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https://github.com/autc04/Retro68.git
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165 lines
4.4 KiB
C
165 lines
4.4 KiB
C
/* coff information for Sparc.
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Copyright (C) 2001-2017 Free Software Foundation, Inc.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
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MA 02110-1301, USA. */
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/* This file is an amalgamation of several standard include files that
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define coff format, such as filehdr.h, aouthdr.h, and so forth. In
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addition, all datatypes have been translated into character arrays of
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(presumed) equivalent size. This is necessary so that this file can
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be used with different systems while still yielding the same results. */
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#define L_LNNO_SIZE 2
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#define DO_NOT_DEFINE_SYMENT
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#define DO_NOT_DEFINE_AUXENT
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#include "coff/external.h"
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#define F_RELFLG (0x0001) /* relocation info stripped */
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#define F_EXEC (0x0002) /* file is executable */
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#define F_LNNO (0x0004) /* line numbers stripped */
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#define F_LSYMS (0x0008) /* local symbols stripped */
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#define SPARCMAGIC (0540)
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/* This is Lynx's all-platform magic number for executables. */
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#define LYNXCOFFMAGIC (0415)
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#define OMAGIC 0404 /* object files, eg as output */
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#define ZMAGIC 0413 /* demand load format, eg normal ld output */
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#define STMAGIC 0401 /* target shlib */
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#define SHMAGIC 0443 /* host shlib */
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/* More names of "special" sections. */
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#define _TV ".tv"
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#define _INIT ".init"
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#define _FINI ".fini"
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/********************** SYMBOLS **********************/
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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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struct external_syment
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{
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union {
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char e_name[E_SYMNMLEN];
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struct {
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char e_zeroes[4];
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char e_offset[4];
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} e;
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#if 0 /* of doubtful value */
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char e_nptr[2][4];
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struct {
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char e_leading_zero[1];
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char e_dbx_type[1];
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char e_dbx_desc[2];
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} e_dbx;
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#endif
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} e;
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char e_value[4];
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char e_scnum[2];
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char e_type[2];
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char e_sclass[1];
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char e_numaux[1];
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char padding[2];
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};
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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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union external_auxent
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{
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struct {
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char x_tagndx[4]; /* str, un, or enum tag indx */
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union {
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struct {
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char x_lnno[2]; /* declaration line number */
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char x_size[2]; /* str/union/array size */
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} x_lnsz;
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char x_fsize[4]; /* size of function */
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} x_misc;
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union {
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struct { /* if ISFCN, tag, or .bb */
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char x_lnnoptr[4]; /* ptr to fcn line # */
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char x_endndx[4]; /* entry ndx past block end */
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} x_fcn;
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struct { /* if ISARY, up to 4 dimen. */
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char x_dimen[E_DIMNUM][2];
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} x_ary;
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} x_fcnary;
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char x_tvndx[2]; /* tv index */
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} x_sym;
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union {
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char x_fname[E_FILNMLEN];
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struct {
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char x_zeroes[4];
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char x_offset[4];
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} x_n;
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} x_file;
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struct {
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char x_scnlen[4]; /* section length */
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char x_nreloc[2]; /* # relocation entries */
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char x_nlinno[2]; /* # line numbers */
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} x_scn;
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struct {
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char x_tvfill[4]; /* tv fill value */
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char x_tvlen[2]; /* length of .tv */
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char x_tvran[2][2]; /* tv range */
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} x_tv; /* .tv section info (in auxent of sym .tv)) */
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char x_fill[20]; /* forces to 20-byte size */
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};
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#define SYMENT struct external_syment
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#define SYMESZ 20
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#define AUXENT union external_auxent
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#define AUXESZ 20
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#define COFF_ADJUST_SYM_OUT_POST(ABFD, INP, EXTP) \
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do \
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{ \
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SYMENT *extsym = (SYMENT *) (EXTP); \
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extsym->padding[0] = 0; \
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extsym->padding[1] = 0; \
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} while (0)
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#define _ETEXT "etext"
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/********************** RELOCATION DIRECTIVES **********************/
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struct external_reloc
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{
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char r_vaddr[4];
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char r_symndx[4];
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char r_type[2];
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char r_spare[2];
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char r_offset[4];
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};
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#define RELOC struct external_reloc
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#define RELSZ 16
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