projects / thirdparty / glibc.git / blame
| Commit | Line | Data |
|---|---|---|
| df019d94 | 1 | /* Copyright (C) 1998, 1999 Free Software Foundation, Inc. |
| 028502bf UD |
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 Library General Public License as | |
| 6 | published by the Free Software Foundation; either version 2 of the | |
| 7 | 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 | Library General Public License for more details. | |
| 13 | ||
| 14 | You should have received a copy of the GNU Library General Public | |
| 15 | License along with the GNU C Library; see the file COPYING.LIB. If not, | |
| 16 | write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, | |
| 17 | Boston, MA 02111-1307, USA. */ | |
| 18 | ||
| 19 | /* System V/ARM ABI compliant context switching support. */ | |
| 20 | ||
| 21 | #ifndef _SYS_UCONTEXT_H | |
| 22 | #define _SYS_UCONTEXT_H 1 | |
| 23 | ||
| 24 | #include <features.h> | |
| 25 | #include <signal.h> | |
| 26 | ||
| 27 | typedef int greg_t; | |
| 28 | ||
| 29 | /* Number of general registers. */ | |
| 30 | #define NGREG 16 | |
| 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 | R0 = 0, | |
| 39 | #define R0 R0 | |
| 40 | R1 = 1, | |
| 41 | #define R1 R1 | |
| 42 | R2 = 2, | |
| 43 | #define R2 R2 | |
| 44 | R3 = 3, | |
| 45 | #define R3 R3 | |
| 46 | R4 = 4, | |
| 47 | #define R4 R4 | |
| 48 | R5 = 5, | |
| 49 | #define R5 R5 | |
| 50 | R6 = 6, | |
| 51 | #define R6 R6 | |
| 52 | R7 = 7, | |
| 53 | #define R7 R7 | |
| 54 | R8 = 8, | |
| 55 | #define R8 R8 | |
| 56 | R9 = 9, | |
| 57 | #define R9 R9 | |
| 58 | R10 = 10, | |
| 59 | #define R10 R10 | |
| 60 | R11 = 11, | |
| 61 | #define R11 R11 | |
| 62 | R12 = 12, | |
| 63 | #define R12 R12 | |
| 64 | R13 = 13, | |
| 65 | #define R13 R13 | |
| 66 | R14 = 14, | |
| 67 | #define R14 R14 | |
| 68 | R15 = 15, | |
| 69 | #define R15 R15 | |
| 70 | }; | |
| 71 | ||
| 72 | /* Structure to describe FPU registers. */ | |
| 73 | typedef struct fpregset | |
| 74 | { | |
| 75 | } fpregset_t; | |
| 76 | ||
| 77 | /* Context to describe whole processor state. */ | |
| 78 | typedef struct | |
| 79 | { | |
| 80 | gregset_t gregs; | |
| 81 | fpregset_t fpregs; | |
| 82 | } mcontext_t; | |
| 83 | ||
| 84 | /* Userlevel context. */ | |
| 85 | typedef struct ucontext | |
| 86 | { | |
| 87 | unsigned long int uc_flags; | |
| df019d94 | 88 | struct ucontext *uc_link; |
| 028502bf UD |
89 | __sigset_t uc_sigmask; |
| 90 | stack_t uc_stack; | |
| 91 | mcontext_t uc_mcontext; | |
| 92 | long int uc_filler[5]; | |
| 93 | } ucontext_t; | |
| 94 | ||
| 95 | #endif /* sys/ucontext.h */ |