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