postmortem: add representation kinds, masks, shift

tools/gen-postmortem-metadata.py

 #!/usr/bin/env python
 
 #
 # Copyright 2012 the V8 project authors. All rights reserved.
 # Redistribution and use in source and binary forms, with or without
 # modification, are permitted provided that the following conditions are
 # met:
 #
 #     * Redistributions of source code must retain the above copyright
 #       notice, this list of conditions and the following disclaimer.
@@ skipping 80 matching lines @@
     { 'name': 'prop_idx_first',
         'value': 'DescriptorArray::kFirstIndex' },
     { 'name': 'prop_type_field',
         'value': 'DATA' },
     { 'name': 'prop_type_mask',
         'value': 'PropertyDetails::TypeField::kMask' },
     { 'name': 'prop_index_mask',
         'value': 'PropertyDetails::FieldIndexField::kMask' },
     { 'name': 'prop_index_shift',
         'value': 'PropertyDetails::FieldIndexField::kShift' },
+    { 'name': 'prop_representation_mask',
+        'value': 'PropertyDetails::RepresentationField::kMask' },
+    { 'name': 'prop_representation_shift',
+        'value': 'PropertyDetails::RepresentationField::kShift' },
+    { 'name': 'prop_representation_integer8',
+        'value': 'Representation::Kind::kInteger8' },
+    { 'name': 'prop_representation_uinteger8',
+        'value': 'Representation::Kind::kUInteger8' },
+    { 'name': 'prop_representation_integer16',
+        'value': 'Representation::Kind::kInteger16' },
+    { 'name': 'prop_representation_uinteger16',
+        'value': 'Representation::Kind::kUInteger16' },
+    { 'name': 'prop_representation_smi',
+        'value': 'Representation::Kind::kSmi' },
+    { 'name': 'prop_representation_integer32',
+        'value': 'Representation::Kind::kInteger32' },
+    { 'name': 'prop_representation_double',
+        'value': 'Representation::Kind::kDouble' },
+    { 'name': 'prop_representation_heapobject',
+        'value': 'Representation::Kind::kHeapObject' },
+    { 'name': 'prop_representation_tagged',
+        'value': 'Representation::Kind::kTagged' },
+    { 'name': 'prop_representation_external',
+        'value': 'Representation::Kind::kExternal' },
 
     { 'name': 'prop_desc_key',
         'value': 'DescriptorArray::kDescriptorKey' },
     { 'name': 'prop_desc_details',
         'value': 'DescriptorArray::kDescriptorDetails' },
     { 'name': 'prop_desc_value',
         'value': 'DescriptorArray::kDescriptorValue' },
     { 'name': 'prop_desc_size',
         'value': 'DescriptorArray::kDescriptorSize' },
 
     { 'name': 'elements_fast_holey_elements',
         'value': 'FAST_HOLEY_ELEMENTS' },
     { 'name': 'elements_fast_elements',
         'value': 'FAST_ELEMENTS' },
     { 'name': 'elements_dictionary_elements',
         'value': 'DICTIONARY_ELEMENTS' },
 
     { 'name': 'bit_field2_elements_kind_mask',
         'value': 'Map::ElementsKindBits::kMask' },
     { 'name': 'bit_field2_elements_kind_shift',
         'value': 'Map::ElementsKindBits::kShift' },
     { 'name': 'bit_field3_dictionary_map_shift',
         'value': 'Map::DictionaryMap::kShift' },
+    { 'name': 'bit_field3_number_of_own_descriptors_mask',
+        'value': 'Map::NumberOfOwnDescriptorsBits::kMask' },
+    { 'name': 'bit_field3_number_of_own_descriptors_shift',
+        'value': 'Map::NumberOfOwnDescriptorsBits::kShift' },
 
     { 'name': 'off_fp_context',
         'value': 'StandardFrameConstants::kContextOffset' },
     { 'name': 'off_fp_constant_pool',
         'value': 'StandardFrameConstants::kConstantPoolOffset' },
     { 'name': 'off_fp_marker',
         'value': 'StandardFrameConstants::kMarkerOffset' },
     { 'name': 'off_fp_function',
         'value': 'JavaScriptFrameConstants::kFunctionOffset' },
     { 'name': 'off_fp_args',
         'value': 'JavaScriptFrameConstants::kLastParameterOffset' },
 
     { 'name': 'scopeinfo_idx_nparams',
         'value': 'ScopeInfo::kParameterCount' },
     { 'name': 'scopeinfo_idx_nstacklocals',
         'value': 'ScopeInfo::kStackLocalCount' },
     { 'name': 'scopeinfo_idx_ncontextlocals',
         'value': 'ScopeInfo::kContextLocalCount' },
+    { 'name': 'scopeinfo_idx_ncontextglobals',
+        'value': 'ScopeInfo::kContextLocalCount' },
     { 'name': 'scopeinfo_idx_first_vars',
         'value': 'ScopeInfo::kVariablePartIndex' },
+
+    { 'name': 'sharedfunctioninfo_start_position_mask',
+        'value': 'SharedFunctionInfo::kStartPositionMask' },
+    { 'name': 'sharedfunctioninfo_start_position_shift',
+        'value': 'SharedFunctionInfo::kStartPositionShift' },
+
+    { 'name': 'jsarray_buffer_was_neutered_mask',
+        'value': 'JSArrayBuffer::WasNeutered::kMask' },
+    { 'name': 'jsarray_buffer_was_neutered_shift',
+        'value': 'JSArrayBuffer::WasNeutered::kShift' },
 ];
 
 #
 # The following useful fields are missing accessors, so we define fake ones.
 #
 extras_accessors = [
+    'JSFunction, context, Context, kContextOffset',
+    'Context, closure_index, int, CLOSURE_INDEX',
+    'Context, global_object_index, int, GLOBAL_OBJECT_INDEX',
+    'Context, previous_index, int, PREVIOUS_INDEX',
+    'Context, min_context_slots, int, MIN_CONTEXT_SLOTS',
     'HeapObject, map, Map, kMapOffset',
     'JSObject, elements, Object, kElementsOffset',
     'FixedArray, data, uintptr_t, kHeaderSize',
     'JSArrayBuffer, backing_store, Object, kBackingStoreOffset',
     'JSArrayBufferView, byte_offset, Object, kByteOffsetOffset',
     'JSTypedArray, length, Object, kLengthOffset',
     'Map, instance_attributes, int, kInstanceAttributesOffset',
     'Map, inobject_properties_or_constructor_function_index, int, kInObjectPropertiesOrConstructorFunctionIndexOffset',
     'Map, instance_size, int, kInstanceSizeOffset',
     'Map, bit_field, char, kBitFieldOffset',
     'Map, bit_field2, char, kBitField2Offset',
     'Map, bit_field3, int, kBitField3Offset',
     'Map, prototype, Object, kPrototypeOffset',
     'NameDictionaryShape, prefix_size, int, kPrefixSize',
     'NameDictionaryShape, entry_size, int, kEntrySize',
+    'NameDictionary, prefix_start_index, int, kPrefixStartIndex',
     'SeededNumberDictionaryShape, prefix_size, int, kPrefixSize',
     'UnseededNumberDictionaryShape, prefix_size, int, kPrefixSize',
     'NumberDictionaryShape, entry_size, int, kEntrySize',
     'Oddball, kind_offset, int, kKindOffset',
     'HeapNumber, value, double, kValueOffset',
     'ConsString, first, String, kFirstOffset',
     'ConsString, second, String, kSecondOffset',
     'ExternalString, resource, Object, kResourceOffset',
     'SeqOneByteString, chars, char, kHeaderSize',
     'SeqTwoByteString, chars, char, kHeaderSize',
     'SharedFunctionInfo, code, Code, kCodeOffset',
+    'SharedFunctionInfo, scope_info, ScopeInfo, kScopeInfoOffset',
     'SlicedString, parent, String, kParentOffset',
     'Code, instruction_start, uintptr_t, kHeaderSize',
     'Code, instruction_size, int, kInstructionSizeOffset',
 ];
 
 #
 # The following is a whitelist of classes we expect to find when scanning the
 # source code. This list is not exhaustive, but it's still useful to identify
 # when this script gets out of sync with the source. See load_objects().
 #
@@ skipping 349 matching lines @@
 
         out.write(footer);
 
 if (len(sys.argv) < 4):
         print('usage: %s output.cc objects.h objects-inl.h' % sys.argv[0]);
         sys.exit(2);
 
 load_objects();
 load_fields();
 emit_config();