Mercurial > hg > graal-compiler
view src/share/vm/utilities/elfSymbolTable.hpp @ 7630:5ce621176715
8004903: VMThread::execute() calls Thread::check_for_valid_safepoint_state() on concurrent VM ops
Summary: check_for_valid_safepoint_state() only applies to blocking VM ops
Reviewed-by: acorn, dholmes, dice, sspitsyn
Contributed-by: karen.kinnear@oracle.com
author | dcubed |
---|---|
date | Tue, 22 Jan 2013 05:57:18 -0800 |
parents | b9a9ed0f8eeb |
children | e7cbc95179c4 |
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/* * 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. * */ #ifndef SHARE_VM_UTILITIES_ELF_SYMBOL_TABLE_HPP #define SHARE_VM_UTILITIES_ELF_SYMBOL_TABLE_HPP #if !defined(_WINDOWS) && !defined(__APPLE__) #include "memory/allocation.hpp" #include "utilities/decoder.hpp" #include "utilities/elfFile.hpp" /* * symbol table object represents a symbol section in an elf file. * Whenever possible, it will load all symbols from the corresponding section * of the elf file into memory. Otherwise, it will walk the section in file * to look up the symbol that nearest the given address. */ class ElfSymbolTable: public CHeapObj<mtInternal> { friend class ElfFile; public: ElfSymbolTable(FILE* file, Elf_Shdr shdr); ~ElfSymbolTable(); // search the symbol that is nearest to the specified address. bool lookup(address addr, int* stringtableIndex, int* posIndex, int* offset); NullDecoder::decoder_status get_status() { return m_status; }; protected: ElfSymbolTable* m_next; // holds a complete symbol table section if // can allocate enough memory Elf_Sym* m_symbols; // file contains string table FILE* m_file; // section header Elf_Shdr m_shdr; NullDecoder::decoder_status m_status; }; #endif // _WINDOWS and _APPLE #endif // SHARE_VM_UTILITIES_ELF_SYMBOL_TABLE_HPP