152 lines
4.8 KiB
C
152 lines
4.8 KiB
C
/********************************************************************
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Copyright (c) 1999 Microsoft Corporation
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Module Name:
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symdef.h
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Abstract:
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SYM file structures header
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Revision History:
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Brijesh Krishnaswami (brijeshk) - 04/29/99 - Created
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********************************************************************/
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#ifndef _SYMDEF_H
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#define _SYMDEF_H
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#define MAX_PATH 260
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#ifdef __cplusplus
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extern "C" {
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#endif // __cplusplus
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// SYM File Structures
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#pragma pack(1) // pack all data structures declared here
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// For each map within a symbol file (MAPDEF)
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struct mapdef_s {
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unsigned short md_spmap; // 16 bit SEG ptr to next map (0 if end)
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unsigned char md_abstype; // 8 bit map/abs sym flags
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unsigned char md_pad; // 8 bit pad
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unsigned short md_segentry; // 16 bit entry point segment value
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unsigned short md_cabs; // 16 bit count of constants in map
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unsigned short md_pabsoff; // 16 bit ptr to constant offsets
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unsigned short md_cseg; // 16 bit count of segments in map
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unsigned short md_spseg; // 16 bit SEG ptr to segment chain
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unsigned char md_cbnamemax; // 8 bit maximum symbol name length
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unsigned char md_cbname; // 8 bit symbol table name length
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unsigned char md_achname[1]; // <n> name of symbol table (.sym )
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};
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//#define CBMAPDEF FIELDOFFSET(struct mapdef_s, md_achname)
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struct endmap_s {
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unsigned short em_spmap; // end of map chain (SEG ptr 0)
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unsigned char em_rel; // release
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unsigned char em_ver; // version
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};
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// For each segment/group within a symbol table: (SEGDEF)
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struct segdef_s {
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unsigned short gd_spsegnext; // 16 bit SEG ptr to next segdef (0 if end),
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// relative to mapdef
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unsigned short gd_csym; // 16 bit count of symbols in sym list
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unsigned short gd_psymoff; // 16 bit ptr to symbol offsets array,
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// 16 bit SEG ptr if MSF_BIG_GROUP set,
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// either relative to segdef
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unsigned short gd_lsa; // 16 bit Load Segment address
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unsigned short gd_in0; // 16 bit instance 0 physical address
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unsigned short gd_in1; // 16 bit instance 1 physical address
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unsigned short gd_in2; // 16 bit instance 2 physical address
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unsigned char gd_type; // 16 or 32 bit symbols in group
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unsigned char gd_pad; // pad byte to fill space for gd_in3
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unsigned short gd_spline; // 16 bit SEG ptr to linedef,
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// relative to mapdef
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unsigned char gd_fload; // 8 bit boolean 0 if seg not loaded
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unsigned char gd_curin; // 8 bit current instance
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unsigned char gd_cbname; // 8 bit Segment name length
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unsigned char gd_achname[1]; // <n> name of segment or group
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};
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// values for md_abstype, gd_type
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#define MSF_32BITSYMS 0x01 // 32-bit symbols
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#define MSF_ALPHASYMS 0x02 // symbols sorted alphabetically, too
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// values for gd_type only
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#define MSF_BIGSYMDEF 0x04 // bigger than 64K of symdefs
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// values for md_abstype only
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#define MSF_ALIGN32 0x10 // 2MEG max symbol file, 32 byte alignment
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#define MSF_ALIGN64 0x20 // 4MEG max symbol file, 64 byte alignment
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#define MSF_ALIGN128 0x30 // 8MEG max symbol file, 128 byte alignment
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#define MSF_ALIGN_MASK 0x30
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// Followed by a list of SYMDEF's..
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// for each symbol within a segment/group: (SYMDEF)
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struct symdef16_s {
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unsigned short sd_val; // 16 bit symbol addr or const
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unsigned char sd_cbname; // 8 bit symbol name length
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unsigned char sd_achname[1]; // <n> symbol name
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};
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struct symdef_s {
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unsigned long sd_lval; // 32 bit symbol addr or const
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unsigned char sd_cbname; // 8 bit symbol name length
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unsigned char sd_achname[1]; // <n> symbol name
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};
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#pragma pack() // stop packing
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typedef struct mapdef_s MAPDEF;
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typedef struct segdef_s SEGDEF;
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// SYM file info for open files
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typedef struct _osf {
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WCHAR szwName[MAX_PATH]; // file name
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WCHAR szwVersion[MAX_PATH]; // version
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DWORD dwCheckSum; // checksum
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HANDLE hfFile; // file handle
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ULONG ulFirstSeg; // first section's offset
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int nSeg; // number of sections
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DWORD dwCurSection; // section for which symbol defintion ptrs are already available
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BYTE* psCurSymDefPtrs; // pointer to array of symbol defintion offsets
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} OPENFILE;
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#define MAXOPENFILES 10
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#define MAX_NAME 256
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#ifdef __cplusplus
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}
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#endif // __cplusplus
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#endif
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