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Add postmortem metadata to access bytecode

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Bug: v8:12092
Change-Id: Ibca6082c28cfd5b23680d554b692bc8ab60cb416
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3094013
Reviewed-by: Georg Neis <neis@chromium.org>
Commit-Queue: Georg Neis <neis@chromium.org>
Cr-Commit-Position: refs/heads/master@{#76300}
This commit is contained in:
Timo Teräs 2021-08-13 15:00:32 +00:00 committed by V8 LUCI CQ
parent 12bbe90fc3
commit daa22492ba
2 changed files with 18 additions and 0 deletions
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1
AUTHORS
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@ -223,6 +223,7 @@ Tao Liqiang <taolq@outlook.com>
Teddy Katz <teddy.katz@gmail.com>
Thomas Young <wenzhang5800@gmail.com>
Tiancheng "Timothy" Gu <timothygu99@gmail.com>
Timo Teräs <timo.teras@iki.fi>
Tobias Burnus <burnus@net-b.de>
Tobias Nießen <tniessen@tnie.de>
Ujjwal Sharma <usharma1998@gmail.com>

17
tools/gen-postmortem-metadata.py
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@ -91,6 +91,16 @@ consts_misc = [
{ 'name': 'TaggedSize', 'value': 'kTaggedSize' },
{ 'name': 'TaggedSizeLog2', 'value': 'kTaggedSizeLog2' },
{ 'name': 'CodeKindFieldMask', 'value': 'Code::KindField::kMask' },
{ 'name': 'CodeKindFieldShift', 'value': 'Code::KindField::kShift' },
{ 'name': 'CodeKindBytecodeHandler',
'value': 'static_cast<int>(CodeKind::BYTECODE_HANDLER)' },
{ 'name': 'CodeKindInterpretedFunction',
'value': 'static_cast<int>(CodeKind::INTERPRETED_FUNCTION)' },
{ 'name': 'CodeKindBaseline',
'value': 'static_cast<int>(CodeKind::BASELINE)' },
{ 'name': 'OddballFalse', 'value': 'Oddball::kFalse' },
{ 'name': 'OddballTrue', 'value': 'Oddball::kTrue' },
{ 'name': 'OddballTheHole', 'value': 'Oddball::kTheHole' },
@ -189,6 +199,10 @@ consts_misc = [
'value': 'StandardFrameConstants::kFunctionOffset' },
{ 'name': 'off_fp_args',
'value': 'StandardFrameConstants::kFixedFrameSizeAboveFp' },
{ 'name': 'off_fp_bytecode_array',
'value': 'UnoptimizedFrameConstants::kBytecodeArrayFromFp' },
{ 'name': 'off_fp_bytecode_offset',
'value': 'UnoptimizedFrameConstants::kBytecodeOffsetOrFeedbackVectorFromFp' },
{ 'name': 'scopeinfo_idx_nparams',
'value': 'ScopeInfo::kParameterCount' },
@ -250,6 +264,7 @@ extras_accessors = [
'JSObject, elements, Object, kElementsOffset',
'JSObject, internal_fields, uintptr_t, kHeaderSize',
'FixedArray, data, uintptr_t, kHeaderSize',
'BytecodeArray, data, uintptr_t, kHeaderSize',
'JSArrayBuffer, backing_store, uintptr_t, kBackingStoreOffset',
'JSArrayBuffer, byte_length, size_t, kByteLengthOffset',
'JSArrayBufferView, byte_length, size_t, kByteLengthOffset',
@ -273,6 +288,7 @@ extras_accessors = [
'UncompiledData, inferred_name, String, kInferredNameOffset',
'UncompiledData, start_position, int32_t, kStartPositionOffset',
'UncompiledData, end_position, int32_t, kEndPositionOffset',
'Script, source, Object, kSourceOffset',
'Script, name, Object, kNameOffset',
'Script, line_ends, Object, kLineEndsOffset',
'SharedFunctionInfo, raw_function_token_offset, int16_t, kFunctionTokenOffsetOffset',
@ -280,6 +296,7 @@ extras_accessors = [
'SharedFunctionInfo, flags, int, kFlagsOffset',
'SharedFunctionInfo, length, uint16_t, kLengthOffset',
'SlicedString, parent, String, kParentOffset',
'Code, flags, uint32_t, kFlagsOffset',
'Code, instruction_start, uintptr_t, kHeaderSize',
'Code, instruction_size, int, kInstructionSizeOffset',
'String, length, int32_t, kLengthOffset',