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/* This file describes the a.out file format
Copyright (C) 1987 Free Software Foundation, Inc.
This file is part of GAS, the GNU Assembler.
GAS 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, or (at your option)
any later version.
GAS 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 GAS; see the file COPYING. If not, write to
the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
/* $Id$ */
#ifdef USE_HP_INC_HDR
#include "../binutils/hp-include/a.out.h"
#else
#ifdef USE_SYSTEM_HDR
#include "/usr/include/a.out.h"
#else
#ifdef USE_HP_HDR
/* The `exec' structure and overall layout must be close to HP's when
we are running on an HP system, otherwise we will not be able to
execute the resulting file. */
struct exec
{
unsigned short a_machtype; /* machine type */
unsigned short a_magic; /* magic number */
unsigned long a_spare1;
unsigned long a_spare2;
unsigned long a_text; /* length of text, in bytes */
unsigned long a_data; /* length of data, in bytes */
unsigned long a_bss; /* length of uninitialized data area for file, in bytes */
unsigned long a_trsize; /* length of relocation info for text, in bytes */
unsigned long a_drsize; /* length of relocation info for data, in bytes */
unsigned long a_spare3; /* HP = pascal interface size */
unsigned long a_spare4; /* HP = symbol table size */
unsigned long a_spare5; /* HP = debug name table size */
unsigned long a_entry; /* start address */
unsigned long a_spare6; /* HP = source line table size */
unsigned long a_spare7; /* HP = value table size */
unsigned long a_syms; /* length of symbol table data in file, in bytes */
unsigned long a_spare8;
};
#define N_MAGIC(exec) ((exec) . a_magic)
#define N_MACHTYPE(exec) ((exec) . a_machtype)
#define N_SET_MAGIC(exec, magic) (((exec) . a_magic) = (magic))
#define N_SET_MACHTYPE(exec, machtype) (((exec) . a_machtype) = (machtype))
#define N_BADMAG(x) ((_N_BADMAG (x)) || (_N_BADMACH (x)))
#define _N_BADMACH(x) \
(((N_MACHTYPE (x)) != HP9000S200_ID) && \
((N_MACHTYPE (x)) != HP98x6_ID))
#define _N_BADMAG(x) \
(((x).a_magic)!=OMAGIC && ((x).a_magic)!=NMAGIC && ((x).a_magic)!=ZMAGIC)
#define HP98x6_ID 0x20A
#define HP9000S200_ID 0x20C
#else
/* A Generic machine. . . */
/* JF I'm not sure where this file came from. I put the permit.text message in
it anyway. This file came to me as part of the original VAX assembler, but had
no copyright notices in it. */
struct exec {
long a_magic; /* number identifies as .o file and gives type of such. */
unsigned a_text; /* length of text, in bytes */
unsigned a_data; /* length of data, in bytes */
unsigned a_bss; /* length of uninitialized data area for file, in bytes */
unsigned a_syms; /* length of symbol table data in file, in bytes */
unsigned a_entry; /* start address */
unsigned a_trsize; /* length of relocation info for text, in bytes */
unsigned a_drsize; /* length of relocation info for data, in bytes */
};
#define N_BADMAG(x) \
(((x).a_magic)!=OMAGIC && ((x).a_magic)!=NMAGIC && ((x).a_magic)!=ZMAGIC)
#endif
/* From here down is common to both the HP and the generic machine */
#define OMAGIC 0407
#define NMAGIC 0410
#define ZMAGIC 0413
#define N_TXTOFF(x) \
((x).a_magic == ZMAGIC ? 1024 : sizeof(struct exec))
#define N_SYMOFF(x) \
(N_TXTOFF(x) + (x).a_text + (x).a_data + (x).a_trsize + (x).a_drsize)
#define N_STROFF(x) \
(N_SYMOFF(x) + (x).a_syms)
struct nlist {
union {
char *n_name;
struct nlist *n_next;
long n_strx;
} n_un;
char n_type;
char n_other;
short n_desc;
unsigned n_value;
};
#define N_UNDF 0
#define N_ABS 2
#define N_TEXT 4
#define N_DATA 6
#define N_BSS 8
#define N_FN 31 /* JF: Someone claims this should be 31 instead of
15. I just inherited this file; I didn't write
it. Who is right? */
#define N_EXT 1
#define N_TYPE 036
#define N_STAB 0340
struct relocation_info {
int r_address;
unsigned r_symbolnum:24,
r_pcrel:1,
r_length:2,
r_extern:1,
r_bsr:1, /* OVE: used on ns32k based systems, if you want */
r_disp:1, /* OVE: used on ns32k based systems, if you want */
nuthin:2;
};
#endif
#endif
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