OpenE2K/binutils-gdb
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This commit is contained in:
Per Bothner 1991-12-18 23:01:07 +00:00
parent e83f304031
commit 61ed7fc37c
1 changed files with 67 additions and 0 deletions
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bfd/gen-aout.c Normal file
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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 };
main ()
{
struct exec my_exec;
int page_size;
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;
}
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 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);
return 0;
}