| 1 | /* BFD back-end for Mach3/532 a.out-ish binaries. |
| 2 | Copyright (C) 1990, 1991, 1992, 1994 Free Software Foundation, Inc. |
| 3 | |
| 4 | This file is part of BFD, the Binary File Descriptor library. |
| 5 | |
| 6 | This program is free software; you can redistribute it and/or modify |
| 7 | it under the terms of the GNU General Public License as published by |
| 8 | the Free Software Foundation; either version 2 of the License, or |
| 9 | (at your option) any later version. |
| 10 | |
| 11 | This program is distributed in the hope that it will be useful, |
| 12 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 14 | GNU General Public License for more details. |
| 15 | |
| 16 | You should have received a copy of the GNU General Public License |
| 17 | along with this program; if not, write to the Free Software |
| 18 | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ |
| 19 | |
| 20 | /* Written by Ian Dall |
| 21 | * 19-Apr-94 |
| 22 | * |
| 23 | * Formerly part of aout-pc532-mach.c. Split out to allow more |
| 24 | * flexibility with multiple formats. |
| 25 | * |
| 26 | */ |
| 27 | /* This architecture has N_TXTOFF and N_TXTADDR defined as if |
| 28 | * N_HEADER_IN_TEXT, but the a_text entry (text size) does not include the |
| 29 | * space for the header. So we have N_HEADER_IN_TEXT defined to |
| 30 | * 1 and specially define our own N_TXTSIZE |
| 31 | */ |
| 32 | |
| 33 | #define N_HEADER_IN_TEXT(x) 1 |
| 34 | #define N_TXTSIZE(x) ((x).a_text) |
| 35 | |
| 36 | |
| 37 | #define TEXT_START_ADDR 0x10000 /* from old ld */ |
| 38 | #define TARGET_PAGE_SIZE 0x1000 /* from old ld, 032 & 532 are really 512/4k */ |
| 39 | |
| 40 | /* Use a_entry of 0 to distinguish object files from OMAGIC executables */ |
| 41 | #define N_TXTADDR(x) \ |
| 42 | (N_MAGIC(x) == OMAGIC ? \ |
| 43 | ((x).a_entry < TEXT_START_ADDR? 0: TEXT_START_ADDR): \ |
| 44 | (N_MAGIC(x) == NMAGIC? TEXT_START_ADDR: \ |
| 45 | TEXT_START_ADDR + EXEC_BYTES_SIZE)) |
| 46 | |
| 47 | #define SEGMENT_SIZE TARGET_PAGE_SIZE |
| 48 | |
| 49 | #define N_SHARED_LIB(x) 0 |
| 50 | #define SEGMENT_SIZE TARGET_PAGE_SIZE |
| 51 | #define DEFAULT_ARCH bfd_arch_ns32k |
| 52 | |
| 53 | #define MY(OP) CAT(pc532machaout_,OP) |
| 54 | |
| 55 | /* Must be the same as aout-ns32k.c */ |
| 56 | #define NAME(x,y) CAT3(ns32kaout,_32_,y) |
| 57 | |
| 58 | #define TARGETNAME "a.out-pc532-mach" |
| 59 | |
| 60 | #include "bfd.h" |
| 61 | #include "sysdep.h" |
| 62 | #include "libaout.h" |
| 63 | #include "libbfd.h" |
| 64 | #include "aout/aout64.h" |
| 65 | |
| 66 | /* We can`t use the MYNS macro here for cpp reasons too subtle for me -- IWD */ |
| 67 | |
| 68 | #define MY_bfd_reloc_type_lookup ns32kaout_bfd_reloc_type_lookup |
| 69 | |
| 70 | /* libaout doesn't use NAME for these ... */ |
| 71 | |
| 72 | #define MY_get_section_contents aout_32_get_section_contents |
| 73 | |
| 74 | #define MY_text_includes_header 1 |
| 75 | |
| 76 | #define MY_exec_header_not_counted 1 |
| 77 | |
| 78 | #define MYNSX(OP) CAT(ns32kaout_,OP) |
| 79 | reloc_howto_type * |
| 80 | MYNSX(bfd_reloc_type_lookup) |
| 81 | PARAMS((bfd *abfd AND |
| 82 | bfd_reloc_code_real_type code)); |
| 83 | |
| 84 | boolean |
| 85 | MYNSX(write_object_contents) |
| 86 | PARAMS((bfd *abfd)); |
| 87 | |
| 88 | static boolean |
| 89 | MY(write_object_contents) (abfd) |
| 90 | bfd *abfd; |
| 91 | { |
| 92 | struct external_exec exec_bytes; |
| 93 | struct internal_exec *execp = exec_hdr (abfd); |
| 94 | |
| 95 | #if CHOOSE_RELOC_SIZE |
| 96 | CHOOSE_RELOC_SIZE(abfd); |
| 97 | #else |
| 98 | obj_reloc_entry_size (abfd) = RELOC_STD_SIZE; |
| 99 | #endif |
| 100 | |
| 101 | BFD_ASSERT (bfd_get_arch (abfd) == bfd_arch_ns32k); |
| 102 | switch (bfd_get_mach (abfd)) |
| 103 | { |
| 104 | case 32032: |
| 105 | N_SET_MACHTYPE (*execp, M_NS32032); |
| 106 | break; |
| 107 | case 32532: |
| 108 | default: |
| 109 | N_SET_MACHTYPE (*execp, M_NS32532); |
| 110 | break; |
| 111 | } |
| 112 | N_SET_FLAGS (*execp, aout_backend_info (abfd)->exec_hdr_flags); |
| 113 | |
| 114 | WRITE_HEADERS(abfd, execp); |
| 115 | |
| 116 | return true; |
| 117 | } |
| 118 | |
| 119 | #define MY_write_object_contents MY(write_object_contents) |
| 120 | |
| 121 | #include "aout-target.h" |