2 * mini-runtime.c: Runtime code for the JIT
5 * Paolo Molaro (lupus@ximian.com)
6 * Dietmar Maurer (dietmar@ximian.com)
8 * Copyright 2002-2003 Ximian, Inc.
9 * Copyright 2003-2010 Novell, Inc.
10 * Copyright 2011-2015 Xamarin, Inc (http://www.xamarin.com)
21 #ifdef HAVE_SYS_TIME_H
28 #include <mono/utils/memcheck.h>
30 #include <mono/metadata/assembly.h>
31 #include <mono/metadata/loader.h>
32 #include <mono/metadata/tabledefs.h>
33 #include <mono/metadata/class.h>
34 #include <mono/metadata/object.h>
35 #include <mono/metadata/tokentype.h>
36 #include <mono/metadata/tabledefs.h>
37 #include <mono/metadata/threads.h>
38 #include <mono/metadata/appdomain.h>
39 #include <mono/metadata/debug-helpers.h>
40 #include "mono/metadata/profiler.h"
41 #include <mono/metadata/profiler-private.h>
42 #include <mono/metadata/mono-config.h>
43 #include <mono/metadata/environment.h>
44 #include <mono/metadata/mono-debug.h>
45 #include <mono/metadata/gc-internal.h>
46 #include <mono/metadata/threads-types.h>
47 #include <mono/metadata/mempool-internals.h>
48 #include <mono/metadata/attach.h>
49 #include <mono/metadata/runtime.h>
50 #include <mono/utils/mono-math.h>
51 #include <mono/utils/mono-compiler.h>
52 #include <mono/utils/mono-counters.h>
53 #include <mono/utils/mono-error-internals.h>
54 #include <mono/utils/mono-logger-internal.h>
55 #include <mono/utils/mono-mmap.h>
56 #include <mono/utils/mono-path.h>
57 #include <mono/utils/mono-tls.h>
58 #include <mono/utils/mono-hwcap.h>
59 #include <mono/utils/dtrace.h>
60 #include <mono/utils/mono-signal-handler.h>
61 #include <mono/utils/mono-threads.h>
62 #include <mono/utils/checked-build.h>
63 #include <mono/io-layer/io-layer.h>
66 #include "seq-points.h"
73 #include "jit-icalls.h"
76 #include "debugger-agent.h"
78 static guint32 default_opt = 0;
79 static gboolean default_opt_set = FALSE;
81 MonoNativeTlsKey mono_jit_tls_id;
83 #ifdef MONO_HAVE_FAST_TLS
84 MONO_FAST_TLS_DECLARE(mono_jit_tls);
87 gboolean mono_compile_aot = FALSE;
88 /* If this is set, no code is generated dynamically, everything is taken from AOT files */
89 gboolean mono_aot_only = FALSE;
90 /* Same as mono_aot_only, but only LLVM compiled code is used, no trampolines */
91 gboolean mono_llvm_only = FALSE;
92 MonoAotMode mono_aot_mode = MONO_AOT_MODE_NONE;
94 const char *mono_build_date;
95 gboolean mono_do_signal_chaining;
96 gboolean mono_do_crash_chaining;
100 * This flag controls whenever the runtime uses LLVM for JIT compilation, and whenever
101 * it can load AOT code compiled by LLVM.
103 gboolean mono_use_llvm = FALSE;
105 #define mono_jit_lock() mono_mutex_lock (&jit_mutex)
106 #define mono_jit_unlock() mono_mutex_unlock (&jit_mutex)
107 static mono_mutex_t jit_mutex;
109 static MonoCodeManager *global_codeman;
111 MonoDebugOptions debug_options;
113 #ifdef VALGRIND_JIT_REGISTER_MAP
114 int valgrind_register;
117 static GSList *tramp_infos;
119 static void register_icalls (void);
122 mono_running_on_valgrind (void)
125 if (RUNNING_ON_VALGRIND){
126 #ifdef VALGRIND_JIT_REGISTER_MAP
127 valgrind_register = TRUE;
141 find_tramp (gpointer key, gpointer value, gpointer user_data)
143 FindTrampUserData *ud = (FindTrampUserData*)user_data;
146 ud->method = (MonoMethod*)key;
150 G_GNUC_UNUSED static char*
151 get_method_from_ip (void *ip)
156 MonoDomain *domain = mono_domain_get ();
157 MonoDebugSourceLocation *location;
158 FindTrampUserData user_data;
161 domain = mono_get_root_domain ();
163 ji = mono_jit_info_table_find_internal (domain, ip, TRUE, TRUE);
166 user_data.method = NULL;
167 mono_domain_lock (domain);
168 g_hash_table_foreach (domain_jit_info (domain)->jit_trampoline_hash, find_tramp, &user_data);
169 mono_domain_unlock (domain);
170 if (user_data.method) {
171 char *mname = mono_method_full_name (user_data.method, TRUE);
172 res = g_strdup_printf ("<%p - JIT trampoline for %s>", ip, mname);
178 } else if (ji->is_trampoline) {
179 res = g_strdup_printf ("<%p - %s trampoline>", ip, ((MonoTrampInfo*)ji->d.tramp_info)->name);
183 method = mono_method_full_name (jinfo_get_method (ji), TRUE);
184 /* FIXME: unused ? */
185 location = mono_debug_lookup_source_location (jinfo_get_method (ji), (guint32)((guint8*)ip - (guint8*)ji->code_start), domain);
187 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);
189 mono_debug_free_source_location (location);
197 * @ip: an instruction pointer address
199 * This method is used from a debugger to get the name of the
200 * method at address @ip. This routine is typically invoked from
201 * a debugger like this:
203 * (gdb) print mono_pmip ($pc)
205 * Returns: the name of the method at address @ip.
210 return get_method_from_ip (ip);
214 * mono_print_method_from_ip
215 * @ip: an instruction pointer address
217 * This method is used from a debugger to get the name of the
218 * method at address @ip.
220 * This prints the name of the method at address @ip in the standard
221 * output. Unlike mono_pmip which returns a string, this routine
222 * prints the value on the standard output.
225 /* Prevent the linker from optimizing this away in embedding setups to help debugging */
226 __attribute__((used))
229 mono_print_method_from_ip (void *ip)
233 MonoDebugSourceLocation *source;
234 MonoDomain *domain = mono_domain_get ();
235 MonoDomain *target_domain = mono_domain_get ();
236 FindTrampUserData user_data;
237 MonoGenericSharingContext*gsctx;
238 const char *shared_type;
240 ji = mini_jit_info_table_find_ext (domain, ip, TRUE, &target_domain);
241 if (ji && ji->is_trampoline) {
242 MonoTrampInfo *tinfo = ji->d.tramp_info;
244 printf ("IP %p is at offset 0x%x of trampoline '%s'.\n", ip, (int)((guint8*)ip - tinfo->code), tinfo->name);
250 user_data.method = NULL;
251 mono_domain_lock (domain);
252 g_hash_table_foreach (domain_jit_info (domain)->jit_trampoline_hash, find_tramp, &user_data);
253 mono_domain_unlock (domain);
255 if (user_data.method) {
256 char *mname = mono_method_full_name (user_data.method, TRUE);
257 printf ("IP %p is a JIT trampoline for %s\n", ip, mname);
262 g_print ("No method at %p\n", ip);
266 method = mono_method_full_name (jinfo_get_method (ji), TRUE);
267 source = mono_debug_lookup_source_location (jinfo_get_method (ji), (guint32)((guint8*)ip - (guint8*)ji->code_start), target_domain);
269 gsctx = mono_jit_info_get_generic_sharing_context (ji);
272 if (gsctx->is_gsharedvt)
273 shared_type = "gsharedvt ";
275 shared_type = "gshared ";
278 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);
281 g_print ("%s:%d\n", source->source_file, source->row);
284 mono_debug_free_source_location (source);
289 * mono_method_same_domain:
291 * Determine whenever two compiled methods are in the same domain, thus
292 * the address of the callee can be embedded in the caller.
294 gboolean mono_method_same_domain (MonoJitInfo *caller, MonoJitInfo *callee)
298 if (!caller || caller->is_trampoline || !callee || callee->is_trampoline)
302 * If the call was made from domain-neutral to domain-specific
303 * code, we can't patch the call site.
305 if (caller->domain_neutral && !callee->domain_neutral)
308 cmethod = jinfo_get_method (caller);
309 if ((cmethod->klass == mono_defaults.appdomain_class) &&
310 (strstr (cmethod->name, "InvokeInDomain"))) {
311 /* The InvokeInDomain methods change the current appdomain */
319 * mono_global_codeman_reserve:
321 * Allocate code memory from the global code manager.
323 void *mono_global_codeman_reserve (int size)
328 g_error ("Attempting to allocate from the global code manager while running with --aot-only.\n");
330 if (!global_codeman) {
331 /* This can happen during startup */
332 global_codeman = mono_code_manager_new ();
333 return mono_code_manager_reserve (global_codeman, size);
337 ptr = mono_code_manager_reserve (global_codeman, size);
343 #if defined(__native_client_codegen__) && defined(__native_client__)
347 #ifdef __native_client_gc__
348 __nacl_suspend_thread_if_needed();
352 /* Given the temporary buffer (allocated by mono_global_codeman_reserve) into
353 * which we are generating code, return a pointer to the destination in the
354 * dynamic code segment into which the code will be copied when
355 * mono_global_codeman_commit is called.
356 * LOCKING: Acquires the jit lock.
359 nacl_global_codeman_get_dest (void *data)
363 dest = nacl_code_manager_get_code_dest (global_codeman, data);
369 mono_global_codeman_commit (void *data, int size, int newsize)
372 mono_code_manager_commit (global_codeman, data, size, newsize);
377 * Convenience function which calls mono_global_codeman_commit to validate and
378 * copy the code. The caller sets *buf_base and *buf_size to the start and size
379 * of the buffer (allocated by mono_global_codeman_reserve), and *code_end to
380 * the byte after the last instruction byte. On return, *buf_base will point to
381 * the start of the copied in the code segment, and *code_end will point after
382 * the end of the copied code.
385 nacl_global_codeman_validate (guint8 **buf_base, int buf_size, guint8 **code_end)
387 guint8 *tmp = nacl_global_codeman_get_dest (*buf_base);
388 mono_global_codeman_commit (*buf_base, buf_size, *code_end - *buf_base);
389 *code_end = tmp + (*code_end - *buf_base);
393 /* no-op versions of Native Client functions */
395 nacl_global_codeman_get_dest (void *data)
401 mono_global_codeman_commit (void *data, int size, int newsize)
406 nacl_global_codeman_validate (guint8 **buf_base, int buf_size, guint8 **code_end)
410 #endif /* __native_client__ */
413 * mono_create_unwind_op:
415 * Create an unwind op with the given parameters.
418 mono_create_unwind_op (int when, int tag, int reg, int val)
420 MonoUnwindOp *op = g_new0 (MonoUnwindOp, 1);
431 mono_jump_info_token_new2 (MonoMemPool *mp, MonoImage *image, guint32 token, MonoGenericContext *context)
433 MonoJumpInfoToken *res = mono_mempool_alloc0 (mp, sizeof (MonoJumpInfoToken));
436 res->has_context = context != NULL;
438 memcpy (&res->context, context, sizeof (MonoGenericContext));
444 mono_jump_info_token_new (MonoMemPool *mp, MonoImage *image, guint32 token)
446 return mono_jump_info_token_new2 (mp, image, token, NULL);
450 * mono_tramp_info_create:
452 * Create a MonoTrampInfo structure from the arguments. This function assumes ownership
453 * of JI, and UNWIND_OPS.
456 mono_tramp_info_create (const char *name, guint8 *code, guint32 code_size, MonoJumpInfo *ji, GSList *unwind_ops)
458 MonoTrampInfo *info = g_new0 (MonoTrampInfo, 1);
460 info->name = g_strdup ((char*)name);
462 info->code_size = code_size;
464 info->unwind_ops = unwind_ops;
470 mono_tramp_info_free (MonoTrampInfo *info)
475 mono_free_unwind_info (info->unwind_ops);
480 register_trampoline_jit_info (MonoDomain *domain, MonoTrampInfo *info)
484 ji = mono_domain_alloc0 (domain, mono_jit_info_size (0, 0, 0));
485 mono_jit_info_init (ji, NULL, info->code, info->code_size, 0, 0, 0);
486 ji->d.tramp_info = info;
487 ji->is_trampoline = TRUE;
489 ji->unwind_info = mono_cache_unwind_info (info->uw_info, info->uw_info_len);
491 mono_jit_info_table_add (domain, ji);
495 * mono_tramp_info_register:
497 * Remember INFO for use by xdebug, mono_print_method_from_ip (), jit maps, etc.
502 mono_tramp_info_register (MonoTrampInfo *info, MonoDomain *domain)
510 domain = mono_get_root_domain ();
512 copy = g_new0 (MonoTrampInfo, 1);
513 copy->code = info->code;
514 copy->code_size = info->code_size;
515 copy->name = g_strdup (info->name);
517 if (info->unwind_ops) {
518 copy->uw_info = mono_unwind_ops_encode (info->unwind_ops, ©->uw_info_len);
520 /* Trampolines from aot have the unwind ops already encoded */
521 copy->uw_info = info->uw_info;
522 copy->uw_info_len = info->uw_info_len;
526 tramp_infos = g_slist_prepend (tramp_infos, copy);
529 mono_save_trampoline_xdebug_info (info);
531 /* Only register trampolines that have unwind infos */
532 if (mono_get_root_domain () && copy->uw_info)
533 register_trampoline_jit_info (domain, copy);
535 if (mono_jit_map_is_enabled ())
536 mono_emit_jit_tramp (info->code, info->code_size, info->name);
538 mono_tramp_info_free (info);
542 mono_tramp_info_cleanup (void)
546 for (l = tramp_infos; l; l = l->next) {
547 MonoTrampInfo *info = l->data;
549 mono_tramp_info_free (info);
551 g_slist_free (tramp_infos);
554 /* Register trampolines created before the root domain was created in the jit info tables */
556 register_trampolines (MonoDomain *domain)
560 for (l = tramp_infos; l; l = l->next) {
561 MonoTrampInfo *info = l->data;
563 register_trampoline_jit_info (domain, info);
567 G_GNUC_UNUSED static void
573 * Runtime debugging tool, use if (debug_count ()) <x> else <y> to do <x> the first COUNT times, then do <y> afterwards.
574 * Set a breakpoint in break_count () to break the last time <x> is done.
576 G_GNUC_UNUSED gboolean
577 mono_debug_count (void)
579 static int count = 0;
580 static gboolean inited;
581 static const char *value;
586 value = g_getenv ("COUNT");
593 if (count == atoi (value))
596 if (count > atoi (value))
603 mono_icall_get_wrapper_full (MonoJitICallInfo* callinfo, gboolean do_compile)
607 gconstpointer trampoline;
608 MonoDomain *domain = mono_get_root_domain ();
609 gboolean check_exc = TRUE;
611 if (callinfo->wrapper)
612 return callinfo->wrapper;
614 if (callinfo->trampoline)
615 return callinfo->trampoline;
617 if (!strcmp (callinfo->name, "mono_thread_interruption_checkpoint"))
618 /* This icall is used to check for exceptions, so don't check in the wrapper */
621 name = g_strdup_printf ("__icall_wrapper_%s", callinfo->name);
622 wrapper = mono_marshal_get_icall_wrapper (callinfo->sig, name, callinfo->func, check_exc);
626 trampoline = mono_compile_method (wrapper);
628 trampoline = mono_create_ftnptr (domain, mono_create_jit_trampoline_in_domain (domain, wrapper));
631 if (!callinfo->trampoline) {
632 mono_register_jit_icall_wrapper (callinfo, trampoline);
633 callinfo->trampoline = trampoline;
635 mono_loader_unlock ();
637 return callinfo->trampoline;
641 mono_icall_get_wrapper (MonoJitICallInfo* callinfo)
643 return mono_icall_get_wrapper_full (callinfo, FALSE);
646 static MonoJitDynamicMethodInfo*
647 mono_dynamic_code_hash_lookup (MonoDomain *domain, MonoMethod *method)
649 MonoJitDynamicMethodInfo *res;
651 if (domain_jit_info (domain)->dynamic_code_hash)
652 res = g_hash_table_lookup (domain_jit_info (domain)->dynamic_code_hash, method);
659 register_opcode_emulation (int opcode, const char *name, const char *sigstr, gpointer func, const char *symbol, gboolean no_throw)
662 mini_register_opcode_emulation (opcode, name, sigstr, func, symbol, no_throw);
664 MonoMethodSignature *sig = mono_create_icall_signature (sigstr);
666 g_assert (!sig->hasthis);
667 g_assert (sig->param_count < 3);
669 /* Opcode emulation functions are assumed to don't call mono_raise_exception () */
670 mono_register_jit_icall_full (func, name, sig, no_throw, TRUE, symbol);
675 * For JIT icalls implemented in C.
676 * NAME should be the same as the name of the C function whose address is FUNC.
677 * If @avoid_wrapper is TRUE, no wrapper is generated. This is for perf critical icalls which
678 * can't throw exceptions.
681 register_icall (gpointer func, const char *name, const char *sigstr, gboolean avoid_wrapper)
683 MonoMethodSignature *sig;
686 sig = mono_create_icall_signature (sigstr);
690 mono_register_jit_icall_full (func, name, sig, avoid_wrapper, FALSE, avoid_wrapper ? name : NULL);
694 register_icall_no_wrapper (gpointer func, const char *name, const char *sigstr)
696 MonoMethodSignature *sig;
699 sig = mono_create_icall_signature (sigstr);
703 mono_register_jit_icall_full (func, name, sig, TRUE, FALSE, name);
707 register_dyn_icall (gpointer func, const char *name, const char *sigstr, gboolean save)
709 MonoMethodSignature *sig;
712 sig = mono_create_icall_signature (sigstr);
716 mono_register_jit_icall (func, name, sig, save);
719 #ifdef MONO_HAVE_FAST_TLS
720 MONO_FAST_TLS_DECLARE(mono_lmf_addr);
721 #ifdef MONO_ARCH_ENABLE_MONO_LMF_VAR
723 * When this is defined, the current lmf is stored in this tls variable instead of in
726 MONO_FAST_TLS_DECLARE(mono_lmf);
731 mono_get_jit_tls_offset (void)
737 offset = mono_jit_tls_id;
739 /* FIXME: Happens during startup */
742 MONO_THREAD_VAR_OFFSET (mono_jit_tls, offset);
748 mono_get_lmf_tls_offset (void)
750 #if defined(MONO_ARCH_ENABLE_MONO_LMF_VAR)
752 MONO_THREAD_VAR_OFFSET(mono_lmf,offset);
760 mono_get_lmf_addr_tls_offset (void)
763 MONO_THREAD_VAR_OFFSET(mono_lmf_addr,offset);
770 #if defined(MONO_HAVE_FAST_TLS) && defined(MONO_ARCH_ENABLE_MONO_LMF_VAR)
771 return MONO_FAST_TLS_GET (mono_lmf);
773 MonoJitTlsData *jit_tls;
775 if ((jit_tls = mono_native_tls_get_value (mono_jit_tls_id)))
778 * We do not assert here because this function can be called from
779 * mini-gc.c on a thread that has not executed any managed code, yet
780 * (the thread object allocation can trigger a collection).
787 mono_get_lmf_addr (void)
789 #ifdef MONO_HAVE_FAST_TLS
790 return MONO_FAST_TLS_GET (mono_lmf_addr);
792 MonoJitTlsData *jit_tls;
794 jit_tls = mono_native_tls_get_value (mono_jit_tls_id);
795 if (G_LIKELY (jit_tls))
796 return &jit_tls->lmf;
799 * When resolving the call to mono_jit_thread_attach full-aot will look
800 * in the plt, which causes a call into the generic trampoline, which in turn
801 * tries to resolve the lmf_addr creating a cyclic dependency. We cannot
802 * call mono_jit_thread_attach from the native-to-managed wrapper, without
803 * mono_get_lmf_addr, and mono_get_lmf_addr requires the thread to be attached.
806 mono_jit_thread_attach (NULL);
808 if ((jit_tls = mono_native_tls_get_value (mono_jit_tls_id)))
809 return &jit_tls->lmf;
811 g_assert_not_reached ();
817 mono_set_lmf (MonoLMF *lmf)
819 #if defined(MONO_HAVE_FAST_TLS) && defined(MONO_ARCH_ENABLE_MONO_LMF_VAR)
820 MONO_FAST_TLS_SET (mono_lmf, lmf);
823 (*mono_get_lmf_addr ()) = lmf;
827 mono_get_jit_tls (void)
829 return mono_native_tls_get_value (mono_jit_tls_id);
833 mono_set_jit_tls (MonoJitTlsData *jit_tls)
835 MonoThreadInfo *info;
837 mono_native_tls_set_value (mono_jit_tls_id, jit_tls);
839 #ifdef MONO_HAVE_FAST_TLS
840 MONO_FAST_TLS_SET (mono_jit_tls, jit_tls);
843 /* Save it into MonoThreadInfo so it can be accessed by mono_thread_state_init_from_handle () */
844 info = mono_thread_info_current ();
846 mono_thread_info_tls_set (info, TLS_KEY_JIT_TLS, jit_tls);
850 mono_set_lmf_addr (gpointer lmf_addr)
852 MonoThreadInfo *info;
854 #ifdef MONO_HAVE_FAST_TLS
855 MONO_FAST_TLS_SET (mono_lmf_addr, lmf_addr);
858 /* Save it into MonoThreadInfo so it can be accessed by mono_thread_state_init_from_handle () */
859 info = mono_thread_info_current ();
861 mono_thread_info_tls_set (info, TLS_KEY_LMF_ADDR, lmf_addr);
865 * mono_jit_thread_attach:
867 * Called by native->managed wrappers. Returns the original domain which needs to be
871 mono_jit_thread_attach (MonoDomain *domain)
877 * Happens when called from AOTed code which is only used in the root
880 domain = mono_get_root_domain ();
882 #ifdef MONO_HAVE_FAST_TLS
883 if (!MONO_FAST_TLS_GET (mono_lmf_addr)) {
884 mono_thread_attach (domain);
886 mono_thread_set_state (mono_thread_internal_current (), ThreadState_Background);
889 if (!mono_native_tls_get_value (mono_jit_tls_id)) {
890 mono_thread_attach (domain);
891 mono_thread_set_state (mono_thread_internal_current (), ThreadState_Background);
894 orig = mono_domain_get ();
896 mono_domain_set (domain, TRUE);
898 return orig != domain ? orig : NULL;
901 /* Called by native->managed wrappers */
903 mono_jit_set_domain (MonoDomain *domain)
906 mono_domain_set (domain, TRUE);
911 * @obj: exception object
913 * abort the thread, print exception information and stack trace
916 mono_thread_abort (MonoObject *obj)
918 /* MonoJitTlsData *jit_tls = mono_native_tls_get_value (mono_jit_tls_id); */
920 /* handle_remove should be eventually called for this thread, too
923 if ((mono_runtime_unhandled_exception_policy_get () == MONO_UNHANDLED_POLICY_LEGACY) ||
924 (obj->vtable->klass == mono_defaults.threadabortexception_class)) {
927 mono_invoke_unhandled_exception_hook (obj);
932 setup_jit_tls_data (gpointer stack_start, gpointer abort_func)
934 MonoJitTlsData *jit_tls;
937 jit_tls = mono_native_tls_get_value (mono_jit_tls_id);
941 jit_tls = g_new0 (MonoJitTlsData, 1);
943 jit_tls->abort_func = abort_func;
944 jit_tls->end_of_stack = stack_start;
946 mono_set_jit_tls (jit_tls);
948 lmf = g_new0 (MonoLMF, 1);
949 MONO_ARCH_INIT_TOP_LMF_ENTRY (lmf);
951 jit_tls->first_lmf = lmf;
953 #if defined(MONO_HAVE_FAST_TLS) && defined(MONO_ARCH_ENABLE_MONO_LMF_VAR)
954 /* jit_tls->lmf is unused */
955 MONO_FAST_TLS_SET (mono_lmf, lmf);
956 mono_set_lmf_addr (MONO_FAST_TLS_ADDR (mono_lmf));
958 mono_set_lmf_addr (&jit_tls->lmf);
963 #ifdef MONO_ARCH_HAVE_TLS_INIT
964 mono_arch_tls_init ();
967 mono_setup_altstack (jit_tls);
973 free_jit_tls_data (MonoJitTlsData *jit_tls)
975 mono_arch_free_jit_tls_data (jit_tls);
976 mono_free_altstack (jit_tls);
978 g_free (jit_tls->first_lmf);
983 mono_thread_start_cb (intptr_t tid, gpointer stack_start, gpointer func)
985 MonoThreadInfo *thread;
986 void *jit_tls = setup_jit_tls_data (stack_start, mono_thread_abort);
987 thread = mono_thread_info_current_unchecked ();
989 thread->jit_data = jit_tls;
991 mono_arch_cpu_init ();
994 void (*mono_thread_attach_aborted_cb ) (MonoObject *obj) = NULL;
997 mono_thread_abort_dummy (MonoObject *obj)
999 if (mono_thread_attach_aborted_cb)
1000 mono_thread_attach_aborted_cb (obj);
1002 mono_thread_abort (obj);
1006 mono_thread_attach_cb (intptr_t tid, gpointer stack_start)
1008 MonoThreadInfo *thread;
1009 void *jit_tls = setup_jit_tls_data (stack_start, mono_thread_abort_dummy);
1010 thread = mono_thread_info_current_unchecked ();
1012 thread->jit_data = jit_tls;
1013 if (mono_profiler_get_events () & MONO_PROFILE_STATISTICAL)
1014 mono_runtime_setup_stat_profiler ();
1016 mono_arch_cpu_init ();
1020 mini_thread_cleanup (MonoNativeThreadId tid)
1022 MonoJitTlsData *jit_tls = NULL;
1023 MonoThreadInfo *info;
1025 info = mono_thread_info_current_unchecked ();
1027 /* We can't clean up tls information if we are on another thread, it will clean up the wrong stuff
1028 * It would be nice to issue a warning when this happens outside of the shutdown sequence. but it's
1029 * not a trivial thing.
1031 * The current offender is mono_thread_manage which cleanup threads from the outside.
1033 if (info && mono_thread_info_get_tid (info) == tid) {
1034 jit_tls = info->jit_data;
1035 info->jit_data = NULL;
1037 mono_set_jit_tls (NULL);
1039 /* If we attach a thread but never call into managed land, we might never get an lmf.*/
1040 if (mono_get_lmf ()) {
1041 mono_set_lmf (NULL);
1042 mono_set_lmf_addr (NULL);
1045 info = mono_thread_info_lookup (tid);
1047 jit_tls = info->jit_data;
1048 info->jit_data = NULL;
1050 mono_hazard_pointer_clear (mono_hazard_pointer_get (), 1);
1054 free_jit_tls_data (jit_tls);
1058 mini_get_tls_offset (MonoTlsKey key)
1061 g_assert (MONO_ARCH_HAVE_TLS_GET);
1064 case TLS_KEY_THREAD:
1065 offset = mono_thread_get_tls_offset ();
1067 case TLS_KEY_JIT_TLS:
1068 offset = mono_get_jit_tls_offset ();
1070 case TLS_KEY_DOMAIN:
1071 offset = mono_domain_get_tls_offset ();
1074 offset = mono_get_lmf_tls_offset ();
1076 case TLS_KEY_LMF_ADDR:
1077 offset = mono_get_lmf_addr_tls_offset ();
1080 offset = mono_tls_key_get_offset (key);
1081 g_assert (offset != -1);
1089 mini_tls_key_supported (MonoTlsKey key)
1091 if (!MONO_ARCH_HAVE_TLS_GET)
1094 return mini_get_tls_offset (key) != -1;
1098 mono_patch_info_list_prepend (MonoJumpInfo *list, int ip, MonoJumpInfoType type, gconstpointer target)
1100 MonoJumpInfo *ji = g_new0 (MonoJumpInfo, 1);
1104 ji->data.target = target;
1111 * mono_patch_info_dup_mp:
1113 * Make a copy of PATCH_INFO, allocating memory from the mempool MP.
1116 mono_patch_info_dup_mp (MonoMemPool *mp, MonoJumpInfo *patch_info)
1118 MonoJumpInfo *res = mono_mempool_alloc (mp, sizeof (MonoJumpInfo));
1119 memcpy (res, patch_info, sizeof (MonoJumpInfo));
1121 switch (patch_info->type) {
1122 case MONO_PATCH_INFO_RVA:
1123 case MONO_PATCH_INFO_LDSTR:
1124 case MONO_PATCH_INFO_TYPE_FROM_HANDLE:
1125 case MONO_PATCH_INFO_LDTOKEN:
1126 case MONO_PATCH_INFO_DECLSEC:
1127 res->data.token = mono_mempool_alloc (mp, sizeof (MonoJumpInfoToken));
1128 memcpy (res->data.token, patch_info->data.token, sizeof (MonoJumpInfoToken));
1130 case MONO_PATCH_INFO_SWITCH:
1131 res->data.table = mono_mempool_alloc (mp, sizeof (MonoJumpInfoBBTable));
1132 memcpy (res->data.table, patch_info->data.table, sizeof (MonoJumpInfoBBTable));
1133 res->data.table->table = mono_mempool_alloc (mp, sizeof (MonoBasicBlock*) * patch_info->data.table->table_size);
1134 memcpy (res->data.table->table, patch_info->data.table->table, sizeof (MonoBasicBlock*) * patch_info->data.table->table_size);
1136 case MONO_PATCH_INFO_RGCTX_FETCH:
1137 case MONO_PATCH_INFO_RGCTX_SLOT_INDEX:
1138 res->data.rgctx_entry = mono_mempool_alloc (mp, sizeof (MonoJumpInfoRgctxEntry));
1139 memcpy (res->data.rgctx_entry, patch_info->data.rgctx_entry, sizeof (MonoJumpInfoRgctxEntry));
1140 res->data.rgctx_entry->data = mono_patch_info_dup_mp (mp, res->data.rgctx_entry->data);
1142 case MONO_PATCH_INFO_DELEGATE_TRAMPOLINE:
1143 res->data.del_tramp = mono_mempool_alloc0 (mp, sizeof (MonoDelegateClassMethodPair));
1144 memcpy (res->data.del_tramp, patch_info->data.del_tramp, sizeof (MonoDelegateClassMethodPair));
1146 case MONO_PATCH_INFO_GSHAREDVT_CALL:
1147 res->data.gsharedvt = mono_mempool_alloc (mp, sizeof (MonoJumpInfoGSharedVtCall));
1148 memcpy (res->data.gsharedvt, patch_info->data.gsharedvt, sizeof (MonoJumpInfoGSharedVtCall));
1150 case MONO_PATCH_INFO_GSHAREDVT_METHOD: {
1151 MonoGSharedVtMethodInfo *info;
1152 MonoGSharedVtMethodInfo *oinfo;
1155 oinfo = patch_info->data.gsharedvt_method;
1156 info = mono_mempool_alloc (mp, sizeof (MonoGSharedVtMethodInfo));
1157 res->data.gsharedvt_method = info;
1158 memcpy (info, oinfo, sizeof (MonoGSharedVtMethodInfo));
1159 info->entries = mono_mempool_alloc (mp, sizeof (MonoRuntimeGenericContextInfoTemplate) * info->count_entries);
1160 for (i = 0; i < oinfo->num_entries; ++i) {
1161 MonoRuntimeGenericContextInfoTemplate *otemplate = &oinfo->entries [i];
1162 MonoRuntimeGenericContextInfoTemplate *template = &info->entries [i];
1164 memcpy (template, otemplate, sizeof (MonoRuntimeGenericContextInfoTemplate));
1166 //info->locals_types = mono_mempool_alloc0 (mp, info->nlocals * sizeof (MonoType*));
1167 //memcpy (info->locals_types, oinfo->locals_types, info->nlocals * sizeof (MonoType*));
1170 case MONO_PATCH_INFO_VIRT_METHOD: {
1171 MonoJumpInfoVirtMethod *info;
1172 MonoJumpInfoVirtMethod *oinfo;
1174 oinfo = patch_info->data.virt_method;
1175 info = mono_mempool_alloc0 (mp, sizeof (MonoJumpInfoVirtMethod));
1176 res->data.virt_method = info;
1177 memcpy (info, oinfo, sizeof (MonoJumpInfoVirtMethod));
1188 mono_patch_info_hash (gconstpointer data)
1190 const MonoJumpInfo *ji = (MonoJumpInfo*)data;
1193 case MONO_PATCH_INFO_RVA:
1194 case MONO_PATCH_INFO_LDSTR:
1195 case MONO_PATCH_INFO_LDTOKEN:
1196 case MONO_PATCH_INFO_DECLSEC:
1197 return (ji->type << 8) | ji->data.token->token;
1198 case MONO_PATCH_INFO_TYPE_FROM_HANDLE:
1199 return (ji->type << 8) | ji->data.token->token | (ji->data.token->has_context ? (gsize)ji->data.token->context.class_inst : 0);
1200 case MONO_PATCH_INFO_INTERNAL_METHOD:
1201 return (ji->type << 8) | g_str_hash (ji->data.name);
1202 case MONO_PATCH_INFO_VTABLE:
1203 case MONO_PATCH_INFO_CLASS:
1204 case MONO_PATCH_INFO_IID:
1205 case MONO_PATCH_INFO_ADJUSTED_IID:
1206 case MONO_PATCH_INFO_METHODCONST:
1207 case MONO_PATCH_INFO_METHOD:
1208 case MONO_PATCH_INFO_METHOD_JUMP:
1209 case MONO_PATCH_INFO_IMAGE:
1210 case MONO_PATCH_INFO_ICALL_ADDR:
1211 case MONO_PATCH_INFO_FIELD:
1212 case MONO_PATCH_INFO_SFLDA:
1213 case MONO_PATCH_INFO_SEQ_POINT_INFO:
1214 case MONO_PATCH_INFO_METHOD_RGCTX:
1215 case MONO_PATCH_INFO_SIGNATURE:
1216 case MONO_PATCH_INFO_TLS_OFFSET:
1217 case MONO_PATCH_INFO_METHOD_CODE_SLOT:
1218 return (ji->type << 8) | (gssize)ji->data.target;
1219 case MONO_PATCH_INFO_GSHAREDVT_CALL:
1220 return (ji->type << 8) | (gssize)ji->data.gsharedvt->method;
1221 case MONO_PATCH_INFO_RGCTX_FETCH:
1222 case MONO_PATCH_INFO_RGCTX_SLOT_INDEX: {
1223 MonoJumpInfoRgctxEntry *e = ji->data.rgctx_entry;
1225 return (ji->type << 8) | (gssize)e->method | (e->in_mrgctx) | e->info_type | mono_patch_info_hash (e->data);
1227 case MONO_PATCH_INFO_INTERRUPTION_REQUEST_FLAG:
1228 case MONO_PATCH_INFO_MSCORLIB_GOT_ADDR:
1229 case MONO_PATCH_INFO_GC_CARD_TABLE_ADDR:
1230 case MONO_PATCH_INFO_GC_NURSERY_START:
1231 case MONO_PATCH_INFO_JIT_TLS_ID:
1232 case MONO_PATCH_INFO_GOT_OFFSET:
1233 case MONO_PATCH_INFO_GC_SAFE_POINT_FLAG:
1234 case MONO_PATCH_INFO_AOT_MODULE:
1235 return (ji->type << 8);
1236 case MONO_PATCH_INFO_CASTCLASS_CACHE:
1237 return (ji->type << 8) | (ji->data.index);
1238 case MONO_PATCH_INFO_SWITCH:
1239 return (ji->type << 8) | ji->data.table->table_size;
1240 case MONO_PATCH_INFO_GSHAREDVT_METHOD:
1241 return (ji->type << 8) | (gssize)ji->data.gsharedvt_method->method;
1242 case MONO_PATCH_INFO_OBJC_SELECTOR_REF:
1243 /* Hash on the selector name */
1244 return g_str_hash (ji->data.target);
1245 case MONO_PATCH_INFO_DELEGATE_TRAMPOLINE:
1246 return (ji->type << 8) | (gsize)ji->data.del_tramp->klass | (gsize)ji->data.del_tramp->method | (gsize)ji->data.del_tramp->virtual;
1247 case MONO_PATCH_INFO_LDSTR_LIT:
1248 return g_str_hash (ji->data.target);
1249 case MONO_PATCH_INFO_VIRT_METHOD: {
1250 MonoJumpInfoVirtMethod *info = ji->data.virt_method;
1252 return (ji->type << 8) | (gssize)info->klass | (gssize)info->method;
1254 case MONO_PATCH_INFO_JIT_ICALL_ADDR:
1255 return (ji->type << 8) | g_str_hash (ji->data.target);
1257 printf ("info type: %d\n", ji->type);
1258 mono_print_ji (ji); printf ("\n");
1259 g_assert_not_reached ();
1265 * mono_patch_info_equal:
1267 * This might fail to recognize equivalent patches, i.e. floats, so its only
1268 * usable in those cases where this is not a problem, i.e. sharing GOT slots
1272 mono_patch_info_equal (gconstpointer ka, gconstpointer kb)
1274 const MonoJumpInfo *ji1 = (MonoJumpInfo*)ka;
1275 const MonoJumpInfo *ji2 = (MonoJumpInfo*)kb;
1277 if (ji1->type != ji2->type)
1280 switch (ji1->type) {
1281 case MONO_PATCH_INFO_RVA:
1282 case MONO_PATCH_INFO_LDSTR:
1283 case MONO_PATCH_INFO_TYPE_FROM_HANDLE:
1284 case MONO_PATCH_INFO_LDTOKEN:
1285 case MONO_PATCH_INFO_DECLSEC:
1286 if ((ji1->data.token->image != ji2->data.token->image) ||
1287 (ji1->data.token->token != ji2->data.token->token) ||
1288 (ji1->data.token->has_context != ji2->data.token->has_context) ||
1289 (ji1->data.token->context.class_inst != ji2->data.token->context.class_inst) ||
1290 (ji1->data.token->context.method_inst != ji2->data.token->context.method_inst))
1293 case MONO_PATCH_INFO_INTERNAL_METHOD:
1294 return g_str_equal (ji1->data.name, ji2->data.name);
1295 case MONO_PATCH_INFO_RGCTX_FETCH:
1296 case MONO_PATCH_INFO_RGCTX_SLOT_INDEX: {
1297 MonoJumpInfoRgctxEntry *e1 = ji1->data.rgctx_entry;
1298 MonoJumpInfoRgctxEntry *e2 = ji2->data.rgctx_entry;
1300 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);
1302 case MONO_PATCH_INFO_GSHAREDVT_CALL: {
1303 MonoJumpInfoGSharedVtCall *c1 = ji1->data.gsharedvt;
1304 MonoJumpInfoGSharedVtCall *c2 = ji2->data.gsharedvt;
1306 return c1->sig == c2->sig && c1->method == c2->method;
1308 case MONO_PATCH_INFO_GSHAREDVT_METHOD:
1309 return ji1->data.gsharedvt_method->method == ji2->data.gsharedvt_method->method;
1310 case MONO_PATCH_INFO_DELEGATE_TRAMPOLINE:
1311 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;
1312 case MONO_PATCH_INFO_CASTCLASS_CACHE:
1313 return ji1->data.index == ji2->data.index;
1314 case MONO_PATCH_INFO_VIRT_METHOD:
1315 return ji1->data.virt_method->klass == ji2->data.virt_method->klass && ji1->data.virt_method->method == ji2->data.virt_method->method;
1316 case MONO_PATCH_INFO_JIT_ICALL_ADDR:
1317 if (ji1->data.target == ji2->data.target)
1319 return strcmp (ji1->data.target, ji2->data.target) == 0 ? 1 : 0;
1321 if (ji1->data.target != ji2->data.target)
1330 mono_resolve_patch_target (MonoMethod *method, MonoDomain *domain, guint8 *code, MonoJumpInfo *patch_info, gboolean run_cctors)
1332 unsigned char *ip = patch_info->ip.i + code;
1333 gconstpointer target = NULL;
1335 switch (patch_info->type) {
1336 case MONO_PATCH_INFO_BB:
1338 * FIXME: This could be hit for methods without a prolog. Should use -1
1339 * but too much code depends on a 0 initial value.
1341 //g_assert (patch_info->data.bb->native_offset);
1342 target = patch_info->data.bb->native_offset + code;
1344 case MONO_PATCH_INFO_ABS:
1345 target = patch_info->data.target;
1347 case MONO_PATCH_INFO_LABEL:
1348 target = patch_info->data.inst->inst_c0 + code;
1350 case MONO_PATCH_INFO_IP:
1351 #if defined(__native_client__) && defined(__native_client_codegen__)
1352 /* Need to transform to the destination address, it's */
1353 /* emitted as an immediate in the code. */
1354 target = nacl_inverse_modify_patch_target(ip);
1359 case MONO_PATCH_INFO_METHOD_REL:
1360 target = code + patch_info->data.offset;
1362 case MONO_PATCH_INFO_INTERNAL_METHOD: {
1363 MonoJitICallInfo *mi = mono_find_jit_icall_by_name (patch_info->data.name);
1365 g_warning ("unknown MONO_PATCH_INFO_INTERNAL_METHOD %s", patch_info->data.name);
1366 g_assert_not_reached ();
1368 target = mono_icall_get_wrapper (mi);
1371 case MONO_PATCH_INFO_JIT_ICALL_ADDR: {
1372 MonoJitICallInfo *mi = mono_find_jit_icall_by_name (patch_info->data.name);
1374 g_warning ("unknown MONO_PATCH_INFO_JIT_ICALL_ADDR %s", patch_info->data.name);
1375 g_assert_not_reached ();
1380 case MONO_PATCH_INFO_METHOD_JUMP:
1381 target = mono_create_jump_trampoline (domain, patch_info->data.method, FALSE);
1382 #if defined(__native_client__) && defined(__native_client_codegen__)
1383 # if defined(TARGET_AMD64)
1384 /* This target is an absolute address, not relative to the */
1385 /* current code being emitted on AMD64. */
1386 target = nacl_inverse_modify_patch_target(target);
1390 case MONO_PATCH_INFO_METHOD:
1391 #if defined(__native_client_codegen__) && defined(USE_JUMP_TABLES)
1393 * If we use jumptables, for recursive calls we cannot
1394 * avoid trampoline, as we not yet know where we will
1397 target = mono_create_jit_trampoline_in_domain (domain, patch_info->data.method);
1399 if (patch_info->data.method == method) {
1402 /* get the trampoline to the method from the domain */
1403 target = mono_create_jit_trampoline_in_domain (domain, patch_info->data.method);
1407 case MONO_PATCH_INFO_METHOD_CODE_SLOT: {
1410 mono_domain_lock (domain);
1411 if (!domain_jit_info (domain)->method_code_hash)
1412 domain_jit_info (domain)->method_code_hash = g_hash_table_new (NULL, NULL);
1413 code_slot = g_hash_table_lookup (domain_jit_info (domain)->method_code_hash, patch_info->data.method);
1415 code_slot = mono_domain_alloc0 (domain, sizeof (gpointer));
1416 g_hash_table_insert (domain_jit_info (domain)->method_code_hash, patch_info->data.method, code_slot);
1418 mono_domain_unlock (domain);
1422 case MONO_PATCH_INFO_GC_SAFE_POINT_FLAG:
1423 #if defined(__native_client_codegen__)
1424 target = (gpointer)&__nacl_thread_suspension_needed;
1425 #elif defined (USE_COOP_GC)
1426 target = (gpointer)&mono_polling_required;
1428 g_error ("Unsuported patch target");
1431 case MONO_PATCH_INFO_SWITCH: {
1432 gpointer *jump_table;
1434 #if defined(__native_client__) && defined(__native_client_codegen__)
1435 /* This memory will leak, but we don't care if we're */
1436 /* not deleting JIT'd methods anyway */
1437 jump_table = g_malloc0 (sizeof(gpointer) * patch_info->data.table->table_size);
1439 if (method && method->dynamic) {
1440 jump_table = mono_code_manager_reserve (mono_dynamic_code_hash_lookup (domain, method)->code_mp, sizeof (gpointer) * patch_info->data.table->table_size);
1442 if (mono_aot_only) {
1443 jump_table = mono_domain_alloc (domain, sizeof (gpointer) * patch_info->data.table->table_size);
1445 jump_table = mono_domain_code_reserve (domain, sizeof (gpointer) * patch_info->data.table->table_size);
1450 for (i = 0; i < patch_info->data.table->table_size; i++) {
1451 #if defined(__native_client__) && defined(__native_client_codegen__)
1452 /* 'code' is relative to the current code blob, we */
1453 /* need to do this transform on it to make the */
1454 /* pointers in this table absolute */
1455 jump_table [i] = nacl_inverse_modify_patch_target (code) + GPOINTER_TO_INT (patch_info->data.table->table [i]);
1457 jump_table [i] = code + GPOINTER_TO_INT (patch_info->data.table->table [i]);
1461 #if defined(__native_client__) && defined(__native_client_codegen__)
1462 /* jump_table is in the data section, we need to transform */
1463 /* it here so when it gets modified in amd64_patch it will */
1464 /* then point back to the absolute data address */
1465 target = nacl_inverse_modify_patch_target (jump_table);
1467 target = jump_table;
1471 case MONO_PATCH_INFO_METHODCONST:
1472 case MONO_PATCH_INFO_CLASS:
1473 case MONO_PATCH_INFO_IMAGE:
1474 case MONO_PATCH_INFO_FIELD:
1475 case MONO_PATCH_INFO_SIGNATURE:
1476 case MONO_PATCH_INFO_AOT_MODULE:
1477 target = patch_info->data.target;
1479 case MONO_PATCH_INFO_IID:
1480 mono_class_init (patch_info->data.klass);
1481 target = GINT_TO_POINTER ((int)patch_info->data.klass->interface_id);
1483 case MONO_PATCH_INFO_ADJUSTED_IID:
1484 mono_class_init (patch_info->data.klass);
1485 target = GINT_TO_POINTER ((int)(-((patch_info->data.klass->interface_id + 1) * SIZEOF_VOID_P)));
1487 case MONO_PATCH_INFO_VTABLE:
1488 target = mono_class_vtable (domain, patch_info->data.klass);
1491 case MONO_PATCH_INFO_DELEGATE_TRAMPOLINE: {
1492 MonoDelegateClassMethodPair *del_tramp = patch_info->data.del_tramp;
1494 if (del_tramp->virtual)
1495 target = mono_create_delegate_virtual_trampoline (domain, del_tramp->klass, del_tramp->method);
1497 target = mono_create_delegate_trampoline_info (domain, del_tramp->klass, del_tramp->method);
1500 case MONO_PATCH_INFO_SFLDA: {
1501 MonoVTable *vtable = mono_class_vtable (domain, patch_info->data.field->parent);
1503 if (mono_class_field_is_special_static (patch_info->data.field)) {
1504 gpointer addr = NULL;
1506 mono_domain_lock (domain);
1507 if (domain->special_static_fields)
1508 addr = g_hash_table_lookup (domain->special_static_fields, patch_info->data.field);
1509 mono_domain_unlock (domain);
1515 if (!vtable->initialized && !(vtable->klass->flags & TYPE_ATTRIBUTE_BEFORE_FIELD_INIT) && (method && mono_class_needs_cctor_run (vtable->klass, method)))
1516 /* Done by the generated code */
1520 mono_runtime_class_init (vtable);
1522 target = (char*)mono_vtable_get_static_field_data (vtable) + patch_info->data.field->offset;
1525 case MONO_PATCH_INFO_RVA: {
1526 guint32 field_index = mono_metadata_token_index (patch_info->data.token->token);
1529 mono_metadata_field_info (patch_info->data.token->image, field_index - 1, NULL, &rva, NULL);
1530 target = mono_image_rva_map (patch_info->data.token->image, rva);
1533 case MONO_PATCH_INFO_R4:
1534 case MONO_PATCH_INFO_R8:
1535 target = patch_info->data.target;
1537 case MONO_PATCH_INFO_EXC_NAME:
1538 target = patch_info->data.name;
1540 case MONO_PATCH_INFO_LDSTR:
1542 mono_ldstr (domain, patch_info->data.token->image,
1543 mono_metadata_token_index (patch_info->data.token->token));
1545 case MONO_PATCH_INFO_TYPE_FROM_HANDLE: {
1547 MonoClass *handle_class;
1550 handle = mono_ldtoken_checked (patch_info->data.token->image,
1551 patch_info->data.token->token, &handle_class, patch_info->data.token->has_context ? &patch_info->data.token->context : NULL, &error);
1552 if (!mono_error_ok (&error))
1553 g_error ("Could not patch ldtoken due to %s", mono_error_get_message (&error));
1554 mono_class_init (handle_class);
1555 mono_class_init (mono_class_from_mono_type (handle));
1558 mono_type_get_object (domain, handle);
1561 case MONO_PATCH_INFO_LDTOKEN: {
1563 MonoClass *handle_class;
1566 handle = mono_ldtoken_checked (patch_info->data.token->image,
1567 patch_info->data.token->token, &handle_class, patch_info->data.token->has_context ? &patch_info->data.token->context : NULL, &error);
1568 if (!mono_error_ok (&error))
1569 g_error ("Could not patch ldtoken due to %s", mono_error_get_message (&error));
1570 mono_class_init (handle_class);
1575 case MONO_PATCH_INFO_DECLSEC:
1576 target = (mono_metadata_blob_heap (patch_info->data.token->image, patch_info->data.token->token) + 2);
1578 case MONO_PATCH_INFO_ICALL_ADDR:
1579 /* run_cctors == 0 -> AOT */
1580 if (patch_info->data.method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL) {
1581 const char *exc_class;
1582 const char *exc_arg;
1585 target = mono_lookup_pinvoke_call (patch_info->data.method, &exc_class, &exc_arg);
1588 mono_raise_exception (mono_exception_from_name_msg (mono_defaults.corlib, "System", exc_class, exc_arg));
1589 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));
1595 target = mono_lookup_internal_call (patch_info->data.method);
1597 if (!target && run_cctors)
1598 g_error ("Unregistered icall '%s'\n", mono_method_full_name (patch_info->data.method, TRUE));
1601 case MONO_PATCH_INFO_INTERRUPTION_REQUEST_FLAG:
1602 target = mono_thread_interruption_request_flag ();
1604 case MONO_PATCH_INFO_METHOD_RGCTX: {
1605 MonoVTable *vtable = mono_class_vtable (domain, patch_info->data.method->klass);
1608 target = mono_method_lookup_rgctx (vtable, mini_method_get_context (patch_info->data.method)->method_inst);
1611 case MONO_PATCH_INFO_RGCTX_SLOT_INDEX: {
1612 int slot = mini_get_rgctx_entry_slot (patch_info->data.rgctx_entry);
1614 target = GINT_TO_POINTER (MONO_RGCTX_SLOT_INDEX (slot));
1617 case MONO_PATCH_INFO_BB_OVF:
1618 case MONO_PATCH_INFO_EXC_OVF:
1619 case MONO_PATCH_INFO_GOT_OFFSET:
1620 case MONO_PATCH_INFO_NONE:
1622 case MONO_PATCH_INFO_RGCTX_FETCH: {
1623 int slot = mini_get_rgctx_entry_slot (patch_info->data.rgctx_entry);
1625 target = mono_create_rgctx_lazy_fetch_trampoline (slot);
1628 #ifdef MONO_ARCH_SOFT_DEBUG_SUPPORTED
1629 case MONO_PATCH_INFO_SEQ_POINT_INFO:
1631 /* AOT, not needed */
1634 target = mono_arch_get_seq_point_info (domain, code);
1637 case MONO_PATCH_INFO_LLVM_IMT_TRAMPOLINE:
1638 #ifdef MONO_ARCH_LLVM_SUPPORTED
1639 g_assert (mono_use_llvm);
1640 target = mono_create_llvm_imt_trampoline (domain, patch_info->data.imt_tramp->method, patch_info->data.imt_tramp->vt_offset);
1642 g_assert_not_reached ();
1645 case MONO_PATCH_INFO_GC_CARD_TABLE_ADDR: {
1646 int card_table_shift_bits;
1647 gpointer card_table_mask;
1649 target = mono_gc_get_card_table (&card_table_shift_bits, &card_table_mask);
1652 case MONO_PATCH_INFO_GC_NURSERY_START: {
1656 target = mono_gc_get_nursery (&shift_bits, &size);
1659 case MONO_PATCH_INFO_CASTCLASS_CACHE: {
1660 target = mono_domain_alloc0 (domain, sizeof (gpointer));
1663 case MONO_PATCH_INFO_JIT_TLS_ID: {
1664 target = (gpointer) (size_t) mono_jit_tls_id;
1667 case MONO_PATCH_INFO_TLS_OFFSET: {
1670 offset = mini_get_tls_offset (GPOINTER_TO_INT (patch_info->data.target));
1671 #ifdef MONO_ARCH_HAVE_TRANSLATE_TLS_OFFSET
1672 offset = mono_arch_translate_tls_offset (offset);
1674 target = GINT_TO_POINTER (offset);
1677 case MONO_PATCH_INFO_OBJC_SELECTOR_REF: {
1681 case MONO_PATCH_INFO_LDSTR_LIT: {
1685 len = strlen (patch_info->data.target);
1686 s = mono_domain_alloc0 (domain, len + 1);
1687 memcpy (s, patch_info->data.target, len);
1693 g_assert_not_reached ();
1696 return (gpointer)target;
1700 mini_init_gsctx (MonoDomain *domain, MonoMemPool *mp, MonoGenericContext *context, MonoGenericSharingContext *gsctx)
1702 MonoGenericInst *inst;
1705 memset (gsctx, 0, sizeof (MonoGenericSharingContext));
1707 if (context && context->class_inst) {
1708 inst = context->class_inst;
1709 for (i = 0; i < inst->type_argc; ++i) {
1710 MonoType *type = inst->type_argv [i];
1712 if (mini_is_gsharedvt_gparam (type))
1713 gsctx->is_gsharedvt = TRUE;
1716 if (context && context->method_inst) {
1717 inst = context->method_inst;
1719 for (i = 0; i < inst->type_argc; ++i) {
1720 MonoType *type = inst->type_argv [i];
1722 if (mini_is_gsharedvt_gparam (type))
1723 gsctx->is_gsharedvt = TRUE;
1729 * LOCKING: Acquires the jit code hash lock.
1732 mini_lookup_method (MonoDomain *domain, MonoMethod *method, MonoMethod *shared)
1735 static gboolean inited = FALSE;
1736 static int lookups = 0;
1737 static int failed_lookups = 0;
1739 mono_domain_jit_code_hash_lock (domain);
1740 ji = mono_internal_hash_table_lookup (&domain->jit_code_hash, method);
1741 if (!ji && shared) {
1742 /* Try generic sharing */
1743 ji = mono_internal_hash_table_lookup (&domain->jit_code_hash, shared);
1744 if (ji && !ji->has_generic_jit_info)
1747 mono_counters_register ("Shared generic lookups", MONO_COUNTER_INT|MONO_COUNTER_GENERICS, &lookups);
1748 mono_counters_register ("Failed shared generic lookups", MONO_COUNTER_INT|MONO_COUNTER_GENERICS, &failed_lookups);
1756 mono_domain_jit_code_hash_unlock (domain);
1762 lookup_method (MonoDomain *domain, MonoMethod *method)
1767 ji = mini_lookup_method (domain, method, NULL);
1770 if (!mono_method_is_generic_sharable (method, FALSE))
1772 shared = mini_get_shared_method (method);
1773 ji = mini_lookup_method (domain, method, shared);
1780 mono_get_jit_info_from_method (MonoDomain *domain, MonoMethod *method)
1782 return lookup_method (domain, method);
1786 static FILE* perf_map_file;
1789 mono_enable_jit_map (void)
1791 if (!perf_map_file) {
1793 g_snprintf (name, sizeof (name), "/tmp/perf-%d.map", getpid ());
1795 perf_map_file = fopen (name, "w");
1800 mono_emit_jit_tramp (void *start, int size, const char *desc)
1803 fprintf (perf_map_file, "%llx %x %s\n", (long long unsigned int)(gsize)start, size, desc);
1807 mono_emit_jit_map (MonoJitInfo *jinfo)
1809 if (perf_map_file) {
1810 char *name = mono_method_full_name (jinfo_get_method (jinfo), TRUE);
1811 mono_emit_jit_tramp (jinfo->code_start, jinfo->code_size, name);
1817 mono_jit_map_is_enabled (void)
1819 return perf_map_file != NULL;
1825 mono_jit_compile_method_with_opt (MonoMethod *method, guint32 opt, MonoException **ex)
1827 MonoDomain *target_domain, *domain = mono_domain_get ();
1829 gpointer code = NULL, p;
1831 MonoJitICallInfo *callinfo = NULL;
1832 WrapperInfo *winfo = NULL;
1835 * ICALL wrappers are handled specially, since there is only one copy of them
1836 * shared by all appdomains.
1838 if (method->wrapper_type == MONO_WRAPPER_MANAGED_TO_NATIVE)
1839 winfo = mono_marshal_get_wrapper_info (method);
1840 if (winfo && winfo->subtype == WRAPPER_SUBTYPE_ICALL_WRAPPER) {
1841 callinfo = mono_find_jit_icall_by_addr (winfo->d.icall.func);
1842 g_assert (callinfo);
1844 /* Must be domain neutral since there is only one copy */
1845 opt |= MONO_OPT_SHARED;
1848 if (method->dynamic)
1849 opt &= ~MONO_OPT_SHARED;
1851 /* These methods can become invalid when a domain is unloaded */
1852 if (method->klass->image != mono_get_corlib () || method->is_inflated)
1853 opt &= ~MONO_OPT_SHARED;
1855 if (opt & MONO_OPT_SHARED)
1856 target_domain = mono_get_root_domain ();
1858 target_domain = domain;
1860 if (method->wrapper_type == MONO_WRAPPER_UNKNOWN) {
1861 WrapperInfo *info = mono_marshal_get_wrapper_info (method);
1864 if (info->subtype == WRAPPER_SUBTYPE_SYNCHRONIZED_INNER) {
1865 MonoGenericContext *ctx = NULL;
1866 if (method->is_inflated)
1867 ctx = mono_method_get_context (method);
1868 method = info->d.synchronized_inner.method;
1871 method = mono_class_inflate_generic_method_checked (method, ctx, &error);
1872 g_assert (mono_error_ok (&error)); /* FIXME don't swallow the error */
1877 info = lookup_method (target_domain, method);
1879 /* We can't use a domain specific method in another domain */
1880 if (! ((domain != target_domain) && !info->domain_neutral)) {
1882 MonoException *tmpEx;
1884 mono_jit_stats.methods_lookups++;
1885 vtable = mono_class_vtable (domain, method->klass);
1887 tmpEx = mono_runtime_class_init_full (vtable, ex == NULL);
1892 return mono_create_ftnptr (target_domain, info->code_start);
1896 #ifdef MONO_USE_AOT_COMPILER
1897 if (opt & MONO_OPT_AOT) {
1898 MonoDomain *domain = mono_domain_get ();
1900 mono_class_init (method->klass);
1902 if ((code = mono_aot_get_method (domain, method))) {
1906 * In llvm-only mode, method might be a shared method, so we can't initialize its class.
1907 * This is not a problem, since it will be initialized when the method is first
1908 * called by init_method ().
1910 if (!mono_llvm_only) {
1911 vtable = mono_class_vtable (domain, method->klass);
1913 mono_runtime_class_init (vtable);
1920 code = mono_jit_compile_method_inner (method, target_domain, opt, ex);
1924 if (method->wrapper_type == MONO_WRAPPER_WRITE_BARRIER || method->wrapper_type == MONO_WRAPPER_ALLOC) {
1928 * SGEN requires the JIT info for these methods to be registered, see is_ip_in_managed_allocator ().
1930 ji = mini_jit_info_table_find (mono_domain_get (), code, &d);
1934 p = mono_create_ftnptr (target_domain, code);
1937 /*mono_register_jit_icall_wrapper takes the loader lock, so we take it on the outside. */
1938 mono_loader_lock ();
1940 if (!callinfo->wrapper) {
1941 callinfo->wrapper = p;
1942 mono_register_jit_icall_wrapper (callinfo, p);
1945 mono_loader_unlock ();
1952 mono_jit_compile_method (MonoMethod *method)
1954 MonoException *ex = NULL;
1957 code = mono_jit_compile_method_with_opt (method, mono_get_optimizations_for_method (method, default_opt), &ex);
1960 mono_raise_exception (ex);
1966 #ifdef MONO_ARCH_HAVE_INVALIDATE_METHOD
1968 invalidated_delegate_trampoline (char *desc)
1970 g_error ("Unmanaged code called delegate of type %s which was already garbage collected.\n"
1971 "See http://www.mono-project.com/Diagnostic:Delegate for an explanation and ways to fix this.",
1977 * mono_jit_free_method:
1979 * Free all memory allocated by the JIT for METHOD.
1982 mono_jit_free_method (MonoDomain *domain, MonoMethod *method)
1984 MonoJitDynamicMethodInfo *ji;
1985 gboolean destroy = TRUE;
1986 GHashTableIter iter;
1987 MonoJumpList *jlist;
1989 g_assert (method->dynamic);
1991 mono_domain_lock (domain);
1992 ji = mono_dynamic_code_hash_lookup (domain, method);
1993 mono_domain_unlock (domain);
1998 mono_debug_remove_method (method, domain);
2000 mono_domain_lock (domain);
2001 g_hash_table_remove (domain_jit_info (domain)->dynamic_code_hash, method);
2002 mono_domain_jit_code_hash_lock (domain);
2003 mono_internal_hash_table_remove (&domain->jit_code_hash, method);
2004 mono_domain_jit_code_hash_unlock (domain);
2005 g_hash_table_remove (domain_jit_info (domain)->jump_trampoline_hash, method);
2007 /* requires the domain lock - took above */
2008 mono_conc_hashtable_remove (domain_jit_info (domain)->runtime_invoke_hash, method);
2010 /* Remove jump targets in this method */
2011 g_hash_table_iter_init (&iter, domain_jit_info (domain)->jump_target_hash);
2012 while (g_hash_table_iter_next (&iter, NULL, (void**)&jlist)) {
2013 GSList *tmp, *remove;
2016 for (tmp = jlist->list; tmp; tmp = tmp->next) {
2017 guint8 *ip = tmp->data;
2019 if (ip >= (guint8*)ji->ji->code_start && ip < (guint8*)ji->ji->code_start + ji->ji->code_size)
2020 remove = g_slist_prepend (remove, tmp);
2022 for (tmp = remove; tmp; tmp = tmp->next) {
2023 jlist->list = g_slist_delete_link (jlist->list, tmp->data);
2025 g_slist_free (remove);
2028 mono_domain_unlock (domain);
2030 #ifdef MONO_ARCH_HAVE_INVALIDATE_METHOD
2031 if (debug_options.keep_delegates && method->wrapper_type == MONO_WRAPPER_NATIVE_TO_MANAGED) {
2033 * Instead of freeing the code, change it to call an error routine
2034 * so people can fix their code.
2036 char *type = mono_type_full_name (&method->klass->byval_arg);
2037 char *type_and_method = g_strdup_printf ("%s.%s", type, method->name);
2040 mono_arch_invalidate_method (ji->ji, invalidated_delegate_trampoline, type_and_method);
2046 * This needs to be done before freeing code_mp, since the code address is the
2047 * key in the table, so if we free the code_mp first, another thread can grab the
2048 * same code address and replace our entry in the table.
2050 mono_jit_info_table_remove (domain, ji->ji);
2053 mono_code_manager_destroy (ji->code_mp);
2058 mono_jit_find_compiled_method_with_jit_info (MonoDomain *domain, MonoMethod *method, MonoJitInfo **ji)
2060 MonoDomain *target_domain;
2063 if (default_opt & MONO_OPT_SHARED)
2064 target_domain = mono_get_root_domain ();
2066 target_domain = domain;
2068 info = lookup_method (target_domain, method);
2070 /* We can't use a domain specific method in another domain */
2071 if (! ((domain != target_domain) && !info->domain_neutral)) {
2072 mono_jit_stats.methods_lookups++;
2075 return info->code_start;
2084 gboolean mono_do_single_method_regression = FALSE;
2085 guint32 mono_single_method_regression_opt = 0;
2086 MonoMethod *mono_current_single_method;
2087 GSList *mono_single_method_list;
2088 GHashTable *mono_single_method_hash;
2091 mono_get_optimizations_for_method (MonoMethod *method, guint32 default_opt)
2095 if (!mono_do_single_method_regression)
2097 if (!mono_current_single_method) {
2098 if (!mono_single_method_hash)
2099 mono_single_method_hash = g_hash_table_new (g_direct_hash, g_direct_equal);
2100 if (!g_hash_table_lookup (mono_single_method_hash, method)) {
2101 g_hash_table_insert (mono_single_method_hash, method, method);
2102 mono_single_method_list = g_slist_prepend (mono_single_method_list, method);
2106 if (method == mono_current_single_method)
2107 return mono_single_method_regression_opt;
2112 mono_jit_find_compiled_method (MonoDomain *domain, MonoMethod *method)
2114 return mono_jit_find_compiled_method_with_jit_info (domain, method, NULL);
2119 gpointer compiled_method;
2120 gpointer runtime_invoke;
2122 MonoDynCallInfo *dyn_call_info;
2123 MonoClass *ret_box_class;
2124 gboolean needs_rgctx;
2125 } RuntimeInvokeInfo;
2128 * mono_jit_runtime_invoke:
2129 * @method: the method to invoke
2130 * @obj: this pointer
2131 * @params: array of parameter values.
2132 * @exc: used to catch exceptions objects
2135 mono_jit_runtime_invoke (MonoMethod *method, void *obj, void **params, MonoObject **exc)
2137 MonoMethod *invoke, *callee;
2138 MonoObject *(*runtime_invoke) (MonoObject *this, void **params, MonoObject **exc, void* compiled_method);
2139 MonoDomain *domain = mono_domain_get ();
2140 MonoJitDomainInfo *domain_info;
2141 RuntimeInvokeInfo *info, *info2;
2143 if (obj == NULL && !(method->flags & METHOD_ATTRIBUTE_STATIC) && !method->string_ctor && (method->wrapper_type == 0)) {
2144 g_warning ("Ignoring invocation of an instance method on a NULL instance.\n");
2148 domain_info = domain_jit_info (domain);
2150 info = mono_conc_hashtable_lookup (domain_info->runtime_invoke_hash, method);
2153 if (mono_security_core_clr_enabled ()) {
2155 * This might be redundant since mono_class_vtable () already does this,
2156 * but keep it just in case for moonlight.
2158 mono_class_setup_vtable (method->klass);
2159 if (method->klass->exception_type != MONO_EXCEPTION_NONE) {
2161 *exc = (MonoObject*)mono_class_get_exception_for_failure (method->klass);
2163 mono_raise_exception (mono_class_get_exception_for_failure (method->klass));
2168 info = g_new0 (RuntimeInvokeInfo, 1);
2169 info->needs_rgctx = mono_llvm_only && mono_method_needs_static_rgctx_invoke (method, TRUE);
2171 invoke = mono_marshal_get_runtime_invoke (method, FALSE, info->needs_rgctx);
2172 info->vtable = mono_class_vtable_full (domain, method->klass, TRUE);
2173 g_assert (info->vtable);
2176 if (method->klass->rank && (method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) &&
2177 (method->iflags & METHOD_IMPL_ATTRIBUTE_NATIVE)) {
2179 * Array Get/Set/Address methods. The JIT implements them using inline code
2180 * inside the runtime invoke wrappers, so no need to compile them.
2182 if (mono_aot_only) {
2184 * Call a wrapper, since the runtime invoke wrapper was not generated.
2186 MonoMethod *wrapper;
2188 wrapper = mono_marshal_get_array_accessor_wrapper (method);
2189 invoke = mono_marshal_get_runtime_invoke (wrapper, FALSE, FALSE);
2197 MonoException *jit_ex = NULL;
2199 info->compiled_method = mono_jit_compile_method_with_opt (callee, mono_get_optimizations_for_method (callee, default_opt), &jit_ex);
2200 if (!info->compiled_method) {
2204 *exc = (MonoObject*)jit_ex;
2207 mono_raise_exception (jit_ex);
2208 /* coverity[unreachable] */
2212 info->compiled_method = mini_add_method_trampoline (callee, info->compiled_method, mono_method_needs_static_rgctx_invoke (callee, TRUE), FALSE);
2214 info->compiled_method = NULL;
2218 * We want to avoid AOTing 1000s of runtime-invoke wrappers when running
2219 * in full-aot mode, so we use a slower, but more generic wrapper if
2220 * possible, built on top of the OP_DYN_CALL opcode provided by the JIT.
2222 #ifdef MONO_ARCH_DYN_CALL_SUPPORTED
2223 if (!mono_llvm_only && (mono_aot_only || debug_options.dyn_runtime_invoke)) {
2225 MonoMethodSignature *sig = mono_method_signature (method);
2226 gboolean supported = TRUE;
2229 if (method->string_ctor)
2230 sig = mono_marshal_get_string_ctor_signature (method);
2231 g_assert (!info->needs_rgctx);
2233 for (i = 0; i < sig->param_count; ++i) {
2234 MonoType *t = sig->params [i];
2236 if (t->byref && t->type == MONO_TYPE_GENERICINST && mono_class_is_nullable (mono_class_from_mono_type (t)))
2240 if (mono_class_is_contextbound (method->klass) || !info->compiled_method)
2244 info->dyn_call_info = mono_arch_dyn_call_prepare (sig);
2246 ret_type = sig->ret;
2247 if (info->dyn_call_info) {
2248 switch (ret_type->type) {
2249 case MONO_TYPE_VOID:
2261 case MONO_TYPE_BOOLEAN:
2262 case MONO_TYPE_CHAR:
2265 info->ret_box_class = mono_class_from_mono_type (ret_type);
2268 info->ret_box_class = mono_defaults.int_class;
2270 case MONO_TYPE_STRING:
2271 case MONO_TYPE_CLASS:
2272 case MONO_TYPE_ARRAY:
2273 case MONO_TYPE_SZARRAY:
2274 case MONO_TYPE_OBJECT:
2276 case MONO_TYPE_GENERICINST:
2277 if (!MONO_TYPE_IS_REFERENCE (ret_type))
2278 info->ret_box_class = mono_class_from_mono_type (ret_type);
2280 case MONO_TYPE_VALUETYPE:
2281 info->ret_box_class = mono_class_from_mono_type (ret_type);
2284 g_assert_not_reached ();
2291 if (!info->dyn_call_info)
2292 info->runtime_invoke = mono_jit_compile_method (invoke);
2294 mono_domain_lock (domain);
2295 info2 = mono_conc_hashtable_insert (domain_info->runtime_invoke_hash, method, info);
2296 mono_domain_unlock (domain);
2303 runtime_invoke = info->runtime_invoke;
2306 * We need this here because mono_marshal_get_runtime_invoke can place
2307 * the helper method in System.Object and not the target class.
2310 *exc = (MonoObject*)mono_runtime_class_init_full (info->vtable, FALSE);
2314 mono_runtime_class_init (info->vtable);
2317 /* The wrappers expect this to be initialized to NULL */
2321 #ifdef MONO_ARCH_DYN_CALL_SUPPORTED
2322 if (info->dyn_call_info) {
2323 MonoMethodSignature *sig = mono_method_signature (method);
2325 static RuntimeInvokeDynamicFunction dyn_runtime_invoke;
2328 guint8 retval [256];
2331 if (!dyn_runtime_invoke) {
2332 invoke = mono_marshal_get_runtime_invoke_dynamic ();
2333 dyn_runtime_invoke = mono_jit_compile_method (invoke);
2336 /* Convert the arguments to the format expected by start_dyn_call () */
2337 args = g_alloca ((sig->param_count + sig->hasthis + info->needs_rgctx) * sizeof (gpointer));
2340 args [pindex ++] = &obj;
2341 if (info->needs_rgctx) {
2342 rgctx = mini_method_get_rgctx (method);
2343 args [pindex ++] = &rgctx;
2345 for (i = 0; i < sig->param_count; ++i) {
2346 MonoType *t = sig->params [i];
2349 args [pindex ++] = ¶ms [i];
2350 } else if (MONO_TYPE_IS_REFERENCE (t) || t->type == MONO_TYPE_PTR) {
2351 args [pindex ++] = ¶ms [i];
2353 args [pindex ++] = params [i];
2357 //printf ("M: %s\n", mono_method_full_name (method, TRUE));
2359 mono_arch_start_dyn_call (info->dyn_call_info, (gpointer**)args, retval, buf, sizeof (buf));
2361 dyn_runtime_invoke (buf, exc, info->compiled_method);
2363 mono_arch_finish_dyn_call (info->dyn_call_info, buf);
2365 if (info->ret_box_class)
2366 return mono_value_box (domain, info->ret_box_class, retval);
2368 return *(MonoObject**)retval;
2372 if (info->needs_rgctx) {
2373 MonoMethodSignature *sig = mono_method_signature (method);
2378 args = g_alloca ((sig->param_count + sig->hasthis + info->needs_rgctx) * sizeof (gpointer));
2380 rgctx = mini_method_get_rgctx (method);
2381 args [pindex ++] = &rgctx;
2382 for (i = 0; i < sig->param_count; ++i)
2383 args [pindex ++] = params [i];
2384 return runtime_invoke (obj, args, exc, info->compiled_method);
2386 return runtime_invoke (obj, params, exc, info->compiled_method);
2390 MONO_SIG_HANDLER_FUNC (, mono_sigfpe_signal_handler)
2392 MonoException *exc = NULL;
2394 MONO_SIG_HANDLER_INFO_TYPE *info = MONO_SIG_HANDLER_GET_INFO ();
2395 MONO_SIG_HANDLER_GET_CONTEXT;
2397 ji = mono_jit_info_table_find_internal (mono_domain_get (), mono_arch_ip_from_context (ctx), TRUE, TRUE);
2399 #if defined(MONO_ARCH_HAVE_IS_INT_OVERFLOW)
2400 if (mono_arch_is_int_overflow (ctx, info))
2402 * The spec says this throws ArithmeticException, but MS throws the derived
2403 * OverflowException.
2405 exc = mono_get_exception_overflow ();
2407 exc = mono_get_exception_divide_by_zero ();
2409 exc = mono_get_exception_divide_by_zero ();
2413 if (!mono_do_crash_chaining && mono_chain_signal (MONO_SIG_HANDLER_PARAMS))
2416 mono_handle_native_sigsegv (SIGSEGV, ctx, info);
2417 if (mono_do_crash_chaining) {
2418 mono_chain_signal (MONO_SIG_HANDLER_PARAMS);
2423 mono_arch_handle_exception (ctx, exc);
2426 MONO_SIG_HANDLER_FUNC (, mono_sigill_signal_handler)
2429 MONO_SIG_HANDLER_GET_CONTEXT;
2431 exc = mono_get_exception_execution_engine ("SIGILL");
2433 mono_arch_handle_exception (ctx, exc);
2436 #if defined(MONO_ARCH_USE_SIGACTION) || defined(HOST_WIN32)
2437 #define HAVE_SIG_INFO
2440 MONO_SIG_HANDLER_FUNC (, mono_sigsegv_signal_handler)
2443 MonoJitTlsData *jit_tls = mono_native_tls_get_value (mono_jit_tls_id);
2444 gpointer fault_addr = NULL;
2445 #ifdef HAVE_SIG_INFO
2446 MONO_SIG_HANDLER_INFO_TYPE *info = MONO_SIG_HANDLER_GET_INFO ();
2450 MONO_SIG_HANDLER_GET_CONTEXT;
2452 #if defined(MONO_ARCH_SOFT_DEBUG_SUPPORTED) && defined(HAVE_SIG_INFO)
2453 if (mono_arch_is_single_step_event (info, ctx)) {
2454 mono_debugger_agent_single_step_event (ctx);
2456 } else if (mono_arch_is_breakpoint_event (info, ctx)) {
2457 mono_debugger_agent_breakpoint_hit (ctx);
2462 #if defined(HAVE_SIG_INFO)
2463 #if !defined(HOST_WIN32)
2464 fault_addr = info->si_addr;
2465 if (mono_aot_is_pagefault (info->si_addr)) {
2466 mono_aot_handle_pagefault (info->si_addr);
2471 /* The thread might no be registered with the runtime */
2472 if (!mono_domain_get () || !jit_tls) {
2473 if (!mono_do_crash_chaining && mono_chain_signal (MONO_SIG_HANDLER_PARAMS))
2475 mono_handle_native_sigsegv (SIGSEGV, ctx, info);
2476 if (mono_do_crash_chaining) {
2477 mono_chain_signal (MONO_SIG_HANDLER_PARAMS);
2483 ji = mono_jit_info_table_find_internal (mono_domain_get (), mono_arch_ip_from_context (ctx), TRUE, TRUE);
2485 #ifdef MONO_ARCH_SIGSEGV_ON_ALTSTACK
2486 if (mono_handle_soft_stack_ovf (jit_tls, ji, ctx, info, (guint8*)info->si_addr))
2489 #ifdef MONO_ARCH_HAVE_SIGCTX_TO_MONOCTX
2490 /* info->si_addr seems to be NULL on some kernels when handling stack overflows */
2491 fault_addr = info->si_addr;
2492 if (fault_addr == NULL) {
2495 mono_sigctx_to_monoctx (ctx, &mctx);
2497 fault_addr = MONO_CONTEXT_GET_SP (&mctx);
2501 if (jit_tls->stack_size &&
2502 ABS ((guint8*)fault_addr - ((guint8*)jit_tls->end_of_stack - jit_tls->stack_size)) < 8192 * sizeof (gpointer)) {
2504 * The hard-guard page has been hit: there is not much we can do anymore
2505 * Print a hopefully clear message and abort.
2507 mono_handle_hard_stack_ovf (jit_tls, ji, ctx, (guint8*)info->si_addr);
2508 g_assert_not_reached ();
2510 /* The original handler might not like that it is executed on an altstack... */
2511 if (!ji && mono_chain_signal (MONO_SIG_HANDLER_PARAMS))
2514 mono_arch_handle_altstack_exception (ctx, info, info->si_addr, FALSE);
2519 if (!mono_do_crash_chaining && mono_chain_signal (MONO_SIG_HANDLER_PARAMS))
2522 mono_handle_native_sigsegv (SIGSEGV, ctx, info);
2524 if (mono_do_crash_chaining) {
2525 mono_chain_signal (MONO_SIG_HANDLER_PARAMS);
2530 mono_arch_handle_exception (ctx, NULL);
2534 MONO_SIG_HANDLER_FUNC (, mono_sigint_signal_handler)
2537 MONO_SIG_HANDLER_GET_CONTEXT;
2539 exc = mono_get_exception_execution_engine ("Interrupted (SIGINT).");
2541 mono_arch_handle_exception (ctx, exc);
2544 #ifndef DISABLE_REMOTING
2545 /* mono_jit_create_remoting_trampoline:
2546 * @method: pointer to the method info
2548 * Creates a trampoline which calls the remoting functions. This
2549 * is used in the vtable of transparent proxies.
2551 * Returns: a pointer to the newly created code
2554 mono_jit_create_remoting_trampoline (MonoDomain *domain, MonoMethod *method, MonoRemotingTarget target)
2557 guint8 *addr = NULL;
2559 if ((method->flags & METHOD_ATTRIBUTE_VIRTUAL) && mono_method_signature (method)->generic_param_count) {
2560 return mono_create_specific_trampoline (method, MONO_TRAMPOLINE_GENERIC_VIRTUAL_REMOTING,
2564 if ((method->flags & METHOD_ATTRIBUTE_ABSTRACT) ||
2565 (mono_method_signature (method)->hasthis && (mono_class_is_marshalbyref (method->klass) || method->klass == mono_defaults.object_class))) {
2566 nm = mono_marshal_get_remoting_invoke_for_target (method, target);
2567 addr = mono_compile_method (nm);
2570 addr = mono_compile_method (method);
2572 return mono_get_addr_from_ftnptr (addr);
2577 no_imt_trampoline (void)
2579 g_assert_not_reached ();
2583 no_vcall_trampoline (void)
2585 g_assert_not_reached ();
2588 static gpointer *vtable_trampolines;
2589 static int vtable_trampolines_size;
2592 mini_get_vtable_trampoline (int slot_index)
2594 int index = slot_index + MONO_IMT_SIZE;
2596 if (mono_llvm_only) {
2599 /* The vtable/imt construction code in object.c depends on this being non-NULL */
2600 return no_imt_trampoline;
2602 return no_vcall_trampoline;
2605 g_assert (slot_index >= - MONO_IMT_SIZE);
2606 if (!vtable_trampolines || slot_index + MONO_IMT_SIZE >= vtable_trampolines_size) {
2608 if (!vtable_trampolines || index >= vtable_trampolines_size) {
2612 new_size = vtable_trampolines_size ? vtable_trampolines_size * 2 : 128;
2613 while (new_size <= index)
2615 new_table = g_new0 (gpointer, new_size);
2617 if (vtable_trampolines)
2618 memcpy (new_table, vtable_trampolines, vtable_trampolines_size * sizeof (gpointer));
2619 g_free (vtable_trampolines);
2620 mono_memory_barrier ();
2621 vtable_trampolines = new_table;
2622 vtable_trampolines_size = new_size;
2627 if (!vtable_trampolines [index])
2628 vtable_trampolines [index] = mono_create_specific_trampoline (GUINT_TO_POINTER (slot_index), MONO_TRAMPOLINE_VCALL, mono_get_root_domain (), NULL);
2629 return vtable_trampolines [index];
2633 mono_get_delegate_virtual_invoke_impl (MonoMethodSignature *sig, MonoMethod *method)
2635 gboolean is_virtual_generic, is_interface, load_imt_reg;
2638 static guint8 **cache = NULL;
2639 static int cache_size = 0;
2644 if (MONO_TYPE_ISSTRUCT (sig->ret))
2647 is_virtual_generic = method->is_inflated && mono_method_get_declaring_generic_method (method)->is_generic;
2648 is_interface = method->klass->flags & TYPE_ATTRIBUTE_INTERFACE ? TRUE : FALSE;
2649 load_imt_reg = is_virtual_generic || is_interface;
2651 if (is_interface && !is_virtual_generic)
2652 offset = ((gint32)mono_method_get_imt_slot (method) - MONO_IMT_SIZE) * SIZEOF_VOID_P;
2654 offset = G_STRUCT_OFFSET (MonoVTable, vtable) + ((mono_method_get_vtable_index (method)) * (SIZEOF_VOID_P));
2656 idx = (offset / SIZEOF_VOID_P + MONO_IMT_SIZE) * 2 + (load_imt_reg ? 1 : 0);
2657 g_assert (idx >= 0);
2659 /* Resize the cache to idx + 1 */
2660 if (cache_size < idx + 1) {
2662 if (cache_size < idx + 1) {
2664 int new_cache_size = idx + 1;
2666 new_cache = g_new0 (guint8*, new_cache_size);
2668 memcpy (new_cache, cache, cache_size * sizeof (guint8*));
2671 mono_memory_barrier ();
2673 cache_size = new_cache_size;
2681 /* FIXME Support more cases */
2682 if (mono_aot_only) {
2683 char tramp_name [256];
2684 const char *imt = load_imt_reg ? "_imt" : "";
2685 int ind = (load_imt_reg ? (-offset) : offset) / SIZEOF_VOID_P;
2687 sprintf (tramp_name, "delegate_virtual_invoke%s_%d", imt, ind);
2688 cache [idx] = mono_aot_get_trampoline (tramp_name);
2689 g_assert (cache [idx]);
2691 cache [idx] = mono_arch_get_delegate_virtual_invoke_impl (sig, method, offset, load_imt_reg);
2697 mini_get_imt_trampoline (int slot_index)
2699 return mini_get_vtable_trampoline (slot_index - MONO_IMT_SIZE);
2703 mini_parse_debug_options (void)
2705 const char *options = g_getenv ("MONO_DEBUG");
2706 gchar **args, **ptr;
2711 args = g_strsplit (options, ",", -1);
2713 for (ptr = args; ptr && *ptr; ptr++) {
2714 const char *arg = *ptr;
2716 if (!strcmp (arg, "handle-sigint"))
2717 debug_options.handle_sigint = TRUE;
2718 else if (!strcmp (arg, "keep-delegates"))
2719 debug_options.keep_delegates = TRUE;
2720 else if (!strcmp (arg, "reverse-pinvoke-exceptions"))
2721 debug_options.reverse_pinvoke_exceptions = TRUE;
2722 else if (!strcmp (arg, "collect-pagefault-stats"))
2723 debug_options.collect_pagefault_stats = TRUE;
2724 else if (!strcmp (arg, "break-on-unverified"))
2725 debug_options.break_on_unverified = TRUE;
2726 else if (!strcmp (arg, "no-gdb-backtrace"))
2727 debug_options.no_gdb_backtrace = TRUE;
2728 else if (!strcmp (arg, "suspend-on-sigsegv"))
2729 debug_options.suspend_on_sigsegv = TRUE;
2730 else if (!strcmp (arg, "suspend-on-exception"))
2731 debug_options.suspend_on_exception = TRUE;
2732 else if (!strcmp (arg, "suspend-on-unhandled"))
2733 debug_options.suspend_on_unhandled = TRUE;
2734 else if (!strcmp (arg, "dont-free-domains"))
2735 mono_dont_free_domains = TRUE;
2736 else if (!strcmp (arg, "dyn-runtime-invoke"))
2737 debug_options.dyn_runtime_invoke = TRUE;
2738 else if (!strcmp (arg, "gdb"))
2739 debug_options.gdb = TRUE;
2740 else if (!strcmp (arg, "explicit-null-checks"))
2741 debug_options.explicit_null_checks = TRUE;
2742 else if (!strcmp (arg, "gen-seq-points"))
2743 debug_options.gen_sdb_seq_points = TRUE;
2744 else if (!strcmp (arg, "gen-compact-seq-points"))
2745 debug_options.gen_seq_points_compact_data = TRUE;
2746 else if (!strcmp (arg, "single-imm-size"))
2747 debug_options.single_imm_size = TRUE;
2748 else if (!strcmp (arg, "init-stacks"))
2749 debug_options.init_stacks = TRUE;
2750 else if (!strcmp (arg, "casts"))
2751 debug_options.better_cast_details = TRUE;
2752 else if (!strcmp (arg, "soft-breakpoints"))
2753 debug_options.soft_breakpoints = TRUE;
2754 else if (!strcmp (arg, "check-pinvoke-callconv"))
2755 debug_options.check_pinvoke_callconv = TRUE;
2756 else if (!strcmp (arg, "arm-use-fallback-tls"))
2757 debug_options.arm_use_fallback_tls = TRUE;
2758 else if (!strcmp (arg, "debug-domain-unload"))
2759 mono_enable_debug_domain_unload (TRUE);
2760 else if (!strcmp (arg, "partial-sharing"))
2761 mono_set_partial_sharing_supported (TRUE);
2762 else if (!strcmp (arg, "align-small-structs"))
2763 mono_align_small_structs = TRUE;
2764 else if (!strcmp (arg, "native-debugger-break"))
2765 debug_options.native_debugger_break = TRUE;
2767 fprintf (stderr, "Invalid option for the MONO_DEBUG env variable: %s\n", arg);
2768 fprintf (stderr, "Available options: 'handle-sigint', 'keep-delegates', 'reverse-pinvoke-exceptions', 'collect-pagefault-stats', 'break-on-unverified', 'no-gdb-backtrace', 'suspend-on-sigsegv', 'suspend-on-exception', 'suspend-on-unhandled', 'dont-free-domains', 'dyn-runtime-invoke', 'gdb', 'explicit-null-checks', 'gen-seq-points', 'gen-compact-seq-points', 'single-imm-size', 'init-stacks', 'casts', 'soft-breakpoints', 'check-pinvoke-callconv', 'arm-use-fallback-tls', 'debug-domain-unload', 'partial-sharing', 'align-small-structs', 'native-debugger-break'\n");
2777 mini_get_debug_options (void)
2779 return &debug_options;
2783 mini_create_ftnptr (MonoDomain *domain, gpointer addr)
2785 #if !defined(__ia64__) && (!defined(__ppc64__) && !defined(__powerpc64__) || _CALL_ELF == 2)
2788 gpointer* desc = NULL;
2790 if ((desc = g_hash_table_lookup (domain->ftnptrs_hash, addr)))
2793 desc = mono_domain_code_reserve (domain, 2 * sizeof (gpointer));
2797 # elif defined(__ppc64__) || defined(__powerpc64__)
2799 desc = mono_domain_alloc0 (domain, 3 * sizeof (gpointer));
2805 g_hash_table_insert (domain->ftnptrs_hash, addr, desc);
2811 mini_get_addr_from_ftnptr (gpointer descr)
2813 #if defined(__ia64__) || ((defined(__ppc64__) || defined(__powerpc64__)) && _CALL_ELF != 2)
2814 return *(gpointer*)descr;
2821 register_jit_stats (void)
2823 mono_counters_register ("Compiled methods", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.methods_compiled);
2824 mono_counters_register ("Methods from AOT", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.methods_aot);
2825 mono_counters_register ("Methods JITted using mono JIT", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.methods_without_llvm);
2826 mono_counters_register ("Methods JITted using LLVM", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.methods_with_llvm);
2827 mono_counters_register ("Total time spent JITting (sec)", MONO_COUNTER_JIT | MONO_COUNTER_DOUBLE, &mono_jit_stats.jit_time);
2828 mono_counters_register ("Basic blocks", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.basic_blocks);
2829 mono_counters_register ("Max basic blocks", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.max_basic_blocks);
2830 mono_counters_register ("Allocated vars", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.allocate_var);
2831 mono_counters_register ("Code reallocs", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.code_reallocs);
2832 mono_counters_register ("Allocated code size", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.allocated_code_size);
2833 mono_counters_register ("Allocated seq points size", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.allocated_seq_points_size);
2834 mono_counters_register ("Inlineable methods", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.inlineable_methods);
2835 mono_counters_register ("Inlined methods", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.inlined_methods);
2836 mono_counters_register ("Regvars", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.regvars);
2837 mono_counters_register ("Locals stack size", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.locals_stack_size);
2838 mono_counters_register ("Method cache lookups", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.methods_lookups);
2839 mono_counters_register ("Compiled CIL code size", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.cil_code_size);
2840 mono_counters_register ("Native code size", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.native_code_size);
2841 mono_counters_register ("Aliases found", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.alias_found);
2842 mono_counters_register ("Aliases eliminated", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.alias_removed);
2843 mono_counters_register ("Aliased loads eliminated", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.loads_eliminated);
2844 mono_counters_register ("Aliased stores eliminated", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.stores_eliminated);
2847 static void runtime_invoke_info_free (gpointer value);
2850 class_method_pair_equal (gconstpointer ka, gconstpointer kb)
2852 const MonoClassMethodPair *apair = ka;
2853 const MonoClassMethodPair *bpair = kb;
2855 return apair->klass == bpair->klass && apair->method == bpair->method ? 1 : 0;
2859 class_method_pair_hash (gconstpointer data)
2861 const MonoClassMethodPair *pair = data;
2863 return (gsize)pair->klass ^ (gsize)pair->method;
2867 mini_create_jit_domain_info (MonoDomain *domain)
2869 MonoJitDomainInfo *info = g_new0 (MonoJitDomainInfo, 1);
2871 info->jump_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
2872 info->jit_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
2873 info->delegate_trampoline_hash = g_hash_table_new (class_method_pair_hash, class_method_pair_equal);
2874 info->llvm_vcall_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
2875 info->runtime_invoke_hash = mono_conc_hashtable_new_full (mono_aligned_addr_hash, NULL, NULL, runtime_invoke_info_free);
2876 info->seq_points = g_hash_table_new_full (mono_aligned_addr_hash, NULL, NULL, mono_seq_point_info_free);
2877 info->arch_seq_points = g_hash_table_new (mono_aligned_addr_hash, NULL);
2878 info->jump_target_hash = g_hash_table_new (NULL, NULL);
2880 domain->runtime_info = info;
2884 delete_jump_list (gpointer key, gpointer value, gpointer user_data)
2886 MonoJumpList *jlist = value;
2887 g_slist_free (jlist->list);
2891 delete_got_slot_list (gpointer key, gpointer value, gpointer user_data)
2893 GSList *list = value;
2894 g_slist_free (list);
2898 dynamic_method_info_free (gpointer key, gpointer value, gpointer user_data)
2900 MonoJitDynamicMethodInfo *di = value;
2901 mono_code_manager_destroy (di->code_mp);
2906 runtime_invoke_info_free (gpointer value)
2908 RuntimeInvokeInfo *info = (RuntimeInvokeInfo*)value;
2910 #ifdef MONO_ARCH_DYN_CALL_SUPPORTED
2911 if (info->dyn_call_info)
2912 mono_arch_dyn_call_free (info->dyn_call_info);
2918 mini_free_jit_domain_info (MonoDomain *domain)
2920 MonoJitDomainInfo *info = domain_jit_info (domain);
2922 g_hash_table_foreach (info->jump_target_hash, delete_jump_list, NULL);
2923 g_hash_table_destroy (info->jump_target_hash);
2924 if (info->jump_target_got_slot_hash) {
2925 g_hash_table_foreach (info->jump_target_got_slot_hash, delete_got_slot_list, NULL);
2926 g_hash_table_destroy (info->jump_target_got_slot_hash);
2928 if (info->dynamic_code_hash) {
2929 g_hash_table_foreach (info->dynamic_code_hash, dynamic_method_info_free, NULL);
2930 g_hash_table_destroy (info->dynamic_code_hash);
2932 if (info->method_code_hash)
2933 g_hash_table_destroy (info->method_code_hash);
2934 g_hash_table_destroy (info->jump_trampoline_hash);
2935 g_hash_table_destroy (info->jit_trampoline_hash);
2936 g_hash_table_destroy (info->delegate_trampoline_hash);
2937 if (info->static_rgctx_trampoline_hash)
2938 g_hash_table_destroy (info->static_rgctx_trampoline_hash);
2939 g_hash_table_destroy (info->llvm_vcall_trampoline_hash);
2940 mono_conc_hashtable_destroy (info->runtime_invoke_hash);
2941 g_hash_table_destroy (info->seq_points);
2942 g_hash_table_destroy (info->arch_seq_points);
2943 if (info->agent_info)
2944 mono_debugger_agent_free_domain_info (domain);
2945 if (info->gsharedvt_arg_tramp_hash)
2946 g_hash_table_destroy (info->gsharedvt_arg_tramp_hash);
2948 mono_llvm_free_domain_info (domain);
2951 g_free (domain->runtime_info);
2952 domain->runtime_info = NULL;
2957 llvm_init_inner (void)
2959 if (!mono_llvm_load (NULL))
2970 * Load and initialize LLVM support.
2971 * Return TRUE on success.
2974 mini_llvm_init (void)
2977 static gboolean llvm_inited;
2978 static gboolean init_result;
2980 mono_loader_lock_if_inited ();
2982 init_result = llvm_init_inner ();
2985 mono_loader_unlock_if_inited ();
2993 mini_init (const char *filename, const char *runtime_version)
2996 MonoRuntimeCallbacks callbacks;
2997 MonoThreadInfoRuntimeCallbacks ticallbacks;
2999 MONO_VES_INIT_BEGIN ();
3001 CHECKED_MONO_INIT ();
3003 #if defined(__linux__) && !defined(__native_client__)
3004 if (access ("/proc/self/maps", F_OK) != 0) {
3005 g_print ("Mono requires /proc to be mounted.\n");
3010 mono_mutex_init_recursive (&jit_mutex);
3012 mono_cross_helpers_run ();
3016 /* Happens when using the embedding interface */
3017 if (!default_opt_set)
3018 default_opt = mono_parse_default_optimizations (NULL);
3020 #ifdef MONO_ARCH_GSHAREDVT_SUPPORTED
3022 mono_set_generic_sharing_vt_supported (TRUE);
3025 #ifdef MONO_HAVE_FAST_TLS
3026 MONO_FAST_TLS_INIT (mono_jit_tls);
3027 MONO_FAST_TLS_INIT (mono_lmf_addr);
3028 #ifdef MONO_ARCH_ENABLE_MONO_LMF_VAR
3029 MONO_FAST_TLS_INIT (mono_lmf);
3033 mono_runtime_set_has_tls_get (MONO_ARCH_HAVE_TLS_GET);
3035 if (!global_codeman)
3036 global_codeman = mono_code_manager_new ();
3038 memset (&callbacks, 0, sizeof (callbacks));
3039 callbacks.create_ftnptr = mini_create_ftnptr;
3040 callbacks.get_addr_from_ftnptr = mini_get_addr_from_ftnptr;
3041 callbacks.get_runtime_build_info = mono_get_runtime_build_info;
3042 callbacks.set_cast_details = mono_set_cast_details;
3043 callbacks.debug_log = mono_debugger_agent_debug_log;
3044 callbacks.debug_log_is_enabled = mono_debugger_agent_debug_log_is_enabled;
3045 callbacks.tls_key_supported = mini_tls_key_supported;
3047 callbacks.get_vtable_trampoline = mini_get_vtable_trampoline;
3048 callbacks.get_imt_trampoline = mini_get_imt_trampoline;
3050 mono_install_callbacks (&callbacks);
3052 memset (&ticallbacks, 0, sizeof (ticallbacks));
3053 ticallbacks.setup_async_callback = mono_setup_async_callback;
3054 ticallbacks.thread_state_init_from_sigctx = mono_thread_state_init_from_sigctx;
3055 ticallbacks.thread_state_init_from_handle = mono_thread_state_init_from_handle;
3056 ticallbacks.thread_state_init = mono_thread_state_init;
3058 mono_counters_init ();
3060 mono_threads_runtime_init (&ticallbacks);
3062 if (g_getenv ("MONO_DEBUG") != NULL)
3063 mini_parse_debug_options ();
3065 mono_code_manager_init ();
3069 mono_arch_cpu_init ();
3073 mono_unwind_init ();
3075 #ifdef XDEBUG_ENABLED
3076 if (g_getenv ("MONO_XDEBUG")) {
3077 const char *xdebug_opts = g_getenv ("MONO_XDEBUG");
3078 mono_xdebug_init (xdebug_opts);
3079 /* So methods for multiple domains don't have the same address */
3080 mono_dont_free_domains = TRUE;
3081 mono_using_xdebug = TRUE;
3082 } else if (mini_get_debug_options ()->gdb) {
3083 mono_xdebug_init ((char*)"gdb");
3084 mono_dont_free_domains = TRUE;
3085 mono_using_xdebug = TRUE;
3090 if (mono_use_llvm) {
3091 if (!mono_llvm_load (NULL)) {
3092 mono_use_llvm = FALSE;
3093 fprintf (stderr, "Mono Warning: llvm support could not be loaded.\n");
3100 mono_trampolines_init ();
3102 mono_native_tls_alloc (&mono_jit_tls_id, NULL);
3104 if (default_opt & MONO_OPT_AOT)
3107 mono_debugger_agent_init ();
3109 #ifdef MONO_ARCH_GSHARED_SUPPORTED
3110 mono_set_generic_sharing_supported (TRUE);
3113 #ifndef MONO_CROSS_COMPILE
3114 mono_runtime_install_handlers ();
3116 mono_threads_install_cleanup (mini_thread_cleanup);
3118 #define JIT_TRAMPOLINES_WORK
3119 #ifdef JIT_TRAMPOLINES_WORK
3120 mono_install_compile_method (mono_jit_compile_method);
3121 mono_install_free_method (mono_jit_free_method);
3122 mono_install_trampoline (mono_create_jit_trampoline);
3123 mono_install_jump_trampoline (mono_create_jump_trampoline);
3124 #ifndef DISABLE_REMOTING
3125 mono_install_remoting_trampoline (mono_jit_create_remoting_trampoline);
3127 mono_install_delegate_trampoline (mono_create_delegate_trampoline);
3128 mono_install_create_domain_hook (mini_create_jit_domain_info);
3129 mono_install_free_domain_hook (mini_free_jit_domain_info);
3131 #define JIT_INVOKE_WORKS
3132 #ifdef JIT_INVOKE_WORKS
3133 mono_install_runtime_invoke (mono_jit_runtime_invoke);
3135 mono_install_get_cached_class_info (mono_aot_get_cached_class_info);
3136 mono_install_get_class_from_name (mono_aot_get_class_from_name);
3137 mono_install_jit_info_find_in_aot (mono_aot_find_jit_info);
3139 if (debug_options.collect_pagefault_stats)
3140 mono_aot_set_make_unreadable (TRUE);
3142 if (runtime_version)
3143 domain = mono_init_version (filename, runtime_version);
3145 domain = mono_init_from_assembly (filename, filename);
3147 if (mono_aot_only) {
3148 /* This helps catch code allocation requests */
3149 mono_code_manager_set_read_only (domain->code_mp);
3150 mono_marshal_use_aot_wrappers (TRUE);
3154 mono_install_imt_thunk_builder (mono_aot_get_imt_thunk);
3156 mono_install_imt_thunk_builder (mono_arch_build_imt_thunk);
3158 /*Init arch tls information only after the metadata side is inited to make sure we see dynamic appdomain tls keys*/
3159 mono_arch_finish_init ();
3163 /* This must come after mono_init () in the aot-only case */
3164 mono_exceptions_init ();
3166 /* This should come after mono_init () too */
3170 mono_create_helper_signatures ();
3173 register_jit_stats ();
3175 #define JIT_CALLS_WORK
3176 #ifdef JIT_CALLS_WORK
3177 /* Needs to be called here since register_jit_icall depends on it */
3178 mono_marshal_init ();
3180 mono_arch_register_lowlevel_calls ();
3184 mono_generic_sharing_init ();
3187 #ifdef MONO_ARCH_SIMD_INTRINSICS
3188 mono_simd_intrinsics_init ();
3191 #if MONO_SUPPORT_TASKLETS
3192 mono_tasklets_init ();
3195 register_trampolines (domain);
3197 if (mono_compile_aot)
3199 * Avoid running managed code when AOT compiling, since the platform
3200 * might only support aot-only execution.
3202 mono_runtime_set_no_exec (TRUE);
3204 #define JIT_RUNTIME_WORKS
3205 #ifdef JIT_RUNTIME_WORKS
3206 mono_install_runtime_cleanup ((MonoDomainFunc)mini_cleanup);
3207 mono_runtime_init (domain, mono_thread_start_cb, mono_thread_attach_cb);
3208 mono_thread_attach (domain);
3211 mono_profiler_runtime_initialized ();
3213 MONO_VES_INIT_END ();
3219 register_icalls (void)
3221 mono_add_internal_call ("System.Diagnostics.StackFrame::get_frame_info",
3222 ves_icall_get_frame_info);
3223 mono_add_internal_call ("System.Diagnostics.StackTrace::get_trace",
3224 ves_icall_get_trace);
3225 mono_add_internal_call ("Mono.Runtime::mono_runtime_install_handlers",
3226 mono_runtime_install_handlers);
3228 #if defined(PLATFORM_ANDROID) || defined(TARGET_ANDROID)
3229 mono_add_internal_call ("System.Diagnostics.Debugger::Mono_UnhandledException_internal",
3230 mono_debugger_agent_unhandled_exception);
3234 * It's important that we pass `TRUE` as the last argument here, as
3235 * it causes the JIT to omit a wrapper for these icalls. If the JIT
3236 * *did* emit a wrapper, we'd be looking at infinite recursion since
3237 * the wrapper would call the icall which would call the wrapper and
3240 register_icall (mono_profiler_method_enter, "mono_profiler_method_enter", "void ptr", TRUE);
3241 register_icall (mono_profiler_method_leave, "mono_profiler_method_leave", "void ptr", TRUE);
3243 register_icall (mono_trace_enter_method, "mono_trace_enter_method", NULL, TRUE);
3244 register_icall (mono_trace_leave_method, "mono_trace_leave_method", NULL, TRUE);
3245 register_icall (mono_get_lmf_addr, "mono_get_lmf_addr", "ptr", TRUE);
3246 register_icall (mono_jit_thread_attach, "mono_jit_thread_attach", "ptr ptr", TRUE);
3247 register_icall (mono_jit_set_domain, "mono_jit_set_domain", "void ptr", TRUE);
3248 register_icall (mono_domain_get, "mono_domain_get", "ptr", TRUE);
3250 register_dyn_icall (mono_get_throw_exception (), "mono_arch_throw_exception", "void object", TRUE);
3251 register_dyn_icall (mono_get_rethrow_exception (), "mono_arch_rethrow_exception", "void object", TRUE);
3252 register_dyn_icall (mono_get_throw_corlib_exception (), "mono_arch_throw_corlib_exception", "void ptr", TRUE);
3253 register_icall (mono_thread_get_undeniable_exception, "mono_thread_get_undeniable_exception", "object", FALSE);
3254 register_icall (mono_thread_interruption_checkpoint, "mono_thread_interruption_checkpoint", "object", FALSE);
3255 register_icall (mono_thread_force_interruption_checkpoint_noraise, "mono_thread_force_interruption_checkpoint_noraise", "object", FALSE);
3256 register_icall (mono_thread_force_interruption_checkpoint, "mono_thread_force_interruption_checkpoint", "void", FALSE);
3257 #ifndef DISABLE_REMOTING
3258 register_icall (mono_load_remote_field_new, "mono_load_remote_field_new", "object object ptr ptr", FALSE);
3259 register_icall (mono_store_remote_field_new, "mono_store_remote_field_new", "void object ptr ptr object", FALSE);
3262 #if defined(__native_client__) || defined(__native_client_codegen__)
3263 register_icall (mono_nacl_gc, "mono_nacl_gc", "void", FALSE);
3265 #if defined(USE_COOP_GC)
3266 register_icall (mono_threads_state_poll, "mono_threads_state_poll", "void", FALSE);
3269 #ifndef MONO_ARCH_NO_EMULATE_LONG_MUL_OPTS
3270 register_opcode_emulation (OP_LMUL, "__emul_lmul", "long long long", mono_llmult, "mono_llmult", TRUE);
3271 register_opcode_emulation (OP_LDIV, "__emul_ldiv", "long long long", mono_lldiv, "mono_lldiv", FALSE);
3272 register_opcode_emulation (OP_LDIV_UN, "__emul_ldiv_un", "long long long", mono_lldiv_un, "mono_lldiv_un", FALSE);
3273 register_opcode_emulation (OP_LREM, "__emul_lrem", "long long long", mono_llrem, "mono_llrem", FALSE);
3274 register_opcode_emulation (OP_LREM_UN, "__emul_lrem_un", "long long long", mono_llrem_un, "mono_llrem_un", FALSE);
3276 #if !defined(MONO_ARCH_NO_EMULATE_LONG_MUL_OPTS) || defined(MONO_ARCH_EMULATE_LONG_MUL_OVF_OPTS)
3277 register_opcode_emulation (OP_LMUL_OVF_UN, "__emul_lmul_ovf_un", "long long long", mono_llmult_ovf_un, "mono_llmult_ovf_un", FALSE);
3278 register_opcode_emulation (OP_LMUL_OVF, "__emul_lmul_ovf", "long long long", mono_llmult_ovf, "mono_llmult_ovf", FALSE);
3281 #ifndef MONO_ARCH_NO_EMULATE_LONG_SHIFT_OPS
3282 register_opcode_emulation (OP_LSHL, "__emul_lshl", "long long int32", mono_lshl, "mono_lshl", TRUE);
3283 register_opcode_emulation (OP_LSHR, "__emul_lshr", "long long int32", mono_lshr, "mono_lshr", TRUE);
3284 register_opcode_emulation (OP_LSHR_UN, "__emul_lshr_un", "long long int32", mono_lshr_un, "mono_lshr_un", TRUE);
3287 #if defined(MONO_ARCH_EMULATE_MUL_DIV) || defined(MONO_ARCH_EMULATE_DIV)
3288 register_opcode_emulation (OP_IDIV, "__emul_op_idiv", "int32 int32 int32", mono_idiv, "mono_idiv", FALSE);
3289 register_opcode_emulation (OP_IDIV_UN, "__emul_op_idiv_un", "int32 int32 int32", mono_idiv_un, "mono_idiv_un", FALSE);
3290 register_opcode_emulation (OP_IREM, "__emul_op_irem", "int32 int32 int32", mono_irem, "mono_irem", FALSE);
3291 register_opcode_emulation (OP_IREM_UN, "__emul_op_irem_un", "int32 int32 int32", mono_irem_un, "mono_irem_un", FALSE);
3294 #ifdef MONO_ARCH_EMULATE_MUL_DIV
3295 register_opcode_emulation (OP_IMUL, "__emul_op_imul", "int32 int32 int32", mono_imul, "mono_imul", TRUE);
3298 #if defined(MONO_ARCH_EMULATE_MUL_DIV) || defined(MONO_ARCH_EMULATE_MUL_OVF)
3299 register_opcode_emulation (OP_IMUL_OVF, "__emul_op_imul_ovf", "int32 int32 int32", mono_imul_ovf, "mono_imul_ovf", FALSE);
3300 register_opcode_emulation (OP_IMUL_OVF_UN, "__emul_op_imul_ovf_un", "int32 int32 int32", mono_imul_ovf_un, "mono_imul_ovf_un", FALSE);
3303 #if defined(MONO_ARCH_EMULATE_MUL_DIV) || defined(MONO_ARCH_SOFT_FLOAT_FALLBACK)
3304 if (ARCH_EMULATE_MUL_DIV || mono_arch_is_soft_float ()) {
3305 register_opcode_emulation (OP_FDIV, "__emul_fdiv", "double double double", mono_fdiv, "mono_fdiv", FALSE);
3309 register_opcode_emulation (OP_FCONV_TO_U8, "__emul_fconv_to_u8", "ulong double", mono_fconv_u8, "mono_fconv_u8", FALSE);
3310 register_opcode_emulation (OP_RCONV_TO_U8, "__emul_rconv_to_u8", "ulong float", mono_rconv_u8, "mono_rconv_u8", FALSE);
3311 register_opcode_emulation (OP_FCONV_TO_U4, "__emul_fconv_to_u4", "uint32 double", mono_fconv_u4, "mono_fconv_u4", FALSE);
3312 register_opcode_emulation (OP_FCONV_TO_OVF_I8, "__emul_fconv_to_ovf_i8", "long double", mono_fconv_ovf_i8, "mono_fconv_ovf_i8", FALSE);
3313 register_opcode_emulation (OP_FCONV_TO_OVF_U8, "__emul_fconv_to_ovf_u8", "ulong double", mono_fconv_ovf_u8, "mono_fconv_ovf_u8", FALSE);
3314 register_opcode_emulation (OP_RCONV_TO_OVF_I8, "__emul_rconv_to_ovf_i8", "long float", mono_rconv_ovf_i8, "mono_rconv_ovf_i8", FALSE);
3315 register_opcode_emulation (OP_RCONV_TO_OVF_U8, "__emul_rconv_to_ovf_u8", "ulong float", mono_rconv_ovf_u8, "mono_rconv_ovf_u8", FALSE);
3318 #ifdef MONO_ARCH_EMULATE_FCONV_TO_I8
3319 register_opcode_emulation (OP_FCONV_TO_I8, "__emul_fconv_to_i8", "long double", mono_fconv_i8, "mono_fconv_i8", FALSE);
3320 register_opcode_emulation (OP_RCONV_TO_I8, "__emul_rconv_to_i8", "long float", mono_rconv_i8, "mono_rconv_i8", FALSE);
3323 #ifdef MONO_ARCH_EMULATE_CONV_R8_UN
3324 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);
3326 #ifdef MONO_ARCH_EMULATE_LCONV_TO_R8
3327 register_opcode_emulation (OP_LCONV_TO_R8, "__emul_lconv_to_r8", "double long", mono_lconv_to_r8, "mono_lconv_to_r8", FALSE);
3329 #ifdef MONO_ARCH_EMULATE_LCONV_TO_R4
3330 register_opcode_emulation (OP_LCONV_TO_R4, "__emul_lconv_to_r4", "float long", mono_lconv_to_r4, "mono_lconv_to_r4", FALSE);
3332 #ifdef MONO_ARCH_EMULATE_LCONV_TO_R8_UN
3333 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);
3335 #ifdef MONO_ARCH_EMULATE_FREM
3336 #if defined(__default_codegen__)
3337 register_opcode_emulation (OP_FREM, "__emul_frem", "double double double", fmod, "fmod", FALSE);
3338 register_opcode_emulation (OP_RREM, "__emul_rrem", "float float float", fmodf, "fmodf", FALSE);
3339 #elif defined(__native_client_codegen__)
3340 register_opcode_emulation (OP_FREM, "__emul_frem", "double double double", mono_fmod, "mono_fmod", FALSE);
3344 #ifdef MONO_ARCH_SOFT_FLOAT_FALLBACK
3345 if (mono_arch_is_soft_float ()) {
3346 register_opcode_emulation (OP_FSUB, "__emul_fsub", "double double double", mono_fsub, "mono_fsub", FALSE);
3347 register_opcode_emulation (OP_FADD, "__emul_fadd", "double double double", mono_fadd, "mono_fadd", FALSE);
3348 register_opcode_emulation (OP_FMUL, "__emul_fmul", "double double double", mono_fmul, "mono_fmul", FALSE);
3349 register_opcode_emulation (OP_FNEG, "__emul_fneg", "double double", mono_fneg, "mono_fneg", FALSE);
3350 register_opcode_emulation (OP_ICONV_TO_R8, "__emul_iconv_to_r8", "double int32", mono_conv_to_r8, "mono_conv_to_r8", FALSE);
3351 register_opcode_emulation (OP_ICONV_TO_R4, "__emul_iconv_to_r4", "double int32", mono_conv_to_r4, "mono_conv_to_r4", FALSE);
3352 register_opcode_emulation (OP_FCONV_TO_R4, "__emul_fconv_to_r4", "double double", mono_fconv_r4, "mono_fconv_r4", FALSE);
3353 register_opcode_emulation (OP_FCONV_TO_I1, "__emul_fconv_to_i1", "int8 double", mono_fconv_i1, "mono_fconv_i1", FALSE);
3354 register_opcode_emulation (OP_FCONV_TO_I2, "__emul_fconv_to_i2", "int16 double", mono_fconv_i2, "mono_fconv_i2", FALSE);
3355 register_opcode_emulation (OP_FCONV_TO_I4, "__emul_fconv_to_i4", "int32 double", mono_fconv_i4, "mono_fconv_i4", FALSE);
3356 register_opcode_emulation (OP_FCONV_TO_U1, "__emul_fconv_to_u1", "uint8 double", mono_fconv_u1, "mono_fconv_u1", FALSE);
3357 register_opcode_emulation (OP_FCONV_TO_U2, "__emul_fconv_to_u2", "uint16 double", mono_fconv_u2, "mono_fconv_u2", FALSE);
3359 #if SIZEOF_VOID_P == 4
3360 register_opcode_emulation (OP_FCONV_TO_I, "__emul_fconv_to_i", "int32 double", mono_fconv_i4, "mono_fconv_i4", FALSE);
3363 register_opcode_emulation (OP_FBEQ, "__emul_fcmp_eq", "uint32 double double", mono_fcmp_eq, "mono_fcmp_eq", FALSE);
3364 register_opcode_emulation (OP_FBLT, "__emul_fcmp_lt", "uint32 double double", mono_fcmp_lt, "mono_fcmp_lt", FALSE);
3365 register_opcode_emulation (OP_FBGT, "__emul_fcmp_gt", "uint32 double double", mono_fcmp_gt, "mono_fcmp_gt", FALSE);
3366 register_opcode_emulation (OP_FBLE, "__emul_fcmp_le", "uint32 double double", mono_fcmp_le, "mono_fcmp_le", FALSE);
3367 register_opcode_emulation (OP_FBGE, "__emul_fcmp_ge", "uint32 double double", mono_fcmp_ge, "mono_fcmp_ge", FALSE);
3368 register_opcode_emulation (OP_FBNE_UN, "__emul_fcmp_ne_un", "uint32 double double", mono_fcmp_ne_un, "mono_fcmp_ne_un", FALSE);
3369 register_opcode_emulation (OP_FBLT_UN, "__emul_fcmp_lt_un", "uint32 double double", mono_fcmp_lt_un, "mono_fcmp_lt_un", FALSE);
3370 register_opcode_emulation (OP_FBGT_UN, "__emul_fcmp_gt_un", "uint32 double double", mono_fcmp_gt_un, "mono_fcmp_gt_un", FALSE);
3371 register_opcode_emulation (OP_FBLE_UN, "__emul_fcmp_le_un", "uint32 double double", mono_fcmp_le_un, "mono_fcmp_le_un", FALSE);
3372 register_opcode_emulation (OP_FBGE_UN, "__emul_fcmp_ge_un", "uint32 double double", mono_fcmp_ge_un, "mono_fcmp_ge_un", FALSE);
3374 register_opcode_emulation (OP_FCEQ, "__emul_fcmp_ceq", "uint32 double double", mono_fceq, "mono_fceq", FALSE);
3375 register_opcode_emulation (OP_FCGT, "__emul_fcmp_cgt", "uint32 double double", mono_fcgt, "mono_fcgt", FALSE);
3376 register_opcode_emulation (OP_FCGT_UN, "__emul_fcmp_cgt_un", "uint32 double double", mono_fcgt_un, "mono_fcgt_un", FALSE);
3377 register_opcode_emulation (OP_FCLT, "__emul_fcmp_clt", "uint32 double double", mono_fclt, "mono_fclt", FALSE);
3378 register_opcode_emulation (OP_FCLT_UN, "__emul_fcmp_clt_un", "uint32 double double", mono_fclt_un, "mono_fclt_un", FALSE);
3380 register_icall (mono_fload_r4, "mono_fload_r4", "double ptr", FALSE);
3381 register_icall (mono_fstore_r4, "mono_fstore_r4", "void double ptr", FALSE);
3382 register_icall (mono_fload_r4_arg, "mono_fload_r4_arg", "uint32 double", FALSE);
3383 register_icall (mono_isfinite, "mono_isfinite", "uint32 double", FALSE);
3387 #ifdef COMPRESSED_INTERFACE_BITMAP
3388 register_icall (mono_class_interface_match, "mono_class_interface_match", "uint32 ptr int32", TRUE);
3391 #if SIZEOF_REGISTER == 4
3392 register_opcode_emulation (OP_FCONV_TO_U, "__emul_fconv_to_u", "uint32 double", mono_fconv_u4, "mono_fconv_u4", TRUE);
3394 register_opcode_emulation (OP_FCONV_TO_U, "__emul_fconv_to_u", "ulong double", mono_fconv_u8, "mono_fconv_u8", TRUE);
3397 /* other jit icalls */
3398 register_icall (mono_delegate_ctor, "mono_delegate_ctor", "void object object ptr", FALSE);
3399 register_icall (mono_class_static_field_address , "mono_class_static_field_address",
3400 "ptr ptr ptr", FALSE);
3401 register_icall (mono_ldtoken_wrapper, "mono_ldtoken_wrapper", "ptr ptr ptr ptr", FALSE);
3402 register_icall (mono_ldtoken_wrapper_generic_shared, "mono_ldtoken_wrapper_generic_shared",
3403 "ptr ptr ptr ptr", FALSE);
3404 register_icall (mono_get_special_static_data, "mono_get_special_static_data", "ptr int", FALSE);
3405 register_icall (mono_ldstr, "mono_ldstr", "object ptr ptr int32", FALSE);
3406 register_icall (mono_helper_stelem_ref_check, "mono_helper_stelem_ref_check", "void object object", FALSE);
3407 register_icall (mono_object_new, "mono_object_new", "object ptr ptr", FALSE);
3408 register_icall (mono_object_new_specific, "mono_object_new_specific", "object ptr", FALSE);
3409 register_icall (mono_array_new, "mono_array_new", "object ptr ptr int32", FALSE);
3410 register_icall (mono_array_new_specific, "mono_array_new_specific", "object ptr int32", FALSE);
3411 register_icall (mono_runtime_class_init, "mono_runtime_class_init", "void ptr", FALSE);
3412 register_icall (mono_ldftn, "mono_ldftn", "ptr ptr", FALSE);
3413 register_icall (mono_ldvirtfn, "mono_ldvirtfn", "ptr object ptr", FALSE);
3414 register_icall (mono_ldvirtfn_gshared, "mono_ldvirtfn_gshared", "ptr object ptr", FALSE);
3415 register_icall (mono_helper_compile_generic_method, "mono_helper_compile_generic_method", "ptr object ptr ptr", FALSE);
3416 register_icall (mono_helper_ldstr, "mono_helper_ldstr", "object ptr int", FALSE);
3417 register_icall (mono_helper_ldstr_mscorlib, "mono_helper_ldstr_mscorlib", "object int", FALSE);
3418 register_icall (mono_helper_newobj_mscorlib, "mono_helper_newobj_mscorlib", "object int", FALSE);
3419 register_icall (mono_value_copy, "mono_value_copy", "void ptr ptr ptr", FALSE);
3420 register_icall (mono_object_castclass_unbox, "mono_object_castclass_unbox", "object object ptr", FALSE);
3421 register_icall (mono_break, "mono_break", NULL, TRUE);
3422 register_icall (mono_create_corlib_exception_0, "mono_create_corlib_exception_0", "object int", TRUE);
3423 register_icall (mono_create_corlib_exception_1, "mono_create_corlib_exception_1", "object int object", TRUE);
3424 register_icall (mono_create_corlib_exception_2, "mono_create_corlib_exception_2", "object int object object", TRUE);
3425 register_icall (mono_array_new_1, "mono_array_new_1", "object ptr int", FALSE);
3426 register_icall (mono_array_new_2, "mono_array_new_2", "object ptr int int", FALSE);
3427 register_icall (mono_array_new_3, "mono_array_new_3", "object ptr int int int", FALSE);
3428 register_icall (mono_array_new_4, "mono_array_new_4", "object ptr int int int int", FALSE);
3429 register_icall (mono_get_native_calli_wrapper, "mono_get_native_calli_wrapper", "ptr ptr ptr ptr", FALSE);
3430 register_icall (mono_resume_unwind, "mono_resume_unwind", "void", TRUE);
3431 register_icall (mono_gsharedvt_constrained_call, "mono_gsharedvt_constrained_call", "object ptr ptr ptr ptr ptr", FALSE);
3432 register_icall (mono_gsharedvt_value_copy, "mono_gsharedvt_value_copy", "void ptr ptr ptr", TRUE);
3434 register_icall (mono_gc_wbarrier_value_copy_bitmap, "mono_gc_wbarrier_value_copy_bitmap", "void ptr ptr int int", FALSE);
3436 register_icall (mono_object_castclass_with_cache, "mono_object_castclass_with_cache", "object object ptr ptr", FALSE);
3437 register_icall (mono_object_isinst_with_cache, "mono_object_isinst_with_cache", "object object ptr ptr", FALSE);
3438 register_icall (mono_generic_class_init, "mono_generic_class_init", "void ptr", FALSE);
3439 register_icall (mono_fill_class_rgctx, "mono_class_fill_rgctx", "ptr ptr int", FALSE);
3440 register_icall (mono_fill_method_rgctx, "mono_method_fill_rgctx", "ptr ptr int", FALSE);
3442 register_icall (mono_debugger_agent_user_break, "mono_debugger_agent_user_break", "void", FALSE);
3444 register_icall (mono_aot_init_llvm_method, "mono_aot_init_llvm_method", "void ptr int", FALSE);
3445 register_icall (mono_aot_init_gshared_method_this, "mono_aot_init_gshared_method_this", "void ptr int object", FALSE);
3446 register_icall (mono_aot_init_gshared_method_rgctx, "mono_aot_init_gshared_method_rgctx", "void ptr int ptr", FALSE);
3448 register_icall_no_wrapper (mono_resolve_iface_call, "mono_resolve_iface_call", "ptr object int ptr ptr");
3449 register_icall_no_wrapper (mono_resolve_vcall, "mono_resolve_vcall", "ptr object int ptr");
3452 register_icall (pthread_getspecific, "pthread_getspecific", "ptr ptr", TRUE);
3456 MonoJitStats mono_jit_stats = {0};
3459 print_jit_stats (void)
3461 if (mono_jit_stats.enabled) {
3462 g_print ("Mono Jit statistics\n");
3463 g_print ("Max code size ratio: %.2f (%s)\n", mono_jit_stats.max_code_size_ratio/100.0,
3464 mono_jit_stats.max_ratio_method);
3465 g_print ("Biggest method: %ld (%s)\n", mono_jit_stats.biggest_method_size,
3466 mono_jit_stats.biggest_method);
3468 g_print ("Delegates created: %ld\n", mono_stats.delegate_creations);
3469 g_print ("Initialized classes: %ld\n", mono_stats.initialized_class_count);
3470 g_print ("Used classes: %ld\n", mono_stats.used_class_count);
3471 g_print ("Generic vtables: %ld\n", mono_stats.generic_vtable_count);
3472 g_print ("Methods: %ld\n", mono_stats.method_count);
3473 g_print ("Static data size: %ld\n", mono_stats.class_static_data_size);
3474 g_print ("VTable data size: %ld\n", mono_stats.class_vtable_size);
3475 g_print ("Mscorlib mempool size: %d\n", mono_mempool_get_allocated (mono_defaults.corlib->mempool));
3477 g_print ("\nInitialized classes: %ld\n", mono_stats.generic_class_count);
3478 g_print ("Inflated types: %ld\n", mono_stats.inflated_type_count);
3479 g_print ("Generics virtual invokes: %ld\n", mono_jit_stats.generic_virtual_invocations);
3481 g_print ("Sharable generic methods: %ld\n", mono_stats.generics_sharable_methods);
3482 g_print ("Unsharable generic methods: %ld\n", mono_stats.generics_unsharable_methods);
3483 g_print ("Shared generic methods: %ld\n", mono_stats.generics_shared_methods);
3484 g_print ("Shared vtype generic methods: %ld\n", mono_stats.gsharedvt_methods);
3486 g_print ("IMT tables size: %ld\n", mono_stats.imt_tables_size);
3487 g_print ("IMT number of tables: %ld\n", mono_stats.imt_number_of_tables);
3488 g_print ("IMT number of methods: %ld\n", mono_stats.imt_number_of_methods);
3489 g_print ("IMT used slots: %ld\n", mono_stats.imt_used_slots);
3490 g_print ("IMT colliding slots: %ld\n", mono_stats.imt_slots_with_collisions);
3491 g_print ("IMT max collisions: %ld\n", mono_stats.imt_max_collisions_in_slot);
3492 g_print ("IMT methods at max col: %ld\n", mono_stats.imt_method_count_when_max_collisions);
3493 g_print ("IMT thunks size: %ld\n", mono_stats.imt_thunks_size);
3495 g_print ("JIT info table inserts: %ld\n", mono_stats.jit_info_table_insert_count);
3496 g_print ("JIT info table removes: %ld\n", mono_stats.jit_info_table_remove_count);
3497 g_print ("JIT info table lookups: %ld\n", mono_stats.jit_info_table_lookup_count);
3499 g_free (mono_jit_stats.max_ratio_method);
3500 mono_jit_stats.max_ratio_method = NULL;
3501 g_free (mono_jit_stats.biggest_method);
3502 mono_jit_stats.biggest_method = NULL;
3507 mini_cleanup (MonoDomain *domain)
3509 mono_runtime_shutdown_stat_profiler ();
3512 cominterop_release_all_rcws ();
3515 #ifndef MONO_CROSS_COMPILE
3517 * mono_domain_finalize () needs to be called early since it needs the
3518 * execution engine still fully working (it may invoke managed finalizers).
3520 mono_domain_finalize (domain, 2000);
3523 /* This accesses metadata so needs to be called before runtime shutdown */
3526 mono_profiler_shutdown ();
3528 #ifndef MONO_CROSS_COMPILE
3529 mono_runtime_cleanup (domain);
3532 free_jit_tls_data (mono_native_tls_get_value (mono_jit_tls_id));
3534 mono_icall_cleanup ();
3536 mono_runtime_cleanup_handlers ();
3538 #ifndef MONO_CROSS_COMPILE
3539 mono_domain_free (domain, TRUE);
3544 mono_llvm_cleanup ();
3547 mono_aot_cleanup ();
3549 mono_trampolines_cleanup ();
3551 mono_unwind_cleanup ();
3553 mono_code_manager_destroy (global_codeman);
3554 g_free (vtable_trampolines);
3556 mini_jit_cleanup ();
3558 mono_tramp_info_cleanup ();
3560 mono_arch_cleanup ();
3562 mono_generic_sharing_cleanup ();
3566 mono_trace_cleanup ();
3568 mono_counters_dump (MONO_COUNTER_SECTION_MASK | MONO_COUNTER_MONOTONIC, stdout);
3570 if (mono_inject_async_exc_method)
3571 mono_method_desc_free (mono_inject_async_exc_method);
3573 mono_native_tls_free (mono_jit_tls_id);
3575 mono_mutex_destroy (&jit_mutex);
3577 mono_code_manager_cleanup ();
3579 #ifdef USE_JUMP_TABLES
3580 mono_jumptable_cleanup ();
3585 mono_set_defaults (int verbose_level, guint32 opts)
3587 mini_verbose = verbose_level;
3588 mono_set_optimizations (opts);
3592 mono_disable_optimizations (guint32 opts)
3594 default_opt &= ~opts;
3598 mono_set_optimizations (guint32 opts)
3601 default_opt_set = TRUE;
3602 #ifdef MONO_ARCH_GSHAREDVT_SUPPORTED
3603 mono_set_generic_sharing_vt_supported (mono_aot_only || ((default_opt & MONO_OPT_GSHAREDVT) != 0));
3608 mono_set_verbose_level (guint32 level)
3610 mini_verbose = level;
3614 * mono_get_runtime_build_info:
3616 * Return the runtime version + build date in string format.
3617 * The returned string is owned by the caller. The returned string
3618 * format is "VERSION (FULL_VERSION BUILD_DATE)" and build date is optional.
3621 mono_get_runtime_build_info (void)
3623 if (mono_build_date)
3624 return g_strdup_printf ("%s (%s %s)", VERSION, FULL_VERSION, mono_build_date);
3626 return g_strdup_printf ("%s (%s)", VERSION, FULL_VERSION);
3630 mono_precompile_assembly (MonoAssembly *ass, void *user_data)
3632 GHashTable *assemblies = (GHashTable*)user_data;
3633 MonoImage *image = mono_assembly_get_image (ass);
3634 MonoMethod *method, *invoke;
3637 if (g_hash_table_lookup (assemblies, ass))
3640 g_hash_table_insert (assemblies, ass, ass);
3642 if (mini_verbose > 0)
3643 printf ("PRECOMPILE: %s.\n", mono_image_get_filename (image));
3645 for (i = 0; i < mono_image_get_table_rows (image, MONO_TABLE_METHOD); ++i) {
3646 method = mono_get_method (image, MONO_TOKEN_METHOD_DEF | (i + 1), NULL);
3647 if (method->flags & METHOD_ATTRIBUTE_ABSTRACT)
3649 if (method->is_generic || method->klass->generic_container)
3653 if (mini_verbose > 1) {
3654 char * desc = mono_method_full_name (method, TRUE);
3655 g_print ("Compiling %d %s\n", count, desc);
3658 mono_compile_method (method);
3659 if (strcmp (method->name, "Finalize") == 0) {
3660 invoke = mono_marshal_get_runtime_invoke (method, FALSE, FALSE);
3661 mono_compile_method (invoke);
3663 #ifndef DISABLE_REMOTING
3664 if (mono_class_is_marshalbyref (method->klass) && mono_method_signature (method)->hasthis) {
3665 invoke = mono_marshal_get_remoting_invoke_with_check (method);
3666 mono_compile_method (invoke);
3671 /* Load and precompile referenced assemblies as well */
3672 for (i = 0; i < mono_image_get_table_rows (image, MONO_TABLE_ASSEMBLYREF); ++i) {
3673 mono_assembly_load_reference (image, i);
3674 if (image->references [i])
3675 mono_precompile_assembly (image->references [i], assemblies);
3679 void mono_precompile_assemblies ()
3681 GHashTable *assemblies = g_hash_table_new (NULL, NULL);
3683 mono_assembly_foreach ((GFunc)mono_precompile_assembly, assemblies);
3685 g_hash_table_destroy (assemblies);
3690 * Have to export this for AOT.
3693 mono_personality (void)
3696 g_assert_not_reached ();
3699 #ifdef USE_JUMP_TABLES
3700 #define DEFAULT_JUMPTABLE_CHUNK_ELEMENTS 128
3702 typedef struct MonoJumpTableChunk {
3705 struct MonoJumpTableChunk *previous;
3706 /* gpointer entries[total]; */
3707 } MonoJumpTableChunk;
3709 static MonoJumpTableChunk* g_jumptable;
3710 #define mono_jumptable_lock() mono_mutex_lock (&jumptable_mutex)
3711 #define mono_jumptable_unlock() mono_mutex_unlock (&jumptable_mutex)
3712 static mono_mutex_t jumptable_mutex;
3714 static MonoJumpTableChunk*
3715 mono_create_jumptable_chunk (guint32 max_entries)
3717 guint32 size = sizeof (MonoJumpTableChunk) + max_entries * sizeof(gpointer);
3718 MonoJumpTableChunk *chunk = (MonoJumpTableChunk*) g_new0 (guchar, size);
3719 chunk->total = max_entries;
3724 mono_jumptable_init (void)
3726 if (g_jumptable == NULL) {
3727 mono_mutex_init_recursive (&jumptable_mutex);
3728 g_jumptable = mono_create_jumptable_chunk (DEFAULT_JUMPTABLE_CHUNK_ELEMENTS);
3733 mono_jumptable_add_entry (void)
3735 return mono_jumptable_add_entries (1);
3739 mono_jumptable_add_entries (guint32 entries)
3744 mono_jumptable_init ();
3745 mono_jumptable_lock ();
3746 index = g_jumptable->active;
3747 if (index + entries >= g_jumptable->total) {
3749 * Grow jumptable, by adding one more chunk.
3750 * We cannot realloc jumptable, as there could be pointers
3751 * to existing jump table entries in the code, so instead
3752 * we just add one more chunk.
3754 guint32 max_entries = entries;
3755 MonoJumpTableChunk *new_chunk;
3757 if (max_entries < DEFAULT_JUMPTABLE_CHUNK_ELEMENTS)
3758 max_entries = DEFAULT_JUMPTABLE_CHUNK_ELEMENTS;
3759 new_chunk = mono_create_jumptable_chunk (max_entries);
3760 /* Link old jumptable, so that we could free it up later. */
3761 new_chunk->previous = g_jumptable;
3762 g_jumptable = new_chunk;
3765 g_jumptable->active = index + entries;
3766 result = (gpointer*)((guchar*)g_jumptable + sizeof(MonoJumpTableChunk)) + index;
3767 mono_jumptable_unlock();
3773 mono_jumptable_cleanup (void)
3776 MonoJumpTableChunk *current = g_jumptable, *prev;
3777 while (current != NULL) {
3778 prev = current->previous;
3783 mono_mutex_destroy (&jumptable_mutex);
3788 mono_jumptable_get_entry (guint8 *code_ptr)
3790 return mono_arch_jumptable_entry_from_code (code_ptr);