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/io-layer/io-layer.h>
65 #include "seq-points.h"
72 #include "jit-icalls.h"
75 #include "debugger-agent.h"
77 static guint32 default_opt = 0;
78 static gboolean default_opt_set = FALSE;
80 MonoNativeTlsKey mono_jit_tls_id;
82 #ifdef MONO_HAVE_FAST_TLS
83 MONO_FAST_TLS_DECLARE(mono_jit_tls);
86 gboolean mono_compile_aot = FALSE;
87 /* If this is set, no code is generated dynamically, everything is taken from AOT files */
88 gboolean mono_aot_only = FALSE;
89 /* Whenever to use IMT */
90 gboolean mono_use_imt = TRUE;
91 const char *mono_build_date;
92 gboolean mono_do_signal_chaining;
93 gboolean mono_do_crash_chaining;
97 * This flag controls whenever the runtime uses LLVM for JIT compilation, and whenever
98 * it can load AOT code compiled by LLVM.
100 gboolean mono_use_llvm = FALSE;
102 #define mono_jit_lock() mono_mutex_lock (&jit_mutex)
103 #define mono_jit_unlock() mono_mutex_unlock (&jit_mutex)
104 static mono_mutex_t jit_mutex;
106 static MonoCodeManager *global_codeman;
108 MonoDebugOptions debug_options;
110 #ifdef VALGRIND_JIT_REGISTER_MAP
111 int valgrind_register;
114 static GSList *tramp_infos;
116 static void register_icalls (void);
119 mono_running_on_valgrind (void)
121 if (RUNNING_ON_VALGRIND){
122 #ifdef VALGRIND_JIT_REGISTER_MAP
123 valgrind_register = TRUE;
136 find_tramp (gpointer key, gpointer value, gpointer user_data)
138 FindTrampUserData *ud = (FindTrampUserData*)user_data;
141 ud->method = (MonoMethod*)key;
145 G_GNUC_UNUSED static char*
146 get_method_from_ip (void *ip)
151 MonoDomain *domain = mono_domain_get ();
152 MonoDebugSourceLocation *location;
153 FindTrampUserData user_data;
156 domain = mono_get_root_domain ();
158 ji = mono_jit_info_table_find (domain, ip);
161 user_data.method = NULL;
162 mono_domain_lock (domain);
163 g_hash_table_foreach (domain_jit_info (domain)->jit_trampoline_hash, find_tramp, &user_data);
164 mono_domain_unlock (domain);
165 if (user_data.method) {
166 char *mname = mono_method_full_name (user_data.method, TRUE);
167 res = g_strdup_printf ("<%p - JIT trampoline for %s>", ip, mname);
174 method = mono_method_full_name (jinfo_get_method (ji), TRUE);
175 /* FIXME: unused ? */
176 location = mono_debug_lookup_source_location (jinfo_get_method (ji), (guint32)((guint8*)ip - (guint8*)ji->code_start), domain);
178 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);
180 mono_debug_free_source_location (location);
188 * @ip: an instruction pointer address
190 * This method is used from a debugger to get the name of the
191 * method at address @ip. This routine is typically invoked from
192 * a debugger like this:
194 * (gdb) print mono_pmip ($pc)
196 * Returns: the name of the method at address @ip.
201 return get_method_from_ip (ip);
205 * mono_print_method_from_ip
206 * @ip: an instruction pointer address
208 * This method is used from a debugger to get the name of the
209 * method at address @ip.
211 * This prints the name of the method at address @ip in the standard
212 * output. Unlike mono_pmip which returns a string, this routine
213 * prints the value on the standard output.
216 /* Prevent the linker from optimizing this away in embedding setups to help debugging */
217 __attribute__((used))
220 mono_print_method_from_ip (void *ip)
224 MonoDebugSourceLocation *source;
225 MonoDomain *domain = mono_domain_get ();
226 MonoDomain *target_domain = mono_domain_get ();
227 FindTrampUserData user_data;
228 MonoGenericSharingContext*gsctx;
229 const char *shared_type;
232 ji = mini_jit_info_table_find (domain, ip, &target_domain);
235 user_data.method = NULL;
236 mono_domain_lock (domain);
237 g_hash_table_foreach (domain_jit_info (domain)->jit_trampoline_hash, find_tramp, &user_data);
238 mono_domain_unlock (domain);
239 if (user_data.method) {
240 char *mname = mono_method_full_name (user_data.method, TRUE);
241 printf ("IP %p is a JIT trampoline for %s\n", ip, mname);
245 for (l = tramp_infos; l; l = l->next) {
246 MonoTrampInfo *tinfo = l->data;
248 if ((guint8*)ip >= tinfo->code && (guint8*)ip <= tinfo->code + tinfo->code_size) {
249 printf ("IP %p is at offset 0x%x of trampoline '%s'.\n", ip, (int)((guint8*)ip - tinfo->code), tinfo->name);
254 g_print ("No method at %p\n", ip);
258 method = mono_method_full_name (jinfo_get_method (ji), TRUE);
259 source = mono_debug_lookup_source_location (jinfo_get_method (ji), (guint32)((guint8*)ip - (guint8*)ji->code_start), target_domain);
261 gsctx = mono_jit_info_get_generic_sharing_context (ji);
264 if (gsctx->var_is_vt || gsctx->mvar_is_vt)
265 shared_type = "gsharedvt ";
267 shared_type = "gshared ";
270 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);
273 g_print ("%s:%d\n", source->source_file, source->row);
276 mono_debug_free_source_location (source);
281 * mono_method_same_domain:
283 * Determine whenever two compiled methods are in the same domain, thus
284 * the address of the callee can be embedded in the caller.
286 gboolean mono_method_same_domain (MonoJitInfo *caller, MonoJitInfo *callee)
290 if (!caller || !callee)
294 * If the call was made from domain-neutral to domain-specific
295 * code, we can't patch the call site.
297 if (caller->domain_neutral && !callee->domain_neutral)
300 cmethod = jinfo_get_method (caller);
301 if ((cmethod->klass == mono_defaults.appdomain_class) &&
302 (strstr (cmethod->name, "InvokeInDomain"))) {
303 /* The InvokeInDomain methods change the current appdomain */
311 * mono_global_codeman_reserve:
313 * Allocate code memory from the global code manager.
315 void *mono_global_codeman_reserve (int size)
320 g_error ("Attempting to allocate from the global code manager while running with --aot-only.\n");
322 if (!global_codeman) {
323 /* This can happen during startup */
324 global_codeman = mono_code_manager_new ();
325 return mono_code_manager_reserve (global_codeman, size);
329 ptr = mono_code_manager_reserve (global_codeman, size);
335 #if defined(__native_client_codegen__) && defined(__native_client__)
339 #ifdef __native_client_gc__
340 __nacl_suspend_thread_if_needed();
344 /* Given the temporary buffer (allocated by mono_global_codeman_reserve) into
345 * which we are generating code, return a pointer to the destination in the
346 * dynamic code segment into which the code will be copied when
347 * mono_global_codeman_commit is called.
348 * LOCKING: Acquires the jit lock.
351 nacl_global_codeman_get_dest (void *data)
355 dest = nacl_code_manager_get_code_dest (global_codeman, data);
361 mono_global_codeman_commit (void *data, int size, int newsize)
364 mono_code_manager_commit (global_codeman, data, size, newsize);
369 * Convenience function which calls mono_global_codeman_commit to validate and
370 * copy the code. The caller sets *buf_base and *buf_size to the start and size
371 * of the buffer (allocated by mono_global_codeman_reserve), and *code_end to
372 * the byte after the last instruction byte. On return, *buf_base will point to
373 * the start of the copied in the code segment, and *code_end will point after
374 * the end of the copied code.
377 nacl_global_codeman_validate (guint8 **buf_base, int buf_size, guint8 **code_end)
379 guint8 *tmp = nacl_global_codeman_get_dest (*buf_base);
380 mono_global_codeman_commit (*buf_base, buf_size, *code_end - *buf_base);
381 *code_end = tmp + (*code_end - *buf_base);
385 /* no-op versions of Native Client functions */
387 nacl_global_codeman_get_dest (void *data)
393 mono_global_codeman_commit (void *data, int size, int newsize)
398 nacl_global_codeman_validate (guint8 **buf_base, int buf_size, guint8 **code_end)
402 #endif /* __native_client__ */
405 * mono_create_unwind_op:
407 * Create an unwind op with the given parameters.
410 mono_create_unwind_op (int when, int tag, int reg, int val)
412 MonoUnwindOp *op = g_new0 (MonoUnwindOp, 1);
423 mono_jump_info_token_new2 (MonoMemPool *mp, MonoImage *image, guint32 token, MonoGenericContext *context)
425 MonoJumpInfoToken *res = mono_mempool_alloc0 (mp, sizeof (MonoJumpInfoToken));
428 res->has_context = context != NULL;
430 memcpy (&res->context, context, sizeof (MonoGenericContext));
436 mono_jump_info_token_new (MonoMemPool *mp, MonoImage *image, guint32 token)
438 return mono_jump_info_token_new2 (mp, image, token, NULL);
442 * mono_tramp_info_create:
444 * Create a MonoTrampInfo structure from the arguments. This function assumes ownership
445 * of JI, and UNWIND_OPS.
448 mono_tramp_info_create (const char *name, guint8 *code, guint32 code_size, MonoJumpInfo *ji, GSList *unwind_ops)
450 MonoTrampInfo *info = g_new0 (MonoTrampInfo, 1);
452 info->name = g_strdup ((char*)name);
454 info->code_size = code_size;
456 info->unwind_ops = unwind_ops;
462 mono_tramp_info_free (MonoTrampInfo *info)
469 for (l = info->unwind_ops; l; l = l->next)
471 g_slist_free (info->unwind_ops);
476 * mono_tramp_info_register:
478 * Remember INFO for use by xdebug, mono_print_method_from_ip (), jit maps, etc.
483 mono_tramp_info_register (MonoTrampInfo *info)
490 copy = g_new0 (MonoTrampInfo, 1);
491 copy->code = info->code;
492 copy->code_size = info->code_size;
493 copy->name = g_strdup (info->name);
496 tramp_infos = g_slist_prepend (tramp_infos, copy);
499 mono_save_trampoline_xdebug_info (info);
501 if (mono_jit_map_is_enabled ())
502 mono_emit_jit_tramp (info->code, info->code_size, info->name);
504 mono_tramp_info_free (info);
508 mono_tramp_info_cleanup (void)
512 for (l = tramp_infos; l; l = l->next) {
513 MonoTrampInfo *info = l->data;
515 mono_tramp_info_free (info);
517 g_slist_free (tramp_infos);
520 G_GNUC_UNUSED static void
526 * Runtime debugging tool, use if (debug_count ()) <x> else <y> to do <x> the first COUNT times, then do <y> afterwards.
527 * Set a breakpoint in break_count () to break the last time <x> is done.
529 G_GNUC_UNUSED gboolean
530 mono_debug_count (void)
532 static int count = 0;
533 static gboolean inited;
534 static const char *value;
539 value = g_getenv ("COUNT");
546 if (count == atoi (value))
549 if (count > atoi (value))
556 mono_icall_get_wrapper_full (MonoJitICallInfo* callinfo, gboolean do_compile)
560 gconstpointer trampoline;
561 MonoDomain *domain = mono_get_root_domain ();
562 gboolean check_exc = check_for_pending_exc;
564 if (callinfo->wrapper) {
565 return callinfo->wrapper;
568 if (callinfo->trampoline)
569 return callinfo->trampoline;
572 * We use the lock on the root domain instead of the JIT lock to protect
573 * callinfo->trampoline, since we do a lot of stuff inside the critical section.
575 mono_loader_lock (); /*FIXME mono_compile_method requires the loader lock, by large.*/
576 mono_domain_lock (domain);
578 if (callinfo->trampoline) {
579 mono_domain_unlock (domain);
580 mono_loader_unlock ();
581 return callinfo->trampoline;
584 if (!strcmp (callinfo->name, "mono_thread_interruption_checkpoint"))
585 /* This icall is used to check for exceptions, so don't check in the wrapper */
588 name = g_strdup_printf ("__icall_wrapper_%s", callinfo->name);
589 wrapper = mono_marshal_get_icall_wrapper (callinfo->sig, name, callinfo->func, check_exc);
593 trampoline = mono_compile_method (wrapper);
595 trampoline = mono_create_ftnptr (domain, mono_create_jit_trampoline_in_domain (domain, wrapper));
596 mono_register_jit_icall_wrapper (callinfo, trampoline);
598 callinfo->trampoline = trampoline;
600 mono_domain_unlock (domain);
601 mono_loader_unlock ();
603 return callinfo->trampoline;
607 mono_icall_get_wrapper (MonoJitICallInfo* callinfo)
609 return mono_icall_get_wrapper_full (callinfo, FALSE);
612 static MonoJitDynamicMethodInfo*
613 mono_dynamic_code_hash_lookup (MonoDomain *domain, MonoMethod *method)
615 MonoJitDynamicMethodInfo *res;
617 if (domain_jit_info (domain)->dynamic_code_hash)
618 res = g_hash_table_lookup (domain_jit_info (domain)->dynamic_code_hash, method);
625 register_opcode_emulation (int opcode, const char *name, const char *sigstr, gpointer func, const char *symbol, gboolean no_throw)
627 return mini_register_opcode_emulation (opcode, name, sigstr, func, symbol, no_throw);
631 * For JIT icalls implemented in C.
632 * NAME should be the same as the name of the C function whose address is FUNC.
633 * If SAVE is TRUE, no wrapper is generated. This is for perf critical icalls which
634 * can't throw exceptions.
637 register_icall (gpointer func, const char *name, const char *sigstr, gboolean save)
639 MonoMethodSignature *sig;
642 sig = mono_create_icall_signature (sigstr);
646 mono_register_jit_icall_full (func, name, sig, save, FALSE, save ? name : NULL);
650 register_dyn_icall (gpointer func, const char *name, const char *sigstr, gboolean save)
652 MonoMethodSignature *sig;
655 sig = mono_create_icall_signature (sigstr);
659 mono_register_jit_icall (func, name, sig, save);
662 #ifdef MONO_HAVE_FAST_TLS
663 MONO_FAST_TLS_DECLARE(mono_lmf_addr);
664 #ifdef MONO_ARCH_ENABLE_MONO_LMF_VAR
666 * When this is defined, the current lmf is stored in this tls variable instead of in
669 MONO_FAST_TLS_DECLARE(mono_lmf);
674 mono_get_jit_tls_offset (void)
680 offset = mono_jit_tls_id;
682 /* FIXME: Happens during startup */
685 MONO_THREAD_VAR_OFFSET (mono_jit_tls, offset);
691 mono_get_lmf_tls_offset (void)
693 #if defined(MONO_ARCH_ENABLE_MONO_LMF_VAR)
695 MONO_THREAD_VAR_OFFSET(mono_lmf,offset);
703 mono_get_lmf_addr_tls_offset (void)
706 MONO_THREAD_VAR_OFFSET(mono_lmf_addr,offset);
713 #if defined(MONO_HAVE_FAST_TLS) && defined(MONO_ARCH_ENABLE_MONO_LMF_VAR)
714 return MONO_FAST_TLS_GET (mono_lmf);
716 MonoJitTlsData *jit_tls;
718 if ((jit_tls = mono_native_tls_get_value (mono_jit_tls_id)))
721 * We do not assert here because this function can be called from
722 * mini-gc.c on a thread that has not executed any managed code, yet
723 * (the thread object allocation can trigger a collection).
730 mono_get_lmf_addr (void)
732 #ifdef MONO_HAVE_FAST_TLS
733 return MONO_FAST_TLS_GET (mono_lmf_addr);
735 MonoJitTlsData *jit_tls;
737 jit_tls = mono_native_tls_get_value (mono_jit_tls_id);
738 if (G_LIKELY (jit_tls))
739 return &jit_tls->lmf;
742 * When resolving the call to mono_jit_thread_attach full-aot will look
743 * in the plt, which causes a call into the generic trampoline, which in turn
744 * tries to resolve the lmf_addr creating a cyclic dependency. We cannot
745 * call mono_jit_thread_attach from the native-to-managed wrapper, without
746 * mono_get_lmf_addr, and mono_get_lmf_addr requires the thread to be attached.
749 mono_jit_thread_attach (NULL);
751 if ((jit_tls = mono_native_tls_get_value (mono_jit_tls_id)))
752 return &jit_tls->lmf;
754 g_assert_not_reached ();
760 mono_set_lmf (MonoLMF *lmf)
762 #if defined(MONO_HAVE_FAST_TLS) && defined(MONO_ARCH_ENABLE_MONO_LMF_VAR)
763 MONO_FAST_TLS_SET (mono_lmf, lmf);
766 (*mono_get_lmf_addr ()) = lmf;
770 mono_get_jit_tls (void)
772 return mono_native_tls_get_value (mono_jit_tls_id);
776 mono_set_jit_tls (MonoJitTlsData *jit_tls)
778 MonoThreadInfo *info;
780 mono_native_tls_set_value (mono_jit_tls_id, jit_tls);
782 #ifdef MONO_HAVE_FAST_TLS
783 MONO_FAST_TLS_SET (mono_jit_tls, jit_tls);
786 /* Save it into MonoThreadInfo so it can be accessed by mono_thread_state_init_from_handle () */
787 info = mono_thread_info_current ();
789 mono_thread_info_tls_set (info, TLS_KEY_JIT_TLS, jit_tls);
793 mono_set_lmf_addr (gpointer lmf_addr)
795 MonoThreadInfo *info;
797 #ifdef MONO_HAVE_FAST_TLS
798 MONO_FAST_TLS_SET (mono_lmf_addr, lmf_addr);
801 /* Save it into MonoThreadInfo so it can be accessed by mono_thread_state_init_from_handle () */
802 info = mono_thread_info_current ();
804 mono_thread_info_tls_set (info, TLS_KEY_LMF_ADDR, lmf_addr);
808 * mono_jit_thread_attach:
810 * Called by native->managed wrappers. Returns the original domain which needs to be
814 mono_jit_thread_attach (MonoDomain *domain)
820 * Happens when called from AOTed code which is only used in the root
823 domain = mono_get_root_domain ();
825 #ifdef MONO_HAVE_FAST_TLS
826 if (!MONO_FAST_TLS_GET (mono_lmf_addr)) {
827 mono_thread_attach (domain);
829 mono_thread_set_state (mono_thread_internal_current (), ThreadState_Background);
832 if (!mono_native_tls_get_value (mono_jit_tls_id)) {
833 mono_thread_attach (domain);
834 mono_thread_set_state (mono_thread_internal_current (), ThreadState_Background);
837 orig = mono_domain_get ();
839 mono_domain_set (domain, TRUE);
841 return orig != domain ? orig : NULL;
844 /* Called by native->managed wrappers */
846 mono_jit_set_domain (MonoDomain *domain)
849 mono_domain_set (domain, TRUE);
854 * @obj: exception object
856 * abort the thread, print exception information and stack trace
859 mono_thread_abort (MonoObject *obj)
861 /* MonoJitTlsData *jit_tls = mono_native_tls_get_value (mono_jit_tls_id); */
863 /* handle_remove should be eventually called for this thread, too
866 if ((mono_runtime_unhandled_exception_policy_get () == MONO_UNHANDLED_POLICY_LEGACY) ||
867 (obj->vtable->klass == mono_defaults.threadabortexception_class)) {
870 mono_invoke_unhandled_exception_hook (obj);
875 setup_jit_tls_data (gpointer stack_start, gpointer abort_func)
877 MonoJitTlsData *jit_tls;
880 jit_tls = mono_native_tls_get_value (mono_jit_tls_id);
884 jit_tls = g_new0 (MonoJitTlsData, 1);
886 jit_tls->abort_func = abort_func;
887 jit_tls->end_of_stack = stack_start;
889 mono_set_jit_tls (jit_tls);
891 lmf = g_new0 (MonoLMF, 1);
892 MONO_ARCH_INIT_TOP_LMF_ENTRY (lmf);
894 jit_tls->first_lmf = lmf;
896 #if defined(MONO_HAVE_FAST_TLS) && defined(MONO_ARCH_ENABLE_MONO_LMF_VAR)
897 /* jit_tls->lmf is unused */
898 MONO_FAST_TLS_SET (mono_lmf, lmf);
899 mono_set_lmf_addr (MONO_FAST_TLS_ADDR (mono_lmf));
901 mono_set_lmf_addr (&jit_tls->lmf);
906 #ifdef MONO_ARCH_HAVE_TLS_INIT
907 mono_arch_tls_init ();
910 mono_setup_altstack (jit_tls);
916 free_jit_tls_data (MonoJitTlsData *jit_tls)
918 mono_arch_free_jit_tls_data (jit_tls);
919 mono_free_altstack (jit_tls);
921 g_free (jit_tls->first_lmf);
926 mono_thread_start_cb (intptr_t tid, gpointer stack_start, gpointer func)
928 MonoInternalThread *thread;
929 void *jit_tls = setup_jit_tls_data (stack_start, mono_thread_abort);
930 thread = mono_thread_internal_current ();
932 thread->jit_data = jit_tls;
934 mono_arch_cpu_init ();
937 void (*mono_thread_attach_aborted_cb ) (MonoObject *obj) = NULL;
940 mono_thread_abort_dummy (MonoObject *obj)
942 if (mono_thread_attach_aborted_cb)
943 mono_thread_attach_aborted_cb (obj);
945 mono_thread_abort (obj);
949 mono_thread_attach_cb (intptr_t tid, gpointer stack_start)
951 MonoInternalThread *thread;
952 void *jit_tls = setup_jit_tls_data (stack_start, mono_thread_abort_dummy);
953 thread = mono_thread_internal_current ();
955 thread->jit_data = jit_tls;
956 if (mono_profiler_get_events () & MONO_PROFILE_STATISTICAL)
957 mono_runtime_setup_stat_profiler ();
959 mono_arch_cpu_init ();
963 mini_thread_cleanup (MonoInternalThread *thread)
965 MonoJitTlsData *jit_tls = thread->jit_data;
968 /* We can't clean up tls information if we are on another thread, it will clean up the wrong stuff
969 * It would be nice to issue a warning when this happens outside of the shutdown sequence. but it's
970 * not a trivial thing.
972 * The current offender is mono_thread_manage which cleanup threads from the outside.
974 if (thread == mono_thread_internal_current ())
975 mono_set_jit_tls (NULL);
977 /* If we attach a thread but never call into managed land, we might never get an lmf.*/
978 if (mono_get_lmf ()) {
980 mono_set_lmf_addr (NULL);
983 free_jit_tls_data (jit_tls);
985 thread->jit_data = NULL;
990 mini_get_tls_offset (MonoTlsKey key)
996 offset = mono_thread_get_tls_offset ();
998 case TLS_KEY_JIT_TLS:
999 offset = mono_get_jit_tls_offset ();
1001 case TLS_KEY_DOMAIN:
1002 offset = mono_domain_get_tls_offset ();
1005 offset = mono_get_lmf_tls_offset ();
1007 case TLS_KEY_LMF_ADDR:
1008 offset = mono_get_lmf_addr_tls_offset ();
1011 offset = mono_tls_key_get_offset (key);
1012 g_assert (offset != -1);
1020 mini_tls_key_supported (MonoTlsKey key)
1022 if (!MONO_ARCH_HAVE_TLS_GET)
1025 return mini_get_tls_offset (key) != -1;
1029 mono_patch_info_list_prepend (MonoJumpInfo *list, int ip, MonoJumpInfoType type, gconstpointer target)
1031 MonoJumpInfo *ji = g_new0 (MonoJumpInfo, 1);
1035 ji->data.target = target;
1042 * mono_patch_info_dup_mp:
1044 * Make a copy of PATCH_INFO, allocating memory from the mempool MP.
1047 mono_patch_info_dup_mp (MonoMemPool *mp, MonoJumpInfo *patch_info)
1049 MonoJumpInfo *res = mono_mempool_alloc (mp, sizeof (MonoJumpInfo));
1050 memcpy (res, patch_info, sizeof (MonoJumpInfo));
1052 switch (patch_info->type) {
1053 case MONO_PATCH_INFO_RVA:
1054 case MONO_PATCH_INFO_LDSTR:
1055 case MONO_PATCH_INFO_TYPE_FROM_HANDLE:
1056 case MONO_PATCH_INFO_LDTOKEN:
1057 case MONO_PATCH_INFO_DECLSEC:
1058 res->data.token = mono_mempool_alloc (mp, sizeof (MonoJumpInfoToken));
1059 memcpy (res->data.token, patch_info->data.token, sizeof (MonoJumpInfoToken));
1061 case MONO_PATCH_INFO_SWITCH:
1062 res->data.table = mono_mempool_alloc (mp, sizeof (MonoJumpInfoBBTable));
1063 memcpy (res->data.table, patch_info->data.table, sizeof (MonoJumpInfoBBTable));
1064 res->data.table->table = mono_mempool_alloc (mp, sizeof (MonoBasicBlock*) * patch_info->data.table->table_size);
1065 memcpy (res->data.table->table, patch_info->data.table->table, sizeof (MonoBasicBlock*) * patch_info->data.table->table_size);
1067 case MONO_PATCH_INFO_RGCTX_FETCH:
1068 res->data.rgctx_entry = mono_mempool_alloc (mp, sizeof (MonoJumpInfoRgctxEntry));
1069 memcpy (res->data.rgctx_entry, patch_info->data.rgctx_entry, sizeof (MonoJumpInfoRgctxEntry));
1070 res->data.rgctx_entry->data = mono_patch_info_dup_mp (mp, res->data.rgctx_entry->data);
1072 case MONO_PATCH_INFO_DELEGATE_TRAMPOLINE:
1073 res->data.del_tramp = mono_mempool_alloc0 (mp, sizeof (MonoDelegateClassMethodPair));
1074 memcpy (res->data.del_tramp, patch_info->data.del_tramp, sizeof (MonoDelegateClassMethodPair));
1076 case MONO_PATCH_INFO_GSHAREDVT_CALL:
1077 res->data.gsharedvt = mono_mempool_alloc (mp, sizeof (MonoJumpInfoGSharedVtCall));
1078 memcpy (res->data.gsharedvt, patch_info->data.gsharedvt, sizeof (MonoJumpInfoGSharedVtCall));
1080 case MONO_PATCH_INFO_GSHAREDVT_METHOD: {
1081 MonoGSharedVtMethodInfo *info;
1082 MonoGSharedVtMethodInfo *oinfo;
1085 oinfo = patch_info->data.gsharedvt_method;
1086 info = mono_mempool_alloc (mp, sizeof (MonoGSharedVtMethodInfo));
1087 res->data.gsharedvt_method = info;
1088 memcpy (info, oinfo, sizeof (MonoGSharedVtMethodInfo));
1089 info->entries = mono_mempool_alloc (mp, sizeof (MonoRuntimeGenericContextInfoTemplate) * info->count_entries);
1090 for (i = 0; i < oinfo->num_entries; ++i) {
1091 MonoRuntimeGenericContextInfoTemplate *otemplate = &oinfo->entries [i];
1092 MonoRuntimeGenericContextInfoTemplate *template = &info->entries [i];
1094 memcpy (template, otemplate, sizeof (MonoRuntimeGenericContextInfoTemplate));
1096 //info->locals_types = mono_mempool_alloc0 (mp, info->nlocals * sizeof (MonoType*));
1097 //memcpy (info->locals_types, oinfo->locals_types, info->nlocals * sizeof (MonoType*));
1108 mono_patch_info_hash (gconstpointer data)
1110 const MonoJumpInfo *ji = (MonoJumpInfo*)data;
1113 case MONO_PATCH_INFO_RVA:
1114 case MONO_PATCH_INFO_LDSTR:
1115 case MONO_PATCH_INFO_LDTOKEN:
1116 case MONO_PATCH_INFO_DECLSEC:
1117 return (ji->type << 8) | ji->data.token->token;
1118 case MONO_PATCH_INFO_TYPE_FROM_HANDLE:
1119 return (ji->type << 8) | ji->data.token->token | (ji->data.token->has_context ? (gsize)ji->data.token->context.class_inst : 0);
1120 case MONO_PATCH_INFO_INTERNAL_METHOD:
1121 return (ji->type << 8) | g_str_hash (ji->data.name);
1122 case MONO_PATCH_INFO_VTABLE:
1123 case MONO_PATCH_INFO_CLASS:
1124 case MONO_PATCH_INFO_IID:
1125 case MONO_PATCH_INFO_ADJUSTED_IID:
1126 case MONO_PATCH_INFO_CLASS_INIT:
1127 case MONO_PATCH_INFO_GENERIC_CLASS_INIT:
1128 case MONO_PATCH_INFO_METHODCONST:
1129 case MONO_PATCH_INFO_METHOD:
1130 case MONO_PATCH_INFO_METHOD_JUMP:
1131 case MONO_PATCH_INFO_IMAGE:
1132 case MONO_PATCH_INFO_JIT_ICALL_ADDR:
1133 case MONO_PATCH_INFO_ICALL_ADDR:
1134 case MONO_PATCH_INFO_FIELD:
1135 case MONO_PATCH_INFO_SFLDA:
1136 case MONO_PATCH_INFO_SEQ_POINT_INFO:
1137 case MONO_PATCH_INFO_METHOD_RGCTX:
1138 case MONO_PATCH_INFO_SIGNATURE:
1139 case MONO_PATCH_INFO_TLS_OFFSET:
1140 case MONO_PATCH_INFO_METHOD_CODE_SLOT:
1141 return (ji->type << 8) | (gssize)ji->data.target;
1142 case MONO_PATCH_INFO_GSHAREDVT_CALL:
1143 return (ji->type << 8) | (gssize)ji->data.gsharedvt->method;
1144 case MONO_PATCH_INFO_RGCTX_FETCH: {
1145 MonoJumpInfoRgctxEntry *e = ji->data.rgctx_entry;
1147 return (ji->type << 8) | (gssize)e->method | (e->in_mrgctx) | e->info_type | mono_patch_info_hash (e->data);
1149 case MONO_PATCH_INFO_INTERRUPTION_REQUEST_FLAG:
1150 case MONO_PATCH_INFO_MSCORLIB_GOT_ADDR:
1151 case MONO_PATCH_INFO_GC_CARD_TABLE_ADDR:
1152 case MONO_PATCH_INFO_JIT_TLS_ID:
1153 case MONO_PATCH_INFO_MONITOR_ENTER:
1154 case MONO_PATCH_INFO_MONITOR_ENTER_V4:
1155 case MONO_PATCH_INFO_MONITOR_EXIT:
1156 case MONO_PATCH_INFO_GOT_OFFSET:
1157 return (ji->type << 8);
1158 case MONO_PATCH_INFO_CASTCLASS_CACHE:
1159 return (ji->type << 8) | (ji->data.index);
1160 case MONO_PATCH_INFO_SWITCH:
1161 return (ji->type << 8) | ji->data.table->table_size;
1162 case MONO_PATCH_INFO_GSHAREDVT_METHOD:
1163 return (ji->type << 8) | (gssize)ji->data.gsharedvt_method->method;
1164 case MONO_PATCH_INFO_OBJC_SELECTOR_REF:
1165 /* Hash on the selector name */
1166 return g_str_hash (ji->data.target);
1167 case MONO_PATCH_INFO_DELEGATE_TRAMPOLINE:
1168 return (ji->type << 8) | (gsize)ji->data.del_tramp->klass | (gsize)ji->data.del_tramp->method | (gsize)ji->data.del_tramp->virtual;
1169 case MONO_PATCH_INFO_LDSTR_LIT:
1170 return g_str_hash (ji->data.target);
1172 printf ("info type: %d\n", ji->type);
1173 mono_print_ji (ji); printf ("\n");
1174 g_assert_not_reached ();
1180 * mono_patch_info_equal:
1182 * This might fail to recognize equivalent patches, i.e. floats, so its only
1183 * usable in those cases where this is not a problem, i.e. sharing GOT slots
1187 mono_patch_info_equal (gconstpointer ka, gconstpointer kb)
1189 const MonoJumpInfo *ji1 = (MonoJumpInfo*)ka;
1190 const MonoJumpInfo *ji2 = (MonoJumpInfo*)kb;
1192 if (ji1->type != ji2->type)
1195 switch (ji1->type) {
1196 case MONO_PATCH_INFO_RVA:
1197 case MONO_PATCH_INFO_LDSTR:
1198 case MONO_PATCH_INFO_TYPE_FROM_HANDLE:
1199 case MONO_PATCH_INFO_LDTOKEN:
1200 case MONO_PATCH_INFO_DECLSEC:
1201 if ((ji1->data.token->image != ji2->data.token->image) ||
1202 (ji1->data.token->token != ji2->data.token->token) ||
1203 (ji1->data.token->has_context != ji2->data.token->has_context) ||
1204 (ji1->data.token->context.class_inst != ji2->data.token->context.class_inst) ||
1205 (ji1->data.token->context.method_inst != ji2->data.token->context.method_inst))
1208 case MONO_PATCH_INFO_INTERNAL_METHOD:
1209 return g_str_equal (ji1->data.name, ji2->data.name);
1210 case MONO_PATCH_INFO_RGCTX_FETCH: {
1211 MonoJumpInfoRgctxEntry *e1 = ji1->data.rgctx_entry;
1212 MonoJumpInfoRgctxEntry *e2 = ji2->data.rgctx_entry;
1214 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);
1216 case MONO_PATCH_INFO_GSHAREDVT_CALL: {
1217 MonoJumpInfoGSharedVtCall *c1 = ji1->data.gsharedvt;
1218 MonoJumpInfoGSharedVtCall *c2 = ji2->data.gsharedvt;
1220 return c1->sig == c2->sig && c1->method == c2->method;
1222 case MONO_PATCH_INFO_GSHAREDVT_METHOD:
1223 return ji1->data.gsharedvt_method->method == ji2->data.gsharedvt_method->method;
1224 case MONO_PATCH_INFO_DELEGATE_TRAMPOLINE:
1225 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;
1226 case MONO_PATCH_INFO_CASTCLASS_CACHE:
1227 return ji1->data.index == ji2->data.index;
1229 if (ji1->data.target != ji2->data.target)
1238 mono_resolve_patch_target (MonoMethod *method, MonoDomain *domain, guint8 *code, MonoJumpInfo *patch_info, gboolean run_cctors)
1240 unsigned char *ip = patch_info->ip.i + code;
1241 gconstpointer target = NULL;
1243 switch (patch_info->type) {
1244 case MONO_PATCH_INFO_BB:
1246 * FIXME: This could be hit for methods without a prolog. Should use -1
1247 * but too much code depends on a 0 initial value.
1249 //g_assert (patch_info->data.bb->native_offset);
1250 target = patch_info->data.bb->native_offset + code;
1252 case MONO_PATCH_INFO_ABS:
1253 target = patch_info->data.target;
1255 case MONO_PATCH_INFO_LABEL:
1256 target = patch_info->data.inst->inst_c0 + code;
1258 case MONO_PATCH_INFO_IP:
1259 #if defined(__native_client__) && defined(__native_client_codegen__)
1260 /* Need to transform to the destination address, it's */
1261 /* emitted as an immediate in the code. */
1262 target = nacl_inverse_modify_patch_target(ip);
1267 case MONO_PATCH_INFO_METHOD_REL:
1268 target = code + patch_info->data.offset;
1270 case MONO_PATCH_INFO_INTERNAL_METHOD: {
1271 MonoJitICallInfo *mi = mono_find_jit_icall_by_name (patch_info->data.name);
1273 g_warning ("unknown MONO_PATCH_INFO_INTERNAL_METHOD %s", patch_info->data.name);
1274 g_assert_not_reached ();
1276 target = mono_icall_get_wrapper (mi);
1279 case MONO_PATCH_INFO_JIT_ICALL_ADDR: {
1280 MonoJitICallInfo *mi = mono_find_jit_icall_by_name (patch_info->data.name);
1282 g_warning ("unknown MONO_PATCH_INFO_JIT_ICALL_ADDR %s", patch_info->data.name);
1283 g_assert_not_reached ();
1288 case MONO_PATCH_INFO_METHOD_JUMP:
1289 target = mono_create_jump_trampoline (domain, patch_info->data.method, FALSE);
1290 #if defined(__native_client__) && defined(__native_client_codegen__)
1291 # if defined(TARGET_AMD64)
1292 /* This target is an absolute address, not relative to the */
1293 /* current code being emitted on AMD64. */
1294 target = nacl_inverse_modify_patch_target(target);
1298 case MONO_PATCH_INFO_METHOD:
1299 #if defined(__native_client_codegen__) && defined(USE_JUMP_TABLES)
1301 * If we use jumptables, for recursive calls we cannot
1302 * avoid trampoline, as we not yet know where we will
1305 target = mono_create_jit_trampoline_in_domain (domain, patch_info->data.method);
1307 if (patch_info->data.method == method) {
1310 /* get the trampoline to the method from the domain */
1311 target = mono_create_jit_trampoline_in_domain (domain, patch_info->data.method);
1315 case MONO_PATCH_INFO_METHOD_CODE_SLOT: {
1318 mono_domain_lock (domain);
1319 if (!domain_jit_info (domain)->method_code_hash)
1320 domain_jit_info (domain)->method_code_hash = g_hash_table_new (NULL, NULL);
1321 code_slot = g_hash_table_lookup (domain_jit_info (domain)->method_code_hash, patch_info->data.method);
1323 code_slot = mono_domain_alloc0 (domain, sizeof (gpointer));
1324 g_hash_table_insert (domain_jit_info (domain)->method_code_hash, patch_info->data.method, code_slot);
1326 mono_domain_unlock (domain);
1330 case MONO_PATCH_INFO_SWITCH: {
1331 gpointer *jump_table;
1333 #if defined(__native_client__) && defined(__native_client_codegen__)
1334 /* This memory will leak, but we don't care if we're */
1335 /* not deleting JIT'd methods anyway */
1336 jump_table = g_malloc0 (sizeof(gpointer) * patch_info->data.table->table_size);
1338 if (method && method->dynamic) {
1339 jump_table = mono_code_manager_reserve (mono_dynamic_code_hash_lookup (domain, method)->code_mp, sizeof (gpointer) * patch_info->data.table->table_size);
1341 if (mono_aot_only) {
1342 jump_table = mono_domain_alloc (domain, sizeof (gpointer) * patch_info->data.table->table_size);
1344 jump_table = mono_domain_code_reserve (domain, sizeof (gpointer) * patch_info->data.table->table_size);
1349 for (i = 0; i < patch_info->data.table->table_size; i++) {
1350 #if defined(__native_client__) && defined(__native_client_codegen__)
1351 /* 'code' is relative to the current code blob, we */
1352 /* need to do this transform on it to make the */
1353 /* pointers in this table absolute */
1354 jump_table [i] = nacl_inverse_modify_patch_target (code) + GPOINTER_TO_INT (patch_info->data.table->table [i]);
1356 jump_table [i] = code + GPOINTER_TO_INT (patch_info->data.table->table [i]);
1360 #if defined(__native_client__) && defined(__native_client_codegen__)
1361 /* jump_table is in the data section, we need to transform */
1362 /* it here so when it gets modified in amd64_patch it will */
1363 /* then point back to the absolute data address */
1364 target = nacl_inverse_modify_patch_target (jump_table);
1366 target = jump_table;
1370 case MONO_PATCH_INFO_METHODCONST:
1371 case MONO_PATCH_INFO_CLASS:
1372 case MONO_PATCH_INFO_IMAGE:
1373 case MONO_PATCH_INFO_FIELD:
1374 case MONO_PATCH_INFO_SIGNATURE:
1375 target = patch_info->data.target;
1377 case MONO_PATCH_INFO_IID:
1378 mono_class_init (patch_info->data.klass);
1379 target = GINT_TO_POINTER ((int)patch_info->data.klass->interface_id);
1381 case MONO_PATCH_INFO_ADJUSTED_IID:
1382 mono_class_init (patch_info->data.klass);
1383 target = GINT_TO_POINTER ((int)(-((patch_info->data.klass->interface_id + 1) * SIZEOF_VOID_P)));
1385 case MONO_PATCH_INFO_VTABLE:
1386 target = mono_class_vtable (domain, patch_info->data.klass);
1389 case MONO_PATCH_INFO_CLASS_INIT: {
1390 MonoVTable *vtable = mono_class_vtable (domain, patch_info->data.klass);
1393 target = mono_create_class_init_trampoline (vtable);
1396 case MONO_PATCH_INFO_DELEGATE_TRAMPOLINE: {
1397 MonoDelegateClassMethodPair *del_tramp = patch_info->data.del_tramp;
1399 if (del_tramp->virtual)
1400 target = mono_create_delegate_virtual_trampoline (domain, del_tramp->klass, del_tramp->method);
1402 target = mono_create_delegate_trampoline_info (domain, del_tramp->klass, del_tramp->method);
1405 case MONO_PATCH_INFO_SFLDA: {
1406 MonoVTable *vtable = mono_class_vtable (domain, patch_info->data.field->parent);
1408 if (mono_class_field_is_special_static (patch_info->data.field)) {
1409 gpointer addr = NULL;
1411 mono_domain_lock (domain);
1412 if (domain->special_static_fields)
1413 addr = g_hash_table_lookup (domain->special_static_fields, patch_info->data.field);
1414 mono_domain_unlock (domain);
1420 if (!vtable->initialized && !(vtable->klass->flags & TYPE_ATTRIBUTE_BEFORE_FIELD_INIT) && (method && mono_class_needs_cctor_run (vtable->klass, method)))
1421 /* Done by the generated code */
1425 mono_runtime_class_init (vtable);
1427 target = (char*)mono_vtable_get_static_field_data (vtable) + patch_info->data.field->offset;
1430 case MONO_PATCH_INFO_RVA: {
1431 guint32 field_index = mono_metadata_token_index (patch_info->data.token->token);
1434 mono_metadata_field_info (patch_info->data.token->image, field_index - 1, NULL, &rva, NULL);
1435 target = mono_image_rva_map (patch_info->data.token->image, rva);
1438 case MONO_PATCH_INFO_R4:
1439 case MONO_PATCH_INFO_R8:
1440 target = patch_info->data.target;
1442 case MONO_PATCH_INFO_EXC_NAME:
1443 target = patch_info->data.name;
1445 case MONO_PATCH_INFO_LDSTR:
1447 mono_ldstr (domain, patch_info->data.token->image,
1448 mono_metadata_token_index (patch_info->data.token->token));
1450 case MONO_PATCH_INFO_TYPE_FROM_HANDLE: {
1452 MonoClass *handle_class;
1455 handle = mono_ldtoken_checked (patch_info->data.token->image,
1456 patch_info->data.token->token, &handle_class, patch_info->data.token->has_context ? &patch_info->data.token->context : NULL, &error);
1457 if (!mono_error_ok (&error))
1458 g_error ("Could not patch ldtoken due to %s", mono_error_get_message (&error));
1459 mono_class_init (handle_class);
1460 mono_class_init (mono_class_from_mono_type (handle));
1463 mono_type_get_object (domain, handle);
1466 case MONO_PATCH_INFO_LDTOKEN: {
1468 MonoClass *handle_class;
1471 handle = mono_ldtoken_checked (patch_info->data.token->image,
1472 patch_info->data.token->token, &handle_class, patch_info->data.token->has_context ? &patch_info->data.token->context : NULL, &error);
1473 if (!mono_error_ok (&error))
1474 g_error ("Could not patch ldtoken due to %s", mono_error_get_message (&error));
1475 mono_class_init (handle_class);
1480 case MONO_PATCH_INFO_DECLSEC:
1481 target = (mono_metadata_blob_heap (patch_info->data.token->image, patch_info->data.token->token) + 2);
1483 case MONO_PATCH_INFO_ICALL_ADDR:
1484 /* run_cctors == 0 -> AOT */
1485 if (patch_info->data.method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL) {
1486 const char *exc_class;
1487 const char *exc_arg;
1490 target = mono_lookup_pinvoke_call (patch_info->data.method, &exc_class, &exc_arg);
1493 mono_raise_exception (mono_exception_from_name_msg (mono_defaults.corlib, "System", exc_class, exc_arg));
1494 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));
1500 target = mono_lookup_internal_call (patch_info->data.method);
1502 if (!target && run_cctors)
1503 g_error ("Unregistered icall '%s'\n", mono_method_full_name (patch_info->data.method, TRUE));
1506 case MONO_PATCH_INFO_INTERRUPTION_REQUEST_FLAG:
1507 target = mono_thread_interruption_request_flag ();
1509 case MONO_PATCH_INFO_METHOD_RGCTX: {
1510 MonoVTable *vtable = mono_class_vtable (domain, patch_info->data.method->klass);
1513 target = mono_method_lookup_rgctx (vtable, mini_method_get_context (patch_info->data.method)->method_inst);
1516 case MONO_PATCH_INFO_BB_OVF:
1517 case MONO_PATCH_INFO_EXC_OVF:
1518 case MONO_PATCH_INFO_GOT_OFFSET:
1519 case MONO_PATCH_INFO_NONE:
1521 case MONO_PATCH_INFO_RGCTX_FETCH: {
1522 MonoJumpInfoRgctxEntry *entry = patch_info->data.rgctx_entry;
1525 switch (entry->data->type) {
1526 case MONO_PATCH_INFO_CLASS:
1527 slot = mono_method_lookup_or_register_info (entry->method, entry->in_mrgctx, &entry->data->data.klass->byval_arg, entry->info_type, mono_method_get_context (entry->method));
1529 case MONO_PATCH_INFO_METHOD:
1530 case MONO_PATCH_INFO_METHODCONST:
1531 slot = mono_method_lookup_or_register_info (entry->method, entry->in_mrgctx, entry->data->data.method, entry->info_type, mono_method_get_context (entry->method));
1533 case MONO_PATCH_INFO_FIELD:
1534 slot = mono_method_lookup_or_register_info (entry->method, entry->in_mrgctx, entry->data->data.field, entry->info_type, mono_method_get_context (entry->method));
1536 case MONO_PATCH_INFO_SIGNATURE:
1537 slot = mono_method_lookup_or_register_info (entry->method, entry->in_mrgctx, entry->data->data.sig, entry->info_type, mono_method_get_context (entry->method));
1539 case MONO_PATCH_INFO_GSHAREDVT_CALL: {
1540 MonoJumpInfoGSharedVtCall *call_info = g_malloc0 (sizeof (MonoJumpInfoGSharedVtCall)); //mono_domain_alloc0 (domain, sizeof (MonoJumpInfoGSharedVtCall));
1542 memcpy (call_info, entry->data->data.gsharedvt, sizeof (MonoJumpInfoGSharedVtCall));
1543 slot = mono_method_lookup_or_register_info (entry->method, entry->in_mrgctx, call_info, entry->info_type, mono_method_get_context (entry->method));
1546 case MONO_PATCH_INFO_GSHAREDVT_METHOD: {
1547 MonoGSharedVtMethodInfo *info;
1548 MonoGSharedVtMethodInfo *oinfo = entry->data->data.gsharedvt_method;
1551 /* Make a copy into the domain mempool */
1552 info = g_malloc0 (sizeof (MonoGSharedVtMethodInfo)); //mono_domain_alloc0 (domain, sizeof (MonoGSharedVtMethodInfo));
1553 info->method = oinfo->method;
1554 info->num_entries = oinfo->num_entries;
1555 info->entries = g_malloc0 (sizeof (MonoRuntimeGenericContextInfoTemplate) * info->num_entries);
1556 for (i = 0; i < oinfo->num_entries; ++i) {
1557 MonoRuntimeGenericContextInfoTemplate *otemplate = &oinfo->entries [i];
1558 MonoRuntimeGenericContextInfoTemplate *template = &info->entries [i];
1560 memcpy (template, otemplate, sizeof (MonoRuntimeGenericContextInfoTemplate));
1562 slot = mono_method_lookup_or_register_info (entry->method, entry->in_mrgctx, info, entry->info_type, mono_method_get_context (entry->method));
1566 g_assert_not_reached ();
1570 target = mono_create_rgctx_lazy_fetch_trampoline (slot);
1573 case MONO_PATCH_INFO_GENERIC_CLASS_INIT:
1574 target = mono_create_generic_class_init_trampoline ();
1576 case MONO_PATCH_INFO_MONITOR_ENTER:
1577 target = mono_create_monitor_enter_trampoline ();
1579 case MONO_PATCH_INFO_MONITOR_ENTER_V4:
1580 target = mono_create_monitor_enter_v4_trampoline ();
1582 case MONO_PATCH_INFO_MONITOR_EXIT:
1583 target = mono_create_monitor_exit_trampoline ();
1585 #ifdef MONO_ARCH_SOFT_DEBUG_SUPPORTED
1586 case MONO_PATCH_INFO_SEQ_POINT_INFO:
1588 /* AOT, not needed */
1591 target = mono_arch_get_seq_point_info (domain, code);
1594 case MONO_PATCH_INFO_LLVM_IMT_TRAMPOLINE:
1595 #ifdef MONO_ARCH_LLVM_SUPPORTED
1596 g_assert (mono_use_llvm);
1597 target = mono_create_llvm_imt_trampoline (domain, patch_info->data.imt_tramp->method, patch_info->data.imt_tramp->vt_offset);
1599 g_assert_not_reached ();
1602 case MONO_PATCH_INFO_GC_CARD_TABLE_ADDR: {
1603 int card_table_shift_bits;
1604 gpointer card_table_mask;
1606 target = mono_gc_get_card_table (&card_table_shift_bits, &card_table_mask);
1609 case MONO_PATCH_INFO_CASTCLASS_CACHE: {
1610 target = mono_domain_alloc0 (domain, sizeof (gpointer));
1613 case MONO_PATCH_INFO_JIT_TLS_ID: {
1614 target = (gpointer) (size_t) mono_jit_tls_id;
1617 case MONO_PATCH_INFO_TLS_OFFSET: {
1620 offset = mini_get_tls_offset (GPOINTER_TO_INT (patch_info->data.target));
1621 #ifdef MONO_ARCH_HAVE_TRANSLATE_TLS_OFFSET
1622 offset = mono_arch_translate_tls_offset (offset);
1624 target = GINT_TO_POINTER (offset);
1627 case MONO_PATCH_INFO_OBJC_SELECTOR_REF: {
1631 case MONO_PATCH_INFO_LDSTR_LIT: {
1635 len = strlen (patch_info->data.target);
1636 s = mono_domain_alloc0 (domain, len + 1);
1637 memcpy (s, patch_info->data.target, len);
1643 g_assert_not_reached ();
1646 return (gpointer)target;
1650 is_gsharedvt_type (MonoType *t)
1652 return (t->type == MONO_TYPE_VAR || t->type == MONO_TYPE_MVAR) && t->data.generic_param->gshared_constraint == MONO_TYPE_VALUETYPE;
1656 mini_init_gsctx (MonoDomain *domain, MonoMemPool *mp, MonoGenericContext *context, MonoGenericSharingContext *gsctx)
1658 MonoGenericInst *inst;
1661 memset (gsctx, 0, sizeof (MonoGenericSharingContext));
1663 if (context && context->class_inst) {
1664 inst = context->class_inst;
1666 gsctx->var_is_vt = mono_domain_alloc0 (domain, sizeof (gboolean) * inst->type_argc);
1668 gsctx->var_is_vt = mono_mempool_alloc0 (mp, sizeof (gboolean) * inst->type_argc);
1670 gsctx->var_is_vt = g_new0 (gboolean, inst->type_argc);
1672 for (i = 0; i < inst->type_argc; ++i) {
1673 MonoType *type = inst->type_argv [i];
1675 if (is_gsharedvt_type (type))
1676 gsctx->var_is_vt [i] = TRUE;
1679 if (context && context->method_inst) {
1680 inst = context->method_inst;
1682 gsctx->mvar_is_vt = mono_domain_alloc0 (domain, sizeof (gboolean) * inst->type_argc);
1684 gsctx->mvar_is_vt = mono_mempool_alloc0 (mp, sizeof (gboolean) * inst->type_argc);
1686 gsctx->mvar_is_vt = g_new0 (gboolean, inst->type_argc);
1688 for (i = 0; i < inst->type_argc; ++i) {
1689 MonoType *type = inst->type_argv [i];
1691 if (is_gsharedvt_type (type))
1692 gsctx->mvar_is_vt [i] = TRUE;
1698 * LOCKING: Acquires the jit code hash lock.
1701 mini_lookup_method (MonoDomain *domain, MonoMethod *method, MonoMethod *shared)
1704 static gboolean inited = FALSE;
1705 static int lookups = 0;
1706 static int failed_lookups = 0;
1708 mono_domain_jit_code_hash_lock (domain);
1709 ji = mono_internal_hash_table_lookup (&domain->jit_code_hash, method);
1710 if (!ji && shared) {
1711 /* Try generic sharing */
1712 ji = mono_internal_hash_table_lookup (&domain->jit_code_hash, shared);
1713 if (ji && !ji->has_generic_jit_info)
1716 mono_counters_register ("Shared generic lookups", MONO_COUNTER_INT|MONO_COUNTER_GENERICS, &lookups);
1717 mono_counters_register ("Failed shared generic lookups", MONO_COUNTER_INT|MONO_COUNTER_GENERICS, &failed_lookups);
1725 mono_domain_jit_code_hash_unlock (domain);
1731 lookup_method (MonoDomain *domain, MonoMethod *method)
1736 ji = mini_lookup_method (domain, method, NULL);
1739 if (!mono_method_is_generic_sharable (method, FALSE))
1741 shared = mini_get_shared_method (method);
1742 ji = mini_lookup_method (domain, method, shared);
1749 static FILE* perf_map_file;
1752 mono_enable_jit_map (void)
1754 if (!perf_map_file) {
1756 g_snprintf (name, sizeof (name), "/tmp/perf-%d.map", getpid ());
1758 perf_map_file = fopen (name, "w");
1763 mono_emit_jit_tramp (void *start, int size, const char *desc)
1766 fprintf (perf_map_file, "%llx %x %s\n", (long long unsigned int)(gsize)start, size, desc);
1770 mono_emit_jit_map (MonoJitInfo *jinfo)
1772 if (perf_map_file) {
1773 char *name = mono_method_full_name (jinfo_get_method (jinfo), TRUE);
1774 mono_emit_jit_tramp (jinfo->code_start, jinfo->code_size, name);
1780 mono_jit_map_is_enabled (void)
1782 return perf_map_file != NULL;
1788 mono_jit_compile_method_with_opt (MonoMethod *method, guint32 opt, MonoException **ex)
1790 MonoDomain *target_domain, *domain = mono_domain_get ();
1792 gpointer code = NULL, p;
1794 MonoJitICallInfo *callinfo = NULL;
1795 WrapperInfo *winfo = NULL;
1798 * ICALL wrappers are handled specially, since there is only one copy of them
1799 * shared by all appdomains.
1801 if (method->wrapper_type == MONO_WRAPPER_MANAGED_TO_NATIVE)
1802 winfo = mono_marshal_get_wrapper_info (method);
1803 if (winfo && winfo->subtype == WRAPPER_SUBTYPE_ICALL_WRAPPER) {
1804 callinfo = mono_find_jit_icall_by_addr (winfo->d.icall.func);
1805 g_assert (callinfo);
1807 /* Must be domain neutral since there is only one copy */
1808 opt |= MONO_OPT_SHARED;
1811 if (method->dynamic)
1812 opt &= ~MONO_OPT_SHARED;
1814 /* These methods can become invalid when a domain is unloaded */
1815 if (method->klass->image != mono_get_corlib () || method->is_inflated)
1816 opt &= ~MONO_OPT_SHARED;
1818 if (opt & MONO_OPT_SHARED)
1819 target_domain = mono_get_root_domain ();
1821 target_domain = domain;
1823 if (method->wrapper_type == MONO_WRAPPER_UNKNOWN) {
1824 WrapperInfo *info = mono_marshal_get_wrapper_info (method);
1827 if (info->subtype == WRAPPER_SUBTYPE_SYNCHRONIZED_INNER) {
1828 MonoGenericContext *ctx = NULL;
1829 if (method->is_inflated)
1830 ctx = mono_method_get_context (method);
1831 method = info->d.synchronized_inner.method;
1834 method = mono_class_inflate_generic_method_checked (method, ctx, &error);
1835 g_assert (mono_error_ok (&error)); /* FIXME don't swallow the error */
1840 info = lookup_method (target_domain, method);
1842 /* We can't use a domain specific method in another domain */
1843 if (! ((domain != target_domain) && !info->domain_neutral)) {
1845 MonoException *tmpEx;
1847 mono_jit_stats.methods_lookups++;
1848 vtable = mono_class_vtable (domain, method->klass);
1850 tmpEx = mono_runtime_class_init_full (vtable, ex == NULL);
1855 return mono_create_ftnptr (target_domain, info->code_start);
1859 #ifdef MONO_USE_AOT_COMPILER
1860 if (opt & MONO_OPT_AOT) {
1861 MonoDomain *domain = mono_domain_get ();
1863 mono_class_init (method->klass);
1865 if ((code = mono_aot_get_method (domain, method))) {
1868 vtable = mono_class_vtable (domain, method->klass);
1870 mono_runtime_class_init (vtable);
1876 code = mono_jit_compile_method_inner (method, target_domain, opt, ex);
1880 if (method->wrapper_type == MONO_WRAPPER_WRITE_BARRIER || method->wrapper_type == MONO_WRAPPER_ALLOC) {
1884 * SGEN requires the JIT info for these methods to be registered, see is_ip_in_managed_allocator ().
1886 ji = mini_jit_info_table_find (mono_domain_get (), code, &d);
1890 p = mono_create_ftnptr (target_domain, code);
1893 /*mono_register_jit_icall_wrapper takes the loader lock, so we take it on the outside. */
1894 mono_loader_lock ();
1896 if (!callinfo->wrapper) {
1897 callinfo->wrapper = p;
1898 mono_register_jit_icall_wrapper (callinfo, p);
1901 mono_loader_unlock ();
1908 mono_jit_compile_method (MonoMethod *method)
1910 MonoException *ex = NULL;
1913 code = mono_jit_compile_method_with_opt (method, mono_get_optimizations_for_method (method, default_opt), &ex);
1916 mono_raise_exception (ex);
1922 #ifdef MONO_ARCH_HAVE_INVALIDATE_METHOD
1924 invalidated_delegate_trampoline (char *desc)
1926 g_error ("Unmanaged code called delegate of type %s which was already garbage collected.\n"
1927 "See http://www.mono-project.com/Diagnostic:Delegate for an explanation and ways to fix this.",
1933 * mono_jit_free_method:
1935 * Free all memory allocated by the JIT for METHOD.
1938 mono_jit_free_method (MonoDomain *domain, MonoMethod *method)
1940 MonoJitDynamicMethodInfo *ji;
1941 gboolean destroy = TRUE;
1942 GHashTableIter iter;
1943 MonoJumpList *jlist;
1945 g_assert (method->dynamic);
1947 mono_domain_lock (domain);
1948 ji = mono_dynamic_code_hash_lookup (domain, method);
1949 mono_domain_unlock (domain);
1954 mono_debug_remove_method (method, domain);
1956 mono_domain_lock (domain);
1957 g_hash_table_remove (domain_jit_info (domain)->dynamic_code_hash, method);
1958 mono_domain_jit_code_hash_lock (domain);
1959 mono_internal_hash_table_remove (&domain->jit_code_hash, method);
1960 mono_domain_jit_code_hash_unlock (domain);
1961 g_hash_table_remove (domain_jit_info (domain)->jump_trampoline_hash, method);
1962 mono_conc_hashtable_remove (domain_jit_info (domain)->runtime_invoke_hash, method);
1964 /* Remove jump targets in this method */
1965 g_hash_table_iter_init (&iter, domain_jit_info (domain)->jump_target_hash);
1966 while (g_hash_table_iter_next (&iter, NULL, (void**)&jlist)) {
1967 GSList *tmp, *remove;
1970 for (tmp = jlist->list; tmp; tmp = tmp->next) {
1971 guint8 *ip = tmp->data;
1973 if (ip >= (guint8*)ji->ji->code_start && ip < (guint8*)ji->ji->code_start + ji->ji->code_size)
1974 remove = g_slist_prepend (remove, tmp);
1976 for (tmp = remove; tmp; tmp = tmp->next) {
1977 jlist->list = g_slist_delete_link (jlist->list, tmp->data);
1979 g_slist_free (remove);
1982 mono_domain_unlock (domain);
1984 #ifdef MONO_ARCH_HAVE_INVALIDATE_METHOD
1985 if (debug_options.keep_delegates && method->wrapper_type == MONO_WRAPPER_NATIVE_TO_MANAGED) {
1987 * Instead of freeing the code, change it to call an error routine
1988 * so people can fix their code.
1990 char *type = mono_type_full_name (&method->klass->byval_arg);
1991 char *type_and_method = g_strdup_printf ("%s.%s", type, method->name);
1994 mono_arch_invalidate_method (ji->ji, invalidated_delegate_trampoline, type_and_method);
2000 * This needs to be done before freeing code_mp, since the code address is the
2001 * key in the table, so if we free the code_mp first, another thread can grab the
2002 * same code address and replace our entry in the table.
2004 mono_jit_info_table_remove (domain, ji->ji);
2007 mono_code_manager_destroy (ji->code_mp);
2012 mono_jit_find_compiled_method_with_jit_info (MonoDomain *domain, MonoMethod *method, MonoJitInfo **ji)
2014 MonoDomain *target_domain;
2017 if (default_opt & MONO_OPT_SHARED)
2018 target_domain = mono_get_root_domain ();
2020 target_domain = domain;
2022 info = lookup_method (target_domain, method);
2024 /* We can't use a domain specific method in another domain */
2025 if (! ((domain != target_domain) && !info->domain_neutral)) {
2026 mono_jit_stats.methods_lookups++;
2029 return info->code_start;
2038 gboolean mono_do_single_method_regression = FALSE;
2039 guint32 mono_single_method_regression_opt = 0;
2040 MonoMethod *mono_current_single_method;
2041 GSList *mono_single_method_list;
2042 GHashTable *mono_single_method_hash;
2045 mono_get_optimizations_for_method (MonoMethod *method, guint32 default_opt)
2049 if (!mono_do_single_method_regression)
2051 if (!mono_current_single_method) {
2052 if (!mono_single_method_hash)
2053 mono_single_method_hash = g_hash_table_new (g_direct_hash, g_direct_equal);
2054 if (!g_hash_table_lookup (mono_single_method_hash, method)) {
2055 g_hash_table_insert (mono_single_method_hash, method, method);
2056 mono_single_method_list = g_slist_prepend (mono_single_method_list, method);
2060 if (method == mono_current_single_method)
2061 return mono_single_method_regression_opt;
2066 mono_jit_find_compiled_method (MonoDomain *domain, MonoMethod *method)
2068 return mono_jit_find_compiled_method_with_jit_info (domain, method, NULL);
2073 gpointer compiled_method;
2074 gpointer runtime_invoke;
2076 MonoDynCallInfo *dyn_call_info;
2077 MonoClass *ret_box_class;
2078 } RuntimeInvokeInfo;
2081 * mono_jit_runtime_invoke:
2082 * @method: the method to invoke
2083 * @obj: this pointer
2084 * @params: array of parameter values.
2085 * @exc: used to catch exceptions objects
2088 mono_jit_runtime_invoke (MonoMethod *method, void *obj, void **params, MonoObject **exc)
2090 MonoMethod *invoke, *callee;
2091 MonoObject *(*runtime_invoke) (MonoObject *this, void **params, MonoObject **exc, void* compiled_method);
2092 MonoDomain *domain = mono_domain_get ();
2093 MonoJitDomainInfo *domain_info;
2094 RuntimeInvokeInfo *info, *info2;
2096 if (obj == NULL && !(method->flags & METHOD_ATTRIBUTE_STATIC) && !method->string_ctor && (method->wrapper_type == 0)) {
2097 g_warning ("Ignoring invocation of an instance method on a NULL instance.\n");
2101 domain_info = domain_jit_info (domain);
2103 info = mono_conc_hashtable_lookup (domain_info->runtime_invoke_hash, method);
2106 if (mono_security_core_clr_enabled ()) {
2108 * This might be redundant since mono_class_vtable () already does this,
2109 * but keep it just in case for moonlight.
2111 mono_class_setup_vtable (method->klass);
2112 if (method->klass->exception_type != MONO_EXCEPTION_NONE) {
2114 *exc = (MonoObject*)mono_class_get_exception_for_failure (method->klass);
2116 mono_raise_exception (mono_class_get_exception_for_failure (method->klass));
2121 info = g_new0 (RuntimeInvokeInfo, 1);
2123 invoke = mono_marshal_get_runtime_invoke (method, FALSE);
2124 info->vtable = mono_class_vtable_full (domain, method->klass, TRUE);
2125 g_assert (info->vtable);
2128 if (method->klass->rank && (method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) &&
2129 (method->iflags & METHOD_IMPL_ATTRIBUTE_NATIVE)) {
2131 * Array Get/Set/Address methods. The JIT implements them using inline code
2132 * inside the runtime invoke wrappers, so no need to compile them.
2134 if (mono_aot_only) {
2136 * Call a wrapper, since the runtime invoke wrapper was not generated.
2138 MonoMethod *wrapper;
2140 wrapper = mono_marshal_get_array_accessor_wrapper (method);
2141 invoke = mono_marshal_get_runtime_invoke (wrapper, FALSE);
2149 MonoException *jit_ex = NULL;
2151 info->compiled_method = mono_jit_compile_method_with_opt (callee, mono_get_optimizations_for_method (callee, default_opt), &jit_ex);
2152 if (!info->compiled_method) {
2156 *exc = (MonoObject*)jit_ex;
2159 mono_raise_exception (jit_ex);
2163 info->compiled_method = mini_add_method_trampoline (NULL, callee, info->compiled_method, mono_method_needs_static_rgctx_invoke (callee, FALSE), FALSE);
2165 info->compiled_method = NULL;
2169 * We want to avoid AOTing 1000s of runtime-invoke wrappers when running
2170 * in full-aot mode, so we use a slower, but more generic wrapper if
2171 * possible, built on top of the OP_DYN_CALL opcode provided by the JIT.
2173 #ifdef MONO_ARCH_DYN_CALL_SUPPORTED
2174 if (mono_aot_only || debug_options.dyn_runtime_invoke) {
2176 MonoMethodSignature *sig = mono_method_signature (method);
2177 gboolean supported = TRUE;
2180 if (method->string_ctor)
2181 sig = mono_marshal_get_string_ctor_signature (method);
2183 for (i = 0; i < sig->param_count; ++i) {
2184 MonoType *t = sig->params [i];
2186 if (t->type == MONO_TYPE_GENERICINST && mono_class_is_nullable (mono_class_from_mono_type (t)))
2190 if (mono_class_is_contextbound (method->klass) || !info->compiled_method)
2194 info->dyn_call_info = mono_arch_dyn_call_prepare (sig);
2196 ret_type = sig->ret;
2197 if (info->dyn_call_info) {
2198 switch (ret_type->type) {
2199 case MONO_TYPE_VOID:
2211 case MONO_TYPE_BOOLEAN:
2212 case MONO_TYPE_CHAR:
2215 info->ret_box_class = mono_class_from_mono_type (ret_type);
2218 info->ret_box_class = mono_defaults.int_class;
2220 case MONO_TYPE_STRING:
2221 case MONO_TYPE_CLASS:
2222 case MONO_TYPE_ARRAY:
2223 case MONO_TYPE_SZARRAY:
2224 case MONO_TYPE_OBJECT:
2226 case MONO_TYPE_GENERICINST:
2227 if (!MONO_TYPE_IS_REFERENCE (ret_type))
2228 info->ret_box_class = mono_class_from_mono_type (ret_type);
2230 case MONO_TYPE_VALUETYPE:
2231 info->ret_box_class = mono_class_from_mono_type (ret_type);
2234 g_assert_not_reached ();
2241 if (!info->dyn_call_info)
2242 info->runtime_invoke = mono_jit_compile_method (invoke);
2244 info2 = mono_conc_hashtable_insert (domain_info->runtime_invoke_hash, method, info);
2251 runtime_invoke = info->runtime_invoke;
2254 * We need this here because mono_marshal_get_runtime_invoke can place
2255 * the helper method in System.Object and not the target class.
2258 *exc = (MonoObject*)mono_runtime_class_init_full (info->vtable, FALSE);
2262 mono_runtime_class_init (info->vtable);
2265 /* The wrappers expect this to be initialized to NULL */
2269 #ifdef MONO_ARCH_DYN_CALL_SUPPORTED
2270 if (info->dyn_call_info) {
2271 MonoMethodSignature *sig = mono_method_signature (method);
2273 static RuntimeInvokeDynamicFunction dyn_runtime_invoke;
2276 guint8 retval [256];
2278 if (!dyn_runtime_invoke) {
2279 invoke = mono_marshal_get_runtime_invoke_dynamic ();
2280 dyn_runtime_invoke = mono_jit_compile_method (invoke);
2283 /* Convert the arguments to the format expected by start_dyn_call () */
2284 args = g_alloca ((sig->param_count + sig->hasthis) * sizeof (gpointer));
2287 args [pindex ++] = &obj;
2288 for (i = 0; i < sig->param_count; ++i) {
2289 MonoType *t = sig->params [i];
2292 args [pindex ++] = ¶ms [i];
2293 } else if (MONO_TYPE_IS_REFERENCE (t) || t->type == MONO_TYPE_PTR) {
2294 args [pindex ++] = ¶ms [i];
2296 args [pindex ++] = params [i];
2300 //printf ("M: %s\n", mono_method_full_name (method, TRUE));
2302 mono_arch_start_dyn_call (info->dyn_call_info, (gpointer**)args, retval, buf, sizeof (buf));
2304 dyn_runtime_invoke (buf, exc, info->compiled_method);
2306 mono_arch_finish_dyn_call (info->dyn_call_info, buf);
2308 if (info->ret_box_class)
2309 return mono_value_box (domain, info->ret_box_class, retval);
2311 return *(MonoObject**)retval;
2315 return runtime_invoke (obj, params, exc, info->compiled_method);
2318 MONO_SIG_HANDLER_FUNC (, mono_sigfpe_signal_handler)
2320 MonoException *exc = NULL;
2322 MONO_SIG_HANDLER_INFO_TYPE *info = MONO_SIG_HANDLER_GET_INFO ();
2323 MONO_SIG_HANDLER_GET_CONTEXT;
2325 ji = mono_jit_info_table_find (mono_domain_get (), mono_arch_ip_from_context (ctx));
2327 #if defined(MONO_ARCH_HAVE_IS_INT_OVERFLOW)
2328 if (mono_arch_is_int_overflow (ctx, info))
2330 * The spec says this throws ArithmeticException, but MS throws the derived
2331 * OverflowException.
2333 exc = mono_get_exception_overflow ();
2335 exc = mono_get_exception_divide_by_zero ();
2337 exc = mono_get_exception_divide_by_zero ();
2341 if (!mono_do_crash_chaining && mono_chain_signal (MONO_SIG_HANDLER_PARAMS))
2344 mono_handle_native_sigsegv (SIGSEGV, ctx, info);
2345 if (mono_do_crash_chaining) {
2346 mono_chain_signal (MONO_SIG_HANDLER_PARAMS);
2351 mono_arch_handle_exception (ctx, exc);
2354 MONO_SIG_HANDLER_FUNC (, mono_sigill_signal_handler)
2357 MONO_SIG_HANDLER_GET_CONTEXT;
2359 exc = mono_get_exception_execution_engine ("SIGILL");
2361 mono_arch_handle_exception (ctx, exc);
2364 #if defined(MONO_ARCH_USE_SIGACTION) || defined(HOST_WIN32)
2365 #define HAVE_SIG_INFO
2368 MONO_SIG_HANDLER_FUNC (, mono_sigsegv_signal_handler)
2371 MonoJitTlsData *jit_tls = mono_native_tls_get_value (mono_jit_tls_id);
2372 gpointer fault_addr = NULL;
2373 #ifdef HAVE_SIG_INFO
2374 MONO_SIG_HANDLER_INFO_TYPE *info = MONO_SIG_HANDLER_GET_INFO ();
2378 MONO_SIG_HANDLER_GET_CONTEXT;
2380 #if defined(MONO_ARCH_SOFT_DEBUG_SUPPORTED) && defined(HAVE_SIG_INFO)
2381 if (mono_arch_is_single_step_event (info, ctx)) {
2382 mono_debugger_agent_single_step_event (ctx);
2384 } else if (mono_arch_is_breakpoint_event (info, ctx)) {
2385 mono_debugger_agent_breakpoint_hit (ctx);
2390 #if defined(HAVE_SIG_INFO)
2391 #if !defined(HOST_WIN32)
2392 fault_addr = info->si_addr;
2393 if (mono_aot_is_pagefault (info->si_addr)) {
2394 mono_aot_handle_pagefault (info->si_addr);
2399 /* The thread might no be registered with the runtime */
2400 if (!mono_domain_get () || !jit_tls) {
2401 if (!mono_do_crash_chaining && mono_chain_signal (MONO_SIG_HANDLER_PARAMS))
2403 mono_handle_native_sigsegv (SIGSEGV, ctx, info);
2404 if (mono_do_crash_chaining) {
2405 mono_chain_signal (MONO_SIG_HANDLER_PARAMS);
2411 ji = mono_jit_info_table_find (mono_domain_get (), mono_arch_ip_from_context (ctx));
2413 #ifdef MONO_ARCH_SIGSEGV_ON_ALTSTACK
2414 if (mono_handle_soft_stack_ovf (jit_tls, ji, ctx, info, (guint8*)info->si_addr))
2417 #ifdef MONO_ARCH_HAVE_SIGCTX_TO_MONOCTX
2418 /* info->si_addr seems to be NULL on some kernels when handling stack overflows */
2419 fault_addr = info->si_addr;
2420 if (fault_addr == NULL) {
2423 mono_sigctx_to_monoctx (ctx, &mctx);
2425 fault_addr = MONO_CONTEXT_GET_SP (&mctx);
2429 if (jit_tls->stack_size &&
2430 ABS ((guint8*)fault_addr - ((guint8*)jit_tls->end_of_stack - jit_tls->stack_size)) < 8192 * sizeof (gpointer)) {
2432 * The hard-guard page has been hit: there is not much we can do anymore
2433 * Print a hopefully clear message and abort.
2435 mono_handle_hard_stack_ovf (jit_tls, ji, ctx, (guint8*)info->si_addr);
2436 g_assert_not_reached ();
2438 /* The original handler might not like that it is executed on an altstack... */
2439 if (!ji && mono_chain_signal (MONO_SIG_HANDLER_PARAMS))
2442 mono_arch_handle_altstack_exception (ctx, info, info->si_addr, FALSE);
2447 if (!mono_do_crash_chaining && mono_chain_signal (MONO_SIG_HANDLER_PARAMS))
2450 mono_handle_native_sigsegv (SIGSEGV, ctx, info);
2452 if (mono_do_crash_chaining) {
2453 mono_chain_signal (MONO_SIG_HANDLER_PARAMS);
2458 mono_arch_handle_exception (ctx, NULL);
2462 MONO_SIG_HANDLER_FUNC (, mono_sigint_signal_handler)
2465 MONO_SIG_HANDLER_GET_CONTEXT;
2467 exc = mono_get_exception_execution_engine ("Interrupted (SIGINT).");
2469 mono_arch_handle_exception (ctx, exc);
2472 #ifndef DISABLE_REMOTING
2473 /* mono_jit_create_remoting_trampoline:
2474 * @method: pointer to the method info
2476 * Creates a trampoline which calls the remoting functions. This
2477 * is used in the vtable of transparent proxies.
2479 * Returns: a pointer to the newly created code
2482 mono_jit_create_remoting_trampoline (MonoDomain *domain, MonoMethod *method, MonoRemotingTarget target)
2485 guint8 *addr = NULL;
2487 if ((method->flags & METHOD_ATTRIBUTE_VIRTUAL) && mono_method_signature (method)->generic_param_count) {
2488 return mono_create_specific_trampoline (method, MONO_TRAMPOLINE_GENERIC_VIRTUAL_REMOTING,
2492 if ((method->flags & METHOD_ATTRIBUTE_ABSTRACT) ||
2493 (mono_method_signature (method)->hasthis && (mono_class_is_marshalbyref (method->klass) || method->klass == mono_defaults.object_class))) {
2494 nm = mono_marshal_get_remoting_invoke_for_target (method, target);
2495 addr = mono_compile_method (nm);
2498 addr = mono_compile_method (method);
2500 return mono_get_addr_from_ftnptr (addr);
2504 static gpointer *vtable_trampolines;
2505 static int vtable_trampolines_size;
2508 mini_get_vtable_trampoline (int slot_index)
2510 int index = slot_index + MONO_IMT_SIZE;
2512 g_assert (slot_index >= - MONO_IMT_SIZE);
2513 if (!vtable_trampolines || slot_index + MONO_IMT_SIZE >= vtable_trampolines_size) {
2515 if (!vtable_trampolines || index >= vtable_trampolines_size) {
2519 new_size = vtable_trampolines_size ? vtable_trampolines_size * 2 : 128;
2520 while (new_size <= index)
2522 new_table = g_new0 (gpointer, new_size);
2524 if (vtable_trampolines)
2525 memcpy (new_table, vtable_trampolines, vtable_trampolines_size * sizeof (gpointer));
2526 g_free (vtable_trampolines);
2527 mono_memory_barrier ();
2528 vtable_trampolines = new_table;
2529 vtable_trampolines_size = new_size;
2534 if (!vtable_trampolines [index])
2535 vtable_trampolines [index] = mono_create_specific_trampoline (GUINT_TO_POINTER (slot_index), MONO_TRAMPOLINE_VCALL, mono_get_root_domain (), NULL);
2536 return vtable_trampolines [index];
2540 mono_get_delegate_virtual_invoke_impl (MonoMethodSignature *sig, MonoMethod *method)
2542 gboolean is_virtual_generic, is_interface, load_imt_reg;
2545 static guint8 **cache = NULL;
2546 static int cache_size = 0;
2551 /* FIXME Support more cases */
2555 if (MONO_TYPE_ISSTRUCT (sig->ret))
2558 is_virtual_generic = method->is_inflated && mono_method_get_declaring_generic_method (method)->is_generic;
2559 is_interface = method->klass->flags & TYPE_ATTRIBUTE_INTERFACE ? TRUE : FALSE;
2560 load_imt_reg = is_virtual_generic || is_interface;
2562 if (is_interface && !is_virtual_generic)
2563 offset = ((gint32)mono_method_get_imt_slot (method) - MONO_IMT_SIZE) * SIZEOF_VOID_P;
2565 offset = G_STRUCT_OFFSET (MonoVTable, vtable) + ((mono_method_get_vtable_index (method)) * (SIZEOF_VOID_P));
2567 idx = (offset / SIZEOF_VOID_P + MONO_IMT_SIZE) * 2 + (load_imt_reg ? 1 : 0);
2568 g_assert (idx >= 0);
2570 /* Resize the cache to idx + 1 */
2571 if (cache_size < idx + 1) {
2573 if (cache_size < idx + 1) {
2575 int new_cache_size = idx + 1;
2577 new_cache = g_new0 (guint8*, new_cache_size);
2579 memcpy (new_cache, cache, cache_size * sizeof (guint8*));
2582 mono_memory_barrier ();
2584 cache_size = new_cache_size;
2592 return cache [idx] = mono_arch_get_delegate_virtual_invoke_impl (sig, method, offset, load_imt_reg);
2596 mini_get_imt_trampoline (int slot_index)
2598 return mini_get_vtable_trampoline (slot_index - MONO_IMT_SIZE);
2602 mini_parse_debug_options (void)
2604 const char *options = g_getenv ("MONO_DEBUG");
2605 gchar **args, **ptr;
2610 args = g_strsplit (options, ",", -1);
2612 for (ptr = args; ptr && *ptr; ptr++) {
2613 const char *arg = *ptr;
2615 if (!strcmp (arg, "handle-sigint"))
2616 debug_options.handle_sigint = TRUE;
2617 else if (!strcmp (arg, "keep-delegates"))
2618 debug_options.keep_delegates = TRUE;
2619 else if (!strcmp (arg, "reverse-pinvoke-exceptions"))
2620 debug_options.reverse_pinvoke_exceptions = TRUE;
2621 else if (!strcmp (arg, "collect-pagefault-stats"))
2622 debug_options.collect_pagefault_stats = TRUE;
2623 else if (!strcmp (arg, "break-on-unverified"))
2624 debug_options.break_on_unverified = TRUE;
2625 else if (!strcmp (arg, "no-gdb-backtrace"))
2626 debug_options.no_gdb_backtrace = TRUE;
2627 else if (!strcmp (arg, "suspend-on-sigsegv"))
2628 debug_options.suspend_on_sigsegv = TRUE;
2629 else if (!strcmp (arg, "suspend-on-exception"))
2630 debug_options.suspend_on_exception = TRUE;
2631 else if (!strcmp (arg, "suspend-on-unhandled"))
2632 debug_options.suspend_on_unhandled = TRUE;
2633 else if (!strcmp (arg, "dont-free-domains"))
2634 mono_dont_free_domains = TRUE;
2635 else if (!strcmp (arg, "dyn-runtime-invoke"))
2636 debug_options.dyn_runtime_invoke = TRUE;
2637 else if (!strcmp (arg, "gdb"))
2638 debug_options.gdb = TRUE;
2639 else if (!strcmp (arg, "explicit-null-checks"))
2640 debug_options.explicit_null_checks = TRUE;
2641 else if (!strcmp (arg, "gen-seq-points"))
2642 debug_options.gen_seq_points_debug_data = TRUE;
2643 else if (!strcmp (arg, "gen-compact-seq-points"))
2644 debug_options.gen_seq_points_compact_data = TRUE;
2645 else if (!strcmp (arg, "init-stacks"))
2646 debug_options.init_stacks = TRUE;
2647 else if (!strcmp (arg, "casts"))
2648 debug_options.better_cast_details = TRUE;
2649 else if (!strcmp (arg, "soft-breakpoints"))
2650 debug_options.soft_breakpoints = TRUE;
2651 else if (!strcmp (arg, "check-pinvoke-callconv"))
2652 debug_options.check_pinvoke_callconv = TRUE;
2653 else if (!strcmp (arg, "debug-domain-unload"))
2654 mono_enable_debug_domain_unload (TRUE);
2656 fprintf (stderr, "Invalid option for the MONO_DEBUG env variable: %s\n", arg);
2657 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', 'debug-domain-unload'\n");
2666 mini_get_debug_options (void)
2668 return &debug_options;
2672 mini_create_ftnptr (MonoDomain *domain, gpointer addr)
2674 #if !defined(__ia64__) && (!defined(__ppc64__) && !defined(__powerpc64__) || _CALL_ELF == 2)
2677 gpointer* desc = NULL;
2679 if ((desc = g_hash_table_lookup (domain->ftnptrs_hash, addr)))
2682 desc = mono_domain_code_reserve (domain, 2 * sizeof (gpointer));
2686 # elif defined(__ppc64__) || defined(__powerpc64__)
2688 desc = mono_domain_alloc0 (domain, 3 * sizeof (gpointer));
2694 g_hash_table_insert (domain->ftnptrs_hash, addr, desc);
2700 mini_get_addr_from_ftnptr (gpointer descr)
2702 #if defined(__ia64__) || ((defined(__ppc64__) || defined(__powerpc64__)) && _CALL_ELF != 2)
2703 return *(gpointer*)descr;
2710 register_jit_stats (void)
2712 mono_counters_register ("Compiled methods", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.methods_compiled);
2713 mono_counters_register ("Methods from AOT", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.methods_aot);
2714 mono_counters_register ("Methods JITted using mono JIT", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.methods_without_llvm);
2715 mono_counters_register ("Methods JITted using LLVM", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.methods_with_llvm);
2716 mono_counters_register ("Total time spent JITting (sec)", MONO_COUNTER_JIT | MONO_COUNTER_DOUBLE, &mono_jit_stats.jit_time);
2717 mono_counters_register ("Basic blocks", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.basic_blocks);
2718 mono_counters_register ("Max basic blocks", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.max_basic_blocks);
2719 mono_counters_register ("Allocated vars", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.allocate_var);
2720 mono_counters_register ("Code reallocs", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.code_reallocs);
2721 mono_counters_register ("Allocated code size", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.allocated_code_size);
2722 mono_counters_register ("Allocated seq points size", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.allocated_seq_points_size);
2723 mono_counters_register ("Inlineable methods", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.inlineable_methods);
2724 mono_counters_register ("Inlined methods", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.inlined_methods);
2725 mono_counters_register ("Regvars", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.regvars);
2726 mono_counters_register ("Locals stack size", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.locals_stack_size);
2727 mono_counters_register ("Method cache lookups", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.methods_lookups);
2728 mono_counters_register ("Compiled CIL code size", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.cil_code_size);
2729 mono_counters_register ("Native code size", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.native_code_size);
2730 mono_counters_register ("Aliases found", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.alias_found);
2731 mono_counters_register ("Aliases eliminated", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.alias_removed);
2732 mono_counters_register ("Aliased loads eliminated", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.loads_eliminated);
2733 mono_counters_register ("Aliased stores eliminated", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.stores_eliminated);
2736 static void runtime_invoke_info_free (gpointer value);
2739 class_method_pair_equal (gconstpointer ka, gconstpointer kb)
2741 const MonoClassMethodPair *apair = ka;
2742 const MonoClassMethodPair *bpair = kb;
2744 return apair->klass == bpair->klass && apair->method == bpair->method ? 1 : 0;
2748 class_method_pair_hash (gconstpointer data)
2750 const MonoClassMethodPair *pair = data;
2752 return (gsize)pair->klass ^ (gsize)pair->method;
2756 mini_create_jit_domain_info (MonoDomain *domain)
2758 MonoJitDomainInfo *info = g_new0 (MonoJitDomainInfo, 1);
2760 info->class_init_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
2761 info->jump_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
2762 info->jit_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
2763 info->delegate_trampoline_hash = g_hash_table_new (class_method_pair_hash, class_method_pair_equal);
2764 info->llvm_vcall_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
2765 info->runtime_invoke_hash = mono_conc_hashtable_new_full (&domain->lock, mono_aligned_addr_hash, NULL, NULL, runtime_invoke_info_free);
2766 info->seq_points = g_hash_table_new_full (mono_aligned_addr_hash, NULL, NULL, seq_point_info_free);
2767 info->arch_seq_points = g_hash_table_new (mono_aligned_addr_hash, NULL);
2768 info->jump_target_hash = g_hash_table_new (NULL, NULL);
2770 domain->runtime_info = info;
2774 delete_jump_list (gpointer key, gpointer value, gpointer user_data)
2776 MonoJumpList *jlist = value;
2777 g_slist_free (jlist->list);
2781 delete_got_slot_list (gpointer key, gpointer value, gpointer user_data)
2783 GSList *list = value;
2784 g_slist_free (list);
2788 dynamic_method_info_free (gpointer key, gpointer value, gpointer user_data)
2790 MonoJitDynamicMethodInfo *di = value;
2791 mono_code_manager_destroy (di->code_mp);
2796 runtime_invoke_info_free (gpointer value)
2798 RuntimeInvokeInfo *info = (RuntimeInvokeInfo*)value;
2800 #ifdef MONO_ARCH_DYN_CALL_SUPPORTED
2801 if (info->dyn_call_info)
2802 mono_arch_dyn_call_free (info->dyn_call_info);
2808 mini_free_jit_domain_info (MonoDomain *domain)
2810 MonoJitDomainInfo *info = domain_jit_info (domain);
2812 g_hash_table_foreach (info->jump_target_hash, delete_jump_list, NULL);
2813 g_hash_table_destroy (info->jump_target_hash);
2814 if (info->jump_target_got_slot_hash) {
2815 g_hash_table_foreach (info->jump_target_got_slot_hash, delete_got_slot_list, NULL);
2816 g_hash_table_destroy (info->jump_target_got_slot_hash);
2818 if (info->dynamic_code_hash) {
2819 g_hash_table_foreach (info->dynamic_code_hash, dynamic_method_info_free, NULL);
2820 g_hash_table_destroy (info->dynamic_code_hash);
2822 if (info->method_code_hash)
2823 g_hash_table_destroy (info->method_code_hash);
2824 g_hash_table_destroy (info->class_init_trampoline_hash);
2825 g_hash_table_destroy (info->jump_trampoline_hash);
2826 g_hash_table_destroy (info->jit_trampoline_hash);
2827 g_hash_table_destroy (info->delegate_trampoline_hash);
2828 if (info->static_rgctx_trampoline_hash)
2829 g_hash_table_destroy (info->static_rgctx_trampoline_hash);
2830 g_hash_table_destroy (info->llvm_vcall_trampoline_hash);
2831 mono_conc_hashtable_destroy (info->runtime_invoke_hash);
2832 g_hash_table_destroy (info->seq_points);
2833 g_hash_table_destroy (info->arch_seq_points);
2834 if (info->agent_info)
2835 mono_debugger_agent_free_domain_info (domain);
2836 if (info->gsharedvt_arg_tramp_hash)
2837 g_hash_table_destroy (info->gsharedvt_arg_tramp_hash);
2839 mono_llvm_free_domain_info (domain);
2842 g_free (domain->runtime_info);
2843 domain->runtime_info = NULL;
2848 llvm_init_inner (void)
2850 if (!mono_llvm_load (NULL))
2861 * Load and initialize LLVM support.
2862 * Return TRUE on success.
2865 mini_llvm_init (void)
2868 static gboolean llvm_inited;
2869 static gboolean init_result;
2871 mono_loader_lock_if_inited ();
2873 init_result = llvm_init_inner ();
2876 mono_loader_unlock_if_inited ();
2884 mini_init (const char *filename, const char *runtime_version)
2887 MonoRuntimeCallbacks callbacks;
2888 MonoThreadInfoRuntimeCallbacks ticallbacks;
2890 MONO_VES_INIT_BEGIN ();
2892 #if defined(__linux__) && !defined(__native_client__)
2893 if (access ("/proc/self/maps", F_OK) != 0) {
2894 g_print ("Mono requires /proc to be mounted.\n");
2899 mono_mutex_init_recursive (&jit_mutex);
2901 mono_cross_helpers_run ();
2905 /* Happens when using the embedding interface */
2906 if (!default_opt_set)
2907 default_opt = mono_parse_default_optimizations (NULL);
2909 #ifdef MONO_ARCH_GSHAREDVT_SUPPORTED
2911 mono_set_generic_sharing_vt_supported (TRUE);
2914 #ifdef MONO_HAVE_FAST_TLS
2915 MONO_FAST_TLS_INIT (mono_jit_tls);
2916 MONO_FAST_TLS_INIT (mono_lmf_addr);
2917 #ifdef MONO_ARCH_ENABLE_MONO_LMF_VAR
2918 MONO_FAST_TLS_INIT (mono_lmf);
2922 mono_runtime_set_has_tls_get (MONO_ARCH_HAVE_TLS_GET);
2924 if (!global_codeman)
2925 global_codeman = mono_code_manager_new ();
2927 memset (&callbacks, 0, sizeof (callbacks));
2928 callbacks.create_ftnptr = mini_create_ftnptr;
2929 callbacks.get_addr_from_ftnptr = mini_get_addr_from_ftnptr;
2930 callbacks.get_runtime_build_info = mono_get_runtime_build_info;
2931 callbacks.set_cast_details = mono_set_cast_details;
2932 callbacks.debug_log = mono_debugger_agent_debug_log;
2933 callbacks.debug_log_is_enabled = mono_debugger_agent_debug_log_is_enabled;
2934 callbacks.tls_key_supported = mini_tls_key_supported;
2937 callbacks.get_vtable_trampoline = mini_get_vtable_trampoline;
2938 callbacks.get_imt_trampoline = mini_get_imt_trampoline;
2941 mono_install_callbacks (&callbacks);
2943 memset (&ticallbacks, 0, sizeof (ticallbacks));
2944 ticallbacks.setup_async_callback = mono_setup_async_callback;
2945 ticallbacks.thread_state_init_from_sigctx = mono_thread_state_init_from_sigctx;
2946 ticallbacks.thread_state_init_from_handle = mono_thread_state_init_from_handle;
2948 mono_counters_init ();
2950 mono_threads_runtime_init (&ticallbacks);
2952 if (g_getenv ("MONO_DEBUG") != NULL)
2953 mini_parse_debug_options ();
2955 mono_code_manager_init ();
2959 mono_arch_cpu_init ();
2963 mono_unwind_init ();
2965 if (g_getenv ("MONO_XDEBUG")) {
2966 const char *xdebug_opts = g_getenv ("MONO_XDEBUG");
2967 mono_xdebug_init (xdebug_opts);
2968 /* So methods for multiple domains don't have the same address */
2969 mono_dont_free_domains = TRUE;
2970 mono_using_xdebug = TRUE;
2971 } else if (mini_get_debug_options ()->gdb) {
2972 mono_xdebug_init ((char*)"gdb");
2973 mono_dont_free_domains = TRUE;
2974 mono_using_xdebug = TRUE;
2978 if (mono_use_llvm) {
2979 if (!mono_llvm_load (NULL)) {
2980 mono_use_llvm = FALSE;
2981 fprintf (stderr, "Mono Warning: llvm support could not be loaded.\n");
2988 mono_trampolines_init ();
2990 mono_native_tls_alloc (&mono_jit_tls_id, NULL);
2992 if (default_opt & MONO_OPT_AOT)
2995 mono_debugger_agent_init ();
2997 #ifdef MONO_ARCH_GSHARED_SUPPORTED
2998 mono_set_generic_sharing_supported (TRUE);
3001 #ifndef MONO_CROSS_COMPILE
3002 mono_runtime_install_handlers ();
3004 mono_threads_install_cleanup (mini_thread_cleanup);
3006 #ifdef MONO_ARCH_HAVE_NOTIFY_PENDING_EXC
3007 check_for_pending_exc = FALSE;
3008 mono_threads_install_notify_pending_exc ((MonoThreadNotifyPendingExcFunc)mono_arch_notify_pending_exc);
3011 #define JIT_TRAMPOLINES_WORK
3012 #ifdef JIT_TRAMPOLINES_WORK
3013 mono_install_compile_method (mono_jit_compile_method);
3014 mono_install_free_method (mono_jit_free_method);
3015 mono_install_trampoline (mono_create_jit_trampoline);
3016 mono_install_jump_trampoline (mono_create_jump_trampoline);
3017 #ifndef DISABLE_REMOTING
3018 mono_install_remoting_trampoline (mono_jit_create_remoting_trampoline);
3020 mono_install_delegate_trampoline (mono_create_delegate_trampoline);
3021 mono_install_create_domain_hook (mini_create_jit_domain_info);
3022 mono_install_free_domain_hook (mini_free_jit_domain_info);
3024 #define JIT_INVOKE_WORKS
3025 #ifdef JIT_INVOKE_WORKS
3026 mono_install_runtime_invoke (mono_jit_runtime_invoke);
3028 mono_install_get_cached_class_info (mono_aot_get_cached_class_info);
3029 mono_install_get_class_from_name (mono_aot_get_class_from_name);
3030 mono_install_jit_info_find_in_aot (mono_aot_find_jit_info);
3032 if (debug_options.collect_pagefault_stats)
3033 mono_aot_set_make_unreadable (TRUE);
3035 if (runtime_version)
3036 domain = mono_init_version (filename, runtime_version);
3038 domain = mono_init_from_assembly (filename, filename);
3040 if (mono_aot_only) {
3041 /* This helps catch code allocation requests */
3042 mono_code_manager_set_read_only (domain->code_mp);
3043 mono_marshal_use_aot_wrappers (TRUE);
3048 mono_install_imt_thunk_builder (mono_aot_get_imt_thunk);
3050 mono_install_imt_thunk_builder (mono_arch_build_imt_thunk);
3053 /*Init arch tls information only after the metadata side is inited to make sure we see dynamic appdomain tls keys*/
3054 mono_arch_finish_init ();
3058 /* This must come after mono_init () in the aot-only case */
3059 mono_exceptions_init ();
3061 /* This should come after mono_init () too */
3065 mono_create_helper_signatures ();
3068 register_jit_stats ();
3070 #define JIT_CALLS_WORK
3071 #ifdef JIT_CALLS_WORK
3072 /* Needs to be called here since register_jit_icall depends on it */
3073 mono_marshal_init ();
3075 mono_arch_register_lowlevel_calls ();
3079 mono_generic_sharing_init ();
3082 #ifdef MONO_ARCH_SIMD_INTRINSICS
3083 mono_simd_intrinsics_init ();
3086 #if MONO_SUPPORT_TASKLETS
3087 mono_tasklets_init ();
3090 if (mono_compile_aot)
3092 * Avoid running managed code when AOT compiling, since the platform
3093 * might only support aot-only execution.
3095 mono_runtime_set_no_exec (TRUE);
3097 #define JIT_RUNTIME_WORKS
3098 #ifdef JIT_RUNTIME_WORKS
3099 mono_install_runtime_cleanup ((MonoDomainFunc)mini_cleanup);
3100 mono_runtime_init (domain, mono_thread_start_cb, mono_thread_attach_cb);
3101 mono_thread_attach (domain);
3104 mono_profiler_runtime_initialized ();
3106 MONO_VES_INIT_END ();
3112 register_icalls (void)
3114 mono_add_internal_call ("System.Diagnostics.StackFrame::get_frame_info",
3115 ves_icall_get_frame_info);
3116 mono_add_internal_call ("System.Diagnostics.StackTrace::get_trace",
3117 ves_icall_get_trace);
3118 mono_add_internal_call ("System.Exception::get_trace",
3119 ves_icall_System_Exception_get_trace);
3120 mono_add_internal_call ("System.Security.SecurityFrame::_GetSecurityFrame",
3121 ves_icall_System_Security_SecurityFrame_GetSecurityFrame);
3122 mono_add_internal_call ("System.Security.SecurityFrame::_GetSecurityStack",
3123 ves_icall_System_Security_SecurityFrame_GetSecurityStack);
3124 mono_add_internal_call ("Mono.Runtime::mono_runtime_install_handlers",
3125 mono_runtime_install_handlers);
3127 #if defined(PLATFORM_ANDROID) || defined(TARGET_ANDROID)
3128 mono_add_internal_call ("System.Diagnostics.Debugger::Mono_UnhandledException_internal",
3129 mono_debugger_agent_unhandled_exception);
3133 * It's important that we pass `TRUE` as the last argument here, as
3134 * it causes the JIT to omit a wrapper for these icalls. If the JIT
3135 * *did* emit a wrapper, we'd be looking at infinite recursion since
3136 * the wrapper would call the icall which would call the wrapper and
3139 register_icall (mono_profiler_method_enter, "mono_profiler_method_enter", "void ptr", TRUE);
3140 register_icall (mono_profiler_method_leave, "mono_profiler_method_leave", "void ptr", TRUE);
3142 register_icall (mono_trace_enter_method, "mono_trace_enter_method", NULL, TRUE);
3143 register_icall (mono_trace_leave_method, "mono_trace_leave_method", NULL, TRUE);
3144 register_icall (mono_get_lmf_addr, "mono_get_lmf_addr", "ptr", TRUE);
3145 register_icall (mono_jit_thread_attach, "mono_jit_thread_attach", "ptr ptr", TRUE);
3146 register_icall (mono_jit_set_domain, "mono_jit_set_domain", "void ptr", TRUE);
3147 register_icall (mono_domain_get, "mono_domain_get", "ptr", TRUE);
3149 register_dyn_icall (mono_get_throw_exception (), "mono_arch_throw_exception", "void object", TRUE);
3150 register_dyn_icall (mono_get_rethrow_exception (), "mono_arch_rethrow_exception", "void object", TRUE);
3151 register_dyn_icall (mono_get_throw_corlib_exception (), "mono_arch_throw_corlib_exception", "void ptr", TRUE);
3152 register_icall (mono_thread_get_undeniable_exception, "mono_thread_get_undeniable_exception", "object", FALSE);
3153 register_icall (mono_thread_interruption_checkpoint, "mono_thread_interruption_checkpoint", "object", FALSE);
3154 register_icall (mono_thread_force_interruption_checkpoint_noraise, "mono_thread_force_interruption_checkpoint_noraise", "object", FALSE);
3155 register_icall (mono_thread_force_interruption_checkpoint, "mono_thread_force_interruption_checkpoint", "void", FALSE);
3156 #ifndef DISABLE_REMOTING
3157 register_icall (mono_load_remote_field_new, "mono_load_remote_field_new", "object object ptr ptr", FALSE);
3158 register_icall (mono_store_remote_field_new, "mono_store_remote_field_new", "void object ptr ptr object", FALSE);
3161 #if defined(__native_client__) || defined(__native_client_codegen__)
3162 register_icall (mono_nacl_gc, "mono_nacl_gc", "void", TRUE);
3164 #ifndef MONO_ARCH_NO_EMULATE_LONG_MUL_OPTS
3165 register_opcode_emulation (OP_LMUL, "__emul_lmul", "long long long", mono_llmult, "mono_llmult", TRUE);
3166 register_opcode_emulation (OP_LDIV, "__emul_ldiv", "long long long", mono_lldiv, "mono_lldiv", FALSE);
3167 register_opcode_emulation (OP_LDIV_UN, "__emul_ldiv_un", "long long long", mono_lldiv_un, "mono_lldiv_un", FALSE);
3168 register_opcode_emulation (OP_LREM, "__emul_lrem", "long long long", mono_llrem, "mono_llrem", FALSE);
3169 register_opcode_emulation (OP_LREM_UN, "__emul_lrem_un", "long long long", mono_llrem_un, "mono_llrem_un", FALSE);
3171 #if !defined(MONO_ARCH_NO_EMULATE_LONG_MUL_OPTS) || defined(MONO_ARCH_EMULATE_LONG_MUL_OVF_OPTS)
3172 register_opcode_emulation (OP_LMUL_OVF_UN, "__emul_lmul_ovf_un", "long long long", mono_llmult_ovf_un, "mono_llmult_ovf_un", FALSE);
3173 register_opcode_emulation (OP_LMUL_OVF, "__emul_lmul_ovf", "long long long", mono_llmult_ovf, "mono_llmult_ovf", FALSE);
3176 #ifndef MONO_ARCH_NO_EMULATE_LONG_SHIFT_OPS
3177 register_opcode_emulation (OP_LSHL, "__emul_lshl", "long long int32", mono_lshl, "mono_lshl", TRUE);
3178 register_opcode_emulation (OP_LSHR, "__emul_lshr", "long long int32", mono_lshr, "mono_lshr", TRUE);
3179 register_opcode_emulation (OP_LSHR_UN, "__emul_lshr_un", "long long int32", mono_lshr_un, "mono_lshr_un", TRUE);
3182 #if defined(MONO_ARCH_EMULATE_MUL_DIV) || defined(MONO_ARCH_EMULATE_DIV)
3183 register_opcode_emulation (OP_IDIV, "__emul_op_idiv", "int32 int32 int32", mono_idiv, "mono_idiv", FALSE);
3184 register_opcode_emulation (OP_IDIV_UN, "__emul_op_idiv_un", "int32 int32 int32", mono_idiv_un, "mono_idiv_un", FALSE);
3185 register_opcode_emulation (OP_IREM, "__emul_op_irem", "int32 int32 int32", mono_irem, "mono_irem", FALSE);
3186 register_opcode_emulation (OP_IREM_UN, "__emul_op_irem_un", "int32 int32 int32", mono_irem_un, "mono_irem_un", FALSE);
3189 #ifdef MONO_ARCH_EMULATE_MUL_DIV
3190 register_opcode_emulation (OP_IMUL, "__emul_op_imul", "int32 int32 int32", mono_imul, "mono_imul", TRUE);
3193 #if defined(MONO_ARCH_EMULATE_MUL_DIV) || defined(MONO_ARCH_EMULATE_MUL_OVF)
3194 register_opcode_emulation (OP_IMUL_OVF, "__emul_op_imul_ovf", "int32 int32 int32", mono_imul_ovf, "mono_imul_ovf", FALSE);
3195 register_opcode_emulation (OP_IMUL_OVF_UN, "__emul_op_imul_ovf_un", "int32 int32 int32", mono_imul_ovf_un, "mono_imul_ovf_un", FALSE);
3198 #if defined(MONO_ARCH_EMULATE_MUL_DIV) || defined(MONO_ARCH_SOFT_FLOAT_FALLBACK)
3199 if (ARCH_EMULATE_MUL_DIV || mono_arch_is_soft_float ()) {
3200 register_opcode_emulation (OP_FDIV, "__emul_fdiv", "double double double", mono_fdiv, "mono_fdiv", FALSE);
3204 register_opcode_emulation (OP_FCONV_TO_U8, "__emul_fconv_to_u8", "ulong double", mono_fconv_u8, "mono_fconv_u8", FALSE);
3205 register_opcode_emulation (OP_FCONV_TO_U4, "__emul_fconv_to_u4", "uint32 double", mono_fconv_u4, "mono_fconv_u4", FALSE);
3206 register_opcode_emulation (OP_FCONV_TO_OVF_I8, "__emul_fconv_to_ovf_i8", "long double", mono_fconv_ovf_i8, "mono_fconv_ovf_i8", FALSE);
3207 register_opcode_emulation (OP_FCONV_TO_OVF_U8, "__emul_fconv_to_ovf_u8", "ulong double", mono_fconv_ovf_u8, "mono_fconv_ovf_u8", FALSE);
3208 register_opcode_emulation (OP_RCONV_TO_OVF_I8, "__emul_rconv_to_ovf_i8", "long float", mono_rconv_ovf_i8, "mono_rconv_ovf_i8", FALSE);
3209 register_opcode_emulation (OP_RCONV_TO_OVF_U8, "__emul_rconv_to_ovf_u8", "ulong float", mono_rconv_ovf_u8, "mono_rconv_ovf_u8", FALSE);
3211 #ifdef MONO_ARCH_EMULATE_FCONV_TO_I8
3212 register_opcode_emulation (OP_FCONV_TO_I8, "__emul_fconv_to_i8", "long double", mono_fconv_i8, "mono_fconv_i8", FALSE);
3213 register_opcode_emulation (OP_RCONV_TO_I8, "__emul_rconv_to_i8", "long float", mono_rconv_i8, "mono_rconv_i8", FALSE);
3215 #ifdef MONO_ARCH_EMULATE_CONV_R8_UN
3216 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);
3218 #ifdef MONO_ARCH_EMULATE_LCONV_TO_R8
3219 register_opcode_emulation (OP_LCONV_TO_R8, "__emul_lconv_to_r8", "double long", mono_lconv_to_r8, "mono_lconv_to_r8", FALSE);
3221 #ifdef MONO_ARCH_EMULATE_LCONV_TO_R4
3222 register_opcode_emulation (OP_LCONV_TO_R4, "__emul_lconv_to_r4", "float long", mono_lconv_to_r4, "mono_lconv_to_r4", FALSE);
3224 #ifdef MONO_ARCH_EMULATE_LCONV_TO_R8_UN
3225 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);
3227 #ifdef MONO_ARCH_EMULATE_FREM
3228 #if defined(__default_codegen__)
3229 register_opcode_emulation (OP_FREM, "__emul_frem", "double double double", fmod, "fmod", FALSE);
3230 #elif defined(__native_client_codegen__)
3231 register_opcode_emulation (OP_FREM, "__emul_frem", "double double double", mono_fmod, "mono_fmod", FALSE);
3235 #ifdef MONO_ARCH_SOFT_FLOAT_FALLBACK
3236 if (mono_arch_is_soft_float ()) {
3237 register_opcode_emulation (OP_FSUB, "__emul_fsub", "double double double", mono_fsub, "mono_fsub", FALSE);
3238 register_opcode_emulation (OP_FADD, "__emul_fadd", "double double double", mono_fadd, "mono_fadd", FALSE);
3239 register_opcode_emulation (OP_FMUL, "__emul_fmul", "double double double", mono_fmul, "mono_fmul", FALSE);
3240 register_opcode_emulation (OP_FNEG, "__emul_fneg", "double double", mono_fneg, "mono_fneg", FALSE);
3241 register_opcode_emulation (OP_ICONV_TO_R8, "__emul_iconv_to_r8", "double int32", mono_conv_to_r8, "mono_conv_to_r8", FALSE);
3242 register_opcode_emulation (OP_ICONV_TO_R4, "__emul_iconv_to_r4", "double int32", mono_conv_to_r4, "mono_conv_to_r4", FALSE);
3243 register_opcode_emulation (OP_FCONV_TO_R4, "__emul_fconv_to_r4", "double double", mono_fconv_r4, "mono_fconv_r4", FALSE);
3244 register_opcode_emulation (OP_FCONV_TO_I1, "__emul_fconv_to_i1", "int8 double", mono_fconv_i1, "mono_fconv_i1", FALSE);
3245 register_opcode_emulation (OP_FCONV_TO_I2, "__emul_fconv_to_i2", "int16 double", mono_fconv_i2, "mono_fconv_i2", FALSE);
3246 register_opcode_emulation (OP_FCONV_TO_I4, "__emul_fconv_to_i4", "int32 double", mono_fconv_i4, "mono_fconv_i4", FALSE);
3247 register_opcode_emulation (OP_FCONV_TO_U1, "__emul_fconv_to_u1", "uint8 double", mono_fconv_u1, "mono_fconv_u1", FALSE);
3248 register_opcode_emulation (OP_FCONV_TO_U2, "__emul_fconv_to_u2", "uint16 double", mono_fconv_u2, "mono_fconv_u2", FALSE);
3250 #if SIZEOF_VOID_P == 4
3251 register_opcode_emulation (OP_FCONV_TO_I, "__emul_fconv_to_i", "int32 double", mono_fconv_i4, "mono_fconv_i4", FALSE);
3254 register_opcode_emulation (OP_FBEQ, "__emul_fcmp_eq", "uint32 double double", mono_fcmp_eq, "mono_fcmp_eq", FALSE);
3255 register_opcode_emulation (OP_FBLT, "__emul_fcmp_lt", "uint32 double double", mono_fcmp_lt, "mono_fcmp_lt", FALSE);
3256 register_opcode_emulation (OP_FBGT, "__emul_fcmp_gt", "uint32 double double", mono_fcmp_gt, "mono_fcmp_gt", FALSE);
3257 register_opcode_emulation (OP_FBLE, "__emul_fcmp_le", "uint32 double double", mono_fcmp_le, "mono_fcmp_le", FALSE);
3258 register_opcode_emulation (OP_FBGE, "__emul_fcmp_ge", "uint32 double double", mono_fcmp_ge, "mono_fcmp_ge", FALSE);
3259 register_opcode_emulation (OP_FBNE_UN, "__emul_fcmp_ne_un", "uint32 double double", mono_fcmp_ne_un, "mono_fcmp_ne_un", FALSE);
3260 register_opcode_emulation (OP_FBLT_UN, "__emul_fcmp_lt_un", "uint32 double double", mono_fcmp_lt_un, "mono_fcmp_lt_un", FALSE);
3261 register_opcode_emulation (OP_FBGT_UN, "__emul_fcmp_gt_un", "uint32 double double", mono_fcmp_gt_un, "mono_fcmp_gt_un", FALSE);
3262 register_opcode_emulation (OP_FBLE_UN, "__emul_fcmp_le_un", "uint32 double double", mono_fcmp_le_un, "mono_fcmp_le_un", FALSE);
3263 register_opcode_emulation (OP_FBGE_UN, "__emul_fcmp_ge_un", "uint32 double double", mono_fcmp_ge_un, "mono_fcmp_ge_un", FALSE);
3265 register_opcode_emulation (OP_FCEQ, "__emul_fcmp_ceq", "uint32 double double", mono_fceq, "mono_fceq", FALSE);
3266 register_opcode_emulation (OP_FCGT, "__emul_fcmp_cgt", "uint32 double double", mono_fcgt, "mono_fcgt", FALSE);
3267 register_opcode_emulation (OP_FCGT_UN, "__emul_fcmp_cgt_un", "uint32 double double", mono_fcgt_un, "mono_fcgt_un", FALSE);
3268 register_opcode_emulation (OP_FCLT, "__emul_fcmp_clt", "uint32 double double", mono_fclt, "mono_fclt", FALSE);
3269 register_opcode_emulation (OP_FCLT_UN, "__emul_fcmp_clt_un", "uint32 double double", mono_fclt_un, "mono_fclt_un", FALSE);
3271 register_icall (mono_fload_r4, "mono_fload_r4", "double ptr", FALSE);
3272 register_icall (mono_fstore_r4, "mono_fstore_r4", "void double ptr", FALSE);
3273 register_icall (mono_fload_r4_arg, "mono_fload_r4_arg", "uint32 double", FALSE);
3274 register_icall (mono_isfinite, "mono_isfinite", "uint32 double", FALSE);
3278 #ifdef COMPRESSED_INTERFACE_BITMAP
3279 register_icall (mono_class_interface_match, "mono_class_interface_match", "uint32 ptr int32", TRUE);
3282 #if SIZEOF_REGISTER == 4
3283 register_opcode_emulation (OP_FCONV_TO_U, "__emul_fconv_to_u", "uint32 double", mono_fconv_u4, "mono_fconv_u4", TRUE);
3285 register_opcode_emulation (OP_FCONV_TO_U, "__emul_fconv_to_u", "ulong double", mono_fconv_u8, "mono_fconv_u8", TRUE);
3288 /* other jit icalls */
3289 register_icall (mono_delegate_ctor, "mono_delegate_ctor", "void object object ptr", FALSE);
3290 register_icall (mono_class_static_field_address , "mono_class_static_field_address",
3291 "ptr ptr ptr", FALSE);
3292 register_icall (mono_ldtoken_wrapper, "mono_ldtoken_wrapper", "ptr ptr ptr ptr", FALSE);
3293 register_icall (mono_ldtoken_wrapper_generic_shared, "mono_ldtoken_wrapper_generic_shared",
3294 "ptr ptr ptr ptr", FALSE);
3295 register_icall (mono_get_special_static_data, "mono_get_special_static_data", "ptr int", FALSE);
3296 register_icall (mono_ldstr, "mono_ldstr", "object ptr ptr int32", FALSE);
3297 register_icall (mono_helper_stelem_ref_check, "mono_helper_stelem_ref_check", "void object object", FALSE);
3298 register_icall (mono_object_new, "mono_object_new", "object ptr ptr", FALSE);
3299 register_icall (mono_object_new_specific, "mono_object_new_specific", "object ptr", FALSE);
3300 register_icall (mono_array_new, "mono_array_new", "object ptr ptr int32", FALSE);
3301 register_icall (mono_array_new_specific, "mono_array_new_specific", "object ptr int32", FALSE);
3302 register_icall (mono_runtime_class_init, "mono_runtime_class_init", "void ptr", FALSE);
3303 register_icall (mono_ldftn, "mono_ldftn", "ptr ptr", FALSE);
3304 register_icall (mono_ldvirtfn, "mono_ldvirtfn", "ptr object ptr", FALSE);
3305 register_icall (mono_ldvirtfn_gshared, "mono_ldvirtfn_gshared", "ptr object ptr", FALSE);
3306 register_icall (mono_helper_compile_generic_method, "mono_helper_compile_generic_method", "ptr object ptr ptr", FALSE);
3307 register_icall (mono_helper_ldstr, "mono_helper_ldstr", "object ptr int", FALSE);
3308 register_icall (mono_helper_ldstr_mscorlib, "mono_helper_ldstr_mscorlib", "object int", FALSE);
3309 register_icall (mono_helper_newobj_mscorlib, "mono_helper_newobj_mscorlib", "object int", FALSE);
3310 register_icall (mono_value_copy, "mono_value_copy", "void ptr ptr ptr", FALSE);
3311 register_icall (mono_object_castclass_unbox, "mono_object_castclass_unbox", "object object ptr", FALSE);
3312 register_icall (mono_break, "mono_break", NULL, TRUE);
3313 register_icall (mono_create_corlib_exception_0, "mono_create_corlib_exception_0", "object int", TRUE);
3314 register_icall (mono_create_corlib_exception_1, "mono_create_corlib_exception_1", "object int object", TRUE);
3315 register_icall (mono_create_corlib_exception_2, "mono_create_corlib_exception_2", "object int object object", TRUE);
3316 register_icall (mono_array_new_1, "mono_array_new_1", "object ptr int", FALSE);
3317 register_icall (mono_array_new_2, "mono_array_new_2", "object ptr int int", FALSE);
3318 register_icall (mono_array_new_3, "mono_array_new_3", "object ptr int int int", FALSE);
3319 register_icall (mono_array_new_4, "mono_array_new_4", "object ptr int int int int", FALSE);
3320 register_icall (mono_get_native_calli_wrapper, "mono_get_native_calli_wrapper", "ptr ptr ptr ptr", FALSE);
3321 register_icall (mono_resume_unwind, "mono_resume_unwind", "void", TRUE);
3322 register_icall (mono_gsharedvt_constrained_call, "mono_gsharedvt_constrained_call", "object ptr ptr ptr ptr ptr", FALSE);
3323 register_icall (mono_gsharedvt_value_copy, "mono_gsharedvt_value_copy", "void ptr ptr ptr", TRUE);
3325 register_icall (mono_gc_wbarrier_value_copy_bitmap, "mono_gc_wbarrier_value_copy_bitmap", "void ptr ptr int int", FALSE);
3327 register_icall (mono_object_castclass_with_cache, "mono_object_castclass_with_cache", "object object ptr ptr", FALSE);
3328 register_icall (mono_object_isinst_with_cache, "mono_object_isinst_with_cache", "object object ptr ptr", FALSE);
3330 register_icall (mono_debugger_agent_user_break, "mono_debugger_agent_user_break", "void", FALSE);
3333 register_icall (pthread_getspecific, "pthread_getspecific", "ptr ptr", TRUE);
3337 MonoJitStats mono_jit_stats = {0};
3340 print_jit_stats (void)
3342 if (mono_jit_stats.enabled) {
3343 g_print ("Mono Jit statistics\n");
3344 g_print ("Max code size ratio: %.2f (%s)\n", mono_jit_stats.max_code_size_ratio/100.0,
3345 mono_jit_stats.max_ratio_method);
3346 g_print ("Biggest method: %ld (%s)\n", mono_jit_stats.biggest_method_size,
3347 mono_jit_stats.biggest_method);
3349 g_print ("Delegates created: %ld\n", mono_stats.delegate_creations);
3350 g_print ("Initialized classes: %ld\n", mono_stats.initialized_class_count);
3351 g_print ("Used classes: %ld\n", mono_stats.used_class_count);
3352 g_print ("Generic vtables: %ld\n", mono_stats.generic_vtable_count);
3353 g_print ("Methods: %ld\n", mono_stats.method_count);
3354 g_print ("Static data size: %ld\n", mono_stats.class_static_data_size);
3355 g_print ("VTable data size: %ld\n", mono_stats.class_vtable_size);
3356 g_print ("Mscorlib mempool size: %d\n", mono_mempool_get_allocated (mono_defaults.corlib->mempool));
3358 g_print ("\nInitialized classes: %ld\n", mono_stats.generic_class_count);
3359 g_print ("Inflated types: %ld\n", mono_stats.inflated_type_count);
3360 g_print ("Generics virtual invokes: %ld\n", mono_jit_stats.generic_virtual_invocations);
3362 g_print ("Sharable generic methods: %ld\n", mono_stats.generics_sharable_methods);
3363 g_print ("Unsharable generic methods: %ld\n", mono_stats.generics_unsharable_methods);
3364 g_print ("Shared generic methods: %ld\n", mono_stats.generics_shared_methods);
3365 g_print ("Shared vtype generic methods: %ld\n", mono_stats.gsharedvt_methods);
3367 g_print ("IMT tables size: %ld\n", mono_stats.imt_tables_size);
3368 g_print ("IMT number of tables: %ld\n", mono_stats.imt_number_of_tables);
3369 g_print ("IMT number of methods: %ld\n", mono_stats.imt_number_of_methods);
3370 g_print ("IMT used slots: %ld\n", mono_stats.imt_used_slots);
3371 g_print ("IMT colliding slots: %ld\n", mono_stats.imt_slots_with_collisions);
3372 g_print ("IMT max collisions: %ld\n", mono_stats.imt_max_collisions_in_slot);
3373 g_print ("IMT methods at max col: %ld\n", mono_stats.imt_method_count_when_max_collisions);
3374 g_print ("IMT thunks size: %ld\n", mono_stats.imt_thunks_size);
3376 g_print ("JIT info table inserts: %ld\n", mono_stats.jit_info_table_insert_count);
3377 g_print ("JIT info table removes: %ld\n", mono_stats.jit_info_table_remove_count);
3378 g_print ("JIT info table lookups: %ld\n", mono_stats.jit_info_table_lookup_count);
3380 if (mono_security_cas_enabled ()) {
3381 g_print ("\nDecl security check : %ld\n", mono_jit_stats.cas_declsec_check);
3382 g_print ("LinkDemand (user) : %ld\n", mono_jit_stats.cas_linkdemand);
3383 g_print ("LinkDemand (icall) : %ld\n", mono_jit_stats.cas_linkdemand_icall);
3384 g_print ("LinkDemand (pinvoke) : %ld\n", mono_jit_stats.cas_linkdemand_pinvoke);
3385 g_print ("LinkDemand (aptc) : %ld\n", mono_jit_stats.cas_linkdemand_aptc);
3386 g_print ("Demand (code gen) : %ld\n", mono_jit_stats.cas_demand_generation);
3389 g_free (mono_jit_stats.max_ratio_method);
3390 mono_jit_stats.max_ratio_method = NULL;
3391 g_free (mono_jit_stats.biggest_method);
3392 mono_jit_stats.biggest_method = NULL;
3397 mini_cleanup (MonoDomain *domain)
3399 mono_runtime_shutdown_stat_profiler ();
3402 cominterop_release_all_rcws ();
3405 #ifndef MONO_CROSS_COMPILE
3407 * mono_domain_finalize () needs to be called early since it needs the
3408 * execution engine still fully working (it may invoke managed finalizers).
3410 mono_domain_finalize (domain, 2000);
3413 /* This accesses metadata so needs to be called before runtime shutdown */
3416 mono_profiler_shutdown ();
3418 #ifndef MONO_CROSS_COMPILE
3419 mono_runtime_cleanup (domain);
3422 free_jit_tls_data (mono_native_tls_get_value (mono_jit_tls_id));
3424 mono_icall_cleanup ();
3426 mono_runtime_cleanup_handlers ();
3428 #ifndef MONO_CROSS_COMPILE
3429 mono_domain_free (domain, TRUE);
3434 mono_llvm_cleanup ();
3437 mono_aot_cleanup ();
3439 mono_trampolines_cleanup ();
3441 mono_unwind_cleanup ();
3443 mono_code_manager_destroy (global_codeman);
3444 g_free (vtable_trampolines);
3446 mini_jit_cleanup ();
3448 mono_tramp_info_cleanup ();
3450 mono_arch_cleanup ();
3452 mono_generic_sharing_cleanup ();
3456 mono_trace_cleanup ();
3458 mono_counters_dump (MONO_COUNTER_SECTION_MASK | MONO_COUNTER_MONOTONIC, stdout);
3460 if (mono_inject_async_exc_method)
3461 mono_method_desc_free (mono_inject_async_exc_method);
3463 mono_native_tls_free (mono_jit_tls_id);
3465 mono_mutex_destroy (&jit_mutex);
3467 mono_mutex_destroy (&mono_delegate_section);
3469 mono_code_manager_cleanup ();
3471 #ifdef USE_JUMP_TABLES
3472 mono_jumptable_cleanup ();
3477 mono_set_defaults (int verbose_level, guint32 opts)
3479 mini_verbose = verbose_level;
3480 mono_set_optimizations (opts);
3484 mono_disable_optimizations (guint32 opts)
3486 default_opt &= ~opts;
3490 mono_set_optimizations (guint32 opts)
3493 default_opt_set = TRUE;
3494 #ifdef MONO_ARCH_GSHAREDVT_SUPPORTED
3495 mono_set_generic_sharing_vt_supported (mono_aot_only || ((default_opt & MONO_OPT_GSHAREDVT) != 0));
3500 mono_set_verbose_level (guint32 level)
3502 mini_verbose = level;
3506 * mono_get_runtime_build_info:
3508 * Return the runtime version + build date in string format.
3509 * The returned string is owned by the caller. The returned string
3510 * format is "VERSION (FULL_VERSION BUILD_DATE)" and build date is optional.
3513 mono_get_runtime_build_info (void)
3515 if (mono_build_date)
3516 return g_strdup_printf ("%s (%s %s)", VERSION, FULL_VERSION, mono_build_date);
3518 return g_strdup_printf ("%s (%s)", VERSION, FULL_VERSION);
3522 mono_precompile_assembly (MonoAssembly *ass, void *user_data)
3524 GHashTable *assemblies = (GHashTable*)user_data;
3525 MonoImage *image = mono_assembly_get_image (ass);
3526 MonoMethod *method, *invoke;
3529 if (g_hash_table_lookup (assemblies, ass))
3532 g_hash_table_insert (assemblies, ass, ass);
3534 if (mini_verbose > 0)
3535 printf ("PRECOMPILE: %s.\n", mono_image_get_filename (image));
3537 for (i = 0; i < mono_image_get_table_rows (image, MONO_TABLE_METHOD); ++i) {
3538 method = mono_get_method (image, MONO_TOKEN_METHOD_DEF | (i + 1), NULL);
3539 if (method->flags & METHOD_ATTRIBUTE_ABSTRACT)
3541 if (method->is_generic || method->klass->generic_container)
3545 if (mini_verbose > 1) {
3546 char * desc = mono_method_full_name (method, TRUE);
3547 g_print ("Compiling %d %s\n", count, desc);
3550 mono_compile_method (method);
3551 if (strcmp (method->name, "Finalize") == 0) {
3552 invoke = mono_marshal_get_runtime_invoke (method, FALSE);
3553 mono_compile_method (invoke);
3555 #ifndef DISABLE_REMOTING
3556 if (mono_class_is_marshalbyref (method->klass) && mono_method_signature (method)->hasthis) {
3557 invoke = mono_marshal_get_remoting_invoke_with_check (method);
3558 mono_compile_method (invoke);
3563 /* Load and precompile referenced assemblies as well */
3564 for (i = 0; i < mono_image_get_table_rows (image, MONO_TABLE_ASSEMBLYREF); ++i) {
3565 mono_assembly_load_reference (image, i);
3566 if (image->references [i])
3567 mono_precompile_assembly (image->references [i], assemblies);
3571 void mono_precompile_assemblies ()
3573 GHashTable *assemblies = g_hash_table_new (NULL, NULL);
3575 mono_assembly_foreach ((GFunc)mono_precompile_assembly, assemblies);
3577 g_hash_table_destroy (assemblies);
3580 #ifdef USE_JUMP_TABLES
3581 #define DEFAULT_JUMPTABLE_CHUNK_ELEMENTS 128
3583 typedef struct MonoJumpTableChunk {
3586 struct MonoJumpTableChunk *previous;
3587 /* gpointer entries[total]; */
3588 } MonoJumpTableChunk;
3590 static MonoJumpTableChunk* g_jumptable;
3591 #define mono_jumptable_lock() mono_mutex_lock (&jumptable_mutex)
3592 #define mono_jumptable_unlock() mono_mutex_unlock (&jumptable_mutex)
3593 static mono_mutex_t jumptable_mutex;
3595 static MonoJumpTableChunk*
3596 mono_create_jumptable_chunk (guint32 max_entries)
3598 guint32 size = sizeof (MonoJumpTableChunk) + max_entries * sizeof(gpointer);
3599 MonoJumpTableChunk *chunk = (MonoJumpTableChunk*) g_new0 (guchar, size);
3600 chunk->total = max_entries;
3605 mono_jumptable_init (void)
3607 if (g_jumptable == NULL) {
3608 mono_mutex_init_recursive (&jumptable_mutex);
3609 g_jumptable = mono_create_jumptable_chunk (DEFAULT_JUMPTABLE_CHUNK_ELEMENTS);
3614 mono_jumptable_add_entry (void)
3616 return mono_jumptable_add_entries (1);
3620 mono_jumptable_add_entries (guint32 entries)
3625 mono_jumptable_init ();
3626 mono_jumptable_lock ();
3627 index = g_jumptable->active;
3628 if (index + entries >= g_jumptable->total) {
3630 * Grow jumptable, by adding one more chunk.
3631 * We cannot realloc jumptable, as there could be pointers
3632 * to existing jump table entries in the code, so instead
3633 * we just add one more chunk.
3635 guint32 max_entries = entries;
3636 MonoJumpTableChunk *new_chunk;
3638 if (max_entries < DEFAULT_JUMPTABLE_CHUNK_ELEMENTS)
3639 max_entries = DEFAULT_JUMPTABLE_CHUNK_ELEMENTS;
3640 new_chunk = mono_create_jumptable_chunk (max_entries);
3641 /* Link old jumptable, so that we could free it up later. */
3642 new_chunk->previous = g_jumptable;
3643 g_jumptable = new_chunk;
3646 g_jumptable->active = index + entries;
3647 result = (gpointer*)((guchar*)g_jumptable + sizeof(MonoJumpTableChunk)) + index;
3648 mono_jumptable_unlock();
3654 mono_jumptable_cleanup (void)
3657 MonoJumpTableChunk *current = g_jumptable, *prev;
3658 while (current != NULL) {
3659 prev = current->previous;
3664 mono_mutex_destroy (&jumptable_mutex);
3669 mono_jumptable_get_entry (guint8 *code_ptr)
3671 return mono_arch_jumptable_entry_from_code (code_ptr);