2 * aot-compiler.c: mono Ahead of Time compiler
5 * Dietmar Maurer (dietmar@ximian.com)
6 * Zoltan Varga (vargaz@gmail.com)
7 * Johan Lorensson (lateralusx.github@gmail.com)
9 * (C) 2002 Ximian, Inc.
10 * Copyright 2003-2011 Novell, Inc
11 * Copyright 2011 Xamarin Inc (http://www.xamarin.com)
12 * Licensed under the MIT license. See LICENSE file in the project root for full license information.
16 #include <sys/types.h>
36 #include <mono/metadata/abi-details.h>
37 #include <mono/metadata/tabledefs.h>
38 #include <mono/metadata/class.h>
39 #include <mono/metadata/object.h>
40 #include <mono/metadata/tokentype.h>
41 #include <mono/metadata/appdomain.h>
42 #include <mono/metadata/debug-helpers.h>
43 #include <mono/metadata/assembly.h>
44 #include <mono/metadata/metadata-internals.h>
45 #include <mono/metadata/reflection-internals.h>
46 #include <mono/metadata/marshal.h>
47 #include <mono/metadata/gc-internals.h>
48 #include <mono/metadata/mempool-internals.h>
49 #include <mono/metadata/mono-endian.h>
50 #include <mono/metadata/threads-types.h>
51 #include <mono/utils/mono-logger-internals.h>
52 #include <mono/utils/mono-compiler.h>
53 #include <mono/utils/mono-time.h>
54 #include <mono/utils/mono-mmap.h>
55 #include <mono/utils/mono-rand.h>
56 #include <mono/utils/json.h>
57 #include <mono/utils/mono-threads-coop.h>
58 #include <mono/io-layer/io-layer.h>
60 #include "aot-compiler.h"
61 #include "seq-points.h"
62 #include "image-writer.h"
63 #include "dwarfwriter.h"
65 #include "mini-llvm.h"
67 #if !defined(DISABLE_AOT) && !defined(DISABLE_JIT)
69 // Use MSVC toolchain, Clang for MSVC using MSVC codegen and linker, when compiling for AMD64
70 // targeting WIN32 platforms running AOT compiler on WIN32 platform with VS installation.
71 #if defined(TARGET_AMD64) && defined(TARGET_WIN32) && defined(HOST_WIN32) && defined(_MSC_VER)
72 #define TARGET_X86_64_WIN32_MSVC
75 #if defined(TARGET_X86_64_WIN32_MSVC)
76 #define TARGET_WIN32_MSVC
79 #if defined(__linux__) || defined(__native_client_codegen__)
80 #define RODATA_SECT ".rodata"
81 #elif defined(TARGET_MACH)
82 #define RODATA_SECT ".section __TEXT, __const"
83 #elif defined(TARGET_WIN32_MSVC)
84 #define RODATA_SECT ".rdata"
86 #define RODATA_SECT ".text"
89 #define TV_DECLARE(name) gint64 name
90 #define TV_GETTIME(tv) tv = mono_100ns_ticks ()
91 #define TV_ELAPSED(start,end) (((end) - (start)) / 10)
93 #define ALIGN_TO(val,align) ((((guint64)val) + ((align) - 1)) & ~((align) - 1))
94 #define ALIGN_PTR_TO(ptr,align) (gpointer)((((gssize)(ptr)) + (align - 1)) & (~(align - 1)))
95 #define ROUND_DOWN(VALUE,SIZE) ((VALUE) & ~((SIZE) - 1))
97 /* predefined values for static readonly fields without needed to run the .cctor */
98 typedef struct _ReadOnlyValue ReadOnlyValue;
99 struct _ReadOnlyValue {
102 int type; /* to be used later for typechecking to prevent user errors */
111 static ReadOnlyValue *readonly_values;
113 typedef struct MonoAotOptions {
118 gboolean write_symbols;
119 gboolean metadata_only;
120 gboolean bind_to_runtime_version;
123 gboolean static_link;
127 gboolean dwarf_debug;
129 gboolean log_generics;
130 gboolean log_instances;
131 gboolean gen_msym_dir;
132 char *gen_msym_dir_path;
133 gboolean direct_pinvoke;
134 gboolean direct_icalls;
135 gboolean no_direct_calls;
136 gboolean use_trampolines_page;
137 gboolean no_instances;
143 int nrgctx_trampolines;
144 int nimt_trampolines;
145 int ngsharedvt_arg_trampolines;
146 int nrgctx_fetch_trampolines;
147 gboolean print_skipped_methods;
154 char *instances_logfile_path;
161 METHOD_CAT_GSHAREDVT,
167 typedef struct MonoAotStats {
168 int ccount, mcount, lmfcount, abscount, gcount, ocount, genericcount;
169 gint64 code_size, info_size, ex_info_size, unwind_info_size, got_size, class_info_size, got_info_size, plt_size;
170 int methods_without_got_slots, direct_calls, all_calls, llvm_count;
171 int got_slots, offsets_size;
172 int method_categories [METHOD_CAT_NUM];
173 int got_slot_types [MONO_PATCH_INFO_NUM];
174 int got_slot_info_sizes [MONO_PATCH_INFO_NUM];
175 int jit_time, gen_time, link_time;
178 typedef struct GotInfo {
179 GHashTable *patch_to_got_offset;
180 GHashTable **patch_to_got_offset_by_type;
181 GPtrArray *got_patches;
184 typedef struct MonoAotCompile {
187 GHashTable *method_indexes;
188 GHashTable *method_depth;
191 GHashTable **patch_to_plt_entry;
192 GHashTable *plt_offset_to_entry;
193 //GHashTable *patch_to_got_offset;
194 //GHashTable **patch_to_got_offset_by_type;
195 //GPtrArray *got_patches;
196 GotInfo got_info, llvm_got_info;
197 GHashTable *image_hash;
198 GHashTable *method_to_cfg;
199 GHashTable *token_info_hash;
200 GHashTable *method_to_pinvoke_import;
201 GPtrArray *extra_methods;
202 GPtrArray *image_table;
204 GPtrArray *method_order;
205 GHashTable *export_names;
206 /* Maps MonoClass* -> blob offset */
207 GHashTable *klass_blob_hash;
208 /* Maps MonoMethod* -> blob offset */
209 GHashTable *method_blob_hash;
210 GHashTable *gsharedvt_in_signatures;
211 GHashTable *gsharedvt_out_signatures;
212 guint32 *plt_got_info_offsets;
213 guint32 got_offset, llvm_got_offset, plt_offset, plt_got_offset_base, nshared_got_entries;
214 /* Number of GOT entries reserved for trampolines */
215 guint32 num_trampoline_got_entries;
216 guint32 tramp_page_size;
218 guint32 table_offsets [MONO_AOT_TABLE_NUM];
219 guint32 num_trampolines [MONO_AOT_TRAMP_NUM];
220 guint32 trampoline_got_offset_base [MONO_AOT_TRAMP_NUM];
221 guint32 trampoline_size [MONO_AOT_TRAMP_NUM];
222 guint32 tramp_page_code_offsets [MONO_AOT_TRAMP_NUM];
224 MonoAotOptions aot_opts;
228 MonoMemPool *mempool;
231 char *static_linking_symbol;
233 gboolean gas_line_numbers;
234 /* Whenever to emit an object file directly from llc */
235 gboolean llvm_owriter;
236 gboolean llvm_owriter_supported;
238 MonoDwarfWriter *dwarf;
245 GHashTable *unwind_info_offsets;
246 GPtrArray *unwind_ops;
247 guint32 unwind_info_offset;
250 char *llvm_got_symbol;
252 char *llvm_eh_frame_symbol;
253 GHashTable *method_label_hash;
254 const char *temp_prefix;
255 const char *user_symbol_prefix;
256 const char *llvm_label_prefix;
257 const char *inst_directive;
259 guint32 label_generator;
261 gboolean has_jitted_code;
262 MonoAotFileFlags flags;
263 MonoDynamicStream blob;
264 gboolean blob_closed;
265 GHashTable *typespec_classes;
268 char *assembly_name_sym;
269 GHashTable *plt_entry_debug_sym_cache;
270 gboolean thumb_mixed, need_no_dead_strip, need_pt_gnu_stack;
271 GHashTable *ginst_hash;
272 GHashTable *dwarf_ln_filenames;
273 gboolean global_symbols;
274 int objc_selector_index, objc_selector_index_2;
275 GPtrArray *objc_selectors;
276 GHashTable *objc_selector_to_index;
278 FILE *instances_logfile;
286 char *symbol, *llvm_symbol, *debug_sym;
288 gboolean jit_used, llvm_used;
291 #define mono_acfg_lock(acfg) mono_os_mutex_lock (&((acfg)->mutex))
292 #define mono_acfg_unlock(acfg) mono_os_mutex_unlock (&((acfg)->mutex))
294 /* This points to the current acfg in LLVM mode */
295 static MonoAotCompile *llvm_acfg;
297 #ifdef HAVE_ARRAY_ELEM_INIT
298 #define MSGSTRFIELD(line) MSGSTRFIELD1(line)
299 #define MSGSTRFIELD1(line) str##line
300 static const struct msgstr_t {
301 #define PATCH_INFO(a,b) char MSGSTRFIELD(__LINE__) [sizeof (b)];
302 #include "patch-info.h"
305 #define PATCH_INFO(a,b) b,
306 #include "patch-info.h"
309 static const gint16 opidx [] = {
310 #define PATCH_INFO(a,b) [MONO_PATCH_INFO_ ## a] = offsetof (struct msgstr_t, MSGSTRFIELD(__LINE__)),
311 #include "patch-info.h"
315 static G_GNUC_UNUSED const char*
316 get_patch_name (int info)
318 return (const char*)&opstr + opidx [info];
322 #define PATCH_INFO(a,b) b,
323 static const char* const
324 patch_types [MONO_PATCH_INFO_NUM + 1] = {
325 #include "patch-info.h"
329 static G_GNUC_UNUSED const char*
330 get_patch_name (int info)
332 return patch_types [info];
338 get_unwind_info_offset (MonoAotCompile *acfg, guint8 *encoded, guint32 encoded_len);
341 get_plt_entry_debug_sym (MonoAotCompile *acfg, MonoJumpInfo *ji, GHashTable *cache);
344 add_gsharedvt_wrappers (MonoAotCompile *acfg, MonoMethodSignature *sig, gboolean gsharedvt_in, gboolean gsharedvt_out);
347 aot_printf (MonoAotCompile *acfg, const gchar *format, ...)
353 output = acfg->logfile;
357 va_start (args, format);
358 vfprintf (output, format, args);
363 aot_printerrf (MonoAotCompile *acfg, const gchar *format, ...)
369 output = acfg->logfile;
373 va_start (args, format);
374 vfprintf (output, format, args);
379 report_loader_error (MonoAotCompile *acfg, MonoError *error, const char *format, ...)
384 if (mono_error_ok (error))
388 output = acfg->logfile;
392 va_start (args, format);
393 vfprintf (output, format, args);
395 mono_error_cleanup (error);
397 g_error ("FullAOT cannot continue if there are loader errors");
400 /* Wrappers around the image writer functions */
402 #define MAX_SYMBOL_SIZE 256
404 static inline const char *
405 mangle_symbol (const char * symbol, char * mangled_symbol, gsize length)
407 gsize needed_size = length;
409 g_assert (NULL != symbol);
410 g_assert (NULL != mangled_symbol);
411 g_assert (0 != length);
413 #if defined(TARGET_WIN32) && defined(TARGET_X86)
414 if (symbol && '_' != symbol [0]) {
415 needed_size = g_snprintf (mangled_symbol, length, "_%s", symbol);
417 needed_size = g_snprintf (mangled_symbol, length, "%s", symbol);
420 needed_size = g_snprintf (mangled_symbol, length, "%s", symbol);
423 g_assert (0 <= needed_size && needed_size < length);
424 return mangled_symbol;
428 mangle_symbol_alloc (const char * symbol)
430 g_assert (NULL != symbol);
432 #if defined(TARGET_WIN32) && defined(TARGET_X86)
433 if (symbol && '_' != symbol [0]) {
434 return g_strdup_printf ("_%s", symbol);
437 return g_strdup_printf ("%s", symbol);
440 return g_strdup_printf ("%s", symbol);
445 emit_section_change (MonoAotCompile *acfg, const char *section_name, int subsection_index)
447 mono_img_writer_emit_section_change (acfg->w, section_name, subsection_index);
450 #if defined(TARGET_WIN32) && defined(TARGET_X86)
453 emit_local_symbol (MonoAotCompile *acfg, const char *name, const char *end_label, gboolean func)
455 const char * mangled_symbol_name = name;
456 char * mangled_symbol_name_alloc = NULL;
459 mangled_symbol_name_alloc = mangle_symbol_alloc (name);
460 mangled_symbol_name = mangled_symbol_name_alloc;
463 if (name != mangled_symbol_name && 0 != g_strcasecmp (name, mangled_symbol_name)) {
464 mono_img_writer_emit_label (acfg->w, mangled_symbol_name);
466 mono_img_writer_emit_local_symbol (acfg->w, mangled_symbol_name, end_label, func);
468 if (NULL != mangled_symbol_name_alloc) {
469 g_free (mangled_symbol_name_alloc);
476 emit_local_symbol (MonoAotCompile *acfg, const char *name, const char *end_label, gboolean func)
478 mono_img_writer_emit_local_symbol (acfg->w, name, end_label, func);
484 emit_label (MonoAotCompile *acfg, const char *name)
486 mono_img_writer_emit_label (acfg->w, name);
490 emit_bytes (MonoAotCompile *acfg, const guint8* buf, int size)
492 mono_img_writer_emit_bytes (acfg->w, buf, size);
496 emit_string (MonoAotCompile *acfg, const char *value)
498 mono_img_writer_emit_string (acfg->w, value);
502 emit_line (MonoAotCompile *acfg)
504 mono_img_writer_emit_line (acfg->w);
508 emit_alignment (MonoAotCompile *acfg, int size)
510 mono_img_writer_emit_alignment (acfg->w, size);
514 emit_alignment_code (MonoAotCompile *acfg, int size)
516 if (acfg->align_pad_value)
517 mono_img_writer_emit_alignment_fill (acfg->w, size, acfg->align_pad_value);
519 mono_img_writer_emit_alignment (acfg->w, size);
523 emit_padding (MonoAotCompile *acfg, int size)
528 if (acfg->align_pad_value) {
529 for (i = 0; i < 16; ++i)
530 buf [i] = acfg->align_pad_value;
532 memset (buf, 0, sizeof (buf));
535 for (i = 0; i < size; i += 16) {
537 emit_bytes (acfg, buf, size - i);
539 emit_bytes (acfg, buf, 16);
544 emit_pointer (MonoAotCompile *acfg, const char *target)
546 mono_img_writer_emit_pointer (acfg->w, target);
550 emit_pointer_2 (MonoAotCompile *acfg, const char *prefix, const char *target)
552 if (prefix [0] != '\0') {
553 char *s = g_strdup_printf ("%s%s", prefix, target);
554 mono_img_writer_emit_pointer (acfg->w, s);
557 mono_img_writer_emit_pointer (acfg->w, target);
562 emit_int16 (MonoAotCompile *acfg, int value)
564 mono_img_writer_emit_int16 (acfg->w, value);
568 emit_int32 (MonoAotCompile *acfg, int value)
570 mono_img_writer_emit_int32 (acfg->w, value);
574 emit_symbol_diff (MonoAotCompile *acfg, const char *end, const char* start, int offset)
576 mono_img_writer_emit_symbol_diff (acfg->w, end, start, offset);
580 emit_zero_bytes (MonoAotCompile *acfg, int num)
582 mono_img_writer_emit_zero_bytes (acfg->w, num);
586 emit_byte (MonoAotCompile *acfg, guint8 val)
588 mono_img_writer_emit_byte (acfg->w, val);
591 #if defined(TARGET_WIN32) && defined(TARGET_X86)
593 static G_GNUC_UNUSED void
594 emit_global_inner (MonoAotCompile *acfg, const char *name, gboolean func)
596 const char * mangled_symbol_name = name;
597 char * mangled_symbol_name_alloc = NULL;
599 mangled_symbol_name_alloc = mangle_symbol_alloc (name);
600 mangled_symbol_name = mangled_symbol_name_alloc;
602 if (0 != g_strcasecmp (name, mangled_symbol_name)) {
603 mono_img_writer_emit_label (acfg->w, mangled_symbol_name);
605 mono_img_writer_emit_global (acfg->w, mangled_symbol_name, func);
607 if (NULL != mangled_symbol_name_alloc) {
608 g_free (mangled_symbol_name_alloc);
614 static G_GNUC_UNUSED void
615 emit_global_inner (MonoAotCompile *acfg, const char *name, gboolean func)
617 mono_img_writer_emit_global (acfg->w, name, func);
622 static inline gboolean
623 link_shared_library (MonoAotCompile *acfg)
625 return !acfg->aot_opts.static_link && !acfg->aot_opts.asm_only;
628 static inline gboolean
629 add_to_global_symbol_table (MonoAotCompile *acfg)
631 #ifdef TARGET_WIN32_MSVC
632 return acfg->aot_opts.no_dlsym || link_shared_library (acfg);
634 return acfg->aot_opts.no_dlsym;
639 emit_global (MonoAotCompile *acfg, const char *name, gboolean func)
641 if (add_to_global_symbol_table (acfg))
642 g_ptr_array_add (acfg->globals, g_strdup (name));
644 if (acfg->aot_opts.no_dlsym) {
645 mono_img_writer_emit_local_symbol (acfg->w, name, NULL, func);
647 emit_global_inner (acfg, name, func);
652 emit_symbol_size (MonoAotCompile *acfg, const char *name, const char *end_label)
654 mono_img_writer_emit_symbol_size (acfg->w, name, end_label);
657 /* Emit a symbol which is referenced by the MonoAotFileInfo structure */
659 emit_info_symbol (MonoAotCompile *acfg, const char *name)
661 char symbol [MAX_SYMBOL_SIZE];
664 emit_label (acfg, name);
665 /* LLVM generated code references this */
666 sprintf (symbol, "%s%s%s", acfg->user_symbol_prefix, acfg->global_prefix, name);
667 emit_label (acfg, symbol);
668 emit_global_inner (acfg, symbol, FALSE);
670 emit_label (acfg, name);
675 emit_string_symbol (MonoAotCompile *acfg, const char *name, const char *value)
678 mono_llvm_emit_aot_data (name, (guint8*)value, strlen (value) + 1);
682 mono_img_writer_emit_section_change (acfg->w, RODATA_SECT, 1);
684 /* On apple, all symbols need to be aligned to avoid warnings from ld */
685 emit_alignment (acfg, 4);
687 mono_img_writer_emit_label (acfg->w, name);
688 mono_img_writer_emit_string (acfg->w, value);
691 static G_GNUC_UNUSED void
692 emit_uleb128 (MonoAotCompile *acfg, guint32 value)
695 guint8 b = value & 0x7f;
697 if (value != 0) /* more bytes to come */
703 static G_GNUC_UNUSED void
704 emit_sleb128 (MonoAotCompile *acfg, gint64 value)
707 gboolean negative = (value < 0);
714 /* the following is unnecessary if the
715 * implementation of >>= uses an arithmetic rather
716 * than logical shift for a signed left operand
720 value |= - ((gint64)1 <<(size - 7));
721 /* sign bit of byte is second high order bit (0x40) */
722 if ((value == 0 && !(byte & 0x40)) ||
723 (value == -1 && (byte & 0x40)))
727 emit_byte (acfg, byte);
731 static G_GNUC_UNUSED void
732 encode_uleb128 (guint32 value, guint8 *buf, guint8 **endbuf)
737 guint8 b = value & 0x7f;
739 if (value != 0) /* more bytes to come */
747 static G_GNUC_UNUSED void
748 encode_sleb128 (gint32 value, guint8 *buf, guint8 **endbuf)
751 gboolean negative = (value < 0);
759 /* the following is unnecessary if the
760 * implementation of >>= uses an arithmetic rather
761 * than logical shift for a signed left operand
765 value |= - (1 <<(size - 7));
766 /* sign bit of byte is second high order bit (0x40) */
767 if ((value == 0 && !(byte & 0x40)) ||
768 (value == -1 && (byte & 0x40)))
779 encode_int (gint32 val, guint8 *buf, guint8 **endbuf)
782 buf [0] = (val >> 0) & 0xff;
783 buf [1] = (val >> 8) & 0xff;
784 buf [2] = (val >> 16) & 0xff;
785 buf [3] = (val >> 24) & 0xff;
791 encode_int16 (guint16 val, guint8 *buf, guint8 **endbuf)
793 buf [0] = (val >> 0) & 0xff;
794 buf [1] = (val >> 8) & 0xff;
800 encode_string (const char *s, guint8 *buf, guint8 **endbuf)
802 int len = strlen (s);
804 memcpy (buf, s, len + 1);
805 *endbuf = buf + len + 1;
809 emit_unset_mode (MonoAotCompile *acfg)
811 mono_img_writer_emit_unset_mode (acfg->w);
814 static G_GNUC_UNUSED void
815 emit_set_thumb_mode (MonoAotCompile *acfg)
817 emit_unset_mode (acfg);
818 fprintf (acfg->fp, ".code 16\n");
821 static G_GNUC_UNUSED void
822 emit_set_arm_mode (MonoAotCompile *acfg)
824 emit_unset_mode (acfg);
825 fprintf (acfg->fp, ".code 32\n");
829 emit_code_bytes (MonoAotCompile *acfg, const guint8* buf, int size)
834 g_assert (size % 4 == 0);
835 emit_unset_mode (acfg);
836 for (i = 0; i < size; i += 4)
837 fprintf (acfg->fp, "%s 0x%x\n", acfg->inst_directive, *(guint32*)(buf + i));
839 emit_bytes (acfg, buf, size);
843 /* ARCHITECTURE SPECIFIC CODE */
845 #if defined(TARGET_X86) || defined(TARGET_AMD64) || defined(TARGET_ARM) || defined(TARGET_POWERPC) || defined(TARGET_ARM64)
846 #define EMIT_DWARF_INFO 1
849 #ifdef TARGET_WIN32_MSVC
850 #undef EMIT_DWARF_INFO
853 #if defined(TARGET_ARM)
854 #define AOT_FUNC_ALIGNMENT 4
856 #define AOT_FUNC_ALIGNMENT 16
859 #if defined(TARGET_POWERPC64) && !defined(__mono_ilp32__)
860 #define PPC_LD_OP "ld"
861 #define PPC_LDX_OP "ldx"
863 #define PPC_LD_OP "lwz"
864 #define PPC_LDX_OP "lwzx"
867 #ifdef TARGET_X86_64_WIN32_MSVC
868 #define AOT_TARGET_STR "AMD64 (WIN32) (MSVC codegen)"
870 #define AOT_TARGET_STR "AMD64"
875 #define AOT_TARGET_STR "ARM (MACH)"
877 #define AOT_TARGET_STR "ARM (!MACH)"
883 #define AOT_TARGET_STR "ARM64 (MACH)"
885 #define AOT_TARGET_STR "ARM64 (!MACH)"
889 #ifdef TARGET_POWERPC64
890 #ifdef __mono_ilp32__
891 #define AOT_TARGET_STR "POWERPC64 (mono ilp32)"
893 #define AOT_TARGET_STR "POWERPC64 (!mono ilp32)"
896 #ifdef TARGET_POWERPC
897 #ifdef __mono_ilp32__
898 #define AOT_TARGET_STR "POWERPC (mono ilp32)"
900 #define AOT_TARGET_STR "POWERPC (!mono ilp32)"
907 #define AOT_TARGET_STR "X86 (WIN32)"
908 #elif defined(__native_client_codegen__)
909 #define AOT_TARGET_STR "X86 (native client codegen)"
911 #define AOT_TARGET_STR "X86 (!native client codegen)"
915 #ifndef AOT_TARGET_STR
916 #define AOT_TARGET_STR ""
920 arch_init (MonoAotCompile *acfg)
922 acfg->llc_args = g_string_new ("");
923 acfg->as_args = g_string_new ("");
924 acfg->llvm_owriter_supported = TRUE;
927 * The prefix LLVM likes to put in front of symbol names on darwin.
928 * The mach-os specs require this for globals, but LLVM puts them in front of all
929 * symbols. We need to handle this, since we need to refer to LLVM generated
932 acfg->llvm_label_prefix = "";
933 acfg->user_symbol_prefix = "";
935 #if defined(TARGET_X86)
936 g_string_append (acfg->llc_args, " -march=x86 -mattr=sse4.1");
939 #if defined(TARGET_AMD64)
940 g_string_append (acfg->llc_args, " -march=x86-64 -mattr=sse4.1");
942 acfg->align_pad_value = 0x90;
946 if (acfg->aot_opts.mtriple && strstr (acfg->aot_opts.mtriple, "darwin")) {
947 g_string_append (acfg->llc_args, "-mattr=+v6");
949 #if defined(ARM_FPU_VFP_HARD)
950 g_string_append (acfg->llc_args, " -mattr=+vfp2,-neon,+d16 -float-abi=hard");
951 g_string_append (acfg->as_args, " -mfpu=vfp3");
952 #elif defined(ARM_FPU_VFP)
953 g_string_append (acfg->llc_args, " -mattr=+vfp2,-neon,+d16");
954 g_string_append (acfg->as_args, " -mfpu=vfp3");
956 g_string_append (acfg->llc_args, " -soft-float");
959 if (acfg->aot_opts.mtriple && strstr (acfg->aot_opts.mtriple, "thumb"))
960 acfg->thumb_mixed = TRUE;
962 if (acfg->aot_opts.mtriple)
963 mono_arch_set_target (acfg->aot_opts.mtriple);
967 acfg->inst_directive = ".inst";
968 if (acfg->aot_opts.mtriple)
969 mono_arch_set_target (acfg->aot_opts.mtriple);
973 acfg->user_symbol_prefix = "_";
974 acfg->llvm_label_prefix = "_";
975 acfg->inst_directive = ".word";
976 acfg->need_no_dead_strip = TRUE;
977 acfg->aot_opts.gnu_asm = TRUE;
980 #if defined(__linux__) && !defined(TARGET_ARM)
981 acfg->need_pt_gnu_stack = TRUE;
985 acfg->global_symbols = TRUE;
988 #ifdef TARGET_ANDROID
989 acfg->llvm_owriter_supported = FALSE;
996 /* Load the contents of GOT_SLOT into dreg, clobbering ip0 */
998 arm64_emit_load_got_slot (MonoAotCompile *acfg, int dreg, int got_slot)
1002 g_assert (acfg->fp);
1003 emit_unset_mode (acfg);
1005 offset = (int)(got_slot * sizeof (gpointer));
1007 /* clang's integrated assembler */
1008 fprintf (acfg->fp, "adrp x16, %s@PAGE+%d\n", acfg->got_symbol, offset & 0xfffff000);
1009 fprintf (acfg->fp, "add x16, x16, %s@PAGEOFF\n", acfg->got_symbol);
1010 fprintf (acfg->fp, "ldr x%d, [x16, #%d]\n", dreg, offset & 0xfff);
1013 fprintf (acfg->fp, "adrp x16, %s+%d\n", acfg->got_symbol, offset & 0xfffff000);
1014 fprintf (acfg->fp, "add x16, x16, :lo12:%s\n", acfg->got_symbol);
1015 fprintf (acfg->fp, "ldr x%d, [x16, %d]\n", dreg, offset & 0xfff);
1020 arm64_emit_objc_selector_ref (MonoAotCompile *acfg, guint8 *code, int index, int *code_size)
1024 g_assert (acfg->fp);
1025 emit_unset_mode (acfg);
1027 /* ldr rt, target */
1028 reg = arm_get_ldr_lit_reg (code);
1030 fprintf (acfg->fp, "adrp x%d, L_OBJC_SELECTOR_REFERENCES_%d@PAGE\n", reg, index);
1031 fprintf (acfg->fp, "add x%d, x%d, L_OBJC_SELECTOR_REFERENCES_%d@PAGEOFF\n", reg, reg, index);
1032 fprintf (acfg->fp, "ldr x%d, [x%d]\n", reg, reg);
1038 arm64_emit_direct_call (MonoAotCompile *acfg, const char *target, gboolean external, gboolean thumb, MonoJumpInfo *ji, int *call_size)
1040 g_assert (acfg->fp);
1041 emit_unset_mode (acfg);
1042 if (ji && ji->relocation == MONO_R_ARM64_B) {
1043 fprintf (acfg->fp, "b %s\n", target);
1046 g_assert (ji->relocation == MONO_R_ARM64_BL);
1047 fprintf (acfg->fp, "bl %s\n", target);
1053 arm64_emit_got_access (MonoAotCompile *acfg, guint8 *code, int got_slot, int *code_size)
1057 /* ldr rt, target */
1058 reg = arm_get_ldr_lit_reg (code);
1059 arm64_emit_load_got_slot (acfg, reg, got_slot);
1064 arm64_emit_plt_entry (MonoAotCompile *acfg, const char *got_symbol, int offset, int info_offset)
1066 arm64_emit_load_got_slot (acfg, ARMREG_R16, offset / sizeof (gpointer));
1067 fprintf (acfg->fp, "br x16\n");
1068 /* Used by mono_aot_get_plt_info_offset () */
1069 fprintf (acfg->fp, "%s %d\n", acfg->inst_directive, info_offset);
1073 arm64_emit_tramp_page_common_code (MonoAotCompile *acfg, int pagesize, int arg_reg, int *size)
1079 /* The common code */
1082 /* The trampoline address is in IP0 */
1083 arm_movzx (code, ARMREG_IP1, imm & 0xffff, 0);
1084 arm_movkx (code, ARMREG_IP1, (imm >> 16) & 0xffff, 16);
1085 /* Compute the data slot address */
1086 arm_subx (code, ARMREG_IP0, ARMREG_IP0, ARMREG_IP1);
1087 /* Trampoline argument */
1088 arm_ldrx (code, arg_reg, ARMREG_IP0, 0);
1090 arm_ldrx (code, ARMREG_IP0, ARMREG_IP0, 8);
1091 arm_brx (code, ARMREG_IP0);
1094 emit_code_bytes (acfg, buf, code - buf);
1100 arm64_emit_tramp_page_specific_code (MonoAotCompile *acfg, int pagesize, int common_tramp_size, int specific_tramp_size)
1106 count = (pagesize - common_tramp_size) / specific_tramp_size;
1107 for (i = 0; i < count; ++i) {
1109 arm_adrx (code, ARMREG_IP0, code);
1110 /* Branch to the generic code */
1111 arm_b (code, code - 4 - (i * specific_tramp_size) - common_tramp_size);
1112 /* This has to be 2 pointers long */
1115 g_assert (code - buf == specific_tramp_size);
1116 emit_code_bytes (acfg, buf, code - buf);
1121 arm64_emit_specific_trampoline_pages (MonoAotCompile *acfg)
1125 guint8 *labels [16];
1126 int common_tramp_size;
1127 int specific_tramp_size = 2 * 8;
1131 if (!acfg->aot_opts.use_trampolines_page)
1135 /* Have to match the target pagesize */
1138 pagesize = mono_pagesize ();
1140 acfg->tramp_page_size = pagesize;
1142 /* The specific trampolines */
1143 sprintf (symbol, "%sspecific_trampolines_page", acfg->user_symbol_prefix);
1144 emit_alignment (acfg, pagesize);
1145 emit_global (acfg, symbol, TRUE);
1146 emit_label (acfg, symbol);
1148 /* The common code */
1149 arm64_emit_tramp_page_common_code (acfg, pagesize, ARMREG_IP1, &common_tramp_size);
1150 acfg->tramp_page_code_offsets [MONO_AOT_TRAMP_SPECIFIC] = common_tramp_size;
1152 arm64_emit_tramp_page_specific_code (acfg, pagesize, common_tramp_size, specific_tramp_size);
1154 /* The rgctx trampolines */
1155 /* These are the same as the specific trampolines, but they load the argument into MONO_ARCH_RGCTX_REG */
1156 sprintf (symbol, "%srgctx_trampolines_page", acfg->user_symbol_prefix);
1157 emit_alignment (acfg, pagesize);
1158 emit_global (acfg, symbol, TRUE);
1159 emit_label (acfg, symbol);
1161 /* The common code */
1162 arm64_emit_tramp_page_common_code (acfg, pagesize, MONO_ARCH_RGCTX_REG, &common_tramp_size);
1163 acfg->tramp_page_code_offsets [MONO_AOT_TRAMP_STATIC_RGCTX] = common_tramp_size;
1165 arm64_emit_tramp_page_specific_code (acfg, pagesize, common_tramp_size, specific_tramp_size);
1167 /* The gsharedvt arg trampolines */
1168 /* These are the same as the specific trampolines */
1169 sprintf (symbol, "%sgsharedvt_arg_trampolines_page", acfg->user_symbol_prefix);
1170 emit_alignment (acfg, pagesize);
1171 emit_global (acfg, symbol, TRUE);
1172 emit_label (acfg, symbol);
1174 arm64_emit_tramp_page_common_code (acfg, pagesize, ARMREG_IP1, &common_tramp_size);
1175 acfg->tramp_page_code_offsets [MONO_AOT_TRAMP_GSHAREDVT_ARG] = common_tramp_size;
1177 arm64_emit_tramp_page_specific_code (acfg, pagesize, common_tramp_size, specific_tramp_size);
1179 /* The IMT trampolines */
1180 sprintf (symbol, "%simt_trampolines_page", acfg->user_symbol_prefix);
1181 emit_alignment (acfg, pagesize);
1182 emit_global (acfg, symbol, TRUE);
1183 emit_label (acfg, symbol);
1187 /* The trampoline address is in IP0 */
1188 arm_movzx (code, ARMREG_IP1, imm & 0xffff, 0);
1189 arm_movkx (code, ARMREG_IP1, (imm >> 16) & 0xffff, 16);
1190 /* Compute the data slot address */
1191 arm_subx (code, ARMREG_IP0, ARMREG_IP0, ARMREG_IP1);
1192 /* Trampoline argument */
1193 arm_ldrx (code, ARMREG_IP1, ARMREG_IP0, 0);
1195 /* Same as arch_emit_imt_trampoline () */
1197 arm_ldrx (code, ARMREG_IP0, ARMREG_IP1, 0);
1198 arm_cmpx (code, ARMREG_IP0, MONO_ARCH_RGCTX_REG);
1200 arm_bcc (code, ARMCOND_EQ, 0);
1202 /* End-of-loop check */
1204 arm_cbzx (code, ARMREG_IP0, 0);
1207 arm_addx_imm (code, ARMREG_IP1, ARMREG_IP1, 2 * 8);
1208 arm_b (code, labels [0]);
1211 mono_arm_patch (labels [1], code, MONO_R_ARM64_BCC);
1212 /* Load vtable slot addr */
1213 arm_ldrx (code, ARMREG_IP0, ARMREG_IP1, 8);
1214 /* Load vtable slot */
1215 arm_ldrx (code, ARMREG_IP0, ARMREG_IP0, 0);
1216 arm_brx (code, ARMREG_IP0);
1219 mono_arm_patch (labels [2], code, MONO_R_ARM64_CBZ);
1220 /* Load fail addr */
1221 arm_ldrx (code, ARMREG_IP0, ARMREG_IP1, 8);
1222 arm_brx (code, ARMREG_IP0);
1224 emit_code_bytes (acfg, buf, code - buf);
1226 common_tramp_size = code - buf;
1227 acfg->tramp_page_code_offsets [MONO_AOT_TRAMP_IMT] = common_tramp_size;
1229 arm64_emit_tramp_page_specific_code (acfg, pagesize, common_tramp_size, specific_tramp_size);
1233 arm64_emit_specific_trampoline (MonoAotCompile *acfg, int offset, int *tramp_size)
1235 /* Load argument from second GOT slot */
1236 arm64_emit_load_got_slot (acfg, ARMREG_R17, offset + 1);
1237 /* Load generic trampoline address from first GOT slot */
1238 arm64_emit_load_got_slot (acfg, ARMREG_R16, offset);
1239 fprintf (acfg->fp, "br x16\n");
1240 *tramp_size = 7 * 4;
1244 arm64_emit_unbox_trampoline (MonoAotCompile *acfg, MonoCompile *cfg, MonoMethod *method, const char *call_target)
1246 emit_unset_mode (acfg);
1247 fprintf (acfg->fp, "add x0, x0, %d\n", (int)(sizeof (MonoObject)));
1248 fprintf (acfg->fp, "b %s\n", call_target);
1252 arm64_emit_static_rgctx_trampoline (MonoAotCompile *acfg, int offset, int *tramp_size)
1254 /* Similar to the specific trampolines, but use the rgctx reg instead of ip1 */
1256 /* Load argument from first GOT slot */
1257 arm64_emit_load_got_slot (acfg, MONO_ARCH_RGCTX_REG, offset);
1258 /* Load generic trampoline address from second GOT slot */
1259 arm64_emit_load_got_slot (acfg, ARMREG_R16, offset + 1);
1260 fprintf (acfg->fp, "br x16\n");
1261 *tramp_size = 7 * 4;
1265 arm64_emit_imt_trampoline (MonoAotCompile *acfg, int offset, int *tramp_size)
1268 guint8 *code, *labels [16];
1270 /* Load parameter from GOT slot into ip1 */
1271 arm64_emit_load_got_slot (acfg, ARMREG_R17, offset);
1275 arm_ldrx (code, ARMREG_IP0, ARMREG_IP1, 0);
1276 arm_cmpx (code, ARMREG_IP0, MONO_ARCH_RGCTX_REG);
1278 arm_bcc (code, ARMCOND_EQ, 0);
1280 /* End-of-loop check */
1282 arm_cbzx (code, ARMREG_IP0, 0);
1285 arm_addx_imm (code, ARMREG_IP1, ARMREG_IP1, 2 * 8);
1286 arm_b (code, labels [0]);
1289 mono_arm_patch (labels [1], code, MONO_R_ARM64_BCC);
1290 /* Load vtable slot addr */
1291 arm_ldrx (code, ARMREG_IP0, ARMREG_IP1, 8);
1292 /* Load vtable slot */
1293 arm_ldrx (code, ARMREG_IP0, ARMREG_IP0, 0);
1294 arm_brx (code, ARMREG_IP0);
1297 mono_arm_patch (labels [2], code, MONO_R_ARM64_CBZ);
1298 /* Load fail addr */
1299 arm_ldrx (code, ARMREG_IP0, ARMREG_IP1, 8);
1300 arm_brx (code, ARMREG_IP0);
1302 emit_code_bytes (acfg, buf, code - buf);
1304 *tramp_size = code - buf + (3 * 4);
1308 arm64_emit_gsharedvt_arg_trampoline (MonoAotCompile *acfg, int offset, int *tramp_size)
1310 /* Similar to the specific trampolines, but the address is in the second slot */
1311 /* Load argument from first GOT slot */
1312 arm64_emit_load_got_slot (acfg, ARMREG_R17, offset);
1313 /* Load generic trampoline address from second GOT slot */
1314 arm64_emit_load_got_slot (acfg, ARMREG_R16, offset + 1);
1315 fprintf (acfg->fp, "br x16\n");
1316 *tramp_size = 7 * 4;
1322 #ifdef MONO_ARCH_AOT_SUPPORTED
1324 * arch_emit_direct_call:
1326 * Emit a direct call to the symbol TARGET. CALL_SIZE is set to the size of the
1330 arch_emit_direct_call (MonoAotCompile *acfg, const char *target, gboolean external, gboolean thumb, MonoJumpInfo *ji, int *call_size)
1332 #if defined(TARGET_X86) || defined(TARGET_AMD64)
1333 /* Need to make sure this is exactly 5 bytes long */
1334 emit_unset_mode (acfg);
1335 fprintf (acfg->fp, "call %s\n", target);
1337 #elif defined(TARGET_ARM)
1338 emit_unset_mode (acfg);
1340 fprintf (acfg->fp, "blx %s\n", target);
1342 fprintf (acfg->fp, "bl %s\n", target);
1344 #elif defined(TARGET_ARM64)
1345 arm64_emit_direct_call (acfg, target, external, thumb, ji, call_size);
1346 #elif defined(TARGET_POWERPC)
1347 emit_unset_mode (acfg);
1348 fprintf (acfg->fp, "bl %s\n", target);
1351 g_assert_not_reached ();
1358 * - we use an approach similar to the x86 abi: reserve a register (r30) to hold
1360 * - The full-aot trampolines need access to the GOT of mscorlib, so we store
1361 * in in the 2. slot of every GOT, and require every method to place the GOT
1362 * address in r30, even when it doesn't access the GOT otherwise. This way,
1363 * the trampolines can compute the mscorlib GOT address by loading 4(r30).
1368 * PPC64 uses function descriptors which greatly complicate all code, since
1369 * these are used very inconsistently in the runtime. Some functions like
1370 * mono_compile_method () return ftn descriptors, while others like the
1371 * trampoline creation functions do not.
1372 * We assume that all GOT slots contain function descriptors, and create
1373 * descriptors in aot-runtime.c when needed.
1374 * The ppc64 abi uses r2 to hold the address of the TOC/GOT, which is loaded
1375 * from function descriptors, we could do the same, but it would require
1376 * rewriting all the ppc/aot code to handle function descriptors properly.
1377 * So instead, we use the same approach as on PPC32.
1378 * This is a horrible mess, but fixing it would probably lead to an even bigger
1384 * - similar to the PPC32 design, we reserve EBX to hold the GOT pointer.
1387 #ifdef MONO_ARCH_AOT_SUPPORTED
1389 * arch_emit_got_offset:
1391 * The memory pointed to by CODE should hold native code for computing the GOT
1392 * address (OP_LOAD_GOTADDR). Emit this code while patching it with the offset
1393 * between code and the GOT. CODE_SIZE is set to the number of bytes emitted.
1396 arch_emit_got_offset (MonoAotCompile *acfg, guint8 *code, int *code_size)
1398 #if defined(TARGET_POWERPC64)
1399 emit_unset_mode (acfg);
1401 * The ppc32 code doesn't seem to work on ppc64, the assembler complains about
1402 * unsupported relocations. So we store the got address into the .Lgot_addr
1403 * symbol which is in the text segment, compute its address, and load it.
1405 fprintf (acfg->fp, ".L%d:\n", acfg->label_generator);
1406 fprintf (acfg->fp, "lis 0, (.Lgot_addr + 4 - .L%d)@h\n", acfg->label_generator);
1407 fprintf (acfg->fp, "ori 0, 0, (.Lgot_addr + 4 - .L%d)@l\n", acfg->label_generator);
1408 fprintf (acfg->fp, "add 30, 30, 0\n");
1409 fprintf (acfg->fp, "%s 30, 0(30)\n", PPC_LD_OP);
1410 acfg->label_generator ++;
1412 #elif defined(TARGET_POWERPC)
1413 emit_unset_mode (acfg);
1414 fprintf (acfg->fp, ".L%d:\n", acfg->label_generator);
1415 fprintf (acfg->fp, "lis 0, (%s + 4 - .L%d)@h\n", acfg->got_symbol, acfg->label_generator);
1416 fprintf (acfg->fp, "ori 0, 0, (%s + 4 - .L%d)@l\n", acfg->got_symbol, acfg->label_generator);
1417 acfg->label_generator ++;
1420 guint32 offset = mono_arch_get_patch_offset (code);
1421 emit_bytes (acfg, code, offset);
1422 emit_symbol_diff (acfg, acfg->got_symbol, ".", offset);
1424 *code_size = offset + 4;
1429 * arch_emit_got_access:
1431 * The memory pointed to by CODE should hold native code for loading a GOT
1432 * slot (OP_AOTCONST/OP_GOT_ENTRY). Emit this code while patching it so it accesses the
1433 * GOT slot GOT_SLOT. CODE_SIZE is set to the number of bytes emitted.
1436 arch_emit_got_access (MonoAotCompile *acfg, const char *got_symbol, guint8 *code, int got_slot, int *code_size)
1439 /* mov reg, got+offset(%rip) */
1441 /* The GOT symbol is in the LLVM module, the clang assembler has problems emitting symbol diffs for it */
1445 /* Decode reg, see amd64_mov_reg_membase () */
1446 rex_r = code [0] & AMD64_REX_R;
1447 g_assert (code [0] == 0x49 + rex_r);
1448 g_assert (code [1] == 0x8b);
1449 dreg = ((code [2] >> 3) & 0x7) + (rex_r ? 8 : 0);
1451 emit_unset_mode (acfg);
1452 fprintf (acfg->fp, "mov %s+%d(%%rip), %s\n", got_symbol, (unsigned int) ((got_slot * sizeof (gpointer))), mono_arch_regname (dreg));
1455 emit_bytes (acfg, code, mono_arch_get_patch_offset (code));
1456 emit_symbol_diff (acfg, got_symbol, ".", (unsigned int) ((got_slot * sizeof (gpointer)) - 4));
1457 *code_size = mono_arch_get_patch_offset (code) + 4;
1459 #elif defined(TARGET_X86)
1460 emit_bytes (acfg, code, mono_arch_get_patch_offset (code));
1461 emit_int32 (acfg, (unsigned int) ((got_slot * sizeof (gpointer))));
1462 *code_size = mono_arch_get_patch_offset (code) + 4;
1463 #elif defined(TARGET_ARM)
1464 emit_bytes (acfg, code, mono_arch_get_patch_offset (code));
1465 emit_symbol_diff (acfg, got_symbol, ".", (unsigned int) ((got_slot * sizeof (gpointer))) - 12);
1466 *code_size = mono_arch_get_patch_offset (code) + 4;
1467 #elif defined(TARGET_ARM64)
1468 emit_bytes (acfg, code, mono_arch_get_patch_offset (code));
1469 arm64_emit_got_access (acfg, code, got_slot, code_size);
1470 #elif defined(TARGET_POWERPC)
1474 emit_bytes (acfg, code, mono_arch_get_patch_offset (code));
1476 ppc_load32 (code, ppc_r0, got_slot * sizeof (gpointer));
1477 g_assert (code - buf == 8);
1478 emit_bytes (acfg, buf, code - buf);
1479 *code_size = code - buf;
1482 g_assert_not_reached ();
1488 #ifdef MONO_ARCH_AOT_SUPPORTED
1490 * arch_emit_objc_selector_ref:
1492 * Emit the implementation of OP_OBJC_GET_SELECTOR, which itself implements @selector(foo:) in objective-c.
1495 arch_emit_objc_selector_ref (MonoAotCompile *acfg, guint8 *code, int index, int *code_size)
1497 #if defined(TARGET_ARM)
1498 char symbol1 [MAX_SYMBOL_SIZE];
1499 char symbol2 [MAX_SYMBOL_SIZE];
1500 int lindex = acfg->objc_selector_index_2 ++;
1502 /* Emit ldr.imm/b */
1503 emit_bytes (acfg, code, 8);
1505 sprintf (symbol1, "L_OBJC_SELECTOR_%d", lindex);
1506 sprintf (symbol2, "L_OBJC_SELECTOR_REFERENCES_%d", index);
1508 emit_label (acfg, symbol1);
1509 mono_img_writer_emit_unset_mode (acfg->w);
1510 fprintf (acfg->fp, ".long %s-(%s+12)", symbol2, symbol1);
1513 #elif defined(TARGET_ARM64)
1514 arm64_emit_objc_selector_ref (acfg, code, index, code_size);
1516 g_assert_not_reached ();
1522 * arch_emit_plt_entry:
1524 * Emit code for the PLT entry.
1525 * The plt entry should look like this:
1526 * <indirect jump to GOT_SYMBOL + OFFSET>
1527 * <INFO_OFFSET embedded into the instruction stream>
1530 arch_emit_plt_entry (MonoAotCompile *acfg, const char *got_symbol, int offset, int info_offset)
1532 #if defined(TARGET_X86)
1533 /* jmp *<offset>(%ebx) */
1534 emit_byte (acfg, 0xff);
1535 emit_byte (acfg, 0xa3);
1536 emit_int32 (acfg, offset);
1537 /* Used by mono_aot_get_plt_info_offset */
1538 emit_int32 (acfg, info_offset);
1539 #elif defined(TARGET_AMD64)
1540 emit_unset_mode (acfg);
1541 fprintf (acfg->fp, "jmp *%s+%d(%%rip)\n", got_symbol, offset);
1542 /* Used by mono_aot_get_plt_info_offset */
1543 emit_int32 (acfg, info_offset);
1544 acfg->stats.plt_size += 10;
1545 #elif defined(TARGET_ARM)
1550 ARM_LDR_IMM (code, ARMREG_IP, ARMREG_PC, 0);
1551 ARM_LDR_REG_REG (code, ARMREG_PC, ARMREG_PC, ARMREG_IP);
1552 emit_bytes (acfg, buf, code - buf);
1553 emit_symbol_diff (acfg, got_symbol, ".", offset - 4);
1554 /* Used by mono_aot_get_plt_info_offset */
1555 emit_int32 (acfg, info_offset);
1556 #elif defined(TARGET_ARM64)
1557 arm64_emit_plt_entry (acfg, got_symbol, offset, info_offset);
1558 #elif defined(TARGET_POWERPC)
1559 /* The GOT address is guaranteed to be in r30 by OP_LOAD_GOTADDR */
1560 emit_unset_mode (acfg);
1561 fprintf (acfg->fp, "lis 11, %d@h\n", offset);
1562 fprintf (acfg->fp, "ori 11, 11, %d@l\n", offset);
1563 fprintf (acfg->fp, "add 11, 11, 30\n");
1564 fprintf (acfg->fp, "%s 11, 0(11)\n", PPC_LD_OP);
1565 #ifdef PPC_USES_FUNCTION_DESCRIPTOR
1566 fprintf (acfg->fp, "%s 2, %d(11)\n", PPC_LD_OP, (int)sizeof (gpointer));
1567 fprintf (acfg->fp, "%s 11, 0(11)\n", PPC_LD_OP);
1569 fprintf (acfg->fp, "mtctr 11\n");
1570 fprintf (acfg->fp, "bctr\n");
1571 emit_int32 (acfg, info_offset);
1573 g_assert_not_reached ();
1578 * arch_emit_llvm_plt_entry:
1580 * Same as arch_emit_plt_entry, but handles calls from LLVM generated code.
1581 * This is only needed on arm to handle thumb interop.
1584 arch_emit_llvm_plt_entry (MonoAotCompile *acfg, const char *got_symbol, int offset, int info_offset)
1586 #if defined(TARGET_ARM)
1587 /* LLVM calls the PLT entries using bl, so these have to be thumb2 */
1588 /* The caller already transitioned to thumb */
1589 /* The code below should be 12 bytes long */
1590 /* clang has trouble encoding these instructions, so emit the binary */
1592 fprintf (acfg->fp, "ldr ip, [pc, #8]\n");
1593 /* thumb can't encode ld pc, [pc, ip] */
1594 fprintf (acfg->fp, "add ip, pc, ip\n");
1595 fprintf (acfg->fp, "ldr ip, [ip, #0]\n");
1596 fprintf (acfg->fp, "bx ip\n");
1598 emit_set_thumb_mode (acfg);
1599 fprintf (acfg->fp, ".4byte 0xc008f8df\n");
1600 fprintf (acfg->fp, ".2byte 0x44fc\n");
1601 fprintf (acfg->fp, ".4byte 0xc000f8dc\n");
1602 fprintf (acfg->fp, ".2byte 0x4760\n");
1603 emit_symbol_diff (acfg, got_symbol, ".", offset + 4);
1604 emit_int32 (acfg, info_offset);
1605 emit_unset_mode (acfg);
1606 emit_set_arm_mode (acfg);
1608 g_assert_not_reached ();
1612 /* Save unwind_info in the module and emit the offset to the information at symbol */
1613 static void save_unwind_info (MonoAotCompile *acfg, char *symbol, GSList *unwind_ops)
1615 guint32 uw_offset, encoded_len;
1618 emit_section_change (acfg, RODATA_SECT, 0);
1619 emit_global (acfg, symbol, FALSE);
1620 emit_label (acfg, symbol);
1622 encoded = mono_unwind_ops_encode (unwind_ops, &encoded_len);
1623 uw_offset = get_unwind_info_offset (acfg, encoded, encoded_len);
1625 emit_int32 (acfg, uw_offset);
1629 * arch_emit_specific_trampoline_pages:
1631 * Emits a page full of trampolines: each trampoline uses its own address to
1632 * lookup both the generic trampoline code and the data argument.
1633 * This page can be remapped in process multiple times so we can get an
1634 * unlimited number of trampolines.
1635 * Specifically this implementation uses the following trick: two memory pages
1636 * are allocated, with the first containing the data and the second containing the trampolines.
1637 * To reduce trampoline size, each trampoline jumps at the start of the page where a common
1638 * implementation does all the lifting.
1639 * Note that the ARM single trampoline size is 8 bytes, exactly like the data that needs to be stored
1640 * on the arm 32 bit system.
1643 arch_emit_specific_trampoline_pages (MonoAotCompile *acfg)
1645 #if defined(TARGET_ARM)
1648 guint8 *loop_start, *loop_branch_back, *loop_end_check, *imt_found_check;
1650 int pagesize = MONO_AOT_TRAMP_PAGE_SIZE;
1651 GSList *unwind_ops = NULL;
1652 #define COMMON_TRAMP_SIZE 16
1653 int count = (pagesize - COMMON_TRAMP_SIZE) / 8;
1654 int imm8, rot_amount;
1657 if (!acfg->aot_opts.use_trampolines_page)
1660 acfg->tramp_page_size = pagesize;
1662 sprintf (symbol, "%sspecific_trampolines_page", acfg->user_symbol_prefix);
1663 emit_alignment (acfg, pagesize);
1664 emit_global (acfg, symbol, TRUE);
1665 emit_label (acfg, symbol);
1667 /* emit the generic code first, the trampoline address + 8 is in the lr register */
1669 imm8 = mono_arm_is_rotated_imm8 (pagesize, &rot_amount);
1670 ARM_SUB_REG_IMM (code, ARMREG_LR, ARMREG_LR, imm8, rot_amount);
1671 ARM_LDR_IMM (code, ARMREG_R1, ARMREG_LR, -8);
1672 ARM_LDR_IMM (code, ARMREG_PC, ARMREG_LR, -4);
1674 g_assert (code - buf == COMMON_TRAMP_SIZE);
1677 emit_bytes (acfg, buf, code - buf);
1679 for (i = 0; i < count; ++i) {
1681 ARM_PUSH (code, 0x5fff);
1683 arm_patch (code - 4, code - COMMON_TRAMP_SIZE - 8 * (i + 1));
1684 g_assert (code - buf == 8);
1685 emit_bytes (acfg, buf, code - buf);
1688 /* now the rgctx trampolines: each specific trampolines puts in the ip register
1689 * the instruction pointer address, so the generic trampoline at the start of the page
1690 * subtracts 4096 to get to the data page and loads the values
1691 * We again fit the generic trampiline in 16 bytes.
1693 sprintf (symbol, "%srgctx_trampolines_page", acfg->user_symbol_prefix);
1694 emit_global (acfg, symbol, TRUE);
1695 emit_label (acfg, symbol);
1697 imm8 = mono_arm_is_rotated_imm8 (pagesize, &rot_amount);
1698 ARM_SUB_REG_IMM (code, ARMREG_IP, ARMREG_IP, imm8, rot_amount);
1699 ARM_LDR_IMM (code, MONO_ARCH_RGCTX_REG, ARMREG_IP, -8);
1700 ARM_LDR_IMM (code, ARMREG_PC, ARMREG_IP, -4);
1702 g_assert (code - buf == COMMON_TRAMP_SIZE);
1705 emit_bytes (acfg, buf, code - buf);
1707 for (i = 0; i < count; ++i) {
1709 ARM_MOV_REG_REG (code, ARMREG_IP, ARMREG_PC);
1711 arm_patch (code - 4, code - COMMON_TRAMP_SIZE - 8 * (i + 1));
1712 g_assert (code - buf == 8);
1713 emit_bytes (acfg, buf, code - buf);
1717 * gsharedvt arg trampolines: see arch_emit_gsharedvt_arg_trampoline ()
1719 sprintf (symbol, "%sgsharedvt_arg_trampolines_page", acfg->user_symbol_prefix);
1720 emit_global (acfg, symbol, TRUE);
1721 emit_label (acfg, symbol);
1723 ARM_PUSH (code, (1 << ARMREG_R0) | (1 << ARMREG_R1) | (1 << ARMREG_R2) | (1 << ARMREG_R3));
1724 imm8 = mono_arm_is_rotated_imm8 (pagesize, &rot_amount);
1725 ARM_SUB_REG_IMM (code, ARMREG_IP, ARMREG_IP, imm8, rot_amount);
1726 ARM_LDR_IMM (code, ARMREG_R0, ARMREG_IP, -8);
1727 ARM_LDR_IMM (code, ARMREG_PC, ARMREG_IP, -4);
1728 g_assert (code - buf == COMMON_TRAMP_SIZE);
1730 emit_bytes (acfg, buf, code - buf);
1732 for (i = 0; i < count; ++i) {
1734 ARM_MOV_REG_REG (code, ARMREG_IP, ARMREG_PC);
1736 arm_patch (code - 4, code - COMMON_TRAMP_SIZE - 8 * (i + 1));
1737 g_assert (code - buf == 8);
1738 emit_bytes (acfg, buf, code - buf);
1741 /* now the imt trampolines: each specific trampolines puts in the ip register
1742 * the instruction pointer address, so the generic trampoline at the start of the page
1743 * subtracts 4096 to get to the data page and loads the values
1745 #define IMT_TRAMP_SIZE 72
1746 sprintf (symbol, "%simt_trampolines_page", acfg->user_symbol_prefix);
1747 emit_global (acfg, symbol, TRUE);
1748 emit_label (acfg, symbol);
1750 /* Need at least two free registers, plus a slot for storing the pc */
1751 ARM_PUSH (code, (1 << ARMREG_R0)|(1 << ARMREG_R1)|(1 << ARMREG_R2));
1753 imm8 = mono_arm_is_rotated_imm8 (pagesize, &rot_amount);
1754 ARM_SUB_REG_IMM (code, ARMREG_IP, ARMREG_IP, imm8, rot_amount);
1755 ARM_LDR_IMM (code, ARMREG_R0, ARMREG_IP, -8);
1757 /* The IMT method is in v5, r0 has the imt array address */
1760 ARM_LDR_IMM (code, ARMREG_R1, ARMREG_R0, 0);
1761 ARM_CMP_REG_REG (code, ARMREG_R1, ARMREG_V5);
1762 imt_found_check = code;
1763 ARM_B_COND (code, ARMCOND_EQ, 0);
1765 /* End-of-loop check */
1766 ARM_CMP_REG_IMM (code, ARMREG_R1, 0, 0);
1767 loop_end_check = code;
1768 ARM_B_COND (code, ARMCOND_EQ, 0);
1771 ARM_ADD_REG_IMM8 (code, ARMREG_R0, ARMREG_R0, sizeof (gpointer) * 2);
1772 loop_branch_back = code;
1774 arm_patch (loop_branch_back, loop_start);
1777 arm_patch (imt_found_check, code);
1778 ARM_LDR_IMM (code, ARMREG_R0, ARMREG_R0, 4);
1779 ARM_LDR_IMM (code, ARMREG_R0, ARMREG_R0, 0);
1780 /* Save it to the third stack slot */
1781 ARM_STR_IMM (code, ARMREG_R0, ARMREG_SP, 8);
1782 /* Restore the registers and branch */
1783 ARM_POP (code, (1 << ARMREG_R0)|(1 << ARMREG_R1)|(1 << ARMREG_PC));
1786 arm_patch (loop_end_check, code);
1787 ARM_LDR_IMM (code, ARMREG_R0, ARMREG_R0, 4);
1788 ARM_STR_IMM (code, ARMREG_R0, ARMREG_SP, 8);
1789 ARM_POP (code, (1 << ARMREG_R0)|(1 << ARMREG_R1)|(1 << ARMREG_PC));
1793 g_assert (code - buf == IMT_TRAMP_SIZE);
1794 emit_bytes (acfg, buf, code - buf);
1796 for (i = 0; i < count; ++i) {
1798 ARM_MOV_REG_REG (code, ARMREG_IP, ARMREG_PC);
1800 arm_patch (code - 4, code - IMT_TRAMP_SIZE - 8 * (i + 1));
1801 g_assert (code - buf == 8);
1802 emit_bytes (acfg, buf, code - buf);
1805 acfg->tramp_page_code_offsets [MONO_AOT_TRAMP_SPECIFIC] = 16;
1806 acfg->tramp_page_code_offsets [MONO_AOT_TRAMP_STATIC_RGCTX] = 16;
1807 acfg->tramp_page_code_offsets [MONO_AOT_TRAMP_IMT] = 72;
1808 acfg->tramp_page_code_offsets [MONO_AOT_TRAMP_GSHAREDVT_ARG] = 16;
1810 /* Unwind info for specifc trampolines */
1811 sprintf (symbol, "%sspecific_trampolines_page_gen_p", acfg->user_symbol_prefix);
1812 /* We unwind to the original caller, from the stack, since lr is clobbered */
1813 mono_add_unwind_op_def_cfa (unwind_ops, 0, 0, ARMREG_SP, 14 * sizeof (mgreg_t));
1814 mono_add_unwind_op_offset (unwind_ops, 0, 0, ARMREG_LR, -4);
1815 save_unwind_info (acfg, symbol, unwind_ops);
1816 mono_free_unwind_info (unwind_ops);
1818 sprintf (symbol, "%sspecific_trampolines_page_sp_p", acfg->user_symbol_prefix);
1819 mono_add_unwind_op_def_cfa (unwind_ops, 0, 0, ARMREG_SP, 0);
1820 mono_add_unwind_op_def_cfa_offset (unwind_ops, 4, 0, 14 * sizeof (mgreg_t));
1821 save_unwind_info (acfg, symbol, unwind_ops);
1822 mono_free_unwind_info (unwind_ops);
1824 /* Unwind info for rgctx trampolines */
1825 sprintf (symbol, "%srgctx_trampolines_page_gen_p", acfg->user_symbol_prefix);
1826 mono_add_unwind_op_def_cfa (unwind_ops, 0, 0, ARMREG_SP, 0);
1827 save_unwind_info (acfg, symbol, unwind_ops);
1829 sprintf (symbol, "%srgctx_trampolines_page_sp_p", acfg->user_symbol_prefix);
1830 save_unwind_info (acfg, symbol, unwind_ops);
1831 mono_free_unwind_info (unwind_ops);
1833 /* Unwind info for gsharedvt trampolines */
1834 sprintf (symbol, "%sgsharedvt_trampolines_page_gen_p", acfg->user_symbol_prefix);
1835 mono_add_unwind_op_def_cfa (unwind_ops, 0, 0, ARMREG_SP, 0);
1836 mono_add_unwind_op_def_cfa_offset (unwind_ops, 4, 0, 4 * sizeof (mgreg_t));
1837 save_unwind_info (acfg, symbol, unwind_ops);
1838 mono_free_unwind_info (unwind_ops);
1840 sprintf (symbol, "%sgsharedvt_trampolines_page_sp_p", acfg->user_symbol_prefix);
1841 mono_add_unwind_op_def_cfa (unwind_ops, 0, 0, ARMREG_SP, 0);
1842 save_unwind_info (acfg, symbol, unwind_ops);
1843 mono_free_unwind_info (unwind_ops);
1845 /* Unwind info for imt trampolines */
1846 sprintf (symbol, "%simt_trampolines_page_gen_p", acfg->user_symbol_prefix);
1847 mono_add_unwind_op_def_cfa (unwind_ops, 0, 0, ARMREG_SP, 0);
1848 mono_add_unwind_op_def_cfa_offset (unwind_ops, 4, 0, 3 * sizeof (mgreg_t));
1849 save_unwind_info (acfg, symbol, unwind_ops);
1850 mono_free_unwind_info (unwind_ops);
1852 sprintf (symbol, "%simt_trampolines_page_sp_p", acfg->user_symbol_prefix);
1853 mono_add_unwind_op_def_cfa (unwind_ops, 0, 0, ARMREG_SP, 0);
1854 save_unwind_info (acfg, symbol, unwind_ops);
1855 mono_free_unwind_info (unwind_ops);
1856 #elif defined(TARGET_ARM64)
1857 arm64_emit_specific_trampoline_pages (acfg);
1862 * arch_emit_specific_trampoline:
1864 * Emit code for a specific trampoline. OFFSET is the offset of the first of
1865 * two GOT slots which contain the generic trampoline address and the trampoline
1866 * argument. TRAMP_SIZE is set to the size of the emitted trampoline.
1869 arch_emit_specific_trampoline (MonoAotCompile *acfg, int offset, int *tramp_size)
1872 * The trampolines created here are variations of the specific
1873 * trampolines created in mono_arch_create_specific_trampoline (). The
1875 * - the generic trampoline address is taken from a got slot.
1876 * - the offset of the got slot where the trampoline argument is stored
1877 * is embedded in the instruction stream, and the generic trampoline
1878 * can load the argument by loading the offset, adding it to the
1879 * address of the trampoline to get the address of the got slot, and
1880 * loading the argument from there.
1881 * - all the trampolines should be of the same length.
1883 #if defined(TARGET_AMD64)
1884 /* This should be exactly 8 bytes long */
1886 /* call *<offset>(%rip) */
1888 emit_unset_mode (acfg);
1889 fprintf (acfg->fp, "call *%s+%d(%%rip)\n", acfg->got_symbol, (int)(offset * sizeof (gpointer)));
1890 emit_zero_bytes (acfg, 2);
1892 emit_byte (acfg, '\x41');
1893 emit_byte (acfg, '\xff');
1894 emit_byte (acfg, '\x15');
1895 emit_symbol_diff (acfg, acfg->got_symbol, ".", (offset * sizeof (gpointer)) - 4);
1896 emit_zero_bytes (acfg, 1);
1898 #elif defined(TARGET_ARM)
1902 /* This should be exactly 20 bytes long */
1905 ARM_PUSH (code, 0x5fff);
1906 ARM_LDR_IMM (code, ARMREG_R1, ARMREG_PC, 4);
1907 /* Load the value from the GOT */
1908 ARM_LDR_REG_REG (code, ARMREG_R1, ARMREG_PC, ARMREG_R1);
1910 ARM_BLX_REG (code, ARMREG_R1);
1912 g_assert (code - buf == 16);
1915 emit_bytes (acfg, buf, code - buf);
1917 * Only one offset is needed, since the second one would be equal to the
1920 emit_symbol_diff (acfg, acfg->got_symbol, ".", (offset * sizeof (gpointer)) - 4 + 4);
1921 //emit_symbol_diff (acfg, acfg->got_symbol, ".", ((offset + 1) * sizeof (gpointer)) - 4 + 8);
1922 #elif defined(TARGET_ARM64)
1923 arm64_emit_specific_trampoline (acfg, offset, tramp_size);
1924 #elif defined(TARGET_POWERPC)
1932 * PPC has no ip relative addressing, so we need to compute the address
1933 * of the mscorlib got. That is slow and complex, so instead, we store it
1934 * in the second got slot of every aot image. The caller already computed
1935 * the address of its got and placed it into r30.
1937 emit_unset_mode (acfg);
1938 /* Load mscorlib got address */
1939 fprintf (acfg->fp, "%s 0, %d(30)\n", PPC_LD_OP, (int)sizeof (gpointer));
1940 /* Load generic trampoline address */
1941 fprintf (acfg->fp, "lis 11, %d@h\n", (int)(offset * sizeof (gpointer)));
1942 fprintf (acfg->fp, "ori 11, 11, %d@l\n", (int)(offset * sizeof (gpointer)));
1943 fprintf (acfg->fp, "%s 11, 11, 0\n", PPC_LDX_OP);
1944 #ifdef PPC_USES_FUNCTION_DESCRIPTOR
1945 fprintf (acfg->fp, "%s 11, 0(11)\n", PPC_LD_OP);
1947 fprintf (acfg->fp, "mtctr 11\n");
1948 /* Load trampoline argument */
1949 /* On ppc, we pass it normally to the generic trampoline */
1950 fprintf (acfg->fp, "lis 11, %d@h\n", (int)((offset + 1) * sizeof (gpointer)));
1951 fprintf (acfg->fp, "ori 11, 11, %d@l\n", (int)((offset + 1) * sizeof (gpointer)));
1952 fprintf (acfg->fp, "%s 0, 11, 0\n", PPC_LDX_OP);
1953 /* Branch to generic trampoline */
1954 fprintf (acfg->fp, "bctr\n");
1956 #ifdef PPC_USES_FUNCTION_DESCRIPTOR
1957 *tramp_size = 10 * 4;
1959 *tramp_size = 9 * 4;
1961 #elif defined(TARGET_X86)
1965 /* Similar to the PPC code above */
1967 /* FIXME: Could this clobber the register needed by get_vcall_slot () ? */
1970 /* Load mscorlib got address */
1971 x86_mov_reg_membase (code, X86_ECX, MONO_ARCH_GOT_REG, sizeof (gpointer), 4);
1972 /* Push trampoline argument */
1973 x86_push_membase (code, X86_ECX, (offset + 1) * sizeof (gpointer));
1974 /* Load generic trampoline address */
1975 x86_mov_reg_membase (code, X86_ECX, X86_ECX, offset * sizeof (gpointer), 4);
1976 /* Branch to generic trampoline */
1977 x86_jump_reg (code, X86_ECX);
1979 emit_bytes (acfg, buf, code - buf);
1982 g_assert (code - buf == *tramp_size);
1984 g_assert_not_reached ();
1989 * arch_emit_unbox_trampoline:
1991 * Emit code for the unbox trampoline for METHOD used in the full-aot case.
1992 * CALL_TARGET is the symbol pointing to the native code of METHOD.
1995 arch_emit_unbox_trampoline (MonoAotCompile *acfg, MonoCompile *cfg, MonoMethod *method, const char *call_target)
1997 #if defined(TARGET_AMD64)
2002 this_reg = mono_arch_get_this_arg_reg (NULL);
2004 amd64_alu_reg_imm (code, X86_ADD, this_reg, sizeof (MonoObject));
2006 emit_bytes (acfg, buf, code - buf);
2009 emit_unset_mode (acfg);
2010 fprintf (acfg->fp, "jmp %s\n", call_target);
2012 emit_byte (acfg, '\xe9');
2013 emit_symbol_diff (acfg, call_target, ".", -4);
2015 #elif defined(TARGET_X86)
2022 x86_alu_membase_imm (code, X86_ADD, X86_ESP, this_pos, sizeof (MonoObject));
2024 emit_bytes (acfg, buf, code - buf);
2027 emit_byte (acfg, '\xe9');
2028 emit_symbol_diff (acfg, call_target, ".", -4);
2029 #elif defined(TARGET_ARM)
2033 if (acfg->thumb_mixed && cfg->compile_llvm) {
2034 fprintf (acfg->fp, "add r0, r0, #%d\n", (int)sizeof (MonoObject));
2035 fprintf (acfg->fp, "b %s\n", call_target);
2036 fprintf (acfg->fp, ".arm\n");
2037 fprintf (acfg->fp, ".align 2\n");
2043 ARM_ADD_REG_IMM8 (code, ARMREG_R0, ARMREG_R0, sizeof (MonoObject));
2045 emit_bytes (acfg, buf, code - buf);
2046 /* jump to method */
2047 if (acfg->thumb_mixed && cfg->compile_llvm)
2048 fprintf (acfg->fp, "\n\tbx %s\n", call_target);
2050 fprintf (acfg->fp, "\n\tb %s\n", call_target);
2051 #elif defined(TARGET_ARM64)
2052 arm64_emit_unbox_trampoline (acfg, cfg, method, call_target);
2053 #elif defined(TARGET_POWERPC)
2056 fprintf (acfg->fp, "\n\taddi %d, %d, %d\n", this_pos, this_pos, (int)sizeof (MonoObject));
2057 fprintf (acfg->fp, "\n\tb %s\n", call_target);
2059 g_assert_not_reached ();
2064 * arch_emit_static_rgctx_trampoline:
2066 * Emit code for a static rgctx trampoline. OFFSET is the offset of the first of
2067 * two GOT slots which contain the rgctx argument, and the method to jump to.
2068 * TRAMP_SIZE is set to the size of the emitted trampoline.
2069 * These kinds of trampolines cannot be enumerated statically, since there could
2070 * be one trampoline per method instantiation, so we emit the same code for all
2071 * trampolines, and parameterize them using two GOT slots.
2074 arch_emit_static_rgctx_trampoline (MonoAotCompile *acfg, int offset, int *tramp_size)
2076 #if defined(TARGET_AMD64)
2077 /* This should be exactly 13 bytes long */
2081 emit_unset_mode (acfg);
2082 fprintf (acfg->fp, "mov %s+%d(%%rip), %%r10\n", acfg->got_symbol, (int)(offset * sizeof (gpointer)));
2083 fprintf (acfg->fp, "jmp *%s+%d(%%rip)\n", acfg->got_symbol, (int)((offset + 1) * sizeof (gpointer)));
2085 /* mov <OFFSET>(%rip), %r10 */
2086 emit_byte (acfg, '\x4d');
2087 emit_byte (acfg, '\x8b');
2088 emit_byte (acfg, '\x15');
2089 emit_symbol_diff (acfg, acfg->got_symbol, ".", (offset * sizeof (gpointer)) - 4);
2091 /* jmp *<offset>(%rip) */
2092 emit_byte (acfg, '\xff');
2093 emit_byte (acfg, '\x25');
2094 emit_symbol_diff (acfg, acfg->got_symbol, ".", ((offset + 1) * sizeof (gpointer)) - 4);
2096 #elif defined(TARGET_ARM)
2100 /* This should be exactly 24 bytes long */
2103 /* Load rgctx value */
2104 ARM_LDR_IMM (code, ARMREG_IP, ARMREG_PC, 8);
2105 ARM_LDR_REG_REG (code, MONO_ARCH_RGCTX_REG, ARMREG_PC, ARMREG_IP);
2106 /* Load branch addr + branch */
2107 ARM_LDR_IMM (code, ARMREG_IP, ARMREG_PC, 4);
2108 ARM_LDR_REG_REG (code, ARMREG_PC, ARMREG_PC, ARMREG_IP);
2110 g_assert (code - buf == 16);
2113 emit_bytes (acfg, buf, code - buf);
2114 emit_symbol_diff (acfg, acfg->got_symbol, ".", (offset * sizeof (gpointer)) - 4 + 8);
2115 emit_symbol_diff (acfg, acfg->got_symbol, ".", ((offset + 1) * sizeof (gpointer)) - 4 + 4);
2116 #elif defined(TARGET_ARM64)
2117 arm64_emit_static_rgctx_trampoline (acfg, offset, tramp_size);
2118 #elif defined(TARGET_POWERPC)
2126 * PPC has no ip relative addressing, so we need to compute the address
2127 * of the mscorlib got. That is slow and complex, so instead, we store it
2128 * in the second got slot of every aot image. The caller already computed
2129 * the address of its got and placed it into r30.
2131 emit_unset_mode (acfg);
2132 /* Load mscorlib got address */
2133 fprintf (acfg->fp, "%s 0, %d(30)\n", PPC_LD_OP, (int)sizeof (gpointer));
2135 fprintf (acfg->fp, "lis 11, %d@h\n", (int)(offset * sizeof (gpointer)));
2136 fprintf (acfg->fp, "ori 11, 11, %d@l\n", (int)(offset * sizeof (gpointer)));
2137 fprintf (acfg->fp, "%s %d, 11, 0\n", PPC_LDX_OP, MONO_ARCH_RGCTX_REG);
2138 /* Load target address */
2139 fprintf (acfg->fp, "lis 11, %d@h\n", (int)((offset + 1) * sizeof (gpointer)));
2140 fprintf (acfg->fp, "ori 11, 11, %d@l\n", (int)((offset + 1) * sizeof (gpointer)));
2141 fprintf (acfg->fp, "%s 11, 11, 0\n", PPC_LDX_OP);
2142 #ifdef PPC_USES_FUNCTION_DESCRIPTOR
2143 fprintf (acfg->fp, "%s 2, %d(11)\n", PPC_LD_OP, (int)sizeof (gpointer));
2144 fprintf (acfg->fp, "%s 11, 0(11)\n", PPC_LD_OP);
2146 fprintf (acfg->fp, "mtctr 11\n");
2147 /* Branch to the target address */
2148 fprintf (acfg->fp, "bctr\n");
2150 #ifdef PPC_USES_FUNCTION_DESCRIPTOR
2151 *tramp_size = 11 * 4;
2153 *tramp_size = 9 * 4;
2156 #elif defined(TARGET_X86)
2160 /* Similar to the PPC code above */
2162 g_assert (MONO_ARCH_RGCTX_REG != X86_ECX);
2165 /* Load mscorlib got address */
2166 x86_mov_reg_membase (code, X86_ECX, MONO_ARCH_GOT_REG, sizeof (gpointer), 4);
2168 x86_mov_reg_membase (code, MONO_ARCH_RGCTX_REG, X86_ECX, offset * sizeof (gpointer), 4);
2169 /* Branch to the target address */
2170 x86_jump_membase (code, X86_ECX, (offset + 1) * sizeof (gpointer));
2172 emit_bytes (acfg, buf, code - buf);
2175 g_assert (code - buf == *tramp_size);
2177 g_assert_not_reached ();
2182 * arch_emit_imt_trampoline:
2184 * Emit an IMT trampoline usable in full-aot mode. The trampoline uses 1 got slot which
2185 * points to an array of pointer pairs. The pairs of the form [key, ptr], where
2186 * key is the IMT key, and ptr holds the address of a memory location holding
2187 * the address to branch to if the IMT arg matches the key. The array is
2188 * terminated by a pair whose key is NULL, and whose ptr is the address of the
2190 * TRAMP_SIZE is set to the size of the emitted trampoline.
2193 arch_emit_imt_trampoline (MonoAotCompile *acfg, int offset, int *tramp_size)
2195 #if defined(TARGET_AMD64)
2197 guint8 *labels [16];
2199 guint8 *mov_buf_ptr = mov_buf;
2201 const int kSizeOfMove = 7;
2203 code = buf = (guint8 *)g_malloc (256);
2205 /* FIXME: Optimize this, i.e. use binary search etc. */
2206 /* Maybe move the body into a separate function (slower, but much smaller) */
2208 /* MONO_ARCH_IMT_SCRATCH_REG is a free register */
2211 emit_unset_mode (acfg);
2212 fprintf (acfg->fp, "mov %s+%d(%%rip), %s\n", acfg->got_symbol, (int)(offset * sizeof (gpointer)), mono_arch_regname (MONO_ARCH_IMT_SCRATCH_REG));
2216 amd64_alu_membase_imm (code, X86_CMP, MONO_ARCH_IMT_SCRATCH_REG, 0, 0);
2218 amd64_branch8 (code, X86_CC_Z, 0, FALSE);
2221 amd64_alu_membase_reg_size (code, X86_CMP, MONO_ARCH_IMT_SCRATCH_REG, 0, MONO_ARCH_IMT_REG, sizeof (gpointer));
2223 amd64_branch8 (code, X86_CC_Z, 0, FALSE);
2226 amd64_alu_reg_imm (code, X86_ADD, MONO_ARCH_IMT_SCRATCH_REG, 2 * sizeof (gpointer));
2227 amd64_jump_code (code, labels [0]);
2230 mono_amd64_patch (labels [2], code);
2231 amd64_mov_reg_membase (code, MONO_ARCH_IMT_SCRATCH_REG, MONO_ARCH_IMT_SCRATCH_REG, sizeof (gpointer), sizeof (gpointer));
2232 amd64_jump_membase (code, MONO_ARCH_IMT_SCRATCH_REG, 0);
2235 mono_amd64_patch (labels [1], code);
2236 /* Load fail tramp */
2237 amd64_alu_reg_imm (code, X86_ADD, MONO_ARCH_IMT_SCRATCH_REG, sizeof (gpointer));
2238 /* Check if there is a fail tramp */
2239 amd64_alu_membase_imm (code, X86_CMP, MONO_ARCH_IMT_SCRATCH_REG, 0, 0);
2241 amd64_branch8 (code, X86_CC_Z, 0, FALSE);
2242 /* Jump to fail tramp */
2243 amd64_jump_membase (code, MONO_ARCH_IMT_SCRATCH_REG, 0);
2246 mono_amd64_patch (labels [3], code);
2247 x86_breakpoint (code);
2250 /* mov <OFFSET>(%rip), MONO_ARCH_IMT_SCRATCH_REG */
2251 amd64_emit_rex (mov_buf_ptr, sizeof(gpointer), MONO_ARCH_IMT_SCRATCH_REG, 0, AMD64_RIP);
2252 *(mov_buf_ptr)++ = (unsigned char)0x8b; /* mov opcode */
2253 x86_address_byte (mov_buf_ptr, 0, MONO_ARCH_IMT_SCRATCH_REG & 0x7, 5);
2254 emit_bytes (acfg, mov_buf, mov_buf_ptr - mov_buf);
2255 emit_symbol_diff (acfg, acfg->got_symbol, ".", (offset * sizeof (gpointer)) - 4);
2257 emit_bytes (acfg, buf, code - buf);
2259 *tramp_size = code - buf + kSizeOfMove;
2263 #elif defined(TARGET_X86)
2265 guint8 *labels [16];
2267 code = buf = g_malloc (256);
2269 /* Allocate a temporary stack slot */
2270 x86_push_reg (code, X86_EAX);
2272 x86_push_reg (code, X86_EAX);
2274 /* Load mscorlib got address */
2275 x86_mov_reg_membase (code, X86_EAX, MONO_ARCH_GOT_REG, sizeof (gpointer), 4);
2277 x86_mov_reg_membase (code, X86_EAX, X86_EAX, offset * sizeof (gpointer), 4);
2280 x86_alu_membase_imm (code, X86_CMP, X86_EAX, 0, 0);
2282 x86_branch8 (code, X86_CC_Z, FALSE, 0);
2285 x86_alu_membase_reg (code, X86_CMP, X86_EAX, 0, MONO_ARCH_IMT_REG);
2287 x86_branch8 (code, X86_CC_Z, FALSE, 0);
2290 x86_alu_reg_imm (code, X86_ADD, X86_EAX, 2 * sizeof (gpointer));
2291 x86_jump_code (code, labels [0]);
2294 mono_x86_patch (labels [2], code);
2295 x86_mov_reg_membase (code, X86_EAX, X86_EAX, sizeof (gpointer), 4);
2296 x86_mov_reg_membase (code, X86_EAX, X86_EAX, 0, 4);
2297 /* Save the target address to the temporary stack location */
2298 x86_mov_membase_reg (code, X86_ESP, 4, X86_EAX, 4);
2300 x86_pop_reg (code, X86_EAX);
2301 /* Jump to the target address */
2305 mono_x86_patch (labels [1], code);
2306 /* Load fail tramp */
2307 x86_mov_reg_membase (code, X86_EAX, X86_EAX, sizeof (gpointer), 4);
2308 x86_alu_membase_imm (code, X86_CMP, X86_EAX, 0, 0);
2310 x86_branch8 (code, X86_CC_Z, FALSE, 0);
2311 /* Jump to fail tramp */
2312 x86_mov_membase_reg (code, X86_ESP, 4, X86_EAX, 4);
2313 x86_pop_reg (code, X86_EAX);
2317 mono_x86_patch (labels [3], code);
2318 x86_breakpoint (code);
2320 emit_bytes (acfg, buf, code - buf);
2322 *tramp_size = code - buf;
2326 #elif defined(TARGET_ARM)
2328 guint8 *code, *code2, *labels [16];
2332 /* The IMT method is in v5 */
2334 /* Need at least two free registers, plus a slot for storing the pc */
2335 ARM_PUSH (code, (1 << ARMREG_R0)|(1 << ARMREG_R1)|(1 << ARMREG_R2));
2337 /* Load the parameter from the GOT */
2338 ARM_LDR_IMM (code, ARMREG_R0, ARMREG_PC, 0);
2339 ARM_LDR_REG_REG (code, ARMREG_R0, ARMREG_PC, ARMREG_R0);
2342 ARM_LDR_IMM (code, ARMREG_R1, ARMREG_R0, 0);
2343 ARM_CMP_REG_REG (code, ARMREG_R1, ARMREG_V5);
2345 ARM_B_COND (code, ARMCOND_EQ, 0);
2347 /* End-of-loop check */
2348 ARM_CMP_REG_IMM (code, ARMREG_R1, 0, 0);
2350 ARM_B_COND (code, ARMCOND_EQ, 0);
2353 ARM_ADD_REG_IMM8 (code, ARMREG_R0, ARMREG_R0, sizeof (gpointer) * 2);
2356 arm_patch (labels [4], labels [1]);
2359 arm_patch (labels [2], code);
2360 ARM_LDR_IMM (code, ARMREG_R0, ARMREG_R0, 4);
2361 ARM_LDR_IMM (code, ARMREG_R0, ARMREG_R0, 0);
2362 /* Save it to the third stack slot */
2363 ARM_STR_IMM (code, ARMREG_R0, ARMREG_SP, 8);
2364 /* Restore the registers and branch */
2365 ARM_POP (code, (1 << ARMREG_R0)|(1 << ARMREG_R1)|(1 << ARMREG_PC));
2368 arm_patch (labels [3], code);
2369 ARM_LDR_IMM (code, ARMREG_R0, ARMREG_R0, 4);
2370 ARM_STR_IMM (code, ARMREG_R0, ARMREG_SP, 8);
2371 ARM_POP (code, (1 << ARMREG_R0)|(1 << ARMREG_R1)|(1 << ARMREG_PC));
2375 ARM_LDR_IMM (code2, ARMREG_R0, ARMREG_PC, (code - (labels [0] + 8)));
2377 emit_bytes (acfg, buf, code - buf);
2378 emit_symbol_diff (acfg, acfg->got_symbol, ".", (offset * sizeof (gpointer)) + (code - (labels [0] + 8)) - 4);
2380 *tramp_size = code - buf + 4;
2381 #elif defined(TARGET_ARM64)
2382 arm64_emit_imt_trampoline (acfg, offset, tramp_size);
2383 #elif defined(TARGET_POWERPC)
2385 guint8 *code, *labels [16];
2389 /* Load the mscorlib got address */
2390 ppc_ldptr (code, ppc_r12, sizeof (gpointer), ppc_r30);
2391 /* Load the parameter from the GOT */
2392 ppc_load (code, ppc_r0, offset * sizeof (gpointer));
2393 ppc_ldptr_indexed (code, ppc_r12, ppc_r12, ppc_r0);
2395 /* Load and check key */
2397 ppc_ldptr (code, ppc_r0, 0, ppc_r12);
2398 ppc_cmp (code, 0, sizeof (gpointer) == 8 ? 1 : 0, ppc_r0, MONO_ARCH_IMT_REG);
2400 ppc_bc (code, PPC_BR_TRUE, PPC_BR_EQ, 0);
2402 /* End-of-loop check */
2403 ppc_cmpi (code, 0, sizeof (gpointer) == 8 ? 1 : 0, ppc_r0, 0);
2405 ppc_bc (code, PPC_BR_TRUE, PPC_BR_EQ, 0);
2408 ppc_addi (code, ppc_r12, ppc_r12, 2 * sizeof (gpointer));
2411 mono_ppc_patch (labels [4], labels [1]);
2414 mono_ppc_patch (labels [2], code);
2415 ppc_ldptr (code, ppc_r12, sizeof (gpointer), ppc_r12);
2416 /* r12 now contains the value of the vtable slot */
2417 /* this is not a function descriptor on ppc64 */
2418 ppc_ldptr (code, ppc_r12, 0, ppc_r12);
2419 ppc_mtctr (code, ppc_r12);
2420 ppc_bcctr (code, PPC_BR_ALWAYS, 0);
2423 mono_ppc_patch (labels [3], code);
2427 *tramp_size = code - buf;
2429 emit_bytes (acfg, buf, code - buf);
2431 g_assert_not_reached ();
2436 #if defined (TARGET_AMD64)
2439 amd64_emit_load_got_slot (MonoAotCompile *acfg, int dreg, int got_slot)
2442 g_assert (acfg->fp);
2443 emit_unset_mode (acfg);
2445 fprintf (acfg->fp, "mov %s+%d(%%rip), %s\n", acfg->got_symbol, (unsigned int) ((got_slot * sizeof (gpointer))), mono_arch_regname (dreg));
2452 * arch_emit_gsharedvt_arg_trampoline:
2454 * Emit code for a gsharedvt arg trampoline. OFFSET is the offset of the first of
2455 * two GOT slots which contain the argument, and the code to jump to.
2456 * TRAMP_SIZE is set to the size of the emitted trampoline.
2457 * These kinds of trampolines cannot be enumerated statically, since there could
2458 * be one trampoline per method instantiation, so we emit the same code for all
2459 * trampolines, and parameterize them using two GOT slots.
2462 arch_emit_gsharedvt_arg_trampoline (MonoAotCompile *acfg, int offset, int *tramp_size)
2464 #if defined(TARGET_X86)
2468 /* Similar to the PPC code above */
2470 g_assert (MONO_ARCH_RGCTX_REG != X86_ECX);
2473 /* Load mscorlib got address */
2474 x86_mov_reg_membase (code, X86_ECX, MONO_ARCH_GOT_REG, sizeof (gpointer), 4);
2476 x86_mov_reg_membase (code, X86_EAX, X86_ECX, offset * sizeof (gpointer), 4);
2477 /* Branch to the target address */
2478 x86_jump_membase (code, X86_ECX, (offset + 1) * sizeof (gpointer));
2480 emit_bytes (acfg, buf, code - buf);
2483 g_assert (code - buf == *tramp_size);
2484 #elif defined(TARGET_ARM)
2488 /* The same as mono_arch_get_gsharedvt_arg_trampoline (), but for AOT */
2489 /* Similar to arch_emit_specific_trampoline () */
2492 ARM_PUSH (code, (1 << ARMREG_R0) | (1 << ARMREG_R1) | (1 << ARMREG_R2) | (1 << ARMREG_R3));
2493 ARM_LDR_IMM (code, ARMREG_R1, ARMREG_PC, 8);
2494 /* Load the arg value from the GOT */
2495 ARM_LDR_REG_REG (code, ARMREG_R0, ARMREG_PC, ARMREG_R1);
2496 /* Load the addr from the GOT */
2497 ARM_LDR_REG_REG (code, ARMREG_R1, ARMREG_PC, ARMREG_R1);
2499 ARM_BX (code, ARMREG_R1);
2501 g_assert (code - buf == 20);
2504 emit_bytes (acfg, buf, code - buf);
2505 emit_symbol_diff (acfg, acfg->got_symbol, ".", (offset * sizeof (gpointer)) + 4);
2506 #elif defined(TARGET_ARM64)
2507 arm64_emit_gsharedvt_arg_trampoline (acfg, offset, tramp_size);
2508 #elif defined (TARGET_AMD64)
2510 amd64_emit_load_got_slot (acfg, AMD64_RAX, offset);
2511 amd64_emit_load_got_slot (acfg, MONO_ARCH_IMT_SCRATCH_REG, offset + 1);
2512 g_assert (AMD64_R11 == MONO_ARCH_IMT_SCRATCH_REG);
2513 fprintf (acfg->fp, "jmp *%%r11\n");
2517 g_assert_not_reached ();
2521 /* END OF ARCH SPECIFIC CODE */
2524 mono_get_field_token (MonoClassField *field)
2526 MonoClass *klass = field->parent;
2529 int fcount = mono_class_get_field_count (klass);
2530 for (i = 0; i < fcount; ++i) {
2531 if (field == &klass->fields [i])
2532 return MONO_TOKEN_FIELD_DEF | (mono_class_get_first_field_idx (klass) + 1 + i);
2535 g_assert_not_reached ();
2540 encode_value (gint32 value, guint8 *buf, guint8 **endbuf)
2544 //printf ("ENCODE: %d 0x%x.\n", value, value);
2547 * Same encoding as the one used in the metadata, extended to handle values
2548 * greater than 0x1fffffff.
2550 if ((value >= 0) && (value <= 127))
2552 else if ((value >= 0) && (value <= 16383)) {
2553 p [0] = 0x80 | (value >> 8);
2554 p [1] = value & 0xff;
2556 } else if ((value >= 0) && (value <= 0x1fffffff)) {
2557 p [0] = (value >> 24) | 0xc0;
2558 p [1] = (value >> 16) & 0xff;
2559 p [2] = (value >> 8) & 0xff;
2560 p [3] = value & 0xff;
2565 p [1] = (value >> 24) & 0xff;
2566 p [2] = (value >> 16) & 0xff;
2567 p [3] = (value >> 8) & 0xff;
2568 p [4] = value & 0xff;
2576 stream_init (MonoDynamicStream *sh)
2579 sh->alloc_size = 4096;
2580 sh->data = (char *)g_malloc (4096);
2582 /* So offsets are > 0 */
2588 make_room_in_stream (MonoDynamicStream *stream, int size)
2590 if (size <= stream->alloc_size)
2593 while (stream->alloc_size <= size) {
2594 if (stream->alloc_size < 4096)
2595 stream->alloc_size = 4096;
2597 stream->alloc_size *= 2;
2600 stream->data = (char *)g_realloc (stream->data, stream->alloc_size);
2604 add_stream_data (MonoDynamicStream *stream, const char *data, guint32 len)
2608 make_room_in_stream (stream, stream->index + len);
2609 memcpy (stream->data + stream->index, data, len);
2610 idx = stream->index;
2611 stream->index += len;
2618 * Add data to the binary blob inside the aot image. Returns the offset inside the
2619 * blob where the data was stored.
2622 add_to_blob (MonoAotCompile *acfg, const guint8 *data, guint32 data_len)
2624 g_assert (!acfg->blob_closed);
2626 if (acfg->blob.alloc_size == 0)
2627 stream_init (&acfg->blob);
2629 return add_stream_data (&acfg->blob, (char*)data, data_len);
2633 add_to_blob_aligned (MonoAotCompile *acfg, const guint8 *data, guint32 data_len, guint32 align)
2638 if (acfg->blob.alloc_size == 0)
2639 stream_init (&acfg->blob);
2641 count = acfg->blob.index % align;
2643 /* we assume the stream data will be aligned */
2645 add_stream_data (&acfg->blob, buf, 4 - count);
2647 return add_stream_data (&acfg->blob, (char*)data, data_len);
2650 /* Emit a table of data into the aot image */
2652 emit_aot_data (MonoAotCompile *acfg, MonoAotFileTable table, const char *symbol, guint8 *data, int size)
2654 if (acfg->data_outfile) {
2655 acfg->table_offsets [(int)table] = acfg->datafile_offset;
2656 fwrite (data,1, size, acfg->data_outfile);
2657 acfg->datafile_offset += size;
2658 // align the data to 8 bytes. Put zeros in the file (so that every build results in consistent output).
2659 int align = 8 - size % 8;
2660 acfg->datafile_offset += align;
2661 guint8 align_buf [16];
2662 memset (&align_buf, 0, sizeof (align_buf));
2663 fwrite (align_buf, align, 1, acfg->data_outfile);
2664 } else if (acfg->llvm) {
2665 mono_llvm_emit_aot_data (symbol, data, size);
2667 emit_section_change (acfg, RODATA_SECT, 0);
2668 emit_alignment (acfg, 8);
2669 emit_label (acfg, symbol);
2670 emit_bytes (acfg, data, size);
2675 * emit_offset_table:
2677 * Emit a table of increasing offsets in a compact form using differential encoding.
2678 * There is an index entry for each GROUP_SIZE number of entries. The greater the
2679 * group size, the more compact the table becomes, but the slower it becomes to compute
2680 * a given entry. Returns the size of the table.
2683 emit_offset_table (MonoAotCompile *acfg, const char *symbol, MonoAotFileTable table, int noffsets, int group_size, gint32 *offsets)
2685 gint32 current_offset;
2686 int i, buf_size, ngroups, index_entry_size;
2688 guint8 *data_p, *data_buf;
2689 guint32 *index_offsets;
2691 ngroups = (noffsets + (group_size - 1)) / group_size;
2693 index_offsets = g_new0 (guint32, ngroups);
2695 buf_size = noffsets * 4;
2696 p = buf = (guint8 *)g_malloc0 (buf_size);
2699 for (i = 0; i < noffsets; ++i) {
2700 //printf ("D: %d -> %d\n", i, offsets [i]);
2701 if ((i % group_size) == 0) {
2702 index_offsets [i / group_size] = p - buf;
2703 /* Emit the full value for these entries */
2704 encode_value (offsets [i], p, &p);
2706 /* The offsets are allowed to be non-increasing */
2707 //g_assert (offsets [i] >= current_offset);
2708 encode_value (offsets [i] - current_offset, p, &p);
2710 current_offset = offsets [i];
2715 if (ngroups && index_offsets [ngroups - 1] < 65000)
2716 index_entry_size = 2;
2718 index_entry_size = 4;
2720 buf_size = (data_p - data_buf) + (ngroups * 4) + 16;
2721 p = buf = (guint8 *)g_malloc0 (buf_size);
2723 /* Emit the header */
2724 encode_int (noffsets, p, &p);
2725 encode_int (group_size, p, &p);
2726 encode_int (ngroups, p, &p);
2727 encode_int (index_entry_size, p, &p);
2729 /* Emit the index */
2730 for (i = 0; i < ngroups; ++i) {
2731 if (index_entry_size == 2)
2732 encode_int16 (index_offsets [i], p, &p);
2734 encode_int (index_offsets [i], p, &p);
2737 memcpy (p, data_buf, data_p - data_buf);
2738 p += data_p - data_buf;
2740 g_assert (p - buf <= buf_size);
2742 emit_aot_data (acfg, table, symbol, buf, p - buf);
2747 return (int)(p - buf);
2751 get_image_index (MonoAotCompile *cfg, MonoImage *image)
2755 index = GPOINTER_TO_UINT (g_hash_table_lookup (cfg->image_hash, image));
2759 index = g_hash_table_size (cfg->image_hash);
2760 g_hash_table_insert (cfg->image_hash, image, GUINT_TO_POINTER (index + 1));
2761 g_ptr_array_add (cfg->image_table, image);
2767 find_typespec_for_class (MonoAotCompile *acfg, MonoClass *klass)
2770 int len = acfg->image->tables [MONO_TABLE_TYPESPEC].rows;
2772 /* FIXME: Search referenced images as well */
2773 if (!acfg->typespec_classes) {
2774 acfg->typespec_classes = g_hash_table_new (NULL, NULL);
2775 for (i = 0; i < len; i++) {
2777 int typespec = MONO_TOKEN_TYPE_SPEC | (i + 1);
2778 MonoClass *klass_key = mono_class_get_and_inflate_typespec_checked (acfg->image, typespec, NULL, &error);
2779 if (!is_ok (&error)) {
2780 mono_error_cleanup (&error);
2783 g_hash_table_insert (acfg->typespec_classes, klass_key, GINT_TO_POINTER (typespec));
2786 return GPOINTER_TO_INT (g_hash_table_lookup (acfg->typespec_classes, klass));
2790 encode_method_ref (MonoAotCompile *acfg, MonoMethod *method, guint8 *buf, guint8 **endbuf);
2793 encode_klass_ref (MonoAotCompile *acfg, MonoClass *klass, guint8 *buf, guint8 **endbuf);
2796 encode_ginst (MonoAotCompile *acfg, MonoGenericInst *inst, guint8 *buf, guint8 **endbuf);
2799 encode_type (MonoAotCompile *acfg, MonoType *t, guint8 *buf, guint8 **endbuf);
2802 encode_klass_ref_inner (MonoAotCompile *acfg, MonoClass *klass, guint8 *buf, guint8 **endbuf)
2807 * The encoding begins with one of the MONO_AOT_TYPEREF values, followed by additional
2811 if (mono_class_is_ginst (klass)) {
2813 g_assert (klass->type_token);
2815 /* Find a typespec for a class if possible */
2816 token = find_typespec_for_class (acfg, klass);
2818 encode_value (MONO_AOT_TYPEREF_TYPESPEC_TOKEN, p, &p);
2819 encode_value (token, p, &p);
2821 MonoClass *gclass = mono_class_get_generic_class (klass)->container_class;
2822 MonoGenericInst *inst = mono_class_get_generic_class (klass)->context.class_inst;
2823 static int count = 0;
2826 encode_value (MONO_AOT_TYPEREF_GINST, p, &p);
2827 encode_klass_ref (acfg, gclass, p, &p);
2828 encode_ginst (acfg, inst, p, &p);
2832 } else if (klass->type_token) {
2833 int iindex = get_image_index (acfg, klass->image);
2835 g_assert (mono_metadata_token_code (klass->type_token) == MONO_TOKEN_TYPE_DEF);
2837 encode_value (MONO_AOT_TYPEREF_TYPEDEF_INDEX, p, &p);
2838 encode_value (klass->type_token - MONO_TOKEN_TYPE_DEF, p, &p);
2840 encode_value (MONO_AOT_TYPEREF_TYPEDEF_INDEX_IMAGE, p, &p);
2841 encode_value (klass->type_token - MONO_TOKEN_TYPE_DEF, p, &p);
2842 encode_value (get_image_index (acfg, klass->image), p, &p);
2844 } else if ((klass->byval_arg.type == MONO_TYPE_VAR) || (klass->byval_arg.type == MONO_TYPE_MVAR)) {
2845 MonoGenericContainer *container = mono_type_get_generic_param_owner (&klass->byval_arg);
2846 MonoGenericParam *par = klass->byval_arg.data.generic_param;
2848 encode_value (MONO_AOT_TYPEREF_VAR, p, &p);
2850 encode_value (par->gshared_constraint ? 1 : 0, p, &p);
2851 if (par->gshared_constraint) {
2852 MonoGSharedGenericParam *gpar = (MonoGSharedGenericParam*)par;
2853 encode_type (acfg, par->gshared_constraint, p, &p);
2854 encode_klass_ref (acfg, mono_class_from_generic_parameter (gpar->parent, NULL, klass->byval_arg.type == MONO_TYPE_MVAR), p, &p);
2856 encode_value (klass->byval_arg.type, p, &p);
2857 encode_value (mono_type_get_generic_param_num (&klass->byval_arg), p, &p);
2859 encode_value (container->is_anonymous ? 0 : 1, p, &p);
2861 if (!container->is_anonymous) {
2862 encode_value (container->is_method, p, &p);
2863 if (container->is_method)
2864 encode_method_ref (acfg, container->owner.method, p, &p);
2866 encode_klass_ref (acfg, container->owner.klass, p, &p);
2869 } else if (klass->byval_arg.type == MONO_TYPE_PTR) {
2870 encode_value (MONO_AOT_TYPEREF_PTR, p, &p);
2871 encode_type (acfg, &klass->byval_arg, p, &p);
2874 g_assert (klass->rank > 0);
2875 encode_value (MONO_AOT_TYPEREF_ARRAY, p, &p);
2876 encode_value (klass->rank, p, &p);
2877 encode_klass_ref (acfg, klass->element_class, p, &p);
2885 * Encode a reference to KLASS. We use our home-grown encoding instead of the
2886 * standard metadata encoding.
2889 encode_klass_ref (MonoAotCompile *acfg, MonoClass *klass, guint8 *buf, guint8 **endbuf)
2891 gboolean shared = FALSE;
2894 * The encoding of generic instances is large so emit them only once.
2896 if (mono_class_is_ginst (klass)) {
2898 g_assert (klass->type_token);
2900 /* Find a typespec for a class if possible */
2901 token = find_typespec_for_class (acfg, klass);
2904 } else if ((klass->byval_arg.type == MONO_TYPE_VAR) || (klass->byval_arg.type == MONO_TYPE_MVAR)) {
2909 guint offset = GPOINTER_TO_UINT (g_hash_table_lookup (acfg->klass_blob_hash, klass));
2913 buf2 = (guint8 *)g_malloc (1024);
2916 encode_klass_ref_inner (acfg, klass, p, &p);
2917 g_assert (p - buf2 < 1024);
2919 offset = add_to_blob (acfg, buf2, p - buf2);
2922 g_hash_table_insert (acfg->klass_blob_hash, klass, GUINT_TO_POINTER (offset + 1));
2928 encode_value (MONO_AOT_TYPEREF_BLOB_INDEX, p, &p);
2929 encode_value (offset, p, &p);
2934 encode_klass_ref_inner (acfg, klass, buf, endbuf);
2938 encode_field_info (MonoAotCompile *cfg, MonoClassField *field, guint8 *buf, guint8 **endbuf)
2940 guint32 token = mono_get_field_token (field);
2943 encode_klass_ref (cfg, field->parent, p, &p);
2944 g_assert (mono_metadata_token_code (token) == MONO_TOKEN_FIELD_DEF);
2945 encode_value (token - MONO_TOKEN_FIELD_DEF, p, &p);
2950 encode_ginst (MonoAotCompile *acfg, MonoGenericInst *inst, guint8 *buf, guint8 **endbuf)
2955 encode_value (inst->type_argc, p, &p);
2956 for (i = 0; i < inst->type_argc; ++i)
2957 encode_klass_ref (acfg, mono_class_from_mono_type (inst->type_argv [i]), p, &p);
2962 encode_generic_context (MonoAotCompile *acfg, MonoGenericContext *context, guint8 *buf, guint8 **endbuf)
2965 MonoGenericInst *inst;
2967 inst = context->class_inst;
2969 g_assert (inst->type_argc);
2970 encode_ginst (acfg, inst, p, &p);
2972 encode_value (0, p, &p);
2974 inst = context->method_inst;
2976 g_assert (inst->type_argc);
2977 encode_ginst (acfg, inst, p, &p);
2979 encode_value (0, p, &p);
2985 encode_type (MonoAotCompile *acfg, MonoType *t, guint8 *buf, guint8 **endbuf)
2989 g_assert (t->num_mods == 0);
2990 /* t->attrs can be ignored */
2991 //g_assert (t->attrs == 0);
2994 *p = MONO_TYPE_PINNED;
2998 *p = MONO_TYPE_BYREF;
3006 case MONO_TYPE_VOID:
3007 case MONO_TYPE_BOOLEAN:
3008 case MONO_TYPE_CHAR:
3021 case MONO_TYPE_STRING:
3022 case MONO_TYPE_OBJECT:
3023 case MONO_TYPE_TYPEDBYREF:
3025 case MONO_TYPE_VALUETYPE:
3026 case MONO_TYPE_CLASS:
3027 encode_klass_ref (acfg, mono_class_from_mono_type (t), p, &p);
3029 case MONO_TYPE_SZARRAY:
3030 encode_klass_ref (acfg, t->data.klass, p, &p);
3033 encode_type (acfg, t->data.type, p, &p);
3035 case MONO_TYPE_GENERICINST: {
3036 MonoClass *gclass = t->data.generic_class->container_class;
3037 MonoGenericInst *inst = t->data.generic_class->context.class_inst;
3039 encode_klass_ref (acfg, gclass, p, &p);
3040 encode_ginst (acfg, inst, p, &p);
3043 case MONO_TYPE_ARRAY: {
3044 MonoArrayType *array = t->data.array;
3047 encode_klass_ref (acfg, array->eklass, p, &p);
3048 encode_value (array->rank, p, &p);
3049 encode_value (array->numsizes, p, &p);
3050 for (i = 0; i < array->numsizes; ++i)
3051 encode_value (array->sizes [i], p, &p);
3052 encode_value (array->numlobounds, p, &p);
3053 for (i = 0; i < array->numlobounds; ++i)
3054 encode_value (array->lobounds [i], p, &p);
3058 case MONO_TYPE_MVAR:
3059 encode_klass_ref (acfg, mono_class_from_mono_type (t), p, &p);
3062 g_assert_not_reached ();
3069 encode_signature (MonoAotCompile *acfg, MonoMethodSignature *sig, guint8 *buf, guint8 **endbuf)
3075 /* Similar to the metadata encoding */
3076 if (sig->generic_param_count)
3080 if (sig->explicit_this)
3082 flags |= (sig->call_convention & 0x0F);
3086 if (sig->generic_param_count)
3087 encode_value (sig->generic_param_count, p, &p);
3088 encode_value (sig->param_count, p, &p);
3090 encode_type (acfg, sig->ret, p, &p);
3091 for (i = 0; i < sig->param_count; ++i) {
3092 if (sig->sentinelpos == i) {
3093 *p = MONO_TYPE_SENTINEL;
3096 encode_type (acfg, sig->params [i], p, &p);
3102 #define MAX_IMAGE_INDEX 250
3105 encode_method_ref (MonoAotCompile *acfg, MonoMethod *method, guint8 *buf, guint8 **endbuf)
3107 guint32 image_index = get_image_index (acfg, method->klass->image);
3108 guint32 token = method->token;
3109 MonoJumpInfoToken *ji;
3113 * The encoding for most methods is as follows:
3114 * - image index encoded as a leb128
3115 * - token index encoded as a leb128
3116 * Values of image index >= MONO_AOT_METHODREF_MIN are used to mark additional
3117 * types of method encodings.
3120 /* Mark methods which can't use aot trampolines because they need the further
3121 * processing in mono_magic_trampoline () which requires a MonoMethod*.
3123 if ((method->is_generic && (method->flags & METHOD_ATTRIBUTE_VIRTUAL)) ||
3124 (method->iflags & METHOD_IMPL_ATTRIBUTE_SYNCHRONIZED))
3125 encode_value ((MONO_AOT_METHODREF_NO_AOT_TRAMPOLINE << 24), p, &p);
3127 if (method->wrapper_type) {
3128 WrapperInfo *info = mono_marshal_get_wrapper_info (method);
3130 encode_value ((MONO_AOT_METHODREF_WRAPPER << 24), p, &p);
3132 encode_value (method->wrapper_type, p, &p);
3134 switch (method->wrapper_type) {
3135 case MONO_WRAPPER_REMOTING_INVOKE:
3136 case MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK:
3137 case MONO_WRAPPER_XDOMAIN_INVOKE: {
3140 m = mono_marshal_method_from_wrapper (method);
3142 encode_method_ref (acfg, m, p, &p);
3145 case MONO_WRAPPER_PROXY_ISINST:
3146 case MONO_WRAPPER_LDFLD:
3147 case MONO_WRAPPER_LDFLDA:
3148 case MONO_WRAPPER_STFLD: {
3150 encode_klass_ref (acfg, info->d.proxy.klass, p, &p);
3153 case MONO_WRAPPER_ALLOC: {
3154 /* The GC name is saved once in MonoAotFileInfo */
3155 g_assert (info->d.alloc.alloc_type != -1);
3156 encode_value (info->d.alloc.alloc_type, p, &p);
3159 case MONO_WRAPPER_WRITE_BARRIER: {
3163 case MONO_WRAPPER_STELEMREF: {
3165 encode_value (info->subtype, p, &p);
3166 if (info->subtype == WRAPPER_SUBTYPE_VIRTUAL_STELEMREF)
3167 encode_value (info->d.virtual_stelemref.kind, p, &p);
3170 case MONO_WRAPPER_UNKNOWN: {
3172 encode_value (info->subtype, p, &p);
3173 if (info->subtype == WRAPPER_SUBTYPE_PTR_TO_STRUCTURE ||
3174 info->subtype == WRAPPER_SUBTYPE_STRUCTURE_TO_PTR)
3175 encode_klass_ref (acfg, method->klass, p, &p);
3176 else if (info->subtype == WRAPPER_SUBTYPE_SYNCHRONIZED_INNER)
3177 encode_method_ref (acfg, info->d.synchronized_inner.method, p, &p);
3178 else if (info->subtype == WRAPPER_SUBTYPE_ARRAY_ACCESSOR)
3179 encode_method_ref (acfg, info->d.array_accessor.method, p, &p);
3180 else if (info->subtype == WRAPPER_SUBTYPE_GSHAREDVT_IN_SIG)
3181 encode_signature (acfg, info->d.gsharedvt.sig, p, &p);
3182 else if (info->subtype == WRAPPER_SUBTYPE_GSHAREDVT_OUT_SIG)
3183 encode_signature (acfg, info->d.gsharedvt.sig, p, &p);
3186 case MONO_WRAPPER_MANAGED_TO_NATIVE: {
3188 encode_value (info->subtype, p, &p);
3189 if (info->subtype == WRAPPER_SUBTYPE_ICALL_WRAPPER) {
3190 strcpy ((char*)p, method->name);
3191 p += strlen (method->name) + 1;
3192 } else if (info->subtype == WRAPPER_SUBTYPE_NATIVE_FUNC_AOT) {
3193 encode_method_ref (acfg, info->d.managed_to_native.method, p, &p);
3195 g_assert (info->subtype == WRAPPER_SUBTYPE_NONE || info->subtype == WRAPPER_SUBTYPE_PINVOKE);
3196 encode_method_ref (acfg, info->d.managed_to_native.method, p, &p);
3200 case MONO_WRAPPER_SYNCHRONIZED: {
3203 m = mono_marshal_method_from_wrapper (method);
3205 g_assert (m != method);
3206 encode_method_ref (acfg, m, p, &p);
3209 case MONO_WRAPPER_MANAGED_TO_MANAGED: {
3211 encode_value (info->subtype, p, &p);
3213 if (info->subtype == WRAPPER_SUBTYPE_ELEMENT_ADDR) {
3214 encode_value (info->d.element_addr.rank, p, &p);
3215 encode_value (info->d.element_addr.elem_size, p, &p);
3216 } else if (info->subtype == WRAPPER_SUBTYPE_STRING_CTOR) {
3217 encode_method_ref (acfg, info->d.string_ctor.method, p, &p);
3219 g_assert_not_reached ();
3223 case MONO_WRAPPER_CASTCLASS: {
3225 encode_value (info->subtype, p, &p);
3228 case MONO_WRAPPER_RUNTIME_INVOKE: {
3230 encode_value (info->subtype, p, &p);
3231 if (info->subtype == WRAPPER_SUBTYPE_RUNTIME_INVOKE_DIRECT || info->subtype == WRAPPER_SUBTYPE_RUNTIME_INVOKE_VIRTUAL)
3232 encode_method_ref (acfg, info->d.runtime_invoke.method, p, &p);
3233 else if (info->subtype == WRAPPER_SUBTYPE_RUNTIME_INVOKE_NORMAL)
3234 encode_signature (acfg, info->d.runtime_invoke.sig, p, &p);
3237 case MONO_WRAPPER_DELEGATE_INVOKE:
3238 case MONO_WRAPPER_DELEGATE_BEGIN_INVOKE:
3239 case MONO_WRAPPER_DELEGATE_END_INVOKE: {
3240 if (method->is_inflated) {
3241 /* These wrappers are identified by their class */
3242 encode_value (1, p, &p);
3243 encode_klass_ref (acfg, method->klass, p, &p);
3245 MonoMethodSignature *sig = mono_method_signature (method);
3246 WrapperInfo *info = mono_marshal_get_wrapper_info (method);
3248 encode_value (0, p, &p);
3249 if (method->wrapper_type == MONO_WRAPPER_DELEGATE_INVOKE)
3250 encode_value (info ? info->subtype : 0, p, &p);
3251 encode_signature (acfg, sig, p, &p);
3255 case MONO_WRAPPER_NATIVE_TO_MANAGED: {
3257 encode_method_ref (acfg, info->d.native_to_managed.method, p, &p);
3258 encode_klass_ref (acfg, info->d.native_to_managed.klass, p, &p);
3262 g_assert_not_reached ();
3264 } else if (mono_method_signature (method)->is_inflated) {
3266 * This is a generic method, find the original token which referenced it and
3268 * Obtain the token from information recorded by the JIT.
3270 ji = (MonoJumpInfoToken *)g_hash_table_lookup (acfg->token_info_hash, method);
3272 image_index = get_image_index (acfg, ji->image);
3273 g_assert (image_index < MAX_IMAGE_INDEX);
3276 encode_value ((MONO_AOT_METHODREF_METHODSPEC << 24), p, &p);
3277 encode_value (image_index, p, &p);
3278 encode_value (token, p, &p);
3280 MonoMethod *declaring;
3281 MonoGenericContext *context = mono_method_get_context (method);
3283 g_assert (method->is_inflated);
3284 declaring = ((MonoMethodInflated*)method)->declaring;
3287 * This might be a non-generic method of a generic instance, which
3288 * doesn't have a token since the reference is generated by the JIT
3289 * like Nullable:Box/Unbox, or by generic sharing.
3291 encode_value ((MONO_AOT_METHODREF_GINST << 24), p, &p);
3292 /* Encode the klass */
3293 encode_klass_ref (acfg, method->klass, p, &p);
3294 /* Encode the method */
3295 image_index = get_image_index (acfg, method->klass->image);
3296 g_assert (image_index < MAX_IMAGE_INDEX);
3297 g_assert (declaring->token);
3298 token = declaring->token;
3299 g_assert (mono_metadata_token_table (token) == MONO_TABLE_METHOD);
3300 encode_value (image_index, p, &p);
3301 encode_value (token, p, &p);
3302 encode_generic_context (acfg, context, p, &p);
3304 } else if (token == 0) {
3305 /* This might be a method of a constructed type like int[,].Set */
3306 /* Obtain the token from information recorded by the JIT */
3307 ji = (MonoJumpInfoToken *)g_hash_table_lookup (acfg->token_info_hash, method);
3309 image_index = get_image_index (acfg, ji->image);
3310 g_assert (image_index < MAX_IMAGE_INDEX);
3313 encode_value ((MONO_AOT_METHODREF_METHODSPEC << 24), p, &p);
3314 encode_value (image_index, p, &p);
3315 encode_value (token, p, &p);
3318 g_assert (method->klass->rank);
3320 /* Encode directly */
3321 encode_value ((MONO_AOT_METHODREF_ARRAY << 24), p, &p);
3322 encode_klass_ref (acfg, method->klass, p, &p);
3323 if (!strcmp (method->name, ".ctor") && mono_method_signature (method)->param_count == method->klass->rank)
3324 encode_value (0, p, &p);
3325 else if (!strcmp (method->name, ".ctor") && mono_method_signature (method)->param_count == method->klass->rank * 2)
3326 encode_value (1, p, &p);
3327 else if (!strcmp (method->name, "Get"))
3328 encode_value (2, p, &p);
3329 else if (!strcmp (method->name, "Address"))
3330 encode_value (3, p, &p);
3331 else if (!strcmp (method->name, "Set"))
3332 encode_value (4, p, &p);
3334 g_assert_not_reached ();
3337 g_assert (mono_metadata_token_table (token) == MONO_TABLE_METHOD);
3339 if (image_index >= MONO_AOT_METHODREF_MIN) {
3340 encode_value ((MONO_AOT_METHODREF_LARGE_IMAGE_INDEX << 24), p, &p);
3341 encode_value (image_index, p, &p);
3342 encode_value (mono_metadata_token_index (token), p, &p);
3344 encode_value ((image_index << 24) | mono_metadata_token_index (token), p, &p);
3351 compare_patches (gconstpointer a, gconstpointer b)
3355 i = (*(MonoJumpInfo**)a)->ip.i;
3356 j = (*(MonoJumpInfo**)b)->ip.i;
3367 static G_GNUC_UNUSED char*
3368 patch_to_string (MonoJumpInfo *patch_info)
3372 str = g_string_new ("");
3374 g_string_append_printf (str, "%s(", get_patch_name (patch_info->type));
3376 switch (patch_info->type) {
3377 case MONO_PATCH_INFO_VTABLE:
3378 mono_type_get_desc (str, &patch_info->data.klass->byval_arg, TRUE);
3383 g_string_append_printf (str, ")");
3384 return g_string_free (str, FALSE);
3390 * Return whenever PATCH_INFO refers to a direct call, and thus requires a
3393 static inline gboolean
3394 is_plt_patch (MonoJumpInfo *patch_info)
3396 switch (patch_info->type) {
3397 case MONO_PATCH_INFO_METHOD:
3398 case MONO_PATCH_INFO_INTERNAL_METHOD:
3399 case MONO_PATCH_INFO_JIT_ICALL_ADDR:
3400 case MONO_PATCH_INFO_ICALL_ADDR_CALL:
3401 case MONO_PATCH_INFO_RGCTX_FETCH:
3411 * Return the symbol identifying the plt entry PLT_OFFSET.
3414 get_plt_symbol (MonoAotCompile *acfg, int plt_offset, MonoJumpInfo *patch_info)
3418 * The Apple linker reorganizes object files, so it doesn't like branches to local
3419 * labels, since those have no relocations.
3421 return g_strdup_printf ("%sp_%d", acfg->llvm_label_prefix, plt_offset);
3423 return g_strdup_printf ("%sp_%d", acfg->temp_prefix, plt_offset);
3430 * Return a PLT entry which belongs to the method identified by PATCH_INFO.
3432 static MonoPltEntry*
3433 get_plt_entry (MonoAotCompile *acfg, MonoJumpInfo *patch_info)
3436 gboolean synchronized = FALSE;
3437 static int synchronized_symbol_idx;
3439 if (!is_plt_patch (patch_info))
3442 if (!acfg->patch_to_plt_entry [patch_info->type])
3443 acfg->patch_to_plt_entry [patch_info->type] = g_hash_table_new (mono_patch_info_hash, mono_patch_info_equal);
3444 res = (MonoPltEntry *)g_hash_table_lookup (acfg->patch_to_plt_entry [patch_info->type], patch_info);
3446 if (!acfg->llvm && patch_info->type == MONO_PATCH_INFO_METHOD && (patch_info->data.method->iflags & METHOD_IMPL_ATTRIBUTE_SYNCHRONIZED)) {
3448 * Allocate a separate PLT slot for each such patch, since some plt
3449 * entries will refer to the method itself, and some will refer to the
3453 synchronized = TRUE;
3457 MonoJumpInfo *new_ji;
3459 new_ji = mono_patch_info_dup_mp (acfg->mempool, patch_info);
3461 res = (MonoPltEntry *)mono_mempool_alloc0 (acfg->mempool, sizeof (MonoPltEntry));
3462 res->plt_offset = acfg->plt_offset;
3464 res->symbol = get_plt_symbol (acfg, res->plt_offset, patch_info);
3465 if (acfg->aot_opts.write_symbols)
3466 res->debug_sym = get_plt_entry_debug_sym (acfg, res->ji, acfg->plt_entry_debug_sym_cache);
3468 /* Avoid duplicate symbols because we don't cache */
3469 res->symbol = g_strdup_printf ("%s_%d", res->symbol, synchronized_symbol_idx);
3471 res->debug_sym = g_strdup_printf ("%s_%d", res->debug_sym, synchronized_symbol_idx);
3472 synchronized_symbol_idx ++;
3475 res->llvm_symbol = g_strdup_printf ("%s_%s_llvm", res->symbol, res->debug_sym);
3477 res->llvm_symbol = g_strdup_printf ("%s_llvm", res->symbol);
3479 g_hash_table_insert (acfg->patch_to_plt_entry [new_ji->type], new_ji, res);
3481 g_hash_table_insert (acfg->plt_offset_to_entry, GUINT_TO_POINTER (res->plt_offset), res);
3483 //g_assert (mono_patch_info_equal (patch_info, new_ji));
3484 //mono_print_ji (patch_info); printf ("\n");
3485 //g_hash_table_print_stats (acfg->patch_to_plt_entry);
3487 acfg->plt_offset ++;
3496 * Returns the offset of the GOT slot where the runtime object resulting from resolving
3497 * JI could be found if it exists, otherwise allocates a new one.
3500 get_got_offset (MonoAotCompile *acfg, gboolean llvm, MonoJumpInfo *ji)
3503 GotInfo *info = llvm ? &acfg->llvm_got_info : &acfg->got_info;
3505 got_offset = GPOINTER_TO_UINT (g_hash_table_lookup (info->patch_to_got_offset_by_type [ji->type], ji));
3507 return got_offset - 1;
3510 got_offset = acfg->llvm_got_offset;
3511 acfg->llvm_got_offset ++;
3513 got_offset = acfg->got_offset;
3514 acfg->got_offset ++;
3517 acfg->stats.got_slots ++;
3518 acfg->stats.got_slot_types [ji->type] ++;
3520 g_hash_table_insert (info->patch_to_got_offset, ji, GUINT_TO_POINTER (got_offset + 1));
3521 g_hash_table_insert (info->patch_to_got_offset_by_type [ji->type], ji, GUINT_TO_POINTER (got_offset + 1));
3522 g_ptr_array_add (info->got_patches, ji);
3527 /* Add a method to the list of methods which need to be emitted */
3529 add_method_with_index (MonoAotCompile *acfg, MonoMethod *method, int index, gboolean extra)
3532 if (!g_hash_table_lookup (acfg->method_indexes, method)) {
3533 g_ptr_array_add (acfg->methods, method);
3534 g_hash_table_insert (acfg->method_indexes, method, GUINT_TO_POINTER (index + 1));
3535 acfg->nmethods = acfg->methods->len + 1;
3538 if (method->wrapper_type || extra)
3539 g_ptr_array_add (acfg->extra_methods, method);
3543 prefer_gsharedvt_method (MonoAotCompile *acfg, MonoMethod *method)
3545 /* One instantiation with valuetypes is generated for each async method */
3546 if (method->klass->image == mono_defaults.corlib && (!strcmp (method->klass->name, "AsyncMethodBuilderCore") || !strcmp (method->klass->name, "AsyncVoidMethodBuilder")))
3553 get_method_index (MonoAotCompile *acfg, MonoMethod *method)
3555 int index = GPOINTER_TO_UINT (g_hash_table_lookup (acfg->method_indexes, method));
3563 add_method_full (MonoAotCompile *acfg, MonoMethod *method, gboolean extra, int depth)
3567 index = GPOINTER_TO_UINT (g_hash_table_lookup (acfg->method_indexes, method));
3571 index = acfg->method_index;
3572 add_method_with_index (acfg, method, index, extra);
3574 g_ptr_array_add (acfg->method_order, GUINT_TO_POINTER (index));
3576 g_hash_table_insert (acfg->method_depth, method, GUINT_TO_POINTER (depth));
3578 acfg->method_index ++;
3584 add_method (MonoAotCompile *acfg, MonoMethod *method)
3586 return add_method_full (acfg, method, FALSE, 0);
3590 add_extra_method_with_depth (MonoAotCompile *acfg, MonoMethod *method, int depth)
3592 if (mono_method_is_generic_sharable_full (method, TRUE, TRUE, FALSE))
3593 method = mini_get_shared_method (method);
3594 else if ((acfg->opts & MONO_OPT_GSHAREDVT) && prefer_gsharedvt_method (acfg, method) && mono_method_is_generic_sharable_full (method, FALSE, FALSE, TRUE))
3595 /* Use the gsharedvt version */
3596 method = mini_get_shared_method_full (method, TRUE, TRUE);
3598 if (acfg->aot_opts.log_generics)
3599 aot_printf (acfg, "%*sAdding method %s.\n", depth, "", mono_method_get_full_name (method));
3601 add_method_full (acfg, method, TRUE, depth);
3605 add_extra_method (MonoAotCompile *acfg, MonoMethod *method)
3607 add_extra_method_with_depth (acfg, method, 0);
3611 add_jit_icall_wrapper (gpointer key, gpointer value, gpointer user_data)
3613 MonoAotCompile *acfg = (MonoAotCompile *)user_data;
3614 MonoJitICallInfo *callinfo = (MonoJitICallInfo *)value;
3615 MonoMethod *wrapper;
3621 name = g_strdup_printf ("__icall_wrapper_%s", callinfo->name);
3622 wrapper = mono_marshal_get_icall_wrapper (callinfo->sig, name, callinfo->func, TRUE);
3625 add_method (acfg, wrapper);
3629 get_runtime_invoke_sig (MonoMethodSignature *sig)
3631 MonoMethodBuilder *mb;
3634 mb = mono_mb_new (mono_defaults.object_class, "FOO", MONO_WRAPPER_NONE);
3635 m = mono_mb_create_method (mb, sig, 16);
3636 MonoMethod *invoke = mono_marshal_get_runtime_invoke (m, FALSE);
3642 get_runtime_invoke (MonoAotCompile *acfg, MonoMethod *method, gboolean virtual_)
3644 return mono_marshal_get_runtime_invoke (method, virtual_);
3648 can_marshal_struct (MonoClass *klass)
3650 MonoClassField *field;
3651 gboolean can_marshal = TRUE;
3652 gpointer iter = NULL;
3653 MonoMarshalType *info;
3656 if (mono_class_is_auto_layout (klass))
3659 info = mono_marshal_load_type_info (klass);
3661 /* Only allow a few field types to avoid asserts in the marshalling code */
3662 while ((field = mono_class_get_fields (klass, &iter))) {
3663 if ((field->type->attrs & FIELD_ATTRIBUTE_STATIC))
3666 switch (field->type->type) {
3671 case MONO_TYPE_BOOLEAN:
3674 case MONO_TYPE_CHAR:
3682 case MONO_TYPE_STRING:
3684 case MONO_TYPE_VALUETYPE:
3685 if (!mono_class_from_mono_type (field->type)->enumtype && !can_marshal_struct (mono_class_from_mono_type (field->type)))
3686 can_marshal = FALSE;
3688 case MONO_TYPE_SZARRAY: {
3689 gboolean has_mspec = FALSE;
3692 for (i = 0; i < info->num_fields; ++i) {
3693 if (info->fields [i].field == field && info->fields [i].mspec)
3698 can_marshal = FALSE;
3702 can_marshal = FALSE;
3708 /* Its hard to compute whenever these can be marshalled or not */
3709 if (!strcmp (klass->name_space, "System.Net.NetworkInformation.MacOsStructs") && strcmp (klass->name, "sockaddr_dl"))
3716 create_gsharedvt_inst (MonoAotCompile *acfg, MonoMethod *method, MonoGenericContext *ctx)
3718 /* Create a vtype instantiation */
3719 MonoGenericContext shared_context;
3721 MonoGenericInst *inst;
3722 MonoGenericContainer *container;
3723 MonoClass **constraints;
3726 memset (ctx, 0, sizeof (MonoGenericContext));
3728 if (mono_class_is_gtd (method->klass)) {
3729 shared_context = mono_class_get_generic_container (method->klass)->context;
3730 inst = shared_context.class_inst;
3732 args = g_new0 (MonoType*, inst->type_argc);
3733 for (i = 0; i < inst->type_argc; ++i) {
3734 args [i] = &mono_defaults.int_class->byval_arg;
3736 ctx->class_inst = mono_metadata_get_generic_inst (inst->type_argc, args);
3738 if (method->is_generic) {
3739 container = mono_method_get_generic_container (method);
3740 shared_context = container->context;
3741 inst = shared_context.method_inst;
3743 args = g_new0 (MonoType*, inst->type_argc);
3744 for (i = 0; i < container->type_argc; ++i) {
3745 MonoGenericParamInfo *info = &container->type_params [i].info;
3746 gboolean ref_only = FALSE;
3748 if (info && info->constraints) {
3749 constraints = info->constraints;
3751 while (*constraints) {
3752 MonoClass *cklass = *constraints;
3753 if (!(cklass == mono_defaults.object_class || (cklass->image == mono_defaults.corlib && !strcmp (cklass->name, "ValueType"))))
3754 /* Inflaring the method with our vtype would not be valid */
3761 args [i] = &mono_defaults.object_class->byval_arg;
3763 args [i] = &mono_defaults.int_class->byval_arg;
3765 ctx->method_inst = mono_metadata_get_generic_inst (inst->type_argc, args);
3770 add_wrappers (MonoAotCompile *acfg)
3772 MonoMethod *method, *m;
3774 MonoMethodSignature *sig, *csig;
3778 * FIXME: Instead of AOTing all the wrappers, it might be better to redesign them
3779 * so there is only one wrapper of a given type, or inlining their contents into their
3782 for (i = 0; i < acfg->image->tables [MONO_TABLE_METHOD].rows; ++i) {
3785 guint32 token = MONO_TOKEN_METHOD_DEF | (i + 1);
3786 gboolean skip = FALSE;
3788 method = mono_get_method_checked (acfg->image, token, NULL, NULL, &error);
3789 report_loader_error (acfg, &error, "Failed to load method token 0x%x due to %s\n", i, mono_error_get_message (&error));
3791 if ((method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL) ||
3792 (method->iflags & METHOD_IMPL_ATTRIBUTE_RUNTIME) ||
3793 (method->flags & METHOD_ATTRIBUTE_ABSTRACT))
3796 /* Skip methods which can not be handled by get_runtime_invoke () */
3797 sig = mono_method_signature (method);
3800 if ((sig->ret->type == MONO_TYPE_PTR) ||
3801 (sig->ret->type == MONO_TYPE_TYPEDBYREF))
3803 if (mono_class_is_open_constructed_type (sig->ret))
3806 for (j = 0; j < sig->param_count; j++) {
3807 if (sig->params [j]->type == MONO_TYPE_TYPEDBYREF)
3809 if (mono_class_is_open_constructed_type (sig->params [j]))
3813 #ifdef MONO_ARCH_DYN_CALL_SUPPORTED
3814 if (!mono_class_is_contextbound (method->klass)) {
3815 MonoDynCallInfo *info = mono_arch_dyn_call_prepare (sig);
3816 gboolean has_nullable = FALSE;
3818 for (j = 0; j < sig->param_count; j++) {
3819 if (sig->params [j]->type == MONO_TYPE_GENERICINST && mono_class_is_nullable (mono_class_from_mono_type (sig->params [j])))
3820 has_nullable = TRUE;
3823 if (info && !has_nullable && !acfg->aot_opts.llvm_only) {
3824 /* Supported by the dynamic runtime-invoke wrapper */
3828 mono_arch_dyn_call_free (info);
3832 if (acfg->aot_opts.llvm_only)
3833 /* Supported by the gsharedvt based runtime-invoke wrapper */
3837 //printf ("%s\n", mono_method_full_name (method, TRUE));
3838 add_method (acfg, get_runtime_invoke (acfg, method, FALSE));
3842 if (strcmp (acfg->image->assembly->aname.name, "mscorlib") == 0) {
3845 /* Runtime invoke wrappers */
3847 /* void runtime-invoke () [.cctor] */
3848 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 0);
3849 csig->ret = &mono_defaults.void_class->byval_arg;
3850 add_method (acfg, get_runtime_invoke_sig (csig));
3852 /* void runtime-invoke () [Finalize] */
3853 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 0);
3855 csig->ret = &mono_defaults.void_class->byval_arg;
3856 add_method (acfg, get_runtime_invoke_sig (csig));
3858 /* void runtime-invoke (string) [exception ctor] */
3859 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 1);
3861 csig->ret = &mono_defaults.void_class->byval_arg;
3862 csig->params [0] = &mono_defaults.string_class->byval_arg;
3863 add_method (acfg, get_runtime_invoke_sig (csig));
3865 /* void runtime-invoke (string, string) [exception ctor] */
3866 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 2);
3868 csig->ret = &mono_defaults.void_class->byval_arg;
3869 csig->params [0] = &mono_defaults.string_class->byval_arg;
3870 csig->params [1] = &mono_defaults.string_class->byval_arg;
3871 add_method (acfg, get_runtime_invoke_sig (csig));
3873 /* string runtime-invoke () [Exception.ToString ()] */
3874 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 0);
3876 csig->ret = &mono_defaults.string_class->byval_arg;
3877 add_method (acfg, get_runtime_invoke_sig (csig));
3879 /* void runtime-invoke (string, Exception) [exception ctor] */
3880 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 2);
3882 csig->ret = &mono_defaults.void_class->byval_arg;
3883 csig->params [0] = &mono_defaults.string_class->byval_arg;
3884 csig->params [1] = &mono_defaults.exception_class->byval_arg;
3885 add_method (acfg, get_runtime_invoke_sig (csig));
3887 /* Assembly runtime-invoke (string, Assembly, bool) [DoAssemblyResolve] */
3888 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
3890 csig->ret = &(mono_class_load_from_name (
3891 mono_defaults.corlib, "System.Reflection", "Assembly"))->byval_arg;
3892 csig->params [0] = &mono_defaults.string_class->byval_arg;
3893 csig->params [1] = &(mono_class_load_from_name (mono_defaults.corlib, "System.Reflection", "Assembly"))->byval_arg;
3894 csig->params [2] = &mono_defaults.boolean_class->byval_arg;
3895 add_method (acfg, get_runtime_invoke_sig (csig));
3897 /* runtime-invoke used by finalizers */
3898 add_method (acfg, get_runtime_invoke (acfg, mono_class_get_method_from_name_flags (mono_defaults.object_class, "Finalize", 0, 0), TRUE));
3900 /* This is used by mono_runtime_capture_context () */
3901 method = mono_get_context_capture_method ();
3903 add_method (acfg, get_runtime_invoke (acfg, method, FALSE));
3905 #ifdef MONO_ARCH_DYN_CALL_SUPPORTED
3906 if (!acfg->aot_opts.llvm_only)
3907 add_method (acfg, mono_marshal_get_runtime_invoke_dynamic ());
3910 /* These are used by mono_jit_runtime_invoke () to calls gsharedvt out wrappers */
3911 if (acfg->aot_opts.llvm_only) {
3914 /* Create simplified signatures which match the signature used by the gsharedvt out wrappers */
3915 for (variants = 0; variants < 4; ++variants) {
3916 for (i = 0; i < 16; ++i) {
3917 sig = mini_get_gsharedvt_out_sig_wrapper_signature ((variants & 1) > 0, (variants & 2) > 0, i);
3918 add_extra_method (acfg, mono_marshal_get_runtime_invoke_for_sig (sig));
3926 add_method (acfg, mono_marshal_get_stelemref ());
3928 if (MONO_ARCH_HAVE_TLS_GET) {
3929 /* Managed Allocators */
3930 nallocators = mono_gc_get_managed_allocator_types ();
3931 for (i = 0; i < nallocators; ++i) {
3932 if ((m = mono_gc_get_managed_allocator_by_type (i, MANAGED_ALLOCATOR_REGULAR)))
3933 add_method (acfg, m);
3934 if ((m = mono_gc_get_managed_allocator_by_type (i, MANAGED_ALLOCATOR_SLOW_PATH)))
3935 add_method (acfg, m);
3939 /* write barriers */
3940 if (mono_gc_is_moving ()) {
3941 add_method (acfg, mono_gc_get_specific_write_barrier (FALSE));
3942 add_method (acfg, mono_gc_get_specific_write_barrier (TRUE));
3945 /* Stelemref wrappers */
3947 MonoMethod **wrappers;
3950 wrappers = mono_marshal_get_virtual_stelemref_wrappers (&nwrappers);
3951 for (i = 0; i < nwrappers; ++i)
3952 add_method (acfg, wrappers [i]);
3956 /* castclass_with_check wrapper */
3957 add_method (acfg, mono_marshal_get_castclass_with_cache ());
3958 /* isinst_with_check wrapper */
3959 add_method (acfg, mono_marshal_get_isinst_with_cache ());
3961 /* JIT icall wrappers */
3962 /* FIXME: locking - this is "safe" as full-AOT threads don't mutate the icall hash*/
3963 g_hash_table_foreach (mono_get_jit_icall_info (), add_jit_icall_wrapper, acfg);
3967 * remoting-invoke-with-check wrappers are very frequent, so avoid emitting them,
3968 * we use the original method instead at runtime.
3969 * Since full-aot doesn't support remoting, this is not a problem.
3972 /* remoting-invoke wrappers */
3973 for (i = 0; i < acfg->image->tables [MONO_TABLE_METHOD].rows; ++i) {
3975 MonoMethodSignature *sig;
3977 token = MONO_TOKEN_METHOD_DEF | (i + 1);
3978 method = mono_get_method_checked (acfg->image, token, NULL, NULL, &error);
3979 g_assert (mono_error_ok (&error)); /* FIXME don't swallow the error */
3981 sig = mono_method_signature (method);
3983 if (sig->hasthis && (method->klass->marshalbyref || method->klass == mono_defaults.object_class)) {
3984 m = mono_marshal_get_remoting_invoke_with_check (method);
3986 add_method (acfg, m);
3991 /* delegate-invoke wrappers */
3992 for (i = 0; i < acfg->image->tables [MONO_TABLE_TYPEDEF].rows; ++i) {
3995 MonoCustomAttrInfo *cattr;
3997 token = MONO_TOKEN_TYPE_DEF | (i + 1);
3998 klass = mono_class_get_checked (acfg->image, token, &error);
4001 mono_error_cleanup (&error);
4005 if (!klass->delegate || klass == mono_defaults.delegate_class || klass == mono_defaults.multicastdelegate_class)
4008 if (!mono_class_is_gtd (klass)) {
4009 method = mono_get_delegate_invoke (klass);
4011 m = mono_marshal_get_delegate_invoke (method, NULL);
4013 add_method (acfg, m);
4015 method = mono_class_get_method_from_name_flags (klass, "BeginInvoke", -1, 0);
4017 add_method (acfg, mono_marshal_get_delegate_begin_invoke (method));
4019 method = mono_class_get_method_from_name_flags (klass, "EndInvoke", -1, 0);
4021 add_method (acfg, mono_marshal_get_delegate_end_invoke (method));
4023 cattr = mono_custom_attrs_from_class_checked (klass, &error);
4024 if (!is_ok (&error)) {
4025 mono_error_cleanup (&error);
4032 for (j = 0; j < cattr->num_attrs; ++j)
4033 if (cattr->attrs [j].ctor && (!strcmp (cattr->attrs [j].ctor->klass->name, "MonoNativeFunctionWrapperAttribute") || !strcmp (cattr->attrs [j].ctor->klass->name, "UnmanagedFunctionPointerAttribute")))
4035 if (j < cattr->num_attrs) {
4037 MonoMethod *wrapper;
4038 MonoMethod *del_invoke;
4040 /* Add wrappers needed by mono_ftnptr_to_delegate () */
4041 invoke = mono_get_delegate_invoke (klass);
4042 wrapper = mono_marshal_get_native_func_wrapper_aot (klass);
4043 del_invoke = mono_marshal_get_delegate_invoke_internal (invoke, FALSE, TRUE, wrapper);
4044 add_method (acfg, wrapper);
4045 add_method (acfg, del_invoke);
4048 } else if ((acfg->opts & MONO_OPT_GSHAREDVT) && mono_class_is_gtd (klass)) {
4050 MonoGenericContext ctx;
4051 MonoMethod *inst, *gshared;
4054 * Emit gsharedvt versions of the generic delegate-invoke wrappers
4057 method = mono_get_delegate_invoke (klass);
4058 create_gsharedvt_inst (acfg, method, &ctx);
4060 inst = mono_class_inflate_generic_method_checked (method, &ctx, &error);
4061 g_assert (mono_error_ok (&error)); /* FIXME don't swallow the error */
4063 m = mono_marshal_get_delegate_invoke (inst, NULL);
4064 g_assert (m->is_inflated);
4066 gshared = mini_get_shared_method_full (m, FALSE, TRUE);
4067 add_extra_method (acfg, gshared);
4070 method = mono_get_delegate_begin_invoke (klass);
4071 create_gsharedvt_inst (acfg, method, &ctx);
4073 inst = mono_class_inflate_generic_method_checked (method, &ctx, &error);
4074 g_assert (mono_error_ok (&error)); /* FIXME don't swallow the error */
4076 m = mono_marshal_get_delegate_begin_invoke (inst);
4077 g_assert (m->is_inflated);
4079 gshared = mini_get_shared_method_full (m, FALSE, TRUE);
4080 add_extra_method (acfg, gshared);
4083 method = mono_get_delegate_end_invoke (klass);
4084 create_gsharedvt_inst (acfg, method, &ctx);
4086 inst = mono_class_inflate_generic_method_checked (method, &ctx, &error);
4087 g_assert (mono_error_ok (&error)); /* FIXME don't swallow the error */
4089 m = mono_marshal_get_delegate_end_invoke (inst);
4090 g_assert (m->is_inflated);
4092 gshared = mini_get_shared_method_full (m, FALSE, TRUE);
4093 add_extra_method (acfg, gshared);
4098 /* array access wrappers */
4099 for (i = 0; i < acfg->image->tables [MONO_TABLE_TYPESPEC].rows; ++i) {
4103 token = MONO_TOKEN_TYPE_SPEC | (i + 1);
4104 klass = mono_class_get_checked (acfg->image, token, &error);
4107 mono_error_cleanup (&error);
4111 if (klass->rank && MONO_TYPE_IS_PRIMITIVE (&klass->element_class->byval_arg)) {
4112 MonoMethod *m, *wrapper;
4114 /* Add runtime-invoke wrappers too */
4116 m = mono_class_get_method_from_name (klass, "Get", -1);
4118 wrapper = mono_marshal_get_array_accessor_wrapper (m);
4119 add_extra_method (acfg, wrapper);
4120 if (!acfg->aot_opts.llvm_only)
4121 add_extra_method (acfg, get_runtime_invoke (acfg, wrapper, FALSE));
4123 m = mono_class_get_method_from_name (klass, "Set", -1);
4125 wrapper = mono_marshal_get_array_accessor_wrapper (m);
4126 add_extra_method (acfg, wrapper);
4127 if (!acfg->aot_opts.llvm_only)
4128 add_extra_method (acfg, get_runtime_invoke (acfg, wrapper, FALSE));
4132 /* Synchronized wrappers */
4133 for (i = 0; i < acfg->image->tables [MONO_TABLE_METHOD].rows; ++i) {
4135 token = MONO_TOKEN_METHOD_DEF | (i + 1);
4136 method = mono_get_method_checked (acfg->image, token, NULL, NULL, &error);
4137 report_loader_error (acfg, &error, "Failed to load method token 0x%x due to %s\n", i, mono_error_get_message (&error));
4139 if (method->iflags & METHOD_IMPL_ATTRIBUTE_SYNCHRONIZED) {
4140 if (method->is_generic) {
4142 } else if ((acfg->opts & MONO_OPT_GSHAREDVT) && mono_class_is_gtd (method->klass)) {
4144 MonoGenericContext ctx;
4145 MonoMethod *inst, *gshared, *m;
4148 * Create a generic wrapper for a generic instance, and AOT that.
4150 create_gsharedvt_inst (acfg, method, &ctx);
4151 inst = mono_class_inflate_generic_method_checked (method, &ctx, &error);
4152 g_assert (mono_error_ok (&error)); /* FIXME don't swallow the error */
4153 m = mono_marshal_get_synchronized_wrapper (inst);
4154 g_assert (m->is_inflated);
4155 gshared = mini_get_shared_method_full (m, FALSE, TRUE);
4156 add_method (acfg, gshared);
4158 add_method (acfg, mono_marshal_get_synchronized_wrapper (method));
4163 /* pinvoke wrappers */
4164 for (i = 0; i < acfg->image->tables [MONO_TABLE_METHOD].rows; ++i) {
4167 guint32 token = MONO_TOKEN_METHOD_DEF | (i + 1);
4169 method = mono_get_method_checked (acfg->image, token, NULL, NULL, &error);
4170 report_loader_error (acfg, &error, "Failed to load method token 0x%x due to %s\n", i, mono_error_get_message (&error));
4172 if ((method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL) ||
4173 (method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL)) {
4174 add_method (acfg, mono_marshal_get_native_wrapper (method, TRUE, TRUE));
4177 if (method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) {
4178 if (acfg->aot_opts.llvm_only) {
4179 /* The wrappers have a different signature (hasthis is not set) so need to add this too */
4180 add_gsharedvt_wrappers (acfg, mono_method_signature (method), FALSE, TRUE);
4185 /* native-to-managed wrappers */
4186 for (i = 0; i < acfg->image->tables [MONO_TABLE_METHOD].rows; ++i) {
4189 guint32 token = MONO_TOKEN_METHOD_DEF | (i + 1);
4190 MonoCustomAttrInfo *cattr;
4193 method = mono_get_method_checked (acfg->image, token, NULL, NULL, &error);
4194 report_loader_error (acfg, &error, "Failed to load method token 0x%x due to %s\n", i, mono_error_get_message (&error));
4197 * Only generate native-to-managed wrappers for methods which have an
4198 * attribute named MonoPInvokeCallbackAttribute. We search for the attribute by
4199 * name to avoid defining a new assembly to contain it.
4201 cattr = mono_custom_attrs_from_method_checked (method, &error);
4202 if (!is_ok (&error)) {
4203 char *name = mono_method_get_full_name (method);
4204 report_loader_error (acfg, &error, "Failed to load custom attributes from method %s due to %s\n", name, mono_error_get_message (&error));
4209 for (j = 0; j < cattr->num_attrs; ++j)
4210 if (cattr->attrs [j].ctor && !strcmp (cattr->attrs [j].ctor->klass->name, "MonoPInvokeCallbackAttribute"))
4212 if (j < cattr->num_attrs) {
4213 MonoCustomAttrEntry *e = &cattr->attrs [j];
4214 MonoMethodSignature *sig = mono_method_signature (e->ctor);
4215 const char *p = (const char*)e->data;
4217 int slen, num_named, named_type;
4221 char *export_name = NULL;
4222 MonoMethod *wrapper;
4224 /* this cannot be enforced by the C# compiler so we must give the user some warning before aborting */
4225 if (!(method->flags & METHOD_ATTRIBUTE_STATIC)) {
4226 g_warning ("AOT restriction: Method '%s' must be static since it is decorated with [MonoPInvokeCallback]. See http://ios.xamarin.com/Documentation/Limitations#Reverse_Callbacks",
4227 mono_method_full_name (method, TRUE));
4231 g_assert (sig->param_count == 1);
4232 g_assert (sig->params [0]->type == MONO_TYPE_CLASS && !strcmp (mono_class_from_mono_type (sig->params [0])->name, "Type"));
4235 * Decode the cattr manually since we can't create objects
4236 * during aot compilation.
4242 /* From load_cattr_value () in reflection.c */
4243 slen = mono_metadata_decode_value (p, &p);
4244 n = (char *)g_memdup (p, slen + 1);
4246 t = mono_reflection_type_from_name_checked (n, acfg->image, &error);
4248 mono_error_assert_ok (&error);
4251 klass = mono_class_from_mono_type (t);
4252 g_assert (klass->parent == mono_defaults.multicastdelegate_class);
4256 num_named = read16 (p);
4259 g_assert (num_named < 2);
4260 if (num_named == 1) {
4264 /* parse ExportSymbol attribute */
4266 named_type = *named;
4268 /* data_type = *named; */
4271 name_len = mono_metadata_decode_blob_size (named, &named);
4272 name = (char *)g_malloc (name_len + 1);
4273 memcpy (name, named, name_len);
4274 name [name_len] = 0;
4277 g_assert (named_type == 0x54);
4278 g_assert (!strcmp (name, "ExportSymbol"));
4280 /* load_cattr_value (), string case */
4281 g_assert (*named != (char)0xff);
4282 slen = mono_metadata_decode_value (named, &named);
4283 export_name = (char *)g_malloc (slen + 1);
4284 memcpy (export_name, named, slen);
4285 export_name [slen] = 0;
4289 wrapper = mono_marshal_get_managed_wrapper (method, klass, 0);
4290 add_method (acfg, wrapper);
4292 g_hash_table_insert (acfg->export_names, wrapper, export_name);
4297 if ((method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL) ||
4298 (method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL)) {
4299 add_method (acfg, mono_marshal_get_native_wrapper (method, TRUE, TRUE));
4303 /* StructureToPtr/PtrToStructure wrappers */
4304 for (i = 0; i < acfg->image->tables [MONO_TABLE_TYPEDEF].rows; ++i) {
4308 token = MONO_TOKEN_TYPE_DEF | (i + 1);
4309 klass = mono_class_get_checked (acfg->image, token, &error);
4312 mono_error_cleanup (&error);
4316 if (klass->valuetype && !mono_class_is_gtd (klass) && can_marshal_struct (klass) &&
4317 !(klass->nested_in && strstr (klass->nested_in->name, "<PrivateImplementationDetails>") == klass->nested_in->name)) {
4318 add_method (acfg, mono_marshal_get_struct_to_ptr (klass));
4319 add_method (acfg, mono_marshal_get_ptr_to_struct (klass));
4325 has_type_vars (MonoClass *klass)
4327 if ((klass->byval_arg.type == MONO_TYPE_VAR) || (klass->byval_arg.type == MONO_TYPE_MVAR))
4330 return has_type_vars (klass->element_class);
4331 if (mono_class_is_ginst (klass)) {
4332 MonoGenericContext *context = &mono_class_get_generic_class (klass)->context;
4333 if (context->class_inst) {
4336 for (i = 0; i < context->class_inst->type_argc; ++i)
4337 if (has_type_vars (mono_class_from_mono_type (context->class_inst->type_argv [i])))
4341 if (mono_class_is_gtd (klass))
4347 is_vt_inst (MonoGenericInst *inst)
4351 for (i = 0; i < inst->type_argc; ++i) {
4352 MonoType *t = inst->type_argv [i];
4353 if (MONO_TYPE_ISSTRUCT (t) || t->type == MONO_TYPE_VALUETYPE)
4360 method_has_type_vars (MonoMethod *method)
4362 if (has_type_vars (method->klass))
4365 if (method->is_inflated) {
4366 MonoGenericContext *context = mono_method_get_context (method);
4367 if (context->method_inst) {
4370 for (i = 0; i < context->method_inst->type_argc; ++i)
4371 if (has_type_vars (mono_class_from_mono_type (context->method_inst->type_argv [i])))
4379 gboolean mono_aot_mode_is_full (MonoAotOptions *opts)
4381 return opts->mode == MONO_AOT_MODE_FULL;
4385 gboolean mono_aot_mode_is_hybrid (MonoAotOptions *opts)
4387 return opts->mode == MONO_AOT_MODE_HYBRID;
4390 static void add_generic_class_with_depth (MonoAotCompile *acfg, MonoClass *klass, int depth, const char *ref);
4393 add_generic_class (MonoAotCompile *acfg, MonoClass *klass, gboolean force, const char *ref)
4395 /* This might lead to a huge code blowup so only do it if neccesary */
4396 if (!mono_aot_mode_is_full (&acfg->aot_opts) && !mono_aot_mode_is_hybrid (&acfg->aot_opts) && !force)
4399 add_generic_class_with_depth (acfg, klass, 0, ref);
4403 check_type_depth (MonoType *t, int depth)
4411 case MONO_TYPE_GENERICINST: {
4412 MonoGenericClass *gklass = t->data.generic_class;
4413 MonoGenericInst *ginst = gklass->context.class_inst;
4416 for (i = 0; i < ginst->type_argc; ++i) {
4417 if (check_type_depth (ginst->type_argv [i], depth + 1))
4431 add_types_from_method_header (MonoAotCompile *acfg, MonoMethod *method);
4434 * add_generic_class:
4436 * Add all methods of a generic class.
4439 add_generic_class_with_depth (MonoAotCompile *acfg, MonoClass *klass, int depth, const char *ref)
4442 MonoClassField *field;
4444 gboolean use_gsharedvt = FALSE;
4446 if (!acfg->ginst_hash)
4447 acfg->ginst_hash = g_hash_table_new (NULL, NULL);
4449 mono_class_init (klass);
4451 if (mono_class_is_ginst (klass) && mono_class_get_generic_class (klass)->context.class_inst->is_open)
4454 if (has_type_vars (klass))
4457 if (!mono_class_is_ginst (klass) && !klass->rank)
4460 if (mono_class_has_failure (klass))
4463 if (!acfg->ginst_hash)
4464 acfg->ginst_hash = g_hash_table_new (NULL, NULL);
4466 if (g_hash_table_lookup (acfg->ginst_hash, klass))
4469 if (check_type_depth (&klass->byval_arg, 0))
4472 if (acfg->aot_opts.log_generics)
4473 aot_printf (acfg, "%*sAdding generic instance %s [%s].\n", depth, "", mono_type_full_name (&klass->byval_arg), ref);
4475 g_hash_table_insert (acfg->ginst_hash, klass, klass);
4478 * Use gsharedvt for generic collections with vtype arguments to avoid code blowup.
4479 * Enable this only for some classes since gsharedvt might not support all methods.
4481 if ((acfg->opts & MONO_OPT_GSHAREDVT) && klass->image == mono_defaults.corlib && mono_class_is_ginst (klass) && mono_class_get_generic_class (klass)->context.class_inst && is_vt_inst (mono_class_get_generic_class (klass)->context.class_inst) &&
4482 (!strcmp (klass->name, "Dictionary`2") || !strcmp (klass->name, "List`1") || !strcmp (klass->name, "ReadOnlyCollection`1")))
4483 use_gsharedvt = TRUE;
4486 while ((method = mono_class_get_methods (klass, &iter))) {
4487 if ((acfg->opts & MONO_OPT_GSHAREDVT) && method->is_inflated && mono_method_get_context (method)->method_inst) {
4489 * This is partial sharing, and we can't handle it yet
4494 if (mono_method_is_generic_sharable_full (method, FALSE, FALSE, use_gsharedvt)) {
4496 add_types_from_method_header (acfg, method);
4500 if (method->is_generic)
4505 * FIXME: Instances which are referenced by these methods are not added,
4506 * for example Array.Resize<int> for List<int>.Add ().
4508 add_extra_method_with_depth (acfg, method, depth + 1);
4512 while ((field = mono_class_get_fields (klass, &iter))) {
4513 if (field->type->type == MONO_TYPE_GENERICINST)
4514 add_generic_class_with_depth (acfg, mono_class_from_mono_type (field->type), depth + 1, "field");
4517 if (klass->delegate) {
4518 method = mono_get_delegate_invoke (klass);
4520 method = mono_marshal_get_delegate_invoke (method, NULL);
4522 if (acfg->aot_opts.log_generics)
4523 aot_printf (acfg, "%*sAdding method %s.\n", depth, "", mono_method_get_full_name (method));
4525 add_method (acfg, method);
4528 /* Add superclasses */
4530 add_generic_class_with_depth (acfg, klass->parent, depth, "parent");
4533 * For ICollection<T>, add instances of the helper methods
4534 * in Array, since a T[] could be cast to ICollection<T>.
4536 if (klass->image == mono_defaults.corlib && !strcmp (klass->name_space, "System.Collections.Generic") &&
4537 (!strcmp(klass->name, "ICollection`1") || !strcmp (klass->name, "IEnumerable`1") || !strcmp (klass->name, "IList`1") || !strcmp (klass->name, "IEnumerator`1") || !strcmp (klass->name, "IReadOnlyList`1"))) {
4538 MonoClass *tclass = mono_class_from_mono_type (mono_class_get_generic_class (klass)->context.class_inst->type_argv [0]);
4539 MonoClass *array_class = mono_bounded_array_class_get (tclass, 1, FALSE);
4543 if (!strcmp (klass->name, "IEnumerator`1"))
4544 name_prefix = g_strdup_printf ("%s.%s", klass->name_space, "IEnumerable`1");
4546 name_prefix = g_strdup_printf ("%s.%s", klass->name_space, klass->name);
4548 /* Add the T[]/InternalEnumerator class */
4549 if (!strcmp (klass->name, "IEnumerable`1") || !strcmp (klass->name, "IEnumerator`1")) {
4554 while ((nclass = mono_class_get_nested_types (array_class->parent, &iter))) {
4555 if (!strcmp (nclass->name, "InternalEnumerator`1"))
4559 nclass = mono_class_inflate_generic_class_checked (nclass, mono_generic_class_get_context (mono_class_get_generic_class (klass)), &error);
4560 mono_error_assert_ok (&error); /* FIXME don't swallow the error */
4561 add_generic_class (acfg, nclass, FALSE, "ICollection<T>");
4565 while ((method = mono_class_get_methods (array_class, &iter))) {
4566 if (strstr (method->name, name_prefix)) {
4567 MonoMethod *m = mono_aot_get_array_helper_from_wrapper (method);
4569 add_extra_method_with_depth (acfg, m, depth);
4573 g_free (name_prefix);
4576 /* Add an instance of GenericComparer<T> which is created dynamically by Comparer<T> */
4577 if (klass->image == mono_defaults.corlib && !strcmp (klass->name_space, "System.Collections.Generic") && !strcmp (klass->name, "Comparer`1")) {
4579 MonoClass *tclass = mono_class_from_mono_type (mono_class_get_generic_class (klass)->context.class_inst->type_argv [0]);
4580 MonoClass *icomparable, *gcomparer, *icomparable_inst;
4581 MonoGenericContext ctx;
4582 MonoType *args [16];
4584 memset (&ctx, 0, sizeof (ctx));
4586 icomparable = mono_class_load_from_name (mono_defaults.corlib, "System", "IComparable`1");
4588 args [0] = &tclass->byval_arg;
4589 ctx.class_inst = mono_metadata_get_generic_inst (1, args);
4591 icomparable_inst = mono_class_inflate_generic_class_checked (icomparable, &ctx, &error);
4592 mono_error_assert_ok (&error); /* FIXME don't swallow the error */
4594 if (mono_class_is_assignable_from (icomparable_inst, tclass)) {
4595 MonoClass *gcomparer_inst;
4596 gcomparer = mono_class_load_from_name (mono_defaults.corlib, "System.Collections.Generic", "GenericComparer`1");
4597 gcomparer_inst = mono_class_inflate_generic_class_checked (gcomparer, &ctx, &error);
4598 mono_error_assert_ok (&error); /* FIXME don't swallow the error */
4600 add_generic_class (acfg, gcomparer_inst, FALSE, "Comparer<T>");
4604 /* Add an instance of GenericEqualityComparer<T> which is created dynamically by EqualityComparer<T> */
4605 if (klass->image == mono_defaults.corlib && !strcmp (klass->name_space, "System.Collections.Generic") && !strcmp (klass->name, "EqualityComparer`1")) {
4607 MonoClass *tclass = mono_class_from_mono_type (mono_class_get_generic_class (klass)->context.class_inst->type_argv [0]);
4608 MonoClass *iface, *gcomparer, *iface_inst;
4609 MonoGenericContext ctx;
4610 MonoType *args [16];
4612 memset (&ctx, 0, sizeof (ctx));
4614 iface = mono_class_load_from_name (mono_defaults.corlib, "System", "IEquatable`1");
4616 args [0] = &tclass->byval_arg;
4617 ctx.class_inst = mono_metadata_get_generic_inst (1, args);
4619 iface_inst = mono_class_inflate_generic_class_checked (iface, &ctx, &error);
4620 mono_error_assert_ok (&error); /* FIXME don't swallow the error */
4622 if (mono_class_is_assignable_from (iface_inst, tclass)) {
4623 MonoClass *gcomparer_inst;
4626 gcomparer = mono_class_load_from_name (mono_defaults.corlib, "System.Collections.Generic", "GenericEqualityComparer`1");
4627 gcomparer_inst = mono_class_inflate_generic_class_checked (gcomparer, &ctx, &error);
4628 mono_error_assert_ok (&error); /* FIXME don't swallow the error */
4629 add_generic_class (acfg, gcomparer_inst, FALSE, "EqualityComparer<T>");
4633 /* Add an instance of EnumComparer<T> which is created dynamically by EqualityComparer<T> for enums */
4634 if (klass->image == mono_defaults.corlib && !strcmp (klass->name_space, "System.Collections.Generic") && !strcmp (klass->name, "EqualityComparer`1")) {
4635 MonoClass *enum_comparer;
4636 MonoClass *tclass = mono_class_from_mono_type (mono_class_get_generic_class (klass)->context.class_inst->type_argv [0]);
4637 MonoGenericContext ctx;
4638 MonoType *args [16];
4640 if (mono_class_is_enum (tclass)) {
4641 MonoClass *enum_comparer_inst;
4644 memset (&ctx, 0, sizeof (ctx));
4645 args [0] = &tclass->byval_arg;
4646 ctx.class_inst = mono_metadata_get_generic_inst (1, args);
4648 enum_comparer = mono_class_load_from_name (mono_defaults.corlib, "System.Collections.Generic", "EnumEqualityComparer`1");
4649 enum_comparer_inst = mono_class_inflate_generic_class_checked (enum_comparer, &ctx, &error);
4650 mono_error_assert_ok (&error); /* FIXME don't swallow the error */
4651 add_generic_class (acfg, enum_comparer_inst, FALSE, "EqualityComparer<T>");
4655 /* Add an instance of ObjectComparer<T> which is created dynamically by Comparer<T> for enums */
4656 if (klass->image == mono_defaults.corlib && !strcmp (klass->name_space, "System.Collections.Generic") && !strcmp (klass->name, "Comparer`1")) {
4657 MonoClass *comparer;
4658 MonoClass *tclass = mono_class_from_mono_type (mono_class_get_generic_class (klass)->context.class_inst->type_argv [0]);
4659 MonoGenericContext ctx;
4660 MonoType *args [16];
4662 if (mono_class_is_enum (tclass)) {
4663 MonoClass *comparer_inst;
4666 memset (&ctx, 0, sizeof (ctx));
4667 args [0] = &tclass->byval_arg;
4668 ctx.class_inst = mono_metadata_get_generic_inst (1, args);
4670 comparer = mono_class_load_from_name (mono_defaults.corlib, "System.Collections.Generic", "ObjectComparer`1");
4671 comparer_inst = mono_class_inflate_generic_class_checked (comparer, &ctx, &error);
4672 mono_error_assert_ok (&error); /* FIXME don't swallow the error */
4673 add_generic_class (acfg, comparer_inst, FALSE, "Comparer<T>");
4679 add_instances_of (MonoAotCompile *acfg, MonoClass *klass, MonoType **insts, int ninsts, gboolean force)
4682 MonoGenericContext ctx;
4683 MonoType *args [16];
4685 if (acfg->aot_opts.no_instances)
4688 memset (&ctx, 0, sizeof (ctx));
4690 for (i = 0; i < ninsts; ++i) {
4692 MonoClass *generic_inst;
4693 args [0] = insts [i];
4694 ctx.class_inst = mono_metadata_get_generic_inst (1, args);
4695 generic_inst = mono_class_inflate_generic_class_checked (klass, &ctx, &error);
4696 mono_error_assert_ok (&error); /* FIXME don't swallow the error */
4697 add_generic_class (acfg, generic_inst, force, "");
4702 add_types_from_method_header (MonoAotCompile *acfg, MonoMethod *method)
4705 MonoMethodHeader *header;
4706 MonoMethodSignature *sig;
4709 depth = GPOINTER_TO_UINT (g_hash_table_lookup (acfg->method_depth, method));
4711 sig = mono_method_signature (method);
4714 for (j = 0; j < sig->param_count; ++j)
4715 if (sig->params [j]->type == MONO_TYPE_GENERICINST)
4716 add_generic_class_with_depth (acfg, mono_class_from_mono_type (sig->params [j]), depth + 1, "arg");
4719 header = mono_method_get_header_checked (method, &error);
4722 for (j = 0; j < header->num_locals; ++j)
4723 if (header->locals [j]->type == MONO_TYPE_GENERICINST)
4724 add_generic_class_with_depth (acfg, mono_class_from_mono_type (header->locals [j]), depth + 1, "local");
4725 mono_metadata_free_mh (header);
4727 mono_error_cleanup (&error); /* FIXME report the error */
4733 * add_generic_instances:
4735 * Add instances referenced by the METHODSPEC/TYPESPEC table.
4738 add_generic_instances (MonoAotCompile *acfg)
4743 MonoGenericContext *context;
4745 if (acfg->aot_opts.no_instances)
4748 for (i = 0; i < acfg->image->tables [MONO_TABLE_METHODSPEC].rows; ++i) {
4750 token = MONO_TOKEN_METHOD_SPEC | (i + 1);
4751 method = mono_get_method_checked (acfg->image, token, NULL, NULL, &error);
4754 aot_printerrf (acfg, "Failed to load methodspec 0x%x due to %s.\n", token, mono_error_get_message (&error));
4755 aot_printerrf (acfg, "Run with MONO_LOG_LEVEL=debug for more information.\n");
4756 mono_error_cleanup (&error);
4760 if (method->klass->image != acfg->image)
4763 context = mono_method_get_context (method);
4765 if (context && ((context->class_inst && context->class_inst->is_open)))
4769 * For open methods, create an instantiation which can be passed to the JIT.
4770 * FIXME: Handle class_inst as well.
4772 if (context && context->method_inst && context->method_inst->is_open) {
4774 MonoGenericContext shared_context;
4775 MonoGenericInst *inst;
4776 MonoType **type_argv;
4778 MonoMethod *declaring_method;
4779 gboolean supported = TRUE;
4781 /* Check that the context doesn't contain open constructed types */
4782 if (context->class_inst) {
4783 inst = context->class_inst;
4784 for (i = 0; i < inst->type_argc; ++i) {
4785 if (MONO_TYPE_IS_REFERENCE (inst->type_argv [i]) || inst->type_argv [i]->type == MONO_TYPE_VAR || inst->type_argv [i]->type == MONO_TYPE_MVAR)
4787 if (mono_class_is_open_constructed_type (inst->type_argv [i]))
4791 if (context->method_inst) {
4792 inst = context->method_inst;
4793 for (i = 0; i < inst->type_argc; ++i) {
4794 if (MONO_TYPE_IS_REFERENCE (inst->type_argv [i]) || inst->type_argv [i]->type == MONO_TYPE_VAR || inst->type_argv [i]->type == MONO_TYPE_MVAR)
4796 if (mono_class_is_open_constructed_type (inst->type_argv [i]))
4804 memset (&shared_context, 0, sizeof (MonoGenericContext));
4806 inst = context->class_inst;
4808 type_argv = g_new0 (MonoType*, inst->type_argc);
4809 for (i = 0; i < inst->type_argc; ++i) {
4810 if (MONO_TYPE_IS_REFERENCE (inst->type_argv [i]) || inst->type_argv [i]->type == MONO_TYPE_VAR || inst->type_argv [i]->type == MONO_TYPE_MVAR)
4811 type_argv [i] = &mono_defaults.object_class->byval_arg;
4813 type_argv [i] = inst->type_argv [i];
4816 shared_context.class_inst = mono_metadata_get_generic_inst (inst->type_argc, type_argv);
4820 inst = context->method_inst;
4822 type_argv = g_new0 (MonoType*, inst->type_argc);
4823 for (i = 0; i < inst->type_argc; ++i) {
4824 if (MONO_TYPE_IS_REFERENCE (inst->type_argv [i]) || inst->type_argv [i]->type == MONO_TYPE_VAR || inst->type_argv [i]->type == MONO_TYPE_MVAR)
4825 type_argv [i] = &mono_defaults.object_class->byval_arg;
4827 type_argv [i] = inst->type_argv [i];
4830 shared_context.method_inst = mono_metadata_get_generic_inst (inst->type_argc, type_argv);
4834 if (method->is_generic || mono_class_is_gtd (method->klass))
4835 declaring_method = method;
4837 declaring_method = mono_method_get_declaring_generic_method (method);
4839 method = mono_class_inflate_generic_method_checked (declaring_method, &shared_context, &error);
4840 g_assert (mono_error_ok (&error)); /* FIXME don't swallow the error */
4844 * If the method is fully sharable, it was already added in place of its
4845 * generic definition.
4847 if (mono_method_is_generic_sharable_full (method, FALSE, FALSE, FALSE))
4851 * FIXME: Partially shared methods are not shared here, so we end up with
4852 * many identical methods.
4854 add_extra_method (acfg, method);
4857 for (i = 0; i < acfg->image->tables [MONO_TABLE_TYPESPEC].rows; ++i) {
4861 token = MONO_TOKEN_TYPE_SPEC | (i + 1);
4863 klass = mono_class_get_checked (acfg->image, token, &error);
4864 if (!klass || klass->rank) {
4865 mono_error_cleanup (&error);
4869 add_generic_class (acfg, klass, FALSE, "typespec");
4872 /* Add types of args/locals */
4873 for (i = 0; i < acfg->methods->len; ++i) {
4874 method = (MonoMethod *)g_ptr_array_index (acfg->methods, i);
4875 add_types_from_method_header (acfg, method);
4878 if (acfg->image == mono_defaults.corlib) {
4880 MonoType *insts [256];
4883 insts [ninsts ++] = &mono_defaults.byte_class->byval_arg;
4884 insts [ninsts ++] = &mono_defaults.sbyte_class->byval_arg;
4885 insts [ninsts ++] = &mono_defaults.int16_class->byval_arg;
4886 insts [ninsts ++] = &mono_defaults.uint16_class->byval_arg;
4887 insts [ninsts ++] = &mono_defaults.int32_class->byval_arg;
4888 insts [ninsts ++] = &mono_defaults.uint32_class->byval_arg;
4889 insts [ninsts ++] = &mono_defaults.int64_class->byval_arg;
4890 insts [ninsts ++] = &mono_defaults.uint64_class->byval_arg;
4891 insts [ninsts ++] = &mono_defaults.single_class->byval_arg;
4892 insts [ninsts ++] = &mono_defaults.double_class->byval_arg;
4893 insts [ninsts ++] = &mono_defaults.char_class->byval_arg;
4894 insts [ninsts ++] = &mono_defaults.boolean_class->byval_arg;
4896 /* Add GenericComparer<T> instances for primitive types for Enum.ToString () */
4897 klass = mono_class_try_load_from_name (acfg->image, "System.Collections.Generic", "GenericComparer`1");
4899 add_instances_of (acfg, klass, insts, ninsts, TRUE);
4900 klass = mono_class_try_load_from_name (acfg->image, "System.Collections.Generic", "GenericEqualityComparer`1");
4902 add_instances_of (acfg, klass, insts, ninsts, TRUE);
4904 /* Add instances of EnumEqualityComparer which are created by EqualityComparer<T> for enums */
4906 MonoClass *enum_comparer;
4907 MonoType *insts [16];
4911 insts [ninsts ++] = &mono_defaults.int32_class->byval_arg;
4912 insts [ninsts ++] = &mono_defaults.uint32_class->byval_arg;
4913 insts [ninsts ++] = &mono_defaults.uint16_class->byval_arg;
4914 insts [ninsts ++] = &mono_defaults.byte_class->byval_arg;
4915 enum_comparer = mono_class_load_from_name (mono_defaults.corlib, "System.Collections.Generic", "EnumEqualityComparer`1");
4916 add_instances_of (acfg, enum_comparer, insts, ninsts, FALSE);
4919 insts [ninsts ++] = &mono_defaults.int16_class->byval_arg;
4920 enum_comparer = mono_class_load_from_name (mono_defaults.corlib, "System.Collections.Generic", "ShortEnumEqualityComparer`1");
4921 add_instances_of (acfg, enum_comparer, insts, ninsts, FALSE);
4924 insts [ninsts ++] = &mono_defaults.sbyte_class->byval_arg;
4925 enum_comparer = mono_class_load_from_name (mono_defaults.corlib, "System.Collections.Generic", "SByteEnumEqualityComparer`1");
4926 add_instances_of (acfg, enum_comparer, insts, ninsts, FALSE);
4928 enum_comparer = mono_class_load_from_name (mono_defaults.corlib, "System.Collections.Generic", "LongEnumEqualityComparer`1");
4930 insts [ninsts ++] = &mono_defaults.int64_class->byval_arg;
4931 insts [ninsts ++] = &mono_defaults.uint64_class->byval_arg;
4932 add_instances_of (acfg, enum_comparer, insts, ninsts, FALSE);
4935 /* Add instances of the array generic interfaces for primitive types */
4936 /* This will add instances of the InternalArray_ helper methods in Array too */
4937 klass = mono_class_try_load_from_name (acfg->image, "System.Collections.Generic", "ICollection`1");
4939 add_instances_of (acfg, klass, insts, ninsts, TRUE);
4941 klass = mono_class_try_load_from_name (acfg->image, "System.Collections.Generic", "IList`1");
4943 add_instances_of (acfg, klass, insts, ninsts, TRUE);
4945 klass = mono_class_try_load_from_name (acfg->image, "System.Collections.Generic", "IEnumerable`1");
4947 add_instances_of (acfg, klass, insts, ninsts, TRUE);
4950 * Add a managed-to-native wrapper of Array.GetGenericValueImpl<object>, which is
4951 * used for all instances of GetGenericValueImpl by the AOT runtime.
4954 MonoGenericContext ctx;
4955 MonoType *args [16];
4956 MonoMethod *get_method;
4957 MonoClass *array_klass = mono_array_class_get (mono_defaults.object_class, 1)->parent;
4959 get_method = mono_class_get_method_from_name (array_klass, "GetGenericValueImpl", 2);
4963 memset (&ctx, 0, sizeof (ctx));
4964 args [0] = &mono_defaults.object_class->byval_arg;
4965 ctx.method_inst = mono_metadata_get_generic_inst (1, args);
4966 add_extra_method (acfg, mono_marshal_get_native_wrapper (mono_class_inflate_generic_method_checked (get_method, &ctx, &error), TRUE, TRUE));
4967 g_assert (mono_error_ok (&error)); /* FIXME don't swallow the error */
4971 /* Same for CompareExchange<T>/Exchange<T> */
4973 MonoGenericContext ctx;
4974 MonoType *args [16];
4976 MonoClass *interlocked_klass = mono_class_load_from_name (mono_defaults.corlib, "System.Threading", "Interlocked");
4977 gpointer iter = NULL;
4979 while ((m = mono_class_get_methods (interlocked_klass, &iter))) {
4980 if ((!strcmp (m->name, "CompareExchange") || !strcmp (m->name, "Exchange")) && m->is_generic) {
4982 memset (&ctx, 0, sizeof (ctx));
4983 args [0] = &mono_defaults.object_class->byval_arg;
4984 ctx.method_inst = mono_metadata_get_generic_inst (1, args);
4985 add_extra_method (acfg, mono_marshal_get_native_wrapper (mono_class_inflate_generic_method_checked (m, &ctx, &error), TRUE, TRUE));
4986 g_assert (mono_error_ok (&error)); /* FIXME don't swallow the error */
4991 /* Same for Volatile.Read/Write<T> */
4993 MonoGenericContext ctx;
4994 MonoType *args [16];
4996 MonoClass *volatile_klass = mono_class_try_load_from_name (mono_defaults.corlib, "System.Threading", "Volatile");
4997 gpointer iter = NULL;
4999 if (volatile_klass) {
5000 while ((m = mono_class_get_methods (volatile_klass, &iter))) {
5001 if ((!strcmp (m->name, "Read") || !strcmp (m->name, "Write")) && m->is_generic) {
5003 memset (&ctx, 0, sizeof (ctx));
5004 args [0] = &mono_defaults.object_class->byval_arg;
5005 ctx.method_inst = mono_metadata_get_generic_inst (1, args);
5006 add_extra_method (acfg, mono_marshal_get_native_wrapper (mono_class_inflate_generic_method_checked (m, &ctx, &error), TRUE, TRUE));
5007 g_assert (mono_error_ok (&error)); /* FIXME don't swallow the error */
5013 /* object[] accessor wrappers. */
5014 for (i = 1; i < 4; ++i) {
5015 MonoClass *obj_array_class = mono_array_class_get (mono_defaults.object_class, i);
5018 m = mono_class_get_method_from_name (obj_array_class, "Get", i);
5021 m = mono_marshal_get_array_accessor_wrapper (m);
5022 add_extra_method (acfg, m);
5024 m = mono_class_get_method_from_name (obj_array_class, "Address", i);
5027 m = mono_marshal_get_array_accessor_wrapper (m);
5028 add_extra_method (acfg, m);
5030 m = mono_class_get_method_from_name (obj_array_class, "Set", i + 1);
5033 m = mono_marshal_get_array_accessor_wrapper (m);
5034 add_extra_method (acfg, m);
5040 * is_direct_callable:
5042 * Return whenever the method identified by JI is directly callable without
5043 * going through the PLT.
5046 is_direct_callable (MonoAotCompile *acfg, MonoMethod *method, MonoJumpInfo *patch_info)
5048 if ((patch_info->type == MONO_PATCH_INFO_METHOD) && (patch_info->data.method->klass->image == acfg->image)) {
5049 MonoCompile *callee_cfg = (MonoCompile *)g_hash_table_lookup (acfg->method_to_cfg, patch_info->data.method);
5051 gboolean direct_callable = TRUE;
5053 if (direct_callable && !(!callee_cfg->has_got_slots && mono_class_is_before_field_init (callee_cfg->method->klass)))
5054 direct_callable = FALSE;
5055 if ((callee_cfg->method->iflags & METHOD_IMPL_ATTRIBUTE_SYNCHRONIZED) && (!method || method->wrapper_type != MONO_WRAPPER_SYNCHRONIZED))
5056 // FIXME: Maybe call the wrapper directly ?
5057 direct_callable = FALSE;
5059 if (acfg->aot_opts.soft_debug || acfg->aot_opts.no_direct_calls) {
5060 /* Disable this so all calls go through load_method (), see the
5061 * mini_get_debug_options ()->load_aot_jit_info_eagerly = TRUE; line in
5062 * mono_debugger_agent_init ().
5064 direct_callable = FALSE;
5067 if (callee_cfg->method->wrapper_type == MONO_WRAPPER_ALLOC)
5068 /* sgen does some initialization when the allocator method is created */
5069 direct_callable = FALSE;
5070 if (callee_cfg->method->wrapper_type == MONO_WRAPPER_WRITE_BARRIER)
5071 /* we don't know at compile time whether sgen is concurrent or not */
5072 direct_callable = FALSE;
5074 if (direct_callable)
5077 } else if ((patch_info->type == MONO_PATCH_INFO_ICALL_ADDR_CALL && patch_info->data.method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL)) {
5078 if (acfg->aot_opts.direct_pinvoke)
5080 } else if (patch_info->type == MONO_PATCH_INFO_ICALL_ADDR_CALL) {
5081 if (acfg->aot_opts.direct_icalls)
5089 #ifdef MONO_ARCH_AOT_SUPPORTED
5091 get_pinvoke_import (MonoAotCompile *acfg, MonoMethod *method)
5093 MonoImage *image = method->klass->image;
5094 MonoMethodPInvoke *piinfo = (MonoMethodPInvoke *) method;
5095 MonoTableInfo *tables = image->tables;
5096 MonoTableInfo *im = &tables [MONO_TABLE_IMPLMAP];
5097 MonoTableInfo *mr = &tables [MONO_TABLE_MODULEREF];
5098 guint32 im_cols [MONO_IMPLMAP_SIZE];
5101 import = (char *)g_hash_table_lookup (acfg->method_to_pinvoke_import, method);
5105 if (!piinfo->implmap_idx || piinfo->implmap_idx > im->rows)
5108 mono_metadata_decode_row (im, piinfo->implmap_idx - 1, im_cols, MONO_IMPLMAP_SIZE);
5110 if (!im_cols [MONO_IMPLMAP_SCOPE] || im_cols [MONO_IMPLMAP_SCOPE] > mr->rows)
5113 import = g_strdup_printf ("%s", mono_metadata_string_heap (image, im_cols [MONO_IMPLMAP_NAME]));
5115 g_hash_table_insert (acfg->method_to_pinvoke_import, method, import);
5121 get_pinvoke_import (MonoAotCompile *acfg, MonoMethod *method)
5128 compare_lne (MonoDebugLineNumberEntry *a, MonoDebugLineNumberEntry *b)
5130 if (a->native_offset == b->native_offset)
5131 return a->il_offset - b->il_offset;
5133 return a->native_offset - b->native_offset;
5137 * compute_line_numbers:
5139 * Returns a sparse array of size CODE_SIZE containing MonoDebugSourceLocation* entries for the native offsets which have a corresponding line number
5142 static MonoDebugSourceLocation**
5143 compute_line_numbers (MonoMethod *method, int code_size, MonoDebugMethodJitInfo *debug_info)
5145 MonoDebugMethodInfo *minfo;
5146 MonoDebugLineNumberEntry *ln_array;
5147 MonoDebugSourceLocation *loc;
5148 int i, prev_line, prev_il_offset;
5149 int *native_to_il_offset = NULL;
5150 MonoDebugSourceLocation **res;
5153 minfo = mono_debug_lookup_method (method);
5156 // FIXME: This seems to happen when two methods have the same cfg->method_to_register
5157 if (debug_info->code_size != code_size)
5160 g_assert (code_size);
5162 /* Compute the native->IL offset mapping */
5164 ln_array = g_new0 (MonoDebugLineNumberEntry, debug_info->num_line_numbers);
5165 memcpy (ln_array, debug_info->line_numbers, debug_info->num_line_numbers * sizeof (MonoDebugLineNumberEntry));
5167 qsort (ln_array, debug_info->num_line_numbers, sizeof (MonoDebugLineNumberEntry), (int (*)(const void *, const void *))compare_lne);
5169 native_to_il_offset = g_new0 (int, code_size + 1);
5171 for (i = 0; i < debug_info->num_line_numbers; ++i) {
5173 MonoDebugLineNumberEntry *lne = &ln_array [i];
5176 for (j = 0; j < lne->native_offset; ++j)
5177 native_to_il_offset [j] = -1;
5180 if (i < debug_info->num_line_numbers - 1) {
5181 MonoDebugLineNumberEntry *lne_next = &ln_array [i + 1];
5183 for (j = lne->native_offset; j < lne_next->native_offset; ++j)
5184 native_to_il_offset [j] = lne->il_offset;
5186 for (j = lne->native_offset; j < code_size; ++j)
5187 native_to_il_offset [j] = lne->il_offset;
5192 /* Compute the native->line number mapping */
5193 res = g_new0 (MonoDebugSourceLocation*, code_size);
5194 prev_il_offset = -1;
5197 for (i = 0; i < code_size; ++i) {
5198 int il_offset = native_to_il_offset [i];
5200 if (il_offset == -1 || il_offset == prev_il_offset)
5202 prev_il_offset = il_offset;
5203 loc = mono_debug_symfile_lookup_location (minfo, il_offset);
5204 if (!(loc && loc->source_file))
5206 if (loc->row == prev_line) {
5207 mono_debug_symfile_free_location (loc);
5210 prev_line = loc->row;
5211 //printf ("D: %s:%d il=%x native=%x\n", loc->source_file, loc->row, il_offset, i);
5213 /* This will cover the prolog too */
5223 get_file_index (MonoAotCompile *acfg, const char *source_file)
5227 // FIXME: Free these
5228 if (!acfg->dwarf_ln_filenames)
5229 acfg->dwarf_ln_filenames = g_hash_table_new (g_str_hash, g_str_equal);
5230 findex = GPOINTER_TO_INT (g_hash_table_lookup (acfg->dwarf_ln_filenames, source_file));
5232 findex = g_hash_table_size (acfg->dwarf_ln_filenames) + 1;
5233 g_hash_table_insert (acfg->dwarf_ln_filenames, g_strdup (source_file), GINT_TO_POINTER (findex));
5234 emit_unset_mode (acfg);
5235 fprintf (acfg->fp, ".file %d \"%s\"\n", findex, mono_dwarf_escape_path (source_file));
5247 * emit_and_reloc_code:
5249 * Emit the native code in CODE, handling relocations along the way. If GOT_ONLY
5250 * is true, calls are made through the GOT too. This is used for emitting trampolines
5251 * in full-aot mode, since calls made from trampolines couldn't go through the PLT,
5252 * since trampolines are needed to make PTL work.
5255 emit_and_reloc_code (MonoAotCompile *acfg, MonoMethod *method, guint8 *code, guint32 code_len, MonoJumpInfo *relocs, gboolean got_only, MonoDebugMethodJitInfo *debug_info)
5257 int i, pindex, start_index;
5259 MonoJumpInfo *patch_info;
5260 MonoDebugSourceLocation **locs = NULL;
5261 gboolean skip, prologue_end = FALSE;
5262 #ifdef MONO_ARCH_AOT_SUPPORTED
5263 gboolean direct_call, external_call;
5265 const char *direct_call_target = 0;
5266 const char *direct_pinvoke;
5269 if (acfg->gas_line_numbers && method && debug_info) {
5270 locs = compute_line_numbers (method, code_len, debug_info);
5272 int findex = get_file_index (acfg, "<unknown>");
5273 emit_unset_mode (acfg);
5274 fprintf (acfg->fp, ".loc %d %d 0\n", findex, 1);
5278 /* Collect and sort relocations */
5279 patches = g_ptr_array_new ();
5280 for (patch_info = relocs; patch_info; patch_info = patch_info->next)
5281 g_ptr_array_add (patches, patch_info);
5282 g_ptr_array_sort (patches, compare_patches);
5285 for (i = 0; i < code_len; i += INST_LEN) {
5287 for (pindex = start_index; pindex < patches->len; ++pindex) {
5288 patch_info = (MonoJumpInfo *)g_ptr_array_index (patches, pindex);
5289 if (patch_info->ip.i >= i)
5293 if (locs && locs [i]) {
5294 MonoDebugSourceLocation *loc = locs [i];
5296 const char *options;
5298 findex = get_file_index (acfg, loc->source_file);
5299 emit_unset_mode (acfg);
5301 options = " prologue_end";
5304 prologue_end = TRUE;
5305 fprintf (acfg->fp, ".loc %d %d 0%s\n", findex, loc->row, options);
5306 mono_debug_symfile_free_location (loc);
5310 #ifdef MONO_ARCH_AOT_SUPPORTED
5311 if (patch_info && (patch_info->ip.i == i) && (pindex < patches->len)) {
5312 start_index = pindex;
5314 switch (patch_info->type) {
5315 case MONO_PATCH_INFO_NONE:
5317 case MONO_PATCH_INFO_GOT_OFFSET: {
5320 arch_emit_got_offset (acfg, code + i, &code_size);
5321 i += code_size - INST_LEN;
5323 patch_info->type = MONO_PATCH_INFO_NONE;
5326 case MONO_PATCH_INFO_OBJC_SELECTOR_REF: {
5327 int code_size, index;
5328 char *selector = (char *)patch_info->data.target;
5330 if (!acfg->objc_selector_to_index)
5331 acfg->objc_selector_to_index = g_hash_table_new (g_str_hash, g_str_equal);
5332 if (!acfg->objc_selectors)
5333 acfg->objc_selectors = g_ptr_array_new ();
5334 index = GPOINTER_TO_UINT (g_hash_table_lookup (acfg->objc_selector_to_index, selector));
5338 index = acfg->objc_selector_index;
5339 g_ptr_array_add (acfg->objc_selectors, (void*)patch_info->data.target);
5340 g_hash_table_insert (acfg->objc_selector_to_index, selector, GUINT_TO_POINTER (index + 1));
5341 acfg->objc_selector_index ++;
5344 arch_emit_objc_selector_ref (acfg, code + i, index, &code_size);
5345 i += code_size - INST_LEN;
5347 patch_info->type = MONO_PATCH_INFO_NONE;
5352 * If this patch is a call, try emitting a direct call instead of
5353 * through a PLT entry. This is possible if the called method is in
5354 * the same assembly and requires no initialization.
5356 direct_call = FALSE;
5357 external_call = FALSE;
5358 if ((patch_info->type == MONO_PATCH_INFO_METHOD) && (patch_info->data.method->klass->image == acfg->image)) {
5359 if (!got_only && is_direct_callable (acfg, method, patch_info)) {
5360 MonoCompile *callee_cfg = (MonoCompile *)g_hash_table_lookup (acfg->method_to_cfg, patch_info->data.method);
5361 //printf ("DIRECT: %s %s\n", method ? mono_method_full_name (method, TRUE) : "", mono_method_full_name (callee_cfg->method, TRUE));
5363 direct_call_target = callee_cfg->asm_symbol;
5364 patch_info->type = MONO_PATCH_INFO_NONE;
5365 acfg->stats.direct_calls ++;
5368 acfg->stats.all_calls ++;
5369 } else if (patch_info->type == MONO_PATCH_INFO_ICALL_ADDR_CALL) {
5370 if (!got_only && is_direct_callable (acfg, method, patch_info)) {
5371 if (!(patch_info->data.method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL))
5372 direct_pinvoke = mono_lookup_icall_symbol (patch_info->data.method);
5374 direct_pinvoke = get_pinvoke_import (acfg, patch_info->data.method);
5375 if (direct_pinvoke) {
5377 g_assert (strlen (direct_pinvoke) < 1000);
5378 direct_call_target = g_strdup_printf ("%s%s", acfg->user_symbol_prefix, direct_pinvoke);
5381 } else if (patch_info->type == MONO_PATCH_INFO_JIT_ICALL_ADDR) {
5382 const char *sym = mono_lookup_jit_icall_symbol (patch_info->data.name);
5383 if (!got_only && sym && acfg->aot_opts.direct_icalls) {
5384 /* Call to a C function implementing a jit icall */
5386 external_call = TRUE;
5387 g_assert (strlen (sym) < 1000);
5388 direct_call_target = g_strdup_printf ("%s%s", acfg->user_symbol_prefix, sym);
5390 } else if (patch_info->type == MONO_PATCH_INFO_INTERNAL_METHOD) {
5391 MonoJitICallInfo *info = mono_find_jit_icall_by_name (patch_info->data.name);
5392 const char *sym = mono_lookup_jit_icall_symbol (patch_info->data.name);
5393 if (!got_only && sym && acfg->aot_opts.direct_icalls && info->func == info->wrapper) {
5394 /* Call to a jit icall without a wrapper */
5396 external_call = TRUE;
5397 g_assert (strlen (sym) < 1000);
5398 direct_call_target = g_strdup_printf ("%s%s", acfg->user_symbol_prefix, sym);
5403 patch_info->type = MONO_PATCH_INFO_NONE;
5404 acfg->stats.direct_calls ++;
5407 if (!got_only && !direct_call) {
5408 MonoPltEntry *plt_entry = get_plt_entry (acfg, patch_info);
5410 /* This patch has a PLT entry, so we must emit a call to the PLT entry */
5412 direct_call_target = plt_entry->symbol;
5414 /* Nullify the patch */
5415 patch_info->type = MONO_PATCH_INFO_NONE;
5416 plt_entry->jit_used = TRUE;
5423 arch_emit_direct_call (acfg, direct_call_target, external_call, FALSE, patch_info, &call_size);
5424 i += call_size - INST_LEN;
5428 got_slot = get_got_offset (acfg, FALSE, patch_info);
5430 arch_emit_got_access (acfg, acfg->got_symbol, code + i, got_slot, &code_size);
5431 i += code_size - INST_LEN;
5437 #endif /* MONO_ARCH_AOT_SUPPORTED */
5440 /* Find next patch */
5442 for (pindex = start_index; pindex < patches->len; ++pindex) {
5443 patch_info = (MonoJumpInfo *)g_ptr_array_index (patches, pindex);
5444 if (patch_info->ip.i >= i)
5448 /* Try to emit multiple bytes at once */
5449 if (pindex < patches->len && patch_info->ip.i > i) {
5452 for (limit = i + INST_LEN; limit < patch_info->ip.i; limit += INST_LEN) {
5453 if (locs && locs [limit])
5457 emit_code_bytes (acfg, code + i, limit - i);
5458 i = limit - INST_LEN;
5460 emit_code_bytes (acfg, code + i, INST_LEN);
5465 g_ptr_array_free (patches, TRUE);
5472 * Return a modified version of S which only includes characters permissible in symbols.
5475 sanitize_symbol (MonoAotCompile *acfg, char *s)
5477 gboolean process = FALSE;
5486 for (i = 0; i < len; ++i)
5487 if (!(s [i] <= 0x7f && (isalnum (s [i]) || s [i] == '_')))
5492 gs = g_string_sized_new (len);
5493 for (i = 0; i < len; ++i) {
5495 if (c <= 0x7f && (isalnum (c) || c == '_')) {
5496 g_string_append_c (gs, c);
5497 } else if (c > 0x7f) {
5498 /* multi-byte utf8 */
5499 g_string_append_printf (gs, "_0x%x", c);
5502 while (c >> 6 == 0x2) {
5503 g_string_append_printf (gs, "%x", c);
5507 g_string_append_printf (gs, "_");
5510 g_string_append_c (gs, '_');
5514 res = mono_mempool_strdup (acfg->mempool, gs->str);
5515 g_string_free (gs, TRUE);
5520 get_debug_sym (MonoMethod *method, const char *prefix, GHashTable *cache)
5522 char *name1, *name2, *cached;
5523 int i, j, len, count;
5524 MonoMethod *cached_method;
5526 name1 = mono_method_full_name (method, TRUE);
5529 // This is so that we don't accidentally create a local symbol (which starts with 'L')
5530 if ((!prefix || !*prefix) && name1 [0] == 'L')
5534 #if defined(TARGET_WIN32) && defined(TARGET_X86)
5535 char adjustedPrefix [MAX_SYMBOL_SIZE];
5536 prefix = mangle_symbol (prefix, adjustedPrefix, G_N_ELEMENTS (adjustedPrefix));
5539 len = strlen (name1);
5540 name2 = (char *)malloc (strlen (prefix) + len + 16);
5541 memcpy (name2, prefix, strlen (prefix));
5542 j = strlen (prefix);
5543 for (i = 0; i < len; ++i) {
5544 if (i == 0 && name1 [0] >= '0' && name1 [0] <= '9') {
5546 } else if (isalnum (name1 [i])) {
5547 name2 [j ++] = name1 [i];
5548 } else if (name1 [i] == ' ' && name1 [i + 1] == '(' && name1 [i + 2] == ')') {
5550 } else if (name1 [i] == ',' && name1 [i + 1] == ' ') {
5553 } else if (name1 [i] == '(' || name1 [i] == ')' || name1 [i] == '>') {
5563 cached_method = (MonoMethod *)g_hash_table_lookup (cache, name2);
5564 if (!(cached_method && cached_method != method))
5566 sprintf (name2 + j, "_%d", count);
5570 cached = g_strdup (name2);
5571 g_hash_table_insert (cache, cached, method);
5577 emit_method_code (MonoAotCompile *acfg, MonoCompile *cfg)
5582 char *debug_sym = NULL;
5583 char *symbol = NULL;
5584 int func_alignment = AOT_FUNC_ALIGNMENT;
5587 method = cfg->orig_method;
5588 code = cfg->native_code;
5590 method_index = get_method_index (acfg, method);
5591 symbol = g_strdup_printf ("%sme_%x", acfg->temp_prefix, method_index);
5593 /* Make the labels local */
5594 emit_section_change (acfg, ".text", 0);
5595 emit_alignment_code (acfg, func_alignment);
5597 if (acfg->global_symbols && acfg->need_no_dead_strip)
5598 fprintf (acfg->fp, " .no_dead_strip %s\n", cfg->asm_symbol);
5600 emit_label (acfg, cfg->asm_symbol);
5602 if (acfg->aot_opts.write_symbols && !acfg->global_symbols && !acfg->llvm) {
5604 * Write a C style symbol for every method, this has two uses:
5605 * - it works on platforms where the dwarf debugging info is not
5607 * - it allows the setting of breakpoints of aot-ed methods.
5609 debug_sym = get_debug_sym (method, "", acfg->method_label_hash);
5610 cfg->asm_debug_symbol = g_strdup (debug_sym);
5612 if (acfg->need_no_dead_strip)
5613 fprintf (acfg->fp, " .no_dead_strip %s\n", debug_sym);
5614 emit_local_symbol (acfg, debug_sym, symbol, TRUE);
5615 emit_label (acfg, debug_sym);
5618 export_name = (char *)g_hash_table_lookup (acfg->export_names, method);
5620 /* Emit a global symbol for the method */
5621 emit_global_inner (acfg, export_name, TRUE);
5622 emit_label (acfg, export_name);
5625 if (cfg->verbose_level > 0)
5626 g_print ("Method %s emitted as %s\n", mono_method_get_full_name (method), cfg->asm_symbol);
5628 acfg->stats.code_size += cfg->code_len;
5630 acfg->cfgs [method_index]->got_offset = acfg->got_offset;
5632 emit_and_reloc_code (acfg, method, code, cfg->code_len, cfg->patch_info, FALSE, mono_debug_find_method (cfg->jit_info->d.method, mono_domain_get ()));
5636 if (acfg->aot_opts.write_symbols) {
5638 emit_symbol_size (acfg, debug_sym, ".");
5640 emit_symbol_size (acfg, cfg->asm_symbol, ".");
5644 emit_label (acfg, symbol);
5651 * Encode PATCH_INFO into its disk representation.
5654 encode_patch (MonoAotCompile *acfg, MonoJumpInfo *patch_info, guint8 *buf, guint8 **endbuf)
5658 switch (patch_info->type) {
5659 case MONO_PATCH_INFO_NONE:
5661 case MONO_PATCH_INFO_IMAGE:
5662 encode_value (get_image_index (acfg, patch_info->data.image), p, &p);
5664 case MONO_PATCH_INFO_MSCORLIB_GOT_ADDR:
5665 case MONO_PATCH_INFO_JIT_TLS_ID:
5666 case MONO_PATCH_INFO_GC_CARD_TABLE_ADDR:
5667 case MONO_PATCH_INFO_GC_NURSERY_START:
5668 case MONO_PATCH_INFO_GC_NURSERY_BITS:
5670 case MONO_PATCH_INFO_CASTCLASS_CACHE:
5671 encode_value (patch_info->data.index, p, &p);
5673 case MONO_PATCH_INFO_METHOD_REL:
5674 encode_value ((gint)patch_info->data.offset, p, &p);
5676 case MONO_PATCH_INFO_SWITCH: {
5677 gpointer *table = (gpointer *)patch_info->data.table->table;
5680 encode_value (patch_info->data.table->table_size, p, &p);
5681 for (k = 0; k < patch_info->data.table->table_size; k++)
5682 encode_value ((int)(gssize)table [k], p, &p);
5685 case MONO_PATCH_INFO_METHODCONST:
5686 case MONO_PATCH_INFO_METHOD:
5687 case MONO_PATCH_INFO_METHOD_JUMP:
5688 case MONO_PATCH_INFO_ICALL_ADDR:
5689 case MONO_PATCH_INFO_ICALL_ADDR_CALL:
5690 case MONO_PATCH_INFO_METHOD_RGCTX:
5691 case MONO_PATCH_INFO_METHOD_CODE_SLOT:
5692 encode_method_ref (acfg, patch_info->data.method, p, &p);
5694 case MONO_PATCH_INFO_AOT_JIT_INFO:
5695 encode_value (patch_info->data.index, p, &p);
5697 case MONO_PATCH_INFO_INTERNAL_METHOD:
5698 case MONO_PATCH_INFO_JIT_ICALL_ADDR: {
5699 guint32 len = strlen (patch_info->data.name);
5701 encode_value (len, p, &p);
5703 memcpy (p, patch_info->data.name, len);
5708 case MONO_PATCH_INFO_LDSTR: {
5709 guint32 image_index = get_image_index (acfg, patch_info->data.token->image);
5710 guint32 token = patch_info->data.token->token;
5711 g_assert (mono_metadata_token_code (token) == MONO_TOKEN_STRING);
5712 encode_value (image_index, p, &p);
5713 encode_value (patch_info->data.token->token - MONO_TOKEN_STRING, p, &p);
5716 case MONO_PATCH_INFO_RVA:
5717 case MONO_PATCH_INFO_DECLSEC:
5718 case MONO_PATCH_INFO_LDTOKEN:
5719 case MONO_PATCH_INFO_TYPE_FROM_HANDLE:
5720 encode_value (get_image_index (acfg, patch_info->data.token->image), p, &p);
5721 encode_value (patch_info->data.token->token, p, &p);
5722 encode_value (patch_info->data.token->has_context, p, &p);
5723 if (patch_info->data.token->has_context)
5724 encode_generic_context (acfg, &patch_info->data.token->context, p, &p);
5726 case MONO_PATCH_INFO_EXC_NAME: {
5727 MonoClass *ex_class;
5730 mono_class_load_from_name (mono_defaults.exception_class->image,
5731 "System", (const char *)patch_info->data.target);
5732 encode_klass_ref (acfg, ex_class, p, &p);
5735 case MONO_PATCH_INFO_R4:
5736 encode_value (*((guint32 *)patch_info->data.target), p, &p);
5738 case MONO_PATCH_INFO_R8:
5739 encode_value (((guint32 *)patch_info->data.target) [MINI_LS_WORD_IDX], p, &p);
5740 encode_value (((guint32 *)patch_info->data.target) [MINI_MS_WORD_IDX], p, &p);
5742 case MONO_PATCH_INFO_VTABLE:
5743 case MONO_PATCH_INFO_CLASS:
5744 case MONO_PATCH_INFO_IID:
5745 case MONO_PATCH_INFO_ADJUSTED_IID:
5746 encode_klass_ref (acfg, patch_info->data.klass, p, &p);
5748 case MONO_PATCH_INFO_DELEGATE_TRAMPOLINE:
5749 encode_klass_ref (acfg, patch_info->data.del_tramp->klass, p, &p);
5750 if (patch_info->data.del_tramp->method) {
5751 encode_value (1, p, &p);
5752 encode_method_ref (acfg, patch_info->data.del_tramp->method, p, &p);
5754 encode_value (0, p, &p);
5756 encode_value (patch_info->data.del_tramp->is_virtual, p, &p);
5758 case MONO_PATCH_INFO_FIELD:
5759 case MONO_PATCH_INFO_SFLDA:
5760 encode_field_info (acfg, patch_info->data.field, p, &p);
5762 case MONO_PATCH_INFO_INTERRUPTION_REQUEST_FLAG:
5764 case MONO_PATCH_INFO_RGCTX_FETCH:
5765 case MONO_PATCH_INFO_RGCTX_SLOT_INDEX: {
5766 MonoJumpInfoRgctxEntry *entry = patch_info->data.rgctx_entry;
5771 * entry->method has a lenghtly encoding and multiple rgctx_fetch entries
5772 * reference the same method, so encode the method only once.
5774 offset = GPOINTER_TO_UINT (g_hash_table_lookup (acfg->method_blob_hash, entry->method));
5776 buf2 = (guint8 *)g_malloc (1024);
5779 encode_method_ref (acfg, entry->method, p2, &p2);
5780 g_assert (p2 - buf2 < 1024);
5782 offset = add_to_blob (acfg, buf2, p2 - buf2);
5785 g_hash_table_insert (acfg->method_blob_hash, entry->method, GUINT_TO_POINTER (offset + 1));
5790 encode_value (offset, p, &p);
5791 g_assert ((int)entry->info_type < 256);
5792 g_assert (entry->data->type < 256);
5793 encode_value ((entry->in_mrgctx ? 1 : 0) | (entry->info_type << 1) | (entry->data->type << 9), p, &p);
5794 encode_patch (acfg, entry->data, p, &p);
5797 case MONO_PATCH_INFO_SEQ_POINT_INFO:
5798 case MONO_PATCH_INFO_AOT_MODULE:
5800 case MONO_PATCH_INFO_SIGNATURE:
5801 case MONO_PATCH_INFO_GSHAREDVT_IN_WRAPPER:
5802 encode_signature (acfg, (MonoMethodSignature*)patch_info->data.target, p, &p);
5804 case MONO_PATCH_INFO_TLS_OFFSET:
5805 encode_value (GPOINTER_TO_INT (patch_info->data.target), p, &p);
5807 case MONO_PATCH_INFO_GSHAREDVT_CALL:
5808 encode_signature (acfg, (MonoMethodSignature*)patch_info->data.gsharedvt->sig, p, &p);
5809 encode_method_ref (acfg, patch_info->data.gsharedvt->method, p, &p);
5811 case MONO_PATCH_INFO_GSHAREDVT_METHOD: {
5812 MonoGSharedVtMethodInfo *info = patch_info->data.gsharedvt_method;
5815 encode_method_ref (acfg, info->method, p, &p);
5816 encode_value (info->num_entries, p, &p);
5817 for (i = 0; i < info->num_entries; ++i) {
5818 MonoRuntimeGenericContextInfoTemplate *template_ = &info->entries [i];
5820 encode_value (template_->info_type, p, &p);
5821 switch (mini_rgctx_info_type_to_patch_info_type (template_->info_type)) {
5822 case MONO_PATCH_INFO_CLASS:
5823 encode_klass_ref (acfg, mono_class_from_mono_type ((MonoType *)template_->data), p, &p);
5825 case MONO_PATCH_INFO_FIELD:
5826 encode_field_info (acfg, (MonoClassField *)template_->data, p, &p);
5829 g_assert_not_reached ();
5835 case MONO_PATCH_INFO_LDSTR_LIT: {
5836 const char *s = (const char *)patch_info->data.target;
5837 int len = strlen (s);
5839 encode_value (len, p, &p);
5840 memcpy (p, s, len + 1);
5844 case MONO_PATCH_INFO_VIRT_METHOD:
5845 encode_klass_ref (acfg, patch_info->data.virt_method->klass, p, &p);
5846 encode_method_ref (acfg, patch_info->data.virt_method->method, p, &p);
5848 case MONO_PATCH_INFO_GC_SAFE_POINT_FLAG:
5849 case MONO_PATCH_INFO_GET_TLS_TRAMP:
5850 case MONO_PATCH_INFO_JIT_THREAD_ATTACH:
5853 g_warning ("unable to handle jump info %d", patch_info->type);
5854 g_assert_not_reached ();
5861 encode_patch_list (MonoAotCompile *acfg, GPtrArray *patches, int n_patches, gboolean llvm, int first_got_offset, guint8 *buf, guint8 **endbuf)
5864 guint32 pindex, offset;
5865 MonoJumpInfo *patch_info;
5867 encode_value (n_patches, p, &p);
5869 for (pindex = 0; pindex < patches->len; ++pindex) {
5870 patch_info = (MonoJumpInfo *)g_ptr_array_index (patches, pindex);
5872 if (patch_info->type == MONO_PATCH_INFO_NONE || patch_info->type == MONO_PATCH_INFO_BB)
5876 offset = get_got_offset (acfg, llvm, patch_info);
5877 encode_value (offset, p, &p);
5884 emit_method_info (MonoAotCompile *acfg, MonoCompile *cfg)
5887 int pindex, buf_size, n_patches;
5889 MonoJumpInfo *patch_info;
5890 guint32 method_index;
5892 guint32 first_got_offset;
5894 method = cfg->orig_method;
5896 method_index = get_method_index (acfg, method);
5898 /* Sort relocations */
5899 patches = g_ptr_array_new ();
5900 for (patch_info = cfg->patch_info; patch_info; patch_info = patch_info->next)
5901 g_ptr_array_add (patches, patch_info);
5902 g_ptr_array_sort (patches, compare_patches);
5904 first_got_offset = acfg->cfgs [method_index]->got_offset;
5906 /**********************/
5907 /* Encode method info */
5908 /**********************/
5910 buf_size = (patches->len < 1000) ? 40960 : 40960 + (patches->len * 64);
5911 p = buf = (guint8 *)g_malloc (buf_size);
5913 if (mono_class_get_cctor (method->klass)) {
5914 encode_value (1, p, &p);
5915 encode_klass_ref (acfg, method->klass, p, &p);
5917 /* Not needed when loading the method */
5918 encode_value (0, p, &p);
5921 g_assert (!(cfg->opt & MONO_OPT_SHARED));
5924 for (pindex = 0; pindex < patches->len; ++pindex) {
5925 patch_info = (MonoJumpInfo *)g_ptr_array_index (patches, pindex);
5927 if ((patch_info->type == MONO_PATCH_INFO_GOT_OFFSET) ||
5928 (patch_info->type == MONO_PATCH_INFO_NONE)) {
5929 patch_info->type = MONO_PATCH_INFO_NONE;
5934 if ((patch_info->type == MONO_PATCH_INFO_IMAGE) && (patch_info->data.image == acfg->image)) {
5935 /* Stored in a GOT slot initialized at module load time */
5936 patch_info->type = MONO_PATCH_INFO_NONE;
5940 if (patch_info->type == MONO_PATCH_INFO_GC_CARD_TABLE_ADDR ||
5941 patch_info->type == MONO_PATCH_INFO_GC_NURSERY_START ||
5942 patch_info->type == MONO_PATCH_INFO_GC_NURSERY_BITS ||
5943 patch_info->type == MONO_PATCH_INFO_AOT_MODULE) {
5944 /* Stored in a GOT slot initialized at module load time */
5945 patch_info->type = MONO_PATCH_INFO_NONE;
5949 if (is_plt_patch (patch_info) && !(cfg->compile_llvm && acfg->aot_opts.llvm_only)) {
5950 /* Calls are made through the PLT */
5951 patch_info->type = MONO_PATCH_INFO_NONE;
5959 g_assert (cfg->has_got_slots);
5961 encode_patch_list (acfg, patches, n_patches, cfg->compile_llvm, first_got_offset, p, &p);
5963 g_ptr_array_free (patches, TRUE);
5965 acfg->stats.info_size += p - buf;
5967 g_assert (p - buf < buf_size);
5969 cfg->method_info_offset = add_to_blob (acfg, buf, p - buf);
5974 get_unwind_info_offset (MonoAotCompile *acfg, guint8 *encoded, guint32 encoded_len)
5976 guint32 cache_index;
5979 /* Reuse the unwind module to canonize and store unwind info entries */
5980 cache_index = mono_cache_unwind_info (encoded, encoded_len);
5982 /* Use +/- 1 to distinguish 0s from missing entries */
5983 offset = GPOINTER_TO_UINT (g_hash_table_lookup (acfg->unwind_info_offsets, GUINT_TO_POINTER (cache_index + 1)));
5991 * It would be easier to use assembler symbols, but the caller needs an
5994 offset = acfg->unwind_info_offset;
5995 g_hash_table_insert (acfg->unwind_info_offsets, GUINT_TO_POINTER (cache_index + 1), GUINT_TO_POINTER (offset + 1));
5996 g_ptr_array_add (acfg->unwind_ops, GUINT_TO_POINTER (cache_index));
5999 encode_value (encoded_len, p, &p);
6001 acfg->unwind_info_offset += encoded_len + (p - buf);
6007 emit_exception_debug_info (MonoAotCompile *acfg, MonoCompile *cfg, gboolean store_seq_points)
6010 guint32 debug_info_size, seq_points_size;
6012 MonoMethodHeader *header;
6013 guint8 *p, *buf, *debug_info;
6014 MonoJitInfo *jinfo = cfg->jit_info;
6016 gboolean use_unwind_ops = FALSE;
6017 MonoSeqPointInfo *seq_points;
6019 code = cfg->native_code;
6020 header = cfg->header;
6022 if (!acfg->aot_opts.nodebug) {
6023 mono_debug_serialize_debug_info (cfg, &debug_info, &debug_info_size);
6026 debug_info_size = 0;
6029 seq_points = cfg->seq_point_info;
6030 seq_points_size = (store_seq_points)? mono_seq_point_info_get_write_size (seq_points) : 0;
6032 buf_size = header->num_clauses * 256 + debug_info_size + 2048 + seq_points_size + cfg->gc_map_size;
6034 p = buf = (guint8 *)g_malloc (buf_size);
6036 use_unwind_ops = cfg->unwind_ops != NULL;
6038 flags = (jinfo->has_generic_jit_info ? 1 : 0) | (use_unwind_ops ? 2 : 0) | (header->num_clauses ? 4 : 0) | (seq_points_size ? 8 : 0) | (cfg->compile_llvm ? 16 : 0) | (jinfo->has_try_block_holes ? 32 : 0) | (cfg->gc_map ? 64 : 0) | (jinfo->has_arch_eh_info ? 128 : 0);
6040 encode_value (flags, p, &p);
6042 if (use_unwind_ops) {
6043 guint32 encoded_len;
6045 guint32 unwind_desc;
6047 encoded = mono_unwind_ops_encode (cfg->unwind_ops, &encoded_len);
6049 unwind_desc = get_unwind_info_offset (acfg, encoded, encoded_len);
6050 encode_value (unwind_desc, p, &p);
6054 encode_value (jinfo->unwind_info, p, &p);
6057 /*Encode the number of holes before the number of clauses to make decoding easier*/
6058 if (jinfo->has_try_block_holes) {
6059 MonoTryBlockHoleTableJitInfo *table = mono_jit_info_get_try_block_hole_table_info (jinfo);
6060 encode_value (table->num_holes, p, &p);
6063 if (jinfo->has_arch_eh_info) {
6065 * In AOT mode, the code length is calculated from the address of the previous method,
6066 * which could include alignment padding, so calculating the start of the epilog as
6067 * code_len - epilog_size is correct any more. Save the real code len as a workaround.
6069 encode_value (jinfo->code_size, p, &p);
6072 /* Exception table */
6073 if (cfg->compile_llvm) {
6075 * When using LLVM, we can't emit some data, like pc offsets, this reg/offset etc.,
6076 * since the information is only available to llc. Instead, we let llc save the data
6077 * into the LSDA, and read it from there at runtime.
6079 /* The assembly might be CIL stripped so emit the data ourselves */
6080 if (header->num_clauses)
6081 encode_value (header->num_clauses, p, &p);
6083 for (k = 0; k < header->num_clauses; ++k) {
6084 MonoExceptionClause *clause;
6086 clause = &header->clauses [k];
6088 encode_value (clause->flags, p, &p);
6089 if (clause->data.catch_class) {
6090 encode_value (1, p, &p);
6091 encode_klass_ref (acfg, clause->data.catch_class, p, &p);
6093 encode_value (0, p, &p);
6096 /* Emit the IL ranges too, since they might not be available at runtime */
6097 encode_value (clause->try_offset, p, &p);
6098 encode_value (clause->try_len, p, &p);
6099 encode_value (clause->handler_offset, p, &p);
6100 encode_value (clause->handler_len, p, &p);
6102 /* Emit a list of nesting clauses */
6103 for (i = 0; i < header->num_clauses; ++i) {
6105 MonoExceptionClause *clause1 = &header->clauses [cindex1];
6107 MonoExceptionClause *clause2 = &header->clauses [cindex2];
6109 if (cindex1 != cindex2 && clause1->try_offset >= clause2->try_offset && clause1->handler_offset <= clause2->handler_offset)
6110 encode_value (i, p, &p);
6112 encode_value (-1, p, &p);
6115 if (jinfo->num_clauses)
6116 encode_value (jinfo->num_clauses, p, &p);
6118 for (k = 0; k < jinfo->num_clauses; ++k) {
6119 MonoJitExceptionInfo *ei = &jinfo->clauses [k];
6121 encode_value (ei->flags, p, &p);
6122 #ifdef MONO_CONTEXT_SET_LLVM_EXC_REG
6123 /* Not used for catch clauses */
6124 if (ei->flags != MONO_EXCEPTION_CLAUSE_NONE)
6125 encode_value (ei->exvar_offset, p, &p);
6127 encode_value (ei->exvar_offset, p, &p);
6130 if (ei->flags == MONO_EXCEPTION_CLAUSE_FILTER || ei->flags == MONO_EXCEPTION_CLAUSE_FINALLY)
6131 encode_value ((gint)((guint8*)ei->data.filter - code), p, &p);
6133 if (ei->data.catch_class) {
6137 buf2 = (guint8 *)g_malloc (4096);
6139 encode_klass_ref (acfg, ei->data.catch_class, p2, &p2);
6141 g_assert (len < 4096);
6142 encode_value (len, p, &p);
6143 memcpy (p, buf2, len);
6147 encode_value (0, p, &p);
6151 encode_value ((gint)((guint8*)ei->try_start - code), p, &p);
6152 encode_value ((gint)((guint8*)ei->try_end - code), p, &p);
6153 encode_value ((gint)((guint8*)ei->handler_start - code), p, &p);
6157 if (jinfo->has_try_block_holes) {
6158 MonoTryBlockHoleTableJitInfo *table = mono_jit_info_get_try_block_hole_table_info (jinfo);
6159 for (i = 0; i < table->num_holes; ++i) {
6160 MonoTryBlockHoleJitInfo *hole = &table->holes [i];
6161 encode_value (hole->clause, p, &p);
6162 encode_value (hole->length, p, &p);
6163 encode_value (hole->offset, p, &p);
6167 if (jinfo->has_arch_eh_info) {
6168 MonoArchEHJitInfo *eh_info;
6170 eh_info = mono_jit_info_get_arch_eh_info (jinfo);
6171 encode_value (eh_info->stack_size, p, &p);
6172 encode_value (eh_info->epilog_size, p, &p);
6175 if (jinfo->has_generic_jit_info) {
6176 MonoGenericJitInfo *gi = mono_jit_info_get_generic_jit_info (jinfo);
6177 MonoGenericSharingContext* gsctx = gi->generic_sharing_context;
6181 encode_value (gi->nlocs, p, &p);
6183 for (i = 0; i < gi->nlocs; ++i) {
6184 MonoDwarfLocListEntry *entry = &gi->locations [i];
6186 encode_value (entry->is_reg ? 1 : 0, p, &p);
6187 encode_value (entry->reg, p, &p);
6189 encode_value (entry->offset, p, &p);
6191 g_assert (entry->from == 0);
6193 encode_value (entry->from, p, &p);
6194 encode_value (entry->to, p, &p);
6197 if (!cfg->compile_llvm) {
6198 encode_value (gi->has_this ? 1 : 0, p, &p);
6199 encode_value (gi->this_reg, p, &p);
6200 encode_value (gi->this_offset, p, &p);
6205 * Need to encode jinfo->method too, since it is not equal to 'method'
6206 * when using generic sharing.
6208 buf2 = (guint8 *)g_malloc (4096);
6210 encode_method_ref (acfg, jinfo->d.method, p2, &p2);
6212 g_assert (len < 4096);
6213 encode_value (len, p, &p);
6214 memcpy (p, buf2, len);
6218 if (gsctx && gsctx->is_gsharedvt) {
6219 encode_value (1, p, &p);
6221 encode_value (0, p, &p);
6225 if (seq_points_size)
6226 p += mono_seq_point_info_write (seq_points, p);
6228 g_assert (debug_info_size < buf_size);
6230 encode_value (debug_info_size, p, &p);
6231 if (debug_info_size) {
6232 memcpy (p, debug_info, debug_info_size);
6233 p += debug_info_size;
6234 g_free (debug_info);
6239 encode_value (cfg->gc_map_size, p, &p);
6240 /* The GC map requires 4 bytes of alignment */
6241 while ((gsize)p % 4)
6243 memcpy (p, cfg->gc_map, cfg->gc_map_size);
6244 p += cfg->gc_map_size;
6247 acfg->stats.ex_info_size += p - buf;
6249 g_assert (p - buf < buf_size);
6252 /* The GC Map requires 4 byte alignment */
6253 cfg->ex_info_offset = add_to_blob_aligned (acfg, buf, p - buf, cfg->gc_map ? 4 : 1);
6258 emit_klass_info (MonoAotCompile *acfg, guint32 token)
6261 MonoClass *klass = mono_class_get_checked (acfg->image, token, &error);
6263 int i, buf_size, res;
6264 gboolean no_special_static, cant_encode;
6265 gpointer iter = NULL;
6268 mono_error_cleanup (&error);
6272 p = buf = (guint8 *)g_malloc (buf_size);
6274 /* Mark as unusable */
6275 encode_value (-1, p, &p);
6277 res = add_to_blob (acfg, buf, p - buf);
6283 buf_size = 10240 + (klass->vtable_size * 16);
6284 p = buf = (guint8 *)g_malloc (buf_size);
6288 mono_class_init (klass);
6290 mono_class_get_nested_types (klass, &iter);
6291 g_assert (klass->nested_classes_inited);
6293 mono_class_setup_vtable (klass);
6296 * Emit all the information which is required for creating vtables so
6297 * the runtime does not need to create the MonoMethod structures which
6298 * take up a lot of space.
6301 no_special_static = !mono_class_has_special_static_fields (klass);
6303 /* Check whenever we have enough info to encode the vtable */
6304 cant_encode = FALSE;
6305 for (i = 0; i < klass->vtable_size; ++i) {
6306 MonoMethod *cm = klass->vtable [i];
6308 if (cm && mono_method_signature (cm)->is_inflated && !g_hash_table_lookup (acfg->token_info_hash, cm))
6312 mono_class_has_finalizer (klass);
6313 if (mono_class_has_failure (klass))
6316 if (mono_class_is_gtd (klass) || cant_encode) {
6317 encode_value (-1, p, &p);
6319 gboolean has_nested = mono_class_get_nested_classes_property (klass) != NULL;
6320 encode_value (klass->vtable_size, p, &p);
6321 encode_value ((mono_class_is_gtd (klass) ? (1 << 8) : 0) | (no_special_static << 7) | (klass->has_static_refs << 6) | (klass->has_references << 5) | ((klass->blittable << 4) | (has_nested ? 1 : 0) << 3) | (klass->has_cctor << 2) | (klass->has_finalize << 1) | klass->ghcimpl, p, &p);
6322 if (klass->has_cctor)
6323 encode_method_ref (acfg, mono_class_get_cctor (klass), p, &p);
6324 if (klass->has_finalize)
6325 encode_method_ref (acfg, mono_class_get_finalizer (klass), p, &p);
6327 encode_value (klass->instance_size, p, &p);
6328 encode_value (mono_class_data_size (klass), p, &p);
6329 encode_value (klass->packing_size, p, &p);
6330 encode_value (klass->min_align, p, &p);
6332 for (i = 0; i < klass->vtable_size; ++i) {
6333 MonoMethod *cm = klass->vtable [i];
6336 encode_method_ref (acfg, cm, p, &p);
6338 encode_value (0, p, &p);
6342 acfg->stats.class_info_size += p - buf;
6344 g_assert (p - buf < buf_size);
6345 res = add_to_blob (acfg, buf, p - buf);
6352 get_plt_entry_debug_sym (MonoAotCompile *acfg, MonoJumpInfo *ji, GHashTable *cache)
6354 char *debug_sym = NULL;
6357 if (acfg->llvm && llvm_acfg->aot_opts.static_link) {
6358 /* Need to add a prefix to create unique symbols */
6359 prefix = g_strdup_printf ("plt_%s_", acfg->assembly_name_sym);
6361 #if defined(TARGET_WIN32) && defined(TARGET_X86)
6362 prefix = mangle_symbol_alloc ("plt_");
6364 prefix = g_strdup ("plt_");
6369 case MONO_PATCH_INFO_METHOD:
6370 debug_sym = get_debug_sym (ji->data.method, prefix, cache);
6372 case MONO_PATCH_INFO_INTERNAL_METHOD:
6373 debug_sym = g_strdup_printf ("%s_jit_icall_%s", prefix, ji->data.name);
6375 case MONO_PATCH_INFO_RGCTX_FETCH:
6376 debug_sym = g_strdup_printf ("%s_rgctx_fetch_%d", prefix, acfg->label_generator ++);
6378 case MONO_PATCH_INFO_ICALL_ADDR:
6379 case MONO_PATCH_INFO_ICALL_ADDR_CALL: {
6380 char *s = get_debug_sym (ji->data.method, "", cache);
6382 debug_sym = g_strdup_printf ("%s_icall_native_%s", prefix, s);
6386 case MONO_PATCH_INFO_JIT_ICALL_ADDR:
6387 debug_sym = g_strdup_printf ("%s_jit_icall_native_%s", prefix, ji->data.name);
6395 return sanitize_symbol (acfg, debug_sym);
6399 * Calls made from AOTed code are routed through a table of jumps similar to the
6400 * ELF PLT (Program Linkage Table). Initially the PLT entries jump to code which transfers
6401 * control to the AOT runtime through a trampoline.
6404 emit_plt (MonoAotCompile *acfg)
6408 if (acfg->aot_opts.llvm_only) {
6409 g_assert (acfg->plt_offset == 1);
6415 emit_section_change (acfg, ".text", 0);
6416 emit_alignment_code (acfg, 16);
6417 emit_info_symbol (acfg, "plt");
6418 emit_label (acfg, acfg->plt_symbol);
6420 for (i = 0; i < acfg->plt_offset; ++i) {
6421 char *debug_sym = NULL;
6422 MonoPltEntry *plt_entry = NULL;
6426 * The first plt entry is unused.
6430 plt_entry = (MonoPltEntry *)g_hash_table_lookup (acfg->plt_offset_to_entry, GUINT_TO_POINTER (i));
6432 debug_sym = plt_entry->debug_sym;
6434 if (acfg->thumb_mixed && !plt_entry->jit_used)
6435 /* Emit only a thumb version */
6438 /* Skip plt entries not actually called */
6439 if (!plt_entry->jit_used && !plt_entry->llvm_used)
6442 if (acfg->llvm && !acfg->thumb_mixed) {
6443 emit_label (acfg, plt_entry->llvm_symbol);
6445 emit_global_inner (acfg, plt_entry->llvm_symbol, TRUE);
6446 #if defined(TARGET_MACH)
6447 fprintf (acfg->fp, ".private_extern %s\n", plt_entry->llvm_symbol);
6453 if (acfg->need_no_dead_strip) {
6454 emit_unset_mode (acfg);
6455 fprintf (acfg->fp, " .no_dead_strip %s\n", debug_sym);
6457 emit_local_symbol (acfg, debug_sym, NULL, TRUE);
6458 emit_label (acfg, debug_sym);
6461 emit_label (acfg, plt_entry->symbol);
6463 arch_emit_plt_entry (acfg, acfg->got_symbol, (acfg->plt_got_offset_base + i) * sizeof (gpointer), acfg->plt_got_info_offsets [i]);
6466 emit_symbol_size (acfg, debug_sym, ".");
6469 if (acfg->thumb_mixed) {
6470 /* Make sure the ARM symbols don't alias the thumb ones */
6471 emit_zero_bytes (acfg, 16);
6474 * Emit a separate set of PLT entries using thumb2 which is called by LLVM generated
6477 for (i = 0; i < acfg->plt_offset; ++i) {
6478 char *debug_sym = NULL;
6479 MonoPltEntry *plt_entry = NULL;
6484 plt_entry = (MonoPltEntry *)g_hash_table_lookup (acfg->plt_offset_to_entry, GUINT_TO_POINTER (i));
6486 /* Skip plt entries not actually called by LLVM code */
6487 if (!plt_entry->llvm_used)
6490 if (acfg->aot_opts.write_symbols) {
6491 if (plt_entry->debug_sym)
6492 debug_sym = g_strdup_printf ("%s_thumb", plt_entry->debug_sym);
6496 #if defined(TARGET_MACH)
6497 fprintf (acfg->fp, " .thumb_func %s\n", debug_sym);
6498 fprintf (acfg->fp, " .no_dead_strip %s\n", debug_sym);
6500 emit_local_symbol (acfg, debug_sym, NULL, TRUE);
6501 emit_label (acfg, debug_sym);
6503 fprintf (acfg->fp, "\n.thumb_func\n");
6505 emit_label (acfg, plt_entry->llvm_symbol);
6508 emit_global_inner (acfg, plt_entry->llvm_symbol, TRUE);
6510 arch_emit_llvm_plt_entry (acfg, acfg->got_symbol, (acfg->plt_got_offset_base + i) * sizeof (gpointer), acfg->plt_got_info_offsets [i]);
6513 emit_symbol_size (acfg, debug_sym, ".");
6519 emit_symbol_size (acfg, acfg->plt_symbol, ".");
6521 emit_info_symbol (acfg, "plt_end");
6525 * emit_trampoline_full:
6527 * If EMIT_TINFO is TRUE, emit additional information which can be used to create a MonoJitInfo for this trampoline by
6528 * create_jit_info_for_trampoline ().
6530 static G_GNUC_UNUSED void
6531 emit_trampoline_full (MonoAotCompile *acfg, int got_offset, MonoTrampInfo *info, gboolean emit_tinfo)
6533 char start_symbol [MAX_SYMBOL_SIZE];
6534 char end_symbol [MAX_SYMBOL_SIZE];
6535 char symbol [MAX_SYMBOL_SIZE];
6536 guint32 buf_size, info_offset;
6537 MonoJumpInfo *patch_info;
6550 code_size = info->code_size;
6552 unwind_ops = info->unwind_ops;
6556 sprintf (start_symbol, "%s%s", acfg->user_symbol_prefix, name);
6558 emit_section_change (acfg, ".text", 0);
6559 emit_global (acfg, start_symbol, TRUE);
6560 emit_alignment_code (acfg, AOT_FUNC_ALIGNMENT);
6561 emit_label (acfg, start_symbol);
6563 sprintf (symbol, "%snamed_%s", acfg->temp_prefix, name);
6564 emit_label (acfg, symbol);
6567 * The code should access everything through the GOT, so we pass
6570 emit_and_reloc_code (acfg, NULL, code, code_size, ji, TRUE, NULL);
6572 emit_symbol_size (acfg, start_symbol, ".");
6575 sprintf (end_symbol, "%snamede_%s", acfg->temp_prefix, name);
6576 emit_label (acfg, end_symbol);
6581 /* Sort relocations */
6582 patches = g_ptr_array_new ();
6583 for (patch_info = ji; patch_info; patch_info = patch_info->next)
6584 if (patch_info->type != MONO_PATCH_INFO_NONE)
6585 g_ptr_array_add (patches, patch_info);
6586 g_ptr_array_sort (patches, compare_patches);
6588 buf_size = patches->len * 128 + 128;
6589 buf = (guint8 *)g_malloc (buf_size);
6592 encode_patch_list (acfg, patches, patches->len, FALSE, got_offset, p, &p);
6593 g_assert (p - buf < buf_size);
6594 g_ptr_array_free (patches, TRUE);
6596 sprintf (symbol, "%s%s_p", acfg->user_symbol_prefix, name);
6598 info_offset = add_to_blob (acfg, buf, p - buf);
6600 emit_section_change (acfg, RODATA_SECT, 0);
6601 emit_global (acfg, symbol, FALSE);
6602 emit_label (acfg, symbol);
6604 emit_int32 (acfg, info_offset);
6608 guint32 encoded_len;
6612 * Emit additional information which can be used to reconstruct a partial MonoTrampInfo.
6614 encoded = mono_unwind_ops_encode (info->unwind_ops, &encoded_len);
6615 uw_offset = get_unwind_info_offset (acfg, encoded, encoded_len);
6618 emit_symbol_diff (acfg, end_symbol, start_symbol, 0);
6619 emit_int32 (acfg, uw_offset);
6622 /* Emit debug info */
6624 char symbol2 [MAX_SYMBOL_SIZE];
6626 sprintf (symbol, "%s", name);
6627 sprintf (symbol2, "%snamed_%s", acfg->temp_prefix, name);
6630 mono_dwarf_writer_emit_trampoline (acfg->dwarf, symbol, symbol2, NULL, NULL, code_size, unwind_ops);
6636 static G_GNUC_UNUSED void
6637 emit_trampoline (MonoAotCompile *acfg, int got_offset, MonoTrampInfo *info)
6639 emit_trampoline_full (acfg, got_offset, info, TRUE);
6643 emit_trampolines (MonoAotCompile *acfg)
6645 char symbol [MAX_SYMBOL_SIZE];
6646 char end_symbol [MAX_SYMBOL_SIZE];
6647 int i, tramp_got_offset;
6649 #ifdef MONO_ARCH_HAVE_FULL_AOT_TRAMPOLINES
6653 if (!mono_aot_mode_is_full (&acfg->aot_opts) || acfg->aot_opts.llvm_only)
6656 g_assert (acfg->image->assembly);
6658 /* Currently, we emit most trampolines into the mscorlib AOT image. */
6659 if (strcmp (acfg->image->assembly->aname.name, "mscorlib") == 0) {
6660 #ifdef MONO_ARCH_HAVE_FULL_AOT_TRAMPOLINES
6661 MonoTrampInfo *info;
6664 * Emit the generic trampolines.
6666 * We could save some code by treating the generic trampolines as a wrapper
6667 * method, but that approach has its own complexities, so we choose the simpler
6670 for (tramp_type = 0; tramp_type < MONO_TRAMPOLINE_NUM; ++tramp_type) {
6671 /* we overload the boolean here to indicate the slightly different trampoline needed, see mono_arch_create_generic_trampoline() */
6672 #ifdef DISABLE_REMOTING
6673 if (tramp_type == MONO_TRAMPOLINE_GENERIC_VIRTUAL_REMOTING)
6676 #ifndef MONO_ARCH_HAVE_HANDLER_BLOCK_GUARD
6677 if (tramp_type == MONO_TRAMPOLINE_HANDLER_BLOCK_GUARD)
6680 mono_arch_create_generic_trampoline ((MonoTrampolineType)tramp_type, &info, acfg->aot_opts.use_trampolines_page? 2: TRUE);
6681 emit_trampoline (acfg, acfg->got_offset, info);
6684 /* Emit the exception related code pieces */
6685 mono_arch_get_restore_context (&info, TRUE);
6686 emit_trampoline (acfg, acfg->got_offset, info);
6687 mono_arch_get_call_filter (&info, TRUE);
6688 emit_trampoline (acfg, acfg->got_offset, info);
6689 mono_arch_get_throw_exception (&info, TRUE);
6690 emit_trampoline (acfg, acfg->got_offset, info);
6691 mono_arch_get_rethrow_exception (&info, TRUE);
6692 emit_trampoline (acfg, acfg->got_offset, info);
6693 mono_arch_get_throw_corlib_exception (&info, TRUE);
6694 emit_trampoline (acfg, acfg->got_offset, info);
6696 #ifdef MONO_ARCH_HAVE_SDB_TRAMPOLINES
6697 mono_arch_create_sdb_trampoline (TRUE, &info, TRUE);
6698 emit_trampoline (acfg, acfg->got_offset, info);
6699 mono_arch_create_sdb_trampoline (FALSE, &info, TRUE);
6700 emit_trampoline (acfg, acfg->got_offset, info);
6703 #ifdef MONO_ARCH_GSHAREDVT_SUPPORTED
6704 mono_arch_get_gsharedvt_trampoline (&info, TRUE);
6706 emit_trampoline_full (acfg, acfg->got_offset, info, TRUE);
6708 /* Create a separate out trampoline for more information in stack traces */
6709 info->name = g_strdup ("gsharedvt_out_trampoline");
6710 emit_trampoline_full (acfg, acfg->got_offset, info, TRUE);
6714 #if defined(MONO_ARCH_HAVE_GET_TRAMPOLINES)
6716 GSList *l = mono_arch_get_trampolines (TRUE);
6719 MonoTrampInfo *info = (MonoTrampInfo *)l->data;
6721 emit_trampoline (acfg, acfg->got_offset, info);
6727 for (i = 0; i < acfg->aot_opts.nrgctx_fetch_trampolines; ++i) {
6730 offset = MONO_RGCTX_SLOT_MAKE_RGCTX (i);
6731 mono_arch_create_rgctx_lazy_fetch_trampoline (offset, &info, TRUE);
6732 emit_trampoline (acfg, acfg->got_offset, info);
6735 offset = MONO_RGCTX_SLOT_MAKE_MRGCTX (i);
6736 mono_arch_create_rgctx_lazy_fetch_trampoline (offset, &info, TRUE);
6737 emit_trampoline (acfg, acfg->got_offset, info);
6741 #ifdef MONO_ARCH_HAVE_GENERAL_RGCTX_LAZY_FETCH_TRAMPOLINE
6742 mono_arch_create_general_rgctx_lazy_fetch_trampoline (&info, TRUE);
6743 emit_trampoline (acfg, acfg->got_offset, info);
6749 /* delegate_invoke_impl trampolines */
6750 l = mono_arch_get_delegate_invoke_impls ();
6752 MonoTrampInfo *info = (MonoTrampInfo *)l->data;
6754 emit_trampoline (acfg, acfg->got_offset, info);
6759 #ifdef MONO_ARCH_HAVE_HANDLER_BLOCK_GUARD_AOT
6760 mono_arch_create_handler_block_trampoline (&info, TRUE);
6761 emit_trampoline (acfg, acfg->got_offset, info);
6764 #endif /* #ifdef MONO_ARCH_HAVE_FULL_AOT_TRAMPOLINES */
6766 /* Emit trampolines which are numerous */
6769 * These include the following:
6770 * - specific trampolines
6771 * - static rgctx invoke trampolines
6773 * These trampolines have the same code, they are parameterized by GOT
6775 * They are defined in this file, in the arch_... routines instead of
6776 * in tramp-<ARCH>.c, since it is easier to do it this way.
6780 * When running in aot-only mode, we can't create specific trampolines at
6781 * runtime, so we create a few, and save them in the AOT file.
6782 * Normal trampolines embed their argument as a literal inside the
6783 * trampoline code, we can't do that here, so instead we embed an offset
6784 * which needs to be added to the trampoline address to get the address of
6785 * the GOT slot which contains the argument value.
6786 * The generated trampolines jump to the generic trampolines using another
6787 * GOT slot, which will be setup by the AOT loader to point to the
6788 * generic trampoline code of the given type.
6792 * FIXME: Maybe we should use more specific trampolines (i.e. one class init for
6796 emit_section_change (acfg, ".text", 0);
6798 tramp_got_offset = acfg->got_offset;
6800 for (ntype = 0; ntype < MONO_AOT_TRAMP_NUM; ++ntype) {
6802 case MONO_AOT_TRAMP_SPECIFIC:
6803 sprintf (symbol, "specific_trampolines");
6805 case MONO_AOT_TRAMP_STATIC_RGCTX:
6806 sprintf (symbol, "static_rgctx_trampolines");
6808 case MONO_AOT_TRAMP_IMT:
6809 sprintf (symbol, "imt_trampolines");
6811 case MONO_AOT_TRAMP_GSHAREDVT_ARG:
6812 sprintf (symbol, "gsharedvt_arg_trampolines");
6815 g_assert_not_reached ();
6818 sprintf (end_symbol, "%s_e", symbol);
6820 if (acfg->aot_opts.write_symbols)
6821 emit_local_symbol (acfg, symbol, end_symbol, TRUE);
6823 emit_alignment_code (acfg, AOT_FUNC_ALIGNMENT);
6824 emit_info_symbol (acfg, symbol);
6826 acfg->trampoline_got_offset_base [ntype] = tramp_got_offset;
6828 for (i = 0; i < acfg->num_trampolines [ntype]; ++i) {
6832 case MONO_AOT_TRAMP_SPECIFIC:
6833 arch_emit_specific_trampoline (acfg, tramp_got_offset, &tramp_size);
6834 tramp_got_offset += 2;
6836 case MONO_AOT_TRAMP_STATIC_RGCTX:
6837 arch_emit_static_rgctx_trampoline (acfg, tramp_got_offset, &tramp_size);
6838 tramp_got_offset += 2;
6840 case MONO_AOT_TRAMP_IMT:
6841 arch_emit_imt_trampoline (acfg, tramp_got_offset, &tramp_size);
6842 tramp_got_offset += 1;
6844 case MONO_AOT_TRAMP_GSHAREDVT_ARG:
6845 arch_emit_gsharedvt_arg_trampoline (acfg, tramp_got_offset, &tramp_size);
6846 tramp_got_offset += 2;
6849 g_assert_not_reached ();
6851 if (!acfg->trampoline_size [ntype]) {
6852 g_assert (tramp_size);
6853 acfg->trampoline_size [ntype] = tramp_size;
6857 emit_label (acfg, end_symbol);
6858 emit_int32 (acfg, 0);
6861 arch_emit_specific_trampoline_pages (acfg);
6863 /* Reserve some entries at the end of the GOT for our use */
6864 acfg->num_trampoline_got_entries = tramp_got_offset - acfg->got_offset;
6867 acfg->got_offset += acfg->num_trampoline_got_entries;
6871 str_begins_with (const char *str1, const char *str2)
6873 int len = strlen (str2);
6874 return strncmp (str1, str2, len) == 0;
6878 mono_aot_readonly_field_override (MonoClassField *field)
6881 for (rdv = readonly_values; rdv; rdv = rdv->next) {
6882 char *p = rdv->name;
6884 len = strlen (field->parent->name_space);
6885 if (strncmp (p, field->parent->name_space, len))
6890 len = strlen (field->parent->name);
6891 if (strncmp (p, field->parent->name, len))
6896 if (strcmp (p, field->name))
6898 switch (rdv->type) {
6900 return &rdv->value.i1;
6902 return &rdv->value.i2;
6904 return &rdv->value.i4;
6913 add_readonly_value (MonoAotOptions *opts, const char *val)
6918 /* the format of val is:
6919 * namespace.typename.fieldname=type/value
6920 * type can be i1 for uint8/int8/boolean, i2 for uint16/int16/char, i4 for uint32/int32
6922 fval = strrchr (val, '/');
6924 fprintf (stderr, "AOT : invalid format for readonly field '%s', missing /.\n", val);
6927 tval = strrchr (val, '=');
6929 fprintf (stderr, "AOT : invalid format for readonly field '%s', missing =.\n", val);
6932 rdv = g_new0 (ReadOnlyValue, 1);
6933 rdv->name = (char *)g_malloc0 (tval - val + 1);
6934 memcpy (rdv->name, val, tval - val);
6937 if (strncmp (tval, "i1", 2) == 0) {
6938 rdv->value.i1 = atoi (fval);
6939 rdv->type = MONO_TYPE_I1;
6940 } else if (strncmp (tval, "i2", 2) == 0) {
6941 rdv->value.i2 = atoi (fval);
6942 rdv->type = MONO_TYPE_I2;
6943 } else if (strncmp (tval, "i4", 2) == 0) {
6944 rdv->value.i4 = atoi (fval);
6945 rdv->type = MONO_TYPE_I4;
6947 fprintf (stderr, "AOT : unsupported type for readonly field '%s'.\n", tval);
6950 rdv->next = readonly_values;
6951 readonly_values = rdv;
6955 clean_path (gchar * path)
6960 if (g_str_has_suffix (path, G_DIR_SEPARATOR_S))
6963 gchar *clean = g_strconcat (path, G_DIR_SEPARATOR_S, NULL);
6970 wrap_path (gchar * path)
6976 // If the string contains no spaces, just return the original string.
6977 if (strstr (path, " ") == NULL)
6980 // If the string is already wrapped in quotes, return it.
6981 len = strlen (path);
6982 if (len >= 2 && path[0] == '\"' && path[len-1] == '\"')
6985 // If the string contains spaces, then wrap it in quotes.
6986 gchar *clean = g_strdup_printf ("\"%s\"", path);
6991 // Duplicate a char range and add it to a ptrarray, but only if it is nonempty
6993 ptr_array_add_range_if_nonempty(GPtrArray *args, gchar const *start, gchar const *end)
6995 ptrdiff_t len = end-start;
6997 g_ptr_array_add (args, g_strndup (start, len));
7001 mono_aot_split_options (const char *aot_options)
7003 enum MonoAotOptionState {
7004 MONO_AOT_OPTION_STATE_DEFAULT,
7005 MONO_AOT_OPTION_STATE_STRING,
7006 MONO_AOT_OPTION_STATE_ESCAPE,
7009 GPtrArray *args = g_ptr_array_new ();
7010 enum MonoAotOptionState state = MONO_AOT_OPTION_STATE_DEFAULT;
7011 gchar const *opt_start = aot_options;
7012 gboolean end_of_string = FALSE;
7015 g_return_val_if_fail (aot_options != NULL, NULL);
7017 while ((cur = *aot_options) != '\0') {
7018 if (state == MONO_AOT_OPTION_STATE_ESCAPE)
7023 // If we find a quote, then if we're in the default case then
7024 // it means we've found the start of a string, if not then it
7025 // means we've found the end of the string and should switch
7026 // back to the default case.
7028 case MONO_AOT_OPTION_STATE_DEFAULT:
7029 state = MONO_AOT_OPTION_STATE_STRING;
7031 case MONO_AOT_OPTION_STATE_STRING:
7032 state = MONO_AOT_OPTION_STATE_DEFAULT;
7034 case MONO_AOT_OPTION_STATE_ESCAPE:
7035 g_assert_not_reached ();
7040 // If we've found an escaping operator, then this means we
7041 // should not process the next character if inside a string.
7042 if (state == MONO_AOT_OPTION_STATE_STRING)
7043 state = MONO_AOT_OPTION_STATE_ESCAPE;
7046 // If we're in the default state then this means we've found
7047 // an option, store it for later processing.
7048 if (state == MONO_AOT_OPTION_STATE_DEFAULT)
7056 // If the next character is end of string, then process the last option.
7057 if (*(aot_options) == '\0') {
7058 end_of_string = TRUE;
7064 ptr_array_add_range_if_nonempty (args, opt_start, aot_options);
7065 opt_start = ++aot_options;
7068 goto restart; // Check for null and continue loop
7075 mono_aot_parse_options (const char *aot_options, MonoAotOptions *opts)
7079 args = mono_aot_split_options (aot_options ? aot_options : "");
7080 for (int i = 0; i < args->len; ++i) {
7081 const char *arg = (const char *)g_ptr_array_index (args, i);
7083 if (str_begins_with (arg, "outfile=")) {
7084 opts->outfile = g_strdup (arg + strlen ("outfile="));
7085 } else if (str_begins_with (arg, "llvm-outfile=")) {
7086 opts->llvm_outfile = g_strdup (arg + strlen ("llvm-outfile="));
7087 } else if (str_begins_with (arg, "temp-path=")) {
7088 opts->temp_path = clean_path (g_strdup (arg + strlen ("temp-path=")));
7089 } else if (str_begins_with (arg, "save-temps")) {
7090 opts->save_temps = TRUE;
7091 } else if (str_begins_with (arg, "keep-temps")) {
7092 opts->save_temps = TRUE;
7093 } else if (str_begins_with (arg, "write-symbols")) {
7094 opts->write_symbols = TRUE;
7095 } else if (str_begins_with (arg, "no-write-symbols")) {
7096 opts->write_symbols = FALSE;
7097 } else if (str_begins_with (arg, "metadata-only")) {
7098 opts->metadata_only = TRUE;
7099 } else if (str_begins_with (arg, "bind-to-runtime-version")) {
7100 opts->bind_to_runtime_version = TRUE;
7101 } else if (str_begins_with (arg, "full")) {
7102 opts->mode = MONO_AOT_MODE_FULL;
7103 } else if (str_begins_with (arg, "hybrid")) {
7104 opts->mode = MONO_AOT_MODE_HYBRID;
7105 } else if (str_begins_with (arg, "threads=")) {
7106 opts->nthreads = atoi (arg + strlen ("threads="));
7107 } else if (str_begins_with (arg, "static")) {
7108 opts->static_link = TRUE;
7109 opts->no_dlsym = TRUE;
7110 } else if (str_begins_with (arg, "asmonly")) {
7111 opts->asm_only = TRUE;
7112 } else if (str_begins_with (arg, "asmwriter")) {
7113 opts->asm_writer = TRUE;
7114 } else if (str_begins_with (arg, "nodebug")) {
7115 opts->nodebug = TRUE;
7116 } else if (str_begins_with (arg, "dwarfdebug")) {
7117 opts->dwarf_debug = TRUE;
7118 } else if (str_begins_with (arg, "nopagetrampolines")) {
7119 opts->use_trampolines_page = FALSE;
7120 } else if (str_begins_with (arg, "ntrampolines=")) {
7121 opts->ntrampolines = atoi (arg + strlen ("ntrampolines="));
7122 } else if (str_begins_with (arg, "nrgctx-trampolines=")) {
7123 opts->nrgctx_trampolines = atoi (arg + strlen ("nrgctx-trampolines="));
7124 } else if (str_begins_with (arg, "nrgctx-fetch-trampolines=")) {
7125 opts->nrgctx_fetch_trampolines = atoi (arg + strlen ("nrgctx-fetch-trampolines="));
7126 } else if (str_begins_with (arg, "nimt-trampolines=")) {
7127 opts->nimt_trampolines = atoi (arg + strlen ("nimt-trampolines="));
7128 } else if (str_begins_with (arg, "ngsharedvt-trampolines=")) {
7129 opts->ngsharedvt_arg_trampolines = atoi (arg + strlen ("ngsharedvt-trampolines="));
7130 } else if (str_begins_with (arg, "tool-prefix=")) {
7131 opts->tool_prefix = g_strdup (arg + strlen ("tool-prefix="));
7132 } else if (str_begins_with (arg, "ld-flags=")) {
7133 opts->ld_flags = g_strdup (arg + strlen ("ld-flags="));
7134 } else if (str_begins_with (arg, "soft-debug")) {
7135 opts->soft_debug = TRUE;
7136 } else if (str_begins_with (arg, "gen-seq-points-file=")) {
7137 fprintf (stderr, "Mono Warning: aot option gen-seq-points-file= is deprecated.\n");
7138 } else if (str_begins_with (arg, "gen-seq-points-file")) {
7139 fprintf (stderr, "Mono Warning: aot option gen-seq-points-file is deprecated.\n");
7140 } else if (str_begins_with (arg, "msym-dir=")) {
7141 debug_options.no_seq_points_compact_data = FALSE;
7142 opts->gen_msym_dir = TRUE;
7143 opts->gen_msym_dir_path = g_strdup (arg + strlen ("msym_dir="));;
7144 } else if (str_begins_with (arg, "direct-pinvoke")) {
7145 opts->direct_pinvoke = TRUE;
7146 } else if (str_begins_with (arg, "direct-icalls")) {
7147 opts->direct_icalls = TRUE;
7148 } else if (str_begins_with (arg, "no-direct-calls")) {
7149 opts->no_direct_calls = TRUE;
7150 } else if (str_begins_with (arg, "print-skipped")) {
7151 opts->print_skipped_methods = TRUE;
7152 } else if (str_begins_with (arg, "stats")) {
7154 } else if (str_begins_with (arg, "no-instances")) {
7155 opts->no_instances = TRUE;
7156 } else if (str_begins_with (arg, "log-generics")) {
7157 opts->log_generics = TRUE;
7158 } else if (str_begins_with (arg, "log-instances=")) {
7159 opts->log_instances = TRUE;
7160 opts->instances_logfile_path = g_strdup (arg + strlen ("log-instances="));
7161 } else if (str_begins_with (arg, "log-instances")) {
7162 opts->log_instances = TRUE;
7163 } else if (str_begins_with (arg, "internal-logfile=")) {
7164 opts->logfile = g_strdup (arg + strlen ("internal-logfile="));
7165 } else if (str_begins_with (arg, "mtriple=")) {
7166 opts->mtriple = g_strdup (arg + strlen ("mtriple="));
7167 } else if (str_begins_with (arg, "llvm-path=")) {
7168 opts->llvm_path = clean_path (g_strdup (arg + strlen ("llvm-path=")));
7169 } else if (!strcmp (arg, "llvm")) {
7171 } else if (str_begins_with (arg, "readonly-value=")) {
7172 add_readonly_value (opts, arg + strlen ("readonly-value="));
7173 } else if (str_begins_with (arg, "info")) {
7174 printf ("AOT target setup: %s.\n", AOT_TARGET_STR);
7176 } else if (str_begins_with (arg, "gc-maps")) {
7177 mini_gc_enable_gc_maps_for_aot ();
7178 } else if (str_begins_with (arg, "dump")) {
7179 opts->dump_json = TRUE;
7180 } else if (str_begins_with (arg, "llvmonly")) {
7181 opts->mode = MONO_AOT_MODE_FULL;
7183 opts->llvm_only = TRUE;
7184 } else if (str_begins_with (arg, "data-outfile=")) {
7185 opts->data_outfile = g_strdup (arg + strlen ("data-outfile="));
7186 } else if (str_begins_with (arg, "help") || str_begins_with (arg, "?")) {
7187 printf ("Supported options for --aot:\n");
7188 printf (" outfile=\n");
7189 printf (" llvm-outfile=\n");
7190 printf (" llvm-path=\n");
7191 printf (" temp-path=\n");
7192 printf (" save-temps\n");
7193 printf (" keep-temps\n");
7194 printf (" write-symbols\n");
7195 printf (" metadata-only\n");
7196 printf (" bind-to-runtime-version\n");
7198 printf (" threads=\n");
7199 printf (" static\n");
7200 printf (" asmonly\n");
7201 printf (" asmwriter\n");
7202 printf (" nodebug\n");
7203 printf (" dwarfdebug\n");
7204 printf (" ntrampolines=\n");
7205 printf (" nrgctx-trampolines=\n");
7206 printf (" nimt-trampolines=\n");
7207 printf (" ngsharedvt-trampolines=\n");
7208 printf (" tool-prefix=\n");
7209 printf (" readonly-value=\n");
7210 printf (" soft-debug\n");
7211 printf (" msym-dir=\n");
7212 printf (" gc-maps\n");
7213 printf (" print-skipped\n");
7214 printf (" no-instances\n");
7215 printf (" stats\n");
7218 printf (" help/?\n");
7221 fprintf (stderr, "AOT : Unknown argument '%s'.\n", arg);
7225 g_free ((gpointer) arg);
7228 if (opts->use_trampolines_page) {
7229 opts->ntrampolines = 0;
7230 opts->nrgctx_trampolines = 0;
7231 opts->nimt_trampolines = 0;
7232 opts->ngsharedvt_arg_trampolines = 0;
7235 g_ptr_array_free (args, /*free_seg=*/TRUE);
7239 add_token_info_hash (gpointer key, gpointer value, gpointer user_data)
7241 MonoMethod *method = (MonoMethod*)key;
7242 MonoJumpInfoToken *ji = (MonoJumpInfoToken*)value;
7243 MonoAotCompile *acfg = (MonoAotCompile *)user_data;
7244 MonoJumpInfoToken *new_ji;
7246 new_ji = (MonoJumpInfoToken *)mono_mempool_alloc0 (acfg->mempool, sizeof (MonoJumpInfoToken));
7247 new_ji->image = ji->image;
7248 new_ji->token = ji->token;
7249 g_hash_table_insert (acfg->token_info_hash, method, new_ji);
7253 can_encode_class (MonoAotCompile *acfg, MonoClass *klass)
7255 if (klass->type_token)
7257 if ((klass->byval_arg.type == MONO_TYPE_VAR) || (klass->byval_arg.type == MONO_TYPE_MVAR) || (klass->byval_arg.type == MONO_TYPE_PTR))
7260 return can_encode_class (acfg, klass->element_class);
7265 can_encode_method (MonoAotCompile *acfg, MonoMethod *method)
7267 if (method->wrapper_type) {
7268 switch (method->wrapper_type) {
7269 case MONO_WRAPPER_NONE:
7270 case MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK:
7271 case MONO_WRAPPER_XDOMAIN_INVOKE:
7272 case MONO_WRAPPER_STFLD:
7273 case MONO_WRAPPER_LDFLD:
7274 case MONO_WRAPPER_LDFLDA:
7275 case MONO_WRAPPER_STELEMREF:
7276 case MONO_WRAPPER_PROXY_ISINST:
7277 case MONO_WRAPPER_ALLOC:
7278 case MONO_WRAPPER_REMOTING_INVOKE:
7279 case MONO_WRAPPER_UNKNOWN:
7280 case MONO_WRAPPER_WRITE_BARRIER:
7281 case MONO_WRAPPER_DELEGATE_INVOKE:
7282 case MONO_WRAPPER_DELEGATE_BEGIN_INVOKE:
7283 case MONO_WRAPPER_DELEGATE_END_INVOKE:
7284 case MONO_WRAPPER_SYNCHRONIZED:
7286 case MONO_WRAPPER_MANAGED_TO_MANAGED:
7287 case MONO_WRAPPER_CASTCLASS: {
7288 WrapperInfo *info = mono_marshal_get_wrapper_info (method);
7297 //printf ("Skip (wrapper call): %d -> %s\n", patch_info->type, mono_method_full_name (patch_info->data.method, TRUE));
7301 if (!method->token) {
7302 /* The method is part of a constructed type like Int[,].Set (). */
7303 if (!g_hash_table_lookup (acfg->token_info_hash, method)) {
7304 if (method->klass->rank)
7314 can_encode_patch (MonoAotCompile *acfg, MonoJumpInfo *patch_info)
7316 switch (patch_info->type) {
7317 case MONO_PATCH_INFO_METHOD:
7318 case MONO_PATCH_INFO_METHODCONST:
7319 case MONO_PATCH_INFO_METHOD_CODE_SLOT: {
7320 MonoMethod *method = patch_info->data.method;
7322 return can_encode_method (acfg, method);
7324 case MONO_PATCH_INFO_VTABLE:
7325 case MONO_PATCH_INFO_CLASS:
7326 case MONO_PATCH_INFO_IID:
7327 case MONO_PATCH_INFO_ADJUSTED_IID:
7328 if (!can_encode_class (acfg, patch_info->data.klass)) {
7329 //printf ("Skip: %s\n", mono_type_full_name (&patch_info->data.klass->byval_arg));
7333 case MONO_PATCH_INFO_DELEGATE_TRAMPOLINE: {
7334 if (!can_encode_class (acfg, patch_info->data.del_tramp->klass)) {
7335 //printf ("Skip: %s\n", mono_type_full_name (&patch_info->data.klass->byval_arg));
7340 case MONO_PATCH_INFO_RGCTX_FETCH:
7341 case MONO_PATCH_INFO_RGCTX_SLOT_INDEX: {
7342 MonoJumpInfoRgctxEntry *entry = patch_info->data.rgctx_entry;
7344 if (!can_encode_method (acfg, entry->method))
7346 if (!can_encode_patch (acfg, entry->data))
7358 is_concrete_type (MonoType *t)
7363 if (t->type == MONO_TYPE_VAR || t->type == MONO_TYPE_MVAR)
7365 if (t->type == MONO_TYPE_GENERICINST) {
7366 MonoGenericContext *orig_ctx;
7367 MonoGenericInst *inst;
7370 if (!MONO_TYPE_ISSTRUCT (t))
7372 klass = mono_class_from_mono_type (t);
7373 orig_ctx = &mono_class_get_generic_class (klass)->context;
7375 inst = orig_ctx->class_inst;
7377 for (i = 0; i < inst->type_argc; ++i) {
7378 arg = mini_get_underlying_type (inst->type_argv [i]);
7379 if (!is_concrete_type (arg))
7383 inst = orig_ctx->method_inst;
7385 for (i = 0; i < inst->type_argc; ++i) {
7386 arg = mini_get_underlying_type (inst->type_argv [i]);
7387 if (!is_concrete_type (arg))
7395 /* LOCKING: Assumes the loader lock is held */
7397 add_gsharedvt_wrappers (MonoAotCompile *acfg, MonoMethodSignature *sig, gboolean gsharedvt_in, gboolean gsharedvt_out)
7399 MonoMethod *wrapper;
7400 gboolean concrete = TRUE;
7401 gboolean add_in = gsharedvt_in;
7402 gboolean add_out = gsharedvt_out;
7404 if (gsharedvt_in && g_hash_table_lookup (acfg->gsharedvt_in_signatures, sig))
7406 if (gsharedvt_out && g_hash_table_lookup (acfg->gsharedvt_out_signatures, sig))
7409 if (!add_in && !add_out)
7412 if (mini_is_gsharedvt_variable_signature (sig))
7416 g_hash_table_insert (acfg->gsharedvt_in_signatures, sig, sig);
7418 g_hash_table_insert (acfg->gsharedvt_out_signatures, sig, sig);
7420 if (!sig->has_type_parameters) {
7421 //printf ("%s\n", mono_signature_full_name (sig));
7424 wrapper = mini_get_gsharedvt_in_sig_wrapper (sig);
7425 add_extra_method (acfg, wrapper);
7427 if (gsharedvt_out) {
7428 wrapper = mini_get_gsharedvt_out_sig_wrapper (sig);
7429 add_extra_method (acfg, wrapper);
7432 /* For signatures creared during generic sharing, convert them to a concrete signature if possible */
7433 MonoMethodSignature *copy = mono_metadata_signature_dup (sig);
7436 //printf ("%s\n", mono_signature_full_name (sig));
7438 copy->ret = mini_get_underlying_type (sig->ret);
7439 if (!is_concrete_type (copy->ret))
7441 for (i = 0; i < sig->param_count; ++i) {
7442 copy->params [i] = mini_get_underlying_type (sig->params [i]);
7443 if (!is_concrete_type (copy->params [i]))
7447 copy->has_type_parameters = 0;
7450 wrapper = mini_get_gsharedvt_in_sig_wrapper (copy);
7451 add_extra_method (acfg, wrapper);
7454 if (gsharedvt_out) {
7455 wrapper = mini_get_gsharedvt_out_sig_wrapper (copy);
7456 add_extra_method (acfg, wrapper);
7459 //printf ("%s\n", mono_method_full_name (wrapper, 1));
7467 * AOT compile a given method.
7468 * This function might be called by multiple threads, so it must be thread-safe.
7471 compile_method (MonoAotCompile *acfg, MonoMethod *method)
7474 MonoJumpInfo *patch_info;
7477 MonoMethod *wrapped;
7481 if (acfg->aot_opts.metadata_only)
7484 mono_acfg_lock (acfg);
7485 index = get_method_index (acfg, method);
7486 mono_acfg_unlock (acfg);
7488 /* fixme: maybe we can also precompile wrapper methods */
7489 if ((method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL) ||
7490 (method->iflags & METHOD_IMPL_ATTRIBUTE_RUNTIME) ||
7491 (method->flags & METHOD_ATTRIBUTE_ABSTRACT)) {
7492 //printf ("Skip (impossible): %s\n", mono_method_full_name (method, TRUE));
7496 if (method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL)
7499 wrapped = mono_marshal_method_from_wrapper (method);
7500 if (wrapped && (wrapped->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) && wrapped->is_generic)
7501 // FIXME: The wrapper should be generic too, but it is not
7504 if (method->wrapper_type == MONO_WRAPPER_COMINTEROP)
7507 InterlockedIncrement (&acfg->stats.mcount);
7510 if (method->is_generic || mono_class_is_gtd (method->klass)) {
7511 InterlockedIncrement (&acfg->stats.genericcount);
7516 //acfg->aot_opts.print_skipped_methods = TRUE;
7519 * Since these methods are the only ones which are compiled with
7520 * AOT support, and they are not used by runtime startup/shutdown code,
7521 * the runtime will not see AOT methods during AOT compilation,so it
7522 * does not need to support them by creating a fake GOT etc.
7524 flags = JIT_FLAG_AOT;
7525 if (mono_aot_mode_is_full (&acfg->aot_opts))
7526 flags = (JitFlags)(flags | JIT_FLAG_FULL_AOT);
7528 flags = (JitFlags)(flags | JIT_FLAG_LLVM);
7529 if (acfg->aot_opts.llvm_only)
7530 flags = (JitFlags)(flags | JIT_FLAG_LLVM_ONLY | JIT_FLAG_EXPLICIT_NULL_CHECKS);
7531 if (acfg->aot_opts.no_direct_calls)
7532 flags = (JitFlags)(flags | JIT_FLAG_NO_DIRECT_ICALLS);
7533 if (acfg->aot_opts.direct_pinvoke)
7534 flags = (JitFlags)(flags | JIT_FLAG_DIRECT_PINVOKE);
7536 jit_timer = mono_time_track_start ();
7537 cfg = mini_method_compile (method, acfg->opts, mono_get_root_domain (), flags, 0, index);
7538 mono_time_track_end (&mono_jit_stats.jit_time, jit_timer);
7540 if (cfg->exception_type == MONO_EXCEPTION_GENERIC_SHARING_FAILED) {
7541 if (acfg->aot_opts.print_skipped_methods)
7542 printf ("Skip (gshared failure): %s (%s)\n", mono_method_get_full_name (method), cfg->exception_message);
7543 InterlockedIncrement (&acfg->stats.genericcount);
7546 if (cfg->exception_type != MONO_EXCEPTION_NONE) {
7547 if (acfg->aot_opts.print_skipped_methods)
7548 printf ("Skip (JIT failure): %s\n", mono_method_get_full_name (method));
7549 /* Let the exception happen at runtime */
7553 if (cfg->disable_aot) {
7554 if (acfg->aot_opts.print_skipped_methods)
7555 printf ("Skip (disabled): %s\n", mono_method_get_full_name (method));
7556 InterlockedIncrement (&acfg->stats.ocount);
7559 cfg->method_index = index;
7561 /* Nullify patches which need no aot processing */
7562 for (patch_info = cfg->patch_info; patch_info; patch_info = patch_info->next) {
7563 switch (patch_info->type) {
7564 case MONO_PATCH_INFO_LABEL:
7565 case MONO_PATCH_INFO_BB:
7566 patch_info->type = MONO_PATCH_INFO_NONE;
7573 /* Collect method->token associations from the cfg */
7574 mono_acfg_lock (acfg);
7575 g_hash_table_foreach (cfg->token_info_hash, add_token_info_hash, acfg);
7576 mono_acfg_unlock (acfg);
7577 g_hash_table_destroy (cfg->token_info_hash);
7578 cfg->token_info_hash = NULL;
7581 * Check for absolute addresses.
7584 for (patch_info = cfg->patch_info; patch_info; patch_info = patch_info->next) {
7585 switch (patch_info->type) {
7586 case MONO_PATCH_INFO_ABS:
7587 /* unable to handle this */
7596 if (acfg->aot_opts.print_skipped_methods)
7597 printf ("Skip (abs call): %s\n", mono_method_get_full_name (method));
7598 InterlockedIncrement (&acfg->stats.abscount);
7602 /* Lock for the rest of the code */
7603 mono_acfg_lock (acfg);
7606 acfg->stats.method_categories [METHOD_CAT_GSHAREDVT] ++;
7607 else if (cfg->gshared)
7608 acfg->stats.method_categories [METHOD_CAT_INST] ++;
7609 else if (cfg->method->wrapper_type)
7610 acfg->stats.method_categories [METHOD_CAT_WRAPPER] ++;
7612 acfg->stats.method_categories [METHOD_CAT_NORMAL] ++;
7615 * Check for methods/klasses we can't encode.
7618 for (patch_info = cfg->patch_info; patch_info; patch_info = patch_info->next) {
7619 if (!can_encode_patch (acfg, patch_info))
7624 if (acfg->aot_opts.print_skipped_methods)
7625 printf ("Skip (patches): %s\n", mono_method_get_full_name (method));
7626 acfg->stats.ocount++;
7627 mono_acfg_unlock (acfg);
7631 if (!cfg->compile_llvm)
7632 acfg->has_jitted_code = TRUE;
7634 if (method->is_inflated && acfg->aot_opts.log_instances) {
7635 if (acfg->instances_logfile)
7636 fprintf (acfg->instances_logfile, "%s ### %d\n", mono_method_get_full_name (method), cfg->code_size);
7638 printf ("%s ### %d\n", mono_method_get_full_name (method), cfg->code_size);
7641 /* Adds generic instances referenced by this method */
7643 * The depth is used to avoid infinite loops when generic virtual recursion is
7646 depth = GPOINTER_TO_UINT (g_hash_table_lookup (acfg->method_depth, method));
7647 if (!acfg->aot_opts.no_instances && depth < 32 && mono_aot_mode_is_full (&acfg->aot_opts)) {
7648 for (patch_info = cfg->patch_info; patch_info; patch_info = patch_info->next) {
7649 switch (patch_info->type) {
7650 case MONO_PATCH_INFO_RGCTX_FETCH:
7651 case MONO_PATCH_INFO_RGCTX_SLOT_INDEX:
7652 case MONO_PATCH_INFO_METHOD: {
7653 MonoMethod *m = NULL;
7655 if (patch_info->type == MONO_PATCH_INFO_RGCTX_FETCH || patch_info->type == MONO_PATCH_INFO_RGCTX_SLOT_INDEX) {
7656 MonoJumpInfoRgctxEntry *e = patch_info->data.rgctx_entry;
7658 if (e->info_type == MONO_RGCTX_INFO_GENERIC_METHOD_CODE)
7659 m = e->data->data.method;
7661 m = patch_info->data.method;
7666 if (m->is_inflated && mono_aot_mode_is_full (&acfg->aot_opts)) {
7667 if (!(mono_class_generic_sharing_enabled (m->klass) &&
7668 mono_method_is_generic_sharable_full (m, FALSE, FALSE, FALSE)) &&
7669 (!method_has_type_vars (m) || mono_method_is_generic_sharable_full (m, TRUE, TRUE, FALSE))) {
7670 if (m->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) {
7671 if (mono_aot_mode_is_full (&acfg->aot_opts) && !method_has_type_vars (m))
7672 add_extra_method_with_depth (acfg, mono_marshal_get_native_wrapper (m, TRUE, TRUE), depth + 1);
7674 add_extra_method_with_depth (acfg, m, depth + 1);
7675 add_types_from_method_header (acfg, m);
7678 add_generic_class_with_depth (acfg, m->klass, depth + 5, "method");
7680 if (m->wrapper_type == MONO_WRAPPER_MANAGED_TO_MANAGED) {
7681 WrapperInfo *info = mono_marshal_get_wrapper_info (m);
7683 if (info && info->subtype == WRAPPER_SUBTYPE_ELEMENT_ADDR)
7684 add_extra_method_with_depth (acfg, m, depth + 1);
7688 case MONO_PATCH_INFO_VTABLE: {
7689 MonoClass *klass = patch_info->data.klass;
7691 if (mono_class_is_ginst (klass) && !mini_class_is_generic_sharable (klass))
7692 add_generic_class_with_depth (acfg, klass, depth + 5, "vtable");
7695 case MONO_PATCH_INFO_SFLDA: {
7696 MonoClass *klass = patch_info->data.field->parent;
7698 /* The .cctor needs to run at runtime. */
7699 if (mono_class_is_ginst (klass) && !mono_generic_context_is_sharable_full (&mono_class_get_generic_class (klass)->context, FALSE, FALSE) && mono_class_get_cctor (klass))
7700 add_extra_method_with_depth (acfg, mono_class_get_cctor (klass), depth + 1);
7709 /* Determine whenever the method has GOT slots */
7710 for (patch_info = cfg->patch_info; patch_info; patch_info = patch_info->next) {
7711 switch (patch_info->type) {
7712 case MONO_PATCH_INFO_GOT_OFFSET:
7713 case MONO_PATCH_INFO_NONE:
7714 case MONO_PATCH_INFO_GC_CARD_TABLE_ADDR:
7715 case MONO_PATCH_INFO_GC_NURSERY_START:
7716 case MONO_PATCH_INFO_GC_NURSERY_BITS:
7718 case MONO_PATCH_INFO_IMAGE:
7719 /* The assembly is stored in GOT slot 0 */
7720 if (patch_info->data.image != acfg->image)
7721 cfg->has_got_slots = TRUE;
7724 if (!is_plt_patch (patch_info) || (cfg->compile_llvm && acfg->aot_opts.llvm_only))
7725 cfg->has_got_slots = TRUE;
7730 if (!cfg->has_got_slots)
7731 InterlockedIncrement (&acfg->stats.methods_without_got_slots);
7733 /* Add gsharedvt wrappers for signatures used by the method */
7734 if (acfg->aot_opts.llvm_only) {
7737 if (!cfg->method->wrapper_type || cfg->method->wrapper_type == MONO_WRAPPER_DELEGATE_INVOKE)
7738 /* These only need out wrappers */
7739 add_gsharedvt_wrappers (acfg, mono_method_signature (cfg->method), FALSE, TRUE);
7741 for (l = cfg->signatures; l; l = l->next) {
7742 MonoMethodSignature *sig = mono_metadata_signature_dup ((MonoMethodSignature*)l->data);
7744 /* These only need in wrappers */
7745 add_gsharedvt_wrappers (acfg, sig, TRUE, FALSE);
7750 * FIXME: Instead of this mess, allocate the patches from the aot mempool.
7752 /* Make a copy of the patch info which is in the mempool */
7754 MonoJumpInfo *patches = NULL, *patches_end = NULL;
7756 for (patch_info = cfg->patch_info; patch_info; patch_info = patch_info->next) {
7757 MonoJumpInfo *new_patch_info = mono_patch_info_dup_mp (acfg->mempool, patch_info);
7760 patches = new_patch_info;
7762 patches_end->next = new_patch_info;
7763 patches_end = new_patch_info;
7765 cfg->patch_info = patches;
7767 /* Make a copy of the unwind info */
7769 GSList *l, *unwind_ops;
7773 for (l = cfg->unwind_ops; l; l = l->next) {
7774 op = (MonoUnwindOp *)mono_mempool_alloc (acfg->mempool, sizeof (MonoUnwindOp));
7775 memcpy (op, l->data, sizeof (MonoUnwindOp));
7776 unwind_ops = g_slist_prepend_mempool (acfg->mempool, unwind_ops, op);
7778 cfg->unwind_ops = g_slist_reverse (unwind_ops);
7780 /* Make a copy of the argument/local info */
7783 MonoInst **args, **locals;
7784 MonoMethodSignature *sig;
7785 MonoMethodHeader *header;
7788 sig = mono_method_signature (method);
7789 args = (MonoInst **)mono_mempool_alloc (acfg->mempool, sizeof (MonoInst*) * (sig->param_count + sig->hasthis));
7790 for (i = 0; i < sig->param_count + sig->hasthis; ++i) {
7791 args [i] = (MonoInst *)mono_mempool_alloc (acfg->mempool, sizeof (MonoInst));
7792 memcpy (args [i], cfg->args [i], sizeof (MonoInst));
7796 header = mono_method_get_header_checked (method, &error);
7797 mono_error_assert_ok (&error); /* FIXME don't swallow the error */
7798 locals = (MonoInst **)mono_mempool_alloc (acfg->mempool, sizeof (MonoInst*) * header->num_locals);
7799 for (i = 0; i < header->num_locals; ++i) {
7800 locals [i] = (MonoInst *)mono_mempool_alloc (acfg->mempool, sizeof (MonoInst));
7801 memcpy (locals [i], cfg->locals [i], sizeof (MonoInst));
7803 mono_metadata_free_mh (header);
7804 cfg->locals = locals;
7807 /* Free some fields used by cfg to conserve memory */
7808 mono_empty_compile (cfg);
7810 //printf ("Compile: %s\n", mono_method_full_name (method, TRUE));
7812 while (index >= acfg->cfgs_size) {
7813 MonoCompile **new_cfgs;
7816 new_size = acfg->cfgs_size * 2;
7817 new_cfgs = g_new0 (MonoCompile*, new_size);
7818 memcpy (new_cfgs, acfg->cfgs, sizeof (MonoCompile*) * acfg->cfgs_size);
7819 g_free (acfg->cfgs);
7820 acfg->cfgs = new_cfgs;
7821 acfg->cfgs_size = new_size;
7823 acfg->cfgs [index] = cfg;
7825 g_hash_table_insert (acfg->method_to_cfg, cfg->orig_method, cfg);
7827 mono_update_jit_stats (cfg);
7830 if (cfg->orig_method->wrapper_type)
7831 g_ptr_array_add (acfg->extra_methods, cfg->orig_method);
7834 mono_acfg_unlock (acfg);
7836 InterlockedIncrement (&acfg->stats.ccount);
7839 static mono_thread_start_return_t WINAPI
7840 compile_thread_main (gpointer user_data)
7842 MonoDomain *domain = ((MonoDomain **)user_data) [0];
7843 MonoAotCompile *acfg = ((MonoAotCompile **)user_data) [1];
7844 GPtrArray *methods = ((GPtrArray **)user_data) [2];
7848 MonoThread *thread = mono_thread_attach (domain);
7849 mono_thread_set_name_internal (thread->internal_thread, mono_string_new (mono_get_root_domain (), "AOT compiler"), TRUE, &error);
7850 mono_error_assert_ok (&error);
7852 for (i = 0; i < methods->len; ++i)
7853 compile_method (acfg, (MonoMethod *)g_ptr_array_index (methods, i));
7859 load_profile_files (MonoAotCompile *acfg)
7863 int file_index, res, method_index, i;
7866 GList *unordered, *l;
7871 tmp = g_strdup_printf ("%s/.mono/aot-profile-data/%s-%d", g_get_home_dir (), acfg->image->assembly_name, file_index);
7873 if (!g_file_test (tmp, G_FILE_TEST_IS_REGULAR)) {
7878 infile = fopen (tmp, "r");
7881 printf ("Using profile data file '%s'\n", tmp);
7886 res = fscanf (infile, "%32s\n", ver);
7887 if ((res != 1) || strcmp (ver, "#VER:2") != 0) {
7888 printf ("Profile file has wrong version or invalid.\n");
7895 MonoMethodDesc *desc;
7898 if (fgets (name, 1023, infile) == NULL)
7901 /* Kill the newline */
7902 if (strlen (name) > 0)
7903 name [strlen (name) - 1] = '\0';
7905 desc = mono_method_desc_new (name, TRUE);
7907 method = mono_method_desc_search_in_image (desc, acfg->image);
7909 if (method && mono_method_get_token (method)) {
7910 token = mono_method_get_token (method);
7911 method_index = mono_metadata_token_index (token) - 1;
7914 for (i = 0; i < acfg->method_order->len; ++i) {
7915 if (g_ptr_array_index (acfg->method_order, i) == GUINT_TO_POINTER (method_index)) {
7921 g_ptr_array_add (acfg->method_order, GUINT_TO_POINTER (method_index));
7923 //printf ("No method found matching '%s'.\n", name);
7929 /* Add missing methods */
7931 for (method_index = 0; method_index < acfg->image->tables [MONO_TABLE_METHOD].rows; ++method_index) {
7933 for (i = 0; i < acfg->method_order->len; ++i) {
7934 if (g_ptr_array_index (acfg->method_order, i) == GUINT_TO_POINTER (method_index)) {
7940 unordered = g_list_prepend (unordered, GUINT_TO_POINTER (method_index));
7942 unordered = g_list_reverse (unordered);
7943 for (l = unordered; l; l = l->next)
7944 g_ptr_array_add (acfg->method_order, l->data);
7947 /* Used by the LLVM backend */
7949 mono_aot_get_got_offset (MonoJumpInfo *ji)
7951 return get_got_offset (llvm_acfg, TRUE, ji);
7955 * mono_aot_is_shared_got_offset:
7957 * Return whenever OFFSET refers to a GOT slot which is preinitialized
7958 * when the AOT image is loaded.
7961 mono_aot_is_shared_got_offset (int offset)
7963 return offset < llvm_acfg->nshared_got_entries;
7967 mono_aot_get_method_name (MonoCompile *cfg)
7969 if (llvm_acfg->aot_opts.static_link)
7970 /* Include the assembly name too to avoid duplicate symbol errors */
7971 return g_strdup_printf ("%s_%s", llvm_acfg->assembly_name_sym, get_debug_sym (cfg->orig_method, "", llvm_acfg->method_label_hash));
7973 return get_debug_sym (cfg->orig_method, "", llvm_acfg->method_label_hash);
7977 * mono_aot_is_linkonce_method:
7979 * Return whenever METHOD should be emitted with linkonce linkage,
7980 * eliminating duplicate copies when compiling in static mode.
7983 mono_aot_is_linkonce_method (MonoMethod *method)
7989 // FIXME: Add more cases
7990 if (method->wrapper_type != MONO_WRAPPER_UNKNOWN)
7992 info = mono_marshal_get_wrapper_info (method);
7993 if ((info && (info->subtype == WRAPPER_SUBTYPE_GSHAREDVT_IN_SIG || info->subtype == WRAPPER_SUBTYPE_GSHAREDVT_OUT_SIG)))
8000 append_mangled_type (GString *s, MonoType *t)
8003 g_string_append_printf (s, "b");
8005 case MONO_TYPE_VOID:
8006 g_string_append_printf (s, "void_");
8009 g_string_append_printf (s, "i1");
8012 g_string_append_printf (s, "u1");
8015 g_string_append_printf (s, "i2");
8018 g_string_append_printf (s, "u2");
8021 g_string_append_printf (s, "i4");
8024 g_string_append_printf (s, "u4");
8027 g_string_append_printf (s, "i8");
8030 g_string_append_printf (s, "u8");
8033 g_string_append_printf (s, "ii");
8036 g_string_append_printf (s, "ui");
8039 g_string_append_printf (s, "fl");
8042 g_string_append_printf (s, "do");
8045 char *fullname = mono_type_full_name (t);
8051 * Have to create a mangled name which is:
8055 temp = g_string_new ("");
8056 len = strlen (fullname);
8057 for (i = 0; i < len; ++i) {
8058 char c = fullname [i];
8060 g_string_append_c (temp, c);
8061 } else if (c == '_') {
8062 g_string_append_c (temp, '_');
8063 g_string_append_c (temp, '_');
8065 g_string_append_c (temp, '_');
8066 g_string_append_printf (temp, "%x", (int)c);
8069 temps = g_string_free (temp, FALSE);
8070 /* Include the length to avoid different length type names aliasing each other */
8071 g_string_append_printf (s, "cl%x_%s_", strlen (temps), temps);
8080 append_mangled_signature (GString *s, MonoMethodSignature *sig)
8085 supported = append_mangled_type (s, sig->ret);
8089 g_string_append_printf (s, "this_");
8090 for (i = 0; i < sig->param_count; ++i) {
8091 supported = append_mangled_type (s, sig->params [i]);
8100 * mono_aot_get_mangled_method_name:
8102 * Return a unique mangled name for METHOD, or NULL.
8105 mono_aot_get_mangled_method_name (MonoMethod *method)
8111 // FIXME: Add more cases
8112 if (method->wrapper_type != MONO_WRAPPER_UNKNOWN)
8114 info = mono_marshal_get_wrapper_info (method);
8115 if (!(info && (info->subtype == WRAPPER_SUBTYPE_GSHAREDVT_IN_SIG || info->subtype == WRAPPER_SUBTYPE_GSHAREDVT_OUT_SIG)))
8118 s = g_string_new ("");
8120 g_string_append_printf (s, "aot_method_w_");
8122 switch (info->subtype) {
8123 case WRAPPER_SUBTYPE_GSHAREDVT_IN_SIG:
8124 g_string_append_printf (s, "gsharedvt_in_");
8126 case WRAPPER_SUBTYPE_GSHAREDVT_OUT_SIG:
8127 g_string_append_printf (s, "gsharedvt_out_");
8130 g_assert_not_reached ();
8134 supported = append_mangled_signature (s, info->d.gsharedvt.sig);
8136 g_string_free (s, TRUE);
8140 return g_string_free (s, FALSE);
8144 mono_aot_is_direct_callable (MonoJumpInfo *patch_info)
8146 return is_direct_callable (llvm_acfg, NULL, patch_info);
8150 mono_aot_mark_unused_llvm_plt_entry (MonoJumpInfo *patch_info)
8152 MonoPltEntry *plt_entry;
8154 plt_entry = get_plt_entry (llvm_acfg, patch_info);
8155 plt_entry->llvm_used = FALSE;
8159 mono_aot_get_direct_call_symbol (MonoJumpInfoType type, gconstpointer data)
8161 const char *sym = NULL;
8163 if (llvm_acfg->aot_opts.direct_icalls) {
8164 if (type == MONO_PATCH_INFO_JIT_ICALL_ADDR) {
8165 /* Call to a C function implementing a jit icall */
8166 sym = mono_lookup_jit_icall_symbol ((const char *)data);
8167 } else if (type == MONO_PATCH_INFO_ICALL_ADDR_CALL) {
8168 MonoMethod *method = (MonoMethod *)data;
8169 if (!(method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL))
8170 sym = mono_lookup_icall_symbol (method);
8171 else if (llvm_acfg->aot_opts.direct_pinvoke)
8172 sym = get_pinvoke_import (llvm_acfg, method);
8175 return g_strdup (sym);
8181 mono_aot_get_plt_symbol (MonoJumpInfoType type, gconstpointer data)
8183 MonoJumpInfo *ji = (MonoJumpInfo *)mono_mempool_alloc (llvm_acfg->mempool, sizeof (MonoJumpInfo));
8184 MonoPltEntry *plt_entry;
8185 const char *sym = NULL;
8188 ji->data.target = data;
8190 if (!can_encode_patch (llvm_acfg, ji))
8193 if (llvm_acfg->aot_opts.direct_icalls) {
8194 if (type == MONO_PATCH_INFO_JIT_ICALL_ADDR) {
8195 /* Call to a C function implementing a jit icall */
8196 sym = mono_lookup_jit_icall_symbol ((const char *)data);
8197 } else if (type == MONO_PATCH_INFO_ICALL_ADDR_CALL) {
8198 MonoMethod *method = (MonoMethod *)data;
8199 if (!(method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL))
8200 sym = mono_lookup_icall_symbol (method);
8203 return g_strdup (sym);
8206 plt_entry = get_plt_entry (llvm_acfg, ji);
8207 plt_entry->llvm_used = TRUE;
8209 #if defined(TARGET_MACH)
8210 return g_strdup_printf (plt_entry->llvm_symbol + strlen (llvm_acfg->llvm_label_prefix));
8212 return g_strdup_printf (plt_entry->llvm_symbol);
8217 mono_aot_get_method_index (MonoMethod *method)
8219 g_assert (llvm_acfg);
8220 return get_method_index (llvm_acfg, method);
8224 mono_aot_patch_info_dup (MonoJumpInfo* ji)
8228 mono_acfg_lock (llvm_acfg);
8229 res = mono_patch_info_dup_mp (llvm_acfg->mempool, ji);
8230 mono_acfg_unlock (llvm_acfg);
8236 execute_system (const char * command)
8241 // We need an extra set of quotes around the whole command to properly handle commands
8242 // with spaces since internally the command is called through "cmd /c.
8243 char * quoted_command = g_strdup_printf ("\"%s\"", command);
8245 int size = MultiByteToWideChar (CP_UTF8, 0 , quoted_command , -1, NULL , 0);
8246 wchar_t* wstr = g_malloc (sizeof (wchar_t) * size);
8247 MultiByteToWideChar (CP_UTF8, 0, quoted_command, -1, wstr , size);
8248 status = _wsystem (wstr);
8251 g_free (quoted_command);
8252 #elif defined (HAVE_SYSTEM)
8253 status = system (command);
8255 g_assert_not_reached ();
8266 * Emit the LLVM code into an LLVM bytecode file, and compile it using the LLVM
8270 emit_llvm_file (MonoAotCompile *acfg)
8272 char *command, *opts, *tempbc, *optbc, *output_fname;
8274 if (acfg->aot_opts.llvm_only && acfg->aot_opts.asm_only) {
8275 tempbc = g_strdup_printf ("%s.bc", acfg->tmpbasename);
8276 optbc = g_strdup (acfg->aot_opts.llvm_outfile);
8278 tempbc = g_strdup_printf ("%s.bc", acfg->tmpbasename);
8279 optbc = g_strdup_printf ("%s.opt.bc", acfg->tmpbasename);
8282 mono_llvm_emit_aot_module (tempbc, g_path_get_basename (acfg->image->name));
8285 * FIXME: Experiment with adding optimizations, the -std-compile-opts set takes
8286 * a lot of time, and doesn't seem to save much space.
8287 * The following optimizations cannot be enabled:
8289 * - 'jump-threading' changes our blockaddress references to int constants.
8290 * - 'basiccg' fails because it contains:
8291 * if (CS && !isa<IntrinsicInst>(II)) {
8292 * and isa<IntrinsicInst> is false for invokes to intrinsics (iltests.exe).
8293 * - 'prune-eh' and 'functionattrs' depend on 'basiccg'.
8294 * The opt list below was produced by taking the output of:
8295 * llvm-as < /dev/null | opt -O2 -disable-output -debug-pass=Arguments
8296 * then removing tailcallelim + the global opts.
8297 * strip-dead-prototypes deletes unused intrinsics definitions.
8299 /* The dse pass is disabled because of #13734 and #17616 */
8301 * The dse bug is in DeadStoreElimination.cpp:isOverwrite ():
8302 * // If we have no DataLayout information around, then the size of the store
8303 * // is inferrable from the pointee type. If they are the same type, then
8304 * // we know that the store is safe.
8305 * if (AA.getDataLayout() == 0 &&
8306 * Later.Ptr->getType() == Earlier.Ptr->getType()) {
8307 * return OverwriteComplete;
8308 * Here, if 'Earlier' refers to a memset, and Later has no size info, it mistakenly thinks the memset is redundant.
8310 if (acfg->aot_opts.llvm_only)
8311 // FIXME: This doesn't work yet
8312 opts = g_strdup ("");
8314 #if LLVM_API_VERSION > 100
8315 opts = g_strdup ("-O2 -disable-tail-calls");
8317 opts = g_strdup ("-targetlibinfo -no-aa -basicaa -notti -instcombine -simplifycfg -inline-cost -inline -sroa -domtree -early-cse -lazy-value-info -correlated-propagation -simplifycfg -instcombine -simplifycfg -reassociate -domtree -loops -loop-simplify -lcssa -loop-rotate -licm -lcssa -loop-unswitch -instcombine -scalar-evolution -loop-simplify -lcssa -indvars -loop-idiom -loop-deletion -loop-unroll -memdep -gvn -memdep -memcpyopt -sccp -instcombine -lazy-value-info -correlated-propagation -domtree -memdep -adce -simplifycfg -instcombine -strip-dead-prototypes -domtree -verify");
8319 command = g_strdup_printf ("\"%sopt\" -f %s -o \"%s\" \"%s\"", acfg->aot_opts.llvm_path, opts, optbc, tempbc);
8320 aot_printf (acfg, "Executing opt: %s\n", command);
8321 if (execute_system (command) != 0)
8325 if (acfg->aot_opts.llvm_only && acfg->aot_opts.asm_only)
8326 /* Nothing else to do */
8329 if (acfg->aot_opts.llvm_only) {
8330 /* Use the stock clang from xcode */
8332 command = g_strdup_printf ("clang++ -fexceptions -march=x86-64 -fpic -msse -msse2 -msse3 -msse4 -O2 -fno-optimize-sibling-calls -Wno-override-module -c -o \"%s\" \"%s.opt.bc\"", acfg->llvm_ofile, acfg->tmpbasename);
8334 aot_printf (acfg, "Executing clang: %s\n", command);
8335 if (execute_system (command) != 0)
8340 if (!acfg->llc_args)
8341 acfg->llc_args = g_string_new ("");
8343 /* Verbose asm slows down llc greatly */
8344 g_string_append (acfg->llc_args, " -asm-verbose=false");
8346 if (acfg->aot_opts.mtriple)
8347 g_string_append_printf (acfg->llc_args, " -mtriple=%s", acfg->aot_opts.mtriple);
8349 g_string_append (acfg->llc_args, " -disable-gnu-eh-frame -enable-mono-eh-frame");
8351 g_string_append_printf (acfg->llc_args, " -mono-eh-frame-symbol=%s%s", acfg->user_symbol_prefix, acfg->llvm_eh_frame_symbol);
8353 #if LLVM_API_VERSION > 100
8354 g_string_append_printf (acfg->llc_args, " -disable-tail-calls");
8357 #if defined(TARGET_MACH) && defined(TARGET_ARM)
8358 /* ios requires PIC code now */
8359 g_string_append_printf (acfg->llc_args, " -relocation-model=pic");
8361 if (llvm_acfg->aot_opts.static_link)
8362 g_string_append_printf (acfg->llc_args, " -relocation-model=static");
8364 g_string_append_printf (acfg->llc_args, " -relocation-model=pic");
8367 if (acfg->llvm_owriter) {
8368 /* Emit an object file directly */
8369 output_fname = g_strdup_printf ("%s", acfg->llvm_ofile);
8370 g_string_append_printf (acfg->llc_args, " -filetype=obj");
8372 output_fname = g_strdup_printf ("%s", acfg->llvm_sfile);
8374 command = g_strdup_printf ("\"%sllc\" %s -o \"%s\" \"%s.opt.bc\"", acfg->aot_opts.llvm_path, acfg->llc_args->str, output_fname, acfg->tmpbasename);
8375 g_free (output_fname);
8377 aot_printf (acfg, "Executing llc: %s\n", command);
8379 if (execute_system (command) != 0)
8386 emit_code (MonoAotCompile *acfg)
8388 int oindex, i, prev_index;
8389 gboolean saved_unbox_info = FALSE;
8390 char symbol [MAX_SYMBOL_SIZE];
8392 if (acfg->aot_opts.llvm_only)
8395 #if defined(TARGET_POWERPC64)
8396 sprintf (symbol, ".Lgot_addr");
8397 emit_section_change (acfg, ".text", 0);
8398 emit_alignment (acfg, 8);
8399 emit_label (acfg, symbol);
8400 emit_pointer (acfg, acfg->got_symbol);
8404 * This global symbol is used to compute the address of each method using the
8405 * code_offsets array. It is also used to compute the memory ranges occupied by
8406 * AOT code, so it must be equal to the address of the first emitted method.
8408 emit_section_change (acfg, ".text", 0);
8409 emit_alignment_code (acfg, 8);
8410 emit_info_symbol (acfg, "jit_code_start");
8413 * Emit some padding so the local symbol for the first method doesn't have the
8414 * same address as 'methods'.
8416 emit_padding (acfg, 16);
8418 for (oindex = 0; oindex < acfg->method_order->len; ++oindex) {
8422 i = GPOINTER_TO_UINT (g_ptr_array_index (acfg->method_order, oindex));
8424 cfg = acfg->cfgs [i];
8429 method = cfg->orig_method;
8431 /* Emit unbox trampoline */
8432 if (mono_aot_mode_is_full (&acfg->aot_opts) && cfg->orig_method->klass->valuetype) {
8433 sprintf (symbol, "ut_%d", get_method_index (acfg, method));
8435 emit_section_change (acfg, ".text", 0);
8437 if (acfg->thumb_mixed && cfg->compile_llvm) {
8438 emit_set_thumb_mode (acfg);
8439 fprintf (acfg->fp, "\n.thumb_func\n");
8442 emit_label (acfg, symbol);
8444 arch_emit_unbox_trampoline (acfg, cfg, cfg->orig_method, cfg->asm_symbol);
8446 if (acfg->thumb_mixed && cfg->compile_llvm)
8447 emit_set_arm_mode (acfg);
8449 if (!saved_unbox_info) {
8450 char user_symbol [128];
8452 sprintf (user_symbol, "%sunbox_trampoline_p", acfg->user_symbol_prefix);
8454 emit_label (acfg, "ut_end");
8456 unwind_ops = mono_unwind_get_cie_program ();
8457 save_unwind_info (acfg, user_symbol, unwind_ops);
8458 mono_free_unwind_info (unwind_ops);
8460 /* Save the unbox trampoline size */
8461 emit_symbol_diff (acfg, "ut_end", symbol, 0);
8463 saved_unbox_info = TRUE;
8467 if (cfg->compile_llvm)
8468 acfg->stats.llvm_count ++;
8470 emit_method_code (acfg, cfg);
8473 emit_section_change (acfg, ".text", 0);
8474 emit_alignment_code (acfg, 8);
8475 emit_info_symbol (acfg, "jit_code_end");
8477 /* To distinguish it from the next symbol */
8478 emit_padding (acfg, 4);
8481 * Add .no_dead_strip directives for all LLVM methods to prevent the OSX linker
8482 * from optimizing them away, since it doesn't see that code_offsets references them.
8483 * JITted methods don't need this since they are referenced using assembler local
8485 * FIXME: This is why write-symbols doesn't work on OSX ?
8487 if (acfg->llvm && acfg->need_no_dead_strip) {
8488 fprintf (acfg->fp, "\n");
8489 for (i = 0; i < acfg->nmethods; ++i) {
8490 if (acfg->cfgs [i] && acfg->cfgs [i]->compile_llvm)
8491 fprintf (acfg->fp, ".no_dead_strip %s\n", acfg->cfgs [i]->asm_symbol);
8496 * To work around linker issues, we emit a table of branches, and disassemble them at runtime.
8497 * This is PIE code, and the linker can update it if needed.
8500 sprintf (symbol, "method_addresses");
8501 emit_section_change (acfg, ".text", 1);
8502 emit_alignment_code (acfg, 8);
8503 emit_info_symbol (acfg, symbol);
8504 if (acfg->aot_opts.write_symbols)
8505 emit_local_symbol (acfg, symbol, "method_addresses_end", TRUE);
8506 emit_unset_mode (acfg);
8507 if (acfg->need_no_dead_strip)
8508 fprintf (acfg->fp, " .no_dead_strip %s\n", symbol);
8510 for (i = 0; i < acfg->nmethods; ++i) {
8511 #ifdef MONO_ARCH_AOT_SUPPORTED
8514 if (acfg->cfgs [i]) {
8515 arch_emit_direct_call (acfg, acfg->cfgs [i]->asm_symbol, FALSE, acfg->thumb_mixed && acfg->cfgs [i]->compile_llvm, NULL, &call_size);
8517 arch_emit_direct_call (acfg, symbol, FALSE, FALSE, NULL, &call_size);
8522 sprintf (symbol, "method_addresses_end");
8523 emit_label (acfg, symbol);
8526 /* Emit a sorted table mapping methods to the index of their unbox trampolines */
8527 sprintf (symbol, "unbox_trampolines");
8528 emit_section_change (acfg, RODATA_SECT, 0);
8529 emit_alignment (acfg, 8);
8530 emit_info_symbol (acfg, symbol);
8533 for (i = 0; i < acfg->nmethods; ++i) {
8538 cfg = acfg->cfgs [i];
8542 method = cfg->orig_method;
8544 if (mono_aot_mode_is_full (&acfg->aot_opts) && cfg->orig_method->klass->valuetype) {
8545 index = get_method_index (acfg, method);
8547 emit_int32 (acfg, index);
8548 /* Make sure the table is sorted by index */
8549 g_assert (index > prev_index);
8553 sprintf (symbol, "unbox_trampolines_end");
8554 emit_info_symbol (acfg, symbol);
8555 emit_int32 (acfg, 0);
8557 /* Emit a separate table with the trampoline addresses/offsets */
8558 sprintf (symbol, "unbox_trampoline_addresses");
8559 emit_section_change (acfg, ".text", 0);
8560 emit_alignment_code (acfg, 8);
8561 emit_info_symbol (acfg, symbol);
8563 for (i = 0; i < acfg->nmethods; ++i) {
8568 cfg = acfg->cfgs [i];
8572 method = cfg->orig_method;
8574 if (mono_aot_mode_is_full (&acfg->aot_opts) && cfg->orig_method->klass->valuetype) {
8575 #ifdef MONO_ARCH_AOT_SUPPORTED
8578 index = get_method_index (acfg, method);
8579 sprintf (symbol, "ut_%d", index);
8581 arch_emit_direct_call (acfg, symbol, FALSE, acfg->thumb_mixed && cfg->compile_llvm, NULL, &call_size);
8585 emit_int32 (acfg, 0);
8589 emit_info (MonoAotCompile *acfg)
8594 offsets = g_new0 (gint32, acfg->nmethods);
8596 for (oindex = 0; oindex < acfg->method_order->len; ++oindex) {
8597 i = GPOINTER_TO_UINT (g_ptr_array_index (acfg->method_order, oindex));
8599 if (acfg->cfgs [i]) {
8600 emit_method_info (acfg, acfg->cfgs [i]);
8601 offsets [i] = acfg->cfgs [i]->method_info_offset;
8607 acfg->stats.offsets_size += emit_offset_table (acfg, "method_info_offsets", MONO_AOT_TABLE_METHOD_INFO_OFFSETS, acfg->nmethods, 10, offsets);
8612 #endif /* #if !defined(DISABLE_AOT) && !defined(DISABLE_JIT) */
8614 #define rot(x,k) (((x)<<(k)) | ((x)>>(32-(k))))
8615 #define mix(a,b,c) { \
8616 a -= c; a ^= rot(c, 4); c += b; \
8617 b -= a; b ^= rot(a, 6); a += c; \
8618 c -= b; c ^= rot(b, 8); b += a; \
8619 a -= c; a ^= rot(c,16); c += b; \
8620 b -= a; b ^= rot(a,19); a += c; \
8621 c -= b; c ^= rot(b, 4); b += a; \
8623 #define final(a,b,c) { \
8624 c ^= b; c -= rot(b,14); \
8625 a ^= c; a -= rot(c,11); \
8626 b ^= a; b -= rot(a,25); \
8627 c ^= b; c -= rot(b,16); \
8628 a ^= c; a -= rot(c,4); \
8629 b ^= a; b -= rot(a,14); \
8630 c ^= b; c -= rot(b,24); \
8634 mono_aot_type_hash (MonoType *t1)
8636 guint hash = t1->type;
8638 hash |= t1->byref << 6; /* do not collide with t1->type values */
8640 case MONO_TYPE_VALUETYPE:
8641 case MONO_TYPE_CLASS:
8642 case MONO_TYPE_SZARRAY:
8643 /* check if the distribution is good enough */
8644 return ((hash << 5) - hash) ^ mono_metadata_str_hash (t1->data.klass->name);
8646 return ((hash << 5) - hash) ^ mono_metadata_type_hash (t1->data.type);
8647 case MONO_TYPE_ARRAY:
8648 return ((hash << 5) - hash) ^ mono_metadata_type_hash (&t1->data.array->eklass->byval_arg);
8649 case MONO_TYPE_GENERICINST:
8650 return ((hash << 5) - hash) ^ 0;
8657 * mono_aot_method_hash:
8659 * Return a hash code for methods which only depends on metadata.
8662 mono_aot_method_hash (MonoMethod *method)
8664 MonoMethodSignature *sig;
8668 guint32 *hashes_start, *hashes;
8670 MonoGenericInst *class_ginst = NULL;
8671 MonoGenericInst *ginst = NULL;
8673 /* Similar to the hash in mono_method_get_imt_slot () */
8675 sig = mono_method_signature (method);
8677 if (mono_class_is_ginst (method->klass))
8678 class_ginst = mono_class_get_generic_class (method->klass)->context.class_inst;
8679 if (method->is_inflated)
8680 ginst = ((MonoMethodInflated*)method)->context.method_inst;
8682 hashes_count = sig->param_count + 5 + (class_ginst ? class_ginst->type_argc : 0) + (ginst ? ginst->type_argc : 0);
8683 hashes_start = (guint32 *)g_malloc0 (hashes_count * sizeof (guint32));
8684 hashes = hashes_start;
8686 /* Some wrappers are assigned to random classes */
8687 if (!method->wrapper_type || method->wrapper_type == MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK)
8688 klass = method->klass;
8690 klass = mono_defaults.object_class;
8692 if (!method->wrapper_type) {
8695 if (mono_class_is_ginst (klass))
8696 full_name = mono_type_full_name (&mono_class_get_generic_class (klass)->container_class->byval_arg);
8698 full_name = mono_type_full_name (&klass->byval_arg);
8700 hashes [0] = mono_metadata_str_hash (full_name);
8704 hashes [0] = mono_metadata_str_hash (klass->name);
8705 hashes [1] = mono_metadata_str_hash (klass->name_space);
8707 if (method->wrapper_type == MONO_WRAPPER_STFLD || method->wrapper_type == MONO_WRAPPER_LDFLD || method->wrapper_type == MONO_WRAPPER_LDFLDA)
8708 /* The method name includes a stringified pointer */
8711 hashes [2] = mono_metadata_str_hash (method->name);
8712 hashes [3] = method->wrapper_type;
8713 hashes [4] = mono_aot_type_hash (sig->ret);
8715 for (i = 0; i < sig->param_count; i++) {
8716 hashes [hindex ++] = mono_aot_type_hash (sig->params [i]);
8719 for (i = 0; i < class_ginst->type_argc; ++i)
8720 hashes [hindex ++] = mono_aot_type_hash (class_ginst->type_argv [i]);
8723 for (i = 0; i < ginst->type_argc; ++i)
8724 hashes [hindex ++] = mono_aot_type_hash (ginst->type_argv [i]);
8726 g_assert (hindex == hashes_count);
8728 /* Setup internal state */
8729 a = b = c = 0xdeadbeef + (((guint32)hashes_count)<<2);
8731 /* Handle most of the hashes */
8732 while (hashes_count > 3) {
8741 /* Handle the last 3 hashes (all the case statements fall through) */
8742 switch (hashes_count) {
8743 case 3 : c += hashes [2];
8744 case 2 : b += hashes [1];
8745 case 1 : a += hashes [0];
8747 case 0: /* nothing left to add */
8751 g_free (hashes_start);
8760 * mono_aot_get_array_helper_from_wrapper;
8762 * Get the helper method in Array called by an array wrapper method.
8765 mono_aot_get_array_helper_from_wrapper (MonoMethod *method)
8769 MonoGenericContext ctx;
8770 MonoType *args [16];
8771 char *mname, *iname, *s, *s2, *helper_name = NULL;
8773 prefix = "System.Collections.Generic";
8774 s = g_strdup_printf ("%s", method->name + strlen (prefix) + 1);
8775 s2 = strstr (s, "`1.");
8781 //printf ("X: %s %s\n", iname, mname);
8783 if (!strcmp (iname, "IList"))
8784 helper_name = g_strdup_printf ("InternalArray__%s", mname);
8786 helper_name = g_strdup_printf ("InternalArray__%s_%s", iname, mname);
8787 m = mono_class_get_method_from_name (mono_defaults.array_class, helper_name, mono_method_signature (method)->param_count);
8789 g_free (helper_name);
8792 if (m->is_generic) {
8794 memset (&ctx, 0, sizeof (ctx));
8795 args [0] = &method->klass->element_class->byval_arg;
8796 ctx.method_inst = mono_metadata_get_generic_inst (1, args);
8797 m = mono_class_inflate_generic_method_checked (m, &ctx, &error);
8798 g_assert (mono_error_ok (&error)); /* FIXME don't swallow the error */
8804 #if !defined(DISABLE_AOT) && !defined(DISABLE_JIT)
8806 typedef struct HashEntry {
8807 guint32 key, value, index;
8808 struct HashEntry *next;
8812 * emit_extra_methods:
8814 * Emit methods which are not in the METHOD table, like wrappers.
8817 emit_extra_methods (MonoAotCompile *acfg)
8819 int i, table_size, buf_size;
8821 guint32 *info_offsets;
8824 HashEntry *entry, *new_entry;
8825 int nmethods, max_chain_length;
8828 info_offsets = g_new0 (guint32, acfg->extra_methods->len);
8830 /* Emit method info */
8832 for (i = 0; i < acfg->extra_methods->len; ++i) {
8833 MonoMethod *method = (MonoMethod *)g_ptr_array_index (acfg->extra_methods, i);
8834 MonoCompile *cfg = (MonoCompile *)g_hash_table_lookup (acfg->method_to_cfg, method);
8840 p = buf = (guint8 *)g_malloc (buf_size);
8844 method = cfg->method_to_register;
8846 encode_method_ref (acfg, method, p, &p);
8848 g_assert ((p - buf) < buf_size);
8850 info_offsets [i] = add_to_blob (acfg, buf, p - buf);
8855 * Construct a chained hash table for mapping indexes in extra_method_info to
8858 table_size = g_spaced_primes_closest ((int)(nmethods * 1.5));
8859 table = g_ptr_array_sized_new (table_size);
8860 for (i = 0; i < table_size; ++i)
8861 g_ptr_array_add (table, NULL);
8862 chain_lengths = g_new0 (int, table_size);
8863 max_chain_length = 0;
8864 for (i = 0; i < acfg->extra_methods->len; ++i) {
8865 MonoMethod *method = (MonoMethod *)g_ptr_array_index (acfg->extra_methods, i);
8866 MonoCompile *cfg = (MonoCompile *)g_hash_table_lookup (acfg->method_to_cfg, method);
8872 key = info_offsets [i];
8873 value = get_method_index (acfg, method);
8875 hash = mono_aot_method_hash (method) % table_size;
8876 //printf ("X: %s %x\n", mono_method_get_full_name (method), mono_aot_method_hash (method));
8878 chain_lengths [hash] ++;
8879 max_chain_length = MAX (max_chain_length, chain_lengths [hash]);
8881 new_entry = (HashEntry *)mono_mempool_alloc0 (acfg->mempool, sizeof (HashEntry));
8882 new_entry->key = key;
8883 new_entry->value = value;
8885 entry = (HashEntry *)g_ptr_array_index (table, hash);
8886 if (entry == NULL) {
8887 new_entry->index = hash;
8888 g_ptr_array_index (table, hash) = new_entry;
8891 entry = entry->next;
8893 entry->next = new_entry;
8894 new_entry->index = table->len;
8895 g_ptr_array_add (table, new_entry);
8898 g_free (chain_lengths);
8900 //printf ("MAX: %d\n", max_chain_length);
8902 buf_size = table->len * 12 + 4;
8903 p = buf = (guint8 *)g_malloc (buf_size);
8904 encode_int (table_size, p, &p);
8906 for (i = 0; i < table->len; ++i) {
8907 HashEntry *entry = (HashEntry *)g_ptr_array_index (table, i);
8909 if (entry == NULL) {
8910 encode_int (0, p, &p);
8911 encode_int (0, p, &p);
8912 encode_int (0, p, &p);
8914 //g_assert (entry->key > 0);
8915 encode_int (entry->key, p, &p);
8916 encode_int (entry->value, p, &p);
8918 encode_int (entry->next->index, p, &p);
8920 encode_int (0, p, &p);
8923 g_assert (p - buf <= buf_size);
8925 /* Emit the table */
8926 emit_aot_data (acfg, MONO_AOT_TABLE_EXTRA_METHOD_TABLE, "extra_method_table", buf, p - buf);
8931 * Emit a table reverse mapping method indexes to their index in extra_method_info.
8932 * This is used by mono_aot_find_jit_info ().
8934 buf_size = acfg->extra_methods->len * 8 + 4;
8935 p = buf = (guint8 *)g_malloc (buf_size);
8936 encode_int (acfg->extra_methods->len, p, &p);
8937 for (i = 0; i < acfg->extra_methods->len; ++i) {
8938 MonoMethod *method = (MonoMethod *)g_ptr_array_index (acfg->extra_methods, i);
8940 encode_int (get_method_index (acfg, method), p, &p);
8941 encode_int (info_offsets [i], p, &p);
8943 emit_aot_data (acfg, MONO_AOT_TABLE_EXTRA_METHOD_INFO_OFFSETS, "extra_method_info_offsets", buf, p - buf);
8946 g_free (info_offsets);
8947 g_ptr_array_free (table, TRUE);
8951 generate_aotid (guint8* aotid)
8953 gpointer rand_handle;
8957 rand_handle = mono_rand_init (NULL, 0);
8959 mono_rand_try_get_bytes (&rand_handle, aotid, 16, &error);
8960 mono_error_assert_ok (&error);
8962 mono_rand_close (rand_handle);
8966 emit_exception_info (MonoAotCompile *acfg)
8970 SeqPointData sp_data;
8971 gboolean seq_points_to_file = FALSE;
8973 offsets = g_new0 (gint32, acfg->nmethods);
8974 for (i = 0; i < acfg->nmethods; ++i) {
8975 if (acfg->cfgs [i]) {
8976 MonoCompile *cfg = acfg->cfgs [i];
8978 // By design aot-runtime decode_exception_debug_info is not able to load sequence point debug data from a file.
8979 // As it is not possible to load debug data from a file its is also not possible to store it in a file.
8980 gboolean method_seq_points_to_file = acfg->aot_opts.gen_msym_dir &&
8981 cfg->gen_seq_points && !cfg->gen_sdb_seq_points;
8982 gboolean method_seq_points_to_binary = cfg->gen_seq_points && !method_seq_points_to_file;
8984 emit_exception_debug_info (acfg, cfg, method_seq_points_to_binary);
8985 offsets [i] = cfg->ex_info_offset;
8987 if (method_seq_points_to_file) {
8988 if (!seq_points_to_file) {
8989 mono_seq_point_data_init (&sp_data, acfg->nmethods);
8990 seq_points_to_file = TRUE;
8992 mono_seq_point_data_add (&sp_data, cfg->method->token, cfg->method_index, cfg->seq_point_info);
8999 if (seq_points_to_file) {
9000 char *aotid = mono_guid_to_string_minimal (acfg->image->aotid);
9001 char *dir = g_build_filename (acfg->aot_opts.gen_msym_dir_path, aotid, NULL);
9002 char *image_basename = g_path_get_basename (acfg->image->name);
9003 char *aot_file = g_strdup_printf("%s%s", image_basename, SEQ_POINT_AOT_EXT);
9004 char *aot_file_path = g_build_filename (dir, aot_file, NULL);
9006 if (g_ensure_directory_exists (aot_file_path) == FALSE) {
9007 fprintf (stderr, "AOT : failed to create msym directory: %s\n", aot_file_path);
9011 mono_seq_point_data_write (&sp_data, aot_file_path);
9012 mono_seq_point_data_free (&sp_data);
9016 g_free (image_basename);
9018 g_free (aot_file_path);
9021 acfg->stats.offsets_size += emit_offset_table (acfg, "ex_info_offsets", MONO_AOT_TABLE_EX_INFO_OFFSETS, acfg->nmethods, 10, offsets);
9026 emit_unwind_info (MonoAotCompile *acfg)
9031 if (acfg->aot_opts.llvm_only) {
9032 g_assert (acfg->unwind_ops->len == 0);
9037 * The unwind info contains a lot of duplicates so we emit each unique
9038 * entry once, and only store the offset from the start of the table in the
9042 sprintf (symbol, "unwind_info");
9043 emit_section_change (acfg, RODATA_SECT, 1);
9044 emit_alignment (acfg, 8);
9045 emit_info_symbol (acfg, symbol);
9047 for (i = 0; i < acfg->unwind_ops->len; ++i) {
9048 guint32 index = GPOINTER_TO_UINT (g_ptr_array_index (acfg->unwind_ops, i));
9049 guint8 *unwind_info;
9050 guint32 unwind_info_len;
9054 unwind_info = mono_get_cached_unwind_info (index, &unwind_info_len);
9057 encode_value (unwind_info_len, p, &p);
9058 emit_bytes (acfg, buf, p - buf);
9059 emit_bytes (acfg, unwind_info, unwind_info_len);
9061 acfg->stats.unwind_info_size += (p - buf) + unwind_info_len;
9066 emit_class_info (MonoAotCompile *acfg)
9071 offsets = g_new0 (gint32, acfg->image->tables [MONO_TABLE_TYPEDEF].rows);
9072 for (i = 0; i < acfg->image->tables [MONO_TABLE_TYPEDEF].rows; ++i)
9073 offsets [i] = emit_klass_info (acfg, MONO_TOKEN_TYPE_DEF | (i + 1));
9075 acfg->stats.offsets_size += emit_offset_table (acfg, "class_info_offsets", MONO_AOT_TABLE_CLASS_INFO_OFFSETS, acfg->image->tables [MONO_TABLE_TYPEDEF].rows, 10, offsets);
9079 typedef struct ClassNameTableEntry {
9080 guint32 token, index;
9081 struct ClassNameTableEntry *next;
9082 } ClassNameTableEntry;
9085 emit_class_name_table (MonoAotCompile *acfg)
9087 int i, table_size, buf_size;
9088 guint32 token, hash;
9093 ClassNameTableEntry *entry, *new_entry;
9096 * Construct a chained hash table for mapping class names to typedef tokens.
9098 table_size = g_spaced_primes_closest ((int)(acfg->image->tables [MONO_TABLE_TYPEDEF].rows * 1.5));
9099 table = g_ptr_array_sized_new (table_size);
9100 for (i = 0; i < table_size; ++i)
9101 g_ptr_array_add (table, NULL);
9102 for (i = 0; i < acfg->image->tables [MONO_TABLE_TYPEDEF].rows; ++i) {
9104 token = MONO_TOKEN_TYPE_DEF | (i + 1);
9105 klass = mono_class_get_checked (acfg->image, token, &error);
9107 mono_error_cleanup (&error);
9110 full_name = mono_type_get_name_full (mono_class_get_type (klass), MONO_TYPE_NAME_FORMAT_FULL_NAME);
9111 hash = mono_metadata_str_hash (full_name) % table_size;
9114 /* FIXME: Allocate from the mempool */
9115 new_entry = g_new0 (ClassNameTableEntry, 1);
9116 new_entry->token = token;
9118 entry = (ClassNameTableEntry *)g_ptr_array_index (table, hash);
9119 if (entry == NULL) {
9120 new_entry->index = hash;
9121 g_ptr_array_index (table, hash) = new_entry;
9124 entry = entry->next;
9126 entry->next = new_entry;
9127 new_entry->index = table->len;
9128 g_ptr_array_add (table, new_entry);
9132 /* Emit the table */
9133 buf_size = table->len * 4 + 4;
9134 p = buf = (guint8 *)g_malloc0 (buf_size);
9136 /* FIXME: Optimize memory usage */
9137 g_assert (table_size < 65000);
9138 encode_int16 (table_size, p, &p);
9139 g_assert (table->len < 65000);
9140 for (i = 0; i < table->len; ++i) {
9141 ClassNameTableEntry *entry = (ClassNameTableEntry *)g_ptr_array_index (table, i);
9143 if (entry == NULL) {
9144 encode_int16 (0, p, &p);
9145 encode_int16 (0, p, &p);
9147 encode_int16 (mono_metadata_token_index (entry->token), p, &p);
9149 encode_int16 (entry->next->index, p, &p);
9151 encode_int16 (0, p, &p);
9155 g_assert (p - buf <= buf_size);
9156 g_ptr_array_free (table, TRUE);
9158 emit_aot_data (acfg, MONO_AOT_TABLE_CLASS_NAME, "class_name_table", buf, p - buf);
9164 emit_image_table (MonoAotCompile *acfg)
9170 * The image table is small but referenced in a lot of places.
9171 * So we emit it at once, and reference its elements by an index.
9173 buf_size = acfg->image_table->len * 28 + 4;
9174 for (i = 0; i < acfg->image_table->len; i++) {
9175 MonoImage *image = (MonoImage*)g_ptr_array_index (acfg->image_table, i);
9176 MonoAssemblyName *aname = &image->assembly->aname;
9178 buf_size += strlen (image->assembly_name) + strlen (image->guid) + (aname->culture ? strlen (aname->culture) : 1) + strlen ((char*)aname->public_key_token) + 4;
9181 buf = p = (guint8 *)g_malloc0 (buf_size);
9182 encode_int (acfg->image_table->len, p, &p);
9183 for (i = 0; i < acfg->image_table->len; i++) {
9184 MonoImage *image = (MonoImage*)g_ptr_array_index (acfg->image_table, i);
9185 MonoAssemblyName *aname = &image->assembly->aname;
9187 /* FIXME: Support multi-module assemblies */
9188 g_assert (image->assembly->image == image);
9190 encode_string (image->assembly_name, p, &p);
9191 encode_string (image->guid, p, &p);
9192 encode_string (aname->culture ? aname->culture : "", p, &p);
9193 encode_string ((const char*)aname->public_key_token, p, &p);
9195 while (GPOINTER_TO_UINT (p) % 8 != 0)
9198 encode_int (aname->flags, p, &p);
9199 encode_int (aname->major, p, &p);
9200 encode_int (aname->minor, p, &p);
9201 encode_int (aname->build, p, &p);
9202 encode_int (aname->revision, p, &p);
9204 g_assert (p - buf <= buf_size);
9206 emit_aot_data (acfg, MONO_AOT_TABLE_IMAGE_TABLE, "image_table", buf, p - buf);
9212 emit_got_info (MonoAotCompile *acfg, gboolean llvm)
9214 int i, first_plt_got_patch = 0, buf_size;
9216 guint32 *got_info_offsets;
9217 GotInfo *info = llvm ? &acfg->llvm_got_info : &acfg->got_info;
9219 /* Add the patches needed by the PLT to the GOT */
9221 acfg->plt_got_offset_base = acfg->got_offset;
9222 first_plt_got_patch = info->got_patches->len;
9223 for (i = 1; i < acfg->plt_offset; ++i) {
9224 MonoPltEntry *plt_entry = (MonoPltEntry *)g_hash_table_lookup (acfg->plt_offset_to_entry, GUINT_TO_POINTER (i));
9226 g_ptr_array_add (info->got_patches, plt_entry->ji);
9228 acfg->stats.got_slot_types [plt_entry->ji->type] ++;
9231 acfg->got_offset += acfg->plt_offset;
9236 * - optimize offsets table.
9237 * - reduce number of exported symbols.
9238 * - emit info for a klass only once.
9239 * - determine when a method uses a GOT slot which is guaranteed to be already
9241 * - clean up and document the code.
9242 * - use String.Empty in class libs.
9245 /* Encode info required to decode shared GOT entries */
9246 buf_size = info->got_patches->len * 128;
9247 p = buf = (guint8 *)mono_mempool_alloc (acfg->mempool, buf_size);
9248 got_info_offsets = (guint32 *)mono_mempool_alloc (acfg->mempool, info->got_patches->len * sizeof (guint32));
9250 acfg->plt_got_info_offsets = (guint32 *)mono_mempool_alloc (acfg->mempool, acfg->plt_offset * sizeof (guint32));
9252 if (acfg->plt_offset)
9253 acfg->plt_got_info_offsets [0] = 0;
9255 for (i = 0; i < info->got_patches->len; ++i) {
9256 MonoJumpInfo *ji = (MonoJumpInfo *)g_ptr_array_index (info->got_patches, i);
9261 encode_value (ji->type, p, &p);
9263 encode_patch (acfg, ji, p, &p);
9264 acfg->stats.got_slot_info_sizes [ji->type] += p - p2;
9265 g_assert (p - buf <= buf_size);
9266 got_info_offsets [i] = add_to_blob (acfg, buf, p - buf);
9268 if (!llvm && i >= first_plt_got_patch)
9269 acfg->plt_got_info_offsets [i - first_plt_got_patch + 1] = got_info_offsets [i];
9270 acfg->stats.got_info_size += p - buf;
9273 /* Emit got_info_offsets table */
9275 /* No need to emit offsets for the got plt entries, the plt embeds them directly */
9276 acfg->stats.offsets_size += emit_offset_table (acfg, llvm ? "llvm_got_info_offsets" : "got_info_offsets", llvm ? MONO_AOT_TABLE_LLVM_GOT_INFO_OFFSETS : MONO_AOT_TABLE_GOT_INFO_OFFSETS, llvm ? acfg->llvm_got_offset : first_plt_got_patch, 10, (gint32*)got_info_offsets);
9280 emit_got (MonoAotCompile *acfg)
9282 char symbol [MAX_SYMBOL_SIZE];
9284 if (acfg->aot_opts.llvm_only)
9287 /* Don't make GOT global so accesses to it don't need relocations */
9288 sprintf (symbol, "%s", acfg->got_symbol);
9291 emit_unset_mode (acfg);
9292 fprintf (acfg->fp, ".section __DATA, __bss\n");
9293 emit_alignment (acfg, 8);
9295 emit_info_symbol (acfg, "jit_got");
9296 fprintf (acfg->fp, ".lcomm %s, %d\n", acfg->got_symbol, (int)(acfg->got_offset * sizeof (gpointer)));
9298 emit_section_change (acfg, ".bss", 0);
9299 emit_alignment (acfg, 8);
9300 if (acfg->aot_opts.write_symbols)
9301 emit_local_symbol (acfg, symbol, "got_end", FALSE);
9302 emit_label (acfg, symbol);
9304 emit_info_symbol (acfg, "jit_got");
9305 if (acfg->got_offset > 0)
9306 emit_zero_bytes (acfg, (int)(acfg->got_offset * sizeof (gpointer)));
9309 sprintf (symbol, "got_end");
9310 emit_label (acfg, symbol);
9313 typedef struct GlobalsTableEntry {
9314 guint32 value, index;
9315 struct GlobalsTableEntry *next;
9316 } GlobalsTableEntry;
9318 #ifdef TARGET_WIN32_MSVC
9319 #define DLL_ENTRY_POINT "DllMain"
9322 emit_library_info (MonoAotCompile *acfg)
9324 // Only include for shared libraries linked directly from generated object.
9325 if (link_shared_library (acfg)) {
9327 char symbol [MAX_SYMBOL_SIZE];
9329 // Ask linker to export all global symbols.
9330 emit_section_change (acfg, ".drectve", 0);
9331 for (guint i = 0; i < acfg->globals->len; ++i) {
9332 name = (char *)g_ptr_array_index (acfg->globals, i);
9333 g_assert (name != NULL);
9334 sprintf_s (symbol, MAX_SYMBOL_SIZE, " /EXPORT:%s", name);
9335 emit_string (acfg, symbol);
9338 // Emit DLLMain function, needed by MSVC linker for DLL's.
9339 // NOTE, DllMain should not go into exports above.
9340 emit_section_change (acfg, ".text", 0);
9341 emit_global (acfg, DLL_ENTRY_POINT, TRUE);
9342 emit_label (acfg, DLL_ENTRY_POINT);
9344 // Simple implementation of DLLMain, just returning TRUE.
9345 // For more information about DLLMain: https://msdn.microsoft.com/en-us/library/windows/desktop/ms682583(v=vs.85).aspx
9346 fprintf (acfg->fp, "movl $1, %%eax\n");
9347 fprintf (acfg->fp, "ret\n");
9349 // Inform linker about our dll entry function.
9350 emit_section_change (acfg, ".drectve", 0);
9351 emit_string (acfg, "/ENTRY:" DLL_ENTRY_POINT);
9359 emit_library_info (MonoAotCompile *acfg)
9366 emit_globals (MonoAotCompile *acfg)
9372 GlobalsTableEntry *entry, *new_entry;
9374 if (!acfg->aot_opts.static_link)
9377 if (acfg->aot_opts.llvm_only) {
9378 g_assert (acfg->globals->len == 0);
9383 * When static linking, we emit a table containing our globals.
9387 * Construct a chained hash table for mapping global names to their index in
9388 * the globals table.
9390 table_size = g_spaced_primes_closest ((int)(acfg->globals->len * 1.5));
9391 table = g_ptr_array_sized_new (table_size);
9392 for (i = 0; i < table_size; ++i)
9393 g_ptr_array_add (table, NULL);
9394 for (i = 0; i < acfg->globals->len; ++i) {
9395 char *name = (char *)g_ptr_array_index (acfg->globals, i);
9397 hash = mono_metadata_str_hash (name) % table_size;
9399 /* FIXME: Allocate from the mempool */
9400 new_entry = g_new0 (GlobalsTableEntry, 1);
9401 new_entry->value = i;
9403 entry = (GlobalsTableEntry *)g_ptr_array_index (table, hash);
9404 if (entry == NULL) {
9405 new_entry->index = hash;
9406 g_ptr_array_index (table, hash) = new_entry;
9409 entry = entry->next;
9411 entry->next = new_entry;
9412 new_entry->index = table->len;
9413 g_ptr_array_add (table, new_entry);
9417 /* Emit the table */
9418 sprintf (symbol, ".Lglobals_hash");
9419 emit_section_change (acfg, RODATA_SECT, 0);
9420 emit_alignment (acfg, 8);
9421 emit_label (acfg, symbol);
9423 /* FIXME: Optimize memory usage */
9424 g_assert (table_size < 65000);
9425 emit_int16 (acfg, table_size);
9426 for (i = 0; i < table->len; ++i) {
9427 GlobalsTableEntry *entry = (GlobalsTableEntry *)g_ptr_array_index (table, i);
9429 if (entry == NULL) {
9430 emit_int16 (acfg, 0);
9431 emit_int16 (acfg, 0);
9433 emit_int16 (acfg, entry->value + 1);
9435 emit_int16 (acfg, entry->next->index);
9437 emit_int16 (acfg, 0);
9441 /* Emit the names */
9442 for (i = 0; i < acfg->globals->len; ++i) {
9443 char *name = (char *)g_ptr_array_index (acfg->globals, i);
9445 sprintf (symbol, "name_%d", i);
9446 emit_section_change (acfg, RODATA_SECT, 1);
9448 emit_alignment (acfg, 4);
9450 emit_label (acfg, symbol);
9451 emit_string (acfg, name);
9454 /* Emit the globals table */
9455 sprintf (symbol, "globals");
9456 emit_section_change (acfg, ".data", 0);
9457 /* This is not a global, since it is accessed by the init function */
9458 emit_alignment (acfg, 8);
9459 emit_info_symbol (acfg, symbol);
9461 sprintf (symbol, "%sglobals_hash", acfg->temp_prefix);
9462 emit_pointer (acfg, symbol);
9464 for (i = 0; i < acfg->globals->len; ++i) {
9465 char *name = (char *)g_ptr_array_index (acfg->globals, i);
9467 sprintf (symbol, "name_%d", i);
9468 emit_pointer (acfg, symbol);
9470 g_assert (strlen (name) < sizeof (symbol));
9471 sprintf (symbol, "%s", name);
9472 emit_pointer (acfg, symbol);
9474 /* Null terminate the table */
9475 emit_int32 (acfg, 0);
9476 emit_int32 (acfg, 0);
9480 emit_mem_end (MonoAotCompile *acfg)
9484 if (acfg->aot_opts.llvm_only)
9487 sprintf (symbol, "mem_end");
9488 emit_section_change (acfg, ".text", 1);
9489 emit_alignment_code (acfg, 8);
9490 emit_label (acfg, symbol);
9494 init_aot_file_info (MonoAotCompile *acfg, MonoAotFileInfo *info)
9498 info->version = MONO_AOT_FILE_VERSION;
9499 info->plt_got_offset_base = acfg->plt_got_offset_base;
9500 info->got_size = acfg->got_offset * sizeof (gpointer);
9501 info->plt_size = acfg->plt_offset;
9502 info->nmethods = acfg->nmethods;
9503 info->flags = acfg->flags;
9504 info->opts = acfg->opts;
9505 info->simd_opts = acfg->simd_opts;
9506 info->gc_name_index = acfg->gc_name_offset;
9507 info->datafile_size = acfg->datafile_offset;
9508 for (i = 0; i < MONO_AOT_TABLE_NUM; ++i)
9509 info->table_offsets [i] = acfg->table_offsets [i];
9510 for (i = 0; i < MONO_AOT_TRAMP_NUM; ++i)
9511 info->num_trampolines [i] = acfg->num_trampolines [i];
9512 for (i = 0; i < MONO_AOT_TRAMP_NUM; ++i)
9513 info->trampoline_got_offset_base [i] = acfg->trampoline_got_offset_base [i];
9514 for (i = 0; i < MONO_AOT_TRAMP_NUM; ++i)
9515 info->trampoline_size [i] = acfg->trampoline_size [i];
9516 info->num_rgctx_fetch_trampolines = acfg->aot_opts.nrgctx_fetch_trampolines;
9518 info->double_align = MONO_ABI_ALIGNOF (double);
9519 info->long_align = MONO_ABI_ALIGNOF (gint64);
9520 info->generic_tramp_num = MONO_TRAMPOLINE_NUM;
9521 info->tramp_page_size = acfg->tramp_page_size;
9522 info->nshared_got_entries = acfg->nshared_got_entries;
9523 for (i = 0; i < MONO_AOT_TRAMP_NUM; ++i)
9524 info->tramp_page_code_offsets [i] = acfg->tramp_page_code_offsets [i];
9526 memcpy(&info->aotid, acfg->image->aotid, 16);
9530 emit_aot_file_info (MonoAotCompile *acfg, MonoAotFileInfo *info)
9532 char symbol [MAX_SYMBOL_SIZE];
9534 const char **symbols;
9536 symbols = g_new0 (const char *, MONO_AOT_FILE_INFO_NUM_SYMBOLS);
9538 symbols [sindex ++] = acfg->got_symbol;
9540 symbols [sindex ++] = g_strdup_printf ("%s%s", acfg->user_symbol_prefix, acfg->llvm_got_symbol);
9541 symbols [sindex ++] = acfg->llvm_eh_frame_symbol;
9543 symbols [sindex ++] = NULL;
9544 symbols [sindex ++] = NULL;
9546 /* llvm_get_method */
9547 symbols [sindex ++] = NULL;
9548 /* llvm_get_unbox_tramp */
9549 symbols [sindex ++] = NULL;
9550 if (!acfg->aot_opts.llvm_only) {
9551 symbols [sindex ++] = "jit_code_start";
9552 symbols [sindex ++] = "jit_code_end";
9553 symbols [sindex ++] = "method_addresses";
9555 symbols [sindex ++] = NULL;
9556 symbols [sindex ++] = NULL;
9557 symbols [sindex ++] = NULL;
9559 if (acfg->data_outfile) {
9560 for (i = 0; i < MONO_AOT_TABLE_NUM; ++i)
9561 symbols [sindex ++] = NULL;
9563 symbols [sindex ++] = "blob";
9564 symbols [sindex ++] = "class_name_table";
9565 symbols [sindex ++] = "class_info_offsets";
9566 symbols [sindex ++] = "method_info_offsets";
9567 symbols [sindex ++] = "ex_info_offsets";
9568 symbols [sindex ++] = "extra_method_info_offsets";
9569 symbols [sindex ++] = "extra_method_table";
9570 symbols [sindex ++] = "got_info_offsets";
9572 symbols [sindex ++] = "llvm_got_info_offsets";
9574 symbols [sindex ++] = NULL;
9575 symbols [sindex ++] = "image_table";
9577 symbols [sindex ++] = "mem_end";
9578 symbols [sindex ++] = "assembly_guid";
9579 symbols [sindex ++] = "runtime_version";
9580 if (acfg->num_trampoline_got_entries) {
9581 symbols [sindex ++] = "specific_trampolines";
9582 symbols [sindex ++] = "static_rgctx_trampolines";
9583 symbols [sindex ++] = "imt_trampolines";
9584 symbols [sindex ++] = "gsharedvt_arg_trampolines";
9586 symbols [sindex ++] = NULL;
9587 symbols [sindex ++] = NULL;
9588 symbols [sindex ++] = NULL;
9589 symbols [sindex ++] = NULL;
9591 if (acfg->aot_opts.static_link) {
9592 symbols [sindex ++] = "globals";
9594 symbols [sindex ++] = NULL;
9596 symbols [sindex ++] = "assembly_name";
9597 symbols [sindex ++] = "plt";
9598 symbols [sindex ++] = "plt_end";
9599 symbols [sindex ++] = "unwind_info";
9600 if (!acfg->aot_opts.llvm_only) {
9601 symbols [sindex ++] = "unbox_trampolines";
9602 symbols [sindex ++] = "unbox_trampolines_end";
9603 symbols [sindex ++] = "unbox_trampoline_addresses";
9605 symbols [sindex ++] = NULL;
9606 symbols [sindex ++] = NULL;
9607 symbols [sindex ++] = NULL;
9610 g_assert (sindex == MONO_AOT_FILE_INFO_NUM_SYMBOLS);
9612 sprintf (symbol, "%smono_aot_file_info", acfg->user_symbol_prefix);
9613 emit_section_change (acfg, ".data", 0);
9614 emit_alignment (acfg, 8);
9615 emit_label (acfg, symbol);
9616 if (!acfg->aot_opts.static_link)
9617 emit_global (acfg, symbol, FALSE);
9619 /* The data emitted here must match MonoAotFileInfo. */
9621 emit_int32 (acfg, info->version);
9622 emit_int32 (acfg, info->dummy);
9625 * We emit pointers to our data structures instead of emitting global symbols which
9626 * point to them, to reduce the number of globals, and because using globals leads to
9627 * various problems (i.e. arm/thumb).
9629 for (i = 0; i < MONO_AOT_FILE_INFO_NUM_SYMBOLS; ++i)
9630 emit_pointer (acfg, symbols [i]);
9632 emit_int32 (acfg, info->plt_got_offset_base);
9633 emit_int32 (acfg, info->got_size);
9634 emit_int32 (acfg, info->plt_size);
9635 emit_int32 (acfg, info->nmethods);
9636 emit_int32 (acfg, info->flags);
9637 emit_int32 (acfg, info->opts);
9638 emit_int32 (acfg, info->simd_opts);
9639 emit_int32 (acfg, info->gc_name_index);
9640 emit_int32 (acfg, info->num_rgctx_fetch_trampolines);
9641 emit_int32 (acfg, info->double_align);
9642 emit_int32 (acfg, info->long_align);
9643 emit_int32 (acfg, info->generic_tramp_num);
9644 emit_int32 (acfg, info->tramp_page_size);
9645 emit_int32 (acfg, info->nshared_got_entries);
9646 emit_int32 (acfg, info->datafile_size);
9648 for (i = 0; i < MONO_AOT_TABLE_NUM; ++i)
9649 emit_int32 (acfg, info->table_offsets [i]);
9650 for (i = 0; i < MONO_AOT_TRAMP_NUM; ++i)
9651 emit_int32 (acfg, info->num_trampolines [i]);
9652 for (i = 0; i < MONO_AOT_TRAMP_NUM; ++i)
9653 emit_int32 (acfg, info->trampoline_got_offset_base [i]);
9654 for (i = 0; i < MONO_AOT_TRAMP_NUM; ++i)
9655 emit_int32 (acfg, info->trampoline_size [i]);
9656 for (i = 0; i < MONO_AOT_TRAMP_NUM; ++i)
9657 emit_int32 (acfg, info->tramp_page_code_offsets [i]);
9659 emit_bytes (acfg, info->aotid, 16);
9661 if (acfg->aot_opts.static_link) {
9662 emit_global_inner (acfg, acfg->static_linking_symbol, FALSE);
9663 emit_alignment (acfg, sizeof (gpointer));
9664 emit_label (acfg, acfg->static_linking_symbol);
9665 emit_pointer_2 (acfg, acfg->user_symbol_prefix, "mono_aot_file_info");
9670 * Emit a structure containing all the information not stored elsewhere.
9673 emit_file_info (MonoAotCompile *acfg)
9676 MonoAotFileInfo *info;
9678 if (acfg->aot_opts.bind_to_runtime_version) {
9679 build_info = mono_get_runtime_build_info ();
9680 emit_string_symbol (acfg, "runtime_version", build_info);
9681 g_free (build_info);
9683 emit_string_symbol (acfg, "runtime_version", "");
9686 emit_string_symbol (acfg, "assembly_guid" , acfg->image->guid);
9688 /* Emit a string holding the assembly name */
9689 emit_string_symbol (acfg, "assembly_name", acfg->image->assembly->aname.name);
9691 info = g_new0 (MonoAotFileInfo, 1);
9692 init_aot_file_info (acfg, info);
9694 if (acfg->aot_opts.static_link) {
9695 char symbol [MAX_SYMBOL_SIZE];
9699 * Emit a global symbol which can be passed by an embedding app to
9700 * mono_aot_register_module (). The symbol points to a pointer to the the file info
9703 sprintf (symbol, "%smono_aot_module_%s_info", acfg->user_symbol_prefix, acfg->image->assembly->aname.name);
9705 /* Get rid of characters which cannot occur in symbols */
9707 for (p = symbol; *p; ++p) {
9708 if (!(isalnum (*p) || *p == '_'))
9711 acfg->static_linking_symbol = g_strdup (symbol);
9715 mono_llvm_emit_aot_file_info (info, acfg->has_jitted_code);
9717 emit_aot_file_info (acfg, info);
9721 emit_blob (MonoAotCompile *acfg)
9723 acfg->blob_closed = TRUE;
9725 emit_aot_data (acfg, MONO_AOT_TABLE_BLOB, "blob", (guint8*)acfg->blob.data, acfg->blob.index);
9729 emit_objc_selectors (MonoAotCompile *acfg)
9734 if (!acfg->objc_selectors || acfg->objc_selectors->len == 0)
9739 * cat > foo.m << EOF
9742 * return @selector(print:);
9747 mono_img_writer_emit_unset_mode (acfg->w);
9748 g_assert (acfg->fp);
9749 fprintf (acfg->fp, ".section __DATA,__objc_selrefs,literal_pointers,no_dead_strip\n");
9750 fprintf (acfg->fp, ".align 3\n");
9751 for (i = 0; i < acfg->objc_selectors->len; ++i) {
9752 sprintf (symbol, "L_OBJC_SELECTOR_REFERENCES_%d", i);
9753 emit_label (acfg, symbol);
9754 sprintf (symbol, "L_OBJC_METH_VAR_NAME_%d", i);
9755 emit_pointer (acfg, symbol);
9758 fprintf (acfg->fp, ".section __TEXT,__cstring,cstring_literals\n");
9759 for (i = 0; i < acfg->objc_selectors->len; ++i) {
9760 fprintf (acfg->fp, "L_OBJC_METH_VAR_NAME_%d:\n", i);
9761 fprintf (acfg->fp, ".asciz \"%s\"\n", (char*)g_ptr_array_index (acfg->objc_selectors, i));
9764 fprintf (acfg->fp, ".section __DATA,__objc_imageinfo,regular,no_dead_strip\n");
9765 fprintf (acfg->fp, ".align 3\n");
9766 fprintf (acfg->fp, "L_OBJC_IMAGE_INFO:\n");
9767 fprintf (acfg->fp, ".long 0\n");
9768 fprintf (acfg->fp, ".long 16\n");
9772 emit_dwarf_info (MonoAotCompile *acfg)
9774 #ifdef EMIT_DWARF_INFO
9778 /* DIEs for methods */
9779 for (i = 0; i < acfg->nmethods; ++i) {
9780 MonoCompile *cfg = acfg->cfgs [i];
9785 // FIXME: LLVM doesn't define .Lme_...
9786 if (cfg->compile_llvm)
9789 sprintf (symbol2, "%sme_%x", acfg->temp_prefix, i);
9791 mono_dwarf_writer_emit_method (acfg->dwarf, cfg, cfg->method, cfg->asm_symbol, symbol2, cfg->asm_debug_symbol, (guint8 *)cfg->jit_info->code_start, cfg->jit_info->code_size, cfg->args, cfg->locals, cfg->unwind_ops, mono_debug_find_method (cfg->jit_info->d.method, mono_domain_get ()));
9797 collect_methods (MonoAotCompile *acfg)
9800 MonoImage *image = acfg->image;
9802 /* Collect methods */
9803 for (i = 0; i < image->tables [MONO_TABLE_METHOD].rows; ++i) {
9806 guint32 token = MONO_TOKEN_METHOD_DEF | (i + 1);
9808 method = mono_get_method_checked (acfg->image, token, NULL, NULL, &error);
9811 aot_printerrf (acfg, "Failed to load method 0x%x from '%s' due to %s.\n", token, image->name, mono_error_get_message (&error));
9812 aot_printerrf (acfg, "Run with MONO_LOG_LEVEL=debug for more information.\n");
9813 mono_error_cleanup (&error);
9817 /* Load all methods eagerly to skip the slower lazy loading code */
9818 mono_class_setup_methods (method->klass);
9820 if (mono_aot_mode_is_full (&acfg->aot_opts) && method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) {
9821 /* Compile the wrapper instead */
9822 /* We do this here instead of add_wrappers () because it is easy to do it here */
9823 MonoMethod *wrapper = mono_marshal_get_native_wrapper (method, TRUE, TRUE);
9827 /* FIXME: Some mscorlib methods don't have debug info */
9829 if (acfg->aot_opts.soft_debug && !method->wrapper_type) {
9830 if (!((method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL) ||
9831 (method->iflags & METHOD_IMPL_ATTRIBUTE_RUNTIME) ||
9832 (method->flags & METHOD_ATTRIBUTE_ABSTRACT) ||
9833 (method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL))) {
9834 if (!mono_debug_lookup_method (method)) {
9835 fprintf (stderr, "Method %s has no debug info, probably the .mdb file for the assembly is missing.\n", mono_method_get_full_name (method));
9842 if (method->is_generic || mono_class_is_gtd (method->klass))
9843 /* Compile the ref shared version instead */
9844 method = mini_get_shared_method (method);
9846 /* Since we add the normal methods first, their index will be equal to their zero based token index */
9847 add_method_with_index (acfg, method, i, FALSE);
9848 acfg->method_index ++;
9851 /* gsharedvt methods */
9852 for (mindex = 0; mindex < image->tables [MONO_TABLE_METHOD].rows; ++mindex) {
9855 guint32 token = MONO_TOKEN_METHOD_DEF | (mindex + 1);
9857 if (!(acfg->opts & MONO_OPT_GSHAREDVT))
9860 method = mono_get_method_checked (acfg->image, token, NULL, NULL, &error);
9861 report_loader_error (acfg, &error, "Failed to load method token 0x%x due to %s\n", i, mono_error_get_message (&error));
9863 if (method->is_generic || mono_class_is_gtd (method->klass)) {
9864 MonoMethod *gshared;
9866 gshared = mini_get_shared_method_full (method, TRUE, TRUE);
9867 add_extra_method (acfg, gshared);
9871 if (mono_aot_mode_is_full (&acfg->aot_opts))
9872 add_generic_instances (acfg);
9874 if (mono_aot_mode_is_full (&acfg->aot_opts))
9875 add_wrappers (acfg);
9880 compile_methods (MonoAotCompile *acfg)
9884 if (acfg->aot_opts.nthreads > 0) {
9888 MonoThreadHandle *thread_handle;
9889 gpointer *user_data;
9890 MonoMethod **methods;
9892 methods_len = acfg->methods->len;
9894 len = acfg->methods->len / acfg->aot_opts.nthreads;
9897 * Partition the list of methods into fragments, and hand it to threads to
9900 threads = g_ptr_array_new ();
9901 /* Make a copy since acfg->methods is modified by compile_method () */
9902 methods = g_new0 (MonoMethod*, methods_len);
9903 //memcpy (methods, g_ptr_array_index (acfg->methods, 0), sizeof (MonoMethod*) * methods_len);
9904 for (i = 0; i < methods_len; ++i)
9905 methods [i] = (MonoMethod *)g_ptr_array_index (acfg->methods, i);
9907 while (i < methods_len) {
9908 frag = g_ptr_array_new ();
9909 for (j = 0; j < len; ++j) {
9910 if (i < methods_len) {
9911 g_ptr_array_add (frag, methods [i]);
9916 user_data = g_new0 (gpointer, 3);
9917 user_data [0] = mono_domain_get ();
9918 user_data [1] = acfg;
9919 user_data [2] = frag;
9921 thread_handle = mono_threads_create_thread (compile_thread_main, (gpointer) user_data, NULL, NULL);
9922 g_ptr_array_add (threads, thread_handle);
9926 for (i = 0; i < threads->len; ++i) {
9927 mono_thread_info_wait_one_handle (g_ptr_array_index (threads, i), MONO_INFINITE_WAIT, FALSE);
9928 mono_threads_close_thread_handle (g_ptr_array_index (threads, i));
9934 /* Compile methods added by compile_method () or all methods if nthreads == 0 */
9935 for (i = methods_len; i < acfg->methods->len; ++i) {
9936 /* This can new methods to acfg->methods */
9937 compile_method (acfg, (MonoMethod *)g_ptr_array_index (acfg->methods, i));
9942 compile_asm (MonoAotCompile *acfg)
9944 char *command, *objfile;
9945 char *outfile_name, *tmp_outfile_name, *llvm_ofile;
9946 const char *tool_prefix = acfg->aot_opts.tool_prefix ? acfg->aot_opts.tool_prefix : "";
9947 char *ld_flags = acfg->aot_opts.ld_flags ? acfg->aot_opts.ld_flags : g_strdup("");
9949 #ifdef TARGET_WIN32_MSVC
9950 #define AS_OPTIONS "-c -x assembler"
9951 #elif defined(TARGET_AMD64) && !defined(TARGET_MACH)
9952 #define AS_OPTIONS "--64"
9953 #elif defined(TARGET_POWERPC64)
9954 #define AS_OPTIONS "-a64 -mppc64"
9955 #elif defined(sparc) && SIZEOF_VOID_P == 8
9956 #define AS_OPTIONS "-xarch=v9"
9957 #elif defined(TARGET_X86) && defined(TARGET_MACH) && !defined(__native_client_codegen__)
9958 #define AS_OPTIONS "-arch i386"
9960 #define AS_OPTIONS ""
9963 #ifdef __native_client_codegen__
9964 #if defined(TARGET_AMD64)
9965 #define AS_NAME "nacl64-as"
9967 #define AS_NAME "nacl-as"
9969 #elif defined(TARGET_OSX)
9970 #define AS_NAME "clang"
9971 #elif defined(TARGET_WIN32_MSVC)
9972 #define AS_NAME "clang.exe"
9974 #define AS_NAME "as"
9977 #ifdef TARGET_WIN32_MSVC
9978 #define AS_OBJECT_FILE_SUFFIX "obj"
9980 #define AS_OBJECT_FILE_SUFFIX "o"
9984 #define LD_NAME "ld"
9985 #define LD_OPTIONS "-shared -G"
9986 #elif defined(__ppc__) && defined(TARGET_MACH)
9987 #define LD_NAME "gcc"
9988 #define LD_OPTIONS "-dynamiclib"
9989 #elif defined(TARGET_AMD64) && defined(TARGET_MACH)
9990 #define LD_NAME "clang"
9991 #define LD_OPTIONS "--shared"
9992 #elif defined(TARGET_WIN32_MSVC)
9993 #define LD_NAME "link.exe"
9994 #define LD_OPTIONS "/DLL /MACHINE:X64 /NOLOGO"
9995 #elif defined(TARGET_WIN32) && !defined(TARGET_ANDROID)
9996 #define LD_NAME "gcc"
9997 #define LD_OPTIONS "-shared"
9998 #elif defined(TARGET_X86) && defined(TARGET_MACH) && !defined(__native_client_codegen__)
9999 #define LD_NAME "clang"
10000 #define LD_OPTIONS "-m32 -dynamiclib"
10001 #elif defined(TARGET_ARM) && !defined(TARGET_ANDROID)
10002 #define LD_NAME "gcc"
10003 #define LD_OPTIONS "--shared"
10004 #elif defined(TARGET_POWERPC64)
10005 #define LD_OPTIONS "-m elf64ppc"
10009 #define LD_OPTIONS ""
10012 if (acfg->aot_opts.asm_only) {
10013 aot_printf (acfg, "Output file: '%s'.\n", acfg->tmpfname);
10014 if (acfg->aot_opts.static_link)
10015 aot_printf (acfg, "Linking symbol: '%s'.\n", acfg->static_linking_symbol);
10017 aot_printf (acfg, "LLVM output file: '%s'.\n", acfg->llvm_sfile);
10021 if (acfg->aot_opts.static_link) {
10022 if (acfg->aot_opts.outfile)
10023 objfile = g_strdup_printf ("%s", acfg->aot_opts.outfile);
10025 objfile = g_strdup_printf ("%s." AS_OBJECT_FILE_SUFFIX, acfg->image->name);
10027 objfile = g_strdup_printf ("%s." AS_OBJECT_FILE_SUFFIX, acfg->tmpfname);
10031 g_string_append (acfg->as_args, "-c -x assembler");
10034 command = g_strdup_printf ("\"%s%s\" %s %s -o %s %s", tool_prefix, AS_NAME, AS_OPTIONS,
10035 acfg->as_args ? acfg->as_args->str : "",
10036 wrap_path (objfile), wrap_path (acfg->tmpfname));
10037 aot_printf (acfg, "Executing the native assembler: %s\n", command);
10038 if (execute_system (command) != 0) {
10044 if (acfg->llvm && !acfg->llvm_owriter) {
10045 command = g_strdup_printf ("\"%s%s\" %s %s -o %s %s", tool_prefix, AS_NAME, AS_OPTIONS,
10046 acfg->as_args ? acfg->as_args->str : "",
10047 wrap_path (acfg->llvm_ofile), wrap_path (acfg->llvm_sfile));
10048 aot_printf (acfg, "Executing the native assembler: %s\n", command);
10049 if (execute_system (command) != 0) {
10058 if (acfg->aot_opts.static_link) {
10059 aot_printf (acfg, "Output file: '%s'.\n", objfile);
10060 aot_printf (acfg, "Linking symbol: '%s'.\n", acfg->static_linking_symbol);
10065 if (acfg->aot_opts.outfile)
10066 outfile_name = g_strdup_printf ("%s", acfg->aot_opts.outfile);
10068 outfile_name = g_strdup_printf ("%s%s", acfg->image->name, MONO_SOLIB_EXT);
10070 tmp_outfile_name = g_strdup_printf ("%s.tmp", outfile_name);
10073 llvm_ofile = g_strdup_printf ("\"%s\"", acfg->llvm_ofile);
10075 llvm_ofile = g_strdup ("");
10078 /* replace the ; flags separators with spaces */
10079 g_strdelimit (ld_flags, ";", ' ');
10081 if (acfg->aot_opts.llvm_only)
10082 ld_flags = g_strdup_printf ("%s %s", ld_flags, "-lstdc++");
10084 #ifdef TARGET_WIN32_MSVC
10085 g_assert (tmp_outfile_name != NULL);
10086 g_assert (objfile != NULL);
10087 command = g_strdup_printf ("\"%s%s\" %s %s /OUT:\"%s\" \"%s\"", tool_prefix, LD_NAME, LD_OPTIONS,
10088 ld_flags, tmp_outfile_name, objfile);
10089 #elif defined(LD_NAME)
10090 command = g_strdup_printf ("%s%s %s -o %s %s %s %s", tool_prefix, LD_NAME, LD_OPTIONS,
10091 wrap_path (tmp_outfile_name), wrap_path (llvm_ofile),
10092 wrap_path (g_strdup_printf ("%s." AS_OBJECT_FILE_SUFFIX, acfg->tmpfname)), ld_flags);
10095 if (acfg->aot_opts.tool_prefix) {
10096 /* Cross compiling */
10097 command = g_strdup_printf ("\"%sld\" %s -shared -o %s %s %s %s", tool_prefix, LD_OPTIONS,
10098 wrap_path (tmp_outfile_name), wrap_path (llvm_ofile),
10099 wrap_path (g_strdup_printf ("%s." AS_OBJECT_FILE_SUFFIX, acfg->tmpfname)), ld_flags);
10101 char *args = g_strdup_printf ("%s -shared -o %s %s %s %s", LD_OPTIONS,
10102 wrap_path (tmp_outfile_name), wrap_path (llvm_ofile),
10103 wrap_path (g_strdup_printf ("%s." AS_OBJECT_FILE_SUFFIX, acfg->tmpfname)), ld_flags);
10106 command = g_strdup_printf ("clang++ %s", args);
10108 command = g_strdup_printf ("\"%sld\" %s", tool_prefix, args);
10113 aot_printf (acfg, "Executing the native linker: %s\n", command);
10114 if (execute_system (command) != 0) {
10115 g_free (tmp_outfile_name);
10116 g_free (outfile_name);
10125 /*com = g_strdup_printf ("strip --strip-unneeded %s%s", acfg->image->name, MONO_SOLIB_EXT);
10126 printf ("Stripping the binary: %s\n", com);
10127 execute_system (com);
10130 #if defined(TARGET_ARM) && !defined(TARGET_MACH)
10132 * gas generates 'mapping symbols' each time code and data is mixed, which
10133 * happens a lot in emit_and_reloc_code (), so we need to get rid of them.
10135 command = g_strdup_printf ("\"%sstrip\" --strip-symbol=\\$a --strip-symbol=\\$d %s", wrap_path(tool_prefix), wrap_path(tmp_outfile_name));
10136 aot_printf (acfg, "Stripping the binary: %s\n", command);
10137 if (execute_system (command) != 0) {
10138 g_free (tmp_outfile_name);
10139 g_free (outfile_name);
10146 if (0 != rename (tmp_outfile_name, outfile_name)) {
10147 if (G_FILE_ERROR_EXIST == g_file_error_from_errno (errno)) {
10148 /* Since we are rebuilding the module we need to be able to replace any old copies. Remove old file and retry rename operation. */
10149 unlink (outfile_name);
10150 rename (tmp_outfile_name, outfile_name);
10154 #if defined(TARGET_MACH)
10155 command = g_strdup_printf ("dsymutil \"%s\"", outfile_name);
10156 aot_printf (acfg, "Executing dsymutil: %s\n", command);
10157 if (execute_system (command) != 0) {
10162 if (!acfg->aot_opts.save_temps)
10165 g_free (tmp_outfile_name);
10166 g_free (outfile_name);
10169 if (acfg->aot_opts.save_temps)
10170 aot_printf (acfg, "Retained input file.\n");
10172 unlink (acfg->tmpfname);
10177 static void init_got_info (GotInfo *info)
10181 info->patch_to_got_offset = g_hash_table_new (mono_patch_info_hash, mono_patch_info_equal);
10182 info->patch_to_got_offset_by_type = g_new0 (GHashTable*, MONO_PATCH_INFO_NUM);
10183 for (i = 0; i < MONO_PATCH_INFO_NUM; ++i)
10184 info->patch_to_got_offset_by_type [i] = g_hash_table_new (mono_patch_info_hash, mono_patch_info_equal);
10185 info->got_patches = g_ptr_array_new ();
10188 static MonoAotCompile*
10189 acfg_create (MonoAssembly *ass, guint32 opts)
10191 MonoImage *image = ass->image;
10192 MonoAotCompile *acfg;
10194 acfg = g_new0 (MonoAotCompile, 1);
10195 acfg->methods = g_ptr_array_new ();
10196 acfg->method_indexes = g_hash_table_new (NULL, NULL);
10197 acfg->method_depth = g_hash_table_new (NULL, NULL);
10198 acfg->plt_offset_to_entry = g_hash_table_new (NULL, NULL);
10199 acfg->patch_to_plt_entry = g_new0 (GHashTable*, MONO_PATCH_INFO_NUM);
10200 acfg->method_to_cfg = g_hash_table_new (NULL, NULL);
10201 acfg->token_info_hash = g_hash_table_new_full (NULL, NULL, NULL, NULL);
10202 acfg->method_to_pinvoke_import = g_hash_table_new_full (NULL, NULL, NULL, g_free);
10203 acfg->image_hash = g_hash_table_new (NULL, NULL);
10204 acfg->image_table = g_ptr_array_new ();
10205 acfg->globals = g_ptr_array_new ();
10206 acfg->image = image;
10208 /* TODO: Write out set of SIMD instructions used, rather than just those available */
10209 acfg->simd_opts = mono_arch_cpu_enumerate_simd_versions ();
10210 acfg->mempool = mono_mempool_new ();
10211 acfg->extra_methods = g_ptr_array_new ();
10212 acfg->unwind_info_offsets = g_hash_table_new (NULL, NULL);
10213 acfg->unwind_ops = g_ptr_array_new ();
10214 acfg->method_label_hash = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, NULL);
10215 acfg->method_order = g_ptr_array_new ();
10216 acfg->export_names = g_hash_table_new (NULL, NULL);
10217 acfg->klass_blob_hash = g_hash_table_new (NULL, NULL);
10218 acfg->method_blob_hash = g_hash_table_new (NULL, NULL);
10219 acfg->plt_entry_debug_sym_cache = g_hash_table_new (g_str_hash, g_str_equal);
10220 acfg->gsharedvt_in_signatures = g_hash_table_new ((GHashFunc)mono_signature_hash, (GEqualFunc)mono_metadata_signature_equal);
10221 acfg->gsharedvt_out_signatures = g_hash_table_new ((GHashFunc)mono_signature_hash, (GEqualFunc)mono_metadata_signature_equal);
10222 mono_os_mutex_init_recursive (&acfg->mutex);
10224 init_got_info (&acfg->got_info);
10225 init_got_info (&acfg->llvm_got_info);
10231 got_info_free (GotInfo *info)
10235 for (i = 0; i < MONO_PATCH_INFO_NUM; ++i)
10236 g_hash_table_destroy (info->patch_to_got_offset_by_type [i]);
10237 g_free (info->patch_to_got_offset_by_type);
10238 g_hash_table_destroy (info->patch_to_got_offset);
10239 g_ptr_array_free (info->got_patches, TRUE);
10243 acfg_free (MonoAotCompile *acfg)
10247 mono_img_writer_destroy (acfg->w);
10248 for (i = 0; i < acfg->nmethods; ++i)
10249 if (acfg->cfgs [i])
10250 mono_destroy_compile (acfg->cfgs [i]);
10252 g_free (acfg->cfgs);
10254 g_free (acfg->static_linking_symbol);
10255 g_free (acfg->got_symbol);
10256 g_free (acfg->plt_symbol);
10257 g_ptr_array_free (acfg->methods, TRUE);
10258 g_ptr_array_free (acfg->image_table, TRUE);
10259 g_ptr_array_free (acfg->globals, TRUE);
10260 g_ptr_array_free (acfg->unwind_ops, TRUE);
10261 g_hash_table_destroy (acfg->method_indexes);
10262 g_hash_table_destroy (acfg->method_depth);
10263 g_hash_table_destroy (acfg->plt_offset_to_entry);
10264 for (i = 0; i < MONO_PATCH_INFO_NUM; ++i) {
10265 if (acfg->patch_to_plt_entry [i])
10266 g_hash_table_destroy (acfg->patch_to_plt_entry [i]);
10268 g_free (acfg->patch_to_plt_entry);
10269 g_hash_table_destroy (acfg->method_to_cfg);
10270 g_hash_table_destroy (acfg->token_info_hash);
10271 g_hash_table_destroy (acfg->method_to_pinvoke_import);
10272 g_hash_table_destroy (acfg->image_hash);
10273 g_hash_table_destroy (acfg->unwind_info_offsets);
10274 g_hash_table_destroy (acfg->method_label_hash);
10275 if (acfg->typespec_classes)
10276 g_hash_table_destroy (acfg->typespec_classes);
10277 g_hash_table_destroy (acfg->export_names);
10278 g_hash_table_destroy (acfg->plt_entry_debug_sym_cache);
10279 g_hash_table_destroy (acfg->klass_blob_hash);
10280 g_hash_table_destroy (acfg->method_blob_hash);
10281 got_info_free (&acfg->got_info);
10282 got_info_free (&acfg->llvm_got_info);
10283 mono_mempool_destroy (acfg->mempool);
10287 #define WRAPPER(e,n) n,
10288 static const char* const
10289 wrapper_type_names [MONO_WRAPPER_NUM + 1] = {
10290 #include "mono/metadata/wrapper-types.h"
10294 static G_GNUC_UNUSED const char*
10295 get_wrapper_type_name (int type)
10297 return wrapper_type_names [type];
10303 static void aot_dump (MonoAotCompile *acfg)
10309 mono_json_writer_init (&writer);
10311 mono_json_writer_object_begin(&writer);
10314 mono_json_writer_indent (&writer);
10315 mono_json_writer_object_key(&writer, "methods");
10316 mono_json_writer_array_begin (&writer);
10319 for (i = 0; i < acfg->nmethods; ++i) {
10321 MonoMethod *method;
10324 cfg = acfg->cfgs [i];
10328 method = cfg->orig_method;
10330 mono_json_writer_indent (&writer);
10331 mono_json_writer_object_begin(&writer);
10333 mono_json_writer_indent (&writer);
10334 mono_json_writer_object_key(&writer, "name");
10335 mono_json_writer_printf (&writer, "\"%s\",\n", method->name);
10337 mono_json_writer_indent (&writer);
10338 mono_json_writer_object_key(&writer, "signature");
10339 mono_json_writer_printf (&writer, "\"%s\",\n", mono_method_get_full_name (method));
10341 mono_json_writer_indent (&writer);
10342 mono_json_writer_object_key(&writer, "code_size");
10343 mono_json_writer_printf (&writer, "\"%d\",\n", cfg->code_size);
10345 klass = method->klass;
10347 mono_json_writer_indent (&writer);
10348 mono_json_writer_object_key(&writer, "class");
10349 mono_json_writer_printf (&writer, "\"%s\",\n", klass->name);
10351 mono_json_writer_indent (&writer);
10352 mono_json_writer_object_key(&writer, "namespace");
10353 mono_json_writer_printf (&writer, "\"%s\",\n", klass->name_space);
10355 mono_json_writer_indent (&writer);
10356 mono_json_writer_object_key(&writer, "wrapper_type");
10357 mono_json_writer_printf (&writer, "\"%s\",\n", get_wrapper_type_name(method->wrapper_type));
10359 mono_json_writer_indent_pop (&writer);
10360 mono_json_writer_indent (&writer);
10361 mono_json_writer_object_end (&writer);
10362 mono_json_writer_printf (&writer, ",\n");
10365 mono_json_writer_indent_pop (&writer);
10366 mono_json_writer_indent (&writer);
10367 mono_json_writer_array_end (&writer);
10368 mono_json_writer_printf (&writer, ",\n");
10372 mono_json_writer_indent_push (&writer);
10373 mono_json_writer_indent (&writer);
10374 mono_json_writer_object_key(&writer, "plt");
10375 mono_json_writer_array_begin (&writer);
10377 for (i = 0; i < acfg->plt_offset; ++i) {
10378 MonoPltEntry *plt_entry = NULL;
10383 * The first plt entry is unused.
10387 plt_entry = g_hash_table_lookup (acfg->plt_offset_to_entry, GUINT_TO_POINTER (i));
10388 ji = plt_entry->ji;
10390 mono_json_writer_indent (&writer);
10391 mono_json_writer_printf (&writer, "{ ");
10392 mono_json_writer_object_key(&writer, "symbol");
10393 mono_json_writer_printf (&writer, "\"%s\" },\n", plt_entry->symbol);
10396 mono_json_writer_indent_pop (&writer);
10397 mono_json_writer_indent (&writer);
10398 mono_json_writer_array_end (&writer);
10399 mono_json_writer_printf (&writer, ",\n");
10404 mono_json_writer_indent_push (&writer);
10405 mono_json_writer_indent (&writer);
10406 mono_json_writer_object_key(&writer, "got");
10407 mono_json_writer_array_begin (&writer);
10409 mono_json_writer_indent_push (&writer);
10410 for (i = 0; i < acfg->got_info.got_patches->len; ++i) {
10411 MonoJumpInfo *ji = g_ptr_array_index (acfg->got_info.got_patches, i);
10413 mono_json_writer_indent (&writer);
10414 mono_json_writer_printf (&writer, "{ ");
10415 mono_json_writer_object_key(&writer, "patch_name");
10416 mono_json_writer_printf (&writer, "\"%s\" },\n", get_patch_name (ji->type));
10419 mono_json_writer_indent_pop (&writer);
10420 mono_json_writer_indent (&writer);
10421 mono_json_writer_array_end (&writer);
10422 mono_json_writer_printf (&writer, ",\n");
10425 mono_json_writer_indent_pop (&writer);
10426 mono_json_writer_indent (&writer);
10427 mono_json_writer_object_end (&writer);
10429 dumpname = g_strdup_printf ("%s.json", g_path_get_basename (acfg->image->name));
10430 dumpfile = fopen (dumpname, "w+");
10433 fprintf (dumpfile, "%s", writer.text->str);
10436 mono_json_writer_destroy (&writer);
10439 static const char *preinited_jit_icalls[] = {
10440 "mono_aot_init_llvm_method",
10441 "mono_aot_init_gshared_method_this",
10442 "mono_aot_init_gshared_method_mrgctx",
10443 "mono_aot_init_gshared_method_vtable",
10444 "mono_llvm_throw_corlib_exception",
10445 "mono_init_vtable_slot",
10446 "mono_helper_ldstr_mscorlib"
10450 add_preinit_got_slots (MonoAotCompile *acfg)
10456 * Allocate the first few GOT entries to information which is needed frequently, or it is needed
10457 * during method initialization etc.
10460 ji = (MonoJumpInfo *)mono_mempool_alloc0 (acfg->mempool, sizeof (MonoJumpInfo));
10461 ji->type = MONO_PATCH_INFO_IMAGE;
10462 ji->data.image = acfg->image;
10463 get_got_offset (acfg, FALSE, ji);
10464 get_got_offset (acfg, TRUE, ji);
10466 ji = (MonoJumpInfo *)mono_mempool_alloc0 (acfg->mempool, sizeof (MonoJumpInfo));
10467 ji->type = MONO_PATCH_INFO_MSCORLIB_GOT_ADDR;
10468 get_got_offset (acfg, FALSE, ji);
10469 get_got_offset (acfg, TRUE, ji);
10471 ji = (MonoJumpInfo *)mono_mempool_alloc0 (acfg->mempool, sizeof (MonoJumpInfo));
10472 ji->type = MONO_PATCH_INFO_GC_CARD_TABLE_ADDR;
10473 get_got_offset (acfg, FALSE, ji);
10474 get_got_offset (acfg, TRUE, ji);
10476 ji = (MonoJumpInfo *)mono_mempool_alloc0 (acfg->mempool, sizeof (MonoJumpInfo));
10477 ji->type = MONO_PATCH_INFO_GC_NURSERY_START;
10478 get_got_offset (acfg, FALSE, ji);
10479 get_got_offset (acfg, TRUE, ji);
10481 ji = (MonoJumpInfo *)mono_mempool_alloc0 (acfg->mempool, sizeof (MonoJumpInfo));
10482 ji->type = MONO_PATCH_INFO_JIT_TLS_ID;
10483 get_got_offset (acfg, FALSE, ji);
10484 get_got_offset (acfg, TRUE, ji);
10486 ji = (MonoJumpInfo *)mono_mempool_alloc0 (acfg->mempool, sizeof (MonoJumpInfo));
10487 ji->type = MONO_PATCH_INFO_AOT_MODULE;
10488 get_got_offset (acfg, FALSE, ji);
10489 get_got_offset (acfg, TRUE, ji);
10491 ji = (MonoJumpInfo *)mono_mempool_alloc0 (acfg->mempool, sizeof (MonoJumpInfo));
10492 ji->type = MONO_PATCH_INFO_GC_NURSERY_BITS;
10493 get_got_offset (acfg, FALSE, ji);
10494 get_got_offset (acfg, TRUE, ji);
10496 ji = (MonoJumpInfo *)mono_mempool_alloc0 (acfg->mempool, sizeof (MonoJumpInfo));
10497 ji->type = MONO_PATCH_INFO_GET_TLS_TRAMP;
10498 get_got_offset (acfg, FALSE, ji);
10499 get_got_offset (acfg, TRUE, ji);
10501 ji = (MonoJumpInfo *)mono_mempool_alloc0 (acfg->mempool, sizeof (MonoJumpInfo));
10502 ji->type = MONO_PATCH_INFO_JIT_THREAD_ATTACH;
10503 get_got_offset (acfg, FALSE, ji);
10504 get_got_offset (acfg, TRUE, ji);
10506 for (i = 0; i < sizeof (preinited_jit_icalls) / sizeof (char*); ++i) {
10507 ji = (MonoJumpInfo *)mono_mempool_alloc0 (acfg->mempool, sizeof (MonoAotCompile));
10508 ji->type = MONO_PATCH_INFO_INTERNAL_METHOD;
10509 ji->data.name = preinited_jit_icalls [i];
10510 get_got_offset (acfg, FALSE, ji);
10511 get_got_offset (acfg, TRUE, ji);
10514 acfg->nshared_got_entries = acfg->got_offset;
10518 mono_compile_assembly (MonoAssembly *ass, guint32 opts, const char *aot_options)
10520 MonoImage *image = ass->image;
10523 MonoAotCompile *acfg;
10524 char *outfile_name, *tmp_outfile_name, *p;
10525 char llvm_stats_msg [256];
10529 acfg = acfg_create (ass, opts);
10531 memset (&acfg->aot_opts, 0, sizeof (acfg->aot_opts));
10532 acfg->aot_opts.write_symbols = TRUE;
10533 acfg->aot_opts.ntrampolines = 4096;
10534 acfg->aot_opts.nrgctx_trampolines = 4096;
10535 acfg->aot_opts.nimt_trampolines = 512;
10536 acfg->aot_opts.nrgctx_fetch_trampolines = 128;
10537 acfg->aot_opts.ngsharedvt_arg_trampolines = 512;
10538 acfg->aot_opts.llvm_path = g_strdup ("");
10539 acfg->aot_opts.temp_path = g_strdup ("");
10541 acfg->aot_opts.use_trampolines_page = TRUE;
10544 mono_aot_parse_options (aot_options, &acfg->aot_opts);
10546 if (acfg->aot_opts.logfile) {
10547 acfg->logfile = fopen (acfg->aot_opts.logfile, "a+");
10550 if (acfg->aot_opts.data_outfile) {
10551 acfg->data_outfile = fopen (acfg->aot_opts.data_outfile, "w+");
10552 if (!acfg->data_outfile) {
10553 aot_printerrf (acfg, "Unable to create file '%s': %s\n", acfg->aot_opts.data_outfile, strerror (errno));
10556 acfg->flags = (MonoAotFileFlags)(acfg->flags | MONO_AOT_FILE_FLAG_SEPARATE_DATA);
10559 //acfg->aot_opts.print_skipped_methods = TRUE;
10561 #if !defined(MONO_ARCH_GSHAREDVT_SUPPORTED)
10562 if (acfg->opts & MONO_OPT_GSHAREDVT) {
10563 aot_printerrf (acfg, "-O=gsharedvt not supported on this platform.\n");
10566 if (acfg->aot_opts.llvm_only) {
10567 aot_printerrf (acfg, "--aot=llvmonly requires a runtime that supports gsharedvt.\n");
10571 if (acfg->aot_opts.llvm_only || mono_aot_mode_is_full (&acfg->aot_opts) || mono_aot_mode_is_hybrid (&acfg->aot_opts))
10572 acfg->opts |= MONO_OPT_GSHAREDVT;
10575 #if !defined(ENABLE_LLVM)
10576 if (acfg->aot_opts.llvm_only) {
10577 aot_printerrf (acfg, "--aot=llvmonly requires a runtime compiled with llvm support.\n");
10582 if (acfg->opts & MONO_OPT_GSHAREDVT)
10583 mono_set_generic_sharing_vt_supported (TRUE);
10585 aot_printf (acfg, "Mono Ahead of Time compiler - compiling assembly %s\n", image->name);
10587 generate_aotid ((guint8*) &acfg->image->aotid);
10589 char *aotid = mono_guid_to_string (acfg->image->aotid);
10590 aot_printf (acfg, "AOTID %s\n", aotid);
10593 #ifndef MONO_ARCH_HAVE_FULL_AOT_TRAMPOLINES
10594 if (mono_aot_mode_is_full (&acfg->aot_opts)) {
10595 aot_printerrf (acfg, "--aot=full is not supported on this platform.\n");
10600 if (acfg->aot_opts.direct_pinvoke && !acfg->aot_opts.static_link) {
10601 aot_printerrf (acfg, "The 'direct-pinvoke' AOT option also requires the 'static' AOT option.\n");
10605 if (acfg->aot_opts.static_link)
10606 acfg->aot_opts.asm_writer = TRUE;
10608 if (acfg->aot_opts.soft_debug) {
10609 MonoDebugOptions *opt = mini_get_debug_options ();
10611 opt->mdb_optimizations = TRUE;
10612 opt->gen_sdb_seq_points = TRUE;
10614 if (!mono_debug_enabled ()) {
10615 aot_printerrf (acfg, "The soft-debug AOT option requires the --debug option.\n");
10618 acfg->flags = (MonoAotFileFlags)(acfg->flags | MONO_AOT_FILE_FLAG_DEBUG);
10621 if (mono_use_llvm || acfg->aot_opts.llvm) {
10623 acfg->aot_opts.asm_writer = TRUE;
10624 acfg->flags = (MonoAotFileFlags)(acfg->flags | MONO_AOT_FILE_FLAG_WITH_LLVM);
10626 if (acfg->aot_opts.soft_debug) {
10627 aot_printerrf (acfg, "The 'soft-debug' option is not supported when compiling with LLVM.\n");
10633 if (acfg->aot_opts.asm_only && !acfg->aot_opts.llvm_outfile) {
10634 aot_printerrf (acfg, "Compiling with LLVM and the asm-only option requires the llvm-outfile= option.\n");
10639 if (mono_aot_mode_is_full (&acfg->aot_opts))
10640 acfg->flags = (MonoAotFileFlags)(acfg->flags | MONO_AOT_FILE_FLAG_FULL_AOT);
10642 if (mono_threads_is_coop_enabled ())
10643 acfg->flags = (MonoAotFileFlags)(acfg->flags | MONO_AOT_FILE_FLAG_SAFEPOINTS);
10645 if (acfg->aot_opts.instances_logfile_path) {
10646 acfg->instances_logfile = fopen (acfg->aot_opts.instances_logfile_path, "w");
10647 if (!acfg->instances_logfile) {
10648 aot_printerrf (acfg, "Unable to create logfile: '%s'.\n", acfg->aot_opts.instances_logfile_path);
10653 load_profile_files (acfg);
10655 acfg->num_trampolines [MONO_AOT_TRAMP_SPECIFIC] = mono_aot_mode_is_full (&acfg->aot_opts) ? acfg->aot_opts.ntrampolines : 0;
10656 #ifdef MONO_ARCH_GSHARED_SUPPORTED
10657 acfg->num_trampolines [MONO_AOT_TRAMP_STATIC_RGCTX] = mono_aot_mode_is_full (&acfg->aot_opts) ? acfg->aot_opts.nrgctx_trampolines : 0;
10659 acfg->num_trampolines [MONO_AOT_TRAMP_IMT] = mono_aot_mode_is_full (&acfg->aot_opts) ? acfg->aot_opts.nimt_trampolines : 0;
10660 #ifdef MONO_ARCH_GSHAREDVT_SUPPORTED
10661 if (acfg->opts & MONO_OPT_GSHAREDVT)
10662 acfg->num_trampolines [MONO_AOT_TRAMP_GSHAREDVT_ARG] = mono_aot_mode_is_full (&acfg->aot_opts) ? acfg->aot_opts.ngsharedvt_arg_trampolines : 0;
10665 acfg->temp_prefix = mono_img_writer_get_temp_label_prefix (NULL);
10669 if (mono_use_llvm || acfg->aot_opts.llvm) {
10672 * Emit all LLVM code into a separate assembly/object file and link with it
10675 if (!acfg->aot_opts.asm_only && acfg->llvm_owriter_supported) {
10676 acfg->llvm_owriter = TRUE;
10677 } else if (acfg->aot_opts.llvm_outfile) {
10678 int len = strlen (acfg->aot_opts.llvm_outfile);
10680 if (len >= 2 && acfg->aot_opts.llvm_outfile [len - 2] == '.' && acfg->aot_opts.llvm_outfile [len - 1] == 'o')
10681 acfg->llvm_owriter = TRUE;
10685 if (acfg->llvm && acfg->thumb_mixed)
10686 acfg->flags = (MonoAotFileFlags)(acfg->flags | MONO_AOT_FILE_FLAG_LLVM_THUMB);
10687 if (acfg->aot_opts.llvm_only)
10688 acfg->flags = (MonoAotFileFlags)(acfg->flags | MONO_AOT_FILE_FLAG_LLVM_ONLY);
10690 acfg->assembly_name_sym = g_strdup (acfg->image->assembly->aname.name);
10691 /* Get rid of characters which cannot occur in symbols */
10692 for (p = acfg->assembly_name_sym; *p; ++p) {
10693 if (!(isalnum (*p) || *p == '_'))
10697 acfg->global_prefix = g_strdup_printf ("mono_aot_%s", acfg->assembly_name_sym);
10698 acfg->plt_symbol = g_strdup_printf ("%s_plt", acfg->global_prefix);
10699 acfg->got_symbol = g_strdup_printf ("%s_got", acfg->global_prefix);
10701 acfg->llvm_got_symbol = g_strdup_printf ("%s_llvm_got", acfg->global_prefix);
10702 acfg->llvm_eh_frame_symbol = g_strdup_printf ("%s_eh_frame", acfg->global_prefix);
10705 acfg->method_index = 1;
10707 if (mono_aot_mode_is_full (&acfg->aot_opts) || mono_aot_mode_is_hybrid (&acfg->aot_opts))
10708 mono_set_partial_sharing_supported (TRUE);
10710 res = collect_methods (acfg);
10714 acfg->cfgs_size = acfg->methods->len + 32;
10715 acfg->cfgs = g_new0 (MonoCompile*, acfg->cfgs_size);
10717 /* PLT offset 0 is reserved for the PLT trampoline */
10718 acfg->plt_offset = 1;
10719 add_preinit_got_slots (acfg);
10724 mono_llvm_create_aot_module (acfg->image->assembly, acfg->global_prefix, TRUE, acfg->aot_opts.static_link, acfg->aot_opts.llvm_only);
10730 compile_methods (acfg);
10734 acfg->stats.jit_time = TV_ELAPSED (atv, btv);
10740 if (acfg->aot_opts.asm_only) {
10741 if (acfg->aot_opts.outfile) {
10742 acfg->tmpfname = g_strdup_printf ("%s", acfg->aot_opts.outfile);
10743 acfg->tmpbasename = g_strdup (acfg->tmpfname);
10745 acfg->tmpbasename = g_strdup_printf ("%s", acfg->image->name);
10746 acfg->tmpfname = g_strdup_printf ("%s.s", acfg->tmpbasename);
10748 g_assert (acfg->aot_opts.llvm_outfile);
10749 acfg->llvm_sfile = g_strdup (acfg->aot_opts.llvm_outfile);
10750 if (acfg->llvm_owriter)
10751 acfg->llvm_ofile = g_strdup (acfg->aot_opts.llvm_outfile);
10753 acfg->llvm_sfile = g_strdup (acfg->aot_opts.llvm_outfile);
10755 acfg->tmpbasename = (strcmp (acfg->aot_opts.temp_path, "") == 0) ?
10756 g_strdup_printf ("%s", "temp") :
10757 g_build_filename (acfg->aot_opts.temp_path, "temp", NULL);
10759 acfg->tmpfname = g_strdup_printf ("%s.s", acfg->tmpbasename);
10760 acfg->llvm_sfile = g_strdup_printf ("%s-llvm.s", acfg->tmpbasename);
10761 acfg->llvm_ofile = g_strdup_printf ("%s-llvm.o", acfg->tmpbasename);
10766 if (acfg->aot_opts.asm_only && !acfg->aot_opts.llvm_only) {
10767 if (acfg->aot_opts.outfile)
10768 acfg->tmpfname = g_strdup_printf ("%s", acfg->aot_opts.outfile);
10770 acfg->tmpfname = g_strdup_printf ("%s.s", acfg->image->name);
10771 acfg->fp = fopen (acfg->tmpfname, "w+");
10773 int i = g_file_open_tmp ("mono_aot_XXXXXX", &acfg->tmpfname, NULL);
10774 acfg->fp = fdopen (i, "w+");
10776 if (acfg->fp == 0 && !acfg->aot_opts.llvm_only) {
10777 aot_printerrf (acfg, "Unable to open file '%s': %s\n", acfg->tmpfname, strerror (errno));
10781 acfg->w = mono_img_writer_create (acfg->fp, FALSE);
10783 tmp_outfile_name = NULL;
10784 outfile_name = NULL;
10786 /* Compute symbols for methods */
10787 for (i = 0; i < acfg->nmethods; ++i) {
10788 if (acfg->cfgs [i]) {
10789 MonoCompile *cfg = acfg->cfgs [i];
10790 int method_index = get_method_index (acfg, cfg->orig_method);
10792 if (COMPILE_LLVM (cfg))
10793 cfg->asm_symbol = g_strdup_printf ("%s%s", acfg->llvm_label_prefix, cfg->llvm_method_name);
10794 else if (acfg->global_symbols || acfg->llvm)
10795 cfg->asm_symbol = get_debug_sym (cfg->orig_method, "", acfg->method_label_hash);
10797 cfg->asm_symbol = g_strdup_printf ("%s%sm_%x", acfg->temp_prefix, acfg->llvm_label_prefix, method_index);
10798 cfg->asm_debug_symbol = cfg->asm_symbol;
10802 if (acfg->aot_opts.dwarf_debug && acfg->aot_opts.gnu_asm) {
10804 * CLANG supports GAS .file/.loc directives, so emit line number information this way
10806 acfg->gas_line_numbers = TRUE;
10809 #ifdef EMIT_DWARF_INFO
10810 if ((!acfg->aot_opts.nodebug || acfg->aot_opts.dwarf_debug) && acfg->has_jitted_code) {
10811 if (acfg->aot_opts.dwarf_debug && !mono_debug_enabled ()) {
10812 aot_printerrf (acfg, "The dwarf AOT option requires the --debug option.\n");
10815 acfg->dwarf = mono_dwarf_writer_create (acfg->w, NULL, 0, !acfg->gas_line_numbers);
10817 #endif /* EMIT_DWARF_INFO */
10820 mono_img_writer_emit_start (acfg->w);
10823 mono_dwarf_writer_emit_base_info (acfg->dwarf, g_path_get_basename (acfg->image->name), mono_unwind_get_cie_program ());
10829 emit_extra_methods (acfg);
10831 emit_trampolines (acfg);
10833 emit_class_name_table (acfg);
10835 emit_got_info (acfg, FALSE);
10837 emit_got_info (acfg, TRUE);
10839 emit_exception_info (acfg);
10841 emit_unwind_info (acfg);
10843 emit_class_info (acfg);
10847 emit_image_table (acfg);
10853 * The managed allocators are GC specific, so can't use an AOT image created by one GC
10856 const char *gc_name = mono_gc_get_gc_name ();
10857 acfg->gc_name_offset = add_to_blob (acfg, (guint8*)gc_name, strlen (gc_name) + 1);
10862 emit_objc_selectors (acfg);
10864 emit_globals (acfg);
10866 emit_file_info (acfg);
10868 emit_library_info (acfg);
10871 emit_dwarf_info (acfg);
10872 mono_dwarf_writer_close (acfg->dwarf);
10875 emit_mem_end (acfg);
10877 if (acfg->need_pt_gnu_stack) {
10878 /* This is required so the .so doesn't have an executable stack */
10879 /* The bin writer already emits this */
10880 fprintf (acfg->fp, "\n.section .note.GNU-stack,\"\",@progbits\n");
10883 if (acfg->aot_opts.data_outfile)
10884 fclose (acfg->data_outfile);
10890 res = emit_llvm_file (acfg);
10898 acfg->stats.gen_time = TV_ELAPSED (atv, btv);
10901 sprintf (llvm_stats_msg, ", LLVM: %d (%d%%)", acfg->stats.llvm_count, acfg->stats.mcount ? (acfg->stats.llvm_count * 100) / acfg->stats.mcount : 100);
10903 strcpy (llvm_stats_msg, "");
10905 all_sizes = acfg->stats.code_size + acfg->stats.info_size + acfg->stats.ex_info_size + acfg->stats.unwind_info_size + acfg->stats.class_info_size + acfg->stats.got_info_size + acfg->stats.offsets_size + acfg->stats.plt_size;
10907 aot_printf (acfg, "Code: %d(%d%%) Info: %d(%d%%) Ex Info: %d(%d%%) Unwind Info: %d(%d%%) Class Info: %d(%d%%) PLT: %d(%d%%) GOT Info: %d(%d%%) Offsets: %d(%d%%) GOT: %d\n",
10908 (int)acfg->stats.code_size, (int)(acfg->stats.code_size * 100 / all_sizes),
10909 (int)acfg->stats.info_size, (int)(acfg->stats.info_size * 100 / all_sizes),
10910 (int)acfg->stats.ex_info_size, (int)(acfg->stats.ex_info_size * 100 / all_sizes),
10911 (int)acfg->stats.unwind_info_size, (int)(acfg->stats.unwind_info_size * 100 / all_sizes),
10912 (int)acfg->stats.class_info_size, (int)(acfg->stats.class_info_size * 100 / all_sizes),
10913 acfg->stats.plt_size ? (int)acfg->stats.plt_size : (int)acfg->plt_offset, acfg->stats.plt_size ? (int)(acfg->stats.plt_size * 100 / all_sizes) : 0,
10914 (int)acfg->stats.got_info_size, (int)(acfg->stats.got_info_size * 100 / all_sizes),
10915 (int)acfg->stats.offsets_size, (int)(acfg->stats.offsets_size * 100 / all_sizes),
10916 (int)(acfg->got_offset * sizeof (gpointer)));
10917 aot_printf (acfg, "Compiled: %d/%d (%d%%)%s, No GOT slots: %d (%d%%), Direct calls: %d (%d%%)\n",
10918 acfg->stats.ccount, acfg->stats.mcount, acfg->stats.mcount ? (acfg->stats.ccount * 100) / acfg->stats.mcount : 100,
10920 acfg->stats.methods_without_got_slots, acfg->stats.mcount ? (acfg->stats.methods_without_got_slots * 100) / acfg->stats.mcount : 100,
10921 acfg->stats.direct_calls, acfg->stats.all_calls ? (acfg->stats.direct_calls * 100) / acfg->stats.all_calls : 100);
10922 if (acfg->stats.genericcount)
10923 aot_printf (acfg, "%d methods are generic (%d%%)\n", acfg->stats.genericcount, acfg->stats.mcount ? (acfg->stats.genericcount * 100) / acfg->stats.mcount : 100);
10924 if (acfg->stats.abscount)
10925 aot_printf (acfg, "%d methods contain absolute addresses (%d%%)\n", acfg->stats.abscount, acfg->stats.mcount ? (acfg->stats.abscount * 100) / acfg->stats.mcount : 100);
10926 if (acfg->stats.lmfcount)
10927 aot_printf (acfg, "%d methods contain lmf pointers (%d%%)\n", acfg->stats.lmfcount, acfg->stats.mcount ? (acfg->stats.lmfcount * 100) / acfg->stats.mcount : 100);
10928 if (acfg->stats.ocount)
10929 aot_printf (acfg, "%d methods have other problems (%d%%)\n", acfg->stats.ocount, acfg->stats.mcount ? (acfg->stats.ocount * 100) / acfg->stats.mcount : 100);
10933 res = mono_img_writer_emit_writeout (acfg->w);
10938 res = compile_asm (acfg);
10945 acfg->stats.link_time = TV_ELAPSED (atv, btv);
10947 if (acfg->aot_opts.stats) {
10950 aot_printf (acfg, "GOT slot distribution:\n");
10951 for (i = 0; i < MONO_PATCH_INFO_NUM; ++i)
10952 if (acfg->stats.got_slot_types [i])
10953 aot_printf (acfg, "\t%s: %d (%d)\n", get_patch_name (i), acfg->stats.got_slot_types [i], acfg->stats.got_slot_info_sizes [i]);
10954 aot_printf (acfg, "\nMethod stats:\n");
10955 aot_printf (acfg, "\tNormal: %d\n", acfg->stats.method_categories [METHOD_CAT_NORMAL]);
10956 aot_printf (acfg, "\tInstance: %d\n", acfg->stats.method_categories [METHOD_CAT_INST]);
10957 aot_printf (acfg, "\tGSharedvt: %d\n", acfg->stats.method_categories [METHOD_CAT_GSHAREDVT]);
10958 aot_printf (acfg, "\tWrapper: %d\n", acfg->stats.method_categories [METHOD_CAT_WRAPPER]);
10961 aot_printf (acfg, "JIT time: %d ms, Generation time: %d ms, Assembly+Link time: %d ms.\n", acfg->stats.jit_time / 1000, acfg->stats.gen_time / 1000, acfg->stats.link_time / 1000);
10963 if (acfg->aot_opts.dump_json)
10976 mono_aot_readonly_field_override (MonoClassField *field)
10982 mono_compile_assembly (MonoAssembly *ass, guint32 opts, const char *aot_options)
10988 mono_aot_is_shared_got_offset (int offset)