/////////////////////////////////////////////////////////////////////////////
-// Name: dynlib.cpp
+// Name: src/common/dynlib.cpp
// Purpose: Dynamic library management
// Author: Guilhem Lavaux
// Modified by:
// Created: 20/07/98
// RCS-ID: $Id$
-// Copyright: (c) Guilhem Lavaux
+// Copyright: (c) 1998 Guilhem Lavaux
+// 2000-2005 Vadim Zeitlin
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
+//FIXME: This class isn't really common at all, it should be moved into
+// platform dependent files (already done for Windows and Unix)
+
// ============================================================================
// declarations
// ============================================================================
// headers
// ----------------------------------------------------------------------------
-#ifdef __GNUG__
-# pragma implementation "dynlib.h"
-#endif
-
#include "wx/wxprec.h"
#ifdef __BORLANDC__
#if wxUSE_DYNLIB_CLASS
-#if defined(__WINDOWS__)
- #include "wx/msw/private.h"
-#endif
-
#include "wx/dynlib.h"
#include "wx/filefn.h"
#include "wx/intl.h"
#include "wx/app.h"
#include "wx/apptrait.h"
+#include "wx/arrimpl.cpp"
+
#if defined(__WXMAC__)
#include "wx/mac/private.h"
#endif
+WX_DEFINE_USER_EXPORTED_OBJARRAY(wxDynamicLibraryDetailsArray)
// ============================================================================
// implementation
// ============================================================================
-#if defined(__DARWIN__)
-// ---------------------------------------------------------------------------
-// For Darwin/Mac OS X
-// supply the sun style dlopen functions in terms of Darwin NS*
-// ---------------------------------------------------------------------------
-
-/* Porting notes:
- * The dlopen port is a port from dl_next.xs by Anno Siegel.
- * dl_next.xs is itself a port from dl_dlopen.xs by Paul Marquess.
- * The method used here is just to supply the sun style dlopen etc.
- * functions in terms of Darwin NS*.
- */
-
-#include <stdio.h>
-#include <mach-o/dyld.h>
-
-static char dl_last_error[1024];
-
-static
-void TranslateError(const char *path, int number)
-{
- unsigned int index;
- static char *OFIErrorStrings[] =
- {
- "%s(%d): Object Image Load Failure\n",
- "%s(%d): Object Image Load Success\n",
- "%s(%d): Not an recognisable object file\n",
- "%s(%d): No valid architecture\n",
- "%s(%d): Object image has an invalid format\n",
- "%s(%d): Invalid access (permissions?)\n",
- "%s(%d): Unknown error code from NSCreateObjectFileImageFromFile\n",
- };
-#define NUM_OFI_ERRORS (sizeof(OFIErrorStrings) / sizeof(OFIErrorStrings[0]))
-
- index = number;
- if (index > NUM_OFI_ERRORS - 1) {
- index = NUM_OFI_ERRORS - 1;
- }
- sprintf(dl_last_error, OFIErrorStrings[index], path, number);
-}
-
-const char *dlerror()
-{
- return dl_last_error;
-}
-
-void *dlopen(const char *path, int WXUNUSED(mode) /* mode is ignored */)
-{
- int dyld_result;
- NSObjectFileImage ofile;
- NSModule handle = NULL;
-
- dyld_result = NSCreateObjectFileImageFromFile(path, &ofile);
- if (dyld_result != NSObjectFileImageSuccess)
- {
- TranslateError(path, dyld_result);
- }
- else
- {
- // NSLinkModule will cause the run to abort on any link error's
- // not very friendly but the error recovery functionality is limited.
- handle = NSLinkModule(ofile, path, NSLINKMODULE_OPTION_BINDNOW);
- }
-
- return handle;
-}
-
-int dlclose(void *handle)
-{
- NSUnLinkModule( handle, NSUNLINKMODULE_OPTION_NONE);
- return 0;
-}
-
-void *dlsym(void *handle, const char *symbol)
-{
- void *addr;
-
- NSSymbol nsSymbol = NSLookupSymbolInModule( handle , symbol ) ;
-
- if ( nsSymbol)
- {
- addr = NSAddressOfSymbol(nsSymbol);
- }
- else
- {
- addr = NULL;
- }
- return addr;
-}
-
-#endif // defined(__DARWIN__)
-
-
// ---------------------------------------------------------------------------
// wxDynamicLibrary
// ---------------------------------------------------------------------------
-//FIXME: This class isn't really common at all, it should be moved into
-// platform dependent files.
-
-#if defined(__WINDOWS__) || defined(__WXPM__) || defined(__EMX__)
+#if defined(__WXPM__) || defined(__EMX__)
const wxChar *wxDynamicLibrary::ms_dllext = _T(".dll");
-#elif defined(__UNIX__)
- #if defined(__HPUX__)
- const wxChar *wxDynamicLibrary::ms_dllext = _T(".sl");
- #else
- const wxChar *wxDynamicLibrary::ms_dllext = _T(".so");
- #endif
+#elif defined(__WXMAC__) && !defined(__DARWIN__)
+ const wxChar *wxDynamicLibrary::ms_dllext = wxEmptyString;
#endif
+// for MSW/Unix it is defined in platform-specific file
+#if !(defined(__WXMSW__) || defined(__UNIX__)) || defined(__EMX__)
+
wxDllType wxDynamicLibrary::GetProgramHandle()
{
-#if defined( HAVE_DLOPEN ) && !defined(__EMX__)
- return dlopen(0, RTLD_LAZY);
-#elif defined (HAVE_SHL_LOAD)
- return PROG_HANDLE;
-#else
- wxFAIL_MSG( wxT("This method is not implemented under Windows or OS/2"));
+ wxFAIL_MSG( wxT("GetProgramHandle() is not implemented under this platform"));
return 0;
-#endif
}
-bool wxDynamicLibrary::Load(wxString libname, int flags)
+#endif // __WXMSW__ || __UNIX__
+
+
+bool wxDynamicLibrary::Load(const wxString& libnameOrig, int flags)
{
wxASSERT_MSG(m_handle == 0, _T("Library already loaded."));
// add the proper extension for the DLL ourselves unless told not to
+ wxString libname = libnameOrig;
if ( !(flags & wxDL_VERBATIM) )
{
// and also check that the libname doesn't already have it
&myMainAddr,
myErrName ) != noErr )
{
- p2cstr( myErrName );
wxLogSysError( _("Failed to load shared library '%s' Error '%s'"),
libname.c_str(),
- (char*)myErrName );
+ wxMacMakeStringFromPascal( myErrName ).c_str() );
m_handle = 0;
}
#elif defined(__WXPM__) || defined(__EMX__)
char err[256] = "";
- DosLoadModule(err, sizeof(err), libname.c_str(), &m_handle);
-
-#elif defined(HAVE_DLOPEN) || defined(__DARWIN__)
-
-#if defined(__VMS) || defined(__DARWIN__)
- m_handle = dlopen(libname.c_str(), 0); // The second parameter is ignored
-#else // !__VMS && !__DARWIN__
- int rtldFlags = 0;
-
- if ( flags & wxDL_LAZY )
- {
- wxASSERT_MSG( (flags & wxDL_NOW) == 0,
- _T("wxDL_LAZY and wxDL_NOW are mutually exclusive.") );
-#ifdef RTLD_LAZY
- rtldFlags |= RTLD_LAZY;
-#else
- wxLogDebug(_T("wxDL_LAZY is not supported on this platform"));
-#endif
- }
- else if ( flags & wxDL_NOW )
- {
-#ifdef RTLD_NOW
- rtldFlags |= RTLD_NOW;
-#else
- wxLogDebug(_T("wxDL_NOW is not supported on this platform"));
-#endif
- }
-
- if ( flags & wxDL_GLOBAL )
- {
-#ifdef RTLD_GLOBAL
- rtldFlags |= RTLD_GLOBAL;
-#else
- wxLogDebug(_T("RTLD_GLOBAL is not supported on this platform."));
-#endif
- }
-
- m_handle = dlopen(libname.fn_str(), rtldFlags);
-#endif // __VMS || __DARWIN__ ?
-
-#elif defined(HAVE_SHL_LOAD)
- int shlFlags = 0;
-
- if( flags & wxDL_LAZY )
- {
- wxASSERT_MSG( (flags & wxDL_NOW) == 0,
- _T("wxDL_LAZY and wxDL_NOW are mutually exclusive.") );
- shlFlags |= BIND_DEFERRED;
- }
- else if( flags & wxDL_NOW )
- {
- shlFlags |= BIND_IMMEDIATE;
- }
- m_handle = shl_load(libname.fn_str(), BIND_DEFERRED, 0);
-
-#elif defined(__WINDOWS__)
- m_handle = ::LoadLibrary(libname.c_str());
-#else
- #error "runtime shared lib support not implemented on this platform"
+ DosLoadModule(err, sizeof(err), (PSZ)libname.c_str(), &m_handle);
+#else // this should be the only remaining branch eventually
+ m_handle = RawLoad(libname, flags);
#endif
if ( m_handle == 0 )
{
- wxString msg(_("Failed to load shared library '%s'"));
-#if defined(HAVE_DLERROR) && !defined(__EMX__)
-
-#if wxUSE_UNICODE
- wxWCharBuffer buffer = wxConvLocal.cMB2WC( dlerror() );
- const wxChar *err = buffer;
-#else
- const wxChar *err = dlerror();
-#endif
-
- if( err )
- wxLogError( msg, err );
+#ifdef wxHAVE_DYNLIB_ERROR
+ Error();
#else
- wxLogSysError( msg, libname.c_str() );
+ wxLogSysError(_("Failed to load shared library '%s'"), libname.c_str());
#endif
}
return IsLoaded();
}
-void wxDynamicLibrary::Unload()
+// for MSW and Unix this is implemented in the platform-specific file
+//
+// TODO: move the rest to os2/dlpm.cpp and mac/dlmac.cpp!
+#if (!defined(__WXMSW__) && !defined(__UNIX__)) || defined(__EMX__)
+
+/* static */
+void wxDynamicLibrary::Unload(wxDllType handle)
{
- if( IsLoaded() )
- {
-#if defined(__WXPM__) || defined(__EMX__)
- DosFreeModule( m_handle );
-#elif defined(HAVE_DLOPEN) || defined(__DARWIN__)
- dlclose( m_handle );
-#elif defined(HAVE_SHL_LOAD)
- shl_unload( m_handle );
-#elif defined(__WINDOWS__)
- ::FreeLibrary( m_handle );
+#if defined(__OS2__) || defined(__EMX__)
+ DosFreeModule( handle );
#elif defined(__WXMAC__) && !defined(__DARWIN__)
- CloseConnection( (CFragConnectionID*) &m_handle );
+ CloseConnection( (CFragConnectionID*) &handle );
#else
-#error "runtime shared lib support not implemented"
+ #error "runtime shared lib support not implemented"
#endif
- m_handle = 0;
- }
}
-void *wxDynamicLibrary::GetSymbol(const wxString &name, bool *success) const
+#endif // !(__WXMSW__ || __UNIX__)
+
+void *wxDynamicLibrary::DoGetSymbol(const wxString &name, bool *success) const
{
wxCHECK_MSG( IsLoaded(), NULL,
_T("Can't load symbol from unloaded library") );
- bool failed = FALSE;
void *symbol = 0;
+ wxUnusedVar(symbol);
#if defined(__WXMAC__) && !defined(__DARWIN__)
Ptr symAddress;
CFragSymbolClass symClass;
Str255 symName;
#if TARGET_CARBON
- c2pstrcpy( (StringPtr) symName, name );
+ c2pstrcpy( (StringPtr) symName, name.fn_str() );
#else
- strcpy( (char *)symName, name );
+ strcpy( (char *)symName, name.fn_str() );
c2pstr( (char *)symName );
#endif
- if( FindSymbol( dllHandle, symName, &symAddress, &symClass ) == noErr )
+ if( FindSymbol( m_handle, symName, &symAddress, &symClass ) == noErr )
symbol = (void *)symAddress;
-
#elif defined(__WXPM__) || defined(__EMX__)
- DosQueryProcAddr( m_handle, 1L, name.c_str(), (PFN*)symbol );
-
-#elif defined(HAVE_DLOPEN) || defined(__DARWIN__)
- symbol = dlsym( m_handle, name.fn_str() );
-
-#elif defined(HAVE_SHL_LOAD)
- // use local variable since shl_findsym modifies the handle argument
- // to indicate where the symbol was found (GD)
- wxDllType the_handle = m_handle;
- if( shl_findsym( &the_handle, name.fn_str(), TYPE_UNDEFINED, &symbol ) != 0 )
- symbol = 0;
-
-#elif defined(__WINDOWS__)
- symbol = (void*) ::GetProcAddress( m_handle, name.mb_str() );
-
+ DosQueryProcAddr( m_handle, 1L, (PSZ)name.c_str(), (PFN*)symbol );
#else
-#error "runtime shared lib support not implemented"
+ symbol = RawGetSymbol(m_handle, name);
#endif
- if ( !symbol )
- {
-#if defined(HAVE_DLERROR) && !defined(__EMX__)
+ if ( success )
+ *success = symbol != NULL;
-#if wxUSE_UNICODE
- wxWCharBuffer buffer = wxConvLocal.cMB2WC( dlerror() );
- const wxChar *err = buffer;
-#else
- const wxChar *err = dlerror();
-#endif
+ return symbol;
+}
- if( err )
- {
- wxLogError(wxT("%s"), err);
- }
+void *wxDynamicLibrary::GetSymbol(const wxString& name, bool *success) const
+{
+ void *symbol = DoGetSymbol(name, success);
+ if ( !symbol )
+ {
+#ifdef wxHAVE_DYNLIB_ERROR
+ Error();
#else
- failed = TRUE;
wxLogSysError(_("Couldn't find symbol '%s' in a dynamic library"),
name.c_str());
#endif
}
- if( success )
- *success = !failed;
return symbol;
}
-
+
+// ----------------------------------------------------------------------------
+// informational methods
+// ----------------------------------------------------------------------------
/*static*/
-wxString wxDynamicLibrary::CanonicalizeName(const wxString& name,
- wxDynamicLibraryCategory cat)
+wxString
+wxDynamicLibrary::CanonicalizeName(const wxString& name,
+ wxDynamicLibraryCategory cat)
{
-#ifdef __UNIX__
- if ( cat == wxDL_MODULE )
- return name + GetDllExt();
- else
- return wxString(_T("lib")) + name + GetDllExt();
-#else
- return name + GetDllExt();
-#endif
+ wxString nameCanonic;
+
+ // under Unix the library names usually start with "lib" prefix, add it
+#if defined(__UNIX__) && !defined(__EMX__)
+ switch ( cat )
+ {
+ default:
+ wxFAIL_MSG( _T("unknown wxDynamicLibraryCategory value") );
+ // fall through
+
+ case wxDL_MODULE:
+ // don't do anything for modules, their names are arbitrary
+ break;
+
+ case wxDL_LIBRARY:
+ // library names should start with "lib" under Unix
+ nameCanonic = _T("lib");
+ break;
+ }
+#else // !__UNIX__
+ wxUnusedVar(cat);
+#endif // __UNIX__/!__UNIX__
+
+ nameCanonic << name << GetDllExt();
+ return nameCanonic;
}
/*static*/
{
wxAppTraits *traits = wxAppConsole::GetInstance() ?
wxAppConsole::GetInstance()->GetTraits() : NULL;
- wxASSERT_MSG( traits,
- _("can't query for GUI plugins name in console applications") );
+ wxCHECK_MSG( traits, _T(""),
+ _("can't query for GUI plugins name in console applications") );
suffix = traits->GetToolkitInfo().shortName;
}
#if wxUSE_UNICODE
if ( !suffix.empty() )
suffix = wxString(_T("_")) + suffix;
-#ifdef __UNIX__
+#define WXSTRINGIZE(x) #x
+#if defined(__UNIX__) && !defined(__EMX__)
#if (wxMINOR_VERSION % 2) == 0
- #define wxDLLVER(x,y,z) "-" #x "." #y
+ #define wxDLLVER(x,y,z) "-" WXSTRINGIZE(x) "." WXSTRINGIZE(y)
#else
- #define wxDLLVER(x,y,z) "-" #x "." #y "." #z
+ #define wxDLLVER(x,y,z) "-" WXSTRINGIZE(x) "." WXSTRINGIZE(y) "." WXSTRINGIZE(z)
#endif
#else
#if (wxMINOR_VERSION % 2) == 0
- #define wxDLLVER(x,y,z) #x #y
+ #define wxDLLVER(x,y,z) WXSTRINGIZE(x) WXSTRINGIZE(y)
#else
- #define wxDLLVER(x,y,z) #x #y #z
+ #define wxDLLVER(x,y,z) WXSTRINGIZE(x) WXSTRINGIZE(y) WXSTRINGIZE(z)
#endif
#endif
+
suffix << wxString::FromAscii(wxDLLVER(wxMAJOR_VERSION, wxMINOR_VERSION,
wxRELEASE_NUMBER));
#undef wxDLLVER
+#undef WXSTRINGIZE
+
+#ifdef __WINDOWS__
+ // Add compiler identification:
+ #if defined(__GNUG__)
+ suffix << _T("_gcc");
+ #elif defined(__VISUALC__)
+ suffix << _T("_vc");
+ #elif defined(__WATCOMC__)
+ suffix << _T("_wat");
+ #elif defined(__BORLANDC__)
+ suffix << _T("_bcc");
+ #endif
+#endif
return CanonicalizeName(name + suffix, wxDL_MODULE);
}
-
+
/*static*/
wxString wxDynamicLibrary::GetPluginsDirectory()
{
#ifdef __UNIX__
wxString format = wxGetInstallPrefix();
+ wxString dir;
format << wxFILE_SEP_PATH
<< wxT("lib") << wxFILE_SEP_PATH
<< wxT("wx") << wxFILE_SEP_PATH
+#if (wxMINOR_VERSION % 2) == 0
<< wxT("%i.%i");
- wxString dir;
dir.Printf(format.c_str(), wxMAJOR_VERSION, wxMINOR_VERSION);
- return dir;
#else
+ << wxT("%i.%i.%i");
+ dir.Printf(format.c_str(),
+ wxMAJOR_VERSION, wxMINOR_VERSION, wxRELEASE_NUMBER);
+#endif
+ return dir;
+
+#else // ! __UNIX__
return wxEmptyString;
#endif
}
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