src/os/linux/vm/decoder_linux.cpp

Tue, 24 Feb 2015 15:04:52 -0500

author
dlong
date
Tue, 24 Feb 2015 15:04:52 -0500
changeset 7598
ddce0b7cee93
parent 6491
e7cbc95179c4
child 6876
710a3c8b516e
permissions
-rw-r--r--

8072383: resolve conflicts between open and closed ports
Summary: refactor close to remove references to closed ports
Reviewed-by: kvn, simonis, sgehwolf, dholmes

zgu@2364 1 /*
mikael@4153 2 * Copyright (c) 1997, 2012, Oracle and/or its affiliates. All rights reserved.
zgu@2364 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
zgu@2364 4 *
zgu@2364 5 * This code is free software; you can redistribute it and/or modify it
zgu@2364 6 * under the terms of the GNU General Public License version 2 only, as
zgu@2364 7 * published by the Free Software Foundation.
zgu@2364 8 *
zgu@2364 9 * This code is distributed in the hope that it will be useful, but WITHOUT
zgu@2364 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
zgu@2364 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
zgu@2364 12 * version 2 for more details (a copy is included in the LICENSE file that
zgu@2364 13 * accompanied this code).
zgu@2364 14 *
zgu@2364 15 * You should have received a copy of the GNU General Public License version
zgu@2364 16 * 2 along with this work; if not, write to the Free Software Foundation,
zgu@2364 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
zgu@2364 18 *
zgu@2364 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
zgu@2364 20 * or visit www.oracle.com if you need additional information or have any
zgu@2364 21 * questions.
zgu@2364 22 *
zgu@2364 23 */
zgu@2364 24
zgu@2364 25 #include "prims/jvm.h"
zgu@3430 26 #include "utilities/decoder_elf.hpp"
zgu@2364 27
zgu@2364 28 #include <cxxabi.h>
zgu@2364 29
zgu@3430 30 bool ElfDecoder::demangle(const char* symbol, char *buf, int buflen) {
zgu@2364 31 int status;
zgu@2364 32 char* result;
zgu@2364 33 size_t size = (size_t)buflen;
zgu@2364 34
simonis@6491 35 #ifdef PPC64
simonis@6491 36 // On PPC64 ElfDecoder::decode() may return a dot (.) prefixed name
simonis@6491 37 // (see elfFuncDescTable.hpp for details)
simonis@6491 38 if (symbol && *symbol == '.') symbol += 1;
simonis@6491 39 #endif
simonis@6491 40
zgu@2364 41 // Don't pass buf to __cxa_demangle. In case of the 'buf' is too small,
zgu@2364 42 // __cxa_demangle will call system "realloc" for additional memory, which
zgu@2364 43 // may use different malloc/realloc mechanism that allocates 'buf'.
zgu@2364 44 if ((result = abi::__cxa_demangle(symbol, NULL, NULL, &status)) != NULL) {
zgu@2364 45 jio_snprintf(buf, buflen, "%s", result);
zgu@2364 46 // call c library's free
zgu@2364 47 ::free(result);
zgu@2364 48 return true;
zgu@2364 49 }
zgu@2364 50 return false;
zgu@2364 51 }
zgu@3430 52

mercurial