arm/pthreads/pthread_getspecific.s

   1 /*
   2  * Copyright (c) 2002 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_LICENSE_HEADER_START@
   5  *
   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. Please obtain a copy of the License at
  10  * http://www.opensource.apple.com/apsl/ and read it before using this
  11  * file.
  12  *
  13  * The Original Code and all software distributed under the License are
  14  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  15  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  16  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  17  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  18  * Please see the License for the specific language governing rights and
  19  * limitations under the License.
  20  *
  21  * @APPLE_LICENSE_HEADER_END@
  22  */
  23 #include "pthread_machdep.h"
  24 #include <arm/arch.h>
  25
  26 #define __APPLE_API_PRIVATE
  27 #include <machine/cpu_capabilities.h>
  28 #undef  __APPLE_API_PRIVATE
  29
  30         .text
  31         .align 4
  32         .globl _pthread_getspecific
  33 _pthread_getspecific:
  34 #ifdef _ARM_ARCH_6
  35         mrc     p15, 0, r1, c13, c0, 3
  36         add     r0, r1, r0, lsl #2
  37 #else
  38         add     r0, r9, r0, lsl #2
  39 #endif
  40         ldr     r0, [r0, #_PTHREAD_TSD_OFFSET]
  41         bx      lr