Mercurial > hg > graal-compiler
annotate src/share/vm/interpreter/bytecodeStream.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 | e9ff18c4ace7 |
| children | 8012aa3ccede |
| rev | line source |
|---|---|
| 0 | 1 /* |
| 1579 | 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 "interpreter/bytecodeStream.hpp" | |
| 27 #include "interpreter/bytecodes.hpp" | |
| 0 | 28 |
| 29 Bytecodes::Code RawBytecodeStream::raw_next_special(Bytecodes::Code code) { | |
| 30 assert(!is_last_bytecode(), "should have been checked"); | |
| 31 // set next bytecode position | |
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32 address bcp = RawBytecodeStream::bcp(); |
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33 address end = method()->code_base() + end_bci(); |
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34 int l = Bytecodes::raw_special_length_at(bcp, end); |
| 0 | 35 if (l <= 0 || (_bci + l) > _end_bci) { |
| 36 code = Bytecodes::_illegal; | |
| 37 } else { | |
| 38 _next_bci += l; | |
| 39 assert(_bci < _next_bci, "length must be > 0"); | |
| 40 // set attributes | |
| 41 _is_wide = false; | |
| 42 // check for special (uncommon) cases | |
| 43 if (code == Bytecodes::_wide) { | |
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44 if (bcp + 1 >= end) { |
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45 code = Bytecodes::_illegal; |
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46 } else { |
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47 code = (Bytecodes::Code)bcp[1]; |
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48 _is_wide = true; |
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49 } |
| 0 | 50 } |
| 51 } | |
| 1565 | 52 _raw_code = code; |
| 0 | 53 return code; |
| 54 } | |
| 1565 | 55 |
| 56 #ifdef ASSERT | |
| 57 void BaseBytecodeStream::assert_raw_index_size(int size) const { | |
| 58 if (raw_code() == Bytecodes::_invokedynamic && is_raw()) { | |
| 59 // in raw mode, pretend indy is "bJJ__" | |
| 60 assert(size == 2, "raw invokedynamic instruction has 2-byte index only"); | |
| 61 } else { | |
| 62 bytecode()->assert_index_size(size, raw_code(), is_wide()); | |
| 63 } | |
| 64 } | |
| 65 | |
| 66 void BaseBytecodeStream::assert_raw_stream(bool want_raw) const { | |
| 67 if (want_raw) { | |
| 68 assert( is_raw(), "this function only works on raw streams"); | |
| 69 } else { | |
| 70 assert(!is_raw(), "this function only works on non-raw streams"); | |
| 71 } | |
| 72 } | |
| 73 #endif //ASSERT |