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.
5 This file is part of BFD, the Binary File Descriptor library.
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.
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.
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. */
21 /* Written by Ian Dall
24 * Formerly part of aout-pc532-mach.c. Split out to allow more
25 * flexibility with multiple formats.
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
34 #define N_HEADER_IN_TEXT(x) 1
35 #define N_TXTSIZE(x) ((x).a_text)
37 #define TEXT_START_ADDR 0x10000 /* from old ld */
38 #define TARGET_PAGE_SIZE 0x1000 /* from old ld, 032 & 532 are really 512/4k */
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))
47 #define SEGMENT_SIZE TARGET_PAGE_SIZE
49 #define N_SHARED_LIB(x) 0
50 #define SEGMENT_SIZE TARGET_PAGE_SIZE
51 #define DEFAULT_ARCH bfd_arch_ns32k
53 #define MY(OP) CAT(pc532machaout_,OP)
55 /* Must be the same as aout-ns32k.c */
56 #define NAME(x,y) CAT3(ns32kaout,_32_,y)
58 #define TARGETNAME "a.out-pc532-mach"
64 #include "aout/aout64.h"
66 #define MY_bfd_reloc_type_lookup ns32kaout_bfd_reloc_type_lookup
68 /* libaout doesn't use NAME for these ... */
70 #define MY_get_section_contents aout_32_get_section_contents
72 #define MY_text_includes_header 1
74 #define MY_exec_header_not_counted 1
76 reloc_howto_type *ns32kaout_bfd_reloc_type_lookup
77 PARAMS ((bfd *abfd, bfd_reloc_code_real_type code));
79 static boolean MY(write_object_contents)
83 MY(write_object_contents) (abfd)
86 struct external_exec exec_bytes;
87 struct internal_exec *execp = exec_hdr (abfd);
89 obj_reloc_entry_size (abfd) = RELOC_STD_SIZE;
91 BFD_ASSERT (bfd_get_arch (abfd) == bfd_arch_ns32k);
92 switch (bfd_get_mach (abfd))
95 N_SET_MACHTYPE (*execp, M_NS32032);
99 N_SET_MACHTYPE (*execp, M_NS32532);
102 N_SET_FLAGS (*execp, aout_backend_info (abfd)->exec_hdr_flags);
104 WRITE_HEADERS(abfd, execp);
109 #define MY_write_object_contents MY(write_object_contents)
111 #include "aout-target.h"