1 // Copyright 2014 the V8 project authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #include "src/v8.h" 6 7 #include "src/assembler.h" 8 #include "src/code-stubs.h" 9 #include "src/compiler/linkage.h" 10 #include "src/compiler/linkage-impl.h" 11 #include "src/zone.h" 12 13 namespace v8 { 14 namespace internal { 15 namespace compiler { 16 17 struct IA32LinkageHelperTraits { 18 static Register ReturnValueReg() { return eax; } 19 static Register ReturnValue2Reg() { return edx; } 20 static Register JSCallFunctionReg() { return edi; } 21 static Register ContextReg() { return esi; } 22 static Register RuntimeCallFunctionReg() { return ebx; } 23 static Register RuntimeCallArgCountReg() { return eax; } 24 static RegList CCalleeSaveRegisters() { 25 return esi.bit() | edi.bit() | ebx.bit(); 26 } 27 static Register CRegisterParameter(int i) { return no_reg; } 28 static int CRegisterParametersLength() { return 0; } 29 }; 30 31 typedef LinkageHelper<IA32LinkageHelperTraits> LH; 32 33 CallDescriptor* Linkage::GetJSCallDescriptor(int parameter_count, Zone* zone) { 34 return LH::GetJSCallDescriptor(zone, parameter_count); 35 } 36 37 38 CallDescriptor* Linkage::GetRuntimeCallDescriptor( 39 Runtime::FunctionId function, int parameter_count, 40 Operator::Properties properties, Zone* zone) { 41 return LH::GetRuntimeCallDescriptor(zone, function, parameter_count, 42 properties); 43 } 44 45 46 CallDescriptor* Linkage::GetStubCallDescriptor( 47 CallInterfaceDescriptor descriptor, int stack_parameter_count, 48 CallDescriptor::Flags flags, Zone* zone) { 49 return LH::GetStubCallDescriptor(zone, descriptor, stack_parameter_count, 50 flags); 51 } 52 53 54 CallDescriptor* Linkage::GetSimplifiedCDescriptor(Zone* zone, 55 MachineSignature* sig) { 56 return LH::GetSimplifiedCDescriptor(zone, sig); 57 } 58 59 } // namespace compiler 60 } // namespace internal 61 } // namespace v8 62
