/* * mini.c: The new Mono code generator. * * Authors: * Paolo Molaro (lupus@ximian.com) * Dietmar Maurer (dietmar@ximian.com) * * Copyright 2002-2003 Ximian, Inc. * Coprygith 2003-2010 Novell, Inc. */ #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 "mini.h" #include "mini-llvm.h" #include "tasklets.h" #include #include #include "trace.h" #include "version.h" #include "jit-icalls.h" #include "debug-mini.h" #include "mini-gc.h" #include "debugger-agent.h" static gpointer mono_jit_compile_method_with_opt (MonoMethod *method, guint32 opt, MonoException **ex); /* helper methods signature */ /* FIXME: Make these static again */ MonoMethodSignature *helper_sig_class_init_trampoline = NULL; MonoMethodSignature *helper_sig_domain_get = NULL; MonoMethodSignature *helper_sig_generic_class_init_trampoline = NULL; MonoMethodSignature *helper_sig_generic_class_init_trampoline_llvm = NULL; MonoMethodSignature *helper_sig_rgctx_lazy_fetch_trampoline = NULL; MonoMethodSignature *helper_sig_monitor_enter_exit_trampoline = NULL; MonoMethodSignature *helper_sig_monitor_enter_exit_trampoline_llvm = NULL; #ifdef __native_client_codegen__ /* Default alignment for Native Client is 32-byte. */ guint8 nacl_align_byte = 0xe0; #endif static guint32 default_opt = 0; static gboolean default_opt_set = FALSE; guint32 mono_jit_tls_id = -1; #ifdef HAVE_KW_THREAD static __thread gpointer mono_jit_tls MONO_TLS_FAST; #endif MonoTraceSpec *mono_jit_trace_calls = NULL; gboolean mono_break_on_exc = FALSE; 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 */ #ifdef MONO_ARCH_HAVE_IMT gboolean mono_use_imt = TRUE; #else gboolean mono_use_imt = FALSE; #endif 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; #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) { 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 /* __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; 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 (ji->method, TRUE); /* FIXME: unused ? */ location = mono_debug_lookup_source_location (ji->method, (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. */ 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; 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); } else g_print ("No method at %p\n", ip); return; } method = mono_method_full_name (ji->method, TRUE); source = mono_debug_lookup_source_location (ji->method, (guint32)((guint8*)ip - (guint8*)ji->code_start), target_domain); g_print ("IP %p at offset 0x%x of method %s (%p %p)[domain %p - %s]\n", ip, (int)((char*)ip - (char*)ji->code_start), 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); 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) { 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; if ((caller->method->klass == mono_defaults.appdomain_class) && (strstr (caller->method->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; } } /** * 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); } 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 NAME, 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 = (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); } #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; 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: /* FIXME: all the arguments must be references for now, * later look inside cfg and see if the arg num is * really a reference */ g_assert (cfg->generic_sharing_context); 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 = mono_type_get_underlying_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: /* FIXME: all the arguments must be references for now, * later look inside cfg and see if the arg num is * really a reference */ g_assert (cfg->generic_sharing_context); 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) { /* FIXME: all the arguments must be references for now, * later look inside cfg and see if the arg num is * really a reference */ if (type->type == MONO_TYPE_VAR || type->type == MONO_TYPE_MVAR) return CEE_LDIND_REF; } return mono_type_to_ldind (type); } guint mini_type_to_stind (MonoCompile* cfg, MonoType *type) { if (cfg->generic_sharing_context && !type->byref) { /* FIXME: all the arguments must be references for now, * later look inside cfg and see if the arg num is * really a reference */ if (type->type == MONO_TYPE_VAR || type->type == MONO_TYPE_MVAR) 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); } 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; 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)); } mono_jit_stats.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; 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 #ifdef MONO_ARCH_SOFT_FLOAT regpair = mono_type_is_long (type) || mono_type_is_float (type); #else regpair = mono_type_is_long (type); #endif #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); } #ifdef MONO_ARCH_SOFT_FLOAT if (cfg->opt & MONO_OPT_SSA) { if (mono_type_is_float (type)) inst->flags = MONO_INST_VOLATILE; } #endif /* 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; if (mono_type_is_long (type)) dreg = mono_alloc_dreg (cfg, STACK_I8); #ifdef MONO_ARCH_SOFT_FLOAT else if (mono_type_is_float (type)) dreg = mono_alloc_dreg (cfg, STACK_R8); #endif 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 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; #ifdef MONO_ARCH_VARARG_ICALLS /* Only set this only some archs since not all backends can handle varargs+pinvoke */ res->call_convention = MONO_CALL_VARARG; #endif #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) return FALSE; if (assembly->in_gac || assembly->image == mono_defaults.corlib) return FALSE; if (mono_security_get_mode () != MONO_SECURITY_MODE_NONE) 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. */ gboolean mini_method_verify (MonoCompile *cfg, MonoMethod *method) { GSList *tmp, *res; gboolean is_fulltrust; MonoLoaderError *error; if (method->verification_success) return FALSE; is_fulltrust = mono_verifier_is_method_full_trust (method); if (!mono_verifier_is_enabled_for_method (method)) return FALSE; res = mono_method_verify_with_current_settings (method, cfg->skip_visibility); if ((error = mono_loader_get_last_error ())) { cfg->exception_type = error->exception_type; 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) { 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); mono_free_verify_list (res); g_free (method_name); 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)) { 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); mono_free_verify_list (res); g_free (method_name); return TRUE; } } mono_free_verify_list (res); } method->verification_success = 1; return FALSE; } /*Returns true is something went wrong*/ static gboolean mono_compile_is_broken (MonoCompile *cfg) { MonoMethod *method = cfg->method; MonoMethod *method_definition = method; gboolean dont_verify = mini_assembly_can_skip_verification (cfg->domain, method); 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); } static void create_helper_signature (void) { helper_sig_domain_get = mono_create_icall_signature ("ptr"); helper_sig_class_init_trampoline = mono_create_icall_signature ("void"); helper_sig_generic_class_init_trampoline = mono_create_icall_signature ("void"); helper_sig_generic_class_init_trampoline_llvm = mono_create_icall_signature ("void ptr"); helper_sig_rgctx_lazy_fetch_trampoline = mono_create_icall_signature ("ptr ptr"); helper_sig_monitor_enter_exit_trampoline = mono_create_icall_signature ("void"); helper_sig_monitor_enter_exit_trampoline_llvm = mono_create_icall_signature ("void object"); } 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_slots_full2 (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]; /* 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 (inst->inst_vtype) && inst->inst_vtype->type != MONO_TYPE_TYPEDBYREF) { size = mono_class_native_size (mono_class_from_mono_type (inst->inst_vtype), &align); } else { int ialign; size = mono_type_size (inst->inst_vtype, &ialign); align = ialign; if (MONO_CLASS_IS_SIMD (cfg, mono_class_from_mono_type (inst->inst_vtype))) align = 16; } reuse_slot = TRUE; if (cfg->disable_reuse_stack_slots) reuse_slot = FALSE; t = mono_type_get_underlying_type (inst->inst_vtype); 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_REGISTER == 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 (getenv ("COUNT3"))) printf ("LAST: %s\n", mono_method_full_name (cfg->method, TRUE)); if (count > atoi (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 (!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); } mono_jit_stats.locals_stack_size += offset; *stack_size = offset; return offsets; } /* * mono_allocate_stack_slots_full: * * 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_full (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_slots_full2 (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 (gpointer); for (l = vars; l; l = l->next) { vmv = l->data; inst = cfg->varinfo [vmv->idx]; /* 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 (inst->inst_vtype) && inst->inst_vtype->type != MONO_TYPE_TYPEDBYREF) { size = mono_class_native_size (mono_class_from_mono_type (inst->inst_vtype), &align); } else { int ialign; size = mono_type_size (inst->inst_vtype, &ialign); align = ialign; if (MONO_CLASS_IS_SIMD (cfg, mono_class_from_mono_type (inst->inst_vtype))) align = 16; } reuse_slot = TRUE; if (cfg->disable_reuse_stack_slots) reuse_slot = FALSE; t = mono_type_get_underlying_type (inst->inst_vtype); 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_REGISTER == 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) { //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 (getenv ("COUNT"))) printf ("LAST: %s\n", mono_method_full_name (cfg->method, TRUE)); if (count > atoi (getenv ("COUNT"))) slot = 0xffffff; else { mono_print_ins (inst); } */ } 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); } mono_jit_stats.locals_stack_size += offset; *stack_size = offset; return offsets; } #else gint32* mono_allocate_stack_slots_full (MonoCompile *cfg, gboolean backward, guint32 *stack_size, guint32 *stack_align) { g_assert_not_reached (); return NULL; } #endif /* DISABLE_JIT */ gint32* mono_allocate_stack_slots (MonoCompile *m, guint32 *stack_size, guint32 *stack_align) { return mono_allocate_stack_slots_full (m, TRUE, stack_size, stack_align); } #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; } void mono_register_opcode_emulation (int opcode, const char *name, const char *sigstr, gpointer func, 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 (func, name, sig, no_throw); 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)); } 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 (func, name, sig, save); } static void print_dfn (MonoCompile *cfg) { int i, j; char *code; MonoBasicBlock *bb; MonoInst *c; g_print ("IR code for method %s\n", mono_method_full_name (cfg->method, TRUE)); 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; 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); g_free (cfg->varinfo); g_free (cfg->vars); g_free (cfg->exception_message); g_free (cfg); } #ifdef HAVE_KW_THREAD static __thread gpointer mono_lmf_addr MONO_TLS_FAST; #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. */ static __thread gpointer mono_lmf MONO_TLS_FAST; #endif #endif guint32 mono_get_jit_tls_key (void) { return mono_jit_tls_id; } gint32 mono_get_jit_tls_offset (void) { #ifdef HAVE_KW_THREAD int offset; MONO_THREAD_VAR_OFFSET (mono_jit_tls, offset); return offset; #else return -1; #endif } gint32 mono_get_lmf_tls_offset (void) { #if defined(HAVE_KW_THREAD) && 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(HAVE_KW_THREAD) && defined(MONO_ARCH_ENABLE_MONO_LMF_VAR) return mono_lmf; #else MonoJitTlsData *jit_tls; if ((jit_tls = TlsGetValue (mono_jit_tls_id))) return jit_tls->lmf; g_assert_not_reached (); return NULL; #endif } MonoLMF ** mono_get_lmf_addr (void) { #ifdef HAVE_KW_THREAD return mono_lmf_addr; #else MonoJitTlsData *jit_tls; if ((jit_tls = TlsGetValue (mono_jit_tls_id))) 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 = TlsGetValue (mono_jit_tls_id))) return &jit_tls->lmf; g_assert_not_reached (); return NULL; #endif } void mono_set_lmf (MonoLMF *lmf) { #if defined(HAVE_KW_THREAD) && defined(MONO_ARCH_ENABLE_MONO_LMF_VAR) mono_lmf = lmf; #endif (*mono_get_lmf_addr ()) = lmf; } /* Called by native->managed wrappers */ void mono_jit_thread_attach (MonoDomain *domain) { if (!domain) /* * Happens when called from AOTed code which is only used in the root * domain. */ domain = mono_get_root_domain (); #ifdef HAVE_KW_THREAD if (!mono_lmf_addr) { mono_thread_attach (domain); } #else if (!TlsGetValue (mono_jit_tls_id)) mono_thread_attach (domain); #endif if (mono_domain_get () != 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 = TlsGetValue (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 { exit (mono_environment_exitcode_get ()); } } static void* setup_jit_tls_data (gpointer stack_start, gpointer abort_func) { MonoJitTlsData *jit_tls; MonoLMF *lmf; jit_tls = TlsGetValue (mono_jit_tls_id); if (jit_tls) return jit_tls; jit_tls = g_new0 (MonoJitTlsData, 1); TlsSetValue (mono_jit_tls_id, jit_tls); #ifdef HAVE_KW_THREAD mono_jit_tls = jit_tls; #endif jit_tls->abort_func = abort_func; jit_tls->end_of_stack = stack_start; lmf = g_new0 (MonoLMF, 1); #ifdef MONO_ARCH_INIT_TOP_LMF_ENTRY MONO_ARCH_INIT_TOP_LMF_ENTRY (lmf); #else lmf->ebp = -1; #endif jit_tls->first_lmf = lmf; #if defined(HAVE_KW_THREAD) && defined(MONO_ARCH_ENABLE_MONO_LMF_VAR) /* jit_tls->lmf is unused */ mono_lmf = lmf; mono_lmf_addr = &mono_lmf; #else #if defined(HAVE_KW_THREAD) mono_lmf_addr = &jit_tls->lmf; #endif jit_tls->lmf = lmf; #endif mono_arch_setup_jit_tls_data (jit_tls); mono_setup_altstack (jit_tls); return 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 (); mono_debugger_thread_created (tid, thread->root_domain_thread, jit_tls, func); if (thread) thread->jit_data = jit_tls; } 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 (); mono_debugger_thread_created (tid, thread->root_domain_thread, (MonoJitTlsData *) jit_tls, NULL); if (thread) thread->jit_data = jit_tls; if (mono_profiler_get_events () & MONO_PROFILE_STATISTICAL) mono_runtime_setup_stat_profiler (); } static void mini_thread_cleanup (MonoThread *thread) { MonoInternalThread *internal = thread->internal_thread; MonoJitTlsData *jit_tls = internal->jit_data; if (jit_tls) { mono_debugger_thread_cleanup (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); internal->jit_data = NULL; /* 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 (internal == mono_thread_internal_current ()) { TlsSetValue (mono_jit_tls_id, NULL); #ifdef HAVE_KW_THREAD mono_jit_tls = NULL; mono_lmf_addr = NULL; #if defined(MONO_ARCH_ENABLE_MONO_LMF_VAR) mono_lmf = NULL; #endif #endif } } } static MonoInst* mono_create_tls_get (MonoCompile *cfg, int offset) { #ifdef MONO_ARCH_HAVE_TLS_GET if (MONO_ARCH_HAVE_TLS_GET) { MonoInst* ins; 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; } #endif return NULL; } MonoInst* mono_get_jit_tls_intrinsic (MonoCompile *cfg) { return mono_create_tls_get (cfg, mono_get_jit_tls_offset ()); } MonoInst* mono_get_domain_intrinsic (MonoCompile* cfg) { return mono_create_tls_get (cfg, mono_domain_get_tls_offset ()); } MonoInst* mono_get_thread_intrinsic (MonoCompile* cfg) { return mono_create_tls_get (cfg, mono_thread_get_tls_offset ()); } void mono_add_patch_info (MonoCompile *cfg, int ip, MonoJumpInfoType type, gconstpointer target) { MonoJumpInfo *ji = mono_mempool_alloc (cfg->mempool, sizeof (MonoJumpInfo)); ji->ip.i = ip; ji->type = type; 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; 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_TYPE_FROM_HANDLE: case MONO_PATCH_INFO_LDTOKEN: case MONO_PATCH_INFO_DECLSEC: return (ji->type << 8) | ji->data.token->token; 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_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_FIELD: case MONO_PATCH_INFO_SFLDA: case MONO_PATCH_INFO_SEQ_POINT_INFO: return (ji->type << 8) | (gssize)ji->data.target; default: return (ji->type << 8); } } /* * 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); } 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: target = ip; 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_METHOD_JUMP: target = mono_create_jump_trampoline (domain, patch_info->data.method, FALSE); break; case MONO_PATCH_INFO_METHOD: if (patch_info->data.method == method) { target = code; } else { /* get the trampoline to the method from the domain */ target = mono_create_jit_trampoline (patch_info->data.method); } break; case MONO_PATCH_INFO_SWITCH: { gpointer *jump_table; int i; 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); } } for (i = 0; i < patch_info->data.table->table_size; i++) jump_table [i] = code + GPOINTER_TO_INT (patch_info->data.table->table [i]); target = jump_table; break; } case MONO_PATCH_INFO_METHODCONST: case MONO_PATCH_INFO_CLASS: case MONO_PATCH_INFO_IMAGE: case MONO_PATCH_INFO_FIELD: 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 (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*)vtable->data + 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, 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) { if (run_cctors) { target = mono_lookup_pinvoke_call (patch_info->data.method, NULL, NULL); if (!target) 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_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_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_other_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_other_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_other_info (entry->method, entry->in_mrgctx, entry->data->data.field, 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; 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); bb->seq_points = g_slist_prepend_mempool (cfg->mempool, bb->seq_points, ins); bb->last_seq_point = ins; } #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); } #endif /* #ifndef DISABLE_JIT */ 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); } #ifndef DISABLE_JIT 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); // FIXME: CLEAN UP THIS MESS. if ((cfg->method->wrapper_type == MONO_WRAPPER_MANAGED_TO_NATIVE) && strstr (cfg->method->name, info->name)) { /* * This is an icall wrapper, and this is a call to the * wrapped function. */ if (cfg->compile_aot) { patch_info->type = MONO_PATCH_INFO_JIT_ICALL_ADDR; patch_info->data.name = info->name; } } else { /* 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 (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); } 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: { GSList *list; MonoDomain *domain = cfg->domain; unsigned char *ip = cfg->native_code + patch_info->ip.i; mono_domain_lock (domain); if (!domain_jit_info (domain)->jump_target_hash) domain_jit_info (domain)->jump_target_hash = g_hash_table_new (NULL, NULL); list = g_hash_table_lookup (domain_jit_info (domain)->jump_target_hash, patch_info->data.method); list = g_slist_prepend (list, ip); g_hash_table_insert (domain_jit_info (domain)->jump_target_hash, patch_info->data.method, list); 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; for (i = 0; i < bb->in_count; ++i) { in_bb = bb->in_bb [i]; if (in_bb->last_seq_point) { next [in_bb->last_seq_point->backend.size] = g_slist_append (next [in_bb->last_seq_point->backend.size], GUINT_TO_POINTER (ins->backend.size)); } 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 - MONO_ZERO_LEN_ARRAY) * 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; /* 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->flags & MONO_INST_SINGLE_STEP_LOC)) 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 (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 ("\t0x%x ->", sp->il_offset); for (l = next [i]; l; l = l->next) { next_index = GPOINTER_TO_UINT (l->data); printf (" 0x%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 mono_domain_lock (domain); 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; 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; //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); } } mono_arch_emit_exceptions (cfg); max_epilog_size = 0; code = cfg->native_code + cfg->code_len; /* we always allocate code in cfg->domain->code_mp to increase locality */ cfg->code_size = cfg->code_len + max_epilog_size; /* 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); 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 (cfg->domain, cfg->code_size + unwindlen); } memcpy (code, cfg->native_code, cfg->code_len); #ifdef __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); } #else g_free (cfg->native_code); #endif 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 #ifdef __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->run_cctors); if (cfg->method->dynamic) { mono_code_manager_commit (cfg->dynamic_info->code_mp, cfg->native_code, cfg->code_size, cfg->code_len); } else { mono_domain_code_commit (cfg->domain, cfg->native_code, cfg->code_size, cfg->code_len); } 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 MonoJitInfo* create_jit_info (MonoCompile *cfg, MonoMethod *method_to_compile) { GSList *tmp; MonoMethodHeader *header; MonoJitInfo *jinfo; int num_clauses; int generic_info_size; int holes_size = 0, num_holes = 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->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 (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); } else { jinfo = mono_domain_alloc0 (cfg->domain, MONO_SIZEOF_JIT_INFO + (num_clauses * sizeof (MonoJitExceptionInfo)) + generic_info_size + holes_size); } jinfo->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->cas_inited = FALSE; /* initialization delayed at the first stalk walk using this method */ jinfo->num_clauses = num_clauses; if (COMPILE_LLVM (cfg)) jinfo->from_llvm = TRUE; if (cfg->generic_sharing_context) { MonoInst *inst; MonoGenericJitInfo *gi; jinfo->has_generic_jit_info = 1; gi = mono_jit_info_get_generic_jit_info (jinfo); g_assert (gi); gi->generic_sharing_context = cfg->generic_sharing_context; 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); } else { inst = cfg->args [0]; } 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 (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); ei->try_start = cfg->native_code + tblock->native_offset; g_assert (tblock->native_offset); tblock = cfg->cil_offset_to_bb [ec->try_offset + ec->try_len]; g_assert (tblock); 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]; g_assert (tblock); end_offset = tblock->native_offset; } 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; printf ("JitInfo EH clause %d flags %x try %x-%x handler %x\n", i, ei->flags, start, end, handler); } } /* * Its possible to generate dwarf unwind info for xdebug etc, but not actually * using it during runtime, hence the define. */ #ifdef MONO_ARCH_HAVE_XP_UNWIND 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); } #endif return jinfo; } #endif /* * mini_get_shared_method: * * Return the method which is actually compiled/registered when doing generic sharing. */ MonoMethod* mini_get_shared_method (MonoMethod *method) { MonoGenericContext shared_context; MonoMethod *declaring_method, *res; int i; gboolean partial = FALSE; if (method->is_generic || method->klass->generic_container) 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 partial sharing */ if (method != declaring_method && method->is_inflated && !mono_method_is_generic_sharable_impl_full (method, FALSE, FALSE)) { MonoGenericContext *context = mono_method_get_context (method); MonoGenericInst *inst; MonoType **type_argv; /* * Create the shared context by replacing the ref type arguments with * type parameters, and keeping the rest. */ partial = TRUE; inst = context->class_inst; if (inst) { type_argv = g_new0 (MonoType*, inst->type_argc); for (i = 0; i < inst->type_argc; ++i) { if (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_context.class_inst->type_argv [i]; else type_argv [i] = inst->type_argv [i]; } shared_context.class_inst = mono_metadata_get_generic_inst (inst->type_argc, type_argv); g_free (type_argv); } inst = context->method_inst; if (inst) { type_argv = g_new0 (MonoType*, inst->type_argc); for (i = 0; i < inst->type_argc; ++i) { if (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_context.method_inst->type_argv [i]; else type_argv [i] = inst->type_argv [i]; } shared_context.method_inst = mono_metadata_get_generic_inst (inst->type_argc, type_argv); g_free (type_argv); } } 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; } #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 * @run_cctors: whether we should run type ctors if possible * @compile_aot: whether this is an AOT compilation * @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, gboolean run_cctors, gboolean compile_aot, 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; mono_jit_stats.methods_compiled++; if (mono_profiler_get_events () & MONO_PROFILE_JIT_COMPILATION) mono_profiler_method_jit (method); if (MONO_PROBE_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_impl (method, TRUE))); else try_generic_shared = mono_class_generic_sharing_enabled (method->klass) && (opts & MONO_OPT_GSHARED) && mono_method_is_generic_sharable_impl (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++; } #ifdef ENABLE_LLVM try_llvm = mono_use_llvm; #endif restart_compile: 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->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; if (try_generic_shared) cfg->generic_sharing_context = (MonoGenericSharingContext*)&cfg->generic_sharing_context; 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)) { cfg->exception_type = MONO_EXCEPTION_GENERIC_SHARING_FAILED; return cfg; } 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_PROBE_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_PROBE_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 (mono_debug_using_mono_debugger () || 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. */ 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; 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 (getenv ("MONO_VERBOSE_METHOD")) { char *name = 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, 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) { if (COMPILE_LLVM (cfg)) g_print ("converting llvm method %s\n", mono_method_full_name (method, TRUE)); else if (cfg->generic_sharing_context) g_print ("converting shared method %s\n", mono_method_full_name (method_to_compile, TRUE)); else g_print ("converting method %s\n", mono_method_full_name (method, TRUE)); } 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 (getenv ("COUNT2")) { cfg->globalra = TRUE; if (count == atoi (getenv ("COUNT2"))) printf ("LAST: %s\n", mono_method_full_name (cfg->method, TRUE)); if (count > atoi (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)) 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_PROBE_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_PROBE_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; } mono_jit_stats.basic_blocks += cfg->num_bblocks; mono_jit_stats.max_basic_blocks = MAX (cfg->num_bblocks, mono_jit_stats.max_basic_blocks); 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); /*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); /* 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_PROBE_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_PROBE_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)) { /* 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_PROBE_METHOD_COMPILE_END_ENABLED ()) MONO_PROBE_METHOD_COMPILE_END (method, TRUE); return cfg; } #ifdef MONO_ARCH_SOFT_FLOAT if (!COMPILE_LLVM (cfg)) mono_decompose_soft_float (cfg); #endif if (!COMPILE_LLVM (cfg)) 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); 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); } 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 mono_save_xdebug_info (cfg); mini_gc_create_gc_map (cfg); mono_save_seq_point_info (cfg); 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); } /* collect statistics */ mono_perfcounters->jit_methods++; mono_perfcounters->jit_bytes += header->code_size; 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_PROBE_METHOD_COMPILE_END_ENABLED ()) MONO_PROBE_METHOD_COMPILE_END (method, TRUE); return cfg; } #else MonoCompile* mini_method_compile (MonoMethod *method, guint32 opts, MonoDomain *domain, gboolean run_cctors, gboolean compile_aot, 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_impl (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->method, TRUE); mono_emit_jit_tramp (jinfo->code_start, jinfo->code_size, name); g_free (name); } } #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; #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); return mono_get_addr_from_ftnptr (mono_compile_method (nm)); //if (mono_debug_format != MONO_DEBUG_FORMAT_NONE) //mono_debug_add_wrapper (method, nm); } 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 (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 (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.\n", fullname); *jit_ex = mono_get_exception_execution_engine (msg); g_free (fullname); g_free (msg); return NULL; } cfg = mini_method_compile (method, opt, target_domain, TRUE, FALSE, 0); 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; /* 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; } case MONO_EXCEPTION_OBJECT_SUPPLIED: { MonoException *exp = cfg->exception_ptr; MONO_GC_UNREGISTER_ROOT (cfg->exception_ptr); ex = exp; 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->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_impl (method, FALSE)) mono_stats.generics_shared_methods++; } else { mono_domain_jit_code_hash_unlock (target_domain); } jinfo = cfg->jit_info; prof_options = cfg->prof_options; mono_destroy_compile (cfg); #ifndef DISABLE_JIT if (domain_jit_info (target_domain)->jump_target_hash) { MonoJumpInfo patch_info; GSList *list, *tmp; list = g_hash_table_lookup (domain_jit_info (target_domain)->jump_target_hash, method); if (list) { 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); } for (tmp = list; tmp; tmp = tmp->next) mono_arch_patch_code (NULL, target_domain, tmp->data, &patch_info, TRUE); g_slist_free (list); } 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); } } else { mono_profiler_method_end_jit (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; MonoJitICallInfo *callinfo = 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) && (strstr (method->name, "__icall_wrapper_") == method->name)) { const char *icall_name; icall_name = method->name + strlen ("__icall_wrapper_"); g_assert (icall_name); callinfo = mono_find_jit_icall_by_name (icall_name); g_assert (callinfo); /* Must be domain neutral since there is only one copy */ opt |= MONO_OPT_SHARED; } if (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)) { MonoVTable *vtable; mono_jit_stats.methods_lookups++; vtable = mono_class_vtable (domain, method->klass); g_assert (vtable); mono_runtime_class_init (vtable); return mono_create_ftnptr (target_domain, info->code_start); } } code = mono_jit_compile_method_inner (method, target_domain, opt, ex); if (!code) return NULL; p = mono_create_ftnptr (target_domain, code); if (callinfo) { mono_jit_lock (); if (!callinfo->wrapper) { callinfo->wrapper = p; mono_register_jit_icall_wrapper (callinfo, p); mono_debug_add_icall_wrapper (method, callinfo); } mono_jit_unlock (); } return p; } gpointer mono_jit_compile_method (MonoMethod *method) { MonoException *ex = NULL; gpointer code; code = mono_jit_compile_method_with_opt (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.go-mono.com/delegate.html 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; g_assert (method->dynamic); mono_domain_lock (domain); ji = mono_dynamic_code_hash_lookup (domain, method); mono_domain_unlock (domain); if (!ji) return; 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); 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; } 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; 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_get_mode () == MONO_SECURITY_MODE_CORE_CLR) { /* * 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); 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. */ info->compiled_method = NULL; } else { MonoException *jit_ex = NULL; info->compiled_method = mono_jit_compile_method_with_opt (method, 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); } } if (mono_method_needs_static_rgctx_invoke (method, FALSE)) info->compiled_method = mono_create_static_rgctx_trampoline (method, info->compiled_method); } /* * 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) { 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 (method->klass->contextbound || !info->compiled_method) supported = FALSE; if (supported) info->dyn_call_info = mono_arch_dyn_call_prepare (sig); if (info->dyn_call_info) { switch (sig->ret->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 (sig->ret); 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 (sig->ret)) info->ret_box_class = mono_class_from_mono_type (sig->ret); break; case MONO_TYPE_VALUETYPE: info->ret_box_class = mono_class_from_mono_type (sig->ret); 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); } void SIG_HANDLER_SIGNATURE (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)) exc = mono_get_exception_arithmetic (); 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, FALSE); } void SIG_HANDLER_SIGNATURE (mono_sigill_signal_handler) { MonoException *exc; GET_CONTEXT; exc = mono_get_exception_execution_engine ("SIGILL"); mono_arch_handle_exception (ctx, exc, FALSE); } #if defined(MONO_ARCH_USE_SIGACTION) || defined(HOST_WIN32) #define HAVE_SIG_INFO #endif void SIG_HANDLER_SIGNATURE (mono_sigsegv_signal_handler) { MonoJitInfo *ji; MonoJitTlsData *jit_tls = TlsGetValue (mono_jit_tls_id); 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) 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; /* The hard-guard page has been hit: there is not much we can do anymore * Print a hopefully clear message and abort. */ if (jit_tls->stack_size && ABS ((guint8*)info->si_addr - ((guint8*)jit_tls->end_of_stack - jit_tls->stack_size)) < 32768) { const char *method; /* we don't do much now, but we can warn the user with a useful message */ fprintf (stderr, "Stack overflow: IP: %p, fault addr: %p\n", mono_arch_ip_from_context (ctx), (gpointer)info->si_addr); if (ji && ji->method) method = mono_method_full_name (ji->method, TRUE); else method = "Unmanaged"; fprintf (stderr, "At %s\n", method); _exit (1); } 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, FALSE); #endif } void SIG_HANDLER_SIGNATURE (mono_sigint_signal_handler) { MonoException *exc; GET_CONTEXT; exc = mono_get_exception_execution_engine ("Interrupted (SIGINT)."); mono_arch_handle_exception (ctx, exc, FALSE); } /* 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 && (method->klass->marshalbyref || 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); } 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) { char *options = 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, "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 { 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', '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) { #ifdef __ia64__ gpointer *desc; desc = mono_domain_code_reserve (domain, 2 * sizeof (gpointer)); desc [0] = addr; desc [1] = NULL; return desc; #elif defined(__ppc64__) || defined(__powerpc64__) gpointer *desc; desc = mono_domain_alloc0 (domain, 3 * sizeof (gpointer)); desc [0] = addr; desc [1] = NULL; desc [2] = NULL; return desc; #else return addr; #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_LONG, &mono_jit_stats.methods_compiled); mono_counters_register ("Methods from AOT", MONO_COUNTER_JIT | MONO_COUNTER_LONG, &mono_jit_stats.methods_aot); mono_counters_register ("Methods JITted using LLVM", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.methods_with_llvm); mono_counters_register ("Methods JITted using mono JIT", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.methods_without_llvm); } static void runtime_invoke_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, g_free); info->arch_seq_points = g_hash_table_new (mono_aligned_addr_hash, NULL); domain->runtime_info = info; } static void delete_jump_list (gpointer key, gpointer value, gpointer user_data) { g_slist_free (value); } static void dynamic_method_info_free (gpointer key, gpointer value, gpointer user_data) { MonoJitDynamicMethodInfo *di = value; mono_code_manager_destroy (di->code_mp); g_free (di); } static void runtime_invoke_info_free (gpointer value) { RuntimeInvokeInfo *info = (RuntimeInvokeInfo*)value; #ifdef MONO_ARCH_DYN_CALL_SUPPORTED if (info->dyn_call_info) mono_arch_dyn_call_free (info->dyn_call_info); #endif g_free (info); } static void mini_free_jit_domain_info (MonoDomain *domain) { MonoJitDomainInfo *info = domain_jit_info (domain); if (info->jump_target_hash) { 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_jump_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); g_free (domain->runtime_info); domain->runtime_info = NULL; } MonoDomain * mini_init (const char *filename, const char *runtime_version) { MonoDomain *domain; MonoRuntimeCallbacks callbacks; MONO_PROBE_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 /* Happens when using the embedding interface */ if (!default_opt_set) default_opt = mono_parse_default_optimizations (NULL); InitializeCriticalSection (&jit_mutex); #ifdef MONO_DEBUGGER_SUPPORTED if (mini_debug_running_inside_mdb ()) mini_debugger_init (); #endif #ifdef MONO_ARCH_HAVE_TLS_GET mono_runtime_set_has_tls_get (MONO_ARCH_HAVE_TLS_GET); #else mono_runtime_set_has_tls_get (FALSE); #endif 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; #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); mono_arch_cpu_init (); mono_arch_init (); mono_unwind_init (); mini_gc_init (); if (getenv ("MONO_DEBUG") != NULL) mini_parse_debug_options (); if (getenv ("MONO_XDEBUG")) { char *xdebug_opts = 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_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_jit_tls_id = TlsAlloc (); setup_jit_tls_data ((gpointer)-1, mono_thread_abort); 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 (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); mono_install_remoting_trampoline (mono_jit_create_remoting_trampoline); 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_stack_walk (mono_jit_walk_stack); 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); } #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 /* This must come after mono_init () in the aot-only case */ mono_exceptions_init (); mono_install_handler (mono_get_throw_exception ()); mono_icall_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); create_helper_signature (); 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", "void", TRUE); register_icall (mono_domain_get, "mono_domain_get", "ptr", TRUE); register_icall (mono_get_throw_exception (), "mono_arch_throw_exception", "void object", TRUE); register_icall (mono_get_rethrow_exception (), "mono_arch_rethrow_exception", "void object", TRUE); #if MONO_ARCH_HAVE_THROW_CORLIB_EXCEPTION register_icall (mono_get_throw_corlib_exception (), "mono_arch_throw_corlib_exception", "void ptr", TRUE); #endif 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); 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); /* * 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 mono_register_opcode_emulation (OP_LMUL, "__emul_lmul", "long long long", mono_llmult, TRUE); mono_register_opcode_emulation (OP_LDIV, "__emul_ldiv", "long long long", mono_lldiv, FALSE); mono_register_opcode_emulation (OP_LDIV_UN, "__emul_ldiv_un", "long long long", mono_lldiv_un, FALSE); mono_register_opcode_emulation (OP_LREM, "__emul_lrem", "long long long", mono_llrem, FALSE); mono_register_opcode_emulation (OP_LREM_UN, "__emul_lrem_un", "long long long", mono_llrem_un, FALSE); mono_register_opcode_emulation (OP_LMUL_OVF_UN, "__emul_lmul_ovf_un", "long long long", mono_llmult_ovf_un, FALSE); mono_register_opcode_emulation (OP_LMUL_OVF, "__emul_lmul_ovf", "long long long", mono_llmult_ovf, FALSE); #endif #ifndef MONO_ARCH_NO_EMULATE_LONG_SHIFT_OPS mono_register_opcode_emulation (OP_LSHL, "__emul_lshl", "long long int32", mono_lshl, TRUE); mono_register_opcode_emulation (OP_LSHR, "__emul_lshr", "long long int32", mono_lshr, TRUE); mono_register_opcode_emulation (OP_LSHR_UN, "__emul_lshr_un", "long long int32", mono_lshr_un, TRUE); #endif #if defined(MONO_ARCH_EMULATE_MUL_DIV) || defined(MONO_ARCH_EMULATE_DIV) mono_register_opcode_emulation (CEE_DIV, "__emul_idiv", "int32 int32 int32", mono_idiv, FALSE); mono_register_opcode_emulation (CEE_DIV_UN, "__emul_idiv_un", "int32 int32 int32", mono_idiv_un, FALSE); mono_register_opcode_emulation (CEE_REM, "__emul_irem", "int32 int32 int32", mono_irem, FALSE); mono_register_opcode_emulation (CEE_REM_UN, "__emul_irem_un", "int32 int32 int32", mono_irem_un, FALSE); mono_register_opcode_emulation (OP_IDIV, "__emul_op_idiv", "int32 int32 int32", mono_idiv, FALSE); mono_register_opcode_emulation (OP_IDIV_UN, "__emul_op_idiv_un", "int32 int32 int32", mono_idiv_un, FALSE); mono_register_opcode_emulation (OP_IREM, "__emul_op_irem", "int32 int32 int32", mono_irem, FALSE); mono_register_opcode_emulation (OP_IREM_UN, "__emul_op_irem_un", "int32 int32 int32", mono_irem_un, FALSE); #endif #ifdef MONO_ARCH_EMULATE_MUL_DIV mono_register_opcode_emulation (CEE_MUL, "__emul_imul", "int32 int32 int32", mono_imul, TRUE); mono_register_opcode_emulation (OP_IMUL, "__emul_op_imul", "int32 int32 int32", mono_imul, TRUE); #endif #if defined(MONO_ARCH_EMULATE_MUL_DIV) || defined(MONO_ARCH_EMULATE_MUL_OVF) mono_register_opcode_emulation (CEE_MUL_OVF, "__emul_imul_ovf", "int32 int32 int32", mono_imul_ovf, FALSE); mono_register_opcode_emulation (CEE_MUL_OVF_UN, "__emul_imul_ovf_un", "int32 int32 int32", mono_imul_ovf_un, FALSE); mono_register_opcode_emulation (OP_IMUL_OVF, "__emul_op_imul_ovf", "int32 int32 int32", mono_imul_ovf, FALSE); mono_register_opcode_emulation (OP_IMUL_OVF_UN, "__emul_op_imul_ovf_un", "int32 int32 int32", mono_imul_ovf_un, FALSE); #endif #if defined(MONO_ARCH_EMULATE_MUL_DIV) || defined(MONO_ARCH_SOFT_FLOAT) mono_register_opcode_emulation (OP_FDIV, "__emul_fdiv", "double double double", mono_fdiv, FALSE); #endif mono_register_opcode_emulation (OP_FCONV_TO_U8, "__emul_fconv_to_u8", "ulong double", mono_fconv_u8, FALSE); mono_register_opcode_emulation (OP_FCONV_TO_U4, "__emul_fconv_to_u4", "uint32 double", mono_fconv_u4, FALSE); mono_register_opcode_emulation (OP_FCONV_TO_OVF_I8, "__emul_fconv_to_ovf_i8", "long double", mono_fconv_ovf_i8, FALSE); mono_register_opcode_emulation (OP_FCONV_TO_OVF_U8, "__emul_fconv_to_ovf_u8", "ulong double", mono_fconv_ovf_u8, FALSE); #ifdef MONO_ARCH_EMULATE_FCONV_TO_I8 mono_register_opcode_emulation (OP_FCONV_TO_I8, "__emul_fconv_to_i8", "long double", mono_fconv_i8, FALSE); #endif #ifdef MONO_ARCH_EMULATE_CONV_R8_UN mono_register_opcode_emulation (CEE_CONV_R_UN, "__emul_conv_r_un", "double int32", mono_conv_to_r8_un, FALSE); mono_register_opcode_emulation (OP_ICONV_TO_R_UN, "__emul_iconv_to_r_un", "double int32", mono_conv_to_r8_un, FALSE); #endif #ifdef MONO_ARCH_EMULATE_LCONV_TO_R8 mono_register_opcode_emulation (OP_LCONV_TO_R8, "__emul_lconv_to_r8", "double long", mono_lconv_to_r8, FALSE); #endif #ifdef MONO_ARCH_EMULATE_LCONV_TO_R4 mono_register_opcode_emulation (OP_LCONV_TO_R4, "__emul_lconv_to_r4", "float long", mono_lconv_to_r4, FALSE); #endif #ifdef MONO_ARCH_EMULATE_LCONV_TO_R8_UN mono_register_opcode_emulation (OP_LCONV_TO_R_UN, "__emul_lconv_to_r8_un", "double long", mono_lconv_to_r8_un, FALSE); #endif #ifdef MONO_ARCH_EMULATE_FREM mono_register_opcode_emulation (OP_FREM, "__emul_frem", "double double double", fmod, FALSE); #endif #ifdef MONO_ARCH_SOFT_FLOAT mono_register_opcode_emulation (OP_FSUB, "__emul_fsub", "double double double", mono_fsub, FALSE); mono_register_opcode_emulation (OP_FADD, "__emul_fadd", "double double double", mono_fadd, FALSE); mono_register_opcode_emulation (OP_FMUL, "__emul_fmul", "double double double", mono_fmul, FALSE); mono_register_opcode_emulation (OP_FNEG, "__emul_fneg", "double double", mono_fneg, FALSE); mono_register_opcode_emulation (CEE_CONV_R8, "__emul_conv_r8", "double int32", mono_conv_to_r8, FALSE); mono_register_opcode_emulation (OP_ICONV_TO_R8, "__emul_iconv_to_r8", "double int32", mono_conv_to_r8, FALSE); mono_register_opcode_emulation (CEE_CONV_R4, "__emul_conv_r4", "double int32", mono_conv_to_r4, FALSE); mono_register_opcode_emulation (OP_ICONV_TO_R4, "__emul_iconv_to_r4", "double int32", mono_conv_to_r4, FALSE); mono_register_opcode_emulation (OP_FCONV_TO_R4, "__emul_fconv_to_r4", "double double", mono_fconv_r4, FALSE); mono_register_opcode_emulation (OP_FCONV_TO_I1, "__emul_fconv_to_i1", "int8 double", mono_fconv_i1, FALSE); mono_register_opcode_emulation (OP_FCONV_TO_I2, "__emul_fconv_to_i2", "int16 double", mono_fconv_i2, FALSE); mono_register_opcode_emulation (OP_FCONV_TO_I4, "__emul_fconv_to_i4", "int32 double", mono_fconv_i4, FALSE); mono_register_opcode_emulation (OP_FCONV_TO_U1, "__emul_fconv_to_u1", "uint8 double", mono_fconv_u1, FALSE); mono_register_opcode_emulation (OP_FCONV_TO_U2, "__emul_fconv_to_u2", "uint16 double", mono_fconv_u2, FALSE); #if SIZEOF_VOID_P == 4 mono_register_opcode_emulation (OP_FCONV_TO_I, "__emul_fconv_to_i", "int32 double", mono_fconv_i4, FALSE); #endif mono_register_opcode_emulation (OP_FBEQ, "__emul_fcmp_eq", "uint32 double double", mono_fcmp_eq, FALSE); mono_register_opcode_emulation (OP_FBLT, "__emul_fcmp_lt", "uint32 double double", mono_fcmp_lt, FALSE); mono_register_opcode_emulation (OP_FBGT, "__emul_fcmp_gt", "uint32 double double", mono_fcmp_gt, FALSE); mono_register_opcode_emulation (OP_FBLE, "__emul_fcmp_le", "uint32 double double", mono_fcmp_le, FALSE); mono_register_opcode_emulation (OP_FBGE, "__emul_fcmp_ge", "uint32 double double", mono_fcmp_ge, FALSE); mono_register_opcode_emulation (OP_FBNE_UN, "__emul_fcmp_ne_un", "uint32 double double", mono_fcmp_ne_un, FALSE); mono_register_opcode_emulation (OP_FBLT_UN, "__emul_fcmp_lt_un", "uint32 double double", mono_fcmp_lt_un, FALSE); mono_register_opcode_emulation (OP_FBGT_UN, "__emul_fcmp_gt_un", "uint32 double double", mono_fcmp_gt_un, FALSE); mono_register_opcode_emulation (OP_FBLE_UN, "__emul_fcmp_le_un", "uint32 double double", mono_fcmp_le_un, FALSE); mono_register_opcode_emulation (OP_FBGE_UN, "__emul_fcmp_ge_un", "uint32 double double", mono_fcmp_ge_un, FALSE); mono_register_opcode_emulation (OP_FCEQ, "__emul_fcmp_ceq", "uint32 double double", mono_fceq, FALSE); mono_register_opcode_emulation (OP_FCGT, "__emul_fcmp_cgt", "uint32 double double", mono_fcgt, FALSE); mono_register_opcode_emulation (OP_FCGT_UN, "__emul_fcmp_cgt_un", "uint32 double double", mono_fcgt_un, FALSE); mono_register_opcode_emulation (OP_FCLT, "__emul_fcmp_clt", "uint32 double double", mono_fclt, FALSE); mono_register_opcode_emulation (OP_FCLT_UN, "__emul_fcmp_clt_un", "uint32 double double", 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 mono_register_opcode_emulation (OP_FCONV_TO_U, "__emul_fconv_to_u", "uint32 double", mono_fconv_u4, 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, "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, "compile_generic_method", "ptr object ptr ptr", FALSE); register_icall (mono_helper_ldstr, "helper_ldstr", "object ptr int", FALSE); register_icall (mono_helper_ldstr_mscorlib, "helper_ldstr_mscorlib", "object int", FALSE); register_icall (mono_helper_newobj_mscorlib, "helper_newobj_mscorlib", "object int", FALSE); register_icall (mono_value_copy, "mono_value_copy", "void ptr ptr ptr", FALSE); register_icall (mono_object_castclass, "mono_object_castclass", "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_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_gc_wbarrier_value_copy_bitmap, "mono_gc_wbarrier_value_copy_bitmap", "void ptr ptr int int", FALSE); #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_PROBE_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 ("Methods cache lookup: %ld\n", mono_jit_stats.methods_lookups); g_print ("Basic blocks: %ld\n", mono_jit_stats.basic_blocks); g_print ("Max basic blocks: %ld\n", mono_jit_stats.max_basic_blocks); g_print ("Allocated vars: %ld\n", mono_jit_stats.allocate_var); g_print ("Compiled CIL code size: %ld\n", mono_jit_stats.cil_code_size); g_print ("Native code size: %ld\n", mono_jit_stats.native_code_size); 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 ("Code reallocs: %ld\n", mono_jit_stats.code_reallocs); g_print ("Allocated code size: %ld\n", mono_jit_stats.allocated_code_size); g_print ("Inlineable methods: %ld\n", mono_jit_stats.inlineable_methods); g_print ("Inlined methods: %ld\n", mono_jit_stats.inlined_methods); g_print ("Regvars: %ld\n", mono_jit_stats.regvars); g_print ("Locals stack size: %ld\n", mono_jit_stats.locals_stack_size); g_print ("\nCreated object count: %ld\n", mono_stats.new_object_count); 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 ("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); g_print ("Minor GC collections: %ld\n", mono_stats.minor_gc_count); g_print ("Major GC collections: %ld\n", mono_stats.major_gc_count); g_print ("Minor GC time in msecs: %lf\n", (double)mono_stats.minor_gc_time_usecs / 1000.0); g_print ("Major GC time in msecs: %lf\n", (double)mono_stats.major_gc_time_usecs / 1000.0); if (mono_security_get_mode () == MONO_SECURITY_MODE_CAS) { 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_runtime_shutdown (); /* * mono_runtime_cleanup() and mono_domain_finalize () need to * be called early since they need the execution engine still * fully working (mono_domain_finalize may invoke managed finalizers * and mono_runtime_cleanup will wait for other threads to finish). */ 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 mono_icall_cleanup (); mono_runtime_cleanup_handlers (); mono_domain_free (domain, TRUE); mono_debugger_cleanup (); #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_cleanup (); mono_trace_cleanup (); mono_counters_dump (-1, stdout); if (mono_inject_async_exc_method) mono_method_desc_free (mono_inject_async_exc_method); TlsFree(mono_jit_tls_id); DeleteCriticalSection (&jit_mutex); DeleteCriticalSection (&mono_delegate_section); } void mono_set_defaults (int verbose_level, guint32 opts) { mini_verbose = verbose_level; default_opt = opts; default_opt_set = TRUE; } void mono_disable_optimizations (guint32 opts) { default_opt &= ~opts; } /* * mono_get_runtime_build_info: * * Return the runtime version + build date in string format. * The returned string is owned by the caller. */ 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); } if (method->klass->marshalbyref && mono_method_signature (method)->hasthis) { invoke = mono_marshal_get_remoting_invoke_with_check (method); mono_compile_method (invoke); } } /* 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); } #endif