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diff --git a/sysdeps/unix/sysv/solaris2/kopensolaris-gnu/ldsodefs.h b/sysdeps/unix/sysv/solaris2/kopensolaris-gnu/ldsodefs.h
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index 0000000000..c4b6aa2818
--- /dev/null
+++ b/sysdeps/unix/sysv/solaris2/kopensolaris-gnu/ldsodefs.h
@@ -0,0 +1,53 @@
+/* Run-time dynamic linker data structures for loaded ELF shared objects.
+ Copyright (C) 2001, 2002, 2003, 2006, 2008 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+#ifndef _LDSODEFS_H
+
+#include <kernel-features.h>
+
+#define PLATFORM_RTLD_GLOBAL_RO_FIELDS \
+ EXTERN const char * _dl_sun_execname; \
+ EXTERN int _dl_malloc_prot_exec;
+extern const char * _dl_sun_execname;
+extern int _dl_malloc_prot_exec;
+
+/* Since we use __thread in a few places in libc, we need a bit more surplus. */
+#define TLS_STATIC_EXTRA_SURPLUS 4096
+
+/* Get the real definitions. */
+#include_next <ldsodefs.h>
+
+/* Now define our stuff. */
+
+/* OpenSolaris provides an auxv_t only for dynamic executables. */
+#if defined SHARED || defined IS_IN_rtld
+# define HAVE_AUX_VECTOR
+# define HAVE_AUX_PAGESIZE
+#endif
+
+/* Initialization which is normally done by the dynamic linker. */
+extern void _dl_non_dynamic_init (void) internal_function;
+
+/* We want to enable th rtld_db hooks. */
+#define ENABLE_RTLD_DB
+
+# define DLOPEN_ALLOWED_FLAGS (RTLD_BINDING_MASK | RTLD_NOLOAD | \
+ RTLD_DEEPBIND | RTLD_GLOBAL | RTLD_LOCAL | RTLD_NODELETE)
+
+#endif /* ldsodefs.h */