Mercurial > hg > truffle
annotate src/share/vm/code/pcDesc.hpp @ 18462:3d0161947d57
Fix checkstyle issues.
author | Josef Eisl <josef.eisl@jku.at> |
---|---|
date | Tue, 18 Nov 2014 11:21:07 +0100 |
parents | b8f261ba79c6 |
children |
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 * | |
1552
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
1253
diff
changeset
|
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
1253
diff
changeset
|
20 * or visit www.oracle.com if you need additional information or have any |
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
1253
diff
changeset
|
21 * questions. |
0 | 22 * |
23 */ | |
24 | |
1972 | 25 #ifndef SHARE_VM_CODE_PCDESC_HPP |
26 #define SHARE_VM_CODE_PCDESC_HPP | |
27 | |
28 #include "memory/allocation.hpp" | |
29 | |
0 | 30 // PcDescs map a physical PC (given as offset from start of nmethod) to |
31 // the corresponding source scope and byte code index. | |
32 | |
33 class nmethod; | |
34 | |
35 class PcDesc VALUE_OBJ_CLASS_SPEC { | |
36 friend class VMStructs; | |
37 private: | |
38 int _pc_offset; // offset from start of nmethod | |
39 int _scope_decode_offset; // offset for scope in nmethod | |
40 int _obj_decode_offset; | |
41 | |
3908
7588156f5cf9
7051798: SA-JDI: NPE in Frame.addressOfStackSlot(Frame.java:244)
never
parents:
1972
diff
changeset
|
42 enum { |
7588156f5cf9
7051798: SA-JDI: NPE in Frame.addressOfStackSlot(Frame.java:244)
never
parents:
1972
diff
changeset
|
43 PCDESC_reexecute = 1 << 0, |
7588156f5cf9
7051798: SA-JDI: NPE in Frame.addressOfStackSlot(Frame.java:244)
never
parents:
1972
diff
changeset
|
44 PCDESC_is_method_handle_invoke = 1 << 1, |
4137
04b9a2566eec
Merge with hsx23/hotspot.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
diff
changeset
|
45 PCDESC_return_oop = 1 << 2, |
04b9a2566eec
Merge with hsx23/hotspot.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
diff
changeset
|
46 PCDESC_rethrow_exception = 1 << 3 |
3908
7588156f5cf9
7051798: SA-JDI: NPE in Frame.addressOfStackSlot(Frame.java:244)
never
parents:
1972
diff
changeset
|
47 }; |
7588156f5cf9
7051798: SA-JDI: NPE in Frame.addressOfStackSlot(Frame.java:244)
never
parents:
1972
diff
changeset
|
48 |
7588156f5cf9
7051798: SA-JDI: NPE in Frame.addressOfStackSlot(Frame.java:244)
never
parents:
1972
diff
changeset
|
49 int _flags; |
7588156f5cf9
7051798: SA-JDI: NPE in Frame.addressOfStackSlot(Frame.java:244)
never
parents:
1972
diff
changeset
|
50 |
7588156f5cf9
7051798: SA-JDI: NPE in Frame.addressOfStackSlot(Frame.java:244)
never
parents:
1972
diff
changeset
|
51 void set_flag(int mask, bool z) { |
7588156f5cf9
7051798: SA-JDI: NPE in Frame.addressOfStackSlot(Frame.java:244)
never
parents:
1972
diff
changeset
|
52 _flags = z ? (_flags | mask) : (_flags & ~mask); |
7588156f5cf9
7051798: SA-JDI: NPE in Frame.addressOfStackSlot(Frame.java:244)
never
parents:
1972
diff
changeset
|
53 } |
931
72088be4b386
6873116: Modify reexecute implementation to use pcDesc to record the reexecute bit
cfang
parents:
0
diff
changeset
|
54 |
0 | 55 public: |
56 int pc_offset() const { return _pc_offset; } | |
57 int scope_decode_offset() const { return _scope_decode_offset; } | |
58 int obj_decode_offset() const { return _obj_decode_offset; } | |
59 | |
60 void set_pc_offset(int x) { _pc_offset = x; } | |
61 void set_scope_decode_offset(int x) { _scope_decode_offset = x; } | |
62 void set_obj_decode_offset(int x) { _obj_decode_offset = x; } | |
63 | |
64 // Constructor (only used for static in nmethod.cpp) | |
65 // Also used by ScopeDesc::sender()] | |
7660
0b646334c5f7
keep track of leafGraphIds only at the StructuredGraph level (see GRAAL-60)
Lukas Stadler <lukas.stadler@jku.at>
parents:
5131
diff
changeset
|
66 PcDesc(int pc_offset, int scope_decode_offset, int obj_decode_offset); |
0 | 67 |
68 enum { | |
69 // upper and lower exclusive limits real offsets: | |
70 lower_offset_limit = -1, | |
71 upper_offset_limit = (unsigned int)-1 >> 1 | |
72 }; | |
73 | |
931
72088be4b386
6873116: Modify reexecute implementation to use pcDesc to record the reexecute bit
cfang
parents:
0
diff
changeset
|
74 // Flags |
4138
82af018d61db
Merge fixes.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
4137
diff
changeset
|
75 bool rethrow_exception() const { return (_flags & PCDESC_rethrow_exception) != 0; } |
4137
04b9a2566eec
Merge with hsx23/hotspot.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
diff
changeset
|
76 void set_rethrow_exception(bool z) { set_flag(PCDESC_rethrow_exception, z); } |
3908
7588156f5cf9
7051798: SA-JDI: NPE in Frame.addressOfStackSlot(Frame.java:244)
never
parents:
1972
diff
changeset
|
77 bool should_reexecute() const { return (_flags & PCDESC_reexecute) != 0; } |
7588156f5cf9
7051798: SA-JDI: NPE in Frame.addressOfStackSlot(Frame.java:244)
never
parents:
1972
diff
changeset
|
78 void set_should_reexecute(bool z) { set_flag(PCDESC_reexecute, z); } |
931
72088be4b386
6873116: Modify reexecute implementation to use pcDesc to record the reexecute bit
cfang
parents:
0
diff
changeset
|
79 |
1014
8e954aedbb81
6889869: assert(!Interpreter::bytecode_should_reexecute(code),"should not reexecute")
never
parents:
931
diff
changeset
|
80 // Does pd refer to the same information as pd? |
8e954aedbb81
6889869: assert(!Interpreter::bytecode_should_reexecute(code),"should not reexecute")
never
parents:
931
diff
changeset
|
81 bool is_same_info(const PcDesc* pd) { |
8e954aedbb81
6889869: assert(!Interpreter::bytecode_should_reexecute(code),"should not reexecute")
never
parents:
931
diff
changeset
|
82 return _scope_decode_offset == pd->_scope_decode_offset && |
8e954aedbb81
6889869: assert(!Interpreter::bytecode_should_reexecute(code),"should not reexecute")
never
parents:
931
diff
changeset
|
83 _obj_decode_offset == pd->_obj_decode_offset && |
8151
b8f261ba79c6
Minimize diff to plain HotSpot version.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
7660
diff
changeset
|
84 _flags == pd->_flags; |
1014
8e954aedbb81
6889869: assert(!Interpreter::bytecode_should_reexecute(code),"should not reexecute")
never
parents:
931
diff
changeset
|
85 } |
8e954aedbb81
6889869: assert(!Interpreter::bytecode_should_reexecute(code),"should not reexecute")
never
parents:
931
diff
changeset
|
86 |
3908
7588156f5cf9
7051798: SA-JDI: NPE in Frame.addressOfStackSlot(Frame.java:244)
never
parents:
1972
diff
changeset
|
87 bool is_method_handle_invoke() const { return (_flags & PCDESC_is_method_handle_invoke) != 0; } |
7588156f5cf9
7051798: SA-JDI: NPE in Frame.addressOfStackSlot(Frame.java:244)
never
parents:
1972
diff
changeset
|
88 void set_is_method_handle_invoke(bool z) { set_flag(PCDESC_is_method_handle_invoke, z); } |
1135
e66fd840cb6b
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
1014
diff
changeset
|
89 |
3908
7588156f5cf9
7051798: SA-JDI: NPE in Frame.addressOfStackSlot(Frame.java:244)
never
parents:
1972
diff
changeset
|
90 bool return_oop() const { return (_flags & PCDESC_return_oop) != 0; } |
7588156f5cf9
7051798: SA-JDI: NPE in Frame.addressOfStackSlot(Frame.java:244)
never
parents:
1972
diff
changeset
|
91 void set_return_oop(bool z) { set_flag(PCDESC_return_oop, z); } |
1253
f70b0d9ab095
6910618: C2: Error: assert(d->is_oop(),"JVM_ArrayCopy: dst not an oop")
kvn
parents:
1135
diff
changeset
|
92 |
0 | 93 // Returns the real pc |
94 address real_pc(const nmethod* code) const; | |
95 | |
96 void print(nmethod* code); | |
97 bool verify(nmethod* code); | |
98 }; | |
1972 | 99 |
100 #endif // SHARE_VM_CODE_PCDESC_HPP |