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comparison src/share/vm/code/stubs.hpp @ 8151:b8f261ba79c6

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Minimize diff to plain HotSpot version.
author Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
date Thu, 07 Mar 2013 21:00:29 +0100
parents a7a93887b4c4
children b9a918201d47
comparison
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8150:b66f831ac5ab 8151:b8f261ba79c6
105 105
106 class StubInterface: public CHeapObj<mtCode> { 106 class StubInterface: public CHeapObj<mtCode> {
107 public: 107 public:
108 // Initialization/finalization 108 // Initialization/finalization
109 virtual void initialize(Stub* self, int size, 109 virtual void initialize(Stub* self, int size,
110 CodeComments& comments) = 0; // called after creation (called twice if allocated via (request, commit)) 110 CodeComments& comments) = 0; // called after creation (called twice if allocated via (request, commit))
111 virtual void finalize(Stub* self) = 0; // called before deallocation 111 virtual void finalize(Stub* self) = 0; // called before deallocation
112 112
113 // General info/converters 113 // General info/converters
114 virtual int size(Stub* self) const = 0; // the total size of the stub in bytes (must be a multiple of CodeEntryAlignment) 114 virtual int size(Stub* self) const = 0; // the total size of the stub in bytes (must be a multiple of CodeEntryAlignment)
115 virtual int code_size_to_size(int code_size) const = 0; // computes the total stub size in bytes given the code size in bytes 115 virtual int code_size_to_size(int code_size) const = 0; // computes the total stub size in bytes given the code size in bytes
116 116
117 // Code info 117 // Code info
118 virtual address code_begin(Stub* self) const = 0; // points to the first code byte 118 virtual address code_begin(Stub* self) const = 0; // points to the first code byte
119 virtual address code_end(Stub* self) const = 0; // points to the first byte after the code 119 virtual address code_end(Stub* self) const = 0; // points to the first byte after the code
120 120
121 // Debugging 121 // Debugging
122 virtual void verify(Stub* self) const = 0; // verifies the stub 122 virtual void verify(Stub* self) = 0; // verifies the stub
123 NOT_PRODUCT(using AllocatedObj::print_on;) 123 virtual void print(Stub* self) = 0; // prints information about the stub
124 virtual void print_on(Stub* self, outputStream* st) const = 0; // prints information about the stub
125 }; 124 };
126 125
127 126
128 // DEF_STUB_INTERFACE is used to create a concrete stub interface 127 // DEF_STUB_INTERFACE is used to create a concrete stub interface
129 // class, forwarding stub interface calls to the corresponding 128 // class, forwarding stub interface calls to the corresponding
130 // stub calls. 129 // stub calls.
131 130
132 #define DEF_STUB_INTERFACE(stub) \ 131 #define DEF_STUB_INTERFACE(stub) \
133 class stub##Interface: public StubInterface { \ 132 class stub##Interface: public StubInterface { \
134 private: \ 133 private: \
135 static stub* cast(Stub* self) { return (stub*)self; } \ 134 static stub* cast(Stub* self) { return (stub*)self; } \
136 \ 135 \
137 public: \ 136 public: \
138 /* Initialization/finalization */ \ 137 /* Initialization/finalization */ \
139 virtual void initialize(Stub* self, int size, \ 138 virtual void initialize(Stub* self, int size, \
140 CodeComments& comments) { cast(self)->initialize(size, comments); } \ 139 CodeComments& comments) { cast(self)->initialize(size, comments); } \
141 virtual void finalize(Stub* self) { cast(self)->finalize(); } \ 140 virtual void finalize(Stub* self) { cast(self)->finalize(); } \
142 \ 141 \
143 /* General info */ \ 142 /* General info */ \
144 virtual int size(Stub* self) const { return cast(self)->size(); } \ 143 virtual int size(Stub* self) const { return cast(self)->size(); } \
145 virtual int code_size_to_size(int code_size) const { return stub::code_size_to_size(code_size); } \ 144 virtual int code_size_to_size(int code_size) const { return stub::code_size_to_size(code_size); } \
146 \ 145 \
147 /* Code info */ \ 146 /* Code info */ \
148 virtual address code_begin(Stub* self) const { return cast(self)->code_begin(); } \ 147 virtual address code_begin(Stub* self) const { return cast(self)->code_begin(); } \
149 virtual address code_end(Stub* self) const { return cast(self)->code_end(); } \ 148 virtual address code_end(Stub* self) const { return cast(self)->code_end(); } \
150 \ 149 \
151 /* Debugging */ \ 150 /* Debugging */ \
152 virtual void verify(Stub* self) const { cast(self)->verify(); } \ 151 virtual void verify(Stub* self) { cast(self)->verify(); } \
153 NOT_PRODUCT(using AllocatedObj::print_on;) \ 152 virtual void print(Stub* self) { cast(self)->print(); } \
154 virtual void print_on(Stub* self, outputStream* st) const { cast(self)->print_on(st); } \
155 }; 153 };
156 154
157 155
158 // A StubQueue maintains a queue of stubs. 156 // A StubQueue maintains a queue of stubs.
159 // Note: All sizes (spaces) are given in bytes. 157 // Note: All sizes (spaces) are given in bytes.
182 void stub_finalize(Stub* s) { _stub_interface->finalize(s); } 180 void stub_finalize(Stub* s) { _stub_interface->finalize(s); }
183 int stub_size(Stub* s) const { return _stub_interface->size(s); } 181 int stub_size(Stub* s) const { return _stub_interface->size(s); }
184 bool stub_contains(Stub* s, address pc) const { return _stub_interface->code_begin(s) <= pc && pc < _stub_interface->code_end(s); } 182 bool stub_contains(Stub* s, address pc) const { return _stub_interface->code_begin(s) <= pc && pc < _stub_interface->code_end(s); }
185 int stub_code_size_to_size(int code_size) const { return _stub_interface->code_size_to_size(code_size); } 183 int stub_code_size_to_size(int code_size) const { return _stub_interface->code_size_to_size(code_size); }
186 void stub_verify(Stub* s) { _stub_interface->verify(s); } 184 void stub_verify(Stub* s) { _stub_interface->verify(s); }
187 void stub_print(Stub* s, outputStream* st) const { _stub_interface->print_on(s, st); } 185 void stub_print(Stub* s) { _stub_interface->print(s); }
188 186
189 static void register_queue(StubQueue*); 187 static void register_queue(StubQueue*);
190 188
191 public: 189 public:
192 StubQueue(StubInterface* stub_interface, int buffer_size, Mutex* lock, 190 StubQueue(StubInterface* stub_interface, int buffer_size, Mutex* lock,
226 224
227 address stub_code_begin(Stub* s) const { return _stub_interface->code_begin(s); } 225 address stub_code_begin(Stub* s) const { return _stub_interface->code_begin(s); }
228 address stub_code_end(Stub* s) const { return _stub_interface->code_end(s); } 226 address stub_code_end(Stub* s) const { return _stub_interface->code_end(s); }
229 227
230 // Debugging/printing 228 // Debugging/printing
231 void verify(); // verifies the stub queue 229 void verify(); // verifies the stub queue
232 virtual void print() const { print_on(tty); } 230 void print(); // prints information about the stub queue
233 virtual void print_on(outputStream* st) const;
234 }; 231 };
235 232
236 #endif // SHARE_VM_CODE_STUBS_HPP 233 #endif // SHARE_VM_CODE_STUBS_HPP