1 | /* BFD back-end definitions used by all FreeBSD targets. |
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2 | Copyright 1990, 1991, 1992, 1996, 1997, 2000, 2001 |
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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 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 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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