1 files changed, 112 insertions, 0 deletions
diff --git a/nptl/sysdeps/unix/sysv/linux/sh/sem_wait.S b/nptl/sysdeps/unix/sysv/linux/sh/sem_wait.S
new file mode 100644
index 0000000000..c275f204db
--- /dev/null
+++ b/nptl/sysdeps/unix/sysv/linux/sh/sem_wait.S
@@ -0,0 +1,112 @@
+/* Copyright (C) 2003 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.  */
+
+#include <sysdep.h>
+#include <shlib-compat.h>
+#include "lowlevel-atomic.h"
+
+
+#define SYS_gettimeofday	__NR_gettimeofday
+#define SYS_futex		240
+#define FUTEX_WAIT		0
+#define FUTEX_WAKE		1
+
+#define EINTR			4
+#define EAGAIN			11
+#define EWOULDBLOCK		EAGAIN
+#define EINVAL			22
+#define ETIMEDOUT		110
+
+	.text
+
+	.globl	__new_sem_wait
+	.type	__new_sem_wait,@function
+	.align	5
+__new_sem_wait:
+	mov.l	r12, @-r15
+	mov.l	r8, @-r15
+	sts.l	pr, @-r15
+	mov	r4, r8
+3:
+	mov.l	@r8, r0
+2:
+	tst	r0, r0
+	bt	1f
+	mov	r0, r3
+	mov	r0, r4
+	add	#-1, r3
+	CMPXCHG (r4, @r8, r3, r2)
+	bf	2b
+	lds.l	@r15+, pr
+	mov.l	@r15+, r8
+	mov.l	@r15+, r12
+	rts
+	 mov	#0, r0
+
+1:
+	mov	r8, r4
+	mov	#FUTEX_WAIT, r5
+	mov	#0, r6
+	mov	#0, r7
+	mov	#SYS_futex, r3
+	extu.b	r3, r3
+	trapa	#0x14
+	SYSCALL_INST_PAD
+
+	tst	r0, r0
+	bt	3b
+	cmp/eq	#-EWOULDBLOCK, r0
+	bt	3b
+	neg	r0, r0
+
+	mov	r0, r8
+	mova	.Lgot0, r0
+	mov.l	.Lgot0, r12
+	add	r0, r12
+
+#if USE___THREAD
+	mov.l	.Lerrno0, r0
+	stc	gbr, r1
+	mov.l	@(r0, r12), r0
+	add	r1, r0
+	mov.l	r8, @r0
+#else
+	mov.l	.Lerrloc0, r1
+	bsrf	r1
+	 nop
+.Lerrloc0b:
+	mov.l	r8, @r0
+#endif
+	lds.l	@r15+, pr
+	mov.l	@r15+, r8
+	mov.l	@r15+, r12
+	rts
+	 mov	#-1, r0
+
+	.align	2
+.Lgot0:
+	.long	_GLOBAL_OFFSET_TABLE_
+#if USE___THREAD
+.Lerrno0:
+	.long	errno@GOTTPOFF
+#else
+.Lerrloc0:
+	.long	__errno_location@PLT-(.Lerrloc0b+2-.)
+#endif
+	.size	__new_sem_wait,.-__new_sem_wait
+	.symver	__new_sem_wait, sem_wait@@GLIBC_2.2