summaryrefslogtreecommitdiff
path: root/Source/JavaScriptCore/ftl/FTLExceptionTarget.h
diff options
context:
space:
mode:
Diffstat (limited to 'Source/JavaScriptCore/ftl/FTLExceptionTarget.h')
-rw-r--r--Source/JavaScriptCore/ftl/FTLExceptionTarget.h68
1 files changed, 68 insertions, 0 deletions
diff --git a/Source/JavaScriptCore/ftl/FTLExceptionTarget.h b/Source/JavaScriptCore/ftl/FTLExceptionTarget.h
new file mode 100644
index 000000000..c338bb466
--- /dev/null
+++ b/Source/JavaScriptCore/ftl/FTLExceptionTarget.h
@@ -0,0 +1,68 @@
+/*
+ * Copyright (C) 2016 Apple Inc. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
+ * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef FTLExceptionTarget_h
+#define FTLExceptionTarget_h
+
+#include "DFGCommon.h"
+
+#if ENABLE(FTL_JIT)
+
+#include "CCallHelpers.h"
+#include "FTLOSRExitHandle.h"
+#include <wtf/Box.h>
+#include <wtf/ThreadSafeRefCounted.h>
+
+namespace JSC { namespace FTL {
+
+class State;
+
+class ExceptionTarget : public ThreadSafeRefCounted<ExceptionTarget> {
+public:
+ ~ExceptionTarget();
+
+ // It's OK to call this during linking, but not any sooner.
+ CodeLocationLabel label(LinkBuffer&);
+
+ // Or, you can get a JumpList at any time. Anything you add to this JumpList will be linked to
+ // the target's label.
+ Box<CCallHelpers::JumpList> jumps(CCallHelpers&);
+
+private:
+ friend class PatchpointExceptionHandle;
+
+ ExceptionTarget(bool isDefaultHandler, Box<CCallHelpers::Label>, RefPtr<OSRExitHandle>);
+
+ bool m_isDefaultHandler;
+ Box<CCallHelpers::Label> m_defaultHandler;
+ RefPtr<OSRExitHandle> m_handle;
+};
+
+} } // namespace JSC::FTL
+
+#endif // ENABLE(FTL_JIT)
+
+#endif // FTLExceptionTarget_h
+