2 * aot-compiler.c: mono Ahead of Time compiler
5 * Dietmar Maurer (dietmar@ximian.com)
6 * Zoltan Varga (vargaz@gmail.com)
8 * (C) 2002 Ximian, Inc.
9 * Copyright 2003-2011 Novell, Inc
10 * Copyright 2011 Xamarin Inc (http://www.xamarin.com)
11 * Licensed under the MIT license. See LICENSE file in the project root for full license information.
15 #include <sys/types.h>
35 #include <mono/metadata/abi-details.h>
36 #include <mono/metadata/tabledefs.h>
37 #include <mono/metadata/class.h>
38 #include <mono/metadata/object.h>
39 #include <mono/metadata/tokentype.h>
40 #include <mono/metadata/appdomain.h>
41 #include <mono/metadata/debug-helpers.h>
42 #include <mono/metadata/assembly.h>
43 #include <mono/metadata/metadata-internals.h>
44 #include <mono/metadata/reflection-internals.h>
45 #include <mono/metadata/marshal.h>
46 #include <mono/metadata/gc-internals.h>
47 #include <mono/metadata/mempool-internals.h>
48 #include <mono/metadata/mono-endian.h>
49 #include <mono/metadata/threads-types.h>
50 #include <mono/utils/mono-logger-internals.h>
51 #include <mono/utils/mono-compiler.h>
52 #include <mono/utils/mono-time.h>
53 #include <mono/utils/mono-mmap.h>
54 #include <mono/utils/mono-rand.h>
55 #include <mono/utils/json.h>
56 #include <mono/utils/mono-threads-coop.h>
58 #include "aot-compiler.h"
59 #include "seq-points.h"
60 #include "image-writer.h"
61 #include "dwarfwriter.h"
63 #include "mini-llvm.h"
65 #if !defined(DISABLE_AOT) && !defined(DISABLE_JIT)
67 #if defined(__linux__) || defined(__native_client_codegen__)
68 #define RODATA_SECT ".rodata"
69 #elif defined(TARGET_MACH)
70 #define RODATA_SECT ".section __TEXT, __const"
72 #define RODATA_SECT ".text"
75 #define TV_DECLARE(name) gint64 name
76 #define TV_GETTIME(tv) tv = mono_100ns_ticks ()
77 #define TV_ELAPSED(start,end) (((end) - (start)) / 10)
79 #define ALIGN_TO(val,align) ((((guint64)val) + ((align) - 1)) & ~((align) - 1))
80 #define ALIGN_PTR_TO(ptr,align) (gpointer)((((gssize)(ptr)) + (align - 1)) & (~(align - 1)))
81 #define ROUND_DOWN(VALUE,SIZE) ((VALUE) & ~((SIZE) - 1))
83 /* predefined values for static readonly fields without needed to run the .cctor */
84 typedef struct _ReadOnlyValue ReadOnlyValue;
85 struct _ReadOnlyValue {
88 int type; /* to be used later for typechecking to prevent user errors */
97 static ReadOnlyValue *readonly_values;
99 typedef struct MonoAotOptions {
104 gboolean write_symbols;
105 gboolean metadata_only;
106 gboolean bind_to_runtime_version;
109 gboolean static_link;
113 gboolean dwarf_debug;
115 gboolean log_generics;
116 gboolean log_instances;
117 gboolean gen_msym_dir;
118 char *gen_msym_dir_path;
119 gboolean direct_pinvoke;
120 gboolean direct_icalls;
121 gboolean no_direct_calls;
122 gboolean use_trampolines_page;
123 gboolean no_instances;
129 int nrgctx_trampolines;
130 int nimt_trampolines;
131 int ngsharedvt_arg_trampolines;
132 int nrgctx_fetch_trampolines;
133 gboolean print_skipped_methods;
140 char *instances_logfile_path;
147 METHOD_CAT_GSHAREDVT,
153 typedef struct MonoAotStats {
154 int ccount, mcount, lmfcount, abscount, gcount, ocount, genericcount;
155 gint64 code_size, info_size, ex_info_size, unwind_info_size, got_size, class_info_size, got_info_size, plt_size;
156 int methods_without_got_slots, direct_calls, all_calls, llvm_count;
157 int got_slots, offsets_size;
158 int method_categories [METHOD_CAT_NUM];
159 int got_slot_types [MONO_PATCH_INFO_NUM];
160 int got_slot_info_sizes [MONO_PATCH_INFO_NUM];
161 int jit_time, gen_time, link_time;
164 typedef struct GotInfo {
165 GHashTable *patch_to_got_offset;
166 GHashTable **patch_to_got_offset_by_type;
167 GPtrArray *got_patches;
170 typedef struct MonoAotCompile {
173 GHashTable *method_indexes;
174 GHashTable *method_depth;
177 GHashTable **patch_to_plt_entry;
178 GHashTable *plt_offset_to_entry;
179 //GHashTable *patch_to_got_offset;
180 //GHashTable **patch_to_got_offset_by_type;
181 //GPtrArray *got_patches;
182 GotInfo got_info, llvm_got_info;
183 GHashTable *image_hash;
184 GHashTable *method_to_cfg;
185 GHashTable *token_info_hash;
186 GHashTable *method_to_pinvoke_import;
187 GPtrArray *extra_methods;
188 GPtrArray *image_table;
190 GPtrArray *method_order;
191 GHashTable *export_names;
192 /* Maps MonoClass* -> blob offset */
193 GHashTable *klass_blob_hash;
194 /* Maps MonoMethod* -> blob offset */
195 GHashTable *method_blob_hash;
196 GHashTable *gsharedvt_in_signatures;
197 GHashTable *gsharedvt_out_signatures;
198 guint32 *plt_got_info_offsets;
199 guint32 got_offset, llvm_got_offset, plt_offset, plt_got_offset_base, nshared_got_entries;
200 /* Number of GOT entries reserved for trampolines */
201 guint32 num_trampoline_got_entries;
202 guint32 tramp_page_size;
204 guint32 table_offsets [MONO_AOT_TABLE_NUM];
205 guint32 num_trampolines [MONO_AOT_TRAMP_NUM];
206 guint32 trampoline_got_offset_base [MONO_AOT_TRAMP_NUM];
207 guint32 trampoline_size [MONO_AOT_TRAMP_NUM];
208 guint32 tramp_page_code_offsets [MONO_AOT_TRAMP_NUM];
210 MonoAotOptions aot_opts;
214 MonoMemPool *mempool;
217 char *static_linking_symbol;
219 gboolean gas_line_numbers;
220 /* Whenever to emit an object file directly from llc */
221 gboolean llvm_owriter;
222 gboolean llvm_owriter_supported;
224 MonoDwarfWriter *dwarf;
231 GHashTable *unwind_info_offsets;
232 GPtrArray *unwind_ops;
233 guint32 unwind_info_offset;
236 char *llvm_got_symbol;
238 char *llvm_eh_frame_symbol;
239 GHashTable *method_label_hash;
240 const char *temp_prefix;
241 const char *user_symbol_prefix;
242 const char *llvm_label_prefix;
243 const char *inst_directive;
245 guint32 label_generator;
247 gboolean has_jitted_code;
248 MonoAotFileFlags flags;
249 MonoDynamicStream blob;
250 gboolean blob_closed;
251 GHashTable *typespec_classes;
254 char *assembly_name_sym;
255 GHashTable *plt_entry_debug_sym_cache;
256 gboolean thumb_mixed, need_no_dead_strip, need_pt_gnu_stack;
257 GHashTable *ginst_hash;
258 GHashTable *dwarf_ln_filenames;
259 gboolean global_symbols;
260 int objc_selector_index, objc_selector_index_2;
261 GPtrArray *objc_selectors;
262 GHashTable *objc_selector_to_index;
264 FILE *instances_logfile;
272 char *symbol, *llvm_symbol, *debug_sym;
274 gboolean jit_used, llvm_used;
277 #define mono_acfg_lock(acfg) mono_os_mutex_lock (&((acfg)->mutex))
278 #define mono_acfg_unlock(acfg) mono_os_mutex_unlock (&((acfg)->mutex))
280 /* This points to the current acfg in LLVM mode */
281 static MonoAotCompile *llvm_acfg;
283 #ifdef HAVE_ARRAY_ELEM_INIT
284 #define MSGSTRFIELD(line) MSGSTRFIELD1(line)
285 #define MSGSTRFIELD1(line) str##line
286 static const struct msgstr_t {
287 #define PATCH_INFO(a,b) char MSGSTRFIELD(__LINE__) [sizeof (b)];
288 #include "patch-info.h"
291 #define PATCH_INFO(a,b) b,
292 #include "patch-info.h"
295 static const gint16 opidx [] = {
296 #define PATCH_INFO(a,b) [MONO_PATCH_INFO_ ## a] = offsetof (struct msgstr_t, MSGSTRFIELD(__LINE__)),
297 #include "patch-info.h"
301 static G_GNUC_UNUSED const char*
302 get_patch_name (int info)
304 return (const char*)&opstr + opidx [info];
308 #define PATCH_INFO(a,b) b,
309 static const char* const
310 patch_types [MONO_PATCH_INFO_NUM + 1] = {
311 #include "patch-info.h"
315 static G_GNUC_UNUSED const char*
316 get_patch_name (int info)
318 return patch_types [info];
324 get_unwind_info_offset (MonoAotCompile *acfg, guint8 *encoded, guint32 encoded_len);
327 get_plt_entry_debug_sym (MonoAotCompile *acfg, MonoJumpInfo *ji, GHashTable *cache);
330 add_gsharedvt_wrappers (MonoAotCompile *acfg, MonoMethodSignature *sig, gboolean gsharedvt_in, gboolean gsharedvt_out);
333 aot_printf (MonoAotCompile *acfg, const gchar *format, ...)
339 output = acfg->logfile;
343 va_start (args, format);
344 vfprintf (output, format, args);
349 aot_printerrf (MonoAotCompile *acfg, const gchar *format, ...)
355 output = acfg->logfile;
359 va_start (args, format);
360 vfprintf (output, format, args);
365 report_loader_error (MonoAotCompile *acfg, MonoError *error, const char *format, ...)
370 if (mono_error_ok (error))
374 output = acfg->logfile;
378 va_start (args, format);
379 vfprintf (output, format, args);
381 mono_error_cleanup (error);
383 g_error ("FullAOT cannot continue if there are loader errors");
386 /* Wrappers around the image writer functions */
388 #define MAX_SYMBOL_SIZE 256
390 static inline const char *
391 mangle_symbol (const char * symbol, char * mangled_symbol, gsize length)
393 gsize needed_size = length;
395 g_assert (NULL != symbol);
396 g_assert (NULL != mangled_symbol);
397 g_assert (0 != length);
399 #if defined(TARGET_WIN32) && defined(TARGET_X86)
400 if (symbol && '_' != symbol [0]) {
401 needed_size = g_snprintf (mangled_symbol, length, "_%s", symbol);
403 needed_size = g_snprintf (mangled_symbol, length, "%s", symbol);
406 needed_size = g_snprintf (mangled_symbol, length, "%s", symbol);
409 g_assert (0 <= needed_size && needed_size < length);
410 return mangled_symbol;
414 mangle_symbol_alloc (const char * symbol)
416 g_assert (NULL != symbol);
418 #if defined(TARGET_WIN32) && defined(TARGET_X86)
419 if (symbol && '_' != symbol [0]) {
420 return g_strdup_printf ("_%s", symbol);
423 return g_strdup_printf ("%s", symbol);
426 return g_strdup_printf ("%s", symbol);
431 emit_section_change (MonoAotCompile *acfg, const char *section_name, int subsection_index)
433 mono_img_writer_emit_section_change (acfg->w, section_name, subsection_index);
436 #if defined(TARGET_WIN32) && defined(TARGET_X86)
439 emit_local_symbol (MonoAotCompile *acfg, const char *name, const char *end_label, gboolean func)
441 const char * mangled_symbol_name = name;
442 char * mangled_symbol_name_alloc = NULL;
445 mangled_symbol_name_alloc = mangle_symbol_alloc (name);
446 mangled_symbol_name = mangled_symbol_name_alloc;
449 if (name != mangled_symbol_name && 0 != g_strcasecmp (name, mangled_symbol_name)) {
450 mono_img_writer_emit_label (acfg->w, mangled_symbol_name);
452 mono_img_writer_emit_local_symbol (acfg->w, mangled_symbol_name, end_label, func);
454 if (NULL != mangled_symbol_name_alloc) {
455 g_free (mangled_symbol_name_alloc);
462 emit_local_symbol (MonoAotCompile *acfg, const char *name, const char *end_label, gboolean func)
464 mono_img_writer_emit_local_symbol (acfg->w, name, end_label, func);
470 emit_label (MonoAotCompile *acfg, const char *name)
472 mono_img_writer_emit_label (acfg->w, name);
476 emit_bytes (MonoAotCompile *acfg, const guint8* buf, int size)
478 mono_img_writer_emit_bytes (acfg->w, buf, size);
482 emit_string (MonoAotCompile *acfg, const char *value)
484 mono_img_writer_emit_string (acfg->w, value);
488 emit_line (MonoAotCompile *acfg)
490 mono_img_writer_emit_line (acfg->w);
494 emit_alignment (MonoAotCompile *acfg, int size)
496 mono_img_writer_emit_alignment (acfg->w, size);
500 emit_alignment_code (MonoAotCompile *acfg, int size)
502 if (acfg->align_pad_value)
503 mono_img_writer_emit_alignment_fill (acfg->w, size, acfg->align_pad_value);
505 mono_img_writer_emit_alignment (acfg->w, size);
509 emit_padding (MonoAotCompile *acfg, int size)
514 if (acfg->align_pad_value) {
515 for (i = 0; i < 16; ++i)
516 buf [i] = acfg->align_pad_value;
518 memset (buf, 0, sizeof (buf));
521 for (i = 0; i < size; i += 16) {
523 emit_bytes (acfg, buf, size - i);
525 emit_bytes (acfg, buf, 16);
530 emit_pointer (MonoAotCompile *acfg, const char *target)
532 mono_img_writer_emit_pointer (acfg->w, target);
536 emit_pointer_2 (MonoAotCompile *acfg, const char *prefix, const char *target)
538 if (prefix [0] != '\0') {
539 char *s = g_strdup_printf ("%s%s", prefix, target);
540 mono_img_writer_emit_pointer (acfg->w, s);
543 mono_img_writer_emit_pointer (acfg->w, target);
548 emit_int16 (MonoAotCompile *acfg, int value)
550 mono_img_writer_emit_int16 (acfg->w, value);
554 emit_int32 (MonoAotCompile *acfg, int value)
556 mono_img_writer_emit_int32 (acfg->w, value);
560 emit_symbol_diff (MonoAotCompile *acfg, const char *end, const char* start, int offset)
562 mono_img_writer_emit_symbol_diff (acfg->w, end, start, offset);
566 emit_zero_bytes (MonoAotCompile *acfg, int num)
568 mono_img_writer_emit_zero_bytes (acfg->w, num);
572 emit_byte (MonoAotCompile *acfg, guint8 val)
574 mono_img_writer_emit_byte (acfg->w, val);
577 #if defined(TARGET_WIN32) && defined(TARGET_X86)
579 static G_GNUC_UNUSED void
580 emit_global_inner (MonoAotCompile *acfg, const char *name, gboolean func)
582 const char * mangled_symbol_name = name;
583 char * mangled_symbol_name_alloc = NULL;
585 mangled_symbol_name_alloc = mangle_symbol_alloc (name);
586 mangled_symbol_name = mangled_symbol_name_alloc;
588 if (0 != g_strcasecmp (name, mangled_symbol_name)) {
589 mono_img_writer_emit_label (acfg->w, mangled_symbol_name);
591 mono_img_writer_emit_global (acfg->w, mangled_symbol_name, func);
593 if (NULL != mangled_symbol_name_alloc) {
594 g_free (mangled_symbol_name_alloc);
600 static G_GNUC_UNUSED void
601 emit_global_inner (MonoAotCompile *acfg, const char *name, gboolean func)
603 mono_img_writer_emit_global (acfg->w, name, func);
609 emit_global (MonoAotCompile *acfg, const char *name, gboolean func)
611 if (acfg->aot_opts.no_dlsym) {
612 g_ptr_array_add (acfg->globals, g_strdup (name));
613 mono_img_writer_emit_local_symbol (acfg->w, name, NULL, func);
615 emit_global_inner (acfg, name, func);
620 emit_symbol_size (MonoAotCompile *acfg, const char *name, const char *end_label)
622 mono_img_writer_emit_symbol_size (acfg->w, name, end_label);
625 /* Emit a symbol which is referenced by the MonoAotFileInfo structure */
627 emit_info_symbol (MonoAotCompile *acfg, const char *name)
629 char symbol [MAX_SYMBOL_SIZE];
632 emit_label (acfg, name);
633 /* LLVM generated code references this */
634 sprintf (symbol, "%s%s%s", acfg->user_symbol_prefix, acfg->global_prefix, name);
635 emit_label (acfg, symbol);
636 emit_global_inner (acfg, symbol, FALSE);
638 emit_label (acfg, name);
643 emit_string_symbol (MonoAotCompile *acfg, const char *name, const char *value)
646 mono_llvm_emit_aot_data (name, (guint8*)value, strlen (value) + 1);
650 mono_img_writer_emit_section_change (acfg->w, RODATA_SECT, 1);
652 /* On apple, all symbols need to be aligned to avoid warnings from ld */
653 emit_alignment (acfg, 4);
655 mono_img_writer_emit_label (acfg->w, name);
656 mono_img_writer_emit_string (acfg->w, value);
659 static G_GNUC_UNUSED void
660 emit_uleb128 (MonoAotCompile *acfg, guint32 value)
663 guint8 b = value & 0x7f;
665 if (value != 0) /* more bytes to come */
671 static G_GNUC_UNUSED void
672 emit_sleb128 (MonoAotCompile *acfg, gint64 value)
675 gboolean negative = (value < 0);
682 /* the following is unnecessary if the
683 * implementation of >>= uses an arithmetic rather
684 * than logical shift for a signed left operand
688 value |= - ((gint64)1 <<(size - 7));
689 /* sign bit of byte is second high order bit (0x40) */
690 if ((value == 0 && !(byte & 0x40)) ||
691 (value == -1 && (byte & 0x40)))
695 emit_byte (acfg, byte);
699 static G_GNUC_UNUSED void
700 encode_uleb128 (guint32 value, guint8 *buf, guint8 **endbuf)
705 guint8 b = value & 0x7f;
707 if (value != 0) /* more bytes to come */
715 static G_GNUC_UNUSED void
716 encode_sleb128 (gint32 value, guint8 *buf, guint8 **endbuf)
719 gboolean negative = (value < 0);
727 /* the following is unnecessary if the
728 * implementation of >>= uses an arithmetic rather
729 * than logical shift for a signed left operand
733 value |= - (1 <<(size - 7));
734 /* sign bit of byte is second high order bit (0x40) */
735 if ((value == 0 && !(byte & 0x40)) ||
736 (value == -1 && (byte & 0x40)))
747 encode_int (gint32 val, guint8 *buf, guint8 **endbuf)
750 buf [0] = (val >> 0) & 0xff;
751 buf [1] = (val >> 8) & 0xff;
752 buf [2] = (val >> 16) & 0xff;
753 buf [3] = (val >> 24) & 0xff;
759 encode_int16 (guint16 val, guint8 *buf, guint8 **endbuf)
761 buf [0] = (val >> 0) & 0xff;
762 buf [1] = (val >> 8) & 0xff;
768 encode_string (const char *s, guint8 *buf, guint8 **endbuf)
770 int len = strlen (s);
772 memcpy (buf, s, len + 1);
773 *endbuf = buf + len + 1;
777 emit_unset_mode (MonoAotCompile *acfg)
779 mono_img_writer_emit_unset_mode (acfg->w);
782 static G_GNUC_UNUSED void
783 emit_set_thumb_mode (MonoAotCompile *acfg)
785 emit_unset_mode (acfg);
786 fprintf (acfg->fp, ".code 16\n");
789 static G_GNUC_UNUSED void
790 emit_set_arm_mode (MonoAotCompile *acfg)
792 emit_unset_mode (acfg);
793 fprintf (acfg->fp, ".code 32\n");
797 emit_code_bytes (MonoAotCompile *acfg, const guint8* buf, int size)
802 g_assert (size % 4 == 0);
803 emit_unset_mode (acfg);
804 for (i = 0; i < size; i += 4)
805 fprintf (acfg->fp, "%s 0x%x\n", acfg->inst_directive, *(guint32*)(buf + i));
807 emit_bytes (acfg, buf, size);
811 /* ARCHITECTURE SPECIFIC CODE */
813 #if defined(TARGET_X86) || defined(TARGET_AMD64) || defined(TARGET_ARM) || defined(TARGET_POWERPC) || defined(TARGET_ARM64)
814 #define EMIT_DWARF_INFO 1
817 #if defined(TARGET_ARM)
818 #define AOT_FUNC_ALIGNMENT 4
820 #define AOT_FUNC_ALIGNMENT 16
823 #if defined(TARGET_POWERPC64) && !defined(__mono_ilp32__)
824 #define PPC_LD_OP "ld"
825 #define PPC_LDX_OP "ldx"
827 #define PPC_LD_OP "lwz"
828 #define PPC_LDX_OP "lwzx"
832 #define AOT_TARGET_STR "AMD64"
837 #define AOT_TARGET_STR "ARM (MACH)"
839 #define AOT_TARGET_STR "ARM (!MACH)"
845 #define AOT_TARGET_STR "ARM64 (MACH)"
847 #define AOT_TARGET_STR "ARM64 (!MACH)"
851 #ifdef TARGET_POWERPC64
852 #ifdef __mono_ilp32__
853 #define AOT_TARGET_STR "POWERPC64 (mono ilp32)"
855 #define AOT_TARGET_STR "POWERPC64 (!mono ilp32)"
858 #ifdef TARGET_POWERPC
859 #ifdef __mono_ilp32__
860 #define AOT_TARGET_STR "POWERPC (mono ilp32)"
862 #define AOT_TARGET_STR "POWERPC (!mono ilp32)"
869 #define AOT_TARGET_STR "X86 (WIN32)"
870 #elif defined(__native_client_codegen__)
871 #define AOT_TARGET_STR "X86 (native client codegen)"
873 #define AOT_TARGET_STR "X86 (!native client codegen)"
877 #ifndef AOT_TARGET_STR
878 #define AOT_TARGET_STR ""
882 arch_init (MonoAotCompile *acfg)
884 acfg->llc_args = g_string_new ("");
885 acfg->as_args = g_string_new ("");
886 acfg->llvm_owriter_supported = TRUE;
889 * The prefix LLVM likes to put in front of symbol names on darwin.
890 * The mach-os specs require this for globals, but LLVM puts them in front of all
891 * symbols. We need to handle this, since we need to refer to LLVM generated
894 acfg->llvm_label_prefix = "";
895 acfg->user_symbol_prefix = "";
897 #if defined(TARGET_X86)
898 g_string_append (acfg->llc_args, " -march=x86 -mattr=sse4.1");
901 #if defined(TARGET_AMD64)
902 g_string_append (acfg->llc_args, " -march=x86-64 -mattr=sse4.1");
904 acfg->align_pad_value = 0x90;
908 if (acfg->aot_opts.mtriple && strstr (acfg->aot_opts.mtriple, "darwin")) {
909 g_string_append (acfg->llc_args, "-mattr=+v6");
911 #if defined(ARM_FPU_VFP_HARD)
912 g_string_append (acfg->llc_args, " -mattr=+vfp2,-neon,+d16 -float-abi=hard");
913 g_string_append (acfg->as_args, " -mfpu=vfp3");
914 #elif defined(ARM_FPU_VFP)
915 g_string_append (acfg->llc_args, " -mattr=+vfp2,-neon,+d16");
916 g_string_append (acfg->as_args, " -mfpu=vfp3");
918 g_string_append (acfg->llc_args, " -soft-float");
921 if (acfg->aot_opts.mtriple && strstr (acfg->aot_opts.mtriple, "thumb"))
922 acfg->thumb_mixed = TRUE;
924 if (acfg->aot_opts.mtriple)
925 mono_arch_set_target (acfg->aot_opts.mtriple);
929 acfg->inst_directive = ".inst";
930 if (acfg->aot_opts.mtriple)
931 mono_arch_set_target (acfg->aot_opts.mtriple);
935 acfg->user_symbol_prefix = "_";
936 acfg->llvm_label_prefix = "_";
937 acfg->inst_directive = ".word";
938 acfg->need_no_dead_strip = TRUE;
939 acfg->aot_opts.gnu_asm = TRUE;
942 #if defined(__linux__) && !defined(TARGET_ARM)
943 acfg->need_pt_gnu_stack = TRUE;
947 acfg->global_symbols = TRUE;
950 #ifdef TARGET_ANDROID
951 acfg->llvm_owriter_supported = FALSE;
958 /* Load the contents of GOT_SLOT into dreg, clobbering ip0 */
960 arm64_emit_load_got_slot (MonoAotCompile *acfg, int dreg, int got_slot)
965 emit_unset_mode (acfg);
967 offset = (int)(got_slot * sizeof (gpointer));
969 /* clang's integrated assembler */
970 fprintf (acfg->fp, "adrp x16, %s@PAGE+%d\n", acfg->got_symbol, offset & 0xfffff000);
971 fprintf (acfg->fp, "add x16, x16, %s@PAGEOFF\n", acfg->got_symbol);
972 fprintf (acfg->fp, "ldr x%d, [x16, #%d]\n", dreg, offset & 0xfff);
975 fprintf (acfg->fp, "adrp x16, %s+%d\n", acfg->got_symbol, offset & 0xfffff000);
976 fprintf (acfg->fp, "add x16, x16, :lo12:%s\n", acfg->got_symbol);
977 fprintf (acfg->fp, "ldr x%d, [x16, %d]\n", dreg, offset & 0xfff);
982 arm64_emit_objc_selector_ref (MonoAotCompile *acfg, guint8 *code, int index, int *code_size)
987 emit_unset_mode (acfg);
990 reg = arm_get_ldr_lit_reg (code);
992 fprintf (acfg->fp, "adrp x%d, L_OBJC_SELECTOR_REFERENCES_%d@PAGE\n", reg, index);
993 fprintf (acfg->fp, "add x%d, x%d, L_OBJC_SELECTOR_REFERENCES_%d@PAGEOFF\n", reg, reg, index);
994 fprintf (acfg->fp, "ldr x%d, [x%d]\n", reg, reg);
1000 arm64_emit_direct_call (MonoAotCompile *acfg, const char *target, gboolean external, gboolean thumb, MonoJumpInfo *ji, int *call_size)
1002 g_assert (acfg->fp);
1003 emit_unset_mode (acfg);
1004 if (ji && ji->relocation == MONO_R_ARM64_B) {
1005 fprintf (acfg->fp, "b %s\n", target);
1008 g_assert (ji->relocation == MONO_R_ARM64_BL);
1009 fprintf (acfg->fp, "bl %s\n", target);
1015 arm64_emit_got_access (MonoAotCompile *acfg, guint8 *code, int got_slot, int *code_size)
1019 /* ldr rt, target */
1020 reg = arm_get_ldr_lit_reg (code);
1021 arm64_emit_load_got_slot (acfg, reg, got_slot);
1026 arm64_emit_plt_entry (MonoAotCompile *acfg, const char *got_symbol, int offset, int info_offset)
1028 arm64_emit_load_got_slot (acfg, ARMREG_R16, offset / sizeof (gpointer));
1029 fprintf (acfg->fp, "br x16\n");
1030 /* Used by mono_aot_get_plt_info_offset () */
1031 fprintf (acfg->fp, "%s %d\n", acfg->inst_directive, info_offset);
1035 arm64_emit_tramp_page_common_code (MonoAotCompile *acfg, int pagesize, int arg_reg, int *size)
1041 /* The common code */
1044 /* The trampoline address is in IP0 */
1045 arm_movzx (code, ARMREG_IP1, imm & 0xffff, 0);
1046 arm_movkx (code, ARMREG_IP1, (imm >> 16) & 0xffff, 16);
1047 /* Compute the data slot address */
1048 arm_subx (code, ARMREG_IP0, ARMREG_IP0, ARMREG_IP1);
1049 /* Trampoline argument */
1050 arm_ldrx (code, arg_reg, ARMREG_IP0, 0);
1052 arm_ldrx (code, ARMREG_IP0, ARMREG_IP0, 8);
1053 arm_brx (code, ARMREG_IP0);
1056 emit_code_bytes (acfg, buf, code - buf);
1062 arm64_emit_tramp_page_specific_code (MonoAotCompile *acfg, int pagesize, int common_tramp_size, int specific_tramp_size)
1068 count = (pagesize - common_tramp_size) / specific_tramp_size;
1069 for (i = 0; i < count; ++i) {
1071 arm_adrx (code, ARMREG_IP0, code);
1072 /* Branch to the generic code */
1073 arm_b (code, code - 4 - (i * specific_tramp_size) - common_tramp_size);
1074 /* This has to be 2 pointers long */
1077 g_assert (code - buf == specific_tramp_size);
1078 emit_code_bytes (acfg, buf, code - buf);
1083 arm64_emit_specific_trampoline_pages (MonoAotCompile *acfg)
1087 guint8 *labels [16];
1088 int common_tramp_size;
1089 int specific_tramp_size = 2 * 8;
1093 if (!acfg->aot_opts.use_trampolines_page)
1097 /* Have to match the target pagesize */
1100 pagesize = mono_pagesize ();
1102 acfg->tramp_page_size = pagesize;
1104 /* The specific trampolines */
1105 sprintf (symbol, "%sspecific_trampolines_page", acfg->user_symbol_prefix);
1106 emit_alignment (acfg, pagesize);
1107 emit_global (acfg, symbol, TRUE);
1108 emit_label (acfg, symbol);
1110 /* The common code */
1111 arm64_emit_tramp_page_common_code (acfg, pagesize, ARMREG_IP1, &common_tramp_size);
1112 acfg->tramp_page_code_offsets [MONO_AOT_TRAMP_SPECIFIC] = common_tramp_size;
1114 arm64_emit_tramp_page_specific_code (acfg, pagesize, common_tramp_size, specific_tramp_size);
1116 /* The rgctx trampolines */
1117 /* These are the same as the specific trampolines, but they load the argument into MONO_ARCH_RGCTX_REG */
1118 sprintf (symbol, "%srgctx_trampolines_page", acfg->user_symbol_prefix);
1119 emit_alignment (acfg, pagesize);
1120 emit_global (acfg, symbol, TRUE);
1121 emit_label (acfg, symbol);
1123 /* The common code */
1124 arm64_emit_tramp_page_common_code (acfg, pagesize, MONO_ARCH_RGCTX_REG, &common_tramp_size);
1125 acfg->tramp_page_code_offsets [MONO_AOT_TRAMP_STATIC_RGCTX] = common_tramp_size;
1127 arm64_emit_tramp_page_specific_code (acfg, pagesize, common_tramp_size, specific_tramp_size);
1129 /* The gsharedvt arg trampolines */
1130 /* These are the same as the specific trampolines */
1131 sprintf (symbol, "%sgsharedvt_arg_trampolines_page", acfg->user_symbol_prefix);
1132 emit_alignment (acfg, pagesize);
1133 emit_global (acfg, symbol, TRUE);
1134 emit_label (acfg, symbol);
1136 arm64_emit_tramp_page_common_code (acfg, pagesize, ARMREG_IP1, &common_tramp_size);
1137 acfg->tramp_page_code_offsets [MONO_AOT_TRAMP_GSHAREDVT_ARG] = common_tramp_size;
1139 arm64_emit_tramp_page_specific_code (acfg, pagesize, common_tramp_size, specific_tramp_size);
1141 /* The IMT trampolines */
1142 sprintf (symbol, "%simt_trampolines_page", acfg->user_symbol_prefix);
1143 emit_alignment (acfg, pagesize);
1144 emit_global (acfg, symbol, TRUE);
1145 emit_label (acfg, symbol);
1149 /* The trampoline address is in IP0 */
1150 arm_movzx (code, ARMREG_IP1, imm & 0xffff, 0);
1151 arm_movkx (code, ARMREG_IP1, (imm >> 16) & 0xffff, 16);
1152 /* Compute the data slot address */
1153 arm_subx (code, ARMREG_IP0, ARMREG_IP0, ARMREG_IP1);
1154 /* Trampoline argument */
1155 arm_ldrx (code, ARMREG_IP1, ARMREG_IP0, 0);
1157 /* Same as arch_emit_imt_trampoline () */
1159 arm_ldrx (code, ARMREG_IP0, ARMREG_IP1, 0);
1160 arm_cmpx (code, ARMREG_IP0, MONO_ARCH_RGCTX_REG);
1162 arm_bcc (code, ARMCOND_EQ, 0);
1164 /* End-of-loop check */
1166 arm_cbzx (code, ARMREG_IP0, 0);
1169 arm_addx_imm (code, ARMREG_IP1, ARMREG_IP1, 2 * 8);
1170 arm_b (code, labels [0]);
1173 mono_arm_patch (labels [1], code, MONO_R_ARM64_BCC);
1174 /* Load vtable slot addr */
1175 arm_ldrx (code, ARMREG_IP0, ARMREG_IP1, 8);
1176 /* Load vtable slot */
1177 arm_ldrx (code, ARMREG_IP0, ARMREG_IP0, 0);
1178 arm_brx (code, ARMREG_IP0);
1181 mono_arm_patch (labels [2], code, MONO_R_ARM64_CBZ);
1182 /* Load fail addr */
1183 arm_ldrx (code, ARMREG_IP0, ARMREG_IP1, 8);
1184 arm_brx (code, ARMREG_IP0);
1186 emit_code_bytes (acfg, buf, code - buf);
1188 common_tramp_size = code - buf;
1189 acfg->tramp_page_code_offsets [MONO_AOT_TRAMP_IMT] = common_tramp_size;
1191 arm64_emit_tramp_page_specific_code (acfg, pagesize, common_tramp_size, specific_tramp_size);
1195 arm64_emit_specific_trampoline (MonoAotCompile *acfg, int offset, int *tramp_size)
1197 /* Load argument from second GOT slot */
1198 arm64_emit_load_got_slot (acfg, ARMREG_R17, offset + 1);
1199 /* Load generic trampoline address from first GOT slot */
1200 arm64_emit_load_got_slot (acfg, ARMREG_R16, offset);
1201 fprintf (acfg->fp, "br x16\n");
1202 *tramp_size = 7 * 4;
1206 arm64_emit_unbox_trampoline (MonoAotCompile *acfg, MonoCompile *cfg, MonoMethod *method, const char *call_target)
1208 emit_unset_mode (acfg);
1209 fprintf (acfg->fp, "add x0, x0, %d\n", (int)(sizeof (MonoObject)));
1210 fprintf (acfg->fp, "b %s\n", call_target);
1214 arm64_emit_static_rgctx_trampoline (MonoAotCompile *acfg, int offset, int *tramp_size)
1216 /* Similar to the specific trampolines, but use the rgctx reg instead of ip1 */
1218 /* Load argument from first GOT slot */
1219 arm64_emit_load_got_slot (acfg, MONO_ARCH_RGCTX_REG, offset);
1220 /* Load generic trampoline address from second GOT slot */
1221 arm64_emit_load_got_slot (acfg, ARMREG_R16, offset + 1);
1222 fprintf (acfg->fp, "br x16\n");
1223 *tramp_size = 7 * 4;
1227 arm64_emit_imt_trampoline (MonoAotCompile *acfg, int offset, int *tramp_size)
1230 guint8 *code, *labels [16];
1232 /* Load parameter from GOT slot into ip1 */
1233 arm64_emit_load_got_slot (acfg, ARMREG_R17, offset);
1237 arm_ldrx (code, ARMREG_IP0, ARMREG_IP1, 0);
1238 arm_cmpx (code, ARMREG_IP0, MONO_ARCH_RGCTX_REG);
1240 arm_bcc (code, ARMCOND_EQ, 0);
1242 /* End-of-loop check */
1244 arm_cbzx (code, ARMREG_IP0, 0);
1247 arm_addx_imm (code, ARMREG_IP1, ARMREG_IP1, 2 * 8);
1248 arm_b (code, labels [0]);
1251 mono_arm_patch (labels [1], code, MONO_R_ARM64_BCC);
1252 /* Load vtable slot addr */
1253 arm_ldrx (code, ARMREG_IP0, ARMREG_IP1, 8);
1254 /* Load vtable slot */
1255 arm_ldrx (code, ARMREG_IP0, ARMREG_IP0, 0);
1256 arm_brx (code, ARMREG_IP0);
1259 mono_arm_patch (labels [2], code, MONO_R_ARM64_CBZ);
1260 /* Load fail addr */
1261 arm_ldrx (code, ARMREG_IP0, ARMREG_IP1, 8);
1262 arm_brx (code, ARMREG_IP0);
1264 emit_code_bytes (acfg, buf, code - buf);
1266 *tramp_size = code - buf + (3 * 4);
1270 arm64_emit_gsharedvt_arg_trampoline (MonoAotCompile *acfg, int offset, int *tramp_size)
1272 /* Similar to the specific trampolines, but the address is in the second slot */
1273 /* Load argument from first GOT slot */
1274 arm64_emit_load_got_slot (acfg, ARMREG_R17, offset);
1275 /* Load generic trampoline address from second GOT slot */
1276 arm64_emit_load_got_slot (acfg, ARMREG_R16, offset + 1);
1277 fprintf (acfg->fp, "br x16\n");
1278 *tramp_size = 7 * 4;
1284 #ifdef MONO_ARCH_AOT_SUPPORTED
1286 * arch_emit_direct_call:
1288 * Emit a direct call to the symbol TARGET. CALL_SIZE is set to the size of the
1292 arch_emit_direct_call (MonoAotCompile *acfg, const char *target, gboolean external, gboolean thumb, MonoJumpInfo *ji, int *call_size)
1294 #if defined(TARGET_X86) || defined(TARGET_AMD64)
1295 /* Need to make sure this is exactly 5 bytes long */
1296 emit_unset_mode (acfg);
1297 fprintf (acfg->fp, "call %s\n", target);
1299 #elif defined(TARGET_ARM)
1300 emit_unset_mode (acfg);
1302 fprintf (acfg->fp, "blx %s\n", target);
1304 fprintf (acfg->fp, "bl %s\n", target);
1306 #elif defined(TARGET_ARM64)
1307 arm64_emit_direct_call (acfg, target, external, thumb, ji, call_size);
1308 #elif defined(TARGET_POWERPC)
1309 emit_unset_mode (acfg);
1310 fprintf (acfg->fp, "bl %s\n", target);
1313 g_assert_not_reached ();
1320 * - we use an approach similar to the x86 abi: reserve a register (r30) to hold
1322 * - The full-aot trampolines need access to the GOT of mscorlib, so we store
1323 * in in the 2. slot of every GOT, and require every method to place the GOT
1324 * address in r30, even when it doesn't access the GOT otherwise. This way,
1325 * the trampolines can compute the mscorlib GOT address by loading 4(r30).
1330 * PPC64 uses function descriptors which greatly complicate all code, since
1331 * these are used very inconsistently in the runtime. Some functions like
1332 * mono_compile_method () return ftn descriptors, while others like the
1333 * trampoline creation functions do not.
1334 * We assume that all GOT slots contain function descriptors, and create
1335 * descriptors in aot-runtime.c when needed.
1336 * The ppc64 abi uses r2 to hold the address of the TOC/GOT, which is loaded
1337 * from function descriptors, we could do the same, but it would require
1338 * rewriting all the ppc/aot code to handle function descriptors properly.
1339 * So instead, we use the same approach as on PPC32.
1340 * This is a horrible mess, but fixing it would probably lead to an even bigger
1346 * - similar to the PPC32 design, we reserve EBX to hold the GOT pointer.
1349 #ifdef MONO_ARCH_AOT_SUPPORTED
1351 * arch_emit_got_offset:
1353 * The memory pointed to by CODE should hold native code for computing the GOT
1354 * address (OP_LOAD_GOTADDR). Emit this code while patching it with the offset
1355 * between code and the GOT. CODE_SIZE is set to the number of bytes emitted.
1358 arch_emit_got_offset (MonoAotCompile *acfg, guint8 *code, int *code_size)
1360 #if defined(TARGET_POWERPC64)
1361 emit_unset_mode (acfg);
1363 * The ppc32 code doesn't seem to work on ppc64, the assembler complains about
1364 * unsupported relocations. So we store the got address into the .Lgot_addr
1365 * symbol which is in the text segment, compute its address, and load it.
1367 fprintf (acfg->fp, ".L%d:\n", acfg->label_generator);
1368 fprintf (acfg->fp, "lis 0, (.Lgot_addr + 4 - .L%d)@h\n", acfg->label_generator);
1369 fprintf (acfg->fp, "ori 0, 0, (.Lgot_addr + 4 - .L%d)@l\n", acfg->label_generator);
1370 fprintf (acfg->fp, "add 30, 30, 0\n");
1371 fprintf (acfg->fp, "%s 30, 0(30)\n", PPC_LD_OP);
1372 acfg->label_generator ++;
1374 #elif defined(TARGET_POWERPC)
1375 emit_unset_mode (acfg);
1376 fprintf (acfg->fp, ".L%d:\n", acfg->label_generator);
1377 fprintf (acfg->fp, "lis 0, (%s + 4 - .L%d)@h\n", acfg->got_symbol, acfg->label_generator);
1378 fprintf (acfg->fp, "ori 0, 0, (%s + 4 - .L%d)@l\n", acfg->got_symbol, acfg->label_generator);
1379 acfg->label_generator ++;
1382 guint32 offset = mono_arch_get_patch_offset (code);
1383 emit_bytes (acfg, code, offset);
1384 emit_symbol_diff (acfg, acfg->got_symbol, ".", offset);
1386 *code_size = offset + 4;
1391 * arch_emit_got_access:
1393 * The memory pointed to by CODE should hold native code for loading a GOT
1394 * slot (OP_AOTCONST/OP_GOT_ENTRY). Emit this code while patching it so it accesses the
1395 * GOT slot GOT_SLOT. CODE_SIZE is set to the number of bytes emitted.
1398 arch_emit_got_access (MonoAotCompile *acfg, const char *got_symbol, guint8 *code, int got_slot, int *code_size)
1401 /* mov reg, got+offset(%rip) */
1403 /* The GOT symbol is in the LLVM module, the clang assembler has problems emitting symbol diffs for it */
1407 /* Decode reg, see amd64_mov_reg_membase () */
1408 rex_r = code [0] & AMD64_REX_R;
1409 g_assert (code [0] == 0x49 + rex_r);
1410 g_assert (code [1] == 0x8b);
1411 dreg = ((code [2] >> 3) & 0x7) + (rex_r ? 8 : 0);
1413 emit_unset_mode (acfg);
1414 fprintf (acfg->fp, "mov %s+%d(%%rip), %s\n", got_symbol, (unsigned int) ((got_slot * sizeof (gpointer))), mono_arch_regname (dreg));
1417 emit_bytes (acfg, code, mono_arch_get_patch_offset (code));
1418 emit_symbol_diff (acfg, got_symbol, ".", (unsigned int) ((got_slot * sizeof (gpointer)) - 4));
1419 *code_size = mono_arch_get_patch_offset (code) + 4;
1421 #elif defined(TARGET_X86)
1422 emit_bytes (acfg, code, mono_arch_get_patch_offset (code));
1423 emit_int32 (acfg, (unsigned int) ((got_slot * sizeof (gpointer))));
1424 *code_size = mono_arch_get_patch_offset (code) + 4;
1425 #elif defined(TARGET_ARM)
1426 emit_bytes (acfg, code, mono_arch_get_patch_offset (code));
1427 emit_symbol_diff (acfg, got_symbol, ".", (unsigned int) ((got_slot * sizeof (gpointer))) - 12);
1428 *code_size = mono_arch_get_patch_offset (code) + 4;
1429 #elif defined(TARGET_ARM64)
1430 emit_bytes (acfg, code, mono_arch_get_patch_offset (code));
1431 arm64_emit_got_access (acfg, code, got_slot, code_size);
1432 #elif defined(TARGET_POWERPC)
1436 emit_bytes (acfg, code, mono_arch_get_patch_offset (code));
1438 ppc_load32 (code, ppc_r0, got_slot * sizeof (gpointer));
1439 g_assert (code - buf == 8);
1440 emit_bytes (acfg, buf, code - buf);
1441 *code_size = code - buf;
1444 g_assert_not_reached ();
1450 #ifdef MONO_ARCH_AOT_SUPPORTED
1452 * arch_emit_objc_selector_ref:
1454 * Emit the implementation of OP_OBJC_GET_SELECTOR, which itself implements @selector(foo:) in objective-c.
1457 arch_emit_objc_selector_ref (MonoAotCompile *acfg, guint8 *code, int index, int *code_size)
1459 #if defined(TARGET_ARM)
1460 char symbol1 [MAX_SYMBOL_SIZE];
1461 char symbol2 [MAX_SYMBOL_SIZE];
1462 int lindex = acfg->objc_selector_index_2 ++;
1464 /* Emit ldr.imm/b */
1465 emit_bytes (acfg, code, 8);
1467 sprintf (symbol1, "L_OBJC_SELECTOR_%d", lindex);
1468 sprintf (symbol2, "L_OBJC_SELECTOR_REFERENCES_%d", index);
1470 emit_label (acfg, symbol1);
1471 mono_img_writer_emit_unset_mode (acfg->w);
1472 fprintf (acfg->fp, ".long %s-(%s+12)", symbol2, symbol1);
1475 #elif defined(TARGET_ARM64)
1476 arm64_emit_objc_selector_ref (acfg, code, index, code_size);
1478 g_assert_not_reached ();
1484 * arch_emit_plt_entry:
1486 * Emit code for the PLT entry.
1487 * The plt entry should look like this:
1488 * <indirect jump to GOT_SYMBOL + OFFSET>
1489 * <INFO_OFFSET embedded into the instruction stream>
1492 arch_emit_plt_entry (MonoAotCompile *acfg, const char *got_symbol, int offset, int info_offset)
1494 #if defined(TARGET_X86)
1495 /* jmp *<offset>(%ebx) */
1496 emit_byte (acfg, 0xff);
1497 emit_byte (acfg, 0xa3);
1498 emit_int32 (acfg, offset);
1499 /* Used by mono_aot_get_plt_info_offset */
1500 emit_int32 (acfg, info_offset);
1501 #elif defined(TARGET_AMD64)
1502 emit_unset_mode (acfg);
1503 fprintf (acfg->fp, "jmp *%s+%d(%%rip)\n", got_symbol, offset);
1504 /* Used by mono_aot_get_plt_info_offset */
1505 emit_int32 (acfg, info_offset);
1506 acfg->stats.plt_size += 10;
1507 #elif defined(TARGET_ARM)
1512 ARM_LDR_IMM (code, ARMREG_IP, ARMREG_PC, 0);
1513 ARM_LDR_REG_REG (code, ARMREG_PC, ARMREG_PC, ARMREG_IP);
1514 emit_bytes (acfg, buf, code - buf);
1515 emit_symbol_diff (acfg, got_symbol, ".", offset - 4);
1516 /* Used by mono_aot_get_plt_info_offset */
1517 emit_int32 (acfg, info_offset);
1518 #elif defined(TARGET_ARM64)
1519 arm64_emit_plt_entry (acfg, got_symbol, offset, info_offset);
1520 #elif defined(TARGET_POWERPC)
1521 /* The GOT address is guaranteed to be in r30 by OP_LOAD_GOTADDR */
1522 emit_unset_mode (acfg);
1523 fprintf (acfg->fp, "lis 11, %d@h\n", offset);
1524 fprintf (acfg->fp, "ori 11, 11, %d@l\n", offset);
1525 fprintf (acfg->fp, "add 11, 11, 30\n");
1526 fprintf (acfg->fp, "%s 11, 0(11)\n", PPC_LD_OP);
1527 #ifdef PPC_USES_FUNCTION_DESCRIPTOR
1528 fprintf (acfg->fp, "%s 2, %d(11)\n", PPC_LD_OP, (int)sizeof (gpointer));
1529 fprintf (acfg->fp, "%s 11, 0(11)\n", PPC_LD_OP);
1531 fprintf (acfg->fp, "mtctr 11\n");
1532 fprintf (acfg->fp, "bctr\n");
1533 emit_int32 (acfg, info_offset);
1535 g_assert_not_reached ();
1540 * arch_emit_llvm_plt_entry:
1542 * Same as arch_emit_plt_entry, but handles calls from LLVM generated code.
1543 * This is only needed on arm to handle thumb interop.
1546 arch_emit_llvm_plt_entry (MonoAotCompile *acfg, const char *got_symbol, int offset, int info_offset)
1548 #if defined(TARGET_ARM)
1549 /* LLVM calls the PLT entries using bl, so these have to be thumb2 */
1550 /* The caller already transitioned to thumb */
1551 /* The code below should be 12 bytes long */
1552 /* clang has trouble encoding these instructions, so emit the binary */
1554 fprintf (acfg->fp, "ldr ip, [pc, #8]\n");
1555 /* thumb can't encode ld pc, [pc, ip] */
1556 fprintf (acfg->fp, "add ip, pc, ip\n");
1557 fprintf (acfg->fp, "ldr ip, [ip, #0]\n");
1558 fprintf (acfg->fp, "bx ip\n");
1560 emit_set_thumb_mode (acfg);
1561 fprintf (acfg->fp, ".4byte 0xc008f8df\n");
1562 fprintf (acfg->fp, ".2byte 0x44fc\n");
1563 fprintf (acfg->fp, ".4byte 0xc000f8dc\n");
1564 fprintf (acfg->fp, ".2byte 0x4760\n");
1565 emit_symbol_diff (acfg, got_symbol, ".", offset + 4);
1566 emit_int32 (acfg, info_offset);
1567 emit_unset_mode (acfg);
1568 emit_set_arm_mode (acfg);
1570 g_assert_not_reached ();
1574 /* Save unwind_info in the module and emit the offset to the information at symbol */
1575 static void save_unwind_info (MonoAotCompile *acfg, char *symbol, GSList *unwind_ops)
1577 guint32 uw_offset, encoded_len;
1580 emit_section_change (acfg, RODATA_SECT, 0);
1581 emit_global (acfg, symbol, FALSE);
1582 emit_label (acfg, symbol);
1584 encoded = mono_unwind_ops_encode (unwind_ops, &encoded_len);
1585 uw_offset = get_unwind_info_offset (acfg, encoded, encoded_len);
1587 emit_int32 (acfg, uw_offset);
1591 * arch_emit_specific_trampoline_pages:
1593 * Emits a page full of trampolines: each trampoline uses its own address to
1594 * lookup both the generic trampoline code and the data argument.
1595 * This page can be remapped in process multiple times so we can get an
1596 * unlimited number of trampolines.
1597 * Specifically this implementation uses the following trick: two memory pages
1598 * are allocated, with the first containing the data and the second containing the trampolines.
1599 * To reduce trampoline size, each trampoline jumps at the start of the page where a common
1600 * implementation does all the lifting.
1601 * Note that the ARM single trampoline size is 8 bytes, exactly like the data that needs to be stored
1602 * on the arm 32 bit system.
1605 arch_emit_specific_trampoline_pages (MonoAotCompile *acfg)
1607 #if defined(TARGET_ARM)
1610 guint8 *loop_start, *loop_branch_back, *loop_end_check, *imt_found_check;
1612 int pagesize = MONO_AOT_TRAMP_PAGE_SIZE;
1613 GSList *unwind_ops = NULL;
1614 #define COMMON_TRAMP_SIZE 16
1615 int count = (pagesize - COMMON_TRAMP_SIZE) / 8;
1616 int imm8, rot_amount;
1619 if (!acfg->aot_opts.use_trampolines_page)
1622 acfg->tramp_page_size = pagesize;
1624 sprintf (symbol, "%sspecific_trampolines_page", acfg->user_symbol_prefix);
1625 emit_alignment (acfg, pagesize);
1626 emit_global (acfg, symbol, TRUE);
1627 emit_label (acfg, symbol);
1629 /* emit the generic code first, the trampoline address + 8 is in the lr register */
1631 imm8 = mono_arm_is_rotated_imm8 (pagesize, &rot_amount);
1632 ARM_SUB_REG_IMM (code, ARMREG_LR, ARMREG_LR, imm8, rot_amount);
1633 ARM_LDR_IMM (code, ARMREG_R1, ARMREG_LR, -8);
1634 ARM_LDR_IMM (code, ARMREG_PC, ARMREG_LR, -4);
1636 g_assert (code - buf == COMMON_TRAMP_SIZE);
1639 emit_bytes (acfg, buf, code - buf);
1641 for (i = 0; i < count; ++i) {
1643 ARM_PUSH (code, 0x5fff);
1645 arm_patch (code - 4, code - COMMON_TRAMP_SIZE - 8 * (i + 1));
1646 g_assert (code - buf == 8);
1647 emit_bytes (acfg, buf, code - buf);
1650 /* now the rgctx trampolines: each specific trampolines puts in the ip register
1651 * the instruction pointer address, so the generic trampoline at the start of the page
1652 * subtracts 4096 to get to the data page and loads the values
1653 * We again fit the generic trampiline in 16 bytes.
1655 sprintf (symbol, "%srgctx_trampolines_page", acfg->user_symbol_prefix);
1656 emit_global (acfg, symbol, TRUE);
1657 emit_label (acfg, symbol);
1659 imm8 = mono_arm_is_rotated_imm8 (pagesize, &rot_amount);
1660 ARM_SUB_REG_IMM (code, ARMREG_IP, ARMREG_IP, imm8, rot_amount);
1661 ARM_LDR_IMM (code, MONO_ARCH_RGCTX_REG, ARMREG_IP, -8);
1662 ARM_LDR_IMM (code, ARMREG_PC, ARMREG_IP, -4);
1664 g_assert (code - buf == COMMON_TRAMP_SIZE);
1667 emit_bytes (acfg, buf, code - buf);
1669 for (i = 0; i < count; ++i) {
1671 ARM_MOV_REG_REG (code, ARMREG_IP, ARMREG_PC);
1673 arm_patch (code - 4, code - COMMON_TRAMP_SIZE - 8 * (i + 1));
1674 g_assert (code - buf == 8);
1675 emit_bytes (acfg, buf, code - buf);
1679 * gsharedvt arg trampolines: see arch_emit_gsharedvt_arg_trampoline ()
1681 sprintf (symbol, "%sgsharedvt_arg_trampolines_page", acfg->user_symbol_prefix);
1682 emit_global (acfg, symbol, TRUE);
1683 emit_label (acfg, symbol);
1685 ARM_PUSH (code, (1 << ARMREG_R0) | (1 << ARMREG_R1) | (1 << ARMREG_R2) | (1 << ARMREG_R3));
1686 imm8 = mono_arm_is_rotated_imm8 (pagesize, &rot_amount);
1687 ARM_SUB_REG_IMM (code, ARMREG_IP, ARMREG_IP, imm8, rot_amount);
1688 ARM_LDR_IMM (code, ARMREG_R0, ARMREG_IP, -8);
1689 ARM_LDR_IMM (code, ARMREG_PC, ARMREG_IP, -4);
1690 g_assert (code - buf == COMMON_TRAMP_SIZE);
1692 emit_bytes (acfg, buf, code - buf);
1694 for (i = 0; i < count; ++i) {
1696 ARM_MOV_REG_REG (code, ARMREG_IP, ARMREG_PC);
1698 arm_patch (code - 4, code - COMMON_TRAMP_SIZE - 8 * (i + 1));
1699 g_assert (code - buf == 8);
1700 emit_bytes (acfg, buf, code - buf);
1703 /* now the imt trampolines: each specific trampolines puts in the ip register
1704 * the instruction pointer address, so the generic trampoline at the start of the page
1705 * subtracts 4096 to get to the data page and loads the values
1707 #define IMT_TRAMP_SIZE 72
1708 sprintf (symbol, "%simt_trampolines_page", acfg->user_symbol_prefix);
1709 emit_global (acfg, symbol, TRUE);
1710 emit_label (acfg, symbol);
1712 /* Need at least two free registers, plus a slot for storing the pc */
1713 ARM_PUSH (code, (1 << ARMREG_R0)|(1 << ARMREG_R1)|(1 << ARMREG_R2));
1715 imm8 = mono_arm_is_rotated_imm8 (pagesize, &rot_amount);
1716 ARM_SUB_REG_IMM (code, ARMREG_IP, ARMREG_IP, imm8, rot_amount);
1717 ARM_LDR_IMM (code, ARMREG_R0, ARMREG_IP, -8);
1719 /* The IMT method is in v5, r0 has the imt array address */
1722 ARM_LDR_IMM (code, ARMREG_R1, ARMREG_R0, 0);
1723 ARM_CMP_REG_REG (code, ARMREG_R1, ARMREG_V5);
1724 imt_found_check = code;
1725 ARM_B_COND (code, ARMCOND_EQ, 0);
1727 /* End-of-loop check */
1728 ARM_CMP_REG_IMM (code, ARMREG_R1, 0, 0);
1729 loop_end_check = code;
1730 ARM_B_COND (code, ARMCOND_EQ, 0);
1733 ARM_ADD_REG_IMM8 (code, ARMREG_R0, ARMREG_R0, sizeof (gpointer) * 2);
1734 loop_branch_back = code;
1736 arm_patch (loop_branch_back, loop_start);
1739 arm_patch (imt_found_check, code);
1740 ARM_LDR_IMM (code, ARMREG_R0, ARMREG_R0, 4);
1741 ARM_LDR_IMM (code, ARMREG_R0, ARMREG_R0, 0);
1742 /* Save it to the third stack slot */
1743 ARM_STR_IMM (code, ARMREG_R0, ARMREG_SP, 8);
1744 /* Restore the registers and branch */
1745 ARM_POP (code, (1 << ARMREG_R0)|(1 << ARMREG_R1)|(1 << ARMREG_PC));
1748 arm_patch (loop_end_check, code);
1749 ARM_LDR_IMM (code, ARMREG_R0, ARMREG_R0, 4);
1750 ARM_STR_IMM (code, ARMREG_R0, ARMREG_SP, 8);
1751 ARM_POP (code, (1 << ARMREG_R0)|(1 << ARMREG_R1)|(1 << ARMREG_PC));
1755 g_assert (code - buf == IMT_TRAMP_SIZE);
1756 emit_bytes (acfg, buf, code - buf);
1758 for (i = 0; i < count; ++i) {
1760 ARM_MOV_REG_REG (code, ARMREG_IP, ARMREG_PC);
1762 arm_patch (code - 4, code - IMT_TRAMP_SIZE - 8 * (i + 1));
1763 g_assert (code - buf == 8);
1764 emit_bytes (acfg, buf, code - buf);
1767 acfg->tramp_page_code_offsets [MONO_AOT_TRAMP_SPECIFIC] = 16;
1768 acfg->tramp_page_code_offsets [MONO_AOT_TRAMP_STATIC_RGCTX] = 16;
1769 acfg->tramp_page_code_offsets [MONO_AOT_TRAMP_IMT] = 72;
1770 acfg->tramp_page_code_offsets [MONO_AOT_TRAMP_GSHAREDVT_ARG] = 16;
1772 /* Unwind info for specifc trampolines */
1773 sprintf (symbol, "%sspecific_trampolines_page_gen_p", acfg->user_symbol_prefix);
1774 /* We unwind to the original caller, from the stack, since lr is clobbered */
1775 mono_add_unwind_op_def_cfa (unwind_ops, 0, 0, ARMREG_SP, 14 * sizeof (mgreg_t));
1776 mono_add_unwind_op_offset (unwind_ops, 0, 0, ARMREG_LR, -4);
1777 save_unwind_info (acfg, symbol, unwind_ops);
1778 mono_free_unwind_info (unwind_ops);
1780 sprintf (symbol, "%sspecific_trampolines_page_sp_p", acfg->user_symbol_prefix);
1781 mono_add_unwind_op_def_cfa (unwind_ops, 0, 0, ARMREG_SP, 0);
1782 mono_add_unwind_op_def_cfa_offset (unwind_ops, 4, 0, 14 * sizeof (mgreg_t));
1783 save_unwind_info (acfg, symbol, unwind_ops);
1784 mono_free_unwind_info (unwind_ops);
1786 /* Unwind info for rgctx trampolines */
1787 sprintf (symbol, "%srgctx_trampolines_page_gen_p", acfg->user_symbol_prefix);
1788 mono_add_unwind_op_def_cfa (unwind_ops, 0, 0, ARMREG_SP, 0);
1789 save_unwind_info (acfg, symbol, unwind_ops);
1791 sprintf (symbol, "%srgctx_trampolines_page_sp_p", acfg->user_symbol_prefix);
1792 save_unwind_info (acfg, symbol, unwind_ops);
1793 mono_free_unwind_info (unwind_ops);
1795 /* Unwind info for gsharedvt trampolines */
1796 sprintf (symbol, "%sgsharedvt_trampolines_page_gen_p", acfg->user_symbol_prefix);
1797 mono_add_unwind_op_def_cfa (unwind_ops, 0, 0, ARMREG_SP, 0);
1798 mono_add_unwind_op_def_cfa_offset (unwind_ops, 4, 0, 4 * sizeof (mgreg_t));
1799 save_unwind_info (acfg, symbol, unwind_ops);
1800 mono_free_unwind_info (unwind_ops);
1802 sprintf (symbol, "%sgsharedvt_trampolines_page_sp_p", acfg->user_symbol_prefix);
1803 mono_add_unwind_op_def_cfa (unwind_ops, 0, 0, ARMREG_SP, 0);
1804 save_unwind_info (acfg, symbol, unwind_ops);
1805 mono_free_unwind_info (unwind_ops);
1807 /* Unwind info for imt trampolines */
1808 sprintf (symbol, "%simt_trampolines_page_gen_p", acfg->user_symbol_prefix);
1809 mono_add_unwind_op_def_cfa (unwind_ops, 0, 0, ARMREG_SP, 0);
1810 mono_add_unwind_op_def_cfa_offset (unwind_ops, 4, 0, 3 * sizeof (mgreg_t));
1811 save_unwind_info (acfg, symbol, unwind_ops);
1812 mono_free_unwind_info (unwind_ops);
1814 sprintf (symbol, "%simt_trampolines_page_sp_p", acfg->user_symbol_prefix);
1815 mono_add_unwind_op_def_cfa (unwind_ops, 0, 0, ARMREG_SP, 0);
1816 save_unwind_info (acfg, symbol, unwind_ops);
1817 mono_free_unwind_info (unwind_ops);
1818 #elif defined(TARGET_ARM64)
1819 arm64_emit_specific_trampoline_pages (acfg);
1824 * arch_emit_specific_trampoline:
1826 * Emit code for a specific trampoline. OFFSET is the offset of the first of
1827 * two GOT slots which contain the generic trampoline address and the trampoline
1828 * argument. TRAMP_SIZE is set to the size of the emitted trampoline.
1831 arch_emit_specific_trampoline (MonoAotCompile *acfg, int offset, int *tramp_size)
1834 * The trampolines created here are variations of the specific
1835 * trampolines created in mono_arch_create_specific_trampoline (). The
1837 * - the generic trampoline address is taken from a got slot.
1838 * - the offset of the got slot where the trampoline argument is stored
1839 * is embedded in the instruction stream, and the generic trampoline
1840 * can load the argument by loading the offset, adding it to the
1841 * address of the trampoline to get the address of the got slot, and
1842 * loading the argument from there.
1843 * - all the trampolines should be of the same length.
1845 #if defined(TARGET_AMD64)
1846 /* This should be exactly 8 bytes long */
1848 /* call *<offset>(%rip) */
1850 emit_unset_mode (acfg);
1851 fprintf (acfg->fp, "call *%s+%d(%%rip)\n", acfg->got_symbol, (int)(offset * sizeof (gpointer)));
1852 emit_zero_bytes (acfg, 2);
1854 emit_byte (acfg, '\x41');
1855 emit_byte (acfg, '\xff');
1856 emit_byte (acfg, '\x15');
1857 emit_symbol_diff (acfg, acfg->got_symbol, ".", (offset * sizeof (gpointer)) - 4);
1858 emit_zero_bytes (acfg, 1);
1860 #elif defined(TARGET_ARM)
1864 /* This should be exactly 20 bytes long */
1867 ARM_PUSH (code, 0x5fff);
1868 ARM_LDR_IMM (code, ARMREG_R1, ARMREG_PC, 4);
1869 /* Load the value from the GOT */
1870 ARM_LDR_REG_REG (code, ARMREG_R1, ARMREG_PC, ARMREG_R1);
1872 ARM_BLX_REG (code, ARMREG_R1);
1874 g_assert (code - buf == 16);
1877 emit_bytes (acfg, buf, code - buf);
1879 * Only one offset is needed, since the second one would be equal to the
1882 emit_symbol_diff (acfg, acfg->got_symbol, ".", (offset * sizeof (gpointer)) - 4 + 4);
1883 //emit_symbol_diff (acfg, acfg->got_symbol, ".", ((offset + 1) * sizeof (gpointer)) - 4 + 8);
1884 #elif defined(TARGET_ARM64)
1885 arm64_emit_specific_trampoline (acfg, offset, tramp_size);
1886 #elif defined(TARGET_POWERPC)
1894 * PPC has no ip relative addressing, so we need to compute the address
1895 * of the mscorlib got. That is slow and complex, so instead, we store it
1896 * in the second got slot of every aot image. The caller already computed
1897 * the address of its got and placed it into r30.
1899 emit_unset_mode (acfg);
1900 /* Load mscorlib got address */
1901 fprintf (acfg->fp, "%s 0, %d(30)\n", PPC_LD_OP, (int)sizeof (gpointer));
1902 /* Load generic trampoline address */
1903 fprintf (acfg->fp, "lis 11, %d@h\n", (int)(offset * sizeof (gpointer)));
1904 fprintf (acfg->fp, "ori 11, 11, %d@l\n", (int)(offset * sizeof (gpointer)));
1905 fprintf (acfg->fp, "%s 11, 11, 0\n", PPC_LDX_OP);
1906 #ifdef PPC_USES_FUNCTION_DESCRIPTOR
1907 fprintf (acfg->fp, "%s 11, 0(11)\n", PPC_LD_OP);
1909 fprintf (acfg->fp, "mtctr 11\n");
1910 /* Load trampoline argument */
1911 /* On ppc, we pass it normally to the generic trampoline */
1912 fprintf (acfg->fp, "lis 11, %d@h\n", (int)((offset + 1) * sizeof (gpointer)));
1913 fprintf (acfg->fp, "ori 11, 11, %d@l\n", (int)((offset + 1) * sizeof (gpointer)));
1914 fprintf (acfg->fp, "%s 0, 11, 0\n", PPC_LDX_OP);
1915 /* Branch to generic trampoline */
1916 fprintf (acfg->fp, "bctr\n");
1918 #ifdef PPC_USES_FUNCTION_DESCRIPTOR
1919 *tramp_size = 10 * 4;
1921 *tramp_size = 9 * 4;
1923 #elif defined(TARGET_X86)
1927 /* Similar to the PPC code above */
1929 /* FIXME: Could this clobber the register needed by get_vcall_slot () ? */
1932 /* Load mscorlib got address */
1933 x86_mov_reg_membase (code, X86_ECX, MONO_ARCH_GOT_REG, sizeof (gpointer), 4);
1934 /* Push trampoline argument */
1935 x86_push_membase (code, X86_ECX, (offset + 1) * sizeof (gpointer));
1936 /* Load generic trampoline address */
1937 x86_mov_reg_membase (code, X86_ECX, X86_ECX, offset * sizeof (gpointer), 4);
1938 /* Branch to generic trampoline */
1939 x86_jump_reg (code, X86_ECX);
1941 emit_bytes (acfg, buf, code - buf);
1944 g_assert (code - buf == *tramp_size);
1946 g_assert_not_reached ();
1951 * arch_emit_unbox_trampoline:
1953 * Emit code for the unbox trampoline for METHOD used in the full-aot case.
1954 * CALL_TARGET is the symbol pointing to the native code of METHOD.
1957 arch_emit_unbox_trampoline (MonoAotCompile *acfg, MonoCompile *cfg, MonoMethod *method, const char *call_target)
1959 #if defined(TARGET_AMD64)
1964 this_reg = mono_arch_get_this_arg_reg (NULL);
1966 amd64_alu_reg_imm (code, X86_ADD, this_reg, sizeof (MonoObject));
1968 emit_bytes (acfg, buf, code - buf);
1971 emit_unset_mode (acfg);
1972 fprintf (acfg->fp, "jmp %s\n", call_target);
1974 emit_byte (acfg, '\xe9');
1975 emit_symbol_diff (acfg, call_target, ".", -4);
1977 #elif defined(TARGET_X86)
1984 x86_alu_membase_imm (code, X86_ADD, X86_ESP, this_pos, sizeof (MonoObject));
1986 emit_bytes (acfg, buf, code - buf);
1989 emit_byte (acfg, '\xe9');
1990 emit_symbol_diff (acfg, call_target, ".", -4);
1991 #elif defined(TARGET_ARM)
1995 if (acfg->thumb_mixed && cfg->compile_llvm) {
1996 fprintf (acfg->fp, "add r0, r0, #%d\n", (int)sizeof (MonoObject));
1997 fprintf (acfg->fp, "b %s\n", call_target);
1998 fprintf (acfg->fp, ".arm\n");
1999 fprintf (acfg->fp, ".align 2\n");
2005 ARM_ADD_REG_IMM8 (code, ARMREG_R0, ARMREG_R0, sizeof (MonoObject));
2007 emit_bytes (acfg, buf, code - buf);
2008 /* jump to method */
2009 if (acfg->thumb_mixed && cfg->compile_llvm)
2010 fprintf (acfg->fp, "\n\tbx %s\n", call_target);
2012 fprintf (acfg->fp, "\n\tb %s\n", call_target);
2013 #elif defined(TARGET_ARM64)
2014 arm64_emit_unbox_trampoline (acfg, cfg, method, call_target);
2015 #elif defined(TARGET_POWERPC)
2018 fprintf (acfg->fp, "\n\taddi %d, %d, %d\n", this_pos, this_pos, (int)sizeof (MonoObject));
2019 fprintf (acfg->fp, "\n\tb %s\n", call_target);
2021 g_assert_not_reached ();
2026 * arch_emit_static_rgctx_trampoline:
2028 * Emit code for a static rgctx trampoline. OFFSET is the offset of the first of
2029 * two GOT slots which contain the rgctx argument, and the method to jump to.
2030 * TRAMP_SIZE is set to the size of the emitted trampoline.
2031 * These kinds of trampolines cannot be enumerated statically, since there could
2032 * be one trampoline per method instantiation, so we emit the same code for all
2033 * trampolines, and parameterize them using two GOT slots.
2036 arch_emit_static_rgctx_trampoline (MonoAotCompile *acfg, int offset, int *tramp_size)
2038 #if defined(TARGET_AMD64)
2039 /* This should be exactly 13 bytes long */
2043 emit_unset_mode (acfg);
2044 fprintf (acfg->fp, "mov %s+%d(%%rip), %%r10\n", acfg->got_symbol, (int)(offset * sizeof (gpointer)));
2045 fprintf (acfg->fp, "jmp *%s+%d(%%rip)\n", acfg->got_symbol, (int)((offset + 1) * sizeof (gpointer)));
2047 /* mov <OFFSET>(%rip), %r10 */
2048 emit_byte (acfg, '\x4d');
2049 emit_byte (acfg, '\x8b');
2050 emit_byte (acfg, '\x15');
2051 emit_symbol_diff (acfg, acfg->got_symbol, ".", (offset * sizeof (gpointer)) - 4);
2053 /* jmp *<offset>(%rip) */
2054 emit_byte (acfg, '\xff');
2055 emit_byte (acfg, '\x25');
2056 emit_symbol_diff (acfg, acfg->got_symbol, ".", ((offset + 1) * sizeof (gpointer)) - 4);
2058 #elif defined(TARGET_ARM)
2062 /* This should be exactly 24 bytes long */
2065 /* Load rgctx value */
2066 ARM_LDR_IMM (code, ARMREG_IP, ARMREG_PC, 8);
2067 ARM_LDR_REG_REG (code, MONO_ARCH_RGCTX_REG, ARMREG_PC, ARMREG_IP);
2068 /* Load branch addr + branch */
2069 ARM_LDR_IMM (code, ARMREG_IP, ARMREG_PC, 4);
2070 ARM_LDR_REG_REG (code, ARMREG_PC, ARMREG_PC, ARMREG_IP);
2072 g_assert (code - buf == 16);
2075 emit_bytes (acfg, buf, code - buf);
2076 emit_symbol_diff (acfg, acfg->got_symbol, ".", (offset * sizeof (gpointer)) - 4 + 8);
2077 emit_symbol_diff (acfg, acfg->got_symbol, ".", ((offset + 1) * sizeof (gpointer)) - 4 + 4);
2078 #elif defined(TARGET_ARM64)
2079 arm64_emit_static_rgctx_trampoline (acfg, offset, tramp_size);
2080 #elif defined(TARGET_POWERPC)
2088 * PPC has no ip relative addressing, so we need to compute the address
2089 * of the mscorlib got. That is slow and complex, so instead, we store it
2090 * in the second got slot of every aot image. The caller already computed
2091 * the address of its got and placed it into r30.
2093 emit_unset_mode (acfg);
2094 /* Load mscorlib got address */
2095 fprintf (acfg->fp, "%s 0, %d(30)\n", PPC_LD_OP, (int)sizeof (gpointer));
2097 fprintf (acfg->fp, "lis 11, %d@h\n", (int)(offset * sizeof (gpointer)));
2098 fprintf (acfg->fp, "ori 11, 11, %d@l\n", (int)(offset * sizeof (gpointer)));
2099 fprintf (acfg->fp, "%s %d, 11, 0\n", PPC_LDX_OP, MONO_ARCH_RGCTX_REG);
2100 /* Load target address */
2101 fprintf (acfg->fp, "lis 11, %d@h\n", (int)((offset + 1) * sizeof (gpointer)));
2102 fprintf (acfg->fp, "ori 11, 11, %d@l\n", (int)((offset + 1) * sizeof (gpointer)));
2103 fprintf (acfg->fp, "%s 11, 11, 0\n", PPC_LDX_OP);
2104 #ifdef PPC_USES_FUNCTION_DESCRIPTOR
2105 fprintf (acfg->fp, "%s 2, %d(11)\n", PPC_LD_OP, (int)sizeof (gpointer));
2106 fprintf (acfg->fp, "%s 11, 0(11)\n", PPC_LD_OP);
2108 fprintf (acfg->fp, "mtctr 11\n");
2109 /* Branch to the target address */
2110 fprintf (acfg->fp, "bctr\n");
2112 #ifdef PPC_USES_FUNCTION_DESCRIPTOR
2113 *tramp_size = 11 * 4;
2115 *tramp_size = 9 * 4;
2118 #elif defined(TARGET_X86)
2122 /* Similar to the PPC code above */
2124 g_assert (MONO_ARCH_RGCTX_REG != X86_ECX);
2127 /* Load mscorlib got address */
2128 x86_mov_reg_membase (code, X86_ECX, MONO_ARCH_GOT_REG, sizeof (gpointer), 4);
2130 x86_mov_reg_membase (code, MONO_ARCH_RGCTX_REG, X86_ECX, offset * sizeof (gpointer), 4);
2131 /* Branch to the target address */
2132 x86_jump_membase (code, X86_ECX, (offset + 1) * sizeof (gpointer));
2134 emit_bytes (acfg, buf, code - buf);
2137 g_assert (code - buf == *tramp_size);
2139 g_assert_not_reached ();
2144 * arch_emit_imt_trampoline:
2146 * Emit an IMT trampoline usable in full-aot mode. The trampoline uses 1 got slot which
2147 * points to an array of pointer pairs. The pairs of the form [key, ptr], where
2148 * key is the IMT key, and ptr holds the address of a memory location holding
2149 * the address to branch to if the IMT arg matches the key. The array is
2150 * terminated by a pair whose key is NULL, and whose ptr is the address of the
2152 * TRAMP_SIZE is set to the size of the emitted trampoline.
2155 arch_emit_imt_trampoline (MonoAotCompile *acfg, int offset, int *tramp_size)
2157 #if defined(TARGET_AMD64)
2159 guint8 *labels [16];
2161 guint8 *mov_buf_ptr = mov_buf;
2163 const int kSizeOfMove = 7;
2165 code = buf = (guint8 *)g_malloc (256);
2167 /* FIXME: Optimize this, i.e. use binary search etc. */
2168 /* Maybe move the body into a separate function (slower, but much smaller) */
2170 /* MONO_ARCH_IMT_SCRATCH_REG is a free register */
2173 emit_unset_mode (acfg);
2174 fprintf (acfg->fp, "mov %s+%d(%%rip), %s\n", acfg->got_symbol, (int)(offset * sizeof (gpointer)), mono_arch_regname (MONO_ARCH_IMT_SCRATCH_REG));
2178 amd64_alu_membase_imm (code, X86_CMP, MONO_ARCH_IMT_SCRATCH_REG, 0, 0);
2180 amd64_branch8 (code, X86_CC_Z, 0, FALSE);
2183 amd64_alu_membase_reg_size (code, X86_CMP, MONO_ARCH_IMT_SCRATCH_REG, 0, MONO_ARCH_IMT_REG, sizeof (gpointer));
2185 amd64_branch8 (code, X86_CC_Z, 0, FALSE);
2188 amd64_alu_reg_imm (code, X86_ADD, MONO_ARCH_IMT_SCRATCH_REG, 2 * sizeof (gpointer));
2189 amd64_jump_code (code, labels [0]);
2192 mono_amd64_patch (labels [2], code);
2193 amd64_mov_reg_membase (code, MONO_ARCH_IMT_SCRATCH_REG, MONO_ARCH_IMT_SCRATCH_REG, sizeof (gpointer), sizeof (gpointer));
2194 amd64_jump_membase (code, MONO_ARCH_IMT_SCRATCH_REG, 0);
2197 mono_amd64_patch (labels [1], code);
2198 /* Load fail tramp */
2199 amd64_alu_reg_imm (code, X86_ADD, MONO_ARCH_IMT_SCRATCH_REG, sizeof (gpointer));
2200 /* Check if there is a fail tramp */
2201 amd64_alu_membase_imm (code, X86_CMP, MONO_ARCH_IMT_SCRATCH_REG, 0, 0);
2203 amd64_branch8 (code, X86_CC_Z, 0, FALSE);
2204 /* Jump to fail tramp */
2205 amd64_jump_membase (code, MONO_ARCH_IMT_SCRATCH_REG, 0);
2208 mono_amd64_patch (labels [3], code);
2209 x86_breakpoint (code);
2212 /* mov <OFFSET>(%rip), MONO_ARCH_IMT_SCRATCH_REG */
2213 amd64_emit_rex (mov_buf_ptr, sizeof(gpointer), MONO_ARCH_IMT_SCRATCH_REG, 0, AMD64_RIP);
2214 *(mov_buf_ptr)++ = (unsigned char)0x8b; /* mov opcode */
2215 x86_address_byte (mov_buf_ptr, 0, MONO_ARCH_IMT_SCRATCH_REG & 0x7, 5);
2216 emit_bytes (acfg, mov_buf, mov_buf_ptr - mov_buf);
2217 emit_symbol_diff (acfg, acfg->got_symbol, ".", (offset * sizeof (gpointer)) - 4);
2219 emit_bytes (acfg, buf, code - buf);
2221 *tramp_size = code - buf + kSizeOfMove;
2225 #elif defined(TARGET_X86)
2227 guint8 *labels [16];
2229 code = buf = g_malloc (256);
2231 /* Allocate a temporary stack slot */
2232 x86_push_reg (code, X86_EAX);
2234 x86_push_reg (code, X86_EAX);
2236 /* Load mscorlib got address */
2237 x86_mov_reg_membase (code, X86_EAX, MONO_ARCH_GOT_REG, sizeof (gpointer), 4);
2239 x86_mov_reg_membase (code, X86_EAX, X86_EAX, offset * sizeof (gpointer), 4);
2242 x86_alu_membase_imm (code, X86_CMP, X86_EAX, 0, 0);
2244 x86_branch8 (code, X86_CC_Z, FALSE, 0);
2247 x86_alu_membase_reg (code, X86_CMP, X86_EAX, 0, MONO_ARCH_IMT_REG);
2249 x86_branch8 (code, X86_CC_Z, FALSE, 0);
2252 x86_alu_reg_imm (code, X86_ADD, X86_EAX, 2 * sizeof (gpointer));
2253 x86_jump_code (code, labels [0]);
2256 mono_x86_patch (labels [2], code);
2257 x86_mov_reg_membase (code, X86_EAX, X86_EAX, sizeof (gpointer), 4);
2258 x86_mov_reg_membase (code, X86_EAX, X86_EAX, 0, 4);
2259 /* Save the target address to the temporary stack location */
2260 x86_mov_membase_reg (code, X86_ESP, 4, X86_EAX, 4);
2262 x86_pop_reg (code, X86_EAX);
2263 /* Jump to the target address */
2267 mono_x86_patch (labels [1], code);
2268 /* Load fail tramp */
2269 x86_mov_reg_membase (code, X86_EAX, X86_EAX, sizeof (gpointer), 4);
2270 x86_alu_membase_imm (code, X86_CMP, X86_EAX, 0, 0);
2272 x86_branch8 (code, X86_CC_Z, FALSE, 0);
2273 /* Jump to fail tramp */
2274 x86_mov_membase_reg (code, X86_ESP, 4, X86_EAX, 4);
2275 x86_pop_reg (code, X86_EAX);
2279 mono_x86_patch (labels [3], code);
2280 x86_breakpoint (code);
2282 emit_bytes (acfg, buf, code - buf);
2284 *tramp_size = code - buf;
2288 #elif defined(TARGET_ARM)
2290 guint8 *code, *code2, *labels [16];
2294 /* The IMT method is in v5 */
2296 /* Need at least two free registers, plus a slot for storing the pc */
2297 ARM_PUSH (code, (1 << ARMREG_R0)|(1 << ARMREG_R1)|(1 << ARMREG_R2));
2299 /* Load the parameter from the GOT */
2300 ARM_LDR_IMM (code, ARMREG_R0, ARMREG_PC, 0);
2301 ARM_LDR_REG_REG (code, ARMREG_R0, ARMREG_PC, ARMREG_R0);
2304 ARM_LDR_IMM (code, ARMREG_R1, ARMREG_R0, 0);
2305 ARM_CMP_REG_REG (code, ARMREG_R1, ARMREG_V5);
2307 ARM_B_COND (code, ARMCOND_EQ, 0);
2309 /* End-of-loop check */
2310 ARM_CMP_REG_IMM (code, ARMREG_R1, 0, 0);
2312 ARM_B_COND (code, ARMCOND_EQ, 0);
2315 ARM_ADD_REG_IMM8 (code, ARMREG_R0, ARMREG_R0, sizeof (gpointer) * 2);
2318 arm_patch (labels [4], labels [1]);
2321 arm_patch (labels [2], code);
2322 ARM_LDR_IMM (code, ARMREG_R0, ARMREG_R0, 4);
2323 ARM_LDR_IMM (code, ARMREG_R0, ARMREG_R0, 0);
2324 /* Save it to the third stack slot */
2325 ARM_STR_IMM (code, ARMREG_R0, ARMREG_SP, 8);
2326 /* Restore the registers and branch */
2327 ARM_POP (code, (1 << ARMREG_R0)|(1 << ARMREG_R1)|(1 << ARMREG_PC));
2330 arm_patch (labels [3], code);
2331 ARM_LDR_IMM (code, ARMREG_R0, ARMREG_R0, 4);
2332 ARM_STR_IMM (code, ARMREG_R0, ARMREG_SP, 8);
2333 ARM_POP (code, (1 << ARMREG_R0)|(1 << ARMREG_R1)|(1 << ARMREG_PC));
2337 ARM_LDR_IMM (code2, ARMREG_R0, ARMREG_PC, (code - (labels [0] + 8)));
2339 emit_bytes (acfg, buf, code - buf);
2340 emit_symbol_diff (acfg, acfg->got_symbol, ".", (offset * sizeof (gpointer)) + (code - (labels [0] + 8)) - 4);
2342 *tramp_size = code - buf + 4;
2343 #elif defined(TARGET_ARM64)
2344 arm64_emit_imt_trampoline (acfg, offset, tramp_size);
2345 #elif defined(TARGET_POWERPC)
2347 guint8 *code, *labels [16];
2351 /* Load the mscorlib got address */
2352 ppc_ldptr (code, ppc_r12, sizeof (gpointer), ppc_r30);
2353 /* Load the parameter from the GOT */
2354 ppc_load (code, ppc_r0, offset * sizeof (gpointer));
2355 ppc_ldptr_indexed (code, ppc_r12, ppc_r12, ppc_r0);
2357 /* Load and check key */
2359 ppc_ldptr (code, ppc_r0, 0, ppc_r12);
2360 ppc_cmp (code, 0, sizeof (gpointer) == 8 ? 1 : 0, ppc_r0, MONO_ARCH_IMT_REG);
2362 ppc_bc (code, PPC_BR_TRUE, PPC_BR_EQ, 0);
2364 /* End-of-loop check */
2365 ppc_cmpi (code, 0, sizeof (gpointer) == 8 ? 1 : 0, ppc_r0, 0);
2367 ppc_bc (code, PPC_BR_TRUE, PPC_BR_EQ, 0);
2370 ppc_addi (code, ppc_r12, ppc_r12, 2 * sizeof (gpointer));
2373 mono_ppc_patch (labels [4], labels [1]);
2376 mono_ppc_patch (labels [2], code);
2377 ppc_ldptr (code, ppc_r12, sizeof (gpointer), ppc_r12);
2378 /* r12 now contains the value of the vtable slot */
2379 /* this is not a function descriptor on ppc64 */
2380 ppc_ldptr (code, ppc_r12, 0, ppc_r12);
2381 ppc_mtctr (code, ppc_r12);
2382 ppc_bcctr (code, PPC_BR_ALWAYS, 0);
2385 mono_ppc_patch (labels [3], code);
2389 *tramp_size = code - buf;
2391 emit_bytes (acfg, buf, code - buf);
2393 g_assert_not_reached ();
2398 #if defined (TARGET_AMD64)
2401 amd64_emit_load_got_slot (MonoAotCompile *acfg, int dreg, int got_slot)
2404 g_assert (acfg->fp);
2405 emit_unset_mode (acfg);
2407 fprintf (acfg->fp, "mov %s+%d(%%rip), %s\n", acfg->got_symbol, (unsigned int) ((got_slot * sizeof (gpointer))), mono_arch_regname (dreg));
2414 * arch_emit_gsharedvt_arg_trampoline:
2416 * Emit code for a gsharedvt arg trampoline. OFFSET is the offset of the first of
2417 * two GOT slots which contain the argument, and the code to jump to.
2418 * TRAMP_SIZE is set to the size of the emitted trampoline.
2419 * These kinds of trampolines cannot be enumerated statically, since there could
2420 * be one trampoline per method instantiation, so we emit the same code for all
2421 * trampolines, and parameterize them using two GOT slots.
2424 arch_emit_gsharedvt_arg_trampoline (MonoAotCompile *acfg, int offset, int *tramp_size)
2426 #if defined(TARGET_X86)
2430 /* Similar to the PPC code above */
2432 g_assert (MONO_ARCH_RGCTX_REG != X86_ECX);
2435 /* Load mscorlib got address */
2436 x86_mov_reg_membase (code, X86_ECX, MONO_ARCH_GOT_REG, sizeof (gpointer), 4);
2438 x86_mov_reg_membase (code, X86_EAX, X86_ECX, offset * sizeof (gpointer), 4);
2439 /* Branch to the target address */
2440 x86_jump_membase (code, X86_ECX, (offset + 1) * sizeof (gpointer));
2442 emit_bytes (acfg, buf, code - buf);
2445 g_assert (code - buf == *tramp_size);
2446 #elif defined(TARGET_ARM)
2450 /* The same as mono_arch_get_gsharedvt_arg_trampoline (), but for AOT */
2451 /* Similar to arch_emit_specific_trampoline () */
2454 ARM_PUSH (code, (1 << ARMREG_R0) | (1 << ARMREG_R1) | (1 << ARMREG_R2) | (1 << ARMREG_R3));
2455 ARM_LDR_IMM (code, ARMREG_R1, ARMREG_PC, 8);
2456 /* Load the arg value from the GOT */
2457 ARM_LDR_REG_REG (code, ARMREG_R0, ARMREG_PC, ARMREG_R1);
2458 /* Load the addr from the GOT */
2459 ARM_LDR_REG_REG (code, ARMREG_R1, ARMREG_PC, ARMREG_R1);
2461 ARM_BX (code, ARMREG_R1);
2463 g_assert (code - buf == 20);
2466 emit_bytes (acfg, buf, code - buf);
2467 emit_symbol_diff (acfg, acfg->got_symbol, ".", (offset * sizeof (gpointer)) + 4);
2468 #elif defined(TARGET_ARM64)
2469 arm64_emit_gsharedvt_arg_trampoline (acfg, offset, tramp_size);
2470 #elif defined (TARGET_AMD64)
2472 amd64_emit_load_got_slot (acfg, AMD64_RAX, offset);
2473 amd64_emit_load_got_slot (acfg, MONO_ARCH_IMT_SCRATCH_REG, offset + 1);
2474 g_assert (AMD64_R11 == MONO_ARCH_IMT_SCRATCH_REG);
2475 fprintf (acfg->fp, "jmp *%%r11\n");
2479 g_assert_not_reached ();
2483 /* END OF ARCH SPECIFIC CODE */
2486 mono_get_field_token (MonoClassField *field)
2488 MonoClass *klass = field->parent;
2491 int fcount = mono_class_get_field_count (klass);
2492 for (i = 0; i < fcount; ++i) {
2493 if (field == &klass->fields [i])
2494 return MONO_TOKEN_FIELD_DEF | (mono_class_get_first_field_idx (klass) + 1 + i);
2497 g_assert_not_reached ();
2502 encode_value (gint32 value, guint8 *buf, guint8 **endbuf)
2506 //printf ("ENCODE: %d 0x%x.\n", value, value);
2509 * Same encoding as the one used in the metadata, extended to handle values
2510 * greater than 0x1fffffff.
2512 if ((value >= 0) && (value <= 127))
2514 else if ((value >= 0) && (value <= 16383)) {
2515 p [0] = 0x80 | (value >> 8);
2516 p [1] = value & 0xff;
2518 } else if ((value >= 0) && (value <= 0x1fffffff)) {
2519 p [0] = (value >> 24) | 0xc0;
2520 p [1] = (value >> 16) & 0xff;
2521 p [2] = (value >> 8) & 0xff;
2522 p [3] = value & 0xff;
2527 p [1] = (value >> 24) & 0xff;
2528 p [2] = (value >> 16) & 0xff;
2529 p [3] = (value >> 8) & 0xff;
2530 p [4] = value & 0xff;
2538 stream_init (MonoDynamicStream *sh)
2541 sh->alloc_size = 4096;
2542 sh->data = (char *)g_malloc (4096);
2544 /* So offsets are > 0 */
2550 make_room_in_stream (MonoDynamicStream *stream, int size)
2552 if (size <= stream->alloc_size)
2555 while (stream->alloc_size <= size) {
2556 if (stream->alloc_size < 4096)
2557 stream->alloc_size = 4096;
2559 stream->alloc_size *= 2;
2562 stream->data = (char *)g_realloc (stream->data, stream->alloc_size);
2566 add_stream_data (MonoDynamicStream *stream, const char *data, guint32 len)
2570 make_room_in_stream (stream, stream->index + len);
2571 memcpy (stream->data + stream->index, data, len);
2572 idx = stream->index;
2573 stream->index += len;
2580 * Add data to the binary blob inside the aot image. Returns the offset inside the
2581 * blob where the data was stored.
2584 add_to_blob (MonoAotCompile *acfg, const guint8 *data, guint32 data_len)
2586 g_assert (!acfg->blob_closed);
2588 if (acfg->blob.alloc_size == 0)
2589 stream_init (&acfg->blob);
2591 return add_stream_data (&acfg->blob, (char*)data, data_len);
2595 add_to_blob_aligned (MonoAotCompile *acfg, const guint8 *data, guint32 data_len, guint32 align)
2600 if (acfg->blob.alloc_size == 0)
2601 stream_init (&acfg->blob);
2603 count = acfg->blob.index % align;
2605 /* we assume the stream data will be aligned */
2607 add_stream_data (&acfg->blob, buf, 4 - count);
2609 return add_stream_data (&acfg->blob, (char*)data, data_len);
2612 /* Emit a table of data into the aot image */
2614 emit_aot_data (MonoAotCompile *acfg, MonoAotFileTable table, const char *symbol, guint8 *data, int size)
2616 if (acfg->data_outfile) {
2617 acfg->table_offsets [(int)table] = acfg->datafile_offset;
2618 fwrite (data,1, size, acfg->data_outfile);
2619 acfg->datafile_offset += size;
2620 // align the data to 8 bytes. Put zeros in the file (so that every build results in consistent output).
2621 int align = 8 - size % 8;
2622 acfg->datafile_offset += align;
2623 guint8 align_buf [16];
2624 memset (&align_buf, 0, sizeof (align_buf));
2625 fwrite (align_buf, align, 1, acfg->data_outfile);
2626 } else if (acfg->llvm) {
2627 mono_llvm_emit_aot_data (symbol, data, size);
2629 emit_section_change (acfg, RODATA_SECT, 0);
2630 emit_alignment (acfg, 8);
2631 emit_label (acfg, symbol);
2632 emit_bytes (acfg, data, size);
2637 * emit_offset_table:
2639 * Emit a table of increasing offsets in a compact form using differential encoding.
2640 * There is an index entry for each GROUP_SIZE number of entries. The greater the
2641 * group size, the more compact the table becomes, but the slower it becomes to compute
2642 * a given entry. Returns the size of the table.
2645 emit_offset_table (MonoAotCompile *acfg, const char *symbol, MonoAotFileTable table, int noffsets, int group_size, gint32 *offsets)
2647 gint32 current_offset;
2648 int i, buf_size, ngroups, index_entry_size;
2650 guint8 *data_p, *data_buf;
2651 guint32 *index_offsets;
2653 ngroups = (noffsets + (group_size - 1)) / group_size;
2655 index_offsets = g_new0 (guint32, ngroups);
2657 buf_size = noffsets * 4;
2658 p = buf = (guint8 *)g_malloc0 (buf_size);
2661 for (i = 0; i < noffsets; ++i) {
2662 //printf ("D: %d -> %d\n", i, offsets [i]);
2663 if ((i % group_size) == 0) {
2664 index_offsets [i / group_size] = p - buf;
2665 /* Emit the full value for these entries */
2666 encode_value (offsets [i], p, &p);
2668 /* The offsets are allowed to be non-increasing */
2669 //g_assert (offsets [i] >= current_offset);
2670 encode_value (offsets [i] - current_offset, p, &p);
2672 current_offset = offsets [i];
2677 if (ngroups && index_offsets [ngroups - 1] < 65000)
2678 index_entry_size = 2;
2680 index_entry_size = 4;
2682 buf_size = (data_p - data_buf) + (ngroups * 4) + 16;
2683 p = buf = (guint8 *)g_malloc0 (buf_size);
2685 /* Emit the header */
2686 encode_int (noffsets, p, &p);
2687 encode_int (group_size, p, &p);
2688 encode_int (ngroups, p, &p);
2689 encode_int (index_entry_size, p, &p);
2691 /* Emit the index */
2692 for (i = 0; i < ngroups; ++i) {
2693 if (index_entry_size == 2)
2694 encode_int16 (index_offsets [i], p, &p);
2696 encode_int (index_offsets [i], p, &p);
2699 memcpy (p, data_buf, data_p - data_buf);
2700 p += data_p - data_buf;
2702 g_assert (p - buf <= buf_size);
2704 emit_aot_data (acfg, table, symbol, buf, p - buf);
2709 return (int)(p - buf);
2713 get_image_index (MonoAotCompile *cfg, MonoImage *image)
2717 index = GPOINTER_TO_UINT (g_hash_table_lookup (cfg->image_hash, image));
2721 index = g_hash_table_size (cfg->image_hash);
2722 g_hash_table_insert (cfg->image_hash, image, GUINT_TO_POINTER (index + 1));
2723 g_ptr_array_add (cfg->image_table, image);
2729 find_typespec_for_class (MonoAotCompile *acfg, MonoClass *klass)
2732 int len = acfg->image->tables [MONO_TABLE_TYPESPEC].rows;
2734 /* FIXME: Search referenced images as well */
2735 if (!acfg->typespec_classes) {
2736 acfg->typespec_classes = g_hash_table_new (NULL, NULL);
2737 for (i = 0; i < len; i++) {
2739 int typespec = MONO_TOKEN_TYPE_SPEC | (i + 1);
2740 MonoClass *klass_key = mono_class_get_and_inflate_typespec_checked (acfg->image, typespec, NULL, &error);
2741 if (!is_ok (&error)) {
2742 mono_error_cleanup (&error);
2745 g_hash_table_insert (acfg->typespec_classes, klass_key, GINT_TO_POINTER (typespec));
2748 return GPOINTER_TO_INT (g_hash_table_lookup (acfg->typespec_classes, klass));
2752 encode_method_ref (MonoAotCompile *acfg, MonoMethod *method, guint8 *buf, guint8 **endbuf);
2755 encode_klass_ref (MonoAotCompile *acfg, MonoClass *klass, guint8 *buf, guint8 **endbuf);
2758 encode_ginst (MonoAotCompile *acfg, MonoGenericInst *inst, guint8 *buf, guint8 **endbuf);
2761 encode_type (MonoAotCompile *acfg, MonoType *t, guint8 *buf, guint8 **endbuf);
2764 encode_klass_ref_inner (MonoAotCompile *acfg, MonoClass *klass, guint8 *buf, guint8 **endbuf)
2769 * The encoding begins with one of the MONO_AOT_TYPEREF values, followed by additional
2773 if (mono_class_is_ginst (klass)) {
2775 g_assert (klass->type_token);
2777 /* Find a typespec for a class if possible */
2778 token = find_typespec_for_class (acfg, klass);
2780 encode_value (MONO_AOT_TYPEREF_TYPESPEC_TOKEN, p, &p);
2781 encode_value (token, p, &p);
2783 MonoClass *gclass = mono_class_get_generic_class (klass)->container_class;
2784 MonoGenericInst *inst = mono_class_get_generic_class (klass)->context.class_inst;
2785 static int count = 0;
2788 encode_value (MONO_AOT_TYPEREF_GINST, p, &p);
2789 encode_klass_ref (acfg, gclass, p, &p);
2790 encode_ginst (acfg, inst, p, &p);
2794 } else if (klass->type_token) {
2795 int iindex = get_image_index (acfg, klass->image);
2797 g_assert (mono_metadata_token_code (klass->type_token) == MONO_TOKEN_TYPE_DEF);
2799 encode_value (MONO_AOT_TYPEREF_TYPEDEF_INDEX, p, &p);
2800 encode_value (klass->type_token - MONO_TOKEN_TYPE_DEF, p, &p);
2802 encode_value (MONO_AOT_TYPEREF_TYPEDEF_INDEX_IMAGE, p, &p);
2803 encode_value (klass->type_token - MONO_TOKEN_TYPE_DEF, p, &p);
2804 encode_value (get_image_index (acfg, klass->image), p, &p);
2806 } else if ((klass->byval_arg.type == MONO_TYPE_VAR) || (klass->byval_arg.type == MONO_TYPE_MVAR)) {
2807 MonoGenericContainer *container = mono_type_get_generic_param_owner (&klass->byval_arg);
2808 MonoGenericParam *par = klass->byval_arg.data.generic_param;
2810 encode_value (MONO_AOT_TYPEREF_VAR, p, &p);
2812 encode_value (par->gshared_constraint ? 1 : 0, p, &p);
2813 if (par->gshared_constraint) {
2814 MonoGSharedGenericParam *gpar = (MonoGSharedGenericParam*)par;
2815 encode_type (acfg, par->gshared_constraint, p, &p);
2816 encode_klass_ref (acfg, mono_class_from_generic_parameter (gpar->parent, NULL, klass->byval_arg.type == MONO_TYPE_MVAR), p, &p);
2818 encode_value (klass->byval_arg.type, p, &p);
2819 encode_value (mono_type_get_generic_param_num (&klass->byval_arg), p, &p);
2821 encode_value (container->is_anonymous ? 0 : 1, p, &p);
2823 if (!container->is_anonymous) {
2824 encode_value (container->is_method, p, &p);
2825 if (container->is_method)
2826 encode_method_ref (acfg, container->owner.method, p, &p);
2828 encode_klass_ref (acfg, container->owner.klass, p, &p);
2831 } else if (klass->byval_arg.type == MONO_TYPE_PTR) {
2832 encode_value (MONO_AOT_TYPEREF_PTR, p, &p);
2833 encode_type (acfg, &klass->byval_arg, p, &p);
2836 g_assert (klass->rank > 0);
2837 encode_value (MONO_AOT_TYPEREF_ARRAY, p, &p);
2838 encode_value (klass->rank, p, &p);
2839 encode_klass_ref (acfg, klass->element_class, p, &p);
2847 * Encode a reference to KLASS. We use our home-grown encoding instead of the
2848 * standard metadata encoding.
2851 encode_klass_ref (MonoAotCompile *acfg, MonoClass *klass, guint8 *buf, guint8 **endbuf)
2853 gboolean shared = FALSE;
2856 * The encoding of generic instances is large so emit them only once.
2858 if (mono_class_is_ginst (klass)) {
2860 g_assert (klass->type_token);
2862 /* Find a typespec for a class if possible */
2863 token = find_typespec_for_class (acfg, klass);
2866 } else if ((klass->byval_arg.type == MONO_TYPE_VAR) || (klass->byval_arg.type == MONO_TYPE_MVAR)) {
2871 guint offset = GPOINTER_TO_UINT (g_hash_table_lookup (acfg->klass_blob_hash, klass));
2875 buf2 = (guint8 *)g_malloc (1024);
2878 encode_klass_ref_inner (acfg, klass, p, &p);
2879 g_assert (p - buf2 < 1024);
2881 offset = add_to_blob (acfg, buf2, p - buf2);
2884 g_hash_table_insert (acfg->klass_blob_hash, klass, GUINT_TO_POINTER (offset + 1));
2890 encode_value (MONO_AOT_TYPEREF_BLOB_INDEX, p, &p);
2891 encode_value (offset, p, &p);
2896 encode_klass_ref_inner (acfg, klass, buf, endbuf);
2900 encode_field_info (MonoAotCompile *cfg, MonoClassField *field, guint8 *buf, guint8 **endbuf)
2902 guint32 token = mono_get_field_token (field);
2905 encode_klass_ref (cfg, field->parent, p, &p);
2906 g_assert (mono_metadata_token_code (token) == MONO_TOKEN_FIELD_DEF);
2907 encode_value (token - MONO_TOKEN_FIELD_DEF, p, &p);
2912 encode_ginst (MonoAotCompile *acfg, MonoGenericInst *inst, guint8 *buf, guint8 **endbuf)
2917 encode_value (inst->type_argc, p, &p);
2918 for (i = 0; i < inst->type_argc; ++i)
2919 encode_klass_ref (acfg, mono_class_from_mono_type (inst->type_argv [i]), p, &p);
2924 encode_generic_context (MonoAotCompile *acfg, MonoGenericContext *context, guint8 *buf, guint8 **endbuf)
2927 MonoGenericInst *inst;
2929 inst = context->class_inst;
2931 g_assert (inst->type_argc);
2932 encode_ginst (acfg, inst, p, &p);
2934 encode_value (0, p, &p);
2936 inst = context->method_inst;
2938 g_assert (inst->type_argc);
2939 encode_ginst (acfg, inst, p, &p);
2941 encode_value (0, p, &p);
2947 encode_type (MonoAotCompile *acfg, MonoType *t, guint8 *buf, guint8 **endbuf)
2951 g_assert (t->num_mods == 0);
2952 /* t->attrs can be ignored */
2953 //g_assert (t->attrs == 0);
2956 *p = MONO_TYPE_PINNED;
2960 *p = MONO_TYPE_BYREF;
2968 case MONO_TYPE_VOID:
2969 case MONO_TYPE_BOOLEAN:
2970 case MONO_TYPE_CHAR:
2983 case MONO_TYPE_STRING:
2984 case MONO_TYPE_OBJECT:
2985 case MONO_TYPE_TYPEDBYREF:
2987 case MONO_TYPE_VALUETYPE:
2988 case MONO_TYPE_CLASS:
2989 encode_klass_ref (acfg, mono_class_from_mono_type (t), p, &p);
2991 case MONO_TYPE_SZARRAY:
2992 encode_klass_ref (acfg, t->data.klass, p, &p);
2995 encode_type (acfg, t->data.type, p, &p);
2997 case MONO_TYPE_GENERICINST: {
2998 MonoClass *gclass = t->data.generic_class->container_class;
2999 MonoGenericInst *inst = t->data.generic_class->context.class_inst;
3001 encode_klass_ref (acfg, gclass, p, &p);
3002 encode_ginst (acfg, inst, p, &p);
3005 case MONO_TYPE_ARRAY: {
3006 MonoArrayType *array = t->data.array;
3009 encode_klass_ref (acfg, array->eklass, p, &p);
3010 encode_value (array->rank, p, &p);
3011 encode_value (array->numsizes, p, &p);
3012 for (i = 0; i < array->numsizes; ++i)
3013 encode_value (array->sizes [i], p, &p);
3014 encode_value (array->numlobounds, p, &p);
3015 for (i = 0; i < array->numlobounds; ++i)
3016 encode_value (array->lobounds [i], p, &p);
3020 case MONO_TYPE_MVAR:
3021 encode_klass_ref (acfg, mono_class_from_mono_type (t), p, &p);
3024 g_assert_not_reached ();
3031 encode_signature (MonoAotCompile *acfg, MonoMethodSignature *sig, guint8 *buf, guint8 **endbuf)
3037 /* Similar to the metadata encoding */
3038 if (sig->generic_param_count)
3042 if (sig->explicit_this)
3044 flags |= (sig->call_convention & 0x0F);
3048 if (sig->generic_param_count)
3049 encode_value (sig->generic_param_count, p, &p);
3050 encode_value (sig->param_count, p, &p);
3052 encode_type (acfg, sig->ret, p, &p);
3053 for (i = 0; i < sig->param_count; ++i) {
3054 if (sig->sentinelpos == i) {
3055 *p = MONO_TYPE_SENTINEL;
3058 encode_type (acfg, sig->params [i], p, &p);
3064 #define MAX_IMAGE_INDEX 250
3067 encode_method_ref (MonoAotCompile *acfg, MonoMethod *method, guint8 *buf, guint8 **endbuf)
3069 guint32 image_index = get_image_index (acfg, method->klass->image);
3070 guint32 token = method->token;
3071 MonoJumpInfoToken *ji;
3075 * The encoding for most methods is as follows:
3076 * - image index encoded as a leb128
3077 * - token index encoded as a leb128
3078 * Values of image index >= MONO_AOT_METHODREF_MIN are used to mark additional
3079 * types of method encodings.
3082 /* Mark methods which can't use aot trampolines because they need the further
3083 * processing in mono_magic_trampoline () which requires a MonoMethod*.
3085 if ((method->is_generic && (method->flags & METHOD_ATTRIBUTE_VIRTUAL)) ||
3086 (method->iflags & METHOD_IMPL_ATTRIBUTE_SYNCHRONIZED))
3087 encode_value ((MONO_AOT_METHODREF_NO_AOT_TRAMPOLINE << 24), p, &p);
3089 if (method->wrapper_type) {
3090 WrapperInfo *info = mono_marshal_get_wrapper_info (method);
3092 encode_value ((MONO_AOT_METHODREF_WRAPPER << 24), p, &p);
3094 encode_value (method->wrapper_type, p, &p);
3096 switch (method->wrapper_type) {
3097 case MONO_WRAPPER_REMOTING_INVOKE:
3098 case MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK:
3099 case MONO_WRAPPER_XDOMAIN_INVOKE: {
3102 m = mono_marshal_method_from_wrapper (method);
3104 encode_method_ref (acfg, m, p, &p);
3107 case MONO_WRAPPER_PROXY_ISINST:
3108 case MONO_WRAPPER_LDFLD:
3109 case MONO_WRAPPER_LDFLDA:
3110 case MONO_WRAPPER_STFLD:
3111 case MONO_WRAPPER_ISINST: {
3113 encode_klass_ref (acfg, info->d.proxy.klass, p, &p);
3116 case MONO_WRAPPER_ALLOC: {
3117 /* The GC name is saved once in MonoAotFileInfo */
3118 g_assert (info->d.alloc.alloc_type != -1);
3119 encode_value (info->d.alloc.alloc_type, p, &p);
3122 case MONO_WRAPPER_WRITE_BARRIER: {
3126 case MONO_WRAPPER_STELEMREF: {
3128 encode_value (info->subtype, p, &p);
3129 if (info->subtype == WRAPPER_SUBTYPE_VIRTUAL_STELEMREF)
3130 encode_value (info->d.virtual_stelemref.kind, p, &p);
3133 case MONO_WRAPPER_UNKNOWN: {
3135 encode_value (info->subtype, p, &p);
3136 if (info->subtype == WRAPPER_SUBTYPE_PTR_TO_STRUCTURE ||
3137 info->subtype == WRAPPER_SUBTYPE_STRUCTURE_TO_PTR)
3138 encode_klass_ref (acfg, method->klass, p, &p);
3139 else if (info->subtype == WRAPPER_SUBTYPE_SYNCHRONIZED_INNER)
3140 encode_method_ref (acfg, info->d.synchronized_inner.method, p, &p);
3141 else if (info->subtype == WRAPPER_SUBTYPE_ARRAY_ACCESSOR)
3142 encode_method_ref (acfg, info->d.array_accessor.method, p, &p);
3143 else if (info->subtype == WRAPPER_SUBTYPE_GSHAREDVT_IN_SIG)
3144 encode_signature (acfg, info->d.gsharedvt.sig, p, &p);
3145 else if (info->subtype == WRAPPER_SUBTYPE_GSHAREDVT_OUT_SIG)
3146 encode_signature (acfg, info->d.gsharedvt.sig, p, &p);
3149 case MONO_WRAPPER_MANAGED_TO_NATIVE: {
3151 encode_value (info->subtype, p, &p);
3152 if (info->subtype == WRAPPER_SUBTYPE_ICALL_WRAPPER) {
3153 strcpy ((char*)p, method->name);
3154 p += strlen (method->name) + 1;
3155 } else if (info->subtype == WRAPPER_SUBTYPE_NATIVE_FUNC_AOT) {
3156 encode_method_ref (acfg, info->d.managed_to_native.method, p, &p);
3158 g_assert (info->subtype == WRAPPER_SUBTYPE_NONE || info->subtype == WRAPPER_SUBTYPE_PINVOKE);
3159 encode_method_ref (acfg, info->d.managed_to_native.method, p, &p);
3163 case MONO_WRAPPER_SYNCHRONIZED: {
3166 m = mono_marshal_method_from_wrapper (method);
3168 g_assert (m != method);
3169 encode_method_ref (acfg, m, p, &p);
3172 case MONO_WRAPPER_MANAGED_TO_MANAGED: {
3174 encode_value (info->subtype, p, &p);
3176 if (info->subtype == WRAPPER_SUBTYPE_ELEMENT_ADDR) {
3177 encode_value (info->d.element_addr.rank, p, &p);
3178 encode_value (info->d.element_addr.elem_size, p, &p);
3179 } else if (info->subtype == WRAPPER_SUBTYPE_STRING_CTOR) {
3180 encode_method_ref (acfg, info->d.string_ctor.method, p, &p);
3182 g_assert_not_reached ();
3186 case MONO_WRAPPER_CASTCLASS: {
3188 encode_value (info->subtype, p, &p);
3191 case MONO_WRAPPER_RUNTIME_INVOKE: {
3193 encode_value (info->subtype, p, &p);
3194 if (info->subtype == WRAPPER_SUBTYPE_RUNTIME_INVOKE_DIRECT || info->subtype == WRAPPER_SUBTYPE_RUNTIME_INVOKE_VIRTUAL)
3195 encode_method_ref (acfg, info->d.runtime_invoke.method, p, &p);
3196 else if (info->subtype == WRAPPER_SUBTYPE_RUNTIME_INVOKE_NORMAL)
3197 encode_signature (acfg, info->d.runtime_invoke.sig, p, &p);
3200 case MONO_WRAPPER_DELEGATE_INVOKE:
3201 case MONO_WRAPPER_DELEGATE_BEGIN_INVOKE:
3202 case MONO_WRAPPER_DELEGATE_END_INVOKE: {
3203 if (method->is_inflated) {
3204 /* These wrappers are identified by their class */
3205 encode_value (1, p, &p);
3206 encode_klass_ref (acfg, method->klass, p, &p);
3208 MonoMethodSignature *sig = mono_method_signature (method);
3209 WrapperInfo *info = mono_marshal_get_wrapper_info (method);
3211 encode_value (0, p, &p);
3212 if (method->wrapper_type == MONO_WRAPPER_DELEGATE_INVOKE)
3213 encode_value (info ? info->subtype : 0, p, &p);
3214 encode_signature (acfg, sig, p, &p);
3218 case MONO_WRAPPER_NATIVE_TO_MANAGED: {
3220 encode_method_ref (acfg, info->d.native_to_managed.method, p, &p);
3221 encode_klass_ref (acfg, info->d.native_to_managed.klass, p, &p);
3225 g_assert_not_reached ();
3227 } else if (mono_method_signature (method)->is_inflated) {
3229 * This is a generic method, find the original token which referenced it and
3231 * Obtain the token from information recorded by the JIT.
3233 ji = (MonoJumpInfoToken *)g_hash_table_lookup (acfg->token_info_hash, method);
3235 image_index = get_image_index (acfg, ji->image);
3236 g_assert (image_index < MAX_IMAGE_INDEX);
3239 encode_value ((MONO_AOT_METHODREF_METHODSPEC << 24), p, &p);
3240 encode_value (image_index, p, &p);
3241 encode_value (token, p, &p);
3243 MonoMethod *declaring;
3244 MonoGenericContext *context = mono_method_get_context (method);
3246 g_assert (method->is_inflated);
3247 declaring = ((MonoMethodInflated*)method)->declaring;
3250 * This might be a non-generic method of a generic instance, which
3251 * doesn't have a token since the reference is generated by the JIT
3252 * like Nullable:Box/Unbox, or by generic sharing.
3254 encode_value ((MONO_AOT_METHODREF_GINST << 24), p, &p);
3255 /* Encode the klass */
3256 encode_klass_ref (acfg, method->klass, p, &p);
3257 /* Encode the method */
3258 image_index = get_image_index (acfg, method->klass->image);
3259 g_assert (image_index < MAX_IMAGE_INDEX);
3260 g_assert (declaring->token);
3261 token = declaring->token;
3262 g_assert (mono_metadata_token_table (token) == MONO_TABLE_METHOD);
3263 encode_value (image_index, p, &p);
3264 encode_value (token, p, &p);
3265 encode_generic_context (acfg, context, p, &p);
3267 } else if (token == 0) {
3268 /* This might be a method of a constructed type like int[,].Set */
3269 /* Obtain the token from information recorded by the JIT */
3270 ji = (MonoJumpInfoToken *)g_hash_table_lookup (acfg->token_info_hash, method);
3272 image_index = get_image_index (acfg, ji->image);
3273 g_assert (image_index < MAX_IMAGE_INDEX);
3276 encode_value ((MONO_AOT_METHODREF_METHODSPEC << 24), p, &p);
3277 encode_value (image_index, p, &p);
3278 encode_value (token, p, &p);
3281 g_assert (method->klass->rank);
3283 /* Encode directly */
3284 encode_value ((MONO_AOT_METHODREF_ARRAY << 24), p, &p);
3285 encode_klass_ref (acfg, method->klass, p, &p);
3286 if (!strcmp (method->name, ".ctor") && mono_method_signature (method)->param_count == method->klass->rank)
3287 encode_value (0, p, &p);
3288 else if (!strcmp (method->name, ".ctor") && mono_method_signature (method)->param_count == method->klass->rank * 2)
3289 encode_value (1, p, &p);
3290 else if (!strcmp (method->name, "Get"))
3291 encode_value (2, p, &p);
3292 else if (!strcmp (method->name, "Address"))
3293 encode_value (3, p, &p);
3294 else if (!strcmp (method->name, "Set"))
3295 encode_value (4, p, &p);
3297 g_assert_not_reached ();
3300 g_assert (mono_metadata_token_table (token) == MONO_TABLE_METHOD);
3302 if (image_index >= MONO_AOT_METHODREF_MIN) {
3303 encode_value ((MONO_AOT_METHODREF_LARGE_IMAGE_INDEX << 24), p, &p);
3304 encode_value (image_index, p, &p);
3305 encode_value (mono_metadata_token_index (token), p, &p);
3307 encode_value ((image_index << 24) | mono_metadata_token_index (token), p, &p);
3314 compare_patches (gconstpointer a, gconstpointer b)
3318 i = (*(MonoJumpInfo**)a)->ip.i;
3319 j = (*(MonoJumpInfo**)b)->ip.i;
3330 static G_GNUC_UNUSED char*
3331 patch_to_string (MonoJumpInfo *patch_info)
3335 str = g_string_new ("");
3337 g_string_append_printf (str, "%s(", get_patch_name (patch_info->type));
3339 switch (patch_info->type) {
3340 case MONO_PATCH_INFO_VTABLE:
3341 mono_type_get_desc (str, &patch_info->data.klass->byval_arg, TRUE);
3346 g_string_append_printf (str, ")");
3347 return g_string_free (str, FALSE);
3353 * Return whenever PATCH_INFO refers to a direct call, and thus requires a
3356 static inline gboolean
3357 is_plt_patch (MonoJumpInfo *patch_info)
3359 switch (patch_info->type) {
3360 case MONO_PATCH_INFO_METHOD:
3361 case MONO_PATCH_INFO_INTERNAL_METHOD:
3362 case MONO_PATCH_INFO_JIT_ICALL_ADDR:
3363 case MONO_PATCH_INFO_ICALL_ADDR_CALL:
3364 case MONO_PATCH_INFO_RGCTX_FETCH:
3374 * Return the symbol identifying the plt entry PLT_OFFSET.
3377 get_plt_symbol (MonoAotCompile *acfg, int plt_offset, MonoJumpInfo *patch_info)
3381 * The Apple linker reorganizes object files, so it doesn't like branches to local
3382 * labels, since those have no relocations.
3384 return g_strdup_printf ("%sp_%d", acfg->llvm_label_prefix, plt_offset);
3386 return g_strdup_printf ("%sp_%d", acfg->temp_prefix, plt_offset);
3393 * Return a PLT entry which belongs to the method identified by PATCH_INFO.
3395 static MonoPltEntry*
3396 get_plt_entry (MonoAotCompile *acfg, MonoJumpInfo *patch_info)
3399 gboolean synchronized = FALSE;
3400 static int synchronized_symbol_idx;
3402 if (!is_plt_patch (patch_info))
3405 if (!acfg->patch_to_plt_entry [patch_info->type])
3406 acfg->patch_to_plt_entry [patch_info->type] = g_hash_table_new (mono_patch_info_hash, mono_patch_info_equal);
3407 res = (MonoPltEntry *)g_hash_table_lookup (acfg->patch_to_plt_entry [patch_info->type], patch_info);
3409 if (!acfg->llvm && patch_info->type == MONO_PATCH_INFO_METHOD && (patch_info->data.method->iflags & METHOD_IMPL_ATTRIBUTE_SYNCHRONIZED)) {
3411 * Allocate a separate PLT slot for each such patch, since some plt
3412 * entries will refer to the method itself, and some will refer to the
3416 synchronized = TRUE;
3420 MonoJumpInfo *new_ji;
3422 new_ji = mono_patch_info_dup_mp (acfg->mempool, patch_info);
3424 res = (MonoPltEntry *)mono_mempool_alloc0 (acfg->mempool, sizeof (MonoPltEntry));
3425 res->plt_offset = acfg->plt_offset;
3427 res->symbol = get_plt_symbol (acfg, res->plt_offset, patch_info);
3428 if (acfg->aot_opts.write_symbols)
3429 res->debug_sym = get_plt_entry_debug_sym (acfg, res->ji, acfg->plt_entry_debug_sym_cache);
3431 /* Avoid duplicate symbols because we don't cache */
3432 res->symbol = g_strdup_printf ("%s_%d", res->symbol, synchronized_symbol_idx);
3434 res->debug_sym = g_strdup_printf ("%s_%d", res->debug_sym, synchronized_symbol_idx);
3435 synchronized_symbol_idx ++;
3438 res->llvm_symbol = g_strdup_printf ("%s_%s_llvm", res->symbol, res->debug_sym);
3440 res->llvm_symbol = g_strdup_printf ("%s_llvm", res->symbol);
3442 g_hash_table_insert (acfg->patch_to_plt_entry [new_ji->type], new_ji, res);
3444 g_hash_table_insert (acfg->plt_offset_to_entry, GUINT_TO_POINTER (res->plt_offset), res);
3446 //g_assert (mono_patch_info_equal (patch_info, new_ji));
3447 //mono_print_ji (patch_info); printf ("\n");
3448 //g_hash_table_print_stats (acfg->patch_to_plt_entry);
3450 acfg->plt_offset ++;
3459 * Returns the offset of the GOT slot where the runtime object resulting from resolving
3460 * JI could be found if it exists, otherwise allocates a new one.
3463 get_got_offset (MonoAotCompile *acfg, gboolean llvm, MonoJumpInfo *ji)
3466 GotInfo *info = llvm ? &acfg->llvm_got_info : &acfg->got_info;
3468 got_offset = GPOINTER_TO_UINT (g_hash_table_lookup (info->patch_to_got_offset_by_type [ji->type], ji));
3470 return got_offset - 1;
3473 got_offset = acfg->llvm_got_offset;
3474 acfg->llvm_got_offset ++;
3476 got_offset = acfg->got_offset;
3477 acfg->got_offset ++;
3480 acfg->stats.got_slots ++;
3481 acfg->stats.got_slot_types [ji->type] ++;
3483 g_hash_table_insert (info->patch_to_got_offset, ji, GUINT_TO_POINTER (got_offset + 1));
3484 g_hash_table_insert (info->patch_to_got_offset_by_type [ji->type], ji, GUINT_TO_POINTER (got_offset + 1));
3485 g_ptr_array_add (info->got_patches, ji);
3490 /* Add a method to the list of methods which need to be emitted */
3492 add_method_with_index (MonoAotCompile *acfg, MonoMethod *method, int index, gboolean extra)
3495 if (!g_hash_table_lookup (acfg->method_indexes, method)) {
3496 g_ptr_array_add (acfg->methods, method);
3497 g_hash_table_insert (acfg->method_indexes, method, GUINT_TO_POINTER (index + 1));
3498 acfg->nmethods = acfg->methods->len + 1;
3501 if (method->wrapper_type || extra)
3502 g_ptr_array_add (acfg->extra_methods, method);
3506 prefer_gsharedvt_method (MonoAotCompile *acfg, MonoMethod *method)
3508 /* One instantiation with valuetypes is generated for each async method */
3509 if (method->klass->image == mono_defaults.corlib && (!strcmp (method->klass->name, "AsyncMethodBuilderCore") || !strcmp (method->klass->name, "AsyncVoidMethodBuilder")))
3516 get_method_index (MonoAotCompile *acfg, MonoMethod *method)
3518 int index = GPOINTER_TO_UINT (g_hash_table_lookup (acfg->method_indexes, method));
3526 add_method_full (MonoAotCompile *acfg, MonoMethod *method, gboolean extra, int depth)
3530 index = GPOINTER_TO_UINT (g_hash_table_lookup (acfg->method_indexes, method));
3534 index = acfg->method_index;
3535 add_method_with_index (acfg, method, index, extra);
3537 g_ptr_array_add (acfg->method_order, GUINT_TO_POINTER (index));
3539 g_hash_table_insert (acfg->method_depth, method, GUINT_TO_POINTER (depth));
3541 acfg->method_index ++;
3547 add_method (MonoAotCompile *acfg, MonoMethod *method)
3549 return add_method_full (acfg, method, FALSE, 0);
3553 add_extra_method_with_depth (MonoAotCompile *acfg, MonoMethod *method, int depth)
3555 if (mono_method_is_generic_sharable_full (method, TRUE, TRUE, FALSE))
3556 method = mini_get_shared_method (method);
3557 else if ((acfg->opts & MONO_OPT_GSHAREDVT) && prefer_gsharedvt_method (acfg, method) && mono_method_is_generic_sharable_full (method, FALSE, FALSE, TRUE))
3558 /* Use the gsharedvt version */
3559 method = mini_get_shared_method_full (method, TRUE, TRUE);
3561 if (acfg->aot_opts.log_generics)
3562 aot_printf (acfg, "%*sAdding method %s.\n", depth, "", mono_method_get_full_name (method));
3564 add_method_full (acfg, method, TRUE, depth);
3568 add_extra_method (MonoAotCompile *acfg, MonoMethod *method)
3570 add_extra_method_with_depth (acfg, method, 0);
3574 add_jit_icall_wrapper (gpointer key, gpointer value, gpointer user_data)
3576 MonoAotCompile *acfg = (MonoAotCompile *)user_data;
3577 MonoJitICallInfo *callinfo = (MonoJitICallInfo *)value;
3578 MonoMethod *wrapper;
3584 name = g_strdup_printf ("__icall_wrapper_%s", callinfo->name);
3585 wrapper = mono_marshal_get_icall_wrapper (callinfo->sig, name, callinfo->func, TRUE);
3588 add_method (acfg, wrapper);
3592 get_runtime_invoke_sig (MonoMethodSignature *sig)
3594 MonoMethodBuilder *mb;
3597 mb = mono_mb_new (mono_defaults.object_class, "FOO", MONO_WRAPPER_NONE);
3598 m = mono_mb_create_method (mb, sig, 16);
3599 MonoMethod *invoke = mono_marshal_get_runtime_invoke (m, FALSE);
3605 get_runtime_invoke (MonoAotCompile *acfg, MonoMethod *method, gboolean virtual_)
3607 return mono_marshal_get_runtime_invoke (method, virtual_);
3611 can_marshal_struct (MonoClass *klass)
3613 MonoClassField *field;
3614 gboolean can_marshal = TRUE;
3615 gpointer iter = NULL;
3616 MonoMarshalType *info;
3619 if (mono_class_is_auto_layout (klass))
3622 info = mono_marshal_load_type_info (klass);
3624 /* Only allow a few field types to avoid asserts in the marshalling code */
3625 while ((field = mono_class_get_fields (klass, &iter))) {
3626 if ((field->type->attrs & FIELD_ATTRIBUTE_STATIC))
3629 switch (field->type->type) {
3634 case MONO_TYPE_BOOLEAN:
3637 case MONO_TYPE_CHAR:
3645 case MONO_TYPE_STRING:
3647 case MONO_TYPE_VALUETYPE:
3648 if (!mono_class_from_mono_type (field->type)->enumtype && !can_marshal_struct (mono_class_from_mono_type (field->type)))
3649 can_marshal = FALSE;
3651 case MONO_TYPE_SZARRAY: {
3652 gboolean has_mspec = FALSE;
3655 for (i = 0; i < info->num_fields; ++i) {
3656 if (info->fields [i].field == field && info->fields [i].mspec)
3661 can_marshal = FALSE;
3665 can_marshal = FALSE;
3671 /* Its hard to compute whenever these can be marshalled or not */
3672 if (!strcmp (klass->name_space, "System.Net.NetworkInformation.MacOsStructs") && strcmp (klass->name, "sockaddr_dl"))
3679 create_gsharedvt_inst (MonoAotCompile *acfg, MonoMethod *method, MonoGenericContext *ctx)
3681 /* Create a vtype instantiation */
3682 MonoGenericContext shared_context;
3684 MonoGenericInst *inst;
3685 MonoGenericContainer *container;
3686 MonoClass **constraints;
3689 memset (ctx, 0, sizeof (MonoGenericContext));
3691 if (mono_class_is_gtd (method->klass)) {
3692 shared_context = mono_class_get_generic_container (method->klass)->context;
3693 inst = shared_context.class_inst;
3695 args = g_new0 (MonoType*, inst->type_argc);
3696 for (i = 0; i < inst->type_argc; ++i) {
3697 args [i] = &mono_defaults.int_class->byval_arg;
3699 ctx->class_inst = mono_metadata_get_generic_inst (inst->type_argc, args);
3701 if (method->is_generic) {
3702 container = mono_method_get_generic_container (method);
3703 shared_context = container->context;
3704 inst = shared_context.method_inst;
3706 args = g_new0 (MonoType*, inst->type_argc);
3707 for (i = 0; i < container->type_argc; ++i) {
3708 MonoGenericParamInfo *info = &container->type_params [i].info;
3709 gboolean ref_only = FALSE;
3711 if (info && info->constraints) {
3712 constraints = info->constraints;
3714 while (*constraints) {
3715 MonoClass *cklass = *constraints;
3716 if (!(cklass == mono_defaults.object_class || (cklass->image == mono_defaults.corlib && !strcmp (cklass->name, "ValueType"))))
3717 /* Inflaring the method with our vtype would not be valid */
3724 args [i] = &mono_defaults.object_class->byval_arg;
3726 args [i] = &mono_defaults.int_class->byval_arg;
3728 ctx->method_inst = mono_metadata_get_generic_inst (inst->type_argc, args);
3733 add_wrappers (MonoAotCompile *acfg)
3735 MonoMethod *method, *m;
3737 MonoMethodSignature *sig, *csig;
3741 * FIXME: Instead of AOTing all the wrappers, it might be better to redesign them
3742 * so there is only one wrapper of a given type, or inlining their contents into their
3745 for (i = 0; i < acfg->image->tables [MONO_TABLE_METHOD].rows; ++i) {
3748 guint32 token = MONO_TOKEN_METHOD_DEF | (i + 1);
3749 gboolean skip = FALSE;
3751 method = mono_get_method_checked (acfg->image, token, NULL, NULL, &error);
3752 report_loader_error (acfg, &error, "Failed to load method token 0x%x due to %s\n", i, mono_error_get_message (&error));
3754 if ((method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL) ||
3755 (method->iflags & METHOD_IMPL_ATTRIBUTE_RUNTIME) ||
3756 (method->flags & METHOD_ATTRIBUTE_ABSTRACT))
3759 /* Skip methods which can not be handled by get_runtime_invoke () */
3760 sig = mono_method_signature (method);
3763 if ((sig->ret->type == MONO_TYPE_PTR) ||
3764 (sig->ret->type == MONO_TYPE_TYPEDBYREF))
3766 if (mono_class_is_open_constructed_type (sig->ret))
3769 for (j = 0; j < sig->param_count; j++) {
3770 if (sig->params [j]->type == MONO_TYPE_TYPEDBYREF)
3772 if (mono_class_is_open_constructed_type (sig->params [j]))
3776 #ifdef MONO_ARCH_DYN_CALL_SUPPORTED
3777 if (!mono_class_is_contextbound (method->klass)) {
3778 MonoDynCallInfo *info = mono_arch_dyn_call_prepare (sig);
3779 gboolean has_nullable = FALSE;
3781 for (j = 0; j < sig->param_count; j++) {
3782 if (sig->params [j]->type == MONO_TYPE_GENERICINST && mono_class_is_nullable (mono_class_from_mono_type (sig->params [j])))
3783 has_nullable = TRUE;
3786 if (info && !has_nullable && !acfg->aot_opts.llvm_only) {
3787 /* Supported by the dynamic runtime-invoke wrapper */
3791 mono_arch_dyn_call_free (info);
3795 if (acfg->aot_opts.llvm_only)
3796 /* Supported by the gsharedvt based runtime-invoke wrapper */
3800 //printf ("%s\n", mono_method_full_name (method, TRUE));
3801 add_method (acfg, get_runtime_invoke (acfg, method, FALSE));
3805 if (strcmp (acfg->image->assembly->aname.name, "mscorlib") == 0) {
3808 /* Runtime invoke wrappers */
3810 /* void runtime-invoke () [.cctor] */
3811 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 0);
3812 csig->ret = &mono_defaults.void_class->byval_arg;
3813 add_method (acfg, get_runtime_invoke_sig (csig));
3815 /* void runtime-invoke () [Finalize] */
3816 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 0);
3818 csig->ret = &mono_defaults.void_class->byval_arg;
3819 add_method (acfg, get_runtime_invoke_sig (csig));
3821 /* void runtime-invoke (string) [exception ctor] */
3822 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 1);
3824 csig->ret = &mono_defaults.void_class->byval_arg;
3825 csig->params [0] = &mono_defaults.string_class->byval_arg;
3826 add_method (acfg, get_runtime_invoke_sig (csig));
3828 /* void runtime-invoke (string, string) [exception ctor] */
3829 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 2);
3831 csig->ret = &mono_defaults.void_class->byval_arg;
3832 csig->params [0] = &mono_defaults.string_class->byval_arg;
3833 csig->params [1] = &mono_defaults.string_class->byval_arg;
3834 add_method (acfg, get_runtime_invoke_sig (csig));
3836 /* string runtime-invoke () [Exception.ToString ()] */
3837 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 0);
3839 csig->ret = &mono_defaults.string_class->byval_arg;
3840 add_method (acfg, get_runtime_invoke_sig (csig));
3842 /* void runtime-invoke (string, Exception) [exception ctor] */
3843 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 2);
3845 csig->ret = &mono_defaults.void_class->byval_arg;
3846 csig->params [0] = &mono_defaults.string_class->byval_arg;
3847 csig->params [1] = &mono_defaults.exception_class->byval_arg;
3848 add_method (acfg, get_runtime_invoke_sig (csig));
3850 /* Assembly runtime-invoke (string, Assembly, bool) [DoAssemblyResolve] */
3851 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
3853 csig->ret = &(mono_class_load_from_name (
3854 mono_defaults.corlib, "System.Reflection", "Assembly"))->byval_arg;
3855 csig->params [0] = &mono_defaults.string_class->byval_arg;
3856 csig->params [1] = &(mono_class_load_from_name (mono_defaults.corlib, "System.Reflection", "Assembly"))->byval_arg;
3857 csig->params [2] = &mono_defaults.boolean_class->byval_arg;
3858 add_method (acfg, get_runtime_invoke_sig (csig));
3860 /* runtime-invoke used by finalizers */
3861 add_method (acfg, get_runtime_invoke (acfg, mono_class_get_method_from_name_flags (mono_defaults.object_class, "Finalize", 0, 0), TRUE));
3863 /* This is used by mono_runtime_capture_context () */
3864 method = mono_get_context_capture_method ();
3866 add_method (acfg, get_runtime_invoke (acfg, method, FALSE));
3868 #ifdef MONO_ARCH_DYN_CALL_SUPPORTED
3869 if (!acfg->aot_opts.llvm_only)
3870 add_method (acfg, mono_marshal_get_runtime_invoke_dynamic ());
3873 /* These are used by mono_jit_runtime_invoke () to calls gsharedvt out wrappers */
3874 if (acfg->aot_opts.llvm_only) {
3877 /* Create simplified signatures which match the signature used by the gsharedvt out wrappers */
3878 for (variants = 0; variants < 4; ++variants) {
3879 for (i = 0; i < 16; ++i) {
3880 sig = mini_get_gsharedvt_out_sig_wrapper_signature ((variants & 1) > 0, (variants & 2) > 0, i);
3881 add_extra_method (acfg, mono_marshal_get_runtime_invoke_for_sig (sig));
3889 add_method (acfg, mono_marshal_get_stelemref ());
3891 if (MONO_ARCH_HAVE_TLS_GET) {
3892 /* Managed Allocators */
3893 nallocators = mono_gc_get_managed_allocator_types ();
3894 for (i = 0; i < nallocators; ++i) {
3895 if ((m = mono_gc_get_managed_allocator_by_type (i, MANAGED_ALLOCATOR_REGULAR)))
3896 add_method (acfg, m);
3897 if ((m = mono_gc_get_managed_allocator_by_type (i, MANAGED_ALLOCATOR_SLOW_PATH)))
3898 add_method (acfg, m);
3902 /* write barriers */
3903 if (mono_gc_is_moving ()) {
3904 add_method (acfg, mono_gc_get_specific_write_barrier (FALSE));
3905 add_method (acfg, mono_gc_get_specific_write_barrier (TRUE));
3908 /* Stelemref wrappers */
3910 MonoMethod **wrappers;
3913 wrappers = mono_marshal_get_virtual_stelemref_wrappers (&nwrappers);
3914 for (i = 0; i < nwrappers; ++i)
3915 add_method (acfg, wrappers [i]);
3919 /* castclass_with_check wrapper */
3920 add_method (acfg, mono_marshal_get_castclass_with_cache ());
3921 /* isinst_with_check wrapper */
3922 add_method (acfg, mono_marshal_get_isinst_with_cache ());
3924 /* JIT icall wrappers */
3925 /* FIXME: locking - this is "safe" as full-AOT threads don't mutate the icall hash*/
3926 g_hash_table_foreach (mono_get_jit_icall_info (), add_jit_icall_wrapper, acfg);
3930 * remoting-invoke-with-check wrappers are very frequent, so avoid emitting them,
3931 * we use the original method instead at runtime.
3932 * Since full-aot doesn't support remoting, this is not a problem.
3935 /* remoting-invoke wrappers */
3936 for (i = 0; i < acfg->image->tables [MONO_TABLE_METHOD].rows; ++i) {
3938 MonoMethodSignature *sig;
3940 token = MONO_TOKEN_METHOD_DEF | (i + 1);
3941 method = mono_get_method_checked (acfg->image, token, NULL, NULL, &error);
3942 g_assert (mono_error_ok (&error)); /* FIXME don't swallow the error */
3944 sig = mono_method_signature (method);
3946 if (sig->hasthis && (method->klass->marshalbyref || method->klass == mono_defaults.object_class)) {
3947 m = mono_marshal_get_remoting_invoke_with_check (method);
3949 add_method (acfg, m);
3954 /* delegate-invoke wrappers */
3955 for (i = 0; i < acfg->image->tables [MONO_TABLE_TYPEDEF].rows; ++i) {
3958 MonoCustomAttrInfo *cattr;
3960 token = MONO_TOKEN_TYPE_DEF | (i + 1);
3961 klass = mono_class_get_checked (acfg->image, token, &error);
3964 mono_error_cleanup (&error);
3968 if (!klass->delegate || klass == mono_defaults.delegate_class || klass == mono_defaults.multicastdelegate_class)
3971 if (!mono_class_is_gtd (klass)) {
3972 method = mono_get_delegate_invoke (klass);
3974 m = mono_marshal_get_delegate_invoke (method, NULL);
3976 add_method (acfg, m);
3978 method = mono_class_get_method_from_name_flags (klass, "BeginInvoke", -1, 0);
3980 add_method (acfg, mono_marshal_get_delegate_begin_invoke (method));
3982 method = mono_class_get_method_from_name_flags (klass, "EndInvoke", -1, 0);
3984 add_method (acfg, mono_marshal_get_delegate_end_invoke (method));
3986 cattr = mono_custom_attrs_from_class_checked (klass, &error);
3987 if (!is_ok (&error)) {
3988 mono_error_cleanup (&error);
3995 for (j = 0; j < cattr->num_attrs; ++j)
3996 if (cattr->attrs [j].ctor && (!strcmp (cattr->attrs [j].ctor->klass->name, "MonoNativeFunctionWrapperAttribute") || !strcmp (cattr->attrs [j].ctor->klass->name, "UnmanagedFunctionPointerAttribute")))
3998 if (j < cattr->num_attrs) {
4000 MonoMethod *wrapper;
4001 MonoMethod *del_invoke;
4003 /* Add wrappers needed by mono_ftnptr_to_delegate () */
4004 invoke = mono_get_delegate_invoke (klass);
4005 wrapper = mono_marshal_get_native_func_wrapper_aot (klass);
4006 del_invoke = mono_marshal_get_delegate_invoke_internal (invoke, FALSE, TRUE, wrapper);
4007 add_method (acfg, wrapper);
4008 add_method (acfg, del_invoke);
4011 } else if ((acfg->opts & MONO_OPT_GSHAREDVT) && mono_class_is_gtd (klass)) {
4013 MonoGenericContext ctx;
4014 MonoMethod *inst, *gshared;
4017 * Emit gsharedvt versions of the generic delegate-invoke wrappers
4020 method = mono_get_delegate_invoke (klass);
4021 create_gsharedvt_inst (acfg, method, &ctx);
4023 inst = mono_class_inflate_generic_method_checked (method, &ctx, &error);
4024 g_assert (mono_error_ok (&error)); /* FIXME don't swallow the error */
4026 m = mono_marshal_get_delegate_invoke (inst, NULL);
4027 g_assert (m->is_inflated);
4029 gshared = mini_get_shared_method_full (m, FALSE, TRUE);
4030 add_extra_method (acfg, gshared);
4033 method = mono_get_delegate_begin_invoke (klass);
4034 create_gsharedvt_inst (acfg, method, &ctx);
4036 inst = mono_class_inflate_generic_method_checked (method, &ctx, &error);
4037 g_assert (mono_error_ok (&error)); /* FIXME don't swallow the error */
4039 m = mono_marshal_get_delegate_begin_invoke (inst);
4040 g_assert (m->is_inflated);
4042 gshared = mini_get_shared_method_full (m, FALSE, TRUE);
4043 add_extra_method (acfg, gshared);
4046 method = mono_get_delegate_end_invoke (klass);
4047 create_gsharedvt_inst (acfg, method, &ctx);
4049 inst = mono_class_inflate_generic_method_checked (method, &ctx, &error);
4050 g_assert (mono_error_ok (&error)); /* FIXME don't swallow the error */
4052 m = mono_marshal_get_delegate_end_invoke (inst);
4053 g_assert (m->is_inflated);
4055 gshared = mini_get_shared_method_full (m, FALSE, TRUE);
4056 add_extra_method (acfg, gshared);
4061 /* array access wrappers */
4062 for (i = 0; i < acfg->image->tables [MONO_TABLE_TYPESPEC].rows; ++i) {
4066 token = MONO_TOKEN_TYPE_SPEC | (i + 1);
4067 klass = mono_class_get_checked (acfg->image, token, &error);
4070 mono_error_cleanup (&error);
4074 if (klass->rank && MONO_TYPE_IS_PRIMITIVE (&klass->element_class->byval_arg)) {
4075 MonoMethod *m, *wrapper;
4077 /* Add runtime-invoke wrappers too */
4079 m = mono_class_get_method_from_name (klass, "Get", -1);
4081 wrapper = mono_marshal_get_array_accessor_wrapper (m);
4082 add_extra_method (acfg, wrapper);
4083 if (!acfg->aot_opts.llvm_only)
4084 add_extra_method (acfg, get_runtime_invoke (acfg, wrapper, FALSE));
4086 m = mono_class_get_method_from_name (klass, "Set", -1);
4088 wrapper = mono_marshal_get_array_accessor_wrapper (m);
4089 add_extra_method (acfg, wrapper);
4090 if (!acfg->aot_opts.llvm_only)
4091 add_extra_method (acfg, get_runtime_invoke (acfg, wrapper, FALSE));
4095 /* Synchronized wrappers */
4096 for (i = 0; i < acfg->image->tables [MONO_TABLE_METHOD].rows; ++i) {
4098 token = MONO_TOKEN_METHOD_DEF | (i + 1);
4099 method = mono_get_method_checked (acfg->image, token, NULL, NULL, &error);
4100 report_loader_error (acfg, &error, "Failed to load method token 0x%x due to %s\n", i, mono_error_get_message (&error));
4102 if (method->iflags & METHOD_IMPL_ATTRIBUTE_SYNCHRONIZED) {
4103 if (method->is_generic) {
4105 } else if ((acfg->opts & MONO_OPT_GSHAREDVT) && mono_class_is_gtd (method->klass)) {
4107 MonoGenericContext ctx;
4108 MonoMethod *inst, *gshared, *m;
4111 * Create a generic wrapper for a generic instance, and AOT that.
4113 create_gsharedvt_inst (acfg, method, &ctx);
4114 inst = mono_class_inflate_generic_method_checked (method, &ctx, &error);
4115 g_assert (mono_error_ok (&error)); /* FIXME don't swallow the error */
4116 m = mono_marshal_get_synchronized_wrapper (inst);
4117 g_assert (m->is_inflated);
4118 gshared = mini_get_shared_method_full (m, FALSE, TRUE);
4119 add_method (acfg, gshared);
4121 add_method (acfg, mono_marshal_get_synchronized_wrapper (method));
4126 /* pinvoke wrappers */
4127 for (i = 0; i < acfg->image->tables [MONO_TABLE_METHOD].rows; ++i) {
4130 guint32 token = MONO_TOKEN_METHOD_DEF | (i + 1);
4132 method = mono_get_method_checked (acfg->image, token, NULL, NULL, &error);
4133 report_loader_error (acfg, &error, "Failed to load method token 0x%x due to %s\n", i, mono_error_get_message (&error));
4135 if ((method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL) ||
4136 (method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL)) {
4137 add_method (acfg, mono_marshal_get_native_wrapper (method, TRUE, TRUE));
4140 if (method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) {
4141 if (acfg->aot_opts.llvm_only) {
4142 /* The wrappers have a different signature (hasthis is not set) so need to add this too */
4143 add_gsharedvt_wrappers (acfg, mono_method_signature (method), FALSE, TRUE);
4148 /* native-to-managed wrappers */
4149 for (i = 0; i < acfg->image->tables [MONO_TABLE_METHOD].rows; ++i) {
4152 guint32 token = MONO_TOKEN_METHOD_DEF | (i + 1);
4153 MonoCustomAttrInfo *cattr;
4156 method = mono_get_method_checked (acfg->image, token, NULL, NULL, &error);
4157 report_loader_error (acfg, &error, "Failed to load method token 0x%x due to %s\n", i, mono_error_get_message (&error));
4160 * Only generate native-to-managed wrappers for methods which have an
4161 * attribute named MonoPInvokeCallbackAttribute. We search for the attribute by
4162 * name to avoid defining a new assembly to contain it.
4164 cattr = mono_custom_attrs_from_method_checked (method, &error);
4165 if (!is_ok (&error)) {
4166 char *name = mono_method_get_full_name (method);
4167 report_loader_error (acfg, &error, "Failed to load custom attributes from method %s due to %s\n", name, mono_error_get_message (&error));
4172 for (j = 0; j < cattr->num_attrs; ++j)
4173 if (cattr->attrs [j].ctor && !strcmp (cattr->attrs [j].ctor->klass->name, "MonoPInvokeCallbackAttribute"))
4175 if (j < cattr->num_attrs) {
4176 MonoCustomAttrEntry *e = &cattr->attrs [j];
4177 MonoMethodSignature *sig = mono_method_signature (e->ctor);
4178 const char *p = (const char*)e->data;
4180 int slen, num_named, named_type;
4184 char *export_name = NULL;
4185 MonoMethod *wrapper;
4187 /* this cannot be enforced by the C# compiler so we must give the user some warning before aborting */
4188 if (!(method->flags & METHOD_ATTRIBUTE_STATIC)) {
4189 g_warning ("AOT restriction: Method '%s' must be static since it is decorated with [MonoPInvokeCallback]. See http://ios.xamarin.com/Documentation/Limitations#Reverse_Callbacks",
4190 mono_method_full_name (method, TRUE));
4194 g_assert (sig->param_count == 1);
4195 g_assert (sig->params [0]->type == MONO_TYPE_CLASS && !strcmp (mono_class_from_mono_type (sig->params [0])->name, "Type"));
4198 * Decode the cattr manually since we can't create objects
4199 * during aot compilation.
4205 /* From load_cattr_value () in reflection.c */
4206 slen = mono_metadata_decode_value (p, &p);
4207 n = (char *)g_memdup (p, slen + 1);
4209 t = mono_reflection_type_from_name_checked (n, acfg->image, &error);
4211 mono_error_assert_ok (&error);
4214 klass = mono_class_from_mono_type (t);
4215 g_assert (klass->parent == mono_defaults.multicastdelegate_class);
4219 num_named = read16 (p);
4222 g_assert (num_named < 2);
4223 if (num_named == 1) {
4227 /* parse ExportSymbol attribute */
4229 named_type = *named;
4231 /* data_type = *named; */
4234 name_len = mono_metadata_decode_blob_size (named, &named);
4235 name = (char *)g_malloc (name_len + 1);
4236 memcpy (name, named, name_len);
4237 name [name_len] = 0;
4240 g_assert (named_type == 0x54);
4241 g_assert (!strcmp (name, "ExportSymbol"));
4243 /* load_cattr_value (), string case */
4244 g_assert (*named != (char)0xff);
4245 slen = mono_metadata_decode_value (named, &named);
4246 export_name = (char *)g_malloc (slen + 1);
4247 memcpy (export_name, named, slen);
4248 export_name [slen] = 0;
4252 wrapper = mono_marshal_get_managed_wrapper (method, klass, 0);
4253 add_method (acfg, wrapper);
4255 g_hash_table_insert (acfg->export_names, wrapper, export_name);
4260 if ((method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL) ||
4261 (method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL)) {
4262 add_method (acfg, mono_marshal_get_native_wrapper (method, TRUE, TRUE));
4266 /* StructureToPtr/PtrToStructure wrappers */
4267 for (i = 0; i < acfg->image->tables [MONO_TABLE_TYPEDEF].rows; ++i) {
4271 token = MONO_TOKEN_TYPE_DEF | (i + 1);
4272 klass = mono_class_get_checked (acfg->image, token, &error);
4275 mono_error_cleanup (&error);
4279 if (klass->valuetype && !mono_class_is_gtd (klass) && can_marshal_struct (klass) &&
4280 !(klass->nested_in && strstr (klass->nested_in->name, "<PrivateImplementationDetails>") == klass->nested_in->name)) {
4281 add_method (acfg, mono_marshal_get_struct_to_ptr (klass));
4282 add_method (acfg, mono_marshal_get_ptr_to_struct (klass));
4288 has_type_vars (MonoClass *klass)
4290 if ((klass->byval_arg.type == MONO_TYPE_VAR) || (klass->byval_arg.type == MONO_TYPE_MVAR))
4293 return has_type_vars (klass->element_class);
4294 if (mono_class_is_ginst (klass)) {
4295 MonoGenericContext *context = &mono_class_get_generic_class (klass)->context;
4296 if (context->class_inst) {
4299 for (i = 0; i < context->class_inst->type_argc; ++i)
4300 if (has_type_vars (mono_class_from_mono_type (context->class_inst->type_argv [i])))
4304 if (mono_class_is_gtd (klass))
4310 is_vt_inst (MonoGenericInst *inst)
4314 for (i = 0; i < inst->type_argc; ++i) {
4315 MonoType *t = inst->type_argv [i];
4316 if (MONO_TYPE_ISSTRUCT (t) || t->type == MONO_TYPE_VALUETYPE)
4323 method_has_type_vars (MonoMethod *method)
4325 if (has_type_vars (method->klass))
4328 if (method->is_inflated) {
4329 MonoGenericContext *context = mono_method_get_context (method);
4330 if (context->method_inst) {
4333 for (i = 0; i < context->method_inst->type_argc; ++i)
4334 if (has_type_vars (mono_class_from_mono_type (context->method_inst->type_argv [i])))
4342 gboolean mono_aot_mode_is_full (MonoAotOptions *opts)
4344 return opts->mode == MONO_AOT_MODE_FULL;
4348 gboolean mono_aot_mode_is_hybrid (MonoAotOptions *opts)
4350 return opts->mode == MONO_AOT_MODE_HYBRID;
4353 static void add_generic_class_with_depth (MonoAotCompile *acfg, MonoClass *klass, int depth, const char *ref);
4356 add_generic_class (MonoAotCompile *acfg, MonoClass *klass, gboolean force, const char *ref)
4358 /* This might lead to a huge code blowup so only do it if neccesary */
4359 if (!mono_aot_mode_is_full (&acfg->aot_opts) && !mono_aot_mode_is_hybrid (&acfg->aot_opts) && !force)
4362 add_generic_class_with_depth (acfg, klass, 0, ref);
4366 check_type_depth (MonoType *t, int depth)
4374 case MONO_TYPE_GENERICINST: {
4375 MonoGenericClass *gklass = t->data.generic_class;
4376 MonoGenericInst *ginst = gklass->context.class_inst;
4379 for (i = 0; i < ginst->type_argc; ++i) {
4380 if (check_type_depth (ginst->type_argv [i], depth + 1))
4394 add_types_from_method_header (MonoAotCompile *acfg, MonoMethod *method);
4397 * add_generic_class:
4399 * Add all methods of a generic class.
4402 add_generic_class_with_depth (MonoAotCompile *acfg, MonoClass *klass, int depth, const char *ref)
4405 MonoClassField *field;
4407 gboolean use_gsharedvt = FALSE;
4409 if (!acfg->ginst_hash)
4410 acfg->ginst_hash = g_hash_table_new (NULL, NULL);
4412 mono_class_init (klass);
4414 if (mono_class_is_ginst (klass) && mono_class_get_generic_class (klass)->context.class_inst->is_open)
4417 if (has_type_vars (klass))
4420 if (!mono_class_is_ginst (klass) && !klass->rank)
4423 if (mono_class_has_failure (klass))
4426 if (!acfg->ginst_hash)
4427 acfg->ginst_hash = g_hash_table_new (NULL, NULL);
4429 if (g_hash_table_lookup (acfg->ginst_hash, klass))
4432 if (check_type_depth (&klass->byval_arg, 0))
4435 if (acfg->aot_opts.log_generics)
4436 aot_printf (acfg, "%*sAdding generic instance %s [%s].\n", depth, "", mono_type_full_name (&klass->byval_arg), ref);
4438 g_hash_table_insert (acfg->ginst_hash, klass, klass);
4441 * Use gsharedvt for generic collections with vtype arguments to avoid code blowup.
4442 * Enable this only for some classes since gsharedvt might not support all methods.
4444 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) &&
4445 (!strcmp (klass->name, "Dictionary`2") || !strcmp (klass->name, "List`1") || !strcmp (klass->name, "ReadOnlyCollection`1")))
4446 use_gsharedvt = TRUE;
4449 while ((method = mono_class_get_methods (klass, &iter))) {
4450 if ((acfg->opts & MONO_OPT_GSHAREDVT) && method->is_inflated && mono_method_get_context (method)->method_inst) {
4452 * This is partial sharing, and we can't handle it yet
4457 if (mono_method_is_generic_sharable_full (method, FALSE, FALSE, use_gsharedvt)) {
4459 add_types_from_method_header (acfg, method);
4463 if (method->is_generic)
4468 * FIXME: Instances which are referenced by these methods are not added,
4469 * for example Array.Resize<int> for List<int>.Add ().
4471 add_extra_method_with_depth (acfg, method, depth + 1);
4475 while ((field = mono_class_get_fields (klass, &iter))) {
4476 if (field->type->type == MONO_TYPE_GENERICINST)
4477 add_generic_class_with_depth (acfg, mono_class_from_mono_type (field->type), depth + 1, "field");
4480 if (klass->delegate) {
4481 method = mono_get_delegate_invoke (klass);
4483 method = mono_marshal_get_delegate_invoke (method, NULL);
4485 if (acfg->aot_opts.log_generics)
4486 aot_printf (acfg, "%*sAdding method %s.\n", depth, "", mono_method_get_full_name (method));
4488 add_method (acfg, method);
4491 /* Add superclasses */
4493 add_generic_class_with_depth (acfg, klass->parent, depth, "parent");
4496 * For ICollection<T>, add instances of the helper methods
4497 * in Array, since a T[] could be cast to ICollection<T>.
4499 if (klass->image == mono_defaults.corlib && !strcmp (klass->name_space, "System.Collections.Generic") &&
4500 (!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"))) {
4501 MonoClass *tclass = mono_class_from_mono_type (mono_class_get_generic_class (klass)->context.class_inst->type_argv [0]);
4502 MonoClass *array_class = mono_bounded_array_class_get (tclass, 1, FALSE);
4506 if (!strcmp (klass->name, "IEnumerator`1"))
4507 name_prefix = g_strdup_printf ("%s.%s", klass->name_space, "IEnumerable`1");
4509 name_prefix = g_strdup_printf ("%s.%s", klass->name_space, klass->name);
4511 /* Add the T[]/InternalEnumerator class */
4512 if (!strcmp (klass->name, "IEnumerable`1") || !strcmp (klass->name, "IEnumerator`1")) {
4517 while ((nclass = mono_class_get_nested_types (array_class->parent, &iter))) {
4518 if (!strcmp (nclass->name, "InternalEnumerator`1"))
4522 nclass = mono_class_inflate_generic_class_checked (nclass, mono_generic_class_get_context (mono_class_get_generic_class (klass)), &error);
4523 mono_error_assert_ok (&error); /* FIXME don't swallow the error */
4524 add_generic_class (acfg, nclass, FALSE, "ICollection<T>");
4528 while ((method = mono_class_get_methods (array_class, &iter))) {
4529 if (strstr (method->name, name_prefix)) {
4530 MonoMethod *m = mono_aot_get_array_helper_from_wrapper (method);
4532 add_extra_method_with_depth (acfg, m, depth);
4536 g_free (name_prefix);
4539 /* Add an instance of GenericComparer<T> which is created dynamically by Comparer<T> */
4540 if (klass->image == mono_defaults.corlib && !strcmp (klass->name_space, "System.Collections.Generic") && !strcmp (klass->name, "Comparer`1")) {
4542 MonoClass *tclass = mono_class_from_mono_type (mono_class_get_generic_class (klass)->context.class_inst->type_argv [0]);
4543 MonoClass *icomparable, *gcomparer, *icomparable_inst;
4544 MonoGenericContext ctx;
4545 MonoType *args [16];
4547 memset (&ctx, 0, sizeof (ctx));
4549 icomparable = mono_class_load_from_name (mono_defaults.corlib, "System", "IComparable`1");
4551 args [0] = &tclass->byval_arg;
4552 ctx.class_inst = mono_metadata_get_generic_inst (1, args);
4554 icomparable_inst = mono_class_inflate_generic_class_checked (icomparable, &ctx, &error);
4555 mono_error_assert_ok (&error); /* FIXME don't swallow the error */
4557 if (mono_class_is_assignable_from (icomparable_inst, tclass)) {
4558 MonoClass *gcomparer_inst;
4559 gcomparer = mono_class_load_from_name (mono_defaults.corlib, "System.Collections.Generic", "GenericComparer`1");
4560 gcomparer_inst = mono_class_inflate_generic_class_checked (gcomparer, &ctx, &error);
4561 mono_error_assert_ok (&error); /* FIXME don't swallow the error */
4563 add_generic_class (acfg, gcomparer_inst, FALSE, "Comparer<T>");
4567 /* Add an instance of GenericEqualityComparer<T> which is created dynamically by EqualityComparer<T> */
4568 if (klass->image == mono_defaults.corlib && !strcmp (klass->name_space, "System.Collections.Generic") && !strcmp (klass->name, "EqualityComparer`1")) {
4570 MonoClass *tclass = mono_class_from_mono_type (mono_class_get_generic_class (klass)->context.class_inst->type_argv [0]);
4571 MonoClass *iface, *gcomparer, *iface_inst;
4572 MonoGenericContext ctx;
4573 MonoType *args [16];
4575 memset (&ctx, 0, sizeof (ctx));
4577 iface = mono_class_load_from_name (mono_defaults.corlib, "System", "IEquatable`1");
4579 args [0] = &tclass->byval_arg;
4580 ctx.class_inst = mono_metadata_get_generic_inst (1, args);
4582 iface_inst = mono_class_inflate_generic_class_checked (iface, &ctx, &error);
4583 mono_error_assert_ok (&error); /* FIXME don't swallow the error */
4585 if (mono_class_is_assignable_from (iface_inst, tclass)) {
4586 MonoClass *gcomparer_inst;
4589 gcomparer = mono_class_load_from_name (mono_defaults.corlib, "System.Collections.Generic", "GenericEqualityComparer`1");
4590 gcomparer_inst = mono_class_inflate_generic_class_checked (gcomparer, &ctx, &error);
4591 mono_error_assert_ok (&error); /* FIXME don't swallow the error */
4592 add_generic_class (acfg, gcomparer_inst, FALSE, "EqualityComparer<T>");
4596 /* Add an instance of EnumComparer<T> which is created dynamically by EqualityComparer<T> for enums */
4597 if (klass->image == mono_defaults.corlib && !strcmp (klass->name_space, "System.Collections.Generic") && !strcmp (klass->name, "EqualityComparer`1")) {
4598 MonoClass *enum_comparer;
4599 MonoClass *tclass = mono_class_from_mono_type (mono_class_get_generic_class (klass)->context.class_inst->type_argv [0]);
4600 MonoGenericContext ctx;
4601 MonoType *args [16];
4603 if (mono_class_is_enum (tclass)) {
4604 MonoClass *enum_comparer_inst;
4607 memset (&ctx, 0, sizeof (ctx));
4608 args [0] = &tclass->byval_arg;
4609 ctx.class_inst = mono_metadata_get_generic_inst (1, args);
4611 enum_comparer = mono_class_load_from_name (mono_defaults.corlib, "System.Collections.Generic", "EnumEqualityComparer`1");
4612 enum_comparer_inst = mono_class_inflate_generic_class_checked (enum_comparer, &ctx, &error);
4613 mono_error_assert_ok (&error); /* FIXME don't swallow the error */
4614 add_generic_class (acfg, enum_comparer_inst, FALSE, "EqualityComparer<T>");
4618 /* Add an instance of ObjectComparer<T> which is created dynamically by Comparer<T> for enums */
4619 if (klass->image == mono_defaults.corlib && !strcmp (klass->name_space, "System.Collections.Generic") && !strcmp (klass->name, "Comparer`1")) {
4620 MonoClass *comparer;
4621 MonoClass *tclass = mono_class_from_mono_type (mono_class_get_generic_class (klass)->context.class_inst->type_argv [0]);
4622 MonoGenericContext ctx;
4623 MonoType *args [16];
4625 if (mono_class_is_enum (tclass)) {
4626 MonoClass *comparer_inst;
4629 memset (&ctx, 0, sizeof (ctx));
4630 args [0] = &tclass->byval_arg;
4631 ctx.class_inst = mono_metadata_get_generic_inst (1, args);
4633 comparer = mono_class_load_from_name (mono_defaults.corlib, "System.Collections.Generic", "ObjectComparer`1");
4634 comparer_inst = mono_class_inflate_generic_class_checked (comparer, &ctx, &error);
4635 mono_error_assert_ok (&error); /* FIXME don't swallow the error */
4636 add_generic_class (acfg, comparer_inst, FALSE, "Comparer<T>");
4642 add_instances_of (MonoAotCompile *acfg, MonoClass *klass, MonoType **insts, int ninsts, gboolean force)
4645 MonoGenericContext ctx;
4646 MonoType *args [16];
4648 if (acfg->aot_opts.no_instances)
4651 memset (&ctx, 0, sizeof (ctx));
4653 for (i = 0; i < ninsts; ++i) {
4655 MonoClass *generic_inst;
4656 args [0] = insts [i];
4657 ctx.class_inst = mono_metadata_get_generic_inst (1, args);
4658 generic_inst = mono_class_inflate_generic_class_checked (klass, &ctx, &error);
4659 mono_error_assert_ok (&error); /* FIXME don't swallow the error */
4660 add_generic_class (acfg, generic_inst, force, "");
4665 add_types_from_method_header (MonoAotCompile *acfg, MonoMethod *method)
4668 MonoMethodHeader *header;
4669 MonoMethodSignature *sig;
4672 depth = GPOINTER_TO_UINT (g_hash_table_lookup (acfg->method_depth, method));
4674 sig = mono_method_signature (method);
4677 for (j = 0; j < sig->param_count; ++j)
4678 if (sig->params [j]->type == MONO_TYPE_GENERICINST)
4679 add_generic_class_with_depth (acfg, mono_class_from_mono_type (sig->params [j]), depth + 1, "arg");
4682 header = mono_method_get_header_checked (method, &error);
4685 for (j = 0; j < header->num_locals; ++j)
4686 if (header->locals [j]->type == MONO_TYPE_GENERICINST)
4687 add_generic_class_with_depth (acfg, mono_class_from_mono_type (header->locals [j]), depth + 1, "local");
4688 mono_metadata_free_mh (header);
4690 mono_error_cleanup (&error); /* FIXME report the error */
4696 * add_generic_instances:
4698 * Add instances referenced by the METHODSPEC/TYPESPEC table.
4701 add_generic_instances (MonoAotCompile *acfg)
4706 MonoGenericContext *context;
4708 if (acfg->aot_opts.no_instances)
4711 for (i = 0; i < acfg->image->tables [MONO_TABLE_METHODSPEC].rows; ++i) {
4713 token = MONO_TOKEN_METHOD_SPEC | (i + 1);
4714 method = mono_get_method_checked (acfg->image, token, NULL, NULL, &error);
4717 aot_printerrf (acfg, "Failed to load methodspec 0x%x due to %s.\n", token, mono_error_get_message (&error));
4718 aot_printerrf (acfg, "Run with MONO_LOG_LEVEL=debug for more information.\n");
4719 mono_error_cleanup (&error);
4723 if (method->klass->image != acfg->image)
4726 context = mono_method_get_context (method);
4728 if (context && ((context->class_inst && context->class_inst->is_open)))
4732 * For open methods, create an instantiation which can be passed to the JIT.
4733 * FIXME: Handle class_inst as well.
4735 if (context && context->method_inst && context->method_inst->is_open) {
4737 MonoGenericContext shared_context;
4738 MonoGenericInst *inst;
4739 MonoType **type_argv;
4741 MonoMethod *declaring_method;
4742 gboolean supported = TRUE;
4744 /* Check that the context doesn't contain open constructed types */
4745 if (context->class_inst) {
4746 inst = context->class_inst;
4747 for (i = 0; i < inst->type_argc; ++i) {
4748 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)
4750 if (mono_class_is_open_constructed_type (inst->type_argv [i]))
4754 if (context->method_inst) {
4755 inst = context->method_inst;
4756 for (i = 0; i < inst->type_argc; ++i) {
4757 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)
4759 if (mono_class_is_open_constructed_type (inst->type_argv [i]))
4767 memset (&shared_context, 0, sizeof (MonoGenericContext));
4769 inst = context->class_inst;
4771 type_argv = g_new0 (MonoType*, inst->type_argc);
4772 for (i = 0; i < inst->type_argc; ++i) {
4773 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)
4774 type_argv [i] = &mono_defaults.object_class->byval_arg;
4776 type_argv [i] = inst->type_argv [i];
4779 shared_context.class_inst = mono_metadata_get_generic_inst (inst->type_argc, type_argv);
4783 inst = context->method_inst;
4785 type_argv = g_new0 (MonoType*, inst->type_argc);
4786 for (i = 0; i < inst->type_argc; ++i) {
4787 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)
4788 type_argv [i] = &mono_defaults.object_class->byval_arg;
4790 type_argv [i] = inst->type_argv [i];
4793 shared_context.method_inst = mono_metadata_get_generic_inst (inst->type_argc, type_argv);
4797 if (method->is_generic || mono_class_is_gtd (method->klass))
4798 declaring_method = method;
4800 declaring_method = mono_method_get_declaring_generic_method (method);
4802 method = mono_class_inflate_generic_method_checked (declaring_method, &shared_context, &error);
4803 g_assert (mono_error_ok (&error)); /* FIXME don't swallow the error */
4807 * If the method is fully sharable, it was already added in place of its
4808 * generic definition.
4810 if (mono_method_is_generic_sharable_full (method, FALSE, FALSE, FALSE))
4814 * FIXME: Partially shared methods are not shared here, so we end up with
4815 * many identical methods.
4817 add_extra_method (acfg, method);
4820 for (i = 0; i < acfg->image->tables [MONO_TABLE_TYPESPEC].rows; ++i) {
4824 token = MONO_TOKEN_TYPE_SPEC | (i + 1);
4826 klass = mono_class_get_checked (acfg->image, token, &error);
4827 if (!klass || klass->rank) {
4828 mono_error_cleanup (&error);
4832 add_generic_class (acfg, klass, FALSE, "typespec");
4835 /* Add types of args/locals */
4836 for (i = 0; i < acfg->methods->len; ++i) {
4837 method = (MonoMethod *)g_ptr_array_index (acfg->methods, i);
4838 add_types_from_method_header (acfg, method);
4841 if (acfg->image == mono_defaults.corlib) {
4843 MonoType *insts [256];
4846 insts [ninsts ++] = &mono_defaults.byte_class->byval_arg;
4847 insts [ninsts ++] = &mono_defaults.sbyte_class->byval_arg;
4848 insts [ninsts ++] = &mono_defaults.int16_class->byval_arg;
4849 insts [ninsts ++] = &mono_defaults.uint16_class->byval_arg;
4850 insts [ninsts ++] = &mono_defaults.int32_class->byval_arg;
4851 insts [ninsts ++] = &mono_defaults.uint32_class->byval_arg;
4852 insts [ninsts ++] = &mono_defaults.int64_class->byval_arg;
4853 insts [ninsts ++] = &mono_defaults.uint64_class->byval_arg;
4854 insts [ninsts ++] = &mono_defaults.single_class->byval_arg;
4855 insts [ninsts ++] = &mono_defaults.double_class->byval_arg;
4856 insts [ninsts ++] = &mono_defaults.char_class->byval_arg;
4857 insts [ninsts ++] = &mono_defaults.boolean_class->byval_arg;
4859 /* Add GenericComparer<T> instances for primitive types for Enum.ToString () */
4860 klass = mono_class_try_load_from_name (acfg->image, "System.Collections.Generic", "GenericComparer`1");
4862 add_instances_of (acfg, klass, insts, ninsts, TRUE);
4863 klass = mono_class_try_load_from_name (acfg->image, "System.Collections.Generic", "GenericEqualityComparer`1");
4865 add_instances_of (acfg, klass, insts, ninsts, TRUE);
4867 /* Add instances of EnumEqualityComparer which are created by EqualityComparer<T> for enums */
4869 MonoClass *enum_comparer;
4870 MonoType *insts [16];
4874 insts [ninsts ++] = &mono_defaults.int32_class->byval_arg;
4875 insts [ninsts ++] = &mono_defaults.uint32_class->byval_arg;
4876 insts [ninsts ++] = &mono_defaults.uint16_class->byval_arg;
4877 insts [ninsts ++] = &mono_defaults.byte_class->byval_arg;
4878 enum_comparer = mono_class_load_from_name (mono_defaults.corlib, "System.Collections.Generic", "EnumEqualityComparer`1");
4879 add_instances_of (acfg, enum_comparer, insts, ninsts, FALSE);
4882 insts [ninsts ++] = &mono_defaults.int16_class->byval_arg;
4883 enum_comparer = mono_class_load_from_name (mono_defaults.corlib, "System.Collections.Generic", "ShortEnumEqualityComparer`1");
4884 add_instances_of (acfg, enum_comparer, insts, ninsts, FALSE);
4887 insts [ninsts ++] = &mono_defaults.sbyte_class->byval_arg;
4888 enum_comparer = mono_class_load_from_name (mono_defaults.corlib, "System.Collections.Generic", "SByteEnumEqualityComparer`1");
4889 add_instances_of (acfg, enum_comparer, insts, ninsts, FALSE);
4891 enum_comparer = mono_class_load_from_name (mono_defaults.corlib, "System.Collections.Generic", "LongEnumEqualityComparer`1");
4893 insts [ninsts ++] = &mono_defaults.int64_class->byval_arg;
4894 insts [ninsts ++] = &mono_defaults.uint64_class->byval_arg;
4895 add_instances_of (acfg, enum_comparer, insts, ninsts, FALSE);
4898 /* Add instances of the array generic interfaces for primitive types */
4899 /* This will add instances of the InternalArray_ helper methods in Array too */
4900 klass = mono_class_try_load_from_name (acfg->image, "System.Collections.Generic", "ICollection`1");
4902 add_instances_of (acfg, klass, insts, ninsts, TRUE);
4904 klass = mono_class_try_load_from_name (acfg->image, "System.Collections.Generic", "IList`1");
4906 add_instances_of (acfg, klass, insts, ninsts, TRUE);
4908 klass = mono_class_try_load_from_name (acfg->image, "System.Collections.Generic", "IEnumerable`1");
4910 add_instances_of (acfg, klass, insts, ninsts, TRUE);
4913 * Add a managed-to-native wrapper of Array.GetGenericValueImpl<object>, which is
4914 * used for all instances of GetGenericValueImpl by the AOT runtime.
4917 MonoGenericContext ctx;
4918 MonoType *args [16];
4919 MonoMethod *get_method;
4920 MonoClass *array_klass = mono_array_class_get (mono_defaults.object_class, 1)->parent;
4922 get_method = mono_class_get_method_from_name (array_klass, "GetGenericValueImpl", 2);
4926 memset (&ctx, 0, sizeof (ctx));
4927 args [0] = &mono_defaults.object_class->byval_arg;
4928 ctx.method_inst = mono_metadata_get_generic_inst (1, args);
4929 add_extra_method (acfg, mono_marshal_get_native_wrapper (mono_class_inflate_generic_method_checked (get_method, &ctx, &error), TRUE, TRUE));
4930 g_assert (mono_error_ok (&error)); /* FIXME don't swallow the error */
4934 /* Same for CompareExchange<T>/Exchange<T> */
4936 MonoGenericContext ctx;
4937 MonoType *args [16];
4939 MonoClass *interlocked_klass = mono_class_load_from_name (mono_defaults.corlib, "System.Threading", "Interlocked");
4940 gpointer iter = NULL;
4942 while ((m = mono_class_get_methods (interlocked_klass, &iter))) {
4943 if ((!strcmp (m->name, "CompareExchange") || !strcmp (m->name, "Exchange")) && m->is_generic) {
4945 memset (&ctx, 0, sizeof (ctx));
4946 args [0] = &mono_defaults.object_class->byval_arg;
4947 ctx.method_inst = mono_metadata_get_generic_inst (1, args);
4948 add_extra_method (acfg, mono_marshal_get_native_wrapper (mono_class_inflate_generic_method_checked (m, &ctx, &error), TRUE, TRUE));
4949 g_assert (mono_error_ok (&error)); /* FIXME don't swallow the error */
4954 /* Same for Volatile.Read/Write<T> */
4956 MonoGenericContext ctx;
4957 MonoType *args [16];
4959 MonoClass *volatile_klass = mono_class_try_load_from_name (mono_defaults.corlib, "System.Threading", "Volatile");
4960 gpointer iter = NULL;
4962 if (volatile_klass) {
4963 while ((m = mono_class_get_methods (volatile_klass, &iter))) {
4964 if ((!strcmp (m->name, "Read") || !strcmp (m->name, "Write")) && m->is_generic) {
4966 memset (&ctx, 0, sizeof (ctx));
4967 args [0] = &mono_defaults.object_class->byval_arg;
4968 ctx.method_inst = mono_metadata_get_generic_inst (1, args);
4969 add_extra_method (acfg, mono_marshal_get_native_wrapper (mono_class_inflate_generic_method_checked (m, &ctx, &error), TRUE, TRUE));
4970 g_assert (mono_error_ok (&error)); /* FIXME don't swallow the error */
4976 /* object[] accessor wrappers. */
4977 for (i = 1; i < 4; ++i) {
4978 MonoClass *obj_array_class = mono_array_class_get (mono_defaults.object_class, i);
4981 m = mono_class_get_method_from_name (obj_array_class, "Get", i);
4984 m = mono_marshal_get_array_accessor_wrapper (m);
4985 add_extra_method (acfg, m);
4987 m = mono_class_get_method_from_name (obj_array_class, "Address", i);
4990 m = mono_marshal_get_array_accessor_wrapper (m);
4991 add_extra_method (acfg, m);
4993 m = mono_class_get_method_from_name (obj_array_class, "Set", i + 1);
4996 m = mono_marshal_get_array_accessor_wrapper (m);
4997 add_extra_method (acfg, m);
5003 * is_direct_callable:
5005 * Return whenever the method identified by JI is directly callable without
5006 * going through the PLT.
5009 is_direct_callable (MonoAotCompile *acfg, MonoMethod *method, MonoJumpInfo *patch_info)
5011 if ((patch_info->type == MONO_PATCH_INFO_METHOD) && (patch_info->data.method->klass->image == acfg->image)) {
5012 MonoCompile *callee_cfg = (MonoCompile *)g_hash_table_lookup (acfg->method_to_cfg, patch_info->data.method);
5014 gboolean direct_callable = TRUE;
5016 if (direct_callable && !(!callee_cfg->has_got_slots && mono_class_is_before_field_init (callee_cfg->method->klass)))
5017 direct_callable = FALSE;
5018 if ((callee_cfg->method->iflags & METHOD_IMPL_ATTRIBUTE_SYNCHRONIZED) && (!method || method->wrapper_type != MONO_WRAPPER_SYNCHRONIZED))
5019 // FIXME: Maybe call the wrapper directly ?
5020 direct_callable = FALSE;
5022 if (acfg->aot_opts.soft_debug || acfg->aot_opts.no_direct_calls) {
5023 /* Disable this so all calls go through load_method (), see the
5024 * mini_get_debug_options ()->load_aot_jit_info_eagerly = TRUE; line in
5025 * mono_debugger_agent_init ().
5027 direct_callable = FALSE;
5030 if (callee_cfg->method->wrapper_type == MONO_WRAPPER_ALLOC)
5031 /* sgen does some initialization when the allocator method is created */
5032 direct_callable = FALSE;
5033 if (callee_cfg->method->wrapper_type == MONO_WRAPPER_WRITE_BARRIER)
5034 /* we don't know at compile time whether sgen is concurrent or not */
5035 direct_callable = FALSE;
5037 if (direct_callable)
5040 } else if ((patch_info->type == MONO_PATCH_INFO_ICALL_ADDR_CALL && patch_info->data.method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL)) {
5041 if (acfg->aot_opts.direct_pinvoke)
5043 } else if (patch_info->type == MONO_PATCH_INFO_ICALL_ADDR_CALL) {
5044 if (acfg->aot_opts.direct_icalls)
5052 #ifdef MONO_ARCH_AOT_SUPPORTED
5054 get_pinvoke_import (MonoAotCompile *acfg, MonoMethod *method)
5056 MonoImage *image = method->klass->image;
5057 MonoMethodPInvoke *piinfo = (MonoMethodPInvoke *) method;
5058 MonoTableInfo *tables = image->tables;
5059 MonoTableInfo *im = &tables [MONO_TABLE_IMPLMAP];
5060 MonoTableInfo *mr = &tables [MONO_TABLE_MODULEREF];
5061 guint32 im_cols [MONO_IMPLMAP_SIZE];
5064 import = (char *)g_hash_table_lookup (acfg->method_to_pinvoke_import, method);
5068 if (!piinfo->implmap_idx || piinfo->implmap_idx > im->rows)
5071 mono_metadata_decode_row (im, piinfo->implmap_idx - 1, im_cols, MONO_IMPLMAP_SIZE);
5073 if (!im_cols [MONO_IMPLMAP_SCOPE] || im_cols [MONO_IMPLMAP_SCOPE] > mr->rows)
5076 import = g_strdup_printf ("%s", mono_metadata_string_heap (image, im_cols [MONO_IMPLMAP_NAME]));
5078 g_hash_table_insert (acfg->method_to_pinvoke_import, method, import);
5084 get_pinvoke_import (MonoAotCompile *acfg, MonoMethod *method)
5091 compare_lne (MonoDebugLineNumberEntry *a, MonoDebugLineNumberEntry *b)
5093 if (a->native_offset == b->native_offset)
5094 return a->il_offset - b->il_offset;
5096 return a->native_offset - b->native_offset;
5100 * compute_line_numbers:
5102 * Returns a sparse array of size CODE_SIZE containing MonoDebugSourceLocation* entries for the native offsets which have a corresponding line number
5105 static MonoDebugSourceLocation**
5106 compute_line_numbers (MonoMethod *method, int code_size, MonoDebugMethodJitInfo *debug_info)
5108 MonoDebugMethodInfo *minfo;
5109 MonoDebugLineNumberEntry *ln_array;
5110 MonoDebugSourceLocation *loc;
5111 int i, prev_line, prev_il_offset;
5112 int *native_to_il_offset = NULL;
5113 MonoDebugSourceLocation **res;
5116 minfo = mono_debug_lookup_method (method);
5119 // FIXME: This seems to happen when two methods have the same cfg->method_to_register
5120 if (debug_info->code_size != code_size)
5123 g_assert (code_size);
5125 /* Compute the native->IL offset mapping */
5127 ln_array = g_new0 (MonoDebugLineNumberEntry, debug_info->num_line_numbers);
5128 memcpy (ln_array, debug_info->line_numbers, debug_info->num_line_numbers * sizeof (MonoDebugLineNumberEntry));
5130 qsort (ln_array, debug_info->num_line_numbers, sizeof (MonoDebugLineNumberEntry), (int (*)(const void *, const void *))compare_lne);
5132 native_to_il_offset = g_new0 (int, code_size + 1);
5134 for (i = 0; i < debug_info->num_line_numbers; ++i) {
5136 MonoDebugLineNumberEntry *lne = &ln_array [i];
5139 for (j = 0; j < lne->native_offset; ++j)
5140 native_to_il_offset [j] = -1;
5143 if (i < debug_info->num_line_numbers - 1) {
5144 MonoDebugLineNumberEntry *lne_next = &ln_array [i + 1];
5146 for (j = lne->native_offset; j < lne_next->native_offset; ++j)
5147 native_to_il_offset [j] = lne->il_offset;
5149 for (j = lne->native_offset; j < code_size; ++j)
5150 native_to_il_offset [j] = lne->il_offset;
5155 /* Compute the native->line number mapping */
5156 res = g_new0 (MonoDebugSourceLocation*, code_size);
5157 prev_il_offset = -1;
5160 for (i = 0; i < code_size; ++i) {
5161 int il_offset = native_to_il_offset [i];
5163 if (il_offset == -1 || il_offset == prev_il_offset)
5165 prev_il_offset = il_offset;
5166 loc = mono_debug_symfile_lookup_location (minfo, il_offset);
5167 if (!(loc && loc->source_file))
5169 if (loc->row == prev_line) {
5170 mono_debug_symfile_free_location (loc);
5173 prev_line = loc->row;
5174 //printf ("D: %s:%d il=%x native=%x\n", loc->source_file, loc->row, il_offset, i);
5176 /* This will cover the prolog too */
5186 get_file_index (MonoAotCompile *acfg, const char *source_file)
5190 // FIXME: Free these
5191 if (!acfg->dwarf_ln_filenames)
5192 acfg->dwarf_ln_filenames = g_hash_table_new (g_str_hash, g_str_equal);
5193 findex = GPOINTER_TO_INT (g_hash_table_lookup (acfg->dwarf_ln_filenames, source_file));
5195 findex = g_hash_table_size (acfg->dwarf_ln_filenames) + 1;
5196 g_hash_table_insert (acfg->dwarf_ln_filenames, g_strdup (source_file), GINT_TO_POINTER (findex));
5197 emit_unset_mode (acfg);
5198 fprintf (acfg->fp, ".file %d \"%s\"\n", findex, mono_dwarf_escape_path (source_file));
5210 * emit_and_reloc_code:
5212 * Emit the native code in CODE, handling relocations along the way. If GOT_ONLY
5213 * is true, calls are made through the GOT too. This is used for emitting trampolines
5214 * in full-aot mode, since calls made from trampolines couldn't go through the PLT,
5215 * since trampolines are needed to make PTL work.
5218 emit_and_reloc_code (MonoAotCompile *acfg, MonoMethod *method, guint8 *code, guint32 code_len, MonoJumpInfo *relocs, gboolean got_only, MonoDebugMethodJitInfo *debug_info)
5220 int i, pindex, start_index;
5222 MonoJumpInfo *patch_info;
5223 MonoDebugSourceLocation **locs = NULL;
5224 gboolean skip, prologue_end = FALSE;
5225 #ifdef MONO_ARCH_AOT_SUPPORTED
5226 gboolean direct_call, external_call;
5228 const char *direct_call_target = 0;
5229 const char *direct_pinvoke;
5232 if (acfg->gas_line_numbers && method && debug_info) {
5233 locs = compute_line_numbers (method, code_len, debug_info);
5235 int findex = get_file_index (acfg, "<unknown>");
5236 emit_unset_mode (acfg);
5237 fprintf (acfg->fp, ".loc %d %d 0\n", findex, 1);
5241 /* Collect and sort relocations */
5242 patches = g_ptr_array_new ();
5243 for (patch_info = relocs; patch_info; patch_info = patch_info->next)
5244 g_ptr_array_add (patches, patch_info);
5245 g_ptr_array_sort (patches, compare_patches);
5248 for (i = 0; i < code_len; i += INST_LEN) {
5250 for (pindex = start_index; pindex < patches->len; ++pindex) {
5251 patch_info = (MonoJumpInfo *)g_ptr_array_index (patches, pindex);
5252 if (patch_info->ip.i >= i)
5256 if (locs && locs [i]) {
5257 MonoDebugSourceLocation *loc = locs [i];
5259 const char *options;
5261 findex = get_file_index (acfg, loc->source_file);
5262 emit_unset_mode (acfg);
5264 options = " prologue_end";
5267 prologue_end = TRUE;
5268 fprintf (acfg->fp, ".loc %d %d 0%s\n", findex, loc->row, options);
5269 mono_debug_symfile_free_location (loc);
5273 #ifdef MONO_ARCH_AOT_SUPPORTED
5274 if (patch_info && (patch_info->ip.i == i) && (pindex < patches->len)) {
5275 start_index = pindex;
5277 switch (patch_info->type) {
5278 case MONO_PATCH_INFO_NONE:
5280 case MONO_PATCH_INFO_GOT_OFFSET: {
5283 arch_emit_got_offset (acfg, code + i, &code_size);
5284 i += code_size - INST_LEN;
5286 patch_info->type = MONO_PATCH_INFO_NONE;
5289 case MONO_PATCH_INFO_OBJC_SELECTOR_REF: {
5290 int code_size, index;
5291 char *selector = (char *)patch_info->data.target;
5293 if (!acfg->objc_selector_to_index)
5294 acfg->objc_selector_to_index = g_hash_table_new (g_str_hash, g_str_equal);
5295 if (!acfg->objc_selectors)
5296 acfg->objc_selectors = g_ptr_array_new ();
5297 index = GPOINTER_TO_UINT (g_hash_table_lookup (acfg->objc_selector_to_index, selector));
5301 index = acfg->objc_selector_index;
5302 g_ptr_array_add (acfg->objc_selectors, (void*)patch_info->data.target);
5303 g_hash_table_insert (acfg->objc_selector_to_index, selector, GUINT_TO_POINTER (index + 1));
5304 acfg->objc_selector_index ++;
5307 arch_emit_objc_selector_ref (acfg, code + i, index, &code_size);
5308 i += code_size - INST_LEN;
5310 patch_info->type = MONO_PATCH_INFO_NONE;
5315 * If this patch is a call, try emitting a direct call instead of
5316 * through a PLT entry. This is possible if the called method is in
5317 * the same assembly and requires no initialization.
5319 direct_call = FALSE;
5320 external_call = FALSE;
5321 if ((patch_info->type == MONO_PATCH_INFO_METHOD) && (patch_info->data.method->klass->image == acfg->image)) {
5322 if (!got_only && is_direct_callable (acfg, method, patch_info)) {
5323 MonoCompile *callee_cfg = (MonoCompile *)g_hash_table_lookup (acfg->method_to_cfg, patch_info->data.method);
5324 //printf ("DIRECT: %s %s\n", method ? mono_method_full_name (method, TRUE) : "", mono_method_full_name (callee_cfg->method, TRUE));
5326 direct_call_target = callee_cfg->asm_symbol;
5327 patch_info->type = MONO_PATCH_INFO_NONE;
5328 acfg->stats.direct_calls ++;
5331 acfg->stats.all_calls ++;
5332 } else if (patch_info->type == MONO_PATCH_INFO_ICALL_ADDR_CALL) {
5333 if (!got_only && is_direct_callable (acfg, method, patch_info)) {
5334 if (!(patch_info->data.method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL))
5335 direct_pinvoke = mono_lookup_icall_symbol (patch_info->data.method);
5337 direct_pinvoke = get_pinvoke_import (acfg, patch_info->data.method);
5338 if (direct_pinvoke) {
5340 g_assert (strlen (direct_pinvoke) < 1000);
5341 direct_call_target = g_strdup_printf ("%s%s", acfg->user_symbol_prefix, direct_pinvoke);
5344 } else if (patch_info->type == MONO_PATCH_INFO_JIT_ICALL_ADDR) {
5345 const char *sym = mono_lookup_jit_icall_symbol (patch_info->data.name);
5346 if (!got_only && sym && acfg->aot_opts.direct_icalls) {
5347 /* Call to a C function implementing a jit icall */
5349 external_call = TRUE;
5350 g_assert (strlen (sym) < 1000);
5351 direct_call_target = g_strdup_printf ("%s%s", acfg->user_symbol_prefix, sym);
5353 } else if (patch_info->type == MONO_PATCH_INFO_INTERNAL_METHOD) {
5354 MonoJitICallInfo *info = mono_find_jit_icall_by_name (patch_info->data.name);
5355 const char *sym = mono_lookup_jit_icall_symbol (patch_info->data.name);
5356 if (!got_only && sym && acfg->aot_opts.direct_icalls && info->func == info->wrapper) {
5357 /* Call to a jit icall without a wrapper */
5359 external_call = TRUE;
5360 g_assert (strlen (sym) < 1000);
5361 direct_call_target = g_strdup_printf ("%s%s", acfg->user_symbol_prefix, sym);
5366 patch_info->type = MONO_PATCH_INFO_NONE;
5367 acfg->stats.direct_calls ++;
5370 if (!got_only && !direct_call) {
5371 MonoPltEntry *plt_entry = get_plt_entry (acfg, patch_info);
5373 /* This patch has a PLT entry, so we must emit a call to the PLT entry */
5375 direct_call_target = plt_entry->symbol;
5377 /* Nullify the patch */
5378 patch_info->type = MONO_PATCH_INFO_NONE;
5379 plt_entry->jit_used = TRUE;
5386 arch_emit_direct_call (acfg, direct_call_target, external_call, FALSE, patch_info, &call_size);
5387 i += call_size - INST_LEN;
5391 got_slot = get_got_offset (acfg, FALSE, patch_info);
5393 arch_emit_got_access (acfg, acfg->got_symbol, code + i, got_slot, &code_size);
5394 i += code_size - INST_LEN;
5400 #endif /* MONO_ARCH_AOT_SUPPORTED */
5403 /* Find next patch */
5405 for (pindex = start_index; pindex < patches->len; ++pindex) {
5406 patch_info = (MonoJumpInfo *)g_ptr_array_index (patches, pindex);
5407 if (patch_info->ip.i >= i)
5411 /* Try to emit multiple bytes at once */
5412 if (pindex < patches->len && patch_info->ip.i > i) {
5415 for (limit = i + INST_LEN; limit < patch_info->ip.i; limit += INST_LEN) {
5416 if (locs && locs [limit])
5420 emit_code_bytes (acfg, code + i, limit - i);
5421 i = limit - INST_LEN;
5423 emit_code_bytes (acfg, code + i, INST_LEN);
5428 g_ptr_array_free (patches, TRUE);
5435 * Return a modified version of S which only includes characters permissible in symbols.
5438 sanitize_symbol (MonoAotCompile *acfg, char *s)
5440 gboolean process = FALSE;
5449 for (i = 0; i < len; ++i)
5450 if (!(s [i] <= 0x7f && (isalnum (s [i]) || s [i] == '_')))
5455 gs = g_string_sized_new (len);
5456 for (i = 0; i < len; ++i) {
5458 if (c <= 0x7f && (isalnum (c) || c == '_')) {
5459 g_string_append_c (gs, c);
5460 } else if (c > 0x7f) {
5461 /* multi-byte utf8 */
5462 g_string_append_printf (gs, "_0x%x", c);
5465 while (c >> 6 == 0x2) {
5466 g_string_append_printf (gs, "%x", c);
5470 g_string_append_printf (gs, "_");
5473 g_string_append_c (gs, '_');
5477 res = mono_mempool_strdup (acfg->mempool, gs->str);
5478 g_string_free (gs, TRUE);
5483 get_debug_sym (MonoMethod *method, const char *prefix, GHashTable *cache)
5485 char *name1, *name2, *cached;
5486 int i, j, len, count;
5487 MonoMethod *cached_method;
5489 name1 = mono_method_full_name (method, TRUE);
5492 // This is so that we don't accidentally create a local symbol (which starts with 'L')
5493 if ((!prefix || !*prefix) && name1 [0] == 'L')
5497 #if defined(TARGET_WIN32) && defined(TARGET_X86)
5498 char adjustedPrefix [MAX_SYMBOL_SIZE];
5499 prefix = mangle_symbol (prefix, adjustedPrefix, G_N_ELEMENTS (adjustedPrefix));
5502 len = strlen (name1);
5503 name2 = (char *)malloc (strlen (prefix) + len + 16);
5504 memcpy (name2, prefix, strlen (prefix));
5505 j = strlen (prefix);
5506 for (i = 0; i < len; ++i) {
5507 if (i == 0 && name1 [0] >= '0' && name1 [0] <= '9') {
5509 } else if (isalnum (name1 [i])) {
5510 name2 [j ++] = name1 [i];
5511 } else if (name1 [i] == ' ' && name1 [i + 1] == '(' && name1 [i + 2] == ')') {
5513 } else if (name1 [i] == ',' && name1 [i + 1] == ' ') {
5516 } else if (name1 [i] == '(' || name1 [i] == ')' || name1 [i] == '>') {
5526 cached_method = (MonoMethod *)g_hash_table_lookup (cache, name2);
5527 if (!(cached_method && cached_method != method))
5529 sprintf (name2 + j, "_%d", count);
5533 cached = g_strdup (name2);
5534 g_hash_table_insert (cache, cached, method);
5540 emit_method_code (MonoAotCompile *acfg, MonoCompile *cfg)
5545 char *debug_sym = NULL;
5546 char *symbol = NULL;
5547 int func_alignment = AOT_FUNC_ALIGNMENT;
5550 method = cfg->orig_method;
5551 code = cfg->native_code;
5553 method_index = get_method_index (acfg, method);
5554 symbol = g_strdup_printf ("%sme_%x", acfg->temp_prefix, method_index);
5556 /* Make the labels local */
5557 emit_section_change (acfg, ".text", 0);
5558 emit_alignment_code (acfg, func_alignment);
5560 if (acfg->global_symbols && acfg->need_no_dead_strip)
5561 fprintf (acfg->fp, " .no_dead_strip %s\n", cfg->asm_symbol);
5563 emit_label (acfg, cfg->asm_symbol);
5565 if (acfg->aot_opts.write_symbols && !acfg->global_symbols && !acfg->llvm) {
5567 * Write a C style symbol for every method, this has two uses:
5568 * - it works on platforms where the dwarf debugging info is not
5570 * - it allows the setting of breakpoints of aot-ed methods.
5572 debug_sym = get_debug_sym (method, "", acfg->method_label_hash);
5573 cfg->asm_debug_symbol = g_strdup (debug_sym);
5575 if (acfg->need_no_dead_strip)
5576 fprintf (acfg->fp, " .no_dead_strip %s\n", debug_sym);
5577 emit_local_symbol (acfg, debug_sym, symbol, TRUE);
5578 emit_label (acfg, debug_sym);
5581 export_name = (char *)g_hash_table_lookup (acfg->export_names, method);
5583 /* Emit a global symbol for the method */
5584 emit_global_inner (acfg, export_name, TRUE);
5585 emit_label (acfg, export_name);
5588 if (cfg->verbose_level > 0)
5589 g_print ("Method %s emitted as %s\n", mono_method_get_full_name (method), cfg->asm_symbol);
5591 acfg->stats.code_size += cfg->code_len;
5593 acfg->cfgs [method_index]->got_offset = acfg->got_offset;
5595 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 ()));
5599 if (acfg->aot_opts.write_symbols) {
5601 emit_symbol_size (acfg, debug_sym, ".");
5603 emit_symbol_size (acfg, cfg->asm_symbol, ".");
5607 emit_label (acfg, symbol);
5614 * Encode PATCH_INFO into its disk representation.
5617 encode_patch (MonoAotCompile *acfg, MonoJumpInfo *patch_info, guint8 *buf, guint8 **endbuf)
5621 switch (patch_info->type) {
5622 case MONO_PATCH_INFO_NONE:
5624 case MONO_PATCH_INFO_IMAGE:
5625 encode_value (get_image_index (acfg, patch_info->data.image), p, &p);
5627 case MONO_PATCH_INFO_MSCORLIB_GOT_ADDR:
5628 case MONO_PATCH_INFO_JIT_TLS_ID:
5629 case MONO_PATCH_INFO_GC_CARD_TABLE_ADDR:
5630 case MONO_PATCH_INFO_GC_NURSERY_START:
5631 case MONO_PATCH_INFO_GC_NURSERY_BITS:
5633 case MONO_PATCH_INFO_CASTCLASS_CACHE:
5634 encode_value (patch_info->data.index, p, &p);
5636 case MONO_PATCH_INFO_METHOD_REL:
5637 encode_value ((gint)patch_info->data.offset, p, &p);
5639 case MONO_PATCH_INFO_SWITCH: {
5640 gpointer *table = (gpointer *)patch_info->data.table->table;
5643 encode_value (patch_info->data.table->table_size, p, &p);
5644 for (k = 0; k < patch_info->data.table->table_size; k++)
5645 encode_value ((int)(gssize)table [k], p, &p);
5648 case MONO_PATCH_INFO_METHODCONST:
5649 case MONO_PATCH_INFO_METHOD:
5650 case MONO_PATCH_INFO_METHOD_JUMP:
5651 case MONO_PATCH_INFO_ICALL_ADDR:
5652 case MONO_PATCH_INFO_ICALL_ADDR_CALL:
5653 case MONO_PATCH_INFO_METHOD_RGCTX:
5654 case MONO_PATCH_INFO_METHOD_CODE_SLOT:
5655 encode_method_ref (acfg, patch_info->data.method, p, &p);
5657 case MONO_PATCH_INFO_AOT_JIT_INFO:
5658 encode_value (patch_info->data.index, p, &p);
5660 case MONO_PATCH_INFO_INTERNAL_METHOD:
5661 case MONO_PATCH_INFO_JIT_ICALL_ADDR: {
5662 guint32 len = strlen (patch_info->data.name);
5664 encode_value (len, p, &p);
5666 memcpy (p, patch_info->data.name, len);
5671 case MONO_PATCH_INFO_LDSTR: {
5672 guint32 image_index = get_image_index (acfg, patch_info->data.token->image);
5673 guint32 token = patch_info->data.token->token;
5674 g_assert (mono_metadata_token_code (token) == MONO_TOKEN_STRING);
5675 encode_value (image_index, p, &p);
5676 encode_value (patch_info->data.token->token - MONO_TOKEN_STRING, p, &p);
5679 case MONO_PATCH_INFO_RVA:
5680 case MONO_PATCH_INFO_DECLSEC:
5681 case MONO_PATCH_INFO_LDTOKEN:
5682 case MONO_PATCH_INFO_TYPE_FROM_HANDLE:
5683 encode_value (get_image_index (acfg, patch_info->data.token->image), p, &p);
5684 encode_value (patch_info->data.token->token, p, &p);
5685 encode_value (patch_info->data.token->has_context, p, &p);
5686 if (patch_info->data.token->has_context)
5687 encode_generic_context (acfg, &patch_info->data.token->context, p, &p);
5689 case MONO_PATCH_INFO_EXC_NAME: {
5690 MonoClass *ex_class;
5693 mono_class_load_from_name (mono_defaults.exception_class->image,
5694 "System", (const char *)patch_info->data.target);
5695 encode_klass_ref (acfg, ex_class, p, &p);
5698 case MONO_PATCH_INFO_R4:
5699 encode_value (*((guint32 *)patch_info->data.target), p, &p);
5701 case MONO_PATCH_INFO_R8:
5702 encode_value (((guint32 *)patch_info->data.target) [MINI_LS_WORD_IDX], p, &p);
5703 encode_value (((guint32 *)patch_info->data.target) [MINI_MS_WORD_IDX], p, &p);
5705 case MONO_PATCH_INFO_VTABLE:
5706 case MONO_PATCH_INFO_CLASS:
5707 case MONO_PATCH_INFO_IID:
5708 case MONO_PATCH_INFO_ADJUSTED_IID:
5709 encode_klass_ref (acfg, patch_info->data.klass, p, &p);
5711 case MONO_PATCH_INFO_DELEGATE_TRAMPOLINE:
5712 encode_klass_ref (acfg, patch_info->data.del_tramp->klass, p, &p);
5713 if (patch_info->data.del_tramp->method) {
5714 encode_value (1, p, &p);
5715 encode_method_ref (acfg, patch_info->data.del_tramp->method, p, &p);
5717 encode_value (0, p, &p);
5719 encode_value (patch_info->data.del_tramp->is_virtual, p, &p);
5721 case MONO_PATCH_INFO_FIELD:
5722 case MONO_PATCH_INFO_SFLDA:
5723 encode_field_info (acfg, patch_info->data.field, p, &p);
5725 case MONO_PATCH_INFO_INTERRUPTION_REQUEST_FLAG:
5727 case MONO_PATCH_INFO_RGCTX_FETCH:
5728 case MONO_PATCH_INFO_RGCTX_SLOT_INDEX: {
5729 MonoJumpInfoRgctxEntry *entry = patch_info->data.rgctx_entry;
5734 * entry->method has a lenghtly encoding and multiple rgctx_fetch entries
5735 * reference the same method, so encode the method only once.
5737 offset = GPOINTER_TO_UINT (g_hash_table_lookup (acfg->method_blob_hash, entry->method));
5739 buf2 = (guint8 *)g_malloc (1024);
5742 encode_method_ref (acfg, entry->method, p2, &p2);
5743 g_assert (p2 - buf2 < 1024);
5745 offset = add_to_blob (acfg, buf2, p2 - buf2);
5748 g_hash_table_insert (acfg->method_blob_hash, entry->method, GUINT_TO_POINTER (offset + 1));
5753 encode_value (offset, p, &p);
5754 g_assert ((int)entry->info_type < 256);
5755 g_assert (entry->data->type < 256);
5756 encode_value ((entry->in_mrgctx ? 1 : 0) | (entry->info_type << 1) | (entry->data->type << 9), p, &p);
5757 encode_patch (acfg, entry->data, p, &p);
5760 case MONO_PATCH_INFO_SEQ_POINT_INFO:
5761 case MONO_PATCH_INFO_AOT_MODULE:
5763 case MONO_PATCH_INFO_SIGNATURE:
5764 case MONO_PATCH_INFO_GSHAREDVT_IN_WRAPPER:
5765 encode_signature (acfg, (MonoMethodSignature*)patch_info->data.target, p, &p);
5767 case MONO_PATCH_INFO_TLS_OFFSET:
5768 encode_value (GPOINTER_TO_INT (patch_info->data.target), p, &p);
5770 case MONO_PATCH_INFO_GSHAREDVT_CALL:
5771 encode_signature (acfg, (MonoMethodSignature*)patch_info->data.gsharedvt->sig, p, &p);
5772 encode_method_ref (acfg, patch_info->data.gsharedvt->method, p, &p);
5774 case MONO_PATCH_INFO_GSHAREDVT_METHOD: {
5775 MonoGSharedVtMethodInfo *info = patch_info->data.gsharedvt_method;
5778 encode_method_ref (acfg, info->method, p, &p);
5779 encode_value (info->num_entries, p, &p);
5780 for (i = 0; i < info->num_entries; ++i) {
5781 MonoRuntimeGenericContextInfoTemplate *template_ = &info->entries [i];
5783 encode_value (template_->info_type, p, &p);
5784 switch (mini_rgctx_info_type_to_patch_info_type (template_->info_type)) {
5785 case MONO_PATCH_INFO_CLASS:
5786 encode_klass_ref (acfg, mono_class_from_mono_type ((MonoType *)template_->data), p, &p);
5788 case MONO_PATCH_INFO_FIELD:
5789 encode_field_info (acfg, (MonoClassField *)template_->data, p, &p);
5792 g_assert_not_reached ();
5798 case MONO_PATCH_INFO_LDSTR_LIT: {
5799 const char *s = (const char *)patch_info->data.target;
5800 int len = strlen (s);
5802 encode_value (len, p, &p);
5803 memcpy (p, s, len + 1);
5807 case MONO_PATCH_INFO_VIRT_METHOD:
5808 encode_klass_ref (acfg, patch_info->data.virt_method->klass, p, &p);
5809 encode_method_ref (acfg, patch_info->data.virt_method->method, p, &p);
5811 case MONO_PATCH_INFO_GC_SAFE_POINT_FLAG:
5812 case MONO_PATCH_INFO_GET_TLS_TRAMP:
5815 g_warning ("unable to handle jump info %d", patch_info->type);
5816 g_assert_not_reached ();
5823 encode_patch_list (MonoAotCompile *acfg, GPtrArray *patches, int n_patches, gboolean llvm, int first_got_offset, guint8 *buf, guint8 **endbuf)
5826 guint32 pindex, offset;
5827 MonoJumpInfo *patch_info;
5829 encode_value (n_patches, p, &p);
5831 for (pindex = 0; pindex < patches->len; ++pindex) {
5832 patch_info = (MonoJumpInfo *)g_ptr_array_index (patches, pindex);
5834 if (patch_info->type == MONO_PATCH_INFO_NONE || patch_info->type == MONO_PATCH_INFO_BB)
5838 offset = get_got_offset (acfg, llvm, patch_info);
5839 encode_value (offset, p, &p);
5846 emit_method_info (MonoAotCompile *acfg, MonoCompile *cfg)
5849 int pindex, buf_size, n_patches;
5851 MonoJumpInfo *patch_info;
5852 guint32 method_index;
5854 guint32 first_got_offset;
5856 method = cfg->orig_method;
5858 method_index = get_method_index (acfg, method);
5860 /* Sort relocations */
5861 patches = g_ptr_array_new ();
5862 for (patch_info = cfg->patch_info; patch_info; patch_info = patch_info->next)
5863 g_ptr_array_add (patches, patch_info);
5864 g_ptr_array_sort (patches, compare_patches);
5866 first_got_offset = acfg->cfgs [method_index]->got_offset;
5868 /**********************/
5869 /* Encode method info */
5870 /**********************/
5872 buf_size = (patches->len < 1000) ? 40960 : 40960 + (patches->len * 64);
5873 p = buf = (guint8 *)g_malloc (buf_size);
5875 if (mono_class_get_cctor (method->klass)) {
5876 encode_value (1, p, &p);
5877 encode_klass_ref (acfg, method->klass, p, &p);
5879 /* Not needed when loading the method */
5880 encode_value (0, p, &p);
5883 g_assert (!(cfg->opt & MONO_OPT_SHARED));
5886 for (pindex = 0; pindex < patches->len; ++pindex) {
5887 patch_info = (MonoJumpInfo *)g_ptr_array_index (patches, pindex);
5889 if ((patch_info->type == MONO_PATCH_INFO_GOT_OFFSET) ||
5890 (patch_info->type == MONO_PATCH_INFO_NONE)) {
5891 patch_info->type = MONO_PATCH_INFO_NONE;
5896 if ((patch_info->type == MONO_PATCH_INFO_IMAGE) && (patch_info->data.image == acfg->image)) {
5897 /* Stored in a GOT slot initialized at module load time */
5898 patch_info->type = MONO_PATCH_INFO_NONE;
5902 if (patch_info->type == MONO_PATCH_INFO_GC_CARD_TABLE_ADDR ||
5903 patch_info->type == MONO_PATCH_INFO_GC_NURSERY_START ||
5904 patch_info->type == MONO_PATCH_INFO_GC_NURSERY_BITS ||
5905 patch_info->type == MONO_PATCH_INFO_AOT_MODULE) {
5906 /* Stored in a GOT slot initialized at module load time */
5907 patch_info->type = MONO_PATCH_INFO_NONE;
5911 if (is_plt_patch (patch_info) && !(cfg->compile_llvm && acfg->aot_opts.llvm_only)) {
5912 /* Calls are made through the PLT */
5913 patch_info->type = MONO_PATCH_INFO_NONE;
5921 g_assert (cfg->has_got_slots);
5923 encode_patch_list (acfg, patches, n_patches, cfg->compile_llvm, first_got_offset, p, &p);
5925 g_ptr_array_free (patches, TRUE);
5927 acfg->stats.info_size += p - buf;
5929 g_assert (p - buf < buf_size);
5931 cfg->method_info_offset = add_to_blob (acfg, buf, p - buf);
5936 get_unwind_info_offset (MonoAotCompile *acfg, guint8 *encoded, guint32 encoded_len)
5938 guint32 cache_index;
5941 /* Reuse the unwind module to canonize and store unwind info entries */
5942 cache_index = mono_cache_unwind_info (encoded, encoded_len);
5944 /* Use +/- 1 to distinguish 0s from missing entries */
5945 offset = GPOINTER_TO_UINT (g_hash_table_lookup (acfg->unwind_info_offsets, GUINT_TO_POINTER (cache_index + 1)));
5953 * It would be easier to use assembler symbols, but the caller needs an
5956 offset = acfg->unwind_info_offset;
5957 g_hash_table_insert (acfg->unwind_info_offsets, GUINT_TO_POINTER (cache_index + 1), GUINT_TO_POINTER (offset + 1));
5958 g_ptr_array_add (acfg->unwind_ops, GUINT_TO_POINTER (cache_index));
5961 encode_value (encoded_len, p, &p);
5963 acfg->unwind_info_offset += encoded_len + (p - buf);
5969 emit_exception_debug_info (MonoAotCompile *acfg, MonoCompile *cfg, gboolean store_seq_points)
5972 guint32 debug_info_size, seq_points_size;
5974 MonoMethodHeader *header;
5975 guint8 *p, *buf, *debug_info;
5976 MonoJitInfo *jinfo = cfg->jit_info;
5978 gboolean use_unwind_ops = FALSE;
5979 MonoSeqPointInfo *seq_points;
5981 code = cfg->native_code;
5982 header = cfg->header;
5984 if (!acfg->aot_opts.nodebug) {
5985 mono_debug_serialize_debug_info (cfg, &debug_info, &debug_info_size);
5988 debug_info_size = 0;
5991 seq_points = cfg->seq_point_info;
5992 seq_points_size = (store_seq_points)? mono_seq_point_info_get_write_size (seq_points) : 0;
5994 buf_size = header->num_clauses * 256 + debug_info_size + 2048 + seq_points_size + cfg->gc_map_size;
5996 p = buf = (guint8 *)g_malloc (buf_size);
5998 use_unwind_ops = cfg->unwind_ops != NULL;
6000 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);
6002 encode_value (flags, p, &p);
6004 if (use_unwind_ops) {
6005 guint32 encoded_len;
6007 guint32 unwind_desc;
6009 encoded = mono_unwind_ops_encode (cfg->unwind_ops, &encoded_len);
6011 unwind_desc = get_unwind_info_offset (acfg, encoded, encoded_len);
6012 encode_value (unwind_desc, p, &p);
6016 encode_value (jinfo->unwind_info, p, &p);
6019 /*Encode the number of holes before the number of clauses to make decoding easier*/
6020 if (jinfo->has_try_block_holes) {
6021 MonoTryBlockHoleTableJitInfo *table = mono_jit_info_get_try_block_hole_table_info (jinfo);
6022 encode_value (table->num_holes, p, &p);
6025 if (jinfo->has_arch_eh_info) {
6027 * In AOT mode, the code length is calculated from the address of the previous method,
6028 * which could include alignment padding, so calculating the start of the epilog as
6029 * code_len - epilog_size is correct any more. Save the real code len as a workaround.
6031 encode_value (jinfo->code_size, p, &p);
6034 /* Exception table */
6035 if (cfg->compile_llvm) {
6037 * When using LLVM, we can't emit some data, like pc offsets, this reg/offset etc.,
6038 * since the information is only available to llc. Instead, we let llc save the data
6039 * into the LSDA, and read it from there at runtime.
6041 /* The assembly might be CIL stripped so emit the data ourselves */
6042 if (header->num_clauses)
6043 encode_value (header->num_clauses, p, &p);
6045 for (k = 0; k < header->num_clauses; ++k) {
6046 MonoExceptionClause *clause;
6048 clause = &header->clauses [k];
6050 encode_value (clause->flags, p, &p);
6051 if (clause->data.catch_class) {
6052 encode_value (1, p, &p);
6053 encode_klass_ref (acfg, clause->data.catch_class, p, &p);
6055 encode_value (0, p, &p);
6058 /* Emit the IL ranges too, since they might not be available at runtime */
6059 encode_value (clause->try_offset, p, &p);
6060 encode_value (clause->try_len, p, &p);
6061 encode_value (clause->handler_offset, p, &p);
6062 encode_value (clause->handler_len, p, &p);
6064 /* Emit a list of nesting clauses */
6065 for (i = 0; i < header->num_clauses; ++i) {
6067 MonoExceptionClause *clause1 = &header->clauses [cindex1];
6069 MonoExceptionClause *clause2 = &header->clauses [cindex2];
6071 if (cindex1 != cindex2 && clause1->try_offset >= clause2->try_offset && clause1->handler_offset <= clause2->handler_offset)
6072 encode_value (i, p, &p);
6074 encode_value (-1, p, &p);
6077 if (jinfo->num_clauses)
6078 encode_value (jinfo->num_clauses, p, &p);
6080 for (k = 0; k < jinfo->num_clauses; ++k) {
6081 MonoJitExceptionInfo *ei = &jinfo->clauses [k];
6083 encode_value (ei->flags, p, &p);
6084 #ifdef MONO_CONTEXT_SET_LLVM_EXC_REG
6085 /* Not used for catch clauses */
6086 if (ei->flags != MONO_EXCEPTION_CLAUSE_NONE)
6087 encode_value (ei->exvar_offset, p, &p);
6089 encode_value (ei->exvar_offset, p, &p);
6092 if (ei->flags == MONO_EXCEPTION_CLAUSE_FILTER || ei->flags == MONO_EXCEPTION_CLAUSE_FINALLY)
6093 encode_value ((gint)((guint8*)ei->data.filter - code), p, &p);
6095 if (ei->data.catch_class) {
6099 buf2 = (guint8 *)g_malloc (4096);
6101 encode_klass_ref (acfg, ei->data.catch_class, p2, &p2);
6103 g_assert (len < 4096);
6104 encode_value (len, p, &p);
6105 memcpy (p, buf2, len);
6109 encode_value (0, p, &p);
6113 encode_value ((gint)((guint8*)ei->try_start - code), p, &p);
6114 encode_value ((gint)((guint8*)ei->try_end - code), p, &p);
6115 encode_value ((gint)((guint8*)ei->handler_start - code), p, &p);
6119 if (jinfo->has_try_block_holes) {
6120 MonoTryBlockHoleTableJitInfo *table = mono_jit_info_get_try_block_hole_table_info (jinfo);
6121 for (i = 0; i < table->num_holes; ++i) {
6122 MonoTryBlockHoleJitInfo *hole = &table->holes [i];
6123 encode_value (hole->clause, p, &p);
6124 encode_value (hole->length, p, &p);
6125 encode_value (hole->offset, p, &p);
6129 if (jinfo->has_arch_eh_info) {
6130 MonoArchEHJitInfo *eh_info;
6132 eh_info = mono_jit_info_get_arch_eh_info (jinfo);
6133 encode_value (eh_info->stack_size, p, &p);
6134 encode_value (eh_info->epilog_size, p, &p);
6137 if (jinfo->has_generic_jit_info) {
6138 MonoGenericJitInfo *gi = mono_jit_info_get_generic_jit_info (jinfo);
6139 MonoGenericSharingContext* gsctx = gi->generic_sharing_context;
6143 encode_value (gi->nlocs, p, &p);
6145 for (i = 0; i < gi->nlocs; ++i) {
6146 MonoDwarfLocListEntry *entry = &gi->locations [i];
6148 encode_value (entry->is_reg ? 1 : 0, p, &p);
6149 encode_value (entry->reg, p, &p);
6151 encode_value (entry->offset, p, &p);
6153 g_assert (entry->from == 0);
6155 encode_value (entry->from, p, &p);
6156 encode_value (entry->to, p, &p);
6159 if (!cfg->compile_llvm) {
6160 encode_value (gi->has_this ? 1 : 0, p, &p);
6161 encode_value (gi->this_reg, p, &p);
6162 encode_value (gi->this_offset, p, &p);
6167 * Need to encode jinfo->method too, since it is not equal to 'method'
6168 * when using generic sharing.
6170 buf2 = (guint8 *)g_malloc (4096);
6172 encode_method_ref (acfg, jinfo->d.method, p2, &p2);
6174 g_assert (len < 4096);
6175 encode_value (len, p, &p);
6176 memcpy (p, buf2, len);
6180 if (gsctx && gsctx->is_gsharedvt) {
6181 encode_value (1, p, &p);
6183 encode_value (0, p, &p);
6187 if (seq_points_size)
6188 p += mono_seq_point_info_write (seq_points, p);
6190 g_assert (debug_info_size < buf_size);
6192 encode_value (debug_info_size, p, &p);
6193 if (debug_info_size) {
6194 memcpy (p, debug_info, debug_info_size);
6195 p += debug_info_size;
6196 g_free (debug_info);
6201 encode_value (cfg->gc_map_size, p, &p);
6202 /* The GC map requires 4 bytes of alignment */
6203 while ((gsize)p % 4)
6205 memcpy (p, cfg->gc_map, cfg->gc_map_size);
6206 p += cfg->gc_map_size;
6209 acfg->stats.ex_info_size += p - buf;
6211 g_assert (p - buf < buf_size);
6214 /* The GC Map requires 4 byte alignment */
6215 cfg->ex_info_offset = add_to_blob_aligned (acfg, buf, p - buf, cfg->gc_map ? 4 : 1);
6220 emit_klass_info (MonoAotCompile *acfg, guint32 token)
6223 MonoClass *klass = mono_class_get_checked (acfg->image, token, &error);
6225 int i, buf_size, res;
6226 gboolean no_special_static, cant_encode;
6227 gpointer iter = NULL;
6230 mono_error_cleanup (&error);
6234 p = buf = (guint8 *)g_malloc (buf_size);
6236 /* Mark as unusable */
6237 encode_value (-1, p, &p);
6239 res = add_to_blob (acfg, buf, p - buf);
6245 buf_size = 10240 + (klass->vtable_size * 16);
6246 p = buf = (guint8 *)g_malloc (buf_size);
6250 mono_class_init (klass);
6252 mono_class_get_nested_types (klass, &iter);
6253 g_assert (klass->nested_classes_inited);
6255 mono_class_setup_vtable (klass);
6258 * Emit all the information which is required for creating vtables so
6259 * the runtime does not need to create the MonoMethod structures which
6260 * take up a lot of space.
6263 no_special_static = !mono_class_has_special_static_fields (klass);
6265 /* Check whenever we have enough info to encode the vtable */
6266 cant_encode = FALSE;
6267 for (i = 0; i < klass->vtable_size; ++i) {
6268 MonoMethod *cm = klass->vtable [i];
6270 if (cm && mono_method_signature (cm)->is_inflated && !g_hash_table_lookup (acfg->token_info_hash, cm))
6274 mono_class_has_finalizer (klass);
6276 if (mono_class_is_gtd (klass) || cant_encode) {
6277 encode_value (-1, p, &p);
6279 encode_value (klass->vtable_size, p, &p);
6280 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) | ((klass->ext && klass->ext->nested_classes) ? 1 : 0) << 3) | (klass->has_cctor << 2) | (klass->has_finalize << 1) | klass->ghcimpl, p, &p);
6281 if (klass->has_cctor)
6282 encode_method_ref (acfg, mono_class_get_cctor (klass), p, &p);
6283 if (klass->has_finalize)
6284 encode_method_ref (acfg, mono_class_get_finalizer (klass), p, &p);
6286 encode_value (klass->instance_size, p, &p);
6287 encode_value (mono_class_data_size (klass), p, &p);
6288 encode_value (klass->packing_size, p, &p);
6289 encode_value (klass->min_align, p, &p);
6291 for (i = 0; i < klass->vtable_size; ++i) {
6292 MonoMethod *cm = klass->vtable [i];
6295 encode_method_ref (acfg, cm, p, &p);
6297 encode_value (0, p, &p);
6301 acfg->stats.class_info_size += p - buf;
6303 g_assert (p - buf < buf_size);
6304 res = add_to_blob (acfg, buf, p - buf);
6311 get_plt_entry_debug_sym (MonoAotCompile *acfg, MonoJumpInfo *ji, GHashTable *cache)
6313 char *debug_sym = NULL;
6316 if (acfg->llvm && llvm_acfg->aot_opts.static_link) {
6317 /* Need to add a prefix to create unique symbols */
6318 prefix = g_strdup_printf ("plt_%s_", acfg->assembly_name_sym);
6320 #if defined(TARGET_WIN32) && defined(TARGET_X86)
6321 prefix = mangle_symbol_alloc ("plt_");
6323 prefix = g_strdup ("plt_");
6328 case MONO_PATCH_INFO_METHOD:
6329 debug_sym = get_debug_sym (ji->data.method, prefix, cache);
6331 case MONO_PATCH_INFO_INTERNAL_METHOD:
6332 debug_sym = g_strdup_printf ("%s_jit_icall_%s", prefix, ji->data.name);
6334 case MONO_PATCH_INFO_RGCTX_FETCH:
6335 debug_sym = g_strdup_printf ("%s_rgctx_fetch_%d", prefix, acfg->label_generator ++);
6337 case MONO_PATCH_INFO_ICALL_ADDR:
6338 case MONO_PATCH_INFO_ICALL_ADDR_CALL: {
6339 char *s = get_debug_sym (ji->data.method, "", cache);
6341 debug_sym = g_strdup_printf ("%s_icall_native_%s", prefix, s);
6345 case MONO_PATCH_INFO_JIT_ICALL_ADDR:
6346 debug_sym = g_strdup_printf ("%s_jit_icall_native_%s", prefix, ji->data.name);
6354 return sanitize_symbol (acfg, debug_sym);
6358 * Calls made from AOTed code are routed through a table of jumps similar to the
6359 * ELF PLT (Program Linkage Table). Initially the PLT entries jump to code which transfers
6360 * control to the AOT runtime through a trampoline.
6363 emit_plt (MonoAotCompile *acfg)
6367 if (acfg->aot_opts.llvm_only) {
6368 g_assert (acfg->plt_offset == 1);
6374 emit_section_change (acfg, ".text", 0);
6375 emit_alignment_code (acfg, 16);
6376 emit_info_symbol (acfg, "plt");
6377 emit_label (acfg, acfg->plt_symbol);
6379 for (i = 0; i < acfg->plt_offset; ++i) {
6380 char *debug_sym = NULL;
6381 MonoPltEntry *plt_entry = NULL;
6385 * The first plt entry is unused.
6389 plt_entry = (MonoPltEntry *)g_hash_table_lookup (acfg->plt_offset_to_entry, GUINT_TO_POINTER (i));
6391 debug_sym = plt_entry->debug_sym;
6393 if (acfg->thumb_mixed && !plt_entry->jit_used)
6394 /* Emit only a thumb version */
6397 /* Skip plt entries not actually called */
6398 if (!plt_entry->jit_used && !plt_entry->llvm_used)
6401 if (acfg->llvm && !acfg->thumb_mixed) {
6402 emit_label (acfg, plt_entry->llvm_symbol);
6404 emit_global_inner (acfg, plt_entry->llvm_symbol, TRUE);
6405 #if defined(TARGET_MACH)
6406 fprintf (acfg->fp, ".private_extern %s\n", plt_entry->llvm_symbol);
6412 if (acfg->need_no_dead_strip) {
6413 emit_unset_mode (acfg);
6414 fprintf (acfg->fp, " .no_dead_strip %s\n", debug_sym);
6416 emit_local_symbol (acfg, debug_sym, NULL, TRUE);
6417 emit_label (acfg, debug_sym);
6420 emit_label (acfg, plt_entry->symbol);
6422 arch_emit_plt_entry (acfg, acfg->got_symbol, (acfg->plt_got_offset_base + i) * sizeof (gpointer), acfg->plt_got_info_offsets [i]);
6425 emit_symbol_size (acfg, debug_sym, ".");
6428 if (acfg->thumb_mixed) {
6429 /* Make sure the ARM symbols don't alias the thumb ones */
6430 emit_zero_bytes (acfg, 16);
6433 * Emit a separate set of PLT entries using thumb2 which is called by LLVM generated
6436 for (i = 0; i < acfg->plt_offset; ++i) {
6437 char *debug_sym = NULL;
6438 MonoPltEntry *plt_entry = NULL;
6443 plt_entry = (MonoPltEntry *)g_hash_table_lookup (acfg->plt_offset_to_entry, GUINT_TO_POINTER (i));
6445 /* Skip plt entries not actually called by LLVM code */
6446 if (!plt_entry->llvm_used)
6449 if (acfg->aot_opts.write_symbols) {
6450 if (plt_entry->debug_sym)
6451 debug_sym = g_strdup_printf ("%s_thumb", plt_entry->debug_sym);
6455 #if defined(TARGET_MACH)
6456 fprintf (acfg->fp, " .thumb_func %s\n", debug_sym);
6457 fprintf (acfg->fp, " .no_dead_strip %s\n", debug_sym);
6459 emit_local_symbol (acfg, debug_sym, NULL, TRUE);
6460 emit_label (acfg, debug_sym);
6462 fprintf (acfg->fp, "\n.thumb_func\n");
6464 emit_label (acfg, plt_entry->llvm_symbol);
6467 emit_global_inner (acfg, plt_entry->llvm_symbol, TRUE);
6469 arch_emit_llvm_plt_entry (acfg, acfg->got_symbol, (acfg->plt_got_offset_base + i) * sizeof (gpointer), acfg->plt_got_info_offsets [i]);
6472 emit_symbol_size (acfg, debug_sym, ".");
6478 emit_symbol_size (acfg, acfg->plt_symbol, ".");
6480 emit_info_symbol (acfg, "plt_end");
6484 * emit_trampoline_full:
6486 * If EMIT_TINFO is TRUE, emit additional information which can be used to create a MonoJitInfo for this trampoline by
6487 * create_jit_info_for_trampoline ().
6489 static G_GNUC_UNUSED void
6490 emit_trampoline_full (MonoAotCompile *acfg, int got_offset, MonoTrampInfo *info, gboolean emit_tinfo)
6492 char start_symbol [MAX_SYMBOL_SIZE];
6493 char end_symbol [MAX_SYMBOL_SIZE];
6494 char symbol [MAX_SYMBOL_SIZE];
6495 guint32 buf_size, info_offset;
6496 MonoJumpInfo *patch_info;
6509 code_size = info->code_size;
6511 unwind_ops = info->unwind_ops;
6515 sprintf (start_symbol, "%s%s", acfg->user_symbol_prefix, name);
6517 emit_section_change (acfg, ".text", 0);
6518 emit_global (acfg, start_symbol, TRUE);
6519 emit_alignment_code (acfg, AOT_FUNC_ALIGNMENT);
6520 emit_label (acfg, start_symbol);
6522 sprintf (symbol, "%snamed_%s", acfg->temp_prefix, name);
6523 emit_label (acfg, symbol);
6526 * The code should access everything through the GOT, so we pass
6529 emit_and_reloc_code (acfg, NULL, code, code_size, ji, TRUE, NULL);
6531 emit_symbol_size (acfg, start_symbol, ".");
6534 sprintf (end_symbol, "%snamede_%s", acfg->temp_prefix, name);
6535 emit_label (acfg, end_symbol);
6540 /* Sort relocations */
6541 patches = g_ptr_array_new ();
6542 for (patch_info = ji; patch_info; patch_info = patch_info->next)
6543 if (patch_info->type != MONO_PATCH_INFO_NONE)
6544 g_ptr_array_add (patches, patch_info);
6545 g_ptr_array_sort (patches, compare_patches);
6547 buf_size = patches->len * 128 + 128;
6548 buf = (guint8 *)g_malloc (buf_size);
6551 encode_patch_list (acfg, patches, patches->len, FALSE, got_offset, p, &p);
6552 g_assert (p - buf < buf_size);
6553 g_ptr_array_free (patches, TRUE);
6555 sprintf (symbol, "%s%s_p", acfg->user_symbol_prefix, name);
6557 info_offset = add_to_blob (acfg, buf, p - buf);
6559 emit_section_change (acfg, RODATA_SECT, 0);
6560 emit_global (acfg, symbol, FALSE);
6561 emit_label (acfg, symbol);
6563 emit_int32 (acfg, info_offset);
6567 guint32 encoded_len;
6571 * Emit additional information which can be used to reconstruct a partial MonoTrampInfo.
6573 encoded = mono_unwind_ops_encode (info->unwind_ops, &encoded_len);
6574 uw_offset = get_unwind_info_offset (acfg, encoded, encoded_len);
6577 emit_symbol_diff (acfg, end_symbol, start_symbol, 0);
6578 emit_int32 (acfg, uw_offset);
6581 /* Emit debug info */
6583 char symbol2 [MAX_SYMBOL_SIZE];
6585 sprintf (symbol, "%s", name);
6586 sprintf (symbol2, "%snamed_%s", acfg->temp_prefix, name);
6589 mono_dwarf_writer_emit_trampoline (acfg->dwarf, symbol, symbol2, NULL, NULL, code_size, unwind_ops);
6595 static G_GNUC_UNUSED void
6596 emit_trampoline (MonoAotCompile *acfg, int got_offset, MonoTrampInfo *info)
6598 emit_trampoline_full (acfg, got_offset, info, TRUE);
6602 emit_trampolines (MonoAotCompile *acfg)
6604 char symbol [MAX_SYMBOL_SIZE];
6605 char end_symbol [MAX_SYMBOL_SIZE];
6606 int i, tramp_got_offset;
6608 #ifdef MONO_ARCH_HAVE_FULL_AOT_TRAMPOLINES
6612 if (!mono_aot_mode_is_full (&acfg->aot_opts) || acfg->aot_opts.llvm_only)
6615 g_assert (acfg->image->assembly);
6617 /* Currently, we emit most trampolines into the mscorlib AOT image. */
6618 if (strcmp (acfg->image->assembly->aname.name, "mscorlib") == 0) {
6619 #ifdef MONO_ARCH_HAVE_FULL_AOT_TRAMPOLINES
6620 MonoTrampInfo *info;
6623 * Emit the generic trampolines.
6625 * We could save some code by treating the generic trampolines as a wrapper
6626 * method, but that approach has its own complexities, so we choose the simpler
6629 for (tramp_type = 0; tramp_type < MONO_TRAMPOLINE_NUM; ++tramp_type) {
6630 /* we overload the boolean here to indicate the slightly different trampoline needed, see mono_arch_create_generic_trampoline() */
6631 #ifdef DISABLE_REMOTING
6632 if (tramp_type == MONO_TRAMPOLINE_GENERIC_VIRTUAL_REMOTING)
6635 #ifndef MONO_ARCH_HAVE_HANDLER_BLOCK_GUARD
6636 if (tramp_type == MONO_TRAMPOLINE_HANDLER_BLOCK_GUARD)
6639 mono_arch_create_generic_trampoline ((MonoTrampolineType)tramp_type, &info, acfg->aot_opts.use_trampolines_page? 2: TRUE);
6640 emit_trampoline (acfg, acfg->got_offset, info);
6643 /* Emit the exception related code pieces */
6644 mono_arch_get_restore_context (&info, TRUE);
6645 emit_trampoline (acfg, acfg->got_offset, info);
6646 mono_arch_get_call_filter (&info, TRUE);
6647 emit_trampoline (acfg, acfg->got_offset, info);
6648 mono_arch_get_throw_exception (&info, TRUE);
6649 emit_trampoline (acfg, acfg->got_offset, info);
6650 mono_arch_get_rethrow_exception (&info, TRUE);
6651 emit_trampoline (acfg, acfg->got_offset, info);
6652 mono_arch_get_throw_corlib_exception (&info, TRUE);
6653 emit_trampoline (acfg, acfg->got_offset, info);
6655 #ifdef MONO_ARCH_HAVE_SDB_TRAMPOLINES
6656 mono_arch_create_sdb_trampoline (TRUE, &info, TRUE);
6657 emit_trampoline (acfg, acfg->got_offset, info);
6658 mono_arch_create_sdb_trampoline (FALSE, &info, TRUE);
6659 emit_trampoline (acfg, acfg->got_offset, info);
6662 #ifdef MONO_ARCH_GSHAREDVT_SUPPORTED
6663 mono_arch_get_gsharedvt_trampoline (&info, TRUE);
6665 emit_trampoline_full (acfg, acfg->got_offset, info, TRUE);
6667 /* Create a separate out trampoline for more information in stack traces */
6668 info->name = g_strdup ("gsharedvt_out_trampoline");
6669 emit_trampoline_full (acfg, acfg->got_offset, info, TRUE);
6673 #if defined(MONO_ARCH_HAVE_GET_TRAMPOLINES)
6675 GSList *l = mono_arch_get_trampolines (TRUE);
6678 MonoTrampInfo *info = (MonoTrampInfo *)l->data;
6680 emit_trampoline (acfg, acfg->got_offset, info);
6686 for (i = 0; i < acfg->aot_opts.nrgctx_fetch_trampolines; ++i) {
6689 offset = MONO_RGCTX_SLOT_MAKE_RGCTX (i);
6690 mono_arch_create_rgctx_lazy_fetch_trampoline (offset, &info, TRUE);
6691 emit_trampoline (acfg, acfg->got_offset, info);
6694 offset = MONO_RGCTX_SLOT_MAKE_MRGCTX (i);
6695 mono_arch_create_rgctx_lazy_fetch_trampoline (offset, &info, TRUE);
6696 emit_trampoline (acfg, acfg->got_offset, info);
6700 #ifdef MONO_ARCH_HAVE_GENERAL_RGCTX_LAZY_FETCH_TRAMPOLINE
6701 mono_arch_create_general_rgctx_lazy_fetch_trampoline (&info, TRUE);
6702 emit_trampoline (acfg, acfg->got_offset, info);
6708 /* delegate_invoke_impl trampolines */
6709 l = mono_arch_get_delegate_invoke_impls ();
6711 MonoTrampInfo *info = (MonoTrampInfo *)l->data;
6713 emit_trampoline (acfg, acfg->got_offset, info);
6718 #ifdef MONO_ARCH_HAVE_HANDLER_BLOCK_GUARD_AOT
6719 mono_arch_create_handler_block_trampoline (&info, TRUE);
6720 emit_trampoline (acfg, acfg->got_offset, info);
6723 #endif /* #ifdef MONO_ARCH_HAVE_FULL_AOT_TRAMPOLINES */
6725 /* Emit trampolines which are numerous */
6728 * These include the following:
6729 * - specific trampolines
6730 * - static rgctx invoke trampolines
6732 * These trampolines have the same code, they are parameterized by GOT
6734 * They are defined in this file, in the arch_... routines instead of
6735 * in tramp-<ARCH>.c, since it is easier to do it this way.
6739 * When running in aot-only mode, we can't create specific trampolines at
6740 * runtime, so we create a few, and save them in the AOT file.
6741 * Normal trampolines embed their argument as a literal inside the
6742 * trampoline code, we can't do that here, so instead we embed an offset
6743 * which needs to be added to the trampoline address to get the address of
6744 * the GOT slot which contains the argument value.
6745 * The generated trampolines jump to the generic trampolines using another
6746 * GOT slot, which will be setup by the AOT loader to point to the
6747 * generic trampoline code of the given type.
6751 * FIXME: Maybe we should use more specific trampolines (i.e. one class init for
6755 emit_section_change (acfg, ".text", 0);
6757 tramp_got_offset = acfg->got_offset;
6759 for (ntype = 0; ntype < MONO_AOT_TRAMP_NUM; ++ntype) {
6761 case MONO_AOT_TRAMP_SPECIFIC:
6762 sprintf (symbol, "specific_trampolines");
6764 case MONO_AOT_TRAMP_STATIC_RGCTX:
6765 sprintf (symbol, "static_rgctx_trampolines");
6767 case MONO_AOT_TRAMP_IMT:
6768 sprintf (symbol, "imt_trampolines");
6770 case MONO_AOT_TRAMP_GSHAREDVT_ARG:
6771 sprintf (symbol, "gsharedvt_arg_trampolines");
6774 g_assert_not_reached ();
6777 sprintf (end_symbol, "%s_e", symbol);
6779 if (acfg->aot_opts.write_symbols)
6780 emit_local_symbol (acfg, symbol, end_symbol, TRUE);
6782 emit_alignment_code (acfg, AOT_FUNC_ALIGNMENT);
6783 emit_info_symbol (acfg, symbol);
6785 acfg->trampoline_got_offset_base [ntype] = tramp_got_offset;
6787 for (i = 0; i < acfg->num_trampolines [ntype]; ++i) {
6791 case MONO_AOT_TRAMP_SPECIFIC:
6792 arch_emit_specific_trampoline (acfg, tramp_got_offset, &tramp_size);
6793 tramp_got_offset += 2;
6795 case MONO_AOT_TRAMP_STATIC_RGCTX:
6796 arch_emit_static_rgctx_trampoline (acfg, tramp_got_offset, &tramp_size);
6797 tramp_got_offset += 2;
6799 case MONO_AOT_TRAMP_IMT:
6800 arch_emit_imt_trampoline (acfg, tramp_got_offset, &tramp_size);
6801 tramp_got_offset += 1;
6803 case MONO_AOT_TRAMP_GSHAREDVT_ARG:
6804 arch_emit_gsharedvt_arg_trampoline (acfg, tramp_got_offset, &tramp_size);
6805 tramp_got_offset += 2;
6808 g_assert_not_reached ();
6810 if (!acfg->trampoline_size [ntype]) {
6811 g_assert (tramp_size);
6812 acfg->trampoline_size [ntype] = tramp_size;
6816 emit_label (acfg, end_symbol);
6817 emit_int32 (acfg, 0);
6820 arch_emit_specific_trampoline_pages (acfg);
6822 /* Reserve some entries at the end of the GOT for our use */
6823 acfg->num_trampoline_got_entries = tramp_got_offset - acfg->got_offset;
6826 acfg->got_offset += acfg->num_trampoline_got_entries;
6830 str_begins_with (const char *str1, const char *str2)
6832 int len = strlen (str2);
6833 return strncmp (str1, str2, len) == 0;
6837 mono_aot_readonly_field_override (MonoClassField *field)
6840 for (rdv = readonly_values; rdv; rdv = rdv->next) {
6841 char *p = rdv->name;
6843 len = strlen (field->parent->name_space);
6844 if (strncmp (p, field->parent->name_space, len))
6849 len = strlen (field->parent->name);
6850 if (strncmp (p, field->parent->name, len))
6855 if (strcmp (p, field->name))
6857 switch (rdv->type) {
6859 return &rdv->value.i1;
6861 return &rdv->value.i2;
6863 return &rdv->value.i4;
6872 add_readonly_value (MonoAotOptions *opts, const char *val)
6877 /* the format of val is:
6878 * namespace.typename.fieldname=type/value
6879 * type can be i1 for uint8/int8/boolean, i2 for uint16/int16/char, i4 for uint32/int32
6881 fval = strrchr (val, '/');
6883 fprintf (stderr, "AOT : invalid format for readonly field '%s', missing /.\n", val);
6886 tval = strrchr (val, '=');
6888 fprintf (stderr, "AOT : invalid format for readonly field '%s', missing =.\n", val);
6891 rdv = g_new0 (ReadOnlyValue, 1);
6892 rdv->name = (char *)g_malloc0 (tval - val + 1);
6893 memcpy (rdv->name, val, tval - val);
6896 if (strncmp (tval, "i1", 2) == 0) {
6897 rdv->value.i1 = atoi (fval);
6898 rdv->type = MONO_TYPE_I1;
6899 } else if (strncmp (tval, "i2", 2) == 0) {
6900 rdv->value.i2 = atoi (fval);
6901 rdv->type = MONO_TYPE_I2;
6902 } else if (strncmp (tval, "i4", 2) == 0) {
6903 rdv->value.i4 = atoi (fval);
6904 rdv->type = MONO_TYPE_I4;
6906 fprintf (stderr, "AOT : unsupported type for readonly field '%s'.\n", tval);
6909 rdv->next = readonly_values;
6910 readonly_values = rdv;
6914 clean_path (gchar * path)
6919 if (g_str_has_suffix (path, G_DIR_SEPARATOR_S))
6922 gchar *clean = g_strconcat (path, G_DIR_SEPARATOR_S, NULL);
6929 wrap_path (gchar * path)
6935 // If the string contains no spaces, just return the original string.
6936 if (strstr (path, " ") == NULL)
6939 // If the string is already wrapped in quotes, return it.
6940 len = strlen (path);
6941 if (len >= 2 && path[0] == '\"' && path[len-1] == '\"')
6944 // If the string contains spaces, then wrap it in quotes.
6945 gchar *clean = g_strdup_printf ("\"%s\"", path);
6950 // Duplicate a char range and add it to a ptrarray, but only if it is nonempty
6952 ptr_array_add_range_if_nonempty(GPtrArray *args, gchar const *start, gchar const *end)
6954 ptrdiff_t len = end-start;
6956 g_ptr_array_add (args, g_strndup (start, len));
6960 mono_aot_split_options (const char *aot_options)
6962 enum MonoAotOptionState {
6963 MONO_AOT_OPTION_STATE_DEFAULT,
6964 MONO_AOT_OPTION_STATE_STRING,
6965 MONO_AOT_OPTION_STATE_ESCAPE,
6968 GPtrArray *args = g_ptr_array_new ();
6969 enum MonoAotOptionState state = MONO_AOT_OPTION_STATE_DEFAULT;
6970 gchar const *opt_start = aot_options;
6971 gboolean end_of_string = FALSE;
6974 g_return_val_if_fail (aot_options != NULL, NULL);
6976 while ((cur = *aot_options) != '\0') {
6977 if (state == MONO_AOT_OPTION_STATE_ESCAPE)
6982 // If we find a quote, then if we're in the default case then
6983 // it means we've found the start of a string, if not then it
6984 // means we've found the end of the string and should switch
6985 // back to the default case.
6987 case MONO_AOT_OPTION_STATE_DEFAULT:
6988 state = MONO_AOT_OPTION_STATE_STRING;
6990 case MONO_AOT_OPTION_STATE_STRING:
6991 state = MONO_AOT_OPTION_STATE_DEFAULT;
6993 case MONO_AOT_OPTION_STATE_ESCAPE:
6994 g_assert_not_reached ();
6999 // If we've found an escaping operator, then this means we
7000 // should not process the next character if inside a string.
7001 if (state == MONO_AOT_OPTION_STATE_STRING)
7002 state = MONO_AOT_OPTION_STATE_ESCAPE;
7005 // If we're in the default state then this means we've found
7006 // an option, store it for later processing.
7007 if (state == MONO_AOT_OPTION_STATE_DEFAULT)
7015 // If the next character is end of string, then process the last option.
7016 if (*(aot_options) == '\0') {
7017 end_of_string = TRUE;
7023 ptr_array_add_range_if_nonempty (args, opt_start, aot_options);
7024 opt_start = ++aot_options;
7027 goto restart; // Check for null and continue loop
7034 mono_aot_parse_options (const char *aot_options, MonoAotOptions *opts)
7038 args = mono_aot_split_options (aot_options ? aot_options : "");
7039 for (int i = 0; i < args->len; ++i) {
7040 const char *arg = (const char *)g_ptr_array_index (args, i);
7042 if (str_begins_with (arg, "outfile=")) {
7043 opts->outfile = g_strdup (arg + strlen ("outfile="));
7044 } else if (str_begins_with (arg, "llvm-outfile=")) {
7045 opts->llvm_outfile = g_strdup (arg + strlen ("llvm-outfile="));
7046 } else if (str_begins_with (arg, "temp-path=")) {
7047 opts->temp_path = clean_path (g_strdup (arg + strlen ("temp-path=")));
7048 } else if (str_begins_with (arg, "save-temps")) {
7049 opts->save_temps = TRUE;
7050 } else if (str_begins_with (arg, "keep-temps")) {
7051 opts->save_temps = TRUE;
7052 } else if (str_begins_with (arg, "write-symbols")) {
7053 opts->write_symbols = TRUE;
7054 } else if (str_begins_with (arg, "no-write-symbols")) {
7055 opts->write_symbols = FALSE;
7056 } else if (str_begins_with (arg, "metadata-only")) {
7057 opts->metadata_only = TRUE;
7058 } else if (str_begins_with (arg, "bind-to-runtime-version")) {
7059 opts->bind_to_runtime_version = TRUE;
7060 } else if (str_begins_with (arg, "full")) {
7061 opts->mode = MONO_AOT_MODE_FULL;
7062 } else if (str_begins_with (arg, "hybrid")) {
7063 opts->mode = MONO_AOT_MODE_HYBRID;
7064 } else if (str_begins_with (arg, "threads=")) {
7065 opts->nthreads = atoi (arg + strlen ("threads="));
7066 } else if (str_begins_with (arg, "static")) {
7067 opts->static_link = TRUE;
7068 opts->no_dlsym = TRUE;
7069 } else if (str_begins_with (arg, "asmonly")) {
7070 opts->asm_only = TRUE;
7071 } else if (str_begins_with (arg, "asmwriter")) {
7072 opts->asm_writer = TRUE;
7073 } else if (str_begins_with (arg, "nodebug")) {
7074 opts->nodebug = TRUE;
7075 } else if (str_begins_with (arg, "dwarfdebug")) {
7076 opts->dwarf_debug = TRUE;
7077 } else if (str_begins_with (arg, "nopagetrampolines")) {
7078 opts->use_trampolines_page = FALSE;
7079 } else if (str_begins_with (arg, "ntrampolines=")) {
7080 opts->ntrampolines = atoi (arg + strlen ("ntrampolines="));
7081 } else if (str_begins_with (arg, "nrgctx-trampolines=")) {
7082 opts->nrgctx_trampolines = atoi (arg + strlen ("nrgctx-trampolines="));
7083 } else if (str_begins_with (arg, "nrgctx-fetch-trampolines=")) {
7084 opts->nrgctx_fetch_trampolines = atoi (arg + strlen ("nrgctx-fetch-trampolines="));
7085 } else if (str_begins_with (arg, "nimt-trampolines=")) {
7086 opts->nimt_trampolines = atoi (arg + strlen ("nimt-trampolines="));
7087 } else if (str_begins_with (arg, "ngsharedvt-trampolines=")) {
7088 opts->ngsharedvt_arg_trampolines = atoi (arg + strlen ("ngsharedvt-trampolines="));
7089 } else if (str_begins_with (arg, "tool-prefix=")) {
7090 opts->tool_prefix = g_strdup (arg + strlen ("tool-prefix="));
7091 } else if (str_begins_with (arg, "ld-flags=")) {
7092 opts->ld_flags = g_strdup (arg + strlen ("ld-flags="));
7093 } else if (str_begins_with (arg, "soft-debug")) {
7094 opts->soft_debug = TRUE;
7095 } else if (str_begins_with (arg, "gen-seq-points-file=")) {
7096 fprintf (stderr, "Mono Warning: aot option gen-seq-points-file= is deprecated.\n");
7097 } else if (str_begins_with (arg, "gen-seq-points-file")) {
7098 fprintf (stderr, "Mono Warning: aot option gen-seq-points-file is deprecated.\n");
7099 } else if (str_begins_with (arg, "msym-dir=")) {
7100 debug_options.no_seq_points_compact_data = FALSE;
7101 opts->gen_msym_dir = TRUE;
7102 opts->gen_msym_dir_path = g_strdup (arg + strlen ("msym_dir="));;
7103 } else if (str_begins_with (arg, "direct-pinvoke")) {
7104 opts->direct_pinvoke = TRUE;
7105 } else if (str_begins_with (arg, "direct-icalls")) {
7106 opts->direct_icalls = TRUE;
7107 } else if (str_begins_with (arg, "no-direct-calls")) {
7108 opts->no_direct_calls = TRUE;
7109 } else if (str_begins_with (arg, "print-skipped")) {
7110 opts->print_skipped_methods = TRUE;
7111 } else if (str_begins_with (arg, "stats")) {
7113 } else if (str_begins_with (arg, "no-instances")) {
7114 opts->no_instances = TRUE;
7115 } else if (str_begins_with (arg, "log-generics")) {
7116 opts->log_generics = TRUE;
7117 } else if (str_begins_with (arg, "log-instances=")) {
7118 opts->log_instances = TRUE;
7119 opts->instances_logfile_path = g_strdup (arg + strlen ("log-instances="));
7120 } else if (str_begins_with (arg, "log-instances")) {
7121 opts->log_instances = TRUE;
7122 } else if (str_begins_with (arg, "internal-logfile=")) {
7123 opts->logfile = g_strdup (arg + strlen ("internal-logfile="));
7124 } else if (str_begins_with (arg, "mtriple=")) {
7125 opts->mtriple = g_strdup (arg + strlen ("mtriple="));
7126 } else if (str_begins_with (arg, "llvm-path=")) {
7127 opts->llvm_path = clean_path (g_strdup (arg + strlen ("llvm-path=")));
7128 } else if (!strcmp (arg, "llvm")) {
7130 } else if (str_begins_with (arg, "readonly-value=")) {
7131 add_readonly_value (opts, arg + strlen ("readonly-value="));
7132 } else if (str_begins_with (arg, "info")) {
7133 printf ("AOT target setup: %s.\n", AOT_TARGET_STR);
7135 } else if (str_begins_with (arg, "gc-maps")) {
7136 mini_gc_enable_gc_maps_for_aot ();
7137 } else if (str_begins_with (arg, "dump")) {
7138 opts->dump_json = TRUE;
7139 } else if (str_begins_with (arg, "llvmonly")) {
7140 opts->mode = MONO_AOT_MODE_FULL;
7142 opts->llvm_only = TRUE;
7143 } else if (str_begins_with (arg, "data-outfile=")) {
7144 opts->data_outfile = g_strdup (arg + strlen ("data-outfile="));
7145 } else if (str_begins_with (arg, "help") || str_begins_with (arg, "?")) {
7146 printf ("Supported options for --aot:\n");
7147 printf (" outfile=\n");
7148 printf (" llvm-outfile=\n");
7149 printf (" llvm-path=\n");
7150 printf (" temp-path=\n");
7151 printf (" save-temps\n");
7152 printf (" keep-temps\n");
7153 printf (" write-symbols\n");
7154 printf (" metadata-only\n");
7155 printf (" bind-to-runtime-version\n");
7157 printf (" threads=\n");
7158 printf (" static\n");
7159 printf (" asmonly\n");
7160 printf (" asmwriter\n");
7161 printf (" nodebug\n");
7162 printf (" dwarfdebug\n");
7163 printf (" ntrampolines=\n");
7164 printf (" nrgctx-trampolines=\n");
7165 printf (" nimt-trampolines=\n");
7166 printf (" ngsharedvt-trampolines=\n");
7167 printf (" tool-prefix=\n");
7168 printf (" readonly-value=\n");
7169 printf (" soft-debug\n");
7170 printf (" msym-dir=\n");
7171 printf (" gc-maps\n");
7172 printf (" print-skipped\n");
7173 printf (" no-instances\n");
7174 printf (" stats\n");
7177 printf (" help/?\n");
7180 fprintf (stderr, "AOT : Unknown argument '%s'.\n", arg);
7184 g_free ((gpointer) arg);
7187 if (opts->use_trampolines_page) {
7188 opts->ntrampolines = 0;
7189 opts->nrgctx_trampolines = 0;
7190 opts->nimt_trampolines = 0;
7191 opts->ngsharedvt_arg_trampolines = 0;
7194 g_ptr_array_free (args, /*free_seg=*/TRUE);
7198 add_token_info_hash (gpointer key, gpointer value, gpointer user_data)
7200 MonoMethod *method = (MonoMethod*)key;
7201 MonoJumpInfoToken *ji = (MonoJumpInfoToken*)value;
7202 MonoAotCompile *acfg = (MonoAotCompile *)user_data;
7203 MonoJumpInfoToken *new_ji;
7205 new_ji = (MonoJumpInfoToken *)mono_mempool_alloc0 (acfg->mempool, sizeof (MonoJumpInfoToken));
7206 new_ji->image = ji->image;
7207 new_ji->token = ji->token;
7208 g_hash_table_insert (acfg->token_info_hash, method, new_ji);
7212 can_encode_class (MonoAotCompile *acfg, MonoClass *klass)
7214 if (klass->type_token)
7216 if ((klass->byval_arg.type == MONO_TYPE_VAR) || (klass->byval_arg.type == MONO_TYPE_MVAR) || (klass->byval_arg.type == MONO_TYPE_PTR))
7219 return can_encode_class (acfg, klass->element_class);
7224 can_encode_method (MonoAotCompile *acfg, MonoMethod *method)
7226 if (method->wrapper_type) {
7227 switch (method->wrapper_type) {
7228 case MONO_WRAPPER_NONE:
7229 case MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK:
7230 case MONO_WRAPPER_XDOMAIN_INVOKE:
7231 case MONO_WRAPPER_STFLD:
7232 case MONO_WRAPPER_LDFLD:
7233 case MONO_WRAPPER_LDFLDA:
7234 case MONO_WRAPPER_STELEMREF:
7235 case MONO_WRAPPER_ISINST:
7236 case MONO_WRAPPER_PROXY_ISINST:
7237 case MONO_WRAPPER_ALLOC:
7238 case MONO_WRAPPER_REMOTING_INVOKE:
7239 case MONO_WRAPPER_UNKNOWN:
7240 case MONO_WRAPPER_WRITE_BARRIER:
7241 case MONO_WRAPPER_DELEGATE_INVOKE:
7242 case MONO_WRAPPER_DELEGATE_BEGIN_INVOKE:
7243 case MONO_WRAPPER_DELEGATE_END_INVOKE:
7244 case MONO_WRAPPER_SYNCHRONIZED:
7246 case MONO_WRAPPER_MANAGED_TO_MANAGED:
7247 case MONO_WRAPPER_CASTCLASS: {
7248 WrapperInfo *info = mono_marshal_get_wrapper_info (method);
7257 //printf ("Skip (wrapper call): %d -> %s\n", patch_info->type, mono_method_full_name (patch_info->data.method, TRUE));
7261 if (!method->token) {
7262 /* The method is part of a constructed type like Int[,].Set (). */
7263 if (!g_hash_table_lookup (acfg->token_info_hash, method)) {
7264 if (method->klass->rank)
7274 can_encode_patch (MonoAotCompile *acfg, MonoJumpInfo *patch_info)
7276 switch (patch_info->type) {
7277 case MONO_PATCH_INFO_METHOD:
7278 case MONO_PATCH_INFO_METHODCONST:
7279 case MONO_PATCH_INFO_METHOD_CODE_SLOT: {
7280 MonoMethod *method = patch_info->data.method;
7282 return can_encode_method (acfg, method);
7284 case MONO_PATCH_INFO_VTABLE:
7285 case MONO_PATCH_INFO_CLASS:
7286 case MONO_PATCH_INFO_IID:
7287 case MONO_PATCH_INFO_ADJUSTED_IID:
7288 if (!can_encode_class (acfg, patch_info->data.klass)) {
7289 //printf ("Skip: %s\n", mono_type_full_name (&patch_info->data.klass->byval_arg));
7293 case MONO_PATCH_INFO_DELEGATE_TRAMPOLINE: {
7294 if (!can_encode_class (acfg, patch_info->data.del_tramp->klass)) {
7295 //printf ("Skip: %s\n", mono_type_full_name (&patch_info->data.klass->byval_arg));
7300 case MONO_PATCH_INFO_RGCTX_FETCH:
7301 case MONO_PATCH_INFO_RGCTX_SLOT_INDEX: {
7302 MonoJumpInfoRgctxEntry *entry = patch_info->data.rgctx_entry;
7304 if (!can_encode_method (acfg, entry->method))
7306 if (!can_encode_patch (acfg, entry->data))
7318 is_concrete_type (MonoType *t)
7323 if (t->type == MONO_TYPE_VAR || t->type == MONO_TYPE_MVAR)
7325 if (t->type == MONO_TYPE_GENERICINST) {
7326 MonoGenericContext *orig_ctx;
7327 MonoGenericInst *inst;
7330 if (!MONO_TYPE_ISSTRUCT (t))
7332 klass = mono_class_from_mono_type (t);
7333 orig_ctx = &mono_class_get_generic_class (klass)->context;
7335 inst = orig_ctx->class_inst;
7337 for (i = 0; i < inst->type_argc; ++i) {
7338 arg = mini_get_underlying_type (inst->type_argv [i]);
7339 if (!is_concrete_type (arg))
7343 inst = orig_ctx->method_inst;
7345 for (i = 0; i < inst->type_argc; ++i) {
7346 arg = mini_get_underlying_type (inst->type_argv [i]);
7347 if (!is_concrete_type (arg))
7355 /* LOCKING: Assumes the loader lock is held */
7357 add_gsharedvt_wrappers (MonoAotCompile *acfg, MonoMethodSignature *sig, gboolean gsharedvt_in, gboolean gsharedvt_out)
7359 MonoMethod *wrapper;
7360 gboolean concrete = TRUE;
7361 gboolean add_in = gsharedvt_in;
7362 gboolean add_out = gsharedvt_out;
7364 if (gsharedvt_in && g_hash_table_lookup (acfg->gsharedvt_in_signatures, sig))
7366 if (gsharedvt_out && g_hash_table_lookup (acfg->gsharedvt_out_signatures, sig))
7369 if (!add_in && !add_out)
7372 if (mini_is_gsharedvt_variable_signature (sig))
7376 g_hash_table_insert (acfg->gsharedvt_in_signatures, sig, sig);
7378 g_hash_table_insert (acfg->gsharedvt_out_signatures, sig, sig);
7380 if (!sig->has_type_parameters) {
7381 //printf ("%s\n", mono_signature_full_name (sig));
7384 wrapper = mini_get_gsharedvt_in_sig_wrapper (sig);
7385 add_extra_method (acfg, wrapper);
7387 if (gsharedvt_out) {
7388 wrapper = mini_get_gsharedvt_out_sig_wrapper (sig);
7389 add_extra_method (acfg, wrapper);
7392 /* For signatures creared during generic sharing, convert them to a concrete signature if possible */
7393 MonoMethodSignature *copy = mono_metadata_signature_dup (sig);
7396 //printf ("%s\n", mono_signature_full_name (sig));
7398 copy->ret = mini_get_underlying_type (sig->ret);
7399 if (!is_concrete_type (copy->ret))
7401 for (i = 0; i < sig->param_count; ++i) {
7402 copy->params [i] = mini_get_underlying_type (sig->params [i]);
7403 if (!is_concrete_type (copy->params [i]))
7407 copy->has_type_parameters = 0;
7410 wrapper = mini_get_gsharedvt_in_sig_wrapper (copy);
7411 add_extra_method (acfg, wrapper);
7414 if (gsharedvt_out) {
7415 wrapper = mini_get_gsharedvt_out_sig_wrapper (copy);
7416 add_extra_method (acfg, wrapper);
7419 //printf ("%s\n", mono_method_full_name (wrapper, 1));
7427 * AOT compile a given method.
7428 * This function might be called by multiple threads, so it must be thread-safe.
7431 compile_method (MonoAotCompile *acfg, MonoMethod *method)
7434 MonoJumpInfo *patch_info;
7437 MonoMethod *wrapped;
7441 if (acfg->aot_opts.metadata_only)
7444 mono_acfg_lock (acfg);
7445 index = get_method_index (acfg, method);
7446 mono_acfg_unlock (acfg);
7448 /* fixme: maybe we can also precompile wrapper methods */
7449 if ((method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL) ||
7450 (method->iflags & METHOD_IMPL_ATTRIBUTE_RUNTIME) ||
7451 (method->flags & METHOD_ATTRIBUTE_ABSTRACT)) {
7452 //printf ("Skip (impossible): %s\n", mono_method_full_name (method, TRUE));
7456 if (method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL)
7459 wrapped = mono_marshal_method_from_wrapper (method);
7460 if (wrapped && (wrapped->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) && wrapped->is_generic)
7461 // FIXME: The wrapper should be generic too, but it is not
7464 if (method->wrapper_type == MONO_WRAPPER_COMINTEROP)
7467 InterlockedIncrement (&acfg->stats.mcount);
7470 if (method->is_generic || mono_class_is_gtd (method->klass)) {
7471 InterlockedIncrement (&acfg->stats.genericcount);
7476 //acfg->aot_opts.print_skipped_methods = TRUE;
7479 * Since these methods are the only ones which are compiled with
7480 * AOT support, and they are not used by runtime startup/shutdown code,
7481 * the runtime will not see AOT methods during AOT compilation,so it
7482 * does not need to support them by creating a fake GOT etc.
7484 flags = JIT_FLAG_AOT;
7485 if (mono_aot_mode_is_full (&acfg->aot_opts))
7486 flags = (JitFlags)(flags | JIT_FLAG_FULL_AOT);
7488 flags = (JitFlags)(flags | JIT_FLAG_LLVM);
7489 if (acfg->aot_opts.llvm_only)
7490 flags = (JitFlags)(flags | JIT_FLAG_LLVM_ONLY | JIT_FLAG_EXPLICIT_NULL_CHECKS);
7491 if (acfg->aot_opts.no_direct_calls)
7492 flags = (JitFlags)(flags | JIT_FLAG_NO_DIRECT_ICALLS);
7494 jit_timer = mono_time_track_start ();
7495 cfg = mini_method_compile (method, acfg->opts, mono_get_root_domain (), flags, 0, index);
7496 mono_time_track_end (&mono_jit_stats.jit_time, jit_timer);
7498 if (cfg->exception_type == MONO_EXCEPTION_GENERIC_SHARING_FAILED) {
7499 if (acfg->aot_opts.print_skipped_methods)
7500 printf ("Skip (gshared failure): %s (%s)\n", mono_method_get_full_name (method), cfg->exception_message);
7501 InterlockedIncrement (&acfg->stats.genericcount);
7504 if (cfg->exception_type != MONO_EXCEPTION_NONE) {
7505 if (acfg->aot_opts.print_skipped_methods)
7506 printf ("Skip (JIT failure): %s\n", mono_method_get_full_name (method));
7507 /* Let the exception happen at runtime */
7511 if (cfg->disable_aot) {
7512 if (acfg->aot_opts.print_skipped_methods)
7513 printf ("Skip (disabled): %s\n", mono_method_get_full_name (method));
7514 InterlockedIncrement (&acfg->stats.ocount);
7517 cfg->method_index = index;
7519 /* Nullify patches which need no aot processing */
7520 for (patch_info = cfg->patch_info; patch_info; patch_info = patch_info->next) {
7521 switch (patch_info->type) {
7522 case MONO_PATCH_INFO_LABEL:
7523 case MONO_PATCH_INFO_BB:
7524 patch_info->type = MONO_PATCH_INFO_NONE;
7531 /* Collect method->token associations from the cfg */
7532 mono_acfg_lock (acfg);
7533 g_hash_table_foreach (cfg->token_info_hash, add_token_info_hash, acfg);
7534 mono_acfg_unlock (acfg);
7535 g_hash_table_destroy (cfg->token_info_hash);
7536 cfg->token_info_hash = NULL;
7539 * Check for absolute addresses.
7542 for (patch_info = cfg->patch_info; patch_info; patch_info = patch_info->next) {
7543 switch (patch_info->type) {
7544 case MONO_PATCH_INFO_ABS:
7545 /* unable to handle this */
7554 if (acfg->aot_opts.print_skipped_methods)
7555 printf ("Skip (abs call): %s\n", mono_method_get_full_name (method));
7556 InterlockedIncrement (&acfg->stats.abscount);
7560 /* Lock for the rest of the code */
7561 mono_acfg_lock (acfg);
7564 acfg->stats.method_categories [METHOD_CAT_GSHAREDVT] ++;
7565 else if (cfg->gshared)
7566 acfg->stats.method_categories [METHOD_CAT_INST] ++;
7567 else if (cfg->method->wrapper_type)
7568 acfg->stats.method_categories [METHOD_CAT_WRAPPER] ++;
7570 acfg->stats.method_categories [METHOD_CAT_NORMAL] ++;
7573 * Check for methods/klasses we can't encode.
7576 for (patch_info = cfg->patch_info; patch_info; patch_info = patch_info->next) {
7577 if (!can_encode_patch (acfg, patch_info))
7582 if (acfg->aot_opts.print_skipped_methods)
7583 printf ("Skip (patches): %s\n", mono_method_get_full_name (method));
7584 acfg->stats.ocount++;
7585 mono_acfg_unlock (acfg);
7589 if (!cfg->compile_llvm)
7590 acfg->has_jitted_code = TRUE;
7592 if (method->is_inflated && acfg->aot_opts.log_instances) {
7593 if (acfg->instances_logfile)
7594 fprintf (acfg->instances_logfile, "%s ### %d\n", mono_method_get_full_name (method), cfg->code_size);
7596 printf ("%s ### %d\n", mono_method_get_full_name (method), cfg->code_size);
7599 /* Adds generic instances referenced by this method */
7601 * The depth is used to avoid infinite loops when generic virtual recursion is
7604 depth = GPOINTER_TO_UINT (g_hash_table_lookup (acfg->method_depth, method));
7605 if (!acfg->aot_opts.no_instances && depth < 32) {
7606 for (patch_info = cfg->patch_info; patch_info; patch_info = patch_info->next) {
7607 switch (patch_info->type) {
7608 case MONO_PATCH_INFO_RGCTX_FETCH:
7609 case MONO_PATCH_INFO_RGCTX_SLOT_INDEX:
7610 case MONO_PATCH_INFO_METHOD: {
7611 MonoMethod *m = NULL;
7613 if (patch_info->type == MONO_PATCH_INFO_RGCTX_FETCH || patch_info->type == MONO_PATCH_INFO_RGCTX_SLOT_INDEX) {
7614 MonoJumpInfoRgctxEntry *e = patch_info->data.rgctx_entry;
7616 if (e->info_type == MONO_RGCTX_INFO_GENERIC_METHOD_CODE)
7617 m = e->data->data.method;
7619 m = patch_info->data.method;
7624 if (m->is_inflated) {
7625 if (!(mono_class_generic_sharing_enabled (m->klass) &&
7626 mono_method_is_generic_sharable_full (m, FALSE, FALSE, FALSE)) &&
7627 (!method_has_type_vars (m) || mono_method_is_generic_sharable_full (m, TRUE, TRUE, FALSE))) {
7628 if (m->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) {
7629 if (mono_aot_mode_is_full (&acfg->aot_opts) && !method_has_type_vars (m))
7630 add_extra_method_with_depth (acfg, mono_marshal_get_native_wrapper (m, TRUE, TRUE), depth + 1);
7632 add_extra_method_with_depth (acfg, m, depth + 1);
7633 add_types_from_method_header (acfg, m);
7636 add_generic_class_with_depth (acfg, m->klass, depth + 5, "method");
7638 if (m->wrapper_type == MONO_WRAPPER_MANAGED_TO_MANAGED) {
7639 WrapperInfo *info = mono_marshal_get_wrapper_info (m);
7641 if (info && info->subtype == WRAPPER_SUBTYPE_ELEMENT_ADDR)
7642 add_extra_method_with_depth (acfg, m, depth + 1);
7646 case MONO_PATCH_INFO_VTABLE: {
7647 MonoClass *klass = patch_info->data.klass;
7649 if (mono_class_is_ginst (klass) && !mini_class_is_generic_sharable (klass))
7650 add_generic_class_with_depth (acfg, klass, depth + 5, "vtable");
7653 case MONO_PATCH_INFO_SFLDA: {
7654 MonoClass *klass = patch_info->data.field->parent;
7656 /* The .cctor needs to run at runtime. */
7657 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))
7658 add_extra_method_with_depth (acfg, mono_class_get_cctor (klass), depth + 1);
7667 /* Determine whenever the method has GOT slots */
7668 for (patch_info = cfg->patch_info; patch_info; patch_info = patch_info->next) {
7669 switch (patch_info->type) {
7670 case MONO_PATCH_INFO_GOT_OFFSET:
7671 case MONO_PATCH_INFO_NONE:
7672 case MONO_PATCH_INFO_GC_CARD_TABLE_ADDR:
7673 case MONO_PATCH_INFO_GC_NURSERY_START:
7674 case MONO_PATCH_INFO_GC_NURSERY_BITS:
7676 case MONO_PATCH_INFO_IMAGE:
7677 /* The assembly is stored in GOT slot 0 */
7678 if (patch_info->data.image != acfg->image)
7679 cfg->has_got_slots = TRUE;
7682 if (!is_plt_patch (patch_info) || (cfg->compile_llvm && acfg->aot_opts.llvm_only))
7683 cfg->has_got_slots = TRUE;
7688 if (!cfg->has_got_slots)
7689 InterlockedIncrement (&acfg->stats.methods_without_got_slots);
7691 /* Add gsharedvt wrappers for signatures used by the method */
7692 if (acfg->aot_opts.llvm_only) {
7695 if (!cfg->method->wrapper_type || cfg->method->wrapper_type == MONO_WRAPPER_DELEGATE_INVOKE)
7696 /* These only need out wrappers */
7697 add_gsharedvt_wrappers (acfg, mono_method_signature (cfg->method), FALSE, TRUE);
7699 for (l = cfg->signatures; l; l = l->next) {
7700 MonoMethodSignature *sig = mono_metadata_signature_dup ((MonoMethodSignature*)l->data);
7702 /* These only need in wrappers */
7703 add_gsharedvt_wrappers (acfg, sig, TRUE, FALSE);
7708 * FIXME: Instead of this mess, allocate the patches from the aot mempool.
7710 /* Make a copy of the patch info which is in the mempool */
7712 MonoJumpInfo *patches = NULL, *patches_end = NULL;
7714 for (patch_info = cfg->patch_info; patch_info; patch_info = patch_info->next) {
7715 MonoJumpInfo *new_patch_info = mono_patch_info_dup_mp (acfg->mempool, patch_info);
7718 patches = new_patch_info;
7720 patches_end->next = new_patch_info;
7721 patches_end = new_patch_info;
7723 cfg->patch_info = patches;
7725 /* Make a copy of the unwind info */
7727 GSList *l, *unwind_ops;
7731 for (l = cfg->unwind_ops; l; l = l->next) {
7732 op = (MonoUnwindOp *)mono_mempool_alloc (acfg->mempool, sizeof (MonoUnwindOp));
7733 memcpy (op, l->data, sizeof (MonoUnwindOp));
7734 unwind_ops = g_slist_prepend_mempool (acfg->mempool, unwind_ops, op);
7736 cfg->unwind_ops = g_slist_reverse (unwind_ops);
7738 /* Make a copy of the argument/local info */
7741 MonoInst **args, **locals;
7742 MonoMethodSignature *sig;
7743 MonoMethodHeader *header;
7746 sig = mono_method_signature (method);
7747 args = (MonoInst **)mono_mempool_alloc (acfg->mempool, sizeof (MonoInst*) * (sig->param_count + sig->hasthis));
7748 for (i = 0; i < sig->param_count + sig->hasthis; ++i) {
7749 args [i] = (MonoInst *)mono_mempool_alloc (acfg->mempool, sizeof (MonoInst));
7750 memcpy (args [i], cfg->args [i], sizeof (MonoInst));
7754 header = mono_method_get_header_checked (method, &error);
7755 mono_error_assert_ok (&error); /* FIXME don't swallow the error */
7756 locals = (MonoInst **)mono_mempool_alloc (acfg->mempool, sizeof (MonoInst*) * header->num_locals);
7757 for (i = 0; i < header->num_locals; ++i) {
7758 locals [i] = (MonoInst *)mono_mempool_alloc (acfg->mempool, sizeof (MonoInst));
7759 memcpy (locals [i], cfg->locals [i], sizeof (MonoInst));
7761 mono_metadata_free_mh (header);
7762 cfg->locals = locals;
7765 /* Free some fields used by cfg to conserve memory */
7766 mono_empty_compile (cfg);
7768 //printf ("Compile: %s\n", mono_method_full_name (method, TRUE));
7770 while (index >= acfg->cfgs_size) {
7771 MonoCompile **new_cfgs;
7774 new_size = acfg->cfgs_size * 2;
7775 new_cfgs = g_new0 (MonoCompile*, new_size);
7776 memcpy (new_cfgs, acfg->cfgs, sizeof (MonoCompile*) * acfg->cfgs_size);
7777 g_free (acfg->cfgs);
7778 acfg->cfgs = new_cfgs;
7779 acfg->cfgs_size = new_size;
7781 acfg->cfgs [index] = cfg;
7783 g_hash_table_insert (acfg->method_to_cfg, cfg->orig_method, cfg);
7785 mono_update_jit_stats (cfg);
7788 if (cfg->orig_method->wrapper_type)
7789 g_ptr_array_add (acfg->extra_methods, cfg->orig_method);
7792 mono_acfg_unlock (acfg);
7794 InterlockedIncrement (&acfg->stats.ccount);
7798 compile_thread_main (gpointer user_data)
7800 MonoDomain *domain = ((MonoDomain **)user_data) [0];
7801 MonoAotCompile *acfg = ((MonoAotCompile **)user_data) [1];
7802 GPtrArray *methods = ((GPtrArray **)user_data) [2];
7806 MonoThread *thread = mono_thread_attach (domain);
7807 mono_thread_set_name_internal (thread->internal_thread, mono_string_new (mono_get_root_domain (), "AOT compiler"), TRUE, &error);
7808 mono_error_assert_ok (&error);
7810 for (i = 0; i < methods->len; ++i)
7811 compile_method (acfg, (MonoMethod *)g_ptr_array_index (methods, i));
7817 load_profile_files (MonoAotCompile *acfg)
7821 int file_index, res, method_index, i;
7824 GList *unordered, *l;
7829 tmp = g_strdup_printf ("%s/.mono/aot-profile-data/%s-%d", g_get_home_dir (), acfg->image->assembly_name, file_index);
7831 if (!g_file_test (tmp, G_FILE_TEST_IS_REGULAR)) {
7836 infile = fopen (tmp, "r");
7839 printf ("Using profile data file '%s'\n", tmp);
7844 res = fscanf (infile, "%32s\n", ver);
7845 if ((res != 1) || strcmp (ver, "#VER:2") != 0) {
7846 printf ("Profile file has wrong version or invalid.\n");
7853 MonoMethodDesc *desc;
7856 if (fgets (name, 1023, infile) == NULL)
7859 /* Kill the newline */
7860 if (strlen (name) > 0)
7861 name [strlen (name) - 1] = '\0';
7863 desc = mono_method_desc_new (name, TRUE);
7865 method = mono_method_desc_search_in_image (desc, acfg->image);
7867 if (method && mono_method_get_token (method)) {
7868 token = mono_method_get_token (method);
7869 method_index = mono_metadata_token_index (token) - 1;
7872 for (i = 0; i < acfg->method_order->len; ++i) {
7873 if (g_ptr_array_index (acfg->method_order, i) == GUINT_TO_POINTER (method_index)) {
7879 g_ptr_array_add (acfg->method_order, GUINT_TO_POINTER (method_index));
7881 //printf ("No method found matching '%s'.\n", name);
7887 /* Add missing methods */
7889 for (method_index = 0; method_index < acfg->image->tables [MONO_TABLE_METHOD].rows; ++method_index) {
7891 for (i = 0; i < acfg->method_order->len; ++i) {
7892 if (g_ptr_array_index (acfg->method_order, i) == GUINT_TO_POINTER (method_index)) {
7898 unordered = g_list_prepend (unordered, GUINT_TO_POINTER (method_index));
7900 unordered = g_list_reverse (unordered);
7901 for (l = unordered; l; l = l->next)
7902 g_ptr_array_add (acfg->method_order, l->data);
7905 /* Used by the LLVM backend */
7907 mono_aot_get_got_offset (MonoJumpInfo *ji)
7909 return get_got_offset (llvm_acfg, TRUE, ji);
7913 * mono_aot_is_shared_got_offset:
7915 * Return whenever OFFSET refers to a GOT slot which is preinitialized
7916 * when the AOT image is loaded.
7919 mono_aot_is_shared_got_offset (int offset)
7921 return offset < llvm_acfg->nshared_got_entries;
7925 mono_aot_get_method_name (MonoCompile *cfg)
7927 if (llvm_acfg->aot_opts.static_link)
7928 /* Include the assembly name too to avoid duplicate symbol errors */
7929 return g_strdup_printf ("%s_%s", llvm_acfg->assembly_name_sym, get_debug_sym (cfg->orig_method, "", llvm_acfg->method_label_hash));
7931 return get_debug_sym (cfg->orig_method, "", llvm_acfg->method_label_hash);
7935 * mono_aot_is_linkonce_method:
7937 * Return whenever METHOD should be emitted with linkonce linkage,
7938 * eliminating duplicate copies when compiling in static mode.
7941 mono_aot_is_linkonce_method (MonoMethod *method)
7947 // FIXME: Add more cases
7948 if (method->wrapper_type != MONO_WRAPPER_UNKNOWN)
7950 info = mono_marshal_get_wrapper_info (method);
7951 if ((info && (info->subtype == WRAPPER_SUBTYPE_GSHAREDVT_IN_SIG || info->subtype == WRAPPER_SUBTYPE_GSHAREDVT_OUT_SIG)))
7958 append_mangled_type (GString *s, MonoType *t)
7961 g_string_append_printf (s, "b");
7963 case MONO_TYPE_VOID:
7964 g_string_append_printf (s, "void_");
7967 g_string_append_printf (s, "i1");
7970 g_string_append_printf (s, "u1");
7973 g_string_append_printf (s, "i2");
7976 g_string_append_printf (s, "u2");
7979 g_string_append_printf (s, "i4");
7982 g_string_append_printf (s, "u4");
7985 g_string_append_printf (s, "i8");
7988 g_string_append_printf (s, "u8");
7991 g_string_append_printf (s, "ii");
7994 g_string_append_printf (s, "ui");
7997 g_string_append_printf (s, "fl");
8000 g_string_append_printf (s, "do");
8003 char *fullname = mono_type_full_name (t);
8009 * Have to create a mangled name which is:
8013 temp = g_string_new ("");
8014 len = strlen (fullname);
8015 for (i = 0; i < len; ++i) {
8016 char c = fullname [i];
8018 g_string_append_c (temp, c);
8019 } else if (c == '_') {
8020 g_string_append_c (temp, '_');
8021 g_string_append_c (temp, '_');
8023 g_string_append_c (temp, '_');
8024 g_string_append_printf (temp, "%x", (int)c);
8027 temps = g_string_free (temp, FALSE);
8028 /* Include the length to avoid different length type names aliasing each other */
8029 g_string_append_printf (s, "cl%x_%s_", strlen (temps), temps);
8038 append_mangled_signature (GString *s, MonoMethodSignature *sig)
8043 supported = append_mangled_type (s, sig->ret);
8047 g_string_append_printf (s, "this_");
8048 for (i = 0; i < sig->param_count; ++i) {
8049 supported = append_mangled_type (s, sig->params [i]);
8058 * mono_aot_get_mangled_method_name:
8060 * Return a unique mangled name for METHOD, or NULL.
8063 mono_aot_get_mangled_method_name (MonoMethod *method)
8069 // FIXME: Add more cases
8070 if (method->wrapper_type != MONO_WRAPPER_UNKNOWN)
8072 info = mono_marshal_get_wrapper_info (method);
8073 if (!(info && (info->subtype == WRAPPER_SUBTYPE_GSHAREDVT_IN_SIG || info->subtype == WRAPPER_SUBTYPE_GSHAREDVT_OUT_SIG)))
8076 s = g_string_new ("");
8078 g_string_append_printf (s, "aot_method_w_");
8080 switch (info->subtype) {
8081 case WRAPPER_SUBTYPE_GSHAREDVT_IN_SIG:
8082 g_string_append_printf (s, "gsharedvt_in_");
8084 case WRAPPER_SUBTYPE_GSHAREDVT_OUT_SIG:
8085 g_string_append_printf (s, "gsharedvt_out_");
8088 g_assert_not_reached ();
8092 supported = append_mangled_signature (s, info->d.gsharedvt.sig);
8094 g_string_free (s, TRUE);
8098 return g_string_free (s, FALSE);
8102 mono_aot_is_direct_callable (MonoJumpInfo *patch_info)
8104 return is_direct_callable (llvm_acfg, NULL, patch_info);
8108 mono_aot_mark_unused_llvm_plt_entry (MonoJumpInfo *patch_info)
8110 MonoPltEntry *plt_entry;
8112 plt_entry = get_plt_entry (llvm_acfg, patch_info);
8113 plt_entry->llvm_used = FALSE;
8117 mono_aot_get_direct_call_symbol (MonoJumpInfoType type, gconstpointer data)
8119 const char *sym = NULL;
8121 if (llvm_acfg->aot_opts.direct_icalls) {
8122 if (type == MONO_PATCH_INFO_JIT_ICALL_ADDR) {
8123 /* Call to a C function implementing a jit icall */
8124 sym = mono_lookup_jit_icall_symbol ((const char *)data);
8125 } else if (type == MONO_PATCH_INFO_ICALL_ADDR_CALL) {
8126 MonoMethod *method = (MonoMethod *)data;
8127 if (!(method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL))
8128 sym = mono_lookup_icall_symbol (method);
8129 else if (llvm_acfg->aot_opts.direct_pinvoke)
8130 sym = get_pinvoke_import (llvm_acfg, method);
8133 return g_strdup (sym);
8139 mono_aot_get_plt_symbol (MonoJumpInfoType type, gconstpointer data)
8141 MonoJumpInfo *ji = (MonoJumpInfo *)mono_mempool_alloc (llvm_acfg->mempool, sizeof (MonoJumpInfo));
8142 MonoPltEntry *plt_entry;
8143 const char *sym = NULL;
8146 ji->data.target = data;
8148 if (!can_encode_patch (llvm_acfg, ji))
8151 if (llvm_acfg->aot_opts.direct_icalls) {
8152 if (type == MONO_PATCH_INFO_JIT_ICALL_ADDR) {
8153 /* Call to a C function implementing a jit icall */
8154 sym = mono_lookup_jit_icall_symbol ((const char *)data);
8155 } else if (type == MONO_PATCH_INFO_ICALL_ADDR_CALL) {
8156 MonoMethod *method = (MonoMethod *)data;
8157 if (!(method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL))
8158 sym = mono_lookup_icall_symbol (method);
8161 return g_strdup (sym);
8164 plt_entry = get_plt_entry (llvm_acfg, ji);
8165 plt_entry->llvm_used = TRUE;
8167 #if defined(TARGET_MACH)
8168 return g_strdup_printf (plt_entry->llvm_symbol + strlen (llvm_acfg->llvm_label_prefix));
8170 return g_strdup_printf (plt_entry->llvm_symbol);
8175 mono_aot_get_method_index (MonoMethod *method)
8177 g_assert (llvm_acfg);
8178 return get_method_index (llvm_acfg, method);
8182 mono_aot_patch_info_dup (MonoJumpInfo* ji)
8186 mono_acfg_lock (llvm_acfg);
8187 res = mono_patch_info_dup_mp (llvm_acfg->mempool, ji);
8188 mono_acfg_unlock (llvm_acfg);
8194 execute_system (const char * command)
8199 // We need an extra set of quotes around the whole command to properly handle commands
8200 // with spaces since internally the command is called through "cmd /c.
8201 command = g_strdup_printf ("\"%s\"", command);
8203 int size = MultiByteToWideChar (CP_UTF8, 0 , command , -1, NULL , 0);
8204 wchar_t* wstr = g_malloc (sizeof (wchar_t) * size);
8205 MultiByteToWideChar (CP_UTF8, 0, command, -1, wstr , size);
8206 status = _wsystem (wstr);
8210 #elif defined (HAVE_SYSTEM)
8211 status = system (command);
8213 g_assert_not_reached ();
8224 * Emit the LLVM code into an LLVM bytecode file, and compile it using the LLVM
8228 emit_llvm_file (MonoAotCompile *acfg)
8230 char *command, *opts, *tempbc, *optbc, *output_fname;
8232 if (acfg->aot_opts.llvm_only && acfg->aot_opts.asm_only) {
8233 tempbc = g_strdup_printf ("%s.bc", acfg->tmpbasename);
8234 optbc = g_strdup (acfg->aot_opts.llvm_outfile);
8236 tempbc = g_strdup_printf ("%s.bc", acfg->tmpbasename);
8237 optbc = g_strdup_printf ("%s.opt.bc", acfg->tmpbasename);
8240 mono_llvm_emit_aot_module (tempbc, g_path_get_basename (acfg->image->name));
8243 * FIXME: Experiment with adding optimizations, the -std-compile-opts set takes
8244 * a lot of time, and doesn't seem to save much space.
8245 * The following optimizations cannot be enabled:
8247 * - 'jump-threading' changes our blockaddress references to int constants.
8248 * - 'basiccg' fails because it contains:
8249 * if (CS && !isa<IntrinsicInst>(II)) {
8250 * and isa<IntrinsicInst> is false for invokes to intrinsics (iltests.exe).
8251 * - 'prune-eh' and 'functionattrs' depend on 'basiccg'.
8252 * The opt list below was produced by taking the output of:
8253 * llvm-as < /dev/null | opt -O2 -disable-output -debug-pass=Arguments
8254 * then removing tailcallelim + the global opts.
8255 * strip-dead-prototypes deletes unused intrinsics definitions.
8257 /* The dse pass is disabled because of #13734 and #17616 */
8259 * The dse bug is in DeadStoreElimination.cpp:isOverwrite ():
8260 * // If we have no DataLayout information around, then the size of the store
8261 * // is inferrable from the pointee type. If they are the same type, then
8262 * // we know that the store is safe.
8263 * if (AA.getDataLayout() == 0 &&
8264 * Later.Ptr->getType() == Earlier.Ptr->getType()) {
8265 * return OverwriteComplete;
8266 * Here, if 'Earlier' refers to a memset, and Later has no size info, it mistakenly thinks the memset is redundant.
8268 if (acfg->aot_opts.llvm_only)
8269 // FIXME: This doesn't work yet
8270 opts = g_strdup ("");
8272 #if LLVM_API_VERSION > 100
8273 opts = g_strdup ("-O2 -disable-tail-calls");
8275 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");
8277 command = g_strdup_printf ("\"%sopt\" -f %s -o \"%s\" \"%s\"", acfg->aot_opts.llvm_path, opts, optbc, tempbc);
8278 aot_printf (acfg, "Executing opt: %s\n", command);
8279 if (execute_system (command) != 0)
8283 if (acfg->aot_opts.llvm_only && acfg->aot_opts.asm_only)
8284 /* Nothing else to do */
8287 if (acfg->aot_opts.llvm_only) {
8288 /* Use the stock clang from xcode */
8290 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);
8292 aot_printf (acfg, "Executing clang: %s\n", command);
8293 if (execute_system (command) != 0)
8298 if (!acfg->llc_args)
8299 acfg->llc_args = g_string_new ("");
8301 /* Verbose asm slows down llc greatly */
8302 g_string_append (acfg->llc_args, " -asm-verbose=false");
8304 if (acfg->aot_opts.mtriple)
8305 g_string_append_printf (acfg->llc_args, " -mtriple=%s", acfg->aot_opts.mtriple);
8307 g_string_append (acfg->llc_args, " -disable-gnu-eh-frame -enable-mono-eh-frame");
8309 g_string_append_printf (acfg->llc_args, " -mono-eh-frame-symbol=%s%s", acfg->user_symbol_prefix, acfg->llvm_eh_frame_symbol);
8311 #if LLVM_API_VERSION > 100
8312 g_string_append_printf (acfg->llc_args, " -disable-tail-calls");
8315 #if defined(TARGET_MACH) && defined(TARGET_ARM)
8316 /* ios requires PIC code now */
8317 g_string_append_printf (acfg->llc_args, " -relocation-model=pic");
8319 if (llvm_acfg->aot_opts.static_link)
8320 g_string_append_printf (acfg->llc_args, " -relocation-model=static");
8322 g_string_append_printf (acfg->llc_args, " -relocation-model=pic");
8325 if (acfg->llvm_owriter) {
8326 /* Emit an object file directly */
8327 output_fname = g_strdup_printf ("%s", acfg->llvm_ofile);
8328 g_string_append_printf (acfg->llc_args, " -filetype=obj");
8330 output_fname = g_strdup_printf ("%s", acfg->llvm_sfile);
8332 command = g_strdup_printf ("\"%sllc\" %s -o \"%s\" \"%s.opt.bc\"", acfg->aot_opts.llvm_path, acfg->llc_args->str, output_fname, acfg->tmpbasename);
8333 g_free (output_fname);
8335 aot_printf (acfg, "Executing llc: %s\n", command);
8337 if (execute_system (command) != 0)
8344 emit_code (MonoAotCompile *acfg)
8346 int oindex, i, prev_index;
8347 gboolean saved_unbox_info = FALSE;
8348 char symbol [MAX_SYMBOL_SIZE];
8350 if (acfg->aot_opts.llvm_only)
8353 #if defined(TARGET_POWERPC64)
8354 sprintf (symbol, ".Lgot_addr");
8355 emit_section_change (acfg, ".text", 0);
8356 emit_alignment (acfg, 8);
8357 emit_label (acfg, symbol);
8358 emit_pointer (acfg, acfg->got_symbol);
8362 * This global symbol is used to compute the address of each method using the
8363 * code_offsets array. It is also used to compute the memory ranges occupied by
8364 * AOT code, so it must be equal to the address of the first emitted method.
8366 emit_section_change (acfg, ".text", 0);
8367 emit_alignment_code (acfg, 8);
8368 emit_info_symbol (acfg, "jit_code_start");
8371 * Emit some padding so the local symbol for the first method doesn't have the
8372 * same address as 'methods'.
8374 emit_padding (acfg, 16);
8376 for (oindex = 0; oindex < acfg->method_order->len; ++oindex) {
8380 i = GPOINTER_TO_UINT (g_ptr_array_index (acfg->method_order, oindex));
8382 cfg = acfg->cfgs [i];
8387 method = cfg->orig_method;
8389 /* Emit unbox trampoline */
8390 if (mono_aot_mode_is_full (&acfg->aot_opts) && cfg->orig_method->klass->valuetype) {
8391 sprintf (symbol, "ut_%d", get_method_index (acfg, method));
8393 emit_section_change (acfg, ".text", 0);
8395 if (acfg->thumb_mixed && cfg->compile_llvm) {
8396 emit_set_thumb_mode (acfg);
8397 fprintf (acfg->fp, "\n.thumb_func\n");
8400 emit_label (acfg, symbol);
8402 arch_emit_unbox_trampoline (acfg, cfg, cfg->orig_method, cfg->asm_symbol);
8404 if (acfg->thumb_mixed && cfg->compile_llvm)
8405 emit_set_arm_mode (acfg);
8407 if (!saved_unbox_info) {
8408 char user_symbol [128];
8410 sprintf (user_symbol, "%sunbox_trampoline_p", acfg->user_symbol_prefix);
8412 emit_label (acfg, "ut_end");
8414 unwind_ops = mono_unwind_get_cie_program ();
8415 save_unwind_info (acfg, user_symbol, unwind_ops);
8416 mono_free_unwind_info (unwind_ops);
8418 /* Save the unbox trampoline size */
8419 emit_symbol_diff (acfg, "ut_end", symbol, 0);
8421 saved_unbox_info = TRUE;
8425 if (cfg->compile_llvm)
8426 acfg->stats.llvm_count ++;
8428 emit_method_code (acfg, cfg);
8431 emit_section_change (acfg, ".text", 0);
8432 emit_alignment_code (acfg, 8);
8433 emit_info_symbol (acfg, "jit_code_end");
8435 /* To distinguish it from the next symbol */
8436 emit_padding (acfg, 4);
8439 * Add .no_dead_strip directives for all LLVM methods to prevent the OSX linker
8440 * from optimizing them away, since it doesn't see that code_offsets references them.
8441 * JITted methods don't need this since they are referenced using assembler local
8443 * FIXME: This is why write-symbols doesn't work on OSX ?
8445 if (acfg->llvm && acfg->need_no_dead_strip) {
8446 fprintf (acfg->fp, "\n");
8447 for (i = 0; i < acfg->nmethods; ++i) {
8448 if (acfg->cfgs [i] && acfg->cfgs [i]->compile_llvm)
8449 fprintf (acfg->fp, ".no_dead_strip %s\n", acfg->cfgs [i]->asm_symbol);
8454 * To work around linker issues, we emit a table of branches, and disassemble them at runtime.
8455 * This is PIE code, and the linker can update it if needed.
8458 sprintf (symbol, "method_addresses");
8459 emit_section_change (acfg, ".text", 1);
8460 emit_alignment_code (acfg, 8);
8461 emit_info_symbol (acfg, symbol);
8462 emit_local_symbol (acfg, symbol, "method_addresses_end", TRUE);
8463 emit_unset_mode (acfg);
8464 if (acfg->need_no_dead_strip)
8465 fprintf (acfg->fp, " .no_dead_strip %s\n", symbol);
8467 for (i = 0; i < acfg->nmethods; ++i) {
8468 #ifdef MONO_ARCH_AOT_SUPPORTED
8471 if (acfg->cfgs [i]) {
8472 arch_emit_direct_call (acfg, acfg->cfgs [i]->asm_symbol, FALSE, acfg->thumb_mixed && acfg->cfgs [i]->compile_llvm, NULL, &call_size);
8474 arch_emit_direct_call (acfg, symbol, FALSE, FALSE, NULL, &call_size);
8479 sprintf (symbol, "method_addresses_end");
8480 emit_label (acfg, symbol);
8483 /* Emit a sorted table mapping methods to the index of their unbox trampolines */
8484 sprintf (symbol, "unbox_trampolines");
8485 emit_section_change (acfg, RODATA_SECT, 0);
8486 emit_alignment (acfg, 8);
8487 emit_info_symbol (acfg, symbol);
8490 for (i = 0; i < acfg->nmethods; ++i) {
8495 cfg = acfg->cfgs [i];
8499 method = cfg->orig_method;
8501 if (mono_aot_mode_is_full (&acfg->aot_opts) && cfg->orig_method->klass->valuetype) {
8502 index = get_method_index (acfg, method);
8504 emit_int32 (acfg, index);
8505 /* Make sure the table is sorted by index */
8506 g_assert (index > prev_index);
8510 sprintf (symbol, "unbox_trampolines_end");
8511 emit_info_symbol (acfg, symbol);
8512 emit_int32 (acfg, 0);
8514 /* Emit a separate table with the trampoline addresses/offsets */
8515 sprintf (symbol, "unbox_trampoline_addresses");
8516 emit_section_change (acfg, ".text", 0);
8517 emit_alignment_code (acfg, 8);
8518 emit_info_symbol (acfg, symbol);
8520 for (i = 0; i < acfg->nmethods; ++i) {
8525 cfg = acfg->cfgs [i];
8529 method = cfg->orig_method;
8531 if (mono_aot_mode_is_full (&acfg->aot_opts) && cfg->orig_method->klass->valuetype) {
8532 #ifdef MONO_ARCH_AOT_SUPPORTED
8535 index = get_method_index (acfg, method);
8536 sprintf (symbol, "ut_%d", index);
8538 arch_emit_direct_call (acfg, symbol, FALSE, acfg->thumb_mixed && cfg->compile_llvm, NULL, &call_size);
8542 emit_int32 (acfg, 0);
8546 emit_info (MonoAotCompile *acfg)
8551 offsets = g_new0 (gint32, acfg->nmethods);
8553 for (oindex = 0; oindex < acfg->method_order->len; ++oindex) {
8554 i = GPOINTER_TO_UINT (g_ptr_array_index (acfg->method_order, oindex));
8556 if (acfg->cfgs [i]) {
8557 emit_method_info (acfg, acfg->cfgs [i]);
8558 offsets [i] = acfg->cfgs [i]->method_info_offset;
8564 acfg->stats.offsets_size += emit_offset_table (acfg, "method_info_offsets", MONO_AOT_TABLE_METHOD_INFO_OFFSETS, acfg->nmethods, 10, offsets);
8569 #endif /* #if !defined(DISABLE_AOT) && !defined(DISABLE_JIT) */
8571 #define rot(x,k) (((x)<<(k)) | ((x)>>(32-(k))))
8572 #define mix(a,b,c) { \
8573 a -= c; a ^= rot(c, 4); c += b; \
8574 b -= a; b ^= rot(a, 6); a += c; \
8575 c -= b; c ^= rot(b, 8); b += a; \
8576 a -= c; a ^= rot(c,16); c += b; \
8577 b -= a; b ^= rot(a,19); a += c; \
8578 c -= b; c ^= rot(b, 4); b += a; \
8580 #define final(a,b,c) { \
8581 c ^= b; c -= rot(b,14); \
8582 a ^= c; a -= rot(c,11); \
8583 b ^= a; b -= rot(a,25); \
8584 c ^= b; c -= rot(b,16); \
8585 a ^= c; a -= rot(c,4); \
8586 b ^= a; b -= rot(a,14); \
8587 c ^= b; c -= rot(b,24); \
8591 mono_aot_type_hash (MonoType *t1)
8593 guint hash = t1->type;
8595 hash |= t1->byref << 6; /* do not collide with t1->type values */
8597 case MONO_TYPE_VALUETYPE:
8598 case MONO_TYPE_CLASS:
8599 case MONO_TYPE_SZARRAY:
8600 /* check if the distribution is good enough */
8601 return ((hash << 5) - hash) ^ mono_metadata_str_hash (t1->data.klass->name);
8603 return ((hash << 5) - hash) ^ mono_metadata_type_hash (t1->data.type);
8604 case MONO_TYPE_ARRAY:
8605 return ((hash << 5) - hash) ^ mono_metadata_type_hash (&t1->data.array->eklass->byval_arg);
8606 case MONO_TYPE_GENERICINST:
8607 return ((hash << 5) - hash) ^ 0;
8614 * mono_aot_method_hash:
8616 * Return a hash code for methods which only depends on metadata.
8619 mono_aot_method_hash (MonoMethod *method)
8621 MonoMethodSignature *sig;
8625 guint32 *hashes_start, *hashes;
8627 MonoGenericInst *class_ginst = NULL;
8628 MonoGenericInst *ginst = NULL;
8630 /* Similar to the hash in mono_method_get_imt_slot () */
8632 sig = mono_method_signature (method);
8634 if (mono_class_is_ginst (method->klass))
8635 class_ginst = mono_class_get_generic_class (method->klass)->context.class_inst;
8636 if (method->is_inflated)
8637 ginst = ((MonoMethodInflated*)method)->context.method_inst;
8639 hashes_count = sig->param_count + 5 + (class_ginst ? class_ginst->type_argc : 0) + (ginst ? ginst->type_argc : 0);
8640 hashes_start = (guint32 *)g_malloc0 (hashes_count * sizeof (guint32));
8641 hashes = hashes_start;
8643 /* Some wrappers are assigned to random classes */
8644 if (!method->wrapper_type || method->wrapper_type == MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK)
8645 klass = method->klass;
8647 klass = mono_defaults.object_class;
8649 if (!method->wrapper_type) {
8652 if (mono_class_is_ginst (klass))
8653 full_name = mono_type_full_name (&mono_class_get_generic_class (klass)->container_class->byval_arg);
8655 full_name = mono_type_full_name (&klass->byval_arg);
8657 hashes [0] = mono_metadata_str_hash (full_name);
8661 hashes [0] = mono_metadata_str_hash (klass->name);
8662 hashes [1] = mono_metadata_str_hash (klass->name_space);
8664 if (method->wrapper_type == MONO_WRAPPER_STFLD || method->wrapper_type == MONO_WRAPPER_LDFLD || method->wrapper_type == MONO_WRAPPER_LDFLDA)
8665 /* The method name includes a stringified pointer */
8668 hashes [2] = mono_metadata_str_hash (method->name);
8669 hashes [3] = method->wrapper_type;
8670 hashes [4] = mono_aot_type_hash (sig->ret);
8672 for (i = 0; i < sig->param_count; i++) {
8673 hashes [hindex ++] = mono_aot_type_hash (sig->params [i]);
8676 for (i = 0; i < class_ginst->type_argc; ++i)
8677 hashes [hindex ++] = mono_aot_type_hash (class_ginst->type_argv [i]);
8680 for (i = 0; i < ginst->type_argc; ++i)
8681 hashes [hindex ++] = mono_aot_type_hash (ginst->type_argv [i]);
8683 g_assert (hindex == hashes_count);
8685 /* Setup internal state */
8686 a = b = c = 0xdeadbeef + (((guint32)hashes_count)<<2);
8688 /* Handle most of the hashes */
8689 while (hashes_count > 3) {
8698 /* Handle the last 3 hashes (all the case statements fall through) */
8699 switch (hashes_count) {
8700 case 3 : c += hashes [2];
8701 case 2 : b += hashes [1];
8702 case 1 : a += hashes [0];
8704 case 0: /* nothing left to add */
8708 g_free (hashes_start);
8717 * mono_aot_get_array_helper_from_wrapper;
8719 * Get the helper method in Array called by an array wrapper method.
8722 mono_aot_get_array_helper_from_wrapper (MonoMethod *method)
8726 MonoGenericContext ctx;
8727 MonoType *args [16];
8728 char *mname, *iname, *s, *s2, *helper_name = NULL;
8730 prefix = "System.Collections.Generic";
8731 s = g_strdup_printf ("%s", method->name + strlen (prefix) + 1);
8732 s2 = strstr (s, "`1.");
8738 //printf ("X: %s %s\n", iname, mname);
8740 if (!strcmp (iname, "IList"))
8741 helper_name = g_strdup_printf ("InternalArray__%s", mname);
8743 helper_name = g_strdup_printf ("InternalArray__%s_%s", iname, mname);
8744 m = mono_class_get_method_from_name (mono_defaults.array_class, helper_name, mono_method_signature (method)->param_count);
8746 g_free (helper_name);
8749 if (m->is_generic) {
8751 memset (&ctx, 0, sizeof (ctx));
8752 args [0] = &method->klass->element_class->byval_arg;
8753 ctx.method_inst = mono_metadata_get_generic_inst (1, args);
8754 m = mono_class_inflate_generic_method_checked (m, &ctx, &error);
8755 g_assert (mono_error_ok (&error)); /* FIXME don't swallow the error */
8761 #if !defined(DISABLE_AOT) && !defined(DISABLE_JIT)
8763 typedef struct HashEntry {
8764 guint32 key, value, index;
8765 struct HashEntry *next;
8769 * emit_extra_methods:
8771 * Emit methods which are not in the METHOD table, like wrappers.
8774 emit_extra_methods (MonoAotCompile *acfg)
8776 int i, table_size, buf_size;
8778 guint32 *info_offsets;
8781 HashEntry *entry, *new_entry;
8782 int nmethods, max_chain_length;
8785 info_offsets = g_new0 (guint32, acfg->extra_methods->len);
8787 /* Emit method info */
8789 for (i = 0; i < acfg->extra_methods->len; ++i) {
8790 MonoMethod *method = (MonoMethod *)g_ptr_array_index (acfg->extra_methods, i);
8791 MonoCompile *cfg = (MonoCompile *)g_hash_table_lookup (acfg->method_to_cfg, method);
8797 p = buf = (guint8 *)g_malloc (buf_size);
8801 method = cfg->method_to_register;
8803 encode_method_ref (acfg, method, p, &p);
8805 g_assert ((p - buf) < buf_size);
8807 info_offsets [i] = add_to_blob (acfg, buf, p - buf);
8812 * Construct a chained hash table for mapping indexes in extra_method_info to
8815 table_size = g_spaced_primes_closest ((int)(nmethods * 1.5));
8816 table = g_ptr_array_sized_new (table_size);
8817 for (i = 0; i < table_size; ++i)
8818 g_ptr_array_add (table, NULL);
8819 chain_lengths = g_new0 (int, table_size);
8820 max_chain_length = 0;
8821 for (i = 0; i < acfg->extra_methods->len; ++i) {
8822 MonoMethod *method = (MonoMethod *)g_ptr_array_index (acfg->extra_methods, i);
8823 MonoCompile *cfg = (MonoCompile *)g_hash_table_lookup (acfg->method_to_cfg, method);
8829 key = info_offsets [i];
8830 value = get_method_index (acfg, method);
8832 hash = mono_aot_method_hash (method) % table_size;
8833 //printf ("X: %s %x\n", mono_method_get_full_name (method), mono_aot_method_hash (method));
8835 chain_lengths [hash] ++;
8836 max_chain_length = MAX (max_chain_length, chain_lengths [hash]);
8838 new_entry = (HashEntry *)mono_mempool_alloc0 (acfg->mempool, sizeof (HashEntry));
8839 new_entry->key = key;
8840 new_entry->value = value;
8842 entry = (HashEntry *)g_ptr_array_index (table, hash);
8843 if (entry == NULL) {
8844 new_entry->index = hash;
8845 g_ptr_array_index (table, hash) = new_entry;
8848 entry = entry->next;
8850 entry->next = new_entry;
8851 new_entry->index = table->len;
8852 g_ptr_array_add (table, new_entry);
8855 g_free (chain_lengths);
8857 //printf ("MAX: %d\n", max_chain_length);
8859 buf_size = table->len * 12 + 4;
8860 p = buf = (guint8 *)g_malloc (buf_size);
8861 encode_int (table_size, p, &p);
8863 for (i = 0; i < table->len; ++i) {
8864 HashEntry *entry = (HashEntry *)g_ptr_array_index (table, i);
8866 if (entry == NULL) {
8867 encode_int (0, p, &p);
8868 encode_int (0, p, &p);
8869 encode_int (0, p, &p);
8871 //g_assert (entry->key > 0);
8872 encode_int (entry->key, p, &p);
8873 encode_int (entry->value, p, &p);
8875 encode_int (entry->next->index, p, &p);
8877 encode_int (0, p, &p);
8880 g_assert (p - buf <= buf_size);
8882 /* Emit the table */
8883 emit_aot_data (acfg, MONO_AOT_TABLE_EXTRA_METHOD_TABLE, "extra_method_table", buf, p - buf);
8888 * Emit a table reverse mapping method indexes to their index in extra_method_info.
8889 * This is used by mono_aot_find_jit_info ().
8891 buf_size = acfg->extra_methods->len * 8 + 4;
8892 p = buf = (guint8 *)g_malloc (buf_size);
8893 encode_int (acfg->extra_methods->len, p, &p);
8894 for (i = 0; i < acfg->extra_methods->len; ++i) {
8895 MonoMethod *method = (MonoMethod *)g_ptr_array_index (acfg->extra_methods, i);
8897 encode_int (get_method_index (acfg, method), p, &p);
8898 encode_int (info_offsets [i], p, &p);
8900 emit_aot_data (acfg, MONO_AOT_TABLE_EXTRA_METHOD_INFO_OFFSETS, "extra_method_info_offsets", buf, p - buf);
8903 g_free (info_offsets);
8904 g_ptr_array_free (table, TRUE);
8908 generate_aotid (guint8* aotid)
8910 gpointer rand_handle;
8914 rand_handle = mono_rand_init (NULL, 0);
8916 mono_rand_try_get_bytes (&rand_handle, aotid, 16, &error);
8917 mono_error_assert_ok (&error);
8919 mono_rand_close (rand_handle);
8923 emit_exception_info (MonoAotCompile *acfg)
8927 SeqPointData sp_data;
8928 gboolean seq_points_to_file = FALSE;
8930 offsets = g_new0 (gint32, acfg->nmethods);
8931 for (i = 0; i < acfg->nmethods; ++i) {
8932 if (acfg->cfgs [i]) {
8933 MonoCompile *cfg = acfg->cfgs [i];
8935 // By design aot-runtime decode_exception_debug_info is not able to load sequence point debug data from a file.
8936 // As it is not possible to load debug data from a file its is also not possible to store it in a file.
8937 gboolean method_seq_points_to_file = acfg->aot_opts.gen_msym_dir &&
8938 cfg->gen_seq_points && !cfg->gen_sdb_seq_points;
8939 gboolean method_seq_points_to_binary = cfg->gen_seq_points && !method_seq_points_to_file;
8941 emit_exception_debug_info (acfg, cfg, method_seq_points_to_binary);
8942 offsets [i] = cfg->ex_info_offset;
8944 if (method_seq_points_to_file) {
8945 if (!seq_points_to_file) {
8946 mono_seq_point_data_init (&sp_data, acfg->nmethods);
8947 seq_points_to_file = TRUE;
8949 mono_seq_point_data_add (&sp_data, cfg->method->token, cfg->method_index, cfg->seq_point_info);
8956 if (seq_points_to_file) {
8957 char *aotid = mono_guid_to_string_minimal (acfg->image->aotid);
8958 char *dir = g_build_filename (acfg->aot_opts.gen_msym_dir_path, aotid, NULL);
8959 char *image_basename = g_path_get_basename (acfg->image->name);
8960 char *aot_file = g_strdup_printf("%s%s", image_basename, SEQ_POINT_AOT_EXT);
8961 char *aot_file_path = g_build_filename (dir, aot_file, NULL);
8963 if (g_ensure_directory_exists (aot_file_path) == FALSE) {
8964 fprintf (stderr, "AOT : failed to create msym directory: %s\n", aot_file_path);
8968 mono_seq_point_data_write (&sp_data, aot_file_path);
8969 mono_seq_point_data_free (&sp_data);
8973 g_free (image_basename);
8975 g_free (aot_file_path);
8978 acfg->stats.offsets_size += emit_offset_table (acfg, "ex_info_offsets", MONO_AOT_TABLE_EX_INFO_OFFSETS, acfg->nmethods, 10, offsets);
8983 emit_unwind_info (MonoAotCompile *acfg)
8988 if (acfg->aot_opts.llvm_only) {
8989 g_assert (acfg->unwind_ops->len == 0);
8994 * The unwind info contains a lot of duplicates so we emit each unique
8995 * entry once, and only store the offset from the start of the table in the
8999 sprintf (symbol, "unwind_info");
9000 emit_section_change (acfg, RODATA_SECT, 1);
9001 emit_alignment (acfg, 8);
9002 emit_info_symbol (acfg, symbol);
9004 for (i = 0; i < acfg->unwind_ops->len; ++i) {
9005 guint32 index = GPOINTER_TO_UINT (g_ptr_array_index (acfg->unwind_ops, i));
9006 guint8 *unwind_info;
9007 guint32 unwind_info_len;
9011 unwind_info = mono_get_cached_unwind_info (index, &unwind_info_len);
9014 encode_value (unwind_info_len, p, &p);
9015 emit_bytes (acfg, buf, p - buf);
9016 emit_bytes (acfg, unwind_info, unwind_info_len);
9018 acfg->stats.unwind_info_size += (p - buf) + unwind_info_len;
9023 emit_class_info (MonoAotCompile *acfg)
9028 offsets = g_new0 (gint32, acfg->image->tables [MONO_TABLE_TYPEDEF].rows);
9029 for (i = 0; i < acfg->image->tables [MONO_TABLE_TYPEDEF].rows; ++i)
9030 offsets [i] = emit_klass_info (acfg, MONO_TOKEN_TYPE_DEF | (i + 1));
9032 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);
9036 typedef struct ClassNameTableEntry {
9037 guint32 token, index;
9038 struct ClassNameTableEntry *next;
9039 } ClassNameTableEntry;
9042 emit_class_name_table (MonoAotCompile *acfg)
9044 int i, table_size, buf_size;
9045 guint32 token, hash;
9050 ClassNameTableEntry *entry, *new_entry;
9053 * Construct a chained hash table for mapping class names to typedef tokens.
9055 table_size = g_spaced_primes_closest ((int)(acfg->image->tables [MONO_TABLE_TYPEDEF].rows * 1.5));
9056 table = g_ptr_array_sized_new (table_size);
9057 for (i = 0; i < table_size; ++i)
9058 g_ptr_array_add (table, NULL);
9059 for (i = 0; i < acfg->image->tables [MONO_TABLE_TYPEDEF].rows; ++i) {
9061 token = MONO_TOKEN_TYPE_DEF | (i + 1);
9062 klass = mono_class_get_checked (acfg->image, token, &error);
9064 mono_error_cleanup (&error);
9067 full_name = mono_type_get_name_full (mono_class_get_type (klass), MONO_TYPE_NAME_FORMAT_FULL_NAME);
9068 hash = mono_metadata_str_hash (full_name) % table_size;
9071 /* FIXME: Allocate from the mempool */
9072 new_entry = g_new0 (ClassNameTableEntry, 1);
9073 new_entry->token = token;
9075 entry = (ClassNameTableEntry *)g_ptr_array_index (table, hash);
9076 if (entry == NULL) {
9077 new_entry->index = hash;
9078 g_ptr_array_index (table, hash) = new_entry;
9081 entry = entry->next;
9083 entry->next = new_entry;
9084 new_entry->index = table->len;
9085 g_ptr_array_add (table, new_entry);
9089 /* Emit the table */
9090 buf_size = table->len * 4 + 4;
9091 p = buf = (guint8 *)g_malloc0 (buf_size);
9093 /* FIXME: Optimize memory usage */
9094 g_assert (table_size < 65000);
9095 encode_int16 (table_size, p, &p);
9096 g_assert (table->len < 65000);
9097 for (i = 0; i < table->len; ++i) {
9098 ClassNameTableEntry *entry = (ClassNameTableEntry *)g_ptr_array_index (table, i);
9100 if (entry == NULL) {
9101 encode_int16 (0, p, &p);
9102 encode_int16 (0, p, &p);
9104 encode_int16 (mono_metadata_token_index (entry->token), p, &p);
9106 encode_int16 (entry->next->index, p, &p);
9108 encode_int16 (0, p, &p);
9112 g_assert (p - buf <= buf_size);
9113 g_ptr_array_free (table, TRUE);
9115 emit_aot_data (acfg, MONO_AOT_TABLE_CLASS_NAME, "class_name_table", buf, p - buf);
9121 emit_image_table (MonoAotCompile *acfg)
9127 * The image table is small but referenced in a lot of places.
9128 * So we emit it at once, and reference its elements by an index.
9130 buf_size = acfg->image_table->len * 28 + 4;
9131 for (i = 0; i < acfg->image_table->len; i++) {
9132 MonoImage *image = (MonoImage*)g_ptr_array_index (acfg->image_table, i);
9133 MonoAssemblyName *aname = &image->assembly->aname;
9135 buf_size += strlen (image->assembly_name) + strlen (image->guid) + (aname->culture ? strlen (aname->culture) : 1) + strlen ((char*)aname->public_key_token) + 4;
9138 buf = p = (guint8 *)g_malloc0 (buf_size);
9139 encode_int (acfg->image_table->len, p, &p);
9140 for (i = 0; i < acfg->image_table->len; i++) {
9141 MonoImage *image = (MonoImage*)g_ptr_array_index (acfg->image_table, i);
9142 MonoAssemblyName *aname = &image->assembly->aname;
9144 /* FIXME: Support multi-module assemblies */
9145 g_assert (image->assembly->image == image);
9147 encode_string (image->assembly_name, p, &p);
9148 encode_string (image->guid, p, &p);
9149 encode_string (aname->culture ? aname->culture : "", p, &p);
9150 encode_string ((const char*)aname->public_key_token, p, &p);
9152 while (GPOINTER_TO_UINT (p) % 8 != 0)
9155 encode_int (aname->flags, p, &p);
9156 encode_int (aname->major, p, &p);
9157 encode_int (aname->minor, p, &p);
9158 encode_int (aname->build, p, &p);
9159 encode_int (aname->revision, p, &p);
9161 g_assert (p - buf <= buf_size);
9163 emit_aot_data (acfg, MONO_AOT_TABLE_IMAGE_TABLE, "image_table", buf, p - buf);
9169 emit_got_info (MonoAotCompile *acfg, gboolean llvm)
9171 int i, first_plt_got_patch = 0, buf_size;
9173 guint32 *got_info_offsets;
9174 GotInfo *info = llvm ? &acfg->llvm_got_info : &acfg->got_info;
9176 /* Add the patches needed by the PLT to the GOT */
9178 acfg->plt_got_offset_base = acfg->got_offset;
9179 first_plt_got_patch = info->got_patches->len;
9180 for (i = 1; i < acfg->plt_offset; ++i) {
9181 MonoPltEntry *plt_entry = (MonoPltEntry *)g_hash_table_lookup (acfg->plt_offset_to_entry, GUINT_TO_POINTER (i));
9183 g_ptr_array_add (info->got_patches, plt_entry->ji);
9185 acfg->stats.got_slot_types [plt_entry->ji->type] ++;
9188 acfg->got_offset += acfg->plt_offset;
9193 * - optimize offsets table.
9194 * - reduce number of exported symbols.
9195 * - emit info for a klass only once.
9196 * - determine when a method uses a GOT slot which is guaranteed to be already
9198 * - clean up and document the code.
9199 * - use String.Empty in class libs.
9202 /* Encode info required to decode shared GOT entries */
9203 buf_size = info->got_patches->len * 128;
9204 p = buf = (guint8 *)mono_mempool_alloc (acfg->mempool, buf_size);
9205 got_info_offsets = (guint32 *)mono_mempool_alloc (acfg->mempool, info->got_patches->len * sizeof (guint32));
9207 acfg->plt_got_info_offsets = (guint32 *)mono_mempool_alloc (acfg->mempool, acfg->plt_offset * sizeof (guint32));
9209 if (acfg->plt_offset)
9210 acfg->plt_got_info_offsets [0] = 0;
9212 for (i = 0; i < info->got_patches->len; ++i) {
9213 MonoJumpInfo *ji = (MonoJumpInfo *)g_ptr_array_index (info->got_patches, i);
9218 encode_value (ji->type, p, &p);
9220 encode_patch (acfg, ji, p, &p);
9221 acfg->stats.got_slot_info_sizes [ji->type] += p - p2;
9222 g_assert (p - buf <= buf_size);
9223 got_info_offsets [i] = add_to_blob (acfg, buf, p - buf);
9225 if (!llvm && i >= first_plt_got_patch)
9226 acfg->plt_got_info_offsets [i - first_plt_got_patch + 1] = got_info_offsets [i];
9227 acfg->stats.got_info_size += p - buf;
9230 /* Emit got_info_offsets table */
9232 /* No need to emit offsets for the got plt entries, the plt embeds them directly */
9233 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);
9237 emit_got (MonoAotCompile *acfg)
9239 char symbol [MAX_SYMBOL_SIZE];
9241 if (acfg->aot_opts.llvm_only)
9244 /* Don't make GOT global so accesses to it don't need relocations */
9245 sprintf (symbol, "%s", acfg->got_symbol);
9248 emit_unset_mode (acfg);
9249 fprintf (acfg->fp, ".section __DATA, __bss\n");
9250 emit_alignment (acfg, 8);
9252 emit_info_symbol (acfg, "jit_got");
9253 fprintf (acfg->fp, ".lcomm %s, %d\n", acfg->got_symbol, (int)(acfg->got_offset * sizeof (gpointer)));
9255 emit_section_change (acfg, ".bss", 0);
9256 emit_alignment (acfg, 8);
9257 emit_local_symbol (acfg, symbol, "got_end", FALSE);
9258 emit_label (acfg, symbol);
9260 emit_info_symbol (acfg, "jit_got");
9261 if (acfg->got_offset > 0)
9262 emit_zero_bytes (acfg, (int)(acfg->got_offset * sizeof (gpointer)));
9265 sprintf (symbol, "got_end");
9266 emit_label (acfg, symbol);
9269 typedef struct GlobalsTableEntry {
9270 guint32 value, index;
9271 struct GlobalsTableEntry *next;
9272 } GlobalsTableEntry;
9275 emit_globals (MonoAotCompile *acfg)
9281 GlobalsTableEntry *entry, *new_entry;
9283 if (!acfg->aot_opts.static_link)
9285 if (acfg->aot_opts.llvm_only) {
9286 g_assert (acfg->globals->len == 0);
9291 * When static linking, we emit a table containing our globals.
9295 * Construct a chained hash table for mapping global names to their index in
9296 * the globals table.
9298 table_size = g_spaced_primes_closest ((int)(acfg->globals->len * 1.5));
9299 table = g_ptr_array_sized_new (table_size);
9300 for (i = 0; i < table_size; ++i)
9301 g_ptr_array_add (table, NULL);
9302 for (i = 0; i < acfg->globals->len; ++i) {
9303 char *name = (char *)g_ptr_array_index (acfg->globals, i);
9305 hash = mono_metadata_str_hash (name) % table_size;
9307 /* FIXME: Allocate from the mempool */
9308 new_entry = g_new0 (GlobalsTableEntry, 1);
9309 new_entry->value = i;
9311 entry = (GlobalsTableEntry *)g_ptr_array_index (table, hash);
9312 if (entry == NULL) {
9313 new_entry->index = hash;
9314 g_ptr_array_index (table, hash) = new_entry;
9317 entry = entry->next;
9319 entry->next = new_entry;
9320 new_entry->index = table->len;
9321 g_ptr_array_add (table, new_entry);
9325 /* Emit the table */
9326 sprintf (symbol, ".Lglobals_hash");
9327 emit_section_change (acfg, RODATA_SECT, 0);
9328 emit_alignment (acfg, 8);
9329 emit_label (acfg, symbol);
9331 /* FIXME: Optimize memory usage */
9332 g_assert (table_size < 65000);
9333 emit_int16 (acfg, table_size);
9334 for (i = 0; i < table->len; ++i) {
9335 GlobalsTableEntry *entry = (GlobalsTableEntry *)g_ptr_array_index (table, i);
9337 if (entry == NULL) {
9338 emit_int16 (acfg, 0);
9339 emit_int16 (acfg, 0);
9341 emit_int16 (acfg, entry->value + 1);
9343 emit_int16 (acfg, entry->next->index);
9345 emit_int16 (acfg, 0);
9349 /* Emit the names */
9350 for (i = 0; i < acfg->globals->len; ++i) {
9351 char *name = (char *)g_ptr_array_index (acfg->globals, i);
9353 sprintf (symbol, "name_%d", i);
9354 emit_section_change (acfg, RODATA_SECT, 1);
9356 emit_alignment (acfg, 4);
9358 emit_label (acfg, symbol);
9359 emit_string (acfg, name);
9362 /* Emit the globals table */
9363 sprintf (symbol, "globals");
9364 emit_section_change (acfg, ".data", 0);
9365 /* This is not a global, since it is accessed by the init function */
9366 emit_alignment (acfg, 8);
9367 emit_info_symbol (acfg, symbol);
9369 sprintf (symbol, "%sglobals_hash", acfg->temp_prefix);
9370 emit_pointer (acfg, symbol);
9372 for (i = 0; i < acfg->globals->len; ++i) {
9373 char *name = (char *)g_ptr_array_index (acfg->globals, i);
9375 sprintf (symbol, "name_%d", i);
9376 emit_pointer (acfg, symbol);
9378 g_assert (strlen (name) < sizeof (symbol));
9379 sprintf (symbol, "%s", name);
9380 emit_pointer (acfg, symbol);
9382 /* Null terminate the table */
9383 emit_int32 (acfg, 0);
9384 emit_int32 (acfg, 0);
9388 emit_mem_end (MonoAotCompile *acfg)
9392 if (acfg->aot_opts.llvm_only)
9395 sprintf (symbol, "mem_end");
9396 emit_section_change (acfg, ".text", 1);
9397 emit_alignment_code (acfg, 8);
9398 emit_label (acfg, symbol);
9402 init_aot_file_info (MonoAotCompile *acfg, MonoAotFileInfo *info)
9406 info->version = MONO_AOT_FILE_VERSION;
9407 info->plt_got_offset_base = acfg->plt_got_offset_base;
9408 info->got_size = acfg->got_offset * sizeof (gpointer);
9409 info->plt_size = acfg->plt_offset;
9410 info->nmethods = acfg->nmethods;
9411 info->flags = acfg->flags;
9412 info->opts = acfg->opts;
9413 info->simd_opts = acfg->simd_opts;
9414 info->gc_name_index = acfg->gc_name_offset;
9415 info->datafile_size = acfg->datafile_offset;
9416 for (i = 0; i < MONO_AOT_TABLE_NUM; ++i)
9417 info->table_offsets [i] = acfg->table_offsets [i];
9418 for (i = 0; i < MONO_AOT_TRAMP_NUM; ++i)
9419 info->num_trampolines [i] = acfg->num_trampolines [i];
9420 for (i = 0; i < MONO_AOT_TRAMP_NUM; ++i)
9421 info->trampoline_got_offset_base [i] = acfg->trampoline_got_offset_base [i];
9422 for (i = 0; i < MONO_AOT_TRAMP_NUM; ++i)
9423 info->trampoline_size [i] = acfg->trampoline_size [i];
9424 info->num_rgctx_fetch_trampolines = acfg->aot_opts.nrgctx_fetch_trampolines;
9426 info->double_align = MONO_ABI_ALIGNOF (double);
9427 info->long_align = MONO_ABI_ALIGNOF (gint64);
9428 info->generic_tramp_num = MONO_TRAMPOLINE_NUM;
9429 info->tramp_page_size = acfg->tramp_page_size;
9430 info->nshared_got_entries = acfg->nshared_got_entries;
9431 for (i = 0; i < MONO_AOT_TRAMP_NUM; ++i)
9432 info->tramp_page_code_offsets [i] = acfg->tramp_page_code_offsets [i];
9434 memcpy(&info->aotid, acfg->image->aotid, 16);
9438 emit_aot_file_info (MonoAotCompile *acfg, MonoAotFileInfo *info)
9440 char symbol [MAX_SYMBOL_SIZE];
9442 const char **symbols;
9444 symbols = g_new0 (const char *, MONO_AOT_FILE_INFO_NUM_SYMBOLS);
9446 symbols [sindex ++] = acfg->got_symbol;
9448 symbols [sindex ++] = g_strdup_printf ("%s%s", acfg->user_symbol_prefix, acfg->llvm_got_symbol);
9449 symbols [sindex ++] = acfg->llvm_eh_frame_symbol;
9451 symbols [sindex ++] = NULL;
9452 symbols [sindex ++] = NULL;
9454 /* llvm_get_method */
9455 symbols [sindex ++] = NULL;
9456 /* llvm_get_unbox_tramp */
9457 symbols [sindex ++] = NULL;
9458 if (!acfg->aot_opts.llvm_only) {
9459 symbols [sindex ++] = "jit_code_start";
9460 symbols [sindex ++] = "jit_code_end";
9461 symbols [sindex ++] = "method_addresses";
9463 symbols [sindex ++] = NULL;
9464 symbols [sindex ++] = NULL;
9465 symbols [sindex ++] = NULL;
9467 if (acfg->data_outfile) {
9468 for (i = 0; i < MONO_AOT_TABLE_NUM; ++i)
9469 symbols [sindex ++] = NULL;
9471 symbols [sindex ++] = "blob";
9472 symbols [sindex ++] = "class_name_table";
9473 symbols [sindex ++] = "class_info_offsets";
9474 symbols [sindex ++] = "method_info_offsets";
9475 symbols [sindex ++] = "ex_info_offsets";
9476 symbols [sindex ++] = "extra_method_info_offsets";
9477 symbols [sindex ++] = "extra_method_table";
9478 symbols [sindex ++] = "got_info_offsets";
9480 symbols [sindex ++] = "llvm_got_info_offsets";
9482 symbols [sindex ++] = NULL;
9483 symbols [sindex ++] = "image_table";
9485 symbols [sindex ++] = "mem_end";
9486 symbols [sindex ++] = "assembly_guid";
9487 symbols [sindex ++] = "runtime_version";
9488 if (acfg->num_trampoline_got_entries) {
9489 symbols [sindex ++] = "specific_trampolines";
9490 symbols [sindex ++] = "static_rgctx_trampolines";
9491 symbols [sindex ++] = "imt_trampolines";
9492 symbols [sindex ++] = "gsharedvt_arg_trampolines";
9494 symbols [sindex ++] = NULL;
9495 symbols [sindex ++] = NULL;
9496 symbols [sindex ++] = NULL;
9497 symbols [sindex ++] = NULL;
9499 if (acfg->aot_opts.static_link) {
9500 symbols [sindex ++] = "globals";
9502 symbols [sindex ++] = NULL;
9504 symbols [sindex ++] = "assembly_name";
9505 symbols [sindex ++] = "plt";
9506 symbols [sindex ++] = "plt_end";
9507 symbols [sindex ++] = "unwind_info";
9508 if (!acfg->aot_opts.llvm_only) {
9509 symbols [sindex ++] = "unbox_trampolines";
9510 symbols [sindex ++] = "unbox_trampolines_end";
9511 symbols [sindex ++] = "unbox_trampoline_addresses";
9513 symbols [sindex ++] = NULL;
9514 symbols [sindex ++] = NULL;
9515 symbols [sindex ++] = NULL;
9518 g_assert (sindex == MONO_AOT_FILE_INFO_NUM_SYMBOLS);
9520 sprintf (symbol, "%smono_aot_file_info", acfg->user_symbol_prefix);
9521 emit_section_change (acfg, ".data", 0);
9522 emit_alignment (acfg, 8);
9523 emit_label (acfg, symbol);
9524 if (!acfg->aot_opts.static_link)
9525 emit_global (acfg, symbol, FALSE);
9527 /* The data emitted here must match MonoAotFileInfo. */
9529 emit_int32 (acfg, info->version);
9530 emit_int32 (acfg, info->dummy);
9533 * We emit pointers to our data structures instead of emitting global symbols which
9534 * point to them, to reduce the number of globals, and because using globals leads to
9535 * various problems (i.e. arm/thumb).
9537 for (i = 0; i < MONO_AOT_FILE_INFO_NUM_SYMBOLS; ++i)
9538 emit_pointer (acfg, symbols [i]);
9540 emit_int32 (acfg, info->plt_got_offset_base);
9541 emit_int32 (acfg, info->got_size);
9542 emit_int32 (acfg, info->plt_size);
9543 emit_int32 (acfg, info->nmethods);
9544 emit_int32 (acfg, info->flags);
9545 emit_int32 (acfg, info->opts);
9546 emit_int32 (acfg, info->simd_opts);
9547 emit_int32 (acfg, info->gc_name_index);
9548 emit_int32 (acfg, info->num_rgctx_fetch_trampolines);
9549 emit_int32 (acfg, info->double_align);
9550 emit_int32 (acfg, info->long_align);
9551 emit_int32 (acfg, info->generic_tramp_num);
9552 emit_int32 (acfg, info->tramp_page_size);
9553 emit_int32 (acfg, info->nshared_got_entries);
9554 emit_int32 (acfg, info->datafile_size);
9556 for (i = 0; i < MONO_AOT_TABLE_NUM; ++i)
9557 emit_int32 (acfg, info->table_offsets [i]);
9558 for (i = 0; i < MONO_AOT_TRAMP_NUM; ++i)
9559 emit_int32 (acfg, info->num_trampolines [i]);
9560 for (i = 0; i < MONO_AOT_TRAMP_NUM; ++i)
9561 emit_int32 (acfg, info->trampoline_got_offset_base [i]);
9562 for (i = 0; i < MONO_AOT_TRAMP_NUM; ++i)
9563 emit_int32 (acfg, info->trampoline_size [i]);
9564 for (i = 0; i < MONO_AOT_TRAMP_NUM; ++i)
9565 emit_int32 (acfg, info->tramp_page_code_offsets [i]);
9567 emit_bytes (acfg, info->aotid, 16);
9569 if (acfg->aot_opts.static_link) {
9570 emit_global_inner (acfg, acfg->static_linking_symbol, FALSE);
9571 emit_alignment (acfg, sizeof (gpointer));
9572 emit_label (acfg, acfg->static_linking_symbol);
9573 emit_pointer_2 (acfg, acfg->user_symbol_prefix, "mono_aot_file_info");
9578 * Emit a structure containing all the information not stored elsewhere.
9581 emit_file_info (MonoAotCompile *acfg)
9584 MonoAotFileInfo *info;
9586 if (acfg->aot_opts.bind_to_runtime_version) {
9587 build_info = mono_get_runtime_build_info ();
9588 emit_string_symbol (acfg, "runtime_version", build_info);
9589 g_free (build_info);
9591 emit_string_symbol (acfg, "runtime_version", "");
9594 emit_string_symbol (acfg, "assembly_guid" , acfg->image->guid);
9596 /* Emit a string holding the assembly name */
9597 emit_string_symbol (acfg, "assembly_name", acfg->image->assembly->aname.name);
9599 info = g_new0 (MonoAotFileInfo, 1);
9600 init_aot_file_info (acfg, info);
9602 if (acfg->aot_opts.static_link) {
9603 char symbol [MAX_SYMBOL_SIZE];
9607 * Emit a global symbol which can be passed by an embedding app to
9608 * mono_aot_register_module (). The symbol points to a pointer to the the file info
9611 sprintf (symbol, "%smono_aot_module_%s_info", acfg->user_symbol_prefix, acfg->image->assembly->aname.name);
9613 /* Get rid of characters which cannot occur in symbols */
9615 for (p = symbol; *p; ++p) {
9616 if (!(isalnum (*p) || *p == '_'))
9619 acfg->static_linking_symbol = g_strdup (symbol);
9623 mono_llvm_emit_aot_file_info (info, acfg->has_jitted_code);
9625 emit_aot_file_info (acfg, info);
9629 emit_blob (MonoAotCompile *acfg)
9631 acfg->blob_closed = TRUE;
9633 emit_aot_data (acfg, MONO_AOT_TABLE_BLOB, "blob", (guint8*)acfg->blob.data, acfg->blob.index);
9637 emit_objc_selectors (MonoAotCompile *acfg)
9642 if (!acfg->objc_selectors || acfg->objc_selectors->len == 0)
9647 * cat > foo.m << EOF
9650 * return @selector(print:);
9655 mono_img_writer_emit_unset_mode (acfg->w);
9656 g_assert (acfg->fp);
9657 fprintf (acfg->fp, ".section __DATA,__objc_selrefs,literal_pointers,no_dead_strip\n");
9658 fprintf (acfg->fp, ".align 3\n");
9659 for (i = 0; i < acfg->objc_selectors->len; ++i) {
9660 sprintf (symbol, "L_OBJC_SELECTOR_REFERENCES_%d", i);
9661 emit_label (acfg, symbol);
9662 sprintf (symbol, "L_OBJC_METH_VAR_NAME_%d", i);
9663 emit_pointer (acfg, symbol);
9666 fprintf (acfg->fp, ".section __TEXT,__cstring,cstring_literals\n");
9667 for (i = 0; i < acfg->objc_selectors->len; ++i) {
9668 fprintf (acfg->fp, "L_OBJC_METH_VAR_NAME_%d:\n", i);
9669 fprintf (acfg->fp, ".asciz \"%s\"\n", (char*)g_ptr_array_index (acfg->objc_selectors, i));
9672 fprintf (acfg->fp, ".section __DATA,__objc_imageinfo,regular,no_dead_strip\n");
9673 fprintf (acfg->fp, ".align 3\n");
9674 fprintf (acfg->fp, "L_OBJC_IMAGE_INFO:\n");
9675 fprintf (acfg->fp, ".long 0\n");
9676 fprintf (acfg->fp, ".long 16\n");
9680 emit_dwarf_info (MonoAotCompile *acfg)
9682 #ifdef EMIT_DWARF_INFO
9686 /* DIEs for methods */
9687 for (i = 0; i < acfg->nmethods; ++i) {
9688 MonoCompile *cfg = acfg->cfgs [i];
9693 // FIXME: LLVM doesn't define .Lme_...
9694 if (cfg->compile_llvm)
9697 sprintf (symbol2, "%sme_%x", acfg->temp_prefix, i);
9699 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 ()));
9705 collect_methods (MonoAotCompile *acfg)
9708 MonoImage *image = acfg->image;
9710 /* Collect methods */
9711 for (i = 0; i < image->tables [MONO_TABLE_METHOD].rows; ++i) {
9714 guint32 token = MONO_TOKEN_METHOD_DEF | (i + 1);
9716 method = mono_get_method_checked (acfg->image, token, NULL, NULL, &error);
9719 aot_printerrf (acfg, "Failed to load method 0x%x from '%s' due to %s.\n", token, image->name, mono_error_get_message (&error));
9720 aot_printerrf (acfg, "Run with MONO_LOG_LEVEL=debug for more information.\n");
9721 mono_error_cleanup (&error);
9725 /* Load all methods eagerly to skip the slower lazy loading code */
9726 mono_class_setup_methods (method->klass);
9728 if (mono_aot_mode_is_full (&acfg->aot_opts) && method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) {
9729 /* Compile the wrapper instead */
9730 /* We do this here instead of add_wrappers () because it is easy to do it here */
9731 MonoMethod *wrapper = mono_marshal_get_native_wrapper (method, TRUE, TRUE);
9735 /* FIXME: Some mscorlib methods don't have debug info */
9737 if (acfg->aot_opts.soft_debug && !method->wrapper_type) {
9738 if (!((method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL) ||
9739 (method->iflags & METHOD_IMPL_ATTRIBUTE_RUNTIME) ||
9740 (method->flags & METHOD_ATTRIBUTE_ABSTRACT) ||
9741 (method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL))) {
9742 if (!mono_debug_lookup_method (method)) {
9743 fprintf (stderr, "Method %s has no debug info, probably the .mdb file for the assembly is missing.\n", mono_method_get_full_name (method));
9750 if (method->is_generic || mono_class_is_gtd (method->klass))
9751 /* Compile the ref shared version instead */
9752 method = mini_get_shared_method (method);
9754 /* Since we add the normal methods first, their index will be equal to their zero based token index */
9755 add_method_with_index (acfg, method, i, FALSE);
9756 acfg->method_index ++;
9759 /* gsharedvt methods */
9760 for (mindex = 0; mindex < image->tables [MONO_TABLE_METHOD].rows; ++mindex) {
9763 guint32 token = MONO_TOKEN_METHOD_DEF | (mindex + 1);
9765 if (!(acfg->opts & MONO_OPT_GSHAREDVT))
9768 method = mono_get_method_checked (acfg->image, token, NULL, NULL, &error);
9769 report_loader_error (acfg, &error, "Failed to load method token 0x%x due to %s\n", i, mono_error_get_message (&error));
9771 if (method->is_generic || mono_class_is_gtd (method->klass)) {
9772 MonoMethod *gshared;
9774 gshared = mini_get_shared_method_full (method, TRUE, TRUE);
9775 add_extra_method (acfg, gshared);
9779 add_generic_instances (acfg);
9781 if (mono_aot_mode_is_full (&acfg->aot_opts))
9782 add_wrappers (acfg);
9787 compile_methods (MonoAotCompile *acfg)
9791 if (acfg->aot_opts.nthreads > 0) {
9795 MonoThreadHandle *thread_handle;
9796 gpointer *user_data;
9797 MonoMethod **methods;
9799 methods_len = acfg->methods->len;
9801 len = acfg->methods->len / acfg->aot_opts.nthreads;
9804 * Partition the list of methods into fragments, and hand it to threads to
9807 threads = g_ptr_array_new ();
9808 /* Make a copy since acfg->methods is modified by compile_method () */
9809 methods = g_new0 (MonoMethod*, methods_len);
9810 //memcpy (methods, g_ptr_array_index (acfg->methods, 0), sizeof (MonoMethod*) * methods_len);
9811 for (i = 0; i < methods_len; ++i)
9812 methods [i] = (MonoMethod *)g_ptr_array_index (acfg->methods, i);
9814 while (i < methods_len) {
9815 frag = g_ptr_array_new ();
9816 for (j = 0; j < len; ++j) {
9817 if (i < methods_len) {
9818 g_ptr_array_add (frag, methods [i]);
9823 user_data = g_new0 (gpointer, 3);
9824 user_data [0] = mono_domain_get ();
9825 user_data [1] = acfg;
9826 user_data [2] = frag;
9828 thread_handle = mono_threads_create_thread (compile_thread_main, (gpointer) user_data, NULL, NULL);
9829 g_ptr_array_add (threads, thread_handle);
9833 for (i = 0; i < threads->len; ++i) {
9834 mono_thread_info_wait_one_handle (g_ptr_array_index (threads, i), INFINITE, FALSE);
9835 mono_threads_close_thread_handle (g_ptr_array_index (threads, i));
9841 /* Compile methods added by compile_method () or all methods if nthreads == 0 */
9842 for (i = methods_len; i < acfg->methods->len; ++i) {
9843 /* This can new methods to acfg->methods */
9844 compile_method (acfg, (MonoMethod *)g_ptr_array_index (acfg->methods, i));
9849 compile_asm (MonoAotCompile *acfg)
9851 char *command, *objfile;
9852 char *outfile_name, *tmp_outfile_name, *llvm_ofile;
9853 const char *tool_prefix = acfg->aot_opts.tool_prefix ? acfg->aot_opts.tool_prefix : "";
9854 char *ld_flags = acfg->aot_opts.ld_flags ? acfg->aot_opts.ld_flags : g_strdup("");
9856 #if defined(TARGET_AMD64) && !defined(TARGET_MACH)
9857 #define AS_OPTIONS "--64"
9858 #elif defined(TARGET_POWERPC64)
9859 #define AS_OPTIONS "-a64 -mppc64"
9860 #elif defined(sparc) && SIZEOF_VOID_P == 8
9861 #define AS_OPTIONS "-xarch=v9"
9862 #elif defined(TARGET_X86) && defined(TARGET_MACH) && !defined(__native_client_codegen__)
9863 #define AS_OPTIONS "-arch i386"
9865 #define AS_OPTIONS ""
9868 #ifdef __native_client_codegen__
9869 #if defined(TARGET_AMD64)
9870 #define AS_NAME "nacl64-as"
9872 #define AS_NAME "nacl-as"
9874 #elif defined(TARGET_OSX)
9875 #define AS_NAME "clang"
9877 #define AS_NAME "as"
9881 #define LD_NAME "ld"
9882 #define LD_OPTIONS "-shared -G"
9883 #elif defined(__ppc__) && defined(TARGET_MACH)
9884 #define LD_NAME "gcc"
9885 #define LD_OPTIONS "-dynamiclib"
9886 #elif defined(TARGET_AMD64) && defined(TARGET_MACH)
9887 #define LD_NAME "clang"
9888 #define LD_OPTIONS "--shared"
9889 #elif defined(TARGET_WIN32) && !defined(TARGET_ANDROID)
9890 #define LD_NAME "gcc"
9891 #define LD_OPTIONS "-shared"
9892 #elif defined(TARGET_X86) && defined(TARGET_MACH) && !defined(__native_client_codegen__)
9893 #define LD_NAME "clang"
9894 #define LD_OPTIONS "-m32 -dynamiclib"
9895 #elif defined(TARGET_ARM) && !defined(TARGET_ANDROID)
9896 #define LD_NAME "gcc"
9897 #define LD_OPTIONS "--shared"
9898 #elif defined(TARGET_POWERPC64)
9899 #define LD_OPTIONS "-m elf64ppc"
9903 #define LD_OPTIONS ""
9906 if (acfg->aot_opts.asm_only) {
9907 aot_printf (acfg, "Output file: '%s'.\n", acfg->tmpfname);
9908 if (acfg->aot_opts.static_link)
9909 aot_printf (acfg, "Linking symbol: '%s'.\n", acfg->static_linking_symbol);
9911 aot_printf (acfg, "LLVM output file: '%s'.\n", acfg->llvm_sfile);
9915 if (acfg->aot_opts.static_link) {
9916 if (acfg->aot_opts.outfile)
9917 objfile = g_strdup_printf ("%s", acfg->aot_opts.outfile);
9919 objfile = g_strdup_printf ("%s.o", acfg->image->name);
9921 objfile = g_strdup_printf ("%s.o", acfg->tmpfname);
9925 g_string_append (acfg->as_args, "-c -x assembler");
9928 command = g_strdup_printf ("\"%s%s\" %s %s -o %s %s", tool_prefix, AS_NAME, AS_OPTIONS,
9929 acfg->as_args ? acfg->as_args->str : "",
9930 wrap_path (objfile), wrap_path (acfg->tmpfname));
9931 aot_printf (acfg, "Executing the native assembler: %s\n", command);
9932 if (execute_system (command) != 0) {
9938 if (acfg->llvm && !acfg->llvm_owriter) {
9939 command = g_strdup_printf ("\"%s%s\" %s %s -o %s %s", tool_prefix, AS_NAME, AS_OPTIONS,
9940 acfg->as_args ? acfg->as_args->str : "",
9941 wrap_path (acfg->llvm_ofile), wrap_path (acfg->llvm_sfile));
9942 aot_printf (acfg, "Executing the native assembler: %s\n", command);
9943 if (execute_system (command) != 0) {
9952 if (acfg->aot_opts.static_link) {
9953 aot_printf (acfg, "Output file: '%s'.\n", objfile);
9954 aot_printf (acfg, "Linking symbol: '%s'.\n", acfg->static_linking_symbol);
9959 if (acfg->aot_opts.outfile)
9960 outfile_name = g_strdup_printf ("%s", acfg->aot_opts.outfile);
9962 outfile_name = g_strdup_printf ("%s%s", acfg->image->name, MONO_SOLIB_EXT);
9964 tmp_outfile_name = g_strdup_printf ("%s.tmp", outfile_name);
9967 llvm_ofile = g_strdup_printf ("\"%s\"", acfg->llvm_ofile);
9969 llvm_ofile = g_strdup ("");
9972 /* replace the ; flags separators with spaces */
9973 g_strdelimit (ld_flags, ";", ' ');
9975 if (acfg->aot_opts.llvm_only)
9976 ld_flags = g_strdup_printf ("%s %s", ld_flags, "-lstdc++");
9979 command = g_strdup_printf ("%s%s %s -o %s %s %s %s", tool_prefix, LD_NAME, LD_OPTIONS,
9980 wrap_path (tmp_outfile_name), wrap_path (llvm_ofile),
9981 wrap_path (g_strdup_printf ("%s.o", acfg->tmpfname)), ld_flags);
9984 if (acfg->aot_opts.tool_prefix) {
9985 /* Cross compiling */
9986 command = g_strdup_printf ("\"%sld\" %s -shared -o %s %s %s %s", tool_prefix, LD_OPTIONS,
9987 wrap_path (tmp_outfile_name), wrap_path (llvm_ofile),
9988 wrap_path (g_strdup_printf ("%s.o", acfg->tmpfname)), ld_flags);
9990 char *args = g_strdup_printf ("%s -shared -o %s %s %s %s", LD_OPTIONS,
9991 wrap_path (tmp_outfile_name), wrap_path (llvm_ofile),
9992 wrap_path (g_strdup_printf ("%s.o", acfg->tmpfname)), ld_flags);
9995 command = g_strdup_printf ("clang++ %s", args);
9997 command = g_strdup_printf ("\"%sld\" %s", tool_prefix, args);
10003 aot_printf (acfg, "Executing the native linker: %s\n", command);
10004 if (execute_system (command) != 0) {
10005 g_free (tmp_outfile_name);
10006 g_free (outfile_name);
10015 /*com = g_strdup_printf ("strip --strip-unneeded %s%s", acfg->image->name, MONO_SOLIB_EXT);
10016 printf ("Stripping the binary: %s\n", com);
10017 execute_system (com);
10020 #if defined(TARGET_ARM) && !defined(TARGET_MACH)
10022 * gas generates 'mapping symbols' each time code and data is mixed, which
10023 * happens a lot in emit_and_reloc_code (), so we need to get rid of them.
10025 command = g_strdup_printf ("\"%sstrip\" --strip-symbol=\\$a --strip-symbol=\\$d %s", wrap_path(tool_prefix), wrap_path(tmp_outfile_name));
10026 aot_printf (acfg, "Stripping the binary: %s\n", command);
10027 if (execute_system (command) != 0) {
10028 g_free (tmp_outfile_name);
10029 g_free (outfile_name);
10036 if (0 != rename (tmp_outfile_name, outfile_name)) {
10037 if (G_FILE_ERROR_EXIST == g_file_error_from_errno (errno)) {
10038 /* Since we are rebuilding the module we need to be able to replace any old copies. Remove old file and retry rename operation. */
10039 unlink (outfile_name);
10040 rename (tmp_outfile_name, outfile_name);
10044 #if defined(TARGET_MACH)
10045 command = g_strdup_printf ("dsymutil \"%s\"", outfile_name);
10046 aot_printf (acfg, "Executing dsymutil: %s\n", command);
10047 if (execute_system (command) != 0) {
10052 if (!acfg->aot_opts.save_temps)
10055 g_free (tmp_outfile_name);
10056 g_free (outfile_name);
10059 if (acfg->aot_opts.save_temps)
10060 aot_printf (acfg, "Retained input file.\n");
10062 unlink (acfg->tmpfname);
10067 static void init_got_info (GotInfo *info)
10071 info->patch_to_got_offset = g_hash_table_new (mono_patch_info_hash, mono_patch_info_equal);
10072 info->patch_to_got_offset_by_type = g_new0 (GHashTable*, MONO_PATCH_INFO_NUM);
10073 for (i = 0; i < MONO_PATCH_INFO_NUM; ++i)
10074 info->patch_to_got_offset_by_type [i] = g_hash_table_new (mono_patch_info_hash, mono_patch_info_equal);
10075 info->got_patches = g_ptr_array_new ();
10078 static MonoAotCompile*
10079 acfg_create (MonoAssembly *ass, guint32 opts)
10081 MonoImage *image = ass->image;
10082 MonoAotCompile *acfg;
10084 acfg = g_new0 (MonoAotCompile, 1);
10085 acfg->methods = g_ptr_array_new ();
10086 acfg->method_indexes = g_hash_table_new (NULL, NULL);
10087 acfg->method_depth = g_hash_table_new (NULL, NULL);
10088 acfg->plt_offset_to_entry = g_hash_table_new (NULL, NULL);
10089 acfg->patch_to_plt_entry = g_new0 (GHashTable*, MONO_PATCH_INFO_NUM);
10090 acfg->method_to_cfg = g_hash_table_new (NULL, NULL);
10091 acfg->token_info_hash = g_hash_table_new_full (NULL, NULL, NULL, NULL);
10092 acfg->method_to_pinvoke_import = g_hash_table_new_full (NULL, NULL, NULL, g_free);
10093 acfg->image_hash = g_hash_table_new (NULL, NULL);
10094 acfg->image_table = g_ptr_array_new ();
10095 acfg->globals = g_ptr_array_new ();
10096 acfg->image = image;
10098 /* TODO: Write out set of SIMD instructions used, rather than just those available */
10099 acfg->simd_opts = mono_arch_cpu_enumerate_simd_versions ();
10100 acfg->mempool = mono_mempool_new ();
10101 acfg->extra_methods = g_ptr_array_new ();
10102 acfg->unwind_info_offsets = g_hash_table_new (NULL, NULL);
10103 acfg->unwind_ops = g_ptr_array_new ();
10104 acfg->method_label_hash = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, NULL);
10105 acfg->method_order = g_ptr_array_new ();
10106 acfg->export_names = g_hash_table_new (NULL, NULL);
10107 acfg->klass_blob_hash = g_hash_table_new (NULL, NULL);
10108 acfg->method_blob_hash = g_hash_table_new (NULL, NULL);
10109 acfg->plt_entry_debug_sym_cache = g_hash_table_new (g_str_hash, g_str_equal);
10110 acfg->gsharedvt_in_signatures = g_hash_table_new ((GHashFunc)mono_signature_hash, (GEqualFunc)mono_metadata_signature_equal);
10111 acfg->gsharedvt_out_signatures = g_hash_table_new ((GHashFunc)mono_signature_hash, (GEqualFunc)mono_metadata_signature_equal);
10112 mono_os_mutex_init_recursive (&acfg->mutex);
10114 init_got_info (&acfg->got_info);
10115 init_got_info (&acfg->llvm_got_info);
10121 got_info_free (GotInfo *info)
10125 for (i = 0; i < MONO_PATCH_INFO_NUM; ++i)
10126 g_hash_table_destroy (info->patch_to_got_offset_by_type [i]);
10127 g_free (info->patch_to_got_offset_by_type);
10128 g_hash_table_destroy (info->patch_to_got_offset);
10129 g_ptr_array_free (info->got_patches, TRUE);
10133 acfg_free (MonoAotCompile *acfg)
10137 mono_img_writer_destroy (acfg->w);
10138 for (i = 0; i < acfg->nmethods; ++i)
10139 if (acfg->cfgs [i])
10140 mono_destroy_compile (acfg->cfgs [i]);
10142 g_free (acfg->cfgs);
10144 g_free (acfg->static_linking_symbol);
10145 g_free (acfg->got_symbol);
10146 g_free (acfg->plt_symbol);
10147 g_ptr_array_free (acfg->methods, TRUE);
10148 g_ptr_array_free (acfg->image_table, TRUE);
10149 g_ptr_array_free (acfg->globals, TRUE);
10150 g_ptr_array_free (acfg->unwind_ops, TRUE);
10151 g_hash_table_destroy (acfg->method_indexes);
10152 g_hash_table_destroy (acfg->method_depth);
10153 g_hash_table_destroy (acfg->plt_offset_to_entry);
10154 for (i = 0; i < MONO_PATCH_INFO_NUM; ++i) {
10155 if (acfg->patch_to_plt_entry [i])
10156 g_hash_table_destroy (acfg->patch_to_plt_entry [i]);
10158 g_free (acfg->patch_to_plt_entry);
10159 g_hash_table_destroy (acfg->method_to_cfg);
10160 g_hash_table_destroy (acfg->token_info_hash);
10161 g_hash_table_destroy (acfg->method_to_pinvoke_import);
10162 g_hash_table_destroy (acfg->image_hash);
10163 g_hash_table_destroy (acfg->unwind_info_offsets);
10164 g_hash_table_destroy (acfg->method_label_hash);
10165 if (acfg->typespec_classes)
10166 g_hash_table_destroy (acfg->typespec_classes);
10167 g_hash_table_destroy (acfg->export_names);
10168 g_hash_table_destroy (acfg->plt_entry_debug_sym_cache);
10169 g_hash_table_destroy (acfg->klass_blob_hash);
10170 g_hash_table_destroy (acfg->method_blob_hash);
10171 got_info_free (&acfg->got_info);
10172 got_info_free (&acfg->llvm_got_info);
10173 mono_mempool_destroy (acfg->mempool);
10177 #define WRAPPER(e,n) n,
10178 static const char* const
10179 wrapper_type_names [MONO_WRAPPER_NUM + 1] = {
10180 #include "mono/metadata/wrapper-types.h"
10184 static G_GNUC_UNUSED const char*
10185 get_wrapper_type_name (int type)
10187 return wrapper_type_names [type];
10193 static void aot_dump (MonoAotCompile *acfg)
10199 mono_json_writer_init (&writer);
10201 mono_json_writer_object_begin(&writer);
10204 mono_json_writer_indent (&writer);
10205 mono_json_writer_object_key(&writer, "methods");
10206 mono_json_writer_array_begin (&writer);
10209 for (i = 0; i < acfg->nmethods; ++i) {
10211 MonoMethod *method;
10214 cfg = acfg->cfgs [i];
10218 method = cfg->orig_method;
10220 mono_json_writer_indent (&writer);
10221 mono_json_writer_object_begin(&writer);
10223 mono_json_writer_indent (&writer);
10224 mono_json_writer_object_key(&writer, "name");
10225 mono_json_writer_printf (&writer, "\"%s\",\n", method->name);
10227 mono_json_writer_indent (&writer);
10228 mono_json_writer_object_key(&writer, "signature");
10229 mono_json_writer_printf (&writer, "\"%s\",\n", mono_method_get_full_name (method));
10231 mono_json_writer_indent (&writer);
10232 mono_json_writer_object_key(&writer, "code_size");
10233 mono_json_writer_printf (&writer, "\"%d\",\n", cfg->code_size);
10235 klass = method->klass;
10237 mono_json_writer_indent (&writer);
10238 mono_json_writer_object_key(&writer, "class");
10239 mono_json_writer_printf (&writer, "\"%s\",\n", klass->name);
10241 mono_json_writer_indent (&writer);
10242 mono_json_writer_object_key(&writer, "namespace");
10243 mono_json_writer_printf (&writer, "\"%s\",\n", klass->name_space);
10245 mono_json_writer_indent (&writer);
10246 mono_json_writer_object_key(&writer, "wrapper_type");
10247 mono_json_writer_printf (&writer, "\"%s\",\n", get_wrapper_type_name(method->wrapper_type));
10249 mono_json_writer_indent_pop (&writer);
10250 mono_json_writer_indent (&writer);
10251 mono_json_writer_object_end (&writer);
10252 mono_json_writer_printf (&writer, ",\n");
10255 mono_json_writer_indent_pop (&writer);
10256 mono_json_writer_indent (&writer);
10257 mono_json_writer_array_end (&writer);
10258 mono_json_writer_printf (&writer, ",\n");
10262 mono_json_writer_indent_push (&writer);
10263 mono_json_writer_indent (&writer);
10264 mono_json_writer_object_key(&writer, "plt");
10265 mono_json_writer_array_begin (&writer);
10267 for (i = 0; i < acfg->plt_offset; ++i) {
10268 MonoPltEntry *plt_entry = NULL;
10273 * The first plt entry is unused.
10277 plt_entry = g_hash_table_lookup (acfg->plt_offset_to_entry, GUINT_TO_POINTER (i));
10278 ji = plt_entry->ji;
10280 mono_json_writer_indent (&writer);
10281 mono_json_writer_printf (&writer, "{ ");
10282 mono_json_writer_object_key(&writer, "symbol");
10283 mono_json_writer_printf (&writer, "\"%s\" },\n", plt_entry->symbol);
10286 mono_json_writer_indent_pop (&writer);
10287 mono_json_writer_indent (&writer);
10288 mono_json_writer_array_end (&writer);
10289 mono_json_writer_printf (&writer, ",\n");
10294 mono_json_writer_indent_push (&writer);
10295 mono_json_writer_indent (&writer);
10296 mono_json_writer_object_key(&writer, "got");
10297 mono_json_writer_array_begin (&writer);
10299 mono_json_writer_indent_push (&writer);
10300 for (i = 0; i < acfg->got_info.got_patches->len; ++i) {
10301 MonoJumpInfo *ji = g_ptr_array_index (acfg->got_info.got_patches, i);
10303 mono_json_writer_indent (&writer);
10304 mono_json_writer_printf (&writer, "{ ");
10305 mono_json_writer_object_key(&writer, "patch_name");
10306 mono_json_writer_printf (&writer, "\"%s\" },\n", get_patch_name (ji->type));
10309 mono_json_writer_indent_pop (&writer);
10310 mono_json_writer_indent (&writer);
10311 mono_json_writer_array_end (&writer);
10312 mono_json_writer_printf (&writer, ",\n");
10315 mono_json_writer_indent_pop (&writer);
10316 mono_json_writer_indent (&writer);
10317 mono_json_writer_object_end (&writer);
10319 dumpname = g_strdup_printf ("%s.json", g_path_get_basename (acfg->image->name));
10320 dumpfile = fopen (dumpname, "w+");
10323 fprintf (dumpfile, "%s", writer.text->str);
10326 mono_json_writer_destroy (&writer);
10329 static const char *preinited_jit_icalls[] = {
10330 "mono_aot_init_llvm_method",
10331 "mono_aot_init_gshared_method_this",
10332 "mono_aot_init_gshared_method_mrgctx",
10333 "mono_aot_init_gshared_method_vtable",
10334 "mono_llvm_throw_corlib_exception",
10335 "mono_init_vtable_slot",
10336 "mono_helper_ldstr_mscorlib"
10340 add_preinit_got_slots (MonoAotCompile *acfg)
10346 * Allocate the first few GOT entries to information which is needed frequently, or it is needed
10347 * during method initialization etc.
10350 ji = (MonoJumpInfo *)mono_mempool_alloc0 (acfg->mempool, sizeof (MonoJumpInfo));
10351 ji->type = MONO_PATCH_INFO_IMAGE;
10352 ji->data.image = acfg->image;
10353 get_got_offset (acfg, FALSE, ji);
10354 get_got_offset (acfg, TRUE, ji);
10356 ji = (MonoJumpInfo *)mono_mempool_alloc0 (acfg->mempool, sizeof (MonoJumpInfo));
10357 ji->type = MONO_PATCH_INFO_MSCORLIB_GOT_ADDR;
10358 get_got_offset (acfg, FALSE, ji);
10359 get_got_offset (acfg, TRUE, ji);
10361 ji = (MonoJumpInfo *)mono_mempool_alloc0 (acfg->mempool, sizeof (MonoJumpInfo));
10362 ji->type = MONO_PATCH_INFO_GC_CARD_TABLE_ADDR;
10363 get_got_offset (acfg, FALSE, ji);
10364 get_got_offset (acfg, TRUE, ji);
10366 ji = (MonoJumpInfo *)mono_mempool_alloc0 (acfg->mempool, sizeof (MonoJumpInfo));
10367 ji->type = MONO_PATCH_INFO_GC_NURSERY_START;
10368 get_got_offset (acfg, FALSE, ji);
10369 get_got_offset (acfg, TRUE, ji);
10371 ji = (MonoJumpInfo *)mono_mempool_alloc0 (acfg->mempool, sizeof (MonoJumpInfo));
10372 ji->type = MONO_PATCH_INFO_JIT_TLS_ID;
10373 get_got_offset (acfg, FALSE, ji);
10374 get_got_offset (acfg, TRUE, ji);
10376 ji = (MonoJumpInfo *)mono_mempool_alloc0 (acfg->mempool, sizeof (MonoJumpInfo));
10377 ji->type = MONO_PATCH_INFO_AOT_MODULE;
10378 get_got_offset (acfg, FALSE, ji);
10379 get_got_offset (acfg, TRUE, ji);
10381 ji = (MonoJumpInfo *)mono_mempool_alloc0 (acfg->mempool, sizeof (MonoJumpInfo));
10382 ji->type = MONO_PATCH_INFO_GC_NURSERY_BITS;
10383 get_got_offset (acfg, FALSE, ji);
10384 get_got_offset (acfg, TRUE, ji);
10386 ji = (MonoJumpInfo *)mono_mempool_alloc0 (acfg->mempool, sizeof (MonoJumpInfo));
10387 ji->type = MONO_PATCH_INFO_GET_TLS_TRAMP;
10388 get_got_offset (acfg, FALSE, ji);
10389 get_got_offset (acfg, TRUE, ji);
10391 for (i = 0; i < sizeof (preinited_jit_icalls) / sizeof (char*); ++i) {
10392 ji = (MonoJumpInfo *)mono_mempool_alloc0 (acfg->mempool, sizeof (MonoAotCompile));
10393 ji->type = MONO_PATCH_INFO_INTERNAL_METHOD;
10394 ji->data.name = preinited_jit_icalls [i];
10395 get_got_offset (acfg, FALSE, ji);
10396 get_got_offset (acfg, TRUE, ji);
10399 acfg->nshared_got_entries = acfg->got_offset;
10403 mono_compile_assembly (MonoAssembly *ass, guint32 opts, const char *aot_options)
10405 MonoImage *image = ass->image;
10408 MonoAotCompile *acfg;
10409 char *outfile_name, *tmp_outfile_name, *p;
10410 char llvm_stats_msg [256];
10414 acfg = acfg_create (ass, opts);
10416 memset (&acfg->aot_opts, 0, sizeof (acfg->aot_opts));
10417 acfg->aot_opts.write_symbols = TRUE;
10418 acfg->aot_opts.ntrampolines = 4096;
10419 acfg->aot_opts.nrgctx_trampolines = 4096;
10420 acfg->aot_opts.nimt_trampolines = 512;
10421 acfg->aot_opts.nrgctx_fetch_trampolines = 128;
10422 acfg->aot_opts.ngsharedvt_arg_trampolines = 512;
10423 acfg->aot_opts.llvm_path = g_strdup ("");
10424 acfg->aot_opts.temp_path = g_strdup ("");
10426 acfg->aot_opts.use_trampolines_page = TRUE;
10429 mono_aot_parse_options (aot_options, &acfg->aot_opts);
10431 if (acfg->aot_opts.logfile) {
10432 acfg->logfile = fopen (acfg->aot_opts.logfile, "a+");
10435 if (acfg->aot_opts.data_outfile) {
10436 acfg->data_outfile = fopen (acfg->aot_opts.data_outfile, "w+");
10437 if (!acfg->data_outfile) {
10438 aot_printerrf (acfg, "Unable to create file '%s': %s\n", acfg->aot_opts.data_outfile, strerror (errno));
10441 acfg->flags = (MonoAotFileFlags)(acfg->flags | MONO_AOT_FILE_FLAG_SEPARATE_DATA);
10444 //acfg->aot_opts.print_skipped_methods = TRUE;
10446 #if !defined(MONO_ARCH_GSHAREDVT_SUPPORTED)
10447 if (acfg->opts & MONO_OPT_GSHAREDVT) {
10448 aot_printerrf (acfg, "-O=gsharedvt not supported on this platform.\n");
10451 if (acfg->aot_opts.llvm_only) {
10452 aot_printerrf (acfg, "--aot=llvmonly requires a runtime that supports gsharedvt.\n");
10456 if (acfg->aot_opts.llvm_only || mono_aot_mode_is_full (&acfg->aot_opts) || mono_aot_mode_is_hybrid (&acfg->aot_opts))
10457 acfg->opts |= MONO_OPT_GSHAREDVT;
10460 #if !defined(ENABLE_LLVM)
10461 if (acfg->aot_opts.llvm_only) {
10462 aot_printerrf (acfg, "--aot=llvmonly requires a runtime compiled with llvm support.\n");
10467 if (acfg->opts & MONO_OPT_GSHAREDVT)
10468 mono_set_generic_sharing_vt_supported (TRUE);
10470 aot_printf (acfg, "Mono Ahead of Time compiler - compiling assembly %s\n", image->name);
10472 generate_aotid ((guint8*) &acfg->image->aotid);
10474 char *aotid = mono_guid_to_string (acfg->image->aotid);
10475 aot_printf (acfg, "AOTID %s\n", aotid);
10478 #ifndef MONO_ARCH_HAVE_FULL_AOT_TRAMPOLINES
10479 if (mono_aot_mode_is_full (&acfg->aot_opts)) {
10480 aot_printerrf (acfg, "--aot=full is not supported on this platform.\n");
10485 if (acfg->aot_opts.direct_pinvoke && !acfg->aot_opts.static_link) {
10486 aot_printerrf (acfg, "The 'direct-pinvoke' AOT option also requires the 'static' AOT option.\n");
10490 if (acfg->aot_opts.static_link)
10491 acfg->aot_opts.asm_writer = TRUE;
10493 if (acfg->aot_opts.soft_debug) {
10494 MonoDebugOptions *opt = mini_get_debug_options ();
10496 opt->mdb_optimizations = TRUE;
10497 opt->gen_sdb_seq_points = TRUE;
10499 if (!mono_debug_enabled ()) {
10500 aot_printerrf (acfg, "The soft-debug AOT option requires the --debug option.\n");
10503 acfg->flags = (MonoAotFileFlags)(acfg->flags | MONO_AOT_FILE_FLAG_DEBUG);
10506 if (mono_use_llvm || acfg->aot_opts.llvm) {
10508 acfg->aot_opts.asm_writer = TRUE;
10509 acfg->flags = (MonoAotFileFlags)(acfg->flags | MONO_AOT_FILE_FLAG_WITH_LLVM);
10511 if (acfg->aot_opts.soft_debug) {
10512 aot_printerrf (acfg, "The 'soft-debug' option is not supported when compiling with LLVM.\n");
10518 if (acfg->aot_opts.asm_only && !acfg->aot_opts.llvm_outfile) {
10519 aot_printerrf (acfg, "Compiling with LLVM and the asm-only option requires the llvm-outfile= option.\n");
10524 if (mono_aot_mode_is_full (&acfg->aot_opts))
10525 acfg->flags = (MonoAotFileFlags)(acfg->flags | MONO_AOT_FILE_FLAG_FULL_AOT);
10527 if (mono_threads_is_coop_enabled ())
10528 acfg->flags = (MonoAotFileFlags)(acfg->flags | MONO_AOT_FILE_FLAG_SAFEPOINTS);
10530 if (acfg->aot_opts.instances_logfile_path) {
10531 acfg->instances_logfile = fopen (acfg->aot_opts.instances_logfile_path, "w");
10532 if (!acfg->instances_logfile) {
10533 aot_printerrf (acfg, "Unable to create logfile: '%s'.\n", acfg->aot_opts.instances_logfile_path);
10538 load_profile_files (acfg);
10540 acfg->num_trampolines [MONO_AOT_TRAMP_SPECIFIC] = mono_aot_mode_is_full (&acfg->aot_opts) ? acfg->aot_opts.ntrampolines : 0;
10541 #ifdef MONO_ARCH_GSHARED_SUPPORTED
10542 acfg->num_trampolines [MONO_AOT_TRAMP_STATIC_RGCTX] = mono_aot_mode_is_full (&acfg->aot_opts) ? acfg->aot_opts.nrgctx_trampolines : 0;
10544 acfg->num_trampolines [MONO_AOT_TRAMP_IMT] = mono_aot_mode_is_full (&acfg->aot_opts) ? acfg->aot_opts.nimt_trampolines : 0;
10545 #ifdef MONO_ARCH_GSHAREDVT_SUPPORTED
10546 if (acfg->opts & MONO_OPT_GSHAREDVT)
10547 acfg->num_trampolines [MONO_AOT_TRAMP_GSHAREDVT_ARG] = mono_aot_mode_is_full (&acfg->aot_opts) ? acfg->aot_opts.ngsharedvt_arg_trampolines : 0;
10550 acfg->temp_prefix = mono_img_writer_get_temp_label_prefix (NULL);
10554 if (mono_use_llvm || acfg->aot_opts.llvm) {
10557 * Emit all LLVM code into a separate assembly/object file and link with it
10560 if (!acfg->aot_opts.asm_only && acfg->llvm_owriter_supported) {
10561 acfg->llvm_owriter = TRUE;
10562 } else if (acfg->aot_opts.llvm_outfile) {
10563 int len = strlen (acfg->aot_opts.llvm_outfile);
10565 if (len >= 2 && acfg->aot_opts.llvm_outfile [len - 2] == '.' && acfg->aot_opts.llvm_outfile [len - 1] == 'o')
10566 acfg->llvm_owriter = TRUE;
10570 if (acfg->llvm && acfg->thumb_mixed)
10571 acfg->flags = (MonoAotFileFlags)(acfg->flags | MONO_AOT_FILE_FLAG_LLVM_THUMB);
10572 if (acfg->aot_opts.llvm_only)
10573 acfg->flags = (MonoAotFileFlags)(acfg->flags | MONO_AOT_FILE_FLAG_LLVM_ONLY);
10575 acfg->assembly_name_sym = g_strdup (acfg->image->assembly->aname.name);
10576 /* Get rid of characters which cannot occur in symbols */
10577 for (p = acfg->assembly_name_sym; *p; ++p) {
10578 if (!(isalnum (*p) || *p == '_'))
10582 acfg->global_prefix = g_strdup_printf ("mono_aot_%s", acfg->assembly_name_sym);
10583 acfg->plt_symbol = g_strdup_printf ("%s_plt", acfg->global_prefix);
10584 acfg->got_symbol = g_strdup_printf ("%s_got", acfg->global_prefix);
10586 acfg->llvm_got_symbol = g_strdup_printf ("%s_llvm_got", acfg->global_prefix);
10587 acfg->llvm_eh_frame_symbol = g_strdup_printf ("%s_eh_frame", acfg->global_prefix);
10590 acfg->method_index = 1;
10592 if (mono_aot_mode_is_full (&acfg->aot_opts) || mono_aot_mode_is_hybrid (&acfg->aot_opts))
10593 mono_set_partial_sharing_supported (TRUE);
10595 res = collect_methods (acfg);
10599 acfg->cfgs_size = acfg->methods->len + 32;
10600 acfg->cfgs = g_new0 (MonoCompile*, acfg->cfgs_size);
10602 /* PLT offset 0 is reserved for the PLT trampoline */
10603 acfg->plt_offset = 1;
10604 add_preinit_got_slots (acfg);
10609 mono_llvm_create_aot_module (acfg->image->assembly, acfg->global_prefix, TRUE, acfg->aot_opts.static_link, acfg->aot_opts.llvm_only);
10615 compile_methods (acfg);
10619 acfg->stats.jit_time = TV_ELAPSED (atv, btv);
10625 if (acfg->aot_opts.asm_only) {
10626 if (acfg->aot_opts.outfile) {
10627 acfg->tmpfname = g_strdup_printf ("%s", acfg->aot_opts.outfile);
10628 acfg->tmpbasename = g_strdup (acfg->tmpfname);
10630 acfg->tmpbasename = g_strdup_printf ("%s", acfg->image->name);
10631 acfg->tmpfname = g_strdup_printf ("%s.s", acfg->tmpbasename);
10633 g_assert (acfg->aot_opts.llvm_outfile);
10634 acfg->llvm_sfile = g_strdup (acfg->aot_opts.llvm_outfile);
10635 if (acfg->llvm_owriter)
10636 acfg->llvm_ofile = g_strdup (acfg->aot_opts.llvm_outfile);
10638 acfg->llvm_sfile = g_strdup (acfg->aot_opts.llvm_outfile);
10640 acfg->tmpbasename = (strcmp (acfg->aot_opts.temp_path, "") == 0) ?
10641 g_strdup_printf ("%s", "temp") :
10642 g_build_filename (acfg->aot_opts.temp_path, "temp", NULL);
10644 acfg->tmpfname = g_strdup_printf ("%s.s", acfg->tmpbasename);
10645 acfg->llvm_sfile = g_strdup_printf ("%s-llvm.s", acfg->tmpbasename);
10646 acfg->llvm_ofile = g_strdup_printf ("%s-llvm.o", acfg->tmpbasename);
10651 if (acfg->aot_opts.asm_only && !acfg->aot_opts.llvm_only) {
10652 if (acfg->aot_opts.outfile)
10653 acfg->tmpfname = g_strdup_printf ("%s", acfg->aot_opts.outfile);
10655 acfg->tmpfname = g_strdup_printf ("%s.s", acfg->image->name);
10656 acfg->fp = fopen (acfg->tmpfname, "w+");
10658 int i = g_file_open_tmp ("mono_aot_XXXXXX", &acfg->tmpfname, NULL);
10659 acfg->fp = fdopen (i, "w+");
10661 if (acfg->fp == 0 && !acfg->aot_opts.llvm_only) {
10662 aot_printerrf (acfg, "Unable to open file '%s': %s\n", acfg->tmpfname, strerror (errno));
10666 acfg->w = mono_img_writer_create (acfg->fp, FALSE);
10668 tmp_outfile_name = NULL;
10669 outfile_name = NULL;
10671 /* Compute symbols for methods */
10672 for (i = 0; i < acfg->nmethods; ++i) {
10673 if (acfg->cfgs [i]) {
10674 MonoCompile *cfg = acfg->cfgs [i];
10675 int method_index = get_method_index (acfg, cfg->orig_method);
10677 if (COMPILE_LLVM (cfg))
10678 cfg->asm_symbol = g_strdup_printf ("%s%s", acfg->llvm_label_prefix, cfg->llvm_method_name);
10679 else if (acfg->global_symbols || acfg->llvm)
10680 cfg->asm_symbol = get_debug_sym (cfg->orig_method, "", acfg->method_label_hash);
10682 cfg->asm_symbol = g_strdup_printf ("%s%sm_%x", acfg->temp_prefix, acfg->llvm_label_prefix, method_index);
10683 cfg->asm_debug_symbol = cfg->asm_symbol;
10687 if (acfg->aot_opts.dwarf_debug && acfg->aot_opts.gnu_asm) {
10689 * CLANG supports GAS .file/.loc directives, so emit line number information this way
10691 acfg->gas_line_numbers = TRUE;
10694 if ((!acfg->aot_opts.nodebug || acfg->aot_opts.dwarf_debug) && acfg->has_jitted_code) {
10695 if (acfg->aot_opts.dwarf_debug && !mono_debug_enabled ()) {
10696 aot_printerrf (acfg, "The dwarf AOT option requires the --debug option.\n");
10699 acfg->dwarf = mono_dwarf_writer_create (acfg->w, NULL, 0, !acfg->gas_line_numbers);
10703 mono_img_writer_emit_start (acfg->w);
10706 mono_dwarf_writer_emit_base_info (acfg->dwarf, g_path_get_basename (acfg->image->name), mono_unwind_get_cie_program ());
10712 emit_extra_methods (acfg);
10714 emit_trampolines (acfg);
10716 emit_class_name_table (acfg);
10718 emit_got_info (acfg, FALSE);
10720 emit_got_info (acfg, TRUE);
10722 emit_exception_info (acfg);
10724 emit_unwind_info (acfg);
10726 emit_class_info (acfg);
10730 emit_image_table (acfg);
10736 * The managed allocators are GC specific, so can't use an AOT image created by one GC
10739 const char *gc_name = mono_gc_get_gc_name ();
10740 acfg->gc_name_offset = add_to_blob (acfg, (guint8*)gc_name, strlen (gc_name) + 1);
10745 emit_objc_selectors (acfg);
10747 emit_globals (acfg);
10749 emit_file_info (acfg);
10752 emit_dwarf_info (acfg);
10753 mono_dwarf_writer_close (acfg->dwarf);
10756 emit_mem_end (acfg);
10758 if (acfg->need_pt_gnu_stack) {
10759 /* This is required so the .so doesn't have an executable stack */
10760 /* The bin writer already emits this */
10761 fprintf (acfg->fp, "\n.section .note.GNU-stack,\"\",@progbits\n");
10764 if (acfg->aot_opts.data_outfile)
10765 fclose (acfg->data_outfile);
10771 res = emit_llvm_file (acfg);
10779 acfg->stats.gen_time = TV_ELAPSED (atv, btv);
10782 sprintf (llvm_stats_msg, ", LLVM: %d (%d%%)", acfg->stats.llvm_count, acfg->stats.mcount ? (acfg->stats.llvm_count * 100) / acfg->stats.mcount : 100);
10784 strcpy (llvm_stats_msg, "");
10786 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;
10788 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",
10789 (int)acfg->stats.code_size, (int)(acfg->stats.code_size * 100 / all_sizes),
10790 (int)acfg->stats.info_size, (int)(acfg->stats.info_size * 100 / all_sizes),
10791 (int)acfg->stats.ex_info_size, (int)(acfg->stats.ex_info_size * 100 / all_sizes),
10792 (int)acfg->stats.unwind_info_size, (int)(acfg->stats.unwind_info_size * 100 / all_sizes),
10793 (int)acfg->stats.class_info_size, (int)(acfg->stats.class_info_size * 100 / all_sizes),
10794 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,
10795 (int)acfg->stats.got_info_size, (int)(acfg->stats.got_info_size * 100 / all_sizes),
10796 (int)acfg->stats.offsets_size, (int)(acfg->stats.offsets_size * 100 / all_sizes),
10797 (int)(acfg->got_offset * sizeof (gpointer)));
10798 aot_printf (acfg, "Compiled: %d/%d (%d%%)%s, No GOT slots: %d (%d%%), Direct calls: %d (%d%%)\n",
10799 acfg->stats.ccount, acfg->stats.mcount, acfg->stats.mcount ? (acfg->stats.ccount * 100) / acfg->stats.mcount : 100,
10801 acfg->stats.methods_without_got_slots, acfg->stats.mcount ? (acfg->stats.methods_without_got_slots * 100) / acfg->stats.mcount : 100,
10802 acfg->stats.direct_calls, acfg->stats.all_calls ? (acfg->stats.direct_calls * 100) / acfg->stats.all_calls : 100);
10803 if (acfg->stats.genericcount)
10804 aot_printf (acfg, "%d methods are generic (%d%%)\n", acfg->stats.genericcount, acfg->stats.mcount ? (acfg->stats.genericcount * 100) / acfg->stats.mcount : 100);
10805 if (acfg->stats.abscount)
10806 aot_printf (acfg, "%d methods contain absolute addresses (%d%%)\n", acfg->stats.abscount, acfg->stats.mcount ? (acfg->stats.abscount * 100) / acfg->stats.mcount : 100);
10807 if (acfg->stats.lmfcount)
10808 aot_printf (acfg, "%d methods contain lmf pointers (%d%%)\n", acfg->stats.lmfcount, acfg->stats.mcount ? (acfg->stats.lmfcount * 100) / acfg->stats.mcount : 100);
10809 if (acfg->stats.ocount)
10810 aot_printf (acfg, "%d methods have other problems (%d%%)\n", acfg->stats.ocount, acfg->stats.mcount ? (acfg->stats.ocount * 100) / acfg->stats.mcount : 100);
10814 res = mono_img_writer_emit_writeout (acfg->w);
10819 res = compile_asm (acfg);
10826 acfg->stats.link_time = TV_ELAPSED (atv, btv);
10828 if (acfg->aot_opts.stats) {
10831 aot_printf (acfg, "GOT slot distribution:\n");
10832 for (i = 0; i < MONO_PATCH_INFO_NUM; ++i)
10833 if (acfg->stats.got_slot_types [i])
10834 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]);
10835 aot_printf (acfg, "\nMethod stats:\n");
10836 aot_printf (acfg, "\tNormal: %d\n", acfg->stats.method_categories [METHOD_CAT_NORMAL]);
10837 aot_printf (acfg, "\tInstance: %d\n", acfg->stats.method_categories [METHOD_CAT_INST]);
10838 aot_printf (acfg, "\tGSharedvt: %d\n", acfg->stats.method_categories [METHOD_CAT_GSHAREDVT]);
10839 aot_printf (acfg, "\tWrapper: %d\n", acfg->stats.method_categories [METHOD_CAT_WRAPPER]);
10842 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);
10844 if (acfg->aot_opts.dump_json)
10857 mono_aot_readonly_field_override (MonoClassField *field)
10863 mono_compile_assembly (MonoAssembly *ass, guint32 opts, const char *aot_options)
10869 mono_aot_is_shared_got_offset (int offset)