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Issue 1582004: C++ profiles processor: wire up to VM. (Closed)
Patch Set: Created 10 years, 8 months ago
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1 // Copyright 2009 the V8 project authors. All rights reserved. 1 // Copyright 2009 the V8 project authors. All rights reserved.
2 // Redistribution and use in source and binary forms, with or without 2 // Redistribution and use in source and binary forms, with or without
3 // modification, are permitted provided that the following conditions are 3 // modification, are permitted provided that the following conditions are
4 // met: 4 // met:
5 // 5 //
6 // * Redistributions of source code must retain the above copyright 6 // * Redistributions of source code must retain the above copyright
7 // notice, this list of conditions and the following disclaimer. 7 // notice, this list of conditions and the following disclaimer.
8 // * Redistributions in binary form must reproduce the above 8 // * Redistributions in binary form must reproduce the above
9 // copyright notice, this list of conditions and the following 9 // copyright notice, this list of conditions and the following
10 // disclaimer in the documentation and/or other materials provided 10 // disclaimer in the documentation and/or other materials provided
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112 __ popfq(); 112 __ popfq();
113 __ pop(rbp); 113 __ pop(rbp);
114 __ ret(0); 114 __ ret(0);
115 #undef __ 115 #undef __
116 116
117 CodeDesc desc; 117 CodeDesc desc;
118 assm.GetCode(&desc); 118 assm.GetCode(&desc);
119 Object* code = 119 Object* code =
120 Heap::CreateCode(desc, NULL, Code::ComputeFlags(Code::STUB), NULL); 120 Heap::CreateCode(desc, NULL, Code::ComputeFlags(Code::STUB), NULL);
121 if (!code->IsCode()) return; 121 if (!code->IsCode()) return;
122 LOG(CodeCreateEvent(Logger::BUILTIN_TAG, 122 PROFILE(CodeCreateEvent(Logger::BUILTIN_TAG,
123 Code::cast(code), "CpuFeatures::Probe")); 123 Code::cast(code), "CpuFeatures::Probe"));
124 typedef uint64_t (*F0)(); 124 typedef uint64_t (*F0)();
125 F0 probe = FUNCTION_CAST<F0>(Code::cast(code)->entry()); 125 F0 probe = FUNCTION_CAST<F0>(Code::cast(code)->entry());
126 supported_ = probe(); 126 supported_ = probe();
127 found_by_runtime_probing_ = supported_; 127 found_by_runtime_probing_ = supported_;
128 found_by_runtime_probing_ &= ~kDefaultCpuFeatures; 128 found_by_runtime_probing_ &= ~kDefaultCpuFeatures;
129 uint64_t os_guarantees = OS::CpuFeaturesImpliedByPlatform(); 129 uint64_t os_guarantees = OS::CpuFeaturesImpliedByPlatform();
130 supported_ |= os_guarantees; 130 supported_ |= os_guarantees;
131 found_by_runtime_probing_ &= ~os_guarantees; 131 found_by_runtime_probing_ &= ~os_guarantees;
132 // SSE2 and CMOV must be available on an X64 CPU. 132 // SSE2 and CMOV must be available on an X64 CPU.
133 ASSERT(IsSupported(CPUID)); 133 ASSERT(IsSupported(CPUID));
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2626 written_position_ = current_position_; 2626 written_position_ = current_position_;
2627 } 2627 }
2628 } 2628 }
2629 2629
2630 2630
2631 const int RelocInfo::kApplyMask = RelocInfo::kCodeTargetMask | 2631 const int RelocInfo::kApplyMask = RelocInfo::kCodeTargetMask |
2632 1 << RelocInfo::INTERNAL_REFERENCE | 2632 1 << RelocInfo::INTERNAL_REFERENCE |
2633 1 << RelocInfo::JS_RETURN; 2633 1 << RelocInfo::JS_RETURN;
2634 2634
2635 } } // namespace v8::internal 2635 } } // namespace v8::internal
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