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>
59 #include "aot-compiler.h"
60 #include "seq-points.h"
61 #include "image-writer.h"
62 #include "dwarfwriter.h"
64 #include "mini-llvm.h"
66 #if !defined(DISABLE_AOT) && !defined(DISABLE_JIT)
68 // Use MSVC toolchain, Clang for MSVC using MSVC codegen and linker, when compiling for AMD64
69 // targeting WIN32 platforms running AOT compiler on WIN32 platform with VS installation.
70 #if defined(TARGET_AMD64) && defined(TARGET_WIN32) && defined(HOST_WIN32) && defined(_MSC_VER)
71 #define TARGET_X86_64_WIN32_MSVC
74 #if defined(TARGET_X86_64_WIN32_MSVC)
75 #define TARGET_WIN32_MSVC
78 #if defined(__linux__) || defined(__native_client_codegen__)
79 #define RODATA_SECT ".rodata"
80 #elif defined(TARGET_MACH)
81 #define RODATA_SECT ".section __TEXT, __const"
82 #elif defined(TARGET_WIN32_MSVC)
83 #define RODATA_SECT ".rdata"
85 #define RODATA_SECT ".text"
88 #define TV_DECLARE(name) gint64 name
89 #define TV_GETTIME(tv) tv = mono_100ns_ticks ()
90 #define TV_ELAPSED(start,end) (((end) - (start)) / 10)
92 #define ALIGN_TO(val,align) ((((guint64)val) + ((align) - 1)) & ~((align) - 1))
93 #define ALIGN_PTR_TO(ptr,align) (gpointer)((((gssize)(ptr)) + (align - 1)) & (~(align - 1)))
94 #define ROUND_DOWN(VALUE,SIZE) ((VALUE) & ~((SIZE) - 1))
96 /* predefined values for static readonly fields without needed to run the .cctor */
97 typedef struct _ReadOnlyValue ReadOnlyValue;
98 struct _ReadOnlyValue {
101 int type; /* to be used later for typechecking to prevent user errors */
110 static ReadOnlyValue *readonly_values;
112 typedef struct MonoAotOptions {
117 gboolean write_symbols;
118 gboolean metadata_only;
119 gboolean bind_to_runtime_version;
122 gboolean static_link;
126 gboolean dwarf_debug;
128 gboolean log_generics;
129 gboolean log_instances;
130 gboolean gen_msym_dir;
131 char *gen_msym_dir_path;
132 gboolean direct_pinvoke;
133 gboolean direct_icalls;
134 gboolean no_direct_calls;
135 gboolean use_trampolines_page;
136 gboolean no_instances;
142 int nrgctx_trampolines;
143 int nimt_trampolines;
144 int ngsharedvt_arg_trampolines;
145 int nrgctx_fetch_trampolines;
146 gboolean print_skipped_methods;
153 char *instances_logfile_path;
160 METHOD_CAT_GSHAREDVT,
166 typedef struct MonoAotStats {
167 int ccount, mcount, lmfcount, abscount, gcount, ocount, genericcount;
168 gint64 code_size, info_size, ex_info_size, unwind_info_size, got_size, class_info_size, got_info_size, plt_size;
169 int methods_without_got_slots, direct_calls, all_calls, llvm_count;
170 int got_slots, offsets_size;
171 int method_categories [METHOD_CAT_NUM];
172 int got_slot_types [MONO_PATCH_INFO_NUM];
173 int got_slot_info_sizes [MONO_PATCH_INFO_NUM];
174 int jit_time, gen_time, link_time;
177 typedef struct GotInfo {
178 GHashTable *patch_to_got_offset;
179 GHashTable **patch_to_got_offset_by_type;
180 GPtrArray *got_patches;
183 typedef struct MonoAotCompile {
186 GHashTable *method_indexes;
187 GHashTable *method_depth;
190 GHashTable **patch_to_plt_entry;
191 GHashTable *plt_offset_to_entry;
192 //GHashTable *patch_to_got_offset;
193 //GHashTable **patch_to_got_offset_by_type;
194 //GPtrArray *got_patches;
195 GotInfo got_info, llvm_got_info;
196 GHashTable *image_hash;
197 GHashTable *method_to_cfg;
198 GHashTable *token_info_hash;
199 GHashTable *method_to_pinvoke_import;
200 GPtrArray *extra_methods;
201 GPtrArray *image_table;
203 GPtrArray *method_order;
204 GHashTable *export_names;
205 /* Maps MonoClass* -> blob offset */
206 GHashTable *klass_blob_hash;
207 /* Maps MonoMethod* -> blob offset */
208 GHashTable *method_blob_hash;
209 GHashTable *gsharedvt_in_signatures;
210 GHashTable *gsharedvt_out_signatures;
211 guint32 *plt_got_info_offsets;
212 guint32 got_offset, llvm_got_offset, plt_offset, plt_got_offset_base, nshared_got_entries;
213 /* Number of GOT entries reserved for trampolines */
214 guint32 num_trampoline_got_entries;
215 guint32 tramp_page_size;
217 guint32 table_offsets [MONO_AOT_TABLE_NUM];
218 guint32 num_trampolines [MONO_AOT_TRAMP_NUM];
219 guint32 trampoline_got_offset_base [MONO_AOT_TRAMP_NUM];
220 guint32 trampoline_size [MONO_AOT_TRAMP_NUM];
221 guint32 tramp_page_code_offsets [MONO_AOT_TRAMP_NUM];
223 MonoAotOptions aot_opts;
227 MonoMemPool *mempool;
230 char *static_linking_symbol;
232 gboolean gas_line_numbers;
233 /* Whenever to emit an object file directly from llc */
234 gboolean llvm_owriter;
235 gboolean llvm_owriter_supported;
237 MonoDwarfWriter *dwarf;
244 GHashTable *unwind_info_offsets;
245 GPtrArray *unwind_ops;
246 guint32 unwind_info_offset;
249 char *llvm_got_symbol;
251 char *llvm_eh_frame_symbol;
252 GHashTable *method_label_hash;
253 const char *temp_prefix;
254 const char *user_symbol_prefix;
255 const char *llvm_label_prefix;
256 const char *inst_directive;
258 guint32 label_generator;
260 gboolean has_jitted_code;
261 MonoAotFileFlags flags;
262 MonoDynamicStream blob;
263 gboolean blob_closed;
264 GHashTable *typespec_classes;
267 char *assembly_name_sym;
268 GHashTable *plt_entry_debug_sym_cache;
269 gboolean thumb_mixed, need_no_dead_strip, need_pt_gnu_stack;
270 GHashTable *ginst_hash;
271 GHashTable *dwarf_ln_filenames;
272 gboolean global_symbols;
273 int objc_selector_index, objc_selector_index_2;
274 GPtrArray *objc_selectors;
275 GHashTable *objc_selector_to_index;
277 FILE *instances_logfile;
285 char *symbol, *llvm_symbol, *debug_sym;
287 gboolean jit_used, llvm_used;
290 #define mono_acfg_lock(acfg) mono_os_mutex_lock (&((acfg)->mutex))
291 #define mono_acfg_unlock(acfg) mono_os_mutex_unlock (&((acfg)->mutex))
293 /* This points to the current acfg in LLVM mode */
294 static MonoAotCompile *llvm_acfg;
296 #ifdef HAVE_ARRAY_ELEM_INIT
297 #define MSGSTRFIELD(line) MSGSTRFIELD1(line)
298 #define MSGSTRFIELD1(line) str##line
299 static const struct msgstr_t {
300 #define PATCH_INFO(a,b) char MSGSTRFIELD(__LINE__) [sizeof (b)];
301 #include "patch-info.h"
304 #define PATCH_INFO(a,b) b,
305 #include "patch-info.h"
308 static const gint16 opidx [] = {
309 #define PATCH_INFO(a,b) [MONO_PATCH_INFO_ ## a] = offsetof (struct msgstr_t, MSGSTRFIELD(__LINE__)),
310 #include "patch-info.h"
314 static G_GNUC_UNUSED const char*
315 get_patch_name (int info)
317 return (const char*)&opstr + opidx [info];
321 #define PATCH_INFO(a,b) b,
322 static const char* const
323 patch_types [MONO_PATCH_INFO_NUM + 1] = {
324 #include "patch-info.h"
328 static G_GNUC_UNUSED const char*
329 get_patch_name (int info)
331 return patch_types [info];
337 get_unwind_info_offset (MonoAotCompile *acfg, guint8 *encoded, guint32 encoded_len);
340 get_plt_entry_debug_sym (MonoAotCompile *acfg, MonoJumpInfo *ji, GHashTable *cache);
343 add_gsharedvt_wrappers (MonoAotCompile *acfg, MonoMethodSignature *sig, gboolean gsharedvt_in, gboolean gsharedvt_out);
346 aot_printf (MonoAotCompile *acfg, const gchar *format, ...)
352 output = acfg->logfile;
356 va_start (args, format);
357 vfprintf (output, format, args);
362 aot_printerrf (MonoAotCompile *acfg, const gchar *format, ...)
368 output = acfg->logfile;
372 va_start (args, format);
373 vfprintf (output, format, args);
378 report_loader_error (MonoAotCompile *acfg, MonoError *error, const char *format, ...)
383 if (mono_error_ok (error))
387 output = acfg->logfile;
391 va_start (args, format);
392 vfprintf (output, format, args);
394 mono_error_cleanup (error);
396 g_error ("FullAOT cannot continue if there are loader errors");
399 /* Wrappers around the image writer functions */
401 #define MAX_SYMBOL_SIZE 256
403 static inline const char *
404 mangle_symbol (const char * symbol, char * mangled_symbol, gsize length)
406 gsize needed_size = length;
408 g_assert (NULL != symbol);
409 g_assert (NULL != mangled_symbol);
410 g_assert (0 != length);
412 #if defined(TARGET_WIN32) && defined(TARGET_X86)
413 if (symbol && '_' != symbol [0]) {
414 needed_size = g_snprintf (mangled_symbol, length, "_%s", symbol);
416 needed_size = g_snprintf (mangled_symbol, length, "%s", symbol);
419 needed_size = g_snprintf (mangled_symbol, length, "%s", symbol);
422 g_assert (0 <= needed_size && needed_size < length);
423 return mangled_symbol;
427 mangle_symbol_alloc (const char * symbol)
429 g_assert (NULL != symbol);
431 #if defined(TARGET_WIN32) && defined(TARGET_X86)
432 if (symbol && '_' != symbol [0]) {
433 return g_strdup_printf ("_%s", symbol);
436 return g_strdup_printf ("%s", symbol);
439 return g_strdup_printf ("%s", symbol);
444 emit_section_change (MonoAotCompile *acfg, const char *section_name, int subsection_index)
446 mono_img_writer_emit_section_change (acfg->w, section_name, subsection_index);
449 #if defined(TARGET_WIN32) && defined(TARGET_X86)
452 emit_local_symbol (MonoAotCompile *acfg, const char *name, const char *end_label, gboolean func)
454 const char * mangled_symbol_name = name;
455 char * mangled_symbol_name_alloc = NULL;
458 mangled_symbol_name_alloc = mangle_symbol_alloc (name);
459 mangled_symbol_name = mangled_symbol_name_alloc;
462 if (name != mangled_symbol_name && 0 != g_strcasecmp (name, mangled_symbol_name)) {
463 mono_img_writer_emit_label (acfg->w, mangled_symbol_name);
465 mono_img_writer_emit_local_symbol (acfg->w, mangled_symbol_name, end_label, func);
467 if (NULL != mangled_symbol_name_alloc) {
468 g_free (mangled_symbol_name_alloc);
475 emit_local_symbol (MonoAotCompile *acfg, const char *name, const char *end_label, gboolean func)
477 mono_img_writer_emit_local_symbol (acfg->w, name, end_label, func);
483 emit_label (MonoAotCompile *acfg, const char *name)
485 mono_img_writer_emit_label (acfg->w, name);
489 emit_bytes (MonoAotCompile *acfg, const guint8* buf, int size)
491 mono_img_writer_emit_bytes (acfg->w, buf, size);
495 emit_string (MonoAotCompile *acfg, const char *value)
497 mono_img_writer_emit_string (acfg->w, value);
501 emit_line (MonoAotCompile *acfg)
503 mono_img_writer_emit_line (acfg->w);
507 emit_alignment (MonoAotCompile *acfg, int size)
509 mono_img_writer_emit_alignment (acfg->w, size);
513 emit_alignment_code (MonoAotCompile *acfg, int size)
515 if (acfg->align_pad_value)
516 mono_img_writer_emit_alignment_fill (acfg->w, size, acfg->align_pad_value);
518 mono_img_writer_emit_alignment (acfg->w, size);
522 emit_padding (MonoAotCompile *acfg, int size)
527 if (acfg->align_pad_value) {
528 for (i = 0; i < 16; ++i)
529 buf [i] = acfg->align_pad_value;
531 memset (buf, 0, sizeof (buf));
534 for (i = 0; i < size; i += 16) {
536 emit_bytes (acfg, buf, size - i);
538 emit_bytes (acfg, buf, 16);
543 emit_pointer (MonoAotCompile *acfg, const char *target)
545 mono_img_writer_emit_pointer (acfg->w, target);
549 emit_pointer_2 (MonoAotCompile *acfg, const char *prefix, const char *target)
551 if (prefix [0] != '\0') {
552 char *s = g_strdup_printf ("%s%s", prefix, target);
553 mono_img_writer_emit_pointer (acfg->w, s);
556 mono_img_writer_emit_pointer (acfg->w, target);
561 emit_int16 (MonoAotCompile *acfg, int value)
563 mono_img_writer_emit_int16 (acfg->w, value);
567 emit_int32 (MonoAotCompile *acfg, int value)
569 mono_img_writer_emit_int32 (acfg->w, value);
573 emit_symbol_diff (MonoAotCompile *acfg, const char *end, const char* start, int offset)
575 mono_img_writer_emit_symbol_diff (acfg->w, end, start, offset);
579 emit_zero_bytes (MonoAotCompile *acfg, int num)
581 mono_img_writer_emit_zero_bytes (acfg->w, num);
585 emit_byte (MonoAotCompile *acfg, guint8 val)
587 mono_img_writer_emit_byte (acfg->w, val);
590 #if defined(TARGET_WIN32) && defined(TARGET_X86)
592 static G_GNUC_UNUSED void
593 emit_global_inner (MonoAotCompile *acfg, const char *name, gboolean func)
595 const char * mangled_symbol_name = name;
596 char * mangled_symbol_name_alloc = NULL;
598 mangled_symbol_name_alloc = mangle_symbol_alloc (name);
599 mangled_symbol_name = mangled_symbol_name_alloc;
601 if (0 != g_strcasecmp (name, mangled_symbol_name)) {
602 mono_img_writer_emit_label (acfg->w, mangled_symbol_name);
604 mono_img_writer_emit_global (acfg->w, mangled_symbol_name, func);
606 if (NULL != mangled_symbol_name_alloc) {
607 g_free (mangled_symbol_name_alloc);
613 static G_GNUC_UNUSED void
614 emit_global_inner (MonoAotCompile *acfg, const char *name, gboolean func)
616 mono_img_writer_emit_global (acfg->w, name, func);
621 static inline gboolean
622 link_shared_library (MonoAotCompile *acfg)
624 return !acfg->aot_opts.static_link && !acfg->aot_opts.asm_only;
627 static inline gboolean
628 add_to_global_symbol_table (MonoAotCompile *acfg)
630 #ifdef TARGET_WIN32_MSVC
631 return acfg->aot_opts.no_dlsym || link_shared_library (acfg);
633 return acfg->aot_opts.no_dlsym;
638 emit_global (MonoAotCompile *acfg, const char *name, gboolean func)
640 if (add_to_global_symbol_table (acfg))
641 g_ptr_array_add (acfg->globals, g_strdup (name));
643 if (acfg->aot_opts.no_dlsym) {
644 mono_img_writer_emit_local_symbol (acfg->w, name, NULL, func);
646 emit_global_inner (acfg, name, func);
651 emit_symbol_size (MonoAotCompile *acfg, const char *name, const char *end_label)
653 mono_img_writer_emit_symbol_size (acfg->w, name, end_label);
656 /* Emit a symbol which is referenced by the MonoAotFileInfo structure */
658 emit_info_symbol (MonoAotCompile *acfg, const char *name)
660 char symbol [MAX_SYMBOL_SIZE];
663 emit_label (acfg, name);
664 /* LLVM generated code references this */
665 sprintf (symbol, "%s%s%s", acfg->user_symbol_prefix, acfg->global_prefix, name);
666 emit_label (acfg, symbol);
667 emit_global_inner (acfg, symbol, FALSE);
669 emit_label (acfg, name);
674 emit_string_symbol (MonoAotCompile *acfg, const char *name, const char *value)
677 mono_llvm_emit_aot_data (name, (guint8*)value, strlen (value) + 1);
681 mono_img_writer_emit_section_change (acfg->w, RODATA_SECT, 1);
683 /* On apple, all symbols need to be aligned to avoid warnings from ld */
684 emit_alignment (acfg, 4);
686 mono_img_writer_emit_label (acfg->w, name);
687 mono_img_writer_emit_string (acfg->w, value);
690 static G_GNUC_UNUSED void
691 emit_uleb128 (MonoAotCompile *acfg, guint32 value)
694 guint8 b = value & 0x7f;
696 if (value != 0) /* more bytes to come */
702 static G_GNUC_UNUSED void
703 emit_sleb128 (MonoAotCompile *acfg, gint64 value)
706 gboolean negative = (value < 0);
713 /* the following is unnecessary if the
714 * implementation of >>= uses an arithmetic rather
715 * than logical shift for a signed left operand
719 value |= - ((gint64)1 <<(size - 7));
720 /* sign bit of byte is second high order bit (0x40) */
721 if ((value == 0 && !(byte & 0x40)) ||
722 (value == -1 && (byte & 0x40)))
726 emit_byte (acfg, byte);
730 static G_GNUC_UNUSED void
731 encode_uleb128 (guint32 value, guint8 *buf, guint8 **endbuf)
736 guint8 b = value & 0x7f;
738 if (value != 0) /* more bytes to come */
746 static G_GNUC_UNUSED void
747 encode_sleb128 (gint32 value, guint8 *buf, guint8 **endbuf)
750 gboolean negative = (value < 0);
758 /* the following is unnecessary if the
759 * implementation of >>= uses an arithmetic rather
760 * than logical shift for a signed left operand
764 value |= - (1 <<(size - 7));
765 /* sign bit of byte is second high order bit (0x40) */
766 if ((value == 0 && !(byte & 0x40)) ||
767 (value == -1 && (byte & 0x40)))
778 encode_int (gint32 val, guint8 *buf, guint8 **endbuf)
781 buf [0] = (val >> 0) & 0xff;
782 buf [1] = (val >> 8) & 0xff;
783 buf [2] = (val >> 16) & 0xff;
784 buf [3] = (val >> 24) & 0xff;
790 encode_int16 (guint16 val, guint8 *buf, guint8 **endbuf)
792 buf [0] = (val >> 0) & 0xff;
793 buf [1] = (val >> 8) & 0xff;
799 encode_string (const char *s, guint8 *buf, guint8 **endbuf)
801 int len = strlen (s);
803 memcpy (buf, s, len + 1);
804 *endbuf = buf + len + 1;
808 emit_unset_mode (MonoAotCompile *acfg)
810 mono_img_writer_emit_unset_mode (acfg->w);
813 static G_GNUC_UNUSED void
814 emit_set_thumb_mode (MonoAotCompile *acfg)
816 emit_unset_mode (acfg);
817 fprintf (acfg->fp, ".code 16\n");
820 static G_GNUC_UNUSED void
821 emit_set_arm_mode (MonoAotCompile *acfg)
823 emit_unset_mode (acfg);
824 fprintf (acfg->fp, ".code 32\n");
828 emit_code_bytes (MonoAotCompile *acfg, const guint8* buf, int size)
833 g_assert (size % 4 == 0);
834 emit_unset_mode (acfg);
835 for (i = 0; i < size; i += 4)
836 fprintf (acfg->fp, "%s 0x%x\n", acfg->inst_directive, *(guint32*)(buf + i));
838 emit_bytes (acfg, buf, size);
842 /* ARCHITECTURE SPECIFIC CODE */
844 #if defined(TARGET_X86) || defined(TARGET_AMD64) || defined(TARGET_ARM) || defined(TARGET_POWERPC) || defined(TARGET_ARM64)
845 #define EMIT_DWARF_INFO 1
848 #ifdef TARGET_WIN32_MSVC
849 #undef EMIT_DWARF_INFO
852 #if defined(TARGET_ARM)
853 #define AOT_FUNC_ALIGNMENT 4
855 #define AOT_FUNC_ALIGNMENT 16
858 #if defined(TARGET_POWERPC64) && !defined(__mono_ilp32__)
859 #define PPC_LD_OP "ld"
860 #define PPC_LDX_OP "ldx"
862 #define PPC_LD_OP "lwz"
863 #define PPC_LDX_OP "lwzx"
866 #ifdef TARGET_X86_64_WIN32_MSVC
867 #define AOT_TARGET_STR "AMD64 (WIN32) (MSVC codegen)"
869 #define AOT_TARGET_STR "AMD64"
874 #define AOT_TARGET_STR "ARM (MACH)"
876 #define AOT_TARGET_STR "ARM (!MACH)"
882 #define AOT_TARGET_STR "ARM64 (MACH)"
884 #define AOT_TARGET_STR "ARM64 (!MACH)"
888 #ifdef TARGET_POWERPC64
889 #ifdef __mono_ilp32__
890 #define AOT_TARGET_STR "POWERPC64 (mono ilp32)"
892 #define AOT_TARGET_STR "POWERPC64 (!mono ilp32)"
895 #ifdef TARGET_POWERPC
896 #ifdef __mono_ilp32__
897 #define AOT_TARGET_STR "POWERPC (mono ilp32)"
899 #define AOT_TARGET_STR "POWERPC (!mono ilp32)"
906 #define AOT_TARGET_STR "X86 (WIN32)"
907 #elif defined(__native_client_codegen__)
908 #define AOT_TARGET_STR "X86 (native client codegen)"
910 #define AOT_TARGET_STR "X86 (!native client codegen)"
914 #ifndef AOT_TARGET_STR
915 #define AOT_TARGET_STR ""
919 arch_init (MonoAotCompile *acfg)
921 acfg->llc_args = g_string_new ("");
922 acfg->as_args = g_string_new ("");
923 acfg->llvm_owriter_supported = TRUE;
926 * The prefix LLVM likes to put in front of symbol names on darwin.
927 * The mach-os specs require this for globals, but LLVM puts them in front of all
928 * symbols. We need to handle this, since we need to refer to LLVM generated
931 acfg->llvm_label_prefix = "";
932 acfg->user_symbol_prefix = "";
934 #if defined(TARGET_X86)
935 g_string_append (acfg->llc_args, " -march=x86 -mattr=sse4.1");
938 #if defined(TARGET_AMD64)
939 g_string_append (acfg->llc_args, " -march=x86-64 -mattr=sse4.1");
941 acfg->align_pad_value = 0x90;
945 if (acfg->aot_opts.mtriple && strstr (acfg->aot_opts.mtriple, "darwin")) {
946 g_string_append (acfg->llc_args, "-mattr=+v6");
948 #if defined(ARM_FPU_VFP_HARD)
949 g_string_append (acfg->llc_args, " -mattr=+vfp2,-neon,+d16 -float-abi=hard");
950 g_string_append (acfg->as_args, " -mfpu=vfp3");
951 #elif defined(ARM_FPU_VFP)
952 g_string_append (acfg->llc_args, " -mattr=+vfp2,-neon,+d16");
953 g_string_append (acfg->as_args, " -mfpu=vfp3");
955 g_string_append (acfg->llc_args, " -soft-float");
958 if (acfg->aot_opts.mtriple && strstr (acfg->aot_opts.mtriple, "thumb"))
959 acfg->thumb_mixed = TRUE;
961 if (acfg->aot_opts.mtriple)
962 mono_arch_set_target (acfg->aot_opts.mtriple);
966 acfg->inst_directive = ".inst";
967 if (acfg->aot_opts.mtriple)
968 mono_arch_set_target (acfg->aot_opts.mtriple);
972 acfg->user_symbol_prefix = "_";
973 acfg->llvm_label_prefix = "_";
974 acfg->inst_directive = ".word";
975 acfg->need_no_dead_strip = TRUE;
976 acfg->aot_opts.gnu_asm = TRUE;
979 #if defined(__linux__) && !defined(TARGET_ARM)
980 acfg->need_pt_gnu_stack = TRUE;
984 acfg->global_symbols = TRUE;
987 #ifdef TARGET_ANDROID
988 acfg->llvm_owriter_supported = FALSE;
995 /* Load the contents of GOT_SLOT into dreg, clobbering ip0 */
997 arm64_emit_load_got_slot (MonoAotCompile *acfg, int dreg, int got_slot)
1001 g_assert (acfg->fp);
1002 emit_unset_mode (acfg);
1004 offset = (int)(got_slot * sizeof (gpointer));
1006 /* clang's integrated assembler */
1007 fprintf (acfg->fp, "adrp x16, %s@PAGE+%d\n", acfg->got_symbol, offset & 0xfffff000);
1008 fprintf (acfg->fp, "add x16, x16, %s@PAGEOFF\n", acfg->got_symbol);
1009 fprintf (acfg->fp, "ldr x%d, [x16, #%d]\n", dreg, offset & 0xfff);
1012 fprintf (acfg->fp, "adrp x16, %s+%d\n", acfg->got_symbol, offset & 0xfffff000);
1013 fprintf (acfg->fp, "add x16, x16, :lo12:%s\n", acfg->got_symbol);
1014 fprintf (acfg->fp, "ldr x%d, [x16, %d]\n", dreg, offset & 0xfff);
1019 arm64_emit_objc_selector_ref (MonoAotCompile *acfg, guint8 *code, int index, int *code_size)
1023 g_assert (acfg->fp);
1024 emit_unset_mode (acfg);
1026 /* ldr rt, target */
1027 reg = arm_get_ldr_lit_reg (code);
1029 fprintf (acfg->fp, "adrp x%d, L_OBJC_SELECTOR_REFERENCES_%d@PAGE\n", reg, index);
1030 fprintf (acfg->fp, "add x%d, x%d, L_OBJC_SELECTOR_REFERENCES_%d@PAGEOFF\n", reg, reg, index);
1031 fprintf (acfg->fp, "ldr x%d, [x%d]\n", reg, reg);
1037 arm64_emit_direct_call (MonoAotCompile *acfg, const char *target, gboolean external, gboolean thumb, MonoJumpInfo *ji, int *call_size)
1039 g_assert (acfg->fp);
1040 emit_unset_mode (acfg);
1041 if (ji && ji->relocation == MONO_R_ARM64_B) {
1042 fprintf (acfg->fp, "b %s\n", target);
1045 g_assert (ji->relocation == MONO_R_ARM64_BL);
1046 fprintf (acfg->fp, "bl %s\n", target);
1052 arm64_emit_got_access (MonoAotCompile *acfg, guint8 *code, int got_slot, int *code_size)
1056 /* ldr rt, target */
1057 reg = arm_get_ldr_lit_reg (code);
1058 arm64_emit_load_got_slot (acfg, reg, got_slot);
1063 arm64_emit_plt_entry (MonoAotCompile *acfg, const char *got_symbol, int offset, int info_offset)
1065 arm64_emit_load_got_slot (acfg, ARMREG_R16, offset / sizeof (gpointer));
1066 fprintf (acfg->fp, "br x16\n");
1067 /* Used by mono_aot_get_plt_info_offset () */
1068 fprintf (acfg->fp, "%s %d\n", acfg->inst_directive, info_offset);
1072 arm64_emit_tramp_page_common_code (MonoAotCompile *acfg, int pagesize, int arg_reg, int *size)
1078 /* The common code */
1081 /* The trampoline address is in IP0 */
1082 arm_movzx (code, ARMREG_IP1, imm & 0xffff, 0);
1083 arm_movkx (code, ARMREG_IP1, (imm >> 16) & 0xffff, 16);
1084 /* Compute the data slot address */
1085 arm_subx (code, ARMREG_IP0, ARMREG_IP0, ARMREG_IP1);
1086 /* Trampoline argument */
1087 arm_ldrx (code, arg_reg, ARMREG_IP0, 0);
1089 arm_ldrx (code, ARMREG_IP0, ARMREG_IP0, 8);
1090 arm_brx (code, ARMREG_IP0);
1093 emit_code_bytes (acfg, buf, code - buf);
1099 arm64_emit_tramp_page_specific_code (MonoAotCompile *acfg, int pagesize, int common_tramp_size, int specific_tramp_size)
1105 count = (pagesize - common_tramp_size) / specific_tramp_size;
1106 for (i = 0; i < count; ++i) {
1108 arm_adrx (code, ARMREG_IP0, code);
1109 /* Branch to the generic code */
1110 arm_b (code, code - 4 - (i * specific_tramp_size) - common_tramp_size);
1111 /* This has to be 2 pointers long */
1114 g_assert (code - buf == specific_tramp_size);
1115 emit_code_bytes (acfg, buf, code - buf);
1120 arm64_emit_specific_trampoline_pages (MonoAotCompile *acfg)
1124 guint8 *labels [16];
1125 int common_tramp_size;
1126 int specific_tramp_size = 2 * 8;
1130 if (!acfg->aot_opts.use_trampolines_page)
1134 /* Have to match the target pagesize */
1137 pagesize = mono_pagesize ();
1139 acfg->tramp_page_size = pagesize;
1141 /* The specific trampolines */
1142 sprintf (symbol, "%sspecific_trampolines_page", acfg->user_symbol_prefix);
1143 emit_alignment (acfg, pagesize);
1144 emit_global (acfg, symbol, TRUE);
1145 emit_label (acfg, symbol);
1147 /* The common code */
1148 arm64_emit_tramp_page_common_code (acfg, pagesize, ARMREG_IP1, &common_tramp_size);
1149 acfg->tramp_page_code_offsets [MONO_AOT_TRAMP_SPECIFIC] = common_tramp_size;
1151 arm64_emit_tramp_page_specific_code (acfg, pagesize, common_tramp_size, specific_tramp_size);
1153 /* The rgctx trampolines */
1154 /* These are the same as the specific trampolines, but they load the argument into MONO_ARCH_RGCTX_REG */
1155 sprintf (symbol, "%srgctx_trampolines_page", acfg->user_symbol_prefix);
1156 emit_alignment (acfg, pagesize);
1157 emit_global (acfg, symbol, TRUE);
1158 emit_label (acfg, symbol);
1160 /* The common code */
1161 arm64_emit_tramp_page_common_code (acfg, pagesize, MONO_ARCH_RGCTX_REG, &common_tramp_size);
1162 acfg->tramp_page_code_offsets [MONO_AOT_TRAMP_STATIC_RGCTX] = common_tramp_size;
1164 arm64_emit_tramp_page_specific_code (acfg, pagesize, common_tramp_size, specific_tramp_size);
1166 /* The gsharedvt arg trampolines */
1167 /* These are the same as the specific trampolines */
1168 sprintf (symbol, "%sgsharedvt_arg_trampolines_page", acfg->user_symbol_prefix);
1169 emit_alignment (acfg, pagesize);
1170 emit_global (acfg, symbol, TRUE);
1171 emit_label (acfg, symbol);
1173 arm64_emit_tramp_page_common_code (acfg, pagesize, ARMREG_IP1, &common_tramp_size);
1174 acfg->tramp_page_code_offsets [MONO_AOT_TRAMP_GSHAREDVT_ARG] = common_tramp_size;
1176 arm64_emit_tramp_page_specific_code (acfg, pagesize, common_tramp_size, specific_tramp_size);
1178 /* The IMT trampolines */
1179 sprintf (symbol, "%simt_trampolines_page", acfg->user_symbol_prefix);
1180 emit_alignment (acfg, pagesize);
1181 emit_global (acfg, symbol, TRUE);
1182 emit_label (acfg, symbol);
1186 /* The trampoline address is in IP0 */
1187 arm_movzx (code, ARMREG_IP1, imm & 0xffff, 0);
1188 arm_movkx (code, ARMREG_IP1, (imm >> 16) & 0xffff, 16);
1189 /* Compute the data slot address */
1190 arm_subx (code, ARMREG_IP0, ARMREG_IP0, ARMREG_IP1);
1191 /* Trampoline argument */
1192 arm_ldrx (code, ARMREG_IP1, ARMREG_IP0, 0);
1194 /* Same as arch_emit_imt_trampoline () */
1196 arm_ldrx (code, ARMREG_IP0, ARMREG_IP1, 0);
1197 arm_cmpx (code, ARMREG_IP0, MONO_ARCH_RGCTX_REG);
1199 arm_bcc (code, ARMCOND_EQ, 0);
1201 /* End-of-loop check */
1203 arm_cbzx (code, ARMREG_IP0, 0);
1206 arm_addx_imm (code, ARMREG_IP1, ARMREG_IP1, 2 * 8);
1207 arm_b (code, labels [0]);
1210 mono_arm_patch (labels [1], code, MONO_R_ARM64_BCC);
1211 /* Load vtable slot addr */
1212 arm_ldrx (code, ARMREG_IP0, ARMREG_IP1, 8);
1213 /* Load vtable slot */
1214 arm_ldrx (code, ARMREG_IP0, ARMREG_IP0, 0);
1215 arm_brx (code, ARMREG_IP0);
1218 mono_arm_patch (labels [2], code, MONO_R_ARM64_CBZ);
1219 /* Load fail addr */
1220 arm_ldrx (code, ARMREG_IP0, ARMREG_IP1, 8);
1221 arm_brx (code, ARMREG_IP0);
1223 emit_code_bytes (acfg, buf, code - buf);
1225 common_tramp_size = code - buf;
1226 acfg->tramp_page_code_offsets [MONO_AOT_TRAMP_IMT] = common_tramp_size;
1228 arm64_emit_tramp_page_specific_code (acfg, pagesize, common_tramp_size, specific_tramp_size);
1232 arm64_emit_specific_trampoline (MonoAotCompile *acfg, int offset, int *tramp_size)
1234 /* Load argument from second GOT slot */
1235 arm64_emit_load_got_slot (acfg, ARMREG_R17, offset + 1);
1236 /* Load generic trampoline address from first GOT slot */
1237 arm64_emit_load_got_slot (acfg, ARMREG_R16, offset);
1238 fprintf (acfg->fp, "br x16\n");
1239 *tramp_size = 7 * 4;
1243 arm64_emit_unbox_trampoline (MonoAotCompile *acfg, MonoCompile *cfg, MonoMethod *method, const char *call_target)
1245 emit_unset_mode (acfg);
1246 fprintf (acfg->fp, "add x0, x0, %d\n", (int)(sizeof (MonoObject)));
1247 fprintf (acfg->fp, "b %s\n", call_target);
1251 arm64_emit_static_rgctx_trampoline (MonoAotCompile *acfg, int offset, int *tramp_size)
1253 /* Similar to the specific trampolines, but use the rgctx reg instead of ip1 */
1255 /* Load argument from first GOT slot */
1256 arm64_emit_load_got_slot (acfg, MONO_ARCH_RGCTX_REG, offset);
1257 /* Load generic trampoline address from second GOT slot */
1258 arm64_emit_load_got_slot (acfg, ARMREG_R16, offset + 1);
1259 fprintf (acfg->fp, "br x16\n");
1260 *tramp_size = 7 * 4;
1264 arm64_emit_imt_trampoline (MonoAotCompile *acfg, int offset, int *tramp_size)
1267 guint8 *code, *labels [16];
1269 /* Load parameter from GOT slot into ip1 */
1270 arm64_emit_load_got_slot (acfg, ARMREG_R17, offset);
1274 arm_ldrx (code, ARMREG_IP0, ARMREG_IP1, 0);
1275 arm_cmpx (code, ARMREG_IP0, MONO_ARCH_RGCTX_REG);
1277 arm_bcc (code, ARMCOND_EQ, 0);
1279 /* End-of-loop check */
1281 arm_cbzx (code, ARMREG_IP0, 0);
1284 arm_addx_imm (code, ARMREG_IP1, ARMREG_IP1, 2 * 8);
1285 arm_b (code, labels [0]);
1288 mono_arm_patch (labels [1], code, MONO_R_ARM64_BCC);
1289 /* Load vtable slot addr */
1290 arm_ldrx (code, ARMREG_IP0, ARMREG_IP1, 8);
1291 /* Load vtable slot */
1292 arm_ldrx (code, ARMREG_IP0, ARMREG_IP0, 0);
1293 arm_brx (code, ARMREG_IP0);
1296 mono_arm_patch (labels [2], code, MONO_R_ARM64_CBZ);
1297 /* Load fail addr */
1298 arm_ldrx (code, ARMREG_IP0, ARMREG_IP1, 8);
1299 arm_brx (code, ARMREG_IP0);
1301 emit_code_bytes (acfg, buf, code - buf);
1303 *tramp_size = code - buf + (3 * 4);
1307 arm64_emit_gsharedvt_arg_trampoline (MonoAotCompile *acfg, int offset, int *tramp_size)
1309 /* Similar to the specific trampolines, but the address is in the second slot */
1310 /* Load argument from first GOT slot */
1311 arm64_emit_load_got_slot (acfg, ARMREG_R17, offset);
1312 /* Load generic trampoline address from second GOT slot */
1313 arm64_emit_load_got_slot (acfg, ARMREG_R16, offset + 1);
1314 fprintf (acfg->fp, "br x16\n");
1315 *tramp_size = 7 * 4;
1321 #ifdef MONO_ARCH_AOT_SUPPORTED
1323 * arch_emit_direct_call:
1325 * Emit a direct call to the symbol TARGET. CALL_SIZE is set to the size of the
1329 arch_emit_direct_call (MonoAotCompile *acfg, const char *target, gboolean external, gboolean thumb, MonoJumpInfo *ji, int *call_size)
1331 #if defined(TARGET_X86) || defined(TARGET_AMD64)
1332 /* Need to make sure this is exactly 5 bytes long */
1333 emit_unset_mode (acfg);
1334 fprintf (acfg->fp, "call %s\n", target);
1336 #elif defined(TARGET_ARM)
1337 emit_unset_mode (acfg);
1339 fprintf (acfg->fp, "blx %s\n", target);
1341 fprintf (acfg->fp, "bl %s\n", target);
1343 #elif defined(TARGET_ARM64)
1344 arm64_emit_direct_call (acfg, target, external, thumb, ji, call_size);
1345 #elif defined(TARGET_POWERPC)
1346 emit_unset_mode (acfg);
1347 fprintf (acfg->fp, "bl %s\n", target);
1350 g_assert_not_reached ();
1357 * - we use an approach similar to the x86 abi: reserve a register (r30) to hold
1359 * - The full-aot trampolines need access to the GOT of mscorlib, so we store
1360 * in in the 2. slot of every GOT, and require every method to place the GOT
1361 * address in r30, even when it doesn't access the GOT otherwise. This way,
1362 * the trampolines can compute the mscorlib GOT address by loading 4(r30).
1367 * PPC64 uses function descriptors which greatly complicate all code, since
1368 * these are used very inconsistently in the runtime. Some functions like
1369 * mono_compile_method () return ftn descriptors, while others like the
1370 * trampoline creation functions do not.
1371 * We assume that all GOT slots contain function descriptors, and create
1372 * descriptors in aot-runtime.c when needed.
1373 * The ppc64 abi uses r2 to hold the address of the TOC/GOT, which is loaded
1374 * from function descriptors, we could do the same, but it would require
1375 * rewriting all the ppc/aot code to handle function descriptors properly.
1376 * So instead, we use the same approach as on PPC32.
1377 * This is a horrible mess, but fixing it would probably lead to an even bigger
1383 * - similar to the PPC32 design, we reserve EBX to hold the GOT pointer.
1386 #ifdef MONO_ARCH_AOT_SUPPORTED
1388 * arch_emit_got_offset:
1390 * The memory pointed to by CODE should hold native code for computing the GOT
1391 * address (OP_LOAD_GOTADDR). Emit this code while patching it with the offset
1392 * between code and the GOT. CODE_SIZE is set to the number of bytes emitted.
1395 arch_emit_got_offset (MonoAotCompile *acfg, guint8 *code, int *code_size)
1397 #if defined(TARGET_POWERPC64)
1398 emit_unset_mode (acfg);
1400 * The ppc32 code doesn't seem to work on ppc64, the assembler complains about
1401 * unsupported relocations. So we store the got address into the .Lgot_addr
1402 * symbol which is in the text segment, compute its address, and load it.
1404 fprintf (acfg->fp, ".L%d:\n", acfg->label_generator);
1405 fprintf (acfg->fp, "lis 0, (.Lgot_addr + 4 - .L%d)@h\n", acfg->label_generator);
1406 fprintf (acfg->fp, "ori 0, 0, (.Lgot_addr + 4 - .L%d)@l\n", acfg->label_generator);
1407 fprintf (acfg->fp, "add 30, 30, 0\n");
1408 fprintf (acfg->fp, "%s 30, 0(30)\n", PPC_LD_OP);
1409 acfg->label_generator ++;
1411 #elif defined(TARGET_POWERPC)
1412 emit_unset_mode (acfg);
1413 fprintf (acfg->fp, ".L%d:\n", acfg->label_generator);
1414 fprintf (acfg->fp, "lis 0, (%s + 4 - .L%d)@h\n", acfg->got_symbol, acfg->label_generator);
1415 fprintf (acfg->fp, "ori 0, 0, (%s + 4 - .L%d)@l\n", acfg->got_symbol, acfg->label_generator);
1416 acfg->label_generator ++;
1419 guint32 offset = mono_arch_get_patch_offset (code);
1420 emit_bytes (acfg, code, offset);
1421 emit_symbol_diff (acfg, acfg->got_symbol, ".", offset);
1423 *code_size = offset + 4;
1428 * arch_emit_got_access:
1430 * The memory pointed to by CODE should hold native code for loading a GOT
1431 * slot (OP_AOTCONST/OP_GOT_ENTRY). Emit this code while patching it so it accesses the
1432 * GOT slot GOT_SLOT. CODE_SIZE is set to the number of bytes emitted.
1435 arch_emit_got_access (MonoAotCompile *acfg, const char *got_symbol, guint8 *code, int got_slot, int *code_size)
1438 /* mov reg, got+offset(%rip) */
1440 /* The GOT symbol is in the LLVM module, the clang assembler has problems emitting symbol diffs for it */
1444 /* Decode reg, see amd64_mov_reg_membase () */
1445 rex_r = code [0] & AMD64_REX_R;
1446 g_assert (code [0] == 0x49 + rex_r);
1447 g_assert (code [1] == 0x8b);
1448 dreg = ((code [2] >> 3) & 0x7) + (rex_r ? 8 : 0);
1450 emit_unset_mode (acfg);
1451 fprintf (acfg->fp, "mov %s+%d(%%rip), %s\n", got_symbol, (unsigned int) ((got_slot * sizeof (gpointer))), mono_arch_regname (dreg));
1454 emit_bytes (acfg, code, mono_arch_get_patch_offset (code));
1455 emit_symbol_diff (acfg, got_symbol, ".", (unsigned int) ((got_slot * sizeof (gpointer)) - 4));
1456 *code_size = mono_arch_get_patch_offset (code) + 4;
1458 #elif defined(TARGET_X86)
1459 emit_bytes (acfg, code, mono_arch_get_patch_offset (code));
1460 emit_int32 (acfg, (unsigned int) ((got_slot * sizeof (gpointer))));
1461 *code_size = mono_arch_get_patch_offset (code) + 4;
1462 #elif defined(TARGET_ARM)
1463 emit_bytes (acfg, code, mono_arch_get_patch_offset (code));
1464 emit_symbol_diff (acfg, got_symbol, ".", (unsigned int) ((got_slot * sizeof (gpointer))) - 12);
1465 *code_size = mono_arch_get_patch_offset (code) + 4;
1466 #elif defined(TARGET_ARM64)
1467 emit_bytes (acfg, code, mono_arch_get_patch_offset (code));
1468 arm64_emit_got_access (acfg, code, got_slot, code_size);
1469 #elif defined(TARGET_POWERPC)
1473 emit_bytes (acfg, code, mono_arch_get_patch_offset (code));
1475 ppc_load32 (code, ppc_r0, got_slot * sizeof (gpointer));
1476 g_assert (code - buf == 8);
1477 emit_bytes (acfg, buf, code - buf);
1478 *code_size = code - buf;
1481 g_assert_not_reached ();
1487 #ifdef MONO_ARCH_AOT_SUPPORTED
1489 * arch_emit_objc_selector_ref:
1491 * Emit the implementation of OP_OBJC_GET_SELECTOR, which itself implements @selector(foo:) in objective-c.
1494 arch_emit_objc_selector_ref (MonoAotCompile *acfg, guint8 *code, int index, int *code_size)
1496 #if defined(TARGET_ARM)
1497 char symbol1 [MAX_SYMBOL_SIZE];
1498 char symbol2 [MAX_SYMBOL_SIZE];
1499 int lindex = acfg->objc_selector_index_2 ++;
1501 /* Emit ldr.imm/b */
1502 emit_bytes (acfg, code, 8);
1504 sprintf (symbol1, "L_OBJC_SELECTOR_%d", lindex);
1505 sprintf (symbol2, "L_OBJC_SELECTOR_REFERENCES_%d", index);
1507 emit_label (acfg, symbol1);
1508 mono_img_writer_emit_unset_mode (acfg->w);
1509 fprintf (acfg->fp, ".long %s-(%s+12)", symbol2, symbol1);
1512 #elif defined(TARGET_ARM64)
1513 arm64_emit_objc_selector_ref (acfg, code, index, code_size);
1515 g_assert_not_reached ();
1521 * arch_emit_plt_entry:
1523 * Emit code for the PLT entry.
1524 * The plt entry should look like this:
1525 * <indirect jump to GOT_SYMBOL + OFFSET>
1526 * <INFO_OFFSET embedded into the instruction stream>
1529 arch_emit_plt_entry (MonoAotCompile *acfg, const char *got_symbol, int offset, int info_offset)
1531 #if defined(TARGET_X86)
1532 /* jmp *<offset>(%ebx) */
1533 emit_byte (acfg, 0xff);
1534 emit_byte (acfg, 0xa3);
1535 emit_int32 (acfg, offset);
1536 /* Used by mono_aot_get_plt_info_offset */
1537 emit_int32 (acfg, info_offset);
1538 #elif defined(TARGET_AMD64)
1539 emit_unset_mode (acfg);
1540 fprintf (acfg->fp, "jmp *%s+%d(%%rip)\n", got_symbol, offset);
1541 /* Used by mono_aot_get_plt_info_offset */
1542 emit_int32 (acfg, info_offset);
1543 acfg->stats.plt_size += 10;
1544 #elif defined(TARGET_ARM)
1549 ARM_LDR_IMM (code, ARMREG_IP, ARMREG_PC, 0);
1550 ARM_LDR_REG_REG (code, ARMREG_PC, ARMREG_PC, ARMREG_IP);
1551 emit_bytes (acfg, buf, code - buf);
1552 emit_symbol_diff (acfg, got_symbol, ".", offset - 4);
1553 /* Used by mono_aot_get_plt_info_offset */
1554 emit_int32 (acfg, info_offset);
1555 #elif defined(TARGET_ARM64)
1556 arm64_emit_plt_entry (acfg, got_symbol, offset, info_offset);
1557 #elif defined(TARGET_POWERPC)
1558 /* The GOT address is guaranteed to be in r30 by OP_LOAD_GOTADDR */
1559 emit_unset_mode (acfg);
1560 fprintf (acfg->fp, "lis 11, %d@h\n", offset);
1561 fprintf (acfg->fp, "ori 11, 11, %d@l\n", offset);
1562 fprintf (acfg->fp, "add 11, 11, 30\n");
1563 fprintf (acfg->fp, "%s 11, 0(11)\n", PPC_LD_OP);
1564 #ifdef PPC_USES_FUNCTION_DESCRIPTOR
1565 fprintf (acfg->fp, "%s 2, %d(11)\n", PPC_LD_OP, (int)sizeof (gpointer));
1566 fprintf (acfg->fp, "%s 11, 0(11)\n", PPC_LD_OP);
1568 fprintf (acfg->fp, "mtctr 11\n");
1569 fprintf (acfg->fp, "bctr\n");
1570 emit_int32 (acfg, info_offset);
1572 g_assert_not_reached ();
1577 * arch_emit_llvm_plt_entry:
1579 * Same as arch_emit_plt_entry, but handles calls from LLVM generated code.
1580 * This is only needed on arm to handle thumb interop.
1583 arch_emit_llvm_plt_entry (MonoAotCompile *acfg, const char *got_symbol, int offset, int info_offset)
1585 #if defined(TARGET_ARM)
1586 /* LLVM calls the PLT entries using bl, so these have to be thumb2 */
1587 /* The caller already transitioned to thumb */
1588 /* The code below should be 12 bytes long */
1589 /* clang has trouble encoding these instructions, so emit the binary */
1591 fprintf (acfg->fp, "ldr ip, [pc, #8]\n");
1592 /* thumb can't encode ld pc, [pc, ip] */
1593 fprintf (acfg->fp, "add ip, pc, ip\n");
1594 fprintf (acfg->fp, "ldr ip, [ip, #0]\n");
1595 fprintf (acfg->fp, "bx ip\n");
1597 emit_set_thumb_mode (acfg);
1598 fprintf (acfg->fp, ".4byte 0xc008f8df\n");
1599 fprintf (acfg->fp, ".2byte 0x44fc\n");
1600 fprintf (acfg->fp, ".4byte 0xc000f8dc\n");
1601 fprintf (acfg->fp, ".2byte 0x4760\n");
1602 emit_symbol_diff (acfg, got_symbol, ".", offset + 4);
1603 emit_int32 (acfg, info_offset);
1604 emit_unset_mode (acfg);
1605 emit_set_arm_mode (acfg);
1607 g_assert_not_reached ();
1611 /* Save unwind_info in the module and emit the offset to the information at symbol */
1612 static void save_unwind_info (MonoAotCompile *acfg, char *symbol, GSList *unwind_ops)
1614 guint32 uw_offset, encoded_len;
1617 emit_section_change (acfg, RODATA_SECT, 0);
1618 emit_global (acfg, symbol, FALSE);
1619 emit_label (acfg, symbol);
1621 encoded = mono_unwind_ops_encode (unwind_ops, &encoded_len);
1622 uw_offset = get_unwind_info_offset (acfg, encoded, encoded_len);
1624 emit_int32 (acfg, uw_offset);
1628 * arch_emit_specific_trampoline_pages:
1630 * Emits a page full of trampolines: each trampoline uses its own address to
1631 * lookup both the generic trampoline code and the data argument.
1632 * This page can be remapped in process multiple times so we can get an
1633 * unlimited number of trampolines.
1634 * Specifically this implementation uses the following trick: two memory pages
1635 * are allocated, with the first containing the data and the second containing the trampolines.
1636 * To reduce trampoline size, each trampoline jumps at the start of the page where a common
1637 * implementation does all the lifting.
1638 * Note that the ARM single trampoline size is 8 bytes, exactly like the data that needs to be stored
1639 * on the arm 32 bit system.
1642 arch_emit_specific_trampoline_pages (MonoAotCompile *acfg)
1644 #if defined(TARGET_ARM)
1647 guint8 *loop_start, *loop_branch_back, *loop_end_check, *imt_found_check;
1649 int pagesize = MONO_AOT_TRAMP_PAGE_SIZE;
1650 GSList *unwind_ops = NULL;
1651 #define COMMON_TRAMP_SIZE 16
1652 int count = (pagesize - COMMON_TRAMP_SIZE) / 8;
1653 int imm8, rot_amount;
1656 if (!acfg->aot_opts.use_trampolines_page)
1659 acfg->tramp_page_size = pagesize;
1661 sprintf (symbol, "%sspecific_trampolines_page", acfg->user_symbol_prefix);
1662 emit_alignment (acfg, pagesize);
1663 emit_global (acfg, symbol, TRUE);
1664 emit_label (acfg, symbol);
1666 /* emit the generic code first, the trampoline address + 8 is in the lr register */
1668 imm8 = mono_arm_is_rotated_imm8 (pagesize, &rot_amount);
1669 ARM_SUB_REG_IMM (code, ARMREG_LR, ARMREG_LR, imm8, rot_amount);
1670 ARM_LDR_IMM (code, ARMREG_R1, ARMREG_LR, -8);
1671 ARM_LDR_IMM (code, ARMREG_PC, ARMREG_LR, -4);
1673 g_assert (code - buf == COMMON_TRAMP_SIZE);
1676 emit_bytes (acfg, buf, code - buf);
1678 for (i = 0; i < count; ++i) {
1680 ARM_PUSH (code, 0x5fff);
1682 arm_patch (code - 4, code - COMMON_TRAMP_SIZE - 8 * (i + 1));
1683 g_assert (code - buf == 8);
1684 emit_bytes (acfg, buf, code - buf);
1687 /* now the rgctx trampolines: each specific trampolines puts in the ip register
1688 * the instruction pointer address, so the generic trampoline at the start of the page
1689 * subtracts 4096 to get to the data page and loads the values
1690 * We again fit the generic trampiline in 16 bytes.
1692 sprintf (symbol, "%srgctx_trampolines_page", acfg->user_symbol_prefix);
1693 emit_global (acfg, symbol, TRUE);
1694 emit_label (acfg, symbol);
1696 imm8 = mono_arm_is_rotated_imm8 (pagesize, &rot_amount);
1697 ARM_SUB_REG_IMM (code, ARMREG_IP, ARMREG_IP, imm8, rot_amount);
1698 ARM_LDR_IMM (code, MONO_ARCH_RGCTX_REG, ARMREG_IP, -8);
1699 ARM_LDR_IMM (code, ARMREG_PC, ARMREG_IP, -4);
1701 g_assert (code - buf == COMMON_TRAMP_SIZE);
1704 emit_bytes (acfg, buf, code - buf);
1706 for (i = 0; i < count; ++i) {
1708 ARM_MOV_REG_REG (code, ARMREG_IP, ARMREG_PC);
1710 arm_patch (code - 4, code - COMMON_TRAMP_SIZE - 8 * (i + 1));
1711 g_assert (code - buf == 8);
1712 emit_bytes (acfg, buf, code - buf);
1716 * gsharedvt arg trampolines: see arch_emit_gsharedvt_arg_trampoline ()
1718 sprintf (symbol, "%sgsharedvt_arg_trampolines_page", acfg->user_symbol_prefix);
1719 emit_global (acfg, symbol, TRUE);
1720 emit_label (acfg, symbol);
1722 ARM_PUSH (code, (1 << ARMREG_R0) | (1 << ARMREG_R1) | (1 << ARMREG_R2) | (1 << ARMREG_R3));
1723 imm8 = mono_arm_is_rotated_imm8 (pagesize, &rot_amount);
1724 ARM_SUB_REG_IMM (code, ARMREG_IP, ARMREG_IP, imm8, rot_amount);
1725 ARM_LDR_IMM (code, ARMREG_R0, ARMREG_IP, -8);
1726 ARM_LDR_IMM (code, ARMREG_PC, ARMREG_IP, -4);
1727 g_assert (code - buf == COMMON_TRAMP_SIZE);
1729 emit_bytes (acfg, buf, code - buf);
1731 for (i = 0; i < count; ++i) {
1733 ARM_MOV_REG_REG (code, ARMREG_IP, ARMREG_PC);
1735 arm_patch (code - 4, code - COMMON_TRAMP_SIZE - 8 * (i + 1));
1736 g_assert (code - buf == 8);
1737 emit_bytes (acfg, buf, code - buf);
1740 /* now the imt trampolines: each specific trampolines puts in the ip register
1741 * the instruction pointer address, so the generic trampoline at the start of the page
1742 * subtracts 4096 to get to the data page and loads the values
1744 #define IMT_TRAMP_SIZE 72
1745 sprintf (symbol, "%simt_trampolines_page", acfg->user_symbol_prefix);
1746 emit_global (acfg, symbol, TRUE);
1747 emit_label (acfg, symbol);
1749 /* Need at least two free registers, plus a slot for storing the pc */
1750 ARM_PUSH (code, (1 << ARMREG_R0)|(1 << ARMREG_R1)|(1 << ARMREG_R2));
1752 imm8 = mono_arm_is_rotated_imm8 (pagesize, &rot_amount);
1753 ARM_SUB_REG_IMM (code, ARMREG_IP, ARMREG_IP, imm8, rot_amount);
1754 ARM_LDR_IMM (code, ARMREG_R0, ARMREG_IP, -8);
1756 /* The IMT method is in v5, r0 has the imt array address */
1759 ARM_LDR_IMM (code, ARMREG_R1, ARMREG_R0, 0);
1760 ARM_CMP_REG_REG (code, ARMREG_R1, ARMREG_V5);
1761 imt_found_check = code;
1762 ARM_B_COND (code, ARMCOND_EQ, 0);
1764 /* End-of-loop check */
1765 ARM_CMP_REG_IMM (code, ARMREG_R1, 0, 0);
1766 loop_end_check = code;
1767 ARM_B_COND (code, ARMCOND_EQ, 0);
1770 ARM_ADD_REG_IMM8 (code, ARMREG_R0, ARMREG_R0, sizeof (gpointer) * 2);
1771 loop_branch_back = code;
1773 arm_patch (loop_branch_back, loop_start);
1776 arm_patch (imt_found_check, code);
1777 ARM_LDR_IMM (code, ARMREG_R0, ARMREG_R0, 4);
1778 ARM_LDR_IMM (code, ARMREG_R0, ARMREG_R0, 0);
1779 /* Save it to the third stack slot */
1780 ARM_STR_IMM (code, ARMREG_R0, ARMREG_SP, 8);
1781 /* Restore the registers and branch */
1782 ARM_POP (code, (1 << ARMREG_R0)|(1 << ARMREG_R1)|(1 << ARMREG_PC));
1785 arm_patch (loop_end_check, code);
1786 ARM_LDR_IMM (code, ARMREG_R0, ARMREG_R0, 4);
1787 ARM_STR_IMM (code, ARMREG_R0, ARMREG_SP, 8);
1788 ARM_POP (code, (1 << ARMREG_R0)|(1 << ARMREG_R1)|(1 << ARMREG_PC));
1792 g_assert (code - buf == IMT_TRAMP_SIZE);
1793 emit_bytes (acfg, buf, code - buf);
1795 for (i = 0; i < count; ++i) {
1797 ARM_MOV_REG_REG (code, ARMREG_IP, ARMREG_PC);
1799 arm_patch (code - 4, code - IMT_TRAMP_SIZE - 8 * (i + 1));
1800 g_assert (code - buf == 8);
1801 emit_bytes (acfg, buf, code - buf);
1804 acfg->tramp_page_code_offsets [MONO_AOT_TRAMP_SPECIFIC] = 16;
1805 acfg->tramp_page_code_offsets [MONO_AOT_TRAMP_STATIC_RGCTX] = 16;
1806 acfg->tramp_page_code_offsets [MONO_AOT_TRAMP_IMT] = 72;
1807 acfg->tramp_page_code_offsets [MONO_AOT_TRAMP_GSHAREDVT_ARG] = 16;
1809 /* Unwind info for specifc trampolines */
1810 sprintf (symbol, "%sspecific_trampolines_page_gen_p", acfg->user_symbol_prefix);
1811 /* We unwind to the original caller, from the stack, since lr is clobbered */
1812 mono_add_unwind_op_def_cfa (unwind_ops, 0, 0, ARMREG_SP, 14 * sizeof (mgreg_t));
1813 mono_add_unwind_op_offset (unwind_ops, 0, 0, ARMREG_LR, -4);
1814 save_unwind_info (acfg, symbol, unwind_ops);
1815 mono_free_unwind_info (unwind_ops);
1817 sprintf (symbol, "%sspecific_trampolines_page_sp_p", acfg->user_symbol_prefix);
1818 mono_add_unwind_op_def_cfa (unwind_ops, 0, 0, ARMREG_SP, 0);
1819 mono_add_unwind_op_def_cfa_offset (unwind_ops, 4, 0, 14 * sizeof (mgreg_t));
1820 save_unwind_info (acfg, symbol, unwind_ops);
1821 mono_free_unwind_info (unwind_ops);
1823 /* Unwind info for rgctx trampolines */
1824 sprintf (symbol, "%srgctx_trampolines_page_gen_p", acfg->user_symbol_prefix);
1825 mono_add_unwind_op_def_cfa (unwind_ops, 0, 0, ARMREG_SP, 0);
1826 save_unwind_info (acfg, symbol, unwind_ops);
1828 sprintf (symbol, "%srgctx_trampolines_page_sp_p", acfg->user_symbol_prefix);
1829 save_unwind_info (acfg, symbol, unwind_ops);
1830 mono_free_unwind_info (unwind_ops);
1832 /* Unwind info for gsharedvt trampolines */
1833 sprintf (symbol, "%sgsharedvt_trampolines_page_gen_p", acfg->user_symbol_prefix);
1834 mono_add_unwind_op_def_cfa (unwind_ops, 0, 0, ARMREG_SP, 0);
1835 mono_add_unwind_op_def_cfa_offset (unwind_ops, 4, 0, 4 * sizeof (mgreg_t));
1836 save_unwind_info (acfg, symbol, unwind_ops);
1837 mono_free_unwind_info (unwind_ops);
1839 sprintf (symbol, "%sgsharedvt_trampolines_page_sp_p", acfg->user_symbol_prefix);
1840 mono_add_unwind_op_def_cfa (unwind_ops, 0, 0, ARMREG_SP, 0);
1841 save_unwind_info (acfg, symbol, unwind_ops);
1842 mono_free_unwind_info (unwind_ops);
1844 /* Unwind info for imt trampolines */
1845 sprintf (symbol, "%simt_trampolines_page_gen_p", acfg->user_symbol_prefix);
1846 mono_add_unwind_op_def_cfa (unwind_ops, 0, 0, ARMREG_SP, 0);
1847 mono_add_unwind_op_def_cfa_offset (unwind_ops, 4, 0, 3 * sizeof (mgreg_t));
1848 save_unwind_info (acfg, symbol, unwind_ops);
1849 mono_free_unwind_info (unwind_ops);
1851 sprintf (symbol, "%simt_trampolines_page_sp_p", acfg->user_symbol_prefix);
1852 mono_add_unwind_op_def_cfa (unwind_ops, 0, 0, ARMREG_SP, 0);
1853 save_unwind_info (acfg, symbol, unwind_ops);
1854 mono_free_unwind_info (unwind_ops);
1855 #elif defined(TARGET_ARM64)
1856 arm64_emit_specific_trampoline_pages (acfg);
1861 * arch_emit_specific_trampoline:
1863 * Emit code for a specific trampoline. OFFSET is the offset of the first of
1864 * two GOT slots which contain the generic trampoline address and the trampoline
1865 * argument. TRAMP_SIZE is set to the size of the emitted trampoline.
1868 arch_emit_specific_trampoline (MonoAotCompile *acfg, int offset, int *tramp_size)
1871 * The trampolines created here are variations of the specific
1872 * trampolines created in mono_arch_create_specific_trampoline (). The
1874 * - the generic trampoline address is taken from a got slot.
1875 * - the offset of the got slot where the trampoline argument is stored
1876 * is embedded in the instruction stream, and the generic trampoline
1877 * can load the argument by loading the offset, adding it to the
1878 * address of the trampoline to get the address of the got slot, and
1879 * loading the argument from there.
1880 * - all the trampolines should be of the same length.
1882 #if defined(TARGET_AMD64)
1883 /* This should be exactly 8 bytes long */
1885 /* call *<offset>(%rip) */
1887 emit_unset_mode (acfg);
1888 fprintf (acfg->fp, "call *%s+%d(%%rip)\n", acfg->got_symbol, (int)(offset * sizeof (gpointer)));
1889 emit_zero_bytes (acfg, 2);
1891 emit_byte (acfg, '\x41');
1892 emit_byte (acfg, '\xff');
1893 emit_byte (acfg, '\x15');
1894 emit_symbol_diff (acfg, acfg->got_symbol, ".", (offset * sizeof (gpointer)) - 4);
1895 emit_zero_bytes (acfg, 1);
1897 #elif defined(TARGET_ARM)
1901 /* This should be exactly 20 bytes long */
1904 ARM_PUSH (code, 0x5fff);
1905 ARM_LDR_IMM (code, ARMREG_R1, ARMREG_PC, 4);
1906 /* Load the value from the GOT */
1907 ARM_LDR_REG_REG (code, ARMREG_R1, ARMREG_PC, ARMREG_R1);
1909 ARM_BLX_REG (code, ARMREG_R1);
1911 g_assert (code - buf == 16);
1914 emit_bytes (acfg, buf, code - buf);
1916 * Only one offset is needed, since the second one would be equal to the
1919 emit_symbol_diff (acfg, acfg->got_symbol, ".", (offset * sizeof (gpointer)) - 4 + 4);
1920 //emit_symbol_diff (acfg, acfg->got_symbol, ".", ((offset + 1) * sizeof (gpointer)) - 4 + 8);
1921 #elif defined(TARGET_ARM64)
1922 arm64_emit_specific_trampoline (acfg, offset, tramp_size);
1923 #elif defined(TARGET_POWERPC)
1931 * PPC has no ip relative addressing, so we need to compute the address
1932 * of the mscorlib got. That is slow and complex, so instead, we store it
1933 * in the second got slot of every aot image. The caller already computed
1934 * the address of its got and placed it into r30.
1936 emit_unset_mode (acfg);
1937 /* Load mscorlib got address */
1938 fprintf (acfg->fp, "%s 0, %d(30)\n", PPC_LD_OP, (int)sizeof (gpointer));
1939 /* Load generic trampoline address */
1940 fprintf (acfg->fp, "lis 11, %d@h\n", (int)(offset * sizeof (gpointer)));
1941 fprintf (acfg->fp, "ori 11, 11, %d@l\n", (int)(offset * sizeof (gpointer)));
1942 fprintf (acfg->fp, "%s 11, 11, 0\n", PPC_LDX_OP);
1943 #ifdef PPC_USES_FUNCTION_DESCRIPTOR
1944 fprintf (acfg->fp, "%s 11, 0(11)\n", PPC_LD_OP);
1946 fprintf (acfg->fp, "mtctr 11\n");
1947 /* Load trampoline argument */
1948 /* On ppc, we pass it normally to the generic trampoline */
1949 fprintf (acfg->fp, "lis 11, %d@h\n", (int)((offset + 1) * sizeof (gpointer)));
1950 fprintf (acfg->fp, "ori 11, 11, %d@l\n", (int)((offset + 1) * sizeof (gpointer)));
1951 fprintf (acfg->fp, "%s 0, 11, 0\n", PPC_LDX_OP);
1952 /* Branch to generic trampoline */
1953 fprintf (acfg->fp, "bctr\n");
1955 #ifdef PPC_USES_FUNCTION_DESCRIPTOR
1956 *tramp_size = 10 * 4;
1958 *tramp_size = 9 * 4;
1960 #elif defined(TARGET_X86)
1964 /* Similar to the PPC code above */
1966 /* FIXME: Could this clobber the register needed by get_vcall_slot () ? */
1969 /* Load mscorlib got address */
1970 x86_mov_reg_membase (code, X86_ECX, MONO_ARCH_GOT_REG, sizeof (gpointer), 4);
1971 /* Push trampoline argument */
1972 x86_push_membase (code, X86_ECX, (offset + 1) * sizeof (gpointer));
1973 /* Load generic trampoline address */
1974 x86_mov_reg_membase (code, X86_ECX, X86_ECX, offset * sizeof (gpointer), 4);
1975 /* Branch to generic trampoline */
1976 x86_jump_reg (code, X86_ECX);
1978 emit_bytes (acfg, buf, code - buf);
1981 g_assert (code - buf == *tramp_size);
1983 g_assert_not_reached ();
1988 * arch_emit_unbox_trampoline:
1990 * Emit code for the unbox trampoline for METHOD used in the full-aot case.
1991 * CALL_TARGET is the symbol pointing to the native code of METHOD.
1994 arch_emit_unbox_trampoline (MonoAotCompile *acfg, MonoCompile *cfg, MonoMethod *method, const char *call_target)
1996 #if defined(TARGET_AMD64)
2001 this_reg = mono_arch_get_this_arg_reg (NULL);
2003 amd64_alu_reg_imm (code, X86_ADD, this_reg, sizeof (MonoObject));
2005 emit_bytes (acfg, buf, code - buf);
2008 emit_unset_mode (acfg);
2009 fprintf (acfg->fp, "jmp %s\n", call_target);
2011 emit_byte (acfg, '\xe9');
2012 emit_symbol_diff (acfg, call_target, ".", -4);
2014 #elif defined(TARGET_X86)
2021 x86_alu_membase_imm (code, X86_ADD, X86_ESP, this_pos, sizeof (MonoObject));
2023 emit_bytes (acfg, buf, code - buf);
2026 emit_byte (acfg, '\xe9');
2027 emit_symbol_diff (acfg, call_target, ".", -4);
2028 #elif defined(TARGET_ARM)
2032 if (acfg->thumb_mixed && cfg->compile_llvm) {
2033 fprintf (acfg->fp, "add r0, r0, #%d\n", (int)sizeof (MonoObject));
2034 fprintf (acfg->fp, "b %s\n", call_target);
2035 fprintf (acfg->fp, ".arm\n");
2036 fprintf (acfg->fp, ".align 2\n");
2042 ARM_ADD_REG_IMM8 (code, ARMREG_R0, ARMREG_R0, sizeof (MonoObject));
2044 emit_bytes (acfg, buf, code - buf);
2045 /* jump to method */
2046 if (acfg->thumb_mixed && cfg->compile_llvm)
2047 fprintf (acfg->fp, "\n\tbx %s\n", call_target);
2049 fprintf (acfg->fp, "\n\tb %s\n", call_target);
2050 #elif defined(TARGET_ARM64)
2051 arm64_emit_unbox_trampoline (acfg, cfg, method, call_target);
2052 #elif defined(TARGET_POWERPC)
2055 fprintf (acfg->fp, "\n\taddi %d, %d, %d\n", this_pos, this_pos, (int)sizeof (MonoObject));
2056 fprintf (acfg->fp, "\n\tb %s\n", call_target);
2058 g_assert_not_reached ();
2063 * arch_emit_static_rgctx_trampoline:
2065 * Emit code for a static rgctx trampoline. OFFSET is the offset of the first of
2066 * two GOT slots which contain the rgctx argument, and the method to jump to.
2067 * TRAMP_SIZE is set to the size of the emitted trampoline.
2068 * These kinds of trampolines cannot be enumerated statically, since there could
2069 * be one trampoline per method instantiation, so we emit the same code for all
2070 * trampolines, and parameterize them using two GOT slots.
2073 arch_emit_static_rgctx_trampoline (MonoAotCompile *acfg, int offset, int *tramp_size)
2075 #if defined(TARGET_AMD64)
2076 /* This should be exactly 13 bytes long */
2080 emit_unset_mode (acfg);
2081 fprintf (acfg->fp, "mov %s+%d(%%rip), %%r10\n", acfg->got_symbol, (int)(offset * sizeof (gpointer)));
2082 fprintf (acfg->fp, "jmp *%s+%d(%%rip)\n", acfg->got_symbol, (int)((offset + 1) * sizeof (gpointer)));
2084 /* mov <OFFSET>(%rip), %r10 */
2085 emit_byte (acfg, '\x4d');
2086 emit_byte (acfg, '\x8b');
2087 emit_byte (acfg, '\x15');
2088 emit_symbol_diff (acfg, acfg->got_symbol, ".", (offset * sizeof (gpointer)) - 4);
2090 /* jmp *<offset>(%rip) */
2091 emit_byte (acfg, '\xff');
2092 emit_byte (acfg, '\x25');
2093 emit_symbol_diff (acfg, acfg->got_symbol, ".", ((offset + 1) * sizeof (gpointer)) - 4);
2095 #elif defined(TARGET_ARM)
2099 /* This should be exactly 24 bytes long */
2102 /* Load rgctx value */
2103 ARM_LDR_IMM (code, ARMREG_IP, ARMREG_PC, 8);
2104 ARM_LDR_REG_REG (code, MONO_ARCH_RGCTX_REG, ARMREG_PC, ARMREG_IP);
2105 /* Load branch addr + branch */
2106 ARM_LDR_IMM (code, ARMREG_IP, ARMREG_PC, 4);
2107 ARM_LDR_REG_REG (code, ARMREG_PC, ARMREG_PC, ARMREG_IP);
2109 g_assert (code - buf == 16);
2112 emit_bytes (acfg, buf, code - buf);
2113 emit_symbol_diff (acfg, acfg->got_symbol, ".", (offset * sizeof (gpointer)) - 4 + 8);
2114 emit_symbol_diff (acfg, acfg->got_symbol, ".", ((offset + 1) * sizeof (gpointer)) - 4 + 4);
2115 #elif defined(TARGET_ARM64)
2116 arm64_emit_static_rgctx_trampoline (acfg, offset, tramp_size);
2117 #elif defined(TARGET_POWERPC)
2125 * PPC has no ip relative addressing, so we need to compute the address
2126 * of the mscorlib got. That is slow and complex, so instead, we store it
2127 * in the second got slot of every aot image. The caller already computed
2128 * the address of its got and placed it into r30.
2130 emit_unset_mode (acfg);
2131 /* Load mscorlib got address */
2132 fprintf (acfg->fp, "%s 0, %d(30)\n", PPC_LD_OP, (int)sizeof (gpointer));
2134 fprintf (acfg->fp, "lis 11, %d@h\n", (int)(offset * sizeof (gpointer)));
2135 fprintf (acfg->fp, "ori 11, 11, %d@l\n", (int)(offset * sizeof (gpointer)));
2136 fprintf (acfg->fp, "%s %d, 11, 0\n", PPC_LDX_OP, MONO_ARCH_RGCTX_REG);
2137 /* Load target address */
2138 fprintf (acfg->fp, "lis 11, %d@h\n", (int)((offset + 1) * sizeof (gpointer)));
2139 fprintf (acfg->fp, "ori 11, 11, %d@l\n", (int)((offset + 1) * sizeof (gpointer)));
2140 fprintf (acfg->fp, "%s 11, 11, 0\n", PPC_LDX_OP);
2141 #ifdef PPC_USES_FUNCTION_DESCRIPTOR
2142 fprintf (acfg->fp, "%s 2, %d(11)\n", PPC_LD_OP, (int)sizeof (gpointer));
2143 fprintf (acfg->fp, "%s 11, 0(11)\n", PPC_LD_OP);
2145 fprintf (acfg->fp, "mtctr 11\n");
2146 /* Branch to the target address */
2147 fprintf (acfg->fp, "bctr\n");
2149 #ifdef PPC_USES_FUNCTION_DESCRIPTOR
2150 *tramp_size = 11 * 4;
2152 *tramp_size = 9 * 4;
2155 #elif defined(TARGET_X86)
2159 /* Similar to the PPC code above */
2161 g_assert (MONO_ARCH_RGCTX_REG != X86_ECX);
2164 /* Load mscorlib got address */
2165 x86_mov_reg_membase (code, X86_ECX, MONO_ARCH_GOT_REG, sizeof (gpointer), 4);
2167 x86_mov_reg_membase (code, MONO_ARCH_RGCTX_REG, X86_ECX, offset * sizeof (gpointer), 4);
2168 /* Branch to the target address */
2169 x86_jump_membase (code, X86_ECX, (offset + 1) * sizeof (gpointer));
2171 emit_bytes (acfg, buf, code - buf);
2174 g_assert (code - buf == *tramp_size);
2176 g_assert_not_reached ();
2181 * arch_emit_imt_trampoline:
2183 * Emit an IMT trampoline usable in full-aot mode. The trampoline uses 1 got slot which
2184 * points to an array of pointer pairs. The pairs of the form [key, ptr], where
2185 * key is the IMT key, and ptr holds the address of a memory location holding
2186 * the address to branch to if the IMT arg matches the key. The array is
2187 * terminated by a pair whose key is NULL, and whose ptr is the address of the
2189 * TRAMP_SIZE is set to the size of the emitted trampoline.
2192 arch_emit_imt_trampoline (MonoAotCompile *acfg, int offset, int *tramp_size)
2194 #if defined(TARGET_AMD64)
2196 guint8 *labels [16];
2198 guint8 *mov_buf_ptr = mov_buf;
2200 const int kSizeOfMove = 7;
2202 code = buf = (guint8 *)g_malloc (256);
2204 /* FIXME: Optimize this, i.e. use binary search etc. */
2205 /* Maybe move the body into a separate function (slower, but much smaller) */
2207 /* MONO_ARCH_IMT_SCRATCH_REG is a free register */
2210 emit_unset_mode (acfg);
2211 fprintf (acfg->fp, "mov %s+%d(%%rip), %s\n", acfg->got_symbol, (int)(offset * sizeof (gpointer)), mono_arch_regname (MONO_ARCH_IMT_SCRATCH_REG));
2215 amd64_alu_membase_imm (code, X86_CMP, MONO_ARCH_IMT_SCRATCH_REG, 0, 0);
2217 amd64_branch8 (code, X86_CC_Z, 0, FALSE);
2220 amd64_alu_membase_reg_size (code, X86_CMP, MONO_ARCH_IMT_SCRATCH_REG, 0, MONO_ARCH_IMT_REG, sizeof (gpointer));
2222 amd64_branch8 (code, X86_CC_Z, 0, FALSE);
2225 amd64_alu_reg_imm (code, X86_ADD, MONO_ARCH_IMT_SCRATCH_REG, 2 * sizeof (gpointer));
2226 amd64_jump_code (code, labels [0]);
2229 mono_amd64_patch (labels [2], code);
2230 amd64_mov_reg_membase (code, MONO_ARCH_IMT_SCRATCH_REG, MONO_ARCH_IMT_SCRATCH_REG, sizeof (gpointer), sizeof (gpointer));
2231 amd64_jump_membase (code, MONO_ARCH_IMT_SCRATCH_REG, 0);
2234 mono_amd64_patch (labels [1], code);
2235 /* Load fail tramp */
2236 amd64_alu_reg_imm (code, X86_ADD, MONO_ARCH_IMT_SCRATCH_REG, sizeof (gpointer));
2237 /* Check if there is a fail tramp */
2238 amd64_alu_membase_imm (code, X86_CMP, MONO_ARCH_IMT_SCRATCH_REG, 0, 0);
2240 amd64_branch8 (code, X86_CC_Z, 0, FALSE);
2241 /* Jump to fail tramp */
2242 amd64_jump_membase (code, MONO_ARCH_IMT_SCRATCH_REG, 0);
2245 mono_amd64_patch (labels [3], code);
2246 x86_breakpoint (code);
2249 /* mov <OFFSET>(%rip), MONO_ARCH_IMT_SCRATCH_REG */
2250 amd64_emit_rex (mov_buf_ptr, sizeof(gpointer), MONO_ARCH_IMT_SCRATCH_REG, 0, AMD64_RIP);
2251 *(mov_buf_ptr)++ = (unsigned char)0x8b; /* mov opcode */
2252 x86_address_byte (mov_buf_ptr, 0, MONO_ARCH_IMT_SCRATCH_REG & 0x7, 5);
2253 emit_bytes (acfg, mov_buf, mov_buf_ptr - mov_buf);
2254 emit_symbol_diff (acfg, acfg->got_symbol, ".", (offset * sizeof (gpointer)) - 4);
2256 emit_bytes (acfg, buf, code - buf);
2258 *tramp_size = code - buf + kSizeOfMove;
2262 #elif defined(TARGET_X86)
2264 guint8 *labels [16];
2266 code = buf = g_malloc (256);
2268 /* Allocate a temporary stack slot */
2269 x86_push_reg (code, X86_EAX);
2271 x86_push_reg (code, X86_EAX);
2273 /* Load mscorlib got address */
2274 x86_mov_reg_membase (code, X86_EAX, MONO_ARCH_GOT_REG, sizeof (gpointer), 4);
2276 x86_mov_reg_membase (code, X86_EAX, X86_EAX, offset * sizeof (gpointer), 4);
2279 x86_alu_membase_imm (code, X86_CMP, X86_EAX, 0, 0);
2281 x86_branch8 (code, X86_CC_Z, FALSE, 0);
2284 x86_alu_membase_reg (code, X86_CMP, X86_EAX, 0, MONO_ARCH_IMT_REG);
2286 x86_branch8 (code, X86_CC_Z, FALSE, 0);
2289 x86_alu_reg_imm (code, X86_ADD, X86_EAX, 2 * sizeof (gpointer));
2290 x86_jump_code (code, labels [0]);
2293 mono_x86_patch (labels [2], code);
2294 x86_mov_reg_membase (code, X86_EAX, X86_EAX, sizeof (gpointer), 4);
2295 x86_mov_reg_membase (code, X86_EAX, X86_EAX, 0, 4);
2296 /* Save the target address to the temporary stack location */
2297 x86_mov_membase_reg (code, X86_ESP, 4, X86_EAX, 4);
2299 x86_pop_reg (code, X86_EAX);
2300 /* Jump to the target address */
2304 mono_x86_patch (labels [1], code);
2305 /* Load fail tramp */
2306 x86_mov_reg_membase (code, X86_EAX, X86_EAX, sizeof (gpointer), 4);
2307 x86_alu_membase_imm (code, X86_CMP, X86_EAX, 0, 0);
2309 x86_branch8 (code, X86_CC_Z, FALSE, 0);
2310 /* Jump to fail tramp */
2311 x86_mov_membase_reg (code, X86_ESP, 4, X86_EAX, 4);
2312 x86_pop_reg (code, X86_EAX);
2316 mono_x86_patch (labels [3], code);
2317 x86_breakpoint (code);
2319 emit_bytes (acfg, buf, code - buf);
2321 *tramp_size = code - buf;
2325 #elif defined(TARGET_ARM)
2327 guint8 *code, *code2, *labels [16];
2331 /* The IMT method is in v5 */
2333 /* Need at least two free registers, plus a slot for storing the pc */
2334 ARM_PUSH (code, (1 << ARMREG_R0)|(1 << ARMREG_R1)|(1 << ARMREG_R2));
2336 /* Load the parameter from the GOT */
2337 ARM_LDR_IMM (code, ARMREG_R0, ARMREG_PC, 0);
2338 ARM_LDR_REG_REG (code, ARMREG_R0, ARMREG_PC, ARMREG_R0);
2341 ARM_LDR_IMM (code, ARMREG_R1, ARMREG_R0, 0);
2342 ARM_CMP_REG_REG (code, ARMREG_R1, ARMREG_V5);
2344 ARM_B_COND (code, ARMCOND_EQ, 0);
2346 /* End-of-loop check */
2347 ARM_CMP_REG_IMM (code, ARMREG_R1, 0, 0);
2349 ARM_B_COND (code, ARMCOND_EQ, 0);
2352 ARM_ADD_REG_IMM8 (code, ARMREG_R0, ARMREG_R0, sizeof (gpointer) * 2);
2355 arm_patch (labels [4], labels [1]);
2358 arm_patch (labels [2], code);
2359 ARM_LDR_IMM (code, ARMREG_R0, ARMREG_R0, 4);
2360 ARM_LDR_IMM (code, ARMREG_R0, ARMREG_R0, 0);
2361 /* Save it to the third stack slot */
2362 ARM_STR_IMM (code, ARMREG_R0, ARMREG_SP, 8);
2363 /* Restore the registers and branch */
2364 ARM_POP (code, (1 << ARMREG_R0)|(1 << ARMREG_R1)|(1 << ARMREG_PC));
2367 arm_patch (labels [3], code);
2368 ARM_LDR_IMM (code, ARMREG_R0, ARMREG_R0, 4);
2369 ARM_STR_IMM (code, ARMREG_R0, ARMREG_SP, 8);
2370 ARM_POP (code, (1 << ARMREG_R0)|(1 << ARMREG_R1)|(1 << ARMREG_PC));
2374 ARM_LDR_IMM (code2, ARMREG_R0, ARMREG_PC, (code - (labels [0] + 8)));
2376 emit_bytes (acfg, buf, code - buf);
2377 emit_symbol_diff (acfg, acfg->got_symbol, ".", (offset * sizeof (gpointer)) + (code - (labels [0] + 8)) - 4);
2379 *tramp_size = code - buf + 4;
2380 #elif defined(TARGET_ARM64)
2381 arm64_emit_imt_trampoline (acfg, offset, tramp_size);
2382 #elif defined(TARGET_POWERPC)
2384 guint8 *code, *labels [16];
2388 /* Load the mscorlib got address */
2389 ppc_ldptr (code, ppc_r12, sizeof (gpointer), ppc_r30);
2390 /* Load the parameter from the GOT */
2391 ppc_load (code, ppc_r0, offset * sizeof (gpointer));
2392 ppc_ldptr_indexed (code, ppc_r12, ppc_r12, ppc_r0);
2394 /* Load and check key */
2396 ppc_ldptr (code, ppc_r0, 0, ppc_r12);
2397 ppc_cmp (code, 0, sizeof (gpointer) == 8 ? 1 : 0, ppc_r0, MONO_ARCH_IMT_REG);
2399 ppc_bc (code, PPC_BR_TRUE, PPC_BR_EQ, 0);
2401 /* End-of-loop check */
2402 ppc_cmpi (code, 0, sizeof (gpointer) == 8 ? 1 : 0, ppc_r0, 0);
2404 ppc_bc (code, PPC_BR_TRUE, PPC_BR_EQ, 0);
2407 ppc_addi (code, ppc_r12, ppc_r12, 2 * sizeof (gpointer));
2410 mono_ppc_patch (labels [4], labels [1]);
2413 mono_ppc_patch (labels [2], code);
2414 ppc_ldptr (code, ppc_r12, sizeof (gpointer), ppc_r12);
2415 /* r12 now contains the value of the vtable slot */
2416 /* this is not a function descriptor on ppc64 */
2417 ppc_ldptr (code, ppc_r12, 0, ppc_r12);
2418 ppc_mtctr (code, ppc_r12);
2419 ppc_bcctr (code, PPC_BR_ALWAYS, 0);
2422 mono_ppc_patch (labels [3], code);
2426 *tramp_size = code - buf;
2428 emit_bytes (acfg, buf, code - buf);
2430 g_assert_not_reached ();
2435 #if defined (TARGET_AMD64)
2438 amd64_emit_load_got_slot (MonoAotCompile *acfg, int dreg, int got_slot)
2441 g_assert (acfg->fp);
2442 emit_unset_mode (acfg);
2444 fprintf (acfg->fp, "mov %s+%d(%%rip), %s\n", acfg->got_symbol, (unsigned int) ((got_slot * sizeof (gpointer))), mono_arch_regname (dreg));
2451 * arch_emit_gsharedvt_arg_trampoline:
2453 * Emit code for a gsharedvt arg trampoline. OFFSET is the offset of the first of
2454 * two GOT slots which contain the argument, and the code to jump to.
2455 * TRAMP_SIZE is set to the size of the emitted trampoline.
2456 * These kinds of trampolines cannot be enumerated statically, since there could
2457 * be one trampoline per method instantiation, so we emit the same code for all
2458 * trampolines, and parameterize them using two GOT slots.
2461 arch_emit_gsharedvt_arg_trampoline (MonoAotCompile *acfg, int offset, int *tramp_size)
2463 #if defined(TARGET_X86)
2467 /* Similar to the PPC code above */
2469 g_assert (MONO_ARCH_RGCTX_REG != X86_ECX);
2472 /* Load mscorlib got address */
2473 x86_mov_reg_membase (code, X86_ECX, MONO_ARCH_GOT_REG, sizeof (gpointer), 4);
2475 x86_mov_reg_membase (code, X86_EAX, X86_ECX, offset * sizeof (gpointer), 4);
2476 /* Branch to the target address */
2477 x86_jump_membase (code, X86_ECX, (offset + 1) * sizeof (gpointer));
2479 emit_bytes (acfg, buf, code - buf);
2482 g_assert (code - buf == *tramp_size);
2483 #elif defined(TARGET_ARM)
2487 /* The same as mono_arch_get_gsharedvt_arg_trampoline (), but for AOT */
2488 /* Similar to arch_emit_specific_trampoline () */
2491 ARM_PUSH (code, (1 << ARMREG_R0) | (1 << ARMREG_R1) | (1 << ARMREG_R2) | (1 << ARMREG_R3));
2492 ARM_LDR_IMM (code, ARMREG_R1, ARMREG_PC, 8);
2493 /* Load the arg value from the GOT */
2494 ARM_LDR_REG_REG (code, ARMREG_R0, ARMREG_PC, ARMREG_R1);
2495 /* Load the addr from the GOT */
2496 ARM_LDR_REG_REG (code, ARMREG_R1, ARMREG_PC, ARMREG_R1);
2498 ARM_BX (code, ARMREG_R1);
2500 g_assert (code - buf == 20);
2503 emit_bytes (acfg, buf, code - buf);
2504 emit_symbol_diff (acfg, acfg->got_symbol, ".", (offset * sizeof (gpointer)) + 4);
2505 #elif defined(TARGET_ARM64)
2506 arm64_emit_gsharedvt_arg_trampoline (acfg, offset, tramp_size);
2507 #elif defined (TARGET_AMD64)
2509 amd64_emit_load_got_slot (acfg, AMD64_RAX, offset);
2510 amd64_emit_load_got_slot (acfg, MONO_ARCH_IMT_SCRATCH_REG, offset + 1);
2511 g_assert (AMD64_R11 == MONO_ARCH_IMT_SCRATCH_REG);
2512 fprintf (acfg->fp, "jmp *%%r11\n");
2516 g_assert_not_reached ();
2520 /* END OF ARCH SPECIFIC CODE */
2523 mono_get_field_token (MonoClassField *field)
2525 MonoClass *klass = field->parent;
2528 int fcount = mono_class_get_field_count (klass);
2529 for (i = 0; i < fcount; ++i) {
2530 if (field == &klass->fields [i])
2531 return MONO_TOKEN_FIELD_DEF | (mono_class_get_first_field_idx (klass) + 1 + i);
2534 g_assert_not_reached ();
2539 encode_value (gint32 value, guint8 *buf, guint8 **endbuf)
2543 //printf ("ENCODE: %d 0x%x.\n", value, value);
2546 * Same encoding as the one used in the metadata, extended to handle values
2547 * greater than 0x1fffffff.
2549 if ((value >= 0) && (value <= 127))
2551 else if ((value >= 0) && (value <= 16383)) {
2552 p [0] = 0x80 | (value >> 8);
2553 p [1] = value & 0xff;
2555 } else if ((value >= 0) && (value <= 0x1fffffff)) {
2556 p [0] = (value >> 24) | 0xc0;
2557 p [1] = (value >> 16) & 0xff;
2558 p [2] = (value >> 8) & 0xff;
2559 p [3] = value & 0xff;
2564 p [1] = (value >> 24) & 0xff;
2565 p [2] = (value >> 16) & 0xff;
2566 p [3] = (value >> 8) & 0xff;
2567 p [4] = value & 0xff;
2575 stream_init (MonoDynamicStream *sh)
2578 sh->alloc_size = 4096;
2579 sh->data = (char *)g_malloc (4096);
2581 /* So offsets are > 0 */
2587 make_room_in_stream (MonoDynamicStream *stream, int size)
2589 if (size <= stream->alloc_size)
2592 while (stream->alloc_size <= size) {
2593 if (stream->alloc_size < 4096)
2594 stream->alloc_size = 4096;
2596 stream->alloc_size *= 2;
2599 stream->data = (char *)g_realloc (stream->data, stream->alloc_size);
2603 add_stream_data (MonoDynamicStream *stream, const char *data, guint32 len)
2607 make_room_in_stream (stream, stream->index + len);
2608 memcpy (stream->data + stream->index, data, len);
2609 idx = stream->index;
2610 stream->index += len;
2617 * Add data to the binary blob inside the aot image. Returns the offset inside the
2618 * blob where the data was stored.
2621 add_to_blob (MonoAotCompile *acfg, const guint8 *data, guint32 data_len)
2623 g_assert (!acfg->blob_closed);
2625 if (acfg->blob.alloc_size == 0)
2626 stream_init (&acfg->blob);
2628 return add_stream_data (&acfg->blob, (char*)data, data_len);
2632 add_to_blob_aligned (MonoAotCompile *acfg, const guint8 *data, guint32 data_len, guint32 align)
2637 if (acfg->blob.alloc_size == 0)
2638 stream_init (&acfg->blob);
2640 count = acfg->blob.index % align;
2642 /* we assume the stream data will be aligned */
2644 add_stream_data (&acfg->blob, buf, 4 - count);
2646 return add_stream_data (&acfg->blob, (char*)data, data_len);
2649 /* Emit a table of data into the aot image */
2651 emit_aot_data (MonoAotCompile *acfg, MonoAotFileTable table, const char *symbol, guint8 *data, int size)
2653 if (acfg->data_outfile) {
2654 acfg->table_offsets [(int)table] = acfg->datafile_offset;
2655 fwrite (data,1, size, acfg->data_outfile);
2656 acfg->datafile_offset += size;
2657 // align the data to 8 bytes. Put zeros in the file (so that every build results in consistent output).
2658 int align = 8 - size % 8;
2659 acfg->datafile_offset += align;
2660 guint8 align_buf [16];
2661 memset (&align_buf, 0, sizeof (align_buf));
2662 fwrite (align_buf, align, 1, acfg->data_outfile);
2663 } else if (acfg->llvm) {
2664 mono_llvm_emit_aot_data (symbol, data, size);
2666 emit_section_change (acfg, RODATA_SECT, 0);
2667 emit_alignment (acfg, 8);
2668 emit_label (acfg, symbol);
2669 emit_bytes (acfg, data, size);
2674 * emit_offset_table:
2676 * Emit a table of increasing offsets in a compact form using differential encoding.
2677 * There is an index entry for each GROUP_SIZE number of entries. The greater the
2678 * group size, the more compact the table becomes, but the slower it becomes to compute
2679 * a given entry. Returns the size of the table.
2682 emit_offset_table (MonoAotCompile *acfg, const char *symbol, MonoAotFileTable table, int noffsets, int group_size, gint32 *offsets)
2684 gint32 current_offset;
2685 int i, buf_size, ngroups, index_entry_size;
2687 guint8 *data_p, *data_buf;
2688 guint32 *index_offsets;
2690 ngroups = (noffsets + (group_size - 1)) / group_size;
2692 index_offsets = g_new0 (guint32, ngroups);
2694 buf_size = noffsets * 4;
2695 p = buf = (guint8 *)g_malloc0 (buf_size);
2698 for (i = 0; i < noffsets; ++i) {
2699 //printf ("D: %d -> %d\n", i, offsets [i]);
2700 if ((i % group_size) == 0) {
2701 index_offsets [i / group_size] = p - buf;
2702 /* Emit the full value for these entries */
2703 encode_value (offsets [i], p, &p);
2705 /* The offsets are allowed to be non-increasing */
2706 //g_assert (offsets [i] >= current_offset);
2707 encode_value (offsets [i] - current_offset, p, &p);
2709 current_offset = offsets [i];
2714 if (ngroups && index_offsets [ngroups - 1] < 65000)
2715 index_entry_size = 2;
2717 index_entry_size = 4;
2719 buf_size = (data_p - data_buf) + (ngroups * 4) + 16;
2720 p = buf = (guint8 *)g_malloc0 (buf_size);
2722 /* Emit the header */
2723 encode_int (noffsets, p, &p);
2724 encode_int (group_size, p, &p);
2725 encode_int (ngroups, p, &p);
2726 encode_int (index_entry_size, p, &p);
2728 /* Emit the index */
2729 for (i = 0; i < ngroups; ++i) {
2730 if (index_entry_size == 2)
2731 encode_int16 (index_offsets [i], p, &p);
2733 encode_int (index_offsets [i], p, &p);
2736 memcpy (p, data_buf, data_p - data_buf);
2737 p += data_p - data_buf;
2739 g_assert (p - buf <= buf_size);
2741 emit_aot_data (acfg, table, symbol, buf, p - buf);
2746 return (int)(p - buf);
2750 get_image_index (MonoAotCompile *cfg, MonoImage *image)
2754 index = GPOINTER_TO_UINT (g_hash_table_lookup (cfg->image_hash, image));
2758 index = g_hash_table_size (cfg->image_hash);
2759 g_hash_table_insert (cfg->image_hash, image, GUINT_TO_POINTER (index + 1));
2760 g_ptr_array_add (cfg->image_table, image);
2766 find_typespec_for_class (MonoAotCompile *acfg, MonoClass *klass)
2769 int len = acfg->image->tables [MONO_TABLE_TYPESPEC].rows;
2771 /* FIXME: Search referenced images as well */
2772 if (!acfg->typespec_classes) {
2773 acfg->typespec_classes = g_hash_table_new (NULL, NULL);
2774 for (i = 0; i < len; i++) {
2776 int typespec = MONO_TOKEN_TYPE_SPEC | (i + 1);
2777 MonoClass *klass_key = mono_class_get_and_inflate_typespec_checked (acfg->image, typespec, NULL, &error);
2778 if (!is_ok (&error)) {
2779 mono_error_cleanup (&error);
2782 g_hash_table_insert (acfg->typespec_classes, klass_key, GINT_TO_POINTER (typespec));
2785 return GPOINTER_TO_INT (g_hash_table_lookup (acfg->typespec_classes, klass));
2789 encode_method_ref (MonoAotCompile *acfg, MonoMethod *method, guint8 *buf, guint8 **endbuf);
2792 encode_klass_ref (MonoAotCompile *acfg, MonoClass *klass, guint8 *buf, guint8 **endbuf);
2795 encode_ginst (MonoAotCompile *acfg, MonoGenericInst *inst, guint8 *buf, guint8 **endbuf);
2798 encode_type (MonoAotCompile *acfg, MonoType *t, guint8 *buf, guint8 **endbuf);
2801 encode_klass_ref_inner (MonoAotCompile *acfg, MonoClass *klass, guint8 *buf, guint8 **endbuf)
2806 * The encoding begins with one of the MONO_AOT_TYPEREF values, followed by additional
2810 if (mono_class_is_ginst (klass)) {
2812 g_assert (klass->type_token);
2814 /* Find a typespec for a class if possible */
2815 token = find_typespec_for_class (acfg, klass);
2817 encode_value (MONO_AOT_TYPEREF_TYPESPEC_TOKEN, p, &p);
2818 encode_value (token, p, &p);
2820 MonoClass *gclass = mono_class_get_generic_class (klass)->container_class;
2821 MonoGenericInst *inst = mono_class_get_generic_class (klass)->context.class_inst;
2822 static int count = 0;
2825 encode_value (MONO_AOT_TYPEREF_GINST, p, &p);
2826 encode_klass_ref (acfg, gclass, p, &p);
2827 encode_ginst (acfg, inst, p, &p);
2831 } else if (klass->type_token) {
2832 int iindex = get_image_index (acfg, klass->image);
2834 g_assert (mono_metadata_token_code (klass->type_token) == MONO_TOKEN_TYPE_DEF);
2836 encode_value (MONO_AOT_TYPEREF_TYPEDEF_INDEX, p, &p);
2837 encode_value (klass->type_token - MONO_TOKEN_TYPE_DEF, p, &p);
2839 encode_value (MONO_AOT_TYPEREF_TYPEDEF_INDEX_IMAGE, p, &p);
2840 encode_value (klass->type_token - MONO_TOKEN_TYPE_DEF, p, &p);
2841 encode_value (get_image_index (acfg, klass->image), p, &p);
2843 } else if ((klass->byval_arg.type == MONO_TYPE_VAR) || (klass->byval_arg.type == MONO_TYPE_MVAR)) {
2844 MonoGenericContainer *container = mono_type_get_generic_param_owner (&klass->byval_arg);
2845 MonoGenericParam *par = klass->byval_arg.data.generic_param;
2847 encode_value (MONO_AOT_TYPEREF_VAR, p, &p);
2849 encode_value (par->gshared_constraint ? 1 : 0, p, &p);
2850 if (par->gshared_constraint) {
2851 MonoGSharedGenericParam *gpar = (MonoGSharedGenericParam*)par;
2852 encode_type (acfg, par->gshared_constraint, p, &p);
2853 encode_klass_ref (acfg, mono_class_from_generic_parameter (gpar->parent, NULL, klass->byval_arg.type == MONO_TYPE_MVAR), p, &p);
2855 encode_value (klass->byval_arg.type, p, &p);
2856 encode_value (mono_type_get_generic_param_num (&klass->byval_arg), p, &p);
2858 encode_value (container->is_anonymous ? 0 : 1, p, &p);
2860 if (!container->is_anonymous) {
2861 encode_value (container->is_method, p, &p);
2862 if (container->is_method)
2863 encode_method_ref (acfg, container->owner.method, p, &p);
2865 encode_klass_ref (acfg, container->owner.klass, p, &p);
2868 } else if (klass->byval_arg.type == MONO_TYPE_PTR) {
2869 encode_value (MONO_AOT_TYPEREF_PTR, p, &p);
2870 encode_type (acfg, &klass->byval_arg, p, &p);
2873 g_assert (klass->rank > 0);
2874 encode_value (MONO_AOT_TYPEREF_ARRAY, p, &p);
2875 encode_value (klass->rank, p, &p);
2876 encode_klass_ref (acfg, klass->element_class, p, &p);
2884 * Encode a reference to KLASS. We use our home-grown encoding instead of the
2885 * standard metadata encoding.
2888 encode_klass_ref (MonoAotCompile *acfg, MonoClass *klass, guint8 *buf, guint8 **endbuf)
2890 gboolean shared = FALSE;
2893 * The encoding of generic instances is large so emit them only once.
2895 if (mono_class_is_ginst (klass)) {
2897 g_assert (klass->type_token);
2899 /* Find a typespec for a class if possible */
2900 token = find_typespec_for_class (acfg, klass);
2903 } else if ((klass->byval_arg.type == MONO_TYPE_VAR) || (klass->byval_arg.type == MONO_TYPE_MVAR)) {
2908 guint offset = GPOINTER_TO_UINT (g_hash_table_lookup (acfg->klass_blob_hash, klass));
2912 buf2 = (guint8 *)g_malloc (1024);
2915 encode_klass_ref_inner (acfg, klass, p, &p);
2916 g_assert (p - buf2 < 1024);
2918 offset = add_to_blob (acfg, buf2, p - buf2);
2921 g_hash_table_insert (acfg->klass_blob_hash, klass, GUINT_TO_POINTER (offset + 1));
2927 encode_value (MONO_AOT_TYPEREF_BLOB_INDEX, p, &p);
2928 encode_value (offset, p, &p);
2933 encode_klass_ref_inner (acfg, klass, buf, endbuf);
2937 encode_field_info (MonoAotCompile *cfg, MonoClassField *field, guint8 *buf, guint8 **endbuf)
2939 guint32 token = mono_get_field_token (field);
2942 encode_klass_ref (cfg, field->parent, p, &p);
2943 g_assert (mono_metadata_token_code (token) == MONO_TOKEN_FIELD_DEF);
2944 encode_value (token - MONO_TOKEN_FIELD_DEF, p, &p);
2949 encode_ginst (MonoAotCompile *acfg, MonoGenericInst *inst, guint8 *buf, guint8 **endbuf)
2954 encode_value (inst->type_argc, p, &p);
2955 for (i = 0; i < inst->type_argc; ++i)
2956 encode_klass_ref (acfg, mono_class_from_mono_type (inst->type_argv [i]), p, &p);
2961 encode_generic_context (MonoAotCompile *acfg, MonoGenericContext *context, guint8 *buf, guint8 **endbuf)
2964 MonoGenericInst *inst;
2966 inst = context->class_inst;
2968 g_assert (inst->type_argc);
2969 encode_ginst (acfg, inst, p, &p);
2971 encode_value (0, p, &p);
2973 inst = context->method_inst;
2975 g_assert (inst->type_argc);
2976 encode_ginst (acfg, inst, p, &p);
2978 encode_value (0, p, &p);
2984 encode_type (MonoAotCompile *acfg, MonoType *t, guint8 *buf, guint8 **endbuf)
2988 g_assert (t->num_mods == 0);
2989 /* t->attrs can be ignored */
2990 //g_assert (t->attrs == 0);
2993 *p = MONO_TYPE_PINNED;
2997 *p = MONO_TYPE_BYREF;
3005 case MONO_TYPE_VOID:
3006 case MONO_TYPE_BOOLEAN:
3007 case MONO_TYPE_CHAR:
3020 case MONO_TYPE_STRING:
3021 case MONO_TYPE_OBJECT:
3022 case MONO_TYPE_TYPEDBYREF:
3024 case MONO_TYPE_VALUETYPE:
3025 case MONO_TYPE_CLASS:
3026 encode_klass_ref (acfg, mono_class_from_mono_type (t), p, &p);
3028 case MONO_TYPE_SZARRAY:
3029 encode_klass_ref (acfg, t->data.klass, p, &p);
3032 encode_type (acfg, t->data.type, p, &p);
3034 case MONO_TYPE_GENERICINST: {
3035 MonoClass *gclass = t->data.generic_class->container_class;
3036 MonoGenericInst *inst = t->data.generic_class->context.class_inst;
3038 encode_klass_ref (acfg, gclass, p, &p);
3039 encode_ginst (acfg, inst, p, &p);
3042 case MONO_TYPE_ARRAY: {
3043 MonoArrayType *array = t->data.array;
3046 encode_klass_ref (acfg, array->eklass, p, &p);
3047 encode_value (array->rank, p, &p);
3048 encode_value (array->numsizes, p, &p);
3049 for (i = 0; i < array->numsizes; ++i)
3050 encode_value (array->sizes [i], p, &p);
3051 encode_value (array->numlobounds, p, &p);
3052 for (i = 0; i < array->numlobounds; ++i)
3053 encode_value (array->lobounds [i], p, &p);
3057 case MONO_TYPE_MVAR:
3058 encode_klass_ref (acfg, mono_class_from_mono_type (t), p, &p);
3061 g_assert_not_reached ();
3068 encode_signature (MonoAotCompile *acfg, MonoMethodSignature *sig, guint8 *buf, guint8 **endbuf)
3074 /* Similar to the metadata encoding */
3075 if (sig->generic_param_count)
3079 if (sig->explicit_this)
3081 flags |= (sig->call_convention & 0x0F);
3085 if (sig->generic_param_count)
3086 encode_value (sig->generic_param_count, p, &p);
3087 encode_value (sig->param_count, p, &p);
3089 encode_type (acfg, sig->ret, p, &p);
3090 for (i = 0; i < sig->param_count; ++i) {
3091 if (sig->sentinelpos == i) {
3092 *p = MONO_TYPE_SENTINEL;
3095 encode_type (acfg, sig->params [i], p, &p);
3101 #define MAX_IMAGE_INDEX 250
3104 encode_method_ref (MonoAotCompile *acfg, MonoMethod *method, guint8 *buf, guint8 **endbuf)
3106 guint32 image_index = get_image_index (acfg, method->klass->image);
3107 guint32 token = method->token;
3108 MonoJumpInfoToken *ji;
3112 * The encoding for most methods is as follows:
3113 * - image index encoded as a leb128
3114 * - token index encoded as a leb128
3115 * Values of image index >= MONO_AOT_METHODREF_MIN are used to mark additional
3116 * types of method encodings.
3119 /* Mark methods which can't use aot trampolines because they need the further
3120 * processing in mono_magic_trampoline () which requires a MonoMethod*.
3122 if ((method->is_generic && (method->flags & METHOD_ATTRIBUTE_VIRTUAL)) ||
3123 (method->iflags & METHOD_IMPL_ATTRIBUTE_SYNCHRONIZED))
3124 encode_value ((MONO_AOT_METHODREF_NO_AOT_TRAMPOLINE << 24), p, &p);
3126 if (method->wrapper_type) {
3127 WrapperInfo *info = mono_marshal_get_wrapper_info (method);
3129 encode_value ((MONO_AOT_METHODREF_WRAPPER << 24), p, &p);
3131 encode_value (method->wrapper_type, p, &p);
3133 switch (method->wrapper_type) {
3134 case MONO_WRAPPER_REMOTING_INVOKE:
3135 case MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK:
3136 case MONO_WRAPPER_XDOMAIN_INVOKE: {
3139 m = mono_marshal_method_from_wrapper (method);
3141 encode_method_ref (acfg, m, p, &p);
3144 case MONO_WRAPPER_PROXY_ISINST:
3145 case MONO_WRAPPER_LDFLD:
3146 case MONO_WRAPPER_LDFLDA:
3147 case MONO_WRAPPER_STFLD: {
3149 encode_klass_ref (acfg, info->d.proxy.klass, p, &p);
3152 case MONO_WRAPPER_ALLOC: {
3153 /* The GC name is saved once in MonoAotFileInfo */
3154 g_assert (info->d.alloc.alloc_type != -1);
3155 encode_value (info->d.alloc.alloc_type, p, &p);
3158 case MONO_WRAPPER_WRITE_BARRIER: {
3162 case MONO_WRAPPER_STELEMREF: {
3164 encode_value (info->subtype, p, &p);
3165 if (info->subtype == WRAPPER_SUBTYPE_VIRTUAL_STELEMREF)
3166 encode_value (info->d.virtual_stelemref.kind, p, &p);
3169 case MONO_WRAPPER_UNKNOWN: {
3171 encode_value (info->subtype, p, &p);
3172 if (info->subtype == WRAPPER_SUBTYPE_PTR_TO_STRUCTURE ||
3173 info->subtype == WRAPPER_SUBTYPE_STRUCTURE_TO_PTR)
3174 encode_klass_ref (acfg, method->klass, p, &p);
3175 else if (info->subtype == WRAPPER_SUBTYPE_SYNCHRONIZED_INNER)
3176 encode_method_ref (acfg, info->d.synchronized_inner.method, p, &p);
3177 else if (info->subtype == WRAPPER_SUBTYPE_ARRAY_ACCESSOR)
3178 encode_method_ref (acfg, info->d.array_accessor.method, p, &p);
3179 else if (info->subtype == WRAPPER_SUBTYPE_GSHAREDVT_IN_SIG)
3180 encode_signature (acfg, info->d.gsharedvt.sig, p, &p);
3181 else if (info->subtype == WRAPPER_SUBTYPE_GSHAREDVT_OUT_SIG)
3182 encode_signature (acfg, info->d.gsharedvt.sig, p, &p);
3185 case MONO_WRAPPER_MANAGED_TO_NATIVE: {
3187 encode_value (info->subtype, p, &p);
3188 if (info->subtype == WRAPPER_SUBTYPE_ICALL_WRAPPER) {
3189 strcpy ((char*)p, method->name);
3190 p += strlen (method->name) + 1;
3191 } else if (info->subtype == WRAPPER_SUBTYPE_NATIVE_FUNC_AOT) {
3192 encode_method_ref (acfg, info->d.managed_to_native.method, p, &p);
3194 g_assert (info->subtype == WRAPPER_SUBTYPE_NONE || info->subtype == WRAPPER_SUBTYPE_PINVOKE);
3195 encode_method_ref (acfg, info->d.managed_to_native.method, p, &p);
3199 case MONO_WRAPPER_SYNCHRONIZED: {
3202 m = mono_marshal_method_from_wrapper (method);
3204 g_assert (m != method);
3205 encode_method_ref (acfg, m, p, &p);
3208 case MONO_WRAPPER_MANAGED_TO_MANAGED: {
3210 encode_value (info->subtype, p, &p);
3212 if (info->subtype == WRAPPER_SUBTYPE_ELEMENT_ADDR) {
3213 encode_value (info->d.element_addr.rank, p, &p);
3214 encode_value (info->d.element_addr.elem_size, p, &p);
3215 } else if (info->subtype == WRAPPER_SUBTYPE_STRING_CTOR) {
3216 encode_method_ref (acfg, info->d.string_ctor.method, p, &p);
3218 g_assert_not_reached ();
3222 case MONO_WRAPPER_CASTCLASS: {
3224 encode_value (info->subtype, p, &p);
3227 case MONO_WRAPPER_RUNTIME_INVOKE: {
3229 encode_value (info->subtype, p, &p);
3230 if (info->subtype == WRAPPER_SUBTYPE_RUNTIME_INVOKE_DIRECT || info->subtype == WRAPPER_SUBTYPE_RUNTIME_INVOKE_VIRTUAL)
3231 encode_method_ref (acfg, info->d.runtime_invoke.method, p, &p);
3232 else if (info->subtype == WRAPPER_SUBTYPE_RUNTIME_INVOKE_NORMAL)
3233 encode_signature (acfg, info->d.runtime_invoke.sig, p, &p);
3236 case MONO_WRAPPER_DELEGATE_INVOKE:
3237 case MONO_WRAPPER_DELEGATE_BEGIN_INVOKE:
3238 case MONO_WRAPPER_DELEGATE_END_INVOKE: {
3239 if (method->is_inflated) {
3240 /* These wrappers are identified by their class */
3241 encode_value (1, p, &p);
3242 encode_klass_ref (acfg, method->klass, p, &p);
3244 MonoMethodSignature *sig = mono_method_signature (method);
3245 WrapperInfo *info = mono_marshal_get_wrapper_info (method);
3247 encode_value (0, p, &p);
3248 if (method->wrapper_type == MONO_WRAPPER_DELEGATE_INVOKE)
3249 encode_value (info ? info->subtype : 0, p, &p);
3250 encode_signature (acfg, sig, p, &p);
3254 case MONO_WRAPPER_NATIVE_TO_MANAGED: {
3256 encode_method_ref (acfg, info->d.native_to_managed.method, p, &p);
3257 encode_klass_ref (acfg, info->d.native_to_managed.klass, p, &p);
3261 g_assert_not_reached ();
3263 } else if (mono_method_signature (method)->is_inflated) {
3265 * This is a generic method, find the original token which referenced it and
3267 * Obtain the token from information recorded by the JIT.
3269 ji = (MonoJumpInfoToken *)g_hash_table_lookup (acfg->token_info_hash, method);
3271 image_index = get_image_index (acfg, ji->image);
3272 g_assert (image_index < MAX_IMAGE_INDEX);
3275 encode_value ((MONO_AOT_METHODREF_METHODSPEC << 24), p, &p);
3276 encode_value (image_index, p, &p);
3277 encode_value (token, p, &p);
3279 MonoMethod *declaring;
3280 MonoGenericContext *context = mono_method_get_context (method);
3282 g_assert (method->is_inflated);
3283 declaring = ((MonoMethodInflated*)method)->declaring;
3286 * This might be a non-generic method of a generic instance, which
3287 * doesn't have a token since the reference is generated by the JIT
3288 * like Nullable:Box/Unbox, or by generic sharing.
3290 encode_value ((MONO_AOT_METHODREF_GINST << 24), p, &p);
3291 /* Encode the klass */
3292 encode_klass_ref (acfg, method->klass, p, &p);
3293 /* Encode the method */
3294 image_index = get_image_index (acfg, method->klass->image);
3295 g_assert (image_index < MAX_IMAGE_INDEX);
3296 g_assert (declaring->token);
3297 token = declaring->token;
3298 g_assert (mono_metadata_token_table (token) == MONO_TABLE_METHOD);
3299 encode_value (image_index, p, &p);
3300 encode_value (token, p, &p);
3301 encode_generic_context (acfg, context, p, &p);
3303 } else if (token == 0) {
3304 /* This might be a method of a constructed type like int[,].Set */
3305 /* Obtain the token from information recorded by the JIT */
3306 ji = (MonoJumpInfoToken *)g_hash_table_lookup (acfg->token_info_hash, method);
3308 image_index = get_image_index (acfg, ji->image);
3309 g_assert (image_index < MAX_IMAGE_INDEX);
3312 encode_value ((MONO_AOT_METHODREF_METHODSPEC << 24), p, &p);
3313 encode_value (image_index, p, &p);
3314 encode_value (token, p, &p);
3317 g_assert (method->klass->rank);
3319 /* Encode directly */
3320 encode_value ((MONO_AOT_METHODREF_ARRAY << 24), p, &p);
3321 encode_klass_ref (acfg, method->klass, p, &p);
3322 if (!strcmp (method->name, ".ctor") && mono_method_signature (method)->param_count == method->klass->rank)
3323 encode_value (0, p, &p);
3324 else if (!strcmp (method->name, ".ctor") && mono_method_signature (method)->param_count == method->klass->rank * 2)
3325 encode_value (1, p, &p);
3326 else if (!strcmp (method->name, "Get"))
3327 encode_value (2, p, &p);
3328 else if (!strcmp (method->name, "Address"))
3329 encode_value (3, p, &p);
3330 else if (!strcmp (method->name, "Set"))
3331 encode_value (4, p, &p);
3333 g_assert_not_reached ();
3336 g_assert (mono_metadata_token_table (token) == MONO_TABLE_METHOD);
3338 if (image_index >= MONO_AOT_METHODREF_MIN) {
3339 encode_value ((MONO_AOT_METHODREF_LARGE_IMAGE_INDEX << 24), p, &p);
3340 encode_value (image_index, p, &p);
3341 encode_value (mono_metadata_token_index (token), p, &p);
3343 encode_value ((image_index << 24) | mono_metadata_token_index (token), p, &p);
3350 compare_patches (gconstpointer a, gconstpointer b)
3354 i = (*(MonoJumpInfo**)a)->ip.i;
3355 j = (*(MonoJumpInfo**)b)->ip.i;
3366 static G_GNUC_UNUSED char*
3367 patch_to_string (MonoJumpInfo *patch_info)
3371 str = g_string_new ("");
3373 g_string_append_printf (str, "%s(", get_patch_name (patch_info->type));
3375 switch (patch_info->type) {
3376 case MONO_PATCH_INFO_VTABLE:
3377 mono_type_get_desc (str, &patch_info->data.klass->byval_arg, TRUE);
3382 g_string_append_printf (str, ")");
3383 return g_string_free (str, FALSE);
3389 * Return whenever PATCH_INFO refers to a direct call, and thus requires a
3392 static inline gboolean
3393 is_plt_patch (MonoJumpInfo *patch_info)
3395 switch (patch_info->type) {
3396 case MONO_PATCH_INFO_METHOD:
3397 case MONO_PATCH_INFO_INTERNAL_METHOD:
3398 case MONO_PATCH_INFO_JIT_ICALL_ADDR:
3399 case MONO_PATCH_INFO_ICALL_ADDR_CALL:
3400 case MONO_PATCH_INFO_RGCTX_FETCH:
3410 * Return the symbol identifying the plt entry PLT_OFFSET.
3413 get_plt_symbol (MonoAotCompile *acfg, int plt_offset, MonoJumpInfo *patch_info)
3417 * The Apple linker reorganizes object files, so it doesn't like branches to local
3418 * labels, since those have no relocations.
3420 return g_strdup_printf ("%sp_%d", acfg->llvm_label_prefix, plt_offset);
3422 return g_strdup_printf ("%sp_%d", acfg->temp_prefix, plt_offset);
3429 * Return a PLT entry which belongs to the method identified by PATCH_INFO.
3431 static MonoPltEntry*
3432 get_plt_entry (MonoAotCompile *acfg, MonoJumpInfo *patch_info)
3435 gboolean synchronized = FALSE;
3436 static int synchronized_symbol_idx;
3438 if (!is_plt_patch (patch_info))
3441 if (!acfg->patch_to_plt_entry [patch_info->type])
3442 acfg->patch_to_plt_entry [patch_info->type] = g_hash_table_new (mono_patch_info_hash, mono_patch_info_equal);
3443 res = (MonoPltEntry *)g_hash_table_lookup (acfg->patch_to_plt_entry [patch_info->type], patch_info);
3445 if (!acfg->llvm && patch_info->type == MONO_PATCH_INFO_METHOD && (patch_info->data.method->iflags & METHOD_IMPL_ATTRIBUTE_SYNCHRONIZED)) {
3447 * Allocate a separate PLT slot for each such patch, since some plt
3448 * entries will refer to the method itself, and some will refer to the
3452 synchronized = TRUE;
3456 MonoJumpInfo *new_ji;
3458 new_ji = mono_patch_info_dup_mp (acfg->mempool, patch_info);
3460 res = (MonoPltEntry *)mono_mempool_alloc0 (acfg->mempool, sizeof (MonoPltEntry));
3461 res->plt_offset = acfg->plt_offset;
3463 res->symbol = get_plt_symbol (acfg, res->plt_offset, patch_info);
3464 if (acfg->aot_opts.write_symbols)
3465 res->debug_sym = get_plt_entry_debug_sym (acfg, res->ji, acfg->plt_entry_debug_sym_cache);
3467 /* Avoid duplicate symbols because we don't cache */
3468 res->symbol = g_strdup_printf ("%s_%d", res->symbol, synchronized_symbol_idx);
3470 res->debug_sym = g_strdup_printf ("%s_%d", res->debug_sym, synchronized_symbol_idx);
3471 synchronized_symbol_idx ++;
3474 res->llvm_symbol = g_strdup_printf ("%s_%s_llvm", res->symbol, res->debug_sym);
3476 res->llvm_symbol = g_strdup_printf ("%s_llvm", res->symbol);
3478 g_hash_table_insert (acfg->patch_to_plt_entry [new_ji->type], new_ji, res);
3480 g_hash_table_insert (acfg->plt_offset_to_entry, GUINT_TO_POINTER (res->plt_offset), res);
3482 //g_assert (mono_patch_info_equal (patch_info, new_ji));
3483 //mono_print_ji (patch_info); printf ("\n");
3484 //g_hash_table_print_stats (acfg->patch_to_plt_entry);
3486 acfg->plt_offset ++;
3495 * Returns the offset of the GOT slot where the runtime object resulting from resolving
3496 * JI could be found if it exists, otherwise allocates a new one.
3499 get_got_offset (MonoAotCompile *acfg, gboolean llvm, MonoJumpInfo *ji)
3502 GotInfo *info = llvm ? &acfg->llvm_got_info : &acfg->got_info;
3504 got_offset = GPOINTER_TO_UINT (g_hash_table_lookup (info->patch_to_got_offset_by_type [ji->type], ji));
3506 return got_offset - 1;
3509 got_offset = acfg->llvm_got_offset;
3510 acfg->llvm_got_offset ++;
3512 got_offset = acfg->got_offset;
3513 acfg->got_offset ++;
3516 acfg->stats.got_slots ++;
3517 acfg->stats.got_slot_types [ji->type] ++;
3519 g_hash_table_insert (info->patch_to_got_offset, ji, GUINT_TO_POINTER (got_offset + 1));
3520 g_hash_table_insert (info->patch_to_got_offset_by_type [ji->type], ji, GUINT_TO_POINTER (got_offset + 1));
3521 g_ptr_array_add (info->got_patches, ji);
3526 /* Add a method to the list of methods which need to be emitted */
3528 add_method_with_index (MonoAotCompile *acfg, MonoMethod *method, int index, gboolean extra)
3531 if (!g_hash_table_lookup (acfg->method_indexes, method)) {
3532 g_ptr_array_add (acfg->methods, method);
3533 g_hash_table_insert (acfg->method_indexes, method, GUINT_TO_POINTER (index + 1));
3534 acfg->nmethods = acfg->methods->len + 1;
3537 if (method->wrapper_type || extra)
3538 g_ptr_array_add (acfg->extra_methods, method);
3542 prefer_gsharedvt_method (MonoAotCompile *acfg, MonoMethod *method)
3544 /* One instantiation with valuetypes is generated for each async method */
3545 if (method->klass->image == mono_defaults.corlib && (!strcmp (method->klass->name, "AsyncMethodBuilderCore") || !strcmp (method->klass->name, "AsyncVoidMethodBuilder")))
3552 get_method_index (MonoAotCompile *acfg, MonoMethod *method)
3554 int index = GPOINTER_TO_UINT (g_hash_table_lookup (acfg->method_indexes, method));
3562 add_method_full (MonoAotCompile *acfg, MonoMethod *method, gboolean extra, int depth)
3566 index = GPOINTER_TO_UINT (g_hash_table_lookup (acfg->method_indexes, method));
3570 index = acfg->method_index;
3571 add_method_with_index (acfg, method, index, extra);
3573 g_ptr_array_add (acfg->method_order, GUINT_TO_POINTER (index));
3575 g_hash_table_insert (acfg->method_depth, method, GUINT_TO_POINTER (depth));
3577 acfg->method_index ++;
3583 add_method (MonoAotCompile *acfg, MonoMethod *method)
3585 return add_method_full (acfg, method, FALSE, 0);
3589 add_extra_method_with_depth (MonoAotCompile *acfg, MonoMethod *method, int depth)
3591 if (mono_method_is_generic_sharable_full (method, TRUE, TRUE, FALSE))
3592 method = mini_get_shared_method (method);
3593 else if ((acfg->opts & MONO_OPT_GSHAREDVT) && prefer_gsharedvt_method (acfg, method) && mono_method_is_generic_sharable_full (method, FALSE, FALSE, TRUE))
3594 /* Use the gsharedvt version */
3595 method = mini_get_shared_method_full (method, TRUE, TRUE);
3597 if (acfg->aot_opts.log_generics)
3598 aot_printf (acfg, "%*sAdding method %s.\n", depth, "", mono_method_get_full_name (method));
3600 add_method_full (acfg, method, TRUE, depth);
3604 add_extra_method (MonoAotCompile *acfg, MonoMethod *method)
3606 add_extra_method_with_depth (acfg, method, 0);
3610 add_jit_icall_wrapper (gpointer key, gpointer value, gpointer user_data)
3612 MonoAotCompile *acfg = (MonoAotCompile *)user_data;
3613 MonoJitICallInfo *callinfo = (MonoJitICallInfo *)value;
3614 MonoMethod *wrapper;
3620 name = g_strdup_printf ("__icall_wrapper_%s", callinfo->name);
3621 wrapper = mono_marshal_get_icall_wrapper (callinfo->sig, name, callinfo->func, TRUE);
3624 add_method (acfg, wrapper);
3628 get_runtime_invoke_sig (MonoMethodSignature *sig)
3630 MonoMethodBuilder *mb;
3633 mb = mono_mb_new (mono_defaults.object_class, "FOO", MONO_WRAPPER_NONE);
3634 m = mono_mb_create_method (mb, sig, 16);
3635 MonoMethod *invoke = mono_marshal_get_runtime_invoke (m, FALSE);
3641 get_runtime_invoke (MonoAotCompile *acfg, MonoMethod *method, gboolean virtual_)
3643 return mono_marshal_get_runtime_invoke (method, virtual_);
3647 can_marshal_struct (MonoClass *klass)
3649 MonoClassField *field;
3650 gboolean can_marshal = TRUE;
3651 gpointer iter = NULL;
3652 MonoMarshalType *info;
3655 if (mono_class_is_auto_layout (klass))
3658 info = mono_marshal_load_type_info (klass);
3660 /* Only allow a few field types to avoid asserts in the marshalling code */
3661 while ((field = mono_class_get_fields (klass, &iter))) {
3662 if ((field->type->attrs & FIELD_ATTRIBUTE_STATIC))
3665 switch (field->type->type) {
3670 case MONO_TYPE_BOOLEAN:
3673 case MONO_TYPE_CHAR:
3681 case MONO_TYPE_STRING:
3683 case MONO_TYPE_VALUETYPE:
3684 if (!mono_class_from_mono_type (field->type)->enumtype && !can_marshal_struct (mono_class_from_mono_type (field->type)))
3685 can_marshal = FALSE;
3687 case MONO_TYPE_SZARRAY: {
3688 gboolean has_mspec = FALSE;
3691 for (i = 0; i < info->num_fields; ++i) {
3692 if (info->fields [i].field == field && info->fields [i].mspec)
3697 can_marshal = FALSE;
3701 can_marshal = FALSE;
3707 /* Its hard to compute whenever these can be marshalled or not */
3708 if (!strcmp (klass->name_space, "System.Net.NetworkInformation.MacOsStructs") && strcmp (klass->name, "sockaddr_dl"))
3715 create_gsharedvt_inst (MonoAotCompile *acfg, MonoMethod *method, MonoGenericContext *ctx)
3717 /* Create a vtype instantiation */
3718 MonoGenericContext shared_context;
3720 MonoGenericInst *inst;
3721 MonoGenericContainer *container;
3722 MonoClass **constraints;
3725 memset (ctx, 0, sizeof (MonoGenericContext));
3727 if (mono_class_is_gtd (method->klass)) {
3728 shared_context = mono_class_get_generic_container (method->klass)->context;
3729 inst = shared_context.class_inst;
3731 args = g_new0 (MonoType*, inst->type_argc);
3732 for (i = 0; i < inst->type_argc; ++i) {
3733 args [i] = &mono_defaults.int_class->byval_arg;
3735 ctx->class_inst = mono_metadata_get_generic_inst (inst->type_argc, args);
3737 if (method->is_generic) {
3738 container = mono_method_get_generic_container (method);
3739 shared_context = container->context;
3740 inst = shared_context.method_inst;
3742 args = g_new0 (MonoType*, inst->type_argc);
3743 for (i = 0; i < container->type_argc; ++i) {
3744 MonoGenericParamInfo *info = &container->type_params [i].info;
3745 gboolean ref_only = FALSE;
3747 if (info && info->constraints) {
3748 constraints = info->constraints;
3750 while (*constraints) {
3751 MonoClass *cklass = *constraints;
3752 if (!(cklass == mono_defaults.object_class || (cklass->image == mono_defaults.corlib && !strcmp (cklass->name, "ValueType"))))
3753 /* Inflaring the method with our vtype would not be valid */
3760 args [i] = &mono_defaults.object_class->byval_arg;
3762 args [i] = &mono_defaults.int_class->byval_arg;
3764 ctx->method_inst = mono_metadata_get_generic_inst (inst->type_argc, args);
3769 add_wrappers (MonoAotCompile *acfg)
3771 MonoMethod *method, *m;
3773 MonoMethodSignature *sig, *csig;
3777 * FIXME: Instead of AOTing all the wrappers, it might be better to redesign them
3778 * so there is only one wrapper of a given type, or inlining their contents into their
3781 for (i = 0; i < acfg->image->tables [MONO_TABLE_METHOD].rows; ++i) {
3784 guint32 token = MONO_TOKEN_METHOD_DEF | (i + 1);
3785 gboolean skip = FALSE;
3787 method = mono_get_method_checked (acfg->image, token, NULL, NULL, &error);
3788 report_loader_error (acfg, &error, "Failed to load method token 0x%x due to %s\n", i, mono_error_get_message (&error));
3790 if ((method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL) ||
3791 (method->iflags & METHOD_IMPL_ATTRIBUTE_RUNTIME) ||
3792 (method->flags & METHOD_ATTRIBUTE_ABSTRACT))
3795 /* Skip methods which can not be handled by get_runtime_invoke () */
3796 sig = mono_method_signature (method);
3799 if ((sig->ret->type == MONO_TYPE_PTR) ||
3800 (sig->ret->type == MONO_TYPE_TYPEDBYREF))
3802 if (mono_class_is_open_constructed_type (sig->ret))
3805 for (j = 0; j < sig->param_count; j++) {
3806 if (sig->params [j]->type == MONO_TYPE_TYPEDBYREF)
3808 if (mono_class_is_open_constructed_type (sig->params [j]))
3812 #ifdef MONO_ARCH_DYN_CALL_SUPPORTED
3813 if (!mono_class_is_contextbound (method->klass)) {
3814 MonoDynCallInfo *info = mono_arch_dyn_call_prepare (sig);
3815 gboolean has_nullable = FALSE;
3817 for (j = 0; j < sig->param_count; j++) {
3818 if (sig->params [j]->type == MONO_TYPE_GENERICINST && mono_class_is_nullable (mono_class_from_mono_type (sig->params [j])))
3819 has_nullable = TRUE;
3822 if (info && !has_nullable && !acfg->aot_opts.llvm_only) {
3823 /* Supported by the dynamic runtime-invoke wrapper */
3827 mono_arch_dyn_call_free (info);
3831 if (acfg->aot_opts.llvm_only)
3832 /* Supported by the gsharedvt based runtime-invoke wrapper */
3836 //printf ("%s\n", mono_method_full_name (method, TRUE));
3837 add_method (acfg, get_runtime_invoke (acfg, method, FALSE));
3841 if (strcmp (acfg->image->assembly->aname.name, "mscorlib") == 0) {
3844 /* Runtime invoke wrappers */
3846 /* void runtime-invoke () [.cctor] */
3847 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 0);
3848 csig->ret = &mono_defaults.void_class->byval_arg;
3849 add_method (acfg, get_runtime_invoke_sig (csig));
3851 /* void runtime-invoke () [Finalize] */
3852 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 0);
3854 csig->ret = &mono_defaults.void_class->byval_arg;
3855 add_method (acfg, get_runtime_invoke_sig (csig));
3857 /* void runtime-invoke (string) [exception ctor] */
3858 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 1);
3860 csig->ret = &mono_defaults.void_class->byval_arg;
3861 csig->params [0] = &mono_defaults.string_class->byval_arg;
3862 add_method (acfg, get_runtime_invoke_sig (csig));
3864 /* void runtime-invoke (string, string) [exception ctor] */
3865 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 2);
3867 csig->ret = &mono_defaults.void_class->byval_arg;
3868 csig->params [0] = &mono_defaults.string_class->byval_arg;
3869 csig->params [1] = &mono_defaults.string_class->byval_arg;
3870 add_method (acfg, get_runtime_invoke_sig (csig));
3872 /* string runtime-invoke () [Exception.ToString ()] */
3873 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 0);
3875 csig->ret = &mono_defaults.string_class->byval_arg;
3876 add_method (acfg, get_runtime_invoke_sig (csig));
3878 /* void runtime-invoke (string, Exception) [exception ctor] */
3879 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 2);
3881 csig->ret = &mono_defaults.void_class->byval_arg;
3882 csig->params [0] = &mono_defaults.string_class->byval_arg;
3883 csig->params [1] = &mono_defaults.exception_class->byval_arg;
3884 add_method (acfg, get_runtime_invoke_sig (csig));
3886 /* Assembly runtime-invoke (string, Assembly, bool) [DoAssemblyResolve] */
3887 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
3889 csig->ret = &(mono_class_load_from_name (
3890 mono_defaults.corlib, "System.Reflection", "Assembly"))->byval_arg;
3891 csig->params [0] = &mono_defaults.string_class->byval_arg;
3892 csig->params [1] = &(mono_class_load_from_name (mono_defaults.corlib, "System.Reflection", "Assembly"))->byval_arg;
3893 csig->params [2] = &mono_defaults.boolean_class->byval_arg;
3894 add_method (acfg, get_runtime_invoke_sig (csig));
3896 /* runtime-invoke used by finalizers */
3897 add_method (acfg, get_runtime_invoke (acfg, mono_class_get_method_from_name_flags (mono_defaults.object_class, "Finalize", 0, 0), TRUE));
3899 /* This is used by mono_runtime_capture_context () */
3900 method = mono_get_context_capture_method ();
3902 add_method (acfg, get_runtime_invoke (acfg, method, FALSE));
3904 #ifdef MONO_ARCH_DYN_CALL_SUPPORTED
3905 if (!acfg->aot_opts.llvm_only)
3906 add_method (acfg, mono_marshal_get_runtime_invoke_dynamic ());
3909 /* These are used by mono_jit_runtime_invoke () to calls gsharedvt out wrappers */
3910 if (acfg->aot_opts.llvm_only) {
3913 /* Create simplified signatures which match the signature used by the gsharedvt out wrappers */
3914 for (variants = 0; variants < 4; ++variants) {
3915 for (i = 0; i < 16; ++i) {
3916 sig = mini_get_gsharedvt_out_sig_wrapper_signature ((variants & 1) > 0, (variants & 2) > 0, i);
3917 add_extra_method (acfg, mono_marshal_get_runtime_invoke_for_sig (sig));
3925 add_method (acfg, mono_marshal_get_stelemref ());
3927 if (MONO_ARCH_HAVE_TLS_GET) {
3928 /* Managed Allocators */
3929 nallocators = mono_gc_get_managed_allocator_types ();
3930 for (i = 0; i < nallocators; ++i) {
3931 if ((m = mono_gc_get_managed_allocator_by_type (i, MANAGED_ALLOCATOR_REGULAR)))
3932 add_method (acfg, m);
3933 if ((m = mono_gc_get_managed_allocator_by_type (i, MANAGED_ALLOCATOR_SLOW_PATH)))
3934 add_method (acfg, m);
3938 /* write barriers */
3939 if (mono_gc_is_moving ()) {
3940 add_method (acfg, mono_gc_get_specific_write_barrier (FALSE));
3941 add_method (acfg, mono_gc_get_specific_write_barrier (TRUE));
3944 /* Stelemref wrappers */
3946 MonoMethod **wrappers;
3949 wrappers = mono_marshal_get_virtual_stelemref_wrappers (&nwrappers);
3950 for (i = 0; i < nwrappers; ++i)
3951 add_method (acfg, wrappers [i]);
3955 /* castclass_with_check wrapper */
3956 add_method (acfg, mono_marshal_get_castclass_with_cache ());
3957 /* isinst_with_check wrapper */
3958 add_method (acfg, mono_marshal_get_isinst_with_cache ());
3960 /* JIT icall wrappers */
3961 /* FIXME: locking - this is "safe" as full-AOT threads don't mutate the icall hash*/
3962 g_hash_table_foreach (mono_get_jit_icall_info (), add_jit_icall_wrapper, acfg);
3966 * remoting-invoke-with-check wrappers are very frequent, so avoid emitting them,
3967 * we use the original method instead at runtime.
3968 * Since full-aot doesn't support remoting, this is not a problem.
3971 /* remoting-invoke wrappers */
3972 for (i = 0; i < acfg->image->tables [MONO_TABLE_METHOD].rows; ++i) {
3974 MonoMethodSignature *sig;
3976 token = MONO_TOKEN_METHOD_DEF | (i + 1);
3977 method = mono_get_method_checked (acfg->image, token, NULL, NULL, &error);
3978 g_assert (mono_error_ok (&error)); /* FIXME don't swallow the error */
3980 sig = mono_method_signature (method);
3982 if (sig->hasthis && (method->klass->marshalbyref || method->klass == mono_defaults.object_class)) {
3983 m = mono_marshal_get_remoting_invoke_with_check (method);
3985 add_method (acfg, m);
3990 /* delegate-invoke wrappers */
3991 for (i = 0; i < acfg->image->tables [MONO_TABLE_TYPEDEF].rows; ++i) {
3994 MonoCustomAttrInfo *cattr;
3996 token = MONO_TOKEN_TYPE_DEF | (i + 1);
3997 klass = mono_class_get_checked (acfg->image, token, &error);
4000 mono_error_cleanup (&error);
4004 if (!klass->delegate || klass == mono_defaults.delegate_class || klass == mono_defaults.multicastdelegate_class)
4007 if (!mono_class_is_gtd (klass)) {
4008 method = mono_get_delegate_invoke (klass);
4010 m = mono_marshal_get_delegate_invoke (method, NULL);
4012 add_method (acfg, m);
4014 method = mono_class_get_method_from_name_flags (klass, "BeginInvoke", -1, 0);
4016 add_method (acfg, mono_marshal_get_delegate_begin_invoke (method));
4018 method = mono_class_get_method_from_name_flags (klass, "EndInvoke", -1, 0);
4020 add_method (acfg, mono_marshal_get_delegate_end_invoke (method));
4022 cattr = mono_custom_attrs_from_class_checked (klass, &error);
4023 if (!is_ok (&error)) {
4024 mono_error_cleanup (&error);
4031 for (j = 0; j < cattr->num_attrs; ++j)
4032 if (cattr->attrs [j].ctor && (!strcmp (cattr->attrs [j].ctor->klass->name, "MonoNativeFunctionWrapperAttribute") || !strcmp (cattr->attrs [j].ctor->klass->name, "UnmanagedFunctionPointerAttribute")))
4034 if (j < cattr->num_attrs) {
4036 MonoMethod *wrapper;
4037 MonoMethod *del_invoke;
4039 /* Add wrappers needed by mono_ftnptr_to_delegate () */
4040 invoke = mono_get_delegate_invoke (klass);
4041 wrapper = mono_marshal_get_native_func_wrapper_aot (klass);
4042 del_invoke = mono_marshal_get_delegate_invoke_internal (invoke, FALSE, TRUE, wrapper);
4043 add_method (acfg, wrapper);
4044 add_method (acfg, del_invoke);
4047 } else if ((acfg->opts & MONO_OPT_GSHAREDVT) && mono_class_is_gtd (klass)) {
4049 MonoGenericContext ctx;
4050 MonoMethod *inst, *gshared;
4053 * Emit gsharedvt versions of the generic delegate-invoke wrappers
4056 method = mono_get_delegate_invoke (klass);
4057 create_gsharedvt_inst (acfg, method, &ctx);
4059 inst = mono_class_inflate_generic_method_checked (method, &ctx, &error);
4060 g_assert (mono_error_ok (&error)); /* FIXME don't swallow the error */
4062 m = mono_marshal_get_delegate_invoke (inst, NULL);
4063 g_assert (m->is_inflated);
4065 gshared = mini_get_shared_method_full (m, FALSE, TRUE);
4066 add_extra_method (acfg, gshared);
4069 method = mono_get_delegate_begin_invoke (klass);
4070 create_gsharedvt_inst (acfg, method, &ctx);
4072 inst = mono_class_inflate_generic_method_checked (method, &ctx, &error);
4073 g_assert (mono_error_ok (&error)); /* FIXME don't swallow the error */
4075 m = mono_marshal_get_delegate_begin_invoke (inst);
4076 g_assert (m->is_inflated);
4078 gshared = mini_get_shared_method_full (m, FALSE, TRUE);
4079 add_extra_method (acfg, gshared);
4082 method = mono_get_delegate_end_invoke (klass);
4083 create_gsharedvt_inst (acfg, method, &ctx);
4085 inst = mono_class_inflate_generic_method_checked (method, &ctx, &error);
4086 g_assert (mono_error_ok (&error)); /* FIXME don't swallow the error */
4088 m = mono_marshal_get_delegate_end_invoke (inst);
4089 g_assert (m->is_inflated);
4091 gshared = mini_get_shared_method_full (m, FALSE, TRUE);
4092 add_extra_method (acfg, gshared);
4097 /* array access wrappers */
4098 for (i = 0; i < acfg->image->tables [MONO_TABLE_TYPESPEC].rows; ++i) {
4102 token = MONO_TOKEN_TYPE_SPEC | (i + 1);
4103 klass = mono_class_get_checked (acfg->image, token, &error);
4106 mono_error_cleanup (&error);
4110 if (klass->rank && MONO_TYPE_IS_PRIMITIVE (&klass->element_class->byval_arg)) {
4111 MonoMethod *m, *wrapper;
4113 /* Add runtime-invoke wrappers too */
4115 m = mono_class_get_method_from_name (klass, "Get", -1);
4117 wrapper = mono_marshal_get_array_accessor_wrapper (m);
4118 add_extra_method (acfg, wrapper);
4119 if (!acfg->aot_opts.llvm_only)
4120 add_extra_method (acfg, get_runtime_invoke (acfg, wrapper, FALSE));
4122 m = mono_class_get_method_from_name (klass, "Set", -1);
4124 wrapper = mono_marshal_get_array_accessor_wrapper (m);
4125 add_extra_method (acfg, wrapper);
4126 if (!acfg->aot_opts.llvm_only)
4127 add_extra_method (acfg, get_runtime_invoke (acfg, wrapper, FALSE));
4131 /* Synchronized wrappers */
4132 for (i = 0; i < acfg->image->tables [MONO_TABLE_METHOD].rows; ++i) {
4134 token = MONO_TOKEN_METHOD_DEF | (i + 1);
4135 method = mono_get_method_checked (acfg->image, token, NULL, NULL, &error);
4136 report_loader_error (acfg, &error, "Failed to load method token 0x%x due to %s\n", i, mono_error_get_message (&error));
4138 if (method->iflags & METHOD_IMPL_ATTRIBUTE_SYNCHRONIZED) {
4139 if (method->is_generic) {
4141 } else if ((acfg->opts & MONO_OPT_GSHAREDVT) && mono_class_is_gtd (method->klass)) {
4143 MonoGenericContext ctx;
4144 MonoMethod *inst, *gshared, *m;
4147 * Create a generic wrapper for a generic instance, and AOT that.
4149 create_gsharedvt_inst (acfg, method, &ctx);
4150 inst = mono_class_inflate_generic_method_checked (method, &ctx, &error);
4151 g_assert (mono_error_ok (&error)); /* FIXME don't swallow the error */
4152 m = mono_marshal_get_synchronized_wrapper (inst);
4153 g_assert (m->is_inflated);
4154 gshared = mini_get_shared_method_full (m, FALSE, TRUE);
4155 add_method (acfg, gshared);
4157 add_method (acfg, mono_marshal_get_synchronized_wrapper (method));
4162 /* pinvoke wrappers */
4163 for (i = 0; i < acfg->image->tables [MONO_TABLE_METHOD].rows; ++i) {
4166 guint32 token = MONO_TOKEN_METHOD_DEF | (i + 1);
4168 method = mono_get_method_checked (acfg->image, token, NULL, NULL, &error);
4169 report_loader_error (acfg, &error, "Failed to load method token 0x%x due to %s\n", i, mono_error_get_message (&error));
4171 if ((method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL) ||
4172 (method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL)) {
4173 add_method (acfg, mono_marshal_get_native_wrapper (method, TRUE, TRUE));
4176 if (method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) {
4177 if (acfg->aot_opts.llvm_only) {
4178 /* The wrappers have a different signature (hasthis is not set) so need to add this too */
4179 add_gsharedvt_wrappers (acfg, mono_method_signature (method), FALSE, TRUE);
4184 /* native-to-managed wrappers */
4185 for (i = 0; i < acfg->image->tables [MONO_TABLE_METHOD].rows; ++i) {
4188 guint32 token = MONO_TOKEN_METHOD_DEF | (i + 1);
4189 MonoCustomAttrInfo *cattr;
4192 method = mono_get_method_checked (acfg->image, token, NULL, NULL, &error);
4193 report_loader_error (acfg, &error, "Failed to load method token 0x%x due to %s\n", i, mono_error_get_message (&error));
4196 * Only generate native-to-managed wrappers for methods which have an
4197 * attribute named MonoPInvokeCallbackAttribute. We search for the attribute by
4198 * name to avoid defining a new assembly to contain it.
4200 cattr = mono_custom_attrs_from_method_checked (method, &error);
4201 if (!is_ok (&error)) {
4202 char *name = mono_method_get_full_name (method);
4203 report_loader_error (acfg, &error, "Failed to load custom attributes from method %s due to %s\n", name, mono_error_get_message (&error));
4208 for (j = 0; j < cattr->num_attrs; ++j)
4209 if (cattr->attrs [j].ctor && !strcmp (cattr->attrs [j].ctor->klass->name, "MonoPInvokeCallbackAttribute"))
4211 if (j < cattr->num_attrs) {
4212 MonoCustomAttrEntry *e = &cattr->attrs [j];
4213 MonoMethodSignature *sig = mono_method_signature (e->ctor);
4214 const char *p = (const char*)e->data;
4216 int slen, num_named, named_type;
4220 char *export_name = NULL;
4221 MonoMethod *wrapper;
4223 /* this cannot be enforced by the C# compiler so we must give the user some warning before aborting */
4224 if (!(method->flags & METHOD_ATTRIBUTE_STATIC)) {
4225 g_warning ("AOT restriction: Method '%s' must be static since it is decorated with [MonoPInvokeCallback]. See http://ios.xamarin.com/Documentation/Limitations#Reverse_Callbacks",
4226 mono_method_full_name (method, TRUE));
4230 g_assert (sig->param_count == 1);
4231 g_assert (sig->params [0]->type == MONO_TYPE_CLASS && !strcmp (mono_class_from_mono_type (sig->params [0])->name, "Type"));
4234 * Decode the cattr manually since we can't create objects
4235 * during aot compilation.
4241 /* From load_cattr_value () in reflection.c */
4242 slen = mono_metadata_decode_value (p, &p);
4243 n = (char *)g_memdup (p, slen + 1);
4245 t = mono_reflection_type_from_name_checked (n, acfg->image, &error);
4247 mono_error_assert_ok (&error);
4250 klass = mono_class_from_mono_type (t);
4251 g_assert (klass->parent == mono_defaults.multicastdelegate_class);
4255 num_named = read16 (p);
4258 g_assert (num_named < 2);
4259 if (num_named == 1) {
4263 /* parse ExportSymbol attribute */
4265 named_type = *named;
4267 /* data_type = *named; */
4270 name_len = mono_metadata_decode_blob_size (named, &named);
4271 name = (char *)g_malloc (name_len + 1);
4272 memcpy (name, named, name_len);
4273 name [name_len] = 0;
4276 g_assert (named_type == 0x54);
4277 g_assert (!strcmp (name, "ExportSymbol"));
4279 /* load_cattr_value (), string case */
4280 g_assert (*named != (char)0xff);
4281 slen = mono_metadata_decode_value (named, &named);
4282 export_name = (char *)g_malloc (slen + 1);
4283 memcpy (export_name, named, slen);
4284 export_name [slen] = 0;
4288 wrapper = mono_marshal_get_managed_wrapper (method, klass, 0);
4289 add_method (acfg, wrapper);
4291 g_hash_table_insert (acfg->export_names, wrapper, export_name);
4296 if ((method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL) ||
4297 (method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL)) {
4298 add_method (acfg, mono_marshal_get_native_wrapper (method, TRUE, TRUE));
4302 /* StructureToPtr/PtrToStructure wrappers */
4303 for (i = 0; i < acfg->image->tables [MONO_TABLE_TYPEDEF].rows; ++i) {
4307 token = MONO_TOKEN_TYPE_DEF | (i + 1);
4308 klass = mono_class_get_checked (acfg->image, token, &error);
4311 mono_error_cleanup (&error);
4315 if (klass->valuetype && !mono_class_is_gtd (klass) && can_marshal_struct (klass) &&
4316 !(klass->nested_in && strstr (klass->nested_in->name, "<PrivateImplementationDetails>") == klass->nested_in->name)) {
4317 add_method (acfg, mono_marshal_get_struct_to_ptr (klass));
4318 add_method (acfg, mono_marshal_get_ptr_to_struct (klass));
4324 has_type_vars (MonoClass *klass)
4326 if ((klass->byval_arg.type == MONO_TYPE_VAR) || (klass->byval_arg.type == MONO_TYPE_MVAR))
4329 return has_type_vars (klass->element_class);
4330 if (mono_class_is_ginst (klass)) {
4331 MonoGenericContext *context = &mono_class_get_generic_class (klass)->context;
4332 if (context->class_inst) {
4335 for (i = 0; i < context->class_inst->type_argc; ++i)
4336 if (has_type_vars (mono_class_from_mono_type (context->class_inst->type_argv [i])))
4340 if (mono_class_is_gtd (klass))
4346 is_vt_inst (MonoGenericInst *inst)
4350 for (i = 0; i < inst->type_argc; ++i) {
4351 MonoType *t = inst->type_argv [i];
4352 if (MONO_TYPE_ISSTRUCT (t) || t->type == MONO_TYPE_VALUETYPE)
4359 method_has_type_vars (MonoMethod *method)
4361 if (has_type_vars (method->klass))
4364 if (method->is_inflated) {
4365 MonoGenericContext *context = mono_method_get_context (method);
4366 if (context->method_inst) {
4369 for (i = 0; i < context->method_inst->type_argc; ++i)
4370 if (has_type_vars (mono_class_from_mono_type (context->method_inst->type_argv [i])))
4378 gboolean mono_aot_mode_is_full (MonoAotOptions *opts)
4380 return opts->mode == MONO_AOT_MODE_FULL;
4384 gboolean mono_aot_mode_is_hybrid (MonoAotOptions *opts)
4386 return opts->mode == MONO_AOT_MODE_HYBRID;
4389 static void add_generic_class_with_depth (MonoAotCompile *acfg, MonoClass *klass, int depth, const char *ref);
4392 add_generic_class (MonoAotCompile *acfg, MonoClass *klass, gboolean force, const char *ref)
4394 /* This might lead to a huge code blowup so only do it if neccesary */
4395 if (!mono_aot_mode_is_full (&acfg->aot_opts) && !mono_aot_mode_is_hybrid (&acfg->aot_opts) && !force)
4398 add_generic_class_with_depth (acfg, klass, 0, ref);
4402 check_type_depth (MonoType *t, int depth)
4410 case MONO_TYPE_GENERICINST: {
4411 MonoGenericClass *gklass = t->data.generic_class;
4412 MonoGenericInst *ginst = gklass->context.class_inst;
4415 for (i = 0; i < ginst->type_argc; ++i) {
4416 if (check_type_depth (ginst->type_argv [i], depth + 1))
4430 add_types_from_method_header (MonoAotCompile *acfg, MonoMethod *method);
4433 * add_generic_class:
4435 * Add all methods of a generic class.
4438 add_generic_class_with_depth (MonoAotCompile *acfg, MonoClass *klass, int depth, const char *ref)
4441 MonoClassField *field;
4443 gboolean use_gsharedvt = FALSE;
4445 if (!acfg->ginst_hash)
4446 acfg->ginst_hash = g_hash_table_new (NULL, NULL);
4448 mono_class_init (klass);
4450 if (mono_class_is_ginst (klass) && mono_class_get_generic_class (klass)->context.class_inst->is_open)
4453 if (has_type_vars (klass))
4456 if (!mono_class_is_ginst (klass) && !klass->rank)
4459 if (mono_class_has_failure (klass))
4462 if (!acfg->ginst_hash)
4463 acfg->ginst_hash = g_hash_table_new (NULL, NULL);
4465 if (g_hash_table_lookup (acfg->ginst_hash, klass))
4468 if (check_type_depth (&klass->byval_arg, 0))
4471 if (acfg->aot_opts.log_generics)
4472 aot_printf (acfg, "%*sAdding generic instance %s [%s].\n", depth, "", mono_type_full_name (&klass->byval_arg), ref);
4474 g_hash_table_insert (acfg->ginst_hash, klass, klass);
4477 * Use gsharedvt for generic collections with vtype arguments to avoid code blowup.
4478 * Enable this only for some classes since gsharedvt might not support all methods.
4480 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) &&
4481 (!strcmp (klass->name, "Dictionary`2") || !strcmp (klass->name, "List`1") || !strcmp (klass->name, "ReadOnlyCollection`1")))
4482 use_gsharedvt = TRUE;
4485 while ((method = mono_class_get_methods (klass, &iter))) {
4486 if ((acfg->opts & MONO_OPT_GSHAREDVT) && method->is_inflated && mono_method_get_context (method)->method_inst) {
4488 * This is partial sharing, and we can't handle it yet
4493 if (mono_method_is_generic_sharable_full (method, FALSE, FALSE, use_gsharedvt)) {
4495 add_types_from_method_header (acfg, method);
4499 if (method->is_generic)
4504 * FIXME: Instances which are referenced by these methods are not added,
4505 * for example Array.Resize<int> for List<int>.Add ().
4507 add_extra_method_with_depth (acfg, method, depth + 1);
4511 while ((field = mono_class_get_fields (klass, &iter))) {
4512 if (field->type->type == MONO_TYPE_GENERICINST)
4513 add_generic_class_with_depth (acfg, mono_class_from_mono_type (field->type), depth + 1, "field");
4516 if (klass->delegate) {
4517 method = mono_get_delegate_invoke (klass);
4519 method = mono_marshal_get_delegate_invoke (method, NULL);
4521 if (acfg->aot_opts.log_generics)
4522 aot_printf (acfg, "%*sAdding method %s.\n", depth, "", mono_method_get_full_name (method));
4524 add_method (acfg, method);
4527 /* Add superclasses */
4529 add_generic_class_with_depth (acfg, klass->parent, depth, "parent");
4532 * For ICollection<T>, add instances of the helper methods
4533 * in Array, since a T[] could be cast to ICollection<T>.
4535 if (klass->image == mono_defaults.corlib && !strcmp (klass->name_space, "System.Collections.Generic") &&
4536 (!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"))) {
4537 MonoClass *tclass = mono_class_from_mono_type (mono_class_get_generic_class (klass)->context.class_inst->type_argv [0]);
4538 MonoClass *array_class = mono_bounded_array_class_get (tclass, 1, FALSE);
4542 if (!strcmp (klass->name, "IEnumerator`1"))
4543 name_prefix = g_strdup_printf ("%s.%s", klass->name_space, "IEnumerable`1");
4545 name_prefix = g_strdup_printf ("%s.%s", klass->name_space, klass->name);
4547 /* Add the T[]/InternalEnumerator class */
4548 if (!strcmp (klass->name, "IEnumerable`1") || !strcmp (klass->name, "IEnumerator`1")) {
4553 while ((nclass = mono_class_get_nested_types (array_class->parent, &iter))) {
4554 if (!strcmp (nclass->name, "InternalEnumerator`1"))
4558 nclass = mono_class_inflate_generic_class_checked (nclass, mono_generic_class_get_context (mono_class_get_generic_class (klass)), &error);
4559 mono_error_assert_ok (&error); /* FIXME don't swallow the error */
4560 add_generic_class (acfg, nclass, FALSE, "ICollection<T>");
4564 while ((method = mono_class_get_methods (array_class, &iter))) {
4565 if (strstr (method->name, name_prefix)) {
4566 MonoMethod *m = mono_aot_get_array_helper_from_wrapper (method);
4568 add_extra_method_with_depth (acfg, m, depth);
4572 g_free (name_prefix);
4575 /* Add an instance of GenericComparer<T> which is created dynamically by Comparer<T> */
4576 if (klass->image == mono_defaults.corlib && !strcmp (klass->name_space, "System.Collections.Generic") && !strcmp (klass->name, "Comparer`1")) {
4578 MonoClass *tclass = mono_class_from_mono_type (mono_class_get_generic_class (klass)->context.class_inst->type_argv [0]);
4579 MonoClass *icomparable, *gcomparer, *icomparable_inst;
4580 MonoGenericContext ctx;
4581 MonoType *args [16];
4583 memset (&ctx, 0, sizeof (ctx));
4585 icomparable = mono_class_load_from_name (mono_defaults.corlib, "System", "IComparable`1");
4587 args [0] = &tclass->byval_arg;
4588 ctx.class_inst = mono_metadata_get_generic_inst (1, args);
4590 icomparable_inst = mono_class_inflate_generic_class_checked (icomparable, &ctx, &error);
4591 mono_error_assert_ok (&error); /* FIXME don't swallow the error */
4593 if (mono_class_is_assignable_from (icomparable_inst, tclass)) {
4594 MonoClass *gcomparer_inst;
4595 gcomparer = mono_class_load_from_name (mono_defaults.corlib, "System.Collections.Generic", "GenericComparer`1");
4596 gcomparer_inst = mono_class_inflate_generic_class_checked (gcomparer, &ctx, &error);
4597 mono_error_assert_ok (&error); /* FIXME don't swallow the error */
4599 add_generic_class (acfg, gcomparer_inst, FALSE, "Comparer<T>");
4603 /* Add an instance of GenericEqualityComparer<T> which is created dynamically by EqualityComparer<T> */
4604 if (klass->image == mono_defaults.corlib && !strcmp (klass->name_space, "System.Collections.Generic") && !strcmp (klass->name, "EqualityComparer`1")) {
4606 MonoClass *tclass = mono_class_from_mono_type (mono_class_get_generic_class (klass)->context.class_inst->type_argv [0]);
4607 MonoClass *iface, *gcomparer, *iface_inst;
4608 MonoGenericContext ctx;
4609 MonoType *args [16];
4611 memset (&ctx, 0, sizeof (ctx));
4613 iface = mono_class_load_from_name (mono_defaults.corlib, "System", "IEquatable`1");
4615 args [0] = &tclass->byval_arg;
4616 ctx.class_inst = mono_metadata_get_generic_inst (1, args);
4618 iface_inst = mono_class_inflate_generic_class_checked (iface, &ctx, &error);
4619 mono_error_assert_ok (&error); /* FIXME don't swallow the error */
4621 if (mono_class_is_assignable_from (iface_inst, tclass)) {
4622 MonoClass *gcomparer_inst;
4625 gcomparer = mono_class_load_from_name (mono_defaults.corlib, "System.Collections.Generic", "GenericEqualityComparer`1");
4626 gcomparer_inst = mono_class_inflate_generic_class_checked (gcomparer, &ctx, &error);
4627 mono_error_assert_ok (&error); /* FIXME don't swallow the error */
4628 add_generic_class (acfg, gcomparer_inst, FALSE, "EqualityComparer<T>");
4632 /* Add an instance of EnumComparer<T> which is created dynamically by EqualityComparer<T> for enums */
4633 if (klass->image == mono_defaults.corlib && !strcmp (klass->name_space, "System.Collections.Generic") && !strcmp (klass->name, "EqualityComparer`1")) {
4634 MonoClass *enum_comparer;
4635 MonoClass *tclass = mono_class_from_mono_type (mono_class_get_generic_class (klass)->context.class_inst->type_argv [0]);
4636 MonoGenericContext ctx;
4637 MonoType *args [16];
4639 if (mono_class_is_enum (tclass)) {
4640 MonoClass *enum_comparer_inst;
4643 memset (&ctx, 0, sizeof (ctx));
4644 args [0] = &tclass->byval_arg;
4645 ctx.class_inst = mono_metadata_get_generic_inst (1, args);
4647 enum_comparer = mono_class_load_from_name (mono_defaults.corlib, "System.Collections.Generic", "EnumEqualityComparer`1");
4648 enum_comparer_inst = mono_class_inflate_generic_class_checked (enum_comparer, &ctx, &error);
4649 mono_error_assert_ok (&error); /* FIXME don't swallow the error */
4650 add_generic_class (acfg, enum_comparer_inst, FALSE, "EqualityComparer<T>");
4654 /* Add an instance of ObjectComparer<T> which is created dynamically by Comparer<T> for enums */
4655 if (klass->image == mono_defaults.corlib && !strcmp (klass->name_space, "System.Collections.Generic") && !strcmp (klass->name, "Comparer`1")) {
4656 MonoClass *comparer;
4657 MonoClass *tclass = mono_class_from_mono_type (mono_class_get_generic_class (klass)->context.class_inst->type_argv [0]);
4658 MonoGenericContext ctx;
4659 MonoType *args [16];
4661 if (mono_class_is_enum (tclass)) {
4662 MonoClass *comparer_inst;
4665 memset (&ctx, 0, sizeof (ctx));
4666 args [0] = &tclass->byval_arg;
4667 ctx.class_inst = mono_metadata_get_generic_inst (1, args);
4669 comparer = mono_class_load_from_name (mono_defaults.corlib, "System.Collections.Generic", "ObjectComparer`1");
4670 comparer_inst = mono_class_inflate_generic_class_checked (comparer, &ctx, &error);
4671 mono_error_assert_ok (&error); /* FIXME don't swallow the error */
4672 add_generic_class (acfg, comparer_inst, FALSE, "Comparer<T>");
4678 add_instances_of (MonoAotCompile *acfg, MonoClass *klass, MonoType **insts, int ninsts, gboolean force)
4681 MonoGenericContext ctx;
4682 MonoType *args [16];
4684 if (acfg->aot_opts.no_instances)
4687 memset (&ctx, 0, sizeof (ctx));
4689 for (i = 0; i < ninsts; ++i) {
4691 MonoClass *generic_inst;
4692 args [0] = insts [i];
4693 ctx.class_inst = mono_metadata_get_generic_inst (1, args);
4694 generic_inst = mono_class_inflate_generic_class_checked (klass, &ctx, &error);
4695 mono_error_assert_ok (&error); /* FIXME don't swallow the error */
4696 add_generic_class (acfg, generic_inst, force, "");
4701 add_types_from_method_header (MonoAotCompile *acfg, MonoMethod *method)
4704 MonoMethodHeader *header;
4705 MonoMethodSignature *sig;
4708 depth = GPOINTER_TO_UINT (g_hash_table_lookup (acfg->method_depth, method));
4710 sig = mono_method_signature (method);
4713 for (j = 0; j < sig->param_count; ++j)
4714 if (sig->params [j]->type == MONO_TYPE_GENERICINST)
4715 add_generic_class_with_depth (acfg, mono_class_from_mono_type (sig->params [j]), depth + 1, "arg");
4718 header = mono_method_get_header_checked (method, &error);
4721 for (j = 0; j < header->num_locals; ++j)
4722 if (header->locals [j]->type == MONO_TYPE_GENERICINST)
4723 add_generic_class_with_depth (acfg, mono_class_from_mono_type (header->locals [j]), depth + 1, "local");
4724 mono_metadata_free_mh (header);
4726 mono_error_cleanup (&error); /* FIXME report the error */
4732 * add_generic_instances:
4734 * Add instances referenced by the METHODSPEC/TYPESPEC table.
4737 add_generic_instances (MonoAotCompile *acfg)
4742 MonoGenericContext *context;
4744 if (acfg->aot_opts.no_instances)
4747 for (i = 0; i < acfg->image->tables [MONO_TABLE_METHODSPEC].rows; ++i) {
4749 token = MONO_TOKEN_METHOD_SPEC | (i + 1);
4750 method = mono_get_method_checked (acfg->image, token, NULL, NULL, &error);
4753 aot_printerrf (acfg, "Failed to load methodspec 0x%x due to %s.\n", token, mono_error_get_message (&error));
4754 aot_printerrf (acfg, "Run with MONO_LOG_LEVEL=debug for more information.\n");
4755 mono_error_cleanup (&error);
4759 if (method->klass->image != acfg->image)
4762 context = mono_method_get_context (method);
4764 if (context && ((context->class_inst && context->class_inst->is_open)))
4768 * For open methods, create an instantiation which can be passed to the JIT.
4769 * FIXME: Handle class_inst as well.
4771 if (context && context->method_inst && context->method_inst->is_open) {
4773 MonoGenericContext shared_context;
4774 MonoGenericInst *inst;
4775 MonoType **type_argv;
4777 MonoMethod *declaring_method;
4778 gboolean supported = TRUE;
4780 /* Check that the context doesn't contain open constructed types */
4781 if (context->class_inst) {
4782 inst = context->class_inst;
4783 for (i = 0; i < inst->type_argc; ++i) {
4784 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)
4786 if (mono_class_is_open_constructed_type (inst->type_argv [i]))
4790 if (context->method_inst) {
4791 inst = context->method_inst;
4792 for (i = 0; i < inst->type_argc; ++i) {
4793 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)
4795 if (mono_class_is_open_constructed_type (inst->type_argv [i]))
4803 memset (&shared_context, 0, sizeof (MonoGenericContext));
4805 inst = context->class_inst;
4807 type_argv = g_new0 (MonoType*, inst->type_argc);
4808 for (i = 0; i < inst->type_argc; ++i) {
4809 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)
4810 type_argv [i] = &mono_defaults.object_class->byval_arg;
4812 type_argv [i] = inst->type_argv [i];
4815 shared_context.class_inst = mono_metadata_get_generic_inst (inst->type_argc, type_argv);
4819 inst = context->method_inst;
4821 type_argv = g_new0 (MonoType*, inst->type_argc);
4822 for (i = 0; i < inst->type_argc; ++i) {
4823 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)
4824 type_argv [i] = &mono_defaults.object_class->byval_arg;
4826 type_argv [i] = inst->type_argv [i];
4829 shared_context.method_inst = mono_metadata_get_generic_inst (inst->type_argc, type_argv);
4833 if (method->is_generic || mono_class_is_gtd (method->klass))
4834 declaring_method = method;
4836 declaring_method = mono_method_get_declaring_generic_method (method);
4838 method = mono_class_inflate_generic_method_checked (declaring_method, &shared_context, &error);
4839 g_assert (mono_error_ok (&error)); /* FIXME don't swallow the error */
4843 * If the method is fully sharable, it was already added in place of its
4844 * generic definition.
4846 if (mono_method_is_generic_sharable_full (method, FALSE, FALSE, FALSE))
4850 * FIXME: Partially shared methods are not shared here, so we end up with
4851 * many identical methods.
4853 add_extra_method (acfg, method);
4856 for (i = 0; i < acfg->image->tables [MONO_TABLE_TYPESPEC].rows; ++i) {
4860 token = MONO_TOKEN_TYPE_SPEC | (i + 1);
4862 klass = mono_class_get_checked (acfg->image, token, &error);
4863 if (!klass || klass->rank) {
4864 mono_error_cleanup (&error);
4868 add_generic_class (acfg, klass, FALSE, "typespec");
4871 /* Add types of args/locals */
4872 for (i = 0; i < acfg->methods->len; ++i) {
4873 method = (MonoMethod *)g_ptr_array_index (acfg->methods, i);
4874 add_types_from_method_header (acfg, method);
4877 if (acfg->image == mono_defaults.corlib) {
4879 MonoType *insts [256];
4882 insts [ninsts ++] = &mono_defaults.byte_class->byval_arg;
4883 insts [ninsts ++] = &mono_defaults.sbyte_class->byval_arg;
4884 insts [ninsts ++] = &mono_defaults.int16_class->byval_arg;
4885 insts [ninsts ++] = &mono_defaults.uint16_class->byval_arg;
4886 insts [ninsts ++] = &mono_defaults.int32_class->byval_arg;
4887 insts [ninsts ++] = &mono_defaults.uint32_class->byval_arg;
4888 insts [ninsts ++] = &mono_defaults.int64_class->byval_arg;
4889 insts [ninsts ++] = &mono_defaults.uint64_class->byval_arg;
4890 insts [ninsts ++] = &mono_defaults.single_class->byval_arg;
4891 insts [ninsts ++] = &mono_defaults.double_class->byval_arg;
4892 insts [ninsts ++] = &mono_defaults.char_class->byval_arg;
4893 insts [ninsts ++] = &mono_defaults.boolean_class->byval_arg;
4895 /* Add GenericComparer<T> instances for primitive types for Enum.ToString () */
4896 klass = mono_class_try_load_from_name (acfg->image, "System.Collections.Generic", "GenericComparer`1");
4898 add_instances_of (acfg, klass, insts, ninsts, TRUE);
4899 klass = mono_class_try_load_from_name (acfg->image, "System.Collections.Generic", "GenericEqualityComparer`1");
4901 add_instances_of (acfg, klass, insts, ninsts, TRUE);
4903 /* Add instances of EnumEqualityComparer which are created by EqualityComparer<T> for enums */
4905 MonoClass *enum_comparer;
4906 MonoType *insts [16];
4910 insts [ninsts ++] = &mono_defaults.int32_class->byval_arg;
4911 insts [ninsts ++] = &mono_defaults.uint32_class->byval_arg;
4912 insts [ninsts ++] = &mono_defaults.uint16_class->byval_arg;
4913 insts [ninsts ++] = &mono_defaults.byte_class->byval_arg;
4914 enum_comparer = mono_class_load_from_name (mono_defaults.corlib, "System.Collections.Generic", "EnumEqualityComparer`1");
4915 add_instances_of (acfg, enum_comparer, insts, ninsts, FALSE);
4918 insts [ninsts ++] = &mono_defaults.int16_class->byval_arg;
4919 enum_comparer = mono_class_load_from_name (mono_defaults.corlib, "System.Collections.Generic", "ShortEnumEqualityComparer`1");
4920 add_instances_of (acfg, enum_comparer, insts, ninsts, FALSE);
4923 insts [ninsts ++] = &mono_defaults.sbyte_class->byval_arg;
4924 enum_comparer = mono_class_load_from_name (mono_defaults.corlib, "System.Collections.Generic", "SByteEnumEqualityComparer`1");
4925 add_instances_of (acfg, enum_comparer, insts, ninsts, FALSE);
4927 enum_comparer = mono_class_load_from_name (mono_defaults.corlib, "System.Collections.Generic", "LongEnumEqualityComparer`1");
4929 insts [ninsts ++] = &mono_defaults.int64_class->byval_arg;
4930 insts [ninsts ++] = &mono_defaults.uint64_class->byval_arg;
4931 add_instances_of (acfg, enum_comparer, insts, ninsts, FALSE);
4934 /* Add instances of the array generic interfaces for primitive types */
4935 /* This will add instances of the InternalArray_ helper methods in Array too */
4936 klass = mono_class_try_load_from_name (acfg->image, "System.Collections.Generic", "ICollection`1");
4938 add_instances_of (acfg, klass, insts, ninsts, TRUE);
4940 klass = mono_class_try_load_from_name (acfg->image, "System.Collections.Generic", "IList`1");
4942 add_instances_of (acfg, klass, insts, ninsts, TRUE);
4944 klass = mono_class_try_load_from_name (acfg->image, "System.Collections.Generic", "IEnumerable`1");
4946 add_instances_of (acfg, klass, insts, ninsts, TRUE);
4949 * Add a managed-to-native wrapper of Array.GetGenericValueImpl<object>, which is
4950 * used for all instances of GetGenericValueImpl by the AOT runtime.
4953 MonoGenericContext ctx;
4954 MonoType *args [16];
4955 MonoMethod *get_method;
4956 MonoClass *array_klass = mono_array_class_get (mono_defaults.object_class, 1)->parent;
4958 get_method = mono_class_get_method_from_name (array_klass, "GetGenericValueImpl", 2);
4962 memset (&ctx, 0, sizeof (ctx));
4963 args [0] = &mono_defaults.object_class->byval_arg;
4964 ctx.method_inst = mono_metadata_get_generic_inst (1, args);
4965 add_extra_method (acfg, mono_marshal_get_native_wrapper (mono_class_inflate_generic_method_checked (get_method, &ctx, &error), TRUE, TRUE));
4966 g_assert (mono_error_ok (&error)); /* FIXME don't swallow the error */
4970 /* Same for CompareExchange<T>/Exchange<T> */
4972 MonoGenericContext ctx;
4973 MonoType *args [16];
4975 MonoClass *interlocked_klass = mono_class_load_from_name (mono_defaults.corlib, "System.Threading", "Interlocked");
4976 gpointer iter = NULL;
4978 while ((m = mono_class_get_methods (interlocked_klass, &iter))) {
4979 if ((!strcmp (m->name, "CompareExchange") || !strcmp (m->name, "Exchange")) && m->is_generic) {
4981 memset (&ctx, 0, sizeof (ctx));
4982 args [0] = &mono_defaults.object_class->byval_arg;
4983 ctx.method_inst = mono_metadata_get_generic_inst (1, args);
4984 add_extra_method (acfg, mono_marshal_get_native_wrapper (mono_class_inflate_generic_method_checked (m, &ctx, &error), TRUE, TRUE));
4985 g_assert (mono_error_ok (&error)); /* FIXME don't swallow the error */
4990 /* Same for Volatile.Read/Write<T> */
4992 MonoGenericContext ctx;
4993 MonoType *args [16];
4995 MonoClass *volatile_klass = mono_class_try_load_from_name (mono_defaults.corlib, "System.Threading", "Volatile");
4996 gpointer iter = NULL;
4998 if (volatile_klass) {
4999 while ((m = mono_class_get_methods (volatile_klass, &iter))) {
5000 if ((!strcmp (m->name, "Read") || !strcmp (m->name, "Write")) && m->is_generic) {
5002 memset (&ctx, 0, sizeof (ctx));
5003 args [0] = &mono_defaults.object_class->byval_arg;
5004 ctx.method_inst = mono_metadata_get_generic_inst (1, args);
5005 add_extra_method (acfg, mono_marshal_get_native_wrapper (mono_class_inflate_generic_method_checked (m, &ctx, &error), TRUE, TRUE));
5006 g_assert (mono_error_ok (&error)); /* FIXME don't swallow the error */
5012 /* object[] accessor wrappers. */
5013 for (i = 1; i < 4; ++i) {
5014 MonoClass *obj_array_class = mono_array_class_get (mono_defaults.object_class, i);
5017 m = mono_class_get_method_from_name (obj_array_class, "Get", i);
5020 m = mono_marshal_get_array_accessor_wrapper (m);
5021 add_extra_method (acfg, m);
5023 m = mono_class_get_method_from_name (obj_array_class, "Address", i);
5026 m = mono_marshal_get_array_accessor_wrapper (m);
5027 add_extra_method (acfg, m);
5029 m = mono_class_get_method_from_name (obj_array_class, "Set", i + 1);
5032 m = mono_marshal_get_array_accessor_wrapper (m);
5033 add_extra_method (acfg, m);
5039 * is_direct_callable:
5041 * Return whenever the method identified by JI is directly callable without
5042 * going through the PLT.
5045 is_direct_callable (MonoAotCompile *acfg, MonoMethod *method, MonoJumpInfo *patch_info)
5047 if ((patch_info->type == MONO_PATCH_INFO_METHOD) && (patch_info->data.method->klass->image == acfg->image)) {
5048 MonoCompile *callee_cfg = (MonoCompile *)g_hash_table_lookup (acfg->method_to_cfg, patch_info->data.method);
5050 gboolean direct_callable = TRUE;
5052 if (direct_callable && !(!callee_cfg->has_got_slots && mono_class_is_before_field_init (callee_cfg->method->klass)))
5053 direct_callable = FALSE;
5054 if ((callee_cfg->method->iflags & METHOD_IMPL_ATTRIBUTE_SYNCHRONIZED) && (!method || method->wrapper_type != MONO_WRAPPER_SYNCHRONIZED))
5055 // FIXME: Maybe call the wrapper directly ?
5056 direct_callable = FALSE;
5058 if (acfg->aot_opts.soft_debug || acfg->aot_opts.no_direct_calls) {
5059 /* Disable this so all calls go through load_method (), see the
5060 * mini_get_debug_options ()->load_aot_jit_info_eagerly = TRUE; line in
5061 * mono_debugger_agent_init ().
5063 direct_callable = FALSE;
5066 if (callee_cfg->method->wrapper_type == MONO_WRAPPER_ALLOC)
5067 /* sgen does some initialization when the allocator method is created */
5068 direct_callable = FALSE;
5069 if (callee_cfg->method->wrapper_type == MONO_WRAPPER_WRITE_BARRIER)
5070 /* we don't know at compile time whether sgen is concurrent or not */
5071 direct_callable = FALSE;
5073 if (direct_callable)
5076 } else if ((patch_info->type == MONO_PATCH_INFO_ICALL_ADDR_CALL && patch_info->data.method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL)) {
5077 if (acfg->aot_opts.direct_pinvoke)
5079 } else if (patch_info->type == MONO_PATCH_INFO_ICALL_ADDR_CALL) {
5080 if (acfg->aot_opts.direct_icalls)
5088 #ifdef MONO_ARCH_AOT_SUPPORTED
5090 get_pinvoke_import (MonoAotCompile *acfg, MonoMethod *method)
5092 MonoImage *image = method->klass->image;
5093 MonoMethodPInvoke *piinfo = (MonoMethodPInvoke *) method;
5094 MonoTableInfo *tables = image->tables;
5095 MonoTableInfo *im = &tables [MONO_TABLE_IMPLMAP];
5096 MonoTableInfo *mr = &tables [MONO_TABLE_MODULEREF];
5097 guint32 im_cols [MONO_IMPLMAP_SIZE];
5100 import = (char *)g_hash_table_lookup (acfg->method_to_pinvoke_import, method);
5104 if (!piinfo->implmap_idx || piinfo->implmap_idx > im->rows)
5107 mono_metadata_decode_row (im, piinfo->implmap_idx - 1, im_cols, MONO_IMPLMAP_SIZE);
5109 if (!im_cols [MONO_IMPLMAP_SCOPE] || im_cols [MONO_IMPLMAP_SCOPE] > mr->rows)
5112 import = g_strdup_printf ("%s", mono_metadata_string_heap (image, im_cols [MONO_IMPLMAP_NAME]));
5114 g_hash_table_insert (acfg->method_to_pinvoke_import, method, import);
5120 get_pinvoke_import (MonoAotCompile *acfg, MonoMethod *method)
5127 compare_lne (MonoDebugLineNumberEntry *a, MonoDebugLineNumberEntry *b)
5129 if (a->native_offset == b->native_offset)
5130 return a->il_offset - b->il_offset;
5132 return a->native_offset - b->native_offset;
5136 * compute_line_numbers:
5138 * Returns a sparse array of size CODE_SIZE containing MonoDebugSourceLocation* entries for the native offsets which have a corresponding line number
5141 static MonoDebugSourceLocation**
5142 compute_line_numbers (MonoMethod *method, int code_size, MonoDebugMethodJitInfo *debug_info)
5144 MonoDebugMethodInfo *minfo;
5145 MonoDebugLineNumberEntry *ln_array;
5146 MonoDebugSourceLocation *loc;
5147 int i, prev_line, prev_il_offset;
5148 int *native_to_il_offset = NULL;
5149 MonoDebugSourceLocation **res;
5152 minfo = mono_debug_lookup_method (method);
5155 // FIXME: This seems to happen when two methods have the same cfg->method_to_register
5156 if (debug_info->code_size != code_size)
5159 g_assert (code_size);
5161 /* Compute the native->IL offset mapping */
5163 ln_array = g_new0 (MonoDebugLineNumberEntry, debug_info->num_line_numbers);
5164 memcpy (ln_array, debug_info->line_numbers, debug_info->num_line_numbers * sizeof (MonoDebugLineNumberEntry));
5166 qsort (ln_array, debug_info->num_line_numbers, sizeof (MonoDebugLineNumberEntry), (int (*)(const void *, const void *))compare_lne);
5168 native_to_il_offset = g_new0 (int, code_size + 1);
5170 for (i = 0; i < debug_info->num_line_numbers; ++i) {
5172 MonoDebugLineNumberEntry *lne = &ln_array [i];
5175 for (j = 0; j < lne->native_offset; ++j)
5176 native_to_il_offset [j] = -1;
5179 if (i < debug_info->num_line_numbers - 1) {
5180 MonoDebugLineNumberEntry *lne_next = &ln_array [i + 1];
5182 for (j = lne->native_offset; j < lne_next->native_offset; ++j)
5183 native_to_il_offset [j] = lne->il_offset;
5185 for (j = lne->native_offset; j < code_size; ++j)
5186 native_to_il_offset [j] = lne->il_offset;
5191 /* Compute the native->line number mapping */
5192 res = g_new0 (MonoDebugSourceLocation*, code_size);
5193 prev_il_offset = -1;
5196 for (i = 0; i < code_size; ++i) {
5197 int il_offset = native_to_il_offset [i];
5199 if (il_offset == -1 || il_offset == prev_il_offset)
5201 prev_il_offset = il_offset;
5202 loc = mono_debug_symfile_lookup_location (minfo, il_offset);
5203 if (!(loc && loc->source_file))
5205 if (loc->row == prev_line) {
5206 mono_debug_symfile_free_location (loc);
5209 prev_line = loc->row;
5210 //printf ("D: %s:%d il=%x native=%x\n", loc->source_file, loc->row, il_offset, i);
5212 /* This will cover the prolog too */
5222 get_file_index (MonoAotCompile *acfg, const char *source_file)
5226 // FIXME: Free these
5227 if (!acfg->dwarf_ln_filenames)
5228 acfg->dwarf_ln_filenames = g_hash_table_new (g_str_hash, g_str_equal);
5229 findex = GPOINTER_TO_INT (g_hash_table_lookup (acfg->dwarf_ln_filenames, source_file));
5231 findex = g_hash_table_size (acfg->dwarf_ln_filenames) + 1;
5232 g_hash_table_insert (acfg->dwarf_ln_filenames, g_strdup (source_file), GINT_TO_POINTER (findex));
5233 emit_unset_mode (acfg);
5234 fprintf (acfg->fp, ".file %d \"%s\"\n", findex, mono_dwarf_escape_path (source_file));
5246 * emit_and_reloc_code:
5248 * Emit the native code in CODE, handling relocations along the way. If GOT_ONLY
5249 * is true, calls are made through the GOT too. This is used for emitting trampolines
5250 * in full-aot mode, since calls made from trampolines couldn't go through the PLT,
5251 * since trampolines are needed to make PTL work.
5254 emit_and_reloc_code (MonoAotCompile *acfg, MonoMethod *method, guint8 *code, guint32 code_len, MonoJumpInfo *relocs, gboolean got_only, MonoDebugMethodJitInfo *debug_info)
5256 int i, pindex, start_index;
5258 MonoJumpInfo *patch_info;
5259 MonoDebugSourceLocation **locs = NULL;
5260 gboolean skip, prologue_end = FALSE;
5261 #ifdef MONO_ARCH_AOT_SUPPORTED
5262 gboolean direct_call, external_call;
5264 const char *direct_call_target = 0;
5265 const char *direct_pinvoke;
5268 if (acfg->gas_line_numbers && method && debug_info) {
5269 locs = compute_line_numbers (method, code_len, debug_info);
5271 int findex = get_file_index (acfg, "<unknown>");
5272 emit_unset_mode (acfg);
5273 fprintf (acfg->fp, ".loc %d %d 0\n", findex, 1);
5277 /* Collect and sort relocations */
5278 patches = g_ptr_array_new ();
5279 for (patch_info = relocs; patch_info; patch_info = patch_info->next)
5280 g_ptr_array_add (patches, patch_info);
5281 g_ptr_array_sort (patches, compare_patches);
5284 for (i = 0; i < code_len; i += INST_LEN) {
5286 for (pindex = start_index; pindex < patches->len; ++pindex) {
5287 patch_info = (MonoJumpInfo *)g_ptr_array_index (patches, pindex);
5288 if (patch_info->ip.i >= i)
5292 if (locs && locs [i]) {
5293 MonoDebugSourceLocation *loc = locs [i];
5295 const char *options;
5297 findex = get_file_index (acfg, loc->source_file);
5298 emit_unset_mode (acfg);
5300 options = " prologue_end";
5303 prologue_end = TRUE;
5304 fprintf (acfg->fp, ".loc %d %d 0%s\n", findex, loc->row, options);
5305 mono_debug_symfile_free_location (loc);
5309 #ifdef MONO_ARCH_AOT_SUPPORTED
5310 if (patch_info && (patch_info->ip.i == i) && (pindex < patches->len)) {
5311 start_index = pindex;
5313 switch (patch_info->type) {
5314 case MONO_PATCH_INFO_NONE:
5316 case MONO_PATCH_INFO_GOT_OFFSET: {
5319 arch_emit_got_offset (acfg, code + i, &code_size);
5320 i += code_size - INST_LEN;
5322 patch_info->type = MONO_PATCH_INFO_NONE;
5325 case MONO_PATCH_INFO_OBJC_SELECTOR_REF: {
5326 int code_size, index;
5327 char *selector = (char *)patch_info->data.target;
5329 if (!acfg->objc_selector_to_index)
5330 acfg->objc_selector_to_index = g_hash_table_new (g_str_hash, g_str_equal);
5331 if (!acfg->objc_selectors)
5332 acfg->objc_selectors = g_ptr_array_new ();
5333 index = GPOINTER_TO_UINT (g_hash_table_lookup (acfg->objc_selector_to_index, selector));
5337 index = acfg->objc_selector_index;
5338 g_ptr_array_add (acfg->objc_selectors, (void*)patch_info->data.target);
5339 g_hash_table_insert (acfg->objc_selector_to_index, selector, GUINT_TO_POINTER (index + 1));
5340 acfg->objc_selector_index ++;
5343 arch_emit_objc_selector_ref (acfg, code + i, index, &code_size);
5344 i += code_size - INST_LEN;
5346 patch_info->type = MONO_PATCH_INFO_NONE;
5351 * If this patch is a call, try emitting a direct call instead of
5352 * through a PLT entry. This is possible if the called method is in
5353 * the same assembly and requires no initialization.
5355 direct_call = FALSE;
5356 external_call = FALSE;
5357 if ((patch_info->type == MONO_PATCH_INFO_METHOD) && (patch_info->data.method->klass->image == acfg->image)) {
5358 if (!got_only && is_direct_callable (acfg, method, patch_info)) {
5359 MonoCompile *callee_cfg = (MonoCompile *)g_hash_table_lookup (acfg->method_to_cfg, patch_info->data.method);
5360 //printf ("DIRECT: %s %s\n", method ? mono_method_full_name (method, TRUE) : "", mono_method_full_name (callee_cfg->method, TRUE));
5362 direct_call_target = callee_cfg->asm_symbol;
5363 patch_info->type = MONO_PATCH_INFO_NONE;
5364 acfg->stats.direct_calls ++;
5367 acfg->stats.all_calls ++;
5368 } else if (patch_info->type == MONO_PATCH_INFO_ICALL_ADDR_CALL) {
5369 if (!got_only && is_direct_callable (acfg, method, patch_info)) {
5370 if (!(patch_info->data.method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL))
5371 direct_pinvoke = mono_lookup_icall_symbol (patch_info->data.method);
5373 direct_pinvoke = get_pinvoke_import (acfg, patch_info->data.method);
5374 if (direct_pinvoke) {
5376 g_assert (strlen (direct_pinvoke) < 1000);
5377 direct_call_target = g_strdup_printf ("%s%s", acfg->user_symbol_prefix, direct_pinvoke);
5380 } else if (patch_info->type == MONO_PATCH_INFO_JIT_ICALL_ADDR) {
5381 const char *sym = mono_lookup_jit_icall_symbol (patch_info->data.name);
5382 if (!got_only && sym && acfg->aot_opts.direct_icalls) {
5383 /* Call to a C function implementing a jit icall */
5385 external_call = TRUE;
5386 g_assert (strlen (sym) < 1000);
5387 direct_call_target = g_strdup_printf ("%s%s", acfg->user_symbol_prefix, sym);
5389 } else if (patch_info->type == MONO_PATCH_INFO_INTERNAL_METHOD) {
5390 MonoJitICallInfo *info = mono_find_jit_icall_by_name (patch_info->data.name);
5391 const char *sym = mono_lookup_jit_icall_symbol (patch_info->data.name);
5392 if (!got_only && sym && acfg->aot_opts.direct_icalls && info->func == info->wrapper) {
5393 /* Call to a jit icall without a wrapper */
5395 external_call = TRUE;
5396 g_assert (strlen (sym) < 1000);
5397 direct_call_target = g_strdup_printf ("%s%s", acfg->user_symbol_prefix, sym);
5402 patch_info->type = MONO_PATCH_INFO_NONE;
5403 acfg->stats.direct_calls ++;
5406 if (!got_only && !direct_call) {
5407 MonoPltEntry *plt_entry = get_plt_entry (acfg, patch_info);
5409 /* This patch has a PLT entry, so we must emit a call to the PLT entry */
5411 direct_call_target = plt_entry->symbol;
5413 /* Nullify the patch */
5414 patch_info->type = MONO_PATCH_INFO_NONE;
5415 plt_entry->jit_used = TRUE;
5422 arch_emit_direct_call (acfg, direct_call_target, external_call, FALSE, patch_info, &call_size);
5423 i += call_size - INST_LEN;
5427 got_slot = get_got_offset (acfg, FALSE, patch_info);
5429 arch_emit_got_access (acfg, acfg->got_symbol, code + i, got_slot, &code_size);
5430 i += code_size - INST_LEN;
5436 #endif /* MONO_ARCH_AOT_SUPPORTED */
5439 /* Find next patch */
5441 for (pindex = start_index; pindex < patches->len; ++pindex) {
5442 patch_info = (MonoJumpInfo *)g_ptr_array_index (patches, pindex);
5443 if (patch_info->ip.i >= i)
5447 /* Try to emit multiple bytes at once */
5448 if (pindex < patches->len && patch_info->ip.i > i) {
5451 for (limit = i + INST_LEN; limit < patch_info->ip.i; limit += INST_LEN) {
5452 if (locs && locs [limit])
5456 emit_code_bytes (acfg, code + i, limit - i);
5457 i = limit - INST_LEN;
5459 emit_code_bytes (acfg, code + i, INST_LEN);
5464 g_ptr_array_free (patches, TRUE);
5471 * Return a modified version of S which only includes characters permissible in symbols.
5474 sanitize_symbol (MonoAotCompile *acfg, char *s)
5476 gboolean process = FALSE;
5485 for (i = 0; i < len; ++i)
5486 if (!(s [i] <= 0x7f && (isalnum (s [i]) || s [i] == '_')))
5491 gs = g_string_sized_new (len);
5492 for (i = 0; i < len; ++i) {
5494 if (c <= 0x7f && (isalnum (c) || c == '_')) {
5495 g_string_append_c (gs, c);
5496 } else if (c > 0x7f) {
5497 /* multi-byte utf8 */
5498 g_string_append_printf (gs, "_0x%x", c);
5501 while (c >> 6 == 0x2) {
5502 g_string_append_printf (gs, "%x", c);
5506 g_string_append_printf (gs, "_");
5509 g_string_append_c (gs, '_');
5513 res = mono_mempool_strdup (acfg->mempool, gs->str);
5514 g_string_free (gs, TRUE);
5519 get_debug_sym (MonoMethod *method, const char *prefix, GHashTable *cache)
5521 char *name1, *name2, *cached;
5522 int i, j, len, count;
5523 MonoMethod *cached_method;
5525 name1 = mono_method_full_name (method, TRUE);
5528 // This is so that we don't accidentally create a local symbol (which starts with 'L')
5529 if ((!prefix || !*prefix) && name1 [0] == 'L')
5533 #if defined(TARGET_WIN32) && defined(TARGET_X86)
5534 char adjustedPrefix [MAX_SYMBOL_SIZE];
5535 prefix = mangle_symbol (prefix, adjustedPrefix, G_N_ELEMENTS (adjustedPrefix));
5538 len = strlen (name1);
5539 name2 = (char *)malloc (strlen (prefix) + len + 16);
5540 memcpy (name2, prefix, strlen (prefix));
5541 j = strlen (prefix);
5542 for (i = 0; i < len; ++i) {
5543 if (i == 0 && name1 [0] >= '0' && name1 [0] <= '9') {
5545 } else if (isalnum (name1 [i])) {
5546 name2 [j ++] = name1 [i];
5547 } else if (name1 [i] == ' ' && name1 [i + 1] == '(' && name1 [i + 2] == ')') {
5549 } else if (name1 [i] == ',' && name1 [i + 1] == ' ') {
5552 } else if (name1 [i] == '(' || name1 [i] == ')' || name1 [i] == '>') {
5562 cached_method = (MonoMethod *)g_hash_table_lookup (cache, name2);
5563 if (!(cached_method && cached_method != method))
5565 sprintf (name2 + j, "_%d", count);
5569 cached = g_strdup (name2);
5570 g_hash_table_insert (cache, cached, method);
5576 emit_method_code (MonoAotCompile *acfg, MonoCompile *cfg)
5581 char *debug_sym = NULL;
5582 char *symbol = NULL;
5583 int func_alignment = AOT_FUNC_ALIGNMENT;
5586 method = cfg->orig_method;
5587 code = cfg->native_code;
5589 method_index = get_method_index (acfg, method);
5590 symbol = g_strdup_printf ("%sme_%x", acfg->temp_prefix, method_index);
5592 /* Make the labels local */
5593 emit_section_change (acfg, ".text", 0);
5594 emit_alignment_code (acfg, func_alignment);
5596 if (acfg->global_symbols && acfg->need_no_dead_strip)
5597 fprintf (acfg->fp, " .no_dead_strip %s\n", cfg->asm_symbol);
5599 emit_label (acfg, cfg->asm_symbol);
5601 if (acfg->aot_opts.write_symbols && !acfg->global_symbols && !acfg->llvm) {
5603 * Write a C style symbol for every method, this has two uses:
5604 * - it works on platforms where the dwarf debugging info is not
5606 * - it allows the setting of breakpoints of aot-ed methods.
5608 debug_sym = get_debug_sym (method, "", acfg->method_label_hash);
5609 cfg->asm_debug_symbol = g_strdup (debug_sym);
5611 if (acfg->need_no_dead_strip)
5612 fprintf (acfg->fp, " .no_dead_strip %s\n", debug_sym);
5613 emit_local_symbol (acfg, debug_sym, symbol, TRUE);
5614 emit_label (acfg, debug_sym);
5617 export_name = (char *)g_hash_table_lookup (acfg->export_names, method);
5619 /* Emit a global symbol for the method */
5620 emit_global_inner (acfg, export_name, TRUE);
5621 emit_label (acfg, export_name);
5624 if (cfg->verbose_level > 0)
5625 g_print ("Method %s emitted as %s\n", mono_method_get_full_name (method), cfg->asm_symbol);
5627 acfg->stats.code_size += cfg->code_len;
5629 acfg->cfgs [method_index]->got_offset = acfg->got_offset;
5631 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 ()));
5635 if (acfg->aot_opts.write_symbols) {
5637 emit_symbol_size (acfg, debug_sym, ".");
5639 emit_symbol_size (acfg, cfg->asm_symbol, ".");
5643 emit_label (acfg, symbol);
5650 * Encode PATCH_INFO into its disk representation.
5653 encode_patch (MonoAotCompile *acfg, MonoJumpInfo *patch_info, guint8 *buf, guint8 **endbuf)
5657 switch (patch_info->type) {
5658 case MONO_PATCH_INFO_NONE:
5660 case MONO_PATCH_INFO_IMAGE:
5661 encode_value (get_image_index (acfg, patch_info->data.image), p, &p);
5663 case MONO_PATCH_INFO_MSCORLIB_GOT_ADDR:
5664 case MONO_PATCH_INFO_JIT_TLS_ID:
5665 case MONO_PATCH_INFO_GC_CARD_TABLE_ADDR:
5666 case MONO_PATCH_INFO_GC_NURSERY_START:
5667 case MONO_PATCH_INFO_GC_NURSERY_BITS:
5669 case MONO_PATCH_INFO_CASTCLASS_CACHE:
5670 encode_value (patch_info->data.index, p, &p);
5672 case MONO_PATCH_INFO_METHOD_REL:
5673 encode_value ((gint)patch_info->data.offset, p, &p);
5675 case MONO_PATCH_INFO_SWITCH: {
5676 gpointer *table = (gpointer *)patch_info->data.table->table;
5679 encode_value (patch_info->data.table->table_size, p, &p);
5680 for (k = 0; k < patch_info->data.table->table_size; k++)
5681 encode_value ((int)(gssize)table [k], p, &p);
5684 case MONO_PATCH_INFO_METHODCONST:
5685 case MONO_PATCH_INFO_METHOD:
5686 case MONO_PATCH_INFO_METHOD_JUMP:
5687 case MONO_PATCH_INFO_ICALL_ADDR:
5688 case MONO_PATCH_INFO_ICALL_ADDR_CALL:
5689 case MONO_PATCH_INFO_METHOD_RGCTX:
5690 case MONO_PATCH_INFO_METHOD_CODE_SLOT:
5691 encode_method_ref (acfg, patch_info->data.method, p, &p);
5693 case MONO_PATCH_INFO_AOT_JIT_INFO:
5694 encode_value (patch_info->data.index, p, &p);
5696 case MONO_PATCH_INFO_INTERNAL_METHOD:
5697 case MONO_PATCH_INFO_JIT_ICALL_ADDR: {
5698 guint32 len = strlen (patch_info->data.name);
5700 encode_value (len, p, &p);
5702 memcpy (p, patch_info->data.name, len);
5707 case MONO_PATCH_INFO_LDSTR: {
5708 guint32 image_index = get_image_index (acfg, patch_info->data.token->image);
5709 guint32 token = patch_info->data.token->token;
5710 g_assert (mono_metadata_token_code (token) == MONO_TOKEN_STRING);
5711 encode_value (image_index, p, &p);
5712 encode_value (patch_info->data.token->token - MONO_TOKEN_STRING, p, &p);
5715 case MONO_PATCH_INFO_RVA:
5716 case MONO_PATCH_INFO_DECLSEC:
5717 case MONO_PATCH_INFO_LDTOKEN:
5718 case MONO_PATCH_INFO_TYPE_FROM_HANDLE:
5719 encode_value (get_image_index (acfg, patch_info->data.token->image), p, &p);
5720 encode_value (patch_info->data.token->token, p, &p);
5721 encode_value (patch_info->data.token->has_context, p, &p);
5722 if (patch_info->data.token->has_context)
5723 encode_generic_context (acfg, &patch_info->data.token->context, p, &p);
5725 case MONO_PATCH_INFO_EXC_NAME: {
5726 MonoClass *ex_class;
5729 mono_class_load_from_name (mono_defaults.exception_class->image,
5730 "System", (const char *)patch_info->data.target);
5731 encode_klass_ref (acfg, ex_class, p, &p);
5734 case MONO_PATCH_INFO_R4:
5735 encode_value (*((guint32 *)patch_info->data.target), p, &p);
5737 case MONO_PATCH_INFO_R8:
5738 encode_value (((guint32 *)patch_info->data.target) [MINI_LS_WORD_IDX], p, &p);
5739 encode_value (((guint32 *)patch_info->data.target) [MINI_MS_WORD_IDX], p, &p);
5741 case MONO_PATCH_INFO_VTABLE:
5742 case MONO_PATCH_INFO_CLASS:
5743 case MONO_PATCH_INFO_IID:
5744 case MONO_PATCH_INFO_ADJUSTED_IID:
5745 encode_klass_ref (acfg, patch_info->data.klass, p, &p);
5747 case MONO_PATCH_INFO_DELEGATE_TRAMPOLINE:
5748 encode_klass_ref (acfg, patch_info->data.del_tramp->klass, p, &p);
5749 if (patch_info->data.del_tramp->method) {
5750 encode_value (1, p, &p);
5751 encode_method_ref (acfg, patch_info->data.del_tramp->method, p, &p);
5753 encode_value (0, p, &p);
5755 encode_value (patch_info->data.del_tramp->is_virtual, p, &p);
5757 case MONO_PATCH_INFO_FIELD:
5758 case MONO_PATCH_INFO_SFLDA:
5759 encode_field_info (acfg, patch_info->data.field, p, &p);
5761 case MONO_PATCH_INFO_INTERRUPTION_REQUEST_FLAG:
5763 case MONO_PATCH_INFO_RGCTX_FETCH:
5764 case MONO_PATCH_INFO_RGCTX_SLOT_INDEX: {
5765 MonoJumpInfoRgctxEntry *entry = patch_info->data.rgctx_entry;
5770 * entry->method has a lenghtly encoding and multiple rgctx_fetch entries
5771 * reference the same method, so encode the method only once.
5773 offset = GPOINTER_TO_UINT (g_hash_table_lookup (acfg->method_blob_hash, entry->method));
5775 buf2 = (guint8 *)g_malloc (1024);
5778 encode_method_ref (acfg, entry->method, p2, &p2);
5779 g_assert (p2 - buf2 < 1024);
5781 offset = add_to_blob (acfg, buf2, p2 - buf2);
5784 g_hash_table_insert (acfg->method_blob_hash, entry->method, GUINT_TO_POINTER (offset + 1));
5789 encode_value (offset, p, &p);
5790 g_assert ((int)entry->info_type < 256);
5791 g_assert (entry->data->type < 256);
5792 encode_value ((entry->in_mrgctx ? 1 : 0) | (entry->info_type << 1) | (entry->data->type << 9), p, &p);
5793 encode_patch (acfg, entry->data, p, &p);
5796 case MONO_PATCH_INFO_SEQ_POINT_INFO:
5797 case MONO_PATCH_INFO_AOT_MODULE:
5799 case MONO_PATCH_INFO_SIGNATURE:
5800 case MONO_PATCH_INFO_GSHAREDVT_IN_WRAPPER:
5801 encode_signature (acfg, (MonoMethodSignature*)patch_info->data.target, p, &p);
5803 case MONO_PATCH_INFO_TLS_OFFSET:
5804 encode_value (GPOINTER_TO_INT (patch_info->data.target), p, &p);
5806 case MONO_PATCH_INFO_GSHAREDVT_CALL:
5807 encode_signature (acfg, (MonoMethodSignature*)patch_info->data.gsharedvt->sig, p, &p);
5808 encode_method_ref (acfg, patch_info->data.gsharedvt->method, p, &p);
5810 case MONO_PATCH_INFO_GSHAREDVT_METHOD: {
5811 MonoGSharedVtMethodInfo *info = patch_info->data.gsharedvt_method;
5814 encode_method_ref (acfg, info->method, p, &p);
5815 encode_value (info->num_entries, p, &p);
5816 for (i = 0; i < info->num_entries; ++i) {
5817 MonoRuntimeGenericContextInfoTemplate *template_ = &info->entries [i];
5819 encode_value (template_->info_type, p, &p);
5820 switch (mini_rgctx_info_type_to_patch_info_type (template_->info_type)) {
5821 case MONO_PATCH_INFO_CLASS:
5822 encode_klass_ref (acfg, mono_class_from_mono_type ((MonoType *)template_->data), p, &p);
5824 case MONO_PATCH_INFO_FIELD:
5825 encode_field_info (acfg, (MonoClassField *)template_->data, p, &p);
5828 g_assert_not_reached ();
5834 case MONO_PATCH_INFO_LDSTR_LIT: {
5835 const char *s = (const char *)patch_info->data.target;
5836 int len = strlen (s);
5838 encode_value (len, p, &p);
5839 memcpy (p, s, len + 1);
5843 case MONO_PATCH_INFO_VIRT_METHOD:
5844 encode_klass_ref (acfg, patch_info->data.virt_method->klass, p, &p);
5845 encode_method_ref (acfg, patch_info->data.virt_method->method, p, &p);
5847 case MONO_PATCH_INFO_GC_SAFE_POINT_FLAG:
5848 case MONO_PATCH_INFO_GET_TLS_TRAMP:
5851 g_warning ("unable to handle jump info %d", patch_info->type);
5852 g_assert_not_reached ();
5859 encode_patch_list (MonoAotCompile *acfg, GPtrArray *patches, int n_patches, gboolean llvm, int first_got_offset, guint8 *buf, guint8 **endbuf)
5862 guint32 pindex, offset;
5863 MonoJumpInfo *patch_info;
5865 encode_value (n_patches, p, &p);
5867 for (pindex = 0; pindex < patches->len; ++pindex) {
5868 patch_info = (MonoJumpInfo *)g_ptr_array_index (patches, pindex);
5870 if (patch_info->type == MONO_PATCH_INFO_NONE || patch_info->type == MONO_PATCH_INFO_BB)
5874 offset = get_got_offset (acfg, llvm, patch_info);
5875 encode_value (offset, p, &p);
5882 emit_method_info (MonoAotCompile *acfg, MonoCompile *cfg)
5885 int pindex, buf_size, n_patches;
5887 MonoJumpInfo *patch_info;
5888 guint32 method_index;
5890 guint32 first_got_offset;
5892 method = cfg->orig_method;
5894 method_index = get_method_index (acfg, method);
5896 /* Sort relocations */
5897 patches = g_ptr_array_new ();
5898 for (patch_info = cfg->patch_info; patch_info; patch_info = patch_info->next)
5899 g_ptr_array_add (patches, patch_info);
5900 g_ptr_array_sort (patches, compare_patches);
5902 first_got_offset = acfg->cfgs [method_index]->got_offset;
5904 /**********************/
5905 /* Encode method info */
5906 /**********************/
5908 buf_size = (patches->len < 1000) ? 40960 : 40960 + (patches->len * 64);
5909 p = buf = (guint8 *)g_malloc (buf_size);
5911 if (mono_class_get_cctor (method->klass)) {
5912 encode_value (1, p, &p);
5913 encode_klass_ref (acfg, method->klass, p, &p);
5915 /* Not needed when loading the method */
5916 encode_value (0, p, &p);
5919 g_assert (!(cfg->opt & MONO_OPT_SHARED));
5922 for (pindex = 0; pindex < patches->len; ++pindex) {
5923 patch_info = (MonoJumpInfo *)g_ptr_array_index (patches, pindex);
5925 if ((patch_info->type == MONO_PATCH_INFO_GOT_OFFSET) ||
5926 (patch_info->type == MONO_PATCH_INFO_NONE)) {
5927 patch_info->type = MONO_PATCH_INFO_NONE;
5932 if ((patch_info->type == MONO_PATCH_INFO_IMAGE) && (patch_info->data.image == acfg->image)) {
5933 /* Stored in a GOT slot initialized at module load time */
5934 patch_info->type = MONO_PATCH_INFO_NONE;
5938 if (patch_info->type == MONO_PATCH_INFO_GC_CARD_TABLE_ADDR ||
5939 patch_info->type == MONO_PATCH_INFO_GC_NURSERY_START ||
5940 patch_info->type == MONO_PATCH_INFO_GC_NURSERY_BITS ||
5941 patch_info->type == MONO_PATCH_INFO_AOT_MODULE) {
5942 /* Stored in a GOT slot initialized at module load time */
5943 patch_info->type = MONO_PATCH_INFO_NONE;
5947 if (is_plt_patch (patch_info) && !(cfg->compile_llvm && acfg->aot_opts.llvm_only)) {
5948 /* Calls are made through the PLT */
5949 patch_info->type = MONO_PATCH_INFO_NONE;
5957 g_assert (cfg->has_got_slots);
5959 encode_patch_list (acfg, patches, n_patches, cfg->compile_llvm, first_got_offset, p, &p);
5961 g_ptr_array_free (patches, TRUE);
5963 acfg->stats.info_size += p - buf;
5965 g_assert (p - buf < buf_size);
5967 cfg->method_info_offset = add_to_blob (acfg, buf, p - buf);
5972 get_unwind_info_offset (MonoAotCompile *acfg, guint8 *encoded, guint32 encoded_len)
5974 guint32 cache_index;
5977 /* Reuse the unwind module to canonize and store unwind info entries */
5978 cache_index = mono_cache_unwind_info (encoded, encoded_len);
5980 /* Use +/- 1 to distinguish 0s from missing entries */
5981 offset = GPOINTER_TO_UINT (g_hash_table_lookup (acfg->unwind_info_offsets, GUINT_TO_POINTER (cache_index + 1)));
5989 * It would be easier to use assembler symbols, but the caller needs an
5992 offset = acfg->unwind_info_offset;
5993 g_hash_table_insert (acfg->unwind_info_offsets, GUINT_TO_POINTER (cache_index + 1), GUINT_TO_POINTER (offset + 1));
5994 g_ptr_array_add (acfg->unwind_ops, GUINT_TO_POINTER (cache_index));
5997 encode_value (encoded_len, p, &p);
5999 acfg->unwind_info_offset += encoded_len + (p - buf);
6005 emit_exception_debug_info (MonoAotCompile *acfg, MonoCompile *cfg, gboolean store_seq_points)
6008 guint32 debug_info_size, seq_points_size;
6010 MonoMethodHeader *header;
6011 guint8 *p, *buf, *debug_info;
6012 MonoJitInfo *jinfo = cfg->jit_info;
6014 gboolean use_unwind_ops = FALSE;
6015 MonoSeqPointInfo *seq_points;
6017 code = cfg->native_code;
6018 header = cfg->header;
6020 if (!acfg->aot_opts.nodebug) {
6021 mono_debug_serialize_debug_info (cfg, &debug_info, &debug_info_size);
6024 debug_info_size = 0;
6027 seq_points = cfg->seq_point_info;
6028 seq_points_size = (store_seq_points)? mono_seq_point_info_get_write_size (seq_points) : 0;
6030 buf_size = header->num_clauses * 256 + debug_info_size + 2048 + seq_points_size + cfg->gc_map_size;
6032 p = buf = (guint8 *)g_malloc (buf_size);
6034 use_unwind_ops = cfg->unwind_ops != NULL;
6036 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);
6038 encode_value (flags, p, &p);
6040 if (use_unwind_ops) {
6041 guint32 encoded_len;
6043 guint32 unwind_desc;
6045 encoded = mono_unwind_ops_encode (cfg->unwind_ops, &encoded_len);
6047 unwind_desc = get_unwind_info_offset (acfg, encoded, encoded_len);
6048 encode_value (unwind_desc, p, &p);
6052 encode_value (jinfo->unwind_info, p, &p);
6055 /*Encode the number of holes before the number of clauses to make decoding easier*/
6056 if (jinfo->has_try_block_holes) {
6057 MonoTryBlockHoleTableJitInfo *table = mono_jit_info_get_try_block_hole_table_info (jinfo);
6058 encode_value (table->num_holes, p, &p);
6061 if (jinfo->has_arch_eh_info) {
6063 * In AOT mode, the code length is calculated from the address of the previous method,
6064 * which could include alignment padding, so calculating the start of the epilog as
6065 * code_len - epilog_size is correct any more. Save the real code len as a workaround.
6067 encode_value (jinfo->code_size, p, &p);
6070 /* Exception table */
6071 if (cfg->compile_llvm) {
6073 * When using LLVM, we can't emit some data, like pc offsets, this reg/offset etc.,
6074 * since the information is only available to llc. Instead, we let llc save the data
6075 * into the LSDA, and read it from there at runtime.
6077 /* The assembly might be CIL stripped so emit the data ourselves */
6078 if (header->num_clauses)
6079 encode_value (header->num_clauses, p, &p);
6081 for (k = 0; k < header->num_clauses; ++k) {
6082 MonoExceptionClause *clause;
6084 clause = &header->clauses [k];
6086 encode_value (clause->flags, p, &p);
6087 if (clause->data.catch_class) {
6088 encode_value (1, p, &p);
6089 encode_klass_ref (acfg, clause->data.catch_class, p, &p);
6091 encode_value (0, p, &p);
6094 /* Emit the IL ranges too, since they might not be available at runtime */
6095 encode_value (clause->try_offset, p, &p);
6096 encode_value (clause->try_len, p, &p);
6097 encode_value (clause->handler_offset, p, &p);
6098 encode_value (clause->handler_len, p, &p);
6100 /* Emit a list of nesting clauses */
6101 for (i = 0; i < header->num_clauses; ++i) {
6103 MonoExceptionClause *clause1 = &header->clauses [cindex1];
6105 MonoExceptionClause *clause2 = &header->clauses [cindex2];
6107 if (cindex1 != cindex2 && clause1->try_offset >= clause2->try_offset && clause1->handler_offset <= clause2->handler_offset)
6108 encode_value (i, p, &p);
6110 encode_value (-1, p, &p);
6113 if (jinfo->num_clauses)
6114 encode_value (jinfo->num_clauses, p, &p);
6116 for (k = 0; k < jinfo->num_clauses; ++k) {
6117 MonoJitExceptionInfo *ei = &jinfo->clauses [k];
6119 encode_value (ei->flags, p, &p);
6120 #ifdef MONO_CONTEXT_SET_LLVM_EXC_REG
6121 /* Not used for catch clauses */
6122 if (ei->flags != MONO_EXCEPTION_CLAUSE_NONE)
6123 encode_value (ei->exvar_offset, p, &p);
6125 encode_value (ei->exvar_offset, p, &p);
6128 if (ei->flags == MONO_EXCEPTION_CLAUSE_FILTER || ei->flags == MONO_EXCEPTION_CLAUSE_FINALLY)
6129 encode_value ((gint)((guint8*)ei->data.filter - code), p, &p);
6131 if (ei->data.catch_class) {
6135 buf2 = (guint8 *)g_malloc (4096);
6137 encode_klass_ref (acfg, ei->data.catch_class, p2, &p2);
6139 g_assert (len < 4096);
6140 encode_value (len, p, &p);
6141 memcpy (p, buf2, len);
6145 encode_value (0, p, &p);
6149 encode_value ((gint)((guint8*)ei->try_start - code), p, &p);
6150 encode_value ((gint)((guint8*)ei->try_end - code), p, &p);
6151 encode_value ((gint)((guint8*)ei->handler_start - code), p, &p);
6155 if (jinfo->has_try_block_holes) {
6156 MonoTryBlockHoleTableJitInfo *table = mono_jit_info_get_try_block_hole_table_info (jinfo);
6157 for (i = 0; i < table->num_holes; ++i) {
6158 MonoTryBlockHoleJitInfo *hole = &table->holes [i];
6159 encode_value (hole->clause, p, &p);
6160 encode_value (hole->length, p, &p);
6161 encode_value (hole->offset, p, &p);
6165 if (jinfo->has_arch_eh_info) {
6166 MonoArchEHJitInfo *eh_info;
6168 eh_info = mono_jit_info_get_arch_eh_info (jinfo);
6169 encode_value (eh_info->stack_size, p, &p);
6170 encode_value (eh_info->epilog_size, p, &p);
6173 if (jinfo->has_generic_jit_info) {
6174 MonoGenericJitInfo *gi = mono_jit_info_get_generic_jit_info (jinfo);
6175 MonoGenericSharingContext* gsctx = gi->generic_sharing_context;
6179 encode_value (gi->nlocs, p, &p);
6181 for (i = 0; i < gi->nlocs; ++i) {
6182 MonoDwarfLocListEntry *entry = &gi->locations [i];
6184 encode_value (entry->is_reg ? 1 : 0, p, &p);
6185 encode_value (entry->reg, p, &p);
6187 encode_value (entry->offset, p, &p);
6189 g_assert (entry->from == 0);
6191 encode_value (entry->from, p, &p);
6192 encode_value (entry->to, p, &p);
6195 if (!cfg->compile_llvm) {
6196 encode_value (gi->has_this ? 1 : 0, p, &p);
6197 encode_value (gi->this_reg, p, &p);
6198 encode_value (gi->this_offset, p, &p);
6203 * Need to encode jinfo->method too, since it is not equal to 'method'
6204 * when using generic sharing.
6206 buf2 = (guint8 *)g_malloc (4096);
6208 encode_method_ref (acfg, jinfo->d.method, p2, &p2);
6210 g_assert (len < 4096);
6211 encode_value (len, p, &p);
6212 memcpy (p, buf2, len);
6216 if (gsctx && gsctx->is_gsharedvt) {
6217 encode_value (1, p, &p);
6219 encode_value (0, p, &p);
6223 if (seq_points_size)
6224 p += mono_seq_point_info_write (seq_points, p);
6226 g_assert (debug_info_size < buf_size);
6228 encode_value (debug_info_size, p, &p);
6229 if (debug_info_size) {
6230 memcpy (p, debug_info, debug_info_size);
6231 p += debug_info_size;
6232 g_free (debug_info);
6237 encode_value (cfg->gc_map_size, p, &p);
6238 /* The GC map requires 4 bytes of alignment */
6239 while ((gsize)p % 4)
6241 memcpy (p, cfg->gc_map, cfg->gc_map_size);
6242 p += cfg->gc_map_size;
6245 acfg->stats.ex_info_size += p - buf;
6247 g_assert (p - buf < buf_size);
6250 /* The GC Map requires 4 byte alignment */
6251 cfg->ex_info_offset = add_to_blob_aligned (acfg, buf, p - buf, cfg->gc_map ? 4 : 1);
6256 emit_klass_info (MonoAotCompile *acfg, guint32 token)
6259 MonoClass *klass = mono_class_get_checked (acfg->image, token, &error);
6261 int i, buf_size, res;
6262 gboolean no_special_static, cant_encode;
6263 gpointer iter = NULL;
6266 mono_error_cleanup (&error);
6270 p = buf = (guint8 *)g_malloc (buf_size);
6272 /* Mark as unusable */
6273 encode_value (-1, p, &p);
6275 res = add_to_blob (acfg, buf, p - buf);
6281 buf_size = 10240 + (klass->vtable_size * 16);
6282 p = buf = (guint8 *)g_malloc (buf_size);
6286 mono_class_init (klass);
6288 mono_class_get_nested_types (klass, &iter);
6289 g_assert (klass->nested_classes_inited);
6291 mono_class_setup_vtable (klass);
6294 * Emit all the information which is required for creating vtables so
6295 * the runtime does not need to create the MonoMethod structures which
6296 * take up a lot of space.
6299 no_special_static = !mono_class_has_special_static_fields (klass);
6301 /* Check whenever we have enough info to encode the vtable */
6302 cant_encode = FALSE;
6303 for (i = 0; i < klass->vtable_size; ++i) {
6304 MonoMethod *cm = klass->vtable [i];
6306 if (cm && mono_method_signature (cm)->is_inflated && !g_hash_table_lookup (acfg->token_info_hash, cm))
6310 mono_class_has_finalizer (klass);
6311 if (mono_class_has_failure (klass))
6314 if (mono_class_is_gtd (klass) || cant_encode) {
6315 encode_value (-1, p, &p);
6317 gboolean has_nested = mono_class_get_nested_classes_property (klass) != NULL;
6318 encode_value (klass->vtable_size, p, &p);
6319 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);
6320 if (klass->has_cctor)
6321 encode_method_ref (acfg, mono_class_get_cctor (klass), p, &p);
6322 if (klass->has_finalize)
6323 encode_method_ref (acfg, mono_class_get_finalizer (klass), p, &p);
6325 encode_value (klass->instance_size, p, &p);
6326 encode_value (mono_class_data_size (klass), p, &p);
6327 encode_value (klass->packing_size, p, &p);
6328 encode_value (klass->min_align, p, &p);
6330 for (i = 0; i < klass->vtable_size; ++i) {
6331 MonoMethod *cm = klass->vtable [i];
6334 encode_method_ref (acfg, cm, p, &p);
6336 encode_value (0, p, &p);
6340 acfg->stats.class_info_size += p - buf;
6342 g_assert (p - buf < buf_size);
6343 res = add_to_blob (acfg, buf, p - buf);
6350 get_plt_entry_debug_sym (MonoAotCompile *acfg, MonoJumpInfo *ji, GHashTable *cache)
6352 char *debug_sym = NULL;
6355 if (acfg->llvm && llvm_acfg->aot_opts.static_link) {
6356 /* Need to add a prefix to create unique symbols */
6357 prefix = g_strdup_printf ("plt_%s_", acfg->assembly_name_sym);
6359 #if defined(TARGET_WIN32) && defined(TARGET_X86)
6360 prefix = mangle_symbol_alloc ("plt_");
6362 prefix = g_strdup ("plt_");
6367 case MONO_PATCH_INFO_METHOD:
6368 debug_sym = get_debug_sym (ji->data.method, prefix, cache);
6370 case MONO_PATCH_INFO_INTERNAL_METHOD:
6371 debug_sym = g_strdup_printf ("%s_jit_icall_%s", prefix, ji->data.name);
6373 case MONO_PATCH_INFO_RGCTX_FETCH:
6374 debug_sym = g_strdup_printf ("%s_rgctx_fetch_%d", prefix, acfg->label_generator ++);
6376 case MONO_PATCH_INFO_ICALL_ADDR:
6377 case MONO_PATCH_INFO_ICALL_ADDR_CALL: {
6378 char *s = get_debug_sym (ji->data.method, "", cache);
6380 debug_sym = g_strdup_printf ("%s_icall_native_%s", prefix, s);
6384 case MONO_PATCH_INFO_JIT_ICALL_ADDR:
6385 debug_sym = g_strdup_printf ("%s_jit_icall_native_%s", prefix, ji->data.name);
6393 return sanitize_symbol (acfg, debug_sym);
6397 * Calls made from AOTed code are routed through a table of jumps similar to the
6398 * ELF PLT (Program Linkage Table). Initially the PLT entries jump to code which transfers
6399 * control to the AOT runtime through a trampoline.
6402 emit_plt (MonoAotCompile *acfg)
6406 if (acfg->aot_opts.llvm_only) {
6407 g_assert (acfg->plt_offset == 1);
6413 emit_section_change (acfg, ".text", 0);
6414 emit_alignment_code (acfg, 16);
6415 emit_info_symbol (acfg, "plt");
6416 emit_label (acfg, acfg->plt_symbol);
6418 for (i = 0; i < acfg->plt_offset; ++i) {
6419 char *debug_sym = NULL;
6420 MonoPltEntry *plt_entry = NULL;
6424 * The first plt entry is unused.
6428 plt_entry = (MonoPltEntry *)g_hash_table_lookup (acfg->plt_offset_to_entry, GUINT_TO_POINTER (i));
6430 debug_sym = plt_entry->debug_sym;
6432 if (acfg->thumb_mixed && !plt_entry->jit_used)
6433 /* Emit only a thumb version */
6436 /* Skip plt entries not actually called */
6437 if (!plt_entry->jit_used && !plt_entry->llvm_used)
6440 if (acfg->llvm && !acfg->thumb_mixed) {
6441 emit_label (acfg, plt_entry->llvm_symbol);
6443 emit_global_inner (acfg, plt_entry->llvm_symbol, TRUE);
6444 #if defined(TARGET_MACH)
6445 fprintf (acfg->fp, ".private_extern %s\n", plt_entry->llvm_symbol);
6451 if (acfg->need_no_dead_strip) {
6452 emit_unset_mode (acfg);
6453 fprintf (acfg->fp, " .no_dead_strip %s\n", debug_sym);
6455 emit_local_symbol (acfg, debug_sym, NULL, TRUE);
6456 emit_label (acfg, debug_sym);
6459 emit_label (acfg, plt_entry->symbol);
6461 arch_emit_plt_entry (acfg, acfg->got_symbol, (acfg->plt_got_offset_base + i) * sizeof (gpointer), acfg->plt_got_info_offsets [i]);
6464 emit_symbol_size (acfg, debug_sym, ".");
6467 if (acfg->thumb_mixed) {
6468 /* Make sure the ARM symbols don't alias the thumb ones */
6469 emit_zero_bytes (acfg, 16);
6472 * Emit a separate set of PLT entries using thumb2 which is called by LLVM generated
6475 for (i = 0; i < acfg->plt_offset; ++i) {
6476 char *debug_sym = NULL;
6477 MonoPltEntry *plt_entry = NULL;
6482 plt_entry = (MonoPltEntry *)g_hash_table_lookup (acfg->plt_offset_to_entry, GUINT_TO_POINTER (i));
6484 /* Skip plt entries not actually called by LLVM code */
6485 if (!plt_entry->llvm_used)
6488 if (acfg->aot_opts.write_symbols) {
6489 if (plt_entry->debug_sym)
6490 debug_sym = g_strdup_printf ("%s_thumb", plt_entry->debug_sym);
6494 #if defined(TARGET_MACH)
6495 fprintf (acfg->fp, " .thumb_func %s\n", debug_sym);
6496 fprintf (acfg->fp, " .no_dead_strip %s\n", debug_sym);
6498 emit_local_symbol (acfg, debug_sym, NULL, TRUE);
6499 emit_label (acfg, debug_sym);
6501 fprintf (acfg->fp, "\n.thumb_func\n");
6503 emit_label (acfg, plt_entry->llvm_symbol);
6506 emit_global_inner (acfg, plt_entry->llvm_symbol, TRUE);
6508 arch_emit_llvm_plt_entry (acfg, acfg->got_symbol, (acfg->plt_got_offset_base + i) * sizeof (gpointer), acfg->plt_got_info_offsets [i]);
6511 emit_symbol_size (acfg, debug_sym, ".");
6517 emit_symbol_size (acfg, acfg->plt_symbol, ".");
6519 emit_info_symbol (acfg, "plt_end");
6523 * emit_trampoline_full:
6525 * If EMIT_TINFO is TRUE, emit additional information which can be used to create a MonoJitInfo for this trampoline by
6526 * create_jit_info_for_trampoline ().
6528 static G_GNUC_UNUSED void
6529 emit_trampoline_full (MonoAotCompile *acfg, int got_offset, MonoTrampInfo *info, gboolean emit_tinfo)
6531 char start_symbol [MAX_SYMBOL_SIZE];
6532 char end_symbol [MAX_SYMBOL_SIZE];
6533 char symbol [MAX_SYMBOL_SIZE];
6534 guint32 buf_size, info_offset;
6535 MonoJumpInfo *patch_info;
6548 code_size = info->code_size;
6550 unwind_ops = info->unwind_ops;
6554 sprintf (start_symbol, "%s%s", acfg->user_symbol_prefix, name);
6556 emit_section_change (acfg, ".text", 0);
6557 emit_global (acfg, start_symbol, TRUE);
6558 emit_alignment_code (acfg, AOT_FUNC_ALIGNMENT);
6559 emit_label (acfg, start_symbol);
6561 sprintf (symbol, "%snamed_%s", acfg->temp_prefix, name);
6562 emit_label (acfg, symbol);
6565 * The code should access everything through the GOT, so we pass
6568 emit_and_reloc_code (acfg, NULL, code, code_size, ji, TRUE, NULL);
6570 emit_symbol_size (acfg, start_symbol, ".");
6573 sprintf (end_symbol, "%snamede_%s", acfg->temp_prefix, name);
6574 emit_label (acfg, end_symbol);
6579 /* Sort relocations */
6580 patches = g_ptr_array_new ();
6581 for (patch_info = ji; patch_info; patch_info = patch_info->next)
6582 if (patch_info->type != MONO_PATCH_INFO_NONE)
6583 g_ptr_array_add (patches, patch_info);
6584 g_ptr_array_sort (patches, compare_patches);
6586 buf_size = patches->len * 128 + 128;
6587 buf = (guint8 *)g_malloc (buf_size);
6590 encode_patch_list (acfg, patches, patches->len, FALSE, got_offset, p, &p);
6591 g_assert (p - buf < buf_size);
6592 g_ptr_array_free (patches, TRUE);
6594 sprintf (symbol, "%s%s_p", acfg->user_symbol_prefix, name);
6596 info_offset = add_to_blob (acfg, buf, p - buf);
6598 emit_section_change (acfg, RODATA_SECT, 0);
6599 emit_global (acfg, symbol, FALSE);
6600 emit_label (acfg, symbol);
6602 emit_int32 (acfg, info_offset);
6606 guint32 encoded_len;
6610 * Emit additional information which can be used to reconstruct a partial MonoTrampInfo.
6612 encoded = mono_unwind_ops_encode (info->unwind_ops, &encoded_len);
6613 uw_offset = get_unwind_info_offset (acfg, encoded, encoded_len);
6616 emit_symbol_diff (acfg, end_symbol, start_symbol, 0);
6617 emit_int32 (acfg, uw_offset);
6620 /* Emit debug info */
6622 char symbol2 [MAX_SYMBOL_SIZE];
6624 sprintf (symbol, "%s", name);
6625 sprintf (symbol2, "%snamed_%s", acfg->temp_prefix, name);
6628 mono_dwarf_writer_emit_trampoline (acfg->dwarf, symbol, symbol2, NULL, NULL, code_size, unwind_ops);
6634 static G_GNUC_UNUSED void
6635 emit_trampoline (MonoAotCompile *acfg, int got_offset, MonoTrampInfo *info)
6637 emit_trampoline_full (acfg, got_offset, info, TRUE);
6641 emit_trampolines (MonoAotCompile *acfg)
6643 char symbol [MAX_SYMBOL_SIZE];
6644 char end_symbol [MAX_SYMBOL_SIZE];
6645 int i, tramp_got_offset;
6647 #ifdef MONO_ARCH_HAVE_FULL_AOT_TRAMPOLINES
6651 if (!mono_aot_mode_is_full (&acfg->aot_opts) || acfg->aot_opts.llvm_only)
6654 g_assert (acfg->image->assembly);
6656 /* Currently, we emit most trampolines into the mscorlib AOT image. */
6657 if (strcmp (acfg->image->assembly->aname.name, "mscorlib") == 0) {
6658 #ifdef MONO_ARCH_HAVE_FULL_AOT_TRAMPOLINES
6659 MonoTrampInfo *info;
6662 * Emit the generic trampolines.
6664 * We could save some code by treating the generic trampolines as a wrapper
6665 * method, but that approach has its own complexities, so we choose the simpler
6668 for (tramp_type = 0; tramp_type < MONO_TRAMPOLINE_NUM; ++tramp_type) {
6669 /* we overload the boolean here to indicate the slightly different trampoline needed, see mono_arch_create_generic_trampoline() */
6670 #ifdef DISABLE_REMOTING
6671 if (tramp_type == MONO_TRAMPOLINE_GENERIC_VIRTUAL_REMOTING)
6674 #ifndef MONO_ARCH_HAVE_HANDLER_BLOCK_GUARD
6675 if (tramp_type == MONO_TRAMPOLINE_HANDLER_BLOCK_GUARD)
6678 mono_arch_create_generic_trampoline ((MonoTrampolineType)tramp_type, &info, acfg->aot_opts.use_trampolines_page? 2: TRUE);
6679 emit_trampoline (acfg, acfg->got_offset, info);
6682 /* Emit the exception related code pieces */
6683 mono_arch_get_restore_context (&info, TRUE);
6684 emit_trampoline (acfg, acfg->got_offset, info);
6685 mono_arch_get_call_filter (&info, TRUE);
6686 emit_trampoline (acfg, acfg->got_offset, info);
6687 mono_arch_get_throw_exception (&info, TRUE);
6688 emit_trampoline (acfg, acfg->got_offset, info);
6689 mono_arch_get_rethrow_exception (&info, TRUE);
6690 emit_trampoline (acfg, acfg->got_offset, info);
6691 mono_arch_get_throw_corlib_exception (&info, TRUE);
6692 emit_trampoline (acfg, acfg->got_offset, info);
6694 #ifdef MONO_ARCH_HAVE_SDB_TRAMPOLINES
6695 mono_arch_create_sdb_trampoline (TRUE, &info, TRUE);
6696 emit_trampoline (acfg, acfg->got_offset, info);
6697 mono_arch_create_sdb_trampoline (FALSE, &info, TRUE);
6698 emit_trampoline (acfg, acfg->got_offset, info);
6701 #ifdef MONO_ARCH_GSHAREDVT_SUPPORTED
6702 mono_arch_get_gsharedvt_trampoline (&info, TRUE);
6704 emit_trampoline_full (acfg, acfg->got_offset, info, TRUE);
6706 /* Create a separate out trampoline for more information in stack traces */
6707 info->name = g_strdup ("gsharedvt_out_trampoline");
6708 emit_trampoline_full (acfg, acfg->got_offset, info, TRUE);
6712 #if defined(MONO_ARCH_HAVE_GET_TRAMPOLINES)
6714 GSList *l = mono_arch_get_trampolines (TRUE);
6717 MonoTrampInfo *info = (MonoTrampInfo *)l->data;
6719 emit_trampoline (acfg, acfg->got_offset, info);
6725 for (i = 0; i < acfg->aot_opts.nrgctx_fetch_trampolines; ++i) {
6728 offset = MONO_RGCTX_SLOT_MAKE_RGCTX (i);
6729 mono_arch_create_rgctx_lazy_fetch_trampoline (offset, &info, TRUE);
6730 emit_trampoline (acfg, acfg->got_offset, info);
6733 offset = MONO_RGCTX_SLOT_MAKE_MRGCTX (i);
6734 mono_arch_create_rgctx_lazy_fetch_trampoline (offset, &info, TRUE);
6735 emit_trampoline (acfg, acfg->got_offset, info);
6739 #ifdef MONO_ARCH_HAVE_GENERAL_RGCTX_LAZY_FETCH_TRAMPOLINE
6740 mono_arch_create_general_rgctx_lazy_fetch_trampoline (&info, TRUE);
6741 emit_trampoline (acfg, acfg->got_offset, info);
6747 /* delegate_invoke_impl trampolines */
6748 l = mono_arch_get_delegate_invoke_impls ();
6750 MonoTrampInfo *info = (MonoTrampInfo *)l->data;
6752 emit_trampoline (acfg, acfg->got_offset, info);
6757 #ifdef MONO_ARCH_HAVE_HANDLER_BLOCK_GUARD_AOT
6758 mono_arch_create_handler_block_trampoline (&info, TRUE);
6759 emit_trampoline (acfg, acfg->got_offset, info);
6762 #endif /* #ifdef MONO_ARCH_HAVE_FULL_AOT_TRAMPOLINES */
6764 /* Emit trampolines which are numerous */
6767 * These include the following:
6768 * - specific trampolines
6769 * - static rgctx invoke trampolines
6771 * These trampolines have the same code, they are parameterized by GOT
6773 * They are defined in this file, in the arch_... routines instead of
6774 * in tramp-<ARCH>.c, since it is easier to do it this way.
6778 * When running in aot-only mode, we can't create specific trampolines at
6779 * runtime, so we create a few, and save them in the AOT file.
6780 * Normal trampolines embed their argument as a literal inside the
6781 * trampoline code, we can't do that here, so instead we embed an offset
6782 * which needs to be added to the trampoline address to get the address of
6783 * the GOT slot which contains the argument value.
6784 * The generated trampolines jump to the generic trampolines using another
6785 * GOT slot, which will be setup by the AOT loader to point to the
6786 * generic trampoline code of the given type.
6790 * FIXME: Maybe we should use more specific trampolines (i.e. one class init for
6794 emit_section_change (acfg, ".text", 0);
6796 tramp_got_offset = acfg->got_offset;
6798 for (ntype = 0; ntype < MONO_AOT_TRAMP_NUM; ++ntype) {
6800 case MONO_AOT_TRAMP_SPECIFIC:
6801 sprintf (symbol, "specific_trampolines");
6803 case MONO_AOT_TRAMP_STATIC_RGCTX:
6804 sprintf (symbol, "static_rgctx_trampolines");
6806 case MONO_AOT_TRAMP_IMT:
6807 sprintf (symbol, "imt_trampolines");
6809 case MONO_AOT_TRAMP_GSHAREDVT_ARG:
6810 sprintf (symbol, "gsharedvt_arg_trampolines");
6813 g_assert_not_reached ();
6816 sprintf (end_symbol, "%s_e", symbol);
6818 if (acfg->aot_opts.write_symbols)
6819 emit_local_symbol (acfg, symbol, end_symbol, TRUE);
6821 emit_alignment_code (acfg, AOT_FUNC_ALIGNMENT);
6822 emit_info_symbol (acfg, symbol);
6824 acfg->trampoline_got_offset_base [ntype] = tramp_got_offset;
6826 for (i = 0; i < acfg->num_trampolines [ntype]; ++i) {
6830 case MONO_AOT_TRAMP_SPECIFIC:
6831 arch_emit_specific_trampoline (acfg, tramp_got_offset, &tramp_size);
6832 tramp_got_offset += 2;
6834 case MONO_AOT_TRAMP_STATIC_RGCTX:
6835 arch_emit_static_rgctx_trampoline (acfg, tramp_got_offset, &tramp_size);
6836 tramp_got_offset += 2;
6838 case MONO_AOT_TRAMP_IMT:
6839 arch_emit_imt_trampoline (acfg, tramp_got_offset, &tramp_size);
6840 tramp_got_offset += 1;
6842 case MONO_AOT_TRAMP_GSHAREDVT_ARG:
6843 arch_emit_gsharedvt_arg_trampoline (acfg, tramp_got_offset, &tramp_size);
6844 tramp_got_offset += 2;
6847 g_assert_not_reached ();
6849 if (!acfg->trampoline_size [ntype]) {
6850 g_assert (tramp_size);
6851 acfg->trampoline_size [ntype] = tramp_size;
6855 emit_label (acfg, end_symbol);
6856 emit_int32 (acfg, 0);
6859 arch_emit_specific_trampoline_pages (acfg);
6861 /* Reserve some entries at the end of the GOT for our use */
6862 acfg->num_trampoline_got_entries = tramp_got_offset - acfg->got_offset;
6865 acfg->got_offset += acfg->num_trampoline_got_entries;
6869 str_begins_with (const char *str1, const char *str2)
6871 int len = strlen (str2);
6872 return strncmp (str1, str2, len) == 0;
6876 mono_aot_readonly_field_override (MonoClassField *field)
6879 for (rdv = readonly_values; rdv; rdv = rdv->next) {
6880 char *p = rdv->name;
6882 len = strlen (field->parent->name_space);
6883 if (strncmp (p, field->parent->name_space, len))
6888 len = strlen (field->parent->name);
6889 if (strncmp (p, field->parent->name, len))
6894 if (strcmp (p, field->name))
6896 switch (rdv->type) {
6898 return &rdv->value.i1;
6900 return &rdv->value.i2;
6902 return &rdv->value.i4;
6911 add_readonly_value (MonoAotOptions *opts, const char *val)
6916 /* the format of val is:
6917 * namespace.typename.fieldname=type/value
6918 * type can be i1 for uint8/int8/boolean, i2 for uint16/int16/char, i4 for uint32/int32
6920 fval = strrchr (val, '/');
6922 fprintf (stderr, "AOT : invalid format for readonly field '%s', missing /.\n", val);
6925 tval = strrchr (val, '=');
6927 fprintf (stderr, "AOT : invalid format for readonly field '%s', missing =.\n", val);
6930 rdv = g_new0 (ReadOnlyValue, 1);
6931 rdv->name = (char *)g_malloc0 (tval - val + 1);
6932 memcpy (rdv->name, val, tval - val);
6935 if (strncmp (tval, "i1", 2) == 0) {
6936 rdv->value.i1 = atoi (fval);
6937 rdv->type = MONO_TYPE_I1;
6938 } else if (strncmp (tval, "i2", 2) == 0) {
6939 rdv->value.i2 = atoi (fval);
6940 rdv->type = MONO_TYPE_I2;
6941 } else if (strncmp (tval, "i4", 2) == 0) {
6942 rdv->value.i4 = atoi (fval);
6943 rdv->type = MONO_TYPE_I4;
6945 fprintf (stderr, "AOT : unsupported type for readonly field '%s'.\n", tval);
6948 rdv->next = readonly_values;
6949 readonly_values = rdv;
6953 clean_path (gchar * path)
6958 if (g_str_has_suffix (path, G_DIR_SEPARATOR_S))
6961 gchar *clean = g_strconcat (path, G_DIR_SEPARATOR_S, NULL);
6968 wrap_path (gchar * path)
6974 // If the string contains no spaces, just return the original string.
6975 if (strstr (path, " ") == NULL)
6978 // If the string is already wrapped in quotes, return it.
6979 len = strlen (path);
6980 if (len >= 2 && path[0] == '\"' && path[len-1] == '\"')
6983 // If the string contains spaces, then wrap it in quotes.
6984 gchar *clean = g_strdup_printf ("\"%s\"", path);
6989 // Duplicate a char range and add it to a ptrarray, but only if it is nonempty
6991 ptr_array_add_range_if_nonempty(GPtrArray *args, gchar const *start, gchar const *end)
6993 ptrdiff_t len = end-start;
6995 g_ptr_array_add (args, g_strndup (start, len));
6999 mono_aot_split_options (const char *aot_options)
7001 enum MonoAotOptionState {
7002 MONO_AOT_OPTION_STATE_DEFAULT,
7003 MONO_AOT_OPTION_STATE_STRING,
7004 MONO_AOT_OPTION_STATE_ESCAPE,
7007 GPtrArray *args = g_ptr_array_new ();
7008 enum MonoAotOptionState state = MONO_AOT_OPTION_STATE_DEFAULT;
7009 gchar const *opt_start = aot_options;
7010 gboolean end_of_string = FALSE;
7013 g_return_val_if_fail (aot_options != NULL, NULL);
7015 while ((cur = *aot_options) != '\0') {
7016 if (state == MONO_AOT_OPTION_STATE_ESCAPE)
7021 // If we find a quote, then if we're in the default case then
7022 // it means we've found the start of a string, if not then it
7023 // means we've found the end of the string and should switch
7024 // back to the default case.
7026 case MONO_AOT_OPTION_STATE_DEFAULT:
7027 state = MONO_AOT_OPTION_STATE_STRING;
7029 case MONO_AOT_OPTION_STATE_STRING:
7030 state = MONO_AOT_OPTION_STATE_DEFAULT;
7032 case MONO_AOT_OPTION_STATE_ESCAPE:
7033 g_assert_not_reached ();
7038 // If we've found an escaping operator, then this means we
7039 // should not process the next character if inside a string.
7040 if (state == MONO_AOT_OPTION_STATE_STRING)
7041 state = MONO_AOT_OPTION_STATE_ESCAPE;
7044 // If we're in the default state then this means we've found
7045 // an option, store it for later processing.
7046 if (state == MONO_AOT_OPTION_STATE_DEFAULT)
7054 // If the next character is end of string, then process the last option.
7055 if (*(aot_options) == '\0') {
7056 end_of_string = TRUE;
7062 ptr_array_add_range_if_nonempty (args, opt_start, aot_options);
7063 opt_start = ++aot_options;
7066 goto restart; // Check for null and continue loop
7073 mono_aot_parse_options (const char *aot_options, MonoAotOptions *opts)
7077 args = mono_aot_split_options (aot_options ? aot_options : "");
7078 for (int i = 0; i < args->len; ++i) {
7079 const char *arg = (const char *)g_ptr_array_index (args, i);
7081 if (str_begins_with (arg, "outfile=")) {
7082 opts->outfile = g_strdup (arg + strlen ("outfile="));
7083 } else if (str_begins_with (arg, "llvm-outfile=")) {
7084 opts->llvm_outfile = g_strdup (arg + strlen ("llvm-outfile="));
7085 } else if (str_begins_with (arg, "temp-path=")) {
7086 opts->temp_path = clean_path (g_strdup (arg + strlen ("temp-path=")));
7087 } else if (str_begins_with (arg, "save-temps")) {
7088 opts->save_temps = TRUE;
7089 } else if (str_begins_with (arg, "keep-temps")) {
7090 opts->save_temps = TRUE;
7091 } else if (str_begins_with (arg, "write-symbols")) {
7092 opts->write_symbols = TRUE;
7093 } else if (str_begins_with (arg, "no-write-symbols")) {
7094 opts->write_symbols = FALSE;
7095 } else if (str_begins_with (arg, "metadata-only")) {
7096 opts->metadata_only = TRUE;
7097 } else if (str_begins_with (arg, "bind-to-runtime-version")) {
7098 opts->bind_to_runtime_version = TRUE;
7099 } else if (str_begins_with (arg, "full")) {
7100 opts->mode = MONO_AOT_MODE_FULL;
7101 } else if (str_begins_with (arg, "hybrid")) {
7102 opts->mode = MONO_AOT_MODE_HYBRID;
7103 } else if (str_begins_with (arg, "threads=")) {
7104 opts->nthreads = atoi (arg + strlen ("threads="));
7105 } else if (str_begins_with (arg, "static")) {
7106 opts->static_link = TRUE;
7107 opts->no_dlsym = TRUE;
7108 } else if (str_begins_with (arg, "asmonly")) {
7109 opts->asm_only = TRUE;
7110 } else if (str_begins_with (arg, "asmwriter")) {
7111 opts->asm_writer = TRUE;
7112 } else if (str_begins_with (arg, "nodebug")) {
7113 opts->nodebug = TRUE;
7114 } else if (str_begins_with (arg, "dwarfdebug")) {
7115 opts->dwarf_debug = TRUE;
7116 } else if (str_begins_with (arg, "nopagetrampolines")) {
7117 opts->use_trampolines_page = FALSE;
7118 } else if (str_begins_with (arg, "ntrampolines=")) {
7119 opts->ntrampolines = atoi (arg + strlen ("ntrampolines="));
7120 } else if (str_begins_with (arg, "nrgctx-trampolines=")) {
7121 opts->nrgctx_trampolines = atoi (arg + strlen ("nrgctx-trampolines="));
7122 } else if (str_begins_with (arg, "nrgctx-fetch-trampolines=")) {
7123 opts->nrgctx_fetch_trampolines = atoi (arg + strlen ("nrgctx-fetch-trampolines="));
7124 } else if (str_begins_with (arg, "nimt-trampolines=")) {
7125 opts->nimt_trampolines = atoi (arg + strlen ("nimt-trampolines="));
7126 } else if (str_begins_with (arg, "ngsharedvt-trampolines=")) {
7127 opts->ngsharedvt_arg_trampolines = atoi (arg + strlen ("ngsharedvt-trampolines="));
7128 } else if (str_begins_with (arg, "tool-prefix=")) {
7129 opts->tool_prefix = g_strdup (arg + strlen ("tool-prefix="));
7130 } else if (str_begins_with (arg, "ld-flags=")) {
7131 opts->ld_flags = g_strdup (arg + strlen ("ld-flags="));
7132 } else if (str_begins_with (arg, "soft-debug")) {
7133 opts->soft_debug = TRUE;
7134 } else if (str_begins_with (arg, "gen-seq-points-file=")) {
7135 fprintf (stderr, "Mono Warning: aot option gen-seq-points-file= is deprecated.\n");
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, "msym-dir=")) {
7139 debug_options.no_seq_points_compact_data = FALSE;
7140 opts->gen_msym_dir = TRUE;
7141 opts->gen_msym_dir_path = g_strdup (arg + strlen ("msym_dir="));;
7142 } else if (str_begins_with (arg, "direct-pinvoke")) {
7143 opts->direct_pinvoke = TRUE;
7144 } else if (str_begins_with (arg, "direct-icalls")) {
7145 opts->direct_icalls = TRUE;
7146 } else if (str_begins_with (arg, "no-direct-calls")) {
7147 opts->no_direct_calls = TRUE;
7148 } else if (str_begins_with (arg, "print-skipped")) {
7149 opts->print_skipped_methods = TRUE;
7150 } else if (str_begins_with (arg, "stats")) {
7152 } else if (str_begins_with (arg, "no-instances")) {
7153 opts->no_instances = TRUE;
7154 } else if (str_begins_with (arg, "log-generics")) {
7155 opts->log_generics = TRUE;
7156 } else if (str_begins_with (arg, "log-instances=")) {
7157 opts->log_instances = TRUE;
7158 opts->instances_logfile_path = g_strdup (arg + strlen ("log-instances="));
7159 } else if (str_begins_with (arg, "log-instances")) {
7160 opts->log_instances = TRUE;
7161 } else if (str_begins_with (arg, "internal-logfile=")) {
7162 opts->logfile = g_strdup (arg + strlen ("internal-logfile="));
7163 } else if (str_begins_with (arg, "mtriple=")) {
7164 opts->mtriple = g_strdup (arg + strlen ("mtriple="));
7165 } else if (str_begins_with (arg, "llvm-path=")) {
7166 opts->llvm_path = clean_path (g_strdup (arg + strlen ("llvm-path=")));
7167 } else if (!strcmp (arg, "llvm")) {
7169 } else if (str_begins_with (arg, "readonly-value=")) {
7170 add_readonly_value (opts, arg + strlen ("readonly-value="));
7171 } else if (str_begins_with (arg, "info")) {
7172 printf ("AOT target setup: %s.\n", AOT_TARGET_STR);
7174 } else if (str_begins_with (arg, "gc-maps")) {
7175 mini_gc_enable_gc_maps_for_aot ();
7176 } else if (str_begins_with (arg, "dump")) {
7177 opts->dump_json = TRUE;
7178 } else if (str_begins_with (arg, "llvmonly")) {
7179 opts->mode = MONO_AOT_MODE_FULL;
7181 opts->llvm_only = TRUE;
7182 } else if (str_begins_with (arg, "data-outfile=")) {
7183 opts->data_outfile = g_strdup (arg + strlen ("data-outfile="));
7184 } else if (str_begins_with (arg, "help") || str_begins_with (arg, "?")) {
7185 printf ("Supported options for --aot:\n");
7186 printf (" outfile=\n");
7187 printf (" llvm-outfile=\n");
7188 printf (" llvm-path=\n");
7189 printf (" temp-path=\n");
7190 printf (" save-temps\n");
7191 printf (" keep-temps\n");
7192 printf (" write-symbols\n");
7193 printf (" metadata-only\n");
7194 printf (" bind-to-runtime-version\n");
7196 printf (" threads=\n");
7197 printf (" static\n");
7198 printf (" asmonly\n");
7199 printf (" asmwriter\n");
7200 printf (" nodebug\n");
7201 printf (" dwarfdebug\n");
7202 printf (" ntrampolines=\n");
7203 printf (" nrgctx-trampolines=\n");
7204 printf (" nimt-trampolines=\n");
7205 printf (" ngsharedvt-trampolines=\n");
7206 printf (" tool-prefix=\n");
7207 printf (" readonly-value=\n");
7208 printf (" soft-debug\n");
7209 printf (" msym-dir=\n");
7210 printf (" gc-maps\n");
7211 printf (" print-skipped\n");
7212 printf (" no-instances\n");
7213 printf (" stats\n");
7216 printf (" help/?\n");
7219 fprintf (stderr, "AOT : Unknown argument '%s'.\n", arg);
7223 g_free ((gpointer) arg);
7226 if (opts->use_trampolines_page) {
7227 opts->ntrampolines = 0;
7228 opts->nrgctx_trampolines = 0;
7229 opts->nimt_trampolines = 0;
7230 opts->ngsharedvt_arg_trampolines = 0;
7233 g_ptr_array_free (args, /*free_seg=*/TRUE);
7237 add_token_info_hash (gpointer key, gpointer value, gpointer user_data)
7239 MonoMethod *method = (MonoMethod*)key;
7240 MonoJumpInfoToken *ji = (MonoJumpInfoToken*)value;
7241 MonoAotCompile *acfg = (MonoAotCompile *)user_data;
7242 MonoJumpInfoToken *new_ji;
7244 new_ji = (MonoJumpInfoToken *)mono_mempool_alloc0 (acfg->mempool, sizeof (MonoJumpInfoToken));
7245 new_ji->image = ji->image;
7246 new_ji->token = ji->token;
7247 g_hash_table_insert (acfg->token_info_hash, method, new_ji);
7251 can_encode_class (MonoAotCompile *acfg, MonoClass *klass)
7253 if (klass->type_token)
7255 if ((klass->byval_arg.type == MONO_TYPE_VAR) || (klass->byval_arg.type == MONO_TYPE_MVAR) || (klass->byval_arg.type == MONO_TYPE_PTR))
7258 return can_encode_class (acfg, klass->element_class);
7263 can_encode_method (MonoAotCompile *acfg, MonoMethod *method)
7265 if (method->wrapper_type) {
7266 switch (method->wrapper_type) {
7267 case MONO_WRAPPER_NONE:
7268 case MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK:
7269 case MONO_WRAPPER_XDOMAIN_INVOKE:
7270 case MONO_WRAPPER_STFLD:
7271 case MONO_WRAPPER_LDFLD:
7272 case MONO_WRAPPER_LDFLDA:
7273 case MONO_WRAPPER_STELEMREF:
7274 case MONO_WRAPPER_PROXY_ISINST:
7275 case MONO_WRAPPER_ALLOC:
7276 case MONO_WRAPPER_REMOTING_INVOKE:
7277 case MONO_WRAPPER_UNKNOWN:
7278 case MONO_WRAPPER_WRITE_BARRIER:
7279 case MONO_WRAPPER_DELEGATE_INVOKE:
7280 case MONO_WRAPPER_DELEGATE_BEGIN_INVOKE:
7281 case MONO_WRAPPER_DELEGATE_END_INVOKE:
7282 case MONO_WRAPPER_SYNCHRONIZED:
7284 case MONO_WRAPPER_MANAGED_TO_MANAGED:
7285 case MONO_WRAPPER_CASTCLASS: {
7286 WrapperInfo *info = mono_marshal_get_wrapper_info (method);
7295 //printf ("Skip (wrapper call): %d -> %s\n", patch_info->type, mono_method_full_name (patch_info->data.method, TRUE));
7299 if (!method->token) {
7300 /* The method is part of a constructed type like Int[,].Set (). */
7301 if (!g_hash_table_lookup (acfg->token_info_hash, method)) {
7302 if (method->klass->rank)
7312 can_encode_patch (MonoAotCompile *acfg, MonoJumpInfo *patch_info)
7314 switch (patch_info->type) {
7315 case MONO_PATCH_INFO_METHOD:
7316 case MONO_PATCH_INFO_METHODCONST:
7317 case MONO_PATCH_INFO_METHOD_CODE_SLOT: {
7318 MonoMethod *method = patch_info->data.method;
7320 return can_encode_method (acfg, method);
7322 case MONO_PATCH_INFO_VTABLE:
7323 case MONO_PATCH_INFO_CLASS:
7324 case MONO_PATCH_INFO_IID:
7325 case MONO_PATCH_INFO_ADJUSTED_IID:
7326 if (!can_encode_class (acfg, patch_info->data.klass)) {
7327 //printf ("Skip: %s\n", mono_type_full_name (&patch_info->data.klass->byval_arg));
7331 case MONO_PATCH_INFO_DELEGATE_TRAMPOLINE: {
7332 if (!can_encode_class (acfg, patch_info->data.del_tramp->klass)) {
7333 //printf ("Skip: %s\n", mono_type_full_name (&patch_info->data.klass->byval_arg));
7338 case MONO_PATCH_INFO_RGCTX_FETCH:
7339 case MONO_PATCH_INFO_RGCTX_SLOT_INDEX: {
7340 MonoJumpInfoRgctxEntry *entry = patch_info->data.rgctx_entry;
7342 if (!can_encode_method (acfg, entry->method))
7344 if (!can_encode_patch (acfg, entry->data))
7356 is_concrete_type (MonoType *t)
7361 if (t->type == MONO_TYPE_VAR || t->type == MONO_TYPE_MVAR)
7363 if (t->type == MONO_TYPE_GENERICINST) {
7364 MonoGenericContext *orig_ctx;
7365 MonoGenericInst *inst;
7368 if (!MONO_TYPE_ISSTRUCT (t))
7370 klass = mono_class_from_mono_type (t);
7371 orig_ctx = &mono_class_get_generic_class (klass)->context;
7373 inst = orig_ctx->class_inst;
7375 for (i = 0; i < inst->type_argc; ++i) {
7376 arg = mini_get_underlying_type (inst->type_argv [i]);
7377 if (!is_concrete_type (arg))
7381 inst = orig_ctx->method_inst;
7383 for (i = 0; i < inst->type_argc; ++i) {
7384 arg = mini_get_underlying_type (inst->type_argv [i]);
7385 if (!is_concrete_type (arg))
7393 /* LOCKING: Assumes the loader lock is held */
7395 add_gsharedvt_wrappers (MonoAotCompile *acfg, MonoMethodSignature *sig, gboolean gsharedvt_in, gboolean gsharedvt_out)
7397 MonoMethod *wrapper;
7398 gboolean concrete = TRUE;
7399 gboolean add_in = gsharedvt_in;
7400 gboolean add_out = gsharedvt_out;
7402 if (gsharedvt_in && g_hash_table_lookup (acfg->gsharedvt_in_signatures, sig))
7404 if (gsharedvt_out && g_hash_table_lookup (acfg->gsharedvt_out_signatures, sig))
7407 if (!add_in && !add_out)
7410 if (mini_is_gsharedvt_variable_signature (sig))
7414 g_hash_table_insert (acfg->gsharedvt_in_signatures, sig, sig);
7416 g_hash_table_insert (acfg->gsharedvt_out_signatures, sig, sig);
7418 if (!sig->has_type_parameters) {
7419 //printf ("%s\n", mono_signature_full_name (sig));
7422 wrapper = mini_get_gsharedvt_in_sig_wrapper (sig);
7423 add_extra_method (acfg, wrapper);
7425 if (gsharedvt_out) {
7426 wrapper = mini_get_gsharedvt_out_sig_wrapper (sig);
7427 add_extra_method (acfg, wrapper);
7430 /* For signatures creared during generic sharing, convert them to a concrete signature if possible */
7431 MonoMethodSignature *copy = mono_metadata_signature_dup (sig);
7434 //printf ("%s\n", mono_signature_full_name (sig));
7436 copy->ret = mini_get_underlying_type (sig->ret);
7437 if (!is_concrete_type (copy->ret))
7439 for (i = 0; i < sig->param_count; ++i) {
7440 copy->params [i] = mini_get_underlying_type (sig->params [i]);
7441 if (!is_concrete_type (copy->params [i]))
7445 copy->has_type_parameters = 0;
7448 wrapper = mini_get_gsharedvt_in_sig_wrapper (copy);
7449 add_extra_method (acfg, wrapper);
7452 if (gsharedvt_out) {
7453 wrapper = mini_get_gsharedvt_out_sig_wrapper (copy);
7454 add_extra_method (acfg, wrapper);
7457 //printf ("%s\n", mono_method_full_name (wrapper, 1));
7465 * AOT compile a given method.
7466 * This function might be called by multiple threads, so it must be thread-safe.
7469 compile_method (MonoAotCompile *acfg, MonoMethod *method)
7472 MonoJumpInfo *patch_info;
7475 MonoMethod *wrapped;
7479 if (acfg->aot_opts.metadata_only)
7482 mono_acfg_lock (acfg);
7483 index = get_method_index (acfg, method);
7484 mono_acfg_unlock (acfg);
7486 /* fixme: maybe we can also precompile wrapper methods */
7487 if ((method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL) ||
7488 (method->iflags & METHOD_IMPL_ATTRIBUTE_RUNTIME) ||
7489 (method->flags & METHOD_ATTRIBUTE_ABSTRACT)) {
7490 //printf ("Skip (impossible): %s\n", mono_method_full_name (method, TRUE));
7494 if (method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL)
7497 wrapped = mono_marshal_method_from_wrapper (method);
7498 if (wrapped && (wrapped->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) && wrapped->is_generic)
7499 // FIXME: The wrapper should be generic too, but it is not
7502 if (method->wrapper_type == MONO_WRAPPER_COMINTEROP)
7505 InterlockedIncrement (&acfg->stats.mcount);
7508 if (method->is_generic || mono_class_is_gtd (method->klass)) {
7509 InterlockedIncrement (&acfg->stats.genericcount);
7514 //acfg->aot_opts.print_skipped_methods = TRUE;
7517 * Since these methods are the only ones which are compiled with
7518 * AOT support, and they are not used by runtime startup/shutdown code,
7519 * the runtime will not see AOT methods during AOT compilation,so it
7520 * does not need to support them by creating a fake GOT etc.
7522 flags = JIT_FLAG_AOT;
7523 if (mono_aot_mode_is_full (&acfg->aot_opts))
7524 flags = (JitFlags)(flags | JIT_FLAG_FULL_AOT);
7526 flags = (JitFlags)(flags | JIT_FLAG_LLVM);
7527 if (acfg->aot_opts.llvm_only)
7528 flags = (JitFlags)(flags | JIT_FLAG_LLVM_ONLY | JIT_FLAG_EXPLICIT_NULL_CHECKS);
7529 if (acfg->aot_opts.no_direct_calls)
7530 flags = (JitFlags)(flags | JIT_FLAG_NO_DIRECT_ICALLS);
7531 if (acfg->aot_opts.direct_pinvoke)
7532 flags = (JitFlags)(flags | JIT_FLAG_DIRECT_PINVOKE);
7534 jit_timer = mono_time_track_start ();
7535 cfg = mini_method_compile (method, acfg->opts, mono_get_root_domain (), flags, 0, index);
7536 mono_time_track_end (&mono_jit_stats.jit_time, jit_timer);
7538 if (cfg->exception_type == MONO_EXCEPTION_GENERIC_SHARING_FAILED) {
7539 if (acfg->aot_opts.print_skipped_methods)
7540 printf ("Skip (gshared failure): %s (%s)\n", mono_method_get_full_name (method), cfg->exception_message);
7541 InterlockedIncrement (&acfg->stats.genericcount);
7544 if (cfg->exception_type != MONO_EXCEPTION_NONE) {
7545 if (acfg->aot_opts.print_skipped_methods)
7546 printf ("Skip (JIT failure): %s\n", mono_method_get_full_name (method));
7547 /* Let the exception happen at runtime */
7551 if (cfg->disable_aot) {
7552 if (acfg->aot_opts.print_skipped_methods)
7553 printf ("Skip (disabled): %s\n", mono_method_get_full_name (method));
7554 InterlockedIncrement (&acfg->stats.ocount);
7557 cfg->method_index = index;
7559 /* Nullify patches which need no aot processing */
7560 for (patch_info = cfg->patch_info; patch_info; patch_info = patch_info->next) {
7561 switch (patch_info->type) {
7562 case MONO_PATCH_INFO_LABEL:
7563 case MONO_PATCH_INFO_BB:
7564 patch_info->type = MONO_PATCH_INFO_NONE;
7571 /* Collect method->token associations from the cfg */
7572 mono_acfg_lock (acfg);
7573 g_hash_table_foreach (cfg->token_info_hash, add_token_info_hash, acfg);
7574 mono_acfg_unlock (acfg);
7575 g_hash_table_destroy (cfg->token_info_hash);
7576 cfg->token_info_hash = NULL;
7579 * Check for absolute addresses.
7582 for (patch_info = cfg->patch_info; patch_info; patch_info = patch_info->next) {
7583 switch (patch_info->type) {
7584 case MONO_PATCH_INFO_ABS:
7585 /* unable to handle this */
7594 if (acfg->aot_opts.print_skipped_methods)
7595 printf ("Skip (abs call): %s\n", mono_method_get_full_name (method));
7596 InterlockedIncrement (&acfg->stats.abscount);
7600 /* Lock for the rest of the code */
7601 mono_acfg_lock (acfg);
7604 acfg->stats.method_categories [METHOD_CAT_GSHAREDVT] ++;
7605 else if (cfg->gshared)
7606 acfg->stats.method_categories [METHOD_CAT_INST] ++;
7607 else if (cfg->method->wrapper_type)
7608 acfg->stats.method_categories [METHOD_CAT_WRAPPER] ++;
7610 acfg->stats.method_categories [METHOD_CAT_NORMAL] ++;
7613 * Check for methods/klasses we can't encode.
7616 for (patch_info = cfg->patch_info; patch_info; patch_info = patch_info->next) {
7617 if (!can_encode_patch (acfg, patch_info))
7622 if (acfg->aot_opts.print_skipped_methods)
7623 printf ("Skip (patches): %s\n", mono_method_get_full_name (method));
7624 acfg->stats.ocount++;
7625 mono_acfg_unlock (acfg);
7629 if (!cfg->compile_llvm)
7630 acfg->has_jitted_code = TRUE;
7632 if (method->is_inflated && acfg->aot_opts.log_instances) {
7633 if (acfg->instances_logfile)
7634 fprintf (acfg->instances_logfile, "%s ### %d\n", mono_method_get_full_name (method), cfg->code_size);
7636 printf ("%s ### %d\n", mono_method_get_full_name (method), cfg->code_size);
7639 /* Adds generic instances referenced by this method */
7641 * The depth is used to avoid infinite loops when generic virtual recursion is
7644 depth = GPOINTER_TO_UINT (g_hash_table_lookup (acfg->method_depth, method));
7645 if (!acfg->aot_opts.no_instances && depth < 32) {
7646 for (patch_info = cfg->patch_info; patch_info; patch_info = patch_info->next) {
7647 switch (patch_info->type) {
7648 case MONO_PATCH_INFO_RGCTX_FETCH:
7649 case MONO_PATCH_INFO_RGCTX_SLOT_INDEX:
7650 case MONO_PATCH_INFO_METHOD: {
7651 MonoMethod *m = NULL;
7653 if (patch_info->type == MONO_PATCH_INFO_RGCTX_FETCH || patch_info->type == MONO_PATCH_INFO_RGCTX_SLOT_INDEX) {
7654 MonoJumpInfoRgctxEntry *e = patch_info->data.rgctx_entry;
7656 if (e->info_type == MONO_RGCTX_INFO_GENERIC_METHOD_CODE)
7657 m = e->data->data.method;
7659 m = patch_info->data.method;
7664 if (m->is_inflated) {
7665 if (!(mono_class_generic_sharing_enabled (m->klass) &&
7666 mono_method_is_generic_sharable_full (m, FALSE, FALSE, FALSE)) &&
7667 (!method_has_type_vars (m) || mono_method_is_generic_sharable_full (m, TRUE, TRUE, FALSE))) {
7668 if (m->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) {
7669 if (mono_aot_mode_is_full (&acfg->aot_opts) && !method_has_type_vars (m))
7670 add_extra_method_with_depth (acfg, mono_marshal_get_native_wrapper (m, TRUE, TRUE), depth + 1);
7672 add_extra_method_with_depth (acfg, m, depth + 1);
7673 add_types_from_method_header (acfg, m);
7676 add_generic_class_with_depth (acfg, m->klass, depth + 5, "method");
7678 if (m->wrapper_type == MONO_WRAPPER_MANAGED_TO_MANAGED) {
7679 WrapperInfo *info = mono_marshal_get_wrapper_info (m);
7681 if (info && info->subtype == WRAPPER_SUBTYPE_ELEMENT_ADDR)
7682 add_extra_method_with_depth (acfg, m, depth + 1);
7686 case MONO_PATCH_INFO_VTABLE: {
7687 MonoClass *klass = patch_info->data.klass;
7689 if (mono_class_is_ginst (klass) && !mini_class_is_generic_sharable (klass))
7690 add_generic_class_with_depth (acfg, klass, depth + 5, "vtable");
7693 case MONO_PATCH_INFO_SFLDA: {
7694 MonoClass *klass = patch_info->data.field->parent;
7696 /* The .cctor needs to run at runtime. */
7697 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))
7698 add_extra_method_with_depth (acfg, mono_class_get_cctor (klass), depth + 1);
7707 /* Determine whenever the method has GOT slots */
7708 for (patch_info = cfg->patch_info; patch_info; patch_info = patch_info->next) {
7709 switch (patch_info->type) {
7710 case MONO_PATCH_INFO_GOT_OFFSET:
7711 case MONO_PATCH_INFO_NONE:
7712 case MONO_PATCH_INFO_GC_CARD_TABLE_ADDR:
7713 case MONO_PATCH_INFO_GC_NURSERY_START:
7714 case MONO_PATCH_INFO_GC_NURSERY_BITS:
7716 case MONO_PATCH_INFO_IMAGE:
7717 /* The assembly is stored in GOT slot 0 */
7718 if (patch_info->data.image != acfg->image)
7719 cfg->has_got_slots = TRUE;
7722 if (!is_plt_patch (patch_info) || (cfg->compile_llvm && acfg->aot_opts.llvm_only))
7723 cfg->has_got_slots = TRUE;
7728 if (!cfg->has_got_slots)
7729 InterlockedIncrement (&acfg->stats.methods_without_got_slots);
7731 /* Add gsharedvt wrappers for signatures used by the method */
7732 if (acfg->aot_opts.llvm_only) {
7735 if (!cfg->method->wrapper_type || cfg->method->wrapper_type == MONO_WRAPPER_DELEGATE_INVOKE)
7736 /* These only need out wrappers */
7737 add_gsharedvt_wrappers (acfg, mono_method_signature (cfg->method), FALSE, TRUE);
7739 for (l = cfg->signatures; l; l = l->next) {
7740 MonoMethodSignature *sig = mono_metadata_signature_dup ((MonoMethodSignature*)l->data);
7742 /* These only need in wrappers */
7743 add_gsharedvt_wrappers (acfg, sig, TRUE, FALSE);
7748 * FIXME: Instead of this mess, allocate the patches from the aot mempool.
7750 /* Make a copy of the patch info which is in the mempool */
7752 MonoJumpInfo *patches = NULL, *patches_end = NULL;
7754 for (patch_info = cfg->patch_info; patch_info; patch_info = patch_info->next) {
7755 MonoJumpInfo *new_patch_info = mono_patch_info_dup_mp (acfg->mempool, patch_info);
7758 patches = new_patch_info;
7760 patches_end->next = new_patch_info;
7761 patches_end = new_patch_info;
7763 cfg->patch_info = patches;
7765 /* Make a copy of the unwind info */
7767 GSList *l, *unwind_ops;
7771 for (l = cfg->unwind_ops; l; l = l->next) {
7772 op = (MonoUnwindOp *)mono_mempool_alloc (acfg->mempool, sizeof (MonoUnwindOp));
7773 memcpy (op, l->data, sizeof (MonoUnwindOp));
7774 unwind_ops = g_slist_prepend_mempool (acfg->mempool, unwind_ops, op);
7776 cfg->unwind_ops = g_slist_reverse (unwind_ops);
7778 /* Make a copy of the argument/local info */
7781 MonoInst **args, **locals;
7782 MonoMethodSignature *sig;
7783 MonoMethodHeader *header;
7786 sig = mono_method_signature (method);
7787 args = (MonoInst **)mono_mempool_alloc (acfg->mempool, sizeof (MonoInst*) * (sig->param_count + sig->hasthis));
7788 for (i = 0; i < sig->param_count + sig->hasthis; ++i) {
7789 args [i] = (MonoInst *)mono_mempool_alloc (acfg->mempool, sizeof (MonoInst));
7790 memcpy (args [i], cfg->args [i], sizeof (MonoInst));
7794 header = mono_method_get_header_checked (method, &error);
7795 mono_error_assert_ok (&error); /* FIXME don't swallow the error */
7796 locals = (MonoInst **)mono_mempool_alloc (acfg->mempool, sizeof (MonoInst*) * header->num_locals);
7797 for (i = 0; i < header->num_locals; ++i) {
7798 locals [i] = (MonoInst *)mono_mempool_alloc (acfg->mempool, sizeof (MonoInst));
7799 memcpy (locals [i], cfg->locals [i], sizeof (MonoInst));
7801 mono_metadata_free_mh (header);
7802 cfg->locals = locals;
7805 /* Free some fields used by cfg to conserve memory */
7806 mono_empty_compile (cfg);
7808 //printf ("Compile: %s\n", mono_method_full_name (method, TRUE));
7810 while (index >= acfg->cfgs_size) {
7811 MonoCompile **new_cfgs;
7814 new_size = acfg->cfgs_size * 2;
7815 new_cfgs = g_new0 (MonoCompile*, new_size);
7816 memcpy (new_cfgs, acfg->cfgs, sizeof (MonoCompile*) * acfg->cfgs_size);
7817 g_free (acfg->cfgs);
7818 acfg->cfgs = new_cfgs;
7819 acfg->cfgs_size = new_size;
7821 acfg->cfgs [index] = cfg;
7823 g_hash_table_insert (acfg->method_to_cfg, cfg->orig_method, cfg);
7825 mono_update_jit_stats (cfg);
7828 if (cfg->orig_method->wrapper_type)
7829 g_ptr_array_add (acfg->extra_methods, cfg->orig_method);
7832 mono_acfg_unlock (acfg);
7834 InterlockedIncrement (&acfg->stats.ccount);
7837 static mono_thread_start_return_t WINAPI
7838 compile_thread_main (gpointer user_data)
7840 MonoDomain *domain = ((MonoDomain **)user_data) [0];
7841 MonoAotCompile *acfg = ((MonoAotCompile **)user_data) [1];
7842 GPtrArray *methods = ((GPtrArray **)user_data) [2];
7846 MonoThread *thread = mono_thread_attach (domain);
7847 mono_thread_set_name_internal (thread->internal_thread, mono_string_new (mono_get_root_domain (), "AOT compiler"), TRUE, &error);
7848 mono_error_assert_ok (&error);
7850 for (i = 0; i < methods->len; ++i)
7851 compile_method (acfg, (MonoMethod *)g_ptr_array_index (methods, i));
7857 load_profile_files (MonoAotCompile *acfg)
7861 int file_index, res, method_index, i;
7864 GList *unordered, *l;
7869 tmp = g_strdup_printf ("%s/.mono/aot-profile-data/%s-%d", g_get_home_dir (), acfg->image->assembly_name, file_index);
7871 if (!g_file_test (tmp, G_FILE_TEST_IS_REGULAR)) {
7876 infile = fopen (tmp, "r");
7879 printf ("Using profile data file '%s'\n", tmp);
7884 res = fscanf (infile, "%32s\n", ver);
7885 if ((res != 1) || strcmp (ver, "#VER:2") != 0) {
7886 printf ("Profile file has wrong version or invalid.\n");
7893 MonoMethodDesc *desc;
7896 if (fgets (name, 1023, infile) == NULL)
7899 /* Kill the newline */
7900 if (strlen (name) > 0)
7901 name [strlen (name) - 1] = '\0';
7903 desc = mono_method_desc_new (name, TRUE);
7905 method = mono_method_desc_search_in_image (desc, acfg->image);
7907 if (method && mono_method_get_token (method)) {
7908 token = mono_method_get_token (method);
7909 method_index = mono_metadata_token_index (token) - 1;
7912 for (i = 0; i < acfg->method_order->len; ++i) {
7913 if (g_ptr_array_index (acfg->method_order, i) == GUINT_TO_POINTER (method_index)) {
7919 g_ptr_array_add (acfg->method_order, GUINT_TO_POINTER (method_index));
7921 //printf ("No method found matching '%s'.\n", name);
7927 /* Add missing methods */
7929 for (method_index = 0; method_index < acfg->image->tables [MONO_TABLE_METHOD].rows; ++method_index) {
7931 for (i = 0; i < acfg->method_order->len; ++i) {
7932 if (g_ptr_array_index (acfg->method_order, i) == GUINT_TO_POINTER (method_index)) {
7938 unordered = g_list_prepend (unordered, GUINT_TO_POINTER (method_index));
7940 unordered = g_list_reverse (unordered);
7941 for (l = unordered; l; l = l->next)
7942 g_ptr_array_add (acfg->method_order, l->data);
7945 /* Used by the LLVM backend */
7947 mono_aot_get_got_offset (MonoJumpInfo *ji)
7949 return get_got_offset (llvm_acfg, TRUE, ji);
7953 * mono_aot_is_shared_got_offset:
7955 * Return whenever OFFSET refers to a GOT slot which is preinitialized
7956 * when the AOT image is loaded.
7959 mono_aot_is_shared_got_offset (int offset)
7961 return offset < llvm_acfg->nshared_got_entries;
7965 mono_aot_get_method_name (MonoCompile *cfg)
7967 if (llvm_acfg->aot_opts.static_link)
7968 /* Include the assembly name too to avoid duplicate symbol errors */
7969 return g_strdup_printf ("%s_%s", llvm_acfg->assembly_name_sym, get_debug_sym (cfg->orig_method, "", llvm_acfg->method_label_hash));
7971 return get_debug_sym (cfg->orig_method, "", llvm_acfg->method_label_hash);
7975 * mono_aot_is_linkonce_method:
7977 * Return whenever METHOD should be emitted with linkonce linkage,
7978 * eliminating duplicate copies when compiling in static mode.
7981 mono_aot_is_linkonce_method (MonoMethod *method)
7987 // FIXME: Add more cases
7988 if (method->wrapper_type != MONO_WRAPPER_UNKNOWN)
7990 info = mono_marshal_get_wrapper_info (method);
7991 if ((info && (info->subtype == WRAPPER_SUBTYPE_GSHAREDVT_IN_SIG || info->subtype == WRAPPER_SUBTYPE_GSHAREDVT_OUT_SIG)))
7998 append_mangled_type (GString *s, MonoType *t)
8001 g_string_append_printf (s, "b");
8003 case MONO_TYPE_VOID:
8004 g_string_append_printf (s, "void_");
8007 g_string_append_printf (s, "i1");
8010 g_string_append_printf (s, "u1");
8013 g_string_append_printf (s, "i2");
8016 g_string_append_printf (s, "u2");
8019 g_string_append_printf (s, "i4");
8022 g_string_append_printf (s, "u4");
8025 g_string_append_printf (s, "i8");
8028 g_string_append_printf (s, "u8");
8031 g_string_append_printf (s, "ii");
8034 g_string_append_printf (s, "ui");
8037 g_string_append_printf (s, "fl");
8040 g_string_append_printf (s, "do");
8043 char *fullname = mono_type_full_name (t);
8049 * Have to create a mangled name which is:
8053 temp = g_string_new ("");
8054 len = strlen (fullname);
8055 for (i = 0; i < len; ++i) {
8056 char c = fullname [i];
8058 g_string_append_c (temp, c);
8059 } else if (c == '_') {
8060 g_string_append_c (temp, '_');
8061 g_string_append_c (temp, '_');
8063 g_string_append_c (temp, '_');
8064 g_string_append_printf (temp, "%x", (int)c);
8067 temps = g_string_free (temp, FALSE);
8068 /* Include the length to avoid different length type names aliasing each other */
8069 g_string_append_printf (s, "cl%x_%s_", strlen (temps), temps);
8078 append_mangled_signature (GString *s, MonoMethodSignature *sig)
8083 supported = append_mangled_type (s, sig->ret);
8087 g_string_append_printf (s, "this_");
8088 for (i = 0; i < sig->param_count; ++i) {
8089 supported = append_mangled_type (s, sig->params [i]);
8098 * mono_aot_get_mangled_method_name:
8100 * Return a unique mangled name for METHOD, or NULL.
8103 mono_aot_get_mangled_method_name (MonoMethod *method)
8109 // FIXME: Add more cases
8110 if (method->wrapper_type != MONO_WRAPPER_UNKNOWN)
8112 info = mono_marshal_get_wrapper_info (method);
8113 if (!(info && (info->subtype == WRAPPER_SUBTYPE_GSHAREDVT_IN_SIG || info->subtype == WRAPPER_SUBTYPE_GSHAREDVT_OUT_SIG)))
8116 s = g_string_new ("");
8118 g_string_append_printf (s, "aot_method_w_");
8120 switch (info->subtype) {
8121 case WRAPPER_SUBTYPE_GSHAREDVT_IN_SIG:
8122 g_string_append_printf (s, "gsharedvt_in_");
8124 case WRAPPER_SUBTYPE_GSHAREDVT_OUT_SIG:
8125 g_string_append_printf (s, "gsharedvt_out_");
8128 g_assert_not_reached ();
8132 supported = append_mangled_signature (s, info->d.gsharedvt.sig);
8134 g_string_free (s, TRUE);
8138 return g_string_free (s, FALSE);
8142 mono_aot_is_direct_callable (MonoJumpInfo *patch_info)
8144 return is_direct_callable (llvm_acfg, NULL, patch_info);
8148 mono_aot_mark_unused_llvm_plt_entry (MonoJumpInfo *patch_info)
8150 MonoPltEntry *plt_entry;
8152 plt_entry = get_plt_entry (llvm_acfg, patch_info);
8153 plt_entry->llvm_used = FALSE;
8157 mono_aot_get_direct_call_symbol (MonoJumpInfoType type, gconstpointer data)
8159 const char *sym = NULL;
8161 if (llvm_acfg->aot_opts.direct_icalls) {
8162 if (type == MONO_PATCH_INFO_JIT_ICALL_ADDR) {
8163 /* Call to a C function implementing a jit icall */
8164 sym = mono_lookup_jit_icall_symbol ((const char *)data);
8165 } else if (type == MONO_PATCH_INFO_ICALL_ADDR_CALL) {
8166 MonoMethod *method = (MonoMethod *)data;
8167 if (!(method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL))
8168 sym = mono_lookup_icall_symbol (method);
8169 else if (llvm_acfg->aot_opts.direct_pinvoke)
8170 sym = get_pinvoke_import (llvm_acfg, method);
8173 return g_strdup (sym);
8179 mono_aot_get_plt_symbol (MonoJumpInfoType type, gconstpointer data)
8181 MonoJumpInfo *ji = (MonoJumpInfo *)mono_mempool_alloc (llvm_acfg->mempool, sizeof (MonoJumpInfo));
8182 MonoPltEntry *plt_entry;
8183 const char *sym = NULL;
8186 ji->data.target = data;
8188 if (!can_encode_patch (llvm_acfg, ji))
8191 if (llvm_acfg->aot_opts.direct_icalls) {
8192 if (type == MONO_PATCH_INFO_JIT_ICALL_ADDR) {
8193 /* Call to a C function implementing a jit icall */
8194 sym = mono_lookup_jit_icall_symbol ((const char *)data);
8195 } else if (type == MONO_PATCH_INFO_ICALL_ADDR_CALL) {
8196 MonoMethod *method = (MonoMethod *)data;
8197 if (!(method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL))
8198 sym = mono_lookup_icall_symbol (method);
8201 return g_strdup (sym);
8204 plt_entry = get_plt_entry (llvm_acfg, ji);
8205 plt_entry->llvm_used = TRUE;
8207 #if defined(TARGET_MACH)
8208 return g_strdup_printf (plt_entry->llvm_symbol + strlen (llvm_acfg->llvm_label_prefix));
8210 return g_strdup_printf (plt_entry->llvm_symbol);
8215 mono_aot_get_method_index (MonoMethod *method)
8217 g_assert (llvm_acfg);
8218 return get_method_index (llvm_acfg, method);
8222 mono_aot_patch_info_dup (MonoJumpInfo* ji)
8226 mono_acfg_lock (llvm_acfg);
8227 res = mono_patch_info_dup_mp (llvm_acfg->mempool, ji);
8228 mono_acfg_unlock (llvm_acfg);
8234 execute_system (const char * command)
8239 // We need an extra set of quotes around the whole command to properly handle commands
8240 // with spaces since internally the command is called through "cmd /c.
8241 char * quoted_command = g_strdup_printf ("\"%s\"", command);
8243 int size = MultiByteToWideChar (CP_UTF8, 0 , quoted_command , -1, NULL , 0);
8244 wchar_t* wstr = g_malloc (sizeof (wchar_t) * size);
8245 MultiByteToWideChar (CP_UTF8, 0, quoted_command, -1, wstr , size);
8246 status = _wsystem (wstr);
8249 g_free (quoted_command);
8250 #elif defined (HAVE_SYSTEM)
8251 status = system (command);
8253 g_assert_not_reached ();
8264 * Emit the LLVM code into an LLVM bytecode file, and compile it using the LLVM
8268 emit_llvm_file (MonoAotCompile *acfg)
8270 char *command, *opts, *tempbc, *optbc, *output_fname;
8272 if (acfg->aot_opts.llvm_only && acfg->aot_opts.asm_only) {
8273 tempbc = g_strdup_printf ("%s.bc", acfg->tmpbasename);
8274 optbc = g_strdup (acfg->aot_opts.llvm_outfile);
8276 tempbc = g_strdup_printf ("%s.bc", acfg->tmpbasename);
8277 optbc = g_strdup_printf ("%s.opt.bc", acfg->tmpbasename);
8280 mono_llvm_emit_aot_module (tempbc, g_path_get_basename (acfg->image->name));
8283 * FIXME: Experiment with adding optimizations, the -std-compile-opts set takes
8284 * a lot of time, and doesn't seem to save much space.
8285 * The following optimizations cannot be enabled:
8287 * - 'jump-threading' changes our blockaddress references to int constants.
8288 * - 'basiccg' fails because it contains:
8289 * if (CS && !isa<IntrinsicInst>(II)) {
8290 * and isa<IntrinsicInst> is false for invokes to intrinsics (iltests.exe).
8291 * - 'prune-eh' and 'functionattrs' depend on 'basiccg'.
8292 * The opt list below was produced by taking the output of:
8293 * llvm-as < /dev/null | opt -O2 -disable-output -debug-pass=Arguments
8294 * then removing tailcallelim + the global opts.
8295 * strip-dead-prototypes deletes unused intrinsics definitions.
8297 /* The dse pass is disabled because of #13734 and #17616 */
8299 * The dse bug is in DeadStoreElimination.cpp:isOverwrite ():
8300 * // If we have no DataLayout information around, then the size of the store
8301 * // is inferrable from the pointee type. If they are the same type, then
8302 * // we know that the store is safe.
8303 * if (AA.getDataLayout() == 0 &&
8304 * Later.Ptr->getType() == Earlier.Ptr->getType()) {
8305 * return OverwriteComplete;
8306 * Here, if 'Earlier' refers to a memset, and Later has no size info, it mistakenly thinks the memset is redundant.
8308 if (acfg->aot_opts.llvm_only)
8309 // FIXME: This doesn't work yet
8310 opts = g_strdup ("");
8312 #if LLVM_API_VERSION > 100
8313 opts = g_strdup ("-O2 -disable-tail-calls");
8315 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");
8317 command = g_strdup_printf ("\"%sopt\" -f %s -o \"%s\" \"%s\"", acfg->aot_opts.llvm_path, opts, optbc, tempbc);
8318 aot_printf (acfg, "Executing opt: %s\n", command);
8319 if (execute_system (command) != 0)
8323 if (acfg->aot_opts.llvm_only && acfg->aot_opts.asm_only)
8324 /* Nothing else to do */
8327 if (acfg->aot_opts.llvm_only) {
8328 /* Use the stock clang from xcode */
8330 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);
8332 aot_printf (acfg, "Executing clang: %s\n", command);
8333 if (execute_system (command) != 0)
8338 if (!acfg->llc_args)
8339 acfg->llc_args = g_string_new ("");
8341 /* Verbose asm slows down llc greatly */
8342 g_string_append (acfg->llc_args, " -asm-verbose=false");
8344 if (acfg->aot_opts.mtriple)
8345 g_string_append_printf (acfg->llc_args, " -mtriple=%s", acfg->aot_opts.mtriple);
8347 g_string_append (acfg->llc_args, " -disable-gnu-eh-frame -enable-mono-eh-frame");
8349 g_string_append_printf (acfg->llc_args, " -mono-eh-frame-symbol=%s%s", acfg->user_symbol_prefix, acfg->llvm_eh_frame_symbol);
8351 #if LLVM_API_VERSION > 100
8352 g_string_append_printf (acfg->llc_args, " -disable-tail-calls");
8355 #if defined(TARGET_MACH) && defined(TARGET_ARM)
8356 /* ios requires PIC code now */
8357 g_string_append_printf (acfg->llc_args, " -relocation-model=pic");
8359 if (llvm_acfg->aot_opts.static_link)
8360 g_string_append_printf (acfg->llc_args, " -relocation-model=static");
8362 g_string_append_printf (acfg->llc_args, " -relocation-model=pic");
8365 if (acfg->llvm_owriter) {
8366 /* Emit an object file directly */
8367 output_fname = g_strdup_printf ("%s", acfg->llvm_ofile);
8368 g_string_append_printf (acfg->llc_args, " -filetype=obj");
8370 output_fname = g_strdup_printf ("%s", acfg->llvm_sfile);
8372 command = g_strdup_printf ("\"%sllc\" %s -o \"%s\" \"%s.opt.bc\"", acfg->aot_opts.llvm_path, acfg->llc_args->str, output_fname, acfg->tmpbasename);
8373 g_free (output_fname);
8375 aot_printf (acfg, "Executing llc: %s\n", command);
8377 if (execute_system (command) != 0)
8384 emit_code (MonoAotCompile *acfg)
8386 int oindex, i, prev_index;
8387 gboolean saved_unbox_info = FALSE;
8388 char symbol [MAX_SYMBOL_SIZE];
8390 if (acfg->aot_opts.llvm_only)
8393 #if defined(TARGET_POWERPC64)
8394 sprintf (symbol, ".Lgot_addr");
8395 emit_section_change (acfg, ".text", 0);
8396 emit_alignment (acfg, 8);
8397 emit_label (acfg, symbol);
8398 emit_pointer (acfg, acfg->got_symbol);
8402 * This global symbol is used to compute the address of each method using the
8403 * code_offsets array. It is also used to compute the memory ranges occupied by
8404 * AOT code, so it must be equal to the address of the first emitted method.
8406 emit_section_change (acfg, ".text", 0);
8407 emit_alignment_code (acfg, 8);
8408 emit_info_symbol (acfg, "jit_code_start");
8411 * Emit some padding so the local symbol for the first method doesn't have the
8412 * same address as 'methods'.
8414 emit_padding (acfg, 16);
8416 for (oindex = 0; oindex < acfg->method_order->len; ++oindex) {
8420 i = GPOINTER_TO_UINT (g_ptr_array_index (acfg->method_order, oindex));
8422 cfg = acfg->cfgs [i];
8427 method = cfg->orig_method;
8429 /* Emit unbox trampoline */
8430 if (mono_aot_mode_is_full (&acfg->aot_opts) && cfg->orig_method->klass->valuetype) {
8431 sprintf (symbol, "ut_%d", get_method_index (acfg, method));
8433 emit_section_change (acfg, ".text", 0);
8435 if (acfg->thumb_mixed && cfg->compile_llvm) {
8436 emit_set_thumb_mode (acfg);
8437 fprintf (acfg->fp, "\n.thumb_func\n");
8440 emit_label (acfg, symbol);
8442 arch_emit_unbox_trampoline (acfg, cfg, cfg->orig_method, cfg->asm_symbol);
8444 if (acfg->thumb_mixed && cfg->compile_llvm)
8445 emit_set_arm_mode (acfg);
8447 if (!saved_unbox_info) {
8448 char user_symbol [128];
8450 sprintf (user_symbol, "%sunbox_trampoline_p", acfg->user_symbol_prefix);
8452 emit_label (acfg, "ut_end");
8454 unwind_ops = mono_unwind_get_cie_program ();
8455 save_unwind_info (acfg, user_symbol, unwind_ops);
8456 mono_free_unwind_info (unwind_ops);
8458 /* Save the unbox trampoline size */
8459 emit_symbol_diff (acfg, "ut_end", symbol, 0);
8461 saved_unbox_info = TRUE;
8465 if (cfg->compile_llvm)
8466 acfg->stats.llvm_count ++;
8468 emit_method_code (acfg, cfg);
8471 emit_section_change (acfg, ".text", 0);
8472 emit_alignment_code (acfg, 8);
8473 emit_info_symbol (acfg, "jit_code_end");
8475 /* To distinguish it from the next symbol */
8476 emit_padding (acfg, 4);
8479 * Add .no_dead_strip directives for all LLVM methods to prevent the OSX linker
8480 * from optimizing them away, since it doesn't see that code_offsets references them.
8481 * JITted methods don't need this since they are referenced using assembler local
8483 * FIXME: This is why write-symbols doesn't work on OSX ?
8485 if (acfg->llvm && acfg->need_no_dead_strip) {
8486 fprintf (acfg->fp, "\n");
8487 for (i = 0; i < acfg->nmethods; ++i) {
8488 if (acfg->cfgs [i] && acfg->cfgs [i]->compile_llvm)
8489 fprintf (acfg->fp, ".no_dead_strip %s\n", acfg->cfgs [i]->asm_symbol);
8494 * To work around linker issues, we emit a table of branches, and disassemble them at runtime.
8495 * This is PIE code, and the linker can update it if needed.
8498 sprintf (symbol, "method_addresses");
8499 emit_section_change (acfg, ".text", 1);
8500 emit_alignment_code (acfg, 8);
8501 emit_info_symbol (acfg, symbol);
8502 if (acfg->aot_opts.write_symbols)
8503 emit_local_symbol (acfg, symbol, "method_addresses_end", TRUE);
8504 emit_unset_mode (acfg);
8505 if (acfg->need_no_dead_strip)
8506 fprintf (acfg->fp, " .no_dead_strip %s\n", symbol);
8508 for (i = 0; i < acfg->nmethods; ++i) {
8509 #ifdef MONO_ARCH_AOT_SUPPORTED
8512 if (acfg->cfgs [i]) {
8513 arch_emit_direct_call (acfg, acfg->cfgs [i]->asm_symbol, FALSE, acfg->thumb_mixed && acfg->cfgs [i]->compile_llvm, NULL, &call_size);
8515 arch_emit_direct_call (acfg, symbol, FALSE, FALSE, NULL, &call_size);
8520 sprintf (symbol, "method_addresses_end");
8521 emit_label (acfg, symbol);
8524 /* Emit a sorted table mapping methods to the index of their unbox trampolines */
8525 sprintf (symbol, "unbox_trampolines");
8526 emit_section_change (acfg, RODATA_SECT, 0);
8527 emit_alignment (acfg, 8);
8528 emit_info_symbol (acfg, symbol);
8531 for (i = 0; i < acfg->nmethods; ++i) {
8536 cfg = acfg->cfgs [i];
8540 method = cfg->orig_method;
8542 if (mono_aot_mode_is_full (&acfg->aot_opts) && cfg->orig_method->klass->valuetype) {
8543 index = get_method_index (acfg, method);
8545 emit_int32 (acfg, index);
8546 /* Make sure the table is sorted by index */
8547 g_assert (index > prev_index);
8551 sprintf (symbol, "unbox_trampolines_end");
8552 emit_info_symbol (acfg, symbol);
8553 emit_int32 (acfg, 0);
8555 /* Emit a separate table with the trampoline addresses/offsets */
8556 sprintf (symbol, "unbox_trampoline_addresses");
8557 emit_section_change (acfg, ".text", 0);
8558 emit_alignment_code (acfg, 8);
8559 emit_info_symbol (acfg, symbol);
8561 for (i = 0; i < acfg->nmethods; ++i) {
8566 cfg = acfg->cfgs [i];
8570 method = cfg->orig_method;
8572 if (mono_aot_mode_is_full (&acfg->aot_opts) && cfg->orig_method->klass->valuetype) {
8573 #ifdef MONO_ARCH_AOT_SUPPORTED
8576 index = get_method_index (acfg, method);
8577 sprintf (symbol, "ut_%d", index);
8579 arch_emit_direct_call (acfg, symbol, FALSE, acfg->thumb_mixed && cfg->compile_llvm, NULL, &call_size);
8583 emit_int32 (acfg, 0);
8587 emit_info (MonoAotCompile *acfg)
8592 offsets = g_new0 (gint32, acfg->nmethods);
8594 for (oindex = 0; oindex < acfg->method_order->len; ++oindex) {
8595 i = GPOINTER_TO_UINT (g_ptr_array_index (acfg->method_order, oindex));
8597 if (acfg->cfgs [i]) {
8598 emit_method_info (acfg, acfg->cfgs [i]);
8599 offsets [i] = acfg->cfgs [i]->method_info_offset;
8605 acfg->stats.offsets_size += emit_offset_table (acfg, "method_info_offsets", MONO_AOT_TABLE_METHOD_INFO_OFFSETS, acfg->nmethods, 10, offsets);
8610 #endif /* #if !defined(DISABLE_AOT) && !defined(DISABLE_JIT) */
8612 #define rot(x,k) (((x)<<(k)) | ((x)>>(32-(k))))
8613 #define mix(a,b,c) { \
8614 a -= c; a ^= rot(c, 4); c += b; \
8615 b -= a; b ^= rot(a, 6); a += c; \
8616 c -= b; c ^= rot(b, 8); b += a; \
8617 a -= c; a ^= rot(c,16); c += b; \
8618 b -= a; b ^= rot(a,19); a += c; \
8619 c -= b; c ^= rot(b, 4); b += a; \
8621 #define final(a,b,c) { \
8622 c ^= b; c -= rot(b,14); \
8623 a ^= c; a -= rot(c,11); \
8624 b ^= a; b -= rot(a,25); \
8625 c ^= b; c -= rot(b,16); \
8626 a ^= c; a -= rot(c,4); \
8627 b ^= a; b -= rot(a,14); \
8628 c ^= b; c -= rot(b,24); \
8632 mono_aot_type_hash (MonoType *t1)
8634 guint hash = t1->type;
8636 hash |= t1->byref << 6; /* do not collide with t1->type values */
8638 case MONO_TYPE_VALUETYPE:
8639 case MONO_TYPE_CLASS:
8640 case MONO_TYPE_SZARRAY:
8641 /* check if the distribution is good enough */
8642 return ((hash << 5) - hash) ^ mono_metadata_str_hash (t1->data.klass->name);
8644 return ((hash << 5) - hash) ^ mono_metadata_type_hash (t1->data.type);
8645 case MONO_TYPE_ARRAY:
8646 return ((hash << 5) - hash) ^ mono_metadata_type_hash (&t1->data.array->eklass->byval_arg);
8647 case MONO_TYPE_GENERICINST:
8648 return ((hash << 5) - hash) ^ 0;
8655 * mono_aot_method_hash:
8657 * Return a hash code for methods which only depends on metadata.
8660 mono_aot_method_hash (MonoMethod *method)
8662 MonoMethodSignature *sig;
8666 guint32 *hashes_start, *hashes;
8668 MonoGenericInst *class_ginst = NULL;
8669 MonoGenericInst *ginst = NULL;
8671 /* Similar to the hash in mono_method_get_imt_slot () */
8673 sig = mono_method_signature (method);
8675 if (mono_class_is_ginst (method->klass))
8676 class_ginst = mono_class_get_generic_class (method->klass)->context.class_inst;
8677 if (method->is_inflated)
8678 ginst = ((MonoMethodInflated*)method)->context.method_inst;
8680 hashes_count = sig->param_count + 5 + (class_ginst ? class_ginst->type_argc : 0) + (ginst ? ginst->type_argc : 0);
8681 hashes_start = (guint32 *)g_malloc0 (hashes_count * sizeof (guint32));
8682 hashes = hashes_start;
8684 /* Some wrappers are assigned to random classes */
8685 if (!method->wrapper_type || method->wrapper_type == MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK)
8686 klass = method->klass;
8688 klass = mono_defaults.object_class;
8690 if (!method->wrapper_type) {
8693 if (mono_class_is_ginst (klass))
8694 full_name = mono_type_full_name (&mono_class_get_generic_class (klass)->container_class->byval_arg);
8696 full_name = mono_type_full_name (&klass->byval_arg);
8698 hashes [0] = mono_metadata_str_hash (full_name);
8702 hashes [0] = mono_metadata_str_hash (klass->name);
8703 hashes [1] = mono_metadata_str_hash (klass->name_space);
8705 if (method->wrapper_type == MONO_WRAPPER_STFLD || method->wrapper_type == MONO_WRAPPER_LDFLD || method->wrapper_type == MONO_WRAPPER_LDFLDA)
8706 /* The method name includes a stringified pointer */
8709 hashes [2] = mono_metadata_str_hash (method->name);
8710 hashes [3] = method->wrapper_type;
8711 hashes [4] = mono_aot_type_hash (sig->ret);
8713 for (i = 0; i < sig->param_count; i++) {
8714 hashes [hindex ++] = mono_aot_type_hash (sig->params [i]);
8717 for (i = 0; i < class_ginst->type_argc; ++i)
8718 hashes [hindex ++] = mono_aot_type_hash (class_ginst->type_argv [i]);
8721 for (i = 0; i < ginst->type_argc; ++i)
8722 hashes [hindex ++] = mono_aot_type_hash (ginst->type_argv [i]);
8724 g_assert (hindex == hashes_count);
8726 /* Setup internal state */
8727 a = b = c = 0xdeadbeef + (((guint32)hashes_count)<<2);
8729 /* Handle most of the hashes */
8730 while (hashes_count > 3) {
8739 /* Handle the last 3 hashes (all the case statements fall through) */
8740 switch (hashes_count) {
8741 case 3 : c += hashes [2];
8742 case 2 : b += hashes [1];
8743 case 1 : a += hashes [0];
8745 case 0: /* nothing left to add */
8749 g_free (hashes_start);
8758 * mono_aot_get_array_helper_from_wrapper;
8760 * Get the helper method in Array called by an array wrapper method.
8763 mono_aot_get_array_helper_from_wrapper (MonoMethod *method)
8767 MonoGenericContext ctx;
8768 MonoType *args [16];
8769 char *mname, *iname, *s, *s2, *helper_name = NULL;
8771 prefix = "System.Collections.Generic";
8772 s = g_strdup_printf ("%s", method->name + strlen (prefix) + 1);
8773 s2 = strstr (s, "`1.");
8779 //printf ("X: %s %s\n", iname, mname);
8781 if (!strcmp (iname, "IList"))
8782 helper_name = g_strdup_printf ("InternalArray__%s", mname);
8784 helper_name = g_strdup_printf ("InternalArray__%s_%s", iname, mname);
8785 m = mono_class_get_method_from_name (mono_defaults.array_class, helper_name, mono_method_signature (method)->param_count);
8787 g_free (helper_name);
8790 if (m->is_generic) {
8792 memset (&ctx, 0, sizeof (ctx));
8793 args [0] = &method->klass->element_class->byval_arg;
8794 ctx.method_inst = mono_metadata_get_generic_inst (1, args);
8795 m = mono_class_inflate_generic_method_checked (m, &ctx, &error);
8796 g_assert (mono_error_ok (&error)); /* FIXME don't swallow the error */
8802 #if !defined(DISABLE_AOT) && !defined(DISABLE_JIT)
8804 typedef struct HashEntry {
8805 guint32 key, value, index;
8806 struct HashEntry *next;
8810 * emit_extra_methods:
8812 * Emit methods which are not in the METHOD table, like wrappers.
8815 emit_extra_methods (MonoAotCompile *acfg)
8817 int i, table_size, buf_size;
8819 guint32 *info_offsets;
8822 HashEntry *entry, *new_entry;
8823 int nmethods, max_chain_length;
8826 info_offsets = g_new0 (guint32, acfg->extra_methods->len);
8828 /* Emit method info */
8830 for (i = 0; i < acfg->extra_methods->len; ++i) {
8831 MonoMethod *method = (MonoMethod *)g_ptr_array_index (acfg->extra_methods, i);
8832 MonoCompile *cfg = (MonoCompile *)g_hash_table_lookup (acfg->method_to_cfg, method);
8838 p = buf = (guint8 *)g_malloc (buf_size);
8842 method = cfg->method_to_register;
8844 encode_method_ref (acfg, method, p, &p);
8846 g_assert ((p - buf) < buf_size);
8848 info_offsets [i] = add_to_blob (acfg, buf, p - buf);
8853 * Construct a chained hash table for mapping indexes in extra_method_info to
8856 table_size = g_spaced_primes_closest ((int)(nmethods * 1.5));
8857 table = g_ptr_array_sized_new (table_size);
8858 for (i = 0; i < table_size; ++i)
8859 g_ptr_array_add (table, NULL);
8860 chain_lengths = g_new0 (int, table_size);
8861 max_chain_length = 0;
8862 for (i = 0; i < acfg->extra_methods->len; ++i) {
8863 MonoMethod *method = (MonoMethod *)g_ptr_array_index (acfg->extra_methods, i);
8864 MonoCompile *cfg = (MonoCompile *)g_hash_table_lookup (acfg->method_to_cfg, method);
8870 key = info_offsets [i];
8871 value = get_method_index (acfg, method);
8873 hash = mono_aot_method_hash (method) % table_size;
8874 //printf ("X: %s %x\n", mono_method_get_full_name (method), mono_aot_method_hash (method));
8876 chain_lengths [hash] ++;
8877 max_chain_length = MAX (max_chain_length, chain_lengths [hash]);
8879 new_entry = (HashEntry *)mono_mempool_alloc0 (acfg->mempool, sizeof (HashEntry));
8880 new_entry->key = key;
8881 new_entry->value = value;
8883 entry = (HashEntry *)g_ptr_array_index (table, hash);
8884 if (entry == NULL) {
8885 new_entry->index = hash;
8886 g_ptr_array_index (table, hash) = new_entry;
8889 entry = entry->next;
8891 entry->next = new_entry;
8892 new_entry->index = table->len;
8893 g_ptr_array_add (table, new_entry);
8896 g_free (chain_lengths);
8898 //printf ("MAX: %d\n", max_chain_length);
8900 buf_size = table->len * 12 + 4;
8901 p = buf = (guint8 *)g_malloc (buf_size);
8902 encode_int (table_size, p, &p);
8904 for (i = 0; i < table->len; ++i) {
8905 HashEntry *entry = (HashEntry *)g_ptr_array_index (table, i);
8907 if (entry == NULL) {
8908 encode_int (0, p, &p);
8909 encode_int (0, p, &p);
8910 encode_int (0, p, &p);
8912 //g_assert (entry->key > 0);
8913 encode_int (entry->key, p, &p);
8914 encode_int (entry->value, p, &p);
8916 encode_int (entry->next->index, p, &p);
8918 encode_int (0, p, &p);
8921 g_assert (p - buf <= buf_size);
8923 /* Emit the table */
8924 emit_aot_data (acfg, MONO_AOT_TABLE_EXTRA_METHOD_TABLE, "extra_method_table", buf, p - buf);
8929 * Emit a table reverse mapping method indexes to their index in extra_method_info.
8930 * This is used by mono_aot_find_jit_info ().
8932 buf_size = acfg->extra_methods->len * 8 + 4;
8933 p = buf = (guint8 *)g_malloc (buf_size);
8934 encode_int (acfg->extra_methods->len, p, &p);
8935 for (i = 0; i < acfg->extra_methods->len; ++i) {
8936 MonoMethod *method = (MonoMethod *)g_ptr_array_index (acfg->extra_methods, i);
8938 encode_int (get_method_index (acfg, method), p, &p);
8939 encode_int (info_offsets [i], p, &p);
8941 emit_aot_data (acfg, MONO_AOT_TABLE_EXTRA_METHOD_INFO_OFFSETS, "extra_method_info_offsets", buf, p - buf);
8944 g_free (info_offsets);
8945 g_ptr_array_free (table, TRUE);
8949 generate_aotid (guint8* aotid)
8951 gpointer rand_handle;
8955 rand_handle = mono_rand_init (NULL, 0);
8957 mono_rand_try_get_bytes (&rand_handle, aotid, 16, &error);
8958 mono_error_assert_ok (&error);
8960 mono_rand_close (rand_handle);
8964 emit_exception_info (MonoAotCompile *acfg)
8968 SeqPointData sp_data;
8969 gboolean seq_points_to_file = FALSE;
8971 offsets = g_new0 (gint32, acfg->nmethods);
8972 for (i = 0; i < acfg->nmethods; ++i) {
8973 if (acfg->cfgs [i]) {
8974 MonoCompile *cfg = acfg->cfgs [i];
8976 // By design aot-runtime decode_exception_debug_info is not able to load sequence point debug data from a file.
8977 // As it is not possible to load debug data from a file its is also not possible to store it in a file.
8978 gboolean method_seq_points_to_file = acfg->aot_opts.gen_msym_dir &&
8979 cfg->gen_seq_points && !cfg->gen_sdb_seq_points;
8980 gboolean method_seq_points_to_binary = cfg->gen_seq_points && !method_seq_points_to_file;
8982 emit_exception_debug_info (acfg, cfg, method_seq_points_to_binary);
8983 offsets [i] = cfg->ex_info_offset;
8985 if (method_seq_points_to_file) {
8986 if (!seq_points_to_file) {
8987 mono_seq_point_data_init (&sp_data, acfg->nmethods);
8988 seq_points_to_file = TRUE;
8990 mono_seq_point_data_add (&sp_data, cfg->method->token, cfg->method_index, cfg->seq_point_info);
8997 if (seq_points_to_file) {
8998 char *aotid = mono_guid_to_string_minimal (acfg->image->aotid);
8999 char *dir = g_build_filename (acfg->aot_opts.gen_msym_dir_path, aotid, NULL);
9000 char *image_basename = g_path_get_basename (acfg->image->name);
9001 char *aot_file = g_strdup_printf("%s%s", image_basename, SEQ_POINT_AOT_EXT);
9002 char *aot_file_path = g_build_filename (dir, aot_file, NULL);
9004 if (g_ensure_directory_exists (aot_file_path) == FALSE) {
9005 fprintf (stderr, "AOT : failed to create msym directory: %s\n", aot_file_path);
9009 mono_seq_point_data_write (&sp_data, aot_file_path);
9010 mono_seq_point_data_free (&sp_data);
9014 g_free (image_basename);
9016 g_free (aot_file_path);
9019 acfg->stats.offsets_size += emit_offset_table (acfg, "ex_info_offsets", MONO_AOT_TABLE_EX_INFO_OFFSETS, acfg->nmethods, 10, offsets);
9024 emit_unwind_info (MonoAotCompile *acfg)
9029 if (acfg->aot_opts.llvm_only) {
9030 g_assert (acfg->unwind_ops->len == 0);
9035 * The unwind info contains a lot of duplicates so we emit each unique
9036 * entry once, and only store the offset from the start of the table in the
9040 sprintf (symbol, "unwind_info");
9041 emit_section_change (acfg, RODATA_SECT, 1);
9042 emit_alignment (acfg, 8);
9043 emit_info_symbol (acfg, symbol);
9045 for (i = 0; i < acfg->unwind_ops->len; ++i) {
9046 guint32 index = GPOINTER_TO_UINT (g_ptr_array_index (acfg->unwind_ops, i));
9047 guint8 *unwind_info;
9048 guint32 unwind_info_len;
9052 unwind_info = mono_get_cached_unwind_info (index, &unwind_info_len);
9055 encode_value (unwind_info_len, p, &p);
9056 emit_bytes (acfg, buf, p - buf);
9057 emit_bytes (acfg, unwind_info, unwind_info_len);
9059 acfg->stats.unwind_info_size += (p - buf) + unwind_info_len;
9064 emit_class_info (MonoAotCompile *acfg)
9069 offsets = g_new0 (gint32, acfg->image->tables [MONO_TABLE_TYPEDEF].rows);
9070 for (i = 0; i < acfg->image->tables [MONO_TABLE_TYPEDEF].rows; ++i)
9071 offsets [i] = emit_klass_info (acfg, MONO_TOKEN_TYPE_DEF | (i + 1));
9073 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);
9077 typedef struct ClassNameTableEntry {
9078 guint32 token, index;
9079 struct ClassNameTableEntry *next;
9080 } ClassNameTableEntry;
9083 emit_class_name_table (MonoAotCompile *acfg)
9085 int i, table_size, buf_size;
9086 guint32 token, hash;
9091 ClassNameTableEntry *entry, *new_entry;
9094 * Construct a chained hash table for mapping class names to typedef tokens.
9096 table_size = g_spaced_primes_closest ((int)(acfg->image->tables [MONO_TABLE_TYPEDEF].rows * 1.5));
9097 table = g_ptr_array_sized_new (table_size);
9098 for (i = 0; i < table_size; ++i)
9099 g_ptr_array_add (table, NULL);
9100 for (i = 0; i < acfg->image->tables [MONO_TABLE_TYPEDEF].rows; ++i) {
9102 token = MONO_TOKEN_TYPE_DEF | (i + 1);
9103 klass = mono_class_get_checked (acfg->image, token, &error);
9105 mono_error_cleanup (&error);
9108 full_name = mono_type_get_name_full (mono_class_get_type (klass), MONO_TYPE_NAME_FORMAT_FULL_NAME);
9109 hash = mono_metadata_str_hash (full_name) % table_size;
9112 /* FIXME: Allocate from the mempool */
9113 new_entry = g_new0 (ClassNameTableEntry, 1);
9114 new_entry->token = token;
9116 entry = (ClassNameTableEntry *)g_ptr_array_index (table, hash);
9117 if (entry == NULL) {
9118 new_entry->index = hash;
9119 g_ptr_array_index (table, hash) = new_entry;
9122 entry = entry->next;
9124 entry->next = new_entry;
9125 new_entry->index = table->len;
9126 g_ptr_array_add (table, new_entry);
9130 /* Emit the table */
9131 buf_size = table->len * 4 + 4;
9132 p = buf = (guint8 *)g_malloc0 (buf_size);
9134 /* FIXME: Optimize memory usage */
9135 g_assert (table_size < 65000);
9136 encode_int16 (table_size, p, &p);
9137 g_assert (table->len < 65000);
9138 for (i = 0; i < table->len; ++i) {
9139 ClassNameTableEntry *entry = (ClassNameTableEntry *)g_ptr_array_index (table, i);
9141 if (entry == NULL) {
9142 encode_int16 (0, p, &p);
9143 encode_int16 (0, p, &p);
9145 encode_int16 (mono_metadata_token_index (entry->token), p, &p);
9147 encode_int16 (entry->next->index, p, &p);
9149 encode_int16 (0, p, &p);
9153 g_assert (p - buf <= buf_size);
9154 g_ptr_array_free (table, TRUE);
9156 emit_aot_data (acfg, MONO_AOT_TABLE_CLASS_NAME, "class_name_table", buf, p - buf);
9162 emit_image_table (MonoAotCompile *acfg)
9168 * The image table is small but referenced in a lot of places.
9169 * So we emit it at once, and reference its elements by an index.
9171 buf_size = acfg->image_table->len * 28 + 4;
9172 for (i = 0; i < acfg->image_table->len; i++) {
9173 MonoImage *image = (MonoImage*)g_ptr_array_index (acfg->image_table, i);
9174 MonoAssemblyName *aname = &image->assembly->aname;
9176 buf_size += strlen (image->assembly_name) + strlen (image->guid) + (aname->culture ? strlen (aname->culture) : 1) + strlen ((char*)aname->public_key_token) + 4;
9179 buf = p = (guint8 *)g_malloc0 (buf_size);
9180 encode_int (acfg->image_table->len, p, &p);
9181 for (i = 0; i < acfg->image_table->len; i++) {
9182 MonoImage *image = (MonoImage*)g_ptr_array_index (acfg->image_table, i);
9183 MonoAssemblyName *aname = &image->assembly->aname;
9185 /* FIXME: Support multi-module assemblies */
9186 g_assert (image->assembly->image == image);
9188 encode_string (image->assembly_name, p, &p);
9189 encode_string (image->guid, p, &p);
9190 encode_string (aname->culture ? aname->culture : "", p, &p);
9191 encode_string ((const char*)aname->public_key_token, p, &p);
9193 while (GPOINTER_TO_UINT (p) % 8 != 0)
9196 encode_int (aname->flags, p, &p);
9197 encode_int (aname->major, p, &p);
9198 encode_int (aname->minor, p, &p);
9199 encode_int (aname->build, p, &p);
9200 encode_int (aname->revision, p, &p);
9202 g_assert (p - buf <= buf_size);
9204 emit_aot_data (acfg, MONO_AOT_TABLE_IMAGE_TABLE, "image_table", buf, p - buf);
9210 emit_got_info (MonoAotCompile *acfg, gboolean llvm)
9212 int i, first_plt_got_patch = 0, buf_size;
9214 guint32 *got_info_offsets;
9215 GotInfo *info = llvm ? &acfg->llvm_got_info : &acfg->got_info;
9217 /* Add the patches needed by the PLT to the GOT */
9219 acfg->plt_got_offset_base = acfg->got_offset;
9220 first_plt_got_patch = info->got_patches->len;
9221 for (i = 1; i < acfg->plt_offset; ++i) {
9222 MonoPltEntry *plt_entry = (MonoPltEntry *)g_hash_table_lookup (acfg->plt_offset_to_entry, GUINT_TO_POINTER (i));
9224 g_ptr_array_add (info->got_patches, plt_entry->ji);
9226 acfg->stats.got_slot_types [plt_entry->ji->type] ++;
9229 acfg->got_offset += acfg->plt_offset;
9234 * - optimize offsets table.
9235 * - reduce number of exported symbols.
9236 * - emit info for a klass only once.
9237 * - determine when a method uses a GOT slot which is guaranteed to be already
9239 * - clean up and document the code.
9240 * - use String.Empty in class libs.
9243 /* Encode info required to decode shared GOT entries */
9244 buf_size = info->got_patches->len * 128;
9245 p = buf = (guint8 *)mono_mempool_alloc (acfg->mempool, buf_size);
9246 got_info_offsets = (guint32 *)mono_mempool_alloc (acfg->mempool, info->got_patches->len * sizeof (guint32));
9248 acfg->plt_got_info_offsets = (guint32 *)mono_mempool_alloc (acfg->mempool, acfg->plt_offset * sizeof (guint32));
9250 if (acfg->plt_offset)
9251 acfg->plt_got_info_offsets [0] = 0;
9253 for (i = 0; i < info->got_patches->len; ++i) {
9254 MonoJumpInfo *ji = (MonoJumpInfo *)g_ptr_array_index (info->got_patches, i);
9259 encode_value (ji->type, p, &p);
9261 encode_patch (acfg, ji, p, &p);
9262 acfg->stats.got_slot_info_sizes [ji->type] += p - p2;
9263 g_assert (p - buf <= buf_size);
9264 got_info_offsets [i] = add_to_blob (acfg, buf, p - buf);
9266 if (!llvm && i >= first_plt_got_patch)
9267 acfg->plt_got_info_offsets [i - first_plt_got_patch + 1] = got_info_offsets [i];
9268 acfg->stats.got_info_size += p - buf;
9271 /* Emit got_info_offsets table */
9273 /* No need to emit offsets for the got plt entries, the plt embeds them directly */
9274 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);
9278 emit_got (MonoAotCompile *acfg)
9280 char symbol [MAX_SYMBOL_SIZE];
9282 if (acfg->aot_opts.llvm_only)
9285 /* Don't make GOT global so accesses to it don't need relocations */
9286 sprintf (symbol, "%s", acfg->got_symbol);
9289 emit_unset_mode (acfg);
9290 fprintf (acfg->fp, ".section __DATA, __bss\n");
9291 emit_alignment (acfg, 8);
9293 emit_info_symbol (acfg, "jit_got");
9294 fprintf (acfg->fp, ".lcomm %s, %d\n", acfg->got_symbol, (int)(acfg->got_offset * sizeof (gpointer)));
9296 emit_section_change (acfg, ".bss", 0);
9297 emit_alignment (acfg, 8);
9298 if (acfg->aot_opts.write_symbols)
9299 emit_local_symbol (acfg, symbol, "got_end", FALSE);
9300 emit_label (acfg, symbol);
9302 emit_info_symbol (acfg, "jit_got");
9303 if (acfg->got_offset > 0)
9304 emit_zero_bytes (acfg, (int)(acfg->got_offset * sizeof (gpointer)));
9307 sprintf (symbol, "got_end");
9308 emit_label (acfg, symbol);
9311 typedef struct GlobalsTableEntry {
9312 guint32 value, index;
9313 struct GlobalsTableEntry *next;
9314 } GlobalsTableEntry;
9316 #ifdef TARGET_WIN32_MSVC
9317 #define DLL_ENTRY_POINT "DllMain"
9320 emit_library_info (MonoAotCompile *acfg)
9322 // Only include for shared libraries linked directly from generated object.
9323 if (link_shared_library (acfg)) {
9325 char symbol [MAX_SYMBOL_SIZE];
9327 // Ask linker to export all global symbols.
9328 emit_section_change (acfg, ".drectve", 0);
9329 for (guint i = 0; i < acfg->globals->len; ++i) {
9330 name = (char *)g_ptr_array_index (acfg->globals, i);
9331 g_assert (name != NULL);
9332 sprintf_s (symbol, MAX_SYMBOL_SIZE, " /EXPORT:%s", name);
9333 emit_string (acfg, symbol);
9336 // Emit DLLMain function, needed by MSVC linker for DLL's.
9337 // NOTE, DllMain should not go into exports above.
9338 emit_section_change (acfg, ".text", 0);
9339 emit_global (acfg, DLL_ENTRY_POINT, TRUE);
9340 emit_label (acfg, DLL_ENTRY_POINT);
9342 // Simple implementation of DLLMain, just returning TRUE.
9343 // For more information about DLLMain: https://msdn.microsoft.com/en-us/library/windows/desktop/ms682583(v=vs.85).aspx
9344 fprintf (acfg->fp, "movl $1, %%eax\n");
9345 fprintf (acfg->fp, "ret\n");
9347 // Inform linker about our dll entry function.
9348 emit_section_change (acfg, ".drectve", 0);
9349 emit_string (acfg, "/ENTRY:" DLL_ENTRY_POINT);
9357 emit_library_info (MonoAotCompile *acfg)
9364 emit_globals (MonoAotCompile *acfg)
9370 GlobalsTableEntry *entry, *new_entry;
9372 if (!acfg->aot_opts.static_link)
9375 if (acfg->aot_opts.llvm_only) {
9376 g_assert (acfg->globals->len == 0);
9381 * When static linking, we emit a table containing our globals.
9385 * Construct a chained hash table for mapping global names to their index in
9386 * the globals table.
9388 table_size = g_spaced_primes_closest ((int)(acfg->globals->len * 1.5));
9389 table = g_ptr_array_sized_new (table_size);
9390 for (i = 0; i < table_size; ++i)
9391 g_ptr_array_add (table, NULL);
9392 for (i = 0; i < acfg->globals->len; ++i) {
9393 char *name = (char *)g_ptr_array_index (acfg->globals, i);
9395 hash = mono_metadata_str_hash (name) % table_size;
9397 /* FIXME: Allocate from the mempool */
9398 new_entry = g_new0 (GlobalsTableEntry, 1);
9399 new_entry->value = i;
9401 entry = (GlobalsTableEntry *)g_ptr_array_index (table, hash);
9402 if (entry == NULL) {
9403 new_entry->index = hash;
9404 g_ptr_array_index (table, hash) = new_entry;
9407 entry = entry->next;
9409 entry->next = new_entry;
9410 new_entry->index = table->len;
9411 g_ptr_array_add (table, new_entry);
9415 /* Emit the table */
9416 sprintf (symbol, ".Lglobals_hash");
9417 emit_section_change (acfg, RODATA_SECT, 0);
9418 emit_alignment (acfg, 8);
9419 emit_label (acfg, symbol);
9421 /* FIXME: Optimize memory usage */
9422 g_assert (table_size < 65000);
9423 emit_int16 (acfg, table_size);
9424 for (i = 0; i < table->len; ++i) {
9425 GlobalsTableEntry *entry = (GlobalsTableEntry *)g_ptr_array_index (table, i);
9427 if (entry == NULL) {
9428 emit_int16 (acfg, 0);
9429 emit_int16 (acfg, 0);
9431 emit_int16 (acfg, entry->value + 1);
9433 emit_int16 (acfg, entry->next->index);
9435 emit_int16 (acfg, 0);
9439 /* Emit the names */
9440 for (i = 0; i < acfg->globals->len; ++i) {
9441 char *name = (char *)g_ptr_array_index (acfg->globals, i);
9443 sprintf (symbol, "name_%d", i);
9444 emit_section_change (acfg, RODATA_SECT, 1);
9446 emit_alignment (acfg, 4);
9448 emit_label (acfg, symbol);
9449 emit_string (acfg, name);
9452 /* Emit the globals table */
9453 sprintf (symbol, "globals");
9454 emit_section_change (acfg, ".data", 0);
9455 /* This is not a global, since it is accessed by the init function */
9456 emit_alignment (acfg, 8);
9457 emit_info_symbol (acfg, symbol);
9459 sprintf (symbol, "%sglobals_hash", acfg->temp_prefix);
9460 emit_pointer (acfg, symbol);
9462 for (i = 0; i < acfg->globals->len; ++i) {
9463 char *name = (char *)g_ptr_array_index (acfg->globals, i);
9465 sprintf (symbol, "name_%d", i);
9466 emit_pointer (acfg, symbol);
9468 g_assert (strlen (name) < sizeof (symbol));
9469 sprintf (symbol, "%s", name);
9470 emit_pointer (acfg, symbol);
9472 /* Null terminate the table */
9473 emit_int32 (acfg, 0);
9474 emit_int32 (acfg, 0);
9478 emit_mem_end (MonoAotCompile *acfg)
9482 if (acfg->aot_opts.llvm_only)
9485 sprintf (symbol, "mem_end");
9486 emit_section_change (acfg, ".text", 1);
9487 emit_alignment_code (acfg, 8);
9488 emit_label (acfg, symbol);
9492 init_aot_file_info (MonoAotCompile *acfg, MonoAotFileInfo *info)
9496 info->version = MONO_AOT_FILE_VERSION;
9497 info->plt_got_offset_base = acfg->plt_got_offset_base;
9498 info->got_size = acfg->got_offset * sizeof (gpointer);
9499 info->plt_size = acfg->plt_offset;
9500 info->nmethods = acfg->nmethods;
9501 info->flags = acfg->flags;
9502 info->opts = acfg->opts;
9503 info->simd_opts = acfg->simd_opts;
9504 info->gc_name_index = acfg->gc_name_offset;
9505 info->datafile_size = acfg->datafile_offset;
9506 for (i = 0; i < MONO_AOT_TABLE_NUM; ++i)
9507 info->table_offsets [i] = acfg->table_offsets [i];
9508 for (i = 0; i < MONO_AOT_TRAMP_NUM; ++i)
9509 info->num_trampolines [i] = acfg->num_trampolines [i];
9510 for (i = 0; i < MONO_AOT_TRAMP_NUM; ++i)
9511 info->trampoline_got_offset_base [i] = acfg->trampoline_got_offset_base [i];
9512 for (i = 0; i < MONO_AOT_TRAMP_NUM; ++i)
9513 info->trampoline_size [i] = acfg->trampoline_size [i];
9514 info->num_rgctx_fetch_trampolines = acfg->aot_opts.nrgctx_fetch_trampolines;
9516 info->double_align = MONO_ABI_ALIGNOF (double);
9517 info->long_align = MONO_ABI_ALIGNOF (gint64);
9518 info->generic_tramp_num = MONO_TRAMPOLINE_NUM;
9519 info->tramp_page_size = acfg->tramp_page_size;
9520 info->nshared_got_entries = acfg->nshared_got_entries;
9521 for (i = 0; i < MONO_AOT_TRAMP_NUM; ++i)
9522 info->tramp_page_code_offsets [i] = acfg->tramp_page_code_offsets [i];
9524 memcpy(&info->aotid, acfg->image->aotid, 16);
9528 emit_aot_file_info (MonoAotCompile *acfg, MonoAotFileInfo *info)
9530 char symbol [MAX_SYMBOL_SIZE];
9532 const char **symbols;
9534 symbols = g_new0 (const char *, MONO_AOT_FILE_INFO_NUM_SYMBOLS);
9536 symbols [sindex ++] = acfg->got_symbol;
9538 symbols [sindex ++] = g_strdup_printf ("%s%s", acfg->user_symbol_prefix, acfg->llvm_got_symbol);
9539 symbols [sindex ++] = acfg->llvm_eh_frame_symbol;
9541 symbols [sindex ++] = NULL;
9542 symbols [sindex ++] = NULL;
9544 /* llvm_get_method */
9545 symbols [sindex ++] = NULL;
9546 /* llvm_get_unbox_tramp */
9547 symbols [sindex ++] = NULL;
9548 if (!acfg->aot_opts.llvm_only) {
9549 symbols [sindex ++] = "jit_code_start";
9550 symbols [sindex ++] = "jit_code_end";
9551 symbols [sindex ++] = "method_addresses";
9553 symbols [sindex ++] = NULL;
9554 symbols [sindex ++] = NULL;
9555 symbols [sindex ++] = NULL;
9557 if (acfg->data_outfile) {
9558 for (i = 0; i < MONO_AOT_TABLE_NUM; ++i)
9559 symbols [sindex ++] = NULL;
9561 symbols [sindex ++] = "blob";
9562 symbols [sindex ++] = "class_name_table";
9563 symbols [sindex ++] = "class_info_offsets";
9564 symbols [sindex ++] = "method_info_offsets";
9565 symbols [sindex ++] = "ex_info_offsets";
9566 symbols [sindex ++] = "extra_method_info_offsets";
9567 symbols [sindex ++] = "extra_method_table";
9568 symbols [sindex ++] = "got_info_offsets";
9570 symbols [sindex ++] = "llvm_got_info_offsets";
9572 symbols [sindex ++] = NULL;
9573 symbols [sindex ++] = "image_table";
9575 symbols [sindex ++] = "mem_end";
9576 symbols [sindex ++] = "assembly_guid";
9577 symbols [sindex ++] = "runtime_version";
9578 if (acfg->num_trampoline_got_entries) {
9579 symbols [sindex ++] = "specific_trampolines";
9580 symbols [sindex ++] = "static_rgctx_trampolines";
9581 symbols [sindex ++] = "imt_trampolines";
9582 symbols [sindex ++] = "gsharedvt_arg_trampolines";
9584 symbols [sindex ++] = NULL;
9585 symbols [sindex ++] = NULL;
9586 symbols [sindex ++] = NULL;
9587 symbols [sindex ++] = NULL;
9589 if (acfg->aot_opts.static_link) {
9590 symbols [sindex ++] = "globals";
9592 symbols [sindex ++] = NULL;
9594 symbols [sindex ++] = "assembly_name";
9595 symbols [sindex ++] = "plt";
9596 symbols [sindex ++] = "plt_end";
9597 symbols [sindex ++] = "unwind_info";
9598 if (!acfg->aot_opts.llvm_only) {
9599 symbols [sindex ++] = "unbox_trampolines";
9600 symbols [sindex ++] = "unbox_trampolines_end";
9601 symbols [sindex ++] = "unbox_trampoline_addresses";
9603 symbols [sindex ++] = NULL;
9604 symbols [sindex ++] = NULL;
9605 symbols [sindex ++] = NULL;
9608 g_assert (sindex == MONO_AOT_FILE_INFO_NUM_SYMBOLS);
9610 sprintf (symbol, "%smono_aot_file_info", acfg->user_symbol_prefix);
9611 emit_section_change (acfg, ".data", 0);
9612 emit_alignment (acfg, 8);
9613 emit_label (acfg, symbol);
9614 if (!acfg->aot_opts.static_link)
9615 emit_global (acfg, symbol, FALSE);
9617 /* The data emitted here must match MonoAotFileInfo. */
9619 emit_int32 (acfg, info->version);
9620 emit_int32 (acfg, info->dummy);
9623 * We emit pointers to our data structures instead of emitting global symbols which
9624 * point to them, to reduce the number of globals, and because using globals leads to
9625 * various problems (i.e. arm/thumb).
9627 for (i = 0; i < MONO_AOT_FILE_INFO_NUM_SYMBOLS; ++i)
9628 emit_pointer (acfg, symbols [i]);
9630 emit_int32 (acfg, info->plt_got_offset_base);
9631 emit_int32 (acfg, info->got_size);
9632 emit_int32 (acfg, info->plt_size);
9633 emit_int32 (acfg, info->nmethods);
9634 emit_int32 (acfg, info->flags);
9635 emit_int32 (acfg, info->opts);
9636 emit_int32 (acfg, info->simd_opts);
9637 emit_int32 (acfg, info->gc_name_index);
9638 emit_int32 (acfg, info->num_rgctx_fetch_trampolines);
9639 emit_int32 (acfg, info->double_align);
9640 emit_int32 (acfg, info->long_align);
9641 emit_int32 (acfg, info->generic_tramp_num);
9642 emit_int32 (acfg, info->tramp_page_size);
9643 emit_int32 (acfg, info->nshared_got_entries);
9644 emit_int32 (acfg, info->datafile_size);
9646 for (i = 0; i < MONO_AOT_TABLE_NUM; ++i)
9647 emit_int32 (acfg, info->table_offsets [i]);
9648 for (i = 0; i < MONO_AOT_TRAMP_NUM; ++i)
9649 emit_int32 (acfg, info->num_trampolines [i]);
9650 for (i = 0; i < MONO_AOT_TRAMP_NUM; ++i)
9651 emit_int32 (acfg, info->trampoline_got_offset_base [i]);
9652 for (i = 0; i < MONO_AOT_TRAMP_NUM; ++i)
9653 emit_int32 (acfg, info->trampoline_size [i]);
9654 for (i = 0; i < MONO_AOT_TRAMP_NUM; ++i)
9655 emit_int32 (acfg, info->tramp_page_code_offsets [i]);
9657 emit_bytes (acfg, info->aotid, 16);
9659 if (acfg->aot_opts.static_link) {
9660 emit_global_inner (acfg, acfg->static_linking_symbol, FALSE);
9661 emit_alignment (acfg, sizeof (gpointer));
9662 emit_label (acfg, acfg->static_linking_symbol);
9663 emit_pointer_2 (acfg, acfg->user_symbol_prefix, "mono_aot_file_info");
9668 * Emit a structure containing all the information not stored elsewhere.
9671 emit_file_info (MonoAotCompile *acfg)
9674 MonoAotFileInfo *info;
9676 if (acfg->aot_opts.bind_to_runtime_version) {
9677 build_info = mono_get_runtime_build_info ();
9678 emit_string_symbol (acfg, "runtime_version", build_info);
9679 g_free (build_info);
9681 emit_string_symbol (acfg, "runtime_version", "");
9684 emit_string_symbol (acfg, "assembly_guid" , acfg->image->guid);
9686 /* Emit a string holding the assembly name */
9687 emit_string_symbol (acfg, "assembly_name", acfg->image->assembly->aname.name);
9689 info = g_new0 (MonoAotFileInfo, 1);
9690 init_aot_file_info (acfg, info);
9692 if (acfg->aot_opts.static_link) {
9693 char symbol [MAX_SYMBOL_SIZE];
9697 * Emit a global symbol which can be passed by an embedding app to
9698 * mono_aot_register_module (). The symbol points to a pointer to the the file info
9701 sprintf (symbol, "%smono_aot_module_%s_info", acfg->user_symbol_prefix, acfg->image->assembly->aname.name);
9703 /* Get rid of characters which cannot occur in symbols */
9705 for (p = symbol; *p; ++p) {
9706 if (!(isalnum (*p) || *p == '_'))
9709 acfg->static_linking_symbol = g_strdup (symbol);
9713 mono_llvm_emit_aot_file_info (info, acfg->has_jitted_code);
9715 emit_aot_file_info (acfg, info);
9719 emit_blob (MonoAotCompile *acfg)
9721 acfg->blob_closed = TRUE;
9723 emit_aot_data (acfg, MONO_AOT_TABLE_BLOB, "blob", (guint8*)acfg->blob.data, acfg->blob.index);
9727 emit_objc_selectors (MonoAotCompile *acfg)
9732 if (!acfg->objc_selectors || acfg->objc_selectors->len == 0)
9737 * cat > foo.m << EOF
9740 * return @selector(print:);
9745 mono_img_writer_emit_unset_mode (acfg->w);
9746 g_assert (acfg->fp);
9747 fprintf (acfg->fp, ".section __DATA,__objc_selrefs,literal_pointers,no_dead_strip\n");
9748 fprintf (acfg->fp, ".align 3\n");
9749 for (i = 0; i < acfg->objc_selectors->len; ++i) {
9750 sprintf (symbol, "L_OBJC_SELECTOR_REFERENCES_%d", i);
9751 emit_label (acfg, symbol);
9752 sprintf (symbol, "L_OBJC_METH_VAR_NAME_%d", i);
9753 emit_pointer (acfg, symbol);
9756 fprintf (acfg->fp, ".section __TEXT,__cstring,cstring_literals\n");
9757 for (i = 0; i < acfg->objc_selectors->len; ++i) {
9758 fprintf (acfg->fp, "L_OBJC_METH_VAR_NAME_%d:\n", i);
9759 fprintf (acfg->fp, ".asciz \"%s\"\n", (char*)g_ptr_array_index (acfg->objc_selectors, i));
9762 fprintf (acfg->fp, ".section __DATA,__objc_imageinfo,regular,no_dead_strip\n");
9763 fprintf (acfg->fp, ".align 3\n");
9764 fprintf (acfg->fp, "L_OBJC_IMAGE_INFO:\n");
9765 fprintf (acfg->fp, ".long 0\n");
9766 fprintf (acfg->fp, ".long 16\n");
9770 emit_dwarf_info (MonoAotCompile *acfg)
9772 #ifdef EMIT_DWARF_INFO
9776 /* DIEs for methods */
9777 for (i = 0; i < acfg->nmethods; ++i) {
9778 MonoCompile *cfg = acfg->cfgs [i];
9783 // FIXME: LLVM doesn't define .Lme_...
9784 if (cfg->compile_llvm)
9787 sprintf (symbol2, "%sme_%x", acfg->temp_prefix, i);
9789 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 ()));
9795 collect_methods (MonoAotCompile *acfg)
9798 MonoImage *image = acfg->image;
9800 /* Collect methods */
9801 for (i = 0; i < image->tables [MONO_TABLE_METHOD].rows; ++i) {
9804 guint32 token = MONO_TOKEN_METHOD_DEF | (i + 1);
9806 method = mono_get_method_checked (acfg->image, token, NULL, NULL, &error);
9809 aot_printerrf (acfg, "Failed to load method 0x%x from '%s' due to %s.\n", token, image->name, mono_error_get_message (&error));
9810 aot_printerrf (acfg, "Run with MONO_LOG_LEVEL=debug for more information.\n");
9811 mono_error_cleanup (&error);
9815 /* Load all methods eagerly to skip the slower lazy loading code */
9816 mono_class_setup_methods (method->klass);
9818 if (mono_aot_mode_is_full (&acfg->aot_opts) && method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) {
9819 /* Compile the wrapper instead */
9820 /* We do this here instead of add_wrappers () because it is easy to do it here */
9821 MonoMethod *wrapper = mono_marshal_get_native_wrapper (method, TRUE, TRUE);
9825 /* FIXME: Some mscorlib methods don't have debug info */
9827 if (acfg->aot_opts.soft_debug && !method->wrapper_type) {
9828 if (!((method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL) ||
9829 (method->iflags & METHOD_IMPL_ATTRIBUTE_RUNTIME) ||
9830 (method->flags & METHOD_ATTRIBUTE_ABSTRACT) ||
9831 (method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL))) {
9832 if (!mono_debug_lookup_method (method)) {
9833 fprintf (stderr, "Method %s has no debug info, probably the .mdb file for the assembly is missing.\n", mono_method_get_full_name (method));
9840 if (method->is_generic || mono_class_is_gtd (method->klass))
9841 /* Compile the ref shared version instead */
9842 method = mini_get_shared_method (method);
9844 /* Since we add the normal methods first, their index will be equal to their zero based token index */
9845 add_method_with_index (acfg, method, i, FALSE);
9846 acfg->method_index ++;
9849 /* gsharedvt methods */
9850 for (mindex = 0; mindex < image->tables [MONO_TABLE_METHOD].rows; ++mindex) {
9853 guint32 token = MONO_TOKEN_METHOD_DEF | (mindex + 1);
9855 if (!(acfg->opts & MONO_OPT_GSHAREDVT))
9858 method = mono_get_method_checked (acfg->image, token, NULL, NULL, &error);
9859 report_loader_error (acfg, &error, "Failed to load method token 0x%x due to %s\n", i, mono_error_get_message (&error));
9861 if (method->is_generic || mono_class_is_gtd (method->klass)) {
9862 MonoMethod *gshared;
9864 gshared = mini_get_shared_method_full (method, TRUE, TRUE);
9865 add_extra_method (acfg, gshared);
9869 add_generic_instances (acfg);
9871 if (mono_aot_mode_is_full (&acfg->aot_opts))
9872 add_wrappers (acfg);
9877 compile_methods (MonoAotCompile *acfg)
9881 if (acfg->aot_opts.nthreads > 0) {
9885 MonoThreadHandle *thread_handle;
9886 gpointer *user_data;
9887 MonoMethod **methods;
9889 methods_len = acfg->methods->len;
9891 len = acfg->methods->len / acfg->aot_opts.nthreads;
9894 * Partition the list of methods into fragments, and hand it to threads to
9897 threads = g_ptr_array_new ();
9898 /* Make a copy since acfg->methods is modified by compile_method () */
9899 methods = g_new0 (MonoMethod*, methods_len);
9900 //memcpy (methods, g_ptr_array_index (acfg->methods, 0), sizeof (MonoMethod*) * methods_len);
9901 for (i = 0; i < methods_len; ++i)
9902 methods [i] = (MonoMethod *)g_ptr_array_index (acfg->methods, i);
9904 while (i < methods_len) {
9905 frag = g_ptr_array_new ();
9906 for (j = 0; j < len; ++j) {
9907 if (i < methods_len) {
9908 g_ptr_array_add (frag, methods [i]);
9913 user_data = g_new0 (gpointer, 3);
9914 user_data [0] = mono_domain_get ();
9915 user_data [1] = acfg;
9916 user_data [2] = frag;
9918 thread_handle = mono_threads_create_thread (compile_thread_main, (gpointer) user_data, NULL, NULL);
9919 g_ptr_array_add (threads, thread_handle);
9923 for (i = 0; i < threads->len; ++i) {
9924 mono_thread_info_wait_one_handle (g_ptr_array_index (threads, i), INFINITE, FALSE);
9925 mono_threads_close_thread_handle (g_ptr_array_index (threads, i));
9931 /* Compile methods added by compile_method () or all methods if nthreads == 0 */
9932 for (i = methods_len; i < acfg->methods->len; ++i) {
9933 /* This can new methods to acfg->methods */
9934 compile_method (acfg, (MonoMethod *)g_ptr_array_index (acfg->methods, i));
9939 compile_asm (MonoAotCompile *acfg)
9941 char *command, *objfile;
9942 char *outfile_name, *tmp_outfile_name, *llvm_ofile;
9943 const char *tool_prefix = acfg->aot_opts.tool_prefix ? acfg->aot_opts.tool_prefix : "";
9944 char *ld_flags = acfg->aot_opts.ld_flags ? acfg->aot_opts.ld_flags : g_strdup("");
9946 #ifdef TARGET_WIN32_MSVC
9947 #define AS_OPTIONS "-c -x assembler"
9948 #elif defined(TARGET_AMD64) && !defined(TARGET_MACH)
9949 #define AS_OPTIONS "--64"
9950 #elif defined(TARGET_POWERPC64)
9951 #define AS_OPTIONS "-a64 -mppc64"
9952 #elif defined(sparc) && SIZEOF_VOID_P == 8
9953 #define AS_OPTIONS "-xarch=v9"
9954 #elif defined(TARGET_X86) && defined(TARGET_MACH) && !defined(__native_client_codegen__)
9955 #define AS_OPTIONS "-arch i386"
9957 #define AS_OPTIONS ""
9960 #ifdef __native_client_codegen__
9961 #if defined(TARGET_AMD64)
9962 #define AS_NAME "nacl64-as"
9964 #define AS_NAME "nacl-as"
9966 #elif defined(TARGET_OSX)
9967 #define AS_NAME "clang"
9968 #elif defined(TARGET_WIN32_MSVC)
9969 #define AS_NAME "clang.exe"
9971 #define AS_NAME "as"
9974 #ifdef TARGET_WIN32_MSVC
9975 #define AS_OBJECT_FILE_SUFFIX "obj"
9977 #define AS_OBJECT_FILE_SUFFIX "o"
9981 #define LD_NAME "ld"
9982 #define LD_OPTIONS "-shared -G"
9983 #elif defined(__ppc__) && defined(TARGET_MACH)
9984 #define LD_NAME "gcc"
9985 #define LD_OPTIONS "-dynamiclib"
9986 #elif defined(TARGET_AMD64) && defined(TARGET_MACH)
9987 #define LD_NAME "clang"
9988 #define LD_OPTIONS "--shared"
9989 #elif defined(TARGET_WIN32_MSVC)
9990 #define LD_NAME "link.exe"
9991 #define LD_OPTIONS "/DLL /MACHINE:X64 /NOLOGO"
9992 #elif defined(TARGET_WIN32) && !defined(TARGET_ANDROID)
9993 #define LD_NAME "gcc"
9994 #define LD_OPTIONS "-shared"
9995 #elif defined(TARGET_X86) && defined(TARGET_MACH) && !defined(__native_client_codegen__)
9996 #define LD_NAME "clang"
9997 #define LD_OPTIONS "-m32 -dynamiclib"
9998 #elif defined(TARGET_ARM) && !defined(TARGET_ANDROID)
9999 #define LD_NAME "gcc"
10000 #define LD_OPTIONS "--shared"
10001 #elif defined(TARGET_POWERPC64)
10002 #define LD_OPTIONS "-m elf64ppc"
10006 #define LD_OPTIONS ""
10009 if (acfg->aot_opts.asm_only) {
10010 aot_printf (acfg, "Output file: '%s'.\n", acfg->tmpfname);
10011 if (acfg->aot_opts.static_link)
10012 aot_printf (acfg, "Linking symbol: '%s'.\n", acfg->static_linking_symbol);
10014 aot_printf (acfg, "LLVM output file: '%s'.\n", acfg->llvm_sfile);
10018 if (acfg->aot_opts.static_link) {
10019 if (acfg->aot_opts.outfile)
10020 objfile = g_strdup_printf ("%s", acfg->aot_opts.outfile);
10022 objfile = g_strdup_printf ("%s." AS_OBJECT_FILE_SUFFIX, acfg->image->name);
10024 objfile = g_strdup_printf ("%s." AS_OBJECT_FILE_SUFFIX, acfg->tmpfname);
10028 g_string_append (acfg->as_args, "-c -x assembler");
10031 command = g_strdup_printf ("\"%s%s\" %s %s -o %s %s", tool_prefix, AS_NAME, AS_OPTIONS,
10032 acfg->as_args ? acfg->as_args->str : "",
10033 wrap_path (objfile), wrap_path (acfg->tmpfname));
10034 aot_printf (acfg, "Executing the native assembler: %s\n", command);
10035 if (execute_system (command) != 0) {
10041 if (acfg->llvm && !acfg->llvm_owriter) {
10042 command = g_strdup_printf ("\"%s%s\" %s %s -o %s %s", tool_prefix, AS_NAME, AS_OPTIONS,
10043 acfg->as_args ? acfg->as_args->str : "",
10044 wrap_path (acfg->llvm_ofile), wrap_path (acfg->llvm_sfile));
10045 aot_printf (acfg, "Executing the native assembler: %s\n", command);
10046 if (execute_system (command) != 0) {
10055 if (acfg->aot_opts.static_link) {
10056 aot_printf (acfg, "Output file: '%s'.\n", objfile);
10057 aot_printf (acfg, "Linking symbol: '%s'.\n", acfg->static_linking_symbol);
10062 if (acfg->aot_opts.outfile)
10063 outfile_name = g_strdup_printf ("%s", acfg->aot_opts.outfile);
10065 outfile_name = g_strdup_printf ("%s%s", acfg->image->name, MONO_SOLIB_EXT);
10067 tmp_outfile_name = g_strdup_printf ("%s.tmp", outfile_name);
10070 llvm_ofile = g_strdup_printf ("\"%s\"", acfg->llvm_ofile);
10072 llvm_ofile = g_strdup ("");
10075 /* replace the ; flags separators with spaces */
10076 g_strdelimit (ld_flags, ";", ' ');
10078 if (acfg->aot_opts.llvm_only)
10079 ld_flags = g_strdup_printf ("%s %s", ld_flags, "-lstdc++");
10081 #ifdef TARGET_WIN32_MSVC
10082 g_assert (tmp_outfile_name != NULL);
10083 g_assert (objfile != NULL);
10084 command = g_strdup_printf ("\"%s%s\" %s %s /OUT:\"%s\" \"%s\"", tool_prefix, LD_NAME, LD_OPTIONS,
10085 ld_flags, tmp_outfile_name, objfile);
10086 #elif defined(LD_NAME)
10087 command = g_strdup_printf ("%s%s %s -o %s %s %s %s", tool_prefix, LD_NAME, LD_OPTIONS,
10088 wrap_path (tmp_outfile_name), wrap_path (llvm_ofile),
10089 wrap_path (g_strdup_printf ("%s." AS_OBJECT_FILE_SUFFIX, acfg->tmpfname)), ld_flags);
10092 if (acfg->aot_opts.tool_prefix) {
10093 /* Cross compiling */
10094 command = g_strdup_printf ("\"%sld\" %s -shared -o %s %s %s %s", tool_prefix, LD_OPTIONS,
10095 wrap_path (tmp_outfile_name), wrap_path (llvm_ofile),
10096 wrap_path (g_strdup_printf ("%s." AS_OBJECT_FILE_SUFFIX, acfg->tmpfname)), ld_flags);
10098 char *args = g_strdup_printf ("%s -shared -o %s %s %s %s", LD_OPTIONS,
10099 wrap_path (tmp_outfile_name), wrap_path (llvm_ofile),
10100 wrap_path (g_strdup_printf ("%s." AS_OBJECT_FILE_SUFFIX, acfg->tmpfname)), ld_flags);
10103 command = g_strdup_printf ("clang++ %s", args);
10105 command = g_strdup_printf ("\"%sld\" %s", tool_prefix, args);
10110 aot_printf (acfg, "Executing the native linker: %s\n", command);
10111 if (execute_system (command) != 0) {
10112 g_free (tmp_outfile_name);
10113 g_free (outfile_name);
10122 /*com = g_strdup_printf ("strip --strip-unneeded %s%s", acfg->image->name, MONO_SOLIB_EXT);
10123 printf ("Stripping the binary: %s\n", com);
10124 execute_system (com);
10127 #if defined(TARGET_ARM) && !defined(TARGET_MACH)
10129 * gas generates 'mapping symbols' each time code and data is mixed, which
10130 * happens a lot in emit_and_reloc_code (), so we need to get rid of them.
10132 command = g_strdup_printf ("\"%sstrip\" --strip-symbol=\\$a --strip-symbol=\\$d %s", wrap_path(tool_prefix), wrap_path(tmp_outfile_name));
10133 aot_printf (acfg, "Stripping the binary: %s\n", command);
10134 if (execute_system (command) != 0) {
10135 g_free (tmp_outfile_name);
10136 g_free (outfile_name);
10143 if (0 != rename (tmp_outfile_name, outfile_name)) {
10144 if (G_FILE_ERROR_EXIST == g_file_error_from_errno (errno)) {
10145 /* Since we are rebuilding the module we need to be able to replace any old copies. Remove old file and retry rename operation. */
10146 unlink (outfile_name);
10147 rename (tmp_outfile_name, outfile_name);
10151 #if defined(TARGET_MACH)
10152 command = g_strdup_printf ("dsymutil \"%s\"", outfile_name);
10153 aot_printf (acfg, "Executing dsymutil: %s\n", command);
10154 if (execute_system (command) != 0) {
10159 if (!acfg->aot_opts.save_temps)
10162 g_free (tmp_outfile_name);
10163 g_free (outfile_name);
10166 if (acfg->aot_opts.save_temps)
10167 aot_printf (acfg, "Retained input file.\n");
10169 unlink (acfg->tmpfname);
10174 static void init_got_info (GotInfo *info)
10178 info->patch_to_got_offset = g_hash_table_new (mono_patch_info_hash, mono_patch_info_equal);
10179 info->patch_to_got_offset_by_type = g_new0 (GHashTable*, MONO_PATCH_INFO_NUM);
10180 for (i = 0; i < MONO_PATCH_INFO_NUM; ++i)
10181 info->patch_to_got_offset_by_type [i] = g_hash_table_new (mono_patch_info_hash, mono_patch_info_equal);
10182 info->got_patches = g_ptr_array_new ();
10185 static MonoAotCompile*
10186 acfg_create (MonoAssembly *ass, guint32 opts)
10188 MonoImage *image = ass->image;
10189 MonoAotCompile *acfg;
10191 acfg = g_new0 (MonoAotCompile, 1);
10192 acfg->methods = g_ptr_array_new ();
10193 acfg->method_indexes = g_hash_table_new (NULL, NULL);
10194 acfg->method_depth = g_hash_table_new (NULL, NULL);
10195 acfg->plt_offset_to_entry = g_hash_table_new (NULL, NULL);
10196 acfg->patch_to_plt_entry = g_new0 (GHashTable*, MONO_PATCH_INFO_NUM);
10197 acfg->method_to_cfg = g_hash_table_new (NULL, NULL);
10198 acfg->token_info_hash = g_hash_table_new_full (NULL, NULL, NULL, NULL);
10199 acfg->method_to_pinvoke_import = g_hash_table_new_full (NULL, NULL, NULL, g_free);
10200 acfg->image_hash = g_hash_table_new (NULL, NULL);
10201 acfg->image_table = g_ptr_array_new ();
10202 acfg->globals = g_ptr_array_new ();
10203 acfg->image = image;
10205 /* TODO: Write out set of SIMD instructions used, rather than just those available */
10206 acfg->simd_opts = mono_arch_cpu_enumerate_simd_versions ();
10207 acfg->mempool = mono_mempool_new ();
10208 acfg->extra_methods = g_ptr_array_new ();
10209 acfg->unwind_info_offsets = g_hash_table_new (NULL, NULL);
10210 acfg->unwind_ops = g_ptr_array_new ();
10211 acfg->method_label_hash = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, NULL);
10212 acfg->method_order = g_ptr_array_new ();
10213 acfg->export_names = g_hash_table_new (NULL, NULL);
10214 acfg->klass_blob_hash = g_hash_table_new (NULL, NULL);
10215 acfg->method_blob_hash = g_hash_table_new (NULL, NULL);
10216 acfg->plt_entry_debug_sym_cache = g_hash_table_new (g_str_hash, g_str_equal);
10217 acfg->gsharedvt_in_signatures = g_hash_table_new ((GHashFunc)mono_signature_hash, (GEqualFunc)mono_metadata_signature_equal);
10218 acfg->gsharedvt_out_signatures = g_hash_table_new ((GHashFunc)mono_signature_hash, (GEqualFunc)mono_metadata_signature_equal);
10219 mono_os_mutex_init_recursive (&acfg->mutex);
10221 init_got_info (&acfg->got_info);
10222 init_got_info (&acfg->llvm_got_info);
10228 got_info_free (GotInfo *info)
10232 for (i = 0; i < MONO_PATCH_INFO_NUM; ++i)
10233 g_hash_table_destroy (info->patch_to_got_offset_by_type [i]);
10234 g_free (info->patch_to_got_offset_by_type);
10235 g_hash_table_destroy (info->patch_to_got_offset);
10236 g_ptr_array_free (info->got_patches, TRUE);
10240 acfg_free (MonoAotCompile *acfg)
10244 mono_img_writer_destroy (acfg->w);
10245 for (i = 0; i < acfg->nmethods; ++i)
10246 if (acfg->cfgs [i])
10247 mono_destroy_compile (acfg->cfgs [i]);
10249 g_free (acfg->cfgs);
10251 g_free (acfg->static_linking_symbol);
10252 g_free (acfg->got_symbol);
10253 g_free (acfg->plt_symbol);
10254 g_ptr_array_free (acfg->methods, TRUE);
10255 g_ptr_array_free (acfg->image_table, TRUE);
10256 g_ptr_array_free (acfg->globals, TRUE);
10257 g_ptr_array_free (acfg->unwind_ops, TRUE);
10258 g_hash_table_destroy (acfg->method_indexes);
10259 g_hash_table_destroy (acfg->method_depth);
10260 g_hash_table_destroy (acfg->plt_offset_to_entry);
10261 for (i = 0; i < MONO_PATCH_INFO_NUM; ++i) {
10262 if (acfg->patch_to_plt_entry [i])
10263 g_hash_table_destroy (acfg->patch_to_plt_entry [i]);
10265 g_free (acfg->patch_to_plt_entry);
10266 g_hash_table_destroy (acfg->method_to_cfg);
10267 g_hash_table_destroy (acfg->token_info_hash);
10268 g_hash_table_destroy (acfg->method_to_pinvoke_import);
10269 g_hash_table_destroy (acfg->image_hash);
10270 g_hash_table_destroy (acfg->unwind_info_offsets);
10271 g_hash_table_destroy (acfg->method_label_hash);
10272 if (acfg->typespec_classes)
10273 g_hash_table_destroy (acfg->typespec_classes);
10274 g_hash_table_destroy (acfg->export_names);
10275 g_hash_table_destroy (acfg->plt_entry_debug_sym_cache);
10276 g_hash_table_destroy (acfg->klass_blob_hash);
10277 g_hash_table_destroy (acfg->method_blob_hash);
10278 got_info_free (&acfg->got_info);
10279 got_info_free (&acfg->llvm_got_info);
10280 mono_mempool_destroy (acfg->mempool);
10284 #define WRAPPER(e,n) n,
10285 static const char* const
10286 wrapper_type_names [MONO_WRAPPER_NUM + 1] = {
10287 #include "mono/metadata/wrapper-types.h"
10291 static G_GNUC_UNUSED const char*
10292 get_wrapper_type_name (int type)
10294 return wrapper_type_names [type];
10300 static void aot_dump (MonoAotCompile *acfg)
10306 mono_json_writer_init (&writer);
10308 mono_json_writer_object_begin(&writer);
10311 mono_json_writer_indent (&writer);
10312 mono_json_writer_object_key(&writer, "methods");
10313 mono_json_writer_array_begin (&writer);
10316 for (i = 0; i < acfg->nmethods; ++i) {
10318 MonoMethod *method;
10321 cfg = acfg->cfgs [i];
10325 method = cfg->orig_method;
10327 mono_json_writer_indent (&writer);
10328 mono_json_writer_object_begin(&writer);
10330 mono_json_writer_indent (&writer);
10331 mono_json_writer_object_key(&writer, "name");
10332 mono_json_writer_printf (&writer, "\"%s\",\n", method->name);
10334 mono_json_writer_indent (&writer);
10335 mono_json_writer_object_key(&writer, "signature");
10336 mono_json_writer_printf (&writer, "\"%s\",\n", mono_method_get_full_name (method));
10338 mono_json_writer_indent (&writer);
10339 mono_json_writer_object_key(&writer, "code_size");
10340 mono_json_writer_printf (&writer, "\"%d\",\n", cfg->code_size);
10342 klass = method->klass;
10344 mono_json_writer_indent (&writer);
10345 mono_json_writer_object_key(&writer, "class");
10346 mono_json_writer_printf (&writer, "\"%s\",\n", klass->name);
10348 mono_json_writer_indent (&writer);
10349 mono_json_writer_object_key(&writer, "namespace");
10350 mono_json_writer_printf (&writer, "\"%s\",\n", klass->name_space);
10352 mono_json_writer_indent (&writer);
10353 mono_json_writer_object_key(&writer, "wrapper_type");
10354 mono_json_writer_printf (&writer, "\"%s\",\n", get_wrapper_type_name(method->wrapper_type));
10356 mono_json_writer_indent_pop (&writer);
10357 mono_json_writer_indent (&writer);
10358 mono_json_writer_object_end (&writer);
10359 mono_json_writer_printf (&writer, ",\n");
10362 mono_json_writer_indent_pop (&writer);
10363 mono_json_writer_indent (&writer);
10364 mono_json_writer_array_end (&writer);
10365 mono_json_writer_printf (&writer, ",\n");
10369 mono_json_writer_indent_push (&writer);
10370 mono_json_writer_indent (&writer);
10371 mono_json_writer_object_key(&writer, "plt");
10372 mono_json_writer_array_begin (&writer);
10374 for (i = 0; i < acfg->plt_offset; ++i) {
10375 MonoPltEntry *plt_entry = NULL;
10380 * The first plt entry is unused.
10384 plt_entry = g_hash_table_lookup (acfg->plt_offset_to_entry, GUINT_TO_POINTER (i));
10385 ji = plt_entry->ji;
10387 mono_json_writer_indent (&writer);
10388 mono_json_writer_printf (&writer, "{ ");
10389 mono_json_writer_object_key(&writer, "symbol");
10390 mono_json_writer_printf (&writer, "\"%s\" },\n", plt_entry->symbol);
10393 mono_json_writer_indent_pop (&writer);
10394 mono_json_writer_indent (&writer);
10395 mono_json_writer_array_end (&writer);
10396 mono_json_writer_printf (&writer, ",\n");
10401 mono_json_writer_indent_push (&writer);
10402 mono_json_writer_indent (&writer);
10403 mono_json_writer_object_key(&writer, "got");
10404 mono_json_writer_array_begin (&writer);
10406 mono_json_writer_indent_push (&writer);
10407 for (i = 0; i < acfg->got_info.got_patches->len; ++i) {
10408 MonoJumpInfo *ji = g_ptr_array_index (acfg->got_info.got_patches, i);
10410 mono_json_writer_indent (&writer);
10411 mono_json_writer_printf (&writer, "{ ");
10412 mono_json_writer_object_key(&writer, "patch_name");
10413 mono_json_writer_printf (&writer, "\"%s\" },\n", get_patch_name (ji->type));
10416 mono_json_writer_indent_pop (&writer);
10417 mono_json_writer_indent (&writer);
10418 mono_json_writer_array_end (&writer);
10419 mono_json_writer_printf (&writer, ",\n");
10422 mono_json_writer_indent_pop (&writer);
10423 mono_json_writer_indent (&writer);
10424 mono_json_writer_object_end (&writer);
10426 dumpname = g_strdup_printf ("%s.json", g_path_get_basename (acfg->image->name));
10427 dumpfile = fopen (dumpname, "w+");
10430 fprintf (dumpfile, "%s", writer.text->str);
10433 mono_json_writer_destroy (&writer);
10436 static const char *preinited_jit_icalls[] = {
10437 "mono_aot_init_llvm_method",
10438 "mono_aot_init_gshared_method_this",
10439 "mono_aot_init_gshared_method_mrgctx",
10440 "mono_aot_init_gshared_method_vtable",
10441 "mono_llvm_throw_corlib_exception",
10442 "mono_init_vtable_slot",
10443 "mono_helper_ldstr_mscorlib"
10447 add_preinit_got_slots (MonoAotCompile *acfg)
10453 * Allocate the first few GOT entries to information which is needed frequently, or it is needed
10454 * during method initialization etc.
10457 ji = (MonoJumpInfo *)mono_mempool_alloc0 (acfg->mempool, sizeof (MonoJumpInfo));
10458 ji->type = MONO_PATCH_INFO_IMAGE;
10459 ji->data.image = acfg->image;
10460 get_got_offset (acfg, FALSE, ji);
10461 get_got_offset (acfg, TRUE, ji);
10463 ji = (MonoJumpInfo *)mono_mempool_alloc0 (acfg->mempool, sizeof (MonoJumpInfo));
10464 ji->type = MONO_PATCH_INFO_MSCORLIB_GOT_ADDR;
10465 get_got_offset (acfg, FALSE, ji);
10466 get_got_offset (acfg, TRUE, ji);
10468 ji = (MonoJumpInfo *)mono_mempool_alloc0 (acfg->mempool, sizeof (MonoJumpInfo));
10469 ji->type = MONO_PATCH_INFO_GC_CARD_TABLE_ADDR;
10470 get_got_offset (acfg, FALSE, ji);
10471 get_got_offset (acfg, TRUE, ji);
10473 ji = (MonoJumpInfo *)mono_mempool_alloc0 (acfg->mempool, sizeof (MonoJumpInfo));
10474 ji->type = MONO_PATCH_INFO_GC_NURSERY_START;
10475 get_got_offset (acfg, FALSE, ji);
10476 get_got_offset (acfg, TRUE, ji);
10478 ji = (MonoJumpInfo *)mono_mempool_alloc0 (acfg->mempool, sizeof (MonoJumpInfo));
10479 ji->type = MONO_PATCH_INFO_JIT_TLS_ID;
10480 get_got_offset (acfg, FALSE, ji);
10481 get_got_offset (acfg, TRUE, ji);
10483 ji = (MonoJumpInfo *)mono_mempool_alloc0 (acfg->mempool, sizeof (MonoJumpInfo));
10484 ji->type = MONO_PATCH_INFO_AOT_MODULE;
10485 get_got_offset (acfg, FALSE, ji);
10486 get_got_offset (acfg, TRUE, ji);
10488 ji = (MonoJumpInfo *)mono_mempool_alloc0 (acfg->mempool, sizeof (MonoJumpInfo));
10489 ji->type = MONO_PATCH_INFO_GC_NURSERY_BITS;
10490 get_got_offset (acfg, FALSE, ji);
10491 get_got_offset (acfg, TRUE, ji);
10493 ji = (MonoJumpInfo *)mono_mempool_alloc0 (acfg->mempool, sizeof (MonoJumpInfo));
10494 ji->type = MONO_PATCH_INFO_GET_TLS_TRAMP;
10495 get_got_offset (acfg, FALSE, ji);
10496 get_got_offset (acfg, TRUE, ji);
10498 for (i = 0; i < sizeof (preinited_jit_icalls) / sizeof (char*); ++i) {
10499 ji = (MonoJumpInfo *)mono_mempool_alloc0 (acfg->mempool, sizeof (MonoAotCompile));
10500 ji->type = MONO_PATCH_INFO_INTERNAL_METHOD;
10501 ji->data.name = preinited_jit_icalls [i];
10502 get_got_offset (acfg, FALSE, ji);
10503 get_got_offset (acfg, TRUE, ji);
10506 acfg->nshared_got_entries = acfg->got_offset;
10510 mono_compile_assembly (MonoAssembly *ass, guint32 opts, const char *aot_options)
10512 MonoImage *image = ass->image;
10515 MonoAotCompile *acfg;
10516 char *outfile_name, *tmp_outfile_name, *p;
10517 char llvm_stats_msg [256];
10521 acfg = acfg_create (ass, opts);
10523 memset (&acfg->aot_opts, 0, sizeof (acfg->aot_opts));
10524 acfg->aot_opts.write_symbols = TRUE;
10525 acfg->aot_opts.ntrampolines = 4096;
10526 acfg->aot_opts.nrgctx_trampolines = 4096;
10527 acfg->aot_opts.nimt_trampolines = 512;
10528 acfg->aot_opts.nrgctx_fetch_trampolines = 128;
10529 acfg->aot_opts.ngsharedvt_arg_trampolines = 512;
10530 acfg->aot_opts.llvm_path = g_strdup ("");
10531 acfg->aot_opts.temp_path = g_strdup ("");
10533 acfg->aot_opts.use_trampolines_page = TRUE;
10536 mono_aot_parse_options (aot_options, &acfg->aot_opts);
10538 if (acfg->aot_opts.logfile) {
10539 acfg->logfile = fopen (acfg->aot_opts.logfile, "a+");
10542 if (acfg->aot_opts.data_outfile) {
10543 acfg->data_outfile = fopen (acfg->aot_opts.data_outfile, "w+");
10544 if (!acfg->data_outfile) {
10545 aot_printerrf (acfg, "Unable to create file '%s': %s\n", acfg->aot_opts.data_outfile, strerror (errno));
10548 acfg->flags = (MonoAotFileFlags)(acfg->flags | MONO_AOT_FILE_FLAG_SEPARATE_DATA);
10551 //acfg->aot_opts.print_skipped_methods = TRUE;
10553 #if !defined(MONO_ARCH_GSHAREDVT_SUPPORTED)
10554 if (acfg->opts & MONO_OPT_GSHAREDVT) {
10555 aot_printerrf (acfg, "-O=gsharedvt not supported on this platform.\n");
10558 if (acfg->aot_opts.llvm_only) {
10559 aot_printerrf (acfg, "--aot=llvmonly requires a runtime that supports gsharedvt.\n");
10563 if (acfg->aot_opts.llvm_only || mono_aot_mode_is_full (&acfg->aot_opts) || mono_aot_mode_is_hybrid (&acfg->aot_opts))
10564 acfg->opts |= MONO_OPT_GSHAREDVT;
10567 #if !defined(ENABLE_LLVM)
10568 if (acfg->aot_opts.llvm_only) {
10569 aot_printerrf (acfg, "--aot=llvmonly requires a runtime compiled with llvm support.\n");
10574 if (acfg->opts & MONO_OPT_GSHAREDVT)
10575 mono_set_generic_sharing_vt_supported (TRUE);
10577 aot_printf (acfg, "Mono Ahead of Time compiler - compiling assembly %s\n", image->name);
10579 generate_aotid ((guint8*) &acfg->image->aotid);
10581 char *aotid = mono_guid_to_string (acfg->image->aotid);
10582 aot_printf (acfg, "AOTID %s\n", aotid);
10585 #ifndef MONO_ARCH_HAVE_FULL_AOT_TRAMPOLINES
10586 if (mono_aot_mode_is_full (&acfg->aot_opts)) {
10587 aot_printerrf (acfg, "--aot=full is not supported on this platform.\n");
10592 if (acfg->aot_opts.direct_pinvoke && !acfg->aot_opts.static_link) {
10593 aot_printerrf (acfg, "The 'direct-pinvoke' AOT option also requires the 'static' AOT option.\n");
10597 if (acfg->aot_opts.static_link)
10598 acfg->aot_opts.asm_writer = TRUE;
10600 if (acfg->aot_opts.soft_debug) {
10601 MonoDebugOptions *opt = mini_get_debug_options ();
10603 opt->mdb_optimizations = TRUE;
10604 opt->gen_sdb_seq_points = TRUE;
10606 if (!mono_debug_enabled ()) {
10607 aot_printerrf (acfg, "The soft-debug AOT option requires the --debug option.\n");
10610 acfg->flags = (MonoAotFileFlags)(acfg->flags | MONO_AOT_FILE_FLAG_DEBUG);
10613 if (mono_use_llvm || acfg->aot_opts.llvm) {
10615 acfg->aot_opts.asm_writer = TRUE;
10616 acfg->flags = (MonoAotFileFlags)(acfg->flags | MONO_AOT_FILE_FLAG_WITH_LLVM);
10618 if (acfg->aot_opts.soft_debug) {
10619 aot_printerrf (acfg, "The 'soft-debug' option is not supported when compiling with LLVM.\n");
10625 if (acfg->aot_opts.asm_only && !acfg->aot_opts.llvm_outfile) {
10626 aot_printerrf (acfg, "Compiling with LLVM and the asm-only option requires the llvm-outfile= option.\n");
10631 if (mono_aot_mode_is_full (&acfg->aot_opts))
10632 acfg->flags = (MonoAotFileFlags)(acfg->flags | MONO_AOT_FILE_FLAG_FULL_AOT);
10634 if (mono_threads_is_coop_enabled ())
10635 acfg->flags = (MonoAotFileFlags)(acfg->flags | MONO_AOT_FILE_FLAG_SAFEPOINTS);
10637 if (acfg->aot_opts.instances_logfile_path) {
10638 acfg->instances_logfile = fopen (acfg->aot_opts.instances_logfile_path, "w");
10639 if (!acfg->instances_logfile) {
10640 aot_printerrf (acfg, "Unable to create logfile: '%s'.\n", acfg->aot_opts.instances_logfile_path);
10645 load_profile_files (acfg);
10647 acfg->num_trampolines [MONO_AOT_TRAMP_SPECIFIC] = mono_aot_mode_is_full (&acfg->aot_opts) ? acfg->aot_opts.ntrampolines : 0;
10648 #ifdef MONO_ARCH_GSHARED_SUPPORTED
10649 acfg->num_trampolines [MONO_AOT_TRAMP_STATIC_RGCTX] = mono_aot_mode_is_full (&acfg->aot_opts) ? acfg->aot_opts.nrgctx_trampolines : 0;
10651 acfg->num_trampolines [MONO_AOT_TRAMP_IMT] = mono_aot_mode_is_full (&acfg->aot_opts) ? acfg->aot_opts.nimt_trampolines : 0;
10652 #ifdef MONO_ARCH_GSHAREDVT_SUPPORTED
10653 if (acfg->opts & MONO_OPT_GSHAREDVT)
10654 acfg->num_trampolines [MONO_AOT_TRAMP_GSHAREDVT_ARG] = mono_aot_mode_is_full (&acfg->aot_opts) ? acfg->aot_opts.ngsharedvt_arg_trampolines : 0;
10657 acfg->temp_prefix = mono_img_writer_get_temp_label_prefix (NULL);
10661 if (mono_use_llvm || acfg->aot_opts.llvm) {
10664 * Emit all LLVM code into a separate assembly/object file and link with it
10667 if (!acfg->aot_opts.asm_only && acfg->llvm_owriter_supported) {
10668 acfg->llvm_owriter = TRUE;
10669 } else if (acfg->aot_opts.llvm_outfile) {
10670 int len = strlen (acfg->aot_opts.llvm_outfile);
10672 if (len >= 2 && acfg->aot_opts.llvm_outfile [len - 2] == '.' && acfg->aot_opts.llvm_outfile [len - 1] == 'o')
10673 acfg->llvm_owriter = TRUE;
10677 if (acfg->llvm && acfg->thumb_mixed)
10678 acfg->flags = (MonoAotFileFlags)(acfg->flags | MONO_AOT_FILE_FLAG_LLVM_THUMB);
10679 if (acfg->aot_opts.llvm_only)
10680 acfg->flags = (MonoAotFileFlags)(acfg->flags | MONO_AOT_FILE_FLAG_LLVM_ONLY);
10682 acfg->assembly_name_sym = g_strdup (acfg->image->assembly->aname.name);
10683 /* Get rid of characters which cannot occur in symbols */
10684 for (p = acfg->assembly_name_sym; *p; ++p) {
10685 if (!(isalnum (*p) || *p == '_'))
10689 acfg->global_prefix = g_strdup_printf ("mono_aot_%s", acfg->assembly_name_sym);
10690 acfg->plt_symbol = g_strdup_printf ("%s_plt", acfg->global_prefix);
10691 acfg->got_symbol = g_strdup_printf ("%s_got", acfg->global_prefix);
10693 acfg->llvm_got_symbol = g_strdup_printf ("%s_llvm_got", acfg->global_prefix);
10694 acfg->llvm_eh_frame_symbol = g_strdup_printf ("%s_eh_frame", acfg->global_prefix);
10697 acfg->method_index = 1;
10699 if (mono_aot_mode_is_full (&acfg->aot_opts) || mono_aot_mode_is_hybrid (&acfg->aot_opts))
10700 mono_set_partial_sharing_supported (TRUE);
10702 res = collect_methods (acfg);
10706 acfg->cfgs_size = acfg->methods->len + 32;
10707 acfg->cfgs = g_new0 (MonoCompile*, acfg->cfgs_size);
10709 /* PLT offset 0 is reserved for the PLT trampoline */
10710 acfg->plt_offset = 1;
10711 add_preinit_got_slots (acfg);
10716 mono_llvm_create_aot_module (acfg->image->assembly, acfg->global_prefix, TRUE, acfg->aot_opts.static_link, acfg->aot_opts.llvm_only);
10722 compile_methods (acfg);
10726 acfg->stats.jit_time = TV_ELAPSED (atv, btv);
10732 if (acfg->aot_opts.asm_only) {
10733 if (acfg->aot_opts.outfile) {
10734 acfg->tmpfname = g_strdup_printf ("%s", acfg->aot_opts.outfile);
10735 acfg->tmpbasename = g_strdup (acfg->tmpfname);
10737 acfg->tmpbasename = g_strdup_printf ("%s", acfg->image->name);
10738 acfg->tmpfname = g_strdup_printf ("%s.s", acfg->tmpbasename);
10740 g_assert (acfg->aot_opts.llvm_outfile);
10741 acfg->llvm_sfile = g_strdup (acfg->aot_opts.llvm_outfile);
10742 if (acfg->llvm_owriter)
10743 acfg->llvm_ofile = g_strdup (acfg->aot_opts.llvm_outfile);
10745 acfg->llvm_sfile = g_strdup (acfg->aot_opts.llvm_outfile);
10747 acfg->tmpbasename = (strcmp (acfg->aot_opts.temp_path, "") == 0) ?
10748 g_strdup_printf ("%s", "temp") :
10749 g_build_filename (acfg->aot_opts.temp_path, "temp", NULL);
10751 acfg->tmpfname = g_strdup_printf ("%s.s", acfg->tmpbasename);
10752 acfg->llvm_sfile = g_strdup_printf ("%s-llvm.s", acfg->tmpbasename);
10753 acfg->llvm_ofile = g_strdup_printf ("%s-llvm.o", acfg->tmpbasename);
10758 if (acfg->aot_opts.asm_only && !acfg->aot_opts.llvm_only) {
10759 if (acfg->aot_opts.outfile)
10760 acfg->tmpfname = g_strdup_printf ("%s", acfg->aot_opts.outfile);
10762 acfg->tmpfname = g_strdup_printf ("%s.s", acfg->image->name);
10763 acfg->fp = fopen (acfg->tmpfname, "w+");
10765 int i = g_file_open_tmp ("mono_aot_XXXXXX", &acfg->tmpfname, NULL);
10766 acfg->fp = fdopen (i, "w+");
10768 if (acfg->fp == 0 && !acfg->aot_opts.llvm_only) {
10769 aot_printerrf (acfg, "Unable to open file '%s': %s\n", acfg->tmpfname, strerror (errno));
10773 acfg->w = mono_img_writer_create (acfg->fp, FALSE);
10775 tmp_outfile_name = NULL;
10776 outfile_name = NULL;
10778 /* Compute symbols for methods */
10779 for (i = 0; i < acfg->nmethods; ++i) {
10780 if (acfg->cfgs [i]) {
10781 MonoCompile *cfg = acfg->cfgs [i];
10782 int method_index = get_method_index (acfg, cfg->orig_method);
10784 if (COMPILE_LLVM (cfg))
10785 cfg->asm_symbol = g_strdup_printf ("%s%s", acfg->llvm_label_prefix, cfg->llvm_method_name);
10786 else if (acfg->global_symbols || acfg->llvm)
10787 cfg->asm_symbol = get_debug_sym (cfg->orig_method, "", acfg->method_label_hash);
10789 cfg->asm_symbol = g_strdup_printf ("%s%sm_%x", acfg->temp_prefix, acfg->llvm_label_prefix, method_index);
10790 cfg->asm_debug_symbol = cfg->asm_symbol;
10794 if (acfg->aot_opts.dwarf_debug && acfg->aot_opts.gnu_asm) {
10796 * CLANG supports GAS .file/.loc directives, so emit line number information this way
10798 acfg->gas_line_numbers = TRUE;
10801 #ifdef EMIT_DWARF_INFO
10802 if ((!acfg->aot_opts.nodebug || acfg->aot_opts.dwarf_debug) && acfg->has_jitted_code) {
10803 if (acfg->aot_opts.dwarf_debug && !mono_debug_enabled ()) {
10804 aot_printerrf (acfg, "The dwarf AOT option requires the --debug option.\n");
10807 acfg->dwarf = mono_dwarf_writer_create (acfg->w, NULL, 0, !acfg->gas_line_numbers);
10809 #endif /* EMIT_DWARF_INFO */
10812 mono_img_writer_emit_start (acfg->w);
10815 mono_dwarf_writer_emit_base_info (acfg->dwarf, g_path_get_basename (acfg->image->name), mono_unwind_get_cie_program ());
10821 emit_extra_methods (acfg);
10823 emit_trampolines (acfg);
10825 emit_class_name_table (acfg);
10827 emit_got_info (acfg, FALSE);
10829 emit_got_info (acfg, TRUE);
10831 emit_exception_info (acfg);
10833 emit_unwind_info (acfg);
10835 emit_class_info (acfg);
10839 emit_image_table (acfg);
10845 * The managed allocators are GC specific, so can't use an AOT image created by one GC
10848 const char *gc_name = mono_gc_get_gc_name ();
10849 acfg->gc_name_offset = add_to_blob (acfg, (guint8*)gc_name, strlen (gc_name) + 1);
10854 emit_objc_selectors (acfg);
10856 emit_globals (acfg);
10858 emit_file_info (acfg);
10860 emit_library_info (acfg);
10863 emit_dwarf_info (acfg);
10864 mono_dwarf_writer_close (acfg->dwarf);
10867 emit_mem_end (acfg);
10869 if (acfg->need_pt_gnu_stack) {
10870 /* This is required so the .so doesn't have an executable stack */
10871 /* The bin writer already emits this */
10872 fprintf (acfg->fp, "\n.section .note.GNU-stack,\"\",@progbits\n");
10875 if (acfg->aot_opts.data_outfile)
10876 fclose (acfg->data_outfile);
10882 res = emit_llvm_file (acfg);
10890 acfg->stats.gen_time = TV_ELAPSED (atv, btv);
10893 sprintf (llvm_stats_msg, ", LLVM: %d (%d%%)", acfg->stats.llvm_count, acfg->stats.mcount ? (acfg->stats.llvm_count * 100) / acfg->stats.mcount : 100);
10895 strcpy (llvm_stats_msg, "");
10897 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;
10899 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",
10900 (int)acfg->stats.code_size, (int)(acfg->stats.code_size * 100 / all_sizes),
10901 (int)acfg->stats.info_size, (int)(acfg->stats.info_size * 100 / all_sizes),
10902 (int)acfg->stats.ex_info_size, (int)(acfg->stats.ex_info_size * 100 / all_sizes),
10903 (int)acfg->stats.unwind_info_size, (int)(acfg->stats.unwind_info_size * 100 / all_sizes),
10904 (int)acfg->stats.class_info_size, (int)(acfg->stats.class_info_size * 100 / all_sizes),
10905 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,
10906 (int)acfg->stats.got_info_size, (int)(acfg->stats.got_info_size * 100 / all_sizes),
10907 (int)acfg->stats.offsets_size, (int)(acfg->stats.offsets_size * 100 / all_sizes),
10908 (int)(acfg->got_offset * sizeof (gpointer)));
10909 aot_printf (acfg, "Compiled: %d/%d (%d%%)%s, No GOT slots: %d (%d%%), Direct calls: %d (%d%%)\n",
10910 acfg->stats.ccount, acfg->stats.mcount, acfg->stats.mcount ? (acfg->stats.ccount * 100) / acfg->stats.mcount : 100,
10912 acfg->stats.methods_without_got_slots, acfg->stats.mcount ? (acfg->stats.methods_without_got_slots * 100) / acfg->stats.mcount : 100,
10913 acfg->stats.direct_calls, acfg->stats.all_calls ? (acfg->stats.direct_calls * 100) / acfg->stats.all_calls : 100);
10914 if (acfg->stats.genericcount)
10915 aot_printf (acfg, "%d methods are generic (%d%%)\n", acfg->stats.genericcount, acfg->stats.mcount ? (acfg->stats.genericcount * 100) / acfg->stats.mcount : 100);
10916 if (acfg->stats.abscount)
10917 aot_printf (acfg, "%d methods contain absolute addresses (%d%%)\n", acfg->stats.abscount, acfg->stats.mcount ? (acfg->stats.abscount * 100) / acfg->stats.mcount : 100);
10918 if (acfg->stats.lmfcount)
10919 aot_printf (acfg, "%d methods contain lmf pointers (%d%%)\n", acfg->stats.lmfcount, acfg->stats.mcount ? (acfg->stats.lmfcount * 100) / acfg->stats.mcount : 100);
10920 if (acfg->stats.ocount)
10921 aot_printf (acfg, "%d methods have other problems (%d%%)\n", acfg->stats.ocount, acfg->stats.mcount ? (acfg->stats.ocount * 100) / acfg->stats.mcount : 100);
10925 res = mono_img_writer_emit_writeout (acfg->w);
10930 res = compile_asm (acfg);
10937 acfg->stats.link_time = TV_ELAPSED (atv, btv);
10939 if (acfg->aot_opts.stats) {
10942 aot_printf (acfg, "GOT slot distribution:\n");
10943 for (i = 0; i < MONO_PATCH_INFO_NUM; ++i)
10944 if (acfg->stats.got_slot_types [i])
10945 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]);
10946 aot_printf (acfg, "\nMethod stats:\n");
10947 aot_printf (acfg, "\tNormal: %d\n", acfg->stats.method_categories [METHOD_CAT_NORMAL]);
10948 aot_printf (acfg, "\tInstance: %d\n", acfg->stats.method_categories [METHOD_CAT_INST]);
10949 aot_printf (acfg, "\tGSharedvt: %d\n", acfg->stats.method_categories [METHOD_CAT_GSHAREDVT]);
10950 aot_printf (acfg, "\tWrapper: %d\n", acfg->stats.method_categories [METHOD_CAT_WRAPPER]);
10953 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);
10955 if (acfg->aot_opts.dump_json)
10968 mono_aot_readonly_field_override (MonoClassField *field)
10974 mono_compile_assembly (MonoAssembly *ass, guint32 opts, const char *aot_options)
10980 mono_aot_is_shared_got_offset (int offset)