dyld-132.13.tar.gz

[apple/dyld.git] / src / dyldLibSystemGlue.c

diff --git a/src/dyldLibSystemGlue.c b/src/dyldLibSystemGlue.c
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+++ b/src/dyldLibSystemGlue.c
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+/* -*- mode: C++; c-basic-offset: 4; tab-width: 4 -*-
+ *
+ * Copyright (c) 2009 Apple Inc. All rights reserved.
+ *
+ * @APPLE_LICENSE_HEADER_START@
+ * 
+ * This file contains Original Code and/or Modifications of Original Code
+ * as defined in and that are subject to the Apple Public Source License
+ * Version 2.0 (the 'License'). You may not use this file except in
+ * compliance with the License. Please obtain a copy of the License at
+ * http://www.opensource.apple.com/apsl/ and read it before using this
+ * file.
+ * 
+ * The Original Code and all software distributed under the License are
+ * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
+ * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
+ * Please see the License for the specific language governing rights and
+ * limitations under the License.
+ * 
+ * @APPLE_LICENSE_HEADER_END@
+ */
+
+#include <stdlib.h>
+
+//
+// <rdar://problem/6536810> Alter libdyld.a to not need libsystem to link with dylib1.o
+// This is the temporary private interface between libSystem.B.dylib and dyld
+//
+
+#if __i386__ || __x86_64__
+// The compiler driver will continue to add -ldylib1.o to ppc and arm links
+// so only i386 and x86_64 need this extra glue.
+
+struct __DATA__dyld { long lazy; int (*lookup)(const char*, void**); };
+
+static struct __DATA__dyld  myDyldSection __attribute__ ((section ("__DATA,__dyld"))) = { 0, NULL };
+
+
+__attribute__((weak, visibility("hidden"))) int _dyld_func_lookup(const char* dyld_func_name, void **address)
+{
+       return (*myDyldSection.lookup)(dyld_func_name, address);
+}
+
+#endif
+
+
+