1 //===-- UnwindAssembly-x86.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_UNWINDASSEMBLY_X86_UNWINDASSEMBLY_X86_H
10 #define LLDB_SOURCE_PLUGINS_UNWINDASSEMBLY_X86_UNWINDASSEMBLY_X86_H
11 
12 #include "x86AssemblyInspectionEngine.h"
13 
14 #include "lldb/Target/UnwindAssembly.h"
15 #include "lldb/lldb-private.h"
16 
17 class UnwindAssembly_x86 : public lldb_private::UnwindAssembly {
18 public:
19   ~UnwindAssembly_x86() override;
20 
21   bool GetNonCallSiteUnwindPlanFromAssembly(
22       lldb_private::AddressRange &func, lldb_private::Thread &thread,
23       lldb_private::UnwindPlan &unwind_plan) override;
24 
25   bool
26   AugmentUnwindPlanFromCallSite(lldb_private::AddressRange &func,
27                                 lldb_private::Thread &thread,
28                                 lldb_private::UnwindPlan &unwind_plan) override;
29 
30   bool GetFastUnwindPlan(lldb_private::AddressRange &func,
31                          lldb_private::Thread &thread,
32                          lldb_private::UnwindPlan &unwind_plan) override;
33 
34   // thread may be NULL in which case we only use the Target (e.g. if this is
35   // called pre-process-launch).
36   bool
37   FirstNonPrologueInsn(lldb_private::AddressRange &func,
38                        const lldb_private::ExecutionContext &exe_ctx,
39                        lldb_private::Address &first_non_prologue_insn) override;
40 
41   static lldb_private::UnwindAssembly *
42   CreateInstance(const lldb_private::ArchSpec &arch);
43 
44   // PluginInterface protocol
45   static void Initialize();
46 
47   static void Terminate();
48 
49   static llvm::StringRef GetPluginNameStatic() { return "x86"; }
50 
51   static llvm::StringRef GetPluginDescriptionStatic();
52 
53   llvm::StringRef GetPluginName() override { return GetPluginNameStatic(); }
54 
55 private:
56   UnwindAssembly_x86(const lldb_private::ArchSpec &arch);
57 
58   lldb_private::ArchSpec m_arch;
59 
60   lldb_private::x86AssemblyInspectionEngine *m_assembly_inspection_engine;
61 };
62 
63 #endif // LLDB_SOURCE_PLUGINS_UNWINDASSEMBLY_X86_UNWINDASSEMBLY_X86_H
64