webkitgtk-2.16.5HEADwebkitgtk-2.16.5master

1 files changed, 33 insertions, 22 deletions

diff --git a/Source/JavaScriptCore/ftl/FTLState.h b/Source/JavaScriptCore/ftl/FTLState.h
index c82db6728..bc434304d 100644
--- a/Source/JavaScriptCore/ftl/FTLState.h
+++ b/Source/JavaScriptCore/ftl/FTLState.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2013 Apple Inc. All rights reserved.
+ * Copyright (C) 2013-2016 Apple Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
@@ -23,23 +23,40 @@
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 
  */
 
-#ifndef FTLState_h
-#define FTLState_h
-
-#include <wtf/Platform.h>
+#pragma once
 
 #if ENABLE(FTL_JIT)
 
+#include "B3Procedure.h"
+#include "DFGCommon.h"
 #include "DFGGraph.h"
-#include "FTLAbbreviations.h"
+#include "FTLAbbreviatedTypes.h"
 #include "FTLGeneratedFunction.h"
-#include "FTLInlineCacheDescriptor.h"
 #include "FTLJITCode.h"
 #include "FTLJITFinalizer.h"
-#include "FTLStackMaps.h"
+#include <wtf/Box.h>
 #include <wtf/Noncopyable.h>
 
-namespace JSC { namespace FTL {
+namespace JSC {
+
+namespace B3 {
+class PatchpointValue;
+class StackSlot;
+} // namespace B3
+
+namespace FTL {
+
+class PatchpointExceptionHandle;
+
+inline bool verboseCompilationEnabled()
+{
+    return DFG::verboseCompilationEnabled(DFG::FTLMode);
+}
+
+inline bool shouldDumpDisassembly()
+{
+    return DFG::shouldDumpDisassembly(DFG::FTLMode);
+}
 
 class State {
     WTF_MAKE_NONCOPYABLE(State);
@@ -51,24 +68,18 @@ public:
     // None of these things is owned by State. It is the responsibility of
     // FTL phases to properly manage the lifecycle of the module and function.
     DFG::Graph& graph;
-    LContext context;
-    LModule module;
-    LValue function;
+    std::unique_ptr<B3::Procedure> proc;
+    bool allocationFailed { false }; // Throw out the compilation once B3 returns.
     RefPtr<JITCode> jitCode;
     GeneratedFunction generatedFunction;
     JITFinalizer* finalizer;
-    SegmentedVector<GetByIdDescriptor> getByIds;
-    SegmentedVector<PutByIdDescriptor> putByIds;
-    Vector<CString> codeSectionNames;
-    Vector<CString> dataSectionNames;
-    RefCountedArray<LSectionWord> stackmapsSection;
-    
-    void dumpState(const char* when);
+    // Top-level exception handler. Jump here if you know that you have to genericUnwind() and there
+    // are no applicable catch blocks anywhere in the Graph.
+    RefPtr<PatchpointExceptionHandle> defaultExceptionHandle;
+    Box<CCallHelpers::Label> exceptionHandler { Box<CCallHelpers::Label>::create() };
+    B3::StackSlot* capturedValue { nullptr };
 };
 
 } } // namespace JSC::FTL
 
 #endif // ENABLE(FTL_JIT)
-
-#endif // FTLState_h
-