UnwindAssembly.h revision 269024 
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
17namespace lldb_private {
18
19class UnwindAssembly :
20   public std::enable_shared_from_this<UnwindAssembly>,
21   public PluginInterface
22{
23public:
24    static lldb::UnwindAssemblySP
25    FindPlugin (const ArchSpec &arch);
26
27    virtual
28    ~UnwindAssembly();
29
30    virtual bool
31    GetNonCallSiteUnwindPlanFromAssembly (AddressRange& func,
32                                          Thread& thread,
33                                          UnwindPlan& unwind_plan) = 0;
34
35    virtual bool
36    GetFastUnwindPlan (AddressRange& func,
37                       Thread& thread,
38                       UnwindPlan &unwind_plan) = 0;
39
40    // thread may be NULL in which case we only use the Target (e.g. if this is called pre-process-launch).
41    virtual bool
42    FirstNonPrologueInsn (AddressRange& func,
43                          const lldb_private::ExecutionContext &exe_ctx,
44                          Address& first_non_prologue_insn) = 0;
45
46protected:
47    UnwindAssembly (const ArchSpec &arch);
48    ArchSpec m_arch;
49
50private:
51    UnwindAssembly(); // Outlaw default constructor
52    DISALLOW_COPY_AND_ASSIGN (UnwindAssembly);
53};
54
55} // namespace lldb_private
56
57#endif //utility_UnwindAssembly_h_
58
59
60