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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)
-
- 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_
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