| /* Copyright (C) 1997-2018 Free Software Foundation, Inc. |
| This file is part of the GNU C Library. |
| |
| The GNU C Library is free software; you can redistribute it and/or |
| modify it under the terms of the GNU Lesser General Public |
| License as published by the Free Software Foundation; either |
| version 2.1 of the License, or (at your option) any later version. |
| |
| The GNU C Library is distributed in the hope that it will be useful, |
| but WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| Lesser General Public License for more details. |
| |
| You should have received a copy of the GNU Lesser General Public |
| License along with the GNU C Library. If not, see |
| <http://www.gnu.org/licenses/>. */ |
| |
| /* Don't rely on this, the interface is currently messed up and may need to |
| be broken to be fixed. */ |
| #ifndef _SYS_UCONTEXT_H |
| #define _SYS_UCONTEXT_H 1 |
| |
| #include <features.h> |
| |
| #include <bits/types/sigset_t.h> |
| #include <bits/types/stack_t.h> |
| |
| |
| #ifdef __USE_MISC |
| # define __ctx(fld) fld |
| #else |
| # define __ctx(fld) __ ## fld |
| #endif |
| |
| #ifdef __USE_MISC |
| /* Type for general register. */ |
| typedef unsigned long int greg_t; |
| |
| /* Number of general registers. */ |
| # define NGREG 80 |
| # define NFPREG 32 |
| |
| /* Container for all general registers. */ |
| typedef struct gregset |
| { |
| greg_t g_regs[32]; |
| greg_t sr_regs[8]; |
| greg_t cr_regs[24]; |
| greg_t g_pad[16]; |
| } gregset_t; |
| |
| /* Container for all FPU registers. */ |
| typedef struct fpregset |
| { |
| double fp_dregs[32]; |
| } fpregset_t; |
| #endif |
| |
| /* Context to describe whole processor state. */ |
| typedef struct |
| { |
| unsigned long int __ctx(sc_flags); |
| unsigned long int __ctx(sc_gr)[32]; |
| unsigned long long int __ctx(sc_fr)[32]; |
| unsigned long int __ctx(sc_iasq)[2]; |
| unsigned long int __ctx(sc_iaoq)[2]; |
| unsigned long int __ctx(sc_sar); |
| } mcontext_t; |
| |
| /* Userlevel context. */ |
| typedef struct ucontext_t |
| { |
| unsigned long int __ctx(uc_flags); |
| struct ucontext_t *uc_link; |
| stack_t uc_stack; |
| mcontext_t uc_mcontext; |
| sigset_t uc_sigmask; |
| } ucontext_t; |
| |
| #undef __ctx |
| |
| #endif /* sys/ucontext.h */ |
