5 #include <mono/metadata/appdomain.h>
6 #include <mono/metadata/metadata-internals.h>
7 #include <mono/metadata/marshal.h>
8 #include <mono/metadata/tabledefs.h>
9 #include <mono/utils/mono-counters.h>
11 #ifdef HAVE_VALGRIND_MEMCHECK_H
12 #include <valgrind/memcheck.h>
16 #include "debug-mini.h"
19 * Address of the trampoline code. This is used by the debugger to check
20 * whether a method is a trampoline.
22 guint8* mono_trampoline_code [MONO_TRAMPOLINE_NUM];
24 static GHashTable *class_init_hash_addr = NULL;
25 static GHashTable *delegate_trampoline_hash_addr = NULL;
27 #define mono_trampolines_lock() EnterCriticalSection (&trampolines_mutex)
28 #define mono_trampolines_unlock() LeaveCriticalSection (&trampolines_mutex)
29 static CRITICAL_SECTION trampolines_mutex;
32 get_unbox_trampoline (MonoGenericSharingContext *gsctx, MonoMethod *m, gpointer addr)
35 return mono_aot_get_unbox_trampoline (m);
37 return mono_arch_get_unbox_trampoline (gsctx, m, addr);
40 #ifdef MONO_ARCH_HAVE_IMT
43 mono_convert_imt_slot_to_vtable_slot (gpointer* slot, gpointer *regs, guint8 *code, MonoMethod *method, MonoMethod **impl_method)
45 MonoGenericSharingContext *gsctx = mono_get_generic_context_from_code (code);
46 MonoObject *this_argument = mono_arch_find_this_argument (regs, method, gsctx);
47 MonoVTable *vt = this_argument->vtable;
48 int displacement = slot - ((gpointer*)vt);
50 if (displacement > 0) {
51 /* slot is in the vtable, not in the IMT */
53 printf ("mono_convert_imt_slot_to_vtable_slot: slot %p is in the vtable, not in the IMT\n", slot);
57 MonoMethod *imt_method = mono_arch_find_imt_method (regs, code);
59 int imt_slot = MONO_IMT_SIZE + displacement;
61 mono_class_setup_vtable (vt->klass);
62 interface_offset = mono_class_interface_offset (vt->klass, imt_method->klass);
64 if (interface_offset < 0) {
65 g_print ("%s doesn't implement interface %s\n", mono_type_get_name_full (&vt->klass->byval_arg, 0), mono_type_get_name_full (&imt_method->klass->byval_arg, 0));
66 g_assert_not_reached ();
68 mono_vtable_build_imt_slot (vt, mono_method_get_imt_slot (imt_method));
71 *impl_method = vt->klass->vtable [interface_offset + imt_method->slot];
73 printf ("mono_convert_imt_slot_to_vtable_slot: method = %s.%s.%s, imt_method = %s.%s.%s\n",
74 method->klass->name_space, method->klass->name, method->name,
75 imt_method->klass->name_space, imt_method->klass->name, imt_method->name);
77 g_assert (imt_slot < MONO_IMT_SIZE);
78 if (vt->imt_collisions_bitmap & (1 << imt_slot)) {
79 int vtable_offset = interface_offset + imt_method->slot;
80 gpointer *vtable_slot = & (vt->vtable [vtable_offset]);
82 printf ("mono_convert_imt_slot_to_vtable_slot: slot %p[%d] is in the IMT, and colliding becomes %p[%d] (interface_offset = %d, method->slot = %d)\n", slot, imt_slot, vtable_slot, vtable_offset, interface_offset, imt_method->slot);
87 printf ("mono_convert_imt_slot_to_vtable_slot: slot %p[%d] is in the IMT, but not colliding\n", slot, imt_slot);
96 * mono_magic_trampoline:
98 * This trampoline handles calls from JITted code.
101 mono_magic_trampoline (gssize *regs, guint8 *code, MonoMethod *m, guint8* tramp)
104 gpointer *vtable_slot;
105 gboolean generic_shared = FALSE;
106 MonoMethod *declaring = NULL;
109 #if MONO_ARCH_COMMON_VTABLE_TRAMPOLINE
110 if (m == MONO_FAKE_VTABLE_METHOD) {
112 MonoVTable *vt = mono_arch_get_vcall_slot (code, (gpointer*)regs, &displacement);
114 if (displacement > 0) {
115 displacement -= G_STRUCT_OFFSET (MonoVTable, vtable);
116 g_assert (displacement >= 0);
117 displacement /= sizeof (gpointer);
119 /* Avoid loading metadata or creating a generic vtable if possible */
120 addr = mono_aot_get_method_from_vt_slot (mono_domain_get (), vt, displacement);
121 if (addr && !vt->klass->valuetype) {
122 vtable_slot = mono_arch_get_vcall_slot_addr (code, (gpointer*)regs);
123 if (mono_aot_is_got_entry (code, (guint8*)vtable_slot) || mono_domain_owns_vtable_slot (mono_domain_get (), vtable_slot)) {
124 *vtable_slot = mono_get_addr_from_ftnptr (addr);
130 mono_class_setup_vtable (vt->klass);
131 m = vt->klass->vtable [displacement];
132 if (m->iflags & METHOD_IMPL_ATTRIBUTE_SYNCHRONIZED)
133 m = mono_marshal_get_synchronized_wrapper (m);
134 /*g_print ("%s with disp %d: %s at %p\n", vt->klass->name, displacement, m->name, code);*/
136 /* We got here from an interface method: redirect to IMT handling */
137 m = MONO_FAKE_IMT_METHOD;
138 /*g_print ("vtable with disp %d at %p\n", displacement, code);*/
142 /* this is the IMT trampoline */
143 #ifdef MONO_ARCH_HAVE_IMT
144 if (m == MONO_FAKE_IMT_METHOD) {
145 MonoMethod *impl_method;
146 /* we get the interface method because mono_convert_imt_slot_to_vtable_slot ()
147 * needs the signature to be able to find the this argument
149 m = mono_arch_find_imt_method ((gpointer*)regs, code);
150 vtable_slot = mono_arch_get_vcall_slot_addr (code, (gpointer*)regs);
151 g_assert (vtable_slot);
152 vtable_slot = mono_convert_imt_slot_to_vtable_slot (vtable_slot, (gpointer*)regs, code, m, &impl_method);
153 /* mono_convert_imt_slot_to_vtable_slot () also gives us the method that is supposed
154 * to be called, so we compile it and go ahead as usual.
156 /*g_print ("imt found method %p (%s) at %p\n", impl_method, impl_method->name, code);*/
161 if ((context_used = mono_method_check_context_used (m))) {
162 MonoClass *klass = NULL;
163 MonoMethod *actual_method = NULL;
164 MonoVTable *vt = NULL;
165 MonoGenericInst *method_inst = NULL;
168 generic_shared = TRUE;
172 if (m->is_inflated && mono_method_get_context (m)->method_inst) {
173 #ifdef MONO_ARCH_RGCTX_REG
174 MonoMethodRuntimeGenericContext *mrgctx = (MonoMethodRuntimeGenericContext*)mono_arch_find_static_call_vtable ((gpointer*)regs, code);
176 klass = mrgctx->class_vtable->klass;
177 method_inst = mrgctx->method_inst;
179 g_assert_not_reached ();
181 } else if (m->flags & METHOD_ATTRIBUTE_STATIC) {
182 #ifdef MONO_ARCH_RGCTX_REG
183 MonoVTable *vtable = mono_arch_find_static_call_vtable ((gpointer*)regs, code);
185 klass = vtable->klass;
187 g_assert_not_reached ();
190 #ifdef MONO_ARCH_HAVE_IMT
191 MonoObject *this_argument = mono_arch_find_this_argument ((gpointer*)regs, m,
192 mono_get_generic_context_from_code (code));
194 vt = this_argument->vtable;
195 vtable_slot = mono_arch_get_vcall_slot_addr (code, (gpointer*)regs);
197 g_assert (this_argument->vtable->klass->inited);
198 //mono_class_init (this_argument->vtable->klass);
201 klass = this_argument->vtable->klass->supertypes [m->klass->idepth - 1];
207 g_assert (vtable_slot || klass);
210 int displacement = vtable_slot - ((gpointer*)vt);
212 g_assert_not_reached ();
214 g_assert (displacement > 0);
216 actual_method = vt->klass->vtable [displacement];
220 MonoGenericContext context = { NULL, NULL };
223 declaring = mono_method_get_declaring_generic_method (m);
227 if (klass->generic_class)
228 context.class_inst = klass->generic_class->context.class_inst;
229 else if (klass->generic_container)
230 context.class_inst = klass->generic_container->context.class_inst;
231 context.method_inst = method_inst;
233 actual_method = mono_class_inflate_generic_method (declaring, &context);
235 actual_method = mono_class_get_method_generic (klass, m);
239 g_assert (actual_method->klass == klass);
241 if (actual_method->is_inflated)
242 declaring = mono_method_get_declaring_generic_method (actual_method);
249 addr = mono_compile_method (m);
252 mono_debugger_trampoline_compiled (m, addr);
254 /* the method was jumped to */
258 vtable_slot = mono_arch_get_vcall_slot_addr (code, (gpointer*)regs);
261 if (m->klass->valuetype)
262 addr = get_unbox_trampoline (mono_get_generic_context_from_code (code), m, addr);
264 g_assert (*vtable_slot);
266 if (mono_aot_is_got_entry (code, (guint8*)vtable_slot) || mono_domain_owns_vtable_slot (mono_domain_get (), vtable_slot)) {
267 #ifdef MONO_ARCH_HAVE_IMT
268 vtable_slot = mono_convert_imt_slot_to_vtable_slot (vtable_slot, (gpointer*)regs, code, m, NULL);
270 *vtable_slot = mono_get_addr_from_ftnptr (addr);
273 else if (!generic_shared || mono_domain_lookup_shared_generic (mono_domain_get (), declaring)) {
274 guint8 *plt_entry = mono_aot_get_plt_entry (code);
277 g_assert (mono_method_is_generic_sharable_impl (m, FALSE));
279 /* Patch calling code */
281 mono_arch_patch_plt_entry (plt_entry, addr);
284 mono_jit_info_table_find (mono_domain_get (), (char*)code);
285 MonoJitInfo *target_ji =
286 mono_jit_info_table_find (mono_domain_get (), mono_get_addr_from_ftnptr (addr));
288 if (mono_method_same_domain (ji, target_ji))
289 mono_arch_patch_callsite (ji->code_start, code, addr);
297 * mono_aot_trampoline:
299 * This trampoline handles calls made from AOT code. We try to bypass the
300 * normal JIT compilation logic to avoid loading the metadata for the method.
302 #ifdef MONO_ARCH_HAVE_CREATE_TRAMPOLINE_FROM_TOKEN
304 mono_aot_trampoline (gssize *regs, guint8 *code, guint8 *token_info,
309 MonoMethod *method = NULL;
311 gpointer *vtable_slot;
312 gboolean is_got_entry;
314 image = *(gpointer*)(gpointer)token_info;
315 token_info += sizeof (gpointer);
316 token = *(guint32*)(gpointer)token_info;
318 addr = mono_aot_get_method_from_token (mono_domain_get (), image, token);
320 method = mono_get_method (image, token, NULL);
323 //printf ("F: %s\n", mono_method_full_name (method, TRUE));
325 if (method->iflags & METHOD_IMPL_ATTRIBUTE_SYNCHRONIZED)
326 method = mono_marshal_get_synchronized_wrapper (method);
328 addr = mono_compile_method (method);
332 vtable_slot = mono_arch_get_vcall_slot_addr (code, (gpointer*)regs);
335 is_got_entry = mono_aot_is_got_entry (code, (guint8*)vtable_slot);
339 method = mono_get_method (image, token, NULL);
340 if (method->klass->valuetype)
341 addr = get_unbox_trampoline (mono_get_generic_context_from_code (code), method, addr);
344 /* This is a normal call through a PLT entry */
345 guint8 *plt_entry = mono_aot_get_plt_entry (code);
347 g_assert (plt_entry);
349 mono_arch_patch_plt_entry (plt_entry, addr);
351 is_got_entry = FALSE;
355 * Since AOT code is only used in the root domain,
356 * mono_domain_get () != mono_get_root_domain () means the calling method
357 * is AppDomain:InvokeInDomain, so this is the same check as in
358 * mono_method_same_domain () but without loading the metadata for the method.
360 if ((is_got_entry && (mono_domain_get () == mono_get_root_domain ())) || mono_domain_owns_vtable_slot (mono_domain_get (), vtable_slot)) {
361 #ifdef MONO_ARCH_HAVE_IMT
363 method = mono_get_method (image, token, NULL);
364 vtable_slot = mono_convert_imt_slot_to_vtable_slot (vtable_slot, (gpointer*)regs, code, method, NULL);
373 * mono_aot_plt_trampoline:
375 * This trampoline handles calls made from AOT code through the PLT table.
378 mono_aot_plt_trampoline (gssize *regs, guint8 *code, guint8 *aot_module,
381 guint32 plt_info_offset = mono_aot_get_plt_info_offset (regs, code);
383 return mono_aot_plt_resolve (aot_module, plt_info_offset, code);
388 * mono_class_init_trampoline:
390 * This method calls mono_runtime_class_init () to run the static constructor
391 * for the type, then patches the caller code so it is not called again.
394 mono_class_init_trampoline (gssize *regs, guint8 *code, MonoVTable *vtable, guint8 *tramp)
396 guint8 *plt_entry = mono_aot_get_plt_entry (code);
398 mono_runtime_class_init (vtable);
400 if (!mono_running_on_valgrind ()) {
402 mono_arch_nullify_plt_entry (plt_entry);
404 mono_arch_nullify_class_init_trampoline (code, regs);
410 * mono_generic_class_init_trampoline:
412 * This method calls mono_runtime_class_init () to run the static constructor
416 mono_generic_class_init_trampoline (gssize *regs, guint8 *code, MonoVTable *vtable, guint8 *tramp)
418 g_assert (!vtable->initialized);
420 mono_runtime_class_init (vtable);
424 mono_rgctx_lazy_fetch_trampoline (gssize *regs, guint8 *code, gpointer data, guint8 *tramp)
426 static gboolean inited = FALSE;
427 static int num_lookups = 0;
429 guint32 slot = mono_arch_get_rgctx_lazy_fetch_offset ((gpointer*)regs);
430 guint32 index = MONO_RGCTX_SLOT_INDEX (slot);
431 gboolean mrgctx = MONO_RGCTX_SLOT_IS_MRGCTX (slot);
434 mono_counters_register ("RGCTX unmanaged lookups", MONO_COUNTER_GENERICS | MONO_COUNTER_INT, &num_lookups);
441 return mono_method_fill_runtime_generic_context (data, index);
443 return mono_class_fill_runtime_generic_context (data, index);
446 #ifdef MONO_ARCH_HAVE_CREATE_DELEGATE_TRAMPOLINE
449 * mono_delegate_trampoline:
451 * This trampoline handles calls made to Delegate:Invoke ().
452 * This is called once the first time a delegate is invoked, so it must be fast.
455 mono_delegate_trampoline (gssize *regs, guint8 *code, gpointer *tramp_data, guint8* tramp)
457 MonoDomain *domain = mono_domain_get ();
458 MonoDelegate *delegate;
461 MonoMethod *method = NULL;
462 gboolean multicast, callvirt;
463 MonoMethod *invoke = tramp_data [0];
464 guint8 *impl_this = tramp_data [1];
465 guint8 *impl_nothis = tramp_data [2];
467 /* Obtain the delegate object according to the calling convention */
470 * Avoid calling mono_get_generic_context_from_code () now since it is expensive,
471 * get_this_arg_from_call will call it if needed.
473 delegate = mono_arch_get_this_arg_from_call (NULL, mono_method_signature (invoke), regs, code);
475 if (!delegate->method_ptr && delegate->method) {
476 /* The delegate was initialized by mini_delegate_ctor */
477 method = delegate->method;
479 if (delegate->target && delegate->target->vtable->klass == mono_defaults.transparent_proxy_class)
480 method = mono_marshal_get_remoting_invoke (method);
481 else if (mono_method_signature (method)->hasthis && method->klass->valuetype)
482 method = mono_marshal_get_unbox_wrapper (method);
483 } else if (delegate->method) {
484 method = delegate->method;
486 ji = mono_jit_info_table_find (domain, mono_get_addr_from_ftnptr (delegate->method_ptr));
490 callvirt = !delegate->target && method && mono_method_signature (method)->hasthis;
493 * If the called address is a trampoline, replace it with the compiled method so
494 * further calls don't have to go through the trampoline.
496 if (method && !callvirt) {
497 delegate->method_ptr = mono_compile_method (method);
498 mono_debugger_trampoline_compiled (method, delegate->method_ptr);
501 multicast = ((MonoMulticastDelegate*)delegate)->prev != NULL;
502 if (!multicast && !callvirt) {
503 code = delegate->target ? impl_this : impl_nothis;
506 delegate->invoke_impl = code;
511 /* The general, unoptimized case */
512 m = mono_marshal_get_delegate_invoke (invoke, delegate);
513 code = mono_compile_method (m);
514 delegate->invoke_impl = mono_get_addr_from_ftnptr (code);
515 mono_debugger_trampoline_compiled (m, delegate->invoke_impl);
523 * mono_get_trampoline_func:
525 * Return the C function which needs to be called by the generic trampoline of type
529 mono_get_trampoline_func (MonoTrampolineType tramp_type)
531 switch (tramp_type) {
532 case MONO_TRAMPOLINE_JIT:
533 case MONO_TRAMPOLINE_JUMP:
534 return mono_magic_trampoline;
535 case MONO_TRAMPOLINE_CLASS_INIT:
536 return mono_class_init_trampoline;
537 case MONO_TRAMPOLINE_GENERIC_CLASS_INIT:
538 return mono_generic_class_init_trampoline;
539 case MONO_TRAMPOLINE_RGCTX_LAZY_FETCH:
540 return mono_rgctx_lazy_fetch_trampoline;
541 #ifdef MONO_ARCH_AOT_SUPPORTED
542 case MONO_TRAMPOLINE_AOT:
543 return mono_aot_trampoline;
544 case MONO_TRAMPOLINE_AOT_PLT:
545 return mono_aot_plt_trampoline;
547 #ifdef MONO_ARCH_HAVE_CREATE_DELEGATE_TRAMPOLINE
548 case MONO_TRAMPOLINE_DELEGATE:
549 return mono_delegate_trampoline;
552 g_assert_not_reached ();
558 mono_trampolines_init (void)
560 InitializeCriticalSection (&trampolines_mutex);
565 mono_trampoline_code [MONO_TRAMPOLINE_JIT] = mono_arch_create_trampoline_code (MONO_TRAMPOLINE_JIT);
566 mono_trampoline_code [MONO_TRAMPOLINE_JUMP] = mono_arch_create_trampoline_code (MONO_TRAMPOLINE_JUMP);
567 mono_trampoline_code [MONO_TRAMPOLINE_CLASS_INIT] = mono_arch_create_trampoline_code (MONO_TRAMPOLINE_CLASS_INIT);
568 mono_trampoline_code [MONO_TRAMPOLINE_GENERIC_CLASS_INIT] = mono_arch_create_trampoline_code (MONO_TRAMPOLINE_GENERIC_CLASS_INIT);
569 mono_trampoline_code [MONO_TRAMPOLINE_RGCTX_LAZY_FETCH] = mono_arch_create_trampoline_code (MONO_TRAMPOLINE_RGCTX_LAZY_FETCH);
570 #ifdef MONO_ARCH_AOT_SUPPORTED
571 mono_trampoline_code [MONO_TRAMPOLINE_AOT] = mono_arch_create_trampoline_code (MONO_TRAMPOLINE_AOT);
572 mono_trampoline_code [MONO_TRAMPOLINE_AOT_PLT] = mono_arch_create_trampoline_code (MONO_TRAMPOLINE_AOT_PLT);
574 #ifdef MONO_ARCH_HAVE_CREATE_DELEGATE_TRAMPOLINE
575 mono_trampoline_code [MONO_TRAMPOLINE_DELEGATE] = mono_arch_create_trampoline_code (MONO_TRAMPOLINE_DELEGATE);
580 mono_trampolines_cleanup (void)
582 if (class_init_hash_addr)
583 g_hash_table_destroy (class_init_hash_addr);
584 if (delegate_trampoline_hash_addr)
585 g_hash_table_destroy (delegate_trampoline_hash_addr);
587 DeleteCriticalSection (&trampolines_mutex);
591 mono_get_trampoline_code (MonoTrampolineType tramp_type)
593 g_assert (mono_trampoline_code [tramp_type]);
595 return mono_trampoline_code [tramp_type];
599 mono_create_specific_trampoline (gpointer arg1, MonoTrampolineType tramp_type, MonoDomain *domain, guint32 *code_len)
602 return mono_aot_create_specific_trampoline (mono_defaults.corlib, arg1, tramp_type, domain, code_len);
604 return mono_arch_create_specific_trampoline (arg1, tramp_type, domain, code_len);
608 mono_create_class_init_trampoline (MonoVTable *vtable)
612 g_assert (!vtable->klass->generic_container);
614 /* previously created trampoline code */
615 mono_domain_lock (vtable->domain);
617 g_hash_table_lookup (vtable->domain->class_init_trampoline_hash,
619 mono_domain_unlock (vtable->domain);
623 code = mono_create_specific_trampoline (vtable, MONO_TRAMPOLINE_CLASS_INIT, vtable->domain, NULL);
625 ptr = mono_create_ftnptr (vtable->domain, code);
627 /* store trampoline address */
628 mono_domain_lock (vtable->domain);
629 g_hash_table_insert (vtable->domain->class_init_trampoline_hash,
631 mono_domain_unlock (vtable->domain);
633 mono_trampolines_lock ();
634 if (!class_init_hash_addr)
635 class_init_hash_addr = g_hash_table_new (NULL, NULL);
636 g_hash_table_insert (class_init_hash_addr, ptr, vtable);
637 mono_trampolines_unlock ();
643 mono_create_jump_trampoline (MonoDomain *domain, MonoMethod *method,
644 gboolean add_sync_wrapper)
648 guint32 code_size = 0;
650 if (add_sync_wrapper && method->iflags & METHOD_IMPL_ATTRIBUTE_SYNCHRONIZED)
651 return mono_create_jump_trampoline (domain, mono_marshal_get_synchronized_wrapper (method), FALSE);
653 code = mono_jit_find_compiled_method (domain, method);
657 mono_domain_lock (domain);
658 code = g_hash_table_lookup (domain->jump_trampoline_hash, method);
659 mono_domain_unlock (domain);
663 code = mono_create_specific_trampoline (method, MONO_TRAMPOLINE_JUMP, mono_domain_get (), &code_size);
664 g_assert (code_size);
666 mono_domain_lock (domain);
667 ji = mono_mempool_alloc0 (domain->mp, sizeof (MonoJitInfo));
668 mono_domain_unlock (domain);
669 ji->code_start = code;
670 ji->code_size = code_size;
674 * mono_delegate_ctor needs to find the method metadata from the
675 * trampoline address, so we save it here.
678 mono_jit_info_table_add (domain, ji);
680 mono_domain_lock (domain);
681 g_hash_table_insert (domain->jump_trampoline_hash, method, ji->code_start);
682 mono_domain_unlock (domain);
684 return ji->code_start;
688 mono_create_jit_trampoline_in_domain (MonoDomain *domain, MonoMethod *method, gboolean add_sync_wrapper)
693 /* Avoid creating trampolines if possible */
694 gpointer code = mono_jit_find_compiled_method (domain, method);
700 mono_domain_lock (domain);
701 tramp = g_hash_table_lookup (domain->jit_trampoline_hash, method);
702 mono_domain_unlock (domain);
706 if ((method->iflags & METHOD_IMPL_ATTRIBUTE_SYNCHRONIZED) && add_sync_wrapper)
707 return mono_create_jit_trampoline (mono_marshal_get_synchronized_wrapper (method));
709 tramp = mono_create_specific_trampoline (method, MONO_TRAMPOLINE_JIT, domain, NULL);
711 mono_domain_lock (domain);
712 g_hash_table_insert (domain->jit_trampoline_hash, method, tramp);
713 mono_domain_unlock (domain);
715 mono_jit_stats.method_trampolines++;
721 mono_create_jit_trampoline (MonoMethod *method)
723 return mono_create_jit_trampoline_in_domain (mono_domain_get (), method, TRUE);
726 #ifdef MONO_ARCH_HAVE_CREATE_TRAMPOLINE_FROM_TOKEN
728 mono_create_jit_trampoline_from_token (MonoImage *image, guint32 token)
732 MonoDomain *domain = mono_domain_get ();
735 mono_domain_lock (domain);
736 buf = start = mono_code_manager_reserve (domain->code_mp, 2 * sizeof (gpointer));
737 mono_domain_unlock (domain);
739 *(gpointer*)(gpointer)buf = image;
740 buf += sizeof (gpointer);
741 *(guint32*)(gpointer)buf = token;
743 tramp = mono_create_specific_trampoline (start, MONO_TRAMPOLINE_AOT, domain, NULL);
745 mono_jit_stats.method_trampolines++;
752 mono_create_delegate_trampoline (MonoClass *klass)
754 #ifdef MONO_ARCH_HAVE_CREATE_DELEGATE_TRAMPOLINE
755 MonoDomain *domain = mono_domain_get ();
757 guint32 code_size = 0;
758 gpointer *tramp_data;
761 mono_domain_lock (domain);
762 ptr = g_hash_table_lookup (domain->delegate_trampoline_hash, klass);
763 mono_domain_unlock (domain);
767 // Precompute the delegate invoke impl and pass it to the delegate trampoline
768 invoke = mono_get_delegate_invoke (klass);
771 mono_domain_lock (domain );
772 tramp_data = mono_mempool_alloc (domain->mp, sizeof (gpointer) * 3);
773 mono_domain_unlock (domain);
774 tramp_data [0] = invoke;
776 tramp_data [1] = NULL;
777 tramp_data [2] = NULL;
779 tramp_data [1] = mono_arch_get_delegate_invoke_impl (mono_method_signature (invoke), TRUE);
780 tramp_data [2] = mono_arch_get_delegate_invoke_impl (mono_method_signature (invoke), FALSE);
783 ptr = mono_create_specific_trampoline (tramp_data, MONO_TRAMPOLINE_DELEGATE, mono_domain_get (), &code_size);
784 g_assert (code_size);
786 /* store trampoline address */
787 mono_domain_lock (domain);
788 g_hash_table_insert (domain->delegate_trampoline_hash,
790 mono_domain_unlock (domain);
792 mono_trampolines_lock ();
793 if (!delegate_trampoline_hash_addr)
794 delegate_trampoline_hash_addr = g_hash_table_new (NULL, NULL);
795 g_hash_table_insert (delegate_trampoline_hash_addr, ptr, klass);
796 mono_trampolines_unlock ();
805 mono_find_class_init_trampoline_by_addr (gconstpointer addr)
809 mono_trampolines_lock ();
810 if (class_init_hash_addr)
811 res = g_hash_table_lookup (class_init_hash_addr, addr);
814 mono_trampolines_unlock ();
819 mono_find_delegate_trampoline_by_addr (gconstpointer addr)
823 mono_trampolines_lock ();
824 if (delegate_trampoline_hash_addr)
825 res = g_hash_table_lookup (delegate_trampoline_hash_addr, addr);
828 mono_trampolines_unlock ();