swarm

builder-docker/jenkins/node-v12.22.8-linux-x64/include/node/v8-wasm-trap-handler-posix.h

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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_