X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/a8eaaeb23796c69ea0f67cbd48fc5f667d9823d0..12e8247795963d724765d3108aeac5b96dbee83a:/src/common/dynlib.cpp?ds=sidebyside diff --git a/src/common/dynlib.cpp b/src/common/dynlib.cpp index 1ba9660c9f..ae754bc9c3 100644 --- a/src/common/dynlib.cpp +++ b/src/common/dynlib.cpp @@ -1,14 +1,18 @@ ///////////////////////////////////////////////////////////////////////////// -// 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 // ============================================================================ @@ -17,167 +21,67 @@ // headers // ---------------------------------------------------------------------------- -#ifdef __GNUG__ -# pragma implementation "dynlib.h" -#endif - #include "wx/wxprec.h" #ifdef __BORLANDC__ - #pragma hdrstop + #pragma hdrstop #endif #if wxUSE_DYNLIB_CLASS -#if defined(__WINDOWS__) - #include "wx/msw/private.h" -#endif - #include "wx/dynlib.h" + +#ifndef WX_PRECOMP + #include "wx/intl.h" + #include "wx/log.h" + #include "wx/app.h" + #include "wx/utils.h" +#endif //WX_PRECOMP + #include "wx/filefn.h" -#include "wx/intl.h" -#include "wx/log.h" -#include "wx/utils.h" #include "wx/filename.h" // for SplitPath() -#include "wx/app.h" -#include "wx/apptrait.h" +#include "wx/platinfo.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 -#include - -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 @@ -208,200 +112,132 @@ bool wxDynamicLibrary::Load(wxString libname, int flags) &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] = ""; + 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" +#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() ); - #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*/ @@ -411,11 +247,7 @@ wxString wxDynamicLibrary::CanonicalizePluginName(const wxString& name, wxString suffix; if ( cat == wxDL_PLUGIN_GUI ) { - wxAppTraits *traits = wxAppConsole::GetInstance() ? - wxAppConsole::GetInstance()->GetTraits() : NULL; - wxASSERT_MSG( traits, - _("can't query for GUI plugins name in console applications") ); - suffix = traits->GetToolkitInfo()->shortName; + suffix = wxPlatformInfo::Get().GetPortIdShortName(); } #if wxUSE_UNICODE suffix << _T('u'); @@ -427,39 +259,62 @@ wxString wxDynamicLibrary::CanonicalizePluginName(const wxString& name, 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 }