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Issue 1266603002: [turbofan] Factor C call descriptor building into compiler/c-linkage.cc. (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: Created 5 years, 4 months ago
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1 // Copyright 2014 the V8 project authors. All rights reserved. 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 2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file. 3 // found in the LICENSE file.
4 4
5 #include "src/assembler.h" 5 #include "src/assembler.h"
6 #include "src/code-stubs.h" 6 #include "src/code-stubs.h"
7 #include "src/compiler/linkage.h" 7 #include "src/compiler/linkage.h"
8 #include "src/compiler/linkage-impl.h" 8 #include "src/compiler/linkage-impl.h"
9 #include "src/zone.h" 9 #include "src/zone.h"
10 10
11 namespace v8 { 11 namespace v8 {
12 namespace internal { 12 namespace internal {
13 namespace compiler { 13 namespace compiler {
14 14
15 struct MipsLinkageHelperTraits { 15 struct MipsLinkageHelperTraits {
16 static Register ReturnValueReg() { return v0; } 16 static Register ReturnValueReg() { return v0; }
17 static Register ReturnValue2Reg() { return v1; } 17 static Register ReturnValue2Reg() { return v1; }
18 static Register JSCallFunctionReg() { return a1; } 18 static Register JSCallFunctionReg() { return a1; }
19 static Register ContextReg() { return cp; } 19 static Register ContextReg() { return cp; }
20 static Register InterpreterBytecodePointerReg() { return s0; } 20 static Register InterpreterBytecodePointerReg() { return s0; }
21 static Register InterpreterDispatchTableReg() { return s1; } 21 static Register InterpreterDispatchTableReg() { return s1; }
22 static Register RuntimeCallFunctionReg() { return a1; } 22 static Register RuntimeCallFunctionReg() { return a1; }
23 static Register RuntimeCallArgCountReg() { return a0; } 23 static Register RuntimeCallArgCountReg() { return a0; }
24 static RegList CCalleeSaveRegisters() {
25 return s0.bit() | s1.bit() | s2.bit() | s3.bit() | s4.bit() | s5.bit() |
26 s6.bit() | s7.bit();
27 }
28 static RegList CCalleeSaveFPRegisters() {
29 return f20.bit() | f22.bit() | f24.bit() | f26.bit() | f28.bit() |
30 f30.bit();
31 }
32 static Register CRegisterParameter(int i) {
33 static Register register_parameters[] = {a0, a1, a2, a3};
34 return register_parameters[i];
35 }
36 static int CRegisterParametersLength() { return 4; }
37 static int CStackBackingStoreLength() { return 0; }
38 }; 24 };
39 25
40 26
41 typedef LinkageHelper<MipsLinkageHelperTraits> LH; 27 typedef LinkageHelper<MipsLinkageHelperTraits> LH;
42 28
43 CallDescriptor* Linkage::GetJSCallDescriptor(Zone* zone, bool is_osr, 29 CallDescriptor* Linkage::GetJSCallDescriptor(Zone* zone, bool is_osr,
44 int parameter_count, 30 int parameter_count,
45 CallDescriptor::Flags flags) { 31 CallDescriptor::Flags flags) {
46 return LH::GetJSCallDescriptor(zone, is_osr, parameter_count, flags); 32 return LH::GetJSCallDescriptor(zone, is_osr, parameter_count, flags);
47 } 33 }
(...skipping 10 matching lines...) Expand all
58 CallDescriptor* Linkage::GetStubCallDescriptor( 44 CallDescriptor* Linkage::GetStubCallDescriptor(
59 Isolate* isolate, Zone* zone, const CallInterfaceDescriptor& descriptor, 45 Isolate* isolate, Zone* zone, const CallInterfaceDescriptor& descriptor,
60 int stack_parameter_count, CallDescriptor::Flags flags, 46 int stack_parameter_count, CallDescriptor::Flags flags,
61 Operator::Properties properties, MachineType return_type) { 47 Operator::Properties properties, MachineType return_type) {
62 return LH::GetStubCallDescriptor(isolate, zone, descriptor, 48 return LH::GetStubCallDescriptor(isolate, zone, descriptor,
63 stack_parameter_count, flags, properties, 49 stack_parameter_count, flags, properties,
64 return_type); 50 return_type);
65 } 51 }
66 52
67 53
68 CallDescriptor* Linkage::GetSimplifiedCDescriptor(Zone* zone,
69 const MachineSignature* sig) {
70 return LH::GetSimplifiedCDescriptor(zone, sig);
71 }
72
73
74 CallDescriptor* Linkage::GetInterpreterDispatchDescriptor(Zone* zone) { 54 CallDescriptor* Linkage::GetInterpreterDispatchDescriptor(Zone* zone) {
75 return LH::GetInterpreterDispatchDescriptor(zone); 55 return LH::GetInterpreterDispatchDescriptor(zone);
76 } 56 }
77 57
78 } // namespace compiler 58 } // namespace compiler
79 } // namespace internal 59 } // namespace internal
80 } // namespace v8 60 } // namespace v8
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