Source code of Windows XP (NT5)
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217 lines
7.4 KiB

// MAPSYM.H
//
// MAPSYM.EXE header file
//
// History is too long and ancient to recount!
#include <pshpack1.h> // All structures byte padded
#define MAPSYM_VERSION 6 // Version 6.0 is ported to console
#define MAPSYM_RELEASE 2
#define FIELDOFFSET(type, field) offsetof(type,field)
#define CBOFFSET sizeof(unsigned short) /* sym offset size */
#define CBOFFSET_BIG 3 /* big sym offset */
/*
* Debug Symbol Table Structures (as written to a .sym file)
* ---------------------------------------------------------
*
* For each symbol table (map): (MAPDEF)
*/
struct mapdef_s {
unsigned short md_spmap; /* 16 bit SEG ptr to next map (0 if end) */
unsigned char md_abstype; /* 8 bit map/abs sym flags */
unsigned char md_pad; /* 8 bit pad */
unsigned short md_segentry; /* 16 bit entry point segment value */
unsigned short md_cabs; /* 16 bit count of constants in map */
unsigned short md_pabsoff; /* 16 bit ptr to constant offsets */
unsigned short md_cseg; /* 16 bit count of segments in map */
unsigned short md_spseg; /* 16 bit SEG ptr to segment chain */
unsigned char md_cbnamemax; /* 8 bit maximum symbol name length */
unsigned char md_cbname; /* 8 bit symbol table name length */
unsigned char md_achname[1]; /* <n> name of symbol table (.sym ) */
};
#define CBMAPDEF FIELDOFFSET(struct mapdef_s, md_achname)
struct endmap_s {
unsigned short em_spmap; /* end of map chain (SEG ptr 0) */
unsigned char em_rel; /* release */
unsigned char em_ver; /* version */
};
#define CBENDMAP sizeof(struct endmap_s)
/*
* For each segment/group within a symbol table: (SEGDEF)
*/
struct segdef_s {
unsigned short gd_spsegnext; /* 16 bit SEG ptr to next segdef (0 if end),
relative to mapdef */
unsigned short gd_csym; /* 16 bit count of symbols in sym list */
unsigned short gd_psymoff; /* 16 bit ptr to symbol offsets array,
16 bit SEG ptr if MSF_BIG_GROUP set,
either relative to segdef */
unsigned short gd_lsa; /* 16 bit Load Segment address */
unsigned short gd_in0; /* 16 bit instance 0 physical address */
unsigned short gd_in1; /* 16 bit instance 1 physical address */
unsigned short gd_in2; /* 16 bit instance 2 physical address */
unsigned char gd_type; /* 16 or 32 bit symbols in group */
unsigned char gd_pad; /* pad byte to fill space for gd_in3 */
unsigned short gd_spline; /* 16 bit SEG ptr to linedef,
relative to mapdef */
unsigned char gd_fload; /* 8 bit boolean 0 if seg not loaded */
unsigned char gd_curin; /* 8 bit current instance */
unsigned char gd_cbname; /* 8 bit Segment name length */
unsigned char gd_achname[1]; /* <n> name of segment or group */
};
/* values for md_abstype, gd_type */
#define MSF_32BITSYMS 0x01 /* 32-bit symbols */
#define MSF_ALPHASYMS 0x02 /* symbols sorted alphabetically, too */
/* values for gd_type only */
#define MSF_BIGSYMDEF 0x04 /* bigger than 64K of symdefs */
/* values for md_abstype only */
#define MSF_ALIGN32 0x10 /* 2MEG max symbol file, 32 byte alignment */
#define MSF_ALIGN64 0x20 /* 4MEG max symbol file, 64 byte alignment */
#define MSF_ALIGN128 0x30 /* 8MEG max symbol file, 128 byte alignment */
#define MSF_ALIGN_MASK 0x30
#define CBSEGDEF FIELDOFFSET(struct segdef_s, gd_achname)
/*
* Followed by a list of SYMDEF's..
* for each symbol within a segment/group: (SYMDEF)
*/
struct symdef16_s {
unsigned short sd16_val; /* 16 bit symbol addr or const */
unsigned char sd16_cbname; /* 8 bit symbol name length */
unsigned char sd16_achname[1]; /* <n> symbol name */
};
#define CBSYMDEF16 FIELDOFFSET(struct symdef16_s, sd16_achname)
struct symdef_s {
unsigned long sd_lval; /* 32 bit symbol addr or const */
unsigned char sd_cbname; /* 8 bit symbol name length */
unsigned char sd_achname[1]; /* <n> symbol name */
};
#define CBSYMDEF FIELDOFFSET(struct symdef_s, sd_achname)
/*
* Also followed by a list of LINDEF's..
*/
struct linedef_s {
unsigned short ld_splinenext; /* 16 bit SEG ptr to next (0 if last),
relative to mapdef */
unsigned short ld_pseg; /* 16 bit ptr to segdef_s (always 0) */
unsigned short ld_plinerec; /* 16 bit ptr to linerecs,
relative to linedef */
unsigned short ld_itype; /* line rec type 0, 1, or 2 */
unsigned short ld_cline; /* 16 bit count of line numbers */
unsigned char ld_cbname; /* 8 bit file name length */
unsigned char ld_achname[1]; /* <n> file name */
};
#define CBLINEDEF FIELDOFFSET(struct linedef_s, ld_achname)
/* Normal line record (ld_itype == 0) */
struct linerec0_s {
unsigned short lr0_codeoffset; /* start offset for this linenumber */
unsigned long lr0_fileoffset; /* file offset for this linenumber */
};
/* Special line record - 16 bit (ld_itype == 1) */
struct linerec1_s {
unsigned short lr1_codeoffset; /* start offset for this linenumber */
unsigned short lr1_linenumber; /* linenumber */
};
/* Special line record - 32 bit (ld_itype == 2) */
struct linerec2_s {
unsigned long lr2_codeoffset; /* start offset for this linenumber */
unsigned short lr2_linenumber; /* linenumber */
};
/* NOTE: the codeoffset should be the first item in all the linerecs */
/* Union of line record types */
union linerec_u {
struct linerec0_s lr0;
struct linerec1_s lr1;
struct linerec2_s lr2;
};
#define FALSE 0
#define TRUE 1
#define MAXSEG 1024
#define MAXLINENUMBER 100000
#define MAXNAMELEN 32
#define MAXSYMNAMELEN 127 /* sd_cbname is a char */
#define MAXLINERECNAMELEN 255 /* ld_cbname is a char */
#define MAPBUFLEN 512
#define LPAREN '('
#define RPAREN ')'
#define _64K 0x10000L
#define _1MEG 0x100000L
#define _16MEG 0x1000000L
/*
* Debug Symbol Table Structures (as stored in memory)
*/
struct sym_s {
struct sym_s *sy_psynext; /* ptr to next sym_s record */
struct symdef_s sy_symdef; /* symbol record */
};
struct line_s {
struct line_s *li_plinext; /* ptr to line number list */
union linerec_u *li_plru; /* pointer to line number offsets */
unsigned long li_cblines; /* size of this linedef and it's linerecs */
unsigned long li_offmin; /* smallest offset */
unsigned long li_offmax; /* largest offset */
struct linedef_s li_linedef; /* to line number record */
};
struct seg_s {
unsigned short se_redefined; /* non0 if we have renamed this segment */
/* to a group name */
struct sym_s *se_psy; /* ptr to sym_s record chain */
struct sym_s *se_psylast; /* ptr to last sym_s record in chain */
struct line_s *se_pli; /* ptr to line number list */
unsigned short se_cbsymlong; /* sizeof of long names ( > 8 bytes) COFF */
unsigned long se_cbsyms; /* size of symdef records */
unsigned long se_cblines; /* size of all linedefs and linerecs */
unsigned long se_cbseg; /* size of segment */
struct segdef_s se_segdef; /* segdef record */
};
struct map_s {
unsigned short mp_cbsymlong; /* size of long names ( > 8 bytes) COFF */
unsigned short mp_cbsyms; /* size of abs symdef records */
struct mapdef_s mp_mapdef; /* mapdef record */
};
#define OURBUFSIZ 1024
#define MT_NOEXE 0x0000 /* maptype values */
#define MT_PE 0x0001
#define MT_OLDPE 0x0002
#define MT_SYMS 0x0080 /* coff symbols present */
#define MT_CVSYMS 0x0040 /* CodeView symbols present */