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// Copyright 2014 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "src/assembler.h"
#include "src/code-stubs.h"
#include "src/compiler/linkage.h"
#include "src/compiler/linkage-impl.h"
#include "src/zone.h"
namespace v8 {
namespace internal {
namespace compiler {
struct Arm64LinkageHelperTraits {
static Register ReturnValueReg() { return x0; }
static Register ReturnValue2Reg() { return x1; }
static Register JSCallFunctionReg() { return x1; }
static Register ContextReg() { return cp; }
static Register RuntimeCallFunctionReg() { return x1; }
static Register RuntimeCallArgCountReg() { return x0; }
static RegList CCalleeSaveRegisters() {
return (1 << x19.code()) | (1 << x20.code()) | (1 << x21.code()) |
(1 << x22.code()) | (1 << x23.code()) | (1 << x24.code()) |
(1 << x25.code()) | (1 << x26.code()) | (1 << x27.code()) |
(1 << x28.code()) | (1 << x29.code()) | (1 << x30.code());
}
static RegList CCalleeSaveFPRegisters() {
return (1 << d8.code()) | (1 << d9.code()) | (1 << d10.code()) |
(1 << d11.code()) | (1 << d12.code()) | (1 << d13.code()) |
(1 << d14.code()) | (1 << d15.code());
}
static Register CRegisterParameter(int i) {
static Register register_parameters[] = {x0, x1, x2, x3, x4, x5, x6, x7};
return register_parameters[i];
}
static int CRegisterParametersLength() { return 8; }
static int CStackBackingStoreLength() { return 0; }
};
typedef LinkageHelper<Arm64LinkageHelperTraits> LH;
CallDescriptor* Linkage::GetJSCallDescriptor(Zone* zone, bool is_osr,
int parameter_count,
CallDescriptor::Flags flags) {
return LH::GetJSCallDescriptor(zone, is_osr, parameter_count, flags);
}
CallDescriptor* Linkage::GetRuntimeCallDescriptor(
Zone* zone, Runtime::FunctionId function, int parameter_count,
Operator::Properties properties) {
return LH::GetRuntimeCallDescriptor(zone, function, parameter_count,
properties);
}
CallDescriptor* Linkage::GetStubCallDescriptor(
Isolate* isolate, Zone* zone, const CallInterfaceDescriptor& descriptor,
int stack_parameter_count, CallDescriptor::Flags flags,
Operator::Properties properties, MachineType return_type) {
return LH::GetStubCallDescriptor(isolate, zone, descriptor,
stack_parameter_count, flags, properties,
return_type);
}
CallDescriptor* Linkage::GetSimplifiedCDescriptor(Zone* zone,
const MachineSignature* sig) {
return LH::GetSimplifiedCDescriptor(zone, sig);
}
} // namespace compiler
} // namespace internal
} // namespace v8
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