837 lines
15 KiB
ArmAsm
837 lines
15 KiB
ArmAsm
|
/*
|
||
|
* CDDL HEADER START
|
||
|
*
|
||
|
* The contents of this file are subject to the terms of the
|
||
|
* Common Development and Distribution License (the "License").
|
||
|
* You may not use this file except in compliance with the License.
|
||
|
*
|
||
|
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
|
||
|
* or http://www.opensolaris.org/os/licensing.
|
||
|
* See the License for the specific language governing permissions
|
||
|
* and limitations under the License.
|
||
|
*
|
||
|
* When distributing Covered Code, include this CDDL HEADER in each
|
||
|
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
|
||
|
* If applicable, add the following below this CDDL HEADER, with the
|
||
|
* fields enclosed by brackets "[]" replaced with your own identifying
|
||
|
* information: Portions Copyright [yyyy] [name of copyright owner]
|
||
|
*
|
||
|
* CDDL HEADER END
|
||
|
*/
|
||
|
/*
|
||
|
* Copyright 2007 Sun Microsystems, Inc. All rights reserved.
|
||
|
* Use is subject to license terms.
|
||
|
*/
|
||
|
|
||
|
.ident "%Z%%M% %I% %E% SMI"
|
||
|
|
||
|
.file "%M%"
|
||
|
|
||
|
#define _ASM
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||
|
#include <ia32/sys/asm_linkage.h>
|
||
|
|
||
|
ENTRY(atomic_inc_8)
|
||
|
ALTENTRY(atomic_inc_uchar)
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||
|
movl 4(%esp), %eax
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||
|
lock
|
||
|
incb (%eax)
|
||
|
ret
|
||
|
SET_SIZE(atomic_inc_uchar)
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||
|
SET_SIZE(atomic_inc_8)
|
||
|
|
||
|
ENTRY(atomic_inc_16)
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||
|
ALTENTRY(atomic_inc_ushort)
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||
|
movl 4(%esp), %eax
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||
|
lock
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||
|
incw (%eax)
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||
|
ret
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||
|
SET_SIZE(atomic_inc_ushort)
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||
|
SET_SIZE(atomic_inc_16)
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||
|
|
||
|
ENTRY(atomic_inc_32)
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||
|
ALTENTRY(atomic_inc_uint)
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||
|
ALTENTRY(atomic_inc_ulong)
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||
|
movl 4(%esp), %eax
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||
|
lock
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||
|
incl (%eax)
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||
|
ret
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||
|
SET_SIZE(atomic_inc_ulong)
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||
|
SET_SIZE(atomic_inc_uint)
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||
|
SET_SIZE(atomic_inc_32)
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||
|
|
||
|
ENTRY(atomic_inc_8_nv)
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||
|
ALTENTRY(atomic_inc_uchar_nv)
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||
|
movl 4(%esp), %edx
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||
|
movb (%edx), %al
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||
|
1:
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||
|
leal 1(%eax), %ecx
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||
|
lock
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||
|
cmpxchgb %cl, (%edx)
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||
|
jne 1b
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||
|
movzbl %cl, %eax
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||
|
ret
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||
|
SET_SIZE(atomic_inc_uchar_nv)
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||
|
SET_SIZE(atomic_inc_8_nv)
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||
|
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||
|
ENTRY(atomic_inc_16_nv)
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||
|
ALTENTRY(atomic_inc_ushort_nv)
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||
|
movl 4(%esp), %edx
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||
|
movw (%edx), %ax
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||
|
1:
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||
|
leal 1(%eax), %ecx
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||
|
lock
|
||
|
cmpxchgw %cx, (%edx)
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||
|
jne 1b
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||
|
movzwl %cx, %eax
|
||
|
ret
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||
|
SET_SIZE(atomic_inc_ushort_nv)
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||
|
SET_SIZE(atomic_inc_16_nv)
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||
|
|
||
|
ENTRY(atomic_inc_32_nv)
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||
|
ALTENTRY(atomic_inc_uint_nv)
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||
|
ALTENTRY(atomic_inc_ulong_nv)
|
||
|
movl 4(%esp), %edx
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||
|
movl (%edx), %eax
|
||
|
1:
|
||
|
leal 1(%eax), %ecx
|
||
|
lock
|
||
|
cmpxchgl %ecx, (%edx)
|
||
|
jne 1b
|
||
|
movl %ecx, %eax
|
||
|
ret
|
||
|
SET_SIZE(atomic_inc_ulong_nv)
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||
|
SET_SIZE(atomic_inc_uint_nv)
|
||
|
SET_SIZE(atomic_inc_32_nv)
|
||
|
|
||
|
/*
|
||
|
* NOTE: If atomic_inc_64 and atomic_inc_64_nv are ever
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||
|
* separated, you need to also edit the libc i386 platform
|
||
|
* specific mapfile and remove the NODYNSORT attribute
|
||
|
* from atomic_inc_64_nv.
|
||
|
*/
|
||
|
ENTRY(atomic_inc_64)
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||
|
ALTENTRY(atomic_inc_64_nv)
|
||
|
pushl %edi
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||
|
pushl %ebx
|
||
|
movl 12(%esp), %edi
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||
|
movl (%edi), %eax
|
||
|
movl 4(%edi), %edx
|
||
|
1:
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||
|
xorl %ebx, %ebx
|
||
|
xorl %ecx, %ecx
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||
|
incl %ebx
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||
|
addl %eax, %ebx
|
||
|
adcl %edx, %ecx
|
||
|
lock
|
||
|
cmpxchg8b (%edi)
|
||
|
jne 1b
|
||
|
movl %ebx, %eax
|
||
|
movl %ecx, %edx
|
||
|
popl %ebx
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||
|
popl %edi
|
||
|
ret
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||
|
SET_SIZE(atomic_inc_64_nv)
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||
|
SET_SIZE(atomic_inc_64)
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||
|
|
||
|
ENTRY(atomic_dec_8)
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||
|
ALTENTRY(atomic_dec_uchar)
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||
|
movl 4(%esp), %eax
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||
|
lock
|
||
|
decb (%eax)
|
||
|
ret
|
||
|
SET_SIZE(atomic_dec_uchar)
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||
|
SET_SIZE(atomic_dec_8)
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||
|
|
||
|
ENTRY(atomic_dec_16)
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||
|
ALTENTRY(atomic_dec_ushort)
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||
|
movl 4(%esp), %eax
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||
|
lock
|
||
|
decw (%eax)
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||
|
ret
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||
|
SET_SIZE(atomic_dec_ushort)
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||
|
SET_SIZE(atomic_dec_16)
|
||
|
|
||
|
ENTRY(atomic_dec_32)
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||
|
ALTENTRY(atomic_dec_uint)
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||
|
ALTENTRY(atomic_dec_ulong)
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||
|
movl 4(%esp), %eax
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||
|
lock
|
||
|
decl (%eax)
|
||
|
ret
|
||
|
SET_SIZE(atomic_dec_ulong)
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||
|
SET_SIZE(atomic_dec_uint)
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||
|
SET_SIZE(atomic_dec_32)
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||
|
|
||
|
ENTRY(atomic_dec_8_nv)
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||
|
ALTENTRY(atomic_dec_uchar_nv)
|
||
|
movl 4(%esp), %edx
|
||
|
movb (%edx), %al
|
||
|
1:
|
||
|
leal -1(%eax), %ecx
|
||
|
lock
|
||
|
cmpxchgb %cl, (%edx)
|
||
|
jne 1b
|
||
|
movzbl %cl, %eax
|
||
|
ret
|
||
|
SET_SIZE(atomic_dec_uchar_nv)
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||
|
SET_SIZE(atomic_dec_8_nv)
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||
|
|
||
|
ENTRY(atomic_dec_16_nv)
|
||
|
ALTENTRY(atomic_dec_ushort_nv)
|
||
|
movl 4(%esp), %edx
|
||
|
movw (%edx), %ax
|
||
|
1:
|
||
|
leal -1(%eax), %ecx
|
||
|
lock
|
||
|
cmpxchgw %cx, (%edx)
|
||
|
jne 1b
|
||
|
movzwl %cx, %eax
|
||
|
ret
|
||
|
SET_SIZE(atomic_dec_ushort_nv)
|
||
|
SET_SIZE(atomic_dec_16_nv)
|
||
|
|
||
|
ENTRY(atomic_dec_32_nv)
|
||
|
ALTENTRY(atomic_dec_uint_nv)
|
||
|
ALTENTRY(atomic_dec_ulong_nv)
|
||
|
movl 4(%esp), %edx
|
||
|
movl (%edx), %eax
|
||
|
1:
|
||
|
leal -1(%eax), %ecx
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||
|
lock
|
||
|
cmpxchgl %ecx, (%edx)
|
||
|
jne 1b
|
||
|
movl %ecx, %eax
|
||
|
ret
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||
|
SET_SIZE(atomic_dec_ulong_nv)
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||
|
SET_SIZE(atomic_dec_uint_nv)
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||
|
SET_SIZE(atomic_dec_32_nv)
|
||
|
|
||
|
/*
|
||
|
* NOTE: If atomic_dec_64 and atomic_dec_64_nv are ever
|
||
|
* separated, it is important to edit the libc i386 platform
|
||
|
* specific mapfile and remove the NODYNSORT attribute
|
||
|
* from atomic_dec_64_nv.
|
||
|
*/
|
||
|
ENTRY(atomic_dec_64)
|
||
|
ALTENTRY(atomic_dec_64_nv)
|
||
|
pushl %edi
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||
|
pushl %ebx
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||
|
movl 12(%esp), %edi
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||
|
movl (%edi), %eax
|
||
|
movl 4(%edi), %edx
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||
|
1:
|
||
|
xorl %ebx, %ebx
|
||
|
xorl %ecx, %ecx
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||
|
not %ecx
|
||
|
not %ebx
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||
|
addl %eax, %ebx
|
||
|
adcl %edx, %ecx
|
||
|
lock
|
||
|
cmpxchg8b (%edi)
|
||
|
jne 1b
|
||
|
movl %ebx, %eax
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||
|
movl %ecx, %edx
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||
|
popl %ebx
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||
|
popl %edi
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||
|
ret
|
||
|
SET_SIZE(atomic_dec_64_nv)
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||
|
SET_SIZE(atomic_dec_64)
|
||
|
|
||
|
ENTRY(atomic_add_8)
|
||
|
ALTENTRY(atomic_add_char)
|
||
|
movl 4(%esp), %eax
|
||
|
movl 8(%esp), %ecx
|
||
|
lock
|
||
|
addb %cl, (%eax)
|
||
|
ret
|
||
|
SET_SIZE(atomic_add_char)
|
||
|
SET_SIZE(atomic_add_8)
|
||
|
|
||
|
ENTRY(atomic_add_16)
|
||
|
ALTENTRY(atomic_add_short)
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||
|
movl 4(%esp), %eax
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||
|
movl 8(%esp), %ecx
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||
|
lock
|
||
|
addw %cx, (%eax)
|
||
|
ret
|
||
|
SET_SIZE(atomic_add_short)
|
||
|
SET_SIZE(atomic_add_16)
|
||
|
|
||
|
ENTRY(atomic_add_32)
|
||
|
ALTENTRY(atomic_add_int)
|
||
|
ALTENTRY(atomic_add_ptr)
|
||
|
ALTENTRY(atomic_add_long)
|
||
|
movl 4(%esp), %eax
|
||
|
movl 8(%esp), %ecx
|
||
|
lock
|
||
|
addl %ecx, (%eax)
|
||
|
ret
|
||
|
SET_SIZE(atomic_add_long)
|
||
|
SET_SIZE(atomic_add_ptr)
|
||
|
SET_SIZE(atomic_add_int)
|
||
|
SET_SIZE(atomic_add_32)
|
||
|
|
||
|
ENTRY(atomic_sub_8)
|
||
|
ALTENTRY(atomic_sub_char)
|
||
|
movl 4(%esp), %eax
|
||
|
movl 8(%esp), %ecx
|
||
|
lock
|
||
|
subb %cl, (%eax)
|
||
|
ret
|
||
|
SET_SIZE(atomic_sub_char)
|
||
|
SET_SIZE(atomic_sub_8)
|
||
|
|
||
|
ENTRY(atomic_sub_16)
|
||
|
ALTENTRY(atomic_sub_short)
|
||
|
movl 4(%esp), %eax
|
||
|
movl 8(%esp), %ecx
|
||
|
lock
|
||
|
subw %cx, (%eax)
|
||
|
ret
|
||
|
SET_SIZE(atomic_sub_short)
|
||
|
SET_SIZE(atomic_sub_16)
|
||
|
|
||
|
ENTRY(atomic_sub_32)
|
||
|
ALTENTRY(atomic_sub_int)
|
||
|
ALTENTRY(atomic_sub_ptr)
|
||
|
ALTENTRY(atomic_sub_long)
|
||
|
movl 4(%esp), %eax
|
||
|
movl 8(%esp), %ecx
|
||
|
lock
|
||
|
subl %ecx, (%eax)
|
||
|
ret
|
||
|
SET_SIZE(atomic_sub_long)
|
||
|
SET_SIZE(atomic_sub_ptr)
|
||
|
SET_SIZE(atomic_sub_int)
|
||
|
SET_SIZE(atomic_sub_32)
|
||
|
|
||
|
ENTRY(atomic_or_8)
|
||
|
ALTENTRY(atomic_or_uchar)
|
||
|
movl 4(%esp), %eax
|
||
|
movb 8(%esp), %cl
|
||
|
lock
|
||
|
orb %cl, (%eax)
|
||
|
ret
|
||
|
SET_SIZE(atomic_or_uchar)
|
||
|
SET_SIZE(atomic_or_8)
|
||
|
|
||
|
ENTRY(atomic_or_16)
|
||
|
ALTENTRY(atomic_or_ushort)
|
||
|
movl 4(%esp), %eax
|
||
|
movw 8(%esp), %cx
|
||
|
lock
|
||
|
orw %cx, (%eax)
|
||
|
ret
|
||
|
SET_SIZE(atomic_or_ushort)
|
||
|
SET_SIZE(atomic_or_16)
|
||
|
|
||
|
ENTRY(atomic_or_32)
|
||
|
ALTENTRY(atomic_or_uint)
|
||
|
ALTENTRY(atomic_or_ulong)
|
||
|
movl 4(%esp), %eax
|
||
|
movl 8(%esp), %ecx
|
||
|
lock
|
||
|
orl %ecx, (%eax)
|
||
|
ret
|
||
|
SET_SIZE(atomic_or_ulong)
|
||
|
SET_SIZE(atomic_or_uint)
|
||
|
SET_SIZE(atomic_or_32)
|
||
|
|
||
|
ENTRY(atomic_and_8)
|
||
|
ALTENTRY(atomic_and_uchar)
|
||
|
movl 4(%esp), %eax
|
||
|
movb 8(%esp), %cl
|
||
|
lock
|
||
|
andb %cl, (%eax)
|
||
|
ret
|
||
|
SET_SIZE(atomic_and_uchar)
|
||
|
SET_SIZE(atomic_and_8)
|
||
|
|
||
|
ENTRY(atomic_and_16)
|
||
|
ALTENTRY(atomic_and_ushort)
|
||
|
movl 4(%esp), %eax
|
||
|
movw 8(%esp), %cx
|
||
|
lock
|
||
|
andw %cx, (%eax)
|
||
|
ret
|
||
|
SET_SIZE(atomic_and_ushort)
|
||
|
SET_SIZE(atomic_and_16)
|
||
|
|
||
|
ENTRY(atomic_and_32)
|
||
|
ALTENTRY(atomic_and_uint)
|
||
|
ALTENTRY(atomic_and_ulong)
|
||
|
movl 4(%esp), %eax
|
||
|
movl 8(%esp), %ecx
|
||
|
lock
|
||
|
andl %ecx, (%eax)
|
||
|
ret
|
||
|
SET_SIZE(atomic_and_ulong)
|
||
|
SET_SIZE(atomic_and_uint)
|
||
|
SET_SIZE(atomic_and_32)
|
||
|
|
||
|
ENTRY(atomic_add_8_nv)
|
||
|
ALTENTRY(atomic_add_char_nv)
|
||
|
movl 4(%esp), %edx
|
||
|
movb (%edx), %al
|
||
|
1:
|
||
|
movl 8(%esp), %ecx
|
||
|
addb %al, %cl
|
||
|
lock
|
||
|
cmpxchgb %cl, (%edx)
|
||
|
jne 1b
|
||
|
movzbl %cl, %eax
|
||
|
ret
|
||
|
SET_SIZE(atomic_add_char_nv)
|
||
|
SET_SIZE(atomic_add_8_nv)
|
||
|
|
||
|
ENTRY(atomic_add_16_nv)
|
||
|
ALTENTRY(atomic_add_short_nv)
|
||
|
movl 4(%esp), %edx
|
||
|
movw (%edx), %ax
|
||
|
1:
|
||
|
movl 8(%esp), %ecx
|
||
|
addw %ax, %cx
|
||
|
lock
|
||
|
cmpxchgw %cx, (%edx)
|
||
|
jne 1b
|
||
|
movzwl %cx, %eax
|
||
|
ret
|
||
|
SET_SIZE(atomic_add_short_nv)
|
||
|
SET_SIZE(atomic_add_16_nv)
|
||
|
|
||
|
ENTRY(atomic_add_32_nv)
|
||
|
ALTENTRY(atomic_add_int_nv)
|
||
|
ALTENTRY(atomic_add_ptr_nv)
|
||
|
ALTENTRY(atomic_add_long_nv)
|
||
|
movl 4(%esp), %edx
|
||
|
movl (%edx), %eax
|
||
|
1:
|
||
|
movl 8(%esp), %ecx
|
||
|
addl %eax, %ecx
|
||
|
lock
|
||
|
cmpxchgl %ecx, (%edx)
|
||
|
jne 1b
|
||
|
movl %ecx, %eax
|
||
|
ret
|
||
|
SET_SIZE(atomic_add_long_nv)
|
||
|
SET_SIZE(atomic_add_ptr_nv)
|
||
|
SET_SIZE(atomic_add_int_nv)
|
||
|
SET_SIZE(atomic_add_32_nv)
|
||
|
|
||
|
ENTRY(atomic_sub_8_nv)
|
||
|
ALTENTRY(atomic_sub_char_nv)
|
||
|
movl 4(%esp), %edx
|
||
|
movb (%edx), %al
|
||
|
1:
|
||
|
movl 8(%esp), %ecx
|
||
|
subb %al, %cl
|
||
|
lock
|
||
|
cmpxchgb %cl, (%edx)
|
||
|
jne 1b
|
||
|
movzbl %cl, %eax
|
||
|
ret
|
||
|
SET_SIZE(atomic_sub_char_nv)
|
||
|
SET_SIZE(atomic_sub_8_nv)
|
||
|
|
||
|
ENTRY(atomic_sub_16_nv)
|
||
|
ALTENTRY(atomic_sub_short_nv)
|
||
|
movl 4(%esp), %edx
|
||
|
movw (%edx), %ax
|
||
|
1:
|
||
|
movl 8(%esp), %ecx
|
||
|
subw %ax, %cx
|
||
|
lock
|
||
|
cmpxchgw %cx, (%edx)
|
||
|
jne 1b
|
||
|
movzwl %cx, %eax
|
||
|
ret
|
||
|
SET_SIZE(atomic_sub_short_nv)
|
||
|
SET_SIZE(atomic_sub_16_nv)
|
||
|
|
||
|
ENTRY(atomic_sub_32_nv)
|
||
|
ALTENTRY(atomic_sub_int_nv)
|
||
|
ALTENTRY(atomic_sub_ptr_nv)
|
||
|
ALTENTRY(atomic_sub_long_nv)
|
||
|
movl 4(%esp), %edx
|
||
|
movl (%edx), %eax
|
||
|
1:
|
||
|
movl 8(%esp), %ecx
|
||
|
subl %eax, %ecx
|
||
|
lock
|
||
|
cmpxchgl %ecx, (%edx)
|
||
|
jne 1b
|
||
|
movl %ecx, %eax
|
||
|
ret
|
||
|
SET_SIZE(atomic_sub_long_nv)
|
||
|
SET_SIZE(atomic_sub_ptr_nv)
|
||
|
SET_SIZE(atomic_sub_int_nv)
|
||
|
SET_SIZE(atomic_sub_32_nv)
|
||
|
|
||
|
/*
|
||
|
* NOTE: If atomic_add_64 and atomic_add_64_nv are ever
|
||
|
* separated, it is important to edit the libc i386 platform
|
||
|
* specific mapfile and remove the NODYNSORT attribute
|
||
|
* from atomic_add_64_nv.
|
||
|
*/
|
||
|
ENTRY(atomic_add_64)
|
||
|
ALTENTRY(atomic_add_64_nv)
|
||
|
pushl %edi
|
||
|
pushl %ebx
|
||
|
movl 12(%esp), %edi
|
||
|
movl (%edi), %eax
|
||
|
movl 4(%edi), %edx
|
||
|
1:
|
||
|
movl 16(%esp), %ebx
|
||
|
movl 20(%esp), %ecx
|
||
|
addl %eax, %ebx
|
||
|
adcl %edx, %ecx
|
||
|
lock
|
||
|
cmpxchg8b (%edi)
|
||
|
jne 1b
|
||
|
movl %ebx, %eax
|
||
|
movl %ecx, %edx
|
||
|
popl %ebx
|
||
|
popl %edi
|
||
|
ret
|
||
|
SET_SIZE(atomic_add_64_nv)
|
||
|
SET_SIZE(atomic_add_64)
|
||
|
|
||
|
ENTRY(atomic_sub_64)
|
||
|
ALTENTRY(atomic_sub_64_nv)
|
||
|
pushl %edi
|
||
|
pushl %ebx
|
||
|
movl 12(%esp), %edi
|
||
|
movl (%edi), %eax
|
||
|
movl 4(%edi), %edx
|
||
|
1:
|
||
|
movl 16(%esp), %ebx
|
||
|
movl 20(%esp), %ecx
|
||
|
subl %eax, %ebx
|
||
|
sbbl %edx, %ecx
|
||
|
lock
|
||
|
cmpxchg8b (%edi)
|
||
|
jne 1b
|
||
|
movl %ebx, %eax
|
||
|
movl %ecx, %edx
|
||
|
popl %ebx
|
||
|
popl %edi
|
||
|
ret
|
||
|
SET_SIZE(atomic_sub_64_nv)
|
||
|
SET_SIZE(atomic_sub_64)
|
||
|
|
||
|
ENTRY(atomic_or_8_nv)
|
||
|
ALTENTRY(atomic_or_uchar_nv)
|
||
|
movl 4(%esp), %edx
|
||
|
movb (%edx), %al
|
||
|
1:
|
||
|
movl 8(%esp), %ecx
|
||
|
orb %al, %cl
|
||
|
lock
|
||
|
cmpxchgb %cl, (%edx)
|
||
|
jne 1b
|
||
|
movzbl %cl, %eax
|
||
|
ret
|
||
|
SET_SIZE(atomic_or_uchar_nv)
|
||
|
SET_SIZE(atomic_or_8_nv)
|
||
|
|
||
|
ENTRY(atomic_or_16_nv)
|
||
|
ALTENTRY(atomic_or_ushort_nv)
|
||
|
movl 4(%esp), %edx
|
||
|
movw (%edx), %ax
|
||
|
1:
|
||
|
movl 8(%esp), %ecx
|
||
|
orw %ax, %cx
|
||
|
lock
|
||
|
cmpxchgw %cx, (%edx)
|
||
|
jne 1b
|
||
|
movzwl %cx, %eax
|
||
|
ret
|
||
|
SET_SIZE(atomic_or_ushort_nv)
|
||
|
SET_SIZE(atomic_or_16_nv)
|
||
|
|
||
|
ENTRY(atomic_or_32_nv)
|
||
|
ALTENTRY(atomic_or_uint_nv)
|
||
|
ALTENTRY(atomic_or_ulong_nv)
|
||
|
movl 4(%esp), %edx
|
||
|
movl (%edx), %eax
|
||
|
1:
|
||
|
movl 8(%esp), %ecx
|
||
|
orl %eax, %ecx
|
||
|
lock
|
||
|
cmpxchgl %ecx, (%edx)
|
||
|
jne 1b
|
||
|
movl %ecx, %eax
|
||
|
ret
|
||
|
SET_SIZE(atomic_or_ulong_nv)
|
||
|
SET_SIZE(atomic_or_uint_nv)
|
||
|
SET_SIZE(atomic_or_32_nv)
|
||
|
|
||
|
/*
|
||
|
* NOTE: If atomic_or_64 and atomic_or_64_nv are ever
|
||
|
* separated, it is important to edit the libc i386 platform
|
||
|
* specific mapfile and remove the NODYNSORT attribute
|
||
|
* from atomic_or_64_nv.
|
||
|
*/
|
||
|
ENTRY(atomic_or_64)
|
||
|
ALTENTRY(atomic_or_64_nv)
|
||
|
pushl %edi
|
||
|
pushl %ebx
|
||
|
movl 12(%esp), %edi
|
||
|
movl (%edi), %eax
|
||
|
movl 4(%edi), %edx
|
||
|
1:
|
||
|
movl 16(%esp), %ebx
|
||
|
movl 20(%esp), %ecx
|
||
|
orl %eax, %ebx
|
||
|
orl %edx, %ecx
|
||
|
lock
|
||
|
cmpxchg8b (%edi)
|
||
|
jne 1b
|
||
|
movl %ebx, %eax
|
||
|
movl %ecx, %edx
|
||
|
popl %ebx
|
||
|
popl %edi
|
||
|
ret
|
||
|
SET_SIZE(atomic_or_64_nv)
|
||
|
SET_SIZE(atomic_or_64)
|
||
|
|
||
|
ENTRY(atomic_and_8_nv)
|
||
|
ALTENTRY(atomic_and_uchar_nv)
|
||
|
movl 4(%esp), %edx
|
||
|
movb (%edx), %al
|
||
|
1:
|
||
|
movl 8(%esp), %ecx
|
||
|
andb %al, %cl
|
||
|
lock
|
||
|
cmpxchgb %cl, (%edx)
|
||
|
jne 1b
|
||
|
movzbl %cl, %eax
|
||
|
ret
|
||
|
SET_SIZE(atomic_and_uchar_nv)
|
||
|
SET_SIZE(atomic_and_8_nv)
|
||
|
|
||
|
ENTRY(atomic_and_16_nv)
|
||
|
ALTENTRY(atomic_and_ushort_nv)
|
||
|
movl 4(%esp), %edx
|
||
|
movw (%edx), %ax
|
||
|
1:
|
||
|
movl 8(%esp), %ecx
|
||
|
andw %ax, %cx
|
||
|
lock
|
||
|
cmpxchgw %cx, (%edx)
|
||
|
jne 1b
|
||
|
movzwl %cx, %eax
|
||
|
ret
|
||
|
SET_SIZE(atomic_and_ushort_nv)
|
||
|
SET_SIZE(atomic_and_16_nv)
|
||
|
|
||
|
ENTRY(atomic_and_32_nv)
|
||
|
ALTENTRY(atomic_and_uint_nv)
|
||
|
ALTENTRY(atomic_and_ulong_nv)
|
||
|
movl 4(%esp), %edx
|
||
|
movl (%edx), %eax
|
||
|
1:
|
||
|
movl 8(%esp), %ecx
|
||
|
andl %eax, %ecx
|
||
|
lock
|
||
|
cmpxchgl %ecx, (%edx)
|
||
|
jne 1b
|
||
|
movl %ecx, %eax
|
||
|
ret
|
||
|
SET_SIZE(atomic_and_ulong_nv)
|
||
|
SET_SIZE(atomic_and_uint_nv)
|
||
|
SET_SIZE(atomic_and_32_nv)
|
||
|
|
||
|
/*
|
||
|
* NOTE: If atomic_and_64 and atomic_and_64_nv are ever
|
||
|
* separated, it is important to edit the libc i386 platform
|
||
|
* specific mapfile and remove the NODYNSORT attribute
|
||
|
* from atomic_and_64_nv.
|
||
|
*/
|
||
|
ENTRY(atomic_and_64)
|
||
|
ALTENTRY(atomic_and_64_nv)
|
||
|
pushl %edi
|
||
|
pushl %ebx
|
||
|
movl 12(%esp), %edi
|
||
|
movl (%edi), %eax
|
||
|
movl 4(%edi), %edx
|
||
|
1:
|
||
|
movl 16(%esp), %ebx
|
||
|
movl 20(%esp), %ecx
|
||
|
andl %eax, %ebx
|
||
|
andl %edx, %ecx
|
||
|
lock
|
||
|
cmpxchg8b (%edi)
|
||
|
jne 1b
|
||
|
movl %ebx, %eax
|
||
|
movl %ecx, %edx
|
||
|
popl %ebx
|
||
|
popl %edi
|
||
|
ret
|
||
|
SET_SIZE(atomic_and_64_nv)
|
||
|
SET_SIZE(atomic_and_64)
|
||
|
|
||
|
ENTRY(atomic_cas_8)
|
||
|
ALTENTRY(atomic_cas_uchar)
|
||
|
movl 4(%esp), %edx
|
||
|
movzbl 8(%esp), %eax
|
||
|
movb 12(%esp), %cl
|
||
|
lock
|
||
|
cmpxchgb %cl, (%edx)
|
||
|
ret
|
||
|
SET_SIZE(atomic_cas_uchar)
|
||
|
SET_SIZE(atomic_cas_8)
|
||
|
|
||
|
ENTRY(atomic_cas_16)
|
||
|
ALTENTRY(atomic_cas_ushort)
|
||
|
movl 4(%esp), %edx
|
||
|
movzwl 8(%esp), %eax
|
||
|
movw 12(%esp), %cx
|
||
|
lock
|
||
|
cmpxchgw %cx, (%edx)
|
||
|
ret
|
||
|
SET_SIZE(atomic_cas_ushort)
|
||
|
SET_SIZE(atomic_cas_16)
|
||
|
|
||
|
ENTRY(atomic_cas_32)
|
||
|
ALTENTRY(atomic_cas_uint)
|
||
|
ALTENTRY(atomic_cas_ulong)
|
||
|
ALTENTRY(atomic_cas_ptr)
|
||
|
movl 4(%esp), %edx
|
||
|
movl 8(%esp), %eax
|
||
|
movl 12(%esp), %ecx
|
||
|
lock
|
||
|
cmpxchgl %ecx, (%edx)
|
||
|
ret
|
||
|
SET_SIZE(atomic_cas_ptr)
|
||
|
SET_SIZE(atomic_cas_ulong)
|
||
|
SET_SIZE(atomic_cas_uint)
|
||
|
SET_SIZE(atomic_cas_32)
|
||
|
|
||
|
ENTRY(atomic_cas_64)
|
||
|
pushl %ebx
|
||
|
pushl %esi
|
||
|
movl 12(%esp), %esi
|
||
|
movl 16(%esp), %eax
|
||
|
movl 20(%esp), %edx
|
||
|
movl 24(%esp), %ebx
|
||
|
movl 28(%esp), %ecx
|
||
|
lock
|
||
|
cmpxchg8b (%esi)
|
||
|
popl %esi
|
||
|
popl %ebx
|
||
|
ret
|
||
|
SET_SIZE(atomic_cas_64)
|
||
|
|
||
|
ENTRY(atomic_swap_8)
|
||
|
ALTENTRY(atomic_swap_uchar)
|
||
|
movl 4(%esp), %edx
|
||
|
movzbl 8(%esp), %eax
|
||
|
lock
|
||
|
xchgb %al, (%edx)
|
||
|
ret
|
||
|
SET_SIZE(atomic_swap_uchar)
|
||
|
SET_SIZE(atomic_swap_8)
|
||
|
|
||
|
ENTRY(atomic_swap_16)
|
||
|
ALTENTRY(atomic_swap_ushort)
|
||
|
movl 4(%esp), %edx
|
||
|
movzwl 8(%esp), %eax
|
||
|
lock
|
||
|
xchgw %ax, (%edx)
|
||
|
ret
|
||
|
SET_SIZE(atomic_swap_ushort)
|
||
|
SET_SIZE(atomic_swap_16)
|
||
|
|
||
|
ENTRY(atomic_swap_32)
|
||
|
ALTENTRY(atomic_swap_uint)
|
||
|
ALTENTRY(atomic_swap_ptr)
|
||
|
ALTENTRY(atomic_swap_ulong)
|
||
|
movl 4(%esp), %edx
|
||
|
movl 8(%esp), %eax
|
||
|
lock
|
||
|
xchgl %eax, (%edx)
|
||
|
ret
|
||
|
SET_SIZE(atomic_swap_ulong)
|
||
|
SET_SIZE(atomic_swap_ptr)
|
||
|
SET_SIZE(atomic_swap_uint)
|
||
|
SET_SIZE(atomic_swap_32)
|
||
|
|
||
|
ENTRY(atomic_swap_64)
|
||
|
pushl %esi
|
||
|
pushl %ebx
|
||
|
movl 12(%esp), %esi
|
||
|
movl 16(%esp), %ebx
|
||
|
movl 20(%esp), %ecx
|
||
|
movl (%esi), %eax
|
||
|
movl 4(%esi), %edx
|
||
|
1:
|
||
|
lock
|
||
|
cmpxchg8b (%esi)
|
||
|
jne 1b
|
||
|
popl %ebx
|
||
|
popl %esi
|
||
|
ret
|
||
|
SET_SIZE(atomic_swap_64)
|
||
|
|
||
|
ENTRY(atomic_set_long_excl)
|
||
|
movl 4(%esp), %edx
|
||
|
movl 8(%esp), %ecx
|
||
|
xorl %eax, %eax
|
||
|
lock
|
||
|
btsl %ecx, (%edx)
|
||
|
jnc 1f
|
||
|
decl %eax
|
||
|
1:
|
||
|
ret
|
||
|
SET_SIZE(atomic_set_long_excl)
|
||
|
|
||
|
ENTRY(atomic_clear_long_excl)
|
||
|
movl 4(%esp), %edx
|
||
|
movl 8(%esp), %ecx
|
||
|
xorl %eax, %eax
|
||
|
lock
|
||
|
btrl %ecx, (%edx)
|
||
|
jc 1f
|
||
|
decl %eax
|
||
|
1:
|
||
|
ret
|
||
|
SET_SIZE(atomic_clear_long_excl)
|
||
|
|
||
|
/*
|
||
|
* NOTE: membar_enter, membar_exit, membar_producer, and
|
||
|
* membar_consumer are all identical routines. We define them
|
||
|
* separately, instead of using ALTENTRY definitions to alias them
|
||
|
* together, so that DTrace and debuggers will see a unique address
|
||
|
* for them, allowing more accurate tracing.
|
||
|
*/
|
||
|
|
||
|
|
||
|
ENTRY(membar_enter)
|
||
|
lock
|
||
|
xorl $0, (%esp)
|
||
|
ret
|
||
|
SET_SIZE(membar_enter)
|
||
|
|
||
|
ENTRY(membar_exit)
|
||
|
lock
|
||
|
xorl $0, (%esp)
|
||
|
ret
|
||
|
SET_SIZE(membar_exit)
|
||
|
|
||
|
ENTRY(membar_producer)
|
||
|
lock
|
||
|
xorl $0, (%esp)
|
||
|
ret
|
||
|
SET_SIZE(membar_producer)
|
||
|
|
||
|
ENTRY(membar_consumer)
|
||
|
lock
|
||
|
xorl $0, (%esp)
|
||
|
ret
|
||
|
SET_SIZE(membar_consumer)
|
||
|
|
||
|
#ifdef __ELF__
|
||
|
.section .note.GNU-stack,"",%progbits
|
||
|
#endif
|