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author | K. Richard Pixley <rich@cygnus> | 1992-12-08 04:44:16 +0000 |
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committer | K. Richard Pixley <rich@cygnus> | 1992-12-08 04:44:16 +0000 |
commit | 181ba9ee43a139cd35cd6d6936cf3b780d911a9f (patch) | |
tree | 0c87c2d9e2f775f382888519daa021a38ef5bead /include/coff-i386.h | |
parent | 7b21432fde421b756b8cd4a38d145108abe7e49c (diff) | |
download | gdb-181ba9ee43a139cd35cd6d6936cf3b780d911a9f.zip gdb-181ba9ee43a139cd35cd6d6936cf3b780d911a9f.tar.gz gdb-181ba9ee43a139cd35cd6d6936cf3b780d911a9f.tar.bz2 |
recording file death
Diffstat (limited to 'include/coff-i386.h')
-rwxr-xr-x | include/coff-i386.h | 316 |
1 files changed, 0 insertions, 316 deletions
diff --git a/include/coff-i386.h b/include/coff-i386.h deleted file mode 100755 index 0683692..0000000 --- a/include/coff-i386.h +++ /dev/null @@ -1,316 +0,0 @@ -/*** coff information for M68K */ - - -/********************** FILE HEADER **********************/ - -struct external_filehdr { - char f_magic[2]; /* magic number */ - char f_nscns[2]; /* number of sections */ - char f_timdat[4]; /* time & date stamp */ - char f_symptr[4]; /* file pointer to symtab */ - char f_nsyms[4]; /* number of symtab entries */ - char f_opthdr[2]; /* sizeof(optional hdr) */ - char f_flags[2]; /* flags */ -}; - - -/* Bits for f_flags: - * F_RELFLG relocation info stripped from file - * F_EXEC file is executable (no unresolved external references) - * F_LNNO line numbers stripped from file - * F_LSYMS local symbols stripped from file - * F_AR32WR file has byte ordering of an AR32WR machine (e.g. vax) - */ - -#define F_RELFLG (0x0001) -#define F_EXEC (0x0002) -#define F_LNNO (0x0004) -#define F_LSYMS (0x0008) - - - -#define I386MAGIC 0x14c -#define I386BADMAG(x) (((x).f_magic!=I386MAGIC)) - - -#define FILHDR struct external_filehdr -#define FILHSZ sizeof(FILHDR) - - -/********************** AOUT "OPTIONAL HEADER" **********************/ - - -typedef struct -{ - char magic[2]; /* type of file */ - char vstamp[2]; /* version stamp */ - char tsize[4]; /* text size in bytes, padded to FW bdry*/ - char dsize[4]; /* initialized data " " */ - char bsize[4]; /* uninitialized data " " */ - char entry[4]; /* entry pt. */ - char text_start[4]; /* base of text used for this file */ - char data_start[4]; /* base of data used for this file */ -} -AOUTHDR; - -#define AOUTSZ (sizeof(AOUTHDR)) - - -/********************** STORAGE CLASSES **********************/ - -#define C_EFCN -1 /* physical end of function */ -#define C_NULL 0 -#define C_AUTO 1 /* automatic variable */ -#define C_EXT 2 /* external symbol */ -#define C_STAT 3 /* static */ -#define C_REG 4 /* register variable */ -#define C_EXTDEF 5 /* external definition */ -#define C_LABEL 6 /* label */ -#define C_ULABEL 7 /* undefined label */ -#define C_MOS 8 /* member of structure */ -#define C_ARG 9 /* function argument */ -#define C_STRTAG 10 /* structure tag */ -#define C_MOU 11 /* member of union */ -#define C_UNTAG 12 /* union tag */ -#define C_TPDEF 13 /* type definition */ -#define C_USTATIC 14 /* undefined static */ -#define C_ENTAG 15 /* enumeration tag */ -#define C_MOE 16 /* member of enumeration */ -#define C_REGPARM 17 /* register parameter */ -#define C_FIELD 18 /* bit field */ -#define C_AUTOARG 19 /* auto argument */ -#define C_LASTENT 20 /* dummy entry (end of block) */ -#define C_BLOCK 100 /* ".bb" or ".eb" */ -#define C_FCN 101 /* ".bf" or ".ef" */ -#define C_EOS 102 /* end of structure */ -#define C_FILE 103 /* file name */ -#define C_LINE 104 /* line # reformatted as symbol table entry */ -#define C_ALIAS 105 /* duplicate tag */ -#define C_HIDDEN 106 /* ext symbol in dmert public lib */ - -/********************** SECTION HEADER **********************/ - - -struct external_scnhdr { - char s_name[8]; /* section name */ - char s_paddr[4]; /* physical address, aliased s_nlib */ - char s_vaddr[4]; /* virtual address */ - char s_size[4]; /* section size */ - char s_scnptr[4]; /* file ptr to raw data for section */ - char s_relptr[4]; /* file ptr to relocation */ - char s_lnnoptr[4]; /* file ptr to line numbers */ - char s_nreloc[2]; /* number of relocation entries */ - char s_nlnno[2]; /* number of line number entries*/ - char s_flags[4]; /* flags */ -}; - -/* - * names of "special" sections - */ -#define _TEXT ".text" -#define _DATA ".data" -#define _BSS ".bss" -#define _COMMENT ".comment" - -/* - * s_flags "type" - */ -#define STYP_REG (0x0000) /* "regular": allocated, relocated, loaded */ -#define STYP_DSECT (0x0001) /* "dummy": relocated only*/ -#define STYP_NOLOAD (0x0002) /* "noload": allocated, relocated, not loaded */ -#define STYP_GROUP (0x0004) /* "grouped": formed of input sections */ -#define STYP_PAD (0x0008) /* "padding": not allocated, not relocated, loaded */ -#define STYP_COPY (0x0010) /* "copy": for decision function used by field update; not allocated, not relocated, - loaded; reloc & lineno entries processed normally */ -#define STYP_TEXT (0x0020) /* section contains text only */ -#define S_SHRSEG (0x0020) /* In 3b Update files (output of ogen), sections which appear in SHARED segments of the Pfile - will have the S_SHRSEG flag set by ogen, to inform dufr that updating 1 copy of the proc. will - update all process invocations. */ -#define STYP_DATA (0x0040) /* section contains data only */ -#define STYP_BSS (0x0080) /* section contains bss only */ -#define S_NEWFCN (0x0100) /* In a minimal file or an update file, a new function (as compared with a replaced function) */ -#define STYP_INFO (0x0200) /* comment: not allocated not relocated, not loaded */ -#define STYP_OVER (0x0400) /* overlay: relocated not allocated or loaded */ -#define STYP_LIB (0x0800) /* for .lib: same as INFO */ -#define STYP_MERGE (0x2000) /* merge section -- combines with text, data or bss sections only */ -#define STYP_REVERSE_PAD (0x4000) /* section will be padded with no-op instructions wherever padding is necessary and there is a - word of contiguous bytes beginning on a word boundary. */ - -#define SCNHDR struct external_scnhdr -#define SCNHSZ sizeof(SCNHDR) - - -/********************** LINE NUMBERS **********************/ - -/* 1 line number entry for every "breakpointable" source line in a section. - * Line numbers are grouped on a per function basis; first entry in a function - * grouping will have l_lnno = 0 and in place of physical address will be the - * symbol table index of the function name. - */ -struct external_lineno { - union { - char l_symndx[4]; /* function name symbol index, iff l_lnno == 0*/ - char l_paddr[4]; /* (physical) address of line number */ - } l_addr; - char l_lnno[2]; /* line number */ -}; - - -#define LINENO struct external_lineno -#define LINESZ 6 - - -/********************** SYMBOLS **********************/ - -#define E_SYMNMLEN 8 /* # characters in a symbol name */ -#define E_FILNMLEN 14 /* # characters in a file name */ -#define E_DIMNUM 4 /* # array dimensions in auxiliary entry */ - -struct external_syment -{ - union { - char e_name[E_SYMNMLEN]; - struct { - char e_zeroes[4]; - char e_offset[4]; - } e; - } e; - char e_value[4]; - char e_scnum[2]; - char e_type[2]; - char e_sclass[1]; - char e_numaux[1]; -}; - - -/*#define n_name _n._n_name -#define n_ptr _n._n_nptr[1] -#define n_zeroes _n._n_n._n_zeroes -#define n_offset _n._n_n._n_offset -*/ - -/* - * Relocatable symbols have number of the section in which they are defined, - * or one of the following: - */ -#define N_UNDEF ((short)0) /* undefined symbol */ -#define N_ABS ((short)-1) /* value of symbol is absolute */ -#define N_DEBUG ((short)-2) /* debugging symbol -- value is meaningless */ -#define N_TV ((short)-3) /* indicates symbol needs preload transfer vector */ -#define P_TV ((short)-4) /* indicates symbol needs postload transfer vector*/ - -/* - * Type of a symbol, in low 4 bits of the word - */ -#define T_NULL 0 -#define T_VOID 1 /* function argument (only used by compiler) */ -#define T_CHAR 2 /* character */ -#define T_SHORT 3 /* short integer */ -#define T_INT 4 /* integer */ -#define T_LONG 5 /* long integer */ -#define T_FLOAT 6 /* floating point */ -#define T_DOUBLE 7 /* double word */ -#define T_STRUCT 8 /* structure */ -#define T_UNION 9 /* union */ -#define T_ENUM 10 /* enumeration */ -#define T_MOE 11 /* member of enumeration*/ -#define T_UCHAR 12 /* unsigned character */ -#define T_USHORT 13 /* unsigned short */ -#define T_UINT 14 /* unsigned integer */ -#define T_ULONG 15 /* unsigned long */ -#define T_LNGDBL 16 /* long double */ - -/* - * derived types, in n_type -*/ -#define DT_NON (0) /* no derived type */ -#define DT_PTR (1) /* pointer */ -#define DT_FCN (2) /* function */ -#define DT_ARY (3) /* array */ - -#define N_BTMASK (0xf) -#define N_TMASK (0x30) -#define N_BTSHFT (4) -#define N_TSHIFT (2) - -#define BTYPE(x) ((x) & N_BTMASK) - -#define ISPTR(x) (((x) & N_TMASK) == (DT_PTR << N_BTSHFT)) -#define ISFCN(x) (((x) & N_TMASK) == (DT_FCN << N_BTSHFT)) -#define ISARY(x) (((x) & N_TMASK) == (DT_ARY << N_BTSHFT)) - -#define DECREF(x) ((((x)>>N_TSHIFT)&~N_BTMASK)|((x)&N_BTMASK)) - -union external_auxent { - struct { - char x_tagndx[4]; /* str, un, or enum tag indx */ - union { - struct { - char x_lnno[2]; /* declaration line number */ - char x_size[2]; /* str/union/array size */ - } x_lnsz; - char x_fsize[4]; /* size of function */ - } x_misc; - union { - struct { /* if ISFCN, tag, or .bb */ - char x_lnnoptr[4]; /* ptr to fcn line # */ - char x_endndx[4]; /* entry ndx past block end */ - } x_fcn; - struct { /* if ISARY, up to 4 dimen. */ - char x_dimen[E_DIMNUM][2]; - } x_ary; - } x_fcnary; - char x_tvndx[2]; /* tv index */ - } x_sym; - - union { - char x_fname[E_FILNMLEN]; - struct { - char x_zeroes[4]; - char x_offset[4]; - } x_n; - } x_file; - - struct { - char x_scnlen[4]; /* section length */ - char x_nreloc[2]; /* # relocation entries */ - char x_nlinno[2]; /* # line numbers */ - } x_scn; - - struct { - char x_tvfill[4]; /* tv fill value */ - char x_tvlen[2]; /* length of .tv */ - char x_tvran[2][2]; /* tv range */ - } x_tv; /* info about .tv section (in auxent of symbol .tv)) */ - - -}; - -#define SYMENT struct external_syment -#define SYMESZ 18 -#define AUXENT union external_auxent -#define AUXESZ 18 - - -# define _ETEXT "etext" - - -/********************** RELOCATION DIRECTIVES **********************/ - - - -struct external_reloc { - char r_vaddr[4]; - char r_symndx[4]; - char r_type[2]; -}; - - -#define RELOC struct external_reloc -#define RELSZ 10 - -#define DEFAULT_DATA_SECTION_ALIGNMENT 4 -#define DEFAULT_BSS_SECTION_ALIGNMENT 4 -#define DEFAULT_TEXT_SECTION_ALIGNMENT 4 -/* For new sections we havn't heard of before */ -#define DEFAULT_SECTION_ALIGNMENT 4 |