19990502 sourceware importbinu_ss_19990502

1 files changed, 101 insertions, 0 deletions

diff --git a/bfd/gen-aout.c b/bfd/gen-aout.c
new file mode 100644
index 00000000000..b5ed91a096b
--- /dev/null
+++ b/bfd/gen-aout.c
@@ -0,0 +1,101 @@
+/* Generate parameters for an a.out system.
+   Copyright (C) 1990, 91, 92, 93, 94, 98 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
+
+#include "/usr/include/a.out.h"
+#include <stdio.h>
+
+int
+main (argc, argv)
+     int argc; char** argv;
+{
+  struct exec my_exec;
+  int page_size;
+  char *target = "unknown", *arch = "unknown";
+  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;
+  }
+
+  target = argv[1];
+  if (target == NULL) {
+      fprintf(stderr, "Usage: gen-aout target_name\n");
+      exit (1);
+  }
+
+#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", arch);
+
+  printf("\n#define MY(OP) CAT(%s_,OP)\n", target);
+  printf("#define TARGETNAME \"a.out-%s\"\n\n", target);
+
+  printf("#include \"bfd.h\"\n");
+  printf("#include \"sysdep.h\"\n");
+  printf("#include \"libbfd.h\"\n");
+  printf("#include \"libaout.h\"\n");
+  printf("\n#include \"aout-target.h\"\n");
+
+  return 0;
+}