[webkit-changes] [WebKit/WebKit] bbfda6: [JSC] Use enum for machine code copy function

[Yusuke Suzuki]

  Branch: refs/heads/main
  Home:   https://github.com/WebKit/WebKit
  Commit: bbfda646977380e9960f68f3b3878dd11b034ab1
      https://github.com/WebKit/WebKit/commit/bbfda646977380e9960f68f3b3878dd11b034ab1
  Author: Yusuke Suzuki <ysuzuki at apple.com>
  Date:   2024-01-08 (Mon, 08 Jan 2024)

  Changed paths:
    M Source/JavaScriptCore/assembler/ARM64Assembler.h
    M Source/JavaScriptCore/assembler/ARMv7Assembler.h
    M Source/JavaScriptCore/assembler/AbstractMacroAssembler.h
    M Source/JavaScriptCore/assembler/AssemblerCommon.h
    M Source/JavaScriptCore/assembler/LinkBuffer.cpp
    M Source/JavaScriptCore/assembler/MIPSAssembler.h
    M Source/JavaScriptCore/assembler/MacroAssemblerARM64.h
    M Source/JavaScriptCore/assembler/MacroAssemblerARMv7.h
    M Source/JavaScriptCore/assembler/RISCV64Assembler.h
    M Source/JavaScriptCore/assembler/X86Assembler.h
    M Source/JavaScriptCore/jit/ExecutableAllocator.cpp
    M Source/JavaScriptCore/jit/ExecutableAllocator.h

  Log Message:
  -----------
  [JSC] Use enum for machine code copy function
https://bugs.webkit.org/show_bug.cgi?id=267217
rdar://120625991

Reviewed by Justin Michaud.

This makes code much simpler. We can remove many weird workaround for GCC, like memcpyWrapper.

* Source/JavaScriptCore/assembler/ARM64Assembler.h:
* Source/JavaScriptCore/assembler/ARMv7Assembler.h:
(JSC::ARMv7Assembler::fillNops):
(JSC::ARMv7Assembler::replaceWithNops):
(JSC::ARMv7Assembler::linkJumpT1):
(JSC::ARMv7Assembler::linkJumpT2):
(JSC::ARMv7Assembler::linkJumpT3):
(JSC::ARMv7Assembler::linkJumpT4):
(JSC::ARMv7Assembler::linkConditionalJumpT4):
(JSC::ARMv7Assembler::linkBX):
(JSC::ARMv7Assembler::linkConditionalBX):
* Source/JavaScriptCore/assembler/AbstractMacroAssembler.h:
(JSC::AbstractMacroAssembler::emitNops):
* Source/JavaScriptCore/assembler/AssemblerCommon.h:
(JSC::machineCodeCopy):
* Source/JavaScriptCore/assembler/LinkBuffer.cpp:
(JSC::LinkBuffer::copyCompactAndLinkCode):
* Source/JavaScriptCore/assembler/MIPSAssembler.h:
(JSC::MIPSAssembler::nop):
* Source/JavaScriptCore/assembler/MacroAssemblerARM64.h:
* Source/JavaScriptCore/assembler/MacroAssemblerARMv7.h:
* Source/JavaScriptCore/assembler/RISCV64Assembler.h:
(JSC::RISCV64Assembler::replaceWithNops):
(JSC::RISCV64Assembler::fillNops):
* Source/JavaScriptCore/assembler/X86Assembler.h:
(JSC::X86Assembler::replaceWithNops):
(JSC::X86Assembler::memcpyWrapper): Deleted.
* Source/JavaScriptCore/jit/ExecutableAllocator.cpp:
* Source/JavaScriptCore/jit/ExecutableAllocator.h:
(JSC::memcpyWrapper): Deleted.

Canonical link: https://commits.webkit.org/272768@main