1 /* Copyright (C) 2003, 2004 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
4 The GNU C Library is free software; you can redistribute it and/or
5 modify it under the terms of the GNU Lesser General Public
6 License as published by the Free Software Foundation; either
7 version 2.1 of the License, or (at your option) any later version.
9 The GNU C Library is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 Lesser General Public License for more details.
14 You should have received a copy of the GNU Lesser General Public
15 License along with the GNU C Library; if not, write to the Free
16 Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
20 #include <shlib-compat.h>
21 #include <pthread-errnos.h>
22 #include <tcb-offsets.h>
23 #include "lowlevel-atomic.h"
26 #define SYS_gettimeofday __NR_gettimeofday
34 .type sem_timedwait,@function
38 /* First check for cancellation. */
56 CMPXCHG (r6, @r4, r3, r2)
63 /* Check whether the timeout value is valid. */
65 cfi_adjust_cfa_offset(4)
66 cfi_rel_offset (r8, 0)
68 cfi_adjust_cfa_offset(4)
69 cfi_rel_offset (r9, 0)
71 cfi_adjust_cfa_offset(4)
72 cfi_rel_offset (r10, 0)
74 cfi_adjust_cfa_offset(4)
75 cfi_rel_offset (r12, 0)
77 cfi_adjust_cfa_offset(4)
78 cfi_rel_offset (pr, 0)
80 cfi_adjust_cfa_offset(8)
84 /* Check for invalid nanosecond field. */
97 /* Compute relative timeout. */
100 mov #SYS_gettimeofday, r3
106 dmulu.l r0, r1 /* Milli seconds to nano seconds. */
120 bf/s 6f /* Time is already up. */
123 /* Store relative timeout. */
146 cmp/eq #-EWOULDBLOCK, r0
157 CMPXCHG (r4, @r8, r3, r2)
206 or.b #0x10, @(r0,gbr)
218 .word CANCELHANDLING - TLS_PRE_TCB_SIZE
220 .word RESULT - TLS_PRE_TCB_SIZE
222 .word CLEANUP_JMP_BUF - TLS_PRE_TCB_SIZE
227 .long _GLOBAL_OFFSET_TABLE_
233 .long __errno_location@PLT-(.Lerrloc2b-.)
236 .long __pthread_enable_asynccancel-.Lenable0b
238 .long __pthread_disable_asynccancel-.Ldisable0b
240 .long HIDDEN_JUMPTARGET (__pthread_unwind)-.Lunwindb
241 .size sem_timedwait,.-sem_timedwait