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->var_is_vt || gsctx->mvar_is_vt)
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 MonoJumpInfoRgctxEntry *entry = patch_info->data.rgctx_entry;
1597 switch (entry->data->type) {
1598 case MONO_PATCH_INFO_CLASS:
1599 slot = mono_method_lookup_or_register_info (entry->method, entry->in_mrgctx, &entry->data->data.klass->byval_arg, entry->info_type, mono_method_get_context (entry->method));
1601 case MONO_PATCH_INFO_METHOD:
1602 case MONO_PATCH_INFO_METHODCONST:
1603 slot = mono_method_lookup_or_register_info (entry->method, entry->in_mrgctx, entry->data->data.method, entry->info_type, mono_method_get_context (entry->method));
1605 case MONO_PATCH_INFO_FIELD:
1606 slot = mono_method_lookup_or_register_info (entry->method, entry->in_mrgctx, entry->data->data.field, entry->info_type, mono_method_get_context (entry->method));
1608 case MONO_PATCH_INFO_SIGNATURE:
1609 slot = mono_method_lookup_or_register_info (entry->method, entry->in_mrgctx, entry->data->data.sig, entry->info_type, mono_method_get_context (entry->method));
1611 case MONO_PATCH_INFO_GSHAREDVT_CALL: {
1612 MonoJumpInfoGSharedVtCall *call_info = g_malloc0 (sizeof (MonoJumpInfoGSharedVtCall)); //mono_domain_alloc0 (domain, sizeof (MonoJumpInfoGSharedVtCall));
1614 memcpy (call_info, entry->data->data.gsharedvt, sizeof (MonoJumpInfoGSharedVtCall));
1615 slot = mono_method_lookup_or_register_info (entry->method, entry->in_mrgctx, call_info, entry->info_type, mono_method_get_context (entry->method));
1618 case MONO_PATCH_INFO_GSHAREDVT_METHOD: {
1619 MonoGSharedVtMethodInfo *info;
1620 MonoGSharedVtMethodInfo *oinfo = entry->data->data.gsharedvt_method;
1623 /* Make a copy into the domain mempool */
1624 info = g_malloc0 (sizeof (MonoGSharedVtMethodInfo)); //mono_domain_alloc0 (domain, sizeof (MonoGSharedVtMethodInfo));
1625 info->method = oinfo->method;
1626 info->num_entries = oinfo->num_entries;
1627 info->entries = g_malloc0 (sizeof (MonoRuntimeGenericContextInfoTemplate) * info->num_entries);
1628 for (i = 0; i < oinfo->num_entries; ++i) {
1629 MonoRuntimeGenericContextInfoTemplate *otemplate = &oinfo->entries [i];
1630 MonoRuntimeGenericContextInfoTemplate *template = &info->entries [i];
1632 memcpy (template, otemplate, sizeof (MonoRuntimeGenericContextInfoTemplate));
1634 slot = mono_method_lookup_or_register_info (entry->method, entry->in_mrgctx, info, entry->info_type, mono_method_get_context (entry->method));
1637 case MONO_PATCH_INFO_VIRT_METHOD: {
1638 MonoJumpInfoVirtMethod *info;
1639 MonoJumpInfoVirtMethod *oinfo = entry->data->data.virt_method;
1641 info = g_malloc0 (sizeof (MonoJumpInfoVirtMethod));
1642 memcpy (info, oinfo, sizeof (MonoJumpInfoVirtMethod));
1643 slot = mono_method_lookup_or_register_info (entry->method, entry->in_mrgctx, info, entry->info_type, mono_method_get_context (entry->method));
1647 g_assert_not_reached ();
1651 target = mono_create_rgctx_lazy_fetch_trampoline (slot);
1654 case MONO_PATCH_INFO_MONITOR_ENTER:
1655 target = mono_create_monitor_enter_trampoline ();
1657 case MONO_PATCH_INFO_MONITOR_ENTER_V4:
1658 target = mono_create_monitor_enter_v4_trampoline ();
1660 case MONO_PATCH_INFO_MONITOR_EXIT:
1661 target = mono_create_monitor_exit_trampoline ();
1663 #ifdef MONO_ARCH_SOFT_DEBUG_SUPPORTED
1664 case MONO_PATCH_INFO_SEQ_POINT_INFO:
1666 /* AOT, not needed */
1669 target = mono_arch_get_seq_point_info (domain, code);
1672 case MONO_PATCH_INFO_LLVM_IMT_TRAMPOLINE:
1673 #ifdef MONO_ARCH_LLVM_SUPPORTED
1674 g_assert (mono_use_llvm);
1675 target = mono_create_llvm_imt_trampoline (domain, patch_info->data.imt_tramp->method, patch_info->data.imt_tramp->vt_offset);
1677 g_assert_not_reached ();
1680 case MONO_PATCH_INFO_GC_CARD_TABLE_ADDR: {
1681 int card_table_shift_bits;
1682 gpointer card_table_mask;
1684 target = mono_gc_get_card_table (&card_table_shift_bits, &card_table_mask);
1687 case MONO_PATCH_INFO_GC_NURSERY_START: {
1691 target = mono_gc_get_nursery (&shift_bits, &size);
1694 case MONO_PATCH_INFO_CASTCLASS_CACHE: {
1695 target = mono_domain_alloc0 (domain, sizeof (gpointer));
1698 case MONO_PATCH_INFO_JIT_TLS_ID: {
1699 target = (gpointer) (size_t) mono_jit_tls_id;
1702 case MONO_PATCH_INFO_TLS_OFFSET: {
1705 offset = mini_get_tls_offset (GPOINTER_TO_INT (patch_info->data.target));
1706 #ifdef MONO_ARCH_HAVE_TRANSLATE_TLS_OFFSET
1707 offset = mono_arch_translate_tls_offset (offset);
1709 target = GINT_TO_POINTER (offset);
1712 case MONO_PATCH_INFO_OBJC_SELECTOR_REF: {
1716 case MONO_PATCH_INFO_LDSTR_LIT: {
1720 len = strlen (patch_info->data.target);
1721 s = mono_domain_alloc0 (domain, len + 1);
1722 memcpy (s, patch_info->data.target, len);
1728 g_assert_not_reached ();
1731 return (gpointer)target;
1735 mini_init_gsctx (MonoDomain *domain, MonoMemPool *mp, MonoGenericContext *context, MonoGenericSharingContext *gsctx)
1737 MonoGenericInst *inst;
1740 memset (gsctx, 0, sizeof (MonoGenericSharingContext));
1742 if (context && context->class_inst) {
1743 inst = context->class_inst;
1745 gsctx->var_is_vt = mono_domain_alloc0 (domain, sizeof (gboolean) * inst->type_argc);
1747 gsctx->var_is_vt = mono_mempool_alloc0 (mp, sizeof (gboolean) * inst->type_argc);
1749 gsctx->var_is_vt = g_new0 (gboolean, inst->type_argc);
1751 for (i = 0; i < inst->type_argc; ++i) {
1752 MonoType *type = inst->type_argv [i];
1754 if (mini_is_gsharedvt_gparam (type))
1755 gsctx->var_is_vt [i] = TRUE;
1758 if (context && context->method_inst) {
1759 inst = context->method_inst;
1761 gsctx->mvar_is_vt = mono_domain_alloc0 (domain, sizeof (gboolean) * inst->type_argc);
1763 gsctx->mvar_is_vt = mono_mempool_alloc0 (mp, sizeof (gboolean) * inst->type_argc);
1765 gsctx->mvar_is_vt = g_new0 (gboolean, inst->type_argc);
1767 for (i = 0; i < inst->type_argc; ++i) {
1768 MonoType *type = inst->type_argv [i];
1770 if (mini_is_gsharedvt_gparam (type))
1771 gsctx->mvar_is_vt [i] = TRUE;
1777 * LOCKING: Acquires the jit code hash lock.
1780 mini_lookup_method (MonoDomain *domain, MonoMethod *method, MonoMethod *shared)
1783 static gboolean inited = FALSE;
1784 static int lookups = 0;
1785 static int failed_lookups = 0;
1787 mono_domain_jit_code_hash_lock (domain);
1788 ji = mono_internal_hash_table_lookup (&domain->jit_code_hash, method);
1789 if (!ji && shared) {
1790 /* Try generic sharing */
1791 ji = mono_internal_hash_table_lookup (&domain->jit_code_hash, shared);
1792 if (ji && !ji->has_generic_jit_info)
1795 mono_counters_register ("Shared generic lookups", MONO_COUNTER_INT|MONO_COUNTER_GENERICS, &lookups);
1796 mono_counters_register ("Failed shared generic lookups", MONO_COUNTER_INT|MONO_COUNTER_GENERICS, &failed_lookups);
1804 mono_domain_jit_code_hash_unlock (domain);
1810 lookup_method (MonoDomain *domain, MonoMethod *method)
1815 ji = mini_lookup_method (domain, method, NULL);
1818 if (!mono_method_is_generic_sharable (method, FALSE))
1820 shared = mini_get_shared_method (method);
1821 ji = mini_lookup_method (domain, method, shared);
1828 mono_get_jit_info_from_method (MonoDomain *domain, MonoMethod *method)
1830 return lookup_method (domain, method);
1834 static FILE* perf_map_file;
1837 mono_enable_jit_map (void)
1839 if (!perf_map_file) {
1841 g_snprintf (name, sizeof (name), "/tmp/perf-%d.map", getpid ());
1843 perf_map_file = fopen (name, "w");
1848 mono_emit_jit_tramp (void *start, int size, const char *desc)
1851 fprintf (perf_map_file, "%llx %x %s\n", (long long unsigned int)(gsize)start, size, desc);
1855 mono_emit_jit_map (MonoJitInfo *jinfo)
1857 if (perf_map_file) {
1858 char *name = mono_method_full_name (jinfo_get_method (jinfo), TRUE);
1859 mono_emit_jit_tramp (jinfo->code_start, jinfo->code_size, name);
1865 mono_jit_map_is_enabled (void)
1867 return perf_map_file != NULL;
1873 mono_jit_compile_method_with_opt (MonoMethod *method, guint32 opt, MonoException **ex)
1875 MonoDomain *target_domain, *domain = mono_domain_get ();
1877 gpointer code = NULL, p;
1879 MonoJitICallInfo *callinfo = NULL;
1880 WrapperInfo *winfo = NULL;
1883 * ICALL wrappers are handled specially, since there is only one copy of them
1884 * shared by all appdomains.
1886 if (method->wrapper_type == MONO_WRAPPER_MANAGED_TO_NATIVE)
1887 winfo = mono_marshal_get_wrapper_info (method);
1888 if (winfo && winfo->subtype == WRAPPER_SUBTYPE_ICALL_WRAPPER) {
1889 callinfo = mono_find_jit_icall_by_addr (winfo->d.icall.func);
1890 g_assert (callinfo);
1892 /* Must be domain neutral since there is only one copy */
1893 opt |= MONO_OPT_SHARED;
1896 if (method->dynamic)
1897 opt &= ~MONO_OPT_SHARED;
1899 /* These methods can become invalid when a domain is unloaded */
1900 if (method->klass->image != mono_get_corlib () || method->is_inflated)
1901 opt &= ~MONO_OPT_SHARED;
1903 if (opt & MONO_OPT_SHARED)
1904 target_domain = mono_get_root_domain ();
1906 target_domain = domain;
1908 if (method->wrapper_type == MONO_WRAPPER_UNKNOWN) {
1909 WrapperInfo *info = mono_marshal_get_wrapper_info (method);
1912 if (info->subtype == WRAPPER_SUBTYPE_SYNCHRONIZED_INNER) {
1913 MonoGenericContext *ctx = NULL;
1914 if (method->is_inflated)
1915 ctx = mono_method_get_context (method);
1916 method = info->d.synchronized_inner.method;
1919 method = mono_class_inflate_generic_method_checked (method, ctx, &error);
1920 g_assert (mono_error_ok (&error)); /* FIXME don't swallow the error */
1925 info = lookup_method (target_domain, method);
1927 /* We can't use a domain specific method in another domain */
1928 if (! ((domain != target_domain) && !info->domain_neutral)) {
1930 MonoException *tmpEx;
1932 mono_jit_stats.methods_lookups++;
1933 vtable = mono_class_vtable (domain, method->klass);
1935 tmpEx = mono_runtime_class_init_full (vtable, ex == NULL);
1940 return mono_create_ftnptr (target_domain, info->code_start);
1944 #ifdef MONO_USE_AOT_COMPILER
1945 if (opt & MONO_OPT_AOT) {
1946 MonoDomain *domain = mono_domain_get ();
1948 mono_class_init (method->klass);
1950 if ((code = mono_aot_get_method (domain, method))) {
1953 vtable = mono_class_vtable (domain, method->klass);
1955 mono_runtime_class_init (vtable);
1961 code = mono_jit_compile_method_inner (method, target_domain, opt, ex);
1965 if (method->wrapper_type == MONO_WRAPPER_WRITE_BARRIER || method->wrapper_type == MONO_WRAPPER_ALLOC) {
1969 * SGEN requires the JIT info for these methods to be registered, see is_ip_in_managed_allocator ().
1971 ji = mini_jit_info_table_find (mono_domain_get (), code, &d);
1975 p = mono_create_ftnptr (target_domain, code);
1978 /*mono_register_jit_icall_wrapper takes the loader lock, so we take it on the outside. */
1979 mono_loader_lock ();
1981 if (!callinfo->wrapper) {
1982 callinfo->wrapper = p;
1983 mono_register_jit_icall_wrapper (callinfo, p);
1986 mono_loader_unlock ();
1993 mono_jit_compile_method (MonoMethod *method)
1995 MonoException *ex = NULL;
1998 code = mono_jit_compile_method_with_opt (method, mono_get_optimizations_for_method (method, default_opt), &ex);
2001 mono_raise_exception (ex);
2007 #ifdef MONO_ARCH_HAVE_INVALIDATE_METHOD
2009 invalidated_delegate_trampoline (char *desc)
2011 g_error ("Unmanaged code called delegate of type %s which was already garbage collected.\n"
2012 "See http://www.mono-project.com/Diagnostic:Delegate for an explanation and ways to fix this.",
2018 * mono_jit_free_method:
2020 * Free all memory allocated by the JIT for METHOD.
2023 mono_jit_free_method (MonoDomain *domain, MonoMethod *method)
2025 MonoJitDynamicMethodInfo *ji;
2026 gboolean destroy = TRUE;
2027 GHashTableIter iter;
2028 MonoJumpList *jlist;
2030 g_assert (method->dynamic);
2032 mono_domain_lock (domain);
2033 ji = mono_dynamic_code_hash_lookup (domain, method);
2034 mono_domain_unlock (domain);
2039 mono_debug_remove_method (method, domain);
2041 mono_domain_lock (domain);
2042 g_hash_table_remove (domain_jit_info (domain)->dynamic_code_hash, method);
2043 mono_domain_jit_code_hash_lock (domain);
2044 mono_internal_hash_table_remove (&domain->jit_code_hash, method);
2045 mono_domain_jit_code_hash_unlock (domain);
2046 g_hash_table_remove (domain_jit_info (domain)->jump_trampoline_hash, method);
2047 mono_conc_hashtable_remove (domain_jit_info (domain)->runtime_invoke_hash, method);
2049 /* Remove jump targets in this method */
2050 g_hash_table_iter_init (&iter, domain_jit_info (domain)->jump_target_hash);
2051 while (g_hash_table_iter_next (&iter, NULL, (void**)&jlist)) {
2052 GSList *tmp, *remove;
2055 for (tmp = jlist->list; tmp; tmp = tmp->next) {
2056 guint8 *ip = tmp->data;
2058 if (ip >= (guint8*)ji->ji->code_start && ip < (guint8*)ji->ji->code_start + ji->ji->code_size)
2059 remove = g_slist_prepend (remove, tmp);
2061 for (tmp = remove; tmp; tmp = tmp->next) {
2062 jlist->list = g_slist_delete_link (jlist->list, tmp->data);
2064 g_slist_free (remove);
2067 mono_domain_unlock (domain);
2069 #ifdef MONO_ARCH_HAVE_INVALIDATE_METHOD
2070 if (debug_options.keep_delegates && method->wrapper_type == MONO_WRAPPER_NATIVE_TO_MANAGED) {
2072 * Instead of freeing the code, change it to call an error routine
2073 * so people can fix their code.
2075 char *type = mono_type_full_name (&method->klass->byval_arg);
2076 char *type_and_method = g_strdup_printf ("%s.%s", type, method->name);
2079 mono_arch_invalidate_method (ji->ji, invalidated_delegate_trampoline, type_and_method);
2085 * This needs to be done before freeing code_mp, since the code address is the
2086 * key in the table, so if we free the code_mp first, another thread can grab the
2087 * same code address and replace our entry in the table.
2089 mono_jit_info_table_remove (domain, ji->ji);
2092 mono_code_manager_destroy (ji->code_mp);
2097 mono_jit_find_compiled_method_with_jit_info (MonoDomain *domain, MonoMethod *method, MonoJitInfo **ji)
2099 MonoDomain *target_domain;
2102 if (default_opt & MONO_OPT_SHARED)
2103 target_domain = mono_get_root_domain ();
2105 target_domain = domain;
2107 info = lookup_method (target_domain, method);
2109 /* We can't use a domain specific method in another domain */
2110 if (! ((domain != target_domain) && !info->domain_neutral)) {
2111 mono_jit_stats.methods_lookups++;
2114 return info->code_start;
2123 gboolean mono_do_single_method_regression = FALSE;
2124 guint32 mono_single_method_regression_opt = 0;
2125 MonoMethod *mono_current_single_method;
2126 GSList *mono_single_method_list;
2127 GHashTable *mono_single_method_hash;
2130 mono_get_optimizations_for_method (MonoMethod *method, guint32 default_opt)
2134 if (!mono_do_single_method_regression)
2136 if (!mono_current_single_method) {
2137 if (!mono_single_method_hash)
2138 mono_single_method_hash = g_hash_table_new (g_direct_hash, g_direct_equal);
2139 if (!g_hash_table_lookup (mono_single_method_hash, method)) {
2140 g_hash_table_insert (mono_single_method_hash, method, method);
2141 mono_single_method_list = g_slist_prepend (mono_single_method_list, method);
2145 if (method == mono_current_single_method)
2146 return mono_single_method_regression_opt;
2151 mono_jit_find_compiled_method (MonoDomain *domain, MonoMethod *method)
2153 return mono_jit_find_compiled_method_with_jit_info (domain, method, NULL);
2158 gpointer compiled_method;
2159 gpointer runtime_invoke;
2161 MonoDynCallInfo *dyn_call_info;
2162 MonoClass *ret_box_class;
2163 } RuntimeInvokeInfo;
2166 * mono_jit_runtime_invoke:
2167 * @method: the method to invoke
2168 * @obj: this pointer
2169 * @params: array of parameter values.
2170 * @exc: used to catch exceptions objects
2173 mono_jit_runtime_invoke (MonoMethod *method, void *obj, void **params, MonoObject **exc)
2175 MonoMethod *invoke, *callee;
2176 MonoObject *(*runtime_invoke) (MonoObject *this, void **params, MonoObject **exc, void* compiled_method);
2177 MonoDomain *domain = mono_domain_get ();
2178 MonoJitDomainInfo *domain_info;
2179 RuntimeInvokeInfo *info, *info2;
2181 if (obj == NULL && !(method->flags & METHOD_ATTRIBUTE_STATIC) && !method->string_ctor && (method->wrapper_type == 0)) {
2182 g_warning ("Ignoring invocation of an instance method on a NULL instance.\n");
2186 domain_info = domain_jit_info (domain);
2188 info = mono_conc_hashtable_lookup (domain_info->runtime_invoke_hash, method);
2191 if (mono_security_core_clr_enabled ()) {
2193 * This might be redundant since mono_class_vtable () already does this,
2194 * but keep it just in case for moonlight.
2196 mono_class_setup_vtable (method->klass);
2197 if (method->klass->exception_type != MONO_EXCEPTION_NONE) {
2199 *exc = (MonoObject*)mono_class_get_exception_for_failure (method->klass);
2201 mono_raise_exception (mono_class_get_exception_for_failure (method->klass));
2206 info = g_new0 (RuntimeInvokeInfo, 1);
2208 invoke = mono_marshal_get_runtime_invoke (method, FALSE);
2209 info->vtable = mono_class_vtable_full (domain, method->klass, TRUE);
2210 g_assert (info->vtable);
2213 if (method->klass->rank && (method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) &&
2214 (method->iflags & METHOD_IMPL_ATTRIBUTE_NATIVE)) {
2216 * Array Get/Set/Address methods. The JIT implements them using inline code
2217 * inside the runtime invoke wrappers, so no need to compile them.
2219 if (mono_aot_only) {
2221 * Call a wrapper, since the runtime invoke wrapper was not generated.
2223 MonoMethod *wrapper;
2225 wrapper = mono_marshal_get_array_accessor_wrapper (method);
2226 invoke = mono_marshal_get_runtime_invoke (wrapper, FALSE);
2234 MonoException *jit_ex = NULL;
2236 info->compiled_method = mono_jit_compile_method_with_opt (callee, mono_get_optimizations_for_method (callee, default_opt), &jit_ex);
2237 if (!info->compiled_method) {
2241 *exc = (MonoObject*)jit_ex;
2244 mono_raise_exception (jit_ex);
2248 info->compiled_method = mini_add_method_trampoline (NULL, callee, info->compiled_method, mono_method_needs_static_rgctx_invoke (callee, FALSE), FALSE);
2250 info->compiled_method = NULL;
2254 * We want to avoid AOTing 1000s of runtime-invoke wrappers when running
2255 * in full-aot mode, so we use a slower, but more generic wrapper if
2256 * possible, built on top of the OP_DYN_CALL opcode provided by the JIT.
2258 #ifdef MONO_ARCH_DYN_CALL_SUPPORTED
2259 if (mono_aot_only || debug_options.dyn_runtime_invoke) {
2261 MonoMethodSignature *sig = mono_method_signature (method);
2262 gboolean supported = TRUE;
2265 if (method->string_ctor)
2266 sig = mono_marshal_get_string_ctor_signature (method);
2268 for (i = 0; i < sig->param_count; ++i) {
2269 MonoType *t = sig->params [i];
2271 if (t->byref && t->type == MONO_TYPE_GENERICINST && mono_class_is_nullable (mono_class_from_mono_type (t)))
2275 if (mono_class_is_contextbound (method->klass) || !info->compiled_method)
2279 info->dyn_call_info = mono_arch_dyn_call_prepare (sig);
2281 ret_type = sig->ret;
2282 if (info->dyn_call_info) {
2283 switch (ret_type->type) {
2284 case MONO_TYPE_VOID:
2296 case MONO_TYPE_BOOLEAN:
2297 case MONO_TYPE_CHAR:
2300 info->ret_box_class = mono_class_from_mono_type (ret_type);
2303 info->ret_box_class = mono_defaults.int_class;
2305 case MONO_TYPE_STRING:
2306 case MONO_TYPE_CLASS:
2307 case MONO_TYPE_ARRAY:
2308 case MONO_TYPE_SZARRAY:
2309 case MONO_TYPE_OBJECT:
2311 case MONO_TYPE_GENERICINST:
2312 if (!MONO_TYPE_IS_REFERENCE (ret_type))
2313 info->ret_box_class = mono_class_from_mono_type (ret_type);
2315 case MONO_TYPE_VALUETYPE:
2316 info->ret_box_class = mono_class_from_mono_type (ret_type);
2319 g_assert_not_reached ();
2326 if (!info->dyn_call_info)
2327 info->runtime_invoke = mono_jit_compile_method (invoke);
2329 info2 = mono_conc_hashtable_insert (domain_info->runtime_invoke_hash, method, info);
2336 runtime_invoke = info->runtime_invoke;
2339 * We need this here because mono_marshal_get_runtime_invoke can place
2340 * the helper method in System.Object and not the target class.
2343 *exc = (MonoObject*)mono_runtime_class_init_full (info->vtable, FALSE);
2347 mono_runtime_class_init (info->vtable);
2350 /* The wrappers expect this to be initialized to NULL */
2354 #ifdef MONO_ARCH_DYN_CALL_SUPPORTED
2355 if (info->dyn_call_info) {
2356 MonoMethodSignature *sig = mono_method_signature (method);
2358 static RuntimeInvokeDynamicFunction dyn_runtime_invoke;
2361 guint8 retval [256];
2363 if (!dyn_runtime_invoke) {
2364 invoke = mono_marshal_get_runtime_invoke_dynamic ();
2365 dyn_runtime_invoke = mono_jit_compile_method (invoke);
2368 /* Convert the arguments to the format expected by start_dyn_call () */
2369 args = g_alloca ((sig->param_count + sig->hasthis) * sizeof (gpointer));
2372 args [pindex ++] = &obj;
2373 for (i = 0; i < sig->param_count; ++i) {
2374 MonoType *t = sig->params [i];
2377 args [pindex ++] = ¶ms [i];
2378 } else if (MONO_TYPE_IS_REFERENCE (t) || t->type == MONO_TYPE_PTR) {
2379 args [pindex ++] = ¶ms [i];
2381 args [pindex ++] = params [i];
2385 //printf ("M: %s\n", mono_method_full_name (method, TRUE));
2387 mono_arch_start_dyn_call (info->dyn_call_info, (gpointer**)args, retval, buf, sizeof (buf));
2389 dyn_runtime_invoke (buf, exc, info->compiled_method);
2391 mono_arch_finish_dyn_call (info->dyn_call_info, buf);
2393 if (info->ret_box_class)
2394 return mono_value_box (domain, info->ret_box_class, retval);
2396 return *(MonoObject**)retval;
2400 return runtime_invoke (obj, params, exc, info->compiled_method);
2403 MONO_SIG_HANDLER_FUNC (, mono_sigfpe_signal_handler)
2405 MonoException *exc = NULL;
2407 MONO_SIG_HANDLER_INFO_TYPE *info = MONO_SIG_HANDLER_GET_INFO ();
2408 MONO_SIG_HANDLER_GET_CONTEXT;
2410 ji = mono_jit_info_table_find (mono_domain_get (), mono_arch_ip_from_context (ctx));
2412 #if defined(MONO_ARCH_HAVE_IS_INT_OVERFLOW)
2413 if (mono_arch_is_int_overflow (ctx, info))
2415 * The spec says this throws ArithmeticException, but MS throws the derived
2416 * OverflowException.
2418 exc = mono_get_exception_overflow ();
2420 exc = mono_get_exception_divide_by_zero ();
2422 exc = mono_get_exception_divide_by_zero ();
2426 if (!mono_do_crash_chaining && mono_chain_signal (MONO_SIG_HANDLER_PARAMS))
2429 mono_handle_native_sigsegv (SIGSEGV, ctx, info);
2430 if (mono_do_crash_chaining) {
2431 mono_chain_signal (MONO_SIG_HANDLER_PARAMS);
2436 mono_arch_handle_exception (ctx, exc);
2439 MONO_SIG_HANDLER_FUNC (, mono_sigill_signal_handler)
2442 MONO_SIG_HANDLER_GET_CONTEXT;
2444 exc = mono_get_exception_execution_engine ("SIGILL");
2446 mono_arch_handle_exception (ctx, exc);
2449 #if defined(MONO_ARCH_USE_SIGACTION) || defined(HOST_WIN32)
2450 #define HAVE_SIG_INFO
2453 MONO_SIG_HANDLER_FUNC (, mono_sigsegv_signal_handler)
2456 MonoJitTlsData *jit_tls = mono_native_tls_get_value (mono_jit_tls_id);
2457 gpointer fault_addr = NULL;
2458 #ifdef HAVE_SIG_INFO
2459 MONO_SIG_HANDLER_INFO_TYPE *info = MONO_SIG_HANDLER_GET_INFO ();
2463 MONO_SIG_HANDLER_GET_CONTEXT;
2465 #if defined(MONO_ARCH_SOFT_DEBUG_SUPPORTED) && defined(HAVE_SIG_INFO)
2466 if (mono_arch_is_single_step_event (info, ctx)) {
2467 mono_debugger_agent_single_step_event (ctx);
2469 } else if (mono_arch_is_breakpoint_event (info, ctx)) {
2470 mono_debugger_agent_breakpoint_hit (ctx);
2475 #if defined(HAVE_SIG_INFO)
2476 #if !defined(HOST_WIN32)
2477 fault_addr = info->si_addr;
2478 if (mono_aot_is_pagefault (info->si_addr)) {
2479 mono_aot_handle_pagefault (info->si_addr);
2484 /* The thread might no be registered with the runtime */
2485 if (!mono_domain_get () || !jit_tls) {
2486 if (!mono_do_crash_chaining && mono_chain_signal (MONO_SIG_HANDLER_PARAMS))
2488 mono_handle_native_sigsegv (SIGSEGV, ctx, info);
2489 if (mono_do_crash_chaining) {
2490 mono_chain_signal (MONO_SIG_HANDLER_PARAMS);
2496 ji = mono_jit_info_table_find (mono_domain_get (), mono_arch_ip_from_context (ctx));
2498 #ifdef MONO_ARCH_SIGSEGV_ON_ALTSTACK
2499 if (mono_handle_soft_stack_ovf (jit_tls, ji, ctx, info, (guint8*)info->si_addr))
2502 #ifdef MONO_ARCH_HAVE_SIGCTX_TO_MONOCTX
2503 /* info->si_addr seems to be NULL on some kernels when handling stack overflows */
2504 fault_addr = info->si_addr;
2505 if (fault_addr == NULL) {
2508 mono_sigctx_to_monoctx (ctx, &mctx);
2510 fault_addr = MONO_CONTEXT_GET_SP (&mctx);
2514 if (jit_tls->stack_size &&
2515 ABS ((guint8*)fault_addr - ((guint8*)jit_tls->end_of_stack - jit_tls->stack_size)) < 8192 * sizeof (gpointer)) {
2517 * The hard-guard page has been hit: there is not much we can do anymore
2518 * Print a hopefully clear message and abort.
2520 mono_handle_hard_stack_ovf (jit_tls, ji, ctx, (guint8*)info->si_addr);
2521 g_assert_not_reached ();
2523 /* The original handler might not like that it is executed on an altstack... */
2524 if (!ji && mono_chain_signal (MONO_SIG_HANDLER_PARAMS))
2527 mono_arch_handle_altstack_exception (ctx, info, info->si_addr, FALSE);
2532 if (!mono_do_crash_chaining && mono_chain_signal (MONO_SIG_HANDLER_PARAMS))
2535 mono_handle_native_sigsegv (SIGSEGV, ctx, info);
2537 if (mono_do_crash_chaining) {
2538 mono_chain_signal (MONO_SIG_HANDLER_PARAMS);
2543 mono_arch_handle_exception (ctx, NULL);
2547 MONO_SIG_HANDLER_FUNC (, mono_sigint_signal_handler)
2550 MONO_SIG_HANDLER_GET_CONTEXT;
2552 exc = mono_get_exception_execution_engine ("Interrupted (SIGINT).");
2554 mono_arch_handle_exception (ctx, exc);
2557 #ifndef DISABLE_REMOTING
2558 /* mono_jit_create_remoting_trampoline:
2559 * @method: pointer to the method info
2561 * Creates a trampoline which calls the remoting functions. This
2562 * is used in the vtable of transparent proxies.
2564 * Returns: a pointer to the newly created code
2567 mono_jit_create_remoting_trampoline (MonoDomain *domain, MonoMethod *method, MonoRemotingTarget target)
2570 guint8 *addr = NULL;
2572 if ((method->flags & METHOD_ATTRIBUTE_VIRTUAL) && mono_method_signature (method)->generic_param_count) {
2573 return mono_create_specific_trampoline (method, MONO_TRAMPOLINE_GENERIC_VIRTUAL_REMOTING,
2577 if ((method->flags & METHOD_ATTRIBUTE_ABSTRACT) ||
2578 (mono_method_signature (method)->hasthis && (mono_class_is_marshalbyref (method->klass) || method->klass == mono_defaults.object_class))) {
2579 nm = mono_marshal_get_remoting_invoke_for_target (method, target);
2580 addr = mono_compile_method (nm);
2583 addr = mono_compile_method (method);
2585 return mono_get_addr_from_ftnptr (addr);
2589 static gpointer *vtable_trampolines;
2590 static int vtable_trampolines_size;
2593 mini_get_vtable_trampoline (int slot_index)
2595 int index = slot_index + MONO_IMT_SIZE;
2597 g_assert (slot_index >= - MONO_IMT_SIZE);
2598 if (!vtable_trampolines || slot_index + MONO_IMT_SIZE >= vtable_trampolines_size) {
2600 if (!vtable_trampolines || index >= vtable_trampolines_size) {
2604 new_size = vtable_trampolines_size ? vtable_trampolines_size * 2 : 128;
2605 while (new_size <= index)
2607 new_table = g_new0 (gpointer, new_size);
2609 if (vtable_trampolines)
2610 memcpy (new_table, vtable_trampolines, vtable_trampolines_size * sizeof (gpointer));
2611 g_free (vtable_trampolines);
2612 mono_memory_barrier ();
2613 vtable_trampolines = new_table;
2614 vtable_trampolines_size = new_size;
2619 if (!vtable_trampolines [index])
2620 vtable_trampolines [index] = mono_create_specific_trampoline (GUINT_TO_POINTER (slot_index), MONO_TRAMPOLINE_VCALL, mono_get_root_domain (), NULL);
2621 return vtable_trampolines [index];
2625 mono_get_delegate_virtual_invoke_impl (MonoMethodSignature *sig, MonoMethod *method)
2627 gboolean is_virtual_generic, is_interface, load_imt_reg;
2630 static guint8 **cache = NULL;
2631 static int cache_size = 0;
2636 if (MONO_TYPE_ISSTRUCT (sig->ret))
2639 is_virtual_generic = method->is_inflated && mono_method_get_declaring_generic_method (method)->is_generic;
2640 is_interface = method->klass->flags & TYPE_ATTRIBUTE_INTERFACE ? TRUE : FALSE;
2641 load_imt_reg = is_virtual_generic || is_interface;
2643 if (is_interface && !is_virtual_generic)
2644 offset = ((gint32)mono_method_get_imt_slot (method) - MONO_IMT_SIZE) * SIZEOF_VOID_P;
2646 offset = G_STRUCT_OFFSET (MonoVTable, vtable) + ((mono_method_get_vtable_index (method)) * (SIZEOF_VOID_P));
2648 idx = (offset / SIZEOF_VOID_P + MONO_IMT_SIZE) * 2 + (load_imt_reg ? 1 : 0);
2649 g_assert (idx >= 0);
2651 /* Resize the cache to idx + 1 */
2652 if (cache_size < idx + 1) {
2654 if (cache_size < idx + 1) {
2656 int new_cache_size = idx + 1;
2658 new_cache = g_new0 (guint8*, new_cache_size);
2660 memcpy (new_cache, cache, cache_size * sizeof (guint8*));
2663 mono_memory_barrier ();
2665 cache_size = new_cache_size;
2673 /* FIXME Support more cases */
2674 if (mono_aot_only) {
2675 char tramp_name [256];
2677 sprintf (tramp_name, "delegate_virtual_invoke%s_%d", load_imt_reg ? "_imt" : "", offset / SIZEOF_VOID_P);
2678 cache [idx] = mono_aot_get_trampoline (tramp_name);
2679 g_assert (cache [idx]);
2681 cache [idx] = mono_arch_get_delegate_virtual_invoke_impl (sig, method, offset, load_imt_reg);
2687 mini_get_imt_trampoline (int slot_index)
2689 return mini_get_vtable_trampoline (slot_index - MONO_IMT_SIZE);
2693 mini_parse_debug_options (void)
2695 const char *options = g_getenv ("MONO_DEBUG");
2696 gchar **args, **ptr;
2701 args = g_strsplit (options, ",", -1);
2703 for (ptr = args; ptr && *ptr; ptr++) {
2704 const char *arg = *ptr;
2706 if (!strcmp (arg, "handle-sigint"))
2707 debug_options.handle_sigint = TRUE;
2708 else if (!strcmp (arg, "keep-delegates"))
2709 debug_options.keep_delegates = TRUE;
2710 else if (!strcmp (arg, "reverse-pinvoke-exceptions"))
2711 debug_options.reverse_pinvoke_exceptions = TRUE;
2712 else if (!strcmp (arg, "collect-pagefault-stats"))
2713 debug_options.collect_pagefault_stats = TRUE;
2714 else if (!strcmp (arg, "break-on-unverified"))
2715 debug_options.break_on_unverified = TRUE;
2716 else if (!strcmp (arg, "no-gdb-backtrace"))
2717 debug_options.no_gdb_backtrace = TRUE;
2718 else if (!strcmp (arg, "suspend-on-sigsegv"))
2719 debug_options.suspend_on_sigsegv = TRUE;
2720 else if (!strcmp (arg, "suspend-on-exception"))
2721 debug_options.suspend_on_exception = TRUE;
2722 else if (!strcmp (arg, "suspend-on-unhandled"))
2723 debug_options.suspend_on_unhandled = TRUE;
2724 else if (!strcmp (arg, "dont-free-domains"))
2725 mono_dont_free_domains = TRUE;
2726 else if (!strcmp (arg, "dyn-runtime-invoke"))
2727 debug_options.dyn_runtime_invoke = TRUE;
2728 else if (!strcmp (arg, "gdb"))
2729 debug_options.gdb = TRUE;
2730 else if (!strcmp (arg, "explicit-null-checks"))
2731 debug_options.explicit_null_checks = TRUE;
2732 else if (!strcmp (arg, "gen-seq-points"))
2733 debug_options.gen_sdb_seq_points = TRUE;
2734 else if (!strcmp (arg, "gen-compact-seq-points"))
2735 debug_options.gen_seq_points_compact_data = TRUE;
2736 else if (!strcmp (arg, "init-stacks"))
2737 debug_options.init_stacks = TRUE;
2738 else if (!strcmp (arg, "casts"))
2739 debug_options.better_cast_details = TRUE;
2740 else if (!strcmp (arg, "soft-breakpoints"))
2741 debug_options.soft_breakpoints = TRUE;
2742 else if (!strcmp (arg, "check-pinvoke-callconv"))
2743 debug_options.check_pinvoke_callconv = TRUE;
2744 else if (!strcmp (arg, "debug-domain-unload"))
2745 mono_enable_debug_domain_unload (TRUE);
2746 else if (!strcmp (arg, "partial-sharing"))
2747 mono_set_partial_sharing_supported (TRUE);
2748 else if (!strcmp (arg, "align-small-structs"))
2749 mono_align_small_structs = TRUE;
2751 fprintf (stderr, "Invalid option for the MONO_DEBUG env variable: %s\n", arg);
2752 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");
2761 mini_get_debug_options (void)
2763 return &debug_options;
2767 mini_create_ftnptr (MonoDomain *domain, gpointer addr)
2769 #if !defined(__ia64__) && (!defined(__ppc64__) && !defined(__powerpc64__) || _CALL_ELF == 2)
2772 gpointer* desc = NULL;
2774 if ((desc = g_hash_table_lookup (domain->ftnptrs_hash, addr)))
2777 desc = mono_domain_code_reserve (domain, 2 * sizeof (gpointer));
2781 # elif defined(__ppc64__) || defined(__powerpc64__)
2783 desc = mono_domain_alloc0 (domain, 3 * sizeof (gpointer));
2789 g_hash_table_insert (domain->ftnptrs_hash, addr, desc);
2795 mini_get_addr_from_ftnptr (gpointer descr)
2797 #if defined(__ia64__) || ((defined(__ppc64__) || defined(__powerpc64__)) && _CALL_ELF != 2)
2798 return *(gpointer*)descr;
2805 register_jit_stats (void)
2807 mono_counters_register ("Compiled methods", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.methods_compiled);
2808 mono_counters_register ("Methods from AOT", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.methods_aot);
2809 mono_counters_register ("Methods JITted using mono JIT", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.methods_without_llvm);
2810 mono_counters_register ("Methods JITted using LLVM", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.methods_with_llvm);
2811 mono_counters_register ("Total time spent JITting (sec)", MONO_COUNTER_JIT | MONO_COUNTER_DOUBLE, &mono_jit_stats.jit_time);
2812 mono_counters_register ("Basic blocks", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.basic_blocks);
2813 mono_counters_register ("Max basic blocks", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.max_basic_blocks);
2814 mono_counters_register ("Allocated vars", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.allocate_var);
2815 mono_counters_register ("Code reallocs", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.code_reallocs);
2816 mono_counters_register ("Allocated code size", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.allocated_code_size);
2817 mono_counters_register ("Allocated seq points size", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.allocated_seq_points_size);
2818 mono_counters_register ("Inlineable methods", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.inlineable_methods);
2819 mono_counters_register ("Inlined methods", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.inlined_methods);
2820 mono_counters_register ("Regvars", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.regvars);
2821 mono_counters_register ("Locals stack size", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.locals_stack_size);
2822 mono_counters_register ("Method cache lookups", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.methods_lookups);
2823 mono_counters_register ("Compiled CIL code size", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.cil_code_size);
2824 mono_counters_register ("Native code size", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.native_code_size);
2825 mono_counters_register ("Aliases found", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.alias_found);
2826 mono_counters_register ("Aliases eliminated", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.alias_removed);
2827 mono_counters_register ("Aliased loads eliminated", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.loads_eliminated);
2828 mono_counters_register ("Aliased stores eliminated", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.stores_eliminated);
2831 static void runtime_invoke_info_free (gpointer value);
2834 class_method_pair_equal (gconstpointer ka, gconstpointer kb)
2836 const MonoClassMethodPair *apair = ka;
2837 const MonoClassMethodPair *bpair = kb;
2839 return apair->klass == bpair->klass && apair->method == bpair->method ? 1 : 0;
2843 class_method_pair_hash (gconstpointer data)
2845 const MonoClassMethodPair *pair = data;
2847 return (gsize)pair->klass ^ (gsize)pair->method;
2851 mini_create_jit_domain_info (MonoDomain *domain)
2853 MonoJitDomainInfo *info = g_new0 (MonoJitDomainInfo, 1);
2855 info->class_init_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
2856 info->jump_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
2857 info->jit_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
2858 info->delegate_trampoline_hash = g_hash_table_new (class_method_pair_hash, class_method_pair_equal);
2859 info->llvm_vcall_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
2860 info->runtime_invoke_hash = mono_conc_hashtable_new_full (&domain->lock, mono_aligned_addr_hash, NULL, NULL, runtime_invoke_info_free);
2861 info->seq_points = g_hash_table_new_full (mono_aligned_addr_hash, NULL, NULL, mono_seq_point_info_free);
2862 info->arch_seq_points = g_hash_table_new (mono_aligned_addr_hash, NULL);
2863 info->jump_target_hash = g_hash_table_new (NULL, NULL);
2865 domain->runtime_info = info;
2869 delete_jump_list (gpointer key, gpointer value, gpointer user_data)
2871 MonoJumpList *jlist = value;
2872 g_slist_free (jlist->list);
2876 delete_got_slot_list (gpointer key, gpointer value, gpointer user_data)
2878 GSList *list = value;
2879 g_slist_free (list);
2883 dynamic_method_info_free (gpointer key, gpointer value, gpointer user_data)
2885 MonoJitDynamicMethodInfo *di = value;
2886 mono_code_manager_destroy (di->code_mp);
2891 runtime_invoke_info_free (gpointer value)
2893 RuntimeInvokeInfo *info = (RuntimeInvokeInfo*)value;
2895 #ifdef MONO_ARCH_DYN_CALL_SUPPORTED
2896 if (info->dyn_call_info)
2897 mono_arch_dyn_call_free (info->dyn_call_info);
2903 mini_free_jit_domain_info (MonoDomain *domain)
2905 MonoJitDomainInfo *info = domain_jit_info (domain);
2907 g_hash_table_foreach (info->jump_target_hash, delete_jump_list, NULL);
2908 g_hash_table_destroy (info->jump_target_hash);
2909 if (info->jump_target_got_slot_hash) {
2910 g_hash_table_foreach (info->jump_target_got_slot_hash, delete_got_slot_list, NULL);
2911 g_hash_table_destroy (info->jump_target_got_slot_hash);
2913 if (info->dynamic_code_hash) {
2914 g_hash_table_foreach (info->dynamic_code_hash, dynamic_method_info_free, NULL);
2915 g_hash_table_destroy (info->dynamic_code_hash);
2917 if (info->method_code_hash)
2918 g_hash_table_destroy (info->method_code_hash);
2919 g_hash_table_destroy (info->class_init_trampoline_hash);
2920 g_hash_table_destroy (info->jump_trampoline_hash);
2921 g_hash_table_destroy (info->jit_trampoline_hash);
2922 g_hash_table_destroy (info->delegate_trampoline_hash);
2923 if (info->static_rgctx_trampoline_hash)
2924 g_hash_table_destroy (info->static_rgctx_trampoline_hash);
2925 g_hash_table_destroy (info->llvm_vcall_trampoline_hash);
2926 mono_conc_hashtable_destroy (info->runtime_invoke_hash);
2927 g_hash_table_destroy (info->seq_points);
2928 g_hash_table_destroy (info->arch_seq_points);
2929 if (info->agent_info)
2930 mono_debugger_agent_free_domain_info (domain);
2931 if (info->gsharedvt_arg_tramp_hash)
2932 g_hash_table_destroy (info->gsharedvt_arg_tramp_hash);
2934 mono_llvm_free_domain_info (domain);
2937 g_free (domain->runtime_info);
2938 domain->runtime_info = NULL;
2943 llvm_init_inner (void)
2945 if (!mono_llvm_load (NULL))
2956 * Load and initialize LLVM support.
2957 * Return TRUE on success.
2960 mini_llvm_init (void)
2963 static gboolean llvm_inited;
2964 static gboolean init_result;
2966 mono_loader_lock_if_inited ();
2968 init_result = llvm_init_inner ();
2971 mono_loader_unlock_if_inited ();
2979 mini_init (const char *filename, const char *runtime_version)
2982 MonoRuntimeCallbacks callbacks;
2983 MonoThreadInfoRuntimeCallbacks ticallbacks;
2985 MONO_VES_INIT_BEGIN ();
2987 #if defined(__linux__) && !defined(__native_client__)
2988 if (access ("/proc/self/maps", F_OK) != 0) {
2989 g_print ("Mono requires /proc to be mounted.\n");
2994 mono_mutex_init_recursive (&jit_mutex);
2996 mono_cross_helpers_run ();
3000 /* Happens when using the embedding interface */
3001 if (!default_opt_set)
3002 default_opt = mono_parse_default_optimizations (NULL);
3004 #ifdef MONO_ARCH_GSHAREDVT_SUPPORTED
3006 mono_set_generic_sharing_vt_supported (TRUE);
3009 #ifdef MONO_HAVE_FAST_TLS
3010 MONO_FAST_TLS_INIT (mono_jit_tls);
3011 MONO_FAST_TLS_INIT (mono_lmf_addr);
3012 #ifdef MONO_ARCH_ENABLE_MONO_LMF_VAR
3013 MONO_FAST_TLS_INIT (mono_lmf);
3017 mono_runtime_set_has_tls_get (MONO_ARCH_HAVE_TLS_GET);
3019 if (!global_codeman)
3020 global_codeman = mono_code_manager_new ();
3022 memset (&callbacks, 0, sizeof (callbacks));
3023 callbacks.create_ftnptr = mini_create_ftnptr;
3024 callbacks.get_addr_from_ftnptr = mini_get_addr_from_ftnptr;
3025 callbacks.get_runtime_build_info = mono_get_runtime_build_info;
3026 callbacks.set_cast_details = mono_set_cast_details;
3027 callbacks.debug_log = mono_debugger_agent_debug_log;
3028 callbacks.debug_log_is_enabled = mono_debugger_agent_debug_log_is_enabled;
3029 callbacks.tls_key_supported = mini_tls_key_supported;
3031 callbacks.get_vtable_trampoline = mini_get_vtable_trampoline;
3032 callbacks.get_imt_trampoline = mini_get_imt_trampoline;
3034 mono_install_callbacks (&callbacks);
3036 memset (&ticallbacks, 0, sizeof (ticallbacks));
3037 ticallbacks.setup_async_callback = mono_setup_async_callback;
3038 ticallbacks.thread_state_init_from_sigctx = mono_thread_state_init_from_sigctx;
3039 ticallbacks.thread_state_init_from_handle = mono_thread_state_init_from_handle;
3041 mono_counters_init ();
3043 mono_threads_runtime_init (&ticallbacks);
3045 if (g_getenv ("MONO_DEBUG") != NULL)
3046 mini_parse_debug_options ();
3048 mono_code_manager_init ();
3052 mono_arch_cpu_init ();
3056 mono_unwind_init ();
3058 #ifdef XDEBUG_ENABLED
3059 if (g_getenv ("MONO_XDEBUG")) {
3060 const char *xdebug_opts = g_getenv ("MONO_XDEBUG");
3061 mono_xdebug_init (xdebug_opts);
3062 /* So methods for multiple domains don't have the same address */
3063 mono_dont_free_domains = TRUE;
3064 mono_using_xdebug = TRUE;
3065 } else if (mini_get_debug_options ()->gdb) {
3066 mono_xdebug_init ((char*)"gdb");
3067 mono_dont_free_domains = TRUE;
3068 mono_using_xdebug = TRUE;
3073 if (mono_use_llvm) {
3074 if (!mono_llvm_load (NULL)) {
3075 mono_use_llvm = FALSE;
3076 fprintf (stderr, "Mono Warning: llvm support could not be loaded.\n");
3083 mono_trampolines_init ();
3085 mono_native_tls_alloc (&mono_jit_tls_id, NULL);
3087 if (default_opt & MONO_OPT_AOT)
3090 mono_debugger_agent_init ();
3092 #ifdef MONO_ARCH_GSHARED_SUPPORTED
3093 mono_set_generic_sharing_supported (TRUE);
3096 #ifndef MONO_CROSS_COMPILE
3097 mono_runtime_install_handlers ();
3099 mono_threads_install_cleanup (mini_thread_cleanup);
3101 #ifdef MONO_ARCH_HAVE_NOTIFY_PENDING_EXC
3102 check_for_pending_exc = FALSE;
3103 mono_threads_install_notify_pending_exc ((MonoThreadNotifyPendingExcFunc)mono_arch_notify_pending_exc);
3106 #define JIT_TRAMPOLINES_WORK
3107 #ifdef JIT_TRAMPOLINES_WORK
3108 mono_install_compile_method (mono_jit_compile_method);
3109 mono_install_free_method (mono_jit_free_method);
3110 mono_install_trampoline (mono_create_jit_trampoline);
3111 mono_install_jump_trampoline (mono_create_jump_trampoline);
3112 #ifndef DISABLE_REMOTING
3113 mono_install_remoting_trampoline (mono_jit_create_remoting_trampoline);
3115 mono_install_delegate_trampoline (mono_create_delegate_trampoline);
3116 mono_install_create_domain_hook (mini_create_jit_domain_info);
3117 mono_install_free_domain_hook (mini_free_jit_domain_info);
3119 #define JIT_INVOKE_WORKS
3120 #ifdef JIT_INVOKE_WORKS
3121 mono_install_runtime_invoke (mono_jit_runtime_invoke);
3123 mono_install_get_cached_class_info (mono_aot_get_cached_class_info);
3124 mono_install_get_class_from_name (mono_aot_get_class_from_name);
3125 mono_install_jit_info_find_in_aot (mono_aot_find_jit_info);
3127 if (debug_options.collect_pagefault_stats)
3128 mono_aot_set_make_unreadable (TRUE);
3130 if (runtime_version)
3131 domain = mono_init_version (filename, runtime_version);
3133 domain = mono_init_from_assembly (filename, filename);
3135 if (mono_aot_only) {
3136 /* This helps catch code allocation requests */
3137 mono_code_manager_set_read_only (domain->code_mp);
3138 mono_marshal_use_aot_wrappers (TRUE);
3142 mono_install_imt_thunk_builder (mono_aot_get_imt_thunk);
3144 mono_install_imt_thunk_builder (mono_arch_build_imt_thunk);
3146 /*Init arch tls information only after the metadata side is inited to make sure we see dynamic appdomain tls keys*/
3147 mono_arch_finish_init ();
3151 /* This must come after mono_init () in the aot-only case */
3152 mono_exceptions_init ();
3154 /* This should come after mono_init () too */
3158 mono_create_helper_signatures ();
3161 register_jit_stats ();
3163 #define JIT_CALLS_WORK
3164 #ifdef JIT_CALLS_WORK
3165 /* Needs to be called here since register_jit_icall depends on it */
3166 mono_marshal_init ();
3168 mono_arch_register_lowlevel_calls ();
3172 mono_generic_sharing_init ();
3175 #ifdef MONO_ARCH_SIMD_INTRINSICS
3176 mono_simd_intrinsics_init ();
3179 #if MONO_SUPPORT_TASKLETS
3180 mono_tasklets_init ();
3183 register_trampolines (domain);
3185 if (mono_compile_aot)
3187 * Avoid running managed code when AOT compiling, since the platform
3188 * might only support aot-only execution.
3190 mono_runtime_set_no_exec (TRUE);
3192 #define JIT_RUNTIME_WORKS
3193 #ifdef JIT_RUNTIME_WORKS
3194 mono_install_runtime_cleanup ((MonoDomainFunc)mini_cleanup);
3195 mono_runtime_init (domain, mono_thread_start_cb, mono_thread_attach_cb);
3196 mono_thread_attach (domain);
3199 mono_profiler_runtime_initialized ();
3201 MONO_VES_INIT_END ();
3207 register_icalls (void)
3209 mono_add_internal_call ("System.Diagnostics.StackFrame::get_frame_info",
3210 ves_icall_get_frame_info);
3211 mono_add_internal_call ("System.Diagnostics.StackTrace::get_trace",
3212 ves_icall_get_trace);
3213 mono_add_internal_call ("System.Exception::get_trace",
3214 ves_icall_System_Exception_get_trace);
3215 mono_add_internal_call ("Mono.Runtime::mono_runtime_install_handlers",
3216 mono_runtime_install_handlers);
3218 #if defined(PLATFORM_ANDROID) || defined(TARGET_ANDROID)
3219 mono_add_internal_call ("System.Diagnostics.Debugger::Mono_UnhandledException_internal",
3220 mono_debugger_agent_unhandled_exception);
3224 * It's important that we pass `TRUE` as the last argument here, as
3225 * it causes the JIT to omit a wrapper for these icalls. If the JIT
3226 * *did* emit a wrapper, we'd be looking at infinite recursion since
3227 * the wrapper would call the icall which would call the wrapper and
3230 register_icall (mono_profiler_method_enter, "mono_profiler_method_enter", "void ptr", TRUE);
3231 register_icall (mono_profiler_method_leave, "mono_profiler_method_leave", "void ptr", TRUE);
3233 register_icall (mono_trace_enter_method, "mono_trace_enter_method", NULL, TRUE);
3234 register_icall (mono_trace_leave_method, "mono_trace_leave_method", NULL, TRUE);
3235 register_icall (mono_get_lmf_addr, "mono_get_lmf_addr", "ptr", TRUE);
3236 register_icall (mono_jit_thread_attach, "mono_jit_thread_attach", "ptr ptr", TRUE);
3237 register_icall (mono_jit_set_domain, "mono_jit_set_domain", "void ptr", TRUE);
3238 register_icall (mono_domain_get, "mono_domain_get", "ptr", TRUE);
3240 register_dyn_icall (mono_get_throw_exception (), "mono_arch_throw_exception", "void object", TRUE);
3241 register_dyn_icall (mono_get_rethrow_exception (), "mono_arch_rethrow_exception", "void object", TRUE);
3242 register_dyn_icall (mono_get_throw_corlib_exception (), "mono_arch_throw_corlib_exception", "void ptr", TRUE);
3243 register_icall (mono_thread_get_undeniable_exception, "mono_thread_get_undeniable_exception", "object", FALSE);
3244 register_icall (mono_thread_interruption_checkpoint, "mono_thread_interruption_checkpoint", "object", FALSE);
3245 register_icall (mono_thread_force_interruption_checkpoint_noraise, "mono_thread_force_interruption_checkpoint_noraise", "object", FALSE);
3246 register_icall (mono_thread_force_interruption_checkpoint, "mono_thread_force_interruption_checkpoint", "void", FALSE);
3247 #ifndef DISABLE_REMOTING
3248 register_icall (mono_load_remote_field_new, "mono_load_remote_field_new", "object object ptr ptr", FALSE);
3249 register_icall (mono_store_remote_field_new, "mono_store_remote_field_new", "void object ptr ptr object", FALSE);
3252 #if defined(__native_client__) || defined(__native_client_codegen__)
3253 register_icall (mono_nacl_gc, "mono_nacl_gc", "void", FALSE);
3255 #if defined(USE_COOP_GC)
3256 register_icall (mono_threads_state_poll, "mono_threads_state_poll", "void", FALSE);
3259 #ifndef MONO_ARCH_NO_EMULATE_LONG_MUL_OPTS
3260 register_opcode_emulation (OP_LMUL, "__emul_lmul", "long long long", mono_llmult, "mono_llmult", TRUE);
3261 register_opcode_emulation (OP_LDIV, "__emul_ldiv", "long long long", mono_lldiv, "mono_lldiv", FALSE);
3262 register_opcode_emulation (OP_LDIV_UN, "__emul_ldiv_un", "long long long", mono_lldiv_un, "mono_lldiv_un", FALSE);
3263 register_opcode_emulation (OP_LREM, "__emul_lrem", "long long long", mono_llrem, "mono_llrem", FALSE);
3264 register_opcode_emulation (OP_LREM_UN, "__emul_lrem_un", "long long long", mono_llrem_un, "mono_llrem_un", FALSE);
3266 #if !defined(MONO_ARCH_NO_EMULATE_LONG_MUL_OPTS) || defined(MONO_ARCH_EMULATE_LONG_MUL_OVF_OPTS)
3267 register_opcode_emulation (OP_LMUL_OVF_UN, "__emul_lmul_ovf_un", "long long long", mono_llmult_ovf_un, "mono_llmult_ovf_un", FALSE);
3268 register_opcode_emulation (OP_LMUL_OVF, "__emul_lmul_ovf", "long long long", mono_llmult_ovf, "mono_llmult_ovf", FALSE);
3271 #ifndef MONO_ARCH_NO_EMULATE_LONG_SHIFT_OPS
3272 register_opcode_emulation (OP_LSHL, "__emul_lshl", "long long int32", mono_lshl, "mono_lshl", TRUE);
3273 register_opcode_emulation (OP_LSHR, "__emul_lshr", "long long int32", mono_lshr, "mono_lshr", TRUE);
3274 register_opcode_emulation (OP_LSHR_UN, "__emul_lshr_un", "long long int32", mono_lshr_un, "mono_lshr_un", TRUE);
3277 #if defined(MONO_ARCH_EMULATE_MUL_DIV) || defined(MONO_ARCH_EMULATE_DIV)
3278 register_opcode_emulation (OP_IDIV, "__emul_op_idiv", "int32 int32 int32", mono_idiv, "mono_idiv", FALSE);
3279 register_opcode_emulation (OP_IDIV_UN, "__emul_op_idiv_un", "int32 int32 int32", mono_idiv_un, "mono_idiv_un", FALSE);
3280 register_opcode_emulation (OP_IREM, "__emul_op_irem", "int32 int32 int32", mono_irem, "mono_irem", FALSE);
3281 register_opcode_emulation (OP_IREM_UN, "__emul_op_irem_un", "int32 int32 int32", mono_irem_un, "mono_irem_un", FALSE);
3284 #ifdef MONO_ARCH_EMULATE_MUL_DIV
3285 register_opcode_emulation (OP_IMUL, "__emul_op_imul", "int32 int32 int32", mono_imul, "mono_imul", TRUE);
3288 #if defined(MONO_ARCH_EMULATE_MUL_DIV) || defined(MONO_ARCH_EMULATE_MUL_OVF)
3289 register_opcode_emulation (OP_IMUL_OVF, "__emul_op_imul_ovf", "int32 int32 int32", mono_imul_ovf, "mono_imul_ovf", FALSE);
3290 register_opcode_emulation (OP_IMUL_OVF_UN, "__emul_op_imul_ovf_un", "int32 int32 int32", mono_imul_ovf_un, "mono_imul_ovf_un", FALSE);
3293 #if defined(MONO_ARCH_EMULATE_MUL_DIV) || defined(MONO_ARCH_SOFT_FLOAT_FALLBACK)
3294 if (ARCH_EMULATE_MUL_DIV || mono_arch_is_soft_float ()) {
3295 register_opcode_emulation (OP_FDIV, "__emul_fdiv", "double double double", mono_fdiv, "mono_fdiv", FALSE);
3299 register_opcode_emulation (OP_FCONV_TO_U8, "__emul_fconv_to_u8", "ulong double", mono_fconv_u8, "mono_fconv_u8", FALSE);
3300 register_opcode_emulation (OP_FCONV_TO_U4, "__emul_fconv_to_u4", "uint32 double", mono_fconv_u4, "mono_fconv_u4", FALSE);
3301 register_opcode_emulation (OP_FCONV_TO_OVF_I8, "__emul_fconv_to_ovf_i8", "long double", mono_fconv_ovf_i8, "mono_fconv_ovf_i8", FALSE);
3302 register_opcode_emulation (OP_FCONV_TO_OVF_U8, "__emul_fconv_to_ovf_u8", "ulong double", mono_fconv_ovf_u8, "mono_fconv_ovf_u8", FALSE);
3303 register_opcode_emulation (OP_RCONV_TO_OVF_I8, "__emul_rconv_to_ovf_i8", "long float", mono_rconv_ovf_i8, "mono_rconv_ovf_i8", FALSE);
3304 register_opcode_emulation (OP_RCONV_TO_OVF_U8, "__emul_rconv_to_ovf_u8", "ulong float", mono_rconv_ovf_u8, "mono_rconv_ovf_u8", FALSE);
3306 #ifdef MONO_ARCH_EMULATE_FCONV_TO_I8
3307 register_opcode_emulation (OP_FCONV_TO_I8, "__emul_fconv_to_i8", "long double", mono_fconv_i8, "mono_fconv_i8", FALSE);
3308 register_opcode_emulation (OP_RCONV_TO_I8, "__emul_rconv_to_i8", "long float", mono_rconv_i8, "mono_rconv_i8", FALSE);
3310 #ifdef MONO_ARCH_EMULATE_CONV_R8_UN
3311 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);
3313 #ifdef MONO_ARCH_EMULATE_LCONV_TO_R8
3314 register_opcode_emulation (OP_LCONV_TO_R8, "__emul_lconv_to_r8", "double long", mono_lconv_to_r8, "mono_lconv_to_r8", FALSE);
3316 #ifdef MONO_ARCH_EMULATE_LCONV_TO_R4
3317 register_opcode_emulation (OP_LCONV_TO_R4, "__emul_lconv_to_r4", "float long", mono_lconv_to_r4, "mono_lconv_to_r4", FALSE);
3319 #ifdef MONO_ARCH_EMULATE_LCONV_TO_R8_UN
3320 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);
3322 #ifdef MONO_ARCH_EMULATE_FREM
3323 #if defined(__default_codegen__)
3324 register_opcode_emulation (OP_FREM, "__emul_frem", "double double double", fmod, "fmod", FALSE);
3325 register_opcode_emulation (OP_RREM, "__emul_rrem", "float float float", fmodf, "fmodf", FALSE);
3326 #elif defined(__native_client_codegen__)
3327 register_opcode_emulation (OP_FREM, "__emul_frem", "double double double", mono_fmod, "mono_fmod", FALSE);
3331 #ifdef MONO_ARCH_SOFT_FLOAT_FALLBACK
3332 if (mono_arch_is_soft_float ()) {
3333 register_opcode_emulation (OP_FSUB, "__emul_fsub", "double double double", mono_fsub, "mono_fsub", FALSE);
3334 register_opcode_emulation (OP_FADD, "__emul_fadd", "double double double", mono_fadd, "mono_fadd", FALSE);
3335 register_opcode_emulation (OP_FMUL, "__emul_fmul", "double double double", mono_fmul, "mono_fmul", FALSE);
3336 register_opcode_emulation (OP_FNEG, "__emul_fneg", "double double", mono_fneg, "mono_fneg", FALSE);
3337 register_opcode_emulation (OP_ICONV_TO_R8, "__emul_iconv_to_r8", "double int32", mono_conv_to_r8, "mono_conv_to_r8", FALSE);
3338 register_opcode_emulation (OP_ICONV_TO_R4, "__emul_iconv_to_r4", "double int32", mono_conv_to_r4, "mono_conv_to_r4", FALSE);
3339 register_opcode_emulation (OP_FCONV_TO_R4, "__emul_fconv_to_r4", "double double", mono_fconv_r4, "mono_fconv_r4", FALSE);
3340 register_opcode_emulation (OP_FCONV_TO_I1, "__emul_fconv_to_i1", "int8 double", mono_fconv_i1, "mono_fconv_i1", FALSE);
3341 register_opcode_emulation (OP_FCONV_TO_I2, "__emul_fconv_to_i2", "int16 double", mono_fconv_i2, "mono_fconv_i2", FALSE);
3342 register_opcode_emulation (OP_FCONV_TO_I4, "__emul_fconv_to_i4", "int32 double", mono_fconv_i4, "mono_fconv_i4", FALSE);
3343 register_opcode_emulation (OP_FCONV_TO_U1, "__emul_fconv_to_u1", "uint8 double", mono_fconv_u1, "mono_fconv_u1", FALSE);
3344 register_opcode_emulation (OP_FCONV_TO_U2, "__emul_fconv_to_u2", "uint16 double", mono_fconv_u2, "mono_fconv_u2", FALSE);
3346 #if SIZEOF_VOID_P == 4
3347 register_opcode_emulation (OP_FCONV_TO_I, "__emul_fconv_to_i", "int32 double", mono_fconv_i4, "mono_fconv_i4", FALSE);
3350 register_opcode_emulation (OP_FBEQ, "__emul_fcmp_eq", "uint32 double double", mono_fcmp_eq, "mono_fcmp_eq", FALSE);
3351 register_opcode_emulation (OP_FBLT, "__emul_fcmp_lt", "uint32 double double", mono_fcmp_lt, "mono_fcmp_lt", FALSE);
3352 register_opcode_emulation (OP_FBGT, "__emul_fcmp_gt", "uint32 double double", mono_fcmp_gt, "mono_fcmp_gt", FALSE);
3353 register_opcode_emulation (OP_FBLE, "__emul_fcmp_le", "uint32 double double", mono_fcmp_le, "mono_fcmp_le", FALSE);
3354 register_opcode_emulation (OP_FBGE, "__emul_fcmp_ge", "uint32 double double", mono_fcmp_ge, "mono_fcmp_ge", FALSE);
3355 register_opcode_emulation (OP_FBNE_UN, "__emul_fcmp_ne_un", "uint32 double double", mono_fcmp_ne_un, "mono_fcmp_ne_un", FALSE);
3356 register_opcode_emulation (OP_FBLT_UN, "__emul_fcmp_lt_un", "uint32 double double", mono_fcmp_lt_un, "mono_fcmp_lt_un", FALSE);
3357 register_opcode_emulation (OP_FBGT_UN, "__emul_fcmp_gt_un", "uint32 double double", mono_fcmp_gt_un, "mono_fcmp_gt_un", FALSE);
3358 register_opcode_emulation (OP_FBLE_UN, "__emul_fcmp_le_un", "uint32 double double", mono_fcmp_le_un, "mono_fcmp_le_un", FALSE);
3359 register_opcode_emulation (OP_FBGE_UN, "__emul_fcmp_ge_un", "uint32 double double", mono_fcmp_ge_un, "mono_fcmp_ge_un", FALSE);
3361 register_opcode_emulation (OP_FCEQ, "__emul_fcmp_ceq", "uint32 double double", mono_fceq, "mono_fceq", FALSE);
3362 register_opcode_emulation (OP_FCGT, "__emul_fcmp_cgt", "uint32 double double", mono_fcgt, "mono_fcgt", FALSE);
3363 register_opcode_emulation (OP_FCGT_UN, "__emul_fcmp_cgt_un", "uint32 double double", mono_fcgt_un, "mono_fcgt_un", FALSE);
3364 register_opcode_emulation (OP_FCLT, "__emul_fcmp_clt", "uint32 double double", mono_fclt, "mono_fclt", FALSE);
3365 register_opcode_emulation (OP_FCLT_UN, "__emul_fcmp_clt_un", "uint32 double double", mono_fclt_un, "mono_fclt_un", FALSE);
3367 register_icall (mono_fload_r4, "mono_fload_r4", "double ptr", FALSE);
3368 register_icall (mono_fstore_r4, "mono_fstore_r4", "void double ptr", FALSE);
3369 register_icall (mono_fload_r4_arg, "mono_fload_r4_arg", "uint32 double", FALSE);
3370 register_icall (mono_isfinite, "mono_isfinite", "uint32 double", FALSE);
3374 #ifdef COMPRESSED_INTERFACE_BITMAP
3375 register_icall (mono_class_interface_match, "mono_class_interface_match", "uint32 ptr int32", TRUE);
3378 #if SIZEOF_REGISTER == 4
3379 register_opcode_emulation (OP_FCONV_TO_U, "__emul_fconv_to_u", "uint32 double", mono_fconv_u4, "mono_fconv_u4", TRUE);
3381 register_opcode_emulation (OP_FCONV_TO_U, "__emul_fconv_to_u", "ulong double", mono_fconv_u8, "mono_fconv_u8", TRUE);
3384 /* other jit icalls */
3385 register_icall (mono_delegate_ctor, "mono_delegate_ctor", "void object object ptr", FALSE);
3386 register_icall (mono_class_static_field_address , "mono_class_static_field_address",
3387 "ptr ptr ptr", FALSE);
3388 register_icall (mono_ldtoken_wrapper, "mono_ldtoken_wrapper", "ptr ptr ptr ptr", FALSE);
3389 register_icall (mono_ldtoken_wrapper_generic_shared, "mono_ldtoken_wrapper_generic_shared",
3390 "ptr ptr ptr ptr", FALSE);
3391 register_icall (mono_get_special_static_data, "mono_get_special_static_data", "ptr int", FALSE);
3392 register_icall (mono_ldstr, "mono_ldstr", "object ptr ptr int32", FALSE);
3393 register_icall (mono_helper_stelem_ref_check, "mono_helper_stelem_ref_check", "void object object", FALSE);
3394 register_icall (mono_object_new, "mono_object_new", "object ptr ptr", FALSE);
3395 register_icall (mono_object_new_specific, "mono_object_new_specific", "object ptr", FALSE);
3396 register_icall (mono_array_new, "mono_array_new", "object ptr ptr int32", FALSE);
3397 register_icall (mono_array_new_specific, "mono_array_new_specific", "object ptr int32", FALSE);
3398 register_icall (mono_runtime_class_init, "mono_runtime_class_init", "void ptr", FALSE);
3399 register_icall (mono_ldftn, "mono_ldftn", "ptr ptr", FALSE);
3400 register_icall (mono_ldvirtfn, "mono_ldvirtfn", "ptr object ptr", FALSE);
3401 register_icall (mono_ldvirtfn_gshared, "mono_ldvirtfn_gshared", "ptr object ptr", FALSE);
3402 register_icall (mono_helper_compile_generic_method, "mono_helper_compile_generic_method", "ptr object ptr ptr", FALSE);
3403 register_icall (mono_helper_ldstr, "mono_helper_ldstr", "object ptr int", FALSE);
3404 register_icall (mono_helper_ldstr_mscorlib, "mono_helper_ldstr_mscorlib", "object int", FALSE);
3405 register_icall (mono_helper_newobj_mscorlib, "mono_helper_newobj_mscorlib", "object int", FALSE);
3406 register_icall (mono_value_copy, "mono_value_copy", "void ptr ptr ptr", FALSE);
3407 register_icall (mono_object_castclass_unbox, "mono_object_castclass_unbox", "object object ptr", FALSE);
3408 register_icall (mono_break, "mono_break", NULL, TRUE);
3409 register_icall (mono_create_corlib_exception_0, "mono_create_corlib_exception_0", "object int", TRUE);
3410 register_icall (mono_create_corlib_exception_1, "mono_create_corlib_exception_1", "object int object", TRUE);
3411 register_icall (mono_create_corlib_exception_2, "mono_create_corlib_exception_2", "object int object object", TRUE);
3412 register_icall (mono_array_new_1, "mono_array_new_1", "object ptr int", FALSE);
3413 register_icall (mono_array_new_2, "mono_array_new_2", "object ptr int int", FALSE);
3414 register_icall (mono_array_new_3, "mono_array_new_3", "object ptr int int int", FALSE);
3415 register_icall (mono_array_new_4, "mono_array_new_4", "object ptr int int int int", FALSE);
3416 register_icall (mono_get_native_calli_wrapper, "mono_get_native_calli_wrapper", "ptr ptr ptr ptr", FALSE);
3417 register_icall (mono_resume_unwind, "mono_resume_unwind", "void", TRUE);
3418 register_icall (mono_gsharedvt_constrained_call, "mono_gsharedvt_constrained_call", "object ptr ptr ptr ptr ptr", FALSE);
3419 register_icall (mono_gsharedvt_value_copy, "mono_gsharedvt_value_copy", "void ptr ptr ptr", TRUE);
3421 register_icall (mono_gc_wbarrier_value_copy_bitmap, "mono_gc_wbarrier_value_copy_bitmap", "void ptr ptr int int", FALSE);
3423 register_icall (mono_object_castclass_with_cache, "mono_object_castclass_with_cache", "object object ptr ptr", FALSE);
3424 register_icall (mono_object_isinst_with_cache, "mono_object_isinst_with_cache", "object object ptr ptr", FALSE);
3425 register_icall (mono_generic_class_init, "mono_generic_class_init", "void ptr", FALSE);
3427 register_icall (mono_debugger_agent_user_break, "mono_debugger_agent_user_break", "void", FALSE);
3428 register_dyn_icall (mono_create_specific_trampoline (NULL, MONO_TRAMPOLINE_GENERIC_CLASS_INIT, mono_get_root_domain (), NULL),
3429 "specific_trampoline_generic_class_init", "void", TRUE);
3432 register_icall (pthread_getspecific, "pthread_getspecific", "ptr ptr", TRUE);
3436 MonoJitStats mono_jit_stats = {0};
3439 print_jit_stats (void)
3441 if (mono_jit_stats.enabled) {
3442 g_print ("Mono Jit statistics\n");
3443 g_print ("Max code size ratio: %.2f (%s)\n", mono_jit_stats.max_code_size_ratio/100.0,
3444 mono_jit_stats.max_ratio_method);
3445 g_print ("Biggest method: %ld (%s)\n", mono_jit_stats.biggest_method_size,
3446 mono_jit_stats.biggest_method);
3448 g_print ("Delegates created: %ld\n", mono_stats.delegate_creations);
3449 g_print ("Initialized classes: %ld\n", mono_stats.initialized_class_count);
3450 g_print ("Used classes: %ld\n", mono_stats.used_class_count);
3451 g_print ("Generic vtables: %ld\n", mono_stats.generic_vtable_count);
3452 g_print ("Methods: %ld\n", mono_stats.method_count);
3453 g_print ("Static data size: %ld\n", mono_stats.class_static_data_size);
3454 g_print ("VTable data size: %ld\n", mono_stats.class_vtable_size);
3455 g_print ("Mscorlib mempool size: %d\n", mono_mempool_get_allocated (mono_defaults.corlib->mempool));
3457 g_print ("\nInitialized classes: %ld\n", mono_stats.generic_class_count);
3458 g_print ("Inflated types: %ld\n", mono_stats.inflated_type_count);
3459 g_print ("Generics virtual invokes: %ld\n", mono_jit_stats.generic_virtual_invocations);
3461 g_print ("Sharable generic methods: %ld\n", mono_stats.generics_sharable_methods);
3462 g_print ("Unsharable generic methods: %ld\n", mono_stats.generics_unsharable_methods);
3463 g_print ("Shared generic methods: %ld\n", mono_stats.generics_shared_methods);
3464 g_print ("Shared vtype generic methods: %ld\n", mono_stats.gsharedvt_methods);
3466 g_print ("IMT tables size: %ld\n", mono_stats.imt_tables_size);
3467 g_print ("IMT number of tables: %ld\n", mono_stats.imt_number_of_tables);
3468 g_print ("IMT number of methods: %ld\n", mono_stats.imt_number_of_methods);
3469 g_print ("IMT used slots: %ld\n", mono_stats.imt_used_slots);
3470 g_print ("IMT colliding slots: %ld\n", mono_stats.imt_slots_with_collisions);
3471 g_print ("IMT max collisions: %ld\n", mono_stats.imt_max_collisions_in_slot);
3472 g_print ("IMT methods at max col: %ld\n", mono_stats.imt_method_count_when_max_collisions);
3473 g_print ("IMT thunks size: %ld\n", mono_stats.imt_thunks_size);
3475 g_print ("JIT info table inserts: %ld\n", mono_stats.jit_info_table_insert_count);
3476 g_print ("JIT info table removes: %ld\n", mono_stats.jit_info_table_remove_count);
3477 g_print ("JIT info table lookups: %ld\n", mono_stats.jit_info_table_lookup_count);
3479 g_free (mono_jit_stats.max_ratio_method);
3480 mono_jit_stats.max_ratio_method = NULL;
3481 g_free (mono_jit_stats.biggest_method);
3482 mono_jit_stats.biggest_method = NULL;
3487 mini_cleanup (MonoDomain *domain)
3489 mono_runtime_shutdown_stat_profiler ();
3492 cominterop_release_all_rcws ();
3495 #ifndef MONO_CROSS_COMPILE
3497 * mono_domain_finalize () needs to be called early since it needs the
3498 * execution engine still fully working (it may invoke managed finalizers).
3500 mono_domain_finalize (domain, 2000);
3503 /* This accesses metadata so needs to be called before runtime shutdown */
3506 mono_profiler_shutdown ();
3508 #ifndef MONO_CROSS_COMPILE
3509 mono_runtime_cleanup (domain);
3512 free_jit_tls_data (mono_native_tls_get_value (mono_jit_tls_id));
3514 mono_icall_cleanup ();
3516 mono_runtime_cleanup_handlers ();
3518 #ifndef MONO_CROSS_COMPILE
3519 mono_domain_free (domain, TRUE);
3524 mono_llvm_cleanup ();
3527 mono_aot_cleanup ();
3529 mono_trampolines_cleanup ();
3531 mono_unwind_cleanup ();
3533 mono_code_manager_destroy (global_codeman);
3534 g_free (vtable_trampolines);
3536 mini_jit_cleanup ();
3538 mono_tramp_info_cleanup ();
3540 mono_arch_cleanup ();
3542 mono_generic_sharing_cleanup ();
3546 mono_trace_cleanup ();
3548 mono_counters_dump (MONO_COUNTER_SECTION_MASK | MONO_COUNTER_MONOTONIC, stdout);
3550 if (mono_inject_async_exc_method)
3551 mono_method_desc_free (mono_inject_async_exc_method);
3553 mono_native_tls_free (mono_jit_tls_id);
3555 mono_mutex_destroy (&jit_mutex);
3557 mono_mutex_destroy (&mono_delegate_section);
3559 mono_code_manager_cleanup ();
3561 #ifdef USE_JUMP_TABLES
3562 mono_jumptable_cleanup ();
3567 mono_set_defaults (int verbose_level, guint32 opts)
3569 mini_verbose = verbose_level;
3570 mono_set_optimizations (opts);
3574 mono_disable_optimizations (guint32 opts)
3576 default_opt &= ~opts;
3580 mono_set_optimizations (guint32 opts)
3583 default_opt_set = TRUE;
3584 #ifdef MONO_ARCH_GSHAREDVT_SUPPORTED
3585 mono_set_generic_sharing_vt_supported (mono_aot_only || ((default_opt & MONO_OPT_GSHAREDVT) != 0));
3590 mono_set_verbose_level (guint32 level)
3592 mini_verbose = level;
3596 * mono_get_runtime_build_info:
3598 * Return the runtime version + build date in string format.
3599 * The returned string is owned by the caller. The returned string
3600 * format is "VERSION (FULL_VERSION BUILD_DATE)" and build date is optional.
3603 mono_get_runtime_build_info (void)
3605 if (mono_build_date)
3606 return g_strdup_printf ("%s (%s %s)", VERSION, FULL_VERSION, mono_build_date);
3608 return g_strdup_printf ("%s (%s)", VERSION, FULL_VERSION);
3612 mono_precompile_assembly (MonoAssembly *ass, void *user_data)
3614 GHashTable *assemblies = (GHashTable*)user_data;
3615 MonoImage *image = mono_assembly_get_image (ass);
3616 MonoMethod *method, *invoke;
3619 if (g_hash_table_lookup (assemblies, ass))
3622 g_hash_table_insert (assemblies, ass, ass);
3624 if (mini_verbose > 0)
3625 printf ("PRECOMPILE: %s.\n", mono_image_get_filename (image));
3627 for (i = 0; i < mono_image_get_table_rows (image, MONO_TABLE_METHOD); ++i) {
3628 method = mono_get_method (image, MONO_TOKEN_METHOD_DEF | (i + 1), NULL);
3629 if (method->flags & METHOD_ATTRIBUTE_ABSTRACT)
3631 if (method->is_generic || method->klass->generic_container)
3635 if (mini_verbose > 1) {
3636 char * desc = mono_method_full_name (method, TRUE);
3637 g_print ("Compiling %d %s\n", count, desc);
3640 mono_compile_method (method);
3641 if (strcmp (method->name, "Finalize") == 0) {
3642 invoke = mono_marshal_get_runtime_invoke (method, FALSE);
3643 mono_compile_method (invoke);
3645 #ifndef DISABLE_REMOTING
3646 if (mono_class_is_marshalbyref (method->klass) && mono_method_signature (method)->hasthis) {
3647 invoke = mono_marshal_get_remoting_invoke_with_check (method);
3648 mono_compile_method (invoke);
3653 /* Load and precompile referenced assemblies as well */
3654 for (i = 0; i < mono_image_get_table_rows (image, MONO_TABLE_ASSEMBLYREF); ++i) {
3655 mono_assembly_load_reference (image, i);
3656 if (image->references [i])
3657 mono_precompile_assembly (image->references [i], assemblies);
3661 void mono_precompile_assemblies ()
3663 GHashTable *assemblies = g_hash_table_new (NULL, NULL);
3665 mono_assembly_foreach ((GFunc)mono_precompile_assembly, assemblies);
3667 g_hash_table_destroy (assemblies);
3670 #ifdef USE_JUMP_TABLES
3671 #define DEFAULT_JUMPTABLE_CHUNK_ELEMENTS 128
3673 typedef struct MonoJumpTableChunk {
3676 struct MonoJumpTableChunk *previous;
3677 /* gpointer entries[total]; */
3678 } MonoJumpTableChunk;
3680 static MonoJumpTableChunk* g_jumptable;
3681 #define mono_jumptable_lock() mono_mutex_lock (&jumptable_mutex)
3682 #define mono_jumptable_unlock() mono_mutex_unlock (&jumptable_mutex)
3683 static mono_mutex_t jumptable_mutex;
3685 static MonoJumpTableChunk*
3686 mono_create_jumptable_chunk (guint32 max_entries)
3688 guint32 size = sizeof (MonoJumpTableChunk) + max_entries * sizeof(gpointer);
3689 MonoJumpTableChunk *chunk = (MonoJumpTableChunk*) g_new0 (guchar, size);
3690 chunk->total = max_entries;
3695 mono_jumptable_init (void)
3697 if (g_jumptable == NULL) {
3698 mono_mutex_init_recursive (&jumptable_mutex);
3699 g_jumptable = mono_create_jumptable_chunk (DEFAULT_JUMPTABLE_CHUNK_ELEMENTS);
3704 mono_jumptable_add_entry (void)
3706 return mono_jumptable_add_entries (1);
3710 mono_jumptable_add_entries (guint32 entries)
3715 mono_jumptable_init ();
3716 mono_jumptable_lock ();
3717 index = g_jumptable->active;
3718 if (index + entries >= g_jumptable->total) {
3720 * Grow jumptable, by adding one more chunk.
3721 * We cannot realloc jumptable, as there could be pointers
3722 * to existing jump table entries in the code, so instead
3723 * we just add one more chunk.
3725 guint32 max_entries = entries;
3726 MonoJumpTableChunk *new_chunk;
3728 if (max_entries < DEFAULT_JUMPTABLE_CHUNK_ELEMENTS)
3729 max_entries = DEFAULT_JUMPTABLE_CHUNK_ELEMENTS;
3730 new_chunk = mono_create_jumptable_chunk (max_entries);
3731 /* Link old jumptable, so that we could free it up later. */
3732 new_chunk->previous = g_jumptable;
3733 g_jumptable = new_chunk;
3736 g_jumptable->active = index + entries;
3737 result = (gpointer*)((guchar*)g_jumptable + sizeof(MonoJumpTableChunk)) + index;
3738 mono_jumptable_unlock();
3744 mono_jumptable_cleanup (void)
3747 MonoJumpTableChunk *current = g_jumptable, *prev;
3748 while (current != NULL) {
3749 prev = current->previous;
3754 mono_mutex_destroy (&jumptable_mutex);
3759 mono_jumptable_get_entry (guint8 *code_ptr)
3761 return mono_arch_jumptable_entry_from_code (code_ptr);