1 files changed, 111 insertions, 0 deletions
diff --git a/sysdeps/unix/sysv/linux/sh/sem_post.S b/sysdeps/unix/sysv/linux/sh/sem_post.S
new file mode 100644
index 0000000000..ccc62550af
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/sh/sem_post.S
@@ -0,0 +1,111 @@
+/* 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/>.  */
+
+#include <sysdep.h>
+#include <shlib-compat.h>
+#include <pthread-errnos.h>
+#include <structsem.h>
+#include <lowlevellock.h>
+#include "lowlevel-atomic.h"
+
+
+	.text
+
+	.globl	__new_sem_post
+	.type	__new_sem_post,@function
+	.align	5
+	cfi_startproc
+__new_sem_post:
+	mov.l	@(VALUE,r4), r2
+0:
+	mov.l	.Lmax, r1
+	cmp/eq	r1, r2
+	bt/s	3f
+	 mov	r2, r3
+	mov	r3, r5
+	add	#1, r5
+	CMPXCHG (r3, @(VALUE,r4), r5, r2)
+	bf	0b
+	mov.l	@(NWAITERS,r4), r2
+	tst	r2, r2
+	bt	2f
+	mov	#FUTEX_WAKE, r5
+	mov.l	@(PRIVATE,r4), r1
+	or	r1, r5
+	mov	#1, r6
+	mov	#0, r7
+	mov	#SYS_futex, r3
+	extu.b	r3, r3
+	trapa	#0x14
+	SYSCALL_INST_PAD
+
+	cmp/pz	r0
+	bf	1f
+2:
+	rts
+	 mov	#0, r0
+
+1:
+	bra	4f
+	 mov	#EINVAL, r2
+
+3:
+	mov	#EOVERFLOW, r2
+4:
+	mov.l	r12, @-r15
+	cfi_adjust_cfa_offset (4)
+	cfi_rel_offset (r12, 0)
+	mov.l	r8, @-r15
+	cfi_adjust_cfa_offset (4)
+	cfi_rel_offset (r8, 0)
+	sts.l	pr, @-r15
+	cfi_adjust_cfa_offset (4)
+	cfi_rel_offset (pr, 0)
+	mova	.Lgot3, r0
+	mov.l	.Lgot3, r12
+	add	r0, r12
+
+	mov.l	.Lerrno3, r0
+	stc	gbr, r1
+	mov.l	@(r0, r12), r0
+	bra	.Lexit
+	 add	r1, r0
+	.align	2
+.Lerrno3:
+	.long	errno@GOTTPOFF
+.Lexit:
+	mov.l	r2, @r0
+	lds.l	@r15+, pr
+	cfi_adjust_cfa_offset (-4)
+	cfi_restore (pr)
+	mov.l	@r15+, r8
+	cfi_adjust_cfa_offset (-4)
+	cfi_restore (r8)
+	mov.l	@r15+, r12
+	cfi_adjust_cfa_offset (-4)
+	cfi_restore (r12)
+	rts
+	 mov	#-1, r0
+	cfi_endproc
+
+	.align	2
+.Lmax:
+	.long	SEM_VALUE_MAX
+.Lgot3:
+	.long	_GLOBAL_OFFSET_TABLE_
+	.size	__new_sem_post,.-__new_sem_post
+	versioned_symbol(libpthread, __new_sem_post, sem_post, GLIBC_2_1)