Mercurial > jdk8-mips64-public > hotspot / annotate
src/share/vm/utilities/decoder_elf.cpp@2d8a650513c2 (annotated)
src/share/vm/utilities/decoder_elf.cpp
Fri, 29 Apr 2016 00:06:10 +0800
- author
- aoqi
- date
- Fri, 29 Apr 2016 00:06:10 +0800
- changeset 1
- 2d8a650513c2
- parent 0
- f90c822e73f8
- child 6876
- 710a3c8b516e
- permissions
- -rw-r--r--
Added MIPS 64-bit port.
| aoqi@0 | 1 | /* |
| aoqi@0 | 2 | * Copyright (c) 2011, 2012, Oracle and/or its affiliates. All rights reserved. |
| aoqi@0 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| aoqi@0 | 4 | * |
| aoqi@0 | 5 | * This code is free software; you can redistribute it and/or modify it |
| aoqi@0 | 6 | * under the terms of the GNU General Public License version 2 only, as |
| aoqi@0 | 7 | * published by the Free Software Foundation. |
| aoqi@0 | 8 | * |
| aoqi@0 | 9 | * This code is distributed in the hope that it will be useful, but WITHOUT |
| aoqi@0 | 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| aoqi@0 | 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| aoqi@0 | 12 | * version 2 for more details (a copy is included in the LICENSE file that |
| aoqi@0 | 13 | * accompanied this code). |
| aoqi@0 | 14 | * |
| aoqi@0 | 15 | * You should have received a copy of the GNU General Public License version |
| aoqi@0 | 16 | * 2 along with this work; if not, write to the Free Software Foundation, |
| aoqi@0 | 17 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| aoqi@0 | 18 | * |
| aoqi@0 | 19 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| aoqi@0 | 20 | * or visit www.oracle.com if you need additional information or have any |
| aoqi@0 | 21 | * questions. |
| aoqi@0 | 22 | * |
| aoqi@0 | 23 | */ |
| aoqi@0 | 24 | |
| aoqi@0 | 25 | #include "precompiled.hpp" |
| aoqi@0 | 26 | |
| aoqi@0 | 27 | #if !defined(_WINDOWS) && !defined(__APPLE__) |
| aoqi@0 | 28 | #include "decoder_elf.hpp" |
| aoqi@0 | 29 | |
| aoqi@0 | 30 | ElfDecoder::~ElfDecoder() { |
| aoqi@0 | 31 | if (_opened_elf_files != NULL) { |
| aoqi@0 | 32 | delete _opened_elf_files; |
| aoqi@0 | 33 | _opened_elf_files = NULL; |
| aoqi@0 | 34 | } |
| aoqi@0 | 35 | } |
| aoqi@0 | 36 | |
| aoqi@0 | 37 | bool ElfDecoder::decode(address addr, char *buf, int buflen, int* offset, const char* filepath) { |
| aoqi@0 | 38 | assert(filepath, "null file path"); |
| aoqi@0 | 39 | assert(buf != NULL && buflen > 0, "Invalid buffer"); |
| aoqi@0 | 40 | if (has_error()) return false; |
| aoqi@0 | 41 | ElfFile* file = get_elf_file(filepath); |
| aoqi@0 | 42 | if (file == NULL) { |
| aoqi@0 | 43 | return false; |
| aoqi@0 | 44 | } |
| aoqi@0 | 45 | |
| aoqi@0 | 46 | if (!file->decode(addr, buf, buflen, offset)) { |
| aoqi@0 | 47 | return false; |
| aoqi@0 | 48 | } |
| aoqi@0 | 49 | if (buf[0] != '\0') { |
| aoqi@0 | 50 | demangle(buf, buf, buflen); |
| aoqi@0 | 51 | } |
| aoqi@0 | 52 | return true; |
| aoqi@0 | 53 | } |
| aoqi@0 | 54 | |
| aoqi@0 | 55 | ElfFile* ElfDecoder::get_elf_file(const char* filepath) { |
| aoqi@0 | 56 | ElfFile* file; |
| aoqi@0 | 57 | |
| aoqi@0 | 58 | file = _opened_elf_files; |
| aoqi@0 | 59 | while (file != NULL) { |
| aoqi@0 | 60 | if (file->same_elf_file(filepath)) { |
| aoqi@0 | 61 | return file; |
| aoqi@0 | 62 | } |
| aoqi@0 | 63 | file = file->next(); |
| aoqi@0 | 64 | } |
| aoqi@0 | 65 | |
| aoqi@0 | 66 | file = new (std::nothrow)ElfFile(filepath); |
| aoqi@0 | 67 | if (file != NULL) { |
| aoqi@0 | 68 | if (_opened_elf_files != NULL) { |
| aoqi@0 | 69 | file->set_next(_opened_elf_files); |
| aoqi@0 | 70 | } |
| aoqi@0 | 71 | _opened_elf_files = file; |
| aoqi@0 | 72 | } |
| aoqi@0 | 73 | |
| aoqi@0 | 74 | return file; |
| aoqi@0 | 75 | } |
| aoqi@0 | 76 | #endif // !_WINDOWS && !__APPLE__ |
