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+/*
+ * Copyright (C) 2013 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef _LIBBACKTRACE_UNWIND_PTRACE_H
+#define _LIBBACKTRACE_UNWIND_PTRACE_H
+
+#include <string>
+
+#include "BacktraceImpl.h"
+
+#include <libunwind.h>
+
+class UnwindPtrace : public BacktraceImpl {
+public:
+ UnwindPtrace();
+ virtual ~UnwindPtrace();
+
+ virtual bool Unwind(size_t num_ignore_frames);
+
+ virtual std::string GetFunctionNameRaw(uintptr_t pc, uintptr_t* offset);
+
+private:
+ unw_addr_space_t addr_space_;
+ struct UPT_info* upt_info_;
+};
+
+#endif // _LIBBACKTRACE_UNWIND_PTRACE_H