binutils-gdb/binutils/budemang.c

76 lines
2.0 KiB
C

/* 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;
const char *p;
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. */
p = name;
while (*p == '.')
++p;
res = cplus_demangle (p, DMGL_ANSI | DMGL_PARAMS);
if (res)
{
size_t dots = p - name;
/* Now put back any stripped dots. */
if (dots != 0)
{
size_t len = strlen (res) + 1;
char *add_dots = xmalloc (len + dots);
memcpy (add_dots, name, dots);
memcpy (add_dots + dots, res, len);
free (res);
res = add_dots;
}
return res;
}
return xstrdup (name);
}