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)
122 if (RUNNING_ON_VALGRIND){
123 #ifdef VALGRIND_JIT_REGISTER_MAP
124 valgrind_register = TRUE;
137 find_tramp (gpointer key, gpointer value, gpointer user_data)
139 FindTrampUserData *ud = (FindTrampUserData*)user_data;
142 ud->method = (MonoMethod*)key;
146 G_GNUC_UNUSED static char*
147 get_method_from_ip (void *ip)
152 MonoDomain *domain = mono_domain_get ();
153 MonoDebugSourceLocation *location;
154 FindTrampUserData user_data;
157 domain = mono_get_root_domain ();
159 ji = mono_jit_info_table_find_internal (domain, ip, TRUE, TRUE);
162 user_data.method = NULL;
163 mono_domain_lock (domain);
164 g_hash_table_foreach (domain_jit_info (domain)->jit_trampoline_hash, find_tramp, &user_data);
165 mono_domain_unlock (domain);
166 if (user_data.method) {
167 char *mname = mono_method_full_name (user_data.method, TRUE);
168 res = g_strdup_printf ("<%p - JIT trampoline for %s>", ip, mname);
174 } else if (ji->is_trampoline) {
175 res = g_strdup_printf ("<%p - %s trampoline>", ip, ((MonoTrampInfo*)ji->d.tramp_info)->name);
179 method = mono_method_full_name (jinfo_get_method (ji), TRUE);
180 /* FIXME: unused ? */
181 location = mono_debug_lookup_source_location (jinfo_get_method (ji), (guint32)((guint8*)ip - (guint8*)ji->code_start), domain);
183 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);
185 mono_debug_free_source_location (location);
193 * @ip: an instruction pointer address
195 * This method is used from a debugger to get the name of the
196 * method at address @ip. This routine is typically invoked from
197 * a debugger like this:
199 * (gdb) print mono_pmip ($pc)
201 * Returns: the name of the method at address @ip.
206 return get_method_from_ip (ip);
210 * mono_print_method_from_ip
211 * @ip: an instruction pointer address
213 * This method is used from a debugger to get the name of the
214 * method at address @ip.
216 * This prints the name of the method at address @ip in the standard
217 * output. Unlike mono_pmip which returns a string, this routine
218 * prints the value on the standard output.
221 /* Prevent the linker from optimizing this away in embedding setups to help debugging */
222 __attribute__((used))
225 mono_print_method_from_ip (void *ip)
229 MonoDebugSourceLocation *source;
230 MonoDomain *domain = mono_domain_get ();
231 MonoDomain *target_domain = mono_domain_get ();
232 FindTrampUserData user_data;
233 MonoGenericSharingContext*gsctx;
234 const char *shared_type;
236 ji = mini_jit_info_table_find_ext (domain, ip, TRUE, &target_domain);
237 if (ji && ji->is_trampoline) {
238 MonoTrampInfo *tinfo = ji->d.tramp_info;
240 printf ("IP %p is at offset 0x%x of trampoline '%s'.\n", ip, (int)((guint8*)ip - tinfo->code), tinfo->name);
246 user_data.method = NULL;
247 mono_domain_lock (domain);
248 g_hash_table_foreach (domain_jit_info (domain)->jit_trampoline_hash, find_tramp, &user_data);
249 mono_domain_unlock (domain);
251 if (user_data.method) {
252 char *mname = mono_method_full_name (user_data.method, TRUE);
253 printf ("IP %p is a JIT trampoline for %s\n", ip, mname);
258 g_print ("No method at %p\n", ip);
262 method = mono_method_full_name (jinfo_get_method (ji), TRUE);
263 source = mono_debug_lookup_source_location (jinfo_get_method (ji), (guint32)((guint8*)ip - (guint8*)ji->code_start), target_domain);
265 gsctx = mono_jit_info_get_generic_sharing_context (ji);
268 if (gsctx->is_gsharedvt)
269 shared_type = "gsharedvt ";
271 shared_type = "gshared ";
274 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);
277 g_print ("%s:%d\n", source->source_file, source->row);
280 mono_debug_free_source_location (source);
285 * mono_method_same_domain:
287 * Determine whenever two compiled methods are in the same domain, thus
288 * the address of the callee can be embedded in the caller.
290 gboolean mono_method_same_domain (MonoJitInfo *caller, MonoJitInfo *callee)
294 if (!caller || caller->is_trampoline || !callee || callee->is_trampoline)
298 * If the call was made from domain-neutral to domain-specific
299 * code, we can't patch the call site.
301 if (caller->domain_neutral && !callee->domain_neutral)
304 cmethod = jinfo_get_method (caller);
305 if ((cmethod->klass == mono_defaults.appdomain_class) &&
306 (strstr (cmethod->name, "InvokeInDomain"))) {
307 /* The InvokeInDomain methods change the current appdomain */
315 * mono_global_codeman_reserve:
317 * Allocate code memory from the global code manager.
319 void *mono_global_codeman_reserve (int size)
324 g_error ("Attempting to allocate from the global code manager while running with --aot-only.\n");
326 if (!global_codeman) {
327 /* This can happen during startup */
328 global_codeman = mono_code_manager_new ();
329 return mono_code_manager_reserve (global_codeman, size);
333 ptr = mono_code_manager_reserve (global_codeman, size);
339 #if defined(__native_client_codegen__) && defined(__native_client__)
343 #ifdef __native_client_gc__
344 __nacl_suspend_thread_if_needed();
348 /* Given the temporary buffer (allocated by mono_global_codeman_reserve) into
349 * which we are generating code, return a pointer to the destination in the
350 * dynamic code segment into which the code will be copied when
351 * mono_global_codeman_commit is called.
352 * LOCKING: Acquires the jit lock.
355 nacl_global_codeman_get_dest (void *data)
359 dest = nacl_code_manager_get_code_dest (global_codeman, data);
365 mono_global_codeman_commit (void *data, int size, int newsize)
368 mono_code_manager_commit (global_codeman, data, size, newsize);
373 * Convenience function which calls mono_global_codeman_commit to validate and
374 * copy the code. The caller sets *buf_base and *buf_size to the start and size
375 * of the buffer (allocated by mono_global_codeman_reserve), and *code_end to
376 * the byte after the last instruction byte. On return, *buf_base will point to
377 * the start of the copied in the code segment, and *code_end will point after
378 * the end of the copied code.
381 nacl_global_codeman_validate (guint8 **buf_base, int buf_size, guint8 **code_end)
383 guint8 *tmp = nacl_global_codeman_get_dest (*buf_base);
384 mono_global_codeman_commit (*buf_base, buf_size, *code_end - *buf_base);
385 *code_end = tmp + (*code_end - *buf_base);
389 /* no-op versions of Native Client functions */
391 nacl_global_codeman_get_dest (void *data)
397 mono_global_codeman_commit (void *data, int size, int newsize)
402 nacl_global_codeman_validate (guint8 **buf_base, int buf_size, guint8 **code_end)
406 #endif /* __native_client__ */
409 * mono_create_unwind_op:
411 * Create an unwind op with the given parameters.
414 mono_create_unwind_op (int when, int tag, int reg, int val)
416 MonoUnwindOp *op = g_new0 (MonoUnwindOp, 1);
427 mono_jump_info_token_new2 (MonoMemPool *mp, MonoImage *image, guint32 token, MonoGenericContext *context)
429 MonoJumpInfoToken *res = mono_mempool_alloc0 (mp, sizeof (MonoJumpInfoToken));
432 res->has_context = context != NULL;
434 memcpy (&res->context, context, sizeof (MonoGenericContext));
440 mono_jump_info_token_new (MonoMemPool *mp, MonoImage *image, guint32 token)
442 return mono_jump_info_token_new2 (mp, image, token, NULL);
446 * mono_tramp_info_create:
448 * Create a MonoTrampInfo structure from the arguments. This function assumes ownership
449 * of JI, and UNWIND_OPS.
452 mono_tramp_info_create (const char *name, guint8 *code, guint32 code_size, MonoJumpInfo *ji, GSList *unwind_ops)
454 MonoTrampInfo *info = g_new0 (MonoTrampInfo, 1);
456 info->name = g_strdup ((char*)name);
458 info->code_size = code_size;
460 info->unwind_ops = unwind_ops;
466 mono_tramp_info_free (MonoTrampInfo *info)
471 mono_free_unwind_info (info->unwind_ops);
476 register_trampoline_jit_info (MonoDomain *domain, MonoTrampInfo *info)
480 ji = mono_domain_alloc0 (domain, mono_jit_info_size (0, 0, 0));
481 mono_jit_info_init (ji, NULL, info->code, info->code_size, 0, 0, 0);
482 ji->d.tramp_info = info;
483 ji->is_trampoline = TRUE;
485 ji->unwind_info = mono_cache_unwind_info (info->uw_info, info->uw_info_len);
487 mono_jit_info_table_add (domain, ji);
491 * mono_tramp_info_register:
493 * Remember INFO for use by xdebug, mono_print_method_from_ip (), jit maps, etc.
498 mono_tramp_info_register (MonoTrampInfo *info, MonoDomain *domain)
506 domain = mono_get_root_domain ();
508 copy = g_new0 (MonoTrampInfo, 1);
509 copy->code = info->code;
510 copy->code_size = info->code_size;
511 copy->name = g_strdup (info->name);
513 if (info->unwind_ops) {
514 copy->uw_info = mono_unwind_ops_encode (info->unwind_ops, ©->uw_info_len);
516 /* Trampolines from aot have the unwind ops already encoded */
517 copy->uw_info = info->uw_info;
518 copy->uw_info_len = info->uw_info_len;
522 tramp_infos = g_slist_prepend (tramp_infos, copy);
525 mono_save_trampoline_xdebug_info (info);
527 /* Only register trampolines that have unwind infos */
528 if (mono_get_root_domain () && copy->uw_info)
529 register_trampoline_jit_info (domain, copy);
531 if (mono_jit_map_is_enabled ())
532 mono_emit_jit_tramp (info->code, info->code_size, info->name);
534 mono_tramp_info_free (info);
538 mono_tramp_info_cleanup (void)
542 for (l = tramp_infos; l; l = l->next) {
543 MonoTrampInfo *info = l->data;
545 mono_tramp_info_free (info);
547 g_slist_free (tramp_infos);
550 /* Register trampolines created before the root domain was created in the jit info tables */
552 register_trampolines (MonoDomain *domain)
556 for (l = tramp_infos; l; l = l->next) {
557 MonoTrampInfo *info = l->data;
559 register_trampoline_jit_info (domain, info);
563 G_GNUC_UNUSED static void
569 * Runtime debugging tool, use if (debug_count ()) <x> else <y> to do <x> the first COUNT times, then do <y> afterwards.
570 * Set a breakpoint in break_count () to break the last time <x> is done.
572 G_GNUC_UNUSED gboolean
573 mono_debug_count (void)
575 static int count = 0;
576 static gboolean inited;
577 static const char *value;
582 value = g_getenv ("COUNT");
589 if (count == atoi (value))
592 if (count > atoi (value))
599 mono_icall_get_wrapper_full (MonoJitICallInfo* callinfo, gboolean do_compile)
603 gconstpointer trampoline;
604 MonoDomain *domain = mono_get_root_domain ();
605 gboolean check_exc = TRUE;
607 if (callinfo->wrapper) {
608 return callinfo->wrapper;
611 if (callinfo->trampoline)
612 return callinfo->trampoline;
615 * We use the lock on the root domain instead of the JIT lock to protect
616 * callinfo->trampoline, since we do a lot of stuff inside the critical section.
618 mono_loader_lock (); /*FIXME mono_compile_method requires the loader lock, by large.*/
619 mono_domain_lock (domain);
621 if (callinfo->trampoline) {
622 mono_domain_unlock (domain);
623 mono_loader_unlock ();
624 return callinfo->trampoline;
627 if (!strcmp (callinfo->name, "mono_thread_interruption_checkpoint"))
628 /* This icall is used to check for exceptions, so don't check in the wrapper */
631 name = g_strdup_printf ("__icall_wrapper_%s", callinfo->name);
632 wrapper = mono_marshal_get_icall_wrapper (callinfo->sig, name, callinfo->func, check_exc);
636 trampoline = mono_compile_method (wrapper);
638 trampoline = mono_create_ftnptr (domain, mono_create_jit_trampoline_in_domain (domain, wrapper));
639 mono_register_jit_icall_wrapper (callinfo, trampoline);
641 callinfo->trampoline = trampoline;
643 mono_domain_unlock (domain);
644 mono_loader_unlock ();
646 return callinfo->trampoline;
650 mono_icall_get_wrapper (MonoJitICallInfo* callinfo)
652 return mono_icall_get_wrapper_full (callinfo, FALSE);
655 static MonoJitDynamicMethodInfo*
656 mono_dynamic_code_hash_lookup (MonoDomain *domain, MonoMethod *method)
658 MonoJitDynamicMethodInfo *res;
660 if (domain_jit_info (domain)->dynamic_code_hash)
661 res = g_hash_table_lookup (domain_jit_info (domain)->dynamic_code_hash, method);
668 register_opcode_emulation (int opcode, const char *name, const char *sigstr, gpointer func, const char *symbol, gboolean no_throw)
671 mini_register_opcode_emulation (opcode, name, sigstr, func, symbol, no_throw);
676 * For JIT icalls implemented in C.
677 * NAME should be the same as the name of the C function whose address is FUNC.
678 * If @avoid_wrapper is TRUE, no wrapper is generated. This is for perf critical icalls which
679 * can't throw exceptions.
682 register_icall (gpointer func, const char *name, const char *sigstr, gboolean avoid_wrapper)
684 MonoMethodSignature *sig;
687 sig = mono_create_icall_signature (sigstr);
691 mono_register_jit_icall_full (func, name, sig, avoid_wrapper, FALSE, avoid_wrapper ? name : NULL);
695 register_dyn_icall (gpointer func, const char *name, const char *sigstr, gboolean save)
697 MonoMethodSignature *sig;
700 sig = mono_create_icall_signature (sigstr);
704 mono_register_jit_icall (func, name, sig, save);
707 #ifdef MONO_HAVE_FAST_TLS
708 MONO_FAST_TLS_DECLARE(mono_lmf_addr);
709 #ifdef MONO_ARCH_ENABLE_MONO_LMF_VAR
711 * When this is defined, the current lmf is stored in this tls variable instead of in
714 MONO_FAST_TLS_DECLARE(mono_lmf);
719 mono_get_jit_tls_offset (void)
725 offset = mono_jit_tls_id;
727 /* FIXME: Happens during startup */
730 MONO_THREAD_VAR_OFFSET (mono_jit_tls, offset);
736 mono_get_lmf_tls_offset (void)
738 #if defined(MONO_ARCH_ENABLE_MONO_LMF_VAR)
740 MONO_THREAD_VAR_OFFSET(mono_lmf,offset);
748 mono_get_lmf_addr_tls_offset (void)
751 MONO_THREAD_VAR_OFFSET(mono_lmf_addr,offset);
758 #if defined(MONO_HAVE_FAST_TLS) && defined(MONO_ARCH_ENABLE_MONO_LMF_VAR)
759 return MONO_FAST_TLS_GET (mono_lmf);
761 MonoJitTlsData *jit_tls;
763 if ((jit_tls = mono_native_tls_get_value (mono_jit_tls_id)))
766 * We do not assert here because this function can be called from
767 * mini-gc.c on a thread that has not executed any managed code, yet
768 * (the thread object allocation can trigger a collection).
775 mono_get_lmf_addr (void)
777 #ifdef MONO_HAVE_FAST_TLS
778 return MONO_FAST_TLS_GET (mono_lmf_addr);
780 MonoJitTlsData *jit_tls;
782 jit_tls = mono_native_tls_get_value (mono_jit_tls_id);
783 if (G_LIKELY (jit_tls))
784 return &jit_tls->lmf;
787 * When resolving the call to mono_jit_thread_attach full-aot will look
788 * in the plt, which causes a call into the generic trampoline, which in turn
789 * tries to resolve the lmf_addr creating a cyclic dependency. We cannot
790 * call mono_jit_thread_attach from the native-to-managed wrapper, without
791 * mono_get_lmf_addr, and mono_get_lmf_addr requires the thread to be attached.
794 mono_jit_thread_attach (NULL);
796 if ((jit_tls = mono_native_tls_get_value (mono_jit_tls_id)))
797 return &jit_tls->lmf;
799 g_assert_not_reached ();
805 mono_set_lmf (MonoLMF *lmf)
807 #if defined(MONO_HAVE_FAST_TLS) && defined(MONO_ARCH_ENABLE_MONO_LMF_VAR)
808 MONO_FAST_TLS_SET (mono_lmf, lmf);
811 (*mono_get_lmf_addr ()) = lmf;
815 mono_get_jit_tls (void)
817 return mono_native_tls_get_value (mono_jit_tls_id);
821 mono_set_jit_tls (MonoJitTlsData *jit_tls)
823 MonoThreadInfo *info;
825 mono_native_tls_set_value (mono_jit_tls_id, jit_tls);
827 #ifdef MONO_HAVE_FAST_TLS
828 MONO_FAST_TLS_SET (mono_jit_tls, jit_tls);
831 /* Save it into MonoThreadInfo so it can be accessed by mono_thread_state_init_from_handle () */
832 info = mono_thread_info_current ();
834 mono_thread_info_tls_set (info, TLS_KEY_JIT_TLS, jit_tls);
838 mono_set_lmf_addr (gpointer lmf_addr)
840 MonoThreadInfo *info;
842 #ifdef MONO_HAVE_FAST_TLS
843 MONO_FAST_TLS_SET (mono_lmf_addr, lmf_addr);
846 /* Save it into MonoThreadInfo so it can be accessed by mono_thread_state_init_from_handle () */
847 info = mono_thread_info_current ();
849 mono_thread_info_tls_set (info, TLS_KEY_LMF_ADDR, lmf_addr);
853 * mono_jit_thread_attach:
855 * Called by native->managed wrappers. Returns the original domain which needs to be
859 mono_jit_thread_attach (MonoDomain *domain)
865 * Happens when called from AOTed code which is only used in the root
868 domain = mono_get_root_domain ();
870 #ifdef MONO_HAVE_FAST_TLS
871 if (!MONO_FAST_TLS_GET (mono_lmf_addr)) {
872 mono_thread_attach (domain);
874 mono_thread_set_state (mono_thread_internal_current (), ThreadState_Background);
877 if (!mono_native_tls_get_value (mono_jit_tls_id)) {
878 mono_thread_attach (domain);
879 mono_thread_set_state (mono_thread_internal_current (), ThreadState_Background);
882 orig = mono_domain_get ();
884 mono_domain_set (domain, TRUE);
886 return orig != domain ? orig : NULL;
889 /* Called by native->managed wrappers */
891 mono_jit_set_domain (MonoDomain *domain)
894 mono_domain_set (domain, TRUE);
899 * @obj: exception object
901 * abort the thread, print exception information and stack trace
904 mono_thread_abort (MonoObject *obj)
906 /* MonoJitTlsData *jit_tls = mono_native_tls_get_value (mono_jit_tls_id); */
908 /* handle_remove should be eventually called for this thread, too
911 if ((mono_runtime_unhandled_exception_policy_get () == MONO_UNHANDLED_POLICY_LEGACY) ||
912 (obj->vtable->klass == mono_defaults.threadabortexception_class)) {
915 mono_invoke_unhandled_exception_hook (obj);
920 setup_jit_tls_data (gpointer stack_start, gpointer abort_func)
922 MonoJitTlsData *jit_tls;
925 jit_tls = mono_native_tls_get_value (mono_jit_tls_id);
929 jit_tls = g_new0 (MonoJitTlsData, 1);
931 jit_tls->abort_func = abort_func;
932 jit_tls->end_of_stack = stack_start;
934 mono_set_jit_tls (jit_tls);
936 lmf = g_new0 (MonoLMF, 1);
937 MONO_ARCH_INIT_TOP_LMF_ENTRY (lmf);
939 jit_tls->first_lmf = lmf;
941 #if defined(MONO_HAVE_FAST_TLS) && defined(MONO_ARCH_ENABLE_MONO_LMF_VAR)
942 /* jit_tls->lmf is unused */
943 MONO_FAST_TLS_SET (mono_lmf, lmf);
944 mono_set_lmf_addr (MONO_FAST_TLS_ADDR (mono_lmf));
946 mono_set_lmf_addr (&jit_tls->lmf);
951 #ifdef MONO_ARCH_HAVE_TLS_INIT
952 mono_arch_tls_init ();
955 mono_setup_altstack (jit_tls);
961 free_jit_tls_data (MonoJitTlsData *jit_tls)
963 mono_arch_free_jit_tls_data (jit_tls);
964 mono_free_altstack (jit_tls);
966 g_free (jit_tls->first_lmf);
971 mono_thread_start_cb (intptr_t tid, gpointer stack_start, gpointer func)
973 MonoThreadInfo *thread;
974 void *jit_tls = setup_jit_tls_data (stack_start, mono_thread_abort);
975 thread = mono_thread_info_current_unchecked ();
977 thread->jit_data = jit_tls;
979 mono_arch_cpu_init ();
982 void (*mono_thread_attach_aborted_cb ) (MonoObject *obj) = NULL;
985 mono_thread_abort_dummy (MonoObject *obj)
987 if (mono_thread_attach_aborted_cb)
988 mono_thread_attach_aborted_cb (obj);
990 mono_thread_abort (obj);
994 mono_thread_attach_cb (intptr_t tid, gpointer stack_start)
996 MonoThreadInfo *thread;
997 void *jit_tls = setup_jit_tls_data (stack_start, mono_thread_abort_dummy);
998 thread = mono_thread_info_current_unchecked ();
1000 thread->jit_data = jit_tls;
1001 if (mono_profiler_get_events () & MONO_PROFILE_STATISTICAL)
1002 mono_runtime_setup_stat_profiler ();
1004 mono_arch_cpu_init ();
1008 mini_thread_cleanup (MonoNativeThreadId tid)
1010 MonoJitTlsData *jit_tls = NULL;
1011 MonoThreadInfo *info;
1013 info = mono_thread_info_current_unchecked ();
1015 /* We can't clean up tls information if we are on another thread, it will clean up the wrong stuff
1016 * It would be nice to issue a warning when this happens outside of the shutdown sequence. but it's
1017 * not a trivial thing.
1019 * The current offender is mono_thread_manage which cleanup threads from the outside.
1021 if (info && mono_thread_info_get_tid (info) == tid) {
1022 jit_tls = info->jit_data;
1023 info->jit_data = NULL;
1025 mono_set_jit_tls (NULL);
1027 /* If we attach a thread but never call into managed land, we might never get an lmf.*/
1028 if (mono_get_lmf ()) {
1029 mono_set_lmf (NULL);
1030 mono_set_lmf_addr (NULL);
1033 info = mono_thread_info_lookup (tid);
1035 jit_tls = info->jit_data;
1036 info->jit_data = NULL;
1038 mono_hazard_pointer_clear (mono_hazard_pointer_get (), 1);
1042 free_jit_tls_data (jit_tls);
1046 mini_get_tls_offset (MonoTlsKey key)
1049 g_assert (MONO_ARCH_HAVE_TLS_GET);
1052 case TLS_KEY_THREAD:
1053 offset = mono_thread_get_tls_offset ();
1055 case TLS_KEY_JIT_TLS:
1056 offset = mono_get_jit_tls_offset ();
1058 case TLS_KEY_DOMAIN:
1059 offset = mono_domain_get_tls_offset ();
1062 offset = mono_get_lmf_tls_offset ();
1064 case TLS_KEY_LMF_ADDR:
1065 offset = mono_get_lmf_addr_tls_offset ();
1068 offset = mono_tls_key_get_offset (key);
1069 g_assert (offset != -1);
1077 mini_tls_key_supported (MonoTlsKey key)
1079 if (!MONO_ARCH_HAVE_TLS_GET)
1082 return mini_get_tls_offset (key) != -1;
1086 mono_patch_info_list_prepend (MonoJumpInfo *list, int ip, MonoJumpInfoType type, gconstpointer target)
1088 MonoJumpInfo *ji = g_new0 (MonoJumpInfo, 1);
1092 ji->data.target = target;
1099 * mono_patch_info_dup_mp:
1101 * Make a copy of PATCH_INFO, allocating memory from the mempool MP.
1104 mono_patch_info_dup_mp (MonoMemPool *mp, MonoJumpInfo *patch_info)
1106 MonoJumpInfo *res = mono_mempool_alloc (mp, sizeof (MonoJumpInfo));
1107 memcpy (res, patch_info, sizeof (MonoJumpInfo));
1109 switch (patch_info->type) {
1110 case MONO_PATCH_INFO_RVA:
1111 case MONO_PATCH_INFO_LDSTR:
1112 case MONO_PATCH_INFO_TYPE_FROM_HANDLE:
1113 case MONO_PATCH_INFO_LDTOKEN:
1114 case MONO_PATCH_INFO_DECLSEC:
1115 res->data.token = mono_mempool_alloc (mp, sizeof (MonoJumpInfoToken));
1116 memcpy (res->data.token, patch_info->data.token, sizeof (MonoJumpInfoToken));
1118 case MONO_PATCH_INFO_SWITCH:
1119 res->data.table = mono_mempool_alloc (mp, sizeof (MonoJumpInfoBBTable));
1120 memcpy (res->data.table, patch_info->data.table, sizeof (MonoJumpInfoBBTable));
1121 res->data.table->table = mono_mempool_alloc (mp, sizeof (MonoBasicBlock*) * patch_info->data.table->table_size);
1122 memcpy (res->data.table->table, patch_info->data.table->table, sizeof (MonoBasicBlock*) * patch_info->data.table->table_size);
1124 case MONO_PATCH_INFO_RGCTX_FETCH:
1125 res->data.rgctx_entry = mono_mempool_alloc (mp, sizeof (MonoJumpInfoRgctxEntry));
1126 memcpy (res->data.rgctx_entry, patch_info->data.rgctx_entry, sizeof (MonoJumpInfoRgctxEntry));
1127 res->data.rgctx_entry->data = mono_patch_info_dup_mp (mp, res->data.rgctx_entry->data);
1129 case MONO_PATCH_INFO_DELEGATE_TRAMPOLINE:
1130 res->data.del_tramp = mono_mempool_alloc0 (mp, sizeof (MonoDelegateClassMethodPair));
1131 memcpy (res->data.del_tramp, patch_info->data.del_tramp, sizeof (MonoDelegateClassMethodPair));
1133 case MONO_PATCH_INFO_GSHAREDVT_CALL:
1134 res->data.gsharedvt = mono_mempool_alloc (mp, sizeof (MonoJumpInfoGSharedVtCall));
1135 memcpy (res->data.gsharedvt, patch_info->data.gsharedvt, sizeof (MonoJumpInfoGSharedVtCall));
1137 case MONO_PATCH_INFO_GSHAREDVT_METHOD: {
1138 MonoGSharedVtMethodInfo *info;
1139 MonoGSharedVtMethodInfo *oinfo;
1142 oinfo = patch_info->data.gsharedvt_method;
1143 info = mono_mempool_alloc (mp, sizeof (MonoGSharedVtMethodInfo));
1144 res->data.gsharedvt_method = info;
1145 memcpy (info, oinfo, sizeof (MonoGSharedVtMethodInfo));
1146 info->entries = mono_mempool_alloc (mp, sizeof (MonoRuntimeGenericContextInfoTemplate) * info->count_entries);
1147 for (i = 0; i < oinfo->num_entries; ++i) {
1148 MonoRuntimeGenericContextInfoTemplate *otemplate = &oinfo->entries [i];
1149 MonoRuntimeGenericContextInfoTemplate *template = &info->entries [i];
1151 memcpy (template, otemplate, sizeof (MonoRuntimeGenericContextInfoTemplate));
1153 //info->locals_types = mono_mempool_alloc0 (mp, info->nlocals * sizeof (MonoType*));
1154 //memcpy (info->locals_types, oinfo->locals_types, info->nlocals * sizeof (MonoType*));
1157 case MONO_PATCH_INFO_VIRT_METHOD: {
1158 MonoJumpInfoVirtMethod *info;
1159 MonoJumpInfoVirtMethod *oinfo;
1161 oinfo = patch_info->data.virt_method;
1162 info = mono_mempool_alloc0 (mp, sizeof (MonoJumpInfoVirtMethod));
1163 res->data.virt_method = info;
1164 memcpy (info, oinfo, sizeof (MonoJumpInfoVirtMethod));
1175 mono_patch_info_hash (gconstpointer data)
1177 const MonoJumpInfo *ji = (MonoJumpInfo*)data;
1180 case MONO_PATCH_INFO_RVA:
1181 case MONO_PATCH_INFO_LDSTR:
1182 case MONO_PATCH_INFO_LDTOKEN:
1183 case MONO_PATCH_INFO_DECLSEC:
1184 return (ji->type << 8) | ji->data.token->token;
1185 case MONO_PATCH_INFO_TYPE_FROM_HANDLE:
1186 return (ji->type << 8) | ji->data.token->token | (ji->data.token->has_context ? (gsize)ji->data.token->context.class_inst : 0);
1187 case MONO_PATCH_INFO_INTERNAL_METHOD:
1188 return (ji->type << 8) | g_str_hash (ji->data.name);
1189 case MONO_PATCH_INFO_VTABLE:
1190 case MONO_PATCH_INFO_CLASS:
1191 case MONO_PATCH_INFO_IID:
1192 case MONO_PATCH_INFO_ADJUSTED_IID:
1193 case MONO_PATCH_INFO_METHODCONST:
1194 case MONO_PATCH_INFO_METHOD:
1195 case MONO_PATCH_INFO_METHOD_JUMP:
1196 case MONO_PATCH_INFO_IMAGE:
1197 case MONO_PATCH_INFO_ICALL_ADDR:
1198 case MONO_PATCH_INFO_FIELD:
1199 case MONO_PATCH_INFO_SFLDA:
1200 case MONO_PATCH_INFO_SEQ_POINT_INFO:
1201 case MONO_PATCH_INFO_METHOD_RGCTX:
1202 case MONO_PATCH_INFO_SIGNATURE:
1203 case MONO_PATCH_INFO_TLS_OFFSET:
1204 case MONO_PATCH_INFO_METHOD_CODE_SLOT:
1205 return (ji->type << 8) | (gssize)ji->data.target;
1206 case MONO_PATCH_INFO_GSHAREDVT_CALL:
1207 return (ji->type << 8) | (gssize)ji->data.gsharedvt->method;
1208 case MONO_PATCH_INFO_RGCTX_FETCH: {
1209 MonoJumpInfoRgctxEntry *e = ji->data.rgctx_entry;
1211 return (ji->type << 8) | (gssize)e->method | (e->in_mrgctx) | e->info_type | mono_patch_info_hash (e->data);
1213 case MONO_PATCH_INFO_INTERRUPTION_REQUEST_FLAG:
1214 case MONO_PATCH_INFO_MSCORLIB_GOT_ADDR:
1215 case MONO_PATCH_INFO_GC_CARD_TABLE_ADDR:
1216 case MONO_PATCH_INFO_GC_NURSERY_START:
1217 case MONO_PATCH_INFO_JIT_TLS_ID:
1218 case MONO_PATCH_INFO_GOT_OFFSET:
1219 case MONO_PATCH_INFO_GC_SAFE_POINT_FLAG:
1220 return (ji->type << 8);
1221 case MONO_PATCH_INFO_CASTCLASS_CACHE:
1222 return (ji->type << 8) | (ji->data.index);
1223 case MONO_PATCH_INFO_SWITCH:
1224 return (ji->type << 8) | ji->data.table->table_size;
1225 case MONO_PATCH_INFO_GSHAREDVT_METHOD:
1226 return (ji->type << 8) | (gssize)ji->data.gsharedvt_method->method;
1227 case MONO_PATCH_INFO_OBJC_SELECTOR_REF:
1228 /* Hash on the selector name */
1229 return g_str_hash (ji->data.target);
1230 case MONO_PATCH_INFO_DELEGATE_TRAMPOLINE:
1231 return (ji->type << 8) | (gsize)ji->data.del_tramp->klass | (gsize)ji->data.del_tramp->method | (gsize)ji->data.del_tramp->virtual;
1232 case MONO_PATCH_INFO_LDSTR_LIT:
1233 return g_str_hash (ji->data.target);
1234 case MONO_PATCH_INFO_VIRT_METHOD: {
1235 MonoJumpInfoVirtMethod *info = ji->data.virt_method;
1237 return (ji->type << 8) | (gssize)info->klass | (gssize)info->method;
1239 case MONO_PATCH_INFO_JIT_ICALL_ADDR:
1240 return (ji->type << 8) | g_str_hash (ji->data.target);
1242 printf ("info type: %d\n", ji->type);
1243 mono_print_ji (ji); printf ("\n");
1244 g_assert_not_reached ();
1250 * mono_patch_info_equal:
1252 * This might fail to recognize equivalent patches, i.e. floats, so its only
1253 * usable in those cases where this is not a problem, i.e. sharing GOT slots
1257 mono_patch_info_equal (gconstpointer ka, gconstpointer kb)
1259 const MonoJumpInfo *ji1 = (MonoJumpInfo*)ka;
1260 const MonoJumpInfo *ji2 = (MonoJumpInfo*)kb;
1262 if (ji1->type != ji2->type)
1265 switch (ji1->type) {
1266 case MONO_PATCH_INFO_RVA:
1267 case MONO_PATCH_INFO_LDSTR:
1268 case MONO_PATCH_INFO_TYPE_FROM_HANDLE:
1269 case MONO_PATCH_INFO_LDTOKEN:
1270 case MONO_PATCH_INFO_DECLSEC:
1271 if ((ji1->data.token->image != ji2->data.token->image) ||
1272 (ji1->data.token->token != ji2->data.token->token) ||
1273 (ji1->data.token->has_context != ji2->data.token->has_context) ||
1274 (ji1->data.token->context.class_inst != ji2->data.token->context.class_inst) ||
1275 (ji1->data.token->context.method_inst != ji2->data.token->context.method_inst))
1278 case MONO_PATCH_INFO_INTERNAL_METHOD:
1279 return g_str_equal (ji1->data.name, ji2->data.name);
1280 case MONO_PATCH_INFO_RGCTX_FETCH: {
1281 MonoJumpInfoRgctxEntry *e1 = ji1->data.rgctx_entry;
1282 MonoJumpInfoRgctxEntry *e2 = ji2->data.rgctx_entry;
1284 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);
1286 case MONO_PATCH_INFO_GSHAREDVT_CALL: {
1287 MonoJumpInfoGSharedVtCall *c1 = ji1->data.gsharedvt;
1288 MonoJumpInfoGSharedVtCall *c2 = ji2->data.gsharedvt;
1290 return c1->sig == c2->sig && c1->method == c2->method;
1292 case MONO_PATCH_INFO_GSHAREDVT_METHOD:
1293 return ji1->data.gsharedvt_method->method == ji2->data.gsharedvt_method->method;
1294 case MONO_PATCH_INFO_DELEGATE_TRAMPOLINE:
1295 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;
1296 case MONO_PATCH_INFO_CASTCLASS_CACHE:
1297 return ji1->data.index == ji2->data.index;
1298 case MONO_PATCH_INFO_VIRT_METHOD:
1299 return ji1->data.virt_method->klass == ji2->data.virt_method->klass && ji1->data.virt_method->method == ji2->data.virt_method->method;
1300 case MONO_PATCH_INFO_JIT_ICALL_ADDR:
1301 if (ji1->data.target == ji2->data.target)
1303 return strcmp (ji1->data.target, ji2->data.target) == 0 ? 1 : 0;
1305 if (ji1->data.target != ji2->data.target)
1314 mono_resolve_patch_target (MonoMethod *method, MonoDomain *domain, guint8 *code, MonoJumpInfo *patch_info, gboolean run_cctors)
1316 unsigned char *ip = patch_info->ip.i + code;
1317 gconstpointer target = NULL;
1319 switch (patch_info->type) {
1320 case MONO_PATCH_INFO_BB:
1322 * FIXME: This could be hit for methods without a prolog. Should use -1
1323 * but too much code depends on a 0 initial value.
1325 //g_assert (patch_info->data.bb->native_offset);
1326 target = patch_info->data.bb->native_offset + code;
1328 case MONO_PATCH_INFO_ABS:
1329 target = patch_info->data.target;
1331 case MONO_PATCH_INFO_LABEL:
1332 target = patch_info->data.inst->inst_c0 + code;
1334 case MONO_PATCH_INFO_IP:
1335 #if defined(__native_client__) && defined(__native_client_codegen__)
1336 /* Need to transform to the destination address, it's */
1337 /* emitted as an immediate in the code. */
1338 target = nacl_inverse_modify_patch_target(ip);
1343 case MONO_PATCH_INFO_METHOD_REL:
1344 target = code + patch_info->data.offset;
1346 case MONO_PATCH_INFO_INTERNAL_METHOD: {
1347 MonoJitICallInfo *mi = mono_find_jit_icall_by_name (patch_info->data.name);
1349 g_warning ("unknown MONO_PATCH_INFO_INTERNAL_METHOD %s", patch_info->data.name);
1350 g_assert_not_reached ();
1352 target = mono_icall_get_wrapper (mi);
1355 case MONO_PATCH_INFO_JIT_ICALL_ADDR: {
1356 MonoJitICallInfo *mi = mono_find_jit_icall_by_name (patch_info->data.name);
1358 g_warning ("unknown MONO_PATCH_INFO_JIT_ICALL_ADDR %s", patch_info->data.name);
1359 g_assert_not_reached ();
1364 case MONO_PATCH_INFO_METHOD_JUMP:
1365 target = mono_create_jump_trampoline (domain, patch_info->data.method, FALSE);
1366 #if defined(__native_client__) && defined(__native_client_codegen__)
1367 # if defined(TARGET_AMD64)
1368 /* This target is an absolute address, not relative to the */
1369 /* current code being emitted on AMD64. */
1370 target = nacl_inverse_modify_patch_target(target);
1374 case MONO_PATCH_INFO_METHOD:
1375 #if defined(__native_client_codegen__) && defined(USE_JUMP_TABLES)
1377 * If we use jumptables, for recursive calls we cannot
1378 * avoid trampoline, as we not yet know where we will
1381 target = mono_create_jit_trampoline_in_domain (domain, patch_info->data.method);
1383 if (patch_info->data.method == method) {
1386 /* get the trampoline to the method from the domain */
1387 target = mono_create_jit_trampoline_in_domain (domain, patch_info->data.method);
1391 case MONO_PATCH_INFO_METHOD_CODE_SLOT: {
1394 mono_domain_lock (domain);
1395 if (!domain_jit_info (domain)->method_code_hash)
1396 domain_jit_info (domain)->method_code_hash = g_hash_table_new (NULL, NULL);
1397 code_slot = g_hash_table_lookup (domain_jit_info (domain)->method_code_hash, patch_info->data.method);
1399 code_slot = mono_domain_alloc0 (domain, sizeof (gpointer));
1400 g_hash_table_insert (domain_jit_info (domain)->method_code_hash, patch_info->data.method, code_slot);
1402 mono_domain_unlock (domain);
1406 case MONO_PATCH_INFO_GC_SAFE_POINT_FLAG:
1407 #if defined(__native_client_codegen__)
1408 target = (gpointer)&__nacl_thread_suspension_needed;
1409 #elif defined (USE_COOP_GC)
1410 target = (gpointer)&mono_polling_required;
1412 g_error ("Unsuported patch target");
1415 case MONO_PATCH_INFO_SWITCH: {
1416 gpointer *jump_table;
1418 #if defined(__native_client__) && defined(__native_client_codegen__)
1419 /* This memory will leak, but we don't care if we're */
1420 /* not deleting JIT'd methods anyway */
1421 jump_table = g_malloc0 (sizeof(gpointer) * patch_info->data.table->table_size);
1423 if (method && method->dynamic) {
1424 jump_table = mono_code_manager_reserve (mono_dynamic_code_hash_lookup (domain, method)->code_mp, sizeof (gpointer) * patch_info->data.table->table_size);
1426 if (mono_aot_only) {
1427 jump_table = mono_domain_alloc (domain, sizeof (gpointer) * patch_info->data.table->table_size);
1429 jump_table = mono_domain_code_reserve (domain, sizeof (gpointer) * patch_info->data.table->table_size);
1434 for (i = 0; i < patch_info->data.table->table_size; i++) {
1435 #if defined(__native_client__) && defined(__native_client_codegen__)
1436 /* 'code' is relative to the current code blob, we */
1437 /* need to do this transform on it to make the */
1438 /* pointers in this table absolute */
1439 jump_table [i] = nacl_inverse_modify_patch_target (code) + GPOINTER_TO_INT (patch_info->data.table->table [i]);
1441 jump_table [i] = code + GPOINTER_TO_INT (patch_info->data.table->table [i]);
1445 #if defined(__native_client__) && defined(__native_client_codegen__)
1446 /* jump_table is in the data section, we need to transform */
1447 /* it here so when it gets modified in amd64_patch it will */
1448 /* then point back to the absolute data address */
1449 target = nacl_inverse_modify_patch_target (jump_table);
1451 target = jump_table;
1455 case MONO_PATCH_INFO_METHODCONST:
1456 case MONO_PATCH_INFO_CLASS:
1457 case MONO_PATCH_INFO_IMAGE:
1458 case MONO_PATCH_INFO_FIELD:
1459 case MONO_PATCH_INFO_SIGNATURE:
1460 target = patch_info->data.target;
1462 case MONO_PATCH_INFO_IID:
1463 mono_class_init (patch_info->data.klass);
1464 target = GINT_TO_POINTER ((int)patch_info->data.klass->interface_id);
1466 case MONO_PATCH_INFO_ADJUSTED_IID:
1467 mono_class_init (patch_info->data.klass);
1468 target = GINT_TO_POINTER ((int)(-((patch_info->data.klass->interface_id + 1) * SIZEOF_VOID_P)));
1470 case MONO_PATCH_INFO_VTABLE:
1471 target = mono_class_vtable (domain, patch_info->data.klass);
1474 case MONO_PATCH_INFO_DELEGATE_TRAMPOLINE: {
1475 MonoDelegateClassMethodPair *del_tramp = patch_info->data.del_tramp;
1477 if (del_tramp->virtual)
1478 target = mono_create_delegate_virtual_trampoline (domain, del_tramp->klass, del_tramp->method);
1480 target = mono_create_delegate_trampoline_info (domain, del_tramp->klass, del_tramp->method);
1483 case MONO_PATCH_INFO_SFLDA: {
1484 MonoVTable *vtable = mono_class_vtable (domain, patch_info->data.field->parent);
1486 if (mono_class_field_is_special_static (patch_info->data.field)) {
1487 gpointer addr = NULL;
1489 mono_domain_lock (domain);
1490 if (domain->special_static_fields)
1491 addr = g_hash_table_lookup (domain->special_static_fields, patch_info->data.field);
1492 mono_domain_unlock (domain);
1498 if (!vtable->initialized && !(vtable->klass->flags & TYPE_ATTRIBUTE_BEFORE_FIELD_INIT) && (method && mono_class_needs_cctor_run (vtable->klass, method)))
1499 /* Done by the generated code */
1503 mono_runtime_class_init (vtable);
1505 target = (char*)mono_vtable_get_static_field_data (vtable) + patch_info->data.field->offset;
1508 case MONO_PATCH_INFO_RVA: {
1509 guint32 field_index = mono_metadata_token_index (patch_info->data.token->token);
1512 mono_metadata_field_info (patch_info->data.token->image, field_index - 1, NULL, &rva, NULL);
1513 target = mono_image_rva_map (patch_info->data.token->image, rva);
1516 case MONO_PATCH_INFO_R4:
1517 case MONO_PATCH_INFO_R8:
1518 target = patch_info->data.target;
1520 case MONO_PATCH_INFO_EXC_NAME:
1521 target = patch_info->data.name;
1523 case MONO_PATCH_INFO_LDSTR:
1525 mono_ldstr (domain, patch_info->data.token->image,
1526 mono_metadata_token_index (patch_info->data.token->token));
1528 case MONO_PATCH_INFO_TYPE_FROM_HANDLE: {
1530 MonoClass *handle_class;
1533 handle = mono_ldtoken_checked (patch_info->data.token->image,
1534 patch_info->data.token->token, &handle_class, patch_info->data.token->has_context ? &patch_info->data.token->context : NULL, &error);
1535 if (!mono_error_ok (&error))
1536 g_error ("Could not patch ldtoken due to %s", mono_error_get_message (&error));
1537 mono_class_init (handle_class);
1538 mono_class_init (mono_class_from_mono_type (handle));
1541 mono_type_get_object (domain, handle);
1544 case MONO_PATCH_INFO_LDTOKEN: {
1546 MonoClass *handle_class;
1549 handle = mono_ldtoken_checked (patch_info->data.token->image,
1550 patch_info->data.token->token, &handle_class, patch_info->data.token->has_context ? &patch_info->data.token->context : NULL, &error);
1551 if (!mono_error_ok (&error))
1552 g_error ("Could not patch ldtoken due to %s", mono_error_get_message (&error));
1553 mono_class_init (handle_class);
1558 case MONO_PATCH_INFO_DECLSEC:
1559 target = (mono_metadata_blob_heap (patch_info->data.token->image, patch_info->data.token->token) + 2);
1561 case MONO_PATCH_INFO_ICALL_ADDR:
1562 /* run_cctors == 0 -> AOT */
1563 if (patch_info->data.method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL) {
1564 const char *exc_class;
1565 const char *exc_arg;
1568 target = mono_lookup_pinvoke_call (patch_info->data.method, &exc_class, &exc_arg);
1571 mono_raise_exception (mono_exception_from_name_msg (mono_defaults.corlib, "System", exc_class, exc_arg));
1572 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));
1578 target = mono_lookup_internal_call (patch_info->data.method);
1580 if (!target && run_cctors)
1581 g_error ("Unregistered icall '%s'\n", mono_method_full_name (patch_info->data.method, TRUE));
1584 case MONO_PATCH_INFO_INTERRUPTION_REQUEST_FLAG:
1585 target = mono_thread_interruption_request_flag ();
1587 case MONO_PATCH_INFO_METHOD_RGCTX: {
1588 MonoVTable *vtable = mono_class_vtable (domain, patch_info->data.method->klass);
1591 target = mono_method_lookup_rgctx (vtable, mini_method_get_context (patch_info->data.method)->method_inst);
1594 case MONO_PATCH_INFO_BB_OVF:
1595 case MONO_PATCH_INFO_EXC_OVF:
1596 case MONO_PATCH_INFO_GOT_OFFSET:
1597 case MONO_PATCH_INFO_NONE:
1599 case MONO_PATCH_INFO_RGCTX_FETCH: {
1600 int slot = mini_get_rgctx_entry_slot (patch_info->data.rgctx_entry);
1602 target = mono_create_rgctx_lazy_fetch_trampoline (slot);
1605 #ifdef MONO_ARCH_SOFT_DEBUG_SUPPORTED
1606 case MONO_PATCH_INFO_SEQ_POINT_INFO:
1608 /* AOT, not needed */
1611 target = mono_arch_get_seq_point_info (domain, code);
1614 case MONO_PATCH_INFO_LLVM_IMT_TRAMPOLINE:
1615 #ifdef MONO_ARCH_LLVM_SUPPORTED
1616 g_assert (mono_use_llvm);
1617 target = mono_create_llvm_imt_trampoline (domain, patch_info->data.imt_tramp->method, patch_info->data.imt_tramp->vt_offset);
1619 g_assert_not_reached ();
1622 case MONO_PATCH_INFO_GC_CARD_TABLE_ADDR: {
1623 int card_table_shift_bits;
1624 gpointer card_table_mask;
1626 target = mono_gc_get_card_table (&card_table_shift_bits, &card_table_mask);
1629 case MONO_PATCH_INFO_GC_NURSERY_START: {
1633 target = mono_gc_get_nursery (&shift_bits, &size);
1636 case MONO_PATCH_INFO_CASTCLASS_CACHE: {
1637 target = mono_domain_alloc0 (domain, sizeof (gpointer));
1640 case MONO_PATCH_INFO_JIT_TLS_ID: {
1641 target = (gpointer) (size_t) mono_jit_tls_id;
1644 case MONO_PATCH_INFO_TLS_OFFSET: {
1647 offset = mini_get_tls_offset (GPOINTER_TO_INT (patch_info->data.target));
1648 #ifdef MONO_ARCH_HAVE_TRANSLATE_TLS_OFFSET
1649 offset = mono_arch_translate_tls_offset (offset);
1651 target = GINT_TO_POINTER (offset);
1654 case MONO_PATCH_INFO_OBJC_SELECTOR_REF: {
1658 case MONO_PATCH_INFO_LDSTR_LIT: {
1662 len = strlen (patch_info->data.target);
1663 s = mono_domain_alloc0 (domain, len + 1);
1664 memcpy (s, patch_info->data.target, len);
1670 g_assert_not_reached ();
1673 return (gpointer)target;
1677 mini_init_gsctx (MonoDomain *domain, MonoMemPool *mp, MonoGenericContext *context, MonoGenericSharingContext *gsctx)
1679 MonoGenericInst *inst;
1682 memset (gsctx, 0, sizeof (MonoGenericSharingContext));
1684 if (context && context->class_inst) {
1685 inst = context->class_inst;
1686 for (i = 0; i < inst->type_argc; ++i) {
1687 MonoType *type = inst->type_argv [i];
1689 if (mini_is_gsharedvt_gparam (type))
1690 gsctx->is_gsharedvt = TRUE;
1693 if (context && context->method_inst) {
1694 inst = context->method_inst;
1696 for (i = 0; i < inst->type_argc; ++i) {
1697 MonoType *type = inst->type_argv [i];
1699 if (mini_is_gsharedvt_gparam (type))
1700 gsctx->is_gsharedvt = TRUE;
1706 * LOCKING: Acquires the jit code hash lock.
1709 mini_lookup_method (MonoDomain *domain, MonoMethod *method, MonoMethod *shared)
1712 static gboolean inited = FALSE;
1713 static int lookups = 0;
1714 static int failed_lookups = 0;
1716 mono_domain_jit_code_hash_lock (domain);
1717 ji = mono_internal_hash_table_lookup (&domain->jit_code_hash, method);
1718 if (!ji && shared) {
1719 /* Try generic sharing */
1720 ji = mono_internal_hash_table_lookup (&domain->jit_code_hash, shared);
1721 if (ji && !ji->has_generic_jit_info)
1724 mono_counters_register ("Shared generic lookups", MONO_COUNTER_INT|MONO_COUNTER_GENERICS, &lookups);
1725 mono_counters_register ("Failed shared generic lookups", MONO_COUNTER_INT|MONO_COUNTER_GENERICS, &failed_lookups);
1733 mono_domain_jit_code_hash_unlock (domain);
1739 lookup_method (MonoDomain *domain, MonoMethod *method)
1744 ji = mini_lookup_method (domain, method, NULL);
1747 if (!mono_method_is_generic_sharable (method, FALSE))
1749 shared = mini_get_shared_method (method);
1750 ji = mini_lookup_method (domain, method, shared);
1757 mono_get_jit_info_from_method (MonoDomain *domain, MonoMethod *method)
1759 return lookup_method (domain, method);
1763 static FILE* perf_map_file;
1766 mono_enable_jit_map (void)
1768 if (!perf_map_file) {
1770 g_snprintf (name, sizeof (name), "/tmp/perf-%d.map", getpid ());
1772 perf_map_file = fopen (name, "w");
1777 mono_emit_jit_tramp (void *start, int size, const char *desc)
1780 fprintf (perf_map_file, "%llx %x %s\n", (long long unsigned int)(gsize)start, size, desc);
1784 mono_emit_jit_map (MonoJitInfo *jinfo)
1786 if (perf_map_file) {
1787 char *name = mono_method_full_name (jinfo_get_method (jinfo), TRUE);
1788 mono_emit_jit_tramp (jinfo->code_start, jinfo->code_size, name);
1794 mono_jit_map_is_enabled (void)
1796 return perf_map_file != NULL;
1802 mono_jit_compile_method_with_opt (MonoMethod *method, guint32 opt, MonoException **ex)
1804 MonoDomain *target_domain, *domain = mono_domain_get ();
1806 gpointer code = NULL, p;
1808 MonoJitICallInfo *callinfo = NULL;
1809 WrapperInfo *winfo = NULL;
1812 * ICALL wrappers are handled specially, since there is only one copy of them
1813 * shared by all appdomains.
1815 if (method->wrapper_type == MONO_WRAPPER_MANAGED_TO_NATIVE)
1816 winfo = mono_marshal_get_wrapper_info (method);
1817 if (winfo && winfo->subtype == WRAPPER_SUBTYPE_ICALL_WRAPPER) {
1818 callinfo = mono_find_jit_icall_by_addr (winfo->d.icall.func);
1819 g_assert (callinfo);
1821 /* Must be domain neutral since there is only one copy */
1822 opt |= MONO_OPT_SHARED;
1825 if (method->dynamic)
1826 opt &= ~MONO_OPT_SHARED;
1828 /* These methods can become invalid when a domain is unloaded */
1829 if (method->klass->image != mono_get_corlib () || method->is_inflated)
1830 opt &= ~MONO_OPT_SHARED;
1832 if (opt & MONO_OPT_SHARED)
1833 target_domain = mono_get_root_domain ();
1835 target_domain = domain;
1837 if (method->wrapper_type == MONO_WRAPPER_UNKNOWN) {
1838 WrapperInfo *info = mono_marshal_get_wrapper_info (method);
1841 if (info->subtype == WRAPPER_SUBTYPE_SYNCHRONIZED_INNER) {
1842 MonoGenericContext *ctx = NULL;
1843 if (method->is_inflated)
1844 ctx = mono_method_get_context (method);
1845 method = info->d.synchronized_inner.method;
1848 method = mono_class_inflate_generic_method_checked (method, ctx, &error);
1849 g_assert (mono_error_ok (&error)); /* FIXME don't swallow the error */
1854 info = lookup_method (target_domain, method);
1856 /* We can't use a domain specific method in another domain */
1857 if (! ((domain != target_domain) && !info->domain_neutral)) {
1859 MonoException *tmpEx;
1861 mono_jit_stats.methods_lookups++;
1862 vtable = mono_class_vtable (domain, method->klass);
1864 tmpEx = mono_runtime_class_init_full (vtable, ex == NULL);
1869 return mono_create_ftnptr (target_domain, info->code_start);
1873 #ifdef MONO_USE_AOT_COMPILER
1874 if (opt & MONO_OPT_AOT) {
1875 MonoDomain *domain = mono_domain_get ();
1877 mono_class_init (method->klass);
1879 if ((code = mono_aot_get_method (domain, method))) {
1882 vtable = mono_class_vtable (domain, method->klass);
1884 mono_runtime_class_init (vtable);
1890 code = mono_jit_compile_method_inner (method, target_domain, opt, ex);
1894 if (method->wrapper_type == MONO_WRAPPER_WRITE_BARRIER || method->wrapper_type == MONO_WRAPPER_ALLOC) {
1898 * SGEN requires the JIT info for these methods to be registered, see is_ip_in_managed_allocator ().
1900 ji = mini_jit_info_table_find (mono_domain_get (), code, &d);
1904 p = mono_create_ftnptr (target_domain, code);
1907 /*mono_register_jit_icall_wrapper takes the loader lock, so we take it on the outside. */
1908 mono_loader_lock ();
1910 if (!callinfo->wrapper) {
1911 callinfo->wrapper = p;
1912 mono_register_jit_icall_wrapper (callinfo, p);
1915 mono_loader_unlock ();
1922 mono_jit_compile_method (MonoMethod *method)
1924 MonoException *ex = NULL;
1927 code = mono_jit_compile_method_with_opt (method, mono_get_optimizations_for_method (method, default_opt), &ex);
1930 mono_raise_exception (ex);
1936 #ifdef MONO_ARCH_HAVE_INVALIDATE_METHOD
1938 invalidated_delegate_trampoline (char *desc)
1940 g_error ("Unmanaged code called delegate of type %s which was already garbage collected.\n"
1941 "See http://www.mono-project.com/Diagnostic:Delegate for an explanation and ways to fix this.",
1947 * mono_jit_free_method:
1949 * Free all memory allocated by the JIT for METHOD.
1952 mono_jit_free_method (MonoDomain *domain, MonoMethod *method)
1954 MonoJitDynamicMethodInfo *ji;
1955 gboolean destroy = TRUE;
1956 GHashTableIter iter;
1957 MonoJumpList *jlist;
1959 g_assert (method->dynamic);
1961 mono_domain_lock (domain);
1962 ji = mono_dynamic_code_hash_lookup (domain, method);
1963 mono_domain_unlock (domain);
1968 mono_debug_remove_method (method, domain);
1970 mono_domain_lock (domain);
1971 g_hash_table_remove (domain_jit_info (domain)->dynamic_code_hash, method);
1972 mono_domain_jit_code_hash_lock (domain);
1973 mono_internal_hash_table_remove (&domain->jit_code_hash, method);
1974 mono_domain_jit_code_hash_unlock (domain);
1975 g_hash_table_remove (domain_jit_info (domain)->jump_trampoline_hash, method);
1977 /* requires the domain lock - took above */
1978 mono_conc_hashtable_remove (domain_jit_info (domain)->runtime_invoke_hash, method);
1980 /* Remove jump targets in this method */
1981 g_hash_table_iter_init (&iter, domain_jit_info (domain)->jump_target_hash);
1982 while (g_hash_table_iter_next (&iter, NULL, (void**)&jlist)) {
1983 GSList *tmp, *remove;
1986 for (tmp = jlist->list; tmp; tmp = tmp->next) {
1987 guint8 *ip = tmp->data;
1989 if (ip >= (guint8*)ji->ji->code_start && ip < (guint8*)ji->ji->code_start + ji->ji->code_size)
1990 remove = g_slist_prepend (remove, tmp);
1992 for (tmp = remove; tmp; tmp = tmp->next) {
1993 jlist->list = g_slist_delete_link (jlist->list, tmp->data);
1995 g_slist_free (remove);
1998 mono_domain_unlock (domain);
2000 #ifdef MONO_ARCH_HAVE_INVALIDATE_METHOD
2001 if (debug_options.keep_delegates && method->wrapper_type == MONO_WRAPPER_NATIVE_TO_MANAGED) {
2003 * Instead of freeing the code, change it to call an error routine
2004 * so people can fix their code.
2006 char *type = mono_type_full_name (&method->klass->byval_arg);
2007 char *type_and_method = g_strdup_printf ("%s.%s", type, method->name);
2010 mono_arch_invalidate_method (ji->ji, invalidated_delegate_trampoline, type_and_method);
2016 * This needs to be done before freeing code_mp, since the code address is the
2017 * key in the table, so if we free the code_mp first, another thread can grab the
2018 * same code address and replace our entry in the table.
2020 mono_jit_info_table_remove (domain, ji->ji);
2023 mono_code_manager_destroy (ji->code_mp);
2028 mono_jit_find_compiled_method_with_jit_info (MonoDomain *domain, MonoMethod *method, MonoJitInfo **ji)
2030 MonoDomain *target_domain;
2033 if (default_opt & MONO_OPT_SHARED)
2034 target_domain = mono_get_root_domain ();
2036 target_domain = domain;
2038 info = lookup_method (target_domain, method);
2040 /* We can't use a domain specific method in another domain */
2041 if (! ((domain != target_domain) && !info->domain_neutral)) {
2042 mono_jit_stats.methods_lookups++;
2045 return info->code_start;
2054 gboolean mono_do_single_method_regression = FALSE;
2055 guint32 mono_single_method_regression_opt = 0;
2056 MonoMethod *mono_current_single_method;
2057 GSList *mono_single_method_list;
2058 GHashTable *mono_single_method_hash;
2061 mono_get_optimizations_for_method (MonoMethod *method, guint32 default_opt)
2065 if (!mono_do_single_method_regression)
2067 if (!mono_current_single_method) {
2068 if (!mono_single_method_hash)
2069 mono_single_method_hash = g_hash_table_new (g_direct_hash, g_direct_equal);
2070 if (!g_hash_table_lookup (mono_single_method_hash, method)) {
2071 g_hash_table_insert (mono_single_method_hash, method, method);
2072 mono_single_method_list = g_slist_prepend (mono_single_method_list, method);
2076 if (method == mono_current_single_method)
2077 return mono_single_method_regression_opt;
2082 mono_jit_find_compiled_method (MonoDomain *domain, MonoMethod *method)
2084 return mono_jit_find_compiled_method_with_jit_info (domain, method, NULL);
2089 gpointer compiled_method;
2090 gpointer runtime_invoke;
2092 MonoDynCallInfo *dyn_call_info;
2093 MonoClass *ret_box_class;
2094 } RuntimeInvokeInfo;
2097 * mono_jit_runtime_invoke:
2098 * @method: the method to invoke
2099 * @obj: this pointer
2100 * @params: array of parameter values.
2101 * @exc: used to catch exceptions objects
2104 mono_jit_runtime_invoke (MonoMethod *method, void *obj, void **params, MonoObject **exc)
2106 MonoMethod *invoke, *callee;
2107 MonoObject *(*runtime_invoke) (MonoObject *this, void **params, MonoObject **exc, void* compiled_method);
2108 MonoDomain *domain = mono_domain_get ();
2109 MonoJitDomainInfo *domain_info;
2110 RuntimeInvokeInfo *info, *info2;
2112 if (obj == NULL && !(method->flags & METHOD_ATTRIBUTE_STATIC) && !method->string_ctor && (method->wrapper_type == 0)) {
2113 g_warning ("Ignoring invocation of an instance method on a NULL instance.\n");
2117 domain_info = domain_jit_info (domain);
2119 info = mono_conc_hashtable_lookup (domain_info->runtime_invoke_hash, method);
2122 if (mono_security_core_clr_enabled ()) {
2124 * This might be redundant since mono_class_vtable () already does this,
2125 * but keep it just in case for moonlight.
2127 mono_class_setup_vtable (method->klass);
2128 if (method->klass->exception_type != MONO_EXCEPTION_NONE) {
2130 *exc = (MonoObject*)mono_class_get_exception_for_failure (method->klass);
2132 mono_raise_exception (mono_class_get_exception_for_failure (method->klass));
2137 info = g_new0 (RuntimeInvokeInfo, 1);
2139 invoke = mono_marshal_get_runtime_invoke (method, FALSE);
2140 info->vtable = mono_class_vtable_full (domain, method->klass, TRUE);
2141 g_assert (info->vtable);
2144 if (method->klass->rank && (method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) &&
2145 (method->iflags & METHOD_IMPL_ATTRIBUTE_NATIVE)) {
2147 * Array Get/Set/Address methods. The JIT implements them using inline code
2148 * inside the runtime invoke wrappers, so no need to compile them.
2150 if (mono_aot_only) {
2152 * Call a wrapper, since the runtime invoke wrapper was not generated.
2154 MonoMethod *wrapper;
2156 wrapper = mono_marshal_get_array_accessor_wrapper (method);
2157 invoke = mono_marshal_get_runtime_invoke (wrapper, FALSE);
2165 MonoException *jit_ex = NULL;
2167 info->compiled_method = mono_jit_compile_method_with_opt (callee, mono_get_optimizations_for_method (callee, default_opt), &jit_ex);
2168 if (!info->compiled_method) {
2172 *exc = (MonoObject*)jit_ex;
2175 mono_raise_exception (jit_ex);
2176 /* coverity[unreachable] */
2180 info->compiled_method = mini_add_method_trampoline (callee, info->compiled_method, mono_method_needs_static_rgctx_invoke (callee, TRUE), FALSE);
2182 info->compiled_method = NULL;
2186 * We want to avoid AOTing 1000s of runtime-invoke wrappers when running
2187 * in full-aot mode, so we use a slower, but more generic wrapper if
2188 * possible, built on top of the OP_DYN_CALL opcode provided by the JIT.
2190 #ifdef MONO_ARCH_DYN_CALL_SUPPORTED
2191 if (mono_aot_only || debug_options.dyn_runtime_invoke) {
2193 MonoMethodSignature *sig = mono_method_signature (method);
2194 gboolean supported = TRUE;
2197 if (method->string_ctor)
2198 sig = mono_marshal_get_string_ctor_signature (method);
2200 for (i = 0; i < sig->param_count; ++i) {
2201 MonoType *t = sig->params [i];
2203 if (t->byref && t->type == MONO_TYPE_GENERICINST && mono_class_is_nullable (mono_class_from_mono_type (t)))
2207 if (mono_class_is_contextbound (method->klass) || !info->compiled_method)
2211 info->dyn_call_info = mono_arch_dyn_call_prepare (sig);
2213 ret_type = sig->ret;
2214 if (info->dyn_call_info) {
2215 switch (ret_type->type) {
2216 case MONO_TYPE_VOID:
2228 case MONO_TYPE_BOOLEAN:
2229 case MONO_TYPE_CHAR:
2232 info->ret_box_class = mono_class_from_mono_type (ret_type);
2235 info->ret_box_class = mono_defaults.int_class;
2237 case MONO_TYPE_STRING:
2238 case MONO_TYPE_CLASS:
2239 case MONO_TYPE_ARRAY:
2240 case MONO_TYPE_SZARRAY:
2241 case MONO_TYPE_OBJECT:
2243 case MONO_TYPE_GENERICINST:
2244 if (!MONO_TYPE_IS_REFERENCE (ret_type))
2245 info->ret_box_class = mono_class_from_mono_type (ret_type);
2247 case MONO_TYPE_VALUETYPE:
2248 info->ret_box_class = mono_class_from_mono_type (ret_type);
2251 g_assert_not_reached ();
2258 if (!info->dyn_call_info)
2259 info->runtime_invoke = mono_jit_compile_method (invoke);
2261 mono_domain_lock (domain);
2262 info2 = mono_conc_hashtable_insert (domain_info->runtime_invoke_hash, method, info);
2263 mono_domain_unlock (domain);
2270 runtime_invoke = info->runtime_invoke;
2273 * We need this here because mono_marshal_get_runtime_invoke can place
2274 * the helper method in System.Object and not the target class.
2277 *exc = (MonoObject*)mono_runtime_class_init_full (info->vtable, FALSE);
2281 mono_runtime_class_init (info->vtable);
2284 /* The wrappers expect this to be initialized to NULL */
2288 #ifdef MONO_ARCH_DYN_CALL_SUPPORTED
2289 if (info->dyn_call_info) {
2290 MonoMethodSignature *sig = mono_method_signature (method);
2292 static RuntimeInvokeDynamicFunction dyn_runtime_invoke;
2295 guint8 retval [256];
2297 if (!dyn_runtime_invoke) {
2298 invoke = mono_marshal_get_runtime_invoke_dynamic ();
2299 dyn_runtime_invoke = mono_jit_compile_method (invoke);
2302 /* Convert the arguments to the format expected by start_dyn_call () */
2303 args = g_alloca ((sig->param_count + sig->hasthis) * sizeof (gpointer));
2306 args [pindex ++] = &obj;
2307 for (i = 0; i < sig->param_count; ++i) {
2308 MonoType *t = sig->params [i];
2311 args [pindex ++] = ¶ms [i];
2312 } else if (MONO_TYPE_IS_REFERENCE (t) || t->type == MONO_TYPE_PTR) {
2313 args [pindex ++] = ¶ms [i];
2315 args [pindex ++] = params [i];
2319 //printf ("M: %s\n", mono_method_full_name (method, TRUE));
2321 mono_arch_start_dyn_call (info->dyn_call_info, (gpointer**)args, retval, buf, sizeof (buf));
2323 dyn_runtime_invoke (buf, exc, info->compiled_method);
2325 mono_arch_finish_dyn_call (info->dyn_call_info, buf);
2327 if (info->ret_box_class)
2328 return mono_value_box (domain, info->ret_box_class, retval);
2330 return *(MonoObject**)retval;
2334 return runtime_invoke (obj, params, exc, info->compiled_method);
2337 MONO_SIG_HANDLER_FUNC (, mono_sigfpe_signal_handler)
2339 MonoException *exc = NULL;
2341 MONO_SIG_HANDLER_INFO_TYPE *info = MONO_SIG_HANDLER_GET_INFO ();
2342 MONO_SIG_HANDLER_GET_CONTEXT;
2344 ji = mono_jit_info_table_find_internal (mono_domain_get (), mono_arch_ip_from_context (ctx), TRUE, TRUE);
2346 #if defined(MONO_ARCH_HAVE_IS_INT_OVERFLOW)
2347 if (mono_arch_is_int_overflow (ctx, info))
2349 * The spec says this throws ArithmeticException, but MS throws the derived
2350 * OverflowException.
2352 exc = mono_get_exception_overflow ();
2354 exc = mono_get_exception_divide_by_zero ();
2356 exc = mono_get_exception_divide_by_zero ();
2360 if (!mono_do_crash_chaining && mono_chain_signal (MONO_SIG_HANDLER_PARAMS))
2363 mono_handle_native_sigsegv (SIGSEGV, ctx, info);
2364 if (mono_do_crash_chaining) {
2365 mono_chain_signal (MONO_SIG_HANDLER_PARAMS);
2370 mono_arch_handle_exception (ctx, exc);
2373 MONO_SIG_HANDLER_FUNC (, mono_sigill_signal_handler)
2376 MONO_SIG_HANDLER_GET_CONTEXT;
2378 exc = mono_get_exception_execution_engine ("SIGILL");
2380 mono_arch_handle_exception (ctx, exc);
2383 #if defined(MONO_ARCH_USE_SIGACTION) || defined(HOST_WIN32)
2384 #define HAVE_SIG_INFO
2387 MONO_SIG_HANDLER_FUNC (, mono_sigsegv_signal_handler)
2390 MonoJitTlsData *jit_tls = mono_native_tls_get_value (mono_jit_tls_id);
2391 gpointer fault_addr = NULL;
2392 #ifdef HAVE_SIG_INFO
2393 MONO_SIG_HANDLER_INFO_TYPE *info = MONO_SIG_HANDLER_GET_INFO ();
2397 MONO_SIG_HANDLER_GET_CONTEXT;
2399 #if defined(MONO_ARCH_SOFT_DEBUG_SUPPORTED) && defined(HAVE_SIG_INFO)
2400 if (mono_arch_is_single_step_event (info, ctx)) {
2401 mono_debugger_agent_single_step_event (ctx);
2403 } else if (mono_arch_is_breakpoint_event (info, ctx)) {
2404 mono_debugger_agent_breakpoint_hit (ctx);
2409 #if defined(HAVE_SIG_INFO)
2410 #if !defined(HOST_WIN32)
2411 fault_addr = info->si_addr;
2412 if (mono_aot_is_pagefault (info->si_addr)) {
2413 mono_aot_handle_pagefault (info->si_addr);
2418 /* The thread might no be registered with the runtime */
2419 if (!mono_domain_get () || !jit_tls) {
2420 if (!mono_do_crash_chaining && mono_chain_signal (MONO_SIG_HANDLER_PARAMS))
2422 mono_handle_native_sigsegv (SIGSEGV, ctx, info);
2423 if (mono_do_crash_chaining) {
2424 mono_chain_signal (MONO_SIG_HANDLER_PARAMS);
2430 ji = mono_jit_info_table_find_internal (mono_domain_get (), mono_arch_ip_from_context (ctx), TRUE, TRUE);
2432 #ifdef MONO_ARCH_SIGSEGV_ON_ALTSTACK
2433 if (mono_handle_soft_stack_ovf (jit_tls, ji, ctx, info, (guint8*)info->si_addr))
2436 #ifdef MONO_ARCH_HAVE_SIGCTX_TO_MONOCTX
2437 /* info->si_addr seems to be NULL on some kernels when handling stack overflows */
2438 fault_addr = info->si_addr;
2439 if (fault_addr == NULL) {
2442 mono_sigctx_to_monoctx (ctx, &mctx);
2444 fault_addr = MONO_CONTEXT_GET_SP (&mctx);
2448 if (jit_tls->stack_size &&
2449 ABS ((guint8*)fault_addr - ((guint8*)jit_tls->end_of_stack - jit_tls->stack_size)) < 8192 * sizeof (gpointer)) {
2451 * The hard-guard page has been hit: there is not much we can do anymore
2452 * Print a hopefully clear message and abort.
2454 mono_handle_hard_stack_ovf (jit_tls, ji, ctx, (guint8*)info->si_addr);
2455 g_assert_not_reached ();
2457 /* The original handler might not like that it is executed on an altstack... */
2458 if (!ji && mono_chain_signal (MONO_SIG_HANDLER_PARAMS))
2461 mono_arch_handle_altstack_exception (ctx, info, info->si_addr, FALSE);
2466 if (!mono_do_crash_chaining && mono_chain_signal (MONO_SIG_HANDLER_PARAMS))
2469 mono_handle_native_sigsegv (SIGSEGV, ctx, info);
2471 if (mono_do_crash_chaining) {
2472 mono_chain_signal (MONO_SIG_HANDLER_PARAMS);
2477 mono_arch_handle_exception (ctx, NULL);
2481 MONO_SIG_HANDLER_FUNC (, mono_sigint_signal_handler)
2484 MONO_SIG_HANDLER_GET_CONTEXT;
2486 exc = mono_get_exception_execution_engine ("Interrupted (SIGINT).");
2488 mono_arch_handle_exception (ctx, exc);
2491 #ifndef DISABLE_REMOTING
2492 /* mono_jit_create_remoting_trampoline:
2493 * @method: pointer to the method info
2495 * Creates a trampoline which calls the remoting functions. This
2496 * is used in the vtable of transparent proxies.
2498 * Returns: a pointer to the newly created code
2501 mono_jit_create_remoting_trampoline (MonoDomain *domain, MonoMethod *method, MonoRemotingTarget target)
2504 guint8 *addr = NULL;
2506 if ((method->flags & METHOD_ATTRIBUTE_VIRTUAL) && mono_method_signature (method)->generic_param_count) {
2507 return mono_create_specific_trampoline (method, MONO_TRAMPOLINE_GENERIC_VIRTUAL_REMOTING,
2511 if ((method->flags & METHOD_ATTRIBUTE_ABSTRACT) ||
2512 (mono_method_signature (method)->hasthis && (mono_class_is_marshalbyref (method->klass) || method->klass == mono_defaults.object_class))) {
2513 nm = mono_marshal_get_remoting_invoke_for_target (method, target);
2514 addr = mono_compile_method (nm);
2517 addr = mono_compile_method (method);
2519 return mono_get_addr_from_ftnptr (addr);
2523 static gpointer *vtable_trampolines;
2524 static int vtable_trampolines_size;
2527 mini_get_vtable_trampoline (int slot_index)
2529 int index = slot_index + MONO_IMT_SIZE;
2531 g_assert (slot_index >= - MONO_IMT_SIZE);
2532 if (!vtable_trampolines || slot_index + MONO_IMT_SIZE >= vtable_trampolines_size) {
2534 if (!vtable_trampolines || index >= vtable_trampolines_size) {
2538 new_size = vtable_trampolines_size ? vtable_trampolines_size * 2 : 128;
2539 while (new_size <= index)
2541 new_table = g_new0 (gpointer, new_size);
2543 if (vtable_trampolines)
2544 memcpy (new_table, vtable_trampolines, vtable_trampolines_size * sizeof (gpointer));
2545 g_free (vtable_trampolines);
2546 mono_memory_barrier ();
2547 vtable_trampolines = new_table;
2548 vtable_trampolines_size = new_size;
2553 if (!vtable_trampolines [index])
2554 vtable_trampolines [index] = mono_create_specific_trampoline (GUINT_TO_POINTER (slot_index), MONO_TRAMPOLINE_VCALL, mono_get_root_domain (), NULL);
2555 return vtable_trampolines [index];
2559 mono_get_delegate_virtual_invoke_impl (MonoMethodSignature *sig, MonoMethod *method)
2561 gboolean is_virtual_generic, is_interface, load_imt_reg;
2564 static guint8 **cache = NULL;
2565 static int cache_size = 0;
2570 if (MONO_TYPE_ISSTRUCT (sig->ret))
2573 is_virtual_generic = method->is_inflated && mono_method_get_declaring_generic_method (method)->is_generic;
2574 is_interface = method->klass->flags & TYPE_ATTRIBUTE_INTERFACE ? TRUE : FALSE;
2575 load_imt_reg = is_virtual_generic || is_interface;
2577 if (is_interface && !is_virtual_generic)
2578 offset = ((gint32)mono_method_get_imt_slot (method) - MONO_IMT_SIZE) * SIZEOF_VOID_P;
2580 offset = G_STRUCT_OFFSET (MonoVTable, vtable) + ((mono_method_get_vtable_index (method)) * (SIZEOF_VOID_P));
2582 idx = (offset / SIZEOF_VOID_P + MONO_IMT_SIZE) * 2 + (load_imt_reg ? 1 : 0);
2583 g_assert (idx >= 0);
2585 /* Resize the cache to idx + 1 */
2586 if (cache_size < idx + 1) {
2588 if (cache_size < idx + 1) {
2590 int new_cache_size = idx + 1;
2592 new_cache = g_new0 (guint8*, new_cache_size);
2594 memcpy (new_cache, cache, cache_size * sizeof (guint8*));
2597 mono_memory_barrier ();
2599 cache_size = new_cache_size;
2607 /* FIXME Support more cases */
2608 if (mono_aot_only) {
2609 char tramp_name [256];
2610 const char *imt = load_imt_reg ? "_imt" : "";
2611 int ind = (load_imt_reg ? (-offset) : offset) / SIZEOF_VOID_P;
2613 sprintf (tramp_name, "delegate_virtual_invoke%s_%d", imt, ind);
2614 cache [idx] = mono_aot_get_trampoline (tramp_name);
2615 g_assert (cache [idx]);
2617 cache [idx] = mono_arch_get_delegate_virtual_invoke_impl (sig, method, offset, load_imt_reg);
2623 mini_get_imt_trampoline (int slot_index)
2625 return mini_get_vtable_trampoline (slot_index - MONO_IMT_SIZE);
2629 mini_parse_debug_options (void)
2631 const char *options = g_getenv ("MONO_DEBUG");
2632 gchar **args, **ptr;
2637 args = g_strsplit (options, ",", -1);
2639 for (ptr = args; ptr && *ptr; ptr++) {
2640 const char *arg = *ptr;
2642 if (!strcmp (arg, "handle-sigint"))
2643 debug_options.handle_sigint = TRUE;
2644 else if (!strcmp (arg, "keep-delegates"))
2645 debug_options.keep_delegates = TRUE;
2646 else if (!strcmp (arg, "reverse-pinvoke-exceptions"))
2647 debug_options.reverse_pinvoke_exceptions = TRUE;
2648 else if (!strcmp (arg, "collect-pagefault-stats"))
2649 debug_options.collect_pagefault_stats = TRUE;
2650 else if (!strcmp (arg, "break-on-unverified"))
2651 debug_options.break_on_unverified = TRUE;
2652 else if (!strcmp (arg, "no-gdb-backtrace"))
2653 debug_options.no_gdb_backtrace = TRUE;
2654 else if (!strcmp (arg, "suspend-on-sigsegv"))
2655 debug_options.suspend_on_sigsegv = TRUE;
2656 else if (!strcmp (arg, "suspend-on-exception"))
2657 debug_options.suspend_on_exception = TRUE;
2658 else if (!strcmp (arg, "suspend-on-unhandled"))
2659 debug_options.suspend_on_unhandled = TRUE;
2660 else if (!strcmp (arg, "dont-free-domains"))
2661 mono_dont_free_domains = TRUE;
2662 else if (!strcmp (arg, "dyn-runtime-invoke"))
2663 debug_options.dyn_runtime_invoke = TRUE;
2664 else if (!strcmp (arg, "gdb"))
2665 debug_options.gdb = TRUE;
2666 else if (!strcmp (arg, "explicit-null-checks"))
2667 debug_options.explicit_null_checks = TRUE;
2668 else if (!strcmp (arg, "gen-seq-points"))
2669 debug_options.gen_sdb_seq_points = TRUE;
2670 else if (!strcmp (arg, "gen-compact-seq-points"))
2671 debug_options.gen_seq_points_compact_data = TRUE;
2672 else if (!strcmp (arg, "init-stacks"))
2673 debug_options.init_stacks = TRUE;
2674 else if (!strcmp (arg, "casts"))
2675 debug_options.better_cast_details = TRUE;
2676 else if (!strcmp (arg, "soft-breakpoints"))
2677 debug_options.soft_breakpoints = TRUE;
2678 else if (!strcmp (arg, "check-pinvoke-callconv"))
2679 debug_options.check_pinvoke_callconv = TRUE;
2680 else if (!strcmp (arg, "arm-use-fallback-tls"))
2681 debug_options.arm_use_fallback_tls = TRUE;
2682 else if (!strcmp (arg, "debug-domain-unload"))
2683 mono_enable_debug_domain_unload (TRUE);
2684 else if (!strcmp (arg, "partial-sharing"))
2685 mono_set_partial_sharing_supported (TRUE);
2686 else if (!strcmp (arg, "align-small-structs"))
2687 mono_align_small_structs = TRUE;
2689 fprintf (stderr, "Invalid option for the MONO_DEBUG env variable: %s\n", arg);
2690 fprintf (stderr, "Available options: 'handle-sigint', 'keep-delegates', 'reverse-pinvoke-exceptions', 'collect-pagefault-stats', 'break-on-unverified', 'no-gdb-backtrace', 'dont-free-domains', 'suspend-on-sigsegv', 'suspend-on-exception', 'suspend-on-unhandled', 'dyn-runtime-invoke', 'gdb', 'explicit-null-checks', 'init-stacks', 'check-pinvoke-callconv', 'arm-use-fallback-tls', 'debug-domain-unload', 'partial-sharing', 'align-small-structs'\n");
2699 mini_get_debug_options (void)
2701 return &debug_options;
2705 mini_create_ftnptr (MonoDomain *domain, gpointer addr)
2707 #if !defined(__ia64__) && (!defined(__ppc64__) && !defined(__powerpc64__) || _CALL_ELF == 2)
2710 gpointer* desc = NULL;
2712 if ((desc = g_hash_table_lookup (domain->ftnptrs_hash, addr)))
2715 desc = mono_domain_code_reserve (domain, 2 * sizeof (gpointer));
2719 # elif defined(__ppc64__) || defined(__powerpc64__)
2721 desc = mono_domain_alloc0 (domain, 3 * sizeof (gpointer));
2727 g_hash_table_insert (domain->ftnptrs_hash, addr, desc);
2733 mini_get_addr_from_ftnptr (gpointer descr)
2735 #if defined(__ia64__) || ((defined(__ppc64__) || defined(__powerpc64__)) && _CALL_ELF != 2)
2736 return *(gpointer*)descr;
2743 register_jit_stats (void)
2745 mono_counters_register ("Compiled methods", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.methods_compiled);
2746 mono_counters_register ("Methods from AOT", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.methods_aot);
2747 mono_counters_register ("Methods JITted using mono JIT", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.methods_without_llvm);
2748 mono_counters_register ("Methods JITted using LLVM", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.methods_with_llvm);
2749 mono_counters_register ("Total time spent JITting (sec)", MONO_COUNTER_JIT | MONO_COUNTER_DOUBLE, &mono_jit_stats.jit_time);
2750 mono_counters_register ("Basic blocks", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.basic_blocks);
2751 mono_counters_register ("Max basic blocks", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.max_basic_blocks);
2752 mono_counters_register ("Allocated vars", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.allocate_var);
2753 mono_counters_register ("Code reallocs", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.code_reallocs);
2754 mono_counters_register ("Allocated code size", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.allocated_code_size);
2755 mono_counters_register ("Allocated seq points size", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.allocated_seq_points_size);
2756 mono_counters_register ("Inlineable methods", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.inlineable_methods);
2757 mono_counters_register ("Inlined methods", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.inlined_methods);
2758 mono_counters_register ("Regvars", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.regvars);
2759 mono_counters_register ("Locals stack size", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.locals_stack_size);
2760 mono_counters_register ("Method cache lookups", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.methods_lookups);
2761 mono_counters_register ("Compiled CIL code size", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.cil_code_size);
2762 mono_counters_register ("Native code size", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.native_code_size);
2763 mono_counters_register ("Aliases found", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.alias_found);
2764 mono_counters_register ("Aliases eliminated", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.alias_removed);
2765 mono_counters_register ("Aliased loads eliminated", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.loads_eliminated);
2766 mono_counters_register ("Aliased stores eliminated", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.stores_eliminated);
2769 static void runtime_invoke_info_free (gpointer value);
2772 class_method_pair_equal (gconstpointer ka, gconstpointer kb)
2774 const MonoClassMethodPair *apair = ka;
2775 const MonoClassMethodPair *bpair = kb;
2777 return apair->klass == bpair->klass && apair->method == bpair->method ? 1 : 0;
2781 class_method_pair_hash (gconstpointer data)
2783 const MonoClassMethodPair *pair = data;
2785 return (gsize)pair->klass ^ (gsize)pair->method;
2789 mini_create_jit_domain_info (MonoDomain *domain)
2791 MonoJitDomainInfo *info = g_new0 (MonoJitDomainInfo, 1);
2793 info->jump_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
2794 info->jit_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
2795 info->delegate_trampoline_hash = g_hash_table_new (class_method_pair_hash, class_method_pair_equal);
2796 info->llvm_vcall_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
2797 info->runtime_invoke_hash = mono_conc_hashtable_new_full (mono_aligned_addr_hash, NULL, NULL, runtime_invoke_info_free);
2798 info->seq_points = g_hash_table_new_full (mono_aligned_addr_hash, NULL, NULL, mono_seq_point_info_free);
2799 info->arch_seq_points = g_hash_table_new (mono_aligned_addr_hash, NULL);
2800 info->jump_target_hash = g_hash_table_new (NULL, NULL);
2802 domain->runtime_info = info;
2806 delete_jump_list (gpointer key, gpointer value, gpointer user_data)
2808 MonoJumpList *jlist = value;
2809 g_slist_free (jlist->list);
2813 delete_got_slot_list (gpointer key, gpointer value, gpointer user_data)
2815 GSList *list = value;
2816 g_slist_free (list);
2820 dynamic_method_info_free (gpointer key, gpointer value, gpointer user_data)
2822 MonoJitDynamicMethodInfo *di = value;
2823 mono_code_manager_destroy (di->code_mp);
2828 runtime_invoke_info_free (gpointer value)
2830 RuntimeInvokeInfo *info = (RuntimeInvokeInfo*)value;
2832 #ifdef MONO_ARCH_DYN_CALL_SUPPORTED
2833 if (info->dyn_call_info)
2834 mono_arch_dyn_call_free (info->dyn_call_info);
2840 mini_free_jit_domain_info (MonoDomain *domain)
2842 MonoJitDomainInfo *info = domain_jit_info (domain);
2844 g_hash_table_foreach (info->jump_target_hash, delete_jump_list, NULL);
2845 g_hash_table_destroy (info->jump_target_hash);
2846 if (info->jump_target_got_slot_hash) {
2847 g_hash_table_foreach (info->jump_target_got_slot_hash, delete_got_slot_list, NULL);
2848 g_hash_table_destroy (info->jump_target_got_slot_hash);
2850 if (info->dynamic_code_hash) {
2851 g_hash_table_foreach (info->dynamic_code_hash, dynamic_method_info_free, NULL);
2852 g_hash_table_destroy (info->dynamic_code_hash);
2854 if (info->method_code_hash)
2855 g_hash_table_destroy (info->method_code_hash);
2856 g_hash_table_destroy (info->jump_trampoline_hash);
2857 g_hash_table_destroy (info->jit_trampoline_hash);
2858 g_hash_table_destroy (info->delegate_trampoline_hash);
2859 if (info->static_rgctx_trampoline_hash)
2860 g_hash_table_destroy (info->static_rgctx_trampoline_hash);
2861 g_hash_table_destroy (info->llvm_vcall_trampoline_hash);
2862 mono_conc_hashtable_destroy (info->runtime_invoke_hash);
2863 g_hash_table_destroy (info->seq_points);
2864 g_hash_table_destroy (info->arch_seq_points);
2865 if (info->agent_info)
2866 mono_debugger_agent_free_domain_info (domain);
2867 if (info->gsharedvt_arg_tramp_hash)
2868 g_hash_table_destroy (info->gsharedvt_arg_tramp_hash);
2870 mono_llvm_free_domain_info (domain);
2873 g_free (domain->runtime_info);
2874 domain->runtime_info = NULL;
2879 llvm_init_inner (void)
2881 if (!mono_llvm_load (NULL))
2892 * Load and initialize LLVM support.
2893 * Return TRUE on success.
2896 mini_llvm_init (void)
2899 static gboolean llvm_inited;
2900 static gboolean init_result;
2902 mono_loader_lock_if_inited ();
2904 init_result = llvm_init_inner ();
2907 mono_loader_unlock_if_inited ();
2915 mini_init (const char *filename, const char *runtime_version)
2918 MonoRuntimeCallbacks callbacks;
2919 MonoThreadInfoRuntimeCallbacks ticallbacks;
2921 MONO_VES_INIT_BEGIN ();
2923 CHECKED_MONO_INIT ();
2925 #if defined(__linux__) && !defined(__native_client__)
2926 if (access ("/proc/self/maps", F_OK) != 0) {
2927 g_print ("Mono requires /proc to be mounted.\n");
2932 mono_mutex_init_recursive (&jit_mutex);
2934 mono_cross_helpers_run ();
2938 /* Happens when using the embedding interface */
2939 if (!default_opt_set)
2940 default_opt = mono_parse_default_optimizations (NULL);
2942 #ifdef MONO_ARCH_GSHAREDVT_SUPPORTED
2944 mono_set_generic_sharing_vt_supported (TRUE);
2947 #ifdef MONO_HAVE_FAST_TLS
2948 MONO_FAST_TLS_INIT (mono_jit_tls);
2949 MONO_FAST_TLS_INIT (mono_lmf_addr);
2950 #ifdef MONO_ARCH_ENABLE_MONO_LMF_VAR
2951 MONO_FAST_TLS_INIT (mono_lmf);
2955 mono_runtime_set_has_tls_get (MONO_ARCH_HAVE_TLS_GET);
2957 if (!global_codeman)
2958 global_codeman = mono_code_manager_new ();
2960 memset (&callbacks, 0, sizeof (callbacks));
2961 callbacks.create_ftnptr = mini_create_ftnptr;
2962 callbacks.get_addr_from_ftnptr = mini_get_addr_from_ftnptr;
2963 callbacks.get_runtime_build_info = mono_get_runtime_build_info;
2964 callbacks.set_cast_details = mono_set_cast_details;
2965 callbacks.debug_log = mono_debugger_agent_debug_log;
2966 callbacks.debug_log_is_enabled = mono_debugger_agent_debug_log_is_enabled;
2967 callbacks.tls_key_supported = mini_tls_key_supported;
2969 callbacks.get_vtable_trampoline = mini_get_vtable_trampoline;
2970 callbacks.get_imt_trampoline = mini_get_imt_trampoline;
2972 mono_install_callbacks (&callbacks);
2974 memset (&ticallbacks, 0, sizeof (ticallbacks));
2975 ticallbacks.setup_async_callback = mono_setup_async_callback;
2976 ticallbacks.thread_state_init_from_sigctx = mono_thread_state_init_from_sigctx;
2977 ticallbacks.thread_state_init_from_handle = mono_thread_state_init_from_handle;
2978 ticallbacks.thread_state_init = mono_thread_state_init;
2980 mono_counters_init ();
2982 mono_threads_runtime_init (&ticallbacks);
2984 if (g_getenv ("MONO_DEBUG") != NULL)
2985 mini_parse_debug_options ();
2987 mono_code_manager_init ();
2991 mono_arch_cpu_init ();
2995 mono_unwind_init ();
2997 #ifdef XDEBUG_ENABLED
2998 if (g_getenv ("MONO_XDEBUG")) {
2999 const char *xdebug_opts = g_getenv ("MONO_XDEBUG");
3000 mono_xdebug_init (xdebug_opts);
3001 /* So methods for multiple domains don't have the same address */
3002 mono_dont_free_domains = TRUE;
3003 mono_using_xdebug = TRUE;
3004 } else if (mini_get_debug_options ()->gdb) {
3005 mono_xdebug_init ((char*)"gdb");
3006 mono_dont_free_domains = TRUE;
3007 mono_using_xdebug = TRUE;
3012 if (mono_use_llvm) {
3013 if (!mono_llvm_load (NULL)) {
3014 mono_use_llvm = FALSE;
3015 fprintf (stderr, "Mono Warning: llvm support could not be loaded.\n");
3022 mono_trampolines_init ();
3024 mono_native_tls_alloc (&mono_jit_tls_id, NULL);
3026 if (default_opt & MONO_OPT_AOT)
3029 mono_debugger_agent_init ();
3031 #ifdef MONO_ARCH_GSHARED_SUPPORTED
3032 mono_set_generic_sharing_supported (TRUE);
3035 #ifndef MONO_CROSS_COMPILE
3036 mono_runtime_install_handlers ();
3038 mono_threads_install_cleanup (mini_thread_cleanup);
3040 #define JIT_TRAMPOLINES_WORK
3041 #ifdef JIT_TRAMPOLINES_WORK
3042 mono_install_compile_method (mono_jit_compile_method);
3043 mono_install_free_method (mono_jit_free_method);
3044 mono_install_trampoline (mono_create_jit_trampoline);
3045 mono_install_jump_trampoline (mono_create_jump_trampoline);
3046 #ifndef DISABLE_REMOTING
3047 mono_install_remoting_trampoline (mono_jit_create_remoting_trampoline);
3049 mono_install_delegate_trampoline (mono_create_delegate_trampoline);
3050 mono_install_create_domain_hook (mini_create_jit_domain_info);
3051 mono_install_free_domain_hook (mini_free_jit_domain_info);
3053 #define JIT_INVOKE_WORKS
3054 #ifdef JIT_INVOKE_WORKS
3055 mono_install_runtime_invoke (mono_jit_runtime_invoke);
3057 mono_install_get_cached_class_info (mono_aot_get_cached_class_info);
3058 mono_install_get_class_from_name (mono_aot_get_class_from_name);
3059 mono_install_jit_info_find_in_aot (mono_aot_find_jit_info);
3061 if (debug_options.collect_pagefault_stats)
3062 mono_aot_set_make_unreadable (TRUE);
3064 if (runtime_version)
3065 domain = mono_init_version (filename, runtime_version);
3067 domain = mono_init_from_assembly (filename, filename);
3069 if (mono_aot_only) {
3070 /* This helps catch code allocation requests */
3071 mono_code_manager_set_read_only (domain->code_mp);
3072 mono_marshal_use_aot_wrappers (TRUE);
3076 mono_install_imt_thunk_builder (mono_aot_get_imt_thunk);
3078 mono_install_imt_thunk_builder (mono_arch_build_imt_thunk);
3080 /*Init arch tls information only after the metadata side is inited to make sure we see dynamic appdomain tls keys*/
3081 mono_arch_finish_init ();
3085 /* This must come after mono_init () in the aot-only case */
3086 mono_exceptions_init ();
3088 /* This should come after mono_init () too */
3092 mono_create_helper_signatures ();
3095 register_jit_stats ();
3097 #define JIT_CALLS_WORK
3098 #ifdef JIT_CALLS_WORK
3099 /* Needs to be called here since register_jit_icall depends on it */
3100 mono_marshal_init ();
3102 mono_arch_register_lowlevel_calls ();
3106 mono_generic_sharing_init ();
3109 #ifdef MONO_ARCH_SIMD_INTRINSICS
3110 mono_simd_intrinsics_init ();
3113 #if MONO_SUPPORT_TASKLETS
3114 mono_tasklets_init ();
3117 register_trampolines (domain);
3119 if (mono_compile_aot)
3121 * Avoid running managed code when AOT compiling, since the platform
3122 * might only support aot-only execution.
3124 mono_runtime_set_no_exec (TRUE);
3126 #define JIT_RUNTIME_WORKS
3127 #ifdef JIT_RUNTIME_WORKS
3128 mono_install_runtime_cleanup ((MonoDomainFunc)mini_cleanup);
3129 mono_runtime_init (domain, mono_thread_start_cb, mono_thread_attach_cb);
3130 mono_thread_attach (domain);
3133 mono_profiler_runtime_initialized ();
3135 MONO_VES_INIT_END ();
3141 register_icalls (void)
3143 mono_add_internal_call ("System.Diagnostics.StackFrame::get_frame_info",
3144 ves_icall_get_frame_info);
3145 mono_add_internal_call ("System.Diagnostics.StackTrace::get_trace",
3146 ves_icall_get_trace);
3147 mono_add_internal_call ("System.Exception::get_trace",
3148 ves_icall_System_Exception_get_trace);
3149 mono_add_internal_call ("Mono.Runtime::mono_runtime_install_handlers",
3150 mono_runtime_install_handlers);
3152 #if defined(PLATFORM_ANDROID) || defined(TARGET_ANDROID)
3153 mono_add_internal_call ("System.Diagnostics.Debugger::Mono_UnhandledException_internal",
3154 mono_debugger_agent_unhandled_exception);
3158 * It's important that we pass `TRUE` as the last argument here, as
3159 * it causes the JIT to omit a wrapper for these icalls. If the JIT
3160 * *did* emit a wrapper, we'd be looking at infinite recursion since
3161 * the wrapper would call the icall which would call the wrapper and
3164 register_icall (mono_profiler_method_enter, "mono_profiler_method_enter", "void ptr", TRUE);
3165 register_icall (mono_profiler_method_leave, "mono_profiler_method_leave", "void ptr", TRUE);
3167 register_icall (mono_trace_enter_method, "mono_trace_enter_method", NULL, TRUE);
3168 register_icall (mono_trace_leave_method, "mono_trace_leave_method", NULL, TRUE);
3169 register_icall (mono_get_lmf_addr, "mono_get_lmf_addr", "ptr", TRUE);
3170 register_icall (mono_jit_thread_attach, "mono_jit_thread_attach", "ptr ptr", TRUE);
3171 register_icall (mono_jit_set_domain, "mono_jit_set_domain", "void ptr", TRUE);
3172 register_icall (mono_domain_get, "mono_domain_get", "ptr", TRUE);
3174 register_dyn_icall (mono_get_throw_exception (), "mono_arch_throw_exception", "void object", TRUE);
3175 register_dyn_icall (mono_get_rethrow_exception (), "mono_arch_rethrow_exception", "void object", TRUE);
3176 register_dyn_icall (mono_get_throw_corlib_exception (), "mono_arch_throw_corlib_exception", "void ptr", TRUE);
3177 register_icall (mono_thread_get_undeniable_exception, "mono_thread_get_undeniable_exception", "object", FALSE);
3178 register_icall (mono_thread_interruption_checkpoint, "mono_thread_interruption_checkpoint", "object", FALSE);
3179 register_icall (mono_thread_force_interruption_checkpoint_noraise, "mono_thread_force_interruption_checkpoint_noraise", "object", FALSE);
3180 register_icall (mono_thread_force_interruption_checkpoint, "mono_thread_force_interruption_checkpoint", "void", FALSE);
3181 #ifndef DISABLE_REMOTING
3182 register_icall (mono_load_remote_field_new, "mono_load_remote_field_new", "object object ptr ptr", FALSE);
3183 register_icall (mono_store_remote_field_new, "mono_store_remote_field_new", "void object ptr ptr object", FALSE);
3186 #if defined(__native_client__) || defined(__native_client_codegen__)
3187 register_icall (mono_nacl_gc, "mono_nacl_gc", "void", FALSE);
3189 #if defined(USE_COOP_GC)
3190 register_icall (mono_threads_state_poll, "mono_threads_state_poll", "void", FALSE);
3193 #ifndef MONO_ARCH_NO_EMULATE_LONG_MUL_OPTS
3194 register_opcode_emulation (OP_LMUL, "__emul_lmul", "long long long", mono_llmult, "mono_llmult", TRUE);
3195 register_opcode_emulation (OP_LDIV, "__emul_ldiv", "long long long", mono_lldiv, "mono_lldiv", FALSE);
3196 register_opcode_emulation (OP_LDIV_UN, "__emul_ldiv_un", "long long long", mono_lldiv_un, "mono_lldiv_un", FALSE);
3197 register_opcode_emulation (OP_LREM, "__emul_lrem", "long long long", mono_llrem, "mono_llrem", FALSE);
3198 register_opcode_emulation (OP_LREM_UN, "__emul_lrem_un", "long long long", mono_llrem_un, "mono_llrem_un", FALSE);
3200 #if !defined(MONO_ARCH_NO_EMULATE_LONG_MUL_OPTS) || defined(MONO_ARCH_EMULATE_LONG_MUL_OVF_OPTS)
3201 register_opcode_emulation (OP_LMUL_OVF_UN, "__emul_lmul_ovf_un", "long long long", mono_llmult_ovf_un, "mono_llmult_ovf_un", FALSE);
3202 register_opcode_emulation (OP_LMUL_OVF, "__emul_lmul_ovf", "long long long", mono_llmult_ovf, "mono_llmult_ovf", FALSE);
3205 #ifndef MONO_ARCH_NO_EMULATE_LONG_SHIFT_OPS
3206 register_opcode_emulation (OP_LSHL, "__emul_lshl", "long long int32", mono_lshl, "mono_lshl", TRUE);
3207 register_opcode_emulation (OP_LSHR, "__emul_lshr", "long long int32", mono_lshr, "mono_lshr", TRUE);
3208 register_opcode_emulation (OP_LSHR_UN, "__emul_lshr_un", "long long int32", mono_lshr_un, "mono_lshr_un", TRUE);
3211 #if defined(MONO_ARCH_EMULATE_MUL_DIV) || defined(MONO_ARCH_EMULATE_DIV)
3212 register_opcode_emulation (OP_IDIV, "__emul_op_idiv", "int32 int32 int32", mono_idiv, "mono_idiv", FALSE);
3213 register_opcode_emulation (OP_IDIV_UN, "__emul_op_idiv_un", "int32 int32 int32", mono_idiv_un, "mono_idiv_un", FALSE);
3214 register_opcode_emulation (OP_IREM, "__emul_op_irem", "int32 int32 int32", mono_irem, "mono_irem", FALSE);
3215 register_opcode_emulation (OP_IREM_UN, "__emul_op_irem_un", "int32 int32 int32", mono_irem_un, "mono_irem_un", FALSE);
3218 #ifdef MONO_ARCH_EMULATE_MUL_DIV
3219 register_opcode_emulation (OP_IMUL, "__emul_op_imul", "int32 int32 int32", mono_imul, "mono_imul", TRUE);
3222 #if defined(MONO_ARCH_EMULATE_MUL_DIV) || defined(MONO_ARCH_EMULATE_MUL_OVF)
3223 register_opcode_emulation (OP_IMUL_OVF, "__emul_op_imul_ovf", "int32 int32 int32", mono_imul_ovf, "mono_imul_ovf", FALSE);
3224 register_opcode_emulation (OP_IMUL_OVF_UN, "__emul_op_imul_ovf_un", "int32 int32 int32", mono_imul_ovf_un, "mono_imul_ovf_un", FALSE);
3227 #if defined(MONO_ARCH_EMULATE_MUL_DIV) || defined(MONO_ARCH_SOFT_FLOAT_FALLBACK)
3228 if (ARCH_EMULATE_MUL_DIV || mono_arch_is_soft_float ()) {
3229 register_opcode_emulation (OP_FDIV, "__emul_fdiv", "double double double", mono_fdiv, "mono_fdiv", FALSE);
3233 register_opcode_emulation (OP_FCONV_TO_U8, "__emul_fconv_to_u8", "ulong double", mono_fconv_u8, "mono_fconv_u8", FALSE);
3234 register_opcode_emulation (OP_RCONV_TO_U8, "__emul_rconv_to_u8", "ulong float", mono_rconv_u8, "mono_rconv_u8", FALSE);
3235 register_opcode_emulation (OP_FCONV_TO_U4, "__emul_fconv_to_u4", "uint32 double", mono_fconv_u4, "mono_fconv_u4", FALSE);
3236 register_opcode_emulation (OP_FCONV_TO_OVF_I8, "__emul_fconv_to_ovf_i8", "long double", mono_fconv_ovf_i8, "mono_fconv_ovf_i8", FALSE);
3237 register_opcode_emulation (OP_FCONV_TO_OVF_U8, "__emul_fconv_to_ovf_u8", "ulong double", mono_fconv_ovf_u8, "mono_fconv_ovf_u8", FALSE);
3238 register_opcode_emulation (OP_RCONV_TO_OVF_I8, "__emul_rconv_to_ovf_i8", "long float", mono_rconv_ovf_i8, "mono_rconv_ovf_i8", FALSE);
3239 register_opcode_emulation (OP_RCONV_TO_OVF_U8, "__emul_rconv_to_ovf_u8", "ulong float", mono_rconv_ovf_u8, "mono_rconv_ovf_u8", FALSE);
3242 #ifdef MONO_ARCH_EMULATE_FCONV_TO_I8
3243 register_opcode_emulation (OP_FCONV_TO_I8, "__emul_fconv_to_i8", "long double", mono_fconv_i8, "mono_fconv_i8", FALSE);
3244 register_opcode_emulation (OP_RCONV_TO_I8, "__emul_rconv_to_i8", "long float", mono_rconv_i8, "mono_rconv_i8", FALSE);
3247 #ifdef MONO_ARCH_EMULATE_CONV_R8_UN
3248 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);
3250 #ifdef MONO_ARCH_EMULATE_LCONV_TO_R8
3251 register_opcode_emulation (OP_LCONV_TO_R8, "__emul_lconv_to_r8", "double long", mono_lconv_to_r8, "mono_lconv_to_r8", FALSE);
3253 #ifdef MONO_ARCH_EMULATE_LCONV_TO_R4
3254 register_opcode_emulation (OP_LCONV_TO_R4, "__emul_lconv_to_r4", "float long", mono_lconv_to_r4, "mono_lconv_to_r4", FALSE);
3256 #ifdef MONO_ARCH_EMULATE_LCONV_TO_R8_UN
3257 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);
3259 #ifdef MONO_ARCH_EMULATE_FREM
3260 #if defined(__default_codegen__)
3261 register_opcode_emulation (OP_FREM, "__emul_frem", "double double double", fmod, "fmod", FALSE);
3262 register_opcode_emulation (OP_RREM, "__emul_rrem", "float float float", fmodf, "fmodf", FALSE);
3263 #elif defined(__native_client_codegen__)
3264 register_opcode_emulation (OP_FREM, "__emul_frem", "double double double", mono_fmod, "mono_fmod", FALSE);
3268 #ifdef MONO_ARCH_SOFT_FLOAT_FALLBACK
3269 if (mono_arch_is_soft_float ()) {
3270 register_opcode_emulation (OP_FSUB, "__emul_fsub", "double double double", mono_fsub, "mono_fsub", FALSE);
3271 register_opcode_emulation (OP_FADD, "__emul_fadd", "double double double", mono_fadd, "mono_fadd", FALSE);
3272 register_opcode_emulation (OP_FMUL, "__emul_fmul", "double double double", mono_fmul, "mono_fmul", FALSE);
3273 register_opcode_emulation (OP_FNEG, "__emul_fneg", "double double", mono_fneg, "mono_fneg", FALSE);
3274 register_opcode_emulation (OP_ICONV_TO_R8, "__emul_iconv_to_r8", "double int32", mono_conv_to_r8, "mono_conv_to_r8", FALSE);
3275 register_opcode_emulation (OP_ICONV_TO_R4, "__emul_iconv_to_r4", "double int32", mono_conv_to_r4, "mono_conv_to_r4", FALSE);
3276 register_opcode_emulation (OP_FCONV_TO_R4, "__emul_fconv_to_r4", "double double", mono_fconv_r4, "mono_fconv_r4", FALSE);
3277 register_opcode_emulation (OP_FCONV_TO_I1, "__emul_fconv_to_i1", "int8 double", mono_fconv_i1, "mono_fconv_i1", FALSE);
3278 register_opcode_emulation (OP_FCONV_TO_I2, "__emul_fconv_to_i2", "int16 double", mono_fconv_i2, "mono_fconv_i2", FALSE);
3279 register_opcode_emulation (OP_FCONV_TO_I4, "__emul_fconv_to_i4", "int32 double", mono_fconv_i4, "mono_fconv_i4", FALSE);
3280 register_opcode_emulation (OP_FCONV_TO_U1, "__emul_fconv_to_u1", "uint8 double", mono_fconv_u1, "mono_fconv_u1", FALSE);
3281 register_opcode_emulation (OP_FCONV_TO_U2, "__emul_fconv_to_u2", "uint16 double", mono_fconv_u2, "mono_fconv_u2", FALSE);
3283 #if SIZEOF_VOID_P == 4
3284 register_opcode_emulation (OP_FCONV_TO_I, "__emul_fconv_to_i", "int32 double", mono_fconv_i4, "mono_fconv_i4", FALSE);
3287 register_opcode_emulation (OP_FBEQ, "__emul_fcmp_eq", "uint32 double double", mono_fcmp_eq, "mono_fcmp_eq", FALSE);
3288 register_opcode_emulation (OP_FBLT, "__emul_fcmp_lt", "uint32 double double", mono_fcmp_lt, "mono_fcmp_lt", FALSE);
3289 register_opcode_emulation (OP_FBGT, "__emul_fcmp_gt", "uint32 double double", mono_fcmp_gt, "mono_fcmp_gt", FALSE);
3290 register_opcode_emulation (OP_FBLE, "__emul_fcmp_le", "uint32 double double", mono_fcmp_le, "mono_fcmp_le", FALSE);
3291 register_opcode_emulation (OP_FBGE, "__emul_fcmp_ge", "uint32 double double", mono_fcmp_ge, "mono_fcmp_ge", FALSE);
3292 register_opcode_emulation (OP_FBNE_UN, "__emul_fcmp_ne_un", "uint32 double double", mono_fcmp_ne_un, "mono_fcmp_ne_un", FALSE);
3293 register_opcode_emulation (OP_FBLT_UN, "__emul_fcmp_lt_un", "uint32 double double", mono_fcmp_lt_un, "mono_fcmp_lt_un", FALSE);
3294 register_opcode_emulation (OP_FBGT_UN, "__emul_fcmp_gt_un", "uint32 double double", mono_fcmp_gt_un, "mono_fcmp_gt_un", FALSE);
3295 register_opcode_emulation (OP_FBLE_UN, "__emul_fcmp_le_un", "uint32 double double", mono_fcmp_le_un, "mono_fcmp_le_un", FALSE);
3296 register_opcode_emulation (OP_FBGE_UN, "__emul_fcmp_ge_un", "uint32 double double", mono_fcmp_ge_un, "mono_fcmp_ge_un", FALSE);
3298 register_opcode_emulation (OP_FCEQ, "__emul_fcmp_ceq", "uint32 double double", mono_fceq, "mono_fceq", FALSE);
3299 register_opcode_emulation (OP_FCGT, "__emul_fcmp_cgt", "uint32 double double", mono_fcgt, "mono_fcgt", FALSE);
3300 register_opcode_emulation (OP_FCGT_UN, "__emul_fcmp_cgt_un", "uint32 double double", mono_fcgt_un, "mono_fcgt_un", FALSE);
3301 register_opcode_emulation (OP_FCLT, "__emul_fcmp_clt", "uint32 double double", mono_fclt, "mono_fclt", FALSE);
3302 register_opcode_emulation (OP_FCLT_UN, "__emul_fcmp_clt_un", "uint32 double double", mono_fclt_un, "mono_fclt_un", FALSE);
3304 register_icall (mono_fload_r4, "mono_fload_r4", "double ptr", FALSE);
3305 register_icall (mono_fstore_r4, "mono_fstore_r4", "void double ptr", FALSE);
3306 register_icall (mono_fload_r4_arg, "mono_fload_r4_arg", "uint32 double", FALSE);
3307 register_icall (mono_isfinite, "mono_isfinite", "uint32 double", FALSE);
3311 #ifdef COMPRESSED_INTERFACE_BITMAP
3312 register_icall (mono_class_interface_match, "mono_class_interface_match", "uint32 ptr int32", TRUE);
3315 #if SIZEOF_REGISTER == 4
3316 register_opcode_emulation (OP_FCONV_TO_U, "__emul_fconv_to_u", "uint32 double", mono_fconv_u4, "mono_fconv_u4", TRUE);
3318 register_opcode_emulation (OP_FCONV_TO_U, "__emul_fconv_to_u", "ulong double", mono_fconv_u8, "mono_fconv_u8", TRUE);
3321 /* other jit icalls */
3322 register_icall (mono_delegate_ctor, "mono_delegate_ctor", "void object object ptr", FALSE);
3323 register_icall (mono_class_static_field_address , "mono_class_static_field_address",
3324 "ptr ptr ptr", FALSE);
3325 register_icall (mono_ldtoken_wrapper, "mono_ldtoken_wrapper", "ptr ptr ptr ptr", FALSE);
3326 register_icall (mono_ldtoken_wrapper_generic_shared, "mono_ldtoken_wrapper_generic_shared",
3327 "ptr ptr ptr ptr", FALSE);
3328 register_icall (mono_get_special_static_data, "mono_get_special_static_data", "ptr int", FALSE);
3329 register_icall (mono_ldstr, "mono_ldstr", "object ptr ptr int32", FALSE);
3330 register_icall (mono_helper_stelem_ref_check, "mono_helper_stelem_ref_check", "void object object", FALSE);
3331 register_icall (mono_object_new, "mono_object_new", "object ptr ptr", FALSE);
3332 register_icall (mono_object_new_specific, "mono_object_new_specific", "object ptr", FALSE);
3333 register_icall (mono_array_new, "mono_array_new", "object ptr ptr int32", FALSE);
3334 register_icall (mono_array_new_specific, "mono_array_new_specific", "object ptr int32", FALSE);
3335 register_icall (mono_runtime_class_init, "mono_runtime_class_init", "void ptr", FALSE);
3336 register_icall (mono_ldftn, "mono_ldftn", "ptr ptr", FALSE);
3337 register_icall (mono_ldvirtfn, "mono_ldvirtfn", "ptr object ptr", FALSE);
3338 register_icall (mono_ldvirtfn_gshared, "mono_ldvirtfn_gshared", "ptr object ptr", FALSE);
3339 register_icall (mono_helper_compile_generic_method, "mono_helper_compile_generic_method", "ptr object ptr ptr", FALSE);
3340 register_icall (mono_helper_ldstr, "mono_helper_ldstr", "object ptr int", FALSE);
3341 register_icall (mono_helper_ldstr_mscorlib, "mono_helper_ldstr_mscorlib", "object int", FALSE);
3342 register_icall (mono_helper_newobj_mscorlib, "mono_helper_newobj_mscorlib", "object int", FALSE);
3343 register_icall (mono_value_copy, "mono_value_copy", "void ptr ptr ptr", FALSE);
3344 register_icall (mono_object_castclass_unbox, "mono_object_castclass_unbox", "object object ptr", FALSE);
3345 register_icall (mono_break, "mono_break", NULL, TRUE);
3346 register_icall (mono_create_corlib_exception_0, "mono_create_corlib_exception_0", "object int", TRUE);
3347 register_icall (mono_create_corlib_exception_1, "mono_create_corlib_exception_1", "object int object", TRUE);
3348 register_icall (mono_create_corlib_exception_2, "mono_create_corlib_exception_2", "object int object object", TRUE);
3349 register_icall (mono_array_new_1, "mono_array_new_1", "object ptr int", FALSE);
3350 register_icall (mono_array_new_2, "mono_array_new_2", "object ptr int int", FALSE);
3351 register_icall (mono_array_new_3, "mono_array_new_3", "object ptr int int int", FALSE);
3352 register_icall (mono_array_new_4, "mono_array_new_4", "object ptr int int int int", FALSE);
3353 register_icall (mono_get_native_calli_wrapper, "mono_get_native_calli_wrapper", "ptr ptr ptr ptr", FALSE);
3354 register_icall (mono_resume_unwind, "mono_resume_unwind", "void", TRUE);
3355 register_icall (mono_gsharedvt_constrained_call, "mono_gsharedvt_constrained_call", "object ptr ptr ptr ptr ptr", FALSE);
3356 register_icall (mono_gsharedvt_value_copy, "mono_gsharedvt_value_copy", "void ptr ptr ptr", TRUE);
3358 register_icall (mono_gc_wbarrier_value_copy_bitmap, "mono_gc_wbarrier_value_copy_bitmap", "void ptr ptr int int", FALSE);
3360 register_icall (mono_object_castclass_with_cache, "mono_object_castclass_with_cache", "object object ptr ptr", FALSE);
3361 register_icall (mono_object_isinst_with_cache, "mono_object_isinst_with_cache", "object object ptr ptr", FALSE);
3362 register_icall (mono_generic_class_init, "mono_generic_class_init", "void ptr", FALSE);
3363 register_icall (mono_fill_class_rgctx, "mono_class_fill_rgctx", "ptr ptr int", FALSE);
3364 register_icall (mono_fill_method_rgctx, "mono_method_fill_rgctx", "ptr ptr int", FALSE);
3366 register_icall (mono_debugger_agent_user_break, "mono_debugger_agent_user_break", "void", FALSE);
3369 register_icall (pthread_getspecific, "pthread_getspecific", "ptr ptr", TRUE);
3373 MonoJitStats mono_jit_stats = {0};
3376 print_jit_stats (void)
3378 if (mono_jit_stats.enabled) {
3379 g_print ("Mono Jit statistics\n");
3380 g_print ("Max code size ratio: %.2f (%s)\n", mono_jit_stats.max_code_size_ratio/100.0,
3381 mono_jit_stats.max_ratio_method);
3382 g_print ("Biggest method: %ld (%s)\n", mono_jit_stats.biggest_method_size,
3383 mono_jit_stats.biggest_method);
3385 g_print ("Delegates created: %ld\n", mono_stats.delegate_creations);
3386 g_print ("Initialized classes: %ld\n", mono_stats.initialized_class_count);
3387 g_print ("Used classes: %ld\n", mono_stats.used_class_count);
3388 g_print ("Generic vtables: %ld\n", mono_stats.generic_vtable_count);
3389 g_print ("Methods: %ld\n", mono_stats.method_count);
3390 g_print ("Static data size: %ld\n", mono_stats.class_static_data_size);
3391 g_print ("VTable data size: %ld\n", mono_stats.class_vtable_size);
3392 g_print ("Mscorlib mempool size: %d\n", mono_mempool_get_allocated (mono_defaults.corlib->mempool));
3394 g_print ("\nInitialized classes: %ld\n", mono_stats.generic_class_count);
3395 g_print ("Inflated types: %ld\n", mono_stats.inflated_type_count);
3396 g_print ("Generics virtual invokes: %ld\n", mono_jit_stats.generic_virtual_invocations);
3398 g_print ("Sharable generic methods: %ld\n", mono_stats.generics_sharable_methods);
3399 g_print ("Unsharable generic methods: %ld\n", mono_stats.generics_unsharable_methods);
3400 g_print ("Shared generic methods: %ld\n", mono_stats.generics_shared_methods);
3401 g_print ("Shared vtype generic methods: %ld\n", mono_stats.gsharedvt_methods);
3403 g_print ("IMT tables size: %ld\n", mono_stats.imt_tables_size);
3404 g_print ("IMT number of tables: %ld\n", mono_stats.imt_number_of_tables);
3405 g_print ("IMT number of methods: %ld\n", mono_stats.imt_number_of_methods);
3406 g_print ("IMT used slots: %ld\n", mono_stats.imt_used_slots);
3407 g_print ("IMT colliding slots: %ld\n", mono_stats.imt_slots_with_collisions);
3408 g_print ("IMT max collisions: %ld\n", mono_stats.imt_max_collisions_in_slot);
3409 g_print ("IMT methods at max col: %ld\n", mono_stats.imt_method_count_when_max_collisions);
3410 g_print ("IMT thunks size: %ld\n", mono_stats.imt_thunks_size);
3412 g_print ("JIT info table inserts: %ld\n", mono_stats.jit_info_table_insert_count);
3413 g_print ("JIT info table removes: %ld\n", mono_stats.jit_info_table_remove_count);
3414 g_print ("JIT info table lookups: %ld\n", mono_stats.jit_info_table_lookup_count);
3416 g_free (mono_jit_stats.max_ratio_method);
3417 mono_jit_stats.max_ratio_method = NULL;
3418 g_free (mono_jit_stats.biggest_method);
3419 mono_jit_stats.biggest_method = NULL;
3424 mini_cleanup (MonoDomain *domain)
3426 mono_runtime_shutdown_stat_profiler ();
3429 cominterop_release_all_rcws ();
3432 #ifndef MONO_CROSS_COMPILE
3434 * mono_domain_finalize () needs to be called early since it needs the
3435 * execution engine still fully working (it may invoke managed finalizers).
3437 mono_domain_finalize (domain, 2000);
3440 /* This accesses metadata so needs to be called before runtime shutdown */
3443 mono_profiler_shutdown ();
3445 #ifndef MONO_CROSS_COMPILE
3446 mono_runtime_cleanup (domain);
3449 free_jit_tls_data (mono_native_tls_get_value (mono_jit_tls_id));
3451 mono_icall_cleanup ();
3453 mono_runtime_cleanup_handlers ();
3455 #ifndef MONO_CROSS_COMPILE
3456 mono_domain_free (domain, TRUE);
3457 mono_gc_mutex_cleanup ();
3462 mono_llvm_cleanup ();
3465 mono_aot_cleanup ();
3467 mono_trampolines_cleanup ();
3469 mono_unwind_cleanup ();
3471 mono_code_manager_destroy (global_codeman);
3472 g_free (vtable_trampolines);
3474 mini_jit_cleanup ();
3476 mono_tramp_info_cleanup ();
3478 mono_arch_cleanup ();
3480 mono_generic_sharing_cleanup ();
3484 mono_trace_cleanup ();
3486 mono_counters_dump (MONO_COUNTER_SECTION_MASK | MONO_COUNTER_MONOTONIC, stdout);
3488 if (mono_inject_async_exc_method)
3489 mono_method_desc_free (mono_inject_async_exc_method);
3491 mono_native_tls_free (mono_jit_tls_id);
3493 mono_mutex_destroy (&jit_mutex);
3495 mono_code_manager_cleanup ();
3497 #ifdef USE_JUMP_TABLES
3498 mono_jumptable_cleanup ();
3503 mono_set_defaults (int verbose_level, guint32 opts)
3505 mini_verbose = verbose_level;
3506 mono_set_optimizations (opts);
3510 mono_disable_optimizations (guint32 opts)
3512 default_opt &= ~opts;
3516 mono_set_optimizations (guint32 opts)
3519 default_opt_set = TRUE;
3520 #ifdef MONO_ARCH_GSHAREDVT_SUPPORTED
3521 mono_set_generic_sharing_vt_supported (mono_aot_only || ((default_opt & MONO_OPT_GSHAREDVT) != 0));
3526 mono_set_verbose_level (guint32 level)
3528 mini_verbose = level;
3532 * mono_get_runtime_build_info:
3534 * Return the runtime version + build date in string format.
3535 * The returned string is owned by the caller. The returned string
3536 * format is "VERSION (FULL_VERSION BUILD_DATE)" and build date is optional.
3539 mono_get_runtime_build_info (void)
3541 if (mono_build_date)
3542 return g_strdup_printf ("%s (%s %s)", VERSION, FULL_VERSION, mono_build_date);
3544 return g_strdup_printf ("%s (%s)", VERSION, FULL_VERSION);
3548 mono_precompile_assembly (MonoAssembly *ass, void *user_data)
3550 GHashTable *assemblies = (GHashTable*)user_data;
3551 MonoImage *image = mono_assembly_get_image (ass);
3552 MonoMethod *method, *invoke;
3555 if (g_hash_table_lookup (assemblies, ass))
3558 g_hash_table_insert (assemblies, ass, ass);
3560 if (mini_verbose > 0)
3561 printf ("PRECOMPILE: %s.\n", mono_image_get_filename (image));
3563 for (i = 0; i < mono_image_get_table_rows (image, MONO_TABLE_METHOD); ++i) {
3564 method = mono_get_method (image, MONO_TOKEN_METHOD_DEF | (i + 1), NULL);
3565 if (method->flags & METHOD_ATTRIBUTE_ABSTRACT)
3567 if (method->is_generic || method->klass->generic_container)
3571 if (mini_verbose > 1) {
3572 char * desc = mono_method_full_name (method, TRUE);
3573 g_print ("Compiling %d %s\n", count, desc);
3576 mono_compile_method (method);
3577 if (strcmp (method->name, "Finalize") == 0) {
3578 invoke = mono_marshal_get_runtime_invoke (method, FALSE);
3579 mono_compile_method (invoke);
3581 #ifndef DISABLE_REMOTING
3582 if (mono_class_is_marshalbyref (method->klass) && mono_method_signature (method)->hasthis) {
3583 invoke = mono_marshal_get_remoting_invoke_with_check (method);
3584 mono_compile_method (invoke);
3589 /* Load and precompile referenced assemblies as well */
3590 for (i = 0; i < mono_image_get_table_rows (image, MONO_TABLE_ASSEMBLYREF); ++i) {
3591 mono_assembly_load_reference (image, i);
3592 if (image->references [i])
3593 mono_precompile_assembly (image->references [i], assemblies);
3597 void mono_precompile_assemblies ()
3599 GHashTable *assemblies = g_hash_table_new (NULL, NULL);
3601 mono_assembly_foreach ((GFunc)mono_precompile_assembly, assemblies);
3603 g_hash_table_destroy (assemblies);
3608 * Have to export this for AOT.
3611 mono_personality (void)
3614 g_assert_not_reached ();
3617 #ifdef USE_JUMP_TABLES
3618 #define DEFAULT_JUMPTABLE_CHUNK_ELEMENTS 128
3620 typedef struct MonoJumpTableChunk {
3623 struct MonoJumpTableChunk *previous;
3624 /* gpointer entries[total]; */
3625 } MonoJumpTableChunk;
3627 static MonoJumpTableChunk* g_jumptable;
3628 #define mono_jumptable_lock() mono_mutex_lock (&jumptable_mutex)
3629 #define mono_jumptable_unlock() mono_mutex_unlock (&jumptable_mutex)
3630 static mono_mutex_t jumptable_mutex;
3632 static MonoJumpTableChunk*
3633 mono_create_jumptable_chunk (guint32 max_entries)
3635 guint32 size = sizeof (MonoJumpTableChunk) + max_entries * sizeof(gpointer);
3636 MonoJumpTableChunk *chunk = (MonoJumpTableChunk*) g_new0 (guchar, size);
3637 chunk->total = max_entries;
3642 mono_jumptable_init (void)
3644 if (g_jumptable == NULL) {
3645 mono_mutex_init_recursive (&jumptable_mutex);
3646 g_jumptable = mono_create_jumptable_chunk (DEFAULT_JUMPTABLE_CHUNK_ELEMENTS);
3651 mono_jumptable_add_entry (void)
3653 return mono_jumptable_add_entries (1);
3657 mono_jumptable_add_entries (guint32 entries)
3662 mono_jumptable_init ();
3663 mono_jumptable_lock ();
3664 index = g_jumptable->active;
3665 if (index + entries >= g_jumptable->total) {
3667 * Grow jumptable, by adding one more chunk.
3668 * We cannot realloc jumptable, as there could be pointers
3669 * to existing jump table entries in the code, so instead
3670 * we just add one more chunk.
3672 guint32 max_entries = entries;
3673 MonoJumpTableChunk *new_chunk;
3675 if (max_entries < DEFAULT_JUMPTABLE_CHUNK_ELEMENTS)
3676 max_entries = DEFAULT_JUMPTABLE_CHUNK_ELEMENTS;
3677 new_chunk = mono_create_jumptable_chunk (max_entries);
3678 /* Link old jumptable, so that we could free it up later. */
3679 new_chunk->previous = g_jumptable;
3680 g_jumptable = new_chunk;
3683 g_jumptable->active = index + entries;
3684 result = (gpointer*)((guchar*)g_jumptable + sizeof(MonoJumpTableChunk)) + index;
3685 mono_jumptable_unlock();
3691 mono_jumptable_cleanup (void)
3694 MonoJumpTableChunk *current = g_jumptable, *prev;
3695 while (current != NULL) {
3696 prev = current->previous;
3701 mono_mutex_destroy (&jumptable_mutex);
3706 mono_jumptable_get_entry (guint8 *code_ptr)
3708 return mono_arch_jumptable_entry_from_code (code_ptr);