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v8abbr.h
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v8abbr.h
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/** Copyright Joyent, Inc. and other Node contributors.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to permit
* persons to whom the Software is furnished to do so, subject to the
* following conditions:
*
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
* NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
* OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
* USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
/*
* This header defines short names for V8 constants for use by the ustack
* helper.
*/
#ifndef SRC_V8ABBR_H_
#define SRC_V8ABBR_H_
/* Frame pointer offsets */
#define V8_OFF_FP_FUNC V8DBG_OFF_FP_FUNCTION
#define V8_OFF_FP_CONTEXT V8DBG_OFF_FP_CONTEXT
#define V8_OFF_FP_MARKER V8DBG_OFF_FP_MARKER
/* Stack frame types */
#define V8_FT_ENTRY V8DBG_FRAMETYPE_ENTRYFRAME
#define V8_FT_ENTRYCONSTRUCT V8DBG_FRAMETYPE_CONSTRUCTENTRYFRAME
#define V8_FT_EXIT V8DBG_FRAMETYPE_EXITFRAME
#define V8_FT_JAVASCRIPT V8DBG_FRAMETYPE_JAVASCRIPTFRAME
#define V8_FT_OPTIMIZED V8DBG_FRAMETYPE_OPTIMIZEDFRAME
#define V8_FT_INTERNAL V8DBG_FRAMETYPE_INTERNALFRAME
#define V8_FT_CONSTRUCT V8DBG_FRAMETYPE_CONSTRUCTFRAME
#define V8_FT_STUB V8DBG_FRAMETYPE_STUBFRAME
/* Identification masks and tags */
#define V8_SmiTagMask (V8DBG_SMITAGMASK)
#define V8_SmiTag (V8DBG_SMITAG)
#define V8_SmiValueShift (V8DBG_SMISHIFTSIZE + V8DBG_SMITAGMASK)
#define V8_HeapObjectTagMask V8DBG_HEAPOBJECTTAGMASK
#define V8_HeapObjectTag V8DBG_HEAPOBJECTTAG
#define V8_IsNotStringMask V8DBG_ISNOTSTRINGMASK
#define V8_StringTag V8DBG_STRINGTAG
#define V8_StringEncodingMask V8DBG_STRINGENCODINGMASK
#define V8_AsciiStringTag V8DBG_ONEBYTESTRINGTAG
#define V8_StringRepresentationMask V8DBG_STRINGREPRESENTATIONMASK
#define V8_SeqStringTag V8DBG_SEQSTRINGTAG
#define V8_ConsStringTag V8DBG_CONSSTRINGTAG
#define V8_ExternalStringTag V8DBG_EXTERNALSTRINGTAG
/* Instance types */
#define V8_IT_FIXEDARRAY V8DBG_TYPE_FIXEDARRAY__FIXED_ARRAY_TYPE
#define V8_IT_CODE V8DBG_TYPE_CODE__CODE_TYPE
#define V8_IT_SCRIPT V8DBG_TYPE_SCRIPT__SCRIPT_TYPE
/* Node-specific offsets */
#define NODE_OFF_EXTSTR_DATA sizeof(void*)
/*
* Not all versions of V8 have the offset for the "chars" array in the
* SeqTwoByteString class, but it's the same as the one for SeqOneByteString.
*/
#ifndef V8DBG_CLASS_SEQTWOBYTESTRING__CHARS__CHAR
#define V8DBG_CLASS_SEQTWOBYTESTRING__CHARS__CHAR \
V8DBG_CLASS_SEQONEBYTESTRING__CHARS__CHAR
#endif
/* Heap class->field offsets */
#define V8_OFF_HEAP(off) ((off) - 1)
#define V8_OFF_FUNC_SHARED \
V8_OFF_HEAP(V8DBG_CLASS_JSFUNCTION__SHARED__SHAREDFUNCTIONINFO)
#define V8_OFF_RAW_NAME \
V8_OFF_HEAP(V8DBG_CLASS_SHAREDFUNCTIONINFO__NAME_OR_SCOPE_INFO__OBJECT)
#define V8_OFF_SHARED_IDENT \
V8_OFF_HEAP( \
V8DBG_CLASS_SHAREDFUNCTIONINFO__NAME_OR_SCOPE_INFO__OBJECT)
#define V8_OFF_SHARED_SCRIPT \
V8_OFF_HEAP( \
V8DBG_CLASS_SHAREDFUNCTIONINFO__SCRIPT_OR_DEBUG_INFO__HEAPOBJECT)
#define V8_OFF_SHARED_FUNIDENT \
V8_OFF_HEAP( \
V8DBG_CLASS_SHAREDFUNCTIONINFO__NAME_OR_SCOPE_INFO__OBJECT)
#define V8_OFF_SCRIPT_NAME \
V8_OFF_HEAP(V8DBG_CLASS_SCRIPT__NAME__OBJECT)
#define V8_OFF_SCRIPT_LENDS \
V8_OFF_HEAP(V8DBG_CLASS_SCRIPT__LINE_ENDS__OBJECT)
#define V8_OFF_STR_LENGTH \
V8_OFF_HEAP(V8DBG_CLASS_STRING__LENGTH__INT32_T)
#define V8_OFF_STR_CHARS \
V8_OFF_HEAP(V8DBG_CLASS_SEQONEBYTESTRING__CHARS__CHAR)
#define V8_OFF_CONSSTR_CAR \
V8_OFF_HEAP(V8DBG_CLASS_CONSSTRING__FIRST__STRING)
#define V8_OFF_CONSSTR_CDR \
V8_OFF_HEAP(V8DBG_CLASS_CONSSTRING__SECOND__STRING)
#define V8_OFF_EXTSTR_RSRC \
V8_OFF_HEAP(V8DBG_CLASS_EXTERNALSTRING__RESOURCE__OBJECT)
#define V8_OFF_FA_SIZE \
V8_OFF_HEAP(V8DBG_CLASS_FIXEDARRAYBASE__LENGTH__SMI)
#define V8_OFF_FA_DATA \
V8_OFF_HEAP(V8DBG_CLASS_FIXEDARRAY__DATA__UINTPTR_T)
#define V8_OFF_HEAPOBJ_MAP \
V8_OFF_HEAP(V8DBG_CLASS_HEAPOBJECT__MAP__MAP)
#define V8_OFF_MAP_ATTRS \
V8_OFF_HEAP(V8DBG_CLASS_MAP__INSTANCE_TYPE__UINT16_T)
#define V8_OFF_TWOBYTESTR_CHARS \
V8_OFF_HEAP(V8DBG_CLASS_SEQTWOBYTESTRING__CHARS__CHAR)
#endif /* SRC_V8ABBR_H_ */