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authorRoland McGrath <roland@hack.frob.com>2014-05-14 13:37:40 -0700
committerRoland McGrath <roland@hack.frob.com>2014-05-14 13:37:40 -0700
commit348f8e8c26178d7e5b7b64c16ab5c1a773916781 (patch)
treee155c8e2bbf1f549127d7b9a40ed33f7926e2b1c /nptl/sysdeps/unix/sysv/linux/i386/i486/pthread_rwlock_rdlock.S
parent5085af05bdfd7b4656abdd79e7da50022e3e1cad (diff)
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Move remaining nptl/sysdeps/unix/sysv/linux/i386/ files.
Diffstat (limited to 'nptl/sysdeps/unix/sysv/linux/i386/i486/pthread_rwlock_rdlock.S')
-rw-r--r--nptl/sysdeps/unix/sysv/linux/i386/i486/pthread_rwlock_rdlock.S192
1 files changed, 0 insertions, 192 deletions
diff --git a/nptl/sysdeps/unix/sysv/linux/i386/i486/pthread_rwlock_rdlock.S b/nptl/sysdeps/unix/sysv/linux/i386/i486/pthread_rwlock_rdlock.S
deleted file mode 100644
index a81bc06d7c..0000000000
--- a/nptl/sysdeps/unix/sysv/linux/i386/i486/pthread_rwlock_rdlock.S
+++ /dev/null
@@ -1,192 +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_rdlock
-	.type	__pthread_rwlock_rdlock,@function
-	.align	16
-__pthread_rwlock_rdlock:
-	cfi_startproc
-	pushl	%esi
-	cfi_adjust_cfa_offset(4)
-	pushl	%ebx
-	cfi_adjust_cfa_offset(4)
-	cfi_offset(%esi, -8)
-	cfi_offset(%ebx, -12)
-
-	xorl	%esi, %esi
-	movl	12(%esp), %ebx
-
-	LIBC_PROBE (rdlock_entry, 1, %ebx)
-
-	/* Get the lock.  */
-	movl	$1, %edx
-	xorl	%eax, %eax
-	LOCK
-#if MUTEX == 0
-	cmpxchgl %edx, (%ebx)
-#else
-	cmpxchgl %edx, MUTEX(%ebx)
-#endif
-	jnz	1f
-
-2:	movl	WRITER(%ebx), %eax
-	testl	%eax, %eax
-	jne	14f
-	cmpl	$0, WRITERS_QUEUED(%ebx)
-	je	5f
-	cmpb	$0, FLAGS(%ebx)
-	je	5f
-
-3:	addl	$1, READERS_QUEUED(%ebx)
-	je	4f
-
-	movl	READERS_WAKEUP(%ebx), %edx
-
-	LOCK
-#if MUTEX == 0
-	subl	$1, (%ebx)
-#else
-	subl	$1, MUTEX(%ebx)
-#endif
-	jne	10f
-
-11:
-#ifdef __ASSUME_PRIVATE_FUTEX
-	movzbl	PSHARED(%ebx), %ecx
-	xorl	$FUTEX_PRIVATE_FLAG|FUTEX_WAIT, %ecx
-#else
-	movzbl	PSHARED(%ebx), %ecx
-# if FUTEX_WAIT != 0
-	orl	$FUTEX_WAIT, %ecx
-# endif
-	xorl	%gs:PRIVATE_FUTEX, %ecx
-#endif
-	addl	$READERS_WAKEUP, %ebx
-	movl	$SYS_futex, %eax
-	ENTER_KERNEL
-
-	subl	$READERS_WAKEUP, %ebx
-
-	/* Reget the lock.  */
-	movl	$1, %edx
-	xorl	%eax, %eax
-	LOCK
-#if MUTEX == 0
-	cmpxchgl %edx, (%ebx)
-#else
-	cmpxchgl %edx, MUTEX(%ebx)
-#endif
-	jnz	12f
-
-13:	subl	$1, READERS_QUEUED(%ebx)
-	jmp	2b
-
-5:	xorl	%edx, %edx
-	addl	$1, NR_READERS(%ebx)
-	je	8f
-9:	LOCK
-#if MUTEX == 0
-	subl	$1, (%ebx)
-#else
-	subl	$1, MUTEX(%ebx)
-#endif
-	jne	6f
-7:
-
-	movl	%edx, %eax
-	popl	%ebx
-	cfi_adjust_cfa_offset(-4)
-	cfi_restore(%ebx)
-	popl	%esi
-	cfi_adjust_cfa_offset(-4)
-	cfi_restore(%esi)
-	ret
-
-	cfi_adjust_cfa_offset(8)
-	cfi_offset(%esi, -8)
-	cfi_offset(%ebx, -12)
-1:
-#if MUTEX == 0
-	movl	%ebx, %edx
-#else
-	leal	MUTEX(%ebx), %edx
-#endif
-	movzbl	PSHARED(%ebx), %ecx
-	call	__lll_lock_wait
-	jmp	2b
-
-14:	cmpl	%gs:TID, %eax
-	jne	3b
-	/* Deadlock detected.  */
-	movl	$EDEADLK, %edx
-	jmp	9b
-
-6:
-#if MUTEX == 0
-	movl	%ebx, %eax
-#else
-	leal	MUTEX(%ebx), %eax
-#endif
-	movzbl	PSHARED(%ebx), %ecx
-	call	__lll_unlock_wake
-	jmp	7b
-
-	/* Overflow.  */
-8:	subl	$1, NR_READERS(%ebx)
-	movl	$EAGAIN, %edx
-	jmp	9b
-
-	/* Overflow.  */
-4:	subl	$1, READERS_QUEUED(%ebx)
-	movl	$EAGAIN, %edx
-	jmp	9b
-
-10:
-#if MUTEX == 0
-	movl	%ebx, %eax
-#else
-	leal	MUTEX(%ebx), %eax
-#endif
-	movzbl	PSHARED(%ebx), %ecx
-	call	__lll_unlock_wake
-	jmp	11b
-
-12:
-#if MUTEX == 0
-	movl	%ebx, %edx
-#else
-	leal	MUTEX(%ebx), %edx
-#endif
-	movzbl	PSHARED(%ebx), %ecx
-	call	__lll_lock_wait
-	jmp	13b
-	cfi_endproc
-	.size	__pthread_rwlock_rdlock,.-__pthread_rwlock_rdlock
-
-strong_alias (__pthread_rwlock_rdlock, pthread_rwlock_rdlock)
-hidden_def (__pthread_rwlock_rdlock)