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src/os/bsd/vm/decoder_machO.cpp

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rev 13107 : imported patch jvm_h
   1 /*
   2  * Copyright (c) 2011, 2014, 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 "precompiled.hpp"
  26 
  27 #ifdef __APPLE__

  28 #include "decoder_machO.hpp"
  29 
  30 #include <cxxabi.h>
  31 #include <mach-o/loader.h>
  32 #include <mach-o/nlist.h>
  33 
  34 
  35 bool MachODecoder::demangle(const char* symbol, char *buf, int buflen) {
  36   int   status;
  37   char* result;
  38   size_t size = (size_t)buflen;
  39   // Don't pass buf to __cxa_demangle. In case of the 'buf' is too small,
  40   // __cxa_demangle will call system "realloc" for additional memory, which
  41   // may use different malloc/realloc mechanism that allocates 'buf'.
  42   if ((result = abi::__cxa_demangle(symbol, NULL, NULL, &status)) != NULL) {
  43     jio_snprintf(buf, buflen, "%s", result);
  44       // call c library's free
  45       ::free(result);
  46       return true;
  47   }


   1 /*
   2  * Copyright (c) 2011, 2017, 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 "precompiled.hpp"
  26 
  27 #ifdef __APPLE__
  28 #include "prims/jvm.h"
  29 #include "decoder_machO.hpp"
  30 
  31 #include <cxxabi.h>
  32 #include <mach-o/loader.h>
  33 #include <mach-o/nlist.h>
  34 
  35 
  36 bool MachODecoder::demangle(const char* symbol, char *buf, int buflen) {
  37   int   status;
  38   char* result;
  39   size_t size = (size_t)buflen;
  40   // Don't pass buf to __cxa_demangle. In case of the 'buf' is too small,
  41   // __cxa_demangle will call system "realloc" for additional memory, which
  42   // may use different malloc/realloc mechanism that allocates 'buf'.
  43   if ((result = abi::__cxa_demangle(symbol, NULL, NULL, &status)) != NULL) {
  44     jio_snprintf(buf, buflen, "%s", result);
  45       // call c library's free
  46       ::free(result);
  47       return true;
  48   }


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