| /* |
| * Copyright (C) 2012 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. |
| */ |
| |
| #include "config.h" |
| #include "LLIntThunks.h" |
| |
| #if ENABLE(LLINT) |
| |
| #include "JSInterfaceJIT.h" |
| #include "JSObject.h" |
| #include "LinkBuffer.h" |
| #include "LowLevelInterpreter.h" |
| |
| |
| namespace JSC { namespace LLInt { |
| |
| #if !ENABLE(LLINT_C_LOOP) |
| |
| static MacroAssemblerCodeRef generateThunkWithJumpTo(JSGlobalData* globalData, void (*target)(), const char *thunkKind) |
| { |
| JSInterfaceJIT jit; |
| |
| // FIXME: there's probably a better way to do it on X86, but I'm not sure I care. |
| jit.move(JSInterfaceJIT::TrustedImmPtr(bitwise_cast<void*>(target)), JSInterfaceJIT::regT0); |
| jit.jump(JSInterfaceJIT::regT0); |
| |
| LinkBuffer patchBuffer(*globalData, &jit, GLOBAL_THUNK_ID); |
| return FINALIZE_CODE(patchBuffer, ("LLInt %s prologue thunk", thunkKind)); |
| } |
| |
| MacroAssemblerCodeRef functionForCallEntryThunkGenerator(JSGlobalData* globalData) |
| { |
| return generateThunkWithJumpTo(globalData, llint_function_for_call_prologue, "function for call"); |
| } |
| |
| MacroAssemblerCodeRef functionForConstructEntryThunkGenerator(JSGlobalData* globalData) |
| { |
| return generateThunkWithJumpTo(globalData, llint_function_for_construct_prologue, "function for construct"); |
| } |
| |
| MacroAssemblerCodeRef functionForCallArityCheckThunkGenerator(JSGlobalData* globalData) |
| { |
| return generateThunkWithJumpTo(globalData, llint_function_for_call_arity_check, "function for call with arity check"); |
| } |
| |
| MacroAssemblerCodeRef functionForConstructArityCheckThunkGenerator(JSGlobalData* globalData) |
| { |
| return generateThunkWithJumpTo(globalData, llint_function_for_construct_arity_check, "function for construct with arity check"); |
| } |
| |
| MacroAssemblerCodeRef evalEntryThunkGenerator(JSGlobalData* globalData) |
| { |
| return generateThunkWithJumpTo(globalData, llint_eval_prologue, "eval"); |
| } |
| |
| MacroAssemblerCodeRef programEntryThunkGenerator(JSGlobalData* globalData) |
| { |
| return generateThunkWithJumpTo(globalData, llint_program_prologue, "program"); |
| } |
| |
| #endif // !ENABLE(LLINT_C_LOOP) |
| |
| } } // namespace JSC::LLInt |
| |
| #endif // ENABLE(LLINT) |
