Mercurial > jdk8-mips64-public > hotspot / file comparison
comparison: src/os/linux/vm/decoder_linux.cpp
src/os/linux/vm/decoder_linux.cpp
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| 1 /* | |
| 2 * Copyright (c) 1997, 2012, 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_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 #ifdef PPC64 | |
| 36 // On PPC64 ElfDecoder::decode() may return a dot (.) prefixed name | |
| 37 // (see elfFuncDescTable.hpp for details) | |
| 38 if (symbol && *symbol == '.') symbol += 1; | |
| 39 #endif | |
| 40 | |
| 41 // Don't pass buf to __cxa_demangle. In case of the 'buf' is too small, | |
| 42 // __cxa_demangle will call system "realloc" for additional memory, which | |
| 43 // may use different malloc/realloc mechanism that allocates 'buf'. | |
| 44 if ((result = abi::__cxa_demangle(symbol, NULL, NULL, &status)) != NULL) { | |
| 45 jio_snprintf(buf, buflen, "%s", result); | |
| 46 // call c library's free | |
| 47 ::free(result); | |
| 48 return true; | |
| 49 } | |
| 50 return false; | |
| 51 } | |
| 52 |
