1/* demangle.c -- A wrapper calling libiberty cplus_demangle
2   Copyright 2002, 2003 Free Software Foundation, Inc.
3
4   This file is part of GNU Binutils.
5
6   This program is free software; you can redistribute it and/or modify
7   it under the terms of the GNU General Public License as published by
8   the Free Software Foundation; either version 2 of the License, or
9   (at your option) any later version.
10
11   This program is distributed in the hope that it will be useful,
12   but WITHOUT ANY WARRANTY; without even the implied warranty of
13   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14   GNU General Public License for more details.
15
16   You should have received a copy of the GNU General Public License
17   along with this program; if not, write to the Free Software
18   Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
19   02111-1307, USA.  */
20
21#include "config.h"
22#include <stdlib.h>
23#ifdef HAVE_STRING_H
24#include <string.h>
25#else
26#ifdef HAVE_STRINGS_H
27#include <strings.h>
28#endif
29#endif
30#include "bfd.h"
31#include "libiberty.h"
32#include "demangle.h"
33#include "budemang.h"
34
35/* Wrapper around cplus_demangle.  Strips leading underscores and
36   other such chars that would otherwise confuse the demangler.  */
37
38char *
39demangle (bfd *abfd, const char *name)
40{
41  char *res;
42  const char *p;
43
44  if (abfd != NULL && bfd_get_symbol_leading_char (abfd) == name[0])
45    ++name;
46
47  /* This is a hack for better error reporting on XCOFF, PowerPC64-ELF
48     or the MS PE format.  These formats have a number of leading '.'s
49     on at least some symbols, so we remove all dots to avoid
50     confusing the demangler.  */
51  p = name;
52  while (*p == '.')
53    ++p;
54
55  res = cplus_demangle (p, DMGL_ANSI | DMGL_PARAMS);
56  if (res)
57    {
58      size_t dots = p - name;
59
60      /* Now put back any stripped dots.  */
61      if (dots != 0)
62	{
63	  size_t len = strlen (res) + 1;
64	  char *add_dots = xmalloc (len + dots);
65
66	  memcpy (add_dots, name, dots);
67	  memcpy (add_dots + dots, res, len);
68	  free (res);
69	  res = add_dots;
70	}
71      return res;
72    }
73
74  return xstrdup (name);
75}
76