Mercurial > hg > graal-compiler
view src/share/vm/utilities/decoder_elf.cpp @ 10405:f2110083203d
8005849: JEP 167: Event-Based JVM Tracing
Reviewed-by: acorn, coleenp, sla
Contributed-by: Karen Kinnear <karen.kinnear@oracle.com>, Bengt Rutisson <bengt.rutisson@oracle.com>, Calvin Cheung <calvin.cheung@oracle.com>, Erik Gahlin <erik.gahlin@oracle.com>, Erik Helin <erik.helin@oracle.com>, Jesper Wilhelmsson <jesper.wilhelmsson@oracle.com>, Keith McGuigan <keith.mcguigan@oracle.com>, Mattias Tobiasson <mattias.tobiasson@oracle.com>, Markus Gronlund <markus.gronlund@oracle.com>, Mikael Auno <mikael.auno@oracle.com>, Nils Eliasson <nils.eliasson@oracle.com>, Nils Loodin <nils.loodin@oracle.com>, Rickard Backman <rickard.backman@oracle.com>, Staffan Larsen <staffan.larsen@oracle.com>, Stefan Karlsson <stefan.karlsson@oracle.com>, Yekaterina Kantserova <yekaterina.kantserova@oracle.com>
author | sla |
---|---|
date | Mon, 10 Jun 2013 11:30:51 +0200 |
parents | b9a9ed0f8eeb |
children | e7cbc95179c4 |
line wrap: on
line source
/* * Copyright (c) 2011, 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 "precompiled.hpp" #if !defined(_WINDOWS) && !defined(__APPLE__) #include "decoder_elf.hpp" ElfDecoder::~ElfDecoder() { if (_opened_elf_files != NULL) { delete _opened_elf_files; _opened_elf_files = NULL; } } bool ElfDecoder::decode(address addr, char *buf, int buflen, int* offset, const char* filepath) { assert(filepath, "null file path"); assert(buf != NULL && buflen > 0, "Invalid buffer"); if (has_error()) return false; ElfFile* file = get_elf_file(filepath); if (file == NULL) { return false; } if (!file->decode(addr, buf, buflen, offset)) { return false; } if (buf[0] != '\0') { demangle(buf, buf, buflen); } return true; } ElfFile* ElfDecoder::get_elf_file(const char* filepath) { ElfFile* file; file = _opened_elf_files; while (file != NULL) { if (file->same_elf_file(filepath)) { return file; } file = file->next(); } file = new (std::nothrow)ElfFile(filepath); if (file != NULL) { if (_opened_elf_files != NULL) { file->set_next(_opened_elf_files); } _opened_elf_files = file; } return file; } #endif