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author | Ulrich Drepper <drepper@redhat.com> | 2003-10-12 23:05:45 +0000 |
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committer | Ulrich Drepper <drepper@redhat.com> | 2003-10-12 23:05:45 +0000 |
commit | fa3cbe3d5d0c6e6b4de642de8693f9f58347d18c (patch) | |
tree | b9a8b9759bffa3a9514409d3c7ca3bf462b41241 /nptl/sysdeps/unix/sysv/linux/sh/lowlevelmutex.S | |
parent | cc0af5f451b47358315c9c180b9bf908aed61b89 (diff) | |
download | glibc-fa3cbe3d5d0c6e6b4de642de8693f9f58347d18c.tar.gz glibc-fa3cbe3d5d0c6e6b4de642de8693f9f58347d18c.tar.xz glibc-fa3cbe3d5d0c6e6b4de642de8693f9f58347d18c.zip |
Update.
2003-10-09 Kaz Kojima <kkojima@rr.iij4u.or.jp> * sysdeps/unix/sysv/linux/sh/syscalls.list: Add waitpid.
Diffstat (limited to 'nptl/sysdeps/unix/sysv/linux/sh/lowlevelmutex.S')
-rw-r--r-- | nptl/sysdeps/unix/sysv/linux/sh/lowlevelmutex.S | 175 |
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 |