| -rw-r--r-- | library/qlibrary_unix.cpp | 113 |
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 |