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Diffstat (limited to 'include/coff/external.h')
| -rw-r--r-- | include/coff/external.h | 254 |
1 files changed, 254 insertions, 0 deletions
diff --git a/include/coff/external.h b/include/coff/external.h new file mode 100644 index 0000000..b584f30 --- /dev/null +++ b/include/coff/external.h @@ -0,0 +1,254 @@ +/* external.h -- External COFF structures + + 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 COFF_EXTERNAL_H +#define COFF_EXTERNAL_H + +#ifndef DO_NOT_DEFINE_FILHDR +/********************** 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 FILHDR struct external_filehdr +#define FILHSZ 20 +#endif + +#ifndef DO_NOT_DEFINE_AOUTHDR +/********************** AOUT "OPTIONAL HEADER" **********************/ + +typedef struct external_aouthdr + { + 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 AOUTHDRSZ 28 +#define AOUTSZ 28 +#endif + +#ifndef DO_NOT_DEFINE_SCNHDR +/********************** 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 */ + }; + +#define SCNHDR struct external_scnhdr +#define SCNHSZ 40 + +/* Names of "special" sections. */ + +#define _TEXT ".text" +#define _DATA ".data" +#define _BSS ".bss" +#define _COMMENT ".comment" +#define _LIB ".lib" +#endif /* not DO_NOT_DEFINE_SCNHDR */ + +#ifndef DO_NOT_DEFINE_LINENO + +/********************** LINE NUMBERS **********************/ + +#ifndef L_LNNO_SIZE +#error L_LNNO_SIZE needs to be defined +#endif + +/* 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[L_LNNO_SIZE]; /* line number */ +}; + +#define LINENO struct external_lineno +#define LINESZ (4 + L_LNNO_SIZE) + +#if L_LNNO_SIZE == 4 +#define GET_LINENO_LNNO(abfd, ext) bfd_h_get_32 (abfd, (bfd_byte *) (ext->l_lnno)); +#define PUT_LINENO_LNNO(abfd,val, ext) bfd_h_put_32 (abfd,val, (bfd_byte *) (ext->l_lnno)); +#endif +#if L_LNNO_SIZE == 2 +#define GET_LINENO_LNNO(abfd, ext) bfd_h_get_16 (abfd, (bfd_byte *) (ext->l_lnno)); +#define PUT_LINENO_LNNO(abfd,val, ext) bfd_h_put_16 (abfd,val, (bfd_byte *) (ext->l_lnno)); +#endif + +#endif /* not DO_NOT_DEFINE_LINENO */ + +#ifndef DO_NOT_DEFINE_SYMENT +/********************** SYMBOLS **********************/ + +#define E_SYMNMLEN 8 /* # characters in a symbol name */ +#ifndef E_FILNMLEN +#define E_FILNMLEN 14 +#endif +#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 SYMENT struct external_syment +#define SYMESZ 18 + +#ifndef N_BTMASK +#define N_BTMASK 0xf +#endif + +#ifndef N_TMASK +#define N_TMASK 0x30 +#endif + +#ifndef N_BTSHFT +#define N_BTSHFT 4 +#endif + +#ifndef N_TSHIFT +#define N_TSHIFT 2 +#endif + +#endif /* not DO_NOT_DEFINE_SYMENT */ + +#ifndef DO_NOT_DEFINE_AUXENT + +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 */ +#ifdef INCLUDE_COMDAT_FIELDS_IN_AUXENT + char x_checksum[4]; /* section COMDAT checksum */ + char x_associated[2]; /* COMDAT associated section index */ + char x_comdat[1]; /* COMDAT selection number */ +#endif + } 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 AUXENT union external_auxent +#define AUXESZ 18 + +#define _ETEXT "etext" + +#endif /* not DO_NOT_DEFINE_AUXENT */ + +#endif /* COFF_EXTERNAL_H */ |