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- /* BFD back-end for NetBSD/386 a.out-ish binaries.
- Copyright (C) 1990, 1991, 1992 Free Software Foundation, Inc.
-
- This file is part of BFD, the Binary File Descriptor library.
-
- 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., 675 Mass Ave, Cambridge, MA 02139, USA. */
-
- #define BYTES_IN_WORD 4
-
- /* ZMAGIC files never have the header in the text. */
- #define N_HEADER_IN_TEXT(x) 0
-
- /* ZMAGIC files start at address 0. This does not apply to QMAGIC. */
- #define TEXT_START_ADDR 0
- #define N_SHARED_LIB(x) 0
-
- #define PAGE_SIZE 4096
- #define SEGMENT_SIZE PAGE_SIZE
-
- #define DEFAULT_ARCH bfd_arch_i386
- #define MACHTYPE_OK(mtype) ((mtype) == M_386 || (mtype) == M_386_NETBSD || (mtype) == M_UNKNOWN)
-
- #define MY(OP) CAT(netbsd386_,OP)
- /* This needs to start with a.out so GDB knows it is an a.out variant. */
- #define TARGETNAME "a.out-netbsd-386"
-
- #define N_MAGIC(ex) \
- ( (((ex).a_info)&0xffff0000) ? ((((ex).a_info))&0xffff) : ((ex).a_info))
- #define N_MACHTYPE(ex) \
- ( (((ex).a_info)&0xffff0000) ? (((((ex).a_info))>>16)&0x03ff) : 0 )
- # define N_FLAGS(ex) \
- ( (((ex).a_info)&0xffff0000) ? ((((ex).a_info)>>26)&0x3f) : 0 )
- #define N_SET_INFO(ex, mag,mid,flag) \
- ( (ex).a_info = htonl( (((flag)&0x3f)<<26) | (((mid)&0x03ff)<<16) | \
- (((mag)&0xffff)) ) )
- #define N_SET_MAGIC(exec,magic) \
- ((exec).a_info = (((exec).a_info & ~0xffff) | ((magic) & 0xffff)))
- #define N_SET_MACHTYPE(exec,machtype) \
- ((exec).a_info = \
- (((exec).a_info & ~(0x3ff<<16)) | (((machtype)&0xff) << 16)))
- #define N_SET_FLAGS(exec, flags) \
- ((exec).a_info = \
- (((exec).a_info & ~(0x3f<<26)) | (((flags)&0x3f) << 26)))
-
- #include "bfd.h"
- #include "sysdep.h"
- #include "libbfd.h"
- #include "libaout.h"
-
- #define N_GETMAGIC2(ex) \
- ( (((ex).a_info)&0xffff0000) ? ((((ex).a_info))&0xffff) : \
- (((ex).a_info) | 0x10000) )
-
- #define N_TXTADDR(ex) (N_GETMAGIC2(ex) == (ZMAGIC|0x10000) ? 0 : 4096)
- #define N_TXTOFF(ex) \
- ( N_GETMAGIC2(ex)==ZMAGIC || N_GETMAGIC2(ex)==(QMAGIC|0x10000) ? \
- 0 : (N_GETMAGIC2(ex)==(ZMAGIC|0x10000) ? 4096 : EXEC_BYTES_SIZE ))
- #define N_ALIGN(ex,x) \
- (N_MAGIC(ex) == ZMAGIC || N_MAGIC(ex) == QMAGIC ? \
- ((x) + 4096 - 1) & ~(4096 - 1) : (x))
- #define N_DATADDR(ex) \
- N_ALIGN(ex, N_TXTADDR(ex) + (ex).a_text)
- /* Data segment offset. */
- #define N_DATOFF(ex) \
- N_ALIGN(ex, N_TXTOFF(ex) + (ex).a_text)
-
- /* #define N_BADMAG(x) n_badmag(N_MAGIC(x)) */
-
- /* On NetBSD, the magic number is always in ntohl's "network" (big-endian)
- format. */
- #define SWAP_MAGIC(ext) bfd_getb32 (ext)
-
- #include "aout-target.h"
-
- #if 0
- int
- n_badmag(x)
- unsigned long x; {
- union {
- unsigned long l;
- unsigned char c[sizeof(unsigned long)];
- } l;
- unsigned char temp;
-
- printf ("x = %o, OMAGIC = %o, NMAGIC = %o, ZMAGIC = %o, QMAGIC = %o\n",
- x, OMAGIC, NMAGIC, ZMAGIC, QMAGIC);
-
- l.l = x;
- temp = l.c[0];
- l.c[0] = l.c[3];
- l.c[3] = temp;
- temp = l.c[2];
- l.c[2] = l.c[1];
- l.c[1] = temp;
- printf ("\tbyte-swapped(x) = %o\n", l.l);
-
- return (x != OMAGIC
- && x != NMAGIC
- && x != ZMAGIC
- && x != QMAGIC);
- }
- #endif
-
-