fix seg fault in reloc reading code

[deliverable/binutils-gdb.git] / binutils / objcopy.c

diff --git a/binutils/objcopy.c b/binutils/objcopy.c
index b8a49c8a34423aa309e0aa2b70f8e325b9997b9f..cae66fc87fbaae7674281cf476216939521052d5 100644 (file)
--- a/binutils/objcopy.c
+++ b/binutils/objcopy.c
@@ -1,5 +1,5 @@
 /* objcopy.c -- copy object file from input to output, optionally massaging it.
-   Copyright (C) 1991, 92, 93, 94, 95, 96, 97, 98, 99, 2000
+   Copyright (C) 1991, 92, 93, 94, 95, 96, 97, 98, 99, 2000, 2001
    Free Software Foundation, Inc.
 
    This file is part of GNU Binutils.
@@ -215,6 +215,8 @@ static boolean weaken = false;
 #define OPTION_STRIP_UNNEEDED (OPTION_SET_START + 1)
 #define OPTION_WEAKEN (OPTION_STRIP_UNNEEDED + 1)
 #define OPTION_REDEFINE_SYM (OPTION_WEAKEN + 1)
+#define OPTION_SREC_LEN (OPTION_REDEFINE_SYM + 1)
+#define OPTION_SREC_FORCES3 (OPTION_SREC_LEN + 1)
 
 /* Options to handle if running as "strip".  */
 
@@ -290,6 +292,8 @@ static struct option copy_options[] =
   {"weaken", no_argument, 0, OPTION_WEAKEN},
   {"weaken-symbol", required_argument, 0, 'W'},
   {"redefine-sym", required_argument, 0, OPTION_REDEFINE_SYM},
+  {"srec-len", required_argument, 0, OPTION_SREC_LEN},
+  {"srec-forceS3", no_argument, 0, OPTION_SREC_FORCES3},
   {0, no_argument, 0, 0}
 };
 
@@ -301,6 +305,14 @@ extern char *program_name;
    -1 means if we should use argv[0] to decide. */
 extern int is_strip;
 
+/* The maximum length of an S record.  This variable is declared in srec.c
+   and can be modified by the --srec-len parameter.  */
+extern unsigned int Chunk;
+
+/* Restrict the generation of Srecords to type S3 only.
+   This variable is declare in bfd/srec.c and can be toggled
+   on by the --srec-forceS3 command line switch.  */
+extern boolean S3Forced;
 
 static void
 copy_usage (stream, exit_status)
@@ -350,6 +362,8 @@ copy_usage (stream, exit_status)
      --change-leading-char         Force output format's leading character style\n\
      --remove-leading-char         Remove leading character from global symbols\n\
      --redefine-sym <old>=<new>    Redefine symbol name <old> to <new>\n\
+     --srec-len <number>           Restrict the length of generated Srecords\n\
+     --srec-forceS3                Restrict the type of generated Srecords to S3\n\
   -v --verbose                     List all object files modified\n\
   -V --version                     Display this program's version number\n\
   -h --help                        Display this output\n\
@@ -751,6 +765,13 @@ copy_object (ibfd, obfd)
   long symsize;
   PTR dhandle;
 
+  if (ibfd->xvec->byteorder != obfd->xvec->byteorder
+      && ibfd->xvec->byteorder != BFD_ENDIAN_UNKNOWN
+      && obfd->xvec->byteorder != BFD_ENDIAN_UNKNOWN)
+    {
+      fatal (_("Unable to change endianness of input file(s)"));
+      return;
+    }
 
   if (!bfd_set_format (obfd, bfd_get_format (ibfd)))
     RETURN_NONFATAL (bfd_get_filename (obfd));
@@ -1668,7 +1689,7 @@ strip_main (argc, argv)
   struct section_list *p;
   char *output_file = NULL;
 
-  while ((c = getopt_long (argc, argv, "I:O:F:K:N:R:o:sSpgxXVv",
+  while ((c = getopt_long (argc, argv, "I:O:F:K:N:R:o:sSpdgxXVv",
                           strip_options, (int *) 0)) != EOF)
     {
       switch (c)
@@ -1692,6 +1713,7 @@ strip_main (argc, argv)
          break;
        case 'S':
        case 'g':
+       case 'd':       /* Historic BSD alias for -g.  Used by early NetBSD.  */
          strip_symbols = STRIP_DEBUG;
          break;
        case OPTION_STRIP_UNNEEDED:
@@ -2128,6 +2150,14 @@ copy_main (argc, argv)
          set_start_set = true;
          break;
 
+        case OPTION_SREC_LEN:
+          Chunk = parse_vma (optarg, "--srec-len");
+          break;
+
+        case OPTION_SREC_FORCES3:
+         S3Forced = true;
+          break;
+
        case 0:
          break;                /* we've been given a long option */