v8  3.11.10(node0.8.26)
V8 is Google's open source JavaScript engine
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objects.h File Reference
#include "allocation.h"
#include "builtins.h"
#include "elements-kind.h"
#include "list.h"
#include "property-details.h"
#include "smart-array-pointer.h"
#include "unicode-inl.h"
#include "v8checks.h"
#include "zone.h"
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Data Structures

struct  ValueInfo
 
class  BASE_EMBEDDED< Visitor >
 
class  Object
 
class  Smi
 
class  Failure
 
class  BASE_EMBEDDED< Visitor >
 
class  HeapObject
 
class  FixedBodyDescriptor< start_offset, end_offset, size >
 
class  FlexibleBodyDescriptor< start_offset >
 
class  HeapNumber
 
class  JSReceiver
 
class  JSObject
 
class  JSObject::BodyDescriptor
 
class  FixedArrayBase
 
class  FixedArray
 
class  FixedArray::BodyDescriptor
 
class  FixedDoubleArray
 
class  DescriptorArray
 
class  DescriptorArray::WhitenessWitness
 
class  BaseShape< Key >
 
class  HashTable< Shape, Key >
 
class  HashTableKey
 
class  SymbolTableShape
 
class  SymbolTable
 
class  MapCacheShape
 
class  MapCache
 
class  Dictionary< Shape, Key >
 
class  StringDictionaryShape
 
class  StringDictionary
 
class  NumberDictionaryShape
 
class  SeededNumberDictionaryShape
 
class  UnseededNumberDictionaryShape
 
class  SeededNumberDictionary
 
class  UnseededNumberDictionary
 
class  ObjectHashTableShape< entrysize >
 
class  ObjectHashSet
 
class  ObjectHashTable
 
class  JSFunctionResultCache
 
class  ScopeInfo
 
class  NormalizedMapCache
 
class  ByteArray
 
class  FreeSpace
 
class  ExternalArray
 
class  ExternalPixelArray
 
class  ExternalByteArray
 
class  ExternalUnsignedByteArray
 
class  ExternalShortArray
 
class  ExternalUnsignedShortArray
 
class  ExternalIntArray
 
class  ExternalUnsignedIntArray
 
class  ExternalFloatArray
 
class  ExternalDoubleArray
 
class  DeoptimizationInputData
 
class  DeoptimizationOutputData
 
class  TypeFeedbackCells
 
class  Code
 
class  Code::ExtraICStateStrictMode
 
class  Code::ExtraICStateKeyedAccessGrowMode
 
class  Code::FullCodeFlagsHasDeoptimizationSupportField
 
class  Code::FullCodeFlagsHasDebugBreakSlotsField
 
class  Code::FullCodeFlagsIsCompiledOptimizable
 
class  Code::ICStateField
 
class  Code::TypeField
 
class  Code::CacheHolderField
 
class  Code::KindField
 
class  Code::ExtraICStateField
 
class  Code::IsPregeneratedField
 
class  Map
 
class  Struct
 
class  Script
 
class  SharedFunctionInfo
 
class  SharedFunctionInfo::DeoptCountBits
 
class  SharedFunctionInfo::OptReenableTriesBits
 
class  SharedFunctionInfo::ICAgeBits
 
class  JSModule
 
class  JSFunction
 
class  JSGlobalProxy
 
class  GlobalObject
 
class  JSGlobalObject
 
class  JSBuiltinsObject
 
class  JSValue
 
class  JSDate
 
class  JSMessageObject
 
class  JSRegExp
 
class  JSRegExp::Flags
 
class  CompilationCacheShape
 
class  CompilationCacheTable
 
class  CodeCache
 
class  CodeCacheHashTableShape
 
class  CodeCacheHashTable
 
class  PolymorphicCodeCache
 
class  PolymorphicCodeCacheHashTable
 
class  TypeFeedbackInfo
 
class  AliasedArgumentsEntry
 
class  StringHasher
 
class  BASE_EMBEDDED< Visitor >
 
class  String
 
class  String::FlatContent
 
class  String::ReadBlockBuffer
 
class  SeqString
 
class  SeqAsciiString
 
class  SeqTwoByteString
 
class  ConsString
 
class  SlicedString
 
class  ExternalString
 
class  ExternalAsciiString
 
class  ExternalTwoByteString
 
class  BASE_EMBEDDED< Visitor >
 
class  FlatStringReader
 
class  StringInputBuffer
 
class  SafeStringInputBuffer
 
class  VectorIterator< T >
 
class  Oddball
 
class  JSGlobalPropertyCell
 
class  JSProxy
 
class  JSFunctionProxy
 
class  JSSet
 
class  JSMap
 
class  JSWeakMap
 
class  Foreign
 
class  JSArray
 
class  JSRegExpResult
 
class  AccessorInfo
 
class  AccessorPair
 
class  AccessCheckInfo
 
class  InterceptorInfo
 
class  CallHandlerInfo
 
class  TemplateInfo
 
class  FunctionTemplateInfo
 
class  ObjectTemplateInfo
 
class  SignatureInfo
 
class  TypeSwitchInfo
 
class  VisitorSynchronization
 
class  BASE_EMBEDDED< Visitor >
 
class  StructBodyDescriptor
 
class  BooleanBit
 

Namespaces

 v8
 
 v8::internal
 

Macros

#define INSTANCE_TYPE_LIST_ALL(V)
 
#define INSTANCE_TYPE_LIST_DEBUGGER(V)
 
#define INSTANCE_TYPE_LIST(V)
 
#define STRING_TYPE_LIST(V)
 
#define STRUCT_LIST_ALL(V)
 
#define STRUCT_LIST_DEBUGGER(V)
 
#define STRUCT_LIST(V)
 
#define DECL_BOOLEAN_ACCESSORS(name)
 
#define DECL_ACCESSORS(name, type)
 
#define OBJECT_TYPE_LIST(V)
 
#define HEAP_OBJECT_TYPE_LIST(V)
 
#define IS_TYPE_FUNCTION_DECL(type_)   inline bool Is##type_();
 
#define DECLARE_STRUCT_PREDICATE(NAME, Name, name)   inline bool Is##Name();
 
#define SLOT_ADDR(obj, offset)   reinterpret_cast<Object**>((obj)->address() + offset)
 
#define FOR_EACH_NUMERIC_FIELD(V)
 
#define FIELD_ACCESSORS(name)
 
#define DECL_INDEX(name)   k##name,
 
#define DEFINE_ELEMENT_ACCESSORS(name, type)
 
#define DEFINE_ENTRY_ACCESSORS(name, type)
 
#define FUNCTIONS_WITH_ID_LIST(V)
 
#define DECLARE_FUNCTION_ID(ignored1, ignore2, name)   k##name,
 
#define VISITOR_SYNCHRONIZATION_TAGS_LIST(V)
 
#define DECLARE_ENUM(enum_item, ignore1, ignore2)   enum_item,
 

Enumerations

enum  CompareMapMode { REQUIRE_EXACT_MAP, ALLOW_ELEMENT_TRANSITION_MAPS }
 
enum  KeyedAccessGrowMode { DO_NOT_ALLOW_JSARRAY_GROWTH, ALLOW_JSARRAY_GROWTH }
 
enum  WriteBarrierMode { SKIP_WRITE_BARRIER, UPDATE_WRITE_BARRIER }
 
enum  PropertyNormalizationMode { CLEAR_INOBJECT_PROPERTIES, KEEP_INOBJECT_PROPERTIES }
 
enum  NormalizedMapSharingMode { UNIQUE_NORMALIZED_MAP, SHARED_NORMALIZED_MAP }
 
enum  CreationFlag { ALLOW_CREATION, OMIT_CREATION }
 
enum  SearchMode { EXPECT_SORTED, EXPECT_UNSORTED }
 
enum  StringRepresentationTag { kSeqStringTag = 0x0, kConsStringTag = 0x1, kExternalStringTag = 0x2, kSlicedStringTag = 0x3 }
 
enum  InstanceType {
  SYMBOL_TYPE = kTwoByteStringTag | kSymbolTag | kSeqStringTag, ASCII_SYMBOL_TYPE = kAsciiStringTag | kSymbolTag | kSeqStringTag, CONS_SYMBOL_TYPE = kTwoByteStringTag | kSymbolTag | kConsStringTag, CONS_ASCII_SYMBOL_TYPE = kAsciiStringTag | kSymbolTag | kConsStringTag,
  SHORT_EXTERNAL_SYMBOL_TYPE, SHORT_EXTERNAL_SYMBOL_WITH_ASCII_DATA_TYPE, SHORT_EXTERNAL_ASCII_SYMBOL_TYPE, EXTERNAL_SYMBOL_TYPE = kTwoByteStringTag | kSymbolTag | kExternalStringTag,
  EXTERNAL_SYMBOL_WITH_ASCII_DATA_TYPE, EXTERNAL_ASCII_SYMBOL_TYPE, STRING_TYPE = kTwoByteStringTag | kSeqStringTag, ASCII_STRING_TYPE = kAsciiStringTag | kSeqStringTag,
  CONS_STRING_TYPE = kTwoByteStringTag | kConsStringTag, CONS_ASCII_STRING_TYPE = kAsciiStringTag | kConsStringTag, SLICED_STRING_TYPE = kTwoByteStringTag | kSlicedStringTag, SLICED_ASCII_STRING_TYPE = kAsciiStringTag | kSlicedStringTag,
  SHORT_EXTERNAL_STRING_TYPE, SHORT_EXTERNAL_STRING_WITH_ASCII_DATA_TYPE, SHORT_EXTERNAL_ASCII_STRING_TYPE, EXTERNAL_STRING_TYPE = kTwoByteStringTag | kExternalStringTag,
  EXTERNAL_STRING_WITH_ASCII_DATA_TYPE, EXTERNAL_ASCII_STRING_TYPE = kAsciiStringTag | kExternalStringTag, PRIVATE_EXTERNAL_ASCII_STRING_TYPE = EXTERNAL_ASCII_STRING_TYPE, MAP_TYPE = kNotStringTag,
  CODE_TYPE, ODDBALL_TYPE, JS_GLOBAL_PROPERTY_CELL_TYPE, HEAP_NUMBER_TYPE,
  FOREIGN_TYPE, BYTE_ARRAY_TYPE, FREE_SPACE_TYPE, EXTERNAL_BYTE_ARRAY_TYPE,
  EXTERNAL_UNSIGNED_BYTE_ARRAY_TYPE, EXTERNAL_SHORT_ARRAY_TYPE, EXTERNAL_UNSIGNED_SHORT_ARRAY_TYPE, EXTERNAL_INT_ARRAY_TYPE,
  EXTERNAL_UNSIGNED_INT_ARRAY_TYPE, EXTERNAL_FLOAT_ARRAY_TYPE, EXTERNAL_DOUBLE_ARRAY_TYPE, EXTERNAL_PIXEL_ARRAY_TYPE,
  FIXED_DOUBLE_ARRAY_TYPE, FILLER_TYPE, ACCESSOR_INFO_TYPE, ACCESSOR_PAIR_TYPE,
  ACCESS_CHECK_INFO_TYPE, INTERCEPTOR_INFO_TYPE, CALL_HANDLER_INFO_TYPE, FUNCTION_TEMPLATE_INFO_TYPE,
  OBJECT_TEMPLATE_INFO_TYPE, SIGNATURE_INFO_TYPE, TYPE_SWITCH_INFO_TYPE, SCRIPT_TYPE,
  CODE_CACHE_TYPE, POLYMORPHIC_CODE_CACHE_TYPE, TYPE_FEEDBACK_INFO_TYPE, ALIASED_ARGUMENTS_ENTRY_TYPE,
  DEBUG_INFO_TYPE, BREAK_POINT_INFO_TYPE, FIXED_ARRAY_TYPE, SHARED_FUNCTION_INFO_TYPE,
  JS_MESSAGE_OBJECT_TYPE, JS_FUNCTION_PROXY_TYPE, JS_PROXY_TYPE, JS_VALUE_TYPE,
  JS_DATE_TYPE, JS_OBJECT_TYPE, JS_CONTEXT_EXTENSION_OBJECT_TYPE, JS_MODULE_TYPE,
  JS_GLOBAL_OBJECT_TYPE, JS_BUILTINS_OBJECT_TYPE, JS_GLOBAL_PROXY_TYPE, JS_ARRAY_TYPE,
  JS_SET_TYPE, JS_MAP_TYPE, JS_WEAK_MAP_TYPE, JS_REGEXP_TYPE,
  JS_FUNCTION_TYPE, FIRST_TYPE = 0x0, LAST_TYPE = JS_FUNCTION_TYPE, INVALID_TYPE = FIRST_TYPE - 1,
  FIRST_NONSTRING_TYPE = MAP_TYPE, FIRST_EXTERNAL_ARRAY_TYPE = EXTERNAL_BYTE_ARRAY_TYPE, LAST_EXTERNAL_ARRAY_TYPE = EXTERNAL_PIXEL_ARRAY_TYPE, LAST_DATA_TYPE = FILLER_TYPE,
  FIRST_JS_RECEIVER_TYPE = JS_FUNCTION_PROXY_TYPE, LAST_JS_RECEIVER_TYPE = LAST_TYPE, FIRST_JS_OBJECT_TYPE = JS_VALUE_TYPE, LAST_JS_OBJECT_TYPE = LAST_TYPE,
  FIRST_JS_PROXY_TYPE = JS_FUNCTION_PROXY_TYPE, LAST_JS_PROXY_TYPE = JS_PROXY_TYPE, FIRST_SPEC_OBJECT_TYPE = FIRST_JS_RECEIVER_TYPE, LAST_SPEC_OBJECT_TYPE = LAST_JS_RECEIVER_TYPE,
  FIRST_NONCALLABLE_SPEC_OBJECT_TYPE = JS_PROXY_TYPE, LAST_NONCALLABLE_SPEC_OBJECT_TYPE = JS_REGEXP_TYPE, NUM_OF_CALLABLE_SPEC_OBJECT_TYPES = 2
}
 
enum  CompareResult { LESS = -1, EQUAL = 0, GREATER = 1, NOT_EQUAL = GREATER }
 
enum  EnsureElementsMode { DONT_ALLOW_DOUBLE_ELEMENTS, ALLOW_COPIED_DOUBLE_ELEMENTS, ALLOW_CONVERTED_DOUBLE_ELEMENTS }
 
enum  SetPropertyMode { SET_PROPERTY, DEFINE_PROPERTY }
 
enum  AccessorComponent { ACCESSOR_GETTER, ACCESSOR_SETTER }
 
enum  BuiltinFunctionId { kMathPowHalf, kFirstMathFunctionId = kMathFloor }
 
enum  AllowNullsFlag { ALLOW_NULLS, DISALLOW_NULLS }
 
enum  RobustnessFlag { ROBUST_STRING_TRAVERSAL, FAST_STRING_TRAVERSAL }
 

Functions

 STATIC_ASSERT ((kSeqStringTag &kIsIndirectStringMask)==0)
 
 STATIC_ASSERT ((kExternalStringTag &kIsIndirectStringMask)==0)
 
 STATIC_ASSERT ((kConsStringTag &kIsIndirectStringMask)==kIsIndirectStringTag)
 
 STATIC_ASSERT ((kSlicedStringTag &kIsIndirectStringMask)==kIsIndirectStringTag)
 
 STATIC_ASSERT (IS_POWER_OF_TWO(kSlicedNotConsMask)&&kSlicedNotConsMask!=0)
 
 STATIC_CHECK (JS_OBJECT_TYPE==Internals::kJSObjectType)
 
 STATIC_CHECK (FIRST_NONSTRING_TYPE==Internals::kFirstNonstringType)
 
 STATIC_CHECK (ODDBALL_TYPE==Internals::kOddballType)
 
 STATIC_CHECK (FOREIGN_TYPE==Internals::kForeignType)
 
template<typename schar >
uint32_t HashSequentialString (const schar *chars, int length, uint32_t seed)
 

Variables

const int kVariableSizeSentinel = 0
 
const uint32_t kIsNotStringMask = 0x80
 
const uint32_t kStringTag = 0x0
 
const uint32_t kNotStringTag = 0x80
 
const uint32_t kIsSymbolMask = 0x40
 
const uint32_t kNotSymbolTag = 0x0
 
const uint32_t kSymbolTag = 0x40
 
const uint32_t kStringEncodingMask = 0x4
 
const uint32_t kTwoByteStringTag = 0x0
 
const uint32_t kAsciiStringTag = 0x4
 
const uint32_t kStringRepresentationMask = 0x03
 
const uint32_t kIsIndirectStringMask = 0x1
 
const uint32_t kIsIndirectStringTag = 0x1
 
const uint32_t kSlicedNotConsMask = kSlicedStringTag & ~kConsStringTag
 
const uint32_t kAsciiDataHintMask = 0x08
 
const uint32_t kAsciiDataHintTag = 0x08
 
const uint32_t kShortExternalStringMask = 0x10
 
const uint32_t kShortExternalStringTag = 0x10
 
const uint32_t kShortcutTypeMask
 
const uint32_t kShortcutTypeTag = kConsStringTag
 
const int kExternalArrayTypeCount
 
const int kFailureTypeTagSize = 2
 
const int kFailureTypeTagMask = (1 << kFailureTypeTagSize) - 1
 

Macro Definition Documentation

#define DECL_ACCESSORS (   name,
  type 
)
Value:
inline type* name(); \
inline void set_##name(type* value, \
WriteBarrierMode mode = UPDATE_WRITE_BARRIER); \
v8::internal::name
value format" "after each garbage collection") DEFINE_bool(print_cumulative_gc_stat, false, "print cumulative GC statistics in name=value format on exit") DEFINE_bool(trace_gc_verbose, false, "print more details following each garbage collection") DEFINE_bool(trace_fragmentation, false, "report fragmentation for old pointer and data pages") DEFINE_bool(collect_maps, true, "garbage collect maps from which no objects can be reached") DEFINE_bool(flush_code, true, "flush code that we expect not to use again before full gc") DEFINE_bool(incremental_marking, true, "use incremental marking") DEFINE_bool(incremental_marking_steps, true, "do incremental marking steps") DEFINE_bool(trace_incremental_marking, false, "trace progress of the incremental marking") DEFINE_bool(use_idle_notification, true, "Use idle notification to reduce memory footprint.") DEFINE_bool(send_idle_notification, false, "Send idle notifcation between stress runs.") DEFINE_bool(use_ic, true, "use inline caching") DEFINE_bool(native_code_counters, false, "generate extra code for manipulating stats counters") DEFINE_bool(always_compact, false, "Perform compaction on every full GC") DEFINE_bool(lazy_sweeping, true, "Use lazy sweeping for old pointer and data spaces") DEFINE_bool(never_compact, false, "Never perform compaction on full GC-testing only") DEFINE_bool(compact_code_space, true, "Compact code space on full non-incremental collections") DEFINE_bool(cleanup_code_caches_at_gc, true, "Flush inline caches prior to mark compact collection and" "flush code caches in maps during mark compact cycle.") DEFINE_int(random_seed, 0, "Default seed for initializing random generator" "(0, the default, means to use system random).") DEFINE_bool(use_verbose_printer, true, "allows verbose printing") DEFINE_bool(allow_natives_syntax, false, "allow natives syntax") DEFINE_bool(trace_sim, false, "Trace simulator execution") DEFINE_bool(check_icache, false, "Check icache flushes in ARM and MIPS simulator") DEFINE_int(stop_sim_at, 0, "Simulator stop after x number of instructions") DEFINE_int(sim_stack_alignment, 8, "Stack alingment in bytes in simulator(4 or 8, 8 is default)") DEFINE_bool(trace_exception, false, "print stack trace when throwing exceptions") DEFINE_bool(preallocate_message_memory, false, "preallocate some memory to build stack traces.") DEFINE_bool(randomize_hashes, true, "randomize hashes to avoid predictable hash collisions" "(with snapshots this option cannot override the baked-in seed)") DEFINE_int(hash_seed, 0, "Fixed seed to use to hash property keys(0 means random)" "(with snapshots this option cannot override the baked-in seed)") DEFINE_bool(preemption, false, "activate a 100ms timer that switches between V8 threads") DEFINE_bool(regexp_optimization, true, "generate optimized regexp code") DEFINE_bool(testing_bool_flag, true, "testing_bool_flag") DEFINE_int(testing_int_flag, 13, "testing_int_flag") DEFINE_float(testing_float_flag, 2.5, "float-flag") DEFINE_string(testing_string_flag, "Hello, world!", "string-flag") DEFINE_int(testing_prng_seed, 42, "Seed used for threading test randomness") DEFINE_string(testing_serialization_file, "/tmp/serdes", "file in which to serialize heap") DEFINE_bool(help, false, "Print usage message, including flags, on console") DEFINE_bool(dump_counters, false, "Dump counters on exit") DEFINE_string(map_counters, "", "Map counters to a file") DEFINE_args(js_arguments, JSARGUMENTS_INIT, "Pass all remaining arguments to the script.Alias for\"--\".") DEFINE_bool(debug_compile_events, true,"Enable debugger compile events") DEFINE_bool(debug_script_collected_events, true,"Enable debugger script collected events") DEFINE_bool(gdbjit, false,"enable GDBJIT interface (disables compacting GC)") DEFINE_bool(gdbjit_full, false,"enable GDBJIT interface for all code objects") DEFINE_bool(gdbjit_dump, false,"dump elf objects with debug info to disk") DEFINE_string(gdbjit_dump_filter,"","dump only objects containing this substring") DEFINE_bool(force_marking_deque_overflows, false,"force overflows of marking deque by reducing it's size ""to 64 words") DEFINE_bool(stress_compaction, false,"stress the GC compactor to flush out bugs (implies ""--force_marking_deque_overflows)")#define FLAG DEFINE_bool(enable_slow_asserts, false,"enable asserts that are slow to execute") DEFINE_bool(trace_codegen, false,"print name of functions for which code is generated") DEFINE_bool(print_source, false,"pretty print source code") DEFINE_bool(print_builtin_source, false,"pretty print source code for builtins") DEFINE_bool(print_ast, false,"print source AST") DEFINE_bool(print_builtin_ast, false,"print source AST for builtins") DEFINE_string(stop_at,"","function name where to insert a breakpoint") DEFINE_bool(print_builtin_scopes, false,"print scopes for builtins") DEFINE_bool(print_scopes, false,"print scopes") DEFINE_bool(trace_contexts, false,"trace contexts operations") DEFINE_bool(gc_greedy, false,"perform GC prior to some allocations") DEFINE_bool(gc_verbose, false,"print stuff during garbage collection") DEFINE_bool(heap_stats, false,"report heap statistics before and after GC") DEFINE_bool(code_stats, false,"report code statistics after GC") DEFINE_bool(verify_heap, false,"verify heap pointers before and after GC") DEFINE_bool(print_handles, false,"report handles after GC") DEFINE_bool(print_global_handles, false,"report global handles after GC") DEFINE_bool(trace_ic, false,"trace inline cache state transitions") DEFINE_bool(print_interfaces, false,"print interfaces") DEFINE_bool(print_interface_details, false,"print interface inference details") DEFINE_int(print_interface_depth, 5,"depth for printing interfaces") DEFINE_bool(trace_normalization, false,"prints when objects are turned into dictionaries.") DEFINE_bool(trace_lazy, false,"trace lazy compilation") DEFINE_bool(collect_heap_spill_statistics, false,"report heap spill statistics along with heap_stats ""(requires heap_stats)") DEFINE_bool(trace_isolates, false,"trace isolate state changes") DEFINE_bool(log_state_changes, false,"Log state changes.") DEFINE_bool(regexp_possessive_quantifier, false,"enable possessive quantifier syntax for testing") DEFINE_bool(trace_regexp_bytecodes, false,"trace regexp bytecode execution") DEFINE_bool(trace_regexp_assembler, false,"trace regexp macro assembler calls.")#define FLAG DEFINE_bool(log, false,"Minimal logging (no API, code, GC, suspect, or handles samples).") DEFINE_bool(log_all, false,"Log all events to the log file.") DEFINE_bool(log_runtime, false,"Activate runtime system %Log call.") DEFINE_bool(log_api, false,"Log API events to the log file.") DEFINE_bool(log_code, false,"Log code events to the log file without profiling.") DEFINE_bool(log_gc, false,"Log heap samples on garbage collection for the hp2ps tool.") DEFINE_bool(log_handles, false,"Log global handle events.") DEFINE_bool(log_snapshot_positions, false,"log positions of (de)serialized objects in the snapshot.") DEFINE_bool(log_suspect, false,"Log suspect operations.") DEFINE_bool(prof, false,"Log statistical profiling information (implies --log-code).") DEFINE_bool(prof_auto, true,"Used with --prof, starts profiling automatically") DEFINE_bool(prof_lazy, false,"Used with --prof, only does sampling and logging"" when profiler is active (implies --noprof_auto).") DEFINE_bool(prof_browser_mode, true,"Used with --prof, turns on browser-compatible mode for profiling.") DEFINE_bool(log_regexp, false,"Log regular expression execution.") DEFINE_bool(sliding_state_window, false,"Update sliding state window counters.") DEFINE_string(logfile,"v8.log","Specify the name of the log file.") DEFINE_bool(ll_prof, false,"Enable low-level linux profiler.")#define FLAG DEFINE_bool(trace_elements_transitions, false,"trace elements transitions") DEFINE_bool(print_code_stubs, false,"print code stubs") DEFINE_bool(test_secondary_stub_cache, false,"test secondary stub cache by disabling the primary one") DEFINE_bool(test_primary_stub_cache, false,"test primary stub cache by disabling the secondary one") DEFINE_bool(print_code, false,"print generated code") DEFINE_bool(print_opt_code, false,"print optimized code") DEFINE_bool(print_unopt_code, false,"print unoptimized code before ""printing optimized code based on it") DEFINE_bool(print_code_verbose, false,"print more information for code") DEFINE_bool(print_builtin_code, false,"print generated code for builtins")#43"/Users/thlorenz/dev/dx/v8-perf/build/v8/src/flags.cc"2#define FLAG_MODE_DEFINE_DEFAULTS#1"/Users/thlorenz/dev/dx/v8-perf/build/v8/src/flag-definitions.h"1#define FLAG_FULL(ftype, ctype, nam, def, cmt)#define FLAG_READONLY(ftype, ctype, nam, def, cmt)#define DEFINE_implication(whenflag, thenflag)#define DEFINE_bool(nam, def, cmt)#define DEFINE_int(nam, def, cmt)#define DEFINE_float(nam, def, cmt)#define DEFINE_string(nam, def, cmt)#define DEFINE_args(nam, def, cmt)#define FLAG DEFINE_bool(use_strict, false,"enforce strict mode") DEFINE_bool(es5_readonly, false,"activate correct semantics for inheriting readonliness") DEFINE_bool(es52_globals, false,"activate new semantics for global var declarations") DEFINE_bool(harmony_typeof, false,"enable harmony semantics for typeof") DEFINE_bool(harmony_scoping, false,"enable harmony block scoping") DEFINE_bool(harmony_modules, false,"enable harmony modules (implies block scoping)") DEFINE_bool(harmony_proxies, false,"enable harmony proxies") DEFINE_bool(harmony_collections, false,"enable harmony collections (sets, maps, and weak maps)") DEFINE_bool(harmony, false,"enable all harmony features (except typeof)") DEFINE_implication(harmony, harmony_scoping) DEFINE_implication(harmony, harmony_modules) DEFINE_implication(harmony, harmony_proxies) DEFINE_implication(harmony, harmony_collections) DEFINE_implication(harmony_modules, harmony_scoping) DEFINE_bool(packed_arrays, false,"optimizes arrays that have no holes") DEFINE_bool(smi_only_arrays, true,"tracks arrays with only smi values") DEFINE_bool(clever_optimizations, true,"Optimize object size, Array shift, DOM strings and string +") DEFINE_bool(unbox_double_arrays, true,"automatically unbox arrays of doubles") DEFINE_bool(string_slices, true,"use string slices") DEFINE_bool(crankshaft, true,"use crankshaft") DEFINE_string(hydrogen_filter,"","optimization filter") DEFINE_bool(use_range, true,"use hydrogen range analysis") DEFINE_bool(eliminate_dead_phis, true,"eliminate dead phis") DEFINE_bool(use_gvn, true,"use hydrogen global value numbering") DEFINE_bool(use_canonicalizing, true,"use hydrogen instruction canonicalizing") DEFINE_bool(use_inlining, true,"use function inlining") DEFINE_int(max_inlined_source_size, 600,"maximum source size in bytes considered for a single inlining") DEFINE_int(max_inlined_nodes, 196,"maximum number of AST nodes considered for a single inlining") DEFINE_int(max_inlined_nodes_cumulative, 196,"maximum cumulative number of AST nodes considered for inlining") DEFINE_bool(loop_invariant_code_motion, true,"loop invariant code motion") DEFINE_bool(collect_megamorphic_maps_from_stub_cache, true,"crankshaft harvests type feedback from stub cache") DEFINE_bool(hydrogen_stats, false,"print statistics for hydrogen") DEFINE_bool(trace_hydrogen, false,"trace generated hydrogen to file") DEFINE_string(trace_phase,"Z","trace generated IR for specified phases") DEFINE_bool(trace_inlining, false,"trace inlining decisions") DEFINE_bool(trace_alloc, false,"trace register allocator") DEFINE_bool(trace_all_uses, false,"trace all use positions") DEFINE_bool(trace_range, false,"trace range analysis") DEFINE_bool(trace_gvn, false,"trace global value numbering") DEFINE_bool(trace_representation, false,"trace representation types") DEFINE_bool(stress_pointer_maps, false,"pointer map for every instruction") DEFINE_bool(stress_environments, false,"environment for every instruction") DEFINE_int(deopt_every_n_times, 0,"deoptimize every n times a deopt point is passed") DEFINE_bool(trap_on_deopt, false,"put a break point before deoptimizing") DEFINE_bool(deoptimize_uncommon_cases, true,"deoptimize uncommon cases") DEFINE_bool(polymorphic_inlining, true,"polymorphic inlining") DEFINE_bool(use_osr, true,"use on-stack replacement") DEFINE_bool(array_bounds_checks_elimination, false,"perform array bounds checks elimination") DEFINE_bool(array_index_dehoisting, false,"perform array index dehoisting") DEFINE_bool(trace_osr, false,"trace on-stack replacement") DEFINE_int(stress_runs, 0,"number of stress runs") DEFINE_bool(optimize_closures, true,"optimize closures") DEFINE_bool(inline_construct, true,"inline constructor calls") DEFINE_bool(inline_arguments, true,"inline functions with arguments object") DEFINE_int(loop_weight, 1,"loop weight for representation inference") DEFINE_bool(optimize_for_in, true,"optimize functions containing for-in loops") DEFINE_bool(experimental_profiler, true,"enable all profiler experiments") DEFINE_bool(watch_ic_patching, false,"profiler considers IC stability") DEFINE_int(frame_count, 1,"number of stack frames inspected by the profiler") DEFINE_bool(self_optimization, false,"primitive functions trigger their own optimization") DEFINE_bool(direct_self_opt, false,"call recompile stub directly when self-optimizing") DEFINE_bool(retry_self_opt, false,"re-try self-optimization if it failed") DEFINE_bool(count_based_interrupts, false,"trigger profiler ticks based on counting instead of timing") DEFINE_bool(interrupt_at_exit, false,"insert an interrupt check at function exit") DEFINE_bool(weighted_back_edges, false,"weight back edges by jump distance for interrupt triggering") DEFINE_int(interrupt_budget, 5900,"execution budget before interrupt is triggered") DEFINE_int(type_info_threshold, 15,"percentage of ICs that must have type info to allow optimization") DEFINE_int(self_opt_count, 130,"call count before self-optimization") DEFINE_implication(experimental_profiler, watch_ic_patching) DEFINE_implication(experimental_profiler, self_optimization) DEFINE_implication(experimental_profiler, retry_self_opt) DEFINE_implication(experimental_profiler, count_based_interrupts) DEFINE_implication(experimental_profiler, interrupt_at_exit) DEFINE_implication(experimental_profiler, weighted_back_edges) DEFINE_bool(trace_opt_verbose, false,"extra verbose compilation tracing") DEFINE_implication(trace_opt_verbose, trace_opt) DEFINE_bool(debug_code, false,"generate extra code (assertions) for debugging") DEFINE_bool(code_comments, false,"emit comments in code disassembly") DEFINE_bool(enable_sse2, true,"enable use of SSE2 instructions if available") DEFINE_bool(enable_sse3, true,"enable use of SSE3 instructions if available") DEFINE_bool(enable_sse4_1, true,"enable use of SSE4.1 instructions if available") DEFINE_bool(enable_cmov, true,"enable use of CMOV instruction if available") DEFINE_bool(enable_rdtsc, true,"enable use of RDTSC instruction if available") DEFINE_bool(enable_sahf, true,"enable use of SAHF instruction if available (X64 only)") DEFINE_bool(enable_vfp3, true,"enable use of VFP3 instructions if available - this implies ""enabling ARMv7 instructions (ARM only)") DEFINE_bool(enable_armv7, true,"enable use of ARMv7 instructions if available (ARM only)") DEFINE_bool(enable_fpu, true,"enable use of MIPS FPU instructions if available (MIPS only)") DEFINE_string(expose_natives_as, NULL,"expose natives in global object") DEFINE_string(expose_debug_as, NULL,"expose debug in global object") DEFINE_bool(expose_gc, false,"expose gc extension") DEFINE_bool(expose_externalize_string, false,"expose externalize string extension") DEFINE_int(stack_trace_limit, 10,"number of stack frames to capture") DEFINE_bool(builtins_in_stack_traces, false,"show built-in functions in stack traces") DEFINE_bool(disable_native_files, false,"disable builtin natives files") DEFINE_bool(inline_new, true,"use fast inline allocation") DEFINE_bool(stack_trace_on_abort, true,"print a stack trace if an assertion failure occurs") DEFINE_bool(trace, false,"trace function calls") DEFINE_bool(mask_constants_with_cookie, true,"use random jit cookie to mask large constants") DEFINE_bool(lazy, true,"use lazy compilation") DEFINE_bool(trace_opt, false,"trace lazy optimization") DEFINE_bool(trace_opt_stats, false,"trace lazy optimization statistics") DEFINE_bool(opt, true,"use adaptive optimizations") DEFINE_bool(always_opt, false,"always try to optimize functions") DEFINE_bool(prepare_always_opt, false,"prepare for turning on always opt") DEFINE_bool(trace_deopt, false,"trace deoptimization") DEFINE_int(min_preparse_length, 1024,"minimum length for automatic enable preparsing") DEFINE_bool(always_full_compiler, false,"try to use the dedicated run-once backend for all code") DEFINE_bool(trace_bailout, false,"print reasons for falling back to using the classic V8 backend") DEFINE_bool(compilation_cache, true,"enable compilation cache") DEFINE_bool(cache_prototype_transitions, true,"cache prototype transitions") DEFINE_bool(trace_debug_json, false,"trace debugging JSON request/response") DEFINE_bool(debugger_auto_break, true,"automatically set the debug break flag when debugger commands are ""in the queue") DEFINE_bool(enable_liveedit, true,"enable liveedit experimental feature") DEFINE_bool(break_on_abort, true,"always cause a debug break before aborting") DEFINE_int(stack_size, kPointerSize *123,"default size of stack region v8 is allowed to use (in kBytes)") DEFINE_int(max_stack_trace_source_length, 300,"maximum length of function source code printed in a stack trace.") DEFINE_bool(always_inline_smi_code, false,"always inline smi code in non-opt code") DEFINE_int(max_new_space_size, 0,"max size of the new generation (in kBytes)") DEFINE_int(max_old_space_size, 0,"max size of the old generation (in Mbytes)") DEFINE_int(max_executable_size, 0,"max size of executable memory (in Mbytes)") DEFINE_bool(gc_global, false,"always perform global GCs") DEFINE_int(gc_interval,-1,"garbage collect after <n> allocations") DEFINE_bool(trace_gc, false,"print one trace line following each garbage collection") DEFINE_bool(trace_gc_nvp, false,"print one detailed trace line in name=value format ""after each garbage collection") DEFINE_bool(print_cumulative_gc_stat, false,"print cumulative GC statistics in name=value format on exit") DEFINE_bool(trace_gc_verbose, false,"print more details following each garbage collection") DEFINE_bool(trace_fragmentation, false,"report fragmentation for old pointer and data pages") DEFINE_bool(collect_maps, true,"garbage collect maps from which no objects can be reached") DEFINE_bool(flush_code, true,"flush code that we expect not to use again before full gc") DEFINE_bool(incremental_marking, true,"use incremental marking") DEFINE_bool(incremental_marking_steps, true,"do incremental marking steps") DEFINE_bool(trace_incremental_marking, false,"trace progress of the incremental marking") DEFINE_bool(use_idle_notification, true,"Use idle notification to reduce memory footprint.") DEFINE_bool(send_idle_notification, false,"Send idle notifcation between stress runs.") DEFINE_bool(use_ic, true,"use inline caching") DEFINE_bool(native_code_counters, false,"generate extra code for manipulating stats counters") DEFINE_bool(always_compact, false,"Perform compaction on every full GC") DEFINE_bool(lazy_sweeping, true,"Use lazy sweeping for old pointer and data spaces") DEFINE_bool(never_compact, false,"Never perform compaction on full GC - testing only") DEFINE_bool(compact_code_space, true,"Compact code space on full non-incremental collections") DEFINE_bool(cleanup_code_caches_at_gc, true,"Flush inline caches prior to mark compact collection and ""flush code caches in maps during mark compact cycle.") DEFINE_int(random_seed, 0,"Default seed for initializing random generator ""(0, the default, means to use system random).") DEFINE_bool(use_verbose_printer, true,"allows verbose printing") DEFINE_bool(allow_natives_syntax, false,"allow natives syntax") DEFINE_bool(trace_sim, false,"Trace simulator execution") DEFINE_bool(check_icache, false,"Check icache flushes in ARM and MIPS simulator") DEFINE_int(stop_sim_at, 0,"Simulator stop after x number of instructions") DEFINE_int(sim_stack_alignment, 8,"Stack alingment in bytes in simulator (4 or 8, 8 is default)") DEFINE_bool(trace_exception, false,"print stack trace when throwing exceptions") DEFINE_bool(preallocate_message_memory, false,"preallocate some memory to build stack traces.") DEFINE_bool(randomize_hashes, true,"randomize hashes to avoid predictable hash collisions ""(with snapshots this option cannot override the baked-in seed)") DEFINE_int(hash_seed, 0,"Fixed seed to use to hash property keys (0 means random)""(with snapshots this option cannot override the baked-in seed)") DEFINE_bool(preemption, false,"activate a 100ms timer that switches between V8 threads") DEFINE_bool(regexp_optimization, true,"generate optimized regexp code") DEFINE_bool(testing_bool_flag, true,"testing_bool_flag") DEFINE_int(testing_int_flag, 13,"testing_int_flag") DEFINE_float(testing_float_flag, 2.5,"float-flag") DEFINE_string(testing_string_flag,"Hello, world!","string-flag") DEFINE_int(testing_prng_seed, 42,"Seed used for threading test randomness") DEFINE_string(testing_serialization_file,"/tmp/serdes","file in which to serialize heap") DEFINE_bool(help, false,"Print usage message, including flags, on console") DEFINE_bool(dump_counters, false,"Dump counters on exit") DEFINE_string(map_counters,"","Map counters to a file") DEFINE_args(js_arguments, JSARGUMENTS_INIT,"Pass all remaining arguments to the script. Alias for \"--\".") DEFINE_bool(debug_compile_events, true,"Enable debugger compile events") DEFINE_bool(debug_script_collected_events, true,"Enable debugger script collected events") DEFINE_bool(gdbjit, false,"enable GDBJIT interface (disables compacting GC)") DEFINE_bool(gdbjit_full, false,"enable GDBJIT interface for all code objects") DEFINE_bool(gdbjit_dump, false,"dump elf objects with debug info to disk") DEFINE_string(gdbjit_dump_filter,"","dump only objects containing this substring") DEFINE_bool(force_marking_deque_overflows, false,"force overflows of marking deque by reducing it's size ""to 64 words") DEFINE_bool(stress_compaction, false,"stress the GC compactor to flush out bugs (implies ""--force_marking_deque_overflows)")#define FLAG DEFINE_bool(enable_slow_asserts, false,"enable asserts that are slow to execute") DEFINE_bool(trace_codegen, false,"print name of functions for which code is generated") DEFINE_bool(print_source, false,"pretty print source code") DEFINE_bool(print_builtin_source, false,"pretty print source code for builtins") DEFINE_bool(print_ast, false,"print source AST") DEFINE_bool(print_builtin_ast, false,"print source AST for builtins") DEFINE_string(stop_at,"","function name where to insert a breakpoint") DEFINE_bool(print_builtin_scopes, false,"print scopes for builtins") DEFINE_bool(print_scopes, false,"print scopes") DEFINE_bool(trace_contexts, false,"trace contexts operations") DEFINE_bool(gc_greedy, false,"perform GC prior to some allocations") DEFINE_bool(gc_verbose, false,"print stuff during garbage collection") DEFINE_bool(heap_stats, false,"report heap statistics before and after GC") DEFINE_bool(code_stats, false,"report code statistics after GC") DEFINE_bool(verify_heap, false,"verify heap pointers before and after GC") DEFINE_bool(print_handles, false,"report handles after GC") DEFINE_bool(print_global_handles, false,"report global handles after GC") DEFINE_bool(trace_ic, false,"trace inline cache state transitions") DEFINE_bool(print_interfaces, false,"print interfaces") DEFINE_bool(print_interface_details, false,"print interface inference details") DEFINE_int(print_interface_depth, 5,"depth for printing interfaces") DEFINE_bool(trace_normalization, false,"prints when objects are turned into dictionaries.") DEFINE_bool(trace_lazy, false,"trace lazy compilation") DEFINE_bool(collect_heap_spill_statistics, false,"report heap spill statistics along with heap_stats ""(requires heap_stats)") DEFINE_bool(trace_isolates, false,"trace isolate state changes") DEFINE_bool(log_state_changes, false,"Log state changes.") DEFINE_bool(regexp_possessive_quantifier, false,"enable possessive quantifier syntax for testing") DEFINE_bool(trace_regexp_bytecodes, false,"trace regexp bytecode execution") DEFINE_bool(trace_regexp_assembler, false,"trace regexp macro assembler calls.")#define FLAG DEFINE_bool(log, false,"Minimal logging (no API, code, GC, suspect, or handles samples).") DEFINE_bool(log_all, false,"Log all events to the log file.") DEFINE_bool(log_runtime, false,"Activate runtime system %Log call.") DEFINE_bool(log_api, false,"Log API events to the log file.") DEFINE_bool(log_code, false,"Log code events to the log file without profiling.") DEFINE_bool(log_gc, false,"Log heap samples on garbage collection for the hp2ps tool.") DEFINE_bool(log_handles, false,"Log global handle events.") DEFINE_bool(log_snapshot_positions, false,"log positions of (de)serialized objects in the snapshot.") DEFINE_bool(log_suspect, false,"Log suspect operations.") DEFINE_bool(prof, false,"Log statistical profiling information (implies --log-code).") DEFINE_bool(prof_auto, true,"Used with --prof, starts profiling automatically") DEFINE_bool(prof_lazy, false,"Used with --prof, only does sampling and logging"" when profiler is active (implies --noprof_auto).") DEFINE_bool(prof_browser_mode, true,"Used with --prof, turns on browser-compatible mode for profiling.") DEFINE_bool(log_regexp, false,"Log regular expression execution.") DEFINE_bool(sliding_state_window, false,"Update sliding state window counters.") DEFINE_string(logfile,"v8.log","Specify the name of the log file.") DEFINE_bool(ll_prof, false,"Enable low-level linux profiler.")#define FLAG DEFINE_bool(trace_elements_transitions, false,"trace elements transitions") DEFINE_bool(print_code_stubs, false,"print code stubs") DEFINE_bool(test_secondary_stub_cache, false,"test secondary stub cache by disabling the primary one") DEFINE_bool(test_primary_stub_cache, false,"test primary stub cache by disabling the secondary one") DEFINE_bool(print_code, false,"print generated code") DEFINE_bool(print_opt_code, false,"print optimized code") DEFINE_bool(print_unopt_code, false,"print unoptimized code before ""printing optimized code based on it") DEFINE_bool(print_code_verbose, false,"print more information for code") DEFINE_bool(print_builtin_code, false,"print generated code for builtins")#47"/Users/thlorenz/dev/dx/v8-perf/build/v8/src/flags.cc"2 namespace{struct Flag{enum FlagType{TYPE_BOOL, TYPE_INT, TYPE_FLOAT, TYPE_STRING, TYPE_ARGS} name
Definition: flags.cc:1349
v8::internal::type
FlagType type() const
Definition: flags.cc:1358

Definition at line 670 of file objects.h.

#define DECL_BOOLEAN_ACCESSORS (   name)
Value:
inline bool name(); \
inline void set_##name(bool value); \
v8::internal::name
value format" "after each garbage collection") DEFINE_bool(print_cumulative_gc_stat, false, "print cumulative GC statistics in name=value format on exit") DEFINE_bool(trace_gc_verbose, false, "print more details following each garbage collection") DEFINE_bool(trace_fragmentation, false, "report fragmentation for old pointer and data pages") DEFINE_bool(collect_maps, true, "garbage collect maps from which no objects can be reached") DEFINE_bool(flush_code, true, "flush code that we expect not to use again before full gc") DEFINE_bool(incremental_marking, true, "use incremental marking") DEFINE_bool(incremental_marking_steps, true, "do incremental marking steps") DEFINE_bool(trace_incremental_marking, false, "trace progress of the incremental marking") DEFINE_bool(use_idle_notification, true, "Use idle notification to reduce memory footprint.") DEFINE_bool(send_idle_notification, false, "Send idle notifcation between stress runs.") DEFINE_bool(use_ic, true, "use inline caching") DEFINE_bool(native_code_counters, false, "generate extra code for manipulating stats counters") DEFINE_bool(always_compact, false, "Perform compaction on every full GC") DEFINE_bool(lazy_sweeping, true, "Use lazy sweeping for old pointer and data spaces") DEFINE_bool(never_compact, false, "Never perform compaction on full GC-testing only") DEFINE_bool(compact_code_space, true, "Compact code space on full non-incremental collections") DEFINE_bool(cleanup_code_caches_at_gc, true, "Flush inline caches prior to mark compact collection and" "flush code caches in maps during mark compact cycle.") DEFINE_int(random_seed, 0, "Default seed for initializing random generator" "(0, the default, means to use system random).") DEFINE_bool(use_verbose_printer, true, "allows verbose printing") DEFINE_bool(allow_natives_syntax, false, "allow natives syntax") DEFINE_bool(trace_sim, false, "Trace simulator execution") DEFINE_bool(check_icache, false, "Check icache flushes in ARM and MIPS simulator") DEFINE_int(stop_sim_at, 0, "Simulator stop after x number of instructions") DEFINE_int(sim_stack_alignment, 8, "Stack alingment in bytes in simulator(4 or 8, 8 is default)") DEFINE_bool(trace_exception, false, "print stack trace when throwing exceptions") DEFINE_bool(preallocate_message_memory, false, "preallocate some memory to build stack traces.") DEFINE_bool(randomize_hashes, true, "randomize hashes to avoid predictable hash collisions" "(with snapshots this option cannot override the baked-in seed)") DEFINE_int(hash_seed, 0, "Fixed seed to use to hash property keys(0 means random)" "(with snapshots this option cannot override the baked-in seed)") DEFINE_bool(preemption, false, "activate a 100ms timer that switches between V8 threads") DEFINE_bool(regexp_optimization, true, "generate optimized regexp code") DEFINE_bool(testing_bool_flag, true, "testing_bool_flag") DEFINE_int(testing_int_flag, 13, "testing_int_flag") DEFINE_float(testing_float_flag, 2.5, "float-flag") DEFINE_string(testing_string_flag, "Hello, world!", "string-flag") DEFINE_int(testing_prng_seed, 42, "Seed used for threading test randomness") DEFINE_string(testing_serialization_file, "/tmp/serdes", "file in which to serialize heap") DEFINE_bool(help, false, "Print usage message, including flags, on console") DEFINE_bool(dump_counters, false, "Dump counters on exit") DEFINE_string(map_counters, "", "Map counters to a file") DEFINE_args(js_arguments, JSARGUMENTS_INIT, "Pass all remaining arguments to the script.Alias for\"--\".") DEFINE_bool(debug_compile_events, true,"Enable debugger compile events") DEFINE_bool(debug_script_collected_events, true,"Enable debugger script collected events") DEFINE_bool(gdbjit, false,"enable GDBJIT interface (disables compacting GC)") DEFINE_bool(gdbjit_full, false,"enable GDBJIT interface for all code objects") DEFINE_bool(gdbjit_dump, false,"dump elf objects with debug info to disk") DEFINE_string(gdbjit_dump_filter,"","dump only objects containing this substring") DEFINE_bool(force_marking_deque_overflows, false,"force overflows of marking deque by reducing it's size ""to 64 words") DEFINE_bool(stress_compaction, false,"stress the GC compactor to flush out bugs (implies ""--force_marking_deque_overflows)")#define FLAG DEFINE_bool(enable_slow_asserts, false,"enable asserts that are slow to execute") DEFINE_bool(trace_codegen, false,"print name of functions for which code is generated") DEFINE_bool(print_source, false,"pretty print source code") DEFINE_bool(print_builtin_source, false,"pretty print source code for builtins") DEFINE_bool(print_ast, false,"print source AST") DEFINE_bool(print_builtin_ast, false,"print source AST for builtins") DEFINE_string(stop_at,"","function name where to insert a breakpoint") DEFINE_bool(print_builtin_scopes, false,"print scopes for builtins") DEFINE_bool(print_scopes, false,"print scopes") DEFINE_bool(trace_contexts, false,"trace contexts operations") DEFINE_bool(gc_greedy, false,"perform GC prior to some allocations") DEFINE_bool(gc_verbose, false,"print stuff during garbage collection") DEFINE_bool(heap_stats, false,"report heap statistics before and after GC") DEFINE_bool(code_stats, false,"report code statistics after GC") DEFINE_bool(verify_heap, false,"verify heap pointers before and after GC") DEFINE_bool(print_handles, false,"report handles after GC") DEFINE_bool(print_global_handles, false,"report global handles after GC") DEFINE_bool(trace_ic, false,"trace inline cache state transitions") DEFINE_bool(print_interfaces, false,"print interfaces") DEFINE_bool(print_interface_details, false,"print interface inference details") DEFINE_int(print_interface_depth, 5,"depth for printing interfaces") DEFINE_bool(trace_normalization, false,"prints when objects are turned into dictionaries.") DEFINE_bool(trace_lazy, false,"trace lazy compilation") DEFINE_bool(collect_heap_spill_statistics, false,"report heap spill statistics along with heap_stats ""(requires heap_stats)") DEFINE_bool(trace_isolates, false,"trace isolate state changes") DEFINE_bool(log_state_changes, false,"Log state changes.") DEFINE_bool(regexp_possessive_quantifier, false,"enable possessive quantifier syntax for testing") DEFINE_bool(trace_regexp_bytecodes, false,"trace regexp bytecode execution") DEFINE_bool(trace_regexp_assembler, false,"trace regexp macro assembler calls.")#define FLAG DEFINE_bool(log, false,"Minimal logging (no API, code, GC, suspect, or handles samples).") DEFINE_bool(log_all, false,"Log all events to the log file.") DEFINE_bool(log_runtime, false,"Activate runtime system %Log call.") DEFINE_bool(log_api, false,"Log API events to the log file.") DEFINE_bool(log_code, false,"Log code events to the log file without profiling.") DEFINE_bool(log_gc, false,"Log heap samples on garbage collection for the hp2ps tool.") DEFINE_bool(log_handles, false,"Log global handle events.") DEFINE_bool(log_snapshot_positions, false,"log positions of (de)serialized objects in the snapshot.") DEFINE_bool(log_suspect, false,"Log suspect operations.") DEFINE_bool(prof, false,"Log statistical profiling information (implies --log-code).") DEFINE_bool(prof_auto, true,"Used with --prof, starts profiling automatically") DEFINE_bool(prof_lazy, false,"Used with --prof, only does sampling and logging"" when profiler is active (implies --noprof_auto).") DEFINE_bool(prof_browser_mode, true,"Used with --prof, turns on browser-compatible mode for profiling.") DEFINE_bool(log_regexp, false,"Log regular expression execution.") DEFINE_bool(sliding_state_window, false,"Update sliding state window counters.") DEFINE_string(logfile,"v8.log","Specify the name of the log file.") DEFINE_bool(ll_prof, false,"Enable low-level linux profiler.")#define FLAG DEFINE_bool(trace_elements_transitions, false,"trace elements transitions") DEFINE_bool(print_code_stubs, false,"print code stubs") DEFINE_bool(test_secondary_stub_cache, false,"test secondary stub cache by disabling the primary one") DEFINE_bool(test_primary_stub_cache, false,"test primary stub cache by disabling the secondary one") DEFINE_bool(print_code, false,"print generated code") DEFINE_bool(print_opt_code, false,"print optimized code") DEFINE_bool(print_unopt_code, false,"print unoptimized code before ""printing optimized code based on it") DEFINE_bool(print_code_verbose, false,"print more information for code") DEFINE_bool(print_builtin_code, false,"print generated code for builtins")#43"/Users/thlorenz/dev/dx/v8-perf/build/v8/src/flags.cc"2#define FLAG_MODE_DEFINE_DEFAULTS#1"/Users/thlorenz/dev/dx/v8-perf/build/v8/src/flag-definitions.h"1#define FLAG_FULL(ftype, ctype, nam, def, cmt)#define FLAG_READONLY(ftype, ctype, nam, def, cmt)#define DEFINE_implication(whenflag, thenflag)#define DEFINE_bool(nam, def, cmt)#define DEFINE_int(nam, def, cmt)#define DEFINE_float(nam, def, cmt)#define DEFINE_string(nam, def, cmt)#define DEFINE_args(nam, def, cmt)#define FLAG DEFINE_bool(use_strict, false,"enforce strict mode") DEFINE_bool(es5_readonly, false,"activate correct semantics for inheriting readonliness") DEFINE_bool(es52_globals, false,"activate new semantics for global var declarations") DEFINE_bool(harmony_typeof, false,"enable harmony semantics for typeof") DEFINE_bool(harmony_scoping, false,"enable harmony block scoping") DEFINE_bool(harmony_modules, false,"enable harmony modules (implies block scoping)") DEFINE_bool(harmony_proxies, false,"enable harmony proxies") DEFINE_bool(harmony_collections, false,"enable harmony collections (sets, maps, and weak maps)") DEFINE_bool(harmony, false,"enable all harmony features (except typeof)") DEFINE_implication(harmony, harmony_scoping) DEFINE_implication(harmony, harmony_modules) DEFINE_implication(harmony, harmony_proxies) DEFINE_implication(harmony, harmony_collections) DEFINE_implication(harmony_modules, harmony_scoping) DEFINE_bool(packed_arrays, false,"optimizes arrays that have no holes") DEFINE_bool(smi_only_arrays, true,"tracks arrays with only smi values") DEFINE_bool(clever_optimizations, true,"Optimize object size, Array shift, DOM strings and string +") DEFINE_bool(unbox_double_arrays, true,"automatically unbox arrays of doubles") DEFINE_bool(string_slices, true,"use string slices") DEFINE_bool(crankshaft, true,"use crankshaft") DEFINE_string(hydrogen_filter,"","optimization filter") DEFINE_bool(use_range, true,"use hydrogen range analysis") DEFINE_bool(eliminate_dead_phis, true,"eliminate dead phis") DEFINE_bool(use_gvn, true,"use hydrogen global value numbering") DEFINE_bool(use_canonicalizing, true,"use hydrogen instruction canonicalizing") DEFINE_bool(use_inlining, true,"use function inlining") DEFINE_int(max_inlined_source_size, 600,"maximum source size in bytes considered for a single inlining") DEFINE_int(max_inlined_nodes, 196,"maximum number of AST nodes considered for a single inlining") DEFINE_int(max_inlined_nodes_cumulative, 196,"maximum cumulative number of AST nodes considered for inlining") DEFINE_bool(loop_invariant_code_motion, true,"loop invariant code motion") DEFINE_bool(collect_megamorphic_maps_from_stub_cache, true,"crankshaft harvests type feedback from stub cache") DEFINE_bool(hydrogen_stats, false,"print statistics for hydrogen") DEFINE_bool(trace_hydrogen, false,"trace generated hydrogen to file") DEFINE_string(trace_phase,"Z","trace generated IR for specified phases") DEFINE_bool(trace_inlining, false,"trace inlining decisions") DEFINE_bool(trace_alloc, false,"trace register allocator") DEFINE_bool(trace_all_uses, false,"trace all use positions") DEFINE_bool(trace_range, false,"trace range analysis") DEFINE_bool(trace_gvn, false,"trace global value numbering") DEFINE_bool(trace_representation, false,"trace representation types") DEFINE_bool(stress_pointer_maps, false,"pointer map for every instruction") DEFINE_bool(stress_environments, false,"environment for every instruction") DEFINE_int(deopt_every_n_times, 0,"deoptimize every n times a deopt point is passed") DEFINE_bool(trap_on_deopt, false,"put a break point before deoptimizing") DEFINE_bool(deoptimize_uncommon_cases, true,"deoptimize uncommon cases") DEFINE_bool(polymorphic_inlining, true,"polymorphic inlining") DEFINE_bool(use_osr, true,"use on-stack replacement") DEFINE_bool(array_bounds_checks_elimination, false,"perform array bounds checks elimination") DEFINE_bool(array_index_dehoisting, false,"perform array index dehoisting") DEFINE_bool(trace_osr, false,"trace on-stack replacement") DEFINE_int(stress_runs, 0,"number of stress runs") DEFINE_bool(optimize_closures, true,"optimize closures") DEFINE_bool(inline_construct, true,"inline constructor calls") DEFINE_bool(inline_arguments, true,"inline functions with arguments object") DEFINE_int(loop_weight, 1,"loop weight for representation inference") DEFINE_bool(optimize_for_in, true,"optimize functions containing for-in loops") DEFINE_bool(experimental_profiler, true,"enable all profiler experiments") DEFINE_bool(watch_ic_patching, false,"profiler considers IC stability") DEFINE_int(frame_count, 1,"number of stack frames inspected by the profiler") DEFINE_bool(self_optimization, false,"primitive functions trigger their own optimization") DEFINE_bool(direct_self_opt, false,"call recompile stub directly when self-optimizing") DEFINE_bool(retry_self_opt, false,"re-try self-optimization if it failed") DEFINE_bool(count_based_interrupts, false,"trigger profiler ticks based on counting instead of timing") DEFINE_bool(interrupt_at_exit, false,"insert an interrupt check at function exit") DEFINE_bool(weighted_back_edges, false,"weight back edges by jump distance for interrupt triggering") DEFINE_int(interrupt_budget, 5900,"execution budget before interrupt is triggered") DEFINE_int(type_info_threshold, 15,"percentage of ICs that must have type info to allow optimization") DEFINE_int(self_opt_count, 130,"call count before self-optimization") DEFINE_implication(experimental_profiler, watch_ic_patching) DEFINE_implication(experimental_profiler, self_optimization) DEFINE_implication(experimental_profiler, retry_self_opt) DEFINE_implication(experimental_profiler, count_based_interrupts) DEFINE_implication(experimental_profiler, interrupt_at_exit) DEFINE_implication(experimental_profiler, weighted_back_edges) DEFINE_bool(trace_opt_verbose, false,"extra verbose compilation tracing") DEFINE_implication(trace_opt_verbose, trace_opt) DEFINE_bool(debug_code, false,"generate extra code (assertions) for debugging") DEFINE_bool(code_comments, false,"emit comments in code disassembly") DEFINE_bool(enable_sse2, true,"enable use of SSE2 instructions if available") DEFINE_bool(enable_sse3, true,"enable use of SSE3 instructions if available") DEFINE_bool(enable_sse4_1, true,"enable use of SSE4.1 instructions if available") DEFINE_bool(enable_cmov, true,"enable use of CMOV instruction if available") DEFINE_bool(enable_rdtsc, true,"enable use of RDTSC instruction if available") DEFINE_bool(enable_sahf, true,"enable use of SAHF instruction if available (X64 only)") DEFINE_bool(enable_vfp3, true,"enable use of VFP3 instructions if available - this implies ""enabling ARMv7 instructions (ARM only)") DEFINE_bool(enable_armv7, true,"enable use of ARMv7 instructions if available (ARM only)") DEFINE_bool(enable_fpu, true,"enable use of MIPS FPU instructions if available (MIPS only)") DEFINE_string(expose_natives_as, NULL,"expose natives in global object") DEFINE_string(expose_debug_as, NULL,"expose debug in global object") DEFINE_bool(expose_gc, false,"expose gc extension") DEFINE_bool(expose_externalize_string, false,"expose externalize string extension") DEFINE_int(stack_trace_limit, 10,"number of stack frames to capture") DEFINE_bool(builtins_in_stack_traces, false,"show built-in functions in stack traces") DEFINE_bool(disable_native_files, false,"disable builtin natives files") DEFINE_bool(inline_new, true,"use fast inline allocation") DEFINE_bool(stack_trace_on_abort, true,"print a stack trace if an assertion failure occurs") DEFINE_bool(trace, false,"trace function calls") DEFINE_bool(mask_constants_with_cookie, true,"use random jit cookie to mask large constants") DEFINE_bool(lazy, true,"use lazy compilation") DEFINE_bool(trace_opt, false,"trace lazy optimization") DEFINE_bool(trace_opt_stats, false,"trace lazy optimization statistics") DEFINE_bool(opt, true,"use adaptive optimizations") DEFINE_bool(always_opt, false,"always try to optimize functions") DEFINE_bool(prepare_always_opt, false,"prepare for turning on always opt") DEFINE_bool(trace_deopt, false,"trace deoptimization") DEFINE_int(min_preparse_length, 1024,"minimum length for automatic enable preparsing") DEFINE_bool(always_full_compiler, false,"try to use the dedicated run-once backend for all code") DEFINE_bool(trace_bailout, false,"print reasons for falling back to using the classic V8 backend") DEFINE_bool(compilation_cache, true,"enable compilation cache") DEFINE_bool(cache_prototype_transitions, true,"cache prototype transitions") DEFINE_bool(trace_debug_json, false,"trace debugging JSON request/response") DEFINE_bool(debugger_auto_break, true,"automatically set the debug break flag when debugger commands are ""in the queue") DEFINE_bool(enable_liveedit, true,"enable liveedit experimental feature") DEFINE_bool(break_on_abort, true,"always cause a debug break before aborting") DEFINE_int(stack_size, kPointerSize *123,"default size of stack region v8 is allowed to use (in kBytes)") DEFINE_int(max_stack_trace_source_length, 300,"maximum length of function source code printed in a stack trace.") DEFINE_bool(always_inline_smi_code, false,"always inline smi code in non-opt code") DEFINE_int(max_new_space_size, 0,"max size of the new generation (in kBytes)") DEFINE_int(max_old_space_size, 0,"max size of the old generation (in Mbytes)") DEFINE_int(max_executable_size, 0,"max size of executable memory (in Mbytes)") DEFINE_bool(gc_global, false,"always perform global GCs") DEFINE_int(gc_interval,-1,"garbage collect after <n> allocations") DEFINE_bool(trace_gc, false,"print one trace line following each garbage collection") DEFINE_bool(trace_gc_nvp, false,"print one detailed trace line in name=value format ""after each garbage collection") DEFINE_bool(print_cumulative_gc_stat, false,"print cumulative GC statistics in name=value format on exit") DEFINE_bool(trace_gc_verbose, false,"print more details following each garbage collection") DEFINE_bool(trace_fragmentation, false,"report fragmentation for old pointer and data pages") DEFINE_bool(collect_maps, true,"garbage collect maps from which no objects can be reached") DEFINE_bool(flush_code, true,"flush code that we expect not to use again before full gc") DEFINE_bool(incremental_marking, true,"use incremental marking") DEFINE_bool(incremental_marking_steps, true,"do incremental marking steps") DEFINE_bool(trace_incremental_marking, false,"trace progress of the incremental marking") DEFINE_bool(use_idle_notification, true,"Use idle notification to reduce memory footprint.") DEFINE_bool(send_idle_notification, false,"Send idle notifcation between stress runs.") DEFINE_bool(use_ic, true,"use inline caching") DEFINE_bool(native_code_counters, false,"generate extra code for manipulating stats counters") DEFINE_bool(always_compact, false,"Perform compaction on every full GC") DEFINE_bool(lazy_sweeping, true,"Use lazy sweeping for old pointer and data spaces") DEFINE_bool(never_compact, false,"Never perform compaction on full GC - testing only") DEFINE_bool(compact_code_space, true,"Compact code space on full non-incremental collections") DEFINE_bool(cleanup_code_caches_at_gc, true,"Flush inline caches prior to mark compact collection and ""flush code caches in maps during mark compact cycle.") DEFINE_int(random_seed, 0,"Default seed for initializing random generator ""(0, the default, means to use system random).") DEFINE_bool(use_verbose_printer, true,"allows verbose printing") DEFINE_bool(allow_natives_syntax, false,"allow natives syntax") DEFINE_bool(trace_sim, false,"Trace simulator execution") DEFINE_bool(check_icache, false,"Check icache flushes in ARM and MIPS simulator") DEFINE_int(stop_sim_at, 0,"Simulator stop after x number of instructions") DEFINE_int(sim_stack_alignment, 8,"Stack alingment in bytes in simulator (4 or 8, 8 is default)") DEFINE_bool(trace_exception, false,"print stack trace when throwing exceptions") DEFINE_bool(preallocate_message_memory, false,"preallocate some memory to build stack traces.") DEFINE_bool(randomize_hashes, true,"randomize hashes to avoid predictable hash collisions ""(with snapshots this option cannot override the baked-in seed)") DEFINE_int(hash_seed, 0,"Fixed seed to use to hash property keys (0 means random)""(with snapshots this option cannot override the baked-in seed)") DEFINE_bool(preemption, false,"activate a 100ms timer that switches between V8 threads") DEFINE_bool(regexp_optimization, true,"generate optimized regexp code") DEFINE_bool(testing_bool_flag, true,"testing_bool_flag") DEFINE_int(testing_int_flag, 13,"testing_int_flag") DEFINE_float(testing_float_flag, 2.5,"float-flag") DEFINE_string(testing_string_flag,"Hello, world!","string-flag") DEFINE_int(testing_prng_seed, 42,"Seed used for threading test randomness") DEFINE_string(testing_serialization_file,"/tmp/serdes","file in which to serialize heap") DEFINE_bool(help, false,"Print usage message, including flags, on console") DEFINE_bool(dump_counters, false,"Dump counters on exit") DEFINE_string(map_counters,"","Map counters to a file") DEFINE_args(js_arguments, JSARGUMENTS_INIT,"Pass all remaining arguments to the script. Alias for \"--\".") DEFINE_bool(debug_compile_events, true,"Enable debugger compile events") DEFINE_bool(debug_script_collected_events, true,"Enable debugger script collected events") DEFINE_bool(gdbjit, false,"enable GDBJIT interface (disables compacting GC)") DEFINE_bool(gdbjit_full, false,"enable GDBJIT interface for all code objects") DEFINE_bool(gdbjit_dump, false,"dump elf objects with debug info to disk") DEFINE_string(gdbjit_dump_filter,"","dump only objects containing this substring") DEFINE_bool(force_marking_deque_overflows, false,"force overflows of marking deque by reducing it's size ""to 64 words") DEFINE_bool(stress_compaction, false,"stress the GC compactor to flush out bugs (implies ""--force_marking_deque_overflows)")#define FLAG DEFINE_bool(enable_slow_asserts, false,"enable asserts that are slow to execute") DEFINE_bool(trace_codegen, false,"print name of functions for which code is generated") DEFINE_bool(print_source, false,"pretty print source code") DEFINE_bool(print_builtin_source, false,"pretty print source code for builtins") DEFINE_bool(print_ast, false,"print source AST") DEFINE_bool(print_builtin_ast, false,"print source AST for builtins") DEFINE_string(stop_at,"","function name where to insert a breakpoint") DEFINE_bool(print_builtin_scopes, false,"print scopes for builtins") DEFINE_bool(print_scopes, false,"print scopes") DEFINE_bool(trace_contexts, false,"trace contexts operations") DEFINE_bool(gc_greedy, false,"perform GC prior to some allocations") DEFINE_bool(gc_verbose, false,"print stuff during garbage collection") DEFINE_bool(heap_stats, false,"report heap statistics before and after GC") DEFINE_bool(code_stats, false,"report code statistics after GC") DEFINE_bool(verify_heap, false,"verify heap pointers before and after GC") DEFINE_bool(print_handles, false,"report handles after GC") DEFINE_bool(print_global_handles, false,"report global handles after GC") DEFINE_bool(trace_ic, false,"trace inline cache state transitions") DEFINE_bool(print_interfaces, false,"print interfaces") DEFINE_bool(print_interface_details, false,"print interface inference details") DEFINE_int(print_interface_depth, 5,"depth for printing interfaces") DEFINE_bool(trace_normalization, false,"prints when objects are turned into dictionaries.") DEFINE_bool(trace_lazy, false,"trace lazy compilation") DEFINE_bool(collect_heap_spill_statistics, false,"report heap spill statistics along with heap_stats ""(requires heap_stats)") DEFINE_bool(trace_isolates, false,"trace isolate state changes") DEFINE_bool(log_state_changes, false,"Log state changes.") DEFINE_bool(regexp_possessive_quantifier, false,"enable possessive quantifier syntax for testing") DEFINE_bool(trace_regexp_bytecodes, false,"trace regexp bytecode execution") DEFINE_bool(trace_regexp_assembler, false,"trace regexp macro assembler calls.")#define FLAG DEFINE_bool(log, false,"Minimal logging (no API, code, GC, suspect, or handles samples).") DEFINE_bool(log_all, false,"Log all events to the log file.") DEFINE_bool(log_runtime, false,"Activate runtime system %Log call.") DEFINE_bool(log_api, false,"Log API events to the log file.") DEFINE_bool(log_code, false,"Log code events to the log file without profiling.") DEFINE_bool(log_gc, false,"Log heap samples on garbage collection for the hp2ps tool.") DEFINE_bool(log_handles, false,"Log global handle events.") DEFINE_bool(log_snapshot_positions, false,"log positions of (de)serialized objects in the snapshot.") DEFINE_bool(log_suspect, false,"Log suspect operations.") DEFINE_bool(prof, false,"Log statistical profiling information (implies --log-code).") DEFINE_bool(prof_auto, true,"Used with --prof, starts profiling automatically") DEFINE_bool(prof_lazy, false,"Used with --prof, only does sampling and logging"" when profiler is active (implies --noprof_auto).") DEFINE_bool(prof_browser_mode, true,"Used with --prof, turns on browser-compatible mode for profiling.") DEFINE_bool(log_regexp, false,"Log regular expression execution.") DEFINE_bool(sliding_state_window, false,"Update sliding state window counters.") DEFINE_string(logfile,"v8.log","Specify the name of the log file.") DEFINE_bool(ll_prof, false,"Enable low-level linux profiler.")#define FLAG DEFINE_bool(trace_elements_transitions, false,"trace elements transitions") DEFINE_bool(print_code_stubs, false,"print code stubs") DEFINE_bool(test_secondary_stub_cache, false,"test secondary stub cache by disabling the primary one") DEFINE_bool(test_primary_stub_cache, false,"test primary stub cache by disabling the secondary one") DEFINE_bool(print_code, false,"print generated code") DEFINE_bool(print_opt_code, false,"print optimized code") DEFINE_bool(print_unopt_code, false,"print unoptimized code before ""printing optimized code based on it") DEFINE_bool(print_code_verbose, false,"print more information for code") DEFINE_bool(print_builtin_code, false,"print generated code for builtins")#47"/Users/thlorenz/dev/dx/v8-perf/build/v8/src/flags.cc"2 namespace{struct Flag{enum FlagType{TYPE_BOOL, TYPE_INT, TYPE_FLOAT, TYPE_STRING, TYPE_ARGS} name
Definition: flags.cc:1349

Definition at line 665 of file objects.h.

#define DECL_INDEX (   name)    k##name,

Definition at line 3514 of file objects.h.

#define DECLARE_ENUM (   enum_item,
  ignore1,
  ignore2 
)    enum_item,

Definition at line 8657 of file objects.h.

#define DECLARE_FUNCTION_ID (   ignored1,
  ignore2,
  name 
)    k##name,

Definition at line 5202 of file objects.h.

#define DECLARE_STRUCT_PREDICATE (   NAME,
  Name,
  name 
)    inline bool Is##Name();

Definition at line 853 of file objects.h.

#define DEFINE_ELEMENT_ACCESSORS (   name,
  type 
)
Value:
type* name() { \
return type::cast(get(k##name##Index)); \
} \
void Set##name(type* value) { \
set(k##name##Index, value); \
}
v8::internal::name
value format" "after each garbage collection") DEFINE_bool(print_cumulative_gc_stat, false, "print cumulative GC statistics in name=value format on exit") DEFINE_bool(trace_gc_verbose, false, "print more details following each garbage collection") DEFINE_bool(trace_fragmentation, false, "report fragmentation for old pointer and data pages") DEFINE_bool(collect_maps, true, "garbage collect maps from which no objects can be reached") DEFINE_bool(flush_code, true, "flush code that we expect not to use again before full gc") DEFINE_bool(incremental_marking, true, "use incremental marking") DEFINE_bool(incremental_marking_steps, true, "do incremental marking steps") DEFINE_bool(trace_incremental_marking, false, "trace progress of the incremental marking") DEFINE_bool(use_idle_notification, true, "Use idle notification to reduce memory footprint.") DEFINE_bool(send_idle_notification, false, "Send idle notifcation between stress runs.") DEFINE_bool(use_ic, true, "use inline caching") DEFINE_bool(native_code_counters, false, "generate extra code for manipulating stats counters") DEFINE_bool(always_compact, false, "Perform compaction on every full GC") DEFINE_bool(lazy_sweeping, true, "Use lazy sweeping for old pointer and data spaces") DEFINE_bool(never_compact, false, "Never perform compaction on full GC-testing only") DEFINE_bool(compact_code_space, true, "Compact code space on full non-incremental collections") DEFINE_bool(cleanup_code_caches_at_gc, true, "Flush inline caches prior to mark compact collection and" "flush code caches in maps during mark compact cycle.") DEFINE_int(random_seed, 0, "Default seed for initializing random generator" "(0, the default, means to use system random).") DEFINE_bool(use_verbose_printer, true, "allows verbose printing") DEFINE_bool(allow_natives_syntax, false, "allow natives syntax") DEFINE_bool(trace_sim, false, "Trace simulator execution") DEFINE_bool(check_icache, false, "Check icache flushes in ARM and MIPS simulator") DEFINE_int(stop_sim_at, 0, "Simulator stop after x number of instructions") DEFINE_int(sim_stack_alignment, 8, "Stack alingment in bytes in simulator(4 or 8, 8 is default)") DEFINE_bool(trace_exception, false, "print stack trace when throwing exceptions") DEFINE_bool(preallocate_message_memory, false, "preallocate some memory to build stack traces.") DEFINE_bool(randomize_hashes, true, "randomize hashes to avoid predictable hash collisions" "(with snapshots this option cannot override the baked-in seed)") DEFINE_int(hash_seed, 0, "Fixed seed to use to hash property keys(0 means random)" "(with snapshots this option cannot override the baked-in seed)") DEFINE_bool(preemption, false, "activate a 100ms timer that switches between V8 threads") DEFINE_bool(regexp_optimization, true, "generate optimized regexp code") DEFINE_bool(testing_bool_flag, true, "testing_bool_flag") DEFINE_int(testing_int_flag, 13, "testing_int_flag") DEFINE_float(testing_float_flag, 2.5, "float-flag") DEFINE_string(testing_string_flag, "Hello, world!", "string-flag") DEFINE_int(testing_prng_seed, 42, "Seed used for threading test randomness") DEFINE_string(testing_serialization_file, "/tmp/serdes", "file in which to serialize heap") DEFINE_bool(help, false, "Print usage message, including flags, on console") DEFINE_bool(dump_counters, false, "Dump counters on exit") DEFINE_string(map_counters, "", "Map counters to a file") DEFINE_args(js_arguments, JSARGUMENTS_INIT, "Pass all remaining arguments to the script.Alias for\"--\".") DEFINE_bool(debug_compile_events, true,"Enable debugger compile events") DEFINE_bool(debug_script_collected_events, true,"Enable debugger script collected events") DEFINE_bool(gdbjit, false,"enable GDBJIT interface (disables compacting GC)") DEFINE_bool(gdbjit_full, false,"enable GDBJIT interface for all code objects") DEFINE_bool(gdbjit_dump, false,"dump elf objects with debug info to disk") DEFINE_string(gdbjit_dump_filter,"","dump only objects containing this substring") DEFINE_bool(force_marking_deque_overflows, false,"force overflows of marking deque by reducing it's size ""to 64 words") DEFINE_bool(stress_compaction, false,"stress the GC compactor to flush out bugs (implies ""--force_marking_deque_overflows)")#define FLAG DEFINE_bool(enable_slow_asserts, false,"enable asserts that are slow to execute") DEFINE_bool(trace_codegen, false,"print name of functions for which code is generated") DEFINE_bool(print_source, false,"pretty print source code") DEFINE_bool(print_builtin_source, false,"pretty print source code for builtins") DEFINE_bool(print_ast, false,"print source AST") DEFINE_bool(print_builtin_ast, false,"print source AST for builtins") DEFINE_string(stop_at,"","function name where to insert a breakpoint") DEFINE_bool(print_builtin_scopes, false,"print scopes for builtins") DEFINE_bool(print_scopes, false,"print scopes") DEFINE_bool(trace_contexts, false,"trace contexts operations") DEFINE_bool(gc_greedy, false,"perform GC prior to some allocations") DEFINE_bool(gc_verbose, false,"print stuff during garbage collection") DEFINE_bool(heap_stats, false,"report heap statistics before and after GC") DEFINE_bool(code_stats, false,"report code statistics after GC") DEFINE_bool(verify_heap, false,"verify heap pointers before and after GC") DEFINE_bool(print_handles, false,"report handles after GC") DEFINE_bool(print_global_handles, false,"report global handles after GC") DEFINE_bool(trace_ic, false,"trace inline cache state transitions") DEFINE_bool(print_interfaces, false,"print interfaces") DEFINE_bool(print_interface_details, false,"print interface inference details") DEFINE_int(print_interface_depth, 5,"depth for printing interfaces") DEFINE_bool(trace_normalization, false,"prints when objects are turned into dictionaries.") DEFINE_bool(trace_lazy, false,"trace lazy compilation") DEFINE_bool(collect_heap_spill_statistics, false,"report heap spill statistics along with heap_stats ""(requires heap_stats)") DEFINE_bool(trace_isolates, false,"trace isolate state changes") DEFINE_bool(log_state_changes, false,"Log state changes.") DEFINE_bool(regexp_possessive_quantifier, false,"enable possessive quantifier syntax for testing") DEFINE_bool(trace_regexp_bytecodes, false,"trace regexp bytecode execution") DEFINE_bool(trace_regexp_assembler, false,"trace regexp macro assembler calls.")#define FLAG DEFINE_bool(log, false,"Minimal logging (no API, code, GC, suspect, or handles samples).") DEFINE_bool(log_all, false,"Log all events to the log file.") DEFINE_bool(log_runtime, false,"Activate runtime system %Log call.") DEFINE_bool(log_api, false,"Log API events to the log file.") DEFINE_bool(log_code, false,"Log code events to the log file without profiling.") DEFINE_bool(log_gc, false,"Log heap samples on garbage collection for the hp2ps tool.") DEFINE_bool(log_handles, false,"Log global handle events.") DEFINE_bool(log_snapshot_positions, false,"log positions of (de)serialized objects in the snapshot.") DEFINE_bool(log_suspect, false,"Log suspect operations.") DEFINE_bool(prof, false,"Log statistical profiling information (implies --log-code).") DEFINE_bool(prof_auto, true,"Used with --prof, starts profiling automatically") DEFINE_bool(prof_lazy, false,"Used with --prof, only does sampling and logging"" when profiler is active (implies --noprof_auto).") DEFINE_bool(prof_browser_mode, true,"Used with --prof, turns on browser-compatible mode for profiling.") DEFINE_bool(log_regexp, false,"Log regular expression execution.") DEFINE_bool(sliding_state_window, false,"Update sliding state window counters.") DEFINE_string(logfile,"v8.log","Specify the name of the log file.") DEFINE_bool(ll_prof, false,"Enable low-level linux profiler.")#define FLAG DEFINE_bool(trace_elements_transitions, false,"trace elements transitions") DEFINE_bool(print_code_stubs, false,"print code stubs") DEFINE_bool(test_secondary_stub_cache, false,"test secondary stub cache by disabling the primary one") DEFINE_bool(test_primary_stub_cache, false,"test primary stub cache by disabling the secondary one") DEFINE_bool(print_code, false,"print generated code") DEFINE_bool(print_opt_code, false,"print optimized code") DEFINE_bool(print_unopt_code, false,"print unoptimized code before ""printing optimized code based on it") DEFINE_bool(print_code_verbose, false,"print more information for code") DEFINE_bool(print_builtin_code, false,"print generated code for builtins")#43"/Users/thlorenz/dev/dx/v8-perf/build/v8/src/flags.cc"2#define FLAG_MODE_DEFINE_DEFAULTS#1"/Users/thlorenz/dev/dx/v8-perf/build/v8/src/flag-definitions.h"1#define FLAG_FULL(ftype, ctype, nam, def, cmt)#define FLAG_READONLY(ftype, ctype, nam, def, cmt)#define DEFINE_implication(whenflag, thenflag)#define DEFINE_bool(nam, def, cmt)#define DEFINE_int(nam, def, cmt)#define DEFINE_float(nam, def, cmt)#define DEFINE_string(nam, def, cmt)#define DEFINE_args(nam, def, cmt)#define FLAG DEFINE_bool(use_strict, false,"enforce strict mode") DEFINE_bool(es5_readonly, false,"activate correct semantics for inheriting readonliness") DEFINE_bool(es52_globals, false,"activate new semantics for global var declarations") DEFINE_bool(harmony_typeof, false,"enable harmony semantics for typeof") DEFINE_bool(harmony_scoping, false,"enable harmony block scoping") DEFINE_bool(harmony_modules, false,"enable harmony modules (implies block scoping)") DEFINE_bool(harmony_proxies, false,"enable harmony proxies") DEFINE_bool(harmony_collections, false,"enable harmony collections (sets, maps, and weak maps)") DEFINE_bool(harmony, false,"enable all harmony features (except typeof)") DEFINE_implication(harmony, harmony_scoping) DEFINE_implication(harmony, harmony_modules) DEFINE_implication(harmony, harmony_proxies) DEFINE_implication(harmony, harmony_collections) DEFINE_implication(harmony_modules, harmony_scoping) DEFINE_bool(packed_arrays, false,"optimizes arrays that have no holes") DEFINE_bool(smi_only_arrays, true,"tracks arrays with only smi values") DEFINE_bool(clever_optimizations, true,"Optimize object size, Array shift, DOM strings and string +") DEFINE_bool(unbox_double_arrays, true,"automatically unbox arrays of doubles") DEFINE_bool(string_slices, true,"use string slices") DEFINE_bool(crankshaft, true,"use crankshaft") DEFINE_string(hydrogen_filter,"","optimization filter") DEFINE_bool(use_range, true,"use hydrogen range analysis") DEFINE_bool(eliminate_dead_phis, true,"eliminate dead phis") DEFINE_bool(use_gvn, true,"use hydrogen global value numbering") DEFINE_bool(use_canonicalizing, true,"use hydrogen instruction canonicalizing") DEFINE_bool(use_inlining, true,"use function inlining") DEFINE_int(max_inlined_source_size, 600,"maximum source size in bytes considered for a single inlining") DEFINE_int(max_inlined_nodes, 196,"maximum number of AST nodes considered for a single inlining") DEFINE_int(max_inlined_nodes_cumulative, 196,"maximum cumulative number of AST nodes considered for inlining") DEFINE_bool(loop_invariant_code_motion, true,"loop invariant code motion") DEFINE_bool(collect_megamorphic_maps_from_stub_cache, true,"crankshaft harvests type feedback from stub cache") DEFINE_bool(hydrogen_stats, false,"print statistics for hydrogen") DEFINE_bool(trace_hydrogen, false,"trace generated hydrogen to file") DEFINE_string(trace_phase,"Z","trace generated IR for specified phases") DEFINE_bool(trace_inlining, false,"trace inlining decisions") DEFINE_bool(trace_alloc, false,"trace register allocator") DEFINE_bool(trace_all_uses, false,"trace all use positions") DEFINE_bool(trace_range, false,"trace range analysis") DEFINE_bool(trace_gvn, false,"trace global value numbering") DEFINE_bool(trace_representation, false,"trace representation types") DEFINE_bool(stress_pointer_maps, false,"pointer map for every instruction") DEFINE_bool(stress_environments, false,"environment for every instruction") DEFINE_int(deopt_every_n_times, 0,"deoptimize every n times a deopt point is passed") DEFINE_bool(trap_on_deopt, false,"put a break point before deoptimizing") DEFINE_bool(deoptimize_uncommon_cases, true,"deoptimize uncommon cases") DEFINE_bool(polymorphic_inlining, true,"polymorphic inlining") DEFINE_bool(use_osr, true,"use on-stack replacement") DEFINE_bool(array_bounds_checks_elimination, false,"perform array bounds checks elimination") DEFINE_bool(array_index_dehoisting, false,"perform array index dehoisting") DEFINE_bool(trace_osr, false,"trace on-stack replacement") DEFINE_int(stress_runs, 0,"number of stress runs") DEFINE_bool(optimize_closures, true,"optimize closures") DEFINE_bool(inline_construct, true,"inline constructor calls") DEFINE_bool(inline_arguments, true,"inline functions with arguments object") DEFINE_int(loop_weight, 1,"loop weight for representation inference") DEFINE_bool(optimize_for_in, true,"optimize functions containing for-in loops") DEFINE_bool(experimental_profiler, true,"enable all profiler experiments") DEFINE_bool(watch_ic_patching, false,"profiler considers IC stability") DEFINE_int(frame_count, 1,"number of stack frames inspected by the profiler") DEFINE_bool(self_optimization, false,"primitive functions trigger their own optimization") DEFINE_bool(direct_self_opt, false,"call recompile stub directly when self-optimizing") DEFINE_bool(retry_self_opt, false,"re-try self-optimization if it failed") DEFINE_bool(count_based_interrupts, false,"trigger profiler ticks based on counting instead of timing") DEFINE_bool(interrupt_at_exit, false,"insert an interrupt check at function exit") DEFINE_bool(weighted_back_edges, false,"weight back edges by jump distance for interrupt triggering") DEFINE_int(interrupt_budget, 5900,"execution budget before interrupt is triggered") DEFINE_int(type_info_threshold, 15,"percentage of ICs that must have type info to allow optimization") DEFINE_int(self_opt_count, 130,"call count before self-optimization") DEFINE_implication(experimental_profiler, watch_ic_patching) DEFINE_implication(experimental_profiler, self_optimization) DEFINE_implication(experimental_profiler, retry_self_opt) DEFINE_implication(experimental_profiler, count_based_interrupts) DEFINE_implication(experimental_profiler, interrupt_at_exit) DEFINE_implication(experimental_profiler, weighted_back_edges) DEFINE_bool(trace_opt_verbose, false,"extra verbose compilation tracing") DEFINE_implication(trace_opt_verbose, trace_opt) DEFINE_bool(debug_code, false,"generate extra code (assertions) for debugging") DEFINE_bool(code_comments, false,"emit comments in code disassembly") DEFINE_bool(enable_sse2, true,"enable use of SSE2 instructions if available") DEFINE_bool(enable_sse3, true,"enable use of SSE3 instructions if available") DEFINE_bool(enable_sse4_1, true,"enable use of SSE4.1 instructions if available") DEFINE_bool(enable_cmov, true,"enable use of CMOV instruction if available") DEFINE_bool(enable_rdtsc, true,"enable use of RDTSC instruction if available") DEFINE_bool(enable_sahf, true,"enable use of SAHF instruction if available (X64 only)") DEFINE_bool(enable_vfp3, true,"enable use of VFP3 instructions if available - this implies ""enabling ARMv7 instructions (ARM only)") DEFINE_bool(enable_armv7, true,"enable use of ARMv7 instructions if available (ARM only)") DEFINE_bool(enable_fpu, true,"enable use of MIPS FPU instructions if available (MIPS only)") DEFINE_string(expose_natives_as, NULL,"expose natives in global object") DEFINE_string(expose_debug_as, NULL,"expose debug in global object") DEFINE_bool(expose_gc, false,"expose gc extension") DEFINE_bool(expose_externalize_string, false,"expose externalize string extension") DEFINE_int(stack_trace_limit, 10,"number of stack frames to capture") DEFINE_bool(builtins_in_stack_traces, false,"show built-in functions in stack traces") DEFINE_bool(disable_native_files, false,"disable builtin natives files") DEFINE_bool(inline_new, true,"use fast inline allocation") DEFINE_bool(stack_trace_on_abort, true,"print a stack trace if an assertion failure occurs") DEFINE_bool(trace, false,"trace function calls") DEFINE_bool(mask_constants_with_cookie, true,"use random jit cookie to mask large constants") DEFINE_bool(lazy, true,"use lazy compilation") DEFINE_bool(trace_opt, false,"trace lazy optimization") DEFINE_bool(trace_opt_stats, false,"trace lazy optimization statistics") DEFINE_bool(opt, true,"use adaptive optimizations") DEFINE_bool(always_opt, false,"always try to optimize functions") DEFINE_bool(prepare_always_opt, false,"prepare for turning on always opt") DEFINE_bool(trace_deopt, false,"trace deoptimization") DEFINE_int(min_preparse_length, 1024,"minimum length for automatic enable preparsing") DEFINE_bool(always_full_compiler, false,"try to use the dedicated run-once backend for all code") DEFINE_bool(trace_bailout, false,"print reasons for falling back to using the classic V8 backend") DEFINE_bool(compilation_cache, true,"enable compilation cache") DEFINE_bool(cache_prototype_transitions, true,"cache prototype transitions") DEFINE_bool(trace_debug_json, false,"trace debugging JSON request/response") DEFINE_bool(debugger_auto_break, true,"automatically set the debug break flag when debugger commands are ""in the queue") DEFINE_bool(enable_liveedit, true,"enable liveedit experimental feature") DEFINE_bool(break_on_abort, true,"always cause a debug break before aborting") DEFINE_int(stack_size, kPointerSize *123,"default size of stack region v8 is allowed to use (in kBytes)") DEFINE_int(max_stack_trace_source_length, 300,"maximum length of function source code printed in a stack trace.") DEFINE_bool(always_inline_smi_code, false,"always inline smi code in non-opt code") DEFINE_int(max_new_space_size, 0,"max size of the new generation (in kBytes)") DEFINE_int(max_old_space_size, 0,"max size of the old generation (in Mbytes)") DEFINE_int(max_executable_size, 0,"max size of executable memory (in Mbytes)") DEFINE_bool(gc_global, false,"always perform global GCs") DEFINE_int(gc_interval,-1,"garbage collect after <n> allocations") DEFINE_bool(trace_gc, false,"print one trace line following each garbage collection") DEFINE_bool(trace_gc_nvp, false,"print one detailed trace line in name=value format ""after each garbage collection") DEFINE_bool(print_cumulative_gc_stat, false,"print cumulative GC statistics in name=value format on exit") DEFINE_bool(trace_gc_verbose, false,"print more details following each garbage collection") DEFINE_bool(trace_fragmentation, false,"report fragmentation for old pointer and data pages") DEFINE_bool(collect_maps, true,"garbage collect maps from which no objects can be reached") DEFINE_bool(flush_code, true,"flush code that we expect not to use again before full gc") DEFINE_bool(incremental_marking, true,"use incremental marking") DEFINE_bool(incremental_marking_steps, true,"do incremental marking steps") DEFINE_bool(trace_incremental_marking, false,"trace progress of the incremental marking") DEFINE_bool(use_idle_notification, true,"Use idle notification to reduce memory footprint.") DEFINE_bool(send_idle_notification, false,"Send idle notifcation between stress runs.") DEFINE_bool(use_ic, true,"use inline caching") DEFINE_bool(native_code_counters, false,"generate extra code for manipulating stats counters") DEFINE_bool(always_compact, false,"Perform compaction on every full GC") DEFINE_bool(lazy_sweeping, true,"Use lazy sweeping for old pointer and data spaces") DEFINE_bool(never_compact, false,"Never perform compaction on full GC - testing only") DEFINE_bool(compact_code_space, true,"Compact code space on full non-incremental collections") DEFINE_bool(cleanup_code_caches_at_gc, true,"Flush inline caches prior to mark compact collection and ""flush code caches in maps during mark compact cycle.") DEFINE_int(random_seed, 0,"Default seed for initializing random generator ""(0, the default, means to use system random).") DEFINE_bool(use_verbose_printer, true,"allows verbose printing") DEFINE_bool(allow_natives_syntax, false,"allow natives syntax") DEFINE_bool(trace_sim, false,"Trace simulator execution") DEFINE_bool(check_icache, false,"Check icache flushes in ARM and MIPS simulator") DEFINE_int(stop_sim_at, 0,"Simulator stop after x number of instructions") DEFINE_int(sim_stack_alignment, 8,"Stack alingment in bytes in simulator (4 or 8, 8 is default)") DEFINE_bool(trace_exception, false,"print stack trace when throwing exceptions") DEFINE_bool(preallocate_message_memory, false,"preallocate some memory to build stack traces.") DEFINE_bool(randomize_hashes, true,"randomize hashes to avoid predictable hash collisions ""(with snapshots this option cannot override the baked-in seed)") DEFINE_int(hash_seed, 0,"Fixed seed to use to hash property keys (0 means random)""(with snapshots this option cannot override the baked-in seed)") DEFINE_bool(preemption, false,"activate a 100ms timer that switches between V8 threads") DEFINE_bool(regexp_optimization, true,"generate optimized regexp code") DEFINE_bool(testing_bool_flag, true,"testing_bool_flag") DEFINE_int(testing_int_flag, 13,"testing_int_flag") DEFINE_float(testing_float_flag, 2.5,"float-flag") DEFINE_string(testing_string_flag,"Hello, world!","string-flag") DEFINE_int(testing_prng_seed, 42,"Seed used for threading test randomness") DEFINE_string(testing_serialization_file,"/tmp/serdes","file in which to serialize heap") DEFINE_bool(help, false,"Print usage message, including flags, on console") DEFINE_bool(dump_counters, false,"Dump counters on exit") DEFINE_string(map_counters,"","Map counters to a file") DEFINE_args(js_arguments, JSARGUMENTS_INIT,"Pass all remaining arguments to the script. Alias for \"--\".") DEFINE_bool(debug_compile_events, true,"Enable debugger compile events") DEFINE_bool(debug_script_collected_events, true,"Enable debugger script collected events") DEFINE_bool(gdbjit, false,"enable GDBJIT interface (disables compacting GC)") DEFINE_bool(gdbjit_full, false,"enable GDBJIT interface for all code objects") DEFINE_bool(gdbjit_dump, false,"dump elf objects with debug info to disk") DEFINE_string(gdbjit_dump_filter,"","dump only objects containing this substring") DEFINE_bool(force_marking_deque_overflows, false,"force overflows of marking deque by reducing it's size ""to 64 words") DEFINE_bool(stress_compaction, false,"stress the GC compactor to flush out bugs (implies ""--force_marking_deque_overflows)")#define FLAG DEFINE_bool(enable_slow_asserts, false,"enable asserts that are slow to execute") DEFINE_bool(trace_codegen, false,"print name of functions for which code is generated") DEFINE_bool(print_source, false,"pretty print source code") DEFINE_bool(print_builtin_source, false,"pretty print source code for builtins") DEFINE_bool(print_ast, false,"print source AST") DEFINE_bool(print_builtin_ast, false,"print source AST for builtins") DEFINE_string(stop_at,"","function name where to insert a breakpoint") DEFINE_bool(print_builtin_scopes, false,"print scopes for builtins") DEFINE_bool(print_scopes, false,"print scopes") DEFINE_bool(trace_contexts, false,"trace contexts operations") DEFINE_bool(gc_greedy, false,"perform GC prior to some allocations") DEFINE_bool(gc_verbose, false,"print stuff during garbage collection") DEFINE_bool(heap_stats, false,"report heap statistics before and after GC") DEFINE_bool(code_stats, false,"report code statistics after GC") DEFINE_bool(verify_heap, false,"verify heap pointers before and after GC") DEFINE_bool(print_handles, false,"report handles after GC") DEFINE_bool(print_global_handles, false,"report global handles after GC") DEFINE_bool(trace_ic, false,"trace inline cache state transitions") DEFINE_bool(print_interfaces, false,"print interfaces") DEFINE_bool(print_interface_details, false,"print interface inference details") DEFINE_int(print_interface_depth, 5,"depth for printing interfaces") DEFINE_bool(trace_normalization, false,"prints when objects are turned into dictionaries.") DEFINE_bool(trace_lazy, false,"trace lazy compilation") DEFINE_bool(collect_heap_spill_statistics, false,"report heap spill statistics along with heap_stats ""(requires heap_stats)") DEFINE_bool(trace_isolates, false,"trace isolate state changes") DEFINE_bool(log_state_changes, false,"Log state changes.") DEFINE_bool(regexp_possessive_quantifier, false,"enable possessive quantifier syntax for testing") DEFINE_bool(trace_regexp_bytecodes, false,"trace regexp bytecode execution") DEFINE_bool(trace_regexp_assembler, false,"trace regexp macro assembler calls.")#define FLAG DEFINE_bool(log, false,"Minimal logging (no API, code, GC, suspect, or handles samples).") DEFINE_bool(log_all, false,"Log all events to the log file.") DEFINE_bool(log_runtime, false,"Activate runtime system %Log call.") DEFINE_bool(log_api, false,"Log API events to the log file.") DEFINE_bool(log_code, false,"Log code events to the log file without profiling.") DEFINE_bool(log_gc, false,"Log heap samples on garbage collection for the hp2ps tool.") DEFINE_bool(log_handles, false,"Log global handle events.") DEFINE_bool(log_snapshot_positions, false,"log positions of (de)serialized objects in the snapshot.") DEFINE_bool(log_suspect, false,"Log suspect operations.") DEFINE_bool(prof, false,"Log statistical profiling information (implies --log-code).") DEFINE_bool(prof_auto, true,"Used with --prof, starts profiling automatically") DEFINE_bool(prof_lazy, false,"Used with --prof, only does sampling and logging"" when profiler is active (implies --noprof_auto).") DEFINE_bool(prof_browser_mode, true,"Used with --prof, turns on browser-compatible mode for profiling.") DEFINE_bool(log_regexp, false,"Log regular expression execution.") DEFINE_bool(sliding_state_window, false,"Update sliding state window counters.") DEFINE_string(logfile,"v8.log","Specify the name of the log file.") DEFINE_bool(ll_prof, false,"Enable low-level linux profiler.")#define FLAG DEFINE_bool(trace_elements_transitions, false,"trace elements transitions") DEFINE_bool(print_code_stubs, false,"print code stubs") DEFINE_bool(test_secondary_stub_cache, false,"test secondary stub cache by disabling the primary one") DEFINE_bool(test_primary_stub_cache, false,"test primary stub cache by disabling the secondary one") DEFINE_bool(print_code, false,"print generated code") DEFINE_bool(print_opt_code, false,"print optimized code") DEFINE_bool(print_unopt_code, false,"print unoptimized code before ""printing optimized code based on it") DEFINE_bool(print_code_verbose, false,"print more information for code") DEFINE_bool(print_builtin_code, false,"print generated code for builtins")#47"/Users/thlorenz/dev/dx/v8-perf/build/v8/src/flags.cc"2 namespace{struct Flag{enum FlagType{TYPE_BOOL, TYPE_INT, TYPE_FLOAT, TYPE_STRING, TYPE_ARGS} name
Definition: flags.cc:1349
v8::internal::type
FlagType type() const
Definition: flags.cc:1358

Definition at line 4026 of file objects.h.

#define DEFINE_ENTRY_ACCESSORS (   name,
  type 
)
Value:
type* name(int i) { \
return type::cast(get(IndexForEntry(i) + k##name##Offset)); \
} \
void Set##name(int i, type* value) { \
set(IndexForEntry(i) + k##name##Offset, value); \
}
v8::internal::name
value format" "after each garbage collection") DEFINE_bool(print_cumulative_gc_stat, false, "print cumulative GC statistics in name=value format on exit") DEFINE_bool(trace_gc_verbose, false, "print more details following each garbage collection") DEFINE_bool(trace_fragmentation, false, "report fragmentation for old pointer and data pages") DEFINE_bool(collect_maps, true, "garbage collect maps from which no objects can be reached") DEFINE_bool(flush_code, true, "flush code that we expect not to use again before full gc") DEFINE_bool(incremental_marking, true, "use incremental marking") DEFINE_bool(incremental_marking_steps, true, "do incremental marking steps") DEFINE_bool(trace_incremental_marking, false, "trace progress of the incremental marking") DEFINE_bool(use_idle_notification, true, "Use idle notification to reduce memory footprint.") DEFINE_bool(send_idle_notification, false, "Send idle notifcation between stress runs.") DEFINE_bool(use_ic, true, "use inline caching") DEFINE_bool(native_code_counters, false, "generate extra code for manipulating stats counters") DEFINE_bool(always_compact, false, "Perform compaction on every full GC") DEFINE_bool(lazy_sweeping, true, "Use lazy sweeping for old pointer and data spaces") DEFINE_bool(never_compact, false, "Never perform compaction on full GC-testing only") DEFINE_bool(compact_code_space, true, "Compact code space on full non-incremental collections") DEFINE_bool(cleanup_code_caches_at_gc, true, "Flush inline caches prior to mark compact collection and" "flush code caches in maps during mark compact cycle.") DEFINE_int(random_seed, 0, "Default seed for initializing random generator" "(0, the default, means to use system random).") DEFINE_bool(use_verbose_printer, true, "allows verbose printing") DEFINE_bool(allow_natives_syntax, false, "allow natives syntax") DEFINE_bool(trace_sim, false, "Trace simulator execution") DEFINE_bool(check_icache, false, "Check icache flushes in ARM and MIPS simulator") DEFINE_int(stop_sim_at, 0, "Simulator stop after x number of instructions") DEFINE_int(sim_stack_alignment, 8, "Stack alingment in bytes in simulator(4 or 8, 8 is default)") DEFINE_bool(trace_exception, false, "print stack trace when throwing exceptions") DEFINE_bool(preallocate_message_memory, false, "preallocate some memory to build stack traces.") DEFINE_bool(randomize_hashes, true, "randomize hashes to avoid predictable hash collisions" "(with snapshots this option cannot override the baked-in seed)") DEFINE_int(hash_seed, 0, "Fixed seed to use to hash property keys(0 means random)" "(with snapshots this option cannot override the baked-in seed)") DEFINE_bool(preemption, false, "activate a 100ms timer that switches between V8 threads") DEFINE_bool(regexp_optimization, true, "generate optimized regexp code") DEFINE_bool(testing_bool_flag, true, "testing_bool_flag") DEFINE_int(testing_int_flag, 13, "testing_int_flag") DEFINE_float(testing_float_flag, 2.5, "float-flag") DEFINE_string(testing_string_flag, "Hello, world!", "string-flag") DEFINE_int(testing_prng_seed, 42, "Seed used for threading test randomness") DEFINE_string(testing_serialization_file, "/tmp/serdes", "file in which to serialize heap") DEFINE_bool(help, false, "Print usage message, including flags, on console") DEFINE_bool(dump_counters, false, "Dump counters on exit") DEFINE_string(map_counters, "", "Map counters to a file") DEFINE_args(js_arguments, JSARGUMENTS_INIT, "Pass all remaining arguments to the script.Alias for\"--\".") DEFINE_bool(debug_compile_events, true,"Enable debugger compile events") DEFINE_bool(debug_script_collected_events, true,"Enable debugger script collected events") DEFINE_bool(gdbjit, false,"enable GDBJIT interface (disables compacting GC)") DEFINE_bool(gdbjit_full, false,"enable GDBJIT interface for all code objects") DEFINE_bool(gdbjit_dump, false,"dump elf objects with debug info to disk") DEFINE_string(gdbjit_dump_filter,"","dump only objects containing this substring") DEFINE_bool(force_marking_deque_overflows, false,"force overflows of marking deque by reducing it's size ""to 64 words") DEFINE_bool(stress_compaction, false,"stress the GC compactor to flush out bugs (implies ""--force_marking_deque_overflows)")#define FLAG DEFINE_bool(enable_slow_asserts, false,"enable asserts that are slow to execute") DEFINE_bool(trace_codegen, false,"print name of functions for which code is generated") DEFINE_bool(print_source, false,"pretty print source code") DEFINE_bool(print_builtin_source, false,"pretty print source code for builtins") DEFINE_bool(print_ast, false,"print source AST") DEFINE_bool(print_builtin_ast, false,"print source AST for builtins") DEFINE_string(stop_at,"","function name where to insert a breakpoint") DEFINE_bool(print_builtin_scopes, false,"print scopes for builtins") DEFINE_bool(print_scopes, false,"print scopes") DEFINE_bool(trace_contexts, false,"trace contexts operations") DEFINE_bool(gc_greedy, false,"perform GC prior to some allocations") DEFINE_bool(gc_verbose, false,"print stuff during garbage collection") DEFINE_bool(heap_stats, false,"report heap statistics before and after GC") DEFINE_bool(code_stats, false,"report code statistics after GC") DEFINE_bool(verify_heap, false,"verify heap pointers before and after GC") DEFINE_bool(print_handles, false,"report handles after GC") DEFINE_bool(print_global_handles, false,"report global handles after GC") DEFINE_bool(trace_ic, false,"trace inline cache state transitions") DEFINE_bool(print_interfaces, false,"print interfaces") DEFINE_bool(print_interface_details, false,"print interface inference details") DEFINE_int(print_interface_depth, 5,"depth for printing interfaces") DEFINE_bool(trace_normalization, false,"prints when objects are turned into dictionaries.") DEFINE_bool(trace_lazy, false,"trace lazy compilation") DEFINE_bool(collect_heap_spill_statistics, false,"report heap spill statistics along with heap_stats ""(requires heap_stats)") DEFINE_bool(trace_isolates, false,"trace isolate state changes") DEFINE_bool(log_state_changes, false,"Log state changes.") DEFINE_bool(regexp_possessive_quantifier, false,"enable possessive quantifier syntax for testing") DEFINE_bool(trace_regexp_bytecodes, false,"trace regexp bytecode execution") DEFINE_bool(trace_regexp_assembler, false,"trace regexp macro assembler calls.")#define FLAG DEFINE_bool(log, false,"Minimal logging (no API, code, GC, suspect, or handles samples).") DEFINE_bool(log_all, false,"Log all events to the log file.") DEFINE_bool(log_runtime, false,"Activate runtime system %Log call.") DEFINE_bool(log_api, false,"Log API events to the log file.") DEFINE_bool(log_code, false,"Log code events to the log file without profiling.") DEFINE_bool(log_gc, false,"Log heap samples on garbage collection for the hp2ps tool.") DEFINE_bool(log_handles, false,"Log global handle events.") DEFINE_bool(log_snapshot_positions, false,"log positions of (de)serialized objects in the snapshot.") DEFINE_bool(log_suspect, false,"Log suspect operations.") DEFINE_bool(prof, false,"Log statistical profiling information (implies --log-code).") DEFINE_bool(prof_auto, true,"Used with --prof, starts profiling automatically") DEFINE_bool(prof_lazy, false,"Used with --prof, only does sampling and logging"" when profiler is active (implies --noprof_auto).") DEFINE_bool(prof_browser_mode, true,"Used with --prof, turns on browser-compatible mode for profiling.") DEFINE_bool(log_regexp, false,"Log regular expression execution.") DEFINE_bool(sliding_state_window, false,"Update sliding state window counters.") DEFINE_string(logfile,"v8.log","Specify the name of the log file.") DEFINE_bool(ll_prof, false,"Enable low-level linux profiler.")#define FLAG DEFINE_bool(trace_elements_transitions, false,"trace elements transitions") DEFINE_bool(print_code_stubs, false,"print code stubs") DEFINE_bool(test_secondary_stub_cache, false,"test secondary stub cache by disabling the primary one") DEFINE_bool(test_primary_stub_cache, false,"test primary stub cache by disabling the secondary one") DEFINE_bool(print_code, false,"print generated code") DEFINE_bool(print_opt_code, false,"print optimized code") DEFINE_bool(print_unopt_code, false,"print unoptimized code before ""printing optimized code based on it") DEFINE_bool(print_code_verbose, false,"print more information for code") DEFINE_bool(print_builtin_code, false,"print generated code for builtins")#43"/Users/thlorenz/dev/dx/v8-perf/build/v8/src/flags.cc"2#define FLAG_MODE_DEFINE_DEFAULTS#1"/Users/thlorenz/dev/dx/v8-perf/build/v8/src/flag-definitions.h"1#define FLAG_FULL(ftype, ctype, nam, def, cmt)#define FLAG_READONLY(ftype, ctype, nam, def, cmt)#define DEFINE_implication(whenflag, thenflag)#define DEFINE_bool(nam, def, cmt)#define DEFINE_int(nam, def, cmt)#define DEFINE_float(nam, def, cmt)#define DEFINE_string(nam, def, cmt)#define DEFINE_args(nam, def, cmt)#define FLAG DEFINE_bool(use_strict, false,"enforce strict mode") DEFINE_bool(es5_readonly, false,"activate correct semantics for inheriting readonliness") DEFINE_bool(es52_globals, false,"activate new semantics for global var declarations") DEFINE_bool(harmony_typeof, false,"enable harmony semantics for typeof") DEFINE_bool(harmony_scoping, false,"enable harmony block scoping") DEFINE_bool(harmony_modules, false,"enable harmony modules (implies block scoping)") DEFINE_bool(harmony_proxies, false,"enable harmony proxies") DEFINE_bool(harmony_collections, false,"enable harmony collections (sets, maps, and weak maps)") DEFINE_bool(harmony, false,"enable all harmony features (except typeof)") DEFINE_implication(harmony, harmony_scoping) DEFINE_implication(harmony, harmony_modules) DEFINE_implication(harmony, harmony_proxies) DEFINE_implication(harmony, harmony_collections) DEFINE_implication(harmony_modules, harmony_scoping) DEFINE_bool(packed_arrays, false,"optimizes arrays that have no holes") DEFINE_bool(smi_only_arrays, true,"tracks arrays with only smi values") DEFINE_bool(clever_optimizations, true,"Optimize object size, Array shift, DOM strings and string +") DEFINE_bool(unbox_double_arrays, true,"automatically unbox arrays of doubles") DEFINE_bool(string_slices, true,"use string slices") DEFINE_bool(crankshaft, true,"use crankshaft") DEFINE_string(hydrogen_filter,"","optimization filter") DEFINE_bool(use_range, true,"use hydrogen range analysis") DEFINE_bool(eliminate_dead_phis, true,"eliminate dead phis") DEFINE_bool(use_gvn, true,"use hydrogen global value numbering") DEFINE_bool(use_canonicalizing, true,"use hydrogen instruction canonicalizing") DEFINE_bool(use_inlining, true,"use function inlining") DEFINE_int(max_inlined_source_size, 600,"maximum source size in bytes considered for a single inlining") DEFINE_int(max_inlined_nodes, 196,"maximum number of AST nodes considered for a single inlining") DEFINE_int(max_inlined_nodes_cumulative, 196,"maximum cumulative number of AST nodes considered for inlining") DEFINE_bool(loop_invariant_code_motion, true,"loop invariant code motion") DEFINE_bool(collect_megamorphic_maps_from_stub_cache, true,"crankshaft harvests type feedback from stub cache") DEFINE_bool(hydrogen_stats, false,"print statistics for hydrogen") DEFINE_bool(trace_hydrogen, false,"trace generated hydrogen to file") DEFINE_string(trace_phase,"Z","trace generated IR for specified phases") DEFINE_bool(trace_inlining, false,"trace inlining decisions") DEFINE_bool(trace_alloc, false,"trace register allocator") DEFINE_bool(trace_all_uses, false,"trace all use positions") DEFINE_bool(trace_range, false,"trace range analysis") DEFINE_bool(trace_gvn, false,"trace global value numbering") DEFINE_bool(trace_representation, false,"trace representation types") DEFINE_bool(stress_pointer_maps, false,"pointer map for every instruction") DEFINE_bool(stress_environments, false,"environment for every instruction") DEFINE_int(deopt_every_n_times, 0,"deoptimize every n times a deopt point is passed") DEFINE_bool(trap_on_deopt, false,"put a break point before deoptimizing") DEFINE_bool(deoptimize_uncommon_cases, true,"deoptimize uncommon cases") DEFINE_bool(polymorphic_inlining, true,"polymorphic inlining") DEFINE_bool(use_osr, true,"use on-stack replacement") DEFINE_bool(array_bounds_checks_elimination, false,"perform array bounds checks elimination") DEFINE_bool(array_index_dehoisting, false,"perform array index dehoisting") DEFINE_bool(trace_osr, false,"trace on-stack replacement") DEFINE_int(stress_runs, 0,"number of stress runs") DEFINE_bool(optimize_closures, true,"optimize closures") DEFINE_bool(inline_construct, true,"inline constructor calls") DEFINE_bool(inline_arguments, true,"inline functions with arguments object") DEFINE_int(loop_weight, 1,"loop weight for representation inference") DEFINE_bool(optimize_for_in, true,"optimize functions containing for-in loops") DEFINE_bool(experimental_profiler, true,"enable all profiler experiments") DEFINE_bool(watch_ic_patching, false,"profiler considers IC stability") DEFINE_int(frame_count, 1,"number of stack frames inspected by the profiler") DEFINE_bool(self_optimization, false,"primitive functions trigger their own optimization") DEFINE_bool(direct_self_opt, false,"call recompile stub directly when self-optimizing") DEFINE_bool(retry_self_opt, false,"re-try self-optimization if it failed") DEFINE_bool(count_based_interrupts, false,"trigger profiler ticks based on counting instead of timing") DEFINE_bool(interrupt_at_exit, false,"insert an interrupt check at function exit") DEFINE_bool(weighted_back_edges, false,"weight back edges by jump distance for interrupt triggering") DEFINE_int(interrupt_budget, 5900,"execution budget before interrupt is triggered") DEFINE_int(type_info_threshold, 15,"percentage of ICs that must have type info to allow optimization") DEFINE_int(self_opt_count, 130,"call count before self-optimization") DEFINE_implication(experimental_profiler, watch_ic_patching) DEFINE_implication(experimental_profiler, self_optimization) DEFINE_implication(experimental_profiler, retry_self_opt) DEFINE_implication(experimental_profiler, count_based_interrupts) DEFINE_implication(experimental_profiler, interrupt_at_exit) DEFINE_implication(experimental_profiler, weighted_back_edges) DEFINE_bool(trace_opt_verbose, false,"extra verbose compilation tracing") DEFINE_implication(trace_opt_verbose, trace_opt) DEFINE_bool(debug_code, false,"generate extra code (assertions) for debugging") DEFINE_bool(code_comments, false,"emit comments in code disassembly") DEFINE_bool(enable_sse2, true,"enable use of SSE2 instructions if available") DEFINE_bool(enable_sse3, true,"enable use of SSE3 instructions if available") DEFINE_bool(enable_sse4_1, true,"enable use of SSE4.1 instructions if available") DEFINE_bool(enable_cmov, true,"enable use of CMOV instruction if available") DEFINE_bool(enable_rdtsc, true,"enable use of RDTSC instruction if available") DEFINE_bool(enable_sahf, true,"enable use of SAHF instruction if available (X64 only)") DEFINE_bool(enable_vfp3, true,"enable use of VFP3 instructions if available - this implies ""enabling ARMv7 instructions (ARM only)") DEFINE_bool(enable_armv7, true,"enable use of ARMv7 instructions if available (ARM only)") DEFINE_bool(enable_fpu, true,"enable use of MIPS FPU instructions if available (MIPS only)") DEFINE_string(expose_natives_as, NULL,"expose natives in global object") DEFINE_string(expose_debug_as, NULL,"expose debug in global object") DEFINE_bool(expose_gc, false,"expose gc extension") DEFINE_bool(expose_externalize_string, false,"expose externalize string extension") DEFINE_int(stack_trace_limit, 10,"number of stack frames to capture") DEFINE_bool(builtins_in_stack_traces, false,"show built-in functions in stack traces") DEFINE_bool(disable_native_files, false,"disable builtin natives files") DEFINE_bool(inline_new, true,"use fast inline allocation") DEFINE_bool(stack_trace_on_abort, true,"print a stack trace if an assertion failure occurs") DEFINE_bool(trace, false,"trace function calls") DEFINE_bool(mask_constants_with_cookie, true,"use random jit cookie to mask large constants") DEFINE_bool(lazy, true,"use lazy compilation") DEFINE_bool(trace_opt, false,"trace lazy optimization") DEFINE_bool(trace_opt_stats, false,"trace lazy optimization statistics") DEFINE_bool(opt, true,"use adaptive optimizations") DEFINE_bool(always_opt, false,"always try to optimize functions") DEFINE_bool(prepare_always_opt, false,"prepare for turning on always opt") DEFINE_bool(trace_deopt, false,"trace deoptimization") DEFINE_int(min_preparse_length, 1024,"minimum length for automatic enable preparsing") DEFINE_bool(always_full_compiler, false,"try to use the dedicated run-once backend for all code") DEFINE_bool(trace_bailout, false,"print reasons for falling back to using the classic V8 backend") DEFINE_bool(compilation_cache, true,"enable compilation cache") DEFINE_bool(cache_prototype_transitions, true,"cache prototype transitions") DEFINE_bool(trace_debug_json, false,"trace debugging JSON request/response") DEFINE_bool(debugger_auto_break, true,"automatically set the debug break flag when debugger commands are ""in the queue") DEFINE_bool(enable_liveedit, true,"enable liveedit experimental feature") DEFINE_bool(break_on_abort, true,"always cause a debug break before aborting") DEFINE_int(stack_size, kPointerSize *123,"default size of stack region v8 is allowed to use (in kBytes)") DEFINE_int(max_stack_trace_source_length, 300,"maximum length of function source code printed in a stack trace.") DEFINE_bool(always_inline_smi_code, false,"always inline smi code in non-opt code") DEFINE_int(max_new_space_size, 0,"max size of the new generation (in kBytes)") DEFINE_int(max_old_space_size, 0,"max size of the old generation (in Mbytes)") DEFINE_int(max_executable_size, 0,"max size of executable memory (in Mbytes)") DEFINE_bool(gc_global, false,"always perform global GCs") DEFINE_int(gc_interval,-1,"garbage collect after <n> allocations") DEFINE_bool(trace_gc, false,"print one trace line following each garbage collection") DEFINE_bool(trace_gc_nvp, false,"print one detailed trace line in name=value format ""after each garbage collection") DEFINE_bool(print_cumulative_gc_stat, false,"print cumulative GC statistics in name=value format on exit") DEFINE_bool(trace_gc_verbose, false,"print more details following each garbage collection") DEFINE_bool(trace_fragmentation, false,"report fragmentation for old pointer and data pages") DEFINE_bool(collect_maps, true,"garbage collect maps from which no objects can be reached") DEFINE_bool(flush_code, true,"flush code that we expect not to use again before full gc") DEFINE_bool(incremental_marking, true,"use incremental marking") DEFINE_bool(incremental_marking_steps, true,"do incremental marking steps") DEFINE_bool(trace_incremental_marking, false,"trace progress of the incremental marking") DEFINE_bool(use_idle_notification, true,"Use idle notification to reduce memory footprint.") DEFINE_bool(send_idle_notification, false,"Send idle notifcation between stress runs.") DEFINE_bool(use_ic, true,"use inline caching") DEFINE_bool(native_code_counters, false,"generate extra code for manipulating stats counters") DEFINE_bool(always_compact, false,"Perform compaction on every full GC") DEFINE_bool(lazy_sweeping, true,"Use lazy sweeping for old pointer and data spaces") DEFINE_bool(never_compact, false,"Never perform compaction on full GC - testing only") DEFINE_bool(compact_code_space, true,"Compact code space on full non-incremental collections") DEFINE_bool(cleanup_code_caches_at_gc, true,"Flush inline caches prior to mark compact collection and ""flush code caches in maps during mark compact cycle.") DEFINE_int(random_seed, 0,"Default seed for initializing random generator ""(0, the default, means to use system random).") DEFINE_bool(use_verbose_printer, true,"allows verbose printing") DEFINE_bool(allow_natives_syntax, false,"allow natives syntax") DEFINE_bool(trace_sim, false,"Trace simulator execution") DEFINE_bool(check_icache, false,"Check icache flushes in ARM and MIPS simulator") DEFINE_int(stop_sim_at, 0,"Simulator stop after x number of instructions") DEFINE_int(sim_stack_alignment, 8,"Stack alingment in bytes in simulator (4 or 8, 8 is default)") DEFINE_bool(trace_exception, false,"print stack trace when throwing exceptions") DEFINE_bool(preallocate_message_memory, false,"preallocate some memory to build stack traces.") DEFINE_bool(randomize_hashes, true,"randomize hashes to avoid predictable hash collisions ""(with snapshots this option cannot override the baked-in seed)") DEFINE_int(hash_seed, 0,"Fixed seed to use to hash property keys (0 means random)""(with snapshots this option cannot override the baked-in seed)") DEFINE_bool(preemption, false,"activate a 100ms timer that switches between V8 threads") DEFINE_bool(regexp_optimization, true,"generate optimized regexp code") DEFINE_bool(testing_bool_flag, true,"testing_bool_flag") DEFINE_int(testing_int_flag, 13,"testing_int_flag") DEFINE_float(testing_float_flag, 2.5,"float-flag") DEFINE_string(testing_string_flag,"Hello, world!","string-flag") DEFINE_int(testing_prng_seed, 42,"Seed used for threading test randomness") DEFINE_string(testing_serialization_file,"/tmp/serdes","file in which to serialize heap") DEFINE_bool(help, false,"Print usage message, including flags, on console") DEFINE_bool(dump_counters, false,"Dump counters on exit") DEFINE_string(map_counters,"","Map counters to a file") DEFINE_args(js_arguments, JSARGUMENTS_INIT,"Pass all remaining arguments to the script. Alias for \"--\".") DEFINE_bool(debug_compile_events, true,"Enable debugger compile events") DEFINE_bool(debug_script_collected_events, true,"Enable debugger script collected events") DEFINE_bool(gdbjit, false,"enable GDBJIT interface (disables compacting GC)") DEFINE_bool(gdbjit_full, false,"enable GDBJIT interface for all code objects") DEFINE_bool(gdbjit_dump, false,"dump elf objects with debug info to disk") DEFINE_string(gdbjit_dump_filter,"","dump only objects containing this substring") DEFINE_bool(force_marking_deque_overflows, false,"force overflows of marking deque by reducing it's size ""to 64 words") DEFINE_bool(stress_compaction, false,"stress the GC compactor to flush out bugs (implies ""--force_marking_deque_overflows)")#define FLAG DEFINE_bool(enable_slow_asserts, false,"enable asserts that are slow to execute") DEFINE_bool(trace_codegen, false,"print name of functions for which code is generated") DEFINE_bool(print_source, false,"pretty print source code") DEFINE_bool(print_builtin_source, false,"pretty print source code for builtins") DEFINE_bool(print_ast, false,"print source AST") DEFINE_bool(print_builtin_ast, false,"print source AST for builtins") DEFINE_string(stop_at,"","function name where to insert a breakpoint") DEFINE_bool(print_builtin_scopes, false,"print scopes for builtins") DEFINE_bool(print_scopes, false,"print scopes") DEFINE_bool(trace_contexts, false,"trace contexts operations") DEFINE_bool(gc_greedy, false,"perform GC prior to some allocations") DEFINE_bool(gc_verbose, false,"print stuff during garbage collection") DEFINE_bool(heap_stats, false,"report heap statistics before and after GC") DEFINE_bool(code_stats, false,"report code statistics after GC") DEFINE_bool(verify_heap, false,"verify heap pointers before and after GC") DEFINE_bool(print_handles, false,"report handles after GC") DEFINE_bool(print_global_handles, false,"report global handles after GC") DEFINE_bool(trace_ic, false,"trace inline cache state transitions") DEFINE_bool(print_interfaces, false,"print interfaces") DEFINE_bool(print_interface_details, false,"print interface inference details") DEFINE_int(print_interface_depth, 5,"depth for printing interfaces") DEFINE_bool(trace_normalization, false,"prints when objects are turned into dictionaries.") DEFINE_bool(trace_lazy, false,"trace lazy compilation") DEFINE_bool(collect_heap_spill_statistics, false,"report heap spill statistics along with heap_stats ""(requires heap_stats)") DEFINE_bool(trace_isolates, false,"trace isolate state changes") DEFINE_bool(log_state_changes, false,"Log state changes.") DEFINE_bool(regexp_possessive_quantifier, false,"enable possessive quantifier syntax for testing") DEFINE_bool(trace_regexp_bytecodes, false,"trace regexp bytecode execution") DEFINE_bool(trace_regexp_assembler, false,"trace regexp macro assembler calls.")#define FLAG DEFINE_bool(log, false,"Minimal logging (no API, code, GC, suspect, or handles samples).") DEFINE_bool(log_all, false,"Log all events to the log file.") DEFINE_bool(log_runtime, false,"Activate runtime system %Log call.") DEFINE_bool(log_api, false,"Log API events to the log file.") DEFINE_bool(log_code, false,"Log code events to the log file without profiling.") DEFINE_bool(log_gc, false,"Log heap samples on garbage collection for the hp2ps tool.") DEFINE_bool(log_handles, false,"Log global handle events.") DEFINE_bool(log_snapshot_positions, false,"log positions of (de)serialized objects in the snapshot.") DEFINE_bool(log_suspect, false,"Log suspect operations.") DEFINE_bool(prof, false,"Log statistical profiling information (implies --log-code).") DEFINE_bool(prof_auto, true,"Used with --prof, starts profiling automatically") DEFINE_bool(prof_lazy, false,"Used with --prof, only does sampling and logging"" when profiler is active (implies --noprof_auto).") DEFINE_bool(prof_browser_mode, true,"Used with --prof, turns on browser-compatible mode for profiling.") DEFINE_bool(log_regexp, false,"Log regular expression execution.") DEFINE_bool(sliding_state_window, false,"Update sliding state window counters.") DEFINE_string(logfile,"v8.log","Specify the name of the log file.") DEFINE_bool(ll_prof, false,"Enable low-level linux profiler.")#define FLAG DEFINE_bool(trace_elements_transitions, false,"trace elements transitions") DEFINE_bool(print_code_stubs, false,"print code stubs") DEFINE_bool(test_secondary_stub_cache, false,"test secondary stub cache by disabling the primary one") DEFINE_bool(test_primary_stub_cache, false,"test primary stub cache by disabling the secondary one") DEFINE_bool(print_code, false,"print generated code") DEFINE_bool(print_opt_code, false,"print optimized code") DEFINE_bool(print_unopt_code, false,"print unoptimized code before ""printing optimized code based on it") DEFINE_bool(print_code_verbose, false,"print more information for code") DEFINE_bool(print_builtin_code, false,"print generated code for builtins")#47"/Users/thlorenz/dev/dx/v8-perf/build/v8/src/flags.cc"2 namespace{struct Flag{enum FlagType{TYPE_BOOL, TYPE_INT, TYPE_FLOAT, TYPE_STRING, TYPE_ARGS} name
Definition: flags.cc:1349
v8::internal::type
FlagType type() const
Definition: flags.cc:1358

Definition at line 4043 of file objects.h.

#define FIELD_ACCESSORS (   name)
Value:
void Set##name(int value) { \
set(k##name, Smi::FromInt(value)); \
} \
int name() { \
if (length() > 0) { \
return Smi::cast(get(k##name))->value(); \
} else { \
return 0; \
} \
}
v8::internal::name
value format" "after each garbage collection") DEFINE_bool(print_cumulative_gc_stat, false, "print cumulative GC statistics in name=value format on exit") DEFINE_bool(trace_gc_verbose, false, "print more details following each garbage collection") DEFINE_bool(trace_fragmentation, false, "report fragmentation for old pointer and data pages") DEFINE_bool(collect_maps, true, "garbage collect maps from which no objects can be reached") DEFINE_bool(flush_code, true, "flush code that we expect not to use again before full gc") DEFINE_bool(incremental_marking, true, "use incremental marking") DEFINE_bool(incremental_marking_steps, true, "do incremental marking steps") DEFINE_bool(trace_incremental_marking, false, "trace progress of the incremental marking") DEFINE_bool(use_idle_notification, true, "Use idle notification to reduce memory footprint.") DEFINE_bool(send_idle_notification, false, "Send idle notifcation between stress runs.") DEFINE_bool(use_ic, true, "use inline caching") DEFINE_bool(native_code_counters, false, "generate extra code for manipulating stats counters") DEFINE_bool(always_compact, false, "Perform compaction on every full GC") DEFINE_bool(lazy_sweeping, true, "Use lazy sweeping for old pointer and data spaces") DEFINE_bool(never_compact, false, "Never perform compaction on full GC-testing only") DEFINE_bool(compact_code_space, true, "Compact code space on full non-incremental collections") DEFINE_bool(cleanup_code_caches_at_gc, true, "Flush inline caches prior to mark compact collection and" "flush code caches in maps during mark compact cycle.") DEFINE_int(random_seed, 0, "Default seed for initializing random generator" "(0, the default, means to use system random).") DEFINE_bool(use_verbose_printer, true, "allows verbose printing") DEFINE_bool(allow_natives_syntax, false, "allow natives syntax") DEFINE_bool(trace_sim, false, "Trace simulator execution") DEFINE_bool(check_icache, false, "Check icache flushes in ARM and MIPS simulator") DEFINE_int(stop_sim_at, 0, "Simulator stop after x number of instructions") DEFINE_int(sim_stack_alignment, 8, "Stack alingment in bytes in simulator(4 or 8, 8 is default)") DEFINE_bool(trace_exception, false, "print stack trace when throwing exceptions") DEFINE_bool(preallocate_message_memory, false, "preallocate some memory to build stack traces.") DEFINE_bool(randomize_hashes, true, "randomize hashes to avoid predictable hash collisions" "(with snapshots this option cannot override the baked-in seed)") DEFINE_int(hash_seed, 0, "Fixed seed to use to hash property keys(0 means random)" "(with snapshots this option cannot override the baked-in seed)") DEFINE_bool(preemption, false, "activate a 100ms timer that switches between V8 threads") DEFINE_bool(regexp_optimization, true, "generate optimized regexp code") DEFINE_bool(testing_bool_flag, true, "testing_bool_flag") DEFINE_int(testing_int_flag, 13, "testing_int_flag") DEFINE_float(testing_float_flag, 2.5, "float-flag") DEFINE_string(testing_string_flag, "Hello, world!", "string-flag") DEFINE_int(testing_prng_seed, 42, "Seed used for threading test randomness") DEFINE_string(testing_serialization_file, "/tmp/serdes", "file in which to serialize heap") DEFINE_bool(help, false, "Print usage message, including flags, on console") DEFINE_bool(dump_counters, false, "Dump counters on exit") DEFINE_string(map_counters, "", "Map counters to a file") DEFINE_args(js_arguments, JSARGUMENTS_INIT, "Pass all remaining arguments to the script.Alias for\"--\".") DEFINE_bool(debug_compile_events, true,"Enable debugger compile events") DEFINE_bool(debug_script_collected_events, true,"Enable debugger script collected events") DEFINE_bool(gdbjit, false,"enable GDBJIT interface (disables compacting GC)") DEFINE_bool(gdbjit_full, false,"enable GDBJIT interface for all code objects") DEFINE_bool(gdbjit_dump, false,"dump elf objects with debug info to disk") DEFINE_string(gdbjit_dump_filter,"","dump only objects containing this substring") DEFINE_bool(force_marking_deque_overflows, false,"force overflows of marking deque by reducing it's size ""to 64 words") DEFINE_bool(stress_compaction, false,"stress the GC compactor to flush out bugs (implies ""--force_marking_deque_overflows)")#define FLAG DEFINE_bool(enable_slow_asserts, false,"enable asserts that are slow to execute") DEFINE_bool(trace_codegen, false,"print name of functions for which code is generated") DEFINE_bool(print_source, false,"pretty print source code") DEFINE_bool(print_builtin_source, false,"pretty print source code for builtins") DEFINE_bool(print_ast, false,"print source AST") DEFINE_bool(print_builtin_ast, false,"print source AST for builtins") DEFINE_string(stop_at,"","function name where to insert a breakpoint") DEFINE_bool(print_builtin_scopes, false,"print scopes for builtins") DEFINE_bool(print_scopes, false,"print scopes") DEFINE_bool(trace_contexts, false,"trace contexts operations") DEFINE_bool(gc_greedy, false,"perform GC prior to some allocations") DEFINE_bool(gc_verbose, false,"print stuff during garbage collection") DEFINE_bool(heap_stats, false,"report heap statistics before and after GC") DEFINE_bool(code_stats, false,"report code statistics after GC") DEFINE_bool(verify_heap, false,"verify heap pointers before and after GC") DEFINE_bool(print_handles, false,"report handles after GC") DEFINE_bool(print_global_handles, false,"report global handles after GC") DEFINE_bool(trace_ic, false,"trace inline cache state transitions") DEFINE_bool(print_interfaces, false,"print interfaces") DEFINE_bool(print_interface_details, false,"print interface inference details") DEFINE_int(print_interface_depth, 5,"depth for printing interfaces") DEFINE_bool(trace_normalization, false,"prints when objects are turned into dictionaries.") DEFINE_bool(trace_lazy, false,"trace lazy compilation") DEFINE_bool(collect_heap_spill_statistics, false,"report heap spill statistics along with heap_stats ""(requires heap_stats)") DEFINE_bool(trace_isolates, false,"trace isolate state changes") DEFINE_bool(log_state_changes, false,"Log state changes.") DEFINE_bool(regexp_possessive_quantifier, false,"enable possessive quantifier syntax for testing") DEFINE_bool(trace_regexp_bytecodes, false,"trace regexp bytecode execution") DEFINE_bool(trace_regexp_assembler, false,"trace regexp macro assembler calls.")#define FLAG DEFINE_bool(log, false,"Minimal logging (no API, code, GC, suspect, or handles samples).") DEFINE_bool(log_all, false,"Log all events to the log file.") DEFINE_bool(log_runtime, false,"Activate runtime system %Log call.") DEFINE_bool(log_api, false,"Log API events to the log file.") DEFINE_bool(log_code, false,"Log code events to the log file without profiling.") DEFINE_bool(log_gc, false,"Log heap samples on garbage collection for the hp2ps tool.") DEFINE_bool(log_handles, false,"Log global handle events.") DEFINE_bool(log_snapshot_positions, false,"log positions of (de)serialized objects in the snapshot.") DEFINE_bool(log_suspect, false,"Log suspect operations.") DEFINE_bool(prof, false,"Log statistical profiling information (implies --log-code).") DEFINE_bool(prof_auto, true,"Used with --prof, starts profiling automatically") DEFINE_bool(prof_lazy, false,"Used with --prof, only does sampling and logging"" when profiler is active (implies --noprof_auto).") DEFINE_bool(prof_browser_mode, true,"Used with --prof, turns on browser-compatible mode for profiling.") DEFINE_bool(log_regexp, false,"Log regular expression execution.") DEFINE_bool(sliding_state_window, false,"Update sliding state window counters.") DEFINE_string(logfile,"v8.log","Specify the name of the log file.") DEFINE_bool(ll_prof, false,"Enable low-level linux profiler.")#define FLAG DEFINE_bool(trace_elements_transitions, false,"trace elements transitions") DEFINE_bool(print_code_stubs, false,"print code stubs") DEFINE_bool(test_secondary_stub_cache, false,"test secondary stub cache by disabling the primary one") DEFINE_bool(test_primary_stub_cache, false,"test primary stub cache by disabling the secondary one") DEFINE_bool(print_code, false,"print generated code") DEFINE_bool(print_opt_code, false,"print optimized code") DEFINE_bool(print_unopt_code, false,"print unoptimized code before ""printing optimized code based on it") DEFINE_bool(print_code_verbose, false,"print more information for code") DEFINE_bool(print_builtin_code, false,"print generated code for builtins")#43"/Users/thlorenz/dev/dx/v8-perf/build/v8/src/flags.cc"2#define FLAG_MODE_DEFINE_DEFAULTS#1"/Users/thlorenz/dev/dx/v8-perf/build/v8/src/flag-definitions.h"1#define FLAG_FULL(ftype, ctype, nam, def, cmt)#define FLAG_READONLY(ftype, ctype, nam, def, cmt)#define DEFINE_implication(whenflag, thenflag)#define DEFINE_bool(nam, def, cmt)#define DEFINE_int(nam, def, cmt)#define DEFINE_float(nam, def, cmt)#define DEFINE_string(nam, def, cmt)#define DEFINE_args(nam, def, cmt)#define FLAG DEFINE_bool(use_strict, false,"enforce strict mode") DEFINE_bool(es5_readonly, false,"activate correct semantics for inheriting readonliness") DEFINE_bool(es52_globals, false,"activate new semantics for global var declarations") DEFINE_bool(harmony_typeof, false,"enable harmony semantics for typeof") DEFINE_bool(harmony_scoping, false,"enable harmony block scoping") DEFINE_bool(harmony_modules, false,"enable harmony modules (implies block scoping)") DEFINE_bool(harmony_proxies, false,"enable harmony proxies") DEFINE_bool(harmony_collections, false,"enable harmony collections (sets, maps, and weak maps)") DEFINE_bool(harmony, false,"enable all harmony features (except typeof)") DEFINE_implication(harmony, harmony_scoping) DEFINE_implication(harmony, harmony_modules) DEFINE_implication(harmony, harmony_proxies) DEFINE_implication(harmony, harmony_collections) DEFINE_implication(harmony_modules, harmony_scoping) DEFINE_bool(packed_arrays, false,"optimizes arrays that have no holes") DEFINE_bool(smi_only_arrays, true,"tracks arrays with only smi values") DEFINE_bool(clever_optimizations, true,"Optimize object size, Array shift, DOM strings and string +") DEFINE_bool(unbox_double_arrays, true,"automatically unbox arrays of doubles") DEFINE_bool(string_slices, true,"use string slices") DEFINE_bool(crankshaft, true,"use crankshaft") DEFINE_string(hydrogen_filter,"","optimization filter") DEFINE_bool(use_range, true,"use hydrogen range analysis") DEFINE_bool(eliminate_dead_phis, true,"eliminate dead phis") DEFINE_bool(use_gvn, true,"use hydrogen global value numbering") DEFINE_bool(use_canonicalizing, true,"use hydrogen instruction canonicalizing") DEFINE_bool(use_inlining, true,"use function inlining") DEFINE_int(max_inlined_source_size, 600,"maximum source size in bytes considered for a single inlining") DEFINE_int(max_inlined_nodes, 196,"maximum number of AST nodes considered for a single inlining") DEFINE_int(max_inlined_nodes_cumulative, 196,"maximum cumulative number of AST nodes considered for inlining") DEFINE_bool(loop_invariant_code_motion, true,"loop invariant code motion") DEFINE_bool(collect_megamorphic_maps_from_stub_cache, true,"crankshaft harvests type feedback from stub cache") DEFINE_bool(hydrogen_stats, false,"print statistics for hydrogen") DEFINE_bool(trace_hydrogen, false,"trace generated hydrogen to file") DEFINE_string(trace_phase,"Z","trace generated IR for specified phases") DEFINE_bool(trace_inlining, false,"trace inlining decisions") DEFINE_bool(trace_alloc, false,"trace register allocator") DEFINE_bool(trace_all_uses, false,"trace all use positions") DEFINE_bool(trace_range, false,"trace range analysis") DEFINE_bool(trace_gvn, false,"trace global value numbering") DEFINE_bool(trace_representation, false,"trace representation types") DEFINE_bool(stress_pointer_maps, false,"pointer map for every instruction") DEFINE_bool(stress_environments, false,"environment for every instruction") DEFINE_int(deopt_every_n_times, 0,"deoptimize every n times a deopt point is passed") DEFINE_bool(trap_on_deopt, false,"put a break point before deoptimizing") DEFINE_bool(deoptimize_uncommon_cases, true,"deoptimize uncommon cases") DEFINE_bool(polymorphic_inlining, true,"polymorphic inlining") DEFINE_bool(use_osr, true,"use on-stack replacement") DEFINE_bool(array_bounds_checks_elimination, false,"perform array bounds checks elimination") DEFINE_bool(array_index_dehoisting, false,"perform array index dehoisting") DEFINE_bool(trace_osr, false,"trace on-stack replacement") DEFINE_int(stress_runs, 0,"number of stress runs") DEFINE_bool(optimize_closures, true,"optimize closures") DEFINE_bool(inline_construct, true,"inline constructor calls") DEFINE_bool(inline_arguments, true,"inline functions with arguments object") DEFINE_int(loop_weight, 1,"loop weight for representation inference") DEFINE_bool(optimize_for_in, true,"optimize functions containing for-in loops") DEFINE_bool(experimental_profiler, true,"enable all profiler experiments") DEFINE_bool(watch_ic_patching, false,"profiler considers IC stability") DEFINE_int(frame_count, 1,"number of stack frames inspected by the profiler") DEFINE_bool(self_optimization, false,"primitive functions trigger their own optimization") DEFINE_bool(direct_self_opt, false,"call recompile stub directly when self-optimizing") DEFINE_bool(retry_self_opt, false,"re-try self-optimization if it failed") DEFINE_bool(count_based_interrupts, false,"trigger profiler ticks based on counting instead of timing") DEFINE_bool(interrupt_at_exit, false,"insert an interrupt check at function exit") DEFINE_bool(weighted_back_edges, false,"weight back edges by jump distance for interrupt triggering") DEFINE_int(interrupt_budget, 5900,"execution budget before interrupt is triggered") DEFINE_int(type_info_threshold, 15,"percentage of ICs that must have type info to allow optimization") DEFINE_int(self_opt_count, 130,"call count before self-optimization") DEFINE_implication(experimental_profiler, watch_ic_patching) DEFINE_implication(experimental_profiler, self_optimization) DEFINE_implication(experimental_profiler, retry_self_opt) DEFINE_implication(experimental_profiler, count_based_interrupts) DEFINE_implication(experimental_profiler, interrupt_at_exit) DEFINE_implication(experimental_profiler, weighted_back_edges) DEFINE_bool(trace_opt_verbose, false,"extra verbose compilation tracing") DEFINE_implication(trace_opt_verbose, trace_opt) DEFINE_bool(debug_code, false,"generate extra code (assertions) for debugging") DEFINE_bool(code_comments, false,"emit comments in code disassembly") DEFINE_bool(enable_sse2, true,"enable use of SSE2 instructions if available") DEFINE_bool(enable_sse3, true,"enable use of SSE3 instructions if available") DEFINE_bool(enable_sse4_1, true,"enable use of SSE4.1 instructions if available") DEFINE_bool(enable_cmov, true,"enable use of CMOV instruction if available") DEFINE_bool(enable_rdtsc, true,"enable use of RDTSC instruction if available") DEFINE_bool(enable_sahf, true,"enable use of SAHF instruction if available (X64 only)") DEFINE_bool(enable_vfp3, true,"enable use of VFP3 instructions if available - this implies ""enabling ARMv7 instructions (ARM only)") DEFINE_bool(enable_armv7, true,"enable use of ARMv7 instructions if available (ARM only)") DEFINE_bool(enable_fpu, true,"enable use of MIPS FPU instructions if available (MIPS only)") DEFINE_string(expose_natives_as, NULL,"expose natives in global object") DEFINE_string(expose_debug_as, NULL,"expose debug in global object") DEFINE_bool(expose_gc, false,"expose gc extension") DEFINE_bool(expose_externalize_string, false,"expose externalize string extension") DEFINE_int(stack_trace_limit, 10,"number of stack frames to capture") DEFINE_bool(builtins_in_stack_traces, false,"show built-in functions in stack traces") DEFINE_bool(disable_native_files, false,"disable builtin natives files") DEFINE_bool(inline_new, true,"use fast inline allocation") DEFINE_bool(stack_trace_on_abort, true,"print a stack trace if an assertion failure occurs") DEFINE_bool(trace, false,"trace function calls") DEFINE_bool(mask_constants_with_cookie, true,"use random jit cookie to mask large constants") DEFINE_bool(lazy, true,"use lazy compilation") DEFINE_bool(trace_opt, false,"trace lazy optimization") DEFINE_bool(trace_opt_stats, false,"trace lazy optimization statistics") DEFINE_bool(opt, true,"use adaptive optimizations") DEFINE_bool(always_opt, false,"always try to optimize functions") DEFINE_bool(prepare_always_opt, false,"prepare for turning on always opt") DEFINE_bool(trace_deopt, false,"trace deoptimization") DEFINE_int(min_preparse_length, 1024,"minimum length for automatic enable preparsing") DEFINE_bool(always_full_compiler, false,"try to use the dedicated run-once backend for all code") DEFINE_bool(trace_bailout, false,"print reasons for falling back to using the classic V8 backend") DEFINE_bool(compilation_cache, true,"enable compilation cache") DEFINE_bool(cache_prototype_transitions, true,"cache prototype transitions") DEFINE_bool(trace_debug_json, false,"trace debugging JSON request/response") DEFINE_bool(debugger_auto_break, true,"automatically set the debug break flag when debugger commands are ""in the queue") DEFINE_bool(enable_liveedit, true,"enable liveedit experimental feature") DEFINE_bool(break_on_abort, true,"always cause a debug break before aborting") DEFINE_int(stack_size, kPointerSize *123,"default size of stack region v8 is allowed to use (in kBytes)") DEFINE_int(max_stack_trace_source_length, 300,"maximum length of function source code printed in a stack trace.") DEFINE_bool(always_inline_smi_code, false,"always inline smi code in non-opt code") DEFINE_int(max_new_space_size, 0,"max size of the new generation (in kBytes)") DEFINE_int(max_old_space_size, 0,"max size of the old generation (in Mbytes)") DEFINE_int(max_executable_size, 0,"max size of executable memory (in Mbytes)") DEFINE_bool(gc_global, false,"always perform global GCs") DEFINE_int(gc_interval,-1,"garbage collect after <n> allocations") DEFINE_bool(trace_gc, false,"print one trace line following each garbage collection") DEFINE_bool(trace_gc_nvp, false,"print one detailed trace line in name=value format ""after each garbage collection") DEFINE_bool(print_cumulative_gc_stat, false,"print cumulative GC statistics in name=value format on exit") DEFINE_bool(trace_gc_verbose, false,"print more details following each garbage collection") DEFINE_bool(trace_fragmentation, false,"report fragmentation for old pointer and data pages") DEFINE_bool(collect_maps, true,"garbage collect maps from which no objects can be reached") DEFINE_bool(flush_code, true,"flush code that we expect not to use again before full gc") DEFINE_bool(incremental_marking, true,"use incremental marking") DEFINE_bool(incremental_marking_steps, true,"do incremental marking steps") DEFINE_bool(trace_incremental_marking, false,"trace progress of the incremental marking") DEFINE_bool(use_idle_notification, true,"Use idle notification to reduce memory footprint.") DEFINE_bool(send_idle_notification, false,"Send idle notifcation between stress runs.") DEFINE_bool(use_ic, true,"use inline caching") DEFINE_bool(native_code_counters, false,"generate extra code for manipulating stats counters") DEFINE_bool(always_compact, false,"Perform compaction on every full GC") DEFINE_bool(lazy_sweeping, true,"Use lazy sweeping for old pointer and data spaces") DEFINE_bool(never_compact, false,"Never perform compaction on full GC - testing only") DEFINE_bool(compact_code_space, true,"Compact code space on full non-incremental collections") DEFINE_bool(cleanup_code_caches_at_gc, true,"Flush inline caches prior to mark compact collection and ""flush code caches in maps during mark compact cycle.") DEFINE_int(random_seed, 0,"Default seed for initializing random generator ""(0, the default, means to use system random).") DEFINE_bool(use_verbose_printer, true,"allows verbose printing") DEFINE_bool(allow_natives_syntax, false,"allow natives syntax") DEFINE_bool(trace_sim, false,"Trace simulator execution") DEFINE_bool(check_icache, false,"Check icache flushes in ARM and MIPS simulator") DEFINE_int(stop_sim_at, 0,"Simulator stop after x number of instructions") DEFINE_int(sim_stack_alignment, 8,"Stack alingment in bytes in simulator (4 or 8, 8 is default)") DEFINE_bool(trace_exception, false,"print stack trace when throwing exceptions") DEFINE_bool(preallocate_message_memory, false,"preallocate some memory to build stack traces.") DEFINE_bool(randomize_hashes, true,"randomize hashes to avoid predictable hash collisions ""(with snapshots this option cannot override the baked-in seed)") DEFINE_int(hash_seed, 0,"Fixed seed to use to hash property keys (0 means random)""(with snapshots this option cannot override the baked-in seed)") DEFINE_bool(preemption, false,"activate a 100ms timer that switches between V8 threads") DEFINE_bool(regexp_optimization, true,"generate optimized regexp code") DEFINE_bool(testing_bool_flag, true,"testing_bool_flag") DEFINE_int(testing_int_flag, 13,"testing_int_flag") DEFINE_float(testing_float_flag, 2.5,"float-flag") DEFINE_string(testing_string_flag,"Hello, world!","string-flag") DEFINE_int(testing_prng_seed, 42,"Seed used for threading test randomness") DEFINE_string(testing_serialization_file,"/tmp/serdes","file in which to serialize heap") DEFINE_bool(help, false,"Print usage message, including flags, on console") DEFINE_bool(dump_counters, false,"Dump counters on exit") DEFINE_string(map_counters,"","Map counters to a file") DEFINE_args(js_arguments, JSARGUMENTS_INIT,"Pass all remaining arguments to the script. Alias for \"--\".") DEFINE_bool(debug_compile_events, true,"Enable debugger compile events") DEFINE_bool(debug_script_collected_events, true,"Enable debugger script collected events") DEFINE_bool(gdbjit, false,"enable GDBJIT interface (disables compacting GC)") DEFINE_bool(gdbjit_full, false,"enable GDBJIT interface for all code objects") DEFINE_bool(gdbjit_dump, false,"dump elf objects with debug info to disk") DEFINE_string(gdbjit_dump_filter,"","dump only objects containing this substring") DEFINE_bool(force_marking_deque_overflows, false,"force overflows of marking deque by reducing it's size ""to 64 words") DEFINE_bool(stress_compaction, false,"stress the GC compactor to flush out bugs (implies ""--force_marking_deque_overflows)")#define FLAG DEFINE_bool(enable_slow_asserts, false,"enable asserts that are slow to execute") DEFINE_bool(trace_codegen, false,"print name of functions for which code is generated") DEFINE_bool(print_source, false,"pretty print source code") DEFINE_bool(print_builtin_source, false,"pretty print source code for builtins") DEFINE_bool(print_ast, false,"print source AST") DEFINE_bool(print_builtin_ast, false,"print source AST for builtins") DEFINE_string(stop_at,"","function name where to insert a breakpoint") DEFINE_bool(print_builtin_scopes, false,"print scopes for builtins") DEFINE_bool(print_scopes, false,"print scopes") DEFINE_bool(trace_contexts, false,"trace contexts operations") DEFINE_bool(gc_greedy, false,"perform GC prior to some allocations") DEFINE_bool(gc_verbose, false,"print stuff during garbage collection") DEFINE_bool(heap_stats, false,"report heap statistics before and after GC") DEFINE_bool(code_stats, false,"report code statistics after GC") DEFINE_bool(verify_heap, false,"verify heap pointers before and after GC") DEFINE_bool(print_handles, false,"report handles after GC") DEFINE_bool(print_global_handles, false,"report global handles after GC") DEFINE_bool(trace_ic, false,"trace inline cache state transitions") DEFINE_bool(print_interfaces, false,"print interfaces") DEFINE_bool(print_interface_details, false,"print interface inference details") DEFINE_int(print_interface_depth, 5,"depth for printing interfaces") DEFINE_bool(trace_normalization, false,"prints when objects are turned into dictionaries.") DEFINE_bool(trace_lazy, false,"trace lazy compilation") DEFINE_bool(collect_heap_spill_statistics, false,"report heap spill statistics along with heap_stats ""(requires heap_stats)") DEFINE_bool(trace_isolates, false,"trace isolate state changes") DEFINE_bool(log_state_changes, false,"Log state changes.") DEFINE_bool(regexp_possessive_quantifier, false,"enable possessive quantifier syntax for testing") DEFINE_bool(trace_regexp_bytecodes, false,"trace regexp bytecode execution") DEFINE_bool(trace_regexp_assembler, false,"trace regexp macro assembler calls.")#define FLAG DEFINE_bool(log, false,"Minimal logging (no API, code, GC, suspect, or handles samples).") DEFINE_bool(log_all, false,"Log all events to the log file.") DEFINE_bool(log_runtime, false,"Activate runtime system %Log call.") DEFINE_bool(log_api, false,"Log API events to the log file.") DEFINE_bool(log_code, false,"Log code events to the log file without profiling.") DEFINE_bool(log_gc, false,"Log heap samples on garbage collection for the hp2ps tool.") DEFINE_bool(log_handles, false,"Log global handle events.") DEFINE_bool(log_snapshot_positions, false,"log positions of (de)serialized objects in the snapshot.") DEFINE_bool(log_suspect, false,"Log suspect operations.") DEFINE_bool(prof, false,"Log statistical profiling information (implies --log-code).") DEFINE_bool(prof_auto, true,"Used with --prof, starts profiling automatically") DEFINE_bool(prof_lazy, false,"Used with --prof, only does sampling and logging"" when profiler is active (implies --noprof_auto).") DEFINE_bool(prof_browser_mode, true,"Used with --prof, turns on browser-compatible mode for profiling.") DEFINE_bool(log_regexp, false,"Log regular expression execution.") DEFINE_bool(sliding_state_window, false,"Update sliding state window counters.") DEFINE_string(logfile,"v8.log","Specify the name of the log file.") DEFINE_bool(ll_prof, false,"Enable low-level linux profiler.")#define FLAG DEFINE_bool(trace_elements_transitions, false,"trace elements transitions") DEFINE_bool(print_code_stubs, false,"print code stubs") DEFINE_bool(test_secondary_stub_cache, false,"test secondary stub cache by disabling the primary one") DEFINE_bool(test_primary_stub_cache, false,"test primary stub cache by disabling the secondary one") DEFINE_bool(print_code, false,"print generated code") DEFINE_bool(print_opt_code, false,"print optimized code") DEFINE_bool(print_unopt_code, false,"print unoptimized code before ""printing optimized code based on it") DEFINE_bool(print_code_verbose, false,"print more information for code") DEFINE_bool(print_builtin_code, false,"print generated code for builtins")#47"/Users/thlorenz/dev/dx/v8-perf/build/v8/src/flags.cc"2 namespace{struct Flag{enum FlagType{TYPE_BOOL, TYPE_INT, TYPE_FLOAT, TYPE_STRING, TYPE_ARGS} name
Definition: flags.cc:1349

Definition at line 3498 of file objects.h.

#define FOR_EACH_NUMERIC_FIELD (   V)
Value:
V(Flags) \
V(ParameterCount) \
V(StackLocalCount) \
V(ContextLocalCount)

Definition at line 3492 of file objects.h.

#define FUNCTIONS_WITH_ID_LIST (   V)
Value:
V(Array.prototype, push, ArrayPush) \
V(Array.prototype, pop, ArrayPop) \
V(Function.prototype, apply, FunctionApply) \
V(String.prototype, charCodeAt, StringCharCodeAt) \
V(String.prototype, charAt, StringCharAt) \
V(String, fromCharCode, StringFromCharCode) \
V(Math, floor, MathFloor) \
V(Math, round, MathRound) \
V(Math, ceil, MathCeil) \
V(Math, abs, MathAbs) \
V(Math, log, MathLog) \
V(Math, sin, MathSin) \
V(Math, cos, MathCos) \
V(Math, tan, MathTan) \
V(Math, asin, MathASin) \
V(Math, acos, MathACos) \
V(Math, atan, MathATan) \
V(Math, exp, MathExp) \
V(Math, sqrt, MathSqrt) \
V(Math, pow, MathPow) \
V(Math, random, MathRandom) \
V(Math, max, MathMax) \
V(Math, min, MathMin)
random
int random()
Definition: platform-win32.cc:122

Definition at line 5175 of file objects.h.

#define HEAP_OBJECT_TYPE_LIST (   V)

Definition at line 752 of file objects.h.

#define INSTANCE_TYPE_LIST (   V)
Value:
INSTANCE_TYPE_LIST_ALL(V) \
INSTANCE_TYPE_LIST_DEBUGGER(V)
INSTANCE_TYPE_LIST_DEBUGGER
#define INSTANCE_TYPE_LIST_DEBUGGER(V)
Definition: objects.h:296
INSTANCE_TYPE_LIST_ALL
#define INSTANCE_TYPE_LIST_ALL(V)
Definition: objects.h:208

Definition at line 299 of file objects.h.

Referenced by NewSpace::SetUp().

#define INSTANCE_TYPE_LIST_ALL (   V)

Definition at line 208 of file objects.h.

#define INSTANCE_TYPE_LIST_DEBUGGER (   V)

Definition at line 296 of file objects.h.

#define IS_TYPE_FUNCTION_DECL (   type_)    inline bool Is##type_();

Definition at line 841 of file objects.h.

#define OBJECT_TYPE_LIST (   V)
Value:
V(Smi) \
V(HeapObject) \
V(Number) \

Definition at line 747 of file objects.h.

#define SLOT_ADDR (   obj,
  offset 
)    reinterpret_cast<Object**>((obj)->address() + offset)

Definition at line 1236 of file objects.h.

Referenced by FixedBodyDescriptor< start_offset, end_offset, size >::IterateBody(), and FlexibleBodyDescriptor< kHeaderSize >::IterateBody().

#define STRING_TYPE_LIST (   V)

Definition at line 306 of file objects.h.

#define STRUCT_LIST (   V)
Value:
STRUCT_LIST_ALL(V) \
STRUCT_LIST_DEBUGGER(V)
STRUCT_LIST_DEBUGGER
#define STRUCT_LIST_DEBUGGER(V)
Definition: objects.h:426
STRUCT_LIST_ALL
#define STRUCT_LIST_ALL(V)
Definition: objects.h:405

Definition at line 429 of file objects.h.

Referenced by Heap::AllocateStruct(), StaticVisitorBase::GetVisitorId(), HeapObject::HeapObjectShortPrint(), Object::IsStruct(), and HeapObject::IterateBody().

#define STRUCT_LIST_ALL (   V)
Value:
V(ACCESSOR_INFO, AccessorInfo, accessor_info) \
V(ACCESSOR_PAIR, AccessorPair, accessor_pair) \
V(ACCESS_CHECK_INFO, AccessCheckInfo, access_check_info) \
V(INTERCEPTOR_INFO, InterceptorInfo, interceptor_info) \
V(CALL_HANDLER_INFO, CallHandlerInfo, call_handler_info) \
V(FUNCTION_TEMPLATE_INFO, FunctionTemplateInfo, function_template_info) \
V(OBJECT_TEMPLATE_INFO, ObjectTemplateInfo, object_template_info) \
V(SIGNATURE_INFO, SignatureInfo, signature_info) \
V(TYPE_SWITCH_INFO, TypeSwitchInfo, type_switch_info) \
V(SCRIPT, Script, script) \
V(CODE_CACHE, CodeCache, code_cache) \
V(POLYMORPHIC_CODE_CACHE, PolymorphicCodeCache, polymorphic_code_cache) \
V(TYPE_FEEDBACK_INFO, TypeFeedbackInfo, type_feedback_info) \
V(ALIASED_ARGUMENTS_ENTRY, AliasedArgumentsEntry, aliased_arguments_entry)
v8::internal::access_check_info
kPropertyAccessorsOffset kNamedPropertyHandlerOffset kInstanceTemplateOffset access_check_info
Definition: objects-inl.h:3624

Definition at line 405 of file objects.h.

#define STRUCT_LIST_DEBUGGER (   V)

Definition at line 426 of file objects.h.

#define VISITOR_SYNCHRONIZATION_TAGS_LIST (   V)
Value:
V(kSymbolTable, "symbol_table", "(Symbols)") \
V(kExternalStringsTable, "external_strings_table", "(External strings)") \
V(kStrongRootList, "strong_root_list", "(Strong roots)") \
V(kSymbol, "symbol", "(Symbol)") \
V(kBootstrapper, "bootstrapper", "(Bootstrapper)") \
V(kTop, "top", "(Isolate)") \
V(kRelocatable, "relocatable", "(Relocatable)") \
V(kDebug, "debug", "(Debugger)") \
V(kCompilationCache, "compilationcache", "(Compilation cache)") \
V(kHandleScope, "handlescope", "(Handle scope)") \
V(kBuiltins, "builtins", "(Builtins)") \
V(kGlobalHandles, "globalhandles", "(Global handles)") \
V(kThreadManager, "threadmanager", "(Thread manager)") \
V(kExtensions, "Extensions", "(Extensions)")

Definition at line 8639 of file objects.h.