| 1 | /* BFD back-end definitions used by all FreeBSD targets. |
| 2 | Copyright 1990, 1991, 1992, 1996, 1997, 2000, 2001, 2002, 2005, 2007 |
| 3 | Free Software Foundation, Inc. |
| 4 | |
| 5 | This file is part of BFD, the Binary File Descriptor library. |
| 6 | |
| 7 | This program is free software; you can redistribute it and/or modify |
| 8 | it under the terms of the GNU General Public License as published by |
| 9 | the Free Software Foundation; either version 3 of the License, or |
| 10 | (at your option) any later version. |
| 11 | |
| 12 | This program is distributed in the hope that it will be useful, |
| 13 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 15 | GNU General Public License for more details. |
| 16 | |
| 17 | You should have received a copy of the GNU General Public License |
| 18 | along with this program; if not, write to the Free Software |
| 19 | Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, |
| 20 | MA 02110-1301, USA. */ |
| 21 | |
| 22 | |
| 23 | /* FreeBSD ZMAGIC files never have the header in the text. */ |
| 24 | #define N_HEADER_IN_TEXT(x) 0 |
| 25 | |
| 26 | /* ZMAGIC files start at offset 0. Does not apply to QMAGIC files. */ |
| 27 | #define TEXT_START_ADDR 0 |
| 28 | |
| 29 | #define N_GETMAGIC_NET(exec) \ |
| 30 | ((exec).a_info & 0xffff) |
| 31 | #define N_GETMID_NET(exec) \ |
| 32 | (((exec).a_info >> 16) & 0x3ff) |
| 33 | #define N_GETFLAG_NET(ex) \ |
| 34 | (((exec).a_info >> 26) & 0x3f) |
| 35 | |
| 36 | #define N_MACHTYPE(exec) \ |
| 37 | ((enum machine_type) \ |
| 38 | ((N_GETMAGIC_NET (exec) == ZMAGIC) ? N_GETMID_NET (exec) : \ |
| 39 | ((exec).a_info >> 16) & 0x3ff)) |
| 40 | #define N_FLAGS(exec) \ |
| 41 | ((N_GETMAGIC_NET (exec) == ZMAGIC) ? N_GETFLAG_NET (exec) : \ |
| 42 | ((exec).a_info >> 26) & 0x3f) |
| 43 | |
| 44 | #define N_SET_INFO(exec, magic, type, flags) \ |
| 45 | ((exec).a_info = ((magic) & 0xffff) \ |
| 46 | | (((int)(type) & 0x3ff) << 16) \ |
| 47 | | (((flags) & 0x3f) << 26)) |
| 48 | #define N_SET_MACHTYPE(exec, machtype) \ |
| 49 | ((exec).a_info = \ |
| 50 | ((exec).a_info & 0xfb00ffff) | ((((int) (machtype)) & 0x3ff) << 16)) |
| 51 | #define N_SET_FLAGS(exec, flags) \ |
| 52 | ((exec).a_info = \ |
| 53 | ((exec).a_info & 0x03ffffff) | ((flags & 0x03f) << 26)) |
| 54 | |
| 55 | #include "sysdep.h" |
| 56 | #include "bfd.h" |
| 57 | #include "libbfd.h" |
| 58 | #include "libaout.h" |
| 59 | |
| 60 | /* On FreeBSD, the magic number is always in i386 (little-endian) |
| 61 | format. I think. */ |
| 62 | #define SWAP_MAGIC(ext) bfd_getl32 (ext) |
| 63 | |
| 64 | #define MY_write_object_contents MY (write_object_contents) |
| 65 | static bfd_boolean MY (write_object_contents) (bfd *); |
| 66 | |
| 67 | #include "aout-target.h" |
| 68 | |
| 69 | /* Write an object file. |
| 70 | Section contents have already been written. We write the |
| 71 | file header, symbols, and relocation. */ |
| 72 | |
| 73 | static bfd_boolean |
| 74 | MY (write_object_contents) (bfd *abfd) |
| 75 | { |
| 76 | struct external_exec exec_bytes; |
| 77 | struct internal_exec *execp = exec_hdr (abfd); |
| 78 | |
| 79 | obj_reloc_entry_size (abfd) = RELOC_STD_SIZE; |
| 80 | |
| 81 | /* Magic number, maestro, please! */ |
| 82 | switch (bfd_get_arch(abfd)) |
| 83 | { |
| 84 | case bfd_arch_m68k: |
| 85 | if (strcmp (abfd->xvec->name, "a.out-m68k4k-netbsd") == 0) |
| 86 | N_SET_MACHTYPE (*execp, M_68K4K_NETBSD); |
| 87 | else |
| 88 | N_SET_MACHTYPE (*execp, M_68K_NETBSD); |
| 89 | break; |
| 90 | case bfd_arch_sparc: |
| 91 | N_SET_MACHTYPE (*execp, M_SPARC_NETBSD); |
| 92 | break; |
| 93 | case bfd_arch_i386: |
| 94 | N_SET_MACHTYPE (*execp, M_386_NETBSD); |
| 95 | break; |
| 96 | case bfd_arch_ns32k: |
| 97 | N_SET_MACHTYPE (*execp, M_532_NETBSD); |
| 98 | break; |
| 99 | default: |
| 100 | N_SET_MACHTYPE (*execp, M_UNKNOWN); |
| 101 | break; |
| 102 | } |
| 103 | |
| 104 | WRITE_HEADERS(abfd, execp); |
| 105 | |
| 106 | return TRUE; |
| 107 | } |