Exception handler abstraction class

src/xenia/base/exception_handler_win.cc

@@ -0,0 +1,59 @@
+/**
+ ******************************************************************************
+ * 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. *
+ ******************************************************************************
+ */
+
+#include "xenia/base/exception_handler.h"
+
+#include "xenia/base/platform_win.h"
+
+namespace xe {
+std::vector<ExceptionHandler::Handler> ExceptionHandler::handlers_;
+
+LONG CALLBACK ExceptionHandlerCallback(PEXCEPTION_POINTERS ex_info) {
+  // Visual Studio SetThreadName
+  if (ex_info->ExceptionRecord->ExceptionCode == 0x406D1388) {
+    return EXCEPTION_CONTINUE_SEARCH;
+  }
+
+  auto code = ex_info->ExceptionRecord->ExceptionCode;
+  ExceptionHandler::Info info;
+  info.pc = ex_info->ContextRecord->Rip;
+  info.thread_context = ex_info->ContextRecord;
+
+  switch (code) {
+    case STATUS_ACCESS_VIOLATION:
+      info.code = ExceptionHandler::Info::kAccessViolation;
+      info.fault_address = ex_info->ExceptionRecord->ExceptionInformation[1];
+      break;
+  }
+
+  // Only call a handler if we support this type of exception.
+  if (info.code != ExceptionHandler::Info::kInvalidException) {
+    for (auto handler : ExceptionHandler::handlers()) {
+      if (handler(&info)) {
+        // Exception handled.
+        return EXCEPTION_CONTINUE_EXECUTION;
+      }
+    }
+  }
+
+  return EXCEPTION_CONTINUE_SEARCH;
+}
+
+bool ExceptionHandler::Initialize() {
+  AddVectoredExceptionHandler(0, ExceptionHandlerCallback);
+
+  // TODO: Do we need a continue handler if a debugger is attached?
+  return true;
+}
+
+uint32_t ExceptionHandler::Install(std::function<bool(Info* ex_info)> fn) {
+  handlers_.push_back(fn);
+  return 0;
+}
+}