1 /*
2 * Copyright (c) 2006, 2008, 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 */
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); }
104 bool does_ret() const { return (_flags & DoesRet) != 0; }
105 bool has_handler() const { return (_flags & HasHandler) != 0; }
106 bool is_ret_target() const { return (_flags & RetTarget) != 0; }
107 void set_processed() { _flags |= Processed; }
108 void clear_processed() { _flags &= ~Processed; }
109 void set_handler() { _flags |= Handler; }
110 void set_may_throw() { _flags |= MayThrow; }
111 void set_does_jsr() { _flags |= DoesJsr; }
112 void clear_does_jsr() { _flags &= ~DoesJsr; }
113 void set_does_ret() { _flags |= DoesRet; }
114 void clear_does_ret() { _flags &= ~DoesRet; }
115 void set_is_ret_target() { _flags |= RetTarget; }
116 void set_has_handler() { _flags |= HasHandler; }
117 void clear_exception_handler() { _flags &= ~Handler; _ex_start_bci = -1; _ex_limit_bci = -1; }
118 #ifndef PRODUCT
119 ciMethod *method() const { return _method; }
120 void dump();
121 void print_on(outputStream* st) const PRODUCT_RETURN;
122 #endif
123 };
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1 /*
2 * Copyright (c) 2006, 2010, 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 */
24
25 #ifndef SHARE_VM_CI_CIMETHODBLOCKS_HPP
26 #define SHARE_VM_CI_CIMETHODBLOCKS_HPP
27
28 #include "ci/ciMethod.hpp"
29 #include "memory/resourceArea.hpp"
30 #include "utilities/growableArray.hpp"
31
32
33 class ciBlock;
34
35 typedef short ciBlockIndex;
36
37 class ciMethodBlocks : public ResourceObj {
38 private:
39 ciMethod *_method;
40 Arena *_arena;
41 GrowableArray<ciBlock *> *_blocks;
42 ciBlock **_bci_to_block;
43 int _num_blocks;
44 int _code_size;
45
46 void do_analysis();
47 public:
48 ciMethodBlocks(Arena *arena, ciMethod *meth);
49
50 ciBlock *block_containing(int bci);
51 ciBlock *block(int index) { return _blocks->at(index); }
111 bool does_ret() const { return (_flags & DoesRet) != 0; }
112 bool has_handler() const { return (_flags & HasHandler) != 0; }
113 bool is_ret_target() const { return (_flags & RetTarget) != 0; }
114 void set_processed() { _flags |= Processed; }
115 void clear_processed() { _flags &= ~Processed; }
116 void set_handler() { _flags |= Handler; }
117 void set_may_throw() { _flags |= MayThrow; }
118 void set_does_jsr() { _flags |= DoesJsr; }
119 void clear_does_jsr() { _flags &= ~DoesJsr; }
120 void set_does_ret() { _flags |= DoesRet; }
121 void clear_does_ret() { _flags &= ~DoesRet; }
122 void set_is_ret_target() { _flags |= RetTarget; }
123 void set_has_handler() { _flags |= HasHandler; }
124 void clear_exception_handler() { _flags &= ~Handler; _ex_start_bci = -1; _ex_limit_bci = -1; }
125 #ifndef PRODUCT
126 ciMethod *method() const { return _method; }
127 void dump();
128 void print_on(outputStream* st) const PRODUCT_RETURN;
129 #endif
130 };
131
132 #endif // SHARE_VM_CI_CIMETHODBLOCKS_HPP
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