| // Copyright 2016 the V8 project authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "src/external-reference-table.h" |
| |
| #include "src/accessors.h" |
| #include "src/counters.h" |
| #include "src/external-reference.h" |
| #include "src/ic/stub-cache.h" |
| |
| #if defined(DEBUG) && defined(V8_OS_LINUX) && !defined(V8_OS_ANDROID) |
| #define SYMBOLIZE_FUNCTION |
| #include <execinfo.h> |
| #include <vector> |
| #endif // DEBUG && V8_OS_LINUX && !V8_OS_ANDROID |
| |
| namespace v8 { |
| namespace internal { |
| |
| // Forward declarations for C++ builtins. |
| #define FORWARD_DECLARE(Name) \ |
| Object* Builtin_##Name(int argc, Object** args, Isolate* isolate); |
| BUILTIN_LIST_C(FORWARD_DECLARE) |
| #undef FORWARD_DECLARE |
| |
| void ExternalReferenceTable::Init(Isolate* isolate) { |
| int index = 0; |
| |
| // kNullAddress is preserved through serialization/deserialization. |
| Add(kNullAddress, "nullptr", &index); |
| AddReferences(isolate, &index); |
| AddBuiltins(&index); |
| AddRuntimeFunctions(&index); |
| AddIsolateAddresses(isolate, &index); |
| AddAccessors(&index); |
| AddStubCache(isolate, &index); |
| is_initialized_ = static_cast<uint32_t>(true); |
| USE(unused_padding_); |
| |
| CHECK_EQ(kSize, index); |
| } |
| |
| const char* ExternalReferenceTable::ResolveSymbol(void* address) { |
| #ifdef SYMBOLIZE_FUNCTION |
| char** names = backtrace_symbols(&address, 1); |
| const char* name = names[0]; |
| // The array of names is malloc'ed. However, each name string is static |
| // and do not need to be freed. |
| free(names); |
| return name; |
| #else |
| return "<unresolved>"; |
| #endif // SYMBOLIZE_FUNCTION |
| } |
| |
| void ExternalReferenceTable::Add(Address address, const char* name, |
| int* index) { |
| refs_[(*index)++] = {address, name}; |
| } |
| |
| void ExternalReferenceTable::AddReferences(Isolate* isolate, int* index) { |
| CHECK_EQ(kSpecialReferenceCount, *index); |
| |
| #define ADD_EXTERNAL_REFERENCE(name, desc) \ |
| Add(ExternalReference::name().address(), desc, index); |
| EXTERNAL_REFERENCE_LIST(ADD_EXTERNAL_REFERENCE) |
| #undef ADD_EXTERNAL_REFERENCE |
| |
| #define ADD_EXTERNAL_REFERENCE(name, desc) \ |
| Add(ExternalReference::name(isolate).address(), desc, index); |
| EXTERNAL_REFERENCE_LIST_WITH_ISOLATE(ADD_EXTERNAL_REFERENCE) |
| #undef ADD_EXTERNAL_REFERENCE |
| |
| CHECK_EQ(kSpecialReferenceCount + kExternalReferenceCount, *index); |
| } |
| |
| void ExternalReferenceTable::AddBuiltins(int* index) { |
| CHECK_EQ(kSpecialReferenceCount + kExternalReferenceCount, *index); |
| |
| struct CBuiltinEntry { |
| Address address; |
| const char* name; |
| }; |
| static const CBuiltinEntry c_builtins[] = { |
| #define DEF_ENTRY(Name, ...) {FUNCTION_ADDR(&Builtin_##Name), "Builtin_" #Name}, |
| BUILTIN_LIST_C(DEF_ENTRY) |
| #undef DEF_ENTRY |
| }; |
| for (unsigned i = 0; i < arraysize(c_builtins); ++i) { |
| Add(ExternalReference::Create(c_builtins[i].address).address(), |
| c_builtins[i].name, index); |
| } |
| |
| CHECK_EQ(kSpecialReferenceCount + kExternalReferenceCount + |
| kBuiltinsReferenceCount, |
| *index); |
| } |
| |
| void ExternalReferenceTable::AddRuntimeFunctions(int* index) { |
| CHECK_EQ(kSpecialReferenceCount + kExternalReferenceCount + |
| kBuiltinsReferenceCount, |
| *index); |
| |
| struct RuntimeEntry { |
| Runtime::FunctionId id; |
| const char* name; |
| }; |
| |
| static const RuntimeEntry runtime_functions[] = { |
| #define RUNTIME_ENTRY(name, i1, i2) {Runtime::k##name, "Runtime::" #name}, |
| FOR_EACH_INTRINSIC(RUNTIME_ENTRY) |
| #undef RUNTIME_ENTRY |
| }; |
| |
| for (unsigned i = 0; i < arraysize(runtime_functions); ++i) { |
| ExternalReference ref = ExternalReference::Create(runtime_functions[i].id); |
| Add(ref.address(), runtime_functions[i].name, index); |
| } |
| |
| CHECK_EQ(kSpecialReferenceCount + kExternalReferenceCount + |
| kBuiltinsReferenceCount + kRuntimeReferenceCount, |
| *index); |
| } |
| |
| void ExternalReferenceTable::AddIsolateAddresses(Isolate* isolate, int* index) { |
| CHECK_EQ(kSpecialReferenceCount + kExternalReferenceCount + |
| kBuiltinsReferenceCount + kRuntimeReferenceCount, |
| *index); |
| |
| // Top addresses |
| static const char* address_names[] = { |
| #define BUILD_NAME_LITERAL(Name, name) "Isolate::" #name "_address", |
| FOR_EACH_ISOLATE_ADDRESS_NAME(BUILD_NAME_LITERAL) nullptr |
| #undef BUILD_NAME_LITERAL |
| }; |
| |
| for (int i = 0; i < IsolateAddressId::kIsolateAddressCount; ++i) { |
| Add(isolate->get_address_from_id(static_cast<IsolateAddressId>(i)), |
| address_names[i], index); |
| } |
| |
| CHECK_EQ(kSpecialReferenceCount + kExternalReferenceCount + |
| kBuiltinsReferenceCount + kRuntimeReferenceCount + |
| kIsolateAddressReferenceCount, |
| *index); |
| } |
| |
| void ExternalReferenceTable::AddAccessors(int* index) { |
| CHECK_EQ(kSpecialReferenceCount + kExternalReferenceCount + |
| kBuiltinsReferenceCount + kRuntimeReferenceCount + |
| kIsolateAddressReferenceCount, |
| *index); |
| |
| // Accessors |
| struct AccessorRefTable { |
| Address address; |
| const char* name; |
| }; |
| |
| static const AccessorRefTable getters[] = { |
| #define ACCESSOR_INFO_DECLARATION(_, accessor_name, AccessorName, ...) \ |
| {FUNCTION_ADDR(&Accessors::AccessorName##Getter), \ |
| "Accessors::" #AccessorName "Getter"}, /* NOLINT(whitespace/indent) */ |
| ACCESSOR_INFO_LIST_GENERATOR(ACCESSOR_INFO_DECLARATION, /* not used */) |
| #undef ACCESSOR_INFO_DECLARATION |
| }; |
| static const AccessorRefTable setters[] = { |
| #define ACCESSOR_SETTER_DECLARATION(name) \ |
| { FUNCTION_ADDR(&Accessors::name), "Accessors::" #name}, |
| ACCESSOR_SETTER_LIST(ACCESSOR_SETTER_DECLARATION) |
| #undef ACCESSOR_SETTER_DECLARATION |
| }; |
| |
| for (unsigned i = 0; i < arraysize(getters); ++i) { |
| Add(getters[i].address, getters[i].name, index); |
| } |
| |
| for (unsigned i = 0; i < arraysize(setters); ++i) { |
| Add(setters[i].address, setters[i].name, index); |
| } |
| |
| CHECK_EQ(kSpecialReferenceCount + kExternalReferenceCount + |
| kBuiltinsReferenceCount + kRuntimeReferenceCount + |
| kIsolateAddressReferenceCount + kAccessorReferenceCount, |
| *index); |
| } |
| |
| void ExternalReferenceTable::AddStubCache(Isolate* isolate, int* index) { |
| CHECK_EQ(kSpecialReferenceCount + kExternalReferenceCount + |
| kBuiltinsReferenceCount + kRuntimeReferenceCount + |
| kIsolateAddressReferenceCount + kAccessorReferenceCount, |
| *index); |
| |
| StubCache* load_stub_cache = isolate->load_stub_cache(); |
| |
| // Stub cache tables |
| Add(load_stub_cache->key_reference(StubCache::kPrimary).address(), |
| "Load StubCache::primary_->key", index); |
| Add(load_stub_cache->value_reference(StubCache::kPrimary).address(), |
| "Load StubCache::primary_->value", index); |
| Add(load_stub_cache->map_reference(StubCache::kPrimary).address(), |
| "Load StubCache::primary_->map", index); |
| Add(load_stub_cache->key_reference(StubCache::kSecondary).address(), |
| "Load StubCache::secondary_->key", index); |
| Add(load_stub_cache->value_reference(StubCache::kSecondary).address(), |
| "Load StubCache::secondary_->value", index); |
| Add(load_stub_cache->map_reference(StubCache::kSecondary).address(), |
| "Load StubCache::secondary_->map", index); |
| |
| StubCache* store_stub_cache = isolate->store_stub_cache(); |
| |
| // Stub cache tables |
| Add(store_stub_cache->key_reference(StubCache::kPrimary).address(), |
| "Store StubCache::primary_->key", index); |
| Add(store_stub_cache->value_reference(StubCache::kPrimary).address(), |
| "Store StubCache::primary_->value", index); |
| Add(store_stub_cache->map_reference(StubCache::kPrimary).address(), |
| "Store StubCache::primary_->map", index); |
| Add(store_stub_cache->key_reference(StubCache::kSecondary).address(), |
| "Store StubCache::secondary_->key", index); |
| Add(store_stub_cache->value_reference(StubCache::kSecondary).address(), |
| "Store StubCache::secondary_->value", index); |
| Add(store_stub_cache->map_reference(StubCache::kSecondary).address(), |
| "Store StubCache::secondary_->map", index); |
| |
| CHECK_EQ(kSpecialReferenceCount + kExternalReferenceCount + |
| kBuiltinsReferenceCount + kRuntimeReferenceCount + |
| kIsolateAddressReferenceCount + kAccessorReferenceCount + |
| kStubCacheReferenceCount, |
| *index); |
| CHECK_EQ(kSize, *index); |
| } |
| |
| } // namespace internal |
| } // namespace v8 |
| |
| #undef SYMBOLIZE_FUNCTION |