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gmodule: remove macOS dyld implementation
It did not work for dylibs, was full of ancient, deprecated code, and was not actually used anyway.
This commit is contained in:
Tom Schoonjans
parent
031b3de2ea
commit
3daa3ac835
@ -1,152 +0,0 @@
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/* GMODULE - GLIB wrapper code for dynamic module loading
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* Copyright (C) 1998, 2000 Tim Janik
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*
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* dyld (Darwin) GMODULE implementation
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* Copyright (C) 2001 Dan Winship
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, see <http://www.gnu.org/licenses/>.
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*/
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#include "config.h"
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#include <mach-o/dyld.h>
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static gpointer self_module = GINT_TO_POINTER (1);
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static gpointer
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_g_module_open (const gchar *file_name,
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gboolean bind_lazy,
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gboolean bind_local)
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{
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NSObjectFileImage image;
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NSObjectFileImageReturnCode ret;
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NSModule module;
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unsigned long options;
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char *msg;
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ret = NSCreateObjectFileImageFromFile (file_name, &image);
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if (ret != NSObjectFileImageSuccess)
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{
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switch (ret)
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{
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case NSObjectFileImageInappropriateFile:
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case NSObjectFileImageFormat:
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msg = g_strdup_printf ("%s is not a loadable module", file_name);
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break;
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case NSObjectFileImageArch:
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msg = g_strdup_printf ("%s is not built for this architecture",
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file_name);
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break;
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case NSObjectFileImageAccess:
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if (access (file_name, F_OK) == 0)
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msg = g_strdup_printf ("%s: permission denied", file_name);
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else
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msg = g_strdup_printf ("%s: no such file or directory", file_name);
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break;
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default:
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msg = g_strdup_printf ("unknown error for %s", file_name);
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break;
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}
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g_module_set_error (msg);
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g_free (msg);
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return NULL;
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}
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options = NSLINKMODULE_OPTION_RETURN_ON_ERROR;
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if (bind_local)
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options |= NSLINKMODULE_OPTION_PRIVATE;
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if (!bind_lazy)
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options |= NSLINKMODULE_OPTION_BINDNOW;
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module = NSLinkModule (image, file_name, options);
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NSDestroyObjectFileImage (image);
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if (!module)
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{
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NSLinkEditErrors c;
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int error_number;
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const char *file, *error;
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NSLinkEditError (&c, &error_number, &file, &error);
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msg = g_strdup_printf ("could not link %s: %s", file_name, error);
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g_module_set_error (msg);
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g_free (msg);
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return NULL;
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}
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return module;
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}
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static gpointer
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_g_module_self (void)
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{
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return &self_module;
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}
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static void
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_g_module_close (gpointer handle,
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gboolean is_unref)
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{
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if (handle == &self_module)
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return;
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if (!NSUnLinkModule (handle, 0))
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g_module_set_error ("could not unlink module");
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}
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static gpointer
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_g_module_symbol (gpointer handle,
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const gchar *symbol_name)
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{
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NSSymbol sym;
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char *msg;
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if (handle == &self_module)
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{
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if (NSIsSymbolNameDefined (symbol_name))
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sym = NSLookupAndBindSymbol (symbol_name);
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else
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sym = NULL;
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}
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else
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sym = NSLookupSymbolInModule (handle, symbol_name);
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if (!sym)
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{
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msg = g_strdup_printf ("no such symbol %s", symbol_name);
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g_module_set_error (msg);
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g_free (msg);
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return NULL;
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}
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return NSAddressOfSymbol (sym);
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}
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static gchar*
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_g_module_build_path (const gchar *directory,
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const gchar *module_name)
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{
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if (directory && *directory)
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{
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if (strncmp (module_name, "lib", 3) == 0)
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return g_strconcat (directory, "/", module_name, NULL);
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else
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return g_strconcat (directory, "/lib", module_name, "." G_MODULE_SUFFIX, NULL);
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}
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else if (strncmp (module_name, "lib", 3) == 0)
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return g_strdup (module_name);
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else
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return g_strconcat ("lib", module_name, "." G_MODULE_SUFFIX, NULL);
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}
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@ -283,8 +283,6 @@ g_module_set_error (const gchar *error)
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#include "gmodule-dl.c"
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#elif (G_MODULE_IMPL == G_MODULE_IMPL_WIN32)
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#include "gmodule-win32.c"
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#elif (G_MODULE_IMPL == G_MODULE_IMPL_DYLD)
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#include "gmodule-dyld.c"
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#elif (G_MODULE_IMPL == G_MODULE_IMPL_AR)
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#include "gmodule-ar.c"
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#else
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@ -26,7 +26,6 @@ extern "C" {
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#define G_MODULE_IMPL_NONE 0
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#define G_MODULE_IMPL_DL 1
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#define G_MODULE_IMPL_WIN32 3
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#define G_MODULE_IMPL_DYLD 6
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#define G_MODULE_IMPL_AR 7
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#define G_MODULE_IMPL @G_MODULE_IMPL@
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@ -15,10 +15,6 @@ elif host_system == 'aix'
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g_module_impl = 'G_MODULE_IMPL_AR'
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elif have_dlopen_dlsym
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g_module_impl = 'G_MODULE_IMPL_DL'
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# NSLinkModule (dyld) in system libraries (Darwin)
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elif cc.has_function('NSLinkModule')
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g_module_impl = 'G_MODULE_IMPL_DYLD'
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g_module_need_uscore = 1
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endif
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# additional checks for G_MODULE_IMPL_DL
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