3 * Runtime code for the JIT
6 * Paolo Molaro (lupus@ximian.com)
7 * Dietmar Maurer (dietmar@ximian.com)
9 * Copyright 2002-2003 Ximian, Inc.
10 * Copyright 2003-2010 Novell, Inc.
11 * Copyright 2011-2015 Xamarin, Inc (http://www.xamarin.com)
12 * Licensed under the MIT license. See LICENSE file in the project root for full license information.
23 #ifdef HAVE_SYS_TIME_H
30 #include <mono/utils/memcheck.h>
32 #include <mono/metadata/assembly.h>
33 #include <mono/metadata/loader.h>
34 #include <mono/metadata/tabledefs.h>
35 #include <mono/metadata/class.h>
36 #include <mono/metadata/object.h>
37 #include <mono/metadata/tokentype.h>
38 #include <mono/metadata/tabledefs.h>
39 #include <mono/metadata/threads.h>
40 #include <mono/metadata/appdomain.h>
41 #include <mono/metadata/debug-helpers.h>
42 #include "mono/metadata/profiler.h"
43 #include <mono/metadata/profiler-private.h>
44 #include <mono/metadata/mono-config.h>
45 #include <mono/metadata/environment.h>
46 #include <mono/metadata/mono-debug.h>
47 #include <mono/metadata/gc-internals.h>
48 #include <mono/metadata/threads-types.h>
49 #include <mono/metadata/mempool-internals.h>
50 #include <mono/metadata/attach.h>
51 #include <mono/metadata/runtime.h>
52 #include <mono/metadata/reflection-internals.h>
53 #include <mono/metadata/monitor.h>
54 #include <mono/utils/mono-math.h>
55 #include <mono/utils/mono-compiler.h>
56 #include <mono/utils/mono-counters.h>
57 #include <mono/utils/mono-error-internals.h>
58 #include <mono/utils/mono-logger-internals.h>
59 #include <mono/utils/mono-mmap.h>
60 #include <mono/utils/mono-path.h>
61 #include <mono/utils/mono-tls.h>
62 #include <mono/utils/mono-hwcap.h>
63 #include <mono/utils/dtrace.h>
64 #include <mono/utils/mono-signal-handler.h>
65 #include <mono/utils/mono-threads.h>
66 #include <mono/utils/mono-threads-coop.h>
67 #include <mono/utils/checked-build.h>
68 #include <mono/utils/mono-proclib.h>
69 #include <mono/metadata/w32handle.h>
70 #include <mono/metadata/threadpool.h>
73 #include "seq-points.h"
80 #include "jit-icalls.h"
83 #include "mini-llvm.h"
84 #include "debugger-agent.h"
87 #ifdef MONO_ARCH_LLVM_SUPPORTED
89 #include "mini-llvm-cpp.h"
94 #ifdef ENABLE_INTERPRETER
95 #include "interp/interp.h"
98 static guint32 default_opt = 0;
99 static gboolean default_opt_set = FALSE;
101 gboolean mono_compile_aot = FALSE;
102 /* If this is set, no code is generated dynamically, everything is taken from AOT files */
103 gboolean mono_aot_only = FALSE;
104 /* Same as mono_aot_only, but only LLVM compiled code is used, no trampolines */
105 gboolean mono_llvm_only = FALSE;
106 MonoAotMode mono_aot_mode = MONO_AOT_MODE_NONE;
108 const char *mono_build_date;
109 gboolean mono_do_signal_chaining;
110 gboolean mono_do_crash_chaining;
111 int mini_verbose = 0;
114 * This flag controls whenever the runtime uses LLVM for JIT compilation, and whenever
115 * it can load AOT code compiled by LLVM.
117 gboolean mono_use_llvm = FALSE;
119 gboolean mono_use_interpreter = FALSE;
121 #define mono_jit_lock() mono_os_mutex_lock (&jit_mutex)
122 #define mono_jit_unlock() mono_os_mutex_unlock (&jit_mutex)
123 static mono_mutex_t jit_mutex;
125 static MonoCodeManager *global_codeman;
127 MonoDebugOptions debug_options;
129 #ifdef VALGRIND_JIT_REGISTER_MAP
130 int valgrind_register;
132 GList* mono_aot_paths;
134 static gboolean mini_enable_profiler = FALSE;
135 static char* mini_profiler_options = NULL;
137 static GSList *tramp_infos;
139 static void register_icalls (void);
141 static gboolean mini_profiler_enabled (void) { return mini_enable_profiler; }
142 static const char* mini_profiler_get_options (void) { return mini_profiler_options; }
145 mono_running_on_valgrind (void)
148 if (RUNNING_ON_VALGRIND){
149 #ifdef VALGRIND_JIT_REGISTER_MAP
150 valgrind_register = TRUE;
164 find_tramp (gpointer key, gpointer value, gpointer user_data)
166 FindTrampUserData *ud = (FindTrampUserData*)user_data;
169 ud->method = (MonoMethod*)key;
173 G_GNUC_UNUSED static char*
174 get_method_from_ip (void *ip)
180 MonoDomain *domain = mono_domain_get ();
181 MonoDebugSourceLocation *location;
182 FindTrampUserData user_data;
185 domain = mono_get_root_domain ();
187 ji = mono_jit_info_table_find_internal (domain, (char *)ip, TRUE, TRUE);
190 user_data.method = NULL;
191 mono_domain_lock (domain);
192 g_hash_table_foreach (domain_jit_info (domain)->jit_trampoline_hash, find_tramp, &user_data);
193 mono_domain_unlock (domain);
194 if (user_data.method) {
195 char *mname = mono_method_full_name (user_data.method, TRUE);
196 res = g_strdup_printf ("<%p - JIT trampoline for %s>", ip, mname);
202 } else if (ji->is_trampoline) {
203 res = g_strdup_printf ("<%p - %s trampoline>", ip, ((MonoTrampInfo*)ji->d.tramp_info)->name);
207 method = jinfo_get_method (ji);
208 method_name = mono_method_full_name (method, TRUE);
209 /* FIXME: unused ? */
210 location = mono_debug_lookup_source_location (method, (guint32)((guint8*)ip - (guint8*)ji->code_start), domain);
212 res = g_strdup_printf (" %s {%p} + 0x%x (%p %p) [%p - %s]", method_name, method, (int)((char*)ip - (char*)ji->code_start), ji->code_start, (char*)ji->code_start + ji->code_size, domain, domain->friendly_name);
214 mono_debug_free_source_location (location);
215 g_free (method_name);
222 * \param ip an instruction pointer address
224 * This method is used from a debugger to get the name of the
225 * method at address \p ip. This routine is typically invoked from
226 * a debugger like this:
228 * (gdb) print mono_pmip ($pc)
230 * \returns the name of the method at address \p ip.
235 return get_method_from_ip (ip);
239 * mono_print_method_from_ip:
240 * \param ip an instruction pointer address
242 * This method is used from a debugger to get the name of the
243 * method at address \p ip.
245 * This prints the name of the method at address \p ip in the standard
246 * output. Unlike \c mono_pmip which returns a string, this routine
247 * prints the value on the standard output.
250 mono_print_method_from_ip (void *ip)
254 MonoDebugSourceLocation *source;
255 MonoDomain *domain = mono_domain_get ();
256 MonoDomain *target_domain = mono_domain_get ();
257 FindTrampUserData user_data;
258 MonoGenericSharingContext*gsctx;
259 const char *shared_type;
262 domain = mono_get_root_domain ();
263 ji = mini_jit_info_table_find_ext (domain, (char *)ip, TRUE, &target_domain);
264 if (ji && ji->is_trampoline) {
265 MonoTrampInfo *tinfo = (MonoTrampInfo *)ji->d.tramp_info;
267 printf ("IP %p is at offset 0x%x of trampoline '%s'.\n", ip, (int)((guint8*)ip - tinfo->code), tinfo->name);
273 user_data.method = NULL;
274 mono_domain_lock (domain);
275 g_hash_table_foreach (domain_jit_info (domain)->jit_trampoline_hash, find_tramp, &user_data);
276 mono_domain_unlock (domain);
278 if (user_data.method) {
279 char *mname = mono_method_full_name (user_data.method, TRUE);
280 printf ("IP %p is a JIT trampoline for %s\n", ip, mname);
285 g_print ("No method at %p\n", ip);
289 method = mono_method_full_name (jinfo_get_method (ji), TRUE);
290 source = mono_debug_lookup_source_location (jinfo_get_method (ji), (guint32)((guint8*)ip - (guint8*)ji->code_start), target_domain);
292 gsctx = mono_jit_info_get_generic_sharing_context (ji);
295 if (gsctx->is_gsharedvt)
296 shared_type = "gsharedvt ";
298 shared_type = "gshared ";
301 g_print ("IP %p at offset 0x%x of %smethod %s (%p %p)[domain %p - %s]\n", ip, (int)((char*)ip - (char*)ji->code_start), shared_type, method, ji->code_start, (char*)ji->code_start + ji->code_size, target_domain, target_domain->friendly_name);
304 g_print ("%s:%d\n", source->source_file, source->row);
307 mono_debug_free_source_location (source);
312 * mono_method_same_domain:
314 * Determine whenever two compiled methods are in the same domain, thus
315 * the address of the callee can be embedded in the caller.
317 gboolean mono_method_same_domain (MonoJitInfo *caller, MonoJitInfo *callee)
321 if (!caller || caller->is_trampoline || !callee || callee->is_trampoline)
325 * If the call was made from domain-neutral to domain-specific
326 * code, we can't patch the call site.
328 if (caller->domain_neutral && !callee->domain_neutral)
331 cmethod = jinfo_get_method (caller);
332 if ((cmethod->klass == mono_defaults.appdomain_class) &&
333 (strstr (cmethod->name, "InvokeInDomain"))) {
334 /* The InvokeInDomain methods change the current appdomain */
342 * mono_global_codeman_reserve:
344 * Allocate code memory from the global code manager.
346 void *mono_global_codeman_reserve (int size)
351 g_error ("Attempting to allocate from the global code manager while running in aot-only mode.\n");
353 if (!global_codeman) {
354 /* This can happen during startup */
355 global_codeman = mono_code_manager_new ();
356 return mono_code_manager_reserve (global_codeman, size);
360 ptr = mono_code_manager_reserve (global_codeman, size);
366 /* The callback shouldn't take any locks */
368 mono_global_codeman_foreach (MonoCodeManagerFunc func, void *user_data)
371 mono_code_manager_foreach (global_codeman, func, user_data);
376 * mono_create_unwind_op:
378 * Create an unwind op with the given parameters.
381 mono_create_unwind_op (int when, int tag, int reg, int val)
383 MonoUnwindOp *op = g_new0 (MonoUnwindOp, 1);
394 mono_jump_info_token_new2 (MonoMemPool *mp, MonoImage *image, guint32 token, MonoGenericContext *context)
396 MonoJumpInfoToken *res = (MonoJumpInfoToken *)mono_mempool_alloc0 (mp, sizeof (MonoJumpInfoToken));
399 res->has_context = context != NULL;
401 memcpy (&res->context, context, sizeof (MonoGenericContext));
407 mono_jump_info_token_new (MonoMemPool *mp, MonoImage *image, guint32 token)
409 return mono_jump_info_token_new2 (mp, image, token, NULL);
413 * mono_tramp_info_create:
415 * Create a MonoTrampInfo structure from the arguments. This function assumes ownership
416 * of JI, and UNWIND_OPS.
419 mono_tramp_info_create (const char *name, guint8 *code, guint32 code_size, MonoJumpInfo *ji, GSList *unwind_ops)
421 MonoTrampInfo *info = g_new0 (MonoTrampInfo, 1);
423 info->name = g_strdup ((char*)name);
425 info->code_size = code_size;
427 info->unwind_ops = unwind_ops;
433 mono_tramp_info_free (MonoTrampInfo *info)
438 mono_free_unwind_info (info->unwind_ops);
439 if (info->owns_uw_info)
440 g_free (info->uw_info);
445 register_trampoline_jit_info (MonoDomain *domain, MonoTrampInfo *info)
449 ji = (MonoJitInfo *)mono_domain_alloc0 (domain, mono_jit_info_size ((MonoJitInfoFlags)0, 0, 0));
450 mono_jit_info_init (ji, NULL, info->code, info->code_size, (MonoJitInfoFlags)0, 0, 0);
451 ji->d.tramp_info = info;
452 ji->is_trampoline = TRUE;
454 ji->unwind_info = mono_cache_unwind_info (info->uw_info, info->uw_info_len);
456 mono_jit_info_table_add (domain, ji);
460 * mono_tramp_info_register:
462 * Remember INFO for use by xdebug, mono_print_method_from_ip (), jit maps, etc.
467 mono_tramp_info_register_internal (MonoTrampInfo *info, MonoDomain *domain, gboolean aot)
475 domain = mono_get_root_domain ();
478 copy = mono_domain_alloc0 (domain, sizeof (MonoTrampInfo));
480 copy = g_new0 (MonoTrampInfo, 1);
482 copy->code = info->code;
483 copy->code_size = info->code_size;
484 copy->name = g_strdup (info->name);
486 if (info->unwind_ops) {
487 copy->uw_info = mono_unwind_ops_encode (info->unwind_ops, ©->uw_info_len);
488 copy->owns_uw_info = TRUE;
490 /* Move unwind info into the domain's memory pool so that it is removed once the domain is released. */
491 guint8 *temp = copy->uw_info;
492 copy->uw_info = mono_domain_alloc (domain, copy->uw_info_len);
493 memcpy (copy->uw_info, temp, copy->uw_info_len);
497 /* Trampolines from aot have the unwind ops already encoded */
498 copy->uw_info = info->uw_info;
499 copy->uw_info_len = info->uw_info_len;
502 mono_save_trampoline_xdebug_info (info);
503 mono_lldb_save_trampoline_info (info);
505 #ifdef MONO_ARCH_HAVE_UNWIND_TABLE
507 mono_arch_unwindinfo_install_tramp_unwind_info (info->unwind_ops, info->code, info->code_size);
511 /* If no root domain has been created yet, postpone the registration. */
513 tramp_infos = g_slist_prepend (tramp_infos, copy);
515 } else if (copy->uw_info) {
516 /* Only register trampolines that have unwind infos */
517 register_trampoline_jit_info (domain, copy);
520 if (mono_jit_map_is_enabled ())
521 mono_emit_jit_tramp (info->code, info->code_size, info->name);
523 mono_tramp_info_free (info);
527 mono_tramp_info_register (MonoTrampInfo *info, MonoDomain *domain)
529 mono_tramp_info_register_internal (info, domain, FALSE);
533 mono_aot_tramp_info_register (MonoTrampInfo *info, MonoDomain *domain)
535 mono_tramp_info_register_internal (info, domain, TRUE);
539 mono_tramp_info_cleanup (void)
543 for (l = tramp_infos; l; l = l->next) {
544 MonoTrampInfo *info = (MonoTrampInfo *)l->data;
546 mono_tramp_info_free (info);
548 g_slist_free (tramp_infos);
551 /* Register trampolines created before the root domain was created in the jit info tables */
553 register_trampolines (MonoDomain *domain)
557 for (l = tramp_infos; l; l = l->next) {
558 MonoTrampInfo *info = (MonoTrampInfo *)l->data;
560 register_trampoline_jit_info (domain, info);
564 G_GNUC_UNUSED static void
570 * Runtime debugging tool, use if (debug_count ()) <x> else <y> to do <x> the first COUNT times, then do <y> afterwards.
571 * Set a breakpoint in break_count () to break the last time <x> is done.
573 G_GNUC_UNUSED gboolean
574 mono_debug_count (void)
576 static int count = 0, int_val = 0;
577 static gboolean inited;
582 char *value = g_getenv ("COUNT");
584 int_val = atoi (value);
593 if (count == int_val)
603 mono_icall_get_wrapper_full (MonoJitICallInfo* callinfo, gboolean do_compile)
608 gconstpointer trampoline;
609 MonoDomain *domain = mono_get_root_domain ();
610 gboolean check_exc = TRUE;
612 if (callinfo->wrapper)
613 return callinfo->wrapper;
615 if (callinfo->trampoline)
616 return callinfo->trampoline;
618 if (!strcmp (callinfo->name, "mono_thread_interruption_checkpoint"))
619 /* This icall is used to check for exceptions, so don't check in the wrapper */
622 name = g_strdup_printf ("__icall_wrapper_%s", callinfo->name);
623 wrapper = mono_marshal_get_icall_wrapper (callinfo->sig, name, callinfo->func, check_exc);
627 trampoline = mono_compile_method_checked (wrapper, &error);
628 mono_error_assert_ok (&error);
631 trampoline = mono_create_jit_trampoline (domain, wrapper, &error);
632 mono_error_assert_ok (&error);
633 trampoline = mono_create_ftnptr (domain, (gpointer)trampoline);
637 if (!callinfo->trampoline) {
638 mono_register_jit_icall_wrapper (callinfo, trampoline);
639 callinfo->trampoline = trampoline;
641 mono_loader_unlock ();
643 return callinfo->trampoline;
647 mono_icall_get_wrapper (MonoJitICallInfo* callinfo)
649 return mono_icall_get_wrapper_full (callinfo, FALSE);
652 static MonoJitDynamicMethodInfo*
653 mono_dynamic_code_hash_lookup (MonoDomain *domain, MonoMethod *method)
655 MonoJitDynamicMethodInfo *res;
657 if (domain_jit_info (domain)->dynamic_code_hash)
658 res = (MonoJitDynamicMethodInfo *)g_hash_table_lookup (domain_jit_info (domain)->dynamic_code_hash, method);
665 register_opcode_emulation (int opcode, const char *name, const char *sigstr, gpointer func, const char *symbol, gboolean no_throw)
668 mini_register_opcode_emulation (opcode, name, sigstr, func, symbol, no_throw);
670 MonoMethodSignature *sig = mono_create_icall_signature (sigstr);
672 g_assert (!sig->hasthis);
673 g_assert (sig->param_count < 3);
675 /* Opcode emulation functions are assumed to don't call mono_raise_exception () */
676 mono_register_jit_icall_full (func, name, sig, no_throw, TRUE, symbol);
681 * For JIT icalls implemented in C.
682 * NAME should be the same as the name of the C function whose address is FUNC.
683 * If @avoid_wrapper is TRUE, no wrapper is generated. This is for perf critical icalls which
684 * can't throw exceptions.
687 register_icall (gpointer func, const char *name, const char *sigstr, gboolean avoid_wrapper)
689 MonoMethodSignature *sig;
692 sig = mono_create_icall_signature (sigstr);
696 mono_register_jit_icall_full (func, name, sig, avoid_wrapper, FALSE, avoid_wrapper ? name : NULL);
700 register_icall_no_wrapper (gpointer func, const char *name, const char *sigstr)
702 MonoMethodSignature *sig;
705 sig = mono_create_icall_signature (sigstr);
709 mono_register_jit_icall_full (func, name, sig, TRUE, FALSE, name);
713 register_icall_with_wrapper (gpointer func, const char *name, const char *sigstr)
715 MonoMethodSignature *sig;
718 sig = mono_create_icall_signature (sigstr);
722 mono_register_jit_icall_full (func, name, sig, FALSE, FALSE, NULL);
726 register_dyn_icall (gpointer func, const char *name, const char *sigstr, gboolean save)
728 MonoMethodSignature *sig;
731 sig = mono_create_icall_signature (sigstr);
735 mono_register_jit_icall (func, name, sig, save);
741 MonoJitTlsData *jit_tls;
743 if ((jit_tls = mono_tls_get_jit_tls ()))
746 * We do not assert here because this function can be called from
747 * mini-gc.c on a thread that has not executed any managed code, yet
748 * (the thread object allocation can trigger a collection).
754 mono_get_lmf_addr (void)
756 return (MonoLMF **)mono_tls_get_lmf_addr ();
760 mono_set_lmf (MonoLMF *lmf)
762 (*mono_get_lmf_addr ()) = lmf;
766 mono_get_jit_tls (void)
768 return (MonoJitTlsData *)mono_tls_get_jit_tls ();
772 mono_set_jit_tls (MonoJitTlsData *jit_tls)
774 MonoThreadInfo *info;
776 mono_tls_set_jit_tls (jit_tls);
778 /* Save it into MonoThreadInfo so it can be accessed by mono_thread_state_init_from_handle () */
779 info = mono_thread_info_current ();
781 mono_thread_info_tls_set (info, TLS_KEY_JIT_TLS, jit_tls);
785 mono_set_lmf_addr (gpointer lmf_addr)
787 MonoThreadInfo *info;
789 mono_tls_set_lmf_addr (lmf_addr);
791 /* Save it into MonoThreadInfo so it can be accessed by mono_thread_state_init_from_handle () */
792 info = mono_thread_info_current ();
794 mono_thread_info_tls_set (info, TLS_KEY_LMF_ADDR, lmf_addr);
800 * Push an MonoLMFExt frame on the LMF stack.
803 mono_push_lmf (MonoLMFExt *ext)
805 #ifdef MONO_ARCH_HAVE_INIT_LMF_EXT
808 lmf_addr = mono_get_lmf_addr ();
810 mono_arch_init_lmf_ext (ext, *lmf_addr);
812 mono_set_lmf ((MonoLMF*)ext);
821 * Pop the last frame from the LMF stack.
824 mono_pop_lmf (MonoLMF *lmf)
826 mono_set_lmf ((MonoLMF *)(((gssize)lmf->previous_lmf) & ~3));
830 * mono_jit_thread_attach:
832 * Called by Xamarin.Mac and other products. Attach thread to runtime if
833 * needed and switch to @domain.
835 * @return the original domain which needs to be restored, or NULL.
838 mono_jit_thread_attach (MonoDomain *domain)
843 g_assert (!mono_threads_is_coop_enabled ());
846 /* Happens when called from AOTed code which is only used in the root domain. */
847 domain = mono_get_root_domain ();
852 attached = mono_tls_get_jit_tls () != NULL;
855 mono_thread_attach (domain);
858 mono_thread_set_state (mono_thread_internal_current (), ThreadState_Background);
861 orig = mono_domain_get ();
863 mono_domain_set (domain, TRUE);
865 return orig != domain ? orig : NULL;
869 * mono_jit_set_domain:
871 * Set domain to @domain if @domain is not null
874 mono_jit_set_domain (MonoDomain *domain)
876 g_assert (!mono_threads_is_coop_enabled ());
879 mono_domain_set (domain, TRUE);
884 * \param obj exception object
885 * Abort the thread, print exception information and stack trace
888 mono_thread_abort (MonoObject *obj)
890 /* MonoJitTlsData *jit_tls = (MonoJitTlsData *)mono_tls_get_jit_tls (); */
892 /* handle_remove should be eventually called for this thread, too
895 if ((mono_runtime_unhandled_exception_policy_get () == MONO_UNHANDLED_POLICY_LEGACY) ||
896 (obj->vtable->klass == mono_defaults.threadabortexception_class)) {
899 mono_invoke_unhandled_exception_hook (obj);
904 setup_jit_tls_data (gpointer stack_start, gpointer abort_func)
906 MonoJitTlsData *jit_tls;
909 jit_tls = (MonoJitTlsData *)mono_tls_get_jit_tls ();
913 jit_tls = g_new0 (MonoJitTlsData, 1);
915 jit_tls->abort_func = (void (*)(MonoObject *))abort_func;
916 jit_tls->end_of_stack = stack_start;
918 mono_set_jit_tls (jit_tls);
920 lmf = g_new0 (MonoLMF, 1);
921 MONO_ARCH_INIT_TOP_LMF_ENTRY (lmf);
923 jit_tls->first_lmf = lmf;
925 mono_set_lmf_addr (&jit_tls->lmf);
929 #ifdef MONO_ARCH_HAVE_TLS_INIT
930 mono_arch_tls_init ();
933 mono_setup_altstack (jit_tls);
939 free_jit_tls_data (MonoJitTlsData *jit_tls)
941 mono_arch_free_jit_tls_data (jit_tls);
942 mono_free_altstack (jit_tls);
944 g_free (jit_tls->first_lmf);
949 mono_thread_start_cb (intptr_t tid, gpointer stack_start, gpointer func)
951 MonoThreadInfo *thread;
952 void *jit_tls = setup_jit_tls_data (stack_start, mono_thread_abort);
953 thread = mono_thread_info_current_unchecked ();
955 thread->jit_data = jit_tls;
957 mono_arch_cpu_init ();
960 void (*mono_thread_attach_aborted_cb ) (MonoObject *obj) = NULL;
963 mono_thread_abort_dummy (MonoObject *obj)
965 if (mono_thread_attach_aborted_cb)
966 mono_thread_attach_aborted_cb (obj);
968 mono_thread_abort (obj);
972 mono_thread_attach_cb (intptr_t tid, gpointer stack_start)
974 MonoThreadInfo *thread;
975 void *jit_tls = setup_jit_tls_data (stack_start, mono_thread_abort_dummy);
976 thread = mono_thread_info_current_unchecked ();
978 thread->jit_data = jit_tls;
980 mono_arch_cpu_init ();
984 mini_thread_cleanup (MonoNativeThreadId tid)
986 MonoJitTlsData *jit_tls = NULL;
987 MonoThreadInfo *info;
989 info = mono_thread_info_current_unchecked ();
991 /* We can't clean up tls information if we are on another thread, it will clean up the wrong stuff
992 * It would be nice to issue a warning when this happens outside of the shutdown sequence. but it's
993 * not a trivial thing.
995 * The current offender is mono_thread_manage which cleanup threads from the outside.
997 if (info && mono_thread_info_get_tid (info) == tid) {
998 jit_tls = (MonoJitTlsData *)info->jit_data;
999 info->jit_data = NULL;
1001 mono_set_jit_tls (NULL);
1003 /* If we attach a thread but never call into managed land, we might never get an lmf.*/
1004 if (mono_get_lmf ()) {
1005 mono_set_lmf (NULL);
1006 mono_set_lmf_addr (NULL);
1009 info = mono_thread_info_lookup (tid);
1011 jit_tls = (MonoJitTlsData *)info->jit_data;
1012 info->jit_data = NULL;
1014 mono_hazard_pointer_clear (mono_hazard_pointer_get (), 1);
1018 free_jit_tls_data (jit_tls);
1022 mono_patch_info_list_prepend (MonoJumpInfo *list, int ip, MonoJumpInfoType type, gconstpointer target)
1024 MonoJumpInfo *ji = g_new0 (MonoJumpInfo, 1);
1028 ji->data.target = target;
1034 #if !defined(DISABLE_LOGGING) && !defined(DISABLE_JIT)
1036 static const char* const patch_info_str[] = {
1037 #define PATCH_INFO(a,b) "" #a,
1038 #include "patch-info.h"
1043 mono_ji_type_to_string (MonoJumpInfoType type)
1045 return patch_info_str [type];
1049 mono_print_ji (const MonoJumpInfo *ji)
1052 case MONO_PATCH_INFO_RGCTX_FETCH: {
1053 MonoJumpInfoRgctxEntry *entry = ji->data.rgctx_entry;
1055 printf ("[RGCTX_FETCH ");
1056 mono_print_ji (entry->data);
1057 printf (" - %s]", mono_rgctx_info_type_to_str (entry->info_type));
1060 case MONO_PATCH_INFO_METHODCONST: {
1061 char *s = mono_method_full_name (ji->data.method, TRUE);
1062 printf ("[METHODCONST - %s]", s);
1066 case MONO_PATCH_INFO_INTERNAL_METHOD: {
1067 printf ("[INTERNAL_METHOD - %s]", ji->data.name);
1071 printf ("[%s]", patch_info_str [ji->type]);
1079 mono_ji_type_to_string (MonoJumpInfoType type)
1085 mono_print_ji (const MonoJumpInfo *ji)
1092 * mono_patch_info_dup_mp:
1094 * Make a copy of PATCH_INFO, allocating memory from the mempool MP.
1097 mono_patch_info_dup_mp (MonoMemPool *mp, MonoJumpInfo *patch_info)
1099 MonoJumpInfo *res = (MonoJumpInfo *)mono_mempool_alloc (mp, sizeof (MonoJumpInfo));
1100 memcpy (res, patch_info, sizeof (MonoJumpInfo));
1102 switch (patch_info->type) {
1103 case MONO_PATCH_INFO_RVA:
1104 case MONO_PATCH_INFO_LDSTR:
1105 case MONO_PATCH_INFO_TYPE_FROM_HANDLE:
1106 case MONO_PATCH_INFO_LDTOKEN:
1107 case MONO_PATCH_INFO_DECLSEC:
1108 res->data.token = (MonoJumpInfoToken *)mono_mempool_alloc (mp, sizeof (MonoJumpInfoToken));
1109 memcpy (res->data.token, patch_info->data.token, sizeof (MonoJumpInfoToken));
1111 case MONO_PATCH_INFO_SWITCH:
1112 res->data.table = (MonoJumpInfoBBTable *)mono_mempool_alloc (mp, sizeof (MonoJumpInfoBBTable));
1113 memcpy (res->data.table, patch_info->data.table, sizeof (MonoJumpInfoBBTable));
1114 res->data.table->table = (MonoBasicBlock **)mono_mempool_alloc (mp, sizeof (MonoBasicBlock*) * patch_info->data.table->table_size);
1115 memcpy (res->data.table->table, patch_info->data.table->table, sizeof (MonoBasicBlock*) * patch_info->data.table->table_size);
1117 case MONO_PATCH_INFO_RGCTX_FETCH:
1118 case MONO_PATCH_INFO_RGCTX_SLOT_INDEX:
1119 res->data.rgctx_entry = (MonoJumpInfoRgctxEntry *)mono_mempool_alloc (mp, sizeof (MonoJumpInfoRgctxEntry));
1120 memcpy (res->data.rgctx_entry, patch_info->data.rgctx_entry, sizeof (MonoJumpInfoRgctxEntry));
1121 res->data.rgctx_entry->data = mono_patch_info_dup_mp (mp, res->data.rgctx_entry->data);
1123 case MONO_PATCH_INFO_DELEGATE_TRAMPOLINE:
1124 res->data.del_tramp = (MonoDelegateClassMethodPair *)mono_mempool_alloc0 (mp, sizeof (MonoDelegateClassMethodPair));
1125 memcpy (res->data.del_tramp, patch_info->data.del_tramp, sizeof (MonoDelegateClassMethodPair));
1127 case MONO_PATCH_INFO_GSHAREDVT_CALL:
1128 res->data.gsharedvt = (MonoJumpInfoGSharedVtCall *)mono_mempool_alloc (mp, sizeof (MonoJumpInfoGSharedVtCall));
1129 memcpy (res->data.gsharedvt, patch_info->data.gsharedvt, sizeof (MonoJumpInfoGSharedVtCall));
1131 case MONO_PATCH_INFO_GSHAREDVT_METHOD: {
1132 MonoGSharedVtMethodInfo *info;
1133 MonoGSharedVtMethodInfo *oinfo;
1136 oinfo = patch_info->data.gsharedvt_method;
1137 info = (MonoGSharedVtMethodInfo *)mono_mempool_alloc (mp, sizeof (MonoGSharedVtMethodInfo));
1138 res->data.gsharedvt_method = info;
1139 memcpy (info, oinfo, sizeof (MonoGSharedVtMethodInfo));
1140 info->entries = (MonoRuntimeGenericContextInfoTemplate *)mono_mempool_alloc (mp, sizeof (MonoRuntimeGenericContextInfoTemplate) * info->count_entries);
1141 for (i = 0; i < oinfo->num_entries; ++i) {
1142 MonoRuntimeGenericContextInfoTemplate *otemplate = &oinfo->entries [i];
1143 MonoRuntimeGenericContextInfoTemplate *template_ = &info->entries [i];
1145 memcpy (template_, otemplate, sizeof (MonoRuntimeGenericContextInfoTemplate));
1147 //info->locals_types = mono_mempool_alloc0 (mp, info->nlocals * sizeof (MonoType*));
1148 //memcpy (info->locals_types, oinfo->locals_types, info->nlocals * sizeof (MonoType*));
1151 case MONO_PATCH_INFO_VIRT_METHOD: {
1152 MonoJumpInfoVirtMethod *info;
1153 MonoJumpInfoVirtMethod *oinfo;
1155 oinfo = patch_info->data.virt_method;
1156 info = (MonoJumpInfoVirtMethod *)mono_mempool_alloc0 (mp, sizeof (MonoJumpInfoVirtMethod));
1157 res->data.virt_method = info;
1158 memcpy (info, oinfo, sizeof (MonoJumpInfoVirtMethod));
1169 mono_patch_info_hash (gconstpointer data)
1171 const MonoJumpInfo *ji = (MonoJumpInfo*)data;
1174 case MONO_PATCH_INFO_RVA:
1175 case MONO_PATCH_INFO_LDSTR:
1176 case MONO_PATCH_INFO_LDTOKEN:
1177 case MONO_PATCH_INFO_DECLSEC:
1178 return (ji->type << 8) | ji->data.token->token;
1179 case MONO_PATCH_INFO_TYPE_FROM_HANDLE:
1180 return (ji->type << 8) | ji->data.token->token | (ji->data.token->has_context ? (gsize)ji->data.token->context.class_inst : 0);
1181 case MONO_PATCH_INFO_INTERNAL_METHOD:
1182 return (ji->type << 8) | g_str_hash (ji->data.name);
1183 case MONO_PATCH_INFO_VTABLE:
1184 case MONO_PATCH_INFO_CLASS:
1185 case MONO_PATCH_INFO_IID:
1186 case MONO_PATCH_INFO_ADJUSTED_IID:
1187 case MONO_PATCH_INFO_METHODCONST:
1188 case MONO_PATCH_INFO_METHOD:
1189 case MONO_PATCH_INFO_METHOD_JUMP:
1190 case MONO_PATCH_INFO_IMAGE:
1191 case MONO_PATCH_INFO_ICALL_ADDR:
1192 case MONO_PATCH_INFO_ICALL_ADDR_CALL:
1193 case MONO_PATCH_INFO_FIELD:
1194 case MONO_PATCH_INFO_SFLDA:
1195 case MONO_PATCH_INFO_SEQ_POINT_INFO:
1196 case MONO_PATCH_INFO_METHOD_RGCTX:
1197 case MONO_PATCH_INFO_SIGNATURE:
1198 case MONO_PATCH_INFO_METHOD_CODE_SLOT:
1199 case MONO_PATCH_INFO_AOT_JIT_INFO:
1200 case MONO_PATCH_INFO_GET_TLS_TRAMP:
1201 case MONO_PATCH_INFO_SET_TLS_TRAMP:
1202 return (ji->type << 8) | (gssize)ji->data.target;
1203 case MONO_PATCH_INFO_GSHAREDVT_CALL:
1204 return (ji->type << 8) | (gssize)ji->data.gsharedvt->method;
1205 case MONO_PATCH_INFO_RGCTX_FETCH:
1206 case MONO_PATCH_INFO_RGCTX_SLOT_INDEX: {
1207 MonoJumpInfoRgctxEntry *e = ji->data.rgctx_entry;
1209 return (ji->type << 8) | (gssize)e->method | (e->in_mrgctx) | e->info_type | mono_patch_info_hash (e->data);
1211 case MONO_PATCH_INFO_INTERRUPTION_REQUEST_FLAG:
1212 case MONO_PATCH_INFO_MSCORLIB_GOT_ADDR:
1213 case MONO_PATCH_INFO_GC_CARD_TABLE_ADDR:
1214 case MONO_PATCH_INFO_GC_NURSERY_START:
1215 case MONO_PATCH_INFO_GC_NURSERY_BITS:
1216 case MONO_PATCH_INFO_GOT_OFFSET:
1217 case MONO_PATCH_INFO_GC_SAFE_POINT_FLAG:
1218 case MONO_PATCH_INFO_AOT_MODULE:
1219 case MONO_PATCH_INFO_JIT_THREAD_ATTACH:
1220 return (ji->type << 8);
1221 case MONO_PATCH_INFO_CASTCLASS_CACHE:
1222 return (ji->type << 8) | (ji->data.index);
1223 case MONO_PATCH_INFO_SWITCH:
1224 return (ji->type << 8) | ji->data.table->table_size;
1225 case MONO_PATCH_INFO_GSHAREDVT_METHOD:
1226 return (ji->type << 8) | (gssize)ji->data.gsharedvt_method->method;
1227 case MONO_PATCH_INFO_OBJC_SELECTOR_REF:
1228 /* Hash on the selector name */
1229 return g_str_hash (ji->data.target);
1230 case MONO_PATCH_INFO_DELEGATE_TRAMPOLINE:
1231 return (ji->type << 8) | (gsize)ji->data.del_tramp->klass | (gsize)ji->data.del_tramp->method | (gsize)ji->data.del_tramp->is_virtual;
1232 case MONO_PATCH_INFO_LDSTR_LIT:
1233 return g_str_hash (ji->data.target);
1234 case MONO_PATCH_INFO_VIRT_METHOD: {
1235 MonoJumpInfoVirtMethod *info = ji->data.virt_method;
1237 return (ji->type << 8) | (gssize)info->klass | (gssize)info->method;
1239 case MONO_PATCH_INFO_JIT_ICALL_ADDR:
1240 return (ji->type << 8) | g_str_hash (ji->data.target);
1241 case MONO_PATCH_INFO_GSHAREDVT_IN_WRAPPER:
1242 return (ji->type << 8) | mono_signature_hash (ji->data.sig);
1244 printf ("info type: %d\n", ji->type);
1245 mono_print_ji (ji); printf ("\n");
1246 g_assert_not_reached ();
1252 * mono_patch_info_equal:
1254 * This might fail to recognize equivalent patches, i.e. floats, so its only
1255 * usable in those cases where this is not a problem, i.e. sharing GOT slots
1259 mono_patch_info_equal (gconstpointer ka, gconstpointer kb)
1261 const MonoJumpInfo *ji1 = (MonoJumpInfo*)ka;
1262 const MonoJumpInfo *ji2 = (MonoJumpInfo*)kb;
1264 if (ji1->type != ji2->type)
1267 switch (ji1->type) {
1268 case MONO_PATCH_INFO_RVA:
1269 case MONO_PATCH_INFO_LDSTR:
1270 case MONO_PATCH_INFO_TYPE_FROM_HANDLE:
1271 case MONO_PATCH_INFO_LDTOKEN:
1272 case MONO_PATCH_INFO_DECLSEC:
1273 if ((ji1->data.token->image != ji2->data.token->image) ||
1274 (ji1->data.token->token != ji2->data.token->token) ||
1275 (ji1->data.token->has_context != ji2->data.token->has_context) ||
1276 (ji1->data.token->context.class_inst != ji2->data.token->context.class_inst) ||
1277 (ji1->data.token->context.method_inst != ji2->data.token->context.method_inst))
1280 case MONO_PATCH_INFO_INTERNAL_METHOD:
1281 return g_str_equal (ji1->data.name, ji2->data.name);
1282 case MONO_PATCH_INFO_RGCTX_FETCH:
1283 case MONO_PATCH_INFO_RGCTX_SLOT_INDEX: {
1284 MonoJumpInfoRgctxEntry *e1 = ji1->data.rgctx_entry;
1285 MonoJumpInfoRgctxEntry *e2 = ji2->data.rgctx_entry;
1287 return e1->method == e2->method && e1->in_mrgctx == e2->in_mrgctx && e1->info_type == e2->info_type && mono_patch_info_equal (e1->data, e2->data);
1289 case MONO_PATCH_INFO_GSHAREDVT_CALL: {
1290 MonoJumpInfoGSharedVtCall *c1 = ji1->data.gsharedvt;
1291 MonoJumpInfoGSharedVtCall *c2 = ji2->data.gsharedvt;
1293 return c1->sig == c2->sig && c1->method == c2->method;
1295 case MONO_PATCH_INFO_GSHAREDVT_METHOD:
1296 return ji1->data.gsharedvt_method->method == ji2->data.gsharedvt_method->method;
1297 case MONO_PATCH_INFO_DELEGATE_TRAMPOLINE:
1298 return ji1->data.del_tramp->klass == ji2->data.del_tramp->klass && ji1->data.del_tramp->method == ji2->data.del_tramp->method && ji1->data.del_tramp->is_virtual == ji2->data.del_tramp->is_virtual;
1299 case MONO_PATCH_INFO_CASTCLASS_CACHE:
1300 return ji1->data.index == ji2->data.index;
1301 case MONO_PATCH_INFO_VIRT_METHOD:
1302 return ji1->data.virt_method->klass == ji2->data.virt_method->klass && ji1->data.virt_method->method == ji2->data.virt_method->method;
1303 case MONO_PATCH_INFO_JIT_ICALL_ADDR:
1304 if (ji1->data.target == ji2->data.target)
1306 return strcmp (ji1->data.target, ji2->data.target) == 0 ? 1 : 0;
1307 case MONO_PATCH_INFO_GSHAREDVT_IN_WRAPPER:
1308 return mono_metadata_signature_equal (ji1->data.sig, ji2->data.sig) ? 1 : 0;
1310 if (ji1->data.target != ji2->data.target)
1319 mono_resolve_patch_target (MonoMethod *method, MonoDomain *domain, guint8 *code, MonoJumpInfo *patch_info, gboolean run_cctors, MonoError *error)
1321 unsigned char *ip = patch_info->ip.i + code;
1322 gconstpointer target = NULL;
1326 switch (patch_info->type) {
1327 case MONO_PATCH_INFO_BB:
1329 * FIXME: This could be hit for methods without a prolog. Should use -1
1330 * but too much code depends on a 0 initial value.
1332 //g_assert (patch_info->data.bb->native_offset);
1333 target = patch_info->data.bb->native_offset + code;
1335 case MONO_PATCH_INFO_ABS:
1336 target = patch_info->data.target;
1338 case MONO_PATCH_INFO_LABEL:
1339 target = patch_info->data.inst->inst_c0 + code;
1341 case MONO_PATCH_INFO_IP:
1344 case MONO_PATCH_INFO_METHOD_REL:
1345 target = code + patch_info->data.offset;
1347 case MONO_PATCH_INFO_INTERNAL_METHOD: {
1348 MonoJitICallInfo *mi = mono_find_jit_icall_by_name (patch_info->data.name);
1350 g_warning ("unknown MONO_PATCH_INFO_INTERNAL_METHOD %s", patch_info->data.name);
1351 g_assert_not_reached ();
1353 target = mono_icall_get_wrapper (mi);
1356 case MONO_PATCH_INFO_JIT_ICALL_ADDR: {
1357 MonoJitICallInfo *mi = mono_find_jit_icall_by_name (patch_info->data.name);
1359 g_warning ("unknown MONO_PATCH_INFO_JIT_ICALL_ADDR %s", patch_info->data.name);
1360 g_assert_not_reached ();
1365 case MONO_PATCH_INFO_METHOD_JUMP:
1366 target = mono_create_jump_trampoline (domain, patch_info->data.method, FALSE, error);
1367 if (!mono_error_ok (error))
1370 case MONO_PATCH_INFO_METHOD:
1371 if (patch_info->data.method == method) {
1374 /* get the trampoline to the method from the domain */
1375 target = mono_create_jit_trampoline (domain, patch_info->data.method, error);
1376 if (!mono_error_ok (error))
1380 case MONO_PATCH_INFO_METHOD_CODE_SLOT: {
1383 mono_domain_lock (domain);
1384 if (!domain_jit_info (domain)->method_code_hash)
1385 domain_jit_info (domain)->method_code_hash = g_hash_table_new (NULL, NULL);
1386 code_slot = g_hash_table_lookup (domain_jit_info (domain)->method_code_hash, patch_info->data.method);
1388 code_slot = mono_domain_alloc0 (domain, sizeof (gpointer));
1389 g_hash_table_insert (domain_jit_info (domain)->method_code_hash, patch_info->data.method, code_slot);
1391 mono_domain_unlock (domain);
1395 case MONO_PATCH_INFO_GC_SAFE_POINT_FLAG:
1396 g_assert (mono_threads_is_coop_enabled ());
1397 target = (gpointer)&mono_polling_required;
1399 case MONO_PATCH_INFO_SWITCH: {
1400 gpointer *jump_table;
1402 if (method && method->dynamic) {
1403 jump_table = (void **)mono_code_manager_reserve (mono_dynamic_code_hash_lookup (domain, method)->code_mp, sizeof (gpointer) * patch_info->data.table->table_size);
1405 if (mono_aot_only) {
1406 jump_table = (void **)mono_domain_alloc (domain, sizeof (gpointer) * patch_info->data.table->table_size);
1408 jump_table = (void **)mono_domain_code_reserve (domain, sizeof (gpointer) * patch_info->data.table->table_size);
1412 for (i = 0; i < patch_info->data.table->table_size; i++) {
1413 jump_table [i] = code + GPOINTER_TO_INT (patch_info->data.table->table [i]);
1416 target = jump_table;
1419 case MONO_PATCH_INFO_METHODCONST:
1420 case MONO_PATCH_INFO_CLASS:
1421 case MONO_PATCH_INFO_IMAGE:
1422 case MONO_PATCH_INFO_FIELD:
1423 case MONO_PATCH_INFO_SIGNATURE:
1424 case MONO_PATCH_INFO_AOT_MODULE:
1425 target = patch_info->data.target;
1427 case MONO_PATCH_INFO_IID:
1428 mono_class_init (patch_info->data.klass);
1429 target = GUINT_TO_POINTER (patch_info->data.klass->interface_id);
1431 case MONO_PATCH_INFO_ADJUSTED_IID:
1432 mono_class_init (patch_info->data.klass);
1433 target = GUINT_TO_POINTER ((guint32)(-((patch_info->data.klass->interface_id + 1) * SIZEOF_VOID_P)));
1435 case MONO_PATCH_INFO_VTABLE:
1436 target = mono_class_vtable (domain, patch_info->data.klass);
1439 case MONO_PATCH_INFO_DELEGATE_TRAMPOLINE: {
1440 MonoDelegateClassMethodPair *del_tramp = patch_info->data.del_tramp;
1442 if (del_tramp->is_virtual)
1443 target = mono_create_delegate_virtual_trampoline (domain, del_tramp->klass, del_tramp->method);
1445 target = mono_create_delegate_trampoline_info (domain, del_tramp->klass, del_tramp->method);
1448 case MONO_PATCH_INFO_SFLDA: {
1449 MonoVTable *vtable = mono_class_vtable (domain, patch_info->data.field->parent);
1451 if (mono_class_field_is_special_static (patch_info->data.field)) {
1452 gpointer addr = NULL;
1454 mono_domain_lock (domain);
1455 if (domain->special_static_fields)
1456 addr = g_hash_table_lookup (domain->special_static_fields, patch_info->data.field);
1457 mono_domain_unlock (domain);
1463 if (!vtable->initialized && !mono_class_is_before_field_init (vtable->klass) && (method && mono_class_needs_cctor_run (vtable->klass, method)))
1464 /* Done by the generated code */
1468 if (!mono_runtime_class_init_full (vtable, error)) {
1473 target = (char*)mono_vtable_get_static_field_data (vtable) + patch_info->data.field->offset;
1476 case MONO_PATCH_INFO_RVA: {
1477 guint32 field_index = mono_metadata_token_index (patch_info->data.token->token);
1480 mono_metadata_field_info (patch_info->data.token->image, field_index - 1, NULL, &rva, NULL);
1481 target = mono_image_rva_map (patch_info->data.token->image, rva);
1484 case MONO_PATCH_INFO_R4:
1485 case MONO_PATCH_INFO_R8:
1486 target = patch_info->data.target;
1488 case MONO_PATCH_INFO_EXC_NAME:
1489 target = patch_info->data.name;
1491 case MONO_PATCH_INFO_LDSTR:
1493 mono_ldstr_checked (domain, patch_info->data.token->image,
1494 mono_metadata_token_index (patch_info->data.token->token), error);
1496 case MONO_PATCH_INFO_TYPE_FROM_HANDLE: {
1498 MonoClass *handle_class;
1500 handle = mono_ldtoken_checked (patch_info->data.token->image,
1501 patch_info->data.token->token, &handle_class, patch_info->data.token->has_context ? &patch_info->data.token->context : NULL, error);
1502 if (!mono_error_ok (error))
1504 mono_class_init (handle_class);
1505 mono_class_init (mono_class_from_mono_type ((MonoType *)handle));
1507 target = mono_type_get_object_checked (domain, (MonoType *)handle, error);
1508 if (!mono_error_ok (error))
1512 case MONO_PATCH_INFO_LDTOKEN: {
1514 MonoClass *handle_class;
1516 handle = mono_ldtoken_checked (patch_info->data.token->image,
1517 patch_info->data.token->token, &handle_class, patch_info->data.token->has_context ? &patch_info->data.token->context : NULL, error);
1518 if (!mono_error_ok (error))
1519 g_error ("Could not patch ldtoken due to %s", mono_error_get_message (error));
1520 mono_class_init (handle_class);
1525 case MONO_PATCH_INFO_DECLSEC:
1526 target = (mono_metadata_blob_heap (patch_info->data.token->image, patch_info->data.token->token) + 2);
1528 case MONO_PATCH_INFO_ICALL_ADDR:
1529 case MONO_PATCH_INFO_ICALL_ADDR_CALL:
1530 /* run_cctors == 0 -> AOT */
1531 if (patch_info->data.method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL) {
1532 const char *exc_class;
1533 const char *exc_arg;
1536 target = mono_lookup_pinvoke_call (patch_info->data.method, &exc_class, &exc_arg);
1538 if (mono_aot_only) {
1539 mono_error_set_exception_instance (error, mono_exception_from_name_msg (mono_defaults.corlib, "System", exc_class, exc_arg));
1542 g_error ("Unable to resolve pinvoke method '%s' Re-run with MONO_LOG_LEVEL=debug for more information.\n", mono_method_full_name (patch_info->data.method, TRUE));
1548 target = mono_lookup_internal_call (patch_info->data.method);
1550 if (!target && run_cctors)
1551 g_error ("Unregistered icall '%s'\n", mono_method_full_name (patch_info->data.method, TRUE));
1554 case MONO_PATCH_INFO_INTERRUPTION_REQUEST_FLAG:
1555 target = mono_thread_interruption_request_flag ();
1557 case MONO_PATCH_INFO_METHOD_RGCTX: {
1558 MonoVTable *vtable = mono_class_vtable (domain, patch_info->data.method->klass);
1561 target = mono_method_lookup_rgctx (vtable, mini_method_get_context (patch_info->data.method)->method_inst);
1564 case MONO_PATCH_INFO_RGCTX_SLOT_INDEX: {
1565 int slot = mini_get_rgctx_entry_slot (patch_info->data.rgctx_entry);
1567 target = GINT_TO_POINTER (MONO_RGCTX_SLOT_INDEX (slot));
1570 case MONO_PATCH_INFO_BB_OVF:
1571 case MONO_PATCH_INFO_EXC_OVF:
1572 case MONO_PATCH_INFO_GOT_OFFSET:
1573 case MONO_PATCH_INFO_NONE:
1575 case MONO_PATCH_INFO_RGCTX_FETCH: {
1576 int slot = mini_get_rgctx_entry_slot (patch_info->data.rgctx_entry);
1578 target = mono_create_rgctx_lazy_fetch_trampoline (slot);
1581 #ifdef MONO_ARCH_SOFT_DEBUG_SUPPORTED
1582 case MONO_PATCH_INFO_SEQ_POINT_INFO:
1584 /* AOT, not needed */
1587 target = mono_arch_get_seq_point_info (domain, code);
1590 case MONO_PATCH_INFO_GC_CARD_TABLE_ADDR: {
1591 int card_table_shift_bits;
1592 gpointer card_table_mask;
1594 target = mono_gc_get_card_table (&card_table_shift_bits, &card_table_mask);
1597 case MONO_PATCH_INFO_GC_NURSERY_START: {
1601 target = mono_gc_get_nursery (&shift_bits, &size);
1604 case MONO_PATCH_INFO_GC_NURSERY_BITS: {
1608 mono_gc_get_nursery (&shift_bits, &size);
1610 target = (gpointer)(mgreg_t)shift_bits;
1613 case MONO_PATCH_INFO_CASTCLASS_CACHE: {
1614 target = mono_domain_alloc0 (domain, sizeof (gpointer));
1617 case MONO_PATCH_INFO_OBJC_SELECTOR_REF: {
1621 case MONO_PATCH_INFO_LDSTR_LIT: {
1625 len = strlen ((const char *)patch_info->data.target);
1626 s = (char *)mono_domain_alloc0 (domain, len + 1);
1627 memcpy (s, patch_info->data.target, len);
1632 case MONO_PATCH_INFO_GSHAREDVT_IN_WRAPPER:
1633 target = mini_get_gsharedvt_wrapper (TRUE, NULL, patch_info->data.sig, NULL, -1, FALSE);
1635 case MONO_PATCH_INFO_GET_TLS_TRAMP:
1636 target = mono_tls_get_tls_getter (patch_info->data.index, FALSE);
1638 case MONO_PATCH_INFO_SET_TLS_TRAMP:
1639 target = mono_tls_get_tls_setter (patch_info->data.index, FALSE);
1641 case MONO_PATCH_INFO_JIT_THREAD_ATTACH: {
1642 MonoJitICallInfo *mi = mono_find_jit_icall_by_name ("mono_jit_thread_attach");
1648 g_assert_not_reached ();
1651 return (gpointer)target;
1655 mini_init_gsctx (MonoDomain *domain, MonoMemPool *mp, MonoGenericContext *context, MonoGenericSharingContext *gsctx)
1657 MonoGenericInst *inst;
1660 memset (gsctx, 0, sizeof (MonoGenericSharingContext));
1662 if (context && context->class_inst) {
1663 inst = context->class_inst;
1664 for (i = 0; i < inst->type_argc; ++i) {
1665 MonoType *type = inst->type_argv [i];
1667 if (mini_is_gsharedvt_gparam (type))
1668 gsctx->is_gsharedvt = TRUE;
1671 if (context && context->method_inst) {
1672 inst = context->method_inst;
1674 for (i = 0; i < inst->type_argc; ++i) {
1675 MonoType *type = inst->type_argv [i];
1677 if (mini_is_gsharedvt_gparam (type))
1678 gsctx->is_gsharedvt = TRUE;
1684 * LOCKING: Acquires the jit code hash lock.
1687 mini_lookup_method (MonoDomain *domain, MonoMethod *method, MonoMethod *shared)
1690 static gboolean inited = FALSE;
1691 static int lookups = 0;
1692 static int failed_lookups = 0;
1694 mono_domain_jit_code_hash_lock (domain);
1695 ji = (MonoJitInfo *)mono_internal_hash_table_lookup (&domain->jit_code_hash, method);
1696 if (!ji && shared) {
1697 /* Try generic sharing */
1698 ji = (MonoJitInfo *)mono_internal_hash_table_lookup (&domain->jit_code_hash, shared);
1699 if (ji && !ji->has_generic_jit_info)
1702 mono_counters_register ("Shared generic lookups", MONO_COUNTER_INT|MONO_COUNTER_GENERICS, &lookups);
1703 mono_counters_register ("Failed shared generic lookups", MONO_COUNTER_INT|MONO_COUNTER_GENERICS, &failed_lookups);
1711 mono_domain_jit_code_hash_unlock (domain);
1717 lookup_method (MonoDomain *domain, MonoMethod *method)
1722 ji = mini_lookup_method (domain, method, NULL);
1725 if (!mono_method_is_generic_sharable (method, FALSE))
1727 shared = mini_get_shared_method (method);
1728 ji = mini_lookup_method (domain, method, shared);
1735 mono_get_jit_info_from_method (MonoDomain *domain, MonoMethod *method)
1737 return lookup_method (domain, method);
1741 mini_get_class (MonoMethod *method, guint32 token, MonoGenericContext *context)
1746 if (method->wrapper_type != MONO_WRAPPER_NONE) {
1747 klass = (MonoClass *)mono_method_get_wrapper_data (method, token);
1749 klass = mono_class_inflate_generic_class_checked (klass, context, &error);
1750 mono_error_cleanup (&error); /* FIXME don't swallow the error */
1753 klass = mono_class_get_and_inflate_typespec_checked (method->klass->image, token, context, &error);
1754 mono_error_cleanup (&error); /* FIXME don't swallow the error */
1757 mono_class_init (klass);
1762 static FILE* perf_map_file;
1765 mono_enable_jit_map (void)
1767 if (!perf_map_file) {
1769 g_snprintf (name, sizeof (name), "/tmp/perf-%d.map", getpid ());
1771 perf_map_file = fopen (name, "w");
1776 mono_emit_jit_tramp (void *start, int size, const char *desc)
1779 fprintf (perf_map_file, "%llx %x %s\n", (long long unsigned int)(gsize)start, size, desc);
1783 mono_emit_jit_map (MonoJitInfo *jinfo)
1785 if (perf_map_file) {
1786 char *name = mono_method_full_name (jinfo_get_method (jinfo), TRUE);
1787 mono_emit_jit_tramp (jinfo->code_start, jinfo->code_size, name);
1793 mono_jit_map_is_enabled (void)
1795 return perf_map_file != NULL;
1801 no_gsharedvt_in_wrapper (void)
1803 g_assert_not_reached ();
1809 When a JIT request is made, we check if there's an outstanding one for that method and, if it exits, put the thread to sleep.
1810 If the current thread is already JITing another method, don't wait as it might cause a deadlock.
1811 Dependency management in this case is too complex to justify implementing it.
1813 If there are no outstanding requests, the current thread is doing nothing and there are already mono_cpu_count threads JITing, go to sleep.
1816 Get rid of cctor invocations from within the JIT, it increases JIT duration and complicates things A LOT.
1817 Can we get rid of ref_count and use `done && threads_waiting == 0` as the equivalent of `ref_count == 0`?
1818 Reduce amount of dynamically allocated - possible once the JIT is no longer reentrant
1819 Maybe pool JitCompilationEntry, specially those with an inited cond var;
1824 int compilation_count; /* Number of threads compiling this method - This happens due to the JIT being reentrant */
1825 int ref_count; /* Number of threads using this JitCompilationEntry, roughtly 1 + threads_waiting */
1826 int threads_waiting; /* Number of threads waiting on this job */
1827 gboolean has_cond; /* True if @cond was initialized */
1828 gboolean done; /* True if the method finished JIT'ing */
1829 MonoCoopCond cond; /* Cond sleeping threads wait one */
1830 } JitCompilationEntry;
1833 GPtrArray *in_flight_methods; //JitCompilationEntry*
1835 } JitCompilationData;
1837 static JitCompilationData compilation_data;
1838 static int jit_methods_waited, jit_methods_multiple, jit_methods_overload, jit_spurious_wakeups;
1841 mini_jit_init_job_control (void)
1843 mono_coop_mutex_init (&compilation_data.lock);
1844 compilation_data.in_flight_methods = g_ptr_array_new ();
1848 lock_compilation_data (void)
1850 mono_coop_mutex_lock (&compilation_data.lock);
1854 unlock_compilation_data (void)
1856 mono_coop_mutex_unlock (&compilation_data.lock);
1859 static JitCompilationEntry*
1860 find_method (MonoMethod *method, MonoDomain *domain)
1863 for (i = 0; i < compilation_data.in_flight_methods->len; ++i){
1864 JitCompilationEntry *e = compilation_data.in_flight_methods->pdata [i];
1865 if (e->method == method && e->domain == domain)
1873 add_current_thread (MonoJitTlsData *jit_tls)
1875 ++jit_tls->active_jit_methods;
1879 unref_jit_entry (JitCompilationEntry *entry)
1882 if (entry->ref_count)
1884 if (entry->has_cond)
1885 mono_coop_cond_destroy (&entry->cond);
1890 * Returns true if this method waited successfully for another thread to JIT it
1893 wait_or_register_method_to_compile (MonoMethod *method, MonoDomain *domain)
1895 MonoJitTlsData *jit_tls = (MonoJitTlsData *)mono_tls_get_jit_tls ();
1896 JitCompilationEntry *entry;
1898 static gboolean inited;
1900 mono_counters_register ("JIT compile waited others", MONO_COUNTER_INT|MONO_COUNTER_JIT, &jit_methods_waited);
1901 mono_counters_register ("JIT compile 1+ jobs", MONO_COUNTER_INT|MONO_COUNTER_JIT, &jit_methods_multiple);
1902 mono_counters_register ("JIT compile overload wait", MONO_COUNTER_INT|MONO_COUNTER_JIT, &jit_methods_overload);
1903 mono_counters_register ("JIT compile spurious wakeups", MONO_COUNTER_INT|MONO_COUNTER_JIT, &jit_spurious_wakeups);
1907 lock_compilation_data ();
1909 if (!(entry = find_method (method, domain))) {
1910 entry = g_new0 (JitCompilationEntry, 1);
1911 entry->method = method;
1912 entry->domain = domain;
1913 entry->compilation_count = entry->ref_count = 1;
1914 g_ptr_array_add (compilation_data.in_flight_methods, entry);
1915 g_assert (find_method (method, domain) == entry);
1916 add_current_thread (jit_tls);
1918 unlock_compilation_data ();
1920 } else if (jit_tls->active_jit_methods > 0) {
1921 //We can't suspend the current thread if it's already JITing a method.
1922 //Dependency management is too compilated and we want to get rid of this anyways.
1923 ++entry->compilation_count;
1924 ++jit_methods_multiple;
1925 ++jit_tls->active_jit_methods;
1927 unlock_compilation_data ();
1930 ++jit_methods_waited;
1933 if (!entry->has_cond) {
1934 mono_coop_cond_init (&entry->cond);
1935 entry->has_cond = TRUE;
1939 ++entry->threads_waiting;
1941 g_assert (entry->has_cond);
1942 mono_coop_cond_wait (&entry->cond, &compilation_data.lock);
1943 --entry->threads_waiting;
1946 unref_jit_entry (entry);
1947 unlock_compilation_data ();
1950 ++jit_spurious_wakeups;
1957 unregister_method_for_compile (MonoMethod *method, MonoDomain *target_domain)
1959 MonoJitTlsData *jit_tls = (MonoJitTlsData *)mono_tls_get_jit_tls ();
1961 lock_compilation_data ();
1963 g_assert (jit_tls->active_jit_methods > 0);
1964 --jit_tls->active_jit_methods;
1966 JitCompilationEntry *entry = find_method (method, target_domain);
1967 g_assert (entry); // It would be weird to fail
1970 if (entry->threads_waiting) {
1971 g_assert (entry->has_cond);
1972 mono_coop_cond_broadcast (&entry->cond);
1975 if (--entry->compilation_count == 0) {
1976 g_ptr_array_remove (compilation_data.in_flight_methods, entry);
1977 unref_jit_entry (entry);
1980 unlock_compilation_data ();
1985 mono_jit_compile_method_with_opt (MonoMethod *method, guint32 opt, gboolean jit_only, MonoError *error)
1987 MonoDomain *target_domain, *domain = mono_domain_get ();
1989 gpointer code = NULL, p;
1991 MonoJitICallInfo *callinfo = NULL;
1992 WrapperInfo *winfo = NULL;
1996 #ifdef ENABLE_INTERPRETER
1997 if (mono_use_interpreter && !jit_only) {
1998 code = mono_interp_create_method_pointer (method, error);
2005 /* Should be handled by the caller */
2006 g_assert (!(method->iflags & METHOD_IMPL_ATTRIBUTE_SYNCHRONIZED));
2009 * ICALL wrappers are handled specially, since there is only one copy of them
2010 * shared by all appdomains.
2012 if (method->wrapper_type == MONO_WRAPPER_MANAGED_TO_NATIVE)
2013 winfo = mono_marshal_get_wrapper_info (method);
2014 if (winfo && winfo->subtype == WRAPPER_SUBTYPE_ICALL_WRAPPER) {
2015 callinfo = mono_find_jit_icall_by_addr (winfo->d.icall.func);
2016 g_assert (callinfo);
2018 /* Must be domain neutral since there is only one copy */
2019 opt |= MONO_OPT_SHARED;
2021 /* MONO_OPT_SHARED is no longer supported, we only use it for icall wrappers */
2022 opt &= ~MONO_OPT_SHARED;
2025 if (opt & MONO_OPT_SHARED)
2026 target_domain = mono_get_root_domain ();
2028 target_domain = domain;
2030 if (method->wrapper_type == MONO_WRAPPER_UNKNOWN) {
2031 WrapperInfo *info = mono_marshal_get_wrapper_info (method);
2034 if (info->subtype == WRAPPER_SUBTYPE_SYNCHRONIZED_INNER) {
2035 MonoGenericContext *ctx = NULL;
2036 if (method->is_inflated)
2037 ctx = mono_method_get_context (method);
2038 method = info->d.synchronized_inner.method;
2040 method = mono_class_inflate_generic_method_checked (method, ctx, error);
2041 g_assert (mono_error_ok (error)); /* FIXME don't swallow the error */
2047 info = lookup_method (target_domain, method);
2049 /* We can't use a domain specific method in another domain */
2050 if (! ((domain != target_domain) && !info->domain_neutral)) {
2053 mono_jit_stats.methods_lookups++;
2054 vtable = mono_class_vtable_full (domain, method->klass, error);
2058 if (!mono_runtime_class_init_full (vtable, error))
2060 return mono_create_ftnptr (target_domain, info->code_start);
2064 #ifdef MONO_USE_AOT_COMPILER
2065 if (opt & MONO_OPT_AOT) {
2066 MonoDomain *domain = NULL;
2068 if (mono_aot_mode == MONO_AOT_MODE_INTERP && method->wrapper_type == MONO_WRAPPER_UNKNOWN) {
2069 WrapperInfo *info = mono_marshal_get_wrapper_info (method);
2071 if (info->subtype == WRAPPER_SUBTYPE_INTERP_IN)
2072 /* AOT'd wrappers for interp must be owned by root domain */
2073 domain = mono_get_root_domain ();
2077 domain = mono_domain_get ();
2079 mono_class_init (method->klass);
2081 if ((code = mono_aot_get_method_checked (domain, method, error))) {
2084 if (mono_runtime_is_critical_method (method) || mono_gc_is_critical_method (method)) {
2086 * The suspend code needs to be able to lookup these methods by ip in async context,
2087 * so preload their jit info.
2089 MonoJitInfo *ji = mono_jit_info_table_find (domain, code);
2094 * In llvm-only mode, method might be a shared method, so we can't initialize its class.
2095 * This is not a problem, since it will be initialized when the method is first
2096 * called by init_method ().
2098 if (!mono_llvm_only) {
2099 vtable = mono_class_vtable (domain, method->klass);
2101 if (!mono_runtime_class_init_full (vtable, error))
2110 if (!code && mono_llvm_only) {
2111 if (method->wrapper_type == MONO_WRAPPER_UNKNOWN) {
2112 WrapperInfo *info = mono_marshal_get_wrapper_info (method);
2114 if (info->subtype == WRAPPER_SUBTYPE_GSHAREDVT_IN_SIG) {
2116 * These wrappers are only created for signatures which are in the program, but
2117 * sometimes we load methods too eagerly and have to create them even if they
2118 * will never be called.
2120 return no_gsharedvt_in_wrapper;
2126 if (wait_or_register_method_to_compile (method, target_domain))
2128 code = mono_jit_compile_method_inner (method, target_domain, opt, error);
2129 unregister_method_for_compile (method, target_domain);
2131 if (!mono_error_ok (error))
2134 if (!code && mono_llvm_only) {
2135 printf ("AOT method not found in llvmonly mode: %s\n", mono_method_full_name (method, 1));
2136 g_assert_not_reached ();
2142 if (method->wrapper_type == MONO_WRAPPER_WRITE_BARRIER || method->wrapper_type == MONO_WRAPPER_ALLOC) {
2146 * SGEN requires the JIT info for these methods to be registered, see is_ip_in_managed_allocator ().
2148 ji = mini_jit_info_table_find (mono_domain_get (), (char *)code, &d);
2152 p = mono_create_ftnptr (target_domain, code);
2155 /*mono_register_jit_icall_wrapper takes the loader lock, so we take it on the outside. */
2156 mono_loader_lock ();
2158 if (!callinfo->wrapper) {
2159 callinfo->wrapper = p;
2160 mono_register_jit_icall_wrapper (callinfo, p);
2163 mono_loader_unlock ();
2170 mono_jit_compile_method (MonoMethod *method, MonoError *error)
2174 code = mono_jit_compile_method_with_opt (method, mono_get_optimizations_for_method (method, default_opt), FALSE, error);
2179 * mono_jit_compile_method_jit_only:
2181 * Compile METHOD using the JIT/AOT, even in interpreted mode.
2184 mono_jit_compile_method_jit_only (MonoMethod *method, MonoError *error)
2188 code = mono_jit_compile_method_with_opt (method, mono_get_optimizations_for_method (method, default_opt), TRUE, error);
2192 #ifdef MONO_ARCH_HAVE_INVALIDATE_METHOD
2194 invalidated_delegate_trampoline (char *desc)
2196 g_error ("Unmanaged code called delegate of type %s which was already garbage collected.\n"
2197 "See http://www.mono-project.com/Diagnostic:Delegate for an explanation and ways to fix this.",
2203 * mono_jit_free_method:
2205 * Free all memory allocated by the JIT for METHOD.
2208 mono_jit_free_method (MonoDomain *domain, MonoMethod *method)
2210 MonoJitDynamicMethodInfo *ji;
2211 gboolean destroy = TRUE;
2212 GHashTableIter iter;
2213 MonoJumpList *jlist;
2215 g_assert (method->dynamic);
2217 mono_domain_lock (domain);
2218 ji = mono_dynamic_code_hash_lookup (domain, method);
2219 mono_domain_unlock (domain);
2224 mono_debug_remove_method (method, domain);
2225 mono_lldb_remove_method (domain, method, ji);
2227 mono_domain_lock (domain);
2228 g_hash_table_remove (domain_jit_info (domain)->dynamic_code_hash, method);
2229 mono_domain_jit_code_hash_lock (domain);
2230 mono_internal_hash_table_remove (&domain->jit_code_hash, method);
2231 mono_domain_jit_code_hash_unlock (domain);
2232 g_hash_table_remove (domain_jit_info (domain)->jump_trampoline_hash, method);
2234 /* requires the domain lock - took above */
2235 mono_conc_hashtable_remove (domain_jit_info (domain)->runtime_invoke_hash, method);
2237 /* Remove jump targets in this method */
2238 g_hash_table_iter_init (&iter, domain_jit_info (domain)->jump_target_hash);
2239 while (g_hash_table_iter_next (&iter, NULL, (void**)&jlist)) {
2240 GSList *tmp, *remove;
2243 for (tmp = jlist->list; tmp; tmp = tmp->next) {
2244 guint8 *ip = (guint8 *)tmp->data;
2246 if (ip >= (guint8*)ji->ji->code_start && ip < (guint8*)ji->ji->code_start + ji->ji->code_size)
2247 remove = g_slist_prepend (remove, tmp);
2249 for (tmp = remove; tmp; tmp = tmp->next) {
2250 jlist->list = g_slist_delete_link ((GSList *)jlist->list, (GSList *)tmp->data);
2252 g_slist_free (remove);
2254 mono_domain_unlock (domain);
2256 #ifdef MONO_ARCH_HAVE_INVALIDATE_METHOD
2257 if (debug_options.keep_delegates && method->wrapper_type == MONO_WRAPPER_NATIVE_TO_MANAGED) {
2259 * Instead of freeing the code, change it to call an error routine
2260 * so people can fix their code.
2262 char *type = mono_type_full_name (&method->klass->byval_arg);
2263 char *type_and_method = g_strdup_printf ("%s.%s", type, method->name);
2266 mono_arch_invalidate_method (ji->ji, invalidated_delegate_trampoline, type_and_method);
2272 * This needs to be done before freeing code_mp, since the code address is the
2273 * key in the table, so if we free the code_mp first, another thread can grab the
2274 * same code address and replace our entry in the table.
2276 mono_jit_info_table_remove (domain, ji->ji);
2279 mono_code_manager_destroy (ji->code_mp);
2284 mono_jit_find_compiled_method_with_jit_info (MonoDomain *domain, MonoMethod *method, MonoJitInfo **ji)
2286 MonoDomain *target_domain;
2289 if (default_opt & MONO_OPT_SHARED)
2290 target_domain = mono_get_root_domain ();
2292 target_domain = domain;
2294 info = lookup_method (target_domain, method);
2296 /* We can't use a domain specific method in another domain */
2297 if (! ((domain != target_domain) && !info->domain_neutral)) {
2298 mono_jit_stats.methods_lookups++;
2301 return info->code_start;
2310 static guint32 bisect_opt = 0;
2311 static GHashTable *bisect_methods_hash = NULL;
2314 mono_set_bisect_methods (guint32 opt, const char *method_list_filename)
2317 char method_name [2048];
2320 bisect_methods_hash = g_hash_table_new (g_str_hash, g_str_equal);
2321 g_assert (bisect_methods_hash);
2323 file = fopen (method_list_filename, "r");
2326 while (fgets (method_name, sizeof (method_name), file)) {
2327 size_t len = strlen (method_name);
2329 g_assert (method_name [len - 1] == '\n');
2330 method_name [len - 1] = 0;
2331 g_hash_table_insert (bisect_methods_hash, g_strdup (method_name), GINT_TO_POINTER (1));
2333 g_assert (feof (file));
2336 gboolean mono_do_single_method_regression = FALSE;
2337 guint32 mono_single_method_regression_opt = 0;
2338 MonoMethod *mono_current_single_method;
2339 GSList *mono_single_method_list;
2340 GHashTable *mono_single_method_hash;
2343 mono_get_optimizations_for_method (MonoMethod *method, guint32 default_opt)
2347 if (bisect_methods_hash) {
2348 char *name = mono_method_full_name (method, TRUE);
2349 void *res = g_hash_table_lookup (bisect_methods_hash, name);
2352 return default_opt | bisect_opt;
2354 if (!mono_do_single_method_regression)
2356 if (!mono_current_single_method) {
2357 if (!mono_single_method_hash)
2358 mono_single_method_hash = g_hash_table_new (g_direct_hash, g_direct_equal);
2359 if (!g_hash_table_lookup (mono_single_method_hash, method)) {
2360 g_hash_table_insert (mono_single_method_hash, method, method);
2361 mono_single_method_list = g_slist_prepend (mono_single_method_list, method);
2365 if (method == mono_current_single_method)
2366 return mono_single_method_regression_opt;
2371 mono_jit_find_compiled_method (MonoDomain *domain, MonoMethod *method)
2373 return mono_jit_find_compiled_method_with_jit_info (domain, method, NULL);
2378 gpointer compiled_method;
2379 gpointer runtime_invoke;
2381 MonoDynCallInfo *dyn_call_info;
2382 MonoClass *ret_box_class;
2383 MonoMethodSignature *sig;
2384 gboolean gsharedvt_invoke;
2385 gpointer *wrapper_arg;
2386 } RuntimeInvokeInfo;
2388 static RuntimeInvokeInfo*
2389 create_runtime_invoke_info (MonoDomain *domain, MonoMethod *method, gpointer compiled_method, gboolean callee_gsharedvt, MonoError *error)
2392 RuntimeInvokeInfo *info;
2394 info = g_new0 (RuntimeInvokeInfo, 1);
2395 info->compiled_method = compiled_method;
2396 if (mono_llvm_only && method->string_ctor)
2397 info->sig = mono_marshal_get_string_ctor_signature (method);
2399 info->sig = mono_method_signature (method);
2401 invoke = mono_marshal_get_runtime_invoke (method, FALSE);
2402 info->vtable = mono_class_vtable_full (domain, method->klass, error);
2403 if (!mono_error_ok (error))
2405 g_assert (info->vtable);
2407 MonoMethodSignature *sig = info->sig;
2411 * We want to avoid AOTing 1000s of runtime-invoke wrappers when running
2412 * in full-aot mode, so we use a slower, but more generic wrapper if
2413 * possible, built on top of the OP_DYN_CALL opcode provided by the JIT.
2415 #ifdef MONO_ARCH_DYN_CALL_SUPPORTED
2416 if (!mono_llvm_only && (mono_aot_only || debug_options.dyn_runtime_invoke)) {
2417 gboolean supported = TRUE;
2420 if (method->string_ctor)
2421 sig = mono_marshal_get_string_ctor_signature (method);
2423 for (i = 0; i < sig->param_count; ++i) {
2424 MonoType *t = sig->params [i];
2426 if (t->byref && t->type == MONO_TYPE_GENERICINST && mono_class_is_nullable (mono_class_from_mono_type (t)))
2430 if (mono_class_is_contextbound (method->klass) || !info->compiled_method)
2434 info->dyn_call_info = mono_arch_dyn_call_prepare (sig);
2438 ret_type = sig->ret;
2439 switch (ret_type->type) {
2440 case MONO_TYPE_VOID:
2452 case MONO_TYPE_BOOLEAN:
2453 case MONO_TYPE_CHAR:
2456 info->ret_box_class = mono_class_from_mono_type (ret_type);
2459 info->ret_box_class = mono_defaults.int_class;
2461 case MONO_TYPE_STRING:
2462 case MONO_TYPE_CLASS:
2463 case MONO_TYPE_ARRAY:
2464 case MONO_TYPE_SZARRAY:
2465 case MONO_TYPE_OBJECT:
2467 case MONO_TYPE_GENERICINST:
2468 if (!MONO_TYPE_IS_REFERENCE (ret_type))
2469 info->ret_box_class = mono_class_from_mono_type (ret_type);
2471 case MONO_TYPE_VALUETYPE:
2472 info->ret_box_class = mono_class_from_mono_type (ret_type);
2475 g_assert_not_reached ();
2479 if (!info->dyn_call_info) {
2480 if (mono_llvm_only) {
2481 #ifndef MONO_ARCH_GSHAREDVT_SUPPORTED
2482 g_assert_not_reached ();
2484 info->gsharedvt_invoke = TRUE;
2485 if (!callee_gsharedvt) {
2486 /* Invoke a gsharedvt out wrapper instead */
2487 MonoMethod *wrapper = mini_get_gsharedvt_out_sig_wrapper (sig);
2488 MonoMethodSignature *wrapper_sig = mini_get_gsharedvt_out_sig_wrapper_signature (sig->hasthis, sig->ret->type != MONO_TYPE_VOID, sig->param_count);
2490 info->wrapper_arg = g_malloc0 (2 * sizeof (gpointer));
2491 info->wrapper_arg [0] = mini_add_method_wrappers_llvmonly (method, info->compiled_method, FALSE, FALSE, &(info->wrapper_arg [1]));
2493 /* Pass has_rgctx == TRUE since the wrapper has an extra arg */
2494 invoke = mono_marshal_get_runtime_invoke_for_sig (wrapper_sig);
2495 g_free (wrapper_sig);
2497 info->compiled_method = mono_jit_compile_method (wrapper, error);
2498 if (!mono_error_ok (error)) {
2503 /* Gsharedvt methods can be invoked the same way */
2504 /* The out wrapper has the same signature as the compiled gsharedvt method */
2505 MonoMethodSignature *wrapper_sig = mini_get_gsharedvt_out_sig_wrapper_signature (sig->hasthis, sig->ret->type != MONO_TYPE_VOID, sig->param_count);
2507 info->wrapper_arg = mono_method_needs_static_rgctx_invoke (method, TRUE) ? mini_method_get_rgctx (method) : NULL;
2509 invoke = mono_marshal_get_runtime_invoke_for_sig (wrapper_sig);
2510 g_free (wrapper_sig);
2513 info->runtime_invoke = mono_jit_compile_method (invoke, error);
2514 if (!mono_error_ok (error)) {
2524 mono_llvmonly_runtime_invoke (MonoMethod *method, RuntimeInvokeInfo *info, void *obj, void **params, MonoObject **exc, MonoError *error)
2526 MonoMethodSignature *sig = info->sig;
2527 MonoDomain *domain = mono_domain_get ();
2528 MonoObject *(*runtime_invoke) (MonoObject *this_obj, void **params, MonoObject **exc, void* compiled_method);
2530 gpointer retval_ptr;
2531 guint8 retval [256];
2532 gpointer *param_refs;
2537 g_assert (info->gsharedvt_invoke);
2540 * Instead of invoking the method directly, we invoke a gsharedvt out wrapper.
2541 * The advantage of this is the gsharedvt out wrappers have a reduced set of
2542 * signatures, so we only have to generate runtime invoke wrappers for these
2544 * This code also handles invocation of gsharedvt methods directly, no
2545 * out wrappers are used in that case.
2547 args = (void **)g_alloca ((sig->param_count + sig->hasthis + 2) * sizeof (gpointer));
2548 param_refs = (gpointer*)g_alloca ((sig->param_count + sig->hasthis + 2) * sizeof (gpointer));
2551 * The runtime invoke wrappers expects pointers to primitive types, so have to
2555 args [pindex ++] = &obj;
2556 if (sig->ret->type != MONO_TYPE_VOID) {
2557 retval_ptr = (gpointer)&retval;
2558 args [pindex ++] = &retval_ptr;
2560 for (i = 0; i < sig->param_count; ++i) {
2561 MonoType *t = sig->params [i];
2563 if (t->type == MONO_TYPE_GENERICINST && mono_class_is_nullable (mono_class_from_mono_type (t))) {
2564 MonoClass *klass = mono_class_from_mono_type (t);
2565 guint8 *nullable_buf;
2568 size = mono_class_value_size (klass, NULL);
2569 nullable_buf = g_alloca (size);
2570 g_assert (nullable_buf);
2572 /* The argument pointed to by params [i] is either a boxed vtype or null */
2573 mono_nullable_init (nullable_buf, (MonoObject*)params [i], klass);
2574 params [i] = nullable_buf;
2577 if (!t->byref && (MONO_TYPE_IS_REFERENCE (t) || t->type == MONO_TYPE_PTR)) {
2578 param_refs [i] = params [i];
2579 params [i] = &(param_refs [i]);
2581 args [pindex ++] = ¶ms [i];
2583 /* The gsharedvt out wrapper has an extra argument which contains the method to call */
2584 args [pindex ++] = &info->wrapper_arg;
2586 runtime_invoke = (MonoObject *(*)(MonoObject *, void **, MonoObject **, void *))info->runtime_invoke;
2588 runtime_invoke (NULL, args, exc, info->compiled_method);
2592 if (sig->ret->type != MONO_TYPE_VOID && info->ret_box_class)
2593 return mono_value_box_checked (domain, info->ret_box_class, retval, error);
2595 return *(MonoObject**)retval;
2599 * mono_jit_runtime_invoke:
2600 * \param method: the method to invoke
2601 * \param obj: this pointer
2602 * \param params: array of parameter values.
2603 * \param exc: Set to the exception raised in the managed method.
2604 * \param error: error or caught exception object
2605 * If \p exc is NULL, \p error is thrown instead.
2606 * If coop is enabled, \p exc argument is ignored -
2607 * all exceptions are caught and propagated through \p error
2610 mono_jit_runtime_invoke (MonoMethod *method, void *obj, void **params, MonoObject **exc, MonoError *error)
2612 MonoMethod *invoke, *callee;
2613 MonoObject *(*runtime_invoke) (MonoObject *this_obj, void **params, MonoObject **exc, void* compiled_method);
2614 MonoDomain *domain = mono_domain_get ();
2615 MonoJitDomainInfo *domain_info;
2616 RuntimeInvokeInfo *info, *info2;
2617 MonoJitInfo *ji = NULL;
2618 gboolean callee_gsharedvt = FALSE;
2620 #ifdef ENABLE_INTERPRETER
2621 if (mono_use_interpreter)
2622 return mono_interp_runtime_invoke (method, obj, params, exc, error);
2627 if (obj == NULL && !(method->flags & METHOD_ATTRIBUTE_STATIC) && !method->string_ctor && (method->wrapper_type == 0)) {
2628 g_warning ("Ignoring invocation of an instance method on a NULL instance.\n");
2632 domain_info = domain_jit_info (domain);
2634 info = (RuntimeInvokeInfo *)mono_conc_hashtable_lookup (domain_info->runtime_invoke_hash, method);
2637 if (mono_security_core_clr_enabled ()) {
2639 * This might be redundant since mono_class_vtable () already does this,
2640 * but keep it just in case for moonlight.
2642 mono_class_setup_vtable (method->klass);
2643 if (mono_class_has_failure (method->klass)) {
2644 mono_error_set_for_class_failure (error, method->klass);
2646 *exc = (MonoObject*)mono_class_get_exception_for_failure (method->klass);
2651 gpointer compiled_method;
2654 if (method->klass->rank && (method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) &&
2655 (method->iflags & METHOD_IMPL_ATTRIBUTE_NATIVE)) {
2657 * Array Get/Set/Address methods. The JIT implements them using inline code
2658 * inside the runtime invoke wrappers, so no need to compile them.
2660 if (mono_aot_only) {
2662 * Call a wrapper, since the runtime invoke wrapper was not generated.
2664 MonoMethod *wrapper;
2666 wrapper = mono_marshal_get_array_accessor_wrapper (method);
2667 invoke = mono_marshal_get_runtime_invoke (wrapper, FALSE);
2675 compiled_method = mono_jit_compile_method (callee, error);
2676 if (!compiled_method) {
2677 g_assert (!mono_error_ok (error));
2681 if (mono_llvm_only) {
2682 ji = mini_jit_info_table_find (mono_domain_get (), (char *)mono_get_addr_from_ftnptr (compiled_method), NULL);
2683 callee_gsharedvt = mini_jit_info_is_gsharedvt (ji);
2684 if (callee_gsharedvt)
2685 callee_gsharedvt = mini_is_gsharedvt_variable_signature (mono_method_signature (jinfo_get_method (ji)));
2688 if (!callee_gsharedvt)
2689 compiled_method = mini_add_method_trampoline (callee, compiled_method, mono_method_needs_static_rgctx_invoke (callee, TRUE), FALSE);
2691 compiled_method = NULL;
2694 info = create_runtime_invoke_info (domain, method, compiled_method, callee_gsharedvt, error);
2695 if (!mono_error_ok (error))
2698 mono_domain_lock (domain);
2699 info2 = (RuntimeInvokeInfo *)mono_conc_hashtable_insert (domain_info->runtime_invoke_hash, method, info);
2700 mono_domain_unlock (domain);
2708 * We need this here because mono_marshal_get_runtime_invoke can place
2709 * the helper method in System.Object and not the target class.
2711 if (!mono_runtime_class_init_full (info->vtable, error)) {
2713 *exc = (MonoObject*) mono_error_convert_to_exception (error);
2717 /* If coop is enabled, and the caller didn't ask for the exception to be caught separately,
2718 we always catch the exception and propagate it through the MonoError */
2719 gboolean catchExcInMonoError =
2720 (exc == NULL) && mono_threads_is_coop_enabled ();
2721 MonoObject *invoke_exc = NULL;
2722 if (catchExcInMonoError)
2725 /* The wrappers expect this to be initialized to NULL */
2729 #ifdef MONO_ARCH_DYN_CALL_SUPPORTED
2730 if (info->dyn_call_info) {
2731 MonoMethodSignature *sig = mono_method_signature (method);
2733 static RuntimeInvokeDynamicFunction dyn_runtime_invoke;
2736 guint8 retval [256];
2738 if (!dyn_runtime_invoke) {
2739 invoke = mono_marshal_get_runtime_invoke_dynamic ();
2740 dyn_runtime_invoke = (RuntimeInvokeDynamicFunction)mono_jit_compile_method (invoke, error);
2741 if (!mono_error_ok (error))
2745 /* Convert the arguments to the format expected by start_dyn_call () */
2746 args = (void **)g_alloca ((sig->param_count + sig->hasthis) * sizeof (gpointer));
2749 args [pindex ++] = &obj;
2750 for (i = 0; i < sig->param_count; ++i) {
2751 MonoType *t = sig->params [i];
2754 args [pindex ++] = ¶ms [i];
2755 } else if (MONO_TYPE_IS_REFERENCE (t) || t->type == MONO_TYPE_PTR) {
2756 args [pindex ++] = ¶ms [i];
2758 args [pindex ++] = params [i];
2762 //printf ("M: %s\n", mono_method_full_name (method, TRUE));
2764 mono_arch_start_dyn_call (info->dyn_call_info, (gpointer**)args, retval, buf, sizeof (buf));
2766 dyn_runtime_invoke (buf, exc, info->compiled_method);
2767 mono_arch_finish_dyn_call (info->dyn_call_info, buf);
2769 if (catchExcInMonoError && *exc != NULL) {
2770 mono_error_set_exception_instance (error, (MonoException*) *exc);
2774 if (info->ret_box_class)
2775 return mono_value_box_checked (domain, info->ret_box_class, retval, error);
2777 return *(MonoObject**)retval;
2783 if (mono_llvm_only) {
2784 result = mono_llvmonly_runtime_invoke (method, info, obj, params, exc, error);
2788 runtime_invoke = (MonoObject *(*)(MonoObject *, void **, MonoObject **, void *))info->runtime_invoke;
2790 result = runtime_invoke ((MonoObject *)obj, params, exc, info->compiled_method);
2792 if (catchExcInMonoError && *exc != NULL)
2793 mono_error_set_exception_instance (error, (MonoException*) *exc);
2802 typedef gpointer (*IMTTrampFunc) (gpointer *arg, MonoMethod *imt_method);
2805 * mini_llvmonly_initial_imt_tramp:
2807 * This function is called the first time a call is made through an IMT trampoline.
2808 * It should have the same signature as the mono_llvmonly_imt_tramp_... functions.
2811 mini_llvmonly_initial_imt_tramp (gpointer *arg, MonoMethod *imt_method)
2813 IMTTrampInfo *info = (IMTTrampInfo*)arg;
2818 mono_vtable_build_imt_slot (info->vtable, info->slot);
2820 imt = (gpointer*)info->vtable;
2821 imt -= MONO_IMT_SIZE;
2823 /* Return what the real IMT trampoline returns */
2824 ftndesc = imt [info->slot];
2827 if (func == (IMTTrampFunc)mini_llvmonly_initial_imt_tramp)
2828 /* Happens when the imt slot contains only a generic virtual method */
2830 return func ((gpointer *)ftndesc [1], imt_method);
2833 /* This is called indirectly through an imt slot. */
2835 mono_llvmonly_imt_tramp (gpointer *arg, MonoMethod *imt_method)
2839 /* arg points to an array created in mono_llvmonly_get_imt_trampoline () */
2840 while (arg [i] && arg [i] != imt_method)
2847 /* Optimized versions of mono_llvmonly_imt_trampoline () for different table sizes */
2849 mono_llvmonly_imt_tramp_1 (gpointer *arg, MonoMethod *imt_method)
2851 //g_assert (arg [0] == imt_method);
2856 mono_llvmonly_imt_tramp_2 (gpointer *arg, MonoMethod *imt_method)
2858 //g_assert (arg [0] == imt_method || arg [2] == imt_method);
2859 if (arg [0] == imt_method)
2866 mono_llvmonly_imt_tramp_3 (gpointer *arg, MonoMethod *imt_method)
2868 //g_assert (arg [0] == imt_method || arg [2] == imt_method || arg [4] == imt_method);
2869 if (arg [0] == imt_method)
2871 else if (arg [2] == imt_method)
2878 * A version of the imt trampoline used for generic virtual/variant iface methods.
2879 * Unlikely a normal imt trampoline, its possible that IMT_METHOD is not found
2880 * in the search table. The original JIT code had a 'fallback' trampoline it could
2881 * call, but we can't do that, so we just return NULL, and the compiled code
2885 mono_llvmonly_fallback_imt_tramp (gpointer *arg, MonoMethod *imt_method)
2889 while (arg [i] && arg [i] != imt_method)
2898 mono_llvmonly_get_imt_trampoline (MonoVTable *vtable, MonoDomain *domain, MonoIMTCheckItem **imt_entries, int count, gpointer fail_tramp)
2902 int i, index, real_count;
2903 gboolean virtual_generic = FALSE;
2906 * Create an array which is passed to the imt trampoline functions.
2907 * The array contains MonoMethod-function descriptor pairs, terminated by a NULL entry.
2911 for (i = 0; i < count; ++i) {
2912 MonoIMTCheckItem *item = imt_entries [i];
2914 if (item->is_equals)
2916 if (item->has_target_code)
2917 virtual_generic = TRUE;
2921 * Initialize all vtable entries reachable from this imt slot, so the compiled
2922 * code doesn't have to check it.
2924 for (i = 0; i < count; ++i) {
2925 MonoIMTCheckItem *item = imt_entries [i];
2928 if (!item->is_equals || item->has_target_code)
2930 vt_slot = item->value.vtable_slot;
2931 mono_init_vtable_slot (vtable, vt_slot);
2934 /* Save the entries into an array */
2935 buf = (void **)mono_domain_alloc (domain, (real_count + 1) * 2 * sizeof (gpointer));
2937 for (i = 0; i < count; ++i) {
2938 MonoIMTCheckItem *item = imt_entries [i];
2940 if (!item->is_equals)
2943 g_assert (item->key);
2944 buf [(index * 2)] = item->key;
2945 if (item->has_target_code)
2946 buf [(index * 2) + 1] = item->value.target_code;
2948 buf [(index * 2) + 1] = vtable->vtable [item->value.vtable_slot];
2951 buf [(index * 2)] = NULL;
2952 buf [(index * 2) + 1] = fail_tramp;
2955 * Return a function descriptor for a C function with 'buf' as its argument.
2956 * It will by called by JITted code.
2958 res = (void **)mono_domain_alloc (domain, 2 * sizeof (gpointer));
2959 switch (real_count) {
2961 res [0] = mono_llvmonly_imt_tramp_1;
2964 res [0] = mono_llvmonly_imt_tramp_2;
2967 res [0] = mono_llvmonly_imt_tramp_3;
2970 res [0] = mono_llvmonly_imt_tramp;
2973 if (virtual_generic || fail_tramp)
2974 res [0] = mono_llvmonly_fallback_imt_tramp;
2980 MONO_SIG_HANDLER_FUNC (, mono_sigfpe_signal_handler)
2982 MonoException *exc = NULL;
2984 MONO_SIG_HANDLER_INFO_TYPE *info = MONO_SIG_HANDLER_GET_INFO ();
2985 MONO_SIG_HANDLER_GET_CONTEXT;
2987 ji = mono_jit_info_table_find_internal (mono_domain_get (), (char *)mono_arch_ip_from_context (ctx), TRUE, TRUE);
2989 MONO_ENTER_GC_UNSAFE_UNBALANCED;
2991 #if defined(MONO_ARCH_HAVE_IS_INT_OVERFLOW)
2992 if (mono_arch_is_int_overflow (ctx, info))
2994 * The spec says this throws ArithmeticException, but MS throws the derived
2995 * OverflowException.
2997 exc = mono_get_exception_overflow ();
2999 exc = mono_get_exception_divide_by_zero ();
3001 exc = mono_get_exception_divide_by_zero ();
3005 if (!mono_do_crash_chaining && mono_chain_signal (MONO_SIG_HANDLER_PARAMS))
3008 mono_handle_native_crash ("SIGFPE", ctx, info);
3009 if (mono_do_crash_chaining) {
3010 mono_chain_signal (MONO_SIG_HANDLER_PARAMS);
3015 mono_arch_handle_exception (ctx, exc);
3018 MONO_EXIT_GC_UNSAFE_UNBALANCED;
3021 MONO_SIG_HANDLER_FUNC (, mono_sigill_signal_handler)
3023 MONO_SIG_HANDLER_INFO_TYPE *info = MONO_SIG_HANDLER_GET_INFO ();
3024 MONO_SIG_HANDLER_GET_CONTEXT;
3026 if (mono_runtime_get_no_exec ())
3030 mono_handle_native_crash ("SIGILL", ctx, info);
3031 if (mono_do_crash_chaining) {
3032 mono_chain_signal (MONO_SIG_HANDLER_PARAMS);
3036 g_assert_not_reached ();
3039 #if defined(MONO_ARCH_USE_SIGACTION) || defined(HOST_WIN32)
3040 #define HAVE_SIG_INFO
3043 MONO_SIG_HANDLER_FUNC (, mono_sigsegv_signal_handler)
3046 MonoJitTlsData *jit_tls = (MonoJitTlsData *)mono_tls_get_jit_tls ();
3047 gpointer fault_addr = NULL;
3048 #ifdef HAVE_SIG_INFO
3049 MONO_SIG_HANDLER_INFO_TYPE *info = MONO_SIG_HANDLER_GET_INFO ();
3053 MONO_SIG_HANDLER_GET_CONTEXT;
3055 #if defined(MONO_ARCH_SOFT_DEBUG_SUPPORTED) && defined(HAVE_SIG_INFO)
3056 if (mono_arch_is_single_step_event (info, ctx)) {
3057 mono_debugger_agent_single_step_event (ctx);
3059 } else if (mono_arch_is_breakpoint_event (info, ctx)) {
3060 mono_debugger_agent_breakpoint_hit (ctx);
3065 #if defined(HAVE_SIG_INFO)
3066 #if !defined(HOST_WIN32)
3067 fault_addr = info->si_addr;
3068 if (mono_aot_is_pagefault (info->si_addr)) {
3069 mono_aot_handle_pagefault (info->si_addr);
3074 /* The thread might no be registered with the runtime */
3075 if (!mono_domain_get () || !jit_tls) {
3076 if (!mono_do_crash_chaining && mono_chain_signal (MONO_SIG_HANDLER_PARAMS))
3078 mono_handle_native_crash ("SIGSEGV", ctx, info);
3079 if (mono_do_crash_chaining) {
3080 mono_chain_signal (MONO_SIG_HANDLER_PARAMS);
3086 ji = mono_jit_info_table_find_internal (mono_domain_get (), (char *)mono_arch_ip_from_context (ctx), TRUE, TRUE);
3088 #ifdef MONO_ARCH_SIGSEGV_ON_ALTSTACK
3089 if (mono_handle_soft_stack_ovf (jit_tls, ji, ctx, info, (guint8*)info->si_addr))
3092 #ifdef MONO_ARCH_HAVE_SIGCTX_TO_MONOCTX
3093 /* info->si_addr seems to be NULL on some kernels when handling stack overflows */
3094 fault_addr = info->si_addr;
3095 if (fault_addr == NULL) {
3098 mono_sigctx_to_monoctx (ctx, &mctx);
3100 fault_addr = MONO_CONTEXT_GET_SP (&mctx);
3104 if (jit_tls->stack_size &&
3105 ABS ((guint8*)fault_addr - ((guint8*)jit_tls->end_of_stack - jit_tls->stack_size)) < 8192 * sizeof (gpointer)) {
3107 * The hard-guard page has been hit: there is not much we can do anymore
3108 * Print a hopefully clear message and abort.
3110 mono_handle_hard_stack_ovf (jit_tls, ji, ctx, (guint8*)info->si_addr);
3111 g_assert_not_reached ();
3113 /* The original handler might not like that it is executed on an altstack... */
3114 if (!ji && mono_chain_signal (MONO_SIG_HANDLER_PARAMS))
3117 mono_arch_handle_altstack_exception (ctx, info, info->si_addr, FALSE);
3122 if (!mono_do_crash_chaining && mono_chain_signal (MONO_SIG_HANDLER_PARAMS))
3125 mono_handle_native_crash ("SIGSEGV", ctx, info);
3127 if (mono_do_crash_chaining) {
3128 mono_chain_signal (MONO_SIG_HANDLER_PARAMS);
3133 mono_arch_handle_exception (ctx, NULL);
3137 MONO_SIG_HANDLER_FUNC (, mono_sigint_signal_handler)
3140 MONO_SIG_HANDLER_GET_CONTEXT;
3142 MONO_ENTER_GC_UNSAFE_UNBALANCED;
3144 exc = mono_get_exception_execution_engine ("Interrupted (SIGINT).");
3146 mono_arch_handle_exception (ctx, exc);
3148 MONO_EXIT_GC_UNSAFE_UNBALANCED;
3151 #ifndef DISABLE_REMOTING
3152 /* mono_jit_create_remoting_trampoline:
3153 * @method: pointer to the method info
3155 * Creates a trampoline which calls the remoting functions. This
3156 * is used in the vtable of transparent proxies.
3158 * Returns: a pointer to the newly created code
3161 mono_jit_create_remoting_trampoline (MonoDomain *domain, MonoMethod *method, MonoRemotingTarget target, MonoError *error)
3164 guint8 *addr = NULL;
3168 if ((method->flags & METHOD_ATTRIBUTE_VIRTUAL) && mono_method_signature (method)->generic_param_count) {
3169 return mono_create_specific_trampoline (method, MONO_TRAMPOLINE_GENERIC_VIRTUAL_REMOTING,
3173 if ((method->flags & METHOD_ATTRIBUTE_ABSTRACT) ||
3174 (mono_method_signature (method)->hasthis && (mono_class_is_marshalbyref (method->klass) || method->klass == mono_defaults.object_class)))
3175 nm = mono_marshal_get_remoting_invoke_for_target (method, target);
3178 addr = (guint8 *)mono_compile_method_checked (nm, error);
3179 return_val_if_nok (error, NULL);
3180 return mono_get_addr_from_ftnptr (addr);
3184 static G_GNUC_UNUSED void
3185 no_imt_trampoline (void)
3187 g_assert_not_reached ();
3190 static G_GNUC_UNUSED void
3191 no_vcall_trampoline (void)
3193 g_assert_not_reached ();
3196 static gpointer *vtable_trampolines;
3197 static int vtable_trampolines_size;
3200 mini_get_vtable_trampoline (MonoVTable *vt, int slot_index)
3202 int index = slot_index + MONO_IMT_SIZE;
3204 if (mono_llvm_only) {
3205 if (slot_index < 0) {
3206 /* Initialize the IMT trampoline to a 'trampoline' so the generated code doesn't have to initialize it */
3207 // FIXME: Memory management
3208 gpointer *ftndesc = g_malloc (2 * sizeof (gpointer));
3209 IMTTrampInfo *info = g_new0 (IMTTrampInfo, 1);
3212 ftndesc [0] = mini_llvmonly_initial_imt_tramp;
3214 mono_memory_barrier ();
3221 g_assert (slot_index >= - MONO_IMT_SIZE);
3222 if (!vtable_trampolines || slot_index + MONO_IMT_SIZE >= vtable_trampolines_size) {
3224 if (!vtable_trampolines || index >= vtable_trampolines_size) {
3228 new_size = vtable_trampolines_size ? vtable_trampolines_size * 2 : 128;
3229 while (new_size <= index)
3231 new_table = g_new0 (gpointer, new_size);
3233 if (vtable_trampolines)
3234 memcpy (new_table, vtable_trampolines, vtable_trampolines_size * sizeof (gpointer));
3235 g_free (vtable_trampolines);
3236 mono_memory_barrier ();
3237 vtable_trampolines = (void **)new_table;
3238 vtable_trampolines_size = new_size;
3243 if (!vtable_trampolines [index])
3244 vtable_trampolines [index] = mono_create_specific_trampoline (GUINT_TO_POINTER (slot_index), MONO_TRAMPOLINE_VCALL, mono_get_root_domain (), NULL);
3245 return vtable_trampolines [index];
3249 mini_get_imt_trampoline (MonoVTable *vt, int slot_index)
3251 return mini_get_vtable_trampoline (vt, slot_index - MONO_IMT_SIZE);
3255 mini_imt_entry_inited (MonoVTable *vt, int imt_slot_index)
3260 gpointer *imt = (gpointer*)vt;
3261 imt -= MONO_IMT_SIZE;
3263 return (imt [imt_slot_index] != mini_get_imt_trampoline (vt, imt_slot_index));
3267 is_callee_gsharedvt_variable (gpointer addr)
3270 gboolean callee_gsharedvt;
3272 ji = mini_jit_info_table_find (mono_domain_get (), (char *)mono_get_addr_from_ftnptr (addr), NULL);
3274 callee_gsharedvt = mini_jit_info_is_gsharedvt (ji);
3275 if (callee_gsharedvt)
3276 callee_gsharedvt = mini_is_gsharedvt_variable_signature (mono_method_signature (jinfo_get_method (ji)));
3277 return callee_gsharedvt;
3281 mini_get_delegate_arg (MonoMethod *method, gpointer method_ptr)
3283 gpointer arg = NULL;
3285 if (mono_method_needs_static_rgctx_invoke (method, FALSE))
3286 arg = mini_method_get_rgctx (method);
3289 * Avoid adding gsharedvt in wrappers since they might not exist if
3290 * this delegate is called through a gsharedvt delegate invoke wrapper.
3291 * Instead, encode that the method is gsharedvt in del->extra_arg,
3292 * the CEE_MONO_CALLI_EXTRA_ARG implementation in the JIT depends on this.
3294 if (method->is_inflated && is_callee_gsharedvt_variable (method_ptr)) {
3295 g_assert ((((mgreg_t)arg) & 1) == 0);
3296 arg = (gpointer)(((mgreg_t)arg) | 1);
3302 mini_init_delegate (MonoDelegate *del)
3305 del->extra_arg = mini_get_delegate_arg (del->method, del->method_ptr);
3306 #ifdef ENABLE_INTERPRETER
3307 if (mono_use_interpreter)
3308 mono_interp_init_delegate (del);
3313 mono_get_delegate_virtual_invoke_impl_name (gboolean load_imt_reg, int offset)
3317 abs_offset = offset;
3319 abs_offset = - abs_offset;
3320 return g_strdup_printf ("delegate_virtual_invoke%s_%s%d", load_imt_reg ? "_imt" : "", offset < 0 ? "m_" : "", abs_offset / SIZEOF_VOID_P);
3324 mono_get_delegate_virtual_invoke_impl (MonoMethodSignature *sig, MonoMethod *method)
3326 gboolean is_virtual_generic, is_interface, load_imt_reg;
3329 static guint8 **cache = NULL;
3330 static int cache_size = 0;
3335 if (MONO_TYPE_ISSTRUCT (sig->ret))
3338 is_virtual_generic = method->is_inflated && mono_method_get_declaring_generic_method (method)->is_generic;
3339 is_interface = mono_class_is_interface (method->klass);
3340 load_imt_reg = is_virtual_generic || is_interface;
3343 offset = ((gint32)mono_method_get_imt_slot (method) - MONO_IMT_SIZE) * SIZEOF_VOID_P;
3345 offset = G_STRUCT_OFFSET (MonoVTable, vtable) + ((mono_method_get_vtable_index (method)) * (SIZEOF_VOID_P));
3347 idx = (offset / SIZEOF_VOID_P + MONO_IMT_SIZE) * 2 + (load_imt_reg ? 1 : 0);
3348 g_assert (idx >= 0);
3350 /* Resize the cache to idx + 1 */
3351 if (cache_size < idx + 1) {
3353 if (cache_size < idx + 1) {
3355 int new_cache_size = idx + 1;
3357 new_cache = g_new0 (guint8*, new_cache_size);
3359 memcpy (new_cache, cache, cache_size * sizeof (guint8*));
3362 mono_memory_barrier ();
3364 cache_size = new_cache_size;
3372 /* FIXME Support more cases */
3373 if (mono_aot_only) {
3374 cache [idx] = (guint8 *)mono_aot_get_trampoline (mono_get_delegate_virtual_invoke_impl_name (load_imt_reg, offset));
3375 g_assert (cache [idx]);
3377 cache [idx] = (guint8 *)mono_arch_get_delegate_virtual_invoke_impl (sig, method, offset, load_imt_reg);
3383 * mini_parse_debug_option:
3384 * @option: The option to parse.
3386 * Parses debug options for the mono runtime. The options are the same as for
3387 * the MONO_DEBUG environment variable.
3391 mini_parse_debug_option (const char *option)
3393 if (!strcmp (option, "handle-sigint"))
3394 debug_options.handle_sigint = TRUE;
3395 else if (!strcmp (option, "keep-delegates"))
3396 debug_options.keep_delegates = TRUE;
3397 else if (!strcmp (option, "reverse-pinvoke-exceptions"))
3398 debug_options.reverse_pinvoke_exceptions = TRUE;
3399 else if (!strcmp (option, "collect-pagefault-stats"))
3400 debug_options.collect_pagefault_stats = TRUE;
3401 else if (!strcmp (option, "break-on-unverified"))
3402 debug_options.break_on_unverified = TRUE;
3403 else if (!strcmp (option, "no-gdb-backtrace"))
3404 debug_options.no_gdb_backtrace = TRUE;
3405 else if (!strcmp (option, "suspend-on-native-crash") || !strcmp (option, "suspend-on-sigsegv"))
3406 debug_options.suspend_on_native_crash = TRUE;
3407 else if (!strcmp (option, "suspend-on-exception"))
3408 debug_options.suspend_on_exception = TRUE;
3409 else if (!strcmp (option, "suspend-on-unhandled"))
3410 debug_options.suspend_on_unhandled = TRUE;
3411 else if (!strcmp (option, "dont-free-domains"))
3412 mono_dont_free_domains = TRUE;
3413 else if (!strcmp (option, "dyn-runtime-invoke"))
3414 debug_options.dyn_runtime_invoke = TRUE;
3415 else if (!strcmp (option, "gdb"))
3416 debug_options.gdb = TRUE;
3417 else if (!strcmp (option, "lldb"))
3418 debug_options.lldb = TRUE;
3419 else if (!strcmp (option, "explicit-null-checks"))
3420 debug_options.explicit_null_checks = TRUE;
3421 else if (!strcmp (option, "gen-seq-points"))
3422 debug_options.gen_sdb_seq_points = TRUE;
3423 else if (!strcmp (option, "gen-compact-seq-points"))
3424 fprintf (stderr, "Mono Warning: option gen-compact-seq-points is deprecated.\n");
3425 else if (!strcmp (option, "no-compact-seq-points"))
3426 debug_options.no_seq_points_compact_data = TRUE;
3427 else if (!strcmp (option, "single-imm-size"))
3428 debug_options.single_imm_size = TRUE;
3429 else if (!strcmp (option, "init-stacks"))
3430 debug_options.init_stacks = TRUE;
3431 else if (!strcmp (option, "casts"))
3432 debug_options.better_cast_details = TRUE;
3433 else if (!strcmp (option, "soft-breakpoints"))
3434 debug_options.soft_breakpoints = TRUE;
3435 else if (!strcmp (option, "check-pinvoke-callconv"))
3436 debug_options.check_pinvoke_callconv = TRUE;
3437 else if (!strcmp (option, "use-fallback-tls"))
3438 debug_options.use_fallback_tls = TRUE;
3439 else if (!strcmp (option, "debug-domain-unload"))
3440 mono_enable_debug_domain_unload (TRUE);
3441 else if (!strcmp (option, "partial-sharing"))
3442 mono_set_partial_sharing_supported (TRUE);
3443 else if (!strcmp (option, "align-small-structs"))
3444 mono_align_small_structs = TRUE;
3445 else if (!strcmp (option, "native-debugger-break"))
3446 debug_options.native_debugger_break = TRUE;
3447 else if (!strcmp (option, "disable_omit_fp"))
3448 debug_options.disable_omit_fp = TRUE;
3456 mini_parse_debug_options (void)
3458 char *options = g_getenv ("MONO_DEBUG");
3459 gchar **args, **ptr;
3464 args = g_strsplit (options, ",", -1);
3467 for (ptr = args; ptr && *ptr; ptr++) {
3468 const char *arg = *ptr;
3470 if (!mini_parse_debug_option (arg)) {
3471 fprintf (stderr, "Invalid option for the MONO_DEBUG env variable: %s\n", arg);
3472 fprintf (stderr, "Available options: 'handle-sigint', 'keep-delegates', 'reverse-pinvoke-exceptions', 'collect-pagefault-stats', 'break-on-unverified', 'no-gdb-backtrace', 'suspend-on-native-crash', 'suspend-on-sigsegv', 'suspend-on-exception', 'suspend-on-unhandled', 'dont-free-domains', 'dyn-runtime-invoke', 'gdb', 'explicit-null-checks', 'gen-seq-points', 'no-compact-seq-points', 'single-imm-size', 'init-stacks', 'casts', 'soft-breakpoints', 'check-pinvoke-callconv', 'use-fallback-tls', 'debug-domain-unload', 'partial-sharing', 'align-small-structs', 'native-debugger-break'\n");
3481 mini_get_debug_options (void)
3483 return &debug_options;
3487 mini_create_ftnptr (MonoDomain *domain, gpointer addr)
3489 #if (!defined(__ppc64__) && !defined(__powerpc64__) || _CALL_ELF == 2)
3492 gpointer* desc = NULL;
3494 if ((desc = g_hash_table_lookup (domain->ftnptrs_hash, addr)))
3496 # if defined(__ppc64__) || defined(__powerpc64__)
3498 desc = mono_domain_alloc0 (domain, 3 * sizeof (gpointer));
3504 g_hash_table_insert (domain->ftnptrs_hash, addr, desc);
3510 mini_get_addr_from_ftnptr (gpointer descr)
3512 #if ((defined(__ppc64__) || defined(__powerpc64__)) && _CALL_ELF != 2)
3513 return *(gpointer*)descr;
3520 register_jit_stats (void)
3522 mono_counters_register ("Compiled methods", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.methods_compiled);
3523 mono_counters_register ("Methods from AOT", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.methods_aot);
3524 mono_counters_register ("Methods JITted using mono JIT", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.methods_without_llvm);
3525 mono_counters_register ("Methods JITted using LLVM", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.methods_with_llvm);
3526 mono_counters_register ("JIT/method_to_ir (sec)", MONO_COUNTER_JIT | MONO_COUNTER_DOUBLE, &mono_jit_stats.jit_method_to_ir);
3527 mono_counters_register ("JIT/liveness_handle_exception_clauses (sec)", MONO_COUNTER_JIT | MONO_COUNTER_DOUBLE, &mono_jit_stats.jit_liveness_handle_exception_clauses);
3528 mono_counters_register ("JIT/handle_out_of_line_bblock (sec)", MONO_COUNTER_JIT | MONO_COUNTER_DOUBLE, &mono_jit_stats.jit_handle_out_of_line_bblock);
3529 mono_counters_register ("JIT/decompose_long_opts (sec)", MONO_COUNTER_JIT | MONO_COUNTER_DOUBLE, &mono_jit_stats.jit_decompose_long_opts);
3530 mono_counters_register ("JIT/decompose_typechecks (sec)", MONO_COUNTER_JIT | MONO_COUNTER_DOUBLE, &mono_jit_stats.jit_decompose_typechecks);
3531 mono_counters_register ("JIT/local_cprop (sec)", MONO_COUNTER_JIT | MONO_COUNTER_DOUBLE, &mono_jit_stats.jit_local_cprop);
3532 mono_counters_register ("JIT/local_emulate_ops (sec)", MONO_COUNTER_JIT | MONO_COUNTER_DOUBLE, &mono_jit_stats.jit_local_emulate_ops);
3533 mono_counters_register ("JIT/optimize_branches (sec)", MONO_COUNTER_JIT | MONO_COUNTER_DOUBLE, &mono_jit_stats.jit_optimize_branches);
3534 mono_counters_register ("JIT/handle_global_vregs (sec)", MONO_COUNTER_JIT | MONO_COUNTER_DOUBLE, &mono_jit_stats.jit_handle_global_vregs);
3535 mono_counters_register ("JIT/local_deadce (sec)", MONO_COUNTER_JIT | MONO_COUNTER_DOUBLE, &mono_jit_stats.jit_local_deadce);
3536 mono_counters_register ("JIT/local_alias_analysis (sec)", MONO_COUNTER_JIT | MONO_COUNTER_DOUBLE, &mono_jit_stats.jit_local_alias_analysis);
3537 mono_counters_register ("JIT/if_conversion (sec)", MONO_COUNTER_JIT | MONO_COUNTER_DOUBLE, &mono_jit_stats.jit_if_conversion);
3538 mono_counters_register ("JIT/bb_ordering (sec)", MONO_COUNTER_JIT | MONO_COUNTER_DOUBLE, &mono_jit_stats.jit_bb_ordering);
3539 mono_counters_register ("JIT/compile_dominator_info (sec)", MONO_COUNTER_JIT | MONO_COUNTER_DOUBLE, &mono_jit_stats.jit_compile_dominator_info);
3540 mono_counters_register ("JIT/compute_natural_loops (sec)", MONO_COUNTER_JIT | MONO_COUNTER_DOUBLE, &mono_jit_stats.jit_compute_natural_loops);
3541 mono_counters_register ("JIT/insert_safepoints (sec)", MONO_COUNTER_JIT | MONO_COUNTER_DOUBLE, &mono_jit_stats.jit_insert_safepoints);
3542 mono_counters_register ("JIT/ssa_compute (sec)", MONO_COUNTER_JIT | MONO_COUNTER_DOUBLE, &mono_jit_stats.jit_ssa_compute);
3543 mono_counters_register ("JIT/ssa_cprop (sec)", MONO_COUNTER_JIT | MONO_COUNTER_DOUBLE, &mono_jit_stats.jit_ssa_cprop);
3544 mono_counters_register ("JIT/ssa_deadce(sec)", MONO_COUNTER_JIT | MONO_COUNTER_DOUBLE, &mono_jit_stats.jit_ssa_deadce);
3545 mono_counters_register ("JIT/perform_abc_removal (sec)", MONO_COUNTER_JIT | MONO_COUNTER_DOUBLE, &mono_jit_stats.jit_perform_abc_removal);
3546 mono_counters_register ("JIT/ssa_remove (sec)", MONO_COUNTER_JIT | MONO_COUNTER_DOUBLE, &mono_jit_stats.jit_ssa_remove);
3547 mono_counters_register ("JIT/local_cprop2 (sec)", MONO_COUNTER_JIT | MONO_COUNTER_DOUBLE, &mono_jit_stats.jit_local_cprop2);
3548 mono_counters_register ("JIT/handle_global_vregs2 (sec)", MONO_COUNTER_JIT | MONO_COUNTER_DOUBLE, &mono_jit_stats.jit_handle_global_vregs2);
3549 mono_counters_register ("JIT/local_deadce2 (sec)", MONO_COUNTER_JIT | MONO_COUNTER_DOUBLE, &mono_jit_stats.jit_local_deadce2);
3550 mono_counters_register ("JIT/optimize_branches2 (sec)", MONO_COUNTER_JIT | MONO_COUNTER_DOUBLE, &mono_jit_stats.jit_optimize_branches2);
3551 mono_counters_register ("JIT/decompose_vtype_opts (sec)", MONO_COUNTER_JIT | MONO_COUNTER_DOUBLE, &mono_jit_stats.jit_decompose_vtype_opts);
3552 mono_counters_register ("JIT/decompose_array_access_opts (sec)", MONO_COUNTER_JIT | MONO_COUNTER_DOUBLE, &mono_jit_stats.jit_decompose_array_access_opts);
3553 mono_counters_register ("JIT/liveness_handle_exception_clauses2 (sec)", MONO_COUNTER_JIT | MONO_COUNTER_DOUBLE, &mono_jit_stats.jit_liveness_handle_exception_clauses2);
3554 mono_counters_register ("JIT/analyze_liveness (sec)", MONO_COUNTER_JIT | MONO_COUNTER_DOUBLE, &mono_jit_stats.jit_analyze_liveness);
3555 mono_counters_register ("JIT/linear_scan (sec)", MONO_COUNTER_JIT | MONO_COUNTER_DOUBLE, &mono_jit_stats.jit_linear_scan);
3556 mono_counters_register ("JIT/arch_allocate_vars (sec)", MONO_COUNTER_JIT | MONO_COUNTER_DOUBLE, &mono_jit_stats.jit_arch_allocate_vars);
3557 mono_counters_register ("JIT/spill_global_vars (sec)", MONO_COUNTER_JIT | MONO_COUNTER_DOUBLE, &mono_jit_stats.jit_spill_global_vars);
3558 mono_counters_register ("JIT/local_cprop3 (sec)", MONO_COUNTER_JIT | MONO_COUNTER_DOUBLE, &mono_jit_stats.jit_local_cprop3);
3559 mono_counters_register ("JIT/local_deadce3 (sec)", MONO_COUNTER_JIT | MONO_COUNTER_DOUBLE, &mono_jit_stats.jit_local_deadce3);
3560 mono_counters_register ("JIT/codegen (sec)", MONO_COUNTER_JIT | MONO_COUNTER_DOUBLE, &mono_jit_stats.jit_codegen);
3561 mono_counters_register ("JIT/create_jit_info (sec)", MONO_COUNTER_JIT | MONO_COUNTER_DOUBLE, &mono_jit_stats.jit_create_jit_info);
3562 mono_counters_register ("JIT/gc_create_gc_map (sec)", MONO_COUNTER_JIT | MONO_COUNTER_DOUBLE, &mono_jit_stats.jit_gc_create_gc_map);
3563 mono_counters_register ("JIT/save_seq_point_info (sec)", MONO_COUNTER_JIT | MONO_COUNTER_DOUBLE, &mono_jit_stats.jit_save_seq_point_info);
3564 mono_counters_register ("Total time spent JITting (sec)", MONO_COUNTER_JIT | MONO_COUNTER_DOUBLE, &mono_jit_stats.jit_time);
3565 mono_counters_register ("Basic blocks", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.basic_blocks);
3566 mono_counters_register ("Max basic blocks", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.max_basic_blocks);
3567 mono_counters_register ("Allocated vars", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.allocate_var);
3568 mono_counters_register ("Code reallocs", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.code_reallocs);
3569 mono_counters_register ("Allocated code size", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.allocated_code_size);
3570 mono_counters_register ("Allocated seq points size", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.allocated_seq_points_size);
3571 mono_counters_register ("Inlineable methods", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.inlineable_methods);
3572 mono_counters_register ("Inlined methods", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.inlined_methods);
3573 mono_counters_register ("Regvars", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.regvars);
3574 mono_counters_register ("Locals stack size", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.locals_stack_size);
3575 mono_counters_register ("Method cache lookups", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.methods_lookups);
3576 mono_counters_register ("Compiled CIL code size", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.cil_code_size);
3577 mono_counters_register ("Native code size", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.native_code_size);
3578 mono_counters_register ("Aliases found", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.alias_found);
3579 mono_counters_register ("Aliases eliminated", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.alias_removed);
3580 mono_counters_register ("Aliased loads eliminated", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.loads_eliminated);
3581 mono_counters_register ("Aliased stores eliminated", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.stores_eliminated);
3582 mono_counters_register ("Optimized immediate divisions", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.optimized_divisions);
3585 static void runtime_invoke_info_free (gpointer value);
3588 class_method_pair_equal (gconstpointer ka, gconstpointer kb)
3590 const MonoClassMethodPair *apair = (const MonoClassMethodPair *)ka;
3591 const MonoClassMethodPair *bpair = (const MonoClassMethodPair *)kb;
3593 return apair->klass == bpair->klass && apair->method == bpair->method ? 1 : 0;
3597 class_method_pair_hash (gconstpointer data)
3599 const MonoClassMethodPair *pair = (const MonoClassMethodPair *)data;
3601 return (gsize)pair->klass ^ (gsize)pair->method;
3605 mini_create_jit_domain_info (MonoDomain *domain)
3607 MonoJitDomainInfo *info = g_new0 (MonoJitDomainInfo, 1);
3609 info->jump_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
3610 info->jit_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
3611 info->delegate_trampoline_hash = g_hash_table_new (class_method_pair_hash, class_method_pair_equal);
3612 info->llvm_vcall_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
3613 info->runtime_invoke_hash = mono_conc_hashtable_new_full (mono_aligned_addr_hash, NULL, NULL, runtime_invoke_info_free);
3614 info->seq_points = g_hash_table_new_full (mono_aligned_addr_hash, NULL, NULL, mono_seq_point_info_free);
3615 info->arch_seq_points = g_hash_table_new (mono_aligned_addr_hash, NULL);
3616 info->jump_target_hash = g_hash_table_new (NULL, NULL);
3617 mono_jit_code_hash_init (&info->interp_code_hash);
3619 domain->runtime_info = info;
3623 delete_jump_list (gpointer key, gpointer value, gpointer user_data)
3625 MonoJumpList *jlist = (MonoJumpList *)value;
3626 g_slist_free (jlist->list);
3630 delete_got_slot_list (gpointer key, gpointer value, gpointer user_data)
3632 GSList *list = (GSList *)value;
3633 g_slist_free (list);
3637 dynamic_method_info_free (gpointer key, gpointer value, gpointer user_data)
3639 MonoJitDynamicMethodInfo *di = (MonoJitDynamicMethodInfo *)value;
3640 mono_code_manager_destroy (di->code_mp);
3645 runtime_invoke_info_free (gpointer value)
3647 RuntimeInvokeInfo *info = (RuntimeInvokeInfo*)value;
3649 #ifdef MONO_ARCH_DYN_CALL_SUPPORTED
3650 if (info->dyn_call_info)
3651 mono_arch_dyn_call_free (info->dyn_call_info);
3657 free_jit_callee_list (gpointer key, gpointer value, gpointer user_data)
3659 g_slist_free (value);
3663 mini_free_jit_domain_info (MonoDomain *domain)
3665 MonoJitDomainInfo *info = domain_jit_info (domain);
3667 g_hash_table_foreach (info->jump_target_hash, delete_jump_list, NULL);
3668 g_hash_table_destroy (info->jump_target_hash);
3669 if (info->jump_target_got_slot_hash) {
3670 g_hash_table_foreach (info->jump_target_got_slot_hash, delete_got_slot_list, NULL);
3671 g_hash_table_destroy (info->jump_target_got_slot_hash);
3673 if (info->dynamic_code_hash) {
3674 g_hash_table_foreach (info->dynamic_code_hash, dynamic_method_info_free, NULL);
3675 g_hash_table_destroy (info->dynamic_code_hash);
3677 if (info->method_code_hash)
3678 g_hash_table_destroy (info->method_code_hash);
3679 g_hash_table_destroy (info->jump_trampoline_hash);
3680 g_hash_table_destroy (info->jit_trampoline_hash);
3681 g_hash_table_destroy (info->delegate_trampoline_hash);
3682 if (info->static_rgctx_trampoline_hash)
3683 g_hash_table_destroy (info->static_rgctx_trampoline_hash);
3684 g_hash_table_destroy (info->llvm_vcall_trampoline_hash);
3685 mono_conc_hashtable_destroy (info->runtime_invoke_hash);
3686 g_hash_table_destroy (info->seq_points);
3687 g_hash_table_destroy (info->arch_seq_points);
3688 if (info->agent_info)
3689 mono_debugger_agent_free_domain_info (domain);
3690 if (info->gsharedvt_arg_tramp_hash)
3691 g_hash_table_destroy (info->gsharedvt_arg_tramp_hash);
3692 if (info->llvm_jit_callees) {
3693 g_hash_table_foreach (info->llvm_jit_callees, free_jit_callee_list, NULL);
3694 g_hash_table_destroy (info->llvm_jit_callees);
3696 mono_internal_hash_table_destroy (&info->interp_code_hash);
3698 mono_llvm_free_domain_info (domain);
3701 g_free (domain->runtime_info);
3702 domain->runtime_info = NULL;
3705 #ifdef MONO_ARCH_HAVE_CODE_CHUNK_TRACKING
3708 code_manager_chunk_new (void *chunk, int size)
3710 mono_arch_code_chunk_new (chunk, size);
3714 code_manager_chunk_destroy (void *chunk)
3716 mono_arch_code_chunk_destroy (chunk);
3723 llvm_init_inner (void)
3725 if (!mono_llvm_load (NULL))
3736 * Load and initialize LLVM support.
3737 * Return TRUE on success.
3740 mini_llvm_init (void)
3743 static gboolean llvm_inited;
3744 static gboolean init_result;
3746 mono_loader_lock_if_inited ();
3748 init_result = llvm_init_inner ();
3751 mono_loader_unlock_if_inited ();
3759 mini_profiler_enable_with_options (const char* profile_options)
3761 mini_enable_profiler = TRUE;
3762 mini_profiler_options = g_strdup (profile_options);
3766 mini_init (const char *filename, const char *runtime_version)
3770 MonoRuntimeCallbacks callbacks;
3771 MonoThreadInfoRuntimeCallbacks ticallbacks;
3772 MonoCodeManagerCallbacks code_manager_callbacks;
3774 MONO_VES_INIT_BEGIN ();
3776 CHECKED_MONO_INIT ();
3778 #if defined(__linux__)
3779 if (access ("/proc/self/maps", F_OK) != 0) {
3780 g_print ("Mono requires /proc to be mounted.\n");
3785 #ifdef ENABLE_INTERPRETER
3786 mono_interp_init ();
3789 mono_os_mutex_init_recursive (&jit_mutex);
3791 mono_cross_helpers_run ();
3793 mono_counters_init ();
3797 mini_jit_init_job_control ();
3799 /* Happens when using the embedding interface */
3800 if (!default_opt_set)
3801 default_opt = mono_parse_default_optimizations (NULL);
3803 #ifdef MONO_ARCH_GSHAREDVT_SUPPORTED
3805 mono_set_generic_sharing_vt_supported (TRUE);
3808 mono_set_generic_sharing_vt_supported (TRUE);
3811 mono_tls_init_runtime_keys ();
3813 if (!global_codeman)
3814 global_codeman = mono_code_manager_new ();
3816 memset (&callbacks, 0, sizeof (callbacks));
3817 callbacks.create_ftnptr = mini_create_ftnptr;
3818 callbacks.get_addr_from_ftnptr = mini_get_addr_from_ftnptr;
3819 callbacks.get_runtime_build_info = mono_get_runtime_build_info;
3820 callbacks.set_cast_details = mono_set_cast_details;
3821 callbacks.debug_log = mono_debugger_agent_debug_log;
3822 callbacks.debug_log_is_enabled = mono_debugger_agent_debug_log_is_enabled;
3823 callbacks.get_vtable_trampoline = mini_get_vtable_trampoline;
3824 callbacks.get_imt_trampoline = mini_get_imt_trampoline;
3825 callbacks.imt_entry_inited = mini_imt_entry_inited;
3826 callbacks.init_delegate = mini_init_delegate;
3827 #define JIT_INVOKE_WORKS
3828 #ifdef JIT_INVOKE_WORKS
3829 callbacks.runtime_invoke = mono_jit_runtime_invoke;
3831 #define JIT_TRAMPOLINES_WORK
3832 #ifdef JIT_TRAMPOLINES_WORK
3833 callbacks.compile_method = mono_jit_compile_method;
3834 callbacks.create_jump_trampoline = mono_create_jump_trampoline;
3835 callbacks.create_jit_trampoline = mono_create_jit_trampoline;
3836 callbacks.create_delegate_trampoline = mono_create_delegate_trampoline;
3837 callbacks.free_method = mono_jit_free_method;
3838 #ifndef DISABLE_REMOTING
3839 callbacks.create_remoting_trampoline = mono_jit_create_remoting_trampoline;
3843 mono_install_callbacks (&callbacks);
3845 memset (&ticallbacks, 0, sizeof (ticallbacks));
3846 ticallbacks.setup_async_callback = mono_setup_async_callback;
3847 ticallbacks.thread_state_init_from_sigctx = mono_thread_state_init_from_sigctx;
3848 ticallbacks.thread_state_init_from_handle = mono_thread_state_init_from_handle;
3849 ticallbacks.thread_state_init = mono_thread_state_init;
3852 mono_w32handle_init ();
3855 mono_threads_runtime_init (&ticallbacks);
3857 if (g_hasenv ("MONO_DEBUG")) {
3858 mini_parse_debug_options ();
3861 mono_code_manager_init ();
3863 memset (&code_manager_callbacks, 0, sizeof (code_manager_callbacks));
3864 #ifdef MONO_ARCH_HAVE_CODE_CHUNK_TRACKING
3865 code_manager_callbacks.chunk_new = code_manager_chunk_new;
3866 code_manager_callbacks.chunk_destroy = code_manager_chunk_destroy;
3868 mono_code_manager_install_callbacks (&code_manager_callbacks);
3872 mono_arch_cpu_init ();
3876 mono_unwind_init ();
3878 if (mini_get_debug_options ()->lldb || g_hasenv ("MONO_LLDB")) {
3879 mono_lldb_init ("");
3880 mono_dont_free_domains = TRUE;
3883 #ifdef XDEBUG_ENABLED
3884 char *mono_xdebug = g_getenv ("MONO_XDEBUG");
3886 mono_xdebug_init (mono_xdebug);
3887 g_free (mono_xdebug);
3888 /* So methods for multiple domains don't have the same address */
3889 mono_dont_free_domains = TRUE;
3890 mono_using_xdebug = TRUE;
3891 } else if (mini_get_debug_options ()->gdb) {
3892 mono_xdebug_init ((char*)"gdb");
3893 mono_dont_free_domains = TRUE;
3894 mono_using_xdebug = TRUE;
3899 if (mono_use_llvm) {
3900 if (!mono_llvm_load (NULL)) {
3901 mono_use_llvm = FALSE;
3902 fprintf (stderr, "Mono Warning: llvm support could not be loaded.\n");
3909 mono_trampolines_init ();
3911 if (default_opt & MONO_OPT_AOT)
3914 mono_debugger_agent_init ();
3916 #ifdef MONO_ARCH_GSHARED_SUPPORTED
3917 mono_set_generic_sharing_supported (TRUE);
3920 mono_threads_signals_init ();
3922 #ifndef MONO_CROSS_COMPILE
3923 mono_runtime_install_handlers ();
3925 mono_threads_install_cleanup (mini_thread_cleanup);
3927 #ifdef JIT_TRAMPOLINES_WORK
3928 mono_install_create_domain_hook (mini_create_jit_domain_info);
3929 mono_install_free_domain_hook (mini_free_jit_domain_info);
3931 mono_install_get_cached_class_info (mono_aot_get_cached_class_info);
3932 mono_install_get_class_from_name (mono_aot_get_class_from_name);
3933 mono_install_jit_info_find_in_aot (mono_aot_find_jit_info);
3935 if (mini_profiler_enabled ()) {
3936 mono_profiler_load (mini_profiler_get_options ());
3937 mono_profiler_thread_name (MONO_NATIVE_THREAD_ID_TO_UINT (mono_native_thread_id_get ()), "Main");
3940 if (debug_options.collect_pagefault_stats)
3941 mono_aot_set_make_unreadable (TRUE);
3943 if (runtime_version)
3944 domain = mono_init_version (filename, runtime_version);
3946 domain = mono_init_from_assembly (filename, filename);
3948 if (mono_aot_only) {
3949 /* This helps catch code allocation requests */
3950 mono_code_manager_set_read_only (domain->code_mp);
3951 mono_marshal_use_aot_wrappers (TRUE);
3954 if (mono_llvm_only) {
3955 mono_install_imt_trampoline_builder (mono_llvmonly_get_imt_trampoline);
3956 mono_set_always_build_imt_trampolines (TRUE);
3957 } else if (mono_aot_only) {
3958 mono_install_imt_trampoline_builder (mono_aot_get_imt_trampoline);
3960 mono_install_imt_trampoline_builder (mono_arch_build_imt_trampoline);
3963 /*Init arch tls information only after the metadata side is inited to make sure we see dynamic appdomain tls keys*/
3964 mono_arch_finish_init ();
3968 /* This must come after mono_init () in the aot-only case */
3969 mono_exceptions_init ();
3971 /* This should come after mono_init () too */
3975 mono_create_helper_signatures ();
3978 register_jit_stats ();
3980 #define JIT_CALLS_WORK
3981 #ifdef JIT_CALLS_WORK
3982 /* Needs to be called here since register_jit_icall depends on it */
3983 mono_marshal_init ();
3985 mono_arch_register_lowlevel_calls ();
3989 mono_generic_sharing_init ();
3992 #ifdef MONO_ARCH_SIMD_INTRINSICS
3993 mono_simd_intrinsics_init ();
3996 mono_tasklets_init ();
3998 register_trampolines (domain);
4000 if (mono_compile_aot)
4002 * Avoid running managed code when AOT compiling, since the platform
4003 * might only support aot-only execution.
4005 mono_runtime_set_no_exec (TRUE);
4007 mono_mem_account_register_counters ();
4009 #define JIT_RUNTIME_WORKS
4010 #ifdef JIT_RUNTIME_WORKS
4011 mono_install_runtime_cleanup ((MonoDomainFunc)mini_cleanup);
4012 mono_runtime_init_checked (domain, mono_thread_start_cb, mono_thread_attach_cb, &error);
4013 mono_error_assert_ok (&error);
4014 mono_thread_attach (domain);
4017 if (mono_profiler_get_events () & MONO_PROFILE_STATISTICAL)
4018 mono_runtime_setup_stat_profiler ();
4020 mono_profiler_runtime_initialized ();
4022 MONO_VES_INIT_END ();
4028 register_icalls (void)
4030 mono_add_internal_call ("System.Diagnostics.StackFrame::get_frame_info",
4031 ves_icall_get_frame_info);
4032 mono_add_internal_call ("System.Diagnostics.StackTrace::get_trace",
4033 ves_icall_get_trace);
4034 mono_add_internal_call ("Mono.Runtime::mono_runtime_install_handlers",
4035 mono_runtime_install_handlers);
4036 mono_add_internal_call ("Mono.Runtime::mono_runtime_cleanup_handlers",
4037 mono_runtime_cleanup_handlers);
4039 #if defined(PLATFORM_ANDROID) || defined(TARGET_ANDROID)
4040 mono_add_internal_call ("System.Diagnostics.Debugger::Mono_UnhandledException_internal",
4041 mono_debugger_agent_unhandled_exception);
4045 * It's important that we pass `TRUE` as the last argument here, as
4046 * it causes the JIT to omit a wrapper for these icalls. If the JIT
4047 * *did* emit a wrapper, we'd be looking at infinite recursion since
4048 * the wrapper would call the icall which would call the wrapper and
4051 register_icall (mono_profiler_method_enter, "mono_profiler_method_enter", "void ptr", TRUE);
4052 register_icall (mono_profiler_method_leave, "mono_profiler_method_leave", "void ptr", TRUE);
4054 register_icall (mono_trace_enter_method, "mono_trace_enter_method", NULL, TRUE);
4055 register_icall (mono_trace_leave_method, "mono_trace_leave_method", NULL, TRUE);
4056 register_icall (mono_get_lmf_addr, "mono_get_lmf_addr", "ptr", TRUE);
4057 register_icall (mono_jit_thread_attach, "mono_jit_thread_attach", "ptr ptr", TRUE);
4058 register_icall (mono_jit_set_domain, "mono_jit_set_domain", "void ptr", TRUE);
4059 register_icall (mono_domain_get, "mono_domain_get", "ptr", TRUE);
4061 register_icall (mono_llvm_throw_exception, "mono_llvm_throw_exception", "void object", TRUE);
4062 register_icall (mono_llvm_rethrow_exception, "mono_llvm_rethrow_exception", "void object", TRUE);
4063 register_icall (mono_llvm_resume_exception, "mono_llvm_resume_exception", "void", TRUE);
4064 register_icall (mono_llvm_match_exception, "mono_llvm_match_exception", "int ptr int int", TRUE);
4065 register_icall (mono_llvm_clear_exception, "mono_llvm_clear_exception", NULL, TRUE);
4066 register_icall (mono_llvm_load_exception, "mono_llvm_load_exception", "object", TRUE);
4067 register_icall (mono_llvm_throw_corlib_exception, "mono_llvm_throw_corlib_exception", "void int", TRUE);
4068 #if defined(ENABLE_LLVM) && !defined(MONO_LLVM_LOADED)
4069 register_icall (mono_llvm_set_unhandled_exception_handler, "mono_llvm_set_unhandled_exception_handler", NULL, TRUE);
4071 // FIXME: This is broken
4072 register_icall (mono_debug_personality, "mono_debug_personality", "int int int ptr ptr ptr", TRUE);
4075 register_dyn_icall (mono_get_throw_exception (), "mono_arch_throw_exception", "void object", TRUE);
4076 register_dyn_icall (mono_get_rethrow_exception (), "mono_arch_rethrow_exception", "void object", TRUE);
4077 register_dyn_icall (mono_get_throw_corlib_exception (), "mono_arch_throw_corlib_exception", "void ptr", TRUE);
4078 register_icall (mono_thread_get_undeniable_exception, "mono_thread_get_undeniable_exception", "object", FALSE);
4079 register_icall (mono_thread_interruption_checkpoint, "mono_thread_interruption_checkpoint", "object", FALSE);
4080 register_icall (mono_thread_force_interruption_checkpoint_noraise, "mono_thread_force_interruption_checkpoint_noraise", "object", FALSE);
4082 if (mono_threads_is_coop_enabled ())
4083 register_icall (mono_threads_state_poll, "mono_threads_state_poll", "void", FALSE);
4085 #ifndef MONO_ARCH_NO_EMULATE_LONG_MUL_OPTS
4086 register_opcode_emulation (OP_LMUL, "__emul_lmul", "long long long", mono_llmult, "mono_llmult", FALSE);
4087 register_opcode_emulation (OP_LDIV, "__emul_ldiv", "long long long", mono_lldiv, "mono_lldiv", FALSE);
4088 register_opcode_emulation (OP_LDIV_UN, "__emul_ldiv_un", "long long long", mono_lldiv_un, "mono_lldiv_un", FALSE);
4089 register_opcode_emulation (OP_LREM, "__emul_lrem", "long long long", mono_llrem, "mono_llrem", FALSE);
4090 register_opcode_emulation (OP_LREM_UN, "__emul_lrem_un", "long long long", mono_llrem_un, "mono_llrem_un", FALSE);
4092 #if !defined(MONO_ARCH_NO_EMULATE_LONG_MUL_OPTS) || defined(MONO_ARCH_EMULATE_LONG_MUL_OVF_OPTS)
4093 register_opcode_emulation (OP_LMUL_OVF_UN, "__emul_lmul_ovf_un", "long long long", mono_llmult_ovf_un, "mono_llmult_ovf_un", FALSE);
4094 register_opcode_emulation (OP_LMUL_OVF, "__emul_lmul_ovf", "long long long", mono_llmult_ovf, "mono_llmult_ovf", FALSE);
4097 #ifndef MONO_ARCH_NO_EMULATE_LONG_SHIFT_OPS
4098 register_opcode_emulation (OP_LSHL, "__emul_lshl", "long long int32", mono_lshl, "mono_lshl", TRUE);
4099 register_opcode_emulation (OP_LSHR, "__emul_lshr", "long long int32", mono_lshr, "mono_lshr", TRUE);
4100 register_opcode_emulation (OP_LSHR_UN, "__emul_lshr_un", "long long int32", mono_lshr_un, "mono_lshr_un", TRUE);
4103 #if defined(MONO_ARCH_EMULATE_MUL_DIV) || defined(MONO_ARCH_EMULATE_DIV)
4104 register_opcode_emulation (OP_IDIV, "__emul_op_idiv", "int32 int32 int32", mono_idiv, "mono_idiv", FALSE);
4105 register_opcode_emulation (OP_IDIV_UN, "__emul_op_idiv_un", "int32 int32 int32", mono_idiv_un, "mono_idiv_un", FALSE);
4106 register_opcode_emulation (OP_IREM, "__emul_op_irem", "int32 int32 int32", mono_irem, "mono_irem", FALSE);
4107 register_opcode_emulation (OP_IREM_UN, "__emul_op_irem_un", "int32 int32 int32", mono_irem_un, "mono_irem_un", FALSE);
4110 #ifdef MONO_ARCH_EMULATE_MUL_DIV
4111 register_opcode_emulation (OP_IMUL, "__emul_op_imul", "int32 int32 int32", mono_imul, "mono_imul", TRUE);
4114 #if defined(MONO_ARCH_EMULATE_MUL_DIV) || defined(MONO_ARCH_EMULATE_MUL_OVF)
4115 register_opcode_emulation (OP_IMUL_OVF, "__emul_op_imul_ovf", "int32 int32 int32", mono_imul_ovf, "mono_imul_ovf", FALSE);
4116 register_opcode_emulation (OP_IMUL_OVF_UN, "__emul_op_imul_ovf_un", "int32 int32 int32", mono_imul_ovf_un, "mono_imul_ovf_un", FALSE);
4119 #if defined(MONO_ARCH_EMULATE_MUL_DIV) || defined(MONO_ARCH_SOFT_FLOAT_FALLBACK)
4120 register_opcode_emulation (OP_FDIV, "__emul_fdiv", "double double double", mono_fdiv, "mono_fdiv", FALSE);
4123 register_opcode_emulation (OP_FCONV_TO_U8, "__emul_fconv_to_u8", "ulong double", mono_fconv_u8, "mono_fconv_u8", FALSE);
4124 register_opcode_emulation (OP_RCONV_TO_U8, "__emul_rconv_to_u8", "ulong float", mono_rconv_u8, "mono_rconv_u8", FALSE);
4125 register_opcode_emulation (OP_FCONV_TO_U4, "__emul_fconv_to_u4", "uint32 double", mono_fconv_u4, "mono_fconv_u4", FALSE);
4126 register_opcode_emulation (OP_FCONV_TO_OVF_I8, "__emul_fconv_to_ovf_i8", "long double", mono_fconv_ovf_i8, "mono_fconv_ovf_i8", FALSE);
4127 register_opcode_emulation (OP_FCONV_TO_OVF_U8, "__emul_fconv_to_ovf_u8", "ulong double", mono_fconv_ovf_u8, "mono_fconv_ovf_u8", FALSE);
4128 register_opcode_emulation (OP_RCONV_TO_OVF_I8, "__emul_rconv_to_ovf_i8", "long float", mono_rconv_ovf_i8, "mono_rconv_ovf_i8", FALSE);
4129 register_opcode_emulation (OP_RCONV_TO_OVF_U8, "__emul_rconv_to_ovf_u8", "ulong float", mono_rconv_ovf_u8, "mono_rconv_ovf_u8", FALSE);
4132 #ifdef MONO_ARCH_EMULATE_FCONV_TO_I8
4133 register_opcode_emulation (OP_FCONV_TO_I8, "__emul_fconv_to_i8", "long double", mono_fconv_i8, "mono_fconv_i8", FALSE);
4134 register_opcode_emulation (OP_RCONV_TO_I8, "__emul_rconv_to_i8", "long float", mono_rconv_i8, "mono_rconv_i8", FALSE);
4137 #ifdef MONO_ARCH_EMULATE_CONV_R8_UN
4138 register_opcode_emulation (OP_ICONV_TO_R_UN, "__emul_iconv_to_r_un", "double int32", mono_conv_to_r8_un, "mono_conv_to_r8_un", FALSE);
4140 #ifdef MONO_ARCH_EMULATE_LCONV_TO_R8
4141 register_opcode_emulation (OP_LCONV_TO_R8, "__emul_lconv_to_r8", "double long", mono_lconv_to_r8, "mono_lconv_to_r8", FALSE);
4143 #ifdef MONO_ARCH_EMULATE_LCONV_TO_R4
4144 register_opcode_emulation (OP_LCONV_TO_R4, "__emul_lconv_to_r4", "float long", mono_lconv_to_r4, "mono_lconv_to_r4", FALSE);
4146 #ifdef MONO_ARCH_EMULATE_LCONV_TO_R8_UN
4147 register_opcode_emulation (OP_LCONV_TO_R_UN, "__emul_lconv_to_r8_un", "double long", mono_lconv_to_r8_un, "mono_lconv_to_r8_un", FALSE);
4149 #ifdef MONO_ARCH_EMULATE_FREM
4150 register_opcode_emulation (OP_FREM, "__emul_frem", "double double double", fmod, "fmod", FALSE);
4151 register_opcode_emulation (OP_RREM, "__emul_rrem", "float float float", fmodf, "fmodf", FALSE);
4154 #ifdef MONO_ARCH_SOFT_FLOAT_FALLBACK
4155 if (mono_arch_is_soft_float ()) {
4156 register_opcode_emulation (OP_FSUB, "__emul_fsub", "double double double", mono_fsub, "mono_fsub", FALSE);
4157 register_opcode_emulation (OP_FADD, "__emul_fadd", "double double double", mono_fadd, "mono_fadd", FALSE);
4158 register_opcode_emulation (OP_FMUL, "__emul_fmul", "double double double", mono_fmul, "mono_fmul", FALSE);
4159 register_opcode_emulation (OP_FNEG, "__emul_fneg", "double double", mono_fneg, "mono_fneg", FALSE);
4160 register_opcode_emulation (OP_ICONV_TO_R8, "__emul_iconv_to_r8", "double int32", mono_conv_to_r8, "mono_conv_to_r8", FALSE);
4161 register_opcode_emulation (OP_ICONV_TO_R4, "__emul_iconv_to_r4", "double int32", mono_conv_to_r4, "mono_conv_to_r4", FALSE);
4162 register_opcode_emulation (OP_FCONV_TO_R4, "__emul_fconv_to_r4", "double double", mono_fconv_r4, "mono_fconv_r4", FALSE);
4163 register_opcode_emulation (OP_FCONV_TO_I1, "__emul_fconv_to_i1", "int8 double", mono_fconv_i1, "mono_fconv_i1", FALSE);
4164 register_opcode_emulation (OP_FCONV_TO_I2, "__emul_fconv_to_i2", "int16 double", mono_fconv_i2, "mono_fconv_i2", FALSE);
4165 register_opcode_emulation (OP_FCONV_TO_I4, "__emul_fconv_to_i4", "int32 double", mono_fconv_i4, "mono_fconv_i4", FALSE);
4166 register_opcode_emulation (OP_FCONV_TO_U1, "__emul_fconv_to_u1", "uint8 double", mono_fconv_u1, "mono_fconv_u1", FALSE);
4167 register_opcode_emulation (OP_FCONV_TO_U2, "__emul_fconv_to_u2", "uint16 double", mono_fconv_u2, "mono_fconv_u2", FALSE);
4169 #if SIZEOF_VOID_P == 4
4170 register_opcode_emulation (OP_FCONV_TO_I, "__emul_fconv_to_i", "int32 double", mono_fconv_i4, "mono_fconv_i4", FALSE);
4173 register_opcode_emulation (OP_FBEQ, "__emul_fcmp_eq", "uint32 double double", mono_fcmp_eq, "mono_fcmp_eq", FALSE);
4174 register_opcode_emulation (OP_FBLT, "__emul_fcmp_lt", "uint32 double double", mono_fcmp_lt, "mono_fcmp_lt", FALSE);
4175 register_opcode_emulation (OP_FBGT, "__emul_fcmp_gt", "uint32 double double", mono_fcmp_gt, "mono_fcmp_gt", FALSE);
4176 register_opcode_emulation (OP_FBLE, "__emul_fcmp_le", "uint32 double double", mono_fcmp_le, "mono_fcmp_le", FALSE);
4177 register_opcode_emulation (OP_FBGE, "__emul_fcmp_ge", "uint32 double double", mono_fcmp_ge, "mono_fcmp_ge", FALSE);
4178 register_opcode_emulation (OP_FBNE_UN, "__emul_fcmp_ne_un", "uint32 double double", mono_fcmp_ne_un, "mono_fcmp_ne_un", FALSE);
4179 register_opcode_emulation (OP_FBLT_UN, "__emul_fcmp_lt_un", "uint32 double double", mono_fcmp_lt_un, "mono_fcmp_lt_un", FALSE);
4180 register_opcode_emulation (OP_FBGT_UN, "__emul_fcmp_gt_un", "uint32 double double", mono_fcmp_gt_un, "mono_fcmp_gt_un", FALSE);
4181 register_opcode_emulation (OP_FBLE_UN, "__emul_fcmp_le_un", "uint32 double double", mono_fcmp_le_un, "mono_fcmp_le_un", FALSE);
4182 register_opcode_emulation (OP_FBGE_UN, "__emul_fcmp_ge_un", "uint32 double double", mono_fcmp_ge_un, "mono_fcmp_ge_un", FALSE);
4184 register_opcode_emulation (OP_FCEQ, "__emul_fcmp_ceq", "uint32 double double", mono_fceq, "mono_fceq", FALSE);
4185 register_opcode_emulation (OP_FCGT, "__emul_fcmp_cgt", "uint32 double double", mono_fcgt, "mono_fcgt", FALSE);
4186 register_opcode_emulation (OP_FCGT_UN, "__emul_fcmp_cgt_un", "uint32 double double", mono_fcgt_un, "mono_fcgt_un", FALSE);
4187 register_opcode_emulation (OP_FCLT, "__emul_fcmp_clt", "uint32 double double", mono_fclt, "mono_fclt", FALSE);
4188 register_opcode_emulation (OP_FCLT_UN, "__emul_fcmp_clt_un", "uint32 double double", mono_fclt_un, "mono_fclt_un", FALSE);
4190 register_icall (mono_fload_r4, "mono_fload_r4", "double ptr", FALSE);
4191 register_icall (mono_fstore_r4, "mono_fstore_r4", "void double ptr", FALSE);
4192 register_icall (mono_fload_r4_arg, "mono_fload_r4_arg", "uint32 double", FALSE);
4193 register_icall (mono_isfinite, "mono_isfinite", "uint32 double", FALSE);
4196 register_icall (mono_ckfinite, "mono_ckfinite", "double double", FALSE);
4198 #ifdef COMPRESSED_INTERFACE_BITMAP
4199 register_icall (mono_class_interface_match, "mono_class_interface_match", "uint32 ptr int32", TRUE);
4202 #if SIZEOF_REGISTER == 4
4203 register_opcode_emulation (OP_FCONV_TO_U, "__emul_fconv_to_u", "uint32 double", mono_fconv_u4, "mono_fconv_u4", TRUE);
4205 register_opcode_emulation (OP_FCONV_TO_U, "__emul_fconv_to_u", "ulong double", mono_fconv_u8, "mono_fconv_u8", TRUE);
4208 /* other jit icalls */
4209 register_icall (ves_icall_mono_delegate_ctor, "ves_icall_mono_delegate_ctor", "void object object ptr", FALSE);
4210 register_icall (mono_class_static_field_address , "mono_class_static_field_address",
4211 "ptr ptr ptr", FALSE);
4212 register_icall (mono_ldtoken_wrapper, "mono_ldtoken_wrapper", "ptr ptr ptr ptr", FALSE);
4213 register_icall (mono_ldtoken_wrapper_generic_shared, "mono_ldtoken_wrapper_generic_shared",
4214 "ptr ptr ptr ptr", FALSE);
4215 register_icall (mono_get_special_static_data, "mono_get_special_static_data", "ptr int", FALSE);
4216 register_icall (ves_icall_mono_ldstr, "ves_icall_mono_ldstr", "object ptr ptr int32", FALSE);
4217 register_icall (mono_helper_stelem_ref_check, "mono_helper_stelem_ref_check", "void object object", FALSE);
4218 register_icall (ves_icall_object_new, "ves_icall_object_new", "object ptr ptr", FALSE);
4219 register_icall (ves_icall_object_new_specific, "ves_icall_object_new_specific", "object ptr", FALSE);
4220 register_icall (ves_icall_array_new, "ves_icall_array_new", "object ptr ptr int32", FALSE);
4221 register_icall (ves_icall_array_new_specific, "ves_icall_array_new_specific", "object ptr int32", FALSE);
4222 register_icall (ves_icall_runtime_class_init, "ves_icall_runtime_class_init", "void ptr", FALSE);
4223 register_icall (mono_ldftn, "mono_ldftn", "ptr ptr", FALSE);
4224 register_icall (mono_ldvirtfn, "mono_ldvirtfn", "ptr object ptr", FALSE);
4225 register_icall (mono_ldvirtfn_gshared, "mono_ldvirtfn_gshared", "ptr object ptr", FALSE);
4226 register_icall (mono_helper_compile_generic_method, "mono_helper_compile_generic_method", "ptr object ptr ptr", FALSE);
4227 register_icall (mono_helper_ldstr, "mono_helper_ldstr", "object ptr int", FALSE);
4228 register_icall (mono_helper_ldstr_mscorlib, "mono_helper_ldstr_mscorlib", "object int", FALSE);
4229 register_icall (mono_helper_newobj_mscorlib, "mono_helper_newobj_mscorlib", "object int", FALSE);
4230 register_icall (mono_value_copy, "mono_value_copy", "void ptr ptr ptr", FALSE);
4231 register_icall (mono_object_castclass_unbox, "mono_object_castclass_unbox", "object object ptr", FALSE);
4232 register_icall (mono_break, "mono_break", NULL, TRUE);
4233 register_icall (mono_create_corlib_exception_0, "mono_create_corlib_exception_0", "object int", TRUE);
4234 register_icall (mono_create_corlib_exception_1, "mono_create_corlib_exception_1", "object int object", TRUE);
4235 register_icall (mono_create_corlib_exception_2, "mono_create_corlib_exception_2", "object int object object", TRUE);
4236 register_icall (mono_array_new_1, "mono_array_new_1", "object ptr int", FALSE);
4237 register_icall (mono_array_new_2, "mono_array_new_2", "object ptr int int", FALSE);
4238 register_icall (mono_array_new_3, "mono_array_new_3", "object ptr int int int", FALSE);
4239 register_icall (mono_array_new_4, "mono_array_new_4", "object ptr int int int int", FALSE);
4240 register_icall (mono_get_native_calli_wrapper, "mono_get_native_calli_wrapper", "ptr ptr ptr ptr", FALSE);
4241 register_icall (mono_resume_unwind, "mono_resume_unwind", "void", TRUE);
4242 register_icall (mono_gsharedvt_constrained_call, "mono_gsharedvt_constrained_call", "object ptr ptr ptr ptr ptr", FALSE);
4243 register_icall (mono_gsharedvt_value_copy, "mono_gsharedvt_value_copy", "void ptr ptr ptr", TRUE);
4245 register_icall_no_wrapper (mono_gc_get_range_copy_func (), "mono_gc_range_copy", "void ptr ptr int");
4247 register_icall (mono_object_castclass_with_cache, "mono_object_castclass_with_cache", "object object ptr ptr", FALSE);
4248 register_icall (mono_object_isinst_with_cache, "mono_object_isinst_with_cache", "object object ptr ptr", FALSE);
4249 register_icall (mono_generic_class_init, "mono_generic_class_init", "void ptr", FALSE);
4250 register_icall (mono_fill_class_rgctx, "mono_fill_class_rgctx", "ptr ptr int", FALSE);
4251 register_icall (mono_fill_method_rgctx, "mono_fill_method_rgctx", "ptr ptr int", FALSE);
4253 register_icall (mono_debugger_agent_user_break, "mono_debugger_agent_user_break", "void", FALSE);
4255 register_icall (mono_aot_init_llvm_method, "mono_aot_init_llvm_method", "void ptr int", TRUE);
4256 register_icall (mono_aot_init_gshared_method_this, "mono_aot_init_gshared_method_this", "void ptr int object", TRUE);
4257 register_icall (mono_aot_init_gshared_method_mrgctx, "mono_aot_init_gshared_method_mrgctx", "void ptr int ptr", TRUE);
4258 register_icall (mono_aot_init_gshared_method_vtable, "mono_aot_init_gshared_method_vtable", "void ptr int ptr", TRUE);
4260 register_icall_no_wrapper (mono_resolve_iface_call_gsharedvt, "mono_resolve_iface_call_gsharedvt", "ptr object int ptr ptr");
4261 register_icall_no_wrapper (mono_resolve_vcall_gsharedvt, "mono_resolve_vcall_gsharedvt", "ptr object int ptr ptr");
4262 register_icall_no_wrapper (mono_resolve_generic_virtual_call, "mono_resolve_generic_virtual_call", "ptr ptr int ptr");
4263 register_icall_no_wrapper (mono_resolve_generic_virtual_iface_call, "mono_resolve_generic_virtual_iface_call", "ptr ptr int ptr");
4264 /* This needs a wrapper so it can have a preserveall cconv */
4265 register_icall (mono_init_vtable_slot, "mono_init_vtable_slot", "ptr ptr int", FALSE);
4266 register_icall (mono_llvmonly_init_delegate, "mono_llvmonly_init_delegate", "void object", TRUE);
4267 register_icall (mono_llvmonly_init_delegate_virtual, "mono_llvmonly_init_delegate_virtual", "void object object ptr", TRUE);
4268 register_icall (mono_get_assembly_object, "mono_get_assembly_object", "object ptr", TRUE);
4269 register_icall (mono_get_method_object, "mono_get_method_object", "object ptr", TRUE);
4270 register_icall (mono_throw_method_access, "mono_throw_method_access", "void ptr ptr", FALSE);
4271 register_icall_no_wrapper (mono_dummy_jit_icall, "mono_dummy_jit_icall", "void");
4273 register_icall_with_wrapper (mono_monitor_enter_internal, "mono_monitor_enter_internal", "void obj");
4274 register_icall_with_wrapper (mono_monitor_enter_v4_internal, "mono_monitor_enter_v4_internal", "void obj ptr");
4275 register_icall_no_wrapper (mono_monitor_enter_fast, "mono_monitor_enter_fast", "int obj");
4276 register_icall_no_wrapper (mono_monitor_enter_v4_fast, "mono_monitor_enter_v4_fast", "int obj ptr");
4279 register_icall (pthread_getspecific, "pthread_getspecific", "ptr ptr", TRUE);
4281 /* Register tls icalls */
4282 register_icall_no_wrapper (mono_tls_get_thread, "mono_tls_get_thread", "ptr");
4283 register_icall_no_wrapper (mono_tls_get_jit_tls, "mono_tls_get_jit_tls", "ptr");
4284 register_icall_no_wrapper (mono_tls_get_domain, "mono_tls_get_domain", "ptr");
4285 register_icall_no_wrapper (mono_tls_get_sgen_thread_info, "mono_tls_get_sgen_thread_info", "ptr");
4286 register_icall_no_wrapper (mono_tls_get_lmf_addr, "mono_tls_get_lmf_addr", "ptr");
4287 register_icall_no_wrapper (mono_tls_set_thread, "mono_tls_set_thread", "void ptr");
4288 register_icall_no_wrapper (mono_tls_set_jit_tls, "mono_tls_set_jit_tls", "void ptr");
4289 register_icall_no_wrapper (mono_tls_set_domain, "mono_tls_set_domain", "void ptr");
4290 register_icall_no_wrapper (mono_tls_set_sgen_thread_info, "mono_tls_set_sgen_thread_info", "void ptr");
4291 register_icall_no_wrapper (mono_tls_set_lmf_addr, "mono_tls_set_lmf_addr", "void ptr");
4294 MonoJitStats mono_jit_stats = {0};
4297 print_jit_stats (void)
4299 if (mono_jit_stats.enabled) {
4300 g_print ("Mono Jit statistics\n");
4301 g_print ("Max code size ratio: %.2f (%s)\n", mono_jit_stats.max_code_size_ratio/100.0,
4302 mono_jit_stats.max_ratio_method);
4303 g_print ("Biggest method: %ld (%s)\n", mono_jit_stats.biggest_method_size,
4304 mono_jit_stats.biggest_method);
4306 g_print ("Delegates created: %ld\n", mono_stats.delegate_creations);
4307 g_print ("Initialized classes: %ld\n", mono_stats.initialized_class_count);
4308 g_print ("Used classes: %ld\n", mono_stats.used_class_count);
4309 g_print ("Generic vtables: %ld\n", mono_stats.generic_vtable_count);
4310 g_print ("Methods: %ld\n", mono_stats.method_count);
4311 g_print ("Static data size: %ld\n", mono_stats.class_static_data_size);
4312 g_print ("VTable data size: %ld\n", mono_stats.class_vtable_size);
4313 g_print ("Mscorlib mempool size: %d\n", mono_mempool_get_allocated (mono_defaults.corlib->mempool));
4315 g_print ("\nInitialized classes: %ld\n", mono_stats.generic_class_count);
4316 g_print ("Inflated types: %ld\n", mono_stats.inflated_type_count);
4317 g_print ("Generics virtual invokes: %ld\n", mono_jit_stats.generic_virtual_invocations);
4319 g_print ("Sharable generic methods: %ld\n", mono_stats.generics_sharable_methods);
4320 g_print ("Unsharable generic methods: %ld\n", mono_stats.generics_unsharable_methods);
4321 g_print ("Shared generic methods: %ld\n", mono_stats.generics_shared_methods);
4322 g_print ("Shared vtype generic methods: %ld\n", mono_stats.gsharedvt_methods);
4324 g_print ("IMT tables size: %ld\n", mono_stats.imt_tables_size);
4325 g_print ("IMT number of tables: %ld\n", mono_stats.imt_number_of_tables);
4326 g_print ("IMT number of methods: %ld\n", mono_stats.imt_number_of_methods);
4327 g_print ("IMT used slots: %ld\n", mono_stats.imt_used_slots);
4328 g_print ("IMT colliding slots: %ld\n", mono_stats.imt_slots_with_collisions);
4329 g_print ("IMT max collisions: %ld\n", mono_stats.imt_max_collisions_in_slot);
4330 g_print ("IMT methods at max col: %ld\n", mono_stats.imt_method_count_when_max_collisions);
4331 g_print ("IMT trampolines size: %ld\n", mono_stats.imt_trampolines_size);
4333 g_print ("JIT info table inserts: %ld\n", mono_stats.jit_info_table_insert_count);
4334 g_print ("JIT info table removes: %ld\n", mono_stats.jit_info_table_remove_count);
4335 g_print ("JIT info table lookups: %ld\n", mono_stats.jit_info_table_lookup_count);
4337 g_free (mono_jit_stats.max_ratio_method);
4338 mono_jit_stats.max_ratio_method = NULL;
4339 g_free (mono_jit_stats.biggest_method);
4340 mono_jit_stats.biggest_method = NULL;
4345 mini_cleanup (MonoDomain *domain)
4347 if (mono_profiler_get_events () & MONO_PROFILE_STATISTICAL)
4348 mono_runtime_shutdown_stat_profiler ();
4351 cominterop_release_all_rcws ();
4354 #ifndef MONO_CROSS_COMPILE
4356 * mono_domain_finalize () needs to be called early since it needs the
4357 * execution engine still fully working (it may invoke managed finalizers).
4359 mono_domain_finalize (domain, 2000);
4362 /* This accesses metadata so needs to be called before runtime shutdown */
4365 #ifndef MONO_CROSS_COMPILE
4366 mono_runtime_cleanup (domain);
4369 mono_threadpool_cleanup ();
4371 mono_profiler_shutdown ();
4373 free_jit_tls_data ((MonoJitTlsData *)mono_tls_get_jit_tls ());
4375 mono_icall_cleanup ();
4377 mono_runtime_cleanup_handlers ();
4379 #ifndef MONO_CROSS_COMPILE
4380 mono_domain_free (domain, TRUE);
4385 mono_llvm_cleanup ();
4388 mono_aot_cleanup ();
4390 mono_trampolines_cleanup ();
4392 mono_unwind_cleanup ();
4394 mono_code_manager_destroy (global_codeman);
4395 g_free (vtable_trampolines);
4397 mini_jit_cleanup ();
4399 mono_tramp_info_cleanup ();
4401 mono_arch_cleanup ();
4403 mono_generic_sharing_cleanup ();
4407 mono_trace_cleanup ();
4409 mono_counters_dump (MONO_COUNTER_SECTION_MASK | MONO_COUNTER_MONOTONIC, stdout);
4411 if (mono_inject_async_exc_method)
4412 mono_method_desc_free (mono_inject_async_exc_method);
4414 mono_tls_free_keys ();
4416 mono_os_mutex_destroy (&jit_mutex);
4418 mono_code_manager_cleanup ();
4421 mono_w32handle_cleanup ();
4426 mono_set_defaults (int verbose_level, guint32 opts)
4428 mini_verbose = verbose_level;
4429 mono_set_optimizations (opts);
4433 mono_disable_optimizations (guint32 opts)
4435 default_opt &= ~opts;
4439 mono_set_optimizations (guint32 opts)
4442 default_opt_set = TRUE;
4443 #ifdef MONO_ARCH_GSHAREDVT_SUPPORTED
4444 mono_set_generic_sharing_vt_supported (mono_aot_only || ((default_opt & MONO_OPT_GSHAREDVT) != 0));
4447 mono_set_generic_sharing_vt_supported (TRUE);
4452 mono_set_verbose_level (guint32 level)
4454 mini_verbose = level;
4458 * mono_get_runtime_build_info:
4459 * The returned string is owned by the caller. The returned string
4460 * format is <code>VERSION (FULL_VERSION BUILD_DATE)</code> and build date is optional.
4461 * \returns the runtime version + build date in string format.
4464 mono_get_runtime_build_info (void)
4466 if (mono_build_date)
4467 return g_strdup_printf ("%s (%s %s)", VERSION, FULL_VERSION, mono_build_date);
4469 return g_strdup_printf ("%s (%s)", VERSION, FULL_VERSION);
4473 mono_precompile_assembly (MonoAssembly *ass, void *user_data)
4475 GHashTable *assemblies = (GHashTable*)user_data;
4476 MonoImage *image = mono_assembly_get_image (ass);
4477 MonoMethod *method, *invoke;
4480 if (g_hash_table_lookup (assemblies, ass))
4483 g_hash_table_insert (assemblies, ass, ass);
4485 if (mini_verbose > 0)
4486 printf ("PRECOMPILE: %s.\n", mono_image_get_filename (image));
4488 for (i = 0; i < mono_image_get_table_rows (image, MONO_TABLE_METHOD); ++i) {
4491 method = mono_get_method_checked (image, MONO_TOKEN_METHOD_DEF | (i + 1), NULL, NULL, &error);
4493 mono_error_cleanup (&error); /* FIXME don't swallow the error */
4496 if (method->flags & METHOD_ATTRIBUTE_ABSTRACT)
4498 if (method->is_generic || mono_class_is_gtd (method->klass))
4502 if (mini_verbose > 1) {
4503 char * desc = mono_method_full_name (method, TRUE);
4504 g_print ("Compiling %d %s\n", count, desc);
4507 mono_compile_method_checked (method, &error);
4508 if (!is_ok (&error)) {
4509 mono_error_cleanup (&error); /* FIXME don't swallow the error */
4512 if (strcmp (method->name, "Finalize") == 0) {
4513 invoke = mono_marshal_get_runtime_invoke (method, FALSE);
4514 mono_compile_method_checked (invoke, &error);
4515 mono_error_assert_ok (&error);
4517 #ifndef DISABLE_REMOTING
4518 if (mono_class_is_marshalbyref (method->klass) && mono_method_signature (method)->hasthis) {
4519 invoke = mono_marshal_get_remoting_invoke_with_check (method);
4520 mono_compile_method_checked (invoke, &error);
4521 mono_error_assert_ok (&error);
4526 /* Load and precompile referenced assemblies as well */
4527 for (i = 0; i < mono_image_get_table_rows (image, MONO_TABLE_ASSEMBLYREF); ++i) {
4528 mono_assembly_load_reference (image, i);
4529 if (image->references [i])
4530 mono_precompile_assembly (image->references [i], assemblies);
4534 void mono_precompile_assemblies ()
4536 GHashTable *assemblies = g_hash_table_new (NULL, NULL);
4538 mono_assembly_foreach ((GFunc)mono_precompile_assembly, assemblies);
4540 g_hash_table_destroy (assemblies);
4545 * Have to export this for AOT.
4548 mono_personality (void)
4551 g_assert_not_reached ();
4555 static MonoBreakPolicy
4556 always_insert_breakpoint (MonoMethod *method)
4558 return MONO_BREAK_POLICY_ALWAYS;
4561 static MonoBreakPolicyFunc break_policy_func = always_insert_breakpoint;
4564 * mono_set_break_policy:
4565 * \param policy_callback the new callback function
4567 * Allow embedders to decide whether to actually obey breakpoint instructions
4568 * (both break IL instructions and \c Debugger.Break method calls), for example
4569 * to not allow an app to be aborted by a perfectly valid IL opcode when executing
4570 * untrusted or semi-trusted code.
4572 * \p policy_callback will be called every time a break point instruction needs to
4573 * be inserted with the method argument being the method that calls \c Debugger.Break
4574 * or has the IL \c break instruction. The callback should return \c MONO_BREAK_POLICY_NEVER
4575 * if it wants the breakpoint to not be effective in the given method.
4576 * \c MONO_BREAK_POLICY_ALWAYS is the default.
4579 mono_set_break_policy (MonoBreakPolicyFunc policy_callback)
4581 if (policy_callback)
4582 break_policy_func = policy_callback;
4584 break_policy_func = always_insert_breakpoint;
4588 mini_should_insert_breakpoint (MonoMethod *method)
4590 switch (break_policy_func (method)) {
4591 case MONO_BREAK_POLICY_ALWAYS:
4593 case MONO_BREAK_POLICY_NEVER:
4595 case MONO_BREAK_POLICY_ON_DBG:
4596 g_warning ("mdb no longer supported");
4599 g_warning ("Incorrect value returned from break policy callback");
4604 // Custom handlers currently only implemented by Windows.
4607 mono_runtime_install_custom_handlers (const char *handlers)
4613 mono_runtime_install_custom_handlers_usage (void)
4616 "Custom Handlers:\n"
4617 " --handlers=HANDLERS Enable handler support, HANDLERS is a comma\n"
4618 " separated list of available handlers to install.\n"
4620 "No handlers supported on current platform.\n");
4622 #endif /* HOST_WIN32 */