Merge glibc-ports into ports/ directory.glibc-2.16-ports-merge

1 files changed, 58 insertions, 0 deletions

diff --git a/ports/sysdeps/unix/sysv/linux/ia64/sysdep.S b/ports/sysdeps/unix/sysv/linux/ia64/sysdep.S
new file mode 100644
index 0000000000..8a6d8fe0e4
--- /dev/null
+++ b/ports/sysdeps/unix/sysv/linux/ia64/sysdep.S
@@ -0,0 +1,58 @@
+/* Copyright (C) 1999-2001, 2003, 2004, 2011 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by David Mosberger-Tang <davidm@hpl.hp.com>.
+
+   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/>.  */
+
+#include <sysdep.h>
+#include <features.h>
+#include <tls.h>
+
+ENTRY(__syscall_error)
+#if RTLD_PRIVATE_ERRNO
+	/*
+	 * Note that the gp has to be set properly for this to work.
+	 * As long as all syscalls are in the same load unit
+	 * (executable or shared library) as this routine, we should
+	 * be fine.  Otherwise, we would have to first load the global
+	 * pointer register from __gp.
+	 */
+	addl	r2=@gprel(rtld_errno),gp
+	;;
+	st4	[r2]=r8
+	mov	r8=-1
+#else
+# ifndef NOT_IN_libc
+#  define SYSCALL_ERROR_ERRNO __libc_errno
+# else
+#  define SYSCALL_ERROR_ERRNO errno
+# endif
+	addl	r2=@ltoff(@tprel(SYSCALL_ERROR_ERRNO)), gp;;
+	ld8	r2=[r2]
+	mov	r3=r8;;
+	mov	r8=-1
+	add	r2=r2,r13;;
+	st4	[r2]=r3
+#endif
+	ret			// ret is #define'd in syscall.h!
+END(__syscall_error)
+
+ENTRY(__ia64_syscall)
+	mov r15=r37		/* syscall number */
+	break __BREAK_SYSCALL
+	cmp.eq p6,p0=-1,r10	/* r10 = -1 on error */
+(p6)	br.cond.spnt.few __syscall_error
+	ret
+PSEUDO_END(__ia64_syscall)