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diff --git a/Source/JavaScriptCore/assembler/MacroAssemblerPrinter.h b/Source/JavaScriptCore/assembler/MacroAssemblerPrinter.h
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--- a/Source/JavaScriptCore/assembler/MacroAssemblerPrinter.h
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@@ -1,305 +0,0 @@
-/*
- * Copyright (C) 2015 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.
- */
-
-#ifndef MacroAssemblerPrinter_h
-#define MacroAssemblerPrinter_h
-
-#if ENABLE(MASM_PROBE)
-
-#include "MacroAssembler.h"
-
-namespace JSC {
-
-// What is MacroAssembler::print()?
-// ===============================
-// The MacroAsssembler::print() makes it easy to add print logging
-// from JIT compiled code, and can be used to print all types of values
-// at runtime e.g. CPU register values being operated on by the compiled
-// code.
-//
-// print() is built on top of MacroAsssembler::probe(), and hence
-// inserting logging in JIT compiled code will not perturb register values.
-// The only register value that is perturbed is the PC (program counter)
-// since there is now more compiled code to do the printing.
-//
-// How to use the MacroAssembler print()?
-// =====================================
-// 1. #include "MacroAssemblerPrinter.h" in the JIT file where you want to use print().
-//
-// 2. Add print() calls like these in your JIT code:
-//
-//      jit.print("Hello world\n"); // Emits code to print the string.
-//
-//      CodeBlock* cb = ...;
-//      jit.print(cb, "\n");        // Emits code to print the pointer value.
-//
-//      RegisterID regID = ...;
-//      jit.print(regID, "\n");     // Emits code to print the register value (not the id).
-//
-//      // Emits code to print all registers. Unlike other items, this prints
-//      // multiple lines as follows:
-//      //      cpu {
-//      //          eax: 0x123456789
-//      //          ebx: 0x000000abc
-//      //          ...
-//      //      }
-//      jit.print(AllRegisters());
-//
-//      jit.print(MemWord<uint8_t>(regID), "\n");   // Emits code to print a byte pointed to by the register.
-//      jit.print(MemWord<uint32_t>(regID), "\n");  // Emits code to print a 32-bit word pointed to by the register.
-//
-//      jit.print(MemWord<uint8_t>(Address(regID, 23), "\n");     // Emits code to print a byte at the address.
-//      jit.print(MemWord<intptr_t>(AbsoluteAddress(&cb), "\n");  // Emits code to print an intptr_t sized word at the address.
-//
-//      jit.print(Memory(reg, 100), "\n");              // Emits code to print a 100 bytes at the address pointed by the register.
-//      jit.print(Memory(Address(reg, 4), 100), "\n");  // Emits code to print a 100 bytes at the address.
-//
-//      // Print multiple things at once. This incurs the probe overhead only once
-//      // to print all the items.
-//      jit.print("cb:", cb, " regID:", regID, " cpu:\n", AllRegisters());
-//
-//   The type of values that can be printed is encapsulated in the PrintArg struct below.
-//
-//   Note: print() does not automatically insert a '\n' at the end of the line.
-//   If you want a '\n', you'll have to add it explicitly (as in the examples above).
-
-
-// This is a marker type only used with MacroAssemblerPrinter::print().
-// See MacroAssemblerPrinter::print() below for details.
-struct AllRegisters { };
-struct PCRegister { };
-
-struct Memory {
-    using Address = MacroAssembler::Address;
-    using AbsoluteAddress = MacroAssembler::AbsoluteAddress;
-    using RegisterID = MacroAssembler::RegisterID;
-
-    enum class AddressType {
-        Address,
-        AbsoluteAddress,
-    };
-
-    enum DumpStyle {
-        SingleWordDump,
-        GenericDump,
-    };
-
-    Memory(RegisterID& reg, size_t bytes, DumpStyle style = GenericDump)
-        : addressType(AddressType::Address)
-        , dumpStyle(style)
-        , numBytes(bytes)
-    {
-        u.address = Address(reg, 0);
-    }
-
-    Memory(const Address& address, size_t bytes, DumpStyle style = GenericDump)
-        : addressType(AddressType::Address)
-        , dumpStyle(style)
-        , numBytes(bytes)
-    {
-        u.address = address;
-    }
-
-    Memory(const AbsoluteAddress& address, size_t bytes, DumpStyle style = GenericDump)
-        : addressType(AddressType::AbsoluteAddress)
-        , dumpStyle(style)
-        , numBytes(bytes)
-    {
-        u.absoluteAddress = address;
-    }
-
-    AddressType addressType;
-    DumpStyle dumpStyle;
-    size_t numBytes;
-    union UnionedAddress {
-        UnionedAddress() { }
-
-        Address address;
-        AbsoluteAddress absoluteAddress;
-    } u;
-};
-
-template <typename IntType>
-struct MemWord : public Memory {
-    MemWord(RegisterID& reg)
-        : Memory(reg, sizeof(IntType), Memory::SingleWordDump)
-    { }
-
-    MemWord(const Address& address)
-        : Memory(address, sizeof(IntType), Memory::SingleWordDump)
-    { }
-
-    MemWord(const AbsoluteAddress& address)
-        : Memory(address, sizeof(IntType), Memory::SingleWordDump)
-    { }
-};
-
-
-class MacroAssemblerPrinter {
-    using CPUState = MacroAssembler::CPUState;
-    using ProbeContext = MacroAssembler::ProbeContext;
-    using RegisterID = MacroAssembler::RegisterID;
-    using FPRegisterID = MacroAssembler::FPRegisterID;
-    
-public:
-    template<typename... Arguments>
-    static void print(MacroAssembler* masm, Arguments... args)
-    {
-        auto argsList = std::make_unique<PrintArgsList>();
-        appendPrintArg(argsList.get(), args...);
-        masm->probe(printCallback, argsList.release(), 0);
-    }
-    
-private:
-    struct PrintArg {
-
-        enum class Type {
-            AllRegisters,
-            PCRegister,
-            RegisterID,
-            FPRegisterID,
-            Memory,
-            ConstCharPtr,
-            ConstVoidPtr,
-            IntptrValue,
-            UintptrValue,
-        };
-        
-        PrintArg(AllRegisters&)
-            : type(Type::AllRegisters)
-        {
-        }
-        
-        PrintArg(PCRegister&)
-            : type(Type::PCRegister)
-        {
-        }
-        
-        PrintArg(RegisterID regID)
-            : type(Type::RegisterID)
-        {
-            u.gpRegisterID = regID;
-        }
-        
-        PrintArg(FPRegisterID regID)
-            : type(Type::FPRegisterID)
-        {
-            u.fpRegisterID = regID;
-        }
-
-        PrintArg(const Memory& memory)
-            : type(Type::Memory)
-        {
-            u.memory = memory;
-        }
-
-        PrintArg(const char* ptr)
-            : type(Type::ConstCharPtr)
-        {
-            u.constCharPtr = ptr;
-        }
-        
-        PrintArg(const void* ptr)
-            : type(Type::ConstVoidPtr)
-        {
-            u.constVoidPtr = ptr;
-        }
-        
-        PrintArg(int value)
-            : type(Type::IntptrValue)
-        {
-            u.intptrValue = value;
-        }
-        
-        PrintArg(unsigned value)
-            : type(Type::UintptrValue)
-        {
-            u.intptrValue = value;
-        }
-        
-        PrintArg(intptr_t value)
-            : type(Type::IntptrValue)
-        {
-            u.intptrValue = value;
-        }
-        
-        PrintArg(uintptr_t value)
-            : type(Type::UintptrValue)
-        {
-            u.uintptrValue = value;
-        }
-        
-        Type type;
-        union Value {
-            Value() { }
-
-            RegisterID gpRegisterID;
-            FPRegisterID fpRegisterID;
-            Memory memory;
-            const char* constCharPtr;
-            const void* constVoidPtr;
-            intptr_t intptrValue;
-            uintptr_t uintptrValue;
-        } u;
-    };
-
-    typedef Vector<PrintArg> PrintArgsList;
-    
-    template<typename FirstArg, typename... Arguments>
-    static void appendPrintArg(PrintArgsList* argsList, FirstArg& firstArg, Arguments... otherArgs)
-    {
-        argsList->append(PrintArg(firstArg));
-        appendPrintArg(argsList, otherArgs...);
-    }
-    
-    static void appendPrintArg(PrintArgsList*) { }
-
-private:
-    static void printCallback(ProbeContext*);
-};
-
-template<typename... Arguments>
-void MacroAssembler::print(Arguments... args)
-{
-    MacroAssemblerPrinter::print(this, args...);
-}
-
-
-// These printers will print a block of information. That block may be
-// indented with the specified indentation.
-void printCPU(MacroAssembler::CPUState&, int indentation = 0);
-void printCPURegisters(MacroAssembler::CPUState&, int indentation = 0);
-
-// These printers will print the specified information in line in the
-// print stream. Hence, no indentation will be applied.
-void printRegister(MacroAssembler::CPUState&, MacroAssembler::RegisterID);
-void printRegister(MacroAssembler::CPUState&, MacroAssembler::FPRegisterID);
-void printMemory(MacroAssembler::CPUState&, const Memory&);
-
-} // namespace JSC
-
-#endif // ENABLE(MASM_PROBE)
-
-#endif // MacroAssemblerPrinter_h