2001-06-24 H.J. Lu <hjl@gnu.org>

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

diff --git a/binutils/nm.c b/binutils/nm.c
index 2ee48731bed46fb4879e585c9b1ac5b8b1bfd061..79283751a182d4ef5701485e9e02dd143d581b97 100644 (file)
--- a/binutils/nm.c
+++ b/binutils/nm.c
@@ -1,5 +1,6 @@
 /* nm.c -- Describe symbol table of a rel file.
-   Copyright 1991, 92, 93, 94, 95, 96, 97, 98, 99, 2000
+   Copyright 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000,
+   2001
    Free Software Foundation, Inc.
 
    This file is part of GNU Binutils.
@@ -260,7 +261,7 @@ static bfd *lineno_cache_rel_bfd;
 static struct option long_options[] =
 {
   {"debug-syms", no_argument, &print_debug_syms, 1},
-  {"demangle", no_argument, &do_demangle, 1},
+  {"demangle", optional_argument, 0, 'C'},
   {"dynamic", no_argument, &dynamic, 1},
   {"extern-only", no_argument, &external_only, 1},
   {"format", required_argument, 0, 'f'},
@@ -291,19 +292,41 @@ usage (stream, status)
      FILE *stream;
      int status;
 {
-  fprintf (stream, _("\
-Usage: %s [-aABCDglnopPrsuvV] [-t radix] [--radix=radix] [--target=bfdname]\n\
-       [--debug-syms] [--extern-only] [--print-armap] [--print-file-name]\n\
-       [--numeric-sort] [--no-sort] [--reverse-sort] [--size-sort]\n\
-       [--undefined-only] [--portability] [-f {bsd,sysv,posix}]\n\
-       [--format={bsd,sysv,posix}] [--demangle] [--no-demangle] [--dynamic]\n\
-       [--defined-only] [--line-numbers]\n\
-       [--version] [--help]\n\
-       [file...]\n"),
-          program_name);
+  fprintf (stream, _("Usage: %s [OPTION]... [FILE]...\n"), program_name);
+  fprintf (stream, _("List symbols from FILEs (a.out by default).\n"));
+  fprintf (stream, _("\n\
+  -a, --debug-syms       Display debugger-only symbols\n\
+  -A, --print-file-name  Print name of the input file before every symbol\n\
+  -B                     Same as --format=bsd\n\
+  -C, --demangle[=STYLE] Decode low-level symbol names into user-level names\n\
+                          The STYLE, if specified, can be `auto' (the default),\n\
+                          `gnu', 'lucid', 'arm', 'hp', 'edg' or 'gnu-new-abi'\n\
+      --no-demangle      Do not demangle low-level symbol names\n\
+  -D, --dynamic          Display dynamic symbols instead of normal symbols\n\
+      --defined-only     Display only defined symbols\n\
+  -e                     (ignored)\n\
+  -f, --format=FORMAT    Use the output format FORMAT.  FORMAT can be `bsd',\n\
+                           `sysv' or `posix'.  The default is `bsd'\n\
+  -g, --extern-only      Display only external symbols\n\
+  -h, --help             Display this information\n\
+  -l, --line-numbers     Use debugging information to find a filename and\n\
+                           line number for each symbol\n\
+  -n, --numeric-sort     Sort symbols numerically by address\n\
+  -o                     Same as -A\n\
+  -p, --no-sort          Do not sort the symbols\n\
+  -P, --portability      Same as --format=posix\n\
+  -r, --reverse-sort     Reverse the sense of the sort\n\
+  -s, --print-armap      Include index for symbols from archive members\n\
+      --size-sort        Sort symbols by size\n\
+  -t, --radix=RADIX      Use RADIX for printing symbol values\n\
+      --target=BFDNAME   Specify the target object format as BFDNAME\n\
+  -u, --undefined-only   Display only undefined symbols\n\
+  -V, --version          Display this program's version number\n\
+  -X 32_64               (ignored)\n\
+\n"));
   list_supported_targets (program_name, stream);
   if (status == 0)
-    fprintf (stream, _("Report bugs to %s\n"), REPORT_BUGS_TO);
+    fprintf (stream, _("Report bugs to %s.\n"), REPORT_BUGS_TO);
   exit (status);
 }
 
@@ -388,7 +411,8 @@ main (argc, argv)
   bfd_init ();
   set_default_bfd_target ();
 
-  while ((c = getopt_long (argc, argv, "aABCDef:glnopPrst:uvV", long_options, (int *) 0)) != EOF)
+  while ((c = getopt_long (argc, argv, "aABCDef:glnopPrst:uvVX:",
+                          long_options, (int *) 0)) != EOF)
     {
       switch (c)
        {
@@ -404,6 +428,17 @@ main (argc, argv)
          break;
        case 'C':
          do_demangle = 1;
+         if (optarg != NULL)
+           {
+             enum demangling_styles style;
+             
+             style = cplus_demangle_name_to_style (optarg);
+             if (style == unknown_demangling) 
+               fatal (_("unknown demangling style `%s'"),
+                      optarg);
+             
+             cplus_demangle_set_style (style);
+           }
          break;
        case 'D':
          dynamic = 1;
@@ -447,6 +482,17 @@ main (argc, argv)
        case 'V':
          show_version = 1;
          break;
+       case 'X':
+         /* Ignored for (partial) AIX compatibility.  On AIX, the
+            argument has values 32, 64, or 32_64, and specfies that
+            only 32-bit, only 64-bit, or both kinds of objects should
+            be examined.  The default is 32.  So plain AIX nm on a
+            library archive with both kinds of objects will ignore
+            the 64-bit ones.  For GNU nm, the default is and always
+            has been -X 32_64, and other options are not supported.  */
+         if (strcmp (optarg, "32_64") != 0)
+           fatal (_("Only -X 32_64 is supported"));
+         break;
 
        case OPTION_TARGET:     /* --target */
          target = optarg;
@@ -1428,13 +1474,10 @@ print_symbol_info_bsd (info, abfd)
 {
   if (bfd_is_undefined_symclass (info->type))
     {
-      printf ("%*s",
 #ifdef BFD64
-             16,
-#else
-             8,
+      printf ("        ");
 #endif
-             "");
+      printf ("        ");
     }
   else
     print_value (info->value);