// 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_CODEGEN_EXTERNAL_REFERENCE_H_

#define V8_CODEGEN_EXTERNAL_REFERENCE_H_

#include "src/common/globals.h"

#include "src/execution/isolate-data-fields.h"

#include "src/runtime/runtime.h"

namespace v8 {

class ApiFunction;

class CFunctionInfo;

namespace internal {

class Isolate;

class NormalPage;

class SCTableReference;

class StatsCounter;

enum class IsolateFieldId : uint8_t;

//------------------------------------------------------------------------------

// External references

// TODO(ishell): Remove entries accessible via IsolateFieldId.

#define EXTERNAL_REFERENCE_LIST_WITH_ISOLATE(V) \

V(isolate_address, "isolate") \

V(handle_scope_implementer_address, \

"Isolate::handle_scope_implementer_address") \

V(address_of_interpreter_entry_trampoline_instruction_start, \

"Address of the InterpreterEntryTrampoline instruction start") \

V(interpreter_dispatch_counters, "Interpreter::dispatch_counters") \

V(interpreter_dispatch_table_address, "Interpreter::dispatch_table_address") \

V(force_slow_path, "Isolate::force_slow_path_address()") \

V(isolate_root, "Isolate::isolate_root()") \

V(allocation_sites_list_address, "Heap::allocation_sites_list_address()") \

V(address_of_jslimit, "StackGuard::address_of_jslimit()") \

V(address_of_no_heap_write_interrupt_request, \

"StackGuard::address_of_interrupt_request(StackGuard::InterruptLevel::" \

"kNoHeapWrites)") \

V(address_of_real_jslimit, "StackGuard::address_of_real_jslimit()") \

V(heap_is_marking_flag_address, "heap_is_marking_flag_address") \

V(heap_is_minor_marking_flag_address, "heap_is_minor_marking_flag_address") \

V(is_shared_space_isolate_flag_address, \

"is_shared_space_isolate_flag_address") \

V(last_young_allocation_address, "last_young_allocation_address") \

V(array_buffer_max_allocation_address, \

"Heap::ArrayBufferMaxAllocationAddress") \

V(handle_scope_level_address, "HandleScope::level") \

V(handle_scope_next_address, "HandleScope::next") \

V(handle_scope_limit_address, "HandleScope::limit") \

V(exception_address, "Isolate::exception") \

V(address_of_pending_message, "address_of_pending_message") \

V(promise_hook_flags_address, "Isolate::promise_hook_flags_address()") \

V(promise_hook_address, "Isolate::promise_hook_address()") \

V(async_event_delegate_address, "Isolate::async_event_delegate_address()") \

V(debug_is_active_address, "Debug::is_active_address()") \

V(debug_hook_on_function_call_address, \

"Debug::hook_on_function_call_address()") \

V(runtime_function_table_address, \

"Runtime::runtime_function_table_address()") \

V(debug_suspended_generator_address, \

"Debug::step_suspended_generator_address()") \

V(context_address, "Isolate::context_address()") \

V(address_of_regexp_stack_limit_address, \

"RegExpStack::limit_address_address()") \

V(address_of_regexp_stack_memory_top_address, \

"RegExpStack::memory_top_address_address()") \

V(address_of_regexp_stack_stack_pointer, \

"RegExpStack::stack_pointer_address()") \

V(address_of_regexp_static_result_offsets_vector, \

"Isolate::address_of_regexp_static_result_offsets_vector") \

EXTERNAL_REFERENCE_LIST_WITH_ISOLATE_SANDBOX(V) \

EXTERNAL_REFERENCE_LIST_LEAPTIERING(V)

#ifdef V8_ENABLE_SANDBOX

#define EXTERNAL_REFERENCE_LIST_WITH_ISOLATE_SANDBOX(V) \

V(external_pointer_table_address, \

"Isolate::external_pointer_table_address()") \

V(shared_external_pointer_table_address_address, \

"Isolate::shared_external_pointer_table_address_address()") \

V(trusted_pointer_table_base_address, \

"Isolate::trusted_pointer_table_base_address()") \

V(shared_trusted_pointer_table_base_address, \

"Isolate::shared_trusted_pointer_table_base_address()") \

V(code_pointer_table_base_address, \

"Isolate::code_pointer_table_base_address()")

#else

#define EXTERNAL_REFERENCE_LIST_WITH_ISOLATE_SANDBOX(V)

#endif // V8_ENABLE_SANDBOX

#define EXTERNAL_REFERENCE_LIST(V) \

V(abort_with_reason, "abort_with_reason") \

V(abort_with_sandbox_violation, "abort_with_sandbox_violation") \

V(address_of_log_or_trace_osr, "v8_flags.log_or_trace_osr") \

V(address_of_builtin_subclassing_flag, "v8_flags.builtin_subclassing") \

V(address_of_double_abs_constant, "double_absolute_constant") \

V(address_of_double_neg_constant, "double_negate_constant") \

V(address_of_enable_experimental_regexp_engine, \

"address_of_enable_experimental_regexp_engine") \

V(address_of_fp16_abs_constant, "fp16_absolute_constant") \

V(address_of_fp16_neg_constant, "fp16_negate_constant") \

V(address_of_float_abs_constant, "float_absolute_constant") \

V(address_of_float_neg_constant, "float_negate_constant") \

V(address_of_log10_offset_table, "log10_offset_table") \

V(address_of_min_int, "LDoubleConstant::min_int") \

V(address_of_mock_arraybuffer_allocator_flag, \

"v8_flags.mock_arraybuffer_allocator") \

V(address_of_one_half, "LDoubleConstant::one_half") \

V(address_of_runtime_stats_flag, "TracingFlags::runtime_stats") \

V(address_of_shared_string_table_flag, "v8_flags.shared_string_table") \

V(address_of_the_hole_nan, "the_hole_nan") \

V(address_of_track_array_buffer_views_flag, \

"v8_flags.track_array_buffer_view") \

V(address_of_uint32_bias, "uint32_bias") \

V(allocate_and_initialize_young_external_pointer_table_entry, \

"AllocateAndInitializeYoungExternalPointerTableEntry") \

V(baseline_pc_for_next_executed_bytecode, \

"BaselinePCForNextExecutedBytecode") \

V(bytecode_size_table_address, "Bytecodes::bytecode_size_table_address") \

V(check_object_type, "check_object_type") \

V(compute_integer_hash, "ComputeSeededHash") \

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(debug_break_at_entry_function, "DebugBreakAtEntry") \

V(debug_get_coverage_info_function, "DebugGetCoverageInfo") \

V(delete_handle_scope_extensions, "HandleScope::DeleteExtensions") \

V(ephemeron_key_write_barrier_function, \

"Heap::EphemeronKeyWriteBarrierFromCode") \

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(get_date_field_function, "JSDate::GetField") \

V(get_or_create_hash_raw, "get_or_create_hash_raw") \

V(gsab_byte_length, "GsabByteLength") \

V(ieee754_fp64_to_fp16_raw_bits, "ieee754_fp64_to_fp16_raw_bits") \

V(ieee754_fp64_raw_bits_to_fp16_raw_bits_for_32bit_arch, \

"ieee754_fp64_raw_bits_to_fp16_raw_bits_for_32bit_arch") \

V(ieee754_fp16_raw_bits_to_fp32_raw_bits, \

"ieee754_fp16_raw_bits_to_fp32_raw_bits") \

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_atan_function, "base::ieee754::atan") \

V(ieee754_atan2_function, "base::ieee754::atan2") \

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_log_function, "base::ieee754::log") \

V(ieee754_log10_function, "base::ieee754::log10") \

V(ieee754_log1p_function, "base::ieee754::log1p") \

V(ieee754_log2_function, "base::ieee754::log2") \

V(ieee754_pow_function, "math::pow") \

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(insert_remembered_set_function, "Heap::InsertIntoRememberedSetFromCode") \

V(invalidate_prototype_chains_function, \

"JSObject::InvalidatePrototypeChains()") \

V(invoke_accessor_getter_callback, "InvokeAccessorGetterCallback") \

V(invoke_named_interceptor_getter_callback, \

"InvokeNamedInterceptorGetterCallback") \

V(invoke_named_interceptor_setter_callback, \

"InvokeNamedInterceptorSetterCallback") \

V(invoke_function_callback_generic, "InvokeFunctionCallbackGeneric") \

V(invoke_function_callback_optimized, "InvokeFunctionCallbackOptimized") \

V(jsarray_array_join_concat_to_sequential_string, \

"jsarray_array_join_concat_to_sequential_string") \

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(relaxed_memcpy_function, "relaxed_memcpy") \

V(relaxed_memmove_function, "relaxed_memmove") \

V(mod_two_doubles_operation, "mod_two_doubles") \

V(mutable_big_int_absolute_add_and_canonicalize_function, \

"MutableBigInt_AbsoluteAddAndCanonicalize") \

V(mutable_big_int_absolute_compare_function, \

"MutableBigInt_AbsoluteCompare") \

V(mutable_big_int_absolute_sub_and_canonicalize_function, \

"MutableBigInt_AbsoluteSubAndCanonicalize") \

V(mutable_big_int_absolute_mul_and_canonicalize_function, \

"MutableBigInt_AbsoluteMulAndCanonicalize") \

V(mutable_big_int_absolute_div_and_canonicalize_function, \

"MutableBigInt_AbsoluteDivAndCanonicalize") \

V(mutable_big_int_absolute_mod_and_canonicalize_function, \

"MutableBigInt_AbsoluteModAndCanonicalize") \

V(mutable_big_int_bitwise_and_pp_and_canonicalize_function, \

"MutableBigInt_BitwiseAndPosPosAndCanonicalize") \

V(mutable_big_int_bitwise_and_nn_and_canonicalize_function, \

"MutableBigInt_BitwiseAndNegNegAndCanonicalize") \

V(mutable_big_int_bitwise_and_pn_and_canonicalize_function, \

"MutableBigInt_BitwiseAndPosNegAndCanonicalize") \

V(mutable_big_int_bitwise_or_pp_and_canonicalize_function, \

"MutableBigInt_BitwiseOrPosPosAndCanonicalize") \

V(mutable_big_int_bitwise_or_nn_and_canonicalize_function, \

"MutableBigInt_BitwiseOrNegNegAndCanonicalize") \

V(mutable_big_int_bitwise_or_pn_and_canonicalize_function, \

"MutableBigInt_BitwiseOrPosNegAndCanonicalize") \

V(mutable_big_int_bitwise_xor_pp_and_canonicalize_function, \

"MutableBigInt_BitwiseXorPosPosAndCanonicalize") \

V(mutable_big_int_bitwise_xor_nn_and_canonicalize_function, \

"MutableBigInt_BitwiseXorNegNegAndCanonicalize") \

V(mutable_big_int_bitwise_xor_pn_and_canonicalize_function, \

"MutableBigInt_BitwiseXorPosNegAndCanonicalize") \

V(mutable_big_int_left_shift_and_canonicalize_function, \

"MutableBigInt_LeftShiftAndCanonicalize") \

V(big_int_right_shift_result_length_function, "RightShiftResultLength") \

V(mutable_big_int_right_shift_and_canonicalize_function, \

"MutableBigInt_RightShiftAndCanonicalize") \

V(new_deoptimizer_function, "Deoptimizer::New()") \

V(orderedhashmap_gethash_raw, "orderedhashmap_gethash_raw") \

V(printf_function, "printf") \

V(refill_math_random, "MathRandom::RefillCache") \

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(string_write_to_flat_one_byte, "string_write_to_flat_one_byte") \

V(string_write_to_flat_two_byte, "string_write_to_flat_two_byte") \

V(additive_safe_int_feedback_flag, "v8_flags.additive_safe_int_feedback") \

V(external_one_byte_string_get_chars, "external_one_byte_string_get_chars") \

V(external_two_byte_string_get_chars, "external_two_byte_string_get_chars") \

V(smi_lexicographic_compare_function, "smi_lexicographic_compare_function") \

V(string_to_array_index_function, "String::ToArrayIndex") \

V(array_indexof_includes_smi_or_object, \

"array_indexof_includes_smi_or_object") \

V(array_indexof_includes_double, "array_indexof_includes_double") \

V(has_unpaired_surrogate, "Utf16::HasUnpairedSurrogate") \

V(replace_unpaired_surrogates, "Utf16::ReplaceUnpairedSurrogates") \

V(try_string_to_index_or_lookup_existing, \

"try_string_to_index_or_lookup_existing") \

V(string_from_forward_table, "string_from_forward_table") \

V(raw_hash_from_forward_table, "raw_hash_from_forward_table") \

V(name_dictionary_lookup_forwarded_string, \

"name_dictionary_lookup_forwarded_string") \

V(name_dictionary_find_insertion_entry_forwarded_string, \

"name_dictionary_find_insertion_entry_forwarded_string") \

V(global_dictionary_lookup_forwarded_string, \

"global_dictionary_lookup_forwarded_string") \

V(global_dictionary_find_insertion_entry_forwarded_string, \

"global_dictionary_find_insertion_entry_forwarded_string") \

V(name_to_index_hashtable_lookup_forwarded_string, \

"name_to_index_hashtable_lookup_forwarded_string") \

V(name_to_index_hashtable_find_insertion_entry_forwarded_string, \

"name_to_index_hashtable_find_insertion_entry_forwarded_string") \

V(simple_name_dictionary_lookup_forwarded_string, \

"simple_name_dictionary_lookup_forwarded_string") \

V(simple_name_dictionary_find_insertion_entry_forwarded_string, \

"simple_name_dictionary_find_insertion_entry_forwarded_string") \

V(verify_skipped_indirect_write_barrier, \

"Heap::VerifySkippedIndirectWriteBarrier") \

V(verify_skipped_write_barrier, "Heap::VerifySkippedWriteBarrier") \

IF_WASM(V, wasm_start_stack, "wasm_start_stack") \

IF_WASM(V, wasm_suspender_has_js_frames, "wasm_suspender_has_js_frames") \

IF_WASM(V, wasm_suspend_stack, "wasm_suspend_stack") \

IF_WASM(V, wasm_resume_jspi_stack, "wasm_resume_jspi_stack") \

IF_WASM(V, wasm_resume_wasmfx_stack, "wasm_resume_wasmfx_stack") \

IF_WASM(V, wasm_suspend_wasmfx_stack, "wasm_suspend_wasmfx_stack") \

IF_WASM(V, wasm_return_jspi_stack, "wasm_return_jspi_stack") \

IF_WASM(V, wasm_return_wasmfx_stack, "wasm_return_wasmfx_stack") \

IF_WASM(V, wasm_retire_stack, "wasm_retire_stack") \

IF_WASM(V, wasm_switch_to_the_central_stack, \

"wasm::switch_to_the_central_stack") \

IF_WASM(V, wasm_switch_from_the_central_stack, \

"wasm::switch_from_the_central_stack") \

IF_WASM(V, wasm_switch_to_the_central_stack_for_js, \

"wasm::switch_to_the_central_stack_for_js") \

IF_WASM(V, wasm_switch_from_the_central_stack_for_js, \

"wasm::switch_from_the_central_stack_for_js") \

IF_WASM(V, wasm_code_pointer_table, "GetProcessWideWasmCodePointerTable()") \

IF_WASM(V, wasm_grow_stack, "wasm::grow_stack") \

IF_WASM(V, wasm_shrink_stack, "wasm::shrink_stack") \

IF_WASM(V, wasm_load_old_fp, "wasm::load_old_fp") \

IF_WASM(V, wasm_f32_ceil, "wasm::f32_ceil_wrapper") \

IF_WASM(V, wasm_f32_floor, "wasm::f32_floor_wrapper") \

IF_WASM(V, wasm_f32_nearest_int, "wasm::f32_nearest_int_wrapper") \

IF_WASM(V, wasm_f32_trunc, "wasm::f32_trunc_wrapper") \

IF_WASM(V, wasm_f64_ceil, "wasm::f64_ceil_wrapper") \

IF_WASM(V, wasm_f64_floor, "wasm::f64_floor_wrapper") \

IF_WASM(V, wasm_f64_nearest_int, "wasm::f64_nearest_int_wrapper") \

IF_WASM(V, wasm_f64_trunc, "wasm::f64_trunc_wrapper") \

IF_WASM(V, wasm_float32_to_int64, "wasm::float32_to_int64_wrapper") \

IF_WASM(V, wasm_float32_to_uint64, "wasm::float32_to_uint64_wrapper") \

IF_WASM(V, wasm_float32_to_int64_sat, "wasm::float32_to_int64_sat_wrapper") \

IF_WASM(V, wasm_float32_to_uint64_sat, \

"wasm::float32_to_uint64_sat_wrapper") \

IF_WASM(V, wasm_float64_pow, "wasm::float64_pow") \

IF_WASM(V, wasm_float64_to_int64, "wasm::float64_to_int64_wrapper") \

IF_WASM(V, wasm_float64_to_uint64, "wasm::float64_to_uint64_wrapper") \

IF_WASM(V, wasm_float64_to_int64_sat, "wasm::float64_to_int64_sat_wrapper") \

IF_WASM(V, wasm_float64_to_uint64_sat, \

"wasm::float64_to_uint64_sat_wrapper") \

IF_WASM(V, wasm_float16_to_float32, "wasm::float16_to_float32_wrapper") \

IF_WASM(V, wasm_float32_to_float16, "wasm::float32_to_float16_wrapper") \

IF_WASM(V, wasm_int64_div, "wasm::int64_div") \

IF_WASM(V, wasm_int64_mod, "wasm::int64_mod") \

IF_WASM(V, wasm_int64_to_float32, "wasm::int64_to_float32_wrapper") \

IF_WASM(V, wasm_int64_to_float64, "wasm::int64_to_float64_wrapper") \

IF_WASM(V, wasm_uint64_div, "wasm::uint64_div") \

IF_WASM(V, wasm_uint64_mod, "wasm::uint64_mod") \

IF_WASM(V, wasm_uint64_to_float32, "wasm::uint64_to_float32_wrapper") \

IF_WASM(V, wasm_uint64_to_float64, "wasm::uint64_to_float64_wrapper") \

IF_WASM(V, wasm_word32_ctz, "wasm::word32_ctz") \

IF_WASM(V, wasm_word32_popcnt, "wasm::word32_popcnt") \

IF_WASM(V, wasm_word32_rol, "wasm::word32_rol") \

IF_WASM(V, wasm_word32_ror, "wasm::word32_ror") \

IF_WASM(V, wasm_word64_rol, "wasm::word64_rol") \

IF_WASM(V, wasm_word64_ror, "wasm::word64_ror") \

IF_WASM(V, wasm_word64_ctz, "wasm::word64_ctz") \

IF_WASM(V, wasm_word64_popcnt, "wasm::word64_popcnt") \

IF_WASM(V, wasm_f64x2_ceil, "wasm::f64x2_ceil_wrapper") \

IF_WASM(V, wasm_f64x2_floor, "wasm::f64x2_floor_wrapper") \

IF_WASM(V, wasm_f64x2_trunc, "wasm::f64x2_trunc_wrapper") \

IF_WASM(V, wasm_f64x2_nearest_int, "wasm::f64x2_nearest_int_wrapper") \

IF_WASM(V, wasm_f32x4_ceil, "wasm::f32x4_ceil_wrapper") \

IF_WASM(V, wasm_f32x4_floor, "wasm::f32x4_floor_wrapper") \

IF_WASM(V, wasm_f32x4_trunc, "wasm::f32x4_trunc_wrapper") \

IF_WASM(V, wasm_f32x4_nearest_int, "wasm::f32x4_nearest_int_wrapper") \

IF_WASM(V, wasm_f16x8_abs, "wasm::f16x8_abs_wrapper") \

IF_WASM(V, wasm_f16x8_neg, "wasm::f16x8_neg_wrapper") \

IF_WASM(V, wasm_f16x8_sqrt, "wasm::f16x8_sqrt_wrapper") \

IF_WASM(V, wasm_f16x8_ceil, "wasm::f16x8_ceil_wrapper") \

IF_WASM(V, wasm_f16x8_floor, "wasm::f16x8_floor_wrapper") \

IF_WASM(V, wasm_f16x8_trunc, "wasm::f16x8_trunc_wrapper") \

IF_WASM(V, wasm_f16x8_nearest_int, "wasm::f16x8_nearest_int_wrapper") \

IF_WASM(V, wasm_f16x8_eq, "wasm::f16x8_eq_wrapper") \

IF_WASM(V, wasm_f16x8_ne, "wasm::f16x8_ne_wrapper") \

IF_WASM(V, wasm_f16x8_lt, "wasm::f16x8_lt_wrapper") \

IF_WASM(V, wasm_f16x8_le, "wasm::f16x8_le_wrapper") \

IF_WASM(V, wasm_f16x8_add, "wasm::f16x8_add_wrapper") \

IF_WASM(V, wasm_f16x8_sub, "wasm::f16x8_sub_wrapper") \

IF_WASM(V, wasm_f16x8_mul, "wasm::f16x8_mul_wrapper") \

IF_WASM(V, wasm_f16x8_div, "wasm::f16x8_div_wrapper") \

IF_WASM(V, wasm_f16x8_min, "wasm::f16x8_min_wrapper") \

IF_WASM(V, wasm_f16x8_max, "wasm::f16x8_max_wrapper") \

IF_WASM(V, wasm_f16x8_pmin, "wasm::f16x8_pmin_wrapper") \

IF_WASM(V, wasm_f16x8_pmax, "wasm::f16x8_pmax_wrapper") \

IF_WASM(V, wasm_i16x8_sconvert_f16x8, "wasm::i16x8_sconvert_f16x8_wrapper") \

IF_WASM(V, wasm_i16x8_uconvert_f16x8, "wasm::i16x8_uconvert_f16x8_wrapper") \

IF_WASM(V, wasm_f16x8_sconvert_i16x8, "wasm::f16x8_sconvert_i16x8_wrapper") \

IF_WASM(V, wasm_f16x8_uconvert_i16x8, "wasm::f16x8_uconvert_i16x8_wrapper") \

IF_WASM(V, wasm_f32x4_promote_low_f16x8, \

"wasm::f32x4_promote_low_f16x8_wrapper") \

IF_WASM(V, wasm_f16x8_demote_f32x4_zero, \

"wasm::f16x8_demote_f32x4_zero_wrapper") \

IF_WASM(V, wasm_f16x8_demote_f64x2_zero, \

"wasm::f16x8_demote_f64x2_zero_wrapper") \

IF_WASM(V, wasm_f16x8_qfma, "wasm::f16x8_qfma_wrapper") \

IF_WASM(V, wasm_f16x8_qfms, "wasm::f16x8_qfms_wrapper") \

IF_WASM(V, wasm_data_drop, "wasm::data_drop") \

IF_WASM(V, wasm_memory_init, "wasm::memory_init") \

IF_WASM(V, wasm_memory_copy, "wasm::memory_copy") \

IF_WASM(V, wasm_memory_fill, "wasm::memory_fill") \

IF_WASM(V, wasm_array_copy, "wasm::array_copy") \

IF_WASM(V, wasm_array_fill, "wasm::array_fill") \

IF_WASM(V, wasm_string_to_f64, "wasm_string_to_f64") \

IF_WASM(V, wasm_atomic_notify, "wasm_atomic_notify") \

IF_WASM(V, wasm_WebAssemblyCompile, "wasm::WebAssemblyCompile") \

IF_WASM(V, wasm_WebAssemblyException, "wasm::WebAssemblyException") \

IF_WASM(V, wasm_WebAssemblyExceptionGetArg, \

"wasm::WebAssemblyExceptionGetArg") \

IF_WASM(V, wasm_WebAssemblyExceptionIs, "wasm::WebAssemblyExceptionIs") \

IF_WASM(V, wasm_WebAssemblyExceptionGetStack, \

"wasm::WebAssemblyExceptionGetStack") \

IF_WASM(V, wasm_WebAssemblyGlobal, "wasm::WebAssemblyGlobal") \

IF_WASM(V, wasm_WebAssemblyGlobalGetValue, \

"wasm::WebAssemblyGlobalGetValue") \

IF_WASM(V, wasm_WebAssemblyGlobalSetValue, \

"wasm::WebAssemblyGlobalSetValue") \

IF_WASM(V, wasm_WebAssemblyGlobalValueOf, "wasm::WebAssemblyGlobalValueOf") \

IF_WASM(V, wasm_WebAssemblyInstance, "wasm::WebAssemblyInstance") \

IF_WASM(V, wasm_WebAssemblyInstanceGetExports, \

"wasm::WebAssemblyInstanceGetExports") \

IF_WASM(V, wasm_WebAssemblyInstantiate, "wasm::WebAssemblyInstantiate") \

IF_WASM(V, wasm_WebAssemblyMemory, "wasm::WebAssemblyMemory") \

IF_WASM(V, wasm_WebAssemblyMemoryMapDescriptor, \

"wasm::WebAssemblyMemoryMapDescriptor") \

IF_WASM(V, wasm_WebAssemblyMemoryGetBuffer, \

"wasm::WebAssemblyMemoryGetBuffer") \

IF_WASM(V, wasm_WebAssemblyMemoryGrow, "wasm::WebAssemblyMemoryGrow") \

IF_WASM(V, wasm_WebAssemblyMemoryMapDescriptorMap, \

"wasm::WebAssemblyMemoryMapDescriptorMap") \

IF_WASM(V, wasm_WebAssemblyMemoryMapDescriptorUnmap, \

"wasm::WebAssemblyMemoryMapDescriptorUnmap") \

IF_WASM(V, wasm_WebAssemblyMemoryToFixedLengthBuffer, \

"wasm::WebAssemblyMemoryToFixedLengthBuffer") \

IF_WASM(V, wasm_WebAssemblyMemoryToResizableBuffer, \

"wasm::WebAssemblyMemoryToResizableBuffer") \

IF_WASM(V, wasm_WebAssemblyModule, "wasm::WebAssemblyModule") \

IF_WASM(V, wasm_WebAssemblyModuleCustomSections, \

"wasm::WebAssemblyModuleCustomSections") \

IF_WASM(V, wasm_WebAssemblyModuleExports, "wasm::WebAssemblyModuleExports") \

IF_WASM(V, wasm_WebAssemblyModuleImports, "wasm::WebAssemblyModuleImports") \

IF_WASM(V, wasm_WebAssemblySuspending, "wasm::WebAssemblySuspending") \

IF_WASM(V, wasm_WebAssemblyTable, "wasm::WebAssemblyTable") \

IF_WASM(V, wasm_WebAssemblyTableGet, "wasm::WebAssemblyTableGet") \

IF_WASM(V, wasm_WebAssemblyTableGetLength, \

"wasm::WebAssemblyTableGetLength") \

IF_WASM(V, wasm_WebAssemblyTableGrow, "wasm::WebAssemblyTableGrow") \

IF_WASM(V, wasm_WebAssemblyTableSet, "wasm::WebAssemblyTableSet") \

IF_WASM(V, wasm_WebAssemblyTag, "wasm::WebAssemblyTag") \

IF_WASM(V, wasm_WebAssemblyValidate, "wasm::WebAssemblyValidate") \

V(address_of_wasm_i8x16_swizzle_mask, "wasm_i8x16_swizzle_mask") \

V(address_of_wasm_i8x16_popcnt_mask, "wasm_i8x16_popcnt_mask") \

V(address_of_wasm_i8x16_splat_0x01, "wasm_i8x16_splat_0x01") \

V(address_of_wasm_i8x16_splat_0x0f, "wasm_i8x16_splat_0x0f") \

V(address_of_wasm_i8x16_splat_0x33, "wasm_i8x16_splat_0x33") \

V(address_of_wasm_i8x16_splat_0x55, "wasm_i8x16_splat_0x55") \

V(address_of_wasm_i16x8_splat_0x0001, "wasm_16x8_splat_0x0001") \

V(address_of_wasm_f64x2_convert_low_i32x4_u_int_mask, \

"wasm_f64x2_convert_low_i32x4_u_int_mask") \

V(supports_wasm_simd_128_address, "wasm::supports_wasm_simd_128_address") \

V(address_of_wasm_double_2_power_52, "wasm_double_2_power_52") \

V(address_of_wasm_int32_max_as_double, "wasm_int32_max_as_double") \

V(address_of_wasm_uint32_max_as_double, "wasm_uint32_max_as_double") \

V(address_of_wasm_int32_overflow_as_float, "wasm_int32_overflow_as_float") \

V(address_of_wasm_i32x8_int32_overflow_as_float, \

"wasm_i32x8_int32_overflow_as_float") \

V(supports_cetss_address, "CpuFeatures::supports_cetss_address") \

V(write_barrier_marking_from_code_function, "WriteBarrier::MarkingFromCode") \

V(write_barrier_indirect_pointer_marking_from_code_function, \

"WriteBarrier::IndirectPointerMarkingFromCode") \

V(write_barrier_shared_marking_from_code_function, \

"WriteBarrier::SharedMarkingFromCode") \

V(shared_barrier_from_code_function, "WriteBarrier::SharedFromCode") \

V(call_enqueue_microtask_function, "MicrotaskQueue::CallEnqueueMicrotask") \

V(call_enter_context_function, "call_enter_context_function") \

V(int64_mul_high_function, "int64_mul_high_function") \

V(atomic_pair_load_function, "atomic_pair_load_function") \

V(atomic_pair_store_function, "atomic_pair_store_function") \

V(atomic_pair_add_function, "atomic_pair_add_function") \

V(atomic_pair_sub_function, "atomic_pair_sub_function") \

V(atomic_pair_and_function, "atomic_pair_and_function") \

V(atomic_pair_or_function, "atomic_pair_or_function") \

V(atomic_pair_xor_function, "atomic_pair_xor_function") \

V(atomic_pair_exchange_function, "atomic_pair_exchange_function") \

V(atomic_pair_compare_exchange_function, \

"atomic_pair_compare_exchange_function") \

IF_TSAN(V, tsan_relaxed_store_function_8_bits, \

"tsan_relaxed_store_function_8_bits") \

IF_TSAN(V, tsan_relaxed_store_function_16_bits, \

"tsan_relaxed_store_function_16_bits") \

IF_TSAN(V, tsan_relaxed_store_function_32_bits, \

"tsan_relaxed_store_function_32_bits") \

IF_TSAN(V, tsan_relaxed_store_function_64_bits, \

"tsan_relaxed_store_function_64_bits") \

IF_TSAN(V, tsan_seq_cst_store_function_8_bits, \

"tsan_seq_cst_store_function_8_bits") \

IF_TSAN(V, tsan_seq_cst_store_function_16_bits, \

"tsan_seq_cst_store_function_16_bits") \

IF_TSAN(V, tsan_seq_cst_store_function_32_bits, \

"tsan_seq_cst_store_function_32_bits") \

IF_TSAN(V, tsan_seq_cst_store_function_64_bits, \

"tsan_seq_cst_store_function_64_bits") \

IF_TSAN(V, tsan_relaxed_load_function_32_bits, \

"tsan_relaxed_load_function_32_bits") \

IF_TSAN(V, tsan_relaxed_load_function_64_bits, \

"tsan_relaxed_load_function_64_bits") \

V(re_case_insensitive_compare_unicode, \

"RegExpMacroAssembler::CaseInsensitiveCompareUnicode()") \

V(re_case_insensitive_compare_non_unicode, \

"RegExpMacroAssembler::CaseInsensitiveCompareNonUnicode()") \

V(re_is_character_in_range_array, \

"RegExpMacroAssembler::IsCharacterInRangeArray()") \

V(re_check_stack_guard_state, \

"RegExpMacroAssembler*::CheckStackGuardState()") \

V(re_grow_stack, "NativeRegExpMacroAssembler::GrowStack()") \

V(re_word_character_map, "RegExpMacroAssembler::word_character_map") \

V(re_match_for_call_from_js, "IrregexpInterpreter::MatchForCallFromJs") \

V(re_experimental_match_for_call_from_js, \

"ExperimentalRegExp::MatchForCallFromJs") \

V(re_atom_exec_raw, "RegExp::AtomExecRaw") \

V(allocate_regexp_result_vector, "RegExpResultVector::Allocate") \

V(free_regexp_result_vector, "RegExpResultVector::Free") \

V(typed_array_and_rab_gsab_typed_array_elements_kind_shifts, \

"TypedArrayAndRabGsabTypedArrayElementsKindShifts") \

V(typed_array_and_rab_gsab_typed_array_elements_kind_sizes, \

"TypedArrayAndRabGsabTypedArrayElementsKindSizes") \

V(allocate_buffer, "AllocateBuffer") \

EXTERNAL_REFERENCE_LIST_INTL(V) \

EXTERNAL_REFERENCE_LIST_SANDBOX(V) \

EXTERNAL_REFERENCE_LIST_CET_SHADOW_STACK(V)

#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") \

V(intl_ascii_collation_weights_l1, "Intl::AsciiCollationWeightsL1") \

V(intl_ascii_collation_weights_l3, "Intl::AsciiCollationWeightsL3")

#else

#define EXTERNAL_REFERENCE_LIST_INTL(V)

#endif // V8_INTL_SUPPORT

#ifdef V8_ENABLE_SANDBOX

#ifdef V8_COMPRESS_POINTERS_IN_MULTIPLE_CAGES

#define EXTERNAL_REFERENCE_LIST_SANDBOX(V) \

V(sandbox_base_address, "Sandbox::base()") \

V(sandbox_end_address, "Sandbox::end()") \

V(empty_backing_store_buffer, "EmptyBackingStoreBuffer()") \

V(memory_chunk_metadata_table_address, "BasePage::Table()")

#else

#define EXTERNAL_REFERENCE_LIST_SANDBOX(V) \

V(sandbox_base_address, "Sandbox::base()") \

V(sandbox_end_address, "Sandbox::end()") \

V(sandboxed_mode_pkey_mask_address, \

"SandboxHardwareSupport::sandboxed_mode_pkey_mask()") \

V(empty_backing_store_buffer, "EmptyBackingStoreBuffer()") \

V(memory_chunk_metadata_table_address, "BasePage::Table()") \

V(global_code_pointer_table_base_address, \

"IsolateGroup::current()->code_pointer_table()")

#endif // V8_COMPRESS_POINTERS_IN_MULTIPLE_CAGES

#else

#define EXTERNAL_REFERENCE_LIST_SANDBOX(V)

#endif // V8_ENABLE_SANDBOX

#define EXTERNAL_REFERENCE_LIST_LEAPTIERING(V) \

V(js_dispatch_table_address, "Isolate::Current()->js_dispatch_table()")

#ifdef V8_ENABLE_CET_SHADOW_STACK

#define EXTERNAL_REFERENCE_LIST_CET_SHADOW_STACK(V) \

V(address_of_cet_compatible_flag, "v8_flags.cet_compatible") \

V(ensure_valid_return_address, "Deoptimizer::EnsureValidReturnAddress()")

#else

#define EXTERNAL_REFERENCE_LIST_CET_SHADOW_STACK(V)

#endif // V8_ENABLE_CET_SHADOW_STACK

// 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 {

public:

// Used in the simulator to support different native api calls.

enum Type {

// Builtin call.

// Address f(v8::internal::Arguments).

BUILTIN_CALL, // default

// Builtin call returning object pair.

// ObjectPair f(v8::internal::Arguments).

BUILTIN_CALL_PAIR,

// TODO(mslekova): Once FAST_C_CALL is supported in the simulator,

// the following four specific types and their special handling

// can be removed, as the generic call supports them.

// 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,

// Builtin call that returns floating point.

// double f(Address tagged_ptr).

BUILTIN_FP_POINTER_CALL,

// Builtin call that takes a double and returns an int.

// int f(double).

BUILTIN_INT_FP_CALL,

// Direct call to API function callback.

// void f(v8::FunctionCallbackInfo&)

DIRECT_API_CALL,

// Direct call to accessor getter callback.

// void f(Local<Name>, PropertyCallbackInfo&)

// v8::Intercepted f(Local<Name>, PropertyCallbackInfo&)

DIRECT_GETTER_CALL,

// Direct call to accessor setter callback.

// void f(Local<Name>, Local<Value>, PropertyCallbackInfo&)

// v8::Intercepted f(Local<Name>, Local<Value>, PropertyCallbackInfo&)

DIRECT_SETTER_CALL,

// C call, either representing a fast API call or used in tests.

// Can have arbitrary signature from the types supported by the fast API.

FAST_C_CALL

};

#define COUNT_EXTERNAL_REFERENCE(name, desc) +1

static constexpr int kExternalReferenceCountIsolateIndependent =

EXTERNAL_REFERENCE_LIST(COUNT_EXTERNAL_REFERENCE);

static constexpr int kExternalReferenceCountIsolateDependent =

EXTERNAL_REFERENCE_LIST_WITH_ISOLATE(COUNT_EXTERNAL_REFERENCE);

#undef COUNT_EXTERNAL_REFERENCE

static V8_EXPORT_PRIVATE ExternalReference

address_of_pending_message(LocalIsolate* local_isolate);

ExternalReference() : raw_(kNullAddress) {}

static ExternalReference Create(const SCTableReference& table_ref);

static ExternalReference Create(StatsCounter* counter);

static V8_EXPORT_PRIVATE ExternalReference Create(ApiFunction* ptr,

Type type);

// The following version is used by JSCallReducer in the compiler

// to create a reference for a fast API call, with one or more

// overloads. In simulator builds, it additionally "registers"

// the overloads with the simulator to ensure it maintains a

// mapping of callable Address'es to a function signature, encoding

// GP and FP arguments.

static V8_EXPORT_PRIVATE ExternalReference

Create(Isolate* isolate, ApiFunction* ptr, Type type, Address* c_functions,

const CFunctionInfo* const* c_signatures, unsigned num_functions);

static ExternalReference Create(const Runtime::Function* f);

static V8_EXPORT_PRIVATE ExternalReference Create(Runtime::FunctionId id);

static ExternalReference Create(IsolateFieldId id, Isolate* isolate);

static ExternalReference Create(IsolateFieldId id) {

return ExternalReference{id};

}

static V8_EXPORT_PRIVATE ExternalReference

Create(Address address, Type type = ExternalReference::BUILTIN_CALL);

template <typename SubjectChar, typename PatternChar>

static ExternalReference search_string_raw();

V8_EXPORT_PRIVATE static ExternalReference FromRawAddress(Address address) {

// Use unchecked constructor.

return ExternalReference{address, nullptr};

}

#define DECL_EXTERNAL_REFERENCE(name, desc) \

V8_EXPORT_PRIVATE static ExternalReference name();

EXTERNAL_REFERENCE_LIST(DECL_EXTERNAL_REFERENCE)

#undef DECL_EXTERNAL_REFERENCE

#define DECL_EXTERNAL_REFERENCE(name, desc) \

static V8_EXPORT_PRIVATE ExternalReference name(Isolate* isolate);

EXTERNAL_REFERENCE_LIST_WITH_ISOLATE(DECL_EXTERNAL_REFERENCE)

#undef DECL_EXTERNAL_REFERENCE

V8_EXPORT_PRIVATE static ExternalReference isolate_address();

V8_EXPORT_PRIVATE static ExternalReference

address_of_code_pointer_table_base_address();

V8_EXPORT_PRIVATE V8_NOINLINE static ExternalReference

runtime_function_table_address_for_unittests(Isolate* isolate);

static V8_EXPORT_PRIVATE ExternalReference

address_of_load_from_stack_count(const char* function_name);

static V8_EXPORT_PRIVATE ExternalReference

address_of_store_to_stack_count(const char* function_name);

static ExternalReference invoke_function_callback(CallApiCallbackMode mode);

bool IsIsolateFieldId() const { return IsIsolateFieldId(raw_); }

IsolateFieldId GetIsolateFieldId() const {

DCHECK(IsIsolateFieldId());

IsolateFieldId field_id =

static_cast<IsolateFieldId>(raw_ - kFirstIsolateFieldIdValue);

return field_id;

}

Address raw() const { return raw_; }

// Returns the raw value of the ExternalReference as an address. Can only be

// used when the ExternalReference stores an absolute address and not an

// IsolateFieldId.

V8_EXPORT_PRIVATE Address address() const;

int32_t offset_from_root_register() const;

// Creates a redirection trampoline for given C function and signature for

// simulated builds.

// Returns the same address otherwise.

static Address Redirect(Address external_function,

Type type = ExternalReference::BUILTIN_CALL);

// Returns C function associated with given redirection trampoline for

// simulated builds.

// Returns the same address otherwise.

static Address UnwrapRedirection(Address redirection_trampoline);

private:

// IsolateFieldId's are encoded as `id + kFirstIsolateFieldIdValue` in order

// to avoid clash between first IsolateFieldId and kNullAddress.

static constexpr Address kFirstIsolateFieldIdValue = 1;

static constexpr bool IsIsolateFieldId(Address value) {

return (value >= kFirstIsolateFieldIdValue &&

value < (kFirstIsolateFieldIdValue + kNumIsolateFieldIds));

}

explicit ExternalReference(Address address) : raw_(address) {

CHECK(!IsIsolateFieldId());

}

explicit ExternalReference(void* address)

: raw_(reinterpret_cast<Address>(address)) {

CHECK(!IsIsolateFieldId());

}

// This is an unchecked constructor, used only in FromRawAddress.

explicit ExternalReference(Address address, std::nullptr_t) : raw_(address) {}

explicit ExternalReference(IsolateFieldId id)

: raw_(static_cast<Address>(id) + kFirstIsolateFieldIdValue) {}

Address raw_;

};

ASSERT_TRIVIALLY_COPYABLE(ExternalReference);

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);

void abort_with_reason(int reason);

void abort_with_sandbox_violation();

} // namespace internal

} // namespace v8

#endif // V8_CODEGEN_EXTERNAL_REFERENCE_H_