projects / apple / javascriptcore.git / blame
| Commit | Line | Data |
|---|---|---|
| 6fe7ccc8 A |
1 | /* |
| 2 | * Copyright (C) 2012 Apple Inc. All rights reserved. | |
| 3 | * | |
| 4 | * Redistribution and use in source and binary forms, with or without | |
| 5 | * modification, are permitted provided that the following conditions | |
| 6 | * are met: | |
| 7 | * 1. Redistributions of source code must retain the above copyright | |
| 8 | * notice, this list of conditions and the following disclaimer. | |
| 9 | * 2. Redistributions in binary form must reproduce the above copyright | |
| 10 | * notice, this list of conditions and the following disclaimer in the | |
| 11 | * documentation and/or other materials provided with the distribution. | |
| 12 | * | |
| 13 | * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY | |
| 14 | * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
| 15 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR | |
| 16 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR | |
| 17 | * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, | |
| 18 | * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, | |
| 19 | * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR | |
| 20 | * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY | |
| 21 | * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
| 22 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
| 23 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
| 24 | */ | |
| 25 | ||
| 26 | #include "config.h" | |
| 27 | #include "LLIntThunks.h" | |
| 28 | ||
| 29 | #if ENABLE(LLINT) | |
| 30 | ||
| 31 | #include "JSInterfaceJIT.h" | |
| 32 | #include "JSObject.h" | |
| 33 | #include "LinkBuffer.h" | |
| 34 | #include "LowLevelInterpreter.h" | |
| 35 | #include "ScopeChain.h" | |
| 36 | ||
| 37 | namespace JSC { namespace LLInt { | |
| 38 | ||
| 39 | static MacroAssemblerCodeRef generateThunkWithJumpTo(JSGlobalData* globalData, void (*target)()) | |
| 40 | { | |
| 41 | JSInterfaceJIT jit; | |
| 42 | ||
| 43 | // FIXME: there's probably a better way to do it on X86, but I'm not sure I care. | |
| 44 | jit.move(JSInterfaceJIT::TrustedImmPtr(bitwise_cast<void*>(target)), JSInterfaceJIT::regT0); | |
| 45 | jit.jump(JSInterfaceJIT::regT0); | |
| 46 | ||
| 47 | LinkBuffer patchBuffer(*globalData, &jit, GLOBAL_THUNK_ID); | |
| 48 | return patchBuffer.finalizeCode(); | |
| 49 | } | |
| 50 | ||
| 51 | MacroAssemblerCodeRef functionForCallEntryThunkGenerator(JSGlobalData* globalData) | |
| 52 | { | |
| 53 | return generateThunkWithJumpTo(globalData, llint_function_for_call_prologue); | |
| 54 | } | |
| 55 | ||
| 56 | MacroAssemblerCodeRef functionForConstructEntryThunkGenerator(JSGlobalData* globalData) | |
| 57 | { | |
| 58 | return generateThunkWithJumpTo(globalData, llint_function_for_construct_prologue); | |
| 59 | } | |
| 60 | ||
| 61 | MacroAssemblerCodeRef functionForCallArityCheckThunkGenerator(JSGlobalData* globalData) | |
| 62 | { | |
| 63 | return generateThunkWithJumpTo(globalData, llint_function_for_call_arity_check); | |
| 64 | } | |
| 65 | ||
| 66 | MacroAssemblerCodeRef functionForConstructArityCheckThunkGenerator(JSGlobalData* globalData) | |
| 67 | { | |
| 68 | return generateThunkWithJumpTo(globalData, llint_function_for_construct_arity_check); | |
| 69 | } | |
| 70 | ||
| 71 | MacroAssemblerCodeRef evalEntryThunkGenerator(JSGlobalData* globalData) | |
| 72 | { | |
| 73 | return generateThunkWithJumpTo(globalData, llint_eval_prologue); | |
| 74 | } | |
| 75 | ||
| 76 | MacroAssemblerCodeRef programEntryThunkGenerator(JSGlobalData* globalData) | |
| 77 | { | |
| 78 | return generateThunkWithJumpTo(globalData, llint_program_prologue); | |
| 79 | } | |
| 80 | ||
| 81 | } } // namespace JSC::LLInt | |
| 82 | ||
| 83 | #endif // ENABLE(LLINT) |