1 /* BFD back-end for Mach3/532 a.out-ish binaries. 2 Copyright 1990, 1991, 1992, 1994, 1995, 2000, 2001, 2002, 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 /* Written by Ian Dall 24 19-Apr-94 25 26 Formerly part of aout-pc532-mach.c. Split out to allow more 27 flexibility with multiple formats. */ 28 29 /* This architecture has N_TXTOFF and N_TXTADDR defined as if 30 N_HEADER_IN_TEXT, but the a_text entry (text size) does not include the 31 space for the header. So we have N_HEADER_IN_TEXT defined to 32 1 and specially define our own N_TXTSIZE. */ 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 /* Do not "beautify" the CONCAT* macro args. Traditional C will not 54 remove whitespace added here, and thus will fail to concatenate 55 the tokens. */ 56 #define MY(OP) CONCAT2 (pc532machaout_,OP) 57 58 /* Must be the same as aout-ns32k.c */ 59 #define NAME(x,y) CONCAT3 (ns32kaout,_32_,y) 60 61 #define TARGETNAME "a.out-pc532-mach" 62 63 #include "sysdep.h" 64 #include "bfd.h" 65 #include "libaout.h" 66 #include "libbfd.h" 67 #include "aout/aout64.h" 68 69 #define MY_bfd_reloc_type_lookup ns32kaout_bfd_reloc_type_lookup 70 71 /* libaout doesn't use NAME for these ... */ 72 73 #define MY_get_section_contents aout_32_get_section_contents 74 75 #define MY_text_includes_header 1 76 77 #define MY_exec_header_not_counted 1 78 79 reloc_howto_type *ns32kaout_bfd_reloc_type_lookup 80 PARAMS ((bfd *abfd, bfd_reloc_code_real_type code)); 81 82 static bfd_boolean MY(write_object_contents) 83 PARAMS ((bfd *abfd)); 84 85 static bfd_boolean 86 MY(write_object_contents) (abfd) 87 bfd *abfd; 88 { 89 struct external_exec exec_bytes; 90 struct internal_exec *execp = exec_hdr (abfd); 91 92 obj_reloc_entry_size (abfd) = RELOC_STD_SIZE; 93 94 BFD_ASSERT (bfd_get_arch (abfd) == bfd_arch_ns32k); 95 switch (bfd_get_mach (abfd)) 96 { 97 case 32032: 98 N_SET_MACHTYPE (*execp, M_NS32032); 99 break; 100 case 32532: 101 default: 102 N_SET_MACHTYPE (*execp, M_NS32532); 103 break; 104 } 105 N_SET_FLAGS (*execp, aout_backend_info (abfd)->exec_hdr_flags); 106 107 WRITE_HEADERS(abfd, execp); 108 109 return TRUE; 110 } 111 112 #define MY_write_object_contents MY(write_object_contents) 113 114 #include "aout-target.h" 115