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101 lines
2.6 KiB
C
101 lines
2.6 KiB
C
/* demangle.c -- A wrapper calling libiberty cplus_demangle
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Copyright 2002, 2003, 2004 Free Software Foundation, Inc.
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This file is part of GNU Binutils.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA
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02110-1301, USA. */
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#include "config.h"
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#include <stdlib.h>
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#ifdef HAVE_STRING_H
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#include <string.h>
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#else
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#ifdef HAVE_STRINGS_H
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#include <strings.h>
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#endif
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#endif
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#include "bfd.h"
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#include "libiberty.h"
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#include "demangle.h"
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#include "budemang.h"
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/* Wrapper around cplus_demangle. Strips leading underscores and
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other such chars that would otherwise confuse the demangler. */
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char *
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demangle (bfd *abfd, const char *name)
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{
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char *res, *alloc;
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const char *pre, *suf;
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size_t pre_len;
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if (abfd != NULL && bfd_get_symbol_leading_char (abfd) == name[0])
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++name;
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/* This is a hack for better error reporting on XCOFF, PowerPC64-ELF
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or the MS PE format. These formats have a number of leading '.'s
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on at least some symbols, so we remove all dots to avoid
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confusing the demangler. */
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pre = name;
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while (*name == '.')
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++name;
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pre_len = name - pre;
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alloc = NULL;
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suf = strchr (name, '@');
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if (suf != NULL)
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{
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alloc = xmalloc (suf - name + 1);
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memcpy (alloc, name, suf - name);
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alloc[suf - name] = '\0';
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name = alloc;
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}
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res = cplus_demangle (name, DMGL_ANSI | DMGL_PARAMS);
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if (res != NULL)
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{
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/* Now put back any suffix, or stripped dots. */
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if (pre_len != 0 || suf != NULL)
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{
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size_t len;
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size_t suf_len;
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char *final;
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if (alloc != NULL)
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free (alloc);
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len = strlen (res);
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if (suf == NULL)
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suf = res + len;
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suf_len = strlen (suf) + 1;
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final = xmalloc (pre_len + len + suf_len);
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memcpy (final, pre, pre_len);
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memcpy (final + pre_len, res, len);
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memcpy (final + pre_len + len, suf, suf_len);
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free (res);
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res = final;
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}
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return res;
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}
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if (alloc != NULL)
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free (alloc);
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return xstrdup (pre);
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}
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