From 5f1ab04193ad0130ca8204aadaceae083aca9881 Mon Sep 17 00:00:00 2001
From: Feng Qian <fqian@google.com>
Date: Wed, 17 Jun 2009 12:12:20 -0700
Subject: Get WebKit r44544.

---
 JavaScriptCore/bytecode/CodeBlock.h | 73 +++++++++++++++++--------------------
 1 file changed, 33 insertions(+), 40 deletions(-)

(limited to 'JavaScriptCore/bytecode/CodeBlock.h')

diff --git a/JavaScriptCore/bytecode/CodeBlock.h b/JavaScriptCore/bytecode/CodeBlock.h
index 9bd4090..ac29c6c 100644
--- a/JavaScriptCore/bytecode/CodeBlock.h
+++ b/JavaScriptCore/bytecode/CodeBlock.h
@@ -63,34 +63,6 @@ namespace JSC {
 #endif
     };
 
-#if ENABLE(JIT)
-    // The code, and the associated pool from which it was allocated.
-    struct JITCodeRef {
-        JITCode code;
-#ifndef NDEBUG
-        unsigned codeSize;
-#endif
-        RefPtr<ExecutablePool> executablePool;
-
-        JITCodeRef()
-            : code(0)
-#ifndef NDEBUG
-            , codeSize(0)
-#endif
-        {
-        }
-        
-        JITCodeRef(void* code, PassRefPtr<ExecutablePool> executablePool)
-            : code(code)
-#ifndef NDEBUG
-            , codeSize(0)
-#endif
-            , executablePool(executablePool)
-        {
-        }
-    };
-#endif
-
     struct ExpressionRangeInfo {
         enum {
             MaxOffset = (1 << 7) - 1, 
@@ -134,6 +106,17 @@ namespace JSC {
         bool isLinked() { return callee; }
     };
 
+    struct MethodCallLinkInfo {
+        MethodCallLinkInfo()
+            : cachedStructure(0)
+        {
+        }
+
+        MacroAssembler::CodeLocationCall callReturnLocation;
+        MacroAssembler::CodeLocationDataLabelPtr structureLabel;
+        Structure* cachedStructure;
+    };
+
     struct FunctionRegisterInfo {
         FunctionRegisterInfo(unsigned bytecodeOffset, int functionRegisterIndex)
             : bytecodeOffset(bytecodeOffset)
@@ -185,6 +168,11 @@ namespace JSC {
         return callLinkInfo->callReturnLocation.calleeReturnAddressValue();
     }
 
+    inline void* getMethodCallLinkInfoReturnLocation(MethodCallLinkInfo* methodCallLinkInfo)
+    {
+        return methodCallLinkInfo->callReturnLocation.calleeReturnAddressValue();
+    }
+
     inline unsigned getCallReturnOffset(CallReturnOffsetToBytecodeIndex* pc)
     {
         return pc->callReturnOffset;
@@ -264,9 +252,9 @@ namespace JSC {
             return index >= m_numVars && index < m_numVars + m_numConstants;
         }
 
-        ALWAYS_INLINE JSValuePtr getConstant(int index)
+        ALWAYS_INLINE JSValue getConstant(int index)
         {
-            return m_constantRegisters[index - m_numVars].getJSValue();
+            return m_constantRegisters[index - m_numVars].jsValue();
         }
 
         ALWAYS_INLINE bool isTemporaryRegisterIndex(int index)
@@ -309,10 +297,15 @@ namespace JSC {
             return *(binaryChop<CallLinkInfo, void*, getCallLinkInfoReturnLocation>(m_callLinkInfos.begin(), m_callLinkInfos.size(), returnAddress));
         }
 
+        MethodCallLinkInfo& getMethodCallLinkInfo(void* returnAddress)
+        {
+            return *(binaryChop<MethodCallLinkInfo, void*, getMethodCallLinkInfoReturnLocation>(m_methodCallLinkInfos.begin(), m_methodCallLinkInfos.size(), returnAddress));
+        }
+
         unsigned getBytecodeIndex(CallFrame* callFrame, void* nativePC)
         {
             reparseForExceptionInfoIfNecessary(callFrame);
-            return binaryChop<CallReturnOffsetToBytecodeIndex, unsigned, getCallReturnOffset>(m_exceptionInfo->m_callReturnIndexVector.begin(), m_exceptionInfo->m_callReturnIndexVector.size(), m_jitCode.code.offsetOf(nativePC))->bytecodeIndex;
+            return binaryChop<CallReturnOffsetToBytecodeIndex, unsigned, getCallReturnOffset>(m_exceptionInfo->m_callReturnIndexVector.begin(), m_exceptionInfo->m_callReturnIndexVector.size(), ownerNode()->generatedJITCode().offsetOf(nativePC))->bytecodeIndex;
         }
         
         bool functionRegisterForBytecodeOffset(unsigned bytecodeOffset, int& functionRegisterIndex);
@@ -327,9 +320,8 @@ namespace JSC {
 #endif
 
 #if ENABLE(JIT)
-        void setJITCode(JITCodeRef& jitCode);
-        JITCode jitCode() { return m_jitCode.code; }
-        ExecutablePool* executablePool() { return m_jitCode.executablePool.get(); }
+        void setJITCode(JITCode);
+        ExecutablePool* executablePool() { return ownerNode()->getExecutablePool(); }
 #endif
 
         ScopeNode* ownerNode() const { return m_ownerNode; }
@@ -373,6 +365,9 @@ namespace JSC {
         void addCallLinkInfo() { m_callLinkInfos.append(CallLinkInfo()); }
         CallLinkInfo& callLinkInfo(int index) { return m_callLinkInfos[index]; }
 
+        void addMethodCallLinkInfos(unsigned n) { m_methodCallLinkInfos.grow(n); }
+        MethodCallLinkInfo& methodCallLinkInfo(int index) { return m_methodCallLinkInfos[index]; }
+
         void addFunctionRegisterInfo(unsigned bytecodeOffset, int functionIndex) { createRareDataIfNecessary(); m_rareData->m_functionRegisterInfos.append(FunctionRegisterInfo(bytecodeOffset, functionIndex)); }
 #endif
 
@@ -414,8 +409,8 @@ namespace JSC {
 
         bool hasFunctions() const { return m_functionExpressions.size() || (m_rareData && m_rareData->m_functions.size()); }
 
-        unsigned addUnexpectedConstant(JSValuePtr v) { createRareDataIfNecessary(); unsigned size = m_rareData->m_unexpectedConstants.size(); m_rareData->m_unexpectedConstants.append(v); return size; }
-        JSValuePtr unexpectedConstant(int index) const { ASSERT(m_rareData); return m_rareData->m_unexpectedConstants[index]; }
+        unsigned addUnexpectedConstant(JSValue v) { createRareDataIfNecessary(); unsigned size = m_rareData->m_unexpectedConstants.size(); m_rareData->m_unexpectedConstants.append(v); return size; }
+        JSValue unexpectedConstant(int index) const { ASSERT(m_rareData); return m_rareData->m_unexpectedConstants[index]; }
 
         unsigned addRegExp(RegExp* r) { createRareDataIfNecessary(); unsigned size = m_rareData->m_regexps.size(); m_rareData->m_regexps.append(r); return size; }
         RegExp* regexp(int index) const { ASSERT(m_rareData); return m_rareData->m_regexps[index].get(); }
@@ -473,9 +468,6 @@ namespace JSC {
 #ifndef NDEBUG
         unsigned m_instructionCount;
 #endif
-#if ENABLE(JIT)
-        JITCodeRef m_jitCode;
-#endif
 
         int m_thisRegister;
 
@@ -496,6 +488,7 @@ namespace JSC {
         Vector<StructureStubInfo> m_structureStubInfos;
         Vector<GlobalResolveInfo> m_globalResolveInfos;
         Vector<CallLinkInfo> m_callLinkInfos;
+        Vector<MethodCallLinkInfo> m_methodCallLinkInfos;
         Vector<CallLinkInfo*> m_linkedCallerList;
 #endif
 
@@ -524,7 +517,7 @@ namespace JSC {
 
             // Rare Constants
             Vector<RefPtr<FuncDeclNode> > m_functions;
-            Vector<JSValuePtr> m_unexpectedConstants;
+            Vector<JSValue> m_unexpectedConstants;
             Vector<RefPtr<RegExp> > m_regexps;
 
             // Jump Tables
-- 
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