49 #endif
50
51 #ifdef CC_INTERP
52
53 // JavaStack Implementation
54 #define MORE_STACK(count) \
55 (topOfStack -= ((count) * Interpreter::stackElementWords))
56
57 // CVM definitions find hotspot equivalents...
58
59 union VMJavaVal64 {
60 jlong l;
61 jdouble d;
62 uint32_t v[2];
63 };
64
65
66 typedef class BytecodeInterpreter* interpreterState;
67
68 struct call_message {
69 class Method* _callee; /* method to call during call_method request */
70 address _callee_entry_point; /* address to jump to for call_method request */
71 int _bcp_advance; /* size of the invoke bytecode operation */
72 };
73
74 struct osr_message {
75 address _osr_buf; /* the osr buffer */
76 address _osr_entry; /* the entry to the osr method */
77 };
78
79 struct osr_result {
80 nmethod* nm; /* osr nmethod */
81 address return_addr; /* osr blob return address */
82 };
83
84 // Result returned to frame manager
85 union frame_manager_message {
86 call_message _to_call; /* describes callee */
87 Bytecodes::Code _return_kind; /* i_return, a_return, ... */
88 osr_message _osr; /* describes the osr */
89 osr_result _osr_result; /* result of OSR request */
90 };
91
92 class BytecodeInterpreter : StackObj {
93 friend class SharedRuntime;
94 friend class AbstractInterpreterGenerator;
95 friend class CppInterpreterGenerator;
96 friend class InterpreterGenerator;
97 friend class InterpreterMacroAssembler;
98 friend class frame;
99 friend class VMStructs;
100
101 public:
102 enum messages {
103 no_request = 0, // unused
104 initialize, // Perform one time interpreter initializations (assumes all switches set)
105 // status message to C++ interpreter
106 method_entry, // initial method entry to interpreter
107 method_resume, // frame manager response to return_from_method request (assuming a frame to resume)
108 deopt_resume, // returning from a native call into a deopted frame
109 deopt_resume2, // deopt resume as a result of a PopFrame
110 got_monitors, // frame manager response to more_monitors request
111 rethrow_exception, // unwinding and throwing exception
112 // requests to frame manager from C++ interpreter
113 call_method, // request for new frame from interpreter, manager responds with method_entry
114 return_from_method, // request from interpreter to unwind, manager responds with method_continue
115 more_monitors, // need a new monitor
116 throwing_exception, // unwind stack and rethrow
117 popping_frame, // unwind call and retry call
118 do_osr // request this invocation be OSR's
119 };
120
121 private:
122 JavaThread* _thread; // the vm's java thread pointer
123 address _bcp; // instruction pointer
124 intptr_t* _locals; // local variable pointer
125 ConstantPoolCache* _constants; // constant pool cache
126 Method* _method; // method being executed
127 DataLayout* _mdx; // compiler profiling data for current bytecode
128 intptr_t* _stack; // expression stack
129 messages _msg; // frame manager <-> interpreter message
130 frame_manager_message _result; // result to frame manager
131 interpreterState _prev_link; // previous interpreter state
132 oop _oop_temp; // mirror for interpreted native, null otherwise
133 intptr_t* _stack_base; // base of expression stack
134 intptr_t* _stack_limit; // limit of expression stack
135 BasicObjectLock* _monitor_base; // base of monitors on the native stack
136
137
138 public:
199 inline void set_bcp(address new_bcp) { _bcp = new_bcp; }
200
201 inline intptr_t* locals() { return _locals; }
202
203 inline ConstantPoolCache* constants() { return _constants; }
204 inline Method* method() { return _method; }
205 inline DataLayout* mdx() { return _mdx; }
206 inline void set_mdx(DataLayout *new_mdx) { _mdx = new_mdx; }
207
208 inline messages msg() { return _msg; }
209 inline void set_msg(messages new_msg) { _msg = new_msg; }
210
211 inline Method* callee() { return _result._to_call._callee; }
212 inline void set_callee(Method* new_callee) { _result._to_call._callee = new_callee; }
213 inline void set_callee_entry_point(address entry) { _result._to_call._callee_entry_point = entry; }
214 inline void set_osr_buf(address buf) { _result._osr._osr_buf = buf; }
215 inline void set_osr_entry(address entry) { _result._osr._osr_entry = entry; }
216 inline int bcp_advance() { return _result._to_call._bcp_advance; }
217 inline void set_bcp_advance(int count) { _result._to_call._bcp_advance = count; }
218
219 inline void set_return_kind(Bytecodes::Code kind) { _result._return_kind = kind; }
220
221 inline interpreterState prev() { return _prev_link; }
222
223 inline intptr_t* stack() { return _stack; }
224 inline void set_stack(intptr_t* new_stack) { _stack = new_stack; }
225
226
227 inline intptr_t* stack_base() { return _stack_base; }
228 inline intptr_t* stack_limit() { return _stack_limit; }
229
230 inline BasicObjectLock* monitor_base() { return _monitor_base; }
231
232 /*
233 * 64-bit Arithmetic:
234 *
235 * The functions below follow the semantics of the
236 * ladd, land, ldiv, lmul, lor, lxor, and lrem bytecodes,
237 * respectively.
238 */
239
240 static jlong VMlongAdd(jlong op1, jlong op2);
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49 #endif
50
51 #ifdef CC_INTERP
52
53 // JavaStack Implementation
54 #define MORE_STACK(count) \
55 (topOfStack -= ((count) * Interpreter::stackElementWords))
56
57 // CVM definitions find hotspot equivalents...
58
59 union VMJavaVal64 {
60 jlong l;
61 jdouble d;
62 uint32_t v[2];
63 };
64
65
66 typedef class BytecodeInterpreter* interpreterState;
67
68 struct call_message {
69 class Method* _callee; // method to call during call_method request
70 address _callee_entry_point; // address to jump to for call_method request
71 int _bcp_advance; // size of the invoke bytecode operation
72 };
73
74 struct osr_message {
75 address _osr_buf; // the osr buffer
76 address _osr_entry; // the entry to the osr method
77 };
78
79 struct osr_result {
80 nmethod* nm; // osr nmethod
81 address return_addr; // osr blob return address
82 };
83
84 // Result returned to frame manager
85 union frame_manager_message {
86 call_message _to_call; // describes callee
87 osr_message _osr; // describes the osr
88 osr_result _osr_result; // result of OSR request
89 };
90
91 class BytecodeInterpreter : StackObj {
92 friend class SharedRuntime;
93 friend class AbstractInterpreterGenerator;
94 friend class CppInterpreterGenerator;
95 friend class InterpreterGenerator;
96 friend class InterpreterMacroAssembler;
97 friend class frame;
98 friend class VMStructs;
99
100 public:
101 enum messages {
102 no_request = 0, // unused
103 initialize, // Perform one time interpreter initializations (assumes all switches set)
104 // status message to C++ interpreter
105 method_entry, // initial method entry to interpreter
106 method_resume, // frame manager response to return_from_method request (assuming a frame to resume)
107 deopt_resume, // returning from a native call into a deopted frame
108 deopt_resume2, // deopt resume as a result of a PopFrame
109 got_monitors, // frame manager response to more_monitors request
110 rethrow_exception, // unwinding and throwing exception
111 // requests to frame manager from C++ interpreter
112 call_method, // request for new frame from interpreter, manager responds with method_entry
113 return_from_method, // request from interpreter to unwind, manager responds with method_continue
114 more_monitors, // need a new monitor
115 throwing_exception, // unwind stack and rethrow
116 popping_frame, // unwind call and retry call
117 do_osr, // request this invocation be OSR's
118 early_return // early return as commanded by jvmti
119 };
120
121 private:
122 JavaThread* _thread; // the vm's java thread pointer
123 address _bcp; // instruction pointer
124 intptr_t* _locals; // local variable pointer
125 ConstantPoolCache* _constants; // constant pool cache
126 Method* _method; // method being executed
127 DataLayout* _mdx; // compiler profiling data for current bytecode
128 intptr_t* _stack; // expression stack
129 messages _msg; // frame manager <-> interpreter message
130 frame_manager_message _result; // result to frame manager
131 interpreterState _prev_link; // previous interpreter state
132 oop _oop_temp; // mirror for interpreted native, null otherwise
133 intptr_t* _stack_base; // base of expression stack
134 intptr_t* _stack_limit; // limit of expression stack
135 BasicObjectLock* _monitor_base; // base of monitors on the native stack
136
137
138 public:
199 inline void set_bcp(address new_bcp) { _bcp = new_bcp; }
200
201 inline intptr_t* locals() { return _locals; }
202
203 inline ConstantPoolCache* constants() { return _constants; }
204 inline Method* method() { return _method; }
205 inline DataLayout* mdx() { return _mdx; }
206 inline void set_mdx(DataLayout *new_mdx) { _mdx = new_mdx; }
207
208 inline messages msg() { return _msg; }
209 inline void set_msg(messages new_msg) { _msg = new_msg; }
210
211 inline Method* callee() { return _result._to_call._callee; }
212 inline void set_callee(Method* new_callee) { _result._to_call._callee = new_callee; }
213 inline void set_callee_entry_point(address entry) { _result._to_call._callee_entry_point = entry; }
214 inline void set_osr_buf(address buf) { _result._osr._osr_buf = buf; }
215 inline void set_osr_entry(address entry) { _result._osr._osr_entry = entry; }
216 inline int bcp_advance() { return _result._to_call._bcp_advance; }
217 inline void set_bcp_advance(int count) { _result._to_call._bcp_advance = count; }
218
219 inline interpreterState prev() { return _prev_link; }
220
221 inline intptr_t* stack() { return _stack; }
222 inline void set_stack(intptr_t* new_stack) { _stack = new_stack; }
223
224
225 inline intptr_t* stack_base() { return _stack_base; }
226 inline intptr_t* stack_limit() { return _stack_limit; }
227
228 inline BasicObjectLock* monitor_base() { return _monitor_base; }
229
230 /*
231 * 64-bit Arithmetic:
232 *
233 * The functions below follow the semantics of the
234 * ladd, land, ldiv, lmul, lor, lxor, and lrem bytecodes,
235 * respectively.
236 */
237
238 static jlong VMlongAdd(jlong op1, jlong op2);
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