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
13namespace v8 {
14namespace internal {
15namespace compiler {
16
17struct 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
31typedef LinkageHelper<IA32LinkageHelperTraits> LH;
32
33CallDescriptor* Linkage::GetJSCallDescriptor(int parameter_count, Zone* zone) {
34  return LH::GetJSCallDescriptor(zone, parameter_count);
35}
36
37
38CallDescriptor* 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
46CallDescriptor* 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
54CallDescriptor* 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