343 lines
6.5 KiB
C
343 lines
6.5 KiB
C
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#define MYASSERT(_cond) \
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((_cond) ? 0 : MyDbgPrintf("ASSERTION FAILED\n"))
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typedef int bool;
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//
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// Debugger Extension Primitives
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//
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bool
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dbgextReadMemory(
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UINT_PTR uOffset,
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void * pvBuffer,
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UINT cb,
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char *pszDescription
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);
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bool
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dbgextReadUINT(
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UINT_PTR uOffset,
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UINT *pu,
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char *pszDescription
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);
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bool
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dbgextReadUINT_PTR(
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UINT_PTR uOffset,
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UINT_PTR *pu,
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char *pszDescription
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);
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bool
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dbgextReadSZ(
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UINT_PTR uOffset,
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char *szBuf,
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UINT cbMax,
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char *pszDescription
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);
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bool
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dbgextWriteMemory(
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UINT_PTR uOffset,
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void * pvBuffer,
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UINT cb,
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char *pszDescription
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);
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bool
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dbgextWriteUINT_PTR(
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UINT_PTR uOffset,
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UINT_PTR u,
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char *pszDescription
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);
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UINT_PTR
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dbgextGetExpression(
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const char *pcszExpression
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);
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#if 0 // Not sure what this one is about...
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void
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dbgextGetSymbol(
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void *offset,
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UCHAR *pchBuffer,
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UINT *pDisplacement
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);
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#endif // 0
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void
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dbgextDumpDLlist(
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UINT_PTR uOffset,
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UINT uContainingOffset,
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char *pszDescription
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);
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typedef
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void
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(__cdecl *MYPWINDBG_OUTPUT_ROUTINE)(
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const char * lpFormat,
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...
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);
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extern MYPWINDBG_OUTPUT_ROUTINE g_pfnDbgPrintf;
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#define MyDbgPrintf g_pfnDbgPrintf
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//
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// User Commands Parsing Support and Structures
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//
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typedef struct
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{
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//TOKEN tokCmd;
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UINT uParam;
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UINT uFlags;
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} COMMAND;
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struct _TYPE_INFO;
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typedef
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void
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(*PFN_SPECIALIZED_DUMP)(
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struct _TYPE_INFO *pType,
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UINT_PTR uAddr,
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char *szFieldSpec,
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UINT uFlags
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);
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#define fDUMP_ONE_LINE_SUMMARY (0x1)
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typedef struct
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{
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char *szName;
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UINT Mask;
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UINT Value;
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} BITFIELD_INFO;
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typedef struct _TYPE_INFO
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{
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const char * szName;
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const char * szShortName;
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UINT uTypeID;
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UINT uFlags; // One or more fTYPEINFO_ flags.
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UINT cbSize;
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struct _STRUCT_FIELD_INFO *rgFields;
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UINT uNextOffset;
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// If this type is a list element, this is the offset
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// in bytes to the next pointer.
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// Only valid if uFlags contains fTYPEINFO_ISLIST
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BITFIELD_INFO *rgBitFieldInfo;
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//
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// If this type is a bitfield, this this points
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// to an array of BITFIELD_INFO structs, giving
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// the set of valid bitfield constants that can
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// be held in this bitfield.
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//
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// Note -- only one of rgFields and rgBitField info
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// should be non-null (both can be null).
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//
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PFN_SPECIALIZED_DUMP pfnSpecializedDump;
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//
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// If nonzero, use this function instead of the standard
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// structure dumping routine.
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//
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UINT_PTR uCachedAddress; // Set to the address of this type that
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// was most recently referenced.
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} TYPE_INFO;
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#define fTYPEINFO_ISLIST (0x1<<0)
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#define fTYPEINFO_ISBITFIELD (0x1<<1)
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#define TYPEISLIST(_pType) ((_pType)->uFlags & fTYPEINFO_ISLIST)
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#define TYPEISBITFIELD(_pType) ((_pType)->uFlags & fTYPEINFO_ISBITFIELD)
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//
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// STRUCT_FIELD_INFO contains information about a particular field of a struct.
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//
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typedef struct _STRUCT_FIELD_INFO
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{
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const char *szFieldName;
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UINT uFieldOffset; // Offset in bytes from start of containing structure.
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UINT uFieldSize;
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UINT uFlags; // one or more fFI_* flags define below
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TYPE_INFO *pBaseType;
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} STRUCT_FIELD_INFO;
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#define fFI_PTR (0x1<<0) // Field is a pointer
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#define fFI_LIST (0x1<<1) // Field is a pointer to 1st element of a list
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#define fFI_ARRAY (0x1<<2) // Field is an array (pointer to array if
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// fFI_PTR is set).
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#define fFI_OPAQUE (0x1<<3) // Treat object as opaque, of size uObjectSize.
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// If set then fLIST must not be set.
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#define FIELD_IS_EMBEDDED_TYPE(_pFI) \
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( !((_pFI)->uFlags & (fFI_PTR|fFI_OPAQUE|fFI_ARRAY)) \
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&& ((_pFI)->pBaseType))
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//
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// true iff the field is itself a valid type
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//
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#define FIELD_IS_PTR_TO_TYPE(_pFI) \
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( ((_pFI)->uFlags & fFI_PTR) \
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&& !((_pFI)->uFlags & (fFI_OPAQUE|fFI_ARRAY)) \
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&& ((_pFI)->pBaseType))
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//
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// true iff the field is pointer to a valid type
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//
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#define FIELD_SIZE(type, field) sizeof(((type *)0)->field)
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//
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// Information about a global variable.
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//
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typedef struct
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{
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const char *szName; // of variable.
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const char *szShortName;
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TYPE_INFO *pBaseType; // could be null (unspecified).
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UINT uFlags;
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UINT cbSize;
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UINT_PTR uAddr; // Address in debuggee's address space.
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} GLOBALVAR_INFO;
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typedef
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UINT_PTR
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(*PFN_RESOLVE_ADDRESS)(
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TYPE_INFO *pType
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);
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typedef struct
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{
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TYPE_INFO **pTypes;
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GLOBALVAR_INFO *pGlobals;
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PFN_RESOLVE_ADDRESS pfnResolveAddress;
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} NAMESPACE;
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void
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DumpObjects(TYPE_INFO *pType, UINT_PTR uAddr, UINT cObjects, UINT uFlags);
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#define fMATCH_SUBSTRING (0x1<<0)
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#define fMATCH_PREFIX (0x1<<1)
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#define fMATCH_SUFFIX (0x1<<2)
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void
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DumpStructure(
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TYPE_INFO *pType,
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UINT_PTR uAddr,
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char *szFieldSpec,
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UINT uFlags
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);
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bool
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DumpMemory(
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UINT_PTR uAddr,
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UINT cb,
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UINT uFlags,
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const char *pszDescription
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);
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typedef bool (*PFNMATCHINGFUNCTION) (
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const char *szPattern,
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const char *szString
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);
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bool
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MatchPrefix(const char *szPattern, const char *szString);
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bool
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MatchSuffix(const char *szPattern, const char *szString);
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bool
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MatchSubstring(const char *szPattern, const char *szString);
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bool
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MatchExactly(const char *szPattern, const char *szString);
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bool
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MatchAlways(const char *szPattern, const char *szString);
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typedef ULONG (*PFNNODEFUNC)(
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UINT_PTR uNodeAddr,
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UINT uIndex,
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void *pvContext
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);
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//
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// PFNNODEFUNC is the prototype of the func passed into WalkList
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//
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UINT
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WalkList(
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UINT_PTR uStartAddress,
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UINT uNextOffset,
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UINT uStartIndex,
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UINT uEndIndex,
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void *pvContext,
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PFNNODEFUNC pFunc,
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char *pszDescription
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);
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//
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// Visit each node in the list in turn,
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// reading just the next pointers. It calls pFunc for each list node
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// between uStartIndex and uEndIndex. It terminates under the first of
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// the following conditions:
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// * Null pointer
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// * ReadMemoryError
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// * Read past uEndIndex
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// * pFunc returns FALSE
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//
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void
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WalkDLlist(
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UINT_PTR uOffsetHeadList,
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UINT_PTR uOffsetStartLink, OPTIONAL
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void *pvContext,
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PFNNODEFUNC pFunc,
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UINT MaxToWalk,
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char *pszDescription
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);
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ULONG
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NodeFunc_DumpAddress (
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UINT_PTR uNodeAddr,
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UINT uIndex,
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void *pvContext
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);
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//
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// This is a sample node function -- simply dumps the specfied address.
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//
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void
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DumpBitFields(
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ULONG Flags,
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BITFIELD_INFO rgBitFieldInfo[]
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);
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// Dump bitfield info.
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//
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