HistoryUnwind.h revision 360784 
1//===-- HistoryUnwind.h -----------------------------------------*- C++ -*-===//
2//
3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4// See https://llvm.org/LICENSE.txt for license information.
5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6//
7//===----------------------------------------------------------------------===//
8
9#ifndef liblldb_HistoryUnwind_h_
10#define liblldb_HistoryUnwind_h_
11
12#include <vector>
13
14#include "lldb/Target/Unwind.h"
15#include "lldb/lldb-private.h"
16
17namespace lldb_private {
18
19class HistoryUnwind : public lldb_private::Unwind {
20public:
21  HistoryUnwind(Thread &thread, std::vector<lldb::addr_t> pcs);
22
23  ~HistoryUnwind() override;
24
25protected:
26  void DoClear() override;
27
28  lldb::RegisterContextSP
29  DoCreateRegisterContextForFrame(StackFrame *frame) override;
30
31  bool DoGetFrameInfoAtIndex(uint32_t frame_idx, lldb::addr_t &cfa,
32                             lldb::addr_t &pc,
33                             bool &behaves_like_zeroth_frame) override;
34  uint32_t DoGetFrameCount() override;
35
36private:
37  std::vector<lldb::addr_t> m_pcs;
38};
39
40} // namespace lldb_private
41
42#endif // liblldb_HistoryUnwind_h_
43