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Diffstat (limited to 'libpthread/nptl/sysdeps/unix/sysv/linux/sh/sem_post.S')
-rw-r--r--libpthread/nptl/sysdeps/unix/sysv/linux/sh/sem_post.S84
1 files changed, 84 insertions, 0 deletions
diff --git a/libpthread/nptl/sysdeps/unix/sysv/linux/sh/sem_post.S b/libpthread/nptl/sysdeps/unix/sysv/linux/sh/sem_post.S
new file mode 100644
index 000000000..9755b7e16
--- /dev/null
+++ b/libpthread/nptl/sysdeps/unix/sysv/linux/sh/sem_post.S
@@ -0,0 +1,84 @@
+/* Copyright (C) 2003, 2004 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 <pthread-errnos.h>
+#include "lowlevel-atomic.h"
+
+
+#define SYS_gettimeofday __NR_gettimeofday
+#define FUTEX_WAIT 0
+#define FUTEX_WAKE 1
+
+ .text
+
+ .globl __new_sem_post
+ .type __new_sem_post,@function
+ .align 5
+__new_sem_post:
+ INC (@r4, r6)
+
+ mov #FUTEX_WAKE, r5
+ mov #0, r7
+ mov #SYS_futex, r3
+ extu.b r3, r3
+ trapa #0x14
+ SYSCALL_INST_PAD
+
+ cmp/pz r0
+ bf 1f
+ rts
+ mov #0, r0
+
+1:
+ mov #EINVAL, r2
+ mova .Lgot3, r0
+ mov.l .Lgot3, r12
+ add r0, r12
+
+#if USE___THREAD
+ mov.l .Lerrno3, r0
+ stc gbr, r1
+ mov.l @(r0, r12), r0
+ bra .Lexit
+ add r1, r0
+ .align 2
+.Lerrno3:
+ .long errno@GOTTPOFF
+.Lexit:
+#else
+ mov.l .Lerrloc3, r1
+ bsrf r1
+ nop
+.Lerrloc3b:
+#endif
+ mov.l r2, @r0
+ lds.l @r15+, pr
+ mov.l @r15+, r12
+ rts
+ mov #-1, r0
+
+ .align 2
+.Lgot3:
+ .long _GLOBAL_OFFSET_TABLE_
+#if !USE___THREAD
+.Lerrloc3:
+ .long __errno_location@PLT-(.Lerrloc3b-.)
+#endif
+ .size __new_sem_post,.-__new_sem_post
+ weak_alias(__new_sem_post, sem_post)