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1 // Copyright (c) 1994-2006 Sun Microsystems Inc. | 1 // Copyright (c) 1994-2006 Sun Microsystems Inc. |
2 // All Rights Reserved. | 2 // All Rights Reserved. |
3 // | 3 // |
4 // Redistribution and use in source and binary forms, with or without | 4 // Redistribution and use in source and binary forms, with or without |
5 // modification, are permitted provided that the following conditions are | 5 // modification, are permitted provided that the following conditions are |
6 // met: | 6 // met: |
7 // | 7 // |
8 // - Redistributions of source code must retain the above copyright notice, | 8 // - Redistributions of source code must retain the above copyright notice, |
9 // this list of conditions and the following disclaimer. | 9 // this list of conditions and the following disclaimer. |
10 // | 10 // |
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39 | 39 |
40 #include "mips/assembler-mips-inl.h" | 40 #include "mips/assembler-mips-inl.h" |
41 #include "serialize.h" | 41 #include "serialize.h" |
42 | 42 |
43 namespace v8 { | 43 namespace v8 { |
44 namespace internal { | 44 namespace internal { |
45 | 45 |
46 #ifdef DEBUG | 46 #ifdef DEBUG |
47 bool CpuFeatures::initialized_ = false; | 47 bool CpuFeatures::initialized_ = false; |
48 #endif | 48 #endif |
| 49 bool CpuFeatures::hint_creating_snapshot_ = false; |
49 unsigned CpuFeatures::supported_ = 0; | 50 unsigned CpuFeatures::supported_ = 0; |
50 unsigned CpuFeatures::found_by_runtime_probing_only_ = 0; | 51 unsigned CpuFeatures::found_by_runtime_probing_only_ = 0; |
51 unsigned CpuFeatures::cross_compile_ = 0; | 52 unsigned CpuFeatures::cross_compile_ = 0; |
52 | 53 |
53 | 54 |
54 ExternalReference ExternalReference::cpu_features() { | 55 ExternalReference ExternalReference::cpu_features() { |
55 ASSERT(CpuFeatures::initialized_); | 56 ASSERT(CpuFeatures::initialized_); |
56 return ExternalReference(&CpuFeatures::supported_); | 57 return ExternalReference(&CpuFeatures::supported_); |
57 } | 58 } |
58 | 59 |
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95 "f18", | 96 "f18", |
96 "f20", | 97 "f20", |
97 "f22", | 98 "f22", |
98 "f24", | 99 "f24", |
99 "f26" | 100 "f26" |
100 }; | 101 }; |
101 return names[index]; | 102 return names[index]; |
102 } | 103 } |
103 | 104 |
104 | 105 |
| 106 void CpuFeatures::SetHintCreatingSnapshot() { |
| 107 hint_creating_snapshot_ = true; |
| 108 } |
| 109 |
| 110 |
| 111 void CpuFeatures::ProbeWithoutIsolate() { |
| 112 Probe(hint_creating_snapshot_); |
| 113 } |
| 114 |
| 115 |
105 void CpuFeatures::Probe() { | 116 void CpuFeatures::Probe() { |
| 117 // The Serializer can only be queried after isolate initialization. |
| 118 Probe(Serializer::enabled()); |
| 119 } |
| 120 |
| 121 |
| 122 void CpuFeatures::Probe(bool serializer_enabled) { |
106 unsigned standard_features = (OS::CpuFeaturesImpliedByPlatform() | | 123 unsigned standard_features = (OS::CpuFeaturesImpliedByPlatform() | |
107 CpuFeaturesImpliedByCompiler()); | 124 CpuFeaturesImpliedByCompiler()); |
108 ASSERT(supported_ == 0 || | 125 ASSERT(supported_ == 0 || |
109 (supported_ & standard_features) == standard_features); | 126 (supported_ & standard_features) == standard_features); |
110 #ifdef DEBUG | 127 #ifdef DEBUG |
111 initialized_ = true; | 128 initialized_ = true; |
112 #endif | 129 #endif |
113 | 130 |
114 // Get the features implied by the OS and the compiler settings. This is the | 131 // Get the features implied by the OS and the compiler settings. This is the |
115 // minimal set of features which is also allowed for generated code in the | 132 // minimal set of features which is also allowed for generated code in the |
116 // snapshot. | 133 // snapshot. |
117 supported_ |= standard_features; | 134 supported_ |= standard_features; |
118 | 135 |
119 if (Serializer::enabled()) { | 136 if (serializer_enabled) { |
120 // No probing for features if we might serialize (generate snapshot). | 137 // No probing for features if we might serialize (generate snapshot). |
121 return; | 138 return; |
122 } | 139 } |
123 | 140 |
124 // If the compiler is allowed to use fpu then we can use fpu too in our | 141 // If the compiler is allowed to use fpu then we can use fpu too in our |
125 // code generation. | 142 // code generation. |
126 #if !defined(__mips__) | 143 #if !defined(__mips__) |
127 // For the simulator build, use FPU. | 144 // For the simulator build, use FPU. |
128 supported_ |= static_cast<uint64_t>(1) << FPU; | 145 supported_ |= static_cast<uint64_t>(1) << FPU; |
129 #else | 146 #else |
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2073 // Adjust code for new modes. | 2090 // Adjust code for new modes. |
2074 ASSERT(RelocInfo::IsDebugBreakSlot(rmode) | 2091 ASSERT(RelocInfo::IsDebugBreakSlot(rmode) |
2075 || RelocInfo::IsJSReturn(rmode) | 2092 || RelocInfo::IsJSReturn(rmode) |
2076 || RelocInfo::IsComment(rmode) | 2093 || RelocInfo::IsComment(rmode) |
2077 || RelocInfo::IsPosition(rmode)); | 2094 || RelocInfo::IsPosition(rmode)); |
2078 // These modes do not need an entry in the constant pool. | 2095 // These modes do not need an entry in the constant pool. |
2079 } | 2096 } |
2080 if (!RelocInfo::IsNone(rinfo.rmode())) { | 2097 if (!RelocInfo::IsNone(rinfo.rmode())) { |
2081 // Don't record external references unless the heap will be serialized. | 2098 // Don't record external references unless the heap will be serialized. |
2082 if (rmode == RelocInfo::EXTERNAL_REFERENCE) { | 2099 if (rmode == RelocInfo::EXTERNAL_REFERENCE) { |
2083 #ifdef DEBUG | |
2084 if (!Serializer::enabled()) { | |
2085 Serializer::TooLateToEnableNow(); | |
2086 } | |
2087 #endif | |
2088 if (!Serializer::enabled() && !emit_debug_code()) { | 2100 if (!Serializer::enabled() && !emit_debug_code()) { |
2089 return; | 2101 return; |
2090 } | 2102 } |
2091 } | 2103 } |
2092 ASSERT(buffer_space() >= kMaxRelocSize); // Too late to grow buffer here. | 2104 ASSERT(buffer_space() >= kMaxRelocSize); // Too late to grow buffer here. |
2093 if (rmode == RelocInfo::CODE_TARGET_WITH_ID) { | 2105 if (rmode == RelocInfo::CODE_TARGET_WITH_ID) { |
2094 RelocInfo reloc_info_with_ast_id(pc_, | 2106 RelocInfo reloc_info_with_ast_id(pc_, |
2095 rmode, | 2107 rmode, |
2096 RecordedAstId().ToInt(), | 2108 RecordedAstId().ToInt(), |
2097 NULL); | 2109 NULL); |
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2343 void Assembler::PopulateConstantPool(ConstantPoolArray* constant_pool) { | 2355 void Assembler::PopulateConstantPool(ConstantPoolArray* constant_pool) { |
2344 // No out-of-line constant pool support. | 2356 // No out-of-line constant pool support. |
2345 ASSERT(!FLAG_enable_ool_constant_pool); | 2357 ASSERT(!FLAG_enable_ool_constant_pool); |
2346 return; | 2358 return; |
2347 } | 2359 } |
2348 | 2360 |
2349 | 2361 |
2350 } } // namespace v8::internal | 2362 } } // namespace v8::internal |
2351 | 2363 |
2352 #endif // V8_TARGET_ARCH_MIPS | 2364 #endif // V8_TARGET_ARCH_MIPS |
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