1 /*

     2  * Copyright (c) 1997, 2010, 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.hpp"

    27 

    28 #include <cxxabi.h>

    29 

    30 #ifdef __APPLE__

    31 

    32 void Decoder::initialize() {

    33   _initialized = true;

    34 }

    35 

    36 void Decoder::uninitialize() {

    37   _initialized = false;

    38 }

    39 

    40 bool Decoder::can_decode_C_frame_in_vm() {

    41   return false;

    42 }

    43 

    44 Decoder::decoder_status Decoder::decode(address addr, const char* filepath, char *buf, int buflen, int *offset) {

    45   return symbol_not_found;

    46 }

    47 

    48 

    49 #endif

    50 

    51 bool Decoder::demangle(const char* symbol, char *buf, int buflen) {

    52   int   status;

    53   char* result;

    54   size_t size = (size_t)buflen;

    55 

    56   // Don't pass buf to __cxa_demangle. In case of the 'buf' is too small,

    57   // __cxa_demangle will call system "realloc" for additional memory, which

    58   // may use different malloc/realloc mechanism that allocates 'buf'.

    59   if ((result = abi::__cxa_demangle(symbol, NULL, NULL, &status)) != NULL) {

    60     jio_snprintf(buf, buflen, "%s", result);

    61       // call c library's free

    62       ::free(result);

    63       return true;

    64   }

    65   return false;

    66 }