src/os/linux/vm/decoder_linux.cpp

changeset 2364
2d4762ec74af
child 3430
d7e3846464d0
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/src/os/linux/vm/decoder_linux.cpp	Sat Dec 11 13:20:56 2010 -0500
     1.3 @@ -0,0 +1,45 @@
     1.4 +/*
     1.5 + * Copyright (c) 1997, 2010, Oracle and/or its affiliates. All rights reserved.
     1.6 + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
     1.7 + *
     1.8 + * This code is free software; you can redistribute it and/or modify it
     1.9 + * under the terms of the GNU General Public License version 2 only, as
    1.10 + * published by the Free Software Foundation.
    1.11 + *
    1.12 + * This code is distributed in the hope that it will be useful, but WITHOUT
    1.13 + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
    1.14 + * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
    1.15 + * version 2 for more details (a copy is included in the LICENSE file that
    1.16 + * accompanied this code).
    1.17 + *
    1.18 + * You should have received a copy of the GNU General Public License version
    1.19 + * 2 along with this work; if not, write to the Free Software Foundation,
    1.20 + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
    1.21 + *
    1.22 + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
    1.23 + * or visit www.oracle.com if you need additional information or have any
    1.24 + * questions.
    1.25 + *
    1.26 + */
    1.27 +
    1.28 +#include "prims/jvm.h"
    1.29 +#include "utilities/decoder.hpp"
    1.30 +
    1.31 +#include <cxxabi.h>
    1.32 +
    1.33 +bool Decoder::demangle(const char* symbol, char *buf, int buflen) {
    1.34 +  int   status;
    1.35 +  char* result;
    1.36 +  size_t size = (size_t)buflen;
    1.37 +
    1.38 +  // Don't pass buf to __cxa_demangle. In case of the 'buf' is too small,
    1.39 +  // __cxa_demangle will call system "realloc" for additional memory, which
    1.40 +  // may use different malloc/realloc mechanism that allocates 'buf'.
    1.41 +  if ((result = abi::__cxa_demangle(symbol, NULL, NULL, &status)) != NULL) {
    1.42 +    jio_snprintf(buf, buflen, "%s", result);
    1.43 +      // call c library's free
    1.44 +      ::free(result);
    1.45 +      return true;
    1.46 +  }
    1.47 +  return false;
    1.48 +}

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