IA64: Consolidate nptl/ subdirectories under linux/...

sysdeps/unix/sysv/linux/ia64/dl-sysdep.h

@@ -0,0 +1,55 @@
+/* System-specific settings for dynamic linker code.  IA-64 version.
+   Copyright (C) 2003-2014 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, see
+   <http://www.gnu.org/licenses/>.  */
+
+#ifndef _LINUX_IA64_DL_SYSDEP_H
+#define _LINUX_IA64_DL_SYSDEP_H	1
+
+#include_next <dl-sysdep.h>
+
+/* Traditionally system calls have been made using break 0x100000.  A
+   second method was introduced which, if possible, will use the EPC
+   instruction.  To signal the presence and where to find the code the
+   kernel passes an AT_SYSINFO_EHDR pointer in the auxiliary vector to
+   the application.  */
+#define NEED_DL_SYSINFO	1
+#define USE_DL_SYSINFO	1
+
+#ifndef __ASSEMBLER__
+/* Don't declare this as a function---we want it's entry-point, not
+   it's function descriptor... */
+extern int _dl_sysinfo_break attribute_hidden;
+# define DL_SYSINFO_DEFAULT ((uintptr_t) &_dl_sysinfo_break)
+# define DL_SYSINFO_IMPLEMENTATION		\
+  asm (".text\n\t"				\
+       ".hidden _dl_sysinfo_break\n\t"		\
+       ".proc _dl_sysinfo_break\n\t"		\
+       "_dl_sysinfo_break:\n\t"			\
+       ".prologue\n\t"				\
+       ".altrp b6\n\t"				\
+       ".body\n\t"				\
+       "break 0x100000;\n\t"			\
+       "br.ret.sptk.many b6;\n\t"		\
+       ".endp _dl_sysinfo_break\n\t"		\
+       ".previous");
+#endif
+
+/* _dl_argv cannot be attribute_relro, because _dl_start_user
+   might write into it after _dl_start returns.  */
+#define DL_ARGV_NOT_RELRO 1
+
+#endif	/* dl-sysdep.h */