Home | History | Annotate | Download | only in coff 
      1 /* coff information for Sparc.
      2 
      3    Copyright (C) 2001-2014 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 _ETEXT	"etext"
    142 
    143 /********************** RELOCATION DIRECTIVES **********************/
    144 
    145 struct external_reloc
    146 {
    147   char r_vaddr[4];
    148   char r_symndx[4];
    149   char r_type[2];
    150   char r_spare[2];
    151   char r_offset[4];
    152 };
    153 
    154 #define RELOC struct external_reloc
    155 #define RELSZ 16
    156 
    157