| /* |
| * Copyright (c) 1997, 2012, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| * |
| */ |
| |
| #include "prims/jvm.h" |
| #include "utilities/decoder_elf.hpp" |
| |
| #include <cxxabi.h> |
| |
| bool ElfDecoder::demangle(const char* symbol, char *buf, int buflen) { |
| int status; |
| char* result; |
| size_t size = (size_t)buflen; |
| |
| #ifdef PPC64 |
| // On PPC64 ElfDecoder::decode() may return a dot (.) prefixed name |
| // (see elfFuncDescTable.hpp for details) |
| if (symbol && *symbol == '.') symbol += 1; |
| #endif |
| |
| // Don't pass buf to __cxa_demangle. In case of the 'buf' is too small, |
| // __cxa_demangle will call system "realloc" for additional memory, which |
| // may use different malloc/realloc mechanism that allocates 'buf'. |
| if ((result = abi::__cxa_demangle(symbol, NULL, NULL, &status)) != NULL) { |
| jio_snprintf(buf, buflen, "%s", result); |
| // call c library's free |
| ::free(result); |
| return true; |
| } |
| return false; |
| } |
| |