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1 //===-- UnwindAssembly.h --------------------------------*- C++ -*-===//
2 //
3 //                     The LLVM Compiler Infrastructure
4 //
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9 
10 #ifndef utility_UnwindAssembly_h_
11 #define utility_UnwindAssembly_h_
12 
13 #include "lldb/lldb-private.h"
14 #include "lldb/Core/ArchSpec.h"
15 #include "lldb/Core/PluginInterface.h"
16 
17 namespace lldb_private {
18 
19 class UnwindAssembly :
20    public PluginInterface
21 {
22 public:
23     static UnwindAssembly*
24     FindPlugin (const ArchSpec &arch);
25 
26     virtual
27     ~UnwindAssembly();
28 
29     virtual bool
30     GetNonCallSiteUnwindPlanFromAssembly (AddressRange& func,
31                                           Thread& thread,
32                                           UnwindPlan& unwind_plan) = 0;
33 
34     virtual bool
35     GetFastUnwindPlan (AddressRange& func,
36                        Thread& thread,
37                        UnwindPlan &unwind_plan) = 0;
38 
39     // thread may be NULL in which case we only use the Target (e.g. if this is called pre-process-launch).
40     virtual bool
41     FirstNonPrologueInsn (AddressRange& func,
42                           const lldb_private::ExecutionContext &exe_ctx,
43                           Address& first_non_prologue_insn) = 0;
44 
45 protected:
46     UnwindAssembly (const ArchSpec &arch);
47     ArchSpec m_arch;
48 
49 private:
50     UnwindAssembly(); // Outlaw default constructor
51     DISALLOW_COPY_AND_ASSIGN (UnwindAssembly);
52 };
53 
54 } // namespace lldb_private
55 
56 #endif //utility_UnwindAssembly_h_
57 
58 
59