2 * mini-runtime.c: Runtime code for the JIT
5 * Paolo Molaro (lupus@ximian.com)
6 * Dietmar Maurer (dietmar@ximian.com)
8 * Copyright 2002-2003 Ximian, Inc.
9 * Copyright 2003-2010 Novell, Inc.
10 * Copyright 2011-2015 Xamarin, Inc (http://www.xamarin.com)
21 #ifdef HAVE_SYS_TIME_H
28 #include <mono/utils/memcheck.h>
30 #include <mono/metadata/assembly.h>
31 #include <mono/metadata/loader.h>
32 #include <mono/metadata/tabledefs.h>
33 #include <mono/metadata/class.h>
34 #include <mono/metadata/object.h>
35 #include <mono/metadata/tokentype.h>
36 #include <mono/metadata/tabledefs.h>
37 #include <mono/metadata/threads.h>
38 #include <mono/metadata/appdomain.h>
39 #include <mono/metadata/debug-helpers.h>
40 #include "mono/metadata/profiler.h"
41 #include <mono/metadata/profiler-private.h>
42 #include <mono/metadata/mono-config.h>
43 #include <mono/metadata/environment.h>
44 #include <mono/metadata/mono-debug.h>
45 #include <mono/metadata/gc-internal.h>
46 #include <mono/metadata/threads-types.h>
47 #include <mono/metadata/mempool-internals.h>
48 #include <mono/metadata/attach.h>
49 #include <mono/metadata/runtime.h>
50 #include <mono/utils/mono-math.h>
51 #include <mono/utils/mono-compiler.h>
52 #include <mono/utils/mono-counters.h>
53 #include <mono/utils/mono-error-internals.h>
54 #include <mono/utils/mono-logger-internal.h>
55 #include <mono/utils/mono-mmap.h>
56 #include <mono/utils/mono-path.h>
57 #include <mono/utils/mono-tls.h>
58 #include <mono/utils/mono-hwcap.h>
59 #include <mono/utils/dtrace.h>
60 #include <mono/utils/mono-signal-handler.h>
61 #include <mono/utils/mono-threads.h>
62 #include <mono/utils/checked-build.h>
63 #include <mono/io-layer/io-layer.h>
66 #include "seq-points.h"
73 #include "jit-icalls.h"
76 #include "debugger-agent.h"
78 static guint32 default_opt = 0;
79 static gboolean default_opt_set = FALSE;
81 MonoNativeTlsKey mono_jit_tls_id;
83 #ifdef MONO_HAVE_FAST_TLS
84 MONO_FAST_TLS_DECLARE(mono_jit_tls);
87 gboolean mono_compile_aot = FALSE;
88 /* If this is set, no code is generated dynamically, everything is taken from AOT files */
89 gboolean mono_aot_only = FALSE;
90 MonoAotMode mono_aot_mode = MONO_AOT_MODE_NONE;
92 const char *mono_build_date;
93 gboolean mono_do_signal_chaining;
94 gboolean mono_do_crash_chaining;
98 * This flag controls whenever the runtime uses LLVM for JIT compilation, and whenever
99 * it can load AOT code compiled by LLVM.
101 gboolean mono_use_llvm = FALSE;
103 #define mono_jit_lock() mono_mutex_lock (&jit_mutex)
104 #define mono_jit_unlock() mono_mutex_unlock (&jit_mutex)
105 static mono_mutex_t jit_mutex;
107 static MonoCodeManager *global_codeman;
109 MonoDebugOptions debug_options;
111 #ifdef VALGRIND_JIT_REGISTER_MAP
112 int valgrind_register;
115 static GSList *tramp_infos;
117 static void register_icalls (void);
120 mono_running_on_valgrind (void)
123 if (RUNNING_ON_VALGRIND){
124 #ifdef VALGRIND_JIT_REGISTER_MAP
125 valgrind_register = TRUE;
139 find_tramp (gpointer key, gpointer value, gpointer user_data)
141 FindTrampUserData *ud = (FindTrampUserData*)user_data;
144 ud->method = (MonoMethod*)key;
148 G_GNUC_UNUSED static char*
149 get_method_from_ip (void *ip)
154 MonoDomain *domain = mono_domain_get ();
155 MonoDebugSourceLocation *location;
156 FindTrampUserData user_data;
159 domain = mono_get_root_domain ();
161 ji = mono_jit_info_table_find_internal (domain, ip, TRUE, TRUE);
164 user_data.method = NULL;
165 mono_domain_lock (domain);
166 g_hash_table_foreach (domain_jit_info (domain)->jit_trampoline_hash, find_tramp, &user_data);
167 mono_domain_unlock (domain);
168 if (user_data.method) {
169 char *mname = mono_method_full_name (user_data.method, TRUE);
170 res = g_strdup_printf ("<%p - JIT trampoline for %s>", ip, mname);
176 } else if (ji->is_trampoline) {
177 res = g_strdup_printf ("<%p - %s trampoline>", ip, ((MonoTrampInfo*)ji->d.tramp_info)->name);
181 method = mono_method_full_name (jinfo_get_method (ji), TRUE);
182 /* FIXME: unused ? */
183 location = mono_debug_lookup_source_location (jinfo_get_method (ji), (guint32)((guint8*)ip - (guint8*)ji->code_start), domain);
185 res = g_strdup_printf (" %s + 0x%x (%p %p) [%p - %s]", method, (int)((char*)ip - (char*)ji->code_start), ji->code_start, (char*)ji->code_start + ji->code_size, domain, domain->friendly_name);
187 mono_debug_free_source_location (location);
195 * @ip: an instruction pointer address
197 * This method is used from a debugger to get the name of the
198 * method at address @ip. This routine is typically invoked from
199 * a debugger like this:
201 * (gdb) print mono_pmip ($pc)
203 * Returns: the name of the method at address @ip.
208 return get_method_from_ip (ip);
212 * mono_print_method_from_ip
213 * @ip: an instruction pointer address
215 * This method is used from a debugger to get the name of the
216 * method at address @ip.
218 * This prints the name of the method at address @ip in the standard
219 * output. Unlike mono_pmip which returns a string, this routine
220 * prints the value on the standard output.
223 /* Prevent the linker from optimizing this away in embedding setups to help debugging */
224 __attribute__((used))
227 mono_print_method_from_ip (void *ip)
231 MonoDebugSourceLocation *source;
232 MonoDomain *domain = mono_domain_get ();
233 MonoDomain *target_domain = mono_domain_get ();
234 FindTrampUserData user_data;
235 MonoGenericSharingContext*gsctx;
236 const char *shared_type;
238 ji = mini_jit_info_table_find_ext (domain, ip, TRUE, &target_domain);
239 if (ji && ji->is_trampoline) {
240 MonoTrampInfo *tinfo = ji->d.tramp_info;
242 printf ("IP %p is at offset 0x%x of trampoline '%s'.\n", ip, (int)((guint8*)ip - tinfo->code), tinfo->name);
248 user_data.method = NULL;
249 mono_domain_lock (domain);
250 g_hash_table_foreach (domain_jit_info (domain)->jit_trampoline_hash, find_tramp, &user_data);
251 mono_domain_unlock (domain);
253 if (user_data.method) {
254 char *mname = mono_method_full_name (user_data.method, TRUE);
255 printf ("IP %p is a JIT trampoline for %s\n", ip, mname);
260 g_print ("No method at %p\n", ip);
264 method = mono_method_full_name (jinfo_get_method (ji), TRUE);
265 source = mono_debug_lookup_source_location (jinfo_get_method (ji), (guint32)((guint8*)ip - (guint8*)ji->code_start), target_domain);
267 gsctx = mono_jit_info_get_generic_sharing_context (ji);
270 if (gsctx->is_gsharedvt)
271 shared_type = "gsharedvt ";
273 shared_type = "gshared ";
276 g_print ("IP %p at offset 0x%x of %smethod %s (%p %p)[domain %p - %s]\n", ip, (int)((char*)ip - (char*)ji->code_start), shared_type, method, ji->code_start, (char*)ji->code_start + ji->code_size, target_domain, target_domain->friendly_name);
279 g_print ("%s:%d\n", source->source_file, source->row);
282 mono_debug_free_source_location (source);
287 * mono_method_same_domain:
289 * Determine whenever two compiled methods are in the same domain, thus
290 * the address of the callee can be embedded in the caller.
292 gboolean mono_method_same_domain (MonoJitInfo *caller, MonoJitInfo *callee)
296 if (!caller || caller->is_trampoline || !callee || callee->is_trampoline)
300 * If the call was made from domain-neutral to domain-specific
301 * code, we can't patch the call site.
303 if (caller->domain_neutral && !callee->domain_neutral)
306 cmethod = jinfo_get_method (caller);
307 if ((cmethod->klass == mono_defaults.appdomain_class) &&
308 (strstr (cmethod->name, "InvokeInDomain"))) {
309 /* The InvokeInDomain methods change the current appdomain */
317 * mono_global_codeman_reserve:
319 * Allocate code memory from the global code manager.
321 void *mono_global_codeman_reserve (int size)
326 g_error ("Attempting to allocate from the global code manager while running with --aot-only.\n");
328 if (!global_codeman) {
329 /* This can happen during startup */
330 global_codeman = mono_code_manager_new ();
331 return mono_code_manager_reserve (global_codeman, size);
335 ptr = mono_code_manager_reserve (global_codeman, size);
341 #if defined(__native_client_codegen__) && defined(__native_client__)
345 #ifdef __native_client_gc__
346 __nacl_suspend_thread_if_needed();
350 /* Given the temporary buffer (allocated by mono_global_codeman_reserve) into
351 * which we are generating code, return a pointer to the destination in the
352 * dynamic code segment into which the code will be copied when
353 * mono_global_codeman_commit is called.
354 * LOCKING: Acquires the jit lock.
357 nacl_global_codeman_get_dest (void *data)
361 dest = nacl_code_manager_get_code_dest (global_codeman, data);
367 mono_global_codeman_commit (void *data, int size, int newsize)
370 mono_code_manager_commit (global_codeman, data, size, newsize);
375 * Convenience function which calls mono_global_codeman_commit to validate and
376 * copy the code. The caller sets *buf_base and *buf_size to the start and size
377 * of the buffer (allocated by mono_global_codeman_reserve), and *code_end to
378 * the byte after the last instruction byte. On return, *buf_base will point to
379 * the start of the copied in the code segment, and *code_end will point after
380 * the end of the copied code.
383 nacl_global_codeman_validate (guint8 **buf_base, int buf_size, guint8 **code_end)
385 guint8 *tmp = nacl_global_codeman_get_dest (*buf_base);
386 mono_global_codeman_commit (*buf_base, buf_size, *code_end - *buf_base);
387 *code_end = tmp + (*code_end - *buf_base);
391 /* no-op versions of Native Client functions */
393 nacl_global_codeman_get_dest (void *data)
399 mono_global_codeman_commit (void *data, int size, int newsize)
404 nacl_global_codeman_validate (guint8 **buf_base, int buf_size, guint8 **code_end)
408 #endif /* __native_client__ */
411 * mono_create_unwind_op:
413 * Create an unwind op with the given parameters.
416 mono_create_unwind_op (int when, int tag, int reg, int val)
418 MonoUnwindOp *op = g_new0 (MonoUnwindOp, 1);
429 mono_jump_info_token_new2 (MonoMemPool *mp, MonoImage *image, guint32 token, MonoGenericContext *context)
431 MonoJumpInfoToken *res = mono_mempool_alloc0 (mp, sizeof (MonoJumpInfoToken));
434 res->has_context = context != NULL;
436 memcpy (&res->context, context, sizeof (MonoGenericContext));
442 mono_jump_info_token_new (MonoMemPool *mp, MonoImage *image, guint32 token)
444 return mono_jump_info_token_new2 (mp, image, token, NULL);
448 * mono_tramp_info_create:
450 * Create a MonoTrampInfo structure from the arguments. This function assumes ownership
451 * of JI, and UNWIND_OPS.
454 mono_tramp_info_create (const char *name, guint8 *code, guint32 code_size, MonoJumpInfo *ji, GSList *unwind_ops)
456 MonoTrampInfo *info = g_new0 (MonoTrampInfo, 1);
458 info->name = g_strdup ((char*)name);
460 info->code_size = code_size;
462 info->unwind_ops = unwind_ops;
468 mono_tramp_info_free (MonoTrampInfo *info)
473 mono_free_unwind_info (info->unwind_ops);
478 register_trampoline_jit_info (MonoDomain *domain, MonoTrampInfo *info)
482 ji = mono_domain_alloc0 (domain, mono_jit_info_size (0, 0, 0));
483 mono_jit_info_init (ji, NULL, info->code, info->code_size, 0, 0, 0);
484 ji->d.tramp_info = info;
485 ji->is_trampoline = TRUE;
487 ji->unwind_info = mono_cache_unwind_info (info->uw_info, info->uw_info_len);
489 mono_jit_info_table_add (domain, ji);
493 * mono_tramp_info_register:
495 * Remember INFO for use by xdebug, mono_print_method_from_ip (), jit maps, etc.
500 mono_tramp_info_register (MonoTrampInfo *info, MonoDomain *domain)
508 domain = mono_get_root_domain ();
510 copy = g_new0 (MonoTrampInfo, 1);
511 copy->code = info->code;
512 copy->code_size = info->code_size;
513 copy->name = g_strdup (info->name);
515 if (info->unwind_ops) {
516 copy->uw_info = mono_unwind_ops_encode (info->unwind_ops, ©->uw_info_len);
518 /* Trampolines from aot have the unwind ops already encoded */
519 copy->uw_info = info->uw_info;
520 copy->uw_info_len = info->uw_info_len;
524 tramp_infos = g_slist_prepend (tramp_infos, copy);
527 mono_save_trampoline_xdebug_info (info);
529 /* Only register trampolines that have unwind infos */
530 if (mono_get_root_domain () && copy->uw_info)
531 register_trampoline_jit_info (domain, copy);
533 if (mono_jit_map_is_enabled ())
534 mono_emit_jit_tramp (info->code, info->code_size, info->name);
536 mono_tramp_info_free (info);
540 mono_tramp_info_cleanup (void)
544 for (l = tramp_infos; l; l = l->next) {
545 MonoTrampInfo *info = l->data;
547 mono_tramp_info_free (info);
549 g_slist_free (tramp_infos);
552 /* Register trampolines created before the root domain was created in the jit info tables */
554 register_trampolines (MonoDomain *domain)
558 for (l = tramp_infos; l; l = l->next) {
559 MonoTrampInfo *info = l->data;
561 register_trampoline_jit_info (domain, info);
565 G_GNUC_UNUSED static void
571 * Runtime debugging tool, use if (debug_count ()) <x> else <y> to do <x> the first COUNT times, then do <y> afterwards.
572 * Set a breakpoint in break_count () to break the last time <x> is done.
574 G_GNUC_UNUSED gboolean
575 mono_debug_count (void)
577 static int count = 0;
578 static gboolean inited;
579 static const char *value;
584 value = g_getenv ("COUNT");
591 if (count == atoi (value))
594 if (count > atoi (value))
601 mono_icall_get_wrapper_full (MonoJitICallInfo* callinfo, gboolean do_compile)
605 gconstpointer trampoline;
606 MonoDomain *domain = mono_get_root_domain ();
607 gboolean check_exc = TRUE;
609 if (callinfo->wrapper)
610 return callinfo->wrapper;
612 if (callinfo->trampoline)
613 return callinfo->trampoline;
615 if (!strcmp (callinfo->name, "mono_thread_interruption_checkpoint"))
616 /* This icall is used to check for exceptions, so don't check in the wrapper */
619 name = g_strdup_printf ("__icall_wrapper_%s", callinfo->name);
620 wrapper = mono_marshal_get_icall_wrapper (callinfo->sig, name, callinfo->func, check_exc);
624 trampoline = mono_compile_method (wrapper);
626 trampoline = mono_create_ftnptr (domain, mono_create_jit_trampoline_in_domain (domain, wrapper));
629 if (!callinfo->trampoline) {
630 mono_register_jit_icall_wrapper (callinfo, trampoline);
631 callinfo->trampoline = trampoline;
633 mono_loader_unlock ();
635 return callinfo->trampoline;
639 mono_icall_get_wrapper (MonoJitICallInfo* callinfo)
641 return mono_icall_get_wrapper_full (callinfo, FALSE);
644 static MonoJitDynamicMethodInfo*
645 mono_dynamic_code_hash_lookup (MonoDomain *domain, MonoMethod *method)
647 MonoJitDynamicMethodInfo *res;
649 if (domain_jit_info (domain)->dynamic_code_hash)
650 res = g_hash_table_lookup (domain_jit_info (domain)->dynamic_code_hash, method);
657 register_opcode_emulation (int opcode, const char *name, const char *sigstr, gpointer func, const char *symbol, gboolean no_throw)
660 mini_register_opcode_emulation (opcode, name, sigstr, func, symbol, no_throw);
665 * For JIT icalls implemented in C.
666 * NAME should be the same as the name of the C function whose address is FUNC.
667 * If @avoid_wrapper is TRUE, no wrapper is generated. This is for perf critical icalls which
668 * can't throw exceptions.
671 register_icall (gpointer func, const char *name, const char *sigstr, gboolean avoid_wrapper)
673 MonoMethodSignature *sig;
676 sig = mono_create_icall_signature (sigstr);
680 mono_register_jit_icall_full (func, name, sig, avoid_wrapper, FALSE, avoid_wrapper ? name : NULL);
684 register_dyn_icall (gpointer func, const char *name, const char *sigstr, gboolean save)
686 MonoMethodSignature *sig;
689 sig = mono_create_icall_signature (sigstr);
693 mono_register_jit_icall (func, name, sig, save);
696 #ifdef MONO_HAVE_FAST_TLS
697 MONO_FAST_TLS_DECLARE(mono_lmf_addr);
698 #ifdef MONO_ARCH_ENABLE_MONO_LMF_VAR
700 * When this is defined, the current lmf is stored in this tls variable instead of in
703 MONO_FAST_TLS_DECLARE(mono_lmf);
708 mono_get_jit_tls_offset (void)
714 offset = mono_jit_tls_id;
716 /* FIXME: Happens during startup */
719 MONO_THREAD_VAR_OFFSET (mono_jit_tls, offset);
725 mono_get_lmf_tls_offset (void)
727 #if defined(MONO_ARCH_ENABLE_MONO_LMF_VAR)
729 MONO_THREAD_VAR_OFFSET(mono_lmf,offset);
737 mono_get_lmf_addr_tls_offset (void)
740 MONO_THREAD_VAR_OFFSET(mono_lmf_addr,offset);
747 #if defined(MONO_HAVE_FAST_TLS) && defined(MONO_ARCH_ENABLE_MONO_LMF_VAR)
748 return MONO_FAST_TLS_GET (mono_lmf);
750 MonoJitTlsData *jit_tls;
752 if ((jit_tls = mono_native_tls_get_value (mono_jit_tls_id)))
755 * We do not assert here because this function can be called from
756 * mini-gc.c on a thread that has not executed any managed code, yet
757 * (the thread object allocation can trigger a collection).
764 mono_get_lmf_addr (void)
766 #ifdef MONO_HAVE_FAST_TLS
767 return MONO_FAST_TLS_GET (mono_lmf_addr);
769 MonoJitTlsData *jit_tls;
771 jit_tls = mono_native_tls_get_value (mono_jit_tls_id);
772 if (G_LIKELY (jit_tls))
773 return &jit_tls->lmf;
776 * When resolving the call to mono_jit_thread_attach full-aot will look
777 * in the plt, which causes a call into the generic trampoline, which in turn
778 * tries to resolve the lmf_addr creating a cyclic dependency. We cannot
779 * call mono_jit_thread_attach from the native-to-managed wrapper, without
780 * mono_get_lmf_addr, and mono_get_lmf_addr requires the thread to be attached.
783 mono_jit_thread_attach (NULL);
785 if ((jit_tls = mono_native_tls_get_value (mono_jit_tls_id)))
786 return &jit_tls->lmf;
788 g_assert_not_reached ();
794 mono_set_lmf (MonoLMF *lmf)
796 #if defined(MONO_HAVE_FAST_TLS) && defined(MONO_ARCH_ENABLE_MONO_LMF_VAR)
797 MONO_FAST_TLS_SET (mono_lmf, lmf);
800 (*mono_get_lmf_addr ()) = lmf;
804 mono_get_jit_tls (void)
806 return mono_native_tls_get_value (mono_jit_tls_id);
810 mono_set_jit_tls (MonoJitTlsData *jit_tls)
812 MonoThreadInfo *info;
814 mono_native_tls_set_value (mono_jit_tls_id, jit_tls);
816 #ifdef MONO_HAVE_FAST_TLS
817 MONO_FAST_TLS_SET (mono_jit_tls, jit_tls);
820 /* Save it into MonoThreadInfo so it can be accessed by mono_thread_state_init_from_handle () */
821 info = mono_thread_info_current ();
823 mono_thread_info_tls_set (info, TLS_KEY_JIT_TLS, jit_tls);
827 mono_set_lmf_addr (gpointer lmf_addr)
829 MonoThreadInfo *info;
831 #ifdef MONO_HAVE_FAST_TLS
832 MONO_FAST_TLS_SET (mono_lmf_addr, lmf_addr);
835 /* Save it into MonoThreadInfo so it can be accessed by mono_thread_state_init_from_handle () */
836 info = mono_thread_info_current ();
838 mono_thread_info_tls_set (info, TLS_KEY_LMF_ADDR, lmf_addr);
842 * mono_jit_thread_attach:
844 * Called by native->managed wrappers. Returns the original domain which needs to be
848 mono_jit_thread_attach (MonoDomain *domain)
854 * Happens when called from AOTed code which is only used in the root
857 domain = mono_get_root_domain ();
859 #ifdef MONO_HAVE_FAST_TLS
860 if (!MONO_FAST_TLS_GET (mono_lmf_addr)) {
861 mono_thread_attach (domain);
863 mono_thread_set_state (mono_thread_internal_current (), ThreadState_Background);
866 if (!mono_native_tls_get_value (mono_jit_tls_id)) {
867 mono_thread_attach (domain);
868 mono_thread_set_state (mono_thread_internal_current (), ThreadState_Background);
871 orig = mono_domain_get ();
873 mono_domain_set (domain, TRUE);
875 return orig != domain ? orig : NULL;
878 /* Called by native->managed wrappers */
880 mono_jit_set_domain (MonoDomain *domain)
883 mono_domain_set (domain, TRUE);
888 * @obj: exception object
890 * abort the thread, print exception information and stack trace
893 mono_thread_abort (MonoObject *obj)
895 /* MonoJitTlsData *jit_tls = mono_native_tls_get_value (mono_jit_tls_id); */
897 /* handle_remove should be eventually called for this thread, too
900 if ((mono_runtime_unhandled_exception_policy_get () == MONO_UNHANDLED_POLICY_LEGACY) ||
901 (obj->vtable->klass == mono_defaults.threadabortexception_class)) {
904 mono_invoke_unhandled_exception_hook (obj);
909 setup_jit_tls_data (gpointer stack_start, gpointer abort_func)
911 MonoJitTlsData *jit_tls;
914 jit_tls = mono_native_tls_get_value (mono_jit_tls_id);
918 jit_tls = g_new0 (MonoJitTlsData, 1);
920 jit_tls->abort_func = abort_func;
921 jit_tls->end_of_stack = stack_start;
923 mono_set_jit_tls (jit_tls);
925 lmf = g_new0 (MonoLMF, 1);
926 MONO_ARCH_INIT_TOP_LMF_ENTRY (lmf);
928 jit_tls->first_lmf = lmf;
930 #if defined(MONO_HAVE_FAST_TLS) && defined(MONO_ARCH_ENABLE_MONO_LMF_VAR)
931 /* jit_tls->lmf is unused */
932 MONO_FAST_TLS_SET (mono_lmf, lmf);
933 mono_set_lmf_addr (MONO_FAST_TLS_ADDR (mono_lmf));
935 mono_set_lmf_addr (&jit_tls->lmf);
940 #ifdef MONO_ARCH_HAVE_TLS_INIT
941 mono_arch_tls_init ();
944 mono_setup_altstack (jit_tls);
950 free_jit_tls_data (MonoJitTlsData *jit_tls)
952 mono_arch_free_jit_tls_data (jit_tls);
953 mono_free_altstack (jit_tls);
955 g_free (jit_tls->first_lmf);
960 mono_thread_start_cb (intptr_t tid, gpointer stack_start, gpointer func)
962 MonoThreadInfo *thread;
963 void *jit_tls = setup_jit_tls_data (stack_start, mono_thread_abort);
964 thread = mono_thread_info_current_unchecked ();
966 thread->jit_data = jit_tls;
968 mono_arch_cpu_init ();
971 void (*mono_thread_attach_aborted_cb ) (MonoObject *obj) = NULL;
974 mono_thread_abort_dummy (MonoObject *obj)
976 if (mono_thread_attach_aborted_cb)
977 mono_thread_attach_aborted_cb (obj);
979 mono_thread_abort (obj);
983 mono_thread_attach_cb (intptr_t tid, gpointer stack_start)
985 MonoThreadInfo *thread;
986 void *jit_tls = setup_jit_tls_data (stack_start, mono_thread_abort_dummy);
987 thread = mono_thread_info_current_unchecked ();
989 thread->jit_data = jit_tls;
990 if (mono_profiler_get_events () & MONO_PROFILE_STATISTICAL)
991 mono_runtime_setup_stat_profiler ();
993 mono_arch_cpu_init ();
997 mini_thread_cleanup (MonoNativeThreadId tid)
999 MonoJitTlsData *jit_tls = NULL;
1000 MonoThreadInfo *info;
1002 info = mono_thread_info_current_unchecked ();
1004 /* We can't clean up tls information if we are on another thread, it will clean up the wrong stuff
1005 * It would be nice to issue a warning when this happens outside of the shutdown sequence. but it's
1006 * not a trivial thing.
1008 * The current offender is mono_thread_manage which cleanup threads from the outside.
1010 if (info && mono_thread_info_get_tid (info) == tid) {
1011 jit_tls = info->jit_data;
1012 info->jit_data = NULL;
1014 mono_set_jit_tls (NULL);
1016 /* If we attach a thread but never call into managed land, we might never get an lmf.*/
1017 if (mono_get_lmf ()) {
1018 mono_set_lmf (NULL);
1019 mono_set_lmf_addr (NULL);
1022 info = mono_thread_info_lookup (tid);
1024 jit_tls = info->jit_data;
1025 info->jit_data = NULL;
1027 mono_hazard_pointer_clear (mono_hazard_pointer_get (), 1);
1031 free_jit_tls_data (jit_tls);
1035 mini_get_tls_offset (MonoTlsKey key)
1038 g_assert (MONO_ARCH_HAVE_TLS_GET);
1041 case TLS_KEY_THREAD:
1042 offset = mono_thread_get_tls_offset ();
1044 case TLS_KEY_JIT_TLS:
1045 offset = mono_get_jit_tls_offset ();
1047 case TLS_KEY_DOMAIN:
1048 offset = mono_domain_get_tls_offset ();
1051 offset = mono_get_lmf_tls_offset ();
1053 case TLS_KEY_LMF_ADDR:
1054 offset = mono_get_lmf_addr_tls_offset ();
1057 offset = mono_tls_key_get_offset (key);
1058 g_assert (offset != -1);
1066 mini_tls_key_supported (MonoTlsKey key)
1068 if (!MONO_ARCH_HAVE_TLS_GET)
1071 return mini_get_tls_offset (key) != -1;
1075 mono_patch_info_list_prepend (MonoJumpInfo *list, int ip, MonoJumpInfoType type, gconstpointer target)
1077 MonoJumpInfo *ji = g_new0 (MonoJumpInfo, 1);
1081 ji->data.target = target;
1088 * mono_patch_info_dup_mp:
1090 * Make a copy of PATCH_INFO, allocating memory from the mempool MP.
1093 mono_patch_info_dup_mp (MonoMemPool *mp, MonoJumpInfo *patch_info)
1095 MonoJumpInfo *res = mono_mempool_alloc (mp, sizeof (MonoJumpInfo));
1096 memcpy (res, patch_info, sizeof (MonoJumpInfo));
1098 switch (patch_info->type) {
1099 case MONO_PATCH_INFO_RVA:
1100 case MONO_PATCH_INFO_LDSTR:
1101 case MONO_PATCH_INFO_TYPE_FROM_HANDLE:
1102 case MONO_PATCH_INFO_LDTOKEN:
1103 case MONO_PATCH_INFO_DECLSEC:
1104 res->data.token = mono_mempool_alloc (mp, sizeof (MonoJumpInfoToken));
1105 memcpy (res->data.token, patch_info->data.token, sizeof (MonoJumpInfoToken));
1107 case MONO_PATCH_INFO_SWITCH:
1108 res->data.table = mono_mempool_alloc (mp, sizeof (MonoJumpInfoBBTable));
1109 memcpy (res->data.table, patch_info->data.table, sizeof (MonoJumpInfoBBTable));
1110 res->data.table->table = mono_mempool_alloc (mp, sizeof (MonoBasicBlock*) * patch_info->data.table->table_size);
1111 memcpy (res->data.table->table, patch_info->data.table->table, sizeof (MonoBasicBlock*) * patch_info->data.table->table_size);
1113 case MONO_PATCH_INFO_RGCTX_FETCH:
1114 res->data.rgctx_entry = mono_mempool_alloc (mp, sizeof (MonoJumpInfoRgctxEntry));
1115 memcpy (res->data.rgctx_entry, patch_info->data.rgctx_entry, sizeof (MonoJumpInfoRgctxEntry));
1116 res->data.rgctx_entry->data = mono_patch_info_dup_mp (mp, res->data.rgctx_entry->data);
1118 case MONO_PATCH_INFO_DELEGATE_TRAMPOLINE:
1119 res->data.del_tramp = mono_mempool_alloc0 (mp, sizeof (MonoDelegateClassMethodPair));
1120 memcpy (res->data.del_tramp, patch_info->data.del_tramp, sizeof (MonoDelegateClassMethodPair));
1122 case MONO_PATCH_INFO_GSHAREDVT_CALL:
1123 res->data.gsharedvt = mono_mempool_alloc (mp, sizeof (MonoJumpInfoGSharedVtCall));
1124 memcpy (res->data.gsharedvt, patch_info->data.gsharedvt, sizeof (MonoJumpInfoGSharedVtCall));
1126 case MONO_PATCH_INFO_GSHAREDVT_METHOD: {
1127 MonoGSharedVtMethodInfo *info;
1128 MonoGSharedVtMethodInfo *oinfo;
1131 oinfo = patch_info->data.gsharedvt_method;
1132 info = mono_mempool_alloc (mp, sizeof (MonoGSharedVtMethodInfo));
1133 res->data.gsharedvt_method = info;
1134 memcpy (info, oinfo, sizeof (MonoGSharedVtMethodInfo));
1135 info->entries = mono_mempool_alloc (mp, sizeof (MonoRuntimeGenericContextInfoTemplate) * info->count_entries);
1136 for (i = 0; i < oinfo->num_entries; ++i) {
1137 MonoRuntimeGenericContextInfoTemplate *otemplate = &oinfo->entries [i];
1138 MonoRuntimeGenericContextInfoTemplate *template = &info->entries [i];
1140 memcpy (template, otemplate, sizeof (MonoRuntimeGenericContextInfoTemplate));
1142 //info->locals_types = mono_mempool_alloc0 (mp, info->nlocals * sizeof (MonoType*));
1143 //memcpy (info->locals_types, oinfo->locals_types, info->nlocals * sizeof (MonoType*));
1146 case MONO_PATCH_INFO_VIRT_METHOD: {
1147 MonoJumpInfoVirtMethod *info;
1148 MonoJumpInfoVirtMethod *oinfo;
1150 oinfo = patch_info->data.virt_method;
1151 info = mono_mempool_alloc0 (mp, sizeof (MonoJumpInfoVirtMethod));
1152 res->data.virt_method = info;
1153 memcpy (info, oinfo, sizeof (MonoJumpInfoVirtMethod));
1164 mono_patch_info_hash (gconstpointer data)
1166 const MonoJumpInfo *ji = (MonoJumpInfo*)data;
1169 case MONO_PATCH_INFO_RVA:
1170 case MONO_PATCH_INFO_LDSTR:
1171 case MONO_PATCH_INFO_LDTOKEN:
1172 case MONO_PATCH_INFO_DECLSEC:
1173 return (ji->type << 8) | ji->data.token->token;
1174 case MONO_PATCH_INFO_TYPE_FROM_HANDLE:
1175 return (ji->type << 8) | ji->data.token->token | (ji->data.token->has_context ? (gsize)ji->data.token->context.class_inst : 0);
1176 case MONO_PATCH_INFO_INTERNAL_METHOD:
1177 return (ji->type << 8) | g_str_hash (ji->data.name);
1178 case MONO_PATCH_INFO_VTABLE:
1179 case MONO_PATCH_INFO_CLASS:
1180 case MONO_PATCH_INFO_IID:
1181 case MONO_PATCH_INFO_ADJUSTED_IID:
1182 case MONO_PATCH_INFO_METHODCONST:
1183 case MONO_PATCH_INFO_METHOD:
1184 case MONO_PATCH_INFO_METHOD_JUMP:
1185 case MONO_PATCH_INFO_IMAGE:
1186 case MONO_PATCH_INFO_ICALL_ADDR:
1187 case MONO_PATCH_INFO_FIELD:
1188 case MONO_PATCH_INFO_SFLDA:
1189 case MONO_PATCH_INFO_SEQ_POINT_INFO:
1190 case MONO_PATCH_INFO_METHOD_RGCTX:
1191 case MONO_PATCH_INFO_SIGNATURE:
1192 case MONO_PATCH_INFO_TLS_OFFSET:
1193 case MONO_PATCH_INFO_METHOD_CODE_SLOT:
1194 return (ji->type << 8) | (gssize)ji->data.target;
1195 case MONO_PATCH_INFO_GSHAREDVT_CALL:
1196 return (ji->type << 8) | (gssize)ji->data.gsharedvt->method;
1197 case MONO_PATCH_INFO_RGCTX_FETCH: {
1198 MonoJumpInfoRgctxEntry *e = ji->data.rgctx_entry;
1200 return (ji->type << 8) | (gssize)e->method | (e->in_mrgctx) | e->info_type | mono_patch_info_hash (e->data);
1202 case MONO_PATCH_INFO_INTERRUPTION_REQUEST_FLAG:
1203 case MONO_PATCH_INFO_MSCORLIB_GOT_ADDR:
1204 case MONO_PATCH_INFO_GC_CARD_TABLE_ADDR:
1205 case MONO_PATCH_INFO_GC_NURSERY_START:
1206 case MONO_PATCH_INFO_JIT_TLS_ID:
1207 case MONO_PATCH_INFO_GOT_OFFSET:
1208 case MONO_PATCH_INFO_GC_SAFE_POINT_FLAG:
1209 return (ji->type << 8);
1210 case MONO_PATCH_INFO_CASTCLASS_CACHE:
1211 return (ji->type << 8) | (ji->data.index);
1212 case MONO_PATCH_INFO_SWITCH:
1213 return (ji->type << 8) | ji->data.table->table_size;
1214 case MONO_PATCH_INFO_GSHAREDVT_METHOD:
1215 return (ji->type << 8) | (gssize)ji->data.gsharedvt_method->method;
1216 case MONO_PATCH_INFO_OBJC_SELECTOR_REF:
1217 /* Hash on the selector name */
1218 return g_str_hash (ji->data.target);
1219 case MONO_PATCH_INFO_DELEGATE_TRAMPOLINE:
1220 return (ji->type << 8) | (gsize)ji->data.del_tramp->klass | (gsize)ji->data.del_tramp->method | (gsize)ji->data.del_tramp->virtual;
1221 case MONO_PATCH_INFO_LDSTR_LIT:
1222 return g_str_hash (ji->data.target);
1223 case MONO_PATCH_INFO_VIRT_METHOD: {
1224 MonoJumpInfoVirtMethod *info = ji->data.virt_method;
1226 return (ji->type << 8) | (gssize)info->klass | (gssize)info->method;
1228 case MONO_PATCH_INFO_JIT_ICALL_ADDR:
1229 return (ji->type << 8) | g_str_hash (ji->data.target);
1231 printf ("info type: %d\n", ji->type);
1232 mono_print_ji (ji); printf ("\n");
1233 g_assert_not_reached ();
1239 * mono_patch_info_equal:
1241 * This might fail to recognize equivalent patches, i.e. floats, so its only
1242 * usable in those cases where this is not a problem, i.e. sharing GOT slots
1246 mono_patch_info_equal (gconstpointer ka, gconstpointer kb)
1248 const MonoJumpInfo *ji1 = (MonoJumpInfo*)ka;
1249 const MonoJumpInfo *ji2 = (MonoJumpInfo*)kb;
1251 if (ji1->type != ji2->type)
1254 switch (ji1->type) {
1255 case MONO_PATCH_INFO_RVA:
1256 case MONO_PATCH_INFO_LDSTR:
1257 case MONO_PATCH_INFO_TYPE_FROM_HANDLE:
1258 case MONO_PATCH_INFO_LDTOKEN:
1259 case MONO_PATCH_INFO_DECLSEC:
1260 if ((ji1->data.token->image != ji2->data.token->image) ||
1261 (ji1->data.token->token != ji2->data.token->token) ||
1262 (ji1->data.token->has_context != ji2->data.token->has_context) ||
1263 (ji1->data.token->context.class_inst != ji2->data.token->context.class_inst) ||
1264 (ji1->data.token->context.method_inst != ji2->data.token->context.method_inst))
1267 case MONO_PATCH_INFO_INTERNAL_METHOD:
1268 return g_str_equal (ji1->data.name, ji2->data.name);
1269 case MONO_PATCH_INFO_RGCTX_FETCH: {
1270 MonoJumpInfoRgctxEntry *e1 = ji1->data.rgctx_entry;
1271 MonoJumpInfoRgctxEntry *e2 = ji2->data.rgctx_entry;
1273 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);
1275 case MONO_PATCH_INFO_GSHAREDVT_CALL: {
1276 MonoJumpInfoGSharedVtCall *c1 = ji1->data.gsharedvt;
1277 MonoJumpInfoGSharedVtCall *c2 = ji2->data.gsharedvt;
1279 return c1->sig == c2->sig && c1->method == c2->method;
1281 case MONO_PATCH_INFO_GSHAREDVT_METHOD:
1282 return ji1->data.gsharedvt_method->method == ji2->data.gsharedvt_method->method;
1283 case MONO_PATCH_INFO_DELEGATE_TRAMPOLINE:
1284 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;
1285 case MONO_PATCH_INFO_CASTCLASS_CACHE:
1286 return ji1->data.index == ji2->data.index;
1287 case MONO_PATCH_INFO_VIRT_METHOD:
1288 return ji1->data.virt_method->klass == ji2->data.virt_method->klass && ji1->data.virt_method->method == ji2->data.virt_method->method;
1289 case MONO_PATCH_INFO_JIT_ICALL_ADDR:
1290 if (ji1->data.target == ji2->data.target)
1292 return strcmp (ji1->data.target, ji2->data.target) == 0 ? 1 : 0;
1294 if (ji1->data.target != ji2->data.target)
1303 mono_resolve_patch_target (MonoMethod *method, MonoDomain *domain, guint8 *code, MonoJumpInfo *patch_info, gboolean run_cctors)
1305 unsigned char *ip = patch_info->ip.i + code;
1306 gconstpointer target = NULL;
1308 switch (patch_info->type) {
1309 case MONO_PATCH_INFO_BB:
1311 * FIXME: This could be hit for methods without a prolog. Should use -1
1312 * but too much code depends on a 0 initial value.
1314 //g_assert (patch_info->data.bb->native_offset);
1315 target = patch_info->data.bb->native_offset + code;
1317 case MONO_PATCH_INFO_ABS:
1318 target = patch_info->data.target;
1320 case MONO_PATCH_INFO_LABEL:
1321 target = patch_info->data.inst->inst_c0 + code;
1323 case MONO_PATCH_INFO_IP:
1324 #if defined(__native_client__) && defined(__native_client_codegen__)
1325 /* Need to transform to the destination address, it's */
1326 /* emitted as an immediate in the code. */
1327 target = nacl_inverse_modify_patch_target(ip);
1332 case MONO_PATCH_INFO_METHOD_REL:
1333 target = code + patch_info->data.offset;
1335 case MONO_PATCH_INFO_INTERNAL_METHOD: {
1336 MonoJitICallInfo *mi = mono_find_jit_icall_by_name (patch_info->data.name);
1338 g_warning ("unknown MONO_PATCH_INFO_INTERNAL_METHOD %s", patch_info->data.name);
1339 g_assert_not_reached ();
1341 target = mono_icall_get_wrapper (mi);
1344 case MONO_PATCH_INFO_JIT_ICALL_ADDR: {
1345 MonoJitICallInfo *mi = mono_find_jit_icall_by_name (patch_info->data.name);
1347 g_warning ("unknown MONO_PATCH_INFO_JIT_ICALL_ADDR %s", patch_info->data.name);
1348 g_assert_not_reached ();
1353 case MONO_PATCH_INFO_METHOD_JUMP:
1354 target = mono_create_jump_trampoline (domain, patch_info->data.method, FALSE);
1355 #if defined(__native_client__) && defined(__native_client_codegen__)
1356 # if defined(TARGET_AMD64)
1357 /* This target is an absolute address, not relative to the */
1358 /* current code being emitted on AMD64. */
1359 target = nacl_inverse_modify_patch_target(target);
1363 case MONO_PATCH_INFO_METHOD:
1364 #if defined(__native_client_codegen__) && defined(USE_JUMP_TABLES)
1366 * If we use jumptables, for recursive calls we cannot
1367 * avoid trampoline, as we not yet know where we will
1370 target = mono_create_jit_trampoline_in_domain (domain, patch_info->data.method);
1372 if (patch_info->data.method == method) {
1375 /* get the trampoline to the method from the domain */
1376 target = mono_create_jit_trampoline_in_domain (domain, patch_info->data.method);
1380 case MONO_PATCH_INFO_METHOD_CODE_SLOT: {
1383 mono_domain_lock (domain);
1384 if (!domain_jit_info (domain)->method_code_hash)
1385 domain_jit_info (domain)->method_code_hash = g_hash_table_new (NULL, NULL);
1386 code_slot = g_hash_table_lookup (domain_jit_info (domain)->method_code_hash, patch_info->data.method);
1388 code_slot = mono_domain_alloc0 (domain, sizeof (gpointer));
1389 g_hash_table_insert (domain_jit_info (domain)->method_code_hash, patch_info->data.method, code_slot);
1391 mono_domain_unlock (domain);
1395 case MONO_PATCH_INFO_GC_SAFE_POINT_FLAG:
1396 #if defined(__native_client_codegen__)
1397 target = (gpointer)&__nacl_thread_suspension_needed;
1398 #elif defined (USE_COOP_GC)
1399 target = (gpointer)&mono_polling_required;
1401 g_error ("Unsuported patch target");
1404 case MONO_PATCH_INFO_SWITCH: {
1405 gpointer *jump_table;
1407 #if defined(__native_client__) && defined(__native_client_codegen__)
1408 /* This memory will leak, but we don't care if we're */
1409 /* not deleting JIT'd methods anyway */
1410 jump_table = g_malloc0 (sizeof(gpointer) * patch_info->data.table->table_size);
1412 if (method && method->dynamic) {
1413 jump_table = mono_code_manager_reserve (mono_dynamic_code_hash_lookup (domain, method)->code_mp, sizeof (gpointer) * patch_info->data.table->table_size);
1415 if (mono_aot_only) {
1416 jump_table = mono_domain_alloc (domain, sizeof (gpointer) * patch_info->data.table->table_size);
1418 jump_table = mono_domain_code_reserve (domain, sizeof (gpointer) * patch_info->data.table->table_size);
1423 for (i = 0; i < patch_info->data.table->table_size; i++) {
1424 #if defined(__native_client__) && defined(__native_client_codegen__)
1425 /* 'code' is relative to the current code blob, we */
1426 /* need to do this transform on it to make the */
1427 /* pointers in this table absolute */
1428 jump_table [i] = nacl_inverse_modify_patch_target (code) + GPOINTER_TO_INT (patch_info->data.table->table [i]);
1430 jump_table [i] = code + GPOINTER_TO_INT (patch_info->data.table->table [i]);
1434 #if defined(__native_client__) && defined(__native_client_codegen__)
1435 /* jump_table is in the data section, we need to transform */
1436 /* it here so when it gets modified in amd64_patch it will */
1437 /* then point back to the absolute data address */
1438 target = nacl_inverse_modify_patch_target (jump_table);
1440 target = jump_table;
1444 case MONO_PATCH_INFO_METHODCONST:
1445 case MONO_PATCH_INFO_CLASS:
1446 case MONO_PATCH_INFO_IMAGE:
1447 case MONO_PATCH_INFO_FIELD:
1448 case MONO_PATCH_INFO_SIGNATURE:
1449 target = patch_info->data.target;
1451 case MONO_PATCH_INFO_IID:
1452 mono_class_init (patch_info->data.klass);
1453 target = GINT_TO_POINTER ((int)patch_info->data.klass->interface_id);
1455 case MONO_PATCH_INFO_ADJUSTED_IID:
1456 mono_class_init (patch_info->data.klass);
1457 target = GINT_TO_POINTER ((int)(-((patch_info->data.klass->interface_id + 1) * SIZEOF_VOID_P)));
1459 case MONO_PATCH_INFO_VTABLE:
1460 target = mono_class_vtable (domain, patch_info->data.klass);
1463 case MONO_PATCH_INFO_DELEGATE_TRAMPOLINE: {
1464 MonoDelegateClassMethodPair *del_tramp = patch_info->data.del_tramp;
1466 if (del_tramp->virtual)
1467 target = mono_create_delegate_virtual_trampoline (domain, del_tramp->klass, del_tramp->method);
1469 target = mono_create_delegate_trampoline_info (domain, del_tramp->klass, del_tramp->method);
1472 case MONO_PATCH_INFO_SFLDA: {
1473 MonoVTable *vtable = mono_class_vtable (domain, patch_info->data.field->parent);
1475 if (mono_class_field_is_special_static (patch_info->data.field)) {
1476 gpointer addr = NULL;
1478 mono_domain_lock (domain);
1479 if (domain->special_static_fields)
1480 addr = g_hash_table_lookup (domain->special_static_fields, patch_info->data.field);
1481 mono_domain_unlock (domain);
1487 if (!vtable->initialized && !(vtable->klass->flags & TYPE_ATTRIBUTE_BEFORE_FIELD_INIT) && (method && mono_class_needs_cctor_run (vtable->klass, method)))
1488 /* Done by the generated code */
1492 mono_runtime_class_init (vtable);
1494 target = (char*)mono_vtable_get_static_field_data (vtable) + patch_info->data.field->offset;
1497 case MONO_PATCH_INFO_RVA: {
1498 guint32 field_index = mono_metadata_token_index (patch_info->data.token->token);
1501 mono_metadata_field_info (patch_info->data.token->image, field_index - 1, NULL, &rva, NULL);
1502 target = mono_image_rva_map (patch_info->data.token->image, rva);
1505 case MONO_PATCH_INFO_R4:
1506 case MONO_PATCH_INFO_R8:
1507 target = patch_info->data.target;
1509 case MONO_PATCH_INFO_EXC_NAME:
1510 target = patch_info->data.name;
1512 case MONO_PATCH_INFO_LDSTR:
1514 mono_ldstr (domain, patch_info->data.token->image,
1515 mono_metadata_token_index (patch_info->data.token->token));
1517 case MONO_PATCH_INFO_TYPE_FROM_HANDLE: {
1519 MonoClass *handle_class;
1522 handle = mono_ldtoken_checked (patch_info->data.token->image,
1523 patch_info->data.token->token, &handle_class, patch_info->data.token->has_context ? &patch_info->data.token->context : NULL, &error);
1524 if (!mono_error_ok (&error))
1525 g_error ("Could not patch ldtoken due to %s", mono_error_get_message (&error));
1526 mono_class_init (handle_class);
1527 mono_class_init (mono_class_from_mono_type (handle));
1530 mono_type_get_object (domain, handle);
1533 case MONO_PATCH_INFO_LDTOKEN: {
1535 MonoClass *handle_class;
1538 handle = mono_ldtoken_checked (patch_info->data.token->image,
1539 patch_info->data.token->token, &handle_class, patch_info->data.token->has_context ? &patch_info->data.token->context : NULL, &error);
1540 if (!mono_error_ok (&error))
1541 g_error ("Could not patch ldtoken due to %s", mono_error_get_message (&error));
1542 mono_class_init (handle_class);
1547 case MONO_PATCH_INFO_DECLSEC:
1548 target = (mono_metadata_blob_heap (patch_info->data.token->image, patch_info->data.token->token) + 2);
1550 case MONO_PATCH_INFO_ICALL_ADDR:
1551 /* run_cctors == 0 -> AOT */
1552 if (patch_info->data.method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL) {
1553 const char *exc_class;
1554 const char *exc_arg;
1557 target = mono_lookup_pinvoke_call (patch_info->data.method, &exc_class, &exc_arg);
1560 mono_raise_exception (mono_exception_from_name_msg (mono_defaults.corlib, "System", exc_class, exc_arg));
1561 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));
1567 target = mono_lookup_internal_call (patch_info->data.method);
1569 if (!target && run_cctors)
1570 g_error ("Unregistered icall '%s'\n", mono_method_full_name (patch_info->data.method, TRUE));
1573 case MONO_PATCH_INFO_INTERRUPTION_REQUEST_FLAG:
1574 target = mono_thread_interruption_request_flag ();
1576 case MONO_PATCH_INFO_METHOD_RGCTX: {
1577 MonoVTable *vtable = mono_class_vtable (domain, patch_info->data.method->klass);
1580 target = mono_method_lookup_rgctx (vtable, mini_method_get_context (patch_info->data.method)->method_inst);
1583 case MONO_PATCH_INFO_BB_OVF:
1584 case MONO_PATCH_INFO_EXC_OVF:
1585 case MONO_PATCH_INFO_GOT_OFFSET:
1586 case MONO_PATCH_INFO_NONE:
1588 case MONO_PATCH_INFO_RGCTX_FETCH: {
1589 int slot = mini_get_rgctx_entry_slot (patch_info->data.rgctx_entry);
1591 target = mono_create_rgctx_lazy_fetch_trampoline (slot);
1594 #ifdef MONO_ARCH_SOFT_DEBUG_SUPPORTED
1595 case MONO_PATCH_INFO_SEQ_POINT_INFO:
1597 /* AOT, not needed */
1600 target = mono_arch_get_seq_point_info (domain, code);
1603 case MONO_PATCH_INFO_LLVM_IMT_TRAMPOLINE:
1604 #ifdef MONO_ARCH_LLVM_SUPPORTED
1605 g_assert (mono_use_llvm);
1606 target = mono_create_llvm_imt_trampoline (domain, patch_info->data.imt_tramp->method, patch_info->data.imt_tramp->vt_offset);
1608 g_assert_not_reached ();
1611 case MONO_PATCH_INFO_GC_CARD_TABLE_ADDR: {
1612 int card_table_shift_bits;
1613 gpointer card_table_mask;
1615 target = mono_gc_get_card_table (&card_table_shift_bits, &card_table_mask);
1618 case MONO_PATCH_INFO_GC_NURSERY_START: {
1622 target = mono_gc_get_nursery (&shift_bits, &size);
1625 case MONO_PATCH_INFO_CASTCLASS_CACHE: {
1626 target = mono_domain_alloc0 (domain, sizeof (gpointer));
1629 case MONO_PATCH_INFO_JIT_TLS_ID: {
1630 target = (gpointer) (size_t) mono_jit_tls_id;
1633 case MONO_PATCH_INFO_TLS_OFFSET: {
1636 offset = mini_get_tls_offset (GPOINTER_TO_INT (patch_info->data.target));
1637 #ifdef MONO_ARCH_HAVE_TRANSLATE_TLS_OFFSET
1638 offset = mono_arch_translate_tls_offset (offset);
1640 target = GINT_TO_POINTER (offset);
1643 case MONO_PATCH_INFO_OBJC_SELECTOR_REF: {
1647 case MONO_PATCH_INFO_LDSTR_LIT: {
1651 len = strlen (patch_info->data.target);
1652 s = mono_domain_alloc0 (domain, len + 1);
1653 memcpy (s, patch_info->data.target, len);
1659 g_assert_not_reached ();
1662 return (gpointer)target;
1666 mini_init_gsctx (MonoDomain *domain, MonoMemPool *mp, MonoGenericContext *context, MonoGenericSharingContext *gsctx)
1668 MonoGenericInst *inst;
1671 memset (gsctx, 0, sizeof (MonoGenericSharingContext));
1673 if (context && context->class_inst) {
1674 inst = context->class_inst;
1675 for (i = 0; i < inst->type_argc; ++i) {
1676 MonoType *type = inst->type_argv [i];
1678 if (mini_is_gsharedvt_gparam (type))
1679 gsctx->is_gsharedvt = TRUE;
1682 if (context && context->method_inst) {
1683 inst = context->method_inst;
1685 for (i = 0; i < inst->type_argc; ++i) {
1686 MonoType *type = inst->type_argv [i];
1688 if (mini_is_gsharedvt_gparam (type))
1689 gsctx->is_gsharedvt = TRUE;
1695 * LOCKING: Acquires the jit code hash lock.
1698 mini_lookup_method (MonoDomain *domain, MonoMethod *method, MonoMethod *shared)
1701 static gboolean inited = FALSE;
1702 static int lookups = 0;
1703 static int failed_lookups = 0;
1705 mono_domain_jit_code_hash_lock (domain);
1706 ji = mono_internal_hash_table_lookup (&domain->jit_code_hash, method);
1707 if (!ji && shared) {
1708 /* Try generic sharing */
1709 ji = mono_internal_hash_table_lookup (&domain->jit_code_hash, shared);
1710 if (ji && !ji->has_generic_jit_info)
1713 mono_counters_register ("Shared generic lookups", MONO_COUNTER_INT|MONO_COUNTER_GENERICS, &lookups);
1714 mono_counters_register ("Failed shared generic lookups", MONO_COUNTER_INT|MONO_COUNTER_GENERICS, &failed_lookups);
1722 mono_domain_jit_code_hash_unlock (domain);
1728 lookup_method (MonoDomain *domain, MonoMethod *method)
1733 ji = mini_lookup_method (domain, method, NULL);
1736 if (!mono_method_is_generic_sharable (method, FALSE))
1738 shared = mini_get_shared_method (method);
1739 ji = mini_lookup_method (domain, method, shared);
1746 mono_get_jit_info_from_method (MonoDomain *domain, MonoMethod *method)
1748 return lookup_method (domain, method);
1752 static FILE* perf_map_file;
1755 mono_enable_jit_map (void)
1757 if (!perf_map_file) {
1759 g_snprintf (name, sizeof (name), "/tmp/perf-%d.map", getpid ());
1761 perf_map_file = fopen (name, "w");
1766 mono_emit_jit_tramp (void *start, int size, const char *desc)
1769 fprintf (perf_map_file, "%llx %x %s\n", (long long unsigned int)(gsize)start, size, desc);
1773 mono_emit_jit_map (MonoJitInfo *jinfo)
1775 if (perf_map_file) {
1776 char *name = mono_method_full_name (jinfo_get_method (jinfo), TRUE);
1777 mono_emit_jit_tramp (jinfo->code_start, jinfo->code_size, name);
1783 mono_jit_map_is_enabled (void)
1785 return perf_map_file != NULL;
1791 mono_jit_compile_method_with_opt (MonoMethod *method, guint32 opt, MonoException **ex)
1793 MonoDomain *target_domain, *domain = mono_domain_get ();
1795 gpointer code = NULL, p;
1797 MonoJitICallInfo *callinfo = NULL;
1798 WrapperInfo *winfo = NULL;
1801 * ICALL wrappers are handled specially, since there is only one copy of them
1802 * shared by all appdomains.
1804 if (method->wrapper_type == MONO_WRAPPER_MANAGED_TO_NATIVE)
1805 winfo = mono_marshal_get_wrapper_info (method);
1806 if (winfo && winfo->subtype == WRAPPER_SUBTYPE_ICALL_WRAPPER) {
1807 callinfo = mono_find_jit_icall_by_addr (winfo->d.icall.func);
1808 g_assert (callinfo);
1810 /* Must be domain neutral since there is only one copy */
1811 opt |= MONO_OPT_SHARED;
1814 if (method->dynamic)
1815 opt &= ~MONO_OPT_SHARED;
1817 /* These methods can become invalid when a domain is unloaded */
1818 if (method->klass->image != mono_get_corlib () || method->is_inflated)
1819 opt &= ~MONO_OPT_SHARED;
1821 if (opt & MONO_OPT_SHARED)
1822 target_domain = mono_get_root_domain ();
1824 target_domain = domain;
1826 if (method->wrapper_type == MONO_WRAPPER_UNKNOWN) {
1827 WrapperInfo *info = mono_marshal_get_wrapper_info (method);
1830 if (info->subtype == WRAPPER_SUBTYPE_SYNCHRONIZED_INNER) {
1831 MonoGenericContext *ctx = NULL;
1832 if (method->is_inflated)
1833 ctx = mono_method_get_context (method);
1834 method = info->d.synchronized_inner.method;
1837 method = mono_class_inflate_generic_method_checked (method, ctx, &error);
1838 g_assert (mono_error_ok (&error)); /* FIXME don't swallow the error */
1843 info = lookup_method (target_domain, method);
1845 /* We can't use a domain specific method in another domain */
1846 if (! ((domain != target_domain) && !info->domain_neutral)) {
1848 MonoException *tmpEx;
1850 mono_jit_stats.methods_lookups++;
1851 vtable = mono_class_vtable (domain, method->klass);
1853 tmpEx = mono_runtime_class_init_full (vtable, ex == NULL);
1858 return mono_create_ftnptr (target_domain, info->code_start);
1862 #ifdef MONO_USE_AOT_COMPILER
1863 if (opt & MONO_OPT_AOT) {
1864 MonoDomain *domain = mono_domain_get ();
1866 mono_class_init (method->klass);
1868 if ((code = mono_aot_get_method (domain, method))) {
1871 vtable = mono_class_vtable (domain, method->klass);
1873 mono_runtime_class_init (vtable);
1879 code = mono_jit_compile_method_inner (method, target_domain, opt, ex);
1883 if (method->wrapper_type == MONO_WRAPPER_WRITE_BARRIER || method->wrapper_type == MONO_WRAPPER_ALLOC) {
1887 * SGEN requires the JIT info for these methods to be registered, see is_ip_in_managed_allocator ().
1889 ji = mini_jit_info_table_find (mono_domain_get (), code, &d);
1893 p = mono_create_ftnptr (target_domain, code);
1896 /*mono_register_jit_icall_wrapper takes the loader lock, so we take it on the outside. */
1897 mono_loader_lock ();
1899 if (!callinfo->wrapper) {
1900 callinfo->wrapper = p;
1901 mono_register_jit_icall_wrapper (callinfo, p);
1904 mono_loader_unlock ();
1911 mono_jit_compile_method (MonoMethod *method)
1913 MonoException *ex = NULL;
1916 code = mono_jit_compile_method_with_opt (method, mono_get_optimizations_for_method (method, default_opt), &ex);
1919 mono_raise_exception (ex);
1925 #ifdef MONO_ARCH_HAVE_INVALIDATE_METHOD
1927 invalidated_delegate_trampoline (char *desc)
1929 g_error ("Unmanaged code called delegate of type %s which was already garbage collected.\n"
1930 "See http://www.mono-project.com/Diagnostic:Delegate for an explanation and ways to fix this.",
1936 * mono_jit_free_method:
1938 * Free all memory allocated by the JIT for METHOD.
1941 mono_jit_free_method (MonoDomain *domain, MonoMethod *method)
1943 MonoJitDynamicMethodInfo *ji;
1944 gboolean destroy = TRUE;
1945 GHashTableIter iter;
1946 MonoJumpList *jlist;
1948 g_assert (method->dynamic);
1950 mono_domain_lock (domain);
1951 ji = mono_dynamic_code_hash_lookup (domain, method);
1952 mono_domain_unlock (domain);
1957 mono_debug_remove_method (method, domain);
1959 mono_domain_lock (domain);
1960 g_hash_table_remove (domain_jit_info (domain)->dynamic_code_hash, method);
1961 mono_domain_jit_code_hash_lock (domain);
1962 mono_internal_hash_table_remove (&domain->jit_code_hash, method);
1963 mono_domain_jit_code_hash_unlock (domain);
1964 g_hash_table_remove (domain_jit_info (domain)->jump_trampoline_hash, method);
1966 /* requires the domain lock - took above */
1967 mono_conc_hashtable_remove (domain_jit_info (domain)->runtime_invoke_hash, method);
1969 /* Remove jump targets in this method */
1970 g_hash_table_iter_init (&iter, domain_jit_info (domain)->jump_target_hash);
1971 while (g_hash_table_iter_next (&iter, NULL, (void**)&jlist)) {
1972 GSList *tmp, *remove;
1975 for (tmp = jlist->list; tmp; tmp = tmp->next) {
1976 guint8 *ip = tmp->data;
1978 if (ip >= (guint8*)ji->ji->code_start && ip < (guint8*)ji->ji->code_start + ji->ji->code_size)
1979 remove = g_slist_prepend (remove, tmp);
1981 for (tmp = remove; tmp; tmp = tmp->next) {
1982 jlist->list = g_slist_delete_link (jlist->list, tmp->data);
1984 g_slist_free (remove);
1987 mono_domain_unlock (domain);
1989 #ifdef MONO_ARCH_HAVE_INVALIDATE_METHOD
1990 if (debug_options.keep_delegates && method->wrapper_type == MONO_WRAPPER_NATIVE_TO_MANAGED) {
1992 * Instead of freeing the code, change it to call an error routine
1993 * so people can fix their code.
1995 char *type = mono_type_full_name (&method->klass->byval_arg);
1996 char *type_and_method = g_strdup_printf ("%s.%s", type, method->name);
1999 mono_arch_invalidate_method (ji->ji, invalidated_delegate_trampoline, type_and_method);
2005 * This needs to be done before freeing code_mp, since the code address is the
2006 * key in the table, so if we free the code_mp first, another thread can grab the
2007 * same code address and replace our entry in the table.
2009 mono_jit_info_table_remove (domain, ji->ji);
2012 mono_code_manager_destroy (ji->code_mp);
2017 mono_jit_find_compiled_method_with_jit_info (MonoDomain *domain, MonoMethod *method, MonoJitInfo **ji)
2019 MonoDomain *target_domain;
2022 if (default_opt & MONO_OPT_SHARED)
2023 target_domain = mono_get_root_domain ();
2025 target_domain = domain;
2027 info = lookup_method (target_domain, method);
2029 /* We can't use a domain specific method in another domain */
2030 if (! ((domain != target_domain) && !info->domain_neutral)) {
2031 mono_jit_stats.methods_lookups++;
2034 return info->code_start;
2043 gboolean mono_do_single_method_regression = FALSE;
2044 guint32 mono_single_method_regression_opt = 0;
2045 MonoMethod *mono_current_single_method;
2046 GSList *mono_single_method_list;
2047 GHashTable *mono_single_method_hash;
2050 mono_get_optimizations_for_method (MonoMethod *method, guint32 default_opt)
2054 if (!mono_do_single_method_regression)
2056 if (!mono_current_single_method) {
2057 if (!mono_single_method_hash)
2058 mono_single_method_hash = g_hash_table_new (g_direct_hash, g_direct_equal);
2059 if (!g_hash_table_lookup (mono_single_method_hash, method)) {
2060 g_hash_table_insert (mono_single_method_hash, method, method);
2061 mono_single_method_list = g_slist_prepend (mono_single_method_list, method);
2065 if (method == mono_current_single_method)
2066 return mono_single_method_regression_opt;
2071 mono_jit_find_compiled_method (MonoDomain *domain, MonoMethod *method)
2073 return mono_jit_find_compiled_method_with_jit_info (domain, method, NULL);
2078 gpointer compiled_method;
2079 gpointer runtime_invoke;
2081 MonoDynCallInfo *dyn_call_info;
2082 MonoClass *ret_box_class;
2083 } RuntimeInvokeInfo;
2086 * mono_jit_runtime_invoke:
2087 * @method: the method to invoke
2088 * @obj: this pointer
2089 * @params: array of parameter values.
2090 * @exc: used to catch exceptions objects
2093 mono_jit_runtime_invoke (MonoMethod *method, void *obj, void **params, MonoObject **exc)
2095 MonoMethod *invoke, *callee;
2096 MonoObject *(*runtime_invoke) (MonoObject *this, void **params, MonoObject **exc, void* compiled_method);
2097 MonoDomain *domain = mono_domain_get ();
2098 MonoJitDomainInfo *domain_info;
2099 RuntimeInvokeInfo *info, *info2;
2101 if (obj == NULL && !(method->flags & METHOD_ATTRIBUTE_STATIC) && !method->string_ctor && (method->wrapper_type == 0)) {
2102 g_warning ("Ignoring invocation of an instance method on a NULL instance.\n");
2106 domain_info = domain_jit_info (domain);
2108 info = mono_conc_hashtable_lookup (domain_info->runtime_invoke_hash, method);
2111 if (mono_security_core_clr_enabled ()) {
2113 * This might be redundant since mono_class_vtable () already does this,
2114 * but keep it just in case for moonlight.
2116 mono_class_setup_vtable (method->klass);
2117 if (method->klass->exception_type != MONO_EXCEPTION_NONE) {
2119 *exc = (MonoObject*)mono_class_get_exception_for_failure (method->klass);
2121 mono_raise_exception (mono_class_get_exception_for_failure (method->klass));
2126 info = g_new0 (RuntimeInvokeInfo, 1);
2128 invoke = mono_marshal_get_runtime_invoke (method, FALSE);
2129 info->vtable = mono_class_vtable_full (domain, method->klass, TRUE);
2130 g_assert (info->vtable);
2133 if (method->klass->rank && (method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) &&
2134 (method->iflags & METHOD_IMPL_ATTRIBUTE_NATIVE)) {
2136 * Array Get/Set/Address methods. The JIT implements them using inline code
2137 * inside the runtime invoke wrappers, so no need to compile them.
2139 if (mono_aot_only) {
2141 * Call a wrapper, since the runtime invoke wrapper was not generated.
2143 MonoMethod *wrapper;
2145 wrapper = mono_marshal_get_array_accessor_wrapper (method);
2146 invoke = mono_marshal_get_runtime_invoke (wrapper, FALSE);
2154 MonoException *jit_ex = NULL;
2156 info->compiled_method = mono_jit_compile_method_with_opt (callee, mono_get_optimizations_for_method (callee, default_opt), &jit_ex);
2157 if (!info->compiled_method) {
2161 *exc = (MonoObject*)jit_ex;
2164 mono_raise_exception (jit_ex);
2165 /* coverity[unreachable] */
2169 info->compiled_method = mini_add_method_trampoline (callee, info->compiled_method, mono_method_needs_static_rgctx_invoke (callee, TRUE), FALSE);
2171 info->compiled_method = NULL;
2175 * We want to avoid AOTing 1000s of runtime-invoke wrappers when running
2176 * in full-aot mode, so we use a slower, but more generic wrapper if
2177 * possible, built on top of the OP_DYN_CALL opcode provided by the JIT.
2179 #ifdef MONO_ARCH_DYN_CALL_SUPPORTED
2180 if (mono_aot_only || debug_options.dyn_runtime_invoke) {
2182 MonoMethodSignature *sig = mono_method_signature (method);
2183 gboolean supported = TRUE;
2186 if (method->string_ctor)
2187 sig = mono_marshal_get_string_ctor_signature (method);
2189 for (i = 0; i < sig->param_count; ++i) {
2190 MonoType *t = sig->params [i];
2192 if (t->byref && t->type == MONO_TYPE_GENERICINST && mono_class_is_nullable (mono_class_from_mono_type (t)))
2196 if (mono_class_is_contextbound (method->klass) || !info->compiled_method)
2200 info->dyn_call_info = mono_arch_dyn_call_prepare (sig);
2202 ret_type = sig->ret;
2203 if (info->dyn_call_info) {
2204 switch (ret_type->type) {
2205 case MONO_TYPE_VOID:
2217 case MONO_TYPE_BOOLEAN:
2218 case MONO_TYPE_CHAR:
2221 info->ret_box_class = mono_class_from_mono_type (ret_type);
2224 info->ret_box_class = mono_defaults.int_class;
2226 case MONO_TYPE_STRING:
2227 case MONO_TYPE_CLASS:
2228 case MONO_TYPE_ARRAY:
2229 case MONO_TYPE_SZARRAY:
2230 case MONO_TYPE_OBJECT:
2232 case MONO_TYPE_GENERICINST:
2233 if (!MONO_TYPE_IS_REFERENCE (ret_type))
2234 info->ret_box_class = mono_class_from_mono_type (ret_type);
2236 case MONO_TYPE_VALUETYPE:
2237 info->ret_box_class = mono_class_from_mono_type (ret_type);
2240 g_assert_not_reached ();
2247 if (!info->dyn_call_info)
2248 info->runtime_invoke = mono_jit_compile_method (invoke);
2250 mono_domain_lock (domain);
2251 info2 = mono_conc_hashtable_insert (domain_info->runtime_invoke_hash, method, info);
2252 mono_domain_unlock (domain);
2259 runtime_invoke = info->runtime_invoke;
2262 * We need this here because mono_marshal_get_runtime_invoke can place
2263 * the helper method in System.Object and not the target class.
2266 *exc = (MonoObject*)mono_runtime_class_init_full (info->vtable, FALSE);
2270 mono_runtime_class_init (info->vtable);
2273 /* The wrappers expect this to be initialized to NULL */
2277 #ifdef MONO_ARCH_DYN_CALL_SUPPORTED
2278 if (info->dyn_call_info) {
2279 MonoMethodSignature *sig = mono_method_signature (method);
2281 static RuntimeInvokeDynamicFunction dyn_runtime_invoke;
2284 guint8 retval [256];
2286 if (!dyn_runtime_invoke) {
2287 invoke = mono_marshal_get_runtime_invoke_dynamic ();
2288 dyn_runtime_invoke = mono_jit_compile_method (invoke);
2291 /* Convert the arguments to the format expected by start_dyn_call () */
2292 args = g_alloca ((sig->param_count + sig->hasthis) * sizeof (gpointer));
2295 args [pindex ++] = &obj;
2296 for (i = 0; i < sig->param_count; ++i) {
2297 MonoType *t = sig->params [i];
2300 args [pindex ++] = ¶ms [i];
2301 } else if (MONO_TYPE_IS_REFERENCE (t) || t->type == MONO_TYPE_PTR) {
2302 args [pindex ++] = ¶ms [i];
2304 args [pindex ++] = params [i];
2308 //printf ("M: %s\n", mono_method_full_name (method, TRUE));
2310 mono_arch_start_dyn_call (info->dyn_call_info, (gpointer**)args, retval, buf, sizeof (buf));
2312 dyn_runtime_invoke (buf, exc, info->compiled_method);
2314 mono_arch_finish_dyn_call (info->dyn_call_info, buf);
2316 if (info->ret_box_class)
2317 return mono_value_box (domain, info->ret_box_class, retval);
2319 return *(MonoObject**)retval;
2323 return runtime_invoke (obj, params, exc, info->compiled_method);
2326 MONO_SIG_HANDLER_FUNC (, mono_sigfpe_signal_handler)
2328 MonoException *exc = NULL;
2330 MONO_SIG_HANDLER_INFO_TYPE *info = MONO_SIG_HANDLER_GET_INFO ();
2331 MONO_SIG_HANDLER_GET_CONTEXT;
2333 ji = mono_jit_info_table_find_internal (mono_domain_get (), mono_arch_ip_from_context (ctx), TRUE, TRUE);
2335 #if defined(MONO_ARCH_HAVE_IS_INT_OVERFLOW)
2336 if (mono_arch_is_int_overflow (ctx, info))
2338 * The spec says this throws ArithmeticException, but MS throws the derived
2339 * OverflowException.
2341 exc = mono_get_exception_overflow ();
2343 exc = mono_get_exception_divide_by_zero ();
2345 exc = mono_get_exception_divide_by_zero ();
2349 if (!mono_do_crash_chaining && mono_chain_signal (MONO_SIG_HANDLER_PARAMS))
2352 mono_handle_native_sigsegv (SIGSEGV, ctx, info);
2353 if (mono_do_crash_chaining) {
2354 mono_chain_signal (MONO_SIG_HANDLER_PARAMS);
2359 mono_arch_handle_exception (ctx, exc);
2362 MONO_SIG_HANDLER_FUNC (, mono_sigill_signal_handler)
2365 MONO_SIG_HANDLER_GET_CONTEXT;
2367 exc = mono_get_exception_execution_engine ("SIGILL");
2369 mono_arch_handle_exception (ctx, exc);
2372 #if defined(MONO_ARCH_USE_SIGACTION) || defined(HOST_WIN32)
2373 #define HAVE_SIG_INFO
2376 MONO_SIG_HANDLER_FUNC (, mono_sigsegv_signal_handler)
2379 MonoJitTlsData *jit_tls = mono_native_tls_get_value (mono_jit_tls_id);
2380 gpointer fault_addr = NULL;
2381 #ifdef HAVE_SIG_INFO
2382 MONO_SIG_HANDLER_INFO_TYPE *info = MONO_SIG_HANDLER_GET_INFO ();
2386 MONO_SIG_HANDLER_GET_CONTEXT;
2388 #if defined(MONO_ARCH_SOFT_DEBUG_SUPPORTED) && defined(HAVE_SIG_INFO)
2389 if (mono_arch_is_single_step_event (info, ctx)) {
2390 mono_debugger_agent_single_step_event (ctx);
2392 } else if (mono_arch_is_breakpoint_event (info, ctx)) {
2393 mono_debugger_agent_breakpoint_hit (ctx);
2398 #if defined(HAVE_SIG_INFO)
2399 #if !defined(HOST_WIN32)
2400 fault_addr = info->si_addr;
2401 if (mono_aot_is_pagefault (info->si_addr)) {
2402 mono_aot_handle_pagefault (info->si_addr);
2407 /* The thread might no be registered with the runtime */
2408 if (!mono_domain_get () || !jit_tls) {
2409 if (!mono_do_crash_chaining && mono_chain_signal (MONO_SIG_HANDLER_PARAMS))
2411 mono_handle_native_sigsegv (SIGSEGV, ctx, info);
2412 if (mono_do_crash_chaining) {
2413 mono_chain_signal (MONO_SIG_HANDLER_PARAMS);
2419 ji = mono_jit_info_table_find_internal (mono_domain_get (), mono_arch_ip_from_context (ctx), TRUE, TRUE);
2421 #ifdef MONO_ARCH_SIGSEGV_ON_ALTSTACK
2422 if (mono_handle_soft_stack_ovf (jit_tls, ji, ctx, info, (guint8*)info->si_addr))
2425 #ifdef MONO_ARCH_HAVE_SIGCTX_TO_MONOCTX
2426 /* info->si_addr seems to be NULL on some kernels when handling stack overflows */
2427 fault_addr = info->si_addr;
2428 if (fault_addr == NULL) {
2431 mono_sigctx_to_monoctx (ctx, &mctx);
2433 fault_addr = MONO_CONTEXT_GET_SP (&mctx);
2437 if (jit_tls->stack_size &&
2438 ABS ((guint8*)fault_addr - ((guint8*)jit_tls->end_of_stack - jit_tls->stack_size)) < 8192 * sizeof (gpointer)) {
2440 * The hard-guard page has been hit: there is not much we can do anymore
2441 * Print a hopefully clear message and abort.
2443 mono_handle_hard_stack_ovf (jit_tls, ji, ctx, (guint8*)info->si_addr);
2444 g_assert_not_reached ();
2446 /* The original handler might not like that it is executed on an altstack... */
2447 if (!ji && mono_chain_signal (MONO_SIG_HANDLER_PARAMS))
2450 mono_arch_handle_altstack_exception (ctx, info, info->si_addr, FALSE);
2455 if (!mono_do_crash_chaining && mono_chain_signal (MONO_SIG_HANDLER_PARAMS))
2458 mono_handle_native_sigsegv (SIGSEGV, ctx, info);
2460 if (mono_do_crash_chaining) {
2461 mono_chain_signal (MONO_SIG_HANDLER_PARAMS);
2466 mono_arch_handle_exception (ctx, NULL);
2470 MONO_SIG_HANDLER_FUNC (, mono_sigint_signal_handler)
2473 MONO_SIG_HANDLER_GET_CONTEXT;
2475 exc = mono_get_exception_execution_engine ("Interrupted (SIGINT).");
2477 mono_arch_handle_exception (ctx, exc);
2480 #ifndef DISABLE_REMOTING
2481 /* mono_jit_create_remoting_trampoline:
2482 * @method: pointer to the method info
2484 * Creates a trampoline which calls the remoting functions. This
2485 * is used in the vtable of transparent proxies.
2487 * Returns: a pointer to the newly created code
2490 mono_jit_create_remoting_trampoline (MonoDomain *domain, MonoMethod *method, MonoRemotingTarget target)
2493 guint8 *addr = NULL;
2495 if ((method->flags & METHOD_ATTRIBUTE_VIRTUAL) && mono_method_signature (method)->generic_param_count) {
2496 return mono_create_specific_trampoline (method, MONO_TRAMPOLINE_GENERIC_VIRTUAL_REMOTING,
2500 if ((method->flags & METHOD_ATTRIBUTE_ABSTRACT) ||
2501 (mono_method_signature (method)->hasthis && (mono_class_is_marshalbyref (method->klass) || method->klass == mono_defaults.object_class))) {
2502 nm = mono_marshal_get_remoting_invoke_for_target (method, target);
2503 addr = mono_compile_method (nm);
2506 addr = mono_compile_method (method);
2508 return mono_get_addr_from_ftnptr (addr);
2512 static gpointer *vtable_trampolines;
2513 static int vtable_trampolines_size;
2516 mini_get_vtable_trampoline (int slot_index)
2518 int index = slot_index + MONO_IMT_SIZE;
2520 g_assert (slot_index >= - MONO_IMT_SIZE);
2521 if (!vtable_trampolines || slot_index + MONO_IMT_SIZE >= vtable_trampolines_size) {
2523 if (!vtable_trampolines || index >= vtable_trampolines_size) {
2527 new_size = vtable_trampolines_size ? vtable_trampolines_size * 2 : 128;
2528 while (new_size <= index)
2530 new_table = g_new0 (gpointer, new_size);
2532 if (vtable_trampolines)
2533 memcpy (new_table, vtable_trampolines, vtable_trampolines_size * sizeof (gpointer));
2534 g_free (vtable_trampolines);
2535 mono_memory_barrier ();
2536 vtable_trampolines = new_table;
2537 vtable_trampolines_size = new_size;
2542 if (!vtable_trampolines [index])
2543 vtable_trampolines [index] = mono_create_specific_trampoline (GUINT_TO_POINTER (slot_index), MONO_TRAMPOLINE_VCALL, mono_get_root_domain (), NULL);
2544 return vtable_trampolines [index];
2548 mono_get_delegate_virtual_invoke_impl (MonoMethodSignature *sig, MonoMethod *method)
2550 gboolean is_virtual_generic, is_interface, load_imt_reg;
2553 static guint8 **cache = NULL;
2554 static int cache_size = 0;
2559 if (MONO_TYPE_ISSTRUCT (sig->ret))
2562 is_virtual_generic = method->is_inflated && mono_method_get_declaring_generic_method (method)->is_generic;
2563 is_interface = method->klass->flags & TYPE_ATTRIBUTE_INTERFACE ? TRUE : FALSE;
2564 load_imt_reg = is_virtual_generic || is_interface;
2566 if (is_interface && !is_virtual_generic)
2567 offset = ((gint32)mono_method_get_imt_slot (method) - MONO_IMT_SIZE) * SIZEOF_VOID_P;
2569 offset = G_STRUCT_OFFSET (MonoVTable, vtable) + ((mono_method_get_vtable_index (method)) * (SIZEOF_VOID_P));
2571 idx = (offset / SIZEOF_VOID_P + MONO_IMT_SIZE) * 2 + (load_imt_reg ? 1 : 0);
2572 g_assert (idx >= 0);
2574 /* Resize the cache to idx + 1 */
2575 if (cache_size < idx + 1) {
2577 if (cache_size < idx + 1) {
2579 int new_cache_size = idx + 1;
2581 new_cache = g_new0 (guint8*, new_cache_size);
2583 memcpy (new_cache, cache, cache_size * sizeof (guint8*));
2586 mono_memory_barrier ();
2588 cache_size = new_cache_size;
2596 /* FIXME Support more cases */
2597 if (mono_aot_only) {
2598 char tramp_name [256];
2599 const char *imt = load_imt_reg ? "_imt" : "";
2600 int ind = (load_imt_reg ? (-offset) : offset) / SIZEOF_VOID_P;
2602 sprintf (tramp_name, "delegate_virtual_invoke%s_%d", imt, ind);
2603 cache [idx] = mono_aot_get_trampoline (tramp_name);
2604 g_assert (cache [idx]);
2606 cache [idx] = mono_arch_get_delegate_virtual_invoke_impl (sig, method, offset, load_imt_reg);
2612 mini_get_imt_trampoline (int slot_index)
2614 return mini_get_vtable_trampoline (slot_index - MONO_IMT_SIZE);
2618 mini_parse_debug_options (void)
2620 const char *options = g_getenv ("MONO_DEBUG");
2621 gchar **args, **ptr;
2626 args = g_strsplit (options, ",", -1);
2628 for (ptr = args; ptr && *ptr; ptr++) {
2629 const char *arg = *ptr;
2631 if (!strcmp (arg, "handle-sigint"))
2632 debug_options.handle_sigint = TRUE;
2633 else if (!strcmp (arg, "keep-delegates"))
2634 debug_options.keep_delegates = TRUE;
2635 else if (!strcmp (arg, "reverse-pinvoke-exceptions"))
2636 debug_options.reverse_pinvoke_exceptions = TRUE;
2637 else if (!strcmp (arg, "collect-pagefault-stats"))
2638 debug_options.collect_pagefault_stats = TRUE;
2639 else if (!strcmp (arg, "break-on-unverified"))
2640 debug_options.break_on_unverified = TRUE;
2641 else if (!strcmp (arg, "no-gdb-backtrace"))
2642 debug_options.no_gdb_backtrace = TRUE;
2643 else if (!strcmp (arg, "suspend-on-sigsegv"))
2644 debug_options.suspend_on_sigsegv = TRUE;
2645 else if (!strcmp (arg, "suspend-on-exception"))
2646 debug_options.suspend_on_exception = TRUE;
2647 else if (!strcmp (arg, "suspend-on-unhandled"))
2648 debug_options.suspend_on_unhandled = TRUE;
2649 else if (!strcmp (arg, "dont-free-domains"))
2650 mono_dont_free_domains = TRUE;
2651 else if (!strcmp (arg, "dyn-runtime-invoke"))
2652 debug_options.dyn_runtime_invoke = TRUE;
2653 else if (!strcmp (arg, "gdb"))
2654 debug_options.gdb = TRUE;
2655 else if (!strcmp (arg, "explicit-null-checks"))
2656 debug_options.explicit_null_checks = TRUE;
2657 else if (!strcmp (arg, "gen-seq-points"))
2658 debug_options.gen_sdb_seq_points = TRUE;
2659 else if (!strcmp (arg, "gen-compact-seq-points"))
2660 debug_options.gen_seq_points_compact_data = TRUE;
2661 else if (!strcmp (arg, "single-imm-size"))
2662 debug_options.single_imm_size = TRUE;
2663 else if (!strcmp (arg, "init-stacks"))
2664 debug_options.init_stacks = TRUE;
2665 else if (!strcmp (arg, "casts"))
2666 debug_options.better_cast_details = TRUE;
2667 else if (!strcmp (arg, "soft-breakpoints"))
2668 debug_options.soft_breakpoints = TRUE;
2669 else if (!strcmp (arg, "check-pinvoke-callconv"))
2670 debug_options.check_pinvoke_callconv = TRUE;
2671 else if (!strcmp (arg, "arm-use-fallback-tls"))
2672 debug_options.arm_use_fallback_tls = TRUE;
2673 else if (!strcmp (arg, "debug-domain-unload"))
2674 mono_enable_debug_domain_unload (TRUE);
2675 else if (!strcmp (arg, "partial-sharing"))
2676 mono_set_partial_sharing_supported (TRUE);
2677 else if (!strcmp (arg, "align-small-structs"))
2678 mono_align_small_structs = TRUE;
2680 fprintf (stderr, "Invalid option for the MONO_DEBUG env variable: %s\n", arg);
2681 fprintf (stderr, "Available options: 'handle-sigint', 'keep-delegates', 'reverse-pinvoke-exceptions', 'collect-pagefault-stats', 'break-on-unverified', 'no-gdb-backtrace', 'dont-free-domains', 'suspend-on-sigsegv', 'suspend-on-exception', 'suspend-on-unhandled', 'dyn-runtime-invoke', 'gdb', 'explicit-null-checks', 'init-stacks', 'check-pinvoke-callconv', 'arm-use-fallback-tls', 'debug-domain-unload', 'partial-sharing', 'align-small-structs'\n");
2690 mini_get_debug_options (void)
2692 return &debug_options;
2696 mini_create_ftnptr (MonoDomain *domain, gpointer addr)
2698 #if !defined(__ia64__) && (!defined(__ppc64__) && !defined(__powerpc64__) || _CALL_ELF == 2)
2701 gpointer* desc = NULL;
2703 if ((desc = g_hash_table_lookup (domain->ftnptrs_hash, addr)))
2706 desc = mono_domain_code_reserve (domain, 2 * sizeof (gpointer));
2710 # elif defined(__ppc64__) || defined(__powerpc64__)
2712 desc = mono_domain_alloc0 (domain, 3 * sizeof (gpointer));
2718 g_hash_table_insert (domain->ftnptrs_hash, addr, desc);
2724 mini_get_addr_from_ftnptr (gpointer descr)
2726 #if defined(__ia64__) || ((defined(__ppc64__) || defined(__powerpc64__)) && _CALL_ELF != 2)
2727 return *(gpointer*)descr;
2734 register_jit_stats (void)
2736 mono_counters_register ("Compiled methods", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.methods_compiled);
2737 mono_counters_register ("Methods from AOT", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.methods_aot);
2738 mono_counters_register ("Methods JITted using mono JIT", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.methods_without_llvm);
2739 mono_counters_register ("Methods JITted using LLVM", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.methods_with_llvm);
2740 mono_counters_register ("Total time spent JITting (sec)", MONO_COUNTER_JIT | MONO_COUNTER_DOUBLE, &mono_jit_stats.jit_time);
2741 mono_counters_register ("Basic blocks", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.basic_blocks);
2742 mono_counters_register ("Max basic blocks", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.max_basic_blocks);
2743 mono_counters_register ("Allocated vars", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.allocate_var);
2744 mono_counters_register ("Code reallocs", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.code_reallocs);
2745 mono_counters_register ("Allocated code size", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.allocated_code_size);
2746 mono_counters_register ("Allocated seq points size", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.allocated_seq_points_size);
2747 mono_counters_register ("Inlineable methods", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.inlineable_methods);
2748 mono_counters_register ("Inlined methods", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.inlined_methods);
2749 mono_counters_register ("Regvars", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.regvars);
2750 mono_counters_register ("Locals stack size", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.locals_stack_size);
2751 mono_counters_register ("Method cache lookups", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.methods_lookups);
2752 mono_counters_register ("Compiled CIL code size", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.cil_code_size);
2753 mono_counters_register ("Native code size", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.native_code_size);
2754 mono_counters_register ("Aliases found", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.alias_found);
2755 mono_counters_register ("Aliases eliminated", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.alias_removed);
2756 mono_counters_register ("Aliased loads eliminated", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.loads_eliminated);
2757 mono_counters_register ("Aliased stores eliminated", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.stores_eliminated);
2760 static void runtime_invoke_info_free (gpointer value);
2763 class_method_pair_equal (gconstpointer ka, gconstpointer kb)
2765 const MonoClassMethodPair *apair = ka;
2766 const MonoClassMethodPair *bpair = kb;
2768 return apair->klass == bpair->klass && apair->method == bpair->method ? 1 : 0;
2772 class_method_pair_hash (gconstpointer data)
2774 const MonoClassMethodPair *pair = data;
2776 return (gsize)pair->klass ^ (gsize)pair->method;
2780 mini_create_jit_domain_info (MonoDomain *domain)
2782 MonoJitDomainInfo *info = g_new0 (MonoJitDomainInfo, 1);
2784 info->jump_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
2785 info->jit_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
2786 info->delegate_trampoline_hash = g_hash_table_new (class_method_pair_hash, class_method_pair_equal);
2787 info->llvm_vcall_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
2788 info->runtime_invoke_hash = mono_conc_hashtable_new_full (mono_aligned_addr_hash, NULL, NULL, runtime_invoke_info_free);
2789 info->seq_points = g_hash_table_new_full (mono_aligned_addr_hash, NULL, NULL, mono_seq_point_info_free);
2790 info->arch_seq_points = g_hash_table_new (mono_aligned_addr_hash, NULL);
2791 info->jump_target_hash = g_hash_table_new (NULL, NULL);
2793 domain->runtime_info = info;
2797 delete_jump_list (gpointer key, gpointer value, gpointer user_data)
2799 MonoJumpList *jlist = value;
2800 g_slist_free (jlist->list);
2804 delete_got_slot_list (gpointer key, gpointer value, gpointer user_data)
2806 GSList *list = value;
2807 g_slist_free (list);
2811 dynamic_method_info_free (gpointer key, gpointer value, gpointer user_data)
2813 MonoJitDynamicMethodInfo *di = value;
2814 mono_code_manager_destroy (di->code_mp);
2819 runtime_invoke_info_free (gpointer value)
2821 RuntimeInvokeInfo *info = (RuntimeInvokeInfo*)value;
2823 #ifdef MONO_ARCH_DYN_CALL_SUPPORTED
2824 if (info->dyn_call_info)
2825 mono_arch_dyn_call_free (info->dyn_call_info);
2831 mini_free_jit_domain_info (MonoDomain *domain)
2833 MonoJitDomainInfo *info = domain_jit_info (domain);
2835 g_hash_table_foreach (info->jump_target_hash, delete_jump_list, NULL);
2836 g_hash_table_destroy (info->jump_target_hash);
2837 if (info->jump_target_got_slot_hash) {
2838 g_hash_table_foreach (info->jump_target_got_slot_hash, delete_got_slot_list, NULL);
2839 g_hash_table_destroy (info->jump_target_got_slot_hash);
2841 if (info->dynamic_code_hash) {
2842 g_hash_table_foreach (info->dynamic_code_hash, dynamic_method_info_free, NULL);
2843 g_hash_table_destroy (info->dynamic_code_hash);
2845 if (info->method_code_hash)
2846 g_hash_table_destroy (info->method_code_hash);
2847 g_hash_table_destroy (info->jump_trampoline_hash);
2848 g_hash_table_destroy (info->jit_trampoline_hash);
2849 g_hash_table_destroy (info->delegate_trampoline_hash);
2850 if (info->static_rgctx_trampoline_hash)
2851 g_hash_table_destroy (info->static_rgctx_trampoline_hash);
2852 g_hash_table_destroy (info->llvm_vcall_trampoline_hash);
2853 mono_conc_hashtable_destroy (info->runtime_invoke_hash);
2854 g_hash_table_destroy (info->seq_points);
2855 g_hash_table_destroy (info->arch_seq_points);
2856 if (info->agent_info)
2857 mono_debugger_agent_free_domain_info (domain);
2858 if (info->gsharedvt_arg_tramp_hash)
2859 g_hash_table_destroy (info->gsharedvt_arg_tramp_hash);
2861 mono_llvm_free_domain_info (domain);
2864 g_free (domain->runtime_info);
2865 domain->runtime_info = NULL;
2870 llvm_init_inner (void)
2872 if (!mono_llvm_load (NULL))
2883 * Load and initialize LLVM support.
2884 * Return TRUE on success.
2887 mini_llvm_init (void)
2890 static gboolean llvm_inited;
2891 static gboolean init_result;
2893 mono_loader_lock_if_inited ();
2895 init_result = llvm_init_inner ();
2898 mono_loader_unlock_if_inited ();
2906 mini_init (const char *filename, const char *runtime_version)
2909 MonoRuntimeCallbacks callbacks;
2910 MonoThreadInfoRuntimeCallbacks ticallbacks;
2912 MONO_VES_INIT_BEGIN ();
2914 CHECKED_MONO_INIT ();
2916 #if defined(__linux__) && !defined(__native_client__)
2917 if (access ("/proc/self/maps", F_OK) != 0) {
2918 g_print ("Mono requires /proc to be mounted.\n");
2923 mono_mutex_init_recursive (&jit_mutex);
2925 mono_cross_helpers_run ();
2929 /* Happens when using the embedding interface */
2930 if (!default_opt_set)
2931 default_opt = mono_parse_default_optimizations (NULL);
2933 #ifdef MONO_ARCH_GSHAREDVT_SUPPORTED
2935 mono_set_generic_sharing_vt_supported (TRUE);
2938 #ifdef MONO_HAVE_FAST_TLS
2939 MONO_FAST_TLS_INIT (mono_jit_tls);
2940 MONO_FAST_TLS_INIT (mono_lmf_addr);
2941 #ifdef MONO_ARCH_ENABLE_MONO_LMF_VAR
2942 MONO_FAST_TLS_INIT (mono_lmf);
2946 mono_runtime_set_has_tls_get (MONO_ARCH_HAVE_TLS_GET);
2948 if (!global_codeman)
2949 global_codeman = mono_code_manager_new ();
2951 memset (&callbacks, 0, sizeof (callbacks));
2952 callbacks.create_ftnptr = mini_create_ftnptr;
2953 callbacks.get_addr_from_ftnptr = mini_get_addr_from_ftnptr;
2954 callbacks.get_runtime_build_info = mono_get_runtime_build_info;
2955 callbacks.set_cast_details = mono_set_cast_details;
2956 callbacks.debug_log = mono_debugger_agent_debug_log;
2957 callbacks.debug_log_is_enabled = mono_debugger_agent_debug_log_is_enabled;
2958 callbacks.tls_key_supported = mini_tls_key_supported;
2960 callbacks.get_vtable_trampoline = mini_get_vtable_trampoline;
2961 callbacks.get_imt_trampoline = mini_get_imt_trampoline;
2963 mono_install_callbacks (&callbacks);
2965 memset (&ticallbacks, 0, sizeof (ticallbacks));
2966 ticallbacks.setup_async_callback = mono_setup_async_callback;
2967 ticallbacks.thread_state_init_from_sigctx = mono_thread_state_init_from_sigctx;
2968 ticallbacks.thread_state_init_from_handle = mono_thread_state_init_from_handle;
2969 ticallbacks.thread_state_init = mono_thread_state_init;
2971 mono_counters_init ();
2973 mono_threads_runtime_init (&ticallbacks);
2975 if (g_getenv ("MONO_DEBUG") != NULL)
2976 mini_parse_debug_options ();
2978 mono_code_manager_init ();
2982 mono_arch_cpu_init ();
2986 mono_unwind_init ();
2988 #ifdef XDEBUG_ENABLED
2989 if (g_getenv ("MONO_XDEBUG")) {
2990 const char *xdebug_opts = g_getenv ("MONO_XDEBUG");
2991 mono_xdebug_init (xdebug_opts);
2992 /* So methods for multiple domains don't have the same address */
2993 mono_dont_free_domains = TRUE;
2994 mono_using_xdebug = TRUE;
2995 } else if (mini_get_debug_options ()->gdb) {
2996 mono_xdebug_init ((char*)"gdb");
2997 mono_dont_free_domains = TRUE;
2998 mono_using_xdebug = TRUE;
3003 if (mono_use_llvm) {
3004 if (!mono_llvm_load (NULL)) {
3005 mono_use_llvm = FALSE;
3006 fprintf (stderr, "Mono Warning: llvm support could not be loaded.\n");
3013 mono_trampolines_init ();
3015 mono_native_tls_alloc (&mono_jit_tls_id, NULL);
3017 if (default_opt & MONO_OPT_AOT)
3020 mono_debugger_agent_init ();
3022 #ifdef MONO_ARCH_GSHARED_SUPPORTED
3023 mono_set_generic_sharing_supported (TRUE);
3026 #ifndef MONO_CROSS_COMPILE
3027 mono_runtime_install_handlers ();
3029 mono_threads_install_cleanup (mini_thread_cleanup);
3031 #define JIT_TRAMPOLINES_WORK
3032 #ifdef JIT_TRAMPOLINES_WORK
3033 mono_install_compile_method (mono_jit_compile_method);
3034 mono_install_free_method (mono_jit_free_method);
3035 mono_install_trampoline (mono_create_jit_trampoline);
3036 mono_install_jump_trampoline (mono_create_jump_trampoline);
3037 #ifndef DISABLE_REMOTING
3038 mono_install_remoting_trampoline (mono_jit_create_remoting_trampoline);
3040 mono_install_delegate_trampoline (mono_create_delegate_trampoline);
3041 mono_install_create_domain_hook (mini_create_jit_domain_info);
3042 mono_install_free_domain_hook (mini_free_jit_domain_info);
3044 #define JIT_INVOKE_WORKS
3045 #ifdef JIT_INVOKE_WORKS
3046 mono_install_runtime_invoke (mono_jit_runtime_invoke);
3048 mono_install_get_cached_class_info (mono_aot_get_cached_class_info);
3049 mono_install_get_class_from_name (mono_aot_get_class_from_name);
3050 mono_install_jit_info_find_in_aot (mono_aot_find_jit_info);
3052 if (debug_options.collect_pagefault_stats)
3053 mono_aot_set_make_unreadable (TRUE);
3055 if (runtime_version)
3056 domain = mono_init_version (filename, runtime_version);
3058 domain = mono_init_from_assembly (filename, filename);
3060 if (mono_aot_only) {
3061 /* This helps catch code allocation requests */
3062 mono_code_manager_set_read_only (domain->code_mp);
3063 mono_marshal_use_aot_wrappers (TRUE);
3067 mono_install_imt_thunk_builder (mono_aot_get_imt_thunk);
3069 mono_install_imt_thunk_builder (mono_arch_build_imt_thunk);
3071 /*Init arch tls information only after the metadata side is inited to make sure we see dynamic appdomain tls keys*/
3072 mono_arch_finish_init ();
3076 /* This must come after mono_init () in the aot-only case */
3077 mono_exceptions_init ();
3079 /* This should come after mono_init () too */
3083 mono_create_helper_signatures ();
3086 register_jit_stats ();
3088 #define JIT_CALLS_WORK
3089 #ifdef JIT_CALLS_WORK
3090 /* Needs to be called here since register_jit_icall depends on it */
3091 mono_marshal_init ();
3093 mono_arch_register_lowlevel_calls ();
3097 mono_generic_sharing_init ();
3100 #ifdef MONO_ARCH_SIMD_INTRINSICS
3101 mono_simd_intrinsics_init ();
3104 #if MONO_SUPPORT_TASKLETS
3105 mono_tasklets_init ();
3108 register_trampolines (domain);
3110 if (mono_compile_aot)
3112 * Avoid running managed code when AOT compiling, since the platform
3113 * might only support aot-only execution.
3115 mono_runtime_set_no_exec (TRUE);
3117 #define JIT_RUNTIME_WORKS
3118 #ifdef JIT_RUNTIME_WORKS
3119 mono_install_runtime_cleanup ((MonoDomainFunc)mini_cleanup);
3120 mono_runtime_init (domain, mono_thread_start_cb, mono_thread_attach_cb);
3121 mono_thread_attach (domain);
3124 mono_profiler_runtime_initialized ();
3126 MONO_VES_INIT_END ();
3132 register_icalls (void)
3134 mono_add_internal_call ("System.Diagnostics.StackFrame::get_frame_info",
3135 ves_icall_get_frame_info);
3136 mono_add_internal_call ("System.Diagnostics.StackTrace::get_trace",
3137 ves_icall_get_trace);
3138 mono_add_internal_call ("Mono.Runtime::mono_runtime_install_handlers",
3139 mono_runtime_install_handlers);
3141 #if defined(PLATFORM_ANDROID) || defined(TARGET_ANDROID)
3142 mono_add_internal_call ("System.Diagnostics.Debugger::Mono_UnhandledException_internal",
3143 mono_debugger_agent_unhandled_exception);
3147 * It's important that we pass `TRUE` as the last argument here, as
3148 * it causes the JIT to omit a wrapper for these icalls. If the JIT
3149 * *did* emit a wrapper, we'd be looking at infinite recursion since
3150 * the wrapper would call the icall which would call the wrapper and
3153 register_icall (mono_profiler_method_enter, "mono_profiler_method_enter", "void ptr", TRUE);
3154 register_icall (mono_profiler_method_leave, "mono_profiler_method_leave", "void ptr", TRUE);
3156 register_icall (mono_trace_enter_method, "mono_trace_enter_method", NULL, TRUE);
3157 register_icall (mono_trace_leave_method, "mono_trace_leave_method", NULL, TRUE);
3158 register_icall (mono_get_lmf_addr, "mono_get_lmf_addr", "ptr", TRUE);
3159 register_icall (mono_jit_thread_attach, "mono_jit_thread_attach", "ptr ptr", TRUE);
3160 register_icall (mono_jit_set_domain, "mono_jit_set_domain", "void ptr", TRUE);
3161 register_icall (mono_domain_get, "mono_domain_get", "ptr", TRUE);
3163 register_dyn_icall (mono_get_throw_exception (), "mono_arch_throw_exception", "void object", TRUE);
3164 register_dyn_icall (mono_get_rethrow_exception (), "mono_arch_rethrow_exception", "void object", TRUE);
3165 register_dyn_icall (mono_get_throw_corlib_exception (), "mono_arch_throw_corlib_exception", "void ptr", TRUE);
3166 register_icall (mono_thread_get_undeniable_exception, "mono_thread_get_undeniable_exception", "object", FALSE);
3167 register_icall (mono_thread_interruption_checkpoint, "mono_thread_interruption_checkpoint", "object", FALSE);
3168 register_icall (mono_thread_force_interruption_checkpoint_noraise, "mono_thread_force_interruption_checkpoint_noraise", "object", FALSE);
3169 register_icall (mono_thread_force_interruption_checkpoint, "mono_thread_force_interruption_checkpoint", "void", FALSE);
3170 #ifndef DISABLE_REMOTING
3171 register_icall (mono_load_remote_field_new, "mono_load_remote_field_new", "object object ptr ptr", FALSE);
3172 register_icall (mono_store_remote_field_new, "mono_store_remote_field_new", "void object ptr ptr object", FALSE);
3175 #if defined(__native_client__) || defined(__native_client_codegen__)
3176 register_icall (mono_nacl_gc, "mono_nacl_gc", "void", FALSE);
3178 #if defined(USE_COOP_GC)
3179 register_icall (mono_threads_state_poll, "mono_threads_state_poll", "void", FALSE);
3182 #ifndef MONO_ARCH_NO_EMULATE_LONG_MUL_OPTS
3183 register_opcode_emulation (OP_LMUL, "__emul_lmul", "long long long", mono_llmult, "mono_llmult", TRUE);
3184 register_opcode_emulation (OP_LDIV, "__emul_ldiv", "long long long", mono_lldiv, "mono_lldiv", FALSE);
3185 register_opcode_emulation (OP_LDIV_UN, "__emul_ldiv_un", "long long long", mono_lldiv_un, "mono_lldiv_un", FALSE);
3186 register_opcode_emulation (OP_LREM, "__emul_lrem", "long long long", mono_llrem, "mono_llrem", FALSE);
3187 register_opcode_emulation (OP_LREM_UN, "__emul_lrem_un", "long long long", mono_llrem_un, "mono_llrem_un", FALSE);
3189 #if !defined(MONO_ARCH_NO_EMULATE_LONG_MUL_OPTS) || defined(MONO_ARCH_EMULATE_LONG_MUL_OVF_OPTS)
3190 register_opcode_emulation (OP_LMUL_OVF_UN, "__emul_lmul_ovf_un", "long long long", mono_llmult_ovf_un, "mono_llmult_ovf_un", FALSE);
3191 register_opcode_emulation (OP_LMUL_OVF, "__emul_lmul_ovf", "long long long", mono_llmult_ovf, "mono_llmult_ovf", FALSE);
3194 #ifndef MONO_ARCH_NO_EMULATE_LONG_SHIFT_OPS
3195 register_opcode_emulation (OP_LSHL, "__emul_lshl", "long long int32", mono_lshl, "mono_lshl", TRUE);
3196 register_opcode_emulation (OP_LSHR, "__emul_lshr", "long long int32", mono_lshr, "mono_lshr", TRUE);
3197 register_opcode_emulation (OP_LSHR_UN, "__emul_lshr_un", "long long int32", mono_lshr_un, "mono_lshr_un", TRUE);
3200 #if defined(MONO_ARCH_EMULATE_MUL_DIV) || defined(MONO_ARCH_EMULATE_DIV)
3201 register_opcode_emulation (OP_IDIV, "__emul_op_idiv", "int32 int32 int32", mono_idiv, "mono_idiv", FALSE);
3202 register_opcode_emulation (OP_IDIV_UN, "__emul_op_idiv_un", "int32 int32 int32", mono_idiv_un, "mono_idiv_un", FALSE);
3203 register_opcode_emulation (OP_IREM, "__emul_op_irem", "int32 int32 int32", mono_irem, "mono_irem", FALSE);
3204 register_opcode_emulation (OP_IREM_UN, "__emul_op_irem_un", "int32 int32 int32", mono_irem_un, "mono_irem_un", FALSE);
3207 #ifdef MONO_ARCH_EMULATE_MUL_DIV
3208 register_opcode_emulation (OP_IMUL, "__emul_op_imul", "int32 int32 int32", mono_imul, "mono_imul", TRUE);
3211 #if defined(MONO_ARCH_EMULATE_MUL_DIV) || defined(MONO_ARCH_EMULATE_MUL_OVF)
3212 register_opcode_emulation (OP_IMUL_OVF, "__emul_op_imul_ovf", "int32 int32 int32", mono_imul_ovf, "mono_imul_ovf", FALSE);
3213 register_opcode_emulation (OP_IMUL_OVF_UN, "__emul_op_imul_ovf_un", "int32 int32 int32", mono_imul_ovf_un, "mono_imul_ovf_un", FALSE);
3216 #if defined(MONO_ARCH_EMULATE_MUL_DIV) || defined(MONO_ARCH_SOFT_FLOAT_FALLBACK)
3217 if (ARCH_EMULATE_MUL_DIV || mono_arch_is_soft_float ()) {
3218 register_opcode_emulation (OP_FDIV, "__emul_fdiv", "double double double", mono_fdiv, "mono_fdiv", FALSE);
3222 register_opcode_emulation (OP_FCONV_TO_U8, "__emul_fconv_to_u8", "ulong double", mono_fconv_u8, "mono_fconv_u8", FALSE);
3223 register_opcode_emulation (OP_RCONV_TO_U8, "__emul_rconv_to_u8", "ulong float", mono_rconv_u8, "mono_rconv_u8", FALSE);
3224 register_opcode_emulation (OP_FCONV_TO_U4, "__emul_fconv_to_u4", "uint32 double", mono_fconv_u4, "mono_fconv_u4", FALSE);
3225 register_opcode_emulation (OP_FCONV_TO_OVF_I8, "__emul_fconv_to_ovf_i8", "long double", mono_fconv_ovf_i8, "mono_fconv_ovf_i8", FALSE);
3226 register_opcode_emulation (OP_FCONV_TO_OVF_U8, "__emul_fconv_to_ovf_u8", "ulong double", mono_fconv_ovf_u8, "mono_fconv_ovf_u8", FALSE);
3227 register_opcode_emulation (OP_RCONV_TO_OVF_I8, "__emul_rconv_to_ovf_i8", "long float", mono_rconv_ovf_i8, "mono_rconv_ovf_i8", FALSE);
3228 register_opcode_emulation (OP_RCONV_TO_OVF_U8, "__emul_rconv_to_ovf_u8", "ulong float", mono_rconv_ovf_u8, "mono_rconv_ovf_u8", FALSE);
3231 #ifdef MONO_ARCH_EMULATE_FCONV_TO_I8
3232 register_opcode_emulation (OP_FCONV_TO_I8, "__emul_fconv_to_i8", "long double", mono_fconv_i8, "mono_fconv_i8", FALSE);
3233 register_opcode_emulation (OP_RCONV_TO_I8, "__emul_rconv_to_i8", "long float", mono_rconv_i8, "mono_rconv_i8", FALSE);
3236 #ifdef MONO_ARCH_EMULATE_CONV_R8_UN
3237 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);
3239 #ifdef MONO_ARCH_EMULATE_LCONV_TO_R8
3240 register_opcode_emulation (OP_LCONV_TO_R8, "__emul_lconv_to_r8", "double long", mono_lconv_to_r8, "mono_lconv_to_r8", FALSE);
3242 #ifdef MONO_ARCH_EMULATE_LCONV_TO_R4
3243 register_opcode_emulation (OP_LCONV_TO_R4, "__emul_lconv_to_r4", "float long", mono_lconv_to_r4, "mono_lconv_to_r4", FALSE);
3245 #ifdef MONO_ARCH_EMULATE_LCONV_TO_R8_UN
3246 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);
3248 #ifdef MONO_ARCH_EMULATE_FREM
3249 #if defined(__default_codegen__)
3250 register_opcode_emulation (OP_FREM, "__emul_frem", "double double double", fmod, "fmod", FALSE);
3251 register_opcode_emulation (OP_RREM, "__emul_rrem", "float float float", fmodf, "fmodf", FALSE);
3252 #elif defined(__native_client_codegen__)
3253 register_opcode_emulation (OP_FREM, "__emul_frem", "double double double", mono_fmod, "mono_fmod", FALSE);
3257 #ifdef MONO_ARCH_SOFT_FLOAT_FALLBACK
3258 if (mono_arch_is_soft_float ()) {
3259 register_opcode_emulation (OP_FSUB, "__emul_fsub", "double double double", mono_fsub, "mono_fsub", FALSE);
3260 register_opcode_emulation (OP_FADD, "__emul_fadd", "double double double", mono_fadd, "mono_fadd", FALSE);
3261 register_opcode_emulation (OP_FMUL, "__emul_fmul", "double double double", mono_fmul, "mono_fmul", FALSE);
3262 register_opcode_emulation (OP_FNEG, "__emul_fneg", "double double", mono_fneg, "mono_fneg", FALSE);
3263 register_opcode_emulation (OP_ICONV_TO_R8, "__emul_iconv_to_r8", "double int32", mono_conv_to_r8, "mono_conv_to_r8", FALSE);
3264 register_opcode_emulation (OP_ICONV_TO_R4, "__emul_iconv_to_r4", "double int32", mono_conv_to_r4, "mono_conv_to_r4", FALSE);
3265 register_opcode_emulation (OP_FCONV_TO_R4, "__emul_fconv_to_r4", "double double", mono_fconv_r4, "mono_fconv_r4", FALSE);
3266 register_opcode_emulation (OP_FCONV_TO_I1, "__emul_fconv_to_i1", "int8 double", mono_fconv_i1, "mono_fconv_i1", FALSE);
3267 register_opcode_emulation (OP_FCONV_TO_I2, "__emul_fconv_to_i2", "int16 double", mono_fconv_i2, "mono_fconv_i2", FALSE);
3268 register_opcode_emulation (OP_FCONV_TO_I4, "__emul_fconv_to_i4", "int32 double", mono_fconv_i4, "mono_fconv_i4", FALSE);
3269 register_opcode_emulation (OP_FCONV_TO_U1, "__emul_fconv_to_u1", "uint8 double", mono_fconv_u1, "mono_fconv_u1", FALSE);
3270 register_opcode_emulation (OP_FCONV_TO_U2, "__emul_fconv_to_u2", "uint16 double", mono_fconv_u2, "mono_fconv_u2", FALSE);
3272 #if SIZEOF_VOID_P == 4
3273 register_opcode_emulation (OP_FCONV_TO_I, "__emul_fconv_to_i", "int32 double", mono_fconv_i4, "mono_fconv_i4", FALSE);
3276 register_opcode_emulation (OP_FBEQ, "__emul_fcmp_eq", "uint32 double double", mono_fcmp_eq, "mono_fcmp_eq", FALSE);
3277 register_opcode_emulation (OP_FBLT, "__emul_fcmp_lt", "uint32 double double", mono_fcmp_lt, "mono_fcmp_lt", FALSE);
3278 register_opcode_emulation (OP_FBGT, "__emul_fcmp_gt", "uint32 double double", mono_fcmp_gt, "mono_fcmp_gt", FALSE);
3279 register_opcode_emulation (OP_FBLE, "__emul_fcmp_le", "uint32 double double", mono_fcmp_le, "mono_fcmp_le", FALSE);
3280 register_opcode_emulation (OP_FBGE, "__emul_fcmp_ge", "uint32 double double", mono_fcmp_ge, "mono_fcmp_ge", FALSE);
3281 register_opcode_emulation (OP_FBNE_UN, "__emul_fcmp_ne_un", "uint32 double double", mono_fcmp_ne_un, "mono_fcmp_ne_un", FALSE);
3282 register_opcode_emulation (OP_FBLT_UN, "__emul_fcmp_lt_un", "uint32 double double", mono_fcmp_lt_un, "mono_fcmp_lt_un", FALSE);
3283 register_opcode_emulation (OP_FBGT_UN, "__emul_fcmp_gt_un", "uint32 double double", mono_fcmp_gt_un, "mono_fcmp_gt_un", FALSE);
3284 register_opcode_emulation (OP_FBLE_UN, "__emul_fcmp_le_un", "uint32 double double", mono_fcmp_le_un, "mono_fcmp_le_un", FALSE);
3285 register_opcode_emulation (OP_FBGE_UN, "__emul_fcmp_ge_un", "uint32 double double", mono_fcmp_ge_un, "mono_fcmp_ge_un", FALSE);
3287 register_opcode_emulation (OP_FCEQ, "__emul_fcmp_ceq", "uint32 double double", mono_fceq, "mono_fceq", FALSE);
3288 register_opcode_emulation (OP_FCGT, "__emul_fcmp_cgt", "uint32 double double", mono_fcgt, "mono_fcgt", FALSE);
3289 register_opcode_emulation (OP_FCGT_UN, "__emul_fcmp_cgt_un", "uint32 double double", mono_fcgt_un, "mono_fcgt_un", FALSE);
3290 register_opcode_emulation (OP_FCLT, "__emul_fcmp_clt", "uint32 double double", mono_fclt, "mono_fclt", FALSE);
3291 register_opcode_emulation (OP_FCLT_UN, "__emul_fcmp_clt_un", "uint32 double double", mono_fclt_un, "mono_fclt_un", FALSE);
3293 register_icall (mono_fload_r4, "mono_fload_r4", "double ptr", FALSE);
3294 register_icall (mono_fstore_r4, "mono_fstore_r4", "void double ptr", FALSE);
3295 register_icall (mono_fload_r4_arg, "mono_fload_r4_arg", "uint32 double", FALSE);
3296 register_icall (mono_isfinite, "mono_isfinite", "uint32 double", FALSE);
3300 #ifdef COMPRESSED_INTERFACE_BITMAP
3301 register_icall (mono_class_interface_match, "mono_class_interface_match", "uint32 ptr int32", TRUE);
3304 #if SIZEOF_REGISTER == 4
3305 register_opcode_emulation (OP_FCONV_TO_U, "__emul_fconv_to_u", "uint32 double", mono_fconv_u4, "mono_fconv_u4", TRUE);
3307 register_opcode_emulation (OP_FCONV_TO_U, "__emul_fconv_to_u", "ulong double", mono_fconv_u8, "mono_fconv_u8", TRUE);
3310 /* other jit icalls */
3311 register_icall (mono_delegate_ctor, "mono_delegate_ctor", "void object object ptr", FALSE);
3312 register_icall (mono_class_static_field_address , "mono_class_static_field_address",
3313 "ptr ptr ptr", FALSE);
3314 register_icall (mono_ldtoken_wrapper, "mono_ldtoken_wrapper", "ptr ptr ptr ptr", FALSE);
3315 register_icall (mono_ldtoken_wrapper_generic_shared, "mono_ldtoken_wrapper_generic_shared",
3316 "ptr ptr ptr ptr", FALSE);
3317 register_icall (mono_get_special_static_data, "mono_get_special_static_data", "ptr int", FALSE);
3318 register_icall (mono_ldstr, "mono_ldstr", "object ptr ptr int32", FALSE);
3319 register_icall (mono_helper_stelem_ref_check, "mono_helper_stelem_ref_check", "void object object", FALSE);
3320 register_icall (mono_object_new, "mono_object_new", "object ptr ptr", FALSE);
3321 register_icall (mono_object_new_specific, "mono_object_new_specific", "object ptr", FALSE);
3322 register_icall (mono_array_new, "mono_array_new", "object ptr ptr int32", FALSE);
3323 register_icall (mono_array_new_specific, "mono_array_new_specific", "object ptr int32", FALSE);
3324 register_icall (mono_runtime_class_init, "mono_runtime_class_init", "void ptr", FALSE);
3325 register_icall (mono_ldftn, "mono_ldftn", "ptr ptr", FALSE);
3326 register_icall (mono_ldvirtfn, "mono_ldvirtfn", "ptr object ptr", FALSE);
3327 register_icall (mono_ldvirtfn_gshared, "mono_ldvirtfn_gshared", "ptr object ptr", FALSE);
3328 register_icall (mono_helper_compile_generic_method, "mono_helper_compile_generic_method", "ptr object ptr ptr", FALSE);
3329 register_icall (mono_helper_ldstr, "mono_helper_ldstr", "object ptr int", FALSE);
3330 register_icall (mono_helper_ldstr_mscorlib, "mono_helper_ldstr_mscorlib", "object int", FALSE);
3331 register_icall (mono_helper_newobj_mscorlib, "mono_helper_newobj_mscorlib", "object int", FALSE);
3332 register_icall (mono_value_copy, "mono_value_copy", "void ptr ptr ptr", FALSE);
3333 register_icall (mono_object_castclass_unbox, "mono_object_castclass_unbox", "object object ptr", FALSE);
3334 register_icall (mono_break, "mono_break", NULL, TRUE);
3335 register_icall (mono_create_corlib_exception_0, "mono_create_corlib_exception_0", "object int", TRUE);
3336 register_icall (mono_create_corlib_exception_1, "mono_create_corlib_exception_1", "object int object", TRUE);
3337 register_icall (mono_create_corlib_exception_2, "mono_create_corlib_exception_2", "object int object object", TRUE);
3338 register_icall (mono_array_new_1, "mono_array_new_1", "object ptr int", FALSE);
3339 register_icall (mono_array_new_2, "mono_array_new_2", "object ptr int int", FALSE);
3340 register_icall (mono_array_new_3, "mono_array_new_3", "object ptr int int int", FALSE);
3341 register_icall (mono_array_new_4, "mono_array_new_4", "object ptr int int int int", FALSE);
3342 register_icall (mono_get_native_calli_wrapper, "mono_get_native_calli_wrapper", "ptr ptr ptr ptr", FALSE);
3343 register_icall (mono_resume_unwind, "mono_resume_unwind", "void", TRUE);
3344 register_icall (mono_gsharedvt_constrained_call, "mono_gsharedvt_constrained_call", "object ptr ptr ptr ptr ptr", FALSE);
3345 register_icall (mono_gsharedvt_value_copy, "mono_gsharedvt_value_copy", "void ptr ptr ptr", TRUE);
3347 register_icall (mono_gc_wbarrier_value_copy_bitmap, "mono_gc_wbarrier_value_copy_bitmap", "void ptr ptr int int", FALSE);
3349 register_icall (mono_object_castclass_with_cache, "mono_object_castclass_with_cache", "object object ptr ptr", FALSE);
3350 register_icall (mono_object_isinst_with_cache, "mono_object_isinst_with_cache", "object object ptr ptr", FALSE);
3351 register_icall (mono_generic_class_init, "mono_generic_class_init", "void ptr", FALSE);
3352 register_icall (mono_fill_class_rgctx, "mono_class_fill_rgctx", "ptr ptr int", FALSE);
3353 register_icall (mono_fill_method_rgctx, "mono_method_fill_rgctx", "ptr ptr int", FALSE);
3355 register_icall (mono_debugger_agent_user_break, "mono_debugger_agent_user_break", "void", FALSE);
3358 register_icall (pthread_getspecific, "pthread_getspecific", "ptr ptr", TRUE);
3362 MonoJitStats mono_jit_stats = {0};
3365 print_jit_stats (void)
3367 if (mono_jit_stats.enabled) {
3368 g_print ("Mono Jit statistics\n");
3369 g_print ("Max code size ratio: %.2f (%s)\n", mono_jit_stats.max_code_size_ratio/100.0,
3370 mono_jit_stats.max_ratio_method);
3371 g_print ("Biggest method: %ld (%s)\n", mono_jit_stats.biggest_method_size,
3372 mono_jit_stats.biggest_method);
3374 g_print ("Delegates created: %ld\n", mono_stats.delegate_creations);
3375 g_print ("Initialized classes: %ld\n", mono_stats.initialized_class_count);
3376 g_print ("Used classes: %ld\n", mono_stats.used_class_count);
3377 g_print ("Generic vtables: %ld\n", mono_stats.generic_vtable_count);
3378 g_print ("Methods: %ld\n", mono_stats.method_count);
3379 g_print ("Static data size: %ld\n", mono_stats.class_static_data_size);
3380 g_print ("VTable data size: %ld\n", mono_stats.class_vtable_size);
3381 g_print ("Mscorlib mempool size: %d\n", mono_mempool_get_allocated (mono_defaults.corlib->mempool));
3383 g_print ("\nInitialized classes: %ld\n", mono_stats.generic_class_count);
3384 g_print ("Inflated types: %ld\n", mono_stats.inflated_type_count);
3385 g_print ("Generics virtual invokes: %ld\n", mono_jit_stats.generic_virtual_invocations);
3387 g_print ("Sharable generic methods: %ld\n", mono_stats.generics_sharable_methods);
3388 g_print ("Unsharable generic methods: %ld\n", mono_stats.generics_unsharable_methods);
3389 g_print ("Shared generic methods: %ld\n", mono_stats.generics_shared_methods);
3390 g_print ("Shared vtype generic methods: %ld\n", mono_stats.gsharedvt_methods);
3392 g_print ("IMT tables size: %ld\n", mono_stats.imt_tables_size);
3393 g_print ("IMT number of tables: %ld\n", mono_stats.imt_number_of_tables);
3394 g_print ("IMT number of methods: %ld\n", mono_stats.imt_number_of_methods);
3395 g_print ("IMT used slots: %ld\n", mono_stats.imt_used_slots);
3396 g_print ("IMT colliding slots: %ld\n", mono_stats.imt_slots_with_collisions);
3397 g_print ("IMT max collisions: %ld\n", mono_stats.imt_max_collisions_in_slot);
3398 g_print ("IMT methods at max col: %ld\n", mono_stats.imt_method_count_when_max_collisions);
3399 g_print ("IMT thunks size: %ld\n", mono_stats.imt_thunks_size);
3401 g_print ("JIT info table inserts: %ld\n", mono_stats.jit_info_table_insert_count);
3402 g_print ("JIT info table removes: %ld\n", mono_stats.jit_info_table_remove_count);
3403 g_print ("JIT info table lookups: %ld\n", mono_stats.jit_info_table_lookup_count);
3405 g_free (mono_jit_stats.max_ratio_method);
3406 mono_jit_stats.max_ratio_method = NULL;
3407 g_free (mono_jit_stats.biggest_method);
3408 mono_jit_stats.biggest_method = NULL;
3413 mini_cleanup (MonoDomain *domain)
3415 mono_runtime_shutdown_stat_profiler ();
3418 cominterop_release_all_rcws ();
3421 #ifndef MONO_CROSS_COMPILE
3423 * mono_domain_finalize () needs to be called early since it needs the
3424 * execution engine still fully working (it may invoke managed finalizers).
3426 mono_domain_finalize (domain, 2000);
3429 /* This accesses metadata so needs to be called before runtime shutdown */
3432 mono_profiler_shutdown ();
3434 #ifndef MONO_CROSS_COMPILE
3435 mono_runtime_cleanup (domain);
3438 free_jit_tls_data (mono_native_tls_get_value (mono_jit_tls_id));
3440 mono_icall_cleanup ();
3442 mono_runtime_cleanup_handlers ();
3444 #ifndef MONO_CROSS_COMPILE
3445 mono_domain_free (domain, TRUE);
3446 mono_gc_mutex_cleanup ();
3451 mono_llvm_cleanup ();
3454 mono_aot_cleanup ();
3456 mono_trampolines_cleanup ();
3458 mono_unwind_cleanup ();
3460 mono_code_manager_destroy (global_codeman);
3461 g_free (vtable_trampolines);
3463 mini_jit_cleanup ();
3465 mono_tramp_info_cleanup ();
3467 mono_arch_cleanup ();
3469 mono_generic_sharing_cleanup ();
3473 mono_trace_cleanup ();
3475 mono_counters_dump (MONO_COUNTER_SECTION_MASK | MONO_COUNTER_MONOTONIC, stdout);
3477 if (mono_inject_async_exc_method)
3478 mono_method_desc_free (mono_inject_async_exc_method);
3480 mono_native_tls_free (mono_jit_tls_id);
3482 mono_mutex_destroy (&jit_mutex);
3484 mono_code_manager_cleanup ();
3486 #ifdef USE_JUMP_TABLES
3487 mono_jumptable_cleanup ();
3492 mono_set_defaults (int verbose_level, guint32 opts)
3494 mini_verbose = verbose_level;
3495 mono_set_optimizations (opts);
3499 mono_disable_optimizations (guint32 opts)
3501 default_opt &= ~opts;
3505 mono_set_optimizations (guint32 opts)
3508 default_opt_set = TRUE;
3509 #ifdef MONO_ARCH_GSHAREDVT_SUPPORTED
3510 mono_set_generic_sharing_vt_supported (mono_aot_only || ((default_opt & MONO_OPT_GSHAREDVT) != 0));
3515 mono_set_verbose_level (guint32 level)
3517 mini_verbose = level;
3521 * mono_get_runtime_build_info:
3523 * Return the runtime version + build date in string format.
3524 * The returned string is owned by the caller. The returned string
3525 * format is "VERSION (FULL_VERSION BUILD_DATE)" and build date is optional.
3528 mono_get_runtime_build_info (void)
3530 if (mono_build_date)
3531 return g_strdup_printf ("%s (%s %s)", VERSION, FULL_VERSION, mono_build_date);
3533 return g_strdup_printf ("%s (%s)", VERSION, FULL_VERSION);
3537 mono_precompile_assembly (MonoAssembly *ass, void *user_data)
3539 GHashTable *assemblies = (GHashTable*)user_data;
3540 MonoImage *image = mono_assembly_get_image (ass);
3541 MonoMethod *method, *invoke;
3544 if (g_hash_table_lookup (assemblies, ass))
3547 g_hash_table_insert (assemblies, ass, ass);
3549 if (mini_verbose > 0)
3550 printf ("PRECOMPILE: %s.\n", mono_image_get_filename (image));
3552 for (i = 0; i < mono_image_get_table_rows (image, MONO_TABLE_METHOD); ++i) {
3553 method = mono_get_method (image, MONO_TOKEN_METHOD_DEF | (i + 1), NULL);
3554 if (method->flags & METHOD_ATTRIBUTE_ABSTRACT)
3556 if (method->is_generic || method->klass->generic_container)
3560 if (mini_verbose > 1) {
3561 char * desc = mono_method_full_name (method, TRUE);
3562 g_print ("Compiling %d %s\n", count, desc);
3565 mono_compile_method (method);
3566 if (strcmp (method->name, "Finalize") == 0) {
3567 invoke = mono_marshal_get_runtime_invoke (method, FALSE);
3568 mono_compile_method (invoke);
3570 #ifndef DISABLE_REMOTING
3571 if (mono_class_is_marshalbyref (method->klass) && mono_method_signature (method)->hasthis) {
3572 invoke = mono_marshal_get_remoting_invoke_with_check (method);
3573 mono_compile_method (invoke);
3578 /* Load and precompile referenced assemblies as well */
3579 for (i = 0; i < mono_image_get_table_rows (image, MONO_TABLE_ASSEMBLYREF); ++i) {
3580 mono_assembly_load_reference (image, i);
3581 if (image->references [i])
3582 mono_precompile_assembly (image->references [i], assemblies);
3586 void mono_precompile_assemblies ()
3588 GHashTable *assemblies = g_hash_table_new (NULL, NULL);
3590 mono_assembly_foreach ((GFunc)mono_precompile_assembly, assemblies);
3592 g_hash_table_destroy (assemblies);
3597 * Have to export this for AOT.
3600 mono_personality (void)
3603 g_assert_not_reached ();
3606 #ifdef USE_JUMP_TABLES
3607 #define DEFAULT_JUMPTABLE_CHUNK_ELEMENTS 128
3609 typedef struct MonoJumpTableChunk {
3612 struct MonoJumpTableChunk *previous;
3613 /* gpointer entries[total]; */
3614 } MonoJumpTableChunk;
3616 static MonoJumpTableChunk* g_jumptable;
3617 #define mono_jumptable_lock() mono_mutex_lock (&jumptable_mutex)
3618 #define mono_jumptable_unlock() mono_mutex_unlock (&jumptable_mutex)
3619 static mono_mutex_t jumptable_mutex;
3621 static MonoJumpTableChunk*
3622 mono_create_jumptable_chunk (guint32 max_entries)
3624 guint32 size = sizeof (MonoJumpTableChunk) + max_entries * sizeof(gpointer);
3625 MonoJumpTableChunk *chunk = (MonoJumpTableChunk*) g_new0 (guchar, size);
3626 chunk->total = max_entries;
3631 mono_jumptable_init (void)
3633 if (g_jumptable == NULL) {
3634 mono_mutex_init_recursive (&jumptable_mutex);
3635 g_jumptable = mono_create_jumptable_chunk (DEFAULT_JUMPTABLE_CHUNK_ELEMENTS);
3640 mono_jumptable_add_entry (void)
3642 return mono_jumptable_add_entries (1);
3646 mono_jumptable_add_entries (guint32 entries)
3651 mono_jumptable_init ();
3652 mono_jumptable_lock ();
3653 index = g_jumptable->active;
3654 if (index + entries >= g_jumptable->total) {
3656 * Grow jumptable, by adding one more chunk.
3657 * We cannot realloc jumptable, as there could be pointers
3658 * to existing jump table entries in the code, so instead
3659 * we just add one more chunk.
3661 guint32 max_entries = entries;
3662 MonoJumpTableChunk *new_chunk;
3664 if (max_entries < DEFAULT_JUMPTABLE_CHUNK_ELEMENTS)
3665 max_entries = DEFAULT_JUMPTABLE_CHUNK_ELEMENTS;
3666 new_chunk = mono_create_jumptable_chunk (max_entries);
3667 /* Link old jumptable, so that we could free it up later. */
3668 new_chunk->previous = g_jumptable;
3669 g_jumptable = new_chunk;
3672 g_jumptable->active = index + entries;
3673 result = (gpointer*)((guchar*)g_jumptable + sizeof(MonoJumpTableChunk)) + index;
3674 mono_jumptable_unlock();
3680 mono_jumptable_cleanup (void)
3683 MonoJumpTableChunk *current = g_jumptable, *prev;
3684 while (current != NULL) {
3685 prev = current->previous;
3690 mono_mutex_destroy (&jumptable_mutex);
3695 mono_jumptable_get_entry (guint8 *code_ptr)
3697 return mono_arch_jumptable_entry_from_code (code_ptr);