1//===-- UnwindAssembly.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_TARGET_UNWINDASSEMBLY_H
10#define LLDB_TARGET_UNWINDASSEMBLY_H
11
12#include "lldb/Core/PluginInterface.h"
13#include "lldb/Utility/ArchSpec.h"
14#include "lldb/lldb-private.h"
15
16namespace lldb_private {
17
18class UnwindAssembly : public std::enable_shared_from_this<UnwindAssembly>,
19                       public PluginInterface {
20public:
21  static lldb::UnwindAssemblySP FindPlugin(const ArchSpec &arch);
22
23  virtual bool
24  GetNonCallSiteUnwindPlanFromAssembly(AddressRange &func, Thread &thread,
25                                       UnwindPlan &unwind_plan) = 0;
26
27  virtual bool AugmentUnwindPlanFromCallSite(AddressRange &func, Thread &thread,
28                                             UnwindPlan &unwind_plan) = 0;
29
30  virtual bool GetFastUnwindPlan(AddressRange &func, Thread &thread,
31                                 UnwindPlan &unwind_plan) = 0;
32
33  // thread may be NULL in which case we only use the Target (e.g. if this is
34  // called pre-process-launch).
35  virtual bool
36  FirstNonPrologueInsn(AddressRange &func,
37                       const lldb_private::ExecutionContext &exe_ctx,
38                       Address &first_non_prologue_insn) = 0;
39
40protected:
41  UnwindAssembly(const ArchSpec &arch);
42  ArchSpec m_arch;
43};
44
45} // namespace lldb_private
46
47#endif // LLDB_TARGET_UNWINDASSEMBLY_H
48