include/coff/sparc.h

   1 /* coff information for Sparc.
   2
   3    Copyright (C) 2001-2017 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 3 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,
  18    MA 02110-1301, USA.  */
  19
  20 /* This file is an amalgamation of several standard include files that
  21    define coff format, such as filehdr.h, aouthdr.h, and so forth.  In
  22    addition, all datatypes have been translated into character arrays of
  23    (presumed) equivalent size.  This is necessary so that this file can
  24    be used with different systems while still yielding the same results.  */
  25
  26 #define L_LNNO_SIZE 2
  27 #define DO_NOT_DEFINE_SYMENT
  28 #define DO_NOT_DEFINE_AUXENT
  29 #include "coff/external.h"
  30
  31 #define F_RELFLG        (0x0001)        /* relocation info stripped */
  32 #define F_EXEC          (0x0002)        /* file is executable */
  33 #define F_LNNO          (0x0004)        /* line numbers stripped */
  34 #define F_LSYMS         (0x0008)        /* local symbols stripped */
  35
  36 #define SPARCMAGIC      (0540)
  37
  38 /* This is Lynx's all-platform magic number for executables. */
  39
  40 #define LYNXCOFFMAGIC   (0415)
  41
  42 #define OMAGIC          0404    /* object files, eg as output */
  43 #define ZMAGIC          0413    /* demand load format, eg normal ld output */
  44 #define STMAGIC         0401    /* target shlib */
  45 #define SHMAGIC         0443    /* host   shlib */
  46
  47 /* More names of "special" sections. */
  48
  49 #define _TV     ".tv"
  50 #define _INIT   ".init"
  51 #define _FINI   ".fini"
  52
  53 /********************** SYMBOLS **********************/
  54
  55 #define E_SYMNMLEN      (8)     /* # characters in a symbol name        */
  56 #define E_FILNMLEN      (14)    /* # characters in a file name          */
  57 #define E_DIMNUM        (4)     /* # array dimensions in auxiliary entry */
  58
  59 struct external_syment
  60 {
  61   union {
  62     char e_name[E_SYMNMLEN];
  63     struct {
  64       char e_zeroes[4];
  65       char e_offset[4];
  66     } e;
  67 #if 0 /* of doubtful value */
  68     char e_nptr[2][4];
  69     struct {
  70       char e_leading_zero[1];
  71       char e_dbx_type[1];
  72       char e_dbx_desc[2];
  73     } e_dbx;
  74 #endif
  75   } e;
  76
  77   char e_value[4];
  78   char e_scnum[2];
  79   char e_type[2];
  80   char e_sclass[1];
  81   char e_numaux[1];
  82   char padding[2];
  83 };
  84
  85 #define N_BTMASK        (0xf)
  86 #define N_TMASK         (0x30)
  87 #define N_BTSHFT        (4)
  88 #define N_TSHIFT        (2)
  89
  90 union external_auxent
  91 {
  92   struct {
  93     char x_tagndx[4];           /* str, un, or enum tag indx */
  94     union {
  95       struct {
  96         char  x_lnno[2];        /* declaration line number */
  97         char  x_size[2];        /* str/union/array size */
  98       } x_lnsz;
  99       char x_fsize[4];          /* size of function */
 100     } x_misc;
 101     union {
 102       struct {                  /* if ISFCN, tag, or .bb */
 103         char x_lnnoptr[4];      /* ptr to fcn line # */
 104         char x_endndx[4];       /* entry ndx past block end */
 105       } x_fcn;
 106       struct {          /* if ISARY, up to 4 dimen. */
 107         char x_dimen[E_DIMNUM][2];
 108       } x_ary;
 109     } x_fcnary;
 110     char x_tvndx[2];            /* tv index */
 111   } x_sym;
 112
 113   union {
 114     char x_fname[E_FILNMLEN];
 115     struct {
 116       char x_zeroes[4];
 117       char x_offset[4];
 118     } x_n;
 119   } x_file;
 120
 121   struct {
 122     char x_scnlen[4];           /* section length */
 123     char x_nreloc[2];           /* # relocation entries */
 124     char x_nlinno[2];           /* # line numbers */
 125   } x_scn;
 126
 127   struct {
 128     char x_tvfill[4];           /* tv fill value */
 129     char x_tvlen[2];            /* length of .tv */
 130     char x_tvran[2][2];         /* tv range */
 131   } x_tv;                       /* .tv section info (in auxent of sym .tv)) */
 132
 133   char x_fill[20];              /* forces to 20-byte size */
 134 };
 135
 136 #define SYMENT  struct external_syment
 137 #define SYMESZ  20
 138 #define AUXENT  union external_auxent
 139 #define AUXESZ  20
 140
 141 #define COFF_ADJUST_SYM_OUT_POST(ABFD, INP, EXTP)       \
 142   do                                                    \
 143     {                                                   \
 144       SYMENT *extsym = (SYMENT *) (EXTP);               \
 145       extsym->padding[0] = 0;                           \
 146       extsym->padding[1] = 0;                           \
 147     } while (0)
 148
 149 #define _ETEXT  "etext"
 150
 151 /********************** RELOCATION DIRECTIVES **********************/
 152
 153 struct external_reloc
 154 {
 155   char r_vaddr[4];
 156   char r_symndx[4];
 157   char r_type[2];
 158   char r_spare[2];
 159   char r_offset[4];
 160 };
 161
 162 #define RELOC struct external_reloc
 163 #define RELSZ 16
 164