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 
16 namespace lldb_private {
17 
18 class UnwindAssembly : public std::enable_shared_from_this<UnwindAssembly>,
19                        public PluginInterface {
20 public:
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 
40 protected:
41   UnwindAssembly(const ArchSpec &arch);
42   ArchSpec m_arch;
43 };
44 
45 } // namespace lldb_private
46 
47 #endif // LLDB_TARGET_UNWINDASSEMBLY_H
48