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src/hotspot/cpu/x86/interpreterRT_x86_32.cpp

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  55 #endif // AMD64
  56 }
  57 
  58 void InterpreterRuntime::SignatureHandlerGenerator::pass_int() {
  59   move(offset(), jni_offset() + 1);
  60 }
  61 
  62 void InterpreterRuntime::SignatureHandlerGenerator::pass_float() {
  63   move(offset(), jni_offset() + 1);
  64 }
  65 
  66 void InterpreterRuntime::SignatureHandlerGenerator::pass_long() {
  67    move(offset(), jni_offset() + 2);
  68    move(offset() + 1, jni_offset() + 1);
  69 }
  70 
  71 void InterpreterRuntime::SignatureHandlerGenerator::pass_object() {
  72   box (offset(), jni_offset() + 1);
  73 }
  74 




  75 void InterpreterRuntime::SignatureHandlerGenerator::move(int from_offset, int to_offset) {
  76   __ movl(temp(), Address(from(), Interpreter::local_offset_in_bytes(from_offset)));
  77   __ movl(Address(to(), to_offset * wordSize), temp());
  78 }
  79 
  80 
  81 void InterpreterRuntime::SignatureHandlerGenerator::box(int from_offset, int to_offset) {
  82   __ lea(temp(), Address(from(), Interpreter::local_offset_in_bytes(from_offset)));
  83   __ cmpptr(Address(from(), Interpreter::local_offset_in_bytes(from_offset)), (int32_t)NULL_WORD); // do not use temp() to avoid AGI
  84   Label L;
  85   __ jcc(Assembler::notZero, L);
  86   __ movptr(temp(), NULL_WORD);
  87   __ bind(L);
  88   __ movptr(Address(to(), to_offset * wordSize), temp());
  89 }
  90 
  91 
  92 void InterpreterRuntime::SignatureHandlerGenerator::generate( uint64_t fingerprint) {
  93   // generate code to handle arguments
  94   iterate(fingerprint);


 116   intptr_t* _to;
 117 
 118   virtual void pass_int() {
 119     *_to++ = *(jint *)(_from+Interpreter::local_offset_in_bytes(0));
 120     _from -= Interpreter::stackElementSize;
 121   }
 122 
 123   virtual void pass_float() {
 124     *_to++ = *(jint *)(_from+Interpreter::local_offset_in_bytes(0));
 125     _from -= Interpreter::stackElementSize;
 126   }
 127 
 128   virtual void pass_long() {
 129     _to[0] = *(intptr_t*)(_from+Interpreter::local_offset_in_bytes(1));
 130     _to[1] = *(intptr_t*)(_from+Interpreter::local_offset_in_bytes(0));
 131     _to += 2;
 132     _from -= 2*Interpreter::stackElementSize;
 133   }
 134 
 135   virtual void pass_object() {







 136     // pass address of from
 137     intptr_t from_addr = (intptr_t)(_from + Interpreter::local_offset_in_bytes(0));
 138     *_to++ = (*(intptr_t*)from_addr == 0) ? NULL_WORD : from_addr;
 139     _from -= Interpreter::stackElementSize;
 140    }
 141 
 142  public:
 143   SlowSignatureHandler(const methodHandle& method, address from, intptr_t* to) :
 144     NativeSignatureIterator(method) {
 145     _from = from;
 146     _to   = to + (is_static() ? 2 : 1);
 147   }
 148 };
 149 
 150 IRT_ENTRY(address, InterpreterRuntime::slow_signature_handler(JavaThread* thread, Method* method, intptr_t* from, intptr_t* to))
 151   methodHandle m(thread, (Method*)method);
 152   assert(m->is_native(), "sanity check");
 153   // handle arguments
 154   SlowSignatureHandler(m, (address)from, to + 1).iterate((uint64_t)CONST64(-1));
 155   // return result handler


  55 #endif // AMD64
  56 }
  57 
  58 void InterpreterRuntime::SignatureHandlerGenerator::pass_int() {
  59   move(offset(), jni_offset() + 1);
  60 }
  61 
  62 void InterpreterRuntime::SignatureHandlerGenerator::pass_float() {
  63   move(offset(), jni_offset() + 1);
  64 }
  65 
  66 void InterpreterRuntime::SignatureHandlerGenerator::pass_long() {
  67    move(offset(), jni_offset() + 2);
  68    move(offset() + 1, jni_offset() + 1);
  69 }
  70 
  71 void InterpreterRuntime::SignatureHandlerGenerator::pass_object() {
  72   box (offset(), jni_offset() + 1);
  73 }
  74 
  75 void InterpreterRuntime::SignatureHandlerGenerator::pass_valuetype() {
  76   box (offset(), jni_offset() + 1);
  77 }
  78 
  79 void InterpreterRuntime::SignatureHandlerGenerator::move(int from_offset, int to_offset) {
  80   __ movl(temp(), Address(from(), Interpreter::local_offset_in_bytes(from_offset)));
  81   __ movl(Address(to(), to_offset * wordSize), temp());
  82 }
  83 
  84 
  85 void InterpreterRuntime::SignatureHandlerGenerator::box(int from_offset, int to_offset) {
  86   __ lea(temp(), Address(from(), Interpreter::local_offset_in_bytes(from_offset)));
  87   __ cmpptr(Address(from(), Interpreter::local_offset_in_bytes(from_offset)), (int32_t)NULL_WORD); // do not use temp() to avoid AGI
  88   Label L;
  89   __ jcc(Assembler::notZero, L);
  90   __ movptr(temp(), NULL_WORD);
  91   __ bind(L);
  92   __ movptr(Address(to(), to_offset * wordSize), temp());
  93 }
  94 
  95 
  96 void InterpreterRuntime::SignatureHandlerGenerator::generate( uint64_t fingerprint) {
  97   // generate code to handle arguments
  98   iterate(fingerprint);


 120   intptr_t* _to;
 121 
 122   virtual void pass_int() {
 123     *_to++ = *(jint *)(_from+Interpreter::local_offset_in_bytes(0));
 124     _from -= Interpreter::stackElementSize;
 125   }
 126 
 127   virtual void pass_float() {
 128     *_to++ = *(jint *)(_from+Interpreter::local_offset_in_bytes(0));
 129     _from -= Interpreter::stackElementSize;
 130   }
 131 
 132   virtual void pass_long() {
 133     _to[0] = *(intptr_t*)(_from+Interpreter::local_offset_in_bytes(1));
 134     _to[1] = *(intptr_t*)(_from+Interpreter::local_offset_in_bytes(0));
 135     _to += 2;
 136     _from -= 2*Interpreter::stackElementSize;
 137   }
 138 
 139   virtual void pass_object() {
 140     // pass address of from
 141     intptr_t from_addr = (intptr_t)(_from + Interpreter::local_offset_in_bytes(0));
 142     *_to++ = (*(intptr_t*)from_addr == 0) ? NULL_WORD : from_addr;
 143     _from -= Interpreter::stackElementSize;
 144    }
 145 
 146   virtual void pass_valuetype() {
 147     // pass address of from
 148     intptr_t from_addr = (intptr_t)(_from + Interpreter::local_offset_in_bytes(0));
 149     *_to++ = (*(intptr_t*)from_addr == 0) ? NULL_WORD : from_addr;
 150     _from -= Interpreter::stackElementSize;
 151    }
 152 
 153  public:
 154   SlowSignatureHandler(const methodHandle& method, address from, intptr_t* to) :
 155     NativeSignatureIterator(method) {
 156     _from = from;
 157     _to   = to + (is_static() ? 2 : 1);
 158   }
 159 };
 160 
 161 IRT_ENTRY(address, InterpreterRuntime::slow_signature_handler(JavaThread* thread, Method* method, intptr_t* from, intptr_t* to))
 162   methodHandle m(thread, (Method*)method);
 163   assert(m->is_native(), "sanity check");
 164   // handle arguments
 165   SlowSignatureHandler(m, (address)from, to + 1).iterate((uint64_t)CONST64(-1));
 166   // return result handler
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