Mercurial > hg > truffle
annotate src/share/vm/ci/ciMethodBlocks.hpp @ 196:d1605aabd0a1 jdk7-b30
6719955: Update copyright year
Summary: Update copyright year for files that have been modified in 2008
Reviewed-by: ohair, tbell
| author | xdono |
|---|---|
| date | Wed, 02 Jul 2008 12:55:16 -0700 |
| parents | 0871d5cd64cd |
| children | 194b8e3a2fc4 |
| rev | line source |
|---|---|
| 0 | 1 /* |
| 196 | 2 * Copyright 2006-2008 Sun Microsystems, Inc. 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 * | |
| 19 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, | |
| 20 * CA 95054 USA or visit www.sun.com if you need additional information or | |
| 21 * have any questions. | |
| 22 * | |
| 23 */ | |
| 24 | |
| 25 | |
| 26 class ciBlock; | |
| 27 | |
| 28 typedef short ciBlockIndex; | |
| 29 | |
| 30 class ciMethodBlocks : public ResourceObj { | |
| 31 private: | |
| 32 ciMethod *_method; | |
| 33 Arena *_arena; | |
| 34 GrowableArray<ciBlock *> *_blocks; | |
| 35 ciBlock **_bci_to_block; | |
| 36 int _num_blocks; | |
| 37 int _code_size; | |
| 38 | |
| 39 void do_analysis(); | |
| 40 public: | |
| 41 ciMethodBlocks(Arena *arena, ciMethod *meth); | |
| 42 | |
| 43 ciBlock *block_containing(int bci); | |
| 44 ciBlock *block(int index) { return _blocks->at(index); } | |
| 45 ciBlock *make_block_at(int bci); | |
| 46 ciBlock *split_block_at(int bci); | |
| 47 bool is_block_start(int bci); | |
| 48 int num_blocks() { return _num_blocks;} | |
| 49 void clear_processed(); | |
| 50 | |
| 51 #ifndef PRODUCT | |
| 52 void dump(); | |
| 53 #endif | |
| 54 }; | |
| 55 | |
| 56 class ciBlock : public ResourceObj { | |
| 57 private: | |
| 58 int _idx; | |
| 59 int _start_bci; | |
| 60 int _limit_bci; | |
| 61 int _control_bci; | |
| 62 uint _flags; | |
| 63 int _ex_start_bci; | |
| 64 int _ex_limit_bci; | |
| 65 #ifndef PRODUCT | |
| 66 ciMethod *_method; | |
| 67 #endif | |
| 68 enum { | |
| 69 Processed = (1 << 0), | |
| 70 Handler = (1 << 1), | |
| 71 MayThrow = (1 << 2), | |
| 72 DoesJsr = (1 << 3), | |
| 73 DoesRet = (1 << 4), | |
| 74 RetTarget = (1 << 5), | |
| 75 HasHandler = (1 << 6) | |
| 76 }; | |
| 77 | |
| 78 | |
| 79 public: | |
| 80 enum { | |
| 81 fall_through_bci = -1 | |
| 82 }; | |
| 83 | |
| 84 ciBlock(ciMethod *method, int index, ciMethodBlocks *mb, int start_bci); | |
| 85 int start_bci() const { return _start_bci; } | |
| 86 int limit_bci() const { return _limit_bci; } | |
| 87 int control_bci() const { return _control_bci; } | |
| 88 int index() const { return _idx; } | |
| 89 void set_start_bci(int bci) { _start_bci = bci; } | |
| 90 void set_limit_bci(int bci) { _limit_bci = bci; } | |
| 91 void set_control_bci(int bci) { _control_bci = bci;} | |
| 92 void set_exception_range(int start_bci, int limit_bci); | |
| 93 int ex_start_bci() const { return _ex_start_bci; } | |
| 94 int ex_limit_bci() const { return _ex_limit_bci; } | |
| 95 bool contains(int bci) const { return start_bci() <= bci && bci < limit_bci(); } | |
| 96 | |
| 97 | |
| 98 // flag handling | |
| 99 bool processed() const { return (_flags & Processed) != 0; } | |
| 100 bool is_handler() const { return (_flags & Handler) != 0; } | |
| 101 bool may_throw() const { return (_flags & MayThrow) != 0; } | |
| 102 bool does_jsr() const { return (_flags & DoesJsr) != 0; } | |
| 103 bool does_ret() const { return (_flags & DoesRet) != 0; } | |
| 104 bool has_handler() const { return (_flags & HasHandler) != 0; } | |
| 105 bool is_ret_target() const { return (_flags & RetTarget) != 0; } | |
| 106 void set_processed() { _flags |= Processed; } | |
| 107 void clear_processed() { _flags &= ~Processed; } | |
| 108 void set_handler() { _flags |= Handler; } | |
| 109 void set_may_throw() { _flags |= MayThrow; } | |
| 110 void set_does_jsr() { _flags |= DoesJsr; } | |
| 111 void clear_does_jsr() { _flags &= ~DoesJsr; } | |
| 112 void set_does_ret() { _flags |= DoesRet; } | |
|
26
0871d5cd64cd
6621084: ciMethodBlocks::split_block_at() is broken for methods with exception handler
kvn
parents:
0
diff
changeset
|
113 void clear_does_ret() { _flags &= ~DoesRet; } |
| 0 | 114 void set_is_ret_target() { _flags |= RetTarget; } |
| 115 void set_has_handler() { _flags |= HasHandler; } | |
|
26
0871d5cd64cd
6621084: ciMethodBlocks::split_block_at() is broken for methods with exception handler
kvn
parents:
0
diff
changeset
|
116 void clear_exception_handler() { _flags &= ~Handler; _ex_start_bci = -1; _ex_limit_bci = -1; } |
| 0 | 117 #ifndef PRODUCT |
| 118 ciMethod *method() const { return _method; } | |
| 119 void dump(); | |
| 120 void print_on(outputStream* st) const PRODUCT_RETURN; | |
| 121 #endif | |
| 122 }; |