| 1 | /* BFD back-end definitions used by all FreeBSD targets.
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| 2 | Copyright 1990, 1991, 1992, 1996, 1997, 2000, 2001, 2002
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| 3 | Free Software Foundation, Inc.
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| 4 |
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| 5 | This file is part of BFD, the Binary File Descriptor library.
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| 6 |
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| 7 | This program is free software; you can redistribute it and/or modify
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| 8 | it under the terms of the GNU General Public License as published by
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| 9 | the Free Software Foundation; either version 2 of the License, or
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| 10 | (at your option) any later version.
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| 11 |
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| 12 | This program is distributed in the hope that it will be useful,
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| 13 | but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 15 | GNU General Public License for more details.
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| 16 |
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| 17 | You should have received a copy of the GNU General Public License
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| 18 | along with this program; if not, write to the Free Software
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| 19 | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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| 20 | */
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| 21 |
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| 22 | /* FreeBSD ZMAGIC files never have the header in the text. */
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| 23 | #define N_HEADER_IN_TEXT(x) 0
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| 24 |
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| 25 | /* ZMAGIC files start at offset 0. Does not apply to QMAGIC files. */
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| 26 | #define TEXT_START_ADDR 0
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| 27 |
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| 28 | #define N_GETMAGIC_NET(exec) \
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| 29 | ((exec).a_info & 0xffff)
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| 30 | #define N_GETMID_NET(exec) \
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| 31 | (((exec).a_info >> 16) & 0x3ff)
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| 32 | #define N_GETFLAG_NET(ex) \
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| 33 | (((exec).a_info >> 26) & 0x3f)
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| 34 |
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| 35 | #define N_MACHTYPE(exec) \
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| 36 | ((enum machine_type) \
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| 37 | ((N_GETMAGIC_NET (exec) == ZMAGIC) ? N_GETMID_NET (exec) : \
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| 38 | ((exec).a_info >> 16) & 0x3ff))
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| 39 | #define N_FLAGS(exec) \
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| 40 | ((N_GETMAGIC_NET (exec) == ZMAGIC) ? N_GETFLAG_NET (exec) : \
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| 41 | ((exec).a_info >> 26) & 0x3f)
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| 42 |
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| 43 | #define N_SET_INFO(exec, magic, type, flags) \
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| 44 | ((exec).a_info = ((magic) & 0xffff) \
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| 45 | | (((int)(type) & 0x3ff) << 16) \
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| 46 | | (((flags) & 0x3f) << 26))
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| 47 | #define N_SET_MACHTYPE(exec, machtype) \
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| 48 | ((exec).a_info = \
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| 49 | ((exec).a_info & 0xfb00ffff) | ((((int)(machtype))&0x3ff) << 16))
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| 50 | #define N_SET_FLAGS(exec, flags) \
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| 51 | ((exec).a_info = \
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| 52 | ((exec).a_info & 0x03ffffff) | ((flags & 0x03f) << 26))
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| 53 |
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| 54 | #include "bfd.h"
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| 55 | #include "sysdep.h"
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| 56 | #include "libbfd.h"
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| 57 | #include "libaout.h"
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| 58 |
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| 59 | /* On FreeBSD, the magic number is always in i386 (little-endian)
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| 60 | format. I think. */
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| 61 | #define SWAP_MAGIC(ext) bfd_getl32 (ext)
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| 62 |
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| 63 | #define MY_write_object_contents MY(write_object_contents)
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| 64 | static bfd_boolean MY(write_object_contents) PARAMS ((bfd *abfd));
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| 65 |
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| 66 | #include "aout-target.h"
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| 67 |
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| 68 | /* Write an object file.
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| 69 | Section contents have already been written. We write the
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| 70 | file header, symbols, and relocation. */
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| 71 |
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| 72 | static bfd_boolean
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| 73 | MY(write_object_contents) (abfd)
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| 74 | bfd *abfd;
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| 75 | {
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| 76 | struct external_exec exec_bytes;
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| 77 | struct internal_exec *execp = exec_hdr (abfd);
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| 78 |
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| 79 | obj_reloc_entry_size (abfd) = RELOC_STD_SIZE;
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| 80 |
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| 81 | /* Magic number, maestro, please! */
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| 82 | switch (bfd_get_arch(abfd)) {
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| 83 | case bfd_arch_m68k:
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| 84 | if (strcmp (abfd->xvec->name, "a.out-m68k4k-netbsd") == 0)
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| 85 | N_SET_MACHTYPE(*execp, M_68K4K_NETBSD);
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| 86 | else
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| 87 | N_SET_MACHTYPE(*execp, M_68K_NETBSD);
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| 88 | break;
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| 89 | case bfd_arch_sparc:
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| 90 | N_SET_MACHTYPE(*execp, M_SPARC_NETBSD);
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| 91 | break;
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| 92 | case bfd_arch_i386:
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| 93 | N_SET_MACHTYPE(*execp, M_386_NETBSD);
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| 94 | break;
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| 95 | case bfd_arch_ns32k:
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| 96 | N_SET_MACHTYPE(*execp, M_532_NETBSD);
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| 97 | break;
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| 98 | default:
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| 99 | N_SET_MACHTYPE(*execp, M_UNKNOWN);
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| 100 | break;
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| 101 | }
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| 102 |
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| 103 | WRITE_HEADERS(abfd, execp);
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| 104 |
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| 105 | return TRUE;
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| 106 | }
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