decoder_linux.cpp revision 3718:b9a9ed0f8eeb 
1/*
2 * Copyright (c) 1997, 2012, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 *
23 */
24
25#include "prims/jvm.h"
26#include "utilities/decoder_elf.hpp"
27
28#include <cxxabi.h>
29
30bool ElfDecoder::demangle(const char* symbol, char *buf, int buflen) {
31  int   status;
32  char* result;
33  size_t size = (size_t)buflen;
34
35  // Don't pass buf to __cxa_demangle. In case of the 'buf' is too small,
36  // __cxa_demangle will call system "realloc" for additional memory, which
37  // may use different malloc/realloc mechanism that allocates 'buf'.
38  if ((result = abi::__cxa_demangle(symbol, NULL, NULL, &status)) != NULL) {
39    jio_snprintf(buf, buflen, "%s", result);
40      // call c library's free
41      ::free(result);
42      return true;
43  }
44  return false;
45}
46
47