Exception handler abstraction class

src/xenia/base/exception_handler.h

@@ -0,0 +1,49 @@
+/**
+ ******************************************************************************
+ * Xenia : Xbox 360 Emulator Research Project                                 *
+ ******************************************************************************
+ * Copyright 2015 Ben Vanik. All rights reserved.                             *
+ * Released under the BSD license - see LICENSE in the root for more details. *
+ ******************************************************************************
+ */
+
+#ifndef XENIA_BASE_EXCEPTION_HANDLER_H_
+#define XENIA_BASE_EXCEPTION_HANDLER_H_
+
+#include <functional>
+#include <vector>
+
+namespace xe {
+class ExceptionHandler {
+ public:
+  struct Info {
+    enum {
+      kInvalidException = 0,
+      kAccessViolation,
+    } code = kInvalidException;
+
+    uint64_t pc = 0;  // Program counter address. RIP on x64.
+    uint64_t fault_address =
+        0;  // In case of AV, address that was read from/written to.
+
+    void* thread_context = nullptr;  // Platform-specific thread context info.
+  };
+  typedef std::function<bool(Info* ex_info)> Handler;
+
+  // Static initialization. Only call this once!
+  static bool Initialize();
+
+  // Install an exception handler. Returns an ID which you can save to remove
+  // this later. This will install the exception handler in the last place
+  // on Windows.
+  static uint32_t Install(Handler fn);
+  static bool Remove(uint32_t id);
+
+  static const std::vector<Handler>& handlers() { return handlers_; }
+
+ private:
+  static std::vector<Handler> handlers_;
+};
+};  // namespace xe
+
+#endif  // XENIA_BASE_EXCEPTION_HANDLER_H_