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/* demangle.c -- A wrapper calling libiberty cplus_demangle
Copyright 2002, 2003 Free Software Foundation, Inc.
This file is part of GNU Binutils.
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 "config.h"
#include <stdlib.h>
#ifdef HAVE_STRING_H
#include <string.h>
#else
#ifdef HAVE_STRINGS_H
#include <strings.h>
#endif
#endif
#include "bfd.h"
#include "libiberty.h"
#include "demangle.h"
#include "budemang.h"
/* Wrapper around cplus_demangle. Strips leading underscores and
other such chars that would otherwise confuse the demangler. */
char *
demangle (bfd *abfd, const char *name)
{
char *res, *alloc;
const char *pre, *suf;
size_t pre_len;
if (abfd != NULL && bfd_get_symbol_leading_char (abfd) == name[0])
++name;
/* This is a hack for better error reporting on XCOFF, PowerPC64-ELF
or the MS PE format. These formats have a number of leading '.'s
on at least some symbols, so we remove all dots to avoid
confusing the demangler. */
pre = name;
while (*name == '.')
++name;
pre_len = name - pre;
alloc = NULL;
suf = strchr (name, '@');
if (suf != NULL)
{
alloc = xmalloc (suf - name + 1);
memcpy (alloc, name, suf - name);
alloc[suf - name] = '\0';
name = alloc;
}
res = cplus_demangle (name, DMGL_ANSI | DMGL_PARAMS);
if (res != NULL)
{
/* Now put back any suffix, or stripped dots. */
if (pre_len != 0 || suf != NULL)
{
size_t len;
size_t suf_len;
char *final;
if (alloc != NULL)
free (alloc);
len = strlen (res);
if (suf == NULL)
suf = res + len;
suf_len = strlen (suf) + 1;
final = xmalloc (pre_len + len + suf_len);
memcpy (final, pre, pre_len);
memcpy (final + pre_len, res, len);
memcpy (final + pre_len + len, suf, suf_len);
free (res);
res = final;
}
return res;
}
if (alloc != NULL)
free (alloc);
return xstrdup (pre);
}
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