diff options
Diffstat (limited to 'unix/tclLoadDyld.c')
-rw-r--r-- | unix/tclLoadDyld.c | 308 |
1 files changed, 114 insertions, 194 deletions
diff --git a/unix/tclLoadDyld.c b/unix/tclLoadDyld.c index 35f732d..50c283d 100644 --- a/unix/tclLoadDyld.c +++ b/unix/tclLoadDyld.c @@ -11,49 +11,41 @@ * * See the file "license.terms" for information on usage and redistribution of * this file, and for a DISCLAIMER OF ALL WARRANTIES. - * - * RCS: @(#) $Id: tclLoadDyld.c,v 1.37 2010/04/05 07:38:08 dkf Exp $ */ #include "tclInt.h" #ifndef MODULE_SCOPE -#define MODULE_SCOPE extern +# define MODULE_SCOPE extern #endif -#ifndef TCL_DYLD_USE_DLFCN /* * Use preferred dlfcn API on 10.4 and later */ -# if !defined(NO_DLFCN_H) && MAC_OS_X_VERSION_MAX_ALLOWED >= 1040 -# define TCL_DYLD_USE_DLFCN 1 -# else + +#ifndef TCL_DYLD_USE_DLFCN +# ifdef NO_DLFCN_H # define TCL_DYLD_USE_DLFCN 0 +# else +# define TCL_DYLD_USE_DLFCN 1 # endif #endif -#ifndef TCL_DYLD_USE_NSMODULE + /* * Use deprecated NSModule API only to support 10.3 and earlier: */ -# if MAC_OS_X_VERSION_MIN_REQUIRED < 1040 -# define TCL_DYLD_USE_NSMODULE 1 -# else -# define TCL_DYLD_USE_NSMODULE 0 -# endif + +#ifndef TCL_DYLD_USE_NSMODULE +# define TCL_DYLD_USE_NSMODULE 0 #endif -#if TCL_DYLD_USE_DLFCN -#include <dlfcn.h> -#if defined(HAVE_WEAK_IMPORT) && MAC_OS_X_VERSION_MIN_REQUIRED < 1040 /* - * Support for weakly importing dlfcn API. + * Use includes for the API we're using. */ -extern void *dlopen(const char *path, int mode) WEAK_IMPORT_ATTRIBUTE; -extern void *dlsym(void *handle, const char *symbol) WEAK_IMPORT_ATTRIBUTE; -extern int dlclose(void *handle) WEAK_IMPORT_ATTRIBUTE; -extern char *dlerror(void) WEAK_IMPORT_ATTRIBUTE; -#endif -#endif + +#if TCL_DYLD_USE_DLFCN +# include <dlfcn.h> +#endif /* TCL_DYLD_USE_DLFCN */ #if TCL_DYLD_USE_NSMODULE || defined(TCL_LOAD_FROM_MEMORY) #include <mach-o/dyld.h> @@ -62,38 +54,23 @@ extern char *dlerror(void) WEAK_IMPORT_ATTRIBUTE; #include <mach-o/arch.h> #include <libkern/OSByteOrder.h> #include <mach/mach.h> -#include <stdbool.h> typedef struct Tcl_DyldModuleHandle { struct Tcl_DyldModuleHandle *nextPtr; NSModule module; } Tcl_DyldModuleHandle; -#endif /* TCL_DYLD_USE_NSMODULE */ +#endif /* TCL_DYLD_USE_NSMODULE || TCL_LOAD_FROM_MEMORY */ -typedef struct Tcl_DyldLoadHandle { -#if TCL_DYLD_USE_DLFCN +typedef struct { void *dlHandle; -#endif #if TCL_DYLD_USE_NSMODULE || defined(TCL_LOAD_FROM_MEMORY) const struct mach_header *dyldLibHeader; Tcl_DyldModuleHandle *modulePtr; #endif } Tcl_DyldLoadHandle; -#if (TCL_DYLD_USE_DLFCN && MAC_OS_X_VERSION_MIN_REQUIRED < 1040) || \ - defined(TCL_LOAD_FROM_MEMORY) -MODULE_SCOPE long tclMacOSXDarwinRelease; -#endif - -#ifdef TCL_DEBUG_LOAD -#define TclLoadDbgMsg(m, ...) \ - do { \ - fprintf(stderr, "%s:%d: %s(): " m ".\n", \ - strrchr(__FILE__, '/')+1, __LINE__, __func__, \ - ##__VA_ARGS__); \ - } while (0) -#else -#define TclLoadDbgMsg(m, ...) +#if TCL_DYLD_USE_DLFCN || defined(TCL_LOAD_FROM_MEMORY) +MODULE_SCOPE long tclMacOSXDarwinRelease; #endif /* @@ -104,7 +81,6 @@ static void * FindSymbol(Tcl_Interp *interp, Tcl_LoadHandle loadHandle, const char *symbol); static void UnloadFile(Tcl_LoadHandle handle); -#if TCL_DYLD_USE_NSMODULE || defined(TCL_LOAD_FROM_MEMORY) /* *---------------------------------------------------------------------- * @@ -122,6 +98,7 @@ static void UnloadFile(Tcl_LoadHandle handle); *---------------------------------------------------------------------- */ +#if TCL_DYLD_USE_NSMODULE || defined(TCL_LOAD_FROM_MEMORY) static const char * DyldOFIErrorMsg( int err) @@ -143,7 +120,7 @@ DyldOFIErrorMsg( return "unknown error"; } } -#endif /* TCL_DYLD_USE_NSMODULE */ +#endif /* TCL_DYLD_USE_NSMODULE || TCL_LOAD_FROM_MEMORY */ /* *---------------------------------------------------------------------- @@ -171,16 +148,15 @@ TclpDlopen( Tcl_LoadHandle *loadHandle, /* Filled with token for dynamically loaded * file which will be passed back to * (*unloadProcPtr)() to unload the file. */ - Tcl_FSUnloadFileProc **unloadProcPtr) + Tcl_FSUnloadFileProc **unloadProcPtr, /* Filled with address of Tcl_FSUnloadFileProc * function which should be used for this * file. */ + int flags) { Tcl_DyldLoadHandle *dyldLoadHandle; Tcl_LoadHandle newHandle; -#if TCL_DYLD_USE_DLFCN void *dlHandle = NULL; -#endif #if TCL_DYLD_USE_NSMODULE || defined(TCL_LOAD_FROM_MEMORY) const struct mach_header *dyldLibHeader = NULL; Tcl_DyldModuleHandle *modulePtr = NULL; @@ -189,12 +165,14 @@ TclpDlopen( NSLinkEditErrors editError; int errorNumber; const char *errorName, *objFileImageErrMsg = NULL; -#endif +#endif /* TCL_DYLD_USE_NSMODULE */ const char *errMsg = NULL; int result; Tcl_DString ds; - char *fileName = NULL; const char *nativePath, *nativeFileName = NULL; +#if TCL_DYLD_USE_DLFCN + int dlopenflags = 0; +#endif /* TCL_DYLD_USE_DLFCN */ /* * First try the full path the user gave us. This is particularly @@ -203,40 +181,44 @@ TclpDlopen( */ nativePath = Tcl_FSGetNativePath(pathPtr); + nativeFileName = Tcl_UtfToExternalDString(NULL, Tcl_GetString(pathPtr), + -1, &ds); #if TCL_DYLD_USE_DLFCN -#if MAC_OS_X_VERSION_MIN_REQUIRED < 1040 - if (tclMacOSXDarwinRelease >= 8) -#endif - { - dlHandle = dlopen(nativePath, RTLD_NOW | RTLD_GLOBAL); - if (!dlHandle) { - /* - * Let the OS loader examine the binary search path for whatever - * string the user gave us which hopefully refers to a file on the - * binary path. - */ + /* + * Use (RTLD_NOW|RTLD_LOCAL) as default, see [Bug #3216070] + */ - fileName = Tcl_GetString(pathPtr); - nativeFileName = Tcl_UtfToExternalDString(NULL, fileName, -1, &ds); - dlHandle = dlopen(nativeFileName, RTLD_NOW | RTLD_GLOBAL); - } - if (dlHandle) { - TclLoadDbgMsg("dlopen() successful"); - } else { + if (flags & TCL_LOAD_GLOBAL) { + dlopenflags |= RTLD_GLOBAL; + } else { + dlopenflags |= RTLD_LOCAL; + } + if (flags & TCL_LOAD_LAZY) { + dlopenflags |= RTLD_LAZY; + } else { + dlopenflags |= RTLD_NOW; + } + dlHandle = dlopen(nativePath, dlopenflags); + if (!dlHandle) { + /* + * Let the OS loader examine the binary search path for whatever string + * the user gave us which hopefully refers to a file on the binary + * path. + */ + + dlHandle = dlopen(nativeFileName, dlopenflags); + if (!dlHandle) { errMsg = dlerror(); - TclLoadDbgMsg("dlopen() failed: %s", errMsg); } } - if (!dlHandle) #endif /* TCL_DYLD_USE_DLFCN */ - { + + if (!dlHandle) { #if TCL_DYLD_USE_NSMODULE dyldLibHeader = NSAddImage(nativePath, NSADDIMAGE_OPTION_RETURN_ON_ERROR); - if (dyldLibHeader) { - TclLoadDbgMsg("NSAddImage() successful"); - } else { + if (!dyldLibHeader) { NSLinkEditError(&editError, &errorNumber, &errorName, &errMsg); if (editError == NSLinkEditFileAccessError) { /* @@ -245,20 +227,12 @@ TclpDlopen( * which hopefully refers to a file on the binary path. */ - if (!fileName) { - fileName = Tcl_GetString(pathPtr); - nativeFileName = Tcl_UtfToExternalDString(NULL, fileName, - -1, &ds); - } dyldLibHeader = NSAddImage(nativeFileName, NSADDIMAGE_OPTION_WITH_SEARCHING | NSADDIMAGE_OPTION_RETURN_ON_ERROR); - if (dyldLibHeader) { - TclLoadDbgMsg("NSAddImage() successful"); - } else { + if (!dyldLibHeader) { NSLinkEditError(&editError, &errorNumber, &errorName, &errMsg); - TclLoadDbgMsg("NSAddImage() failed: %s", errMsg); } } else if ((editError == NSLinkEditFileFormatError && errorNumber == EBADMACHO) @@ -275,50 +249,39 @@ TclpDlopen( err = NSCreateObjectFileImageFromFile(nativePath, &dyldObjFileImage); if (err == NSObjectFileImageSuccess && dyldObjFileImage) { - TclLoadDbgMsg("NSCreateObjectFileImageFromFile() " - "successful"); - module = NSLinkModule(dyldObjFileImage, nativePath, - NSLINKMODULE_OPTION_BINDNOW - | NSLINKMODULE_OPTION_RETURN_ON_ERROR); + int nsflags = NSLINKMODULE_OPTION_RETURN_ON_ERROR; + if (!(flags & 1)) nsflags |= NSLINKMODULE_OPTION_PRIVATE; + if (!(flags & 2)) nsflags |= NSLINKMODULE_OPTION_BINDNOW; + module = NSLinkModule(dyldObjFileImage, nativePath, nsflags); NSDestroyObjectFileImage(dyldObjFileImage); if (module) { - modulePtr = (Tcl_DyldModuleHandle *) - ckalloc(sizeof(Tcl_DyldModuleHandle)); + modulePtr = ckalloc(sizeof(Tcl_DyldModuleHandle)); modulePtr->module = module; modulePtr->nextPtr = NULL; - TclLoadDbgMsg("NSLinkModule() successful"); } else { NSLinkEditError(&editError, &errorNumber, &errorName, &errMsg); - TclLoadDbgMsg("NSLinkModule() failed: %s", errMsg); } } else { objFileImageErrMsg = DyldOFIErrorMsg(err); - TclLoadDbgMsg("NSCreateObjectFileImageFromFile() failed: " - "%s", objFileImageErrMsg); } } } #endif /* TCL_DYLD_USE_NSMODULE */ } - if (0 -#if TCL_DYLD_USE_DLFCN - || dlHandle -#endif + + if (dlHandle #if TCL_DYLD_USE_NSMODULE || dyldLibHeader || modulePtr -#endif +#endif /* TCL_DYLD_USE_NSMODULE */ ) { - dyldLoadHandle = (Tcl_DyldLoadHandle *) - ckalloc(sizeof(Tcl_DyldLoadHandle)); -#if TCL_DYLD_USE_DLFCN + dyldLoadHandle = ckalloc(sizeof(Tcl_DyldLoadHandle)); dyldLoadHandle->dlHandle = dlHandle; -#endif #if TCL_DYLD_USE_NSMODULE || defined(TCL_LOAD_FROM_MEMORY) dyldLoadHandle->dyldLibHeader = dyldLibHeader; dyldLoadHandle->modulePtr = modulePtr; -#endif - newHandle = (Tcl_LoadHandle) ckalloc(sizeof(*newHandle)); +#endif /* TCL_DYLD_USE_NSMODULE || TCL_LOAD_FROM_MEMORY */ + newHandle = ckalloc(sizeof(*newHandle)); newHandle->clientData = dyldLoadHandle; newHandle->findSymbolProcPtr = &FindSymbol; newHandle->unloadFileProcPtr = &UnloadFile; @@ -326,18 +289,23 @@ TclpDlopen( *loadHandle = newHandle; result = TCL_OK; } else { - Tcl_AppendResult(interp, errMsg, NULL); + Tcl_Obj *errObj = Tcl_NewObj(); + + if (errMsg != NULL) { + Tcl_AppendToObj(errObj, errMsg, -1); + } #if TCL_DYLD_USE_NSMODULE if (objFileImageErrMsg) { - Tcl_AppendResult(interp, "\nNSCreateObjectFileImageFromFile() " - "error: ", objFileImageErrMsg, NULL); + Tcl_AppendPrintfToObj(errObj, + "\nNSCreateObjectFileImageFromFile() error: %s", + objFileImageErrMsg); } -#endif +#endif /* TCL_DYLD_USE_NSMODULE */ + Tcl_SetObjResult(interp, errObj); result = TCL_ERROR; } - if(fileName) { - Tcl_DStringFree(&ds); - } + + Tcl_DStringFree(&ds); return result; } @@ -370,18 +338,14 @@ FindSymbol( const char *native; native = Tcl_UtfToExternalDString(NULL, symbol, -1, &ds); -#if TCL_DYLD_USE_DLFCN if (dyldLoadHandle->dlHandle) { +#if TCL_DYLD_USE_DLFCN proc = dlsym(dyldLoadHandle->dlHandle, native); - if (proc) { - TclLoadDbgMsg("dlsym() successful"); - } else { + if (!proc) { errMsg = dlerror(); - TclLoadDbgMsg("dlsym() failed: %s", errMsg); } - } else #endif /* TCL_DYLD_USE_DLFCN */ - { + } else { #if TCL_DYLD_USE_NSMODULE || defined(TCL_LOAD_FROM_MEMORY) NSSymbol nsSymbol = NULL; Tcl_DString newName; @@ -391,20 +355,19 @@ FindSymbol( */ Tcl_DStringInit(&newName); - Tcl_DStringAppend(&newName, "_", 1); + TclDStringAppendLiteral(&newName, "_"); native = Tcl_DStringAppend(&newName, native, -1); if (dyldLoadHandle->dyldLibHeader) { nsSymbol = NSLookupSymbolInImage(dyldLoadHandle->dyldLibHeader, native, NSLOOKUPSYMBOLINIMAGE_OPTION_BIND_NOW | NSLOOKUPSYMBOLINIMAGE_OPTION_RETURN_ON_ERROR); if (nsSymbol) { - TclLoadDbgMsg("NSLookupSymbolInImage() successful"); -#ifdef DYLD_SUPPORTS_DYLIB_UNLOADING /* * Until dyld supports unloading of MY_DYLIB binaries, the * following is not needed. */ +#ifdef DYLD_SUPPORTS_DYLIB_UNLOADING NSModule module = NSModuleForSymbol(nsSymbol); Tcl_DyldModuleHandle *modulePtr = dyldLoadHandle->modulePtr; @@ -415,8 +378,7 @@ FindSymbol( modulePtr = modulePtr->nextPtr; } if (modulePtr == NULL) { - modulePtr = (Tcl_DyldModuleHandle *) - ckalloc(sizeof(Tcl_DyldModuleHandle)); + modulePtr = ckalloc(sizeof(Tcl_DyldModuleHandle)); modulePtr->module = module; modulePtr->nextPtr = dyldLoadHandle->modulePtr; dyldLoadHandle->modulePtr = modulePtr; @@ -428,32 +390,21 @@ FindSymbol( const char *errorName; NSLinkEditError(&editError, &errorNumber, &errorName, &errMsg); - TclLoadDbgMsg("NSLookupSymbolInImage() failed: %s", errMsg); } } else if (dyldLoadHandle->modulePtr) { nsSymbol = NSLookupSymbolInModule( dyldLoadHandle->modulePtr->module, native); - if (nsSymbol) { - TclLoadDbgMsg("NSLookupSymbolInModule() successful"); - } else { - TclLoadDbgMsg("NSLookupSymbolInModule() failed"); - } } if (nsSymbol) { proc = NSAddressOfSymbol(nsSymbol); - if (proc) { - TclLoadDbgMsg("NSAddressOfSymbol() successful"); - } else { - TclLoadDbgMsg("NSAddressOfSymbol() failed"); - } } Tcl_DStringFree(&newName); #endif /* TCL_DYLD_USE_NSMODULE */ } Tcl_DStringFree(&ds); if (errMsg && (interp != NULL)) { - Tcl_AppendResult(interp, "cannot find symbol \"", symbol, "\": ", - errMsg, NULL); + Tcl_SetObjResult(interp, Tcl_ObjPrintf( + "cannot find symbol \"%s\": %s", symbol, errMsg)); Tcl_SetErrorCode(interp, "TCL", "LOOKUP", "LOAD_SYMBOL", symbol, NULL); } @@ -488,41 +439,26 @@ UnloadFile( { Tcl_DyldLoadHandle *dyldLoadHandle = loadHandle->clientData; -#if TCL_DYLD_USE_DLFCN if (dyldLoadHandle->dlHandle) { - int result; - - result = dlclose(dyldLoadHandle->dlHandle); - if (!result) { - TclLoadDbgMsg("dlclose() successful"); - } else { - TclLoadDbgMsg("dlclose() failed: %s", dlerror()); - } - } else +#if TCL_DYLD_USE_DLFCN + (void) dlclose(dyldLoadHandle->dlHandle); #endif /* TCL_DYLD_USE_DLFCN */ - { + } else { #if TCL_DYLD_USE_NSMODULE || defined(TCL_LOAD_FROM_MEMORY) Tcl_DyldModuleHandle *modulePtr = dyldLoadHandle->modulePtr; while (modulePtr != NULL) { - void *ptr; - bool result; + void *ptr = modulePtr; - result = NSUnLinkModule(modulePtr->module, + (void) NSUnLinkModule(modulePtr->module, NSUNLINKMODULE_OPTION_RESET_LAZY_REFERENCES); - if (result) { - TclLoadDbgMsg("NSUnLinkModule() successful"); - } else { - TclLoadDbgMsg("NSUnLinkModule() failed"); - } - ptr = modulePtr; modulePtr = modulePtr->nextPtr; ckfree(ptr); } #endif /* TCL_DYLD_USE_NSMODULE */ } - ckfree((char *) dyldLoadHandle); - ckfree((char *) loadHandle); + ckfree(dyldLoadHandle); + ckfree(loadHandle); } /* @@ -555,7 +491,6 @@ TclGuessPackageName( return 0; } -#ifdef TCL_LOAD_FROM_MEMORY /* *---------------------------------------------------------------------- * @@ -572,6 +507,7 @@ TclGuessPackageName( *---------------------------------------------------------------------- */ +#ifdef TCL_LOAD_FROM_MEMORY MODULE_SCOPE void * TclpLoadMemoryGetBuffer( Tcl_Interp *interp, /* Used for error reporting. */ @@ -596,6 +532,7 @@ TclpLoadMemoryGetBuffer( } return buffer; } +#endif /* TCL_LOAD_FROM_MEMORY */ /* *---------------------------------------------------------------------- @@ -615,6 +552,7 @@ TclpLoadMemoryGetBuffer( *---------------------------------------------------------------------- */ +#ifdef TCL_LOAD_FROM_MEMORY MODULE_SCOPE int TclpLoadMemory( Tcl_Interp *interp, /* Used for error reporting. */ @@ -627,10 +565,11 @@ TclpLoadMemory( Tcl_LoadHandle *loadHandle, /* Filled with token for dynamically loaded * file which will be passed back to * (*unloadProcPtr)() to unload the file. */ - Tcl_FSUnloadFileProc **unloadProcPtr) + Tcl_FSUnloadFileProc **unloadProcPtr, /* Filled with address of Tcl_FSUnloadFileProc * function which should be used for this * file. */ + int flags) { Tcl_LoadHandle newHandle; Tcl_DyldLoadHandle *dyldLoadHandle; @@ -638,6 +577,7 @@ TclpLoadMemory( Tcl_DyldModuleHandle *modulePtr; NSModule module; const char *objFileImageErrMsg = NULL; + int nsflags = NSLINKMODULE_OPTION_RETURN_ON_ERROR; /* * Try to create an object file image that we can load from. @@ -657,7 +597,7 @@ TclpLoadMemory( # define mh_size sizeof(struct mach_header_64) # define mh_magic MH_MAGIC_64 # define arch_abi CPU_ARCH_ABI64 -#endif +#endif /* __LP64__ */ if ((size_t) codeSize >= sizeof(struct fat_header) && fh->magic == OSSwapHostToBigInt32(FAT_MAGIC)) { @@ -667,7 +607,6 @@ TclpLoadMemory( * Fat binary, try to find mach_header for our architecture */ - TclLoadDbgMsg("Fat binary, %d archs", fh_nfat_arch); if ((size_t) codeSize >= sizeof(struct fat_header) + fh_nfat_arch * sizeof(struct fat_arch)) { void *fatarchs = (char*)buffer + sizeof(struct fat_header); @@ -680,22 +619,15 @@ TclpLoadMemory( fa = NXFindBestFatArch(arch->cputype | arch_abi, arch->cpusubtype, fatarchs, fh_nfat_arch); if (fa) { - TclLoadDbgMsg("NXFindBestFatArch() successful: " - "local cputype %d subtype %d, " - "fat cputype %d subtype %d", - arch->cputype | arch_abi, arch->cpusubtype, - fa->cputype, fa->cpusubtype); - mh = (void*)((char*)buffer + fa->offset); + mh = (void *)((char *) buffer + fa->offset); ms = fa->size; } else { - TclLoadDbgMsg("NXFindBestFatArch() failed"); err = NSObjectFileImageInappropriateFile; } if (fh->magic != FAT_MAGIC) { swap_fat_arch(fatarchs, fh_nfat_arch, arch->byteorder); } } else { - TclLoadDbgMsg("Fat binary header failure"); err = NSObjectFileImageInappropriateFile; } } else { @@ -703,26 +635,18 @@ TclpLoadMemory( * Thin binary */ - TclLoadDbgMsg("Thin binary"); mh = buffer; ms = codeSize; } if (ms && !(ms >= mh_size && mh->magic == mh_magic && mh->filetype == MH_BUNDLE)) { - TclLoadDbgMsg("Inappropriate file: magic %x filetype %d", - mh->magic, mh->filetype); err = NSObjectFileImageInappropriateFile; } if (err == NSObjectFileImageSuccess) { err = NSCreateObjectFileImageFromMemory(buffer, codeSize, &dyldObjFileImage); - if (err == NSObjectFileImageSuccess) { - TclLoadDbgMsg("NSCreateObjectFileImageFromMemory() " - "successful"); - } else { + if (err != NSObjectFileImageSuccess) { objFileImageErrMsg = DyldOFIErrorMsg(err); - TclLoadDbgMsg("NSCreateObjectFileImageFromMemory() failed: %s", - objFileImageErrMsg); } } else { objFileImageErrMsg = DyldOFIErrorMsg(err); @@ -737,8 +661,9 @@ TclpLoadMemory( if (dyldObjFileImage == NULL) { vm_deallocate(mach_task_self(), (vm_address_t) buffer, size); if (objFileImageErrMsg != NULL) { - Tcl_AppendResult(interp, "NSCreateObjectFileImageFromMemory() " - "error: ", objFileImageErrMsg, NULL); + Tcl_SetObjResult(interp, Tcl_ObjPrintf( + "NSCreateObjectFileImageFromMemory() error: %s", + objFileImageErrMsg)); } return TCL_ERROR; } @@ -747,19 +672,17 @@ TclpLoadMemory( * Extract the module we want from the image of the object file. */ - module = NSLinkModule(dyldObjFileImage, "[Memory Based Bundle]", - NSLINKMODULE_OPTION_BINDNOW | NSLINKMODULE_OPTION_RETURN_ON_ERROR); + if (!(flags & 1)) nsflags |= NSLINKMODULE_OPTION_PRIVATE; + if (!(flags & 2)) nsflags |= NSLINKMODULE_OPTION_BINDNOW; + module = NSLinkModule(dyldObjFileImage, "[Memory Based Bundle]", nsflags); NSDestroyObjectFileImage(dyldObjFileImage); - if (module) { - TclLoadDbgMsg("NSLinkModule() successful"); - } else { + if (!module) { NSLinkEditErrors editError; int errorNumber; const char *errorName, *errMsg; NSLinkEditError(&editError, &errorNumber, &errorName, &errMsg); - TclLoadDbgMsg("NSLinkModule() failed: %s", errMsg); - Tcl_AppendResult(interp, errMsg, NULL); + Tcl_SetObjResult(interp, Tcl_NewStringObj(errMsg, -1)); return TCL_ERROR; } @@ -767,17 +690,14 @@ TclpLoadMemory( * Stash the module reference within the load handle we create and return. */ - modulePtr = (Tcl_DyldModuleHandle *) ckalloc(sizeof(Tcl_DyldModuleHandle)); + modulePtr = ckalloc(sizeof(Tcl_DyldModuleHandle)); modulePtr->module = module; modulePtr->nextPtr = NULL; - dyldLoadHandle = (Tcl_DyldLoadHandle *) - ckalloc(sizeof(Tcl_DyldLoadHandle)); -#if TCL_DYLD_USE_DLFCN + dyldLoadHandle = ckalloc(sizeof(Tcl_DyldLoadHandle)); dyldLoadHandle->dlHandle = NULL; -#endif dyldLoadHandle->dyldLibHeader = NULL; dyldLoadHandle->modulePtr = modulePtr; - newHandle = (Tcl_LoadHandle) ckalloc(sizeof(*newHandle)); + newHandle = ckalloc(sizeof(*newHandle)); newHandle->clientData = dyldLoadHandle; newHandle->findSymbolProcPtr = &FindSymbol; newHandle->unloadFileProcPtr = &UnloadFile; |