+2014-12-19 Torvald Riegel <triegel@redhat.com>
+
+ * sysdeps/unix/sysv/linux/sh/libc-lowlevellock.S: Remove file.
+ * sysdeps/unix/sysv/linux/sh/lowlevellock.S: Likewise.
+ * sysdeps/unix/sysv/linux/sh/lowlevellock.h: Likewise.
+ * sysdeps/unix/sysv/linux/sh/lowlevelrobustlock.S: Likewise.
+ * sysdeps/unix/sysv/linux/sh/pthread_barrier_wait.S: Likewise.
+ * sysdeps/unix/sysv/linux/sh/pthread_cond_broadcast.S: Likewise.
+ * sysdeps/unix/sysv/linux/sh/pthread_cond_signal.S: Likewise.
+ * sysdeps/unix/sysv/linux/sh/pthread_cond_timedwait.S: Likewise.
+ * sysdeps/unix/sysv/linux/sh/pthread_cond_wait.S: Likewise.
+ * sysdeps/unix/sysv/linux/sh/pthread_rwlock_timedrdlock.S: Likewise.
+ * sysdeps/unix/sysv/linux/sh/pthread_rwlock_timedwrlock.S: Likewise.
+ * sysdeps/unix/sysv/linux/sh/pthread_rwlock_rdlock.S: Likewise.
+ * sysdeps/unix/sysv/linux/sh/pthread_rwlock_unlock.S: Likewise.
+ * sysdeps/unix/sysv/linux/sh/pthread_rwlock_wrlock.S: Likewise.
+ * sysdeps/unix/sysv/linux/sh/sh4/lowlevellock.h: Likewise.
+ * sysdeps/unix/sysv/linux/sh/sem_post.S: Likewise.
+ * sysdeps/unix/sysv/linux/sh/sem_timedwait.S: Likewise.
+ * sysdeps/unix/sysv/linux/sh/sem_trywait.S: Likewise.
+ * sysdeps/unix/sysv/linux/sh/sem_wait.S: Likewise.
+
2014-12-19 H.J. Lu <hongjiu.lu@intel.com>
* sysdeps/x86_64/x32/Makefile: New file.
+++ /dev/null
-/* Copyright (C) 2003-2014 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, see
- <http://www.gnu.org/licenses/>. */
-
-#include "lowlevellock.S"
+++ /dev/null
-/* Copyright (C) 2003-2014 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, see
- <http://www.gnu.org/licenses/>. */
-
-#include <sysdep.h>
-#include <pthread-errnos.h>
-#include <kernel-features.h>
-#include <lowlevellock.h>
-#include "lowlevel-atomic.h"
-
- .text
-
-#ifdef __ASSUME_PRIVATE_FUTEX
-# define LOAD_PRIVATE_FUTEX_WAIT(reg,tmp,tmp2) \
- mov #(FUTEX_WAIT | FUTEX_PRIVATE_FLAG), reg; \
- extu.b reg, reg
-# define LOAD_PRIVATE_FUTEX_WAKE(reg,tmp,tmp2) \
- mov #(FUTEX_WAKE | FUTEX_PRIVATE_FLAG), reg; \
- extu.b reg, reg
-# define LOAD_FUTEX_WAIT(reg,tmp,tmp2) \
- mov #(FUTEX_WAIT | FUTEX_PRIVATE_FLAG), tmp; \
- extu.b tmp, tmp; \
- xor tmp, reg
-# define LOAD_FUTEX_WAIT_ABS(reg,tmp,tmp2) \
- mov #(FUTEX_WAIT_BITSET | FUTEX_PRIVATE_FLAG), tmp; \
- extu.b tmp, tmp; \
- mov #(FUTEX_CLOCK_REALTIME >> 8), tmp2; \
- swap.b tmp2, tmp2; \
- or tmp2, tmp; \
- xor tmp, reg
-# define LOAD_FUTEX_WAKE(reg,tmp,tmp2) \
- mov #(FUTEX_WAKE | FUTEX_PRIVATE_FLAG), tmp; \
- extu.b tmp, tmp; \
- xor tmp, reg
-#else
-# if FUTEX_WAIT == 0
-# define LOAD_PRIVATE_FUTEX_WAIT(reg,tmp,tmp2) \
- stc gbr, tmp ; \
- mov.w 99f, reg ; \
- add reg, tmp ; \
- bra 98f ; \
- mov.l @tmp, reg ; \
-99: .word PRIVATE_FUTEX - TLS_PRE_TCB_SIZE ; \
-98:
-# else
-# define LOAD_PRIVATE_FUTEX_WAIT(reg,tmp,tmp2) \
- stc gbr, tmp ; \
- mov.w 99f, reg ; \
- add reg, tmp ; \
- mov.l @tmp, reg ; \
- bra 98f ; \
- mov #FUTEX_WAIT, tmp ; \
-99: .word PRIVATE_FUTEX - TLS_PRE_TCB_SIZE ; \
-98: or tmp, reg
-# endif
-# define LOAD_PRIVATE_FUTEX_WAKE(reg,tmp,tmp2) \
- stc gbr, tmp ; \
- mov.w 99f, reg ; \
- add reg, tmp ; \
- mov.l @tmp, reg ; \
- bra 98f ; \
- mov #FUTEX_WAKE, tmp ; \
-99: .word PRIVATE_FUTEX - TLS_PRE_TCB_SIZE ; \
-98: or tmp, reg
-# if FUTEX_WAIT == 0
-# define LOAD_FUTEX_WAIT(reg,tmp,tmp2) \
- stc gbr, tmp ; \
- mov.w 99f, tmp2 ; \
- add tmp2, tmp ; \
- mov.l @tmp, tmp2 ; \
- bra 98f ; \
- mov #FUTEX_PRIVATE_FLAG, tmp ; \
-99: .word PRIVATE_FUTEX - TLS_PRE_TCB_SIZE ; \
-98: extu.b tmp, tmp ; \
- xor tmp, reg ; \
- and tmp2, reg
-# else
-# define LOAD_FUTEX_WAIT(reg,tmp,tmp2) \
- stc gbr, tmp ; \
- mov.w 99f, tmp2 ; \
- add tmp2, tmp ; \
- mov.l @tmp, tmp2 ; \
- bra 98f ; \
- mov #FUTEX_PRIVATE_FLAG, tmp ; \
-99: .word PRIVATE_FUTEX - TLS_PRE_TCB_SIZE ; \
-98: extu.b tmp, tmp ; \
- xor tmp, reg ; \
- and tmp2, reg ; \
- mov #FUTEX_WAIT, tmp ; \
- or tmp, reg
-# endif
-# define LOAD_FUTEX_WAIT_ABS(reg,tmp,tmp2) \
- stc gbr, tmp ; \
- mov.w 99f, tmp2 ; \
- add tmp2, tmp ; \
- mov.l @tmp, tmp2 ; \
- bra 98f ; \
- mov #FUTEX_PRIVATE_FLAG, tmp ; \
-99: .word PRIVATE_FUTEX - TLS_PRE_TCB_SIZE ; \
-98: extu.b tmp, tmp ; \
- xor tmp, reg ; \
- and tmp2, reg ; \
- mov #FUTEX_WAIT_BITSET, tmp ; \
- mov #(FUTEX_CLOCK_REALTIME >> 8), tmp2; \
- swap.b tmp2, tmp2; \
- or tmp2, tmp; \
- or tmp, reg
-# define LOAD_FUTEX_WAKE(reg,tmp,tmp2) \
- stc gbr, tmp ; \
- mov.w 99f, tmp2 ; \
- add tmp2, tmp ; \
- mov.l @tmp, tmp2 ; \
- bra 98f ; \
- mov #FUTEX_PRIVATE_FLAG, tmp ; \
-99: .word PRIVATE_FUTEX - TLS_PRE_TCB_SIZE ; \
-98: extu.b tmp, tmp ; \
- xor tmp, reg ; \
- and tmp2, reg ; \
- mov #FUTEX_WAKE, tmp ; \
- or tmp, reg
-#endif
-
- .globl __lll_lock_wait_private
- .type __lll_lock_wait_private,@function
- .hidden __lll_lock_wait_private
- .align 5
- cfi_startproc
-__lll_lock_wait_private:
- mov.l r8, @-r15
- cfi_adjust_cfa_offset(4)
- cfi_rel_offset (r8, 0)
- mov r4, r6
- mov r5, r8
- mov #0, r7 /* No timeout. */
- LOAD_PRIVATE_FUTEX_WAIT (r5, r0, r1)
-
- mov #2, r4
- cmp/eq r4, r6
- bf 2f
-
-1:
- mov r8, r4
- mov #SYS_futex, r3
- extu.b r3, r3
- trapa #0x14
- SYSCALL_INST_PAD
-
-2:
- mov #2, r6
- XCHG (r6, @r8, r2)
- tst r2, r2
- bf 1b
-
- mov.l @r15+, r8
- cfi_adjust_cfa_offset (-4)
- cfi_restore (r8)
- rts
- mov r2, r0
- cfi_endproc
- .size __lll_lock_wait_private,.-__lll_lock_wait_private
-
-#if !IS_IN (libc)
- .globl __lll_lock_wait
- .type __lll_lock_wait,@function
- .hidden __lll_lock_wait
- .align 5
- cfi_startproc
-__lll_lock_wait:
- mov.l r9, @-r15
- cfi_adjust_cfa_offset(4)
- cfi_rel_offset (r9, 0)
- mov.l r8, @-r15
- cfi_adjust_cfa_offset(4)
- cfi_rel_offset (r8, 0)
- mov r6, r9
- mov r4, r6
- mov r5, r8
- mov #0, r7 /* No timeout. */
- mov r9, r5
- LOAD_FUTEX_WAIT (r5, r0, r1)
-
- mov #2, r4
- cmp/eq r4, r6
- bf 2f
-
-1:
- mov r8, r4
- mov #SYS_futex, r3
- extu.b r3, r3
- trapa #0x14
- SYSCALL_INST_PAD
-
-2:
- mov #2, r6
- XCHG (r6, @r8, r2)
- tst r2, r2
- bf 1b
-
- mov.l @r15+, r8
- cfi_adjust_cfa_offset (-4)
- cfi_restore (r8)
- mov.l @r15+, r9
- cfi_adjust_cfa_offset (-4)
- cfi_restore (r9)
- ret
- mov r2, r0
- cfi_endproc
- .size __lll_lock_wait,.-__lll_lock_wait
-
- /* r5 (r8): futex
- r7 (r11): flags
- r6 (r9): timeout
- r4 (r10): futex value
- */
- .globl __lll_timedlock_wait
- .type __lll_timedlock_wait,@function
- .hidden __lll_timedlock_wait
- .align 5
- cfi_startproc
-__lll_timedlock_wait:
- mov.l r12, @-r15
- cfi_adjust_cfa_offset(4)
- cfi_rel_offset (r12, 0)
-
-# ifndef __ASSUME_FUTEX_CLOCK_REALTIME
- mov.l .Lhave, r1
-# ifdef PIC
- mova .Lgot, r0
- mov.l .Lgot, r12
- add r0, r12
- add r12, r1
-# endif
- mov.l @r1, r0
- tst r0, r0
- bt .Lreltmo
-# endif
-
- /* if (timeout->tv_sec < 0) return ETIMEDOUT; */
- mov.l @r6, r1
- cmp/pz r1
- bf/s 5f
- mov #ETIMEDOUT, r0
-
- mov r4, r2
- mov r5, r4
- mov r7, r5
- mov r6, r7
- LOAD_FUTEX_WAIT_ABS (r5, r0, r1)
-
- mov #2, r6
- cmp/eq r6, r2
- bf/s 2f
- mov r6, r2
-
-1:
- mov #2, r6
- mov #-1, r1
- mov #SYS_futex, r3
- extu.b r3, r3
- trapa #0x16
- SYSCALL_INST_PAD
- mov r0, r6
-
-2:
- XCHG (r2, @r4, r3) /* NB: lock is implied */
-
- tst r3, r3
- bt/s 3f
- mov r6, r0
-
- cmp/eq #-ETIMEDOUT, r0
- bt 4f
- cmp/eq #-EINVAL, r0
- bf 1b
-4:
- neg r0, r3
-3:
- mov r3, r0
-5:
- rts
- mov.l @r15+, r12
- /* Omit CFI for restore in delay slot. */
-
-# ifndef __ASSUME_FUTEX_CLOCK_REALTIME
- .align 2
-# ifdef PIC
-.Lgot:
- .long _GLOBAL_OFFSET_TABLE_
-.Lhave:
- .long __have_futex_clock_realtime@GOTOFF
-# else
-.Lhave:
- .long __have_futex_clock_realtime
-# endif
-
-.Lreltmo:
- /* Check for a valid timeout value. */
- mov.l @(4,r6), r1
- mov.l .L1g, r0
- cmp/hs r0, r1
- bt 3f
-
- cfi_remember_state
-
- mov.l r11, @-r15
- cfi_adjust_cfa_offset(4)
- cfi_rel_offset (r11, 0)
- mov.l r10, @-r15
- cfi_adjust_cfa_offset(4)
- cfi_rel_offset (r10, 0)
- mov.l r9, @-r15
- cfi_adjust_cfa_offset(4)
- cfi_rel_offset (r9, 0)
- mov.l r8, @-r15
- cfi_adjust_cfa_offset(4)
- cfi_rel_offset (r8, 0)
- mov r7, r11
- mov r4, r10
- mov r6, r9
- mov r5, r8
-
- /* Stack frame for the timespec and timeval structs. */
- add #-8, r15
- cfi_adjust_cfa_offset(8)
-
- mov #2, r2
- XCHG (r2, @r8, r3)
-
- tst r3, r3
- bt 6f
-
-1:
- /* Get current time. */
- mov r15, r4
- mov #0, r5
- mov #__NR_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 2f /* Time is already up. */
-
- mov.l r2, @r15 /* Store relative timeout. */
- mov.l r3, @(4,r15)
-
- mov r8, r4
- mov r11, r5
- LOAD_FUTEX_WAIT (r5, r0, r1)
- mov r10, r6
- mov r15, r7
- mov #SYS_futex, r3
- extu.b r3, r3
- trapa #0x14
- SYSCALL_INST_PAD
- mov r0, r5
-
- mov #2, r2
- XCHG (r2, @r8, r3)
-
- tst r3, r3
- bt/s 6f
- mov #-ETIMEDOUT, r1
- cmp/eq r5, r1
- bf 1b
-
-2: mov #ETIMEDOUT, r3
-
-6:
- add #8, r15
- cfi_adjust_cfa_offset (-8)
- mov.l @r15+, r8
- cfi_adjust_cfa_offset (-4)
- cfi_restore (r8)
- mov.l @r15+, r9
- cfi_adjust_cfa_offset (-4)
- cfi_restore (r9)
- mov.l @r15+, r10
- cfi_adjust_cfa_offset (-4)
- cfi_restore (r10)
- mov.l @r15+, r11
- cfi_adjust_cfa_offset (-4)
- cfi_restore (r11)
- mov.l @r15+, r12
- cfi_adjust_cfa_offset (-4)
- cfi_restore (r12)
- rts
- mov r3, r0
-
- cfi_restore_state
-
-3:
- mov.l @r15+, r12
- cfi_adjust_cfa_offset (-4)
- cfi_restore (r12)
- rts
- mov #EINVAL, r0
-# endif
- cfi_endproc
-
-.L1k:
- .word 1000
- .align 2
-.L1g:
- .long 1000000000
-
- .size __lll_timedlock_wait,.-__lll_timedlock_wait
-#endif
-
- .globl __lll_unlock_wake_private
- .type __lll_unlock_wake_private,@function
- .hidden __lll_unlock_wake_private
- .align 5
- cfi_startproc
-__lll_unlock_wake_private:
- LOAD_PRIVATE_FUTEX_WAKE (r5, r0, r1)
- 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
- cfi_endproc
- .size __lll_unlock_wake_private,.-__lll_unlock_wake_private
-
-#if !IS_IN (libc)
- .globl __lll_unlock_wake
- .type __lll_unlock_wake,@function
- .hidden __lll_unlock_wake
- .align 5
- cfi_startproc
-__lll_unlock_wake:
- LOAD_FUTEX_WAKE (r5, r0, r1)
- 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
- cfi_endproc
- .size __lll_unlock_wake,.-__lll_unlock_wake
-
- .globl __lll_timedwait_tid
- .type __lll_timedwait_tid,@function
- .hidden __lll_timedwait_tid
- .align 5
- cfi_startproc
-__lll_timedwait_tid:
- mov.l r9, @-r15
- cfi_adjust_cfa_offset(4)
- cfi_rel_offset (r9, 0)
- mov.l r8, @-r15
- cfi_adjust_cfa_offset(4)
- cfi_rel_offset (r8, 0)
- mov r4, r8
- mov r5, r9
-
- /* Stack frame for the timespec and timeval structs. */
- add #-8, r15
- cfi_adjust_cfa_offset(8)
-
-2:
- /* Get current time. */
- mov r15, r4
- mov #0, r5
- mov #__NR_gettimeofday, r3
- trapa #0x12
- SYSCALL_INST_PAD
-
- /* Compute relative timeout. */
- mov.l @(4,r15), r0
- mov.w .L1k2, 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 5f
- mov.l .L1g2, r1
- add r1, r3
- add #-1, r2
-5:
- cmp/pz r2
- bf 6f /* Time is already up. */
-
- mov.l r2, @r15 /* Store relative timeout. */
- mov.l r3, @(4,r15)
-
- mov.l @r8, r2
- tst r2, r2
- bt 4f
-
- mov r8, r4
- /* XXX The kernel so far uses global futex for the wakeup at
- all times. */
- mov #0, r5
- extu.b r5, r5
- mov r2, r6
- mov r15, r7
- mov #SYS_futex, r3
- extu.b r3, r3
- trapa #0x14
- SYSCALL_INST_PAD
-
- mov.l @r8, r2
- tst r2, r2
- bf 1f
-4:
- mov #0, r0
-3:
- cfi_remember_state
- add #8, r15
- cfi_adjust_cfa_offset (-8)
- mov.l @r15+, r8
- cfi_adjust_cfa_offset (-4)
- cfi_restore (r8)
- rts
- mov.l @r15+, r9
- /* Omit CFI for restore in delay slot. */
- cfi_restore_state
-1:
- /* Check whether the time expired. */
- mov #-ETIMEDOUT, r1
- cmp/eq r0, r1
- bf 2b
-6:
- bra 3b
- mov #ETIMEDOUT, r0
- cfi_endproc
-
-.L1k2:
- .word 1000
- .align 2
-.L1g2:
- .long 1000000000
- .size __lll_timedwait_tid,.-__lll_timedwait_tid
-#endif
+++ /dev/null
-/* Copyright (C) 2003-2014 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, see
- <http://www.gnu.org/licenses/>. */
-
-#ifndef _LOWLEVELLOCK_H
-#define _LOWLEVELLOCK_H 1
-
-#ifndef __ASSEMBLER__
-#include <time.h>
-#include <sys/param.h>
-#include <bits/pthreadtypes.h>
-#include <kernel-features.h>
-#endif
-
-#define SYS_futex 240
-#define FUTEX_WAIT 0
-#define FUTEX_WAKE 1
-#define FUTEX_CMP_REQUEUE 4
-#define FUTEX_WAKE_OP 5
-#define FUTEX_LOCK_PI 6
-#define FUTEX_UNLOCK_PI 7
-#define FUTEX_TRYLOCK_PI 8
-#define FUTEX_WAIT_BITSET 9
-#define FUTEX_WAKE_BITSET 10
-#define FUTEX_PRIVATE_FLAG 128
-#define FUTEX_CLOCK_REALTIME 256
-
-#define FUTEX_BITSET_MATCH_ANY 0xffffffff
-
-#define FUTEX_OP_CLEAR_WAKE_IF_GT_ONE ((4 << 24) | 1)
-
-/* Values for 'private' parameter of locking macros. Yes, the
- definition seems to be backwards. But it is not. The bit will be
- reversed before passing to the system call. */
-#define LLL_PRIVATE 0
-#define LLL_SHARED FUTEX_PRIVATE_FLAG
-
-
-#if IS_IN (libc) || IS_IN (rtld)
-/* In libc.so or ld.so all futexes are private. */
-# ifdef __ASSUME_PRIVATE_FUTEX
-# define __lll_private_flag(fl, private) \
- ((fl) | FUTEX_PRIVATE_FLAG)
-# else
-# define __lll_private_flag(fl, private) \
- ((fl) | THREAD_GETMEM (THREAD_SELF, header.private_futex))
-# endif
-#else
-# ifdef __ASSUME_PRIVATE_FUTEX
-# define __lll_private_flag(fl, private) \
- (((fl) | FUTEX_PRIVATE_FLAG) ^ (private))
-# else
-# define __lll_private_flag(fl, private) \
- (__builtin_constant_p (private) \
- ? ((private) == 0 \
- ? ((fl) | THREAD_GETMEM (THREAD_SELF, header.private_futex)) \
- : (fl)) \
- : ((fl) | (((private) ^ FUTEX_PRIVATE_FLAG) \
- & THREAD_GETMEM (THREAD_SELF, header.private_futex))))
-# endif
-#endif
-
-#ifndef __ASSEMBLER__
-
-/* Initializer for compatibility lock. */
-#define LLL_LOCK_INITIALIZER (0)
-#define LLL_LOCK_INITIALIZER_LOCKED (1)
-#define LLL_LOCK_INITIALIZER_WAITERS (2)
-
-extern int __lll_lock_wait_private (int val, int *__futex)
- attribute_hidden;
-extern int __lll_lock_wait (int val, int *__futex, int private)
- attribute_hidden;
-extern int __lll_timedlock_wait (int val, int *__futex,
- const struct timespec *abstime, int private)
- attribute_hidden;
-extern int __lll_robust_lock_wait (int val, int *__futex, int private)
- attribute_hidden;
-extern int __lll_robust_timedlock_wait (int val, int *__futex,
- const struct timespec *abstime,
- int private)
- attribute_hidden;
-extern int __lll_unlock_wake_private (int *__futex) attribute_hidden;
-extern int __lll_unlock_wake (int *__futex, int private) attribute_hidden;
-
-#define lll_trylock(futex) \
- ({ unsigned char __result; \
- __asm __volatile ("\
- .align 2\n\
- mova 1f,r0\n\
- nop\n\
- mov r15,r1\n\
- mov #-8,r15\n\
- 0: mov.l @%1,r2\n\
- cmp/eq r2,%3\n\
- bf 1f\n\
- mov.l %2,@%1\n\
- 1: mov r1,r15\n\
- mov #-1,%0\n\
- negc %0,%0"\
- : "=r" (__result) \
- : "r" (&(futex)), \
- "r" (LLL_LOCK_INITIALIZER_LOCKED), \
- "r" (LLL_LOCK_INITIALIZER) \
- : "r0", "r1", "r2", "t", "memory"); \
- __result; })
-
-#define lll_cond_trylock(futex) \
- ({ unsigned char __result; \
- __asm __volatile ("\
- .align 2\n\
- mova 1f,r0\n\
- nop\n\
- mov r15,r1\n\
- mov #-8,r15\n\
- 0: mov.l @%1,r2\n\
- cmp/eq r2,%3\n\
- bf 1f\n\
- mov.l %2,@%1\n\
- 1: mov r1,r15\n\
- mov #-1,%0\n\
- negc %0,%0"\
- : "=r" (__result) \
- : "r" (&(futex)), \
- "r" (LLL_LOCK_INITIALIZER_WAITERS), \
- "r" (LLL_LOCK_INITIALIZER) \
- : "r0", "r1", "r2", "t", "memory"); \
- __result; })
-
-#define lll_lock(futex, private) \
- (void) ({ int __result, *__futex = &(futex); \
- __asm __volatile ("\
- .align 2\n\
- mova 1f,r0\n\
- nop\n\
- mov r15,r1\n\
- mov #-8,r15\n\
- 0: mov.l @%2,%0\n\
- tst %0,%0\n\
- bf 1f\n\
- mov.l %1,@%2\n\
- 1: mov r1,r15"\
- : "=&r" (__result) : "r" (1), "r" (__futex) \
- : "r0", "r1", "t", "memory"); \
- if (__result) \
- { \
- if (__builtin_constant_p (private) \
- && (private) == LLL_PRIVATE) \
- __lll_lock_wait_private (__result, __futex); \
- else \
- __lll_lock_wait (__result, __futex, (private)); \
- } \
- })
-
-#define lll_robust_lock(futex, id, private) \
- ({ int __result, *__futex = &(futex); \
- __asm __volatile ("\
- .align 2\n\
- mova 1f,r0\n\
- nop\n\
- mov r15,r1\n\
- mov #-8,r15\n\
- 0: mov.l @%2,%0\n\
- tst %0,%0\n\
- bf 1f\n\
- mov.l %1,@%2\n\
- 1: mov r1,r15"\
- : "=&r" (__result) : "r" (id), "r" (__futex) \
- : "r0", "r1", "t", "memory"); \
- if (__result) \
- __result = __lll_robust_lock_wait (__result, __futex, private); \
- __result; })
-
-/* Special version of lll_mutex_lock which causes the unlock function to
- always wakeup waiters. */
-#define lll_cond_lock(futex, private) \
- (void) ({ int __result, *__futex = &(futex); \
- __asm __volatile ("\
- .align 2\n\
- mova 1f,r0\n\
- nop\n\
- mov r15,r1\n\
- mov #-8,r15\n\
- 0: mov.l @%2,%0\n\
- tst %0,%0\n\
- bf 1f\n\
- mov.l %1,@%2\n\
- 1: mov r1,r15"\
- : "=&r" (__result) : "r" (2), "r" (__futex) \
- : "r0", "r1", "t", "memory"); \
- if (__result) \
- __lll_lock_wait (__result, __futex, private); })
-
-#define lll_robust_cond_lock(futex, id, private) \
- ({ int __result, *__futex = &(futex); \
- __asm __volatile ("\
- .align 2\n\
- mova 1f,r0\n\
- nop\n\
- mov r15,r1\n\
- mov #-8,r15\n\
- 0: mov.l @%2,%0\n\
- tst %0,%0\n\
- bf 1f\n\
- mov.l %1,@%2\n\
- 1: mov r1,r15"\
- : "=&r" (__result) : "r" (id | FUTEX_WAITERS), "r" (__futex) \
- : "r0", "r1", "t", "memory"); \
- if (__result) \
- __result = __lll_robust_lock_wait (__result, __futex, private); \
- __result; })
-
-#define lll_timedlock(futex, timeout, private) \
- ({ int __result, *__futex = &(futex); \
- __asm __volatile ("\
- .align 2\n\
- mova 1f,r0\n\
- nop\n\
- mov r15,r1\n\
- mov #-8,r15\n\
- 0: mov.l @%2,%0\n\
- tst %0,%0\n\
- bf 1f\n\
- mov.l %1,@%2\n\
- 1: mov r1,r15"\
- : "=&r" (__result) : "r" (1), "r" (__futex) \
- : "r0", "r1", "t", "memory"); \
- if (__result) \
- __result = __lll_timedlock_wait (__result, __futex, timeout, private); \
- __result; })
-
-#define lll_robust_timedlock(futex, timeout, id, private) \
- ({ int __result, *__futex = &(futex); \
- __asm __volatile ("\
- .align 2\n\
- mova 1f,r0\n\
- nop\n\
- mov r15,r1\n\
- mov #-8,r15\n\
- 0: mov.l @%2,%0\n\
- tst %0,%0\n\
- bf 1f\n\
- mov.l %1,@%2\n\
- 1: mov r1,r15"\
- : "=&r" (__result) : "r" (id), "r" (__futex) \
- : "r0", "r1", "t", "memory"); \
- if (__result) \
- __result = __lll_robust_timedlock_wait (__result, __futex, \
- timeout, private); \
- __result; })
-
-#define lll_unlock(futex, private) \
- (void) ({ int __result, *__futex = &(futex); \
- __asm __volatile ("\
- .align 2\n\
- mova 1f,r0\n\
- mov r15,r1\n\
- mov #-6,r15\n\
- 0: mov.l @%1,%0\n\
- add #-1,%0\n\
- mov.l %0,@%1\n\
- 1: mov r1,r15"\
- : "=&r" (__result) : "r" (__futex) \
- : "r0", "r1", "memory"); \
- if (__result) \
- { \
- if (__builtin_constant_p (private) \
- && (private) == LLL_PRIVATE) \
- __lll_unlock_wake_private (__futex); \
- else \
- __lll_unlock_wake (__futex, (private)); \
- } \
- })
-
-#define lll_robust_unlock(futex, private) \
- (void) ({ int __result, *__futex = &(futex); \
- __asm __volatile ("\
- .align 2\n\
- mova 1f,r0\n\
- mov r15,r1\n\
- mov #-6,r15\n\
- 0: mov.l @%1,%0\n\
- and %2,%0\n\
- mov.l %0,@%1\n\
- 1: mov r1,r15"\
- : "=&r" (__result) : "r" (__futex), "r" (FUTEX_WAITERS) \
- : "r0", "r1", "memory"); \
- if (__result) \
- __lll_unlock_wake (__futex, private); })
-
-# ifdef NEED_SYSCALL_INST_PAD
-# define SYSCALL_WITH_INST_PAD "\
- trapa #0x14; or r0,r0; or r0,r0; or r0,r0; or r0,r0; or r0,r0"
-# else
-# define SYSCALL_WITH_INST_PAD "\
- trapa #0x14"
-# endif
-
-#define lll_futex_wait(futex, val, private) \
- lll_futex_timed_wait (futex, val, NULL, private)
-
-
-#define lll_futex_timed_wait(futex, val, timeout, private) \
- ({ \
- int __status; \
- register unsigned long __r3 asm ("r3") = SYS_futex; \
- register unsigned long __r4 asm ("r4") = (unsigned long) (futex); \
- register unsigned long __r5 asm ("r5") \
- = __lll_private_flag (FUTEX_WAIT, private); \
- register unsigned long __r6 asm ("r6") = (unsigned long) (val); \
- register unsigned long __r7 asm ("r7") = (unsigned long) (timeout); \
- __asm __volatile (SYSCALL_WITH_INST_PAD \
- : "=z" (__status) \
- : "r" (__r3), "r" (__r4), "r" (__r5), \
- "r" (__r6), "r" (__r7) \
- : "memory", "t"); \
- __status; \
- })
-
-
-#define lll_futex_wake(futex, nr, private) \
- do { \
- int __ignore; \
- register unsigned long __r3 asm ("r3") = SYS_futex; \
- register unsigned long __r4 asm ("r4") = (unsigned long) (futex); \
- register unsigned long __r5 asm ("r5") \
- = __lll_private_flag (FUTEX_WAKE, private); \
- register unsigned long __r6 asm ("r6") = (unsigned long) (nr); \
- register unsigned long __r7 asm ("r7") = 0; \
- __asm __volatile (SYSCALL_WITH_INST_PAD \
- : "=z" (__ignore) \
- : "r" (__r3), "r" (__r4), "r" (__r5), \
- "r" (__r6), "r" (__r7) \
- : "memory", "t"); \
- } while (0)
-
-
-#define lll_islocked(futex) \
- (futex != LLL_LOCK_INITIALIZER)
-
-/* The kernel notifies a process which uses CLONE_CHILD_CLEARTID via futex
- wakeup when the clone terminates. The memory location contains the
- thread ID while the clone is running and is reset to zero
- afterwards. */
-
-#define lll_wait_tid(tid) \
- do { \
- __typeof (tid) *__tid = &(tid); \
- while (*__tid != 0) \
- lll_futex_wait (__tid, *__tid, LLL_SHARED); \
- } while (0)
-
-extern int __lll_timedwait_tid (int *tid, const struct timespec *abstime)
- attribute_hidden;
-#define lll_timedwait_tid(tid, abstime) \
- ({ \
- int __result = 0; \
- if (tid != 0) \
- { \
- if (abstime->tv_nsec < 0 || abstime->tv_nsec >= 1000000000) \
- __result = EINVAL; \
- else \
- __result = __lll_timedwait_tid (&tid, abstime); \
- } \
- __result; })
-
-#endif /* !__ASSEMBLER__ */
-
-#endif /* lowlevellock.h */
+++ /dev/null
-/* Copyright (C) 2003-2014 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, see
- <http://www.gnu.org/licenses/>. */
-
-#include <sysdep.h>
-#include <pthread-errnos.h>
-#include <lowlevellock.h>
-#include <lowlevelrobustlock.h>
-#include <kernel-features.h>
-#include "lowlevel-atomic.h"
-
- .text
-
-#define FUTEX_WAITERS 0x80000000
-#define FUTEX_OWNER_DIED 0x40000000
-
-#ifdef __ASSUME_PRIVATE_FUTEX
-# define LOAD_FUTEX_WAIT(reg,tmp,tmp2) \
- mov #(FUTEX_WAIT | FUTEX_PRIVATE_FLAG), tmp; \
- extu.b tmp, tmp; \
- xor tmp, reg
-#else
-# if FUTEX_WAIT == 0
-# define LOAD_FUTEX_WAIT(reg,tmp,tmp2) \
- stc gbr, tmp ; \
- mov.w 99f, tmp2 ; \
- add tmp2, tmp ; \
- mov.l @tmp, tmp2 ; \
- bra 98f ; \
- mov #FUTEX_PRIVATE_FLAG, tmp ; \
-99: .word PRIVATE_FUTEX - TLS_PRE_TCB_SIZE ; \
-98: extu.b tmp, tmp ; \
- xor tmp, reg ; \
- and tmp2, reg
-# else
-# define LOAD_FUTEX_WAIT(reg,tmp,tmp2) \
- stc gbr, tmp ; \
- mov.w 99f, tmp2 ; \
- add tmp2, tmp ; \
- mov.l @tmp, tmp2 ; \
- bra 98f ; \
- mov #FUTEX_PRIVATE_FLAG, tmp ; \
-99: .word PRIVATE_FUTEX - TLS_PRE_TCB_SIZE ; \
-98: extu.b tmp, tmp ; \
- xor tmp, reg ; \
- and tmp2, reg ; \
- mov #FUTEX_WAIT, tmp ; \
- or tmp, reg
-# endif
-#endif
-
- .globl __lll_robust_lock_wait
- .type __lll_robust_lock_wait,@function
- .hidden __lll_robust_lock_wait
- .align 5
- cfi_startproc
-__lll_robust_lock_wait:
- mov.l r8, @-r15
- cfi_adjust_cfa_offset(4)
- cfi_rel_offset (r8, 0)
- mov r5, r8
- mov #0, r7 /* No timeout. */
- mov r6, r5
- LOAD_FUTEX_WAIT (r5, r0, r1)
-
-4:
- mov r4, r6
- mov.l .L_FUTEX_WAITERS, r0
- or r0, r6
- shlr r0 /* r0 = FUTEX_OWNER_DIED */
- tst r0, r4
- bf/s 3f
- cmp/eq r4, r6
- bt 1f
-
- CMPXCHG (r4, @r8, r6, r2)
- bf 2f
-
-1:
- mov r8, r4
- mov #SYS_futex, r3
- extu.b r3, r3
- trapa #0x14
- SYSCALL_INST_PAD
-
- mov.l @r8, r2
-
-2:
- tst r2, r2
- bf/s 4b
- mov r2, r4
-
- stc gbr, r1
- mov.w .Ltidoff, r2
- add r2, r1
- mov.l @r1, r6
- mov #0, r3
- CMPXCHG (r3, @r8, r6, r4)
- bf 4b
- mov #0, r4
-
-3:
- mov.l @r15+, r8
- cfi_adjust_cfa_offset (-4)
- cfi_restore (r8)
- ret
- mov r4, r0
- cfi_endproc
- .align 2
-.L_FUTEX_WAITERS:
- .long FUTEX_WAITERS
-.Ltidoff:
- .word TID - TLS_PRE_TCB_SIZE
- .size __lll_robust_lock_wait,.-__lll_robust_lock_wait
-
-
- .globl __lll_robust_timedlock_wait
- .type __lll_robust_timedlock_wait,@function
- .hidden __lll_robust_timedlock_wait
- .align 5
- cfi_startproc
-__lll_robust_timedlock_wait:
- /* Check for a valid timeout value. */
- mov.l @(4,r6), r1
- mov.l .L1g, r0
- cmp/hs r0, r1
- bt 3f
-
- cfi_remember_state
-
- mov.l r11, @-r15
- cfi_adjust_cfa_offset(4)
- cfi_rel_offset (r11, 0)
- mov.l r10, @-r15
- cfi_adjust_cfa_offset(4)
- cfi_rel_offset (r10, 0)
- mov.l r9, @-r15
- cfi_adjust_cfa_offset(4)
- cfi_rel_offset (r9, 0)
- mov.l r8, @-r15
- cfi_adjust_cfa_offset(4)
- cfi_rel_offset (r8, 0)
- mov r7, r11
- mov r4, r10
- mov r6, r9
- mov r5, r8
-
- /* Stack frame for the timespec and timeval structs. */
- add #-8, r15
- cfi_adjust_cfa_offset(8)
-
-1:
- /* Get current time. */
- mov r15, r4
- mov #0, r5
- mov #__NR_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 8f /* Time is already up. */
-
- mov.l r2, @r15 /* Store relative timeout. */
- mov.l r3, @(4,r15)
-
- mov r10, r6
- mov.l .L_FUTEX_WAITERS2, r0
- or r0, r6
- shlr r0 /* r0 = FUTEX_OWNER_DIED */
- tst r0, r4
- bf/s 6f
- cmp/eq r4, r6
- bt 2f
-
- CMPXCHG (r4, @r8, r6, r2)
- bf/s 5f
- mov #0, r5
-
-2:
- mov r8, r4
- mov r11, r5
- LOAD_FUTEX_WAIT (r5, r0, r1)
- mov r10, r6
- mov r15, r7
- mov #SYS_futex, r3
- extu.b r3, r3
- trapa #0x14
- SYSCALL_INST_PAD
- mov r0, r5
-
- mov.l @r8, r2
-
-5:
- tst r2, r2
- bf/s 7f
- mov r2, r10
-
- stc gbr, r1
- mov.w .Ltidoff2, r2
- add r2, r1
- mov.l @r1, r4
- mov #0, r3
- CMPXCHG (r3, @r8, r4, r10)
- bf 7f
- mov #0, r0
-
-6:
- cfi_remember_state
- add #8, r15
- cfi_adjust_cfa_offset (-8)
- mov.l @r15+, r8
- cfi_adjust_cfa_offset (-4)
- cfi_restore (r8)
- mov.l @r15+, r9
- cfi_adjust_cfa_offset (-4)
- cfi_restore (r9)
- mov.l @r15+, r10
- cfi_adjust_cfa_offset (-4)
- cfi_restore (r10)
- rts
- mov.l @r15+, r11
- /* Omit CFI for restore in delay slot. */
- cfi_restore_state
-
-7:
- /* Check whether the time expired. */
- mov #-ETIMEDOUT, r1
- cmp/eq r5, r1
- bf 1b
-
-8:
- bra 6b
- mov #ETIMEDOUT, r0
-
- cfi_restore_state
-3:
- rts
- mov #EINVAL, r0
- cfi_endproc
- .align 2
-.L_FUTEX_WAITERS2:
- .long FUTEX_WAITERS
-.L1g:
- .long 1000000000
-.Ltidoff2:
- .word TID - TLS_PRE_TCB_SIZE
-.L1k:
- .word 1000
- .size __lll_robust_timedlock_wait,.-__lll_robust_timedlock_wait
+++ /dev/null
-/* Copyright (C) 2003-2014 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, see
- <http://www.gnu.org/licenses/>. */
-
-#include <sysdep.h>
-#include <lowlevellock.h>
-#include <lowlevelbarrier.h>
-#include "lowlevel-atomic.h"
-
- .text
-
- .globl pthread_barrier_wait
- .type pthread_barrier_wait,@function
- .align 5
- cfi_startproc
-pthread_barrier_wait:
- mov.l r9, @-r15
- cfi_adjust_cfa_offset (4)
- cfi_rel_offset (r9, 0)
- mov.l r8, @-r15
- cfi_adjust_cfa_offset (4)
- cfi_rel_offset (r8, 0)
- sts.l pr, @-r15
- cfi_adjust_cfa_offset (4)
- cfi_rel_offset (pr, 0)
- mov r4, r8
-
- /* Get the mutex. */
- mov #0, r3
- mov #1, r4
- CMPXCHG (r3, @(MUTEX,r8), r4, r2)
- bf 1f
-
- /* One less waiter. If this was the last one needed wake
- everybody. */
-2:
- mov.l @(LEFT,r8), r0
- add #-1, r0
- mov.l r0, @(LEFT,r8)
- tst r0, r0
- bt 3f
-
- /* There are more threads to come. */
- mov.l @(CURR_EVENT,r8), r6
-
- /* Release the mutex. */
- DEC (@(MUTEX,r8), r2)
- tst r2, r2
- bf 6f
-7:
- /* Wait for the remaining threads. The call will return immediately
- if the CURR_EVENT memory has meanwhile been changed. */
- mov r8, r4
-#if CURR_EVENT != 0
- add #CURR_EVENT, r4
-#endif
-#if FUTEX_WAIT == 0
- mov.l @(PRIVATE,r8), r5
-#else
- mov #FUTEX_WAIT, r5
- mov.l @(PRIVATE,r8), r0
- or r0, r5
-#endif
- mov #0, r7
-8:
- mov #SYS_futex, r3
- extu.b r3, r3
- trapa #0x14
- SYSCALL_INST_PAD
-
- /* Don't return on spurious wakeups. The syscall does not change
- any register except r0 so there is no need to reload any of
- them. */
- mov.l @(CURR_EVENT,r8), r0
- cmp/eq r0, r6
- bt 8b
-
- /* Increment LEFT. If this brings the count back to the
- initial count unlock the object. */
- mov #1, r3
- mov.l @(INIT_COUNT,r8), r4
- XADD (r3, @(LEFT,r8), r2, r5)
- add #-1, r4
- cmp/eq r2, r4
- bf 10f
-
- /* Release the mutex. We cannot release the lock before
- waking the waiting threads since otherwise a new thread might
- arrive and gets waken up, too. */
- DEC (@(MUTEX,r8), r2)
- tst r2, r2
- bf 9f
-
-10:
- cfi_remember_state
- lds.l @r15+, pr
- cfi_adjust_cfa_offset (-4)
- cfi_restore (pr)
- mov.l @r15+, r8
- cfi_adjust_cfa_offset (-4)
- cfi_restore (r8)
- mov.l @r15+, r9
- cfi_adjust_cfa_offset (-4)
- cfi_restore (r9)
- rts
- mov #0, r0 /* != PTHREAD_BARRIER_SERIAL_THREAD */
- cfi_restore_state
-
-3:
- /* The necessary number of threads arrived. */
- mov.l @(CURR_EVENT,r8), r1
- add #1, r1
- mov.l r1, @(CURR_EVENT,r8)
-
- /* Wake up all waiters. The count is a signed number in the kernel
- so 0x7fffffff is the highest value. */
- mov.l .Lall, r6
- mov r8, r4
-#if CURR_EVENT != 0
- add #CURR_EVENT, r4
-#endif
- mov #0, r7
- mov #FUTEX_WAKE, r5
- mov.l @(PRIVATE,r8), r0
- or r0, r5
- mov #SYS_futex, r3
- extu.b r3, r3
- trapa #0x14
- SYSCALL_INST_PAD
-
- /* Increment LEFT. If this brings the count back to the
- initial count unlock the object. */
- mov #1, r3
- mov.l @(INIT_COUNT,r8), r4
- XADD (r3, @(LEFT,r8), r2, r5)
- add #-1, r4
- cmp/eq r2, r4
- bf 5f
-
- /* Release the mutex. */
- DEC (@(MUTEX,r8), r2)
- tst r2, r2
- bf 4f
-5:
- cfi_remember_state
- lds.l @r15+, pr
- cfi_adjust_cfa_offset (-4)
- cfi_restore (pr)
- mov.l @r15+, r8
- cfi_adjust_cfa_offset (-4)
- cfi_restore (r8)
- mov.l @r15+, r9
- cfi_adjust_cfa_offset (-4)
- cfi_restore (r9)
- rts
- mov #-1, r0 /* == PTHREAD_BARRIER_SERIAL_THREAD */
- cfi_restore_state
-
-1:
- mov.l @(PRIVATE,r8), r6
- mov #LLL_SHARED, r0
- extu.b r0, r0
- xor r0, r6
- mov r2, r4
- mov r8, r5
- mov.l .Lwait0, r1
- bsrf r1
- add #MUTEX, r5
-.Lwait0b:
- bra 2b
- nop
-
-4:
- mov.l @(PRIVATE,r8), r5
- mov #LLL_SHARED, r0
- extu.b r0, r0
- xor r0, r5
- mov r8, r4
- mov.l .Lwake0, r1
- bsrf r1
- add #MUTEX, r4
-.Lwake0b:
- bra 5b
- nop
-
-6:
- mov r6, r9
- mov.l @(PRIVATE,r8), r5
- mov #LLL_SHARED, r0
- extu.b r0, r0
- xor r0, r5
- mov r8, r4
- mov.l .Lwake1, r1
- bsrf r1
- add #MUTEX, r4
-.Lwake1b:
- bra 7b
- mov r9, r6
-
-9:
- mov r6, r9
- mov.l @(PRIVATE,r8), r5
- mov #LLL_SHARED, r0
- extu.b r0, r0
- xor r0, r5
- mov r8, r4
- mov.l .Lwake2, r1
- bsrf r1
- add #MUTEX, r4
-.Lwake2b:
- bra 10b
- mov r9, r6
- cfi_endproc
-
- .align 2
-.Lall:
- .long 0x7fffffff
-.Lwait0:
- .long __lll_lock_wait-.Lwait0b
-.Lwake0:
- .long __lll_unlock_wake-.Lwake0b
-.Lwake1:
- .long __lll_unlock_wake-.Lwake1b
-.Lwake2:
- .long __lll_unlock_wake-.Lwake2b
- .size pthread_barrier_wait,.-pthread_barrier_wait
+++ /dev/null
-/* Copyright (C) 2003-2014 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, see
- <http://www.gnu.org/licenses/>. */
-
-#include <sysdep.h>
-#include <shlib-compat.h>
-#include <lowlevellock.h>
-#include <lowlevelcond.h>
-#include <kernel-features.h>
-#include <pthread-pi-defines.h>
-#include <pthread-errnos.h>
-#include "lowlevel-atomic.h"
-
- .text
-
- /* int pthread_cond_broadcast (pthread_cond_t *cond) */
- .globl __pthread_cond_broadcast
- .type __pthread_cond_broadcast, @function
- .align 5
- cfi_startproc
-__pthread_cond_broadcast:
- mov.l r10, @-r15
- cfi_adjust_cfa_offset (4)
- cfi_rel_offset (r10, 0)
- mov.l r9, @-r15
- cfi_adjust_cfa_offset (4)
- cfi_rel_offset (r9, 0)
- mov.l r8, @-r15
- cfi_adjust_cfa_offset (4)
- cfi_rel_offset (r8, 0)
- sts.l pr, @-r15
- cfi_adjust_cfa_offset (4)
- cfi_rel_offset (pr, 0)
- mov r4, r8
-
- /* 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
- bf 1f
-2:
- mov.l @(total_seq+4,r8),r0
- mov.l @(total_seq,r8),r1
- mov.l @(wakeup_seq+4,r8), r2
- cmp/hi r2, r0
- bt 3f
- cmp/hi r0, r2
- bt 4f
- mov.l @(wakeup_seq,r8), r2
- cmp/hi r2, r1
- bf 4f
-
-3:
- /* Cause all currently waiting threads to recognize they are
- woken up. */
- mov.l r1, @(wakeup_seq,r8)
- mov.l r0, @(wakeup_seq+4,r8)
- mov.l r1, @(woken_seq,r8)
- mov.l r0, @(woken_seq+4,r8)
- mov.l @(broadcast_seq,r8), r2
- add #1, r2
- mov.l r2, @(broadcast_seq,r8)
- add r1, r1
- mov r1, r10
- mov.l r10, @(cond_futex,r8)
-
- /* Get the address of the mutex used. */
- mov.l @(dep_mutex,r8), r9
-
- /* Unlock. */
-#if cond_lock != 0
- DEC (@(cond_lock,r8), r2)
-#else
- DEC (@r8, r2)
-#endif
- tst r2, r2
- bf 7f
-
-8:
- /* Don't use requeue for pshared condvars. */
- mov #-1, r0
- cmp/eq r0, r9
- mov r8, r4
- bt/s 9f
- add #cond_futex, r4
-
- /* XXX: The kernel only supports FUTEX_CMP_REQUEUE to the same
- type of futex (private resp. shared). */
- mov.l @(MUTEX_KIND,r9), r0
- tst #(PI_BIT|PS_BIT), r0
- bf 9f
-
- /* Wake up all threads. */
-#ifdef __ASSUME_PRIVATE_FUTEX
- mov #(FUTEX_CMP_REQUEUE|FUTEX_PRIVATE_FLAG), r5
- extu.b r5, r5
-#else
- stc gbr, r1
- mov.w .Lpfoff, r2
- add r2, r1
- mov.l @r1, r5
- mov #FUTEX_CMP_REQUEUE, r0
- or r0, r5
-#endif
- mov #1, r6
- mov #-1, r7
- shlr r7 /* r7 = 0x7fffffff */
- mov r9, r0
-# if MUTEX_FUTEX != 0
- add #MUTEX_FUTEX, r0
-# endif
- mov r10, r1
- mov #SYS_futex, r3
- extu.b r3, r3
- trapa #0x16
- SYSCALL_INST_PAD
-
- /* For any kind of error, which mainly is EAGAIN, we try again
- with WAKE. The general test also covers running on old
- kernels. */
- mov r0, r1
- mov #-12, r2
- shad r2, r1
- not r1, r1
- tst r1, r1
- mov r8, r4
- bt/s 9f
- add #cond_futex, r4
-
-10:
- cfi_remember_state
- lds.l @r15+, pr
- cfi_adjust_cfa_offset (-4)
- cfi_restore (pr)
- mov.l @r15+, r8
- cfi_adjust_cfa_offset (-4)
- cfi_restore (r8)
- mov.l @r15+, r9
- cfi_adjust_cfa_offset (-4)
- cfi_restore (r9)
- mov.l @r15+, r10
- cfi_adjust_cfa_offset (-4)
- cfi_restore (r10)
- rts
- mov #0, r0
- cfi_restore_state
-
-4:
- /* Unlock. */
-#if cond_lock != 0
- DEC (@(cond_lock,r8), r2)
-#else
- DEC (@r8, r2)
-#endif
- tst r2, r2
- bf 5f
-6:
- cfi_remember_state
- lds.l @r15+, pr
- cfi_adjust_cfa_offset (-4)
- cfi_restore (pr)
- mov.l @r15+, r8
- cfi_adjust_cfa_offset (-4)
- cfi_restore (r8)
- mov.l @r15+, r9
- cfi_adjust_cfa_offset (-4)
- cfi_restore (r9)
- mov.l @r15+, r10
- cfi_adjust_cfa_offset (-4)
- cfi_restore (r10)
- rts
- mov #0, r0
- cfi_restore_state
-
-1:
- /* 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, r6
-99:
- extu.b r6, r6
- mov.l .Lwait5, r1
- bsrf r1
- mov r2, r4
-.Lwait5b:
- bra 2b
- nop
-
-5:
- /* Unlock in 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, r5
-99:
- mov.l .Lwake5, r1
- bsrf r1
- extu.b r5, r5
-.Lwake5b:
- bra 6b
- nop
-
-7:
- /* Unlock in loop requires wakeup. */
- mov r8, r4
-#if cond_lock != 0
- add #cond_lock, r4
-#endif
- mov #-1, r0
- cmp/eq r0, r9
- bf/s 99f
- mov #LLL_PRIVATE, r5
- mov #LLL_SHARED, r5
-99:
- mov.l .Lwake6, r1
- bsrf r1
- extu.b r5, r5
-.Lwake6b:
- bra 8b
- nop
-
-9:
- mov #-1, r0
- cmp/eq r0, r9
- 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 .Lpfoff, r2
- add r2, r1
- mov.l @r1, r5
- mov #FUTEX_WAKE, r0
- or r0, r5
-#endif
-99:
- mov #-1, r6
- shlr r6 /* r6 = 0x7fffffff */
- mov #0, r7
- mov #SYS_futex, r3
- extu.b r3, r3
- trapa #0x14
- SYSCALL_INST_PAD
- bra 10b
- nop
- cfi_endproc
-
-#ifndef __ASSUME_PRIVATE_FUTEX
-.Lpfoff:
- .word PRIVATE_FUTEX - TLS_PRE_TCB_SIZE
-#endif
-
- .align 2
-.Lwait5:
- .long __lll_lock_wait-.Lwait5b
-.Lwake5:
- .long __lll_unlock_wake-.Lwake5b
-.Lwake6:
- .long __lll_unlock_wake-.Lwake6b
- .size __pthread_cond_broadcast, .-__pthread_cond_broadcast
-versioned_symbol (libpthread, __pthread_cond_broadcast, pthread_cond_broadcast,
- GLIBC_2_3_2)
+++ /dev/null
-/* Copyright (C) 2003-2014 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, see
- <http://www.gnu.org/licenses/>. */
-
-#include <sysdep.h>
-#include <shlib-compat.h>
-#include <lowlevellock.h>
-#include <lowlevelcond.h>
-#include <kernel-features.h>
-#include <pthread-errnos.h>
-#include "lowlevel-atomic.h"
-
- .text
-
- /* int pthread_cond_signal (pthread_cond_t *cond) */
- .globl __pthread_cond_signal
- .type __pthread_cond_signal, @function
- .align 5
- cfi_startproc
-__pthread_cond_signal:
- mov.l r8, @-r15
- cfi_adjust_cfa_offset (4)
- cfi_rel_offset (r8, 0)
- sts.l pr, @-r15
- cfi_adjust_cfa_offset (4)
- cfi_rel_offset (pr, 0)
- mov r4, r8
-
- /* 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
- bf 1f
-2:
- mov.l @(total_seq+4,r8),r0
- mov.l @(total_seq,r8),r1
- mov.l @(wakeup_seq+4,r8), r2
- cmp/hi r2, r0
- bt 3f
- cmp/hi r0, r2
- bt 4f
- mov.l @(wakeup_seq,r8), r2
- cmp/hi r2, r1
- bf 4f
-
-3:
- /* Bump the wakeup number. */
- mov #1, r2
- mov #0, r3
- 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)
-
- /* Wake up one thread. */
- mov r8, r4
- add #cond_futex, r4
- mov.l @(dep_mutex,r8), r0
- cmp/eq #-1, r0
- bt/s 99f
- mov #FUTEX_WAKE_OP, r5
-#ifdef __ASSUME_PRIVATE_FUTEX
- mov #(FUTEX_WAKE_OP|FUTEX_PRIVATE_FLAG), r5
- extu.b r5, r5
-#else
- stc gbr, r1
- mov.w .Lpfoff, r2
- add r2, r1
- mov.l @r1, r5
- mov #FUTEX_WAKE_OP, r0
- or r0, r5
-#endif
-99:
- mov #1, r6
- mov #0, r7
- mov r8, r0
- add #cond_lock, r0
- mov.l .Lfutexop, r1
- mov #SYS_futex, r3
- extu.b r3, r3
- trapa #0x14
- SYSCALL_INST_PAD
-
- /* For any kind of error, we try again with WAKE.
- The general test also covers running on old kernels. */
- mov r0, r1
- mov #-12, r2
- shad r2, r1
- not r1, r1
- tst r1, r1
- bt 7f
-
-6:
- cfi_remember_state
- lds.l @r15+, pr
- cfi_adjust_cfa_offset (-4)
- cfi_restore (pr)
- mov.l @r15+, r8
- cfi_adjust_cfa_offset (-4)
- cfi_restore (r8)
- rts
- mov #0, r0
- cfi_restore_state
-
-#ifndef __ASSUME_PRIVATE_FUTEX
-.Lpfoff:
- .word PRIVATE_FUTEX - TLS_PRE_TCB_SIZE
-#endif
- .align 2
-.Lfutexop:
- .long FUTEX_OP_CLEAR_WAKE_IF_GT_ONE
-
-7:
- /* r5 should be either FUTEX_WAKE_OP or
- FUTEX_WAKE_OP|FUTEX_PRIVATE_FLAG from the previous syscall. */
- mov #(FUTEX_WAKE ^ FUTEX_WAKE_OP), r0
- xor r0, r5
- trapa #0x14
- SYSCALL_INST_PAD
-
-4:
- /* Unlock. */
-#if cond_lock != 0
- DEC (@(cond_lock,r8), r2)
-#else
- DEC (@r8, r2)
-#endif
- tst r2, r2
- bt 6b
-
-5:
- /* Unlock in 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, r5
-99:
- mov.l .Lwake4, r1
- bsrf r1
- extu.b r5, r5
-.Lwake4b:
- bra 6b
- nop
-
-1:
- /* 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, r6
-99:
- extu.b r6, r6
- mov.l .Lwait4, r1
- bsrf r1
- mov r2, r4
-.Lwait4b:
- bra 2b
- nop
- cfi_endproc
-
- .align 2
-.Lwait4:
- .long __lll_lock_wait-.Lwait4b
-.Lwake4:
- .long __lll_unlock_wake-.Lwake4b
- .size __pthread_cond_signal, .-__pthread_cond_signal
-versioned_symbol (libpthread, __pthread_cond_signal, pthread_cond_signal,
- GLIBC_2_3_2)
+++ /dev/null
-/* Copyright (C) 2003-2014 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, see
- <http://www.gnu.org/licenses/>. */
-
-#include <sysdep.h>
-#include <shlib-compat.h>
-#include <lowlevellock.h>
-#include <lowlevelcond.h>
-#include <pthread-errnos.h>
-#include <kernel-features.h>
-#include <tcb-offsets.h>
-#include "lowlevel-atomic.h"
-
- .text
-
-/* int pthread_cond_timedwait (pthread_cond_t *cond, pthread_mutex_t *mutex,
- const struct timespec *abstime) */
- .globl __pthread_cond_timedwait
- .type __pthread_cond_timedwait, @function
- .align 5
- cfi_startproc
-__pthread_cond_timedwait:
-.LSTARTCODE:
-#ifdef SHARED
- cfi_personality(DW_EH_PE_pcrel | DW_EH_PE_sdata4 | DW_EH_PE_indirect,
- DW.ref.__gcc_personality_v0)
- cfi_lsda(DW_EH_PE_pcrel | DW_EH_PE_sdata4, .LexceptSTART)
-#else
- cfi_personality(DW_EH_PE_absptr, __gcc_personality_v0)
- cfi_lsda(DW_EH_PE_absptr, .LexceptSTART)
-#endif
- mov.l r8, @-r15
- cfi_adjust_cfa_offset (4)
- cfi_rel_offset (r8, 0)
- mov.l r9, @-r15
- cfi_adjust_cfa_offset (4)
- cfi_rel_offset (r9, 0)
- mov.l r10, @-r15
- cfi_adjust_cfa_offset (4)
- cfi_rel_offset (r10, 0)
- mov.l r11, @-r15
- cfi_adjust_cfa_offset (4)
- cfi_rel_offset (r11, 0)
- mov.l r12, @-r15
- cfi_adjust_cfa_offset (4)
- cfi_rel_offset (r12, 0)
- mov.l r13, @-r15
- cfi_adjust_cfa_offset (4)
- cfi_rel_offset (r13, 0)
- sts.l pr, @-r15
- cfi_adjust_cfa_offset (4)
- cfi_rel_offset (pr, 0)
- add #-64, r15
- cfi_adjust_cfa_offset (64)
-
- mov r4, r8
- mov r5, r9
- mov r6, r13
-#ifdef PIC
- mova .Lgot0, r0
- mov.l .Lgot0, r12
- add r0, r12
-#endif
-
- mov.l @(4,r13), r0
- mov.l .L1g, r1
- cmp/hs r1, r0
- bf 0f
- bra 18f
- mov #EINVAL, r0
-0:
- /* 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_
-#endif
-
-2:
- /* 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 17f
- mov.l r9, @(dep_mutex,r8)
-
-17:
- /* Unlock the mutex. */
- mov.l .Lmunlock1, r1
- mov #0, r5
- bsrf r1
- mov r9, r4
-.Lmunlock1b:
-
- tst r0, r0
- bt 0f
- bra 16f
- nop
-0:
- 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:
- /* Get current time. */
-#ifdef __NR_clock_gettime
- /* Get the clock number. */
- mov.l @(cond_nwaiters,r8), r4
- mov #((1 << nwaiters_shift) - 1), r0
- and r0, r4
- /* Only clocks 0 and 1 are allowed. Both are handled in the
- kernel. */
- mov r15, r5
- add #16, r5
- mov.w .L__NR_clock_gettime, r3
- trapa #0x12
- SYSCALL_INST_PAD
-
- /* Compute relative timeout. */
- mov.l @r13, r2
- mov.l @(4,r13), r3
- mov.l @(16,r15), r0
- bra 0f
- mov.l @(20,r15), r1
-.L__NR_clock_gettime:
- .word __NR_clock_gettime
-
-0:
-#else
- mov r15, r4
- add #16, r4
- mov #0, r5
- mov #__NR_gettimeofday, r3
- trapa #0x12
- SYSCALL_INST_PAD
-
- /* Compute relative timeout. */
- mov.l @(20,r15), r0
- mov.w .L1k, r1
- dmulu.l r0, r1 /* Micro seconds to nano seconds. */
- mov.l @r13, r2
- mov.l @(4,r13), r3
- mov.l @(16,r15), r0
- sts macl, r1
-#endif
- sub r0, r2
- clrt
- subc r1, r3
- bf 12f
- mov.l .L1g, r1
- add r1, r3
- add #-1, r2
-12:
- mov #-ETIMEDOUT, r1
- mov.l r1, @(12,r15)
- cmp/pz r2
- bf 6f /* Time is already up. */
-
- /* Store relative timeout. */
- mov.l r2, @(16,r15)
- mov.l r3, @(20,r15)
- mov.l @(cond_futex,r8), r1
- mov.l r1, @(8,r15)
-
- /* Unlock. */
-#if cond_lock != 0
- DEC (@(cond_lock,r8), r2)
-#else
- DEC (@r8, r2)
-#endif
- tst r2, r2
- bt 4f
- bra 3f
- nop
-4:
-.LcleanupSTART:
- mov.l .Lenable1, r1
- bsrf r1
- nop
-.Lenable1b:
- mov.l r0, @r15
-
- mov r15, r7
- add #16, 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 .Lpfoff, r2
- add r2, r1
- mov.l @r1, r5
- mov #FUTEX_WAIT, r0
- or r0, r5
-#endif
-99:
- 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 r0, @(12,r15)
-
- mov.l .Ldisable1, r1
- bsrf r1
- mov.l @r15, r4
-.Ldisable1b:
-.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 5f
-6:
- mov.l @(broadcast_seq,r8), r0
- mov.l @(4,r15), r1
- cmp/eq r0, r1
- bf 23f
-
- 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 15f
-7:
- cmp/eq r1, r3
- bf 9f
- cmp/eq r0, r2
- bf 9f
-15:
- mov.l @(12,r15),r0
- cmp/eq #-ETIMEDOUT, r0
- bf 8b
-
- mov #1, r2
- mov #0, r3
-
- 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)
- mov #ETIMEDOUT, r0
- bra 14f
- mov.l r0, @(24,r15)
-
-23:
- mov #0, r0
- bra 24f
- mov.l r0, @(24,r15)
-
-9:
- mov #0, r0
- mov.l r0, @(24,r15)
-14:
- 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)
-
-24:
- 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 25f
- mov #((1 << nwaiters_shift) - 1), r1
- not r1, r1
- mov.l @(cond_nwaiters,r8),r0
- tst r1, r0
- bf 25f
-
- 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 .Lpfoff, r2
- add r2, r1
- mov.l @r1, r5
- mov #FUTEX_WAKE, r0
- or r0, r5
-#endif
-99:
- mov #1, r6
- mov #0, r7
- mov #SYS_futex, r3
- extu.b r3, r3
- trapa #0x14
- SYSCALL_INST_PAD
-
-25:
-#if cond_lock != 0
- DEC (@(cond_lock,r8), r2)
-#else
- DEC (@r8, r2)
-#endif
- tst r2, r2
- bf 10f
-
-11:
- mov r9, r4
- mov.l .Lmlocki1, r1
- bsrf r1
- nop
-.Lmlocki1b:
-
- /* We return the result of the mutex_lock operation if it failed. */
- tst r0, r0
- bf 18f
- mov.l @(24,r15), r0
-
-18:
- cfi_remember_state
- add #64, r15
- cfi_adjust_cfa_offset (-64)
- lds.l @r15+, pr
- cfi_adjust_cfa_offset (-4)
- cfi_restore (pr)
- mov.l @r15+, r13
- cfi_adjust_cfa_offset (-4)
- cfi_restore (r13)
- mov.l @r15+, r12
- cfi_adjust_cfa_offset (-4)
- cfi_restore (r12)
- mov.l @r15+, r11
- cfi_adjust_cfa_offset (-4)
- cfi_restore (r11)
- mov.l @r15+, r10
- cfi_adjust_cfa_offset (-4)
- cfi_restore (r10)
- mov.l @r15+, r9
- cfi_adjust_cfa_offset (-4)
- cfi_restore (r9)
- rts
- mov.l @r15+, r8
- /* Omit CFI for restore in delay slot. */
- cfi_restore_state
-
-#ifndef __ASSUME_PRIVATE_FUTEX
-.Lpfoff:
- .word PRIVATE_FUTEX - TLS_PRE_TCB_SIZE
-#endif
-.L1k:
- .word 1000
- .align 2
-.Lmunlock1:
- .long __pthread_mutex_unlock_usercnt-.Lmunlock1b
-.Lenable1:
- .long __pthread_enable_asynccancel-.Lenable1b
-.Ldisable1:
- .long __pthread_disable_asynccancel-.Ldisable1b
-.Lmlocki1:
- .long __pthread_mutex_cond_lock-.Lmlocki1b
-.L1g:
- .long 1000000000
-
-1:
- /* 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, r6
-99:
- extu.b r6, r6
- mov.l .Lwait2, r1
- bsrf r1
- mov r2, r4
-.Lwait2b:
- bra 2b
- nop
-
-3:
- /* Unlock in 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, r5
-99:
- mov.l .Lmwait2, r1
- bsrf r1
- extu.b r5, r5
-.Lmwait2b:
- bra 4b
- nop
-
-5:
- /* 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, r6
-99:
- extu.b r6, r6
- mov.l .Lwait3, r1
- bsrf r1
- mov r2, r4
-.Lwait3b:
- bra 6b
- nop
-
-10:
- /* 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, r5
-99:
- mov.l .Lmwait3, r1
- bsrf r1
- extu.b r5, r5
-.Lmwait3b:
- bra 11b
- nop
-
-16:
- /* The initial unlocking of the mutex failed. */
- mov.l r0, @(24,r15)
-#if cond_lock != 0
- DEC (@(cond_lock,r8), r2)
-#else
- DEC (@r8, r2)
-#endif
- tst r2, r2
- bf 17f
-
- 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, r5
-99:
- mov.l .Lmwait4, r1
- bsrf r1
- extu.b r5, r5
-.Lmwait4b:
-17:
- bra 18b
- mov.l @(24,r15), r0
-
- .align 2
-.Lwait2:
- .long __lll_lock_wait-.Lwait2b
-.Lmwait2:
- .long __lll_unlock_wake-.Lmwait2b
-.Lwait3:
- .long __lll_lock_wait-.Lwait3b
-.Lmwait3:
- .long __lll_unlock_wake-.Lmwait3b
-.Lmwait4:
- .long __lll_unlock_wake-.Lmwait4b
- .size __pthread_cond_timedwait, .-__pthread_cond_timedwait
-versioned_symbol (libpthread, __pthread_cond_timedwait, pthread_cond_timedwait,
- GLIBC_2_3_2)
-
-
- .type __condvar_tw_cleanup, @function
-__condvar_tw_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, r6
-99:
- extu.b r6, r6
- mov.l .Lwait5, r1
- bsrf r1
- mov r2, r4
-.Lwait5b:
-
-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 7f
-
-6:
- 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 #FUTEX_WAKE, r5
- mov #1, r6
- mov #0, r7
- mov #SYS_futex, r3
- extu.b r3, r3
- trapa #0x14
- SYSCALL_INST_PAD
- mov #1, r10
-
-4:
-#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, r5
-99:
- mov.l .Lmwait5, r1
- bsrf r1
- extu.b r5, r5
-.Lmwait5b:
-
-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 #FUTEX_WAKE, r5
- mov #-1, r6
- shlr r6 /* r6 = 0x7fffffff */
- mov #0, r7
- mov #SYS_futex, r3
- extu.b r3, r3
- trapa #0x14
- SYSCALL_INST_PAD
-
-5:
- mov.l .Lmlocki5, r1
- bsrf r1
- mov r9, r4
-.Lmlocki5b:
-
-.LcallUR:
- mov.l .Lresume, r1
-#ifdef PIC
- add r12, r1
-#endif
- jsr @r1
- mov r11, r4
- sleep
-
- .align 2
-.Lwait5:
- .long __lll_lock_wait-.Lwait5b
-.Lmwait5:
- .long __lll_unlock_wake-.Lmwait5b
-.Lmlocki5:
- .long __pthread_mutex_cond_lock-.Lmlocki5b
-.Lresume:
-#ifdef PIC
- .long _Unwind_Resume@GOTOFF
-#else
- .long _Unwind_Resume
-#endif
-.LENDCODE:
- cfi_endproc
- .size __condvar_tw_cleanup, .-__condvar_tw_cleanup
-
-
- .section .gcc_except_table,"a",@progbits
-.LexceptSTART:
- .byte DW_EH_PE_omit ! @LPStart format (omit)
- .byte DW_EH_PE_omit ! @TType format (omit)
- .byte DW_EH_PE_sdata4 ! call-site format
- .uleb128 .Lcstend-.Lcstbegin
-.Lcstbegin:
- .ualong .LcleanupSTART-.LSTARTCODE
- .ualong .LcleanupEND-.LcleanupSTART
- .ualong __condvar_tw_cleanup-.LSTARTCODE
- .uleb128 0
- .ualong .LcallUR-.LSTARTCODE
- .ualong .LENDCODE-.LcallUR
- .ualong 0
- .uleb128 0
-.Lcstend:
-
-
-#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, 4
-DW.ref.__gcc_personality_v0:
- .long __gcc_personality_v0
-#endif
+++ /dev/null
-/* Copyright (C) 2003-2014 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, see
- <http://www.gnu.org/licenses/>. */
-
-#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
- cfi_startproc
-__pthread_cond_wait:
-.LSTARTCODE:
-#ifdef SHARED
- cfi_personality(DW_EH_PE_pcrel | DW_EH_PE_sdata4 | DW_EH_PE_indirect,
- DW.ref.__gcc_personality_v0)
- cfi_lsda(DW_EH_PE_pcrel | DW_EH_PE_sdata4, .LexceptSTART)
-#else
- cfi_personality(DW_EH_PE_absptr, __gcc_personality_v0)
- cfi_lsda(DW_EH_PE_absptr, .LexceptSTART)
-#endif
- mov.l r8, @-r15
- cfi_adjust_cfa_offset (4)
- cfi_rel_offset (r8, 0)
- mov.l r9, @-r15
- cfi_adjust_cfa_offset (4)
- cfi_rel_offset (r9, 0)
- mov.l r10, @-r15
- cfi_adjust_cfa_offset (4)
- cfi_rel_offset (r10, 0)
- mov.l r11, @-r15
- cfi_adjust_cfa_offset (4)
- cfi_rel_offset (r11, 0)
- mov.l r12, @-r15
- cfi_adjust_cfa_offset (4)
- cfi_rel_offset (r12, 0)
- sts.l pr, @-r15
- cfi_adjust_cfa_offset (4)
- cfi_rel_offset (pr, 0)
- add #-48, r15
- cfi_adjust_cfa_offset (48)
-
- 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_
-#endif
-
-2:
- /* 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
- nop
-0:
- 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 3f
-4:
-.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
-#endif
-99:
- 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 5f
-6:
- 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 8b
-7:
- cmp/eq r1, r3
- bf 9f
- cmp/eq r0, r2
- bt 8b
-9:
- 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
-#endif
-99:
- mov #1, r6
- mov #0, r7
- mov #SYS_futex, r3
- extu.b r3, r3
- trapa #0x14
- SYSCALL_INST_PAD
-
-17:
-#if cond_lock != 0
- DEC (@(cond_lock,r8), r2)
-#else
- DEC (@r8, r2)
-#endif
- tst r2, r2
- bf 10f
-
-11:
- mov.l .Lmlocki0, r1
- bsrf r1
- mov r9, r4
-.Lmlocki0b:
- /* We return the result of the mutex_lock operation. */
-
-14:
- cfi_remember_state
- add #48, r15
- cfi_adjust_cfa_offset (-48)
- lds.l @r15+, pr
- cfi_adjust_cfa_offset (-4)
- cfi_restore (pr)
- mov.l @r15+, r12
- cfi_adjust_cfa_offset (-4)
- cfi_restore (r12)
- mov.l @r15+, r11
- cfi_adjust_cfa_offset (-4)
- cfi_restore (r11)
- mov.l @r15+, r10
- cfi_adjust_cfa_offset (-4)
- cfi_restore (r10)
- mov.l @r15+, r9
- cfi_adjust_cfa_offset (-4)
- cfi_restore (r9)
- rts
- mov.l @r15+, r8
- /* Omit CFI for restore in delay slot. */
- cfi_restore_state
-
-#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-.Lmlocki0b
-
-1:
- /* 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, r6
-99:
- extu.b r6, r6
- mov.l .Lwait0, r1
- bsrf r1
- mov r2, r4
-.Lwait0b:
- bra 2b
- nop
-3:
- /* 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, r5
-99:
- mov.l .Lwake0, r1
- bsrf r1
- extu.b r5, r5
-.Lwake0b:
- bra 4b
- nop
-
-5:
- /* 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, r6
-99:
- extu.b r6, r6
- mov.l .Lwait1, r1
- bsrf r1
- mov r2, r4
-.Lwait1b:
- bra 6b
- nop
-
-10:
- /* 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, r5
-99:
- mov.l .Lwake1, r1
- bsrf r1
- extu.b r5, r5
-.Lwake1b:
- bra 11b
- nop
-
-12:
- /* 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, r5
-99:
- 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_wait
-versioned_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, r6
-99:
- 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 7f
-
-6:
- 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
-#endif
-99:
- mov #1, r6
- mov #0, r7
- mov #SYS_futex, r3
- extu.b r3, r3
- trapa #0x14
- SYSCALL_INST_PAD
- mov #1, r10
-
-4:
-#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, r5
-99:
- 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
-#endif
-99:
- mov #-1, r6
- shlr r6 /* r6 = 0x7fffffff */
- mov #0, r7
- mov #SYS_futex, r3
- extu.b r3, r3
- trapa #0x14
- SYSCALL_INST_PAD
-
-5:
- 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:
- cfi_endproc
- .size __condvar_w_cleanup, .-__condvar_w_cleanup
-
-
- .section .gcc_except_table,"a",@progbits
-.LexceptSTART:
- .byte DW_EH_PE_omit ! @LPStart format (omit)
- .byte DW_EH_PE_omit ! @TType format (omit)
- .byte DW_EH_PE_sdata4 ! call-site format
- .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:
-
-
-#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, 4
-DW.ref.__gcc_personality_v0:
- .long __gcc_personality_v0
-#endif
+++ /dev/null
-/* Copyright (C) 2003-2014 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, see
- <http://www.gnu.org/licenses/>. */
-
-#include <sysdep.h>
-#include <lowlevellock.h>
-#include <lowlevelrwlock.h>
-#include <pthread-errnos.h>
-#include <tcb-offsets.h>
-#include <kernel-features.h>
-#include "lowlevel-atomic.h"
-
-
- .text
-
- .globl __pthread_rwlock_rdlock
- .type __pthread_rwlock_rdlock,@function
- .align 5
- cfi_startproc
-__pthread_rwlock_rdlock:
- mov.l r12, @-r15
- cfi_adjust_cfa_offset (4)
- cfi_rel_offset (r12, 0)
- mov.l r9, @-r15
- cfi_adjust_cfa_offset (4)
- cfi_rel_offset (r9, 0)
- mov.l r8, @-r15
- cfi_adjust_cfa_offset (4)
- cfi_rel_offset (r8, 0)
- sts.l pr, @-r15
- cfi_adjust_cfa_offset (4)
- cfi_rel_offset (pr, 0)
- mov r4, r8
-
- /* Get the lock. */
- mov #0, r3
- mov #1, r4
-#if MUTEX == 0
- CMPXCHG (r3, @r8, r4, r2)
-#else
- CMPXCHG (r3, @(MUTEX,r8), r4, r2)
-#endif
- bf 1f
-2:
- mov.l @(WRITER,r8), r0
- tst r0, r0
- bf 14f
- mov.l @(WRITERS_QUEUED,r8), r0
- tst r0, r0
- bt 5f
- mov #FLAGS, r0
- mov.b @(r0,r8), r0
- tst r0, r0
- bt 5f
-3:
- mov.l @(READERS_QUEUED,r8), r0
- add #1, r0
- mov.l r0, @(READERS_QUEUED,r8)
- tst r0, r0
- bt 4f
-
- mov.l @(READERS_WAKEUP,r8), r9
-
-#if MUTEX == 0
- DEC (@r8, r2)
-#else
- DEC (@(MUTEX,r8), r2)
-#endif
- tst r2, r2
- bf 10f
-11:
-#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 r8, r4
- add #READERS_WAKEUP, r4
- mov r9, r6
- mov #0, r7
- mov #SYS_futex, r3
- extu.b r3, r3
- trapa #0x14
- SYSCALL_INST_PAD
-
- /* Reget the lock. */
- mov #0, r3
- mov #1, r4
-#if MUTEX == 0
- CMPXCHG (r3, @r8, r4, r2)
-#else
- CMPXCHG (r3, @(MUTEX,r8), r4, r2)
-#endif
- bf 12f
-13:
- mov.l @(READERS_QUEUED,r8), r0
- add #-1, r0
- bra 2b
- mov.l r0, @(READERS_QUEUED,r8)
-
-5:
- mov #0, r3
- mov.l @(NR_READERS,r8), r0
- add #1, r0
- mov.l r0, @(NR_READERS,r8)
- tst r0, r0
- bt 8f
-
-9:
-#if MUTEX == 0
- DEC (@r8, r2)
-#else
- DEC (@(MUTEX,r8), r2)
-#endif
- tst r2, r2
- bf 6f
-7:
- cfi_remember_state
- lds.l @r15+, pr
- cfi_adjust_cfa_offset (-4)
- cfi_restore (pr)
- mov.l @r15+, r8
- cfi_adjust_cfa_offset (-4)
- cfi_restore (r8)
- mov.l @r15+, r9
- cfi_adjust_cfa_offset (-4)
- cfi_restore (r9)
- mov.l @r15+, r12
- cfi_adjust_cfa_offset (-4)
- cfi_restore (r12)
- rts
- mov r3, r0
- cfi_restore_state
-
-#ifndef __ASSUME_PRIVATE_FUTEX
-.Lpfoff:
- .word PRIVATE_FUTEX - TLS_PRE_TCB_SIZE
-#endif
-
-1:
- mov r8, r5
-#if MUTEX != 0
- add #MUTEX, r5
-#endif
- mov #PSHARED, r0
- mov.b @(r0,r8), r6
- extu.b r6, r6
- mov.l .Lwait0, r1
- bsrf r1
- mov r2, r4
-.Lwait0b:
- bra 2b
- nop
-14:
- stc gbr, r1
- mov.w .Ltidoff, r2
- add r2, r1
- mov.l @r1, r1
- cmp/eq r1, r0
- bf 3b
- /* Deadlock detected. */
- bra 9b
- mov #EDEADLK, r3
-
-.Ltidoff:
- .word TID - TLS_PRE_TCB_SIZE
-
-6:
- mov r8, r4
-#if MUTEX != 0
- add #MUTEX, r4
-#endif
- mov #PSHARED, r0
- mov.b @(r0,r8), r5
- extu.b r5, r5
- mov.l .Lwake0, r1
- bsrf r1
- nop
-.Lwake0b:
- bra 7b
- mov #0, r3
-
-8:
- /* Overflow. */
- mov.l @(NR_READERS,r8), r1
- add #-1, r1
- mov.l r1, @(NR_READERS,r8)
- bra 9b
- mov #EAGAIN, r3
-
-4:
- /* Overflow. */
- mov.l @(READERS_QUEUED,r8), r1
- add #-1, r1
- mov.l r1, @(READERS_QUEUED,r8)
- bra 9b
- mov #EAGAIN, r3
-
-10:
- mov r8, r4
-#if MUTEX != 0
- add #MUTEX, r4
-#endif
- mov #PSHARED, r0
- mov.b @(r0,r8), r5
- extu.b r5, r5
- mov.l .Lwake1, r1
- bsrf r1
- nop
-.Lwake1b:
- bra 11b
- nop
-
-12:
- mov r8, r5
-#if MUTEX != 0
- add #MUTEX, r5
-#endif
- mov #PSHARED, r0
- mov.b @(r0,r8), r6
- extu.b r6, r6
- mov.l .Lwait1, r1
- bsrf r1
- mov r2, r4
-.Lwait1b:
- bra 13b
- nop
- cfi_endproc
-
- .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
- .size __pthread_rwlock_rdlock,.-__pthread_rwlock_rdlock
-
-strong_alias (__pthread_rwlock_rdlock, pthread_rwlock_rdlock)
-hidden_def (__pthread_rwlock_rdlock)
+++ /dev/null
-/* Copyright (C) 2003-2014 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, see
- <http://www.gnu.org/licenses/>. */
-
-#include <sysdep.h>
-#include <lowlevellock.h>
-#include <lowlevelrwlock.h>
-#include <pthread-errnos.h>
-#include <tcb-offsets.h>
-#include <kernel-features.h>
-#include "lowlevel-atomic.h"
-
-
- .text
-
- .globl pthread_rwlock_timedrdlock
- .type pthread_rwlock_timedrdlock,@function
- .align 5
- cfi_startproc
-pthread_rwlock_timedrdlock:
- mov.l r12, @-r15
- cfi_adjust_cfa_offset (4)
- cfi_rel_offset (r12, 0)
- mov.l r10, @-r15
- cfi_adjust_cfa_offset (4)
- cfi_rel_offset (r10, 0)
- mov.l r9, @-r15
- cfi_adjust_cfa_offset (4)
- cfi_rel_offset (r9, 0)
- mov.l r8, @-r15
- cfi_adjust_cfa_offset (4)
- cfi_rel_offset (r8, 0)
- sts.l pr, @-r15
- cfi_adjust_cfa_offset (4)
- cfi_rel_offset (pr, 0)
- add #-8, r15
- cfi_adjust_cfa_offset (8)
- mov r4, r8
- mov r5, r9
-
- /* Get the lock. */
- mov #0, r3
- mov #1, r4
-#if MUTEX == 0
- CMPXCHG (r3, @r8, r4, r2)
-#else
- CMPXCHG (r3, @(MUTEX,r8), r4, r2)
-#endif
- bf 1f
-2:
- mov.l @(WRITER,r8), r0
- tst r0, r0
- bf 14f
- mov.l @(WRITERS_QUEUED,r8), r0
- tst r0, r0
- bt 5f
- mov #FLAGS, r0
- mov.b @(r0,r8), r0
- tst r0, r0
- bt 5f
-3:
- /* Check the value of the timeout parameter. */
- mov.l .L1g0, r1
- mov.l @(4,r9), r0
- cmp/hs r1, r0
- bt 19f
-
- mov.l @(READERS_QUEUED,r8), r0
- add #1, r0
- mov.l r0, @(READERS_QUEUED,r8)
- tst r0, r0
- bt 4f
-
- mov.l @(READERS_WAKEUP,r8), r10
-
-#if MUTEX == 0
- DEC (@r8, r2)
-#else
- DEC (@(MUTEX,r8), r2)
-#endif
- tst r2, r2
- bf 10f
-
-11:
- /* Get current time. */
- mov r15, r4
- mov #0, r5
- mov #__NR_gettimeofday, r3
- trapa #0x12
- SYSCALL_INST_PAD
-
- mov.l @(4,r15), r0
- mov.w .L1k0, r1
- dmulu.l r0, r1 /* Milli 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 15f
- mov.l .L1g0, r1
- add r1, r3
- add #-1, r2
-15:
- cmp/pz r2
- bf 16f /* Time is already up. */
-
- /* Store relative timeout. */
- mov.l r2, @r15
- mov.l r3, @(4,r15)
-
- /* Futex call. */
- mov r15, r7
-#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 #READERS_WAKEUP, r4
- mov #SYS_futex, r3
- extu.b r3, r3
- trapa #0x14
- SYSCALL_INST_PAD
- mov r0, r3
-
-17:
- /* Reget the lock. */
- mov #0, r5
- mov #1, r4
-#if MUTEX == 0
- CMPXCHG (r5, @r8, r4, r2)
-#else
- CMPXCHG (r5, @(MUTEX,r8), r4, r2)
-#endif
- bf 12f
-
-13:
- mov.l @(READERS_QUEUED,r8), r0
- add #-1, r0
- mov.l r0, @(READERS_QUEUED,r8)
- mov #-ETIMEDOUT, r0
- cmp/eq r0, r3
- bf 2b
-
-18:
- bra 9f
- mov #ETIMEDOUT, r3
-
-5:
- mov #0, r3
- mov.l @(NR_READERS,r8), r0
- add #1, r0
- mov.l r0, @(NR_READERS,r8)
- tst r0, r0
- bt 8f
-
-9:
-#if MUTEX == 0
- DEC (@r8, r2)
-#else
- DEC (@(MUTEX,r8), r2)
-#endif
- tst r2, r2
- bf 6f
-7:
- cfi_remember_state
- add #8,r15
- cfi_adjust_cfa_offset (-8)
- lds.l @r15+, pr
- cfi_adjust_cfa_offset (-4)
- cfi_restore (pr)
- mov.l @r15+, r8
- cfi_adjust_cfa_offset (-4)
- cfi_restore (r8)
- mov.l @r15+, r9
- cfi_adjust_cfa_offset (-4)
- cfi_restore (r9)
- mov.l @r15+, r10
- cfi_adjust_cfa_offset (-4)
- cfi_restore (r10)
- mov.l @r15+, r12
- cfi_adjust_cfa_offset (-4)
- cfi_restore (r12)
- rts
- mov r3, r0
- cfi_restore_state
-
-#ifndef __ASSUME_PRIVATE_FUTEX
-.Lpfoff:
- .word PRIVATE_FUTEX - TLS_PRE_TCB_SIZE
-#endif
- .align 2
-.L1k0:
- .long 1000
-.L1g0:
- .long 1000000000
-
-1:
- mov r8, r5
-#if MUTEX != 0
- add #MUTEX, r5
-#endif
- mov #PSHARED, r0
- mov.b @(r0,r8), r6
- extu.b r6, r6
- mov.l .Lwait2, r1
- bsrf r1
- mov r2, r4
-.Lwait2b:
- bra 2b
- nop
-14:
- stc gbr, r1
- mov.w .Ltidoff, r2
- add r2, r1
- mov.l @r1, r1
- cmp/eq r1, r0
- bf 3b
- /* Deadlock detected. */
- bra 9b
- mov #EDEADLK, r3
-
-.Ltidoff:
- .word TID - TLS_PRE_TCB_SIZE
-
-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 .Lwake2, r1
- bsrf r1
- nop
-.Lwake2b:
- bra 7b
- mov r10, r3
-
-8:
- /* Overflow. */
- mov.l @(NR_READERS,r8), r1
- add #-1, r1
- mov.l r1, @(NR_READERS,r8)
- bra 9b
- mov #EAGAIN, r3
-
-4:
- /* Overflow. */
- mov.l @(READERS_QUEUED,r8), r1
- add #-1, r1
- mov.l r1, @(READERS_QUEUED,r8)
- bra 9b
- mov #EAGAIN, r3
-
-10:
- mov r8, r4
-#if MUTEX != 0
- add #MUTEX, r4
-#endif
- mov #PSHARED, r0
- mov.b @(r0,r8), r5
- extu.b r5, r5
- mov.l .Lwake3, r1
- bsrf r1
- nop
-.Lwake3b:
- bra 11b
- nop
-
-12:
- mov r3, r10
- mov r8, r5
-#if MUTEX != 0
- add #MUTEX, r5
-#endif
- mov #PSHARED, r0
- mov.b @(r0,r8), r6
- extu.b r6, r6
- mov.l .Lwait3, r1
- bsrf r1
- mov r2, r4
-.Lwait3b:
- bra 13b
- mov r10, r3
-
-16:
- bra 17b
- mov #-ETIMEDOUT, r3
-
-19:
- bra 9b
- mov #EINVAL, r3
- cfi_endproc
-
- .align 2
-.Lwait2:
- .long __lll_lock_wait-.Lwait2b
-.Lwake2:
- .long __lll_unlock_wake-.Lwake2b
-.Lwait3:
- .long __lll_lock_wait-.Lwait3b
-.Lwake3:
- .long __lll_unlock_wake-.Lwake3b
- .size pthread_rwlock_timedrdlock,.-pthread_rwlock_timedrdlock
+++ /dev/null
-/* Copyright (C) 2003-2014 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, see
- <http://www.gnu.org/licenses/>. */
-
-#include <sysdep.h>
-#include <lowlevellock.h>
-#include <lowlevelrwlock.h>
-#include <pthread-errnos.h>
-#include <tcb-offsets.h>
-#include <kernel-features.h>
-#include "lowlevel-atomic.h"
-
-
- .text
-
- .globl pthread_rwlock_timedwrlock
- .type pthread_rwlock_timedwrlock,@function
- .align 5
- cfi_startproc
-pthread_rwlock_timedwrlock:
- mov.l r12, @-r15
- cfi_adjust_cfa_offset (4)
- cfi_rel_offset (r12, 0)
- mov.l r10, @-r15
- cfi_adjust_cfa_offset (4)
- cfi_rel_offset (r10, 0)
- mov.l r9, @-r15
- cfi_adjust_cfa_offset (4)
- cfi_rel_offset (r9, 0)
- mov.l r8, @-r15
- cfi_adjust_cfa_offset (4)
- cfi_rel_offset (r8, 0)
- sts.l pr, @-r15
- cfi_adjust_cfa_offset (4)
- cfi_rel_offset (pr, 0)
- add #-8, r15
- cfi_adjust_cfa_offset (8)
- mov r4, r8
- mov r5, r9
-
- /* Get the lock. */
- mov #0, r3
- mov #1, r4
-#if MUTEX == 0
- CMPXCHG (r3, @r8, r4, r2)
-#else
- CMPXCHG (r3, @(MUTEX,r8), r4, r2)
-#endif
- bf 1f
-2:
- mov.l @(WRITER,r8), r0
- tst r0, r0
- bf 14f
- mov.l @(NR_READERS,r8), r0
- tst r0, r0
- bt 5f
-3:
- /* Check the value of the timeout parameter. */
- mov.l .L1g1, r1
- mov.l @(4,r9), r0
- cmp/hs r1, r0
- bt 19f
-
- mov.l @(WRITERS_QUEUED,r8), r0
- add #1, r0
- mov.l r0, @(WRITERS_QUEUED,r8)
- tst r0, r0
- bt 4f
-
- mov.l @(WRITERS_WAKEUP,r8), r10
-
-#if MUTEX == 0
- DEC (@r8, r2)
-#else
- DEC (@(MUTEX,r8), r2)
-#endif
- tst r2, r2
- bf 10f
-
-11:
- /* Get current time. */
- mov r15, r4
- mov #0, r5
- mov #__NR_gettimeofday, r3
- trapa #0x12
- SYSCALL_INST_PAD
-
- mov.l @(4,r15), r0
- mov.w .L1k1, r1
- dmulu.l r0, r1 /* Milli 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 15f
- mov.l .L1g1, r1
- add r1, r3
- add #-1, r2
-15:
- cmp/pz r2
- bf 16f /* Time is already up. */
-
- /* Store relative timeout. */
- mov.l r2, @r15
- mov.l r3, @(4,r15)
-
- /* Futex call. */
- mov r15, r7
-#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
- mov #SYS_futex, r3
- extu.b r3, r3
- trapa #0x14
- SYSCALL_INST_PAD
- mov r0, r3
-
-17:
- /* Reget the lock. */
- mov #0, r5
- mov #1, r4
-#if MUTEX == 0
- CMPXCHG (r5, @r8, r4, r2)
-#else
- CMPXCHG (r5, @(MUTEX,r8), r4, r2)
-#endif
- bf 12f
-
-13:
- mov.l @(WRITERS_QUEUED,r8), r0
- add #-1, r0
- mov.l r0, @(WRITERS_QUEUED,r8)
- mov #-ETIMEDOUT, r0
- cmp/eq r0, r3
- bf 2b
-
-18:
- bra 9f
- mov #ETIMEDOUT, r3
-
-19:
- bra 9f
- mov #EINVAL, r3
-
-5:
- mov #0, r3
- stc gbr, r0
- mov.w .Ltidoff, r1
- mov.l @(r0,r1), r0
- mov.l r0, @(WRITER,r8)
-9:
-#if MUTEX == 0
- DEC (@r8, r2)
-#else
- DEC (@(MUTEX,r8), r2)
-#endif
- tst r2, r2
- bf 6f
-7:
- cfi_remember_state
- add #8,r15
- cfi_adjust_cfa_offset (-8)
- lds.l @r15+, pr
- cfi_adjust_cfa_offset (-4)
- cfi_restore (pr)
- mov.l @r15+, r8
- cfi_adjust_cfa_offset (-4)
- cfi_restore (r8)
- mov.l @r15+, r9
- cfi_adjust_cfa_offset (-4)
- cfi_restore (r9)
- mov.l @r15+, r10
- cfi_adjust_cfa_offset (-4)
- cfi_restore (r10)
- mov.l @r15+, r12
- cfi_adjust_cfa_offset (-4)
- cfi_restore (r12)
- rts
- mov r3, r0
- cfi_restore_state
-
-#ifndef __ASSUME_PRIVATE_FUTEX
-.Lpfoff:
- .word PRIVATE_FUTEX - TLS_PRE_TCB_SIZE
-#endif
-.L1k1:
- .word 1000
- .align 2
-.L1g1:
- .long 1000000000
-
-1:
- mov r8, r5
-#if MUTEX != 0
- add #MUTEX, r5
-#endif
- mov #PSHARED, r0
- mov.b @(r0,r8), r6
- extu.b r6, r6
- mov.l .Lwait6, r1
- bsrf r1
- mov r2, r4
-.Lwait6b:
- bra 2b
- nop
-14:
- stc gbr, r1
- mov.w .Ltidoff, r2
- add r2, r1
- mov.l @r1, r1
- cmp/eq r1, r0
- bf 3b
- 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 r10, r3
-
-.Ltidoff:
- .word TID - TLS_PRE_TCB_SIZE
-
-4:
- /* Overflow. */
- mov.l @(WRITERS_QUEUED,r8), r1
- add #-1, r1
- mov.l r1, @(WRITERS_QUEUED,r8)
- bra 9b
- mov #EAGAIN, r3
-
-10:
- mov r8, r4
-#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
-.Lwake7b:
- bra 11b
- nop
-
-12:
- mov r3, r10
- mov r8, r5
-#if MUTEX != 0
- add #MUTEX, r5
-#endif
- mov #PSHARED, r0
- mov.b @(r0,r8), r6
- extu.b r6, r6
- mov.l .Lwait7, r1
- bsrf r1
- mov r2, r4
-.Lwait7b:
- bra 13b
- mov r10, r3
-
-16:
- bra 17b
- mov #-ETIMEDOUT, r3
- cfi_endproc
-
- .align 2
-.Lwait6:
- .long __lll_lock_wait-.Lwait6b
-.Lwake6:
- .long __lll_unlock_wake-.Lwake6b
-.Lwait7:
- .long __lll_lock_wait-.Lwait7b
-.Lwake7:
- .long __lll_unlock_wake-.Lwake7b
- .size pthread_rwlock_timedwrlock,.-pthread_rwlock_timedwrlock
+++ /dev/null
-/* Copyright (C) 2003-2014 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, see
- <http://www.gnu.org/licenses/>. */
-
-#include <sysdep.h>
-#include <lowlevellock.h>
-#include <lowlevelrwlock.h>
-#include <kernel-features.h>
-#include "lowlevel-atomic.h"
-
-
- .text
-
- .globl __pthread_rwlock_unlock
- .type __pthread_rwlock_unlock,@function
- .align 5
- cfi_startproc
-__pthread_rwlock_unlock:
- mov.l r12, @-r15
- cfi_adjust_cfa_offset (4)
- cfi_rel_offset (r12, 0)
- mov.l r8, @-r15
- cfi_adjust_cfa_offset (4)
- cfi_rel_offset (r8, 0)
- sts.l pr, @-r15
- cfi_adjust_cfa_offset (4)
- cfi_rel_offset (pr, 0)
- mov r4, r8
-
- /* Get the lock. */
- mov #0, r3
- mov #1, r4
-#if MUTEX == 0
- CMPXCHG (r3, @r8, r4, r2)
-#else
- CMPXCHG (r3, @(MUTEX,r8), r4, r2)
-#endif
- bf 1f
-2:
- mov.l @(WRITER,r8), r0
- tst r0, r0
- bf 5f
- mov.l @(NR_READERS,r8), r0
- add #-1, r0
- mov.l r0, @(NR_READERS,r8)
- tst r0, r0
- bf 6f
-5:
- mov #0, r0
- mov.l r0, @(WRITER,r8)
- mov #1, r6
- mov r8, r4
- add #WRITERS_WAKEUP, r4
- mov.l @(WRITERS_QUEUED,r8), r0
- tst r0, r0
- bf 0f
-
- /* If also no readers waiting nothing to do. */
- mov.l @(READERS_QUEUED,r8), r0
- tst r0, r0
- bt 6f
-
- mov #-1, r6
- shlr r6 /* r6 = 0x7fffffff */
- mov r8, r4
- add #READERS_WAKEUP, r4
-
-0:
- mov.l @r4, r0
- add #1, r0
- mov.l r0, @r4
-#if MUTEX == 0
- DEC (@r8, r2)
-#else
- DEC (@(MUTEX,r8), r2)
-#endif
- tst r2, r2
- bf 7f
-
-8:
-#ifdef __ASSUME_PRIVATE_FUTEX
- mov #PSHARED, r0
- mov.b @(r0,r8), r5
- mov #(FUTEX_PRIVATE_FLAG|FUTEX_WAKE), r0
- xor r0, r5
- extu.b r5, r5
-#else
- mov #PSHARED, r0
- mov.b @(r0,r8), r5
- extu.b r5, r5
- mov #FUTEX_WAKE, r0
- or r0, r5
- stc gbr, r1
- mov.w .Lpfoff, r2
- add r2, r1
- mov.l @r1, r0
- xor r0, r5
-#endif
- mov #SYS_futex, r3
- mov #0, r7
- extu.b r3, r3
- trapa #0x14
- SYSCALL_INST_PAD
-
- cfi_remember_state
- lds.l @r15+, pr
- cfi_adjust_cfa_offset (-4)
- cfi_restore (pr)
- mov.l @r15+, r8
- cfi_adjust_cfa_offset (-4)
- cfi_restore (r8)
- mov.l @r15+, r12
- cfi_adjust_cfa_offset (-4)
- cfi_restore (r12)
- rts
- mov #0, r0
- cfi_restore_state
-6:
-#if MUTEX == 0
- DEC (@r8, r2)
-#else
- DEC (@(MUTEX,r8), r2)
-#endif
- tst r2, r2
- bf 3f
-4:
- cfi_remember_state
- lds.l @r15+, pr
- cfi_adjust_cfa_offset (-4)
- cfi_restore (pr)
- mov.l @r15+, r8
- cfi_adjust_cfa_offset (-4)
- cfi_restore (r8)
- mov.l @r15+, r12
- cfi_adjust_cfa_offset (-4)
- cfi_restore (r12)
- rts
- mov #0, r0
- cfi_restore_state
-
-1:
- mov r8, r5
-#if MUTEX != 0
- add #MUTEX, r5
-#endif
- mov #PSHARED, r0
- mov.b @(r0,r8), r6
- extu.b r6, r6
- mov.l .Lwait8, r1
- bsrf r1
- mov r2, r4
-.Lwait8b:
- bra 2b
- nop
-3:
- mov r8, r4
-#if MUTEX != 0
- add #MUTEX, r4
-#endif
- mov #PSHARED, r0
- mov.b @(r0,r8), r5
- extu.b r5, r5
- mov.l .Lwake8, r1
- bsrf r1
- nop
-.Lwake8b:
- bra 4b
- nop
-
-7:
- mov.l r4, @-r15
- cfi_adjust_cfa_offset (4)
- mov.l r6, @-r15
- cfi_adjust_cfa_offset (4)
- mov r8, r4
-#if MUTEX != 0
- add #MUTEX, r4
-#endif
- mov #PSHARED, r0
- mov.b @(r0,r8), r5
- extu.b r5, r5
- mov.l .Lwake9, r1
- bsrf r1
- nop
-.Lwake9b:
-
- mov.l @r15+, r6
- cfi_adjust_cfa_offset (-4)
- bra 8b
- mov.l @r15+, r4
-
- cfi_endproc
-
-#ifndef __ASSUME_PRIVATE_FUTEX
-.Lpfoff:
- .word PRIVATE_FUTEX - TLS_PRE_TCB_SIZE
-#endif
- .align 2
-.Lwait8:
- .long __lll_lock_wait-.Lwait8b
-.Lwake8:
- .long __lll_unlock_wake-.Lwake8b
-.Lwake9:
- .long __lll_unlock_wake-.Lwake9b
- .size __pthread_rwlock_unlock,.-__pthread_rwlock_unlock
-
-strong_alias (__pthread_rwlock_unlock, pthread_rwlock_unlock)
-hidden_def (__pthread_rwlock_unlock)
+++ /dev/null
-/* Copyright (C) 2003-2014 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, see
- <http://www.gnu.org/licenses/>. */
-
-#include <sysdep.h>
-#include <lowlevellock.h>
-#include <lowlevelrwlock.h>
-#include <pthread-errnos.h>
-#include <tcb-offsets.h>
-#include <kernel-features.h>
-#include "lowlevel-atomic.h"
-
-
- .text
-
- .globl __pthread_rwlock_wrlock
- .type __pthread_rwlock_wrlock,@function
- .align 5
- cfi_startproc
-__pthread_rwlock_wrlock:
- mov.l r12, @-r15
- cfi_adjust_cfa_offset (4)
- cfi_rel_offset (r12, 0)
- mov.l r9, @-r15
- cfi_adjust_cfa_offset (4)
- cfi_rel_offset (r9, 0)
- mov.l r8, @-r15
- cfi_adjust_cfa_offset (4)
- cfi_rel_offset (r8, 0)
- sts.l pr, @-r15
- cfi_adjust_cfa_offset (4)
- cfi_rel_offset (pr, 0)
- mov r4, r8
-
- /* Get the lock. */
- mov #0, r3
- mov #1, r4
-#if MUTEX == 0
- CMPXCHG (r3, @r8, r4, r2)
-#else
- CMPXCHG (r3, @(MUTEX,r8), r4, r2)
-#endif
- bf 1f
-2:
- mov.l @(WRITER,r8), r0
- tst r0, r0
- bf 14f
- mov.l @(NR_READERS,r8), r0
- tst r0, r0
- bt 5f
-3:
- mov.l @(WRITERS_QUEUED,r8), r0
- add #1, r0
- mov.l r0, @(WRITERS_QUEUED,r8)
- tst r0, r0
- bt 4f
-
- mov.l @(WRITERS_WAKEUP,r8), r9
-
-#if MUTEX == 0
- DEC (@r8, r2)
-#else
- DEC (@(MUTEX,r8), r2)
-#endif
- tst r2, r2
- bf 10f
-11:
- mov r8, r4
- add #WRITERS_WAKEUP, r4
-#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 r9, r6
- mov #0, r7
- mov #SYS_futex, r3
- extu.b r3, r3
- trapa #0x14
- SYSCALL_INST_PAD
-
- /* Reget the lock. */
- mov #0, r3
- mov #1, r4
-#if MUTEX == 0
- CMPXCHG (r3, @r8, r4, r2)
-#else
- CMPXCHG (r3, @(MUTEX,r8), r4, r2)
-#endif
- bf 12f
-13:
- mov.l @(WRITERS_QUEUED,r8), r0
- add #-1, r0
- bra 2b
- mov.l r0, @(WRITERS_QUEUED,r8)
-
-5:
- mov #0, r3
- stc gbr, r0
- mov.w .Ltidoff, r1
- mov.l @(r0,r1), r0
- mov.l r0, @(WRITER,r8)
-9:
-#if MUTEX == 0
- DEC (@r8, r2)
-#else
- DEC (@(MUTEX,r8), r2)
-#endif
- tst r2, r2
- bf 6f
-7:
- cfi_remember_state
- lds.l @r15+, pr
- cfi_adjust_cfa_offset (-4)
- cfi_restore (pr)
- mov.l @r15+, r8
- cfi_adjust_cfa_offset (-4)
- cfi_restore (r8)
- mov.l @r15+, r9
- cfi_adjust_cfa_offset (-4)
- cfi_restore (r9)
- mov.l @r15+, r12
- cfi_adjust_cfa_offset (-4)
- cfi_restore (r12)
- rts
- mov r3, r0
- cfi_restore_state
-
-1:
- mov r8, r5
-#if MUTEX != 0
- add #MUTEX, r5
-#endif
- mov #PSHARED, r0
- mov.b @(r0,r8), r6
- extu.b r6, r6
- mov.l .Lwait4, r1
- bsrf r1
- mov r2, r4
-.Lwait4b:
- bra 2b
- nop
-14:
- stc gbr, r1
- mov.w .Ltidoff, r2
- add r2, r1
- mov.l @r1, r1
- cmp/eq r1, r0
- bf 3b
- bra 9b
- mov #EDEADLK, r3
-6:
- mov r8, r4
-#if MUTEX != 0
- add #MUTEX, r4
-#endif
- mov #PSHARED, r0
- mov.b @(r0,r8), r5
- extu.b r5, r5
- mov.l .Lwake4, r1
- bsrf r1
- nop
-.Lwake4b:
- bra 7b
- mov #0, r3
-
-#ifndef __ASSUME_PRIVATE_FUTEX
-.Lpfoff:
- .word PRIVATE_FUTEX - TLS_PRE_TCB_SIZE
-#endif
-.Ltidoff:
- .word TID - TLS_PRE_TCB_SIZE
-
-4:
- mov.l @(WRITERS_QUEUED,r8), r1
- add #-1, r1
- mov.l r1, @(WRITERS_QUEUED,r8)
- bra 9b
- mov #EAGAIN, r3
-
-10:
- mov r8, r4
-#if MUTEX != 0
- add #MUTEX, r4
-#endif
- mov #PSHARED, r0
- mov.b @(r0,r8), r5
- extu.b r5, r5
- mov.l .Lwake5, r1
- bsrf r1
- nop
-.Lwake5b:
- bra 11b
- nop
-
-12:
- mov r8, r5
-#if MUTEX != 0
- add #MUTEX, r5
-#endif
- mov #PSHARED, r0
- mov.b @(r0,r8), r6
- extu.b r6, r6
- mov.l .Lwait5, r1
- bsrf r1
- mov r2, r4
-.Lwait5b:
- bra 13b
- nop
-
- cfi_endproc
-
- .align 2
-.Lwait4:
- .long __lll_lock_wait-.Lwait4b
-.Lwake4:
- .long __lll_unlock_wake-.Lwake4b
-.Lwait5:
- .long __lll_lock_wait-.Lwait5b
-.Lwake5:
- .long __lll_unlock_wake-.Lwake5b
-
-strong_alias (__pthread_rwlock_wrlock, pthread_rwlock_wrlock)
-hidden_def (__pthread_rwlock_wrlock)
+++ /dev/null
-/* Copyright (C) 2003-2014 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, see
- <http://www.gnu.org/licenses/>. */
-
-#include <sysdep.h>
-#include <shlib-compat.h>
-#include <pthread-errnos.h>
-#include <structsem.h>
-#include <lowlevellock.h>
-#include "lowlevel-atomic.h"
-
-
- .text
-
- .globl __new_sem_post
- .type __new_sem_post,@function
- .align 5
- cfi_startproc
-__new_sem_post:
- mov.l @(VALUE,r4), r2
-0:
- mov.l .Lmax, r1
- cmp/eq r1, r2
- bt/s 3f
- mov r2, r3
- mov r3, r5
- add #1, r5
- CMPXCHG (r3, @(VALUE,r4), r5, r2)
- bf 0b
- mov.l @(NWAITERS,r4), r2
- tst r2, r2
- bt 2f
- mov #FUTEX_WAKE, r5
- mov.l @(PRIVATE,r4), r1
- or r1, r5
- mov #1, r6
- mov #0, r7
- mov #SYS_futex, r3
- extu.b r3, r3
- trapa #0x14
- SYSCALL_INST_PAD
-
- cmp/pz r0
- bf 1f
-2:
- rts
- mov #0, r0
-
-1:
- bra 4f
- mov #EINVAL, r2
-
-3:
- mov #EOVERFLOW, r2
-4:
- mov.l r12, @-r15
- cfi_adjust_cfa_offset (4)
- cfi_rel_offset (r12, 0)
- mov.l r8, @-r15
- cfi_adjust_cfa_offset (4)
- cfi_rel_offset (r8, 0)
- sts.l pr, @-r15
- cfi_adjust_cfa_offset (4)
- cfi_rel_offset (pr, 0)
- mova .Lgot3, r0
- mov.l .Lgot3, r12
- add r0, r12
-
- mov.l .Lerrno3, r0
- stc gbr, r1
- mov.l @(r0, r12), r0
- bra .Lexit
- add r1, r0
- .align 2
-.Lerrno3:
- .long errno@GOTTPOFF
-.Lexit:
- mov.l r2, @r0
- lds.l @r15+, pr
- cfi_adjust_cfa_offset (-4)
- cfi_restore (pr)
- mov.l @r15+, r8
- cfi_adjust_cfa_offset (-4)
- cfi_restore (r8)
- mov.l @r15+, r12
- cfi_adjust_cfa_offset (-4)
- cfi_restore (r12)
- rts
- mov #-1, r0
- cfi_endproc
-
- .align 2
-.Lmax:
- .long SEM_VALUE_MAX
-.Lgot3:
- .long _GLOBAL_OFFSET_TABLE_
- .size __new_sem_post,.-__new_sem_post
- versioned_symbol(libpthread, __new_sem_post, sem_post, GLIBC_2_1)
+++ /dev/null
-/* Copyright (C) 2003-2014 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, see
- <http://www.gnu.org/licenses/>. */
-
-#include <sysdep.h>
-#include <shlib-compat.h>
-#include <pthread-errnos.h>
-#include <tcb-offsets.h>
-#include <structsem.h>
-#include <lowlevellock.h>
-#include "lowlevel-atomic.h"
-
-
-#if VALUE != 0
-# error "code needs to be rewritten for VALUE != 0"
-#endif
-
- .text
-
- .globl sem_timedwait
- .type sem_timedwait,@function
- .align 5
- cfi_startproc
-sem_timedwait:
-.LSTARTCODE:
-#ifdef SHARED
- cfi_personality(DW_EH_PE_pcrel | DW_EH_PE_sdata4 | DW_EH_PE_indirect,
- DW.ref.__gcc_personality_v0)
- cfi_lsda(DW_EH_PE_pcrel | DW_EH_PE_sdata4, .LexceptSTART)
-#else
- cfi_personality(DW_EH_PE_absptr, __gcc_personality_v0)
- cfi_lsda(DW_EH_PE_absptr, .LexceptSTART)
-#endif
- mov.l @r4, r0
-2:
- tst r0, r0
- bt 1f
- mov r0, r3
- mov r0, r6
- add #-1, r3
- CMPXCHG (r6, @r4, r3, r2)
- bf/s 2b
- mov r2, r0
- rts
- mov #0, r0
-
-1:
- /* Check whether the timeout value is valid. */
- mov.l r8, @-r15
- cfi_adjust_cfa_offset (4)
- cfi_rel_offset (r8, 0)
- mov.l r9, @-r15
- cfi_adjust_cfa_offset (4)
- cfi_rel_offset (r9, 0)
- mov.l r10, @-r15
- cfi_adjust_cfa_offset (4)
- cfi_rel_offset (r10, 0)
- mov.l r12, @-r15
- cfi_adjust_cfa_offset (4)
- cfi_rel_offset (r12, 0)
- sts.l pr, @-r15
- cfi_adjust_cfa_offset (4)
- cfi_rel_offset (pr, 0)
- add #-8, r15
- cfi_adjust_cfa_offset (8)
-
- mov r4, r8
- mov r5, r9
-
- /* Check for invalid nanosecond field. */
- mov.l @(4,r9), r0
- mov.l .L1g, r1
- cmp/hs r1, r0
- bt/s .Lerrno_exit
- mov #EINVAL, r10
- INC (@(NWAITERS,r8),r2)
-
-7:
- /* Compute relative timeout. */
- mov r15, r4
- mov #0, r5
- mov #__NR_gettimeofday, r3
- trapa #0x12
- SYSCALL_INST_PAD
-
- mov.l @(4,r15), r0
- mov.w .L1k, r1
- dmulu.l r0, r1 /* Milli 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 5f
- mov.l .L1g, r1
- add r1, r3
- add #-1, r2
-5:
- cmp/pz r2
- bf/s 6f /* Time is already up. */
- mov #ETIMEDOUT, r0
-
- /* Store relative timeout. */
- mov.l r2, @r15
- mov.l r3, @(4,r15)
-
-.LcleanupSTART:
- mov.l .Lenable0, r1
- bsrf r1
- nop
-.Lenable0b:
- mov r0, r10
-
- mov r8, r4
-#if FUTEX_WAIT == 0
- mov.l @(PRIVATE,r8), r5
-#else
- mov.l @(PRIVATE,r8), r5
- mov #FUTEX_WAIT, r0
- or r0, r5
-#endif
- mov #0, r6
- mov r15, r7
- mov #SYS_futex, r3
- extu.b r3, r3
- trapa #0x14
- SYSCALL_INST_PAD
-
- mov.l .Ldisable0, r1
- mov r10, r4
- bsrf r1
- mov r0, r10
-.Ldisable0b:
- mov r10, r0
-.LcleanupEND:
-
- tst r0, r0
- bt 9f
- cmp/eq #-EWOULDBLOCK, r0
- bf 3f
-9:
- mov.l @r8, r0
-8:
- tst r0, r0
- bt 7b
-
- mov r0, r3
- mov r0, r4
- add #-1, r3
- CMPXCHG (r4, @r8, r3, r2)
- bf/s 8b
- mov r2, r0
-
- DEC (@(NWAITERS,r8), r2)
- mov #0, r0
-
-10:
- cfi_remember_state
- add #8, r15
- cfi_adjust_cfa_offset (-8)
- lds.l @r15+, pr
- cfi_adjust_cfa_offset (-4)
- cfi_restore (pr)
- mov.l @r15+, r12
- cfi_adjust_cfa_offset (-4)
- cfi_restore (r12)
- mov.l @r15+, r10
- cfi_adjust_cfa_offset (-4)
- cfi_restore (r10)
- mov.l @r15+, r9
- cfi_adjust_cfa_offset (-4)
- cfi_restore (r9)
- mov.l @r15+, r8
- cfi_adjust_cfa_offset (-4)
- cfi_restore (r8)
- rts
- nop
- cfi_restore_state
-
-3:
- neg r0, r0
-6:
- mov r0, r10
- DEC (@(NWAITERS,r8), r2)
-.Lerrno_exit:
- mova .Lgot2, r0
- mov.l .Lgot2, r12
- add r0, r12
-
- mov.l .Lerrno2, r0
- stc gbr, r1
- mov.l @(r0, r12), r0
- bra .Lexit
- add r1, r0
- .align 2
-.Lerrno2:
- .long errno@GOTTPOFF
-.Lexit:
- mov.l r10, @r0
- bra 10b
- mov #-1, r0
-
-.L1k:
- .word 1000
- .align 2
-.L1g:
- .long 1000000000
-.Lgot2:
- .long _GLOBAL_OFFSET_TABLE_
-.Lenable0:
- .long __pthread_enable_asynccancel-.Lenable0b
-.Ldisable0:
- .long __pthread_disable_asynccancel-.Ldisable0b
- .size sem_timedwait,.-sem_timedwait
-
- .type sem_wait_cleanup,@function
-sem_wait_cleanup:
- DEC (@(NWAITERS,r8), r2)
-.LcallUR:
- mov.l .Lresume, r1
-#ifdef PIC
- add r12, r1
-#endif
- jsr @r1
- nop
- sleep
-
- .align 2
-.Lresume:
-#ifdef PIC
- .long _Unwind_Resume@GOTOFF
-#else
- .long _Unwind_Resume
-#endif
-.LENDCODE:
- cfi_endproc
- .size sem_wait_cleanup,.-sem_wait_cleanup
-
-
- .section .gcc_except_table,"a",@progbits
-.LexceptSTART:
- .byte DW_EH_PE_omit ! @LPStart format (omit)
- .byte DW_EH_PE_omit ! @TType format (omit)
- .byte DW_EH_PE_uleb128 ! call-site format
- .uleb128 .Lcstend-.Lcstbegin
-.Lcstbegin:
- .uleb128 .LcleanupSTART-.LSTARTCODE
- .uleb128 .LcleanupEND-.LcleanupSTART
- .uleb128 sem_wait_cleanup-.LSTARTCODE
- .uleb128 0
- .uleb128 .LcallUR-.LSTARTCODE
- .uleb128 .LENDCODE-.LcallUR
- .uleb128 0
- .uleb128 0
-.Lcstend:
-
-#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, 4
-DW.ref.__gcc_personality_v0:
- .long __gcc_personality_v0
-#endif
+++ /dev/null
-/* Copyright (C) 2003-2014 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, see
- <http://www.gnu.org/licenses/>. */
-
-#include <sysdep.h>
-#include <shlib-compat.h>
-#include <pthread-errnos.h>
-#include <lowlevellock.h>
-#include "lowlevel-atomic.h"
-
-
- .text
-
- .globl __new_sem_trywait
- .type __new_sem_trywait,@function
- .align 5
- cfi_startproc
-__new_sem_trywait:
- mov.l r12, @-r15
- cfi_adjust_cfa_offset (4)
- cfi_rel_offset (r12, 0)
- mov.l r8, @-r15
- cfi_adjust_cfa_offset (4)
- cfi_rel_offset (r8, 0)
- sts.l pr, @-r15
- cfi_adjust_cfa_offset (4)
- cfi_rel_offset (pr, 0)
- mov r4, r8
- mov.l @r8, r0
-2:
- tst r0, r0
- bt 1f
-
- mov r0, r3
- mov r0, r4
- add #-1, r3
- CMPXCHG (r4, @r8, r3, r2)
- bf/s 2b
- mov r2, r0
-
- cfi_remember_state
- lds.l @r15+, pr
- cfi_adjust_cfa_offset (-4)
- cfi_restore (pr)
- mov.l @r15+, r8
- cfi_adjust_cfa_offset (-4)
- cfi_restore (r8)
- mov.l @r15+, r12
- cfi_adjust_cfa_offset (-4)
- cfi_restore (r12)
- rts
- mov #0, r0
- cfi_restore_state
-
-1:
- mov #EAGAIN, r8
- mova .Lgot1, r0
- mov.l .Lgot1, r12
- add r0, r12
-
- mov.l .Lerrno1, r0
- stc gbr, r1
- mov.l @(r0, r12), r0
- bra .Lexit
- add r1, r0
- .align 2
-.Lerrno1:
- .long errno@GOTTPOFF
-.Lexit:
- mov.l r8, @r0
- lds.l @r15+, pr
- cfi_adjust_cfa_offset (-4)
- cfi_restore (pr)
- mov.l @r15+, r8
- cfi_adjust_cfa_offset (-4)
- cfi_restore (r8)
- mov.l @r15+, r12
- cfi_adjust_cfa_offset (-4)
- cfi_restore (r12)
- rts
- mov #-1, r0
-
- cfi_endproc
-
- .align 2
-.Lgot1:
- .long _GLOBAL_OFFSET_TABLE_
- .size __new_sem_trywait,.-__new_sem_trywait
- versioned_symbol(libpthread, __new_sem_trywait, sem_trywait, GLIBC_2_1)
+++ /dev/null
-/* Copyright (C) 2003-2014 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, see
- <http://www.gnu.org/licenses/>. */
-
-#include <sysdep.h>
-#include <shlib-compat.h>
-#include <pthread-errnos.h>
-#include <tcb-offsets.h>
-#include <structsem.h>
-#include <lowlevellock.h>
-#include "lowlevel-atomic.h"
-
-
-#if VALUE != 0
-# error "code needs to be rewritten for VALUE != 0"
-#endif
-
- .text
-
- .globl __new_sem_wait
- .type __new_sem_wait,@function
- .align 5
- cfi_startproc
-__new_sem_wait:
-.LSTARTCODE:
-#ifdef SHARED
- cfi_personality(DW_EH_PE_pcrel | DW_EH_PE_sdata4 | DW_EH_PE_indirect,
- DW.ref.__gcc_personality_v0)
- cfi_lsda(DW_EH_PE_pcrel | DW_EH_PE_sdata4, .LexceptSTART)
-#else
- cfi_personality(DW_EH_PE_absptr, __gcc_personality_v0)
- cfi_lsda(DW_EH_PE_absptr, .LexceptSTART)
-#endif
- mov.l r8, @-r15
- cfi_adjust_cfa_offset (4)
- cfi_rel_offset (r8, 0)
- mov.l r10, @-r15
- cfi_adjust_cfa_offset (4)
- cfi_rel_offset (r10, 0)
- mov.l r12, @-r15
- cfi_adjust_cfa_offset (4)
- cfi_rel_offset (r12, 0)
- sts.l pr, @-r15
- cfi_adjust_cfa_offset (4)
- cfi_rel_offset (pr, 0)
-
- mov r4, r8
- mov.l @r8, r0
-2:
- tst r0, r0
- bt 1f
- mov r0, r3
- mov r0, r4
- add #-1, r3
- CMPXCHG (r4, @r8, r3, r2)
- bf/s 2b
- mov r2, r0
-7:
- mov #0, r0
-9:
- cfi_remember_state
- lds.l @r15+, pr
- cfi_adjust_cfa_offset (-4)
- cfi_restore (pr)
- mov.l @r15+, r12
- cfi_adjust_cfa_offset (-4)
- cfi_restore (r12)
- mov.l @r15+, r10
- cfi_adjust_cfa_offset (-4)
- cfi_restore (r10)
- rts
- mov.l @r15+, r8
- /* Omit CFI for restore in delay slot. */
- cfi_restore_state
-
-.Lafter_ret:
-1:
- INC (@(NWAITERS,r8),r2)
-
-.LcleanupSTART:
-6:
- mov.l .Lenable0, r1
- bsrf r1
- nop
-.Lenable0b:
- mov r0, r10
-
- mov r8, r4
-#if FUTEX_WAIT == 0
- mov.l @(PRIVATE,r8), r5
-#else
- mov.l @(PRIVATE,r8), r5
- mov #FUTEX_WAIT, r0
- or r0, r5
-#endif
- mov #0, r6
- mov #0, r7
- mov #SYS_futex, r3
- extu.b r3, r3
- trapa #0x14
- SYSCALL_INST_PAD
-
- mov.l .Ldisable0, r1
- mov r10, r4
- bsrf r1
- mov r0, r10
-.Ldisable0b:
- mov r10, r0
-.LcleanupEND:
-
- tst r0, r0
- bt 3f
- cmp/eq #-EWOULDBLOCK, r0
- bf 4f
-
-3:
- mov.l @r8, r0
-5:
- tst r0, r0
- bt 6b
-
- mov r0, r3
- mov r0, r4
- add #-1, r3
- CMPXCHG (r4, @r8, r3, r2)
- bf/s 5b
- mov r2, r0
-
- DEC (@(NWAITERS,r8), r2)
- bra 7b
- nop
-
-4:
- neg r0, r0
- mov r0, r4
- DEC (@(NWAITERS,r8), r2)
- mov r4, r8
- mova .Lgot0, r0
- mov.l .Lgot0, r12
- add r0, r12
-
- mov.l .Lerrno0, r0
- stc gbr, r1
- mov.l @(r0, r12), r0
- bra .Lexit
- add r1, r0
- .align 2
-.Lerrno0:
- .long errno@GOTTPOFF
-.Lexit:
- mov.l r8, @r0
- bra 9b
- mov #-1, r0
-
- .align 2
-.Lgot0:
- .long _GLOBAL_OFFSET_TABLE_
-.Lenable0:
- .long __pthread_enable_asynccancel-.Lenable0b
-.Ldisable0:
- .long __pthread_disable_asynccancel-.Ldisable0b
- .size __new_sem_wait,.-__new_sem_wait
- versioned_symbol(libpthread, __new_sem_wait, sem_wait, GLIBC_2_1)
-
-
- .type sem_wait_cleanup,@function
-sem_wait_cleanup:
- DEC (@(NWAITERS,r8), r2)
-.LcallUR:
- mov.l .Lresume, r1
-#ifdef PIC
- add r12, r1
-#endif
- jsr @r1
- nop
- sleep
-
- .align 2
-.Lresume:
-#ifdef PIC
- .long _Unwind_Resume@GOTOFF
-#else
- .long _Unwind_Resume
-#endif
-.LENDCODE:
- cfi_endproc
- .size sem_wait_cleanup,.-sem_wait_cleanup
-
-
- .section .gcc_except_table,"a",@progbits
-.LexceptSTART:
- .byte DW_EH_PE_omit ! @LPStart format (omit)
- .byte DW_EH_PE_omit ! @TType format (omit)
- .byte DW_EH_PE_uleb128 ! call-site format
- .uleb128 .Lcstend-.Lcstbegin
-.Lcstbegin:
- .uleb128 .LcleanupSTART-.LSTARTCODE
- .uleb128 .LcleanupEND-.LcleanupSTART
- .uleb128 sem_wait_cleanup-.LSTARTCODE
- .uleb128 0
- .uleb128 .LcallUR-.LSTARTCODE
- .uleb128 .LENDCODE-.LcallUR
- .uleb128 0
- .uleb128 0
-.Lcstend:
-
-#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, 4
-DW.ref.__gcc_personality_v0:
- .long __gcc_personality_v0
-#endif
+++ /dev/null
-/* 4 instruction cycles not accessing cache and TLB are needed after
- trapa instruction to avoid an SH-4 silicon bug. */
-#define NEED_SYSCALL_INST_PAD
-#include_next <lowlevellock.h>
projects / platform / upstream / glibc.git / commitdiff