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| author | jan.nijtmans <nijtmans@users.sourceforge.net> | 2012-10-24 13:08:34 (GMT) |
|---|---|---|
| committer | jan.nijtmans <nijtmans@users.sourceforge.net> | 2012-10-24 13:08:34 (GMT) |
| commit | 20fbd4bb4bba957f3d3b611befff43c7fea5676d (patch) | |
| tree | 9a3dcf1843cffc067eb04f21c109c536a20ff564 /unix/tclLoadDyld.c | |
| parent | 9c1bac129cc0a8d54989866bfaf2a98e48f933ed (diff) | |
| download | tcl-20fbd4bb4bba957f3d3b611befff43c7fea5676d.zip tcl-20fbd4bb4bba957f3d3b611befff43c7fea5676d.tar.gz tcl-20fbd4bb4bba957f3d3b611befff43c7fea5676d.tar.bz2 | |
experimental implementation of FRQ-3579001
Diffstat (limited to 'unix/tclLoadDyld.c')
| -rw-r--r-- | unix/tclLoadDyld.c | 36 |
1 files changed, 24 insertions, 12 deletions
diff --git a/unix/tclLoadDyld.c b/unix/tclLoadDyld.c index 4f39d1f..578ce10 100644 --- a/unix/tclLoadDyld.c +++ b/unix/tclLoadDyld.c @@ -170,6 +170,9 @@ TclpDlopen( int result; Tcl_DString ds; 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 @@ -183,20 +186,27 @@ TclpDlopen( #if TCL_DYLD_USE_DLFCN /* - * Use (RTLD_NOW|RTLD_LOCAL) always, see [Bug #3216070] + * Use (RTLD_NOW|RTLD_LOCAL) as default, see [Bug #3216070] */ - dlHandle = dlopen(nativePath, RTLD_NOW | RTLD_LOCAL); + if (flags & 1) { + dlopenflags |= RTLD_GLOBAL; + } else { + dlopenflags |= RTLD_LOCAL; + } + if (flags & 2) { + 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. - * - * Use (RTLD_NOW|RTLD_LOCAL) always, see [Bug #3216070] - */ - dlHandle = dlopen(nativeFileName, RTLD_NOW | RTLD_LOCAL); + dlHandle = dlopen(nativeFileName, dlopenflags); if (!dlHandle) { errMsg = dlerror(); } @@ -238,9 +248,10 @@ TclpDlopen( err = NSCreateObjectFileImageFromFile(nativePath, &dyldObjFileImage); if (err == NSObjectFileImageSuccess && dyldObjFileImage) { - module = NSLinkModule(dyldObjFileImage, nativePath, - NSLINKMODULE_OPTION_BINDNOW | NSLINKMODULE_OPTION_PRIVATE - | 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 = ckalloc(sizeof(Tcl_DyldModuleHandle)); @@ -565,6 +576,7 @@ 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. @@ -659,9 +671,9 @@ TclpLoadMemory( * Extract the module we want from the image of the object file. */ - module = NSLinkModule(dyldObjFileImage, "[Memory Based Bundle]", - NSLINKMODULE_OPTION_BINDNOW | NSLINKMODULE_OPTION_PRIVATE - | 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) { NSLinkEditErrors editError; |