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src/hotspot/cpu/ppc/compiledIC_ppc.cpp

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 162 int CompiledStaticCall::reloc_to_interp_stub() {
 163   return 5;
 164 }
 165 
 166 void CompiledDirectStaticCall::set_to_interpreted(const methodHandle& callee, address entry) {
 167   address stub = find_stub(/*is_aot*/ false);
 168   guarantee(stub != NULL, "stub not found");
 169 
 170   if (TraceICs) {
 171     ResourceMark rm;
 172     tty->print_cr("CompiledDirectStaticCall@" INTPTR_FORMAT ": set_to_interpreted %s",
 173                   p2i(instruction_address()),
 174                   callee->name_and_sig_as_C_string());
 175   }
 176 
 177   // Creation also verifies the object.
 178   NativeMovConstReg* method_holder = nativeMovConstReg_at(stub + IC_pos_in_java_to_interp_stub);
 179   NativeJump*        jump          = nativeJump_at(method_holder->next_instruction_address());
 180 
 181 #ifdef ASSERT
 182   // read the value once
 183   volatile intptr_t data = method_holder->data();
 184   volatile address destination = jump->jump_destination();
 185   assert(data == 0 || data == (intptr_t)callee(),





 186          "a) MT-unsafe modification of inline cache");


 187   assert(destination == (address)-1 || destination == entry,
 188          "b) MT-unsafe modification of inline cache");
 189 #endif
 190 
 191   // Update stub.
 192   method_holder->set_data((intptr_t)callee());
 193   jump->set_jump_destination(entry);
 194 
 195   // Update jump to call.
 196   set_destination_mt_safe(stub);
 197 }
 198 
 199 void CompiledDirectStaticCall::set_stub_to_clean(static_stub_Relocation* static_stub) {
 200   // Reset stub.
 201   address stub = static_stub->addr();
 202   assert(stub != NULL, "stub not found");
 203   assert(CompiledICLocker::is_safe(stub), "mt unsafe call");
 204   // Creation also verifies the object.
 205   NativeMovConstReg* method_holder = nativeMovConstReg_at(stub + IC_pos_in_java_to_interp_stub);
 206   NativeJump*        jump          = nativeJump_at(method_holder->next_instruction_address());




 162 int CompiledStaticCall::reloc_to_interp_stub() {
 163   return 5;
 164 }
 165 
 166 void CompiledDirectStaticCall::set_to_interpreted(const methodHandle& callee, address entry) {
 167   address stub = find_stub(/*is_aot*/ false);
 168   guarantee(stub != NULL, "stub not found");
 169 
 170   if (TraceICs) {
 171     ResourceMark rm;
 172     tty->print_cr("CompiledDirectStaticCall@" INTPTR_FORMAT ": set_to_interpreted %s",
 173                   p2i(instruction_address()),
 174                   callee->name_and_sig_as_C_string());
 175   }
 176 
 177   // Creation also verifies the object.
 178   NativeMovConstReg* method_holder = nativeMovConstReg_at(stub + IC_pos_in_java_to_interp_stub);
 179   NativeJump*        jump          = nativeJump_at(method_holder->next_instruction_address());
 180 
 181 #ifdef ASSERT
 182   // A generated lambda form might be deleted from the Lambdaform
 183   // cache in MethodTypeForm.  If a jit compiled lambdaform method
 184   // becomes not entrant and the cache access returns null, the new
 185   // resolve will lead to a new generated LambdaForm.
 186   Method* old_method = reinterpret_cast<Method*>(method_holder->data());
 187   assert(old_method == NULL || old_method == callee() ||
 188          callee->is_compiled_lambda_form() ||
 189          !old_method->method_holder()->is_loader_alive() ||
 190          old_method->is_old(),  // may be race patching deoptimized nmethod due to redefinition.
 191          "a) MT-unsafe modification of inline cache");
 192 
 193   address destination = jump->jump_destination();
 194   assert(destination == (address)-1 || destination == entry,
 195          "b) MT-unsafe modification of inline cache");
 196 #endif
 197 
 198   // Update stub.
 199   method_holder->set_data((intptr_t)callee());
 200   jump->set_jump_destination(entry);
 201 
 202   // Update jump to call.
 203   set_destination_mt_safe(stub);
 204 }
 205 
 206 void CompiledDirectStaticCall::set_stub_to_clean(static_stub_Relocation* static_stub) {
 207   // Reset stub.
 208   address stub = static_stub->addr();
 209   assert(stub != NULL, "stub not found");
 210   assert(CompiledICLocker::is_safe(stub), "mt unsafe call");
 211   // Creation also verifies the object.
 212   NativeMovConstReg* method_holder = nativeMovConstReg_at(stub + IC_pos_in_java_to_interp_stub);
 213   NativeJump*        jump          = nativeJump_at(method_holder->next_instruction_address());


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