/* * mini.c: The new Mono code generator. * * Authors: * Paolo Molaro (lupus@ximian.com) * Dietmar Maurer (dietmar@ximian.com) * * Copyright 2002-2003 Ximian, Inc. * Copyright 2003-2010 Novell, Inc. * Copyright 2011 Xamarin, Inc (http://www.xamarin.com) */ #define MONO_LLVM_IN_MINI 1 #include #include #ifdef HAVE_ALLOCA_H #include #endif #ifdef HAVE_UNISTD_H #include #endif #include #ifdef HAVE_SYS_TIME_H #include #endif #include #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 "mini-llvm.h" #include "tasklets.h" #include #include #include "trace.h" #include "version.h" #include "ir-emit.h" #include "jit-icalls.h" #include "mini-gc.h" #include "debugger-agent.h" static gpointer mono_jit_compile_method_with_opt (MonoMethod *method, guint32 opt, MonoException **ex); 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 MonoTraceSpec *mono_jit_trace_calls = NULL; 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 = ARCH_HAVE_IMT; MonoMethodDesc *mono_inject_async_exc_method = NULL; int mono_inject_async_exc_pos; MonoMethodDesc *mono_break_at_bb_method = NULL; int mono_break_at_bb_bb_num; gboolean mono_do_x86_stack_align = TRUE; const char *mono_build_date; gboolean mono_do_signal_chaining; static gboolean mono_using_xdebug; static 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() EnterCriticalSection (&jit_mutex) #define mono_jit_unlock() LeaveCriticalSection (&jit_mutex) static CRITICAL_SECTION jit_mutex; static MonoCodeManager *global_codeman = NULL; static GHashTable *jit_icall_name_hash = NULL; static MonoDebugOptions debug_options; #ifdef VALGRIND_JIT_REGISTER_MAP static int valgrind_register = 0; #endif /* * Table written to by the debugger with a 1-based index into the * mono_breakpoint_info table, which contains changes made to * the JIT instructions by the debugger. */ gssize mono_breakpoint_info_index [MONO_BREAKPOINT_ARRAY_SIZE]; /* Whenever to check for pending exceptions in managed-to-native wrappers */ gboolean check_for_pending_exc = TRUE; /* Whenever to disable passing/returning small valuetypes in registers for managed methods */ gboolean disable_vtypes_in_regs = FALSE; gboolean mono_dont_free_global_codeman; static GSList *tramp_infos; gpointer mono_realloc_native_code (MonoCompile *cfg) { #if defined(__default_codegen__) return g_realloc (cfg->native_code, cfg->code_size); #elif defined(__native_client_codegen__) guint old_padding; gpointer native_code; guint alignment_check; /* Save the old alignment offset so we can re-align after the realloc. */ old_padding = (guint)(cfg->native_code - cfg->native_code_alloc); cfg->code_size = NACL_BUNDLE_ALIGN_UP (cfg->code_size); cfg->native_code_alloc = g_realloc ( cfg->native_code_alloc, cfg->code_size + kNaClAlignment ); /* Align native_code to next nearest kNaClAlignment byte. */ native_code = (guint)cfg->native_code_alloc + kNaClAlignment; native_code = (guint)native_code & ~kNaClAlignmentMask; /* Shift the data to be 32-byte aligned again. */ memmove (native_code, cfg->native_code_alloc + old_padding, cfg->code_size); alignment_check = (guint)native_code & kNaClAlignmentMask; g_assert (alignment_check == 0); return native_code; #else g_assert_not_reached (); return cfg->native_code; #endif } #ifdef __native_client_codegen__ /* Prevent instructions from straddling a 32-byte alignment boundary. */ /* Instructions longer than 32 bytes must be aligned internally. */ /* IN: pcode, instlen */ /* OUT: pcode */ void mono_nacl_align_inst(guint8 **pcode, int instlen) { int space_in_block; space_in_block = kNaClAlignment - ((uintptr_t)(*pcode) & kNaClAlignmentMask); if (G_UNLIKELY (instlen >= kNaClAlignment)) { g_assert_not_reached(); } else if (instlen > space_in_block) { *pcode = mono_arch_nacl_pad(*pcode, space_in_block); } } /* Move emitted call sequence to the end of a kNaClAlignment-byte block. */ /* IN: start pointer to start of call sequence */ /* IN: pcode pointer to end of call sequence (current "IP") */ /* OUT: start pointer to the start of the call sequence after padding */ /* OUT: pcode pointer to the end of the call sequence after padding */ void mono_nacl_align_call(guint8 **start, guint8 **pcode) { const size_t MAX_NACL_CALL_LENGTH = kNaClAlignment; guint8 copy_of_call[MAX_NACL_CALL_LENGTH]; guint8 *temp; const size_t length = (size_t)((*pcode)-(*start)); g_assert(length < MAX_NACL_CALL_LENGTH); memcpy(copy_of_call, *start, length); temp = mono_nacl_pad_call(*start, (guint8)length); memcpy(temp, copy_of_call, length); (*start) = temp; (*pcode) = temp + length; } /* mono_nacl_pad_call(): Insert padding for Native Client call instructions */ /* code pointer to buffer for emitting code */ /* ilength length of call instruction */ guint8 *mono_nacl_pad_call(guint8 *code, guint8 ilength) { int freeSpaceInBlock = kNaClAlignment - ((uintptr_t)code & kNaClAlignmentMask); int padding = freeSpaceInBlock - ilength; if (padding < 0) { /* There isn't enough space in this block for the instruction. */ /* Fill this block and start a new one. */ code = mono_arch_nacl_pad(code, freeSpaceInBlock); freeSpaceInBlock = kNaClAlignment; padding = freeSpaceInBlock - ilength; } g_assert(ilength > 0); g_assert(padding >= 0); g_assert(padding < kNaClAlignment); if (0 == padding) return code; return mono_arch_nacl_pad(code, padding); } guint8 *mono_nacl_align(guint8 *code) { int padding = kNaClAlignment - ((uintptr_t)code & kNaClAlignmentMask); if (padding != kNaClAlignment) code = mono_arch_nacl_pad(code, padding); return code; } void mono_nacl_fix_patches(const guint8 *code, MonoJumpInfo *ji) { #ifndef USE_JUMP_TABLES MonoJumpInfo *patch_info; for (patch_info = ji; patch_info; patch_info = patch_info->next) { unsigned char *ip = patch_info->ip.i + code; ip = mono_arch_nacl_skip_nops(ip); patch_info->ip.i = ip - code; } #endif } #endif /* __native_client_codegen__ */ 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 { MonoExceptionClause *clause; MonoBasicBlock *basic_block; int start_offset; } TryBlockHole; 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; } /** * mono_emit_unwind_op: * * Add an unwind op with the given parameters for the list of unwind ops stored in * cfg->unwind_ops. */ void mono_emit_unwind_op (MonoCompile *cfg, int when, int tag, int reg, int val) { MonoUnwindOp *op = mono_mempool_alloc0 (cfg->mempool, sizeof (MonoUnwindOp)); op->op = tag; op->reg = reg; op->val = val; op->when = when; cfg->unwind_ops = g_slist_append_mempool (cfg->mempool, cfg->unwind_ops, op); if (cfg->verbose_level > 1) { switch (tag) { case DW_CFA_def_cfa: printf ("CFA: [%x] def_cfa: %s+0x%x\n", when, mono_arch_regname (reg), val); break; case DW_CFA_def_cfa_register: printf ("CFA: [%x] def_cfa_reg: %s\n", when, mono_arch_regname (reg)); break; case DW_CFA_def_cfa_offset: printf ("CFA: [%x] def_cfa_offset: 0x%x\n", when, val); break; case DW_CFA_offset: printf ("CFA: [%x] offset: %s at cfa-0x%x\n", when, mono_arch_regname (reg), -val); break; } } } 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); } 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; count ++; if (!g_getenv ("COUNT")) return TRUE; if (count == atoi (g_getenv ("COUNT"))) { break_count (); } if (count > atoi (g_getenv ("COUNT"))) { return FALSE; } return TRUE; } #define MONO_INIT_VARINFO(vi,id) do { \ (vi)->range.first_use.pos.bid = 0xffff; \ (vi)->reg = -1; \ (vi)->idx = (id); \ } while (0) /** * mono_unlink_bblock: * * Unlink two basic blocks. */ void mono_unlink_bblock (MonoCompile *cfg, MonoBasicBlock *from, MonoBasicBlock* to) { int i, pos; gboolean found; found = FALSE; for (i = 0; i < from->out_count; ++i) { if (to == from->out_bb [i]) { found = TRUE; break; } } if (found) { pos = 0; for (i = 0; i < from->out_count; ++i) { if (from->out_bb [i] != to) from->out_bb [pos ++] = from->out_bb [i]; } g_assert (pos == from->out_count - 1); from->out_count--; } found = FALSE; for (i = 0; i < to->in_count; ++i) { if (from == to->in_bb [i]) { found = TRUE; break; } } if (found) { pos = 0; for (i = 0; i < to->in_count; ++i) { if (to->in_bb [i] != from) to->in_bb [pos ++] = to->in_bb [i]; } g_assert (pos == to->in_count - 1); to->in_count--; } } /* * mono_bblocks_linked: * * Return whenever BB1 and BB2 are linked in the CFG. */ gboolean mono_bblocks_linked (MonoBasicBlock *bb1, MonoBasicBlock *bb2) { int i; for (i = 0; i < bb1->out_count; ++i) { if (bb1->out_bb [i] == bb2) return TRUE; } return FALSE; } static int mono_find_block_region_notry (MonoCompile *cfg, int offset) { MonoMethodHeader *header = cfg->header; MonoExceptionClause *clause; int i; for (i = 0; i < header->num_clauses; ++i) { clause = &header->clauses [i]; if ((clause->flags == MONO_EXCEPTION_CLAUSE_FILTER) && (offset >= clause->data.filter_offset) && (offset < (clause->handler_offset))) return ((i + 1) << 8) | MONO_REGION_FILTER | clause->flags; if (MONO_OFFSET_IN_HANDLER (clause, offset)) { if (clause->flags == MONO_EXCEPTION_CLAUSE_FINALLY) return ((i + 1) << 8) | MONO_REGION_FINALLY | clause->flags; else if (clause->flags == MONO_EXCEPTION_CLAUSE_FAULT) return ((i + 1) << 8) | MONO_REGION_FAULT | clause->flags; else return ((i + 1) << 8) | MONO_REGION_CATCH | clause->flags; } } return -1; } /* * mono_get_block_region_notry: * * Return the region corresponding to REGION, ignoring try clauses nested inside * finally clauses. */ int mono_get_block_region_notry (MonoCompile *cfg, int region) { if ((region & (0xf << 4)) == MONO_REGION_TRY) { MonoMethodHeader *header = cfg->header; /* * This can happen if a try clause is nested inside a finally clause. */ int clause_index = (region >> 8) - 1; g_assert (clause_index >= 0 && clause_index < header->num_clauses); region = mono_find_block_region_notry (cfg, header->clauses [clause_index].try_offset); } return region; } MonoInst * mono_find_spvar_for_region (MonoCompile *cfg, int region) { region = mono_get_block_region_notry (cfg, region); return g_hash_table_lookup (cfg->spvars, GINT_TO_POINTER (region)); } static void df_visit (MonoBasicBlock *start, int *dfn, MonoBasicBlock **array) { int i; array [*dfn] = start; /* g_print ("visit %d at %p (BB%ld)\n", *dfn, start->cil_code, start->block_num); */ for (i = 0; i < start->out_count; ++i) { if (start->out_bb [i]->dfn) continue; (*dfn)++; start->out_bb [i]->dfn = *dfn; start->out_bb [i]->df_parent = start; array [*dfn] = start->out_bb [i]; df_visit (start->out_bb [i], dfn, array); } } guint32 mono_reverse_branch_op (guint32 opcode) { static const int reverse_map [] = { CEE_BNE_UN, CEE_BLT, CEE_BLE, CEE_BGT, CEE_BGE, CEE_BEQ, CEE_BLT_UN, CEE_BLE_UN, CEE_BGT_UN, CEE_BGE_UN }; static const int reverse_fmap [] = { OP_FBNE_UN, OP_FBLT, OP_FBLE, OP_FBGT, OP_FBGE, OP_FBEQ, OP_FBLT_UN, OP_FBLE_UN, OP_FBGT_UN, OP_FBGE_UN }; static const int reverse_lmap [] = { OP_LBNE_UN, OP_LBLT, OP_LBLE, OP_LBGT, OP_LBGE, OP_LBEQ, OP_LBLT_UN, OP_LBLE_UN, OP_LBGT_UN, OP_LBGE_UN }; static const int reverse_imap [] = { OP_IBNE_UN, OP_IBLT, OP_IBLE, OP_IBGT, OP_IBGE, OP_IBEQ, OP_IBLT_UN, OP_IBLE_UN, OP_IBGT_UN, OP_IBGE_UN }; if (opcode >= CEE_BEQ && opcode <= CEE_BLT_UN) { opcode = reverse_map [opcode - CEE_BEQ]; } else if (opcode >= OP_FBEQ && opcode <= OP_FBLT_UN) { opcode = reverse_fmap [opcode - OP_FBEQ]; } else if (opcode >= OP_LBEQ && opcode <= OP_LBLT_UN) { opcode = reverse_lmap [opcode - OP_LBEQ]; } else if (opcode >= OP_IBEQ && opcode <= OP_IBLT_UN) { opcode = reverse_imap [opcode - OP_IBEQ]; } else g_assert_not_reached (); return opcode; } guint mono_type_to_store_membase (MonoCompile *cfg, MonoType *type) { if (type->byref) return OP_STORE_MEMBASE_REG; type = mini_replace_type (type); handle_enum: switch (type->type) { case MONO_TYPE_I1: case MONO_TYPE_U1: case MONO_TYPE_BOOLEAN: return OP_STOREI1_MEMBASE_REG; case MONO_TYPE_I2: case MONO_TYPE_U2: case MONO_TYPE_CHAR: return OP_STOREI2_MEMBASE_REG; case MONO_TYPE_I4: case MONO_TYPE_U4: return OP_STOREI4_MEMBASE_REG; case MONO_TYPE_I: case MONO_TYPE_U: case MONO_TYPE_PTR: case MONO_TYPE_FNPTR: return OP_STORE_MEMBASE_REG; case MONO_TYPE_CLASS: case MONO_TYPE_STRING: case MONO_TYPE_OBJECT: case MONO_TYPE_SZARRAY: case MONO_TYPE_ARRAY: return OP_STORE_MEMBASE_REG; case MONO_TYPE_I8: case MONO_TYPE_U8: return OP_STOREI8_MEMBASE_REG; case MONO_TYPE_R4: return OP_STORER4_MEMBASE_REG; case MONO_TYPE_R8: return OP_STORER8_MEMBASE_REG; case MONO_TYPE_VALUETYPE: if (type->data.klass->enumtype) { type = mono_class_enum_basetype (type->data.klass); goto handle_enum; } if (MONO_CLASS_IS_SIMD (cfg, mono_class_from_mono_type (type))) return OP_STOREX_MEMBASE; return OP_STOREV_MEMBASE; case MONO_TYPE_TYPEDBYREF: return OP_STOREV_MEMBASE; case MONO_TYPE_GENERICINST: type = &type->data.generic_class->container_class->byval_arg; goto handle_enum; case MONO_TYPE_VAR: case MONO_TYPE_MVAR: if (mini_type_var_is_vt (cfg, type)) return OP_STOREV_MEMBASE; else return OP_STORE_MEMBASE_REG; default: g_error ("unknown type 0x%02x in type_to_store_membase", type->type); } return -1; } guint mono_type_to_load_membase (MonoCompile *cfg, MonoType *type) { if (type->byref) return OP_LOAD_MEMBASE; type = mini_replace_type (type); switch (type->type) { case MONO_TYPE_I1: return OP_LOADI1_MEMBASE; case MONO_TYPE_U1: case MONO_TYPE_BOOLEAN: return OP_LOADU1_MEMBASE; case MONO_TYPE_I2: return OP_LOADI2_MEMBASE; case MONO_TYPE_U2: case MONO_TYPE_CHAR: return OP_LOADU2_MEMBASE; case MONO_TYPE_I4: return OP_LOADI4_MEMBASE; case MONO_TYPE_U4: return OP_LOADU4_MEMBASE; case MONO_TYPE_I: case MONO_TYPE_U: case MONO_TYPE_PTR: case MONO_TYPE_FNPTR: return OP_LOAD_MEMBASE; case MONO_TYPE_CLASS: case MONO_TYPE_STRING: case MONO_TYPE_OBJECT: case MONO_TYPE_SZARRAY: case MONO_TYPE_ARRAY: return OP_LOAD_MEMBASE; case MONO_TYPE_I8: case MONO_TYPE_U8: return OP_LOADI8_MEMBASE; case MONO_TYPE_R4: return OP_LOADR4_MEMBASE; case MONO_TYPE_R8: return OP_LOADR8_MEMBASE; case MONO_TYPE_VALUETYPE: if (MONO_CLASS_IS_SIMD (cfg, mono_class_from_mono_type (type))) return OP_LOADX_MEMBASE; case MONO_TYPE_TYPEDBYREF: return OP_LOADV_MEMBASE; case MONO_TYPE_GENERICINST: if (mono_type_generic_inst_is_valuetype (type)) return OP_LOADV_MEMBASE; else return OP_LOAD_MEMBASE; break; case MONO_TYPE_VAR: case MONO_TYPE_MVAR: g_assert (cfg->generic_sharing_context); if (mini_type_var_is_vt (cfg, type)) return OP_LOADV_MEMBASE; else return OP_LOAD_MEMBASE; default: g_error ("unknown type 0x%02x in type_to_load_membase", type->type); } return -1; } static guint mini_type_to_ldind (MonoCompile* cfg, MonoType *type) { if (cfg->generic_sharing_context && !type->byref) { if (type->type == MONO_TYPE_VAR || type->type == MONO_TYPE_MVAR) { if (mini_type_var_is_vt (cfg, type)) return CEE_LDOBJ; else return CEE_LDIND_REF; } } return mono_type_to_ldind (type); } #ifndef DISABLE_JIT guint mini_type_to_stind (MonoCompile* cfg, MonoType *type) { type = mini_replace_type (type); if (cfg->generic_sharing_context && !type->byref) { if (type->type == MONO_TYPE_VAR || type->type == MONO_TYPE_MVAR) { if (mini_type_var_is_vt (cfg, type)) return CEE_STOBJ; else return CEE_STIND_REF; } } return mono_type_to_stind (type); } int mono_op_imm_to_op (int opcode) { switch (opcode) { case OP_ADD_IMM: #if SIZEOF_REGISTER == 4 return OP_IADD; #else return OP_LADD; #endif case OP_IADD_IMM: return OP_IADD; case OP_LADD_IMM: return OP_LADD; case OP_ISUB_IMM: return OP_ISUB; case OP_LSUB_IMM: return OP_LSUB; case OP_IMUL_IMM: return OP_IMUL; case OP_AND_IMM: #if SIZEOF_REGISTER == 4 return OP_IAND; #else return OP_LAND; #endif case OP_OR_IMM: #if SIZEOF_REGISTER == 4 return OP_IOR; #else return OP_LOR; #endif case OP_XOR_IMM: #if SIZEOF_REGISTER == 4 return OP_IXOR; #else return OP_LXOR; #endif case OP_IAND_IMM: return OP_IAND; case OP_LAND_IMM: return OP_LAND; case OP_IOR_IMM: return OP_IOR; case OP_LOR_IMM: return OP_LOR; case OP_IXOR_IMM: return OP_IXOR; case OP_LXOR_IMM: return OP_LXOR; case OP_ISHL_IMM: return OP_ISHL; case OP_LSHL_IMM: return OP_LSHL; case OP_ISHR_IMM: return OP_ISHR; case OP_LSHR_IMM: return OP_LSHR; case OP_ISHR_UN_IMM: return OP_ISHR_UN; case OP_LSHR_UN_IMM: return OP_LSHR_UN; case OP_IDIV_IMM: return OP_IDIV; case OP_IDIV_UN_IMM: return OP_IDIV_UN; case OP_IREM_UN_IMM: return OP_IREM_UN; case OP_IREM_IMM: return OP_IREM; case OP_DIV_IMM: #if SIZEOF_REGISTER == 4 return OP_IDIV; #else return OP_LDIV; #endif case OP_REM_IMM: #if SIZEOF_REGISTER == 4 return OP_IREM; #else return OP_LREM; #endif case OP_ADDCC_IMM: return OP_ADDCC; case OP_ADC_IMM: return OP_ADC; case OP_SUBCC_IMM: return OP_SUBCC; case OP_SBB_IMM: return OP_SBB; case OP_IADC_IMM: return OP_IADC; case OP_ISBB_IMM: return OP_ISBB; case OP_COMPARE_IMM: return OP_COMPARE; case OP_ICOMPARE_IMM: return OP_ICOMPARE; case OP_LOCALLOC_IMM: return OP_LOCALLOC; default: printf ("%s\n", mono_inst_name (opcode)); g_assert_not_reached (); return -1; } } /* * mono_decompose_op_imm: * * Replace the OP_.._IMM INS with its non IMM variant. */ void mono_decompose_op_imm (MonoCompile *cfg, MonoBasicBlock *bb, MonoInst *ins) { MonoInst *temp; MONO_INST_NEW (cfg, temp, OP_ICONST); temp->inst_c0 = ins->inst_imm; temp->dreg = mono_alloc_ireg (cfg); mono_bblock_insert_before_ins (bb, ins, temp); ins->opcode = mono_op_imm_to_op (ins->opcode); if (ins->opcode == OP_LOCALLOC) ins->sreg1 = temp->dreg; else ins->sreg2 = temp->dreg; bb->max_vreg = MAX (bb->max_vreg, cfg->next_vreg); } #endif static void set_vreg_to_inst (MonoCompile *cfg, int vreg, MonoInst *inst) { if (vreg >= cfg->vreg_to_inst_len) { MonoInst **tmp = cfg->vreg_to_inst; int size = cfg->vreg_to_inst_len; while (vreg >= cfg->vreg_to_inst_len) cfg->vreg_to_inst_len = cfg->vreg_to_inst_len ? cfg->vreg_to_inst_len * 2 : 32; cfg->vreg_to_inst = mono_mempool_alloc0 (cfg->mempool, sizeof (MonoInst*) * cfg->vreg_to_inst_len); if (size) memcpy (cfg->vreg_to_inst, tmp, size * sizeof (MonoInst*)); } cfg->vreg_to_inst [vreg] = inst; } #define mono_type_is_long(type) (!(type)->byref && ((mono_type_get_underlying_type (type)->type == MONO_TYPE_I8) || (mono_type_get_underlying_type (type)->type == MONO_TYPE_U8))) #define mono_type_is_float(type) (!(type)->byref && (((type)->type == MONO_TYPE_R8) || ((type)->type == MONO_TYPE_R4))) #ifdef DISABLE_JIT MonoInst* mono_compile_create_var (MonoCompile *cfg, MonoType *type, int opcode) { return NULL; } #else MonoInst* mono_compile_create_var_for_vreg (MonoCompile *cfg, MonoType *type, int opcode, int vreg) { MonoInst *inst; int num = cfg->num_varinfo; gboolean regpair; type = mini_replace_type (type); if ((num + 1) >= cfg->varinfo_count) { int orig_count = cfg->varinfo_count; cfg->varinfo_count = cfg->varinfo_count ? (cfg->varinfo_count * 2) : 64; cfg->varinfo = (MonoInst **)g_realloc (cfg->varinfo, sizeof (MonoInst*) * cfg->varinfo_count); cfg->vars = (MonoMethodVar *)g_realloc (cfg->vars, sizeof (MonoMethodVar) * cfg->varinfo_count); memset (&cfg->vars [orig_count], 0, (cfg->varinfo_count - orig_count) * sizeof (MonoMethodVar)); } cfg->stat_allocate_var++; MONO_INST_NEW (cfg, inst, opcode); inst->inst_c0 = num; inst->inst_vtype = type; inst->klass = mono_class_from_mono_type (type); type_to_eval_stack_type (cfg, type, inst); /* if set to 1 the variable is native */ inst->backend.is_pinvoke = 0; inst->dreg = vreg; if (inst->klass->exception_type) mono_cfg_set_exception (cfg, MONO_EXCEPTION_TYPE_LOAD); if (cfg->compute_gc_maps) { if (type->byref) { mono_mark_vreg_as_mp (cfg, vreg); } else { MonoType *t = mini_replace_type (type); if ((MONO_TYPE_ISSTRUCT (t) && inst->klass->has_references) || mini_type_is_reference (cfg, t)) { inst->flags |= MONO_INST_GC_TRACK; mono_mark_vreg_as_ref (cfg, vreg); } } } cfg->varinfo [num] = inst; MONO_INIT_VARINFO (&cfg->vars [num], num); MONO_VARINFO (cfg, num)->vreg = vreg; if (vreg != -1) set_vreg_to_inst (cfg, vreg, inst); #if SIZEOF_REGISTER == 4 if (mono_arch_is_soft_float ()) { regpair = mono_type_is_long (type) || mono_type_is_float (type); } else { regpair = mono_type_is_long (type); } #else regpair = FALSE; #endif if (regpair) { MonoInst *tree; /* * These two cannot be allocated using create_var_for_vreg since that would * put it into the cfg->varinfo array, confusing many parts of the JIT. */ /* * Set flags to VOLATILE so SSA skips it. */ if (cfg->verbose_level >= 4) { printf (" Create LVAR R%d (R%d, R%d)\n", inst->dreg, inst->dreg + 1, inst->dreg + 2); } if (mono_arch_is_soft_float () && cfg->opt & MONO_OPT_SSA) { if (mono_type_is_float (type)) inst->flags = MONO_INST_VOLATILE; } /* Allocate a dummy MonoInst for the first vreg */ MONO_INST_NEW (cfg, tree, OP_LOCAL); tree->dreg = inst->dreg + 1; if (cfg->opt & MONO_OPT_SSA) tree->flags = MONO_INST_VOLATILE; tree->inst_c0 = num; tree->type = STACK_I4; tree->inst_vtype = &mono_defaults.int32_class->byval_arg; tree->klass = mono_class_from_mono_type (tree->inst_vtype); set_vreg_to_inst (cfg, inst->dreg + 1, tree); /* Allocate a dummy MonoInst for the second vreg */ MONO_INST_NEW (cfg, tree, OP_LOCAL); tree->dreg = inst->dreg + 2; if (cfg->opt & MONO_OPT_SSA) tree->flags = MONO_INST_VOLATILE; tree->inst_c0 = num; tree->type = STACK_I4; tree->inst_vtype = &mono_defaults.int32_class->byval_arg; tree->klass = mono_class_from_mono_type (tree->inst_vtype); set_vreg_to_inst (cfg, inst->dreg + 2, tree); } cfg->num_varinfo++; if (cfg->verbose_level > 2) g_print ("created temp %d (R%d) of type %s\n", num, vreg, mono_type_get_name (type)); return inst; } MonoInst* mono_compile_create_var (MonoCompile *cfg, MonoType *type, int opcode) { int dreg; type = mini_replace_type (type); if (mono_type_is_long (type)) dreg = mono_alloc_dreg (cfg, STACK_I8); else if (mono_arch_is_soft_float () && mono_type_is_float (type)) dreg = mono_alloc_dreg (cfg, STACK_R8); else /* All the others are unified */ dreg = mono_alloc_preg (cfg); return mono_compile_create_var_for_vreg (cfg, type, opcode, dreg); } /* * Transform a MonoInst into a load from the variable of index var_index. */ void mono_compile_make_var_load (MonoCompile *cfg, MonoInst *dest, gssize var_index) { memset (dest, 0, sizeof (MonoInst)); dest->inst_i0 = cfg->varinfo [var_index]; dest->opcode = mini_type_to_ldind (cfg, dest->inst_i0->inst_vtype); type_to_eval_stack_type (cfg, dest->inst_i0->inst_vtype, dest); dest->klass = dest->inst_i0->klass; } #endif void mono_mark_vreg_as_ref (MonoCompile *cfg, int vreg) { if (vreg >= cfg->vreg_is_ref_len) { gboolean *tmp = cfg->vreg_is_ref; int size = cfg->vreg_is_ref_len; while (vreg >= cfg->vreg_is_ref_len) cfg->vreg_is_ref_len = cfg->vreg_is_ref_len ? cfg->vreg_is_ref_len * 2 : 32; cfg->vreg_is_ref = mono_mempool_alloc0 (cfg->mempool, sizeof (gboolean) * cfg->vreg_is_ref_len); if (size) memcpy (cfg->vreg_is_ref, tmp, size * sizeof (gboolean)); } cfg->vreg_is_ref [vreg] = TRUE; } void mono_mark_vreg_as_mp (MonoCompile *cfg, int vreg) { if (vreg >= cfg->vreg_is_mp_len) { gboolean *tmp = cfg->vreg_is_mp; int size = cfg->vreg_is_mp_len; while (vreg >= cfg->vreg_is_mp_len) cfg->vreg_is_mp_len = cfg->vreg_is_mp_len ? cfg->vreg_is_mp_len * 2 : 32; cfg->vreg_is_mp = mono_mempool_alloc0 (cfg->mempool, sizeof (gboolean) * cfg->vreg_is_mp_len); if (size) memcpy (cfg->vreg_is_mp, tmp, size * sizeof (gboolean)); } cfg->vreg_is_mp [vreg] = TRUE; } static MonoType* type_from_stack_type (MonoInst *ins) { switch (ins->type) { case STACK_I4: return &mono_defaults.int32_class->byval_arg; case STACK_I8: return &mono_defaults.int64_class->byval_arg; case STACK_PTR: return &mono_defaults.int_class->byval_arg; case STACK_R8: return &mono_defaults.double_class->byval_arg; case STACK_MP: /* * this if used to be commented without any specific reason, but * it breaks #80235 when commented */ if (ins->klass) return &ins->klass->this_arg; else return &mono_defaults.object_class->this_arg; case STACK_OBJ: /* ins->klass may not be set for ldnull. * Also, if we have a boxed valuetype, we want an object lass, * not the valuetype class */ if (ins->klass && !ins->klass->valuetype) return &ins->klass->byval_arg; return &mono_defaults.object_class->byval_arg; case STACK_VTYPE: return &ins->klass->byval_arg; default: g_error ("stack type %d to montype not handled\n", ins->type); } return NULL; } MonoType* mono_type_from_stack_type (MonoInst *ins) { return type_from_stack_type (ins); } /* * mono_add_ins_to_end: * * Same as MONO_ADD_INS, but add INST before any branches at the end of BB. */ void mono_add_ins_to_end (MonoBasicBlock *bb, MonoInst *inst) { int opcode; if (!bb->code) { MONO_ADD_INS (bb, inst); return; } switch (bb->last_ins->opcode) { case OP_BR: case OP_BR_REG: case CEE_BEQ: case CEE_BGE: case CEE_BGT: case CEE_BLE: case CEE_BLT: case CEE_BNE_UN: case CEE_BGE_UN: case CEE_BGT_UN: case CEE_BLE_UN: case CEE_BLT_UN: case OP_SWITCH: mono_bblock_insert_before_ins (bb, bb->last_ins, inst); break; default: if (MONO_IS_COND_BRANCH_OP (bb->last_ins)) { /* Need to insert the ins before the compare */ if (bb->code == bb->last_ins) { mono_bblock_insert_before_ins (bb, bb->last_ins, inst); return; } if (bb->code->next == bb->last_ins) { /* Only two instructions */ opcode = bb->code->opcode; if ((opcode == OP_COMPARE) || (opcode == OP_COMPARE_IMM) || (opcode == OP_ICOMPARE) || (opcode == OP_ICOMPARE_IMM) || (opcode == OP_FCOMPARE) || (opcode == OP_LCOMPARE) || (opcode == OP_LCOMPARE_IMM)) { /* NEW IR */ mono_bblock_insert_before_ins (bb, bb->code, inst); } else { mono_bblock_insert_before_ins (bb, bb->last_ins, inst); } } else { opcode = bb->last_ins->prev->opcode; if ((opcode == OP_COMPARE) || (opcode == OP_COMPARE_IMM) || (opcode == OP_ICOMPARE) || (opcode == OP_ICOMPARE_IMM) || (opcode == OP_FCOMPARE) || (opcode == OP_LCOMPARE) || (opcode == OP_LCOMPARE_IMM)) { /* NEW IR */ mono_bblock_insert_before_ins (bb, bb->last_ins->prev, inst); } else { mono_bblock_insert_before_ins (bb, bb->last_ins, inst); } } } else MONO_ADD_INS (bb, inst); break; } } void mono_create_jump_table (MonoCompile *cfg, MonoInst *label, MonoBasicBlock **bbs, int num_blocks) { MonoJumpInfo *ji = mono_mempool_alloc (cfg->mempool, sizeof (MonoJumpInfo)); MonoJumpInfoBBTable *table; table = mono_mempool_alloc (cfg->mempool, sizeof (MonoJumpInfoBBTable)); table->table = bbs; table->table_size = num_blocks; ji->ip.label = label; ji->type = MONO_PATCH_INFO_SWITCH; ji->data.table = table; ji->next = cfg->patch_info; cfg->patch_info = ji; } static MonoMethodSignature * mono_get_array_new_va_signature (int arity) { static GHashTable *sighash = NULL; MonoMethodSignature *res; int i; mono_jit_lock (); if (!sighash) { sighash = g_hash_table_new (NULL, NULL); } else if ((res = g_hash_table_lookup (sighash, GINT_TO_POINTER (arity)))) { mono_jit_unlock (); return res; } res = mono_metadata_signature_alloc (mono_defaults.corlib, arity + 1); res->pinvoke = 1; if (ARCH_VARARG_ICALLS) /* Only set this only some archs since not all backends can handle varargs+pinvoke */ res->call_convention = MONO_CALL_VARARG; #ifdef TARGET_WIN32 res->call_convention = MONO_CALL_C; #endif res->params [0] = &mono_defaults.int_class->byval_arg; for (i = 0; i < arity; i++) res->params [i + 1] = &mono_defaults.int_class->byval_arg; res->ret = &mono_defaults.object_class->byval_arg; g_hash_table_insert (sighash, GINT_TO_POINTER (arity), res); mono_jit_unlock (); return res; } MonoJitICallInfo * mono_get_array_new_va_icall (int rank) { MonoMethodSignature *esig; char icall_name [256]; char *name; MonoJitICallInfo *info; /* Need to register the icall so it gets an icall wrapper */ sprintf (icall_name, "ves_array_new_va_%d", rank); mono_jit_lock (); info = mono_find_jit_icall_by_name (icall_name); if (info == NULL) { esig = mono_get_array_new_va_signature (rank); name = g_strdup (icall_name); info = mono_register_jit_icall (mono_array_new_va, name, esig, FALSE); g_hash_table_insert (jit_icall_name_hash, name, name); } mono_jit_unlock (); return info; } gboolean mini_class_is_system_array (MonoClass *klass) { if (klass->parent == mono_defaults.array_class) return TRUE; else return FALSE; } gboolean mini_assembly_can_skip_verification (MonoDomain *domain, MonoMethod *method) { MonoAssembly *assembly = method->klass->image->assembly; if (method->wrapper_type != MONO_WRAPPER_NONE && method->wrapper_type != MONO_WRAPPER_DYNAMIC_METHOD) return FALSE; if (assembly->in_gac || assembly->image == mono_defaults.corlib) return FALSE; if (mono_security_enabled ()) return FALSE; return mono_assembly_has_skip_verification (assembly); } /* * mini_method_verify: * * Verify the method using the new verfier. * * Returns true if the method is invalid. */ static gboolean mini_method_verify (MonoCompile *cfg, MonoMethod *method, gboolean fail_compile) { GSList *tmp, *res; gboolean is_fulltrust; MonoLoaderError *error; if (method->verification_success) return FALSE; if (!mono_verifier_is_enabled_for_method (method)) return FALSE; /*skip verification implies the assembly must be */ is_fulltrust = mono_verifier_is_method_full_trust (method) || mini_assembly_can_skip_verification (cfg->domain, method); res = mono_method_verify_with_current_settings (method, cfg->skip_visibility, is_fulltrust); if ((error = mono_loader_get_last_error ())) { if (fail_compile) cfg->exception_type = error->exception_type; else mono_loader_clear_error (); if (res) mono_free_verify_list (res); return TRUE; } if (res) { for (tmp = res; tmp; tmp = tmp->next) { MonoVerifyInfoExtended *info = (MonoVerifyInfoExtended *)tmp->data; if (info->info.status == MONO_VERIFY_ERROR) { if (fail_compile) { char *method_name = mono_method_full_name (method, TRUE); cfg->exception_type = info->exception_type; cfg->exception_message = g_strdup_printf ("Error verifying %s: %s", method_name, info->info.message); g_free (method_name); } mono_free_verify_list (res); return TRUE; } if (info->info.status == MONO_VERIFY_NOT_VERIFIABLE && (!is_fulltrust || info->exception_type == MONO_EXCEPTION_METHOD_ACCESS || info->exception_type == MONO_EXCEPTION_FIELD_ACCESS)) { if (fail_compile) { char *method_name = mono_method_full_name (method, TRUE); cfg->exception_type = info->exception_type; cfg->exception_message = g_strdup_printf ("Error verifying %s: %s", method_name, info->info.message); g_free (method_name); } mono_free_verify_list (res); return TRUE; } } mono_free_verify_list (res); } method->verification_success = 1; return FALSE; } /*Returns true if something went wrong*/ gboolean mono_compile_is_broken (MonoCompile *cfg, MonoMethod *method, gboolean fail_compile) { MonoMethod *method_definition = method; gboolean dont_verify = method->klass->image->assembly->corlib_internal; while (method_definition->is_inflated) { MonoMethodInflated *imethod = (MonoMethodInflated *) method_definition; method_definition = imethod->declaring; } return !dont_verify && mini_method_verify (cfg, method_definition, fail_compile); } static gconstpointer mono_icall_get_wrapper_full (MonoJitICallInfo* callinfo, gboolean do_compile) { char *name; MonoMethod *wrapper; gconstpointer trampoline; MonoDomain *domain = mono_get_root_domain (); 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; } name = g_strdup_printf ("__icall_wrapper_%s", callinfo->name); wrapper = mono_marshal_get_icall_wrapper (callinfo->sig, name, callinfo->func, check_for_pending_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 void mono_dynamic_code_hash_insert (MonoDomain *domain, MonoMethod *method, MonoJitDynamicMethodInfo *ji) { if (!domain_jit_info (domain)->dynamic_code_hash) domain_jit_info (domain)->dynamic_code_hash = g_hash_table_new (NULL, NULL); g_hash_table_insert (domain_jit_info (domain)->dynamic_code_hash, method, ji); } 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; } typedef struct { MonoClass *vtype; GList *active, *inactive; GSList *slots; } StackSlotInfo; static gint compare_by_interval_start_pos_func (gconstpointer a, gconstpointer b) { MonoMethodVar *v1 = (MonoMethodVar*)a; MonoMethodVar *v2 = (MonoMethodVar*)b; if (v1 == v2) return 0; else if (v1->interval->range && v2->interval->range) return v1->interval->range->from - v2->interval->range->from; else if (v1->interval->range) return -1; else return 1; } #ifndef DISABLE_JIT #if 0 #define LSCAN_DEBUG(a) do { a; } while (0) #else #define LSCAN_DEBUG(a) #endif static gint32* mono_allocate_stack_slots2 (MonoCompile *cfg, gboolean backward, guint32 *stack_size, guint32 *stack_align) { int i, slot, offset, size; guint32 align; MonoMethodVar *vmv; MonoInst *inst; gint32 *offsets; GList *vars = NULL, *l, *unhandled; StackSlotInfo *scalar_stack_slots, *vtype_stack_slots, *slot_info; MonoType *t; int nvtypes; gboolean reuse_slot; LSCAN_DEBUG (printf ("Allocate Stack Slots 2 for %s:\n", mono_method_full_name (cfg->method, TRUE))); scalar_stack_slots = mono_mempool_alloc0 (cfg->mempool, sizeof (StackSlotInfo) * MONO_TYPE_PINNED); vtype_stack_slots = NULL; nvtypes = 0; offsets = mono_mempool_alloc (cfg->mempool, sizeof (gint32) * cfg->num_varinfo); for (i = 0; i < cfg->num_varinfo; ++i) offsets [i] = -1; for (i = cfg->locals_start; i < cfg->num_varinfo; i++) { inst = cfg->varinfo [i]; vmv = MONO_VARINFO (cfg, i); if ((inst->flags & MONO_INST_IS_DEAD) || inst->opcode == OP_REGVAR || inst->opcode == OP_REGOFFSET) continue; vars = g_list_prepend (vars, vmv); } vars = g_list_sort (g_list_copy (vars), compare_by_interval_start_pos_func); /* Sanity check */ /* i = 0; for (unhandled = vars; unhandled; unhandled = unhandled->next) { MonoMethodVar *current = unhandled->data; if (current->interval->range) { g_assert (current->interval->range->from >= i); i = current->interval->range->from; } } */ offset = 0; *stack_align = 0; for (unhandled = vars; unhandled; unhandled = unhandled->next) { MonoMethodVar *current = unhandled->data; vmv = current; inst = cfg->varinfo [vmv->idx]; t = mono_type_get_underlying_type (inst->inst_vtype); if (cfg->gsharedvt && mini_is_gsharedvt_variable_type (cfg, t)) continue; /* inst->backend.is_pinvoke indicates native sized value types, this is used by the * pinvoke wrappers when they call functions returning structures */ if (inst->backend.is_pinvoke && MONO_TYPE_ISSTRUCT (t) && t->type != MONO_TYPE_TYPEDBYREF) { size = mono_class_native_size (mono_class_from_mono_type (t), &align); } else { int ialign; size = mono_type_size (t, &ialign); align = ialign; if (MONO_CLASS_IS_SIMD (cfg, mono_class_from_mono_type (t))) align = 16; } reuse_slot = TRUE; if (cfg->disable_reuse_stack_slots) reuse_slot = FALSE; switch (t->type) { case MONO_TYPE_GENERICINST: if (!mono_type_generic_inst_is_valuetype (t)) { slot_info = &scalar_stack_slots [t->type]; break; } /* Fall through */ case MONO_TYPE_VALUETYPE: if (!vtype_stack_slots) vtype_stack_slots = mono_mempool_alloc0 (cfg->mempool, sizeof (StackSlotInfo) * 256); for (i = 0; i < nvtypes; ++i) if (t->data.klass == vtype_stack_slots [i].vtype) break; if (i < nvtypes) slot_info = &vtype_stack_slots [i]; else { g_assert (nvtypes < 256); vtype_stack_slots [nvtypes].vtype = t->data.klass; slot_info = &vtype_stack_slots [nvtypes]; nvtypes ++; } if (cfg->disable_reuse_ref_stack_slots) reuse_slot = FALSE; break; case MONO_TYPE_PTR: case MONO_TYPE_I: case MONO_TYPE_U: #if SIZEOF_VOID_P == 4 case MONO_TYPE_I4: #else case MONO_TYPE_I8: #endif if (cfg->disable_ref_noref_stack_slot_share) { slot_info = &scalar_stack_slots [MONO_TYPE_I]; break; } /* Fall through */ case MONO_TYPE_CLASS: case MONO_TYPE_OBJECT: case MONO_TYPE_ARRAY: case MONO_TYPE_SZARRAY: case MONO_TYPE_STRING: /* Share non-float stack slots of the same size */ slot_info = &scalar_stack_slots [MONO_TYPE_CLASS]; if (cfg->disable_reuse_ref_stack_slots) reuse_slot = FALSE; break; default: slot_info = &scalar_stack_slots [t->type]; } slot = 0xffffff; if (cfg->comp_done & MONO_COMP_LIVENESS) { int pos; gboolean changed; //printf ("START %2d %08x %08x\n", vmv->idx, vmv->range.first_use.abs_pos, vmv->range.last_use.abs_pos); if (!current->interval->range) { if (inst->flags & (MONO_INST_VOLATILE|MONO_INST_INDIRECT)) pos = ~0; else { /* Dead */ inst->flags |= MONO_INST_IS_DEAD; continue; } } else pos = current->interval->range->from; LSCAN_DEBUG (printf ("process R%d ", inst->dreg)); if (current->interval->range) LSCAN_DEBUG (mono_linterval_print (current->interval)); LSCAN_DEBUG (printf ("\n")); /* Check for intervals in active which expired or inactive */ changed = TRUE; /* FIXME: Optimize this */ while (changed) { changed = FALSE; for (l = slot_info->active; l != NULL; l = l->next) { MonoMethodVar *v = (MonoMethodVar*)l->data; if (v->interval->last_range->to < pos) { slot_info->active = g_list_delete_link (slot_info->active, l); slot_info->slots = g_slist_prepend_mempool (cfg->mempool, slot_info->slots, GINT_TO_POINTER (offsets [v->idx])); LSCAN_DEBUG (printf ("Interval R%d has expired, adding 0x%x to slots\n", cfg->varinfo [v->idx]->dreg, offsets [v->idx])); changed = TRUE; break; } else if (!mono_linterval_covers (v->interval, pos)) { slot_info->inactive = g_list_append (slot_info->inactive, v); slot_info->active = g_list_delete_link (slot_info->active, l); LSCAN_DEBUG (printf ("Interval R%d became inactive\n", cfg->varinfo [v->idx]->dreg)); changed = TRUE; break; } } } /* Check for intervals in inactive which expired or active */ changed = TRUE; /* FIXME: Optimize this */ while (changed) { changed = FALSE; for (l = slot_info->inactive; l != NULL; l = l->next) { MonoMethodVar *v = (MonoMethodVar*)l->data; if (v->interval->last_range->to < pos) { slot_info->inactive = g_list_delete_link (slot_info->inactive, l); // FIXME: Enabling this seems to cause impossible to debug crashes //slot_info->slots = g_slist_prepend_mempool (cfg->mempool, slot_info->slots, GINT_TO_POINTER (offsets [v->idx])); LSCAN_DEBUG (printf ("Interval R%d has expired, adding 0x%x to slots\n", cfg->varinfo [v->idx]->dreg, offsets [v->idx])); changed = TRUE; break; } else if (mono_linterval_covers (v->interval, pos)) { slot_info->active = g_list_append (slot_info->active, v); slot_info->inactive = g_list_delete_link (slot_info->inactive, l); LSCAN_DEBUG (printf ("\tInterval R%d became active\n", cfg->varinfo [v->idx]->dreg)); changed = TRUE; break; } } } /* * This also handles the case when the variable is used in an * exception region, as liveness info is not computed there. */ /* * FIXME: All valuetypes are marked as INDIRECT because of LDADDR * opcodes. */ if (! (inst->flags & (MONO_INST_VOLATILE|MONO_INST_INDIRECT))) { if (slot_info->slots) { slot = GPOINTER_TO_INT (slot_info->slots->data); slot_info->slots = slot_info->slots->next; } /* FIXME: We might want to consider the inactive intervals as well if slot_info->slots is empty */ slot_info->active = mono_varlist_insert_sorted (cfg, slot_info->active, vmv, TRUE); } } #if 0 { static int count = 0; count ++; if (count == atoi (g_getenv ("COUNT3"))) printf ("LAST: %s\n", mono_method_full_name (cfg->method, TRUE)); if (count > atoi (g_getenv ("COUNT3"))) slot = 0xffffff; else { mono_print_ins (inst); } } #endif LSCAN_DEBUG (printf ("R%d %s -> 0x%x\n", inst->dreg, mono_type_full_name (t), slot)); if (inst->flags & MONO_INST_LMF) { size = sizeof (MonoLMF); align = sizeof (mgreg_t); reuse_slot = FALSE; } if (!reuse_slot) slot = 0xffffff; if (slot == 0xffffff) { /* * Allways allocate valuetypes to sizeof (gpointer) to allow more * efficient copying (and to work around the fact that OP_MEMCPY * and OP_MEMSET ignores alignment). */ if (MONO_TYPE_ISSTRUCT (t)) { align = MAX (align, sizeof (gpointer)); align = MAX (align, mono_class_min_align (mono_class_from_mono_type (t))); } if (backward) { offset += size; offset += align - 1; offset &= ~(align - 1); slot = offset; } else { offset += align - 1; offset &= ~(align - 1); slot = offset; offset += size; } if (*stack_align == 0) *stack_align = align; } offsets [vmv->idx] = slot; } g_list_free (vars); for (i = 0; i < MONO_TYPE_PINNED; ++i) { if (scalar_stack_slots [i].active) g_list_free (scalar_stack_slots [i].active); } for (i = 0; i < nvtypes; ++i) { if (vtype_stack_slots [i].active) g_list_free (vtype_stack_slots [i].active); } cfg->stat_locals_stack_size += offset; *stack_size = offset; return offsets; } /* * mono_allocate_stack_slots: * * Allocate stack slots for all non register allocated variables using a * linear scan algorithm. * Returns: an array of stack offsets. * STACK_SIZE is set to the amount of stack space needed. * STACK_ALIGN is set to the alignment needed by the locals area. */ gint32* mono_allocate_stack_slots (MonoCompile *cfg, gboolean backward, guint32 *stack_size, guint32 *stack_align) { int i, slot, offset, size; guint32 align; MonoMethodVar *vmv; MonoInst *inst; gint32 *offsets; GList *vars = NULL, *l; StackSlotInfo *scalar_stack_slots, *vtype_stack_slots, *slot_info; MonoType *t; int nvtypes; gboolean reuse_slot; if ((cfg->num_varinfo > 0) && MONO_VARINFO (cfg, 0)->interval) return mono_allocate_stack_slots2 (cfg, backward, stack_size, stack_align); scalar_stack_slots = mono_mempool_alloc0 (cfg->mempool, sizeof (StackSlotInfo) * MONO_TYPE_PINNED); vtype_stack_slots = NULL; nvtypes = 0; offsets = mono_mempool_alloc (cfg->mempool, sizeof (gint32) * cfg->num_varinfo); for (i = 0; i < cfg->num_varinfo; ++i) offsets [i] = -1; for (i = cfg->locals_start; i < cfg->num_varinfo; i++) { inst = cfg->varinfo [i]; vmv = MONO_VARINFO (cfg, i); if ((inst->flags & MONO_INST_IS_DEAD) || inst->opcode == OP_REGVAR || inst->opcode == OP_REGOFFSET) continue; vars = g_list_prepend (vars, vmv); } vars = mono_varlist_sort (cfg, vars, 0); offset = 0; *stack_align = sizeof(mgreg_t); for (l = vars; l; l = l->next) { vmv = l->data; inst = cfg->varinfo [vmv->idx]; t = mono_type_get_underlying_type (inst->inst_vtype); if (cfg->gsharedvt && mini_is_gsharedvt_variable_type (cfg, t)) continue; /* inst->backend.is_pinvoke indicates native sized value types, this is used by the * pinvoke wrappers when they call functions returning structures */ if (inst->backend.is_pinvoke && MONO_TYPE_ISSTRUCT (t) && t->type != MONO_TYPE_TYPEDBYREF) { size = mono_class_native_size (mono_class_from_mono_type (t), &align); } else { int ialign; size = mono_type_size (t, &ialign); align = ialign; if (mono_class_from_mono_type (t)->exception_type) mono_cfg_set_exception (cfg, MONO_EXCEPTION_TYPE_LOAD); if (MONO_CLASS_IS_SIMD (cfg, mono_class_from_mono_type (t))) align = 16; } reuse_slot = TRUE; if (cfg->disable_reuse_stack_slots) reuse_slot = FALSE; if (t->byref) { slot_info = &scalar_stack_slots [MONO_TYPE_I]; } else { switch (t->type) { case MONO_TYPE_GENERICINST: if (!mono_type_generic_inst_is_valuetype (t)) { slot_info = &scalar_stack_slots [t->type]; break; } /* Fall through */ case MONO_TYPE_VALUETYPE: if (!vtype_stack_slots) vtype_stack_slots = mono_mempool_alloc0 (cfg->mempool, sizeof (StackSlotInfo) * 256); for (i = 0; i < nvtypes; ++i) if (t->data.klass == vtype_stack_slots [i].vtype) break; if (i < nvtypes) slot_info = &vtype_stack_slots [i]; else { g_assert (nvtypes < 256); vtype_stack_slots [nvtypes].vtype = t->data.klass; slot_info = &vtype_stack_slots [nvtypes]; nvtypes ++; } if (cfg->disable_reuse_ref_stack_slots) reuse_slot = FALSE; break; case MONO_TYPE_PTR: case MONO_TYPE_I: case MONO_TYPE_U: #if SIZEOF_VOID_P == 4 case MONO_TYPE_I4: #else case MONO_TYPE_I8: #endif if (cfg->disable_ref_noref_stack_slot_share) { slot_info = &scalar_stack_slots [MONO_TYPE_I]; break; } /* Fall through */ case MONO_TYPE_CLASS: case MONO_TYPE_OBJECT: case MONO_TYPE_ARRAY: case MONO_TYPE_SZARRAY: case MONO_TYPE_STRING: /* Share non-float stack slots of the same size */ slot_info = &scalar_stack_slots [MONO_TYPE_CLASS]; if (cfg->disable_reuse_ref_stack_slots) reuse_slot = FALSE; break; case MONO_TYPE_VAR: case MONO_TYPE_MVAR: slot_info = &scalar_stack_slots [t->type]; break; default: slot_info = &scalar_stack_slots [t->type]; break; } } slot = 0xffffff; if (cfg->comp_done & MONO_COMP_LIVENESS) { //printf ("START %2d %08x %08x\n", vmv->idx, vmv->range.first_use.abs_pos, vmv->range.last_use.abs_pos); /* expire old intervals in active */ while (slot_info->active) { MonoMethodVar *amv = (MonoMethodVar *)slot_info->active->data; if (amv->range.last_use.abs_pos > vmv->range.first_use.abs_pos) break; //printf ("EXPIR %2d %08x %08x C%d R%d\n", amv->idx, amv->range.first_use.abs_pos, amv->range.last_use.abs_pos, amv->spill_costs, amv->reg); slot_info->active = g_list_delete_link (slot_info->active, slot_info->active); slot_info->slots = g_slist_prepend_mempool (cfg->mempool, slot_info->slots, GINT_TO_POINTER (offsets [amv->idx])); } /* * This also handles the case when the variable is used in an * exception region, as liveness info is not computed there. */ /* * FIXME: All valuetypes are marked as INDIRECT because of LDADDR * opcodes. */ if (! (inst->flags & (MONO_INST_VOLATILE|MONO_INST_INDIRECT))) { if (slot_info->slots) { slot = GPOINTER_TO_INT (slot_info->slots->data); slot_info->slots = slot_info->slots->next; } slot_info->active = mono_varlist_insert_sorted (cfg, slot_info->active, vmv, TRUE); } } { static int count = 0; count ++; /* if (count == atoi (g_getenv ("COUNT"))) printf ("LAST: %s\n", mono_method_full_name (cfg->method, TRUE)); if (count > atoi (g_getenv ("COUNT"))) slot = 0xffffff; else { mono_print_ins (inst); } */ } if (inst->flags & MONO_INST_LMF) { /* * This variable represents a MonoLMF structure, which has no corresponding * CLR type, so hard-code its size/alignment. */ size = sizeof (MonoLMF); align = sizeof (mgreg_t); reuse_slot = FALSE; } if (!reuse_slot) slot = 0xffffff; if (slot == 0xffffff) { /* * Allways allocate valuetypes to sizeof (gpointer) to allow more * efficient copying (and to work around the fact that OP_MEMCPY * and OP_MEMSET ignores alignment). */ if (MONO_TYPE_ISSTRUCT (t)) { align = MAX (align, sizeof (gpointer)); align = MAX (align, mono_class_min_align (mono_class_from_mono_type (t))); /* * Align the size too so the code generated for passing vtypes in * registers doesn't overwrite random locals. */ size = (size + (align - 1)) & ~(align -1); } if (backward) { offset += size; offset += align - 1; offset &= ~(align - 1); slot = offset; } else { offset += align - 1; offset &= ~(align - 1); slot = offset; offset += size; } *stack_align = MAX (*stack_align, align); } offsets [vmv->idx] = slot; } g_list_free (vars); for (i = 0; i < MONO_TYPE_PINNED; ++i) { if (scalar_stack_slots [i].active) g_list_free (scalar_stack_slots [i].active); } for (i = 0; i < nvtypes; ++i) { if (vtype_stack_slots [i].active) g_list_free (vtype_stack_slots [i].active); } cfg->stat_locals_stack_size += offset; *stack_size = offset; return offsets; } #else gint32* mono_allocate_stack_slots (MonoCompile *cfg, gboolean backward, guint32 *stack_size, guint32 *stack_align) { g_assert_not_reached (); return NULL; } #endif /* DISABLE_JIT */ #define EMUL_HIT_SHIFT 3 #define EMUL_HIT_MASK ((1 << EMUL_HIT_SHIFT) - 1) /* small hit bitmap cache */ static mono_byte emul_opcode_hit_cache [(OP_LAST>>EMUL_HIT_SHIFT) + 1] = {0}; static short emul_opcode_num = 0; static short emul_opcode_alloced = 0; static short *emul_opcode_opcodes = NULL; static MonoJitICallInfo **emul_opcode_map = NULL; MonoJitICallInfo * mono_find_jit_opcode_emulation (int opcode) { g_assert (opcode >= 0 && opcode <= OP_LAST); if (emul_opcode_hit_cache [opcode >> (EMUL_HIT_SHIFT + 3)] & (1 << (opcode & EMUL_HIT_MASK))) { int i; for (i = 0; i < emul_opcode_num; ++i) { if (emul_opcode_opcodes [i] == opcode) return emul_opcode_map [i]; } } return NULL; } static void register_opcode_emulation (int opcode, const char *name, const char *sigstr, gpointer func, const char *symbol, gboolean no_throw) { MonoJitICallInfo *info; MonoMethodSignature *sig = mono_create_icall_signature (sigstr); g_assert (!sig->hasthis); g_assert (sig->param_count < 3); info = mono_register_jit_icall_full (func, name, sig, no_throw, symbol); if (emul_opcode_num >= emul_opcode_alloced) { int incr = emul_opcode_alloced? emul_opcode_alloced/2: 16; emul_opcode_alloced += incr; emul_opcode_map = g_realloc (emul_opcode_map, sizeof (emul_opcode_map [0]) * emul_opcode_alloced); emul_opcode_opcodes = g_realloc (emul_opcode_opcodes, sizeof (emul_opcode_opcodes [0]) * emul_opcode_alloced); } emul_opcode_map [emul_opcode_num] = info; emul_opcode_opcodes [emul_opcode_num] = opcode; emul_opcode_num++; emul_opcode_hit_cache [opcode >> (EMUL_HIT_SHIFT + 3)] |= (1 << (opcode & EMUL_HIT_MASK)); } /* * For JIT icalls implemented in C. * NAME should be the same as the name of the C function whose address is FUNC. */ 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, 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); } static void print_dfn (MonoCompile *cfg) { int i, j; char *code; MonoBasicBlock *bb; MonoInst *c; { char *method_name = mono_method_full_name (cfg->method, TRUE); g_print ("IR code for method %s\n", method_name); g_free (method_name); } for (i = 0; i < cfg->num_bblocks; ++i) { bb = cfg->bblocks [i]; /*if (bb->cil_code) { char* code1, *code2; code1 = mono_disasm_code_one (NULL, cfg->method, bb->cil_code, NULL); if (bb->last_ins->cil_code) code2 = mono_disasm_code_one (NULL, cfg->method, bb->last_ins->cil_code, NULL); else code2 = g_strdup (""); code1 [strlen (code1) - 1] = 0; code = g_strdup_printf ("%s -> %s", code1, code2); g_free (code1); g_free (code2); } else*/ code = g_strdup ("\n"); g_print ("\nBB%d (%d) (len: %d): %s", bb->block_num, i, bb->cil_length, code); MONO_BB_FOR_EACH_INS (bb, c) { mono_print_ins_index (-1, c); } g_print ("\tprev:"); for (j = 0; j < bb->in_count; ++j) { g_print (" BB%d", bb->in_bb [j]->block_num); } g_print ("\t\tsucc:"); for (j = 0; j < bb->out_count; ++j) { g_print (" BB%d", bb->out_bb [j]->block_num); } g_print ("\n\tidom: BB%d\n", bb->idom? bb->idom->block_num: -1); if (bb->idom) g_assert (mono_bitset_test_fast (bb->dominators, bb->idom->dfn)); if (bb->dominators) mono_blockset_print (cfg, bb->dominators, "\tdominators", bb->idom? bb->idom->dfn: -1); if (bb->dfrontier) mono_blockset_print (cfg, bb->dfrontier, "\tdfrontier", -1); g_free (code); } g_print ("\n"); } void mono_bblock_add_inst (MonoBasicBlock *bb, MonoInst *inst) { MONO_ADD_INS (bb, inst); } void mono_bblock_insert_after_ins (MonoBasicBlock *bb, MonoInst *ins, MonoInst *ins_to_insert) { if (ins == NULL) { ins = bb->code; bb->code = ins_to_insert; /* Link with next */ ins_to_insert->next = ins; if (ins) ins->prev = ins_to_insert; if (bb->last_ins == NULL) bb->last_ins = ins_to_insert; } else { /* Link with next */ ins_to_insert->next = ins->next; if (ins->next) ins->next->prev = ins_to_insert; /* Link with previous */ ins->next = ins_to_insert; ins_to_insert->prev = ins; if (bb->last_ins == ins) bb->last_ins = ins_to_insert; } } void mono_bblock_insert_before_ins (MonoBasicBlock *bb, MonoInst *ins, MonoInst *ins_to_insert) { if (ins == NULL) { ins = bb->code; if (ins) ins->prev = ins_to_insert; bb->code = ins_to_insert; ins_to_insert->next = ins; if (bb->last_ins == NULL) bb->last_ins = ins_to_insert; } else { /* Link with previous */ if (ins->prev) ins->prev->next = ins_to_insert; ins_to_insert->prev = ins->prev; /* Link with next */ ins->prev = ins_to_insert; ins_to_insert->next = ins; if (bb->code == ins) bb->code = ins_to_insert; } } /* * mono_verify_bblock: * * Verify that the next and prev pointers are consistent inside the instructions in BB. */ void mono_verify_bblock (MonoBasicBlock *bb) { MonoInst *ins, *prev; prev = NULL; for (ins = bb->code; ins; ins = ins->next) { g_assert (ins->prev == prev); prev = ins; } if (bb->last_ins) g_assert (!bb->last_ins->next); } /* * mono_verify_cfg: * * Perform consistency checks on the JIT data structures and the IR */ void mono_verify_cfg (MonoCompile *cfg) { MonoBasicBlock *bb; for (bb = cfg->bb_entry; bb; bb = bb->next_bb) mono_verify_bblock (bb); } void mono_destroy_compile (MonoCompile *cfg) { GSList *l; if (cfg->header) mono_metadata_free_mh (cfg->header); //mono_mempool_stats (cfg->mempool); mono_free_loop_info (cfg); if (cfg->rs) mono_regstate_free (cfg->rs); if (cfg->spvars) g_hash_table_destroy (cfg->spvars); if (cfg->exvars) g_hash_table_destroy (cfg->exvars); for (l = cfg->headers_to_free; l; l = l->next) mono_metadata_free_mh (l->data); g_list_free (cfg->ldstr_list); g_hash_table_destroy (cfg->token_info_hash); if (cfg->abs_patches) g_hash_table_destroy (cfg->abs_patches); mono_mempool_destroy (cfg->mempool); mono_debug_free_method (cfg); g_free (cfg->varinfo); g_free (cfg->vars); g_free (cfg->exception_message); g_free (cfg); } #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 MonoNativeTlsKey mono_get_jit_tls_key (void) { return mono_jit_tls_id; } gint32 mono_get_jit_tls_offset (void) { int offset; MONO_THREAD_VAR_OFFSET (mono_jit_tls, offset); 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; } static void mono_set_jit_tls (MonoJitTlsData *jit_tls) { 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 } static void mono_set_lmf_addr (gpointer lmf_addr) { #ifdef MONO_HAVE_FAST_TLS MONO_FAST_TLS_SET (mono_lmf_addr, lmf_addr); #endif } /* * 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; } #ifndef DISABLE_JIT static MonoInst* mono_create_tls_get_offset (MonoCompile *cfg, int offset) { MonoInst* ins; if (!MONO_ARCH_HAVE_TLS_GET) return NULL; if (offset == -1) return NULL; MONO_INST_NEW (cfg, ins, OP_TLS_GET); ins->dreg = mono_alloc_preg (cfg); ins->inst_offset = offset; return ins; } gboolean mini_tls_get_supported (MonoCompile *cfg, MonoTlsKey key) { if (!MONO_ARCH_HAVE_TLS_GET) return FALSE; if (cfg->compile_aot) return ARCH_HAVE_TLS_GET_REG; else return mini_get_tls_offset (key) != -1; } MonoInst* mono_create_tls_get (MonoCompile *cfg, MonoTlsKey key) { /* * TLS offsets might be different at AOT time, so load them from a GOT slot and * use a different opcode. */ if (cfg->compile_aot) { if (MONO_ARCH_HAVE_TLS_GET && ARCH_HAVE_TLS_GET_REG) { MonoInst *ins, *c; EMIT_NEW_TLS_OFFSETCONST (cfg, c, key); MONO_INST_NEW (cfg, ins, OP_TLS_GET_REG); ins->dreg = mono_alloc_preg (cfg); ins->sreg1 = c->dreg; return ins; } else { return NULL; } } return mono_create_tls_get_offset (cfg, mini_get_tls_offset (key)); } MonoInst* mono_get_jit_tls_intrinsic (MonoCompile *cfg) { return mono_create_tls_get (cfg, TLS_KEY_JIT_TLS); } MonoInst* mono_get_domain_intrinsic (MonoCompile* cfg) { return mono_create_tls_get (cfg, TLS_KEY_DOMAIN); } MonoInst* mono_get_thread_intrinsic (MonoCompile* cfg) { return mono_create_tls_get (cfg, TLS_KEY_THREAD); } MonoInst* mono_get_lmf_intrinsic (MonoCompile* cfg) { return mono_create_tls_get (cfg, TLS_KEY_LMF); } MonoInst* mono_get_lmf_addr_intrinsic (MonoCompile* cfg) { return mono_create_tls_get (cfg, TLS_KEY_LMF_ADDR); } #endif /* !DISABLE_JIT */ void mono_add_patch_info (MonoCompile *cfg, int ip, MonoJumpInfoType type, gconstpointer target) { MonoJumpInfo *ji = mono_mempool_alloc0 (cfg->mempool, sizeof (MonoJumpInfo)); ji->ip.i = ip; ji->type = type; ji->data.target = target; ji->next = cfg->patch_info; cfg->patch_info = ji; } void mono_add_patch_info_rel (MonoCompile *cfg, int ip, MonoJumpInfoType type, gconstpointer target, int relocation) { MonoJumpInfo *ji = mono_mempool_alloc0 (cfg->mempool, sizeof (MonoJumpInfo)); ji->ip.i = ip; ji->type = type; ji->relocation = relocation; ji->data.target = target; ji->next = cfg->patch_info; cfg->patch_info = ji; } 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; } void mono_remove_patch_info (MonoCompile *cfg, int ip) { MonoJumpInfo **ji = &cfg->patch_info; while (*ji) { if ((*ji)->ip.i == ip) *ji = (*ji)->next; else ji = &((*ji)->next); } } /** * 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_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 = g_ptr_array_new (); if (oinfo->entries) { for (i = 0; i < oinfo->entries->len; ++i) { MonoRuntimeGenericContextInfoTemplate *otemplate = g_ptr_array_index (oinfo->entries, i); MonoRuntimeGenericContextInfoTemplate *template = mono_mempool_alloc0 (mp, sizeof (MonoRuntimeGenericContextInfoTemplate)); memcpy (template, otemplate, sizeof (MonoRuntimeGenericContextInfoTemplate)); g_ptr_array_add (info->entries, template); } } //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_DELEGATE_TRAMPOLINE: 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_EXIT: case MONO_PATCH_INFO_CASTCLASS_CACHE: case MONO_PATCH_INFO_GOT_OFFSET: return (ji->type << 8); 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); 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; 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: target = mono_create_delegate_trampoline (domain, patch_info->data.klass); 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; handle = mono_ldtoken (patch_info->data.token->image, patch_info->data.token->token, &handle_class, patch_info->data.token->has_context ? &patch_info->data.token->context : NULL); 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; handle = mono_ldtoken (patch_info->data.token->image, patch_info->data.token->token, &handle_class, patch_info->data.token->has_context ? &patch_info->data.token->context : NULL); 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->entries = g_ptr_array_new (); for (i = 0; i < oinfo->entries->len; ++i) { MonoRuntimeGenericContextInfoTemplate *otemplate = g_ptr_array_index (oinfo->entries, i); MonoRuntimeGenericContextInfoTemplate *template = g_malloc0 (sizeof (MonoRuntimeGenericContextInfoTemplate)); memcpy (template, otemplate, sizeof (MonoRuntimeGenericContextInfoTemplate)); g_ptr_array_add (info->entries, template); } 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_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; } default: g_assert_not_reached (); } return (gpointer)target; } void mono_add_seq_point (MonoCompile *cfg, MonoBasicBlock *bb, MonoInst *ins, int native_offset) { ins->inst_offset = native_offset; g_ptr_array_add (cfg->seq_points, ins); if (bb) { bb->seq_points = g_slist_prepend_mempool (cfg->mempool, bb->seq_points, ins); bb->last_seq_point = ins; } } void mono_add_var_location (MonoCompile *cfg, MonoInst *var, gboolean is_reg, int reg, int offset, int from, int to) { MonoDwarfLocListEntry *entry = mono_mempool_alloc0 (cfg->mempool, sizeof (MonoDwarfLocListEntry)); if (is_reg) g_assert (offset == 0); entry->is_reg = is_reg; entry->reg = reg; entry->offset = offset; entry->from = from; entry->to = to; if (var == cfg->args [0]) cfg->this_loclist = g_slist_append_mempool (cfg->mempool, cfg->this_loclist, entry); else if (var == cfg->rgctx_var) cfg->rgctx_loclist = g_slist_append_mempool (cfg->mempool, cfg->rgctx_loclist, entry); } #ifndef DISABLE_JIT static void mono_compile_create_vars (MonoCompile *cfg) { MonoMethodSignature *sig; MonoMethodHeader *header; int i; header = cfg->header; sig = mono_method_signature (cfg->method); if (!MONO_TYPE_IS_VOID (sig->ret)) { cfg->ret = mono_compile_create_var (cfg, sig->ret, OP_ARG); /* Inhibit optimizations */ cfg->ret->flags |= MONO_INST_VOLATILE; } if (cfg->verbose_level > 2) g_print ("creating vars\n"); cfg->args = mono_mempool_alloc0 (cfg->mempool, (sig->param_count + sig->hasthis) * sizeof (MonoInst*)); if (sig->hasthis) cfg->args [0] = mono_compile_create_var (cfg, &cfg->method->klass->this_arg, OP_ARG); for (i = 0; i < sig->param_count; ++i) { cfg->args [i + sig->hasthis] = mono_compile_create_var (cfg, sig->params [i], OP_ARG); } if (cfg->verbose_level > 2) { if (cfg->ret) { printf ("\treturn : "); mono_print_ins (cfg->ret); } if (sig->hasthis) { printf ("\tthis: "); mono_print_ins (cfg->args [0]); } for (i = 0; i < sig->param_count; ++i) { printf ("\targ [%d]: ", i); mono_print_ins (cfg->args [i + sig->hasthis]); } } cfg->locals_start = cfg->num_varinfo; cfg->locals = mono_mempool_alloc0 (cfg->mempool, header->num_locals * sizeof (MonoInst*)); if (cfg->verbose_level > 2) g_print ("creating locals\n"); for (i = 0; i < header->num_locals; ++i) cfg->locals [i] = mono_compile_create_var (cfg, header->locals [i], OP_LOCAL); if (cfg->verbose_level > 2) g_print ("locals done\n"); mono_arch_create_vars (cfg); if (cfg->method->save_lmf && cfg->create_lmf_var) { MonoInst *lmf_var = mono_compile_create_var (cfg, &mono_defaults.int_class->byval_arg, OP_LOCAL); lmf_var->flags |= MONO_INST_VOLATILE; lmf_var->flags |= MONO_INST_LMF; cfg->lmf_var = lmf_var; } } void mono_print_code (MonoCompile *cfg, const char* msg) { MonoBasicBlock *bb; for (bb = cfg->bb_entry; bb; bb = bb->next_bb) mono_print_bb (bb, msg); } static void mono_postprocess_patches (MonoCompile *cfg) { MonoJumpInfo *patch_info; int i; for (patch_info = cfg->patch_info; patch_info; patch_info = patch_info->next) { switch (patch_info->type) { case MONO_PATCH_INFO_ABS: { MonoJitICallInfo *info = mono_find_jit_icall_by_addr (patch_info->data.target); /* * Change patches of type MONO_PATCH_INFO_ABS into patches describing the * absolute address. */ if (info) { //printf ("TEST %s %p\n", info->name, patch_info->data.target); /* for these array methods we currently register the same function pointer * since it's a vararg function. But this means that mono_find_jit_icall_by_addr () * will return the incorrect one depending on the order they are registered. * See tests/test-arr.cs */ if (strstr (info->name, "ves_array_new_va_") == NULL && strstr (info->name, "ves_array_element_address_") == NULL) { patch_info->type = MONO_PATCH_INFO_INTERNAL_METHOD; patch_info->data.name = info->name; } } if (patch_info->type == MONO_PATCH_INFO_ABS) { if (cfg->abs_patches) { MonoJumpInfo *abs_ji = g_hash_table_lookup (cfg->abs_patches, patch_info->data.target); if (abs_ji) { patch_info->type = abs_ji->type; patch_info->data.target = abs_ji->data.target; } } } break; } case MONO_PATCH_INFO_SWITCH: { gpointer *table; #if defined(__native_client__) && defined(__native_client_codegen__) /* This memory will leak. */ /* TODO: can we free this when */ /* making the final jump table? */ table = g_malloc0 (sizeof(gpointer) * patch_info->data.table->table_size); #else if (cfg->method->dynamic) { table = mono_code_manager_reserve (cfg->dynamic_info->code_mp, sizeof (gpointer) * patch_info->data.table->table_size); } else { table = mono_domain_code_reserve (cfg->domain, sizeof (gpointer) * patch_info->data.table->table_size); } #endif for (i = 0; i < patch_info->data.table->table_size; i++) { /* Might be NULL if the switch is eliminated */ if (patch_info->data.table->table [i]) { g_assert (patch_info->data.table->table [i]->native_offset); table [i] = GINT_TO_POINTER (patch_info->data.table->table [i]->native_offset); } else { table [i] = NULL; } } patch_info->data.table->table = (MonoBasicBlock**)table; break; } case MONO_PATCH_INFO_METHOD_JUMP: { MonoJumpList *jlist; MonoDomain *domain = cfg->domain; unsigned char *ip = cfg->native_code + patch_info->ip.i; #if defined(__native_client__) && defined(__native_client_codegen__) /* When this jump target gets evaluated, the method */ /* will be installed in the dynamic code section, */ /* not at the location of cfg->native_code. */ ip = nacl_inverse_modify_patch_target (cfg->native_code) + patch_info->ip.i; #endif mono_domain_lock (domain); jlist = g_hash_table_lookup (domain_jit_info (domain)->jump_target_hash, patch_info->data.method); if (!jlist) { jlist = mono_domain_alloc0 (domain, sizeof (MonoJumpList)); g_hash_table_insert (domain_jit_info (domain)->jump_target_hash, patch_info->data.method, jlist); } jlist->list = g_slist_prepend (jlist->list, ip); mono_domain_unlock (domain); break; } default: /* do nothing */ break; } } } static void collect_pred_seq_points (MonoBasicBlock *bb, MonoInst *ins, GSList **next, int depth) { int i; MonoBasicBlock *in_bb; GSList *l; for (i = 0; i < bb->in_count; ++i) { in_bb = bb->in_bb [i]; if (in_bb->last_seq_point) { int src_index = in_bb->last_seq_point->backend.size; int dst_index = ins->backend.size; /* bb->in_bb might contain duplicates */ for (l = next [src_index]; l; l = l->next) if (GPOINTER_TO_UINT (l->data) == dst_index) break; if (!l) next [src_index] = g_slist_append (next [src_index], GUINT_TO_POINTER (dst_index)); } else { /* Have to look at its predecessors */ if (depth < 5) collect_pred_seq_points (in_bb, ins, next, depth + 1); } } } static void mono_save_seq_point_info (MonoCompile *cfg) { MonoBasicBlock *bb; GSList *bb_seq_points, *l; MonoInst *last; MonoDomain *domain = cfg->domain; int i; MonoSeqPointInfo *info; GSList **next; if (!cfg->seq_points) return; info = g_malloc0 (sizeof (MonoSeqPointInfo) + (cfg->seq_points->len * sizeof (SeqPoint))); info->len = cfg->seq_points->len; for (i = 0; i < cfg->seq_points->len; ++i) { SeqPoint *sp = &info->seq_points [i]; MonoInst *ins = g_ptr_array_index (cfg->seq_points, i); sp->il_offset = ins->inst_imm; sp->native_offset = ins->inst_offset; if (ins->flags & MONO_INST_NONEMPTY_STACK) sp->flags |= MONO_SEQ_POINT_FLAG_NONEMPTY_STACK; /* Used below */ ins->backend.size = i; } /* * For each sequence point, compute the list of sequence points immediately * following it, this is needed to implement 'step over' in the debugger agent. */ next = g_new0 (GSList*, cfg->seq_points->len); for (bb = cfg->bb_entry; bb; bb = bb->next_bb) { bb_seq_points = g_slist_reverse (bb->seq_points); last = NULL; for (l = bb_seq_points; l; l = l->next) { MonoInst *ins = l->data; if (ins->inst_imm == METHOD_ENTRY_IL_OFFSET || ins->inst_imm == METHOD_EXIT_IL_OFFSET) /* Used to implement method entry/exit events */ continue; if (ins->inst_offset == SEQ_POINT_NATIVE_OFFSET_DEAD_CODE) continue; if (last != NULL) { /* Link with the previous seq point in the same bb */ next [last->backend.size] = g_slist_append (next [last->backend.size], GUINT_TO_POINTER (ins->backend.size)); } else { /* Link with the last bb in the previous bblocks */ collect_pred_seq_points (bb, ins, next, 0); } last = ins; } if (bb->last_ins && bb->last_ins->opcode == OP_ENDFINALLY && bb->seq_points) { MonoBasicBlock *bb2; MonoInst *endfinally_seq_point = NULL; /* * The ENDFINALLY branches are not represented in the cfg, so link it with all seq points starting bbs. */ l = g_slist_last (bb->seq_points); if (l) { endfinally_seq_point = l->data; for (bb2 = cfg->bb_entry; bb2; bb2 = bb2->next_bb) { GSList *l = g_slist_last (bb2->seq_points); if (l) { MonoInst *ins = l->data; if (!(ins->inst_imm == METHOD_ENTRY_IL_OFFSET || ins->inst_imm == METHOD_EXIT_IL_OFFSET) && ins != endfinally_seq_point) next [endfinally_seq_point->backend.size] = g_slist_append (next [endfinally_seq_point->backend.size], GUINT_TO_POINTER (ins->backend.size)); } } } } } if (cfg->verbose_level > 2) { printf ("\nSEQ POINT MAP: \n"); } for (i = 0; i < cfg->seq_points->len; ++i) { SeqPoint *sp = &info->seq_points [i]; GSList *l; int j, next_index; sp->next_len = g_slist_length (next [i]); sp->next = g_new (int, sp->next_len); j = 0; if (cfg->verbose_level > 2 && next [i]) { printf ("\tIL0x%x ->", sp->il_offset); for (l = next [i]; l; l = l->next) { next_index = GPOINTER_TO_UINT (l->data); printf (" IL0x%x", info->seq_points [next_index].il_offset); } printf ("\n"); } for (l = next [i]; l; l = l->next) { next_index = GPOINTER_TO_UINT (l->data); sp->next [j ++] = next_index; } g_slist_free (next [i]); } g_free (next); cfg->seq_point_info = info; // FIXME: dynamic methods if (!cfg->compile_aot) { mono_domain_lock (domain); // FIXME: How can the lookup succeed ? if (!g_hash_table_lookup (domain_jit_info (domain)->seq_points, cfg->method_to_register)) g_hash_table_insert (domain_jit_info (domain)->seq_points, cfg->method_to_register, info); mono_domain_unlock (domain); } g_ptr_array_free (cfg->seq_points, TRUE); cfg->seq_points = NULL; } void mono_codegen (MonoCompile *cfg) { MonoBasicBlock *bb; int max_epilog_size; guint8 *code; MonoDomain *code_domain; if (mono_using_xdebug) /* * Recent gdb versions have trouble processing symbol files containing * overlapping address ranges, so allocate all code from the code manager * of the root domain. (#666152). */ code_domain = mono_get_root_domain (); else code_domain = cfg->domain; #if defined(__native_client_codegen__) && defined(__native_client__) void *code_dest; /* This keeps patch targets from being transformed during * ordinary method compilation, for local branches and jumps. */ nacl_allow_target_modification (FALSE); #endif for (bb = cfg->bb_entry; bb; bb = bb->next_bb) { cfg->spill_count = 0; /* we reuse dfn here */ /* bb->dfn = bb_count++; */ mono_arch_lowering_pass (cfg, bb); if (cfg->opt & MONO_OPT_PEEPHOLE) mono_arch_peephole_pass_1 (cfg, bb); if (!cfg->globalra) mono_local_regalloc (cfg, bb); if (cfg->opt & MONO_OPT_PEEPHOLE) mono_arch_peephole_pass_2 (cfg, bb); } if (cfg->prof_options & MONO_PROFILE_COVERAGE) cfg->coverage_info = mono_profiler_coverage_alloc (cfg->method, cfg->num_bblocks); code = mono_arch_emit_prolog (cfg); if (cfg->prof_options & MONO_PROFILE_ENTER_LEAVE) code = mono_arch_instrument_prolog (cfg, mono_profiler_method_enter, code, FALSE); cfg->code_len = code - cfg->native_code; cfg->prolog_end = cfg->code_len; mono_debug_open_method (cfg); /* emit code all basic blocks */ for (bb = cfg->bb_entry; bb; bb = bb->next_bb) { bb->native_offset = cfg->code_len; bb->real_native_offset = cfg->code_len; //if ((bb == cfg->bb_entry) || !(bb->region == -1 && !bb->dfn)) mono_arch_output_basic_block (cfg, bb); bb->native_length = cfg->code_len - bb->native_offset; if (bb == cfg->bb_exit) { cfg->epilog_begin = cfg->code_len; if (cfg->prof_options & MONO_PROFILE_ENTER_LEAVE) { code = cfg->native_code + cfg->code_len; code = mono_arch_instrument_epilog (cfg, mono_profiler_method_leave, code, FALSE); cfg->code_len = code - cfg->native_code; g_assert (cfg->code_len < cfg->code_size); } mono_arch_emit_epilog (cfg); } } #ifdef __native_client_codegen__ mono_nacl_fix_patches (cfg->native_code, cfg->patch_info); #endif mono_arch_emit_exceptions (cfg); max_epilog_size = 0; /* we always allocate code in cfg->domain->code_mp to increase locality */ cfg->code_size = cfg->code_len + max_epilog_size; #ifdef __native_client_codegen__ cfg->code_size = NACL_BUNDLE_ALIGN_UP (cfg->code_size); #endif /* fixme: align to MONO_ARCH_CODE_ALIGNMENT */ if (cfg->method->dynamic) { guint unwindlen = 0; #ifdef MONO_ARCH_HAVE_UNWIND_TABLE unwindlen = mono_arch_unwindinfo_get_size (cfg->arch.unwindinfo); #endif /* Allocate the code into a separate memory pool so it can be freed */ cfg->dynamic_info = g_new0 (MonoJitDynamicMethodInfo, 1); cfg->dynamic_info->code_mp = mono_code_manager_new_dynamic (); mono_domain_lock (cfg->domain); mono_dynamic_code_hash_insert (cfg->domain, cfg->method, cfg->dynamic_info); mono_domain_unlock (cfg->domain); if (mono_using_xdebug) /* See the comment for cfg->code_domain */ code = mono_domain_code_reserve (code_domain, cfg->code_size + unwindlen); else code = mono_code_manager_reserve (cfg->dynamic_info->code_mp, cfg->code_size + unwindlen); } else { guint unwindlen = 0; #ifdef MONO_ARCH_HAVE_UNWIND_TABLE unwindlen = mono_arch_unwindinfo_get_size (cfg->arch.unwindinfo); #endif code = mono_domain_code_reserve (code_domain, cfg->code_size + unwindlen); } #if defined(__native_client_codegen__) && defined(__native_client__) nacl_allow_target_modification (TRUE); #endif g_assert (code); memcpy (code, cfg->native_code, cfg->code_len); #if defined(__default_codegen__) g_free (cfg->native_code); #elif defined(__native_client_codegen__) if (cfg->native_code_alloc) { g_free (cfg->native_code_alloc); cfg->native_code_alloc = 0; } else if (cfg->native_code) { g_free (cfg->native_code); } #endif /* __native_client_codegen__ */ cfg->native_code = code; code = cfg->native_code + cfg->code_len; /* g_assert (((int)cfg->native_code & (MONO_ARCH_CODE_ALIGNMENT - 1)) == 0); */ mono_postprocess_patches (cfg); #ifdef VALGRIND_JIT_REGISTER_MAP if (valgrind_register){ char* nm = mono_method_full_name (cfg->method, TRUE); VALGRIND_JIT_REGISTER_MAP (nm, cfg->native_code, cfg->native_code + cfg->code_len); g_free (nm); } #endif if (cfg->verbose_level > 0) { char* nm = mono_method_full_name (cfg->method, TRUE); g_print ("Method %s emitted at %p to %p (code length %d) [%s]\n", nm, cfg->native_code, cfg->native_code + cfg->code_len, cfg->code_len, cfg->domain->friendly_name); g_free (nm); } { gboolean is_generic = FALSE; if (cfg->method->is_inflated || mono_method_get_generic_container (cfg->method) || cfg->method->klass->generic_container || cfg->method->klass->generic_class) { is_generic = TRUE; } if (cfg->generic_sharing_context) g_assert (is_generic); } #ifdef MONO_ARCH_HAVE_SAVE_UNWIND_INFO mono_arch_save_unwind_info (cfg); #endif #if defined(__native_client_codegen__) && defined(__native_client__) if (!cfg->compile_aot) { if (cfg->method->dynamic) { code_dest = nacl_code_manager_get_code_dest(cfg->dynamic_info->code_mp, cfg->native_code); } else { code_dest = nacl_domain_get_code_dest(cfg->domain, cfg->native_code); } } #endif #if defined(__native_client_codegen__) mono_nacl_fix_patches (cfg->native_code, cfg->patch_info); #endif mono_arch_patch_code (cfg->method, cfg->domain, cfg->native_code, cfg->patch_info, cfg->dynamic_info ? cfg->dynamic_info->code_mp : NULL, cfg->run_cctors); if (cfg->method->dynamic) { if (mono_using_xdebug) mono_domain_code_commit (code_domain, cfg->native_code, cfg->code_size, cfg->code_len); else mono_code_manager_commit (cfg->dynamic_info->code_mp, cfg->native_code, cfg->code_size, cfg->code_len); } else { mono_domain_code_commit (code_domain, cfg->native_code, cfg->code_size, cfg->code_len); } #if defined(__native_client_codegen__) && defined(__native_client__) cfg->native_code = code_dest; #endif mono_profiler_code_buffer_new (cfg->native_code, cfg->code_len, MONO_PROFILER_CODE_BUFFER_METHOD, cfg->method); mono_arch_flush_icache (cfg->native_code, cfg->code_len); mono_debug_close_method (cfg); #ifdef MONO_ARCH_HAVE_UNWIND_TABLE mono_arch_unwindinfo_install_unwind_info (&cfg->arch.unwindinfo, cfg->native_code, cfg->code_len); #endif } static void compute_reachable (MonoBasicBlock *bb) { int i; if (!(bb->flags & BB_VISITED)) { bb->flags |= BB_VISITED; for (i = 0; i < bb->out_count; ++i) compute_reachable (bb->out_bb [i]); } } static void mono_handle_out_of_line_bblock (MonoCompile *cfg) { MonoBasicBlock *bb; for (bb = cfg->bb_entry; bb; bb = bb->next_bb) { if (bb->next_bb && bb->next_bb->out_of_line && bb->last_ins && !MONO_IS_BRANCH_OP (bb->last_ins)) { MonoInst *ins; MONO_INST_NEW (cfg, ins, OP_BR); MONO_ADD_INS (bb, ins); ins->inst_target_bb = bb->next_bb; } } } #endif /* #ifndef DISABLE_JIT */ static MonoJitInfo* create_jit_info_for_trampoline (MonoMethod *wrapper, MonoTrampInfo *info) { MonoDomain *domain = mono_get_root_domain (); MonoJitInfo *jinfo; guint8 *uw_info; guint32 info_len; if (info->uw_info) { uw_info = info->uw_info; info_len = info->uw_info_len; } else { uw_info = mono_unwind_ops_encode (info->unwind_ops, &info_len); } jinfo = mono_domain_alloc0 (domain, MONO_SIZEOF_JIT_INFO); jinfo->d.method = wrapper; jinfo->code_start = info->code; jinfo->code_size = info->code_size; jinfo->used_regs = mono_cache_unwind_info (uw_info, info_len); return jinfo; } #ifndef DISABLE_JIT static MonoJitInfo* create_jit_info (MonoCompile *cfg, MonoMethod *method_to_compile) { GSList *tmp; MonoMethodHeader *header; MonoJitInfo *jinfo; int num_clauses; int generic_info_size, arch_eh_info_size = 0; int holes_size = 0, num_holes = 0, cas_size = 0; guint32 stack_size = 0; g_assert (method_to_compile == cfg->method); header = cfg->header; if (cfg->generic_sharing_context) generic_info_size = sizeof (MonoGenericJitInfo); else generic_info_size = 0; if (cfg->arch_eh_jit_info) { MonoJitArgumentInfo *arg_info; MonoMethodSignature *sig = mono_method_signature (cfg->method_to_register); /* * This cannot be computed during stack walking, as * mono_arch_get_argument_info () is not signal safe. */ arg_info = g_newa (MonoJitArgumentInfo, sig->param_count + 1); stack_size = mono_arch_get_argument_info (cfg->generic_sharing_context, sig, sig->param_count, arg_info); if (stack_size) arch_eh_info_size = sizeof (MonoArchEHJitInfo); } if (cfg->try_block_holes) { for (tmp = cfg->try_block_holes; tmp; tmp = tmp->next) { TryBlockHole *hole = tmp->data; MonoExceptionClause *ec = hole->clause; int hole_end = hole->basic_block->native_offset + hole->basic_block->native_length; MonoBasicBlock *clause_last_bb = cfg->cil_offset_to_bb [ec->try_offset + ec->try_len]; g_assert (clause_last_bb); /* Holes at the end of a try region can be represented by simply reducing the size of the block itself.*/ if (clause_last_bb->native_offset != hole_end) ++num_holes; } if (num_holes) holes_size = sizeof (MonoTryBlockHoleTableJitInfo) + num_holes * sizeof (MonoTryBlockHoleJitInfo); if (G_UNLIKELY (cfg->verbose_level >= 4)) printf ("Number of try block holes %d\n", num_holes); } if (mono_security_method_has_declsec (cfg->method_to_register)) { cas_size = sizeof (MonoMethodCasInfo); } if (COMPILE_LLVM (cfg)) num_clauses = cfg->llvm_ex_info_len; else num_clauses = header->num_clauses; if (cfg->method->dynamic) { jinfo = g_malloc0 (MONO_SIZEOF_JIT_INFO + (num_clauses * sizeof (MonoJitExceptionInfo)) + generic_info_size + holes_size + arch_eh_info_size + cas_size); } else { jinfo = mono_domain_alloc0 (cfg->domain, MONO_SIZEOF_JIT_INFO + (num_clauses * sizeof (MonoJitExceptionInfo)) + generic_info_size + holes_size + arch_eh_info_size + cas_size); } jinfo->d.method = cfg->method_to_register; jinfo->code_start = cfg->native_code; jinfo->code_size = cfg->code_len; jinfo->used_regs = cfg->used_int_regs; jinfo->domain_neutral = (cfg->opt & MONO_OPT_SHARED) != 0; jinfo->num_clauses = num_clauses; if (COMPILE_LLVM (cfg)) jinfo->from_llvm = TRUE; if (cfg->generic_sharing_context) { MonoInst *inst; MonoGenericJitInfo *gi; GSList *loclist = NULL; jinfo->has_generic_jit_info = 1; gi = mono_jit_info_get_generic_jit_info (jinfo); g_assert (gi); if (cfg->method->dynamic) gi->generic_sharing_context = g_new0 (MonoGenericSharingContext, 1); else gi->generic_sharing_context = mono_domain_alloc0 (cfg->domain, sizeof (MonoGenericSharingContext)); memcpy (gi->generic_sharing_context, cfg->generic_sharing_context, sizeof (MonoGenericSharingContext)); if ((method_to_compile->flags & METHOD_ATTRIBUTE_STATIC) || mini_method_get_context (method_to_compile)->method_inst || method_to_compile->klass->valuetype) { g_assert (cfg->rgctx_var); } gi->has_this = 1; if ((method_to_compile->flags & METHOD_ATTRIBUTE_STATIC) || mini_method_get_context (method_to_compile)->method_inst || method_to_compile->klass->valuetype) { inst = cfg->rgctx_var; if (!COMPILE_LLVM (cfg)) g_assert (inst->opcode == OP_REGOFFSET); loclist = cfg->rgctx_loclist; } else { inst = cfg->args [0]; loclist = cfg->this_loclist; } if (loclist) { /* Needed to handle async exceptions */ GSList *l; int i; gi->nlocs = g_slist_length (loclist); if (cfg->method->dynamic) gi->locations = g_malloc0 (gi->nlocs * sizeof (MonoDwarfLocListEntry)); else gi->locations = mono_domain_alloc0 (cfg->domain, gi->nlocs * sizeof (MonoDwarfLocListEntry)); i = 0; for (l = loclist; l; l = l->next) { memcpy (&(gi->locations [i]), l->data, sizeof (MonoDwarfLocListEntry)); i ++; } } if (COMPILE_LLVM (cfg)) { g_assert (cfg->llvm_this_reg != -1); gi->this_in_reg = 0; gi->this_reg = cfg->llvm_this_reg; gi->this_offset = cfg->llvm_this_offset; } else if (inst->opcode == OP_REGVAR) { gi->this_in_reg = 1; gi->this_reg = inst->dreg; } else { g_assert (inst->opcode == OP_REGOFFSET); #ifdef TARGET_X86 g_assert (inst->inst_basereg == X86_EBP); #elif defined(TARGET_AMD64) g_assert (inst->inst_basereg == X86_EBP || inst->inst_basereg == X86_ESP); #endif g_assert (inst->inst_offset >= G_MININT32 && inst->inst_offset <= G_MAXINT32); gi->this_in_reg = 0; gi->this_reg = inst->inst_basereg; gi->this_offset = inst->inst_offset; } } if (num_holes) { MonoTryBlockHoleTableJitInfo *table; int i; jinfo->has_try_block_holes = 1; table = mono_jit_info_get_try_block_hole_table_info (jinfo); table->num_holes = (guint16)num_holes; i = 0; for (tmp = cfg->try_block_holes; tmp; tmp = tmp->next) { guint32 start_bb_offset; MonoTryBlockHoleJitInfo *hole; TryBlockHole *hole_data = tmp->data; MonoExceptionClause *ec = hole_data->clause; int hole_end = hole_data->basic_block->native_offset + hole_data->basic_block->native_length; MonoBasicBlock *clause_last_bb = cfg->cil_offset_to_bb [ec->try_offset + ec->try_len]; g_assert (clause_last_bb); /* Holes at the end of a try region can be represented by simply reducing the size of the block itself.*/ if (clause_last_bb->native_offset == hole_end) continue; start_bb_offset = hole_data->start_offset - hole_data->basic_block->native_offset; hole = &table->holes [i++]; hole->clause = hole_data->clause - &header->clauses [0]; hole->offset = (guint32)hole_data->start_offset; hole->length = (guint16)(hole_data->basic_block->native_length - start_bb_offset); if (G_UNLIKELY (cfg->verbose_level >= 4)) printf ("\tTry block hole at eh clause %d offset %x length %x\n", hole->clause, hole->offset, hole->length); } g_assert (i == num_holes); } if (arch_eh_info_size) { MonoArchEHJitInfo *info; jinfo->has_arch_eh_info = 1; info = mono_jit_info_get_arch_eh_info (jinfo); info->stack_size = stack_size; } if (cas_size) { jinfo->has_cas_info = 1; } if (COMPILE_LLVM (cfg)) { if (num_clauses) memcpy (&jinfo->clauses [0], &cfg->llvm_ex_info [0], num_clauses * sizeof (MonoJitExceptionInfo)); } else if (header->num_clauses) { int i; for (i = 0; i < header->num_clauses; i++) { MonoExceptionClause *ec = &header->clauses [i]; MonoJitExceptionInfo *ei = &jinfo->clauses [i]; MonoBasicBlock *tblock; MonoInst *exvar; ei->flags = ec->flags; exvar = mono_find_exvar_for_offset (cfg, ec->handler_offset); ei->exvar_offset = exvar ? exvar->inst_offset : 0; if (ei->flags == MONO_EXCEPTION_CLAUSE_FILTER) { tblock = cfg->cil_offset_to_bb [ec->data.filter_offset]; g_assert (tblock); ei->data.filter = cfg->native_code + tblock->native_offset; } else { ei->data.catch_class = ec->data.catch_class; } tblock = cfg->cil_offset_to_bb [ec->try_offset]; g_assert (tblock); g_assert (tblock->native_offset); ei->try_start = cfg->native_code + tblock->native_offset; if (tblock->extend_try_block) { /* * Extend the try block backwards to include parts of the previous call * instruction. */ ei->try_start = (guint8*)ei->try_start - MONO_ARCH_MONITOR_ENTER_ADJUSTMENT; } tblock = cfg->cil_offset_to_bb [ec->try_offset + ec->try_len]; g_assert (tblock); if (!tblock->native_offset) { int j, end; for (j = ec->try_offset + ec->try_len, end = ec->try_offset; j >= end; --j) { MonoBasicBlock *bb = cfg->cil_offset_to_bb [j]; if (bb && bb->native_offset) { tblock = bb; break; } } } ei->try_end = cfg->native_code + tblock->native_offset; g_assert (tblock->native_offset); tblock = cfg->cil_offset_to_bb [ec->handler_offset]; g_assert (tblock); ei->handler_start = cfg->native_code + tblock->native_offset; for (tmp = cfg->try_block_holes; tmp; tmp = tmp->next) { TryBlockHole *hole = tmp->data; gpointer hole_end = cfg->native_code + (hole->basic_block->native_offset + hole->basic_block->native_length); if (hole->clause == ec && hole_end == ei->try_end) { if (G_UNLIKELY (cfg->verbose_level >= 4)) printf ("\tShortening try block %d from %x to %x\n", i, (int)((guint8*)ei->try_end - cfg->native_code), hole->start_offset); ei->try_end = cfg->native_code + hole->start_offset; break; } } if (ec->flags == MONO_EXCEPTION_CLAUSE_FINALLY) { int end_offset; if (ec->handler_offset + ec->handler_len < header->code_size) { tblock = cfg->cil_offset_to_bb [ec->handler_offset + ec->handler_len]; if (tblock->native_offset) { end_offset = tblock->native_offset; } else { int j, end; for (j = ec->handler_offset + ec->handler_len, end = ec->handler_offset; j >= end; --j) { MonoBasicBlock *bb = cfg->cil_offset_to_bb [j]; if (bb && bb->native_offset) { tblock = bb; break; } } end_offset = tblock->native_offset + tblock->native_length; } } else { end_offset = cfg->epilog_begin; } ei->data.handler_end = cfg->native_code + end_offset; } } } if (G_UNLIKELY (cfg->verbose_level >= 4)) { int i; for (i = 0; i < jinfo->num_clauses; i++) { MonoJitExceptionInfo *ei = &jinfo->clauses [i]; int start = (guint8*)ei->try_start - cfg->native_code; int end = (guint8*)ei->try_end - cfg->native_code; int handler = (guint8*)ei->handler_start - cfg->native_code; int handler_end = (guint8*)ei->data.handler_end - cfg->native_code; printf ("JitInfo EH clause %d flags %x try %x-%x handler %x-%x\n", i, ei->flags, start, end, handler, handler_end); } } /* * Its possible to generate dwarf unwind info for xdebug etc, but not actually * using it during runtime, hence the define. */ if (cfg->encoded_unwind_ops) { jinfo->used_regs = mono_cache_unwind_info (cfg->encoded_unwind_ops, cfg->encoded_unwind_ops_len); g_free (cfg->encoded_unwind_ops); } else if (cfg->unwind_ops) { guint32 info_len; guint8 *unwind_info = mono_unwind_ops_encode (cfg->unwind_ops, &info_len); jinfo->used_regs = mono_cache_unwind_info (unwind_info, info_len); g_free (unwind_info); } return jinfo; } #endif static MonoType* get_gsharedvt_type (MonoType *t) { MonoGenericParam *par = t->data.generic_param; MonoGenericParam *copy; MonoType *res; MonoImage *image = NULL; /* * Create an anonymous gparam with a different serial so normal gshared and gsharedvt methods have * a different instantiation. */ g_assert (mono_generic_param_info (par)); if (par->owner) { image = par->owner->image; mono_image_lock (image); if (!image->gsharedvt_types) image->gsharedvt_types = g_hash_table_new (NULL, NULL); res = g_hash_table_lookup (image->gsharedvt_types, par); mono_image_unlock (image); if (res) return res; copy = mono_image_alloc0 (image, sizeof (MonoGenericParamFull)); memcpy (copy, par, sizeof (MonoGenericParamFull)); } else { copy = g_memdup (par, sizeof (MonoGenericParamFull)); } copy->owner = NULL; // FIXME: copy->image = mono_defaults.corlib; copy->serial = 1; res = mono_metadata_type_dup (NULL, t); res->data.generic_param = copy; if (par->owner) { mono_image_lock (image); /* Duplicates are ok */ g_hash_table_insert (image->gsharedvt_types, par, res); mono_image_unlock (image); } return res; } static gboolean is_gsharedvt_type (MonoType *t) { return (t->type == MONO_TYPE_VAR || t->type == MONO_TYPE_MVAR) && t->data.generic_param->serial == 1; } /* Return whenever METHOD is a gsharedvt method */ static gboolean is_gsharedvt_method (MonoMethod *method) { MonoGenericContext *context; MonoGenericInst *inst; int i; if (!method->is_inflated) return FALSE; context = mono_method_get_context (method); inst = context->class_inst; if (inst) { for (i = 0; i < inst->type_argc; ++i) if (is_gsharedvt_type (inst->type_argv [i])) return TRUE; } inst = context->method_inst; if (inst) { for (i = 0; i < inst->type_argc; ++i) if (is_gsharedvt_type (inst->type_argv [i])) return TRUE; } return FALSE; } static gboolean is_open_method (MonoMethod *method) { MonoGenericContext *context; if (!method->is_inflated) return FALSE; context = mono_method_get_context (method); if (context->class_inst && context->class_inst->is_open) return TRUE; if (context->method_inst && context->method_inst->is_open) return TRUE; return FALSE; } static MonoGenericInst* get_shared_inst (MonoGenericInst *inst, MonoGenericInst *shared_inst, MonoGenericContainer *container, gboolean all_vt, gboolean gsharedvt) { MonoGenericInst *res; MonoType **type_argv; int i; type_argv = g_new0 (MonoType*, inst->type_argc); for (i = 0; i < inst->type_argc; ++i) { if (!all_vt && (MONO_TYPE_IS_REFERENCE (inst->type_argv [i]) || inst->type_argv [i]->type == MONO_TYPE_VAR || inst->type_argv [i]->type == MONO_TYPE_MVAR)) { type_argv [i] = shared_inst->type_argv [i]; } else if (all_vt) { type_argv [i] = get_gsharedvt_type (shared_inst->type_argv [i]); } else if (gsharedvt) { type_argv [i] = get_gsharedvt_type (shared_inst->type_argv [i]); } else { type_argv [i] = inst->type_argv [i]; } } res = mono_metadata_get_generic_inst (inst->type_argc, type_argv); g_free (type_argv); return res; } /* * mini_get_shared_method_full: * * Return the method which is actually compiled/registered when doing generic sharing. * If ALL_VT is true, return the shared method belonging to an all-vtype instantiation. * If IS_GSHAREDVT is true, treat METHOD as a gsharedvt method even if it fails some constraints. * METHOD can be a non-inflated generic method. */ MonoMethod* mini_get_shared_method_full (MonoMethod *method, gboolean all_vt, gboolean is_gsharedvt) { MonoGenericContext shared_context; MonoMethod *declaring_method, *res; gboolean partial = FALSE; gboolean gsharedvt = FALSE; MonoGenericContainer *class_container, *method_container = NULL; if (method->is_generic || (method->klass->generic_container && !method->is_inflated)) { declaring_method = method; } else { declaring_method = mono_method_get_declaring_generic_method (method); } if (declaring_method->is_generic) shared_context = mono_method_get_generic_container (declaring_method)->context; else shared_context = declaring_method->klass->generic_container->context; /* Handle gsharedvt/partial sharing */ if ((method != declaring_method && method->is_inflated && !mono_method_is_generic_sharable_full (method, FALSE, FALSE, TRUE)) || is_gsharedvt || mini_is_gsharedvt_sharable_method (method)) { MonoGenericContext *context = mono_method_get_context (method); MonoGenericInst *inst; partial = mono_method_is_generic_sharable_full (method, FALSE, TRUE, FALSE); gsharedvt = is_gsharedvt || (!partial && mini_is_gsharedvt_sharable_method (method)); class_container = declaring_method->klass->generic_container; method_container = mono_method_get_generic_container (declaring_method); /* * Create the shared context by replacing the ref type arguments with * type parameters, and keeping the rest. */ if (context) inst = context->class_inst; else inst = shared_context.class_inst; if (inst) shared_context.class_inst = get_shared_inst (inst, shared_context.class_inst, class_container, all_vt, gsharedvt); if (context) inst = context->method_inst; else inst = shared_context.method_inst; if (inst) shared_context.method_inst = get_shared_inst (inst, shared_context.method_inst, method_container, all_vt, gsharedvt); partial = TRUE; } res = mono_class_inflate_generic_method (declaring_method, &shared_context); if (!partial) { /* The result should be an inflated method whose parent is not inflated */ g_assert (!res->klass->is_inflated); } return res; } MonoMethod* mini_get_shared_method (MonoMethod *method) { return mini_get_shared_method_full (method, FALSE, FALSE); } void mini_init_gsctx (MonoGenericContext *context, MonoGenericSharingContext *gsctx) { MonoGenericInst *inst; int i; memset (gsctx, 0, sizeof (MonoGenericSharingContext)); if (context->class_inst) { inst = context->class_inst; 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 ((type->type == MONO_TYPE_VAR || type->type == MONO_TYPE_MVAR) && type->data.generic_param->serial == 1) gsctx->var_is_vt [i] = TRUE; } } if (context->method_inst) { inst = context->method_inst; 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 ((type->type == MONO_TYPE_VAR || type->type == MONO_TYPE_MVAR) && type->data.generic_param->serial == 1) gsctx->mvar_is_vt [i] = TRUE; } } } #ifndef DISABLE_JIT /* * mini_method_compile: * @method: the method to compile * @opts: the optimization flags to use * @domain: the domain where the method will be compiled in * @flags: compilation flags * @parts: debug flag * * Returns: a MonoCompile* pointer. Caller must check the exception_type * field in the returned struct to see if compilation succeded. */ MonoCompile* mini_method_compile (MonoMethod *method, guint32 opts, MonoDomain *domain, JitFlags flags, int parts) { MonoMethodHeader *header; MonoMethodSignature *sig; MonoError err; guint8 *ip; MonoCompile *cfg; int dfn, i, code_size_ratio; gboolean deadce_has_run = FALSE; gboolean try_generic_shared, try_llvm = FALSE; MonoMethod *method_to_compile, *method_to_register; gboolean method_is_gshared = FALSE; gboolean run_cctors = (flags & JIT_FLAG_RUN_CCTORS) ? 1 : 0; gboolean compile_aot = (flags & JIT_FLAG_AOT) ? 1 : 0; gboolean full_aot = (flags & JIT_FLAG_FULL_AOT) ? 1 : 0; InterlockedIncrement (&mono_jit_stats.methods_compiled); if (mono_profiler_get_events () & MONO_PROFILE_JIT_COMPILATION) mono_profiler_method_jit (method); if (MONO_METHOD_COMPILE_BEGIN_ENABLED ()) MONO_PROBE_METHOD_COMPILE_BEGIN (method); if (compile_aot) /* * We might get passed the original generic method definition or * instances with type parameters. * FIXME: Remove the method->klass->generic_class limitation. */ try_generic_shared = mono_class_generic_sharing_enabled (method->klass) && (opts & MONO_OPT_GSHARED) && ((method->is_generic || method->klass->generic_container) || (!method->klass->generic_class && mono_method_is_generic_sharable_full (method, TRUE, FALSE, FALSE))); else try_generic_shared = mono_class_generic_sharing_enabled (method->klass) && (opts & MONO_OPT_GSHARED) && mono_method_is_generic_sharable (method, FALSE); if (opts & MONO_OPT_GSHARED) { if (try_generic_shared) mono_stats.generics_sharable_methods++; else if (mono_method_is_generic_impl (method)) mono_stats.generics_unsharable_methods++; } if (mini_is_gsharedvt_sharable_method (method)) { if (!mono_debug_count ()) try_generic_shared = FALSE; if (compile_aot) try_generic_shared = FALSE; } if (is_gsharedvt_method (method) || (compile_aot && is_open_method (method))) { /* We are AOTing a gshared method directly */ method_is_gshared = TRUE; g_assert (compile_aot); try_generic_shared = TRUE; } #ifdef ENABLE_LLVM try_llvm = mono_use_llvm; #endif restart_compile: if (method_is_gshared) { method_to_compile = method; } else { if (try_generic_shared) { method_to_compile = mini_get_shared_method (method); g_assert (method_to_compile); } else { method_to_compile = method; } } cfg = g_new0 (MonoCompile, 1); cfg->method = method_to_compile; cfg->header = mono_method_get_header (cfg->method); cfg->mempool = mono_mempool_new (); cfg->opt = opts; cfg->prof_options = mono_profiler_get_events (); cfg->run_cctors = run_cctors; cfg->domain = domain; cfg->verbose_level = mini_verbose; cfg->compile_aot = compile_aot; cfg->full_aot = full_aot; cfg->skip_visibility = method->skip_visibility; cfg->orig_method = method; cfg->gen_seq_points = debug_options.gen_seq_points; cfg->explicit_null_checks = debug_options.explicit_null_checks; cfg->soft_breakpoints = debug_options.soft_breakpoints; if (try_generic_shared) cfg->generic_sharing_context = (MonoGenericSharingContext*)&cfg->gsctx; cfg->compile_llvm = try_llvm; cfg->token_info_hash = g_hash_table_new (NULL, NULL); if (cfg->gen_seq_points) cfg->seq_points = g_ptr_array_new (); if (cfg->compile_aot && !try_generic_shared && (method->is_generic || method->klass->generic_container || method_is_gshared)) { cfg->exception_type = MONO_EXCEPTION_GENERIC_SHARING_FAILED; return cfg; } if (cfg->generic_sharing_context && (mini_is_gsharedvt_sharable_method (method) || method_is_gshared)) { MonoMethodInflated *inflated; MonoGenericContext *context; // FIXME: Free the contents of gsctx if compilation fails if (method_is_gshared) { g_assert (method->is_inflated); inflated = (MonoMethodInflated*)method; context = &inflated->context; /* We are compiling a gsharedvt method directly */ g_assert (compile_aot); } else { g_assert (method_to_compile->is_inflated); inflated = (MonoMethodInflated*)method_to_compile; context = &inflated->context; } mini_init_gsctx (context, &cfg->gsctx); cfg->gsharedvt = TRUE; // FIXME: cfg->disable_llvm = TRUE; } if (cfg->generic_sharing_context) { method_to_register = method_to_compile; } else { g_assert (method == method_to_compile); method_to_register = method; } cfg->method_to_register = method_to_register; mono_error_init (&err); sig = mono_method_signature_checked (cfg->method, &err); if (!sig) { cfg->exception_type = MONO_EXCEPTION_TYPE_LOAD; cfg->exception_message = g_strdup (mono_error_get_message (&err)); mono_error_cleanup (&err); if (MONO_METHOD_COMPILE_END_ENABLED ()) MONO_PROBE_METHOD_COMPILE_END (method, FALSE); return cfg; } header = cfg->header; if (!header) { MonoLoaderError *error; if ((error = mono_loader_get_last_error ())) { cfg->exception_type = error->exception_type; } else { cfg->exception_type = MONO_EXCEPTION_INVALID_PROGRAM; cfg->exception_message = g_strdup_printf ("Missing or incorrect header for method %s", cfg->method->name); } if (MONO_METHOD_COMPILE_END_ENABLED ()) MONO_PROBE_METHOD_COMPILE_END (method, FALSE); return cfg; } #ifdef ENABLE_LLVM { static gboolean inited; if (!inited) { inited = TRUE; } /* * Check for methods which cannot be compiled by LLVM early, to avoid * the extra compilation pass. */ if (COMPILE_LLVM (cfg)) { mono_llvm_check_method_supported (cfg); if (cfg->disable_llvm) { if (cfg->verbose_level >= 1) { //nm = mono_method_full_name (cfg->method, TRUE); printf ("LLVM failed for '%s': %s\n", method->name, cfg->exception_message); //g_free (nm); } mono_destroy_compile (cfg); try_llvm = FALSE; goto restart_compile; } } } #endif /* The debugger has no liveness information, so avoid sharing registers/stack slots */ if (debug_options.mdb_optimizations) { cfg->disable_reuse_registers = TRUE; cfg->disable_reuse_stack_slots = TRUE; /* * This decreases the change the debugger will read registers/stack slots which are * not yet initialized. */ cfg->disable_initlocals_opt = TRUE; cfg->extend_live_ranges = TRUE; /* Temporarily disable this when running in the debugger until we have support * for this in the debugger. */ /* This is no longer needed with sdb */ //cfg->disable_omit_fp = TRUE; /* The debugger needs all locals to be on the stack or in a global register */ cfg->disable_vreg_to_lvreg = TRUE; /* Don't remove unused variables when running inside the debugger since the user * may still want to view them. */ cfg->disable_deadce_vars = TRUE; // cfg->opt |= MONO_OPT_SHARED; cfg->opt &= ~MONO_OPT_DEADCE; cfg->opt &= ~MONO_OPT_INLINE; cfg->opt &= ~MONO_OPT_COPYPROP; cfg->opt &= ~MONO_OPT_CONSPROP; /* This is no longer needed with sdb */ //cfg->opt &= ~MONO_OPT_GSHARED; /* This is needed for the soft debugger, which doesn't like code after the epilog */ cfg->disable_out_of_line_bblocks = TRUE; } if (mono_using_xdebug) { /* * Make each variable use its own register/stack slot and extend * their liveness to cover the whole method, making them displayable * in gdb even after they are dead. */ cfg->disable_reuse_registers = TRUE; cfg->disable_reuse_stack_slots = TRUE; cfg->extend_live_ranges = TRUE; cfg->compute_precise_live_ranges = TRUE; } mini_gc_init_cfg (cfg); if (COMPILE_LLVM (cfg)) { cfg->opt |= MONO_OPT_ABCREM; } if (g_getenv ("MONO_VERBOSE_METHOD")) { const char *name = g_getenv ("MONO_VERBOSE_METHOD"); if ((strchr (name, '.') > name) || strchr (name, ':')) { MonoMethodDesc *desc; desc = mono_method_desc_new (name, TRUE); if (mono_method_desc_full_match (desc, cfg->method)) { cfg->verbose_level = 4; } mono_method_desc_free (desc); } else { if (strcmp (cfg->method->name, g_getenv ("MONO_VERBOSE_METHOD")) == 0) cfg->verbose_level = 4; } } ip = (guint8 *)header->code; cfg->intvars = mono_mempool_alloc0 (cfg->mempool, sizeof (guint16) * STACK_MAX * header->max_stack); if (cfg->verbose_level > 0) { char *method_name; method_name = mono_method_full_name (method, TRUE); g_print ("converting %s%s%smethod %s\n", COMPILE_LLVM (cfg) ? "llvm " : "", cfg->gsharedvt ? "gsharedvt " : "", (cfg->generic_sharing_context && !cfg->gsharedvt) ? "gshared " : "", method_name); /* if (COMPILE_LLVM (cfg)) g_print ("converting llvm method %s\n", method_name = mono_method_full_name (method, TRUE)); else if (cfg->gsharedvt) g_print ("converting gsharedvt method %s\n", method_name = mono_method_full_name (method_to_compile, TRUE)); else if (cfg->generic_sharing_context) g_print ("converting shared method %s\n", method_name = mono_method_full_name (method_to_compile, TRUE)); else g_print ("converting method %s\n", method_name = mono_method_full_name (method, TRUE)); */ g_free (method_name); } if (cfg->opt & (MONO_OPT_ABCREM | MONO_OPT_SSAPRE)) cfg->opt |= MONO_OPT_SSA; /* if ((cfg->method->klass->image != mono_defaults.corlib) || (strstr (cfg->method->klass->name, "StackOverflowException") && strstr (cfg->method->name, ".ctor")) || (strstr (cfg->method->klass->name, "OutOfMemoryException") && strstr (cfg->method->name, ".ctor"))) cfg->globalra = TRUE; */ //cfg->globalra = TRUE; //if (!strcmp (cfg->method->klass->name, "Tests") && !cfg->method->wrapper_type) // cfg->globalra = TRUE; { static int count = 0; count ++; /* if (g_getenv ("COUNT2")) { cfg->globalra = TRUE; if (count == atoi (g_getenv ("COUNT2"))) printf ("LAST: %s\n", mono_method_full_name (cfg->method, TRUE)); if (count > atoi (g_getenv ("COUNT2"))) cfg->globalra = FALSE; } */ } if (header->clauses) cfg->globalra = FALSE; if (cfg->method->wrapper_type == MONO_WRAPPER_NATIVE_TO_MANAGED) /* The code in the prolog clobbers caller saved registers */ cfg->globalra = FALSE; // FIXME: Disable globalra in case of tracing/profiling if (cfg->method->save_lmf) /* The LMF saving code might clobber caller saved registers */ cfg->globalra = FALSE; if (header->code_size > 5000) // FIXME: /* Too large bblocks could overflow the ins positions */ cfg->globalra = FALSE; cfg->rs = mono_regstate_new (); if (cfg->globalra) cfg->rs->next_vreg = MONO_MAX_IREGS + MONO_MAX_FREGS; cfg->next_vreg = cfg->rs->next_vreg; /* FIXME: Fix SSA to handle branches inside bblocks */ if (cfg->opt & MONO_OPT_SSA) cfg->enable_extended_bblocks = FALSE; /* * FIXME: This confuses liveness analysis because variables which are assigned after * a branch inside a bblock become part of the kill set, even though the assignment * might not get executed. This causes the optimize_initlocals pass to delete some * assignments which are needed. * Also, the mono_if_conversion pass needs to be modified to recognize the code * created by this. */ //cfg->enable_extended_bblocks = TRUE; /*We must verify the method before doing any IR generation as mono_compile_create_vars can assert.*/ if (mono_compile_is_broken (cfg, cfg->method, TRUE)) { if (mini_get_debug_options ()->break_on_unverified) G_BREAKPOINT (); return cfg; } /* * create MonoInst* which represents arguments and local variables */ mono_compile_create_vars (cfg); /* SSAPRE is not supported on linear IR */ cfg->opt &= ~MONO_OPT_SSAPRE; i = mono_method_to_ir (cfg, method_to_compile, NULL, NULL, NULL, NULL, NULL, 0, FALSE); if (i < 0) { if (try_generic_shared && cfg->exception_type == MONO_EXCEPTION_GENERIC_SHARING_FAILED) { if (compile_aot) { if (MONO_METHOD_COMPILE_END_ENABLED ()) MONO_PROBE_METHOD_COMPILE_END (method, FALSE); return cfg; } mono_destroy_compile (cfg); try_generic_shared = FALSE; goto restart_compile; } g_assert (cfg->exception_type != MONO_EXCEPTION_GENERIC_SHARING_FAILED); if (MONO_METHOD_COMPILE_END_ENABLED ()) MONO_PROBE_METHOD_COMPILE_END (method, FALSE); /* cfg contains the details of the failure, so let the caller cleanup */ return cfg; } cfg->stat_basic_blocks += cfg->num_bblocks; if (COMPILE_LLVM (cfg)) { MonoInst *ins; /* The IR has to be in SSA form for LLVM */ cfg->opt |= MONO_OPT_SSA; // FIXME: if (cfg->ret) { // Allow SSA on the result value cfg->ret->flags &= ~MONO_INST_VOLATILE; // Add an explicit return instruction referencing the return value MONO_INST_NEW (cfg, ins, OP_SETRET); ins->sreg1 = cfg->ret->dreg; MONO_ADD_INS (cfg->bb_exit, ins); } cfg->opt &= ~MONO_OPT_LINEARS; /* FIXME: */ cfg->opt &= ~MONO_OPT_BRANCH; } /* todo: remove code when we have verified that the liveness for try/catch blocks * works perfectly */ /* * Currently, this can't be commented out since exception blocks are not * processed during liveness analysis. * It is also needed, because otherwise the local optimization passes would * delete assignments in cases like this: * r1 <- 1 * * r1 <- 2 * This also allows SSA to be run on methods containing exception clauses, since * SSA will ignore variables marked VOLATILE. */ mono_liveness_handle_exception_clauses (cfg); mono_handle_out_of_line_bblock (cfg); /*g_print ("numblocks = %d\n", cfg->num_bblocks);*/ if (!COMPILE_LLVM (cfg)) mono_decompose_long_opts (cfg); /* Should be done before branch opts */ if (cfg->opt & (MONO_OPT_CONSPROP | MONO_OPT_COPYPROP)) mono_local_cprop (cfg); if (cfg->opt & MONO_OPT_BRANCH) mono_optimize_branches (cfg); /* This must be done _before_ global reg alloc and _after_ decompose */ mono_handle_global_vregs (cfg); if (cfg->opt & MONO_OPT_DEADCE) mono_local_deadce (cfg); if (cfg->opt & MONO_OPT_ALIAS_ANALYSIS) mono_local_alias_analysis (cfg); /* Disable this for LLVM to make the IR easier to handle */ if (!COMPILE_LLVM (cfg)) mono_if_conversion (cfg); if ((cfg->opt & MONO_OPT_SSAPRE) || cfg->globalra) mono_remove_critical_edges (cfg); /* Depth-first ordering on basic blocks */ cfg->bblocks = mono_mempool_alloc (cfg->mempool, sizeof (MonoBasicBlock*) * (cfg->num_bblocks + 1)); cfg->max_block_num = cfg->num_bblocks; dfn = 0; df_visit (cfg->bb_entry, &dfn, cfg->bblocks); if (cfg->num_bblocks != dfn + 1) { MonoBasicBlock *bb; cfg->num_bblocks = dfn + 1; /* remove unreachable code, because the code in them may be * inconsistent (access to dead variables for example) */ for (bb = cfg->bb_entry; bb; bb = bb->next_bb) bb->flags &= ~BB_VISITED; compute_reachable (cfg->bb_entry); for (bb = cfg->bb_entry; bb; bb = bb->next_bb) if (bb->flags & BB_EXCEPTION_HANDLER) compute_reachable (bb); for (bb = cfg->bb_entry; bb; bb = bb->next_bb) { if (!(bb->flags & BB_VISITED)) { if (cfg->verbose_level > 1) g_print ("found unreachable code in BB%d\n", bb->block_num); bb->code = bb->last_ins = NULL; while (bb->out_count) mono_unlink_bblock (cfg, bb, bb->out_bb [0]); } } for (bb = cfg->bb_entry; bb; bb = bb->next_bb) bb->flags &= ~BB_VISITED; } if (((cfg->num_varinfo > 2000) || (cfg->num_bblocks > 1000)) && !cfg->compile_aot) { /* * we disable some optimizations if there are too many variables * because JIT time may become too expensive. The actual number needs * to be tweaked and eventually the non-linear algorithms should be fixed. */ cfg->opt &= ~ (MONO_OPT_LINEARS | MONO_OPT_COPYPROP | MONO_OPT_CONSPROP); cfg->disable_ssa = TRUE; } if (cfg->opt & MONO_OPT_LOOP) { mono_compile_dominator_info (cfg, MONO_COMP_DOM | MONO_COMP_IDOM); mono_compute_natural_loops (cfg); } /* after method_to_ir */ if (parts == 1) { if (MONO_METHOD_COMPILE_END_ENABLED ()) MONO_PROBE_METHOD_COMPILE_END (method, TRUE); return cfg; } /* if (header->num_clauses) cfg->disable_ssa = TRUE; */ //#define DEBUGSSA "logic_run" #define DEBUGSSA_CLASS "Tests" #ifdef DEBUGSSA if (!cfg->disable_ssa) { mono_local_cprop (cfg); #ifndef DISABLE_SSA mono_ssa_compute (cfg); #endif } #else if (cfg->opt & MONO_OPT_SSA) { if (!(cfg->comp_done & MONO_COMP_SSA) && !cfg->disable_ssa) { #ifndef DISABLE_SSA mono_ssa_compute (cfg); #endif if (cfg->verbose_level >= 2) { print_dfn (cfg); } } } #endif /* after SSA translation */ if (parts == 2) { if (MONO_METHOD_COMPILE_END_ENABLED ()) MONO_PROBE_METHOD_COMPILE_END (method, TRUE); return cfg; } if ((cfg->opt & MONO_OPT_CONSPROP) || (cfg->opt & MONO_OPT_COPYPROP)) { if (cfg->comp_done & MONO_COMP_SSA && !COMPILE_LLVM (cfg)) { #ifndef DISABLE_SSA mono_ssa_cprop (cfg); #endif } } #ifndef DISABLE_SSA if (cfg->comp_done & MONO_COMP_SSA && !COMPILE_LLVM (cfg)) { //mono_ssa_strength_reduction (cfg); if (cfg->opt & MONO_OPT_SSAPRE) { mono_perform_ssapre (cfg); //mono_local_cprop (cfg); } if (cfg->opt & MONO_OPT_DEADCE) { mono_ssa_deadce (cfg); deadce_has_run = TRUE; } if ((cfg->flags & (MONO_CFG_HAS_LDELEMA|MONO_CFG_HAS_CHECK_THIS)) && (cfg->opt & MONO_OPT_ABCREM)) mono_perform_abc_removal (cfg); mono_ssa_remove (cfg); mono_local_cprop (cfg); mono_handle_global_vregs (cfg); if (cfg->opt & MONO_OPT_DEADCE) mono_local_deadce (cfg); if (cfg->opt & MONO_OPT_BRANCH) { MonoBasicBlock *bb; mono_optimize_branches (cfg); /* Have to recompute cfg->bblocks and bb->dfn */ if (cfg->globalra) { mono_remove_critical_edges (cfg); for (bb = cfg->bb_entry; bb; bb = bb->next_bb) bb->dfn = 0; /* Depth-first ordering on basic blocks */ cfg->bblocks = mono_mempool_alloc (cfg->mempool, sizeof (MonoBasicBlock*) * (cfg->num_bblocks + 1)); dfn = 0; df_visit (cfg->bb_entry, &dfn, cfg->bblocks); cfg->num_bblocks = dfn + 1; } } } #endif if (cfg->comp_done & MONO_COMP_SSA && COMPILE_LLVM (cfg)) { mono_ssa_loop_invariant_code_motion (cfg); /* This removes MONO_INST_FAULT flags too so perform it unconditionally */ if (cfg->opt & MONO_OPT_ABCREM) mono_perform_abc_removal (cfg); } /* after SSA removal */ if (parts == 3) { if (MONO_METHOD_COMPILE_END_ENABLED ()) MONO_PROBE_METHOD_COMPILE_END (method, TRUE); return cfg; } #ifdef MONO_ARCH_SOFT_FLOAT_FALLBACK if (COMPILE_SOFT_FLOAT (cfg)) mono_decompose_soft_float (cfg); #endif if (COMPILE_LLVM (cfg)) mono_decompose_vtype_opts_llvm (cfg); else mono_decompose_vtype_opts (cfg); if (cfg->flags & MONO_CFG_HAS_ARRAY_ACCESS) mono_decompose_array_access_opts (cfg); if (cfg->got_var) { #ifndef MONO_ARCH_GOT_REG GList *regs; #endif int got_reg; g_assert (cfg->got_var_allocated); /* * Allways allocate the GOT var to a register, because keeping it * in memory will increase the number of live temporaries in some * code created by inssel.brg, leading to the well known spills+ * branches problem. Testcase: mcs crash in * System.MonoCustomAttrs:GetCustomAttributes. */ #ifdef MONO_ARCH_GOT_REG got_reg = MONO_ARCH_GOT_REG; #else regs = mono_arch_get_global_int_regs (cfg); g_assert (regs); got_reg = GPOINTER_TO_INT (regs->data); g_list_free (regs); #endif cfg->got_var->opcode = OP_REGVAR; cfg->got_var->dreg = got_reg; cfg->used_int_regs |= 1LL << cfg->got_var->dreg; } /* * Have to call this again to process variables added since the first call. */ mono_liveness_handle_exception_clauses (cfg); if (cfg->globalra) { MonoBasicBlock *bb; /* Have to do this before regalloc since it can create vregs */ for (bb = cfg->bb_entry; bb; bb = bb->next_bb) mono_arch_lowering_pass (cfg, bb); mono_global_regalloc (cfg); } if ((cfg->opt & MONO_OPT_LINEARS) && !cfg->globalra) { GList *vars, *regs, *l; /* fixme: maybe we can avoid to compute livenesss here if already computed ? */ cfg->comp_done &= ~MONO_COMP_LIVENESS; if (!(cfg->comp_done & MONO_COMP_LIVENESS)) mono_analyze_liveness (cfg); if ((vars = mono_arch_get_allocatable_int_vars (cfg))) { regs = mono_arch_get_global_int_regs (cfg); /* Remove the reg reserved for holding the GOT address */ if (cfg->got_var) { for (l = regs; l; l = l->next) { if (GPOINTER_TO_UINT (l->data) == cfg->got_var->dreg) { regs = g_list_delete_link (regs, l); break; } } } mono_linear_scan (cfg, vars, regs, &cfg->used_int_regs); } } //mono_print_code (cfg, ""); //print_dfn (cfg); /* variables are allocated after decompose, since decompose could create temps */ if (!cfg->globalra && !COMPILE_LLVM (cfg)) { mono_arch_allocate_vars (cfg); if (cfg->exception_type) return cfg; } { MonoBasicBlock *bb; gboolean need_local_opts; if (!cfg->globalra && !COMPILE_LLVM (cfg)) { mono_spill_global_vars (cfg, &need_local_opts); if (need_local_opts || cfg->compile_aot) { /* To optimize code created by spill_global_vars */ mono_local_cprop (cfg); if (cfg->opt & MONO_OPT_DEADCE) mono_local_deadce (cfg); } } /* Add branches between non-consecutive bblocks */ for (bb = cfg->bb_entry; bb; bb = bb->next_bb) { if (bb->last_ins && MONO_IS_COND_BRANCH_OP (bb->last_ins) && bb->last_ins->inst_false_bb && bb->next_bb != bb->last_ins->inst_false_bb) { /* we are careful when inverting, since bugs like #59580 * could show up when dealing with NaNs. */ if (MONO_IS_COND_BRANCH_NOFP(bb->last_ins) && bb->next_bb == bb->last_ins->inst_true_bb) { MonoBasicBlock *tmp = bb->last_ins->inst_true_bb; bb->last_ins->inst_true_bb = bb->last_ins->inst_false_bb; bb->last_ins->inst_false_bb = tmp; bb->last_ins->opcode = mono_reverse_branch_op (bb->last_ins->opcode); } else { MonoInst *inst = mono_mempool_alloc0 (cfg->mempool, sizeof (MonoInst)); inst->opcode = OP_BR; inst->inst_target_bb = bb->last_ins->inst_false_bb; mono_bblock_add_inst (bb, inst); } } } if (cfg->verbose_level >= 4 && !cfg->globalra) { for (bb = cfg->bb_entry; bb; bb = bb->next_bb) { MonoInst *tree = bb->code; g_print ("DUMP BLOCK %d:\n", bb->block_num); if (!tree) continue; for (; tree; tree = tree->next) { mono_print_ins_index (-1, tree); } } } /* FIXME: */ for (bb = cfg->bb_entry; bb; bb = bb->next_bb) { bb->max_vreg = cfg->next_vreg; } } if (COMPILE_LLVM (cfg)) { #ifdef ENABLE_LLVM char *nm; /* The IR has to be in SSA form for LLVM */ if (!(cfg->comp_done & MONO_COMP_SSA)) { cfg->exception_message = g_strdup ("SSA disabled."); cfg->disable_llvm = TRUE; } if (cfg->flags & MONO_CFG_HAS_ARRAY_ACCESS) mono_decompose_array_access_opts (cfg); if (!cfg->disable_llvm) mono_llvm_emit_method (cfg); if (cfg->disable_llvm) { if (cfg->verbose_level >= 1) { //nm = mono_method_full_name (cfg->method, TRUE); printf ("LLVM failed for '%s': %s\n", method->name, cfg->exception_message); //g_free (nm); } mono_destroy_compile (cfg); try_llvm = FALSE; goto restart_compile; } if (cfg->verbose_level > 0 && !cfg->compile_aot) { nm = mono_method_full_name (cfg->method, TRUE); g_print ("LLVM Method %s emitted at %p to %p (code length %d) [%s]\n", nm, cfg->native_code, cfg->native_code + cfg->code_len, cfg->code_len, cfg->domain->friendly_name); g_free (nm); } #endif } else { mono_codegen (cfg); } if (COMPILE_LLVM (cfg)) InterlockedIncrement (&mono_jit_stats.methods_with_llvm); else InterlockedIncrement (&mono_jit_stats.methods_without_llvm); cfg->jit_info = create_jit_info (cfg, method_to_compile); #ifdef MONO_ARCH_HAVE_LIVERANGE_OPS if (cfg->extend_live_ranges) { /* Extend live ranges to cover the whole method */ for (i = 0; i < cfg->num_varinfo; ++i) MONO_VARINFO (cfg, i)->live_range_end = cfg->code_len; } #endif if (!cfg->compile_aot) mono_save_xdebug_info (cfg); mini_gc_create_gc_map (cfg); mono_save_seq_point_info (cfg); if (cfg->verbose_level >= 2) { char *id = mono_method_full_name (cfg->method, FALSE); mono_disassemble_code (cfg, cfg->native_code, cfg->code_len, id + 3); g_free (id); } if (!cfg->compile_aot) { mono_domain_lock (cfg->domain); mono_jit_info_table_add (cfg->domain, cfg->jit_info); if (cfg->method->dynamic) mono_dynamic_code_hash_lookup (cfg->domain, cfg->method)->ji = cfg->jit_info; mono_domain_unlock (cfg->domain); } #if 0 if (cfg->gsharedvt) printf ("GSHAREDVT: %s\n", mono_method_full_name (cfg->method, TRUE)); #endif /* collect statistics */ #ifndef DISABLE_PERFCOUNTERS mono_perfcounters->jit_methods++; mono_perfcounters->jit_bytes += header->code_size; #endif mono_jit_stats.allocated_code_size += cfg->code_len; code_size_ratio = cfg->code_len; if (code_size_ratio > mono_jit_stats.biggest_method_size && mono_jit_stats.enabled) { mono_jit_stats.biggest_method_size = code_size_ratio; g_free (mono_jit_stats.biggest_method); mono_jit_stats.biggest_method = g_strdup_printf ("%s::%s)", method->klass->name, method->name); } code_size_ratio = (code_size_ratio * 100) / header->code_size; if (code_size_ratio > mono_jit_stats.max_code_size_ratio && mono_jit_stats.enabled) { mono_jit_stats.max_code_size_ratio = code_size_ratio; g_free (mono_jit_stats.max_ratio_method); mono_jit_stats.max_ratio_method = g_strdup_printf ("%s::%s)", method->klass->name, method->name); } mono_jit_stats.native_code_size += cfg->code_len; if (MONO_METHOD_COMPILE_END_ENABLED ()) MONO_PROBE_METHOD_COMPILE_END (method, TRUE); return cfg; } #else MonoCompile* mini_method_compile (MonoMethod *method, guint32 opts, MonoDomain *domain, JitFlags flags, int parts) { g_assert_not_reached (); return NULL; } #endif /* DISABLE_JIT */ MonoJitInfo* mono_domain_lookup_shared_generic (MonoDomain *domain, MonoMethod *method) { static gboolean inited = FALSE; static int lookups = 0; static int failed_lookups = 0; MonoJitInfo *ji; ji = mono_internal_hash_table_lookup (&domain->jit_code_hash, mini_get_shared_method (method)); 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; return ji; } /* * LOCKING: Assumes domain->jit_code_hash_lock is held. */ static MonoJitInfo* lookup_method_inner (MonoDomain *domain, MonoMethod *method) { MonoJitInfo *ji = mono_internal_hash_table_lookup (&domain->jit_code_hash, method); if (ji) return ji; if (!mono_method_is_generic_sharable (method, FALSE)) return NULL; return mono_domain_lookup_shared_generic (domain, method); } static MonoJitInfo* lookup_method (MonoDomain *domain, MonoMethod *method) { MonoJitInfo *info; mono_loader_lock (); /*FIXME lookup_method_inner acquired it*/ mono_domain_jit_code_hash_lock (domain); info = lookup_method_inner (domain, method); mono_domain_jit_code_hash_unlock (domain); mono_loader_unlock (); return info; } #if ENABLE_JIT_MAP static FILE* perf_map_file = NULL; 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_inner (MonoMethod *method, MonoDomain *target_domain, int opt, MonoException **jit_ex) { MonoCompile *cfg; gpointer code = NULL; MonoJitInfo *jinfo, *info; MonoVTable *vtable; MonoException *ex = NULL; guint32 prof_options; GTimer *jit_timer; MonoMethod *prof_method; #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))) { vtable = mono_class_vtable (domain, method->klass); g_assert (vtable); mono_runtime_class_init (vtable); return code; } } #endif if ((method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) || (method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL)) { MonoMethod *nm; MonoMethodPInvoke* piinfo = (MonoMethodPInvoke *) method; if (!piinfo->addr) { if (method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) piinfo->addr = mono_lookup_internal_call (method); else if (method->iflags & METHOD_IMPL_ATTRIBUTE_NATIVE) #ifdef HOST_WIN32 g_warning ("Method '%s' in assembly '%s' contains native code that cannot be executed by Mono in modules loaded from byte arrays. The assembly was probably created using C++/CLI.\n", mono_method_full_name (method, TRUE), method->klass->image->name); #else g_warning ("Method '%s' in assembly '%s' contains native code that cannot be executed by Mono on this platform. The assembly was probably created using C++/CLI.\n", mono_method_full_name (method, TRUE), method->klass->image->name); #endif else mono_lookup_pinvoke_call (method, NULL, NULL); } nm = mono_marshal_get_native_wrapper (method, check_for_pending_exc, FALSE); code = mono_get_addr_from_ftnptr (mono_compile_method (nm)); jinfo = mono_jit_info_table_find (target_domain, code); if (!jinfo) jinfo = mono_jit_info_table_find (mono_domain_get (), code); if (jinfo) mono_profiler_method_end_jit (method, jinfo, MONO_PROFILE_OK); return code; } else if ((method->iflags & METHOD_IMPL_ATTRIBUTE_RUNTIME)) { const char *name = method->name; char *full_name, *msg; MonoMethod *nm; if (method->klass->parent == mono_defaults.multicastdelegate_class) { if (*name == '.' && (strcmp (name, ".ctor") == 0)) { MonoJitICallInfo *mi = mono_find_jit_icall_by_name ("mono_delegate_ctor"); g_assert (mi); /* * We need to make sure this wrapper * is compiled because it might end up * in an (M)RGCTX if generic sharing * is enabled, and would be called * indirectly. If it were a * trampoline we'd try to patch that * indirect call, which is not * possible. */ return mono_get_addr_from_ftnptr ((gpointer)mono_icall_get_wrapper_full (mi, TRUE)); } else if (*name == 'I' && (strcmp (name, "Invoke") == 0)) { #ifdef MONO_ARCH_HAVE_CREATE_DELEGATE_TRAMPOLINE return mono_create_delegate_trampoline (target_domain, method->klass); #else nm = mono_marshal_get_delegate_invoke (method, NULL); return mono_get_addr_from_ftnptr (mono_compile_method (nm)); #endif } else if (*name == 'B' && (strcmp (name, "BeginInvoke") == 0)) { nm = mono_marshal_get_delegate_begin_invoke (method); return mono_get_addr_from_ftnptr (mono_compile_method (nm)); } else if (*name == 'E' && (strcmp (name, "EndInvoke") == 0)) { nm = mono_marshal_get_delegate_end_invoke (method); return mono_get_addr_from_ftnptr (mono_compile_method (nm)); } } full_name = mono_method_full_name (method, TRUE); msg = g_strdup_printf ("Unrecognizable runtime implemented method '%s'", full_name); *jit_ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "InvalidProgramException", msg); g_free (full_name); g_free (msg); return NULL; } if (method->wrapper_type == MONO_WRAPPER_UNKNOWN) { WrapperInfo *info = mono_marshal_get_wrapper_info (method); if (info->subtype == WRAPPER_SUBTYPE_GSHAREDVT_IN || info->subtype == WRAPPER_SUBTYPE_GSHAREDVT_OUT) { static MonoTrampInfo *in_tinfo, *out_tinfo; MonoTrampInfo *tinfo; MonoJitInfo *jinfo; gboolean is_in = info->subtype == WRAPPER_SUBTYPE_GSHAREDVT_IN; if (is_in && in_tinfo) return in_tinfo->code; else if (!is_in && out_tinfo) return out_tinfo->code; /* * This is a special wrapper whose body is implemented in assembly, like a trampoline. We use a wrapper so EH * works. * FIXME: The caller signature doesn't match the callee, which might cause problems on some platforms */ if (mono_aot_only) mono_aot_get_trampoline_full (is_in ? "gsharedvt_trampoline" : "gsharedvt_out_trampoline", &tinfo); else mono_arch_get_gsharedvt_trampoline (&tinfo, FALSE); jinfo = create_jit_info_for_trampoline (method, tinfo); mono_jit_info_table_add (mono_get_root_domain (), jinfo); if (is_in) in_tinfo = tinfo; else out_tinfo = tinfo; return tinfo->code; } } if (mono_aot_only) { char *fullname = mono_method_full_name (method, TRUE); char *msg = g_strdup_printf ("Attempting to JIT compile method '%s' while running with --aot-only. See http://docs.xamarin.com/ios/about/limitations for more information.\n", fullname); *jit_ex = mono_get_exception_execution_engine (msg); g_free (fullname); g_free (msg); return NULL; } jit_timer = g_timer_new (); cfg = mini_method_compile (method, opt, target_domain, JIT_FLAG_RUN_CCTORS, 0); prof_method = cfg->method; g_timer_stop (jit_timer); mono_jit_stats.jit_time += g_timer_elapsed (jit_timer, NULL); g_timer_destroy (jit_timer); switch (cfg->exception_type) { case MONO_EXCEPTION_NONE: break; case MONO_EXCEPTION_TYPE_LOAD: case MONO_EXCEPTION_MISSING_FIELD: case MONO_EXCEPTION_MISSING_METHOD: case MONO_EXCEPTION_FILE_NOT_FOUND: case MONO_EXCEPTION_BAD_IMAGE: { /* Throw a type load exception if needed */ MonoLoaderError *error = mono_loader_get_last_error (); if (error) { ex = mono_loader_error_prepare_exception (error); } else { if (cfg->exception_ptr) { ex = mono_class_get_exception_for_failure (cfg->exception_ptr); } else { if (cfg->exception_type == MONO_EXCEPTION_MISSING_FIELD) ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "MissingFieldException", cfg->exception_message); else if (cfg->exception_type == MONO_EXCEPTION_MISSING_METHOD) ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "MissingMethodException", cfg->exception_message); else if (cfg->exception_type == MONO_EXCEPTION_TYPE_LOAD) ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "TypeLoadException", cfg->exception_message); else if (cfg->exception_type == MONO_EXCEPTION_FILE_NOT_FOUND) ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "FileNotFoundException", cfg->exception_message); else if (cfg->exception_type == MONO_EXCEPTION_BAD_IMAGE) ex = mono_get_exception_bad_image_format (cfg->exception_message); else g_assert_not_reached (); } } break; } case MONO_EXCEPTION_INVALID_PROGRAM: ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "InvalidProgramException", cfg->exception_message); break; case MONO_EXCEPTION_UNVERIFIABLE_IL: ex = mono_exception_from_name_msg (mono_defaults.corlib, "System.Security", "VerificationException", cfg->exception_message); break; case MONO_EXCEPTION_METHOD_ACCESS: ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "MethodAccessException", cfg->exception_message); break; case MONO_EXCEPTION_FIELD_ACCESS: ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "FieldAccessException", cfg->exception_message); break; #ifndef DISABLE_SECURITY /* this can only be set if the security manager is active */ case MONO_EXCEPTION_SECURITY_LINKDEMAND: { MonoSecurityManager* secman = mono_security_manager_get_methods (); MonoObject *exc = NULL; gpointer args [2]; args [0] = &cfg->exception_data; args [1] = &method; mono_runtime_invoke (secman->linkdemandsecurityexception, NULL, args, &exc); ex = (MonoException*)exc; break; } #endif case MONO_EXCEPTION_OBJECT_SUPPLIED: { MonoException *exp = cfg->exception_ptr; MONO_GC_UNREGISTER_ROOT (cfg->exception_ptr); ex = exp; break; } case MONO_EXCEPTION_OUT_OF_MEMORY: ex = mono_domain_get ()->out_of_memory_ex; break; default: g_assert_not_reached (); } if (ex) { if (cfg->prof_options & MONO_PROFILE_JIT_COMPILATION) mono_profiler_method_end_jit (method, NULL, MONO_PROFILE_FAILED); mono_destroy_compile (cfg); *jit_ex = ex; return NULL; } mono_loader_lock (); /*FIXME lookup_method_inner requires the loader lock*/ mono_domain_lock (target_domain); /* Check if some other thread already did the job. In this case, we can discard the code this thread generated. */ mono_domain_jit_code_hash_lock (target_domain); info = lookup_method_inner (target_domain, method); if (info) { /* We can't use a domain specific method in another domain */ if ((target_domain == mono_domain_get ()) || info->domain_neutral) { code = info->code_start; // printf("Discarding code for method %s\n", method->name); } } if (code == NULL) { mono_internal_hash_table_insert (&target_domain->jit_code_hash, cfg->jit_info->d.method, cfg->jit_info); mono_domain_jit_code_hash_unlock (target_domain); code = cfg->native_code; if (cfg->generic_sharing_context && mono_method_is_generic_sharable (method, FALSE)) mono_stats.generics_shared_methods++; if (cfg->gsharedvt) mono_stats.gsharedvt_methods++; } else { mono_domain_jit_code_hash_unlock (target_domain); } jinfo = cfg->jit_info; prof_options = cfg->prof_options; /* * Update global stats while holding a lock, instead of doing many * InterlockedIncrement operations during JITting. */ mono_jit_stats.allocate_var += cfg->stat_allocate_var; mono_jit_stats.locals_stack_size += cfg->stat_locals_stack_size; mono_jit_stats.basic_blocks += cfg->stat_basic_blocks; mono_jit_stats.max_basic_blocks = MAX (cfg->stat_basic_blocks, mono_jit_stats.max_basic_blocks); mono_jit_stats.cil_code_size += cfg->stat_cil_code_size; mono_jit_stats.regvars += cfg->stat_n_regvars; mono_jit_stats.inlineable_methods += cfg->stat_inlineable_methods; mono_jit_stats.inlined_methods += cfg->stat_inlined_methods; mono_jit_stats.cas_demand_generation += cfg->stat_cas_demand_generation; mono_jit_stats.code_reallocs += cfg->stat_code_reallocs; mono_destroy_compile (cfg); #ifndef DISABLE_JIT if (domain_jit_info (target_domain)->jump_target_hash) { MonoJumpInfo patch_info; MonoJumpList *jlist; GSList *tmp; jlist = g_hash_table_lookup (domain_jit_info (target_domain)->jump_target_hash, method); if (jlist) { patch_info.next = NULL; patch_info.ip.i = 0; patch_info.type = MONO_PATCH_INFO_METHOD_JUMP; patch_info.data.method = method; g_hash_table_remove (domain_jit_info (target_domain)->jump_target_hash, method); #if defined(__native_client_codegen__) && defined(__native_client__) /* These patches are applied after a method has been installed, no target munging is needed. */ nacl_allow_target_modification (FALSE); #endif for (tmp = jlist->list; tmp; tmp = tmp->next) mono_arch_patch_code (NULL, target_domain, tmp->data, &patch_info, NULL, TRUE); #if defined(__native_client_codegen__) && defined(__native_client__) nacl_allow_target_modification (TRUE); #endif } } mono_emit_jit_map (jinfo); #endif mono_domain_unlock (target_domain); mono_loader_unlock (); vtable = mono_class_vtable (target_domain, method->klass); if (!vtable) { ex = mono_class_get_exception_for_failure (method->klass); g_assert (ex); *jit_ex = ex; return NULL; } if (prof_options & MONO_PROFILE_JIT_COMPILATION) { if (method->wrapper_type == MONO_WRAPPER_MANAGED_TO_NATIVE) { if (mono_marshal_method_from_wrapper (method)) { /* Native func wrappers have no method */ /* The profiler doesn't know about wrappers, so pass the original icall method */ mono_profiler_method_end_jit (mono_marshal_method_from_wrapper (method), jinfo, MONO_PROFILE_OK); } } mono_profiler_method_end_jit (method, jinfo, MONO_PROFILE_OK); if (prof_method != method) { mono_profiler_method_end_jit (prof_method, jinfo, MONO_PROFILE_OK); } } ex = mono_runtime_class_init_full (vtable, FALSE); if (ex) { *jit_ex = ex; return NULL; } return code; } 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, 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) method = mono_class_inflate_generic_method (method, ctx); } } 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); } } 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_internal_hash_table_remove (&domain->jit_code_hash, method); g_hash_table_remove (domain_jit_info (domain)->jump_trampoline_hash, method); g_hash_table_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 = NULL; GSList *mono_single_method_list = NULL; GHashTable *mono_single_method_hash = NULL; 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); mono_domain_lock (domain); info = g_hash_table_lookup (domain_info->runtime_invoke_hash, method); mono_domain_unlock (domain); 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); mono_domain_lock (domain); info2 = g_hash_table_lookup (domain_info->runtime_invoke_hash, method); if (info2) { g_free (info); info = info2; } else { g_hash_table_insert (domain_info->runtime_invoke_hash, method, info); } mono_domain_unlock (domain); } 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 [128]; guint8 retval [128]; 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); } SIG_HANDLER_FUNC (, mono_sigfpe_signal_handler) { MonoException *exc = NULL; MonoJitInfo *ji; #if !(defined(MONO_ARCH_USE_SIGACTION) || defined(HOST_WIN32)) void *info = NULL; #endif 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_chain_signal (SIG_HANDLER_PARAMS)) return; mono_handle_native_sigsegv (SIGSEGV, ctx); } mono_arch_handle_exception (ctx, exc); } SIG_HANDLER_FUNC (, mono_sigill_signal_handler) { MonoException *exc; 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 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; 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(HOST_WIN32) && defined(HAVE_SIG_INFO) 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_chain_signal (SIG_HANDLER_PARAMS)) return; mono_handle_native_sigsegv (SIGSEGV, ctx); } 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, (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_arch_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 (SIG_HANDLER_PARAMS)) return; mono_arch_handle_altstack_exception (ctx, info->si_addr, FALSE); } #else if (!ji) { if (mono_chain_signal (SIG_HANDLER_PARAMS)) return; mono_handle_native_sigsegv (SIGSEGV, ctx); } mono_arch_handle_exception (ctx, NULL); #endif } SIG_HANDLER_FUNC (, mono_sigint_signal_handler) { MonoException *exc; 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]; } 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-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 = 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 { 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-unhandled', 'dyn-runtime-invoke', 'gdb', 'explicit-null-checks', 'init-stacks'\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__) 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__) return *(gpointer*)descr; #else return descr; #endif } static void register_jit_stats (void) { mono_counters_register ("Compiled methods", MONO_COUNTER_JIT | MONO_COUNTER_WORD, &mono_jit_stats.methods_compiled); mono_counters_register ("Methods from AOT", MONO_COUNTER_JIT | MONO_COUNTER_WORD, &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 ("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 void seq_point_info_free (gpointer value); 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 (mono_aligned_addr_hash, NULL); info->llvm_vcall_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL); info->runtime_invoke_hash = g_hash_table_new_full (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 seq_point_info_free (gpointer value) { int i = 0; MonoSeqPointInfo* info = (MonoSeqPointInfo*)value; for (i = 0; i < info->len; ++i) { SeqPoint *sp = &info->seq_points [i]; g_free (sp->next); } 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); g_hash_table_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); g_free (domain->runtime_info); domain->runtime_info = NULL; } 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 InitializeCriticalSection (&jit_mutex); /* 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 (); jit_icall_name_hash = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, NULL); 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; #ifdef MONO_ARCH_HAVE_IMT if (mono_use_imt) { callbacks.get_vtable_trampoline = mini_get_vtable_trampoline; callbacks.get_imt_trampoline = mini_get_imt_trampoline; } #endif 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_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 (); if (!g_thread_supported ()) g_thread_init (NULL); 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 // This is experimental code so provide an env var to switch it off if (g_getenv ("MONO_DISABLE_PENDING_EXCEPTIONS")) { printf ("MONO_DISABLE_PENDING_EXCEPTIONS env var set.\n"); } else { check_for_pending_exc = FALSE; mono_threads_install_notify_pending_exc (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); } #ifdef MONO_ARCH_HAVE_IMT 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); } #endif /*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 (); 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); #ifdef PLATFORM_ANDROID mono_add_internal_call ("System.Diagnostics.Debugger::Mono_UnhandledException_internal", mono_debugger_agent_unhandled_exception); #endif #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_icall (mono_profiler_method_enter, "mono_profiler_method_enter", NULL, TRUE); register_icall (mono_profiler_method_leave, "mono_profiler_method_leave", NULL, 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", "void", 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 /* * NOTE, NOTE, NOTE, NOTE: * when adding emulation for some opcodes, remember to also add a dummy * rule to the burg files, because we need the arity information to be correct. */ #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); #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); #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); #endif #ifdef TARGET_IOS register_icall (pthread_getspecific, "pthread_getspecific", NULL, TRUE); #endif mono_generic_sharing_init (); #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; } 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 ("Dynamic code allocs: %ld\n", mono_stats.dynamic_code_alloc_count); g_print ("Dynamic code bytes: %ld\n", mono_stats.dynamic_code_bytes_count); g_print ("Dynamic code frees: %ld\n", mono_stats.dynamic_code_frees_count); 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); g_print ("Hazardous pointers: %ld\n", mono_stats.hazardous_pointer_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 (); if (!mono_dont_free_global_codeman) mono_code_manager_destroy (global_codeman); g_hash_table_destroy (jit_icall_name_hash); g_free (emul_opcode_map); g_free (emul_opcode_opcodes); g_free (vtable_trampolines); mono_arch_cleanup (); mono_generic_sharing_cleanup (); mono_cleanup (); mono_trace_cleanup (); mono_counters_dump (-1, stdout); if (mono_inject_async_exc_method) mono_method_desc_free (mono_inject_async_exc_method); mono_native_tls_free (mono_jit_tls_id); DeleteCriticalSection (&jit_mutex); DeleteCriticalSection (&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; 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); } #ifndef DISABLE_JIT void* mono_arch_instrument_epilog (MonoCompile *cfg, void *func, void *p, gboolean enable_arguments) { return mono_arch_instrument_epilog_full (cfg, func, p, enable_arguments, FALSE); } void mono_cfg_add_try_hole (MonoCompile *cfg, MonoExceptionClause *clause, guint8 *start, MonoBasicBlock *bb) { TryBlockHole *hole = mono_mempool_alloc (cfg->mempool, sizeof (TryBlockHole)); hole->clause = clause; hole->start_offset = start - cfg->native_code; hole->basic_block = bb; cfg->try_block_holes = g_slist_append_mempool (cfg->mempool, cfg->try_block_holes, hole); } void mono_cfg_set_exception (MonoCompile *cfg, int type) { cfg->exception_type = type; } #endif /* Dummy versions of some arch specific functions to avoid ifdefs at call sites */ #ifndef MONO_ARCH_GSHAREDVT_SUPPORTED gboolean mono_arch_gsharedvt_sig_supported (MonoMethodSignature *sig) { return FALSE; } gpointer mono_arch_get_gsharedvt_call_info (gpointer addr, MonoMethodSignature *normal_sig, MonoMethodSignature *gsharedvt_sig, MonoGenericSharingContext *gsctx, gboolean gsharedvt_in, gint32 vcall_offset, gboolean calli) { g_assert_not_reached (); return NULL; } gpointer mono_arch_get_gsharedvt_arg_trampoline (MonoDomain *domain, gpointer arg, gpointer addr) { g_assert_not_reached (); return NULL; } gpointer mono_arch_get_gsharedvt_trampoline (MonoTrampInfo **info, gboolean aot) { g_assert_not_reached (); return NULL; } #endif #if defined(MONO_ARCH_GSHAREDVT_SUPPORTED) && !defined(MONOTOUCH) && !defined(MONO_EXTENSIONS) gboolean mono_arch_gsharedvt_sig_supported (MonoMethodSignature *sig) { return FALSE; } gpointer mono_arch_get_gsharedvt_call_info (gpointer addr, MonoMethodSignature *normal_sig, MonoMethodSignature *gsharedvt_sig, MonoGenericSharingContext *gsctx, gboolean gsharedvt_in, gint32 vcall_offset, gboolean calli) { NOT_IMPLEMENTED; return NULL; } #endif #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 = NULL; #define mono_jumptable_lock() EnterCriticalSection (&jumptable_mutex) #define mono_jumptable_unlock() LeaveCriticalSection (&jumptable_mutex) static CRITICAL_SECTION 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) { InitializeCriticalSection (&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; DeleteCriticalSection (&jumptable_mutex); } } gpointer* mono_jumptable_get_entry (guint8 *code_ptr) { return mono_arch_jumptable_entry_from_code (code_ptr); } #endif /* * mini_replace_type: * * Replace the type used in the metadata stream with what the JIT will actually use during compilation. */ MonoType* mini_replace_type (MonoType *type) { return mono_type_get_underlying_type (type); }