include/coff/sparc.h

   1 /* coff information for Sparc.
   2
   3    Copyright 2001 Free Software Foundation, Inc.
   4
   5    This program is free software; you can redistribute it and/or modify
   6    it under the terms of the GNU General Public License as published by
   7    the Free Software Foundation; either version 2 of the License, or
   8    (at your option) any later version.
   9
  10    This program is distributed in the hope that it will be useful,
  11    but WITHOUT ANY WARRANTY; without even the implied warranty of
  12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13    GNU General Public License for more details.
  14
  15    You should have received a copy of the GNU General Public License
  16    along with this program; if not, write to the Free Software
  17    Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA.  */
  18
  19 /* This file is an amalgamation of several standard include files that
  20    define coff format, such as filehdr.h, aouthdr.h, and so forth.  In
  21    addition, all datatypes have been translated into character arrays of
  22    (presumed) equivalent size.  This is necessary so that this file can
  23    be used with different systems while still yielding the same results.  */
  24
  25 #define L_LNNO_SIZE 2
  26 #define DO_NOT_DEFINE_SYMENT
  27 #define DO_NOT_DEFINE_AUXENT
  28 #include "coff/external.h"
  29
  30 #define F_RELFLG        (0x0001)        /* relocation info stripped */
  31 #define F_EXEC          (0x0002)        /* file is executable */
  32 #define F_LNNO          (0x0004)        /* line numbers stripped */
  33 #define F_LSYMS         (0x0008)        /* local symbols stripped */
  34
  35 #define SPARCMAGIC      (0540)
  36
  37 /* This is Lynx's all-platform magic number for executables. */
  38
  39 #define LYNXCOFFMAGIC   (0415)
  40
  41 #define OMAGIC          0404    /* object files, eg as output */
  42 #define ZMAGIC          0413    /* demand load format, eg normal ld output */
  43 #define STMAGIC         0401    /* target shlib */
  44 #define SHMAGIC         0443    /* host   shlib */
  45
  46 /* More names of "special" sections. */
  47
  48 #define _TV     ".tv"
  49 #define _INIT   ".init"
  50 #define _FINI   ".fini"
  51
  52 /********************** SYMBOLS **********************/
  53
  54 #define E_SYMNMLEN      (8)     /* # characters in a symbol name        */
  55 #define E_FILNMLEN      (14)    /* # characters in a file name          */
  56 #define E_DIMNUM        (4)     /* # array dimensions in auxiliary entry */
  57
  58 struct external_syment
  59 {
  60   union {
  61     char e_name[E_SYMNMLEN];
  62     struct {
  63       char e_zeroes[4];
  64       char e_offset[4];
  65     } e;
  66 #if 0 /* of doubtful value */
  67     char e_nptr[2][4];
  68     struct {
  69       char e_leading_zero[1];
  70       char e_dbx_type[1];
  71       char e_dbx_desc[2];
  72     } e_dbx;
  73 #endif
  74   } e;
  75
  76   char e_value[4];
  77   char e_scnum[2];
  78   char e_type[2];
  79   char e_sclass[1];
  80   char e_numaux[1];
  81   char padding[2];
  82 };
  83
  84 #define N_BTMASK        (0xf)
  85 #define N_TMASK         (0x30)
  86 #define N_BTSHFT        (4)
  87 #define N_TSHIFT        (2)
  88
  89 union external_auxent
  90 {
  91   struct {
  92     char x_tagndx[4];           /* str, un, or enum tag indx */
  93     union {
  94       struct {
  95         char  x_lnno[2];        /* declaration line number */
  96         char  x_size[2];        /* str/union/array size */
  97       } x_lnsz;
  98       char x_fsize[4];          /* size of function */
  99     } x_misc;
 100     union {
 101       struct {                  /* if ISFCN, tag, or .bb */
 102         char x_lnnoptr[4];      /* ptr to fcn line # */
 103         char x_endndx[4];       /* entry ndx past block end */
 104       } x_fcn;
 105       struct {          /* if ISARY, up to 4 dimen. */
 106         char x_dimen[E_DIMNUM][2];
 107       } x_ary;
 108     } x_fcnary;
 109     char x_tvndx[2];            /* tv index */
 110   } x_sym;
 111
 112   union {
 113     char x_fname[E_FILNMLEN];
 114     struct {
 115       char x_zeroes[4];
 116       char x_offset[4];
 117     } x_n;
 118   } x_file;
 119
 120   struct {
 121     char x_scnlen[4];           /* section length */
 122     char x_nreloc[2];           /* # relocation entries */
 123     char x_nlinno[2];           /* # line numbers */
 124   } x_scn;
 125
 126   struct {
 127     char x_tvfill[4];           /* tv fill value */
 128     char x_tvlen[2];            /* length of .tv */
 129     char x_tvran[2][2];         /* tv range */
 130   } x_tv;                       /* .tv section info (in auxent of sym .tv)) */
 131
 132   char x_fill[20];              /* forces to 20-byte size */
 133 };
 134
 135 #define SYMENT  struct external_syment
 136 #define SYMESZ  20
 137 #define AUXENT  union external_auxent
 138 #define AUXESZ  20
 139
 140 #define _ETEXT  "etext"
 141
 142 /********************** RELOCATION DIRECTIVES **********************/
 143
 144 struct external_reloc
 145 {
 146   char r_vaddr[4];
 147   char r_symndx[4];
 148   char r_type[2];
 149   char r_spare[2];
 150   char r_offset[4];
 151 };
 152
 153 #define RELOC struct external_reloc
 154 #define RELSZ 16
 155