diff options
Diffstat (limited to 'libpthread/nptl/sysdeps/unix/sysv/linux/sh/pthread_rwlock_timedwrlock.S')
-rw-r--r-- | libpthread/nptl/sysdeps/unix/sysv/linux/sh/pthread_rwlock_timedwrlock.S | 67 |
1 files changed, 50 insertions, 17 deletions
diff --git a/libpthread/nptl/sysdeps/unix/sysv/linux/sh/pthread_rwlock_timedwrlock.S b/libpthread/nptl/sysdeps/unix/sysv/linux/sh/pthread_rwlock_timedwrlock.S index 6284140a6..1cb7cbdde 100644 --- a/libpthread/nptl/sysdeps/unix/sysv/linux/sh/pthread_rwlock_timedwrlock.S +++ b/libpthread/nptl/sysdeps/unix/sysv/linux/sh/pthread_rwlock_timedwrlock.S @@ -1,4 +1,4 @@ -/* Copyright (C) 2003 Free Software Foundation, Inc. +/* Copyright (C) 2003, 2007, 2008 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 @@ -17,15 +17,13 @@ 02111-1307 USA. */ #include <sysdep.h> +#include <lowlevellock.h> #include <lowlevelrwlock.h> #include <pthread-errnos.h> #include <tcb-offsets.h> +#include <bits/kernel-features.h> #include "lowlevel-atomic.h" -#define SYS_gettimeofday __NR_gettimeofday -#define FUTEX_WAIT 0 -#define FUTEX_WAKE 1 - .text @@ -85,7 +83,7 @@ pthread_rwlock_timedwrlock: /* Get current time. */ mov r15, r4 mov #0, r5 - mov #SYS_gettimeofday, r3 + mov #__NR_gettimeofday, r3 trapa #0x12 SYSCALL_INST_PAD @@ -113,7 +111,26 @@ pthread_rwlock_timedwrlock: /* Futex call. */ mov r15, r7 - mov #FUTEX_WAIT, r5 +#ifdef __ASSUME_PRIVATE_FUTEX + mov #PSHARED, r0 + mov.b @(r0,r8), r5 + mov #(FUTEX_PRIVATE_FLAG|FUTEX_WAIT), r0 + xor r0, r5 + extu.b r5, r5 +#else + mov #PSHARED, r0 + mov.b @(r0,r8), r5 + extu.b r5, r5 +# if FUTEX_WAIT != 0 + mov #FUTEX_WAIT, r0 + or r0, r5 +# endif + stc gbr, r1 + mov.w .Lpfoff, r2 + add r2, r1 + mov.l @r1, r0 + xor r0, r5 +#endif mov r10, r6 mov r8, r4 add #WRITERS_WAKEUP, r4 @@ -174,6 +191,10 @@ pthread_rwlock_timedwrlock: rts mov r3, r0 +#ifndef __ASSUME_PRIVATE_FUTEX +.Lpfoff: + .word PRIVATE_FUTEX - TLS_PRE_TCB_SIZE +#endif .L1k1: .word 1000 .align 2 @@ -185,10 +206,12 @@ pthread_rwlock_timedwrlock: #if MUTEX != 0 add #MUTEX, r5 #endif - mov r2, r4 + mov #PSHARED, r0 + mov.b @(r0,r8), r6 + extu.b r6, r6 mov.l .Lwait6, r1 bsrf r1 - nop + mov r2, r4 .Lwait6b: bra 2b nop @@ -202,16 +225,20 @@ pthread_rwlock_timedwrlock: bra 9b mov #EDEADLK, r3 6: + mov r3, r10 mov r8, r4 #if MUTEX != 0 add #MUTEX, r4 #endif + mov #PSHARED, r0 + mov.b @(r0,r8), r5 + extu.b r5, r5 mov.l .Lwake6, r1 bsrf r1 nop .Lwake6b: bra 7b - mov #0, r3 + mov r10, r3 .Ltidoff: .word TID - TLS_PRE_TCB_SIZE @@ -229,6 +256,9 @@ pthread_rwlock_timedwrlock: #if MUTEX != 0 add #MUTEX, r4 #endif + mov #PSHARED, r0 + mov.b @(r0,r8), r5 + extu.b r5, r5 mov.l .Lwake7, r1 bsrf r1 nop @@ -237,17 +267,20 @@ pthread_rwlock_timedwrlock: nop 12: + mov r3, r10 mov r8, r5 #if MUTEX != 0 add #MUTEX, r5 #endif - mov r2, r4 + mov #PSHARED, r0 + mov.b @(r0,r8), r6 + extu.b r6, r6 mov.l .Lwait7, r1 bsrf r1 - nop + mov r2, r4 .Lwait7b: bra 13b - nop + mov r10, r3 16: bra 17b @@ -255,11 +288,11 @@ pthread_rwlock_timedwrlock: .align 2 .Lwait6: - .long __lll_mutex_lock_wait-.Lwait6b + .long __lll_lock_wait-.Lwait6b .Lwake6: - .long __lll_mutex_unlock_wake-.Lwake6b + .long __lll_unlock_wake-.Lwake6b .Lwait7: - .long __lll_mutex_lock_wait-.Lwait7b + .long __lll_lock_wait-.Lwait7b .Lwake7: - .long __lll_mutex_unlock_wake-.Lwake7b + .long __lll_unlock_wake-.Lwake7b .size pthread_rwlock_timedwrlock,.-pthread_rwlock_timedwrlock |