diff options
Diffstat (limited to 'src/3rdparty/webkit/JavaScriptCore/jit/JITPropertyAccess.cpp')
-rw-r--r-- | src/3rdparty/webkit/JavaScriptCore/jit/JITPropertyAccess.cpp | 37 |
1 files changed, 22 insertions, 15 deletions
diff --git a/src/3rdparty/webkit/JavaScriptCore/jit/JITPropertyAccess.cpp b/src/3rdparty/webkit/JavaScriptCore/jit/JITPropertyAccess.cpp index ed8f48f..c1e5c29 100644 --- a/src/3rdparty/webkit/JavaScriptCore/jit/JITPropertyAccess.cpp +++ b/src/3rdparty/webkit/JavaScriptCore/jit/JITPropertyAccess.cpp @@ -34,6 +34,8 @@ #include "JSArray.h" #include "JSFunction.h" #include "Interpreter.h" +#include "LinkBuffer.h" +#include "RepatchBuffer.h" #include "ResultType.h" #include "SamplingTool.h" @@ -461,7 +463,7 @@ void JIT::privateCompilePutByIdTransition(StructureStubInfo* stubInfo, Structure if (willNeedStorageRealloc) { // This trampoline was called to like a JIT stub; before we can can call again we need to // remove the return address from the stack, to prevent the stack from becoming misaligned. - preverveReturnAddressAfterCall(regT3); + preserveReturnAddressAfterCall(regT3); JITStubCall stubCall(this, JITStubs::cti_op_put_by_id_transition_realloc); stubCall.addArgument(regT0); @@ -501,13 +503,13 @@ void JIT::privateCompilePutByIdTransition(StructureStubInfo* stubInfo, Structure CodeLocationLabel entryLabel = patchBuffer.finalizeCodeAddendum(); stubInfo->stubRoutine = entryLabel; - RepatchBuffer repatchBuffer; + RepatchBuffer repatchBuffer(m_codeBlock); repatchBuffer.relinkCallerToTrampoline(returnAddress, entryLabel); } -void JIT::patchGetByIdSelf(StructureStubInfo* stubInfo, Structure* structure, size_t cachedOffset, ReturnAddressPtr returnAddress) +void JIT::patchGetByIdSelf(CodeBlock* codeBlock, StructureStubInfo* stubInfo, Structure* structure, size_t cachedOffset, ReturnAddressPtr returnAddress) { - RepatchBuffer repatchBuffer; + RepatchBuffer repatchBuffer(codeBlock); // We don't want to patch more than once - in future go to cti_op_get_by_id_generic. // Should probably go to JITStubs::cti_op_get_by_id_fail, but that doesn't do anything interesting right now. @@ -525,23 +527,28 @@ void JIT::patchGetByIdSelf(StructureStubInfo* stubInfo, Structure* structure, si repatchBuffer.repatch(stubInfo->hotPathBegin.dataLabel32AtOffset(patchOffsetGetByIdPropertyMapOffset), offset); } -void JIT::patchMethodCallProto(MethodCallLinkInfo& methodCallLinkInfo, JSFunction* callee, Structure* structure, JSObject* proto) +void JIT::patchMethodCallProto(CodeBlock* codeBlock, MethodCallLinkInfo& methodCallLinkInfo, JSFunction* callee, Structure* structure, JSObject* proto) { - RepatchBuffer repatchBuffer; + RepatchBuffer repatchBuffer(codeBlock); ASSERT(!methodCallLinkInfo.cachedStructure); methodCallLinkInfo.cachedStructure = structure; structure->ref(); + Structure* prototypeStructure = proto->structure(); + ASSERT(!methodCallLinkInfo.cachedPrototypeStructure); + methodCallLinkInfo.cachedPrototypeStructure = prototypeStructure; + prototypeStructure->ref(); + repatchBuffer.repatch(methodCallLinkInfo.structureLabel, structure); repatchBuffer.repatch(methodCallLinkInfo.structureLabel.dataLabelPtrAtOffset(patchOffsetMethodCheckProtoObj), proto); - repatchBuffer.repatch(methodCallLinkInfo.structureLabel.dataLabelPtrAtOffset(patchOffsetMethodCheckProtoStruct), proto->structure()); + repatchBuffer.repatch(methodCallLinkInfo.structureLabel.dataLabelPtrAtOffset(patchOffsetMethodCheckProtoStruct), prototypeStructure); repatchBuffer.repatch(methodCallLinkInfo.structureLabel.dataLabelPtrAtOffset(patchOffsetMethodCheckPutFunction), callee); } -void JIT::patchPutByIdReplace(StructureStubInfo* stubInfo, Structure* structure, size_t cachedOffset, ReturnAddressPtr returnAddress) +void JIT::patchPutByIdReplace(CodeBlock* codeBlock, StructureStubInfo* stubInfo, Structure* structure, size_t cachedOffset, ReturnAddressPtr returnAddress) { - RepatchBuffer repatchBuffer; + RepatchBuffer repatchBuffer(codeBlock); // We don't want to patch more than once - in future go to cti_op_put_by_id_generic. // Should probably go to JITStubs::cti_op_put_by_id_fail, but that doesn't do anything interesting right now. @@ -591,7 +598,7 @@ void JIT::privateCompilePatchGetArrayLength(ReturnAddressPtr returnAddress) // Finally patch the jump to slow case back in the hot path to jump here instead. CodeLocationJump jumpLocation = stubInfo->hotPathBegin.jumpAtOffset(patchOffsetGetByIdBranchToSlowCase); - RepatchBuffer repatchBuffer; + RepatchBuffer repatchBuffer(m_codeBlock); repatchBuffer.relink(jumpLocation, entryLabel); // We don't want to patch more than once - in future go to cti_op_put_by_id_generic. @@ -637,7 +644,7 @@ void JIT::privateCompileGetByIdProto(StructureStubInfo* stubInfo, Structure* str // Finally patch the jump to slow case back in the hot path to jump here instead. CodeLocationJump jumpLocation = stubInfo->hotPathBegin.jumpAtOffset(patchOffsetGetByIdBranchToSlowCase); - RepatchBuffer repatchBuffer; + RepatchBuffer repatchBuffer(m_codeBlock); repatchBuffer.relink(jumpLocation, entryLabel); // We don't want to patch more than once - in future go to cti_op_put_by_id_generic. @@ -669,7 +676,7 @@ void JIT::privateCompileGetByIdSelfList(StructureStubInfo* stubInfo, Polymorphic // Finally patch the jump to slow case back in the hot path to jump here instead. CodeLocationJump jumpLocation = stubInfo->hotPathBegin.jumpAtOffset(patchOffsetGetByIdBranchToSlowCase); - RepatchBuffer repatchBuffer; + RepatchBuffer repatchBuffer(m_codeBlock); repatchBuffer.relink(jumpLocation, entryLabel); } @@ -714,7 +721,7 @@ void JIT::privateCompileGetByIdProtoList(StructureStubInfo* stubInfo, Polymorphi // Finally patch the jump to slow case back in the hot path to jump here instead. CodeLocationJump jumpLocation = stubInfo->hotPathBegin.jumpAtOffset(patchOffsetGetByIdBranchToSlowCase); - RepatchBuffer repatchBuffer; + RepatchBuffer repatchBuffer(m_codeBlock); repatchBuffer.relink(jumpLocation, entryLabel); } @@ -768,7 +775,7 @@ void JIT::privateCompileGetByIdChainList(StructureStubInfo* stubInfo, Polymorphi // Finally patch the jump to slow case back in the hot path to jump here instead. CodeLocationJump jumpLocation = stubInfo->hotPathBegin.jumpAtOffset(patchOffsetGetByIdBranchToSlowCase); - RepatchBuffer repatchBuffer; + RepatchBuffer repatchBuffer(m_codeBlock); repatchBuffer.relink(jumpLocation, entryLabel); } @@ -816,7 +823,7 @@ void JIT::privateCompileGetByIdChain(StructureStubInfo* stubInfo, Structure* str // Finally patch the jump to slow case back in the hot path to jump here instead. CodeLocationJump jumpLocation = stubInfo->hotPathBegin.jumpAtOffset(patchOffsetGetByIdBranchToSlowCase); - RepatchBuffer repatchBuffer; + RepatchBuffer repatchBuffer(m_codeBlock); repatchBuffer.relink(jumpLocation, entryLabel); // We don't want to patch more than once - in future go to cti_op_put_by_id_generic. |