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[binutils.git] / binutils / budemang.c
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1 /* demangle.c -- A wrapper calling libiberty cplus_demangle
2 Copyright 2002, 2003 Free Software Foundation, Inc.
4 This file is part of GNU Binutils.
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.
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.
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. */
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"
35 /* Wrapper around cplus_demangle. Strips leading underscores and
36 other such chars that would otherwise confuse the demangler. */
38 char *
39 demangle (bfd *abfd, const char *name)
41 char *res;
42 const char *p;
44 if (abfd != NULL && bfd_get_symbol_leading_char (abfd) == name[0])
45 ++name;
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;
55 res = cplus_demangle (p, DMGL_ANSI | DMGL_PARAMS);
56 if (res)
58 size_t dots = p - name;
60 /* Now put back any stripped dots. */
61 if (dots != 0)
63 size_t len = strlen (res) + 1;
64 char *add_dots = xmalloc (len + dots);
66 memcpy (add_dots, name, dots);
67 memcpy (add_dots + dots, res, len);
68 free (res);
69 res = add_dots;
71 return res;
74 return xstrdup (name);