121 lines
3.2 KiB
C
121 lines
3.2 KiB
C
/* Generate parameters for an a.out system.
|
|
Copyright 1990-2013 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 3 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., 51 Franklin Street - Fifth Floor, Boston,
|
|
MA 02110-1301, USA. */
|
|
|
|
#include "/usr/include/a.out.h"
|
|
#include <stdio.h>
|
|
|
|
#ifndef _
|
|
#define _(X) X
|
|
#endif
|
|
|
|
int
|
|
main (int argc, char** argv)
|
|
{
|
|
struct exec my_exec;
|
|
int page_size;
|
|
char * target;
|
|
char * arch = "unknown";
|
|
FILE * file;
|
|
|
|
target = argv[1];
|
|
if (target == NULL)
|
|
{
|
|
fprintf (stderr, "Usage: gen-aout target_name\n");
|
|
exit (1);
|
|
}
|
|
|
|
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;
|
|
}
|
|
|
|
fclose (file);
|
|
|
|
#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 %d\n", sizeof (int));
|
|
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 TARGET_PAGE_SIZE %d\n", page_size);
|
|
else
|
|
printf ("/* #define TARGET_PAGE_SIZE ??? */\n");
|
|
|
|
printf ("#define SEGMENT_SIZE TARGET_PAGE_SIZE\n");
|
|
|
|
#ifdef vax
|
|
arch = "vax";
|
|
#endif
|
|
#ifdef m68k
|
|
arch = "m68k";
|
|
#endif
|
|
if (arch[0] == '1')
|
|
{
|
|
fprintf (stderr, _("warning: preprocessor substituted architecture name inside string;"));
|
|
fprintf (stderr, _(" fix DEFAULT_ARCH in the output file yourself\n"));
|
|
arch = "unknown";
|
|
}
|
|
printf ("#define DEFAULT_ARCH bfd_arch_%s\n\n", arch);
|
|
|
|
printf ("/* Do not \"beautify\" the CONCAT* macro args. Traditional C will not");
|
|
printf (" remove whitespace added here, and thus will fail to concatenate");
|
|
printf (" the tokens. */");
|
|
printf ("\n#define MY(OP) CONCAT2 (%s_,OP)\n\n", target);
|
|
printf ("#define TARGETNAME \"a.out-%s\"\n\n", target);
|
|
|
|
printf ("#include \"sysdep.h\"\n");
|
|
printf ("#include \"bfd.h\"\n");
|
|
printf ("#include \"libbfd.h\"\n");
|
|
printf ("#include \"libaout.h\"\n");
|
|
printf ("\n#include \"aout-target.h\"\n");
|
|
|
|
return 0;
|
|
}
|