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1c79356b 1/*
4452a7af 2 * Copyright (c) 2003-2006 Apple Computer, Inc. All rights reserved.
1c79356b 3 *
8f6c56a5 4 * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
1c79356b 5 *
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6 * This file contains Original Code and/or Modifications of Original Code
7 * as defined in and that are subject to the Apple Public Source License
8 * Version 2.0 (the 'License'). You may not use this file except in
9 * compliance with the License. The rights granted to you under the License
10 * may not be used to create, or enable the creation or redistribution of,
11 * unlawful or unlicensed copies of an Apple operating system, or to
12 * circumvent, violate, or enable the circumvention or violation of, any
13 * terms of an Apple operating system software license agreement.
14 *
15 * Please obtain a copy of the License at
16 * http://www.opensource.apple.com/apsl/ and read it before using this file.
17 *
18 * The Original Code and all software distributed under the License are
19 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
20 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
21 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
22 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
23 * Please see the License for the specific language governing rights and
8ad349bb 24 * limitations under the License.
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25 *
26 * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
1c79356b 27 */
1c79356b 28
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29#include <sys/appleapiopts.h>
30#include <machine/cpu_capabilities.h>
31#include <machine/commpage.h>
1c79356b 32
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33#define _PTHREAD_TSD_OFFSET32 0x48
34#define _PTHREAD_TSD_OFFSET64 0x60
c0fea474 35
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36
37/* These routines do not need to be on the copmmpage on Intel. They are for now
38 * to avoid revlock, but the code should move to Libc, and we should eventually remove
39 * these.
40 */
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41 .text
42 .align 2, 0x90
1c79356b 43
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44Lpthread_getspecific:
45 movl 4(%esp), %eax
4452a7af 46 movl %gs:_PTHREAD_TSD_OFFSET32(,%eax,4), %eax
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47 ret
48
49 COMMPAGE_DESCRIPTOR(pthread_getspecific,_COMM_PAGE_PTHREAD_GETSPECIFIC,0,0)
50
51Lpthread_self:
4452a7af 52 movl %gs:_PTHREAD_TSD_OFFSET32, %eax
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53 ret
54
55 COMMPAGE_DESCRIPTOR(pthread_self,_COMM_PAGE_PTHREAD_SELF,0,0)
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56
57/* the 64-bit versions: */
58
59 .code64
60Lpthread_getspecific_64:
61 movq %gs:_PTHREAD_TSD_OFFSET64(,%rdi,8), %rax
62 ret
63
64 COMMPAGE_DESCRIPTOR(pthread_getspecific_64,_COMM_PAGE_PTHREAD_GETSPECIFIC,0,0)
65
66Lpthread_self_64:
67 movq %gs:_PTHREAD_TSD_OFFSET64, %rax
68 ret
69
70 COMMPAGE_DESCRIPTOR(pthread_self_64,_COMM_PAGE_PTHREAD_SELF,0,0)