projects / thirdparty / glibc.git / blame
| Commit | Line | Data |
|---|---|---|
| 568035b7 | 1 | /* Copyright (C) 1997-2013 Free Software Foundation, Inc. |
| b5f709a1 AS |
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 | |
| ab84e3ff PE |
15 | License along with the GNU C Library. If not, see |
| 16 | <http://www.gnu.org/licenses/>. */ | |
| b5f709a1 AS |
17 | |
| 18 | /* System V/m68k ABI compliant context switching support. */ | |
| 19 | ||
| 20 | #ifndef _SYS_UCONTEXT_H | |
| 21 | #define _SYS_UCONTEXT_H 1 | |
| 22 | ||
| 23 | #include <features.h> | |
| 24 | #include <signal.h> | |
| 25 | ||
| 26 | /* Type for general register. */ | |
| 27 | typedef int greg_t; | |
| 28 | ||
| 29 | /* Number of general registers. */ | |
| 30 | #define NGREG 18 | |
| 31 | ||
| 32 | /* Container for all general registers. */ | |
| 33 | typedef greg_t gregset_t[NGREG]; | |
| 34 | ||
| 35 | /* Number of each register is the `gregset_t' array. */ | |
| 36 | enum | |
| 37 | { | |
| 38 | R_D0 = 0, | |
| 39 | #define R_D0 R_D0 | |
| 40 | R_D1 = 1, | |
| 41 | #define R_D1 R_D1 | |
| 42 | R_D2 = 2, | |
| 43 | #define R_D2 R_D2 | |
| 44 | R_D3 = 3, | |
| 45 | #define R_D3 R_D3 | |
| 46 | R_D4 = 4, | |
| 47 | #define R_D4 R_D4 | |
| 48 | R_D5 = 5, | |
| 49 | #define R_D5 R_D5 | |
| 50 | R_D6 = 6, | |
| 51 | #define R_D6 R_D6 | |
| 52 | R_D7 = 7, | |
| 53 | #define R_D7 R_D7 | |
| 54 | R_A0 = 8, | |
| 55 | #define R_A0 R_A0 | |
| 56 | R_A1 = 9, | |
| 57 | #define R_A1 R_A1 | |
| 58 | R_A2 = 10, | |
| 59 | #define R_A2 R_A2 | |
| 60 | R_A3 = 11, | |
| 61 | #define R_A3 R_A3 | |
| 62 | R_A4 = 12, | |
| 63 | #define R_A4 R_A4 | |
| 64 | R_A5 = 13, | |
| 65 | #define R_A5 R_A5 | |
| 66 | R_A6 = 14, | |
| 67 | #define R_A6 R_A6 | |
| 68 | R_A7 = 15, | |
| 69 | #define R_A7 R_A7 | |
| 70 | R_SP = 15, | |
| 71 | #define R_SP R_SP | |
| 72 | R_PC = 16, | |
| 73 | #define R_PC R_PC | |
| 74 | R_PS = 17 | |
| 75 | #define R_PS R_PS | |
| 76 | }; | |
| 77 | ||
| 78 | /* Structure to describe FPU registers. */ | |
| 79 | typedef struct fpregset | |
| 80 | { | |
| b5f709a1 AS |
81 | int f_pcr; |
| 82 | int f_psr; | |
| 83 | int f_fpiaddr; | |
| 9c986f87 AS |
84 | #ifdef __mcoldfire__ |
| 85 | int f_fpregs[8][2]; | |
| 86 | #else | |
| 87 | int f_fpregs[8][3]; | |
| 88 | #endif | |
| b5f709a1 AS |
89 | } fpregset_t; |
| 90 | ||
| 91 | /* Context to describe whole processor state. */ | |
| 92 | typedef struct | |
| 93 | { | |
| 94 | int version; | |
| 95 | gregset_t gregs; | |
| 96 | fpregset_t fpregs; | |
| 97 | } mcontext_t; | |
| 98 | ||
| 99 | #define MCONTEXT_VERSION 2 | |
| 100 | ||
| 101 | /* Userlevel context. */ | |
| 102 | typedef struct ucontext | |
| 103 | { | |
| 9c986f87 | 104 | unsigned long uc_flags; |
| b5f709a1 | 105 | struct ucontext *uc_link; |
| b5f709a1 AS |
106 | stack_t uc_stack; |
| 107 | mcontext_t uc_mcontext; | |
| 9c986f87 AS |
108 | unsigned long uc_filler[80]; |
| 109 | __sigset_t uc_sigmask; | |
| b5f709a1 AS |
110 | } ucontext_t; |
| 111 | ||
| 112 | #endif /* sys/ucontext.h */ |