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/*
* Copyright (C) 2012-2018 Apple Inc. All rights reserved.
*
* 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 "MacroAssemblerCodeRef.h"
#include "OpcodeSize.h"
#include "VM.h"
#include <wtf/Scope.h>
namespace JSC {
struct ProtoCallFrame;
typedef int64_t EncodedJSValue;
extern "C" {
EncodedJSValue vmEntryToJavaScript(void*, VM*, ProtoCallFrame*);
EncodedJSValue vmEntryToNative(void*, VM*, ProtoCallFrame*);
EncodedJSValue vmEntryCustomGetter(CPURegister, CPURegister, CPURegister, CPURegister);
EncodedJSValue vmEntryCustomSetter(CPURegister, CPURegister, CPURegister, CPURegister, CPURegister);
EncodedJSValue vmEntryHostFunction(JSGlobalObject*, CallFrame*, void*);
}
#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 vmEntryToCSSJIT(uintptr_t, uintptr_t, uintptr_t, const void* codePtr);
JS_EXPORT_PRIVATE void 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();
MacroAssemblerCodeRef<ExceptionHandlerPtrTag> callToThrowThunk();
MacroAssemblerCodeRef<ExceptionHandlerPtrTag> handleUncaughtExceptionThunk();
MacroAssemblerCodeRef<ExceptionHandlerPtrTag> handleCatchThunk(OpcodeSize);
#if ENABLE(WEBASSEMBLY)
MacroAssemblerCodeRef<ExceptionHandlerPtrTag> handleWasmCatchThunk(OpcodeSize);
MacroAssemblerCodeRef<ExceptionHandlerPtrTag> handleWasmCatchAllThunk(OpcodeSize);
#endif
#if ENABLE(JIT_CAGE)
MacroAssemblerCodeRef<NativeToJITGatePtrTag> jitCagePtrThunk();
#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> returnLocationThunk(OpcodeID, OpcodeSize);
#endif
#if ENABLE(WEBASSEMBLY)
MacroAssemblerCodeRef<JITThunkPtrTag> wasmFunctionEntryThunk();
MacroAssemblerCodeRef<JITThunkPtrTag> wasmFunctionEntryThunkSIMD();
MacroAssemblerCodeRef<JITThunkPtrTag> inPlaceInterpreterEntryThunk();
MacroAssemblerCodeRef<JITThunkPtrTag> inPlaceInterpreterEntryThunkSIMD();
#endif // ENABLE(WEBASSEMBLY)
} } // namespace JSC::LLInt
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