From 61ed7fc37cdcafd445a0024b7107e22363685f64 Mon Sep 17 00:00:00 2001 From: Per Bothner Date: Wed, 18 Dec 1991 23:01:07 +0000 Subject: [PATCH] Initial revision --- bfd/gen-aout.c | 67 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 67 insertions(+) create mode 100644 bfd/gen-aout.c diff --git a/bfd/gen-aout.c b/bfd/gen-aout.c new file mode 100644 index 0000000..7515828 --- /dev/null +++ b/bfd/gen-aout.c @@ -0,0 +1,67 @@ +/* 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 + +/* 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; +} -- 2.7.4