Porting Opie to MacOS-X.

The base system and all platform independent applications and platforms
should work.
Please see $OPIEDIR/development/macosx for details

1 files changed, 112 insertions, 1 deletions

diff --git a/library/qlibrary_unix.cpp b/library/qlibrary_unix.cpp
index 7740321..0229b7b 100644
--- a/library/qlibrary_unix.cpp
+++ b/library/qlibrary_unix.cpp
@@ -1,132 +1,243 @@
 /**********************************************************************
 ** Copyright (C) 2000-2002 Trolltech AS.  All rights reserved.
 **
 ** This file is part of the Qtopia Environment.
 **
 ** This file may be distributed and/or modified under the terms of the
 ** GNU General Public License version 2 as published by the Free Software
 ** Foundation and appearing in the file LICENSE.GPL included in the
 ** packaging of this file.
 **
 ** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
 ** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
 **
 ** See http://www.trolltech.com/gpl/ for GPL licensing information.
 **
 ** Contact info@trolltech.com if any conditions of this licensing are
 ** not clear to you.
 **
 **********************************************************************/
 
 #include "qlibrary_p.h"
 
 #ifndef QT_NO_COMPONENT
 
 /*
   The platform dependent implementations of
   - loadLibrary
   - freeLibrary
   - resolveSymbol
 
   It's not too hard to guess what the functions do.
 */
 #if defined(Q_OS_HPUX)
 // for HP-UX < 11.x and 32 bit
 #include <dl.h>
 
 bool QLibraryPrivate::loadLibrary()
 {
     if ( pHnd )
 	return TRUE;
 
     QString filename = library->library();
 
     pHnd = (void*)shl_load( filename.latin1(), BIND_DEFERRED | BIND_NONFATAL | DYNAMIC_PATH, 0 );
 #if defined(QT_DEBUG) || defined(QT_DEBUG_COMPONENT)
     if ( !pHnd )
 	qDebug( "Failed to load library %s!", filename.latin1() );
 #endif
     return pHnd != 0;
 }
 
 bool QLibraryPrivate::freeLibrary()
 {
     if ( !pHnd )
 	return TRUE;
 
     if ( !shl_unload( (shl_t)pHnd ) ) {
 	pHnd = 0;
 	return TRUE;
     }
     return FALSE;
 }
 
 void* QLibraryPrivate::resolveSymbol( const char* symbol )
 {
     if ( !pHnd )
 	return 0;
 
     void* address = 0;
     if ( shl_findsym( (shl_t*)&pHnd, symbol, TYPE_UNDEFINED, address ) < 0 ) {
 #if defined(QT_DEBUG) || defined(QT_DEBUG_COMPONENT)
 	qDebug( "Couldn't resolve symbol \"%s\"", symbol );
 #endif
 	return 0;
     }
     return address;
 }
 
-#else // Q_OS_HPUX
+#elif defined(_NULL_LIB_)
+
+bool QLibraryPrivate::loadLibrary()
+{
+	//qDebug("QLibraryPrivate::loadLibrary\n");
+	return FALSE;
+}
+bool QLibraryPrivate::freeLibrary()
+{
+	//qDebug("QLibraryPrivate::freeLibrary\n");
+	return FALSE;
+}
+void* QLibraryPrivate::resolveSymbol( const char* symbol )
+{
+	//qDebug("QLibraryPrivate::resolveSymbol\n");
+	return FALSE;
+}
+
+#elif defined(Q_OS_MACX)
+
+#define ENUM_DYLD_BOOL
+enum DYLD_BOOL {
+	DYLD_FALSE,
+	DYLD_TRUE
+};
+#include <mach-o/dyld.h>
+typedef struct {
+	NSObjectFileImage img;
+	NSModule mod;
+} DyldLibDesc;
+
+bool QLibraryPrivate::loadLibrary()
+{
+	// qDebug("QLibraryPrivate::loadLibrary\n");
+	// return FALSE;
+    if ( pHnd )
+	return TRUE;
+
+    QString filename = library->library();
+
+    NSObjectFileImage img = 0;
+    NSModule mod = 0;
+    NSObjectFileImageReturnCode ret = NSCreateObjectFileImageFromFile( filename.latin1() , &img );
+    if ( ret != NSObjectFileImageSuccess ) {
+		qWarning( "Error in NSCreateObjectFileImageFromFile(): %d; Filename: %s", ret, filename.latin1() );
+		if (ret == NSObjectFileImageAccess) {
+			qWarning ("(NSObjectFileImageAccess)" );
+		}
+	} else {
+		mod = NSLinkModule(img, filename.latin1(), NSLINKMODULE_OPTION_BINDNOW |
+				                                    NSLINKMODULE_OPTION_PRIVATE |
+													NSLINKMODULE_OPTION_RETURN_ON_ERROR);
+		if (mod == 0) {
+			qWarning( "Error in NSLinkModule()" );
+			NSDestroyObjectFileImage(img);
+		}
+	}
+	DyldLibDesc* desc = 0;
+	if (img != 0 && mod != 0) {
+		desc = new DyldLibDesc;
+		desc->img = img;
+		desc->mod = mod;
+	}
+	pHnd = desc;
+    return pHnd != 0;
+}
+
+bool QLibraryPrivate::freeLibrary()
+{
+	//qDebug("QLibraryPrivate::freeLibrary\n");
+	//return FALSE;
+    if ( !pHnd )
+	return TRUE;
+
+	DyldLibDesc* desc = (DyldLibDesc*) pHnd;
+	NSModule mod = desc->mod;
+	NSObjectFileImage img = desc->img;
+	DYLD_BOOL success = NSUnLinkModule(mod, NSUNLINKMODULE_OPTION_NONE);
+	if ( success ) {
+	NSDestroyObjectFileImage(img);
+	delete desc;
+	pHnd = 0;
+	}
+#if defined(QT_DEBUG) || defined(QT_DEBUG_COMPONENT)
+    else {
+	    qWarning( "Error in NSUnLinkModule(): %d", ret );
+    }
+#endif
+    return pHnd == 0;
+}
+
+void* QLibraryPrivate::resolveSymbol( const char* symbol )
+{
+	//qDebug("QLibraryPrivate::resolveSymbol\n");
+	//return FALSE;
+    if ( !pHnd )
+	return 0;
+
+	DyldLibDesc* desc = (DyldLibDesc*) pHnd;
+	NSSymbol sym = NSLookupSymbolInModule(desc->mod, symbol);
+	void* address = 0;
+	if (sym != 0) {
+		address = NSAddressOfSymbol(sym);
+	}
+#if defined(QT_DEBUG) || defined(QT_DEBUG_COMPONENT)
+    if ( address == 0 )
+	qWarning( "Cannot find symbol: %s", symbol );
+#endif
+    return address;
+}
+
+#else
 // Something else, assuming POSIX
 #include <dlfcn.h>
 
 bool QLibraryPrivate::loadLibrary()
 {
     if ( pHnd )
 	return TRUE;
 
     QString filename = library->library();
 
     pHnd = dlopen( filename.latin1() , RTLD_LAZY );
 #if defined(QT_DEBUG) || defined(QT_DEBUG_COMPONENT)
     if ( !pHnd )
 	qWarning( "%s", dlerror() );
 #endif
     return pHnd != 0;
 }
 
 bool QLibraryPrivate::freeLibrary()
 {
     if ( !pHnd )
 	return TRUE;
 
     int ec = dlclose( pHnd );
     if ( !ec )
 	pHnd = 0;
 #if defined(QT_DEBUG) || defined(QT_DEBUG_COMPONENT)
     else {
 	const char* error = dlerror();
 	if ( error )
 	    qWarning( "%s", error );
     }
 #endif
     return pHnd == 0;
 }
 
 void* QLibraryPrivate::resolveSymbol( const char* f )
 {
     if ( !pHnd )
 	return 0;
 
     void* address = dlsym( pHnd, f );
 #if defined(QT_DEBUG) || defined(QT_DEBUG_COMPONENT)
     const char* error = dlerror();
     if ( error )
 	qWarning( "%s", error );
 #endif
     return address;
 }
 
 #endif // POSIX
 
 #endif // QT_NO_COMPONENT