1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/src/share/vm/utilities/elfStringTable.hpp Wed Apr 27 01:25:04 2016 +0800
1.3 @@ -0,0 +1,75 @@
1.4 +/*
1.5 + * Copyright (c) 1997, 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 +#ifndef SHARE_VM_UTILITIES_ELF_STRING_TABLE_HPP
1.29 +#define SHARE_VM_UTILITIES_ELF_STRING_TABLE_HPP
1.30 +
1.31 +#if !defined(_WINDOWS) && !defined(__APPLE__)
1.32 +
1.33 +#include "memory/allocation.hpp"
1.34 +#include "utilities/decoder.hpp"
1.35 +#include "utilities/elfFile.hpp"
1.36 +
1.37 +
1.38 +// The string table represents a string table section in an elf file.
1.39 +// Whenever there is enough memory, it will load whole string table as
1.40 +// one blob. Otherwise, it will load string from file when requested.
1.41 +class ElfStringTable: CHeapObj<mtInternal> {
1.42 + friend class ElfFile;
1.43 + public:
1.44 + ElfStringTable(FILE* file, Elf_Shdr shdr, int index);
1.45 + ~ElfStringTable();
1.46 +
1.47 + // section index
1.48 + int index() { return m_index; };
1.49 +
1.50 + // get string at specified offset
1.51 + bool string_at(int offset, char* buf, int buflen);
1.52 +
1.53 + // get status code
1.54 + NullDecoder::decoder_status get_status() { return m_status; };
1.55 +
1.56 + protected:
1.57 + ElfStringTable* m_next;
1.58 +
1.59 + // section index
1.60 + int m_index;
1.61 +
1.62 + // holds complete string table if can
1.63 + // allocate enough memory
1.64 + const char* m_table;
1.65 +
1.66 + // file contains string table
1.67 + FILE* m_file;
1.68 +
1.69 + // section header
1.70 + Elf_Shdr m_shdr;
1.71 +
1.72 + // error code
1.73 + NullDecoder::decoder_status m_status;
1.74 +};
1.75 +
1.76 +#endif // !_WINDOWS && !__APPLE__
1.77 +
1.78 +#endif // SHARE_VM_UTILITIES_ELF_STRING_TABLE_HPP
