projects / apple / libpthread.git / blame
| Commit | Line | Data |
|---|---|---|
| 214d78a2 A |
1 | /* |
| 2 | * Copyright (c) 2018 Apple 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 | ||
| 24 | #ifndef _POSIX_PTHREAD_OFFSETS_H | |
| 25 | #define _POSIX_PTHREAD_OFFSETS_H | |
| 26 | ||
| 27 | #ifndef __ASSEMBLER__ | |
| 28 | #define check_backward_offset(field, value) \ | |
| 29 | _Static_assert(offsetof(struct _pthread, tsd) + value == \ | |
| 30 | offsetof(struct _pthread, field), #value " is correct") | |
| 31 | #define check_forward_offset(field, value) \ | |
| 32 | _Static_assert(offsetof(struct _pthread, field) == value, \ | |
| 33 | #value " is correct") | |
| 34 | #else | |
| 35 | #define check_backward_offset(field, value) | |
| 36 | #define check_forward_offset(field, value) | |
| 37 | #endif // __ASSEMBLER__ | |
| 38 | ||
| 39 | #if defined(__i386__) | |
| 40 | #define _PTHREAD_STRUCT_DIRECT_STACKADDR_OFFSET 140 | |
| 41 | #define _PTHREAD_STRUCT_DIRECT_STACKBOTTOM_OFFSET 144 | |
| 42 | #elif __LP64__ | |
| 43 | #define _PTHREAD_STRUCT_DIRECT_STACKADDR_OFFSET -48 | |
| 44 | #define _PTHREAD_STRUCT_DIRECT_STACKBOTTOM_OFFSET -40 | |
| 45 | #else | |
| 46 | #define _PTHREAD_STRUCT_DIRECT_STACKADDR_OFFSET -36 | |
| 47 | #define _PTHREAD_STRUCT_DIRECT_STACKBOTTOM_OFFSET -32 | |
| 48 | #endif | |
| 49 | ||
| 50 | #if defined(__i386__) | |
| 51 | check_forward_offset(stackaddr, _PTHREAD_STRUCT_DIRECT_STACKADDR_OFFSET); | |
| 52 | check_forward_offset(stackbottom, _PTHREAD_STRUCT_DIRECT_STACKBOTTOM_OFFSET); | |
| 53 | #else | |
| 54 | check_backward_offset(stackaddr, _PTHREAD_STRUCT_DIRECT_STACKADDR_OFFSET); | |
| 55 | check_backward_offset(stackbottom, _PTHREAD_STRUCT_DIRECT_STACKBOTTOM_OFFSET); | |
| 56 | #endif | |
| 57 | ||
| 58 | #endif /* _POSIX_PTHREAD_OFFSETS_H */ |