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/utils/mono-math.h>
51 #include <mono/utils/mono-compiler.h>
52 #include <mono/utils/mono-counters.h>
53 #include <mono/utils/mono-error-internals.h>
54 #include <mono/utils/mono-logger-internals.h>
55 #include <mono/utils/mono-mmap.h>
56 #include <mono/utils/mono-path.h>
57 #include <mono/utils/mono-tls.h>
58 #include <mono/utils/mono-hwcap.h>
59 #include <mono/utils/dtrace.h>
60 #include <mono/utils/mono-signal-handler.h>
61 #include <mono/utils/mono-threads.h>
62 #include <mono/utils/checked-build.h>
63 #include <mono/io-layer/io-layer.h>
66 #include "seq-points.h"
73 #include "jit-icalls.h"
76 #include "mini-llvm.h"
77 #include "debugger-agent.h"
79 #ifdef MONO_ARCH_LLVM_SUPPORTED
81 #include "mini-llvm-cpp.h"
85 static guint32 default_opt = 0;
86 static gboolean default_opt_set = FALSE;
88 MonoNativeTlsKey mono_jit_tls_id;
90 #ifdef MONO_HAVE_FAST_TLS
91 MONO_FAST_TLS_DECLARE(mono_jit_tls);
94 gboolean mono_compile_aot = FALSE;
95 /* If this is set, no code is generated dynamically, everything is taken from AOT files */
96 gboolean mono_aot_only = FALSE;
97 /* Same as mono_aot_only, but only LLVM compiled code is used, no trampolines */
98 gboolean mono_llvm_only = FALSE;
99 MonoAotMode mono_aot_mode = MONO_AOT_MODE_NONE;
101 const char *mono_build_date;
102 gboolean mono_do_signal_chaining;
103 gboolean mono_do_crash_chaining;
104 int mini_verbose = 0;
107 * This flag controls whenever the runtime uses LLVM for JIT compilation, and whenever
108 * it can load AOT code compiled by LLVM.
110 gboolean mono_use_llvm = FALSE;
112 #define mono_jit_lock() mono_os_mutex_lock (&jit_mutex)
113 #define mono_jit_unlock() mono_os_mutex_unlock (&jit_mutex)
114 static mono_mutex_t jit_mutex;
116 static MonoCodeManager *global_codeman;
118 MonoDebugOptions debug_options;
120 #ifdef VALGRIND_JIT_REGISTER_MAP
121 int valgrind_register;
124 static GSList *tramp_infos;
126 static void register_icalls (void);
129 mono_running_on_valgrind (void)
132 if (RUNNING_ON_VALGRIND){
133 #ifdef VALGRIND_JIT_REGISTER_MAP
134 valgrind_register = TRUE;
148 find_tramp (gpointer key, gpointer value, gpointer user_data)
150 FindTrampUserData *ud = (FindTrampUserData*)user_data;
153 ud->method = (MonoMethod*)key;
157 G_GNUC_UNUSED static char*
158 get_method_from_ip (void *ip)
163 MonoDomain *domain = mono_domain_get ();
164 MonoDebugSourceLocation *location;
165 FindTrampUserData user_data;
168 domain = mono_get_root_domain ();
170 ji = mono_jit_info_table_find_internal (domain, ip, TRUE, TRUE);
173 user_data.method = NULL;
174 mono_domain_lock (domain);
175 g_hash_table_foreach (domain_jit_info (domain)->jit_trampoline_hash, find_tramp, &user_data);
176 mono_domain_unlock (domain);
177 if (user_data.method) {
178 char *mname = mono_method_full_name (user_data.method, TRUE);
179 res = g_strdup_printf ("<%p - JIT trampoline for %s>", ip, mname);
185 } else if (ji->is_trampoline) {
186 res = g_strdup_printf ("<%p - %s trampoline>", ip, ((MonoTrampInfo*)ji->d.tramp_info)->name);
190 method = mono_method_full_name (jinfo_get_method (ji), TRUE);
191 /* FIXME: unused ? */
192 location = mono_debug_lookup_source_location (jinfo_get_method (ji), (guint32)((guint8*)ip - (guint8*)ji->code_start), domain);
194 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);
196 mono_debug_free_source_location (location);
204 * @ip: an instruction pointer address
206 * This method is used from a debugger to get the name of the
207 * method at address @ip. This routine is typically invoked from
208 * a debugger like this:
210 * (gdb) print mono_pmip ($pc)
212 * Returns: the name of the method at address @ip.
217 return get_method_from_ip (ip);
221 * mono_print_method_from_ip
222 * @ip: an instruction pointer address
224 * This method is used from a debugger to get the name of the
225 * method at address @ip.
227 * This prints the name of the method at address @ip in the standard
228 * output. Unlike mono_pmip which returns a string, this routine
229 * prints the value on the standard output.
232 /* Prevent the linker from optimizing this away in embedding setups to help debugging */
233 __attribute__((used))
236 mono_print_method_from_ip (void *ip)
240 MonoDebugSourceLocation *source;
241 MonoDomain *domain = mono_domain_get ();
242 MonoDomain *target_domain = mono_domain_get ();
243 FindTrampUserData user_data;
244 MonoGenericSharingContext*gsctx;
245 const char *shared_type;
247 ji = mini_jit_info_table_find_ext (domain, ip, TRUE, &target_domain);
248 if (ji && ji->is_trampoline) {
249 MonoTrampInfo *tinfo = ji->d.tramp_info;
251 printf ("IP %p is at offset 0x%x of trampoline '%s'.\n", ip, (int)((guint8*)ip - tinfo->code), tinfo->name);
257 user_data.method = NULL;
258 mono_domain_lock (domain);
259 g_hash_table_foreach (domain_jit_info (domain)->jit_trampoline_hash, find_tramp, &user_data);
260 mono_domain_unlock (domain);
262 if (user_data.method) {
263 char *mname = mono_method_full_name (user_data.method, TRUE);
264 printf ("IP %p is a JIT trampoline for %s\n", ip, mname);
269 g_print ("No method at %p\n", ip);
273 method = mono_method_full_name (jinfo_get_method (ji), TRUE);
274 source = mono_debug_lookup_source_location (jinfo_get_method (ji), (guint32)((guint8*)ip - (guint8*)ji->code_start), target_domain);
276 gsctx = mono_jit_info_get_generic_sharing_context (ji);
279 if (gsctx->is_gsharedvt)
280 shared_type = "gsharedvt ";
282 shared_type = "gshared ";
285 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);
288 g_print ("%s:%d\n", source->source_file, source->row);
291 mono_debug_free_source_location (source);
296 * mono_method_same_domain:
298 * Determine whenever two compiled methods are in the same domain, thus
299 * the address of the callee can be embedded in the caller.
301 gboolean mono_method_same_domain (MonoJitInfo *caller, MonoJitInfo *callee)
305 if (!caller || caller->is_trampoline || !callee || callee->is_trampoline)
309 * If the call was made from domain-neutral to domain-specific
310 * code, we can't patch the call site.
312 if (caller->domain_neutral && !callee->domain_neutral)
315 cmethod = jinfo_get_method (caller);
316 if ((cmethod->klass == mono_defaults.appdomain_class) &&
317 (strstr (cmethod->name, "InvokeInDomain"))) {
318 /* The InvokeInDomain methods change the current appdomain */
326 * mono_global_codeman_reserve:
328 * Allocate code memory from the global code manager.
330 void *mono_global_codeman_reserve (int size)
335 g_error ("Attempting to allocate from the global code manager while running with --aot-only.\n");
337 if (!global_codeman) {
338 /* This can happen during startup */
339 global_codeman = mono_code_manager_new ();
340 return mono_code_manager_reserve (global_codeman, size);
344 ptr = mono_code_manager_reserve (global_codeman, size);
350 #if defined(__native_client_codegen__) && defined(__native_client__)
354 #ifdef __native_client_gc__
355 __nacl_suspend_thread_if_needed();
359 /* Given the temporary buffer (allocated by mono_global_codeman_reserve) into
360 * which we are generating code, return a pointer to the destination in the
361 * dynamic code segment into which the code will be copied when
362 * mono_global_codeman_commit is called.
363 * LOCKING: Acquires the jit lock.
366 nacl_global_codeman_get_dest (void *data)
370 dest = nacl_code_manager_get_code_dest (global_codeman, data);
376 mono_global_codeman_commit (void *data, int size, int newsize)
379 mono_code_manager_commit (global_codeman, data, size, newsize);
384 * Convenience function which calls mono_global_codeman_commit to validate and
385 * copy the code. The caller sets *buf_base and *buf_size to the start and size
386 * of the buffer (allocated by mono_global_codeman_reserve), and *code_end to
387 * the byte after the last instruction byte. On return, *buf_base will point to
388 * the start of the copied in the code segment, and *code_end will point after
389 * the end of the copied code.
392 nacl_global_codeman_validate (guint8 **buf_base, int buf_size, guint8 **code_end)
394 guint8 *tmp = nacl_global_codeman_get_dest (*buf_base);
395 mono_global_codeman_commit (*buf_base, buf_size, *code_end - *buf_base);
396 *code_end = tmp + (*code_end - *buf_base);
400 /* no-op versions of Native Client functions */
402 nacl_global_codeman_get_dest (void *data)
408 mono_global_codeman_commit (void *data, int size, int newsize)
413 nacl_global_codeman_validate (guint8 **buf_base, int buf_size, guint8 **code_end)
417 #endif /* __native_client__ */
420 * mono_create_unwind_op:
422 * Create an unwind op with the given parameters.
425 mono_create_unwind_op (int when, int tag, int reg, int val)
427 MonoUnwindOp *op = g_new0 (MonoUnwindOp, 1);
438 mono_jump_info_token_new2 (MonoMemPool *mp, MonoImage *image, guint32 token, MonoGenericContext *context)
440 MonoJumpInfoToken *res = mono_mempool_alloc0 (mp, sizeof (MonoJumpInfoToken));
443 res->has_context = context != NULL;
445 memcpy (&res->context, context, sizeof (MonoGenericContext));
451 mono_jump_info_token_new (MonoMemPool *mp, MonoImage *image, guint32 token)
453 return mono_jump_info_token_new2 (mp, image, token, NULL);
457 * mono_tramp_info_create:
459 * Create a MonoTrampInfo structure from the arguments. This function assumes ownership
460 * of JI, and UNWIND_OPS.
463 mono_tramp_info_create (const char *name, guint8 *code, guint32 code_size, MonoJumpInfo *ji, GSList *unwind_ops)
465 MonoTrampInfo *info = g_new0 (MonoTrampInfo, 1);
467 info->name = g_strdup ((char*)name);
469 info->code_size = code_size;
471 info->unwind_ops = unwind_ops;
477 mono_tramp_info_free (MonoTrampInfo *info)
482 mono_free_unwind_info (info->unwind_ops);
487 register_trampoline_jit_info (MonoDomain *domain, MonoTrampInfo *info)
491 ji = mono_domain_alloc0 (domain, mono_jit_info_size (0, 0, 0));
492 mono_jit_info_init (ji, NULL, info->code, info->code_size, 0, 0, 0);
493 ji->d.tramp_info = info;
494 ji->is_trampoline = TRUE;
496 ji->unwind_info = mono_cache_unwind_info (info->uw_info, info->uw_info_len);
498 mono_jit_info_table_add (domain, ji);
502 * mono_tramp_info_register:
504 * Remember INFO for use by xdebug, mono_print_method_from_ip (), jit maps, etc.
509 mono_tramp_info_register (MonoTrampInfo *info, MonoDomain *domain)
517 domain = mono_get_root_domain ();
519 copy = g_new0 (MonoTrampInfo, 1);
520 copy->code = info->code;
521 copy->code_size = info->code_size;
522 copy->name = g_strdup (info->name);
524 if (info->unwind_ops) {
525 copy->uw_info = mono_unwind_ops_encode (info->unwind_ops, ©->uw_info_len);
527 /* Trampolines from aot have the unwind ops already encoded */
528 copy->uw_info = info->uw_info;
529 copy->uw_info_len = info->uw_info_len;
533 tramp_infos = g_slist_prepend (tramp_infos, copy);
536 mono_save_trampoline_xdebug_info (info);
538 /* Only register trampolines that have unwind infos */
539 if (mono_get_root_domain () && copy->uw_info)
540 register_trampoline_jit_info (domain, copy);
542 if (mono_jit_map_is_enabled ())
543 mono_emit_jit_tramp (info->code, info->code_size, info->name);
545 mono_tramp_info_free (info);
549 mono_tramp_info_cleanup (void)
553 for (l = tramp_infos; l; l = l->next) {
554 MonoTrampInfo *info = l->data;
556 mono_tramp_info_free (info);
558 g_slist_free (tramp_infos);
561 /* Register trampolines created before the root domain was created in the jit info tables */
563 register_trampolines (MonoDomain *domain)
567 for (l = tramp_infos; l; l = l->next) {
568 MonoTrampInfo *info = l->data;
570 register_trampoline_jit_info (domain, info);
574 G_GNUC_UNUSED static void
580 * Runtime debugging tool, use if (debug_count ()) <x> else <y> to do <x> the first COUNT times, then do <y> afterwards.
581 * Set a breakpoint in break_count () to break the last time <x> is done.
583 G_GNUC_UNUSED gboolean
584 mono_debug_count (void)
586 static int count = 0;
587 static gboolean inited;
588 static const char *value;
593 value = g_getenv ("COUNT");
600 if (count == atoi (value))
603 if (count > atoi (value))
610 mono_icall_get_wrapper_full (MonoJitICallInfo* callinfo, gboolean do_compile)
614 gconstpointer trampoline;
615 MonoDomain *domain = mono_get_root_domain ();
616 gboolean check_exc = TRUE;
618 if (callinfo->wrapper)
619 return callinfo->wrapper;
621 if (callinfo->trampoline)
622 return callinfo->trampoline;
624 if (!strcmp (callinfo->name, "mono_thread_interruption_checkpoint"))
625 /* This icall is used to check for exceptions, so don't check in the wrapper */
628 name = g_strdup_printf ("__icall_wrapper_%s", callinfo->name);
629 wrapper = mono_marshal_get_icall_wrapper (callinfo->sig, name, callinfo->func, check_exc);
633 trampoline = mono_compile_method (wrapper);
635 trampoline = mono_create_ftnptr (domain, mono_create_jit_trampoline_in_domain (domain, wrapper));
638 if (!callinfo->trampoline) {
639 mono_register_jit_icall_wrapper (callinfo, trampoline);
640 callinfo->trampoline = trampoline;
642 mono_loader_unlock ();
644 return callinfo->trampoline;
648 mono_icall_get_wrapper (MonoJitICallInfo* callinfo)
650 return mono_icall_get_wrapper_full (callinfo, FALSE);
653 static MonoJitDynamicMethodInfo*
654 mono_dynamic_code_hash_lookup (MonoDomain *domain, MonoMethod *method)
656 MonoJitDynamicMethodInfo *res;
658 if (domain_jit_info (domain)->dynamic_code_hash)
659 res = g_hash_table_lookup (domain_jit_info (domain)->dynamic_code_hash, method);
666 register_opcode_emulation (int opcode, const char *name, const char *sigstr, gpointer func, const char *symbol, gboolean no_throw)
669 mini_register_opcode_emulation (opcode, name, sigstr, func, symbol, no_throw);
671 MonoMethodSignature *sig = mono_create_icall_signature (sigstr);
673 g_assert (!sig->hasthis);
674 g_assert (sig->param_count < 3);
676 /* Opcode emulation functions are assumed to don't call mono_raise_exception () */
677 mono_register_jit_icall_full (func, name, sig, no_throw, TRUE, symbol);
682 * For JIT icalls implemented in C.
683 * NAME should be the same as the name of the C function whose address is FUNC.
684 * If @avoid_wrapper is TRUE, no wrapper is generated. This is for perf critical icalls which
685 * can't throw exceptions.
688 register_icall (gpointer func, const char *name, const char *sigstr, gboolean avoid_wrapper)
690 MonoMethodSignature *sig;
693 sig = mono_create_icall_signature (sigstr);
697 mono_register_jit_icall_full (func, name, sig, avoid_wrapper, FALSE, avoid_wrapper ? name : NULL);
701 register_icall_no_wrapper (gpointer func, const char *name, const char *sigstr)
703 MonoMethodSignature *sig;
706 sig = mono_create_icall_signature (sigstr);
710 mono_register_jit_icall_full (func, name, sig, TRUE, FALSE, name);
714 register_dyn_icall (gpointer func, const char *name, const char *sigstr, gboolean save)
716 MonoMethodSignature *sig;
719 sig = mono_create_icall_signature (sigstr);
723 mono_register_jit_icall (func, name, sig, save);
726 #ifdef MONO_HAVE_FAST_TLS
727 MONO_FAST_TLS_DECLARE(mono_lmf_addr);
728 #ifdef MONO_ARCH_ENABLE_MONO_LMF_VAR
730 * When this is defined, the current lmf is stored in this tls variable instead of in
733 MONO_FAST_TLS_DECLARE(mono_lmf);
738 mono_get_jit_tls_offset (void)
744 offset = mono_jit_tls_id;
746 /* FIXME: Happens during startup */
749 MONO_THREAD_VAR_OFFSET (mono_jit_tls, offset);
755 mono_get_lmf_tls_offset (void)
757 #if defined(MONO_ARCH_ENABLE_MONO_LMF_VAR)
759 MONO_THREAD_VAR_OFFSET(mono_lmf,offset);
767 mono_get_lmf_addr_tls_offset (void)
770 MONO_THREAD_VAR_OFFSET(mono_lmf_addr,offset);
777 #if defined(MONO_HAVE_FAST_TLS) && defined(MONO_ARCH_ENABLE_MONO_LMF_VAR)
778 return MONO_FAST_TLS_GET (mono_lmf);
780 MonoJitTlsData *jit_tls;
782 if ((jit_tls = mono_native_tls_get_value (mono_jit_tls_id)))
785 * We do not assert here because this function can be called from
786 * mini-gc.c on a thread that has not executed any managed code, yet
787 * (the thread object allocation can trigger a collection).
794 mono_get_lmf_addr (void)
796 #ifdef MONO_HAVE_FAST_TLS
797 return MONO_FAST_TLS_GET (mono_lmf_addr);
799 MonoJitTlsData *jit_tls;
801 jit_tls = mono_native_tls_get_value (mono_jit_tls_id);
802 if (G_LIKELY (jit_tls))
803 return &jit_tls->lmf;
806 * When resolving the call to mono_jit_thread_attach full-aot will look
807 * in the plt, which causes a call into the generic trampoline, which in turn
808 * tries to resolve the lmf_addr creating a cyclic dependency. We cannot
809 * call mono_jit_thread_attach from the native-to-managed wrapper, without
810 * mono_get_lmf_addr, and mono_get_lmf_addr requires the thread to be attached.
813 mono_jit_thread_attach (NULL);
815 if ((jit_tls = mono_native_tls_get_value (mono_jit_tls_id)))
816 return &jit_tls->lmf;
818 g_assert_not_reached ();
824 mono_set_lmf (MonoLMF *lmf)
826 #if defined(MONO_HAVE_FAST_TLS) && defined(MONO_ARCH_ENABLE_MONO_LMF_VAR)
827 MONO_FAST_TLS_SET (mono_lmf, lmf);
830 (*mono_get_lmf_addr ()) = lmf;
834 mono_get_jit_tls (void)
836 return mono_native_tls_get_value (mono_jit_tls_id);
840 mono_set_jit_tls (MonoJitTlsData *jit_tls)
842 MonoThreadInfo *info;
844 mono_native_tls_set_value (mono_jit_tls_id, jit_tls);
846 #ifdef MONO_HAVE_FAST_TLS
847 MONO_FAST_TLS_SET (mono_jit_tls, jit_tls);
850 /* Save it into MonoThreadInfo so it can be accessed by mono_thread_state_init_from_handle () */
851 info = mono_thread_info_current ();
853 mono_thread_info_tls_set (info, TLS_KEY_JIT_TLS, jit_tls);
857 mono_set_lmf_addr (gpointer lmf_addr)
859 MonoThreadInfo *info;
861 #ifdef MONO_HAVE_FAST_TLS
862 MONO_FAST_TLS_SET (mono_lmf_addr, lmf_addr);
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_LMF_ADDR, lmf_addr);
872 * mono_jit_thread_attach:
874 * Called by native->managed wrappers. Returns the original domain which needs to be
878 mono_jit_thread_attach (MonoDomain *domain)
884 * Happens when called from AOTed code which is only used in the root
887 domain = mono_get_root_domain ();
889 #ifdef MONO_HAVE_FAST_TLS
890 if (!MONO_FAST_TLS_GET (mono_lmf_addr)) {
891 mono_thread_attach (domain);
893 mono_thread_set_state (mono_thread_internal_current (), ThreadState_Background);
896 if (!mono_native_tls_get_value (mono_jit_tls_id)) {
897 mono_thread_attach (domain);
898 mono_thread_set_state (mono_thread_internal_current (), ThreadState_Background);
901 orig = mono_domain_get ();
903 mono_domain_set (domain, TRUE);
905 return orig != domain ? orig : NULL;
908 /* Called by native->managed wrappers */
910 mono_jit_set_domain (MonoDomain *domain)
913 mono_domain_set (domain, TRUE);
918 * @obj: exception object
920 * abort the thread, print exception information and stack trace
923 mono_thread_abort (MonoObject *obj)
925 /* MonoJitTlsData *jit_tls = mono_native_tls_get_value (mono_jit_tls_id); */
927 /* handle_remove should be eventually called for this thread, too
930 if ((mono_runtime_unhandled_exception_policy_get () == MONO_UNHANDLED_POLICY_LEGACY) ||
931 (obj->vtable->klass == mono_defaults.threadabortexception_class)) {
934 mono_invoke_unhandled_exception_hook (obj);
939 setup_jit_tls_data (gpointer stack_start, gpointer abort_func)
941 MonoJitTlsData *jit_tls;
944 jit_tls = mono_native_tls_get_value (mono_jit_tls_id);
948 jit_tls = g_new0 (MonoJitTlsData, 1);
950 jit_tls->abort_func = abort_func;
951 jit_tls->end_of_stack = stack_start;
953 mono_set_jit_tls (jit_tls);
955 lmf = g_new0 (MonoLMF, 1);
956 MONO_ARCH_INIT_TOP_LMF_ENTRY (lmf);
958 jit_tls->first_lmf = lmf;
960 #if defined(MONO_HAVE_FAST_TLS) && defined(MONO_ARCH_ENABLE_MONO_LMF_VAR)
961 /* jit_tls->lmf is unused */
962 MONO_FAST_TLS_SET (mono_lmf, lmf);
963 mono_set_lmf_addr (MONO_FAST_TLS_ADDR (mono_lmf));
965 mono_set_lmf_addr (&jit_tls->lmf);
970 #ifdef MONO_ARCH_HAVE_TLS_INIT
971 mono_arch_tls_init ();
974 mono_setup_altstack (jit_tls);
980 free_jit_tls_data (MonoJitTlsData *jit_tls)
982 mono_arch_free_jit_tls_data (jit_tls);
983 mono_free_altstack (jit_tls);
985 g_free (jit_tls->first_lmf);
990 mono_thread_start_cb (intptr_t tid, gpointer stack_start, gpointer func)
992 MonoThreadInfo *thread;
993 void *jit_tls = setup_jit_tls_data (stack_start, mono_thread_abort);
994 thread = mono_thread_info_current_unchecked ();
996 thread->jit_data = jit_tls;
998 mono_arch_cpu_init ();
1001 void (*mono_thread_attach_aborted_cb ) (MonoObject *obj) = NULL;
1004 mono_thread_abort_dummy (MonoObject *obj)
1006 if (mono_thread_attach_aborted_cb)
1007 mono_thread_attach_aborted_cb (obj);
1009 mono_thread_abort (obj);
1013 mono_thread_attach_cb (intptr_t tid, gpointer stack_start)
1015 MonoThreadInfo *thread;
1016 void *jit_tls = setup_jit_tls_data (stack_start, mono_thread_abort_dummy);
1017 thread = mono_thread_info_current_unchecked ();
1019 thread->jit_data = jit_tls;
1020 if (mono_profiler_get_events () & MONO_PROFILE_STATISTICAL)
1021 mono_runtime_setup_stat_profiler ();
1023 mono_arch_cpu_init ();
1027 mini_thread_cleanup (MonoNativeThreadId tid)
1029 MonoJitTlsData *jit_tls = NULL;
1030 MonoThreadInfo *info;
1032 info = mono_thread_info_current_unchecked ();
1034 /* We can't clean up tls information if we are on another thread, it will clean up the wrong stuff
1035 * It would be nice to issue a warning when this happens outside of the shutdown sequence. but it's
1036 * not a trivial thing.
1038 * The current offender is mono_thread_manage which cleanup threads from the outside.
1040 if (info && mono_thread_info_get_tid (info) == tid) {
1041 jit_tls = info->jit_data;
1042 info->jit_data = NULL;
1044 mono_set_jit_tls (NULL);
1046 /* If we attach a thread but never call into managed land, we might never get an lmf.*/
1047 if (mono_get_lmf ()) {
1048 mono_set_lmf (NULL);
1049 mono_set_lmf_addr (NULL);
1052 info = mono_thread_info_lookup (tid);
1054 jit_tls = info->jit_data;
1055 info->jit_data = NULL;
1057 mono_hazard_pointer_clear (mono_hazard_pointer_get (), 1);
1061 free_jit_tls_data (jit_tls);
1065 mini_get_tls_offset (MonoTlsKey key)
1068 g_assert (MONO_ARCH_HAVE_TLS_GET);
1071 case TLS_KEY_THREAD:
1072 offset = mono_thread_get_tls_offset ();
1074 case TLS_KEY_JIT_TLS:
1075 offset = mono_get_jit_tls_offset ();
1077 case TLS_KEY_DOMAIN:
1078 offset = mono_domain_get_tls_offset ();
1081 offset = mono_get_lmf_tls_offset ();
1083 case TLS_KEY_LMF_ADDR:
1084 offset = mono_get_lmf_addr_tls_offset ();
1087 offset = mono_tls_key_get_offset (key);
1088 g_assert (offset != -1);
1096 mini_tls_key_supported (MonoTlsKey key)
1098 if (!MONO_ARCH_HAVE_TLS_GET)
1101 return mini_get_tls_offset (key) != -1;
1105 mono_patch_info_list_prepend (MonoJumpInfo *list, int ip, MonoJumpInfoType type, gconstpointer target)
1107 MonoJumpInfo *ji = g_new0 (MonoJumpInfo, 1);
1111 ji->data.target = target;
1118 * mono_patch_info_dup_mp:
1120 * Make a copy of PATCH_INFO, allocating memory from the mempool MP.
1123 mono_patch_info_dup_mp (MonoMemPool *mp, MonoJumpInfo *patch_info)
1125 MonoJumpInfo *res = mono_mempool_alloc (mp, sizeof (MonoJumpInfo));
1126 memcpy (res, patch_info, sizeof (MonoJumpInfo));
1128 switch (patch_info->type) {
1129 case MONO_PATCH_INFO_RVA:
1130 case MONO_PATCH_INFO_LDSTR:
1131 case MONO_PATCH_INFO_TYPE_FROM_HANDLE:
1132 case MONO_PATCH_INFO_LDTOKEN:
1133 case MONO_PATCH_INFO_DECLSEC:
1134 res->data.token = mono_mempool_alloc (mp, sizeof (MonoJumpInfoToken));
1135 memcpy (res->data.token, patch_info->data.token, sizeof (MonoJumpInfoToken));
1137 case MONO_PATCH_INFO_SWITCH:
1138 res->data.table = mono_mempool_alloc (mp, sizeof (MonoJumpInfoBBTable));
1139 memcpy (res->data.table, patch_info->data.table, sizeof (MonoJumpInfoBBTable));
1140 res->data.table->table = mono_mempool_alloc (mp, sizeof (MonoBasicBlock*) * patch_info->data.table->table_size);
1141 memcpy (res->data.table->table, patch_info->data.table->table, sizeof (MonoBasicBlock*) * patch_info->data.table->table_size);
1143 case MONO_PATCH_INFO_RGCTX_FETCH:
1144 case MONO_PATCH_INFO_RGCTX_SLOT_INDEX:
1145 res->data.rgctx_entry = mono_mempool_alloc (mp, sizeof (MonoJumpInfoRgctxEntry));
1146 memcpy (res->data.rgctx_entry, patch_info->data.rgctx_entry, sizeof (MonoJumpInfoRgctxEntry));
1147 res->data.rgctx_entry->data = mono_patch_info_dup_mp (mp, res->data.rgctx_entry->data);
1149 case MONO_PATCH_INFO_DELEGATE_TRAMPOLINE:
1150 res->data.del_tramp = mono_mempool_alloc0 (mp, sizeof (MonoDelegateClassMethodPair));
1151 memcpy (res->data.del_tramp, patch_info->data.del_tramp, sizeof (MonoDelegateClassMethodPair));
1153 case MONO_PATCH_INFO_GSHAREDVT_CALL:
1154 res->data.gsharedvt = mono_mempool_alloc (mp, sizeof (MonoJumpInfoGSharedVtCall));
1155 memcpy (res->data.gsharedvt, patch_info->data.gsharedvt, sizeof (MonoJumpInfoGSharedVtCall));
1157 case MONO_PATCH_INFO_GSHAREDVT_METHOD: {
1158 MonoGSharedVtMethodInfo *info;
1159 MonoGSharedVtMethodInfo *oinfo;
1162 oinfo = patch_info->data.gsharedvt_method;
1163 info = mono_mempool_alloc (mp, sizeof (MonoGSharedVtMethodInfo));
1164 res->data.gsharedvt_method = info;
1165 memcpy (info, oinfo, sizeof (MonoGSharedVtMethodInfo));
1166 info->entries = mono_mempool_alloc (mp, sizeof (MonoRuntimeGenericContextInfoTemplate) * info->count_entries);
1167 for (i = 0; i < oinfo->num_entries; ++i) {
1168 MonoRuntimeGenericContextInfoTemplate *otemplate = &oinfo->entries [i];
1169 MonoRuntimeGenericContextInfoTemplate *template = &info->entries [i];
1171 memcpy (template, otemplate, sizeof (MonoRuntimeGenericContextInfoTemplate));
1173 //info->locals_types = mono_mempool_alloc0 (mp, info->nlocals * sizeof (MonoType*));
1174 //memcpy (info->locals_types, oinfo->locals_types, info->nlocals * sizeof (MonoType*));
1177 case MONO_PATCH_INFO_VIRT_METHOD: {
1178 MonoJumpInfoVirtMethod *info;
1179 MonoJumpInfoVirtMethod *oinfo;
1181 oinfo = patch_info->data.virt_method;
1182 info = mono_mempool_alloc0 (mp, sizeof (MonoJumpInfoVirtMethod));
1183 res->data.virt_method = info;
1184 memcpy (info, oinfo, sizeof (MonoJumpInfoVirtMethod));
1195 mono_patch_info_hash (gconstpointer data)
1197 const MonoJumpInfo *ji = (MonoJumpInfo*)data;
1200 case MONO_PATCH_INFO_RVA:
1201 case MONO_PATCH_INFO_LDSTR:
1202 case MONO_PATCH_INFO_LDTOKEN:
1203 case MONO_PATCH_INFO_DECLSEC:
1204 return (ji->type << 8) | ji->data.token->token;
1205 case MONO_PATCH_INFO_TYPE_FROM_HANDLE:
1206 return (ji->type << 8) | ji->data.token->token | (ji->data.token->has_context ? (gsize)ji->data.token->context.class_inst : 0);
1207 case MONO_PATCH_INFO_INTERNAL_METHOD:
1208 return (ji->type << 8) | g_str_hash (ji->data.name);
1209 case MONO_PATCH_INFO_VTABLE:
1210 case MONO_PATCH_INFO_CLASS:
1211 case MONO_PATCH_INFO_IID:
1212 case MONO_PATCH_INFO_ADJUSTED_IID:
1213 case MONO_PATCH_INFO_METHODCONST:
1214 case MONO_PATCH_INFO_METHOD:
1215 case MONO_PATCH_INFO_METHOD_JUMP:
1216 case MONO_PATCH_INFO_IMAGE:
1217 case MONO_PATCH_INFO_ICALL_ADDR:
1218 case MONO_PATCH_INFO_FIELD:
1219 case MONO_PATCH_INFO_SFLDA:
1220 case MONO_PATCH_INFO_SEQ_POINT_INFO:
1221 case MONO_PATCH_INFO_METHOD_RGCTX:
1222 case MONO_PATCH_INFO_SIGNATURE:
1223 case MONO_PATCH_INFO_TLS_OFFSET:
1224 case MONO_PATCH_INFO_METHOD_CODE_SLOT:
1225 case MONO_PATCH_INFO_AOT_JIT_INFO:
1226 return (ji->type << 8) | (gssize)ji->data.target;
1227 case MONO_PATCH_INFO_GSHAREDVT_CALL:
1228 return (ji->type << 8) | (gssize)ji->data.gsharedvt->method;
1229 case MONO_PATCH_INFO_RGCTX_FETCH:
1230 case MONO_PATCH_INFO_RGCTX_SLOT_INDEX: {
1231 MonoJumpInfoRgctxEntry *e = ji->data.rgctx_entry;
1233 return (ji->type << 8) | (gssize)e->method | (e->in_mrgctx) | e->info_type | mono_patch_info_hash (e->data);
1235 case MONO_PATCH_INFO_INTERRUPTION_REQUEST_FLAG:
1236 case MONO_PATCH_INFO_MSCORLIB_GOT_ADDR:
1237 case MONO_PATCH_INFO_GC_CARD_TABLE_ADDR:
1238 case MONO_PATCH_INFO_GC_NURSERY_START:
1239 case MONO_PATCH_INFO_GC_NURSERY_BITS:
1240 case MONO_PATCH_INFO_JIT_TLS_ID:
1241 case MONO_PATCH_INFO_GOT_OFFSET:
1242 case MONO_PATCH_INFO_GC_SAFE_POINT_FLAG:
1243 case MONO_PATCH_INFO_AOT_MODULE:
1244 return (ji->type << 8);
1245 case MONO_PATCH_INFO_CASTCLASS_CACHE:
1246 return (ji->type << 8) | (ji->data.index);
1247 case MONO_PATCH_INFO_SWITCH:
1248 return (ji->type << 8) | ji->data.table->table_size;
1249 case MONO_PATCH_INFO_GSHAREDVT_METHOD:
1250 return (ji->type << 8) | (gssize)ji->data.gsharedvt_method->method;
1251 case MONO_PATCH_INFO_OBJC_SELECTOR_REF:
1252 /* Hash on the selector name */
1253 return g_str_hash (ji->data.target);
1254 case MONO_PATCH_INFO_DELEGATE_TRAMPOLINE:
1255 return (ji->type << 8) | (gsize)ji->data.del_tramp->klass | (gsize)ji->data.del_tramp->method | (gsize)ji->data.del_tramp->is_virtual;
1256 case MONO_PATCH_INFO_LDSTR_LIT:
1257 return g_str_hash (ji->data.target);
1258 case MONO_PATCH_INFO_VIRT_METHOD: {
1259 MonoJumpInfoVirtMethod *info = ji->data.virt_method;
1261 return (ji->type << 8) | (gssize)info->klass | (gssize)info->method;
1263 case MONO_PATCH_INFO_JIT_ICALL_ADDR:
1264 return (ji->type << 8) | g_str_hash (ji->data.target);
1266 printf ("info type: %d\n", ji->type);
1267 mono_print_ji (ji); printf ("\n");
1268 g_assert_not_reached ();
1274 * mono_patch_info_equal:
1276 * This might fail to recognize equivalent patches, i.e. floats, so its only
1277 * usable in those cases where this is not a problem, i.e. sharing GOT slots
1281 mono_patch_info_equal (gconstpointer ka, gconstpointer kb)
1283 const MonoJumpInfo *ji1 = (MonoJumpInfo*)ka;
1284 const MonoJumpInfo *ji2 = (MonoJumpInfo*)kb;
1286 if (ji1->type != ji2->type)
1289 switch (ji1->type) {
1290 case MONO_PATCH_INFO_RVA:
1291 case MONO_PATCH_INFO_LDSTR:
1292 case MONO_PATCH_INFO_TYPE_FROM_HANDLE:
1293 case MONO_PATCH_INFO_LDTOKEN:
1294 case MONO_PATCH_INFO_DECLSEC:
1295 if ((ji1->data.token->image != ji2->data.token->image) ||
1296 (ji1->data.token->token != ji2->data.token->token) ||
1297 (ji1->data.token->has_context != ji2->data.token->has_context) ||
1298 (ji1->data.token->context.class_inst != ji2->data.token->context.class_inst) ||
1299 (ji1->data.token->context.method_inst != ji2->data.token->context.method_inst))
1302 case MONO_PATCH_INFO_INTERNAL_METHOD:
1303 return g_str_equal (ji1->data.name, ji2->data.name);
1304 case MONO_PATCH_INFO_RGCTX_FETCH:
1305 case MONO_PATCH_INFO_RGCTX_SLOT_INDEX: {
1306 MonoJumpInfoRgctxEntry *e1 = ji1->data.rgctx_entry;
1307 MonoJumpInfoRgctxEntry *e2 = ji2->data.rgctx_entry;
1309 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);
1311 case MONO_PATCH_INFO_GSHAREDVT_CALL: {
1312 MonoJumpInfoGSharedVtCall *c1 = ji1->data.gsharedvt;
1313 MonoJumpInfoGSharedVtCall *c2 = ji2->data.gsharedvt;
1315 return c1->sig == c2->sig && c1->method == c2->method;
1317 case MONO_PATCH_INFO_GSHAREDVT_METHOD:
1318 return ji1->data.gsharedvt_method->method == ji2->data.gsharedvt_method->method;
1319 case MONO_PATCH_INFO_DELEGATE_TRAMPOLINE:
1320 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;
1321 case MONO_PATCH_INFO_CASTCLASS_CACHE:
1322 return ji1->data.index == ji2->data.index;
1323 case MONO_PATCH_INFO_VIRT_METHOD:
1324 return ji1->data.virt_method->klass == ji2->data.virt_method->klass && ji1->data.virt_method->method == ji2->data.virt_method->method;
1325 case MONO_PATCH_INFO_JIT_ICALL_ADDR:
1326 if (ji1->data.target == ji2->data.target)
1328 return strcmp (ji1->data.target, ji2->data.target) == 0 ? 1 : 0;
1330 if (ji1->data.target != ji2->data.target)
1339 mono_resolve_patch_target (MonoMethod *method, MonoDomain *domain, guint8 *code, MonoJumpInfo *patch_info, gboolean run_cctors)
1341 unsigned char *ip = patch_info->ip.i + code;
1342 gconstpointer target = NULL;
1344 switch (patch_info->type) {
1345 case MONO_PATCH_INFO_BB:
1347 * FIXME: This could be hit for methods without a prolog. Should use -1
1348 * but too much code depends on a 0 initial value.
1350 //g_assert (patch_info->data.bb->native_offset);
1351 target = patch_info->data.bb->native_offset + code;
1353 case MONO_PATCH_INFO_ABS:
1354 target = patch_info->data.target;
1356 case MONO_PATCH_INFO_LABEL:
1357 target = patch_info->data.inst->inst_c0 + code;
1359 case MONO_PATCH_INFO_IP:
1360 #if defined(__native_client__) && defined(__native_client_codegen__)
1361 /* Need to transform to the destination address, it's */
1362 /* emitted as an immediate in the code. */
1363 target = nacl_inverse_modify_patch_target(ip);
1368 case MONO_PATCH_INFO_METHOD_REL:
1369 target = code + patch_info->data.offset;
1371 case MONO_PATCH_INFO_INTERNAL_METHOD: {
1372 MonoJitICallInfo *mi = mono_find_jit_icall_by_name (patch_info->data.name);
1374 g_warning ("unknown MONO_PATCH_INFO_INTERNAL_METHOD %s", patch_info->data.name);
1375 g_assert_not_reached ();
1377 target = mono_icall_get_wrapper (mi);
1380 case MONO_PATCH_INFO_JIT_ICALL_ADDR: {
1381 MonoJitICallInfo *mi = mono_find_jit_icall_by_name (patch_info->data.name);
1383 g_warning ("unknown MONO_PATCH_INFO_JIT_ICALL_ADDR %s", patch_info->data.name);
1384 g_assert_not_reached ();
1389 case MONO_PATCH_INFO_METHOD_JUMP:
1390 target = mono_create_jump_trampoline (domain, patch_info->data.method, FALSE);
1391 #if defined(__native_client__) && defined(__native_client_codegen__)
1392 # if defined(TARGET_AMD64)
1393 /* This target is an absolute address, not relative to the */
1394 /* current code being emitted on AMD64. */
1395 target = nacl_inverse_modify_patch_target(target);
1399 case MONO_PATCH_INFO_METHOD:
1400 #if defined(__native_client_codegen__) && defined(USE_JUMP_TABLES)
1402 * If we use jumptables, for recursive calls we cannot
1403 * avoid trampoline, as we not yet know where we will
1406 target = mono_create_jit_trampoline_in_domain (domain, patch_info->data.method);
1408 if (patch_info->data.method == method) {
1411 /* get the trampoline to the method from the domain */
1412 target = mono_create_jit_trampoline_in_domain (domain, patch_info->data.method);
1416 case MONO_PATCH_INFO_METHOD_CODE_SLOT: {
1419 mono_domain_lock (domain);
1420 if (!domain_jit_info (domain)->method_code_hash)
1421 domain_jit_info (domain)->method_code_hash = g_hash_table_new (NULL, NULL);
1422 code_slot = g_hash_table_lookup (domain_jit_info (domain)->method_code_hash, patch_info->data.method);
1424 code_slot = mono_domain_alloc0 (domain, sizeof (gpointer));
1425 g_hash_table_insert (domain_jit_info (domain)->method_code_hash, patch_info->data.method, code_slot);
1427 mono_domain_unlock (domain);
1431 case MONO_PATCH_INFO_GC_SAFE_POINT_FLAG:
1432 #if defined(__native_client_codegen__)
1433 target = (gpointer)&__nacl_thread_suspension_needed;
1435 g_assert (mono_threads_is_coop_enabled ());
1436 target = (gpointer)&mono_polling_required;
1439 case MONO_PATCH_INFO_SWITCH: {
1440 gpointer *jump_table;
1442 #if defined(__native_client__) && defined(__native_client_codegen__)
1443 /* This memory will leak, but we don't care if we're */
1444 /* not deleting JIT'd methods anyway */
1445 jump_table = g_malloc0 (sizeof(gpointer) * patch_info->data.table->table_size);
1447 if (method && method->dynamic) {
1448 jump_table = mono_code_manager_reserve (mono_dynamic_code_hash_lookup (domain, method)->code_mp, sizeof (gpointer) * patch_info->data.table->table_size);
1450 if (mono_aot_only) {
1451 jump_table = mono_domain_alloc (domain, sizeof (gpointer) * patch_info->data.table->table_size);
1453 jump_table = mono_domain_code_reserve (domain, sizeof (gpointer) * patch_info->data.table->table_size);
1458 for (i = 0; i < patch_info->data.table->table_size; i++) {
1459 #if defined(__native_client__) && defined(__native_client_codegen__)
1460 /* 'code' is relative to the current code blob, we */
1461 /* need to do this transform on it to make the */
1462 /* pointers in this table absolute */
1463 jump_table [i] = nacl_inverse_modify_patch_target (code) + GPOINTER_TO_INT (patch_info->data.table->table [i]);
1465 jump_table [i] = code + GPOINTER_TO_INT (patch_info->data.table->table [i]);
1469 #if defined(__native_client__) && defined(__native_client_codegen__)
1470 /* jump_table is in the data section, we need to transform */
1471 /* it here so when it gets modified in amd64_patch it will */
1472 /* then point back to the absolute data address */
1473 target = nacl_inverse_modify_patch_target (jump_table);
1475 target = jump_table;
1479 case MONO_PATCH_INFO_METHODCONST:
1480 case MONO_PATCH_INFO_CLASS:
1481 case MONO_PATCH_INFO_IMAGE:
1482 case MONO_PATCH_INFO_FIELD:
1483 case MONO_PATCH_INFO_SIGNATURE:
1484 case MONO_PATCH_INFO_AOT_MODULE:
1485 target = patch_info->data.target;
1487 case MONO_PATCH_INFO_IID:
1488 mono_class_init (patch_info->data.klass);
1489 target = GINT_TO_POINTER ((int)patch_info->data.klass->interface_id);
1491 case MONO_PATCH_INFO_ADJUSTED_IID:
1492 mono_class_init (patch_info->data.klass);
1493 target = GINT_TO_POINTER ((int)(-((patch_info->data.klass->interface_id + 1) * SIZEOF_VOID_P)));
1495 case MONO_PATCH_INFO_VTABLE:
1496 target = mono_class_vtable (domain, patch_info->data.klass);
1499 case MONO_PATCH_INFO_DELEGATE_TRAMPOLINE: {
1500 MonoDelegateClassMethodPair *del_tramp = patch_info->data.del_tramp;
1502 if (del_tramp->is_virtual)
1503 target = mono_create_delegate_virtual_trampoline (domain, del_tramp->klass, del_tramp->method);
1505 target = mono_create_delegate_trampoline_info (domain, del_tramp->klass, del_tramp->method);
1508 case MONO_PATCH_INFO_SFLDA: {
1509 MonoVTable *vtable = mono_class_vtable (domain, patch_info->data.field->parent);
1511 if (mono_class_field_is_special_static (patch_info->data.field)) {
1512 gpointer addr = NULL;
1514 mono_domain_lock (domain);
1515 if (domain->special_static_fields)
1516 addr = g_hash_table_lookup (domain->special_static_fields, patch_info->data.field);
1517 mono_domain_unlock (domain);
1523 if (!vtable->initialized && !(vtable->klass->flags & TYPE_ATTRIBUTE_BEFORE_FIELD_INIT) && (method && mono_class_needs_cctor_run (vtable->klass, method)))
1524 /* Done by the generated code */
1528 mono_runtime_class_init (vtable);
1530 target = (char*)mono_vtable_get_static_field_data (vtable) + patch_info->data.field->offset;
1533 case MONO_PATCH_INFO_RVA: {
1534 guint32 field_index = mono_metadata_token_index (patch_info->data.token->token);
1537 mono_metadata_field_info (patch_info->data.token->image, field_index - 1, NULL, &rva, NULL);
1538 target = mono_image_rva_map (patch_info->data.token->image, rva);
1541 case MONO_PATCH_INFO_R4:
1542 case MONO_PATCH_INFO_R8:
1543 target = patch_info->data.target;
1545 case MONO_PATCH_INFO_EXC_NAME:
1546 target = patch_info->data.name;
1548 case MONO_PATCH_INFO_LDSTR:
1550 mono_ldstr (domain, patch_info->data.token->image,
1551 mono_metadata_token_index (patch_info->data.token->token));
1553 case MONO_PATCH_INFO_TYPE_FROM_HANDLE: {
1555 MonoClass *handle_class;
1558 handle = mono_ldtoken_checked (patch_info->data.token->image,
1559 patch_info->data.token->token, &handle_class, patch_info->data.token->has_context ? &patch_info->data.token->context : NULL, &error);
1560 if (!mono_error_ok (&error))
1561 g_error ("Could not patch ldtoken due to %s", mono_error_get_message (&error));
1562 mono_class_init (handle_class);
1563 mono_class_init (mono_class_from_mono_type (handle));
1566 mono_type_get_object (domain, handle);
1569 case MONO_PATCH_INFO_LDTOKEN: {
1571 MonoClass *handle_class;
1574 handle = mono_ldtoken_checked (patch_info->data.token->image,
1575 patch_info->data.token->token, &handle_class, patch_info->data.token->has_context ? &patch_info->data.token->context : NULL, &error);
1576 if (!mono_error_ok (&error))
1577 g_error ("Could not patch ldtoken due to %s", mono_error_get_message (&error));
1578 mono_class_init (handle_class);
1583 case MONO_PATCH_INFO_DECLSEC:
1584 target = (mono_metadata_blob_heap (patch_info->data.token->image, patch_info->data.token->token) + 2);
1586 case MONO_PATCH_INFO_ICALL_ADDR:
1587 /* run_cctors == 0 -> AOT */
1588 if (patch_info->data.method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL) {
1589 const char *exc_class;
1590 const char *exc_arg;
1593 target = mono_lookup_pinvoke_call (patch_info->data.method, &exc_class, &exc_arg);
1596 mono_raise_exception (mono_exception_from_name_msg (mono_defaults.corlib, "System", exc_class, exc_arg));
1597 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));
1603 target = mono_lookup_internal_call (patch_info->data.method);
1605 if (!target && run_cctors)
1606 g_error ("Unregistered icall '%s'\n", mono_method_full_name (patch_info->data.method, TRUE));
1609 case MONO_PATCH_INFO_INTERRUPTION_REQUEST_FLAG:
1610 target = mono_thread_interruption_request_flag ();
1612 case MONO_PATCH_INFO_METHOD_RGCTX: {
1613 MonoVTable *vtable = mono_class_vtable (domain, patch_info->data.method->klass);
1616 target = mono_method_lookup_rgctx (vtable, mini_method_get_context (patch_info->data.method)->method_inst);
1619 case MONO_PATCH_INFO_RGCTX_SLOT_INDEX: {
1620 int slot = mini_get_rgctx_entry_slot (patch_info->data.rgctx_entry);
1622 target = GINT_TO_POINTER (MONO_RGCTX_SLOT_INDEX (slot));
1625 case MONO_PATCH_INFO_BB_OVF:
1626 case MONO_PATCH_INFO_EXC_OVF:
1627 case MONO_PATCH_INFO_GOT_OFFSET:
1628 case MONO_PATCH_INFO_NONE:
1630 case MONO_PATCH_INFO_RGCTX_FETCH: {
1631 int slot = mini_get_rgctx_entry_slot (patch_info->data.rgctx_entry);
1633 target = mono_create_rgctx_lazy_fetch_trampoline (slot);
1636 #ifdef MONO_ARCH_SOFT_DEBUG_SUPPORTED
1637 case MONO_PATCH_INFO_SEQ_POINT_INFO:
1639 /* AOT, not needed */
1642 target = mono_arch_get_seq_point_info (domain, code);
1645 case MONO_PATCH_INFO_GC_CARD_TABLE_ADDR: {
1646 int card_table_shift_bits;
1647 gpointer card_table_mask;
1649 target = mono_gc_get_card_table (&card_table_shift_bits, &card_table_mask);
1652 case MONO_PATCH_INFO_GC_NURSERY_START: {
1656 target = mono_gc_get_nursery (&shift_bits, &size);
1659 case MONO_PATCH_INFO_GC_NURSERY_BITS: {
1663 mono_gc_get_nursery (&shift_bits, &size);
1665 target = (gpointer)(mgreg_t)shift_bits;
1668 case MONO_PATCH_INFO_CASTCLASS_CACHE: {
1669 target = mono_domain_alloc0 (domain, sizeof (gpointer));
1672 case MONO_PATCH_INFO_JIT_TLS_ID: {
1673 target = (gpointer) (size_t) mono_jit_tls_id;
1676 case MONO_PATCH_INFO_TLS_OFFSET: {
1679 offset = mini_get_tls_offset (GPOINTER_TO_INT (patch_info->data.target));
1680 #ifdef MONO_ARCH_HAVE_TRANSLATE_TLS_OFFSET
1681 offset = mono_arch_translate_tls_offset (offset);
1683 target = GINT_TO_POINTER (offset);
1686 case MONO_PATCH_INFO_OBJC_SELECTOR_REF: {
1690 case MONO_PATCH_INFO_LDSTR_LIT: {
1694 len = strlen (patch_info->data.target);
1695 s = mono_domain_alloc0 (domain, len + 1);
1696 memcpy (s, patch_info->data.target, len);
1702 g_assert_not_reached ();
1705 return (gpointer)target;
1709 mini_init_gsctx (MonoDomain *domain, MonoMemPool *mp, MonoGenericContext *context, MonoGenericSharingContext *gsctx)
1711 MonoGenericInst *inst;
1714 memset (gsctx, 0, sizeof (MonoGenericSharingContext));
1716 if (context && context->class_inst) {
1717 inst = context->class_inst;
1718 for (i = 0; i < inst->type_argc; ++i) {
1719 MonoType *type = inst->type_argv [i];
1721 if (mini_is_gsharedvt_gparam (type))
1722 gsctx->is_gsharedvt = TRUE;
1725 if (context && context->method_inst) {
1726 inst = context->method_inst;
1728 for (i = 0; i < inst->type_argc; ++i) {
1729 MonoType *type = inst->type_argv [i];
1731 if (mini_is_gsharedvt_gparam (type))
1732 gsctx->is_gsharedvt = TRUE;
1738 * LOCKING: Acquires the jit code hash lock.
1741 mini_lookup_method (MonoDomain *domain, MonoMethod *method, MonoMethod *shared)
1744 static gboolean inited = FALSE;
1745 static int lookups = 0;
1746 static int failed_lookups = 0;
1748 mono_domain_jit_code_hash_lock (domain);
1749 ji = mono_internal_hash_table_lookup (&domain->jit_code_hash, method);
1750 if (!ji && shared) {
1751 /* Try generic sharing */
1752 ji = mono_internal_hash_table_lookup (&domain->jit_code_hash, shared);
1753 if (ji && !ji->has_generic_jit_info)
1756 mono_counters_register ("Shared generic lookups", MONO_COUNTER_INT|MONO_COUNTER_GENERICS, &lookups);
1757 mono_counters_register ("Failed shared generic lookups", MONO_COUNTER_INT|MONO_COUNTER_GENERICS, &failed_lookups);
1765 mono_domain_jit_code_hash_unlock (domain);
1771 lookup_method (MonoDomain *domain, MonoMethod *method)
1776 ji = mini_lookup_method (domain, method, NULL);
1779 if (!mono_method_is_generic_sharable (method, FALSE))
1781 shared = mini_get_shared_method (method);
1782 ji = mini_lookup_method (domain, method, shared);
1789 mono_get_jit_info_from_method (MonoDomain *domain, MonoMethod *method)
1791 return lookup_method (domain, method);
1795 static FILE* perf_map_file;
1798 mono_enable_jit_map (void)
1800 if (!perf_map_file) {
1802 g_snprintf (name, sizeof (name), "/tmp/perf-%d.map", getpid ());
1804 perf_map_file = fopen (name, "w");
1809 mono_emit_jit_tramp (void *start, int size, const char *desc)
1812 fprintf (perf_map_file, "%llx %x %s\n", (long long unsigned int)(gsize)start, size, desc);
1816 mono_emit_jit_map (MonoJitInfo *jinfo)
1818 if (perf_map_file) {
1819 char *name = mono_method_full_name (jinfo_get_method (jinfo), TRUE);
1820 mono_emit_jit_tramp (jinfo->code_start, jinfo->code_size, name);
1826 mono_jit_map_is_enabled (void)
1828 return perf_map_file != NULL;
1834 mono_jit_compile_method_with_opt (MonoMethod *method, guint32 opt, MonoException **ex)
1836 MonoDomain *target_domain, *domain = mono_domain_get ();
1838 gpointer code = NULL, p;
1840 MonoJitICallInfo *callinfo = NULL;
1841 WrapperInfo *winfo = NULL;
1844 * ICALL wrappers are handled specially, since there is only one copy of them
1845 * shared by all appdomains.
1847 if (method->wrapper_type == MONO_WRAPPER_MANAGED_TO_NATIVE)
1848 winfo = mono_marshal_get_wrapper_info (method);
1849 if (winfo && winfo->subtype == WRAPPER_SUBTYPE_ICALL_WRAPPER) {
1850 callinfo = mono_find_jit_icall_by_addr (winfo->d.icall.func);
1851 g_assert (callinfo);
1853 /* Must be domain neutral since there is only one copy */
1854 opt |= MONO_OPT_SHARED;
1857 if (method->dynamic)
1858 opt &= ~MONO_OPT_SHARED;
1860 /* These methods can become invalid when a domain is unloaded */
1861 if (method->klass->image != mono_get_corlib () || method->is_inflated)
1862 opt &= ~MONO_OPT_SHARED;
1864 if (opt & MONO_OPT_SHARED)
1865 target_domain = mono_get_root_domain ();
1867 target_domain = domain;
1869 if (method->wrapper_type == MONO_WRAPPER_UNKNOWN) {
1870 WrapperInfo *info = mono_marshal_get_wrapper_info (method);
1873 if (info->subtype == WRAPPER_SUBTYPE_SYNCHRONIZED_INNER) {
1874 MonoGenericContext *ctx = NULL;
1875 if (method->is_inflated)
1876 ctx = mono_method_get_context (method);
1877 method = info->d.synchronized_inner.method;
1880 method = mono_class_inflate_generic_method_checked (method, ctx, &error);
1881 g_assert (mono_error_ok (&error)); /* FIXME don't swallow the error */
1886 info = lookup_method (target_domain, method);
1888 /* We can't use a domain specific method in another domain */
1889 if (! ((domain != target_domain) && !info->domain_neutral)) {
1891 MonoException *tmpEx;
1893 mono_jit_stats.methods_lookups++;
1894 vtable = mono_class_vtable (domain, method->klass);
1896 tmpEx = mono_runtime_class_init_full (vtable, ex == NULL);
1901 return mono_create_ftnptr (target_domain, info->code_start);
1905 #ifdef MONO_USE_AOT_COMPILER
1906 if (opt & MONO_OPT_AOT) {
1907 MonoDomain *domain = mono_domain_get ();
1909 mono_class_init (method->klass);
1911 if ((code = mono_aot_get_method (domain, method))) {
1915 * In llvm-only mode, method might be a shared method, so we can't initialize its class.
1916 * This is not a problem, since it will be initialized when the method is first
1917 * called by init_method ().
1919 if (!mono_llvm_only) {
1920 vtable = mono_class_vtable (domain, method->klass);
1922 mono_runtime_class_init (vtable);
1929 code = mono_jit_compile_method_inner (method, target_domain, opt, ex);
1931 if (!code && mono_llvm_only) {
1932 printf ("AOT method not found in llvmonly mode: %s\n", mono_method_full_name (method, 1));
1933 g_assert_not_reached ();
1939 if (method->wrapper_type == MONO_WRAPPER_WRITE_BARRIER || method->wrapper_type == MONO_WRAPPER_ALLOC) {
1943 * SGEN requires the JIT info for these methods to be registered, see is_ip_in_managed_allocator ().
1945 ji = mini_jit_info_table_find (mono_domain_get (), code, &d);
1949 p = mono_create_ftnptr (target_domain, code);
1952 /*mono_register_jit_icall_wrapper takes the loader lock, so we take it on the outside. */
1953 mono_loader_lock ();
1955 if (!callinfo->wrapper) {
1956 callinfo->wrapper = p;
1957 mono_register_jit_icall_wrapper (callinfo, p);
1960 mono_loader_unlock ();
1967 mono_jit_compile_method (MonoMethod *method)
1969 MonoException *ex = NULL;
1972 code = mono_jit_compile_method_with_opt (method, mono_get_optimizations_for_method (method, default_opt), &ex);
1975 mono_raise_exception (ex);
1981 #ifdef MONO_ARCH_HAVE_INVALIDATE_METHOD
1983 invalidated_delegate_trampoline (char *desc)
1985 g_error ("Unmanaged code called delegate of type %s which was already garbage collected.\n"
1986 "See http://www.mono-project.com/Diagnostic:Delegate for an explanation and ways to fix this.",
1992 * mono_jit_free_method:
1994 * Free all memory allocated by the JIT for METHOD.
1997 mono_jit_free_method (MonoDomain *domain, MonoMethod *method)
1999 MonoJitDynamicMethodInfo *ji;
2000 gboolean destroy = TRUE;
2001 GHashTableIter iter;
2002 MonoJumpList *jlist;
2004 g_assert (method->dynamic);
2006 mono_domain_lock (domain);
2007 ji = mono_dynamic_code_hash_lookup (domain, method);
2008 mono_domain_unlock (domain);
2013 mono_debug_remove_method (method, domain);
2015 mono_domain_lock (domain);
2016 g_hash_table_remove (domain_jit_info (domain)->dynamic_code_hash, method);
2017 mono_domain_jit_code_hash_lock (domain);
2018 mono_internal_hash_table_remove (&domain->jit_code_hash, method);
2019 mono_domain_jit_code_hash_unlock (domain);
2020 g_hash_table_remove (domain_jit_info (domain)->jump_trampoline_hash, method);
2022 /* requires the domain lock - took above */
2023 mono_conc_hashtable_remove (domain_jit_info (domain)->runtime_invoke_hash, method);
2025 /* Remove jump targets in this method */
2026 g_hash_table_iter_init (&iter, domain_jit_info (domain)->jump_target_hash);
2027 while (g_hash_table_iter_next (&iter, NULL, (void**)&jlist)) {
2028 GSList *tmp, *remove;
2031 for (tmp = jlist->list; tmp; tmp = tmp->next) {
2032 guint8 *ip = tmp->data;
2034 if (ip >= (guint8*)ji->ji->code_start && ip < (guint8*)ji->ji->code_start + ji->ji->code_size)
2035 remove = g_slist_prepend (remove, tmp);
2037 for (tmp = remove; tmp; tmp = tmp->next) {
2038 jlist->list = g_slist_delete_link (jlist->list, tmp->data);
2040 g_slist_free (remove);
2043 mono_domain_unlock (domain);
2045 #ifdef MONO_ARCH_HAVE_INVALIDATE_METHOD
2046 if (debug_options.keep_delegates && method->wrapper_type == MONO_WRAPPER_NATIVE_TO_MANAGED) {
2048 * Instead of freeing the code, change it to call an error routine
2049 * so people can fix their code.
2051 char *type = mono_type_full_name (&method->klass->byval_arg);
2052 char *type_and_method = g_strdup_printf ("%s.%s", type, method->name);
2055 mono_arch_invalidate_method (ji->ji, invalidated_delegate_trampoline, type_and_method);
2061 * This needs to be done before freeing code_mp, since the code address is the
2062 * key in the table, so if we free the code_mp first, another thread can grab the
2063 * same code address and replace our entry in the table.
2065 mono_jit_info_table_remove (domain, ji->ji);
2068 mono_code_manager_destroy (ji->code_mp);
2073 mono_jit_find_compiled_method_with_jit_info (MonoDomain *domain, MonoMethod *method, MonoJitInfo **ji)
2075 MonoDomain *target_domain;
2078 if (default_opt & MONO_OPT_SHARED)
2079 target_domain = mono_get_root_domain ();
2081 target_domain = domain;
2083 info = lookup_method (target_domain, method);
2085 /* We can't use a domain specific method in another domain */
2086 if (! ((domain != target_domain) && !info->domain_neutral)) {
2087 mono_jit_stats.methods_lookups++;
2090 return info->code_start;
2099 gboolean mono_do_single_method_regression = FALSE;
2100 guint32 mono_single_method_regression_opt = 0;
2101 MonoMethod *mono_current_single_method;
2102 GSList *mono_single_method_list;
2103 GHashTable *mono_single_method_hash;
2106 mono_get_optimizations_for_method (MonoMethod *method, guint32 default_opt)
2110 if (!mono_do_single_method_regression)
2112 if (!mono_current_single_method) {
2113 if (!mono_single_method_hash)
2114 mono_single_method_hash = g_hash_table_new (g_direct_hash, g_direct_equal);
2115 if (!g_hash_table_lookup (mono_single_method_hash, method)) {
2116 g_hash_table_insert (mono_single_method_hash, method, method);
2117 mono_single_method_list = g_slist_prepend (mono_single_method_list, method);
2121 if (method == mono_current_single_method)
2122 return mono_single_method_regression_opt;
2127 mono_jit_find_compiled_method (MonoDomain *domain, MonoMethod *method)
2129 return mono_jit_find_compiled_method_with_jit_info (domain, method, NULL);
2134 gpointer compiled_method;
2135 gpointer runtime_invoke;
2137 MonoDynCallInfo *dyn_call_info;
2138 MonoClass *ret_box_class;
2139 gboolean needs_rgctx;
2140 } RuntimeInvokeInfo;
2143 * mono_jit_runtime_invoke:
2144 * @method: the method to invoke
2145 * @obj: this pointer
2146 * @params: array of parameter values.
2147 * @exc: used to catch exceptions objects
2150 mono_jit_runtime_invoke (MonoMethod *method, void *obj, void **params, MonoObject **exc)
2152 MonoMethod *invoke, *callee;
2153 MonoObject *(*runtime_invoke) (MonoObject *this_obj, void **params, MonoObject **exc, void* compiled_method);
2154 MonoDomain *domain = mono_domain_get ();
2155 MonoJitDomainInfo *domain_info;
2156 RuntimeInvokeInfo *info, *info2;
2158 if (obj == NULL && !(method->flags & METHOD_ATTRIBUTE_STATIC) && !method->string_ctor && (method->wrapper_type == 0)) {
2159 g_warning ("Ignoring invocation of an instance method on a NULL instance.\n");
2163 domain_info = domain_jit_info (domain);
2165 info = mono_conc_hashtable_lookup (domain_info->runtime_invoke_hash, method);
2168 if (mono_security_core_clr_enabled ()) {
2170 * This might be redundant since mono_class_vtable () already does this,
2171 * but keep it just in case for moonlight.
2173 mono_class_setup_vtable (method->klass);
2174 if (method->klass->exception_type != MONO_EXCEPTION_NONE) {
2176 *exc = (MonoObject*)mono_class_get_exception_for_failure (method->klass);
2178 mono_raise_exception (mono_class_get_exception_for_failure (method->klass));
2183 info = g_new0 (RuntimeInvokeInfo, 1);
2184 info->needs_rgctx = mono_llvm_only && mono_method_needs_static_rgctx_invoke (method, TRUE);
2186 invoke = mono_marshal_get_runtime_invoke (method, FALSE, info->needs_rgctx);
2187 info->vtable = mono_class_vtable_full (domain, method->klass, TRUE);
2188 g_assert (info->vtable);
2191 if (method->klass->rank && (method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) &&
2192 (method->iflags & METHOD_IMPL_ATTRIBUTE_NATIVE)) {
2194 * Array Get/Set/Address methods. The JIT implements them using inline code
2195 * inside the runtime invoke wrappers, so no need to compile them.
2197 if (mono_aot_only) {
2199 * Call a wrapper, since the runtime invoke wrapper was not generated.
2201 MonoMethod *wrapper;
2203 wrapper = mono_marshal_get_array_accessor_wrapper (method);
2204 invoke = mono_marshal_get_runtime_invoke (wrapper, FALSE, FALSE);
2212 MonoException *jit_ex = NULL;
2214 info->compiled_method = mono_jit_compile_method_with_opt (callee, mono_get_optimizations_for_method (callee, default_opt), &jit_ex);
2215 if (!info->compiled_method) {
2219 *exc = (MonoObject*)jit_ex;
2222 mono_raise_exception (jit_ex);
2223 /* coverity[unreachable] */
2227 info->compiled_method = mini_add_method_trampoline (callee, info->compiled_method, mono_method_needs_static_rgctx_invoke (callee, TRUE), FALSE);
2229 info->compiled_method = NULL;
2233 * We want to avoid AOTing 1000s of runtime-invoke wrappers when running
2234 * in full-aot mode, so we use a slower, but more generic wrapper if
2235 * possible, built on top of the OP_DYN_CALL opcode provided by the JIT.
2237 #ifdef MONO_ARCH_DYN_CALL_SUPPORTED
2238 if (!mono_llvm_only && (mono_aot_only || debug_options.dyn_runtime_invoke)) {
2240 MonoMethodSignature *sig = mono_method_signature (method);
2241 gboolean supported = TRUE;
2244 if (method->string_ctor)
2245 sig = mono_marshal_get_string_ctor_signature (method);
2246 g_assert (!info->needs_rgctx);
2248 for (i = 0; i < sig->param_count; ++i) {
2249 MonoType *t = sig->params [i];
2251 if (t->byref && t->type == MONO_TYPE_GENERICINST && mono_class_is_nullable (mono_class_from_mono_type (t)))
2255 if (mono_class_is_contextbound (method->klass) || !info->compiled_method)
2259 info->dyn_call_info = mono_arch_dyn_call_prepare (sig);
2261 ret_type = sig->ret;
2262 if (info->dyn_call_info) {
2263 switch (ret_type->type) {
2264 case MONO_TYPE_VOID:
2276 case MONO_TYPE_BOOLEAN:
2277 case MONO_TYPE_CHAR:
2280 info->ret_box_class = mono_class_from_mono_type (ret_type);
2283 info->ret_box_class = mono_defaults.int_class;
2285 case MONO_TYPE_STRING:
2286 case MONO_TYPE_CLASS:
2287 case MONO_TYPE_ARRAY:
2288 case MONO_TYPE_SZARRAY:
2289 case MONO_TYPE_OBJECT:
2291 case MONO_TYPE_GENERICINST:
2292 if (!MONO_TYPE_IS_REFERENCE (ret_type))
2293 info->ret_box_class = mono_class_from_mono_type (ret_type);
2295 case MONO_TYPE_VALUETYPE:
2296 info->ret_box_class = mono_class_from_mono_type (ret_type);
2299 g_assert_not_reached ();
2306 if (!info->dyn_call_info)
2307 info->runtime_invoke = mono_jit_compile_method (invoke);
2309 mono_domain_lock (domain);
2310 info2 = mono_conc_hashtable_insert (domain_info->runtime_invoke_hash, method, info);
2311 mono_domain_unlock (domain);
2318 runtime_invoke = info->runtime_invoke;
2321 * We need this here because mono_marshal_get_runtime_invoke can place
2322 * the helper method in System.Object and not the target class.
2325 *exc = (MonoObject*)mono_runtime_class_init_full (info->vtable, FALSE);
2329 mono_runtime_class_init (info->vtable);
2332 /* The wrappers expect this to be initialized to NULL */
2336 #ifdef MONO_ARCH_DYN_CALL_SUPPORTED
2337 if (info->dyn_call_info) {
2338 MonoMethodSignature *sig = mono_method_signature (method);
2340 static RuntimeInvokeDynamicFunction dyn_runtime_invoke;
2343 guint8 retval [256];
2346 if (!dyn_runtime_invoke) {
2347 invoke = mono_marshal_get_runtime_invoke_dynamic ();
2348 dyn_runtime_invoke = mono_jit_compile_method (invoke);
2351 /* Convert the arguments to the format expected by start_dyn_call () */
2352 args = g_alloca ((sig->param_count + sig->hasthis + info->needs_rgctx) * sizeof (gpointer));
2355 args [pindex ++] = &obj;
2356 for (i = 0; i < sig->param_count; ++i) {
2357 MonoType *t = sig->params [i];
2360 args [pindex ++] = ¶ms [i];
2361 } else if (MONO_TYPE_IS_REFERENCE (t) || t->type == MONO_TYPE_PTR) {
2362 args [pindex ++] = ¶ms [i];
2364 args [pindex ++] = params [i];
2367 if (info->needs_rgctx) {
2368 rgctx = mini_method_get_rgctx (method);
2369 args [pindex ++] = &rgctx;
2372 //printf ("M: %s\n", mono_method_full_name (method, TRUE));
2374 mono_arch_start_dyn_call (info->dyn_call_info, (gpointer**)args, retval, buf, sizeof (buf));
2376 dyn_runtime_invoke (buf, exc, info->compiled_method);
2378 mono_arch_finish_dyn_call (info->dyn_call_info, buf);
2380 if (info->ret_box_class)
2381 return mono_value_box (domain, info->ret_box_class, retval);
2383 return *(MonoObject**)retval;
2387 if (info->needs_rgctx) {
2388 MonoMethodSignature *sig = mono_method_signature (method);
2393 args = g_alloca ((sig->param_count + sig->hasthis + info->needs_rgctx) * sizeof (gpointer));
2395 rgctx = mini_method_get_rgctx (method);
2396 for (i = 0; i < sig->param_count; ++i)
2397 args [pindex ++] = params [i];
2398 args [pindex ++] = &rgctx;
2399 return runtime_invoke (obj, args, exc, info->compiled_method);
2401 return runtime_invoke (obj, params, exc, info->compiled_method);
2405 MONO_SIG_HANDLER_FUNC (, mono_sigfpe_signal_handler)
2407 MonoException *exc = NULL;
2409 MONO_SIG_HANDLER_INFO_TYPE *info = MONO_SIG_HANDLER_GET_INFO ();
2410 MONO_SIG_HANDLER_GET_CONTEXT;
2412 ji = mono_jit_info_table_find_internal (mono_domain_get (), mono_arch_ip_from_context (ctx), TRUE, TRUE);
2414 #if defined(MONO_ARCH_HAVE_IS_INT_OVERFLOW)
2415 if (mono_arch_is_int_overflow (ctx, info))
2417 * The spec says this throws ArithmeticException, but MS throws the derived
2418 * OverflowException.
2420 exc = mono_get_exception_overflow ();
2422 exc = mono_get_exception_divide_by_zero ();
2424 exc = mono_get_exception_divide_by_zero ();
2428 if (!mono_do_crash_chaining && mono_chain_signal (MONO_SIG_HANDLER_PARAMS))
2431 mono_handle_native_sigsegv (SIGSEGV, ctx, info);
2432 if (mono_do_crash_chaining) {
2433 mono_chain_signal (MONO_SIG_HANDLER_PARAMS);
2438 mono_arch_handle_exception (ctx, exc);
2441 MONO_SIG_HANDLER_FUNC (, mono_sigill_signal_handler)
2444 MONO_SIG_HANDLER_GET_CONTEXT;
2446 exc = mono_get_exception_execution_engine ("SIGILL");
2448 mono_arch_handle_exception (ctx, exc);
2451 #if defined(MONO_ARCH_USE_SIGACTION) || defined(HOST_WIN32)
2452 #define HAVE_SIG_INFO
2455 MONO_SIG_HANDLER_FUNC (, mono_sigsegv_signal_handler)
2458 MonoJitTlsData *jit_tls = mono_native_tls_get_value (mono_jit_tls_id);
2459 gpointer fault_addr = NULL;
2460 #ifdef HAVE_SIG_INFO
2461 MONO_SIG_HANDLER_INFO_TYPE *info = MONO_SIG_HANDLER_GET_INFO ();
2465 MONO_SIG_HANDLER_GET_CONTEXT;
2467 #if defined(MONO_ARCH_SOFT_DEBUG_SUPPORTED) && defined(HAVE_SIG_INFO)
2468 if (mono_arch_is_single_step_event (info, ctx)) {
2469 mono_debugger_agent_single_step_event (ctx);
2471 } else if (mono_arch_is_breakpoint_event (info, ctx)) {
2472 mono_debugger_agent_breakpoint_hit (ctx);
2477 #if defined(HAVE_SIG_INFO)
2478 #if !defined(HOST_WIN32)
2479 fault_addr = info->si_addr;
2480 if (mono_aot_is_pagefault (info->si_addr)) {
2481 mono_aot_handle_pagefault (info->si_addr);
2486 /* The thread might no be registered with the runtime */
2487 if (!mono_domain_get () || !jit_tls) {
2488 if (!mono_do_crash_chaining && mono_chain_signal (MONO_SIG_HANDLER_PARAMS))
2490 mono_handle_native_sigsegv (SIGSEGV, ctx, info);
2491 if (mono_do_crash_chaining) {
2492 mono_chain_signal (MONO_SIG_HANDLER_PARAMS);
2498 ji = mono_jit_info_table_find_internal (mono_domain_get (), mono_arch_ip_from_context (ctx), TRUE, TRUE);
2500 #ifdef MONO_ARCH_SIGSEGV_ON_ALTSTACK
2501 if (mono_handle_soft_stack_ovf (jit_tls, ji, ctx, info, (guint8*)info->si_addr))
2504 #ifdef MONO_ARCH_HAVE_SIGCTX_TO_MONOCTX
2505 /* info->si_addr seems to be NULL on some kernels when handling stack overflows */
2506 fault_addr = info->si_addr;
2507 if (fault_addr == NULL) {
2510 mono_sigctx_to_monoctx (ctx, &mctx);
2512 fault_addr = MONO_CONTEXT_GET_SP (&mctx);
2516 if (jit_tls->stack_size &&
2517 ABS ((guint8*)fault_addr - ((guint8*)jit_tls->end_of_stack - jit_tls->stack_size)) < 8192 * sizeof (gpointer)) {
2519 * The hard-guard page has been hit: there is not much we can do anymore
2520 * Print a hopefully clear message and abort.
2522 mono_handle_hard_stack_ovf (jit_tls, ji, ctx, (guint8*)info->si_addr);
2523 g_assert_not_reached ();
2525 /* The original handler might not like that it is executed on an altstack... */
2526 if (!ji && mono_chain_signal (MONO_SIG_HANDLER_PARAMS))
2529 mono_arch_handle_altstack_exception (ctx, info, info->si_addr, FALSE);
2534 if (!mono_do_crash_chaining && mono_chain_signal (MONO_SIG_HANDLER_PARAMS))
2537 mono_handle_native_sigsegv (SIGSEGV, ctx, info);
2539 if (mono_do_crash_chaining) {
2540 mono_chain_signal (MONO_SIG_HANDLER_PARAMS);
2545 mono_arch_handle_exception (ctx, NULL);
2549 MONO_SIG_HANDLER_FUNC (, mono_sigint_signal_handler)
2552 MONO_SIG_HANDLER_GET_CONTEXT;
2554 exc = mono_get_exception_execution_engine ("Interrupted (SIGINT).");
2556 mono_arch_handle_exception (ctx, exc);
2559 #ifndef DISABLE_REMOTING
2560 /* mono_jit_create_remoting_trampoline:
2561 * @method: pointer to the method info
2563 * Creates a trampoline which calls the remoting functions. This
2564 * is used in the vtable of transparent proxies.
2566 * Returns: a pointer to the newly created code
2569 mono_jit_create_remoting_trampoline (MonoDomain *domain, MonoMethod *method, MonoRemotingTarget target)
2572 guint8 *addr = NULL;
2574 if ((method->flags & METHOD_ATTRIBUTE_VIRTUAL) && mono_method_signature (method)->generic_param_count) {
2575 return mono_create_specific_trampoline (method, MONO_TRAMPOLINE_GENERIC_VIRTUAL_REMOTING,
2579 if ((method->flags & METHOD_ATTRIBUTE_ABSTRACT) ||
2580 (mono_method_signature (method)->hasthis && (mono_class_is_marshalbyref (method->klass) || method->klass == mono_defaults.object_class))) {
2581 nm = mono_marshal_get_remoting_invoke_for_target (method, target);
2582 addr = mono_compile_method (nm);
2585 addr = mono_compile_method (method);
2587 return mono_get_addr_from_ftnptr (addr);
2592 no_imt_trampoline (void)
2594 g_assert_not_reached ();
2598 no_vcall_trampoline (void)
2600 g_assert_not_reached ();
2603 static gpointer *vtable_trampolines;
2604 static int vtable_trampolines_size;
2607 mini_get_vtable_trampoline (int slot_index)
2609 int index = slot_index + MONO_IMT_SIZE;
2611 if (mono_llvm_only) {
2614 /* The vtable/imt construction code in object.c depends on this being non-NULL */
2615 return no_imt_trampoline;
2617 return no_vcall_trampoline;
2620 g_assert (slot_index >= - MONO_IMT_SIZE);
2621 if (!vtable_trampolines || slot_index + MONO_IMT_SIZE >= vtable_trampolines_size) {
2623 if (!vtable_trampolines || index >= vtable_trampolines_size) {
2627 new_size = vtable_trampolines_size ? vtable_trampolines_size * 2 : 128;
2628 while (new_size <= index)
2630 new_table = g_new0 (gpointer, new_size);
2632 if (vtable_trampolines)
2633 memcpy (new_table, vtable_trampolines, vtable_trampolines_size * sizeof (gpointer));
2634 g_free (vtable_trampolines);
2635 mono_memory_barrier ();
2636 vtable_trampolines = new_table;
2637 vtable_trampolines_size = new_size;
2642 if (!vtable_trampolines [index])
2643 vtable_trampolines [index] = mono_create_specific_trampoline (GUINT_TO_POINTER (slot_index), MONO_TRAMPOLINE_VCALL, mono_get_root_domain (), NULL);
2644 return vtable_trampolines [index];
2648 mono_get_delegate_virtual_invoke_impl (MonoMethodSignature *sig, MonoMethod *method)
2650 gboolean is_virtual_generic, is_interface, load_imt_reg;
2653 static guint8 **cache = NULL;
2654 static int cache_size = 0;
2659 if (MONO_TYPE_ISSTRUCT (sig->ret))
2662 is_virtual_generic = method->is_inflated && mono_method_get_declaring_generic_method (method)->is_generic;
2663 is_interface = method->klass->flags & TYPE_ATTRIBUTE_INTERFACE ? TRUE : FALSE;
2664 load_imt_reg = is_virtual_generic || is_interface;
2666 if (is_interface && !is_virtual_generic)
2667 offset = ((gint32)mono_method_get_imt_slot (method) - MONO_IMT_SIZE) * SIZEOF_VOID_P;
2669 offset = G_STRUCT_OFFSET (MonoVTable, vtable) + ((mono_method_get_vtable_index (method)) * (SIZEOF_VOID_P));
2671 idx = (offset / SIZEOF_VOID_P + MONO_IMT_SIZE) * 2 + (load_imt_reg ? 1 : 0);
2672 g_assert (idx >= 0);
2674 /* Resize the cache to idx + 1 */
2675 if (cache_size < idx + 1) {
2677 if (cache_size < idx + 1) {
2679 int new_cache_size = idx + 1;
2681 new_cache = g_new0 (guint8*, new_cache_size);
2683 memcpy (new_cache, cache, cache_size * sizeof (guint8*));
2686 mono_memory_barrier ();
2688 cache_size = new_cache_size;
2696 /* FIXME Support more cases */
2697 if (mono_aot_only) {
2698 char tramp_name [256];
2699 const char *imt = load_imt_reg ? "_imt" : "";
2700 int ind = (load_imt_reg ? (-offset) : offset) / SIZEOF_VOID_P;
2702 sprintf (tramp_name, "delegate_virtual_invoke%s_%d", imt, ind);
2703 cache [idx] = mono_aot_get_trampoline (tramp_name);
2704 g_assert (cache [idx]);
2706 cache [idx] = mono_arch_get_delegate_virtual_invoke_impl (sig, method, offset, load_imt_reg);
2712 mini_get_imt_trampoline (int slot_index)
2714 return mini_get_vtable_trampoline (slot_index - MONO_IMT_SIZE);
2718 mini_parse_debug_options (void)
2720 const char *options = g_getenv ("MONO_DEBUG");
2721 gchar **args, **ptr;
2726 args = g_strsplit (options, ",", -1);
2728 for (ptr = args; ptr && *ptr; ptr++) {
2729 const char *arg = *ptr;
2731 if (!strcmp (arg, "handle-sigint"))
2732 debug_options.handle_sigint = TRUE;
2733 else if (!strcmp (arg, "keep-delegates"))
2734 debug_options.keep_delegates = TRUE;
2735 else if (!strcmp (arg, "reverse-pinvoke-exceptions"))
2736 debug_options.reverse_pinvoke_exceptions = TRUE;
2737 else if (!strcmp (arg, "collect-pagefault-stats"))
2738 debug_options.collect_pagefault_stats = TRUE;
2739 else if (!strcmp (arg, "break-on-unverified"))
2740 debug_options.break_on_unverified = TRUE;
2741 else if (!strcmp (arg, "no-gdb-backtrace"))
2742 debug_options.no_gdb_backtrace = TRUE;
2743 else if (!strcmp (arg, "suspend-on-sigsegv"))
2744 debug_options.suspend_on_sigsegv = TRUE;
2745 else if (!strcmp (arg, "suspend-on-exception"))
2746 debug_options.suspend_on_exception = TRUE;
2747 else if (!strcmp (arg, "suspend-on-unhandled"))
2748 debug_options.suspend_on_unhandled = TRUE;
2749 else if (!strcmp (arg, "dont-free-domains"))
2750 mono_dont_free_domains = TRUE;
2751 else if (!strcmp (arg, "dyn-runtime-invoke"))
2752 debug_options.dyn_runtime_invoke = TRUE;
2753 else if (!strcmp (arg, "gdb"))
2754 debug_options.gdb = TRUE;
2755 else if (!strcmp (arg, "explicit-null-checks"))
2756 debug_options.explicit_null_checks = TRUE;
2757 else if (!strcmp (arg, "gen-seq-points"))
2758 debug_options.gen_sdb_seq_points = TRUE;
2759 else if (!strcmp (arg, "gen-compact-seq-points"))
2760 debug_options.gen_seq_points_compact_data = TRUE;
2761 else if (!strcmp (arg, "single-imm-size"))
2762 debug_options.single_imm_size = TRUE;
2763 else if (!strcmp (arg, "init-stacks"))
2764 debug_options.init_stacks = TRUE;
2765 else if (!strcmp (arg, "casts"))
2766 debug_options.better_cast_details = TRUE;
2767 else if (!strcmp (arg, "soft-breakpoints"))
2768 debug_options.soft_breakpoints = TRUE;
2769 else if (!strcmp (arg, "check-pinvoke-callconv"))
2770 debug_options.check_pinvoke_callconv = TRUE;
2771 else if (!strcmp (arg, "arm-use-fallback-tls"))
2772 debug_options.arm_use_fallback_tls = TRUE;
2773 else if (!strcmp (arg, "debug-domain-unload"))
2774 mono_enable_debug_domain_unload (TRUE);
2775 else if (!strcmp (arg, "partial-sharing"))
2777 else if (!strcmp (arg, "align-small-structs"))
2778 mono_align_small_structs = TRUE;
2779 else if (!strcmp (arg, "native-debugger-break"))
2780 debug_options.native_debugger_break = TRUE;
2782 fprintf (stderr, "Invalid option for the MONO_DEBUG env variable: %s\n", arg);
2783 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");
2792 mini_get_debug_options (void)
2794 return &debug_options;
2798 mini_create_ftnptr (MonoDomain *domain, gpointer addr)
2800 #if !defined(__ia64__) && (!defined(__ppc64__) && !defined(__powerpc64__) || _CALL_ELF == 2)
2803 gpointer* desc = NULL;
2805 if ((desc = g_hash_table_lookup (domain->ftnptrs_hash, addr)))
2808 desc = mono_domain_code_reserve (domain, 2 * sizeof (gpointer));
2812 # elif defined(__ppc64__) || defined(__powerpc64__)
2814 desc = mono_domain_alloc0 (domain, 3 * sizeof (gpointer));
2820 g_hash_table_insert (domain->ftnptrs_hash, addr, desc);
2826 mini_get_addr_from_ftnptr (gpointer descr)
2828 #if defined(__ia64__) || ((defined(__ppc64__) || defined(__powerpc64__)) && _CALL_ELF != 2)
2829 return *(gpointer*)descr;
2836 register_jit_stats (void)
2838 mono_counters_register ("Compiled methods", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.methods_compiled);
2839 mono_counters_register ("Methods from AOT", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.methods_aot);
2840 mono_counters_register ("Methods JITted using mono JIT", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.methods_without_llvm);
2841 mono_counters_register ("Methods JITted using LLVM", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.methods_with_llvm);
2842 mono_counters_register ("Total time spent JITting (sec)", MONO_COUNTER_JIT | MONO_COUNTER_DOUBLE, &mono_jit_stats.jit_time);
2843 mono_counters_register ("Basic blocks", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.basic_blocks);
2844 mono_counters_register ("Max basic blocks", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.max_basic_blocks);
2845 mono_counters_register ("Allocated vars", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.allocate_var);
2846 mono_counters_register ("Code reallocs", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.code_reallocs);
2847 mono_counters_register ("Allocated code size", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.allocated_code_size);
2848 mono_counters_register ("Allocated seq points size", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.allocated_seq_points_size);
2849 mono_counters_register ("Inlineable methods", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.inlineable_methods);
2850 mono_counters_register ("Inlined methods", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.inlined_methods);
2851 mono_counters_register ("Regvars", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.regvars);
2852 mono_counters_register ("Locals stack size", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.locals_stack_size);
2853 mono_counters_register ("Method cache lookups", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.methods_lookups);
2854 mono_counters_register ("Compiled CIL code size", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.cil_code_size);
2855 mono_counters_register ("Native code size", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.native_code_size);
2856 mono_counters_register ("Aliases found", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.alias_found);
2857 mono_counters_register ("Aliases eliminated", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.alias_removed);
2858 mono_counters_register ("Aliased loads eliminated", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.loads_eliminated);
2859 mono_counters_register ("Aliased stores eliminated", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.stores_eliminated);
2862 static void runtime_invoke_info_free (gpointer value);
2865 class_method_pair_equal (gconstpointer ka, gconstpointer kb)
2867 const MonoClassMethodPair *apair = ka;
2868 const MonoClassMethodPair *bpair = kb;
2870 return apair->klass == bpair->klass && apair->method == bpair->method ? 1 : 0;
2874 class_method_pair_hash (gconstpointer data)
2876 const MonoClassMethodPair *pair = data;
2878 return (gsize)pair->klass ^ (gsize)pair->method;
2882 mini_create_jit_domain_info (MonoDomain *domain)
2884 MonoJitDomainInfo *info = g_new0 (MonoJitDomainInfo, 1);
2886 info->jump_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
2887 info->jit_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
2888 info->delegate_trampoline_hash = g_hash_table_new (class_method_pair_hash, class_method_pair_equal);
2889 info->llvm_vcall_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
2890 info->runtime_invoke_hash = mono_conc_hashtable_new_full (mono_aligned_addr_hash, NULL, NULL, runtime_invoke_info_free);
2891 info->seq_points = g_hash_table_new_full (mono_aligned_addr_hash, NULL, NULL, mono_seq_point_info_free);
2892 info->arch_seq_points = g_hash_table_new (mono_aligned_addr_hash, NULL);
2893 info->jump_target_hash = g_hash_table_new (NULL, NULL);
2895 domain->runtime_info = info;
2899 delete_jump_list (gpointer key, gpointer value, gpointer user_data)
2901 MonoJumpList *jlist = value;
2902 g_slist_free (jlist->list);
2906 delete_got_slot_list (gpointer key, gpointer value, gpointer user_data)
2908 GSList *list = value;
2909 g_slist_free (list);
2913 dynamic_method_info_free (gpointer key, gpointer value, gpointer user_data)
2915 MonoJitDynamicMethodInfo *di = value;
2916 mono_code_manager_destroy (di->code_mp);
2921 runtime_invoke_info_free (gpointer value)
2923 RuntimeInvokeInfo *info = (RuntimeInvokeInfo*)value;
2925 #ifdef MONO_ARCH_DYN_CALL_SUPPORTED
2926 if (info->dyn_call_info)
2927 mono_arch_dyn_call_free (info->dyn_call_info);
2933 mini_free_jit_domain_info (MonoDomain *domain)
2935 MonoJitDomainInfo *info = domain_jit_info (domain);
2937 g_hash_table_foreach (info->jump_target_hash, delete_jump_list, NULL);
2938 g_hash_table_destroy (info->jump_target_hash);
2939 if (info->jump_target_got_slot_hash) {
2940 g_hash_table_foreach (info->jump_target_got_slot_hash, delete_got_slot_list, NULL);
2941 g_hash_table_destroy (info->jump_target_got_slot_hash);
2943 if (info->dynamic_code_hash) {
2944 g_hash_table_foreach (info->dynamic_code_hash, dynamic_method_info_free, NULL);
2945 g_hash_table_destroy (info->dynamic_code_hash);
2947 if (info->method_code_hash)
2948 g_hash_table_destroy (info->method_code_hash);
2949 g_hash_table_destroy (info->jump_trampoline_hash);
2950 g_hash_table_destroy (info->jit_trampoline_hash);
2951 g_hash_table_destroy (info->delegate_trampoline_hash);
2952 if (info->static_rgctx_trampoline_hash)
2953 g_hash_table_destroy (info->static_rgctx_trampoline_hash);
2954 g_hash_table_destroy (info->llvm_vcall_trampoline_hash);
2955 mono_conc_hashtable_destroy (info->runtime_invoke_hash);
2956 g_hash_table_destroy (info->seq_points);
2957 g_hash_table_destroy (info->arch_seq_points);
2958 if (info->agent_info)
2959 mono_debugger_agent_free_domain_info (domain);
2960 if (info->gsharedvt_arg_tramp_hash)
2961 g_hash_table_destroy (info->gsharedvt_arg_tramp_hash);
2963 mono_llvm_free_domain_info (domain);
2966 g_free (domain->runtime_info);
2967 domain->runtime_info = NULL;
2972 llvm_init_inner (void)
2974 if (!mono_llvm_load (NULL))
2985 * Load and initialize LLVM support.
2986 * Return TRUE on success.
2989 mini_llvm_init (void)
2992 static gboolean llvm_inited;
2993 static gboolean init_result;
2995 mono_loader_lock_if_inited ();
2997 init_result = llvm_init_inner ();
3000 mono_loader_unlock_if_inited ();
3008 mini_init (const char *filename, const char *runtime_version)
3011 MonoRuntimeCallbacks callbacks;
3012 MonoThreadInfoRuntimeCallbacks ticallbacks;
3014 MONO_VES_INIT_BEGIN ();
3016 CHECKED_MONO_INIT ();
3018 #if defined(__linux__) && !defined(__native_client__)
3019 if (access ("/proc/self/maps", F_OK) != 0) {
3020 g_print ("Mono requires /proc to be mounted.\n");
3025 mono_os_mutex_init_recursive (&jit_mutex);
3027 mono_cross_helpers_run ();
3031 /* Happens when using the embedding interface */
3032 if (!default_opt_set)
3033 default_opt = mono_parse_default_optimizations (NULL);
3035 #ifdef MONO_ARCH_GSHAREDVT_SUPPORTED
3037 mono_set_generic_sharing_vt_supported (TRUE);
3040 #ifdef MONO_HAVE_FAST_TLS
3041 MONO_FAST_TLS_INIT (mono_jit_tls);
3042 MONO_FAST_TLS_INIT (mono_lmf_addr);
3043 #ifdef MONO_ARCH_ENABLE_MONO_LMF_VAR
3044 MONO_FAST_TLS_INIT (mono_lmf);
3048 mono_runtime_set_has_tls_get (MONO_ARCH_HAVE_TLS_GET);
3050 if (!global_codeman)
3051 global_codeman = mono_code_manager_new ();
3053 memset (&callbacks, 0, sizeof (callbacks));
3054 callbacks.create_ftnptr = mini_create_ftnptr;
3055 callbacks.get_addr_from_ftnptr = mini_get_addr_from_ftnptr;
3056 callbacks.get_runtime_build_info = mono_get_runtime_build_info;
3057 callbacks.set_cast_details = mono_set_cast_details;
3058 callbacks.debug_log = mono_debugger_agent_debug_log;
3059 callbacks.debug_log_is_enabled = mono_debugger_agent_debug_log_is_enabled;
3060 callbacks.tls_key_supported = mini_tls_key_supported;
3062 callbacks.get_vtable_trampoline = mini_get_vtable_trampoline;
3063 callbacks.get_imt_trampoline = mini_get_imt_trampoline;
3065 mono_install_callbacks (&callbacks);
3067 memset (&ticallbacks, 0, sizeof (ticallbacks));
3068 ticallbacks.setup_async_callback = mono_setup_async_callback;
3069 ticallbacks.thread_state_init_from_sigctx = mono_thread_state_init_from_sigctx;
3070 ticallbacks.thread_state_init_from_handle = mono_thread_state_init_from_handle;
3071 ticallbacks.thread_state_init = mono_thread_state_init;
3073 mono_counters_init ();
3075 mono_threads_runtime_init (&ticallbacks);
3077 if (g_getenv ("MONO_DEBUG") != NULL)
3078 mini_parse_debug_options ();
3080 mono_code_manager_init ();
3084 mono_arch_cpu_init ();
3088 mono_unwind_init ();
3090 #ifdef XDEBUG_ENABLED
3091 if (g_getenv ("MONO_XDEBUG")) {
3092 const char *xdebug_opts = g_getenv ("MONO_XDEBUG");
3093 mono_xdebug_init (xdebug_opts);
3094 /* So methods for multiple domains don't have the same address */
3095 mono_dont_free_domains = TRUE;
3096 mono_using_xdebug = TRUE;
3097 } else if (mini_get_debug_options ()->gdb) {
3098 mono_xdebug_init ((char*)"gdb");
3099 mono_dont_free_domains = TRUE;
3100 mono_using_xdebug = TRUE;
3105 if (mono_use_llvm) {
3106 if (!mono_llvm_load (NULL)) {
3107 mono_use_llvm = FALSE;
3108 fprintf (stderr, "Mono Warning: llvm support could not be loaded.\n");
3115 mono_trampolines_init ();
3117 mono_native_tls_alloc (&mono_jit_tls_id, NULL);
3119 if (default_opt & MONO_OPT_AOT)
3122 mono_debugger_agent_init ();
3124 #ifdef MONO_ARCH_GSHARED_SUPPORTED
3125 mono_set_generic_sharing_supported (TRUE);
3128 #ifndef MONO_CROSS_COMPILE
3129 mono_runtime_install_handlers ();
3131 mono_threads_install_cleanup (mini_thread_cleanup);
3133 #define JIT_TRAMPOLINES_WORK
3134 #ifdef JIT_TRAMPOLINES_WORK
3135 mono_install_compile_method (mono_jit_compile_method);
3136 mono_install_free_method (mono_jit_free_method);
3137 mono_install_trampoline (mono_create_jit_trampoline);
3138 mono_install_jump_trampoline (mono_create_jump_trampoline);
3139 #ifndef DISABLE_REMOTING
3140 mono_install_remoting_trampoline (mono_jit_create_remoting_trampoline);
3142 mono_install_delegate_trampoline (mono_create_delegate_trampoline);
3143 mono_install_create_domain_hook (mini_create_jit_domain_info);
3144 mono_install_free_domain_hook (mini_free_jit_domain_info);
3146 #define JIT_INVOKE_WORKS
3147 #ifdef JIT_INVOKE_WORKS
3148 mono_install_runtime_invoke (mono_jit_runtime_invoke);
3150 mono_install_get_cached_class_info (mono_aot_get_cached_class_info);
3151 mono_install_get_class_from_name (mono_aot_get_class_from_name);
3152 mono_install_jit_info_find_in_aot (mono_aot_find_jit_info);
3154 if (debug_options.collect_pagefault_stats)
3155 mono_aot_set_make_unreadable (TRUE);
3157 if (runtime_version)
3158 domain = mono_init_version (filename, runtime_version);
3160 domain = mono_init_from_assembly (filename, filename);
3162 if (mono_aot_only) {
3163 /* This helps catch code allocation requests */
3164 mono_code_manager_set_read_only (domain->code_mp);
3165 mono_marshal_use_aot_wrappers (TRUE);
3169 mono_install_imt_thunk_builder (mono_aot_get_imt_thunk);
3171 mono_install_imt_thunk_builder (mono_arch_build_imt_thunk);
3173 /*Init arch tls information only after the metadata side is inited to make sure we see dynamic appdomain tls keys*/
3174 mono_arch_finish_init ();
3178 /* This must come after mono_init () in the aot-only case */
3179 mono_exceptions_init ();
3181 /* This should come after mono_init () too */
3185 mono_create_helper_signatures ();
3188 register_jit_stats ();
3190 #define JIT_CALLS_WORK
3191 #ifdef JIT_CALLS_WORK
3192 /* Needs to be called here since register_jit_icall depends on it */
3193 mono_marshal_init ();
3195 mono_arch_register_lowlevel_calls ();
3199 mono_generic_sharing_init ();
3202 #ifdef MONO_ARCH_SIMD_INTRINSICS
3203 mono_simd_intrinsics_init ();
3206 #if MONO_SUPPORT_TASKLETS
3207 mono_tasklets_init ();
3210 register_trampolines (domain);
3212 if (mono_compile_aot)
3214 * Avoid running managed code when AOT compiling, since the platform
3215 * might only support aot-only execution.
3217 mono_runtime_set_no_exec (TRUE);
3219 #define JIT_RUNTIME_WORKS
3220 #ifdef JIT_RUNTIME_WORKS
3221 mono_install_runtime_cleanup ((MonoDomainFunc)mini_cleanup);
3222 mono_runtime_init (domain, mono_thread_start_cb, mono_thread_attach_cb);
3223 mono_thread_attach (domain);
3226 mono_profiler_runtime_initialized ();
3228 MONO_VES_INIT_END ();
3234 register_icalls (void)
3236 mono_add_internal_call ("System.Diagnostics.StackFrame::get_frame_info",
3237 ves_icall_get_frame_info);
3238 mono_add_internal_call ("System.Diagnostics.StackTrace::get_trace",
3239 ves_icall_get_trace);
3240 mono_add_internal_call ("Mono.Runtime::mono_runtime_install_handlers",
3241 mono_runtime_install_handlers);
3243 #if defined(PLATFORM_ANDROID) || defined(TARGET_ANDROID)
3244 mono_add_internal_call ("System.Diagnostics.Debugger::Mono_UnhandledException_internal",
3245 mono_debugger_agent_unhandled_exception);
3249 * It's important that we pass `TRUE` as the last argument here, as
3250 * it causes the JIT to omit a wrapper for these icalls. If the JIT
3251 * *did* emit a wrapper, we'd be looking at infinite recursion since
3252 * the wrapper would call the icall which would call the wrapper and
3255 register_icall (mono_profiler_method_enter, "mono_profiler_method_enter", "void ptr", TRUE);
3256 register_icall (mono_profiler_method_leave, "mono_profiler_method_leave", "void ptr", TRUE);
3258 register_icall (mono_trace_enter_method, "mono_trace_enter_method", NULL, TRUE);
3259 register_icall (mono_trace_leave_method, "mono_trace_leave_method", NULL, TRUE);
3260 register_icall (mono_get_lmf_addr, "mono_get_lmf_addr", "ptr", TRUE);
3261 register_icall (mono_jit_thread_attach, "mono_jit_thread_attach", "ptr ptr", TRUE);
3262 register_icall (mono_jit_set_domain, "mono_jit_set_domain", "void ptr", TRUE);
3263 register_icall (mono_domain_get, "mono_domain_get", "ptr", TRUE);
3265 register_icall (mono_llvm_throw_exception, "mono_llvm_throw_exception", "void object", TRUE);
3266 register_icall (mono_llvm_rethrow_exception, "mono_llvm_rethrow_exception", "void object", TRUE);
3267 register_icall (mono_llvm_resume_exception, "mono_llvm_resume_exception", "void", TRUE);
3268 register_icall (mono_llvm_match_exception, "mono_llvm_match_exception", "int ptr int int", TRUE);
3269 register_icall (mono_llvm_clear_exception, "mono_llvm_clear_exception", NULL, TRUE);
3270 register_icall (mono_llvm_load_exception, "mono_llvm_load_exception", "object", TRUE);
3271 register_icall (mono_llvm_throw_corlib_exception, "mono_llvm_throw_corlib_exception", "void int", FALSE);
3272 #if defined(ENABLE_LLVM) && !defined(MONO_LLVM_LOADED)
3273 register_icall (mono_llvm_set_unhandled_exception_handler, "mono_llvm_set_unhandled_exception_handler", NULL, TRUE);
3275 // FIXME: This is broken
3276 register_icall (mono_debug_personality, "mono_debug_personality", "int int int ptr ptr ptr", TRUE);
3279 register_dyn_icall (mono_get_throw_exception (), "mono_arch_throw_exception", "void object", TRUE);
3280 register_dyn_icall (mono_get_rethrow_exception (), "mono_arch_rethrow_exception", "void object", TRUE);
3281 register_dyn_icall (mono_get_throw_corlib_exception (), "mono_arch_throw_corlib_exception", "void ptr", TRUE);
3282 register_icall (mono_thread_get_undeniable_exception, "mono_thread_get_undeniable_exception", "object", FALSE);
3283 register_icall (mono_thread_interruption_checkpoint, "mono_thread_interruption_checkpoint", "object", FALSE);
3284 register_icall (mono_thread_force_interruption_checkpoint_noraise, "mono_thread_force_interruption_checkpoint_noraise", "object", FALSE);
3285 register_icall (mono_thread_force_interruption_checkpoint, "mono_thread_force_interruption_checkpoint", "void", FALSE);
3286 #ifndef DISABLE_REMOTING
3287 register_icall (mono_load_remote_field_new, "mono_load_remote_field_new", "object object ptr ptr", FALSE);
3288 register_icall (mono_store_remote_field_new, "mono_store_remote_field_new", "void object ptr ptr object", FALSE);
3291 #if defined(__native_client__) || defined(__native_client_codegen__)
3292 register_icall (mono_nacl_gc, "mono_nacl_gc", "void", FALSE);
3295 if (mono_threads_is_coop_enabled ())
3296 register_icall (mono_threads_state_poll, "mono_threads_state_poll", "void", FALSE);
3298 #ifndef MONO_ARCH_NO_EMULATE_LONG_MUL_OPTS
3299 register_opcode_emulation (OP_LMUL, "__emul_lmul", "long long long", mono_llmult, "mono_llmult", TRUE);
3300 register_opcode_emulation (OP_LDIV, "__emul_ldiv", "long long long", mono_lldiv, "mono_lldiv", FALSE);
3301 register_opcode_emulation (OP_LDIV_UN, "__emul_ldiv_un", "long long long", mono_lldiv_un, "mono_lldiv_un", FALSE);
3302 register_opcode_emulation (OP_LREM, "__emul_lrem", "long long long", mono_llrem, "mono_llrem", FALSE);
3303 register_opcode_emulation (OP_LREM_UN, "__emul_lrem_un", "long long long", mono_llrem_un, "mono_llrem_un", FALSE);
3305 #if !defined(MONO_ARCH_NO_EMULATE_LONG_MUL_OPTS) || defined(MONO_ARCH_EMULATE_LONG_MUL_OVF_OPTS)
3306 register_opcode_emulation (OP_LMUL_OVF_UN, "__emul_lmul_ovf_un", "long long long", mono_llmult_ovf_un, "mono_llmult_ovf_un", FALSE);
3307 register_opcode_emulation (OP_LMUL_OVF, "__emul_lmul_ovf", "long long long", mono_llmult_ovf, "mono_llmult_ovf", FALSE);
3310 #ifndef MONO_ARCH_NO_EMULATE_LONG_SHIFT_OPS
3311 register_opcode_emulation (OP_LSHL, "__emul_lshl", "long long int32", mono_lshl, "mono_lshl", TRUE);
3312 register_opcode_emulation (OP_LSHR, "__emul_lshr", "long long int32", mono_lshr, "mono_lshr", TRUE);
3313 register_opcode_emulation (OP_LSHR_UN, "__emul_lshr_un", "long long int32", mono_lshr_un, "mono_lshr_un", TRUE);
3316 #if defined(MONO_ARCH_EMULATE_MUL_DIV) || defined(MONO_ARCH_EMULATE_DIV)
3317 register_opcode_emulation (OP_IDIV, "__emul_op_idiv", "int32 int32 int32", mono_idiv, "mono_idiv", FALSE);
3318 register_opcode_emulation (OP_IDIV_UN, "__emul_op_idiv_un", "int32 int32 int32", mono_idiv_un, "mono_idiv_un", FALSE);
3319 register_opcode_emulation (OP_IREM, "__emul_op_irem", "int32 int32 int32", mono_irem, "mono_irem", FALSE);
3320 register_opcode_emulation (OP_IREM_UN, "__emul_op_irem_un", "int32 int32 int32", mono_irem_un, "mono_irem_un", FALSE);
3323 #ifdef MONO_ARCH_EMULATE_MUL_DIV
3324 register_opcode_emulation (OP_IMUL, "__emul_op_imul", "int32 int32 int32", mono_imul, "mono_imul", TRUE);
3327 #if defined(MONO_ARCH_EMULATE_MUL_DIV) || defined(MONO_ARCH_EMULATE_MUL_OVF)
3328 register_opcode_emulation (OP_IMUL_OVF, "__emul_op_imul_ovf", "int32 int32 int32", mono_imul_ovf, "mono_imul_ovf", FALSE);
3329 register_opcode_emulation (OP_IMUL_OVF_UN, "__emul_op_imul_ovf_un", "int32 int32 int32", mono_imul_ovf_un, "mono_imul_ovf_un", FALSE);
3332 #if defined(MONO_ARCH_EMULATE_MUL_DIV) || defined(MONO_ARCH_SOFT_FLOAT_FALLBACK)
3333 register_opcode_emulation (OP_FDIV, "__emul_fdiv", "double double double", mono_fdiv, "mono_fdiv", FALSE);
3336 register_opcode_emulation (OP_FCONV_TO_U8, "__emul_fconv_to_u8", "ulong double", mono_fconv_u8, "mono_fconv_u8", FALSE);
3337 register_opcode_emulation (OP_RCONV_TO_U8, "__emul_rconv_to_u8", "ulong float", mono_rconv_u8, "mono_rconv_u8", FALSE);
3338 register_opcode_emulation (OP_FCONV_TO_U4, "__emul_fconv_to_u4", "uint32 double", mono_fconv_u4, "mono_fconv_u4", FALSE);
3339 register_opcode_emulation (OP_FCONV_TO_OVF_I8, "__emul_fconv_to_ovf_i8", "long double", mono_fconv_ovf_i8, "mono_fconv_ovf_i8", FALSE);
3340 register_opcode_emulation (OP_FCONV_TO_OVF_U8, "__emul_fconv_to_ovf_u8", "ulong double", mono_fconv_ovf_u8, "mono_fconv_ovf_u8", FALSE);
3341 register_opcode_emulation (OP_RCONV_TO_OVF_I8, "__emul_rconv_to_ovf_i8", "long float", mono_rconv_ovf_i8, "mono_rconv_ovf_i8", FALSE);
3342 register_opcode_emulation (OP_RCONV_TO_OVF_U8, "__emul_rconv_to_ovf_u8", "ulong float", mono_rconv_ovf_u8, "mono_rconv_ovf_u8", FALSE);
3345 #ifdef MONO_ARCH_EMULATE_FCONV_TO_I8
3346 register_opcode_emulation (OP_FCONV_TO_I8, "__emul_fconv_to_i8", "long double", mono_fconv_i8, "mono_fconv_i8", FALSE);
3347 register_opcode_emulation (OP_RCONV_TO_I8, "__emul_rconv_to_i8", "long float", mono_rconv_i8, "mono_rconv_i8", FALSE);
3350 #ifdef MONO_ARCH_EMULATE_CONV_R8_UN
3351 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);
3353 #ifdef MONO_ARCH_EMULATE_LCONV_TO_R8
3354 register_opcode_emulation (OP_LCONV_TO_R8, "__emul_lconv_to_r8", "double long", mono_lconv_to_r8, "mono_lconv_to_r8", FALSE);
3356 #ifdef MONO_ARCH_EMULATE_LCONV_TO_R4
3357 register_opcode_emulation (OP_LCONV_TO_R4, "__emul_lconv_to_r4", "float long", mono_lconv_to_r4, "mono_lconv_to_r4", FALSE);
3359 #ifdef MONO_ARCH_EMULATE_LCONV_TO_R8_UN
3360 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);
3362 #ifdef MONO_ARCH_EMULATE_FREM
3363 #if defined(__default_codegen__)
3364 register_opcode_emulation (OP_FREM, "__emul_frem", "double double double", fmod, "fmod", FALSE);
3365 register_opcode_emulation (OP_RREM, "__emul_rrem", "float float float", fmodf, "fmodf", FALSE);
3366 #elif defined(__native_client_codegen__)
3367 register_opcode_emulation (OP_FREM, "__emul_frem", "double double double", mono_fmod, "mono_fmod", FALSE);
3371 #ifdef MONO_ARCH_SOFT_FLOAT_FALLBACK
3372 if (mono_arch_is_soft_float ()) {
3373 register_opcode_emulation (OP_FSUB, "__emul_fsub", "double double double", mono_fsub, "mono_fsub", FALSE);
3374 register_opcode_emulation (OP_FADD, "__emul_fadd", "double double double", mono_fadd, "mono_fadd", FALSE);
3375 register_opcode_emulation (OP_FMUL, "__emul_fmul", "double double double", mono_fmul, "mono_fmul", FALSE);
3376 register_opcode_emulation (OP_FNEG, "__emul_fneg", "double double", mono_fneg, "mono_fneg", FALSE);
3377 register_opcode_emulation (OP_ICONV_TO_R8, "__emul_iconv_to_r8", "double int32", mono_conv_to_r8, "mono_conv_to_r8", FALSE);
3378 register_opcode_emulation (OP_ICONV_TO_R4, "__emul_iconv_to_r4", "double int32", mono_conv_to_r4, "mono_conv_to_r4", FALSE);
3379 register_opcode_emulation (OP_FCONV_TO_R4, "__emul_fconv_to_r4", "double double", mono_fconv_r4, "mono_fconv_r4", FALSE);
3380 register_opcode_emulation (OP_FCONV_TO_I1, "__emul_fconv_to_i1", "int8 double", mono_fconv_i1, "mono_fconv_i1", FALSE);
3381 register_opcode_emulation (OP_FCONV_TO_I2, "__emul_fconv_to_i2", "int16 double", mono_fconv_i2, "mono_fconv_i2", FALSE);
3382 register_opcode_emulation (OP_FCONV_TO_I4, "__emul_fconv_to_i4", "int32 double", mono_fconv_i4, "mono_fconv_i4", FALSE);
3383 register_opcode_emulation (OP_FCONV_TO_U1, "__emul_fconv_to_u1", "uint8 double", mono_fconv_u1, "mono_fconv_u1", FALSE);
3384 register_opcode_emulation (OP_FCONV_TO_U2, "__emul_fconv_to_u2", "uint16 double", mono_fconv_u2, "mono_fconv_u2", FALSE);
3386 #if SIZEOF_VOID_P == 4
3387 register_opcode_emulation (OP_FCONV_TO_I, "__emul_fconv_to_i", "int32 double", mono_fconv_i4, "mono_fconv_i4", FALSE);
3390 register_opcode_emulation (OP_FBEQ, "__emul_fcmp_eq", "uint32 double double", mono_fcmp_eq, "mono_fcmp_eq", FALSE);
3391 register_opcode_emulation (OP_FBLT, "__emul_fcmp_lt", "uint32 double double", mono_fcmp_lt, "mono_fcmp_lt", FALSE);
3392 register_opcode_emulation (OP_FBGT, "__emul_fcmp_gt", "uint32 double double", mono_fcmp_gt, "mono_fcmp_gt", FALSE);
3393 register_opcode_emulation (OP_FBLE, "__emul_fcmp_le", "uint32 double double", mono_fcmp_le, "mono_fcmp_le", FALSE);
3394 register_opcode_emulation (OP_FBGE, "__emul_fcmp_ge", "uint32 double double", mono_fcmp_ge, "mono_fcmp_ge", FALSE);
3395 register_opcode_emulation (OP_FBNE_UN, "__emul_fcmp_ne_un", "uint32 double double", mono_fcmp_ne_un, "mono_fcmp_ne_un", FALSE);
3396 register_opcode_emulation (OP_FBLT_UN, "__emul_fcmp_lt_un", "uint32 double double", mono_fcmp_lt_un, "mono_fcmp_lt_un", FALSE);
3397 register_opcode_emulation (OP_FBGT_UN, "__emul_fcmp_gt_un", "uint32 double double", mono_fcmp_gt_un, "mono_fcmp_gt_un", FALSE);
3398 register_opcode_emulation (OP_FBLE_UN, "__emul_fcmp_le_un", "uint32 double double", mono_fcmp_le_un, "mono_fcmp_le_un", FALSE);
3399 register_opcode_emulation (OP_FBGE_UN, "__emul_fcmp_ge_un", "uint32 double double", mono_fcmp_ge_un, "mono_fcmp_ge_un", FALSE);
3401 register_opcode_emulation (OP_FCEQ, "__emul_fcmp_ceq", "uint32 double double", mono_fceq, "mono_fceq", FALSE);
3402 register_opcode_emulation (OP_FCGT, "__emul_fcmp_cgt", "uint32 double double", mono_fcgt, "mono_fcgt", FALSE);
3403 register_opcode_emulation (OP_FCGT_UN, "__emul_fcmp_cgt_un", "uint32 double double", mono_fcgt_un, "mono_fcgt_un", FALSE);
3404 register_opcode_emulation (OP_FCLT, "__emul_fcmp_clt", "uint32 double double", mono_fclt, "mono_fclt", FALSE);
3405 register_opcode_emulation (OP_FCLT_UN, "__emul_fcmp_clt_un", "uint32 double double", mono_fclt_un, "mono_fclt_un", FALSE);
3407 register_icall (mono_fload_r4, "mono_fload_r4", "double ptr", FALSE);
3408 register_icall (mono_fstore_r4, "mono_fstore_r4", "void double ptr", FALSE);
3409 register_icall (mono_fload_r4_arg, "mono_fload_r4_arg", "uint32 double", FALSE);
3410 register_icall (mono_isfinite, "mono_isfinite", "uint32 double", FALSE);
3413 register_icall (mono_ckfinite, "mono_ckfinite", "double double", FALSE);
3415 #ifdef COMPRESSED_INTERFACE_BITMAP
3416 register_icall (mono_class_interface_match, "mono_class_interface_match", "uint32 ptr int32", TRUE);
3419 #if SIZEOF_REGISTER == 4
3420 register_opcode_emulation (OP_FCONV_TO_U, "__emul_fconv_to_u", "uint32 double", mono_fconv_u4, "mono_fconv_u4", TRUE);
3422 register_opcode_emulation (OP_FCONV_TO_U, "__emul_fconv_to_u", "ulong double", mono_fconv_u8, "mono_fconv_u8", TRUE);
3425 /* other jit icalls */
3426 register_icall (mono_delegate_ctor, "mono_delegate_ctor", "void object object ptr", FALSE);
3427 register_icall (mono_class_static_field_address , "mono_class_static_field_address",
3428 "ptr ptr ptr", FALSE);
3429 register_icall (mono_ldtoken_wrapper, "mono_ldtoken_wrapper", "ptr ptr ptr ptr", FALSE);
3430 register_icall (mono_ldtoken_wrapper_generic_shared, "mono_ldtoken_wrapper_generic_shared",
3431 "ptr ptr ptr ptr", FALSE);
3432 register_icall (mono_get_special_static_data, "mono_get_special_static_data", "ptr int", FALSE);
3433 register_icall (mono_ldstr, "mono_ldstr", "object ptr ptr int32", FALSE);
3434 register_icall (mono_helper_stelem_ref_check, "mono_helper_stelem_ref_check", "void object object", FALSE);
3435 register_icall (mono_object_new, "mono_object_new", "object ptr ptr", FALSE);
3436 register_icall (mono_object_new_specific, "mono_object_new_specific", "object ptr", FALSE);
3437 register_icall (mono_array_new, "mono_array_new", "object ptr ptr int32", FALSE);
3438 register_icall (mono_array_new_specific, "mono_array_new_specific", "object ptr int32", FALSE);
3439 register_icall (mono_runtime_class_init, "mono_runtime_class_init", "void ptr", FALSE);
3440 register_icall (mono_ldftn, "mono_ldftn", "ptr ptr", FALSE);
3441 register_icall (mono_ldvirtfn, "mono_ldvirtfn", "ptr object ptr", FALSE);
3442 register_icall (mono_ldvirtfn_gshared, "mono_ldvirtfn_gshared", "ptr object ptr", FALSE);
3443 register_icall (mono_helper_compile_generic_method, "mono_helper_compile_generic_method", "ptr object ptr ptr", FALSE);
3444 register_icall (mono_helper_ldstr, "mono_helper_ldstr", "object ptr int", FALSE);
3445 register_icall (mono_helper_ldstr_mscorlib, "mono_helper_ldstr_mscorlib", "object int", FALSE);
3446 register_icall (mono_helper_newobj_mscorlib, "mono_helper_newobj_mscorlib", "object int", FALSE);
3447 register_icall (mono_value_copy, "mono_value_copy", "void ptr ptr ptr", FALSE);
3448 register_icall (mono_object_castclass_unbox, "mono_object_castclass_unbox", "object object ptr", FALSE);
3449 register_icall (mono_break, "mono_break", NULL, TRUE);
3450 register_icall (mono_create_corlib_exception_0, "mono_create_corlib_exception_0", "object int", TRUE);
3451 register_icall (mono_create_corlib_exception_1, "mono_create_corlib_exception_1", "object int object", TRUE);
3452 register_icall (mono_create_corlib_exception_2, "mono_create_corlib_exception_2", "object int object object", TRUE);
3453 register_icall (mono_array_new_1, "mono_array_new_1", "object ptr int", FALSE);
3454 register_icall (mono_array_new_2, "mono_array_new_2", "object ptr int int", FALSE);
3455 register_icall (mono_array_new_3, "mono_array_new_3", "object ptr int int int", FALSE);
3456 register_icall (mono_array_new_4, "mono_array_new_4", "object ptr int int int int", FALSE);
3457 register_icall (mono_get_native_calli_wrapper, "mono_get_native_calli_wrapper", "ptr ptr ptr ptr", FALSE);
3458 register_icall (mono_resume_unwind, "mono_resume_unwind", "void", TRUE);
3459 register_icall (mono_gsharedvt_constrained_call, "mono_gsharedvt_constrained_call", "object ptr ptr ptr ptr ptr", FALSE);
3460 register_icall (mono_gsharedvt_value_copy, "mono_gsharedvt_value_copy", "void ptr ptr ptr", TRUE);
3462 register_icall (mono_gc_wbarrier_value_copy_bitmap, "mono_gc_wbarrier_value_copy_bitmap", "void ptr ptr int int", FALSE);
3464 register_icall (mono_object_castclass_with_cache, "mono_object_castclass_with_cache", "object object ptr ptr", FALSE);
3465 register_icall (mono_object_isinst_with_cache, "mono_object_isinst_with_cache", "object object ptr ptr", FALSE);
3466 register_icall (mono_generic_class_init, "mono_generic_class_init", "void ptr", FALSE);
3467 register_icall (mono_fill_class_rgctx, "mono_class_fill_rgctx", "ptr ptr int", FALSE);
3468 register_icall (mono_fill_method_rgctx, "mono_method_fill_rgctx", "ptr ptr int", FALSE);
3470 register_icall (mono_debugger_agent_user_break, "mono_debugger_agent_user_break", "void", FALSE);
3472 register_icall (mono_aot_init_llvm_method, "mono_aot_init_llvm_method", "void ptr int", TRUE);
3473 register_icall (mono_aot_init_gshared_method_this, "mono_aot_init_gshared_method_this", "void ptr int object", TRUE);
3474 register_icall (mono_aot_init_gshared_method_rgctx, "mono_aot_init_gshared_method_rgctx", "void ptr int ptr", TRUE);
3476 register_icall_no_wrapper (mono_resolve_iface_call, "mono_resolve_iface_call", "ptr object int ptr ptr");
3477 register_icall_no_wrapper (mono_resolve_vcall, "mono_resolve_vcall", "ptr object int ptr");
3478 register_icall (mono_init_delegate, "mono_init_delegate", "void object object ptr", TRUE);
3479 register_icall (mono_init_delegate_virtual, "mono_init_delegate_virtual", "void object object ptr", TRUE);
3480 register_icall (mono_get_assembly_object, "mono_get_assembly_object", "object ptr", TRUE);
3483 register_icall (pthread_getspecific, "pthread_getspecific", "ptr ptr", TRUE);
3487 MonoJitStats mono_jit_stats = {0};
3490 print_jit_stats (void)
3492 if (mono_jit_stats.enabled) {
3493 g_print ("Mono Jit statistics\n");
3494 g_print ("Max code size ratio: %.2f (%s)\n", mono_jit_stats.max_code_size_ratio/100.0,
3495 mono_jit_stats.max_ratio_method);
3496 g_print ("Biggest method: %ld (%s)\n", mono_jit_stats.biggest_method_size,
3497 mono_jit_stats.biggest_method);
3499 g_print ("Delegates created: %ld\n", mono_stats.delegate_creations);
3500 g_print ("Initialized classes: %ld\n", mono_stats.initialized_class_count);
3501 g_print ("Used classes: %ld\n", mono_stats.used_class_count);
3502 g_print ("Generic vtables: %ld\n", mono_stats.generic_vtable_count);
3503 g_print ("Methods: %ld\n", mono_stats.method_count);
3504 g_print ("Static data size: %ld\n", mono_stats.class_static_data_size);
3505 g_print ("VTable data size: %ld\n", mono_stats.class_vtable_size);
3506 g_print ("Mscorlib mempool size: %d\n", mono_mempool_get_allocated (mono_defaults.corlib->mempool));
3508 g_print ("\nInitialized classes: %ld\n", mono_stats.generic_class_count);
3509 g_print ("Inflated types: %ld\n", mono_stats.inflated_type_count);
3510 g_print ("Generics virtual invokes: %ld\n", mono_jit_stats.generic_virtual_invocations);
3512 g_print ("Sharable generic methods: %ld\n", mono_stats.generics_sharable_methods);
3513 g_print ("Unsharable generic methods: %ld\n", mono_stats.generics_unsharable_methods);
3514 g_print ("Shared generic methods: %ld\n", mono_stats.generics_shared_methods);
3515 g_print ("Shared vtype generic methods: %ld\n", mono_stats.gsharedvt_methods);
3517 g_print ("IMT tables size: %ld\n", mono_stats.imt_tables_size);
3518 g_print ("IMT number of tables: %ld\n", mono_stats.imt_number_of_tables);
3519 g_print ("IMT number of methods: %ld\n", mono_stats.imt_number_of_methods);
3520 g_print ("IMT used slots: %ld\n", mono_stats.imt_used_slots);
3521 g_print ("IMT colliding slots: %ld\n", mono_stats.imt_slots_with_collisions);
3522 g_print ("IMT max collisions: %ld\n", mono_stats.imt_max_collisions_in_slot);
3523 g_print ("IMT methods at max col: %ld\n", mono_stats.imt_method_count_when_max_collisions);
3524 g_print ("IMT thunks size: %ld\n", mono_stats.imt_thunks_size);
3526 g_print ("JIT info table inserts: %ld\n", mono_stats.jit_info_table_insert_count);
3527 g_print ("JIT info table removes: %ld\n", mono_stats.jit_info_table_remove_count);
3528 g_print ("JIT info table lookups: %ld\n", mono_stats.jit_info_table_lookup_count);
3530 g_free (mono_jit_stats.max_ratio_method);
3531 mono_jit_stats.max_ratio_method = NULL;
3532 g_free (mono_jit_stats.biggest_method);
3533 mono_jit_stats.biggest_method = NULL;
3538 mini_cleanup (MonoDomain *domain)
3540 mono_runtime_shutdown_stat_profiler ();
3543 cominterop_release_all_rcws ();
3546 #ifndef MONO_CROSS_COMPILE
3548 * mono_domain_finalize () needs to be called early since it needs the
3549 * execution engine still fully working (it may invoke managed finalizers).
3551 mono_domain_finalize (domain, 2000);
3554 /* This accesses metadata so needs to be called before runtime shutdown */
3557 mono_profiler_shutdown ();
3559 #ifndef MONO_CROSS_COMPILE
3560 mono_runtime_cleanup (domain);
3563 free_jit_tls_data (mono_native_tls_get_value (mono_jit_tls_id));
3565 mono_icall_cleanup ();
3567 mono_runtime_cleanup_handlers ();
3569 #ifndef MONO_CROSS_COMPILE
3570 mono_domain_free (domain, TRUE);
3575 mono_llvm_cleanup ();
3578 mono_aot_cleanup ();
3580 mono_trampolines_cleanup ();
3582 mono_unwind_cleanup ();
3584 mono_code_manager_destroy (global_codeman);
3585 g_free (vtable_trampolines);
3587 mini_jit_cleanup ();
3589 mono_tramp_info_cleanup ();
3591 mono_arch_cleanup ();
3593 mono_generic_sharing_cleanup ();
3597 mono_trace_cleanup ();
3599 mono_counters_dump (MONO_COUNTER_SECTION_MASK | MONO_COUNTER_MONOTONIC, stdout);
3601 if (mono_inject_async_exc_method)
3602 mono_method_desc_free (mono_inject_async_exc_method);
3604 mono_native_tls_free (mono_jit_tls_id);
3606 mono_os_mutex_destroy (&jit_mutex);
3608 mono_code_manager_cleanup ();
3610 #ifdef USE_JUMP_TABLES
3611 mono_jumptable_cleanup ();
3616 mono_set_defaults (int verbose_level, guint32 opts)
3618 mini_verbose = verbose_level;
3619 mono_set_optimizations (opts);
3623 mono_disable_optimizations (guint32 opts)
3625 default_opt &= ~opts;
3629 mono_set_optimizations (guint32 opts)
3632 default_opt_set = TRUE;
3633 #ifdef MONO_ARCH_GSHAREDVT_SUPPORTED
3634 mono_set_generic_sharing_vt_supported (mono_aot_only || ((default_opt & MONO_OPT_GSHAREDVT) != 0));
3639 mono_set_verbose_level (guint32 level)
3641 mini_verbose = level;
3645 * mono_get_runtime_build_info:
3647 * Return the runtime version + build date in string format.
3648 * The returned string is owned by the caller. The returned string
3649 * format is "VERSION (FULL_VERSION BUILD_DATE)" and build date is optional.
3652 mono_get_runtime_build_info (void)
3654 if (mono_build_date)
3655 return g_strdup_printf ("%s (%s %s)", VERSION, FULL_VERSION, mono_build_date);
3657 return g_strdup_printf ("%s (%s)", VERSION, FULL_VERSION);
3661 mono_precompile_assembly (MonoAssembly *ass, void *user_data)
3663 GHashTable *assemblies = (GHashTable*)user_data;
3664 MonoImage *image = mono_assembly_get_image (ass);
3665 MonoMethod *method, *invoke;
3668 if (g_hash_table_lookup (assemblies, ass))
3671 g_hash_table_insert (assemblies, ass, ass);
3673 if (mini_verbose > 0)
3674 printf ("PRECOMPILE: %s.\n", mono_image_get_filename (image));
3676 for (i = 0; i < mono_image_get_table_rows (image, MONO_TABLE_METHOD); ++i) {
3677 method = mono_get_method (image, MONO_TOKEN_METHOD_DEF | (i + 1), NULL);
3678 if (method->flags & METHOD_ATTRIBUTE_ABSTRACT)
3680 if (method->is_generic || method->klass->generic_container)
3684 if (mini_verbose > 1) {
3685 char * desc = mono_method_full_name (method, TRUE);
3686 g_print ("Compiling %d %s\n", count, desc);
3689 mono_compile_method (method);
3690 if (strcmp (method->name, "Finalize") == 0) {
3691 invoke = mono_marshal_get_runtime_invoke (method, FALSE, FALSE);
3692 mono_compile_method (invoke);
3694 #ifndef DISABLE_REMOTING
3695 if (mono_class_is_marshalbyref (method->klass) && mono_method_signature (method)->hasthis) {
3696 invoke = mono_marshal_get_remoting_invoke_with_check (method);
3697 mono_compile_method (invoke);
3702 /* Load and precompile referenced assemblies as well */
3703 for (i = 0; i < mono_image_get_table_rows (image, MONO_TABLE_ASSEMBLYREF); ++i) {
3704 mono_assembly_load_reference (image, i);
3705 if (image->references [i])
3706 mono_precompile_assembly (image->references [i], assemblies);
3710 void mono_precompile_assemblies ()
3712 GHashTable *assemblies = g_hash_table_new (NULL, NULL);
3714 mono_assembly_foreach ((GFunc)mono_precompile_assembly, assemblies);
3716 g_hash_table_destroy (assemblies);
3721 * Have to export this for AOT.
3724 mono_personality (void)
3727 g_assert_not_reached ();
3730 #ifdef USE_JUMP_TABLES
3731 #define DEFAULT_JUMPTABLE_CHUNK_ELEMENTS 128
3733 typedef struct MonoJumpTableChunk {
3736 struct MonoJumpTableChunk *previous;
3737 /* gpointer entries[total]; */
3738 } MonoJumpTableChunk;
3740 static MonoJumpTableChunk* g_jumptable;
3741 #define mono_jumptable_lock() mono_os_mutex_lock (&jumptable_mutex)
3742 #define mono_jumptable_unlock() mono_os_mutex_unlock (&jumptable_mutex)
3743 static mono_mutex_t jumptable_mutex;
3745 static MonoJumpTableChunk*
3746 mono_create_jumptable_chunk (guint32 max_entries)
3748 guint32 size = sizeof (MonoJumpTableChunk) + max_entries * sizeof(gpointer);
3749 MonoJumpTableChunk *chunk = (MonoJumpTableChunk*) g_new0 (guchar, size);
3750 chunk->total = max_entries;
3755 mono_jumptable_init (void)
3757 if (g_jumptable == NULL) {
3758 mono_os_mutex_init_recursive (&jumptable_mutex);
3759 g_jumptable = mono_create_jumptable_chunk (DEFAULT_JUMPTABLE_CHUNK_ELEMENTS);
3764 mono_jumptable_add_entry (void)
3766 return mono_jumptable_add_entries (1);
3770 mono_jumptable_add_entries (guint32 entries)
3775 mono_jumptable_init ();
3776 mono_jumptable_lock ();
3777 index = g_jumptable->active;
3778 if (index + entries >= g_jumptable->total) {
3780 * Grow jumptable, by adding one more chunk.
3781 * We cannot realloc jumptable, as there could be pointers
3782 * to existing jump table entries in the code, so instead
3783 * we just add one more chunk.
3785 guint32 max_entries = entries;
3786 MonoJumpTableChunk *new_chunk;
3788 if (max_entries < DEFAULT_JUMPTABLE_CHUNK_ELEMENTS)
3789 max_entries = DEFAULT_JUMPTABLE_CHUNK_ELEMENTS;
3790 new_chunk = mono_create_jumptable_chunk (max_entries);
3791 /* Link old jumptable, so that we could free it up later. */
3792 new_chunk->previous = g_jumptable;
3793 g_jumptable = new_chunk;
3796 g_jumptable->active = index + entries;
3797 result = (gpointer*)((guchar*)g_jumptable + sizeof(MonoJumpTableChunk)) + index;
3798 mono_jumptable_unlock();
3804 mono_jumptable_cleanup (void)
3807 MonoJumpTableChunk *current = g_jumptable, *prev;
3808 while (current != NULL) {
3809 prev = current->previous;
3814 mono_os_mutex_destroy (&jumptable_mutex);
3819 mono_jumptable_get_entry (guint8 *code_ptr)
3821 return mono_arch_jumptable_entry_from_code (code_ptr);