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| 1 | /* struct ucontext definition, C-SKY version. |
|---|---|
| 2 | Copyright (C) 2018-2024 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 | typedef struct |
| 28 | { |
| 29 | unsigned long __tls; |
| 30 | unsigned long __lr; |
| 31 | unsigned long __pc; |
| 32 | unsigned long __sr; |
| 33 | unsigned long __usp; |
| 34 | |
| 35 | /* |
| 36 | * a0, a1, a2, a3: |
| 37 | * abiv1: r2, r3, r4, r5 |
| 38 | * abiv2: r0, r1, r2, r3 |
| 39 | */ |
| 40 | |
| 41 | unsigned long __orig_a0; |
| 42 | unsigned long __a0; |
| 43 | unsigned long __a1; |
| 44 | unsigned long __a2; |
| 45 | unsigned long __a3; |
| 46 | |
| 47 | /* |
| 48 | * ABIV2: r4 ~ r13 |
| 49 | */ |
| 50 | unsigned long __regs[10]; |
| 51 | |
| 52 | /* r16 ~ r30 */ |
| 53 | unsigned long __exregs[15]; |
| 54 | |
| 55 | unsigned long __rhi; |
| 56 | unsigned long __rlo; |
| 57 | unsigned long __glibc_reserved; |
| 58 | } gregset_t; |
| 59 | |
| 60 | typedef struct |
| 61 | { |
| 62 | unsigned long __vr[64]; |
| 63 | unsigned long __fcr; |
| 64 | unsigned long __fesr; |
| 65 | unsigned long __fid; |
| 66 | unsigned long __glibc_reserved; |
| 67 | } fpregset_t; |
| 68 | |
| 69 | /* Context to describe whole processor state. */ |
| 70 | typedef struct |
| 71 | { |
| 72 | gregset_t __gregs; |
| 73 | fpregset_t __fpregs; |
| 74 | } mcontext_t; |
| 75 | |
| 76 | /* Userlevel context. */ |
| 77 | typedef struct ucontext_t |
| 78 | { |
| 79 | unsigned long int __uc_flags; |
| 80 | struct ucontext_t *uc_link; |
| 81 | stack_t uc_stack; |
| 82 | mcontext_t uc_mcontext; |
| 83 | sigset_t uc_sigmask; |
| 84 | } ucontext_t; |
| 85 | |
| 86 | #undef __ctx |
| 87 | |
| 88 | |
| 89 | #endif /* sys/ucontext.h */ |
| 90 |
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