2 * mini-runtime.c: Runtime code for the JIT
5 * Paolo Molaro (lupus@ximian.com)
6 * Dietmar Maurer (dietmar@ximian.com)
8 * Copyright 2002-2003 Ximian, Inc.
9 * Copyright 2003-2010 Novell, Inc.
10 * Copyright 2011-2015 Xamarin, Inc (http://www.xamarin.com)
21 #ifdef HAVE_SYS_TIME_H
28 #include <mono/utils/memcheck.h>
30 #include <mono/metadata/assembly.h>
31 #include <mono/metadata/loader.h>
32 #include <mono/metadata/tabledefs.h>
33 #include <mono/metadata/class.h>
34 #include <mono/metadata/object.h>
35 #include <mono/metadata/tokentype.h>
36 #include <mono/metadata/tabledefs.h>
37 #include <mono/metadata/threads.h>
38 #include <mono/metadata/appdomain.h>
39 #include <mono/metadata/debug-helpers.h>
40 #include "mono/metadata/profiler.h"
41 #include <mono/metadata/profiler-private.h>
42 #include <mono/metadata/mono-config.h>
43 #include <mono/metadata/environment.h>
44 #include <mono/metadata/mono-debug.h>
45 #include <mono/metadata/gc-internal.h>
46 #include <mono/metadata/threads-types.h>
47 #include <mono/metadata/mempool-internals.h>
48 #include <mono/metadata/attach.h>
49 #include <mono/metadata/runtime.h>
50 #include <mono/utils/mono-math.h>
51 #include <mono/utils/mono-compiler.h>
52 #include <mono/utils/mono-counters.h>
53 #include <mono/utils/mono-error-internals.h>
54 #include <mono/utils/mono-logger-internal.h>
55 #include <mono/utils/mono-mmap.h>
56 #include <mono/utils/mono-path.h>
57 #include <mono/utils/mono-tls.h>
58 #include <mono/utils/mono-hwcap.h>
59 #include <mono/utils/dtrace.h>
60 #include <mono/utils/mono-signal-handler.h>
61 #include <mono/utils/mono-threads.h>
62 #include <mono/utils/checked-build.h>
63 #include <mono/io-layer/io-layer.h>
66 #include "seq-points.h"
73 #include "jit-icalls.h"
76 #include "debugger-agent.h"
78 static guint32 default_opt = 0;
79 static gboolean default_opt_set = FALSE;
81 MonoNativeTlsKey mono_jit_tls_id;
83 #ifdef MONO_HAVE_FAST_TLS
84 MONO_FAST_TLS_DECLARE(mono_jit_tls);
87 gboolean mono_compile_aot = FALSE;
88 /* If this is set, no code is generated dynamically, everything is taken from AOT files */
89 gboolean mono_aot_only = FALSE;
90 MonoAotMode mono_aot_mode = MONO_AOT_MODE_NONE;
92 const char *mono_build_date;
93 gboolean mono_do_signal_chaining;
94 gboolean mono_do_crash_chaining;
98 * This flag controls whenever the runtime uses LLVM for JIT compilation, and whenever
99 * it can load AOT code compiled by LLVM.
101 gboolean mono_use_llvm = FALSE;
103 #define mono_jit_lock() mono_mutex_lock (&jit_mutex)
104 #define mono_jit_unlock() mono_mutex_unlock (&jit_mutex)
105 static mono_mutex_t jit_mutex;
107 static MonoCodeManager *global_codeman;
109 MonoDebugOptions debug_options;
111 #ifdef VALGRIND_JIT_REGISTER_MAP
112 int valgrind_register;
115 static GSList *tramp_infos;
117 static void register_icalls (void);
120 mono_running_on_valgrind (void)
123 if (RUNNING_ON_VALGRIND){
124 #ifdef VALGRIND_JIT_REGISTER_MAP
125 valgrind_register = TRUE;
139 find_tramp (gpointer key, gpointer value, gpointer user_data)
141 FindTrampUserData *ud = (FindTrampUserData*)user_data;
144 ud->method = (MonoMethod*)key;
148 G_GNUC_UNUSED static char*
149 get_method_from_ip (void *ip)
154 MonoDomain *domain = mono_domain_get ();
155 MonoDebugSourceLocation *location;
156 FindTrampUserData user_data;
159 domain = mono_get_root_domain ();
161 ji = mono_jit_info_table_find_internal (domain, ip, TRUE, TRUE);
164 user_data.method = NULL;
165 mono_domain_lock (domain);
166 g_hash_table_foreach (domain_jit_info (domain)->jit_trampoline_hash, find_tramp, &user_data);
167 mono_domain_unlock (domain);
168 if (user_data.method) {
169 char *mname = mono_method_full_name (user_data.method, TRUE);
170 res = g_strdup_printf ("<%p - JIT trampoline for %s>", ip, mname);
176 } else if (ji->is_trampoline) {
177 res = g_strdup_printf ("<%p - %s trampoline>", ip, ((MonoTrampInfo*)ji->d.tramp_info)->name);
181 method = mono_method_full_name (jinfo_get_method (ji), TRUE);
182 /* FIXME: unused ? */
183 location = mono_debug_lookup_source_location (jinfo_get_method (ji), (guint32)((guint8*)ip - (guint8*)ji->code_start), domain);
185 res = g_strdup_printf (" %s + 0x%x (%p %p) [%p - %s]", method, (int)((char*)ip - (char*)ji->code_start), ji->code_start, (char*)ji->code_start + ji->code_size, domain, domain->friendly_name);
187 mono_debug_free_source_location (location);
195 * @ip: an instruction pointer address
197 * This method is used from a debugger to get the name of the
198 * method at address @ip. This routine is typically invoked from
199 * a debugger like this:
201 * (gdb) print mono_pmip ($pc)
203 * Returns: the name of the method at address @ip.
208 return get_method_from_ip (ip);
212 * mono_print_method_from_ip
213 * @ip: an instruction pointer address
215 * This method is used from a debugger to get the name of the
216 * method at address @ip.
218 * This prints the name of the method at address @ip in the standard
219 * output. Unlike mono_pmip which returns a string, this routine
220 * prints the value on the standard output.
223 /* Prevent the linker from optimizing this away in embedding setups to help debugging */
224 __attribute__((used))
227 mono_print_method_from_ip (void *ip)
231 MonoDebugSourceLocation *source;
232 MonoDomain *domain = mono_domain_get ();
233 MonoDomain *target_domain = mono_domain_get ();
234 FindTrampUserData user_data;
235 MonoGenericSharingContext*gsctx;
236 const char *shared_type;
238 ji = mini_jit_info_table_find_ext (domain, ip, TRUE, &target_domain);
239 if (ji && ji->is_trampoline) {
240 MonoTrampInfo *tinfo = ji->d.tramp_info;
242 printf ("IP %p is at offset 0x%x of trampoline '%s'.\n", ip, (int)((guint8*)ip - tinfo->code), tinfo->name);
248 user_data.method = NULL;
249 mono_domain_lock (domain);
250 g_hash_table_foreach (domain_jit_info (domain)->jit_trampoline_hash, find_tramp, &user_data);
251 mono_domain_unlock (domain);
253 if (user_data.method) {
254 char *mname = mono_method_full_name (user_data.method, TRUE);
255 printf ("IP %p is a JIT trampoline for %s\n", ip, mname);
260 g_print ("No method at %p\n", ip);
264 method = mono_method_full_name (jinfo_get_method (ji), TRUE);
265 source = mono_debug_lookup_source_location (jinfo_get_method (ji), (guint32)((guint8*)ip - (guint8*)ji->code_start), target_domain);
267 gsctx = mono_jit_info_get_generic_sharing_context (ji);
270 if (gsctx->is_gsharedvt)
271 shared_type = "gsharedvt ";
273 shared_type = "gshared ";
276 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);
279 g_print ("%s:%d\n", source->source_file, source->row);
282 mono_debug_free_source_location (source);
287 * mono_method_same_domain:
289 * Determine whenever two compiled methods are in the same domain, thus
290 * the address of the callee can be embedded in the caller.
292 gboolean mono_method_same_domain (MonoJitInfo *caller, MonoJitInfo *callee)
296 if (!caller || caller->is_trampoline || !callee || callee->is_trampoline)
300 * If the call was made from domain-neutral to domain-specific
301 * code, we can't patch the call site.
303 if (caller->domain_neutral && !callee->domain_neutral)
306 cmethod = jinfo_get_method (caller);
307 if ((cmethod->klass == mono_defaults.appdomain_class) &&
308 (strstr (cmethod->name, "InvokeInDomain"))) {
309 /* The InvokeInDomain methods change the current appdomain */
317 * mono_global_codeman_reserve:
319 * Allocate code memory from the global code manager.
321 void *mono_global_codeman_reserve (int size)
326 g_error ("Attempting to allocate from the global code manager while running with --aot-only.\n");
328 if (!global_codeman) {
329 /* This can happen during startup */
330 global_codeman = mono_code_manager_new ();
331 return mono_code_manager_reserve (global_codeman, size);
335 ptr = mono_code_manager_reserve (global_codeman, size);
341 #if defined(__native_client_codegen__) && defined(__native_client__)
345 #ifdef __native_client_gc__
346 __nacl_suspend_thread_if_needed();
350 /* Given the temporary buffer (allocated by mono_global_codeman_reserve) into
351 * which we are generating code, return a pointer to the destination in the
352 * dynamic code segment into which the code will be copied when
353 * mono_global_codeman_commit is called.
354 * LOCKING: Acquires the jit lock.
357 nacl_global_codeman_get_dest (void *data)
361 dest = nacl_code_manager_get_code_dest (global_codeman, data);
367 mono_global_codeman_commit (void *data, int size, int newsize)
370 mono_code_manager_commit (global_codeman, data, size, newsize);
375 * Convenience function which calls mono_global_codeman_commit to validate and
376 * copy the code. The caller sets *buf_base and *buf_size to the start and size
377 * of the buffer (allocated by mono_global_codeman_reserve), and *code_end to
378 * the byte after the last instruction byte. On return, *buf_base will point to
379 * the start of the copied in the code segment, and *code_end will point after
380 * the end of the copied code.
383 nacl_global_codeman_validate (guint8 **buf_base, int buf_size, guint8 **code_end)
385 guint8 *tmp = nacl_global_codeman_get_dest (*buf_base);
386 mono_global_codeman_commit (*buf_base, buf_size, *code_end - *buf_base);
387 *code_end = tmp + (*code_end - *buf_base);
391 /* no-op versions of Native Client functions */
393 nacl_global_codeman_get_dest (void *data)
399 mono_global_codeman_commit (void *data, int size, int newsize)
404 nacl_global_codeman_validate (guint8 **buf_base, int buf_size, guint8 **code_end)
408 #endif /* __native_client__ */
411 * mono_create_unwind_op:
413 * Create an unwind op with the given parameters.
416 mono_create_unwind_op (int when, int tag, int reg, int val)
418 MonoUnwindOp *op = g_new0 (MonoUnwindOp, 1);
429 mono_jump_info_token_new2 (MonoMemPool *mp, MonoImage *image, guint32 token, MonoGenericContext *context)
431 MonoJumpInfoToken *res = mono_mempool_alloc0 (mp, sizeof (MonoJumpInfoToken));
434 res->has_context = context != NULL;
436 memcpy (&res->context, context, sizeof (MonoGenericContext));
442 mono_jump_info_token_new (MonoMemPool *mp, MonoImage *image, guint32 token)
444 return mono_jump_info_token_new2 (mp, image, token, NULL);
448 * mono_tramp_info_create:
450 * Create a MonoTrampInfo structure from the arguments. This function assumes ownership
451 * of JI, and UNWIND_OPS.
454 mono_tramp_info_create (const char *name, guint8 *code, guint32 code_size, MonoJumpInfo *ji, GSList *unwind_ops)
456 MonoTrampInfo *info = g_new0 (MonoTrampInfo, 1);
458 info->name = g_strdup ((char*)name);
460 info->code_size = code_size;
462 info->unwind_ops = unwind_ops;
468 mono_tramp_info_free (MonoTrampInfo *info)
473 mono_free_unwind_info (info->unwind_ops);
478 register_trampoline_jit_info (MonoDomain *domain, MonoTrampInfo *info)
482 ji = mono_domain_alloc0 (domain, mono_jit_info_size (0, 0, 0));
483 mono_jit_info_init (ji, NULL, info->code, info->code_size, 0, 0, 0);
484 ji->d.tramp_info = info;
485 ji->is_trampoline = TRUE;
487 ji->unwind_info = mono_cache_unwind_info (info->uw_info, info->uw_info_len);
489 mono_jit_info_table_add (domain, ji);
493 * mono_tramp_info_register:
495 * Remember INFO for use by xdebug, mono_print_method_from_ip (), jit maps, etc.
500 mono_tramp_info_register (MonoTrampInfo *info, MonoDomain *domain)
508 domain = mono_get_root_domain ();
510 copy = g_new0 (MonoTrampInfo, 1);
511 copy->code = info->code;
512 copy->code_size = info->code_size;
513 copy->name = g_strdup (info->name);
515 if (info->unwind_ops) {
516 copy->uw_info = mono_unwind_ops_encode (info->unwind_ops, ©->uw_info_len);
518 /* Trampolines from aot have the unwind ops already encoded */
519 copy->uw_info = info->uw_info;
520 copy->uw_info_len = info->uw_info_len;
524 tramp_infos = g_slist_prepend (tramp_infos, copy);
527 mono_save_trampoline_xdebug_info (info);
529 /* Only register trampolines that have unwind infos */
530 if (mono_get_root_domain () && copy->uw_info)
531 register_trampoline_jit_info (domain, copy);
533 if (mono_jit_map_is_enabled ())
534 mono_emit_jit_tramp (info->code, info->code_size, info->name);
536 mono_tramp_info_free (info);
540 mono_tramp_info_cleanup (void)
544 for (l = tramp_infos; l; l = l->next) {
545 MonoTrampInfo *info = l->data;
547 mono_tramp_info_free (info);
549 g_slist_free (tramp_infos);
552 /* Register trampolines created before the root domain was created in the jit info tables */
554 register_trampolines (MonoDomain *domain)
558 for (l = tramp_infos; l; l = l->next) {
559 MonoTrampInfo *info = l->data;
561 register_trampoline_jit_info (domain, info);
565 G_GNUC_UNUSED static void
571 * Runtime debugging tool, use if (debug_count ()) <x> else <y> to do <x> the first COUNT times, then do <y> afterwards.
572 * Set a breakpoint in break_count () to break the last time <x> is done.
574 G_GNUC_UNUSED gboolean
575 mono_debug_count (void)
577 static int count = 0;
578 static gboolean inited;
579 static const char *value;
584 value = g_getenv ("COUNT");
591 if (count == atoi (value))
594 if (count > atoi (value))
601 mono_icall_get_wrapper_full (MonoJitICallInfo* callinfo, gboolean do_compile)
605 gconstpointer trampoline;
606 MonoDomain *domain = mono_get_root_domain ();
607 gboolean check_exc = TRUE;
609 if (callinfo->wrapper)
610 return callinfo->wrapper;
612 if (callinfo->trampoline)
613 return callinfo->trampoline;
615 if (!strcmp (callinfo->name, "mono_thread_interruption_checkpoint"))
616 /* This icall is used to check for exceptions, so don't check in the wrapper */
619 name = g_strdup_printf ("__icall_wrapper_%s", callinfo->name);
620 wrapper = mono_marshal_get_icall_wrapper (callinfo->sig, name, callinfo->func, check_exc);
624 trampoline = mono_compile_method (wrapper);
626 trampoline = mono_create_ftnptr (domain, mono_create_jit_trampoline_in_domain (domain, wrapper));
629 if (!callinfo->trampoline) {
630 mono_register_jit_icall_wrapper (callinfo, trampoline);
631 callinfo->trampoline = trampoline;
633 mono_loader_unlock ();
635 return callinfo->trampoline;
639 mono_icall_get_wrapper (MonoJitICallInfo* callinfo)
641 return mono_icall_get_wrapper_full (callinfo, FALSE);
644 static MonoJitDynamicMethodInfo*
645 mono_dynamic_code_hash_lookup (MonoDomain *domain, MonoMethod *method)
647 MonoJitDynamicMethodInfo *res;
649 if (domain_jit_info (domain)->dynamic_code_hash)
650 res = g_hash_table_lookup (domain_jit_info (domain)->dynamic_code_hash, method);
657 register_opcode_emulation (int opcode, const char *name, const char *sigstr, gpointer func, const char *symbol, gboolean no_throw)
660 mini_register_opcode_emulation (opcode, name, sigstr, func, symbol, no_throw);
662 MonoMethodSignature *sig = mono_create_icall_signature (sigstr);
664 g_assert (!sig->hasthis);
665 g_assert (sig->param_count < 3);
667 /* Opcode emulation functions are assumed to don't call mono_raise_exception () */
668 mono_register_jit_icall_full (func, name, sig, no_throw, TRUE, symbol);
673 * For JIT icalls implemented in C.
674 * NAME should be the same as the name of the C function whose address is FUNC.
675 * If @avoid_wrapper is TRUE, no wrapper is generated. This is for perf critical icalls which
676 * can't throw exceptions.
679 register_icall (gpointer func, const char *name, const char *sigstr, gboolean avoid_wrapper)
681 MonoMethodSignature *sig;
684 sig = mono_create_icall_signature (sigstr);
688 mono_register_jit_icall_full (func, name, sig, avoid_wrapper, FALSE, avoid_wrapper ? name : NULL);
692 register_dyn_icall (gpointer func, const char *name, const char *sigstr, gboolean save)
694 MonoMethodSignature *sig;
697 sig = mono_create_icall_signature (sigstr);
701 mono_register_jit_icall (func, name, sig, save);
704 #ifdef MONO_HAVE_FAST_TLS
705 MONO_FAST_TLS_DECLARE(mono_lmf_addr);
706 #ifdef MONO_ARCH_ENABLE_MONO_LMF_VAR
708 * When this is defined, the current lmf is stored in this tls variable instead of in
711 MONO_FAST_TLS_DECLARE(mono_lmf);
716 mono_get_jit_tls_offset (void)
722 offset = mono_jit_tls_id;
724 /* FIXME: Happens during startup */
727 MONO_THREAD_VAR_OFFSET (mono_jit_tls, offset);
733 mono_get_lmf_tls_offset (void)
735 #if defined(MONO_ARCH_ENABLE_MONO_LMF_VAR)
737 MONO_THREAD_VAR_OFFSET(mono_lmf,offset);
745 mono_get_lmf_addr_tls_offset (void)
748 MONO_THREAD_VAR_OFFSET(mono_lmf_addr,offset);
755 #if defined(MONO_HAVE_FAST_TLS) && defined(MONO_ARCH_ENABLE_MONO_LMF_VAR)
756 return MONO_FAST_TLS_GET (mono_lmf);
758 MonoJitTlsData *jit_tls;
760 if ((jit_tls = mono_native_tls_get_value (mono_jit_tls_id)))
763 * We do not assert here because this function can be called from
764 * mini-gc.c on a thread that has not executed any managed code, yet
765 * (the thread object allocation can trigger a collection).
772 mono_get_lmf_addr (void)
774 #ifdef MONO_HAVE_FAST_TLS
775 return MONO_FAST_TLS_GET (mono_lmf_addr);
777 MonoJitTlsData *jit_tls;
779 jit_tls = mono_native_tls_get_value (mono_jit_tls_id);
780 if (G_LIKELY (jit_tls))
781 return &jit_tls->lmf;
784 * When resolving the call to mono_jit_thread_attach full-aot will look
785 * in the plt, which causes a call into the generic trampoline, which in turn
786 * tries to resolve the lmf_addr creating a cyclic dependency. We cannot
787 * call mono_jit_thread_attach from the native-to-managed wrapper, without
788 * mono_get_lmf_addr, and mono_get_lmf_addr requires the thread to be attached.
791 mono_jit_thread_attach (NULL);
793 if ((jit_tls = mono_native_tls_get_value (mono_jit_tls_id)))
794 return &jit_tls->lmf;
796 g_assert_not_reached ();
802 mono_set_lmf (MonoLMF *lmf)
804 #if defined(MONO_HAVE_FAST_TLS) && defined(MONO_ARCH_ENABLE_MONO_LMF_VAR)
805 MONO_FAST_TLS_SET (mono_lmf, lmf);
808 (*mono_get_lmf_addr ()) = lmf;
812 mono_get_jit_tls (void)
814 return mono_native_tls_get_value (mono_jit_tls_id);
818 mono_set_jit_tls (MonoJitTlsData *jit_tls)
820 MonoThreadInfo *info;
822 mono_native_tls_set_value (mono_jit_tls_id, jit_tls);
824 #ifdef MONO_HAVE_FAST_TLS
825 MONO_FAST_TLS_SET (mono_jit_tls, jit_tls);
828 /* Save it into MonoThreadInfo so it can be accessed by mono_thread_state_init_from_handle () */
829 info = mono_thread_info_current ();
831 mono_thread_info_tls_set (info, TLS_KEY_JIT_TLS, jit_tls);
835 mono_set_lmf_addr (gpointer lmf_addr)
837 MonoThreadInfo *info;
839 #ifdef MONO_HAVE_FAST_TLS
840 MONO_FAST_TLS_SET (mono_lmf_addr, lmf_addr);
843 /* Save it into MonoThreadInfo so it can be accessed by mono_thread_state_init_from_handle () */
844 info = mono_thread_info_current ();
846 mono_thread_info_tls_set (info, TLS_KEY_LMF_ADDR, lmf_addr);
850 * mono_jit_thread_attach:
852 * Called by native->managed wrappers. Returns the original domain which needs to be
856 mono_jit_thread_attach (MonoDomain *domain)
862 * Happens when called from AOTed code which is only used in the root
865 domain = mono_get_root_domain ();
867 #ifdef MONO_HAVE_FAST_TLS
868 if (!MONO_FAST_TLS_GET (mono_lmf_addr)) {
869 mono_thread_attach (domain);
871 mono_thread_set_state (mono_thread_internal_current (), ThreadState_Background);
874 if (!mono_native_tls_get_value (mono_jit_tls_id)) {
875 mono_thread_attach (domain);
876 mono_thread_set_state (mono_thread_internal_current (), ThreadState_Background);
879 orig = mono_domain_get ();
881 mono_domain_set (domain, TRUE);
883 return orig != domain ? orig : NULL;
886 /* Called by native->managed wrappers */
888 mono_jit_set_domain (MonoDomain *domain)
891 mono_domain_set (domain, TRUE);
896 * @obj: exception object
898 * abort the thread, print exception information and stack trace
901 mono_thread_abort (MonoObject *obj)
903 /* MonoJitTlsData *jit_tls = mono_native_tls_get_value (mono_jit_tls_id); */
905 /* handle_remove should be eventually called for this thread, too
908 if ((mono_runtime_unhandled_exception_policy_get () == MONO_UNHANDLED_POLICY_LEGACY) ||
909 (obj->vtable->klass == mono_defaults.threadabortexception_class)) {
912 mono_invoke_unhandled_exception_hook (obj);
917 setup_jit_tls_data (gpointer stack_start, gpointer abort_func)
919 MonoJitTlsData *jit_tls;
922 jit_tls = mono_native_tls_get_value (mono_jit_tls_id);
926 jit_tls = g_new0 (MonoJitTlsData, 1);
928 jit_tls->abort_func = abort_func;
929 jit_tls->end_of_stack = stack_start;
931 mono_set_jit_tls (jit_tls);
933 lmf = g_new0 (MonoLMF, 1);
934 MONO_ARCH_INIT_TOP_LMF_ENTRY (lmf);
936 jit_tls->first_lmf = lmf;
938 #if defined(MONO_HAVE_FAST_TLS) && defined(MONO_ARCH_ENABLE_MONO_LMF_VAR)
939 /* jit_tls->lmf is unused */
940 MONO_FAST_TLS_SET (mono_lmf, lmf);
941 mono_set_lmf_addr (MONO_FAST_TLS_ADDR (mono_lmf));
943 mono_set_lmf_addr (&jit_tls->lmf);
948 #ifdef MONO_ARCH_HAVE_TLS_INIT
949 mono_arch_tls_init ();
952 mono_setup_altstack (jit_tls);
958 free_jit_tls_data (MonoJitTlsData *jit_tls)
960 mono_arch_free_jit_tls_data (jit_tls);
961 mono_free_altstack (jit_tls);
963 g_free (jit_tls->first_lmf);
968 mono_thread_start_cb (intptr_t tid, gpointer stack_start, gpointer func)
970 MonoThreadInfo *thread;
971 void *jit_tls = setup_jit_tls_data (stack_start, mono_thread_abort);
972 thread = mono_thread_info_current_unchecked ();
974 thread->jit_data = jit_tls;
976 mono_arch_cpu_init ();
979 void (*mono_thread_attach_aborted_cb ) (MonoObject *obj) = NULL;
982 mono_thread_abort_dummy (MonoObject *obj)
984 if (mono_thread_attach_aborted_cb)
985 mono_thread_attach_aborted_cb (obj);
987 mono_thread_abort (obj);
991 mono_thread_attach_cb (intptr_t tid, gpointer stack_start)
993 MonoThreadInfo *thread;
994 void *jit_tls = setup_jit_tls_data (stack_start, mono_thread_abort_dummy);
995 thread = mono_thread_info_current_unchecked ();
997 thread->jit_data = jit_tls;
998 if (mono_profiler_get_events () & MONO_PROFILE_STATISTICAL)
999 mono_runtime_setup_stat_profiler ();
1001 mono_arch_cpu_init ();
1005 mini_thread_cleanup (MonoNativeThreadId tid)
1007 MonoJitTlsData *jit_tls = NULL;
1008 MonoThreadInfo *info;
1010 info = mono_thread_info_current_unchecked ();
1012 /* We can't clean up tls information if we are on another thread, it will clean up the wrong stuff
1013 * It would be nice to issue a warning when this happens outside of the shutdown sequence. but it's
1014 * not a trivial thing.
1016 * The current offender is mono_thread_manage which cleanup threads from the outside.
1018 if (info && mono_thread_info_get_tid (info) == tid) {
1019 jit_tls = info->jit_data;
1020 info->jit_data = NULL;
1022 mono_set_jit_tls (NULL);
1024 /* If we attach a thread but never call into managed land, we might never get an lmf.*/
1025 if (mono_get_lmf ()) {
1026 mono_set_lmf (NULL);
1027 mono_set_lmf_addr (NULL);
1030 info = mono_thread_info_lookup (tid);
1032 jit_tls = info->jit_data;
1033 info->jit_data = NULL;
1035 mono_hazard_pointer_clear (mono_hazard_pointer_get (), 1);
1039 free_jit_tls_data (jit_tls);
1043 mini_get_tls_offset (MonoTlsKey key)
1046 g_assert (MONO_ARCH_HAVE_TLS_GET);
1049 case TLS_KEY_THREAD:
1050 offset = mono_thread_get_tls_offset ();
1052 case TLS_KEY_JIT_TLS:
1053 offset = mono_get_jit_tls_offset ();
1055 case TLS_KEY_DOMAIN:
1056 offset = mono_domain_get_tls_offset ();
1059 offset = mono_get_lmf_tls_offset ();
1061 case TLS_KEY_LMF_ADDR:
1062 offset = mono_get_lmf_addr_tls_offset ();
1065 offset = mono_tls_key_get_offset (key);
1066 g_assert (offset != -1);
1074 mini_tls_key_supported (MonoTlsKey key)
1076 if (!MONO_ARCH_HAVE_TLS_GET)
1079 return mini_get_tls_offset (key) != -1;
1083 mono_patch_info_list_prepend (MonoJumpInfo *list, int ip, MonoJumpInfoType type, gconstpointer target)
1085 MonoJumpInfo *ji = g_new0 (MonoJumpInfo, 1);
1089 ji->data.target = target;
1096 * mono_patch_info_dup_mp:
1098 * Make a copy of PATCH_INFO, allocating memory from the mempool MP.
1101 mono_patch_info_dup_mp (MonoMemPool *mp, MonoJumpInfo *patch_info)
1103 MonoJumpInfo *res = mono_mempool_alloc (mp, sizeof (MonoJumpInfo));
1104 memcpy (res, patch_info, sizeof (MonoJumpInfo));
1106 switch (patch_info->type) {
1107 case MONO_PATCH_INFO_RVA:
1108 case MONO_PATCH_INFO_LDSTR:
1109 case MONO_PATCH_INFO_TYPE_FROM_HANDLE:
1110 case MONO_PATCH_INFO_LDTOKEN:
1111 case MONO_PATCH_INFO_DECLSEC:
1112 res->data.token = mono_mempool_alloc (mp, sizeof (MonoJumpInfoToken));
1113 memcpy (res->data.token, patch_info->data.token, sizeof (MonoJumpInfoToken));
1115 case MONO_PATCH_INFO_SWITCH:
1116 res->data.table = mono_mempool_alloc (mp, sizeof (MonoJumpInfoBBTable));
1117 memcpy (res->data.table, patch_info->data.table, sizeof (MonoJumpInfoBBTable));
1118 res->data.table->table = mono_mempool_alloc (mp, sizeof (MonoBasicBlock*) * patch_info->data.table->table_size);
1119 memcpy (res->data.table->table, patch_info->data.table->table, sizeof (MonoBasicBlock*) * patch_info->data.table->table_size);
1121 case MONO_PATCH_INFO_RGCTX_FETCH:
1122 res->data.rgctx_entry = mono_mempool_alloc (mp, sizeof (MonoJumpInfoRgctxEntry));
1123 memcpy (res->data.rgctx_entry, patch_info->data.rgctx_entry, sizeof (MonoJumpInfoRgctxEntry));
1124 res->data.rgctx_entry->data = mono_patch_info_dup_mp (mp, res->data.rgctx_entry->data);
1126 case MONO_PATCH_INFO_DELEGATE_TRAMPOLINE:
1127 res->data.del_tramp = mono_mempool_alloc0 (mp, sizeof (MonoDelegateClassMethodPair));
1128 memcpy (res->data.del_tramp, patch_info->data.del_tramp, sizeof (MonoDelegateClassMethodPair));
1130 case MONO_PATCH_INFO_GSHAREDVT_CALL:
1131 res->data.gsharedvt = mono_mempool_alloc (mp, sizeof (MonoJumpInfoGSharedVtCall));
1132 memcpy (res->data.gsharedvt, patch_info->data.gsharedvt, sizeof (MonoJumpInfoGSharedVtCall));
1134 case MONO_PATCH_INFO_GSHAREDVT_METHOD: {
1135 MonoGSharedVtMethodInfo *info;
1136 MonoGSharedVtMethodInfo *oinfo;
1139 oinfo = patch_info->data.gsharedvt_method;
1140 info = mono_mempool_alloc (mp, sizeof (MonoGSharedVtMethodInfo));
1141 res->data.gsharedvt_method = info;
1142 memcpy (info, oinfo, sizeof (MonoGSharedVtMethodInfo));
1143 info->entries = mono_mempool_alloc (mp, sizeof (MonoRuntimeGenericContextInfoTemplate) * info->count_entries);
1144 for (i = 0; i < oinfo->num_entries; ++i) {
1145 MonoRuntimeGenericContextInfoTemplate *otemplate = &oinfo->entries [i];
1146 MonoRuntimeGenericContextInfoTemplate *template = &info->entries [i];
1148 memcpy (template, otemplate, sizeof (MonoRuntimeGenericContextInfoTemplate));
1150 //info->locals_types = mono_mempool_alloc0 (mp, info->nlocals * sizeof (MonoType*));
1151 //memcpy (info->locals_types, oinfo->locals_types, info->nlocals * sizeof (MonoType*));
1154 case MONO_PATCH_INFO_VIRT_METHOD: {
1155 MonoJumpInfoVirtMethod *info;
1156 MonoJumpInfoVirtMethod *oinfo;
1158 oinfo = patch_info->data.virt_method;
1159 info = mono_mempool_alloc0 (mp, sizeof (MonoJumpInfoVirtMethod));
1160 res->data.virt_method = info;
1161 memcpy (info, oinfo, sizeof (MonoJumpInfoVirtMethod));
1172 mono_patch_info_hash (gconstpointer data)
1174 const MonoJumpInfo *ji = (MonoJumpInfo*)data;
1177 case MONO_PATCH_INFO_RVA:
1178 case MONO_PATCH_INFO_LDSTR:
1179 case MONO_PATCH_INFO_LDTOKEN:
1180 case MONO_PATCH_INFO_DECLSEC:
1181 return (ji->type << 8) | ji->data.token->token;
1182 case MONO_PATCH_INFO_TYPE_FROM_HANDLE:
1183 return (ji->type << 8) | ji->data.token->token | (ji->data.token->has_context ? (gsize)ji->data.token->context.class_inst : 0);
1184 case MONO_PATCH_INFO_INTERNAL_METHOD:
1185 return (ji->type << 8) | g_str_hash (ji->data.name);
1186 case MONO_PATCH_INFO_VTABLE:
1187 case MONO_PATCH_INFO_CLASS:
1188 case MONO_PATCH_INFO_IID:
1189 case MONO_PATCH_INFO_ADJUSTED_IID:
1190 case MONO_PATCH_INFO_METHODCONST:
1191 case MONO_PATCH_INFO_METHOD:
1192 case MONO_PATCH_INFO_METHOD_JUMP:
1193 case MONO_PATCH_INFO_IMAGE:
1194 case MONO_PATCH_INFO_ICALL_ADDR:
1195 case MONO_PATCH_INFO_FIELD:
1196 case MONO_PATCH_INFO_SFLDA:
1197 case MONO_PATCH_INFO_SEQ_POINT_INFO:
1198 case MONO_PATCH_INFO_METHOD_RGCTX:
1199 case MONO_PATCH_INFO_SIGNATURE:
1200 case MONO_PATCH_INFO_TLS_OFFSET:
1201 case MONO_PATCH_INFO_METHOD_CODE_SLOT:
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 MonoJumpInfoRgctxEntry *e = ji->data.rgctx_entry;
1208 return (ji->type << 8) | (gssize)e->method | (e->in_mrgctx) | e->info_type | mono_patch_info_hash (e->data);
1210 case MONO_PATCH_INFO_INTERRUPTION_REQUEST_FLAG:
1211 case MONO_PATCH_INFO_MSCORLIB_GOT_ADDR:
1212 case MONO_PATCH_INFO_GC_CARD_TABLE_ADDR:
1213 case MONO_PATCH_INFO_GC_NURSERY_START:
1214 case MONO_PATCH_INFO_JIT_TLS_ID:
1215 case MONO_PATCH_INFO_GOT_OFFSET:
1216 case MONO_PATCH_INFO_GC_SAFE_POINT_FLAG:
1217 return (ji->type << 8);
1218 case MONO_PATCH_INFO_CASTCLASS_CACHE:
1219 return (ji->type << 8) | (ji->data.index);
1220 case MONO_PATCH_INFO_SWITCH:
1221 return (ji->type << 8) | ji->data.table->table_size;
1222 case MONO_PATCH_INFO_GSHAREDVT_METHOD:
1223 return (ji->type << 8) | (gssize)ji->data.gsharedvt_method->method;
1224 case MONO_PATCH_INFO_OBJC_SELECTOR_REF:
1225 /* Hash on the selector name */
1226 return g_str_hash (ji->data.target);
1227 case MONO_PATCH_INFO_DELEGATE_TRAMPOLINE:
1228 return (ji->type << 8) | (gsize)ji->data.del_tramp->klass | (gsize)ji->data.del_tramp->method | (gsize)ji->data.del_tramp->virtual;
1229 case MONO_PATCH_INFO_LDSTR_LIT:
1230 return g_str_hash (ji->data.target);
1231 case MONO_PATCH_INFO_VIRT_METHOD: {
1232 MonoJumpInfoVirtMethod *info = ji->data.virt_method;
1234 return (ji->type << 8) | (gssize)info->klass | (gssize)info->method;
1236 case MONO_PATCH_INFO_JIT_ICALL_ADDR:
1237 return (ji->type << 8) | g_str_hash (ji->data.target);
1239 printf ("info type: %d\n", ji->type);
1240 mono_print_ji (ji); printf ("\n");
1241 g_assert_not_reached ();
1247 * mono_patch_info_equal:
1249 * This might fail to recognize equivalent patches, i.e. floats, so its only
1250 * usable in those cases where this is not a problem, i.e. sharing GOT slots
1254 mono_patch_info_equal (gconstpointer ka, gconstpointer kb)
1256 const MonoJumpInfo *ji1 = (MonoJumpInfo*)ka;
1257 const MonoJumpInfo *ji2 = (MonoJumpInfo*)kb;
1259 if (ji1->type != ji2->type)
1262 switch (ji1->type) {
1263 case MONO_PATCH_INFO_RVA:
1264 case MONO_PATCH_INFO_LDSTR:
1265 case MONO_PATCH_INFO_TYPE_FROM_HANDLE:
1266 case MONO_PATCH_INFO_LDTOKEN:
1267 case MONO_PATCH_INFO_DECLSEC:
1268 if ((ji1->data.token->image != ji2->data.token->image) ||
1269 (ji1->data.token->token != ji2->data.token->token) ||
1270 (ji1->data.token->has_context != ji2->data.token->has_context) ||
1271 (ji1->data.token->context.class_inst != ji2->data.token->context.class_inst) ||
1272 (ji1->data.token->context.method_inst != ji2->data.token->context.method_inst))
1275 case MONO_PATCH_INFO_INTERNAL_METHOD:
1276 return g_str_equal (ji1->data.name, ji2->data.name);
1277 case MONO_PATCH_INFO_RGCTX_FETCH: {
1278 MonoJumpInfoRgctxEntry *e1 = ji1->data.rgctx_entry;
1279 MonoJumpInfoRgctxEntry *e2 = ji2->data.rgctx_entry;
1281 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);
1283 case MONO_PATCH_INFO_GSHAREDVT_CALL: {
1284 MonoJumpInfoGSharedVtCall *c1 = ji1->data.gsharedvt;
1285 MonoJumpInfoGSharedVtCall *c2 = ji2->data.gsharedvt;
1287 return c1->sig == c2->sig && c1->method == c2->method;
1289 case MONO_PATCH_INFO_GSHAREDVT_METHOD:
1290 return ji1->data.gsharedvt_method->method == ji2->data.gsharedvt_method->method;
1291 case MONO_PATCH_INFO_DELEGATE_TRAMPOLINE:
1292 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->virtual == ji2->data.del_tramp->virtual;
1293 case MONO_PATCH_INFO_CASTCLASS_CACHE:
1294 return ji1->data.index == ji2->data.index;
1295 case MONO_PATCH_INFO_VIRT_METHOD:
1296 return ji1->data.virt_method->klass == ji2->data.virt_method->klass && ji1->data.virt_method->method == ji2->data.virt_method->method;
1297 case MONO_PATCH_INFO_JIT_ICALL_ADDR:
1298 if (ji1->data.target == ji2->data.target)
1300 return strcmp (ji1->data.target, ji2->data.target) == 0 ? 1 : 0;
1302 if (ji1->data.target != ji2->data.target)
1311 mono_resolve_patch_target (MonoMethod *method, MonoDomain *domain, guint8 *code, MonoJumpInfo *patch_info, gboolean run_cctors)
1313 unsigned char *ip = patch_info->ip.i + code;
1314 gconstpointer target = NULL;
1316 switch (patch_info->type) {
1317 case MONO_PATCH_INFO_BB:
1319 * FIXME: This could be hit for methods without a prolog. Should use -1
1320 * but too much code depends on a 0 initial value.
1322 //g_assert (patch_info->data.bb->native_offset);
1323 target = patch_info->data.bb->native_offset + code;
1325 case MONO_PATCH_INFO_ABS:
1326 target = patch_info->data.target;
1328 case MONO_PATCH_INFO_LABEL:
1329 target = patch_info->data.inst->inst_c0 + code;
1331 case MONO_PATCH_INFO_IP:
1332 #if defined(__native_client__) && defined(__native_client_codegen__)
1333 /* Need to transform to the destination address, it's */
1334 /* emitted as an immediate in the code. */
1335 target = nacl_inverse_modify_patch_target(ip);
1340 case MONO_PATCH_INFO_METHOD_REL:
1341 target = code + patch_info->data.offset;
1343 case MONO_PATCH_INFO_INTERNAL_METHOD: {
1344 MonoJitICallInfo *mi = mono_find_jit_icall_by_name (patch_info->data.name);
1346 g_warning ("unknown MONO_PATCH_INFO_INTERNAL_METHOD %s", patch_info->data.name);
1347 g_assert_not_reached ();
1349 target = mono_icall_get_wrapper (mi);
1352 case MONO_PATCH_INFO_JIT_ICALL_ADDR: {
1353 MonoJitICallInfo *mi = mono_find_jit_icall_by_name (patch_info->data.name);
1355 g_warning ("unknown MONO_PATCH_INFO_JIT_ICALL_ADDR %s", patch_info->data.name);
1356 g_assert_not_reached ();
1361 case MONO_PATCH_INFO_METHOD_JUMP:
1362 target = mono_create_jump_trampoline (domain, patch_info->data.method, FALSE);
1363 #if defined(__native_client__) && defined(__native_client_codegen__)
1364 # if defined(TARGET_AMD64)
1365 /* This target is an absolute address, not relative to the */
1366 /* current code being emitted on AMD64. */
1367 target = nacl_inverse_modify_patch_target(target);
1371 case MONO_PATCH_INFO_METHOD:
1372 #if defined(__native_client_codegen__) && defined(USE_JUMP_TABLES)
1374 * If we use jumptables, for recursive calls we cannot
1375 * avoid trampoline, as we not yet know where we will
1378 target = mono_create_jit_trampoline_in_domain (domain, patch_info->data.method);
1380 if (patch_info->data.method == method) {
1383 /* get the trampoline to the method from the domain */
1384 target = mono_create_jit_trampoline_in_domain (domain, patch_info->data.method);
1388 case MONO_PATCH_INFO_METHOD_CODE_SLOT: {
1391 mono_domain_lock (domain);
1392 if (!domain_jit_info (domain)->method_code_hash)
1393 domain_jit_info (domain)->method_code_hash = g_hash_table_new (NULL, NULL);
1394 code_slot = g_hash_table_lookup (domain_jit_info (domain)->method_code_hash, patch_info->data.method);
1396 code_slot = mono_domain_alloc0 (domain, sizeof (gpointer));
1397 g_hash_table_insert (domain_jit_info (domain)->method_code_hash, patch_info->data.method, code_slot);
1399 mono_domain_unlock (domain);
1403 case MONO_PATCH_INFO_GC_SAFE_POINT_FLAG:
1404 #if defined(__native_client_codegen__)
1405 target = (gpointer)&__nacl_thread_suspension_needed;
1406 #elif defined (USE_COOP_GC)
1407 target = (gpointer)&mono_polling_required;
1409 g_error ("Unsuported patch target");
1412 case MONO_PATCH_INFO_SWITCH: {
1413 gpointer *jump_table;
1415 #if defined(__native_client__) && defined(__native_client_codegen__)
1416 /* This memory will leak, but we don't care if we're */
1417 /* not deleting JIT'd methods anyway */
1418 jump_table = g_malloc0 (sizeof(gpointer) * patch_info->data.table->table_size);
1420 if (method && method->dynamic) {
1421 jump_table = mono_code_manager_reserve (mono_dynamic_code_hash_lookup (domain, method)->code_mp, sizeof (gpointer) * patch_info->data.table->table_size);
1423 if (mono_aot_only) {
1424 jump_table = mono_domain_alloc (domain, sizeof (gpointer) * patch_info->data.table->table_size);
1426 jump_table = mono_domain_code_reserve (domain, sizeof (gpointer) * patch_info->data.table->table_size);
1431 for (i = 0; i < patch_info->data.table->table_size; i++) {
1432 #if defined(__native_client__) && defined(__native_client_codegen__)
1433 /* 'code' is relative to the current code blob, we */
1434 /* need to do this transform on it to make the */
1435 /* pointers in this table absolute */
1436 jump_table [i] = nacl_inverse_modify_patch_target (code) + GPOINTER_TO_INT (patch_info->data.table->table [i]);
1438 jump_table [i] = code + GPOINTER_TO_INT (patch_info->data.table->table [i]);
1442 #if defined(__native_client__) && defined(__native_client_codegen__)
1443 /* jump_table is in the data section, we need to transform */
1444 /* it here so when it gets modified in amd64_patch it will */
1445 /* then point back to the absolute data address */
1446 target = nacl_inverse_modify_patch_target (jump_table);
1448 target = jump_table;
1452 case MONO_PATCH_INFO_METHODCONST:
1453 case MONO_PATCH_INFO_CLASS:
1454 case MONO_PATCH_INFO_IMAGE:
1455 case MONO_PATCH_INFO_FIELD:
1456 case MONO_PATCH_INFO_SIGNATURE:
1457 target = patch_info->data.target;
1459 case MONO_PATCH_INFO_IID:
1460 mono_class_init (patch_info->data.klass);
1461 target = GINT_TO_POINTER ((int)patch_info->data.klass->interface_id);
1463 case MONO_PATCH_INFO_ADJUSTED_IID:
1464 mono_class_init (patch_info->data.klass);
1465 target = GINT_TO_POINTER ((int)(-((patch_info->data.klass->interface_id + 1) * SIZEOF_VOID_P)));
1467 case MONO_PATCH_INFO_VTABLE:
1468 target = mono_class_vtable (domain, patch_info->data.klass);
1471 case MONO_PATCH_INFO_DELEGATE_TRAMPOLINE: {
1472 MonoDelegateClassMethodPair *del_tramp = patch_info->data.del_tramp;
1474 if (del_tramp->virtual)
1475 target = mono_create_delegate_virtual_trampoline (domain, del_tramp->klass, del_tramp->method);
1477 target = mono_create_delegate_trampoline_info (domain, del_tramp->klass, del_tramp->method);
1480 case MONO_PATCH_INFO_SFLDA: {
1481 MonoVTable *vtable = mono_class_vtable (domain, patch_info->data.field->parent);
1483 if (mono_class_field_is_special_static (patch_info->data.field)) {
1484 gpointer addr = NULL;
1486 mono_domain_lock (domain);
1487 if (domain->special_static_fields)
1488 addr = g_hash_table_lookup (domain->special_static_fields, patch_info->data.field);
1489 mono_domain_unlock (domain);
1495 if (!vtable->initialized && !(vtable->klass->flags & TYPE_ATTRIBUTE_BEFORE_FIELD_INIT) && (method && mono_class_needs_cctor_run (vtable->klass, method)))
1496 /* Done by the generated code */
1500 mono_runtime_class_init (vtable);
1502 target = (char*)mono_vtable_get_static_field_data (vtable) + patch_info->data.field->offset;
1505 case MONO_PATCH_INFO_RVA: {
1506 guint32 field_index = mono_metadata_token_index (patch_info->data.token->token);
1509 mono_metadata_field_info (patch_info->data.token->image, field_index - 1, NULL, &rva, NULL);
1510 target = mono_image_rva_map (patch_info->data.token->image, rva);
1513 case MONO_PATCH_INFO_R4:
1514 case MONO_PATCH_INFO_R8:
1515 target = patch_info->data.target;
1517 case MONO_PATCH_INFO_EXC_NAME:
1518 target = patch_info->data.name;
1520 case MONO_PATCH_INFO_LDSTR:
1522 mono_ldstr (domain, patch_info->data.token->image,
1523 mono_metadata_token_index (patch_info->data.token->token));
1525 case MONO_PATCH_INFO_TYPE_FROM_HANDLE: {
1527 MonoClass *handle_class;
1530 handle = mono_ldtoken_checked (patch_info->data.token->image,
1531 patch_info->data.token->token, &handle_class, patch_info->data.token->has_context ? &patch_info->data.token->context : NULL, &error);
1532 if (!mono_error_ok (&error))
1533 g_error ("Could not patch ldtoken due to %s", mono_error_get_message (&error));
1534 mono_class_init (handle_class);
1535 mono_class_init (mono_class_from_mono_type (handle));
1538 mono_type_get_object (domain, handle);
1541 case MONO_PATCH_INFO_LDTOKEN: {
1543 MonoClass *handle_class;
1546 handle = mono_ldtoken_checked (patch_info->data.token->image,
1547 patch_info->data.token->token, &handle_class, patch_info->data.token->has_context ? &patch_info->data.token->context : NULL, &error);
1548 if (!mono_error_ok (&error))
1549 g_error ("Could not patch ldtoken due to %s", mono_error_get_message (&error));
1550 mono_class_init (handle_class);
1555 case MONO_PATCH_INFO_DECLSEC:
1556 target = (mono_metadata_blob_heap (patch_info->data.token->image, patch_info->data.token->token) + 2);
1558 case MONO_PATCH_INFO_ICALL_ADDR:
1559 /* run_cctors == 0 -> AOT */
1560 if (patch_info->data.method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL) {
1561 const char *exc_class;
1562 const char *exc_arg;
1565 target = mono_lookup_pinvoke_call (patch_info->data.method, &exc_class, &exc_arg);
1568 mono_raise_exception (mono_exception_from_name_msg (mono_defaults.corlib, "System", exc_class, exc_arg));
1569 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));
1575 target = mono_lookup_internal_call (patch_info->data.method);
1577 if (!target && run_cctors)
1578 g_error ("Unregistered icall '%s'\n", mono_method_full_name (patch_info->data.method, TRUE));
1581 case MONO_PATCH_INFO_INTERRUPTION_REQUEST_FLAG:
1582 target = mono_thread_interruption_request_flag ();
1584 case MONO_PATCH_INFO_METHOD_RGCTX: {
1585 MonoVTable *vtable = mono_class_vtable (domain, patch_info->data.method->klass);
1588 target = mono_method_lookup_rgctx (vtable, mini_method_get_context (patch_info->data.method)->method_inst);
1591 case MONO_PATCH_INFO_BB_OVF:
1592 case MONO_PATCH_INFO_EXC_OVF:
1593 case MONO_PATCH_INFO_GOT_OFFSET:
1594 case MONO_PATCH_INFO_NONE:
1596 case MONO_PATCH_INFO_RGCTX_FETCH: {
1597 int slot = mini_get_rgctx_entry_slot (patch_info->data.rgctx_entry);
1599 target = mono_create_rgctx_lazy_fetch_trampoline (slot);
1602 #ifdef MONO_ARCH_SOFT_DEBUG_SUPPORTED
1603 case MONO_PATCH_INFO_SEQ_POINT_INFO:
1605 /* AOT, not needed */
1608 target = mono_arch_get_seq_point_info (domain, code);
1611 case MONO_PATCH_INFO_LLVM_IMT_TRAMPOLINE:
1612 #ifdef MONO_ARCH_LLVM_SUPPORTED
1613 g_assert (mono_use_llvm);
1614 target = mono_create_llvm_imt_trampoline (domain, patch_info->data.imt_tramp->method, patch_info->data.imt_tramp->vt_offset);
1616 g_assert_not_reached ();
1619 case MONO_PATCH_INFO_GC_CARD_TABLE_ADDR: {
1620 int card_table_shift_bits;
1621 gpointer card_table_mask;
1623 target = mono_gc_get_card_table (&card_table_shift_bits, &card_table_mask);
1626 case MONO_PATCH_INFO_GC_NURSERY_START: {
1630 target = mono_gc_get_nursery (&shift_bits, &size);
1633 case MONO_PATCH_INFO_CASTCLASS_CACHE: {
1634 target = mono_domain_alloc0 (domain, sizeof (gpointer));
1637 case MONO_PATCH_INFO_JIT_TLS_ID: {
1638 target = (gpointer) (size_t) mono_jit_tls_id;
1641 case MONO_PATCH_INFO_TLS_OFFSET: {
1644 offset = mini_get_tls_offset (GPOINTER_TO_INT (patch_info->data.target));
1645 #ifdef MONO_ARCH_HAVE_TRANSLATE_TLS_OFFSET
1646 offset = mono_arch_translate_tls_offset (offset);
1648 target = GINT_TO_POINTER (offset);
1651 case MONO_PATCH_INFO_OBJC_SELECTOR_REF: {
1655 case MONO_PATCH_INFO_LDSTR_LIT: {
1659 len = strlen (patch_info->data.target);
1660 s = mono_domain_alloc0 (domain, len + 1);
1661 memcpy (s, patch_info->data.target, len);
1667 g_assert_not_reached ();
1670 return (gpointer)target;
1674 mini_init_gsctx (MonoDomain *domain, MonoMemPool *mp, MonoGenericContext *context, MonoGenericSharingContext *gsctx)
1676 MonoGenericInst *inst;
1679 memset (gsctx, 0, sizeof (MonoGenericSharingContext));
1681 if (context && context->class_inst) {
1682 inst = context->class_inst;
1683 for (i = 0; i < inst->type_argc; ++i) {
1684 MonoType *type = inst->type_argv [i];
1686 if (mini_is_gsharedvt_gparam (type))
1687 gsctx->is_gsharedvt = TRUE;
1690 if (context && context->method_inst) {
1691 inst = context->method_inst;
1693 for (i = 0; i < inst->type_argc; ++i) {
1694 MonoType *type = inst->type_argv [i];
1696 if (mini_is_gsharedvt_gparam (type))
1697 gsctx->is_gsharedvt = TRUE;
1703 * LOCKING: Acquires the jit code hash lock.
1706 mini_lookup_method (MonoDomain *domain, MonoMethod *method, MonoMethod *shared)
1709 static gboolean inited = FALSE;
1710 static int lookups = 0;
1711 static int failed_lookups = 0;
1713 mono_domain_jit_code_hash_lock (domain);
1714 ji = mono_internal_hash_table_lookup (&domain->jit_code_hash, method);
1715 if (!ji && shared) {
1716 /* Try generic sharing */
1717 ji = mono_internal_hash_table_lookup (&domain->jit_code_hash, shared);
1718 if (ji && !ji->has_generic_jit_info)
1721 mono_counters_register ("Shared generic lookups", MONO_COUNTER_INT|MONO_COUNTER_GENERICS, &lookups);
1722 mono_counters_register ("Failed shared generic lookups", MONO_COUNTER_INT|MONO_COUNTER_GENERICS, &failed_lookups);
1730 mono_domain_jit_code_hash_unlock (domain);
1736 lookup_method (MonoDomain *domain, MonoMethod *method)
1741 ji = mini_lookup_method (domain, method, NULL);
1744 if (!mono_method_is_generic_sharable (method, FALSE))
1746 shared = mini_get_shared_method (method);
1747 ji = mini_lookup_method (domain, method, shared);
1754 mono_get_jit_info_from_method (MonoDomain *domain, MonoMethod *method)
1756 return lookup_method (domain, method);
1760 static FILE* perf_map_file;
1763 mono_enable_jit_map (void)
1765 if (!perf_map_file) {
1767 g_snprintf (name, sizeof (name), "/tmp/perf-%d.map", getpid ());
1769 perf_map_file = fopen (name, "w");
1774 mono_emit_jit_tramp (void *start, int size, const char *desc)
1777 fprintf (perf_map_file, "%llx %x %s\n", (long long unsigned int)(gsize)start, size, desc);
1781 mono_emit_jit_map (MonoJitInfo *jinfo)
1783 if (perf_map_file) {
1784 char *name = mono_method_full_name (jinfo_get_method (jinfo), TRUE);
1785 mono_emit_jit_tramp (jinfo->code_start, jinfo->code_size, name);
1791 mono_jit_map_is_enabled (void)
1793 return perf_map_file != NULL;
1799 mono_jit_compile_method_with_opt (MonoMethod *method, guint32 opt, MonoException **ex)
1801 MonoDomain *target_domain, *domain = mono_domain_get ();
1803 gpointer code = NULL, p;
1805 MonoJitICallInfo *callinfo = NULL;
1806 WrapperInfo *winfo = NULL;
1809 * ICALL wrappers are handled specially, since there is only one copy of them
1810 * shared by all appdomains.
1812 if (method->wrapper_type == MONO_WRAPPER_MANAGED_TO_NATIVE)
1813 winfo = mono_marshal_get_wrapper_info (method);
1814 if (winfo && winfo->subtype == WRAPPER_SUBTYPE_ICALL_WRAPPER) {
1815 callinfo = mono_find_jit_icall_by_addr (winfo->d.icall.func);
1816 g_assert (callinfo);
1818 /* Must be domain neutral since there is only one copy */
1819 opt |= MONO_OPT_SHARED;
1822 if (method->dynamic)
1823 opt &= ~MONO_OPT_SHARED;
1825 /* These methods can become invalid when a domain is unloaded */
1826 if (method->klass->image != mono_get_corlib () || method->is_inflated)
1827 opt &= ~MONO_OPT_SHARED;
1829 if (opt & MONO_OPT_SHARED)
1830 target_domain = mono_get_root_domain ();
1832 target_domain = domain;
1834 if (method->wrapper_type == MONO_WRAPPER_UNKNOWN) {
1835 WrapperInfo *info = mono_marshal_get_wrapper_info (method);
1838 if (info->subtype == WRAPPER_SUBTYPE_SYNCHRONIZED_INNER) {
1839 MonoGenericContext *ctx = NULL;
1840 if (method->is_inflated)
1841 ctx = mono_method_get_context (method);
1842 method = info->d.synchronized_inner.method;
1845 method = mono_class_inflate_generic_method_checked (method, ctx, &error);
1846 g_assert (mono_error_ok (&error)); /* FIXME don't swallow the error */
1851 info = lookup_method (target_domain, method);
1853 /* We can't use a domain specific method in another domain */
1854 if (! ((domain != target_domain) && !info->domain_neutral)) {
1856 MonoException *tmpEx;
1858 mono_jit_stats.methods_lookups++;
1859 vtable = mono_class_vtable (domain, method->klass);
1861 tmpEx = mono_runtime_class_init_full (vtable, ex == NULL);
1866 return mono_create_ftnptr (target_domain, info->code_start);
1870 #ifdef MONO_USE_AOT_COMPILER
1871 if (opt & MONO_OPT_AOT) {
1872 MonoDomain *domain = mono_domain_get ();
1874 mono_class_init (method->klass);
1876 if ((code = mono_aot_get_method (domain, method))) {
1879 vtable = mono_class_vtable (domain, method->klass);
1881 mono_runtime_class_init (vtable);
1887 code = mono_jit_compile_method_inner (method, target_domain, opt, ex);
1891 if (method->wrapper_type == MONO_WRAPPER_WRITE_BARRIER || method->wrapper_type == MONO_WRAPPER_ALLOC) {
1895 * SGEN requires the JIT info for these methods to be registered, see is_ip_in_managed_allocator ().
1897 ji = mini_jit_info_table_find (mono_domain_get (), code, &d);
1901 p = mono_create_ftnptr (target_domain, code);
1904 /*mono_register_jit_icall_wrapper takes the loader lock, so we take it on the outside. */
1905 mono_loader_lock ();
1907 if (!callinfo->wrapper) {
1908 callinfo->wrapper = p;
1909 mono_register_jit_icall_wrapper (callinfo, p);
1912 mono_loader_unlock ();
1919 mono_jit_compile_method (MonoMethod *method)
1921 MonoException *ex = NULL;
1924 code = mono_jit_compile_method_with_opt (method, mono_get_optimizations_for_method (method, default_opt), &ex);
1927 mono_raise_exception (ex);
1933 #ifdef MONO_ARCH_HAVE_INVALIDATE_METHOD
1935 invalidated_delegate_trampoline (char *desc)
1937 g_error ("Unmanaged code called delegate of type %s which was already garbage collected.\n"
1938 "See http://www.mono-project.com/Diagnostic:Delegate for an explanation and ways to fix this.",
1944 * mono_jit_free_method:
1946 * Free all memory allocated by the JIT for METHOD.
1949 mono_jit_free_method (MonoDomain *domain, MonoMethod *method)
1951 MonoJitDynamicMethodInfo *ji;
1952 gboolean destroy = TRUE;
1953 GHashTableIter iter;
1954 MonoJumpList *jlist;
1956 g_assert (method->dynamic);
1958 mono_domain_lock (domain);
1959 ji = mono_dynamic_code_hash_lookup (domain, method);
1960 mono_domain_unlock (domain);
1965 mono_debug_remove_method (method, domain);
1967 mono_domain_lock (domain);
1968 g_hash_table_remove (domain_jit_info (domain)->dynamic_code_hash, method);
1969 mono_domain_jit_code_hash_lock (domain);
1970 mono_internal_hash_table_remove (&domain->jit_code_hash, method);
1971 mono_domain_jit_code_hash_unlock (domain);
1972 g_hash_table_remove (domain_jit_info (domain)->jump_trampoline_hash, method);
1974 /* requires the domain lock - took above */
1975 mono_conc_hashtable_remove (domain_jit_info (domain)->runtime_invoke_hash, method);
1977 /* Remove jump targets in this method */
1978 g_hash_table_iter_init (&iter, domain_jit_info (domain)->jump_target_hash);
1979 while (g_hash_table_iter_next (&iter, NULL, (void**)&jlist)) {
1980 GSList *tmp, *remove;
1983 for (tmp = jlist->list; tmp; tmp = tmp->next) {
1984 guint8 *ip = tmp->data;
1986 if (ip >= (guint8*)ji->ji->code_start && ip < (guint8*)ji->ji->code_start + ji->ji->code_size)
1987 remove = g_slist_prepend (remove, tmp);
1989 for (tmp = remove; tmp; tmp = tmp->next) {
1990 jlist->list = g_slist_delete_link (jlist->list, tmp->data);
1992 g_slist_free (remove);
1995 mono_domain_unlock (domain);
1997 #ifdef MONO_ARCH_HAVE_INVALIDATE_METHOD
1998 if (debug_options.keep_delegates && method->wrapper_type == MONO_WRAPPER_NATIVE_TO_MANAGED) {
2000 * Instead of freeing the code, change it to call an error routine
2001 * so people can fix their code.
2003 char *type = mono_type_full_name (&method->klass->byval_arg);
2004 char *type_and_method = g_strdup_printf ("%s.%s", type, method->name);
2007 mono_arch_invalidate_method (ji->ji, invalidated_delegate_trampoline, type_and_method);
2013 * This needs to be done before freeing code_mp, since the code address is the
2014 * key in the table, so if we free the code_mp first, another thread can grab the
2015 * same code address and replace our entry in the table.
2017 mono_jit_info_table_remove (domain, ji->ji);
2020 mono_code_manager_destroy (ji->code_mp);
2025 mono_jit_find_compiled_method_with_jit_info (MonoDomain *domain, MonoMethod *method, MonoJitInfo **ji)
2027 MonoDomain *target_domain;
2030 if (default_opt & MONO_OPT_SHARED)
2031 target_domain = mono_get_root_domain ();
2033 target_domain = domain;
2035 info = lookup_method (target_domain, method);
2037 /* We can't use a domain specific method in another domain */
2038 if (! ((domain != target_domain) && !info->domain_neutral)) {
2039 mono_jit_stats.methods_lookups++;
2042 return info->code_start;
2051 gboolean mono_do_single_method_regression = FALSE;
2052 guint32 mono_single_method_regression_opt = 0;
2053 MonoMethod *mono_current_single_method;
2054 GSList *mono_single_method_list;
2055 GHashTable *mono_single_method_hash;
2058 mono_get_optimizations_for_method (MonoMethod *method, guint32 default_opt)
2062 if (!mono_do_single_method_regression)
2064 if (!mono_current_single_method) {
2065 if (!mono_single_method_hash)
2066 mono_single_method_hash = g_hash_table_new (g_direct_hash, g_direct_equal);
2067 if (!g_hash_table_lookup (mono_single_method_hash, method)) {
2068 g_hash_table_insert (mono_single_method_hash, method, method);
2069 mono_single_method_list = g_slist_prepend (mono_single_method_list, method);
2073 if (method == mono_current_single_method)
2074 return mono_single_method_regression_opt;
2079 mono_jit_find_compiled_method (MonoDomain *domain, MonoMethod *method)
2081 return mono_jit_find_compiled_method_with_jit_info (domain, method, NULL);
2086 gpointer compiled_method;
2087 gpointer runtime_invoke;
2089 MonoDynCallInfo *dyn_call_info;
2090 MonoClass *ret_box_class;
2091 } RuntimeInvokeInfo;
2094 * mono_jit_runtime_invoke:
2095 * @method: the method to invoke
2096 * @obj: this pointer
2097 * @params: array of parameter values.
2098 * @exc: used to catch exceptions objects
2101 mono_jit_runtime_invoke (MonoMethod *method, void *obj, void **params, MonoObject **exc)
2103 MonoMethod *invoke, *callee;
2104 MonoObject *(*runtime_invoke) (MonoObject *this, void **params, MonoObject **exc, void* compiled_method);
2105 MonoDomain *domain = mono_domain_get ();
2106 MonoJitDomainInfo *domain_info;
2107 RuntimeInvokeInfo *info, *info2;
2109 if (obj == NULL && !(method->flags & METHOD_ATTRIBUTE_STATIC) && !method->string_ctor && (method->wrapper_type == 0)) {
2110 g_warning ("Ignoring invocation of an instance method on a NULL instance.\n");
2114 domain_info = domain_jit_info (domain);
2116 info = mono_conc_hashtable_lookup (domain_info->runtime_invoke_hash, method);
2119 if (mono_security_core_clr_enabled ()) {
2121 * This might be redundant since mono_class_vtable () already does this,
2122 * but keep it just in case for moonlight.
2124 mono_class_setup_vtable (method->klass);
2125 if (method->klass->exception_type != MONO_EXCEPTION_NONE) {
2127 *exc = (MonoObject*)mono_class_get_exception_for_failure (method->klass);
2129 mono_raise_exception (mono_class_get_exception_for_failure (method->klass));
2134 info = g_new0 (RuntimeInvokeInfo, 1);
2136 invoke = mono_marshal_get_runtime_invoke (method, FALSE);
2137 info->vtable = mono_class_vtable_full (domain, method->klass, TRUE);
2138 g_assert (info->vtable);
2141 if (method->klass->rank && (method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) &&
2142 (method->iflags & METHOD_IMPL_ATTRIBUTE_NATIVE)) {
2144 * Array Get/Set/Address methods. The JIT implements them using inline code
2145 * inside the runtime invoke wrappers, so no need to compile them.
2147 if (mono_aot_only) {
2149 * Call a wrapper, since the runtime invoke wrapper was not generated.
2151 MonoMethod *wrapper;
2153 wrapper = mono_marshal_get_array_accessor_wrapper (method);
2154 invoke = mono_marshal_get_runtime_invoke (wrapper, FALSE);
2162 MonoException *jit_ex = NULL;
2164 info->compiled_method = mono_jit_compile_method_with_opt (callee, mono_get_optimizations_for_method (callee, default_opt), &jit_ex);
2165 if (!info->compiled_method) {
2169 *exc = (MonoObject*)jit_ex;
2172 mono_raise_exception (jit_ex);
2173 /* coverity[unreachable] */
2177 info->compiled_method = mini_add_method_trampoline (callee, info->compiled_method, mono_method_needs_static_rgctx_invoke (callee, TRUE), FALSE);
2179 info->compiled_method = NULL;
2183 * We want to avoid AOTing 1000s of runtime-invoke wrappers when running
2184 * in full-aot mode, so we use a slower, but more generic wrapper if
2185 * possible, built on top of the OP_DYN_CALL opcode provided by the JIT.
2187 #ifdef MONO_ARCH_DYN_CALL_SUPPORTED
2188 if (mono_aot_only || debug_options.dyn_runtime_invoke) {
2190 MonoMethodSignature *sig = mono_method_signature (method);
2191 gboolean supported = TRUE;
2194 if (method->string_ctor)
2195 sig = mono_marshal_get_string_ctor_signature (method);
2197 for (i = 0; i < sig->param_count; ++i) {
2198 MonoType *t = sig->params [i];
2200 if (t->byref && t->type == MONO_TYPE_GENERICINST && mono_class_is_nullable (mono_class_from_mono_type (t)))
2204 if (mono_class_is_contextbound (method->klass) || !info->compiled_method)
2208 info->dyn_call_info = mono_arch_dyn_call_prepare (sig);
2210 ret_type = sig->ret;
2211 if (info->dyn_call_info) {
2212 switch (ret_type->type) {
2213 case MONO_TYPE_VOID:
2225 case MONO_TYPE_BOOLEAN:
2226 case MONO_TYPE_CHAR:
2229 info->ret_box_class = mono_class_from_mono_type (ret_type);
2232 info->ret_box_class = mono_defaults.int_class;
2234 case MONO_TYPE_STRING:
2235 case MONO_TYPE_CLASS:
2236 case MONO_TYPE_ARRAY:
2237 case MONO_TYPE_SZARRAY:
2238 case MONO_TYPE_OBJECT:
2240 case MONO_TYPE_GENERICINST:
2241 if (!MONO_TYPE_IS_REFERENCE (ret_type))
2242 info->ret_box_class = mono_class_from_mono_type (ret_type);
2244 case MONO_TYPE_VALUETYPE:
2245 info->ret_box_class = mono_class_from_mono_type (ret_type);
2248 g_assert_not_reached ();
2255 if (!info->dyn_call_info)
2256 info->runtime_invoke = mono_jit_compile_method (invoke);
2258 mono_domain_lock (domain);
2259 info2 = mono_conc_hashtable_insert (domain_info->runtime_invoke_hash, method, info);
2260 mono_domain_unlock (domain);
2267 runtime_invoke = info->runtime_invoke;
2270 * We need this here because mono_marshal_get_runtime_invoke can place
2271 * the helper method in System.Object and not the target class.
2274 *exc = (MonoObject*)mono_runtime_class_init_full (info->vtable, FALSE);
2278 mono_runtime_class_init (info->vtable);
2281 /* The wrappers expect this to be initialized to NULL */
2285 #ifdef MONO_ARCH_DYN_CALL_SUPPORTED
2286 if (info->dyn_call_info) {
2287 MonoMethodSignature *sig = mono_method_signature (method);
2289 static RuntimeInvokeDynamicFunction dyn_runtime_invoke;
2292 guint8 retval [256];
2294 if (!dyn_runtime_invoke) {
2295 invoke = mono_marshal_get_runtime_invoke_dynamic ();
2296 dyn_runtime_invoke = mono_jit_compile_method (invoke);
2299 /* Convert the arguments to the format expected by start_dyn_call () */
2300 args = g_alloca ((sig->param_count + sig->hasthis) * sizeof (gpointer));
2303 args [pindex ++] = &obj;
2304 for (i = 0; i < sig->param_count; ++i) {
2305 MonoType *t = sig->params [i];
2308 args [pindex ++] = ¶ms [i];
2309 } else if (MONO_TYPE_IS_REFERENCE (t) || t->type == MONO_TYPE_PTR) {
2310 args [pindex ++] = ¶ms [i];
2312 args [pindex ++] = params [i];
2316 //printf ("M: %s\n", mono_method_full_name (method, TRUE));
2318 mono_arch_start_dyn_call (info->dyn_call_info, (gpointer**)args, retval, buf, sizeof (buf));
2320 dyn_runtime_invoke (buf, exc, info->compiled_method);
2322 mono_arch_finish_dyn_call (info->dyn_call_info, buf);
2324 if (info->ret_box_class)
2325 return mono_value_box (domain, info->ret_box_class, retval);
2327 return *(MonoObject**)retval;
2331 return runtime_invoke (obj, params, exc, info->compiled_method);
2334 MONO_SIG_HANDLER_FUNC (, mono_sigfpe_signal_handler)
2336 MonoException *exc = NULL;
2338 MONO_SIG_HANDLER_INFO_TYPE *info = MONO_SIG_HANDLER_GET_INFO ();
2339 MONO_SIG_HANDLER_GET_CONTEXT;
2341 ji = mono_jit_info_table_find_internal (mono_domain_get (), mono_arch_ip_from_context (ctx), TRUE, TRUE);
2343 #if defined(MONO_ARCH_HAVE_IS_INT_OVERFLOW)
2344 if (mono_arch_is_int_overflow (ctx, info))
2346 * The spec says this throws ArithmeticException, but MS throws the derived
2347 * OverflowException.
2349 exc = mono_get_exception_overflow ();
2351 exc = mono_get_exception_divide_by_zero ();
2353 exc = mono_get_exception_divide_by_zero ();
2357 if (!mono_do_crash_chaining && mono_chain_signal (MONO_SIG_HANDLER_PARAMS))
2360 mono_handle_native_sigsegv (SIGSEGV, ctx, info);
2361 if (mono_do_crash_chaining) {
2362 mono_chain_signal (MONO_SIG_HANDLER_PARAMS);
2367 mono_arch_handle_exception (ctx, exc);
2370 MONO_SIG_HANDLER_FUNC (, mono_sigill_signal_handler)
2373 MONO_SIG_HANDLER_GET_CONTEXT;
2375 exc = mono_get_exception_execution_engine ("SIGILL");
2377 mono_arch_handle_exception (ctx, exc);
2380 #if defined(MONO_ARCH_USE_SIGACTION) || defined(HOST_WIN32)
2381 #define HAVE_SIG_INFO
2384 MONO_SIG_HANDLER_FUNC (, mono_sigsegv_signal_handler)
2387 MonoJitTlsData *jit_tls = mono_native_tls_get_value (mono_jit_tls_id);
2388 gpointer fault_addr = NULL;
2389 #ifdef HAVE_SIG_INFO
2390 MONO_SIG_HANDLER_INFO_TYPE *info = MONO_SIG_HANDLER_GET_INFO ();
2394 MONO_SIG_HANDLER_GET_CONTEXT;
2396 #if defined(MONO_ARCH_SOFT_DEBUG_SUPPORTED) && defined(HAVE_SIG_INFO)
2397 if (mono_arch_is_single_step_event (info, ctx)) {
2398 mono_debugger_agent_single_step_event (ctx);
2400 } else if (mono_arch_is_breakpoint_event (info, ctx)) {
2401 mono_debugger_agent_breakpoint_hit (ctx);
2406 #if defined(HAVE_SIG_INFO)
2407 #if !defined(HOST_WIN32)
2408 fault_addr = info->si_addr;
2409 if (mono_aot_is_pagefault (info->si_addr)) {
2410 mono_aot_handle_pagefault (info->si_addr);
2415 /* The thread might no be registered with the runtime */
2416 if (!mono_domain_get () || !jit_tls) {
2417 if (!mono_do_crash_chaining && mono_chain_signal (MONO_SIG_HANDLER_PARAMS))
2419 mono_handle_native_sigsegv (SIGSEGV, ctx, info);
2420 if (mono_do_crash_chaining) {
2421 mono_chain_signal (MONO_SIG_HANDLER_PARAMS);
2427 ji = mono_jit_info_table_find_internal (mono_domain_get (), mono_arch_ip_from_context (ctx), TRUE, TRUE);
2429 #ifdef MONO_ARCH_SIGSEGV_ON_ALTSTACK
2430 if (mono_handle_soft_stack_ovf (jit_tls, ji, ctx, info, (guint8*)info->si_addr))
2433 #ifdef MONO_ARCH_HAVE_SIGCTX_TO_MONOCTX
2434 /* info->si_addr seems to be NULL on some kernels when handling stack overflows */
2435 fault_addr = info->si_addr;
2436 if (fault_addr == NULL) {
2439 mono_sigctx_to_monoctx (ctx, &mctx);
2441 fault_addr = MONO_CONTEXT_GET_SP (&mctx);
2445 if (jit_tls->stack_size &&
2446 ABS ((guint8*)fault_addr - ((guint8*)jit_tls->end_of_stack - jit_tls->stack_size)) < 8192 * sizeof (gpointer)) {
2448 * The hard-guard page has been hit: there is not much we can do anymore
2449 * Print a hopefully clear message and abort.
2451 mono_handle_hard_stack_ovf (jit_tls, ji, ctx, (guint8*)info->si_addr);
2452 g_assert_not_reached ();
2454 /* The original handler might not like that it is executed on an altstack... */
2455 if (!ji && mono_chain_signal (MONO_SIG_HANDLER_PARAMS))
2458 mono_arch_handle_altstack_exception (ctx, info, info->si_addr, FALSE);
2463 if (!mono_do_crash_chaining && mono_chain_signal (MONO_SIG_HANDLER_PARAMS))
2466 mono_handle_native_sigsegv (SIGSEGV, ctx, info);
2468 if (mono_do_crash_chaining) {
2469 mono_chain_signal (MONO_SIG_HANDLER_PARAMS);
2474 mono_arch_handle_exception (ctx, NULL);
2478 MONO_SIG_HANDLER_FUNC (, mono_sigint_signal_handler)
2481 MONO_SIG_HANDLER_GET_CONTEXT;
2483 exc = mono_get_exception_execution_engine ("Interrupted (SIGINT).");
2485 mono_arch_handle_exception (ctx, exc);
2488 #ifndef DISABLE_REMOTING
2489 /* mono_jit_create_remoting_trampoline:
2490 * @method: pointer to the method info
2492 * Creates a trampoline which calls the remoting functions. This
2493 * is used in the vtable of transparent proxies.
2495 * Returns: a pointer to the newly created code
2498 mono_jit_create_remoting_trampoline (MonoDomain *domain, MonoMethod *method, MonoRemotingTarget target)
2501 guint8 *addr = NULL;
2503 if ((method->flags & METHOD_ATTRIBUTE_VIRTUAL) && mono_method_signature (method)->generic_param_count) {
2504 return mono_create_specific_trampoline (method, MONO_TRAMPOLINE_GENERIC_VIRTUAL_REMOTING,
2508 if ((method->flags & METHOD_ATTRIBUTE_ABSTRACT) ||
2509 (mono_method_signature (method)->hasthis && (mono_class_is_marshalbyref (method->klass) || method->klass == mono_defaults.object_class))) {
2510 nm = mono_marshal_get_remoting_invoke_for_target (method, target);
2511 addr = mono_compile_method (nm);
2514 addr = mono_compile_method (method);
2516 return mono_get_addr_from_ftnptr (addr);
2520 static gpointer *vtable_trampolines;
2521 static int vtable_trampolines_size;
2524 mini_get_vtable_trampoline (int slot_index)
2526 int index = slot_index + MONO_IMT_SIZE;
2528 g_assert (slot_index >= - MONO_IMT_SIZE);
2529 if (!vtable_trampolines || slot_index + MONO_IMT_SIZE >= vtable_trampolines_size) {
2531 if (!vtable_trampolines || index >= vtable_trampolines_size) {
2535 new_size = vtable_trampolines_size ? vtable_trampolines_size * 2 : 128;
2536 while (new_size <= index)
2538 new_table = g_new0 (gpointer, new_size);
2540 if (vtable_trampolines)
2541 memcpy (new_table, vtable_trampolines, vtable_trampolines_size * sizeof (gpointer));
2542 g_free (vtable_trampolines);
2543 mono_memory_barrier ();
2544 vtable_trampolines = new_table;
2545 vtable_trampolines_size = new_size;
2550 if (!vtable_trampolines [index])
2551 vtable_trampolines [index] = mono_create_specific_trampoline (GUINT_TO_POINTER (slot_index), MONO_TRAMPOLINE_VCALL, mono_get_root_domain (), NULL);
2552 return vtable_trampolines [index];
2556 mono_get_delegate_virtual_invoke_impl (MonoMethodSignature *sig, MonoMethod *method)
2558 gboolean is_virtual_generic, is_interface, load_imt_reg;
2561 static guint8 **cache = NULL;
2562 static int cache_size = 0;
2567 if (MONO_TYPE_ISSTRUCT (sig->ret))
2570 is_virtual_generic = method->is_inflated && mono_method_get_declaring_generic_method (method)->is_generic;
2571 is_interface = method->klass->flags & TYPE_ATTRIBUTE_INTERFACE ? TRUE : FALSE;
2572 load_imt_reg = is_virtual_generic || is_interface;
2574 if (is_interface && !is_virtual_generic)
2575 offset = ((gint32)mono_method_get_imt_slot (method) - MONO_IMT_SIZE) * SIZEOF_VOID_P;
2577 offset = G_STRUCT_OFFSET (MonoVTable, vtable) + ((mono_method_get_vtable_index (method)) * (SIZEOF_VOID_P));
2579 idx = (offset / SIZEOF_VOID_P + MONO_IMT_SIZE) * 2 + (load_imt_reg ? 1 : 0);
2580 g_assert (idx >= 0);
2582 /* Resize the cache to idx + 1 */
2583 if (cache_size < idx + 1) {
2585 if (cache_size < idx + 1) {
2587 int new_cache_size = idx + 1;
2589 new_cache = g_new0 (guint8*, new_cache_size);
2591 memcpy (new_cache, cache, cache_size * sizeof (guint8*));
2594 mono_memory_barrier ();
2596 cache_size = new_cache_size;
2604 /* FIXME Support more cases */
2605 if (mono_aot_only) {
2606 char tramp_name [256];
2607 const char *imt = load_imt_reg ? "_imt" : "";
2608 int ind = (load_imt_reg ? (-offset) : offset) / SIZEOF_VOID_P;
2610 sprintf (tramp_name, "delegate_virtual_invoke%s_%d", imt, ind);
2611 cache [idx] = mono_aot_get_trampoline (tramp_name);
2612 g_assert (cache [idx]);
2614 cache [idx] = mono_arch_get_delegate_virtual_invoke_impl (sig, method, offset, load_imt_reg);
2620 mini_get_imt_trampoline (int slot_index)
2622 return mini_get_vtable_trampoline (slot_index - MONO_IMT_SIZE);
2626 mini_parse_debug_options (void)
2628 const char *options = g_getenv ("MONO_DEBUG");
2629 gchar **args, **ptr;
2634 args = g_strsplit (options, ",", -1);
2636 for (ptr = args; ptr && *ptr; ptr++) {
2637 const char *arg = *ptr;
2639 if (!strcmp (arg, "handle-sigint"))
2640 debug_options.handle_sigint = TRUE;
2641 else if (!strcmp (arg, "keep-delegates"))
2642 debug_options.keep_delegates = TRUE;
2643 else if (!strcmp (arg, "reverse-pinvoke-exceptions"))
2644 debug_options.reverse_pinvoke_exceptions = TRUE;
2645 else if (!strcmp (arg, "collect-pagefault-stats"))
2646 debug_options.collect_pagefault_stats = TRUE;
2647 else if (!strcmp (arg, "break-on-unverified"))
2648 debug_options.break_on_unverified = TRUE;
2649 else if (!strcmp (arg, "no-gdb-backtrace"))
2650 debug_options.no_gdb_backtrace = TRUE;
2651 else if (!strcmp (arg, "suspend-on-sigsegv"))
2652 debug_options.suspend_on_sigsegv = TRUE;
2653 else if (!strcmp (arg, "suspend-on-exception"))
2654 debug_options.suspend_on_exception = TRUE;
2655 else if (!strcmp (arg, "suspend-on-unhandled"))
2656 debug_options.suspend_on_unhandled = TRUE;
2657 else if (!strcmp (arg, "dont-free-domains"))
2658 mono_dont_free_domains = TRUE;
2659 else if (!strcmp (arg, "dyn-runtime-invoke"))
2660 debug_options.dyn_runtime_invoke = TRUE;
2661 else if (!strcmp (arg, "gdb"))
2662 debug_options.gdb = TRUE;
2663 else if (!strcmp (arg, "explicit-null-checks"))
2664 debug_options.explicit_null_checks = TRUE;
2665 else if (!strcmp (arg, "gen-seq-points"))
2666 debug_options.gen_sdb_seq_points = TRUE;
2667 else if (!strcmp (arg, "gen-compact-seq-points"))
2668 debug_options.gen_seq_points_compact_data = TRUE;
2669 else if (!strcmp (arg, "single-imm-size"))
2670 debug_options.single_imm_size = TRUE;
2671 else if (!strcmp (arg, "init-stacks"))
2672 debug_options.init_stacks = TRUE;
2673 else if (!strcmp (arg, "casts"))
2674 debug_options.better_cast_details = TRUE;
2675 else if (!strcmp (arg, "soft-breakpoints"))
2676 debug_options.soft_breakpoints = TRUE;
2677 else if (!strcmp (arg, "check-pinvoke-callconv"))
2678 debug_options.check_pinvoke_callconv = TRUE;
2679 else if (!strcmp (arg, "arm-use-fallback-tls"))
2680 debug_options.arm_use_fallback_tls = TRUE;
2681 else if (!strcmp (arg, "debug-domain-unload"))
2682 mono_enable_debug_domain_unload (TRUE);
2683 else if (!strcmp (arg, "partial-sharing"))
2684 mono_set_partial_sharing_supported (TRUE);
2685 else if (!strcmp (arg, "align-small-structs"))
2686 mono_align_small_structs = TRUE;
2687 else if (!strcmp (arg, "native-debugger-break"))
2688 debug_options.native_debugger_break = TRUE;
2690 fprintf (stderr, "Invalid option for the MONO_DEBUG env variable: %s\n", arg);
2691 fprintf (stderr, "Available options: 'handle-sigint', 'keep-delegates', 'reverse-pinvoke-exceptions', 'collect-pagefault-stats', 'break-on-unverified', 'no-gdb-backtrace', 'suspend-on-sigsegv', 'suspend-on-exception', 'suspend-on-unhandled', 'dont-free-domains', 'dyn-runtime-invoke', 'gdb', 'explicit-null-checks', 'gen-seq-points', 'gen-compact-seq-points', 'single-imm-size', 'init-stacks', 'casts', 'soft-breakpoints', 'check-pinvoke-callconv', 'arm-use-fallback-tls', 'debug-domain-unload', 'partial-sharing', 'align-small-structs', 'native-debugger-break'\n");
2700 mini_get_debug_options (void)
2702 return &debug_options;
2706 mini_create_ftnptr (MonoDomain *domain, gpointer addr)
2708 #if !defined(__ia64__) && (!defined(__ppc64__) && !defined(__powerpc64__) || _CALL_ELF == 2)
2711 gpointer* desc = NULL;
2713 if ((desc = g_hash_table_lookup (domain->ftnptrs_hash, addr)))
2716 desc = mono_domain_code_reserve (domain, 2 * sizeof (gpointer));
2720 # elif defined(__ppc64__) || defined(__powerpc64__)
2722 desc = mono_domain_alloc0 (domain, 3 * sizeof (gpointer));
2728 g_hash_table_insert (domain->ftnptrs_hash, addr, desc);
2734 mini_get_addr_from_ftnptr (gpointer descr)
2736 #if defined(__ia64__) || ((defined(__ppc64__) || defined(__powerpc64__)) && _CALL_ELF != 2)
2737 return *(gpointer*)descr;
2744 register_jit_stats (void)
2746 mono_counters_register ("Compiled methods", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.methods_compiled);
2747 mono_counters_register ("Methods from AOT", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.methods_aot);
2748 mono_counters_register ("Methods JITted using mono JIT", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.methods_without_llvm);
2749 mono_counters_register ("Methods JITted using LLVM", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.methods_with_llvm);
2750 mono_counters_register ("Total time spent JITting (sec)", MONO_COUNTER_JIT | MONO_COUNTER_DOUBLE, &mono_jit_stats.jit_time);
2751 mono_counters_register ("Basic blocks", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.basic_blocks);
2752 mono_counters_register ("Max basic blocks", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.max_basic_blocks);
2753 mono_counters_register ("Allocated vars", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.allocate_var);
2754 mono_counters_register ("Code reallocs", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.code_reallocs);
2755 mono_counters_register ("Allocated code size", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.allocated_code_size);
2756 mono_counters_register ("Allocated seq points size", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.allocated_seq_points_size);
2757 mono_counters_register ("Inlineable methods", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.inlineable_methods);
2758 mono_counters_register ("Inlined methods", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.inlined_methods);
2759 mono_counters_register ("Regvars", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.regvars);
2760 mono_counters_register ("Locals stack size", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.locals_stack_size);
2761 mono_counters_register ("Method cache lookups", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.methods_lookups);
2762 mono_counters_register ("Compiled CIL code size", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.cil_code_size);
2763 mono_counters_register ("Native code size", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.native_code_size);
2764 mono_counters_register ("Aliases found", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.alias_found);
2765 mono_counters_register ("Aliases eliminated", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.alias_removed);
2766 mono_counters_register ("Aliased loads eliminated", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.loads_eliminated);
2767 mono_counters_register ("Aliased stores eliminated", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.stores_eliminated);
2770 static void runtime_invoke_info_free (gpointer value);
2773 class_method_pair_equal (gconstpointer ka, gconstpointer kb)
2775 const MonoClassMethodPair *apair = ka;
2776 const MonoClassMethodPair *bpair = kb;
2778 return apair->klass == bpair->klass && apair->method == bpair->method ? 1 : 0;
2782 class_method_pair_hash (gconstpointer data)
2784 const MonoClassMethodPair *pair = data;
2786 return (gsize)pair->klass ^ (gsize)pair->method;
2790 mini_create_jit_domain_info (MonoDomain *domain)
2792 MonoJitDomainInfo *info = g_new0 (MonoJitDomainInfo, 1);
2794 info->jump_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
2795 info->jit_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
2796 info->delegate_trampoline_hash = g_hash_table_new (class_method_pair_hash, class_method_pair_equal);
2797 info->llvm_vcall_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
2798 info->runtime_invoke_hash = mono_conc_hashtable_new_full (mono_aligned_addr_hash, NULL, NULL, runtime_invoke_info_free);
2799 info->seq_points = g_hash_table_new_full (mono_aligned_addr_hash, NULL, NULL, mono_seq_point_info_free);
2800 info->arch_seq_points = g_hash_table_new (mono_aligned_addr_hash, NULL);
2801 info->jump_target_hash = g_hash_table_new (NULL, NULL);
2803 domain->runtime_info = info;
2807 delete_jump_list (gpointer key, gpointer value, gpointer user_data)
2809 MonoJumpList *jlist = value;
2810 g_slist_free (jlist->list);
2814 delete_got_slot_list (gpointer key, gpointer value, gpointer user_data)
2816 GSList *list = value;
2817 g_slist_free (list);
2821 dynamic_method_info_free (gpointer key, gpointer value, gpointer user_data)
2823 MonoJitDynamicMethodInfo *di = value;
2824 mono_code_manager_destroy (di->code_mp);
2829 runtime_invoke_info_free (gpointer value)
2831 RuntimeInvokeInfo *info = (RuntimeInvokeInfo*)value;
2833 #ifdef MONO_ARCH_DYN_CALL_SUPPORTED
2834 if (info->dyn_call_info)
2835 mono_arch_dyn_call_free (info->dyn_call_info);
2841 mini_free_jit_domain_info (MonoDomain *domain)
2843 MonoJitDomainInfo *info = domain_jit_info (domain);
2845 g_hash_table_foreach (info->jump_target_hash, delete_jump_list, NULL);
2846 g_hash_table_destroy (info->jump_target_hash);
2847 if (info->jump_target_got_slot_hash) {
2848 g_hash_table_foreach (info->jump_target_got_slot_hash, delete_got_slot_list, NULL);
2849 g_hash_table_destroy (info->jump_target_got_slot_hash);
2851 if (info->dynamic_code_hash) {
2852 g_hash_table_foreach (info->dynamic_code_hash, dynamic_method_info_free, NULL);
2853 g_hash_table_destroy (info->dynamic_code_hash);
2855 if (info->method_code_hash)
2856 g_hash_table_destroy (info->method_code_hash);
2857 g_hash_table_destroy (info->jump_trampoline_hash);
2858 g_hash_table_destroy (info->jit_trampoline_hash);
2859 g_hash_table_destroy (info->delegate_trampoline_hash);
2860 if (info->static_rgctx_trampoline_hash)
2861 g_hash_table_destroy (info->static_rgctx_trampoline_hash);
2862 g_hash_table_destroy (info->llvm_vcall_trampoline_hash);
2863 mono_conc_hashtable_destroy (info->runtime_invoke_hash);
2864 g_hash_table_destroy (info->seq_points);
2865 g_hash_table_destroy (info->arch_seq_points);
2866 if (info->agent_info)
2867 mono_debugger_agent_free_domain_info (domain);
2868 if (info->gsharedvt_arg_tramp_hash)
2869 g_hash_table_destroy (info->gsharedvt_arg_tramp_hash);
2871 mono_llvm_free_domain_info (domain);
2874 g_free (domain->runtime_info);
2875 domain->runtime_info = NULL;
2880 llvm_init_inner (void)
2882 if (!mono_llvm_load (NULL))
2893 * Load and initialize LLVM support.
2894 * Return TRUE on success.
2897 mini_llvm_init (void)
2900 static gboolean llvm_inited;
2901 static gboolean init_result;
2903 mono_loader_lock_if_inited ();
2905 init_result = llvm_init_inner ();
2908 mono_loader_unlock_if_inited ();
2916 mini_init (const char *filename, const char *runtime_version)
2919 MonoRuntimeCallbacks callbacks;
2920 MonoThreadInfoRuntimeCallbacks ticallbacks;
2922 MONO_VES_INIT_BEGIN ();
2924 CHECKED_MONO_INIT ();
2926 #if defined(__linux__) && !defined(__native_client__)
2927 if (access ("/proc/self/maps", F_OK) != 0) {
2928 g_print ("Mono requires /proc to be mounted.\n");
2933 mono_mutex_init_recursive (&jit_mutex);
2935 mono_cross_helpers_run ();
2939 /* Happens when using the embedding interface */
2940 if (!default_opt_set)
2941 default_opt = mono_parse_default_optimizations (NULL);
2943 #ifdef MONO_ARCH_GSHAREDVT_SUPPORTED
2945 mono_set_generic_sharing_vt_supported (TRUE);
2948 #ifdef MONO_HAVE_FAST_TLS
2949 MONO_FAST_TLS_INIT (mono_jit_tls);
2950 MONO_FAST_TLS_INIT (mono_lmf_addr);
2951 #ifdef MONO_ARCH_ENABLE_MONO_LMF_VAR
2952 MONO_FAST_TLS_INIT (mono_lmf);
2956 mono_runtime_set_has_tls_get (MONO_ARCH_HAVE_TLS_GET);
2958 if (!global_codeman)
2959 global_codeman = mono_code_manager_new ();
2961 memset (&callbacks, 0, sizeof (callbacks));
2962 callbacks.create_ftnptr = mini_create_ftnptr;
2963 callbacks.get_addr_from_ftnptr = mini_get_addr_from_ftnptr;
2964 callbacks.get_runtime_build_info = mono_get_runtime_build_info;
2965 callbacks.set_cast_details = mono_set_cast_details;
2966 callbacks.debug_log = mono_debugger_agent_debug_log;
2967 callbacks.debug_log_is_enabled = mono_debugger_agent_debug_log_is_enabled;
2968 callbacks.tls_key_supported = mini_tls_key_supported;
2970 callbacks.get_vtable_trampoline = mini_get_vtable_trampoline;
2971 callbacks.get_imt_trampoline = mini_get_imt_trampoline;
2973 mono_install_callbacks (&callbacks);
2975 memset (&ticallbacks, 0, sizeof (ticallbacks));
2976 ticallbacks.setup_async_callback = mono_setup_async_callback;
2977 ticallbacks.thread_state_init_from_sigctx = mono_thread_state_init_from_sigctx;
2978 ticallbacks.thread_state_init_from_handle = mono_thread_state_init_from_handle;
2979 ticallbacks.thread_state_init = mono_thread_state_init;
2981 mono_counters_init ();
2983 mono_threads_runtime_init (&ticallbacks);
2985 if (g_getenv ("MONO_DEBUG") != NULL)
2986 mini_parse_debug_options ();
2988 mono_code_manager_init ();
2992 mono_arch_cpu_init ();
2996 mono_unwind_init ();
2998 #ifdef XDEBUG_ENABLED
2999 if (g_getenv ("MONO_XDEBUG")) {
3000 const char *xdebug_opts = g_getenv ("MONO_XDEBUG");
3001 mono_xdebug_init (xdebug_opts);
3002 /* So methods for multiple domains don't have the same address */
3003 mono_dont_free_domains = TRUE;
3004 mono_using_xdebug = TRUE;
3005 } else if (mini_get_debug_options ()->gdb) {
3006 mono_xdebug_init ((char*)"gdb");
3007 mono_dont_free_domains = TRUE;
3008 mono_using_xdebug = TRUE;
3013 if (mono_use_llvm) {
3014 if (!mono_llvm_load (NULL)) {
3015 mono_use_llvm = FALSE;
3016 fprintf (stderr, "Mono Warning: llvm support could not be loaded.\n");
3023 mono_trampolines_init ();
3025 mono_native_tls_alloc (&mono_jit_tls_id, NULL);
3027 if (default_opt & MONO_OPT_AOT)
3030 mono_debugger_agent_init ();
3032 #ifdef MONO_ARCH_GSHARED_SUPPORTED
3033 mono_set_generic_sharing_supported (TRUE);
3036 #ifndef MONO_CROSS_COMPILE
3037 mono_runtime_install_handlers ();
3039 mono_threads_install_cleanup (mini_thread_cleanup);
3041 #define JIT_TRAMPOLINES_WORK
3042 #ifdef JIT_TRAMPOLINES_WORK
3043 mono_install_compile_method (mono_jit_compile_method);
3044 mono_install_free_method (mono_jit_free_method);
3045 mono_install_trampoline (mono_create_jit_trampoline);
3046 mono_install_jump_trampoline (mono_create_jump_trampoline);
3047 #ifndef DISABLE_REMOTING
3048 mono_install_remoting_trampoline (mono_jit_create_remoting_trampoline);
3050 mono_install_delegate_trampoline (mono_create_delegate_trampoline);
3051 mono_install_create_domain_hook (mini_create_jit_domain_info);
3052 mono_install_free_domain_hook (mini_free_jit_domain_info);
3054 #define JIT_INVOKE_WORKS
3055 #ifdef JIT_INVOKE_WORKS
3056 mono_install_runtime_invoke (mono_jit_runtime_invoke);
3058 mono_install_get_cached_class_info (mono_aot_get_cached_class_info);
3059 mono_install_get_class_from_name (mono_aot_get_class_from_name);
3060 mono_install_jit_info_find_in_aot (mono_aot_find_jit_info);
3062 if (debug_options.collect_pagefault_stats)
3063 mono_aot_set_make_unreadable (TRUE);
3065 if (runtime_version)
3066 domain = mono_init_version (filename, runtime_version);
3068 domain = mono_init_from_assembly (filename, filename);
3070 if (mono_aot_only) {
3071 /* This helps catch code allocation requests */
3072 mono_code_manager_set_read_only (domain->code_mp);
3073 mono_marshal_use_aot_wrappers (TRUE);
3077 mono_install_imt_thunk_builder (mono_aot_get_imt_thunk);
3079 mono_install_imt_thunk_builder (mono_arch_build_imt_thunk);
3081 /*Init arch tls information only after the metadata side is inited to make sure we see dynamic appdomain tls keys*/
3082 mono_arch_finish_init ();
3086 /* This must come after mono_init () in the aot-only case */
3087 mono_exceptions_init ();
3089 /* This should come after mono_init () too */
3093 mono_create_helper_signatures ();
3096 register_jit_stats ();
3098 #define JIT_CALLS_WORK
3099 #ifdef JIT_CALLS_WORK
3100 /* Needs to be called here since register_jit_icall depends on it */
3101 mono_marshal_init ();
3103 mono_arch_register_lowlevel_calls ();
3107 mono_generic_sharing_init ();
3110 #ifdef MONO_ARCH_SIMD_INTRINSICS
3111 mono_simd_intrinsics_init ();
3114 #if MONO_SUPPORT_TASKLETS
3115 mono_tasklets_init ();
3118 register_trampolines (domain);
3120 if (mono_compile_aot)
3122 * Avoid running managed code when AOT compiling, since the platform
3123 * might only support aot-only execution.
3125 mono_runtime_set_no_exec (TRUE);
3127 #define JIT_RUNTIME_WORKS
3128 #ifdef JIT_RUNTIME_WORKS
3129 mono_install_runtime_cleanup ((MonoDomainFunc)mini_cleanup);
3130 mono_runtime_init (domain, mono_thread_start_cb, mono_thread_attach_cb);
3131 mono_thread_attach (domain);
3134 mono_profiler_runtime_initialized ();
3136 MONO_VES_INIT_END ();
3142 register_icalls (void)
3144 mono_add_internal_call ("System.Diagnostics.StackFrame::get_frame_info",
3145 ves_icall_get_frame_info);
3146 mono_add_internal_call ("System.Diagnostics.StackTrace::get_trace",
3147 ves_icall_get_trace);
3148 mono_add_internal_call ("Mono.Runtime::mono_runtime_install_handlers",
3149 mono_runtime_install_handlers);
3151 #if defined(PLATFORM_ANDROID) || defined(TARGET_ANDROID)
3152 mono_add_internal_call ("System.Diagnostics.Debugger::Mono_UnhandledException_internal",
3153 mono_debugger_agent_unhandled_exception);
3157 * It's important that we pass `TRUE` as the last argument here, as
3158 * it causes the JIT to omit a wrapper for these icalls. If the JIT
3159 * *did* emit a wrapper, we'd be looking at infinite recursion since
3160 * the wrapper would call the icall which would call the wrapper and
3163 register_icall (mono_profiler_method_enter, "mono_profiler_method_enter", "void ptr", TRUE);
3164 register_icall (mono_profiler_method_leave, "mono_profiler_method_leave", "void ptr", TRUE);
3166 register_icall (mono_trace_enter_method, "mono_trace_enter_method", NULL, TRUE);
3167 register_icall (mono_trace_leave_method, "mono_trace_leave_method", NULL, TRUE);
3168 register_icall (mono_get_lmf_addr, "mono_get_lmf_addr", "ptr", TRUE);
3169 register_icall (mono_jit_thread_attach, "mono_jit_thread_attach", "ptr ptr", TRUE);
3170 register_icall (mono_jit_set_domain, "mono_jit_set_domain", "void ptr", TRUE);
3171 register_icall (mono_domain_get, "mono_domain_get", "ptr", TRUE);
3173 register_dyn_icall (mono_get_throw_exception (), "mono_arch_throw_exception", "void object", TRUE);
3174 register_dyn_icall (mono_get_rethrow_exception (), "mono_arch_rethrow_exception", "void object", TRUE);
3175 register_dyn_icall (mono_get_throw_corlib_exception (), "mono_arch_throw_corlib_exception", "void ptr", TRUE);
3176 register_icall (mono_thread_get_undeniable_exception, "mono_thread_get_undeniable_exception", "object", FALSE);
3177 register_icall (mono_thread_interruption_checkpoint, "mono_thread_interruption_checkpoint", "object", FALSE);
3178 register_icall (mono_thread_force_interruption_checkpoint_noraise, "mono_thread_force_interruption_checkpoint_noraise", "object", FALSE);
3179 register_icall (mono_thread_force_interruption_checkpoint, "mono_thread_force_interruption_checkpoint", "void", FALSE);
3180 #ifndef DISABLE_REMOTING
3181 register_icall (mono_load_remote_field_new, "mono_load_remote_field_new", "object object ptr ptr", FALSE);
3182 register_icall (mono_store_remote_field_new, "mono_store_remote_field_new", "void object ptr ptr object", FALSE);
3185 #if defined(__native_client__) || defined(__native_client_codegen__)
3186 register_icall (mono_nacl_gc, "mono_nacl_gc", "void", FALSE);
3188 #if defined(USE_COOP_GC)
3189 register_icall (mono_threads_state_poll, "mono_threads_state_poll", "void", FALSE);
3192 #ifndef MONO_ARCH_NO_EMULATE_LONG_MUL_OPTS
3193 register_opcode_emulation (OP_LMUL, "__emul_lmul", "long long long", mono_llmult, "mono_llmult", TRUE);
3194 register_opcode_emulation (OP_LDIV, "__emul_ldiv", "long long long", mono_lldiv, "mono_lldiv", FALSE);
3195 register_opcode_emulation (OP_LDIV_UN, "__emul_ldiv_un", "long long long", mono_lldiv_un, "mono_lldiv_un", FALSE);
3196 register_opcode_emulation (OP_LREM, "__emul_lrem", "long long long", mono_llrem, "mono_llrem", FALSE);
3197 register_opcode_emulation (OP_LREM_UN, "__emul_lrem_un", "long long long", mono_llrem_un, "mono_llrem_un", FALSE);
3199 #if !defined(MONO_ARCH_NO_EMULATE_LONG_MUL_OPTS) || defined(MONO_ARCH_EMULATE_LONG_MUL_OVF_OPTS)
3200 register_opcode_emulation (OP_LMUL_OVF_UN, "__emul_lmul_ovf_un", "long long long", mono_llmult_ovf_un, "mono_llmult_ovf_un", FALSE);
3201 register_opcode_emulation (OP_LMUL_OVF, "__emul_lmul_ovf", "long long long", mono_llmult_ovf, "mono_llmult_ovf", FALSE);
3204 #ifndef MONO_ARCH_NO_EMULATE_LONG_SHIFT_OPS
3205 register_opcode_emulation (OP_LSHL, "__emul_lshl", "long long int32", mono_lshl, "mono_lshl", TRUE);
3206 register_opcode_emulation (OP_LSHR, "__emul_lshr", "long long int32", mono_lshr, "mono_lshr", TRUE);
3207 register_opcode_emulation (OP_LSHR_UN, "__emul_lshr_un", "long long int32", mono_lshr_un, "mono_lshr_un", TRUE);
3210 #if defined(MONO_ARCH_EMULATE_MUL_DIV) || defined(MONO_ARCH_EMULATE_DIV)
3211 register_opcode_emulation (OP_IDIV, "__emul_op_idiv", "int32 int32 int32", mono_idiv, "mono_idiv", FALSE);
3212 register_opcode_emulation (OP_IDIV_UN, "__emul_op_idiv_un", "int32 int32 int32", mono_idiv_un, "mono_idiv_un", FALSE);
3213 register_opcode_emulation (OP_IREM, "__emul_op_irem", "int32 int32 int32", mono_irem, "mono_irem", FALSE);
3214 register_opcode_emulation (OP_IREM_UN, "__emul_op_irem_un", "int32 int32 int32", mono_irem_un, "mono_irem_un", FALSE);
3217 #ifdef MONO_ARCH_EMULATE_MUL_DIV
3218 register_opcode_emulation (OP_IMUL, "__emul_op_imul", "int32 int32 int32", mono_imul, "mono_imul", TRUE);
3221 #if defined(MONO_ARCH_EMULATE_MUL_DIV) || defined(MONO_ARCH_EMULATE_MUL_OVF)
3222 register_opcode_emulation (OP_IMUL_OVF, "__emul_op_imul_ovf", "int32 int32 int32", mono_imul_ovf, "mono_imul_ovf", FALSE);
3223 register_opcode_emulation (OP_IMUL_OVF_UN, "__emul_op_imul_ovf_un", "int32 int32 int32", mono_imul_ovf_un, "mono_imul_ovf_un", FALSE);
3226 #if defined(MONO_ARCH_EMULATE_MUL_DIV) || defined(MONO_ARCH_SOFT_FLOAT_FALLBACK)
3227 if (ARCH_EMULATE_MUL_DIV || mono_arch_is_soft_float ()) {
3228 register_opcode_emulation (OP_FDIV, "__emul_fdiv", "double double double", mono_fdiv, "mono_fdiv", FALSE);
3232 register_opcode_emulation (OP_FCONV_TO_U8, "__emul_fconv_to_u8", "ulong double", mono_fconv_u8, "mono_fconv_u8", FALSE);
3233 register_opcode_emulation (OP_RCONV_TO_U8, "__emul_rconv_to_u8", "ulong float", mono_rconv_u8, "mono_rconv_u8", FALSE);
3234 register_opcode_emulation (OP_FCONV_TO_U4, "__emul_fconv_to_u4", "uint32 double", mono_fconv_u4, "mono_fconv_u4", FALSE);
3235 register_opcode_emulation (OP_FCONV_TO_OVF_I8, "__emul_fconv_to_ovf_i8", "long double", mono_fconv_ovf_i8, "mono_fconv_ovf_i8", FALSE);
3236 register_opcode_emulation (OP_FCONV_TO_OVF_U8, "__emul_fconv_to_ovf_u8", "ulong double", mono_fconv_ovf_u8, "mono_fconv_ovf_u8", FALSE);
3237 register_opcode_emulation (OP_RCONV_TO_OVF_I8, "__emul_rconv_to_ovf_i8", "long float", mono_rconv_ovf_i8, "mono_rconv_ovf_i8", FALSE);
3238 register_opcode_emulation (OP_RCONV_TO_OVF_U8, "__emul_rconv_to_ovf_u8", "ulong float", mono_rconv_ovf_u8, "mono_rconv_ovf_u8", FALSE);
3241 #ifdef MONO_ARCH_EMULATE_FCONV_TO_I8
3242 register_opcode_emulation (OP_FCONV_TO_I8, "__emul_fconv_to_i8", "long double", mono_fconv_i8, "mono_fconv_i8", FALSE);
3243 register_opcode_emulation (OP_RCONV_TO_I8, "__emul_rconv_to_i8", "long float", mono_rconv_i8, "mono_rconv_i8", FALSE);
3246 #ifdef MONO_ARCH_EMULATE_CONV_R8_UN
3247 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);
3249 #ifdef MONO_ARCH_EMULATE_LCONV_TO_R8
3250 register_opcode_emulation (OP_LCONV_TO_R8, "__emul_lconv_to_r8", "double long", mono_lconv_to_r8, "mono_lconv_to_r8", FALSE);
3252 #ifdef MONO_ARCH_EMULATE_LCONV_TO_R4
3253 register_opcode_emulation (OP_LCONV_TO_R4, "__emul_lconv_to_r4", "float long", mono_lconv_to_r4, "mono_lconv_to_r4", FALSE);
3255 #ifdef MONO_ARCH_EMULATE_LCONV_TO_R8_UN
3256 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);
3258 #ifdef MONO_ARCH_EMULATE_FREM
3259 #if defined(__default_codegen__)
3260 register_opcode_emulation (OP_FREM, "__emul_frem", "double double double", fmod, "fmod", FALSE);
3261 register_opcode_emulation (OP_RREM, "__emul_rrem", "float float float", fmodf, "fmodf", FALSE);
3262 #elif defined(__native_client_codegen__)
3263 register_opcode_emulation (OP_FREM, "__emul_frem", "double double double", mono_fmod, "mono_fmod", FALSE);
3267 #ifdef MONO_ARCH_SOFT_FLOAT_FALLBACK
3268 if (mono_arch_is_soft_float ()) {
3269 register_opcode_emulation (OP_FSUB, "__emul_fsub", "double double double", mono_fsub, "mono_fsub", FALSE);
3270 register_opcode_emulation (OP_FADD, "__emul_fadd", "double double double", mono_fadd, "mono_fadd", FALSE);
3271 register_opcode_emulation (OP_FMUL, "__emul_fmul", "double double double", mono_fmul, "mono_fmul", FALSE);
3272 register_opcode_emulation (OP_FNEG, "__emul_fneg", "double double", mono_fneg, "mono_fneg", FALSE);
3273 register_opcode_emulation (OP_ICONV_TO_R8, "__emul_iconv_to_r8", "double int32", mono_conv_to_r8, "mono_conv_to_r8", FALSE);
3274 register_opcode_emulation (OP_ICONV_TO_R4, "__emul_iconv_to_r4", "double int32", mono_conv_to_r4, "mono_conv_to_r4", FALSE);
3275 register_opcode_emulation (OP_FCONV_TO_R4, "__emul_fconv_to_r4", "double double", mono_fconv_r4, "mono_fconv_r4", FALSE);
3276 register_opcode_emulation (OP_FCONV_TO_I1, "__emul_fconv_to_i1", "int8 double", mono_fconv_i1, "mono_fconv_i1", FALSE);
3277 register_opcode_emulation (OP_FCONV_TO_I2, "__emul_fconv_to_i2", "int16 double", mono_fconv_i2, "mono_fconv_i2", FALSE);
3278 register_opcode_emulation (OP_FCONV_TO_I4, "__emul_fconv_to_i4", "int32 double", mono_fconv_i4, "mono_fconv_i4", FALSE);
3279 register_opcode_emulation (OP_FCONV_TO_U1, "__emul_fconv_to_u1", "uint8 double", mono_fconv_u1, "mono_fconv_u1", FALSE);
3280 register_opcode_emulation (OP_FCONV_TO_U2, "__emul_fconv_to_u2", "uint16 double", mono_fconv_u2, "mono_fconv_u2", FALSE);
3282 #if SIZEOF_VOID_P == 4
3283 register_opcode_emulation (OP_FCONV_TO_I, "__emul_fconv_to_i", "int32 double", mono_fconv_i4, "mono_fconv_i4", FALSE);
3286 register_opcode_emulation (OP_FBEQ, "__emul_fcmp_eq", "uint32 double double", mono_fcmp_eq, "mono_fcmp_eq", FALSE);
3287 register_opcode_emulation (OP_FBLT, "__emul_fcmp_lt", "uint32 double double", mono_fcmp_lt, "mono_fcmp_lt", FALSE);
3288 register_opcode_emulation (OP_FBGT, "__emul_fcmp_gt", "uint32 double double", mono_fcmp_gt, "mono_fcmp_gt", FALSE);
3289 register_opcode_emulation (OP_FBLE, "__emul_fcmp_le", "uint32 double double", mono_fcmp_le, "mono_fcmp_le", FALSE);
3290 register_opcode_emulation (OP_FBGE, "__emul_fcmp_ge", "uint32 double double", mono_fcmp_ge, "mono_fcmp_ge", FALSE);
3291 register_opcode_emulation (OP_FBNE_UN, "__emul_fcmp_ne_un", "uint32 double double", mono_fcmp_ne_un, "mono_fcmp_ne_un", FALSE);
3292 register_opcode_emulation (OP_FBLT_UN, "__emul_fcmp_lt_un", "uint32 double double", mono_fcmp_lt_un, "mono_fcmp_lt_un", FALSE);
3293 register_opcode_emulation (OP_FBGT_UN, "__emul_fcmp_gt_un", "uint32 double double", mono_fcmp_gt_un, "mono_fcmp_gt_un", FALSE);
3294 register_opcode_emulation (OP_FBLE_UN, "__emul_fcmp_le_un", "uint32 double double", mono_fcmp_le_un, "mono_fcmp_le_un", FALSE);
3295 register_opcode_emulation (OP_FBGE_UN, "__emul_fcmp_ge_un", "uint32 double double", mono_fcmp_ge_un, "mono_fcmp_ge_un", FALSE);
3297 register_opcode_emulation (OP_FCEQ, "__emul_fcmp_ceq", "uint32 double double", mono_fceq, "mono_fceq", FALSE);
3298 register_opcode_emulation (OP_FCGT, "__emul_fcmp_cgt", "uint32 double double", mono_fcgt, "mono_fcgt", FALSE);
3299 register_opcode_emulation (OP_FCGT_UN, "__emul_fcmp_cgt_un", "uint32 double double", mono_fcgt_un, "mono_fcgt_un", FALSE);
3300 register_opcode_emulation (OP_FCLT, "__emul_fcmp_clt", "uint32 double double", mono_fclt, "mono_fclt", FALSE);
3301 register_opcode_emulation (OP_FCLT_UN, "__emul_fcmp_clt_un", "uint32 double double", mono_fclt_un, "mono_fclt_un", FALSE);
3303 register_icall (mono_fload_r4, "mono_fload_r4", "double ptr", FALSE);
3304 register_icall (mono_fstore_r4, "mono_fstore_r4", "void double ptr", FALSE);
3305 register_icall (mono_fload_r4_arg, "mono_fload_r4_arg", "uint32 double", FALSE);
3306 register_icall (mono_isfinite, "mono_isfinite", "uint32 double", FALSE);
3310 #ifdef COMPRESSED_INTERFACE_BITMAP
3311 register_icall (mono_class_interface_match, "mono_class_interface_match", "uint32 ptr int32", TRUE);
3314 #if SIZEOF_REGISTER == 4
3315 register_opcode_emulation (OP_FCONV_TO_U, "__emul_fconv_to_u", "uint32 double", mono_fconv_u4, "mono_fconv_u4", TRUE);
3317 register_opcode_emulation (OP_FCONV_TO_U, "__emul_fconv_to_u", "ulong double", mono_fconv_u8, "mono_fconv_u8", TRUE);
3320 /* other jit icalls */
3321 register_icall (mono_delegate_ctor, "mono_delegate_ctor", "void object object ptr", FALSE);
3322 register_icall (mono_class_static_field_address , "mono_class_static_field_address",
3323 "ptr ptr ptr", FALSE);
3324 register_icall (mono_ldtoken_wrapper, "mono_ldtoken_wrapper", "ptr ptr ptr ptr", FALSE);
3325 register_icall (mono_ldtoken_wrapper_generic_shared, "mono_ldtoken_wrapper_generic_shared",
3326 "ptr ptr ptr ptr", FALSE);
3327 register_icall (mono_get_special_static_data, "mono_get_special_static_data", "ptr int", FALSE);
3328 register_icall (mono_ldstr, "mono_ldstr", "object ptr ptr int32", FALSE);
3329 register_icall (mono_helper_stelem_ref_check, "mono_helper_stelem_ref_check", "void object object", FALSE);
3330 register_icall (mono_object_new, "mono_object_new", "object ptr ptr", FALSE);
3331 register_icall (mono_object_new_specific, "mono_object_new_specific", "object ptr", FALSE);
3332 register_icall (mono_array_new, "mono_array_new", "object ptr ptr int32", FALSE);
3333 register_icall (mono_array_new_specific, "mono_array_new_specific", "object ptr int32", FALSE);
3334 register_icall (mono_runtime_class_init, "mono_runtime_class_init", "void ptr", FALSE);
3335 register_icall (mono_ldftn, "mono_ldftn", "ptr ptr", FALSE);
3336 register_icall (mono_ldvirtfn, "mono_ldvirtfn", "ptr object ptr", FALSE);
3337 register_icall (mono_ldvirtfn_gshared, "mono_ldvirtfn_gshared", "ptr object ptr", FALSE);
3338 register_icall (mono_helper_compile_generic_method, "mono_helper_compile_generic_method", "ptr object ptr ptr", FALSE);
3339 register_icall (mono_helper_ldstr, "mono_helper_ldstr", "object ptr int", FALSE);
3340 register_icall (mono_helper_ldstr_mscorlib, "mono_helper_ldstr_mscorlib", "object int", FALSE);
3341 register_icall (mono_helper_newobj_mscorlib, "mono_helper_newobj_mscorlib", "object int", FALSE);
3342 register_icall (mono_value_copy, "mono_value_copy", "void ptr ptr ptr", FALSE);
3343 register_icall (mono_object_castclass_unbox, "mono_object_castclass_unbox", "object object ptr", FALSE);
3344 register_icall (mono_break, "mono_break", NULL, TRUE);
3345 register_icall (mono_create_corlib_exception_0, "mono_create_corlib_exception_0", "object int", TRUE);
3346 register_icall (mono_create_corlib_exception_1, "mono_create_corlib_exception_1", "object int object", TRUE);
3347 register_icall (mono_create_corlib_exception_2, "mono_create_corlib_exception_2", "object int object object", TRUE);
3348 register_icall (mono_array_new_1, "mono_array_new_1", "object ptr int", FALSE);
3349 register_icall (mono_array_new_2, "mono_array_new_2", "object ptr int int", FALSE);
3350 register_icall (mono_array_new_3, "mono_array_new_3", "object ptr int int int", FALSE);
3351 register_icall (mono_array_new_4, "mono_array_new_4", "object ptr int int int int", FALSE);
3352 register_icall (mono_get_native_calli_wrapper, "mono_get_native_calli_wrapper", "ptr ptr ptr ptr", FALSE);
3353 register_icall (mono_resume_unwind, "mono_resume_unwind", "void", TRUE);
3354 register_icall (mono_gsharedvt_constrained_call, "mono_gsharedvt_constrained_call", "object ptr ptr ptr ptr ptr", FALSE);
3355 register_icall (mono_gsharedvt_value_copy, "mono_gsharedvt_value_copy", "void ptr ptr ptr", TRUE);
3357 register_icall (mono_gc_wbarrier_value_copy_bitmap, "mono_gc_wbarrier_value_copy_bitmap", "void ptr ptr int int", FALSE);
3359 register_icall (mono_object_castclass_with_cache, "mono_object_castclass_with_cache", "object object ptr ptr", FALSE);
3360 register_icall (mono_object_isinst_with_cache, "mono_object_isinst_with_cache", "object object ptr ptr", FALSE);
3361 register_icall (mono_generic_class_init, "mono_generic_class_init", "void ptr", FALSE);
3362 register_icall (mono_fill_class_rgctx, "mono_class_fill_rgctx", "ptr ptr int", FALSE);
3363 register_icall (mono_fill_method_rgctx, "mono_method_fill_rgctx", "ptr ptr int", FALSE);
3365 register_icall (mono_debugger_agent_user_break, "mono_debugger_agent_user_break", "void", FALSE);
3368 register_icall (pthread_getspecific, "pthread_getspecific", "ptr ptr", TRUE);
3372 MonoJitStats mono_jit_stats = {0};
3375 print_jit_stats (void)
3377 if (mono_jit_stats.enabled) {
3378 g_print ("Mono Jit statistics\n");
3379 g_print ("Max code size ratio: %.2f (%s)\n", mono_jit_stats.max_code_size_ratio/100.0,
3380 mono_jit_stats.max_ratio_method);
3381 g_print ("Biggest method: %ld (%s)\n", mono_jit_stats.biggest_method_size,
3382 mono_jit_stats.biggest_method);
3384 g_print ("Delegates created: %ld\n", mono_stats.delegate_creations);
3385 g_print ("Initialized classes: %ld\n", mono_stats.initialized_class_count);
3386 g_print ("Used classes: %ld\n", mono_stats.used_class_count);
3387 g_print ("Generic vtables: %ld\n", mono_stats.generic_vtable_count);
3388 g_print ("Methods: %ld\n", mono_stats.method_count);
3389 g_print ("Static data size: %ld\n", mono_stats.class_static_data_size);
3390 g_print ("VTable data size: %ld\n", mono_stats.class_vtable_size);
3391 g_print ("Mscorlib mempool size: %d\n", mono_mempool_get_allocated (mono_defaults.corlib->mempool));
3393 g_print ("\nInitialized classes: %ld\n", mono_stats.generic_class_count);
3394 g_print ("Inflated types: %ld\n", mono_stats.inflated_type_count);
3395 g_print ("Generics virtual invokes: %ld\n", mono_jit_stats.generic_virtual_invocations);
3397 g_print ("Sharable generic methods: %ld\n", mono_stats.generics_sharable_methods);
3398 g_print ("Unsharable generic methods: %ld\n", mono_stats.generics_unsharable_methods);
3399 g_print ("Shared generic methods: %ld\n", mono_stats.generics_shared_methods);
3400 g_print ("Shared vtype generic methods: %ld\n", mono_stats.gsharedvt_methods);
3402 g_print ("IMT tables size: %ld\n", mono_stats.imt_tables_size);
3403 g_print ("IMT number of tables: %ld\n", mono_stats.imt_number_of_tables);
3404 g_print ("IMT number of methods: %ld\n", mono_stats.imt_number_of_methods);
3405 g_print ("IMT used slots: %ld\n", mono_stats.imt_used_slots);
3406 g_print ("IMT colliding slots: %ld\n", mono_stats.imt_slots_with_collisions);
3407 g_print ("IMT max collisions: %ld\n", mono_stats.imt_max_collisions_in_slot);
3408 g_print ("IMT methods at max col: %ld\n", mono_stats.imt_method_count_when_max_collisions);
3409 g_print ("IMT thunks size: %ld\n", mono_stats.imt_thunks_size);
3411 g_print ("JIT info table inserts: %ld\n", mono_stats.jit_info_table_insert_count);
3412 g_print ("JIT info table removes: %ld\n", mono_stats.jit_info_table_remove_count);
3413 g_print ("JIT info table lookups: %ld\n", mono_stats.jit_info_table_lookup_count);
3415 g_free (mono_jit_stats.max_ratio_method);
3416 mono_jit_stats.max_ratio_method = NULL;
3417 g_free (mono_jit_stats.biggest_method);
3418 mono_jit_stats.biggest_method = NULL;
3423 mini_cleanup (MonoDomain *domain)
3425 mono_runtime_shutdown_stat_profiler ();
3428 cominterop_release_all_rcws ();
3431 #ifndef MONO_CROSS_COMPILE
3433 * mono_domain_finalize () needs to be called early since it needs the
3434 * execution engine still fully working (it may invoke managed finalizers).
3436 mono_domain_finalize (domain, 2000);
3439 /* This accesses metadata so needs to be called before runtime shutdown */
3442 mono_profiler_shutdown ();
3444 #ifndef MONO_CROSS_COMPILE
3445 mono_runtime_cleanup (domain);
3448 free_jit_tls_data (mono_native_tls_get_value (mono_jit_tls_id));
3450 mono_icall_cleanup ();
3452 mono_runtime_cleanup_handlers ();
3454 #ifndef MONO_CROSS_COMPILE
3455 mono_domain_free (domain, TRUE);
3460 mono_llvm_cleanup ();
3463 mono_aot_cleanup ();
3465 mono_trampolines_cleanup ();
3467 mono_unwind_cleanup ();
3469 mono_code_manager_destroy (global_codeman);
3470 g_free (vtable_trampolines);
3472 mini_jit_cleanup ();
3474 mono_tramp_info_cleanup ();
3476 mono_arch_cleanup ();
3478 mono_generic_sharing_cleanup ();
3482 mono_trace_cleanup ();
3484 mono_counters_dump (MONO_COUNTER_SECTION_MASK | MONO_COUNTER_MONOTONIC, stdout);
3486 if (mono_inject_async_exc_method)
3487 mono_method_desc_free (mono_inject_async_exc_method);
3489 mono_native_tls_free (mono_jit_tls_id);
3491 mono_mutex_destroy (&jit_mutex);
3493 mono_code_manager_cleanup ();
3495 #ifdef USE_JUMP_TABLES
3496 mono_jumptable_cleanup ();
3501 mono_set_defaults (int verbose_level, guint32 opts)
3503 mini_verbose = verbose_level;
3504 mono_set_optimizations (opts);
3508 mono_disable_optimizations (guint32 opts)
3510 default_opt &= ~opts;
3514 mono_set_optimizations (guint32 opts)
3517 default_opt_set = TRUE;
3518 #ifdef MONO_ARCH_GSHAREDVT_SUPPORTED
3519 mono_set_generic_sharing_vt_supported (mono_aot_only || ((default_opt & MONO_OPT_GSHAREDVT) != 0));
3524 mono_set_verbose_level (guint32 level)
3526 mini_verbose = level;
3530 * mono_get_runtime_build_info:
3532 * Return the runtime version + build date in string format.
3533 * The returned string is owned by the caller. The returned string
3534 * format is "VERSION (FULL_VERSION BUILD_DATE)" and build date is optional.
3537 mono_get_runtime_build_info (void)
3539 if (mono_build_date)
3540 return g_strdup_printf ("%s (%s %s)", VERSION, FULL_VERSION, mono_build_date);
3542 return g_strdup_printf ("%s (%s)", VERSION, FULL_VERSION);
3546 mono_precompile_assembly (MonoAssembly *ass, void *user_data)
3548 GHashTable *assemblies = (GHashTable*)user_data;
3549 MonoImage *image = mono_assembly_get_image (ass);
3550 MonoMethod *method, *invoke;
3553 if (g_hash_table_lookup (assemblies, ass))
3556 g_hash_table_insert (assemblies, ass, ass);
3558 if (mini_verbose > 0)
3559 printf ("PRECOMPILE: %s.\n", mono_image_get_filename (image));
3561 for (i = 0; i < mono_image_get_table_rows (image, MONO_TABLE_METHOD); ++i) {
3562 method = mono_get_method (image, MONO_TOKEN_METHOD_DEF | (i + 1), NULL);
3563 if (method->flags & METHOD_ATTRIBUTE_ABSTRACT)
3565 if (method->is_generic || method->klass->generic_container)
3569 if (mini_verbose > 1) {
3570 char * desc = mono_method_full_name (method, TRUE);
3571 g_print ("Compiling %d %s\n", count, desc);
3574 mono_compile_method (method);
3575 if (strcmp (method->name, "Finalize") == 0) {
3576 invoke = mono_marshal_get_runtime_invoke (method, FALSE);
3577 mono_compile_method (invoke);
3579 #ifndef DISABLE_REMOTING
3580 if (mono_class_is_marshalbyref (method->klass) && mono_method_signature (method)->hasthis) {
3581 invoke = mono_marshal_get_remoting_invoke_with_check (method);
3582 mono_compile_method (invoke);
3587 /* Load and precompile referenced assemblies as well */
3588 for (i = 0; i < mono_image_get_table_rows (image, MONO_TABLE_ASSEMBLYREF); ++i) {
3589 mono_assembly_load_reference (image, i);
3590 if (image->references [i])
3591 mono_precompile_assembly (image->references [i], assemblies);
3595 void mono_precompile_assemblies ()
3597 GHashTable *assemblies = g_hash_table_new (NULL, NULL);
3599 mono_assembly_foreach ((GFunc)mono_precompile_assembly, assemblies);
3601 g_hash_table_destroy (assemblies);
3606 * Have to export this for AOT.
3609 mono_personality (void)
3612 g_assert_not_reached ();
3615 #ifdef USE_JUMP_TABLES
3616 #define DEFAULT_JUMPTABLE_CHUNK_ELEMENTS 128
3618 typedef struct MonoJumpTableChunk {
3621 struct MonoJumpTableChunk *previous;
3622 /* gpointer entries[total]; */
3623 } MonoJumpTableChunk;
3625 static MonoJumpTableChunk* g_jumptable;
3626 #define mono_jumptable_lock() mono_mutex_lock (&jumptable_mutex)
3627 #define mono_jumptable_unlock() mono_mutex_unlock (&jumptable_mutex)
3628 static mono_mutex_t jumptable_mutex;
3630 static MonoJumpTableChunk*
3631 mono_create_jumptable_chunk (guint32 max_entries)
3633 guint32 size = sizeof (MonoJumpTableChunk) + max_entries * sizeof(gpointer);
3634 MonoJumpTableChunk *chunk = (MonoJumpTableChunk*) g_new0 (guchar, size);
3635 chunk->total = max_entries;
3640 mono_jumptable_init (void)
3642 if (g_jumptable == NULL) {
3643 mono_mutex_init_recursive (&jumptable_mutex);
3644 g_jumptable = mono_create_jumptable_chunk (DEFAULT_JUMPTABLE_CHUNK_ELEMENTS);
3649 mono_jumptable_add_entry (void)
3651 return mono_jumptable_add_entries (1);
3655 mono_jumptable_add_entries (guint32 entries)
3660 mono_jumptable_init ();
3661 mono_jumptable_lock ();
3662 index = g_jumptable->active;
3663 if (index + entries >= g_jumptable->total) {
3665 * Grow jumptable, by adding one more chunk.
3666 * We cannot realloc jumptable, as there could be pointers
3667 * to existing jump table entries in the code, so instead
3668 * we just add one more chunk.
3670 guint32 max_entries = entries;
3671 MonoJumpTableChunk *new_chunk;
3673 if (max_entries < DEFAULT_JUMPTABLE_CHUNK_ELEMENTS)
3674 max_entries = DEFAULT_JUMPTABLE_CHUNK_ELEMENTS;
3675 new_chunk = mono_create_jumptable_chunk (max_entries);
3676 /* Link old jumptable, so that we could free it up later. */
3677 new_chunk->previous = g_jumptable;
3678 g_jumptable = new_chunk;
3681 g_jumptable->active = index + entries;
3682 result = (gpointer*)((guchar*)g_jumptable + sizeof(MonoJumpTableChunk)) + index;
3683 mono_jumptable_unlock();
3689 mono_jumptable_cleanup (void)
3692 MonoJumpTableChunk *current = g_jumptable, *prev;
3693 while (current != NULL) {
3694 prev = current->previous;
3699 mono_mutex_destroy (&jumptable_mutex);
3704 mono_jumptable_get_entry (guint8 *code_ptr)
3706 return mono_arch_jumptable_entry_from_code (code_ptr);