/* external.h  -- External COFF structures    Copyright (C) 2001-2026 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,   MA 02110-1301, USA.  */ #ifndef COFF_EXTERNAL_H#define COFF_EXTERNAL_H #ifndef DO_NOT_DEFINE_FILHDR #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			*/};#endif #ifndef DO_NOT_DEFINE_AOUTHDR #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_PACKEDAOUTHDR; #define AOUTHDRSZ64 24 typedef struct external_aouthdr64{  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.	*/}AOUTHDR64; #endif /* not DO_NOT_DEFINE_AOUTHDR */ #ifndef DO_NOT_DEFINE_SCNHDR #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				*/}; /* 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 #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   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		*/}; #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))#endif#if L_LNNO_SIZE == 2#define GET_LINENO_LNNO(abfd, ext)      H_GET_16 (abfd,      (ext->l_lnno))#define PUT_LINENO_LNNO(abfd, val, ext) H_PUT_16 (abfd, val, (ext->l_lnno))#endif #endif /* not DO_NOT_DEFINE_LINENO */ #ifndef DO_NOT_DEFINE_SYMENT #define E_SYMNMLEN	8	/* # characters in a symbol name	*/#define SYMESZ	18 typedef 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];} ATTRIBUTE_PACKEDSYMENT; #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 #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      {	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  {    /* 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  } 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;} ATTRIBUTE_PACKEDAUXENT; #endif /* not DO_NOT_DEFINE_AUXENT */ #endif /* COFF_EXTERNAL_H */