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     ~UnwindAssembly() override;
  28
  29     virtual bool
  30     GetNonCallSiteUnwindPlanFromAssembly (AddressRange& func,
  31                                           Thread& thread,
  32                                           UnwindPlan& unwind_plan) = 0;
  33
  34     virtual bool
  35     AugmentUnwindPlanFromCallSite (AddressRange& func,
  36                                    Thread& thread,
  37                                    UnwindPlan& unwind_plan) = 0;
  38
  39     virtual bool
  40     GetFastUnwindPlan (AddressRange& func,
  41                        Thread& thread,
  42                        UnwindPlan &unwind_plan) = 0;
  43
  44     // thread may be NULL in which case we only use the Target (e.g. if this is called pre-process-launch).
  45     virtual bool
  46     FirstNonPrologueInsn (AddressRange& func,
  47                           const lldb_private::ExecutionContext &exe_ctx,
  48                           Address& first_non_prologue_insn) = 0;
  49
  50 protected:
  51     UnwindAssembly (const ArchSpec &arch);
  52     ArchSpec m_arch;
  53
  54 private:
  55     UnwindAssembly(); // Outlaw default constructor
  56     DISALLOW_COPY_AND_ASSIGN (UnwindAssembly);
  57 };
  58
  59 } // namespace lldb_private
  60
  61 #endif // utility_UnwindAssembly_h_