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179 lines
5.2 KiB
C
179 lines
5.2 KiB
C
/* rsym.h */
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#pragma once
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#include <typedefs.h>
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#include <pecoff.h>
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typedef struct {
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USHORT f_magic; /* magic number */
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USHORT f_nscns; /* number of sections */
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ULONG f_timdat; /* time & date stamp */
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ULONG f_symptr; /* file pointer to symtab */
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ULONG f_nsyms; /* number of symtab entries */
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USHORT f_opthdr; /* sizeof(optional hdr) */
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USHORT f_flags; /* flags */
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} FILHDR;
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typedef struct {
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char s_name[8]; /* section name */
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ULONG s_paddr; /* physical address, aliased s_nlib */
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ULONG s_vaddr; /* virtual address */
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ULONG s_size; /* section size */
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ULONG s_scnptr; /* file ptr to raw data for section */
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ULONG s_relptr; /* file ptr to relocation */
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ULONG s_lnnoptr; /* file ptr to line numbers */
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USHORT s_nreloc; /* number of relocation entries */
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USHORT s_nlnno; /* number of line number entries */
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ULONG s_flags; /* flags */
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} SCNHDR;
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#pragma pack(4)
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typedef struct _SYMBOLFILE_HEADER {
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ULONG SymbolsOffset;
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ULONG SymbolsLength;
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ULONG StringsOffset;
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ULONG StringsLength;
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} SYMBOLFILE_HEADER, *PSYMBOLFILE_HEADER;
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typedef struct _STAB_ENTRY {
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ULONG n_strx; /* index into string table of name */
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UCHAR n_type; /* type of symbol */
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UCHAR n_other; /* misc info (usually empty) */
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USHORT n_desc; /* description field */
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ULONG n_value; /* value of symbol */
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} STAB_ENTRY, *PSTAB_ENTRY;
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/* http://www.math.utah.edu/docs/info/stabs_12.html */
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#define N_GYSM 0x20
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#define N_FNAME 0x22
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#define N_FUN 0x24
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#define N_STSYM 0x26
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#define N_LCSYM 0x28
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#define N_MAIN 0x2A
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#define N_PC 0x30
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#define N_NSYMS 0x32
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#define N_NOMAP 0x34
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#define N_RSYM 0x40
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#define N_M2C 0x42
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#define N_SLINE 0x44
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#define N_DSLINE 0x46
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#define N_BSLINE 0x48
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#define N_BROWS 0x48
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#define N_DEFD 0x4A
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#define N_EHDECL 0x50
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#define N_MOD2 0x50
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#define N_CATCH 0x54
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#define N_SSYM 0x60
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#define N_SO 0x64
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#define N_LSYM 0x80
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#define N_BINCL 0x82
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#define N_SOL 0x84
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#define N_PSYM 0xA0
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#define N_EINCL 0xA2
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#define N_ENTRY 0xA4
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#define N_LBRAC 0xC0
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#define N_EXCL 0xC2
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#define N_SCOPE 0xC4
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#define N_RBRAC 0xE0
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#define N_BCOMM 0xE2
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#define N_ECOMM 0xE4
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#define N_ECOML 0xE8
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#define N_LENG 0xFE
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/* COFF symbol table */
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#define E_SYMNMLEN 8 /* # characters in a symbol name */
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#define E_FILNMLEN 14 /* # characters in a file name */
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#define E_DIMNUM 4 /* # array dimensions in auxiliary entry */
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#define N_BTMASK (0xf)
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#define N_TMASK (0x30)
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#define N_BTSHFT (4)
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#define N_TSHIFT (2)
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/* derived types, in e_type */
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#define DT_NON (0) /* no derived type */
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#define DT_PTR (1) /* pointer */
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#define DT_FCN (2) /* function */
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#define DT_ARY (3) /* array */
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#define BTYPE(x) ((x) & N_BTMASK)
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#define ISPTR(x) (((x) & N_TMASK) == (DT_PTR << N_BTSHFT))
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#define ISFCN(x) (((x) & N_TMASK) == (DT_FCN << N_BTSHFT))
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#define ISARY(x) (((x) & N_TMASK) == (DT_ARY << N_BTSHFT))
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#define ISTAG(x) ((x)==C_STRTAG||(x)==C_UNTAG||(x)==C_ENTAG)
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#define DECREF(x) ((((x)>>N_TSHIFT)&~N_BTMASK)|((x)&N_BTMASK))
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#define C_EFCN 0xff /* physical end of function */
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#define C_NULL 0
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#define C_AUTO 1 /* automatic variable */
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#define C_EXT 2 /* external symbol */
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#define C_STAT 3 /* static */
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#define C_REG 4 /* register variable */
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#define C_EXTDEF 5 /* external definition */
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#define C_LABEL 6 /* label */
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#define C_ULABEL 7 /* undefined label */
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#define C_MOS 8 /* member of structure */
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#define C_ARG 9 /* function argument */
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#define C_STRTAG 10 /* structure tag */
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#define C_MOU 11 /* member of union */
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#define C_UNTAG 12 /* union tag */
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#define C_TPDEF 13 /* type definition */
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#define C_USTATIC 14 /* undefined static */
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#define C_ENTAG 15 /* enumeration tag */
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#define C_MOE 16 /* member of enumeration */
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#define C_REGPARM 17 /* register parameter */
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#define C_FIELD 18 /* bit field */
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#define C_AUTOARG 19 /* auto argument */
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#define C_LASTENT 20 /* dummy entry (end of block) */
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#define C_BLOCK 100 /* ".bb" or ".eb" */
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#define C_FCN 101 /* ".bf" or ".ef" */
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#define C_EOS 102 /* end of structure */
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#define C_FILE 103 /* file name */
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#define C_LINE 104 /* line # reformatted as symbol table entry */
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#define C_ALIAS 105 /* duplicate tag */
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#define C_HIDDEN 106 /* ext symbol in dmert public lib */
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#pragma pack(1)
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typedef struct _COFF_SYMENT
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{
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union
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{
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char e_name[E_SYMNMLEN];
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struct
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{
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ULONG e_zeroes;
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ULONG e_offset;
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}
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e;
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}
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e;
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ULONG e_value;
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short e_scnum;
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USHORT e_type;
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UCHAR e_sclass;
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UCHAR e_numaux;
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} COFF_SYMENT, *PCOFF_SYMENT;
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#pragma pack(4)
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#ifdef TARGET_i386
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typedef ULONG TARGET_ULONG_PTR;
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#else
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typedef ULONGLONG TARGET_ULONG_PTR;
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#endif
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typedef struct _ROSSYM_ENTRY {
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TARGET_ULONG_PTR Address;
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ULONG FunctionOffset;
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ULONG FileOffset;
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ULONG SourceLine;
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} ROSSYM_ENTRY, *PROSSYM_ENTRY;
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#define ROUND_UP(N, S) (((N) + (S) - 1) & ~((S) - 1))
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extern char*
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convert_path(const char* origpath);
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extern void*
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load_file ( const char* file_name, size_t* file_size );
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