contrib/llvm/tools/lldb/include/lldb/Host/DynamicLibrary.h

   1 //===-- DynamicLibrary.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 liblldb_DynamicLibrary_h_
  11 #define liblldb_DynamicLibrary_h_
  12
  13 #include "lldb/Host/FileSpec.h"
  14 #include "lldb/Host/Host.h"
  15
  16 namespace lldb_private {
  17
  18 class DynamicLibrary
  19 {
  20 public:
  21     DynamicLibrary (const FileSpec& spec, uint32_t options = Host::eDynamicLibraryOpenOptionLazy |
  22                                                              Host::eDynamicLibraryOpenOptionLocal |
  23                                                              Host::eDynamicLibraryOpenOptionLimitGetSymbol);
  24
  25     ~DynamicLibrary ();
  26
  27     template <typename T = void*>
  28     T GetSymbol (const char* name)
  29     {
  30         Error err;
  31         if (!m_handle)
  32             return (T)NULL;
  33         void* symbol = Host::DynamicLibraryGetSymbol (m_handle, name, err);
  34         if (!symbol)
  35             return (T)NULL;
  36         return (T)symbol;
  37     }
  38
  39     bool
  40     IsValid ();
  41
  42 private:
  43     lldb_private::FileSpec m_filespec;
  44     void* m_handle;
  45
  46     DISALLOW_COPY_AND_ASSIGN (DynamicLibrary);
  47 };
  48
  49 } // namespace lldb_private
  50
  51 #endif  // liblldb_DynamicLibrary_h_