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| 1 | /* Data structures for user-level context switching. MicroBlaze version. |
|---|---|
| 2 | Copyright (C) 1997-2024 Free Software Foundation, Inc. |
| 3 | This file is part of the GNU C Library. |
| 4 | |
| 5 | The GNU C Library is free software; you can redistribute it and/or |
| 6 | modify it under the terms of the GNU Lesser General Public |
| 7 | License as published by the Free Software Foundation; either |
| 8 | version 2.1 of the License, or (at your option) any later version. |
| 9 | |
| 10 | The GNU C Library is distributed in the hope that it will be useful, |
| 11 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 13 | Lesser General Public License for more details. |
| 14 | |
| 15 | You should have received a copy of the GNU Lesser General Public |
| 16 | License along with the GNU C Library; if not, see |
| 17 | <https://www.gnu.org/licenses/>. */ |
| 18 | |
| 19 | #ifndef _SYS_UCONTEXT_H |
| 20 | #define _SYS_UCONTEXT_H 1 |
| 21 | |
| 22 | #include <features.h> |
| 23 | |
| 24 | #include <bits/types/sigset_t.h> |
| 25 | #include <bits/types/stack_t.h> |
| 26 | |
| 27 | |
| 28 | #ifdef __USE_MISC |
| 29 | # define __ctx(fld) fld |
| 30 | #else |
| 31 | # define __ctx(fld) __ ## fld |
| 32 | #endif |
| 33 | |
| 34 | typedef struct |
| 35 | { |
| 36 | struct |
| 37 | { |
| 38 | unsigned long int __ctx(r0); |
| 39 | unsigned long int __ctx(r1); |
| 40 | unsigned long int __ctx(r2); |
| 41 | unsigned long int __ctx(r3); |
| 42 | unsigned long int __ctx(r4); |
| 43 | unsigned long int __ctx(r5); |
| 44 | unsigned long int __ctx(r6); |
| 45 | unsigned long int __ctx(r7); |
| 46 | unsigned long int __ctx(r8); |
| 47 | unsigned long int __ctx(r9); |
| 48 | unsigned long int __ctx(r10); |
| 49 | unsigned long int __ctx(r11); |
| 50 | unsigned long int __ctx(r12); |
| 51 | unsigned long int __ctx(r13); |
| 52 | unsigned long int __ctx(r14); |
| 53 | unsigned long int __ctx(r15); |
| 54 | unsigned long int __ctx(r16); |
| 55 | unsigned long int __ctx(r17); |
| 56 | unsigned long int __ctx(r18); |
| 57 | unsigned long int __ctx(r19); |
| 58 | unsigned long int __ctx(r20); |
| 59 | unsigned long int __ctx(r21); |
| 60 | unsigned long int __ctx(r22); |
| 61 | unsigned long int __ctx(r23); |
| 62 | unsigned long int __ctx(r24); |
| 63 | unsigned long int __ctx(r25); |
| 64 | unsigned long int __ctx(r26); |
| 65 | unsigned long int __ctx(r27); |
| 66 | unsigned long int __ctx(r28); |
| 67 | unsigned long int __ctx(r29); |
| 68 | unsigned long int __ctx(r30); |
| 69 | unsigned long int __ctx(r31); |
| 70 | unsigned long int __ctx(pc); |
| 71 | unsigned long int __ctx(msr); |
| 72 | unsigned long int __ctx(ear); |
| 73 | unsigned long int __ctx(esr); |
| 74 | unsigned long int __ctx(fsr); |
| 75 | int __ctx(pt_mode); |
| 76 | } __ctx(regs); |
| 77 | unsigned long int __ctx(oldmask); |
| 78 | } mcontext_t; |
| 79 | |
| 80 | /* Userlevel context. */ |
| 81 | typedef struct ucontext_t |
| 82 | { |
| 83 | unsigned long int __ctx(uc_flags); |
| 84 | struct ucontext_t *uc_link; |
| 85 | stack_t uc_stack; |
| 86 | mcontext_t uc_mcontext; |
| 87 | sigset_t uc_sigmask; |
| 88 | } ucontext_t; |
| 89 | |
| 90 | #undef __ctx |
| 91 | |
| 92 | #endif /* sys/ucontext.h */ |
| 93 |
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