src/os/linux/vm/decoder_linux.cpp

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   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 bool Decoder::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 }



   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 
  30 bool 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