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/Core/PluginInterface.h"
  14 #include "lldb/Utility/ArchSpec.h"
  15 #include "lldb/lldb-private.h"
  16
  17 namespace lldb_private {
  18
  19 class UnwindAssembly : public std::enable_shared_from_this<UnwindAssembly>,
  20                        public PluginInterface {
  21 public:
  22   static lldb::UnwindAssemblySP FindPlugin(const ArchSpec &arch);
  23
  24   ~UnwindAssembly() override;
  25
  26   virtual bool
  27   GetNonCallSiteUnwindPlanFromAssembly(AddressRange &func, Thread &thread,
  28                                        UnwindPlan &unwind_plan) = 0;
  29
  30   virtual bool AugmentUnwindPlanFromCallSite(AddressRange &func, Thread &thread,
  31                                              UnwindPlan &unwind_plan) = 0;
  32
  33   virtual bool GetFastUnwindPlan(AddressRange &func, Thread &thread,
  34                                  UnwindPlan &unwind_plan) = 0;
  35
  36   // thread may be NULL in which case we only use the Target (e.g. if this is
  37   // called pre-process-launch).
  38   virtual bool
  39   FirstNonPrologueInsn(AddressRange &func,
  40                        const lldb_private::ExecutionContext &exe_ctx,
  41                        Address &first_non_prologue_insn) = 0;
  42
  43 protected:
  44   UnwindAssembly(const ArchSpec &arch);
  45   ArchSpec m_arch;
  46
  47 private:
  48   UnwindAssembly(); // Outlaw default constructor
  49   DISALLOW_COPY_AND_ASSIGN(UnwindAssembly);
  50 };
  51
  52 } // namespace lldb_private
  53
  54 #endif // utility_UnwindAssembly_h_