Mercurial > hg > truffle
view src/share/vm/utilities/elfSymbolTable.hpp @ 11092:59b052799158
8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
Summary: Dl_info struct should only be used if dladdr() has returned non-zero (no errors) and always check the dladdr() return value; Dl_info.dli_sname and Dl_info.dli_saddr fields should only be used if non-NULL; update/improve runtime/6888954/vmerrors.sh test
Reviewed-by: dsamersoff, zgu, hseigel, coleenp
author | dcubed |
---|---|
date | Thu, 04 Jul 2013 21:10:17 -0700 |
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