/* * mini-runtime.c: Runtime code for the JIT * * Authors: * Paolo Molaro (lupus@ximian.com) * Dietmar Maurer (dietmar@ximian.com) * * Copyright 2002-2003 Ximian, Inc. * Copyright 2003-2010 Novell, Inc. * Copyright 2011-2015 Xamarin, Inc (http://www.xamarin.com) */ #include #ifdef HAVE_ALLOCA_H #include #endif #ifdef HAVE_UNISTD_H #include #endif #include #ifdef HAVE_SYS_TIME_H #include #endif #ifdef HAVE_SIGNAL_H #include #endif #include #include #include #include #include #include #include #include #include #include #include #include "mono/metadata/profiler.h" #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include "mini.h" #include "seq-points.h" #include "tasklets.h" #include #include #include "trace.h" #include "version.h" #include "jit-icalls.h" #include "mini-gc.h" #include "debugger-agent.h" static guint32 default_opt = 0; static gboolean default_opt_set = FALSE; MonoNativeTlsKey mono_jit_tls_id; #ifdef MONO_HAVE_FAST_TLS MONO_FAST_TLS_DECLARE(mono_jit_tls); #endif gboolean mono_compile_aot = FALSE; /* If this is set, no code is generated dynamically, everything is taken from AOT files */ gboolean mono_aot_only = FALSE; /* Whenever to use IMT */ gboolean mono_use_imt = TRUE; const char *mono_build_date; gboolean mono_do_signal_chaining; gboolean mono_do_crash_chaining; int mini_verbose = 0; /* * This flag controls whenever the runtime uses LLVM for JIT compilation, and whenever * it can load AOT code compiled by LLVM. */ gboolean mono_use_llvm = FALSE; #define mono_jit_lock() mono_mutex_lock (&jit_mutex) #define mono_jit_unlock() mono_mutex_unlock (&jit_mutex) static mono_mutex_t jit_mutex; static MonoCodeManager *global_codeman; MonoDebugOptions debug_options; #ifdef VALGRIND_JIT_REGISTER_MAP int valgrind_register; #endif static GSList *tramp_infos; static void register_icalls (void); gboolean mono_running_on_valgrind (void) { if (RUNNING_ON_VALGRIND){ #ifdef VALGRIND_JIT_REGISTER_MAP valgrind_register = TRUE; #endif return TRUE; } else return FALSE; } typedef struct { void *ip; MonoMethod *method; } FindTrampUserData; static void find_tramp (gpointer key, gpointer value, gpointer user_data) { FindTrampUserData *ud = (FindTrampUserData*)user_data; if (value == ud->ip) ud->method = (MonoMethod*)key; } /* debug function */ G_GNUC_UNUSED static char* get_method_from_ip (void *ip) { MonoJitInfo *ji; char *method; char *res; MonoDomain *domain = mono_domain_get (); MonoDebugSourceLocation *location; FindTrampUserData user_data; if (!domain) domain = mono_get_root_domain (); ji = mono_jit_info_table_find (domain, ip); if (!ji) { user_data.ip = ip; user_data.method = NULL; mono_domain_lock (domain); g_hash_table_foreach (domain_jit_info (domain)->jit_trampoline_hash, find_tramp, &user_data); mono_domain_unlock (domain); if (user_data.method) { char *mname = mono_method_full_name (user_data.method, TRUE); res = g_strdup_printf ("<%p - JIT trampoline for %s>", ip, mname); g_free (mname); return res; } else return NULL; } method = mono_method_full_name (jinfo_get_method (ji), TRUE); /* FIXME: unused ? */ location = mono_debug_lookup_source_location (jinfo_get_method (ji), (guint32)((guint8*)ip - (guint8*)ji->code_start), domain); 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); mono_debug_free_source_location (location); g_free (method); return res; } /** * mono_pmip: * @ip: an instruction pointer address * * This method is used from a debugger to get the name of the * method at address @ip. This routine is typically invoked from * a debugger like this: * * (gdb) print mono_pmip ($pc) * * Returns: the name of the method at address @ip. */ G_GNUC_UNUSED char * mono_pmip (void *ip) { return get_method_from_ip (ip); } /** * mono_print_method_from_ip * @ip: an instruction pointer address * * This method is used from a debugger to get the name of the * method at address @ip. * * This prints the name of the method at address @ip in the standard * output. Unlike mono_pmip which returns a string, this routine * prints the value on the standard output. */ #ifdef __GNUC__ /* Prevent the linker from optimizing this away in embedding setups to help debugging */ __attribute__((used)) #endif void mono_print_method_from_ip (void *ip) { MonoJitInfo *ji; char *method; MonoDebugSourceLocation *source; MonoDomain *domain = mono_domain_get (); MonoDomain *target_domain = mono_domain_get (); FindTrampUserData user_data; MonoGenericSharingContext*gsctx; const char *shared_type; GSList *l; ji = mini_jit_info_table_find (domain, ip, &target_domain); if (!ji) { user_data.ip = ip; user_data.method = NULL; mono_domain_lock (domain); g_hash_table_foreach (domain_jit_info (domain)->jit_trampoline_hash, find_tramp, &user_data); mono_domain_unlock (domain); if (user_data.method) { char *mname = mono_method_full_name (user_data.method, TRUE); printf ("IP %p is a JIT trampoline for %s\n", ip, mname); g_free (mname); return; } for (l = tramp_infos; l; l = l->next) { MonoTrampInfo *tinfo = l->data; if ((guint8*)ip >= tinfo->code && (guint8*)ip <= tinfo->code + tinfo->code_size) { printf ("IP %p is at offset 0x%x of trampoline '%s'.\n", ip, (int)((guint8*)ip - tinfo->code), tinfo->name); return; } } g_print ("No method at %p\n", ip); fflush (stdout); return; } method = mono_method_full_name (jinfo_get_method (ji), TRUE); source = mono_debug_lookup_source_location (jinfo_get_method (ji), (guint32)((guint8*)ip - (guint8*)ji->code_start), target_domain); gsctx = mono_jit_info_get_generic_sharing_context (ji); shared_type = ""; if (gsctx) { if (gsctx->var_is_vt || gsctx->mvar_is_vt) shared_type = "gsharedvt "; else shared_type = "gshared "; } 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); if (source) g_print ("%s:%d\n", source->source_file, source->row); fflush (stdout); mono_debug_free_source_location (source); g_free (method); } /* * mono_method_same_domain: * * Determine whenever two compiled methods are in the same domain, thus * the address of the callee can be embedded in the caller. */ gboolean mono_method_same_domain (MonoJitInfo *caller, MonoJitInfo *callee) { MonoMethod *cmethod; if (!caller || !callee) return FALSE; /* * If the call was made from domain-neutral to domain-specific * code, we can't patch the call site. */ if (caller->domain_neutral && !callee->domain_neutral) return FALSE; cmethod = jinfo_get_method (caller); if ((cmethod->klass == mono_defaults.appdomain_class) && (strstr (cmethod->name, "InvokeInDomain"))) { /* The InvokeInDomain methods change the current appdomain */ return FALSE; } return TRUE; } /* * mono_global_codeman_reserve: * * Allocate code memory from the global code manager. */ void *mono_global_codeman_reserve (int size) { void *ptr; if (mono_aot_only) g_error ("Attempting to allocate from the global code manager while running with --aot-only.\n"); if (!global_codeman) { /* This can happen during startup */ global_codeman = mono_code_manager_new (); return mono_code_manager_reserve (global_codeman, size); } else { mono_jit_lock (); ptr = mono_code_manager_reserve (global_codeman, size); mono_jit_unlock (); return ptr; } } #if defined(__native_client_codegen__) && defined(__native_client__) void mono_nacl_gc() { #ifdef __native_client_gc__ __nacl_suspend_thread_if_needed(); #endif } /* Given the temporary buffer (allocated by mono_global_codeman_reserve) into * which we are generating code, return a pointer to the destination in the * dynamic code segment into which the code will be copied when * mono_global_codeman_commit is called. * LOCKING: Acquires the jit lock. */ void* nacl_global_codeman_get_dest (void *data) { void *dest; mono_jit_lock (); dest = nacl_code_manager_get_code_dest (global_codeman, data); mono_jit_unlock (); return dest; } void mono_global_codeman_commit (void *data, int size, int newsize) { mono_jit_lock (); mono_code_manager_commit (global_codeman, data, size, newsize); mono_jit_unlock (); } /* * Convenience function which calls mono_global_codeman_commit to validate and * copy the code. The caller sets *buf_base and *buf_size to the start and size * of the buffer (allocated by mono_global_codeman_reserve), and *code_end to * the byte after the last instruction byte. On return, *buf_base will point to * the start of the copied in the code segment, and *code_end will point after * the end of the copied code. */ void nacl_global_codeman_validate (guint8 **buf_base, int buf_size, guint8 **code_end) { guint8 *tmp = nacl_global_codeman_get_dest (*buf_base); mono_global_codeman_commit (*buf_base, buf_size, *code_end - *buf_base); *code_end = tmp + (*code_end - *buf_base); *buf_base = tmp; } #else /* no-op versions of Native Client functions */ void* nacl_global_codeman_get_dest (void *data) { return data; } void mono_global_codeman_commit (void *data, int size, int newsize) { } void nacl_global_codeman_validate (guint8 **buf_base, int buf_size, guint8 **code_end) { } #endif /* __native_client__ */ /** * mono_create_unwind_op: * * Create an unwind op with the given parameters. */ MonoUnwindOp* mono_create_unwind_op (int when, int tag, int reg, int val) { MonoUnwindOp *op = g_new0 (MonoUnwindOp, 1); op->op = tag; op->reg = reg; op->val = val; op->when = when; return op; } MonoJumpInfoToken * mono_jump_info_token_new2 (MonoMemPool *mp, MonoImage *image, guint32 token, MonoGenericContext *context) { MonoJumpInfoToken *res = mono_mempool_alloc0 (mp, sizeof (MonoJumpInfoToken)); res->image = image; res->token = token; res->has_context = context != NULL; if (context) memcpy (&res->context, context, sizeof (MonoGenericContext)); return res; } MonoJumpInfoToken * mono_jump_info_token_new (MonoMemPool *mp, MonoImage *image, guint32 token) { return mono_jump_info_token_new2 (mp, image, token, NULL); } /* * mono_tramp_info_create: * * Create a MonoTrampInfo structure from the arguments. This function assumes ownership * of JI, and UNWIND_OPS. */ MonoTrampInfo* mono_tramp_info_create (const char *name, guint8 *code, guint32 code_size, MonoJumpInfo *ji, GSList *unwind_ops) { MonoTrampInfo *info = g_new0 (MonoTrampInfo, 1); info->name = g_strdup ((char*)name); info->code = code; info->code_size = code_size; info->ji = ji; info->unwind_ops = unwind_ops; return info; } void mono_tramp_info_free (MonoTrampInfo *info) { GSList *l; g_free (info->name); // FIXME: ji for (l = info->unwind_ops; l; l = l->next) g_free (l->data); g_slist_free (info->unwind_ops); g_free (info); } /* * mono_tramp_info_register: * * Remember INFO for use by xdebug, mono_print_method_from_ip (), jit maps, etc. * INFO can be NULL. * Frees INFO. */ void mono_tramp_info_register (MonoTrampInfo *info) { MonoTrampInfo *copy; if (!info) return; copy = g_new0 (MonoTrampInfo, 1); copy->code = info->code; copy->code_size = info->code_size; copy->name = g_strdup (info->name); mono_jit_lock (); tramp_infos = g_slist_prepend (tramp_infos, copy); mono_jit_unlock (); mono_save_trampoline_xdebug_info (info); if (mono_jit_map_is_enabled ()) mono_emit_jit_tramp (info->code, info->code_size, info->name); mono_tramp_info_free (info); } static void mono_tramp_info_cleanup (void) { GSList *l; for (l = tramp_infos; l; l = l->next) { MonoTrampInfo *info = l->data; mono_tramp_info_free (info); } g_slist_free (tramp_infos); } G_GNUC_UNUSED static void break_count (void) { } /* * Runtime debugging tool, use if (debug_count ()) else to do the first COUNT times, then do afterwards. * Set a breakpoint in break_count () to break the last time is done. */ G_GNUC_UNUSED gboolean mono_debug_count (void) { static int count = 0; static gboolean inited; static const char *value; count ++; if (!inited) { value = g_getenv ("COUNT"); inited = TRUE; } if (!value) return TRUE; if (count == atoi (value)) break_count (); if (count > atoi (value)) return FALSE; return TRUE; } gconstpointer mono_icall_get_wrapper_full (MonoJitICallInfo* callinfo, gboolean do_compile) { char *name; MonoMethod *wrapper; gconstpointer trampoline; MonoDomain *domain = mono_get_root_domain (); gboolean check_exc = check_for_pending_exc; if (callinfo->wrapper) { return callinfo->wrapper; } if (callinfo->trampoline) return callinfo->trampoline; /* * We use the lock on the root domain instead of the JIT lock to protect * callinfo->trampoline, since we do a lot of stuff inside the critical section. */ mono_loader_lock (); /*FIXME mono_compile_method requires the loader lock, by large.*/ mono_domain_lock (domain); if (callinfo->trampoline) { mono_domain_unlock (domain); mono_loader_unlock (); return callinfo->trampoline; } if (!strcmp (callinfo->name, "mono_thread_interruption_checkpoint")) /* This icall is used to check for exceptions, so don't check in the wrapper */ check_exc = FALSE; name = g_strdup_printf ("__icall_wrapper_%s", callinfo->name); wrapper = mono_marshal_get_icall_wrapper (callinfo->sig, name, callinfo->func, check_exc); g_free (name); if (do_compile) trampoline = mono_compile_method (wrapper); else trampoline = mono_create_ftnptr (domain, mono_create_jit_trampoline_in_domain (domain, wrapper)); mono_register_jit_icall_wrapper (callinfo, trampoline); callinfo->trampoline = trampoline; mono_domain_unlock (domain); mono_loader_unlock (); return callinfo->trampoline; } gconstpointer mono_icall_get_wrapper (MonoJitICallInfo* callinfo) { return mono_icall_get_wrapper_full (callinfo, FALSE); } static MonoJitDynamicMethodInfo* mono_dynamic_code_hash_lookup (MonoDomain *domain, MonoMethod *method) { MonoJitDynamicMethodInfo *res; if (domain_jit_info (domain)->dynamic_code_hash) res = g_hash_table_lookup (domain_jit_info (domain)->dynamic_code_hash, method); else res = NULL; return res; } static void register_opcode_emulation (int opcode, const char *name, const char *sigstr, gpointer func, const char *symbol, gboolean no_throw) { return mini_register_opcode_emulation (opcode, name, sigstr, func, symbol, no_throw); } /* * For JIT icalls implemented in C. * NAME should be the same as the name of the C function whose address is FUNC. * If SAVE is TRUE, no wrapper is generated. This is for perf critical icalls which * can't throw exceptions. */ static void register_icall (gpointer func, const char *name, const char *sigstr, gboolean save) { MonoMethodSignature *sig; if (sigstr) sig = mono_create_icall_signature (sigstr); else sig = NULL; mono_register_jit_icall_full (func, name, sig, save, FALSE, save ? name : NULL); } static void register_dyn_icall (gpointer func, const char *name, const char *sigstr, gboolean save) { MonoMethodSignature *sig; if (sigstr) sig = mono_create_icall_signature (sigstr); else sig = NULL; mono_register_jit_icall (func, name, sig, save); } #ifdef MONO_HAVE_FAST_TLS MONO_FAST_TLS_DECLARE(mono_lmf_addr); #ifdef MONO_ARCH_ENABLE_MONO_LMF_VAR /* * When this is defined, the current lmf is stored in this tls variable instead of in * jit_tls->lmf. */ MONO_FAST_TLS_DECLARE(mono_lmf); #endif #endif gint32 mono_get_jit_tls_offset (void) { int offset; #ifdef HOST_WIN32 if (mono_jit_tls_id) offset = mono_jit_tls_id; else /* FIXME: Happens during startup */ offset = -1; #else MONO_THREAD_VAR_OFFSET (mono_jit_tls, offset); #endif return offset; } gint32 mono_get_lmf_tls_offset (void) { #if defined(MONO_ARCH_ENABLE_MONO_LMF_VAR) int offset; MONO_THREAD_VAR_OFFSET(mono_lmf,offset); return offset; #else return -1; #endif } gint32 mono_get_lmf_addr_tls_offset (void) { int offset; MONO_THREAD_VAR_OFFSET(mono_lmf_addr,offset); return offset; } MonoLMF * mono_get_lmf (void) { #if defined(MONO_HAVE_FAST_TLS) && defined(MONO_ARCH_ENABLE_MONO_LMF_VAR) return MONO_FAST_TLS_GET (mono_lmf); #else MonoJitTlsData *jit_tls; if ((jit_tls = mono_native_tls_get_value (mono_jit_tls_id))) return jit_tls->lmf; /* * We do not assert here because this function can be called from * mini-gc.c on a thread that has not executed any managed code, yet * (the thread object allocation can trigger a collection). */ return NULL; #endif } MonoLMF ** mono_get_lmf_addr (void) { #ifdef MONO_HAVE_FAST_TLS return MONO_FAST_TLS_GET (mono_lmf_addr); #else MonoJitTlsData *jit_tls; jit_tls = mono_native_tls_get_value (mono_jit_tls_id); if (G_LIKELY (jit_tls)) return &jit_tls->lmf; /* * When resolving the call to mono_jit_thread_attach full-aot will look * in the plt, which causes a call into the generic trampoline, which in turn * tries to resolve the lmf_addr creating a cyclic dependency. We cannot * call mono_jit_thread_attach from the native-to-managed wrapper, without * mono_get_lmf_addr, and mono_get_lmf_addr requires the thread to be attached. */ mono_jit_thread_attach (NULL); if ((jit_tls = mono_native_tls_get_value (mono_jit_tls_id))) return &jit_tls->lmf; g_assert_not_reached (); return NULL; #endif } void mono_set_lmf (MonoLMF *lmf) { #if defined(MONO_HAVE_FAST_TLS) && defined(MONO_ARCH_ENABLE_MONO_LMF_VAR) MONO_FAST_TLS_SET (mono_lmf, lmf); #endif (*mono_get_lmf_addr ()) = lmf; } MonoJitTlsData* mono_get_jit_tls (void) { return mono_native_tls_get_value (mono_jit_tls_id); } static void mono_set_jit_tls (MonoJitTlsData *jit_tls) { MonoThreadInfo *info; mono_native_tls_set_value (mono_jit_tls_id, jit_tls); #ifdef MONO_HAVE_FAST_TLS MONO_FAST_TLS_SET (mono_jit_tls, jit_tls); #endif /* Save it into MonoThreadInfo so it can be accessed by mono_thread_state_init_from_handle () */ info = mono_thread_info_current (); if (info) mono_thread_info_tls_set (info, TLS_KEY_JIT_TLS, jit_tls); } static void mono_set_lmf_addr (gpointer lmf_addr) { MonoThreadInfo *info; #ifdef MONO_HAVE_FAST_TLS MONO_FAST_TLS_SET (mono_lmf_addr, lmf_addr); #endif /* Save it into MonoThreadInfo so it can be accessed by mono_thread_state_init_from_handle () */ info = mono_thread_info_current (); if (info) mono_thread_info_tls_set (info, TLS_KEY_LMF_ADDR, lmf_addr); } /* * mono_jit_thread_attach: * * Called by native->managed wrappers. Returns the original domain which needs to be * restored, or NULL. */ MonoDomain* mono_jit_thread_attach (MonoDomain *domain) { MonoDomain *orig; if (!domain) /* * Happens when called from AOTed code which is only used in the root * domain. */ domain = mono_get_root_domain (); #ifdef MONO_HAVE_FAST_TLS if (!MONO_FAST_TLS_GET (mono_lmf_addr)) { mono_thread_attach (domain); // #678164 mono_thread_set_state (mono_thread_internal_current (), ThreadState_Background); } #else if (!mono_native_tls_get_value (mono_jit_tls_id)) { mono_thread_attach (domain); mono_thread_set_state (mono_thread_internal_current (), ThreadState_Background); } #endif orig = mono_domain_get (); if (orig != domain) mono_domain_set (domain, TRUE); return orig != domain ? orig : NULL; } /* Called by native->managed wrappers */ void mono_jit_set_domain (MonoDomain *domain) { if (domain) mono_domain_set (domain, TRUE); } /** * mono_thread_abort: * @obj: exception object * * abort the thread, print exception information and stack trace */ static void mono_thread_abort (MonoObject *obj) { /* MonoJitTlsData *jit_tls = mono_native_tls_get_value (mono_jit_tls_id); */ /* handle_remove should be eventually called for this thread, too g_free (jit_tls);*/ if ((mono_runtime_unhandled_exception_policy_get () == MONO_UNHANDLED_POLICY_LEGACY) || (obj->vtable->klass == mono_defaults.threadabortexception_class)) { mono_thread_exit (); } else { mono_invoke_unhandled_exception_hook (obj); } } static void* setup_jit_tls_data (gpointer stack_start, gpointer abort_func) { MonoJitTlsData *jit_tls; MonoLMF *lmf; jit_tls = mono_native_tls_get_value (mono_jit_tls_id); if (jit_tls) return jit_tls; jit_tls = g_new0 (MonoJitTlsData, 1); jit_tls->abort_func = abort_func; jit_tls->end_of_stack = stack_start; mono_set_jit_tls (jit_tls); lmf = g_new0 (MonoLMF, 1); MONO_ARCH_INIT_TOP_LMF_ENTRY (lmf); jit_tls->first_lmf = lmf; #if defined(MONO_HAVE_FAST_TLS) && defined(MONO_ARCH_ENABLE_MONO_LMF_VAR) /* jit_tls->lmf is unused */ MONO_FAST_TLS_SET (mono_lmf, lmf); mono_set_lmf_addr (MONO_FAST_TLS_ADDR (mono_lmf)); #else mono_set_lmf_addr (&jit_tls->lmf); jit_tls->lmf = lmf; #endif #ifdef MONO_ARCH_HAVE_TLS_INIT mono_arch_tls_init (); #endif mono_setup_altstack (jit_tls); return jit_tls; } static void free_jit_tls_data (MonoJitTlsData *jit_tls) { mono_arch_free_jit_tls_data (jit_tls); mono_free_altstack (jit_tls); g_free (jit_tls->first_lmf); g_free (jit_tls); } static void mono_thread_start_cb (intptr_t tid, gpointer stack_start, gpointer func) { MonoInternalThread *thread; void *jit_tls = setup_jit_tls_data (stack_start, mono_thread_abort); thread = mono_thread_internal_current (); if (thread) thread->jit_data = jit_tls; mono_arch_cpu_init (); } void (*mono_thread_attach_aborted_cb ) (MonoObject *obj) = NULL; static void mono_thread_abort_dummy (MonoObject *obj) { if (mono_thread_attach_aborted_cb) mono_thread_attach_aborted_cb (obj); else mono_thread_abort (obj); } static void mono_thread_attach_cb (intptr_t tid, gpointer stack_start) { MonoInternalThread *thread; void *jit_tls = setup_jit_tls_data (stack_start, mono_thread_abort_dummy); thread = mono_thread_internal_current (); if (thread) thread->jit_data = jit_tls; if (mono_profiler_get_events () & MONO_PROFILE_STATISTICAL) mono_runtime_setup_stat_profiler (); mono_arch_cpu_init (); } static void mini_thread_cleanup (MonoInternalThread *thread) { MonoJitTlsData *jit_tls = thread->jit_data; if (jit_tls) { /* We can't clean up tls information if we are on another thread, it will clean up the wrong stuff * It would be nice to issue a warning when this happens outside of the shutdown sequence. but it's * not a trivial thing. * * The current offender is mono_thread_manage which cleanup threads from the outside. */ if (thread == mono_thread_internal_current ()) mono_set_jit_tls (NULL); /* If we attach a thread but never call into managed land, we might never get an lmf.*/ if (mono_get_lmf ()) { mono_set_lmf (NULL); mono_set_lmf_addr (NULL); } free_jit_tls_data (jit_tls); thread->jit_data = NULL; } } int mini_get_tls_offset (MonoTlsKey key) { int offset; switch (key) { case TLS_KEY_THREAD: offset = mono_thread_get_tls_offset (); break; case TLS_KEY_JIT_TLS: offset = mono_get_jit_tls_offset (); break; case TLS_KEY_DOMAIN: offset = mono_domain_get_tls_offset (); break; case TLS_KEY_LMF: offset = mono_get_lmf_tls_offset (); break; case TLS_KEY_LMF_ADDR: offset = mono_get_lmf_addr_tls_offset (); break; default: offset = mono_tls_key_get_offset (key); g_assert (offset != -1); break; } return offset; } static gboolean mini_tls_key_supported (MonoTlsKey key) { if (!MONO_ARCH_HAVE_TLS_GET) return FALSE; return mini_get_tls_offset (key) != -1; } MonoJumpInfo * mono_patch_info_list_prepend (MonoJumpInfo *list, int ip, MonoJumpInfoType type, gconstpointer target) { MonoJumpInfo *ji = g_new0 (MonoJumpInfo, 1); ji->ip.i = ip; ji->type = type; ji->data.target = target; ji->next = list; return ji; } /** * mono_patch_info_dup_mp: * * Make a copy of PATCH_INFO, allocating memory from the mempool MP. */ MonoJumpInfo* mono_patch_info_dup_mp (MonoMemPool *mp, MonoJumpInfo *patch_info) { MonoJumpInfo *res = mono_mempool_alloc (mp, sizeof (MonoJumpInfo)); memcpy (res, patch_info, sizeof (MonoJumpInfo)); switch (patch_info->type) { case MONO_PATCH_INFO_RVA: case MONO_PATCH_INFO_LDSTR: case MONO_PATCH_INFO_TYPE_FROM_HANDLE: case MONO_PATCH_INFO_LDTOKEN: case MONO_PATCH_INFO_DECLSEC: res->data.token = mono_mempool_alloc (mp, sizeof (MonoJumpInfoToken)); memcpy (res->data.token, patch_info->data.token, sizeof (MonoJumpInfoToken)); break; case MONO_PATCH_INFO_SWITCH: res->data.table = mono_mempool_alloc (mp, sizeof (MonoJumpInfoBBTable)); memcpy (res->data.table, patch_info->data.table, sizeof (MonoJumpInfoBBTable)); res->data.table->table = mono_mempool_alloc (mp, sizeof (MonoBasicBlock*) * patch_info->data.table->table_size); memcpy (res->data.table->table, patch_info->data.table->table, sizeof (MonoBasicBlock*) * patch_info->data.table->table_size); break; case MONO_PATCH_INFO_RGCTX_FETCH: res->data.rgctx_entry = mono_mempool_alloc (mp, sizeof (MonoJumpInfoRgctxEntry)); memcpy (res->data.rgctx_entry, patch_info->data.rgctx_entry, sizeof (MonoJumpInfoRgctxEntry)); res->data.rgctx_entry->data = mono_patch_info_dup_mp (mp, res->data.rgctx_entry->data); break; case MONO_PATCH_INFO_DELEGATE_TRAMPOLINE: res->data.del_tramp = mono_mempool_alloc0 (mp, sizeof (MonoDelegateClassMethodPair)); memcpy (res->data.del_tramp, patch_info->data.del_tramp, sizeof (MonoDelegateClassMethodPair)); break; case MONO_PATCH_INFO_GSHAREDVT_CALL: res->data.gsharedvt = mono_mempool_alloc (mp, sizeof (MonoJumpInfoGSharedVtCall)); memcpy (res->data.gsharedvt, patch_info->data.gsharedvt, sizeof (MonoJumpInfoGSharedVtCall)); break; case MONO_PATCH_INFO_GSHAREDVT_METHOD: { MonoGSharedVtMethodInfo *info; MonoGSharedVtMethodInfo *oinfo; int i; oinfo = patch_info->data.gsharedvt_method; info = mono_mempool_alloc (mp, sizeof (MonoGSharedVtMethodInfo)); res->data.gsharedvt_method = info; memcpy (info, oinfo, sizeof (MonoGSharedVtMethodInfo)); info->entries = mono_mempool_alloc (mp, sizeof (MonoRuntimeGenericContextInfoTemplate) * info->count_entries); for (i = 0; i < oinfo->num_entries; ++i) { MonoRuntimeGenericContextInfoTemplate *otemplate = &oinfo->entries [i]; MonoRuntimeGenericContextInfoTemplate *template = &info->entries [i]; memcpy (template, otemplate, sizeof (MonoRuntimeGenericContextInfoTemplate)); } //info->locals_types = mono_mempool_alloc0 (mp, info->nlocals * sizeof (MonoType*)); //memcpy (info->locals_types, oinfo->locals_types, info->nlocals * sizeof (MonoType*)); break; } default: break; } return res; } guint mono_patch_info_hash (gconstpointer data) { const MonoJumpInfo *ji = (MonoJumpInfo*)data; switch (ji->type) { case MONO_PATCH_INFO_RVA: case MONO_PATCH_INFO_LDSTR: case MONO_PATCH_INFO_LDTOKEN: case MONO_PATCH_INFO_DECLSEC: return (ji->type << 8) | ji->data.token->token; case MONO_PATCH_INFO_TYPE_FROM_HANDLE: return (ji->type << 8) | ji->data.token->token | (ji->data.token->has_context ? (gsize)ji->data.token->context.class_inst : 0); case MONO_PATCH_INFO_INTERNAL_METHOD: return (ji->type << 8) | g_str_hash (ji->data.name); case MONO_PATCH_INFO_VTABLE: case MONO_PATCH_INFO_CLASS: case MONO_PATCH_INFO_IID: case MONO_PATCH_INFO_ADJUSTED_IID: case MONO_PATCH_INFO_CLASS_INIT: case MONO_PATCH_INFO_GENERIC_CLASS_INIT: case MONO_PATCH_INFO_METHODCONST: case MONO_PATCH_INFO_METHOD: case MONO_PATCH_INFO_METHOD_JUMP: case MONO_PATCH_INFO_IMAGE: case MONO_PATCH_INFO_JIT_ICALL_ADDR: case MONO_PATCH_INFO_ICALL_ADDR: case MONO_PATCH_INFO_FIELD: case MONO_PATCH_INFO_SFLDA: case MONO_PATCH_INFO_SEQ_POINT_INFO: case MONO_PATCH_INFO_METHOD_RGCTX: case MONO_PATCH_INFO_SIGNATURE: case MONO_PATCH_INFO_TLS_OFFSET: case MONO_PATCH_INFO_METHOD_CODE_SLOT: return (ji->type << 8) | (gssize)ji->data.target; case MONO_PATCH_INFO_GSHAREDVT_CALL: return (ji->type << 8) | (gssize)ji->data.gsharedvt->method; case MONO_PATCH_INFO_RGCTX_FETCH: { MonoJumpInfoRgctxEntry *e = ji->data.rgctx_entry; return (ji->type << 8) | (gssize)e->method | (e->in_mrgctx) | e->info_type | mono_patch_info_hash (e->data); } case MONO_PATCH_INFO_INTERRUPTION_REQUEST_FLAG: case MONO_PATCH_INFO_MSCORLIB_GOT_ADDR: case MONO_PATCH_INFO_GC_CARD_TABLE_ADDR: case MONO_PATCH_INFO_JIT_TLS_ID: case MONO_PATCH_INFO_MONITOR_ENTER: case MONO_PATCH_INFO_MONITOR_ENTER_V4: case MONO_PATCH_INFO_MONITOR_EXIT: case MONO_PATCH_INFO_GOT_OFFSET: return (ji->type << 8); case MONO_PATCH_INFO_CASTCLASS_CACHE: return (ji->type << 8) | (ji->data.index); case MONO_PATCH_INFO_SWITCH: return (ji->type << 8) | ji->data.table->table_size; case MONO_PATCH_INFO_GSHAREDVT_METHOD: return (ji->type << 8) | (gssize)ji->data.gsharedvt_method->method; case MONO_PATCH_INFO_OBJC_SELECTOR_REF: /* Hash on the selector name */ return g_str_hash (ji->data.target); case MONO_PATCH_INFO_DELEGATE_TRAMPOLINE: return (ji->type << 8) | (gsize)ji->data.del_tramp->klass | (gsize)ji->data.del_tramp->method | (gsize)ji->data.del_tramp->virtual; case MONO_PATCH_INFO_LDSTR_LIT: return g_str_hash (ji->data.target); default: printf ("info type: %d\n", ji->type); mono_print_ji (ji); printf ("\n"); g_assert_not_reached (); return 0; } } /* * mono_patch_info_equal: * * This might fail to recognize equivalent patches, i.e. floats, so its only * usable in those cases where this is not a problem, i.e. sharing GOT slots * in AOT. */ gint mono_patch_info_equal (gconstpointer ka, gconstpointer kb) { const MonoJumpInfo *ji1 = (MonoJumpInfo*)ka; const MonoJumpInfo *ji2 = (MonoJumpInfo*)kb; if (ji1->type != ji2->type) return 0; switch (ji1->type) { case MONO_PATCH_INFO_RVA: case MONO_PATCH_INFO_LDSTR: case MONO_PATCH_INFO_TYPE_FROM_HANDLE: case MONO_PATCH_INFO_LDTOKEN: case MONO_PATCH_INFO_DECLSEC: if ((ji1->data.token->image != ji2->data.token->image) || (ji1->data.token->token != ji2->data.token->token) || (ji1->data.token->has_context != ji2->data.token->has_context) || (ji1->data.token->context.class_inst != ji2->data.token->context.class_inst) || (ji1->data.token->context.method_inst != ji2->data.token->context.method_inst)) return 0; break; case MONO_PATCH_INFO_INTERNAL_METHOD: return g_str_equal (ji1->data.name, ji2->data.name); case MONO_PATCH_INFO_RGCTX_FETCH: { MonoJumpInfoRgctxEntry *e1 = ji1->data.rgctx_entry; MonoJumpInfoRgctxEntry *e2 = ji2->data.rgctx_entry; 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); } case MONO_PATCH_INFO_GSHAREDVT_CALL: { MonoJumpInfoGSharedVtCall *c1 = ji1->data.gsharedvt; MonoJumpInfoGSharedVtCall *c2 = ji2->data.gsharedvt; return c1->sig == c2->sig && c1->method == c2->method; } case MONO_PATCH_INFO_GSHAREDVT_METHOD: return ji1->data.gsharedvt_method->method == ji2->data.gsharedvt_method->method; case MONO_PATCH_INFO_DELEGATE_TRAMPOLINE: return ji1->data.del_tramp->klass == ji2->data.del_tramp->klass && ji1->data.del_tramp->method == ji2->data.del_tramp->method && ji1->data.del_tramp->virtual == ji2->data.del_tramp->virtual; case MONO_PATCH_INFO_CASTCLASS_CACHE: return ji1->data.index == ji2->data.index; default: if (ji1->data.target != ji2->data.target) return 0; break; } return 1; } gpointer mono_resolve_patch_target (MonoMethod *method, MonoDomain *domain, guint8 *code, MonoJumpInfo *patch_info, gboolean run_cctors) { unsigned char *ip = patch_info->ip.i + code; gconstpointer target = NULL; switch (patch_info->type) { case MONO_PATCH_INFO_BB: /* * FIXME: This could be hit for methods without a prolog. Should use -1 * but too much code depends on a 0 initial value. */ //g_assert (patch_info->data.bb->native_offset); target = patch_info->data.bb->native_offset + code; break; case MONO_PATCH_INFO_ABS: target = patch_info->data.target; break; case MONO_PATCH_INFO_LABEL: target = patch_info->data.inst->inst_c0 + code; break; case MONO_PATCH_INFO_IP: #if defined(__native_client__) && defined(__native_client_codegen__) /* Need to transform to the destination address, it's */ /* emitted as an immediate in the code. */ target = nacl_inverse_modify_patch_target(ip); #else target = ip; #endif break; case MONO_PATCH_INFO_METHOD_REL: target = code + patch_info->data.offset; break; case MONO_PATCH_INFO_INTERNAL_METHOD: { MonoJitICallInfo *mi = mono_find_jit_icall_by_name (patch_info->data.name); if (!mi) { g_warning ("unknown MONO_PATCH_INFO_INTERNAL_METHOD %s", patch_info->data.name); g_assert_not_reached (); } target = mono_icall_get_wrapper (mi); break; } case MONO_PATCH_INFO_JIT_ICALL_ADDR: { MonoJitICallInfo *mi = mono_find_jit_icall_by_name (patch_info->data.name); if (!mi) { g_warning ("unknown MONO_PATCH_INFO_JIT_ICALL_ADDR %s", patch_info->data.name); g_assert_not_reached (); } target = mi->func; break; } case MONO_PATCH_INFO_METHOD_JUMP: target = mono_create_jump_trampoline (domain, patch_info->data.method, FALSE); #if defined(__native_client__) && defined(__native_client_codegen__) # if defined(TARGET_AMD64) /* This target is an absolute address, not relative to the */ /* current code being emitted on AMD64. */ target = nacl_inverse_modify_patch_target(target); # endif #endif break; case MONO_PATCH_INFO_METHOD: #if defined(__native_client_codegen__) && defined(USE_JUMP_TABLES) /* * If we use jumptables, for recursive calls we cannot * avoid trampoline, as we not yet know where we will * be installed. */ target = mono_create_jit_trampoline_in_domain (domain, patch_info->data.method); #else if (patch_info->data.method == method) { target = code; } else { /* get the trampoline to the method from the domain */ target = mono_create_jit_trampoline_in_domain (domain, patch_info->data.method); } #endif break; case MONO_PATCH_INFO_METHOD_CODE_SLOT: { gpointer code_slot; mono_domain_lock (domain); if (!domain_jit_info (domain)->method_code_hash) domain_jit_info (domain)->method_code_hash = g_hash_table_new (NULL, NULL); code_slot = g_hash_table_lookup (domain_jit_info (domain)->method_code_hash, patch_info->data.method); if (!code_slot) { code_slot = mono_domain_alloc0 (domain, sizeof (gpointer)); g_hash_table_insert (domain_jit_info (domain)->method_code_hash, patch_info->data.method, code_slot); } mono_domain_unlock (domain); target = code_slot; break; } case MONO_PATCH_INFO_SWITCH: { gpointer *jump_table; int i; #if defined(__native_client__) && defined(__native_client_codegen__) /* This memory will leak, but we don't care if we're */ /* not deleting JIT'd methods anyway */ jump_table = g_malloc0 (sizeof(gpointer) * patch_info->data.table->table_size); #else if (method && method->dynamic) { jump_table = mono_code_manager_reserve (mono_dynamic_code_hash_lookup (domain, method)->code_mp, sizeof (gpointer) * patch_info->data.table->table_size); } else { if (mono_aot_only) { jump_table = mono_domain_alloc (domain, sizeof (gpointer) * patch_info->data.table->table_size); } else { jump_table = mono_domain_code_reserve (domain, sizeof (gpointer) * patch_info->data.table->table_size); } } #endif for (i = 0; i < patch_info->data.table->table_size; i++) { #if defined(__native_client__) && defined(__native_client_codegen__) /* 'code' is relative to the current code blob, we */ /* need to do this transform on it to make the */ /* pointers in this table absolute */ jump_table [i] = nacl_inverse_modify_patch_target (code) + GPOINTER_TO_INT (patch_info->data.table->table [i]); #else jump_table [i] = code + GPOINTER_TO_INT (patch_info->data.table->table [i]); #endif } #if defined(__native_client__) && defined(__native_client_codegen__) /* jump_table is in the data section, we need to transform */ /* it here so when it gets modified in amd64_patch it will */ /* then point back to the absolute data address */ target = nacl_inverse_modify_patch_target (jump_table); #else target = jump_table; #endif break; } case MONO_PATCH_INFO_METHODCONST: case MONO_PATCH_INFO_CLASS: case MONO_PATCH_INFO_IMAGE: case MONO_PATCH_INFO_FIELD: case MONO_PATCH_INFO_SIGNATURE: target = patch_info->data.target; break; case MONO_PATCH_INFO_IID: mono_class_init (patch_info->data.klass); target = GINT_TO_POINTER ((int)patch_info->data.klass->interface_id); break; case MONO_PATCH_INFO_ADJUSTED_IID: mono_class_init (patch_info->data.klass); target = GINT_TO_POINTER ((int)(-((patch_info->data.klass->interface_id + 1) * SIZEOF_VOID_P))); break; case MONO_PATCH_INFO_VTABLE: target = mono_class_vtable (domain, patch_info->data.klass); g_assert (target); break; case MONO_PATCH_INFO_CLASS_INIT: { MonoVTable *vtable = mono_class_vtable (domain, patch_info->data.klass); g_assert (vtable); target = mono_create_class_init_trampoline (vtable); break; } case MONO_PATCH_INFO_DELEGATE_TRAMPOLINE: { MonoDelegateClassMethodPair *del_tramp = patch_info->data.del_tramp; if (del_tramp->virtual) target = mono_create_delegate_virtual_trampoline (domain, del_tramp->klass, del_tramp->method); else target = mono_create_delegate_trampoline_info (domain, del_tramp->klass, del_tramp->method); break; } case MONO_PATCH_INFO_SFLDA: { MonoVTable *vtable = mono_class_vtable (domain, patch_info->data.field->parent); if (mono_class_field_is_special_static (patch_info->data.field)) { gpointer addr = NULL; mono_domain_lock (domain); if (domain->special_static_fields) addr = g_hash_table_lookup (domain->special_static_fields, patch_info->data.field); mono_domain_unlock (domain); g_assert (addr); return addr; } g_assert (vtable); if (!vtable->initialized && !(vtable->klass->flags & TYPE_ATTRIBUTE_BEFORE_FIELD_INIT) && (method && mono_class_needs_cctor_run (vtable->klass, method))) /* Done by the generated code */ ; else { if (run_cctors) mono_runtime_class_init (vtable); } target = (char*)mono_vtable_get_static_field_data (vtable) + patch_info->data.field->offset; break; } case MONO_PATCH_INFO_RVA: { guint32 field_index = mono_metadata_token_index (patch_info->data.token->token); guint32 rva; mono_metadata_field_info (patch_info->data.token->image, field_index - 1, NULL, &rva, NULL); target = mono_image_rva_map (patch_info->data.token->image, rva); break; } case MONO_PATCH_INFO_R4: case MONO_PATCH_INFO_R8: target = patch_info->data.target; break; case MONO_PATCH_INFO_EXC_NAME: target = patch_info->data.name; break; case MONO_PATCH_INFO_LDSTR: target = mono_ldstr (domain, patch_info->data.token->image, mono_metadata_token_index (patch_info->data.token->token)); break; case MONO_PATCH_INFO_TYPE_FROM_HANDLE: { gpointer handle; MonoClass *handle_class; MonoError error; handle = mono_ldtoken_checked (patch_info->data.token->image, patch_info->data.token->token, &handle_class, patch_info->data.token->has_context ? &patch_info->data.token->context : NULL, &error); if (!mono_error_ok (&error)) g_error ("Could not patch ldtoken due to %s", mono_error_get_message (&error)); mono_class_init (handle_class); mono_class_init (mono_class_from_mono_type (handle)); target = mono_type_get_object (domain, handle); break; } case MONO_PATCH_INFO_LDTOKEN: { gpointer handle; MonoClass *handle_class; MonoError error; handle = mono_ldtoken_checked (patch_info->data.token->image, patch_info->data.token->token, &handle_class, patch_info->data.token->has_context ? &patch_info->data.token->context : NULL, &error); if (!mono_error_ok (&error)) g_error ("Could not patch ldtoken due to %s", mono_error_get_message (&error)); mono_class_init (handle_class); target = handle; break; } case MONO_PATCH_INFO_DECLSEC: target = (mono_metadata_blob_heap (patch_info->data.token->image, patch_info->data.token->token) + 2); break; case MONO_PATCH_INFO_ICALL_ADDR: /* run_cctors == 0 -> AOT */ if (patch_info->data.method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL) { const char *exc_class; const char *exc_arg; if (run_cctors) { target = mono_lookup_pinvoke_call (patch_info->data.method, &exc_class, &exc_arg); if (!target) { if (mono_aot_only) mono_raise_exception (mono_exception_from_name_msg (mono_defaults.corlib, "System", exc_class, exc_arg)); 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)); } } else { target = NULL; } } else { target = mono_lookup_internal_call (patch_info->data.method); if (!target && run_cctors) g_error ("Unregistered icall '%s'\n", mono_method_full_name (patch_info->data.method, TRUE)); } break; case MONO_PATCH_INFO_INTERRUPTION_REQUEST_FLAG: target = mono_thread_interruption_request_flag (); break; case MONO_PATCH_INFO_METHOD_RGCTX: { MonoVTable *vtable = mono_class_vtable (domain, patch_info->data.method->klass); g_assert (vtable); target = mono_method_lookup_rgctx (vtable, mini_method_get_context (patch_info->data.method)->method_inst); break; } case MONO_PATCH_INFO_BB_OVF: case MONO_PATCH_INFO_EXC_OVF: case MONO_PATCH_INFO_GOT_OFFSET: case MONO_PATCH_INFO_NONE: break; case MONO_PATCH_INFO_RGCTX_FETCH: { MonoJumpInfoRgctxEntry *entry = patch_info->data.rgctx_entry; guint32 slot = -1; switch (entry->data->type) { case MONO_PATCH_INFO_CLASS: slot = mono_method_lookup_or_register_info (entry->method, entry->in_mrgctx, &entry->data->data.klass->byval_arg, entry->info_type, mono_method_get_context (entry->method)); break; case MONO_PATCH_INFO_METHOD: case MONO_PATCH_INFO_METHODCONST: slot = mono_method_lookup_or_register_info (entry->method, entry->in_mrgctx, entry->data->data.method, entry->info_type, mono_method_get_context (entry->method)); break; case MONO_PATCH_INFO_FIELD: slot = mono_method_lookup_or_register_info (entry->method, entry->in_mrgctx, entry->data->data.field, entry->info_type, mono_method_get_context (entry->method)); break; case MONO_PATCH_INFO_SIGNATURE: slot = mono_method_lookup_or_register_info (entry->method, entry->in_mrgctx, entry->data->data.sig, entry->info_type, mono_method_get_context (entry->method)); break; case MONO_PATCH_INFO_GSHAREDVT_CALL: { MonoJumpInfoGSharedVtCall *call_info = g_malloc0 (sizeof (MonoJumpInfoGSharedVtCall)); //mono_domain_alloc0 (domain, sizeof (MonoJumpInfoGSharedVtCall)); memcpy (call_info, entry->data->data.gsharedvt, sizeof (MonoJumpInfoGSharedVtCall)); slot = mono_method_lookup_or_register_info (entry->method, entry->in_mrgctx, call_info, entry->info_type, mono_method_get_context (entry->method)); break; } case MONO_PATCH_INFO_GSHAREDVT_METHOD: { MonoGSharedVtMethodInfo *info; MonoGSharedVtMethodInfo *oinfo = entry->data->data.gsharedvt_method; int i; /* Make a copy into the domain mempool */ info = g_malloc0 (sizeof (MonoGSharedVtMethodInfo)); //mono_domain_alloc0 (domain, sizeof (MonoGSharedVtMethodInfo)); info->method = oinfo->method; info->num_entries = oinfo->num_entries; info->entries = g_malloc0 (sizeof (MonoRuntimeGenericContextInfoTemplate) * info->num_entries); for (i = 0; i < oinfo->num_entries; ++i) { MonoRuntimeGenericContextInfoTemplate *otemplate = &oinfo->entries [i]; MonoRuntimeGenericContextInfoTemplate *template = &info->entries [i]; memcpy (template, otemplate, sizeof (MonoRuntimeGenericContextInfoTemplate)); } slot = mono_method_lookup_or_register_info (entry->method, entry->in_mrgctx, info, entry->info_type, mono_method_get_context (entry->method)); break; } default: g_assert_not_reached (); break; } target = mono_create_rgctx_lazy_fetch_trampoline (slot); break; } case MONO_PATCH_INFO_GENERIC_CLASS_INIT: target = mono_create_generic_class_init_trampoline (); break; case MONO_PATCH_INFO_MONITOR_ENTER: target = mono_create_monitor_enter_trampoline (); break; case MONO_PATCH_INFO_MONITOR_ENTER_V4: target = mono_create_monitor_enter_v4_trampoline (); break; case MONO_PATCH_INFO_MONITOR_EXIT: target = mono_create_monitor_exit_trampoline (); break; #ifdef MONO_ARCH_SOFT_DEBUG_SUPPORTED case MONO_PATCH_INFO_SEQ_POINT_INFO: if (!run_cctors) /* AOT, not needed */ target = NULL; else target = mono_arch_get_seq_point_info (domain, code); break; #endif case MONO_PATCH_INFO_LLVM_IMT_TRAMPOLINE: #ifdef MONO_ARCH_LLVM_SUPPORTED g_assert (mono_use_llvm); target = mono_create_llvm_imt_trampoline (domain, patch_info->data.imt_tramp->method, patch_info->data.imt_tramp->vt_offset); #else g_assert_not_reached (); #endif break; case MONO_PATCH_INFO_GC_CARD_TABLE_ADDR: { int card_table_shift_bits; gpointer card_table_mask; target = mono_gc_get_card_table (&card_table_shift_bits, &card_table_mask); break; } case MONO_PATCH_INFO_CASTCLASS_CACHE: { target = mono_domain_alloc0 (domain, sizeof (gpointer)); break; } case MONO_PATCH_INFO_JIT_TLS_ID: { target = (gpointer) (size_t) mono_jit_tls_id; break; } case MONO_PATCH_INFO_TLS_OFFSET: { int offset; offset = mini_get_tls_offset (GPOINTER_TO_INT (patch_info->data.target)); #ifdef MONO_ARCH_HAVE_TRANSLATE_TLS_OFFSET offset = mono_arch_translate_tls_offset (offset); #endif target = GINT_TO_POINTER (offset); break; } case MONO_PATCH_INFO_OBJC_SELECTOR_REF: { target = NULL; break; } case MONO_PATCH_INFO_LDSTR_LIT: { int len; char *s; len = strlen (patch_info->data.target); s = mono_domain_alloc0 (domain, len + 1); memcpy (s, patch_info->data.target, len); target = s; break; } default: g_assert_not_reached (); } return (gpointer)target; } static gboolean is_gsharedvt_type (MonoType *t) { return (t->type == MONO_TYPE_VAR || t->type == MONO_TYPE_MVAR) && t->data.generic_param->gshared_constraint == MONO_TYPE_VALUETYPE; } void mini_init_gsctx (MonoDomain *domain, MonoMemPool *mp, MonoGenericContext *context, MonoGenericSharingContext *gsctx) { MonoGenericInst *inst; int i; memset (gsctx, 0, sizeof (MonoGenericSharingContext)); if (context && context->class_inst) { inst = context->class_inst; if (domain) gsctx->var_is_vt = mono_domain_alloc0 (domain, sizeof (gboolean) * inst->type_argc); else if (mp) gsctx->var_is_vt = mono_mempool_alloc0 (mp, sizeof (gboolean) * inst->type_argc); else gsctx->var_is_vt = g_new0 (gboolean, inst->type_argc); for (i = 0; i < inst->type_argc; ++i) { MonoType *type = inst->type_argv [i]; if (is_gsharedvt_type (type)) gsctx->var_is_vt [i] = TRUE; } } if (context && context->method_inst) { inst = context->method_inst; if (domain) gsctx->mvar_is_vt = mono_domain_alloc0 (domain, sizeof (gboolean) * inst->type_argc); else if (mp) gsctx->mvar_is_vt = mono_mempool_alloc0 (mp, sizeof (gboolean) * inst->type_argc); else gsctx->mvar_is_vt = g_new0 (gboolean, inst->type_argc); for (i = 0; i < inst->type_argc; ++i) { MonoType *type = inst->type_argv [i]; if (is_gsharedvt_type (type)) gsctx->mvar_is_vt [i] = TRUE; } } } /* * LOCKING: Acquires the jit code hash lock. */ MonoJitInfo* mini_lookup_method (MonoDomain *domain, MonoMethod *method, MonoMethod *shared) { MonoJitInfo *ji; static gboolean inited = FALSE; static int lookups = 0; static int failed_lookups = 0; mono_domain_jit_code_hash_lock (domain); ji = mono_internal_hash_table_lookup (&domain->jit_code_hash, method); if (!ji && shared) { /* Try generic sharing */ ji = mono_internal_hash_table_lookup (&domain->jit_code_hash, shared); if (ji && !ji->has_generic_jit_info) ji = NULL; if (!inited) { mono_counters_register ("Shared generic lookups", MONO_COUNTER_INT|MONO_COUNTER_GENERICS, &lookups); mono_counters_register ("Failed shared generic lookups", MONO_COUNTER_INT|MONO_COUNTER_GENERICS, &failed_lookups); inited = TRUE; } ++lookups; if (!ji) ++failed_lookups; } mono_domain_jit_code_hash_unlock (domain); return ji; } static MonoJitInfo* lookup_method (MonoDomain *domain, MonoMethod *method) { MonoJitInfo *ji; MonoMethod *shared; ji = mini_lookup_method (domain, method, NULL); if (!ji) { if (!mono_method_is_generic_sharable (method, FALSE)) return NULL; shared = mini_get_shared_method (method); ji = mini_lookup_method (domain, method, shared); } return ji; } MonoJitInfo * mono_get_jit_info_from_method (MonoDomain *domain, MonoMethod *method) { return lookup_method (domain, method); } #if ENABLE_JIT_MAP static FILE* perf_map_file; void mono_enable_jit_map (void) { if (!perf_map_file) { char name [64]; g_snprintf (name, sizeof (name), "/tmp/perf-%d.map", getpid ()); unlink (name); perf_map_file = fopen (name, "w"); } } void mono_emit_jit_tramp (void *start, int size, const char *desc) { if (perf_map_file) fprintf (perf_map_file, "%llx %x %s\n", (long long unsigned int)(gsize)start, size, desc); } void mono_emit_jit_map (MonoJitInfo *jinfo) { if (perf_map_file) { char *name = mono_method_full_name (jinfo_get_method (jinfo), TRUE); mono_emit_jit_tramp (jinfo->code_start, jinfo->code_size, name); g_free (name); } } gboolean mono_jit_map_is_enabled (void) { return perf_map_file != NULL; } #endif static gpointer mono_jit_compile_method_with_opt (MonoMethod *method, guint32 opt, MonoException **ex) { MonoDomain *target_domain, *domain = mono_domain_get (); MonoJitInfo *info; gpointer code = NULL, p; MonoJitInfo *ji; MonoJitICallInfo *callinfo = NULL; WrapperInfo *winfo = NULL; /* * ICALL wrappers are handled specially, since there is only one copy of them * shared by all appdomains. */ if (method->wrapper_type == MONO_WRAPPER_MANAGED_TO_NATIVE) winfo = mono_marshal_get_wrapper_info (method); if (winfo && winfo->subtype == WRAPPER_SUBTYPE_ICALL_WRAPPER) { callinfo = mono_find_jit_icall_by_addr (winfo->d.icall.func); g_assert (callinfo); /* Must be domain neutral since there is only one copy */ opt |= MONO_OPT_SHARED; } if (method->dynamic) opt &= ~MONO_OPT_SHARED; /* These methods can become invalid when a domain is unloaded */ if (method->klass->image != mono_get_corlib () || method->is_inflated) opt &= ~MONO_OPT_SHARED; if (opt & MONO_OPT_SHARED) target_domain = mono_get_root_domain (); else target_domain = domain; if (method->wrapper_type == MONO_WRAPPER_UNKNOWN) { WrapperInfo *info = mono_marshal_get_wrapper_info (method); g_assert (info); if (info->subtype == WRAPPER_SUBTYPE_SYNCHRONIZED_INNER) { MonoGenericContext *ctx = NULL; if (method->is_inflated) ctx = mono_method_get_context (method); method = info->d.synchronized_inner.method; if (ctx) { MonoError error; method = mono_class_inflate_generic_method_checked (method, ctx, &error); g_assert (mono_error_ok (&error)); /* FIXME don't swallow the error */ } } } info = lookup_method (target_domain, method); if (info) { /* We can't use a domain specific method in another domain */ if (! ((domain != target_domain) && !info->domain_neutral)) { MonoVTable *vtable; MonoException *tmpEx; mono_jit_stats.methods_lookups++; vtable = mono_class_vtable (domain, method->klass); g_assert (vtable); tmpEx = mono_runtime_class_init_full (vtable, ex == NULL); if (tmpEx) { *ex = tmpEx; return NULL; } return mono_create_ftnptr (target_domain, info->code_start); } } #ifdef MONO_USE_AOT_COMPILER if (opt & MONO_OPT_AOT) { MonoDomain *domain = mono_domain_get (); mono_class_init (method->klass); if ((code = mono_aot_get_method (domain, method))) { MonoVTable *vtable; vtable = mono_class_vtable (domain, method->klass); g_assert (vtable); mono_runtime_class_init (vtable); } } #endif if (!code) code = mono_jit_compile_method_inner (method, target_domain, opt, ex); if (!code) return NULL; if (method->wrapper_type == MONO_WRAPPER_WRITE_BARRIER || method->wrapper_type == MONO_WRAPPER_ALLOC) { MonoDomain *d; /* * SGEN requires the JIT info for these methods to be registered, see is_ip_in_managed_allocator (). */ ji = mini_jit_info_table_find (mono_domain_get (), code, &d); g_assert (ji); } p = mono_create_ftnptr (target_domain, code); if (callinfo) { /*mono_register_jit_icall_wrapper takes the loader lock, so we take it on the outside. */ mono_loader_lock (); mono_jit_lock (); if (!callinfo->wrapper) { callinfo->wrapper = p; mono_register_jit_icall_wrapper (callinfo, p); } mono_jit_unlock (); mono_loader_unlock (); } return p; } gpointer mono_jit_compile_method (MonoMethod *method) { MonoException *ex = NULL; gpointer code; code = mono_jit_compile_method_with_opt (method, mono_get_optimizations_for_method (method, default_opt), &ex); if (!code) { g_assert (ex); mono_raise_exception (ex); } return code; } #ifdef MONO_ARCH_HAVE_INVALIDATE_METHOD static void invalidated_delegate_trampoline (char *desc) { g_error ("Unmanaged code called delegate of type %s which was already garbage collected.\n" "See http://www.mono-project.com/Diagnostic:Delegate for an explanation and ways to fix this.", desc); } #endif /* * mono_jit_free_method: * * Free all memory allocated by the JIT for METHOD. */ static void mono_jit_free_method (MonoDomain *domain, MonoMethod *method) { MonoJitDynamicMethodInfo *ji; gboolean destroy = TRUE; GHashTableIter iter; MonoJumpList *jlist; g_assert (method->dynamic); mono_domain_lock (domain); ji = mono_dynamic_code_hash_lookup (domain, method); mono_domain_unlock (domain); if (!ji) return; mono_debug_remove_method (method, domain); mono_domain_lock (domain); g_hash_table_remove (domain_jit_info (domain)->dynamic_code_hash, method); mono_domain_jit_code_hash_lock (domain); mono_internal_hash_table_remove (&domain->jit_code_hash, method); mono_domain_jit_code_hash_unlock (domain); g_hash_table_remove (domain_jit_info (domain)->jump_trampoline_hash, method); mono_conc_hashtable_remove (domain_jit_info (domain)->runtime_invoke_hash, method); /* Remove jump targets in this method */ g_hash_table_iter_init (&iter, domain_jit_info (domain)->jump_target_hash); while (g_hash_table_iter_next (&iter, NULL, (void**)&jlist)) { GSList *tmp, *remove; remove = NULL; for (tmp = jlist->list; tmp; tmp = tmp->next) { guint8 *ip = tmp->data; if (ip >= (guint8*)ji->ji->code_start && ip < (guint8*)ji->ji->code_start + ji->ji->code_size) remove = g_slist_prepend (remove, tmp); } for (tmp = remove; tmp; tmp = tmp->next) { jlist->list = g_slist_delete_link (jlist->list, tmp->data); } g_slist_free (remove); } mono_domain_unlock (domain); #ifdef MONO_ARCH_HAVE_INVALIDATE_METHOD if (debug_options.keep_delegates && method->wrapper_type == MONO_WRAPPER_NATIVE_TO_MANAGED) { /* * Instead of freeing the code, change it to call an error routine * so people can fix their code. */ char *type = mono_type_full_name (&method->klass->byval_arg); char *type_and_method = g_strdup_printf ("%s.%s", type, method->name); g_free (type); mono_arch_invalidate_method (ji->ji, invalidated_delegate_trampoline, type_and_method); destroy = FALSE; } #endif /* * This needs to be done before freeing code_mp, since the code address is the * key in the table, so if we free the code_mp first, another thread can grab the * same code address and replace our entry in the table. */ mono_jit_info_table_remove (domain, ji->ji); if (destroy) mono_code_manager_destroy (ji->code_mp); g_free (ji); } gpointer mono_jit_find_compiled_method_with_jit_info (MonoDomain *domain, MonoMethod *method, MonoJitInfo **ji) { MonoDomain *target_domain; MonoJitInfo *info; if (default_opt & MONO_OPT_SHARED) target_domain = mono_get_root_domain (); else target_domain = domain; info = lookup_method (target_domain, method); if (info) { /* We can't use a domain specific method in another domain */ if (! ((domain != target_domain) && !info->domain_neutral)) { mono_jit_stats.methods_lookups++; if (ji) *ji = info; return info->code_start; } } if (ji) *ji = NULL; return NULL; } gboolean mono_do_single_method_regression = FALSE; guint32 mono_single_method_regression_opt = 0; MonoMethod *mono_current_single_method; GSList *mono_single_method_list; GHashTable *mono_single_method_hash; guint32 mono_get_optimizations_for_method (MonoMethod *method, guint32 default_opt) { g_assert (method); if (!mono_do_single_method_regression) return default_opt; if (!mono_current_single_method) { if (!mono_single_method_hash) mono_single_method_hash = g_hash_table_new (g_direct_hash, g_direct_equal); if (!g_hash_table_lookup (mono_single_method_hash, method)) { g_hash_table_insert (mono_single_method_hash, method, method); mono_single_method_list = g_slist_prepend (mono_single_method_list, method); } return default_opt; } if (method == mono_current_single_method) return mono_single_method_regression_opt; return default_opt; } gpointer mono_jit_find_compiled_method (MonoDomain *domain, MonoMethod *method) { return mono_jit_find_compiled_method_with_jit_info (domain, method, NULL); } typedef struct { MonoMethod *method; gpointer compiled_method; gpointer runtime_invoke; MonoVTable *vtable; MonoDynCallInfo *dyn_call_info; MonoClass *ret_box_class; } RuntimeInvokeInfo; /** * mono_jit_runtime_invoke: * @method: the method to invoke * @obj: this pointer * @params: array of parameter values. * @exc: used to catch exceptions objects */ static MonoObject* mono_jit_runtime_invoke (MonoMethod *method, void *obj, void **params, MonoObject **exc) { MonoMethod *invoke, *callee; MonoObject *(*runtime_invoke) (MonoObject *this, void **params, MonoObject **exc, void* compiled_method); MonoDomain *domain = mono_domain_get (); MonoJitDomainInfo *domain_info; RuntimeInvokeInfo *info, *info2; if (obj == NULL && !(method->flags & METHOD_ATTRIBUTE_STATIC) && !method->string_ctor && (method->wrapper_type == 0)) { g_warning ("Ignoring invocation of an instance method on a NULL instance.\n"); return NULL; } domain_info = domain_jit_info (domain); info = mono_conc_hashtable_lookup (domain_info->runtime_invoke_hash, method); if (!info) { if (mono_security_core_clr_enabled ()) { /* * This might be redundant since mono_class_vtable () already does this, * but keep it just in case for moonlight. */ mono_class_setup_vtable (method->klass); if (method->klass->exception_type != MONO_EXCEPTION_NONE) { if (exc) *exc = (MonoObject*)mono_class_get_exception_for_failure (method->klass); else mono_raise_exception (mono_class_get_exception_for_failure (method->klass)); return NULL; } } info = g_new0 (RuntimeInvokeInfo, 1); invoke = mono_marshal_get_runtime_invoke (method, FALSE); info->vtable = mono_class_vtable_full (domain, method->klass, TRUE); g_assert (info->vtable); callee = method; if (method->klass->rank && (method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) && (method->iflags & METHOD_IMPL_ATTRIBUTE_NATIVE)) { /* * Array Get/Set/Address methods. The JIT implements them using inline code * inside the runtime invoke wrappers, so no need to compile them. */ if (mono_aot_only) { /* * Call a wrapper, since the runtime invoke wrapper was not generated. */ MonoMethod *wrapper; wrapper = mono_marshal_get_array_accessor_wrapper (method); invoke = mono_marshal_get_runtime_invoke (wrapper, FALSE); callee = wrapper; } else { callee = NULL; } } if (callee) { MonoException *jit_ex = NULL; info->compiled_method = mono_jit_compile_method_with_opt (callee, mono_get_optimizations_for_method (callee, default_opt), &jit_ex); if (!info->compiled_method) { g_free (info); g_assert (jit_ex); if (exc) { *exc = (MonoObject*)jit_ex; return NULL; } else { mono_raise_exception (jit_ex); } } info->compiled_method = mini_add_method_trampoline (NULL, callee, info->compiled_method, mono_method_needs_static_rgctx_invoke (callee, FALSE), FALSE); } else { info->compiled_method = NULL; } /* * We want to avoid AOTing 1000s of runtime-invoke wrappers when running * in full-aot mode, so we use a slower, but more generic wrapper if * possible, built on top of the OP_DYN_CALL opcode provided by the JIT. */ #ifdef MONO_ARCH_DYN_CALL_SUPPORTED if (mono_aot_only || debug_options.dyn_runtime_invoke) { MonoType *ret_type; MonoMethodSignature *sig = mono_method_signature (method); gboolean supported = TRUE; int i; if (method->string_ctor) sig = mono_marshal_get_string_ctor_signature (method); for (i = 0; i < sig->param_count; ++i) { MonoType *t = sig->params [i]; if (t->type == MONO_TYPE_GENERICINST && mono_class_is_nullable (mono_class_from_mono_type (t))) supported = FALSE; } if (mono_class_is_contextbound (method->klass) || !info->compiled_method) supported = FALSE; if (supported) info->dyn_call_info = mono_arch_dyn_call_prepare (sig); ret_type = sig->ret; if (info->dyn_call_info) { switch (ret_type->type) { case MONO_TYPE_VOID: break; case MONO_TYPE_I1: case MONO_TYPE_U1: case MONO_TYPE_I2: case MONO_TYPE_U2: case MONO_TYPE_I4: case MONO_TYPE_U4: case MONO_TYPE_I: case MONO_TYPE_U: case MONO_TYPE_I8: case MONO_TYPE_U8: case MONO_TYPE_BOOLEAN: case MONO_TYPE_CHAR: case MONO_TYPE_R4: case MONO_TYPE_R8: info->ret_box_class = mono_class_from_mono_type (ret_type); break; case MONO_TYPE_PTR: info->ret_box_class = mono_defaults.int_class; break; case MONO_TYPE_STRING: case MONO_TYPE_CLASS: case MONO_TYPE_ARRAY: case MONO_TYPE_SZARRAY: case MONO_TYPE_OBJECT: break; case MONO_TYPE_GENERICINST: if (!MONO_TYPE_IS_REFERENCE (ret_type)) info->ret_box_class = mono_class_from_mono_type (ret_type); break; case MONO_TYPE_VALUETYPE: info->ret_box_class = mono_class_from_mono_type (ret_type); break; default: g_assert_not_reached (); break; } } } #endif if (!info->dyn_call_info) info->runtime_invoke = mono_jit_compile_method (invoke); info2 = mono_conc_hashtable_insert (domain_info->runtime_invoke_hash, method, info); if (info2) { g_free (info); info = info2; } } runtime_invoke = info->runtime_invoke; /* * We need this here because mono_marshal_get_runtime_invoke can place * the helper method in System.Object and not the target class. */ if (exc) { *exc = (MonoObject*)mono_runtime_class_init_full (info->vtable, FALSE); if (*exc) return NULL; } else { mono_runtime_class_init (info->vtable); } /* The wrappers expect this to be initialized to NULL */ if (exc) *exc = NULL; #ifdef MONO_ARCH_DYN_CALL_SUPPORTED if (info->dyn_call_info) { MonoMethodSignature *sig = mono_method_signature (method); gpointer *args; static RuntimeInvokeDynamicFunction dyn_runtime_invoke; int i, pindex; guint8 buf [256]; guint8 retval [256]; if (!dyn_runtime_invoke) { invoke = mono_marshal_get_runtime_invoke_dynamic (); dyn_runtime_invoke = mono_jit_compile_method (invoke); } /* Convert the arguments to the format expected by start_dyn_call () */ args = g_alloca ((sig->param_count + sig->hasthis) * sizeof (gpointer)); pindex = 0; if (sig->hasthis) args [pindex ++] = &obj; for (i = 0; i < sig->param_count; ++i) { MonoType *t = sig->params [i]; if (t->byref) { args [pindex ++] = ¶ms [i]; } else if (MONO_TYPE_IS_REFERENCE (t) || t->type == MONO_TYPE_PTR) { args [pindex ++] = ¶ms [i]; } else { args [pindex ++] = params [i]; } } //printf ("M: %s\n", mono_method_full_name (method, TRUE)); mono_arch_start_dyn_call (info->dyn_call_info, (gpointer**)args, retval, buf, sizeof (buf)); dyn_runtime_invoke (buf, exc, info->compiled_method); mono_arch_finish_dyn_call (info->dyn_call_info, buf); if (info->ret_box_class) return mono_value_box (domain, info->ret_box_class, retval); else return *(MonoObject**)retval; } #endif return runtime_invoke (obj, params, exc, info->compiled_method); } MONO_SIG_HANDLER_FUNC (, mono_sigfpe_signal_handler) { MonoException *exc = NULL; MonoJitInfo *ji; MONO_SIG_HANDLER_INFO_TYPE *info = MONO_SIG_HANDLER_GET_INFO (); MONO_SIG_HANDLER_GET_CONTEXT; ji = mono_jit_info_table_find (mono_domain_get (), mono_arch_ip_from_context (ctx)); #if defined(MONO_ARCH_HAVE_IS_INT_OVERFLOW) if (mono_arch_is_int_overflow (ctx, info)) /* * The spec says this throws ArithmeticException, but MS throws the derived * OverflowException. */ exc = mono_get_exception_overflow (); else exc = mono_get_exception_divide_by_zero (); #else exc = mono_get_exception_divide_by_zero (); #endif if (!ji) { if (!mono_do_crash_chaining && mono_chain_signal (MONO_SIG_HANDLER_PARAMS)) return; mono_handle_native_sigsegv (SIGSEGV, ctx, info); if (mono_do_crash_chaining) { mono_chain_signal (MONO_SIG_HANDLER_PARAMS); return; } } mono_arch_handle_exception (ctx, exc); } MONO_SIG_HANDLER_FUNC (, mono_sigill_signal_handler) { MonoException *exc; MONO_SIG_HANDLER_GET_CONTEXT; exc = mono_get_exception_execution_engine ("SIGILL"); mono_arch_handle_exception (ctx, exc); } #if defined(MONO_ARCH_USE_SIGACTION) || defined(HOST_WIN32) #define HAVE_SIG_INFO #endif MONO_SIG_HANDLER_FUNC (, mono_sigsegv_signal_handler) { MonoJitInfo *ji; MonoJitTlsData *jit_tls = mono_native_tls_get_value (mono_jit_tls_id); gpointer fault_addr = NULL; #ifdef HAVE_SIG_INFO MONO_SIG_HANDLER_INFO_TYPE *info = MONO_SIG_HANDLER_GET_INFO (); #else void *info = NULL; #endif MONO_SIG_HANDLER_GET_CONTEXT; #if defined(MONO_ARCH_SOFT_DEBUG_SUPPORTED) && defined(HAVE_SIG_INFO) if (mono_arch_is_single_step_event (info, ctx)) { mono_debugger_agent_single_step_event (ctx); return; } else if (mono_arch_is_breakpoint_event (info, ctx)) { mono_debugger_agent_breakpoint_hit (ctx); return; } #endif #if defined(HAVE_SIG_INFO) #if !defined(HOST_WIN32) fault_addr = info->si_addr; if (mono_aot_is_pagefault (info->si_addr)) { mono_aot_handle_pagefault (info->si_addr); return; } #endif /* The thread might no be registered with the runtime */ if (!mono_domain_get () || !jit_tls) { if (!mono_do_crash_chaining && mono_chain_signal (MONO_SIG_HANDLER_PARAMS)) return; mono_handle_native_sigsegv (SIGSEGV, ctx, info); if (mono_do_crash_chaining) { mono_chain_signal (MONO_SIG_HANDLER_PARAMS); return; } } #endif ji = mono_jit_info_table_find (mono_domain_get (), mono_arch_ip_from_context (ctx)); #ifdef MONO_ARCH_SIGSEGV_ON_ALTSTACK if (mono_handle_soft_stack_ovf (jit_tls, ji, ctx, info, (guint8*)info->si_addr)) return; #ifdef MONO_ARCH_HAVE_SIGCTX_TO_MONOCTX /* info->si_addr seems to be NULL on some kernels when handling stack overflows */ fault_addr = info->si_addr; if (fault_addr == NULL) { MonoContext mctx; mono_sigctx_to_monoctx (ctx, &mctx); fault_addr = MONO_CONTEXT_GET_SP (&mctx); } #endif if (jit_tls->stack_size && ABS ((guint8*)fault_addr - ((guint8*)jit_tls->end_of_stack - jit_tls->stack_size)) < 8192 * sizeof (gpointer)) { /* * The hard-guard page has been hit: there is not much we can do anymore * Print a hopefully clear message and abort. */ mono_handle_hard_stack_ovf (jit_tls, ji, ctx, (guint8*)info->si_addr); g_assert_not_reached (); } else { /* The original handler might not like that it is executed on an altstack... */ if (!ji && mono_chain_signal (MONO_SIG_HANDLER_PARAMS)) return; mono_arch_handle_altstack_exception (ctx, info, info->si_addr, FALSE); } #else if (!ji) { if (!mono_do_crash_chaining && mono_chain_signal (MONO_SIG_HANDLER_PARAMS)) return; mono_handle_native_sigsegv (SIGSEGV, ctx, info); if (mono_do_crash_chaining) { mono_chain_signal (MONO_SIG_HANDLER_PARAMS); return; } } mono_arch_handle_exception (ctx, NULL); #endif } MONO_SIG_HANDLER_FUNC (, mono_sigint_signal_handler) { MonoException *exc; MONO_SIG_HANDLER_GET_CONTEXT; exc = mono_get_exception_execution_engine ("Interrupted (SIGINT)."); mono_arch_handle_exception (ctx, exc); } #ifndef DISABLE_REMOTING /* mono_jit_create_remoting_trampoline: * @method: pointer to the method info * * Creates a trampoline which calls the remoting functions. This * is used in the vtable of transparent proxies. * * Returns: a pointer to the newly created code */ static gpointer mono_jit_create_remoting_trampoline (MonoDomain *domain, MonoMethod *method, MonoRemotingTarget target) { MonoMethod *nm; guint8 *addr = NULL; if ((method->flags & METHOD_ATTRIBUTE_VIRTUAL) && mono_method_signature (method)->generic_param_count) { return mono_create_specific_trampoline (method, MONO_TRAMPOLINE_GENERIC_VIRTUAL_REMOTING, domain, NULL); } if ((method->flags & METHOD_ATTRIBUTE_ABSTRACT) || (mono_method_signature (method)->hasthis && (mono_class_is_marshalbyref (method->klass) || method->klass == mono_defaults.object_class))) { nm = mono_marshal_get_remoting_invoke_for_target (method, target); addr = mono_compile_method (nm); } else { addr = mono_compile_method (method); } return mono_get_addr_from_ftnptr (addr); } #endif static gpointer *vtable_trampolines; static int vtable_trampolines_size; gpointer mini_get_vtable_trampoline (int slot_index) { int index = slot_index + MONO_IMT_SIZE; g_assert (slot_index >= - MONO_IMT_SIZE); if (!vtable_trampolines || slot_index + MONO_IMT_SIZE >= vtable_trampolines_size) { mono_jit_lock (); if (!vtable_trampolines || index >= vtable_trampolines_size) { int new_size; gpointer new_table; new_size = vtable_trampolines_size ? vtable_trampolines_size * 2 : 128; while (new_size <= index) new_size *= 2; new_table = g_new0 (gpointer, new_size); if (vtable_trampolines) memcpy (new_table, vtable_trampolines, vtable_trampolines_size * sizeof (gpointer)); g_free (vtable_trampolines); mono_memory_barrier (); vtable_trampolines = new_table; vtable_trampolines_size = new_size; } mono_jit_unlock (); } if (!vtable_trampolines [index]) vtable_trampolines [index] = mono_create_specific_trampoline (GUINT_TO_POINTER (slot_index), MONO_TRAMPOLINE_VCALL, mono_get_root_domain (), NULL); return vtable_trampolines [index]; } gpointer mono_get_delegate_virtual_invoke_impl (MonoMethodSignature *sig, MonoMethod *method) { gboolean is_virtual_generic, is_interface, load_imt_reg; int offset, idx; static guint8 **cache = NULL; static int cache_size = 0; if (!method) return NULL; /* FIXME Support more cases */ if (mono_aot_only) return NULL; if (MONO_TYPE_ISSTRUCT (sig->ret)) return NULL; is_virtual_generic = method->is_inflated && mono_method_get_declaring_generic_method (method)->is_generic; is_interface = method->klass->flags & TYPE_ATTRIBUTE_INTERFACE ? TRUE : FALSE; load_imt_reg = is_virtual_generic || is_interface; if (is_interface && !is_virtual_generic) offset = ((gint32)mono_method_get_imt_slot (method) - MONO_IMT_SIZE) * SIZEOF_VOID_P; else offset = G_STRUCT_OFFSET (MonoVTable, vtable) + ((mono_method_get_vtable_index (method)) * (SIZEOF_VOID_P)); idx = (offset / SIZEOF_VOID_P + MONO_IMT_SIZE) * 2 + (load_imt_reg ? 1 : 0); g_assert (idx >= 0); /* Resize the cache to idx + 1 */ if (cache_size < idx + 1) { mono_jit_lock (); if (cache_size < idx + 1) { guint8 **new_cache; int new_cache_size = idx + 1; new_cache = g_new0 (guint8*, new_cache_size); if (cache) memcpy (new_cache, cache, cache_size * sizeof (guint8*)); g_free (cache); mono_memory_barrier (); cache = new_cache; cache_size = new_cache_size; } mono_jit_unlock (); } if (cache [idx]) return cache [idx]; return cache [idx] = mono_arch_get_delegate_virtual_invoke_impl (sig, method, offset, load_imt_reg); } static gpointer mini_get_imt_trampoline (int slot_index) { return mini_get_vtable_trampoline (slot_index - MONO_IMT_SIZE); } static void mini_parse_debug_options (void) { const char *options = g_getenv ("MONO_DEBUG"); gchar **args, **ptr; if (!options) return; args = g_strsplit (options, ",", -1); for (ptr = args; ptr && *ptr; ptr++) { const char *arg = *ptr; if (!strcmp (arg, "handle-sigint")) debug_options.handle_sigint = TRUE; else if (!strcmp (arg, "keep-delegates")) debug_options.keep_delegates = TRUE; else if (!strcmp (arg, "reverse-pinvoke-exceptions")) debug_options.reverse_pinvoke_exceptions = TRUE; else if (!strcmp (arg, "collect-pagefault-stats")) debug_options.collect_pagefault_stats = TRUE; else if (!strcmp (arg, "break-on-unverified")) debug_options.break_on_unverified = TRUE; else if (!strcmp (arg, "no-gdb-backtrace")) debug_options.no_gdb_backtrace = TRUE; else if (!strcmp (arg, "suspend-on-sigsegv")) debug_options.suspend_on_sigsegv = TRUE; else if (!strcmp (arg, "suspend-on-exception")) debug_options.suspend_on_exception = TRUE; else if (!strcmp (arg, "suspend-on-unhandled")) debug_options.suspend_on_unhandled = TRUE; else if (!strcmp (arg, "dont-free-domains")) mono_dont_free_domains = TRUE; else if (!strcmp (arg, "dyn-runtime-invoke")) debug_options.dyn_runtime_invoke = TRUE; else if (!strcmp (arg, "gdb")) debug_options.gdb = TRUE; else if (!strcmp (arg, "explicit-null-checks")) debug_options.explicit_null_checks = TRUE; else if (!strcmp (arg, "gen-seq-points")) debug_options.gen_seq_points_debug_data = TRUE; else if (!strcmp (arg, "gen-compact-seq-points")) debug_options.gen_seq_points_compact_data = TRUE; else if (!strcmp (arg, "init-stacks")) debug_options.init_stacks = TRUE; else if (!strcmp (arg, "casts")) debug_options.better_cast_details = TRUE; else if (!strcmp (arg, "soft-breakpoints")) debug_options.soft_breakpoints = TRUE; else if (!strcmp (arg, "check-pinvoke-callconv")) debug_options.check_pinvoke_callconv = TRUE; else if (!strcmp (arg, "debug-domain-unload")) mono_enable_debug_domain_unload (TRUE); else { fprintf (stderr, "Invalid option for the MONO_DEBUG env variable: %s\n", arg); fprintf (stderr, "Available options: 'handle-sigint', 'keep-delegates', 'reverse-pinvoke-exceptions', 'collect-pagefault-stats', 'break-on-unverified', 'no-gdb-backtrace', 'dont-free-domains', 'suspend-on-sigsegv', 'suspend-on-exception', 'suspend-on-unhandled', 'dyn-runtime-invoke', 'gdb', 'explicit-null-checks', 'init-stacks', 'check-pinvoke-callconv', 'debug-domain-unload'\n"); exit (1); } } g_strfreev (args); } MonoDebugOptions * mini_get_debug_options (void) { return &debug_options; } static gpointer mini_create_ftnptr (MonoDomain *domain, gpointer addr) { #if !defined(__ia64__) && (!defined(__ppc64__) && !defined(__powerpc64__) || _CALL_ELF == 2) return addr; #else gpointer* desc = NULL; if ((desc = g_hash_table_lookup (domain->ftnptrs_hash, addr))) return desc; # ifdef __ia64__ desc = mono_domain_code_reserve (domain, 2 * sizeof (gpointer)); desc [0] = addr; desc [1] = NULL; # elif defined(__ppc64__) || defined(__powerpc64__) desc = mono_domain_alloc0 (domain, 3 * sizeof (gpointer)); desc [0] = addr; desc [1] = NULL; desc [2] = NULL; # endif g_hash_table_insert (domain->ftnptrs_hash, addr, desc); return desc; #endif } static gpointer mini_get_addr_from_ftnptr (gpointer descr) { #if defined(__ia64__) || ((defined(__ppc64__) || defined(__powerpc64__)) && _CALL_ELF != 2) return *(gpointer*)descr; #else return descr; #endif } static void register_jit_stats (void) { mono_counters_register ("Compiled methods", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.methods_compiled); mono_counters_register ("Methods from AOT", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.methods_aot); mono_counters_register ("Methods JITted using mono JIT", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.methods_without_llvm); mono_counters_register ("Methods JITted using LLVM", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.methods_with_llvm); mono_counters_register ("Total time spent JITting (sec)", MONO_COUNTER_JIT | MONO_COUNTER_DOUBLE, &mono_jit_stats.jit_time); mono_counters_register ("Basic blocks", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.basic_blocks); mono_counters_register ("Max basic blocks", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.max_basic_blocks); mono_counters_register ("Allocated vars", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.allocate_var); mono_counters_register ("Code reallocs", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.code_reallocs); mono_counters_register ("Allocated code size", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.allocated_code_size); mono_counters_register ("Allocated seq points size", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.allocated_seq_points_size); mono_counters_register ("Inlineable methods", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.inlineable_methods); mono_counters_register ("Inlined methods", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.inlined_methods); mono_counters_register ("Regvars", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.regvars); mono_counters_register ("Locals stack size", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.locals_stack_size); mono_counters_register ("Method cache lookups", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.methods_lookups); mono_counters_register ("Compiled CIL code size", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.cil_code_size); mono_counters_register ("Native code size", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.native_code_size); mono_counters_register ("Aliases found", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.alias_found); mono_counters_register ("Aliases eliminated", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.alias_removed); mono_counters_register ("Aliased loads eliminated", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.loads_eliminated); mono_counters_register ("Aliased stores eliminated", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.stores_eliminated); } static void runtime_invoke_info_free (gpointer value); static gint class_method_pair_equal (gconstpointer ka, gconstpointer kb) { const MonoClassMethodPair *apair = ka; const MonoClassMethodPair *bpair = kb; return apair->klass == bpair->klass && apair->method == bpair->method ? 1 : 0; } static guint class_method_pair_hash (gconstpointer data) { const MonoClassMethodPair *pair = data; return (gsize)pair->klass ^ (gsize)pair->method; } static void mini_create_jit_domain_info (MonoDomain *domain) { MonoJitDomainInfo *info = g_new0 (MonoJitDomainInfo, 1); info->class_init_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL); info->jump_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL); info->jit_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL); info->delegate_trampoline_hash = g_hash_table_new (class_method_pair_hash, class_method_pair_equal); info->llvm_vcall_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL); info->runtime_invoke_hash = mono_conc_hashtable_new_full (&domain->lock, mono_aligned_addr_hash, NULL, NULL, runtime_invoke_info_free); info->seq_points = g_hash_table_new_full (mono_aligned_addr_hash, NULL, NULL, seq_point_info_free); info->arch_seq_points = g_hash_table_new (mono_aligned_addr_hash, NULL); info->jump_target_hash = g_hash_table_new (NULL, NULL); domain->runtime_info = info; } static void delete_jump_list (gpointer key, gpointer value, gpointer user_data) { MonoJumpList *jlist = value; g_slist_free (jlist->list); } static void delete_got_slot_list (gpointer key, gpointer value, gpointer user_data) { GSList *list = value; g_slist_free (list); } static void dynamic_method_info_free (gpointer key, gpointer value, gpointer user_data) { MonoJitDynamicMethodInfo *di = value; mono_code_manager_destroy (di->code_mp); g_free (di); } static void runtime_invoke_info_free (gpointer value) { RuntimeInvokeInfo *info = (RuntimeInvokeInfo*)value; #ifdef MONO_ARCH_DYN_CALL_SUPPORTED if (info->dyn_call_info) mono_arch_dyn_call_free (info->dyn_call_info); #endif g_free (info); } static void mini_free_jit_domain_info (MonoDomain *domain) { MonoJitDomainInfo *info = domain_jit_info (domain); g_hash_table_foreach (info->jump_target_hash, delete_jump_list, NULL); g_hash_table_destroy (info->jump_target_hash); if (info->jump_target_got_slot_hash) { g_hash_table_foreach (info->jump_target_got_slot_hash, delete_got_slot_list, NULL); g_hash_table_destroy (info->jump_target_got_slot_hash); } if (info->dynamic_code_hash) { g_hash_table_foreach (info->dynamic_code_hash, dynamic_method_info_free, NULL); g_hash_table_destroy (info->dynamic_code_hash); } if (info->method_code_hash) g_hash_table_destroy (info->method_code_hash); g_hash_table_destroy (info->class_init_trampoline_hash); g_hash_table_destroy (info->jump_trampoline_hash); g_hash_table_destroy (info->jit_trampoline_hash); g_hash_table_destroy (info->delegate_trampoline_hash); if (info->static_rgctx_trampoline_hash) g_hash_table_destroy (info->static_rgctx_trampoline_hash); g_hash_table_destroy (info->llvm_vcall_trampoline_hash); mono_conc_hashtable_destroy (info->runtime_invoke_hash); g_hash_table_destroy (info->seq_points); g_hash_table_destroy (info->arch_seq_points); if (info->agent_info) mono_debugger_agent_free_domain_info (domain); if (info->gsharedvt_arg_tramp_hash) g_hash_table_destroy (info->gsharedvt_arg_tramp_hash); #ifdef ENABLE_LLVM mono_llvm_free_domain_info (domain); #endif g_free (domain->runtime_info); domain->runtime_info = NULL; } #ifdef ENABLE_LLVM static gboolean llvm_init_inner (void) { if (!mono_llvm_load (NULL)) return FALSE; mono_llvm_init (); return TRUE; } #endif /* * mini_llvm_init: * * Load and initialize LLVM support. * Return TRUE on success. */ gboolean mini_llvm_init (void) { #ifdef ENABLE_LLVM static gboolean llvm_inited; static gboolean init_result; mono_loader_lock_if_inited (); if (!llvm_inited) { init_result = llvm_init_inner (); llvm_inited = TRUE; } mono_loader_unlock_if_inited (); return init_result; #else return FALSE; #endif } MonoDomain * mini_init (const char *filename, const char *runtime_version) { MonoDomain *domain; MonoRuntimeCallbacks callbacks; MonoThreadInfoRuntimeCallbacks ticallbacks; MONO_VES_INIT_BEGIN (); #if defined(__linux__) && !defined(__native_client__) if (access ("/proc/self/maps", F_OK) != 0) { g_print ("Mono requires /proc to be mounted.\n"); exit (1); } #endif mono_mutex_init_recursive (&jit_mutex); mono_cross_helpers_run (); mini_jit_init (); /* Happens when using the embedding interface */ if (!default_opt_set) default_opt = mono_parse_default_optimizations (NULL); #ifdef MONO_ARCH_GSHAREDVT_SUPPORTED if (mono_aot_only) mono_set_generic_sharing_vt_supported (TRUE); #endif #ifdef MONO_HAVE_FAST_TLS MONO_FAST_TLS_INIT (mono_jit_tls); MONO_FAST_TLS_INIT (mono_lmf_addr); #ifdef MONO_ARCH_ENABLE_MONO_LMF_VAR MONO_FAST_TLS_INIT (mono_lmf); #endif #endif mono_runtime_set_has_tls_get (MONO_ARCH_HAVE_TLS_GET); if (!global_codeman) global_codeman = mono_code_manager_new (); memset (&callbacks, 0, sizeof (callbacks)); callbacks.create_ftnptr = mini_create_ftnptr; callbacks.get_addr_from_ftnptr = mini_get_addr_from_ftnptr; callbacks.get_runtime_build_info = mono_get_runtime_build_info; callbacks.set_cast_details = mono_set_cast_details; callbacks.debug_log = mono_debugger_agent_debug_log; callbacks.debug_log_is_enabled = mono_debugger_agent_debug_log_is_enabled; callbacks.tls_key_supported = mini_tls_key_supported; if (mono_use_imt) { callbacks.get_vtable_trampoline = mini_get_vtable_trampoline; callbacks.get_imt_trampoline = mini_get_imt_trampoline; } mono_install_callbacks (&callbacks); memset (&ticallbacks, 0, sizeof (ticallbacks)); ticallbacks.setup_async_callback = mono_setup_async_callback; ticallbacks.thread_state_init_from_sigctx = mono_thread_state_init_from_sigctx; ticallbacks.thread_state_init_from_handle = mono_thread_state_init_from_handle; mono_counters_init (); mono_threads_runtime_init (&ticallbacks); if (g_getenv ("MONO_DEBUG") != NULL) mini_parse_debug_options (); mono_code_manager_init (); mono_hwcap_init (); mono_arch_cpu_init (); mono_arch_init (); mono_unwind_init (); if (g_getenv ("MONO_XDEBUG")) { const char *xdebug_opts = g_getenv ("MONO_XDEBUG"); mono_xdebug_init (xdebug_opts); /* So methods for multiple domains don't have the same address */ mono_dont_free_domains = TRUE; mono_using_xdebug = TRUE; } else if (mini_get_debug_options ()->gdb) { mono_xdebug_init ((char*)"gdb"); mono_dont_free_domains = TRUE; mono_using_xdebug = TRUE; } #ifdef ENABLE_LLVM if (mono_use_llvm) { if (!mono_llvm_load (NULL)) { mono_use_llvm = FALSE; fprintf (stderr, "Mono Warning: llvm support could not be loaded.\n"); } } if (mono_use_llvm) mono_llvm_init (); #endif mono_trampolines_init (); mono_native_tls_alloc (&mono_jit_tls_id, NULL); if (default_opt & MONO_OPT_AOT) mono_aot_init (); mono_debugger_agent_init (); #ifdef MONO_ARCH_GSHARED_SUPPORTED mono_set_generic_sharing_supported (TRUE); #endif #ifndef MONO_CROSS_COMPILE mono_runtime_install_handlers (); #endif mono_threads_install_cleanup (mini_thread_cleanup); #ifdef MONO_ARCH_HAVE_NOTIFY_PENDING_EXC check_for_pending_exc = FALSE; mono_threads_install_notify_pending_exc ((MonoThreadNotifyPendingExcFunc)mono_arch_notify_pending_exc); #endif #define JIT_TRAMPOLINES_WORK #ifdef JIT_TRAMPOLINES_WORK mono_install_compile_method (mono_jit_compile_method); mono_install_free_method (mono_jit_free_method); mono_install_trampoline (mono_create_jit_trampoline); mono_install_jump_trampoline (mono_create_jump_trampoline); #ifndef DISABLE_REMOTING mono_install_remoting_trampoline (mono_jit_create_remoting_trampoline); #endif mono_install_delegate_trampoline (mono_create_delegate_trampoline); mono_install_create_domain_hook (mini_create_jit_domain_info); mono_install_free_domain_hook (mini_free_jit_domain_info); #endif #define JIT_INVOKE_WORKS #ifdef JIT_INVOKE_WORKS mono_install_runtime_invoke (mono_jit_runtime_invoke); #endif mono_install_get_cached_class_info (mono_aot_get_cached_class_info); mono_install_get_class_from_name (mono_aot_get_class_from_name); mono_install_jit_info_find_in_aot (mono_aot_find_jit_info); if (debug_options.collect_pagefault_stats) mono_aot_set_make_unreadable (TRUE); if (runtime_version) domain = mono_init_version (filename, runtime_version); else domain = mono_init_from_assembly (filename, filename); if (mono_aot_only) { /* This helps catch code allocation requests */ mono_code_manager_set_read_only (domain->code_mp); mono_marshal_use_aot_wrappers (TRUE); } if (mono_use_imt) { if (mono_aot_only) mono_install_imt_thunk_builder (mono_aot_get_imt_thunk); else mono_install_imt_thunk_builder (mono_arch_build_imt_thunk); } /*Init arch tls information only after the metadata side is inited to make sure we see dynamic appdomain tls keys*/ mono_arch_finish_init (); mono_icall_init (); /* This must come after mono_init () in the aot-only case */ mono_exceptions_init (); /* This should come after mono_init () too */ mini_gc_init (); #ifndef DISABLE_JIT mono_create_helper_signatures (); #endif register_jit_stats (); #define JIT_CALLS_WORK #ifdef JIT_CALLS_WORK /* Needs to be called here since register_jit_icall depends on it */ mono_marshal_init (); mono_arch_register_lowlevel_calls (); register_icalls (); mono_generic_sharing_init (); #endif #ifdef MONO_ARCH_SIMD_INTRINSICS mono_simd_intrinsics_init (); #endif #if MONO_SUPPORT_TASKLETS mono_tasklets_init (); #endif if (mono_compile_aot) /* * Avoid running managed code when AOT compiling, since the platform * might only support aot-only execution. */ mono_runtime_set_no_exec (TRUE); #define JIT_RUNTIME_WORKS #ifdef JIT_RUNTIME_WORKS mono_install_runtime_cleanup ((MonoDomainFunc)mini_cleanup); mono_runtime_init (domain, mono_thread_start_cb, mono_thread_attach_cb); mono_thread_attach (domain); #endif mono_profiler_runtime_initialized (); MONO_VES_INIT_END (); return domain; } static void register_icalls (void) { mono_add_internal_call ("System.Diagnostics.StackFrame::get_frame_info", ves_icall_get_frame_info); mono_add_internal_call ("System.Diagnostics.StackTrace::get_trace", ves_icall_get_trace); mono_add_internal_call ("System.Exception::get_trace", ves_icall_System_Exception_get_trace); mono_add_internal_call ("System.Security.SecurityFrame::_GetSecurityFrame", ves_icall_System_Security_SecurityFrame_GetSecurityFrame); mono_add_internal_call ("System.Security.SecurityFrame::_GetSecurityStack", ves_icall_System_Security_SecurityFrame_GetSecurityStack); mono_add_internal_call ("Mono.Runtime::mono_runtime_install_handlers", mono_runtime_install_handlers); #if defined(PLATFORM_ANDROID) || defined(TARGET_ANDROID) mono_add_internal_call ("System.Diagnostics.Debugger::Mono_UnhandledException_internal", mono_debugger_agent_unhandled_exception); #endif /* * It's important that we pass `TRUE` as the last argument here, as * it causes the JIT to omit a wrapper for these icalls. If the JIT * *did* emit a wrapper, we'd be looking at infinite recursion since * the wrapper would call the icall which would call the wrapper and * so on. */ register_icall (mono_profiler_method_enter, "mono_profiler_method_enter", "void ptr", TRUE); register_icall (mono_profiler_method_leave, "mono_profiler_method_leave", "void ptr", TRUE); register_icall (mono_trace_enter_method, "mono_trace_enter_method", NULL, TRUE); register_icall (mono_trace_leave_method, "mono_trace_leave_method", NULL, TRUE); register_icall (mono_get_lmf_addr, "mono_get_lmf_addr", "ptr", TRUE); register_icall (mono_jit_thread_attach, "mono_jit_thread_attach", "ptr ptr", TRUE); register_icall (mono_jit_set_domain, "mono_jit_set_domain", "void ptr", TRUE); register_icall (mono_domain_get, "mono_domain_get", "ptr", TRUE); register_dyn_icall (mono_get_throw_exception (), "mono_arch_throw_exception", "void object", TRUE); register_dyn_icall (mono_get_rethrow_exception (), "mono_arch_rethrow_exception", "void object", TRUE); register_dyn_icall (mono_get_throw_corlib_exception (), "mono_arch_throw_corlib_exception", "void ptr", TRUE); register_icall (mono_thread_get_undeniable_exception, "mono_thread_get_undeniable_exception", "object", FALSE); register_icall (mono_thread_interruption_checkpoint, "mono_thread_interruption_checkpoint", "object", FALSE); register_icall (mono_thread_force_interruption_checkpoint_noraise, "mono_thread_force_interruption_checkpoint_noraise", "object", FALSE); register_icall (mono_thread_force_interruption_checkpoint, "mono_thread_force_interruption_checkpoint", "void", FALSE); #ifndef DISABLE_REMOTING register_icall (mono_load_remote_field_new, "mono_load_remote_field_new", "object object ptr ptr", FALSE); register_icall (mono_store_remote_field_new, "mono_store_remote_field_new", "void object ptr ptr object", FALSE); #endif #if defined(__native_client__) || defined(__native_client_codegen__) register_icall (mono_nacl_gc, "mono_nacl_gc", "void", TRUE); #endif #ifndef MONO_ARCH_NO_EMULATE_LONG_MUL_OPTS register_opcode_emulation (OP_LMUL, "__emul_lmul", "long long long", mono_llmult, "mono_llmult", TRUE); register_opcode_emulation (OP_LDIV, "__emul_ldiv", "long long long", mono_lldiv, "mono_lldiv", FALSE); register_opcode_emulation (OP_LDIV_UN, "__emul_ldiv_un", "long long long", mono_lldiv_un, "mono_lldiv_un", FALSE); register_opcode_emulation (OP_LREM, "__emul_lrem", "long long long", mono_llrem, "mono_llrem", FALSE); register_opcode_emulation (OP_LREM_UN, "__emul_lrem_un", "long long long", mono_llrem_un, "mono_llrem_un", FALSE); #endif #if !defined(MONO_ARCH_NO_EMULATE_LONG_MUL_OPTS) || defined(MONO_ARCH_EMULATE_LONG_MUL_OVF_OPTS) register_opcode_emulation (OP_LMUL_OVF_UN, "__emul_lmul_ovf_un", "long long long", mono_llmult_ovf_un, "mono_llmult_ovf_un", FALSE); register_opcode_emulation (OP_LMUL_OVF, "__emul_lmul_ovf", "long long long", mono_llmult_ovf, "mono_llmult_ovf", FALSE); #endif #ifndef MONO_ARCH_NO_EMULATE_LONG_SHIFT_OPS register_opcode_emulation (OP_LSHL, "__emul_lshl", "long long int32", mono_lshl, "mono_lshl", TRUE); register_opcode_emulation (OP_LSHR, "__emul_lshr", "long long int32", mono_lshr, "mono_lshr", TRUE); register_opcode_emulation (OP_LSHR_UN, "__emul_lshr_un", "long long int32", mono_lshr_un, "mono_lshr_un", TRUE); #endif #if defined(MONO_ARCH_EMULATE_MUL_DIV) || defined(MONO_ARCH_EMULATE_DIV) register_opcode_emulation (OP_IDIV, "__emul_op_idiv", "int32 int32 int32", mono_idiv, "mono_idiv", FALSE); register_opcode_emulation (OP_IDIV_UN, "__emul_op_idiv_un", "int32 int32 int32", mono_idiv_un, "mono_idiv_un", FALSE); register_opcode_emulation (OP_IREM, "__emul_op_irem", "int32 int32 int32", mono_irem, "mono_irem", FALSE); register_opcode_emulation (OP_IREM_UN, "__emul_op_irem_un", "int32 int32 int32", mono_irem_un, "mono_irem_un", FALSE); #endif #ifdef MONO_ARCH_EMULATE_MUL_DIV register_opcode_emulation (OP_IMUL, "__emul_op_imul", "int32 int32 int32", mono_imul, "mono_imul", TRUE); #endif #if defined(MONO_ARCH_EMULATE_MUL_DIV) || defined(MONO_ARCH_EMULATE_MUL_OVF) register_opcode_emulation (OP_IMUL_OVF, "__emul_op_imul_ovf", "int32 int32 int32", mono_imul_ovf, "mono_imul_ovf", FALSE); register_opcode_emulation (OP_IMUL_OVF_UN, "__emul_op_imul_ovf_un", "int32 int32 int32", mono_imul_ovf_un, "mono_imul_ovf_un", FALSE); #endif #if defined(MONO_ARCH_EMULATE_MUL_DIV) || defined(MONO_ARCH_SOFT_FLOAT_FALLBACK) if (ARCH_EMULATE_MUL_DIV || mono_arch_is_soft_float ()) { register_opcode_emulation (OP_FDIV, "__emul_fdiv", "double double double", mono_fdiv, "mono_fdiv", FALSE); } #endif register_opcode_emulation (OP_FCONV_TO_U8, "__emul_fconv_to_u8", "ulong double", mono_fconv_u8, "mono_fconv_u8", FALSE); register_opcode_emulation (OP_FCONV_TO_U4, "__emul_fconv_to_u4", "uint32 double", mono_fconv_u4, "mono_fconv_u4", FALSE); register_opcode_emulation (OP_FCONV_TO_OVF_I8, "__emul_fconv_to_ovf_i8", "long double", mono_fconv_ovf_i8, "mono_fconv_ovf_i8", FALSE); register_opcode_emulation (OP_FCONV_TO_OVF_U8, "__emul_fconv_to_ovf_u8", "ulong double", mono_fconv_ovf_u8, "mono_fconv_ovf_u8", FALSE); register_opcode_emulation (OP_RCONV_TO_OVF_I8, "__emul_rconv_to_ovf_i8", "long float", mono_rconv_ovf_i8, "mono_rconv_ovf_i8", FALSE); register_opcode_emulation (OP_RCONV_TO_OVF_U8, "__emul_rconv_to_ovf_u8", "ulong float", mono_rconv_ovf_u8, "mono_rconv_ovf_u8", FALSE); #ifdef MONO_ARCH_EMULATE_FCONV_TO_I8 register_opcode_emulation (OP_FCONV_TO_I8, "__emul_fconv_to_i8", "long double", mono_fconv_i8, "mono_fconv_i8", FALSE); register_opcode_emulation (OP_RCONV_TO_I8, "__emul_rconv_to_i8", "long float", mono_rconv_i8, "mono_rconv_i8", FALSE); #endif #ifdef MONO_ARCH_EMULATE_CONV_R8_UN 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); #endif #ifdef MONO_ARCH_EMULATE_LCONV_TO_R8 register_opcode_emulation (OP_LCONV_TO_R8, "__emul_lconv_to_r8", "double long", mono_lconv_to_r8, "mono_lconv_to_r8", FALSE); #endif #ifdef MONO_ARCH_EMULATE_LCONV_TO_R4 register_opcode_emulation (OP_LCONV_TO_R4, "__emul_lconv_to_r4", "float long", mono_lconv_to_r4, "mono_lconv_to_r4", FALSE); #endif #ifdef MONO_ARCH_EMULATE_LCONV_TO_R8_UN 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); #endif #ifdef MONO_ARCH_EMULATE_FREM #if defined(__default_codegen__) register_opcode_emulation (OP_FREM, "__emul_frem", "double double double", fmod, "fmod", FALSE); #elif defined(__native_client_codegen__) register_opcode_emulation (OP_FREM, "__emul_frem", "double double double", mono_fmod, "mono_fmod", FALSE); #endif #endif #ifdef MONO_ARCH_SOFT_FLOAT_FALLBACK if (mono_arch_is_soft_float ()) { register_opcode_emulation (OP_FSUB, "__emul_fsub", "double double double", mono_fsub, "mono_fsub", FALSE); register_opcode_emulation (OP_FADD, "__emul_fadd", "double double double", mono_fadd, "mono_fadd", FALSE); register_opcode_emulation (OP_FMUL, "__emul_fmul", "double double double", mono_fmul, "mono_fmul", FALSE); register_opcode_emulation (OP_FNEG, "__emul_fneg", "double double", mono_fneg, "mono_fneg", FALSE); register_opcode_emulation (OP_ICONV_TO_R8, "__emul_iconv_to_r8", "double int32", mono_conv_to_r8, "mono_conv_to_r8", FALSE); register_opcode_emulation (OP_ICONV_TO_R4, "__emul_iconv_to_r4", "double int32", mono_conv_to_r4, "mono_conv_to_r4", FALSE); register_opcode_emulation (OP_FCONV_TO_R4, "__emul_fconv_to_r4", "double double", mono_fconv_r4, "mono_fconv_r4", FALSE); register_opcode_emulation (OP_FCONV_TO_I1, "__emul_fconv_to_i1", "int8 double", mono_fconv_i1, "mono_fconv_i1", FALSE); register_opcode_emulation (OP_FCONV_TO_I2, "__emul_fconv_to_i2", "int16 double", mono_fconv_i2, "mono_fconv_i2", FALSE); register_opcode_emulation (OP_FCONV_TO_I4, "__emul_fconv_to_i4", "int32 double", mono_fconv_i4, "mono_fconv_i4", FALSE); register_opcode_emulation (OP_FCONV_TO_U1, "__emul_fconv_to_u1", "uint8 double", mono_fconv_u1, "mono_fconv_u1", FALSE); register_opcode_emulation (OP_FCONV_TO_U2, "__emul_fconv_to_u2", "uint16 double", mono_fconv_u2, "mono_fconv_u2", FALSE); #if SIZEOF_VOID_P == 4 register_opcode_emulation (OP_FCONV_TO_I, "__emul_fconv_to_i", "int32 double", mono_fconv_i4, "mono_fconv_i4", FALSE); #endif register_opcode_emulation (OP_FBEQ, "__emul_fcmp_eq", "uint32 double double", mono_fcmp_eq, "mono_fcmp_eq", FALSE); register_opcode_emulation (OP_FBLT, "__emul_fcmp_lt", "uint32 double double", mono_fcmp_lt, "mono_fcmp_lt", FALSE); register_opcode_emulation (OP_FBGT, "__emul_fcmp_gt", "uint32 double double", mono_fcmp_gt, "mono_fcmp_gt", FALSE); register_opcode_emulation (OP_FBLE, "__emul_fcmp_le", "uint32 double double", mono_fcmp_le, "mono_fcmp_le", FALSE); register_opcode_emulation (OP_FBGE, "__emul_fcmp_ge", "uint32 double double", mono_fcmp_ge, "mono_fcmp_ge", FALSE); register_opcode_emulation (OP_FBNE_UN, "__emul_fcmp_ne_un", "uint32 double double", mono_fcmp_ne_un, "mono_fcmp_ne_un", FALSE); register_opcode_emulation (OP_FBLT_UN, "__emul_fcmp_lt_un", "uint32 double double", mono_fcmp_lt_un, "mono_fcmp_lt_un", FALSE); register_opcode_emulation (OP_FBGT_UN, "__emul_fcmp_gt_un", "uint32 double double", mono_fcmp_gt_un, "mono_fcmp_gt_un", FALSE); register_opcode_emulation (OP_FBLE_UN, "__emul_fcmp_le_un", "uint32 double double", mono_fcmp_le_un, "mono_fcmp_le_un", FALSE); register_opcode_emulation (OP_FBGE_UN, "__emul_fcmp_ge_un", "uint32 double double", mono_fcmp_ge_un, "mono_fcmp_ge_un", FALSE); register_opcode_emulation (OP_FCEQ, "__emul_fcmp_ceq", "uint32 double double", mono_fceq, "mono_fceq", FALSE); register_opcode_emulation (OP_FCGT, "__emul_fcmp_cgt", "uint32 double double", mono_fcgt, "mono_fcgt", FALSE); register_opcode_emulation (OP_FCGT_UN, "__emul_fcmp_cgt_un", "uint32 double double", mono_fcgt_un, "mono_fcgt_un", FALSE); register_opcode_emulation (OP_FCLT, "__emul_fcmp_clt", "uint32 double double", mono_fclt, "mono_fclt", FALSE); register_opcode_emulation (OP_FCLT_UN, "__emul_fcmp_clt_un", "uint32 double double", mono_fclt_un, "mono_fclt_un", FALSE); register_icall (mono_fload_r4, "mono_fload_r4", "double ptr", FALSE); register_icall (mono_fstore_r4, "mono_fstore_r4", "void double ptr", FALSE); register_icall (mono_fload_r4_arg, "mono_fload_r4_arg", "uint32 double", FALSE); register_icall (mono_isfinite, "mono_isfinite", "uint32 double", FALSE); } #endif #ifdef COMPRESSED_INTERFACE_BITMAP register_icall (mono_class_interface_match, "mono_class_interface_match", "uint32 ptr int32", TRUE); #endif #if SIZEOF_REGISTER == 4 register_opcode_emulation (OP_FCONV_TO_U, "__emul_fconv_to_u", "uint32 double", mono_fconv_u4, "mono_fconv_u4", TRUE); #else register_opcode_emulation (OP_FCONV_TO_U, "__emul_fconv_to_u", "ulong double", mono_fconv_u8, "mono_fconv_u8", TRUE); #endif /* other jit icalls */ register_icall (mono_delegate_ctor, "mono_delegate_ctor", "void object object ptr", FALSE); register_icall (mono_class_static_field_address , "mono_class_static_field_address", "ptr ptr ptr", FALSE); register_icall (mono_ldtoken_wrapper, "mono_ldtoken_wrapper", "ptr ptr ptr ptr", FALSE); register_icall (mono_ldtoken_wrapper_generic_shared, "mono_ldtoken_wrapper_generic_shared", "ptr ptr ptr ptr", FALSE); register_icall (mono_get_special_static_data, "mono_get_special_static_data", "ptr int", FALSE); register_icall (mono_ldstr, "mono_ldstr", "object ptr ptr int32", FALSE); register_icall (mono_helper_stelem_ref_check, "mono_helper_stelem_ref_check", "void object object", FALSE); register_icall (mono_object_new, "mono_object_new", "object ptr ptr", FALSE); register_icall (mono_object_new_specific, "mono_object_new_specific", "object ptr", FALSE); register_icall (mono_array_new, "mono_array_new", "object ptr ptr int32", FALSE); register_icall (mono_array_new_specific, "mono_array_new_specific", "object ptr int32", FALSE); register_icall (mono_runtime_class_init, "mono_runtime_class_init", "void ptr", FALSE); register_icall (mono_ldftn, "mono_ldftn", "ptr ptr", FALSE); register_icall (mono_ldvirtfn, "mono_ldvirtfn", "ptr object ptr", FALSE); register_icall (mono_ldvirtfn_gshared, "mono_ldvirtfn_gshared", "ptr object ptr", FALSE); register_icall (mono_helper_compile_generic_method, "mono_helper_compile_generic_method", "ptr object ptr ptr", FALSE); register_icall (mono_helper_ldstr, "mono_helper_ldstr", "object ptr int", FALSE); register_icall (mono_helper_ldstr_mscorlib, "mono_helper_ldstr_mscorlib", "object int", FALSE); register_icall (mono_helper_newobj_mscorlib, "mono_helper_newobj_mscorlib", "object int", FALSE); register_icall (mono_value_copy, "mono_value_copy", "void ptr ptr ptr", FALSE); register_icall (mono_object_castclass_unbox, "mono_object_castclass_unbox", "object object ptr", FALSE); register_icall (mono_break, "mono_break", NULL, TRUE); register_icall (mono_create_corlib_exception_0, "mono_create_corlib_exception_0", "object int", TRUE); register_icall (mono_create_corlib_exception_1, "mono_create_corlib_exception_1", "object int object", TRUE); register_icall (mono_create_corlib_exception_2, "mono_create_corlib_exception_2", "object int object object", TRUE); register_icall (mono_array_new_1, "mono_array_new_1", "object ptr int", FALSE); register_icall (mono_array_new_2, "mono_array_new_2", "object ptr int int", FALSE); register_icall (mono_array_new_3, "mono_array_new_3", "object ptr int int int", FALSE); register_icall (mono_array_new_4, "mono_array_new_4", "object ptr int int int int", FALSE); register_icall (mono_get_native_calli_wrapper, "mono_get_native_calli_wrapper", "ptr ptr ptr ptr", FALSE); register_icall (mono_resume_unwind, "mono_resume_unwind", "void", TRUE); register_icall (mono_gsharedvt_constrained_call, "mono_gsharedvt_constrained_call", "object ptr ptr ptr ptr ptr", FALSE); register_icall (mono_gsharedvt_value_copy, "mono_gsharedvt_value_copy", "void ptr ptr ptr", TRUE); register_icall (mono_gc_wbarrier_value_copy_bitmap, "mono_gc_wbarrier_value_copy_bitmap", "void ptr ptr int int", FALSE); register_icall (mono_object_castclass_with_cache, "mono_object_castclass_with_cache", "object object ptr ptr", FALSE); register_icall (mono_object_isinst_with_cache, "mono_object_isinst_with_cache", "object object ptr ptr", FALSE); register_icall (mono_debugger_agent_user_break, "mono_debugger_agent_user_break", "void", FALSE); #ifdef TARGET_IOS register_icall (pthread_getspecific, "pthread_getspecific", "ptr ptr", TRUE); #endif } MonoJitStats mono_jit_stats = {0}; static void print_jit_stats (void) { if (mono_jit_stats.enabled) { g_print ("Mono Jit statistics\n"); g_print ("Max code size ratio: %.2f (%s)\n", mono_jit_stats.max_code_size_ratio/100.0, mono_jit_stats.max_ratio_method); g_print ("Biggest method: %ld (%s)\n", mono_jit_stats.biggest_method_size, mono_jit_stats.biggest_method); g_print ("Delegates created: %ld\n", mono_stats.delegate_creations); g_print ("Initialized classes: %ld\n", mono_stats.initialized_class_count); g_print ("Used classes: %ld\n", mono_stats.used_class_count); g_print ("Generic vtables: %ld\n", mono_stats.generic_vtable_count); g_print ("Methods: %ld\n", mono_stats.method_count); g_print ("Static data size: %ld\n", mono_stats.class_static_data_size); g_print ("VTable data size: %ld\n", mono_stats.class_vtable_size); g_print ("Mscorlib mempool size: %d\n", mono_mempool_get_allocated (mono_defaults.corlib->mempool)); g_print ("\nInitialized classes: %ld\n", mono_stats.generic_class_count); g_print ("Inflated types: %ld\n", mono_stats.inflated_type_count); g_print ("Generics virtual invokes: %ld\n", mono_jit_stats.generic_virtual_invocations); g_print ("Sharable generic methods: %ld\n", mono_stats.generics_sharable_methods); g_print ("Unsharable generic methods: %ld\n", mono_stats.generics_unsharable_methods); g_print ("Shared generic methods: %ld\n", mono_stats.generics_shared_methods); g_print ("Shared vtype generic methods: %ld\n", mono_stats.gsharedvt_methods); g_print ("IMT tables size: %ld\n", mono_stats.imt_tables_size); g_print ("IMT number of tables: %ld\n", mono_stats.imt_number_of_tables); g_print ("IMT number of methods: %ld\n", mono_stats.imt_number_of_methods); g_print ("IMT used slots: %ld\n", mono_stats.imt_used_slots); g_print ("IMT colliding slots: %ld\n", mono_stats.imt_slots_with_collisions); g_print ("IMT max collisions: %ld\n", mono_stats.imt_max_collisions_in_slot); g_print ("IMT methods at max col: %ld\n", mono_stats.imt_method_count_when_max_collisions); g_print ("IMT thunks size: %ld\n", mono_stats.imt_thunks_size); g_print ("JIT info table inserts: %ld\n", mono_stats.jit_info_table_insert_count); g_print ("JIT info table removes: %ld\n", mono_stats.jit_info_table_remove_count); g_print ("JIT info table lookups: %ld\n", mono_stats.jit_info_table_lookup_count); if (mono_security_cas_enabled ()) { g_print ("\nDecl security check : %ld\n", mono_jit_stats.cas_declsec_check); g_print ("LinkDemand (user) : %ld\n", mono_jit_stats.cas_linkdemand); g_print ("LinkDemand (icall) : %ld\n", mono_jit_stats.cas_linkdemand_icall); g_print ("LinkDemand (pinvoke) : %ld\n", mono_jit_stats.cas_linkdemand_pinvoke); g_print ("LinkDemand (aptc) : %ld\n", mono_jit_stats.cas_linkdemand_aptc); g_print ("Demand (code gen) : %ld\n", mono_jit_stats.cas_demand_generation); } g_free (mono_jit_stats.max_ratio_method); mono_jit_stats.max_ratio_method = NULL; g_free (mono_jit_stats.biggest_method); mono_jit_stats.biggest_method = NULL; } } void mini_cleanup (MonoDomain *domain) { mono_runtime_shutdown_stat_profiler (); #ifndef DISABLE_COM cominterop_release_all_rcws (); #endif #ifndef MONO_CROSS_COMPILE /* * mono_domain_finalize () needs to be called early since it needs the * execution engine still fully working (it may invoke managed finalizers). */ mono_domain_finalize (domain, 2000); #endif /* This accesses metadata so needs to be called before runtime shutdown */ print_jit_stats (); mono_profiler_shutdown (); #ifndef MONO_CROSS_COMPILE mono_runtime_cleanup (domain); #endif free_jit_tls_data (mono_native_tls_get_value (mono_jit_tls_id)); mono_icall_cleanup (); mono_runtime_cleanup_handlers (); #ifndef MONO_CROSS_COMPILE mono_domain_free (domain, TRUE); #endif #ifdef ENABLE_LLVM if (mono_use_llvm) mono_llvm_cleanup (); #endif mono_aot_cleanup (); mono_trampolines_cleanup (); mono_unwind_cleanup (); mono_code_manager_destroy (global_codeman); g_free (vtable_trampolines); mini_jit_cleanup (); mono_tramp_info_cleanup (); mono_arch_cleanup (); mono_generic_sharing_cleanup (); mono_cleanup (); mono_trace_cleanup (); mono_counters_dump (MONO_COUNTER_SECTION_MASK | MONO_COUNTER_MONOTONIC, stdout); if (mono_inject_async_exc_method) mono_method_desc_free (mono_inject_async_exc_method); mono_native_tls_free (mono_jit_tls_id); mono_mutex_destroy (&jit_mutex); mono_mutex_destroy (&mono_delegate_section); mono_code_manager_cleanup (); #ifdef USE_JUMP_TABLES mono_jumptable_cleanup (); #endif } void mono_set_defaults (int verbose_level, guint32 opts) { mini_verbose = verbose_level; mono_set_optimizations (opts); } void mono_disable_optimizations (guint32 opts) { default_opt &= ~opts; } void mono_set_optimizations (guint32 opts) { default_opt = opts; default_opt_set = TRUE; #ifdef MONO_ARCH_GSHAREDVT_SUPPORTED mono_set_generic_sharing_vt_supported (mono_aot_only || ((default_opt & MONO_OPT_GSHAREDVT) != 0)); #endif } void mono_set_verbose_level (guint32 level) { mini_verbose = level; } /** * mono_get_runtime_build_info: * * Return the runtime version + build date in string format. * The returned string is owned by the caller. The returned string * format is "VERSION (FULL_VERSION BUILD_DATE)" and build date is optional. */ char* mono_get_runtime_build_info (void) { if (mono_build_date) return g_strdup_printf ("%s (%s %s)", VERSION, FULL_VERSION, mono_build_date); else return g_strdup_printf ("%s (%s)", VERSION, FULL_VERSION); } static void mono_precompile_assembly (MonoAssembly *ass, void *user_data) { GHashTable *assemblies = (GHashTable*)user_data; MonoImage *image = mono_assembly_get_image (ass); MonoMethod *method, *invoke; int i, count = 0; if (g_hash_table_lookup (assemblies, ass)) return; g_hash_table_insert (assemblies, ass, ass); if (mini_verbose > 0) printf ("PRECOMPILE: %s.\n", mono_image_get_filename (image)); for (i = 0; i < mono_image_get_table_rows (image, MONO_TABLE_METHOD); ++i) { method = mono_get_method (image, MONO_TOKEN_METHOD_DEF | (i + 1), NULL); if (method->flags & METHOD_ATTRIBUTE_ABSTRACT) continue; if (method->is_generic || method->klass->generic_container) continue; count++; if (mini_verbose > 1) { char * desc = mono_method_full_name (method, TRUE); g_print ("Compiling %d %s\n", count, desc); g_free (desc); } mono_compile_method (method); if (strcmp (method->name, "Finalize") == 0) { invoke = mono_marshal_get_runtime_invoke (method, FALSE); mono_compile_method (invoke); } #ifndef DISABLE_REMOTING if (mono_class_is_marshalbyref (method->klass) && mono_method_signature (method)->hasthis) { invoke = mono_marshal_get_remoting_invoke_with_check (method); mono_compile_method (invoke); } #endif } /* Load and precompile referenced assemblies as well */ for (i = 0; i < mono_image_get_table_rows (image, MONO_TABLE_ASSEMBLYREF); ++i) { mono_assembly_load_reference (image, i); if (image->references [i]) mono_precompile_assembly (image->references [i], assemblies); } } void mono_precompile_assemblies () { GHashTable *assemblies = g_hash_table_new (NULL, NULL); mono_assembly_foreach ((GFunc)mono_precompile_assembly, assemblies); g_hash_table_destroy (assemblies); } #ifdef USE_JUMP_TABLES #define DEFAULT_JUMPTABLE_CHUNK_ELEMENTS 128 typedef struct MonoJumpTableChunk { guint32 total; guint32 active; struct MonoJumpTableChunk *previous; /* gpointer entries[total]; */ } MonoJumpTableChunk; static MonoJumpTableChunk* g_jumptable; #define mono_jumptable_lock() mono_mutex_lock (&jumptable_mutex) #define mono_jumptable_unlock() mono_mutex_unlock (&jumptable_mutex) static mono_mutex_t jumptable_mutex; static MonoJumpTableChunk* mono_create_jumptable_chunk (guint32 max_entries) { guint32 size = sizeof (MonoJumpTableChunk) + max_entries * sizeof(gpointer); MonoJumpTableChunk *chunk = (MonoJumpTableChunk*) g_new0 (guchar, size); chunk->total = max_entries; return chunk; } void mono_jumptable_init (void) { if (g_jumptable == NULL) { mono_mutex_init_recursive (&jumptable_mutex); g_jumptable = mono_create_jumptable_chunk (DEFAULT_JUMPTABLE_CHUNK_ELEMENTS); } } gpointer* mono_jumptable_add_entry (void) { return mono_jumptable_add_entries (1); } gpointer* mono_jumptable_add_entries (guint32 entries) { guint32 index; gpointer *result; mono_jumptable_init (); mono_jumptable_lock (); index = g_jumptable->active; if (index + entries >= g_jumptable->total) { /* * Grow jumptable, by adding one more chunk. * We cannot realloc jumptable, as there could be pointers * to existing jump table entries in the code, so instead * we just add one more chunk. */ guint32 max_entries = entries; MonoJumpTableChunk *new_chunk; if (max_entries < DEFAULT_JUMPTABLE_CHUNK_ELEMENTS) max_entries = DEFAULT_JUMPTABLE_CHUNK_ELEMENTS; new_chunk = mono_create_jumptable_chunk (max_entries); /* Link old jumptable, so that we could free it up later. */ new_chunk->previous = g_jumptable; g_jumptable = new_chunk; index = 0; } g_jumptable->active = index + entries; result = (gpointer*)((guchar*)g_jumptable + sizeof(MonoJumpTableChunk)) + index; mono_jumptable_unlock(); return result; } void mono_jumptable_cleanup (void) { if (g_jumptable) { MonoJumpTableChunk *current = g_jumptable, *prev; while (current != NULL) { prev = current->previous; g_free (current); current = prev; } g_jumptable = NULL; mono_mutex_destroy (&jumptable_mutex); } } gpointer* mono_jumptable_get_entry (guint8 *code_ptr) { return mono_arch_jumptable_entry_from_code (code_ptr); } #endif