Fri, 05 Oct 2012 18:57:10 -0700
7177003: C1: LogCompilation support
Summary: add LogCompilation support in C1 - both client and tiered mode.
Reviewed-by: twisti, kvn
1 /*
2 * Copyright (c) 1997, 2011, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 *
23 */
25 #ifndef SHARE_VM_UTILITIES_ELF_SYMBOL_TABLE_HPP
26 #define SHARE_VM_UTILITIES_ELF_SYMBOL_TABLE_HPP
28 #if !defined(_WINDOWS) && !defined(__APPLE__)
31 #include "memory/allocation.hpp"
32 #include "utilities/decoder.hpp"
33 #include "utilities/elfFile.hpp"
35 /*
36 * symbol table object represents a symbol section in an elf file.
37 * Whenever possible, it will load all symbols from the corresponding section
38 * of the elf file into memory. Otherwise, it will walk the section in file
39 * to look up the symbol that nearest the given address.
40 */
41 class ElfSymbolTable: public CHeapObj<mtInternal> {
42 friend class ElfFile;
43 public:
44 ElfSymbolTable(FILE* file, Elf_Shdr shdr);
45 ~ElfSymbolTable();
47 // search the symbol that is nearest to the specified address.
48 bool lookup(address addr, int* stringtableIndex, int* posIndex, int* offset);
50 NullDecoder::decoder_status get_status() { return m_status; };
52 protected:
53 ElfSymbolTable* m_next;
55 // holds a complete symbol table section if
56 // can allocate enough memory
57 Elf_Sym* m_symbols;
59 // file contains string table
60 FILE* m_file;
62 // section header
63 Elf_Shdr m_shdr;
65 NullDecoder::decoder_status m_status;
66 };
68 #endif // _WINDOWS and _APPLE
70 #endif // SHARE_VM_UTILITIES_ELF_SYMBOL_TABLE_HPP