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| 1 | /* Copyright (C) 1999-2024 Free Software Foundation, Inc. |
|---|---|
| 2 | This file is part of the GNU C Library. |
| 3 | |
| 4 | The GNU C Library is free software; you can redistribute it and/or |
| 5 | modify it under the terms of the GNU Lesser General Public |
| 6 | License as published by the Free Software Foundation; either |
| 7 | version 2.1 of the License, or (at your option) any later version. |
| 8 | |
| 9 | The GNU C Library is distributed in the hope that it will be useful, |
| 10 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 12 | Lesser General Public License for more details. |
| 13 | |
| 14 | You should have received a copy of the GNU Lesser General Public |
| 15 | License along with the GNU C Library; if not, see |
| 16 | <https://www.gnu.org/licenses/>. */ |
| 17 | |
| 18 | /* Where is System V/SH ABI? */ |
| 19 | |
| 20 | #ifndef _SYS_UCONTEXT_H |
| 21 | #define _SYS_UCONTEXT_H 1 |
| 22 | |
| 23 | #include <features.h> |
| 24 | |
| 25 | #include <bits/types/sigset_t.h> |
| 26 | #include <bits/types/stack_t.h> |
| 27 | |
| 28 | |
| 29 | typedef int greg_t; |
| 30 | |
| 31 | /* Number of general registers. */ |
| 32 | #define __NGREG 16 |
| 33 | #ifdef __USE_MISC |
| 34 | # define NGREG __NGREG |
| 35 | #endif |
| 36 | |
| 37 | /* Container for all general registers. */ |
| 38 | typedef greg_t gregset_t[__NGREG]; |
| 39 | |
| 40 | #ifdef __USE_MISC |
| 41 | /* Number of each register is the `gregset_t' array. */ |
| 42 | enum |
| 43 | { |
| 44 | REG_R0 = 0, |
| 45 | # define REG_R0 REG_R0 |
| 46 | REG_R1 = 1, |
| 47 | # define REG_R1 REG_R1 |
| 48 | REG_R2 = 2, |
| 49 | # define REG_R2 REG_R2 |
| 50 | REG_R3 = 3, |
| 51 | # define REG_R3 REG_R3 |
| 52 | REG_R4 = 4, |
| 53 | # define REG_R4 REG_R4 |
| 54 | REG_R5 = 5, |
| 55 | # define REG_R5 REG_R5 |
| 56 | REG_R6 = 6, |
| 57 | # define REG_R6 REG_R6 |
| 58 | REG_R7 = 7, |
| 59 | # define REG_R7 REG_R7 |
| 60 | REG_R8 = 8, |
| 61 | # define REG_R8 REG_R8 |
| 62 | REG_R9 = 9, |
| 63 | # define REG_R9 REG_R9 |
| 64 | REG_R10 = 10, |
| 65 | # define REG_R10 REG_R10 |
| 66 | REG_R11 = 11, |
| 67 | # define REG_R11 REG_R11 |
| 68 | REG_R12 = 12, |
| 69 | # define REG_R12 REG_R12 |
| 70 | REG_R13 = 13, |
| 71 | # define REG_R13 REG_R13 |
| 72 | REG_R14 = 14, |
| 73 | # define REG_R14 REG_R14 |
| 74 | REG_R15 = 15, |
| 75 | # define REG_R15 REG_R15 |
| 76 | }; |
| 77 | #endif |
| 78 | |
| 79 | typedef int freg_t; |
| 80 | |
| 81 | /* Number of FPU registers. */ |
| 82 | #define __NFPREG 16 |
| 83 | #ifdef __USE_MISC |
| 84 | # define NFPREG __NFPREG |
| 85 | #endif |
| 86 | |
| 87 | /* Structure to describe FPU registers. */ |
| 88 | typedef freg_t fpregset_t[__NFPREG]; |
| 89 | |
| 90 | #ifdef __USE_MISC |
| 91 | # define __ctx(fld) fld |
| 92 | #else |
| 93 | # define __ctx(fld) __ ## fld |
| 94 | #endif |
| 95 | |
| 96 | /* Context to describe whole processor state. */ |
| 97 | typedef struct |
| 98 | { |
| 99 | unsigned int __ctx(oldmask); |
| 100 | gregset_t __ctx(gregs); |
| 101 | unsigned int __ctx(pc); |
| 102 | unsigned int __ctx(pr); |
| 103 | unsigned int __ctx(sr); |
| 104 | unsigned int __ctx(gbr); |
| 105 | unsigned int __ctx(mach); |
| 106 | unsigned int __ctx(macl); |
| 107 | fpregset_t __ctx(fpregs); |
| 108 | fpregset_t __ctx(xfpregs); |
| 109 | unsigned int __ctx(fpscr); |
| 110 | unsigned int __ctx(fpul); |
| 111 | unsigned int __ctx(ownedfp); |
| 112 | } mcontext_t; |
| 113 | |
| 114 | /* Userlevel context. */ |
| 115 | typedef struct ucontext_t |
| 116 | { |
| 117 | unsigned long int __ctx(uc_flags); |
| 118 | struct ucontext_t *uc_link; |
| 119 | stack_t uc_stack; |
| 120 | mcontext_t uc_mcontext; |
| 121 | sigset_t uc_sigmask; |
| 122 | } ucontext_t; |
| 123 | |
| 124 | #undef __ctx |
| 125 | |
| 126 | #endif /* sys/ucontext.h */ |
| 127 |
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