Mercurial > hg > graal-compiler
annotate src/share/vm/classfile/classFileStream.cpp @ 1972:f95d63e2154a
6989984: Use standard include model for Hospot
Summary: Replaced MakeDeps and the includeDB files with more standardized solutions.
Reviewed-by: coleenp, kvn, kamg
| author | stefank |
|---|---|
| date | Tue, 23 Nov 2010 13:22:55 -0800 |
| parents | c18cbe5936b8 |
| children | ade95d680b42 |
| rev | line source |
|---|---|
| 0 | 1 /* |
| 1972 | 2 * Copyright (c) 1997, 2010, Oracle and/or its affiliates. All rights reserved. |
| 0 | 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 * | |
|
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
|
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
| 0 | 22 * |
| 23 */ | |
| 24 | |
| 1972 | 25 #include "precompiled.hpp" |
| 26 #include "classfile/classFileStream.hpp" | |
| 27 #include "classfile/vmSymbols.hpp" | |
| 0 | 28 |
| 29 void ClassFileStream::truncated_file_error(TRAPS) { | |
| 30 THROW_MSG(vmSymbols::java_lang_ClassFormatError(), "Truncated class file"); | |
| 31 } | |
| 32 | |
| 33 ClassFileStream::ClassFileStream(u1* buffer, int length, char* source) { | |
| 34 _buffer_start = buffer; | |
| 35 _buffer_end = buffer + length; | |
| 36 _current = buffer; | |
| 37 _source = source; | |
| 38 _need_verify = false; | |
| 39 } | |
| 40 | |
| 41 u1 ClassFileStream::get_u1(TRAPS) { | |
| 42 if (_need_verify) { | |
| 43 guarantee_more(1, CHECK_0); | |
| 44 } else { | |
| 45 assert(1 <= _buffer_end - _current, "buffer overflow"); | |
| 46 } | |
| 47 return *_current++; | |
| 48 } | |
| 49 | |
| 50 u2 ClassFileStream::get_u2(TRAPS) { | |
| 51 if (_need_verify) { | |
| 52 guarantee_more(2, CHECK_0); | |
| 53 } else { | |
| 54 assert(2 <= _buffer_end - _current, "buffer overflow"); | |
| 55 } | |
| 56 u1* tmp = _current; | |
| 57 _current += 2; | |
| 58 return Bytes::get_Java_u2(tmp); | |
| 59 } | |
| 60 | |
| 61 u4 ClassFileStream::get_u4(TRAPS) { | |
| 62 if (_need_verify) { | |
| 63 guarantee_more(4, CHECK_0); | |
| 64 } else { | |
| 65 assert(4 <= _buffer_end - _current, "buffer overflow"); | |
| 66 } | |
| 67 u1* tmp = _current; | |
| 68 _current += 4; | |
| 69 return Bytes::get_Java_u4(tmp); | |
| 70 } | |
| 71 | |
| 72 u8 ClassFileStream::get_u8(TRAPS) { | |
| 73 if (_need_verify) { | |
| 74 guarantee_more(8, CHECK_0); | |
| 75 } else { | |
| 76 assert(8 <= _buffer_end - _current, "buffer overflow"); | |
| 77 } | |
| 78 u1* tmp = _current; | |
| 79 _current += 8; | |
| 80 return Bytes::get_Java_u8(tmp); | |
| 81 } | |
| 82 | |
| 83 void ClassFileStream::skip_u1(int length, TRAPS) { | |
| 84 if (_need_verify) { | |
| 85 guarantee_more(length, CHECK); | |
| 86 } | |
| 87 _current += length; | |
| 88 } | |
| 89 | |
| 90 void ClassFileStream::skip_u2(int length, TRAPS) { | |
| 91 if (_need_verify) { | |
| 92 guarantee_more(length * 2, CHECK); | |
| 93 } | |
| 94 _current += length * 2; | |
| 95 } |