2 * aot-runtime.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.
14 #include <sys/types.h>
20 #ifdef HAVE_SYS_MMAN_H
29 #ifdef HAVE_EXECINFO_H
36 #ifdef HAVE_SYS_WAIT_H
37 #include <sys/wait.h> /* for WIFEXITED, WEXITSTATUS */
40 #include <mono/metadata/abi-details.h>
41 #include <mono/metadata/tabledefs.h>
42 #include <mono/metadata/class.h>
43 #include <mono/metadata/object.h>
44 #include <mono/metadata/tokentype.h>
45 #include <mono/metadata/appdomain.h>
46 #include <mono/metadata/debug-helpers.h>
47 #include <mono/metadata/assembly.h>
48 #include <mono/metadata/metadata-internals.h>
49 #include <mono/metadata/marshal.h>
50 #include <mono/metadata/gc-internals.h>
51 #include <mono/metadata/threads-types.h>
52 #include <mono/metadata/mono-endian.h>
53 #include <mono/utils/mono-logger-internals.h>
54 #include <mono/utils/mono-mmap.h>
55 #include <mono/utils/mono-compiler.h>
56 #include <mono/utils/mono-counters.h>
57 #include <mono/utils/mono-digest.h>
60 #include "seq-points.h"
62 #include "debugger-agent.h"
63 #include "aot-compiler.h"
68 #define ENABLE_AOT_CACHE
71 /* Number of got entries shared between the JIT and LLVM GOT */
72 #define N_COMMON_GOT_ENTRIES 10
74 #define ALIGN_TO(val,align) ((((guint64)val) + ((align) - 1)) & ~((align) - 1))
75 #define ALIGN_PTR_TO(ptr,align) (gpointer)((((gssize)(ptr)) + (align - 1)) & (~(align - 1)))
76 #define ROUND_DOWN(VALUE,SIZE) ((VALUE) & ~((SIZE) - 1))
83 typedef struct MonoAotModule {
85 /* Pointer to the Global Offset Table */
89 GHashTable *name_cache;
90 GHashTable *extra_methods;
91 /* Maps methods to their code */
92 GHashTable *method_to_code;
93 /* Maps pointers into the method info to the methods themselves */
94 GHashTable *method_ref_to_method;
95 MonoAssemblyName *image_names;
97 MonoAssembly *assembly;
98 MonoImage **image_table;
99 guint32 image_table_len;
100 gboolean out_of_date;
102 gboolean got_initializing;
105 guint8 *jit_code_start;
106 guint8 *jit_code_end;
107 guint8 *llvm_code_start;
108 guint8 *llvm_code_end;
112 /* Maps method indexes to their code */
114 /* Sorted array of method addresses */
115 gpointer *sorted_methods;
116 /* Method indexes for each method in sorted_methods */
117 int *sorted_method_indexes;
118 /* The length of the two tables above */
119 int sorted_methods_len;
120 guint32 *method_info_offsets;
121 guint32 *ex_info_offsets;
122 guint32 *class_info_offsets;
123 guint32 *got_info_offsets;
124 guint32 *llvm_got_info_offsets;
125 guint32 *methods_loaded;
126 guint16 *class_name_table;
127 guint32 *extra_method_table;
128 guint32 *extra_method_info_offsets;
129 guint32 *unbox_trampolines;
130 guint32 *unbox_trampolines_end;
131 guint32 *unbox_trampoline_addresses;
134 /* Points to the mono EH data created by LLVM */
135 guint8 *mono_eh_frame;
137 /* Points to the data tables if MONO_AOT_FILE_FLAG_SEPARATE_DATA is set */
138 gpointer tables [MONO_AOT_TABLE_NUM];
139 /* Points to the trampolines */
140 guint8 *trampolines [MONO_AOT_TRAMP_NUM];
141 /* The first unused trampoline of each kind */
142 guint32 trampoline_index [MONO_AOT_TRAMP_NUM];
144 gboolean use_page_trampolines;
146 MonoAotFileInfo info;
151 JitInfoMap *async_jit_info_table;
157 unsigned char *trampolines;
158 unsigned char *trampolines_end;
161 static GHashTable *aot_modules;
162 #define mono_aot_lock() mono_os_mutex_lock (&aot_mutex)
163 #define mono_aot_unlock() mono_os_mutex_unlock (&aot_mutex)
164 static mono_mutex_t aot_mutex;
167 * Maps assembly names to the mono_aot_module_<NAME>_info symbols in the
168 * AOT modules registered by mono_aot_register_module ().
170 static GHashTable *static_aot_modules;
173 * Maps MonoJitInfo* to the aot module they belong to, this can be different
174 * from ji->method->klass->image's aot module for generic instances.
176 static GHashTable *ji_to_amodule;
179 * Whenever to AOT compile loaded assemblies on demand and store them in
182 static gboolean enable_aot_cache = FALSE;
184 static gboolean mscorlib_aot_loaded;
187 static gint32 mono_last_aot_method = -1;
189 static gboolean make_unreadable = FALSE;
190 static guint32 name_table_accesses = 0;
191 static guint32 n_pagefaults = 0;
193 /* Used to speed-up find_aot_module () */
194 static gsize aot_code_low_addr = (gssize)-1;
195 static gsize aot_code_high_addr = 0;
198 static gint32 async_jit_info_size;
200 static GHashTable *aot_jit_icall_hash;
203 #define USE_PAGE_TRAMPOLINES ((MonoAotModule*)mono_defaults.corlib->aot_module)->use_page_trampolines
205 #define USE_PAGE_TRAMPOLINES 0
208 #define mono_aot_page_lock() mono_os_mutex_lock (&aot_page_mutex)
209 #define mono_aot_page_unlock() mono_os_mutex_unlock (&aot_page_mutex)
210 static mono_mutex_t aot_page_mutex;
212 static MonoAotModule *mscorlib_aot_module;
214 /* Embedding API hooks to load the AOT data for AOT images compiled with MONO_AOT_FILE_FLAG_SEPARATE_DATA */
215 static MonoLoadAotDataFunc aot_data_load_func;
216 static MonoFreeAotDataFunc aot_data_free_func;
217 static gpointer aot_data_func_user_data;
220 init_plt (MonoAotModule *info);
223 compute_llvm_code_range (MonoAotModule *amodule, guint8 **code_start, guint8 **code_end);
226 init_llvm_method (MonoAotModule *amodule, guint32 method_index, MonoMethod *method, MonoClass *init_class, MonoGenericContext *context);
229 decode_patches (MonoAotModule *amodule, MonoMemPool *mp, int n_patches, gboolean llvm, guint32 *got_offsets);
232 amodule_lock (MonoAotModule *amodule)
234 mono_os_mutex_lock (&amodule->mutex);
238 amodule_unlock (MonoAotModule *amodule)
240 mono_os_mutex_unlock (&amodule->mutex);
246 * Load one of the images referenced by AMODULE. Returns NULL if the image is not
247 * found, and sets the loader error if SET_ERROR is TRUE.
250 load_image (MonoAotModule *amodule, int index, gboolean set_error)
252 MonoAssembly *assembly;
253 MonoImageOpenStatus status;
255 g_assert (index < amodule->image_table_len);
257 if (amodule->image_table [index])
258 return amodule->image_table [index];
259 if (amodule->out_of_date)
262 assembly = mono_assembly_load (&amodule->image_names [index], amodule->assembly->basedir, &status);
264 mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_AOT, "AOT: module %s is unusable because dependency %s is not found.\n", amodule->aot_name, amodule->image_names [index].name);
265 amodule->out_of_date = TRUE;
268 char *full_name = mono_stringify_assembly_name (&amodule->image_names [index]);
269 mono_loader_set_error_assembly_load (full_name, FALSE);
275 if (strcmp (assembly->image->guid, amodule->image_guids [index])) {
276 mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_AOT, "AOT: module %s is unusable (GUID of dependent assembly %s doesn't match (expected '%s', got '%s').\n", amodule->aot_name, amodule->image_names [index].name, amodule->image_guids [index], assembly->image->guid);
277 amodule->out_of_date = TRUE;
281 amodule->image_table [index] = assembly->image;
282 return assembly->image;
286 decode_value (guint8 *ptr, guint8 **rptr)
291 if ((b & 0x80) == 0){
294 } else if ((b & 0x40) == 0){
295 len = ((b & 0x3f) << 8 | ptr [1]);
297 } else if (b != 0xff) {
298 len = ((b & 0x1f) << 24) |
305 len = (ptr [1] << 24) | (ptr [2] << 16) | (ptr [3] << 8) | ptr [4];
311 //printf ("DECODE: %d.\n", len);
316 * mono_aot_get_offset:
318 * Decode an offset table emitted by emit_offset_table (), returning the INDEXth
322 mono_aot_get_offset (guint32 *table, int index)
324 int i, group, ngroups, index_entry_size;
325 int start_offset, offset, group_size;
326 guint8 *data_start, *p;
327 guint32 *index32 = NULL;
328 guint16 *index16 = NULL;
330 /* noffsets = table [0]; */
331 group_size = table [1];
333 index_entry_size = table [3];
334 group = index / group_size;
336 if (index_entry_size == 2) {
337 index16 = (guint16*)&table [4];
338 data_start = (guint8*)&index16 [ngroups];
339 p = data_start + index16 [group];
341 index32 = (guint32*)&table [4];
342 data_start = (guint8*)&index32 [ngroups];
343 p = data_start + index32 [group];
346 /* offset will contain the value of offsets [group * group_size] */
347 offset = start_offset = decode_value (p, &p);
348 for (i = group * group_size + 1; i <= index; ++i) {
349 offset += decode_value (p, &p);
352 //printf ("Offset lookup: %d -> %d, start=%d, p=%d\n", index, offset, start_offset, table [3 + group]);
358 decode_resolve_method_ref (MonoAotModule *module, guint8 *buf, guint8 **endbuf);
361 decode_klass_ref (MonoAotModule *module, guint8 *buf, guint8 **endbuf);
364 decode_type (MonoAotModule *module, guint8 *buf, guint8 **endbuf);
366 static MonoGenericInst*
367 decode_generic_inst (MonoAotModule *module, guint8 *buf, guint8 **endbuf)
370 MonoType **type_argv;
371 MonoGenericInst *inst;
374 type_argc = decode_value (p, &p);
375 type_argv = g_new0 (MonoType*, type_argc);
377 for (i = 0; i < type_argc; ++i) {
378 MonoClass *pclass = decode_klass_ref (module, p, &p);
383 type_argv [i] = &pclass->byval_arg;
386 inst = mono_metadata_get_generic_inst (type_argc, type_argv);
395 decode_generic_context (MonoAotModule *module, MonoGenericContext *ctx, guint8 *buf, guint8 **endbuf)
402 argc = decode_value (p, &p);
405 ctx->class_inst = decode_generic_inst (module, p, &p);
406 if (!ctx->class_inst)
410 argc = decode_value (p, &p);
413 ctx->method_inst = decode_generic_inst (module, p, &p);
414 if (!ctx->method_inst)
423 decode_klass_ref (MonoAotModule *module, guint8 *buf, guint8 **endbuf)
427 MonoClass *klass = NULL, *eklass;
428 guint32 token, rank, idx;
432 reftype = decode_value (p, &p);
439 case MONO_AOT_TYPEREF_TYPEDEF_INDEX:
440 idx = decode_value (p, &p);
441 image = load_image (module, 0, TRUE);
444 klass = mono_class_get_checked (image, MONO_TOKEN_TYPE_DEF + idx, &error);
445 g_assert (mono_error_ok (&error));
447 case MONO_AOT_TYPEREF_TYPEDEF_INDEX_IMAGE:
448 idx = decode_value (p, &p);
449 image = load_image (module, decode_value (p, &p), TRUE);
452 klass = mono_class_get_checked (image, MONO_TOKEN_TYPE_DEF + idx, &error);
453 g_assert (mono_error_ok (&error));
455 case MONO_AOT_TYPEREF_TYPESPEC_TOKEN:
456 token = decode_value (p, &p);
457 image = module->assembly->image;
460 klass = mono_class_get_checked (image, token, &error);
461 g_assert (mono_error_ok (&error));
463 case MONO_AOT_TYPEREF_GINST: {
465 MonoGenericContext ctx;
468 gclass = decode_klass_ref (module, p, &p);
471 g_assert (gclass->generic_container);
473 memset (&ctx, 0, sizeof (ctx));
474 ctx.class_inst = decode_generic_inst (module, p, &p);
477 type = mono_class_inflate_generic_type (&gclass->byval_arg, &ctx);
478 klass = mono_class_from_mono_type (type);
479 mono_metadata_free_type (type);
482 case MONO_AOT_TYPEREF_VAR: {
484 MonoGenericContainer *container = NULL;
485 gboolean has_constraint = decode_value (p, &p);
487 if (has_constraint) {
488 MonoClass *par_klass;
489 MonoType *gshared_constraint;
491 gshared_constraint = decode_type (module, p, &p);
492 if (!gshared_constraint)
495 par_klass = decode_klass_ref (module, p, &p);
499 t = mini_get_shared_gparam (&par_klass->byval_arg, gshared_constraint);
500 klass = mono_class_from_mono_type (t);
502 int type = decode_value (p, &p);
503 int num = decode_value (p, &p);
504 gboolean is_not_anonymous = decode_value (p, &p);
506 if (is_not_anonymous) {
507 gboolean is_method = decode_value (p, &p);
510 MonoMethod *method_def;
511 g_assert (type == MONO_TYPE_MVAR);
512 method_def = decode_resolve_method_ref (module, p, &p);
516 container = mono_method_get_generic_container (method_def);
518 MonoClass *class_def;
519 g_assert (type == MONO_TYPE_VAR);
520 class_def = decode_klass_ref (module, p, &p);
524 container = class_def->generic_container;
527 // We didn't decode is_method, so we have to infer it from type enum.
528 container = get_anonymous_container_for_image (module->assembly->image, type == MONO_TYPE_MVAR);
531 t = g_new0 (MonoType, 1);
532 t->type = (MonoTypeEnum)type;
533 if (is_not_anonymous) {
534 t->data.generic_param = mono_generic_container_get_param (container, num);
537 MonoGenericParam *par = (MonoGenericParam*)mono_image_alloc0 (module->assembly->image, sizeof (MonoGenericParamFull));
538 par->owner = container;
540 t->data.generic_param = par;
541 ((MonoGenericParamFull*)par)->info.name = make_generic_name_string (module->assembly->image, num);
543 // FIXME: Maybe use types directly to avoid
544 // the overhead of creating MonoClass-es
545 klass = mono_class_from_mono_type (t);
551 case MONO_AOT_TYPEREF_ARRAY:
553 rank = decode_value (p, &p);
554 eklass = decode_klass_ref (module, p, &p);
555 klass = mono_array_class_get (eklass, rank);
557 case MONO_AOT_TYPEREF_PTR: {
560 t = decode_type (module, p, &p);
563 klass = mono_class_from_mono_type (t);
567 case MONO_AOT_TYPEREF_BLOB_INDEX: {
568 guint32 offset = decode_value (p, &p);
571 p2 = module->blob + offset;
572 klass = decode_klass_ref (module, p2, &p2);
576 g_assert_not_reached ();
579 //printf ("BLA: %s\n", mono_type_full_name (&klass->byval_arg));
584 static MonoClassField*
585 decode_field_info (MonoAotModule *module, guint8 *buf, guint8 **endbuf)
587 MonoClass *klass = decode_klass_ref (module, buf, &buf);
594 token = MONO_TOKEN_FIELD_DEF + decode_value (p, &p);
598 return mono_class_get_field (klass, token);
602 * Parse a MonoType encoded by encode_type () in aot-compiler.c. Return malloc-ed
606 decode_type (MonoAotModule *module, guint8 *buf, guint8 **endbuf)
611 t = (MonoType *)g_malloc0 (sizeof (MonoType));
614 if (*p == MONO_TYPE_PINNED) {
617 } else if (*p == MONO_TYPE_BYREF) {
625 t->type = (MonoTypeEnum)*p;
630 case MONO_TYPE_BOOLEAN:
644 case MONO_TYPE_STRING:
645 case MONO_TYPE_OBJECT:
646 case MONO_TYPE_TYPEDBYREF:
648 case MONO_TYPE_VALUETYPE:
649 case MONO_TYPE_CLASS:
650 t->data.klass = decode_klass_ref (module, p, &p);
652 case MONO_TYPE_SZARRAY:
653 t->data.klass = decode_klass_ref (module, p, &p);
659 t->data.type = decode_type (module, p, &p);
661 case MONO_TYPE_GENERICINST: {
663 MonoGenericContext ctx;
667 gclass = decode_klass_ref (module, p, &p);
670 g_assert (gclass->generic_container);
672 memset (&ctx, 0, sizeof (ctx));
673 ctx.class_inst = decode_generic_inst (module, p, &p);
676 type = mono_class_inflate_generic_type (&gclass->byval_arg, &ctx);
677 klass = mono_class_from_mono_type (type);
678 t->data.generic_class = klass->generic_class;
681 case MONO_TYPE_ARRAY: {
682 MonoArrayType *array;
685 // FIXME: memory management
686 array = g_new0 (MonoArrayType, 1);
687 array->eklass = decode_klass_ref (module, p, &p);
690 array->rank = decode_value (p, &p);
691 array->numsizes = decode_value (p, &p);
694 array->sizes = (int *)g_malloc0 (sizeof (int) * array->numsizes);
695 for (i = 0; i < array->numsizes; ++i)
696 array->sizes [i] = decode_value (p, &p);
698 array->numlobounds = decode_value (p, &p);
699 if (array->numlobounds)
700 array->lobounds = (int *)g_malloc0 (sizeof (int) * array->numlobounds);
701 for (i = 0; i < array->numlobounds; ++i)
702 array->lobounds [i] = decode_value (p, &p);
703 t->data.array = array;
707 case MONO_TYPE_MVAR: {
708 MonoClass *klass = decode_klass_ref (module, p, &p);
711 t->data.generic_param = klass->byval_arg.data.generic_param;
715 g_assert_not_reached ();
723 // FIXME: Error handling, memory management
725 static MonoMethodSignature*
726 decode_signature_with_target (MonoAotModule *module, MonoMethodSignature *target, guint8 *buf, guint8 **endbuf)
728 MonoMethodSignature *sig;
730 int i, gen_param_count = 0, param_count, call_conv;
732 gboolean hasthis, explicit_this, has_gen_params;
736 has_gen_params = (flags & 0x10) != 0;
737 hasthis = (flags & 0x20) != 0;
738 explicit_this = (flags & 0x40) != 0;
739 call_conv = flags & 0x0F;
742 gen_param_count = decode_value (p, &p);
743 param_count = decode_value (p, &p);
744 if (target && param_count != target->param_count)
746 sig = (MonoMethodSignature *)g_malloc0 (MONO_SIZEOF_METHOD_SIGNATURE + param_count * sizeof (MonoType *));
747 sig->param_count = param_count;
748 sig->sentinelpos = -1;
749 sig->hasthis = hasthis;
750 sig->explicit_this = explicit_this;
751 sig->call_convention = call_conv;
752 sig->generic_param_count = gen_param_count;
753 sig->ret = decode_type (module, p, &p);
754 for (i = 0; i < param_count; ++i) {
755 if (*p == MONO_TYPE_SENTINEL) {
756 g_assert (sig->call_convention == MONO_CALL_VARARG);
757 sig->sentinelpos = i;
760 sig->params [i] = decode_type (module, p, &p);
763 if (sig->call_convention == MONO_CALL_VARARG && sig->sentinelpos == -1)
764 sig->sentinelpos = sig->param_count;
771 static MonoMethodSignature*
772 decode_signature (MonoAotModule *module, guint8 *buf, guint8 **endbuf)
774 return decode_signature_with_target (module, NULL, buf, endbuf);
778 sig_matches_target (MonoAotModule *module, MonoMethod *target, guint8 *buf, guint8 **endbuf)
780 MonoMethodSignature *sig;
784 sig = decode_signature_with_target (module, mono_method_signature (target), p, &p);
785 res = sig && mono_metadata_signature_equal (mono_method_signature (target), sig);
791 /* Stores information returned by decode_method_ref () */
796 gboolean no_aot_trampoline;
800 * decode_method_ref_with_target:
802 * Decode a method reference, storing the image/token into a MethodRef structure.
803 * This avoids loading metadata for the method if the caller does not need it. If the method has
804 * no token, then it is loaded from metadata and ref->method is set to the method instance.
805 * If TARGET is non-NULL, abort decoding if it can be determined that the decoded method
806 * couldn't resolve to TARGET, and return FALSE.
807 * There are some kinds of method references which only support a non-null TARGET.
808 * This means that its not possible to decode this into a method, only to check
809 * that the method reference matches a given method. This is normally not a problem
810 * as these wrappers only occur in the extra_methods table, where we already have
811 * a method we want to lookup.
814 decode_method_ref_with_target (MonoAotModule *module, MethodRef *ref, MonoMethod *target, guint8 *buf, guint8 **endbuf)
816 guint32 image_index, value;
817 MonoImage *image = NULL;
820 memset (ref, 0, sizeof (MethodRef));
822 value = decode_value (p, &p);
823 image_index = value >> 24;
825 if (image_index == MONO_AOT_METHODREF_NO_AOT_TRAMPOLINE) {
826 ref->no_aot_trampoline = TRUE;
827 value = decode_value (p, &p);
828 image_index = value >> 24;
831 if (image_index < MONO_AOT_METHODREF_MIN || image_index == MONO_AOT_METHODREF_METHODSPEC || image_index == MONO_AOT_METHODREF_GINST) {
832 if (target && target->wrapper_type)
836 if (image_index == MONO_AOT_METHODREF_WRAPPER) {
838 guint32 wrapper_type;
840 wrapper_type = decode_value (p, &p);
842 if (target && target->wrapper_type != wrapper_type)
846 image = mono_defaults.corlib;
848 switch (wrapper_type) {
849 #ifndef DISABLE_REMOTING
850 case MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK: {
851 MonoMethod *m = decode_resolve_method_ref (module, p, &p);
855 mono_class_init (m->klass);
859 ref->method = mono_marshal_get_remoting_invoke_with_check (m);
862 case MONO_WRAPPER_PROXY_ISINST: {
863 MonoClass *klass = decode_klass_ref (module, p, &p);
866 ref->method = mono_marshal_get_proxy_cancast (klass);
869 case MONO_WRAPPER_LDFLD:
870 case MONO_WRAPPER_LDFLDA:
871 case MONO_WRAPPER_STFLD:
872 case MONO_WRAPPER_ISINST: {
873 MonoClass *klass = decode_klass_ref (module, p, &p);
876 if (wrapper_type == MONO_WRAPPER_LDFLD)
877 ref->method = mono_marshal_get_ldfld_wrapper (&klass->byval_arg);
878 else if (wrapper_type == MONO_WRAPPER_LDFLDA)
879 ref->method = mono_marshal_get_ldflda_wrapper (&klass->byval_arg);
880 else if (wrapper_type == MONO_WRAPPER_STFLD)
881 ref->method = mono_marshal_get_stfld_wrapper (&klass->byval_arg);
882 else if (wrapper_type == MONO_WRAPPER_ISINST)
883 ref->method = mono_marshal_get_isinst (klass);
885 g_assert_not_reached ();
888 case MONO_WRAPPER_LDFLD_REMOTE:
889 ref->method = mono_marshal_get_ldfld_remote_wrapper (NULL);
891 case MONO_WRAPPER_STFLD_REMOTE:
892 ref->method = mono_marshal_get_stfld_remote_wrapper (NULL);
895 case MONO_WRAPPER_ALLOC: {
896 int atype = decode_value (p, &p);
898 ref->method = mono_gc_get_managed_allocator_by_type (atype, !!(mono_profiler_get_events () & MONO_PROFILE_ALLOCATIONS));
900 g_error ("Error: No managed allocator, but we need one for AOT.\nAre you using non-standard GC options?\n");
903 case MONO_WRAPPER_WRITE_BARRIER: {
904 ref->method = mono_gc_get_write_barrier ();
907 case MONO_WRAPPER_STELEMREF: {
908 int subtype = decode_value (p, &p);
910 if (subtype == WRAPPER_SUBTYPE_NONE) {
911 ref->method = mono_marshal_get_stelemref ();
912 } else if (subtype == WRAPPER_SUBTYPE_VIRTUAL_STELEMREF) {
915 kind = decode_value (p, &p);
917 /* Can't decode this */
920 if (target->wrapper_type == MONO_WRAPPER_STELEMREF) {
921 info = mono_marshal_get_wrapper_info (target);
924 if (info->subtype == subtype && info->d.virtual_stelemref.kind == kind)
925 ref->method = target;
932 g_assert_not_reached ();
936 case MONO_WRAPPER_SYNCHRONIZED: {
937 MonoMethod *m = decode_resolve_method_ref (module, p, &p);
941 ref->method = mono_marshal_get_synchronized_wrapper (m);
944 case MONO_WRAPPER_UNKNOWN: {
945 int subtype = decode_value (p, &p);
947 if (subtype == WRAPPER_SUBTYPE_PTR_TO_STRUCTURE || subtype == WRAPPER_SUBTYPE_STRUCTURE_TO_PTR) {
948 MonoClass *klass = decode_klass_ref (module, p, &p);
955 if (klass != target->klass)
958 if (subtype == WRAPPER_SUBTYPE_PTR_TO_STRUCTURE) {
959 if (strcmp (target->name, "PtrToStructure"))
961 ref->method = mono_marshal_get_ptr_to_struct (klass);
963 if (strcmp (target->name, "StructureToPtr"))
965 ref->method = mono_marshal_get_struct_to_ptr (klass);
967 } else if (subtype == WRAPPER_SUBTYPE_SYNCHRONIZED_INNER) {
968 MonoMethod *m = decode_resolve_method_ref (module, p, &p);
972 ref->method = mono_marshal_get_synchronized_inner_wrapper (m);
973 } else if (subtype == WRAPPER_SUBTYPE_ARRAY_ACCESSOR) {
974 MonoMethod *m = decode_resolve_method_ref (module, p, &p);
978 ref->method = mono_marshal_get_array_accessor_wrapper (m);
979 } else if (subtype == WRAPPER_SUBTYPE_GSHAREDVT_IN) {
980 ref->method = mono_marshal_get_gsharedvt_in_wrapper ();
981 } else if (subtype == WRAPPER_SUBTYPE_GSHAREDVT_OUT) {
982 ref->method = mono_marshal_get_gsharedvt_out_wrapper ();
983 } else if (subtype == WRAPPER_SUBTYPE_GSHAREDVT_IN_SIG) {
984 MonoMethodSignature *sig = decode_signature (module, p, &p);
987 ref->method = mini_get_gsharedvt_in_sig_wrapper (sig);
988 } else if (subtype == WRAPPER_SUBTYPE_GSHAREDVT_OUT_SIG) {
989 MonoMethodSignature *sig = decode_signature (module, p, &p);
992 ref->method = mini_get_gsharedvt_out_sig_wrapper (sig);
994 g_assert_not_reached ();
998 case MONO_WRAPPER_MANAGED_TO_MANAGED: {
999 int subtype = decode_value (p, &p);
1001 if (subtype == WRAPPER_SUBTYPE_ELEMENT_ADDR) {
1002 int rank = decode_value (p, &p);
1003 int elem_size = decode_value (p, &p);
1005 ref->method = mono_marshal_get_array_address (rank, elem_size);
1006 } else if (subtype == WRAPPER_SUBTYPE_STRING_CTOR) {
1009 m = decode_resolve_method_ref (module, p, &p);
1015 g_assert (target->wrapper_type == MONO_WRAPPER_MANAGED_TO_MANAGED);
1017 info = mono_marshal_get_wrapper_info (target);
1018 if (info && info->subtype == subtype && info->d.string_ctor.method == m)
1019 ref->method = target;
1025 case MONO_WRAPPER_MANAGED_TO_NATIVE: {
1027 int subtype = decode_value (p, &p);
1030 if (subtype == WRAPPER_SUBTYPE_ICALL_WRAPPER) {
1035 if (strcmp (target->name, name) != 0)
1037 ref->method = target;
1039 m = decode_resolve_method_ref (module, p, &p);
1044 /* This should only happen when looking for an extra method */
1047 if (mono_marshal_method_from_wrapper (target) == m)
1048 ref->method = target;
1054 case MONO_WRAPPER_CASTCLASS: {
1055 int subtype = decode_value (p, &p);
1057 if (subtype == WRAPPER_SUBTYPE_CASTCLASS_WITH_CACHE)
1058 ref->method = mono_marshal_get_castclass_with_cache ();
1059 else if (subtype == WRAPPER_SUBTYPE_ISINST_WITH_CACHE)
1060 ref->method = mono_marshal_get_isinst_with_cache ();
1062 g_assert_not_reached ();
1065 case MONO_WRAPPER_RUNTIME_INVOKE: {
1066 int subtype = decode_value (p, &p);
1067 int pass_rgctx = decode_value (p, &p);
1072 if (subtype == WRAPPER_SUBTYPE_RUNTIME_INVOKE_DYNAMIC) {
1073 if (strcmp (target->name, "runtime_invoke_dynamic") != 0)
1075 ref->method = target;
1076 } else if (subtype == WRAPPER_SUBTYPE_RUNTIME_INVOKE_DIRECT) {
1077 /* Direct wrapper */
1078 MonoMethod *m = decode_resolve_method_ref (module, p, &p);
1082 ref->method = mono_marshal_get_runtime_invoke (m, FALSE, pass_rgctx);
1083 } else if (subtype == WRAPPER_SUBTYPE_RUNTIME_INVOKE_VIRTUAL) {
1084 /* Virtual direct wrapper */
1085 MonoMethod *m = decode_resolve_method_ref (module, p, &p);
1089 ref->method = mono_marshal_get_runtime_invoke (m, TRUE, pass_rgctx);
1091 MonoMethodSignature *sig;
1093 sig = decode_signature_with_target (module, NULL, p, &p);
1094 info = mono_marshal_get_wrapper_info (target);
1097 if (info->subtype != subtype)
1099 if (info->d.runtime_invoke.pass_rgctx != pass_rgctx)
1101 g_assert (info->d.runtime_invoke.sig);
1102 if (mono_metadata_signature_equal (sig, info->d.runtime_invoke.sig))
1103 ref->method = target;
1109 case MONO_WRAPPER_DELEGATE_INVOKE:
1110 case MONO_WRAPPER_DELEGATE_BEGIN_INVOKE:
1111 case MONO_WRAPPER_DELEGATE_END_INVOKE: {
1112 gboolean is_inflated = decode_value (p, &p);
1113 WrapperSubtype subtype;
1117 MonoMethod *invoke, *wrapper;
1119 klass = decode_klass_ref (module, p, &p);
1123 switch (wrapper_type) {
1124 case MONO_WRAPPER_DELEGATE_INVOKE:
1125 invoke = mono_get_delegate_invoke (klass);
1126 wrapper = mono_marshal_get_delegate_invoke (invoke, NULL);
1128 case MONO_WRAPPER_DELEGATE_BEGIN_INVOKE:
1129 invoke = mono_get_delegate_begin_invoke (klass);
1130 wrapper = mono_marshal_get_delegate_begin_invoke (invoke);
1132 case MONO_WRAPPER_DELEGATE_END_INVOKE:
1133 invoke = mono_get_delegate_end_invoke (klass);
1134 wrapper = mono_marshal_get_delegate_end_invoke (invoke);
1137 g_assert_not_reached ();
1142 * Due to the way mini_get_shared_method () works, we could end up with
1143 * multiple copies of the same wrapper.
1145 if (wrapper->klass != target->klass)
1147 ref->method = target;
1149 ref->method = wrapper;
1153 * These wrappers are associated with a signature, not with a method.
1154 * Since we can't decode them into methods, they need a target method.
1159 if (wrapper_type == MONO_WRAPPER_DELEGATE_INVOKE) {
1160 subtype = (WrapperSubtype)decode_value (p, &p);
1161 info = mono_marshal_get_wrapper_info (target);
1163 if (info->subtype != subtype)
1166 if (subtype != WRAPPER_SUBTYPE_NONE)
1170 if (sig_matches_target (module, target, p, &p))
1171 ref->method = target;
1177 case MONO_WRAPPER_NATIVE_TO_MANAGED: {
1181 m = decode_resolve_method_ref (module, p, &p);
1184 klass = decode_klass_ref (module, p, &p);
1187 ref->method = mono_marshal_get_managed_wrapper (m, klass, 0);
1191 g_assert_not_reached ();
1193 } else if (image_index == MONO_AOT_METHODREF_METHODSPEC) {
1194 image_index = decode_value (p, &p);
1195 ref->token = decode_value (p, &p);
1197 image = load_image (module, image_index, TRUE);
1200 } else if (image_index == MONO_AOT_METHODREF_GINST) {
1203 MonoGenericContext ctx;
1206 * These methods do not have a token which resolves them, so we
1207 * resolve them immediately.
1209 klass = decode_klass_ref (module, p, &p);
1213 if (target && target->klass != klass)
1216 image_index = decode_value (p, &p);
1217 ref->token = decode_value (p, &p);
1219 image = load_image (module, image_index, TRUE);
1223 ref->method = mono_get_method_full (image, ref->token, NULL, NULL);
1227 memset (&ctx, 0, sizeof (ctx));
1229 if (FALSE && klass->generic_class) {
1230 ctx.class_inst = klass->generic_class->context.class_inst;
1231 ctx.method_inst = NULL;
1233 ref->method = mono_class_inflate_generic_method_full_checked (ref->method, klass, &ctx, &error);
1234 g_assert (mono_error_ok (&error)); /* FIXME don't swallow the error */
1237 memset (&ctx, 0, sizeof (ctx));
1239 if (!decode_generic_context (module, &ctx, p, &p))
1242 ref->method = mono_class_inflate_generic_method_full_checked (ref->method, klass, &ctx, &error);
1243 g_assert (mono_error_ok (&error)); /* FIXME don't swallow the error */
1244 } else if (image_index == MONO_AOT_METHODREF_ARRAY) {
1248 klass = decode_klass_ref (module, p, &p);
1251 method_type = decode_value (p, &p);
1252 switch (method_type) {
1254 ref->method = mono_class_get_method_from_name (klass, ".ctor", klass->rank);
1257 ref->method = mono_class_get_method_from_name (klass, ".ctor", klass->rank * 2);
1260 ref->method = mono_class_get_method_from_name (klass, "Get", -1);
1263 ref->method = mono_class_get_method_from_name (klass, "Address", -1);
1266 ref->method = mono_class_get_method_from_name (klass, "Set", -1);
1269 g_assert_not_reached ();
1272 if (image_index == MONO_AOT_METHODREF_LARGE_IMAGE_INDEX) {
1273 image_index = decode_value (p, &p);
1274 value = decode_value (p, &p);
1277 ref->token = MONO_TOKEN_METHOD_DEF | (value & 0xffffff);
1279 image = load_image (module, image_index, TRUE);
1292 decode_method_ref (MonoAotModule *module, MethodRef *ref, guint8 *buf, guint8 **endbuf)
1294 return decode_method_ref_with_target (module, ref, NULL, buf, endbuf);
1298 * decode_resolve_method_ref_with_target:
1300 * Similar to decode_method_ref, but resolve and return the method itself.
1303 decode_resolve_method_ref_with_target (MonoAotModule *module, MonoMethod *target, guint8 *buf, guint8 **endbuf)
1308 res = decode_method_ref_with_target (module, &ref, target, buf, endbuf);
1315 return mono_get_method (ref.image, ref.token, NULL);
1319 decode_resolve_method_ref (MonoAotModule *module, guint8 *buf, guint8 **endbuf)
1321 return decode_resolve_method_ref_with_target (module, NULL, buf, endbuf);
1324 #ifdef ENABLE_AOT_CACHE
1330 * - Add options for controlling the cache size
1331 * - Handle full cache by deleting old assemblies lru style
1332 * - Maybe add a threshold after an assembly is AOT compiled
1333 * - Add options for enabling this for specific main assemblies
1336 /* The cache directory */
1337 static char *cache_dir;
1339 /* The number of assemblies AOTed in this run */
1340 static int cache_count;
1342 /* Whenever to AOT in-process */
1343 static gboolean in_process;
1346 collect_assemblies (gpointer data, gpointer user_data)
1348 MonoAssembly *ass = data;
1349 GSList **l = user_data;
1351 *l = g_slist_prepend (*l, ass);
1354 #define SHA1_DIGEST_LENGTH 20
1357 * get_aot_config_hash:
1359 * Return a hash for all the version information an AOT module depends on.
1361 static G_GNUC_UNUSED char*
1362 get_aot_config_hash (MonoAssembly *assembly)
1365 GSList *l, *assembly_list = NULL;
1368 guint8 digest [SHA1_DIGEST_LENGTH];
1371 build_info = mono_get_runtime_build_info ();
1373 s = g_string_new (build_info);
1375 mono_assembly_foreach (collect_assemblies, &assembly_list);
1378 * The assembly list includes the current assembly as well, no need
1381 for (l = assembly_list; l; l = l->next) {
1382 MonoAssembly *ass = l->data;
1384 g_string_append (s, "_");
1385 g_string_append (s, ass->aname.name);
1386 g_string_append (s, "_");
1387 g_string_append (s, ass->image->guid);
1390 for (i = 0; i < s->len; ++i) {
1391 if (!isalnum (s->str [i]) && s->str [i] != '-')
1395 mono_sha1_get_digest ((guint8*)s->str, s->len, digest);
1397 digest_str = g_malloc0 ((SHA1_DIGEST_LENGTH * 2) + 1);
1398 for (i = 0; i < SHA1_DIGEST_LENGTH; ++i)
1399 sprintf (digest_str + (i * 2), "%02x", digest [i]);
1401 mono_trace (G_LOG_LEVEL_MESSAGE, MONO_TRACE_AOT, "AOT: file dependencies: %s, hash %s", s->str, digest_str);
1403 g_string_free (s, TRUE);
1409 aot_cache_init (void)
1413 enable_aot_cache = TRUE;
1418 * aot_cache_load_module:
1420 * Load the AOT image corresponding to ASSEMBLY from the aot cache, AOTing it if neccessary.
1423 aot_cache_load_module (MonoAssembly *assembly, char **aot_name)
1425 MonoAotCacheConfig *config;
1427 char *fname, *tmp2, *aot_options, *failure_fname;
1439 if (image_is_dynamic (assembly->image))
1442 /* Check in the list of assemblies enabled for aot caching */
1443 config = mono_get_aot_cache_config ();
1447 MonoDomain *domain = mono_domain_get ();
1448 MonoAssembly *entry_assembly = domain->entry_assembly;
1450 // FIXME: This cannot be used for mscorlib during startup, since entry_assembly is not set yet
1451 for (l = config->apps; l; l = l->next) {
1454 if ((entry_assembly && !strcmp (entry_assembly->aname.name, n)) || (!entry_assembly && !strcmp (assembly->aname.name, n)))
1462 for (l = config->assemblies; l; l = l->next) {
1465 if (!strcmp (assembly->aname.name, n))
1475 home = g_get_home_dir ();
1478 cache_dir = g_strdup_printf ("%s/Library/Caches/mono/aot-cache", home);
1479 if (!g_file_test (cache_dir, G_FILE_TEST_EXISTS|G_FILE_TEST_IS_DIR))
1480 g_mkdir_with_parents (cache_dir, 0777);
1484 * The same assembly can be used in multiple configurations, i.e. multiple
1485 * versions of the runtime, with multiple versions of dependent assemblies etc.
1486 * To handle this, we compute a version string containing all this information, hash it,
1487 * and use the hash as a filename suffix.
1489 hash = get_aot_config_hash (assembly);
1491 tmp2 = g_strdup_printf ("%s-%s%s", assembly->image->assembly_name, hash, MONO_SOLIB_EXT);
1492 fname = g_build_filename (cache_dir, tmp2, NULL);
1496 mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_AOT, "AOT: loading from cache: '%s'.", fname);
1497 module = mono_dl_open (fname, MONO_DL_LAZY, NULL);
1500 mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_AOT, "AOT: found in cache: '%s'.", fname);
1504 if (!strcmp (assembly->aname.name, "mscorlib") && !mscorlib_aot_loaded)
1506 * Can't AOT this during startup, so we AOT it when called later from
1507 * mono_aot_get_method ().
1511 mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_AOT, "AOT: not found.");
1513 /* Only AOT one assembly per run to avoid slowing down execution too much */
1514 if (cache_count > 0)
1518 /* Check for previous failure */
1519 failure_fname = g_strdup_printf ("%s.failure", fname);
1520 failure_file = fopen (failure_fname, "r");
1522 mono_trace (G_LOG_LEVEL_MESSAGE, MONO_TRACE_AOT, "AOT: assembly '%s' previously failed to compile '%s' ('%s')... ", assembly->image->name, fname, failure_fname);
1523 g_free (failure_fname);
1526 g_free (failure_fname);
1527 fclose (failure_file);
1530 mono_trace (G_LOG_LEVEL_MESSAGE, MONO_TRACE_AOT, "AOT: compiling assembly '%s', logfile: '%s.log'... ", assembly->image->name, fname);
1533 * We need to invoke the AOT compiler here. There are multiple approaches:
1534 * - spawn a new runtime process. This can be hard when running with mkbundle, and
1535 * its hard to make the new process load the same set of assemblies.
1536 * - doing it in-process. This exposes the current process to bugs/leaks/side effects of
1538 * - fork a new process and do the work there.
1541 aot_options = g_strdup_printf ("outfile=%s,internal-logfile=%s.log%s%s", fname, fname, config->aot_options ? "," : "", config->aot_options ? config->aot_options : "");
1542 /* Maybe due this in another thread ? */
1543 res = mono_compile_assembly (assembly, mono_parse_default_optimizations (NULL), aot_options);
1545 mono_trace (G_LOG_LEVEL_MESSAGE, MONO_TRACE_AOT, "AOT: compilation failed.");
1546 failure_fname = g_strdup_printf ("%s.failure", fname);
1547 failure_file = fopen (failure_fname, "a+");
1548 fclose (failure_file);
1549 g_free (failure_fname);
1551 mono_trace (G_LOG_LEVEL_MESSAGE, MONO_TRACE_AOT, "AOT: compilation succeeded.");
1555 * - Avoid waiting for the aot process to finish ?
1556 * (less overhead, but multiple processes could aot the same assembly at the same time)
1565 logfile_name = g_strdup_printf ("%s/aot.log", cache_dir);
1566 logfile = fopen (logfile_name, "a+");
1567 g_free (logfile_name);
1569 dup2 (fileno (logfile), 1);
1570 dup2 (fileno (logfile), 2);
1572 aot_options = g_strdup_printf ("outfile=%s", fname);
1573 res = mono_compile_assembly (assembly, mono_parse_default_optimizations (NULL), aot_options);
1581 waitpid (pid, &exit_status, 0);
1582 if (!WIFEXITED (exit_status) && (WEXITSTATUS (exit_status) == 0))
1583 mono_trace (G_LOG_LEVEL_MESSAGE, MONO_TRACE_AOT, "AOT: failed.");
1585 mono_trace (G_LOG_LEVEL_MESSAGE, MONO_TRACE_AOT, "AOT: succeeded.");
1589 module = mono_dl_open (fname, MONO_DL_LAZY, NULL);
1597 aot_cache_init (void)
1602 aot_cache_load_module (MonoAssembly *assembly, char **aot_name)
1610 find_symbol (MonoDl *module, gpointer *globals, const char *name, gpointer *value)
1614 guint16 *table, *entry;
1617 char *symbol = (char*)name;
1620 symbol = g_strdup_printf ("_%s", name);
1623 /* The first entry points to the hash */
1624 table = (guint16 *)globals [0];
1627 table_size = table [0];
1630 hash = mono_metadata_str_hash (symbol) % table_size;
1632 entry = &table [hash * 2];
1634 /* Search the hash for the index into the globals table */
1636 while (entry [0] != 0) {
1637 guint32 index = entry [0] - 1;
1638 guint32 next = entry [1];
1640 //printf ("X: %s %s\n", (char*)globals [index * 2], name);
1642 if (!strcmp (globals [index * 2], symbol)) {
1643 global_index = index;
1648 entry = &table [next * 2];
1654 if (global_index != -1)
1655 *value = globals [global_index * 2 + 1];
1662 char *err = mono_dl_symbol (module, name, value);
1670 mono_install_load_aot_data_hook (MonoLoadAotDataFunc load_func, MonoFreeAotDataFunc free_func, gpointer user_data)
1672 aot_data_load_func = load_func;
1673 aot_data_free_func = free_func;
1674 aot_data_func_user_data = user_data;
1677 /* Load the separate aot data file for ASSEMBLY */
1679 open_aot_data (MonoAssembly *assembly, MonoAotFileInfo *info, void **ret_handle)
1685 if (aot_data_load_func) {
1686 data = aot_data_load_func (assembly, info->datafile_size, aot_data_func_user_data, ret_handle);
1692 * Use <assembly name>.aotdata as the default implementation if no callback is given
1694 filename = g_strdup_printf ("%s.aotdata", assembly->image->name);
1695 map = mono_file_map_open (filename);
1697 data = mono_file_map (info->datafile_size, MONO_MMAP_READ, mono_file_map_fd (map), 0, ret_handle);
1704 check_usable (MonoAssembly *assembly, MonoAotFileInfo *info, guint8 *blob, char **out_msg)
1708 gboolean usable = TRUE;
1709 gboolean full_aot, safepoints;
1710 guint32 excluded_cpu_optimizations;
1712 if (strcmp (assembly->image->guid, info->assembly_guid)) {
1713 msg = g_strdup_printf ("doesn't match assembly");
1717 build_info = mono_get_runtime_build_info ();
1718 if (strlen ((const char *)info->runtime_version) > 0 && strcmp (info->runtime_version, build_info)) {
1719 msg = g_strdup_printf ("compiled against runtime version '%s' while this runtime has version '%s'", info->runtime_version, build_info);
1722 g_free (build_info);
1724 full_aot = info->flags & MONO_AOT_FILE_FLAG_FULL_AOT;
1726 if (mono_aot_only && !full_aot) {
1727 msg = g_strdup_printf ("not compiled with --aot=full");
1730 if (!mono_aot_only && full_aot) {
1731 msg = g_strdup_printf ("compiled with --aot=full");
1734 if (mono_llvm_only && !(info->flags & MONO_AOT_FILE_FLAG_LLVM_ONLY)) {
1735 msg = g_strdup_printf ("not compiled with --aot=llvmonly");
1739 /* mono_arch_find_imt_method () requires this */
1740 if ((info->flags & MONO_AOT_FILE_FLAG_WITH_LLVM) && !mono_use_llvm) {
1741 msg = g_strdup_printf ("compiled against LLVM");
1744 if (!(info->flags & MONO_AOT_FILE_FLAG_WITH_LLVM) && mono_use_llvm) {
1745 msg = g_strdup_printf ("not compiled against LLVM");
1749 if (mini_get_debug_options ()->mdb_optimizations && !(info->flags & MONO_AOT_FILE_FLAG_DEBUG) && !full_aot) {
1750 msg = g_strdup_printf ("not compiled for debugging");
1754 mono_arch_cpu_optimizations (&excluded_cpu_optimizations);
1755 if (info->opts & excluded_cpu_optimizations) {
1756 msg = g_strdup_printf ("compiled with unsupported CPU optimizations");
1760 if (!mono_aot_only && (info->simd_opts & ~mono_arch_cpu_enumerate_simd_versions ())) {
1761 msg = g_strdup_printf ("compiled with unsupported SIMD extensions");
1765 if (info->gc_name_index != -1) {
1766 char *gc_name = (char*)&blob [info->gc_name_index];
1767 const char *current_gc_name = mono_gc_get_gc_name ();
1769 if (strcmp (current_gc_name, gc_name) != 0) {
1770 msg = g_strdup_printf ("compiled against GC %s, while the current runtime uses GC %s.\n", gc_name, current_gc_name);
1775 safepoints = info->flags & MONO_AOT_FILE_FLAG_SAFEPOINTS;
1777 if (!safepoints && mono_threads_is_coop_enabled ()) {
1778 msg = g_strdup_printf ("not compiled with safepoints");
1787 * TABLE should point to a table of call instructions. Return the address called by the INDEXth entry.
1790 get_call_table_entry (void *table, int index)
1792 #if defined(TARGET_ARM)
1797 ins_addr = (guint32*)table + index;
1799 if ((ins >> ARMCOND_SHIFT) == ARMCOND_NV) {
1801 offset = (((int)(((ins & 0xffffff) << 1) | ((ins >> 24) & 0x1))) << 7) >> 7;
1802 return (char*)ins_addr + (offset * 2) + 8 + 1;
1804 offset = (((int)ins & 0xffffff) << 8) >> 8;
1805 return (char*)ins_addr + (offset * 4) + 8;
1807 #elif defined(TARGET_ARM64)
1808 return mono_arch_get_call_target ((guint8*)table + (index * 4) + 4);
1809 #elif defined(TARGET_X86) || defined(TARGET_AMD64)
1810 /* The callee expects an ip which points after the call */
1811 return mono_arch_get_call_target ((guint8*)table + (index * 5) + 5);
1813 g_assert_not_reached ();
1821 * Initialize the shared got entries for AMODULE.
1824 init_amodule_got (MonoAotModule *amodule)
1828 MonoJumpInfo *patches;
1829 guint32 got_offsets [128];
1832 /* These can't be initialized in load_aot_module () */
1833 if (amodule->shared_got [0] || amodule->got_initializing)
1836 amodule->got_initializing = TRUE;
1838 mp = mono_mempool_new ();
1839 npatches = amodule->info.nshared_got_entries;
1840 for (i = 0; i < npatches; ++i)
1841 got_offsets [i] = i;
1842 patches = decode_patches (amodule, mp, npatches, FALSE, got_offsets);
1844 for (i = 0; i < npatches; ++i) {
1847 if (ji->type == MONO_PATCH_INFO_GC_CARD_TABLE_ADDR && !mono_gc_is_moving ()) {
1848 amodule->shared_got [i] = NULL;
1849 } else if (ji->type == MONO_PATCH_INFO_GC_NURSERY_START && !mono_gc_is_moving ()) {
1850 amodule->shared_got [i] = NULL;
1851 } else if (ji->type == MONO_PATCH_INFO_GC_NURSERY_BITS && !mono_gc_is_moving ()) {
1852 amodule->shared_got [i] = NULL;
1853 } else if (ji->type == MONO_PATCH_INFO_IMAGE) {
1854 amodule->shared_got [i] = amodule->assembly->image;
1855 } else if (ji->type == MONO_PATCH_INFO_MSCORLIB_GOT_ADDR) {
1856 if (mono_defaults.corlib) {
1857 MonoAotModule *mscorlib_amodule = (MonoAotModule *)mono_defaults.corlib->aot_module;
1859 if (mscorlib_amodule)
1860 amodule->shared_got [i] = mscorlib_amodule->got;
1862 amodule->shared_got [i] = amodule->got;
1864 } else if (ji->type == MONO_PATCH_INFO_AOT_MODULE) {
1865 amodule->shared_got [i] = amodule;
1867 amodule->shared_got [i] = mono_resolve_patch_target (NULL, mono_get_root_domain (), NULL, ji, FALSE);
1872 for (i = 0; i < npatches; ++i)
1873 amodule->got [i] = amodule->shared_got [i];
1875 if (amodule->llvm_got) {
1876 for (i = 0; i < npatches; ++i)
1877 amodule->llvm_got [i] = amodule->shared_got [i];
1880 mono_mempool_destroy (mp);
1884 load_aot_module (MonoAssembly *assembly, gpointer user_data)
1887 MonoAotModule *amodule;
1889 gboolean usable = TRUE;
1890 char *version_symbol = NULL;
1892 gpointer *globals = NULL;
1893 MonoAotFileInfo *info = NULL;
1895 gboolean do_load_image = TRUE;
1896 int align_double, align_int64;
1897 guint8 *aot_data = NULL;
1899 if (mono_compile_aot)
1902 if (assembly->image->aot_module)
1904 * Already loaded. This can happen because the assembly loading code might invoke
1905 * the assembly load hooks multiple times for the same assembly.
1909 if (image_is_dynamic (assembly->image) || assembly->ref_only)
1913 if (static_aot_modules)
1914 info = (MonoAotFileInfo *)g_hash_table_lookup (static_aot_modules, assembly->aname.name);
1922 /* Statically linked AOT module */
1923 aot_name = g_strdup_printf ("%s", assembly->aname.name);
1924 mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_AOT, "Found statically linked AOT module '%s'.\n", aot_name);
1925 globals = (void **)info->globals;
1927 if (enable_aot_cache)
1928 sofile = aot_cache_load_module (assembly, &aot_name);
1931 aot_name = g_strdup_printf ("%s%s", assembly->image->name, MONO_SOLIB_EXT);
1933 sofile = mono_dl_open (aot_name, MONO_DL_LAZY, &err);
1936 mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_AOT, "AOT module '%s' not found: %s\n", aot_name, err);
1939 aot_name = g_strdup_printf ("%s/mono/aot-cache/%s/%s%s", mono_assembly_getrootdir(), MONO_ARCHITECTURE, g_path_get_basename (assembly->image->name), MONO_SOLIB_EXT);
1940 sofile = mono_dl_open (aot_name, MONO_DL_LAZY, &err);
1942 mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_AOT, "AOT module '%s' not found: %s\n", aot_name, err);
1950 if (!sofile && !globals) {
1951 if (mono_aot_only && assembly->image->tables [MONO_TABLE_METHOD].rows)
1952 g_error ("Failed to load AOT module '%s' in aot-only mode.\n", aot_name);
1958 find_symbol (sofile, globals, "mono_aot_version", (gpointer *) &version_symbol);
1959 find_symbol (sofile, globals, "mono_aot_file_info", (gpointer*)&info);
1962 if (version_symbol) {
1963 /* Old file format */
1964 version = atoi (version_symbol);
1967 version = info->version;
1970 if (version != MONO_AOT_FILE_VERSION) {
1971 msg = g_strdup_printf ("wrong file format version (expected %d got %d)", MONO_AOT_FILE_VERSION, version);
1977 if (info->flags & MONO_AOT_FILE_FLAG_SEPARATE_DATA) {
1978 aot_data = open_aot_data (assembly, info, &handle);
1980 blob = aot_data + info->table_offsets [MONO_AOT_TABLE_BLOB];
1982 blob = (guint8 *)info->blob;
1985 usable = check_usable (assembly, info, blob, &msg);
1989 if (mono_aot_only) {
1990 g_error ("Failed to load AOT module '%s' while running in aot-only mode: %s.\n", aot_name, msg);
1992 mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_AOT, "AOT: module %s is unusable: %s.\n", aot_name, msg);
1997 mono_dl_close (sofile);
1998 assembly->image->aot_module = NULL;
2003 align_double = MONO_ABI_ALIGNOF (double);
2004 align_int64 = MONO_ABI_ALIGNOF (gint64);
2005 g_assert (info->double_align == align_double);
2006 g_assert (info->long_align == align_int64);
2007 g_assert (info->generic_tramp_num == MONO_TRAMPOLINE_NUM);
2009 amodule = g_new0 (MonoAotModule, 1);
2010 amodule->aot_name = aot_name;
2011 amodule->assembly = assembly;
2013 memcpy (&amodule->info, info, sizeof (*info));
2015 amodule->got = (void **)amodule->info.jit_got;
2016 amodule->llvm_got = (void **)amodule->info.llvm_got;
2017 amodule->globals = globals;
2018 amodule->sofile = sofile;
2019 amodule->method_to_code = g_hash_table_new (mono_aligned_addr_hash, NULL);
2020 amodule->extra_methods = g_hash_table_new (NULL, NULL);
2021 amodule->shared_got = g_new0 (gpointer, info->nshared_got_entries);
2023 if (info->flags & MONO_AOT_FILE_FLAG_SEPARATE_DATA) {
2024 for (i = 0; i < MONO_AOT_TABLE_NUM; ++i)
2025 amodule->tables [i] = aot_data + info->table_offsets [i];
2028 mono_os_mutex_init_recursive (&amodule->mutex);
2030 /* Read image table */
2032 guint32 table_len, i;
2035 if (info->flags & MONO_AOT_FILE_FLAG_SEPARATE_DATA)
2036 table = amodule->tables [MONO_AOT_TABLE_IMAGE_TABLE];
2038 table = (char *)info->image_table;
2041 table_len = *(guint32*)table;
2042 table += sizeof (guint32);
2043 amodule->image_table = g_new0 (MonoImage*, table_len);
2044 amodule->image_names = g_new0 (MonoAssemblyName, table_len);
2045 amodule->image_guids = g_new0 (char*, table_len);
2046 amodule->image_table_len = table_len;
2047 for (i = 0; i < table_len; ++i) {
2048 MonoAssemblyName *aname = &(amodule->image_names [i]);
2050 aname->name = g_strdup (table);
2051 table += strlen (table) + 1;
2052 amodule->image_guids [i] = g_strdup (table);
2053 table += strlen (table) + 1;
2055 aname->culture = g_strdup (table);
2056 table += strlen (table) + 1;
2057 memcpy (aname->public_key_token, table, strlen (table) + 1);
2058 table += strlen (table) + 1;
2060 table = (char *)ALIGN_PTR_TO (table, 8);
2061 aname->flags = *(guint32*)table;
2063 aname->major = *(guint32*)table;
2065 aname->minor = *(guint32*)table;
2067 aname->build = *(guint32*)table;
2069 aname->revision = *(guint32*)table;
2074 amodule->jit_code_start = (guint8 *)info->jit_code_start;
2075 amodule->jit_code_end = (guint8 *)info->jit_code_end;
2076 if (info->flags & MONO_AOT_FILE_FLAG_SEPARATE_DATA) {
2077 amodule->blob = amodule->tables [MONO_AOT_TABLE_BLOB];
2078 amodule->method_info_offsets = amodule->tables [MONO_AOT_TABLE_METHOD_INFO_OFFSETS];
2079 amodule->ex_info_offsets = amodule->tables [MONO_AOT_TABLE_EX_INFO_OFFSETS];
2080 amodule->class_info_offsets = amodule->tables [MONO_AOT_TABLE_CLASS_INFO_OFFSETS];
2081 amodule->class_name_table = amodule->tables [MONO_AOT_TABLE_CLASS_NAME];
2082 amodule->extra_method_table = amodule->tables [MONO_AOT_TABLE_EXTRA_METHOD_TABLE];
2083 amodule->extra_method_info_offsets = amodule->tables [MONO_AOT_TABLE_EXTRA_METHOD_INFO_OFFSETS];
2084 amodule->got_info_offsets = amodule->tables [MONO_AOT_TABLE_GOT_INFO_OFFSETS];
2085 amodule->llvm_got_info_offsets = amodule->tables [MONO_AOT_TABLE_LLVM_GOT_INFO_OFFSETS];
2087 amodule->blob = info->blob;
2088 amodule->method_info_offsets = (guint32 *)info->method_info_offsets;
2089 amodule->ex_info_offsets = (guint32 *)info->ex_info_offsets;
2090 amodule->class_info_offsets = (guint32 *)info->class_info_offsets;
2091 amodule->class_name_table = (guint16 *)info->class_name_table;
2092 amodule->extra_method_table = (guint32 *)info->extra_method_table;
2093 amodule->extra_method_info_offsets = (guint32 *)info->extra_method_info_offsets;
2094 amodule->got_info_offsets = info->got_info_offsets;
2095 amodule->llvm_got_info_offsets = info->llvm_got_info_offsets;
2097 amodule->unbox_trampolines = (guint32 *)info->unbox_trampolines;
2098 amodule->unbox_trampolines_end = (guint32 *)info->unbox_trampolines_end;
2099 amodule->unbox_trampoline_addresses = (guint32 *)info->unbox_trampoline_addresses;
2100 amodule->unwind_info = (guint8 *)info->unwind_info;
2101 amodule->mem_begin = amodule->jit_code_start;
2102 amodule->mem_end = (guint8 *)info->mem_end;
2103 amodule->plt = (guint8 *)info->plt;
2104 amodule->plt_end = (guint8 *)info->plt_end;
2105 amodule->mono_eh_frame = (guint8 *)info->mono_eh_frame;
2106 amodule->trampolines [MONO_AOT_TRAMP_SPECIFIC] = (guint8 *)info->specific_trampolines;
2107 amodule->trampolines [MONO_AOT_TRAMP_STATIC_RGCTX] = (guint8 *)info->static_rgctx_trampolines;
2108 amodule->trampolines [MONO_AOT_TRAMP_IMT_THUNK] = (guint8 *)info->imt_thunks;
2109 amodule->trampolines [MONO_AOT_TRAMP_GSHAREDVT_ARG] = (guint8 *)info->gsharedvt_arg_trampolines;
2111 if (!strcmp (assembly->aname.name, "mscorlib"))
2112 mscorlib_aot_module = amodule;
2114 /* Compute method addresses */
2115 amodule->methods = (void **)g_malloc0 (amodule->info.nmethods * sizeof (gpointer));
2116 for (i = 0; i < amodule->info.nmethods; ++i) {
2119 if (amodule->info.llvm_get_method) {
2120 gpointer (*get_method) (int) = (gpointer (*)(int))amodule->info.llvm_get_method;
2122 addr = get_method (i);
2125 /* method_addresses () contains a table of branches, since the ios linker can update those correctly */
2126 if (!addr && amodule->info.method_addresses) {
2127 addr = get_call_table_entry (amodule->info.method_addresses, i);
2129 if (addr == amodule->info.method_addresses)
2133 amodule->methods [i] = GINT_TO_POINTER (-1);
2135 amodule->methods [i] = addr;
2138 if (make_unreadable) {
2139 #ifndef TARGET_WIN32
2141 guint8 *page_start, *page_end;
2144 addr = amodule->mem_begin;
2146 len = amodule->mem_end - amodule->mem_begin;
2148 /* Round down in both directions to avoid modifying data which is not ours */
2149 page_start = (guint8 *) (((gssize) (addr)) & ~ (mono_pagesize () - 1)) + mono_pagesize ();
2150 page_end = (guint8 *) (((gssize) (addr + len)) & ~ (mono_pagesize () - 1));
2151 if (page_end > page_start) {
2152 err = mono_mprotect (page_start, (page_end - page_start), MONO_MMAP_NONE);
2153 g_assert (err == 0);
2158 /* Compute the boundaries of LLVM code */
2159 if (info->flags & MONO_AOT_FILE_FLAG_WITH_LLVM)
2160 compute_llvm_code_range (amodule, &amodule->llvm_code_start, &amodule->llvm_code_end);
2164 if (amodule->jit_code_start) {
2165 aot_code_low_addr = MIN (aot_code_low_addr, (gsize)amodule->jit_code_start);
2166 aot_code_high_addr = MAX (aot_code_high_addr, (gsize)amodule->jit_code_end);
2168 if (amodule->llvm_code_start) {
2169 aot_code_low_addr = MIN (aot_code_low_addr, (gsize)amodule->llvm_code_start);
2170 aot_code_high_addr = MAX (aot_code_high_addr, (gsize)amodule->llvm_code_end);
2173 g_hash_table_insert (aot_modules, assembly, amodule);
2176 if (amodule->jit_code_start)
2177 mono_jit_info_add_aot_module (assembly->image, amodule->jit_code_start, amodule->jit_code_end);
2178 if (amodule->llvm_code_start)
2179 mono_jit_info_add_aot_module (assembly->image, amodule->llvm_code_start, amodule->llvm_code_end);
2181 assembly->image->aot_module = amodule;
2183 if (mono_aot_only) {
2185 find_symbol (amodule->sofile, amodule->globals, "specific_trampolines_page", (gpointer *)&code);
2186 amodule->use_page_trampolines = code != NULL;
2187 /*g_warning ("using page trampolines: %d", amodule->use_page_trampolines);*/
2191 * Register the plt region as a single trampoline so we can unwind from this code
2193 mono_tramp_info_register (
2194 mono_tramp_info_create (
2197 amodule->plt_end - amodule->plt,
2199 mono_unwind_get_cie_program ()
2205 * Since we store methoddef and classdef tokens when referring to methods/classes in
2206 * referenced assemblies, we depend on the exact versions of the referenced assemblies.
2207 * MS calls this 'hard binding'. This means we have to load all referenced assemblies
2208 * non-lazily, since we can't handle out-of-date errors later.
2209 * The cached class info also depends on the exact assemblies.
2211 #if defined(__native_client__)
2212 /* TODO: Don't 'load_image' on mscorlib due to a */
2213 /* recursive loading problem. This should be */
2214 /* removed if mscorlib is loaded from disk. */
2215 if (strncmp(assembly->aname.name, "mscorlib", 8)) {
2216 do_load_image = TRUE;
2218 do_load_image = FALSE;
2221 if (do_load_image) {
2222 for (i = 0; i < amodule->image_table_len; ++i)
2223 load_image (amodule, i, FALSE);
2226 if (amodule->out_of_date) {
2227 mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_AOT, "AOT: Module %s is unusable because a dependency is out-of-date.\n", assembly->image->name);
2229 g_error ("Failed to load AOT module '%s' while running in aot-only mode because a dependency cannot be found or it is out of date.\n", aot_name);
2232 mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_AOT, "AOT: loaded AOT Module for %s.\n", assembly->image->name);
2236 * mono_aot_register_module:
2238 * This should be called by embedding code to register AOT modules statically linked
2239 * into the executable. AOT_INFO should be the value of the
2240 * 'mono_aot_module_<ASSEMBLY_NAME>_info' global symbol from the AOT module.
2243 mono_aot_register_module (gpointer *aot_info)
2247 MonoAotFileInfo *info = (MonoAotFileInfo *)aot_info;
2249 g_assert (info->version == MONO_AOT_FILE_VERSION);
2251 globals = (void **)info->globals;
2254 aname = (char *)info->assembly_name;
2256 /* This could be called before startup */
2260 if (!static_aot_modules)
2261 static_aot_modules = g_hash_table_new (g_str_hash, g_str_equal);
2263 g_hash_table_insert (static_aot_modules, aname, info);
2270 mono_aot_init (void)
2272 mono_os_mutex_init_recursive (&aot_mutex);
2273 mono_os_mutex_init_recursive (&aot_page_mutex);
2274 aot_modules = g_hash_table_new (NULL, NULL);
2276 #ifndef __native_client__
2277 mono_install_assembly_load_hook (load_aot_module, NULL);
2279 mono_counters_register ("Async JIT info size", MONO_COUNTER_INT|MONO_COUNTER_JIT, &async_jit_info_size);
2281 if (g_getenv ("MONO_LASTAOT"))
2282 mono_last_aot_method = atoi (g_getenv ("MONO_LASTAOT"));
2287 mono_aot_cleanup (void)
2289 if (aot_jit_icall_hash)
2290 g_hash_table_destroy (aot_jit_icall_hash);
2292 g_hash_table_destroy (aot_modules);
2296 decode_cached_class_info (MonoAotModule *module, MonoCachedClassInfo *info, guint8 *buf, guint8 **endbuf)
2302 info->vtable_size = decode_value (buf, &buf);
2303 if (info->vtable_size == -1)
2306 flags = decode_value (buf, &buf);
2307 info->ghcimpl = (flags >> 0) & 0x1;
2308 info->has_finalize = (flags >> 1) & 0x1;
2309 info->has_cctor = (flags >> 2) & 0x1;
2310 info->has_nested_classes = (flags >> 3) & 0x1;
2311 info->blittable = (flags >> 4) & 0x1;
2312 info->has_references = (flags >> 5) & 0x1;
2313 info->has_static_refs = (flags >> 6) & 0x1;
2314 info->no_special_static_fields = (flags >> 7) & 0x1;
2315 info->is_generic_container = (flags >> 8) & 0x1;
2317 if (info->has_cctor) {
2318 res = decode_method_ref (module, &ref, buf, &buf);
2321 info->cctor_token = ref.token;
2323 if (info->has_finalize) {
2324 res = decode_method_ref (module, &ref, buf, &buf);
2327 info->finalize_image = ref.image;
2328 info->finalize_token = ref.token;
2331 info->instance_size = decode_value (buf, &buf);
2332 info->class_size = decode_value (buf, &buf);
2333 info->packing_size = decode_value (buf, &buf);
2334 info->min_align = decode_value (buf, &buf);
2342 mono_aot_get_method_from_vt_slot (MonoDomain *domain, MonoVTable *vtable, int slot)
2345 MonoClass *klass = vtable->klass;
2346 MonoAotModule *amodule = (MonoAotModule *)klass->image->aot_module;
2348 MonoCachedClassInfo class_info;
2353 if (MONO_CLASS_IS_INTERFACE (klass) || klass->rank || !amodule)
2356 info = &amodule->blob [mono_aot_get_offset (amodule->class_info_offsets, mono_metadata_token_index (klass->type_token) - 1)];
2359 err = decode_cached_class_info (amodule, &class_info, p, &p);
2363 for (i = 0; i < slot; ++i)
2364 decode_method_ref (amodule, &ref, p, &p);
2366 res = decode_method_ref (amodule, &ref, p, &p);
2369 if (ref.no_aot_trampoline)
2372 if (mono_metadata_token_index (ref.token) == 0 || mono_metadata_token_table (ref.token) != MONO_TABLE_METHOD)
2375 return mono_aot_get_method_from_token (domain, ref.image, ref.token);
2379 mono_aot_get_cached_class_info (MonoClass *klass, MonoCachedClassInfo *res)
2381 MonoAotModule *amodule = (MonoAotModule *)klass->image->aot_module;
2385 if (klass->rank || !amodule)
2388 p = (guint8*)&amodule->blob [mono_aot_get_offset (amodule->class_info_offsets, mono_metadata_token_index (klass->type_token) - 1)];
2390 err = decode_cached_class_info (amodule, res, p, &p);
2398 * mono_aot_get_class_from_name:
2400 * Obtains a MonoClass with a given namespace and a given name which is located in IMAGE,
2401 * using a cache stored in the AOT file.
2402 * Stores the resulting class in *KLASS if found, stores NULL otherwise.
2404 * Returns: TRUE if the klass was found/not found in the cache, FALSE if no aot file was
2408 mono_aot_get_class_from_name (MonoImage *image, const char *name_space, const char *name, MonoClass **klass)
2410 MonoAotModule *amodule = (MonoAotModule *)image->aot_module;
2411 guint16 *table, *entry;
2414 char full_name_buf [1024];
2416 const char *name2, *name_space2;
2418 guint32 cols [MONO_TYPEDEF_SIZE];
2419 GHashTable *nspace_table;
2421 if (!amodule || !amodule->class_name_table)
2424 amodule_lock (amodule);
2428 /* First look in the cache */
2429 if (!amodule->name_cache)
2430 amodule->name_cache = g_hash_table_new (g_str_hash, g_str_equal);
2431 nspace_table = (GHashTable *)g_hash_table_lookup (amodule->name_cache, name_space);
2433 *klass = (MonoClass *)g_hash_table_lookup (nspace_table, name);
2435 amodule_unlock (amodule);
2440 table_size = amodule->class_name_table [0];
2441 table = amodule->class_name_table + 1;
2443 if (name_space [0] == '\0')
2444 full_name = g_strdup_printf ("%s", name);
2446 if (strlen (name_space) + strlen (name) < 1000) {
2447 sprintf (full_name_buf, "%s.%s", name_space, name);
2448 full_name = full_name_buf;
2450 full_name = g_strdup_printf ("%s.%s", name_space, name);
2453 hash = mono_metadata_str_hash (full_name) % table_size;
2454 if (full_name != full_name_buf)
2457 entry = &table [hash * 2];
2459 if (entry [0] != 0) {
2460 t = &image->tables [MONO_TABLE_TYPEDEF];
2463 guint32 index = entry [0];
2464 guint32 next = entry [1];
2465 guint32 token = mono_metadata_make_token (MONO_TABLE_TYPEDEF, index);
2467 name_table_accesses ++;
2469 mono_metadata_decode_row (t, index - 1, cols, MONO_TYPEDEF_SIZE);
2471 name2 = mono_metadata_string_heap (image, cols [MONO_TYPEDEF_NAME]);
2472 name_space2 = mono_metadata_string_heap (image, cols [MONO_TYPEDEF_NAMESPACE]);
2474 if (!strcmp (name, name2) && !strcmp (name_space, name_space2)) {
2476 amodule_unlock (amodule);
2477 *klass = mono_class_get_checked (image, token, &error);
2478 if (!mono_error_ok (&error))
2479 mono_error_cleanup (&error); /* FIXME don't swallow the error */
2483 amodule_lock (amodule);
2484 nspace_table = (GHashTable *)g_hash_table_lookup (amodule->name_cache, name_space);
2485 if (!nspace_table) {
2486 nspace_table = g_hash_table_new (g_str_hash, g_str_equal);
2487 g_hash_table_insert (amodule->name_cache, (char*)name_space2, nspace_table);
2489 g_hash_table_insert (nspace_table, (char*)name2, *klass);
2490 amodule_unlock (amodule);
2496 entry = &table [next * 2];
2503 amodule_unlock (amodule);
2508 /* Compute the boundaries of the LLVM code for AMODULE. */
2510 compute_llvm_code_range (MonoAotModule *amodule, guint8 **code_start, guint8 **code_end)
2513 int version, fde_count;
2516 if (amodule->info.llvm_get_method) {
2517 gpointer (*get_method) (int) = (gpointer (*)(int))amodule->info.llvm_get_method;
2519 *code_start = (guint8 *)get_method (-1);
2520 *code_end = (guint8 *)get_method (-2);
2522 g_assert (*code_end > *code_start);
2526 g_assert (amodule->mono_eh_frame);
2528 p = amodule->mono_eh_frame;
2530 /* p points to data emitted by LLVM in DwarfException::EmitMonoEHFrame () */
2534 g_assert (version == 3);
2537 p = (guint8 *)ALIGN_PTR_TO (p, 4);
2539 fde_count = *(guint32*)p;
2543 if (fde_count > 0) {
2544 *code_start = (guint8 *)amodule->methods [table [0]];
2545 *code_end = (guint8*)amodule->methods [table [(fde_count - 1) * 2]] + table [fde_count * 2];
2553 is_llvm_code (MonoAotModule *amodule, guint8 *code)
2555 if ((guint8*)code >= amodule->llvm_code_start && (guint8*)code < amodule->llvm_code_end)
2562 is_thumb_code (MonoAotModule *amodule, guint8 *code)
2564 if (is_llvm_code (amodule, code) && (amodule->info.flags & MONO_AOT_FILE_FLAG_LLVM_THUMB))
2571 * decode_llvm_mono_eh_frame:
2573 * Decode the EH information emitted by our modified LLVM compiler and construct a
2574 * MonoJitInfo structure from it.
2575 * LOCKING: Acquires the domain lock.
2578 decode_llvm_mono_eh_frame (MonoAotModule *amodule, MonoDomain *domain,
2579 MonoMethod *method, guint8 *code, guint32 code_len,
2580 MonoJitExceptionInfo *clauses, int num_clauses,
2581 MonoJitInfoFlags flags,
2583 int *this_reg, int *this_offset)
2585 guint8 *p, *code1, *code2;
2586 guint8 *fde, *cie, *code_start, *code_end;
2587 int version, fde_count;
2589 int i, pos, left, right;
2590 MonoJitExceptionInfo *ei;
2591 guint32 fde_len, ei_len, nested_len, nindex;
2592 gpointer *type_info;
2594 MonoLLVMFDEInfo info;
2596 if (!amodule->mono_eh_frame) {
2597 jinfo = (MonoJitInfo *)mono_domain_alloc0_lock_free (domain, mono_jit_info_size (flags, num_clauses, 0));
2598 mono_jit_info_init (jinfo, method, code, code_len, flags, num_clauses, 0);
2599 memcpy (jinfo->clauses, clauses, num_clauses * sizeof (MonoJitExceptionInfo));
2603 g_assert (amodule->mono_eh_frame && code);
2605 p = amodule->mono_eh_frame;
2607 /* p points to data emitted by LLVM in DwarfMonoException::EmitMonoEHFrame () */
2611 g_assert (version == 3);
2613 /* func_encoding = *p; */
2615 p = (guint8 *)ALIGN_PTR_TO (p, 4);
2617 fde_count = *(guint32*)p;
2621 /* There is +1 entry in the table */
2622 cie = p + ((fde_count + 1) * 8);
2624 /* Binary search in the table to find the entry for code */
2628 pos = (left + right) / 2;
2630 /* The table contains method index/fde offset pairs */
2631 g_assert (table [(pos * 2)] != -1);
2632 code1 = (guint8 *)amodule->methods [table [(pos * 2)]];
2633 if (pos + 1 == fde_count) {
2634 code2 = amodule->llvm_code_end;
2636 g_assert (table [(pos + 1) * 2] != -1);
2637 code2 = (guint8 *)amodule->methods [table [(pos + 1) * 2]];
2642 else if (code >= code2)
2648 code_start = (guint8 *)amodule->methods [table [(pos * 2)]];
2649 if (pos + 1 == fde_count) {
2650 /* The +1 entry in the table contains the length of the last method */
2651 int len = table [(pos + 1) * 2];
2652 code_end = code_start + len;
2654 code_end = (guint8 *)amodule->methods [table [(pos + 1) * 2]];
2657 code_len = code_end - code_start;
2659 g_assert (code >= code_start && code < code_end);
2661 if (is_thumb_code (amodule, code_start))
2662 /* Clear thumb flag */
2663 code_start = (guint8*)(((mgreg_t)code_start) & ~1);
2665 fde = amodule->mono_eh_frame + table [(pos * 2) + 1];
2666 /* This won't overflow because there is +1 entry in the table */
2667 fde_len = table [(pos * 2) + 2 + 1] - table [(pos * 2) + 1];
2669 mono_unwind_decode_llvm_mono_fde (fde, fde_len, cie, code_start, &info);
2671 ei_len = info.ex_info_len;
2672 type_info = info.type_info;
2673 *this_reg = info.this_reg;
2674 *this_offset = info.this_offset;
2676 /* Count number of nested clauses */
2678 for (i = 0; i < ei_len; ++i) {
2679 /* This might be unaligned */
2680 gint32 cindex1 = read32 (type_info [i]);
2683 for (l = nesting [cindex1]; l; l = l->next)
2688 * LLVM might represent one IL region with multiple regions, so have to
2689 * allocate a new JI.
2692 (MonoJitInfo *)mono_domain_alloc0_lock_free (domain, mono_jit_info_size (flags, ei_len + nested_len, 0));
2693 mono_jit_info_init (jinfo, method, code, code_len, flags, ei_len + nested_len, 0);
2695 jinfo->unwind_info = mono_cache_unwind_info (info.unw_info, info.unw_info_len);
2696 /* This signals that unwind_info points to a normal cached unwind info */
2697 jinfo->from_aot = 0;
2698 jinfo->from_llvm = 1;
2700 for (i = 0; i < ei_len; ++i) {
2702 * clauses contains the original IL exception info saved by the AOT
2703 * compiler, we have to combine that with the information produced by LLVM
2705 /* The type_info entries contain IL clause indexes */
2706 int clause_index = read32 (type_info [i]);
2707 MonoJitExceptionInfo *jei = &jinfo->clauses [i];
2708 MonoJitExceptionInfo *orig_jei = &clauses [clause_index];
2710 g_assert (clause_index < num_clauses);
2711 jei->flags = orig_jei->flags;
2712 jei->data.catch_class = orig_jei->data.catch_class;
2714 jei->try_start = ei [i].try_start;
2715 jei->try_end = ei [i].try_end;
2716 jei->handler_start = ei [i].handler_start;
2717 jei->clause_index = clause_index;
2719 if (is_thumb_code (amodule, (guint8 *)jei->try_start)) {
2720 jei->try_start = (void*)((mgreg_t)jei->try_start & ~1);
2721 jei->try_end = (void*)((mgreg_t)jei->try_end & ~1);
2722 /* Make sure we transition to thumb when a handler starts */
2723 jei->handler_start = (void*)((mgreg_t)jei->handler_start + 1);
2727 /* See exception_cb () in mini-llvm.c as to why this is needed */
2729 for (i = 0; i < ei_len; ++i) {
2730 gint32 cindex1 = read32 (type_info [i]);
2733 for (l = nesting [cindex1]; l; l = l->next) {
2734 gint32 nesting_cindex = GPOINTER_TO_INT (l->data);
2735 MonoJitExceptionInfo *nesting_ei;
2736 MonoJitExceptionInfo *nesting_clause = &clauses [nesting_cindex];
2738 nesting_ei = &jinfo->clauses [nindex];
2741 memcpy (nesting_ei, &jinfo->clauses [i], sizeof (MonoJitExceptionInfo));
2742 nesting_ei->flags = nesting_clause->flags;
2743 nesting_ei->data.catch_class = nesting_clause->data.catch_class;
2744 nesting_ei->clause_index = nesting_cindex;
2747 g_assert (nindex == ei_len + nested_len);
2753 alloc0_jit_info_data (MonoDomain *domain, int size, gboolean async_context)
2757 if (async_context) {
2758 res = mono_domain_alloc0_lock_free (domain, size);
2759 InterlockedExchangeAdd (&async_jit_info_size, size);
2761 res = mono_domain_alloc0 (domain, size);
2767 * LOCKING: Acquires the domain lock.
2768 * In async context, this is async safe.
2771 decode_exception_debug_info (MonoAotModule *amodule, MonoDomain *domain,
2772 MonoMethod *method, guint8* ex_info,
2773 guint8 *code, guint32 code_len)
2775 int i, buf_len, num_clauses, len;
2777 MonoJitInfoFlags flags = JIT_INFO_NONE;
2778 guint unwind_info, eflags;
2779 gboolean has_generic_jit_info, has_dwarf_unwind_info, has_clauses, has_seq_points, has_try_block_holes, has_arch_eh_jit_info;
2780 gboolean from_llvm, has_gc_map;
2782 int try_holes_info_size, num_holes;
2783 int this_reg = 0, this_offset = 0;
2786 /* Load the method info from the AOT file */
2787 async = mono_thread_info_is_async_context ();
2790 eflags = decode_value (p, &p);
2791 has_generic_jit_info = (eflags & 1) != 0;
2792 has_dwarf_unwind_info = (eflags & 2) != 0;
2793 has_clauses = (eflags & 4) != 0;
2794 has_seq_points = (eflags & 8) != 0;
2795 from_llvm = (eflags & 16) != 0;
2796 has_try_block_holes = (eflags & 32) != 0;
2797 has_gc_map = (eflags & 64) != 0;
2798 has_arch_eh_jit_info = (eflags & 128) != 0;
2800 if (has_dwarf_unwind_info) {
2801 unwind_info = decode_value (p, &p);
2802 g_assert (unwind_info < (1 << 30));
2804 unwind_info = decode_value (p, &p);
2806 if (has_generic_jit_info)
2807 flags = (MonoJitInfoFlags)(flags | JIT_INFO_HAS_GENERIC_JIT_INFO);
2809 if (has_try_block_holes) {
2810 num_holes = decode_value (p, &p);
2811 flags = (MonoJitInfoFlags)(flags | JIT_INFO_HAS_TRY_BLOCK_HOLES);
2812 try_holes_info_size = sizeof (MonoTryBlockHoleTableJitInfo) + num_holes * sizeof (MonoTryBlockHoleJitInfo);
2814 num_holes = try_holes_info_size = 0;
2817 if (has_arch_eh_jit_info) {
2818 flags = (MonoJitInfoFlags)(flags | JIT_INFO_HAS_ARCH_EH_INFO);
2819 /* Overwrite the original code_len which includes alignment padding */
2820 code_len = decode_value (p, &p);
2823 /* Exception table */
2825 num_clauses = decode_value (p, &p);
2830 MonoJitExceptionInfo *clauses;
2837 * Part of the info is encoded by the AOT compiler, the rest is in the .eh_frame
2840 clauses = g_new0 (MonoJitExceptionInfo, num_clauses);
2841 nesting = g_new0 (GSList*, num_clauses);
2843 for (i = 0; i < num_clauses; ++i) {
2844 MonoJitExceptionInfo *ei = &clauses [i];
2846 ei->flags = decode_value (p, &p);
2848 if (decode_value (p, &p))
2849 ei->data.catch_class = decode_klass_ref (amodule, p, &p);
2851 ei->clause_index = i;
2853 ei->try_offset = decode_value (p, &p);
2854 ei->try_len = decode_value (p, &p);
2855 ei->handler_offset = decode_value (p, &p);
2856 ei->handler_len = decode_value (p, &p);
2858 /* Read the list of nesting clauses */
2860 int nesting_index = decode_value (p, &p);
2861 if (nesting_index == -1)
2863 nesting [i] = g_slist_prepend (nesting [i], GINT_TO_POINTER (nesting_index));
2867 jinfo = decode_llvm_mono_eh_frame (amodule, domain, method, code, code_len, clauses, num_clauses, flags, nesting, &this_reg, &this_offset);
2870 for (i = 0; i < num_clauses; ++i)
2871 g_slist_free (nesting [i]);
2874 len = mono_jit_info_size (flags, num_clauses, num_holes);
2875 jinfo = (MonoJitInfo *)alloc0_jit_info_data (domain, len, async);
2876 mono_jit_info_init (jinfo, method, code, code_len, flags, num_clauses, num_holes);
2878 for (i = 0; i < jinfo->num_clauses; ++i) {
2879 MonoJitExceptionInfo *ei = &jinfo->clauses [i];
2881 ei->flags = decode_value (p, &p);
2883 #ifdef MONO_CONTEXT_SET_LLVM_EXC_REG
2884 /* Not used for catch clauses */
2885 if (ei->flags != MONO_EXCEPTION_CLAUSE_NONE)
2886 ei->exvar_offset = decode_value (p, &p);
2888 ei->exvar_offset = decode_value (p, &p);
2891 if (ei->flags == MONO_EXCEPTION_CLAUSE_FILTER || ei->flags == MONO_EXCEPTION_CLAUSE_FINALLY)
2892 ei->data.filter = code + decode_value (p, &p);
2894 int len = decode_value (p, &p);
2900 ei->data.catch_class = decode_klass_ref (amodule, p, &p);
2904 ei->try_start = code + decode_value (p, &p);
2905 ei->try_end = code + decode_value (p, &p);
2906 ei->handler_start = code + decode_value (p, &p);
2909 jinfo->unwind_info = unwind_info;
2910 jinfo->domain_neutral = 0;
2911 jinfo->from_aot = 1;
2914 if (has_try_block_holes) {
2915 MonoTryBlockHoleTableJitInfo *table;
2917 g_assert (jinfo->has_try_block_holes);
2919 table = mono_jit_info_get_try_block_hole_table_info (jinfo);
2922 table->num_holes = (guint16)num_holes;
2923 for (i = 0; i < num_holes; ++i) {
2924 MonoTryBlockHoleJitInfo *hole = &table->holes [i];
2925 hole->clause = decode_value (p, &p);
2926 hole->length = decode_value (p, &p);
2927 hole->offset = decode_value (p, &p);
2931 if (has_arch_eh_jit_info) {
2932 MonoArchEHJitInfo *eh_info;
2934 g_assert (jinfo->has_arch_eh_info);
2936 eh_info = mono_jit_info_get_arch_eh_info (jinfo);
2937 eh_info->stack_size = decode_value (p, &p);
2938 eh_info->epilog_size = decode_value (p, &p);
2942 /* The rest is not needed in async mode */
2943 jinfo->async = TRUE;
2944 jinfo->d.aot_info = amodule;
2949 if (has_generic_jit_info) {
2950 MonoGenericJitInfo *gi;
2953 g_assert (jinfo->has_generic_jit_info);
2955 gi = mono_jit_info_get_generic_jit_info (jinfo);
2958 gi->nlocs = decode_value (p, &p);
2960 gi->locations = (MonoDwarfLocListEntry *)alloc0_jit_info_data (domain, gi->nlocs * sizeof (MonoDwarfLocListEntry), async);
2961 for (i = 0; i < gi->nlocs; ++i) {
2962 MonoDwarfLocListEntry *entry = &gi->locations [i];
2964 entry->is_reg = decode_value (p, &p);
2965 entry->reg = decode_value (p, &p);
2967 entry->offset = decode_value (p, &p);
2969 entry->from = decode_value (p, &p);
2970 entry->to = decode_value (p, &p);
2975 gi->has_this = this_reg != -1;
2976 gi->this_reg = this_reg;
2977 gi->this_offset = this_offset;
2979 gi->has_this = decode_value (p, &p);
2980 gi->this_reg = decode_value (p, &p);
2981 gi->this_offset = decode_value (p, &p);
2985 len = decode_value (p, &p);
2989 jinfo->d.method = decode_resolve_method_ref (amodule, p, &p);
2991 gi->generic_sharing_context = g_new0 (MonoGenericSharingContext, 1);
2992 if (decode_value (p, &p)) {
2994 MonoGenericSharingContext *gsctx = gi->generic_sharing_context;
2996 gsctx->is_gsharedvt = TRUE;
3000 if (method && has_seq_points) {
3001 MonoSeqPointInfo *seq_points;
3003 p += mono_seq_point_info_read (&seq_points, p, FALSE);
3005 mono_domain_lock (domain);
3006 g_hash_table_insert (domain_jit_info (domain)->seq_points, method, seq_points);
3007 mono_domain_unlock (domain);
3010 /* Load debug info */
3011 buf_len = decode_value (p, &p);
3013 mono_debug_add_aot_method (domain, method, code, p, buf_len);
3017 int map_size = decode_value (p, &p);
3018 /* The GC map requires 4 bytes of alignment */
3019 while ((guint64)(gsize)p % 4)
3025 if (amodule != jinfo->d.method->klass->image->aot_module) {
3028 ji_to_amodule = g_hash_table_new (NULL, NULL);
3029 g_hash_table_insert (ji_to_amodule, jinfo, amodule);
3037 amodule_contains_code_addr (MonoAotModule *amodule, guint8 *code)
3039 return (code >= amodule->jit_code_start && code <= amodule->jit_code_end) ||
3040 (code >= amodule->llvm_code_start && code <= amodule->llvm_code_end);
3044 * mono_aot_get_unwind_info:
3046 * Return a pointer to the DWARF unwind info belonging to JI.
3049 mono_aot_get_unwind_info (MonoJitInfo *ji, guint32 *unwind_info_len)
3051 MonoAotModule *amodule;
3053 guint8 *code = (guint8 *)ji->code_start;
3056 amodule = (MonoAotModule *)ji->d.aot_info;
3058 amodule = (MonoAotModule *)jinfo_get_method (ji)->klass->image->aot_module;
3060 g_assert (ji->from_aot);
3062 if (!amodule_contains_code_addr (amodule, code)) {
3063 /* ji belongs to a different aot module than amodule */
3065 g_assert (ji_to_amodule);
3066 amodule = (MonoAotModule *)g_hash_table_lookup (ji_to_amodule, ji);
3068 g_assert (amodule_contains_code_addr (amodule, code));
3072 p = amodule->unwind_info + ji->unwind_info;
3073 *unwind_info_len = decode_value (p, &p);
3078 msort_method_addresses_internal (gpointer *array, int *indexes, int lo, int hi, gpointer *scratch, int *scratch_indexes)
3080 int mid = (lo + hi) / 2;
3087 for (i = lo; i < hi; ++i)
3088 if (array [i] > array [i + 1])
3091 /* Already sorted */
3095 msort_method_addresses_internal (array, indexes, lo, mid, scratch, scratch_indexes);
3096 msort_method_addresses_internal (array, indexes, mid + 1, hi, scratch, scratch_indexes);
3098 if (array [mid] < array [mid + 1])
3104 for (i = lo; i <= hi; i ++) {
3105 if (t_lo <= mid && ((t_hi > hi) || array [t_lo] < array [t_hi])) {
3106 scratch [i] = array [t_lo];
3107 scratch_indexes [i] = indexes [t_lo];
3110 scratch [i] = array [t_hi];
3111 scratch_indexes [i] = indexes [t_hi];
3115 for (i = lo; i <= hi; ++i) {
3116 array [i] = scratch [i];
3117 indexes [i] = scratch_indexes [i];
3122 msort_method_addresses (gpointer *array, int *indexes, int len)
3125 int *scratch_indexes;
3127 scratch = g_new (gpointer, len);
3128 scratch_indexes = g_new (int, len);
3129 msort_method_addresses_internal (array, indexes, 0, len - 1, scratch, scratch_indexes);
3131 g_free (scratch_indexes);
3135 * mono_aot_find_jit_info:
3137 * In async context, the resulting MonoJitInfo will not have its method field set, and it will not be added
3138 * to the jit info tables.
3139 * FIXME: Large sizes in the lock free allocator
3142 mono_aot_find_jit_info (MonoDomain *domain, MonoImage *image, gpointer addr)
3144 int pos, left, right, code_len;
3145 int method_index, table_len;
3147 MonoAotModule *amodule = (MonoAotModule *)image->aot_module;
3148 MonoMethod *method = NULL;
3150 guint8 *code, *ex_info, *p;
3154 guint8 *code1, *code2;
3161 nmethods = amodule->info.nmethods;
3163 if (domain != mono_get_root_domain ())
3167 if (!amodule_contains_code_addr (amodule, (guint8 *)addr))
3170 async = mono_thread_info_is_async_context ();
3172 /* Compute a sorted table mapping code to method indexes. */
3173 if (!amodule->sorted_methods) {
3175 gpointer *methods = g_new0 (gpointer, nmethods);
3176 int *method_indexes = g_new0 (int, nmethods);
3177 int methods_len = 0;
3179 for (i = 0; i < nmethods; ++i) {
3180 /* Skip the -1 entries to speed up sorting */
3181 if (amodule->methods [i] == GINT_TO_POINTER (-1))
3183 methods [methods_len] = amodule->methods [i];
3184 method_indexes [methods_len] = i;
3187 /* Use a merge sort as this is mostly sorted */
3188 msort_method_addresses (methods, method_indexes, methods_len);
3189 for (i = 0; i < methods_len -1; ++i)
3190 g_assert (methods [i] <= methods [i + 1]);
3191 amodule->sorted_methods_len = methods_len;
3192 if (InterlockedCompareExchangePointer ((gpointer*)&amodule->sorted_methods, methods, NULL) != NULL)
3193 /* Somebody got in before us */
3195 if (InterlockedCompareExchangePointer ((gpointer*)&amodule->sorted_method_indexes, method_indexes, NULL) != NULL)
3196 /* Somebody got in before us */
3197 g_free (method_indexes);
3200 /* Binary search in the sorted_methods table */
3201 methods = amodule->sorted_methods;
3202 methods_len = amodule->sorted_methods_len;
3203 code = (guint8 *)addr;
3205 right = methods_len;
3207 pos = (left + right) / 2;
3209 code1 = (guint8 *)methods [pos];
3210 if (pos + 1 == methods_len) {
3211 if (code1 >= amodule->jit_code_start && code1 < amodule->jit_code_end)
3212 code2 = amodule->jit_code_end;
3214 code2 = amodule->llvm_code_end;
3216 code2 = (guint8 *)methods [pos + 1];
3221 else if (code >= code2)
3227 g_assert (addr >= methods [pos]);
3228 if (pos + 1 < methods_len)
3229 g_assert (addr < methods [pos + 1]);
3230 method_index = amodule->sorted_method_indexes [pos];
3232 /* In async mode, jinfo is not added to the normal jit info table, so have to cache it ourselves */
3234 JitInfoMap *table = amodule->async_jit_info_table;
3238 len = table [0].method_index;
3239 for (i = 1; i < len; ++i) {
3240 if (table [i].method_index == method_index)
3241 return table [i].jinfo;
3246 code = (guint8 *)amodule->methods [method_index];
3247 ex_info = &amodule->blob [mono_aot_get_offset (amodule->ex_info_offsets, method_index)];
3249 if (pos == methods_len - 1) {
3250 if (code >= amodule->jit_code_start && code < amodule->jit_code_end)
3251 code_len = amodule->jit_code_end - code;
3253 code_len = amodule->llvm_code_end - code;
3255 code_len = (guint8*)methods [pos + 1] - (guint8*)methods [pos];
3258 g_assert ((guint8*)code <= (guint8*)addr && (guint8*)addr < (guint8*)code + code_len);
3260 /* Might be a wrapper/extra method */
3262 if (amodule->extra_methods) {
3263 amodule_lock (amodule);
3264 method = (MonoMethod *)g_hash_table_lookup (amodule->extra_methods, GUINT_TO_POINTER (method_index));
3265 amodule_unlock (amodule);
3271 if (method_index >= image->tables [MONO_TABLE_METHOD].rows) {
3273 * This is hit for extra methods which are called directly, so they are
3274 * not in amodule->extra_methods.
3276 table_len = amodule->extra_method_info_offsets [0];
3277 table = amodule->extra_method_info_offsets + 1;
3284 pos = ((left + right) / 2);
3286 g_assert (pos < table_len);
3288 if (table [pos * 2] < method_index)
3290 else if (table [pos * 2] > method_index)
3296 p = amodule->blob + table [(pos * 2) + 1];
3297 method = decode_resolve_method_ref (amodule, p, &p);
3299 /* Happens when a random address is passed in which matches a not-yey called wrapper encoded using its name */
3302 token = mono_metadata_make_token (MONO_TABLE_METHOD, method_index + 1);
3303 method = mono_get_method (image, token, NULL);
3310 //printf ("F: %s\n", mono_method_full_name (method, TRUE));
3312 jinfo = decode_exception_debug_info (amodule, domain, method, ex_info, code, code_len);
3314 g_assert ((guint8*)addr >= (guint8*)jinfo->code_start);
3316 /* Add it to the normal JitInfo tables */
3318 JitInfoMap *old_table, *new_table;
3322 * Use a simple inmutable table with linear search to cache async jit info entries.
3323 * This assumes that the number of entries is small.
3326 /* Copy the table, adding a new entry at the end */
3327 old_table = amodule->async_jit_info_table;
3329 len = old_table[0].method_index;
3332 new_table = (JitInfoMap *)alloc0_jit_info_data (domain, (len + 1) * sizeof (JitInfoMap), async);
3334 memcpy (new_table, old_table, len * sizeof (JitInfoMap));
3335 new_table [0].method_index = len + 1;
3336 new_table [len].method_index = method_index;
3337 new_table [len].jinfo = jinfo;
3339 mono_memory_barrier ();
3340 if (InterlockedCompareExchangePointer ((volatile gpointer *)&amodule->async_jit_info_table, new_table, old_table) == old_table)
3344 mono_jit_info_table_add (domain, jinfo);
3347 if ((guint8*)addr >= (guint8*)jinfo->code_start + jinfo->code_size)
3348 /* addr is in the padding between methods, see the adjustment of code_size in decode_exception_debug_info () */
3355 decode_patch (MonoAotModule *aot_module, MonoMemPool *mp, MonoJumpInfo *ji, guint8 *buf, guint8 **endbuf)
3363 case MONO_PATCH_INFO_METHOD:
3364 case MONO_PATCH_INFO_METHOD_JUMP:
3365 case MONO_PATCH_INFO_ICALL_ADDR:
3366 case MONO_PATCH_INFO_METHOD_RGCTX:
3367 case MONO_PATCH_INFO_METHOD_CODE_SLOT: {
3371 res = decode_method_ref (aot_module, &ref, p, &p);
3375 if (!ref.method && !mono_aot_only && !ref.no_aot_trampoline && (ji->type == MONO_PATCH_INFO_METHOD) && (mono_metadata_token_table (ref.token) == MONO_TABLE_METHOD)) {
3376 ji->data.target = mono_create_ftnptr (mono_domain_get (), mono_create_jit_trampoline_from_token (ref.image, ref.token));
3377 ji->type = MONO_PATCH_INFO_ABS;
3381 ji->data.method = ref.method;
3383 ji->data.method = mono_get_method (ref.image, ref.token, NULL);
3384 g_assert (ji->data.method);
3385 mono_class_init (ji->data.method->klass);
3389 case MONO_PATCH_INFO_INTERNAL_METHOD:
3390 case MONO_PATCH_INFO_JIT_ICALL_ADDR: {
3391 guint32 len = decode_value (p, &p);
3393 ji->data.name = (char*)p;
3397 case MONO_PATCH_INFO_METHODCONST:
3399 ji->data.method = decode_resolve_method_ref (aot_module, p, &p);
3400 if (!ji->data.method)
3403 case MONO_PATCH_INFO_VTABLE:
3404 case MONO_PATCH_INFO_CLASS:
3405 case MONO_PATCH_INFO_IID:
3406 case MONO_PATCH_INFO_ADJUSTED_IID:
3408 ji->data.klass = decode_klass_ref (aot_module, p, &p);
3409 if (!ji->data.klass)
3412 case MONO_PATCH_INFO_DELEGATE_TRAMPOLINE:
3413 ji->data.del_tramp = (MonoDelegateClassMethodPair *)mono_mempool_alloc0 (mp, sizeof (MonoDelegateClassMethodPair));
3414 ji->data.del_tramp->klass = decode_klass_ref (aot_module, p, &p);
3415 if (!ji->data.del_tramp->klass)
3417 if (decode_value (p, &p)) {
3418 ji->data.del_tramp->method = decode_resolve_method_ref (aot_module, p, &p);
3419 if (!ji->data.del_tramp->method)
3422 ji->data.del_tramp->is_virtual = decode_value (p, &p) ? TRUE : FALSE;
3424 case MONO_PATCH_INFO_IMAGE:
3425 ji->data.image = load_image (aot_module, decode_value (p, &p), TRUE);
3426 if (!ji->data.image)
3429 case MONO_PATCH_INFO_FIELD:
3430 case MONO_PATCH_INFO_SFLDA:
3432 ji->data.field = decode_field_info (aot_module, p, &p);
3433 if (!ji->data.field)
3436 case MONO_PATCH_INFO_SWITCH:
3437 ji->data.table = (MonoJumpInfoBBTable *)mono_mempool_alloc0 (mp, sizeof (MonoJumpInfoBBTable));
3438 ji->data.table->table_size = decode_value (p, &p);
3439 table = (void **)mono_domain_alloc (mono_domain_get (), sizeof (gpointer) * ji->data.table->table_size);
3440 ji->data.table->table = (MonoBasicBlock**)table;
3441 for (i = 0; i < ji->data.table->table_size; i++)
3442 table [i] = (gpointer)(gssize)decode_value (p, &p);
3444 case MONO_PATCH_INFO_R4: {
3447 ji->data.target = mono_domain_alloc0 (mono_domain_get (), sizeof (float));
3448 val = decode_value (p, &p);
3449 *(float*)ji->data.target = *(float*)&val;
3452 case MONO_PATCH_INFO_R8: {
3456 ji->data.target = mono_domain_alloc0 (mono_domain_get (), sizeof (double));
3458 val [0] = decode_value (p, &p);
3459 val [1] = decode_value (p, &p);
3460 v = ((guint64)val [1] << 32) | ((guint64)val [0]);
3461 *(double*)ji->data.target = *(double*)&v;
3464 case MONO_PATCH_INFO_LDSTR:
3465 image = load_image (aot_module, decode_value (p, &p), TRUE);
3468 ji->data.token = mono_jump_info_token_new (mp, image, MONO_TOKEN_STRING + decode_value (p, &p));
3470 case MONO_PATCH_INFO_RVA:
3471 case MONO_PATCH_INFO_DECLSEC:
3472 case MONO_PATCH_INFO_LDTOKEN:
3473 case MONO_PATCH_INFO_TYPE_FROM_HANDLE:
3475 image = load_image (aot_module, decode_value (p, &p), TRUE);
3478 ji->data.token = mono_jump_info_token_new (mp, image, decode_value (p, &p));
3480 ji->data.token->has_context = decode_value (p, &p);
3481 if (ji->data.token->has_context) {
3482 gboolean res = decode_generic_context (aot_module, &ji->data.token->context, p, &p);
3487 case MONO_PATCH_INFO_EXC_NAME:
3488 ji->data.klass = decode_klass_ref (aot_module, p, &p);
3489 if (!ji->data.klass)
3491 ji->data.name = ji->data.klass->name;
3493 case MONO_PATCH_INFO_METHOD_REL:
3494 ji->data.offset = decode_value (p, &p);
3496 case MONO_PATCH_INFO_INTERRUPTION_REQUEST_FLAG:
3497 case MONO_PATCH_INFO_GC_CARD_TABLE_ADDR:
3498 case MONO_PATCH_INFO_GC_NURSERY_START:
3499 case MONO_PATCH_INFO_GC_NURSERY_BITS:
3500 case MONO_PATCH_INFO_JIT_TLS_ID:
3502 case MONO_PATCH_INFO_CASTCLASS_CACHE:
3503 ji->data.index = decode_value (p, &p);
3505 case MONO_PATCH_INFO_RGCTX_FETCH:
3506 case MONO_PATCH_INFO_RGCTX_SLOT_INDEX: {
3508 MonoJumpInfoRgctxEntry *entry;
3509 guint32 offset, val;
3512 offset = decode_value (p, &p);
3513 val = decode_value (p, &p);
3515 entry = (MonoJumpInfoRgctxEntry *)mono_mempool_alloc0 (mp, sizeof (MonoJumpInfoRgctxEntry));
3516 p2 = aot_module->blob + offset;
3517 entry->method = decode_resolve_method_ref (aot_module, p2, &p2);
3518 entry->in_mrgctx = ((val & 1) > 0) ? TRUE : FALSE;
3519 entry->info_type = (MonoRgctxInfoType)((val >> 1) & 0xff);
3520 entry->data = (MonoJumpInfo *)mono_mempool_alloc0 (mp, sizeof (MonoJumpInfo));
3521 entry->data->type = (MonoJumpInfoType)((val >> 9) & 0xff);
3523 res = decode_patch (aot_module, mp, entry->data, p, &p);
3526 ji->data.rgctx_entry = entry;
3529 case MONO_PATCH_INFO_SEQ_POINT_INFO:
3530 case MONO_PATCH_INFO_AOT_MODULE:
3531 case MONO_PATCH_INFO_MSCORLIB_GOT_ADDR:
3533 case MONO_PATCH_INFO_SIGNATURE:
3534 ji->data.target = decode_signature (aot_module, p, &p);
3536 case MONO_PATCH_INFO_TLS_OFFSET:
3537 ji->data.target = GINT_TO_POINTER (decode_value (p, &p));
3539 case MONO_PATCH_INFO_GSHAREDVT_CALL: {
3540 MonoJumpInfoGSharedVtCall *info = (MonoJumpInfoGSharedVtCall *)mono_mempool_alloc0 (mp, sizeof (MonoJumpInfoGSharedVtCall));
3541 info->sig = decode_signature (aot_module, p, &p);
3542 g_assert (info->sig);
3543 info->method = decode_resolve_method_ref (aot_module, p, &p);
3544 g_assert (info->method);
3546 ji->data.target = info;
3549 case MONO_PATCH_INFO_GSHAREDVT_METHOD: {
3550 MonoGSharedVtMethodInfo *info = (MonoGSharedVtMethodInfo *)mono_mempool_alloc0 (mp, sizeof (MonoGSharedVtMethodInfo));
3553 info->method = decode_resolve_method_ref (aot_module, p, &p);
3554 g_assert (info->method);
3555 info->num_entries = decode_value (p, &p);
3556 info->count_entries = info->num_entries;
3557 info->entries = (MonoRuntimeGenericContextInfoTemplate *)mono_mempool_alloc0 (mp, sizeof (MonoRuntimeGenericContextInfoTemplate) * info->num_entries);
3558 for (i = 0; i < info->num_entries; ++i) {
3559 MonoRuntimeGenericContextInfoTemplate *template_ = &info->entries [i];
3561 template_->info_type = (MonoRgctxInfoType)decode_value (p, &p);
3562 switch (mini_rgctx_info_type_to_patch_info_type (template_->info_type)) {
3563 case MONO_PATCH_INFO_CLASS: {
3564 MonoClass *klass = decode_klass_ref (aot_module, p, &p);
3567 template_->data = &klass->byval_arg;
3570 case MONO_PATCH_INFO_FIELD:
3571 template_->data = decode_field_info (aot_module, p, &p);
3572 if (!template_->data)
3576 g_assert_not_reached ();
3580 ji->data.target = info;
3583 case MONO_PATCH_INFO_LDSTR_LIT: {
3584 int len = decode_value (p, &p);
3587 s = (char *)mono_mempool_alloc0 (mp, len + 1);
3588 memcpy (s, p, len + 1);
3591 ji->data.target = s;
3594 case MONO_PATCH_INFO_VIRT_METHOD: {
3595 MonoJumpInfoVirtMethod *info = (MonoJumpInfoVirtMethod *)mono_mempool_alloc0 (mp, sizeof (MonoJumpInfoVirtMethod));
3597 info->klass = decode_klass_ref (aot_module, p, &p);
3598 g_assert (info->klass);
3599 info->method = decode_resolve_method_ref (aot_module, p, &p);
3600 g_assert (info->method);
3602 ji->data.target = info;
3605 case MONO_PATCH_INFO_GC_SAFE_POINT_FLAG:
3607 case MONO_PATCH_INFO_AOT_JIT_INFO:
3608 ji->data.index = decode_value (p, &p);
3611 g_warning ("unhandled type %d", ji->type);
3612 g_assert_not_reached ();
3626 * Decode a list of patches identified by the got offsets in GOT_OFFSETS. Return an array of
3627 * MonoJumpInfo structures allocated from MP.
3629 static MonoJumpInfo*
3630 decode_patches (MonoAotModule *amodule, MonoMemPool *mp, int n_patches, gboolean llvm, guint32 *got_offsets)
3632 MonoJumpInfo *patches;
3635 guint32 *got_info_offsets;
3640 got = amodule->llvm_got;
3641 got_info_offsets = (guint32 *)amodule->llvm_got_info_offsets;
3644 got_info_offsets = (guint32 *)amodule->got_info_offsets;
3647 patches = (MonoJumpInfo *)mono_mempool_alloc0 (mp, sizeof (MonoJumpInfo) * n_patches);
3648 for (i = 0; i < n_patches; ++i) {
3649 guint8 *p = amodule->blob + mono_aot_get_offset (got_info_offsets, got_offsets [i]);
3652 ji->type = (MonoJumpInfoType)decode_value (p, &p);
3654 /* See load_method () for SFLDA */
3655 if (got && got [got_offsets [i]] && ji->type != MONO_PATCH_INFO_SFLDA) {
3656 /* Already loaded */
3658 res = decode_patch (amodule, mp, ji, p, &p);
3667 static MonoJumpInfo*
3668 load_patch_info (MonoAotModule *amodule, MonoMemPool *mp, int n_patches,
3669 gboolean llvm, guint32 **got_slots,
3670 guint8 *buf, guint8 **endbuf)
3672 MonoJumpInfo *patches;
3678 *got_slots = (guint32 *)g_malloc (sizeof (guint32) * n_patches);
3679 for (pindex = 0; pindex < n_patches; ++pindex) {
3680 (*got_slots)[pindex] = decode_value (p, &p);
3683 patches = decode_patches (amodule, mp, n_patches, llvm, *got_slots);
3685 g_free (*got_slots);
3695 register_jump_target_got_slot (MonoDomain *domain, MonoMethod *method, gpointer *got_slot)
3698 * Jump addresses cannot be patched by the trampoline code since it
3699 * does not have access to the caller's address. Instead, we collect
3700 * the addresses of the GOT slots pointing to a method, and patch
3701 * them after the method has been compiled.
3703 MonoJitDomainInfo *info = domain_jit_info (domain);
3706 mono_domain_lock (domain);
3707 if (!info->jump_target_got_slot_hash)
3708 info->jump_target_got_slot_hash = g_hash_table_new (NULL, NULL);
3709 list = (GSList *)g_hash_table_lookup (info->jump_target_got_slot_hash, method);
3710 list = g_slist_prepend (list, got_slot);
3711 g_hash_table_insert (info->jump_target_got_slot_hash, method, list);
3712 mono_domain_unlock (domain);
3718 * Load the method identified by METHOD_INDEX from the AOT image. Return a
3719 * pointer to the native code of the method, or NULL if not found.
3720 * METHOD might not be set if the caller only has the image/token info.
3723 load_method (MonoDomain *domain, MonoAotModule *amodule, MonoImage *image, MonoMethod *method, guint32 token, int method_index)
3725 MonoJitInfo *jinfo = NULL;
3726 guint8 *code = NULL, *info;
3729 init_amodule_got (amodule);
3731 if (mono_profiler_get_events () & MONO_PROFILE_ENTER_LEAVE) {
3733 /* The caller cannot handle this */
3734 g_assert_not_reached ();
3738 if (domain != mono_get_root_domain ())
3739 /* Non shared AOT code can't be used in other appdomains */
3742 if (amodule->out_of_date)
3745 if (amodule->info.llvm_get_method) {
3747 * Obtain the method address by calling a generated function in the LLVM module.
3749 gpointer (*get_method) (int) = (gpointer (*)(int))amodule->info.llvm_get_method;
3750 code = (guint8 *)get_method (method_index);
3755 if (amodule->methods [method_index] == GINT_TO_POINTER (-1)) {
3756 if (mono_trace_is_traced (G_LOG_LEVEL_DEBUG, MONO_TRACE_AOT)) {
3760 method = mono_get_method (image, token, NULL);
3761 full_name = mono_method_full_name (method, TRUE);
3762 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_AOT, "AOT: NOT FOUND: %s.", full_name);
3767 code = (guint8 *)amodule->methods [method_index];
3770 info = &amodule->blob [mono_aot_get_offset (amodule->method_info_offsets, method_index)];
3772 if (!amodule->methods_loaded) {
3773 amodule_lock (amodule);
3774 if (!amodule->methods_loaded) {
3777 loaded = g_new0 (guint32, amodule->info.nmethods / 32 + 1);
3778 mono_memory_barrier ();
3779 amodule->methods_loaded = loaded;
3781 amodule_unlock (amodule);
3784 if ((amodule->methods_loaded [method_index / 32] >> (method_index % 32)) & 0x1)
3787 if (mono_last_aot_method != -1) {
3788 if (mono_jit_stats.methods_aot >= mono_last_aot_method)
3790 else if (mono_jit_stats.methods_aot == mono_last_aot_method - 1) {
3792 method = mono_get_method (image, token, NULL);
3794 char *name = mono_method_full_name (method, TRUE);
3795 g_print ("LAST AOT METHOD: %s.\n", name);
3798 g_print ("LAST AOT METHOD: %p %d\n", code, method_index);
3803 if (!(is_llvm_code (amodule, code) && (amodule->info.flags & MONO_AOT_FILE_FLAG_LLVM_ONLY))) {
3804 res = init_llvm_method (amodule, method_index, method, NULL, NULL);
3809 if (mono_trace_is_traced (G_LOG_LEVEL_DEBUG, MONO_TRACE_AOT)) {
3813 method = mono_get_method (image, token, NULL);
3815 full_name = mono_method_full_name (method, TRUE);
3818 jinfo = mono_aot_find_jit_info (domain, amodule->assembly->image, code);
3820 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_AOT, "AOT: FOUND method %s [%p - %p %p]", full_name, code, code + jinfo->code_size, info);
3824 amodule_lock (amodule);
3826 InterlockedIncrement (&mono_jit_stats.methods_aot);
3828 amodule->methods_loaded [method_index / 32] |= 1 << (method_index % 32);
3832 if (method && method->wrapper_type)
3833 g_hash_table_insert (amodule->method_to_code, method, code);
3835 amodule_unlock (amodule);
3837 if (mono_profiler_get_events () & MONO_PROFILE_JIT_COMPILATION) {
3841 method = mono_get_method (amodule->assembly->image, token, NULL);
3844 mono_profiler_method_jit (method);
3845 jinfo = mono_jit_info_table_find (domain, (char*)code);
3847 mono_profiler_method_end_jit (method, jinfo, MONO_PROFILE_OK);
3860 find_aot_method_in_amodule (MonoAotModule *amodule, MonoMethod *method, guint32 hash_full)
3862 guint32 table_size, entry_size, hash;
3863 guint32 *table, *entry;
3865 static guint32 n_extra_decodes;
3867 if (!amodule || amodule->out_of_date)
3870 table_size = amodule->extra_method_table [0];
3871 hash = hash_full % table_size;
3872 table = amodule->extra_method_table + 1;
3875 entry = &table [hash * entry_size];
3882 guint32 key = entry [0];
3883 guint32 value = entry [1];
3884 guint32 next = entry [entry_size - 1];
3888 p = amodule->blob + key;
3891 amodule_lock (amodule);
3892 if (!amodule->method_ref_to_method)
3893 amodule->method_ref_to_method = g_hash_table_new (NULL, NULL);
3894 m = (MonoMethod *)g_hash_table_lookup (amodule->method_ref_to_method, p);
3895 amodule_unlock (amodule);
3897 m = decode_resolve_method_ref_with_target (amodule, method, p, &p);
3899 * Can't catche runtime invoke wrappers since it would break
3900 * the check in decode_method_ref_with_target ().
3902 if (m && m->wrapper_type != MONO_WRAPPER_RUNTIME_INVOKE) {
3903 amodule_lock (amodule);
3904 g_hash_table_insert (amodule->method_ref_to_method, orig_p, m);
3905 amodule_unlock (amodule);
3913 /* Special case: wrappers of shared generic methods */
3914 if (m && method->wrapper_type && m->wrapper_type == m->wrapper_type &&
3915 method->wrapper_type == MONO_WRAPPER_SYNCHRONIZED) {
3916 MonoMethod *w1 = mono_marshal_method_from_wrapper (method);
3917 MonoMethod *w2 = mono_marshal_method_from_wrapper (m);
3919 if ((w1 == w2) || (w1->is_inflated && ((MonoMethodInflated *)w1)->declaring == w2)) {
3925 /* Methods decoded needlessly */
3927 //printf ("%d %s %s %p\n", n_extra_decodes, mono_method_full_name (method, TRUE), mono_method_full_name (m, TRUE), orig_p);
3932 entry = &table [next * entry_size];
3941 add_module_cb (gpointer key, gpointer value, gpointer user_data)
3943 g_ptr_array_add ((GPtrArray*)user_data, value);
3949 * Try finding METHOD in the extra_method table in all AOT images.
3950 * Return its method index, or 0xffffff if not found. Set OUT_AMODULE to the AOT
3951 * module where the method was found.
3954 find_aot_method (MonoMethod *method, MonoAotModule **out_amodule)
3959 guint32 hash = mono_aot_method_hash (method);
3961 /* Try the method's module first */
3962 *out_amodule = (MonoAotModule *)method->klass->image->aot_module;
3963 index = find_aot_method_in_amodule ((MonoAotModule *)method->klass->image->aot_module, method, hash);
3964 if (index != 0xffffff)
3968 * Try all other modules.
3969 * This is needed because generic instances klass->image points to the image
3970 * containing the generic definition, but the native code is generated to the
3971 * AOT image which contains the reference.
3974 /* Make a copy to avoid doing the search inside the aot lock */
3975 modules = g_ptr_array_new ();
3977 g_hash_table_foreach (aot_modules, add_module_cb, modules);
3981 for (i = 0; i < modules->len; ++i) {
3982 MonoAotModule *amodule = (MonoAotModule *)g_ptr_array_index (modules, i);
3984 if (amodule != method->klass->image->aot_module)
3985 index = find_aot_method_in_amodule (amodule, method, hash);
3986 if (index != 0xffffff) {
3987 *out_amodule = amodule;
3992 g_ptr_array_free (modules, TRUE);
3998 mono_aot_find_method_index (MonoMethod *method)
4000 MonoAotModule *out_amodule;
4001 return find_aot_method (method, &out_amodule);
4005 init_llvm_method (MonoAotModule *amodule, guint32 method_index, MonoMethod *method, MonoClass *init_class, MonoGenericContext *context)
4007 MonoDomain *domain = mono_domain_get ();
4010 gboolean from_plt = method == NULL;
4011 int pindex, n_patches;
4013 MonoJitInfo *jinfo = NULL;
4014 guint8 *code, *info;
4016 code = (guint8 *)amodule->methods [method_index];
4017 info = &amodule->blob [mono_aot_get_offset (amodule->method_info_offsets, method_index)];
4022 klass = method->klass;
4023 decode_klass_ref (amodule, p, &p);
4025 klass = decode_klass_ref (amodule, p, &p);
4028 n_patches = decode_value (p, &p);
4031 MonoJumpInfo *patches;
4036 mp = mono_mempool_new ();
4038 if ((gpointer)code >= amodule->info.jit_code_start && (gpointer)code <= amodule->info.jit_code_end) {
4043 got = amodule->llvm_got;
4047 patches = load_patch_info (amodule, mp, n_patches, llvm, &got_slots, p, &p);
4048 if (patches == NULL) {
4049 mono_mempool_destroy (mp);
4053 for (pindex = 0; pindex < n_patches; ++pindex) {
4054 MonoJumpInfo *ji = &patches [pindex];
4058 * For SFLDA, we need to call resolve_patch_target () since the GOT slot could have
4059 * been initialized by load_method () for a static cctor before the cctor has
4060 * finished executing (#23242).
4062 if (!got [got_slots [pindex]] || ji->type == MONO_PATCH_INFO_SFLDA) {
4063 /* In llvm-only made, we might encounter shared methods */
4064 if (mono_llvm_only && ji->type == MONO_PATCH_INFO_METHOD && mono_method_check_context_used (ji->data.method)) {
4068 ji->data.method = mono_class_inflate_generic_method_checked (ji->data.method, context, &error);
4070 /* This cannot be resolved in mono_resolve_patch_target () */
4071 if (ji->type == MONO_PATCH_INFO_AOT_JIT_INFO) {
4072 // FIXME: Lookup using the index
4073 jinfo = mono_aot_find_jit_info (domain, amodule->assembly->image, code);
4074 ji->type = MONO_PATCH_INFO_ABS;
4075 ji->data.target = jinfo;
4077 addr = mono_resolve_patch_target (method, domain, code, ji, TRUE);
4078 if (ji->type == MONO_PATCH_INFO_METHOD_JUMP)
4079 addr = mono_create_ftnptr (domain, addr);
4080 mono_memory_barrier ();
4081 got [got_slots [pindex]] = addr;
4082 if (ji->type == MONO_PATCH_INFO_METHOD_JUMP)
4083 register_jump_target_got_slot (domain, ji->data.method, &(got [got_slots [pindex]]));
4085 ji->type = MONO_PATCH_INFO_NONE;
4090 mono_mempool_destroy (mp);
4093 if (mini_get_debug_options ()->load_aot_jit_info_eagerly)
4094 jinfo = mono_aot_find_jit_info (domain, amodule->assembly->image, code);
4097 mono_runtime_class_init (mono_class_vtable (domain, init_class));
4098 else if (from_plt && klass && !klass->generic_container)
4099 mono_runtime_class_init (mono_class_vtable (domain, klass));
4111 mono_aot_init_llvm_method (gpointer aot_module, guint32 method_index)
4113 MonoAotModule *amodule = (MonoAotModule *)aot_module;
4116 // FIXME: Handle failure
4117 res = init_llvm_method (amodule, method_index, NULL, NULL, NULL);
4122 mono_aot_init_gshared_method_this (gpointer aot_module, guint32 method_index, MonoObject *this_obj)
4124 MonoAotModule *amodule = (MonoAotModule *)aot_module;
4127 MonoGenericContext *context;
4131 g_assert (this_obj);
4132 klass = this_obj->vtable->klass;
4134 amodule_lock (amodule);
4135 method = (MonoMethod *)g_hash_table_lookup (amodule->extra_methods, GUINT_TO_POINTER (method_index));
4136 amodule_unlock (amodule);
4139 context = mono_method_get_context (method);
4142 res = init_llvm_method (amodule, method_index, NULL, klass, context);
4147 mono_aot_init_gshared_method_rgctx (gpointer aot_module, guint32 method_index, MonoMethodRuntimeGenericContext *rgctx)
4149 MonoAotModule *amodule = (MonoAotModule *)aot_module;
4151 MonoGenericContext context = { NULL, NULL };
4152 MonoClass *klass = rgctx->class_vtable->klass;
4154 if (klass->generic_class)
4155 context.class_inst = klass->generic_class->context.class_inst;
4156 else if (klass->generic_container)
4157 context.class_inst = klass->generic_container->context.class_inst;
4158 context.method_inst = rgctx->method_inst;
4160 res = init_llvm_method (amodule, method_index, NULL, rgctx->class_vtable->klass, &context);
4165 * mono_aot_get_method:
4167 * Return a pointer to the AOTed native code for METHOD if it can be found,
4169 * On platforms with function pointers, this doesn't return a function pointer.
4172 mono_aot_get_method (MonoDomain *domain, MonoMethod *method)
4174 MonoClass *klass = method->klass;
4175 MonoMethod *orig_method = method;
4176 guint32 method_index;
4177 MonoAotModule *amodule = (MonoAotModule *)klass->image->aot_module;
4179 gboolean cache_result = FALSE;
4181 if (domain != mono_get_root_domain ())
4182 /* Non shared AOT code can't be used in other appdomains */
4185 if (enable_aot_cache && !amodule && domain->entry_assembly && klass->image == mono_defaults.corlib) {
4186 /* This cannot be AOTed during startup, so do it now */
4187 if (!mscorlib_aot_loaded) {
4188 mscorlib_aot_loaded = TRUE;
4189 load_aot_module (klass->image->assembly, NULL);
4190 amodule = (MonoAotModule *)klass->image->aot_module;
4197 if (amodule->out_of_date)
4200 if ((method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) ||
4201 (method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL) ||
4202 (method->iflags & METHOD_IMPL_ATTRIBUTE_RUNTIME) ||
4203 (method->flags & METHOD_ATTRIBUTE_ABSTRACT))
4207 * Use the original method instead of its invoke-with-check wrapper.
4208 * This is not a problem when using full-aot, since it doesn't support
4211 if (mono_aot_only && method->wrapper_type == MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK)
4212 return mono_aot_get_method (domain, mono_marshal_method_from_wrapper (method));
4214 g_assert (klass->inited);
4216 /* Find method index */
4217 method_index = 0xffffff;
4218 if (method->is_inflated && !method->wrapper_type && mono_method_is_generic_sharable_full (method, TRUE, FALSE, FALSE)) {
4219 MonoMethod *orig_method = method;
4221 * For generic methods, we store the fully shared instance in place of the
4224 method = mono_method_get_declaring_generic_method (method);
4225 method_index = mono_metadata_token_index (method->token) - 1;
4227 if (mono_llvm_only) {
4228 /* Needed by mono_aot_init_gshared_method_this () */
4229 /* orig_method is a random instance but it is enough to make init_llvm_method () work */
4230 amodule_lock (amodule);
4231 g_hash_table_insert (amodule->extra_methods, GUINT_TO_POINTER (method_index), orig_method);
4232 amodule_unlock (amodule);
4234 } else if (method->is_inflated || !method->token) {
4235 /* This hash table is used to avoid the slower search in the extra_method_table in the AOT image */
4236 amodule_lock (amodule);
4237 code = (guint8 *)g_hash_table_lookup (amodule->method_to_code, method);
4238 amodule_unlock (amodule);
4242 cache_result = TRUE;
4243 method_index = find_aot_method (method, &amodule);
4245 * Special case the ICollection<T> wrappers for arrays, as they cannot
4246 * be statically enumerated, and each wrapper ends up calling the same
4249 if (method_index == 0xffffff && method->wrapper_type == MONO_WRAPPER_MANAGED_TO_MANAGED && method->klass->rank && strstr (method->name, "System.Collections.Generic")) {
4250 MonoMethod *m = mono_aot_get_array_helper_from_wrapper (method);
4252 code = (guint8 *)mono_aot_get_method (domain, m);
4258 * Special case Array.GetGenericValueImpl which is a generic icall.
4259 * Generic sharing currently can't handle it, but the icall returns data using
4260 * an out parameter, so the managed-to-native wrappers can share the same code.
4262 if (method_index == 0xffffff && method->wrapper_type == MONO_WRAPPER_MANAGED_TO_NATIVE && method->klass == mono_defaults.array_class && !strcmp (method->name, "GetGenericValueImpl")) {
4265 MonoGenericContext ctx;
4266 MonoType *args [16];
4268 if (mono_method_signature (method)->params [1]->type == MONO_TYPE_OBJECT)
4269 /* Avoid recursion */
4272 m = mono_class_get_method_from_name (mono_defaults.array_class, "GetGenericValueImpl", 2);
4275 memset (&ctx, 0, sizeof (ctx));
4276 args [0] = &mono_defaults.object_class->byval_arg;
4277 ctx.method_inst = mono_metadata_get_generic_inst (1, args);
4279 m = mono_marshal_get_native_wrapper (mono_class_inflate_generic_method_checked (m, &ctx, &error), TRUE, TRUE);
4280 g_assert (mono_error_ok (&error)); /* FIXME don't swallow the error */
4283 * Get the code for the <object> instantiation which should be emitted into
4284 * the mscorlib aot image by the AOT compiler.
4286 code = (guint8 *)mono_aot_get_method (domain, m);
4291 /* Same for CompareExchange<T> and Exchange<T> */
4292 /* Same for Volatile.Read<T>/Write<T> */
4293 if (method_index == 0xffffff && method->wrapper_type == MONO_WRAPPER_MANAGED_TO_NATIVE && method->klass->image == mono_defaults.corlib &&
4294 ((!strcmp (method->klass->name_space, "System.Threading") && !strcmp (method->klass->name, "Interlocked") && (!strcmp (method->name, "CompareExchange") || !strcmp (method->name, "Exchange")) && MONO_TYPE_IS_REFERENCE (mini_type_get_underlying_type (mono_method_signature (method)->params [1]))) ||
4295 (!strcmp (method->klass->name_space, "System.Threading") && !strcmp (method->klass->name, "Volatile") && (!strcmp (method->name, "Read") && MONO_TYPE_IS_REFERENCE (mini_type_get_underlying_type (mono_method_signature (method)->ret)))) ||
4296 (!strcmp (method->klass->name_space, "System.Threading") && !strcmp (method->klass->name, "Volatile") && (!strcmp (method->name, "Write") && MONO_TYPE_IS_REFERENCE (mini_type_get_underlying_type (mono_method_signature (method)->params [1])))))) {
4299 MonoGenericContext ctx;
4300 MonoType *args [16];
4301 gpointer iter = NULL;
4303 while ((m = mono_class_get_methods (method->klass, &iter))) {
4304 if (mono_method_signature (m)->generic_param_count && !strcmp (m->name, method->name))
4309 memset (&ctx, 0, sizeof (ctx));
4310 args [0] = &mono_defaults.object_class->byval_arg;
4311 ctx.method_inst = mono_metadata_get_generic_inst (1, args);
4313 m = mono_marshal_get_native_wrapper (mono_class_inflate_generic_method_checked (m, &ctx, &error), TRUE, TRUE);
4314 g_assert (mono_error_ok (&error)); /* FIXME don't swallow the error */
4316 /* Avoid recursion */
4321 * Get the code for the <object> instantiation which should be emitted into
4322 * the mscorlib aot image by the AOT compiler.
4324 code = (guint8 *)mono_aot_get_method (domain, m);
4329 /* For ARRAY_ACCESSOR wrappers with reference types, use the <object> instantiation saved in corlib */
4330 if (method_index == 0xffffff && method->wrapper_type == MONO_WRAPPER_UNKNOWN) {
4331 WrapperInfo *info = mono_marshal_get_wrapper_info (method);
4333 if (info->subtype == WRAPPER_SUBTYPE_ARRAY_ACCESSOR) {
4334 MonoMethod *array_method = info->d.array_accessor.method;
4335 if (MONO_TYPE_IS_REFERENCE (&array_method->klass->element_class->byval_arg)) {
4336 MonoClass *obj_array_class = mono_array_class_get (mono_defaults.object_class, 1);
4337 MonoMethod *m = mono_class_get_method_from_name (obj_array_class, array_method->name, mono_method_signature (array_method)->param_count);
4340 m = mono_marshal_get_array_accessor_wrapper (m);
4342 code = (guint8 *)mono_aot_get_method (domain, m);
4350 if (method_index == 0xffffff && method->is_inflated && mono_method_is_generic_sharable_full (method, FALSE, TRUE, FALSE)) {
4351 /* Partial sharing */
4354 shared = mini_get_shared_method (method);
4355 method_index = find_aot_method (shared, &amodule);
4356 if (method_index != 0xffffff)
4360 if (method_index == 0xffffff && method->is_inflated && mono_method_is_generic_sharable_full (method, FALSE, FALSE, TRUE)) {
4362 /* Use the all-vt shared method since this is what was AOTed */
4363 method_index = find_aot_method (mini_get_shared_method_full (method, TRUE, TRUE), &amodule);
4364 if (method_index != 0xffffff)
4365 method = mini_get_shared_method_full (method, TRUE, FALSE);
4368 if (method_index == 0xffffff) {
4369 if (mono_aot_only && mono_trace_is_traced (G_LOG_LEVEL_DEBUG, MONO_TRACE_AOT)) {
4372 full_name = mono_method_full_name (method, TRUE);
4373 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_AOT, "AOT NOT FOUND: %s.", full_name);
4379 if (method_index == 0xffffff)
4382 /* Needed by find_jit_info */
4383 amodule_lock (amodule);
4384 g_hash_table_insert (amodule->extra_methods, GUINT_TO_POINTER (method_index), method);
4385 amodule_unlock (amodule);
4388 method_index = mono_metadata_token_index (method->token) - 1;
4391 code = (guint8 *)load_method (domain, amodule, klass->image, method, method->token, method_index);
4392 if (code && cache_result) {
4393 amodule_lock (amodule);
4394 g_hash_table_insert (amodule->method_to_code, orig_method, code);
4395 amodule_unlock (amodule);
4401 * Same as mono_aot_get_method, but we try to avoid loading any metadata from the
4405 mono_aot_get_method_from_token (MonoDomain *domain, MonoImage *image, guint32 token)
4407 MonoAotModule *aot_module = (MonoAotModule *)image->aot_module;
4413 method_index = mono_metadata_token_index (token) - 1;
4415 return load_method (domain, aot_module, image, NULL, token, method_index);
4421 } IsGotEntryUserData;
4424 check_is_got_entry (gpointer key, gpointer value, gpointer user_data)
4426 IsGotEntryUserData *data = (IsGotEntryUserData*)user_data;
4427 MonoAotModule *aot_module = (MonoAotModule*)value;
4429 if (aot_module->got && (data->addr >= (guint8*)(aot_module->got)) && (data->addr < (guint8*)(aot_module->got + aot_module->info.got_size)))
4434 mono_aot_is_got_entry (guint8 *code, guint8 *addr)
4436 IsGotEntryUserData user_data;
4441 user_data.addr = addr;
4442 user_data.res = FALSE;
4444 g_hash_table_foreach (aot_modules, check_is_got_entry, &user_data);
4447 return user_data.res;
4452 MonoAotModule *module;
4453 } FindAotModuleUserData;
4456 find_aot_module_cb (gpointer key, gpointer value, gpointer user_data)
4458 FindAotModuleUserData *data = (FindAotModuleUserData*)user_data;
4459 MonoAotModule *aot_module = (MonoAotModule*)value;
4461 if (amodule_contains_code_addr (aot_module, data->addr))
4462 data->module = aot_module;
4465 static inline MonoAotModule*
4466 find_aot_module (guint8 *code)
4468 FindAotModuleUserData user_data;
4473 /* Reading these need no locking */
4474 if (((gsize)code < aot_code_low_addr) || ((gsize)code > aot_code_high_addr))
4477 user_data.addr = code;
4478 user_data.module = NULL;
4481 g_hash_table_foreach (aot_modules, find_aot_module_cb, &user_data);
4484 return user_data.module;
4488 mono_aot_patch_plt_entry (guint8 *code, guint8 *plt_entry, gpointer *got, mgreg_t *regs, guint8 *addr)
4490 MonoAotModule *amodule;
4493 * Since AOT code is only used in the root domain,
4494 * mono_domain_get () != mono_get_root_domain () means the calling method
4495 * is AppDomain:InvokeInDomain, so this is the same check as in
4496 * mono_method_same_domain () but without loading the metadata for the method.
4498 if (mono_domain_get () == mono_get_root_domain ()) {
4500 amodule = find_aot_module (code);
4504 mono_arch_patch_plt_entry (plt_entry, got, regs, addr);
4509 * mono_aot_plt_resolve:
4511 * This function is called by the entries in the PLT to resolve the actual method that
4512 * needs to be called. It returns a trampoline to the method and patches the PLT entry.
4513 * Returns NULL if the something cannot be loaded.
4516 mono_aot_plt_resolve (gpointer aot_module, guint32 plt_info_offset, guint8 *code)
4518 #ifdef MONO_ARCH_AOT_SUPPORTED
4519 guint8 *p, *target, *plt_entry;
4521 MonoAotModule *module = (MonoAotModule*)aot_module;
4522 gboolean res, no_ftnptr = FALSE;
4524 gboolean using_gsharedvt = FALSE;
4526 //printf ("DYN: %p %d\n", aot_module, plt_info_offset);
4528 p = &module->blob [plt_info_offset];
4530 ji.type = (MonoJumpInfoType)decode_value (p, &p);
4532 mp = mono_mempool_new ();
4533 res = decode_patch (module, mp, &ji, p, &p);
4536 mono_mempool_destroy (mp);
4540 #ifdef MONO_ARCH_GSHAREDVT_SUPPORTED
4541 using_gsharedvt = TRUE;
4545 * Avoid calling resolve_patch_target in the full-aot case if possible, since
4546 * it would create a trampoline, and we don't need that.
4547 * We could do this only if the method does not need the special handling
4548 * in mono_magic_trampoline ().
4550 if (mono_aot_only && ji.type == MONO_PATCH_INFO_METHOD && !ji.data.method->is_generic && !mono_method_check_context_used (ji.data.method) && !(ji.data.method->iflags & METHOD_IMPL_ATTRIBUTE_SYNCHRONIZED) &&
4551 !mono_method_needs_static_rgctx_invoke (ji.data.method, FALSE) && !using_gsharedvt) {
4552 target = (guint8 *)mono_jit_compile_method (ji.data.method);
4555 target = (guint8 *)mono_resolve_patch_target (NULL, mono_domain_get (), NULL, &ji, TRUE);
4559 * The trampoline expects us to return a function descriptor on platforms which use
4560 * it, but resolve_patch_target returns a direct function pointer for some type of
4561 * patches, so have to translate between the two.
4562 * FIXME: Clean this up, but how ?
4564 if (ji.type == MONO_PATCH_INFO_ABS || ji.type == MONO_PATCH_INFO_INTERNAL_METHOD || ji.type == MONO_PATCH_INFO_ICALL_ADDR || ji.type == MONO_PATCH_INFO_JIT_ICALL_ADDR || ji.type == MONO_PATCH_INFO_RGCTX_FETCH) {
4565 /* These should already have a function descriptor */
4566 #ifdef PPC_USES_FUNCTION_DESCRIPTOR
4567 /* Our function descriptors have a 0 environment, gcc created ones don't */
4568 if (ji.type != MONO_PATCH_INFO_INTERNAL_METHOD && ji.type != MONO_PATCH_INFO_JIT_ICALL_ADDR && ji.type != MONO_PATCH_INFO_ICALL_ADDR)
4569 g_assert (((gpointer*)target) [2] == 0);
4572 } else if (!no_ftnptr) {
4573 #ifdef PPC_USES_FUNCTION_DESCRIPTOR
4574 g_assert (((gpointer*)target) [2] != 0);
4576 target = (guint8 *)mono_create_ftnptr (mono_domain_get (), target);
4579 mono_mempool_destroy (mp);
4581 /* Patch the PLT entry with target which might be the actual method not a trampoline */
4582 plt_entry = mono_aot_get_plt_entry (code);
4583 g_assert (plt_entry);
4584 mono_aot_patch_plt_entry (code, plt_entry, module->got, NULL, target);
4588 g_assert_not_reached ();
4596 * Initialize the PLT table of the AOT module. Called lazily when the first AOT
4597 * method in the module is loaded to avoid committing memory by writing to it.
4598 * LOCKING: Assumes the AMODULE lock is held.
4601 init_plt (MonoAotModule *amodule)
4606 if (amodule->plt_inited)
4609 if (amodule->info.plt_size <= 1) {
4610 amodule->plt_inited = TRUE;
4614 tramp = mono_create_specific_trampoline (amodule, MONO_TRAMPOLINE_AOT_PLT, mono_get_root_domain (), NULL);
4617 * Initialize the PLT entries in the GOT to point to the default targets.
4620 tramp = mono_create_ftnptr (mono_domain_get (), tramp);
4621 for (i = 1; i < amodule->info.plt_size; ++i)
4622 /* All the default entries point to the AOT trampoline */
4623 ((gpointer*)amodule->got)[amodule->info.plt_got_offset_base + i] = tramp;
4625 amodule->plt_inited = TRUE;
4629 * mono_aot_get_plt_entry:
4631 * Return the address of the PLT entry called by the code at CODE if exists.
4634 mono_aot_get_plt_entry (guint8 *code)
4636 MonoAotModule *amodule = find_aot_module (code);
4637 guint8 *target = NULL;
4643 if (is_thumb_code (amodule, code))
4644 return mono_arm_get_thumb_plt_entry (code);
4647 #ifdef MONO_ARCH_AOT_SUPPORTED
4648 target = mono_arch_get_call_target (code);
4650 g_assert_not_reached ();
4654 while (target != NULL) {
4655 if ((target >= (guint8*)(amodule->plt)) && (target < (guint8*)(amodule->plt_end)))
4658 // Add 4 since mono_arch_get_call_target assumes we're passing
4659 // the instruction after the actual branch instruction.
4660 target = mono_arch_get_call_target (target + 4);
4665 if ((target >= (guint8*)(amodule->plt)) && (target < (guint8*)(amodule->plt_end)))
4673 * mono_aot_get_plt_info_offset:
4675 * Return the PLT info offset belonging to the plt entry called by CODE.
4678 mono_aot_get_plt_info_offset (mgreg_t *regs, guint8 *code)
4680 guint8 *plt_entry = mono_aot_get_plt_entry (code);
4682 g_assert (plt_entry);
4684 /* The offset is embedded inside the code after the plt entry */
4685 #ifdef MONO_ARCH_AOT_SUPPORTED
4686 return mono_arch_get_plt_info_offset (plt_entry, regs, code);
4688 g_assert_not_reached ();
4694 mono_create_ftnptr_malloc (guint8 *code)
4696 #ifdef PPC_USES_FUNCTION_DESCRIPTOR
4697 MonoPPCFunctionDescriptor *ftnptr = g_malloc0 (sizeof (MonoPPCFunctionDescriptor));
4699 ftnptr->code = code;
4710 * mono_aot_register_jit_icall:
4712 * Register a JIT icall which is called by trampolines in full-aot mode. This should
4713 * be called from mono_arch_init () during startup.
4716 mono_aot_register_jit_icall (const char *name, gpointer addr)
4718 /* No need for locking */
4719 if (!aot_jit_icall_hash)
4720 aot_jit_icall_hash = g_hash_table_new (g_str_hash, g_str_equal);
4721 g_hash_table_insert (aot_jit_icall_hash, (char*)name, addr);
4725 * load_function_full:
4727 * Load the function named NAME from the aot image.
4730 load_function_full (MonoAotModule *amodule, const char *name, MonoTrampInfo **out_tinfo)
4734 int n_patches, pindex;
4737 guint32 info_offset;
4741 symbol = g_strdup_printf ("%s", name);
4742 find_symbol (amodule->sofile, amodule->globals, symbol, (gpointer *)&code);
4745 g_error ("Symbol '%s' not found in AOT file '%s'.\n", name, amodule->aot_name);
4747 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_AOT, "AOT: FOUND function '%s' in AOT file '%s'.", name, amodule->aot_name);
4751 symbol = g_strdup_printf ("%s_p", name);
4752 find_symbol (amodule->sofile, amodule->globals, symbol, (gpointer *)&p);
4755 /* Nothing to patch */
4758 info_offset = *(guint32*)p;
4760 MonoTrampInfo *tinfo;
4761 guint32 code_size, uw_info_len, uw_offset;
4763 /* Construct a MonoTrampInfo from the data in the AOT image */
4765 p += sizeof (guint32);
4766 code_size = *(guint32*)p;
4767 p += sizeof (guint32);
4768 uw_offset = *(guint32*)p;
4769 uw_info = amodule->unwind_info + uw_offset;
4770 uw_info_len = decode_value (uw_info, &uw_info);
4772 tinfo = g_new0 (MonoTrampInfo, 1);
4773 tinfo->code = (guint8 *)code;
4774 tinfo->code_size = code_size;
4775 tinfo->uw_info = uw_info;
4776 tinfo->uw_info_len = uw_info_len;
4781 p = amodule->blob + info_offset;
4783 /* Similar to mono_aot_load_method () */
4785 n_patches = decode_value (p, &p);
4788 MonoJumpInfo *patches;
4791 mp = mono_mempool_new ();
4793 patches = load_patch_info (amodule, mp, n_patches, FALSE, &got_slots, p, &p);
4796 for (pindex = 0; pindex < n_patches; ++pindex) {
4797 MonoJumpInfo *ji = &patches [pindex];
4800 if (amodule->got [got_slots [pindex]])
4804 * When this code is executed, the runtime may not be initalized yet, so
4805 * resolve the patch info by hand.
4807 if (ji->type == MONO_PATCH_INFO_JIT_ICALL_ADDR) {
4808 if (!strcmp (ji->data.name, "mono_get_lmf_addr")) {
4809 target = mono_get_lmf_addr;
4810 } else if (!strcmp (ji->data.name, "mono_thread_force_interruption_checkpoint")) {
4811 target = mono_thread_force_interruption_checkpoint;
4812 } else if (!strcmp (ji->data.name, "mono_exception_from_token")) {
4813 target = mono_exception_from_token;
4814 } else if (!strcmp (ji->data.name, "mono_throw_exception")) {
4815 target = mono_get_throw_exception ();
4816 } else if (strstr (ji->data.name, "trampoline_func_") == ji->data.name) {
4817 MonoTrampolineType tramp_type2 = (MonoTrampolineType)atoi (ji->data.name + strlen ("trampoline_func_"));
4818 target = (gpointer)mono_get_trampoline_func (tramp_type2);
4819 } else if (strstr (ji->data.name, "specific_trampoline_lazy_fetch_") == ji->data.name) {
4820 /* atoll is needed because the the offset is unsigned */
4824 res = sscanf (ji->data.name, "specific_trampoline_lazy_fetch_%u", &slot);
4825 g_assert (res == 1);
4826 target = mono_create_specific_trampoline (GUINT_TO_POINTER (slot), MONO_TRAMPOLINE_RGCTX_LAZY_FETCH, mono_get_root_domain (), NULL);
4827 target = mono_create_ftnptr_malloc ((guint8 *)target);
4828 } else if (!strcmp (ji->data.name, "mono_thread_get_and_clear_pending_exception")) {
4829 target = mono_thread_get_and_clear_pending_exception;
4830 } else if (!strcmp (ji->data.name, "debugger_agent_single_step_from_context")) {
4831 target = debugger_agent_single_step_from_context;
4832 } else if (!strcmp (ji->data.name, "debugger_agent_breakpoint_from_context")) {
4833 target = debugger_agent_breakpoint_from_context;
4834 } else if (strstr (ji->data.name, "generic_trampoline_")) {
4835 target = mono_aot_get_trampoline (ji->data.name);
4836 } else if (aot_jit_icall_hash && g_hash_table_lookup (aot_jit_icall_hash, ji->data.name)) {
4837 /* Registered by mono_arch_init () */
4838 target = g_hash_table_lookup (aot_jit_icall_hash, ji->data.name);
4840 fprintf (stderr, "Unknown relocation '%s'\n", ji->data.name);
4841 g_assert_not_reached ();
4845 /* Hopefully the code doesn't have patches which need method or
4848 target = mono_resolve_patch_target (NULL, NULL, (guint8 *)code, ji, FALSE);
4852 amodule->got [got_slots [pindex]] = target;
4857 mono_mempool_destroy (mp);
4864 load_function (MonoAotModule *amodule, const char *name)
4866 return load_function_full (amodule, name, NULL);
4869 static MonoAotModule*
4870 get_mscorlib_aot_module (void)
4873 MonoAotModule *amodule;
4875 image = mono_defaults.corlib;
4877 amodule = (MonoAotModule *)image->aot_module;
4879 amodule = mscorlib_aot_module;
4885 no_trampolines (void)
4887 g_assert_not_reached ();
4891 * Return the trampoline identified by NAME from the mscorlib AOT file.
4892 * On ppc64, this returns a function descriptor.
4895 mono_aot_get_trampoline_full (const char *name, MonoTrampInfo **out_tinfo)
4897 MonoAotModule *amodule = get_mscorlib_aot_module ();
4899 if (mono_llvm_only) {
4901 return no_trampolines;
4904 return mono_create_ftnptr_malloc ((guint8 *)load_function_full (amodule, name, out_tinfo));
4908 mono_aot_get_trampoline (const char *name)
4910 MonoTrampInfo *out_tinfo;
4913 code = mono_aot_get_trampoline_full (name, &out_tinfo);
4914 mono_tramp_info_register (out_tinfo, NULL);
4920 read_unwind_info (MonoAotModule *amodule, MonoTrampInfo *info, const char *symbol_name)
4922 gpointer symbol_addr;
4923 guint32 uw_offset, uw_info_len;
4926 find_symbol (amodule->sofile, amodule->globals, symbol_name, &symbol_addr);
4931 uw_offset = *(guint32*)symbol_addr;
4932 uw_info = amodule->unwind_info + uw_offset;
4933 uw_info_len = decode_value (uw_info, &uw_info);
4935 info->uw_info = uw_info;
4936 info->uw_info_len = uw_info_len;
4938 /* If successful return the address of the following data */
4939 return (guint32*)symbol_addr + 1;
4943 #include <mach/mach.h>
4945 static TrampolinePage* trampoline_pages [MONO_AOT_TRAMP_NUM];
4948 read_page_trampoline_uwinfo (MonoTrampInfo *info, int tramp_type, gboolean is_generic)
4950 char symbol_name [128];
4952 if (tramp_type == MONO_AOT_TRAMP_SPECIFIC)
4953 sprintf (symbol_name, "specific_trampolines_page_%s_p", is_generic ? "gen" : "sp");
4954 else if (tramp_type == MONO_AOT_TRAMP_STATIC_RGCTX)
4955 sprintf (symbol_name, "rgctx_trampolines_page_%s_p", is_generic ? "gen" : "sp");
4956 else if (tramp_type == MONO_AOT_TRAMP_IMT_THUNK)
4957 sprintf (symbol_name, "imt_trampolines_page_%s_p", is_generic ? "gen" : "sp");
4958 else if (tramp_type == MONO_AOT_TRAMP_GSHAREDVT_ARG)
4959 sprintf (symbol_name, "gsharedvt_trampolines_page_%s_p", is_generic ? "gen" : "sp");
4961 g_assert_not_reached ();
4963 read_unwind_info (mono_defaults.corlib->aot_module, info, symbol_name);
4966 static unsigned char*
4967 get_new_trampoline_from_page (int tramp_type)
4969 MonoAotModule *amodule;
4971 TrampolinePage *page;
4974 vm_address_t addr, taddr;
4976 vm_prot_t prot, max_prot;
4977 int psize, specific_trampoline_size;
4978 unsigned char *code;
4980 specific_trampoline_size = 2 * sizeof (gpointer);
4982 mono_aot_page_lock ();
4983 page = trampoline_pages [tramp_type];
4984 if (page && page->trampolines < page->trampolines_end) {
4985 code = page->trampolines;
4986 page->trampolines += specific_trampoline_size;
4987 mono_aot_page_unlock ();
4990 mono_aot_page_unlock ();
4991 /* the trampoline template page is in the mscorlib module */
4992 image = mono_defaults.corlib;
4995 psize = MONO_AOT_TRAMP_PAGE_SIZE;
4997 amodule = image->aot_module;
5000 if (tramp_type == MONO_AOT_TRAMP_SPECIFIC)
5001 tpage = load_function (amodule, "specific_trampolines_page");
5002 else if (tramp_type == MONO_AOT_TRAMP_STATIC_RGCTX)
5003 tpage = load_function (amodule, "rgctx_trampolines_page");
5004 else if (tramp_type == MONO_AOT_TRAMP_IMT_THUNK)
5005 tpage = load_function (amodule, "imt_trampolines_page");
5006 else if (tramp_type == MONO_AOT_TRAMP_GSHAREDVT_ARG)
5007 tpage = load_function (amodule, "gsharedvt_arg_trampolines_page");
5009 g_error ("Incorrect tramp type for trampolines page");
5011 /*g_warning ("loaded trampolines page at %x", tpage);*/
5013 /* avoid the unlikely case of looping forever */
5016 while (page == NULL && count-- > 0) {
5017 MonoTrampInfo *gen_info, *sp_info;
5020 /* allocate two contiguous pages of memory: the first page will contain the data (like a local constant pool)
5021 * while the second will contain the trampolines.
5023 ret = vm_allocate (mach_task_self (), &addr, psize * 2, VM_FLAGS_ANYWHERE);
5024 if (ret != KERN_SUCCESS) {
5025 g_error ("Cannot allocate memory for trampolines: %d", ret);
5028 /*g_warning ("allocated trampoline double page at %x", addr);*/
5029 /* replace the second page with a remapped trampoline page */
5030 taddr = addr + psize;
5031 vm_deallocate (mach_task_self (), taddr, psize);
5032 ret = vm_remap (mach_task_self (), &taddr, psize, 0, FALSE, mach_task_self(), (vm_address_t)tpage, FALSE, &prot, &max_prot, VM_INHERIT_SHARE);
5033 if (ret != KERN_SUCCESS) {
5034 /* someone else got the page, try again */
5035 vm_deallocate (mach_task_self (), addr, psize);
5038 /*g_warning ("remapped trampoline page at %x", taddr);*/
5040 mono_aot_page_lock ();
5041 page = trampoline_pages [tramp_type];
5042 /* some other thread already allocated, so use that to avoid wasting memory */
5043 if (page && page->trampolines < page->trampolines_end) {
5044 code = page->trampolines;
5045 page->trampolines += specific_trampoline_size;
5046 mono_aot_page_unlock ();
5047 vm_deallocate (mach_task_self (), addr, psize);
5048 vm_deallocate (mach_task_self (), taddr, psize);
5051 page = (TrampolinePage*)addr;
5052 page->next = trampoline_pages [tramp_type];
5053 trampoline_pages [tramp_type] = page;
5054 page->trampolines = (void*)(taddr + amodule->info.tramp_page_code_offsets [tramp_type]);
5055 page->trampolines_end = (void*)(taddr + psize - 64);
5056 code = page->trampolines;
5057 page->trampolines += specific_trampoline_size;
5058 mono_aot_page_unlock ();
5060 /* Register the generic part at the beggining of the trampoline page */
5061 gen_info = mono_tramp_info_create (NULL, (guint8*)taddr, amodule->info.tramp_page_code_offsets [tramp_type], NULL, NULL);
5062 read_page_trampoline_uwinfo (gen_info, tramp_type, TRUE);
5063 mono_tramp_info_register (gen_info, NULL);
5066 * Registering each specific trampoline produces a lot of
5067 * MonoJitInfo structures. Jump trampolines are also registered
5070 if (tramp_type != MONO_AOT_TRAMP_SPECIFIC) {
5071 /* Register the rest of the page as a single trampoline */
5072 sp_info = mono_tramp_info_create (NULL, code, page->trampolines_end - code, NULL, NULL);
5073 read_page_trampoline_uwinfo (sp_info, tramp_type, FALSE);
5074 mono_tramp_info_register (sp_info, NULL);
5078 g_error ("Cannot allocate more trampoline pages: %d", ret);
5083 static unsigned char*
5084 get_new_trampoline_from_page (int tramp_type)
5086 g_error ("Page trampolines not supported.");
5093 get_new_specific_trampoline_from_page (gpointer tramp, gpointer arg)
5098 code = get_new_trampoline_from_page (MONO_AOT_TRAMP_SPECIFIC);
5100 data = (gpointer*)((char*)code - MONO_AOT_TRAMP_PAGE_SIZE);
5103 /*g_warning ("new trampoline at %p for data %p, tramp %p (stored at %p)", code, arg, tramp, data);*/
5109 get_new_rgctx_trampoline_from_page (gpointer tramp, gpointer arg)
5114 code = get_new_trampoline_from_page (MONO_AOT_TRAMP_STATIC_RGCTX);
5116 data = (gpointer*)((char*)code - MONO_AOT_TRAMP_PAGE_SIZE);
5119 /*g_warning ("new rgctx trampoline at %p for data %p, tramp %p (stored at %p)", code, arg, tramp, data);*/
5125 get_new_imt_trampoline_from_page (gpointer arg)
5130 code = get_new_trampoline_from_page (MONO_AOT_TRAMP_IMT_THUNK);
5132 data = (gpointer*)((char*)code - MONO_AOT_TRAMP_PAGE_SIZE);
5134 /*g_warning ("new imt trampoline at %p for data %p, (stored at %p)", code, arg, data);*/
5140 get_new_gsharedvt_arg_trampoline_from_page (gpointer tramp, gpointer arg)
5145 code = get_new_trampoline_from_page (MONO_AOT_TRAMP_GSHAREDVT_ARG);
5147 data = (gpointer*)((char*)code - MONO_AOT_TRAMP_PAGE_SIZE);
5150 /*g_warning ("new rgctx trampoline at %p for data %p, tramp %p (stored at %p)", code, arg, tramp, data);*/
5154 /* Return a given kind of trampoline */
5155 /* FIXME set unwind info for these trampolines */
5157 get_numerous_trampoline (MonoAotTrampoline tramp_type, int n_got_slots, MonoAotModule **out_amodule, guint32 *got_offset, guint32 *out_tramp_size)
5160 MonoAotModule *amodule = get_mscorlib_aot_module ();
5161 int index, tramp_size;
5163 /* Currently, we keep all trampolines in the mscorlib AOT image */
5164 image = mono_defaults.corlib;
5166 *out_amodule = amodule;
5171 #define MONOTOUCH_TRAMPOLINES_ERROR ". See http://docs.xamarin.com/ios/troubleshooting for instructions on how to fix this condition."
5173 #define MONOTOUCH_TRAMPOLINES_ERROR ""
5175 if (amodule->trampoline_index [tramp_type] == amodule->info.num_trampolines [tramp_type]) {
5176 g_error ("Ran out of trampolines of type %d in '%s' (%d)%s\n",
5177 tramp_type, image ? image->name : "mscorlib", amodule->info.num_trampolines [tramp_type], MONOTOUCH_TRAMPOLINES_ERROR);
5179 index = amodule->trampoline_index [tramp_type] ++;
5183 *got_offset = amodule->info.trampoline_got_offset_base [tramp_type] + (index * n_got_slots);
5185 tramp_size = amodule->info.trampoline_size [tramp_type];
5188 *out_tramp_size = tramp_size;
5190 return amodule->trampolines [tramp_type] + (index * tramp_size);
5194 no_specific_trampoline (void)
5196 g_assert_not_reached ();
5200 * Return a specific trampoline from the AOT file.
5203 mono_aot_create_specific_trampoline (MonoImage *image, gpointer arg1, MonoTrampolineType tramp_type, MonoDomain *domain, guint32 *code_len)
5205 MonoAotModule *amodule;
5206 guint32 got_offset, tramp_size;
5207 guint8 *code, *tramp;
5208 static gpointer generic_trampolines [MONO_TRAMPOLINE_NUM];
5209 static gboolean inited;
5210 static guint32 num_trampolines;
5212 if (mono_llvm_only) {
5214 return no_specific_trampoline;
5221 mono_counters_register ("Specific trampolines", MONO_COUNTER_JIT | MONO_COUNTER_INT, &num_trampolines);
5230 if (!generic_trampolines [tramp_type]) {
5233 symbol = mono_get_generic_trampoline_name (tramp_type);
5234 generic_trampolines [tramp_type] = mono_aot_get_trampoline (symbol);
5238 tramp = (guint8 *)generic_trampolines [tramp_type];
5241 if (USE_PAGE_TRAMPOLINES) {
5242 code = (guint8 *)get_new_specific_trampoline_from_page (tramp, arg1);
5245 code = (guint8 *)get_numerous_trampoline (MONO_AOT_TRAMP_SPECIFIC, 2, &amodule, &got_offset, &tramp_size);
5247 amodule->got [got_offset] = tramp;
5248 amodule->got [got_offset + 1] = arg1;
5252 *code_len = tramp_size;
5258 mono_aot_get_static_rgctx_trampoline (gpointer ctx, gpointer addr)
5260 MonoAotModule *amodule;
5264 if (USE_PAGE_TRAMPOLINES) {
5265 code = (guint8 *)get_new_rgctx_trampoline_from_page (addr, ctx);
5267 code = (guint8 *)get_numerous_trampoline (MONO_AOT_TRAMP_STATIC_RGCTX, 2, &amodule, &got_offset, NULL);
5269 amodule->got [got_offset] = ctx;
5270 amodule->got [got_offset + 1] = addr;
5273 /* The caller expects an ftnptr */
5274 return mono_create_ftnptr (mono_domain_get (), code);
5278 mono_aot_get_unbox_trampoline (MonoMethod *method)
5280 guint32 method_index = mono_metadata_token_index (method->token) - 1;
5281 MonoAotModule *amodule;
5283 guint32 *ut, *ut_end, *entry;
5284 int low, high, entry_index = 0;
5285 gpointer symbol_addr;
5286 MonoTrampInfo *tinfo;
5288 if (method->is_inflated && !mono_method_is_generic_sharable_full (method, FALSE, FALSE, FALSE)) {
5289 method_index = find_aot_method (method, &amodule);
5290 if (method_index == 0xffffff && mono_method_is_generic_sharable_full (method, FALSE, TRUE, FALSE)) {
5291 MonoMethod *shared = mini_get_shared_method_full (method, FALSE, FALSE);
5292 method_index = find_aot_method (shared, &amodule);
5294 if (method_index == 0xffffff && mono_method_is_generic_sharable_full (method, FALSE, TRUE, TRUE)) {
5295 MonoMethod *shared = mini_get_shared_method_full (method, TRUE, TRUE);
5296 method_index = find_aot_method (shared, &amodule);
5298 g_assert (method_index != 0xffffff);
5300 amodule = (MonoAotModule *)method->klass->image->aot_module;
5304 if (amodule->info.llvm_get_unbox_tramp) {
5305 gpointer (*get_tramp) (int) = (gpointer (*)(int))amodule->info.llvm_get_unbox_tramp;
5306 code = get_tramp (method_index);
5312 ut = amodule->unbox_trampolines;
5313 ut_end = amodule->unbox_trampolines_end;
5315 /* Do a binary search in the sorted table */
5318 high = (ut_end - ut);
5319 while (low < high) {
5320 entry_index = (low + high) / 2;
5321 entry = &ut [entry_index];
5322 if (entry [0] < method_index) {
5323 low = entry_index + 1;
5324 } else if (entry [0] > method_index) {
5331 code = get_call_table_entry (amodule->unbox_trampoline_addresses, entry_index);
5334 tinfo = mono_tramp_info_create (NULL, (guint8 *)code, 0, NULL, NULL);
5336 symbol_addr = read_unwind_info (amodule, tinfo, "unbox_trampoline_p");
5338 mono_tramp_info_free (tinfo);
5342 tinfo->code_size = *(guint32*)symbol_addr;
5343 mono_tramp_info_register (tinfo, NULL);
5345 /* The caller expects an ftnptr */
5346 return mono_create_ftnptr (mono_domain_get (), code);
5350 mono_aot_get_lazy_fetch_trampoline (guint32 slot)
5354 MonoAotModule *amodule = (MonoAotModule *)mono_defaults.corlib->aot_module;
5355 guint32 index = MONO_RGCTX_SLOT_INDEX (slot);
5356 static int count = 0;
5359 if (index >= amodule->info.num_rgctx_fetch_trampolines) {
5360 static gpointer addr;
5364 * Use the general version of the rgctx fetch trampoline. It receives a pair of <slot, trampoline> in the rgctx arg reg.
5367 addr = load_function (amodule, "rgctx_fetch_trampoline_general");
5368 info = (void **)mono_domain_alloc0 (mono_get_root_domain (), sizeof (gpointer) * 2);
5369 info [0] = GUINT_TO_POINTER (slot);
5370 info [1] = mono_create_specific_trampoline (GUINT_TO_POINTER (slot), MONO_TRAMPOLINE_RGCTX_LAZY_FETCH, mono_get_root_domain (), NULL);
5371 code = mono_aot_get_static_rgctx_trampoline (info, addr);
5372 return mono_create_ftnptr (mono_domain_get (), code);
5375 symbol = mono_get_rgctx_fetch_trampoline_name (slot);
5376 code = load_function ((MonoAotModule *)mono_defaults.corlib->aot_module, symbol);
5378 /* The caller expects an ftnptr */
5379 return mono_create_ftnptr (mono_domain_get (), code);
5385 g_assert_not_reached ();
5389 mono_aot_get_imt_thunk (MonoVTable *vtable, MonoDomain *domain, MonoIMTCheckItem **imt_entries, int count, gpointer fail_tramp)
5394 int i, index, real_count;
5395 MonoAotModule *amodule;
5398 return no_imt_thunk;
5401 for (i = 0; i < count; ++i) {
5402 MonoIMTCheckItem *item = imt_entries [i];
5404 if (item->is_equals)
5408 /* Save the entries into an array */
5409 buf = (void **)mono_domain_alloc (domain, (real_count + 1) * 2 * sizeof (gpointer));
5411 for (i = 0; i < count; ++i) {
5412 MonoIMTCheckItem *item = imt_entries [i];
5414 if (!item->is_equals)
5417 g_assert (item->key);
5419 buf [(index * 2)] = item->key;
5420 if (item->has_target_code) {
5421 gpointer *p = (gpointer *)mono_domain_alloc (domain, sizeof (gpointer));
5422 *p = item->value.target_code;
5423 buf [(index * 2) + 1] = p;
5425 buf [(index * 2) + 1] = &(vtable->vtable [item->value.vtable_slot]);
5429 buf [(index * 2)] = NULL;
5430 buf [(index * 2) + 1] = fail_tramp;
5432 if (USE_PAGE_TRAMPOLINES) {
5433 code = get_new_imt_trampoline_from_page (buf);
5435 code = get_numerous_trampoline (MONO_AOT_TRAMP_IMT_THUNK, 1, &amodule, &got_offset, NULL);
5437 amodule->got [got_offset] = buf;
5444 mono_aot_get_gsharedvt_arg_trampoline (gpointer arg, gpointer addr)
5446 MonoAotModule *amodule;
5450 if (USE_PAGE_TRAMPOLINES) {
5451 code = (guint8 *)get_new_gsharedvt_arg_trampoline_from_page (addr, arg);
5453 code = (guint8 *)get_numerous_trampoline (MONO_AOT_TRAMP_GSHAREDVT_ARG, 2, &amodule, &got_offset, NULL);
5455 amodule->got [got_offset] = arg;
5456 amodule->got [got_offset + 1] = addr;
5459 /* The caller expects an ftnptr */
5460 return mono_create_ftnptr (mono_domain_get (), code);
5464 * mono_aot_set_make_unreadable:
5466 * Set whenever to make all mmaped memory unreadable. In conjuction with a
5467 * SIGSEGV handler, this is useful to find out which pages the runtime tries to read.
5470 mono_aot_set_make_unreadable (gboolean unreadable)
5474 make_unreadable = unreadable;
5476 if (make_unreadable && !inited) {
5477 mono_counters_register ("AOT: pagefaults", MONO_COUNTER_JIT | MONO_COUNTER_INT, &n_pagefaults);
5482 MonoAotModule *module;
5487 find_map (gpointer key, gpointer value, gpointer user_data)
5489 MonoAotModule *module = (MonoAotModule*)value;
5490 FindMapUserData *data = (FindMapUserData*)user_data;
5493 if ((data->ptr >= module->mem_begin) && (data->ptr < module->mem_end))
5494 data->module = module;
5497 static MonoAotModule*
5498 find_module_for_addr (void *ptr)
5500 FindMapUserData data;
5502 if (!make_unreadable)
5506 data.ptr = (guint8*)ptr;
5509 g_hash_table_foreach (aot_modules, (GHFunc)find_map, &data);
5516 * mono_aot_is_pagefault:
5518 * Should be called from a SIGSEGV signal handler to find out whenever @ptr is
5519 * within memory allocated by this module.
5522 mono_aot_is_pagefault (void *ptr)
5524 if (!make_unreadable)
5528 * Not signal safe, but SIGSEGV's are synchronous, and
5529 * this is only turned on by a MONO_DEBUG option.
5531 return find_module_for_addr (ptr) != NULL;
5535 * mono_aot_handle_pagefault:
5537 * Handle a pagefault caused by an unreadable page by making it readable again.
5540 mono_aot_handle_pagefault (void *ptr)
5542 #ifndef PLATFORM_WIN32
5543 guint8* start = (guint8*)ROUND_DOWN (((gssize)ptr), mono_pagesize ());
5547 res = mono_mprotect (start, mono_pagesize (), MONO_MMAP_READ|MONO_MMAP_WRITE|MONO_MMAP_EXEC);
5548 g_assert (res == 0);
5559 mono_aot_init (void)
5564 mono_aot_cleanup (void)
5569 mono_aot_find_method_index (MonoMethod *method)
5571 g_assert_not_reached ();
5576 mono_aot_init_llvm_method (gpointer aot_module, guint32 method_index)
5581 mono_aot_init_gshared_method_this (gpointer aot_module, guint32 method_index, MonoObject *this)
5586 mono_aot_init_gshared_method_rgctx (gpointer aot_module, guint32 method_index, MonoMethodRuntimeGenericContext *rgctx)
5591 mono_aot_get_method (MonoDomain *domain, MonoMethod *method)
5597 mono_aot_is_got_entry (guint8 *code, guint8 *addr)
5603 mono_aot_get_cached_class_info (MonoClass *klass, MonoCachedClassInfo *res)
5609 mono_aot_get_class_from_name (MonoImage *image, const char *name_space, const char *name, MonoClass **klass)
5615 mono_aot_find_jit_info (MonoDomain *domain, MonoImage *image, gpointer addr)
5621 mono_aot_get_method_from_token (MonoDomain *domain, MonoImage *image, guint32 token)
5627 mono_aot_get_plt_entry (guint8 *code)
5633 mono_aot_plt_resolve (gpointer aot_module, guint32 plt_info_offset, guint8 *code)
5639 mono_aot_patch_plt_entry (guint8 *code, guint8 *plt_entry, gpointer *got, mgreg_t *regs, guint8 *addr)
5644 mono_aot_get_method_from_vt_slot (MonoDomain *domain, MonoVTable *vtable, int slot)
5650 mono_aot_get_plt_info_offset (mgreg_t *regs, guint8 *code)
5652 g_assert_not_reached ();
5658 mono_aot_create_specific_trampoline (MonoImage *image, gpointer arg1, MonoTrampolineType tramp_type, MonoDomain *domain, guint32 *code_len)
5660 g_assert_not_reached ();
5665 mono_aot_get_static_rgctx_trampoline (gpointer ctx, gpointer addr)
5667 g_assert_not_reached ();
5672 mono_aot_get_trampoline_full (const char *name, MonoTrampInfo **out_tinfo)
5674 g_assert_not_reached ();
5679 mono_aot_get_trampoline (const char *name)
5681 g_assert_not_reached ();
5686 mono_aot_get_unbox_trampoline (MonoMethod *method)
5688 g_assert_not_reached ();
5693 mono_aot_get_lazy_fetch_trampoline (guint32 slot)
5695 g_assert_not_reached ();
5700 mono_aot_get_imt_thunk (MonoVTable *vtable, MonoDomain *domain, MonoIMTCheckItem **imt_entries, int count, gpointer fail_tramp)
5702 g_assert_not_reached ();
5707 mono_aot_get_gsharedvt_arg_trampoline (gpointer arg, gpointer addr)
5709 g_assert_not_reached ();
5714 mono_aot_set_make_unreadable (gboolean unreadable)
5719 mono_aot_is_pagefault (void *ptr)
5725 mono_aot_handle_pagefault (void *ptr)
5730 mono_aot_get_unwind_info (MonoJitInfo *ji, guint32 *unwind_info_len)
5732 g_assert_not_reached ();
5737 mono_aot_register_jit_icall (const char *name, gpointer addr)