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authorRoland McGrath <roland@hack.frob.com>2014-05-14 12:33:43 -0700
committerRoland McGrath <roland@hack.frob.com>2014-05-14 12:33:43 -0700
commitc96067bce58414214474bb5b42be86ffbf525670 (patch)
treef9513abfd26395bc43c7c62a17256f05230a3ae9 /nptl/sysdeps/unix/sysv/linux/x86_64/pthread_rwlock_wrlock.S
parentec136444ca77f7a64e2c3616fc560b6410a767d2 (diff)
Move remaining nptl/sysdeps/unix/sysv/linux/x86_64/ files.
Diffstat (limited to 'nptl/sysdeps/unix/sysv/linux/x86_64/pthread_rwlock_wrlock.S')
-rw-r--r--nptl/sysdeps/unix/sysv/linux/x86_64/pthread_rwlock_wrlock.S165
1 files changed, 0 insertions, 165 deletions
diff --git a/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_rwlock_wrlock.S b/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_rwlock_wrlock.S
deleted file mode 100644
index e444def525..0000000000
--- a/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_rwlock_wrlock.S
+++ /dev/null
@@ -1,165 +0,0 @@
-/* Copyright (C) 2002-2014 Free Software Foundation, Inc.
- This file is part of the GNU C Library.
- Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
-
- 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 <kernel-features.h>
-#include <stap-probe.h>
-
- .text
-
- .globl __pthread_rwlock_wrlock
- .type __pthread_rwlock_wrlock,@function
- .align 16
-__pthread_rwlock_wrlock:
- cfi_startproc
-
- LIBC_PROBE (wrlock_entry, 1, %rdi)
-
- xorq %r10, %r10
-
- /* Get the lock. */
- movl $1, %esi
- xorl %eax, %eax
- LOCK
-#if MUTEX == 0
- cmpxchgl %esi, (%rdi)
-#else
- cmpxchgl %esi, MUTEX(%rdi)
-#endif
- jnz 1f
-
-2: movl WRITER(%rdi), %eax
- testl %eax, %eax
- jne 14f
- cmpl $0, NR_READERS(%rdi)
- je 5f
-
-3: incl WRITERS_QUEUED(%rdi)
- je 4f
-
- movl WRITERS_WAKEUP(%rdi), %edx
-
- LOCK
-#if MUTEX == 0
- decl (%rdi)
-#else
- decl MUTEX(%rdi)
-#endif
- jne 10f
-
-11:
-#ifdef __ASSUME_PRIVATE_FUTEX
- movl $FUTEX_PRIVATE_FLAG|FUTEX_WAIT, %esi
- xorl PSHARED(%rdi), %esi
-#else
-# if FUTEX_WAIT == 0
- movl PSHARED(%rdi), %esi
-# else
- movl $FUTEX_WAIT, %esi
- orl PSHARED(%rdi), %esi
-# endif
- xorl %fs:PRIVATE_FUTEX, %esi
-#endif
- addq $WRITERS_WAKEUP, %rdi
- movl $SYS_futex, %eax
- syscall
-
- subq $WRITERS_WAKEUP, %rdi
-
- /* Reget the lock. */
- movl $1, %esi
- xorl %eax, %eax
- LOCK
-#if MUTEX == 0
- cmpxchgl %esi, (%rdi)
-#else
- cmpxchgl %esi, MUTEX(%rdi)
-#endif
- jnz 12f
-
-13: decl WRITERS_QUEUED(%rdi)
- jmp 2b
-
-5: xorl %edx, %edx
- movl %fs:TID, %eax
- movl %eax, WRITER(%rdi)
-9: LOCK
-#if MUTEX == 0
- decl (%rdi)
-#else
- decl MUTEX(%rdi)
-#endif
- jne 6f
-7:
-
- movq %rdx, %rax
- retq
-
-1: movl PSHARED(%rdi), %esi
-#if MUTEX != 0
- addq $MUTEX, %rdi
-#endif
- callq __lll_lock_wait
-#if MUTEX != 0
- subq $MUTEX, %rdi
-#endif
- jmp 2b
-
-14: cmpl %fs:TID, %eax
- jne 3b
- movl $EDEADLK, %edx
- jmp 9b
-
-6: movl PSHARED(%rdi), %esi
-#if MUTEX != 0
- addq $MUTEX, %rdi
-#endif
- callq __lll_unlock_wake
- jmp 7b
-
-4: decl WRITERS_QUEUED(%rdi)
- movl $EAGAIN, %edx
- jmp 9b
-
-10: movl PSHARED(%rdi), %esi
-#if MUTEX != 0
- addq $MUTEX, %rdi
-#endif
- callq __lll_unlock_wake
-#if MUTEX != 0
- subq $MUTEX, %rdi
-#endif
- jmp 11b
-
-12: movl PSHARED(%rdi), %esi
-#if MUTEX != 0
- addq $MUTEX, %rdi
-#endif
- callq __lll_lock_wait
-#if MUTEX != 0
- subq $MUTEX, %rdi
-#endif
- jmp 13b
- cfi_endproc
- .size __pthread_rwlock_wrlock,.-__pthread_rwlock_wrlock
-
-strong_alias (__pthread_rwlock_wrlock, pthread_rwlock_wrlock)
-hidden_def (__pthread_rwlock_wrlock)