diff options
Diffstat (limited to 'Source/kwsys/DynamicLoader.cxx')
| -rw-r--r-- | Source/kwsys/DynamicLoader.cxx | 154 |
1 files changed, 68 insertions, 86 deletions
diff --git a/Source/kwsys/DynamicLoader.cxx b/Source/kwsys/DynamicLoader.cxx index e0268c0..e494db6 100644 --- a/Source/kwsys/DynamicLoader.cxx +++ b/Source/kwsys/DynamicLoader.cxx @@ -12,20 +12,63 @@ #include "DynamicLoader.hxx.in" #endif -// This file is actually 3 different implementations. -// 1. HP machines which uses shl_load -// 2. Mac OS X 10.2.x and earlier which uses NSLinkModule -// 3. Windows which uses LoadLibrary -// 4. Most unix systems (including Mac OS X 10.3 and later) which use dlopen -// (default) Each part of the ifdef contains a complete implementation for +// This file actually contains several different implementations: +// * NOOP for environments without dynamic libs +// * HP machines which uses shl_load +// * Mac OS X 10.2.x and earlier which uses NSLinkModule +// * Windows which uses LoadLibrary +// * BeOS / Haiku +// * FreeMiNT for Atari +// * Default implementation for *NIX systems (including Mac OS X 10.3 and +// later) which use dlopen +// +// Each part of the ifdef contains a complete implementation for // the static methods of DynamicLoader. -// --------------------------------------------------------------- -// 1. Implementation for HPUX machines -#ifdef __hpux +#if !KWSYS_SUPPORTS_SHARED_LIBS +//---------------------------------------------------------------------------- +// Implementation for environments without dynamic libs +#include <string.h> // for strerror() + +namespace KWSYS_NAMESPACE { + +//---------------------------------------------------------------------------- +DynamicLoader::LibraryHandle DynamicLoader::OpenLibrary( + const std::string& libname) +{ + return 0; +} + +//---------------------------------------------------------------------------- +int DynamicLoader::CloseLibrary(DynamicLoader::LibraryHandle lib) +{ + if (!lib) { + return 0; + } + + return 1; +} + +//---------------------------------------------------------------------------- +DynamicLoader::SymbolPointer DynamicLoader::GetSymbolAddress( + DynamicLoader::LibraryHandle lib, const std::string& sym) +{ + return 0; +} + +//---------------------------------------------------------------------------- +const char* DynamicLoader::LastError() +{ + return "General error"; +} + +} // namespace KWSYS_NAMESPACE + +#elif defined(__hpux) +//---------------------------------------------------------------------------- +// Implementation for HPUX machines #include <dl.h> #include <errno.h> -#define DYNAMICLOADER_DEFINED 1 namespace KWSYS_NAMESPACE { @@ -88,15 +131,11 @@ const char* DynamicLoader::LastError() } // namespace KWSYS_NAMESPACE -#endif //__hpux - -// --------------------------------------------------------------- -// 2. Implementation for Mac OS X 10.2.x and earlier -#ifdef __APPLE__ -#if MAC_OS_X_VERSION_MAX_ALLOWED < 1030 +#elif defined(__APPLE__) && (MAC_OS_X_VERSION_MAX_ALLOWED < 1030) +//---------------------------------------------------------------------------- +// Implementation for Mac OS X 10.2.x and earlier #include <mach-o/dyld.h> #include <string.h> // for strlen -#define DYNAMICLOADER_DEFINED 1 namespace KWSYS_NAMESPACE { @@ -160,14 +199,10 @@ const char* DynamicLoader::LastError() } // namespace KWSYS_NAMESPACE -#endif // MAC_OS_X_VERSION_MAX_ALLOWED < 1030 -#endif // __APPLE__ - -// --------------------------------------------------------------- -// 3. Implementation for Windows win32 code but not cygwin -#if defined(_WIN32) && !defined(__CYGWIN__) +#elif defined(_WIN32) && !defined(__CYGWIN__) +//---------------------------------------------------------------------------- +// Implementation for Windows win32 code but not cygwin #include <windows.h> -#define DYNAMICLOADER_DEFINED 1 namespace KWSYS_NAMESPACE { @@ -263,19 +298,14 @@ const char* DynamicLoader::LastError() } // namespace KWSYS_NAMESPACE -#endif //_WIN32 - -// --------------------------------------------------------------- -// 4. Implementation for BeOS -#if defined __BEOS__ - +#elif defined(__BEOS__) +//---------------------------------------------------------------------------- +// Implementation for BeOS / Haiku #include <string.h> // for strerror() #include <be/kernel/image.h> #include <be/support/Errors.h> -#define DYNAMICLOADER_DEFINED 1 - namespace KWSYS_NAMESPACE { static image_id last_dynamic_err = B_OK; @@ -351,54 +381,10 @@ const char* DynamicLoader::LastError() } } // namespace KWSYS_NAMESPACE -#endif - -// --------------------------------------------------------------- -// 5. Implementation for systems without dynamic libs -// __gnu_blrts__ is IBM BlueGene/L -// __LIBCATAMOUNT__ is defined on Catamount on Cray compute nodes -#if defined(__gnu_blrts__) || defined(__LIBCATAMOUNT__) || \ - defined(__CRAYXT_COMPUTE_LINUX_TARGET) -#include <string.h> // for strerror() -#define DYNAMICLOADER_DEFINED 1 - -namespace KWSYS_NAMESPACE { - -//---------------------------------------------------------------------------- -DynamicLoader::LibraryHandle DynamicLoader::OpenLibrary( - const std::string& libname) -{ - return 0; -} +#elif defined(__MINT__) //---------------------------------------------------------------------------- -int DynamicLoader::CloseLibrary(DynamicLoader::LibraryHandle lib) -{ - if (!lib) { - return 0; - } - - return 1; -} - -//---------------------------------------------------------------------------- -DynamicLoader::SymbolPointer DynamicLoader::GetSymbolAddress( - DynamicLoader::LibraryHandle lib, const std::string& sym) -{ - return 0; -} - -//---------------------------------------------------------------------------- -const char* DynamicLoader::LastError() -{ - return "General error"; -} - -} // namespace KWSYS_NAMESPACE -#endif - -#ifdef __MINT__ -#define DYNAMICLOADER_DEFINED 1 +// Implementation for FreeMiNT on Atari #define _GNU_SOURCE /* for program_invocation_name */ #include <dld.h> #include <errno.h> @@ -447,14 +433,11 @@ const char* DynamicLoader::LastError() } } // namespace KWSYS_NAMESPACE -#endif -// --------------------------------------------------------------- -// 6. Implementation for default UNIX machines. -// if nothing has been defined then use this -#ifndef DYNAMICLOADER_DEFINED -#define DYNAMICLOADER_DEFINED 1 -// Setup for most unix machines +#else +//---------------------------------------------------------------------------- +// Default implementation for *NIX systems (including Mac OS X 10.3 and +// later) which use dlopen #include <dlfcn.h> namespace KWSYS_NAMESPACE { @@ -498,5 +481,4 @@ const char* DynamicLoader::LastError() } } // namespace KWSYS_NAMESPACE - #endif |