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HistoryUnwind.h
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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 LLDB_SOURCE_PLUGINS_PROCESS_UTILITY_HISTORYUNWIND_H
10#define LLDB_SOURCE_PLUGINS_PROCESS_UTILITY_HISTORYUNWIND_H
11
12#include <vector>
13
14#include "lldb/Target/Unwind.h"
15#include "lldb/lldb-private.h"
16
17namespace lldb_private {
18
20public:
21 HistoryUnwind(Thread &thread, std::vector<lldb::addr_t> pcs,
22 bool pcs_are_call_addresses = false);
23
24 ~HistoryUnwind() override;
25
26protected:
27 void DoClear() override;
28
31
32 bool DoGetFrameInfoAtIndex(uint32_t frame_idx, lldb::addr_t &cfa,
34 bool &behaves_like_zeroth_frame) override;
35 uint32_t DoGetFrameCount() override;
36
37private:
38 std::vector<lldb::addr_t> m_pcs;
39 /// This boolean indicates that the PCs in the non-0 frames are call
40 /// addresses and not return addresses.
42};
43
44} // namespace lldb_private
45
46#endif // LLDB_SOURCE_PLUGINS_PROCESS_UTILITY_HISTORYUNWIND_H
bool m_pcs_are_call_addresses
This boolean indicates that the PCs in the non-0 frames are call addresses and not return addresses.
Definition: HistoryUnwind.h:41
lldb::RegisterContextSP DoCreateRegisterContextForFrame(StackFrame *frame) override
std::vector< lldb::addr_t > m_pcs
Definition: HistoryUnwind.h:38
uint32_t DoGetFrameCount() override
bool DoGetFrameInfoAtIndex(uint32_t frame_idx, lldb::addr_t &cfa, lldb::addr_t &pc, bool &behaves_like_zeroth_frame) override
This base class provides an interface to stack frames.
Definition: StackFrame.h:43
A class that represents a running process on the host machine.
uint64_t addr_t
Definition: lldb-types.h:80
std::shared_ptr< lldb_private::RegisterContext > RegisterContextSP
Definition: lldb-forward.h:389