3 * mini-runtime.c: Runtime code for the JIT
6 * Paolo Molaro (lupus@ximian.com)
7 * Dietmar Maurer (dietmar@ximian.com)
9 * Copyright 2002-2003 Ximian, Inc.
10 * Copyright 2003-2010 Novell, Inc.
11 * Copyright 2011-2015 Xamarin, Inc (http://www.xamarin.com)
12 * Licensed under the MIT license. See LICENSE file in the project root for full license information.
23 #ifdef HAVE_SYS_TIME_H
30 #include <mono/utils/memcheck.h>
32 #include <mono/metadata/assembly.h>
33 #include <mono/metadata/loader.h>
34 #include <mono/metadata/tabledefs.h>
35 #include <mono/metadata/class.h>
36 #include <mono/metadata/object.h>
37 #include <mono/metadata/tokentype.h>
38 #include <mono/metadata/tabledefs.h>
39 #include <mono/metadata/threads.h>
40 #include <mono/metadata/appdomain.h>
41 #include <mono/metadata/debug-helpers.h>
42 #include "mono/metadata/profiler.h"
43 #include <mono/metadata/profiler-private.h>
44 #include <mono/metadata/mono-config.h>
45 #include <mono/metadata/environment.h>
46 #include <mono/metadata/mono-debug.h>
47 #include <mono/metadata/gc-internals.h>
48 #include <mono/metadata/threads-types.h>
49 #include <mono/metadata/mempool-internals.h>
50 #include <mono/metadata/attach.h>
51 #include <mono/metadata/runtime.h>
52 #include <mono/metadata/reflection-internals.h>
53 #include <mono/metadata/monitor.h>
54 #include <mono/utils/mono-math.h>
55 #include <mono/utils/mono-compiler.h>
56 #include <mono/utils/mono-counters.h>
57 #include <mono/utils/mono-error-internals.h>
58 #include <mono/utils/mono-logger-internals.h>
59 #include <mono/utils/mono-mmap.h>
60 #include <mono/utils/mono-path.h>
61 #include <mono/utils/mono-tls.h>
62 #include <mono/utils/mono-hwcap.h>
63 #include <mono/utils/dtrace.h>
64 #include <mono/utils/mono-signal-handler.h>
65 #include <mono/utils/mono-threads.h>
66 #include <mono/utils/checked-build.h>
67 #include <mono/io-layer/io-layer.h>
70 #include "seq-points.h"
77 #include "jit-icalls.h"
80 #include "mini-llvm.h"
81 #include "debugger-agent.h"
83 #ifdef MONO_ARCH_LLVM_SUPPORTED
85 #include "mini-llvm-cpp.h"
90 static guint32 default_opt = 0;
91 static gboolean default_opt_set = FALSE;
93 MonoNativeTlsKey mono_jit_tls_id;
95 #ifdef MONO_HAVE_FAST_TLS
96 MONO_FAST_TLS_DECLARE(mono_jit_tls);
99 gboolean mono_compile_aot = FALSE;
100 /* If this is set, no code is generated dynamically, everything is taken from AOT files */
101 gboolean mono_aot_only = FALSE;
102 /* Same as mono_aot_only, but only LLVM compiled code is used, no trampolines */
103 gboolean mono_llvm_only = FALSE;
104 MonoAotMode mono_aot_mode = MONO_AOT_MODE_NONE;
106 const char *mono_build_date;
107 gboolean mono_do_signal_chaining;
108 gboolean mono_do_crash_chaining;
109 int mini_verbose = 0;
112 * This flag controls whenever the runtime uses LLVM for JIT compilation, and whenever
113 * it can load AOT code compiled by LLVM.
115 gboolean mono_use_llvm = FALSE;
117 #define mono_jit_lock() mono_os_mutex_lock (&jit_mutex)
118 #define mono_jit_unlock() mono_os_mutex_unlock (&jit_mutex)
119 static mono_mutex_t jit_mutex;
121 static MonoCodeManager *global_codeman;
123 MonoDebugOptions debug_options;
125 #ifdef VALGRIND_JIT_REGISTER_MAP
126 int valgrind_register;
129 static GSList *tramp_infos;
131 static void register_icalls (void);
134 mono_running_on_valgrind (void)
137 if (RUNNING_ON_VALGRIND){
138 #ifdef VALGRIND_JIT_REGISTER_MAP
139 valgrind_register = TRUE;
153 find_tramp (gpointer key, gpointer value, gpointer user_data)
155 FindTrampUserData *ud = (FindTrampUserData*)user_data;
158 ud->method = (MonoMethod*)key;
162 G_GNUC_UNUSED static char*
163 get_method_from_ip (void *ip)
168 MonoDomain *domain = mono_domain_get ();
169 MonoDebugSourceLocation *location;
170 FindTrampUserData user_data;
173 domain = mono_get_root_domain ();
175 ji = mono_jit_info_table_find_internal (domain, (char *)ip, TRUE, TRUE);
178 user_data.method = NULL;
179 mono_domain_lock (domain);
180 g_hash_table_foreach (domain_jit_info (domain)->jit_trampoline_hash, find_tramp, &user_data);
181 mono_domain_unlock (domain);
182 if (user_data.method) {
183 char *mname = mono_method_full_name (user_data.method, TRUE);
184 res = g_strdup_printf ("<%p - JIT trampoline for %s>", ip, mname);
190 } else if (ji->is_trampoline) {
191 res = g_strdup_printf ("<%p - %s trampoline>", ip, ((MonoTrampInfo*)ji->d.tramp_info)->name);
195 method = mono_method_full_name (jinfo_get_method (ji), TRUE);
196 /* FIXME: unused ? */
197 location = mono_debug_lookup_source_location (jinfo_get_method (ji), (guint32)((guint8*)ip - (guint8*)ji->code_start), domain);
199 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);
201 mono_debug_free_source_location (location);
209 * @ip: an instruction pointer address
211 * This method is used from a debugger to get the name of the
212 * method at address @ip. This routine is typically invoked from
213 * a debugger like this:
215 * (gdb) print mono_pmip ($pc)
217 * Returns: the name of the method at address @ip.
222 return get_method_from_ip (ip);
226 * mono_print_method_from_ip
227 * @ip: an instruction pointer address
229 * This method is used from a debugger to get the name of the
230 * method at address @ip.
232 * This prints the name of the method at address @ip in the standard
233 * output. Unlike mono_pmip which returns a string, this routine
234 * prints the value on the standard output.
237 /* Prevent the linker from optimizing this away in embedding setups to help debugging */
238 __attribute__((used))
241 mono_print_method_from_ip (void *ip)
245 MonoDebugSourceLocation *source;
246 MonoDomain *domain = mono_domain_get ();
247 MonoDomain *target_domain = mono_domain_get ();
248 FindTrampUserData user_data;
249 MonoGenericSharingContext*gsctx;
250 const char *shared_type;
252 ji = mini_jit_info_table_find_ext (domain, (char *)ip, TRUE, &target_domain);
253 if (ji && ji->is_trampoline) {
254 MonoTrampInfo *tinfo = (MonoTrampInfo *)ji->d.tramp_info;
256 printf ("IP %p is at offset 0x%x of trampoline '%s'.\n", ip, (int)((guint8*)ip - tinfo->code), tinfo->name);
262 user_data.method = NULL;
263 mono_domain_lock (domain);
264 g_hash_table_foreach (domain_jit_info (domain)->jit_trampoline_hash, find_tramp, &user_data);
265 mono_domain_unlock (domain);
267 if (user_data.method) {
268 char *mname = mono_method_full_name (user_data.method, TRUE);
269 printf ("IP %p is a JIT trampoline for %s\n", ip, mname);
274 g_print ("No method at %p\n", ip);
278 method = mono_method_full_name (jinfo_get_method (ji), TRUE);
279 source = mono_debug_lookup_source_location (jinfo_get_method (ji), (guint32)((guint8*)ip - (guint8*)ji->code_start), target_domain);
281 gsctx = mono_jit_info_get_generic_sharing_context (ji);
284 if (gsctx->is_gsharedvt)
285 shared_type = "gsharedvt ";
287 shared_type = "gshared ";
290 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);
293 g_print ("%s:%d\n", source->source_file, source->row);
296 mono_debug_free_source_location (source);
301 * mono_method_same_domain:
303 * Determine whenever two compiled methods are in the same domain, thus
304 * the address of the callee can be embedded in the caller.
306 gboolean mono_method_same_domain (MonoJitInfo *caller, MonoJitInfo *callee)
310 if (!caller || caller->is_trampoline || !callee || callee->is_trampoline)
314 * If the call was made from domain-neutral to domain-specific
315 * code, we can't patch the call site.
317 if (caller->domain_neutral && !callee->domain_neutral)
320 cmethod = jinfo_get_method (caller);
321 if ((cmethod->klass == mono_defaults.appdomain_class) &&
322 (strstr (cmethod->name, "InvokeInDomain"))) {
323 /* The InvokeInDomain methods change the current appdomain */
331 * mono_global_codeman_reserve:
333 * Allocate code memory from the global code manager.
335 void *mono_global_codeman_reserve (int size)
340 g_error ("Attempting to allocate from the global code manager while running with --aot-only.\n");
342 if (!global_codeman) {
343 /* This can happen during startup */
344 global_codeman = mono_code_manager_new ();
345 return mono_code_manager_reserve (global_codeman, size);
349 ptr = mono_code_manager_reserve (global_codeman, size);
355 #if defined(__native_client_codegen__) && defined(__native_client__)
359 #ifdef __native_client_gc__
360 __nacl_suspend_thread_if_needed();
364 /* Given the temporary buffer (allocated by mono_global_codeman_reserve) into
365 * which we are generating code, return a pointer to the destination in the
366 * dynamic code segment into which the code will be copied when
367 * mono_global_codeman_commit is called.
368 * LOCKING: Acquires the jit lock.
371 nacl_global_codeman_get_dest (void *data)
375 dest = nacl_code_manager_get_code_dest (global_codeman, data);
381 mono_global_codeman_commit (void *data, int size, int newsize)
384 mono_code_manager_commit (global_codeman, data, size, newsize);
389 * Convenience function which calls mono_global_codeman_commit to validate and
390 * copy the code. The caller sets *buf_base and *buf_size to the start and size
391 * of the buffer (allocated by mono_global_codeman_reserve), and *code_end to
392 * the byte after the last instruction byte. On return, *buf_base will point to
393 * the start of the copied in the code segment, and *code_end will point after
394 * the end of the copied code.
397 nacl_global_codeman_validate (guint8 **buf_base, int buf_size, guint8 **code_end)
399 guint8 *tmp = nacl_global_codeman_get_dest (*buf_base);
400 mono_global_codeman_commit (*buf_base, buf_size, *code_end - *buf_base);
401 *code_end = tmp + (*code_end - *buf_base);
405 /* no-op versions of Native Client functions */
407 nacl_global_codeman_get_dest (void *data)
413 mono_global_codeman_commit (void *data, int size, int newsize)
418 nacl_global_codeman_validate (guint8 **buf_base, int buf_size, guint8 **code_end)
422 #endif /* __native_client__ */
425 * mono_create_unwind_op:
427 * Create an unwind op with the given parameters.
430 mono_create_unwind_op (int when, int tag, int reg, int val)
432 MonoUnwindOp *op = g_new0 (MonoUnwindOp, 1);
443 mono_jump_info_token_new2 (MonoMemPool *mp, MonoImage *image, guint32 token, MonoGenericContext *context)
445 MonoJumpInfoToken *res = (MonoJumpInfoToken *)mono_mempool_alloc0 (mp, sizeof (MonoJumpInfoToken));
448 res->has_context = context != NULL;
450 memcpy (&res->context, context, sizeof (MonoGenericContext));
456 mono_jump_info_token_new (MonoMemPool *mp, MonoImage *image, guint32 token)
458 return mono_jump_info_token_new2 (mp, image, token, NULL);
462 * mono_tramp_info_create:
464 * Create a MonoTrampInfo structure from the arguments. This function assumes ownership
465 * of JI, and UNWIND_OPS.
468 mono_tramp_info_create (const char *name, guint8 *code, guint32 code_size, MonoJumpInfo *ji, GSList *unwind_ops)
470 MonoTrampInfo *info = g_new0 (MonoTrampInfo, 1);
472 info->name = g_strdup ((char*)name);
474 info->code_size = code_size;
476 info->unwind_ops = unwind_ops;
482 mono_tramp_info_free (MonoTrampInfo *info)
487 mono_free_unwind_info (info->unwind_ops);
492 register_trampoline_jit_info (MonoDomain *domain, MonoTrampInfo *info)
496 ji = (MonoJitInfo *)mono_domain_alloc0 (domain, mono_jit_info_size ((MonoJitInfoFlags)0, 0, 0));
497 mono_jit_info_init (ji, NULL, info->code, info->code_size, (MonoJitInfoFlags)0, 0, 0);
498 ji->d.tramp_info = info;
499 ji->is_trampoline = TRUE;
501 ji->unwind_info = mono_cache_unwind_info (info->uw_info, info->uw_info_len);
503 mono_jit_info_table_add (domain, ji);
507 * mono_tramp_info_register:
509 * Remember INFO for use by xdebug, mono_print_method_from_ip (), jit maps, etc.
514 mono_tramp_info_register (MonoTrampInfo *info, MonoDomain *domain)
522 domain = mono_get_root_domain ();
524 copy = g_new0 (MonoTrampInfo, 1);
525 copy->code = info->code;
526 copy->code_size = info->code_size;
527 copy->name = g_strdup (info->name);
529 if (info->unwind_ops) {
530 copy->uw_info = mono_unwind_ops_encode (info->unwind_ops, ©->uw_info_len);
532 /* Trampolines from aot have the unwind ops already encoded */
533 copy->uw_info = info->uw_info;
534 copy->uw_info_len = info->uw_info_len;
538 tramp_infos = g_slist_prepend (tramp_infos, copy);
541 mono_save_trampoline_xdebug_info (info);
543 /* Only register trampolines that have unwind infos */
544 if (mono_get_root_domain () && copy->uw_info)
545 register_trampoline_jit_info (domain, copy);
547 if (mono_jit_map_is_enabled ())
548 mono_emit_jit_tramp (info->code, info->code_size, info->name);
550 mono_tramp_info_free (info);
554 mono_tramp_info_cleanup (void)
558 for (l = tramp_infos; l; l = l->next) {
559 MonoTrampInfo *info = (MonoTrampInfo *)l->data;
561 mono_tramp_info_free (info);
563 g_slist_free (tramp_infos);
566 /* Register trampolines created before the root domain was created in the jit info tables */
568 register_trampolines (MonoDomain *domain)
572 for (l = tramp_infos; l; l = l->next) {
573 MonoTrampInfo *info = (MonoTrampInfo *)l->data;
575 register_trampoline_jit_info (domain, info);
579 G_GNUC_UNUSED static void
585 * Runtime debugging tool, use if (debug_count ()) <x> else <y> to do <x> the first COUNT times, then do <y> afterwards.
586 * Set a breakpoint in break_count () to break the last time <x> is done.
588 G_GNUC_UNUSED gboolean
589 mono_debug_count (void)
591 static int count = 0;
592 static gboolean inited;
593 static const char *value;
598 value = g_getenv ("COUNT");
605 if (count == atoi (value))
608 if (count > atoi (value))
615 mono_icall_get_wrapper_full (MonoJitICallInfo* callinfo, gboolean do_compile)
619 gconstpointer trampoline;
620 MonoDomain *domain = mono_get_root_domain ();
621 gboolean check_exc = TRUE;
623 if (callinfo->wrapper)
624 return callinfo->wrapper;
626 if (callinfo->trampoline)
627 return callinfo->trampoline;
629 if (!strcmp (callinfo->name, "mono_thread_interruption_checkpoint"))
630 /* This icall is used to check for exceptions, so don't check in the wrapper */
633 name = g_strdup_printf ("__icall_wrapper_%s", callinfo->name);
634 wrapper = mono_marshal_get_icall_wrapper (callinfo->sig, name, callinfo->func, check_exc);
638 trampoline = mono_compile_method (wrapper);
642 trampoline = mono_create_jit_trampoline (domain, wrapper, &error);
643 mono_error_assert_ok (&error);
644 trampoline = mono_create_ftnptr (domain, (gpointer)trampoline);
648 if (!callinfo->trampoline) {
649 mono_register_jit_icall_wrapper (callinfo, trampoline);
650 callinfo->trampoline = trampoline;
652 mono_loader_unlock ();
654 return callinfo->trampoline;
658 mono_icall_get_wrapper (MonoJitICallInfo* callinfo)
660 return mono_icall_get_wrapper_full (callinfo, FALSE);
663 static MonoJitDynamicMethodInfo*
664 mono_dynamic_code_hash_lookup (MonoDomain *domain, MonoMethod *method)
666 MonoJitDynamicMethodInfo *res;
668 if (domain_jit_info (domain)->dynamic_code_hash)
669 res = (MonoJitDynamicMethodInfo *)g_hash_table_lookup (domain_jit_info (domain)->dynamic_code_hash, method);
676 register_opcode_emulation (int opcode, const char *name, const char *sigstr, gpointer func, const char *symbol, gboolean no_throw)
679 mini_register_opcode_emulation (opcode, name, sigstr, func, symbol, no_throw);
681 MonoMethodSignature *sig = mono_create_icall_signature (sigstr);
683 g_assert (!sig->hasthis);
684 g_assert (sig->param_count < 3);
686 /* Opcode emulation functions are assumed to don't call mono_raise_exception () */
687 mono_register_jit_icall_full (func, name, sig, no_throw, TRUE, symbol);
692 * For JIT icalls implemented in C.
693 * NAME should be the same as the name of the C function whose address is FUNC.
694 * If @avoid_wrapper is TRUE, no wrapper is generated. This is for perf critical icalls which
695 * can't throw exceptions.
698 register_icall (gpointer func, const char *name, const char *sigstr, gboolean avoid_wrapper)
700 MonoMethodSignature *sig;
703 sig = mono_create_icall_signature (sigstr);
707 mono_register_jit_icall_full (func, name, sig, avoid_wrapper, FALSE, avoid_wrapper ? name : NULL);
711 register_icall_no_wrapper (gpointer func, const char *name, const char *sigstr)
713 MonoMethodSignature *sig;
716 sig = mono_create_icall_signature (sigstr);
720 mono_register_jit_icall_full (func, name, sig, TRUE, FALSE, name);
724 register_icall_with_wrapper (gpointer func, const char *name, const char *sigstr)
726 MonoMethodSignature *sig;
729 sig = mono_create_icall_signature (sigstr);
733 mono_register_jit_icall_full (func, name, sig, FALSE, FALSE, NULL);
737 register_dyn_icall (gpointer func, const char *name, const char *sigstr, gboolean save)
739 MonoMethodSignature *sig;
742 sig = mono_create_icall_signature (sigstr);
746 mono_register_jit_icall (func, name, sig, save);
749 #ifdef MONO_HAVE_FAST_TLS
750 MONO_FAST_TLS_DECLARE(mono_lmf_addr);
751 #ifdef MONO_ARCH_ENABLE_MONO_LMF_VAR
753 * When this is defined, the current lmf is stored in this tls variable instead of in
756 MONO_FAST_TLS_DECLARE(mono_lmf);
761 mono_get_jit_tls_offset (void)
767 offset = mono_jit_tls_id;
769 /* FIXME: Happens during startup */
772 MONO_THREAD_VAR_OFFSET (mono_jit_tls, offset);
778 mono_get_lmf_tls_offset (void)
780 #if defined(MONO_ARCH_ENABLE_MONO_LMF_VAR)
782 MONO_THREAD_VAR_OFFSET(mono_lmf,offset);
790 mono_get_lmf_addr_tls_offset (void)
793 MONO_THREAD_VAR_OFFSET(mono_lmf_addr,offset);
800 #if defined(MONO_HAVE_FAST_TLS) && defined(MONO_ARCH_ENABLE_MONO_LMF_VAR)
801 return (MonoLMF *)MONO_FAST_TLS_GET (mono_lmf);
803 MonoJitTlsData *jit_tls;
805 if ((jit_tls = mono_native_tls_get_value (mono_jit_tls_id)))
808 * We do not assert here because this function can be called from
809 * mini-gc.c on a thread that has not executed any managed code, yet
810 * (the thread object allocation can trigger a collection).
817 mono_get_lmf_addr (void)
819 #ifdef MONO_HAVE_FAST_TLS
820 return (MonoLMF **)MONO_FAST_TLS_GET (mono_lmf_addr);
822 MonoJitTlsData *jit_tls;
824 jit_tls = mono_native_tls_get_value (mono_jit_tls_id);
825 if (G_LIKELY (jit_tls))
826 return &jit_tls->lmf;
829 * When resolving the call to mono_jit_thread_attach full-aot will look
830 * in the plt, which causes a call into the generic trampoline, which in turn
831 * tries to resolve the lmf_addr creating a cyclic dependency. We cannot
832 * call mono_jit_thread_attach from the native-to-managed wrapper, without
833 * mono_get_lmf_addr, and mono_get_lmf_addr requires the thread to be attached.
836 mono_thread_attach (mono_get_root_domain ());
837 mono_thread_set_state (mono_thread_internal_current (), ThreadState_Background);
839 if ((jit_tls = mono_native_tls_get_value (mono_jit_tls_id)))
840 return &jit_tls->lmf;
842 g_assert_not_reached ();
848 mono_set_lmf (MonoLMF *lmf)
850 #if defined(MONO_HAVE_FAST_TLS) && defined(MONO_ARCH_ENABLE_MONO_LMF_VAR)
851 MONO_FAST_TLS_SET (mono_lmf, lmf);
854 (*mono_get_lmf_addr ()) = lmf;
858 mono_get_jit_tls (void)
860 return (MonoJitTlsData *)mono_native_tls_get_value (mono_jit_tls_id);
864 mono_set_jit_tls (MonoJitTlsData *jit_tls)
866 MonoThreadInfo *info;
868 mono_native_tls_set_value (mono_jit_tls_id, jit_tls);
870 #ifdef MONO_HAVE_FAST_TLS
871 MONO_FAST_TLS_SET (mono_jit_tls, jit_tls);
874 /* Save it into MonoThreadInfo so it can be accessed by mono_thread_state_init_from_handle () */
875 info = mono_thread_info_current ();
877 mono_thread_info_tls_set (info, TLS_KEY_JIT_TLS, jit_tls);
881 mono_set_lmf_addr (gpointer lmf_addr)
883 MonoThreadInfo *info;
885 #ifdef MONO_HAVE_FAST_TLS
886 MONO_FAST_TLS_SET (mono_lmf_addr, lmf_addr);
889 /* Save it into MonoThreadInfo so it can be accessed by mono_thread_state_init_from_handle () */
890 info = mono_thread_info_current ();
892 mono_thread_info_tls_set (info, TLS_KEY_LMF_ADDR, lmf_addr);
896 * mono_jit_thread_attach: called by native->managed wrappers
900 * - @return: the original domain which needs to be restored, or NULL.
903 * - @dummy: contains the original domain
904 * - @return: a cookie containing current MonoThreadInfo* if it was in BLOCKING mode, NULL otherwise
907 mono_jit_thread_attach (MonoDomain *domain, gpointer *dummy)
912 /* Happens when called from AOTed code which is only used in the root domain. */
913 domain = mono_get_root_domain ();
918 if (!mono_threads_is_coop_enabled ()) {
921 #ifdef MONO_HAVE_FAST_TLS
922 attached = MONO_FAST_TLS_GET (mono_lmf_addr) != NULL;
924 attached = mono_native_tls_get_value (mono_jit_tls_id) != NULL;
928 mono_thread_attach (domain);
931 mono_thread_set_state (mono_thread_internal_current (), ThreadState_Background);
934 orig = mono_domain_get ();
936 mono_domain_set (domain, TRUE);
938 return orig != domain ? orig : NULL;
940 MonoThreadInfo *info;
942 info = mono_thread_info_current_unchecked ();
943 if (!info || !mono_thread_info_is_live (info)) {
944 /* thread state STARTING -> RUNNING */
945 mono_thread_attach (domain);
948 mono_thread_set_state (mono_thread_internal_current (), ThreadState_Background);
952 /* mono_threads_reset_blocking_start returns the current MonoThreadInfo
953 * if we were in BLOCKING mode */
954 return mono_thread_info_current ();
956 orig = mono_domain_get ();
958 /* orig might be null if we did an attach -> detach -> attach sequence */
961 mono_domain_set (domain, TRUE);
965 /* thread state (BLOCKING|RUNNING) -> RUNNING */
966 return mono_threads_reset_blocking_start (dummy);
972 * mono_jit_thread_detach: called by native->managed wrappers
975 * - @cookie: the original domain which needs to be restored, or NULL.
979 * - @cookie: contains current MonoThreadInfo* if it was in BLOCKING mode, NULL otherwise
980 * - @dummy: contains the original domain
983 mono_jit_thread_detach (gpointer cookie, gpointer *dummy)
985 MonoDomain *domain, *orig;
987 if (!mono_threads_is_coop_enabled ()) {
988 orig = (MonoDomain*) cookie;
991 mono_domain_set (orig, TRUE);
993 orig = (MonoDomain*) *dummy;
995 domain = mono_domain_get ();
998 /* it won't do anything if cookie is NULL
999 * thread state RUNNING -> (RUNNING|BLOCKING) */
1000 mono_threads_reset_blocking_end (cookie, dummy);
1002 if (orig != domain) {
1004 mono_domain_unset ();
1006 mono_domain_set (orig, TRUE);
1012 * mono_thread_abort:
1013 * @obj: exception object
1015 * abort the thread, print exception information and stack trace
1018 mono_thread_abort (MonoObject *obj)
1020 /* MonoJitTlsData *jit_tls = mono_native_tls_get_value (mono_jit_tls_id); */
1022 /* handle_remove should be eventually called for this thread, too
1025 if ((mono_runtime_unhandled_exception_policy_get () == MONO_UNHANDLED_POLICY_LEGACY) ||
1026 (obj->vtable->klass == mono_defaults.threadabortexception_class)) {
1027 mono_thread_exit ();
1029 mono_invoke_unhandled_exception_hook (obj);
1034 setup_jit_tls_data (gpointer stack_start, gpointer abort_func)
1036 MonoJitTlsData *jit_tls;
1039 jit_tls = (MonoJitTlsData *)mono_native_tls_get_value (mono_jit_tls_id);
1043 jit_tls = g_new0 (MonoJitTlsData, 1);
1045 jit_tls->abort_func = (void (*)(MonoObject *))abort_func;
1046 jit_tls->end_of_stack = stack_start;
1048 mono_set_jit_tls (jit_tls);
1050 lmf = g_new0 (MonoLMF, 1);
1051 MONO_ARCH_INIT_TOP_LMF_ENTRY (lmf);
1053 jit_tls->first_lmf = lmf;
1055 #if defined(MONO_HAVE_FAST_TLS) && defined(MONO_ARCH_ENABLE_MONO_LMF_VAR)
1056 /* jit_tls->lmf is unused */
1057 MONO_FAST_TLS_SET (mono_lmf, lmf);
1058 mono_set_lmf_addr (MONO_FAST_TLS_ADDR (mono_lmf));
1060 mono_set_lmf_addr (&jit_tls->lmf);
1065 #ifdef MONO_ARCH_HAVE_TLS_INIT
1066 mono_arch_tls_init ();
1069 mono_setup_altstack (jit_tls);
1075 free_jit_tls_data (MonoJitTlsData *jit_tls)
1077 mono_arch_free_jit_tls_data (jit_tls);
1078 mono_free_altstack (jit_tls);
1080 g_free (jit_tls->first_lmf);
1085 mono_thread_start_cb (intptr_t tid, gpointer stack_start, gpointer func)
1087 MonoThreadInfo *thread;
1088 void *jit_tls = setup_jit_tls_data (stack_start, mono_thread_abort);
1089 thread = mono_thread_info_current_unchecked ();
1091 thread->jit_data = jit_tls;
1093 mono_arch_cpu_init ();
1096 void (*mono_thread_attach_aborted_cb ) (MonoObject *obj) = NULL;
1099 mono_thread_abort_dummy (MonoObject *obj)
1101 if (mono_thread_attach_aborted_cb)
1102 mono_thread_attach_aborted_cb (obj);
1104 mono_thread_abort (obj);
1108 mono_thread_attach_cb (intptr_t tid, gpointer stack_start)
1110 MonoThreadInfo *thread;
1111 void *jit_tls = setup_jit_tls_data (stack_start, mono_thread_abort_dummy);
1112 thread = mono_thread_info_current_unchecked ();
1114 thread->jit_data = jit_tls;
1116 mono_arch_cpu_init ();
1120 mini_thread_cleanup (MonoNativeThreadId tid)
1122 MonoJitTlsData *jit_tls = NULL;
1123 MonoThreadInfo *info;
1125 info = mono_thread_info_current_unchecked ();
1127 /* We can't clean up tls information if we are on another thread, it will clean up the wrong stuff
1128 * It would be nice to issue a warning when this happens outside of the shutdown sequence. but it's
1129 * not a trivial thing.
1131 * The current offender is mono_thread_manage which cleanup threads from the outside.
1133 if (info && mono_thread_info_get_tid (info) == tid) {
1134 jit_tls = (MonoJitTlsData *)info->jit_data;
1135 info->jit_data = NULL;
1137 mono_set_jit_tls (NULL);
1139 /* If we attach a thread but never call into managed land, we might never get an lmf.*/
1140 if (mono_get_lmf ()) {
1141 mono_set_lmf (NULL);
1142 mono_set_lmf_addr (NULL);
1145 info = mono_thread_info_lookup (tid);
1147 jit_tls = (MonoJitTlsData *)info->jit_data;
1148 info->jit_data = NULL;
1150 mono_hazard_pointer_clear (mono_hazard_pointer_get (), 1);
1154 free_jit_tls_data (jit_tls);
1158 mini_get_tls_offset (MonoTlsKey key)
1161 g_assert (MONO_ARCH_HAVE_TLS_GET);
1164 case TLS_KEY_THREAD:
1165 offset = mono_thread_get_tls_offset ();
1167 case TLS_KEY_JIT_TLS:
1168 offset = mono_get_jit_tls_offset ();
1170 case TLS_KEY_DOMAIN:
1171 offset = mono_domain_get_tls_offset ();
1174 offset = mono_get_lmf_tls_offset ();
1176 case TLS_KEY_LMF_ADDR:
1177 offset = mono_get_lmf_addr_tls_offset ();
1180 offset = mono_tls_key_get_offset (key);
1181 g_assert (offset != -1);
1189 mini_tls_key_supported (MonoTlsKey key)
1191 if (!MONO_ARCH_HAVE_TLS_GET)
1194 return mini_get_tls_offset (key) != -1;
1198 mono_patch_info_list_prepend (MonoJumpInfo *list, int ip, MonoJumpInfoType type, gconstpointer target)
1200 MonoJumpInfo *ji = g_new0 (MonoJumpInfo, 1);
1204 ji->data.target = target;
1211 * mono_patch_info_dup_mp:
1213 * Make a copy of PATCH_INFO, allocating memory from the mempool MP.
1216 mono_patch_info_dup_mp (MonoMemPool *mp, MonoJumpInfo *patch_info)
1218 MonoJumpInfo *res = (MonoJumpInfo *)mono_mempool_alloc (mp, sizeof (MonoJumpInfo));
1219 memcpy (res, patch_info, sizeof (MonoJumpInfo));
1221 switch (patch_info->type) {
1222 case MONO_PATCH_INFO_RVA:
1223 case MONO_PATCH_INFO_LDSTR:
1224 case MONO_PATCH_INFO_TYPE_FROM_HANDLE:
1225 case MONO_PATCH_INFO_LDTOKEN:
1226 case MONO_PATCH_INFO_DECLSEC:
1227 res->data.token = (MonoJumpInfoToken *)mono_mempool_alloc (mp, sizeof (MonoJumpInfoToken));
1228 memcpy (res->data.token, patch_info->data.token, sizeof (MonoJumpInfoToken));
1230 case MONO_PATCH_INFO_SWITCH:
1231 res->data.table = (MonoJumpInfoBBTable *)mono_mempool_alloc (mp, sizeof (MonoJumpInfoBBTable));
1232 memcpy (res->data.table, patch_info->data.table, sizeof (MonoJumpInfoBBTable));
1233 res->data.table->table = (MonoBasicBlock **)mono_mempool_alloc (mp, sizeof (MonoBasicBlock*) * patch_info->data.table->table_size);
1234 memcpy (res->data.table->table, patch_info->data.table->table, sizeof (MonoBasicBlock*) * patch_info->data.table->table_size);
1236 case MONO_PATCH_INFO_RGCTX_FETCH:
1237 case MONO_PATCH_INFO_RGCTX_SLOT_INDEX:
1238 res->data.rgctx_entry = (MonoJumpInfoRgctxEntry *)mono_mempool_alloc (mp, sizeof (MonoJumpInfoRgctxEntry));
1239 memcpy (res->data.rgctx_entry, patch_info->data.rgctx_entry, sizeof (MonoJumpInfoRgctxEntry));
1240 res->data.rgctx_entry->data = mono_patch_info_dup_mp (mp, res->data.rgctx_entry->data);
1242 case MONO_PATCH_INFO_DELEGATE_TRAMPOLINE:
1243 res->data.del_tramp = (MonoDelegateClassMethodPair *)mono_mempool_alloc0 (mp, sizeof (MonoDelegateClassMethodPair));
1244 memcpy (res->data.del_tramp, patch_info->data.del_tramp, sizeof (MonoDelegateClassMethodPair));
1246 case MONO_PATCH_INFO_GSHAREDVT_CALL:
1247 res->data.gsharedvt = (MonoJumpInfoGSharedVtCall *)mono_mempool_alloc (mp, sizeof (MonoJumpInfoGSharedVtCall));
1248 memcpy (res->data.gsharedvt, patch_info->data.gsharedvt, sizeof (MonoJumpInfoGSharedVtCall));
1250 case MONO_PATCH_INFO_GSHAREDVT_METHOD: {
1251 MonoGSharedVtMethodInfo *info;
1252 MonoGSharedVtMethodInfo *oinfo;
1255 oinfo = patch_info->data.gsharedvt_method;
1256 info = (MonoGSharedVtMethodInfo *)mono_mempool_alloc (mp, sizeof (MonoGSharedVtMethodInfo));
1257 res->data.gsharedvt_method = info;
1258 memcpy (info, oinfo, sizeof (MonoGSharedVtMethodInfo));
1259 info->entries = (MonoRuntimeGenericContextInfoTemplate *)mono_mempool_alloc (mp, sizeof (MonoRuntimeGenericContextInfoTemplate) * info->count_entries);
1260 for (i = 0; i < oinfo->num_entries; ++i) {
1261 MonoRuntimeGenericContextInfoTemplate *otemplate = &oinfo->entries [i];
1262 MonoRuntimeGenericContextInfoTemplate *template_ = &info->entries [i];
1264 memcpy (template_, otemplate, sizeof (MonoRuntimeGenericContextInfoTemplate));
1266 //info->locals_types = mono_mempool_alloc0 (mp, info->nlocals * sizeof (MonoType*));
1267 //memcpy (info->locals_types, oinfo->locals_types, info->nlocals * sizeof (MonoType*));
1270 case MONO_PATCH_INFO_VIRT_METHOD: {
1271 MonoJumpInfoVirtMethod *info;
1272 MonoJumpInfoVirtMethod *oinfo;
1274 oinfo = patch_info->data.virt_method;
1275 info = (MonoJumpInfoVirtMethod *)mono_mempool_alloc0 (mp, sizeof (MonoJumpInfoVirtMethod));
1276 res->data.virt_method = info;
1277 memcpy (info, oinfo, sizeof (MonoJumpInfoVirtMethod));
1288 mono_patch_info_hash (gconstpointer data)
1290 const MonoJumpInfo *ji = (MonoJumpInfo*)data;
1293 case MONO_PATCH_INFO_RVA:
1294 case MONO_PATCH_INFO_LDSTR:
1295 case MONO_PATCH_INFO_LDTOKEN:
1296 case MONO_PATCH_INFO_DECLSEC:
1297 return (ji->type << 8) | ji->data.token->token;
1298 case MONO_PATCH_INFO_TYPE_FROM_HANDLE:
1299 return (ji->type << 8) | ji->data.token->token | (ji->data.token->has_context ? (gsize)ji->data.token->context.class_inst : 0);
1300 case MONO_PATCH_INFO_INTERNAL_METHOD:
1301 return (ji->type << 8) | g_str_hash (ji->data.name);
1302 case MONO_PATCH_INFO_VTABLE:
1303 case MONO_PATCH_INFO_CLASS:
1304 case MONO_PATCH_INFO_IID:
1305 case MONO_PATCH_INFO_ADJUSTED_IID:
1306 case MONO_PATCH_INFO_METHODCONST:
1307 case MONO_PATCH_INFO_METHOD:
1308 case MONO_PATCH_INFO_METHOD_JUMP:
1309 case MONO_PATCH_INFO_IMAGE:
1310 case MONO_PATCH_INFO_ICALL_ADDR:
1311 case MONO_PATCH_INFO_ICALL_ADDR_CALL:
1312 case MONO_PATCH_INFO_FIELD:
1313 case MONO_PATCH_INFO_SFLDA:
1314 case MONO_PATCH_INFO_SEQ_POINT_INFO:
1315 case MONO_PATCH_INFO_METHOD_RGCTX:
1316 case MONO_PATCH_INFO_SIGNATURE:
1317 case MONO_PATCH_INFO_TLS_OFFSET:
1318 case MONO_PATCH_INFO_METHOD_CODE_SLOT:
1319 case MONO_PATCH_INFO_AOT_JIT_INFO:
1320 return (ji->type << 8) | (gssize)ji->data.target;
1321 case MONO_PATCH_INFO_GSHAREDVT_CALL:
1322 return (ji->type << 8) | (gssize)ji->data.gsharedvt->method;
1323 case MONO_PATCH_INFO_RGCTX_FETCH:
1324 case MONO_PATCH_INFO_RGCTX_SLOT_INDEX: {
1325 MonoJumpInfoRgctxEntry *e = ji->data.rgctx_entry;
1327 return (ji->type << 8) | (gssize)e->method | (e->in_mrgctx) | e->info_type | mono_patch_info_hash (e->data);
1329 case MONO_PATCH_INFO_INTERRUPTION_REQUEST_FLAG:
1330 case MONO_PATCH_INFO_MSCORLIB_GOT_ADDR:
1331 case MONO_PATCH_INFO_GC_CARD_TABLE_ADDR:
1332 case MONO_PATCH_INFO_GC_NURSERY_START:
1333 case MONO_PATCH_INFO_GC_NURSERY_BITS:
1334 case MONO_PATCH_INFO_JIT_TLS_ID:
1335 case MONO_PATCH_INFO_GOT_OFFSET:
1336 case MONO_PATCH_INFO_GC_SAFE_POINT_FLAG:
1337 case MONO_PATCH_INFO_AOT_MODULE:
1338 return (ji->type << 8);
1339 case MONO_PATCH_INFO_CASTCLASS_CACHE:
1340 return (ji->type << 8) | (ji->data.index);
1341 case MONO_PATCH_INFO_SWITCH:
1342 return (ji->type << 8) | ji->data.table->table_size;
1343 case MONO_PATCH_INFO_GSHAREDVT_METHOD:
1344 return (ji->type << 8) | (gssize)ji->data.gsharedvt_method->method;
1345 case MONO_PATCH_INFO_OBJC_SELECTOR_REF:
1346 /* Hash on the selector name */
1347 return g_str_hash (ji->data.target);
1348 case MONO_PATCH_INFO_DELEGATE_TRAMPOLINE:
1349 return (ji->type << 8) | (gsize)ji->data.del_tramp->klass | (gsize)ji->data.del_tramp->method | (gsize)ji->data.del_tramp->is_virtual;
1350 case MONO_PATCH_INFO_LDSTR_LIT:
1351 return g_str_hash (ji->data.target);
1352 case MONO_PATCH_INFO_VIRT_METHOD: {
1353 MonoJumpInfoVirtMethod *info = ji->data.virt_method;
1355 return (ji->type << 8) | (gssize)info->klass | (gssize)info->method;
1357 case MONO_PATCH_INFO_JIT_ICALL_ADDR:
1358 return (ji->type << 8) | g_str_hash (ji->data.target);
1359 case MONO_PATCH_INFO_GSHAREDVT_IN_WRAPPER:
1360 return (ji->type << 8) | mono_signature_hash (ji->data.sig);
1362 printf ("info type: %d\n", ji->type);
1363 mono_print_ji (ji); printf ("\n");
1364 g_assert_not_reached ();
1370 * mono_patch_info_equal:
1372 * This might fail to recognize equivalent patches, i.e. floats, so its only
1373 * usable in those cases where this is not a problem, i.e. sharing GOT slots
1377 mono_patch_info_equal (gconstpointer ka, gconstpointer kb)
1379 const MonoJumpInfo *ji1 = (MonoJumpInfo*)ka;
1380 const MonoJumpInfo *ji2 = (MonoJumpInfo*)kb;
1382 if (ji1->type != ji2->type)
1385 switch (ji1->type) {
1386 case MONO_PATCH_INFO_RVA:
1387 case MONO_PATCH_INFO_LDSTR:
1388 case MONO_PATCH_INFO_TYPE_FROM_HANDLE:
1389 case MONO_PATCH_INFO_LDTOKEN:
1390 case MONO_PATCH_INFO_DECLSEC:
1391 if ((ji1->data.token->image != ji2->data.token->image) ||
1392 (ji1->data.token->token != ji2->data.token->token) ||
1393 (ji1->data.token->has_context != ji2->data.token->has_context) ||
1394 (ji1->data.token->context.class_inst != ji2->data.token->context.class_inst) ||
1395 (ji1->data.token->context.method_inst != ji2->data.token->context.method_inst))
1398 case MONO_PATCH_INFO_INTERNAL_METHOD:
1399 return g_str_equal (ji1->data.name, ji2->data.name);
1400 case MONO_PATCH_INFO_RGCTX_FETCH:
1401 case MONO_PATCH_INFO_RGCTX_SLOT_INDEX: {
1402 MonoJumpInfoRgctxEntry *e1 = ji1->data.rgctx_entry;
1403 MonoJumpInfoRgctxEntry *e2 = ji2->data.rgctx_entry;
1405 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);
1407 case MONO_PATCH_INFO_GSHAREDVT_CALL: {
1408 MonoJumpInfoGSharedVtCall *c1 = ji1->data.gsharedvt;
1409 MonoJumpInfoGSharedVtCall *c2 = ji2->data.gsharedvt;
1411 return c1->sig == c2->sig && c1->method == c2->method;
1413 case MONO_PATCH_INFO_GSHAREDVT_METHOD:
1414 return ji1->data.gsharedvt_method->method == ji2->data.gsharedvt_method->method;
1415 case MONO_PATCH_INFO_DELEGATE_TRAMPOLINE:
1416 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;
1417 case MONO_PATCH_INFO_CASTCLASS_CACHE:
1418 return ji1->data.index == ji2->data.index;
1419 case MONO_PATCH_INFO_VIRT_METHOD:
1420 return ji1->data.virt_method->klass == ji2->data.virt_method->klass && ji1->data.virt_method->method == ji2->data.virt_method->method;
1421 case MONO_PATCH_INFO_JIT_ICALL_ADDR:
1422 if (ji1->data.target == ji2->data.target)
1424 return strcmp (ji1->data.target, ji2->data.target) == 0 ? 1 : 0;
1425 case MONO_PATCH_INFO_GSHAREDVT_IN_WRAPPER:
1426 return mono_metadata_signature_equal (ji1->data.sig, ji2->data.sig) ? 1 : 0;
1428 if (ji1->data.target != ji2->data.target)
1437 mono_resolve_patch_target (MonoMethod *method, MonoDomain *domain, guint8 *code, MonoJumpInfo *patch_info, gboolean run_cctors, MonoError *error)
1439 unsigned char *ip = patch_info->ip.i + code;
1440 gconstpointer target = NULL;
1442 mono_error_init (error);
1444 switch (patch_info->type) {
1445 case MONO_PATCH_INFO_BB:
1447 * FIXME: This could be hit for methods without a prolog. Should use -1
1448 * but too much code depends on a 0 initial value.
1450 //g_assert (patch_info->data.bb->native_offset);
1451 target = patch_info->data.bb->native_offset + code;
1453 case MONO_PATCH_INFO_ABS:
1454 target = patch_info->data.target;
1456 case MONO_PATCH_INFO_LABEL:
1457 target = patch_info->data.inst->inst_c0 + code;
1459 case MONO_PATCH_INFO_IP:
1460 #if defined(__native_client__) && defined(__native_client_codegen__)
1461 /* Need to transform to the destination address, it's */
1462 /* emitted as an immediate in the code. */
1463 target = nacl_inverse_modify_patch_target(ip);
1468 case MONO_PATCH_INFO_METHOD_REL:
1469 target = code + patch_info->data.offset;
1471 case MONO_PATCH_INFO_INTERNAL_METHOD: {
1472 MonoJitICallInfo *mi = mono_find_jit_icall_by_name (patch_info->data.name);
1474 g_warning ("unknown MONO_PATCH_INFO_INTERNAL_METHOD %s", patch_info->data.name);
1475 g_assert_not_reached ();
1477 target = mono_icall_get_wrapper (mi);
1480 case MONO_PATCH_INFO_JIT_ICALL_ADDR: {
1481 MonoJitICallInfo *mi = mono_find_jit_icall_by_name (patch_info->data.name);
1483 g_warning ("unknown MONO_PATCH_INFO_JIT_ICALL_ADDR %s", patch_info->data.name);
1484 g_assert_not_reached ();
1489 case MONO_PATCH_INFO_METHOD_JUMP:
1490 target = mono_create_jump_trampoline (domain, patch_info->data.method, FALSE, error);
1491 if (!mono_error_ok (error))
1493 #if defined(__native_client__) && defined(__native_client_codegen__)
1494 # if defined(TARGET_AMD64)
1495 /* This target is an absolute address, not relative to the */
1496 /* current code being emitted on AMD64. */
1497 target = nacl_inverse_modify_patch_target(target);
1501 case MONO_PATCH_INFO_METHOD:
1502 #if defined(__native_client_codegen__) && defined(USE_JUMP_TABLES)
1504 * If we use jumptables, for recursive calls we cannot
1505 * avoid trampoline, as we not yet know where we will
1508 target = mono_create_jit_trampoline (domain, patch_info->data.method, error);
1509 if (!mono_error_ok (error))
1512 if (patch_info->data.method == method) {
1515 /* get the trampoline to the method from the domain */
1516 target = mono_create_jit_trampoline (domain, patch_info->data.method, error);
1517 if (!mono_error_ok (error))
1522 case MONO_PATCH_INFO_METHOD_CODE_SLOT: {
1525 mono_domain_lock (domain);
1526 if (!domain_jit_info (domain)->method_code_hash)
1527 domain_jit_info (domain)->method_code_hash = g_hash_table_new (NULL, NULL);
1528 code_slot = g_hash_table_lookup (domain_jit_info (domain)->method_code_hash, patch_info->data.method);
1530 code_slot = mono_domain_alloc0 (domain, sizeof (gpointer));
1531 g_hash_table_insert (domain_jit_info (domain)->method_code_hash, patch_info->data.method, code_slot);
1533 mono_domain_unlock (domain);
1537 case MONO_PATCH_INFO_GC_SAFE_POINT_FLAG:
1538 #if defined(__native_client_codegen__)
1539 target = (gpointer)&__nacl_thread_suspension_needed;
1541 g_assert (mono_threads_is_coop_enabled ());
1542 target = (gpointer)&mono_polling_required;
1545 case MONO_PATCH_INFO_SWITCH: {
1546 gpointer *jump_table;
1548 #if defined(__native_client__) && defined(__native_client_codegen__)
1549 /* This memory will leak, but we don't care if we're */
1550 /* not deleting JIT'd methods anyway */
1551 jump_table = g_malloc0 (sizeof(gpointer) * patch_info->data.table->table_size);
1553 if (method && method->dynamic) {
1554 jump_table = (void **)mono_code_manager_reserve (mono_dynamic_code_hash_lookup (domain, method)->code_mp, sizeof (gpointer) * patch_info->data.table->table_size);
1556 if (mono_aot_only) {
1557 jump_table = (void **)mono_domain_alloc (domain, sizeof (gpointer) * patch_info->data.table->table_size);
1559 jump_table = (void **)mono_domain_code_reserve (domain, sizeof (gpointer) * patch_info->data.table->table_size);
1564 for (i = 0; i < patch_info->data.table->table_size; i++) {
1565 #if defined(__native_client__) && defined(__native_client_codegen__)
1566 /* 'code' is relative to the current code blob, we */
1567 /* need to do this transform on it to make the */
1568 /* pointers in this table absolute */
1569 jump_table [i] = nacl_inverse_modify_patch_target (code) + GPOINTER_TO_INT (patch_info->data.table->table [i]);
1571 jump_table [i] = code + GPOINTER_TO_INT (patch_info->data.table->table [i]);
1575 #if defined(__native_client__) && defined(__native_client_codegen__)
1576 /* jump_table is in the data section, we need to transform */
1577 /* it here so when it gets modified in amd64_patch it will */
1578 /* then point back to the absolute data address */
1579 target = nacl_inverse_modify_patch_target (jump_table);
1581 target = jump_table;
1585 case MONO_PATCH_INFO_METHODCONST:
1586 case MONO_PATCH_INFO_CLASS:
1587 case MONO_PATCH_INFO_IMAGE:
1588 case MONO_PATCH_INFO_FIELD:
1589 case MONO_PATCH_INFO_SIGNATURE:
1590 case MONO_PATCH_INFO_AOT_MODULE:
1591 target = patch_info->data.target;
1593 case MONO_PATCH_INFO_IID:
1594 mono_class_init (patch_info->data.klass);
1595 target = GINT_TO_POINTER ((int)patch_info->data.klass->interface_id);
1597 case MONO_PATCH_INFO_ADJUSTED_IID:
1598 mono_class_init (patch_info->data.klass);
1599 target = GINT_TO_POINTER ((int)(-((patch_info->data.klass->interface_id + 1) * SIZEOF_VOID_P)));
1601 case MONO_PATCH_INFO_VTABLE:
1602 target = mono_class_vtable (domain, patch_info->data.klass);
1605 case MONO_PATCH_INFO_DELEGATE_TRAMPOLINE: {
1606 MonoDelegateClassMethodPair *del_tramp = patch_info->data.del_tramp;
1608 if (del_tramp->is_virtual)
1609 target = mono_create_delegate_virtual_trampoline (domain, del_tramp->klass, del_tramp->method);
1611 target = mono_create_delegate_trampoline_info (domain, del_tramp->klass, del_tramp->method);
1614 case MONO_PATCH_INFO_SFLDA: {
1615 MonoVTable *vtable = mono_class_vtable (domain, patch_info->data.field->parent);
1617 if (mono_class_field_is_special_static (patch_info->data.field)) {
1618 gpointer addr = NULL;
1620 mono_domain_lock (domain);
1621 if (domain->special_static_fields)
1622 addr = g_hash_table_lookup (domain->special_static_fields, patch_info->data.field);
1623 mono_domain_unlock (domain);
1629 if (!vtable->initialized && !(vtable->klass->flags & TYPE_ATTRIBUTE_BEFORE_FIELD_INIT) && (method && mono_class_needs_cctor_run (vtable->klass, method)))
1630 /* Done by the generated code */
1634 if (!mono_runtime_class_init_full (vtable, error)) {
1639 target = (char*)mono_vtable_get_static_field_data (vtable) + patch_info->data.field->offset;
1642 case MONO_PATCH_INFO_RVA: {
1643 guint32 field_index = mono_metadata_token_index (patch_info->data.token->token);
1646 mono_metadata_field_info (patch_info->data.token->image, field_index - 1, NULL, &rva, NULL);
1647 target = mono_image_rva_map (patch_info->data.token->image, rva);
1650 case MONO_PATCH_INFO_R4:
1651 case MONO_PATCH_INFO_R8:
1652 target = patch_info->data.target;
1654 case MONO_PATCH_INFO_EXC_NAME:
1655 target = patch_info->data.name;
1657 case MONO_PATCH_INFO_LDSTR:
1659 mono_ldstr (domain, patch_info->data.token->image,
1660 mono_metadata_token_index (patch_info->data.token->token));
1662 case MONO_PATCH_INFO_TYPE_FROM_HANDLE: {
1664 MonoClass *handle_class;
1666 handle = mono_ldtoken_checked (patch_info->data.token->image,
1667 patch_info->data.token->token, &handle_class, patch_info->data.token->has_context ? &patch_info->data.token->context : NULL, error);
1668 if (!mono_error_ok (error))
1669 g_error ("Could not patch ldtoken due to %s", mono_error_get_message (error));
1670 mono_class_init (handle_class);
1671 mono_class_init (mono_class_from_mono_type ((MonoType *)handle));
1673 target = mono_type_get_object_checked (domain, (MonoType *)handle, error);
1674 if (!mono_error_ok (error))
1678 case MONO_PATCH_INFO_LDTOKEN: {
1680 MonoClass *handle_class;
1682 handle = mono_ldtoken_checked (patch_info->data.token->image,
1683 patch_info->data.token->token, &handle_class, patch_info->data.token->has_context ? &patch_info->data.token->context : NULL, error);
1684 if (!mono_error_ok (error))
1685 g_error ("Could not patch ldtoken due to %s", mono_error_get_message (error));
1686 mono_class_init (handle_class);
1691 case MONO_PATCH_INFO_DECLSEC:
1692 target = (mono_metadata_blob_heap (patch_info->data.token->image, patch_info->data.token->token) + 2);
1694 case MONO_PATCH_INFO_ICALL_ADDR:
1695 case MONO_PATCH_INFO_ICALL_ADDR_CALL:
1696 /* run_cctors == 0 -> AOT */
1697 if (patch_info->data.method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL) {
1698 const char *exc_class;
1699 const char *exc_arg;
1702 target = mono_lookup_pinvoke_call (patch_info->data.method, &exc_class, &exc_arg);
1704 if (mono_aot_only) {
1705 mono_error_set_exception_instance (error, mono_exception_from_name_msg (mono_defaults.corlib, "System", exc_class, exc_arg));
1708 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));
1714 target = mono_lookup_internal_call (patch_info->data.method);
1716 if (!target && run_cctors)
1717 g_error ("Unregistered icall '%s'\n", mono_method_full_name (patch_info->data.method, TRUE));
1720 case MONO_PATCH_INFO_INTERRUPTION_REQUEST_FLAG:
1721 target = mono_thread_interruption_request_flag ();
1723 case MONO_PATCH_INFO_METHOD_RGCTX: {
1724 MonoVTable *vtable = mono_class_vtable (domain, patch_info->data.method->klass);
1727 target = mono_method_lookup_rgctx (vtable, mini_method_get_context (patch_info->data.method)->method_inst);
1730 case MONO_PATCH_INFO_RGCTX_SLOT_INDEX: {
1731 int slot = mini_get_rgctx_entry_slot (patch_info->data.rgctx_entry);
1733 target = GINT_TO_POINTER (MONO_RGCTX_SLOT_INDEX (slot));
1736 case MONO_PATCH_INFO_BB_OVF:
1737 case MONO_PATCH_INFO_EXC_OVF:
1738 case MONO_PATCH_INFO_GOT_OFFSET:
1739 case MONO_PATCH_INFO_NONE:
1741 case MONO_PATCH_INFO_RGCTX_FETCH: {
1742 int slot = mini_get_rgctx_entry_slot (patch_info->data.rgctx_entry);
1744 target = mono_create_rgctx_lazy_fetch_trampoline (slot);
1747 #ifdef MONO_ARCH_SOFT_DEBUG_SUPPORTED
1748 case MONO_PATCH_INFO_SEQ_POINT_INFO:
1750 /* AOT, not needed */
1753 target = mono_arch_get_seq_point_info (domain, code);
1756 case MONO_PATCH_INFO_GC_CARD_TABLE_ADDR: {
1757 int card_table_shift_bits;
1758 gpointer card_table_mask;
1760 target = mono_gc_get_card_table (&card_table_shift_bits, &card_table_mask);
1763 case MONO_PATCH_INFO_GC_NURSERY_START: {
1767 target = mono_gc_get_nursery (&shift_bits, &size);
1770 case MONO_PATCH_INFO_GC_NURSERY_BITS: {
1774 mono_gc_get_nursery (&shift_bits, &size);
1776 target = (gpointer)(mgreg_t)shift_bits;
1779 case MONO_PATCH_INFO_CASTCLASS_CACHE: {
1780 target = mono_domain_alloc0 (domain, sizeof (gpointer));
1783 case MONO_PATCH_INFO_JIT_TLS_ID: {
1784 target = (gpointer) (size_t) mono_jit_tls_id;
1787 case MONO_PATCH_INFO_TLS_OFFSET: {
1790 offset = mini_get_tls_offset ((MonoTlsKey)GPOINTER_TO_INT (patch_info->data.target));
1791 #ifdef MONO_ARCH_HAVE_TRANSLATE_TLS_OFFSET
1792 offset = mono_arch_translate_tls_offset (offset);
1794 target = GINT_TO_POINTER (offset);
1797 case MONO_PATCH_INFO_OBJC_SELECTOR_REF: {
1801 case MONO_PATCH_INFO_LDSTR_LIT: {
1805 len = strlen ((const char *)patch_info->data.target);
1806 s = (char *)mono_domain_alloc0 (domain, len + 1);
1807 memcpy (s, patch_info->data.target, len);
1812 case MONO_PATCH_INFO_GSHAREDVT_IN_WRAPPER:
1813 target = mini_get_gsharedvt_wrapper (TRUE, NULL, patch_info->data.sig, NULL, -1, FALSE);
1816 g_assert_not_reached ();
1819 return (gpointer)target;
1823 mini_init_gsctx (MonoDomain *domain, MonoMemPool *mp, MonoGenericContext *context, MonoGenericSharingContext *gsctx)
1825 MonoGenericInst *inst;
1828 memset (gsctx, 0, sizeof (MonoGenericSharingContext));
1830 if (context && context->class_inst) {
1831 inst = context->class_inst;
1832 for (i = 0; i < inst->type_argc; ++i) {
1833 MonoType *type = inst->type_argv [i];
1835 if (mini_is_gsharedvt_gparam (type))
1836 gsctx->is_gsharedvt = TRUE;
1839 if (context && context->method_inst) {
1840 inst = context->method_inst;
1842 for (i = 0; i < inst->type_argc; ++i) {
1843 MonoType *type = inst->type_argv [i];
1845 if (mini_is_gsharedvt_gparam (type))
1846 gsctx->is_gsharedvt = TRUE;
1852 * LOCKING: Acquires the jit code hash lock.
1855 mini_lookup_method (MonoDomain *domain, MonoMethod *method, MonoMethod *shared)
1858 static gboolean inited = FALSE;
1859 static int lookups = 0;
1860 static int failed_lookups = 0;
1862 mono_domain_jit_code_hash_lock (domain);
1863 ji = (MonoJitInfo *)mono_internal_hash_table_lookup (&domain->jit_code_hash, method);
1864 if (!ji && shared) {
1865 /* Try generic sharing */
1866 ji = (MonoJitInfo *)mono_internal_hash_table_lookup (&domain->jit_code_hash, shared);
1867 if (ji && !ji->has_generic_jit_info)
1870 mono_counters_register ("Shared generic lookups", MONO_COUNTER_INT|MONO_COUNTER_GENERICS, &lookups);
1871 mono_counters_register ("Failed shared generic lookups", MONO_COUNTER_INT|MONO_COUNTER_GENERICS, &failed_lookups);
1879 mono_domain_jit_code_hash_unlock (domain);
1885 lookup_method (MonoDomain *domain, MonoMethod *method)
1890 ji = mini_lookup_method (domain, method, NULL);
1893 if (!mono_method_is_generic_sharable (method, FALSE))
1895 shared = mini_get_shared_method (method);
1896 ji = mini_lookup_method (domain, method, shared);
1903 mono_get_jit_info_from_method (MonoDomain *domain, MonoMethod *method)
1905 return lookup_method (domain, method);
1909 static FILE* perf_map_file;
1912 mono_enable_jit_map (void)
1914 if (!perf_map_file) {
1916 g_snprintf (name, sizeof (name), "/tmp/perf-%d.map", getpid ());
1918 perf_map_file = fopen (name, "w");
1923 mono_emit_jit_tramp (void *start, int size, const char *desc)
1926 fprintf (perf_map_file, "%llx %x %s\n", (long long unsigned int)(gsize)start, size, desc);
1930 mono_emit_jit_map (MonoJitInfo *jinfo)
1932 if (perf_map_file) {
1933 char *name = mono_method_full_name (jinfo_get_method (jinfo), TRUE);
1934 mono_emit_jit_tramp (jinfo->code_start, jinfo->code_size, name);
1940 mono_jit_map_is_enabled (void)
1942 return perf_map_file != NULL;
1948 no_gsharedvt_in_wrapper (void)
1950 g_assert_not_reached ();
1954 mono_jit_compile_method_with_opt (MonoMethod *method, guint32 opt, MonoError *error)
1956 MonoDomain *target_domain, *domain = mono_domain_get ();
1958 gpointer code = NULL, p;
1960 MonoJitICallInfo *callinfo = NULL;
1961 WrapperInfo *winfo = NULL;
1963 mono_error_init (error);
1966 * ICALL wrappers are handled specially, since there is only one copy of them
1967 * shared by all appdomains.
1969 if (method->wrapper_type == MONO_WRAPPER_MANAGED_TO_NATIVE)
1970 winfo = mono_marshal_get_wrapper_info (method);
1971 if (winfo && winfo->subtype == WRAPPER_SUBTYPE_ICALL_WRAPPER) {
1972 callinfo = mono_find_jit_icall_by_addr (winfo->d.icall.func);
1973 g_assert (callinfo);
1975 /* Must be domain neutral since there is only one copy */
1976 opt |= MONO_OPT_SHARED;
1978 /* MONO_OPT_SHARED is no longer supported, we only use it for icall wrappers */
1979 opt &= ~MONO_OPT_SHARED;
1982 if (opt & MONO_OPT_SHARED)
1983 target_domain = mono_get_root_domain ();
1985 target_domain = domain;
1987 if (method->wrapper_type == MONO_WRAPPER_UNKNOWN) {
1988 WrapperInfo *info = mono_marshal_get_wrapper_info (method);
1991 if (info->subtype == WRAPPER_SUBTYPE_SYNCHRONIZED_INNER) {
1992 MonoGenericContext *ctx = NULL;
1993 if (method->is_inflated)
1994 ctx = mono_method_get_context (method);
1995 method = info->d.synchronized_inner.method;
1997 method = mono_class_inflate_generic_method_checked (method, ctx, error);
1998 g_assert (mono_error_ok (error)); /* FIXME don't swallow the error */
2003 info = lookup_method (target_domain, method);
2005 /* We can't use a domain specific method in another domain */
2006 if (! ((domain != target_domain) && !info->domain_neutral)) {
2009 mono_jit_stats.methods_lookups++;
2010 vtable = mono_class_vtable_full (domain, method->klass, error);
2014 if (!mono_runtime_class_init_full (vtable, error))
2016 return mono_create_ftnptr (target_domain, info->code_start);
2020 #ifdef MONO_USE_AOT_COMPILER
2021 if (opt & MONO_OPT_AOT) {
2022 MonoDomain *domain = mono_domain_get ();
2024 mono_class_init (method->klass);
2026 if ((code = mono_aot_get_method (domain, method))) {
2030 * In llvm-only mode, method might be a shared method, so we can't initialize its class.
2031 * This is not a problem, since it will be initialized when the method is first
2032 * called by init_method ().
2034 if (!mono_llvm_only) {
2035 vtable = mono_class_vtable (domain, method->klass);
2037 if (!mono_runtime_class_init_full (vtable, error))
2044 if (!code && mono_llvm_only) {
2045 if (method->wrapper_type == MONO_WRAPPER_UNKNOWN) {
2046 WrapperInfo *info = mono_marshal_get_wrapper_info (method);
2048 if (info->subtype == WRAPPER_SUBTYPE_GSHAREDVT_IN_SIG) {
2050 * These wrappers are only created for signatures which are in the program, but
2051 * sometimes we load methods too eagerly and have to create them even if they
2052 * will never be called.
2054 return no_gsharedvt_in_wrapper;
2060 code = mono_jit_compile_method_inner (method, target_domain, opt, error);
2061 if (!mono_error_ok (error))
2064 if (!code && mono_llvm_only) {
2065 printf ("AOT method not found in llvmonly mode: %s\n", mono_method_full_name (method, 1));
2066 g_assert_not_reached ();
2072 if (method->wrapper_type == MONO_WRAPPER_WRITE_BARRIER || method->wrapper_type == MONO_WRAPPER_ALLOC) {
2076 * SGEN requires the JIT info for these methods to be registered, see is_ip_in_managed_allocator ().
2078 ji = mini_jit_info_table_find (mono_domain_get (), (char *)code, &d);
2082 p = mono_create_ftnptr (target_domain, code);
2085 /*mono_register_jit_icall_wrapper takes the loader lock, so we take it on the outside. */
2086 mono_loader_lock ();
2088 if (!callinfo->wrapper) {
2089 callinfo->wrapper = p;
2090 mono_register_jit_icall_wrapper (callinfo, p);
2093 mono_loader_unlock ();
2100 mono_jit_compile_method (MonoMethod *method, MonoError *error)
2104 code = mono_jit_compile_method_with_opt (method, mono_get_optimizations_for_method (method, default_opt), error);
2108 #ifdef MONO_ARCH_HAVE_INVALIDATE_METHOD
2110 invalidated_delegate_trampoline (char *desc)
2112 g_error ("Unmanaged code called delegate of type %s which was already garbage collected.\n"
2113 "See http://www.mono-project.com/Diagnostic:Delegate for an explanation and ways to fix this.",
2119 * mono_jit_free_method:
2121 * Free all memory allocated by the JIT for METHOD.
2124 mono_jit_free_method (MonoDomain *domain, MonoMethod *method)
2126 MonoJitDynamicMethodInfo *ji;
2127 gboolean destroy = TRUE;
2128 GHashTableIter iter;
2129 MonoJumpList *jlist;
2131 g_assert (method->dynamic);
2133 mono_domain_lock (domain);
2134 ji = mono_dynamic_code_hash_lookup (domain, method);
2135 mono_domain_unlock (domain);
2140 mono_debug_remove_method (method, domain);
2142 mono_domain_lock (domain);
2143 g_hash_table_remove (domain_jit_info (domain)->dynamic_code_hash, method);
2144 mono_domain_jit_code_hash_lock (domain);
2145 mono_internal_hash_table_remove (&domain->jit_code_hash, method);
2146 mono_domain_jit_code_hash_unlock (domain);
2147 g_hash_table_remove (domain_jit_info (domain)->jump_trampoline_hash, method);
2149 /* requires the domain lock - took above */
2150 mono_conc_hashtable_remove (domain_jit_info (domain)->runtime_invoke_hash, method);
2152 /* Remove jump targets in this method */
2153 g_hash_table_iter_init (&iter, domain_jit_info (domain)->jump_target_hash);
2154 while (g_hash_table_iter_next (&iter, NULL, (void**)&jlist)) {
2155 GSList *tmp, *remove;
2158 for (tmp = jlist->list; tmp; tmp = tmp->next) {
2159 guint8 *ip = (guint8 *)tmp->data;
2161 if (ip >= (guint8*)ji->ji->code_start && ip < (guint8*)ji->ji->code_start + ji->ji->code_size)
2162 remove = g_slist_prepend (remove, tmp);
2164 for (tmp = remove; tmp; tmp = tmp->next) {
2165 jlist->list = g_slist_delete_link ((GSList *)jlist->list, (GSList *)tmp->data);
2167 g_slist_free (remove);
2169 mono_domain_unlock (domain);
2171 #ifdef MONO_ARCH_HAVE_INVALIDATE_METHOD
2172 if (debug_options.keep_delegates && method->wrapper_type == MONO_WRAPPER_NATIVE_TO_MANAGED) {
2174 * Instead of freeing the code, change it to call an error routine
2175 * so people can fix their code.
2177 char *type = mono_type_full_name (&method->klass->byval_arg);
2178 char *type_and_method = g_strdup_printf ("%s.%s", type, method->name);
2181 mono_arch_invalidate_method (ji->ji, invalidated_delegate_trampoline, type_and_method);
2187 * This needs to be done before freeing code_mp, since the code address is the
2188 * key in the table, so if we free the code_mp first, another thread can grab the
2189 * same code address and replace our entry in the table.
2191 mono_jit_info_table_remove (domain, ji->ji);
2194 mono_code_manager_destroy (ji->code_mp);
2199 mono_jit_find_compiled_method_with_jit_info (MonoDomain *domain, MonoMethod *method, MonoJitInfo **ji)
2201 MonoDomain *target_domain;
2204 if (default_opt & MONO_OPT_SHARED)
2205 target_domain = mono_get_root_domain ();
2207 target_domain = domain;
2209 info = lookup_method (target_domain, method);
2211 /* We can't use a domain specific method in another domain */
2212 if (! ((domain != target_domain) && !info->domain_neutral)) {
2213 mono_jit_stats.methods_lookups++;
2216 return info->code_start;
2225 static guint32 bisect_opt = 0;
2226 static GHashTable *bisect_methods_hash = NULL;
2229 mono_set_bisect_methods (guint32 opt, const char *method_list_filename)
2232 char method_name [2048];
2235 bisect_methods_hash = g_hash_table_new (g_str_hash, g_str_equal);
2236 g_assert (bisect_methods_hash);
2238 file = fopen (method_list_filename, "r");
2241 while (fgets (method_name, sizeof (method_name), file)) {
2242 size_t len = strlen (method_name);
2244 g_assert (method_name [len - 1] == '\n');
2245 method_name [len - 1] = 0;
2246 g_hash_table_insert (bisect_methods_hash, g_strdup (method_name), GINT_TO_POINTER (1));
2248 g_assert (feof (file));
2251 gboolean mono_do_single_method_regression = FALSE;
2252 guint32 mono_single_method_regression_opt = 0;
2253 MonoMethod *mono_current_single_method;
2254 GSList *mono_single_method_list;
2255 GHashTable *mono_single_method_hash;
2258 mono_get_optimizations_for_method (MonoMethod *method, guint32 default_opt)
2262 if (bisect_methods_hash) {
2263 char *name = mono_method_full_name (method, TRUE);
2264 void *res = g_hash_table_lookup (bisect_methods_hash, name);
2267 return default_opt | bisect_opt;
2269 if (!mono_do_single_method_regression)
2271 if (!mono_current_single_method) {
2272 if (!mono_single_method_hash)
2273 mono_single_method_hash = g_hash_table_new (g_direct_hash, g_direct_equal);
2274 if (!g_hash_table_lookup (mono_single_method_hash, method)) {
2275 g_hash_table_insert (mono_single_method_hash, method, method);
2276 mono_single_method_list = g_slist_prepend (mono_single_method_list, method);
2280 if (method == mono_current_single_method)
2281 return mono_single_method_regression_opt;
2286 mono_jit_find_compiled_method (MonoDomain *domain, MonoMethod *method)
2288 return mono_jit_find_compiled_method_with_jit_info (domain, method, NULL);
2293 gpointer compiled_method;
2294 gpointer runtime_invoke;
2296 MonoDynCallInfo *dyn_call_info;
2297 MonoClass *ret_box_class;
2298 MonoMethodSignature *sig;
2299 gboolean gsharedvt_invoke;
2300 gpointer *wrapper_arg;
2301 } RuntimeInvokeInfo;
2303 static RuntimeInvokeInfo*
2304 create_runtime_invoke_info (MonoDomain *domain, MonoMethod *method, gpointer compiled_method, gboolean callee_gsharedvt, MonoError *error)
2307 RuntimeInvokeInfo *info;
2309 info = g_new0 (RuntimeInvokeInfo, 1);
2310 info->compiled_method = compiled_method;
2311 info->sig = mono_method_signature (method);
2313 invoke = mono_marshal_get_runtime_invoke (method, FALSE);
2314 info->vtable = mono_class_vtable_full (domain, method->klass, error);
2315 if (!mono_error_ok (error))
2317 g_assert (info->vtable);
2319 MonoMethodSignature *sig = mono_method_signature (method);
2323 * We want to avoid AOTing 1000s of runtime-invoke wrappers when running
2324 * in full-aot mode, so we use a slower, but more generic wrapper if
2325 * possible, built on top of the OP_DYN_CALL opcode provided by the JIT.
2327 #ifdef MONO_ARCH_DYN_CALL_SUPPORTED
2328 if (!mono_llvm_only && (mono_aot_only || debug_options.dyn_runtime_invoke)) {
2329 gboolean supported = TRUE;
2332 if (method->string_ctor)
2333 sig = mono_marshal_get_string_ctor_signature (method);
2335 for (i = 0; i < sig->param_count; ++i) {
2336 MonoType *t = sig->params [i];
2338 if (t->byref && t->type == MONO_TYPE_GENERICINST && mono_class_is_nullable (mono_class_from_mono_type (t)))
2342 if (mono_class_is_contextbound (method->klass) || !info->compiled_method)
2346 info->dyn_call_info = mono_arch_dyn_call_prepare (sig);
2350 ret_type = sig->ret;
2351 switch (ret_type->type) {
2352 case MONO_TYPE_VOID:
2364 case MONO_TYPE_BOOLEAN:
2365 case MONO_TYPE_CHAR:
2368 info->ret_box_class = mono_class_from_mono_type (ret_type);
2371 info->ret_box_class = mono_defaults.int_class;
2373 case MONO_TYPE_STRING:
2374 case MONO_TYPE_CLASS:
2375 case MONO_TYPE_ARRAY:
2376 case MONO_TYPE_SZARRAY:
2377 case MONO_TYPE_OBJECT:
2379 case MONO_TYPE_GENERICINST:
2380 if (!MONO_TYPE_IS_REFERENCE (ret_type))
2381 info->ret_box_class = mono_class_from_mono_type (ret_type);
2383 case MONO_TYPE_VALUETYPE:
2384 info->ret_box_class = mono_class_from_mono_type (ret_type);
2387 g_assert_not_reached ();
2391 if (!info->dyn_call_info) {
2392 if (mono_llvm_only) {
2393 #ifndef MONO_ARCH_GSHAREDVT_SUPPORTED
2394 g_assert_not_reached ();
2396 info->gsharedvt_invoke = TRUE;
2397 if (!callee_gsharedvt) {
2398 /* Invoke a gsharedvt out wrapper instead */
2399 MonoMethod *wrapper = mini_get_gsharedvt_out_sig_wrapper (sig);
2400 MonoMethodSignature *wrapper_sig = mini_get_gsharedvt_out_sig_wrapper_signature (sig->hasthis, sig->ret->type != MONO_TYPE_VOID, sig->param_count);
2402 info->wrapper_arg = g_malloc0 (2 * sizeof (gpointer));
2403 info->wrapper_arg [0] = mini_add_method_wrappers_llvmonly (method, info->compiled_method, FALSE, FALSE, &(info->wrapper_arg [1]));
2405 /* Pass has_rgctx == TRUE since the wrapper has an extra arg */
2406 invoke = mono_marshal_get_runtime_invoke_for_sig (wrapper_sig);
2407 g_free (wrapper_sig);
2409 info->compiled_method = mono_jit_compile_method (wrapper, error);
2410 if (!mono_error_ok (error)) {
2415 /* Gsharedvt methods can be invoked the same way */
2416 /* The out wrapper has the same signature as the compiled gsharedvt method */
2417 MonoMethodSignature *wrapper_sig = mini_get_gsharedvt_out_sig_wrapper_signature (sig->hasthis, sig->ret->type != MONO_TYPE_VOID, sig->param_count);
2419 info->wrapper_arg = mono_method_needs_static_rgctx_invoke (method, TRUE) ? mini_method_get_rgctx (method) : NULL;
2421 invoke = mono_marshal_get_runtime_invoke_for_sig (wrapper_sig);
2422 g_free (wrapper_sig);
2425 info->runtime_invoke = mono_jit_compile_method (invoke, error);
2426 if (!mono_error_ok (error)) {
2436 mono_llvmonly_runtime_invoke (MonoMethod *method, RuntimeInvokeInfo *info, void *obj, void **params, MonoObject **exc, MonoError *error)
2438 MonoMethodSignature *sig = info->sig;
2439 MonoDomain *domain = mono_domain_get ();
2440 MonoObject *(*runtime_invoke) (MonoObject *this_obj, void **params, MonoObject **exc, void* compiled_method);
2442 gpointer retval_ptr;
2443 guint8 retval [256];
2444 gpointer *param_refs;
2447 mono_error_init (error);
2449 g_assert (info->gsharedvt_invoke);
2452 * Instead of invoking the method directly, we invoke a gsharedvt out wrapper.
2453 * The advantage of this is the gsharedvt out wrappers have a reduced set of
2454 * signatures, so we only have to generate runtime invoke wrappers for these
2456 * This code also handles invocation of gsharedvt methods directly, no
2457 * out wrappers are used in that case.
2459 args = (void **)g_alloca ((sig->param_count + sig->hasthis + 2) * sizeof (gpointer));
2460 param_refs = (gpointer*)g_alloca ((sig->param_count + sig->hasthis + 2) * sizeof (gpointer));
2463 * The runtime invoke wrappers expects pointers to primitive types, so have to
2467 args [pindex ++] = &obj;
2468 if (sig->ret->type != MONO_TYPE_VOID) {
2469 retval_ptr = (gpointer)&retval;
2470 args [pindex ++] = &retval_ptr;
2472 for (i = 0; i < sig->param_count; ++i) {
2473 MonoType *t = sig->params [i];
2475 if (t->type == MONO_TYPE_GENERICINST && mono_class_is_nullable (mono_class_from_mono_type (t))) {
2476 MonoClass *klass = mono_class_from_mono_type (t);
2477 guint8 *nullable_buf;
2480 size = mono_class_value_size (klass, NULL);
2481 nullable_buf = g_alloca (size);
2482 g_assert (nullable_buf);
2484 /* The argument pointed to by params [i] is either a boxed vtype or null */
2485 mono_nullable_init (nullable_buf, (MonoObject*)params [i], klass);
2486 params [i] = nullable_buf;
2489 if (!t->byref && (MONO_TYPE_IS_REFERENCE (t) || t->type == MONO_TYPE_PTR)) {
2490 param_refs [i] = params [i];
2491 params [i] = &(param_refs [i]);
2493 args [pindex ++] = ¶ms [i];
2495 /* The gsharedvt out wrapper has an extra argument which contains the method to call */
2496 args [pindex ++] = &info->wrapper_arg;
2498 runtime_invoke = (MonoObject *(*)(MonoObject *, void **, MonoObject **, void *))info->runtime_invoke;
2500 runtime_invoke (NULL, args, exc, info->compiled_method);
2502 mono_error_set_exception_instance (error, (MonoException*) *exc);
2504 if (sig->ret->type != MONO_TYPE_VOID && info->ret_box_class)
2505 return mono_value_box_checked (domain, info->ret_box_class, retval, error);
2507 return *(MonoObject**)retval;
2511 * mono_jit_runtime_invoke:
2512 * @method: the method to invoke
2513 * @obj: this pointer
2514 * @params: array of parameter values.
2515 * @exc: Set to the exception raised in the managed method. If NULL, error is thrown instead.
2516 * If coop is enabled, this argument is ignored - all exceptoins are caught and propagated
2518 * @error: error or caught exception object
2521 mono_jit_runtime_invoke (MonoMethod *method, void *obj, void **params, MonoObject **exc, MonoError *error)
2523 MonoMethod *invoke, *callee;
2524 MonoObject *(*runtime_invoke) (MonoObject *this_obj, void **params, MonoObject **exc, void* compiled_method);
2525 MonoDomain *domain = mono_domain_get ();
2526 MonoJitDomainInfo *domain_info;
2527 RuntimeInvokeInfo *info, *info2;
2528 MonoJitInfo *ji = NULL;
2529 gboolean callee_gsharedvt = FALSE;
2531 mono_error_init (error);
2533 if (obj == NULL && !(method->flags & METHOD_ATTRIBUTE_STATIC) && !method->string_ctor && (method->wrapper_type == 0)) {
2534 g_warning ("Ignoring invocation of an instance method on a NULL instance.\n");
2538 domain_info = domain_jit_info (domain);
2540 info = (RuntimeInvokeInfo *)mono_conc_hashtable_lookup (domain_info->runtime_invoke_hash, method);
2543 if (mono_security_core_clr_enabled ()) {
2545 * This might be redundant since mono_class_vtable () already does this,
2546 * but keep it just in case for moonlight.
2548 mono_class_setup_vtable (method->klass);
2549 if (mono_class_has_failure (method->klass)) {
2550 MonoException *fail_exc = mono_class_get_exception_for_failure (method->klass);
2552 *exc = (MonoObject*)fail_exc;
2553 mono_error_set_exception_instance (error, fail_exc);
2558 gpointer compiled_method;
2561 if (method->klass->rank && (method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) &&
2562 (method->iflags & METHOD_IMPL_ATTRIBUTE_NATIVE)) {
2564 * Array Get/Set/Address methods. The JIT implements them using inline code
2565 * inside the runtime invoke wrappers, so no need to compile them.
2567 if (mono_aot_only) {
2569 * Call a wrapper, since the runtime invoke wrapper was not generated.
2571 MonoMethod *wrapper;
2573 wrapper = mono_marshal_get_array_accessor_wrapper (method);
2574 invoke = mono_marshal_get_runtime_invoke (wrapper, FALSE);
2582 compiled_method = mono_jit_compile_method_with_opt (callee, mono_get_optimizations_for_method (callee, default_opt), error);
2583 if (!compiled_method) {
2584 g_assert (!mono_error_ok (error));
2588 if (mono_llvm_only) {
2589 ji = mini_jit_info_table_find (mono_domain_get (), (char *)mono_get_addr_from_ftnptr (compiled_method), NULL);
2590 callee_gsharedvt = mini_jit_info_is_gsharedvt (ji);
2591 if (callee_gsharedvt)
2592 callee_gsharedvt = mini_is_gsharedvt_variable_signature (mono_method_signature (jinfo_get_method (ji)));
2595 if (!callee_gsharedvt)
2596 compiled_method = mini_add_method_trampoline (callee, compiled_method, mono_method_needs_static_rgctx_invoke (callee, TRUE), FALSE);
2598 compiled_method = NULL;
2601 info = create_runtime_invoke_info (domain, method, compiled_method, callee_gsharedvt, error);
2602 if (!mono_error_ok (error))
2605 mono_domain_lock (domain);
2606 info2 = (RuntimeInvokeInfo *)mono_conc_hashtable_insert (domain_info->runtime_invoke_hash, method, info);
2607 mono_domain_unlock (domain);
2615 * We need this here because mono_marshal_get_runtime_invoke can place
2616 * the helper method in System.Object and not the target class.
2618 if (!mono_runtime_class_init_full (info->vtable, error)) {
2620 *exc = (MonoObject*) mono_error_convert_to_exception (error);
2624 /* If coop is enabled, and the caller didn't ask for the exception to be caught separately,
2625 we always catch the exception and propagate it through the MonoError */
2626 gboolean catchExcInMonoError =
2627 (exc == NULL) && mono_threads_is_coop_enabled ();
2628 MonoObject *invoke_exc = NULL;
2629 if (catchExcInMonoError)
2632 /* The wrappers expect this to be initialized to NULL */
2636 #ifdef MONO_ARCH_DYN_CALL_SUPPORTED
2637 if (info->dyn_call_info) {
2638 MonoMethodSignature *sig = mono_method_signature (method);
2640 static RuntimeInvokeDynamicFunction dyn_runtime_invoke;
2643 guint8 retval [256];
2645 if (!dyn_runtime_invoke) {
2646 invoke = mono_marshal_get_runtime_invoke_dynamic ();
2647 dyn_runtime_invoke = (RuntimeInvokeDynamicFunction)mono_jit_compile_method (invoke, error);
2648 if (!mono_error_ok (error))
2652 /* Convert the arguments to the format expected by start_dyn_call () */
2653 args = (void **)g_alloca ((sig->param_count + sig->hasthis) * sizeof (gpointer));
2656 args [pindex ++] = &obj;
2657 for (i = 0; i < sig->param_count; ++i) {
2658 MonoType *t = sig->params [i];
2661 args [pindex ++] = ¶ms [i];
2662 } else if (MONO_TYPE_IS_REFERENCE (t) || t->type == MONO_TYPE_PTR) {
2663 args [pindex ++] = ¶ms [i];
2665 args [pindex ++] = params [i];
2669 //printf ("M: %s\n", mono_method_full_name (method, TRUE));
2671 mono_arch_start_dyn_call (info->dyn_call_info, (gpointer**)args, retval, buf, sizeof (buf));
2673 dyn_runtime_invoke (buf, exc, info->compiled_method);
2674 if (catchExcInMonoError && *exc != NULL)
2675 mono_error_set_exception_instance (error, (MonoException*) *exc);
2677 mono_arch_finish_dyn_call (info->dyn_call_info, buf);
2679 if (info->ret_box_class)
2680 return mono_value_box_checked (domain, info->ret_box_class, retval, error);
2682 return *(MonoObject**)retval;
2687 return mono_llvmonly_runtime_invoke (method, info, obj, params, exc, error);
2689 runtime_invoke = (MonoObject *(*)(MonoObject *, void **, MonoObject **, void *))info->runtime_invoke;
2691 MonoObject *result = runtime_invoke ((MonoObject *)obj, params, exc, info->compiled_method);
2692 if (catchExcInMonoError && *exc != NULL)
2693 mono_error_set_exception_instance (error, (MonoException*) *exc);
2702 typedef gpointer (*IMTThunkFunc) (gpointer *arg, MonoMethod *imt_method);
2705 * mini_llvmonly_initial_imt_thunk:
2707 * This function is called the first time a call is made through an IMT thunk.
2708 * It should have the same signature as the mono_llvmonly_imt_thunk_... functions.
2711 mini_llvmonly_initial_imt_thunk (gpointer *arg, MonoMethod *imt_method)
2713 IMTThunkInfo *info = (IMTThunkInfo*)arg;
2718 mono_vtable_build_imt_slot (info->vtable, info->slot);
2720 imt = (gpointer*)info->vtable;
2721 imt -= MONO_IMT_SIZE;
2723 /* Return what the real IMT thunk returns */
2724 ftndesc = imt [info->slot];
2727 if (func == (IMTThunkFunc)mini_llvmonly_initial_imt_thunk)
2728 /* Happens when the imt slot contains only a generic virtual method */
2730 return func ((gpointer *)ftndesc [1], imt_method);
2733 /* This is called indirectly through an imt slot. */
2735 mono_llvmonly_imt_thunk (gpointer *arg, MonoMethod *imt_method)
2739 /* arg points to an array created in mono_llvmonly_get_imt_thunk () */
2740 while (arg [i] && arg [i] != imt_method)
2747 /* Optimized versions of mono_llvmonly_imt_thunk () for different table sizes */
2749 mono_llvmonly_imt_thunk_1 (gpointer *arg, MonoMethod *imt_method)
2751 //g_assert (arg [0] == imt_method);
2756 mono_llvmonly_imt_thunk_2 (gpointer *arg, MonoMethod *imt_method)
2758 //g_assert (arg [0] == imt_method || arg [2] == imt_method);
2759 if (arg [0] == imt_method)
2766 mono_llvmonly_imt_thunk_3 (gpointer *arg, MonoMethod *imt_method)
2768 //g_assert (arg [0] == imt_method || arg [2] == imt_method || arg [4] == imt_method);
2769 if (arg [0] == imt_method)
2771 else if (arg [2] == imt_method)
2778 * A version of the imt thunk used for generic virtual/variant iface methods.
2779 * Unlikely a normal imt thunk, its possible that IMT_METHOD is not found
2780 * in the search table. The original JIT code had a 'fallback' trampoline it could
2781 * call, but we can't do that, so we just return NULL, and the compiled code
2785 mono_llvmonly_fallback_imt_thunk (gpointer *arg, MonoMethod *imt_method)
2789 while (arg [i] && arg [i] != imt_method)
2798 mono_llvmonly_get_imt_thunk (MonoVTable *vtable, MonoDomain *domain, MonoIMTCheckItem **imt_entries, int count, gpointer fail_tramp)
2802 int i, index, real_count;
2803 gboolean virtual_generic = FALSE;
2806 * Create an array which is passed to the imt thunk functions.
2807 * The array contains MonoMethod-function descriptor pairs, terminated by a NULL entry.
2811 for (i = 0; i < count; ++i) {
2812 MonoIMTCheckItem *item = imt_entries [i];
2814 if (item->is_equals)
2816 if (item->has_target_code)
2817 virtual_generic = TRUE;
2821 * Initialize all vtable entries reachable from this imt slot, so the compiled
2822 * code doesn't have to check it.
2824 for (i = 0; i < count; ++i) {
2825 MonoIMTCheckItem *item = imt_entries [i];
2828 if (!item->is_equals || item->has_target_code)
2830 vt_slot = item->value.vtable_slot;
2831 mono_init_vtable_slot (vtable, vt_slot);
2834 /* Save the entries into an array */
2835 buf = (void **)mono_domain_alloc (domain, (real_count + 1) * 2 * sizeof (gpointer));
2837 for (i = 0; i < count; ++i) {
2838 MonoIMTCheckItem *item = imt_entries [i];
2840 if (!item->is_equals)
2843 g_assert (item->key);
2844 buf [(index * 2)] = item->key;
2845 if (item->has_target_code)
2846 buf [(index * 2) + 1] = item->value.target_code;
2848 buf [(index * 2) + 1] = vtable->vtable [item->value.vtable_slot];
2851 buf [(index * 2)] = NULL;
2852 buf [(index * 2) + 1] = fail_tramp;
2855 * Return a function descriptor for a C function with 'buf' as its argument.
2856 * It will by called by JITted code.
2858 res = (void **)mono_domain_alloc (domain, 2 * sizeof (gpointer));
2859 switch (real_count) {
2861 res [0] = mono_llvmonly_imt_thunk_1;
2864 res [0] = mono_llvmonly_imt_thunk_2;
2867 res [0] = mono_llvmonly_imt_thunk_3;
2870 res [0] = mono_llvmonly_imt_thunk;
2873 if (virtual_generic || fail_tramp)
2874 res [0] = mono_llvmonly_fallback_imt_thunk;
2880 MONO_SIG_HANDLER_FUNC (, mono_sigfpe_signal_handler)
2882 MonoException *exc = NULL;
2884 MONO_SIG_HANDLER_INFO_TYPE *info = MONO_SIG_HANDLER_GET_INFO ();
2885 MONO_SIG_HANDLER_GET_CONTEXT;
2887 ji = mono_jit_info_table_find_internal (mono_domain_get (), (char *)mono_arch_ip_from_context (ctx), TRUE, TRUE);
2889 #if defined(MONO_ARCH_HAVE_IS_INT_OVERFLOW)
2890 if (mono_arch_is_int_overflow (ctx, info))
2892 * The spec says this throws ArithmeticException, but MS throws the derived
2893 * OverflowException.
2895 exc = mono_get_exception_overflow ();
2897 exc = mono_get_exception_divide_by_zero ();
2899 exc = mono_get_exception_divide_by_zero ();
2903 if (!mono_do_crash_chaining && mono_chain_signal (MONO_SIG_HANDLER_PARAMS))
2906 mono_handle_native_sigsegv (SIGSEGV, ctx, info);
2907 if (mono_do_crash_chaining) {
2908 mono_chain_signal (MONO_SIG_HANDLER_PARAMS);
2913 mono_arch_handle_exception (ctx, exc);
2916 MONO_SIG_HANDLER_FUNC (, mono_sigill_signal_handler)
2919 MONO_SIG_HANDLER_GET_CONTEXT;
2921 exc = mono_get_exception_execution_engine ("SIGILL");
2923 mono_arch_handle_exception (ctx, exc);
2926 #if defined(MONO_ARCH_USE_SIGACTION) || defined(HOST_WIN32)
2927 #define HAVE_SIG_INFO
2930 MONO_SIG_HANDLER_FUNC (, mono_sigsegv_signal_handler)
2933 MonoJitTlsData *jit_tls = (MonoJitTlsData *)mono_native_tls_get_value (mono_jit_tls_id);
2934 gpointer fault_addr = NULL;
2935 #ifdef HAVE_SIG_INFO
2936 MONO_SIG_HANDLER_INFO_TYPE *info = MONO_SIG_HANDLER_GET_INFO ();
2940 MONO_SIG_HANDLER_GET_CONTEXT;
2942 #if defined(MONO_ARCH_SOFT_DEBUG_SUPPORTED) && defined(HAVE_SIG_INFO)
2943 if (mono_arch_is_single_step_event (info, ctx)) {
2944 mono_debugger_agent_single_step_event (ctx);
2946 } else if (mono_arch_is_breakpoint_event (info, ctx)) {
2947 mono_debugger_agent_breakpoint_hit (ctx);
2952 #if defined(HAVE_SIG_INFO)
2953 #if !defined(HOST_WIN32)
2954 fault_addr = info->si_addr;
2955 if (mono_aot_is_pagefault (info->si_addr)) {
2956 mono_aot_handle_pagefault (info->si_addr);
2961 /* The thread might no be registered with the runtime */
2962 if (!mono_domain_get () || !jit_tls) {
2963 if (!mono_do_crash_chaining && mono_chain_signal (MONO_SIG_HANDLER_PARAMS))
2965 mono_handle_native_sigsegv (SIGSEGV, ctx, info);
2966 if (mono_do_crash_chaining) {
2967 mono_chain_signal (MONO_SIG_HANDLER_PARAMS);
2973 ji = mono_jit_info_table_find_internal (mono_domain_get (), (char *)mono_arch_ip_from_context (ctx), TRUE, TRUE);
2975 #ifdef MONO_ARCH_SIGSEGV_ON_ALTSTACK
2976 if (mono_handle_soft_stack_ovf (jit_tls, ji, ctx, info, (guint8*)info->si_addr))
2979 #ifdef MONO_ARCH_HAVE_SIGCTX_TO_MONOCTX
2980 /* info->si_addr seems to be NULL on some kernels when handling stack overflows */
2981 fault_addr = info->si_addr;
2982 if (fault_addr == NULL) {
2985 mono_sigctx_to_monoctx (ctx, &mctx);
2987 fault_addr = MONO_CONTEXT_GET_SP (&mctx);
2991 if (jit_tls->stack_size &&
2992 ABS ((guint8*)fault_addr - ((guint8*)jit_tls->end_of_stack - jit_tls->stack_size)) < 8192 * sizeof (gpointer)) {
2994 * The hard-guard page has been hit: there is not much we can do anymore
2995 * Print a hopefully clear message and abort.
2997 mono_handle_hard_stack_ovf (jit_tls, ji, ctx, (guint8*)info->si_addr);
2998 g_assert_not_reached ();
3000 /* The original handler might not like that it is executed on an altstack... */
3001 if (!ji && mono_chain_signal (MONO_SIG_HANDLER_PARAMS))
3004 mono_arch_handle_altstack_exception (ctx, info, info->si_addr, FALSE);
3009 if (!mono_do_crash_chaining && mono_chain_signal (MONO_SIG_HANDLER_PARAMS))
3012 mono_handle_native_sigsegv (SIGSEGV, ctx, info);
3014 if (mono_do_crash_chaining) {
3015 mono_chain_signal (MONO_SIG_HANDLER_PARAMS);
3020 mono_arch_handle_exception (ctx, NULL);
3024 MONO_SIG_HANDLER_FUNC (, mono_sigint_signal_handler)
3027 MONO_SIG_HANDLER_GET_CONTEXT;
3029 exc = mono_get_exception_execution_engine ("Interrupted (SIGINT).");
3031 mono_arch_handle_exception (ctx, exc);
3034 #ifndef DISABLE_REMOTING
3035 /* mono_jit_create_remoting_trampoline:
3036 * @method: pointer to the method info
3038 * Creates a trampoline which calls the remoting functions. This
3039 * is used in the vtable of transparent proxies.
3041 * Returns: a pointer to the newly created code
3044 mono_jit_create_remoting_trampoline (MonoDomain *domain, MonoMethod *method, MonoRemotingTarget target)
3047 guint8 *addr = NULL;
3049 if ((method->flags & METHOD_ATTRIBUTE_VIRTUAL) && mono_method_signature (method)->generic_param_count) {
3050 return mono_create_specific_trampoline (method, MONO_TRAMPOLINE_GENERIC_VIRTUAL_REMOTING,
3054 if ((method->flags & METHOD_ATTRIBUTE_ABSTRACT) ||
3055 (mono_method_signature (method)->hasthis && (mono_class_is_marshalbyref (method->klass) || method->klass == mono_defaults.object_class))) {
3056 nm = mono_marshal_get_remoting_invoke_for_target (method, target);
3057 addr = (guint8 *)mono_compile_method (nm);
3060 addr = (guint8 *)mono_compile_method (method);
3062 return mono_get_addr_from_ftnptr (addr);
3066 static G_GNUC_UNUSED void
3067 no_imt_trampoline (void)
3069 g_assert_not_reached ();
3072 static G_GNUC_UNUSED void
3073 no_vcall_trampoline (void)
3075 g_assert_not_reached ();
3078 static gpointer *vtable_trampolines;
3079 static int vtable_trampolines_size;
3082 mini_get_vtable_trampoline (MonoVTable *vt, int slot_index)
3084 int index = slot_index + MONO_IMT_SIZE;
3086 if (mono_llvm_only) {
3087 if (slot_index < 0) {
3088 /* Initialize the IMT thunks to a 'trampoline' so the generated code doesn't have to initialize it */
3089 // FIXME: Memory management
3090 gpointer *ftndesc = g_malloc (2 * sizeof (gpointer));
3091 IMTThunkInfo *info = g_new0 (IMTThunkInfo, 1);
3094 ftndesc [0] = mini_llvmonly_initial_imt_thunk;
3096 mono_memory_barrier ();
3103 g_assert (slot_index >= - MONO_IMT_SIZE);
3104 if (!vtable_trampolines || slot_index + MONO_IMT_SIZE >= vtable_trampolines_size) {
3106 if (!vtable_trampolines || index >= vtable_trampolines_size) {
3110 new_size = vtable_trampolines_size ? vtable_trampolines_size * 2 : 128;
3111 while (new_size <= index)
3113 new_table = g_new0 (gpointer, new_size);
3115 if (vtable_trampolines)
3116 memcpy (new_table, vtable_trampolines, vtable_trampolines_size * sizeof (gpointer));
3117 g_free (vtable_trampolines);
3118 mono_memory_barrier ();
3119 vtable_trampolines = (void **)new_table;
3120 vtable_trampolines_size = new_size;
3125 if (!vtable_trampolines [index])
3126 vtable_trampolines [index] = mono_create_specific_trampoline (GUINT_TO_POINTER (slot_index), MONO_TRAMPOLINE_VCALL, mono_get_root_domain (), NULL);
3127 return vtable_trampolines [index];
3131 mini_get_imt_trampoline (MonoVTable *vt, int slot_index)
3133 return mini_get_vtable_trampoline (vt, slot_index - MONO_IMT_SIZE);
3137 mini_imt_entry_inited (MonoVTable *vt, int imt_slot_index)
3142 gpointer *imt = (gpointer*)vt;
3143 imt -= MONO_IMT_SIZE;
3145 return (imt [imt_slot_index] != mini_get_imt_trampoline (vt, imt_slot_index));
3149 is_callee_gsharedvt_variable (gpointer addr)
3152 gboolean callee_gsharedvt;
3154 ji = mini_jit_info_table_find (mono_domain_get (), (char *)mono_get_addr_from_ftnptr (addr), NULL);
3156 callee_gsharedvt = mini_jit_info_is_gsharedvt (ji);
3157 if (callee_gsharedvt)
3158 callee_gsharedvt = mini_is_gsharedvt_variable_signature (mono_method_signature (jinfo_get_method (ji)));
3159 return callee_gsharedvt;
3163 mini_get_delegate_arg (MonoMethod *method, gpointer method_ptr)
3165 gpointer arg = NULL;
3167 if (mono_method_needs_static_rgctx_invoke (method, FALSE))
3168 arg = mini_method_get_rgctx (method);
3171 * Avoid adding gsharedvt in wrappers since they might not exist if
3172 * this delegate is called through a gsharedvt delegate invoke wrapper.
3173 * Instead, encode that the method is gsharedvt in del->extra_arg,
3174 * the CEE_MONO_CALLI_EXTRA_ARG implementation in the JIT depends on this.
3176 if (method->is_inflated && is_callee_gsharedvt_variable (method_ptr)) {
3177 g_assert ((((mgreg_t)arg) & 1) == 0);
3178 arg = (gpointer)(((mgreg_t)arg) | 1);
3184 mini_init_delegate (MonoDelegate *del)
3187 del->extra_arg = mini_get_delegate_arg (del->method, del->method_ptr);
3191 mono_get_delegate_virtual_invoke_impl (MonoMethodSignature *sig, MonoMethod *method)
3193 gboolean is_virtual_generic, is_interface, load_imt_reg;
3196 static guint8 **cache = NULL;
3197 static int cache_size = 0;
3202 if (MONO_TYPE_ISSTRUCT (sig->ret))
3205 is_virtual_generic = method->is_inflated && mono_method_get_declaring_generic_method (method)->is_generic;
3206 is_interface = method->klass->flags & TYPE_ATTRIBUTE_INTERFACE ? TRUE : FALSE;
3207 load_imt_reg = is_virtual_generic || is_interface;
3210 offset = ((gint32)mono_method_get_imt_slot (method) - MONO_IMT_SIZE) * SIZEOF_VOID_P;
3212 offset = G_STRUCT_OFFSET (MonoVTable, vtable) + ((mono_method_get_vtable_index (method)) * (SIZEOF_VOID_P));
3214 idx = (offset / SIZEOF_VOID_P + MONO_IMT_SIZE) * 2 + (load_imt_reg ? 1 : 0);
3215 g_assert (idx >= 0);
3217 /* Resize the cache to idx + 1 */
3218 if (cache_size < idx + 1) {
3220 if (cache_size < idx + 1) {
3222 int new_cache_size = idx + 1;
3224 new_cache = g_new0 (guint8*, new_cache_size);
3226 memcpy (new_cache, cache, cache_size * sizeof (guint8*));
3229 mono_memory_barrier ();
3231 cache_size = new_cache_size;
3239 /* FIXME Support more cases */
3240 if (mono_aot_only) {
3241 char tramp_name [256];
3242 const char *imt = load_imt_reg ? "_imt" : "";
3243 int ind = (load_imt_reg ? (-offset) : offset) / SIZEOF_VOID_P;
3245 sprintf (tramp_name, "delegate_virtual_invoke%s_%d", imt, ind);
3246 cache [idx] = (guint8 *)mono_aot_get_trampoline (tramp_name);
3247 g_assert (cache [idx]);
3249 cache [idx] = (guint8 *)mono_arch_get_delegate_virtual_invoke_impl (sig, method, offset, load_imt_reg);
3255 * mini_parse_debug_option:
3256 * @option: The option to parse.
3258 * Parses debug options for the mono runtime. The options are the same as for
3259 * the MONO_DEBUG environment variable.
3263 mini_parse_debug_option (const char *option)
3265 if (!strcmp (option, "handle-sigint"))
3266 debug_options.handle_sigint = TRUE;
3267 else if (!strcmp (option, "keep-delegates"))
3268 debug_options.keep_delegates = TRUE;
3269 else if (!strcmp (option, "reverse-pinvoke-exceptions"))
3270 debug_options.reverse_pinvoke_exceptions = TRUE;
3271 else if (!strcmp (option, "collect-pagefault-stats"))
3272 debug_options.collect_pagefault_stats = TRUE;
3273 else if (!strcmp (option, "break-on-unverified"))
3274 debug_options.break_on_unverified = TRUE;
3275 else if (!strcmp (option, "no-gdb-backtrace"))
3276 debug_options.no_gdb_backtrace = TRUE;
3277 else if (!strcmp (option, "suspend-on-sigsegv"))
3278 debug_options.suspend_on_sigsegv = TRUE;
3279 else if (!strcmp (option, "suspend-on-exception"))
3280 debug_options.suspend_on_exception = TRUE;
3281 else if (!strcmp (option, "suspend-on-unhandled"))
3282 debug_options.suspend_on_unhandled = TRUE;
3283 else if (!strcmp (option, "dont-free-domains"))
3284 mono_dont_free_domains = TRUE;
3285 else if (!strcmp (option, "dyn-runtime-invoke"))
3286 debug_options.dyn_runtime_invoke = TRUE;
3287 else if (!strcmp (option, "gdb"))
3288 debug_options.gdb = TRUE;
3289 else if (!strcmp (option, "explicit-null-checks"))
3290 debug_options.explicit_null_checks = TRUE;
3291 else if (!strcmp (option, "gen-seq-points"))
3292 debug_options.gen_sdb_seq_points = TRUE;
3293 else if (!strcmp (option, "gen-compact-seq-points"))
3294 debug_options.gen_seq_points_compact_data = TRUE;
3295 else if (!strcmp (option, "single-imm-size"))
3296 debug_options.single_imm_size = TRUE;
3297 else if (!strcmp (option, "init-stacks"))
3298 debug_options.init_stacks = TRUE;
3299 else if (!strcmp (option, "casts"))
3300 debug_options.better_cast_details = TRUE;
3301 else if (!strcmp (option, "soft-breakpoints"))
3302 debug_options.soft_breakpoints = TRUE;
3303 else if (!strcmp (option, "check-pinvoke-callconv"))
3304 debug_options.check_pinvoke_callconv = TRUE;
3305 else if (!strcmp (option, "arm-use-fallback-tls"))
3306 debug_options.arm_use_fallback_tls = TRUE;
3307 else if (!strcmp (option, "debug-domain-unload"))
3308 mono_enable_debug_domain_unload (TRUE);
3309 else if (!strcmp (option, "partial-sharing"))
3310 mono_set_partial_sharing_supported (TRUE);
3311 else if (!strcmp (option, "align-small-structs"))
3312 mono_align_small_structs = TRUE;
3313 else if (!strcmp (option, "native-debugger-break"))
3314 debug_options.native_debugger_break = TRUE;
3315 else if (!strcmp (option, "disable_omit_fp"))
3316 debug_options.disable_omit_fp = TRUE;
3324 mini_parse_debug_options (void)
3326 const char *options = g_getenv ("MONO_DEBUG");
3327 gchar **args, **ptr;
3332 args = g_strsplit (options, ",", -1);
3334 for (ptr = args; ptr && *ptr; ptr++) {
3335 const char *arg = *ptr;
3337 if (!mini_parse_debug_option (arg)) {
3338 fprintf (stderr, "Invalid option for the MONO_DEBUG env variable: %s\n", arg);
3339 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");
3348 mini_get_debug_options (void)
3350 return &debug_options;
3354 mini_create_ftnptr (MonoDomain *domain, gpointer addr)
3356 #if !defined(__ia64__) && (!defined(__ppc64__) && !defined(__powerpc64__) || _CALL_ELF == 2)
3359 gpointer* desc = NULL;
3361 if ((desc = g_hash_table_lookup (domain->ftnptrs_hash, addr)))
3364 desc = mono_domain_code_reserve (domain, 2 * sizeof (gpointer));
3368 # elif defined(__ppc64__) || defined(__powerpc64__)
3370 desc = mono_domain_alloc0 (domain, 3 * sizeof (gpointer));
3376 g_hash_table_insert (domain->ftnptrs_hash, addr, desc);
3382 mini_get_addr_from_ftnptr (gpointer descr)
3384 #if defined(__ia64__) || ((defined(__ppc64__) || defined(__powerpc64__)) && _CALL_ELF != 2)
3385 return *(gpointer*)descr;
3392 register_jit_stats (void)
3394 mono_counters_register ("Compiled methods", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.methods_compiled);
3395 mono_counters_register ("Methods from AOT", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.methods_aot);
3396 mono_counters_register ("Methods JITted using mono JIT", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.methods_without_llvm);
3397 mono_counters_register ("Methods JITted using LLVM", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.methods_with_llvm);
3398 mono_counters_register ("JIT/method_to_ir (sec)", MONO_COUNTER_JIT | MONO_COUNTER_DOUBLE, &mono_jit_stats.jit_method_to_ir);
3399 mono_counters_register ("JIT/liveness_handle_exception_clauses (sec)", MONO_COUNTER_JIT | MONO_COUNTER_DOUBLE, &mono_jit_stats.jit_liveness_handle_exception_clauses);
3400 mono_counters_register ("JIT/handle_out_of_line_bblock (sec)", MONO_COUNTER_JIT | MONO_COUNTER_DOUBLE, &mono_jit_stats.jit_handle_out_of_line_bblock);
3401 mono_counters_register ("JIT/decompose_long_opts (sec)", MONO_COUNTER_JIT | MONO_COUNTER_DOUBLE, &mono_jit_stats.jit_decompose_long_opts);
3402 mono_counters_register ("JIT/local_cprop (sec)", MONO_COUNTER_JIT | MONO_COUNTER_DOUBLE, &mono_jit_stats.jit_local_cprop);
3403 mono_counters_register ("JIT/local_emulate_ops (sec)", MONO_COUNTER_JIT | MONO_COUNTER_DOUBLE, &mono_jit_stats.jit_local_emulate_ops);
3404 mono_counters_register ("JIT/optimize_branches (sec)", MONO_COUNTER_JIT | MONO_COUNTER_DOUBLE, &mono_jit_stats.jit_optimize_branches);
3405 mono_counters_register ("JIT/handle_global_vregs (sec)", MONO_COUNTER_JIT | MONO_COUNTER_DOUBLE, &mono_jit_stats.jit_handle_global_vregs);
3406 mono_counters_register ("JIT/local_deadce (sec)", MONO_COUNTER_JIT | MONO_COUNTER_DOUBLE, &mono_jit_stats.jit_local_deadce);
3407 mono_counters_register ("JIT/local_alias_analysis (sec)", MONO_COUNTER_JIT | MONO_COUNTER_DOUBLE, &mono_jit_stats.jit_local_alias_analysis);
3408 mono_counters_register ("JIT/if_conversion (sec)", MONO_COUNTER_JIT | MONO_COUNTER_DOUBLE, &mono_jit_stats.jit_if_conversion);
3409 mono_counters_register ("JIT/bb_ordering (sec)", MONO_COUNTER_JIT | MONO_COUNTER_DOUBLE, &mono_jit_stats.jit_bb_ordering);
3410 mono_counters_register ("JIT/compile_dominator_info (sec)", MONO_COUNTER_JIT | MONO_COUNTER_DOUBLE, &mono_jit_stats.jit_compile_dominator_info);
3411 mono_counters_register ("JIT/compute_natural_loops (sec)", MONO_COUNTER_JIT | MONO_COUNTER_DOUBLE, &mono_jit_stats.jit_compute_natural_loops);
3412 mono_counters_register ("JIT/insert_safepoints (sec)", MONO_COUNTER_JIT | MONO_COUNTER_DOUBLE, &mono_jit_stats.jit_insert_safepoints);
3413 mono_counters_register ("JIT/ssa_compute (sec)", MONO_COUNTER_JIT | MONO_COUNTER_DOUBLE, &mono_jit_stats.jit_ssa_compute);
3414 mono_counters_register ("JIT/ssa_cprop (sec)", MONO_COUNTER_JIT | MONO_COUNTER_DOUBLE, &mono_jit_stats.jit_ssa_cprop);
3415 mono_counters_register ("JIT/ssa_deadce(sec)", MONO_COUNTER_JIT | MONO_COUNTER_DOUBLE, &mono_jit_stats.jit_ssa_deadce);
3416 mono_counters_register ("JIT/perform_abc_removal (sec)", MONO_COUNTER_JIT | MONO_COUNTER_DOUBLE, &mono_jit_stats.jit_perform_abc_removal);
3417 mono_counters_register ("JIT/ssa_remove (sec)", MONO_COUNTER_JIT | MONO_COUNTER_DOUBLE, &mono_jit_stats.jit_ssa_remove);
3418 mono_counters_register ("JIT/local_cprop2 (sec)", MONO_COUNTER_JIT | MONO_COUNTER_DOUBLE, &mono_jit_stats.jit_local_cprop2);
3419 mono_counters_register ("JIT/handle_global_vregs2 (sec)", MONO_COUNTER_JIT | MONO_COUNTER_DOUBLE, &mono_jit_stats.jit_handle_global_vregs2);
3420 mono_counters_register ("JIT/local_deadce2 (sec)", MONO_COUNTER_JIT | MONO_COUNTER_DOUBLE, &mono_jit_stats.jit_local_deadce2);
3421 mono_counters_register ("JIT/optimize_branches2 (sec)", MONO_COUNTER_JIT | MONO_COUNTER_DOUBLE, &mono_jit_stats.jit_optimize_branches2);
3422 mono_counters_register ("JIT/decompose_vtype_opts (sec)", MONO_COUNTER_JIT | MONO_COUNTER_DOUBLE, &mono_jit_stats.jit_decompose_vtype_opts);
3423 mono_counters_register ("JIT/decompose_array_access_opts (sec)", MONO_COUNTER_JIT | MONO_COUNTER_DOUBLE, &mono_jit_stats.jit_decompose_array_access_opts);
3424 mono_counters_register ("JIT/liveness_handle_exception_clauses2 (sec)", MONO_COUNTER_JIT | MONO_COUNTER_DOUBLE, &mono_jit_stats.jit_liveness_handle_exception_clauses2);
3425 mono_counters_register ("JIT/analyze_liveness (sec)", MONO_COUNTER_JIT | MONO_COUNTER_DOUBLE, &mono_jit_stats.jit_analyze_liveness);
3426 mono_counters_register ("JIT/linear_scan (sec)", MONO_COUNTER_JIT | MONO_COUNTER_DOUBLE, &mono_jit_stats.jit_linear_scan);
3427 mono_counters_register ("JIT/arch_allocate_vars (sec)", MONO_COUNTER_JIT | MONO_COUNTER_DOUBLE, &mono_jit_stats.jit_arch_allocate_vars);
3428 mono_counters_register ("JIT/spill_global_vars (sec)", MONO_COUNTER_JIT | MONO_COUNTER_DOUBLE, &mono_jit_stats.jit_spill_global_vars);
3429 mono_counters_register ("JIT/local_cprop3 (sec)", MONO_COUNTER_JIT | MONO_COUNTER_DOUBLE, &mono_jit_stats.jit_local_cprop3);
3430 mono_counters_register ("JIT/local_deadce3 (sec)", MONO_COUNTER_JIT | MONO_COUNTER_DOUBLE, &mono_jit_stats.jit_local_deadce3);
3431 mono_counters_register ("JIT/codegen (sec)", MONO_COUNTER_JIT | MONO_COUNTER_DOUBLE, &mono_jit_stats.jit_codegen);
3432 mono_counters_register ("JIT/create_jit_info (sec)", MONO_COUNTER_JIT | MONO_COUNTER_DOUBLE, &mono_jit_stats.jit_create_jit_info);
3433 mono_counters_register ("JIT/gc_create_gc_map (sec)", MONO_COUNTER_JIT | MONO_COUNTER_DOUBLE, &mono_jit_stats.jit_gc_create_gc_map);
3434 mono_counters_register ("JIT/save_seq_point_info (sec)", MONO_COUNTER_JIT | MONO_COUNTER_DOUBLE, &mono_jit_stats.jit_save_seq_point_info);
3435 mono_counters_register ("Total time spent JITting (sec)", MONO_COUNTER_JIT | MONO_COUNTER_DOUBLE, &mono_jit_stats.jit_time);
3436 mono_counters_register ("Basic blocks", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.basic_blocks);
3437 mono_counters_register ("Max basic blocks", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.max_basic_blocks);
3438 mono_counters_register ("Allocated vars", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.allocate_var);
3439 mono_counters_register ("Code reallocs", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.code_reallocs);
3440 mono_counters_register ("Allocated code size", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.allocated_code_size);
3441 mono_counters_register ("Allocated seq points size", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.allocated_seq_points_size);
3442 mono_counters_register ("Inlineable methods", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.inlineable_methods);
3443 mono_counters_register ("Inlined methods", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.inlined_methods);
3444 mono_counters_register ("Regvars", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.regvars);
3445 mono_counters_register ("Locals stack size", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.locals_stack_size);
3446 mono_counters_register ("Method cache lookups", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.methods_lookups);
3447 mono_counters_register ("Compiled CIL code size", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.cil_code_size);
3448 mono_counters_register ("Native code size", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.native_code_size);
3449 mono_counters_register ("Aliases found", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.alias_found);
3450 mono_counters_register ("Aliases eliminated", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.alias_removed);
3451 mono_counters_register ("Aliased loads eliminated", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.loads_eliminated);
3452 mono_counters_register ("Aliased stores eliminated", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.stores_eliminated);
3455 static void runtime_invoke_info_free (gpointer value);
3458 class_method_pair_equal (gconstpointer ka, gconstpointer kb)
3460 const MonoClassMethodPair *apair = (const MonoClassMethodPair *)ka;
3461 const MonoClassMethodPair *bpair = (const MonoClassMethodPair *)kb;
3463 return apair->klass == bpair->klass && apair->method == bpair->method ? 1 : 0;
3467 class_method_pair_hash (gconstpointer data)
3469 const MonoClassMethodPair *pair = (const MonoClassMethodPair *)data;
3471 return (gsize)pair->klass ^ (gsize)pair->method;
3475 mini_create_jit_domain_info (MonoDomain *domain)
3477 MonoJitDomainInfo *info = g_new0 (MonoJitDomainInfo, 1);
3479 info->jump_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
3480 info->jit_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
3481 info->delegate_trampoline_hash = g_hash_table_new (class_method_pair_hash, class_method_pair_equal);
3482 info->llvm_vcall_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
3483 info->runtime_invoke_hash = mono_conc_hashtable_new_full (mono_aligned_addr_hash, NULL, NULL, runtime_invoke_info_free);
3484 info->seq_points = g_hash_table_new_full (mono_aligned_addr_hash, NULL, NULL, mono_seq_point_info_free);
3485 info->arch_seq_points = g_hash_table_new (mono_aligned_addr_hash, NULL);
3486 info->jump_target_hash = g_hash_table_new (NULL, NULL);
3488 domain->runtime_info = info;
3492 delete_jump_list (gpointer key, gpointer value, gpointer user_data)
3494 MonoJumpList *jlist = (MonoJumpList *)value;
3495 g_slist_free (jlist->list);
3499 delete_got_slot_list (gpointer key, gpointer value, gpointer user_data)
3501 GSList *list = (GSList *)value;
3502 g_slist_free (list);
3506 dynamic_method_info_free (gpointer key, gpointer value, gpointer user_data)
3508 MonoJitDynamicMethodInfo *di = (MonoJitDynamicMethodInfo *)value;
3509 mono_code_manager_destroy (di->code_mp);
3514 runtime_invoke_info_free (gpointer value)
3516 RuntimeInvokeInfo *info = (RuntimeInvokeInfo*)value;
3518 #ifdef MONO_ARCH_DYN_CALL_SUPPORTED
3519 if (info->dyn_call_info)
3520 mono_arch_dyn_call_free (info->dyn_call_info);
3526 free_jit_callee_list (gpointer key, gpointer value, gpointer user_data)
3528 g_slist_free (value);
3532 mini_free_jit_domain_info (MonoDomain *domain)
3534 MonoJitDomainInfo *info = domain_jit_info (domain);
3536 g_hash_table_foreach (info->jump_target_hash, delete_jump_list, NULL);
3537 g_hash_table_destroy (info->jump_target_hash);
3538 if (info->jump_target_got_slot_hash) {
3539 g_hash_table_foreach (info->jump_target_got_slot_hash, delete_got_slot_list, NULL);
3540 g_hash_table_destroy (info->jump_target_got_slot_hash);
3542 if (info->dynamic_code_hash) {
3543 g_hash_table_foreach (info->dynamic_code_hash, dynamic_method_info_free, NULL);
3544 g_hash_table_destroy (info->dynamic_code_hash);
3546 if (info->method_code_hash)
3547 g_hash_table_destroy (info->method_code_hash);
3548 g_hash_table_destroy (info->jump_trampoline_hash);
3549 g_hash_table_destroy (info->jit_trampoline_hash);
3550 g_hash_table_destroy (info->delegate_trampoline_hash);
3551 if (info->static_rgctx_trampoline_hash)
3552 g_hash_table_destroy (info->static_rgctx_trampoline_hash);
3553 g_hash_table_destroy (info->llvm_vcall_trampoline_hash);
3554 mono_conc_hashtable_destroy (info->runtime_invoke_hash);
3555 g_hash_table_destroy (info->seq_points);
3556 g_hash_table_destroy (info->arch_seq_points);
3557 if (info->agent_info)
3558 mono_debugger_agent_free_domain_info (domain);
3559 if (info->gsharedvt_arg_tramp_hash)
3560 g_hash_table_destroy (info->gsharedvt_arg_tramp_hash);
3561 if (info->llvm_jit_callees) {
3562 g_hash_table_foreach (info->llvm_jit_callees, free_jit_callee_list, NULL);
3563 g_hash_table_destroy (info->llvm_jit_callees);
3566 mono_llvm_free_domain_info (domain);
3569 g_free (domain->runtime_info);
3570 domain->runtime_info = NULL;
3575 llvm_init_inner (void)
3577 if (!mono_llvm_load (NULL))
3588 * Load and initialize LLVM support.
3589 * Return TRUE on success.
3592 mini_llvm_init (void)
3595 static gboolean llvm_inited;
3596 static gboolean init_result;
3598 mono_loader_lock_if_inited ();
3600 init_result = llvm_init_inner ();
3603 mono_loader_unlock_if_inited ();
3611 mini_init (const char *filename, const char *runtime_version)
3615 MonoRuntimeCallbacks callbacks;
3616 MonoThreadInfoRuntimeCallbacks ticallbacks;
3618 MONO_VES_INIT_BEGIN ();
3620 CHECKED_MONO_INIT ();
3622 #if defined(__linux__) && !defined(__native_client__)
3623 if (access ("/proc/self/maps", F_OK) != 0) {
3624 g_print ("Mono requires /proc to be mounted.\n");
3629 mono_os_mutex_init_recursive (&jit_mutex);
3631 mono_cross_helpers_run ();
3635 /* Happens when using the embedding interface */
3636 if (!default_opt_set)
3637 default_opt = mono_parse_default_optimizations (NULL);
3639 #ifdef MONO_ARCH_GSHAREDVT_SUPPORTED
3641 mono_set_generic_sharing_vt_supported (TRUE);
3644 mono_set_generic_sharing_vt_supported (TRUE);
3647 #ifdef MONO_HAVE_FAST_TLS
3648 MONO_FAST_TLS_INIT (mono_jit_tls);
3649 MONO_FAST_TLS_INIT (mono_lmf_addr);
3650 #ifdef MONO_ARCH_ENABLE_MONO_LMF_VAR
3651 MONO_FAST_TLS_INIT (mono_lmf);
3655 mono_runtime_set_has_tls_get (MONO_ARCH_HAVE_TLS_GET);
3657 if (!global_codeman)
3658 global_codeman = mono_code_manager_new ();
3660 memset (&callbacks, 0, sizeof (callbacks));
3661 callbacks.create_ftnptr = mini_create_ftnptr;
3662 callbacks.get_addr_from_ftnptr = mini_get_addr_from_ftnptr;
3663 callbacks.get_runtime_build_info = mono_get_runtime_build_info;
3664 callbacks.set_cast_details = mono_set_cast_details;
3665 callbacks.debug_log = mono_debugger_agent_debug_log;
3666 callbacks.debug_log_is_enabled = mono_debugger_agent_debug_log_is_enabled;
3667 callbacks.tls_key_supported = mini_tls_key_supported;
3668 callbacks.get_vtable_trampoline = mini_get_vtable_trampoline;
3669 callbacks.get_imt_trampoline = mini_get_imt_trampoline;
3670 callbacks.imt_entry_inited = mini_imt_entry_inited;
3671 callbacks.init_delegate = mini_init_delegate;
3672 #define JIT_INVOKE_WORKS
3673 #ifdef JIT_INVOKE_WORKS
3674 callbacks.runtime_invoke = mono_jit_runtime_invoke;
3676 #define JIT_TRAMPOLINES_WORK
3677 #ifdef JIT_TRAMPOLINES_WORK
3678 callbacks.compile_method = mono_jit_compile_method;
3679 callbacks.create_jump_trampoline = mono_create_jump_trampoline;
3680 callbacks.create_jit_trampoline = mono_create_jit_trampoline;
3683 mono_install_callbacks (&callbacks);
3685 memset (&ticallbacks, 0, sizeof (ticallbacks));
3686 ticallbacks.setup_async_callback = mono_setup_async_callback;
3687 ticallbacks.thread_state_init_from_sigctx = mono_thread_state_init_from_sigctx;
3688 ticallbacks.thread_state_init_from_handle = mono_thread_state_init_from_handle;
3689 ticallbacks.thread_state_init = mono_thread_state_init;
3691 mono_counters_init ();
3693 mono_threads_runtime_init (&ticallbacks);
3695 if (g_getenv ("MONO_DEBUG") != NULL)
3696 mini_parse_debug_options ();
3698 mono_code_manager_init ();
3702 mono_arch_cpu_init ();
3706 mono_unwind_init ();
3708 #ifdef XDEBUG_ENABLED
3709 if (g_getenv ("MONO_XDEBUG")) {
3710 const char *xdebug_opts = g_getenv ("MONO_XDEBUG");
3711 mono_xdebug_init (xdebug_opts);
3712 /* So methods for multiple domains don't have the same address */
3713 mono_dont_free_domains = TRUE;
3714 mono_using_xdebug = TRUE;
3715 } else if (mini_get_debug_options ()->gdb) {
3716 mono_xdebug_init ((char*)"gdb");
3717 mono_dont_free_domains = TRUE;
3718 mono_using_xdebug = TRUE;
3723 if (mono_use_llvm) {
3724 if (!mono_llvm_load (NULL)) {
3725 mono_use_llvm = FALSE;
3726 fprintf (stderr, "Mono Warning: llvm support could not be loaded.\n");
3733 mono_trampolines_init ();
3735 mono_native_tls_alloc (&mono_jit_tls_id, NULL);
3737 if (default_opt & MONO_OPT_AOT)
3740 mono_debugger_agent_init ();
3742 #ifdef MONO_ARCH_GSHARED_SUPPORTED
3743 mono_set_generic_sharing_supported (TRUE);
3746 #ifndef MONO_CROSS_COMPILE
3747 mono_runtime_install_handlers ();
3749 mono_threads_install_cleanup (mini_thread_cleanup);
3751 #ifdef JIT_TRAMPOLINES_WORK
3752 mono_install_free_method (mono_jit_free_method);
3753 #ifndef DISABLE_REMOTING
3754 mono_install_remoting_trampoline (mono_jit_create_remoting_trampoline);
3756 mono_install_delegate_trampoline (mono_create_delegate_trampoline);
3757 mono_install_create_domain_hook (mini_create_jit_domain_info);
3758 mono_install_free_domain_hook (mini_free_jit_domain_info);
3760 mono_install_get_cached_class_info (mono_aot_get_cached_class_info);
3761 mono_install_get_class_from_name (mono_aot_get_class_from_name);
3762 mono_install_jit_info_find_in_aot (mono_aot_find_jit_info);
3764 if (debug_options.collect_pagefault_stats)
3765 mono_aot_set_make_unreadable (TRUE);
3767 if (runtime_version)
3768 domain = mono_init_version (filename, runtime_version);
3770 domain = mono_init_from_assembly (filename, filename);
3772 if (mono_aot_only) {
3773 /* This helps catch code allocation requests */
3774 mono_code_manager_set_read_only (domain->code_mp);
3775 mono_marshal_use_aot_wrappers (TRUE);
3778 if (mono_llvm_only) {
3779 mono_install_imt_thunk_builder (mono_llvmonly_get_imt_thunk);
3780 mono_set_always_build_imt_thunks (TRUE);
3781 } else if (mono_aot_only) {
3782 mono_install_imt_thunk_builder (mono_aot_get_imt_thunk);
3784 mono_install_imt_thunk_builder (mono_arch_build_imt_thunk);
3787 /*Init arch tls information only after the metadata side is inited to make sure we see dynamic appdomain tls keys*/
3788 mono_arch_finish_init ();
3792 /* This must come after mono_init () in the aot-only case */
3793 mono_exceptions_init ();
3795 /* This should come after mono_init () too */
3799 mono_create_helper_signatures ();
3802 register_jit_stats ();
3804 #define JIT_CALLS_WORK
3805 #ifdef JIT_CALLS_WORK
3806 /* Needs to be called here since register_jit_icall depends on it */
3807 mono_marshal_init ();
3809 mono_arch_register_lowlevel_calls ();
3813 mono_generic_sharing_init ();
3816 #ifdef MONO_ARCH_SIMD_INTRINSICS
3817 mono_simd_intrinsics_init ();
3820 #if MONO_SUPPORT_TASKLETS
3821 mono_tasklets_init ();
3824 register_trampolines (domain);
3826 if (mono_compile_aot)
3828 * Avoid running managed code when AOT compiling, since the platform
3829 * might only support aot-only execution.
3831 mono_runtime_set_no_exec (TRUE);
3833 #define JIT_RUNTIME_WORKS
3834 #ifdef JIT_RUNTIME_WORKS
3835 mono_install_runtime_cleanup ((MonoDomainFunc)mini_cleanup);
3836 mono_runtime_init_checked (domain, mono_thread_start_cb, mono_thread_attach_cb, &error);
3837 mono_error_assert_ok (&error);
3838 mono_thread_attach (domain);
3841 if (mono_profiler_get_events () & MONO_PROFILE_STATISTICAL)
3842 mono_runtime_setup_stat_profiler ();
3844 mono_profiler_runtime_initialized ();
3846 MONO_VES_INIT_END ();
3852 register_icalls (void)
3854 mono_add_internal_call ("System.Diagnostics.StackFrame::get_frame_info",
3855 ves_icall_get_frame_info);
3856 mono_add_internal_call ("System.Diagnostics.StackTrace::get_trace",
3857 ves_icall_get_trace);
3858 mono_add_internal_call ("Mono.Runtime::mono_runtime_install_handlers",
3859 mono_runtime_install_handlers);
3861 #if defined(PLATFORM_ANDROID) || defined(TARGET_ANDROID)
3862 mono_add_internal_call ("System.Diagnostics.Debugger::Mono_UnhandledException_internal",
3863 mono_debugger_agent_unhandled_exception);
3867 * It's important that we pass `TRUE` as the last argument here, as
3868 * it causes the JIT to omit a wrapper for these icalls. If the JIT
3869 * *did* emit a wrapper, we'd be looking at infinite recursion since
3870 * the wrapper would call the icall which would call the wrapper and
3873 register_icall (mono_profiler_method_enter, "mono_profiler_method_enter", "void ptr", TRUE);
3874 register_icall (mono_profiler_method_leave, "mono_profiler_method_leave", "void ptr", TRUE);
3876 register_icall (mono_trace_enter_method, "mono_trace_enter_method", NULL, TRUE);
3877 register_icall (mono_trace_leave_method, "mono_trace_leave_method", NULL, TRUE);
3878 register_icall (mono_get_lmf_addr, "mono_get_lmf_addr", "ptr", TRUE);
3879 register_icall (mono_jit_thread_attach, "mono_jit_thread_attach", "ptr ptr ptr", TRUE);
3880 register_icall (mono_jit_thread_detach, "mono_jit_thread_detach", "void ptr ptr", TRUE);
3881 register_icall (mono_domain_get, "mono_domain_get", "ptr", TRUE);
3883 register_icall (mono_llvm_throw_exception, "mono_llvm_throw_exception", "void object", TRUE);
3884 register_icall (mono_llvm_rethrow_exception, "mono_llvm_rethrow_exception", "void object", TRUE);
3885 register_icall (mono_llvm_resume_exception, "mono_llvm_resume_exception", "void", TRUE);
3886 register_icall (mono_llvm_match_exception, "mono_llvm_match_exception", "int ptr int int", TRUE);
3887 register_icall (mono_llvm_clear_exception, "mono_llvm_clear_exception", NULL, TRUE);
3888 register_icall (mono_llvm_load_exception, "mono_llvm_load_exception", "object", TRUE);
3889 register_icall (mono_llvm_throw_corlib_exception, "mono_llvm_throw_corlib_exception", "void int", TRUE);
3890 #if defined(ENABLE_LLVM) && !defined(MONO_LLVM_LOADED)
3891 register_icall (mono_llvm_set_unhandled_exception_handler, "mono_llvm_set_unhandled_exception_handler", NULL, TRUE);
3893 // FIXME: This is broken
3894 register_icall (mono_debug_personality, "mono_debug_personality", "int int int ptr ptr ptr", TRUE);
3897 register_dyn_icall (mono_get_throw_exception (), "mono_arch_throw_exception", "void object", TRUE);
3898 register_dyn_icall (mono_get_rethrow_exception (), "mono_arch_rethrow_exception", "void object", TRUE);
3899 register_dyn_icall (mono_get_throw_corlib_exception (), "mono_arch_throw_corlib_exception", "void ptr", TRUE);
3900 register_icall (mono_thread_get_undeniable_exception, "mono_thread_get_undeniable_exception", "object", FALSE);
3901 register_icall (mono_thread_interruption_checkpoint, "mono_thread_interruption_checkpoint", "object", FALSE);
3902 register_icall (mono_thread_force_interruption_checkpoint_noraise, "mono_thread_force_interruption_checkpoint_noraise", "object", FALSE);
3903 #ifndef DISABLE_REMOTING
3904 register_icall (mono_load_remote_field_new_icall, "mono_load_remote_field_new_icall", "object object ptr ptr", FALSE);
3905 register_icall (mono_store_remote_field_new_icall, "mono_store_remote_field_new_icall", "void object ptr ptr object", FALSE);
3908 #if defined(__native_client__) || defined(__native_client_codegen__)
3909 register_icall (mono_nacl_gc, "mono_nacl_gc", "void", FALSE);
3912 if (mono_threads_is_coop_enabled ())
3913 register_icall (mono_threads_state_poll, "mono_threads_state_poll", "void", FALSE);
3915 #ifndef MONO_ARCH_NO_EMULATE_LONG_MUL_OPTS
3916 register_opcode_emulation (OP_LMUL, "__emul_lmul", "long long long", mono_llmult, "mono_llmult", TRUE);
3917 register_opcode_emulation (OP_LDIV, "__emul_ldiv", "long long long", mono_lldiv, "mono_lldiv", FALSE);
3918 register_opcode_emulation (OP_LDIV_UN, "__emul_ldiv_un", "long long long", mono_lldiv_un, "mono_lldiv_un", FALSE);
3919 register_opcode_emulation (OP_LREM, "__emul_lrem", "long long long", mono_llrem, "mono_llrem", FALSE);
3920 register_opcode_emulation (OP_LREM_UN, "__emul_lrem_un", "long long long", mono_llrem_un, "mono_llrem_un", FALSE);
3922 #if !defined(MONO_ARCH_NO_EMULATE_LONG_MUL_OPTS) || defined(MONO_ARCH_EMULATE_LONG_MUL_OVF_OPTS)
3923 register_opcode_emulation (OP_LMUL_OVF_UN, "__emul_lmul_ovf_un", "long long long", mono_llmult_ovf_un, "mono_llmult_ovf_un", FALSE);
3924 register_opcode_emulation (OP_LMUL_OVF, "__emul_lmul_ovf", "long long long", mono_llmult_ovf, "mono_llmult_ovf", FALSE);
3927 #ifndef MONO_ARCH_NO_EMULATE_LONG_SHIFT_OPS
3928 register_opcode_emulation (OP_LSHL, "__emul_lshl", "long long int32", mono_lshl, "mono_lshl", TRUE);
3929 register_opcode_emulation (OP_LSHR, "__emul_lshr", "long long int32", mono_lshr, "mono_lshr", TRUE);
3930 register_opcode_emulation (OP_LSHR_UN, "__emul_lshr_un", "long long int32", mono_lshr_un, "mono_lshr_un", TRUE);
3933 #if defined(MONO_ARCH_EMULATE_MUL_DIV) || defined(MONO_ARCH_EMULATE_DIV)
3934 register_opcode_emulation (OP_IDIV, "__emul_op_idiv", "int32 int32 int32", mono_idiv, "mono_idiv", FALSE);
3935 register_opcode_emulation (OP_IDIV_UN, "__emul_op_idiv_un", "int32 int32 int32", mono_idiv_un, "mono_idiv_un", FALSE);
3936 register_opcode_emulation (OP_IREM, "__emul_op_irem", "int32 int32 int32", mono_irem, "mono_irem", FALSE);
3937 register_opcode_emulation (OP_IREM_UN, "__emul_op_irem_un", "int32 int32 int32", mono_irem_un, "mono_irem_un", FALSE);
3940 #ifdef MONO_ARCH_EMULATE_MUL_DIV
3941 register_opcode_emulation (OP_IMUL, "__emul_op_imul", "int32 int32 int32", mono_imul, "mono_imul", TRUE);
3944 #if defined(MONO_ARCH_EMULATE_MUL_DIV) || defined(MONO_ARCH_EMULATE_MUL_OVF)
3945 register_opcode_emulation (OP_IMUL_OVF, "__emul_op_imul_ovf", "int32 int32 int32", mono_imul_ovf, "mono_imul_ovf", FALSE);
3946 register_opcode_emulation (OP_IMUL_OVF_UN, "__emul_op_imul_ovf_un", "int32 int32 int32", mono_imul_ovf_un, "mono_imul_ovf_un", FALSE);
3949 #if defined(MONO_ARCH_EMULATE_MUL_DIV) || defined(MONO_ARCH_SOFT_FLOAT_FALLBACK)
3950 register_opcode_emulation (OP_FDIV, "__emul_fdiv", "double double double", mono_fdiv, "mono_fdiv", FALSE);
3953 register_opcode_emulation (OP_FCONV_TO_U8, "__emul_fconv_to_u8", "ulong double", mono_fconv_u8, "mono_fconv_u8", FALSE);
3954 register_opcode_emulation (OP_RCONV_TO_U8, "__emul_rconv_to_u8", "ulong float", mono_rconv_u8, "mono_rconv_u8", FALSE);
3955 register_opcode_emulation (OP_FCONV_TO_U4, "__emul_fconv_to_u4", "uint32 double", mono_fconv_u4, "mono_fconv_u4", FALSE);
3956 register_opcode_emulation (OP_FCONV_TO_OVF_I8, "__emul_fconv_to_ovf_i8", "long double", mono_fconv_ovf_i8, "mono_fconv_ovf_i8", FALSE);
3957 register_opcode_emulation (OP_FCONV_TO_OVF_U8, "__emul_fconv_to_ovf_u8", "ulong double", mono_fconv_ovf_u8, "mono_fconv_ovf_u8", FALSE);
3958 register_opcode_emulation (OP_RCONV_TO_OVF_I8, "__emul_rconv_to_ovf_i8", "long float", mono_rconv_ovf_i8, "mono_rconv_ovf_i8", FALSE);
3959 register_opcode_emulation (OP_RCONV_TO_OVF_U8, "__emul_rconv_to_ovf_u8", "ulong float", mono_rconv_ovf_u8, "mono_rconv_ovf_u8", FALSE);
3962 #ifdef MONO_ARCH_EMULATE_FCONV_TO_I8
3963 register_opcode_emulation (OP_FCONV_TO_I8, "__emul_fconv_to_i8", "long double", mono_fconv_i8, "mono_fconv_i8", FALSE);
3964 register_opcode_emulation (OP_RCONV_TO_I8, "__emul_rconv_to_i8", "long float", mono_rconv_i8, "mono_rconv_i8", FALSE);
3967 #ifdef MONO_ARCH_EMULATE_CONV_R8_UN
3968 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);
3970 #ifdef MONO_ARCH_EMULATE_LCONV_TO_R8
3971 register_opcode_emulation (OP_LCONV_TO_R8, "__emul_lconv_to_r8", "double long", mono_lconv_to_r8, "mono_lconv_to_r8", FALSE);
3973 #ifdef MONO_ARCH_EMULATE_LCONV_TO_R4
3974 register_opcode_emulation (OP_LCONV_TO_R4, "__emul_lconv_to_r4", "float long", mono_lconv_to_r4, "mono_lconv_to_r4", FALSE);
3976 #ifdef MONO_ARCH_EMULATE_LCONV_TO_R8_UN
3977 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);
3979 #ifdef MONO_ARCH_EMULATE_FREM
3980 #if defined(__default_codegen__)
3981 register_opcode_emulation (OP_FREM, "__emul_frem", "double double double", fmod, "fmod", FALSE);
3982 register_opcode_emulation (OP_RREM, "__emul_rrem", "float float float", fmodf, "fmodf", FALSE);
3983 #elif defined(__native_client_codegen__)
3984 register_opcode_emulation (OP_FREM, "__emul_frem", "double double double", mono_fmod, "mono_fmod", FALSE);
3988 #ifdef MONO_ARCH_SOFT_FLOAT_FALLBACK
3989 if (mono_arch_is_soft_float ()) {
3990 register_opcode_emulation (OP_FSUB, "__emul_fsub", "double double double", mono_fsub, "mono_fsub", FALSE);
3991 register_opcode_emulation (OP_FADD, "__emul_fadd", "double double double", mono_fadd, "mono_fadd", FALSE);
3992 register_opcode_emulation (OP_FMUL, "__emul_fmul", "double double double", mono_fmul, "mono_fmul", FALSE);
3993 register_opcode_emulation (OP_FNEG, "__emul_fneg", "double double", mono_fneg, "mono_fneg", FALSE);
3994 register_opcode_emulation (OP_ICONV_TO_R8, "__emul_iconv_to_r8", "double int32", mono_conv_to_r8, "mono_conv_to_r8", FALSE);
3995 register_opcode_emulation (OP_ICONV_TO_R4, "__emul_iconv_to_r4", "double int32", mono_conv_to_r4, "mono_conv_to_r4", FALSE);
3996 register_opcode_emulation (OP_FCONV_TO_R4, "__emul_fconv_to_r4", "double double", mono_fconv_r4, "mono_fconv_r4", FALSE);
3997 register_opcode_emulation (OP_FCONV_TO_I1, "__emul_fconv_to_i1", "int8 double", mono_fconv_i1, "mono_fconv_i1", FALSE);
3998 register_opcode_emulation (OP_FCONV_TO_I2, "__emul_fconv_to_i2", "int16 double", mono_fconv_i2, "mono_fconv_i2", FALSE);
3999 register_opcode_emulation (OP_FCONV_TO_I4, "__emul_fconv_to_i4", "int32 double", mono_fconv_i4, "mono_fconv_i4", FALSE);
4000 register_opcode_emulation (OP_FCONV_TO_U1, "__emul_fconv_to_u1", "uint8 double", mono_fconv_u1, "mono_fconv_u1", FALSE);
4001 register_opcode_emulation (OP_FCONV_TO_U2, "__emul_fconv_to_u2", "uint16 double", mono_fconv_u2, "mono_fconv_u2", FALSE);
4003 #if SIZEOF_VOID_P == 4
4004 register_opcode_emulation (OP_FCONV_TO_I, "__emul_fconv_to_i", "int32 double", mono_fconv_i4, "mono_fconv_i4", FALSE);
4007 register_opcode_emulation (OP_FBEQ, "__emul_fcmp_eq", "uint32 double double", mono_fcmp_eq, "mono_fcmp_eq", FALSE);
4008 register_opcode_emulation (OP_FBLT, "__emul_fcmp_lt", "uint32 double double", mono_fcmp_lt, "mono_fcmp_lt", FALSE);
4009 register_opcode_emulation (OP_FBGT, "__emul_fcmp_gt", "uint32 double double", mono_fcmp_gt, "mono_fcmp_gt", FALSE);
4010 register_opcode_emulation (OP_FBLE, "__emul_fcmp_le", "uint32 double double", mono_fcmp_le, "mono_fcmp_le", FALSE);
4011 register_opcode_emulation (OP_FBGE, "__emul_fcmp_ge", "uint32 double double", mono_fcmp_ge, "mono_fcmp_ge", FALSE);
4012 register_opcode_emulation (OP_FBNE_UN, "__emul_fcmp_ne_un", "uint32 double double", mono_fcmp_ne_un, "mono_fcmp_ne_un", FALSE);
4013 register_opcode_emulation (OP_FBLT_UN, "__emul_fcmp_lt_un", "uint32 double double", mono_fcmp_lt_un, "mono_fcmp_lt_un", FALSE);
4014 register_opcode_emulation (OP_FBGT_UN, "__emul_fcmp_gt_un", "uint32 double double", mono_fcmp_gt_un, "mono_fcmp_gt_un", FALSE);
4015 register_opcode_emulation (OP_FBLE_UN, "__emul_fcmp_le_un", "uint32 double double", mono_fcmp_le_un, "mono_fcmp_le_un", FALSE);
4016 register_opcode_emulation (OP_FBGE_UN, "__emul_fcmp_ge_un", "uint32 double double", mono_fcmp_ge_un, "mono_fcmp_ge_un", FALSE);
4018 register_opcode_emulation (OP_FCEQ, "__emul_fcmp_ceq", "uint32 double double", mono_fceq, "mono_fceq", FALSE);
4019 register_opcode_emulation (OP_FCGT, "__emul_fcmp_cgt", "uint32 double double", mono_fcgt, "mono_fcgt", FALSE);
4020 register_opcode_emulation (OP_FCGT_UN, "__emul_fcmp_cgt_un", "uint32 double double", mono_fcgt_un, "mono_fcgt_un", FALSE);
4021 register_opcode_emulation (OP_FCLT, "__emul_fcmp_clt", "uint32 double double", mono_fclt, "mono_fclt", FALSE);
4022 register_opcode_emulation (OP_FCLT_UN, "__emul_fcmp_clt_un", "uint32 double double", mono_fclt_un, "mono_fclt_un", FALSE);
4024 register_icall (mono_fload_r4, "mono_fload_r4", "double ptr", FALSE);
4025 register_icall (mono_fstore_r4, "mono_fstore_r4", "void double ptr", FALSE);
4026 register_icall (mono_fload_r4_arg, "mono_fload_r4_arg", "uint32 double", FALSE);
4027 register_icall (mono_isfinite, "mono_isfinite", "uint32 double", FALSE);
4030 register_icall (mono_ckfinite, "mono_ckfinite", "double double", FALSE);
4032 #ifdef COMPRESSED_INTERFACE_BITMAP
4033 register_icall (mono_class_interface_match, "mono_class_interface_match", "uint32 ptr int32", TRUE);
4036 #if SIZEOF_REGISTER == 4
4037 register_opcode_emulation (OP_FCONV_TO_U, "__emul_fconv_to_u", "uint32 double", mono_fconv_u4, "mono_fconv_u4", TRUE);
4039 register_opcode_emulation (OP_FCONV_TO_U, "__emul_fconv_to_u", "ulong double", mono_fconv_u8, "mono_fconv_u8", TRUE);
4042 /* other jit icalls */
4043 register_icall (mono_delegate_ctor, "mono_delegate_ctor", "void object object ptr", FALSE);
4044 register_icall (mono_class_static_field_address , "mono_class_static_field_address",
4045 "ptr ptr ptr", FALSE);
4046 register_icall (mono_ldtoken_wrapper, "mono_ldtoken_wrapper", "ptr ptr ptr ptr", FALSE);
4047 register_icall (mono_ldtoken_wrapper_generic_shared, "mono_ldtoken_wrapper_generic_shared",
4048 "ptr ptr ptr ptr", FALSE);
4049 register_icall (mono_get_special_static_data, "mono_get_special_static_data", "ptr int", FALSE);
4050 register_icall (mono_ldstr, "mono_ldstr", "object ptr ptr int32", FALSE);
4051 register_icall (mono_helper_stelem_ref_check, "mono_helper_stelem_ref_check", "void object object", FALSE);
4052 register_icall (ves_icall_object_new, "ves_icall_object_new", "object ptr ptr", FALSE);
4053 register_icall (ves_icall_object_new_specific, "ves_icall_object_new_specific", "object ptr", FALSE);
4054 register_icall (ves_icall_array_new, "ves_icall_array_new", "object ptr ptr int32", FALSE);
4055 register_icall (ves_icall_array_new_specific, "ves_icall_array_new_specific", "object ptr int32", FALSE);
4056 register_icall (ves_icall_runtime_class_init, "ves_icall_runtime_class_init", "void ptr", FALSE);
4057 register_icall (mono_ldftn, "mono_ldftn", "ptr ptr", FALSE);
4058 register_icall (mono_ldvirtfn, "mono_ldvirtfn", "ptr object ptr", FALSE);
4059 register_icall (mono_ldvirtfn_gshared, "mono_ldvirtfn_gshared", "ptr object ptr", FALSE);
4060 register_icall (mono_helper_compile_generic_method, "mono_helper_compile_generic_method", "ptr object ptr ptr", FALSE);
4061 register_icall (mono_helper_ldstr, "mono_helper_ldstr", "object ptr int", FALSE);
4062 register_icall (mono_helper_ldstr_mscorlib, "mono_helper_ldstr_mscorlib", "object int", FALSE);
4063 register_icall (mono_helper_newobj_mscorlib, "mono_helper_newobj_mscorlib", "object int", FALSE);
4064 register_icall (mono_value_copy, "mono_value_copy", "void ptr ptr ptr", FALSE);
4065 register_icall (mono_object_castclass_unbox, "mono_object_castclass_unbox", "object object ptr", FALSE);
4066 register_icall (mono_break, "mono_break", NULL, TRUE);
4067 register_icall (mono_create_corlib_exception_0, "mono_create_corlib_exception_0", "object int", TRUE);
4068 register_icall (mono_create_corlib_exception_1, "mono_create_corlib_exception_1", "object int object", TRUE);
4069 register_icall (mono_create_corlib_exception_2, "mono_create_corlib_exception_2", "object int object object", TRUE);
4070 register_icall (mono_array_new_1, "mono_array_new_1", "object ptr int", FALSE);
4071 register_icall (mono_array_new_2, "mono_array_new_2", "object ptr int int", FALSE);
4072 register_icall (mono_array_new_3, "mono_array_new_3", "object ptr int int int", FALSE);
4073 register_icall (mono_array_new_4, "mono_array_new_4", "object ptr int int int int", FALSE);
4074 register_icall (mono_get_native_calli_wrapper, "mono_get_native_calli_wrapper", "ptr ptr ptr ptr", FALSE);
4075 register_icall (mono_resume_unwind, "mono_resume_unwind", "void", TRUE);
4076 register_icall (mono_gsharedvt_constrained_call, "mono_gsharedvt_constrained_call", "object ptr ptr ptr ptr ptr", FALSE);
4077 register_icall (mono_gsharedvt_value_copy, "mono_gsharedvt_value_copy", "void ptr ptr ptr", TRUE);
4079 register_icall (mono_gc_wbarrier_value_copy_bitmap, "mono_gc_wbarrier_value_copy_bitmap", "void ptr ptr int int", FALSE);
4081 register_icall (mono_object_castclass_with_cache, "mono_object_castclass_with_cache", "object object ptr ptr", FALSE);
4082 register_icall (mono_object_isinst_with_cache, "mono_object_isinst_with_cache", "object object ptr ptr", FALSE);
4083 register_icall (mono_generic_class_init, "mono_generic_class_init", "void ptr", FALSE);
4084 register_icall (mono_fill_class_rgctx, "mono_class_fill_rgctx", "ptr ptr int", FALSE);
4085 register_icall (mono_fill_method_rgctx, "mono_method_fill_rgctx", "ptr ptr int", FALSE);
4087 register_icall (mono_debugger_agent_user_break, "mono_debugger_agent_user_break", "void", FALSE);
4089 register_icall (mono_aot_init_llvm_method, "mono_aot_init_llvm_method", "void ptr int", TRUE);
4090 register_icall (mono_aot_init_gshared_method_this, "mono_aot_init_gshared_method_this", "void ptr int object", TRUE);
4091 register_icall (mono_aot_init_gshared_method_mrgctx, "mono_aot_init_gshared_method_mrgctx", "void ptr int ptr", TRUE);
4092 register_icall (mono_aot_init_gshared_method_vtable, "mono_aot_init_gshared_method_vtable", "void ptr int ptr", TRUE);
4094 register_icall_no_wrapper (mono_resolve_iface_call_gsharedvt, "mono_resolve_iface_call_gsharedvt", "ptr object int ptr ptr");
4095 register_icall_no_wrapper (mono_resolve_vcall_gsharedvt, "mono_resolve_vcall_gsharedvt", "ptr object int ptr ptr");
4096 register_icall_no_wrapper (mono_resolve_generic_virtual_call, "mono_resolve_generic_virtual_call", "ptr ptr int ptr");
4097 register_icall_no_wrapper (mono_resolve_generic_virtual_iface_call, "mono_resolve_generic_virtual_iface_call", "ptr ptr int ptr");
4098 /* This needs a wrapper so it can have a preserveall cconv */
4099 register_icall (mono_init_vtable_slot, "mono_init_vtable_slot", "ptr ptr int", FALSE);
4100 register_icall (mono_llvmonly_init_delegate, "mono_llvmonly_init_delegate", "void object", TRUE);
4101 register_icall (mono_llvmonly_init_delegate_virtual, "mono_llvmonly_init_delegate_virtual", "void object object ptr", TRUE);
4102 register_icall (mono_get_assembly_object, "mono_get_assembly_object", "object ptr", TRUE);
4103 register_icall (mono_get_method_object, "mono_get_method_object", "object ptr", TRUE);
4105 register_icall_with_wrapper (mono_monitor_enter, "mono_monitor_enter", "void obj");
4106 register_icall_with_wrapper (mono_monitor_enter_v4, "mono_monitor_enter_v4", "void obj ptr");
4107 register_icall_no_wrapper (mono_monitor_enter_fast, "mono_monitor_enter_fast", "int obj");
4108 register_icall_no_wrapper (mono_monitor_enter_v4_fast, "mono_monitor_enter_v4_fast", "int obj ptr");
4111 register_icall (pthread_getspecific, "pthread_getspecific", "ptr ptr", TRUE);
4115 MonoJitStats mono_jit_stats = {0};
4118 print_jit_stats (void)
4120 if (mono_jit_stats.enabled) {
4121 g_print ("Mono Jit statistics\n");
4122 g_print ("Max code size ratio: %.2f (%s)\n", mono_jit_stats.max_code_size_ratio/100.0,
4123 mono_jit_stats.max_ratio_method);
4124 g_print ("Biggest method: %ld (%s)\n", mono_jit_stats.biggest_method_size,
4125 mono_jit_stats.biggest_method);
4127 g_print ("Delegates created: %ld\n", mono_stats.delegate_creations);
4128 g_print ("Initialized classes: %ld\n", mono_stats.initialized_class_count);
4129 g_print ("Used classes: %ld\n", mono_stats.used_class_count);
4130 g_print ("Generic vtables: %ld\n", mono_stats.generic_vtable_count);
4131 g_print ("Methods: %ld\n", mono_stats.method_count);
4132 g_print ("Static data size: %ld\n", mono_stats.class_static_data_size);
4133 g_print ("VTable data size: %ld\n", mono_stats.class_vtable_size);
4134 g_print ("Mscorlib mempool size: %d\n", mono_mempool_get_allocated (mono_defaults.corlib->mempool));
4136 g_print ("\nInitialized classes: %ld\n", mono_stats.generic_class_count);
4137 g_print ("Inflated types: %ld\n", mono_stats.inflated_type_count);
4138 g_print ("Generics virtual invokes: %ld\n", mono_jit_stats.generic_virtual_invocations);
4140 g_print ("Sharable generic methods: %ld\n", mono_stats.generics_sharable_methods);
4141 g_print ("Unsharable generic methods: %ld\n", mono_stats.generics_unsharable_methods);
4142 g_print ("Shared generic methods: %ld\n", mono_stats.generics_shared_methods);
4143 g_print ("Shared vtype generic methods: %ld\n", mono_stats.gsharedvt_methods);
4145 g_print ("IMT tables size: %ld\n", mono_stats.imt_tables_size);
4146 g_print ("IMT number of tables: %ld\n", mono_stats.imt_number_of_tables);
4147 g_print ("IMT number of methods: %ld\n", mono_stats.imt_number_of_methods);
4148 g_print ("IMT used slots: %ld\n", mono_stats.imt_used_slots);
4149 g_print ("IMT colliding slots: %ld\n", mono_stats.imt_slots_with_collisions);
4150 g_print ("IMT max collisions: %ld\n", mono_stats.imt_max_collisions_in_slot);
4151 g_print ("IMT methods at max col: %ld\n", mono_stats.imt_method_count_when_max_collisions);
4152 g_print ("IMT thunks size: %ld\n", mono_stats.imt_thunks_size);
4154 g_print ("JIT info table inserts: %ld\n", mono_stats.jit_info_table_insert_count);
4155 g_print ("JIT info table removes: %ld\n", mono_stats.jit_info_table_remove_count);
4156 g_print ("JIT info table lookups: %ld\n", mono_stats.jit_info_table_lookup_count);
4158 g_free (mono_jit_stats.max_ratio_method);
4159 mono_jit_stats.max_ratio_method = NULL;
4160 g_free (mono_jit_stats.biggest_method);
4161 mono_jit_stats.biggest_method = NULL;
4166 mini_cleanup (MonoDomain *domain)
4168 if (mono_profiler_get_events () & MONO_PROFILE_STATISTICAL)
4169 mono_runtime_shutdown_stat_profiler ();
4172 cominterop_release_all_rcws ();
4175 #ifndef MONO_CROSS_COMPILE
4177 * mono_domain_finalize () needs to be called early since it needs the
4178 * execution engine still fully working (it may invoke managed finalizers).
4180 mono_domain_finalize (domain, 2000);
4183 /* This accesses metadata so needs to be called before runtime shutdown */
4186 #ifndef MONO_CROSS_COMPILE
4187 mono_runtime_cleanup (domain);
4190 mono_profiler_shutdown ();
4192 free_jit_tls_data ((MonoJitTlsData *)mono_native_tls_get_value (mono_jit_tls_id));
4194 mono_icall_cleanup ();
4196 mono_runtime_cleanup_handlers ();
4198 #ifndef MONO_CROSS_COMPILE
4199 mono_domain_free (domain, TRUE);
4204 mono_llvm_cleanup ();
4207 mono_aot_cleanup ();
4209 mono_trampolines_cleanup ();
4211 mono_unwind_cleanup ();
4213 mono_code_manager_destroy (global_codeman);
4214 g_free (vtable_trampolines);
4216 mini_jit_cleanup ();
4218 mono_tramp_info_cleanup ();
4220 mono_arch_cleanup ();
4222 mono_generic_sharing_cleanup ();
4226 mono_trace_cleanup ();
4228 mono_counters_dump (MONO_COUNTER_SECTION_MASK | MONO_COUNTER_MONOTONIC, stdout);
4230 if (mono_inject_async_exc_method)
4231 mono_method_desc_free (mono_inject_async_exc_method);
4233 mono_native_tls_free (mono_jit_tls_id);
4235 mono_os_mutex_destroy (&jit_mutex);
4237 mono_code_manager_cleanup ();
4239 #ifdef USE_JUMP_TABLES
4240 mono_jumptable_cleanup ();
4245 mono_set_defaults (int verbose_level, guint32 opts)
4247 mini_verbose = verbose_level;
4248 mono_set_optimizations (opts);
4252 mono_disable_optimizations (guint32 opts)
4254 default_opt &= ~opts;
4258 mono_set_optimizations (guint32 opts)
4261 default_opt_set = TRUE;
4262 #ifdef MONO_ARCH_GSHAREDVT_SUPPORTED
4263 mono_set_generic_sharing_vt_supported (mono_aot_only || ((default_opt & MONO_OPT_GSHAREDVT) != 0));
4266 mono_set_generic_sharing_vt_supported (TRUE);
4271 mono_set_verbose_level (guint32 level)
4273 mini_verbose = level;
4277 * mono_get_runtime_build_info:
4279 * Return the runtime version + build date in string format.
4280 * The returned string is owned by the caller. The returned string
4281 * format is "VERSION (FULL_VERSION BUILD_DATE)" and build date is optional.
4284 mono_get_runtime_build_info (void)
4286 if (mono_build_date)
4287 return g_strdup_printf ("%s (%s %s)", VERSION, FULL_VERSION, mono_build_date);
4289 return g_strdup_printf ("%s (%s)", VERSION, FULL_VERSION);
4293 mono_precompile_assembly (MonoAssembly *ass, void *user_data)
4295 GHashTable *assemblies = (GHashTable*)user_data;
4296 MonoImage *image = mono_assembly_get_image (ass);
4297 MonoMethod *method, *invoke;
4300 if (g_hash_table_lookup (assemblies, ass))
4303 g_hash_table_insert (assemblies, ass, ass);
4305 if (mini_verbose > 0)
4306 printf ("PRECOMPILE: %s.\n", mono_image_get_filename (image));
4308 for (i = 0; i < mono_image_get_table_rows (image, MONO_TABLE_METHOD); ++i) {
4311 method = mono_get_method_checked (image, MONO_TOKEN_METHOD_DEF | (i + 1), NULL, NULL, &error);
4313 mono_error_cleanup (&error); /* FIXME don't swallow the error */
4316 if (method->flags & METHOD_ATTRIBUTE_ABSTRACT)
4318 if (method->is_generic || method->klass->generic_container)
4322 if (mini_verbose > 1) {
4323 char * desc = mono_method_full_name (method, TRUE);
4324 g_print ("Compiling %d %s\n", count, desc);
4327 mono_compile_method (method);
4328 if (strcmp (method->name, "Finalize") == 0) {
4329 invoke = mono_marshal_get_runtime_invoke (method, FALSE);
4330 mono_compile_method (invoke);
4332 #ifndef DISABLE_REMOTING
4333 if (mono_class_is_marshalbyref (method->klass) && mono_method_signature (method)->hasthis) {
4334 invoke = mono_marshal_get_remoting_invoke_with_check (method);
4335 mono_compile_method (invoke);
4340 /* Load and precompile referenced assemblies as well */
4341 for (i = 0; i < mono_image_get_table_rows (image, MONO_TABLE_ASSEMBLYREF); ++i) {
4342 mono_assembly_load_reference (image, i);
4343 if (image->references [i])
4344 mono_precompile_assembly (image->references [i], assemblies);
4348 void mono_precompile_assemblies ()
4350 GHashTable *assemblies = g_hash_table_new (NULL, NULL);
4352 mono_assembly_foreach ((GFunc)mono_precompile_assembly, assemblies);
4354 g_hash_table_destroy (assemblies);
4359 * Have to export this for AOT.
4362 mono_personality (void)
4365 g_assert_not_reached ();
4368 #ifdef USE_JUMP_TABLES
4369 #define DEFAULT_JUMPTABLE_CHUNK_ELEMENTS 128
4371 typedef struct MonoJumpTableChunk {
4374 struct MonoJumpTableChunk *previous;
4375 /* gpointer entries[total]; */
4376 } MonoJumpTableChunk;
4378 static MonoJumpTableChunk* g_jumptable;
4379 #define mono_jumptable_lock() mono_os_mutex_lock (&jumptable_mutex)
4380 #define mono_jumptable_unlock() mono_os_mutex_unlock (&jumptable_mutex)
4381 static mono_mutex_t jumptable_mutex;
4383 static MonoJumpTableChunk*
4384 mono_create_jumptable_chunk (guint32 max_entries)
4386 guint32 size = sizeof (MonoJumpTableChunk) + max_entries * sizeof(gpointer);
4387 MonoJumpTableChunk *chunk = (MonoJumpTableChunk*) g_new0 (guchar, size);
4388 chunk->total = max_entries;
4393 mono_jumptable_init (void)
4395 if (g_jumptable == NULL) {
4396 mono_os_mutex_init_recursive (&jumptable_mutex);
4397 g_jumptable = mono_create_jumptable_chunk (DEFAULT_JUMPTABLE_CHUNK_ELEMENTS);
4402 mono_jumptable_add_entry (void)
4404 return mono_jumptable_add_entries (1);
4408 mono_jumptable_add_entries (guint32 entries)
4413 mono_jumptable_init ();
4414 mono_jumptable_lock ();
4415 index = g_jumptable->active;
4416 if (index + entries >= g_jumptable->total) {
4418 * Grow jumptable, by adding one more chunk.
4419 * We cannot realloc jumptable, as there could be pointers
4420 * to existing jump table entries in the code, so instead
4421 * we just add one more chunk.
4423 guint32 max_entries = entries;
4424 MonoJumpTableChunk *new_chunk;
4426 if (max_entries < DEFAULT_JUMPTABLE_CHUNK_ELEMENTS)
4427 max_entries = DEFAULT_JUMPTABLE_CHUNK_ELEMENTS;
4428 new_chunk = mono_create_jumptable_chunk (max_entries);
4429 /* Link old jumptable, so that we could free it up later. */
4430 new_chunk->previous = g_jumptable;
4431 g_jumptable = new_chunk;
4434 g_jumptable->active = index + entries;
4435 result = (gpointer*)((guchar*)g_jumptable + sizeof(MonoJumpTableChunk)) + index;
4436 mono_jumptable_unlock();
4442 mono_jumptable_cleanup (void)
4445 MonoJumpTableChunk *current = g_jumptable, *prev;
4446 while (current != NULL) {
4447 prev = current->previous;
4452 mono_os_mutex_destroy (&jumptable_mutex);
4457 mono_jumptable_get_entry (guint8 *code_ptr)
4459 return mono_arch_jumptable_entry_from_code (code_ptr);