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- /* Generate parameters for an a.out system.
- Copyright (C) 1990-1991 Free Software Foundation, Inc.
-
- This file is part of BFD, the Binary File Descriptor library.
-
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
- (at your option) any later version.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
-
- #include "/usr/include/a.out.h"
- #include <stdio.h>
-
- /* Stuffed value of "ABCD" in a long, followed by a 0. */
- long int str[2] = { 0x41424344, 0x0 };
-
- int
- main (argc, argv)
- int argc; char** argv;
- {
- struct exec my_exec;
- int page_size;
- char *target;
- FILE *file = fopen("gen-aout", "r");
- if (file == NULL) {
- fprintf(stderr, "Cannot open gen-aout!\n");
- return -1;
- }
- if (fread(&my_exec, sizeof(struct exec), 1, file) != 1) {
- fprintf(stderr, "Cannot read gen-aout!\n");
- return -1;
- }
-
- target = argv[1];
- if (target == NULL) {
- fprintf(stderr, "Usage: gen-aout target_name\n");
- exit (-1);
- }
-
- if (strcmp ((char *)&str[0], "ABCD") == 0)
- printf("#define TARGET_IS_BIG_ENDIAN_P\n");
- else
- printf("#define TARGET_IS_LITTLE_ENDIAN_P\n");
-
- #ifdef N_TXTOFF
- page_size = N_TXTOFF(my_exec);
- if (page_size == 0)
- printf("#define N_HEADER_IN_TEXT(x) 1\n");
- else
- printf("#define N_HEADER_IN_TEXT(x) 0\n");
- #endif
-
- printf("#define BYTES_IN_WORD 4\n");
- printf("#define ARCH 32\n");
- if (my_exec.a_entry == 0) {
- printf("#define ENTRY_CAN_BE_ZERO\n");
- printf("#define N_SHARED_LIB(x) 0 /* Avoids warning */\n");
- }
- else {
- printf("/*#define ENTRY_CAN_BE_ZERO*/\n");
- printf("/*#define N_SHARED_LIB(x) 0\n*/");
- }
-
- printf("#define TEXT_START_ADDR %d\n", my_exec.a_entry);
-
- #ifdef PAGSIZ
- if (page_size == 0)
- page_size = PAGSIZ;
- #endif
- if (page_size != 0)
- printf("#define PAGE_SIZE %d\n", page_size);
- else
- printf("/* #define PAGE_SIZE ??? */\n");
- printf("#define SEGMENT_SIZE PAGE_SIZE\n");
-
- printf("#define DEFAULT_ARCH bfd_arch_m68k\n");
-
- printf("\n#define MY(OP) CAT(%s_,OP)\n", target);
- printf("#define TARGETNAME \"a.out-%s\"\n\n", target);
-
- printf("#include \"bfd.h\"\n");
- printf("#include \"sysdep.h\"\n");
- printf("#include \"libbfd.h\"\n");
- printf("#include \"libaout.h\"\n");
- printf("\n#include \"aout-target.h\"\n");
-
- return 0;
- }
-