contrib/llvm/tools/lldb/include/lldb/Target/UnwindAssembly.h

   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 std::enable_shared_from_this<UnwindAssembly>,
  21    public PluginInterface
  22 {
  23 public:
  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     AugmentUnwindPlanFromCallSite (AddressRange& func,
  37                                    Thread& thread,
  38                                    UnwindPlan& unwind_plan) = 0;
  39
  40     virtual bool
  41     GetFastUnwindPlan (AddressRange& func,
  42                        Thread& thread,
  43                        UnwindPlan &unwind_plan) = 0;
  44
  45     // thread may be NULL in which case we only use the Target (e.g. if this is called pre-process-launch).
  46     virtual bool
  47     FirstNonPrologueInsn (AddressRange& func,
  48                           const lldb_private::ExecutionContext &exe_ctx,
  49                           Address& first_non_prologue_insn) = 0;
  50
  51 protected:
  52     UnwindAssembly (const ArchSpec &arch);
  53     ArchSpec m_arch;
  54
  55 private:
  56     UnwindAssembly(); // Outlaw default constructor
  57     DISALLOW_COPY_AND_ASSIGN (UnwindAssembly);
  58 };
  59
  60 } // namespace lldb_private
  61
  62 #endif //utility_UnwindAssembly_h_
  63
  64