| // Copyright 2018 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. |
| |
| #ifndef V8_EXTERNAL_REFERENCE_H_ |
| #define V8_EXTERNAL_REFERENCE_H_ |
| |
| #include "src/globals.h" |
| #include "src/isolate.h" |
| #include "src/runtime/runtime.h" |
| |
| namespace v8 { |
| |
| class ApiFunction; |
| |
| namespace internal { |
| |
| class Isolate; |
| class SCTableReference; |
| class StatsCounter; |
| |
| //------------------------------------------------------------------------------ |
| // External references |
| |
| #define EXTERNAL_REFERENCE_LIST(V) \ |
| V(address_of_double_abs_constant, "double_absolute_constant") \ |
| V(address_of_double_neg_constant, "double_negate_constant") \ |
| V(address_of_float_abs_constant, "float_absolute_constant") \ |
| V(address_of_float_neg_constant, "float_negate_constant") \ |
| V(address_of_min_int, "LDoubleConstant::min_int") \ |
| V(address_of_minus_one_half, "double_constants.minus_one_half") \ |
| V(address_of_negative_infinity, "LDoubleConstant::negative_infinity") \ |
| V(address_of_one_half, "LDoubleConstant::one_half") \ |
| V(address_of_pending_message_obj, "address_of_pending_message_obj") \ |
| V(address_of_real_stack_limit, "StackGuard::address_of_real_jslimit()") \ |
| V(address_of_stack_limit, "StackGuard::address_of_jslimit()") \ |
| V(address_of_the_hole_nan, "the_hole_nan") \ |
| V(address_of_uint32_bias, "uint32_bias") \ |
| V(allocation_sites_list_address, "Heap::allocation_sites_list_address()") \ |
| V(builtins_address, "builtins") \ |
| V(bytecode_size_table_address, "Bytecodes::bytecode_size_table_address") \ |
| V(check_object_type, "check_object_type") \ |
| V(compute_output_frames_function, "Deoptimizer::ComputeOutputFrames()") \ |
| V(copy_fast_number_jsarray_elements_to_typed_array, \ |
| "copy_fast_number_jsarray_elements_to_typed_array") \ |
| V(copy_typed_array_elements_slice, "copy_typed_array_elements_slice") \ |
| V(copy_typed_array_elements_to_typed_array, \ |
| "copy_typed_array_elements_to_typed_array") \ |
| V(cpu_features, "cpu_features") \ |
| V(date_cache_stamp, "date_cache_stamp") \ |
| V(debug_hook_on_function_call_address, \ |
| "Debug::hook_on_function_call_address()") \ |
| V(debug_is_active_address, "Debug::is_active_address()") \ |
| V(debug_last_step_action_address, "Debug::step_in_enabled_address()") \ |
| V(debug_restart_fp_address, "Debug::restart_fp_address()") \ |
| V(debug_suspended_generator_address, \ |
| "Debug::step_suspended_generator_address()") \ |
| V(delete_handle_scope_extensions, "HandleScope::DeleteExtensions") \ |
| V(f64_acos_wrapper_function, "f64_acos_wrapper") \ |
| V(f64_asin_wrapper_function, "f64_asin_wrapper") \ |
| V(f64_mod_wrapper_function, "f64_mod_wrapper") \ |
| V(fixed_typed_array_base_data_offset, "fixed_typed_array_base_data_offset") \ |
| V(force_slow_path, "Isolate::force_slow_path_address()") \ |
| V(get_date_field_function, "JSDate::GetField") \ |
| V(get_or_create_hash_raw, "get_or_create_hash_raw") \ |
| V(handle_scope_implementer_address, \ |
| "Isolate::handle_scope_implementer_address") \ |
| V(handle_scope_level_address, "HandleScope::level") \ |
| V(handle_scope_limit_address, "HandleScope::limit") \ |
| V(handle_scope_next_address, "HandleScope::next") \ |
| V(heap_is_marking_flag_address, "heap_is_marking_flag_address") \ |
| V(ieee754_acos_function, "base::ieee754::acos") \ |
| V(ieee754_acosh_function, "base::ieee754::acosh") \ |
| V(ieee754_asin_function, "base::ieee754::asin") \ |
| V(ieee754_asinh_function, "base::ieee754::asinh") \ |
| V(ieee754_atan2_function, "base::ieee754::atan2") \ |
| V(ieee754_atan_function, "base::ieee754::atan") \ |
| V(ieee754_atanh_function, "base::ieee754::atanh") \ |
| V(ieee754_cbrt_function, "base::ieee754::cbrt") \ |
| V(ieee754_cos_function, "base::ieee754::cos") \ |
| V(ieee754_cosh_function, "base::ieee754::cosh") \ |
| V(ieee754_exp_function, "base::ieee754::exp") \ |
| V(ieee754_expm1_function, "base::ieee754::expm1") \ |
| V(ieee754_log10_function, "base::ieee754::log10") \ |
| V(ieee754_log1p_function, "base::ieee754::log1p") \ |
| V(ieee754_log2_function, "base::ieee754::log2") \ |
| V(ieee754_log_function, "base::ieee754::log") \ |
| V(ieee754_sin_function, "base::ieee754::sin") \ |
| V(ieee754_sinh_function, "base::ieee754::sinh") \ |
| V(ieee754_tan_function, "base::ieee754::tan") \ |
| V(ieee754_tanh_function, "base::ieee754::tanh") \ |
| V(incremental_marking_record_write_function, \ |
| "IncrementalMarking::RecordWrite") \ |
| V(interpreter_dispatch_counters, "Interpreter::dispatch_counters") \ |
| V(interpreter_dispatch_table_address, "Interpreter::dispatch_table_address") \ |
| V(invalidate_prototype_chains_function, \ |
| "JSObject::InvalidatePrototypeChains()") \ |
| V(invoke_accessor_getter_callback, "InvokeAccessorGetterCallback") \ |
| V(invoke_function_callback, "InvokeFunctionCallback") \ |
| V(isolate_address, "isolate") \ |
| V(is_profiling_address, "Isolate::is_profiling") \ |
| V(jsreceiver_create_identity_hash, "jsreceiver_create_identity_hash") \ |
| V(libc_memchr_function, "libc_memchr") \ |
| V(libc_memcpy_function, "libc_memcpy") \ |
| V(libc_memmove_function, "libc_memmove") \ |
| V(libc_memset_function, "libc_memset") \ |
| V(log_enter_external_function, "Logger::EnterExternal") \ |
| V(log_leave_external_function, "Logger::LeaveExternal") \ |
| V(mod_two_doubles_operation, "mod_two_doubles") \ |
| V(new_deoptimizer_function, "Deoptimizer::New()") \ |
| V(new_space_allocation_limit_address, \ |
| "Heap::NewSpaceAllocationLimitAddress()") \ |
| V(new_space_allocation_top_address, "Heap::NewSpaceAllocationTopAddress()") \ |
| V(old_space_allocation_limit_address, \ |
| "Heap::OldSpaceAllocationLimitAddress") \ |
| V(old_space_allocation_top_address, "Heap::OldSpaceAllocationTopAddress") \ |
| V(orderedhashmap_gethash_raw, "orderedhashmap_gethash_raw") \ |
| V(pending_microtask_count_address, \ |
| "Isolate::pending_microtask_count_address()") \ |
| V(power_double_double_function, "power_double_double_function") \ |
| V(printf_function, "printf") \ |
| V(promise_hook_or_debug_is_active_address, \ |
| "Isolate::promise_hook_or_debug_is_active_address()") \ |
| V(roots_array_start, "Heap::roots_array_start()") \ |
| V(runtime_function_table_address, \ |
| "Runtime::runtime_function_table_address()") \ |
| V(scheduled_exception_address, "Isolate::scheduled_exception") \ |
| V(search_string_raw_one_one, "search_string_raw_one_one") \ |
| V(search_string_raw_one_two, "search_string_raw_one_two") \ |
| V(search_string_raw_two_one, "search_string_raw_two_one") \ |
| V(search_string_raw_two_two, "search_string_raw_two_two") \ |
| V(store_buffer_overflow_function, "StoreBuffer::StoreBufferOverflow") \ |
| V(store_buffer_top, "store_buffer_top") \ |
| V(stress_deopt_count, "Isolate::stress_deopt_count_address()") \ |
| V(try_internalize_string_function, "try_internalize_string_function") \ |
| V(wasm_call_trap_callback_for_testing, \ |
| "wasm::call_trap_callback_for_testing") \ |
| V(wasm_clear_thread_in_wasm_flag, "wasm::clear_thread_in_wasm_flag") \ |
| V(wasm_f32_ceil, "wasm::f32_ceil_wrapper") \ |
| V(wasm_f32_floor, "wasm::f32_floor_wrapper") \ |
| V(wasm_f32_nearest_int, "wasm::f32_nearest_int_wrapper") \ |
| V(wasm_f32_trunc, "wasm::f32_trunc_wrapper") \ |
| V(wasm_f64_ceil, "wasm::f64_ceil_wrapper") \ |
| V(wasm_f64_floor, "wasm::f64_floor_wrapper") \ |
| V(wasm_f64_nearest_int, "wasm::f64_nearest_int_wrapper") \ |
| V(wasm_f64_trunc, "wasm::f64_trunc_wrapper") \ |
| V(wasm_float32_to_int64, "wasm::float32_to_int64_wrapper") \ |
| V(wasm_float32_to_uint64, "wasm::float32_to_uint64_wrapper") \ |
| V(wasm_float64_pow, "wasm::float64_pow") \ |
| V(wasm_float64_to_int64, "wasm::float64_to_int64_wrapper") \ |
| V(wasm_float64_to_uint64, "wasm::float64_to_uint64_wrapper") \ |
| V(wasm_int64_div, "wasm::int64_div") \ |
| V(wasm_int64_mod, "wasm::int64_mod") \ |
| V(wasm_int64_to_float32, "wasm::int64_to_float32_wrapper") \ |
| V(wasm_int64_to_float64, "wasm::int64_to_float64_wrapper") \ |
| V(wasm_set_thread_in_wasm_flag, "wasm::set_thread_in_wasm_flag") \ |
| V(wasm_uint64_div, "wasm::uint64_div") \ |
| V(wasm_uint64_mod, "wasm::uint64_mod") \ |
| V(wasm_uint64_to_float32, "wasm::uint64_to_float32_wrapper") \ |
| V(wasm_uint64_to_float64, "wasm::uint64_to_float64_wrapper") \ |
| V(wasm_word32_ctz, "wasm::word32_ctz") \ |
| V(wasm_word32_popcnt, "wasm::word32_popcnt") \ |
| V(wasm_word32_rol, "wasm::word32_rol") \ |
| V(wasm_word32_ror, "wasm::word32_ror") \ |
| V(wasm_word64_ctz, "wasm::word64_ctz") \ |
| V(wasm_word64_popcnt, "wasm::word64_popcnt") \ |
| EXTERNAL_REFERENCE_LIST_NON_INTERPRETED_REGEXP(V) \ |
| EXTERNAL_REFERENCE_LIST_INTL(V) |
| |
| #ifndef V8_INTERPRETED_REGEXP |
| #define EXTERNAL_REFERENCE_LIST_NON_INTERPRETED_REGEXP(V) \ |
| V(address_of_regexp_stack_limit, "RegExpStack::limit_address()") \ |
| V(address_of_regexp_stack_memory_address, "RegExpStack::memory_address()") \ |
| V(address_of_regexp_stack_memory_size, "RegExpStack::memory_size()") \ |
| V(address_of_static_offsets_vector, "OffsetsVector::static_offsets_vector") \ |
| V(re_case_insensitive_compare_uc16, \ |
| "NativeRegExpMacroAssembler::CaseInsensitiveCompareUC16()") \ |
| V(re_check_stack_guard_state, \ |
| "RegExpMacroAssembler*::CheckStackGuardState()") \ |
| V(re_grow_stack, "NativeRegExpMacroAssembler::GrowStack()") \ |
| V(re_word_character_map, "NativeRegExpMacroAssembler::word_character_map") |
| #else |
| #define EXTERNAL_REFERENCE_LIST_NON_INTERPRETED_REGEXP(V) |
| #endif // V8_INTERPRETED_REGEXP |
| |
| #ifdef V8_INTL_SUPPORT |
| #define EXTERNAL_REFERENCE_LIST_INTL(V) \ |
| V(intl_convert_one_byte_to_lower, "intl_convert_one_byte_to_lower") \ |
| V(intl_to_latin1_lower_table, "intl_to_latin1_lower_table") |
| #else |
| #define EXTERNAL_REFERENCE_LIST_INTL(V) |
| #endif // V8_INTL_SUPPORT |
| |
| // An ExternalReference represents a C++ address used in the generated |
| // code. All references to C++ functions and variables must be encapsulated |
| // in an ExternalReference instance. This is done in order to track the |
| // origin of all external references in the code so that they can be bound |
| // to the correct addresses when deserializing a heap. |
| class ExternalReference BASE_EMBEDDED { |
| public: |
| // Used in the simulator to support different native api calls. |
| enum Type { |
| // Builtin call. |
| // Object* f(v8::internal::Arguments). |
| BUILTIN_CALL, // default |
| |
| // Builtin call returning object pair. |
| // ObjectPair f(v8::internal::Arguments). |
| BUILTIN_CALL_PAIR, |
| |
| // Builtin that takes float arguments and returns an int. |
| // int f(double, double). |
| BUILTIN_COMPARE_CALL, |
| |
| // Builtin call that returns floating point. |
| // double f(double, double). |
| BUILTIN_FP_FP_CALL, |
| |
| // Builtin call that returns floating point. |
| // double f(double). |
| BUILTIN_FP_CALL, |
| |
| // Builtin call that returns floating point. |
| // double f(double, int). |
| BUILTIN_FP_INT_CALL, |
| |
| // Direct call to API function callback. |
| // void f(v8::FunctionCallbackInfo&) |
| DIRECT_API_CALL, |
| |
| // Call to function callback via InvokeFunctionCallback. |
| // void f(v8::FunctionCallbackInfo&, v8::FunctionCallback) |
| PROFILING_API_CALL, |
| |
| // Direct call to accessor getter callback. |
| // void f(Local<Name> property, PropertyCallbackInfo& info) |
| DIRECT_GETTER_CALL, |
| |
| // Call to accessor getter callback via InvokeAccessorGetterCallback. |
| // void f(Local<Name> property, PropertyCallbackInfo& info, |
| // AccessorNameGetterCallback callback) |
| PROFILING_GETTER_CALL |
| }; |
| |
| static void SetUp(); |
| |
| typedef void* ExternalReferenceRedirector(void* original, Type type); |
| |
| ExternalReference() : address_(nullptr) {} |
| explicit ExternalReference(const SCTableReference& table_ref); |
| explicit ExternalReference(StatsCounter* counter); |
| ExternalReference(Address address, Isolate* isolate); |
| ExternalReference(ApiFunction* ptr, Type type, Isolate* isolate); |
| ExternalReference(const Runtime::Function* f, Isolate* isolate); |
| ExternalReference(IsolateAddressId id, Isolate* isolate); |
| ExternalReference(Runtime::FunctionId id, Isolate* isolate); |
| |
| template <typename SubjectChar, typename PatternChar> |
| static ExternalReference search_string_raw(Isolate* isolate); |
| |
| static ExternalReference page_flags(Page* page); |
| |
| static ExternalReference ForDeoptEntry(Address entry); |
| |
| #define DECL_EXTERNAL_REFERENCE(name, desc) \ |
| static ExternalReference name(Isolate* isolate); |
| EXTERNAL_REFERENCE_LIST(DECL_EXTERNAL_REFERENCE) |
| #undef DECL_EXTERNAL_REFERENCE |
| |
| V8_EXPORT_PRIVATE V8_NOINLINE static ExternalReference |
| runtime_function_table_address_for_unittests(Isolate* isolate); |
| |
| Address address() const { return reinterpret_cast<Address>(address_); } |
| |
| // This lets you register a function that rewrites all external references. |
| // Used by the ARM simulator to catch calls to external references. |
| static void set_redirector(Isolate* isolate, |
| ExternalReferenceRedirector* redirector); |
| |
| private: |
| explicit ExternalReference(void* address) : address_(address) {} |
| |
| static void* Redirect(Isolate* isolate, Address address_arg, |
| Type type = ExternalReference::BUILTIN_CALL) { |
| ExternalReferenceRedirector* redirector = |
| reinterpret_cast<ExternalReferenceRedirector*>( |
| isolate->external_reference_redirector()); |
| void* address = reinterpret_cast<void*>(address_arg); |
| void* answer = |
| (redirector == nullptr) ? address : (*redirector)(address, type); |
| return answer; |
| } |
| |
| void* address_; |
| }; |
| |
| V8_EXPORT_PRIVATE bool operator==(ExternalReference, ExternalReference); |
| bool operator!=(ExternalReference, ExternalReference); |
| |
| size_t hash_value(ExternalReference); |
| |
| V8_EXPORT_PRIVATE std::ostream& operator<<(std::ostream&, ExternalReference); |
| |
| } // namespace internal |
| } // namespace v8 |
| |
| #endif // V8_EXTERNAL_REFERENCE_H_ |
