2 * mini-runtime.c: Runtime code for the JIT
5 * Paolo Molaro (lupus@ximian.com)
6 * Dietmar Maurer (dietmar@ximian.com)
8 * Copyright 2002-2003 Ximian, Inc.
9 * Copyright 2003-2010 Novell, Inc.
10 * Copyright 2011-2015 Xamarin, Inc (http://www.xamarin.com)
21 #ifdef HAVE_SYS_TIME_H
28 #include <mono/utils/memcheck.h>
30 #include <mono/metadata/assembly.h>
31 #include <mono/metadata/loader.h>
32 #include <mono/metadata/tabledefs.h>
33 #include <mono/metadata/class.h>
34 #include <mono/metadata/object.h>
35 #include <mono/metadata/tokentype.h>
36 #include <mono/metadata/tabledefs.h>
37 #include <mono/metadata/threads.h>
38 #include <mono/metadata/appdomain.h>
39 #include <mono/metadata/debug-helpers.h>
40 #include "mono/metadata/profiler.h"
41 #include <mono/metadata/profiler-private.h>
42 #include <mono/metadata/mono-config.h>
43 #include <mono/metadata/environment.h>
44 #include <mono/metadata/mono-debug.h>
45 #include <mono/metadata/gc-internal.h>
46 #include <mono/metadata/threads-types.h>
47 #include <mono/metadata/mempool-internals.h>
48 #include <mono/metadata/attach.h>
49 #include <mono/metadata/runtime.h>
50 #include <mono/utils/mono-math.h>
51 #include <mono/utils/mono-compiler.h>
52 #include <mono/utils/mono-counters.h>
53 #include <mono/utils/mono-error-internals.h>
54 #include <mono/utils/mono-logger-internal.h>
55 #include <mono/utils/mono-mmap.h>
56 #include <mono/utils/mono-path.h>
57 #include <mono/utils/mono-tls.h>
58 #include <mono/utils/mono-hwcap.h>
59 #include <mono/utils/dtrace.h>
60 #include <mono/utils/mono-signal-handler.h>
61 #include <mono/utils/mono-threads.h>
62 #include <mono/io-layer/io-layer.h>
65 #include "seq-points.h"
72 #include "jit-icalls.h"
75 #include "debugger-agent.h"
77 static guint32 default_opt = 0;
78 static gboolean default_opt_set = FALSE;
80 MonoNativeTlsKey mono_jit_tls_id;
82 #ifdef MONO_HAVE_FAST_TLS
83 MONO_FAST_TLS_DECLARE(mono_jit_tls);
86 gboolean mono_compile_aot = FALSE;
87 /* If this is set, no code is generated dynamically, everything is taken from AOT files */
88 gboolean mono_aot_only = FALSE;
89 MonoAotMode mono_aot_mode = MONO_AOT_MODE_NONE;
91 const char *mono_build_date;
92 gboolean mono_do_signal_chaining;
93 gboolean mono_do_crash_chaining;
97 * This flag controls whenever the runtime uses LLVM for JIT compilation, and whenever
98 * it can load AOT code compiled by LLVM.
100 gboolean mono_use_llvm = FALSE;
102 #define mono_jit_lock() mono_mutex_lock (&jit_mutex)
103 #define mono_jit_unlock() mono_mutex_unlock (&jit_mutex)
104 static mono_mutex_t jit_mutex;
106 static MonoCodeManager *global_codeman;
108 MonoDebugOptions debug_options;
110 #ifdef VALGRIND_JIT_REGISTER_MAP
111 int valgrind_register;
114 static GSList *tramp_infos;
116 static void register_icalls (void);
119 mono_running_on_valgrind (void)
121 if (RUNNING_ON_VALGRIND){
122 #ifdef VALGRIND_JIT_REGISTER_MAP
123 valgrind_register = TRUE;
136 find_tramp (gpointer key, gpointer value, gpointer user_data)
138 FindTrampUserData *ud = (FindTrampUserData*)user_data;
141 ud->method = (MonoMethod*)key;
145 G_GNUC_UNUSED static char*
146 get_method_from_ip (void *ip)
151 MonoDomain *domain = mono_domain_get ();
152 MonoDebugSourceLocation *location;
153 FindTrampUserData user_data;
156 domain = mono_get_root_domain ();
158 ji = mono_jit_info_table_find (domain, ip);
161 user_data.method = NULL;
162 mono_domain_lock (domain);
163 g_hash_table_foreach (domain_jit_info (domain)->jit_trampoline_hash, find_tramp, &user_data);
164 mono_domain_unlock (domain);
165 if (user_data.method) {
166 char *mname = mono_method_full_name (user_data.method, TRUE);
167 res = g_strdup_printf ("<%p - JIT trampoline for %s>", ip, mname);
174 method = mono_method_full_name (jinfo_get_method (ji), TRUE);
175 /* FIXME: unused ? */
176 location = mono_debug_lookup_source_location (jinfo_get_method (ji), (guint32)((guint8*)ip - (guint8*)ji->code_start), domain);
178 res = g_strdup_printf (" %s + 0x%x (%p %p) [%p - %s]", method, (int)((char*)ip - (char*)ji->code_start), ji->code_start, (char*)ji->code_start + ji->code_size, domain, domain->friendly_name);
180 mono_debug_free_source_location (location);
188 * @ip: an instruction pointer address
190 * This method is used from a debugger to get the name of the
191 * method at address @ip. This routine is typically invoked from
192 * a debugger like this:
194 * (gdb) print mono_pmip ($pc)
196 * Returns: the name of the method at address @ip.
201 return get_method_from_ip (ip);
205 * mono_print_method_from_ip
206 * @ip: an instruction pointer address
208 * This method is used from a debugger to get the name of the
209 * method at address @ip.
211 * This prints the name of the method at address @ip in the standard
212 * output. Unlike mono_pmip which returns a string, this routine
213 * prints the value on the standard output.
216 /* Prevent the linker from optimizing this away in embedding setups to help debugging */
217 __attribute__((used))
220 mono_print_method_from_ip (void *ip)
224 MonoDebugSourceLocation *source;
225 MonoDomain *domain = mono_domain_get ();
226 MonoDomain *target_domain = mono_domain_get ();
227 FindTrampUserData user_data;
228 MonoGenericSharingContext*gsctx;
229 const char *shared_type;
231 ji = mini_jit_info_table_find_ext (domain, ip, TRUE, &target_domain);
232 if (ji && ji->is_trampoline) {
233 MonoTrampInfo *tinfo = ji->d.tramp_info;
235 printf ("IP %p is at offset 0x%x of trampoline '%s'.\n", ip, (int)((guint8*)ip - tinfo->code), tinfo->name);
241 user_data.method = NULL;
242 mono_domain_lock (domain);
243 g_hash_table_foreach (domain_jit_info (domain)->jit_trampoline_hash, find_tramp, &user_data);
244 mono_domain_unlock (domain);
246 if (user_data.method) {
247 char *mname = mono_method_full_name (user_data.method, TRUE);
248 printf ("IP %p is a JIT trampoline for %s\n", ip, mname);
253 g_print ("No method at %p\n", ip);
257 method = mono_method_full_name (jinfo_get_method (ji), TRUE);
258 source = mono_debug_lookup_source_location (jinfo_get_method (ji), (guint32)((guint8*)ip - (guint8*)ji->code_start), target_domain);
260 gsctx = mono_jit_info_get_generic_sharing_context (ji);
263 if (gsctx->is_gsharedvt)
264 shared_type = "gsharedvt ";
266 shared_type = "gshared ";
269 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);
272 g_print ("%s:%d\n", source->source_file, source->row);
275 mono_debug_free_source_location (source);
280 * mono_method_same_domain:
282 * Determine whenever two compiled methods are in the same domain, thus
283 * the address of the callee can be embedded in the caller.
285 gboolean mono_method_same_domain (MonoJitInfo *caller, MonoJitInfo *callee)
289 if (!caller || !callee)
293 * If the call was made from domain-neutral to domain-specific
294 * code, we can't patch the call site.
296 if (caller->domain_neutral && !callee->domain_neutral)
299 cmethod = jinfo_get_method (caller);
300 if ((cmethod->klass == mono_defaults.appdomain_class) &&
301 (strstr (cmethod->name, "InvokeInDomain"))) {
302 /* The InvokeInDomain methods change the current appdomain */
310 * mono_global_codeman_reserve:
312 * Allocate code memory from the global code manager.
314 void *mono_global_codeman_reserve (int size)
319 g_error ("Attempting to allocate from the global code manager while running with --aot-only.\n");
321 if (!global_codeman) {
322 /* This can happen during startup */
323 global_codeman = mono_code_manager_new ();
324 return mono_code_manager_reserve (global_codeman, size);
328 ptr = mono_code_manager_reserve (global_codeman, size);
334 #if defined(__native_client_codegen__) && defined(__native_client__)
338 #ifdef __native_client_gc__
339 __nacl_suspend_thread_if_needed();
343 /* Given the temporary buffer (allocated by mono_global_codeman_reserve) into
344 * which we are generating code, return a pointer to the destination in the
345 * dynamic code segment into which the code will be copied when
346 * mono_global_codeman_commit is called.
347 * LOCKING: Acquires the jit lock.
350 nacl_global_codeman_get_dest (void *data)
354 dest = nacl_code_manager_get_code_dest (global_codeman, data);
360 mono_global_codeman_commit (void *data, int size, int newsize)
363 mono_code_manager_commit (global_codeman, data, size, newsize);
368 * Convenience function which calls mono_global_codeman_commit to validate and
369 * copy the code. The caller sets *buf_base and *buf_size to the start and size
370 * of the buffer (allocated by mono_global_codeman_reserve), and *code_end to
371 * the byte after the last instruction byte. On return, *buf_base will point to
372 * the start of the copied in the code segment, and *code_end will point after
373 * the end of the copied code.
376 nacl_global_codeman_validate (guint8 **buf_base, int buf_size, guint8 **code_end)
378 guint8 *tmp = nacl_global_codeman_get_dest (*buf_base);
379 mono_global_codeman_commit (*buf_base, buf_size, *code_end - *buf_base);
380 *code_end = tmp + (*code_end - *buf_base);
384 /* no-op versions of Native Client functions */
386 nacl_global_codeman_get_dest (void *data)
392 mono_global_codeman_commit (void *data, int size, int newsize)
397 nacl_global_codeman_validate (guint8 **buf_base, int buf_size, guint8 **code_end)
401 #endif /* __native_client__ */
404 * mono_create_unwind_op:
406 * Create an unwind op with the given parameters.
409 mono_create_unwind_op (int when, int tag, int reg, int val)
411 MonoUnwindOp *op = g_new0 (MonoUnwindOp, 1);
422 mono_jump_info_token_new2 (MonoMemPool *mp, MonoImage *image, guint32 token, MonoGenericContext *context)
424 MonoJumpInfoToken *res = mono_mempool_alloc0 (mp, sizeof (MonoJumpInfoToken));
427 res->has_context = context != NULL;
429 memcpy (&res->context, context, sizeof (MonoGenericContext));
435 mono_jump_info_token_new (MonoMemPool *mp, MonoImage *image, guint32 token)
437 return mono_jump_info_token_new2 (mp, image, token, NULL);
441 * mono_tramp_info_create:
443 * Create a MonoTrampInfo structure from the arguments. This function assumes ownership
444 * of JI, and UNWIND_OPS.
447 mono_tramp_info_create (const char *name, guint8 *code, guint32 code_size, MonoJumpInfo *ji, GSList *unwind_ops)
449 MonoTrampInfo *info = g_new0 (MonoTrampInfo, 1);
451 info->name = g_strdup ((char*)name);
453 info->code_size = code_size;
455 info->unwind_ops = unwind_ops;
461 mono_tramp_info_free (MonoTrampInfo *info)
468 for (l = info->unwind_ops; l; l = l->next)
470 g_slist_free (info->unwind_ops);
475 register_trampoline_jit_info (MonoDomain *domain, MonoTrampInfo *info)
479 ji = mono_domain_alloc0 (domain, mono_jit_info_size (0, 0, 0));
480 mono_jit_info_init (ji, NULL, info->code, info->code_size, 0, 0, 0);
481 ji->d.tramp_info = info;
482 ji->is_trampoline = TRUE;
483 // FIXME: Unwind info
485 mono_jit_info_table_add (domain, ji);
489 * mono_tramp_info_register:
491 * Remember INFO for use by xdebug, mono_print_method_from_ip (), jit maps, etc.
496 mono_tramp_info_register (MonoTrampInfo *info)
503 copy = g_new0 (MonoTrampInfo, 1);
504 copy->code = info->code;
505 copy->code_size = info->code_size;
506 copy->name = g_strdup (info->name);
509 tramp_infos = g_slist_prepend (tramp_infos, copy);
512 mono_save_trampoline_xdebug_info (info);
514 if (mono_get_root_domain ())
515 register_trampoline_jit_info (mono_get_root_domain (), copy);
517 if (mono_jit_map_is_enabled ())
518 mono_emit_jit_tramp (info->code, info->code_size, info->name);
520 mono_tramp_info_free (info);
524 mono_tramp_info_cleanup (void)
528 for (l = tramp_infos; l; l = l->next) {
529 MonoTrampInfo *info = l->data;
531 mono_tramp_info_free (info);
533 g_slist_free (tramp_infos);
536 /* Register trampolines created before the root domain was created in the jit info tables */
538 register_trampolines (MonoDomain *domain)
542 for (l = tramp_infos; l; l = l->next) {
543 MonoTrampInfo *info = l->data;
545 register_trampoline_jit_info (domain, info);
549 G_GNUC_UNUSED static void
555 * Runtime debugging tool, use if (debug_count ()) <x> else <y> to do <x> the first COUNT times, then do <y> afterwards.
556 * Set a breakpoint in break_count () to break the last time <x> is done.
558 G_GNUC_UNUSED gboolean
559 mono_debug_count (void)
561 static int count = 0;
562 static gboolean inited;
563 static const char *value;
568 value = g_getenv ("COUNT");
575 if (count == atoi (value))
578 if (count > atoi (value))
585 mono_icall_get_wrapper_full (MonoJitICallInfo* callinfo, gboolean do_compile)
589 gconstpointer trampoline;
590 MonoDomain *domain = mono_get_root_domain ();
591 gboolean check_exc = check_for_pending_exc;
593 if (callinfo->wrapper) {
594 return callinfo->wrapper;
597 if (callinfo->trampoline)
598 return callinfo->trampoline;
601 * We use the lock on the root domain instead of the JIT lock to protect
602 * callinfo->trampoline, since we do a lot of stuff inside the critical section.
604 mono_loader_lock (); /*FIXME mono_compile_method requires the loader lock, by large.*/
605 mono_domain_lock (domain);
607 if (callinfo->trampoline) {
608 mono_domain_unlock (domain);
609 mono_loader_unlock ();
610 return callinfo->trampoline;
613 if (!strcmp (callinfo->name, "mono_thread_interruption_checkpoint"))
614 /* This icall is used to check for exceptions, so don't check in the wrapper */
617 name = g_strdup_printf ("__icall_wrapper_%s", callinfo->name);
618 wrapper = mono_marshal_get_icall_wrapper (callinfo->sig, name, callinfo->func, check_exc);
622 trampoline = mono_compile_method (wrapper);
624 trampoline = mono_create_ftnptr (domain, mono_create_jit_trampoline_in_domain (domain, wrapper));
625 mono_register_jit_icall_wrapper (callinfo, trampoline);
627 callinfo->trampoline = trampoline;
629 mono_domain_unlock (domain);
630 mono_loader_unlock ();
632 return callinfo->trampoline;
636 mono_icall_get_wrapper (MonoJitICallInfo* callinfo)
638 return mono_icall_get_wrapper_full (callinfo, FALSE);
641 static MonoJitDynamicMethodInfo*
642 mono_dynamic_code_hash_lookup (MonoDomain *domain, MonoMethod *method)
644 MonoJitDynamicMethodInfo *res;
646 if (domain_jit_info (domain)->dynamic_code_hash)
647 res = g_hash_table_lookup (domain_jit_info (domain)->dynamic_code_hash, method);
654 register_opcode_emulation (int opcode, const char *name, const char *sigstr, gpointer func, const char *symbol, gboolean no_throw)
656 return mini_register_opcode_emulation (opcode, name, sigstr, func, symbol, no_throw);
660 * For JIT icalls implemented in C.
661 * NAME should be the same as the name of the C function whose address is FUNC.
662 * If @avoid_wrapper is TRUE, no wrapper is generated. This is for perf critical icalls which
663 * can't throw exceptions.
666 register_icall (gpointer func, const char *name, const char *sigstr, gboolean avoid_wrapper)
668 MonoMethodSignature *sig;
671 sig = mono_create_icall_signature (sigstr);
675 mono_register_jit_icall_full (func, name, sig, avoid_wrapper, FALSE, avoid_wrapper ? name : NULL);
679 register_dyn_icall (gpointer func, const char *name, const char *sigstr, gboolean save)
681 MonoMethodSignature *sig;
684 sig = mono_create_icall_signature (sigstr);
688 mono_register_jit_icall (func, name, sig, save);
691 #ifdef MONO_HAVE_FAST_TLS
692 MONO_FAST_TLS_DECLARE(mono_lmf_addr);
693 #ifdef MONO_ARCH_ENABLE_MONO_LMF_VAR
695 * When this is defined, the current lmf is stored in this tls variable instead of in
698 MONO_FAST_TLS_DECLARE(mono_lmf);
703 mono_get_jit_tls_offset (void)
709 offset = mono_jit_tls_id;
711 /* FIXME: Happens during startup */
714 MONO_THREAD_VAR_OFFSET (mono_jit_tls, offset);
720 mono_get_lmf_tls_offset (void)
722 #if defined(MONO_ARCH_ENABLE_MONO_LMF_VAR)
724 MONO_THREAD_VAR_OFFSET(mono_lmf,offset);
732 mono_get_lmf_addr_tls_offset (void)
735 MONO_THREAD_VAR_OFFSET(mono_lmf_addr,offset);
742 #if defined(MONO_HAVE_FAST_TLS) && defined(MONO_ARCH_ENABLE_MONO_LMF_VAR)
743 return MONO_FAST_TLS_GET (mono_lmf);
745 MonoJitTlsData *jit_tls;
747 if ((jit_tls = mono_native_tls_get_value (mono_jit_tls_id)))
750 * We do not assert here because this function can be called from
751 * mini-gc.c on a thread that has not executed any managed code, yet
752 * (the thread object allocation can trigger a collection).
759 mono_get_lmf_addr (void)
761 #ifdef MONO_HAVE_FAST_TLS
762 return MONO_FAST_TLS_GET (mono_lmf_addr);
764 MonoJitTlsData *jit_tls;
766 jit_tls = mono_native_tls_get_value (mono_jit_tls_id);
767 if (G_LIKELY (jit_tls))
768 return &jit_tls->lmf;
771 * When resolving the call to mono_jit_thread_attach full-aot will look
772 * in the plt, which causes a call into the generic trampoline, which in turn
773 * tries to resolve the lmf_addr creating a cyclic dependency. We cannot
774 * call mono_jit_thread_attach from the native-to-managed wrapper, without
775 * mono_get_lmf_addr, and mono_get_lmf_addr requires the thread to be attached.
778 mono_jit_thread_attach (NULL);
780 if ((jit_tls = mono_native_tls_get_value (mono_jit_tls_id)))
781 return &jit_tls->lmf;
783 g_assert_not_reached ();
789 mono_set_lmf (MonoLMF *lmf)
791 #if defined(MONO_HAVE_FAST_TLS) && defined(MONO_ARCH_ENABLE_MONO_LMF_VAR)
792 MONO_FAST_TLS_SET (mono_lmf, lmf);
795 (*mono_get_lmf_addr ()) = lmf;
799 mono_get_jit_tls (void)
801 return mono_native_tls_get_value (mono_jit_tls_id);
805 mono_set_jit_tls (MonoJitTlsData *jit_tls)
807 MonoThreadInfo *info;
809 mono_native_tls_set_value (mono_jit_tls_id, jit_tls);
811 #ifdef MONO_HAVE_FAST_TLS
812 MONO_FAST_TLS_SET (mono_jit_tls, jit_tls);
815 /* Save it into MonoThreadInfo so it can be accessed by mono_thread_state_init_from_handle () */
816 info = mono_thread_info_current ();
818 mono_thread_info_tls_set (info, TLS_KEY_JIT_TLS, jit_tls);
822 mono_set_lmf_addr (gpointer lmf_addr)
824 MonoThreadInfo *info;
826 #ifdef MONO_HAVE_FAST_TLS
827 MONO_FAST_TLS_SET (mono_lmf_addr, lmf_addr);
830 /* Save it into MonoThreadInfo so it can be accessed by mono_thread_state_init_from_handle () */
831 info = mono_thread_info_current ();
833 mono_thread_info_tls_set (info, TLS_KEY_LMF_ADDR, lmf_addr);
837 * mono_jit_thread_attach:
839 * Called by native->managed wrappers. Returns the original domain which needs to be
843 mono_jit_thread_attach (MonoDomain *domain)
849 * Happens when called from AOTed code which is only used in the root
852 domain = mono_get_root_domain ();
854 #ifdef MONO_HAVE_FAST_TLS
855 if (!MONO_FAST_TLS_GET (mono_lmf_addr)) {
856 mono_thread_attach (domain);
858 mono_thread_set_state (mono_thread_internal_current (), ThreadState_Background);
861 if (!mono_native_tls_get_value (mono_jit_tls_id)) {
862 mono_thread_attach (domain);
863 mono_thread_set_state (mono_thread_internal_current (), ThreadState_Background);
866 orig = mono_domain_get ();
868 mono_domain_set (domain, TRUE);
870 return orig != domain ? orig : NULL;
873 /* Called by native->managed wrappers */
875 mono_jit_set_domain (MonoDomain *domain)
878 mono_domain_set (domain, TRUE);
883 * @obj: exception object
885 * abort the thread, print exception information and stack trace
888 mono_thread_abort (MonoObject *obj)
890 /* MonoJitTlsData *jit_tls = mono_native_tls_get_value (mono_jit_tls_id); */
892 /* handle_remove should be eventually called for this thread, too
895 if ((mono_runtime_unhandled_exception_policy_get () == MONO_UNHANDLED_POLICY_LEGACY) ||
896 (obj->vtable->klass == mono_defaults.threadabortexception_class)) {
899 mono_invoke_unhandled_exception_hook (obj);
904 setup_jit_tls_data (gpointer stack_start, gpointer abort_func)
906 MonoJitTlsData *jit_tls;
909 jit_tls = mono_native_tls_get_value (mono_jit_tls_id);
913 jit_tls = g_new0 (MonoJitTlsData, 1);
915 jit_tls->abort_func = abort_func;
916 jit_tls->end_of_stack = stack_start;
918 mono_set_jit_tls (jit_tls);
920 lmf = g_new0 (MonoLMF, 1);
921 MONO_ARCH_INIT_TOP_LMF_ENTRY (lmf);
923 jit_tls->first_lmf = lmf;
925 #if defined(MONO_HAVE_FAST_TLS) && defined(MONO_ARCH_ENABLE_MONO_LMF_VAR)
926 /* jit_tls->lmf is unused */
927 MONO_FAST_TLS_SET (mono_lmf, lmf);
928 mono_set_lmf_addr (MONO_FAST_TLS_ADDR (mono_lmf));
930 mono_set_lmf_addr (&jit_tls->lmf);
935 #ifdef MONO_ARCH_HAVE_TLS_INIT
936 mono_arch_tls_init ();
939 mono_setup_altstack (jit_tls);
945 free_jit_tls_data (MonoJitTlsData *jit_tls)
947 mono_arch_free_jit_tls_data (jit_tls);
948 mono_free_altstack (jit_tls);
950 g_free (jit_tls->first_lmf);
955 mono_thread_start_cb (intptr_t tid, gpointer stack_start, gpointer func)
957 MonoThreadInfo *thread;
958 void *jit_tls = setup_jit_tls_data (stack_start, mono_thread_abort);
959 thread = mono_thread_info_current_unchecked ();
961 thread->jit_data = jit_tls;
963 mono_arch_cpu_init ();
966 void (*mono_thread_attach_aborted_cb ) (MonoObject *obj) = NULL;
969 mono_thread_abort_dummy (MonoObject *obj)
971 if (mono_thread_attach_aborted_cb)
972 mono_thread_attach_aborted_cb (obj);
974 mono_thread_abort (obj);
978 mono_thread_attach_cb (intptr_t tid, gpointer stack_start)
980 MonoThreadInfo *thread;
981 void *jit_tls = setup_jit_tls_data (stack_start, mono_thread_abort_dummy);
982 thread = mono_thread_info_current_unchecked ();
984 thread->jit_data = jit_tls;
985 if (mono_profiler_get_events () & MONO_PROFILE_STATISTICAL)
986 mono_runtime_setup_stat_profiler ();
988 mono_arch_cpu_init ();
992 mini_thread_cleanup (MonoNativeThreadId tid)
994 MonoJitTlsData *jit_tls = NULL;
995 MonoThreadInfo *info;
997 info = mono_thread_info_current_unchecked ();
999 /* We can't clean up tls information if we are on another thread, it will clean up the wrong stuff
1000 * It would be nice to issue a warning when this happens outside of the shutdown sequence. but it's
1001 * not a trivial thing.
1003 * The current offender is mono_thread_manage which cleanup threads from the outside.
1005 if (info && mono_thread_info_get_tid (info) == tid) {
1006 jit_tls = info->jit_data;
1007 info->jit_data = NULL;
1009 mono_set_jit_tls (NULL);
1011 /* If we attach a thread but never call into managed land, we might never get an lmf.*/
1012 if (mono_get_lmf ()) {
1013 mono_set_lmf (NULL);
1014 mono_set_lmf_addr (NULL);
1017 info = mono_thread_info_lookup (tid);
1019 jit_tls = info->jit_data;
1020 info->jit_data = NULL;
1022 mono_hazard_pointer_clear (mono_hazard_pointer_get (), 1);
1026 free_jit_tls_data (jit_tls);
1030 mini_get_tls_offset (MonoTlsKey key)
1035 case TLS_KEY_THREAD:
1036 offset = mono_thread_get_tls_offset ();
1038 case TLS_KEY_JIT_TLS:
1039 offset = mono_get_jit_tls_offset ();
1041 case TLS_KEY_DOMAIN:
1042 offset = mono_domain_get_tls_offset ();
1045 offset = mono_get_lmf_tls_offset ();
1047 case TLS_KEY_LMF_ADDR:
1048 offset = mono_get_lmf_addr_tls_offset ();
1051 offset = mono_tls_key_get_offset (key);
1052 g_assert (offset != -1);
1060 mini_tls_key_supported (MonoTlsKey key)
1062 if (!MONO_ARCH_HAVE_TLS_GET)
1065 return mini_get_tls_offset (key) != -1;
1069 mono_patch_info_list_prepend (MonoJumpInfo *list, int ip, MonoJumpInfoType type, gconstpointer target)
1071 MonoJumpInfo *ji = g_new0 (MonoJumpInfo, 1);
1075 ji->data.target = target;
1082 * mono_patch_info_dup_mp:
1084 * Make a copy of PATCH_INFO, allocating memory from the mempool MP.
1087 mono_patch_info_dup_mp (MonoMemPool *mp, MonoJumpInfo *patch_info)
1089 MonoJumpInfo *res = mono_mempool_alloc (mp, sizeof (MonoJumpInfo));
1090 memcpy (res, patch_info, sizeof (MonoJumpInfo));
1092 switch (patch_info->type) {
1093 case MONO_PATCH_INFO_RVA:
1094 case MONO_PATCH_INFO_LDSTR:
1095 case MONO_PATCH_INFO_TYPE_FROM_HANDLE:
1096 case MONO_PATCH_INFO_LDTOKEN:
1097 case MONO_PATCH_INFO_DECLSEC:
1098 res->data.token = mono_mempool_alloc (mp, sizeof (MonoJumpInfoToken));
1099 memcpy (res->data.token, patch_info->data.token, sizeof (MonoJumpInfoToken));
1101 case MONO_PATCH_INFO_SWITCH:
1102 res->data.table = mono_mempool_alloc (mp, sizeof (MonoJumpInfoBBTable));
1103 memcpy (res->data.table, patch_info->data.table, sizeof (MonoJumpInfoBBTable));
1104 res->data.table->table = mono_mempool_alloc (mp, sizeof (MonoBasicBlock*) * patch_info->data.table->table_size);
1105 memcpy (res->data.table->table, patch_info->data.table->table, sizeof (MonoBasicBlock*) * patch_info->data.table->table_size);
1107 case MONO_PATCH_INFO_RGCTX_FETCH:
1108 res->data.rgctx_entry = mono_mempool_alloc (mp, sizeof (MonoJumpInfoRgctxEntry));
1109 memcpy (res->data.rgctx_entry, patch_info->data.rgctx_entry, sizeof (MonoJumpInfoRgctxEntry));
1110 res->data.rgctx_entry->data = mono_patch_info_dup_mp (mp, res->data.rgctx_entry->data);
1112 case MONO_PATCH_INFO_DELEGATE_TRAMPOLINE:
1113 res->data.del_tramp = mono_mempool_alloc0 (mp, sizeof (MonoDelegateClassMethodPair));
1114 memcpy (res->data.del_tramp, patch_info->data.del_tramp, sizeof (MonoDelegateClassMethodPair));
1116 case MONO_PATCH_INFO_GSHAREDVT_CALL:
1117 res->data.gsharedvt = mono_mempool_alloc (mp, sizeof (MonoJumpInfoGSharedVtCall));
1118 memcpy (res->data.gsharedvt, patch_info->data.gsharedvt, sizeof (MonoJumpInfoGSharedVtCall));
1120 case MONO_PATCH_INFO_GSHAREDVT_METHOD: {
1121 MonoGSharedVtMethodInfo *info;
1122 MonoGSharedVtMethodInfo *oinfo;
1125 oinfo = patch_info->data.gsharedvt_method;
1126 info = mono_mempool_alloc (mp, sizeof (MonoGSharedVtMethodInfo));
1127 res->data.gsharedvt_method = info;
1128 memcpy (info, oinfo, sizeof (MonoGSharedVtMethodInfo));
1129 info->entries = mono_mempool_alloc (mp, sizeof (MonoRuntimeGenericContextInfoTemplate) * info->count_entries);
1130 for (i = 0; i < oinfo->num_entries; ++i) {
1131 MonoRuntimeGenericContextInfoTemplate *otemplate = &oinfo->entries [i];
1132 MonoRuntimeGenericContextInfoTemplate *template = &info->entries [i];
1134 memcpy (template, otemplate, sizeof (MonoRuntimeGenericContextInfoTemplate));
1136 //info->locals_types = mono_mempool_alloc0 (mp, info->nlocals * sizeof (MonoType*));
1137 //memcpy (info->locals_types, oinfo->locals_types, info->nlocals * sizeof (MonoType*));
1140 case MONO_PATCH_INFO_VIRT_METHOD: {
1141 MonoJumpInfoVirtMethod *info;
1142 MonoJumpInfoVirtMethod *oinfo;
1144 oinfo = patch_info->data.virt_method;
1145 info = mono_mempool_alloc0 (mp, sizeof (MonoJumpInfoVirtMethod));
1146 res->data.virt_method = info;
1147 memcpy (info, oinfo, sizeof (MonoJumpInfoVirtMethod));
1158 mono_patch_info_hash (gconstpointer data)
1160 const MonoJumpInfo *ji = (MonoJumpInfo*)data;
1163 case MONO_PATCH_INFO_RVA:
1164 case MONO_PATCH_INFO_LDSTR:
1165 case MONO_PATCH_INFO_LDTOKEN:
1166 case MONO_PATCH_INFO_DECLSEC:
1167 return (ji->type << 8) | ji->data.token->token;
1168 case MONO_PATCH_INFO_TYPE_FROM_HANDLE:
1169 return (ji->type << 8) | ji->data.token->token | (ji->data.token->has_context ? (gsize)ji->data.token->context.class_inst : 0);
1170 case MONO_PATCH_INFO_INTERNAL_METHOD:
1171 return (ji->type << 8) | g_str_hash (ji->data.name);
1172 case MONO_PATCH_INFO_VTABLE:
1173 case MONO_PATCH_INFO_CLASS:
1174 case MONO_PATCH_INFO_IID:
1175 case MONO_PATCH_INFO_ADJUSTED_IID:
1176 case MONO_PATCH_INFO_CLASS_INIT:
1177 case MONO_PATCH_INFO_METHODCONST:
1178 case MONO_PATCH_INFO_METHOD:
1179 case MONO_PATCH_INFO_METHOD_JUMP:
1180 case MONO_PATCH_INFO_IMAGE:
1181 case MONO_PATCH_INFO_ICALL_ADDR:
1182 case MONO_PATCH_INFO_FIELD:
1183 case MONO_PATCH_INFO_SFLDA:
1184 case MONO_PATCH_INFO_SEQ_POINT_INFO:
1185 case MONO_PATCH_INFO_METHOD_RGCTX:
1186 case MONO_PATCH_INFO_SIGNATURE:
1187 case MONO_PATCH_INFO_TLS_OFFSET:
1188 case MONO_PATCH_INFO_METHOD_CODE_SLOT:
1189 return (ji->type << 8) | (gssize)ji->data.target;
1190 case MONO_PATCH_INFO_GSHAREDVT_CALL:
1191 return (ji->type << 8) | (gssize)ji->data.gsharedvt->method;
1192 case MONO_PATCH_INFO_RGCTX_FETCH: {
1193 MonoJumpInfoRgctxEntry *e = ji->data.rgctx_entry;
1195 return (ji->type << 8) | (gssize)e->method | (e->in_mrgctx) | e->info_type | mono_patch_info_hash (e->data);
1197 case MONO_PATCH_INFO_INTERRUPTION_REQUEST_FLAG:
1198 case MONO_PATCH_INFO_MSCORLIB_GOT_ADDR:
1199 case MONO_PATCH_INFO_GC_CARD_TABLE_ADDR:
1200 case MONO_PATCH_INFO_GC_NURSERY_START:
1201 case MONO_PATCH_INFO_JIT_TLS_ID:
1202 case MONO_PATCH_INFO_MONITOR_ENTER:
1203 case MONO_PATCH_INFO_MONITOR_ENTER_V4:
1204 case MONO_PATCH_INFO_MONITOR_EXIT:
1205 case MONO_PATCH_INFO_GOT_OFFSET:
1206 case MONO_PATCH_INFO_GC_SAFE_POINT_FLAG:
1207 return (ji->type << 8);
1208 case MONO_PATCH_INFO_CASTCLASS_CACHE:
1209 return (ji->type << 8) | (ji->data.index);
1210 case MONO_PATCH_INFO_SWITCH:
1211 return (ji->type << 8) | ji->data.table->table_size;
1212 case MONO_PATCH_INFO_GSHAREDVT_METHOD:
1213 return (ji->type << 8) | (gssize)ji->data.gsharedvt_method->method;
1214 case MONO_PATCH_INFO_OBJC_SELECTOR_REF:
1215 /* Hash on the selector name */
1216 return g_str_hash (ji->data.target);
1217 case MONO_PATCH_INFO_DELEGATE_TRAMPOLINE:
1218 return (ji->type << 8) | (gsize)ji->data.del_tramp->klass | (gsize)ji->data.del_tramp->method | (gsize)ji->data.del_tramp->virtual;
1219 case MONO_PATCH_INFO_LDSTR_LIT:
1220 return g_str_hash (ji->data.target);
1221 case MONO_PATCH_INFO_VIRT_METHOD: {
1222 MonoJumpInfoVirtMethod *info = ji->data.virt_method;
1224 return (ji->type << 8) | (gssize)info->klass | (gssize)info->method;
1226 case MONO_PATCH_INFO_JIT_ICALL_ADDR:
1227 return (ji->type << 8) | g_str_hash (ji->data.target);
1229 printf ("info type: %d\n", ji->type);
1230 mono_print_ji (ji); printf ("\n");
1231 g_assert_not_reached ();
1237 * mono_patch_info_equal:
1239 * This might fail to recognize equivalent patches, i.e. floats, so its only
1240 * usable in those cases where this is not a problem, i.e. sharing GOT slots
1244 mono_patch_info_equal (gconstpointer ka, gconstpointer kb)
1246 const MonoJumpInfo *ji1 = (MonoJumpInfo*)ka;
1247 const MonoJumpInfo *ji2 = (MonoJumpInfo*)kb;
1249 if (ji1->type != ji2->type)
1252 switch (ji1->type) {
1253 case MONO_PATCH_INFO_RVA:
1254 case MONO_PATCH_INFO_LDSTR:
1255 case MONO_PATCH_INFO_TYPE_FROM_HANDLE:
1256 case MONO_PATCH_INFO_LDTOKEN:
1257 case MONO_PATCH_INFO_DECLSEC:
1258 if ((ji1->data.token->image != ji2->data.token->image) ||
1259 (ji1->data.token->token != ji2->data.token->token) ||
1260 (ji1->data.token->has_context != ji2->data.token->has_context) ||
1261 (ji1->data.token->context.class_inst != ji2->data.token->context.class_inst) ||
1262 (ji1->data.token->context.method_inst != ji2->data.token->context.method_inst))
1265 case MONO_PATCH_INFO_INTERNAL_METHOD:
1266 return g_str_equal (ji1->data.name, ji2->data.name);
1267 case MONO_PATCH_INFO_RGCTX_FETCH: {
1268 MonoJumpInfoRgctxEntry *e1 = ji1->data.rgctx_entry;
1269 MonoJumpInfoRgctxEntry *e2 = ji2->data.rgctx_entry;
1271 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);
1273 case MONO_PATCH_INFO_GSHAREDVT_CALL: {
1274 MonoJumpInfoGSharedVtCall *c1 = ji1->data.gsharedvt;
1275 MonoJumpInfoGSharedVtCall *c2 = ji2->data.gsharedvt;
1277 return c1->sig == c2->sig && c1->method == c2->method;
1279 case MONO_PATCH_INFO_GSHAREDVT_METHOD:
1280 return ji1->data.gsharedvt_method->method == ji2->data.gsharedvt_method->method;
1281 case MONO_PATCH_INFO_DELEGATE_TRAMPOLINE:
1282 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;
1283 case MONO_PATCH_INFO_CASTCLASS_CACHE:
1284 return ji1->data.index == ji2->data.index;
1285 case MONO_PATCH_INFO_VIRT_METHOD:
1286 return ji1->data.virt_method->klass == ji2->data.virt_method->klass && ji1->data.virt_method->method == ji2->data.virt_method->method;
1287 case MONO_PATCH_INFO_JIT_ICALL_ADDR:
1288 if (ji1->data.target == ji2->data.target)
1290 return strcmp (ji1->data.target, ji2->data.target) == 0 ? 1 : 0;
1292 if (ji1->data.target != ji2->data.target)
1301 mono_resolve_patch_target (MonoMethod *method, MonoDomain *domain, guint8 *code, MonoJumpInfo *patch_info, gboolean run_cctors)
1303 unsigned char *ip = patch_info->ip.i + code;
1304 gconstpointer target = NULL;
1306 switch (patch_info->type) {
1307 case MONO_PATCH_INFO_BB:
1309 * FIXME: This could be hit for methods without a prolog. Should use -1
1310 * but too much code depends on a 0 initial value.
1312 //g_assert (patch_info->data.bb->native_offset);
1313 target = patch_info->data.bb->native_offset + code;
1315 case MONO_PATCH_INFO_ABS:
1316 target = patch_info->data.target;
1318 case MONO_PATCH_INFO_LABEL:
1319 target = patch_info->data.inst->inst_c0 + code;
1321 case MONO_PATCH_INFO_IP:
1322 #if defined(__native_client__) && defined(__native_client_codegen__)
1323 /* Need to transform to the destination address, it's */
1324 /* emitted as an immediate in the code. */
1325 target = nacl_inverse_modify_patch_target(ip);
1330 case MONO_PATCH_INFO_METHOD_REL:
1331 target = code + patch_info->data.offset;
1333 case MONO_PATCH_INFO_INTERNAL_METHOD: {
1334 MonoJitICallInfo *mi = mono_find_jit_icall_by_name (patch_info->data.name);
1336 g_warning ("unknown MONO_PATCH_INFO_INTERNAL_METHOD %s", patch_info->data.name);
1337 g_assert_not_reached ();
1339 target = mono_icall_get_wrapper (mi);
1342 case MONO_PATCH_INFO_JIT_ICALL_ADDR: {
1343 MonoJitICallInfo *mi = mono_find_jit_icall_by_name (patch_info->data.name);
1345 g_warning ("unknown MONO_PATCH_INFO_JIT_ICALL_ADDR %s", patch_info->data.name);
1346 g_assert_not_reached ();
1351 case MONO_PATCH_INFO_METHOD_JUMP:
1352 target = mono_create_jump_trampoline (domain, patch_info->data.method, FALSE);
1353 #if defined(__native_client__) && defined(__native_client_codegen__)
1354 # if defined(TARGET_AMD64)
1355 /* This target is an absolute address, not relative to the */
1356 /* current code being emitted on AMD64. */
1357 target = nacl_inverse_modify_patch_target(target);
1361 case MONO_PATCH_INFO_METHOD:
1362 #if defined(__native_client_codegen__) && defined(USE_JUMP_TABLES)
1364 * If we use jumptables, for recursive calls we cannot
1365 * avoid trampoline, as we not yet know where we will
1368 target = mono_create_jit_trampoline_in_domain (domain, patch_info->data.method);
1370 if (patch_info->data.method == method) {
1373 /* get the trampoline to the method from the domain */
1374 target = mono_create_jit_trampoline_in_domain (domain, patch_info->data.method);
1378 case MONO_PATCH_INFO_METHOD_CODE_SLOT: {
1381 mono_domain_lock (domain);
1382 if (!domain_jit_info (domain)->method_code_hash)
1383 domain_jit_info (domain)->method_code_hash = g_hash_table_new (NULL, NULL);
1384 code_slot = g_hash_table_lookup (domain_jit_info (domain)->method_code_hash, patch_info->data.method);
1386 code_slot = mono_domain_alloc0 (domain, sizeof (gpointer));
1387 g_hash_table_insert (domain_jit_info (domain)->method_code_hash, patch_info->data.method, code_slot);
1389 mono_domain_unlock (domain);
1393 case MONO_PATCH_INFO_GC_SAFE_POINT_FLAG:
1394 #if defined(__native_client_codegen__)
1395 target = (gpointer)&__nacl_thread_suspension_needed;
1396 #elif defined (USE_COOP_GC)
1397 target = (gpointer)&mono_polling_required;
1399 g_error ("Unsuported patch target");
1402 case MONO_PATCH_INFO_SWITCH: {
1403 gpointer *jump_table;
1405 #if defined(__native_client__) && defined(__native_client_codegen__)
1406 /* This memory will leak, but we don't care if we're */
1407 /* not deleting JIT'd methods anyway */
1408 jump_table = g_malloc0 (sizeof(gpointer) * patch_info->data.table->table_size);
1410 if (method && method->dynamic) {
1411 jump_table = mono_code_manager_reserve (mono_dynamic_code_hash_lookup (domain, method)->code_mp, sizeof (gpointer) * patch_info->data.table->table_size);
1413 if (mono_aot_only) {
1414 jump_table = mono_domain_alloc (domain, sizeof (gpointer) * patch_info->data.table->table_size);
1416 jump_table = mono_domain_code_reserve (domain, sizeof (gpointer) * patch_info->data.table->table_size);
1421 for (i = 0; i < patch_info->data.table->table_size; i++) {
1422 #if defined(__native_client__) && defined(__native_client_codegen__)
1423 /* 'code' is relative to the current code blob, we */
1424 /* need to do this transform on it to make the */
1425 /* pointers in this table absolute */
1426 jump_table [i] = nacl_inverse_modify_patch_target (code) + GPOINTER_TO_INT (patch_info->data.table->table [i]);
1428 jump_table [i] = code + GPOINTER_TO_INT (patch_info->data.table->table [i]);
1432 #if defined(__native_client__) && defined(__native_client_codegen__)
1433 /* jump_table is in the data section, we need to transform */
1434 /* it here so when it gets modified in amd64_patch it will */
1435 /* then point back to the absolute data address */
1436 target = nacl_inverse_modify_patch_target (jump_table);
1438 target = jump_table;
1442 case MONO_PATCH_INFO_METHODCONST:
1443 case MONO_PATCH_INFO_CLASS:
1444 case MONO_PATCH_INFO_IMAGE:
1445 case MONO_PATCH_INFO_FIELD:
1446 case MONO_PATCH_INFO_SIGNATURE:
1447 target = patch_info->data.target;
1449 case MONO_PATCH_INFO_IID:
1450 mono_class_init (patch_info->data.klass);
1451 target = GINT_TO_POINTER ((int)patch_info->data.klass->interface_id);
1453 case MONO_PATCH_INFO_ADJUSTED_IID:
1454 mono_class_init (patch_info->data.klass);
1455 target = GINT_TO_POINTER ((int)(-((patch_info->data.klass->interface_id + 1) * SIZEOF_VOID_P)));
1457 case MONO_PATCH_INFO_VTABLE:
1458 target = mono_class_vtable (domain, patch_info->data.klass);
1461 case MONO_PATCH_INFO_CLASS_INIT: {
1462 MonoVTable *vtable = mono_class_vtable (domain, patch_info->data.klass);
1465 target = mono_create_class_init_trampoline (vtable);
1468 case MONO_PATCH_INFO_DELEGATE_TRAMPOLINE: {
1469 MonoDelegateClassMethodPair *del_tramp = patch_info->data.del_tramp;
1471 if (del_tramp->virtual)
1472 target = mono_create_delegate_virtual_trampoline (domain, del_tramp->klass, del_tramp->method);
1474 target = mono_create_delegate_trampoline_info (domain, del_tramp->klass, del_tramp->method);
1477 case MONO_PATCH_INFO_SFLDA: {
1478 MonoVTable *vtable = mono_class_vtable (domain, patch_info->data.field->parent);
1480 if (mono_class_field_is_special_static (patch_info->data.field)) {
1481 gpointer addr = NULL;
1483 mono_domain_lock (domain);
1484 if (domain->special_static_fields)
1485 addr = g_hash_table_lookup (domain->special_static_fields, patch_info->data.field);
1486 mono_domain_unlock (domain);
1492 if (!vtable->initialized && !(vtable->klass->flags & TYPE_ATTRIBUTE_BEFORE_FIELD_INIT) && (method && mono_class_needs_cctor_run (vtable->klass, method)))
1493 /* Done by the generated code */
1497 mono_runtime_class_init (vtable);
1499 target = (char*)mono_vtable_get_static_field_data (vtable) + patch_info->data.field->offset;
1502 case MONO_PATCH_INFO_RVA: {
1503 guint32 field_index = mono_metadata_token_index (patch_info->data.token->token);
1506 mono_metadata_field_info (patch_info->data.token->image, field_index - 1, NULL, &rva, NULL);
1507 target = mono_image_rva_map (patch_info->data.token->image, rva);
1510 case MONO_PATCH_INFO_R4:
1511 case MONO_PATCH_INFO_R8:
1512 target = patch_info->data.target;
1514 case MONO_PATCH_INFO_EXC_NAME:
1515 target = patch_info->data.name;
1517 case MONO_PATCH_INFO_LDSTR:
1519 mono_ldstr (domain, patch_info->data.token->image,
1520 mono_metadata_token_index (patch_info->data.token->token));
1522 case MONO_PATCH_INFO_TYPE_FROM_HANDLE: {
1524 MonoClass *handle_class;
1527 handle = mono_ldtoken_checked (patch_info->data.token->image,
1528 patch_info->data.token->token, &handle_class, patch_info->data.token->has_context ? &patch_info->data.token->context : NULL, &error);
1529 if (!mono_error_ok (&error))
1530 g_error ("Could not patch ldtoken due to %s", mono_error_get_message (&error));
1531 mono_class_init (handle_class);
1532 mono_class_init (mono_class_from_mono_type (handle));
1535 mono_type_get_object (domain, handle);
1538 case MONO_PATCH_INFO_LDTOKEN: {
1540 MonoClass *handle_class;
1543 handle = mono_ldtoken_checked (patch_info->data.token->image,
1544 patch_info->data.token->token, &handle_class, patch_info->data.token->has_context ? &patch_info->data.token->context : NULL, &error);
1545 if (!mono_error_ok (&error))
1546 g_error ("Could not patch ldtoken due to %s", mono_error_get_message (&error));
1547 mono_class_init (handle_class);
1552 case MONO_PATCH_INFO_DECLSEC:
1553 target = (mono_metadata_blob_heap (patch_info->data.token->image, patch_info->data.token->token) + 2);
1555 case MONO_PATCH_INFO_ICALL_ADDR:
1556 /* run_cctors == 0 -> AOT */
1557 if (patch_info->data.method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL) {
1558 const char *exc_class;
1559 const char *exc_arg;
1562 target = mono_lookup_pinvoke_call (patch_info->data.method, &exc_class, &exc_arg);
1565 mono_raise_exception (mono_exception_from_name_msg (mono_defaults.corlib, "System", exc_class, exc_arg));
1566 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));
1572 target = mono_lookup_internal_call (patch_info->data.method);
1574 if (!target && run_cctors)
1575 g_error ("Unregistered icall '%s'\n", mono_method_full_name (patch_info->data.method, TRUE));
1578 case MONO_PATCH_INFO_INTERRUPTION_REQUEST_FLAG:
1579 target = mono_thread_interruption_request_flag ();
1581 case MONO_PATCH_INFO_METHOD_RGCTX: {
1582 MonoVTable *vtable = mono_class_vtable (domain, patch_info->data.method->klass);
1585 target = mono_method_lookup_rgctx (vtable, mini_method_get_context (patch_info->data.method)->method_inst);
1588 case MONO_PATCH_INFO_BB_OVF:
1589 case MONO_PATCH_INFO_EXC_OVF:
1590 case MONO_PATCH_INFO_GOT_OFFSET:
1591 case MONO_PATCH_INFO_NONE:
1593 case MONO_PATCH_INFO_RGCTX_FETCH: {
1594 int slot = mini_get_rgctx_entry_slot (patch_info->data.rgctx_entry);
1596 target = mono_create_rgctx_lazy_fetch_trampoline (slot);
1599 case MONO_PATCH_INFO_MONITOR_ENTER:
1600 target = mono_create_monitor_enter_trampoline ();
1602 case MONO_PATCH_INFO_MONITOR_ENTER_V4:
1603 target = mono_create_monitor_enter_v4_trampoline ();
1605 case MONO_PATCH_INFO_MONITOR_EXIT:
1606 target = mono_create_monitor_exit_trampoline ();
1608 #ifdef MONO_ARCH_SOFT_DEBUG_SUPPORTED
1609 case MONO_PATCH_INFO_SEQ_POINT_INFO:
1611 /* AOT, not needed */
1614 target = mono_arch_get_seq_point_info (domain, code);
1617 case MONO_PATCH_INFO_LLVM_IMT_TRAMPOLINE:
1618 #ifdef MONO_ARCH_LLVM_SUPPORTED
1619 g_assert (mono_use_llvm);
1620 target = mono_create_llvm_imt_trampoline (domain, patch_info->data.imt_tramp->method, patch_info->data.imt_tramp->vt_offset);
1622 g_assert_not_reached ();
1625 case MONO_PATCH_INFO_GC_CARD_TABLE_ADDR: {
1626 int card_table_shift_bits;
1627 gpointer card_table_mask;
1629 target = mono_gc_get_card_table (&card_table_shift_bits, &card_table_mask);
1632 case MONO_PATCH_INFO_GC_NURSERY_START: {
1636 target = mono_gc_get_nursery (&shift_bits, &size);
1639 case MONO_PATCH_INFO_CASTCLASS_CACHE: {
1640 target = mono_domain_alloc0 (domain, sizeof (gpointer));
1643 case MONO_PATCH_INFO_JIT_TLS_ID: {
1644 target = (gpointer) (size_t) mono_jit_tls_id;
1647 case MONO_PATCH_INFO_TLS_OFFSET: {
1650 offset = mini_get_tls_offset (GPOINTER_TO_INT (patch_info->data.target));
1651 #ifdef MONO_ARCH_HAVE_TRANSLATE_TLS_OFFSET
1652 offset = mono_arch_translate_tls_offset (offset);
1654 target = GINT_TO_POINTER (offset);
1657 case MONO_PATCH_INFO_OBJC_SELECTOR_REF: {
1661 case MONO_PATCH_INFO_LDSTR_LIT: {
1665 len = strlen (patch_info->data.target);
1666 s = mono_domain_alloc0 (domain, len + 1);
1667 memcpy (s, patch_info->data.target, len);
1673 g_assert_not_reached ();
1676 return (gpointer)target;
1680 mini_init_gsctx (MonoDomain *domain, MonoMemPool *mp, MonoGenericContext *context, MonoGenericSharingContext *gsctx)
1682 MonoGenericInst *inst;
1685 memset (gsctx, 0, sizeof (MonoGenericSharingContext));
1687 if (context && context->class_inst) {
1688 inst = context->class_inst;
1689 for (i = 0; i < inst->type_argc; ++i) {
1690 MonoType *type = inst->type_argv [i];
1692 if (mini_is_gsharedvt_gparam (type))
1693 gsctx->is_gsharedvt = TRUE;
1696 if (context && context->method_inst) {
1697 inst = context->method_inst;
1699 for (i = 0; i < inst->type_argc; ++i) {
1700 MonoType *type = inst->type_argv [i];
1702 if (mini_is_gsharedvt_gparam (type))
1703 gsctx->is_gsharedvt = TRUE;
1709 * LOCKING: Acquires the jit code hash lock.
1712 mini_lookup_method (MonoDomain *domain, MonoMethod *method, MonoMethod *shared)
1715 static gboolean inited = FALSE;
1716 static int lookups = 0;
1717 static int failed_lookups = 0;
1719 mono_domain_jit_code_hash_lock (domain);
1720 ji = mono_internal_hash_table_lookup (&domain->jit_code_hash, method);
1721 if (!ji && shared) {
1722 /* Try generic sharing */
1723 ji = mono_internal_hash_table_lookup (&domain->jit_code_hash, shared);
1724 if (ji && !ji->has_generic_jit_info)
1727 mono_counters_register ("Shared generic lookups", MONO_COUNTER_INT|MONO_COUNTER_GENERICS, &lookups);
1728 mono_counters_register ("Failed shared generic lookups", MONO_COUNTER_INT|MONO_COUNTER_GENERICS, &failed_lookups);
1736 mono_domain_jit_code_hash_unlock (domain);
1742 lookup_method (MonoDomain *domain, MonoMethod *method)
1747 ji = mini_lookup_method (domain, method, NULL);
1750 if (!mono_method_is_generic_sharable (method, FALSE))
1752 shared = mini_get_shared_method (method);
1753 ji = mini_lookup_method (domain, method, shared);
1760 mono_get_jit_info_from_method (MonoDomain *domain, MonoMethod *method)
1762 return lookup_method (domain, method);
1766 static FILE* perf_map_file;
1769 mono_enable_jit_map (void)
1771 if (!perf_map_file) {
1773 g_snprintf (name, sizeof (name), "/tmp/perf-%d.map", getpid ());
1775 perf_map_file = fopen (name, "w");
1780 mono_emit_jit_tramp (void *start, int size, const char *desc)
1783 fprintf (perf_map_file, "%llx %x %s\n", (long long unsigned int)(gsize)start, size, desc);
1787 mono_emit_jit_map (MonoJitInfo *jinfo)
1789 if (perf_map_file) {
1790 char *name = mono_method_full_name (jinfo_get_method (jinfo), TRUE);
1791 mono_emit_jit_tramp (jinfo->code_start, jinfo->code_size, name);
1797 mono_jit_map_is_enabled (void)
1799 return perf_map_file != NULL;
1805 mono_jit_compile_method_with_opt (MonoMethod *method, guint32 opt, MonoException **ex)
1807 MonoDomain *target_domain, *domain = mono_domain_get ();
1809 gpointer code = NULL, p;
1811 MonoJitICallInfo *callinfo = NULL;
1812 WrapperInfo *winfo = NULL;
1815 * ICALL wrappers are handled specially, since there is only one copy of them
1816 * shared by all appdomains.
1818 if (method->wrapper_type == MONO_WRAPPER_MANAGED_TO_NATIVE)
1819 winfo = mono_marshal_get_wrapper_info (method);
1820 if (winfo && winfo->subtype == WRAPPER_SUBTYPE_ICALL_WRAPPER) {
1821 callinfo = mono_find_jit_icall_by_addr (winfo->d.icall.func);
1822 g_assert (callinfo);
1824 /* Must be domain neutral since there is only one copy */
1825 opt |= MONO_OPT_SHARED;
1828 if (method->dynamic)
1829 opt &= ~MONO_OPT_SHARED;
1831 /* These methods can become invalid when a domain is unloaded */
1832 if (method->klass->image != mono_get_corlib () || method->is_inflated)
1833 opt &= ~MONO_OPT_SHARED;
1835 if (opt & MONO_OPT_SHARED)
1836 target_domain = mono_get_root_domain ();
1838 target_domain = domain;
1840 if (method->wrapper_type == MONO_WRAPPER_UNKNOWN) {
1841 WrapperInfo *info = mono_marshal_get_wrapper_info (method);
1844 if (info->subtype == WRAPPER_SUBTYPE_SYNCHRONIZED_INNER) {
1845 MonoGenericContext *ctx = NULL;
1846 if (method->is_inflated)
1847 ctx = mono_method_get_context (method);
1848 method = info->d.synchronized_inner.method;
1851 method = mono_class_inflate_generic_method_checked (method, ctx, &error);
1852 g_assert (mono_error_ok (&error)); /* FIXME don't swallow the error */
1857 info = lookup_method (target_domain, method);
1859 /* We can't use a domain specific method in another domain */
1860 if (! ((domain != target_domain) && !info->domain_neutral)) {
1862 MonoException *tmpEx;
1864 mono_jit_stats.methods_lookups++;
1865 vtable = mono_class_vtable (domain, method->klass);
1867 tmpEx = mono_runtime_class_init_full (vtable, ex == NULL);
1872 return mono_create_ftnptr (target_domain, info->code_start);
1876 #ifdef MONO_USE_AOT_COMPILER
1877 if (opt & MONO_OPT_AOT) {
1878 MonoDomain *domain = mono_domain_get ();
1880 mono_class_init (method->klass);
1882 if ((code = mono_aot_get_method (domain, method))) {
1885 vtable = mono_class_vtable (domain, method->klass);
1887 mono_runtime_class_init (vtable);
1893 code = mono_jit_compile_method_inner (method, target_domain, opt, ex);
1897 if (method->wrapper_type == MONO_WRAPPER_WRITE_BARRIER || method->wrapper_type == MONO_WRAPPER_ALLOC) {
1901 * SGEN requires the JIT info for these methods to be registered, see is_ip_in_managed_allocator ().
1903 ji = mini_jit_info_table_find (mono_domain_get (), code, &d);
1907 p = mono_create_ftnptr (target_domain, code);
1910 /*mono_register_jit_icall_wrapper takes the loader lock, so we take it on the outside. */
1911 mono_loader_lock ();
1913 if (!callinfo->wrapper) {
1914 callinfo->wrapper = p;
1915 mono_register_jit_icall_wrapper (callinfo, p);
1918 mono_loader_unlock ();
1925 mono_jit_compile_method (MonoMethod *method)
1927 MonoException *ex = NULL;
1930 code = mono_jit_compile_method_with_opt (method, mono_get_optimizations_for_method (method, default_opt), &ex);
1933 mono_raise_exception (ex);
1939 #ifdef MONO_ARCH_HAVE_INVALIDATE_METHOD
1941 invalidated_delegate_trampoline (char *desc)
1943 g_error ("Unmanaged code called delegate of type %s which was already garbage collected.\n"
1944 "See http://www.mono-project.com/Diagnostic:Delegate for an explanation and ways to fix this.",
1950 * mono_jit_free_method:
1952 * Free all memory allocated by the JIT for METHOD.
1955 mono_jit_free_method (MonoDomain *domain, MonoMethod *method)
1957 MonoJitDynamicMethodInfo *ji;
1958 gboolean destroy = TRUE;
1959 GHashTableIter iter;
1960 MonoJumpList *jlist;
1962 g_assert (method->dynamic);
1964 mono_domain_lock (domain);
1965 ji = mono_dynamic_code_hash_lookup (domain, method);
1966 mono_domain_unlock (domain);
1971 mono_debug_remove_method (method, domain);
1973 mono_domain_lock (domain);
1974 g_hash_table_remove (domain_jit_info (domain)->dynamic_code_hash, method);
1975 mono_domain_jit_code_hash_lock (domain);
1976 mono_internal_hash_table_remove (&domain->jit_code_hash, method);
1977 mono_domain_jit_code_hash_unlock (domain);
1978 g_hash_table_remove (domain_jit_info (domain)->jump_trampoline_hash, method);
1979 mono_conc_hashtable_remove (domain_jit_info (domain)->runtime_invoke_hash, method);
1981 /* Remove jump targets in this method */
1982 g_hash_table_iter_init (&iter, domain_jit_info (domain)->jump_target_hash);
1983 while (g_hash_table_iter_next (&iter, NULL, (void**)&jlist)) {
1984 GSList *tmp, *remove;
1987 for (tmp = jlist->list; tmp; tmp = tmp->next) {
1988 guint8 *ip = tmp->data;
1990 if (ip >= (guint8*)ji->ji->code_start && ip < (guint8*)ji->ji->code_start + ji->ji->code_size)
1991 remove = g_slist_prepend (remove, tmp);
1993 for (tmp = remove; tmp; tmp = tmp->next) {
1994 jlist->list = g_slist_delete_link (jlist->list, tmp->data);
1996 g_slist_free (remove);
1999 mono_domain_unlock (domain);
2001 #ifdef MONO_ARCH_HAVE_INVALIDATE_METHOD
2002 if (debug_options.keep_delegates && method->wrapper_type == MONO_WRAPPER_NATIVE_TO_MANAGED) {
2004 * Instead of freeing the code, change it to call an error routine
2005 * so people can fix their code.
2007 char *type = mono_type_full_name (&method->klass->byval_arg);
2008 char *type_and_method = g_strdup_printf ("%s.%s", type, method->name);
2011 mono_arch_invalidate_method (ji->ji, invalidated_delegate_trampoline, type_and_method);
2017 * This needs to be done before freeing code_mp, since the code address is the
2018 * key in the table, so if we free the code_mp first, another thread can grab the
2019 * same code address and replace our entry in the table.
2021 mono_jit_info_table_remove (domain, ji->ji);
2024 mono_code_manager_destroy (ji->code_mp);
2029 mono_jit_find_compiled_method_with_jit_info (MonoDomain *domain, MonoMethod *method, MonoJitInfo **ji)
2031 MonoDomain *target_domain;
2034 if (default_opt & MONO_OPT_SHARED)
2035 target_domain = mono_get_root_domain ();
2037 target_domain = domain;
2039 info = lookup_method (target_domain, method);
2041 /* We can't use a domain specific method in another domain */
2042 if (! ((domain != target_domain) && !info->domain_neutral)) {
2043 mono_jit_stats.methods_lookups++;
2046 return info->code_start;
2055 gboolean mono_do_single_method_regression = FALSE;
2056 guint32 mono_single_method_regression_opt = 0;
2057 MonoMethod *mono_current_single_method;
2058 GSList *mono_single_method_list;
2059 GHashTable *mono_single_method_hash;
2062 mono_get_optimizations_for_method (MonoMethod *method, guint32 default_opt)
2066 if (!mono_do_single_method_regression)
2068 if (!mono_current_single_method) {
2069 if (!mono_single_method_hash)
2070 mono_single_method_hash = g_hash_table_new (g_direct_hash, g_direct_equal);
2071 if (!g_hash_table_lookup (mono_single_method_hash, method)) {
2072 g_hash_table_insert (mono_single_method_hash, method, method);
2073 mono_single_method_list = g_slist_prepend (mono_single_method_list, method);
2077 if (method == mono_current_single_method)
2078 return mono_single_method_regression_opt;
2083 mono_jit_find_compiled_method (MonoDomain *domain, MonoMethod *method)
2085 return mono_jit_find_compiled_method_with_jit_info (domain, method, NULL);
2090 gpointer compiled_method;
2091 gpointer runtime_invoke;
2093 MonoDynCallInfo *dyn_call_info;
2094 MonoClass *ret_box_class;
2095 } RuntimeInvokeInfo;
2098 * mono_jit_runtime_invoke:
2099 * @method: the method to invoke
2100 * @obj: this pointer
2101 * @params: array of parameter values.
2102 * @exc: used to catch exceptions objects
2105 mono_jit_runtime_invoke (MonoMethod *method, void *obj, void **params, MonoObject **exc)
2107 MonoMethod *invoke, *callee;
2108 MonoObject *(*runtime_invoke) (MonoObject *this, void **params, MonoObject **exc, void* compiled_method);
2109 MonoDomain *domain = mono_domain_get ();
2110 MonoJitDomainInfo *domain_info;
2111 RuntimeInvokeInfo *info, *info2;
2113 if (obj == NULL && !(method->flags & METHOD_ATTRIBUTE_STATIC) && !method->string_ctor && (method->wrapper_type == 0)) {
2114 g_warning ("Ignoring invocation of an instance method on a NULL instance.\n");
2118 domain_info = domain_jit_info (domain);
2120 info = mono_conc_hashtable_lookup (domain_info->runtime_invoke_hash, method);
2123 if (mono_security_core_clr_enabled ()) {
2125 * This might be redundant since mono_class_vtable () already does this,
2126 * but keep it just in case for moonlight.
2128 mono_class_setup_vtable (method->klass);
2129 if (method->klass->exception_type != MONO_EXCEPTION_NONE) {
2131 *exc = (MonoObject*)mono_class_get_exception_for_failure (method->klass);
2133 mono_raise_exception (mono_class_get_exception_for_failure (method->klass));
2138 info = g_new0 (RuntimeInvokeInfo, 1);
2140 invoke = mono_marshal_get_runtime_invoke (method, FALSE);
2141 info->vtable = mono_class_vtable_full (domain, method->klass, TRUE);
2142 g_assert (info->vtable);
2145 if (method->klass->rank && (method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) &&
2146 (method->iflags & METHOD_IMPL_ATTRIBUTE_NATIVE)) {
2148 * Array Get/Set/Address methods. The JIT implements them using inline code
2149 * inside the runtime invoke wrappers, so no need to compile them.
2151 if (mono_aot_only) {
2153 * Call a wrapper, since the runtime invoke wrapper was not generated.
2155 MonoMethod *wrapper;
2157 wrapper = mono_marshal_get_array_accessor_wrapper (method);
2158 invoke = mono_marshal_get_runtime_invoke (wrapper, FALSE);
2166 MonoException *jit_ex = NULL;
2168 info->compiled_method = mono_jit_compile_method_with_opt (callee, mono_get_optimizations_for_method (callee, default_opt), &jit_ex);
2169 if (!info->compiled_method) {
2173 *exc = (MonoObject*)jit_ex;
2176 mono_raise_exception (jit_ex);
2177 /* coverity[unreachable] */
2181 info->compiled_method = mini_add_method_trampoline (callee, info->compiled_method, mono_method_needs_static_rgctx_invoke (callee, TRUE), FALSE);
2183 info->compiled_method = NULL;
2187 * We want to avoid AOTing 1000s of runtime-invoke wrappers when running
2188 * in full-aot mode, so we use a slower, but more generic wrapper if
2189 * possible, built on top of the OP_DYN_CALL opcode provided by the JIT.
2191 #ifdef MONO_ARCH_DYN_CALL_SUPPORTED
2192 if (mono_aot_only || debug_options.dyn_runtime_invoke) {
2194 MonoMethodSignature *sig = mono_method_signature (method);
2195 gboolean supported = TRUE;
2198 if (method->string_ctor)
2199 sig = mono_marshal_get_string_ctor_signature (method);
2201 for (i = 0; i < sig->param_count; ++i) {
2202 MonoType *t = sig->params [i];
2204 if (t->byref && t->type == MONO_TYPE_GENERICINST && mono_class_is_nullable (mono_class_from_mono_type (t)))
2208 if (mono_class_is_contextbound (method->klass) || !info->compiled_method)
2212 info->dyn_call_info = mono_arch_dyn_call_prepare (sig);
2214 ret_type = sig->ret;
2215 if (info->dyn_call_info) {
2216 switch (ret_type->type) {
2217 case MONO_TYPE_VOID:
2229 case MONO_TYPE_BOOLEAN:
2230 case MONO_TYPE_CHAR:
2233 info->ret_box_class = mono_class_from_mono_type (ret_type);
2236 info->ret_box_class = mono_defaults.int_class;
2238 case MONO_TYPE_STRING:
2239 case MONO_TYPE_CLASS:
2240 case MONO_TYPE_ARRAY:
2241 case MONO_TYPE_SZARRAY:
2242 case MONO_TYPE_OBJECT:
2244 case MONO_TYPE_GENERICINST:
2245 if (!MONO_TYPE_IS_REFERENCE (ret_type))
2246 info->ret_box_class = mono_class_from_mono_type (ret_type);
2248 case MONO_TYPE_VALUETYPE:
2249 info->ret_box_class = mono_class_from_mono_type (ret_type);
2252 g_assert_not_reached ();
2259 if (!info->dyn_call_info)
2260 info->runtime_invoke = mono_jit_compile_method (invoke);
2262 info2 = mono_conc_hashtable_insert (domain_info->runtime_invoke_hash, method, info);
2269 runtime_invoke = info->runtime_invoke;
2272 * We need this here because mono_marshal_get_runtime_invoke can place
2273 * the helper method in System.Object and not the target class.
2276 *exc = (MonoObject*)mono_runtime_class_init_full (info->vtable, FALSE);
2280 mono_runtime_class_init (info->vtable);
2283 /* The wrappers expect this to be initialized to NULL */
2287 #ifdef MONO_ARCH_DYN_CALL_SUPPORTED
2288 if (info->dyn_call_info) {
2289 MonoMethodSignature *sig = mono_method_signature (method);
2291 static RuntimeInvokeDynamicFunction dyn_runtime_invoke;
2294 guint8 retval [256];
2296 if (!dyn_runtime_invoke) {
2297 invoke = mono_marshal_get_runtime_invoke_dynamic ();
2298 dyn_runtime_invoke = mono_jit_compile_method (invoke);
2301 /* Convert the arguments to the format expected by start_dyn_call () */
2302 args = g_alloca ((sig->param_count + sig->hasthis) * sizeof (gpointer));
2305 args [pindex ++] = &obj;
2306 for (i = 0; i < sig->param_count; ++i) {
2307 MonoType *t = sig->params [i];
2310 args [pindex ++] = ¶ms [i];
2311 } else if (MONO_TYPE_IS_REFERENCE (t) || t->type == MONO_TYPE_PTR) {
2312 args [pindex ++] = ¶ms [i];
2314 args [pindex ++] = params [i];
2318 //printf ("M: %s\n", mono_method_full_name (method, TRUE));
2320 mono_arch_start_dyn_call (info->dyn_call_info, (gpointer**)args, retval, buf, sizeof (buf));
2322 dyn_runtime_invoke (buf, exc, info->compiled_method);
2324 mono_arch_finish_dyn_call (info->dyn_call_info, buf);
2326 if (info->ret_box_class)
2327 return mono_value_box (domain, info->ret_box_class, retval);
2329 return *(MonoObject**)retval;
2333 return runtime_invoke (obj, params, exc, info->compiled_method);
2336 MONO_SIG_HANDLER_FUNC (, mono_sigfpe_signal_handler)
2338 MonoException *exc = NULL;
2340 MONO_SIG_HANDLER_INFO_TYPE *info = MONO_SIG_HANDLER_GET_INFO ();
2341 MONO_SIG_HANDLER_GET_CONTEXT;
2343 ji = mono_jit_info_table_find (mono_domain_get (), mono_arch_ip_from_context (ctx));
2345 #if defined(MONO_ARCH_HAVE_IS_INT_OVERFLOW)
2346 if (mono_arch_is_int_overflow (ctx, info))
2348 * The spec says this throws ArithmeticException, but MS throws the derived
2349 * OverflowException.
2351 exc = mono_get_exception_overflow ();
2353 exc = mono_get_exception_divide_by_zero ();
2355 exc = mono_get_exception_divide_by_zero ();
2359 if (!mono_do_crash_chaining && mono_chain_signal (MONO_SIG_HANDLER_PARAMS))
2362 mono_handle_native_sigsegv (SIGSEGV, ctx, info);
2363 if (mono_do_crash_chaining) {
2364 mono_chain_signal (MONO_SIG_HANDLER_PARAMS);
2369 mono_arch_handle_exception (ctx, exc);
2372 MONO_SIG_HANDLER_FUNC (, mono_sigill_signal_handler)
2375 MONO_SIG_HANDLER_GET_CONTEXT;
2377 exc = mono_get_exception_execution_engine ("SIGILL");
2379 mono_arch_handle_exception (ctx, exc);
2382 #if defined(MONO_ARCH_USE_SIGACTION) || defined(HOST_WIN32)
2383 #define HAVE_SIG_INFO
2386 MONO_SIG_HANDLER_FUNC (, mono_sigsegv_signal_handler)
2389 MonoJitTlsData *jit_tls = mono_native_tls_get_value (mono_jit_tls_id);
2390 gpointer fault_addr = NULL;
2391 #ifdef HAVE_SIG_INFO
2392 MONO_SIG_HANDLER_INFO_TYPE *info = MONO_SIG_HANDLER_GET_INFO ();
2396 MONO_SIG_HANDLER_GET_CONTEXT;
2398 #if defined(MONO_ARCH_SOFT_DEBUG_SUPPORTED) && defined(HAVE_SIG_INFO)
2399 if (mono_arch_is_single_step_event (info, ctx)) {
2400 mono_debugger_agent_single_step_event (ctx);
2402 } else if (mono_arch_is_breakpoint_event (info, ctx)) {
2403 mono_debugger_agent_breakpoint_hit (ctx);
2408 #if defined(HAVE_SIG_INFO)
2409 #if !defined(HOST_WIN32)
2410 fault_addr = info->si_addr;
2411 if (mono_aot_is_pagefault (info->si_addr)) {
2412 mono_aot_handle_pagefault (info->si_addr);
2417 /* The thread might no be registered with the runtime */
2418 if (!mono_domain_get () || !jit_tls) {
2419 if (!mono_do_crash_chaining && mono_chain_signal (MONO_SIG_HANDLER_PARAMS))
2421 mono_handle_native_sigsegv (SIGSEGV, ctx, info);
2422 if (mono_do_crash_chaining) {
2423 mono_chain_signal (MONO_SIG_HANDLER_PARAMS);
2429 ji = mono_jit_info_table_find (mono_domain_get (), mono_arch_ip_from_context (ctx));
2431 #ifdef MONO_ARCH_SIGSEGV_ON_ALTSTACK
2432 if (mono_handle_soft_stack_ovf (jit_tls, ji, ctx, info, (guint8*)info->si_addr))
2435 #ifdef MONO_ARCH_HAVE_SIGCTX_TO_MONOCTX
2436 /* info->si_addr seems to be NULL on some kernels when handling stack overflows */
2437 fault_addr = info->si_addr;
2438 if (fault_addr == NULL) {
2441 mono_sigctx_to_monoctx (ctx, &mctx);
2443 fault_addr = MONO_CONTEXT_GET_SP (&mctx);
2447 if (jit_tls->stack_size &&
2448 ABS ((guint8*)fault_addr - ((guint8*)jit_tls->end_of_stack - jit_tls->stack_size)) < 8192 * sizeof (gpointer)) {
2450 * The hard-guard page has been hit: there is not much we can do anymore
2451 * Print a hopefully clear message and abort.
2453 mono_handle_hard_stack_ovf (jit_tls, ji, ctx, (guint8*)info->si_addr);
2454 g_assert_not_reached ();
2456 /* The original handler might not like that it is executed on an altstack... */
2457 if (!ji && mono_chain_signal (MONO_SIG_HANDLER_PARAMS))
2460 mono_arch_handle_altstack_exception (ctx, info, info->si_addr, FALSE);
2465 if (!mono_do_crash_chaining && mono_chain_signal (MONO_SIG_HANDLER_PARAMS))
2468 mono_handle_native_sigsegv (SIGSEGV, ctx, info);
2470 if (mono_do_crash_chaining) {
2471 mono_chain_signal (MONO_SIG_HANDLER_PARAMS);
2476 mono_arch_handle_exception (ctx, NULL);
2480 MONO_SIG_HANDLER_FUNC (, mono_sigint_signal_handler)
2483 MONO_SIG_HANDLER_GET_CONTEXT;
2485 exc = mono_get_exception_execution_engine ("Interrupted (SIGINT).");
2487 mono_arch_handle_exception (ctx, exc);
2490 #ifndef DISABLE_REMOTING
2491 /* mono_jit_create_remoting_trampoline:
2492 * @method: pointer to the method info
2494 * Creates a trampoline which calls the remoting functions. This
2495 * is used in the vtable of transparent proxies.
2497 * Returns: a pointer to the newly created code
2500 mono_jit_create_remoting_trampoline (MonoDomain *domain, MonoMethod *method, MonoRemotingTarget target)
2503 guint8 *addr = NULL;
2505 if ((method->flags & METHOD_ATTRIBUTE_VIRTUAL) && mono_method_signature (method)->generic_param_count) {
2506 return mono_create_specific_trampoline (method, MONO_TRAMPOLINE_GENERIC_VIRTUAL_REMOTING,
2510 if ((method->flags & METHOD_ATTRIBUTE_ABSTRACT) ||
2511 (mono_method_signature (method)->hasthis && (mono_class_is_marshalbyref (method->klass) || method->klass == mono_defaults.object_class))) {
2512 nm = mono_marshal_get_remoting_invoke_for_target (method, target);
2513 addr = mono_compile_method (nm);
2516 addr = mono_compile_method (method);
2518 return mono_get_addr_from_ftnptr (addr);
2522 static gpointer *vtable_trampolines;
2523 static int vtable_trampolines_size;
2526 mini_get_vtable_trampoline (int slot_index)
2528 int index = slot_index + MONO_IMT_SIZE;
2530 g_assert (slot_index >= - MONO_IMT_SIZE);
2531 if (!vtable_trampolines || slot_index + MONO_IMT_SIZE >= vtable_trampolines_size) {
2533 if (!vtable_trampolines || index >= vtable_trampolines_size) {
2537 new_size = vtable_trampolines_size ? vtable_trampolines_size * 2 : 128;
2538 while (new_size <= index)
2540 new_table = g_new0 (gpointer, new_size);
2542 if (vtable_trampolines)
2543 memcpy (new_table, vtable_trampolines, vtable_trampolines_size * sizeof (gpointer));
2544 g_free (vtable_trampolines);
2545 mono_memory_barrier ();
2546 vtable_trampolines = new_table;
2547 vtable_trampolines_size = new_size;
2552 if (!vtable_trampolines [index])
2553 vtable_trampolines [index] = mono_create_specific_trampoline (GUINT_TO_POINTER (slot_index), MONO_TRAMPOLINE_VCALL, mono_get_root_domain (), NULL);
2554 return vtable_trampolines [index];
2558 mono_get_delegate_virtual_invoke_impl (MonoMethodSignature *sig, MonoMethod *method)
2560 gboolean is_virtual_generic, is_interface, load_imt_reg;
2563 static guint8 **cache = NULL;
2564 static int cache_size = 0;
2569 if (MONO_TYPE_ISSTRUCT (sig->ret))
2572 is_virtual_generic = method->is_inflated && mono_method_get_declaring_generic_method (method)->is_generic;
2573 is_interface = method->klass->flags & TYPE_ATTRIBUTE_INTERFACE ? TRUE : FALSE;
2574 load_imt_reg = is_virtual_generic || is_interface;
2576 if (is_interface && !is_virtual_generic)
2577 offset = ((gint32)mono_method_get_imt_slot (method) - MONO_IMT_SIZE) * SIZEOF_VOID_P;
2579 offset = G_STRUCT_OFFSET (MonoVTable, vtable) + ((mono_method_get_vtable_index (method)) * (SIZEOF_VOID_P));
2581 idx = (offset / SIZEOF_VOID_P + MONO_IMT_SIZE) * 2 + (load_imt_reg ? 1 : 0);
2582 g_assert (idx >= 0);
2584 /* Resize the cache to idx + 1 */
2585 if (cache_size < idx + 1) {
2587 if (cache_size < idx + 1) {
2589 int new_cache_size = idx + 1;
2591 new_cache = g_new0 (guint8*, new_cache_size);
2593 memcpy (new_cache, cache, cache_size * sizeof (guint8*));
2596 mono_memory_barrier ();
2598 cache_size = new_cache_size;
2606 /* FIXME Support more cases */
2607 if (mono_aot_only) {
2608 char tramp_name [256];
2610 sprintf (tramp_name, "delegate_virtual_invoke%s_%d", load_imt_reg ? "_imt" : "", offset / SIZEOF_VOID_P);
2611 cache [idx] = mono_aot_get_trampoline (tramp_name);
2612 g_assert (cache [idx]);
2614 cache [idx] = mono_arch_get_delegate_virtual_invoke_impl (sig, method, offset, load_imt_reg);
2620 mini_get_imt_trampoline (int slot_index)
2622 return mini_get_vtable_trampoline (slot_index - MONO_IMT_SIZE);
2626 mini_parse_debug_options (void)
2628 const char *options = g_getenv ("MONO_DEBUG");
2629 gchar **args, **ptr;
2634 args = g_strsplit (options, ",", -1);
2636 for (ptr = args; ptr && *ptr; ptr++) {
2637 const char *arg = *ptr;
2639 if (!strcmp (arg, "handle-sigint"))
2640 debug_options.handle_sigint = TRUE;
2641 else if (!strcmp (arg, "keep-delegates"))
2642 debug_options.keep_delegates = TRUE;
2643 else if (!strcmp (arg, "reverse-pinvoke-exceptions"))
2644 debug_options.reverse_pinvoke_exceptions = TRUE;
2645 else if (!strcmp (arg, "collect-pagefault-stats"))
2646 debug_options.collect_pagefault_stats = TRUE;
2647 else if (!strcmp (arg, "break-on-unverified"))
2648 debug_options.break_on_unverified = TRUE;
2649 else if (!strcmp (arg, "no-gdb-backtrace"))
2650 debug_options.no_gdb_backtrace = TRUE;
2651 else if (!strcmp (arg, "suspend-on-sigsegv"))
2652 debug_options.suspend_on_sigsegv = TRUE;
2653 else if (!strcmp (arg, "suspend-on-exception"))
2654 debug_options.suspend_on_exception = TRUE;
2655 else if (!strcmp (arg, "suspend-on-unhandled"))
2656 debug_options.suspend_on_unhandled = TRUE;
2657 else if (!strcmp (arg, "dont-free-domains"))
2658 mono_dont_free_domains = TRUE;
2659 else if (!strcmp (arg, "dyn-runtime-invoke"))
2660 debug_options.dyn_runtime_invoke = TRUE;
2661 else if (!strcmp (arg, "gdb"))
2662 debug_options.gdb = TRUE;
2663 else if (!strcmp (arg, "explicit-null-checks"))
2664 debug_options.explicit_null_checks = TRUE;
2665 else if (!strcmp (arg, "gen-seq-points"))
2666 debug_options.gen_sdb_seq_points = TRUE;
2667 else if (!strcmp (arg, "gen-compact-seq-points"))
2668 debug_options.gen_seq_points_compact_data = TRUE;
2669 else if (!strcmp (arg, "init-stacks"))
2670 debug_options.init_stacks = TRUE;
2671 else if (!strcmp (arg, "casts"))
2672 debug_options.better_cast_details = TRUE;
2673 else if (!strcmp (arg, "soft-breakpoints"))
2674 debug_options.soft_breakpoints = TRUE;
2675 else if (!strcmp (arg, "check-pinvoke-callconv"))
2676 debug_options.check_pinvoke_callconv = TRUE;
2677 else if (!strcmp (arg, "debug-domain-unload"))
2678 mono_enable_debug_domain_unload (TRUE);
2679 else if (!strcmp (arg, "partial-sharing"))
2680 mono_set_partial_sharing_supported (TRUE);
2681 else if (!strcmp (arg, "align-small-structs"))
2682 mono_align_small_structs = TRUE;
2684 fprintf (stderr, "Invalid option for the MONO_DEBUG env variable: %s\n", arg);
2685 fprintf (stderr, "Available options: 'handle-sigint', 'keep-delegates', 'reverse-pinvoke-exceptions', 'collect-pagefault-stats', 'break-on-unverified', 'no-gdb-backtrace', 'dont-free-domains', 'suspend-on-sigsegv', 'suspend-on-exception', 'suspend-on-unhandled', 'dyn-runtime-invoke', 'gdb', 'explicit-null-checks', 'init-stacks', 'check-pinvoke-callconv', 'debug-domain-unload', 'partial-sharing', 'align-small-structs'\n");
2694 mini_get_debug_options (void)
2696 return &debug_options;
2700 mini_create_ftnptr (MonoDomain *domain, gpointer addr)
2702 #if !defined(__ia64__) && (!defined(__ppc64__) && !defined(__powerpc64__) || _CALL_ELF == 2)
2705 gpointer* desc = NULL;
2707 if ((desc = g_hash_table_lookup (domain->ftnptrs_hash, addr)))
2710 desc = mono_domain_code_reserve (domain, 2 * sizeof (gpointer));
2714 # elif defined(__ppc64__) || defined(__powerpc64__)
2716 desc = mono_domain_alloc0 (domain, 3 * sizeof (gpointer));
2722 g_hash_table_insert (domain->ftnptrs_hash, addr, desc);
2728 mini_get_addr_from_ftnptr (gpointer descr)
2730 #if defined(__ia64__) || ((defined(__ppc64__) || defined(__powerpc64__)) && _CALL_ELF != 2)
2731 return *(gpointer*)descr;
2738 register_jit_stats (void)
2740 mono_counters_register ("Compiled methods", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.methods_compiled);
2741 mono_counters_register ("Methods from AOT", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.methods_aot);
2742 mono_counters_register ("Methods JITted using mono JIT", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.methods_without_llvm);
2743 mono_counters_register ("Methods JITted using LLVM", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.methods_with_llvm);
2744 mono_counters_register ("Total time spent JITting (sec)", MONO_COUNTER_JIT | MONO_COUNTER_DOUBLE, &mono_jit_stats.jit_time);
2745 mono_counters_register ("Basic blocks", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.basic_blocks);
2746 mono_counters_register ("Max basic blocks", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.max_basic_blocks);
2747 mono_counters_register ("Allocated vars", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.allocate_var);
2748 mono_counters_register ("Code reallocs", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.code_reallocs);
2749 mono_counters_register ("Allocated code size", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.allocated_code_size);
2750 mono_counters_register ("Allocated seq points size", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.allocated_seq_points_size);
2751 mono_counters_register ("Inlineable methods", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.inlineable_methods);
2752 mono_counters_register ("Inlined methods", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.inlined_methods);
2753 mono_counters_register ("Regvars", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.regvars);
2754 mono_counters_register ("Locals stack size", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.locals_stack_size);
2755 mono_counters_register ("Method cache lookups", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.methods_lookups);
2756 mono_counters_register ("Compiled CIL code size", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.cil_code_size);
2757 mono_counters_register ("Native code size", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.native_code_size);
2758 mono_counters_register ("Aliases found", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.alias_found);
2759 mono_counters_register ("Aliases eliminated", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.alias_removed);
2760 mono_counters_register ("Aliased loads eliminated", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.loads_eliminated);
2761 mono_counters_register ("Aliased stores eliminated", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.stores_eliminated);
2764 static void runtime_invoke_info_free (gpointer value);
2767 class_method_pair_equal (gconstpointer ka, gconstpointer kb)
2769 const MonoClassMethodPair *apair = ka;
2770 const MonoClassMethodPair *bpair = kb;
2772 return apair->klass == bpair->klass && apair->method == bpair->method ? 1 : 0;
2776 class_method_pair_hash (gconstpointer data)
2778 const MonoClassMethodPair *pair = data;
2780 return (gsize)pair->klass ^ (gsize)pair->method;
2784 mini_create_jit_domain_info (MonoDomain *domain)
2786 MonoJitDomainInfo *info = g_new0 (MonoJitDomainInfo, 1);
2788 info->class_init_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
2789 info->jump_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
2790 info->jit_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
2791 info->delegate_trampoline_hash = g_hash_table_new (class_method_pair_hash, class_method_pair_equal);
2792 info->llvm_vcall_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
2793 info->runtime_invoke_hash = mono_conc_hashtable_new_full (&domain->lock, mono_aligned_addr_hash, NULL, NULL, runtime_invoke_info_free);
2794 info->seq_points = g_hash_table_new_full (mono_aligned_addr_hash, NULL, NULL, mono_seq_point_info_free);
2795 info->arch_seq_points = g_hash_table_new (mono_aligned_addr_hash, NULL);
2796 info->jump_target_hash = g_hash_table_new (NULL, NULL);
2798 domain->runtime_info = info;
2802 delete_jump_list (gpointer key, gpointer value, gpointer user_data)
2804 MonoJumpList *jlist = value;
2805 g_slist_free (jlist->list);
2809 delete_got_slot_list (gpointer key, gpointer value, gpointer user_data)
2811 GSList *list = value;
2812 g_slist_free (list);
2816 dynamic_method_info_free (gpointer key, gpointer value, gpointer user_data)
2818 MonoJitDynamicMethodInfo *di = value;
2819 mono_code_manager_destroy (di->code_mp);
2824 runtime_invoke_info_free (gpointer value)
2826 RuntimeInvokeInfo *info = (RuntimeInvokeInfo*)value;
2828 #ifdef MONO_ARCH_DYN_CALL_SUPPORTED
2829 if (info->dyn_call_info)
2830 mono_arch_dyn_call_free (info->dyn_call_info);
2836 mini_free_jit_domain_info (MonoDomain *domain)
2838 MonoJitDomainInfo *info = domain_jit_info (domain);
2840 g_hash_table_foreach (info->jump_target_hash, delete_jump_list, NULL);
2841 g_hash_table_destroy (info->jump_target_hash);
2842 if (info->jump_target_got_slot_hash) {
2843 g_hash_table_foreach (info->jump_target_got_slot_hash, delete_got_slot_list, NULL);
2844 g_hash_table_destroy (info->jump_target_got_slot_hash);
2846 if (info->dynamic_code_hash) {
2847 g_hash_table_foreach (info->dynamic_code_hash, dynamic_method_info_free, NULL);
2848 g_hash_table_destroy (info->dynamic_code_hash);
2850 if (info->method_code_hash)
2851 g_hash_table_destroy (info->method_code_hash);
2852 g_hash_table_destroy (info->class_init_trampoline_hash);
2853 g_hash_table_destroy (info->jump_trampoline_hash);
2854 g_hash_table_destroy (info->jit_trampoline_hash);
2855 g_hash_table_destroy (info->delegate_trampoline_hash);
2856 if (info->static_rgctx_trampoline_hash)
2857 g_hash_table_destroy (info->static_rgctx_trampoline_hash);
2858 g_hash_table_destroy (info->llvm_vcall_trampoline_hash);
2859 mono_conc_hashtable_destroy (info->runtime_invoke_hash);
2860 g_hash_table_destroy (info->seq_points);
2861 g_hash_table_destroy (info->arch_seq_points);
2862 if (info->agent_info)
2863 mono_debugger_agent_free_domain_info (domain);
2864 if (info->gsharedvt_arg_tramp_hash)
2865 g_hash_table_destroy (info->gsharedvt_arg_tramp_hash);
2867 mono_llvm_free_domain_info (domain);
2870 g_free (domain->runtime_info);
2871 domain->runtime_info = NULL;
2876 llvm_init_inner (void)
2878 if (!mono_llvm_load (NULL))
2889 * Load and initialize LLVM support.
2890 * Return TRUE on success.
2893 mini_llvm_init (void)
2896 static gboolean llvm_inited;
2897 static gboolean init_result;
2899 mono_loader_lock_if_inited ();
2901 init_result = llvm_init_inner ();
2904 mono_loader_unlock_if_inited ();
2912 mini_init (const char *filename, const char *runtime_version)
2915 MonoRuntimeCallbacks callbacks;
2916 MonoThreadInfoRuntimeCallbacks ticallbacks;
2918 MONO_VES_INIT_BEGIN ();
2920 #if defined(__linux__) && !defined(__native_client__)
2921 if (access ("/proc/self/maps", F_OK) != 0) {
2922 g_print ("Mono requires /proc to be mounted.\n");
2927 mono_mutex_init_recursive (&jit_mutex);
2929 mono_cross_helpers_run ();
2933 /* Happens when using the embedding interface */
2934 if (!default_opt_set)
2935 default_opt = mono_parse_default_optimizations (NULL);
2937 #ifdef MONO_ARCH_GSHAREDVT_SUPPORTED
2939 mono_set_generic_sharing_vt_supported (TRUE);
2942 #ifdef MONO_HAVE_FAST_TLS
2943 MONO_FAST_TLS_INIT (mono_jit_tls);
2944 MONO_FAST_TLS_INIT (mono_lmf_addr);
2945 #ifdef MONO_ARCH_ENABLE_MONO_LMF_VAR
2946 MONO_FAST_TLS_INIT (mono_lmf);
2950 mono_runtime_set_has_tls_get (MONO_ARCH_HAVE_TLS_GET);
2952 if (!global_codeman)
2953 global_codeman = mono_code_manager_new ();
2955 memset (&callbacks, 0, sizeof (callbacks));
2956 callbacks.create_ftnptr = mini_create_ftnptr;
2957 callbacks.get_addr_from_ftnptr = mini_get_addr_from_ftnptr;
2958 callbacks.get_runtime_build_info = mono_get_runtime_build_info;
2959 callbacks.set_cast_details = mono_set_cast_details;
2960 callbacks.debug_log = mono_debugger_agent_debug_log;
2961 callbacks.debug_log_is_enabled = mono_debugger_agent_debug_log_is_enabled;
2962 callbacks.tls_key_supported = mini_tls_key_supported;
2964 callbacks.get_vtable_trampoline = mini_get_vtable_trampoline;
2965 callbacks.get_imt_trampoline = mini_get_imt_trampoline;
2967 mono_install_callbacks (&callbacks);
2969 memset (&ticallbacks, 0, sizeof (ticallbacks));
2970 ticallbacks.setup_async_callback = mono_setup_async_callback;
2971 ticallbacks.thread_state_init_from_sigctx = mono_thread_state_init_from_sigctx;
2972 ticallbacks.thread_state_init_from_handle = mono_thread_state_init_from_handle;
2974 mono_counters_init ();
2976 mono_threads_runtime_init (&ticallbacks);
2978 if (g_getenv ("MONO_DEBUG") != NULL)
2979 mini_parse_debug_options ();
2981 mono_code_manager_init ();
2985 mono_arch_cpu_init ();
2989 mono_unwind_init ();
2991 #ifdef XDEBUG_ENABLED
2992 if (g_getenv ("MONO_XDEBUG")) {
2993 const char *xdebug_opts = g_getenv ("MONO_XDEBUG");
2994 mono_xdebug_init (xdebug_opts);
2995 /* So methods for multiple domains don't have the same address */
2996 mono_dont_free_domains = TRUE;
2997 mono_using_xdebug = TRUE;
2998 } else if (mini_get_debug_options ()->gdb) {
2999 mono_xdebug_init ((char*)"gdb");
3000 mono_dont_free_domains = TRUE;
3001 mono_using_xdebug = TRUE;
3006 if (mono_use_llvm) {
3007 if (!mono_llvm_load (NULL)) {
3008 mono_use_llvm = FALSE;
3009 fprintf (stderr, "Mono Warning: llvm support could not be loaded.\n");
3016 mono_trampolines_init ();
3018 mono_native_tls_alloc (&mono_jit_tls_id, NULL);
3020 if (default_opt & MONO_OPT_AOT)
3023 mono_debugger_agent_init ();
3025 #ifdef MONO_ARCH_GSHARED_SUPPORTED
3026 mono_set_generic_sharing_supported (TRUE);
3029 #ifndef MONO_CROSS_COMPILE
3030 mono_runtime_install_handlers ();
3032 mono_threads_install_cleanup (mini_thread_cleanup);
3034 #ifdef MONO_ARCH_HAVE_NOTIFY_PENDING_EXC
3035 check_for_pending_exc = FALSE;
3036 mono_threads_install_notify_pending_exc ((MonoThreadNotifyPendingExcFunc)mono_arch_notify_pending_exc);
3039 #define JIT_TRAMPOLINES_WORK
3040 #ifdef JIT_TRAMPOLINES_WORK
3041 mono_install_compile_method (mono_jit_compile_method);
3042 mono_install_free_method (mono_jit_free_method);
3043 mono_install_trampoline (mono_create_jit_trampoline);
3044 mono_install_jump_trampoline (mono_create_jump_trampoline);
3045 #ifndef DISABLE_REMOTING
3046 mono_install_remoting_trampoline (mono_jit_create_remoting_trampoline);
3048 mono_install_delegate_trampoline (mono_create_delegate_trampoline);
3049 mono_install_create_domain_hook (mini_create_jit_domain_info);
3050 mono_install_free_domain_hook (mini_free_jit_domain_info);
3052 #define JIT_INVOKE_WORKS
3053 #ifdef JIT_INVOKE_WORKS
3054 mono_install_runtime_invoke (mono_jit_runtime_invoke);
3056 mono_install_get_cached_class_info (mono_aot_get_cached_class_info);
3057 mono_install_get_class_from_name (mono_aot_get_class_from_name);
3058 mono_install_jit_info_find_in_aot (mono_aot_find_jit_info);
3060 if (debug_options.collect_pagefault_stats)
3061 mono_aot_set_make_unreadable (TRUE);
3063 if (runtime_version)
3064 domain = mono_init_version (filename, runtime_version);
3066 domain = mono_init_from_assembly (filename, filename);
3068 if (mono_aot_only) {
3069 /* This helps catch code allocation requests */
3070 mono_code_manager_set_read_only (domain->code_mp);
3071 mono_marshal_use_aot_wrappers (TRUE);
3075 mono_install_imt_thunk_builder (mono_aot_get_imt_thunk);
3077 mono_install_imt_thunk_builder (mono_arch_build_imt_thunk);
3079 /*Init arch tls information only after the metadata side is inited to make sure we see dynamic appdomain tls keys*/
3080 mono_arch_finish_init ();
3084 /* This must come after mono_init () in the aot-only case */
3085 mono_exceptions_init ();
3087 /* This should come after mono_init () too */
3091 mono_create_helper_signatures ();
3094 register_jit_stats ();
3096 #define JIT_CALLS_WORK
3097 #ifdef JIT_CALLS_WORK
3098 /* Needs to be called here since register_jit_icall depends on it */
3099 mono_marshal_init ();
3101 mono_arch_register_lowlevel_calls ();
3105 mono_generic_sharing_init ();
3108 #ifdef MONO_ARCH_SIMD_INTRINSICS
3109 mono_simd_intrinsics_init ();
3112 #if MONO_SUPPORT_TASKLETS
3113 mono_tasklets_init ();
3116 register_trampolines (domain);
3118 if (mono_compile_aot)
3120 * Avoid running managed code when AOT compiling, since the platform
3121 * might only support aot-only execution.
3123 mono_runtime_set_no_exec (TRUE);
3125 #define JIT_RUNTIME_WORKS
3126 #ifdef JIT_RUNTIME_WORKS
3127 mono_install_runtime_cleanup ((MonoDomainFunc)mini_cleanup);
3128 mono_runtime_init (domain, mono_thread_start_cb, mono_thread_attach_cb);
3129 mono_thread_attach (domain);
3132 mono_profiler_runtime_initialized ();
3134 MONO_VES_INIT_END ();
3140 register_icalls (void)
3142 mono_add_internal_call ("System.Diagnostics.StackFrame::get_frame_info",
3143 ves_icall_get_frame_info);
3144 mono_add_internal_call ("System.Diagnostics.StackTrace::get_trace",
3145 ves_icall_get_trace);
3146 mono_add_internal_call ("System.Exception::get_trace",
3147 ves_icall_System_Exception_get_trace);
3148 mono_add_internal_call ("Mono.Runtime::mono_runtime_install_handlers",
3149 mono_runtime_install_handlers);
3151 #if defined(PLATFORM_ANDROID) || defined(TARGET_ANDROID)
3152 mono_add_internal_call ("System.Diagnostics.Debugger::Mono_UnhandledException_internal",
3153 mono_debugger_agent_unhandled_exception);
3157 * It's important that we pass `TRUE` as the last argument here, as
3158 * it causes the JIT to omit a wrapper for these icalls. If the JIT
3159 * *did* emit a wrapper, we'd be looking at infinite recursion since
3160 * the wrapper would call the icall which would call the wrapper and
3163 register_icall (mono_profiler_method_enter, "mono_profiler_method_enter", "void ptr", TRUE);
3164 register_icall (mono_profiler_method_leave, "mono_profiler_method_leave", "void ptr", TRUE);
3166 register_icall (mono_trace_enter_method, "mono_trace_enter_method", NULL, TRUE);
3167 register_icall (mono_trace_leave_method, "mono_trace_leave_method", NULL, TRUE);
3168 register_icall (mono_get_lmf_addr, "mono_get_lmf_addr", "ptr", TRUE);
3169 register_icall (mono_jit_thread_attach, "mono_jit_thread_attach", "ptr ptr", TRUE);
3170 register_icall (mono_jit_set_domain, "mono_jit_set_domain", "void ptr", TRUE);
3171 register_icall (mono_domain_get, "mono_domain_get", "ptr", TRUE);
3173 register_dyn_icall (mono_get_throw_exception (), "mono_arch_throw_exception", "void object", TRUE);
3174 register_dyn_icall (mono_get_rethrow_exception (), "mono_arch_rethrow_exception", "void object", TRUE);
3175 register_dyn_icall (mono_get_throw_corlib_exception (), "mono_arch_throw_corlib_exception", "void ptr", TRUE);
3176 register_icall (mono_thread_get_undeniable_exception, "mono_thread_get_undeniable_exception", "object", FALSE);
3177 register_icall (mono_thread_interruption_checkpoint, "mono_thread_interruption_checkpoint", "object", FALSE);
3178 register_icall (mono_thread_force_interruption_checkpoint_noraise, "mono_thread_force_interruption_checkpoint_noraise", "object", FALSE);
3179 register_icall (mono_thread_force_interruption_checkpoint, "mono_thread_force_interruption_checkpoint", "void", FALSE);
3180 #ifndef DISABLE_REMOTING
3181 register_icall (mono_load_remote_field_new, "mono_load_remote_field_new", "object object ptr ptr", FALSE);
3182 register_icall (mono_store_remote_field_new, "mono_store_remote_field_new", "void object ptr ptr object", FALSE);
3185 #if defined(__native_client__) || defined(__native_client_codegen__)
3186 register_icall (mono_nacl_gc, "mono_nacl_gc", "void", FALSE);
3188 #if defined(USE_COOP_GC)
3189 register_icall (mono_threads_state_poll, "mono_threads_state_poll", "void", FALSE);
3192 #ifndef MONO_ARCH_NO_EMULATE_LONG_MUL_OPTS
3193 register_opcode_emulation (OP_LMUL, "__emul_lmul", "long long long", mono_llmult, "mono_llmult", TRUE);
3194 register_opcode_emulation (OP_LDIV, "__emul_ldiv", "long long long", mono_lldiv, "mono_lldiv", FALSE);
3195 register_opcode_emulation (OP_LDIV_UN, "__emul_ldiv_un", "long long long", mono_lldiv_un, "mono_lldiv_un", FALSE);
3196 register_opcode_emulation (OP_LREM, "__emul_lrem", "long long long", mono_llrem, "mono_llrem", FALSE);
3197 register_opcode_emulation (OP_LREM_UN, "__emul_lrem_un", "long long long", mono_llrem_un, "mono_llrem_un", FALSE);
3199 #if !defined(MONO_ARCH_NO_EMULATE_LONG_MUL_OPTS) || defined(MONO_ARCH_EMULATE_LONG_MUL_OVF_OPTS)
3200 register_opcode_emulation (OP_LMUL_OVF_UN, "__emul_lmul_ovf_un", "long long long", mono_llmult_ovf_un, "mono_llmult_ovf_un", FALSE);
3201 register_opcode_emulation (OP_LMUL_OVF, "__emul_lmul_ovf", "long long long", mono_llmult_ovf, "mono_llmult_ovf", FALSE);
3204 #ifndef MONO_ARCH_NO_EMULATE_LONG_SHIFT_OPS
3205 register_opcode_emulation (OP_LSHL, "__emul_lshl", "long long int32", mono_lshl, "mono_lshl", TRUE);
3206 register_opcode_emulation (OP_LSHR, "__emul_lshr", "long long int32", mono_lshr, "mono_lshr", TRUE);
3207 register_opcode_emulation (OP_LSHR_UN, "__emul_lshr_un", "long long int32", mono_lshr_un, "mono_lshr_un", TRUE);
3210 #if defined(MONO_ARCH_EMULATE_MUL_DIV) || defined(MONO_ARCH_EMULATE_DIV)
3211 register_opcode_emulation (OP_IDIV, "__emul_op_idiv", "int32 int32 int32", mono_idiv, "mono_idiv", FALSE);
3212 register_opcode_emulation (OP_IDIV_UN, "__emul_op_idiv_un", "int32 int32 int32", mono_idiv_un, "mono_idiv_un", FALSE);
3213 register_opcode_emulation (OP_IREM, "__emul_op_irem", "int32 int32 int32", mono_irem, "mono_irem", FALSE);
3214 register_opcode_emulation (OP_IREM_UN, "__emul_op_irem_un", "int32 int32 int32", mono_irem_un, "mono_irem_un", FALSE);
3217 #ifdef MONO_ARCH_EMULATE_MUL_DIV
3218 register_opcode_emulation (OP_IMUL, "__emul_op_imul", "int32 int32 int32", mono_imul, "mono_imul", TRUE);
3221 #if defined(MONO_ARCH_EMULATE_MUL_DIV) || defined(MONO_ARCH_EMULATE_MUL_OVF)
3222 register_opcode_emulation (OP_IMUL_OVF, "__emul_op_imul_ovf", "int32 int32 int32", mono_imul_ovf, "mono_imul_ovf", FALSE);
3223 register_opcode_emulation (OP_IMUL_OVF_UN, "__emul_op_imul_ovf_un", "int32 int32 int32", mono_imul_ovf_un, "mono_imul_ovf_un", FALSE);
3226 #if defined(MONO_ARCH_EMULATE_MUL_DIV) || defined(MONO_ARCH_SOFT_FLOAT_FALLBACK)
3227 if (ARCH_EMULATE_MUL_DIV || mono_arch_is_soft_float ()) {
3228 register_opcode_emulation (OP_FDIV, "__emul_fdiv", "double double double", mono_fdiv, "mono_fdiv", FALSE);
3232 register_opcode_emulation (OP_FCONV_TO_U8, "__emul_fconv_to_u8", "ulong double", mono_fconv_u8, "mono_fconv_u8", FALSE);
3233 register_opcode_emulation (OP_FCONV_TO_U4, "__emul_fconv_to_u4", "uint32 double", mono_fconv_u4, "mono_fconv_u4", FALSE);
3234 register_opcode_emulation (OP_FCONV_TO_OVF_I8, "__emul_fconv_to_ovf_i8", "long double", mono_fconv_ovf_i8, "mono_fconv_ovf_i8", FALSE);
3235 register_opcode_emulation (OP_FCONV_TO_OVF_U8, "__emul_fconv_to_ovf_u8", "ulong double", mono_fconv_ovf_u8, "mono_fconv_ovf_u8", FALSE);
3236 register_opcode_emulation (OP_RCONV_TO_OVF_I8, "__emul_rconv_to_ovf_i8", "long float", mono_rconv_ovf_i8, "mono_rconv_ovf_i8", FALSE);
3237 register_opcode_emulation (OP_RCONV_TO_OVF_U8, "__emul_rconv_to_ovf_u8", "ulong float", mono_rconv_ovf_u8, "mono_rconv_ovf_u8", FALSE);
3239 #ifdef MONO_ARCH_EMULATE_FCONV_TO_I8
3240 register_opcode_emulation (OP_FCONV_TO_I8, "__emul_fconv_to_i8", "long double", mono_fconv_i8, "mono_fconv_i8", FALSE);
3241 register_opcode_emulation (OP_RCONV_TO_I8, "__emul_rconv_to_i8", "long float", mono_rconv_i8, "mono_rconv_i8", FALSE);
3243 #ifdef MONO_ARCH_EMULATE_CONV_R8_UN
3244 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);
3246 #ifdef MONO_ARCH_EMULATE_LCONV_TO_R8
3247 register_opcode_emulation (OP_LCONV_TO_R8, "__emul_lconv_to_r8", "double long", mono_lconv_to_r8, "mono_lconv_to_r8", FALSE);
3249 #ifdef MONO_ARCH_EMULATE_LCONV_TO_R4
3250 register_opcode_emulation (OP_LCONV_TO_R4, "__emul_lconv_to_r4", "float long", mono_lconv_to_r4, "mono_lconv_to_r4", FALSE);
3252 #ifdef MONO_ARCH_EMULATE_LCONV_TO_R8_UN
3253 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);
3255 #ifdef MONO_ARCH_EMULATE_FREM
3256 #if defined(__default_codegen__)
3257 register_opcode_emulation (OP_FREM, "__emul_frem", "double double double", fmod, "fmod", FALSE);
3258 register_opcode_emulation (OP_RREM, "__emul_rrem", "float float float", fmodf, "fmodf", FALSE);
3259 #elif defined(__native_client_codegen__)
3260 register_opcode_emulation (OP_FREM, "__emul_frem", "double double double", mono_fmod, "mono_fmod", FALSE);
3264 #ifdef MONO_ARCH_SOFT_FLOAT_FALLBACK
3265 if (mono_arch_is_soft_float ()) {
3266 register_opcode_emulation (OP_FSUB, "__emul_fsub", "double double double", mono_fsub, "mono_fsub", FALSE);
3267 register_opcode_emulation (OP_FADD, "__emul_fadd", "double double double", mono_fadd, "mono_fadd", FALSE);
3268 register_opcode_emulation (OP_FMUL, "__emul_fmul", "double double double", mono_fmul, "mono_fmul", FALSE);
3269 register_opcode_emulation (OP_FNEG, "__emul_fneg", "double double", mono_fneg, "mono_fneg", FALSE);
3270 register_opcode_emulation (OP_ICONV_TO_R8, "__emul_iconv_to_r8", "double int32", mono_conv_to_r8, "mono_conv_to_r8", FALSE);
3271 register_opcode_emulation (OP_ICONV_TO_R4, "__emul_iconv_to_r4", "double int32", mono_conv_to_r4, "mono_conv_to_r4", FALSE);
3272 register_opcode_emulation (OP_FCONV_TO_R4, "__emul_fconv_to_r4", "double double", mono_fconv_r4, "mono_fconv_r4", FALSE);
3273 register_opcode_emulation (OP_FCONV_TO_I1, "__emul_fconv_to_i1", "int8 double", mono_fconv_i1, "mono_fconv_i1", FALSE);
3274 register_opcode_emulation (OP_FCONV_TO_I2, "__emul_fconv_to_i2", "int16 double", mono_fconv_i2, "mono_fconv_i2", FALSE);
3275 register_opcode_emulation (OP_FCONV_TO_I4, "__emul_fconv_to_i4", "int32 double", mono_fconv_i4, "mono_fconv_i4", FALSE);
3276 register_opcode_emulation (OP_FCONV_TO_U1, "__emul_fconv_to_u1", "uint8 double", mono_fconv_u1, "mono_fconv_u1", FALSE);
3277 register_opcode_emulation (OP_FCONV_TO_U2, "__emul_fconv_to_u2", "uint16 double", mono_fconv_u2, "mono_fconv_u2", FALSE);
3279 #if SIZEOF_VOID_P == 4
3280 register_opcode_emulation (OP_FCONV_TO_I, "__emul_fconv_to_i", "int32 double", mono_fconv_i4, "mono_fconv_i4", FALSE);
3283 register_opcode_emulation (OP_FBEQ, "__emul_fcmp_eq", "uint32 double double", mono_fcmp_eq, "mono_fcmp_eq", FALSE);
3284 register_opcode_emulation (OP_FBLT, "__emul_fcmp_lt", "uint32 double double", mono_fcmp_lt, "mono_fcmp_lt", FALSE);
3285 register_opcode_emulation (OP_FBGT, "__emul_fcmp_gt", "uint32 double double", mono_fcmp_gt, "mono_fcmp_gt", FALSE);
3286 register_opcode_emulation (OP_FBLE, "__emul_fcmp_le", "uint32 double double", mono_fcmp_le, "mono_fcmp_le", FALSE);
3287 register_opcode_emulation (OP_FBGE, "__emul_fcmp_ge", "uint32 double double", mono_fcmp_ge, "mono_fcmp_ge", FALSE);
3288 register_opcode_emulation (OP_FBNE_UN, "__emul_fcmp_ne_un", "uint32 double double", mono_fcmp_ne_un, "mono_fcmp_ne_un", FALSE);
3289 register_opcode_emulation (OP_FBLT_UN, "__emul_fcmp_lt_un", "uint32 double double", mono_fcmp_lt_un, "mono_fcmp_lt_un", FALSE);
3290 register_opcode_emulation (OP_FBGT_UN, "__emul_fcmp_gt_un", "uint32 double double", mono_fcmp_gt_un, "mono_fcmp_gt_un", FALSE);
3291 register_opcode_emulation (OP_FBLE_UN, "__emul_fcmp_le_un", "uint32 double double", mono_fcmp_le_un, "mono_fcmp_le_un", FALSE);
3292 register_opcode_emulation (OP_FBGE_UN, "__emul_fcmp_ge_un", "uint32 double double", mono_fcmp_ge_un, "mono_fcmp_ge_un", FALSE);
3294 register_opcode_emulation (OP_FCEQ, "__emul_fcmp_ceq", "uint32 double double", mono_fceq, "mono_fceq", FALSE);
3295 register_opcode_emulation (OP_FCGT, "__emul_fcmp_cgt", "uint32 double double", mono_fcgt, "mono_fcgt", FALSE);
3296 register_opcode_emulation (OP_FCGT_UN, "__emul_fcmp_cgt_un", "uint32 double double", mono_fcgt_un, "mono_fcgt_un", FALSE);
3297 register_opcode_emulation (OP_FCLT, "__emul_fcmp_clt", "uint32 double double", mono_fclt, "mono_fclt", FALSE);
3298 register_opcode_emulation (OP_FCLT_UN, "__emul_fcmp_clt_un", "uint32 double double", mono_fclt_un, "mono_fclt_un", FALSE);
3300 register_icall (mono_fload_r4, "mono_fload_r4", "double ptr", FALSE);
3301 register_icall (mono_fstore_r4, "mono_fstore_r4", "void double ptr", FALSE);
3302 register_icall (mono_fload_r4_arg, "mono_fload_r4_arg", "uint32 double", FALSE);
3303 register_icall (mono_isfinite, "mono_isfinite", "uint32 double", FALSE);
3307 #ifdef COMPRESSED_INTERFACE_BITMAP
3308 register_icall (mono_class_interface_match, "mono_class_interface_match", "uint32 ptr int32", TRUE);
3311 #if SIZEOF_REGISTER == 4
3312 register_opcode_emulation (OP_FCONV_TO_U, "__emul_fconv_to_u", "uint32 double", mono_fconv_u4, "mono_fconv_u4", TRUE);
3314 register_opcode_emulation (OP_FCONV_TO_U, "__emul_fconv_to_u", "ulong double", mono_fconv_u8, "mono_fconv_u8", TRUE);
3317 /* other jit icalls */
3318 register_icall (mono_delegate_ctor, "mono_delegate_ctor", "void object object ptr", FALSE);
3319 register_icall (mono_class_static_field_address , "mono_class_static_field_address",
3320 "ptr ptr ptr", FALSE);
3321 register_icall (mono_ldtoken_wrapper, "mono_ldtoken_wrapper", "ptr ptr ptr ptr", FALSE);
3322 register_icall (mono_ldtoken_wrapper_generic_shared, "mono_ldtoken_wrapper_generic_shared",
3323 "ptr ptr ptr ptr", FALSE);
3324 register_icall (mono_get_special_static_data, "mono_get_special_static_data", "ptr int", FALSE);
3325 register_icall (mono_ldstr, "mono_ldstr", "object ptr ptr int32", FALSE);
3326 register_icall (mono_helper_stelem_ref_check, "mono_helper_stelem_ref_check", "void object object", FALSE);
3327 register_icall (mono_object_new, "mono_object_new", "object ptr ptr", FALSE);
3328 register_icall (mono_object_new_specific, "mono_object_new_specific", "object ptr", FALSE);
3329 register_icall (mono_array_new, "mono_array_new", "object ptr ptr int32", FALSE);
3330 register_icall (mono_array_new_specific, "mono_array_new_specific", "object ptr int32", FALSE);
3331 register_icall (mono_runtime_class_init, "mono_runtime_class_init", "void ptr", FALSE);
3332 register_icall (mono_ldftn, "mono_ldftn", "ptr ptr", FALSE);
3333 register_icall (mono_ldvirtfn, "mono_ldvirtfn", "ptr object ptr", FALSE);
3334 register_icall (mono_ldvirtfn_gshared, "mono_ldvirtfn_gshared", "ptr object ptr", FALSE);
3335 register_icall (mono_helper_compile_generic_method, "mono_helper_compile_generic_method", "ptr object ptr ptr", FALSE);
3336 register_icall (mono_helper_ldstr, "mono_helper_ldstr", "object ptr int", FALSE);
3337 register_icall (mono_helper_ldstr_mscorlib, "mono_helper_ldstr_mscorlib", "object int", FALSE);
3338 register_icall (mono_helper_newobj_mscorlib, "mono_helper_newobj_mscorlib", "object int", FALSE);
3339 register_icall (mono_value_copy, "mono_value_copy", "void ptr ptr ptr", FALSE);
3340 register_icall (mono_object_castclass_unbox, "mono_object_castclass_unbox", "object object ptr", FALSE);
3341 register_icall (mono_break, "mono_break", NULL, TRUE);
3342 register_icall (mono_create_corlib_exception_0, "mono_create_corlib_exception_0", "object int", TRUE);
3343 register_icall (mono_create_corlib_exception_1, "mono_create_corlib_exception_1", "object int object", TRUE);
3344 register_icall (mono_create_corlib_exception_2, "mono_create_corlib_exception_2", "object int object object", TRUE);
3345 register_icall (mono_array_new_1, "mono_array_new_1", "object ptr int", FALSE);
3346 register_icall (mono_array_new_2, "mono_array_new_2", "object ptr int int", FALSE);
3347 register_icall (mono_array_new_3, "mono_array_new_3", "object ptr int int int", FALSE);
3348 register_icall (mono_array_new_4, "mono_array_new_4", "object ptr int int int int", FALSE);
3349 register_icall (mono_get_native_calli_wrapper, "mono_get_native_calli_wrapper", "ptr ptr ptr ptr", FALSE);
3350 register_icall (mono_resume_unwind, "mono_resume_unwind", "void", TRUE);
3351 register_icall (mono_gsharedvt_constrained_call, "mono_gsharedvt_constrained_call", "object ptr ptr ptr ptr ptr", FALSE);
3352 register_icall (mono_gsharedvt_value_copy, "mono_gsharedvt_value_copy", "void ptr ptr ptr", TRUE);
3354 register_icall (mono_gc_wbarrier_value_copy_bitmap, "mono_gc_wbarrier_value_copy_bitmap", "void ptr ptr int int", FALSE);
3356 register_icall (mono_object_castclass_with_cache, "mono_object_castclass_with_cache", "object object ptr ptr", FALSE);
3357 register_icall (mono_object_isinst_with_cache, "mono_object_isinst_with_cache", "object object ptr ptr", FALSE);
3358 register_icall (mono_generic_class_init, "mono_generic_class_init", "void ptr", FALSE);
3359 register_icall (mono_fill_class_rgctx, "mono_class_fill_rgctx", "ptr ptr int", FALSE);
3360 register_icall (mono_fill_method_rgctx, "mono_method_fill_rgctx", "ptr ptr int", FALSE);
3362 register_icall (mono_debugger_agent_user_break, "mono_debugger_agent_user_break", "void", FALSE);
3363 register_dyn_icall (mono_create_specific_trampoline (NULL, MONO_TRAMPOLINE_GENERIC_CLASS_INIT, mono_get_root_domain (), NULL),
3364 "specific_trampoline_generic_class_init", "void", TRUE);
3367 register_icall (pthread_getspecific, "pthread_getspecific", "ptr ptr", TRUE);
3371 MonoJitStats mono_jit_stats = {0};
3374 print_jit_stats (void)
3376 if (mono_jit_stats.enabled) {
3377 g_print ("Mono Jit statistics\n");
3378 g_print ("Max code size ratio: %.2f (%s)\n", mono_jit_stats.max_code_size_ratio/100.0,
3379 mono_jit_stats.max_ratio_method);
3380 g_print ("Biggest method: %ld (%s)\n", mono_jit_stats.biggest_method_size,
3381 mono_jit_stats.biggest_method);
3383 g_print ("Delegates created: %ld\n", mono_stats.delegate_creations);
3384 g_print ("Initialized classes: %ld\n", mono_stats.initialized_class_count);
3385 g_print ("Used classes: %ld\n", mono_stats.used_class_count);
3386 g_print ("Generic vtables: %ld\n", mono_stats.generic_vtable_count);
3387 g_print ("Methods: %ld\n", mono_stats.method_count);
3388 g_print ("Static data size: %ld\n", mono_stats.class_static_data_size);
3389 g_print ("VTable data size: %ld\n", mono_stats.class_vtable_size);
3390 g_print ("Mscorlib mempool size: %d\n", mono_mempool_get_allocated (mono_defaults.corlib->mempool));
3392 g_print ("\nInitialized classes: %ld\n", mono_stats.generic_class_count);
3393 g_print ("Inflated types: %ld\n", mono_stats.inflated_type_count);
3394 g_print ("Generics virtual invokes: %ld\n", mono_jit_stats.generic_virtual_invocations);
3396 g_print ("Sharable generic methods: %ld\n", mono_stats.generics_sharable_methods);
3397 g_print ("Unsharable generic methods: %ld\n", mono_stats.generics_unsharable_methods);
3398 g_print ("Shared generic methods: %ld\n", mono_stats.generics_shared_methods);
3399 g_print ("Shared vtype generic methods: %ld\n", mono_stats.gsharedvt_methods);
3401 g_print ("IMT tables size: %ld\n", mono_stats.imt_tables_size);
3402 g_print ("IMT number of tables: %ld\n", mono_stats.imt_number_of_tables);
3403 g_print ("IMT number of methods: %ld\n", mono_stats.imt_number_of_methods);
3404 g_print ("IMT used slots: %ld\n", mono_stats.imt_used_slots);
3405 g_print ("IMT colliding slots: %ld\n", mono_stats.imt_slots_with_collisions);
3406 g_print ("IMT max collisions: %ld\n", mono_stats.imt_max_collisions_in_slot);
3407 g_print ("IMT methods at max col: %ld\n", mono_stats.imt_method_count_when_max_collisions);
3408 g_print ("IMT thunks size: %ld\n", mono_stats.imt_thunks_size);
3410 g_print ("JIT info table inserts: %ld\n", mono_stats.jit_info_table_insert_count);
3411 g_print ("JIT info table removes: %ld\n", mono_stats.jit_info_table_remove_count);
3412 g_print ("JIT info table lookups: %ld\n", mono_stats.jit_info_table_lookup_count);
3414 g_free (mono_jit_stats.max_ratio_method);
3415 mono_jit_stats.max_ratio_method = NULL;
3416 g_free (mono_jit_stats.biggest_method);
3417 mono_jit_stats.biggest_method = NULL;
3422 mini_cleanup (MonoDomain *domain)
3424 mono_runtime_shutdown_stat_profiler ();
3427 cominterop_release_all_rcws ();
3430 #ifndef MONO_CROSS_COMPILE
3432 * mono_domain_finalize () needs to be called early since it needs the
3433 * execution engine still fully working (it may invoke managed finalizers).
3435 mono_domain_finalize (domain, 2000);
3438 /* This accesses metadata so needs to be called before runtime shutdown */
3441 mono_profiler_shutdown ();
3443 #ifndef MONO_CROSS_COMPILE
3444 mono_runtime_cleanup (domain);
3447 free_jit_tls_data (mono_native_tls_get_value (mono_jit_tls_id));
3449 mono_icall_cleanup ();
3451 mono_runtime_cleanup_handlers ();
3453 #ifndef MONO_CROSS_COMPILE
3454 mono_domain_free (domain, TRUE);
3459 mono_llvm_cleanup ();
3462 mono_aot_cleanup ();
3464 mono_trampolines_cleanup ();
3466 mono_unwind_cleanup ();
3468 mono_code_manager_destroy (global_codeman);
3469 g_free (vtable_trampolines);
3471 mini_jit_cleanup ();
3473 mono_tramp_info_cleanup ();
3475 mono_arch_cleanup ();
3477 mono_generic_sharing_cleanup ();
3481 mono_trace_cleanup ();
3483 mono_counters_dump (MONO_COUNTER_SECTION_MASK | MONO_COUNTER_MONOTONIC, stdout);
3485 if (mono_inject_async_exc_method)
3486 mono_method_desc_free (mono_inject_async_exc_method);
3488 mono_native_tls_free (mono_jit_tls_id);
3490 mono_mutex_destroy (&jit_mutex);
3492 mono_mutex_destroy (&mono_delegate_section);
3494 mono_code_manager_cleanup ();
3496 #ifdef USE_JUMP_TABLES
3497 mono_jumptable_cleanup ();
3502 mono_set_defaults (int verbose_level, guint32 opts)
3504 mini_verbose = verbose_level;
3505 mono_set_optimizations (opts);
3509 mono_disable_optimizations (guint32 opts)
3511 default_opt &= ~opts;
3515 mono_set_optimizations (guint32 opts)
3518 default_opt_set = TRUE;
3519 #ifdef MONO_ARCH_GSHAREDVT_SUPPORTED
3520 mono_set_generic_sharing_vt_supported (mono_aot_only || ((default_opt & MONO_OPT_GSHAREDVT) != 0));
3525 mono_set_verbose_level (guint32 level)
3527 mini_verbose = level;
3531 * mono_get_runtime_build_info:
3533 * Return the runtime version + build date in string format.
3534 * The returned string is owned by the caller. The returned string
3535 * format is "VERSION (FULL_VERSION BUILD_DATE)" and build date is optional.
3538 mono_get_runtime_build_info (void)
3540 if (mono_build_date)
3541 return g_strdup_printf ("%s (%s %s)", VERSION, FULL_VERSION, mono_build_date);
3543 return g_strdup_printf ("%s (%s)", VERSION, FULL_VERSION);
3547 mono_precompile_assembly (MonoAssembly *ass, void *user_data)
3549 GHashTable *assemblies = (GHashTable*)user_data;
3550 MonoImage *image = mono_assembly_get_image (ass);
3551 MonoMethod *method, *invoke;
3554 if (g_hash_table_lookup (assemblies, ass))
3557 g_hash_table_insert (assemblies, ass, ass);
3559 if (mini_verbose > 0)
3560 printf ("PRECOMPILE: %s.\n", mono_image_get_filename (image));
3562 for (i = 0; i < mono_image_get_table_rows (image, MONO_TABLE_METHOD); ++i) {
3563 method = mono_get_method (image, MONO_TOKEN_METHOD_DEF | (i + 1), NULL);
3564 if (method->flags & METHOD_ATTRIBUTE_ABSTRACT)
3566 if (method->is_generic || method->klass->generic_container)
3570 if (mini_verbose > 1) {
3571 char * desc = mono_method_full_name (method, TRUE);
3572 g_print ("Compiling %d %s\n", count, desc);
3575 mono_compile_method (method);
3576 if (strcmp (method->name, "Finalize") == 0) {
3577 invoke = mono_marshal_get_runtime_invoke (method, FALSE);
3578 mono_compile_method (invoke);
3580 #ifndef DISABLE_REMOTING
3581 if (mono_class_is_marshalbyref (method->klass) && mono_method_signature (method)->hasthis) {
3582 invoke = mono_marshal_get_remoting_invoke_with_check (method);
3583 mono_compile_method (invoke);
3588 /* Load and precompile referenced assemblies as well */
3589 for (i = 0; i < mono_image_get_table_rows (image, MONO_TABLE_ASSEMBLYREF); ++i) {
3590 mono_assembly_load_reference (image, i);
3591 if (image->references [i])
3592 mono_precompile_assembly (image->references [i], assemblies);
3596 void mono_precompile_assemblies ()
3598 GHashTable *assemblies = g_hash_table_new (NULL, NULL);
3600 mono_assembly_foreach ((GFunc)mono_precompile_assembly, assemblies);
3602 g_hash_table_destroy (assemblies);
3605 #ifdef USE_JUMP_TABLES
3606 #define DEFAULT_JUMPTABLE_CHUNK_ELEMENTS 128
3608 typedef struct MonoJumpTableChunk {
3611 struct MonoJumpTableChunk *previous;
3612 /* gpointer entries[total]; */
3613 } MonoJumpTableChunk;
3615 static MonoJumpTableChunk* g_jumptable;
3616 #define mono_jumptable_lock() mono_mutex_lock (&jumptable_mutex)
3617 #define mono_jumptable_unlock() mono_mutex_unlock (&jumptable_mutex)
3618 static mono_mutex_t jumptable_mutex;
3620 static MonoJumpTableChunk*
3621 mono_create_jumptable_chunk (guint32 max_entries)
3623 guint32 size = sizeof (MonoJumpTableChunk) + max_entries * sizeof(gpointer);
3624 MonoJumpTableChunk *chunk = (MonoJumpTableChunk*) g_new0 (guchar, size);
3625 chunk->total = max_entries;
3630 mono_jumptable_init (void)
3632 if (g_jumptable == NULL) {
3633 mono_mutex_init_recursive (&jumptable_mutex);
3634 g_jumptable = mono_create_jumptable_chunk (DEFAULT_JUMPTABLE_CHUNK_ELEMENTS);
3639 mono_jumptable_add_entry (void)
3641 return mono_jumptable_add_entries (1);
3645 mono_jumptable_add_entries (guint32 entries)
3650 mono_jumptable_init ();
3651 mono_jumptable_lock ();
3652 index = g_jumptable->active;
3653 if (index + entries >= g_jumptable->total) {
3655 * Grow jumptable, by adding one more chunk.
3656 * We cannot realloc jumptable, as there could be pointers
3657 * to existing jump table entries in the code, so instead
3658 * we just add one more chunk.
3660 guint32 max_entries = entries;
3661 MonoJumpTableChunk *new_chunk;
3663 if (max_entries < DEFAULT_JUMPTABLE_CHUNK_ELEMENTS)
3664 max_entries = DEFAULT_JUMPTABLE_CHUNK_ELEMENTS;
3665 new_chunk = mono_create_jumptable_chunk (max_entries);
3666 /* Link old jumptable, so that we could free it up later. */
3667 new_chunk->previous = g_jumptable;
3668 g_jumptable = new_chunk;
3671 g_jumptable->active = index + entries;
3672 result = (gpointer*)((guchar*)g_jumptable + sizeof(MonoJumpTableChunk)) + index;
3673 mono_jumptable_unlock();
3679 mono_jumptable_cleanup (void)
3682 MonoJumpTableChunk *current = g_jumptable, *prev;
3683 while (current != NULL) {
3684 prev = current->previous;
3689 mono_mutex_destroy (&jumptable_mutex);
3694 mono_jumptable_get_entry (guint8 *code_ptr)
3696 return mono_arch_jumptable_entry_from_code (code_ptr);