diff options
Diffstat (limited to 'bfd/gen-aout.c')
-rw-r--r-- | bfd/gen-aout.c | 120 |
1 files changed, 120 insertions, 0 deletions
diff --git a/bfd/gen-aout.c b/bfd/gen-aout.c new file mode 100644 index 0000000..b1a59ff --- /dev/null +++ b/bfd/gen-aout.c @@ -0,0 +1,120 @@ +/* Generate parameters for an a.out system. + Copyright (C) 1990-2014 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; +} |