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.
7 #include "src/assembler.h"
8 #include "src/code-stubs.h"
9 #include "src/compiler/linkage.h"
10 #include "src/compiler/linkage-impl.h"
17 struct LinkageHelperTraits {
18 static Register ReturnValueReg() { return r0; }
19 static Register ReturnValue2Reg() { return r1; }
20 static Register JSCallFunctionReg() { return r1; }
21 static Register ContextReg() { return cp; }
22 static Register RuntimeCallFunctionReg() { return r1; }
23 static Register RuntimeCallArgCountReg() { return r0; }
24 static RegList CCalleeSaveRegisters() {
25 return r4.bit() | r5.bit() | r6.bit() | r7.bit() | r8.bit() | r9.bit() |
28 static Register CRegisterParameter(int i) {
29 static Register register_parameters[] = {r0, r1, r2, r3};
30 return register_parameters[i];
32 static int CRegisterParametersLength() { return 4; }
36 CallDescriptor* Linkage::GetJSCallDescriptor(int parameter_count, Zone* zone) {
37 return LinkageHelper::GetJSCallDescriptor<LinkageHelperTraits>(
38 zone, parameter_count);
42 CallDescriptor* Linkage::GetRuntimeCallDescriptor(
43 Runtime::FunctionId function, int parameter_count,
44 Operator::Property properties,
45 CallDescriptor::DeoptimizationSupport can_deoptimize, Zone* zone) {
46 return LinkageHelper::GetRuntimeCallDescriptor<LinkageHelperTraits>(
47 zone, function, parameter_count, properties, can_deoptimize);
51 CallDescriptor* Linkage::GetStubCallDescriptor(
52 CodeStubInterfaceDescriptor* descriptor, int stack_parameter_count,
53 CallDescriptor::DeoptimizationSupport can_deoptimize, Zone* zone) {
54 return LinkageHelper::GetStubCallDescriptor<LinkageHelperTraits>(
55 zone, descriptor, stack_parameter_count, can_deoptimize);
59 CallDescriptor* Linkage::GetSimplifiedCDescriptor(
60 Zone* zone, int num_params, MachineType return_type,
61 const MachineType* param_types) {
62 return LinkageHelper::GetSimplifiedCDescriptor<LinkageHelperTraits>(
63 zone, num_params, return_type, param_types);
67 } // namespace v8::internal::compiler