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Diffstat (limited to 'nptl/sysdeps/unix/sysv/linux/sh/lowlevelmutex.S')
-rw-r--r--nptl/sysdeps/unix/sysv/linux/sh/lowlevelmutex.S175
1 files changed, 0 insertions, 175 deletions
diff --git a/nptl/sysdeps/unix/sysv/linux/sh/lowlevelmutex.S b/nptl/sysdeps/unix/sysv/linux/sh/lowlevelmutex.S
deleted file mode 100644
index 0aa2048d11..0000000000
--- a/nptl/sysdeps/unix/sysv/linux/sh/lowlevelmutex.S
+++ /dev/null
@@ -1,175 +0,0 @@
-/* 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 <pthread-errnos.h>
-#include "lowlevel-atomic.h"
-
- .text
-
-#define SYS_gettimeofday __NR_gettimeofday
-#define SYS_futex 240
-#define FUTEX_WAIT 0
-#define FUTEX_WAKE 1
-
-
- .globl __lll_mutex_lock_wait
- .type __lll_mutex_lock_wait,@function
- .hidden __lll_mutex_lock_wait
- .align 5
-__lll_mutex_lock_wait:
- mov r4, r6
- mov r5, r4
- mov #0, r7 /* No timeout. */
- mov #FUTEX_WAIT, r5
-1:
- add #1, r6 /* account for the preceeded xadd. */
- mov #SYS_futex, r3
- extu.b r3, r3
- trapa #0x14
- SYSCALL_INST_PAD
-
- mov #1, r3
- XADD (r3, @r4, r6)
- tst r6, r6
- bf 1b
- mov #2, r1
- mov.l r1, @r4
- ret
- mov #0, r0
- .size __lll_mutex_lock_wait,.-__lll_mutex_lock_wait
-
-
-#ifdef NOT_IN_libc
- .globl __lll_mutex_timedlock_wait
- .type __lll_mutex_timedlock_wait,@function
- .hidden __lll_mutex_timedlock_wait
- .align 5
-__lll_mutex_timedlock_wait:
- /* Check for a valid timeout value. */
- mov.l @(4,r6), r1
- mov.l .L1g, r0
- cmp/hs r0, r1
- bt 3f
-
- mov.l r10, @-r15
- mov.l r9, @-r15
- mov.l r8, @-r15
- mov r5, r8
- mov r6, r9
- mov r4, r10
-
- /* Stack frame for the timespec and timeval structs. */
- add #-8, r15
-
-1:
- add #1, r10
-
- /* Get current time. */
- mov r15, r4
- mov #0, r5
- mov #SYS_gettimeofday, r3
- trapa #0x12
- SYSCALL_INST_PAD
-
- /* Compute relative timeout. */
- mov.l @(4,r15), r0
- mov.w .L1k, r1
- dmulu.l r0, r1 /* Micro seconds to nano seconds. */
- mov.l @r9, r2
- mov.l @(4,r9), r3
- mov.l @r15, r0
- sts macl, r1
- sub r0, r2
- clrt
- subc r1, r3
- bf 4f
- mov.l .L1g, r1
- add r1, r3
- add #-1, r2
-4:
- cmp/pz r2
- bf 5f /* Time is already up. */
-
- mov.l r2, @r15 /* Store relative timeout. */
- mov.l r3, @(4,r15)
-
- mov r8, r4
- mov #FUTEX_WAIT, r5
- mov r10, r6
- mov r15, r7
- mov #SYS_futex, r3
- extu.b r3, r3
- trapa #0x14
- SYSCALL_INST_PAD
- mov r0, r4
-
- mov #1, r10
- XADD (r10, @r8, r3)
- tst r3, r3
- bf 7f
-
- mov #2, r1
- mov.l r1, @r8
- mov #0, r0
-6:
- add #8, r15
- mov.l @r15+, r8
- mov.l @r15+, r9
- rts
- mov.l @r15+, r10
-7:
- /* Check whether the time expired. */
- mov #-ETIMEDOUT, r1
- cmp/eq r4, r1
- bt 5f
- bra 1b
- nop
-3:
- rts
- mov #EINVAL, r0
-5:
- bra 6b
- mov #ETIMEDOUT, r0
-
-.L1k:
- .word 1000
- .align 2
-.L1g:
- .long 1000000000
-
- .size __lll_mutex_timedlock_wait,.-__lll_mutex_timedlock_wait
-#endif
-
-
- .globl __lll_mutex_unlock_wake
- .type __lll_mutex_unlock_wake,@function
- .hidden __lll_mutex_unlock_wake
- .align 5
-__lll_mutex_unlock_wake:
- mov #FUTEX_WAKE, r5
- mov #1, r6 /* Wake one thread. */
- mov #0, r7
- mov.l r7, @r4 /* Stores 0. */
- mov #SYS_futex, r3
- extu.b r3, r3
- trapa #0x14
- SYSCALL_INST_PAD
- rts
- nop
- .size __lll_mutex_unlock_wake,.-__lll_mutex_unlock_wake