]> git.saurik.com Git - apple/javascriptcore.git/blobdiff - dfg/DFGOperations.h
JavaScriptCore-1218.35.tar.gz
[apple/javascriptcore.git] / dfg / DFGOperations.h
index d4c7c0feb96dba155a52d208b1c5df71d082f562..b44693dc23b8450986e0fe49f0169ab8be7a6d7b 100644 (file)
 
 #if ENABLE(DFG_JIT)
 
-#include <dfg/DFGJITCompiler.h>
+#include "DFGJITCompiler.h"
+#include "PutKind.h"
 
 namespace JSC {
 
-class Identifier;
-
 namespace DFG {
 
+extern "C" {
+
+#if CALLING_CONVENTION_IS_STDCALL
+#define DFG_OPERATION CDECL
+#else
+#define DFG_OPERATION
+#endif
+
 // These typedefs provide typechecking when generating calls out to helper routines;
 // this helps prevent calling a helper routine with the wrong arguments!
-typedef EncodedJSValue (*J_DFGOperation_EJJ)(ExecState*, EncodedJSValue, EncodedJSValue);
-typedef EncodedJSValue (*J_DFGOperation_EJ)(ExecState*, EncodedJSValue);
-typedef EncodedJSValue (*J_DFGOperation_EJP)(ExecState*, EncodedJSValue, void*);
-typedef EncodedJSValue (*J_DFGOperation_EJI)(ExecState*, EncodedJSValue, Identifier*);
-typedef bool (*Z_DFGOperation_EJ)(ExecState*, EncodedJSValue);
-typedef bool (*Z_DFGOperation_EJJ)(ExecState*, EncodedJSValue, EncodedJSValue);
-typedef void (*V_DFGOperation_EJJJ)(ExecState*, EncodedJSValue, EncodedJSValue, EncodedJSValue);
-typedef void (*V_DFGOperation_EJJP)(ExecState*, EncodedJSValue, EncodedJSValue, void*);
-typedef void (*V_DFGOperation_EJJI)(ExecState*, EncodedJSValue, EncodedJSValue, Identifier*);
-typedef double (*D_DFGOperation_DD)(double, double);
+/*
+    Key:
+    V: void
+    J: JSValue
+    P: pointer (void*)
+    C: JSCell*
+    A: JSArray*
+    S: size_t
+    Z: int32_t
+    D: double
+    I: Identifier*
+    G: GlobalResolveInfo*
+*/
+typedef EncodedJSValue DFG_OPERATION (*J_DFGOperation_E)(ExecState*);
+typedef EncodedJSValue DFG_OPERATION (*J_DFGOperation_EA)(ExecState*, JSArray*);
+typedef EncodedJSValue DFG_OPERATION (*J_DFGOperation_EAZ)(ExecState*, JSArray*, int32_t);
+typedef EncodedJSValue DFG_OPERATION (*J_DFGOperation_EC)(ExecState*, JSCell*);
+typedef EncodedJSValue DFG_OPERATION (*J_DFGOperation_ECC)(ExecState*, JSCell*, JSCell*);
+typedef EncodedJSValue DFG_OPERATION (*J_DFGOperation_ECI)(ExecState*, JSCell*, Identifier*);
+typedef EncodedJSValue DFG_OPERATION (*J_DFGOperation_ECJ)(ExecState*, JSCell*, EncodedJSValue);
+typedef EncodedJSValue DFG_OPERATION (*J_DFGOperation_EDA)(ExecState*, double, JSArray*);
+typedef EncodedJSValue DFG_OPERATION (*J_DFGOperation_EGriJsgI)(ExecState*, ResolveOperation*, JSGlobalObject*, Identifier*);
+typedef EncodedJSValue DFG_OPERATION (*J_DFGOperation_EI)(ExecState*, Identifier*);
+typedef EncodedJSValue DFG_OPERATION (*J_DFGOperation_EIRo)(ExecState*, Identifier*, ResolveOperations*);
+typedef EncodedJSValue DFG_OPERATION (*J_DFGOperation_EIRoPtbo)(ExecState*, Identifier*, ResolveOperations*, PutToBaseOperation*);
+typedef EncodedJSValue DFG_OPERATION (*J_DFGOperation_EJ)(ExecState*, EncodedJSValue);
+typedef EncodedJSValue DFG_OPERATION (*J_DFGOperation_EJA)(ExecState*, EncodedJSValue, JSArray*);
+typedef EncodedJSValue DFG_OPERATION (*J_DFGOperation_EJI)(ExecState*, EncodedJSValue, Identifier*);
+typedef EncodedJSValue DFG_OPERATION (*J_DFGOperation_EJJ)(ExecState*, EncodedJSValue, EncodedJSValue);
+typedef EncodedJSValue DFG_OPERATION (*J_DFGOperation_EJP)(ExecState*, EncodedJSValue, void*);
+typedef EncodedJSValue DFG_OPERATION (*J_DFGOperation_EP)(ExecState*, void*);
+typedef EncodedJSValue DFG_OPERATION (*J_DFGOperation_EPP)(ExecState*, void*, void*);
+typedef EncodedJSValue DFG_OPERATION (*J_DFGOperation_EPS)(ExecState*, void*, size_t);
+typedef EncodedJSValue DFG_OPERATION (*J_DFGOperation_ESS)(ExecState*, size_t, size_t);
+typedef EncodedJSValue DFG_OPERATION (*J_DFGOperation_EZ)(ExecState*, int32_t);
+typedef EncodedJSValue DFG_OPERATION (*J_DFGOperation_EZIcfZ)(ExecState*, int32_t, InlineCallFrame*, int32_t);
+typedef EncodedJSValue DFG_OPERATION (*J_DFGOperation_EZZ)(ExecState*, int32_t, int32_t);
+typedef JSCell* DFG_OPERATION (*C_DFGOperation_E)(ExecState*);
+typedef JSCell* DFG_OPERATION (*C_DFGOperation_EZ)(ExecState*, int32_t);
+typedef JSCell* DFG_OPERATION (*C_DFGOperation_EC)(ExecState*, JSCell*);
+typedef JSCell* DFG_OPERATION (*C_DFGOperation_ECC)(ExecState*, JSCell*, JSCell*);
+typedef JSCell* DFG_OPERATION (*C_DFGOperation_EIcf)(ExecState*, InlineCallFrame*);
+typedef JSCell* DFG_OPERATION (*C_DFGOperation_EJ)(ExecState*, EncodedJSValue);
+typedef JSCell* DFG_OPERATION (*C_DFGOperation_EJssSt)(ExecState*, JSString*, Structure*);
+typedef JSCell* DFG_OPERATION (*C_DFGOperation_EJssJss)(ExecState*, JSString*, JSString*);
+typedef JSCell* DFG_OPERATION (*C_DFGOperation_EJssJssJss)(ExecState*, JSString*, JSString*, JSString*);
+typedef JSCell* DFG_OPERATION (*C_DFGOperation_EOZ)(ExecState*, JSObject*, int32_t);
+typedef JSCell* DFG_OPERATION (*C_DFGOperation_ESt)(ExecState*, Structure*);
+typedef JSCell* DFG_OPERATION (*C_DFGOperation_EZ)(ExecState*, int32_t);
+typedef double DFG_OPERATION (*D_DFGOperation_DD)(double, double);
+typedef double DFG_OPERATION (*D_DFGOperation_ZZ)(int32_t, int32_t);
+typedef double DFG_OPERATION (*D_DFGOperation_EJ)(ExecState*, EncodedJSValue);
+typedef int32_t DFG_OPERATION (*Z_DFGOperation_D)(double);
+typedef size_t DFG_OPERATION (*S_DFGOperation_ECC)(ExecState*, JSCell*, JSCell*);
+typedef size_t DFG_OPERATION (*S_DFGOperation_EJ)(ExecState*, EncodedJSValue);
+typedef size_t DFG_OPERATION (*S_DFGOperation_EJJ)(ExecState*, EncodedJSValue, EncodedJSValue);
+typedef size_t DFG_OPERATION (*S_DFGOperation_J)(EncodedJSValue);
+typedef void DFG_OPERATION (*V_DFGOperation_EOZD)(ExecState*, JSObject*, int32_t, double);
+typedef void DFG_OPERATION (*V_DFGOperation_EOZJ)(ExecState*, JSObject*, int32_t, EncodedJSValue);
+typedef void DFG_OPERATION (*V_DFGOperation_EC)(ExecState*, JSCell*);
+typedef void DFG_OPERATION (*V_DFGOperation_ECIcf)(ExecState*, JSCell*, InlineCallFrame*);
+typedef void DFG_OPERATION (*V_DFGOperation_ECCIcf)(ExecState*, JSCell*, JSCell*, InlineCallFrame*);
+typedef void DFG_OPERATION (*V_DFGOperation_ECJJ)(ExecState*, JSCell*, EncodedJSValue, EncodedJSValue);
+typedef void DFG_OPERATION (*V_DFGOperation_ECZ)(ExecState*, JSCell*, int32_t);
+typedef void DFG_OPERATION (*V_DFGOperation_ECC)(ExecState*, JSCell*, JSCell*);
+typedef void DFG_OPERATION (*V_DFGOperation_EJCI)(ExecState*, EncodedJSValue, JSCell*, Identifier*);
+typedef void DFG_OPERATION (*V_DFGOperation_EJJJ)(ExecState*, EncodedJSValue, EncodedJSValue, EncodedJSValue);
+typedef void DFG_OPERATION (*V_DFGOperation_EJPP)(ExecState*, EncodedJSValue, EncodedJSValue, void*);
+typedef void DFG_OPERATION (*V_DFGOperation_EPZJ)(ExecState*, void*, int32_t, EncodedJSValue);
+typedef void DFG_OPERATION (*V_DFGOperation_W)(WatchpointSet*);
+typedef char* DFG_OPERATION (*P_DFGOperation_E)(ExecState*);
+typedef char* DFG_OPERATION (*P_DFGOperation_EC)(ExecState*, JSCell*);
+typedef char* DFG_OPERATION (*P_DFGOperation_EO)(ExecState*, JSObject*);
+typedef char* DFG_OPERATION (*P_DFGOperation_EOS)(ExecState*, JSObject*, size_t);
+typedef char* DFG_OPERATION (*P_DFGOperation_EOZ)(ExecState*, JSObject*, int32_t);
+typedef char* DFG_OPERATION (*P_DFGOperation_EPS)(ExecState*, void*, size_t);
+typedef char* DFG_OPERATION (*P_DFGOperation_ES)(ExecState*, size_t);
+typedef char* DFG_OPERATION (*P_DFGOperation_ESt)(ExecState*, Structure*);
+typedef char* DFG_OPERATION (*P_DFGOperation_EStPS)(ExecState*, Structure*, void*, size_t);
+typedef char* DFG_OPERATION (*P_DFGOperation_EStSS)(ExecState*, Structure*, size_t, size_t);
+typedef char* DFG_OPERATION (*P_DFGOperation_EStZ)(ExecState*, Structure*, int32_t);
+typedef StringImpl* DFG_OPERATION (*Str_DFGOperation_EJss)(ExecState*, JSString*);
+JSCell* DFG_OPERATION operationStringFromCharCode(ExecState*, int32_t)  WTF_INTERNAL; 
 
 // These routines are provide callbacks out to C++ implementations of operations too complex to JIT.
-EncodedJSValue operationConvertThis(ExecState*, EncodedJSValue encodedOp1);
-EncodedJSValue operationValueAdd(ExecState*, EncodedJSValue encodedOp1, EncodedJSValue encodedOp2);
-EncodedJSValue operationGetByVal(ExecState*, EncodedJSValue encodedBase, EncodedJSValue encodedProperty);
-EncodedJSValue operationGetById(ExecState*, EncodedJSValue encodedBase, Identifier*);
-void operationPutByValStrict(ExecState*, EncodedJSValue encodedBase, EncodedJSValue encodedProperty, EncodedJSValue encodedValue);
-void operationPutByValNonStrict(ExecState*, EncodedJSValue encodedBase, EncodedJSValue encodedProperty, EncodedJSValue encodedValue);
-void operationPutByIdStrict(ExecState*, EncodedJSValue encodedValue, EncodedJSValue encodedBase, Identifier*);
-void operationPutByIdNonStrict(ExecState*, EncodedJSValue encodedValue, EncodedJSValue encodedBase, Identifier*);
-void operationPutByIdDirectStrict(ExecState*, EncodedJSValue encodedValue, EncodedJSValue encodedBase, Identifier*);
-void operationPutByIdDirectNonStrict(ExecState*, EncodedJSValue encodedValue, EncodedJSValue encodedBase, Identifier*);
-bool operationCompareLess(ExecState*, EncodedJSValue encodedOp1, EncodedJSValue encodedOp2);
-bool operationCompareLessEq(ExecState*, EncodedJSValue encodedOp1, EncodedJSValue encodedOp2);
-bool operationCompareEq(ExecState*, EncodedJSValue encodedOp1, EncodedJSValue encodedOp2);
-bool operationCompareStrictEq(ExecState*, EncodedJSValue encodedOp1, EncodedJSValue encodedOp2);
+JSCell* DFG_OPERATION operationNewObject(ExecState*, Structure*) WTF_INTERNAL;
+JSCell* DFG_OPERATION operationCreateThis(ExecState*, JSObject* constructor, int32_t inlineCapacity) WTF_INTERNAL;
+EncodedJSValue DFG_OPERATION operationConvertThis(ExecState*, EncodedJSValue encodedOp1) WTF_INTERNAL;
+EncodedJSValue DFG_OPERATION operationValueAdd(ExecState*, EncodedJSValue encodedOp1, EncodedJSValue encodedOp2) WTF_INTERNAL;
+EncodedJSValue DFG_OPERATION operationValueAddNotNumber(ExecState*, EncodedJSValue encodedOp1, EncodedJSValue encodedOp2) WTF_INTERNAL;
+EncodedJSValue DFG_OPERATION operationGetByVal(ExecState*, EncodedJSValue encodedBase, EncodedJSValue encodedProperty) WTF_INTERNAL;
+EncodedJSValue DFG_OPERATION operationGetByValCell(ExecState*, JSCell*, EncodedJSValue encodedProperty) WTF_INTERNAL;
+EncodedJSValue DFG_OPERATION operationGetByValArrayInt(ExecState*, JSArray*, int32_t) WTF_INTERNAL;
+EncodedJSValue DFG_OPERATION operationGetById(ExecState*, EncodedJSValue, Identifier*) WTF_INTERNAL;
+EncodedJSValue DFG_OPERATION operationGetByIdBuildList(ExecState*, EncodedJSValue, Identifier*) WTF_INTERNAL;
+EncodedJSValue DFG_OPERATION operationGetByIdProtoBuildList(ExecState*, EncodedJSValue, Identifier*) WTF_INTERNAL;
+EncodedJSValue DFG_OPERATION operationGetByIdOptimize(ExecState*, EncodedJSValue, Identifier*) WTF_INTERNAL;
+EncodedJSValue DFG_OPERATION operationCallCustomGetter(ExecState*, JSCell*, PropertySlot::GetValueFunc, Identifier*) WTF_INTERNAL;
+EncodedJSValue DFG_OPERATION operationCallGetter(ExecState*, JSCell*, JSCell*) WTF_INTERNAL;
+void DFG_OPERATION operationNotifyGlobalVarWrite(WatchpointSet* watchpointSet) WTF_INTERNAL;
+EncodedJSValue DFG_OPERATION operationResolve(ExecState*, Identifier*, ResolveOperations*) WTF_INTERNAL;
+EncodedJSValue DFG_OPERATION operationResolveBase(ExecState*, Identifier*, ResolveOperations*, PutToBaseOperation*) WTF_INTERNAL;
+EncodedJSValue DFG_OPERATION operationResolveBaseStrictPut(ExecState*, Identifier*, ResolveOperations*, PutToBaseOperation*) WTF_INTERNAL;
+EncodedJSValue DFG_OPERATION operationResolveGlobal(ExecState*, ResolveOperation*, JSGlobalObject*, Identifier*) WTF_INTERNAL;
+EncodedJSValue DFG_OPERATION operationToPrimitive(ExecState*, EncodedJSValue) WTF_INTERNAL;
+char* DFG_OPERATION operationNewArray(ExecState*, Structure*, void*, size_t) WTF_INTERNAL;
+char* DFG_OPERATION operationNewArrayBuffer(ExecState*, Structure*, size_t, size_t) WTF_INTERNAL;
+char* DFG_OPERATION operationNewEmptyArray(ExecState*, Structure*) WTF_INTERNAL;
+char* DFG_OPERATION operationNewArrayWithSize(ExecState*, Structure*, int32_t) WTF_INTERNAL;
+EncodedJSValue DFG_OPERATION operationNewRegexp(ExecState*, void*) WTF_INTERNAL;
+void DFG_OPERATION operationPutByValStrict(ExecState*, EncodedJSValue encodedBase, EncodedJSValue encodedProperty, EncodedJSValue encodedValue) WTF_INTERNAL;
+void DFG_OPERATION operationPutByValNonStrict(ExecState*, EncodedJSValue encodedBase, EncodedJSValue encodedProperty, EncodedJSValue encodedValue) WTF_INTERNAL;
+void DFG_OPERATION operationPutByValCellStrict(ExecState*, JSCell*, EncodedJSValue encodedProperty, EncodedJSValue encodedValue) WTF_INTERNAL;
+void DFG_OPERATION operationPutByValCellNonStrict(ExecState*, JSCell*, EncodedJSValue encodedProperty, EncodedJSValue encodedValue) WTF_INTERNAL;
+void DFG_OPERATION operationPutByValBeyondArrayBoundsStrict(ExecState*, JSObject*, int32_t index, EncodedJSValue encodedValue) WTF_INTERNAL;
+void DFG_OPERATION operationPutByValBeyondArrayBoundsNonStrict(ExecState*, JSObject*, int32_t index, EncodedJSValue encodedValue) WTF_INTERNAL;
+void DFG_OPERATION operationPutDoubleByValBeyondArrayBoundsStrict(ExecState*, JSObject*, int32_t index, double value) WTF_INTERNAL;
+void DFG_OPERATION operationPutDoubleByValBeyondArrayBoundsNonStrict(ExecState*, JSObject*, int32_t index, double value) WTF_INTERNAL;
+EncodedJSValue DFG_OPERATION operationArrayPush(ExecState*, EncodedJSValue encodedValue, JSArray*) WTF_INTERNAL;
+EncodedJSValue DFG_OPERATION operationArrayPushDouble(ExecState*, double value, JSArray*) WTF_INTERNAL;
+EncodedJSValue DFG_OPERATION operationArrayPop(ExecState*, JSArray*) WTF_INTERNAL;
+EncodedJSValue DFG_OPERATION operationArrayPopAndRecoverLength(ExecState*, JSArray*) WTF_INTERNAL;
+EncodedJSValue DFG_OPERATION operationRegExpExec(ExecState*, JSCell*, JSCell*) WTF_INTERNAL;
+void DFG_OPERATION operationPutByIdStrict(ExecState*, EncodedJSValue encodedValue, JSCell* base, Identifier*) WTF_INTERNAL;
+void DFG_OPERATION operationPutByIdNonStrict(ExecState*, EncodedJSValue encodedValue, JSCell* base, Identifier*) WTF_INTERNAL;
+void DFG_OPERATION operationPutByIdDirectStrict(ExecState*, EncodedJSValue encodedValue, JSCell* base, Identifier*) WTF_INTERNAL;
+void DFG_OPERATION operationPutByIdDirectNonStrict(ExecState*, EncodedJSValue encodedValue, JSCell* base, Identifier*) WTF_INTERNAL;
+void DFG_OPERATION operationPutByIdStrictOptimize(ExecState*, EncodedJSValue encodedValue, JSCell* base, Identifier*) WTF_INTERNAL;
+void DFG_OPERATION operationPutByIdNonStrictOptimize(ExecState*, EncodedJSValue encodedValue, JSCell* base, Identifier*) WTF_INTERNAL;
+void DFG_OPERATION operationPutByIdDirectStrictOptimize(ExecState*, EncodedJSValue encodedValue, JSCell* base, Identifier*) WTF_INTERNAL;
+void DFG_OPERATION operationPutByIdDirectNonStrictOptimize(ExecState*, EncodedJSValue encodedValue, JSCell* base, Identifier*) WTF_INTERNAL;
+void DFG_OPERATION operationPutByIdStrictBuildList(ExecState*, EncodedJSValue encodedValue, JSCell* base, Identifier*) WTF_INTERNAL;
+void DFG_OPERATION operationPutByIdNonStrictBuildList(ExecState*, EncodedJSValue encodedValue, JSCell* base, Identifier*) WTF_INTERNAL;
+void DFG_OPERATION operationPutByIdDirectStrictBuildList(ExecState*, EncodedJSValue encodedValue, JSCell* base, Identifier*) WTF_INTERNAL;
+void DFG_OPERATION operationPutByIdDirectNonStrictBuildList(ExecState*, EncodedJSValue encodedValue, JSCell* base, Identifier*) WTF_INTERNAL;
+// These comparisons return a boolean within a size_t such that the value is zero extended to fill the register.
+size_t DFG_OPERATION operationRegExpTest(ExecState*, JSCell*, JSCell*) WTF_INTERNAL;
+size_t DFG_OPERATION operationCompareLess(ExecState*, EncodedJSValue encodedOp1, EncodedJSValue encodedOp2) WTF_INTERNAL;
+size_t DFG_OPERATION operationCompareLessEq(ExecState*, EncodedJSValue encodedOp1, EncodedJSValue encodedOp2) WTF_INTERNAL;
+size_t DFG_OPERATION operationCompareGreater(ExecState*, EncodedJSValue encodedOp1, EncodedJSValue encodedOp2) WTF_INTERNAL;
+size_t DFG_OPERATION operationCompareGreaterEq(ExecState*, EncodedJSValue encodedOp1, EncodedJSValue encodedOp2) WTF_INTERNAL;
+size_t DFG_OPERATION operationCompareEq(ExecState*, EncodedJSValue encodedOp1, EncodedJSValue encodedOp2) WTF_INTERNAL;
+#if USE(JSVALUE64)
+EncodedJSValue DFG_OPERATION operationCompareStringEq(ExecState*, JSCell* left, JSCell* right) WTF_INTERNAL;
+#else
+size_t DFG_OPERATION operationCompareStringEq(ExecState*, JSCell* left, JSCell* right) WTF_INTERNAL;
+#endif
+size_t DFG_OPERATION operationCompareStrictEqCell(ExecState*, EncodedJSValue encodedOp1, EncodedJSValue encodedOp2) WTF_INTERNAL;
+size_t DFG_OPERATION operationCompareStrictEq(ExecState*, EncodedJSValue encodedOp1, EncodedJSValue encodedOp2) WTF_INTERNAL;
+char* DFG_OPERATION operationVirtualCall(ExecState*) WTF_INTERNAL;
+char* DFG_OPERATION operationLinkCall(ExecState*) WTF_INTERNAL;
+char* DFG_OPERATION operationLinkClosureCall(ExecState*) WTF_INTERNAL;
+char* DFG_OPERATION operationVirtualConstruct(ExecState*) WTF_INTERNAL;
+char* DFG_OPERATION operationLinkConstruct(ExecState*) WTF_INTERNAL;
+JSCell* DFG_OPERATION operationCreateActivation(ExecState*) WTF_INTERNAL;
+JSCell* DFG_OPERATION operationCreateArguments(ExecState*) WTF_INTERNAL;
+JSCell* DFG_OPERATION operationCreateInlinedArguments(ExecState*, InlineCallFrame*) WTF_INTERNAL;
+void DFG_OPERATION operationTearOffArguments(ExecState*, JSCell*, JSCell*) WTF_INTERNAL;
+void DFG_OPERATION operationTearOffInlinedArguments(ExecState*, JSCell*, JSCell*, InlineCallFrame*) WTF_INTERNAL;
+EncodedJSValue DFG_OPERATION operationGetArgumentsLength(ExecState*, int32_t) WTF_INTERNAL;
+EncodedJSValue DFG_OPERATION operationGetInlinedArgumentByVal(ExecState*, int32_t, InlineCallFrame*, int32_t) WTF_INTERNAL;
+EncodedJSValue DFG_OPERATION operationGetArgumentByVal(ExecState*, int32_t, int32_t) WTF_INTERNAL;
+JSCell* DFG_OPERATION operationNewFunctionNoCheck(ExecState*, JSCell*) WTF_INTERNAL;
+EncodedJSValue DFG_OPERATION operationNewFunction(ExecState*, JSCell*) WTF_INTERNAL;
+JSCell* DFG_OPERATION operationNewFunctionExpression(ExecState*, JSCell*) WTF_INTERNAL;
+double DFG_OPERATION operationFModOnInts(int32_t, int32_t) WTF_INTERNAL;
+size_t DFG_OPERATION operationIsObject(ExecState*, EncodedJSValue) WTF_INTERNAL;
+size_t DFG_OPERATION operationIsFunction(EncodedJSValue) WTF_INTERNAL;
+JSCell* DFG_OPERATION operationTypeOf(ExecState*, JSCell*) WTF_INTERNAL;
+void DFG_OPERATION operationReallocateStorageAndFinishPut(ExecState*, JSObject*, Structure*, PropertyOffset, EncodedJSValue) WTF_INTERNAL;
+char* DFG_OPERATION operationAllocatePropertyStorageWithInitialCapacity(ExecState*) WTF_INTERNAL;
+char* DFG_OPERATION operationAllocatePropertyStorage(ExecState*, size_t newSize) WTF_INTERNAL;
+char* DFG_OPERATION operationReallocateButterflyToHavePropertyStorageWithInitialCapacity(ExecState*, JSObject*) WTF_INTERNAL;
+char* DFG_OPERATION operationReallocateButterflyToGrowPropertyStorage(ExecState*, JSObject*, size_t newSize) WTF_INTERNAL;
+char* DFG_OPERATION operationEnsureInt32(ExecState*, JSCell*);
+char* DFG_OPERATION operationEnsureDouble(ExecState*, JSCell*);
+char* DFG_OPERATION operationEnsureContiguous(ExecState*, JSCell*);
+char* DFG_OPERATION operationRageEnsureContiguous(ExecState*, JSCell*);
+char* DFG_OPERATION operationEnsureArrayStorage(ExecState*, JSCell*);
+StringImpl* DFG_OPERATION operationResolveRope(ExecState*, JSString*);
+JSCell* DFG_OPERATION operationNewStringObject(ExecState*, JSString*, Structure*);
+JSCell* DFG_OPERATION operationToStringOnCell(ExecState*, JSCell*);
+JSCell* DFG_OPERATION operationToString(ExecState*, EncodedJSValue);
+JSCell* DFG_OPERATION operationMakeRope2(ExecState*, JSString*, JSString*);
+JSCell* DFG_OPERATION operationMakeRope3(ExecState*, JSString*, JSString*, JSString*);
 
 // This method is used to lookup an exception hander, keyed by faultLocation, which is
 // the return location from one of the calls out to one of the helper operations above.
+
+// According to C++ rules, a type used for the return signature of function with C linkage (i.e.
+// 'extern "C"') needs to be POD; hence putting any constructors into it could cause either compiler
+// warnings, or worse, a change in the ABI used to return these types.
 struct DFGHandler {
-    DFGHandler(ExecState* exec, void* handler)
-        : exec(exec)
-        , handler(handler)
-    {
-    }
-
-    ExecState* exec;
-    void* handler;
+    union Union {
+        struct Struct {
+            ExecState* exec;
+            void* handler;
+        } s;
+        uint64_t encoded;
+    } u;
 };
-DFGHandler lookupExceptionHandler(ExecState*, ReturnAddressPtr faultLocation);
 
-// These operations implement the implicitly called ToInt32, ToNumber, and ToBoolean conversions from ES5.
-double dfgConvertJSValueToNumber(ExecState*, EncodedJSValue);
-int32_t dfgConvertJSValueToInt32(ExecState*, EncodedJSValue);
-bool dfgConvertJSValueToBoolean(ExecState*, EncodedJSValue);
+inline DFGHandler createDFGHandler(ExecState* exec, void* handler)
+{
+    DFGHandler result;
+    result.u.s.exec = exec;
+    result.u.s.handler = handler;
+    return result;
+}
+
+#if USE(JSVALUE64)
+typedef DFGHandler DFGHandlerEncoded;
+inline DFGHandlerEncoded dfgHandlerEncoded(ExecState* exec, void* handler)
+{
+    return createDFGHandler(exec, handler);
+}
+#else
+typedef uint64_t DFGHandlerEncoded;
+inline DFGHandlerEncoded dfgHandlerEncoded(ExecState* exec, void* handler)
+{
+    COMPILE_ASSERT(sizeof(DFGHandler::Union) == sizeof(uint64_t), DFGHandler_Union_is_64bit);
+    return createDFGHandler(exec, handler).u.encoded;
+}
+#endif
+DFGHandlerEncoded DFG_OPERATION lookupExceptionHandler(ExecState*, uint32_t) WTF_INTERNAL;
+DFGHandlerEncoded DFG_OPERATION lookupExceptionHandlerInStub(ExecState*, StructureStubInfo*) WTF_INTERNAL;
+
+// These operations implement the implicitly called ToInt32 and ToBoolean conversions from ES5.
+// This conversion returns an int32_t within a size_t such that the value is zero extended to fill the register.
+size_t DFG_OPERATION dfgConvertJSValueToInt32(ExecState*, EncodedJSValue) WTF_INTERNAL;
+size_t DFG_OPERATION dfgConvertJSValueToBoolean(ExecState*, EncodedJSValue) WTF_INTERNAL;
+
+void DFG_OPERATION debugOperationPrintSpeculationFailure(ExecState*, void*, void*) WTF_INTERNAL;
+
+void DFG_OPERATION triggerReoptimizationNow(CodeBlock*) WTF_INTERNAL;
 
+} // extern "C"
 } } // namespace JSC::DFG
 
 #endif