| // 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. |
| |
| #include "src/codegen/external-reference.h" |
| |
| #include <optional> |
| |
| #include "include/cppgc/allocation.h" |
| #include "include/v8-fast-api-calls.h" |
| #include "src/api/api-inl.h" |
| #include "src/base/bits.h" |
| #include "src/base/ieee754.h" |
| #include "src/base/macros.h" |
| #include "src/codegen/cpu-features.h" |
| #include "src/common/globals.h" |
| #include "src/date/date.h" |
| #include "src/debug/debug.h" |
| #include "src/deoptimizer/deoptimizer.h" |
| #include "src/execution/encoded-c-signature.h" |
| #include "src/execution/isolate-utils.h" |
| #include "src/execution/isolate.h" |
| #include "src/execution/microtask-queue.h" |
| #include "src/execution/simulator.h" |
| #include "src/heap/heap-inl.h" |
| #include "src/heap/heap.h" |
| #include "src/ic/stub-cache.h" |
| #include "src/interpreter/interpreter.h" |
| #include "src/logging/counters.h" |
| #include "src/logging/log.h" |
| #include "src/numbers/hash-seed-inl.h" |
| #include "src/numbers/ieee754.h" |
| #include "src/numbers/math-random.h" |
| #include "src/objects/elements-kind.h" |
| #include "src/objects/elements.h" |
| #include "src/objects/object-type.h" |
| #include "src/objects/objects-inl.h" |
| #include "src/objects/ordered-hash-table.h" |
| #include "src/objects/simd.h" |
| #include "src/regexp/experimental/experimental.h" |
| #include "src/regexp/regexp-interpreter.h" |
| #include "src/regexp/regexp-macro-assembler-arch.h" |
| #include "src/regexp/regexp-result-vector.h" |
| #include "src/regexp/regexp-stack.h" |
| #include "src/strings/string-search.h" |
| #include "src/strings/unicode-inl.h" |
| #include "third_party/fp16/src/include/fp16.h" |
| |
| #if V8_ENABLE_WEBASSEMBLY |
| #include "src/wasm/wasm-external-refs.h" |
| #include "src/wasm/wasm-js.h" |
| #endif // V8_ENABLE_WEBASSEMBLY |
| |
| #ifdef V8_INTL_SUPPORT |
| #include "src/base/strings.h" |
| #include "src/objects/intl-objects.h" |
| #endif // V8_INTL_SUPPORT |
| |
| namespace v8 { |
| namespace internal { |
| |
| // ----------------------------------------------------------------------------- |
| // Common double constants. |
| |
| constexpr double double_min_int_constant = kMinInt; |
| constexpr double double_one_half_constant = 0.5; |
| constexpr uint64_t double_the_hole_nan_constant = kHoleNanInt64; |
| constexpr double double_uint32_bias_constant = |
| static_cast<double>(kMaxUInt32) + 1; |
| |
| constexpr struct alignas(16) { |
| uint16_t a; |
| uint16_t b; |
| uint16_t c; |
| uint16_t d; |
| uint16_t e; |
| uint16_t f; |
| uint16_t g; |
| uint16_t h; |
| } fp16_absolute_constant = {0x7FFF, 0x7FFF, 0x7FFF, 0x7FFF, |
| 0x7FFF, 0x7FFF, 0x7FFF, 0x7FFF}; |
| |
| constexpr struct alignas(16) { |
| uint16_t a; |
| uint16_t b; |
| uint16_t c; |
| uint16_t d; |
| uint16_t e; |
| uint16_t f; |
| uint16_t g; |
| uint16_t h; |
| } fp16_negate_constant = {0x8000, 0x8000, 0x8000, 0x8000, |
| 0x8000, 0x8000, 0x8000, 0x8000}; |
| |
| constexpr struct alignas(16) { |
| uint32_t a; |
| uint32_t b; |
| uint32_t c; |
| uint32_t d; |
| } float_absolute_constant = {0x7FFFFFFF, 0x7FFFFFFF, 0x7FFFFFFF, 0x7FFFFFFF}; |
| |
| constexpr struct alignas(16) { |
| uint32_t a; |
| uint32_t b; |
| uint32_t c; |
| uint32_t d; |
| } float_negate_constant = {0x80000000, 0x80000000, 0x80000000, 0x80000000}; |
| |
| constexpr struct alignas(16) { |
| uint64_t a; |
| uint64_t b; |
| } double_absolute_constant = {uint64_t{0x7FFFFFFFFFFFFFFF}, |
| uint64_t{0x7FFFFFFFFFFFFFFF}}; |
| |
| constexpr struct alignas(16) { |
| uint64_t a; |
| uint64_t b; |
| } double_negate_constant = {uint64_t{0x8000000000000000}, |
| uint64_t{0x8000000000000000}}; |
| |
| constexpr struct alignas(16) { |
| uint64_t a; |
| uint64_t b; |
| } wasm_i8x16_swizzle_mask = {uint64_t{0x70707070'70707070}, |
| uint64_t{0x70707070'70707070}}; |
| |
| constexpr struct alignas(16) { |
| uint64_t a; |
| uint64_t b; |
| } wasm_i8x16_popcnt_mask = {uint64_t{0x03020201'02010100}, |
| uint64_t{0x04030302'03020201}}; |
| |
| constexpr struct alignas(16) { |
| uint64_t a; |
| uint64_t b; |
| } wasm_i8x16_splat_0x01 = {uint64_t{0x01010101'01010101}, |
| uint64_t{0x01010101'01010101}}; |
| |
| constexpr struct alignas(16) { |
| uint64_t a; |
| uint64_t b; |
| } wasm_i8x16_splat_0x0f = {uint64_t{0x0F0F0F0F'0F0F0F0F}, |
| uint64_t{0x0F0F0F0F'0F0F0F0F}}; |
| |
| constexpr struct alignas(16) { |
| uint64_t a; |
| uint64_t b; |
| } wasm_i8x16_splat_0x33 = {uint64_t{0x33333333'33333333}, |
| uint64_t{0x33333333'33333333}}; |
| |
| constexpr struct alignas(16) { |
| uint64_t a; |
| uint64_t b; |
| } wasm_i8x16_splat_0x55 = {uint64_t{0x55555555'55555555}, |
| uint64_t{0x55555555'55555555}}; |
| |
| constexpr struct alignas(16) { |
| uint64_t a; |
| uint64_t b; |
| } wasm_i16x8_splat_0x0001 = {uint64_t{0x00010001'00010001}, |
| uint64_t{0x00010001'00010001}}; |
| |
| constexpr struct alignas(16) { |
| uint64_t a; |
| uint64_t b; |
| } wasm_f64x2_convert_low_i32x4_u_int_mask = {uint64_t{0x4330000043300000}, |
| uint64_t{0x4330000043300000}}; |
| |
| constexpr struct alignas(16) { |
| uint64_t a; |
| uint64_t b; |
| } wasm_double_2_power_52 = {uint64_t{0x4330000000000000}, |
| uint64_t{0x4330000000000000}}; |
| |
| constexpr struct alignas(16) { |
| uint64_t a; |
| uint64_t b; |
| } wasm_int32_max_as_double = {uint64_t{0x41dfffffffc00000}, |
| uint64_t{0x41dfffffffc00000}}; |
| |
| constexpr struct alignas(16) { |
| uint64_t a; |
| uint64_t b; |
| } wasm_uint32_max_as_double = {uint64_t{0x41efffffffe00000}, |
| uint64_t{0x41efffffffe00000}}; |
| |
| // This is 2147483648.0, which is 1 more than INT32_MAX. |
| constexpr struct alignas(16) { |
| uint32_t a; |
| uint32_t b; |
| uint32_t c; |
| uint32_t d; |
| } wasm_int32_overflow_as_float = { |
| uint32_t{0x4f00'0000}, |
| uint32_t{0x4f00'0000}, |
| uint32_t{0x4f00'0000}, |
| uint32_t{0x4f00'0000}, |
| }; |
| |
| constexpr struct alignas(16) { |
| uint32_t a; |
| uint32_t b; |
| uint32_t c; |
| uint32_t d; |
| uint32_t e; |
| uint32_t f; |
| uint32_t g; |
| uint32_t h; |
| } wasm_i32x8_int32_overflow_as_float = { |
| uint32_t{0x4f00'0000}, uint32_t{0x4f00'0000}, uint32_t{0x4f00'0000}, |
| uint32_t{0x4f00'0000}, uint32_t{0x4f00'0000}, uint32_t{0x4f00'0000}, |
| uint32_t{0x4f00'0000}, uint32_t{0x4f00'0000}, |
| }; |
| |
| // Implementation of ExternalReference |
| |
| bool ExternalReference::IsIsolateFieldId() const { |
| return (raw_ > 0 && raw_ <= static_cast<Address>(kNumIsolateFieldIds)); |
| } |
| |
| Address ExternalReference::address() const { |
| // If this CHECK triggers, then an ExternalReference gets created with an |
| // IsolateFieldId where the root register is not available, and therefore |
| // IsolateFieldIds cannot be used, or ExternalReferences with IsolateFieldIds |
| // don't get supported yet and support should be added. |
| CHECK(!IsIsolateFieldId()); |
| return raw_; |
| } |
| |
| int32_t ExternalReference::offset_from_root_register() const { |
| CHECK(IsIsolateFieldId()); |
| return static_cast<int32_t>( |
| IsolateData::GetOffset(static_cast<IsolateFieldId>(raw_))); |
| } |
| |
| static ExternalReference::Type BuiltinCallTypeForResultSize(int result_size) { |
| switch (result_size) { |
| case 1: |
| return ExternalReference::BUILTIN_CALL; |
| case 2: |
| return ExternalReference::BUILTIN_CALL_PAIR; |
| } |
| UNREACHABLE(); |
| } |
| |
| // static |
| ExternalReference ExternalReference::Create(ApiFunction* fun, Type type) { |
| return ExternalReference(Redirect(fun->address(), type)); |
| } |
| |
| // static |
| ExternalReference ExternalReference::Create( |
| Isolate* isolate, ApiFunction* fun, Type type, Address* c_functions, |
| const CFunctionInfo* const* c_signatures, unsigned num_functions) { |
| #ifdef V8_USE_SIMULATOR_WITH_GENERIC_C_CALLS |
| isolate->simulator_data()->RegisterFunctionsAndSignatures( |
| c_functions, c_signatures, num_functions); |
| #endif // V8_USE_SIMULATOR_WITH_GENERIC_C_CALLS |
| return ExternalReference(Redirect(fun->address(), type)); |
| } |
| |
| // static |
| ExternalReference ExternalReference::Create(Runtime::FunctionId id) { |
| return Create(Runtime::FunctionForId(id)); |
| } |
| |
| // static |
| ExternalReference ExternalReference::Create(const Runtime::Function* f) { |
| return ExternalReference( |
| Redirect(f->entry, BuiltinCallTypeForResultSize(f->result_size))); |
| } |
| |
| // static |
| ExternalReference ExternalReference::Create(Address address, Type type) { |
| return ExternalReference(Redirect(address, type)); |
| } |
| |
| ExternalReference ExternalReference::isolate_address(Isolate* isolate) { |
| return ExternalReference(isolate); |
| } |
| |
| ExternalReference ExternalReference::isolate_address() { |
| return ExternalReference(IsolateFieldId::kIsolateAddress); |
| } |
| |
| ExternalReference ExternalReference::jslimit_address() { |
| return ExternalReference(IsolateFieldId::kJsLimitAddress); |
| } |
| |
| ExternalReference ExternalReference::handle_scope_implementer_address( |
| Isolate* isolate) { |
| return ExternalReference(isolate->handle_scope_implementer_address()); |
| } |
| |
| #ifdef V8_ENABLE_SANDBOX |
| ExternalReference ExternalReference::sandbox_base_address() { |
| return ExternalReference(Sandbox::current()->base_address()); |
| } |
| |
| ExternalReference ExternalReference::sandbox_end_address() { |
| return ExternalReference(Sandbox::current()->end_address()); |
| } |
| |
| #ifndef V8_COMPRESS_POINTERS_IN_MULTIPLE_CAGES |
| ExternalReference ExternalReference::sandboxed_mode_pkey_mask_address() { |
| #ifdef V8_ENABLE_SANDBOX_HARDWARE_SUPPORT |
| return ExternalReference( |
| SandboxHardwareSupport::sandboxed_mode_pkey_mask_address()); |
| #else |
| return ExternalReference(kNullAddress); |
| #endif |
| } |
| #endif |
| |
| ExternalReference ExternalReference::empty_backing_store_buffer() { |
| return ExternalReference( |
| Sandbox::current()->constants().empty_backing_store_buffer_address()); |
| } |
| |
| ExternalReference ExternalReference::external_pointer_table_address( |
| Isolate* isolate) { |
| return ExternalReference(isolate->external_pointer_table_address()); |
| } |
| |
| ExternalReference |
| ExternalReference::shared_external_pointer_table_address_address( |
| Isolate* isolate) { |
| return ExternalReference( |
| isolate->shared_external_pointer_table_address_address()); |
| } |
| |
| ExternalReference ExternalReference::trusted_pointer_table_base_address( |
| Isolate* isolate) { |
| // TODO(saelo): maybe the external pointer table external references should |
| // also directly return the table base address? |
| return ExternalReference(isolate->trusted_pointer_table_base_address()); |
| } |
| |
| ExternalReference ExternalReference::shared_trusted_pointer_table_base_address( |
| Isolate* isolate) { |
| // TODO(saelo): maybe the external pointer table external references should |
| // also directly return the table base address? |
| return ExternalReference( |
| isolate->shared_trusted_pointer_table_base_address()); |
| } |
| |
| ExternalReference |
| ExternalReference::address_of_code_pointer_table_base_address() { |
| return ExternalReference(IsolateFieldId::kCodePointerTableBaseAddress); |
| } |
| |
| ExternalReference ExternalReference::code_pointer_table_base_address( |
| Isolate* isolate) { |
| return ExternalReference(isolate->code_pointer_table_base_address()); |
| } |
| |
| #ifndef V8_COMPRESS_POINTERS_IN_MULTIPLE_CAGES |
| ExternalReference ExternalReference::global_code_pointer_table_base_address() { |
| return ExternalReference( |
| IsolateGroup::current()->code_pointer_table()->base_address()); |
| } |
| #endif |
| |
| ExternalReference ExternalReference::memory_chunk_metadata_table_address() { |
| return ExternalReference( |
| reinterpret_cast<Address>(MemoryChunk::MetadataTableAddress())); |
| } |
| |
| #endif // V8_ENABLE_SANDBOX |
| |
| #ifdef V8_ENABLE_LEAPTIERING |
| |
| ExternalReference ExternalReference::js_dispatch_table_address() { |
| // TODO(saelo): maybe rename to js_dispatch_table_base_address? |
| return ExternalReference( |
| IsolateGroup::current()->js_dispatch_table()->base_address()); |
| } |
| |
| #endif // V8_ENABLE_LEAPTIERING |
| |
| ExternalReference ExternalReference::interpreter_dispatch_table_address( |
| Isolate* isolate) { |
| return ExternalReference(isolate->interpreter()->dispatch_table_address()); |
| } |
| |
| ExternalReference ExternalReference::interpreter_dispatch_counters( |
| Isolate* isolate) { |
| return ExternalReference( |
| isolate->interpreter()->bytecode_dispatch_counters_table()); |
| } |
| |
| ExternalReference |
| ExternalReference::address_of_interpreter_entry_trampoline_instruction_start( |
| Isolate* isolate) { |
| return ExternalReference( |
| isolate->interpreter() |
| ->address_of_interpreter_entry_trampoline_instruction_start()); |
| } |
| |
| ExternalReference ExternalReference::bytecode_size_table_address() { |
| return ExternalReference( |
| interpreter::Bytecodes::bytecode_size_table_address()); |
| } |
| |
| // static |
| ExternalReference ExternalReference::Create(StatsCounter* counter) { |
| return ExternalReference( |
| reinterpret_cast<Address>(counter->GetInternalPointer())); |
| } |
| |
| // static |
| ExternalReference ExternalReference::Create(IsolateAddressId id, |
| Isolate* isolate) { |
| return ExternalReference(isolate->get_address_from_id(id)); |
| } |
| |
| // static |
| ExternalReference ExternalReference::Create(const SCTableReference& table_ref) { |
| return ExternalReference(table_ref.address()); |
| } |
| |
| namespace { |
| |
| // Helper function to verify that all types in a list of types are scalar. |
| // This includes primitive types (int, Address) and pointer types. We also |
| // allow void. |
| template <typename T> |
| constexpr bool AllScalar() { |
| return std::is_scalar_v<T> || std::is_void_v<T>; |
| } |
| |
| template <typename T1, typename T2, typename... Rest> |
| constexpr bool AllScalar() { |
| return AllScalar<T1>() && AllScalar<T2, Rest...>(); |
| } |
| |
| // Checks a function pointer's type for compatibility with the |
| // ExternalReference calling mechanism. Specifically, all arguments |
| // as well as the result type must pass the AllScalar check above, |
| // because we expect each item to fit into one register or stack slot. |
| template <typename T> |
| struct IsValidExternalReferenceType; |
| |
| template <typename Result, typename... Args> |
| struct IsValidExternalReferenceType<Result (*)(Args...)> { |
| static const bool value = AllScalar<Result, Args...>(); |
| }; |
| |
| template <typename Result, typename Class, typename... Args> |
| struct IsValidExternalReferenceType<Result (Class::*)(Args...)> { |
| static const bool value = AllScalar<Result, Args...>(); |
| }; |
| |
| } // namespace |
| |
| // .. for functions that will not be called through CallCFunction. For these, |
| // all signatures are valid. |
| #define RAW_FUNCTION_REFERENCE(Name, Target) \ |
| ExternalReference ExternalReference::Name() { \ |
| return ExternalReference(FUNCTION_ADDR(Target)); \ |
| } |
| |
| // .. for functions that will be called through CallCFunction. |
| #define FUNCTION_REFERENCE(Name, Target) \ |
| ExternalReference ExternalReference::Name() { \ |
| static_assert(IsValidExternalReferenceType<decltype(&Target)>::value); \ |
| return ExternalReference(Redirect(FUNCTION_ADDR(Target))); \ |
| } |
| |
| #define FUNCTION_REFERENCE_WITH_TYPE(Name, Target, Type) \ |
| ExternalReference ExternalReference::Name() { \ |
| static_assert(IsValidExternalReferenceType<decltype(&Target)>::value); \ |
| return ExternalReference(Redirect(FUNCTION_ADDR(Target), Type)); \ |
| } |
| |
| uint32_t fp64_to_fp16_raw_bits(double input) { return DoubleToFloat16(input); } |
| |
| // Since floating point parameters and return value are not supported |
| // for C-linkage functions on 32bit architectures, we should use raw bits. |
| uint32_t fp64_raw_bits_to_fp16_raw_bits_for_32bit_arch(uint32_t hi, |
| uint32_t lo) { |
| uint64_t input = static_cast<uint64_t>(hi) << 32 | lo; |
| return DoubleToFloat16(base::bit_cast<double, uint64_t>(input)); |
| } |
| |
| // Since floating point parameters and return value are not supported |
| // for C-linkage functions on 32bit architectures, we should use raw bits. |
| uint32_t fp16_raw_bits_ieee_to_fp32_raw_bits(uint32_t input) { |
| float value = fp16_ieee_to_fp32_value(input); |
| return base::bit_cast<uint32_t, float>(value); |
| } |
| |
| FUNCTION_REFERENCE(ieee754_fp64_raw_bits_to_fp16_raw_bits_for_32bit_arch, |
| fp64_raw_bits_to_fp16_raw_bits_for_32bit_arch) |
| |
| FUNCTION_REFERENCE_WITH_TYPE(ieee754_fp64_to_fp16_raw_bits, |
| fp64_to_fp16_raw_bits, BUILTIN_INT_FP_CALL) |
| |
| FUNCTION_REFERENCE(ieee754_fp16_raw_bits_to_fp32_raw_bits, |
| fp16_raw_bits_ieee_to_fp32_raw_bits) |
| |
| FUNCTION_REFERENCE(write_barrier_marking_from_code_function, |
| WriteBarrier::MarkingFromCode) |
| |
| FUNCTION_REFERENCE(write_barrier_indirect_pointer_marking_from_code_function, |
| WriteBarrier::IndirectPointerMarkingFromCode) |
| |
| FUNCTION_REFERENCE(write_barrier_shared_marking_from_code_function, |
| WriteBarrier::SharedMarkingFromCode) |
| |
| FUNCTION_REFERENCE(shared_barrier_from_code_function, |
| WriteBarrier::SharedFromCode) |
| |
| FUNCTION_REFERENCE(insert_remembered_set_function, |
| Heap::InsertIntoRememberedSetFromCode) |
| |
| FUNCTION_REFERENCE(verify_skipped_write_barrier, |
| Heap::VerifySkippedWriteBarrier) |
| |
| FUNCTION_REFERENCE(verify_skipped_indirect_write_barrier, |
| Heap::VerifySkippedIndirectWriteBarrier) |
| |
| namespace { |
| |
| intptr_t DebugBreakAtEntry(Isolate* isolate, Address raw_sfi) { |
| DisallowGarbageCollection no_gc; |
| Tagged<SharedFunctionInfo> sfi = |
| Cast<SharedFunctionInfo>(Tagged<Object>(raw_sfi)); |
| return isolate->debug()->BreakAtEntry(sfi) ? 1 : 0; |
| } |
| |
| Address DebugGetCoverageInfo(Isolate* isolate, Address raw_sfi) { |
| DisallowGarbageCollection no_gc; |
| Tagged<SharedFunctionInfo> sfi = |
| Cast<SharedFunctionInfo>(Tagged<Object>(raw_sfi)); |
| std::optional<Tagged<DebugInfo>> debug_info = |
| isolate->debug()->TryGetDebugInfo(sfi); |
| if (debug_info.has_value() && debug_info.value()->HasCoverageInfo()) { |
| return debug_info.value()->coverage_info().ptr(); |
| } |
| return Smi::zero().ptr(); |
| } |
| |
| } // namespace |
| |
| FUNCTION_REFERENCE(debug_break_at_entry_function, DebugBreakAtEntry) |
| FUNCTION_REFERENCE(debug_get_coverage_info_function, DebugGetCoverageInfo) |
| |
| FUNCTION_REFERENCE(delete_handle_scope_extensions, |
| HandleScope::DeleteExtensions) |
| |
| FUNCTION_REFERENCE(ephemeron_key_write_barrier_function, |
| WriteBarrier::EphemeronKeyWriteBarrierFromCode) |
| |
| ExternalPointerHandle AllocateAndInitializeYoungExternalPointerTableEntry( |
| Isolate* isolate, Address pointer) { |
| #ifdef V8_ENABLE_SANDBOX |
| return isolate->external_pointer_table().AllocateAndInitializeEntry( |
| isolate->heap()->young_external_pointer_space(), pointer, |
| kFastApiExternalTypeTag); |
| #else |
| return 0; |
| #endif // V8_ENABLE_SANDBOX |
| } |
| |
| FUNCTION_REFERENCE(allocate_and_initialize_young_external_pointer_table_entry, |
| AllocateAndInitializeYoungExternalPointerTableEntry) |
| |
| FUNCTION_REFERENCE(get_date_field_function, JSDate::GetField) |
| |
| // static |
| ExternalReference |
| ExternalReference::runtime_function_table_address_for_unittests( |
| Isolate* isolate) { |
| return runtime_function_table_address(isolate); |
| } |
| |
| // static |
| Address ExternalReference::Redirect(Address external_function, Type type) { |
| #ifdef USE_SIMULATOR |
| return SimulatorBase::RedirectExternalReference(external_function, type); |
| #else |
| return external_function; |
| #endif |
| } |
| |
| // static |
| Address ExternalReference::UnwrapRedirection(Address redirection_trampoline) { |
| #ifdef USE_SIMULATOR |
| return SimulatorBase::UnwrapRedirection(redirection_trampoline); |
| #else |
| return redirection_trampoline; |
| #endif |
| } |
| |
| ExternalReference ExternalReference::force_slow_path(Isolate* isolate) { |
| return ExternalReference(isolate->force_slow_path_address()); |
| } |
| |
| FUNCTION_REFERENCE(new_deoptimizer_function, Deoptimizer::New) |
| |
| FUNCTION_REFERENCE(compute_output_frames_function, |
| Deoptimizer::ComputeOutputFrames) |
| |
| #ifdef V8_ENABLE_CET_SHADOW_STACK |
| FUNCTION_REFERENCE(ensure_valid_return_address, |
| Deoptimizer::EnsureValidReturnAddress) |
| #endif // V8_ENABLE_CET_SHADOW_STACK |
| |
| #ifdef V8_ENABLE_WEBASSEMBLY |
| FUNCTION_REFERENCE(wasm_start_stack, wasm::start_stack) |
| FUNCTION_REFERENCE(wasm_suspender_has_js_frames, wasm::suspender_has_js_frames) |
| FUNCTION_REFERENCE(wasm_suspend_stack, wasm::suspend_stack) |
| FUNCTION_REFERENCE(wasm_resume_jspi_stack, wasm::resume_jspi_stack) |
| FUNCTION_REFERENCE(wasm_resume_wasmfx_stack, wasm::resume_wasmfx_stack) |
| FUNCTION_REFERENCE(wasm_return_stack, wasm::return_stack) |
| FUNCTION_REFERENCE(wasm_switch_to_the_central_stack, |
| wasm::switch_to_the_central_stack) |
| FUNCTION_REFERENCE(wasm_switch_from_the_central_stack, |
| wasm::switch_from_the_central_stack) |
| FUNCTION_REFERENCE(wasm_switch_to_the_central_stack_for_js, |
| wasm::switch_to_the_central_stack_for_js) |
| FUNCTION_REFERENCE(wasm_switch_from_the_central_stack_for_js, |
| wasm::switch_from_the_central_stack_for_js) |
| FUNCTION_REFERENCE(wasm_grow_stack, wasm::grow_stack) |
| FUNCTION_REFERENCE(wasm_shrink_stack, wasm::shrink_stack) |
| FUNCTION_REFERENCE(wasm_load_old_fp, wasm::load_old_fp) |
| FUNCTION_REFERENCE(wasm_f32_trunc, wasm::f32_trunc_wrapper) |
| FUNCTION_REFERENCE(wasm_f32_floor, wasm::f32_floor_wrapper) |
| FUNCTION_REFERENCE(wasm_f32_ceil, wasm::f32_ceil_wrapper) |
| FUNCTION_REFERENCE(wasm_f32_nearest_int, wasm::f32_nearest_int_wrapper) |
| FUNCTION_REFERENCE(wasm_f64_trunc, wasm::f64_trunc_wrapper) |
| FUNCTION_REFERENCE(wasm_f64_floor, wasm::f64_floor_wrapper) |
| FUNCTION_REFERENCE(wasm_f64_ceil, wasm::f64_ceil_wrapper) |
| FUNCTION_REFERENCE(wasm_f64_nearest_int, wasm::f64_nearest_int_wrapper) |
| FUNCTION_REFERENCE(wasm_int64_to_float32, wasm::int64_to_float32_wrapper) |
| FUNCTION_REFERENCE(wasm_uint64_to_float32, wasm::uint64_to_float32_wrapper) |
| FUNCTION_REFERENCE(wasm_int64_to_float64, wasm::int64_to_float64_wrapper) |
| FUNCTION_REFERENCE(wasm_uint64_to_float64, wasm::uint64_to_float64_wrapper) |
| FUNCTION_REFERENCE(wasm_float32_to_int64, wasm::float32_to_int64_wrapper) |
| FUNCTION_REFERENCE(wasm_float32_to_uint64, wasm::float32_to_uint64_wrapper) |
| FUNCTION_REFERENCE(wasm_float64_to_int64, wasm::float64_to_int64_wrapper) |
| FUNCTION_REFERENCE(wasm_float64_to_uint64, wasm::float64_to_uint64_wrapper) |
| FUNCTION_REFERENCE(wasm_float32_to_int64_sat, |
| wasm::float32_to_int64_sat_wrapper) |
| FUNCTION_REFERENCE(wasm_float32_to_uint64_sat, |
| wasm::float32_to_uint64_sat_wrapper) |
| FUNCTION_REFERENCE(wasm_float64_to_int64_sat, |
| wasm::float64_to_int64_sat_wrapper) |
| FUNCTION_REFERENCE(wasm_float64_to_uint64_sat, |
| wasm::float64_to_uint64_sat_wrapper) |
| FUNCTION_REFERENCE(wasm_float16_to_float32, wasm::float16_to_float32_wrapper) |
| FUNCTION_REFERENCE(wasm_float32_to_float16, wasm::float32_to_float16_wrapper) |
| FUNCTION_REFERENCE(wasm_int64_div, wasm::int64_div_wrapper) |
| FUNCTION_REFERENCE(wasm_int64_mod, wasm::int64_mod_wrapper) |
| FUNCTION_REFERENCE(wasm_uint64_div, wasm::uint64_div_wrapper) |
| FUNCTION_REFERENCE(wasm_uint64_mod, wasm::uint64_mod_wrapper) |
| FUNCTION_REFERENCE(wasm_word32_ctz, base::bits::CountTrailingZeros<uint32_t>) |
| FUNCTION_REFERENCE(wasm_word64_ctz, base::bits::CountTrailingZeros<uint64_t>) |
| FUNCTION_REFERENCE(wasm_word32_popcnt, base::bits::CountPopulation<uint32_t>) |
| FUNCTION_REFERENCE(wasm_word64_popcnt, base::bits::CountPopulation<uint64_t>) |
| FUNCTION_REFERENCE(wasm_word32_rol, wasm::word32_rol_wrapper) |
| FUNCTION_REFERENCE(wasm_word32_ror, wasm::word32_ror_wrapper) |
| FUNCTION_REFERENCE(wasm_word64_rol, wasm::word64_rol_wrapper) |
| FUNCTION_REFERENCE(wasm_word64_ror, wasm::word64_ror_wrapper) |
| FUNCTION_REFERENCE(wasm_f64x2_ceil, wasm::f64x2_ceil_wrapper) |
| FUNCTION_REFERENCE(wasm_f64x2_floor, wasm::f64x2_floor_wrapper) |
| FUNCTION_REFERENCE(wasm_f64x2_trunc, wasm::f64x2_trunc_wrapper) |
| FUNCTION_REFERENCE(wasm_f64x2_nearest_int, wasm::f64x2_nearest_int_wrapper) |
| FUNCTION_REFERENCE(wasm_f32x4_ceil, wasm::f32x4_ceil_wrapper) |
| FUNCTION_REFERENCE(wasm_f32x4_floor, wasm::f32x4_floor_wrapper) |
| FUNCTION_REFERENCE(wasm_f32x4_trunc, wasm::f32x4_trunc_wrapper) |
| FUNCTION_REFERENCE(wasm_f32x4_nearest_int, wasm::f32x4_nearest_int_wrapper) |
| FUNCTION_REFERENCE(wasm_f16x8_abs, wasm::f16x8_abs_wrapper) |
| FUNCTION_REFERENCE(wasm_f16x8_neg, wasm::f16x8_neg_wrapper) |
| FUNCTION_REFERENCE(wasm_f16x8_sqrt, wasm::f16x8_sqrt_wrapper) |
| FUNCTION_REFERENCE(wasm_f16x8_ceil, wasm::f16x8_ceil_wrapper) |
| FUNCTION_REFERENCE(wasm_f16x8_floor, wasm::f16x8_floor_wrapper) |
| FUNCTION_REFERENCE(wasm_f16x8_trunc, wasm::f16x8_trunc_wrapper) |
| FUNCTION_REFERENCE(wasm_f16x8_nearest_int, wasm::f16x8_nearest_int_wrapper) |
| FUNCTION_REFERENCE(wasm_f16x8_eq, wasm::f16x8_eq_wrapper) |
| FUNCTION_REFERENCE(wasm_f16x8_ne, wasm::f16x8_ne_wrapper) |
| FUNCTION_REFERENCE(wasm_f16x8_lt, wasm::f16x8_lt_wrapper) |
| FUNCTION_REFERENCE(wasm_f16x8_le, wasm::f16x8_le_wrapper) |
| FUNCTION_REFERENCE(wasm_f16x8_add, wasm::f16x8_add_wrapper) |
| FUNCTION_REFERENCE(wasm_f16x8_sub, wasm::f16x8_sub_wrapper) |
| FUNCTION_REFERENCE(wasm_f16x8_mul, wasm::f16x8_mul_wrapper) |
| FUNCTION_REFERENCE(wasm_f16x8_div, wasm::f16x8_div_wrapper) |
| FUNCTION_REFERENCE(wasm_f16x8_min, wasm::f16x8_min_wrapper) |
| FUNCTION_REFERENCE(wasm_f16x8_max, wasm::f16x8_max_wrapper) |
| FUNCTION_REFERENCE(wasm_f16x8_pmin, wasm::f16x8_pmin_wrapper) |
| FUNCTION_REFERENCE(wasm_f16x8_pmax, wasm::f16x8_pmax_wrapper) |
| FUNCTION_REFERENCE(wasm_i16x8_sconvert_f16x8, |
| wasm::i16x8_sconvert_f16x8_wrapper) |
| FUNCTION_REFERENCE(wasm_i16x8_uconvert_f16x8, |
| wasm::i16x8_uconvert_f16x8_wrapper) |
| FUNCTION_REFERENCE(wasm_f16x8_sconvert_i16x8, |
| wasm::f16x8_sconvert_i16x8_wrapper) |
| FUNCTION_REFERENCE(wasm_f16x8_uconvert_i16x8, |
| wasm::f16x8_uconvert_i16x8_wrapper) |
| FUNCTION_REFERENCE(wasm_f32x4_promote_low_f16x8, |
| wasm::f32x4_promote_low_f16x8_wrapper) |
| FUNCTION_REFERENCE(wasm_f16x8_demote_f32x4_zero, |
| wasm::f16x8_demote_f32x4_zero_wrapper) |
| FUNCTION_REFERENCE(wasm_f16x8_demote_f64x2_zero, |
| wasm::f16x8_demote_f64x2_zero_wrapper) |
| FUNCTION_REFERENCE(wasm_f16x8_qfma, wasm::f16x8_qfma_wrapper) |
| FUNCTION_REFERENCE(wasm_f16x8_qfms, wasm::f16x8_qfms_wrapper) |
| FUNCTION_REFERENCE(wasm_memory_init, wasm::memory_init_wrapper) |
| FUNCTION_REFERENCE(wasm_memory_copy, wasm::memory_copy_wrapper) |
| FUNCTION_REFERENCE(wasm_memory_fill, wasm::memory_fill_wrapper) |
| FUNCTION_REFERENCE(wasm_float64_pow, wasm::float64_pow_wrapper) |
| FUNCTION_REFERENCE(wasm_array_copy, wasm::array_copy_wrapper) |
| FUNCTION_REFERENCE(wasm_array_fill, wasm::array_fill_wrapper) |
| FUNCTION_REFERENCE_WITH_TYPE(wasm_string_to_f64, wasm::flat_string_to_f64, |
| BUILTIN_FP_POINTER_CALL) |
| |
| int32_t (&futex_emulation_wake)(void*, uint32_t) = FutexEmulation::Wake; |
| FUNCTION_REFERENCE(wasm_atomic_notify, futex_emulation_wake) |
| |
| #define V(Name) RAW_FUNCTION_REFERENCE(wasm_##Name, wasm::Name) |
| WASM_JS_EXTERNAL_REFERENCE_LIST(V) |
| #undef V |
| |
| ExternalReference ExternalReference::wasm_code_pointer_table() { |
| return ExternalReference(wasm::GetProcessWideWasmCodePointerTable()->base()); |
| } |
| |
| #endif // V8_ENABLE_WEBASSEMBLY |
| |
| namespace { |
| class GCedBuffer final : public cppgc::GarbageCollected<GCedBuffer> { |
| public: |
| void Trace(cppgc::Visitor* visitor) const {} |
| }; |
| |
| void* allocate_buffer_impl(Isolate* isolate, size_t size) { |
| void* result = cppgc::MakeGarbageCollected<GCedBuffer>( |
| isolate->heap()->cpp_heap()->GetAllocationHandle(), |
| cppgc::AdditionalBytes(size)); |
| CHECK_NOT_NULL(result); |
| #ifdef V8_ENABLE_SANDBOX_HARDWARE_SUPPORT |
| // TODO(429341650): temporary and unsafe workaround as the buffer must be |
| // accessible to sandboxed code, in particular the generic JSToWasmWrapper. |
| Address addr = reinterpret_cast<Address>(result); |
| size_t page_offset = addr % kMinimumOSPageSize; |
| SandboxHardwareSupport::RegisterUnsafeSandboxExtensionMemory( |
| addr - page_offset, size + page_offset); |
| #endif // V8_ENABLE_SANDBOX_HARDWARE_SUPPORT |
| return result; |
| } |
| |
| } // namespace |
| |
| FUNCTION_REFERENCE(allocate_buffer, allocate_buffer_impl) |
| |
| static void f64_acos_wrapper(Address data) { |
| double input = ReadUnalignedValue<double>(data); |
| WriteUnalignedValue(data, base::ieee754::acos(input)); |
| } |
| |
| FUNCTION_REFERENCE(f64_acos_wrapper_function, f64_acos_wrapper) |
| |
| static void f64_asin_wrapper(Address data) { |
| double input = ReadUnalignedValue<double>(data); |
| WriteUnalignedValue<double>(data, base::ieee754::asin(input)); |
| } |
| |
| FUNCTION_REFERENCE(f64_asin_wrapper_function, f64_asin_wrapper) |
| |
| |
| static void f64_mod_wrapper(Address data) { |
| double dividend = ReadUnalignedValue<double>(data); |
| double divisor = ReadUnalignedValue<double>(data + sizeof(dividend)); |
| WriteUnalignedValue<double>(data, Modulo(dividend, divisor)); |
| } |
| |
| FUNCTION_REFERENCE(f64_mod_wrapper_function, f64_mod_wrapper) |
| |
| ExternalReference ExternalReference::isolate_root(Isolate* isolate) { |
| return ExternalReference(isolate->isolate_root()); |
| } |
| |
| ExternalReference ExternalReference::allocation_sites_list_address( |
| Isolate* isolate) { |
| return ExternalReference(isolate->heap()->allocation_sites_list_address()); |
| } |
| |
| ExternalReference ExternalReference::address_of_jslimit(Isolate* isolate) { |
| Address address = isolate->stack_guard()->address_of_jslimit(); |
| // For efficient generated code, this should be root-register-addressable. |
| DCHECK(isolate->root_register_addressable_region().contains(address)); |
| return ExternalReference(address); |
| } |
| |
| ExternalReference ExternalReference::address_of_no_heap_write_interrupt_request( |
| Isolate* isolate) { |
| Address address = isolate->stack_guard()->address_of_interrupt_request( |
| StackGuard::InterruptLevel::kNoHeapWrites); |
| // For efficient generated code, this should be root-register-addressable. |
| DCHECK(isolate->root_register_addressable_region().contains(address)); |
| return ExternalReference(address); |
| } |
| |
| ExternalReference ExternalReference::address_of_real_jslimit(Isolate* isolate) { |
| Address address = isolate->stack_guard()->address_of_real_jslimit(); |
| // For efficient generated code, this should be root-register-addressable. |
| DCHECK(isolate->root_register_addressable_region().contains(address)); |
| return ExternalReference(address); |
| } |
| |
| ExternalReference ExternalReference::heap_is_marking_flag_address( |
| Isolate* isolate) { |
| return ExternalReference(isolate->heap()->IsMarkingFlagAddress()); |
| } |
| |
| ExternalReference ExternalReference::heap_is_minor_marking_flag_address( |
| Isolate* isolate) { |
| return ExternalReference(isolate->heap()->IsMinorMarkingFlagAddress()); |
| } |
| |
| ExternalReference ExternalReference::is_shared_space_isolate_flag_address( |
| Isolate* isolate) { |
| return ExternalReference( |
| isolate->isolate_data()->is_shared_space_isolate_flag_address()); |
| } |
| |
| ExternalReference ExternalReference::last_young_allocation_address( |
| Isolate* isolate) { |
| return ExternalReference( |
| isolate->isolate_data()->last_young_allocation_address()); |
| } |
| |
| ExternalReference ExternalReference::array_buffer_max_allocation_address( |
| Isolate* isolate) { |
| return ExternalReference(isolate->array_buffer_max_size_address()); |
| } |
| |
| ExternalReference ExternalReference::handle_scope_level_address( |
| Isolate* isolate) { |
| return ExternalReference(HandleScope::current_level_address(isolate)); |
| } |
| |
| ExternalReference ExternalReference::handle_scope_next_address( |
| Isolate* isolate) { |
| return ExternalReference(HandleScope::current_next_address(isolate)); |
| } |
| |
| ExternalReference ExternalReference::handle_scope_limit_address( |
| Isolate* isolate) { |
| return ExternalReference(HandleScope::current_limit_address(isolate)); |
| } |
| |
| ExternalReference ExternalReference::exception_address(Isolate* isolate) { |
| return ExternalReference(isolate->exception_address()); |
| } |
| |
| ExternalReference ExternalReference::address_of_pending_message( |
| Isolate* isolate) { |
| return ExternalReference(isolate->pending_message_address()); |
| } |
| |
| ExternalReference ExternalReference::address_of_pending_message( |
| LocalIsolate* local_isolate) { |
| return ExternalReference(local_isolate->pending_message_address()); |
| } |
| |
| FUNCTION_REFERENCE(abort_with_reason, i::abort_with_reason) |
| |
| ExternalReference ExternalReference::address_of_min_int() { |
| return ExternalReference(reinterpret_cast<Address>(&double_min_int_constant)); |
| } |
| |
| ExternalReference |
| ExternalReference::address_of_mock_arraybuffer_allocator_flag() { |
| return ExternalReference(&v8_flags.mock_arraybuffer_allocator); |
| } |
| |
| // TODO(jgruber): Update the other extrefs pointing at v8_flags. addresses to be |
| // called address_of_FLAG_foo (easier grep-ability). |
| ExternalReference ExternalReference::address_of_log_or_trace_osr() { |
| return ExternalReference(&v8_flags.log_or_trace_osr); |
| } |
| |
| ExternalReference ExternalReference::address_of_builtin_subclassing_flag() { |
| return ExternalReference(&v8_flags.builtin_subclassing); |
| } |
| |
| ExternalReference ExternalReference::address_of_runtime_stats_flag() { |
| return ExternalReference(&TracingFlags::runtime_stats); |
| } |
| |
| ExternalReference ExternalReference::address_of_shared_string_table_flag() { |
| return ExternalReference(&v8_flags.shared_string_table); |
| } |
| |
| #ifdef V8_ENABLE_CET_SHADOW_STACK |
| ExternalReference ExternalReference::address_of_cet_compatible_flag() { |
| return ExternalReference(&v8_flags.cet_compatible); |
| } |
| #endif // V8_ENABLE_CET_SHADOW_STACK |
| |
| ExternalReference ExternalReference::additive_safe_int_feedback_flag() { |
| #ifdef V8_TARGET_ARCH_64_BIT |
| return ExternalReference(&v8_flags.additive_safe_int_feedback); |
| #else |
| return ExternalReference(); |
| #endif // V8_TARGET_ARCH_64_BIT |
| } |
| |
| ExternalReference ExternalReference::address_of_load_from_stack_count( |
| const char* function_name) { |
| return ExternalReference( |
| Isolate::load_from_stack_count_address(function_name)); |
| } |
| |
| ExternalReference ExternalReference::address_of_store_to_stack_count( |
| const char* function_name) { |
| return ExternalReference( |
| Isolate::store_to_stack_count_address(function_name)); |
| } |
| |
| ExternalReference ExternalReference::address_of_one_half() { |
| return ExternalReference( |
| reinterpret_cast<Address>(&double_one_half_constant)); |
| } |
| |
| ExternalReference ExternalReference::address_of_the_hole_nan() { |
| return ExternalReference( |
| reinterpret_cast<Address>(&double_the_hole_nan_constant)); |
| } |
| |
| ExternalReference ExternalReference::address_of_uint32_bias() { |
| return ExternalReference( |
| reinterpret_cast<Address>(&double_uint32_bias_constant)); |
| } |
| |
| ExternalReference ExternalReference::address_of_fp16_abs_constant() { |
| return ExternalReference(reinterpret_cast<Address>(&fp16_absolute_constant)); |
| } |
| |
| ExternalReference ExternalReference::address_of_fp16_neg_constant() { |
| return ExternalReference(reinterpret_cast<Address>(&fp16_negate_constant)); |
| } |
| |
| ExternalReference ExternalReference::address_of_float_abs_constant() { |
| return ExternalReference(reinterpret_cast<Address>(&float_absolute_constant)); |
| } |
| |
| ExternalReference ExternalReference::address_of_float_neg_constant() { |
| return ExternalReference(reinterpret_cast<Address>(&float_negate_constant)); |
| } |
| |
| ExternalReference ExternalReference::address_of_double_abs_constant() { |
| return ExternalReference( |
| reinterpret_cast<Address>(&double_absolute_constant)); |
| } |
| |
| ExternalReference ExternalReference::address_of_double_neg_constant() { |
| return ExternalReference(reinterpret_cast<Address>(&double_negate_constant)); |
| } |
| |
| ExternalReference ExternalReference::address_of_wasm_i8x16_swizzle_mask() { |
| return ExternalReference(reinterpret_cast<Address>(&wasm_i8x16_swizzle_mask)); |
| } |
| |
| ExternalReference ExternalReference::address_of_wasm_i8x16_popcnt_mask() { |
| return ExternalReference(reinterpret_cast<Address>(&wasm_i8x16_popcnt_mask)); |
| } |
| |
| ExternalReference ExternalReference::address_of_wasm_i8x16_splat_0x01() { |
| return ExternalReference(reinterpret_cast<Address>(&wasm_i8x16_splat_0x01)); |
| } |
| |
| ExternalReference ExternalReference::address_of_wasm_i8x16_splat_0x0f() { |
| return ExternalReference(reinterpret_cast<Address>(&wasm_i8x16_splat_0x0f)); |
| } |
| |
| ExternalReference ExternalReference::address_of_wasm_i8x16_splat_0x33() { |
| return ExternalReference(reinterpret_cast<Address>(&wasm_i8x16_splat_0x33)); |
| } |
| |
| ExternalReference ExternalReference::address_of_wasm_i8x16_splat_0x55() { |
| return ExternalReference(reinterpret_cast<Address>(&wasm_i8x16_splat_0x55)); |
| } |
| |
| ExternalReference ExternalReference::address_of_wasm_i16x8_splat_0x0001() { |
| return ExternalReference(reinterpret_cast<Address>(&wasm_i16x8_splat_0x0001)); |
| } |
| |
| ExternalReference |
| ExternalReference::address_of_wasm_f64x2_convert_low_i32x4_u_int_mask() { |
| return ExternalReference( |
| reinterpret_cast<Address>(&wasm_f64x2_convert_low_i32x4_u_int_mask)); |
| } |
| |
| ExternalReference ExternalReference::supports_wasm_simd_128_address() { |
| return ExternalReference( |
| reinterpret_cast<Address>(&CpuFeatures::supports_wasm_simd_128_)); |
| } |
| |
| ExternalReference ExternalReference::address_of_wasm_double_2_power_52() { |
| return ExternalReference(reinterpret_cast<Address>(&wasm_double_2_power_52)); |
| } |
| |
| ExternalReference ExternalReference::address_of_wasm_int32_max_as_double() { |
| return ExternalReference( |
| reinterpret_cast<Address>(&wasm_int32_max_as_double)); |
| } |
| |
| ExternalReference ExternalReference::address_of_wasm_uint32_max_as_double() { |
| return ExternalReference( |
| reinterpret_cast<Address>(&wasm_uint32_max_as_double)); |
| } |
| |
| ExternalReference ExternalReference::address_of_wasm_int32_overflow_as_float() { |
| return ExternalReference( |
| reinterpret_cast<Address>(&wasm_int32_overflow_as_float)); |
| } |
| |
| ExternalReference |
| ExternalReference::address_of_wasm_i32x8_int32_overflow_as_float() { |
| return ExternalReference( |
| reinterpret_cast<Address>(&wasm_i32x8_int32_overflow_as_float)); |
| } |
| |
| ExternalReference ExternalReference::supports_cetss_address() { |
| return ExternalReference( |
| reinterpret_cast<Address>(&CpuFeatures::supports_cetss_)); |
| } |
| |
| ExternalReference |
| ExternalReference::address_of_enable_experimental_regexp_engine() { |
| return ExternalReference(&v8_flags.enable_experimental_regexp_engine); |
| } |
| |
| namespace { |
| |
| static uintptr_t BaselinePCForNextExecutedBytecode(Address raw_code_obj, |
| int bytecode_offset, |
| Address raw_bytecode_array) { |
| Tagged<Code> code_obj = SbxCast<Code>(Tagged<Object>(raw_code_obj)); |
| Tagged<BytecodeArray> bytecode_array = |
| SbxCast<BytecodeArray>(Tagged<Object>(raw_bytecode_array)); |
| return code_obj->GetBaselinePCForNextExecutedBytecode(bytecode_offset, |
| bytecode_array); |
| } |
| |
| } // namespace |
| |
| FUNCTION_REFERENCE(baseline_pc_for_next_executed_bytecode, |
| BaselinePCForNextExecutedBytecode) |
| |
| ExternalReference ExternalReference::invoke_function_callback_generic() { |
| Address thunk_address = FUNCTION_ADDR(&InvokeFunctionCallbackGeneric); |
| ExternalReference::Type thunk_type = ExternalReference::DIRECT_API_CALL; |
| ApiFunction thunk_fun(thunk_address); |
| return ExternalReference::Create(&thunk_fun, thunk_type); |
| } |
| |
| ExternalReference ExternalReference::invoke_function_callback_optimized() { |
| Address thunk_address = FUNCTION_ADDR(&InvokeFunctionCallbackOptimized); |
| ExternalReference::Type thunk_type = ExternalReference::DIRECT_API_CALL; |
| ApiFunction thunk_fun(thunk_address); |
| return ExternalReference::Create(&thunk_fun, thunk_type); |
| } |
| |
| // static |
| ExternalReference ExternalReference::invoke_function_callback( |
| CallApiCallbackMode mode) { |
| switch (mode) { |
| case CallApiCallbackMode::kGeneric: |
| return invoke_function_callback_generic(); |
| case CallApiCallbackMode::kOptimized: |
| return invoke_function_callback_optimized(); |
| case CallApiCallbackMode::kOptimizedNoProfiling: |
| return ExternalReference(); |
| } |
| } |
| |
| ExternalReference ExternalReference::invoke_accessor_getter_callback() { |
| Address thunk_address = FUNCTION_ADDR(&InvokeAccessorGetterCallback); |
| ExternalReference::Type thunk_type = ExternalReference::DIRECT_GETTER_CALL; |
| ApiFunction thunk_fun(thunk_address); |
| return ExternalReference::Create(&thunk_fun, thunk_type); |
| } |
| |
| #if V8_TARGET_ARCH_X64 |
| #define re_stack_check_func RegExpMacroAssemblerX64::CheckStackGuardState |
| #elif V8_TARGET_ARCH_IA32 |
| #define re_stack_check_func RegExpMacroAssemblerIA32::CheckStackGuardState |
| #elif V8_TARGET_ARCH_ARM64 |
| #define re_stack_check_func RegExpMacroAssemblerARM64::CheckStackGuardState |
| #elif V8_TARGET_ARCH_ARM |
| #define re_stack_check_func RegExpMacroAssemblerARM::CheckStackGuardState |
| #elif V8_TARGET_ARCH_PPC64 |
| #define re_stack_check_func RegExpMacroAssemblerPPC::CheckStackGuardState |
| #elif V8_TARGET_ARCH_MIPS64 |
| #define re_stack_check_func RegExpMacroAssemblerMIPS::CheckStackGuardState |
| #elif V8_TARGET_ARCH_LOONG64 |
| #define re_stack_check_func RegExpMacroAssemblerLOONG64::CheckStackGuardState |
| #elif V8_TARGET_ARCH_S390X |
| #define re_stack_check_func RegExpMacroAssemblerS390::CheckStackGuardState |
| #elif V8_TARGET_ARCH_RISCV32 || V8_TARGET_ARCH_RISCV64 |
| #define re_stack_check_func RegExpMacroAssemblerRISCV::CheckStackGuardState |
| #else |
| UNREACHABLE(); |
| #endif |
| |
| FUNCTION_REFERENCE(re_check_stack_guard_state, re_stack_check_func) |
| #undef re_stack_check_func |
| |
| FUNCTION_REFERENCE(re_grow_stack, NativeRegExpMacroAssembler::GrowStack) |
| |
| FUNCTION_REFERENCE(re_match_for_call_from_js, |
| IrregexpInterpreter::MatchForCallFromJs) |
| |
| FUNCTION_REFERENCE(re_experimental_match_for_call_from_js, |
| ExperimentalRegExp::MatchForCallFromJs) |
| |
| FUNCTION_REFERENCE(re_atom_exec_raw, RegExp::AtomExecRaw) |
| |
| FUNCTION_REFERENCE(allocate_regexp_result_vector, RegExpResultVector::Allocate) |
| FUNCTION_REFERENCE(free_regexp_result_vector, RegExpResultVector::Free) |
| |
| FUNCTION_REFERENCE(re_case_insensitive_compare_unicode, |
| NativeRegExpMacroAssembler::CaseInsensitiveCompareUnicode) |
| |
| FUNCTION_REFERENCE(re_case_insensitive_compare_non_unicode, |
| NativeRegExpMacroAssembler::CaseInsensitiveCompareNonUnicode) |
| |
| FUNCTION_REFERENCE(re_is_character_in_range_array, |
| RegExpMacroAssembler::IsCharacterInRangeArray) |
| |
| ExternalReference ExternalReference::re_word_character_map() { |
| return ExternalReference( |
| NativeRegExpMacroAssembler::word_character_map_address()); |
| } |
| |
| ExternalReference |
| ExternalReference::address_of_regexp_static_result_offsets_vector( |
| Isolate* isolate) { |
| return ExternalReference( |
| isolate->address_of_regexp_static_result_offsets_vector()); |
| } |
| |
| ExternalReference ExternalReference::address_of_regexp_stack_limit_address( |
| Isolate* isolate) { |
| return ExternalReference(isolate->regexp_stack()->limit_address_address()); |
| } |
| |
| ExternalReference ExternalReference::address_of_regexp_stack_memory_top_address( |
| Isolate* isolate) { |
| return ExternalReference( |
| isolate->regexp_stack()->memory_top_address_address()); |
| } |
| |
| ExternalReference ExternalReference::address_of_regexp_stack_stack_pointer( |
| Isolate* isolate) { |
| return ExternalReference(isolate->regexp_stack()->stack_pointer_address()); |
| } |
| |
| FUNCTION_REFERENCE_WITH_TYPE(ieee754_acos_function, base::ieee754::acos, |
| BUILTIN_FP_CALL) |
| FUNCTION_REFERENCE_WITH_TYPE(ieee754_acosh_function, base::ieee754::acosh, |
| BUILTIN_FP_CALL) |
| FUNCTION_REFERENCE_WITH_TYPE(ieee754_asin_function, base::ieee754::asin, |
| BUILTIN_FP_CALL) |
| FUNCTION_REFERENCE_WITH_TYPE(ieee754_asinh_function, base::ieee754::asinh, |
| BUILTIN_FP_CALL) |
| FUNCTION_REFERENCE_WITH_TYPE(ieee754_atan_function, base::ieee754::atan, |
| BUILTIN_FP_CALL) |
| FUNCTION_REFERENCE_WITH_TYPE(ieee754_atanh_function, base::ieee754::atanh, |
| BUILTIN_FP_CALL) |
| FUNCTION_REFERENCE_WITH_TYPE(ieee754_atan2_function, base::ieee754::atan2, |
| BUILTIN_FP_FP_CALL) |
| FUNCTION_REFERENCE_WITH_TYPE(ieee754_cbrt_function, base::ieee754::cbrt, |
| BUILTIN_FP_CALL) |
| FUNCTION_REFERENCE_WITH_TYPE(ieee754_cosh_function, base::ieee754::cosh, |
| BUILTIN_FP_CALL) |
| FUNCTION_REFERENCE_WITH_TYPE(ieee754_exp_function, base::ieee754::exp, |
| BUILTIN_FP_CALL) |
| FUNCTION_REFERENCE_WITH_TYPE(ieee754_expm1_function, base::ieee754::expm1, |
| BUILTIN_FP_CALL) |
| FUNCTION_REFERENCE_WITH_TYPE(ieee754_log_function, base::ieee754::log, |
| BUILTIN_FP_CALL) |
| FUNCTION_REFERENCE_WITH_TYPE(ieee754_log1p_function, base::ieee754::log1p, |
| BUILTIN_FP_CALL) |
| FUNCTION_REFERENCE_WITH_TYPE(ieee754_log10_function, base::ieee754::log10, |
| BUILTIN_FP_CALL) |
| FUNCTION_REFERENCE_WITH_TYPE(ieee754_log2_function, base::ieee754::log2, |
| BUILTIN_FP_CALL) |
| FUNCTION_REFERENCE_WITH_TYPE(ieee754_sinh_function, base::ieee754::sinh, |
| BUILTIN_FP_CALL) |
| FUNCTION_REFERENCE_WITH_TYPE(ieee754_tan_function, base::ieee754::tan, |
| BUILTIN_FP_CALL) |
| FUNCTION_REFERENCE_WITH_TYPE(ieee754_tanh_function, base::ieee754::tanh, |
| BUILTIN_FP_CALL) |
| FUNCTION_REFERENCE_WITH_TYPE(ieee754_pow_function, math::pow, |
| BUILTIN_FP_FP_CALL) |
| |
| #if defined(V8_USE_LIBM_TRIG_FUNCTIONS) |
| ExternalReference ExternalReference::ieee754_sin_function() { |
| static_assert( |
| IsValidExternalReferenceType<decltype(&base::ieee754::libm_sin)>::value); |
| static_assert(IsValidExternalReferenceType< |
| decltype(&base::ieee754::fdlibm_sin)>::value); |
| auto* f = v8_flags.use_libm_trig_functions ? base::ieee754::libm_sin |
| : base::ieee754::fdlibm_sin; |
| return ExternalReference(Redirect(FUNCTION_ADDR(f), BUILTIN_FP_CALL)); |
| } |
| ExternalReference ExternalReference::ieee754_cos_function() { |
| static_assert( |
| IsValidExternalReferenceType<decltype(&base::ieee754::libm_cos)>::value); |
| static_assert(IsValidExternalReferenceType< |
| decltype(&base::ieee754::fdlibm_cos)>::value); |
| auto* f = v8_flags.use_libm_trig_functions ? base::ieee754::libm_cos |
| : base::ieee754::fdlibm_cos; |
| return ExternalReference(Redirect(FUNCTION_ADDR(f), BUILTIN_FP_CALL)); |
| } |
| #else |
| FUNCTION_REFERENCE_WITH_TYPE(ieee754_sin_function, base::ieee754::sin, |
| BUILTIN_FP_CALL) |
| FUNCTION_REFERENCE_WITH_TYPE(ieee754_cos_function, base::ieee754::cos, |
| BUILTIN_FP_CALL) |
| #endif |
| |
| void* libc_memchr(void* string, int character, size_t search_length) { |
| return memchr(string, character, search_length); |
| } |
| |
| FUNCTION_REFERENCE(libc_memchr_function, libc_memchr) |
| |
| void* libc_memcpy(void* dest, const void* src, size_t n) { |
| return memcpy(dest, src, n); |
| } |
| |
| FUNCTION_REFERENCE(libc_memcpy_function, libc_memcpy) |
| |
| void* libc_memmove(void* dest, const void* src, size_t n) { |
| return memmove(dest, src, n); |
| } |
| |
| FUNCTION_REFERENCE(libc_memmove_function, libc_memmove) |
| |
| void* libc_memset(void* dest, int value, size_t n) { |
| DCHECK_EQ(static_cast<uint8_t>(value), value); |
| return memset(dest, value, n); |
| } |
| |
| FUNCTION_REFERENCE(libc_memset_function, libc_memset) |
| |
| void relaxed_memcpy(volatile base::Atomic8* dest, |
| volatile const base::Atomic8* src, size_t n) { |
| base::Relaxed_Memcpy(const_cast<base::Atomic8*>(dest), |
| const_cast<const base::Atomic8*>(src), n); |
| } |
| |
| FUNCTION_REFERENCE(relaxed_memcpy_function, relaxed_memcpy) |
| |
| void relaxed_memmove(volatile base::Atomic8* dest, |
| volatile const base::Atomic8* src, size_t n) { |
| base::Relaxed_Memmove(const_cast<base::Atomic8*>(dest), |
| const_cast<const base::Atomic8*>(src), n); |
| } |
| |
| FUNCTION_REFERENCE(relaxed_memmove_function, relaxed_memmove) |
| |
| ExternalReference ExternalReference::printf_function() { |
| return ExternalReference(Redirect(FUNCTION_ADDR(std::printf))); |
| } |
| |
| FUNCTION_REFERENCE(refill_math_random, MathRandom::RefillCache) |
| |
| template <typename SubjectChar, typename PatternChar> |
| ExternalReference ExternalReference::search_string_raw() { |
| auto f = SearchStringRaw<SubjectChar, PatternChar>; |
| return ExternalReference(Redirect(FUNCTION_ADDR(f))); |
| } |
| |
| FUNCTION_REFERENCE(jsarray_array_join_concat_to_sequential_string, |
| JSArray::ArrayJoinConcatToSequentialString) |
| |
| FUNCTION_REFERENCE(gsab_byte_length, JSArrayBuffer::GsabByteLength) |
| |
| ExternalReference ExternalReference::search_string_raw_one_one() { |
| return search_string_raw<const uint8_t, const uint8_t>(); |
| } |
| |
| ExternalReference ExternalReference::search_string_raw_one_two() { |
| return search_string_raw<const uint8_t, const base::uc16>(); |
| } |
| |
| ExternalReference ExternalReference::search_string_raw_two_one() { |
| return search_string_raw<const base::uc16, const uint8_t>(); |
| } |
| |
| ExternalReference ExternalReference::search_string_raw_two_two() { |
| return search_string_raw<const base::uc16, const base::uc16>(); |
| } |
| |
| ExternalReference |
| ExternalReference::typed_array_and_rab_gsab_typed_array_elements_kind_shifts() { |
| uint8_t* ptr = |
| const_cast<uint8_t*>(TypedArrayAndRabGsabTypedArrayElementsKindShifts()); |
| return ExternalReference(reinterpret_cast<Address>(ptr)); |
| } |
| |
| ExternalReference |
| ExternalReference::typed_array_and_rab_gsab_typed_array_elements_kind_sizes() { |
| uint8_t* ptr = |
| const_cast<uint8_t*>(TypedArrayAndRabGsabTypedArrayElementsKindSizes()); |
| return ExternalReference(reinterpret_cast<Address>(ptr)); |
| } |
| |
| namespace { |
| |
| void StringWriteToFlatOneByte(Address source, uint8_t* sink, int32_t start, |
| int32_t length) { |
| return String::WriteToFlat<uint8_t>(Cast<String>(Tagged<Object>(source)), |
| sink, start, length); |
| } |
| |
| void StringWriteToFlatTwoByte(Address source, uint16_t* sink, int32_t start, |
| int32_t length) { |
| return String::WriteToFlat<uint16_t>(Cast<String>(Tagged<Object>(source)), |
| sink, start, length); |
| } |
| |
| const uint8_t* ExternalOneByteStringGetChars(Address string) { |
| // The following CHECK is a workaround to prevent a CFI bug where |
| // ExternalOneByteStringGetChars() and ExternalTwoByteStringGetChars() are |
| // merged by the linker, resulting in one of the input type's vtable address |
| // failing the address range check. |
| // TODO(chromium:1160961): Consider removing the CHECK when CFI is fixed. |
| CHECK(IsExternalOneByteString(Tagged<Object>(string))); |
| return Cast<ExternalOneByteString>(Tagged<Object>(string))->GetChars(); |
| } |
| const uint16_t* ExternalTwoByteStringGetChars(Address string) { |
| // The following CHECK is a workaround to prevent a CFI bug where |
| // ExternalOneByteStringGetChars() and ExternalTwoByteStringGetChars() are |
| // merged by the linker, resulting in one of the input type's vtable address |
| // failing the address range check. |
| // TODO(chromium:1160961): Consider removing the CHECK when CFI is fixed. |
| CHECK(IsExternalTwoByteString(Tagged<Object>(string))); |
| return Cast<ExternalTwoByteString>(Tagged<Object>(string))->GetChars(); |
| } |
| |
| } // namespace |
| |
| FUNCTION_REFERENCE(string_write_to_flat_one_byte, StringWriteToFlatOneByte) |
| FUNCTION_REFERENCE(string_write_to_flat_two_byte, StringWriteToFlatTwoByte) |
| |
| FUNCTION_REFERENCE(external_one_byte_string_get_chars, |
| ExternalOneByteStringGetChars) |
| FUNCTION_REFERENCE(external_two_byte_string_get_chars, |
| ExternalTwoByteStringGetChars) |
| |
| // See: |
| // https://lemire.me/blog/2021/06/03/computing-the-number-of-digits-of-an-integer-even-faster/ |
| static constexpr uint64_t kLog10OffsetTable[] = { |
| 0x100000000, 0x1fffffff6, 0x1fffffff6, 0x1fffffff6, 0x2ffffff9c, |
| 0x2ffffff9c, 0x2ffffff9c, 0x3fffffc18, 0x3fffffc18, 0x3fffffc18, |
| 0x4ffffd8f0, 0x4ffffd8f0, 0x4ffffd8f0, 0x4ffffd8f0, 0x5fffe7960, |
| 0x5fffe7960, 0x5fffe7960, 0x6fff0bdc0, 0x6fff0bdc0, 0x6fff0bdc0, |
| 0x7ff676980, 0x7ff676980, 0x7ff676980, 0x7ff676980, 0x8fa0a1f00, |
| 0x8fa0a1f00, 0x8fa0a1f00, 0x9c4653600, 0x9c4653600, 0x9c4653600, |
| 0xa00000000, 0xa00000000, |
| }; |
| |
| ExternalReference ExternalReference::address_of_log10_offset_table() { |
| return ExternalReference(reinterpret_cast<Address>(&kLog10OffsetTable[0])); |
| } |
| |
| FUNCTION_REFERENCE(orderedhashmap_gethash_raw, OrderedHashMap::GetHash) |
| |
| Address GetOrCreateHash(Isolate* isolate, Address raw_key) { |
| DisallowGarbageCollection no_gc; |
| return Object::GetOrCreateHash(Tagged<Object>(raw_key), isolate).ptr(); |
| } |
| |
| FUNCTION_REFERENCE(get_or_create_hash_raw, GetOrCreateHash) |
| |
| static Address JSReceiverCreateIdentityHash(Isolate* isolate, Address raw_key) { |
| Tagged<JSReceiver> key = Cast<JSReceiver>(Tagged<Object>(raw_key)); |
| return JSReceiver::CreateIdentityHash(isolate, key).ptr(); |
| } |
| |
| FUNCTION_REFERENCE(jsreceiver_create_identity_hash, |
| JSReceiverCreateIdentityHash) |
| |
| static uint32_t ComputeSeededIntegerHash(Isolate* isolate, int32_t key) { |
| DisallowGarbageCollection no_gc; |
| return ComputeSeededHash(static_cast<uint32_t>(key), |
| HashSeed(isolate).seed()); |
| } |
| |
| FUNCTION_REFERENCE(compute_integer_hash, ComputeSeededIntegerHash) |
| |
| enum LookupMode { kFindExisting, kFindInsertionEntry }; |
| template <typename Dictionary, LookupMode mode> |
| static size_t NameDictionaryLookupForwardedStringWithHandle(Isolate* isolate, |
| Address raw_dict, |
| Address raw_key) { |
| // This function cannot allocate, but there is a HandleScope because it needs |
| // to pass Handle<Name> to the dictionary methods. |
| DisallowGarbageCollection no_gc; |
| HandleScope handle_scope(isolate); |
| |
| DirectHandle<String> key(Cast<String>(Tagged<Object>(raw_key)), isolate); |
| // This function should only be used as the slow path for forwarded strings. |
| DCHECK(Name::IsForwardingIndex(key->raw_hash_field())); |
| |
| Tagged<Dictionary> dict = Cast<Dictionary>(Tagged<Object>(raw_dict)); |
| ReadOnlyRoots roots(isolate); |
| uint32_t hash = key->hash(); |
| InternalIndex entry = mode == kFindExisting |
| ? dict->FindEntry(isolate, roots, key, hash) |
| : dict->FindInsertionEntry(isolate, roots, hash); |
| return entry.raw_value(); |
| } |
| |
| FUNCTION_REFERENCE(name_dictionary_lookup_forwarded_string, |
| (NameDictionaryLookupForwardedStringWithHandle< |
| NameDictionary, kFindExisting>)) |
| FUNCTION_REFERENCE(name_dictionary_find_insertion_entry_forwarded_string, |
| (NameDictionaryLookupForwardedStringWithHandle< |
| NameDictionary, kFindInsertionEntry>)) |
| FUNCTION_REFERENCE(global_dictionary_lookup_forwarded_string, |
| (NameDictionaryLookupForwardedStringWithHandle< |
| GlobalDictionary, kFindExisting>)) |
| FUNCTION_REFERENCE(global_dictionary_find_insertion_entry_forwarded_string, |
| (NameDictionaryLookupForwardedStringWithHandle< |
| GlobalDictionary, kFindInsertionEntry>)) |
| FUNCTION_REFERENCE(simple_name_dictionary_lookup_forwarded_string, |
| (NameDictionaryLookupForwardedStringWithHandle< |
| SimpleNameDictionary, kFindExisting>)) |
| FUNCTION_REFERENCE(simple_name_dictionary_find_insertion_entry_forwarded_string, |
| (NameDictionaryLookupForwardedStringWithHandle< |
| SimpleNameDictionary, kFindInsertionEntry>)) |
| |
| template <typename Dictionary, LookupMode mode> |
| static size_t NameDictionaryLookupForwardedString(Isolate* isolate, |
| Address raw_dict, |
| Address raw_key) { |
| Tagged<String> key = Cast<String>(Tagged<Object>(raw_key)); |
| // This function should only be used as the slow path for forwarded strings. |
| DCHECK(Name::IsForwardingIndex(key->raw_hash_field())); |
| |
| Tagged<Dictionary> dict = Cast<Dictionary>(Tagged<Object>(raw_dict)); |
| ReadOnlyRoots roots(isolate); |
| uint32_t hash = key->hash(); |
| InternalIndex entry = mode == kFindExisting |
| ? dict->FindEntry(isolate, roots, key, hash) |
| : dict->FindInsertionEntry(isolate, roots, hash); |
| return entry.raw_value(); |
| } |
| |
| FUNCTION_REFERENCE( |
| name_to_index_hashtable_lookup_forwarded_string, |
| (NameDictionaryLookupForwardedString<NameToIndexHashTable, kFindExisting>)) |
| FUNCTION_REFERENCE( |
| name_to_index_hashtable_find_insertion_entry_forwarded_string, |
| (NameDictionaryLookupForwardedString<NameToIndexHashTable, |
| kFindInsertionEntry>)) |
| |
| FUNCTION_REFERENCE(copy_fast_number_jsarray_elements_to_typed_array, |
| CopyFastNumberJSArrayElementsToTypedArray) |
| FUNCTION_REFERENCE(copy_typed_array_elements_to_typed_array, |
| CopyTypedArrayElementsToTypedArray) |
| FUNCTION_REFERENCE(copy_typed_array_elements_slice, CopyTypedArrayElementsSlice) |
| FUNCTION_REFERENCE(try_string_to_index_or_lookup_existing, |
| StringTable::TryStringToIndexOrLookupExisting) |
| FUNCTION_REFERENCE(string_from_forward_table, |
| StringForwardingTable::GetForwardStringAddress) |
| FUNCTION_REFERENCE(raw_hash_from_forward_table, |
| StringForwardingTable::GetRawHashStatic) |
| FUNCTION_REFERENCE(string_to_array_index_function, String::ToArrayIndex) |
| FUNCTION_REFERENCE(array_indexof_includes_smi_or_object, |
| ArrayIndexOfIncludesSmiOrObject) |
| FUNCTION_REFERENCE(array_indexof_includes_double, ArrayIndexOfIncludesDouble) |
| |
| static Address LexicographicCompareWrapper(Isolate* isolate, Address smi_x, |
| Address smi_y) { |
| Tagged<Smi> x(smi_x); |
| Tagged<Smi> y(smi_y); |
| return Smi::LexicographicCompare(isolate, x, y); |
| } |
| |
| FUNCTION_REFERENCE(smi_lexicographic_compare_function, |
| LexicographicCompareWrapper) |
| |
| uint32_t HasUnpairedSurrogate(const uint16_t* code_units, size_t length) { |
| // Use uint32_t to avoid complexity around bool return types. |
| static constexpr uint32_t kTrue = 1; |
| static constexpr uint32_t kFalse = 0; |
| return unibrow::Utf16::HasUnpairedSurrogate(code_units, length) ? kTrue |
| : kFalse; |
| } |
| |
| FUNCTION_REFERENCE(has_unpaired_surrogate, HasUnpairedSurrogate) |
| |
| void ReplaceUnpairedSurrogates(const uint16_t* source_code_units, |
| uint16_t* dest_code_units, size_t length) { |
| return unibrow::Utf16::ReplaceUnpairedSurrogates(source_code_units, |
| dest_code_units, length); |
| } |
| |
| FUNCTION_REFERENCE(replace_unpaired_surrogates, ReplaceUnpairedSurrogates) |
| |
| FUNCTION_REFERENCE(mutable_big_int_absolute_add_and_canonicalize_function, |
| MutableBigInt_AbsoluteAddAndCanonicalize) |
| |
| FUNCTION_REFERENCE(mutable_big_int_absolute_compare_function, |
| MutableBigInt_AbsoluteCompare) |
| |
| FUNCTION_REFERENCE(mutable_big_int_absolute_sub_and_canonicalize_function, |
| MutableBigInt_AbsoluteSubAndCanonicalize) |
| |
| FUNCTION_REFERENCE(mutable_big_int_absolute_mul_and_canonicalize_function, |
| MutableBigInt_AbsoluteMulAndCanonicalize) |
| |
| FUNCTION_REFERENCE(mutable_big_int_absolute_div_and_canonicalize_function, |
| MutableBigInt_AbsoluteDivAndCanonicalize) |
| |
| FUNCTION_REFERENCE(mutable_big_int_absolute_mod_and_canonicalize_function, |
| MutableBigInt_AbsoluteModAndCanonicalize) |
| |
| FUNCTION_REFERENCE(mutable_big_int_bitwise_and_pp_and_canonicalize_function, |
| MutableBigInt_BitwiseAndPosPosAndCanonicalize) |
| |
| FUNCTION_REFERENCE(mutable_big_int_bitwise_and_nn_and_canonicalize_function, |
| MutableBigInt_BitwiseAndNegNegAndCanonicalize) |
| |
| FUNCTION_REFERENCE(mutable_big_int_bitwise_and_pn_and_canonicalize_function, |
| MutableBigInt_BitwiseAndPosNegAndCanonicalize) |
| |
| FUNCTION_REFERENCE(mutable_big_int_bitwise_or_pp_and_canonicalize_function, |
| MutableBigInt_BitwiseOrPosPosAndCanonicalize) |
| |
| FUNCTION_REFERENCE(mutable_big_int_bitwise_or_nn_and_canonicalize_function, |
| MutableBigInt_BitwiseOrNegNegAndCanonicalize) |
| |
| FUNCTION_REFERENCE(mutable_big_int_bitwise_or_pn_and_canonicalize_function, |
| MutableBigInt_BitwiseOrPosNegAndCanonicalize) |
| |
| FUNCTION_REFERENCE(mutable_big_int_bitwise_xor_pp_and_canonicalize_function, |
| MutableBigInt_BitwiseXorPosPosAndCanonicalize) |
| |
| FUNCTION_REFERENCE(mutable_big_int_bitwise_xor_nn_and_canonicalize_function, |
| MutableBigInt_BitwiseXorNegNegAndCanonicalize) |
| |
| FUNCTION_REFERENCE(mutable_big_int_bitwise_xor_pn_and_canonicalize_function, |
| MutableBigInt_BitwiseXorPosNegAndCanonicalize) |
| |
| FUNCTION_REFERENCE(mutable_big_int_left_shift_and_canonicalize_function, |
| MutableBigInt_LeftShiftAndCanonicalize) |
| |
| FUNCTION_REFERENCE(big_int_right_shift_result_length_function, |
| RightShiftResultLength) |
| |
| FUNCTION_REFERENCE(mutable_big_int_right_shift_and_canonicalize_function, |
| MutableBigInt_RightShiftAndCanonicalize) |
| |
| FUNCTION_REFERENCE(check_object_type, CheckObjectType) |
| |
| #ifdef V8_INTL_SUPPORT |
| |
| static Address ConvertOneByteToLower(Address raw_src, Address raw_dst) { |
| Tagged<String> src = Cast<String>(Tagged<Object>(raw_src)); |
| Tagged<String> dst = Cast<String>(Tagged<Object>(raw_dst)); |
| return Intl::ConvertOneByteToLower(src, dst).ptr(); |
| } |
| FUNCTION_REFERENCE(intl_convert_one_byte_to_lower, ConvertOneByteToLower) |
| |
| ExternalReference ExternalReference::intl_to_latin1_lower_table() { |
| uint8_t* ptr = const_cast<uint8_t*>(Intl::ToLatin1LowerTable()); |
| return ExternalReference(reinterpret_cast<Address>(ptr)); |
| } |
| |
| ExternalReference ExternalReference::intl_ascii_collation_weights_l1() { |
| uint8_t* ptr = const_cast<uint8_t*>(Intl::AsciiCollationWeightsL1()); |
| return ExternalReference(reinterpret_cast<Address>(ptr)); |
| } |
| |
| ExternalReference ExternalReference::intl_ascii_collation_weights_l3() { |
| uint8_t* ptr = const_cast<uint8_t*>(Intl::AsciiCollationWeightsL3()); |
| return ExternalReference(reinterpret_cast<Address>(ptr)); |
| } |
| |
| #endif // V8_INTL_SUPPORT |
| |
| // Explicit instantiations for all combinations of 1- and 2-byte strings. |
| template ExternalReference |
| ExternalReference::search_string_raw<const uint8_t, const uint8_t>(); |
| template ExternalReference |
| ExternalReference::search_string_raw<const uint8_t, const base::uc16>(); |
| template ExternalReference |
| ExternalReference::search_string_raw<const base::uc16, const uint8_t>(); |
| template ExternalReference |
| ExternalReference::search_string_raw<const base::uc16, const base::uc16>(); |
| |
| ExternalReference ExternalReference::FromRawAddress(Address address) { |
| if (address <= static_cast<Address>(kNumIsolateFieldIds)) { |
| return ExternalReference(static_cast<IsolateFieldId>(address)); |
| } |
| return ExternalReference(address); |
| } |
| |
| ExternalReference ExternalReference::cpu_features() { |
| DCHECK(CpuFeatures::initialized_); |
| return ExternalReference(&CpuFeatures::supported_); |
| } |
| |
| ExternalReference ExternalReference::promise_hook_flags_address( |
| Isolate* isolate) { |
| return ExternalReference(isolate->promise_hook_flags_address()); |
| } |
| |
| ExternalReference ExternalReference::promise_hook_address(Isolate* isolate) { |
| return ExternalReference(isolate->promise_hook_address()); |
| } |
| |
| ExternalReference ExternalReference::async_event_delegate_address( |
| Isolate* isolate) { |
| return ExternalReference(isolate->async_event_delegate_address()); |
| } |
| |
| ExternalReference ExternalReference::debug_is_active_address(Isolate* isolate) { |
| return ExternalReference(isolate->debug()->is_active_address()); |
| } |
| |
| ExternalReference ExternalReference::debug_hook_on_function_call_address( |
| Isolate* isolate) { |
| return ExternalReference(isolate->debug()->hook_on_function_call_address()); |
| } |
| |
| ExternalReference ExternalReference::runtime_function_table_address( |
| Isolate* isolate) { |
| return ExternalReference( |
| const_cast<Runtime::Function*>(Runtime::RuntimeFunctionTable(isolate))); |
| } |
| |
| static Address InvalidatePrototypeChainsWrapper(Address raw_map) { |
| Tagged<Map> map = Cast<Map>(Tagged<Object>(raw_map)); |
| return JSObject::InvalidatePrototypeChains(map).ptr(); |
| } |
| |
| FUNCTION_REFERENCE(invalidate_prototype_chains_function, |
| InvalidatePrototypeChainsWrapper) |
| |
| double modulo_double_double(double x, double y) { return Modulo(x, y); } |
| |
| FUNCTION_REFERENCE_WITH_TYPE(mod_two_doubles_operation, modulo_double_double, |
| BUILTIN_FP_FP_CALL) |
| |
| ExternalReference ExternalReference::debug_suspended_generator_address( |
| Isolate* isolate) { |
| return ExternalReference(isolate->debug()->suspended_generator_address()); |
| } |
| |
| ExternalReference ExternalReference::context_address(Isolate* isolate) { |
| return ExternalReference(isolate->context_address()); |
| } |
| |
| FUNCTION_REFERENCE(call_enqueue_microtask_function, |
| MicrotaskQueue::CallEnqueueMicrotask) |
| |
| ExternalReference ExternalReference::int64_mul_high_function() { |
| return ExternalReference( |
| Redirect(FUNCTION_ADDR(base::bits::SignedMulHigh64))); |
| } |
| |
| static int64_t atomic_pair_load(intptr_t address) { |
| return std::atomic_load(reinterpret_cast<std::atomic<int64_t>*>(address)); |
| } |
| |
| ExternalReference ExternalReference::atomic_pair_load_function() { |
| return ExternalReference(Redirect(FUNCTION_ADDR(atomic_pair_load))); |
| } |
| |
| static void atomic_pair_store(intptr_t address, int value_low, int value_high) { |
| int64_t value = |
| static_cast<int64_t>(value_high) << 32 | (value_low & 0xFFFFFFFF); |
| std::atomic_store(reinterpret_cast<std::atomic<int64_t>*>(address), value); |
| } |
| |
| ExternalReference ExternalReference::atomic_pair_store_function() { |
| return ExternalReference(Redirect(FUNCTION_ADDR(atomic_pair_store))); |
| } |
| |
| static int64_t atomic_pair_add(intptr_t address, int value_low, |
| int value_high) { |
| int64_t value = |
| static_cast<int64_t>(value_high) << 32 | (value_low & 0xFFFFFFFF); |
| return std::atomic_fetch_add(reinterpret_cast<std::atomic<int64_t>*>(address), |
| value); |
| } |
| |
| ExternalReference ExternalReference::atomic_pair_add_function() { |
| return ExternalReference(Redirect(FUNCTION_ADDR(atomic_pair_add))); |
| } |
| |
| static int64_t atomic_pair_sub(intptr_t address, int value_low, |
| int value_high) { |
| int64_t value = |
| static_cast<int64_t>(value_high) << 32 | (value_low & 0xFFFFFFFF); |
| return std::atomic_fetch_sub(reinterpret_cast<std::atomic<int64_t>*>(address), |
| value); |
| } |
| |
| ExternalReference ExternalReference::atomic_pair_sub_function() { |
| return ExternalReference(Redirect(FUNCTION_ADDR(atomic_pair_sub))); |
| } |
| |
| static int64_t atomic_pair_and(intptr_t address, int value_low, |
| int value_high) { |
| int64_t value = |
| static_cast<int64_t>(value_high) << 32 | (value_low & 0xFFFFFFFF); |
| return std::atomic_fetch_and(reinterpret_cast<std::atomic<int64_t>*>(address), |
| value); |
| } |
| |
| ExternalReference ExternalReference::atomic_pair_and_function() { |
| return ExternalReference(Redirect(FUNCTION_ADDR(atomic_pair_and))); |
| } |
| |
| static int64_t atomic_pair_or(intptr_t address, int value_low, int value_high) { |
| int64_t value = |
| static_cast<int64_t>(value_high) << 32 | (value_low & 0xFFFFFFFF); |
| return std::atomic_fetch_or(reinterpret_cast<std::atomic<int64_t>*>(address), |
| value); |
| } |
| |
| ExternalReference ExternalReference::atomic_pair_or_function() { |
| return ExternalReference(Redirect(FUNCTION_ADDR(atomic_pair_or))); |
| } |
| |
| static int64_t atomic_pair_xor(intptr_t address, int value_low, |
| int value_high) { |
| int64_t value = |
| static_cast<int64_t>(value_high) << 32 | (value_low & 0xFFFFFFFF); |
| return std::atomic_fetch_xor(reinterpret_cast<std::atomic<int64_t>*>(address), |
| value); |
| } |
| |
| ExternalReference ExternalReference::atomic_pair_xor_function() { |
| return ExternalReference(Redirect(FUNCTION_ADDR(atomic_pair_xor))); |
| } |
| |
| static int64_t atomic_pair_exchange(intptr_t address, int value_low, |
| int value_high) { |
| int64_t value = |
| static_cast<int64_t>(value_high) << 32 | (value_low & 0xFFFFFFFF); |
| return std::atomic_exchange(reinterpret_cast<std::atomic<int64_t>*>(address), |
| value); |
| } |
| |
| ExternalReference ExternalReference::atomic_pair_exchange_function() { |
| return ExternalReference(Redirect(FUNCTION_ADDR(atomic_pair_exchange))); |
| } |
| |
| static uint64_t atomic_pair_compare_exchange(intptr_t address, |
| int old_value_low, |
| int old_value_high, |
| int new_value_low, |
| int new_value_high) { |
| uint64_t old_value = static_cast<uint64_t>(old_value_high) << 32 | |
| (old_value_low & 0xFFFFFFFF); |
| uint64_t new_value = static_cast<uint64_t>(new_value_high) << 32 | |
| (new_value_low & 0xFFFFFFFF); |
| std::atomic_compare_exchange_strong( |
| reinterpret_cast<std::atomic<uint64_t>*>(address), &old_value, new_value); |
| return old_value; |
| } |
| |
| FUNCTION_REFERENCE(atomic_pair_compare_exchange_function, |
| atomic_pair_compare_exchange) |
| |
| #ifdef V8_IS_TSAN |
| namespace { |
| // Mimics the store in generated code by having a relaxed store to the same |
| // address, with the same value. This is done in order for TSAN to see these |
| // stores from generated code. |
| // Note that {value} is an int64_t irrespective of the store size. This is on |
| // purpose to keep the function signatures the same across stores. The |
| // static_cast inside the method will ignore the bits which will not be stored. |
| void tsan_relaxed_store_8_bits(Address addr, int64_t value) { |
| #if V8_TARGET_ARCH_X64 |
| base::Relaxed_Store(reinterpret_cast<base::Atomic8*>(addr), |
| static_cast<base::Atomic8>(value)); |
| #else |
| UNREACHABLE(); |
| #endif // V8_TARGET_ARCH_X64 |
| } |
| |
| void tsan_relaxed_store_16_bits(Address addr, int64_t value) { |
| #if V8_TARGET_ARCH_X64 |
| base::Relaxed_Store(reinterpret_cast<base::Atomic16*>(addr), |
| static_cast<base::Atomic16>(value)); |
| #else |
| UNREACHABLE(); |
| #endif // V8_TARGET_ARCH_X64 |
| } |
| |
| void tsan_relaxed_store_32_bits(Address addr, int64_t value) { |
| #if V8_TARGET_ARCH_X64 |
| base::Relaxed_Store(reinterpret_cast<base::Atomic32*>(addr), |
| static_cast<base::Atomic32>(value)); |
| #else |
| UNREACHABLE(); |
| #endif // V8_TARGET_ARCH_X64 |
| } |
| |
| void tsan_relaxed_store_64_bits(Address addr, int64_t value) { |
| #if V8_TARGET_ARCH_X64 |
| base::Relaxed_Store(reinterpret_cast<base::Atomic64*>(addr), |
| static_cast<base::Atomic64>(value)); |
| #else |
| UNREACHABLE(); |
| #endif // V8_TARGET_ARCH_X64 |
| } |
| |
| // Same as above, for sequentially consistent stores. |
| void tsan_seq_cst_store_8_bits(Address addr, int64_t value) { |
| #if V8_TARGET_ARCH_X64 |
| base::SeqCst_Store(reinterpret_cast<base::Atomic8*>(addr), |
| static_cast<base::Atomic8>(value)); |
| #else |
| UNREACHABLE(); |
| #endif // V8_TARGET_ARCH_X64 |
| } |
| |
| void tsan_seq_cst_store_16_bits(Address addr, int64_t value) { |
| #if V8_TARGET_ARCH_X64 |
| base::SeqCst_Store(reinterpret_cast<base::Atomic16*>(addr), |
| static_cast<base::Atomic16>(value)); |
| #else |
| UNREACHABLE(); |
| #endif // V8_TARGET_ARCH_X64 |
| } |
| |
| void tsan_seq_cst_store_32_bits(Address addr, int64_t value) { |
| #if V8_TARGET_ARCH_X64 |
| base::SeqCst_Store(reinterpret_cast<base::Atomic32*>(addr), |
| static_cast<base::Atomic32>(value)); |
| #else |
| UNREACHABLE(); |
| #endif // V8_TARGET_ARCH_X64 |
| } |
| |
| void tsan_seq_cst_store_64_bits(Address addr, int64_t value) { |
| #if V8_TARGET_ARCH_X64 |
| base::SeqCst_Store(reinterpret_cast<base::Atomic64*>(addr), |
| static_cast<base::Atomic64>(value)); |
| #else |
| UNREACHABLE(); |
| #endif // V8_TARGET_ARCH_X64 |
| } |
| |
| // Same as above, for relaxed loads. |
| base::Atomic32 tsan_relaxed_load_32_bits(Address addr, int64_t value) { |
| #if V8_TARGET_ARCH_X64 |
| return base::Relaxed_Load(reinterpret_cast<base::Atomic32*>(addr)); |
| #else |
| UNREACHABLE(); |
| #endif // V8_TARGET_ARCH_X64 |
| } |
| |
| base::Atomic64 tsan_relaxed_load_64_bits(Address addr, int64_t value) { |
| #if V8_TARGET_ARCH_X64 |
| return base::Relaxed_Load(reinterpret_cast<base::Atomic64*>(addr)); |
| #else |
| UNREACHABLE(); |
| #endif // V8_TARGET_ARCH_X64 |
| } |
| |
| } // namespace |
| #endif // V8_IS_TSAN |
| |
| IF_TSAN(FUNCTION_REFERENCE, tsan_relaxed_store_function_8_bits, |
| tsan_relaxed_store_8_bits) |
| IF_TSAN(FUNCTION_REFERENCE, tsan_relaxed_store_function_16_bits, |
| tsan_relaxed_store_16_bits) |
| IF_TSAN(FUNCTION_REFERENCE, tsan_relaxed_store_function_32_bits, |
| tsan_relaxed_store_32_bits) |
| IF_TSAN(FUNCTION_REFERENCE, tsan_relaxed_store_function_64_bits, |
| tsan_relaxed_store_64_bits) |
| IF_TSAN(FUNCTION_REFERENCE, tsan_seq_cst_store_function_8_bits, |
| tsan_seq_cst_store_8_bits) |
| IF_TSAN(FUNCTION_REFERENCE, tsan_seq_cst_store_function_16_bits, |
| tsan_seq_cst_store_16_bits) |
| IF_TSAN(FUNCTION_REFERENCE, tsan_seq_cst_store_function_32_bits, |
| tsan_seq_cst_store_32_bits) |
| IF_TSAN(FUNCTION_REFERENCE, tsan_seq_cst_store_function_64_bits, |
| tsan_seq_cst_store_64_bits) |
| IF_TSAN(FUNCTION_REFERENCE, tsan_relaxed_load_function_32_bits, |
| tsan_relaxed_load_32_bits) |
| IF_TSAN(FUNCTION_REFERENCE, tsan_relaxed_load_function_64_bits, |
| tsan_relaxed_load_64_bits) |
| |
| static int EnterContextWrapper(HandleScopeImplementer* hsi, |
| Address raw_context) { |
| Tagged<NativeContext> context = |
| Cast<NativeContext>(Tagged<Object>(raw_context)); |
| hsi->EnterContext(context); |
| return 0; |
| } |
| |
| FUNCTION_REFERENCE(call_enter_context_function, EnterContextWrapper) |
| |
| bool operator==(ExternalReference lhs, ExternalReference rhs) { |
| return lhs.raw() == rhs.raw(); |
| } |
| |
| bool operator!=(ExternalReference lhs, ExternalReference rhs) { |
| return !(lhs == rhs); |
| } |
| |
| size_t hash_value(ExternalReference reference) { |
| if (v8_flags.predictable) { |
| // Avoid ASLR non-determinism in predictable mode. For this, just take the |
| // lowest 12 bit corresponding to a 4K page size. |
| return base::hash<Address>()(reference.raw() & 0xfff); |
| } |
| return base::hash<Address>()(reference.raw()); |
| } |
| |
| namespace { |
| static constexpr const char* GetNameOfIsolateFieldId(IsolateFieldId id) { |
| switch (id) { |
| #define CASE(CamelName, name) \ |
| case IsolateFieldId::k##CamelName: \ |
| return #name; |
| EXTERNAL_REFERENCE_LIST_ISOLATE_FIELDS(CASE) |
| #undef CASE |
| #define CASE(camel, size, name) \ |
| case IsolateFieldId::k##camel: \ |
| return #name; |
| ISOLATE_DATA_FIELDS(CASE) |
| #undef CASE |
| default: |
| return "unknown"; |
| } |
| } |
| } // namespace |
| |
| std::ostream& operator<<(std::ostream& os, ExternalReference reference) { |
| os << reinterpret_cast<const void*>(reference.raw()); |
| if (reference.IsIsolateFieldId()) { |
| os << " <" |
| << GetNameOfIsolateFieldId(static_cast<IsolateFieldId>(reference.raw())) |
| << ">"; |
| } else { |
| const Runtime::Function* fn = |
| Runtime::FunctionForEntry(reference.address()); |
| if (fn) os << " <" << fn->name << ".entry>"; |
| } |
| return os; |
| } |
| |
| void abort_with_reason(int reason) { |
| if (IsValidAbortReason(reason)) { |
| const char* message = GetAbortReason(static_cast<AbortReason>(reason)); |
| base::OS::PrintError("abort: %s\n", message); |
| } else { |
| base::OS::PrintError("abort: <unknown reason: %d>\n", reason); |
| } |
| base::OS::Abort(); |
| UNREACHABLE(); |
| } |
| |
| #undef RAW_FUNCTION_REFERENCE |
| #undef FUNCTION_REFERENCE |
| #undef FUNCTION_REFERENCE_WITH_TYPE |
| |
| } // namespace internal |
| } // namespace v8 |
