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 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