diff options
Diffstat (limited to 'include/coff/external.h')
| -rw-r--r-- | include/coff/external.h | 174 |
1 files changed, 84 insertions, 90 deletions
diff --git a/include/coff/external.h b/include/coff/external.h index 772b866..1b3c06d 100644 --- a/include/coff/external.h +++ b/include/coff/external.h @@ -1,17 +1,17 @@ /* external.h -- External COFF structures - + Copyright (C) 2001-2025 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 3 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., 51 Franklin Street - Fifth Floor, Boston, @@ -21,41 +21,41 @@ #define COFF_EXTERNAL_H #ifndef DO_NOT_DEFINE_FILHDR -/********************** FILE HEADER **********************/ + +#define FILHDR struct external_filehdr +#define FILHSZ 20 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 +{ + 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 */ +}; #endif #ifndef DO_NOT_DEFINE_AOUTHDR -/********************** AOUT "OPTIONAL HEADER" **********************/ + +#define AOUTHDRSZ 28 +#define AOUTSZ 28 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 */ - } ATTRIBUTE_PACKED +{ + 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 */ +} ATTRIBUTE_PACKED AOUTHDR; -#define AOUTHDRSZ 28 -#define AOUTSZ 28 +#define AOUTHDRSZ64 24 typedef struct external_aouthdr64 { @@ -65,32 +65,30 @@ typedef struct external_aouthdr64 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 text_start[4]; /* Base of text used for this file. */ } AOUTHDR64; -#define AOUTHDRSZ64 24 #endif /* not DO_NOT_DEFINE_AOUTHDR */ #ifndef DO_NOT_DEFINE_SCNHDR -/********************** SECTION HEADER **********************/ + +#define SCNHDR struct external_scnhdr +#define SCNHSZ 40 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 +{ + 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. */ @@ -103,12 +101,13 @@ struct external_scnhdr #ifndef DO_NOT_DEFINE_LINENO -/********************** LINE NUMBERS **********************/ - #ifndef L_LNNO_SIZE #error L_LNNO_SIZE needs to be defined #endif +#define LINENO struct external_lineno +#define LINESZ (4 + L_LNNO_SIZE) + /* 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 @@ -124,9 +123,6 @@ struct external_lineno 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) H_GET_32 (abfd, (ext->l_lnno)) #define PUT_LINENO_LNNO(abfd, val, ext) H_PUT_32 (abfd, val, (ext->l_lnno)) @@ -139,15 +135,11 @@ struct external_lineno #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 */ +#define SYMESZ 18 -struct external_syment +typedef struct external_syment { union { @@ -165,10 +157,8 @@ struct external_syment char e_type[2]; char e_sclass[1]; char e_numaux[1]; -} ATTRIBUTE_PACKED ; - -#define SYMENT struct external_syment -#define SYMESZ 18 +} ATTRIBUTE_PACKED +SYMENT; #ifndef N_BTMASK #define N_BTMASK 0xf @@ -190,12 +180,16 @@ struct external_syment #ifndef DO_NOT_DEFINE_AUXENT -union external_auxent +#define E_FILNMLEN 14 /* # characters in a file name */ +#define E_DIMNUM 4 /* # array dimensions in auxiliary entry */ +#define AUXESZ 18 + +typedef union external_auxent { struct { char x_tagndx[4]; /* str, un, or enum tag indx */ - + union { struct @@ -203,66 +197,66 @@ union external_auxent 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 */ + 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. */ + + 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]; - + /* Make x_fname the full auxent size, so that if coff/pe.h + redefines E_FILNMLEN from 14 to 18 we don't trigger sanitisers + accessing x_fname. Beware use of sizeof (x_file.x_fname). */ + char x_fname[AUXESZ]; + 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 + 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; - + + /* info about .tv section (in auxent of symbol .tv). */ 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)) */ -} ATTRIBUTE_PACKED ; - -#define AUXENT union external_auxent -#define AUXESZ 18 - -#define _ETEXT "etext" + } x_tv; +} ATTRIBUTE_PACKED +AUXENT; #endif /* not DO_NOT_DEFINE_AUXENT */ |