/* Copyright (C) 2003, 2004, 2006, 2007 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 <shlib-compat.h>#include <lowlevellock.h>#include <lowlevelcond.h>#include <tcb-offsets.h>#include <kernel-features.h>#include "lowlevel-atomic.h"	.text/* int pthread_cond_wait (pthread_cond_t *cond, pthread_mutex_t *mutex)  */	.globl	__pthread_cond_wait	.type	__pthread_cond_wait, @function	.align	5__pthread_cond_wait:.LSTARTCODE:	mov.l	r8, @-r15.Lpush_r8:	mov.l	r9, @-r15.Lpush_r9:	mov.l	r10, @-r15.Lpush_r10:	mov.l	r11, @-r15.Lpush_r11:	mov.l	r12, @-r15.Lpush_r12:	sts.l	pr, @-r15.Lpush_pr:	add	#-48, r15.Lalloc:	mov	r4, r8	mov	r5, r9#ifdef PIC	mova	.Lgot0, r0	mov.l	.Lgot0, r12	add	r0, r12#endif	/* Get internal lock.  */	mov	#0, r3	mov	#1, r4#if cond_lock != 0	CMPXCHG (r3, @(cond_lock,r8), r4, r2)#else	CMPXCHG (r3, @r8, r4, r2)#endif	bt	2f	bra	1f	 nop#ifdef PIC	.align	2.Lgot0:	.long	_GLOBAL_OFFSET_TABLE_#endif2:		/* Store the reference to the mutex.  If there is already a	   different value in there this is a bad user bug.  */	mov.l	@(dep_mutex,r8),r0	cmp/eq	#-1, r0	bt	15f	mov.l	r9, @(dep_mutex,r8)15:		/* Unlock the mutex.  */	mov.l	.Lmunlock0, r1	mov	#0, r5	bsrf	r1	 mov	r9, r4.Lmunlock0b:	tst	r0, r0	bt	0f	bra	12f	 nop0:	mov	#1, r2	mov	#0, r3	clrt	mov.l	@(total_seq,r8),r0	mov.l	@(total_seq+4,r8),r1	addc	r2, r0	addc	r3, r1	mov.l	r0,@(total_seq,r8)	mov.l	r1,@(total_seq+4,r8)	mov.l	@(cond_futex,r8),r0	add	r2, r0	mov.l	r0,@(cond_futex,r8)	mov	#(1 << nwaiters_shift), r2	mov.l	@(cond_nwaiters,r8), r0	add	r2, r0	mov.l	r0, @(cond_nwaiters,r8)	/* Get and store current wakeup_seq value.  */	mov.l	@(wakeup_seq,r8), r10	mov.l	@(wakeup_seq+4,r8), r11	mov.l	@(broadcast_seq,r8), r0	mov.l	r0, @(4,r15)8:	mov.l	@(cond_futex,r8),r0	mov.l	r0, @(8,r15)	/* Unlock.  */#if cond_lock != 0	DEC (@(cond_lock,r8), r2)#else	DEC (@r8, r2)#endif	tst	r2, r2	bf	3f4:.LcleanupSTART:	mov.l	.Lenable0, r1	bsrf	r1	 nop.Lenable0b:	mov.l	r0, @r15	mov	#0, r7	mov.l	@(dep_mutex,r8), r0	cmp/eq	#-1, r0	bt/s	99f	 mov	#FUTEX_WAIT, r5#ifdef __ASSUME_PRIVATE_FUTEX	mov	#(FUTEX_WAIT|FUTEX_PRIVATE_FLAG), r5	extu.b	r5, r5#else	stc	gbr, r1	mov.w	.Lpfoff0, r2	add	r2, r1	mov.l	@r1, r5	mov	#FUTEX_WAIT, r0	or	r0, r5#endif99:		mov.l	@(8,r15), r6	mov	r8, r4	add	#cond_futex, r4	mov	#SYS_futex, r3	extu.b	r3, r3	trapa	#0x14	SYSCALL_INST_PAD	mov.l	.Ldisable0, r1	bsrf	r1	 mov.l	@r15, r4.Ldisable0b:	.LcleanupEND:	/* Lock.  */	mov	#0, r3	mov	#1, r4#if cond_lock != 0	CMPXCHG (r3, @(cond_lock,r8), r4, r2)#else	CMPXCHG (r3, @r8, r4, r2)#endif	bf	5f6:	mov.l	@(broadcast_seq,r8), r0	mov.l	@(4,r15), r1	cmp/eq	r0, r1	bf	16f	mov.l	@(woken_seq,r8), r0	mov.l	@(woken_seq+4,r8), r1	mov.l	@(wakeup_seq,r8), r2	mov.l	@(wakeup_seq+4,r8), r3	cmp/eq	r3, r11	bf	7f	cmp/eq	r2, r10	bt	8b7:	cmp/eq	r1, r3	bf	9f	cmp/eq	r0, r2	bt	8b9:	mov	#1, r2	mov	#0, r3	clrt	mov.l	@(woken_seq,r8),r0	mov.l	@(woken_seq+4,r8),r1	addc	r2, r0	addc	r3, r1	mov.l	r0,@(woken_seq,r8)	mov.l	r1,@(woken_seq+4,r8)16:	mov	#(1 << nwaiters_shift), r2	mov.l	@(cond_nwaiters,r8),r0	sub	r2, r0	mov.l	r0,@(cond_nwaiters,r8)	/* Wake up a thread which wants to destroy the condvar object.  */	mov.l	@(total_seq,r8),r0	mov.l	@(total_seq+4,r8),r1	and	r1, r0	not	r0, r0	cmp/eq	#0, r0	bf/s	17f	 mov	#((1 << nwaiters_shift) - 1), r1	not	r1, r1	mov.l	@(cond_nwaiters,r8),r0	tst	r1, r0	bf	17f	mov	r8, r4	add	#cond_nwaiters, r4	mov.l	@(dep_mutex,r8), r0	cmp/eq	#-1, r0	bt/s	99f	 mov	#FUTEX_WAKE, r5#ifdef __ASSUME_PRIVATE_FUTEX	mov	#(FUTEX_WAKE|FUTEX_PRIVATE_FLAG), r5	extu.b	r5, r5#else	stc	gbr, r1	mov.w	.Lpfoff0, r2	add	r2, r1	mov.l	@r1, r5	mov	#FUTEX_WAKE, r0	or	r0, r5#endif99:		mov	#1, r6	mov	#0, r7	mov	#SYS_futex, r3	extu.b	r3, r3	trapa	#0x14	SYSCALL_INST_PAD17:#if cond_lock != 0	DEC (@(cond_lock,r8), r2)#else	DEC (@r8, r2)#endif	tst	r2, r2	bf	10f11:	mov.l	.Lmlocki0, r1	bsrf	r1	 mov	r9, r4.Lmlocki0b:	/* We return the result of the mutex_lock operation.  */14:	add	#48, r15	lds.l	@r15+, pr	mov.l	@r15+, r12	mov.l	@r15+, r11	mov.l	@r15+, r10	mov.l	@r15+, r9	rts	 mov.l	@r15+, r8#ifndef __ASSUME_PRIVATE_FUTEX.Lpfoff0:	.word	PRIVATE_FUTEX - TLS_PRE_TCB_SIZE#endif	.align	2.Lmunlock0:	.long	__pthread_mutex_unlock_usercnt-.Lmunlock0b.Lenable0:	.long	__pthread_enable_asynccancel-.Lenable0b.Ldisable0:	.long	__pthread_disable_asynccancel-.Ldisable0b.Lmlocki0:	.long	__pthread_mutex_cond_lock-.Lmlocki0b1:	/* Initial locking failed.  */	mov	r8, r5#if cond_lock != 0	add	#cond_lock, r5#endif	mov.l	@(dep_mutex,r8), r0	cmp/eq	#-1, r0	bf/s	99f	 mov	#LLL_PRIVATE, r6	mov	#LLL_SHARED, r699:		extu.b	r6, r6	mov.l	.Lwait0, r1	bsrf	r1	 mov	r2, r4.Lwait0b:	bra	2b	 nop3:	/* Unlock in loop requires waekup.  */	mov	r8, r4#if cond_lock != 0	add	#cond_lock, r4#endif	mov.l	@(dep_mutex,r8), r0	cmp/eq	#-1, r0	bf/s	99f	 mov	#LLL_PRIVATE, r5	mov	#LLL_SHARED, r599:		mov.l	.Lwake0, r1	bsrf	r1	 extu.b	r5, r5.Lwake0b:	bra	4b	 nop5:	/* Locking in loop failed.  */	mov	r8, r5#if cond_lock != 0	add	#cond_lock, r5#endif	mov.l	@(dep_mutex,r8), r0	cmp/eq	#-1, r0	bf/s	99f	 mov	#LLL_PRIVATE, r6	mov	#LLL_SHARED, r699:		extu.b	r6, r6	mov.l	.Lwait1, r1	bsrf	r1	 mov	r2, r4.Lwait1b:	bra	6b	 nop10:	/* Unlock after loop requires wakeup.  */	mov	r8, r4#if cond_lock != 0	add	#cond_lock, r4#endif	mov.l	@(dep_mutex,r8), r0	cmp/eq	#-1, r0	bf/s	99f	 mov	#LLL_PRIVATE, r5	mov	#LLL_SHARED, r599:		mov.l	.Lwake1, r1	bsrf	r1	 extu.b	r5, r5.Lwake1b:	bra	11b	 nop12:	/* The initial unlocking of the mutex failed.  */	mov.l	r0, @(12,r15)#if cond_lock != 0	DEC (@(cond_lock,r8), r2)#else	DEC (@r8, r2)#endif	tst	r2, r2	bf	13f	mov	r8, r4#if cond_lock != 0	add	#cond_lock, r4#endif	mov.l	@(dep_mutex,r8), r0	cmp/eq	#-1, r0	bf/s	99f	 mov	#LLL_PRIVATE, r5	mov	#LLL_SHARED, r599:		mov.l	.Lwake2, r1	bsrf	r1	 extu.b	r5, r5.Lwake2b:13:	bra	14b	 mov.l	@(12,r15), r0	.align	2.Lwait0:	.long	__lll_lock_wait-.Lwait0b.Lwake0:	.long	__lll_unlock_wake-.Lwake0b.Lwait1:	.long	__lll_lock_wait-.Lwait1b.Lwake1:	.long	__lll_unlock_wake-.Lwake1b.Lwake2:	.long	__lll_unlock_wake-.Lwake2b	.size	__pthread_cond_wait, .-__pthread_cond_waitversioned_symbol (libpthread, __pthread_cond_wait, pthread_cond_wait,		  GLIBC_2_3_2)	.type	__condvar_w_cleanup, @function__condvar_w_cleanup:	mov	r4, r11	/* Get internal lock.  */	mov	#0, r3	mov	#1, r4#if cond_lock != 0	CMPXCHG (r3, @(cond_lock,r8), r4, r2)#else	CMPXCHG (r3, @r8, r4, r2)#endif	bt	1f	 nop	mov	r8, r5#if cond_lock != 0	add	#cond_lock, r5#endif	mov.l	@(dep_mutex,r8), r0	cmp/eq	#-1, r0	bf/s	99f	 mov	#LLL_PRIVATE, r6	mov	#LLL_SHARED, r699:		extu.b	r6, r6	mov.l	.Lwait3, r1	bsrf	r1	 mov	r2, r4.Lwait3b:1:	mov.l	@(broadcast_seq,r8), r0	mov.l	@(4,r15), r1	cmp/eq	r0, r1	bf	3f	mov	#1, r2	mov	#0, r3	/* We increment the wakeup_seq counter only if it is lower than	   total_seq.  If this is not the case the thread was woken and	   then canceled.  In this case we ignore the signal.  */	mov.l	@(total_seq+4,r8), r0	mov.l	@(wakeup_seq+4,r8), r1	cmp/hi	r1, r0	bt/s	6f	 cmp/hi	r0, r1	bt	7f	mov.l	@(total_seq,r8), r0	mov.l	@(wakeup_seq,r8), r1	cmp/hs	r0, r1	bt	7f6:	clrt	mov.l	@(wakeup_seq,r8),r0	mov.l	@(wakeup_seq+4,r8),r1	addc	r2, r0	addc	r3, r1	mov.l	r0,@(wakeup_seq,r8)	mov.l	r1,@(wakeup_seq+4,r8)	mov.l	@(cond_futex,r8),r0	add	r2, r0	mov.l	r0,@(cond_futex,r8)7:	clrt	mov.l	@(woken_seq,r8),r0	mov.l	@(woken_seq+4,r8),r1	addc	r2, r0	addc	r3, r1	mov.l	r0,@(woken_seq,r8)	mov.l	r1,@(woken_seq+4,r8)3:	mov	#(1 << nwaiters_shift), r2	mov.l	@(cond_nwaiters,r8),r0	sub	r2, r0	mov.l	r0,@(cond_nwaiters,r8)	/* Wake up a thread which wants to destroy the condvar object.  */	mov	#0, r10	mov.l	@(total_seq,r8),r0	mov.l	@(total_seq+4,r8),r1	and	r1, r0	not	r0, r0	cmp/eq	#0, r0	bf/s	4f	 mov	#((1 << nwaiters_shift) - 1), r1	not	r1, r1	mov.l	@(cond_nwaiters,r8),r0	tst	r1, r0	bf	4f	mov	r8, r4	add	#cond_nwaiters, r4	mov.l	@(dep_mutex,r8), r0	cmp/eq	#-1, r0	bt/s	99f	 mov	#FUTEX_WAKE, r5#ifdef __ASSUME_PRIVATE_FUTEX	mov	#(FUTEX_WAKE|FUTEX_PRIVATE_FLAG), r5	extu.b	r5, r5#else	stc	gbr, r1	mov.w	.Lpfoff1, r2	add	r2, r1	mov.l	@r1, r5	mov	#FUTEX_WAKE, r0	or	r0, r5#endif99:		mov	#1, r6	mov	#0, r7	mov	#SYS_futex, r3	extu.b	r3, r3	trapa	#0x14	SYSCALL_INST_PAD	mov	#1, r104:#if cond_lock != 0	DEC (@(cond_lock,r8), r2)#else	DEC (@r8, r2)#endif	tst	r2, r2	bt	2f	mov	r8, r4#if cond_lock != 0	add	#cond_lock, r4#endif	mov.l	@(dep_mutex,r8), r0	cmp/eq	#-1, r0	bf/s	99f	 mov	#LLL_PRIVATE, r5	mov	#LLL_SHARED, r599:		mov.l	.Lwake3, r1	bsrf	r1	 extu.b	r5, r5.Lwake3b:2:	/* Wake up all waiters to make sure no signal gets lost.  */	tst	r10, r10	bf/s	5f	 mov	r8, r4	add	#cond_futex, r4	mov.l	@(dep_mutex,r8), r0	cmp/eq	#-1, r0	bt/s	99f	 mov	#FUTEX_WAKE, r5#ifdef __ASSUME_PRIVATE_FUTEX	mov	#(FUTEX_WAKE|FUTEX_PRIVATE_FLAG), r5	extu.b	r5, r5#else	stc	gbr, r1	mov.w	.Lpfoff1, r2	add	r2, r1	mov.l	@r1, r5	mov	#FUTEX_WAKE, r0	or	r0, r5#endif99:		mov	#-1, r6	shlr	r6		/* r6 = 0x7fffffff */	mov	#0, r7	mov	#SYS_futex, r3	extu.b	r3, r3	trapa	#0x14	SYSCALL_INST_PAD5:        mov.l   .Lmlocki3, r1        bsrf    r1         mov     r9, r4.Lmlocki3b:.LcallUR:	mov.l	.Lresume, r1#ifdef PIC	add	r12, r1#endif	jsr	@r1	 mov	r11, r4	sleep#ifndef __ASSUME_PRIVATE_FUTEX.Lpfoff1:	.word	PRIVATE_FUTEX - TLS_PRE_TCB_SIZE#endif	.align	2.Lwait3:	.long   __lll_lock_wait-.Lwait3b.Lwake3:        .long   __lll_unlock_wake-.Lwake3b.Lmlocki3:	.long   __pthread_mutex_cond_lock-.Lmlocki3b.Lresume:#ifdef PIC	.long	_Unwind_Resume@GOTOFF#else	.long	_Unwind_Resume#endif.LENDCODE:	.size	__condvar_w_cleanup, .-__condvar_w_cleanup	.section .gcc_except_table,"a",@progbits.LexceptSTART:	.byte	0xff				! @LPStart format (omit)	.byte	0xff				! @TType format (omit)	.byte	0x0b				! call-site format						! DW_EH_PE_sdata4	.uleb128 .Lcstend-.Lcstbegin.Lcstbegin:	.ualong	.LcleanupSTART-.LSTARTCODE	.ualong	.LcleanupEND-.LcleanupSTART	.ualong	__condvar_w_cleanup-.LSTARTCODE	.uleb128  0	.ualong	.LcallUR-.LSTARTCODE	.ualong	.LENDCODE-.LcallUR	.ualong	0	.uleb128  0.Lcstend:	.section .eh_frame,"a",@progbits.LSTARTFRAME:	.ualong	.LENDCIE-.LSTARTCIE		! Length of the CIE..LSTARTCIE:	.ualong	0				! CIE ID.	.byte	1				! Version number.#ifdef SHARED	.string	"zPLR"				! NUL-terminated augmentation						! string.#else	.string	"zPL"				! NUL-terminated augmentation						! string.#endif	.uleb128 1				! Code alignment factor.	.sleb128 -4				! Data alignment factor.	.byte	0x11				! Return address register						! column.#ifdef SHARED	.uleb128 7				! Augmentation value length.	.byte	0x9b				! Personality: DW_EH_PE_pcrel						! + DW_EH_PE_sdata4						! + DW_EH_PE_indirect	.ualong	DW.ref.__gcc_personality_v0-.	.byte	0x1b				! LSDA Encoding: DW_EH_PE_pcrel						! + DW_EH_PE_sdata4.	.byte	0x1b				! FDE Encoding: DW_EH_PE_pcrel						! + DW_EH_PE_sdata4.#else	.uleb128 6				! Augmentation value length.	.byte	0x0				! Personality: absolute	.ualong	__gcc_personality_v0	.byte	0x0				! LSDA Encoding: absolute#endif	.byte 0x0c				! DW_CFA_def_cfa	.uleb128 0xf	.uleb128 0	.align 2.LENDCIE:	.ualong	.LENDFDE-.LSTARTFDE		! Length of the FDE..LSTARTFDE:	.ualong	.LSTARTFDE-.LSTARTFRAME		! CIE pointer.#ifdef SHARED	.ualong	.LSTARTCODE-.			! PC-relative start address						! of the code.#else	.ualong	.LSTARTCODE			! Start address of the code.#endif	.ualong	.LENDCODE-.LSTARTCODE		! Length of the code.	.uleb128 4				! Augmentation size#ifdef SHARED	.ualong	.LexceptSTART-.#else	.ualong	.LexceptSTART#endif	.byte	0x4	.ualong	.Lpush_r8-.LSTARTCODE	.byte	0xe	.uleb128 4	.byte	0x88	.uleb128 1	.byte	0x4	.ualong	.Lpush_r9-.Lpush_r8	.byte	0xe	.uleb128 8	.byte	0x89	.uleb128 2	.byte	0x4	.ualong	.Lpush_r10-.Lpush_r9	.byte	0xe	.uleb128 12	.byte	0x8a	.uleb128 3	.byte	0x4	.ualong	.Lpush_r11-.Lpush_r10	.byte	0xe	.uleb128 16	.byte	0x8b	.uleb128 4	.byte	0x4	.ualong	.Lpush_r12-.Lpush_r11	.byte	0xe	.uleb128 20	.byte	0x8c	.uleb128 5	.byte	0x4	.ualong	.Lpush_pr-.Lpush_r12	.byte	0xe	.uleb128 24	.byte	0x91	.uleb128 6	.byte	0x4	.ualong	.Lalloc-.Lpush_pr	.byte	0xe	.uleb128 72	.align	2.LENDFDE:#ifdef SHARED	.hidden DW.ref.__gcc_personality_v0	.weak   DW.ref.__gcc_personality_v0	.section .gnu.linkonce.d.DW.ref.__gcc_personality_v0,"aw",@progbits	.align 4	.type   DW.ref.__gcc_personality_v0, @object	.size   DW.ref.__gcc_personality_v0, 4DW.ref.__gcc_personality_v0:	.long   __gcc_personality_v0#endif