| 1 | /* |
| 2 | * Copyright (c) 2003 Apple Computer, Inc. All rights reserved. |
| 3 | * |
| 4 | * @APPLE_LICENSE_HEADER_START@ |
| 5 | * |
| 6 | * Copyright (c) 1999-2003 Apple Computer, Inc. All Rights Reserved. |
| 7 | * |
| 8 | * This file contains Original Code and/or Modifications of Original Code |
| 9 | * as defined in and that are subject to the Apple Public Source License |
| 10 | * Version 2.0 (the 'License'). You may not use this file except in |
| 11 | * compliance with the License. Please obtain a copy of the License at |
| 12 | * http://www.opensource.apple.com/apsl/ and read it before using this |
| 13 | * file. |
| 14 | * |
| 15 | * The Original Code and all software distributed under the License are |
| 16 | * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER |
| 17 | * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, |
| 18 | * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, |
| 19 | * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. |
| 20 | * Please see the License for the specific language governing rights and |
| 21 | * limitations under the License. |
| 22 | * |
| 23 | * @APPLE_LICENSE_HEADER_END@ |
| 24 | */ |
| 25 | |
| 26 | #define __APPLE_API_PRIVATE |
| 27 | #include <machine/cpu_capabilities.h> |
| 28 | #if defined(__ppc__) || defined(__ppc64__) |
| 29 | #include <architecture/ppc/mode_independent_asm.h> |
| 30 | .data |
| 31 | .section __TEXT,__picsymbolstub1,symbol_stubs,pure_instructions,32 |
| 32 | .align 2 |
| 33 | L__spin_lock$stub: |
| 34 | .indirect_symbol __spin_lock |
| 35 | ba _COMM_PAGE_SPINLOCK_LOCK |
| 36 | nop |
| 37 | nop |
| 38 | nop |
| 39 | nop |
| 40 | nop |
| 41 | nop |
| 42 | nop |
| 43 | .data |
| 44 | .lazy_symbol_pointer |
| 45 | L__spin_lock$lazy_ptr: |
| 46 | .indirect_symbol __spin_lock |
| 47 | .g_long dyld_stub_binding_helper |
| 48 | #elif defined(__i386__) |
| 49 | .data |
| 50 | .picsymbol_stub |
| 51 | L__spin_lock$stub: |
| 52 | .indirect_symbol __spin_lock |
| 53 | movl $(_COMM_PAGE_SPINLOCK_LOCK), %eax |
| 54 | jmp %eax |
| 55 | nop |
| 56 | call LPC$1 |
| 57 | LPC$1: popl %eax |
| 58 | L__spin_lock$stub_binder: |
| 59 | lea L1$lz-LPC$1(%eax),%eax |
| 60 | pushl %eax |
| 61 | jmp dyld_stub_binding_helper |
| 62 | .data |
| 63 | .lazy_symbol_pointer |
| 64 | L1$lz: |
| 65 | .indirect_symbol __spin_lock |
| 66 | .long L__spin_lock$stub_binder |
| 67 | #endif |