projects / apple / javascriptcore.git / blame
| Commit | Line | Data |
|---|---|---|
| ba379fdc | 1 | /* |
| 14957cd0 | 2 | * Copyright (C) 2011 Apple Inc. All rights reserved. |
| ba379fdc A |
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 | ||
| 6fe7ccc8 A |
26 | #ifndef LLIntExceptions_h |
| 27 | #define LLIntExceptions_h | |
| ba379fdc | 28 | |
| 6fe7ccc8 A |
29 | #include <wtf/Platform.h> |
| 30 | #include <wtf/StdLibExtras.h> | |
| ba379fdc | 31 | |
| 6fe7ccc8 | 32 | #if ENABLE(LLINT) |
| ba379fdc | 33 | |
| 6fe7ccc8 | 34 | #include "MacroAssemblerCodeRef.h" |
| ba379fdc | 35 | |
| 6fe7ccc8 | 36 | namespace JSC { |
| ba379fdc | 37 | |
| 6fe7ccc8 A |
38 | class ExecState; |
| 39 | struct Instruction; | |
| ba379fdc | 40 | |
| 6fe7ccc8 | 41 | namespace LLInt { |
| ba379fdc | 42 | |
| 6fe7ccc8 A |
43 | // Throw the currently active exception in the context of the caller's call frame. |
| 44 | void interpreterThrowInCaller(ExecState* callerFrame, ReturnAddressPtr); | |
| 14957cd0 | 45 | |
| 6fe7ccc8 A |
46 | // Tells you where to jump to if you want to return-to-throw, after you've already |
| 47 | // set up all information needed to throw the exception. | |
| 48 | Instruction* returnToThrowForThrownException(ExecState*); | |
| 49 | ||
| 50 | // Saves the current PC in the global data for safe-keeping, and gives you a PC | |
| 51 | // that you can tell the interpreter to go to, which when advanced between 1 | |
| 52 | // and 9 slots will give you an "instruction" that threads to the interpreter's | |
| 53 | // exception handler. Note that if you give it the PC for exception handling, | |
| 54 | // it's smart enough to just return that PC without doing anything else; this | |
| 55 | // lets you thread exception handling through common helper functions used by | |
| 56 | // other helpers. | |
| 57 | Instruction* returnToThrow(ExecState*, Instruction*); | |
| 58 | ||
| 59 | // Use this when you're throwing to a call thunk. | |
| 60 | void* callToThrow(ExecState*, Instruction*); | |
| 61 | ||
| 62 | } } // namespace JSC::LLInt | |
| 63 | ||
| 64 | #endif // ENABLE(LLINT) | |
| 65 | ||
| 66 | #endif // LLIntExceptions_h |