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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 #ifdef _WIN64 | |
16 const bool kWin64 = true; | |
17 #else | |
18 const bool kWin64 = false; | |
19 #endif | |
20 | |
21 struct X64LinkageHelperTraits { | 15 struct X64LinkageHelperTraits { |
22 static Register ReturnValueReg() { return rax; } | 16 static Register ReturnValueReg() { return rax; } |
23 static Register ReturnValue2Reg() { return rdx; } | 17 static Register ReturnValue2Reg() { return rdx; } |
24 static Register JSCallFunctionReg() { return rdi; } | 18 static Register JSCallFunctionReg() { return rdi; } |
25 static Register ContextReg() { return rsi; } | 19 static Register ContextReg() { return rsi; } |
26 static Register InterpreterBytecodePointerReg() { return rbx; } | 20 static Register InterpreterBytecodePointerReg() { return rbx; } |
27 static Register InterpreterDispatchTableReg() { return rdi; } | 21 static Register InterpreterDispatchTableReg() { return rdi; } |
28 static Register RuntimeCallFunctionReg() { return rbx; } | 22 static Register RuntimeCallFunctionReg() { return rbx; } |
29 static Register RuntimeCallArgCountReg() { return rax; } | 23 static Register RuntimeCallArgCountReg() { return rax; } |
30 static RegList CCalleeSaveRegisters() { | |
31 if (kWin64) { | |
32 return rbx.bit() | rdi.bit() | rsi.bit() | r12.bit() | r13.bit() | | |
33 r14.bit() | r15.bit(); | |
34 } else { | |
35 return rbx.bit() | r12.bit() | r13.bit() | r14.bit() | r15.bit(); | |
36 } | |
37 } | |
38 static RegList CCalleeSaveFPRegisters() { | |
39 if (kWin64) { | |
40 return (1 << xmm6.code()) | (1 << xmm7.code()) | (1 << xmm8.code()) | | |
41 (1 << xmm9.code()) | (1 << xmm10.code()) | (1 << xmm11.code()) | | |
42 (1 << xmm12.code()) | (1 << xmm13.code()) | (1 << xmm14.code()) | | |
43 (1 << xmm15.code()); | |
44 } else { | |
45 return 0; | |
46 } | |
47 } | |
48 static Register CRegisterParameter(int i) { | |
49 if (kWin64) { | |
50 static Register register_parameters[] = {rcx, rdx, r8, r9}; | |
51 return register_parameters[i]; | |
52 } else { | |
53 static Register register_parameters[] = {rdi, rsi, rdx, rcx, r8, r9}; | |
54 return register_parameters[i]; | |
55 } | |
56 } | |
57 static int CRegisterParametersLength() { return kWin64 ? 4 : 6; } | |
58 static int CStackBackingStoreLength() { return kWin64 ? 4 : 0; } | |
59 }; | 24 }; |
60 | 25 |
61 typedef LinkageHelper<X64LinkageHelperTraits> LH; | 26 typedef LinkageHelper<X64LinkageHelperTraits> LH; |
62 | 27 |
63 CallDescriptor* Linkage::GetJSCallDescriptor(Zone* zone, bool is_osr, | 28 CallDescriptor* Linkage::GetJSCallDescriptor(Zone* zone, bool is_osr, |
64 int parameter_count, | 29 int parameter_count, |
65 CallDescriptor::Flags flags) { | 30 CallDescriptor::Flags flags) { |
66 return LH::GetJSCallDescriptor(zone, is_osr, parameter_count, flags); | 31 return LH::GetJSCallDescriptor(zone, is_osr, parameter_count, flags); |
67 } | 32 } |
68 | 33 |
69 | 34 |
70 CallDescriptor* Linkage::GetRuntimeCallDescriptor( | 35 CallDescriptor* Linkage::GetRuntimeCallDescriptor( |
71 Zone* zone, Runtime::FunctionId function, int parameter_count, | 36 Zone* zone, Runtime::FunctionId function, int parameter_count, |
72 Operator::Properties properties) { | 37 Operator::Properties properties) { |
73 return LH::GetRuntimeCallDescriptor(zone, function, parameter_count, | 38 return LH::GetRuntimeCallDescriptor(zone, function, parameter_count, |
74 properties); | 39 properties); |
75 } | 40 } |
76 | 41 |
77 | 42 |
78 CallDescriptor* Linkage::GetStubCallDescriptor( | 43 CallDescriptor* Linkage::GetStubCallDescriptor( |
79 Isolate* isolate, Zone* zone, const CallInterfaceDescriptor& descriptor, | 44 Isolate* isolate, Zone* zone, const CallInterfaceDescriptor& descriptor, |
80 int stack_parameter_count, CallDescriptor::Flags flags, | 45 int stack_parameter_count, CallDescriptor::Flags flags, |
81 Operator::Properties properties, MachineType return_type) { | 46 Operator::Properties properties, MachineType return_type) { |
82 return LH::GetStubCallDescriptor(isolate, zone, descriptor, | 47 return LH::GetStubCallDescriptor(isolate, zone, descriptor, |
83 stack_parameter_count, flags, properties, | 48 stack_parameter_count, flags, properties, |
84 return_type); | 49 return_type); |
85 } | 50 } |
86 | 51 |
87 | 52 |
88 CallDescriptor* Linkage::GetSimplifiedCDescriptor(Zone* zone, | |
89 const MachineSignature* sig) { | |
90 return LH::GetSimplifiedCDescriptor(zone, sig); | |
91 } | |
92 | |
93 | |
94 CallDescriptor* Linkage::GetInterpreterDispatchDescriptor(Zone* zone) { | 53 CallDescriptor* Linkage::GetInterpreterDispatchDescriptor(Zone* zone) { |
95 return LH::GetInterpreterDispatchDescriptor(zone); | 54 return LH::GetInterpreterDispatchDescriptor(zone); |
96 } | 55 } |
97 | 56 |
98 } // namespace compiler | 57 } // namespace compiler |
99 } // namespace internal | 58 } // namespace internal |
100 } // namespace v8 | 59 } // namespace v8 |
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