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-internals.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/metadata/reflection-internals.h>
51 #include <mono/metadata/monitor.h>
52 #include <mono/utils/mono-math.h>
53 #include <mono/utils/mono-compiler.h>
54 #include <mono/utils/mono-counters.h>
55 #include <mono/utils/mono-error-internals.h>
56 #include <mono/utils/mono-logger-internals.h>
57 #include <mono/utils/mono-mmap.h>
58 #include <mono/utils/mono-path.h>
59 #include <mono/utils/mono-tls.h>
60 #include <mono/utils/mono-hwcap.h>
61 #include <mono/utils/dtrace.h>
62 #include <mono/utils/mono-signal-handler.h>
63 #include <mono/utils/mono-threads.h>
64 #include <mono/utils/checked-build.h>
65 #include <mono/io-layer/io-layer.h>
68 #include "seq-points.h"
75 #include "jit-icalls.h"
78 #include "mini-llvm.h"
79 #include "debugger-agent.h"
81 #ifdef MONO_ARCH_LLVM_SUPPORTED
83 #include "mini-llvm-cpp.h"
87 static guint32 default_opt = 0;
88 static gboolean default_opt_set = FALSE;
90 MonoNativeTlsKey mono_jit_tls_id;
92 #ifdef MONO_HAVE_FAST_TLS
93 MONO_FAST_TLS_DECLARE(mono_jit_tls);
96 gboolean mono_compile_aot = FALSE;
97 /* If this is set, no code is generated dynamically, everything is taken from AOT files */
98 gboolean mono_aot_only = FALSE;
99 /* Same as mono_aot_only, but only LLVM compiled code is used, no trampolines */
100 gboolean mono_llvm_only = FALSE;
101 MonoAotMode mono_aot_mode = MONO_AOT_MODE_NONE;
103 const char *mono_build_date;
104 gboolean mono_do_signal_chaining;
105 gboolean mono_do_crash_chaining;
106 int mini_verbose = 0;
109 * This flag controls whenever the runtime uses LLVM for JIT compilation, and whenever
110 * it can load AOT code compiled by LLVM.
112 gboolean mono_use_llvm = FALSE;
114 #define mono_jit_lock() mono_os_mutex_lock (&jit_mutex)
115 #define mono_jit_unlock() mono_os_mutex_unlock (&jit_mutex)
116 static mono_mutex_t jit_mutex;
118 static MonoCodeManager *global_codeman;
120 MonoDebugOptions debug_options;
122 #ifdef VALGRIND_JIT_REGISTER_MAP
123 int valgrind_register;
126 static GSList *tramp_infos;
128 static void register_icalls (void);
131 mono_running_on_valgrind (void)
134 if (RUNNING_ON_VALGRIND){
135 #ifdef VALGRIND_JIT_REGISTER_MAP
136 valgrind_register = TRUE;
150 find_tramp (gpointer key, gpointer value, gpointer user_data)
152 FindTrampUserData *ud = (FindTrampUserData*)user_data;
155 ud->method = (MonoMethod*)key;
159 G_GNUC_UNUSED static char*
160 get_method_from_ip (void *ip)
165 MonoDomain *domain = mono_domain_get ();
166 MonoDebugSourceLocation *location;
167 FindTrampUserData user_data;
170 domain = mono_get_root_domain ();
172 ji = mono_jit_info_table_find_internal (domain, (char *)ip, TRUE, TRUE);
175 user_data.method = NULL;
176 mono_domain_lock (domain);
177 g_hash_table_foreach (domain_jit_info (domain)->jit_trampoline_hash, find_tramp, &user_data);
178 mono_domain_unlock (domain);
179 if (user_data.method) {
180 char *mname = mono_method_full_name (user_data.method, TRUE);
181 res = g_strdup_printf ("<%p - JIT trampoline for %s>", ip, mname);
187 } else if (ji->is_trampoline) {
188 res = g_strdup_printf ("<%p - %s trampoline>", ip, ((MonoTrampInfo*)ji->d.tramp_info)->name);
192 method = mono_method_full_name (jinfo_get_method (ji), TRUE);
193 /* FIXME: unused ? */
194 location = mono_debug_lookup_source_location (jinfo_get_method (ji), (guint32)((guint8*)ip - (guint8*)ji->code_start), domain);
196 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);
198 mono_debug_free_source_location (location);
206 * @ip: an instruction pointer address
208 * This method is used from a debugger to get the name of the
209 * method at address @ip. This routine is typically invoked from
210 * a debugger like this:
212 * (gdb) print mono_pmip ($pc)
214 * Returns: the name of the method at address @ip.
219 return get_method_from_ip (ip);
223 * mono_print_method_from_ip
224 * @ip: an instruction pointer address
226 * This method is used from a debugger to get the name of the
227 * method at address @ip.
229 * This prints the name of the method at address @ip in the standard
230 * output. Unlike mono_pmip which returns a string, this routine
231 * prints the value on the standard output.
234 /* Prevent the linker from optimizing this away in embedding setups to help debugging */
235 __attribute__((used))
238 mono_print_method_from_ip (void *ip)
242 MonoDebugSourceLocation *source;
243 MonoDomain *domain = mono_domain_get ();
244 MonoDomain *target_domain = mono_domain_get ();
245 FindTrampUserData user_data;
246 MonoGenericSharingContext*gsctx;
247 const char *shared_type;
249 ji = mini_jit_info_table_find_ext (domain, (char *)ip, TRUE, &target_domain);
250 if (ji && ji->is_trampoline) {
251 MonoTrampInfo *tinfo = (MonoTrampInfo *)ji->d.tramp_info;
253 printf ("IP %p is at offset 0x%x of trampoline '%s'.\n", ip, (int)((guint8*)ip - tinfo->code), tinfo->name);
259 user_data.method = NULL;
260 mono_domain_lock (domain);
261 g_hash_table_foreach (domain_jit_info (domain)->jit_trampoline_hash, find_tramp, &user_data);
262 mono_domain_unlock (domain);
264 if (user_data.method) {
265 char *mname = mono_method_full_name (user_data.method, TRUE);
266 printf ("IP %p is a JIT trampoline for %s\n", ip, mname);
271 g_print ("No method at %p\n", ip);
275 method = mono_method_full_name (jinfo_get_method (ji), TRUE);
276 source = mono_debug_lookup_source_location (jinfo_get_method (ji), (guint32)((guint8*)ip - (guint8*)ji->code_start), target_domain);
278 gsctx = mono_jit_info_get_generic_sharing_context (ji);
281 if (gsctx->is_gsharedvt)
282 shared_type = "gsharedvt ";
284 shared_type = "gshared ";
287 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);
290 g_print ("%s:%d\n", source->source_file, source->row);
293 mono_debug_free_source_location (source);
298 * mono_method_same_domain:
300 * Determine whenever two compiled methods are in the same domain, thus
301 * the address of the callee can be embedded in the caller.
303 gboolean mono_method_same_domain (MonoJitInfo *caller, MonoJitInfo *callee)
307 if (!caller || caller->is_trampoline || !callee || callee->is_trampoline)
311 * If the call was made from domain-neutral to domain-specific
312 * code, we can't patch the call site.
314 if (caller->domain_neutral && !callee->domain_neutral)
317 cmethod = jinfo_get_method (caller);
318 if ((cmethod->klass == mono_defaults.appdomain_class) &&
319 (strstr (cmethod->name, "InvokeInDomain"))) {
320 /* The InvokeInDomain methods change the current appdomain */
328 * mono_global_codeman_reserve:
330 * Allocate code memory from the global code manager.
332 void *mono_global_codeman_reserve (int size)
337 g_error ("Attempting to allocate from the global code manager while running with --aot-only.\n");
339 if (!global_codeman) {
340 /* This can happen during startup */
341 global_codeman = mono_code_manager_new ();
342 return mono_code_manager_reserve (global_codeman, size);
346 ptr = mono_code_manager_reserve (global_codeman, size);
352 #if defined(__native_client_codegen__) && defined(__native_client__)
356 #ifdef __native_client_gc__
357 __nacl_suspend_thread_if_needed();
361 /* Given the temporary buffer (allocated by mono_global_codeman_reserve) into
362 * which we are generating code, return a pointer to the destination in the
363 * dynamic code segment into which the code will be copied when
364 * mono_global_codeman_commit is called.
365 * LOCKING: Acquires the jit lock.
368 nacl_global_codeman_get_dest (void *data)
372 dest = nacl_code_manager_get_code_dest (global_codeman, data);
378 mono_global_codeman_commit (void *data, int size, int newsize)
381 mono_code_manager_commit (global_codeman, data, size, newsize);
386 * Convenience function which calls mono_global_codeman_commit to validate and
387 * copy the code. The caller sets *buf_base and *buf_size to the start and size
388 * of the buffer (allocated by mono_global_codeman_reserve), and *code_end to
389 * the byte after the last instruction byte. On return, *buf_base will point to
390 * the start of the copied in the code segment, and *code_end will point after
391 * the end of the copied code.
394 nacl_global_codeman_validate (guint8 **buf_base, int buf_size, guint8 **code_end)
396 guint8 *tmp = nacl_global_codeman_get_dest (*buf_base);
397 mono_global_codeman_commit (*buf_base, buf_size, *code_end - *buf_base);
398 *code_end = tmp + (*code_end - *buf_base);
402 /* no-op versions of Native Client functions */
404 nacl_global_codeman_get_dest (void *data)
410 mono_global_codeman_commit (void *data, int size, int newsize)
415 nacl_global_codeman_validate (guint8 **buf_base, int buf_size, guint8 **code_end)
419 #endif /* __native_client__ */
422 * mono_create_unwind_op:
424 * Create an unwind op with the given parameters.
427 mono_create_unwind_op (int when, int tag, int reg, int val)
429 MonoUnwindOp *op = g_new0 (MonoUnwindOp, 1);
440 mono_jump_info_token_new2 (MonoMemPool *mp, MonoImage *image, guint32 token, MonoGenericContext *context)
442 MonoJumpInfoToken *res = (MonoJumpInfoToken *)mono_mempool_alloc0 (mp, sizeof (MonoJumpInfoToken));
445 res->has_context = context != NULL;
447 memcpy (&res->context, context, sizeof (MonoGenericContext));
453 mono_jump_info_token_new (MonoMemPool *mp, MonoImage *image, guint32 token)
455 return mono_jump_info_token_new2 (mp, image, token, NULL);
459 * mono_tramp_info_create:
461 * Create a MonoTrampInfo structure from the arguments. This function assumes ownership
462 * of JI, and UNWIND_OPS.
465 mono_tramp_info_create (const char *name, guint8 *code, guint32 code_size, MonoJumpInfo *ji, GSList *unwind_ops)
467 MonoTrampInfo *info = g_new0 (MonoTrampInfo, 1);
469 info->name = g_strdup ((char*)name);
471 info->code_size = code_size;
473 info->unwind_ops = unwind_ops;
479 mono_tramp_info_free (MonoTrampInfo *info)
484 mono_free_unwind_info (info->unwind_ops);
489 register_trampoline_jit_info (MonoDomain *domain, MonoTrampInfo *info)
493 ji = (MonoJitInfo *)mono_domain_alloc0 (domain, mono_jit_info_size ((MonoJitInfoFlags)0, 0, 0));
494 mono_jit_info_init (ji, NULL, info->code, info->code_size, (MonoJitInfoFlags)0, 0, 0);
495 ji->d.tramp_info = info;
496 ji->is_trampoline = TRUE;
498 ji->unwind_info = mono_cache_unwind_info (info->uw_info, info->uw_info_len);
500 mono_jit_info_table_add (domain, ji);
504 * mono_tramp_info_register:
506 * Remember INFO for use by xdebug, mono_print_method_from_ip (), jit maps, etc.
511 mono_tramp_info_register (MonoTrampInfo *info, MonoDomain *domain)
519 domain = mono_get_root_domain ();
521 copy = g_new0 (MonoTrampInfo, 1);
522 copy->code = info->code;
523 copy->code_size = info->code_size;
524 copy->name = g_strdup (info->name);
526 if (info->unwind_ops) {
527 copy->uw_info = mono_unwind_ops_encode (info->unwind_ops, ©->uw_info_len);
529 /* Trampolines from aot have the unwind ops already encoded */
530 copy->uw_info = info->uw_info;
531 copy->uw_info_len = info->uw_info_len;
535 tramp_infos = g_slist_prepend (tramp_infos, copy);
538 mono_save_trampoline_xdebug_info (info);
540 /* Only register trampolines that have unwind infos */
541 if (mono_get_root_domain () && copy->uw_info)
542 register_trampoline_jit_info (domain, copy);
544 if (mono_jit_map_is_enabled ())
545 mono_emit_jit_tramp (info->code, info->code_size, info->name);
547 mono_tramp_info_free (info);
551 mono_tramp_info_cleanup (void)
555 for (l = tramp_infos; l; l = l->next) {
556 MonoTrampInfo *info = (MonoTrampInfo *)l->data;
558 mono_tramp_info_free (info);
560 g_slist_free (tramp_infos);
563 /* Register trampolines created before the root domain was created in the jit info tables */
565 register_trampolines (MonoDomain *domain)
569 for (l = tramp_infos; l; l = l->next) {
570 MonoTrampInfo *info = (MonoTrampInfo *)l->data;
572 register_trampoline_jit_info (domain, info);
576 G_GNUC_UNUSED static void
582 * Runtime debugging tool, use if (debug_count ()) <x> else <y> to do <x> the first COUNT times, then do <y> afterwards.
583 * Set a breakpoint in break_count () to break the last time <x> is done.
585 G_GNUC_UNUSED gboolean
586 mono_debug_count (void)
588 static int count = 0;
589 static gboolean inited;
590 static const char *value;
595 value = g_getenv ("COUNT");
602 if (count == atoi (value))
605 if (count > atoi (value))
612 mono_icall_get_wrapper_full (MonoJitICallInfo* callinfo, gboolean do_compile)
616 gconstpointer trampoline;
617 MonoDomain *domain = mono_get_root_domain ();
618 gboolean check_exc = TRUE;
620 if (callinfo->wrapper)
621 return callinfo->wrapper;
623 if (callinfo->trampoline)
624 return callinfo->trampoline;
626 if (!strcmp (callinfo->name, "mono_thread_interruption_checkpoint"))
627 /* This icall is used to check for exceptions, so don't check in the wrapper */
630 name = g_strdup_printf ("__icall_wrapper_%s", callinfo->name);
631 wrapper = mono_marshal_get_icall_wrapper (callinfo->sig, name, callinfo->func, check_exc);
635 trampoline = mono_compile_method (wrapper);
637 trampoline = mono_create_ftnptr (domain, mono_create_jit_trampoline_in_domain (domain, wrapper));
640 if (!callinfo->trampoline) {
641 mono_register_jit_icall_wrapper (callinfo, trampoline);
642 callinfo->trampoline = trampoline;
644 mono_loader_unlock ();
646 return callinfo->trampoline;
650 mono_icall_get_wrapper (MonoJitICallInfo* callinfo)
652 return mono_icall_get_wrapper_full (callinfo, FALSE);
655 static MonoJitDynamicMethodInfo*
656 mono_dynamic_code_hash_lookup (MonoDomain *domain, MonoMethod *method)
658 MonoJitDynamicMethodInfo *res;
660 if (domain_jit_info (domain)->dynamic_code_hash)
661 res = (MonoJitDynamicMethodInfo *)g_hash_table_lookup (domain_jit_info (domain)->dynamic_code_hash, method);
668 register_opcode_emulation (int opcode, const char *name, const char *sigstr, gpointer func, const char *symbol, gboolean no_throw)
671 mini_register_opcode_emulation (opcode, name, sigstr, func, symbol, no_throw);
673 MonoMethodSignature *sig = mono_create_icall_signature (sigstr);
675 g_assert (!sig->hasthis);
676 g_assert (sig->param_count < 3);
678 /* Opcode emulation functions are assumed to don't call mono_raise_exception () */
679 mono_register_jit_icall_full (func, name, sig, no_throw, TRUE, symbol);
684 * For JIT icalls implemented in C.
685 * NAME should be the same as the name of the C function whose address is FUNC.
686 * If @avoid_wrapper is TRUE, no wrapper is generated. This is for perf critical icalls which
687 * can't throw exceptions.
690 register_icall (gpointer func, const char *name, const char *sigstr, gboolean avoid_wrapper)
692 MonoMethodSignature *sig;
695 sig = mono_create_icall_signature (sigstr);
699 mono_register_jit_icall_full (func, name, sig, avoid_wrapper, FALSE, avoid_wrapper ? name : NULL);
703 register_icall_no_wrapper (gpointer func, const char *name, const char *sigstr)
705 MonoMethodSignature *sig;
708 sig = mono_create_icall_signature (sigstr);
712 mono_register_jit_icall_full (func, name, sig, TRUE, FALSE, name);
716 register_icall_with_wrapper (gpointer func, const char *name, const char *sigstr)
718 MonoMethodSignature *sig;
721 sig = mono_create_icall_signature (sigstr);
725 mono_register_jit_icall_full (func, name, sig, FALSE, FALSE, NULL);
729 register_dyn_icall (gpointer func, const char *name, const char *sigstr, gboolean save)
731 MonoMethodSignature *sig;
734 sig = mono_create_icall_signature (sigstr);
738 mono_register_jit_icall (func, name, sig, save);
741 #ifdef MONO_HAVE_FAST_TLS
742 MONO_FAST_TLS_DECLARE(mono_lmf_addr);
743 #ifdef MONO_ARCH_ENABLE_MONO_LMF_VAR
745 * When this is defined, the current lmf is stored in this tls variable instead of in
748 MONO_FAST_TLS_DECLARE(mono_lmf);
753 mono_get_jit_tls_offset (void)
759 offset = mono_jit_tls_id;
761 /* FIXME: Happens during startup */
764 MONO_THREAD_VAR_OFFSET (mono_jit_tls, offset);
770 mono_get_lmf_tls_offset (void)
772 #if defined(MONO_ARCH_ENABLE_MONO_LMF_VAR)
774 MONO_THREAD_VAR_OFFSET(mono_lmf,offset);
782 mono_get_lmf_addr_tls_offset (void)
785 MONO_THREAD_VAR_OFFSET(mono_lmf_addr,offset);
792 #if defined(MONO_HAVE_FAST_TLS) && defined(MONO_ARCH_ENABLE_MONO_LMF_VAR)
793 return (MonoLMF *)MONO_FAST_TLS_GET (mono_lmf);
795 MonoJitTlsData *jit_tls;
797 if ((jit_tls = mono_native_tls_get_value (mono_jit_tls_id)))
800 * We do not assert here because this function can be called from
801 * mini-gc.c on a thread that has not executed any managed code, yet
802 * (the thread object allocation can trigger a collection).
809 mono_get_lmf_addr (void)
811 #ifdef MONO_HAVE_FAST_TLS
812 return (MonoLMF **)MONO_FAST_TLS_GET (mono_lmf_addr);
814 MonoJitTlsData *jit_tls;
816 jit_tls = mono_native_tls_get_value (mono_jit_tls_id);
817 if (G_LIKELY (jit_tls))
818 return &jit_tls->lmf;
821 * When resolving the call to mono_jit_thread_attach full-aot will look
822 * in the plt, which causes a call into the generic trampoline, which in turn
823 * tries to resolve the lmf_addr creating a cyclic dependency. We cannot
824 * call mono_jit_thread_attach from the native-to-managed wrapper, without
825 * mono_get_lmf_addr, and mono_get_lmf_addr requires the thread to be attached.
828 mono_jit_thread_attach (NULL);
830 if ((jit_tls = mono_native_tls_get_value (mono_jit_tls_id)))
831 return &jit_tls->lmf;
833 g_assert_not_reached ();
839 mono_set_lmf (MonoLMF *lmf)
841 #if defined(MONO_HAVE_FAST_TLS) && defined(MONO_ARCH_ENABLE_MONO_LMF_VAR)
842 MONO_FAST_TLS_SET (mono_lmf, lmf);
845 (*mono_get_lmf_addr ()) = lmf;
849 mono_get_jit_tls (void)
851 return (MonoJitTlsData *)mono_native_tls_get_value (mono_jit_tls_id);
855 mono_set_jit_tls (MonoJitTlsData *jit_tls)
857 MonoThreadInfo *info;
859 mono_native_tls_set_value (mono_jit_tls_id, jit_tls);
861 #ifdef MONO_HAVE_FAST_TLS
862 MONO_FAST_TLS_SET (mono_jit_tls, jit_tls);
865 /* Save it into MonoThreadInfo so it can be accessed by mono_thread_state_init_from_handle () */
866 info = mono_thread_info_current ();
868 mono_thread_info_tls_set (info, TLS_KEY_JIT_TLS, jit_tls);
872 mono_set_lmf_addr (gpointer lmf_addr)
874 MonoThreadInfo *info;
876 #ifdef MONO_HAVE_FAST_TLS
877 MONO_FAST_TLS_SET (mono_lmf_addr, lmf_addr);
880 /* Save it into MonoThreadInfo so it can be accessed by mono_thread_state_init_from_handle () */
881 info = mono_thread_info_current ();
883 mono_thread_info_tls_set (info, TLS_KEY_LMF_ADDR, lmf_addr);
887 * mono_jit_thread_attach:
889 * Called by native->managed wrappers. Returns the original domain which needs to be
893 mono_jit_thread_attach (MonoDomain *domain)
899 * Happens when called from AOTed code which is only used in the root
902 domain = mono_get_root_domain ();
904 #ifdef MONO_HAVE_FAST_TLS
905 if (!MONO_FAST_TLS_GET (mono_lmf_addr)) {
906 mono_thread_attach (domain);
908 mono_thread_set_state (mono_thread_internal_current (), ThreadState_Background);
911 if (!mono_native_tls_get_value (mono_jit_tls_id)) {
912 mono_thread_attach (domain);
913 mono_thread_set_state (mono_thread_internal_current (), ThreadState_Background);
916 orig = mono_domain_get ();
918 mono_domain_set (domain, TRUE);
920 return orig != domain ? orig : NULL;
923 /* Called by native->managed wrappers */
925 mono_jit_set_domain (MonoDomain *domain)
928 mono_domain_set (domain, TRUE);
933 * @obj: exception object
935 * abort the thread, print exception information and stack trace
938 mono_thread_abort (MonoObject *obj)
940 /* MonoJitTlsData *jit_tls = mono_native_tls_get_value (mono_jit_tls_id); */
942 /* handle_remove should be eventually called for this thread, too
945 if ((mono_runtime_unhandled_exception_policy_get () == MONO_UNHANDLED_POLICY_LEGACY) ||
946 (obj->vtable->klass == mono_defaults.threadabortexception_class)) {
949 mono_invoke_unhandled_exception_hook (obj);
954 setup_jit_tls_data (gpointer stack_start, gpointer abort_func)
956 MonoJitTlsData *jit_tls;
959 jit_tls = (MonoJitTlsData *)mono_native_tls_get_value (mono_jit_tls_id);
963 jit_tls = g_new0 (MonoJitTlsData, 1);
965 jit_tls->abort_func = (void (*)(MonoObject *))abort_func;
966 jit_tls->end_of_stack = stack_start;
968 mono_set_jit_tls (jit_tls);
970 lmf = g_new0 (MonoLMF, 1);
971 MONO_ARCH_INIT_TOP_LMF_ENTRY (lmf);
973 jit_tls->first_lmf = lmf;
975 #if defined(MONO_HAVE_FAST_TLS) && defined(MONO_ARCH_ENABLE_MONO_LMF_VAR)
976 /* jit_tls->lmf is unused */
977 MONO_FAST_TLS_SET (mono_lmf, lmf);
978 mono_set_lmf_addr (MONO_FAST_TLS_ADDR (mono_lmf));
980 mono_set_lmf_addr (&jit_tls->lmf);
985 #ifdef MONO_ARCH_HAVE_TLS_INIT
986 mono_arch_tls_init ();
989 mono_setup_altstack (jit_tls);
995 free_jit_tls_data (MonoJitTlsData *jit_tls)
997 mono_arch_free_jit_tls_data (jit_tls);
998 mono_free_altstack (jit_tls);
1000 g_free (jit_tls->first_lmf);
1005 mono_thread_start_cb (intptr_t tid, gpointer stack_start, gpointer func)
1007 MonoThreadInfo *thread;
1008 void *jit_tls = setup_jit_tls_data (stack_start, mono_thread_abort);
1009 thread = mono_thread_info_current_unchecked ();
1011 thread->jit_data = jit_tls;
1013 mono_arch_cpu_init ();
1016 void (*mono_thread_attach_aborted_cb ) (MonoObject *obj) = NULL;
1019 mono_thread_abort_dummy (MonoObject *obj)
1021 if (mono_thread_attach_aborted_cb)
1022 mono_thread_attach_aborted_cb (obj);
1024 mono_thread_abort (obj);
1028 mono_thread_attach_cb (intptr_t tid, gpointer stack_start)
1030 MonoThreadInfo *thread;
1031 void *jit_tls = setup_jit_tls_data (stack_start, mono_thread_abort_dummy);
1032 thread = mono_thread_info_current_unchecked ();
1034 thread->jit_data = jit_tls;
1035 if (mono_profiler_get_events () & MONO_PROFILE_STATISTICAL)
1036 mono_runtime_setup_stat_profiler ();
1038 mono_arch_cpu_init ();
1042 mini_thread_cleanup (MonoNativeThreadId tid)
1044 MonoJitTlsData *jit_tls = NULL;
1045 MonoThreadInfo *info;
1047 info = mono_thread_info_current_unchecked ();
1049 /* We can't clean up tls information if we are on another thread, it will clean up the wrong stuff
1050 * It would be nice to issue a warning when this happens outside of the shutdown sequence. but it's
1051 * not a trivial thing.
1053 * The current offender is mono_thread_manage which cleanup threads from the outside.
1055 if (info && mono_thread_info_get_tid (info) == tid) {
1056 jit_tls = (MonoJitTlsData *)info->jit_data;
1057 info->jit_data = NULL;
1059 mono_set_jit_tls (NULL);
1061 /* If we attach a thread but never call into managed land, we might never get an lmf.*/
1062 if (mono_get_lmf ()) {
1063 mono_set_lmf (NULL);
1064 mono_set_lmf_addr (NULL);
1067 info = mono_thread_info_lookup (tid);
1069 jit_tls = (MonoJitTlsData *)info->jit_data;
1070 info->jit_data = NULL;
1072 mono_hazard_pointer_clear (mono_hazard_pointer_get (), 1);
1076 free_jit_tls_data (jit_tls);
1080 mini_get_tls_offset (MonoTlsKey key)
1083 g_assert (MONO_ARCH_HAVE_TLS_GET);
1086 case TLS_KEY_THREAD:
1087 offset = mono_thread_get_tls_offset ();
1089 case TLS_KEY_JIT_TLS:
1090 offset = mono_get_jit_tls_offset ();
1092 case TLS_KEY_DOMAIN:
1093 offset = mono_domain_get_tls_offset ();
1096 offset = mono_get_lmf_tls_offset ();
1098 case TLS_KEY_LMF_ADDR:
1099 offset = mono_get_lmf_addr_tls_offset ();
1102 offset = mono_tls_key_get_offset (key);
1103 g_assert (offset != -1);
1111 mini_tls_key_supported (MonoTlsKey key)
1113 if (!MONO_ARCH_HAVE_TLS_GET)
1116 return mini_get_tls_offset (key) != -1;
1120 mono_patch_info_list_prepend (MonoJumpInfo *list, int ip, MonoJumpInfoType type, gconstpointer target)
1122 MonoJumpInfo *ji = g_new0 (MonoJumpInfo, 1);
1126 ji->data.target = target;
1133 * mono_patch_info_dup_mp:
1135 * Make a copy of PATCH_INFO, allocating memory from the mempool MP.
1138 mono_patch_info_dup_mp (MonoMemPool *mp, MonoJumpInfo *patch_info)
1140 MonoJumpInfo *res = (MonoJumpInfo *)mono_mempool_alloc (mp, sizeof (MonoJumpInfo));
1141 memcpy (res, patch_info, sizeof (MonoJumpInfo));
1143 switch (patch_info->type) {
1144 case MONO_PATCH_INFO_RVA:
1145 case MONO_PATCH_INFO_LDSTR:
1146 case MONO_PATCH_INFO_TYPE_FROM_HANDLE:
1147 case MONO_PATCH_INFO_LDTOKEN:
1148 case MONO_PATCH_INFO_DECLSEC:
1149 res->data.token = (MonoJumpInfoToken *)mono_mempool_alloc (mp, sizeof (MonoJumpInfoToken));
1150 memcpy (res->data.token, patch_info->data.token, sizeof (MonoJumpInfoToken));
1152 case MONO_PATCH_INFO_SWITCH:
1153 res->data.table = (MonoJumpInfoBBTable *)mono_mempool_alloc (mp, sizeof (MonoJumpInfoBBTable));
1154 memcpy (res->data.table, patch_info->data.table, sizeof (MonoJumpInfoBBTable));
1155 res->data.table->table = (MonoBasicBlock **)mono_mempool_alloc (mp, sizeof (MonoBasicBlock*) * patch_info->data.table->table_size);
1156 memcpy (res->data.table->table, patch_info->data.table->table, sizeof (MonoBasicBlock*) * patch_info->data.table->table_size);
1158 case MONO_PATCH_INFO_RGCTX_FETCH:
1159 case MONO_PATCH_INFO_RGCTX_SLOT_INDEX:
1160 res->data.rgctx_entry = (MonoJumpInfoRgctxEntry *)mono_mempool_alloc (mp, sizeof (MonoJumpInfoRgctxEntry));
1161 memcpy (res->data.rgctx_entry, patch_info->data.rgctx_entry, sizeof (MonoJumpInfoRgctxEntry));
1162 res->data.rgctx_entry->data = mono_patch_info_dup_mp (mp, res->data.rgctx_entry->data);
1164 case MONO_PATCH_INFO_DELEGATE_TRAMPOLINE:
1165 res->data.del_tramp = (MonoDelegateClassMethodPair *)mono_mempool_alloc0 (mp, sizeof (MonoDelegateClassMethodPair));
1166 memcpy (res->data.del_tramp, patch_info->data.del_tramp, sizeof (MonoDelegateClassMethodPair));
1168 case MONO_PATCH_INFO_GSHAREDVT_CALL:
1169 res->data.gsharedvt = (MonoJumpInfoGSharedVtCall *)mono_mempool_alloc (mp, sizeof (MonoJumpInfoGSharedVtCall));
1170 memcpy (res->data.gsharedvt, patch_info->data.gsharedvt, sizeof (MonoJumpInfoGSharedVtCall));
1172 case MONO_PATCH_INFO_GSHAREDVT_METHOD: {
1173 MonoGSharedVtMethodInfo *info;
1174 MonoGSharedVtMethodInfo *oinfo;
1177 oinfo = patch_info->data.gsharedvt_method;
1178 info = (MonoGSharedVtMethodInfo *)mono_mempool_alloc (mp, sizeof (MonoGSharedVtMethodInfo));
1179 res->data.gsharedvt_method = info;
1180 memcpy (info, oinfo, sizeof (MonoGSharedVtMethodInfo));
1181 info->entries = (MonoRuntimeGenericContextInfoTemplate *)mono_mempool_alloc (mp, sizeof (MonoRuntimeGenericContextInfoTemplate) * info->count_entries);
1182 for (i = 0; i < oinfo->num_entries; ++i) {
1183 MonoRuntimeGenericContextInfoTemplate *otemplate = &oinfo->entries [i];
1184 MonoRuntimeGenericContextInfoTemplate *template_ = &info->entries [i];
1186 memcpy (template_, otemplate, sizeof (MonoRuntimeGenericContextInfoTemplate));
1188 //info->locals_types = mono_mempool_alloc0 (mp, info->nlocals * sizeof (MonoType*));
1189 //memcpy (info->locals_types, oinfo->locals_types, info->nlocals * sizeof (MonoType*));
1192 case MONO_PATCH_INFO_VIRT_METHOD: {
1193 MonoJumpInfoVirtMethod *info;
1194 MonoJumpInfoVirtMethod *oinfo;
1196 oinfo = patch_info->data.virt_method;
1197 info = (MonoJumpInfoVirtMethod *)mono_mempool_alloc0 (mp, sizeof (MonoJumpInfoVirtMethod));
1198 res->data.virt_method = info;
1199 memcpy (info, oinfo, sizeof (MonoJumpInfoVirtMethod));
1210 mono_patch_info_hash (gconstpointer data)
1212 const MonoJumpInfo *ji = (MonoJumpInfo*)data;
1215 case MONO_PATCH_INFO_RVA:
1216 case MONO_PATCH_INFO_LDSTR:
1217 case MONO_PATCH_INFO_LDTOKEN:
1218 case MONO_PATCH_INFO_DECLSEC:
1219 return (ji->type << 8) | ji->data.token->token;
1220 case MONO_PATCH_INFO_TYPE_FROM_HANDLE:
1221 return (ji->type << 8) | ji->data.token->token | (ji->data.token->has_context ? (gsize)ji->data.token->context.class_inst : 0);
1222 case MONO_PATCH_INFO_INTERNAL_METHOD:
1223 return (ji->type << 8) | g_str_hash (ji->data.name);
1224 case MONO_PATCH_INFO_VTABLE:
1225 case MONO_PATCH_INFO_CLASS:
1226 case MONO_PATCH_INFO_IID:
1227 case MONO_PATCH_INFO_ADJUSTED_IID:
1228 case MONO_PATCH_INFO_METHODCONST:
1229 case MONO_PATCH_INFO_METHOD:
1230 case MONO_PATCH_INFO_METHOD_JUMP:
1231 case MONO_PATCH_INFO_IMAGE:
1232 case MONO_PATCH_INFO_ICALL_ADDR:
1233 case MONO_PATCH_INFO_FIELD:
1234 case MONO_PATCH_INFO_SFLDA:
1235 case MONO_PATCH_INFO_SEQ_POINT_INFO:
1236 case MONO_PATCH_INFO_METHOD_RGCTX:
1237 case MONO_PATCH_INFO_SIGNATURE:
1238 case MONO_PATCH_INFO_TLS_OFFSET:
1239 case MONO_PATCH_INFO_METHOD_CODE_SLOT:
1240 case MONO_PATCH_INFO_AOT_JIT_INFO:
1241 return (ji->type << 8) | (gssize)ji->data.target;
1242 case MONO_PATCH_INFO_GSHAREDVT_CALL:
1243 return (ji->type << 8) | (gssize)ji->data.gsharedvt->method;
1244 case MONO_PATCH_INFO_RGCTX_FETCH:
1245 case MONO_PATCH_INFO_RGCTX_SLOT_INDEX: {
1246 MonoJumpInfoRgctxEntry *e = ji->data.rgctx_entry;
1248 return (ji->type << 8) | (gssize)e->method | (e->in_mrgctx) | e->info_type | mono_patch_info_hash (e->data);
1250 case MONO_PATCH_INFO_INTERRUPTION_REQUEST_FLAG:
1251 case MONO_PATCH_INFO_MSCORLIB_GOT_ADDR:
1252 case MONO_PATCH_INFO_GC_CARD_TABLE_ADDR:
1253 case MONO_PATCH_INFO_GC_NURSERY_START:
1254 case MONO_PATCH_INFO_GC_NURSERY_BITS:
1255 case MONO_PATCH_INFO_JIT_TLS_ID:
1256 case MONO_PATCH_INFO_GOT_OFFSET:
1257 case MONO_PATCH_INFO_GC_SAFE_POINT_FLAG:
1258 case MONO_PATCH_INFO_AOT_MODULE:
1259 return (ji->type << 8);
1260 case MONO_PATCH_INFO_CASTCLASS_CACHE:
1261 return (ji->type << 8) | (ji->data.index);
1262 case MONO_PATCH_INFO_SWITCH:
1263 return (ji->type << 8) | ji->data.table->table_size;
1264 case MONO_PATCH_INFO_GSHAREDVT_METHOD:
1265 return (ji->type << 8) | (gssize)ji->data.gsharedvt_method->method;
1266 case MONO_PATCH_INFO_OBJC_SELECTOR_REF:
1267 /* Hash on the selector name */
1268 return g_str_hash (ji->data.target);
1269 case MONO_PATCH_INFO_DELEGATE_TRAMPOLINE:
1270 return (ji->type << 8) | (gsize)ji->data.del_tramp->klass | (gsize)ji->data.del_tramp->method | (gsize)ji->data.del_tramp->is_virtual;
1271 case MONO_PATCH_INFO_LDSTR_LIT:
1272 return g_str_hash (ji->data.target);
1273 case MONO_PATCH_INFO_VIRT_METHOD: {
1274 MonoJumpInfoVirtMethod *info = ji->data.virt_method;
1276 return (ji->type << 8) | (gssize)info->klass | (gssize)info->method;
1278 case MONO_PATCH_INFO_JIT_ICALL_ADDR:
1279 return (ji->type << 8) | g_str_hash (ji->data.target);
1280 case MONO_PATCH_INFO_GSHAREDVT_IN_WRAPPER:
1281 return (ji->type << 8) | mono_signature_hash (ji->data.sig);
1283 printf ("info type: %d\n", ji->type);
1284 mono_print_ji (ji); printf ("\n");
1285 g_assert_not_reached ();
1291 * mono_patch_info_equal:
1293 * This might fail to recognize equivalent patches, i.e. floats, so its only
1294 * usable in those cases where this is not a problem, i.e. sharing GOT slots
1298 mono_patch_info_equal (gconstpointer ka, gconstpointer kb)
1300 const MonoJumpInfo *ji1 = (MonoJumpInfo*)ka;
1301 const MonoJumpInfo *ji2 = (MonoJumpInfo*)kb;
1303 if (ji1->type != ji2->type)
1306 switch (ji1->type) {
1307 case MONO_PATCH_INFO_RVA:
1308 case MONO_PATCH_INFO_LDSTR:
1309 case MONO_PATCH_INFO_TYPE_FROM_HANDLE:
1310 case MONO_PATCH_INFO_LDTOKEN:
1311 case MONO_PATCH_INFO_DECLSEC:
1312 if ((ji1->data.token->image != ji2->data.token->image) ||
1313 (ji1->data.token->token != ji2->data.token->token) ||
1314 (ji1->data.token->has_context != ji2->data.token->has_context) ||
1315 (ji1->data.token->context.class_inst != ji2->data.token->context.class_inst) ||
1316 (ji1->data.token->context.method_inst != ji2->data.token->context.method_inst))
1319 case MONO_PATCH_INFO_INTERNAL_METHOD:
1320 return g_str_equal (ji1->data.name, ji2->data.name);
1321 case MONO_PATCH_INFO_RGCTX_FETCH:
1322 case MONO_PATCH_INFO_RGCTX_SLOT_INDEX: {
1323 MonoJumpInfoRgctxEntry *e1 = ji1->data.rgctx_entry;
1324 MonoJumpInfoRgctxEntry *e2 = ji2->data.rgctx_entry;
1326 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);
1328 case MONO_PATCH_INFO_GSHAREDVT_CALL: {
1329 MonoJumpInfoGSharedVtCall *c1 = ji1->data.gsharedvt;
1330 MonoJumpInfoGSharedVtCall *c2 = ji2->data.gsharedvt;
1332 return c1->sig == c2->sig && c1->method == c2->method;
1334 case MONO_PATCH_INFO_GSHAREDVT_METHOD:
1335 return ji1->data.gsharedvt_method->method == ji2->data.gsharedvt_method->method;
1336 case MONO_PATCH_INFO_DELEGATE_TRAMPOLINE:
1337 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->is_virtual == ji2->data.del_tramp->is_virtual;
1338 case MONO_PATCH_INFO_CASTCLASS_CACHE:
1339 return ji1->data.index == ji2->data.index;
1340 case MONO_PATCH_INFO_VIRT_METHOD:
1341 return ji1->data.virt_method->klass == ji2->data.virt_method->klass && ji1->data.virt_method->method == ji2->data.virt_method->method;
1342 case MONO_PATCH_INFO_JIT_ICALL_ADDR:
1343 if (ji1->data.target == ji2->data.target)
1345 return strcmp (ji1->data.target, ji2->data.target) == 0 ? 1 : 0;
1346 case MONO_PATCH_INFO_GSHAREDVT_IN_WRAPPER:
1347 return mono_metadata_signature_equal (ji1->data.sig, ji2->data.sig) ? 1 : 0;
1349 if (ji1->data.target != ji2->data.target)
1358 mono_resolve_patch_target_checked (MonoMethod *method, MonoDomain *domain, guint8 *code, MonoJumpInfo *patch_info, gboolean run_cctors, MonoError *error)
1360 unsigned char *ip = patch_info->ip.i + code;
1361 gconstpointer target = NULL;
1363 mono_error_init (error);
1365 switch (patch_info->type) {
1366 case MONO_PATCH_INFO_BB:
1368 * FIXME: This could be hit for methods without a prolog. Should use -1
1369 * but too much code depends on a 0 initial value.
1371 //g_assert (patch_info->data.bb->native_offset);
1372 target = patch_info->data.bb->native_offset + code;
1374 case MONO_PATCH_INFO_ABS:
1375 target = patch_info->data.target;
1377 case MONO_PATCH_INFO_LABEL:
1378 target = patch_info->data.inst->inst_c0 + code;
1380 case MONO_PATCH_INFO_IP:
1381 #if defined(__native_client__) && defined(__native_client_codegen__)
1382 /* Need to transform to the destination address, it's */
1383 /* emitted as an immediate in the code. */
1384 target = nacl_inverse_modify_patch_target(ip);
1389 case MONO_PATCH_INFO_METHOD_REL:
1390 target = code + patch_info->data.offset;
1392 case MONO_PATCH_INFO_INTERNAL_METHOD: {
1393 MonoJitICallInfo *mi = mono_find_jit_icall_by_name (patch_info->data.name);
1395 g_warning ("unknown MONO_PATCH_INFO_INTERNAL_METHOD %s", patch_info->data.name);
1396 g_assert_not_reached ();
1398 target = mono_icall_get_wrapper (mi);
1401 case MONO_PATCH_INFO_JIT_ICALL_ADDR: {
1402 MonoJitICallInfo *mi = mono_find_jit_icall_by_name (patch_info->data.name);
1404 g_warning ("unknown MONO_PATCH_INFO_JIT_ICALL_ADDR %s", patch_info->data.name);
1405 g_assert_not_reached ();
1410 case MONO_PATCH_INFO_METHOD_JUMP:
1411 target = mono_create_jump_trampoline (domain, patch_info->data.method, FALSE);
1412 #if defined(__native_client__) && defined(__native_client_codegen__)
1413 # if defined(TARGET_AMD64)
1414 /* This target is an absolute address, not relative to the */
1415 /* current code being emitted on AMD64. */
1416 target = nacl_inverse_modify_patch_target(target);
1420 case MONO_PATCH_INFO_METHOD:
1421 #if defined(__native_client_codegen__) && defined(USE_JUMP_TABLES)
1423 * If we use jumptables, for recursive calls we cannot
1424 * avoid trampoline, as we not yet know where we will
1427 target = mono_create_jit_trampoline_in_domain (domain, patch_info->data.method);
1429 if (patch_info->data.method == method) {
1432 /* get the trampoline to the method from the domain */
1433 target = mono_create_jit_trampoline_in_domain (domain, patch_info->data.method);
1437 case MONO_PATCH_INFO_METHOD_CODE_SLOT: {
1440 mono_domain_lock (domain);
1441 if (!domain_jit_info (domain)->method_code_hash)
1442 domain_jit_info (domain)->method_code_hash = g_hash_table_new (NULL, NULL);
1443 code_slot = g_hash_table_lookup (domain_jit_info (domain)->method_code_hash, patch_info->data.method);
1445 code_slot = mono_domain_alloc0 (domain, sizeof (gpointer));
1446 g_hash_table_insert (domain_jit_info (domain)->method_code_hash, patch_info->data.method, code_slot);
1448 mono_domain_unlock (domain);
1452 case MONO_PATCH_INFO_GC_SAFE_POINT_FLAG:
1453 #if defined(__native_client_codegen__)
1454 target = (gpointer)&__nacl_thread_suspension_needed;
1456 g_assert (mono_threads_is_coop_enabled ());
1457 target = (gpointer)&mono_polling_required;
1460 case MONO_PATCH_INFO_SWITCH: {
1461 gpointer *jump_table;
1463 #if defined(__native_client__) && defined(__native_client_codegen__)
1464 /* This memory will leak, but we don't care if we're */
1465 /* not deleting JIT'd methods anyway */
1466 jump_table = g_malloc0 (sizeof(gpointer) * patch_info->data.table->table_size);
1468 if (method && method->dynamic) {
1469 jump_table = (void **)mono_code_manager_reserve (mono_dynamic_code_hash_lookup (domain, method)->code_mp, sizeof (gpointer) * patch_info->data.table->table_size);
1471 if (mono_aot_only) {
1472 jump_table = (void **)mono_domain_alloc (domain, sizeof (gpointer) * patch_info->data.table->table_size);
1474 jump_table = (void **)mono_domain_code_reserve (domain, sizeof (gpointer) * patch_info->data.table->table_size);
1479 for (i = 0; i < patch_info->data.table->table_size; i++) {
1480 #if defined(__native_client__) && defined(__native_client_codegen__)
1481 /* 'code' is relative to the current code blob, we */
1482 /* need to do this transform on it to make the */
1483 /* pointers in this table absolute */
1484 jump_table [i] = nacl_inverse_modify_patch_target (code) + GPOINTER_TO_INT (patch_info->data.table->table [i]);
1486 jump_table [i] = code + GPOINTER_TO_INT (patch_info->data.table->table [i]);
1490 #if defined(__native_client__) && defined(__native_client_codegen__)
1491 /* jump_table is in the data section, we need to transform */
1492 /* it here so when it gets modified in amd64_patch it will */
1493 /* then point back to the absolute data address */
1494 target = nacl_inverse_modify_patch_target (jump_table);
1496 target = jump_table;
1500 case MONO_PATCH_INFO_METHODCONST:
1501 case MONO_PATCH_INFO_CLASS:
1502 case MONO_PATCH_INFO_IMAGE:
1503 case MONO_PATCH_INFO_FIELD:
1504 case MONO_PATCH_INFO_SIGNATURE:
1505 case MONO_PATCH_INFO_AOT_MODULE:
1506 target = patch_info->data.target;
1508 case MONO_PATCH_INFO_IID:
1509 mono_class_init (patch_info->data.klass);
1510 target = GINT_TO_POINTER ((int)patch_info->data.klass->interface_id);
1512 case MONO_PATCH_INFO_ADJUSTED_IID:
1513 mono_class_init (patch_info->data.klass);
1514 target = GINT_TO_POINTER ((int)(-((patch_info->data.klass->interface_id + 1) * SIZEOF_VOID_P)));
1516 case MONO_PATCH_INFO_VTABLE:
1517 target = mono_class_vtable (domain, patch_info->data.klass);
1520 case MONO_PATCH_INFO_DELEGATE_TRAMPOLINE: {
1521 MonoDelegateClassMethodPair *del_tramp = patch_info->data.del_tramp;
1523 if (del_tramp->is_virtual)
1524 target = mono_create_delegate_virtual_trampoline (domain, del_tramp->klass, del_tramp->method);
1526 target = mono_create_delegate_trampoline_info (domain, del_tramp->klass, del_tramp->method);
1529 case MONO_PATCH_INFO_SFLDA: {
1530 MonoVTable *vtable = mono_class_vtable (domain, patch_info->data.field->parent);
1532 if (mono_class_field_is_special_static (patch_info->data.field)) {
1533 gpointer addr = NULL;
1535 mono_domain_lock (domain);
1536 if (domain->special_static_fields)
1537 addr = g_hash_table_lookup (domain->special_static_fields, patch_info->data.field);
1538 mono_domain_unlock (domain);
1544 if (!vtable->initialized && !(vtable->klass->flags & TYPE_ATTRIBUTE_BEFORE_FIELD_INIT) && (method && mono_class_needs_cctor_run (vtable->klass, method)))
1545 /* Done by the generated code */
1549 mono_runtime_class_init (vtable);
1551 target = (char*)mono_vtable_get_static_field_data (vtable) + patch_info->data.field->offset;
1554 case MONO_PATCH_INFO_RVA: {
1555 guint32 field_index = mono_metadata_token_index (patch_info->data.token->token);
1558 mono_metadata_field_info (patch_info->data.token->image, field_index - 1, NULL, &rva, NULL);
1559 target = mono_image_rva_map (patch_info->data.token->image, rva);
1562 case MONO_PATCH_INFO_R4:
1563 case MONO_PATCH_INFO_R8:
1564 target = patch_info->data.target;
1566 case MONO_PATCH_INFO_EXC_NAME:
1567 target = patch_info->data.name;
1569 case MONO_PATCH_INFO_LDSTR:
1571 mono_ldstr (domain, patch_info->data.token->image,
1572 mono_metadata_token_index (patch_info->data.token->token));
1574 case MONO_PATCH_INFO_TYPE_FROM_HANDLE: {
1576 MonoClass *handle_class;
1578 handle = mono_ldtoken_checked (patch_info->data.token->image,
1579 patch_info->data.token->token, &handle_class, patch_info->data.token->has_context ? &patch_info->data.token->context : NULL, error);
1580 if (!mono_error_ok (error))
1581 g_error ("Could not patch ldtoken due to %s", mono_error_get_message (error));
1582 mono_class_init (handle_class);
1583 mono_class_init (mono_class_from_mono_type ((MonoType *)handle));
1585 target = mono_type_get_object_checked (domain, (MonoType *)handle, error);
1586 if (!mono_error_ok (error))
1590 case MONO_PATCH_INFO_LDTOKEN: {
1592 MonoClass *handle_class;
1594 handle = mono_ldtoken_checked (patch_info->data.token->image,
1595 patch_info->data.token->token, &handle_class, patch_info->data.token->has_context ? &patch_info->data.token->context : NULL, error);
1596 if (!mono_error_ok (error))
1597 g_error ("Could not patch ldtoken due to %s", mono_error_get_message (error));
1598 mono_class_init (handle_class);
1603 case MONO_PATCH_INFO_DECLSEC:
1604 target = (mono_metadata_blob_heap (patch_info->data.token->image, patch_info->data.token->token) + 2);
1606 case MONO_PATCH_INFO_ICALL_ADDR:
1607 /* run_cctors == 0 -> AOT */
1608 if (patch_info->data.method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL) {
1609 const char *exc_class;
1610 const char *exc_arg;
1613 target = mono_lookup_pinvoke_call (patch_info->data.method, &exc_class, &exc_arg);
1615 if (mono_aot_only) {
1616 mono_error_set_exception_instance (error, mono_exception_from_name_msg (mono_defaults.corlib, "System", exc_class, exc_arg));
1619 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));
1625 target = mono_lookup_internal_call (patch_info->data.method);
1627 if (!target && run_cctors)
1628 g_error ("Unregistered icall '%s'\n", mono_method_full_name (patch_info->data.method, TRUE));
1631 case MONO_PATCH_INFO_INTERRUPTION_REQUEST_FLAG:
1632 target = mono_thread_interruption_request_flag ();
1634 case MONO_PATCH_INFO_METHOD_RGCTX: {
1635 MonoVTable *vtable = mono_class_vtable (domain, patch_info->data.method->klass);
1638 target = mono_method_lookup_rgctx (vtable, mini_method_get_context (patch_info->data.method)->method_inst);
1641 case MONO_PATCH_INFO_RGCTX_SLOT_INDEX: {
1642 int slot = mini_get_rgctx_entry_slot (patch_info->data.rgctx_entry);
1644 target = GINT_TO_POINTER (MONO_RGCTX_SLOT_INDEX (slot));
1647 case MONO_PATCH_INFO_BB_OVF:
1648 case MONO_PATCH_INFO_EXC_OVF:
1649 case MONO_PATCH_INFO_GOT_OFFSET:
1650 case MONO_PATCH_INFO_NONE:
1652 case MONO_PATCH_INFO_RGCTX_FETCH: {
1653 int slot = mini_get_rgctx_entry_slot (patch_info->data.rgctx_entry);
1655 target = mono_create_rgctx_lazy_fetch_trampoline (slot);
1658 #ifdef MONO_ARCH_SOFT_DEBUG_SUPPORTED
1659 case MONO_PATCH_INFO_SEQ_POINT_INFO:
1661 /* AOT, not needed */
1664 target = mono_arch_get_seq_point_info (domain, code);
1667 case MONO_PATCH_INFO_GC_CARD_TABLE_ADDR: {
1668 int card_table_shift_bits;
1669 gpointer card_table_mask;
1671 target = mono_gc_get_card_table (&card_table_shift_bits, &card_table_mask);
1674 case MONO_PATCH_INFO_GC_NURSERY_START: {
1678 target = mono_gc_get_nursery (&shift_bits, &size);
1681 case MONO_PATCH_INFO_GC_NURSERY_BITS: {
1685 mono_gc_get_nursery (&shift_bits, &size);
1687 target = (gpointer)(mgreg_t)shift_bits;
1690 case MONO_PATCH_INFO_CASTCLASS_CACHE: {
1691 target = mono_domain_alloc0 (domain, sizeof (gpointer));
1694 case MONO_PATCH_INFO_JIT_TLS_ID: {
1695 target = (gpointer) (size_t) mono_jit_tls_id;
1698 case MONO_PATCH_INFO_TLS_OFFSET: {
1701 offset = mini_get_tls_offset ((MonoTlsKey)GPOINTER_TO_INT (patch_info->data.target));
1702 #ifdef MONO_ARCH_HAVE_TRANSLATE_TLS_OFFSET
1703 offset = mono_arch_translate_tls_offset (offset);
1705 target = GINT_TO_POINTER (offset);
1708 case MONO_PATCH_INFO_OBJC_SELECTOR_REF: {
1712 case MONO_PATCH_INFO_LDSTR_LIT: {
1716 len = strlen ((const char *)patch_info->data.target);
1717 s = (char *)mono_domain_alloc0 (domain, len + 1);
1718 memcpy (s, patch_info->data.target, len);
1723 case MONO_PATCH_INFO_GSHAREDVT_IN_WRAPPER:
1724 target = mini_get_gsharedvt_wrapper (TRUE, NULL, patch_info->data.sig, NULL, -1, FALSE);
1727 g_assert_not_reached ();
1730 return (gpointer)target;
1734 mono_resolve_patch_target (MonoMethod *method, MonoDomain *domain, guint8 *code, MonoJumpInfo *patch_info, gboolean run_cctors)
1739 res = mono_resolve_patch_target_checked (method, domain, code, patch_info, run_cctors, &error);
1740 mono_error_raise_exception (&error); /* FIXME don't raise here */
1745 mini_init_gsctx (MonoDomain *domain, MonoMemPool *mp, MonoGenericContext *context, MonoGenericSharingContext *gsctx)
1747 MonoGenericInst *inst;
1750 memset (gsctx, 0, sizeof (MonoGenericSharingContext));
1752 if (context && context->class_inst) {
1753 inst = context->class_inst;
1754 for (i = 0; i < inst->type_argc; ++i) {
1755 MonoType *type = inst->type_argv [i];
1757 if (mini_is_gsharedvt_gparam (type))
1758 gsctx->is_gsharedvt = TRUE;
1761 if (context && context->method_inst) {
1762 inst = context->method_inst;
1764 for (i = 0; i < inst->type_argc; ++i) {
1765 MonoType *type = inst->type_argv [i];
1767 if (mini_is_gsharedvt_gparam (type))
1768 gsctx->is_gsharedvt = TRUE;
1774 * LOCKING: Acquires the jit code hash lock.
1777 mini_lookup_method (MonoDomain *domain, MonoMethod *method, MonoMethod *shared)
1780 static gboolean inited = FALSE;
1781 static int lookups = 0;
1782 static int failed_lookups = 0;
1784 mono_domain_jit_code_hash_lock (domain);
1785 ji = (MonoJitInfo *)mono_internal_hash_table_lookup (&domain->jit_code_hash, method);
1786 if (!ji && shared) {
1787 /* Try generic sharing */
1788 ji = (MonoJitInfo *)mono_internal_hash_table_lookup (&domain->jit_code_hash, shared);
1789 if (ji && !ji->has_generic_jit_info)
1792 mono_counters_register ("Shared generic lookups", MONO_COUNTER_INT|MONO_COUNTER_GENERICS, &lookups);
1793 mono_counters_register ("Failed shared generic lookups", MONO_COUNTER_INT|MONO_COUNTER_GENERICS, &failed_lookups);
1801 mono_domain_jit_code_hash_unlock (domain);
1807 lookup_method (MonoDomain *domain, MonoMethod *method)
1812 ji = mini_lookup_method (domain, method, NULL);
1815 if (!mono_method_is_generic_sharable (method, FALSE))
1817 shared = mini_get_shared_method (method);
1818 ji = mini_lookup_method (domain, method, shared);
1825 mono_get_jit_info_from_method (MonoDomain *domain, MonoMethod *method)
1827 return lookup_method (domain, method);
1831 static FILE* perf_map_file;
1834 mono_enable_jit_map (void)
1836 if (!perf_map_file) {
1838 g_snprintf (name, sizeof (name), "/tmp/perf-%d.map", getpid ());
1840 perf_map_file = fopen (name, "w");
1845 mono_emit_jit_tramp (void *start, int size, const char *desc)
1848 fprintf (perf_map_file, "%llx %x %s\n", (long long unsigned int)(gsize)start, size, desc);
1852 mono_emit_jit_map (MonoJitInfo *jinfo)
1854 if (perf_map_file) {
1855 char *name = mono_method_full_name (jinfo_get_method (jinfo), TRUE);
1856 mono_emit_jit_tramp (jinfo->code_start, jinfo->code_size, name);
1862 mono_jit_map_is_enabled (void)
1864 return perf_map_file != NULL;
1870 no_gsharedvt_in_wrapper (void)
1872 g_assert_not_reached ();
1876 mono_jit_compile_method_with_opt (MonoMethod *method, guint32 opt, MonoError *error)
1878 MonoDomain *target_domain, *domain = mono_domain_get ();
1880 gpointer code = NULL, p;
1882 MonoJitICallInfo *callinfo = NULL;
1883 WrapperInfo *winfo = NULL;
1885 mono_error_init (error);
1888 * ICALL wrappers are handled specially, since there is only one copy of them
1889 * shared by all appdomains.
1891 if (method->wrapper_type == MONO_WRAPPER_MANAGED_TO_NATIVE)
1892 winfo = mono_marshal_get_wrapper_info (method);
1893 if (winfo && winfo->subtype == WRAPPER_SUBTYPE_ICALL_WRAPPER) {
1894 callinfo = mono_find_jit_icall_by_addr (winfo->d.icall.func);
1895 g_assert (callinfo);
1897 /* Must be domain neutral since there is only one copy */
1898 opt |= MONO_OPT_SHARED;
1900 /* MONO_OPT_SHARED is no longer supported, we only use it for icall wrappers */
1901 opt &= ~MONO_OPT_SHARED;
1904 if (opt & MONO_OPT_SHARED)
1905 target_domain = mono_get_root_domain ();
1907 target_domain = domain;
1909 if (method->wrapper_type == MONO_WRAPPER_UNKNOWN) {
1910 WrapperInfo *info = mono_marshal_get_wrapper_info (method);
1913 if (info->subtype == WRAPPER_SUBTYPE_SYNCHRONIZED_INNER) {
1914 MonoGenericContext *ctx = NULL;
1915 if (method->is_inflated)
1916 ctx = mono_method_get_context (method);
1917 method = info->d.synchronized_inner.method;
1919 method = mono_class_inflate_generic_method_checked (method, ctx, error);
1920 g_assert (mono_error_ok (error)); /* FIXME don't swallow the error */
1925 info = lookup_method (target_domain, method);
1927 /* We can't use a domain specific method in another domain */
1928 if (! ((domain != target_domain) && !info->domain_neutral)) {
1930 MonoException *tmpEx;
1932 mono_jit_stats.methods_lookups++;
1933 vtable = mono_class_vtable (domain, method->klass);
1935 tmpEx = mono_runtime_class_init_full (vtable, FALSE);
1937 mono_error_set_exception_instance (error, tmpEx);
1940 return mono_create_ftnptr (target_domain, info->code_start);
1944 #ifdef MONO_USE_AOT_COMPILER
1945 if (opt & MONO_OPT_AOT) {
1946 MonoDomain *domain = mono_domain_get ();
1948 mono_class_init (method->klass);
1950 if ((code = mono_aot_get_method (domain, method))) {
1954 * In llvm-only mode, method might be a shared method, so we can't initialize its class.
1955 * This is not a problem, since it will be initialized when the method is first
1956 * called by init_method ().
1958 if (!mono_llvm_only) {
1959 vtable = mono_class_vtable (domain, method->klass);
1961 mono_runtime_class_init (vtable);
1967 if (!code && mono_llvm_only) {
1968 if (method->wrapper_type == MONO_WRAPPER_UNKNOWN) {
1969 WrapperInfo *info = mono_marshal_get_wrapper_info (method);
1971 if (info->subtype == WRAPPER_SUBTYPE_GSHAREDVT_IN_SIG) {
1973 * These wrappers are only created for signatures which are in the program, but
1974 * sometimes we load methods too eagerly and have to create them even if they
1975 * will never be called.
1977 return no_gsharedvt_in_wrapper;
1983 code = mono_jit_compile_method_inner (method, target_domain, opt, error);
1984 if (!mono_error_ok (error))
1987 if (!code && mono_llvm_only) {
1988 printf ("AOT method not found in llvmonly mode: %s\n", mono_method_full_name (method, 1));
1989 g_assert_not_reached ();
1995 if (method->wrapper_type == MONO_WRAPPER_WRITE_BARRIER || method->wrapper_type == MONO_WRAPPER_ALLOC) {
1999 * SGEN requires the JIT info for these methods to be registered, see is_ip_in_managed_allocator ().
2001 ji = mini_jit_info_table_find (mono_domain_get (), (char *)code, &d);
2005 p = mono_create_ftnptr (target_domain, code);
2008 /*mono_register_jit_icall_wrapper takes the loader lock, so we take it on the outside. */
2009 mono_loader_lock ();
2011 if (!callinfo->wrapper) {
2012 callinfo->wrapper = p;
2013 mono_register_jit_icall_wrapper (callinfo, p);
2016 mono_loader_unlock ();
2023 mono_jit_compile_method (MonoMethod *method, MonoError *error)
2027 code = mono_jit_compile_method_with_opt (method, mono_get_optimizations_for_method (method, default_opt), error);
2031 #ifdef MONO_ARCH_HAVE_INVALIDATE_METHOD
2033 invalidated_delegate_trampoline (char *desc)
2035 g_error ("Unmanaged code called delegate of type %s which was already garbage collected.\n"
2036 "See http://www.mono-project.com/Diagnostic:Delegate for an explanation and ways to fix this.",
2042 * mono_jit_free_method:
2044 * Free all memory allocated by the JIT for METHOD.
2047 mono_jit_free_method (MonoDomain *domain, MonoMethod *method)
2049 MonoJitDynamicMethodInfo *ji;
2050 gboolean destroy = TRUE;
2051 GHashTableIter iter;
2052 MonoJumpList *jlist;
2054 g_assert (method->dynamic);
2056 mono_domain_lock (domain);
2057 ji = mono_dynamic_code_hash_lookup (domain, method);
2058 mono_domain_unlock (domain);
2063 mono_debug_remove_method (method, domain);
2065 mono_domain_lock (domain);
2066 g_hash_table_remove (domain_jit_info (domain)->dynamic_code_hash, method);
2067 mono_domain_jit_code_hash_lock (domain);
2068 mono_internal_hash_table_remove (&domain->jit_code_hash, method);
2069 mono_domain_jit_code_hash_unlock (domain);
2070 g_hash_table_remove (domain_jit_info (domain)->jump_trampoline_hash, method);
2072 /* requires the domain lock - took above */
2073 mono_conc_hashtable_remove (domain_jit_info (domain)->runtime_invoke_hash, method);
2075 /* Remove jump targets in this method */
2076 g_hash_table_iter_init (&iter, domain_jit_info (domain)->jump_target_hash);
2077 while (g_hash_table_iter_next (&iter, NULL, (void**)&jlist)) {
2078 GSList *tmp, *remove;
2081 for (tmp = jlist->list; tmp; tmp = tmp->next) {
2082 guint8 *ip = (guint8 *)tmp->data;
2084 if (ip >= (guint8*)ji->ji->code_start && ip < (guint8*)ji->ji->code_start + ji->ji->code_size)
2085 remove = g_slist_prepend (remove, tmp);
2087 for (tmp = remove; tmp; tmp = tmp->next) {
2088 jlist->list = g_slist_delete_link ((GSList *)jlist->list, (GSList *)tmp->data);
2090 g_slist_free (remove);
2093 mono_domain_unlock (domain);
2095 #ifdef MONO_ARCH_HAVE_INVALIDATE_METHOD
2096 if (debug_options.keep_delegates && method->wrapper_type == MONO_WRAPPER_NATIVE_TO_MANAGED) {
2098 * Instead of freeing the code, change it to call an error routine
2099 * so people can fix their code.
2101 char *type = mono_type_full_name (&method->klass->byval_arg);
2102 char *type_and_method = g_strdup_printf ("%s.%s", type, method->name);
2105 mono_arch_invalidate_method (ji->ji, invalidated_delegate_trampoline, type_and_method);
2111 * This needs to be done before freeing code_mp, since the code address is the
2112 * key in the table, so if we free the code_mp first, another thread can grab the
2113 * same code address and replace our entry in the table.
2115 mono_jit_info_table_remove (domain, ji->ji);
2118 mono_code_manager_destroy (ji->code_mp);
2123 mono_jit_find_compiled_method_with_jit_info (MonoDomain *domain, MonoMethod *method, MonoJitInfo **ji)
2125 MonoDomain *target_domain;
2128 if (default_opt & MONO_OPT_SHARED)
2129 target_domain = mono_get_root_domain ();
2131 target_domain = domain;
2133 info = lookup_method (target_domain, method);
2135 /* We can't use a domain specific method in another domain */
2136 if (! ((domain != target_domain) && !info->domain_neutral)) {
2137 mono_jit_stats.methods_lookups++;
2140 return info->code_start;
2149 static guint32 bisect_opt = 0;
2150 static GHashTable *bisect_methods_hash = NULL;
2153 mono_set_bisect_methods (guint32 opt, const char *method_list_filename)
2156 char method_name [2048];
2159 bisect_methods_hash = g_hash_table_new (g_str_hash, g_str_equal);
2160 g_assert (bisect_methods_hash);
2162 file = fopen (method_list_filename, "r");
2165 while (fgets (method_name, sizeof (method_name), file)) {
2166 size_t len = strlen (method_name);
2168 g_assert (method_name [len - 1] == '\n');
2169 method_name [len - 1] = 0;
2170 g_hash_table_insert (bisect_methods_hash, g_strdup (method_name), GINT_TO_POINTER (1));
2172 g_assert (feof (file));
2175 gboolean mono_do_single_method_regression = FALSE;
2176 guint32 mono_single_method_regression_opt = 0;
2177 MonoMethod *mono_current_single_method;
2178 GSList *mono_single_method_list;
2179 GHashTable *mono_single_method_hash;
2182 mono_get_optimizations_for_method (MonoMethod *method, guint32 default_opt)
2186 if (bisect_methods_hash) {
2187 char *name = mono_method_full_name (method, TRUE);
2188 void *res = g_hash_table_lookup (bisect_methods_hash, name);
2191 return default_opt | bisect_opt;
2193 if (!mono_do_single_method_regression)
2195 if (!mono_current_single_method) {
2196 if (!mono_single_method_hash)
2197 mono_single_method_hash = g_hash_table_new (g_direct_hash, g_direct_equal);
2198 if (!g_hash_table_lookup (mono_single_method_hash, method)) {
2199 g_hash_table_insert (mono_single_method_hash, method, method);
2200 mono_single_method_list = g_slist_prepend (mono_single_method_list, method);
2204 if (method == mono_current_single_method)
2205 return mono_single_method_regression_opt;
2210 mono_jit_find_compiled_method (MonoDomain *domain, MonoMethod *method)
2212 return mono_jit_find_compiled_method_with_jit_info (domain, method, NULL);
2217 gpointer compiled_method;
2218 gpointer runtime_invoke;
2220 MonoDynCallInfo *dyn_call_info;
2221 MonoClass *ret_box_class;
2222 MonoMethodSignature *sig;
2223 gboolean gsharedvt_invoke;
2224 gpointer *wrapper_arg;
2225 } RuntimeInvokeInfo;
2227 static RuntimeInvokeInfo*
2228 create_runtime_invoke_info (MonoDomain *domain, MonoMethod *method, gpointer compiled_method, gboolean callee_gsharedvt, MonoError *error)
2231 RuntimeInvokeInfo *info;
2233 info = g_new0 (RuntimeInvokeInfo, 1);
2234 info->compiled_method = compiled_method;
2235 info->sig = mono_method_signature (method);
2237 invoke = mono_marshal_get_runtime_invoke (method, FALSE);
2238 info->vtable = mono_class_vtable_full (domain, method->klass, TRUE);
2239 g_assert (info->vtable);
2241 MonoMethodSignature *sig = mono_method_signature (method);
2245 * We want to avoid AOTing 1000s of runtime-invoke wrappers when running
2246 * in full-aot mode, so we use a slower, but more generic wrapper if
2247 * possible, built on top of the OP_DYN_CALL opcode provided by the JIT.
2249 #ifdef MONO_ARCH_DYN_CALL_SUPPORTED
2250 if (!mono_llvm_only && (mono_aot_only || debug_options.dyn_runtime_invoke)) {
2251 gboolean supported = TRUE;
2254 if (method->string_ctor)
2255 sig = mono_marshal_get_string_ctor_signature (method);
2257 for (i = 0; i < sig->param_count; ++i) {
2258 MonoType *t = sig->params [i];
2260 if (t->byref && t->type == MONO_TYPE_GENERICINST && mono_class_is_nullable (mono_class_from_mono_type (t)))
2264 if (mono_class_is_contextbound (method->klass) || !info->compiled_method)
2268 info->dyn_call_info = mono_arch_dyn_call_prepare (sig);
2272 ret_type = sig->ret;
2273 switch (ret_type->type) {
2274 case MONO_TYPE_VOID:
2286 case MONO_TYPE_BOOLEAN:
2287 case MONO_TYPE_CHAR:
2290 info->ret_box_class = mono_class_from_mono_type (ret_type);
2293 info->ret_box_class = mono_defaults.int_class;
2295 case MONO_TYPE_STRING:
2296 case MONO_TYPE_CLASS:
2297 case MONO_TYPE_ARRAY:
2298 case MONO_TYPE_SZARRAY:
2299 case MONO_TYPE_OBJECT:
2301 case MONO_TYPE_GENERICINST:
2302 if (!MONO_TYPE_IS_REFERENCE (ret_type))
2303 info->ret_box_class = mono_class_from_mono_type (ret_type);
2305 case MONO_TYPE_VALUETYPE:
2306 info->ret_box_class = mono_class_from_mono_type (ret_type);
2309 g_assert_not_reached ();
2313 if (!info->dyn_call_info) {
2314 if (mono_llvm_only) {
2315 #ifndef ENABLE_GSHAREDVT
2316 g_assert_not_reached ();
2318 info->gsharedvt_invoke = TRUE;
2319 if (!callee_gsharedvt) {
2320 /* Invoke a gsharedvt out wrapper instead */
2321 MonoMethod *wrapper = mini_get_gsharedvt_out_sig_wrapper (sig);
2322 MonoMethodSignature *wrapper_sig = mini_get_gsharedvt_out_sig_wrapper_signature (sig->hasthis, sig->ret->type != MONO_TYPE_VOID, sig->param_count);
2324 info->wrapper_arg = g_malloc0 (2 * sizeof (gpointer));
2325 info->wrapper_arg [0] = mini_add_method_wrappers_llvmonly (method, info->compiled_method, FALSE, FALSE, &(info->wrapper_arg [1]));
2327 /* Pass has_rgctx == TRUE since the wrapper has an extra arg */
2328 invoke = mono_marshal_get_runtime_invoke_for_sig (wrapper_sig);
2329 g_free (wrapper_sig);
2331 info->compiled_method = mono_jit_compile_method (wrapper, error);
2332 if (!mono_error_ok (error)) {
2337 /* Gsharedvt methods can be invoked the same way */
2338 /* The out wrapper has the same signature as the compiled gsharedvt method */
2339 MonoMethodSignature *wrapper_sig = mini_get_gsharedvt_out_sig_wrapper_signature (sig->hasthis, sig->ret->type != MONO_TYPE_VOID, sig->param_count);
2341 info->wrapper_arg = mono_method_needs_static_rgctx_invoke (method, TRUE) ? mini_method_get_rgctx (method) : NULL;
2343 invoke = mono_marshal_get_runtime_invoke_for_sig (wrapper_sig);
2344 g_free (wrapper_sig);
2347 info->runtime_invoke = mono_jit_compile_method (invoke, error);
2348 if (!mono_error_ok (error)) {
2358 mono_llvmonly_runtime_invoke (MonoMethod *method, RuntimeInvokeInfo *info, void *obj, void **params, MonoObject **exc, MonoError *error)
2360 MonoMethodSignature *sig = info->sig;
2361 MonoDomain *domain = mono_domain_get ();
2362 MonoObject *(*runtime_invoke) (MonoObject *this_obj, void **params, MonoObject **exc, void* compiled_method);
2364 gpointer retval_ptr;
2365 guint8 retval [256];
2366 gpointer *param_refs;
2369 mono_error_init (error);
2371 g_assert (info->gsharedvt_invoke);
2374 * Instead of invoking the method directly, we invoke a gsharedvt out wrapper.
2375 * The advantage of this is the gsharedvt out wrappers have a reduced set of
2376 * signatures, so we only have to generate runtime invoke wrappers for these
2378 * This code also handles invocation of gsharedvt methods directly, no
2379 * out wrappers are used in that case.
2381 args = (void **)g_alloca ((sig->param_count + sig->hasthis + 2) * sizeof (gpointer));
2382 param_refs = (gpointer*)g_alloca ((sig->param_count + sig->hasthis + 2) * sizeof (gpointer));
2385 * The runtime invoke wrappers expects pointers to primitive types, so have to
2389 args [pindex ++] = &obj;
2390 if (sig->ret->type != MONO_TYPE_VOID) {
2391 retval_ptr = (gpointer)&retval;
2392 args [pindex ++] = &retval_ptr;
2394 for (i = 0; i < sig->param_count; ++i) {
2395 MonoType *t = sig->params [i];
2397 if (t->type == MONO_TYPE_GENERICINST && mono_class_is_nullable (mono_class_from_mono_type (t))) {
2398 MonoClass *klass = mono_class_from_mono_type (t);
2399 guint8 *nullable_buf;
2402 size = mono_class_value_size (klass, NULL);
2403 nullable_buf = g_alloca (size);
2404 g_assert (nullable_buf);
2406 /* The argument pointed to by params [i] is either a boxed vtype or null */
2407 mono_nullable_init (nullable_buf, (MonoObject*)params [i], klass);
2408 params [i] = nullable_buf;
2411 if (!t->byref && (MONO_TYPE_IS_REFERENCE (t) || t->type == MONO_TYPE_PTR)) {
2412 param_refs [i] = params [i];
2413 params [i] = &(param_refs [i]);
2415 args [pindex ++] = ¶ms [i];
2417 /* The gsharedvt out wrapper has an extra argument which contains the method to call */
2418 args [pindex ++] = &info->wrapper_arg;
2420 runtime_invoke = (MonoObject *(*)(MonoObject *, void **, MonoObject **, void *))info->runtime_invoke;
2422 runtime_invoke (NULL, args, exc, info->compiled_method);
2424 mono_error_set_exception_instance (error, (MonoException*) *exc);
2426 if (sig->ret->type != MONO_TYPE_VOID && info->ret_box_class)
2427 return mono_value_box (domain, info->ret_box_class, retval);
2429 return *(MonoObject**)retval;
2433 * mono_jit_runtime_invoke:
2434 * @method: the method to invoke
2435 * @obj: this pointer
2436 * @params: array of parameter values.
2437 * @exc: Set to the exception raised in the managed method. If NULL, error is thrown instead.
2438 * If coop is enabled, this argument is ignored - all exceptoins are caught and propagated
2440 * @error: error or caught exception object
2443 mono_jit_runtime_invoke (MonoMethod *method, void *obj, void **params, MonoObject **exc, MonoError *error)
2445 MonoMethod *invoke, *callee;
2446 MonoObject *(*runtime_invoke) (MonoObject *this_obj, void **params, MonoObject **exc, void* compiled_method);
2447 MonoDomain *domain = mono_domain_get ();
2448 MonoJitDomainInfo *domain_info;
2449 RuntimeInvokeInfo *info, *info2;
2450 MonoJitInfo *ji = NULL;
2451 gboolean callee_gsharedvt = FALSE;
2453 mono_error_init (error);
2455 if (obj == NULL && !(method->flags & METHOD_ATTRIBUTE_STATIC) && !method->string_ctor && (method->wrapper_type == 0)) {
2456 g_warning ("Ignoring invocation of an instance method on a NULL instance.\n");
2460 domain_info = domain_jit_info (domain);
2462 info = (RuntimeInvokeInfo *)mono_conc_hashtable_lookup (domain_info->runtime_invoke_hash, method);
2465 if (mono_security_core_clr_enabled ()) {
2467 * This might be redundant since mono_class_vtable () already does this,
2468 * but keep it just in case for moonlight.
2470 mono_class_setup_vtable (method->klass);
2471 if (method->klass->exception_type != MONO_EXCEPTION_NONE) {
2472 MonoException *fail_exc = mono_class_get_exception_for_failure (method->klass);
2474 *exc = (MonoObject*)fail_exc;
2475 mono_error_set_exception_instance (error, fail_exc);
2480 gpointer compiled_method;
2483 if (method->klass->rank && (method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) &&
2484 (method->iflags & METHOD_IMPL_ATTRIBUTE_NATIVE)) {
2486 * Array Get/Set/Address methods. The JIT implements them using inline code
2487 * inside the runtime invoke wrappers, so no need to compile them.
2489 if (mono_aot_only) {
2491 * Call a wrapper, since the runtime invoke wrapper was not generated.
2493 MonoMethod *wrapper;
2495 wrapper = mono_marshal_get_array_accessor_wrapper (method);
2496 invoke = mono_marshal_get_runtime_invoke (wrapper, FALSE);
2504 compiled_method = mono_jit_compile_method_with_opt (callee, mono_get_optimizations_for_method (callee, default_opt), error);
2505 if (!compiled_method) {
2506 g_assert (!mono_error_ok (error));
2510 if (mono_llvm_only) {
2511 ji = mini_jit_info_table_find (mono_domain_get (), (char *)mono_get_addr_from_ftnptr (compiled_method), NULL);
2512 callee_gsharedvt = mini_jit_info_is_gsharedvt (ji);
2513 if (callee_gsharedvt)
2514 callee_gsharedvt = mini_is_gsharedvt_variable_signature (mono_method_signature (jinfo_get_method (ji)));
2517 if (!callee_gsharedvt)
2518 compiled_method = mini_add_method_trampoline (callee, compiled_method, mono_method_needs_static_rgctx_invoke (callee, TRUE), FALSE);
2520 compiled_method = NULL;
2523 info = create_runtime_invoke_info (domain, method, compiled_method, callee_gsharedvt, error);
2524 if (!mono_error_ok (error))
2527 mono_domain_lock (domain);
2528 info2 = (RuntimeInvokeInfo *)mono_conc_hashtable_insert (domain_info->runtime_invoke_hash, method, info);
2529 mono_domain_unlock (domain);
2537 * We need this here because mono_marshal_get_runtime_invoke can place
2538 * the helper method in System.Object and not the target class.
2542 *exc = (MonoObject*)mono_runtime_class_init_full (info->vtable, FALSE);
2544 mono_error_set_exception_instance (error, (MonoException*) *exc);
2548 mono_runtime_class_init (info->vtable);
2551 /* If coop is enabled, and the caller didn't ask for the exception to be caught separately,
2552 we always catch the exception and propagate it through the MonoError */
2553 gboolean catchExcInMonoError =
2554 (exc == NULL) && mono_threads_is_coop_enabled ();
2555 MonoObject *invoke_exc = NULL;
2556 if (catchExcInMonoError)
2559 /* The wrappers expect this to be initialized to NULL */
2563 #ifdef MONO_ARCH_DYN_CALL_SUPPORTED
2564 if (info->dyn_call_info) {
2565 MonoMethodSignature *sig = mono_method_signature (method);
2567 static RuntimeInvokeDynamicFunction dyn_runtime_invoke;
2570 guint8 retval [256];
2572 if (!dyn_runtime_invoke) {
2573 invoke = mono_marshal_get_runtime_invoke_dynamic ();
2574 dyn_runtime_invoke = (RuntimeInvokeDynamicFunction)mono_jit_compile_method (invoke, error);
2575 if (!mono_error_ok (error))
2579 /* Convert the arguments to the format expected by start_dyn_call () */
2580 args = (void **)g_alloca ((sig->param_count + sig->hasthis) * sizeof (gpointer));
2583 args [pindex ++] = &obj;
2584 for (i = 0; i < sig->param_count; ++i) {
2585 MonoType *t = sig->params [i];
2588 args [pindex ++] = ¶ms [i];
2589 } else if (MONO_TYPE_IS_REFERENCE (t) || t->type == MONO_TYPE_PTR) {
2590 args [pindex ++] = ¶ms [i];
2592 args [pindex ++] = params [i];
2596 //printf ("M: %s\n", mono_method_full_name (method, TRUE));
2598 mono_arch_start_dyn_call (info->dyn_call_info, (gpointer**)args, retval, buf, sizeof (buf));
2600 dyn_runtime_invoke (buf, exc, info->compiled_method);
2601 if (catchExcInMonoError && *exc != NULL)
2602 mono_error_set_exception_instance (error, (MonoException*) *exc);
2604 mono_arch_finish_dyn_call (info->dyn_call_info, buf);
2606 if (info->ret_box_class)
2607 return mono_value_box (domain, info->ret_box_class, retval);
2609 return *(MonoObject**)retval;
2614 return mono_llvmonly_runtime_invoke (method, info, obj, params, exc, error);
2616 runtime_invoke = (MonoObject *(*)(MonoObject *, void **, MonoObject **, void *))info->runtime_invoke;
2618 MonoObject *result = runtime_invoke ((MonoObject *)obj, params, exc, info->compiled_method);
2619 if (catchExcInMonoError && *exc != NULL)
2620 mono_error_set_exception_instance (error, (MonoException*) *exc);
2629 typedef gpointer (*IMTThunkFunc) (gpointer *arg, MonoMethod *imt_method);
2632 * mini_llvmonly_initial_imt_thunk:
2634 * This function is called the first time a call is made through an IMT thunk.
2635 * It should have the same signature as the mono_llvmonly_imt_thunk_... functions.
2638 mini_llvmonly_initial_imt_thunk (gpointer *arg, MonoMethod *imt_method)
2640 IMTThunkInfo *info = (IMTThunkInfo*)arg;
2645 mono_vtable_build_imt_slot (info->vtable, info->slot);
2647 imt = (gpointer*)info->vtable;
2648 imt -= MONO_IMT_SIZE;
2650 /* Return what the real IMT thunk returns */
2651 ftndesc = imt [info->slot];
2654 if (func == (IMTThunkFunc)mini_llvmonly_initial_imt_thunk)
2655 /* Happens when the imt slot contains only a generic virtual method */
2657 return func ((gpointer *)ftndesc [1], imt_method);
2660 /* This is called indirectly through an imt slot. */
2662 mono_llvmonly_imt_thunk (gpointer *arg, MonoMethod *imt_method)
2666 /* arg points to an array created in mono_llvmonly_get_imt_thunk () */
2667 while (arg [i] && arg [i] != imt_method)
2674 /* Optimized versions of mono_llvmonly_imt_thunk () for different table sizes */
2676 mono_llvmonly_imt_thunk_1 (gpointer *arg, MonoMethod *imt_method)
2678 //g_assert (arg [0] == imt_method);
2683 mono_llvmonly_imt_thunk_2 (gpointer *arg, MonoMethod *imt_method)
2685 //g_assert (arg [0] == imt_method || arg [2] == imt_method);
2686 if (arg [0] == imt_method)
2693 mono_llvmonly_imt_thunk_3 (gpointer *arg, MonoMethod *imt_method)
2695 //g_assert (arg [0] == imt_method || arg [2] == imt_method || arg [4] == imt_method);
2696 if (arg [0] == imt_method)
2698 else if (arg [2] == imt_method)
2705 * A version of the imt thunk used for generic virtual/variant iface methods.
2706 * Unlikely a normal imt thunk, its possible that IMT_METHOD is not found
2707 * in the search table. The original JIT code had a 'fallback' trampoline it could
2708 * call, but we can't do that, so we just return NULL, and the compiled code
2712 mono_llvmonly_fallback_imt_thunk (gpointer *arg, MonoMethod *imt_method)
2716 while (arg [i] && arg [i] != imt_method)
2725 mono_llvmonly_get_imt_thunk (MonoVTable *vtable, MonoDomain *domain, MonoIMTCheckItem **imt_entries, int count, gpointer fail_tramp)
2729 int i, index, real_count;
2730 gboolean virtual_generic = FALSE;
2733 * Create an array which is passed to the imt thunk functions.
2734 * The array contains MonoMethod-function descriptor pairs, terminated by a NULL entry.
2738 for (i = 0; i < count; ++i) {
2739 MonoIMTCheckItem *item = imt_entries [i];
2741 if (item->is_equals)
2743 if (item->has_target_code)
2744 virtual_generic = TRUE;
2748 * Initialize all vtable entries reachable from this imt slot, so the compiled
2749 * code doesn't have to check it.
2751 for (i = 0; i < count; ++i) {
2752 MonoIMTCheckItem *item = imt_entries [i];
2755 if (!item->is_equals || item->has_target_code)
2757 vt_slot = item->value.vtable_slot;
2758 mono_init_vtable_slot (vtable, vt_slot);
2761 /* Save the entries into an array */
2762 buf = (void **)mono_domain_alloc (domain, (real_count + 1) * 2 * sizeof (gpointer));
2764 for (i = 0; i < count; ++i) {
2765 MonoIMTCheckItem *item = imt_entries [i];
2767 if (!item->is_equals)
2770 g_assert (item->key);
2771 buf [(index * 2)] = item->key;
2772 if (item->has_target_code)
2773 buf [(index * 2) + 1] = item->value.target_code;
2775 buf [(index * 2) + 1] = vtable->vtable [item->value.vtable_slot];
2778 buf [(index * 2)] = NULL;
2779 buf [(index * 2) + 1] = fail_tramp;
2782 * Return a function descriptor for a C function with 'buf' as its argument.
2783 * It will by called by JITted code.
2785 res = (void **)mono_domain_alloc (domain, 2 * sizeof (gpointer));
2786 switch (real_count) {
2788 res [0] = mono_llvmonly_imt_thunk_1;
2791 res [0] = mono_llvmonly_imt_thunk_2;
2794 res [0] = mono_llvmonly_imt_thunk_3;
2797 res [0] = mono_llvmonly_imt_thunk;
2800 if (virtual_generic || fail_tramp)
2801 res [0] = mono_llvmonly_fallback_imt_thunk;
2807 MONO_SIG_HANDLER_FUNC (, mono_sigfpe_signal_handler)
2809 MonoException *exc = NULL;
2811 MONO_SIG_HANDLER_INFO_TYPE *info = MONO_SIG_HANDLER_GET_INFO ();
2812 MONO_SIG_HANDLER_GET_CONTEXT;
2814 ji = mono_jit_info_table_find_internal (mono_domain_get (), (char *)mono_arch_ip_from_context (ctx), TRUE, TRUE);
2816 #if defined(MONO_ARCH_HAVE_IS_INT_OVERFLOW)
2817 if (mono_arch_is_int_overflow (ctx, info))
2819 * The spec says this throws ArithmeticException, but MS throws the derived
2820 * OverflowException.
2822 exc = mono_get_exception_overflow ();
2824 exc = mono_get_exception_divide_by_zero ();
2826 exc = mono_get_exception_divide_by_zero ();
2830 if (!mono_do_crash_chaining && mono_chain_signal (MONO_SIG_HANDLER_PARAMS))
2833 mono_handle_native_sigsegv (SIGSEGV, ctx, info);
2834 if (mono_do_crash_chaining) {
2835 mono_chain_signal (MONO_SIG_HANDLER_PARAMS);
2840 mono_arch_handle_exception (ctx, exc);
2843 MONO_SIG_HANDLER_FUNC (, mono_sigill_signal_handler)
2846 MONO_SIG_HANDLER_GET_CONTEXT;
2848 exc = mono_get_exception_execution_engine ("SIGILL");
2850 mono_arch_handle_exception (ctx, exc);
2853 #if defined(MONO_ARCH_USE_SIGACTION) || defined(HOST_WIN32)
2854 #define HAVE_SIG_INFO
2857 MONO_SIG_HANDLER_FUNC (, mono_sigsegv_signal_handler)
2860 MonoJitTlsData *jit_tls = (MonoJitTlsData *)mono_native_tls_get_value (mono_jit_tls_id);
2861 gpointer fault_addr = NULL;
2862 #ifdef HAVE_SIG_INFO
2863 MONO_SIG_HANDLER_INFO_TYPE *info = MONO_SIG_HANDLER_GET_INFO ();
2867 MONO_SIG_HANDLER_GET_CONTEXT;
2869 #if defined(MONO_ARCH_SOFT_DEBUG_SUPPORTED) && defined(HAVE_SIG_INFO)
2870 if (mono_arch_is_single_step_event (info, ctx)) {
2871 mono_debugger_agent_single_step_event (ctx);
2873 } else if (mono_arch_is_breakpoint_event (info, ctx)) {
2874 mono_debugger_agent_breakpoint_hit (ctx);
2879 #if defined(HAVE_SIG_INFO)
2880 #if !defined(HOST_WIN32)
2881 fault_addr = info->si_addr;
2882 if (mono_aot_is_pagefault (info->si_addr)) {
2883 mono_aot_handle_pagefault (info->si_addr);
2888 /* The thread might no be registered with the runtime */
2889 if (!mono_domain_get () || !jit_tls) {
2890 if (!mono_do_crash_chaining && mono_chain_signal (MONO_SIG_HANDLER_PARAMS))
2892 mono_handle_native_sigsegv (SIGSEGV, ctx, info);
2893 if (mono_do_crash_chaining) {
2894 mono_chain_signal (MONO_SIG_HANDLER_PARAMS);
2900 ji = mono_jit_info_table_find_internal (mono_domain_get (), (char *)mono_arch_ip_from_context (ctx), TRUE, TRUE);
2902 #ifdef MONO_ARCH_SIGSEGV_ON_ALTSTACK
2903 if (mono_handle_soft_stack_ovf (jit_tls, ji, ctx, info, (guint8*)info->si_addr))
2906 #ifdef MONO_ARCH_HAVE_SIGCTX_TO_MONOCTX
2907 /* info->si_addr seems to be NULL on some kernels when handling stack overflows */
2908 fault_addr = info->si_addr;
2909 if (fault_addr == NULL) {
2912 mono_sigctx_to_monoctx (ctx, &mctx);
2914 fault_addr = MONO_CONTEXT_GET_SP (&mctx);
2918 if (jit_tls->stack_size &&
2919 ABS ((guint8*)fault_addr - ((guint8*)jit_tls->end_of_stack - jit_tls->stack_size)) < 8192 * sizeof (gpointer)) {
2921 * The hard-guard page has been hit: there is not much we can do anymore
2922 * Print a hopefully clear message and abort.
2924 mono_handle_hard_stack_ovf (jit_tls, ji, ctx, (guint8*)info->si_addr);
2925 g_assert_not_reached ();
2927 /* The original handler might not like that it is executed on an altstack... */
2928 if (!ji && mono_chain_signal (MONO_SIG_HANDLER_PARAMS))
2931 mono_arch_handle_altstack_exception (ctx, info, info->si_addr, FALSE);
2936 if (!mono_do_crash_chaining && mono_chain_signal (MONO_SIG_HANDLER_PARAMS))
2939 mono_handle_native_sigsegv (SIGSEGV, ctx, info);
2941 if (mono_do_crash_chaining) {
2942 mono_chain_signal (MONO_SIG_HANDLER_PARAMS);
2947 mono_arch_handle_exception (ctx, NULL);
2951 MONO_SIG_HANDLER_FUNC (, mono_sigint_signal_handler)
2954 MONO_SIG_HANDLER_GET_CONTEXT;
2956 exc = mono_get_exception_execution_engine ("Interrupted (SIGINT).");
2958 mono_arch_handle_exception (ctx, exc);
2961 #ifndef DISABLE_REMOTING
2962 /* mono_jit_create_remoting_trampoline:
2963 * @method: pointer to the method info
2965 * Creates a trampoline which calls the remoting functions. This
2966 * is used in the vtable of transparent proxies.
2968 * Returns: a pointer to the newly created code
2971 mono_jit_create_remoting_trampoline (MonoDomain *domain, MonoMethod *method, MonoRemotingTarget target)
2974 guint8 *addr = NULL;
2976 if ((method->flags & METHOD_ATTRIBUTE_VIRTUAL) && mono_method_signature (method)->generic_param_count) {
2977 return mono_create_specific_trampoline (method, MONO_TRAMPOLINE_GENERIC_VIRTUAL_REMOTING,
2981 if ((method->flags & METHOD_ATTRIBUTE_ABSTRACT) ||
2982 (mono_method_signature (method)->hasthis && (mono_class_is_marshalbyref (method->klass) || method->klass == mono_defaults.object_class))) {
2983 nm = mono_marshal_get_remoting_invoke_for_target (method, target);
2984 addr = (guint8 *)mono_compile_method (nm);
2987 addr = (guint8 *)mono_compile_method (method);
2989 return mono_get_addr_from_ftnptr (addr);
2994 no_imt_trampoline (void)
2996 g_assert_not_reached ();
3000 no_vcall_trampoline (void)
3002 g_assert_not_reached ();
3005 static gpointer *vtable_trampolines;
3006 static int vtable_trampolines_size;
3009 mini_get_vtable_trampoline (MonoVTable *vt, int slot_index)
3011 int index = slot_index + MONO_IMT_SIZE;
3013 if (mono_llvm_only) {
3014 if (slot_index < 0) {
3015 /* Initialize the IMT thunks to a 'trampoline' so the generated code doesn't have to initialize it */
3016 // FIXME: Memory management
3017 gpointer *ftndesc = g_malloc (2 * sizeof (gpointer));
3018 IMTThunkInfo *info = g_new0 (IMTThunkInfo, 1);
3021 ftndesc [0] = mini_llvmonly_initial_imt_thunk;
3023 mono_memory_barrier ();
3030 g_assert (slot_index >= - MONO_IMT_SIZE);
3031 if (!vtable_trampolines || slot_index + MONO_IMT_SIZE >= vtable_trampolines_size) {
3033 if (!vtable_trampolines || index >= vtable_trampolines_size) {
3037 new_size = vtable_trampolines_size ? vtable_trampolines_size * 2 : 128;
3038 while (new_size <= index)
3040 new_table = g_new0 (gpointer, new_size);
3042 if (vtable_trampolines)
3043 memcpy (new_table, vtable_trampolines, vtable_trampolines_size * sizeof (gpointer));
3044 g_free (vtable_trampolines);
3045 mono_memory_barrier ();
3046 vtable_trampolines = (void **)new_table;
3047 vtable_trampolines_size = new_size;
3052 if (!vtable_trampolines [index])
3053 vtable_trampolines [index] = mono_create_specific_trampoline (GUINT_TO_POINTER (slot_index), MONO_TRAMPOLINE_VCALL, mono_get_root_domain (), NULL);
3054 return vtable_trampolines [index];
3058 mini_get_imt_trampoline (MonoVTable *vt, int slot_index)
3060 return mini_get_vtable_trampoline (vt, slot_index - MONO_IMT_SIZE);
3064 mini_imt_entry_inited (MonoVTable *vt, int imt_slot_index)
3069 gpointer *imt = (gpointer*)vt;
3070 imt -= MONO_IMT_SIZE;
3072 return (imt [imt_slot_index] != mini_get_imt_trampoline (vt, imt_slot_index));
3076 is_callee_gsharedvt_variable (gpointer addr)
3079 gboolean callee_gsharedvt;
3081 ji = mini_jit_info_table_find (mono_domain_get (), (char *)mono_get_addr_from_ftnptr (addr), NULL);
3083 callee_gsharedvt = mini_jit_info_is_gsharedvt (ji);
3084 if (callee_gsharedvt)
3085 callee_gsharedvt = mini_is_gsharedvt_variable_signature (mono_method_signature (jinfo_get_method (ji)));
3086 return callee_gsharedvt;
3090 mini_get_delegate_arg (MonoMethod *method, gpointer method_ptr)
3092 gpointer arg = NULL;
3094 if (mono_method_needs_static_rgctx_invoke (method, FALSE))
3095 arg = mini_method_get_rgctx (method);
3098 * Avoid adding gsharedvt in wrappers since they might not exist if
3099 * this delegate is called through a gsharedvt delegate invoke wrapper.
3100 * Instead, encode that the method is gsharedvt in del->extra_arg,
3101 * the CEE_MONO_CALLI_EXTRA_ARG implementation in the JIT depends on this.
3103 if (method->is_inflated && is_callee_gsharedvt_variable (method_ptr)) {
3104 g_assert ((((mgreg_t)arg) & 1) == 0);
3105 arg = (gpointer)(((mgreg_t)arg) | 1);
3111 mini_init_delegate (MonoDelegate *del)
3114 del->extra_arg = mini_get_delegate_arg (del->method, del->method_ptr);
3118 mono_get_delegate_virtual_invoke_impl (MonoMethodSignature *sig, MonoMethod *method)
3120 gboolean is_virtual_generic, is_interface, load_imt_reg;
3123 static guint8 **cache = NULL;
3124 static int cache_size = 0;
3129 if (MONO_TYPE_ISSTRUCT (sig->ret))
3132 is_virtual_generic = method->is_inflated && mono_method_get_declaring_generic_method (method)->is_generic;
3133 is_interface = method->klass->flags & TYPE_ATTRIBUTE_INTERFACE ? TRUE : FALSE;
3134 load_imt_reg = is_virtual_generic || is_interface;
3137 offset = ((gint32)mono_method_get_imt_slot (method) - MONO_IMT_SIZE) * SIZEOF_VOID_P;
3139 offset = G_STRUCT_OFFSET (MonoVTable, vtable) + ((mono_method_get_vtable_index (method)) * (SIZEOF_VOID_P));
3141 idx = (offset / SIZEOF_VOID_P + MONO_IMT_SIZE) * 2 + (load_imt_reg ? 1 : 0);
3142 g_assert (idx >= 0);
3144 /* Resize the cache to idx + 1 */
3145 if (cache_size < idx + 1) {
3147 if (cache_size < idx + 1) {
3149 int new_cache_size = idx + 1;
3151 new_cache = g_new0 (guint8*, new_cache_size);
3153 memcpy (new_cache, cache, cache_size * sizeof (guint8*));
3156 mono_memory_barrier ();
3158 cache_size = new_cache_size;
3166 /* FIXME Support more cases */
3167 if (mono_aot_only) {
3168 char tramp_name [256];
3169 const char *imt = load_imt_reg ? "_imt" : "";
3170 int ind = (load_imt_reg ? (-offset) : offset) / SIZEOF_VOID_P;
3172 sprintf (tramp_name, "delegate_virtual_invoke%s_%d", imt, ind);
3173 cache [idx] = (guint8 *)mono_aot_get_trampoline (tramp_name);
3174 g_assert (cache [idx]);
3176 cache [idx] = (guint8 *)mono_arch_get_delegate_virtual_invoke_impl (sig, method, offset, load_imt_reg);
3182 * mini_parse_debug_option:
3183 * @option: The option to parse.
3185 * Parses debug options for the mono runtime. The options are the same as for
3186 * the MONO_DEBUG environment variable.
3190 mini_parse_debug_option (const char *option)
3192 if (!strcmp (option, "handle-sigint"))
3193 debug_options.handle_sigint = TRUE;
3194 else if (!strcmp (option, "keep-delegates"))
3195 debug_options.keep_delegates = TRUE;
3196 else if (!strcmp (option, "reverse-pinvoke-exceptions"))
3197 debug_options.reverse_pinvoke_exceptions = TRUE;
3198 else if (!strcmp (option, "collect-pagefault-stats"))
3199 debug_options.collect_pagefault_stats = TRUE;
3200 else if (!strcmp (option, "break-on-unverified"))
3201 debug_options.break_on_unverified = TRUE;
3202 else if (!strcmp (option, "no-gdb-backtrace"))
3203 debug_options.no_gdb_backtrace = TRUE;
3204 else if (!strcmp (option, "suspend-on-sigsegv"))
3205 debug_options.suspend_on_sigsegv = TRUE;
3206 else if (!strcmp (option, "suspend-on-exception"))
3207 debug_options.suspend_on_exception = TRUE;
3208 else if (!strcmp (option, "suspend-on-unhandled"))
3209 debug_options.suspend_on_unhandled = TRUE;
3210 else if (!strcmp (option, "dont-free-domains"))
3211 mono_dont_free_domains = TRUE;
3212 else if (!strcmp (option, "dyn-runtime-invoke"))
3213 debug_options.dyn_runtime_invoke = TRUE;
3214 else if (!strcmp (option, "gdb"))
3215 debug_options.gdb = TRUE;
3216 else if (!strcmp (option, "explicit-null-checks"))
3217 debug_options.explicit_null_checks = TRUE;
3218 else if (!strcmp (option, "gen-seq-points"))
3219 debug_options.gen_sdb_seq_points = TRUE;
3220 else if (!strcmp (option, "gen-compact-seq-points"))
3221 debug_options.gen_seq_points_compact_data = TRUE;
3222 else if (!strcmp (option, "single-imm-size"))
3223 debug_options.single_imm_size = TRUE;
3224 else if (!strcmp (option, "init-stacks"))
3225 debug_options.init_stacks = TRUE;
3226 else if (!strcmp (option, "casts"))
3227 debug_options.better_cast_details = TRUE;
3228 else if (!strcmp (option, "soft-breakpoints"))
3229 debug_options.soft_breakpoints = TRUE;
3230 else if (!strcmp (option, "check-pinvoke-callconv"))
3231 debug_options.check_pinvoke_callconv = TRUE;
3232 else if (!strcmp (option, "arm-use-fallback-tls"))
3233 debug_options.arm_use_fallback_tls = TRUE;
3234 else if (!strcmp (option, "debug-domain-unload"))
3235 mono_enable_debug_domain_unload (TRUE);
3236 else if (!strcmp (option, "partial-sharing"))
3237 mono_set_partial_sharing_supported (TRUE);
3238 else if (!strcmp (option, "align-small-structs"))
3239 mono_align_small_structs = TRUE;
3240 else if (!strcmp (option, "native-debugger-break"))
3241 debug_options.native_debugger_break = TRUE;
3249 mini_parse_debug_options (void)
3251 const char *options = g_getenv ("MONO_DEBUG");
3252 gchar **args, **ptr;
3257 args = g_strsplit (options, ",", -1);
3259 for (ptr = args; ptr && *ptr; ptr++) {
3260 const char *arg = *ptr;
3262 if (!mini_parse_debug_option (arg)) {
3263 fprintf (stderr, "Invalid option for the MONO_DEBUG env variable: %s\n", arg);
3264 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");
3273 mini_get_debug_options (void)
3275 return &debug_options;
3279 mini_create_ftnptr (MonoDomain *domain, gpointer addr)
3281 #if !defined(__ia64__) && (!defined(__ppc64__) && !defined(__powerpc64__) || _CALL_ELF == 2)
3284 gpointer* desc = NULL;
3286 if ((desc = g_hash_table_lookup (domain->ftnptrs_hash, addr)))
3289 desc = mono_domain_code_reserve (domain, 2 * sizeof (gpointer));
3293 # elif defined(__ppc64__) || defined(__powerpc64__)
3295 desc = mono_domain_alloc0 (domain, 3 * sizeof (gpointer));
3301 g_hash_table_insert (domain->ftnptrs_hash, addr, desc);
3307 mini_get_addr_from_ftnptr (gpointer descr)
3309 #if defined(__ia64__) || ((defined(__ppc64__) || defined(__powerpc64__)) && _CALL_ELF != 2)
3310 return *(gpointer*)descr;
3317 register_jit_stats (void)
3319 mono_counters_register ("Compiled methods", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.methods_compiled);
3320 mono_counters_register ("Methods from AOT", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.methods_aot);
3321 mono_counters_register ("Methods JITted using mono JIT", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.methods_without_llvm);
3322 mono_counters_register ("Methods JITted using LLVM", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.methods_with_llvm);
3323 mono_counters_register ("Total time spent JITting (sec)", MONO_COUNTER_JIT | MONO_COUNTER_DOUBLE, &mono_jit_stats.jit_time);
3324 mono_counters_register ("Basic blocks", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.basic_blocks);
3325 mono_counters_register ("Max basic blocks", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.max_basic_blocks);
3326 mono_counters_register ("Allocated vars", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.allocate_var);
3327 mono_counters_register ("Code reallocs", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.code_reallocs);
3328 mono_counters_register ("Allocated code size", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.allocated_code_size);
3329 mono_counters_register ("Allocated seq points size", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.allocated_seq_points_size);
3330 mono_counters_register ("Inlineable methods", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.inlineable_methods);
3331 mono_counters_register ("Inlined methods", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.inlined_methods);
3332 mono_counters_register ("Regvars", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.regvars);
3333 mono_counters_register ("Locals stack size", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.locals_stack_size);
3334 mono_counters_register ("Method cache lookups", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.methods_lookups);
3335 mono_counters_register ("Compiled CIL code size", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.cil_code_size);
3336 mono_counters_register ("Native code size", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.native_code_size);
3337 mono_counters_register ("Aliases found", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.alias_found);
3338 mono_counters_register ("Aliases eliminated", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.alias_removed);
3339 mono_counters_register ("Aliased loads eliminated", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.loads_eliminated);
3340 mono_counters_register ("Aliased stores eliminated", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.stores_eliminated);
3343 static void runtime_invoke_info_free (gpointer value);
3346 class_method_pair_equal (gconstpointer ka, gconstpointer kb)
3348 const MonoClassMethodPair *apair = (const MonoClassMethodPair *)ka;
3349 const MonoClassMethodPair *bpair = (const MonoClassMethodPair *)kb;
3351 return apair->klass == bpair->klass && apair->method == bpair->method ? 1 : 0;
3355 class_method_pair_hash (gconstpointer data)
3357 const MonoClassMethodPair *pair = (const MonoClassMethodPair *)data;
3359 return (gsize)pair->klass ^ (gsize)pair->method;
3363 mini_create_jit_domain_info (MonoDomain *domain)
3365 MonoJitDomainInfo *info = g_new0 (MonoJitDomainInfo, 1);
3367 info->jump_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
3368 info->jit_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
3369 info->delegate_trampoline_hash = g_hash_table_new (class_method_pair_hash, class_method_pair_equal);
3370 info->llvm_vcall_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
3371 info->runtime_invoke_hash = mono_conc_hashtable_new_full (mono_aligned_addr_hash, NULL, NULL, runtime_invoke_info_free);
3372 info->seq_points = g_hash_table_new_full (mono_aligned_addr_hash, NULL, NULL, mono_seq_point_info_free);
3373 info->arch_seq_points = g_hash_table_new (mono_aligned_addr_hash, NULL);
3374 info->jump_target_hash = g_hash_table_new (NULL, NULL);
3376 domain->runtime_info = info;
3380 delete_jump_list (gpointer key, gpointer value, gpointer user_data)
3382 MonoJumpList *jlist = (MonoJumpList *)value;
3383 g_slist_free (jlist->list);
3387 delete_got_slot_list (gpointer key, gpointer value, gpointer user_data)
3389 GSList *list = (GSList *)value;
3390 g_slist_free (list);
3394 dynamic_method_info_free (gpointer key, gpointer value, gpointer user_data)
3396 MonoJitDynamicMethodInfo *di = (MonoJitDynamicMethodInfo *)value;
3397 mono_code_manager_destroy (di->code_mp);
3402 runtime_invoke_info_free (gpointer value)
3404 RuntimeInvokeInfo *info = (RuntimeInvokeInfo*)value;
3406 #ifdef MONO_ARCH_DYN_CALL_SUPPORTED
3407 if (info->dyn_call_info)
3408 mono_arch_dyn_call_free (info->dyn_call_info);
3414 mini_free_jit_domain_info (MonoDomain *domain)
3416 MonoJitDomainInfo *info = domain_jit_info (domain);
3418 g_hash_table_foreach (info->jump_target_hash, delete_jump_list, NULL);
3419 g_hash_table_destroy (info->jump_target_hash);
3420 if (info->jump_target_got_slot_hash) {
3421 g_hash_table_foreach (info->jump_target_got_slot_hash, delete_got_slot_list, NULL);
3422 g_hash_table_destroy (info->jump_target_got_slot_hash);
3424 if (info->dynamic_code_hash) {
3425 g_hash_table_foreach (info->dynamic_code_hash, dynamic_method_info_free, NULL);
3426 g_hash_table_destroy (info->dynamic_code_hash);
3428 if (info->method_code_hash)
3429 g_hash_table_destroy (info->method_code_hash);
3430 g_hash_table_destroy (info->jump_trampoline_hash);
3431 g_hash_table_destroy (info->jit_trampoline_hash);
3432 g_hash_table_destroy (info->delegate_trampoline_hash);
3433 if (info->static_rgctx_trampoline_hash)
3434 g_hash_table_destroy (info->static_rgctx_trampoline_hash);
3435 g_hash_table_destroy (info->llvm_vcall_trampoline_hash);
3436 mono_conc_hashtable_destroy (info->runtime_invoke_hash);
3437 g_hash_table_destroy (info->seq_points);
3438 g_hash_table_destroy (info->arch_seq_points);
3439 if (info->agent_info)
3440 mono_debugger_agent_free_domain_info (domain);
3441 if (info->gsharedvt_arg_tramp_hash)
3442 g_hash_table_destroy (info->gsharedvt_arg_tramp_hash);
3444 mono_llvm_free_domain_info (domain);
3447 g_free (domain->runtime_info);
3448 domain->runtime_info = NULL;
3453 llvm_init_inner (void)
3455 if (!mono_llvm_load (NULL))
3466 * Load and initialize LLVM support.
3467 * Return TRUE on success.
3470 mini_llvm_init (void)
3473 static gboolean llvm_inited;
3474 static gboolean init_result;
3476 mono_loader_lock_if_inited ();
3478 init_result = llvm_init_inner ();
3481 mono_loader_unlock_if_inited ();
3489 mini_init (const char *filename, const char *runtime_version)
3492 MonoRuntimeCallbacks callbacks;
3493 MonoThreadInfoRuntimeCallbacks ticallbacks;
3495 MONO_VES_INIT_BEGIN ();
3497 CHECKED_MONO_INIT ();
3499 #if defined(__linux__) && !defined(__native_client__)
3500 if (access ("/proc/self/maps", F_OK) != 0) {
3501 g_print ("Mono requires /proc to be mounted.\n");
3506 mono_os_mutex_init_recursive (&jit_mutex);
3508 mono_cross_helpers_run ();
3512 /* Happens when using the embedding interface */
3513 if (!default_opt_set)
3514 default_opt = mono_parse_default_optimizations (NULL);
3516 #ifdef MONO_ARCH_GSHAREDVT_SUPPORTED
3518 mono_set_generic_sharing_vt_supported (TRUE);
3521 mono_set_generic_sharing_vt_supported (TRUE);
3524 #ifdef MONO_HAVE_FAST_TLS
3525 MONO_FAST_TLS_INIT (mono_jit_tls);
3526 MONO_FAST_TLS_INIT (mono_lmf_addr);
3527 #ifdef MONO_ARCH_ENABLE_MONO_LMF_VAR
3528 MONO_FAST_TLS_INIT (mono_lmf);
3532 mono_runtime_set_has_tls_get (MONO_ARCH_HAVE_TLS_GET);
3534 if (!global_codeman)
3535 global_codeman = mono_code_manager_new ();
3537 memset (&callbacks, 0, sizeof (callbacks));
3538 callbacks.create_ftnptr = mini_create_ftnptr;
3539 callbacks.get_addr_from_ftnptr = mini_get_addr_from_ftnptr;
3540 callbacks.get_runtime_build_info = mono_get_runtime_build_info;
3541 callbacks.set_cast_details = mono_set_cast_details;
3542 callbacks.debug_log = mono_debugger_agent_debug_log;
3543 callbacks.debug_log_is_enabled = mono_debugger_agent_debug_log_is_enabled;
3544 callbacks.tls_key_supported = mini_tls_key_supported;
3545 callbacks.get_vtable_trampoline = mini_get_vtable_trampoline;
3546 callbacks.get_imt_trampoline = mini_get_imt_trampoline;
3547 callbacks.imt_entry_inited = mini_imt_entry_inited;
3548 callbacks.init_delegate = mini_init_delegate;
3549 #define JIT_INVOKE_WORKS
3550 #ifdef JIT_INVOKE_WORKS
3551 callbacks.runtime_invoke = mono_jit_runtime_invoke;
3553 #define JIT_TRAMPOLINES_WORK
3554 #ifdef JIT_TRAMPOLINES_WORK
3555 callbacks.compile_method = mono_jit_compile_method;
3558 mono_install_callbacks (&callbacks);
3560 memset (&ticallbacks, 0, sizeof (ticallbacks));
3561 ticallbacks.setup_async_callback = mono_setup_async_callback;
3562 ticallbacks.thread_state_init_from_sigctx = mono_thread_state_init_from_sigctx;
3563 ticallbacks.thread_state_init_from_handle = mono_thread_state_init_from_handle;
3564 ticallbacks.thread_state_init = mono_thread_state_init;
3566 mono_counters_init ();
3568 mono_threads_runtime_init (&ticallbacks);
3570 if (g_getenv ("MONO_DEBUG") != NULL)
3571 mini_parse_debug_options ();
3573 mono_code_manager_init ();
3577 mono_arch_cpu_init ();
3581 mono_unwind_init ();
3583 #ifdef XDEBUG_ENABLED
3584 if (g_getenv ("MONO_XDEBUG")) {
3585 const char *xdebug_opts = g_getenv ("MONO_XDEBUG");
3586 mono_xdebug_init (xdebug_opts);
3587 /* So methods for multiple domains don't have the same address */
3588 mono_dont_free_domains = TRUE;
3589 mono_using_xdebug = TRUE;
3590 } else if (mini_get_debug_options ()->gdb) {
3591 mono_xdebug_init ((char*)"gdb");
3592 mono_dont_free_domains = TRUE;
3593 mono_using_xdebug = TRUE;
3598 if (mono_use_llvm) {
3599 if (!mono_llvm_load (NULL)) {
3600 mono_use_llvm = FALSE;
3601 fprintf (stderr, "Mono Warning: llvm support could not be loaded.\n");
3608 mono_trampolines_init ();
3610 mono_native_tls_alloc (&mono_jit_tls_id, NULL);
3612 if (default_opt & MONO_OPT_AOT)
3615 mono_debugger_agent_init ();
3617 #ifdef MONO_ARCH_GSHARED_SUPPORTED
3618 mono_set_generic_sharing_supported (TRUE);
3621 #ifndef MONO_CROSS_COMPILE
3622 mono_runtime_install_handlers ();
3624 mono_threads_install_cleanup (mini_thread_cleanup);
3626 #ifdef JIT_TRAMPOLINES_WORK
3627 mono_install_free_method (mono_jit_free_method);
3628 mono_install_trampoline (mono_create_jit_trampoline);
3629 mono_install_jump_trampoline (mono_create_jump_trampoline);
3630 #ifndef DISABLE_REMOTING
3631 mono_install_remoting_trampoline (mono_jit_create_remoting_trampoline);
3633 mono_install_delegate_trampoline (mono_create_delegate_trampoline);
3634 mono_install_create_domain_hook (mini_create_jit_domain_info);
3635 mono_install_free_domain_hook (mini_free_jit_domain_info);
3637 mono_install_get_cached_class_info (mono_aot_get_cached_class_info);
3638 mono_install_get_class_from_name (mono_aot_get_class_from_name);
3639 mono_install_jit_info_find_in_aot (mono_aot_find_jit_info);
3641 if (debug_options.collect_pagefault_stats)
3642 mono_aot_set_make_unreadable (TRUE);
3644 if (runtime_version)
3645 domain = mono_init_version (filename, runtime_version);
3647 domain = mono_init_from_assembly (filename, filename);
3649 if (mono_aot_only) {
3650 /* This helps catch code allocation requests */
3651 mono_code_manager_set_read_only (domain->code_mp);
3652 mono_marshal_use_aot_wrappers (TRUE);
3655 if (mono_llvm_only) {
3656 mono_install_imt_thunk_builder (mono_llvmonly_get_imt_thunk);
3657 mono_set_always_build_imt_thunks (TRUE);
3658 } else if (mono_aot_only) {
3659 mono_install_imt_thunk_builder (mono_aot_get_imt_thunk);
3661 mono_install_imt_thunk_builder (mono_arch_build_imt_thunk);
3664 /*Init arch tls information only after the metadata side is inited to make sure we see dynamic appdomain tls keys*/
3665 mono_arch_finish_init ();
3669 /* This must come after mono_init () in the aot-only case */
3670 mono_exceptions_init ();
3672 /* This should come after mono_init () too */
3676 mono_create_helper_signatures ();
3679 register_jit_stats ();
3681 #define JIT_CALLS_WORK
3682 #ifdef JIT_CALLS_WORK
3683 /* Needs to be called here since register_jit_icall depends on it */
3684 mono_marshal_init ();
3686 mono_arch_register_lowlevel_calls ();
3690 mono_generic_sharing_init ();
3693 #ifdef MONO_ARCH_SIMD_INTRINSICS
3694 mono_simd_intrinsics_init ();
3697 #if MONO_SUPPORT_TASKLETS
3698 mono_tasklets_init ();
3701 register_trampolines (domain);
3703 if (mono_compile_aot)
3705 * Avoid running managed code when AOT compiling, since the platform
3706 * might only support aot-only execution.
3708 mono_runtime_set_no_exec (TRUE);
3710 #define JIT_RUNTIME_WORKS
3711 #ifdef JIT_RUNTIME_WORKS
3712 mono_install_runtime_cleanup ((MonoDomainFunc)mini_cleanup);
3713 mono_runtime_init (domain, mono_thread_start_cb, mono_thread_attach_cb);
3714 mono_thread_attach (domain);
3717 mono_profiler_runtime_initialized ();
3719 MONO_VES_INIT_END ();
3725 register_icalls (void)
3727 mono_add_internal_call ("System.Diagnostics.StackFrame::get_frame_info",
3728 ves_icall_get_frame_info);
3729 mono_add_internal_call ("System.Diagnostics.StackTrace::get_trace",
3730 ves_icall_get_trace);
3731 mono_add_internal_call ("Mono.Runtime::mono_runtime_install_handlers",
3732 mono_runtime_install_handlers);
3734 #if defined(PLATFORM_ANDROID) || defined(TARGET_ANDROID)
3735 mono_add_internal_call ("System.Diagnostics.Debugger::Mono_UnhandledException_internal",
3736 mono_debugger_agent_unhandled_exception);
3740 * It's important that we pass `TRUE` as the last argument here, as
3741 * it causes the JIT to omit a wrapper for these icalls. If the JIT
3742 * *did* emit a wrapper, we'd be looking at infinite recursion since
3743 * the wrapper would call the icall which would call the wrapper and
3746 register_icall (mono_profiler_method_enter, "mono_profiler_method_enter", "void ptr", TRUE);
3747 register_icall (mono_profiler_method_leave, "mono_profiler_method_leave", "void ptr", TRUE);
3749 register_icall (mono_trace_enter_method, "mono_trace_enter_method", NULL, TRUE);
3750 register_icall (mono_trace_leave_method, "mono_trace_leave_method", NULL, TRUE);
3751 register_icall (mono_get_lmf_addr, "mono_get_lmf_addr", "ptr", TRUE);
3752 register_icall (mono_jit_thread_attach, "mono_jit_thread_attach", "ptr ptr", TRUE);
3753 register_icall (mono_jit_set_domain, "mono_jit_set_domain", "void ptr", TRUE);
3754 register_icall (mono_domain_get, "mono_domain_get", "ptr", TRUE);
3756 register_icall (mono_llvm_throw_exception, "mono_llvm_throw_exception", "void object", TRUE);
3757 register_icall (mono_llvm_rethrow_exception, "mono_llvm_rethrow_exception", "void object", TRUE);
3758 register_icall (mono_llvm_resume_exception, "mono_llvm_resume_exception", "void", TRUE);
3759 register_icall (mono_llvm_match_exception, "mono_llvm_match_exception", "int ptr int int", TRUE);
3760 register_icall (mono_llvm_clear_exception, "mono_llvm_clear_exception", NULL, TRUE);
3761 register_icall (mono_llvm_load_exception, "mono_llvm_load_exception", "object", TRUE);
3762 register_icall (mono_llvm_throw_corlib_exception, "mono_llvm_throw_corlib_exception", "void int", TRUE);
3763 #if defined(ENABLE_LLVM) && !defined(MONO_LLVM_LOADED)
3764 register_icall (mono_llvm_set_unhandled_exception_handler, "mono_llvm_set_unhandled_exception_handler", NULL, TRUE);
3766 // FIXME: This is broken
3767 register_icall (mono_debug_personality, "mono_debug_personality", "int int int ptr ptr ptr", TRUE);
3770 register_dyn_icall (mono_get_throw_exception (), "mono_arch_throw_exception", "void object", TRUE);
3771 register_dyn_icall (mono_get_rethrow_exception (), "mono_arch_rethrow_exception", "void object", TRUE);
3772 register_dyn_icall (mono_get_throw_corlib_exception (), "mono_arch_throw_corlib_exception", "void ptr", TRUE);
3773 register_icall (mono_thread_get_undeniable_exception, "mono_thread_get_undeniable_exception", "object", FALSE);
3774 register_icall (mono_thread_interruption_checkpoint, "mono_thread_interruption_checkpoint", "object", FALSE);
3775 register_icall (mono_thread_force_interruption_checkpoint_noraise, "mono_thread_force_interruption_checkpoint_noraise", "object", FALSE);
3776 #ifndef DISABLE_REMOTING
3777 register_icall (mono_load_remote_field_new, "mono_load_remote_field_new", "object object ptr ptr", FALSE);
3778 register_icall (mono_store_remote_field_new, "mono_store_remote_field_new", "void object ptr ptr object", FALSE);
3781 #if defined(__native_client__) || defined(__native_client_codegen__)
3782 register_icall (mono_nacl_gc, "mono_nacl_gc", "void", FALSE);
3785 if (mono_threads_is_coop_enabled ())
3786 register_icall (mono_threads_state_poll, "mono_threads_state_poll", "void", FALSE);
3788 #ifndef MONO_ARCH_NO_EMULATE_LONG_MUL_OPTS
3789 register_opcode_emulation (OP_LMUL, "__emul_lmul", "long long long", mono_llmult, "mono_llmult", TRUE);
3790 register_opcode_emulation (OP_LDIV, "__emul_ldiv", "long long long", mono_lldiv, "mono_lldiv", FALSE);
3791 register_opcode_emulation (OP_LDIV_UN, "__emul_ldiv_un", "long long long", mono_lldiv_un, "mono_lldiv_un", FALSE);
3792 register_opcode_emulation (OP_LREM, "__emul_lrem", "long long long", mono_llrem, "mono_llrem", FALSE);
3793 register_opcode_emulation (OP_LREM_UN, "__emul_lrem_un", "long long long", mono_llrem_un, "mono_llrem_un", FALSE);
3795 #if !defined(MONO_ARCH_NO_EMULATE_LONG_MUL_OPTS) || defined(MONO_ARCH_EMULATE_LONG_MUL_OVF_OPTS)
3796 register_opcode_emulation (OP_LMUL_OVF_UN, "__emul_lmul_ovf_un", "long long long", mono_llmult_ovf_un, "mono_llmult_ovf_un", FALSE);
3797 register_opcode_emulation (OP_LMUL_OVF, "__emul_lmul_ovf", "long long long", mono_llmult_ovf, "mono_llmult_ovf", FALSE);
3800 #ifndef MONO_ARCH_NO_EMULATE_LONG_SHIFT_OPS
3801 register_opcode_emulation (OP_LSHL, "__emul_lshl", "long long int32", mono_lshl, "mono_lshl", TRUE);
3802 register_opcode_emulation (OP_LSHR, "__emul_lshr", "long long int32", mono_lshr, "mono_lshr", TRUE);
3803 register_opcode_emulation (OP_LSHR_UN, "__emul_lshr_un", "long long int32", mono_lshr_un, "mono_lshr_un", TRUE);
3806 #if defined(MONO_ARCH_EMULATE_MUL_DIV) || defined(MONO_ARCH_EMULATE_DIV)
3807 register_opcode_emulation (OP_IDIV, "__emul_op_idiv", "int32 int32 int32", mono_idiv, "mono_idiv", FALSE);
3808 register_opcode_emulation (OP_IDIV_UN, "__emul_op_idiv_un", "int32 int32 int32", mono_idiv_un, "mono_idiv_un", FALSE);
3809 register_opcode_emulation (OP_IREM, "__emul_op_irem", "int32 int32 int32", mono_irem, "mono_irem", FALSE);
3810 register_opcode_emulation (OP_IREM_UN, "__emul_op_irem_un", "int32 int32 int32", mono_irem_un, "mono_irem_un", FALSE);
3813 #ifdef MONO_ARCH_EMULATE_MUL_DIV
3814 register_opcode_emulation (OP_IMUL, "__emul_op_imul", "int32 int32 int32", mono_imul, "mono_imul", TRUE);
3817 #if defined(MONO_ARCH_EMULATE_MUL_DIV) || defined(MONO_ARCH_EMULATE_MUL_OVF)
3818 register_opcode_emulation (OP_IMUL_OVF, "__emul_op_imul_ovf", "int32 int32 int32", mono_imul_ovf, "mono_imul_ovf", FALSE);
3819 register_opcode_emulation (OP_IMUL_OVF_UN, "__emul_op_imul_ovf_un", "int32 int32 int32", mono_imul_ovf_un, "mono_imul_ovf_un", FALSE);
3822 #if defined(MONO_ARCH_EMULATE_MUL_DIV) || defined(MONO_ARCH_SOFT_FLOAT_FALLBACK)
3823 register_opcode_emulation (OP_FDIV, "__emul_fdiv", "double double double", mono_fdiv, "mono_fdiv", FALSE);
3826 register_opcode_emulation (OP_FCONV_TO_U8, "__emul_fconv_to_u8", "ulong double", mono_fconv_u8, "mono_fconv_u8", FALSE);
3827 register_opcode_emulation (OP_RCONV_TO_U8, "__emul_rconv_to_u8", "ulong float", mono_rconv_u8, "mono_rconv_u8", FALSE);
3828 register_opcode_emulation (OP_FCONV_TO_U4, "__emul_fconv_to_u4", "uint32 double", mono_fconv_u4, "mono_fconv_u4", FALSE);
3829 register_opcode_emulation (OP_FCONV_TO_OVF_I8, "__emul_fconv_to_ovf_i8", "long double", mono_fconv_ovf_i8, "mono_fconv_ovf_i8", FALSE);
3830 register_opcode_emulation (OP_FCONV_TO_OVF_U8, "__emul_fconv_to_ovf_u8", "ulong double", mono_fconv_ovf_u8, "mono_fconv_ovf_u8", FALSE);
3831 register_opcode_emulation (OP_RCONV_TO_OVF_I8, "__emul_rconv_to_ovf_i8", "long float", mono_rconv_ovf_i8, "mono_rconv_ovf_i8", FALSE);
3832 register_opcode_emulation (OP_RCONV_TO_OVF_U8, "__emul_rconv_to_ovf_u8", "ulong float", mono_rconv_ovf_u8, "mono_rconv_ovf_u8", FALSE);
3835 #ifdef MONO_ARCH_EMULATE_FCONV_TO_I8
3836 register_opcode_emulation (OP_FCONV_TO_I8, "__emul_fconv_to_i8", "long double", mono_fconv_i8, "mono_fconv_i8", FALSE);
3837 register_opcode_emulation (OP_RCONV_TO_I8, "__emul_rconv_to_i8", "long float", mono_rconv_i8, "mono_rconv_i8", FALSE);
3840 #ifdef MONO_ARCH_EMULATE_CONV_R8_UN
3841 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);
3843 #ifdef MONO_ARCH_EMULATE_LCONV_TO_R8
3844 register_opcode_emulation (OP_LCONV_TO_R8, "__emul_lconv_to_r8", "double long", mono_lconv_to_r8, "mono_lconv_to_r8", FALSE);
3846 #ifdef MONO_ARCH_EMULATE_LCONV_TO_R4
3847 register_opcode_emulation (OP_LCONV_TO_R4, "__emul_lconv_to_r4", "float long", mono_lconv_to_r4, "mono_lconv_to_r4", FALSE);
3849 #ifdef MONO_ARCH_EMULATE_LCONV_TO_R8_UN
3850 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);
3852 #ifdef MONO_ARCH_EMULATE_FREM
3853 #if defined(__default_codegen__)
3854 register_opcode_emulation (OP_FREM, "__emul_frem", "double double double", fmod, "fmod", FALSE);
3855 register_opcode_emulation (OP_RREM, "__emul_rrem", "float float float", fmodf, "fmodf", FALSE);
3856 #elif defined(__native_client_codegen__)
3857 register_opcode_emulation (OP_FREM, "__emul_frem", "double double double", mono_fmod, "mono_fmod", FALSE);
3861 #ifdef MONO_ARCH_SOFT_FLOAT_FALLBACK
3862 if (mono_arch_is_soft_float ()) {
3863 register_opcode_emulation (OP_FSUB, "__emul_fsub", "double double double", mono_fsub, "mono_fsub", FALSE);
3864 register_opcode_emulation (OP_FADD, "__emul_fadd", "double double double", mono_fadd, "mono_fadd", FALSE);
3865 register_opcode_emulation (OP_FMUL, "__emul_fmul", "double double double", mono_fmul, "mono_fmul", FALSE);
3866 register_opcode_emulation (OP_FNEG, "__emul_fneg", "double double", mono_fneg, "mono_fneg", FALSE);
3867 register_opcode_emulation (OP_ICONV_TO_R8, "__emul_iconv_to_r8", "double int32", mono_conv_to_r8, "mono_conv_to_r8", FALSE);
3868 register_opcode_emulation (OP_ICONV_TO_R4, "__emul_iconv_to_r4", "double int32", mono_conv_to_r4, "mono_conv_to_r4", FALSE);
3869 register_opcode_emulation (OP_FCONV_TO_R4, "__emul_fconv_to_r4", "double double", mono_fconv_r4, "mono_fconv_r4", FALSE);
3870 register_opcode_emulation (OP_FCONV_TO_I1, "__emul_fconv_to_i1", "int8 double", mono_fconv_i1, "mono_fconv_i1", FALSE);
3871 register_opcode_emulation (OP_FCONV_TO_I2, "__emul_fconv_to_i2", "int16 double", mono_fconv_i2, "mono_fconv_i2", FALSE);
3872 register_opcode_emulation (OP_FCONV_TO_I4, "__emul_fconv_to_i4", "int32 double", mono_fconv_i4, "mono_fconv_i4", FALSE);
3873 register_opcode_emulation (OP_FCONV_TO_U1, "__emul_fconv_to_u1", "uint8 double", mono_fconv_u1, "mono_fconv_u1", FALSE);
3874 register_opcode_emulation (OP_FCONV_TO_U2, "__emul_fconv_to_u2", "uint16 double", mono_fconv_u2, "mono_fconv_u2", FALSE);
3876 #if SIZEOF_VOID_P == 4
3877 register_opcode_emulation (OP_FCONV_TO_I, "__emul_fconv_to_i", "int32 double", mono_fconv_i4, "mono_fconv_i4", FALSE);
3880 register_opcode_emulation (OP_FBEQ, "__emul_fcmp_eq", "uint32 double double", mono_fcmp_eq, "mono_fcmp_eq", FALSE);
3881 register_opcode_emulation (OP_FBLT, "__emul_fcmp_lt", "uint32 double double", mono_fcmp_lt, "mono_fcmp_lt", FALSE);
3882 register_opcode_emulation (OP_FBGT, "__emul_fcmp_gt", "uint32 double double", mono_fcmp_gt, "mono_fcmp_gt", FALSE);
3883 register_opcode_emulation (OP_FBLE, "__emul_fcmp_le", "uint32 double double", mono_fcmp_le, "mono_fcmp_le", FALSE);
3884 register_opcode_emulation (OP_FBGE, "__emul_fcmp_ge", "uint32 double double", mono_fcmp_ge, "mono_fcmp_ge", FALSE);
3885 register_opcode_emulation (OP_FBNE_UN, "__emul_fcmp_ne_un", "uint32 double double", mono_fcmp_ne_un, "mono_fcmp_ne_un", FALSE);
3886 register_opcode_emulation (OP_FBLT_UN, "__emul_fcmp_lt_un", "uint32 double double", mono_fcmp_lt_un, "mono_fcmp_lt_un", FALSE);
3887 register_opcode_emulation (OP_FBGT_UN, "__emul_fcmp_gt_un", "uint32 double double", mono_fcmp_gt_un, "mono_fcmp_gt_un", FALSE);
3888 register_opcode_emulation (OP_FBLE_UN, "__emul_fcmp_le_un", "uint32 double double", mono_fcmp_le_un, "mono_fcmp_le_un", FALSE);
3889 register_opcode_emulation (OP_FBGE_UN, "__emul_fcmp_ge_un", "uint32 double double", mono_fcmp_ge_un, "mono_fcmp_ge_un", FALSE);
3891 register_opcode_emulation (OP_FCEQ, "__emul_fcmp_ceq", "uint32 double double", mono_fceq, "mono_fceq", FALSE);
3892 register_opcode_emulation (OP_FCGT, "__emul_fcmp_cgt", "uint32 double double", mono_fcgt, "mono_fcgt", FALSE);
3893 register_opcode_emulation (OP_FCGT_UN, "__emul_fcmp_cgt_un", "uint32 double double", mono_fcgt_un, "mono_fcgt_un", FALSE);
3894 register_opcode_emulation (OP_FCLT, "__emul_fcmp_clt", "uint32 double double", mono_fclt, "mono_fclt", FALSE);
3895 register_opcode_emulation (OP_FCLT_UN, "__emul_fcmp_clt_un", "uint32 double double", mono_fclt_un, "mono_fclt_un", FALSE);
3897 register_icall (mono_fload_r4, "mono_fload_r4", "double ptr", FALSE);
3898 register_icall (mono_fstore_r4, "mono_fstore_r4", "void double ptr", FALSE);
3899 register_icall (mono_fload_r4_arg, "mono_fload_r4_arg", "uint32 double", FALSE);
3900 register_icall (mono_isfinite, "mono_isfinite", "uint32 double", FALSE);
3903 register_icall (mono_ckfinite, "mono_ckfinite", "double double", FALSE);
3905 #ifdef COMPRESSED_INTERFACE_BITMAP
3906 register_icall (mono_class_interface_match, "mono_class_interface_match", "uint32 ptr int32", TRUE);
3909 #if SIZEOF_REGISTER == 4
3910 register_opcode_emulation (OP_FCONV_TO_U, "__emul_fconv_to_u", "uint32 double", mono_fconv_u4, "mono_fconv_u4", TRUE);
3912 register_opcode_emulation (OP_FCONV_TO_U, "__emul_fconv_to_u", "ulong double", mono_fconv_u8, "mono_fconv_u8", TRUE);
3915 /* other jit icalls */
3916 register_icall (mono_delegate_ctor, "mono_delegate_ctor", "void object object ptr", FALSE);
3917 register_icall (mono_class_static_field_address , "mono_class_static_field_address",
3918 "ptr ptr ptr", FALSE);
3919 register_icall (mono_ldtoken_wrapper, "mono_ldtoken_wrapper", "ptr ptr ptr ptr", FALSE);
3920 register_icall (mono_ldtoken_wrapper_generic_shared, "mono_ldtoken_wrapper_generic_shared",
3921 "ptr ptr ptr ptr", FALSE);
3922 register_icall (mono_get_special_static_data, "mono_get_special_static_data", "ptr int", FALSE);
3923 register_icall (mono_ldstr, "mono_ldstr", "object ptr ptr int32", FALSE);
3924 register_icall (mono_helper_stelem_ref_check, "mono_helper_stelem_ref_check", "void object object", FALSE);
3925 register_icall (ves_icall_object_new, "ves_icall_object_new", "object ptr ptr", FALSE);
3926 register_icall (ves_icall_object_new_specific, "ves_icall_object_new_specific", "object ptr", FALSE);
3927 register_icall (mono_array_new, "mono_array_new", "object ptr ptr int32", FALSE);
3928 register_icall (ves_icall_array_new_specific, "ves_icall_array_new_specific", "object ptr int32", FALSE);
3929 register_icall (mono_runtime_class_init, "mono_runtime_class_init", "void ptr", FALSE);
3930 register_icall (mono_ldftn, "mono_ldftn", "ptr ptr", FALSE);
3931 register_icall (mono_ldvirtfn, "mono_ldvirtfn", "ptr object ptr", FALSE);
3932 register_icall (mono_ldvirtfn_gshared, "mono_ldvirtfn_gshared", "ptr object ptr", FALSE);
3933 register_icall (mono_helper_compile_generic_method, "mono_helper_compile_generic_method", "ptr object ptr ptr", FALSE);
3934 register_icall (mono_helper_ldstr, "mono_helper_ldstr", "object ptr int", FALSE);
3935 register_icall (mono_helper_ldstr_mscorlib, "mono_helper_ldstr_mscorlib", "object int", FALSE);
3936 register_icall (mono_helper_newobj_mscorlib, "mono_helper_newobj_mscorlib", "object int", FALSE);
3937 register_icall (mono_value_copy, "mono_value_copy", "void ptr ptr ptr", FALSE);
3938 register_icall (mono_object_castclass_unbox, "mono_object_castclass_unbox", "object object ptr", FALSE);
3939 register_icall (mono_break, "mono_break", NULL, TRUE);
3940 register_icall (mono_create_corlib_exception_0, "mono_create_corlib_exception_0", "object int", TRUE);
3941 register_icall (mono_create_corlib_exception_1, "mono_create_corlib_exception_1", "object int object", TRUE);
3942 register_icall (mono_create_corlib_exception_2, "mono_create_corlib_exception_2", "object int object object", TRUE);
3943 register_icall (mono_array_new_1, "mono_array_new_1", "object ptr int", FALSE);
3944 register_icall (mono_array_new_2, "mono_array_new_2", "object ptr int int", FALSE);
3945 register_icall (mono_array_new_3, "mono_array_new_3", "object ptr int int int", FALSE);
3946 register_icall (mono_array_new_4, "mono_array_new_4", "object ptr int int int int", FALSE);
3947 register_icall (mono_get_native_calli_wrapper, "mono_get_native_calli_wrapper", "ptr ptr ptr ptr", FALSE);
3948 register_icall (mono_resume_unwind, "mono_resume_unwind", "void", TRUE);
3949 register_icall (mono_gsharedvt_constrained_call, "mono_gsharedvt_constrained_call", "object ptr ptr ptr ptr ptr", FALSE);
3950 register_icall (mono_gsharedvt_value_copy, "mono_gsharedvt_value_copy", "void ptr ptr ptr", TRUE);
3952 register_icall (mono_gc_wbarrier_value_copy_bitmap, "mono_gc_wbarrier_value_copy_bitmap", "void ptr ptr int int", FALSE);
3954 register_icall (mono_object_castclass_with_cache, "mono_object_castclass_with_cache", "object object ptr ptr", FALSE);
3955 register_icall (mono_object_isinst_with_cache, "mono_object_isinst_with_cache", "object object ptr ptr", FALSE);
3956 register_icall (mono_generic_class_init, "mono_generic_class_init", "void ptr", FALSE);
3957 register_icall (mono_fill_class_rgctx, "mono_class_fill_rgctx", "ptr ptr int", FALSE);
3958 register_icall (mono_fill_method_rgctx, "mono_method_fill_rgctx", "ptr ptr int", FALSE);
3960 register_icall (mono_debugger_agent_user_break, "mono_debugger_agent_user_break", "void", FALSE);
3962 register_icall (mono_aot_init_llvm_method, "mono_aot_init_llvm_method", "void ptr int", TRUE);
3963 register_icall (mono_aot_init_gshared_method_this, "mono_aot_init_gshared_method_this", "void ptr int object", TRUE);
3964 register_icall (mono_aot_init_gshared_method_mrgctx, "mono_aot_init_gshared_method_mrgctx", "void ptr int ptr", TRUE);
3965 register_icall (mono_aot_init_gshared_method_vtable, "mono_aot_init_gshared_method_vtable", "void ptr int ptr", TRUE);
3967 register_icall_no_wrapper (mono_resolve_iface_call_gsharedvt, "mono_resolve_iface_call_gsharedvt", "ptr object int ptr ptr");
3968 register_icall_no_wrapper (mono_resolve_vcall_gsharedvt, "mono_resolve_vcall_gsharedvt", "ptr object int ptr ptr");
3969 register_icall_no_wrapper (mono_resolve_generic_virtual_call, "mono_resolve_generic_virtual_call", "ptr ptr int ptr");
3970 register_icall_no_wrapper (mono_resolve_generic_virtual_iface_call, "mono_resolve_generic_virtual_iface_call", "ptr ptr int ptr");
3971 /* This needs a wrapper so it can have a preserveall cconv */
3972 register_icall (mono_init_vtable_slot, "mono_init_vtable_slot", "ptr ptr int", FALSE);
3973 register_icall (mono_llvmonly_init_delegate, "mono_llvmonly_init_delegate", "void object", TRUE);
3974 register_icall (mono_llvmonly_init_delegate_virtual, "mono_llvmonly_init_delegate_virtual", "void object object ptr", TRUE);
3975 register_icall (mono_get_assembly_object, "mono_get_assembly_object", "object ptr", TRUE);
3976 register_icall (mono_get_method_object, "mono_get_method_object", "object ptr", TRUE);
3978 register_icall_with_wrapper (mono_monitor_enter, "mono_monitor_enter", "void obj");
3979 register_icall_with_wrapper (mono_monitor_enter_v4, "mono_monitor_enter_v4", "void obj ptr");
3980 register_icall_no_wrapper (mono_monitor_enter_fast, "mono_monitor_enter_fast", "int obj");
3981 register_icall_no_wrapper (mono_monitor_enter_v4_fast, "mono_monitor_enter_v4_fast", "int obj ptr");
3984 register_icall (pthread_getspecific, "pthread_getspecific", "ptr ptr", TRUE);
3988 MonoJitStats mono_jit_stats = {0};
3991 print_jit_stats (void)
3993 if (mono_jit_stats.enabled) {
3994 g_print ("Mono Jit statistics\n");
3995 g_print ("Max code size ratio: %.2f (%s)\n", mono_jit_stats.max_code_size_ratio/100.0,
3996 mono_jit_stats.max_ratio_method);
3997 g_print ("Biggest method: %ld (%s)\n", mono_jit_stats.biggest_method_size,
3998 mono_jit_stats.biggest_method);
4000 g_print ("Delegates created: %ld\n", mono_stats.delegate_creations);
4001 g_print ("Initialized classes: %ld\n", mono_stats.initialized_class_count);
4002 g_print ("Used classes: %ld\n", mono_stats.used_class_count);
4003 g_print ("Generic vtables: %ld\n", mono_stats.generic_vtable_count);
4004 g_print ("Methods: %ld\n", mono_stats.method_count);
4005 g_print ("Static data size: %ld\n", mono_stats.class_static_data_size);
4006 g_print ("VTable data size: %ld\n", mono_stats.class_vtable_size);
4007 g_print ("Mscorlib mempool size: %d\n", mono_mempool_get_allocated (mono_defaults.corlib->mempool));
4009 g_print ("\nInitialized classes: %ld\n", mono_stats.generic_class_count);
4010 g_print ("Inflated types: %ld\n", mono_stats.inflated_type_count);
4011 g_print ("Generics virtual invokes: %ld\n", mono_jit_stats.generic_virtual_invocations);
4013 g_print ("Sharable generic methods: %ld\n", mono_stats.generics_sharable_methods);
4014 g_print ("Unsharable generic methods: %ld\n", mono_stats.generics_unsharable_methods);
4015 g_print ("Shared generic methods: %ld\n", mono_stats.generics_shared_methods);
4016 g_print ("Shared vtype generic methods: %ld\n", mono_stats.gsharedvt_methods);
4018 g_print ("IMT tables size: %ld\n", mono_stats.imt_tables_size);
4019 g_print ("IMT number of tables: %ld\n", mono_stats.imt_number_of_tables);
4020 g_print ("IMT number of methods: %ld\n", mono_stats.imt_number_of_methods);
4021 g_print ("IMT used slots: %ld\n", mono_stats.imt_used_slots);
4022 g_print ("IMT colliding slots: %ld\n", mono_stats.imt_slots_with_collisions);
4023 g_print ("IMT max collisions: %ld\n", mono_stats.imt_max_collisions_in_slot);
4024 g_print ("IMT methods at max col: %ld\n", mono_stats.imt_method_count_when_max_collisions);
4025 g_print ("IMT thunks size: %ld\n", mono_stats.imt_thunks_size);
4027 g_print ("JIT info table inserts: %ld\n", mono_stats.jit_info_table_insert_count);
4028 g_print ("JIT info table removes: %ld\n", mono_stats.jit_info_table_remove_count);
4029 g_print ("JIT info table lookups: %ld\n", mono_stats.jit_info_table_lookup_count);
4031 g_free (mono_jit_stats.max_ratio_method);
4032 mono_jit_stats.max_ratio_method = NULL;
4033 g_free (mono_jit_stats.biggest_method);
4034 mono_jit_stats.biggest_method = NULL;
4039 mini_cleanup (MonoDomain *domain)
4041 mono_runtime_shutdown_stat_profiler ();
4044 cominterop_release_all_rcws ();
4047 #ifndef MONO_CROSS_COMPILE
4049 * mono_domain_finalize () needs to be called early since it needs the
4050 * execution engine still fully working (it may invoke managed finalizers).
4052 mono_domain_finalize (domain, 2000);
4055 /* This accesses metadata so needs to be called before runtime shutdown */
4058 mono_profiler_shutdown ();
4060 #ifndef MONO_CROSS_COMPILE
4061 mono_runtime_cleanup (domain);
4064 free_jit_tls_data ((MonoJitTlsData *)mono_native_tls_get_value (mono_jit_tls_id));
4066 mono_icall_cleanup ();
4068 mono_runtime_cleanup_handlers ();
4070 #ifndef MONO_CROSS_COMPILE
4071 mono_domain_free (domain, TRUE);
4076 mono_llvm_cleanup ();
4079 mono_aot_cleanup ();
4081 mono_trampolines_cleanup ();
4083 mono_unwind_cleanup ();
4085 mono_code_manager_destroy (global_codeman);
4086 g_free (vtable_trampolines);
4088 mini_jit_cleanup ();
4090 mono_tramp_info_cleanup ();
4092 mono_arch_cleanup ();
4094 mono_generic_sharing_cleanup ();
4098 mono_trace_cleanup ();
4100 mono_counters_dump (MONO_COUNTER_SECTION_MASK | MONO_COUNTER_MONOTONIC, stdout);
4102 if (mono_inject_async_exc_method)
4103 mono_method_desc_free (mono_inject_async_exc_method);
4105 mono_native_tls_free (mono_jit_tls_id);
4107 mono_os_mutex_destroy (&jit_mutex);
4109 mono_code_manager_cleanup ();
4111 #ifdef USE_JUMP_TABLES
4112 mono_jumptable_cleanup ();
4117 mono_set_defaults (int verbose_level, guint32 opts)
4119 mini_verbose = verbose_level;
4120 mono_set_optimizations (opts);
4124 mono_disable_optimizations (guint32 opts)
4126 default_opt &= ~opts;
4130 mono_set_optimizations (guint32 opts)
4133 default_opt_set = TRUE;
4134 #ifdef MONO_ARCH_GSHAREDVT_SUPPORTED
4135 mono_set_generic_sharing_vt_supported (mono_aot_only || ((default_opt & MONO_OPT_GSHAREDVT) != 0));
4138 mono_set_generic_sharing_vt_supported (TRUE);
4143 mono_set_verbose_level (guint32 level)
4145 mini_verbose = level;
4149 * mono_get_runtime_build_info:
4151 * Return the runtime version + build date in string format.
4152 * The returned string is owned by the caller. The returned string
4153 * format is "VERSION (FULL_VERSION BUILD_DATE)" and build date is optional.
4156 mono_get_runtime_build_info (void)
4158 if (mono_build_date)
4159 return g_strdup_printf ("%s (%s %s)", VERSION, FULL_VERSION, mono_build_date);
4161 return g_strdup_printf ("%s (%s)", VERSION, FULL_VERSION);
4165 mono_precompile_assembly (MonoAssembly *ass, void *user_data)
4167 GHashTable *assemblies = (GHashTable*)user_data;
4168 MonoImage *image = mono_assembly_get_image (ass);
4169 MonoMethod *method, *invoke;
4172 if (g_hash_table_lookup (assemblies, ass))
4175 g_hash_table_insert (assemblies, ass, ass);
4177 if (mini_verbose > 0)
4178 printf ("PRECOMPILE: %s.\n", mono_image_get_filename (image));
4180 for (i = 0; i < mono_image_get_table_rows (image, MONO_TABLE_METHOD); ++i) {
4183 method = mono_get_method_checked (image, MONO_TOKEN_METHOD_DEF | (i + 1), NULL, NULL, &error);
4185 mono_error_cleanup (&error); /* FIXME don't swallow the error */
4188 if (method->flags & METHOD_ATTRIBUTE_ABSTRACT)
4190 if (method->is_generic || method->klass->generic_container)
4194 if (mini_verbose > 1) {
4195 char * desc = mono_method_full_name (method, TRUE);
4196 g_print ("Compiling %d %s\n", count, desc);
4199 mono_compile_method (method);
4200 if (strcmp (method->name, "Finalize") == 0) {
4201 invoke = mono_marshal_get_runtime_invoke (method, FALSE);
4202 mono_compile_method (invoke);
4204 #ifndef DISABLE_REMOTING
4205 if (mono_class_is_marshalbyref (method->klass) && mono_method_signature (method)->hasthis) {
4206 invoke = mono_marshal_get_remoting_invoke_with_check (method);
4207 mono_compile_method (invoke);
4212 /* Load and precompile referenced assemblies as well */
4213 for (i = 0; i < mono_image_get_table_rows (image, MONO_TABLE_ASSEMBLYREF); ++i) {
4214 mono_assembly_load_reference (image, i);
4215 if (image->references [i])
4216 mono_precompile_assembly (image->references [i], assemblies);
4220 void mono_precompile_assemblies ()
4222 GHashTable *assemblies = g_hash_table_new (NULL, NULL);
4224 mono_assembly_foreach ((GFunc)mono_precompile_assembly, assemblies);
4226 g_hash_table_destroy (assemblies);
4231 * Have to export this for AOT.
4234 mono_personality (void)
4237 g_assert_not_reached ();
4240 #ifdef USE_JUMP_TABLES
4241 #define DEFAULT_JUMPTABLE_CHUNK_ELEMENTS 128
4243 typedef struct MonoJumpTableChunk {
4246 struct MonoJumpTableChunk *previous;
4247 /* gpointer entries[total]; */
4248 } MonoJumpTableChunk;
4250 static MonoJumpTableChunk* g_jumptable;
4251 #define mono_jumptable_lock() mono_os_mutex_lock (&jumptable_mutex)
4252 #define mono_jumptable_unlock() mono_os_mutex_unlock (&jumptable_mutex)
4253 static mono_mutex_t jumptable_mutex;
4255 static MonoJumpTableChunk*
4256 mono_create_jumptable_chunk (guint32 max_entries)
4258 guint32 size = sizeof (MonoJumpTableChunk) + max_entries * sizeof(gpointer);
4259 MonoJumpTableChunk *chunk = (MonoJumpTableChunk*) g_new0 (guchar, size);
4260 chunk->total = max_entries;
4265 mono_jumptable_init (void)
4267 if (g_jumptable == NULL) {
4268 mono_os_mutex_init_recursive (&jumptable_mutex);
4269 g_jumptable = mono_create_jumptable_chunk (DEFAULT_JUMPTABLE_CHUNK_ELEMENTS);
4274 mono_jumptable_add_entry (void)
4276 return mono_jumptable_add_entries (1);
4280 mono_jumptable_add_entries (guint32 entries)
4285 mono_jumptable_init ();
4286 mono_jumptable_lock ();
4287 index = g_jumptable->active;
4288 if (index + entries >= g_jumptable->total) {
4290 * Grow jumptable, by adding one more chunk.
4291 * We cannot realloc jumptable, as there could be pointers
4292 * to existing jump table entries in the code, so instead
4293 * we just add one more chunk.
4295 guint32 max_entries = entries;
4296 MonoJumpTableChunk *new_chunk;
4298 if (max_entries < DEFAULT_JUMPTABLE_CHUNK_ELEMENTS)
4299 max_entries = DEFAULT_JUMPTABLE_CHUNK_ELEMENTS;
4300 new_chunk = mono_create_jumptable_chunk (max_entries);
4301 /* Link old jumptable, so that we could free it up later. */
4302 new_chunk->previous = g_jumptable;
4303 g_jumptable = new_chunk;
4306 g_jumptable->active = index + entries;
4307 result = (gpointer*)((guchar*)g_jumptable + sizeof(MonoJumpTableChunk)) + index;
4308 mono_jumptable_unlock();
4314 mono_jumptable_cleanup (void)
4317 MonoJumpTableChunk *current = g_jumptable, *prev;
4318 while (current != NULL) {
4319 prev = current->previous;
4324 mono_os_mutex_destroy (&jumptable_mutex);
4329 mono_jumptable_get_entry (guint8 *code_ptr)
4331 return mono_arch_jumptable_entry_from_code (code_ptr);