1 /* BFD back-end for Mach3/532 a.out-ish binaries. 2 Copyright 1990, 1991, 1992, 1994, 1995, 2000, 2001 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 2 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ 20 21 /* Written by Ian Dall 22 * 19-Apr-94 23 * 24 * Formerly part of aout-pc532-mach.c. Split out to allow more 25 * flexibility with multiple formats. 26 * 27 */ 28 /* This architecture has N_TXTOFF and N_TXTADDR defined as if 29 * N_HEADER_IN_TEXT, but the a_text entry (text size) does not include the 30 * space for the header. So we have N_HEADER_IN_TEXT defined to 31 * 1 and specially define our own N_TXTSIZE 32 */ 33 34 #define N_HEADER_IN_TEXT(x) 1 35 #define N_TXTSIZE(x) ((x).a_text) 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 obj_reloc_entry_size (abfd) = RELOC_STD_SIZE; 96 97 BFD_ASSERT (bfd_get_arch (abfd) == bfd_arch_ns32k); 98 switch (bfd_get_mach (abfd)) 99 { 100 case 32032: 101 N_SET_MACHTYPE (*execp, M_NS32032); 102 break; 103 case 32532: 104 default: 105 N_SET_MACHTYPE (*execp, M_NS32532); 106 break; 107 } 108 N_SET_FLAGS (*execp, aout_backend_info (abfd)->exec_hdr_flags); 109 110 WRITE_HEADERS(abfd, execp); 111 112 return true; 113 } 114 115 #define MY_write_object_contents MY(write_object_contents) 116 117 #include "aout-target.h" 118