43 move(offset(), jni_offset() + 1);
44 }
45
46 void InterpreterRuntime::SignatureHandlerGenerator::pass_float() {
47 move(offset(), jni_offset() + 1);
48 }
49
50 void InterpreterRuntime::SignatureHandlerGenerator::pass_long() {
51 move(offset(), jni_offset() + 2);
52 move(offset() + 1, jni_offset() + 1);
53 }
54
55 void InterpreterRuntime::SignatureHandlerGenerator::pass_object() {
56 box (offset(), jni_offset() + 1);
57 }
58
59 void InterpreterRuntime::SignatureHandlerGenerator::pass_valuetype() {
60 box (offset(), jni_offset() + 1);
61 }
62
63 void InterpreterRuntime::SignatureHandlerGenerator::pass_valuetype() {
64 box (offset(), jni_offset() + 1);
65 }
66
67 void InterpreterRuntime::SignatureHandlerGenerator::move(int from_offset, int to_offset) {
68 __ movl(temp(), Address(from(), Interpreter::local_offset_in_bytes(from_offset)));
69 __ movl(Address(to(), to_offset * wordSize), temp());
70 }
71
72
73 void InterpreterRuntime::SignatureHandlerGenerator::box(int from_offset, int to_offset) {
74 __ lea(temp(), Address(from(), Interpreter::local_offset_in_bytes(from_offset)));
75 __ cmpptr(Address(from(), Interpreter::local_offset_in_bytes(from_offset)), (int32_t)NULL_WORD); // do not use temp() to avoid AGI
76 Label L;
77 __ jcc(Assembler::notZero, L);
78 __ movptr(temp(), NULL_WORD);
79 __ bind(L);
80 __ movptr(Address(to(), to_offset * wordSize), temp());
81 }
82
83
84 void InterpreterRuntime::SignatureHandlerGenerator::generate( uint64_t fingerprint) {
85 // generate code to handle arguments
86 iterate(fingerprint);
120 virtual void pass_long() {
121 _to[0] = *(intptr_t*)(_from+Interpreter::local_offset_in_bytes(1));
122 _to[1] = *(intptr_t*)(_from+Interpreter::local_offset_in_bytes(0));
123 _to += 2;
124 _from -= 2*Interpreter::stackElementSize;
125 }
126
127 virtual void pass_object() {
128 // pass address of from
129 intptr_t from_addr = (intptr_t)(_from + Interpreter::local_offset_in_bytes(0));
130 *_to++ = (*(intptr_t*)from_addr == 0) ? NULL_WORD : from_addr;
131 _from -= Interpreter::stackElementSize;
132 }
133
134 virtual void pass_valuetype() {
135 // pass address of from
136 intptr_t from_addr = (intptr_t)(_from + Interpreter::local_offset_in_bytes(0));
137 *_to++ = (*(intptr_t*)from_addr == 0) ? NULL_WORD : from_addr;
138 _from -= Interpreter::stackElementSize;
139 }
140
141 virtual void pass_valuetype() {
142 // pass address of from
143 intptr_t from_addr = (intptr_t)(_from + Interpreter::local_offset_in_bytes(0));
144 *_to++ = (*(intptr_t*)from_addr == 0) ? NULL_WORD : from_addr;
145 _from -= Interpreter::stackElementSize;
146 }
147
148 public:
149 SlowSignatureHandler(methodHandle method, address from, intptr_t* to) :
150 NativeSignatureIterator(method) {
151 _from = from;
152 _to = to + (is_static() ? 2 : 1);
153 }
154 };
155
156 IRT_ENTRY(address, InterpreterRuntime::slow_signature_handler(JavaThread* thread, Method* method, intptr_t* from, intptr_t* to))
157 methodHandle m(thread, (Method*)method);
158 assert(m->is_native(), "sanity check");
159 // handle arguments
160 SlowSignatureHandler(m, (address)from, to + 1).iterate((uint64_t)CONST64(-1));
161 // return result handler
162 return Interpreter::result_handler(m->result_type());
163 IRT_END
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43 move(offset(), jni_offset() + 1);
44 }
45
46 void InterpreterRuntime::SignatureHandlerGenerator::pass_float() {
47 move(offset(), jni_offset() + 1);
48 }
49
50 void InterpreterRuntime::SignatureHandlerGenerator::pass_long() {
51 move(offset(), jni_offset() + 2);
52 move(offset() + 1, jni_offset() + 1);
53 }
54
55 void InterpreterRuntime::SignatureHandlerGenerator::pass_object() {
56 box (offset(), jni_offset() + 1);
57 }
58
59 void InterpreterRuntime::SignatureHandlerGenerator::pass_valuetype() {
60 box (offset(), jni_offset() + 1);
61 }
62
63 void InterpreterRuntime::SignatureHandlerGenerator::move(int from_offset, int to_offset) {
64 __ movl(temp(), Address(from(), Interpreter::local_offset_in_bytes(from_offset)));
65 __ movl(Address(to(), to_offset * wordSize), temp());
66 }
67
68
69 void InterpreterRuntime::SignatureHandlerGenerator::box(int from_offset, int to_offset) {
70 __ lea(temp(), Address(from(), Interpreter::local_offset_in_bytes(from_offset)));
71 __ cmpptr(Address(from(), Interpreter::local_offset_in_bytes(from_offset)), (int32_t)NULL_WORD); // do not use temp() to avoid AGI
72 Label L;
73 __ jcc(Assembler::notZero, L);
74 __ movptr(temp(), NULL_WORD);
75 __ bind(L);
76 __ movptr(Address(to(), to_offset * wordSize), temp());
77 }
78
79
80 void InterpreterRuntime::SignatureHandlerGenerator::generate( uint64_t fingerprint) {
81 // generate code to handle arguments
82 iterate(fingerprint);
116 virtual void pass_long() {
117 _to[0] = *(intptr_t*)(_from+Interpreter::local_offset_in_bytes(1));
118 _to[1] = *(intptr_t*)(_from+Interpreter::local_offset_in_bytes(0));
119 _to += 2;
120 _from -= 2*Interpreter::stackElementSize;
121 }
122
123 virtual void pass_object() {
124 // pass address of from
125 intptr_t from_addr = (intptr_t)(_from + Interpreter::local_offset_in_bytes(0));
126 *_to++ = (*(intptr_t*)from_addr == 0) ? NULL_WORD : from_addr;
127 _from -= Interpreter::stackElementSize;
128 }
129
130 virtual void pass_valuetype() {
131 // pass address of from
132 intptr_t from_addr = (intptr_t)(_from + Interpreter::local_offset_in_bytes(0));
133 *_to++ = (*(intptr_t*)from_addr == 0) ? NULL_WORD : from_addr;
134 _from -= Interpreter::stackElementSize;
135 }
136
137 public:
138 SlowSignatureHandler(methodHandle method, address from, intptr_t* to) :
139 NativeSignatureIterator(method) {
140 _from = from;
141 _to = to + (is_static() ? 2 : 1);
142 }
143 };
144
145 IRT_ENTRY(address, InterpreterRuntime::slow_signature_handler(JavaThread* thread, Method* method, intptr_t* from, intptr_t* to))
146 methodHandle m(thread, (Method*)method);
147 assert(m->is_native(), "sanity check");
148 // handle arguments
149 SlowSignatureHandler(m, (address)from, to + 1).iterate((uint64_t)CONST64(-1));
150 // return result handler
151 return Interpreter::result_handler(m->result_type());
152 IRT_END
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