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31 lines
1.2 KiB
31 lines
1.2 KiB
// Copyright 2018 the V8 project authors. All rights reserved. |
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// Use of this source code is governed by a BSD-style license that can be |
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// found in the LICENSE file. |
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#ifndef V8_WASM_TRAP_HANDLER_POSIX_H_ |
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#define V8_WASM_TRAP_HANDLER_POSIX_H_ |
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#include <signal.h> |
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#include "v8config.h" // NOLINT(build/include) |
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namespace v8 { |
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/** |
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* This function determines whether a memory access violation has been an |
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* out-of-bounds memory access in WebAssembly. If so, it will modify the context |
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* parameter and add a return address where the execution can continue after the |
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* signal handling, and return true. Otherwise, false will be returned. |
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* |
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* The parameters to this function correspond to those passed to a Posix signal |
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* handler. Use this function only on Linux and Mac. |
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* |
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* \param sig_code The signal code, e.g. SIGSEGV. |
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* \param info A pointer to the siginfo_t struct provided to the signal handler. |
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* \param context A pointer to a ucontext_t struct provided to the signal |
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* handler. |
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*/ |
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V8_EXPORT bool TryHandleWebAssemblyTrapPosix(int sig_code, siginfo_t* info, |
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void* context); |
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} // namespace v8 |
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#endif // V8_WASM_TRAP_HANDLER_POSIX_H_
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