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v8/src/heap-symbols.h
Matheus Marchini ada64b58bf interpreter: make interpreted frames distinguishable in the native stack 
Before Turbofan/Ignition it was possible to use external profilers to
sample running V8/Node.js processes and generate reports/FlameGraphs
from that. It's still possible to do so, but non-optimized JavaScript
functions appear in the stack as InterpreterEntryTrampoline. This commit
adds a runtime flag which makes interpreted frames visible on the
process' native stack as distinguishable functions, making the sampled
data gathered by external profilers such as Linux perf and DTrace more
useful.

R=bmeurer@google.com, franzih@google.com, jarin@google.com, yangguo@google.com

Bug: v8:7155
Change-Id: I3dc8876aa3cd9f1b9766624842a7cc354ccca415
Reviewed-on: https://chromium-review.googlesource.com/959081
Commit-Queue: Yang Guo <yangguo@chromium.org>
Reviewed-by: Leszek Swirski <leszeks@chromium.org>
Reviewed-by: Yang Guo <yangguo@chromium.org>
Cr-Commit-Position: refs/heads/master@{#52533}
2018-04-10 19:33:55 +00:00

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// Copyright 2015 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_HEAP_SYMBOLS_H_
#define V8_HEAP_SYMBOLS_H_
#define INTERNALIZED_STRING_LIST(V) \
V(add_string, "add") \
V(anonymous_function_string, "(anonymous function)") \
V(anonymous_string, "anonymous") \
V(apply_string, "apply") \
V(Arguments_string, "Arguments") \
V(arguments_string, "arguments") \
V(arguments_to_string, "[object Arguments]") \
V(Array_string, "Array") \
V(array_to_string, "[object Array]") \
V(ArrayBuffer_string, "ArrayBuffer") \
V(ArrayIterator_string, "Array Iterator") \
V(assign_string, "assign") \
V(async_string, "async") \
V(await_string, "await") \
V(BigInt_string, "BigInt") \
V(bigint_string, "bigint") \
V(BigInt64Array_string, "BigInt64Array") \
V(BigUint64Array_string, "BigUint64Array") \
V(bind_string, "bind") \
V(Boolean_string, "Boolean") \
V(boolean_string, "boolean") \
V(boolean_to_string, "[object Boolean]") \
V(bound__string, "bound ") \
V(buffer_string, "buffer") \
V(byte_length_string, "byteLength") \
V(byte_offset_string, "byteOffset") \
V(call_string, "call") \
V(callee_string, "callee") \
V(caller_string, "caller") \
V(cell_value_string, "%cell_value") \
V(char_at_string, "CharAt") \
V(closure_string, "(closure)") \
V(column_string, "column") \
V(CompileError_string, "CompileError") \
V(configurable_string, "configurable") \
V(construct_string, "construct") \
V(constructor_string, "constructor") \
V(create_string, "create") \
V(currency_string, "currency") \
V(Date_string, "Date") \
V(date_to_string, "[object Date]") \
V(day_string, "day") \
V(dayperiod_string, "dayperiod") \
V(decimal_string, "decimal") \
V(default_string, "default") \
V(defineProperty_string, "defineProperty") \
V(deleteProperty_string, "deleteProperty") \
V(did_handle_string, "didHandle") \
V(display_name_string, "displayName") \
V(done_string, "done") \
V(dot_catch_string, ".catch") \
V(dot_for_string, ".for") \
V(dot_generator_object_string, ".generator_object") \
V(dot_iterator_string, ".iterator") \
V(dot_result_string, ".result") \
V(dot_string, ".") \
V(dot_switch_tag_string, ".switch_tag") \
V(dotAll_string, "dotAll") \
V(enqueue_string, "enqueue") \
V(entries_string, "entries") \
V(enumerable_string, "enumerable") \
V(era_string, "era") \
V(Error_string, "Error") \
V(error_to_string, "[object Error]") \
V(eval_string, "eval") \
V(EvalError_string, "EvalError") \
V(exec_string, "exec") \
V(false_string, "false") \
V(flags_string, "flags") \
V(Float32Array_string, "Float32Array") \
V(Float64Array_string, "Float64Array") \
V(fraction_string, "fraction") \
V(Function_string, "Function") \
V(function_native_code_string, "function () { [native code] }") \
V(function_string, "function") \
V(function_to_string, "[object Function]") \
V(Generator_string, "Generator") \
V(get_space_string, "get ") \
V(get_string, "get") \
V(getOwnPropertyDescriptor_string, "getOwnPropertyDescriptor") \
V(getOwnPropertyDescriptors_string, "getOwnPropertyDescriptors") \
V(getPrototypeOf_string, "getPrototypeOf") \
V(global_string, "global") \
V(group_string, "group") \
V(groups_string, "groups") \
V(has_string, "has") \
V(hour_string, "hour") \
V(ignoreCase_string, "ignoreCase") \
V(illegal_access_string, "illegal access") \
V(illegal_argument_string, "illegal argument") \
V(index_string, "index") \
V(Infinity_string, "Infinity") \
V(infinity_string, "infinity") \
V(input_string, "input") \
V(Int16Array_string, "Int16Array") \
V(Int32Array_string, "Int32Array") \
V(Int8Array_string, "Int8Array") \
V(integer_string, "integer") \
V(isExtensible_string, "isExtensible") \
V(isView_string, "isView") \
V(KeyedLoadMonomorphic_string, "KeyedLoadMonomorphic") \
V(KeyedStoreMonomorphic_string, "KeyedStoreMonomorphic") \
V(keys_string, "keys") \
V(lastIndex_string, "lastIndex") \
V(length_string, "length") \
V(let_string, "let") \
V(line_string, "line") \
V(LinkError_string, "LinkError") \
V(literal_string, "literal") \
V(Map_string, "Map") \
V(MapIterator_string, "Map Iterator") \
V(message_string, "message") \
V(minus_Infinity_string, "-Infinity") \
V(minus_zero_string, "-0") \
V(minusSign_string, "minusSign") \
V(minute_string, "minute") \
V(Module_string, "Module") \
V(month_string, "month") \
V(multiline_string, "multiline") \
V(name_string, "name") \
V(NaN_string, "NaN") \
V(nan_string, "nan") \
V(native_string, "native") \
V(new_target_string, ".new.target") \
V(next_string, "next") \
V(NFC_string, "NFC") \
V(NFD_string, "NFD") \
V(NFKC_string, "NFKC") \
V(NFKD_string, "NFKD") \
V(not_equal, "not-equal") \
V(null_string, "null") \
V(null_to_string, "[object Null]") \
V(Number_string, "Number") \
V(number_string, "number") \
V(number_to_string, "[object Number]") \
V(Object_string, "Object") \
V(object_string, "object") \
V(object_to_string, "[object Object]") \
V(ok, "ok") \
V(one_string, "1") \
V(ownKeys_string, "ownKeys") \
V(percentSign_string, "percentSign") \
V(plusSign_string, "plusSign") \
V(position_string, "position") \
V(preventExtensions_string, "preventExtensions") \
V(Promise_string, "Promise") \
V(promise_string, "promise") \
V(PromiseResolveThenableJob_string, "PromiseResolveThenableJob") \
V(proto_string, "__proto__") \
V(prototype_string, "prototype") \
V(proxy_string, "proxy") \
V(Proxy_string, "Proxy") \
V(query_colon_string, "(?:)") \
V(RangeError_string, "RangeError") \
V(raw_string, "raw") \
V(ReconfigureToDataProperty_string, "ReconfigureToDataProperty") \
V(ReferenceError_string, "ReferenceError") \
V(RegExp_string, "RegExp") \
V(regexp_to_string, "[object RegExp]") \
V(reject_string, "reject") \
V(resolve_string, "resolve") \
V(return_string, "return") \
V(revoke_string, "revoke") \
V(RuntimeError_string, "RuntimeError") \
V(Script_string, "Script") \
V(script_string, "script") \
V(second_string, "second") \
V(set_space_string, "set ") \
V(Set_string, "Set") \
V(set_string, "set") \
V(SetIterator_string, "Set Iterator") \
V(setPrototypeOf_string, "setPrototypeOf") \
V(SharedArrayBuffer_string, "SharedArrayBuffer") \
V(source_string, "source") \
V(sourceText_string, "sourceText") \
V(stack_string, "stack") \
V(stackTraceLimit_string, "stackTraceLimit") \
V(star_default_star_string, "*default*") \
V(sticky_string, "sticky") \
V(String_string, "String") \
V(string_string, "string") \
V(string_to_string, "[object String]") \
V(symbol_species_string, "[Symbol.species]") \
V(Symbol_string, "Symbol") \
V(symbol_string, "symbol") \
V(SyntaxError_string, "SyntaxError") \
V(then_string, "then") \
V(this_function_string, ".this_function") \
V(this_string, "this") \
V(throw_string, "throw") \
V(timed_out, "timed-out") \
V(timeZoneName_string, "timeZoneName") \
V(toJSON_string, "toJSON") \
V(toString_string, "toString") \
V(true_string, "true") \
V(TypeError_string, "TypeError") \
V(type_string, "type") \
V(Uint16Array_string, "Uint16Array") \
V(Uint32Array_string, "Uint32Array") \
V(Uint8Array_string, "Uint8Array") \
V(Uint8ClampedArray_string, "Uint8ClampedArray") \
V(undefined_string, "undefined") \
V(undefined_to_string, "[object Undefined]") \
V(unicode_string, "unicode") \
V(URIError_string, "URIError") \
V(use_asm_string, "use asm") \
V(use_strict_string, "use strict") \
V(value_string, "value") \
V(valueOf_string, "valueOf") \
V(values_string, "values") \
V(WeakMap_string, "WeakMap") \
V(WeakSet_string, "WeakSet") \
V(weekday_string, "weekday") \
V(will_handle_string, "willHandle") \
V(writable_string, "writable") \
V(year_string, "year") \
V(zero_string, "0")
#define PRIVATE_SYMBOL_LIST(V) \
V(call_site_frame_array_symbol) \
V(call_site_frame_index_symbol) \
V(console_context_id_symbol) \
V(console_context_name_symbol) \
V(class_fields_symbol) \
V(class_positions_symbol) \
V(detailed_stack_trace_symbol) \
V(elements_transition_symbol) \
V(error_end_pos_symbol) \
V(error_script_symbol) \
V(error_start_pos_symbol) \
V(frozen_symbol) \
V(generator_outer_promise_symbol) \
V(generic_symbol) \
V(home_object_symbol) \
V(intl_initialized_marker_symbol) \
V(intl_pattern_symbol) \
V(intl_resolved_symbol) \
V(interpreter_trampoline_symbol) \
V(megamorphic_symbol) \
V(native_context_index_symbol) \
V(nonextensible_symbol) \
V(not_mapped_symbol) \
V(premonomorphic_symbol) \
V(promise_async_stack_id_symbol) \
V(promise_debug_marker_symbol) \
V(promise_forwarding_handler_symbol) \
V(promise_handled_by_symbol) \
V(promise_async_id_symbol) \
V(sealed_symbol) \
V(stack_trace_symbol) \
V(strict_function_transition_symbol) \
V(wasm_function_index_symbol) \
V(wasm_instance_symbol) \
V(uninitialized_symbol)
#define PUBLIC_SYMBOL_LIST(V) \
V(async_iterator_symbol, Symbol.asyncIterator) \
V(iterator_symbol, Symbol.iterator) \
V(intl_fallback_symbol, IntlFallback) \
V(match_all_symbol, Symbol.matchAll) \
V(match_symbol, Symbol.match) \
V(replace_symbol, Symbol.replace) \
V(search_symbol, Symbol.search) \
V(species_symbol, Symbol.species) \
V(split_symbol, Symbol.split) \
V(to_primitive_symbol, Symbol.toPrimitive) \
V(unscopables_symbol, Symbol.unscopables)
// Well-Known Symbols are "Public" symbols, which have a bit set which causes
// them to produce an undefined value when a load results in a failed access
// check. Because this behaviour is not specified properly as of yet, it only
// applies to a subset of spec-defined Well-Known Symbols.
#define WELL_KNOWN_SYMBOL_LIST(V) \
V(has_instance_symbol, Symbol.hasInstance) \
V(is_concat_spreadable_symbol, Symbol.isConcatSpreadable) \
V(to_string_tag_symbol, Symbol.toStringTag)
#define INCREMENTAL_SCOPES(F) \
/* MC_INCREMENTAL is the top-level incremental marking scope. */ \
F(MC_INCREMENTAL) \
F(MC_INCREMENTAL_START) \
F(MC_INCREMENTAL_SWEEPING) \
F(MC_INCREMENTAL_WRAPPER_PROLOGUE) \
F(MC_INCREMENTAL_WRAPPER_TRACING) \
F(MC_INCREMENTAL_FINALIZE) \
F(MC_INCREMENTAL_FINALIZE_BODY) \
F(MC_INCREMENTAL_EXTERNAL_EPILOGUE) \
F(MC_INCREMENTAL_EXTERNAL_PROLOGUE)
#define TRACER_SCOPES(F) \
INCREMENTAL_SCOPES(F) \
F(HEAP_EPILOGUE) \
F(HEAP_EPILOGUE_REDUCE_NEW_SPACE) \
F(HEAP_EXTERNAL_EPILOGUE) \
F(HEAP_EXTERNAL_PROLOGUE) \
F(HEAP_EXTERNAL_WEAK_GLOBAL_HANDLES) \
F(HEAP_PROLOGUE) \
F(MC_CLEAR) \
F(MC_CLEAR_DEPENDENT_CODE) \
F(MC_CLEAR_MAPS) \
F(MC_CLEAR_SLOTS_BUFFER) \
F(MC_CLEAR_STORE_BUFFER) \
F(MC_CLEAR_STRING_TABLE) \
F(MC_CLEAR_WEAK_CELLS) \
F(MC_CLEAR_WEAK_COLLECTIONS) \
F(MC_CLEAR_WEAK_LISTS) \
F(MC_CLEAR_WEAK_REFERENCES) \
F(MC_EPILOGUE) \
F(MC_EVACUATE) \
F(MC_EVACUATE_CANDIDATES) \
F(MC_EVACUATE_CLEAN_UP) \
F(MC_EVACUATE_COPY) \
F(MC_EVACUATE_EPILOGUE) \
F(MC_EVACUATE_PROLOGUE) \
F(MC_EVACUATE_REBALANCE) \
F(MC_EVACUATE_UPDATE_POINTERS) \
F(MC_EVACUATE_UPDATE_POINTERS_SLOTS_MAIN) \
F(MC_EVACUATE_UPDATE_POINTERS_SLOTS_MAP_SPACE) \
F(MC_EVACUATE_UPDATE_POINTERS_TO_NEW_ROOTS) \
F(MC_EVACUATE_UPDATE_POINTERS_WEAK) \
F(MC_FINISH) \
F(MC_MARK) \
F(MC_MARK_FINISH_INCREMENTAL) \
F(MC_MARK_MAIN) \
F(MC_MARK_ROOTS) \
F(MC_MARK_WEAK_CLOSURE) \
F(MC_MARK_WEAK_CLOSURE_EPHEMERAL) \
F(MC_MARK_WEAK_CLOSURE_WEAK_HANDLES) \
F(MC_MARK_WEAK_CLOSURE_WEAK_ROOTS) \
F(MC_MARK_WEAK_CLOSURE_HARMONY) \
F(MC_MARK_WRAPPER_EPILOGUE) \
F(MC_MARK_WRAPPER_PROLOGUE) \
F(MC_MARK_WRAPPER_TRACING) \
F(MC_PROLOGUE) \
F(MC_SWEEP) \
F(MC_SWEEP_CODE) \
F(MC_SWEEP_MAP) \
F(MC_SWEEP_OLD) \
F(MINOR_MC) \
F(MINOR_MC_CLEAR) \
F(MINOR_MC_CLEAR_STRING_TABLE) \
F(MINOR_MC_CLEAR_WEAK_LISTS) \
F(MINOR_MC_EVACUATE) \
F(MINOR_MC_EVACUATE_CLEAN_UP) \
F(MINOR_MC_EVACUATE_COPY) \
F(MINOR_MC_EVACUATE_EPILOGUE) \
F(MINOR_MC_EVACUATE_PROLOGUE) \
F(MINOR_MC_EVACUATE_REBALANCE) \
F(MINOR_MC_EVACUATE_UPDATE_POINTERS) \
F(MINOR_MC_EVACUATE_UPDATE_POINTERS_SLOTS) \
F(MINOR_MC_EVACUATE_UPDATE_POINTERS_TO_NEW_ROOTS) \
F(MINOR_MC_EVACUATE_UPDATE_POINTERS_WEAK) \
F(MINOR_MC_MARK) \
F(MINOR_MC_MARK_GLOBAL_HANDLES) \
F(MINOR_MC_MARK_SEED) \
F(MINOR_MC_MARK_ROOTS) \
F(MINOR_MC_MARK_WEAK) \
F(MINOR_MC_MARKING_DEQUE) \
F(MINOR_MC_RESET_LIVENESS) \
F(MINOR_MC_SWEEPING) \
F(SCAVENGER_FAST_PROMOTE) \
F(SCAVENGER_SCAVENGE) \
F(SCAVENGER_PROCESS_ARRAY_BUFFERS) \
F(SCAVENGER_SCAVENGE_WEAK_GLOBAL_HANDLES_IDENTIFY) \
F(SCAVENGER_SCAVENGE_WEAK_GLOBAL_HANDLES_PROCESS) \
F(SCAVENGER_SCAVENGE_PARALLEL) \
F(SCAVENGER_SCAVENGE_ROOTS) \
F(SCAVENGER_SCAVENGE_WEAK)
#define TRACER_BACKGROUND_SCOPES(F) \
F(BACKGROUND_ARRAY_BUFFER_FREE) \
F(BACKGROUND_STORE_BUFFER) \
F(BACKGROUND_UNMAPPER) \
F(MC_BACKGROUND_EVACUATE_COPY) \
F(MC_BACKGROUND_EVACUATE_UPDATE_POINTERS) \
F(MC_BACKGROUND_MARKING) \
F(MC_BACKGROUND_SWEEPING) \
F(MINOR_MC_BACKGROUND_EVACUATE_COPY) \
F(MINOR_MC_BACKGROUND_EVACUATE_UPDATE_POINTERS) \
F(MINOR_MC_BACKGROUND_MARKING) \
F(SCAVENGER_BACKGROUND_SCAVENGE_PARALLEL)
#endif // V8_HEAP_SYMBOLS_H_
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