50 _bci = buffer.read_bci();
51 }
52
53 Method* method() { return _method; }
54 int bci() { return _bci; }
55 };
56
57 // ScopeDescs contain the information that makes source-level debugging of
58 // nmethods possible; each scopeDesc describes a method activation
59
60 class ScopeDesc : public ResourceObj {
61 public:
62 // Constructor
63 ScopeDesc(const CompiledMethod* code, int decode_offset, int obj_decode_offset, bool reexecute, bool rethrow_exception, bool return_oop);
64
65 // Calls above, giving default value of "serialized_null" to the
66 // "obj_decode_offset" argument. (We don't use a default argument to
67 // avoid a .hpp-.hpp dependency.)
68 ScopeDesc(const CompiledMethod* code, int decode_offset, bool reexecute, bool rethrow_exception, bool return_oop);
69
70 // JVM state
71 Method* method() const { return _method; }
72 int bci() const { return _bci; }
73 bool should_reexecute() const { return _reexecute; }
74 bool rethrow_exception() const { return _rethrow_exception; }
75 bool return_oop() const { return _return_oop; }
76
77 GrowableArray<ScopeValue*>* locals();
78 GrowableArray<ScopeValue*>* expressions();
79 GrowableArray<MonitorValue*>* monitors();
80 GrowableArray<ScopeValue*>* objects();
81
82 // Stack walking, returns NULL if this is the outer most scope.
83 ScopeDesc* sender() const;
84
85 // Returns where the scope was decoded
86 int decode_offset() const { return _decode_offset; }
87
88 // Tells whether sender() returns NULL
89 bool is_top() const;
90
91 private:
92 // Alternative constructor
93 ScopeDesc(const ScopeDesc* parent);
94
95 // JVM state
96 Method* _method;
97 int _bci;
98 bool _reexecute;
99 bool _rethrow_exception;
100 bool _return_oop;
101
102 // Decoding offsets
103 int _decode_offset;
104 int _sender_decode_offset;
105 int _locals_decode_offset;
106 int _expressions_decode_offset;
107 int _monitors_decode_offset;
108
109 // Object pool
110 GrowableArray<ScopeValue*>* _objects;
111
112 // Nmethod information
113 const CompiledMethod* _code;
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50 _bci = buffer.read_bci();
51 }
52
53 Method* method() { return _method; }
54 int bci() { return _bci; }
55 };
56
57 // ScopeDescs contain the information that makes source-level debugging of
58 // nmethods possible; each scopeDesc describes a method activation
59
60 class ScopeDesc : public ResourceObj {
61 public:
62 // Constructor
63 ScopeDesc(const CompiledMethod* code, int decode_offset, int obj_decode_offset, bool reexecute, bool rethrow_exception, bool return_oop);
64
65 // Calls above, giving default value of "serialized_null" to the
66 // "obj_decode_offset" argument. (We don't use a default argument to
67 // avoid a .hpp-.hpp dependency.)
68 ScopeDesc(const CompiledMethod* code, int decode_offset, bool reexecute, bool rethrow_exception, bool return_oop);
69
70 // Direct access to scope
71 ScopeDesc* at_offset(int decode_offset) { return new ScopeDesc(this, decode_offset); }
72
73 // JVM state
74 Method* method() const { return _method; }
75 int bci() const { return _bci; }
76 bool should_reexecute() const { return _reexecute; }
77 bool rethrow_exception() const { return _rethrow_exception; }
78 bool return_oop() const { return _return_oop; }
79
80 GrowableArray<ScopeValue*>* locals();
81 GrowableArray<ScopeValue*>* expressions();
82 GrowableArray<MonitorValue*>* monitors();
83 GrowableArray<ScopeValue*>* objects();
84
85 // Stack walking, returns NULL if this is the outer most scope.
86 ScopeDesc* sender() const;
87
88 // Returns where the scope was decoded
89 int decode_offset() const { return _decode_offset; }
90
91 int sender_decode_offset() const { return _sender_decode_offset; }
92
93 // Tells whether sender() returns NULL
94 bool is_top() const;
95
96 private:
97 void initialize(const ScopeDesc* parent, int decode_offset);
98 // Alternative constructors
99 ScopeDesc(const ScopeDesc* parent);
100 ScopeDesc(const ScopeDesc* parent, int decode_offset);
101
102 // JVM state
103 Method* _method;
104 int _bci;
105 bool _reexecute;
106 bool _rethrow_exception;
107 bool _return_oop;
108
109 // Decoding offsets
110 int _decode_offset;
111 int _sender_decode_offset;
112 int _locals_decode_offset;
113 int _expressions_decode_offset;
114 int _monitors_decode_offset;
115
116 // Object pool
117 GrowableArray<ScopeValue*>* _objects;
118
119 // Nmethod information
120 const CompiledMethod* _code;
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