1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/src/share/vm/utilities/decoder_elf.cpp Wed Apr 27 01:25:04 2016 +0800
1.3 @@ -0,0 +1,76 @@
1.4 +/*
1.5 + * Copyright (c) 2011, 2012, Oracle and/or its affiliates. All rights reserved.
1.6 + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
1.7 + *
1.8 + * This code is free software; you can redistribute it and/or modify it
1.9 + * under the terms of the GNU General Public License version 2 only, as
1.10 + * published by the Free Software Foundation.
1.11 + *
1.12 + * This code is distributed in the hope that it will be useful, but WITHOUT
1.13 + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
1.14 + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
1.15 + * version 2 for more details (a copy is included in the LICENSE file that
1.16 + * accompanied this code).
1.17 + *
1.18 + * You should have received a copy of the GNU General Public License version
1.19 + * 2 along with this work; if not, write to the Free Software Foundation,
1.20 + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
1.21 + *
1.22 + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
1.23 + * or visit www.oracle.com if you need additional information or have any
1.24 + * questions.
1.25 + *
1.26 + */
1.27 +
1.28 +#include "precompiled.hpp"
1.29 +
1.30 +#if !defined(_WINDOWS) && !defined(__APPLE__)
1.31 +#include "decoder_elf.hpp"
1.32 +
1.33 +ElfDecoder::~ElfDecoder() {
1.34 + if (_opened_elf_files != NULL) {
1.35 + delete _opened_elf_files;
1.36 + _opened_elf_files = NULL;
1.37 + }
1.38 +}
1.39 +
1.40 +bool ElfDecoder::decode(address addr, char *buf, int buflen, int* offset, const char* filepath) {
1.41 + assert(filepath, "null file path");
1.42 + assert(buf != NULL && buflen > 0, "Invalid buffer");
1.43 + if (has_error()) return false;
1.44 + ElfFile* file = get_elf_file(filepath);
1.45 + if (file == NULL) {
1.46 + return false;
1.47 + }
1.48 +
1.49 + if (!file->decode(addr, buf, buflen, offset)) {
1.50 + return false;
1.51 + }
1.52 + if (buf[0] != '\0') {
1.53 + demangle(buf, buf, buflen);
1.54 + }
1.55 + return true;
1.56 +}
1.57 +
1.58 +ElfFile* ElfDecoder::get_elf_file(const char* filepath) {
1.59 + ElfFile* file;
1.60 +
1.61 + file = _opened_elf_files;
1.62 + while (file != NULL) {
1.63 + if (file->same_elf_file(filepath)) {
1.64 + return file;
1.65 + }
1.66 + file = file->next();
1.67 + }
1.68 +
1.69 + file = new (std::nothrow)ElfFile(filepath);
1.70 + if (file != NULL) {
1.71 + if (_opened_elf_files != NULL) {
1.72 + file->set_next(_opened_elf_files);
1.73 + }
1.74 + _opened_elf_files = file;
1.75 + }
1.76 +
1.77 + return file;
1.78 +}
1.79 +#endif // !_WINDOWS && !__APPLE__
