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Viewing changes to src/v8constants.h

  • Committer: Package Import Robot
  • Author(s): Jérémy Lal
  • Date: 2013-08-14 00:16:46 UTC
  • mfrom: (7.1.40 sid)
  • Revision ID: package-import@ubuntu.com-20130814001646-bzlysfh8sd6mukbo
Tags: 0.10.15~dfsg1-4
* Update 2005 patch, adding a handful of tests that can fail on
  slow platforms.
* Add 1004 patch to fix test failures when writing NaN to buffer
  on mipsel.

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Lines of Context:
src/v8constants.h
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/*
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 * The following offsets are derived from the V8 3.6.6.14 source.  A future
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 * version of this helper will automatically generate this file based on the
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 * debug metadata included in libv8.  See v8ustack.d for details on how these
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 * values are used.
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 */
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#ifndef V8_CONSTANTS_H
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#define V8_CONSTANTS_H
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#if defined(__i386)
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/*
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 * Frame pointer offsets
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 */
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#define V8_OFF_FP_FUNC          (-0x8)
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#define V8_OFF_FP_CONTEXT       (-0x4)
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#define V8_OFF_FP_MARKER        (-0x8)
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/*
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 * Heap class->field offsets
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 */
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#define V8_OFF_HEAP(off)        ((off) - 1)
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#define V8_OFF_FUNC_SHARED      V8_OFF_HEAP(0x14)
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#define V8_OFF_SHARED_NAME      V8_OFF_HEAP(0x4)
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#define V8_OFF_SHARED_INFERRED  V8_OFF_HEAP(0x24)
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#define V8_OFF_SHARED_SCRIPT    V8_OFF_HEAP(0x1c)
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#define V8_OFF_SHARED_FUNTOK    V8_OFF_HEAP(0x4c)
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#define V8_OFF_SCRIPT_NAME      V8_OFF_HEAP(0x8)
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#define V8_OFF_SCRIPT_LENDS     V8_OFF_HEAP(0x28)
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#define V8_OFF_STR_LENGTH       V8_OFF_HEAP(0x4)
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#define V8_OFF_STR_CHARS        V8_OFF_HEAP(0xc)
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#define V8_OFF_CONSSTR_CAR      V8_OFF_HEAP(0xc)
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#define V8_OFF_CONSSTR_CDR      V8_OFF_HEAP(0x10)
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#define V8_OFF_EXTSTR_RSRC      V8_OFF_HEAP(0xc)
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#define V8_OFF_FA_SIZE          V8_OFF_HEAP(0x4)
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#define V8_OFF_FA_DATA          V8_OFF_HEAP(0x8)
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#define V8_OFF_HEAPOBJ_MAP      V8_OFF_HEAP(0x0)
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#define V8_OFF_MAP_ATTRS        V8_OFF_HEAP(0x8)
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#define NODE_OFF_EXTSTR_DATA    0x4
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/*
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 * Stack frame types
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 */
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#define V8_FT_ENTRY             0x1
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#define V8_FT_ENTRYCONSTRUCT    0x2
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#define V8_FT_EXIT              0x3
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#define V8_FT_JAVASCRIPT        0x4
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#define V8_FT_OPTIMIZED         0x5
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#define V8_FT_INTERNAL          0x6
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#define V8_FT_CONSTRUCT         0x7
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#define V8_FT_ADAPTOR           0x8
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/*
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 * Instance types
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 */
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#define V8_IT_FIXEDARRAY        0x9f
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#define V8_IT_CODE              0x81
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/*
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 * Identification masks and tags
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 */
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#define V8_SmiTagMask           0x1
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#define V8_SmiTag               0x0
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#define V8_SmiValueShift        V8_SmiTagMask
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#define V8_HeapObjectTagMask    0x3
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#define V8_HeapObjectTag        0x1
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#define V8_IsNotStringMask      0x80
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#define V8_StringTag            0x0
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#define V8_StringEncodingMask   0x4
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#define V8_AsciiStringTag       0x4
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#define V8_StringRepresentationMask     0x3
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#define V8_SeqStringTag         0x0
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#define V8_ConsStringTag        0x1
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#define V8_ExternalStringTag    0x2
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#else
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#error "only i386 is supported for DTrace ustack helper"
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#endif
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#endif /* V8_CONSTANTS_H */