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1 /* |
1 /* |
2 * Copyright (c) 1997, 2010, Oracle and/or its affiliates. All rights reserved. |
2 * Copyright (c) 1997, 2016, Oracle and/or its affiliates. All rights reserved. |
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
4 * |
4 * |
5 * This code is free software; you can redistribute it and/or modify it |
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 |
6 * under the terms of the GNU General Public License version 2 only, as |
7 * published by the Free Software Foundation. |
7 * published by the Free Software Foundation. |
28 #include "memory/allocation.hpp" |
28 #include "memory/allocation.hpp" |
29 |
29 |
30 // PcDescs map a physical PC (given as offset from start of nmethod) to |
30 // PcDescs map a physical PC (given as offset from start of nmethod) to |
31 // the corresponding source scope and byte code index. |
31 // the corresponding source scope and byte code index. |
32 |
32 |
33 class nmethod; |
33 class CompiledMethod; |
34 |
34 |
35 class PcDesc VALUE_OBJ_CLASS_SPEC { |
35 class PcDesc VALUE_OBJ_CLASS_SPEC { |
36 friend class VMStructs; |
36 friend class VMStructs; |
37 private: |
37 private: |
38 int _pc_offset; // offset from start of nmethod |
38 int _pc_offset; // offset from start of nmethod |
89 |
89 |
90 bool return_oop() const { return (_flags & PCDESC_return_oop) != 0; } |
90 bool return_oop() const { return (_flags & PCDESC_return_oop) != 0; } |
91 void set_return_oop(bool z) { set_flag(PCDESC_return_oop, z); } |
91 void set_return_oop(bool z) { set_flag(PCDESC_return_oop, z); } |
92 |
92 |
93 // Returns the real pc |
93 // Returns the real pc |
94 address real_pc(const nmethod* code) const; |
94 address real_pc(const CompiledMethod* code) const; |
95 |
95 |
96 void print(nmethod* code); |
96 void print(CompiledMethod* code); |
97 bool verify(nmethod* code); |
97 bool verify(CompiledMethod* code); |
98 }; |
98 }; |
99 |
99 |
100 #endif // SHARE_VM_CODE_PCDESC_HPP |
100 #endif // SHARE_VM_CODE_PCDESC_HPP |