diff options
Diffstat (limited to 'include/coff/m68k.h')
| -rw-r--r-- | include/coff/m68k.h | 204 |
1 files changed, 30 insertions, 174 deletions
diff --git a/include/coff/m68k.h b/include/coff/m68k.h index c9147ed..5c5f758 100644 --- a/include/coff/m68k.h +++ b/include/coff/m68k.h @@ -1,20 +1,26 @@ -/*** coff information for M68K */ +/* coff information for M68K + + Copyright 2001 Free Software Foundation, Inc. + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ #ifndef GNU_COFF_M68K_H #define GNU_COFF_M68K_H 1 -/********************** 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 */ -}; - +#define L_LNNO_SIZE 2 +#include "coff/external.h" /* Motorola 68000/68008/68010/68020 */ #define MC68MAGIC 0520 @@ -25,7 +31,7 @@ struct external_filehdr { #define M68MAGIC 0210 #define M68TVMAGIC 0211 -/* this is the magic of the Bull dpx/2 */ +/* This is the magic of the Bull dpx/2 */ #define MC68KBCSMAGIC 0526 /* This is Lynx's all-platform magic number for executables. */ @@ -36,8 +42,14 @@ struct external_filehdr { /* This intentionally does not include MC68KBCSMAGIC; it only includes magic numbers which imply that names do not have underscores. */ -#define M68KBADMAG(x) (((x).f_magic!=MC68MAGIC) && ((x).f_magic!=MC68KWRMAGIC) && ((x).f_magic!=MC68TVMAGIC) && \ - ((x).f_magic!=MC68KROMAGIC) && ((x).f_magic!=MC68KPGMAGIC) && ((x).f_magic!=M68MAGIC) && ((x).f_magic!=M68TVMAGIC) && ((x).f_magic!=LYNXCOFFMAGIC) ) +#define M68KBADMAG(x) (((x).f_magic != MC68MAGIC) \ + && ((x).f_magic != MC68KWRMAGIC) \ + && ((x).f_magic != MC68TVMAGIC) \ + && ((x).f_magic != MC68KROMAGIC) \ + && ((x).f_magic != MC68KPGMAGIC) \ + && ((x).f_magic != M68MAGIC) \ + && ((x).f_magic != M68TVMAGIC) \ + && ((x).f_magic != LYNXCOFFMAGIC)) /* Magic numbers for the a.out header. */ @@ -46,174 +58,18 @@ struct external_filehdr { #define PAGEMAGICPEXECTSHLIB 0443 /* pure executable (target shared library) */ #define PAGEMAGICPEXECPAGED 0413 /* pure executable (paged) */ -#define FILHDR struct external_filehdr -#define FILHSZ 20 - - -/********************** 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 28 -#define AOUTHDRSZ 28 - - -/********************** 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" - -#define SCNHDR struct external_scnhdr -#define SCNHSZ 40 - - -/********************** 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_BTMASK (017) -#define N_TMASK (060) -#define N_BTSHFT (4) -#define N_TSHIFT (2) - - -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 - - - /********************** RELOCATION DIRECTIVES **********************/ - -struct external_reloc { +struct external_reloc +{ char r_vaddr[4]; char r_symndx[4]; char r_type[2]; #ifdef M68K_COFF_OFFSET char r_offset[4]; #endif - }; - #define RELOC struct external_reloc #ifdef M68K_COFF_OFFSET |