From: Per Bothner <per@bothner.com>
Date: Wed, 18 Dec 1991 23:01:07 +0000 (+0000)
Subject: Initial revision
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=61ed7fc37cdcafd445a0024b7107e22363685f64;p=binutils-gdb.git

Initial revision
---

diff --git a/bfd/gen-aout.c b/bfd/gen-aout.c
new file mode 100644
index 00000000000..7515828fd7f
--- /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 <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;
+}