1/*
2 * Copyright (C) 2011-2018 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 "LLIntExceptions.h"
28#include "CallFrame.h"
29#include "CodeBlock.h"
30#include "Instruction.h"
31#include "LLIntCommon.h"
32#include "LLIntData.h"
33#include "LowLevelInterpreter.h"
34#include "JSCInlines.h"
35
36#if LLINT_TRACING
37#include "Exception.h"
38#endif
39
40namespace JSC { namespace LLInt {
41
42Instruction* returnToThrow(ExecState* exec)
43{
44 UNUSED_PARAM(exec);
45#if LLINT_TRACING
46 if (UNLIKELY(Options::traceLLIntSlowPath())) {
47 VM* vm = &exec->vm();
48 auto scope = DECLARE_CATCH_SCOPE(*vm);
49 dataLog("Throwing exception ", JSValue(scope.exception()), " (returnToThrow).\n");
50 }
51#endif
52 return LLInt::exceptionInstructions();
53}
54
55void* callToThrow(ExecState* exec)
56{
57 UNUSED_PARAM(exec);
58#if LLINT_TRACING
59 if (UNLIKELY(Options::traceLLIntSlowPath())) {
60 VM* vm = &exec->vm();
61 auto scope = DECLARE_CATCH_SCOPE(*vm);
62 dataLog("Throwing exception ", JSValue(scope.exception()), " (callToThrow).\n");
63 }
64#endif
65 return LLInt::getCodePtr<ExceptionHandlerPtrTag>(llint_throw_during_call_trampoline).executableAddress();
66}
67
68} } // namespace JSC::LLInt
69