47 lines
1.4 KiB
C++
47 lines
1.4 KiB
C++
//===-- HistoryUnwind.h -----------------------------------------*- C++ -*-===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLDB_SOURCE_PLUGINS_PROCESS_UTILITY_HISTORYUNWIND_H
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#define LLDB_SOURCE_PLUGINS_PROCESS_UTILITY_HISTORYUNWIND_H
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#include <vector>
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#include "lldb/Target/Unwind.h"
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#include "lldb/lldb-private.h"
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namespace lldb_private {
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class HistoryUnwind : public lldb_private::Unwind {
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public:
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HistoryUnwind(Thread &thread, std::vector<lldb::addr_t> pcs,
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bool pcs_are_call_addresses = false);
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~HistoryUnwind() override;
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protected:
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void DoClear() override;
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lldb::RegisterContextSP
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DoCreateRegisterContextForFrame(StackFrame *frame) override;
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bool DoGetFrameInfoAtIndex(uint32_t frame_idx, lldb::addr_t &cfa,
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lldb::addr_t &pc,
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bool &behaves_like_zeroth_frame) override;
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uint32_t DoGetFrameCount() override;
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private:
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std::vector<lldb::addr_t> m_pcs;
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/// This boolean indicates that the PCs in the non-0 frames are call
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/// addresses and not return addresses.
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bool m_pcs_are_call_addresses;
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};
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} // namespace lldb_private
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#endif // LLDB_SOURCE_PLUGINS_PROCESS_UTILITY_HISTORYUNWIND_H
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