WebKit/Source/JavaScriptCore/llint/LLIntThunks.h at main · WebKit/WebKit · GitHub

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* Redistribution and use in source and binary forms, with or without

* modification, are permitted provided that the following conditions

* are met:

* 1. Redistributions of source code must retain the above copyright

* notice, this list of conditions and the following disclaimer.

* 2. Redistributions in binary form must reproduce the above copyright

* notice, this list of conditions and the following disclaimer in the

* documentation and/or other materials provided with the distribution.

* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY

* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE

* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR

* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR

* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,

* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,

* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR

* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY

* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT

* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE

* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

#pragma once

#include <JavaScriptCore/MacroAssemblerCodeRef.h>

#include <JavaScriptCore/OpcodeSize.h>

#include <JavaScriptCore/VM.h>

#include <wtf/Scope.h>

namespace JSC {

struct ProtoCallFrame;

typedef int64_t EncodedJSValue;

extern "C" {

EncodedJSValue SYSV_ABI NOT_TAIL_CALLED vmEntryToJavaScript(void*, VM*, ProtoCallFrame*);

EncodedJSValue SYSV_ABI NOT_TAIL_CALLED vmEntryToNative(void*, VM*, ProtoCallFrame*);

EncodedJSValue SYSV_ABI NOT_TAIL_CALLED vmEntryCustomGetter(JSGlobalObject*, EncodedJSValue, PropertyName, void*);

void SYSV_ABI NOT_TAIL_CALLED vmEntryCustomSetter(JSGlobalObject*, EncodedJSValue, EncodedJSValue, PropertyName, void*);

EncodedJSValue SYSV_ABI NOT_TAIL_CALLED vmEntryHostFunction(JSGlobalObject*, CallFrame*, void*);

#if (CPU(ARM64) || CPU(X86_64)) && CPU(ADDRESS64) && !ENABLE(C_LOOP)

EncodedJSValue SYSV_ABI NOT_TAIL_CALLED vmEntryToJavaScriptWith0Arguments(void*, VM*, CodeBlock*, JSObject*, JSValue, JSCell*);

EncodedJSValue SYSV_ABI NOT_TAIL_CALLED vmEntryToJavaScriptWith1Arguments(void*, VM*, CodeBlock*, JSObject*, JSValue, JSCell*, JSValue);

EncodedJSValue SYSV_ABI NOT_TAIL_CALLED vmEntryToJavaScriptWith2Arguments(void*, VM*, CodeBlock*, JSObject*, JSValue, JSCell*, JSValue, JSValue);

EncodedJSValue SYSV_ABI NOT_TAIL_CALLED vmEntryToJavaScriptWith3Arguments(void*, VM*, CodeBlock*, JSObject*, JSValue, JSCell*, JSValue, JSValue, JSValue);

EncodedJSValue SYSV_ABI NOT_TAIL_CALLED vmEntryToJavaScriptWith4Arguments(void*, VM*, CodeBlock*, JSObject*, JSValue, JSCell*, JSValue, JSValue, JSValue, JSValue);

EncodedJSValue SYSV_ABI NOT_TAIL_CALLED vmEntryToJavaScriptWith5Arguments(void*, VM*, CodeBlock*, JSObject*, JSValue, JSCell*, JSValue, JSValue, JSValue, JSValue, JSValue);

EncodedJSValue SYSV_ABI NOT_TAIL_CALLED vmEntryToJavaScriptWith6Arguments(void*, VM*, CodeBlock*, JSObject*, JSValue, JSCell*, JSValue, JSValue, JSValue, JSValue, JSValue, JSValue);

#endif

}

#if CPU(ARM64E) && !ENABLE(C_LOOP)

extern "C" {

void jitCagePtrGateAfter(void);

void vmEntryToJavaScriptGateAfter(void);

// WebCore calls these from SelectorCompiler, so they are not hidden like normal LLInt symbols.

JS_EXPORT_PRIVATE unsigned SYSV_ABI vmEntryToCSSJIT(uintptr_t, uintptr_t, uintptr_t, const void* codePtr);

JS_EXPORT_PRIVATE void SYSV_ABI vmEntryToCSSJITAfter(void);

void llint_function_for_call_arity_checkUntagGateAfter(void);

void llint_function_for_call_arity_checkTagGateAfter(void);

void llint_function_for_construct_arity_checkUntagGateAfter(void);

void llint_function_for_construct_arity_checkTagGateAfter(void);

}

#endif

inline EncodedJSValue vmEntryToWasm(void* code, VM* vm, ProtoCallFrame* frame)

{

auto clobberizeValidator = makeScopeExit([&] {

vm->didEnterVM = true;

});

code = retagCodePtr<WasmEntryPtrTag, JSEntryPtrTag>(code);

return vmEntryToJavaScript(code, vm, frame);

}

namespace LLInt {

MacroAssemblerCodeRef<JSEntryPtrTag> functionForCallEntryThunk();

MacroAssemblerCodeRef<JSEntryPtrTag> functionForConstructEntryThunk();

MacroAssemblerCodeRef<JSEntryPtrTag> functionForCallArityCheckThunk();

MacroAssemblerCodeRef<JSEntryPtrTag> functionForConstructArityCheckThunk();

MacroAssemblerCodeRef<JSEntryPtrTag> evalEntryThunk();

MacroAssemblerCodeRef<JSEntryPtrTag> programEntryThunk();

MacroAssemblerCodeRef<JSEntryPtrTag> moduleProgramEntryThunk();

MacroAssemblerCodeRef<JSEntryPtrTag> defaultCallThunk();

MacroAssemblerCodeRef<JSEntryPtrTag> getHostCallReturnValueThunk();

MacroAssemblerCodeRef<JSEntryPtrTag> genericReturnPointThunk(OpcodeSize);

MacroAssemblerCodeRef<JSEntryPtrTag> fuzzerReturnEarlyFromLoopHintThunk();

#if ENABLE(JIT)

MacroAssemblerCodeRef<JITThunkPtrTag> arityFixupThunk();

#endif

MacroAssemblerCodeRef<ExceptionHandlerPtrTag> callToThrowThunk();

MacroAssemblerCodeRef<ExceptionHandlerPtrTag> handleUncaughtExceptionThunk();

MacroAssemblerCodeRef<ExceptionHandlerPtrTag> handleCatchThunk(OpcodeSize);

#if ENABLE(JIT_CAGE)

MacroAssemblerCodeRef<NativeToJITGatePtrTag> jitCagePtrThunk();

MacroAssemblerCodeRef<NativeToJITGatePtrTag> jitCageProbeThunk();

#endif

#if CPU(ARM64E)

MacroAssemblerCodeRef<NativeToJITGatePtrTag> createJSGateThunk(void*, PtrTag, const char*);

MacroAssemblerCodeRef<NativeToJITGatePtrTag> createWasmGateThunk(void*, PtrTag, const char*);

MacroAssemblerCodeRef<NativeToJITGatePtrTag> createTailCallGate(PtrTag, bool);

MacroAssemblerCodeRef<NativeToJITGatePtrTag> createWasmTailCallGate(PtrTag);

MacroAssemblerCodeRef<NativeToJITGatePtrTag> loopOSREntryGateThunk();

MacroAssemblerCodeRef<NativeToJITGatePtrTag> entryOSREntryGateThunk();

MacroAssemblerCodeRef<NativeToJITGatePtrTag> wasmOSREntryGateThunk();

MacroAssemblerCodeRef<NativeToJITGatePtrTag> exceptionHandlerGateThunk();

MacroAssemblerCodeRef<NativeToJITGatePtrTag> returnFromLLIntGateThunk();

MacroAssemblerCodeRef<NativeToJITGatePtrTag> untagGateThunk(void*);

MacroAssemblerCodeRef<NativeToJITGatePtrTag> tagGateThunk(void*);

#endif

MacroAssemblerCodeRef<JSEntryPtrTag> normalOSRExitTrampolineThunk();

#if ENABLE(DFG_JIT)

MacroAssemblerCodeRef<JSEntryPtrTag> checkpointOSRExitTrampolineThunk();

MacroAssemblerCodeRef<JSEntryPtrTag> checkpointOSRExitFromInlinedCallTrampolineThunk();

MacroAssemblerCodeRef<JSEntryPtrTag> arraySortComparatorReturnTrampolineThunk();

MacroAssemblerCodeRef<JSEntryPtrTag> returnLocationThunk(OpcodeID, OpcodeSize);

#endif

#if ENABLE(WEBASSEMBLY)

MacroAssemblerCodeRef<JITThunkPtrTag> inPlaceInterpreterEntryThunk();

MacroAssemblerCodeRef<JITThunkPtrTag> inPlaceInterpreterCatchEntryThunk();

MacroAssemblerCodeRef<JITThunkPtrTag> inPlaceInterpreterCatchAllEntryThunk();

MacroAssemblerCodeRef<JITThunkPtrTag> inPlaceInterpreterTableCatchEntryThunk();

MacroAssemblerCodeRef<JITThunkPtrTag> inPlaceInterpreterTableCatchRefEntryThunk();

MacroAssemblerCodeRef<JITThunkPtrTag> inPlaceInterpreterTableCatchAllEntryThunk();

MacroAssemblerCodeRef<JITThunkPtrTag> inPlaceInterpreterTableCatchAllrefEntryThunk();

#if CPU(ARM64E)

MacroAssemblerCodeRef<NativeToJITGatePtrTag> relocateJITReturnPCThunk(void*);

MacroAssemblerCodeRef<NativeToJITGatePtrTag> exitImplantedSliceGateThunk(void*);

MacroAssemblerCodeRef<NativeToJITGatePtrTag> getSentinelFrameReturnPCGateThunk(void*);

#endif

#if ENABLE(JIT_CAGE)

MacroAssemblerCodeRef<NativeToJITGatePtrTag> wasmRestoreFrameGateThunk();

#endif // ENABLE(JIT_CAGE)

#endif // ENABLE(WEBASSEMBLY)

} } // namespace JSC::LLInt

WebKit/Source/JavaScriptCore/llint/LLIntThunks.h at main · WebKit/WebKit · GitHub

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