| /* Copyright (C) 1998-2018 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/>. */ |
| |
| #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 |
| |
| /* Type for general register. */ |
| typedef long int greg_t; |
| |
| /* Number of general registers. */ |
| #define __NGREG 33 |
| #ifdef __USE_MISC |
| # define NGREG __NGREG |
| #endif |
| |
| /* Container for all general registers. */ |
| typedef greg_t gregset_t[__NGREG]; |
| |
| /* Type for floating-point register. */ |
| typedef long int fpreg_t; |
| |
| /* Number of general registers. */ |
| #define __NFPREG 32 |
| #ifdef __USE_MISC |
| # define NFPREG __NFPREG |
| #endif |
| |
| /* Container for all general registers. */ |
| typedef fpreg_t fpregset_t[__NFPREG]; |
| |
| |
| /* A machine context is exactly a sigcontext. */ |
| typedef struct |
| { |
| long int __ctx(sc_onstack); |
| long int __ctx(sc_mask); |
| long int __ctx(sc_pc); |
| long int __ctx(sc_ps); |
| long int __ctx(sc_regs)[32]; |
| long int __ctx(sc_ownedfp); |
| long int __ctx(sc_fpregs)[32]; |
| unsigned long int __ctx(sc_fpcr); |
| unsigned long int __ctx(sc_fp_control); |
| unsigned long int __glibc_reserved1, __glibc_reserved2; |
| unsigned long int __ctx(sc_ssize); |
| char *__ctx(sc_sbase); |
| unsigned long int __ctx(sc_traparg_a0); |
| unsigned long int __ctx(sc_traparg_a1); |
| unsigned long int __ctx(sc_traparg_a2); |
| unsigned long int __ctx(sc_fp_trap_pc); |
| unsigned long int __ctx(sc_fp_trigger_sum); |
| unsigned long int __ctx(sc_fp_trigger_inst); |
| } mcontext_t; |
| |
| /* Userlevel context. */ |
| typedef struct ucontext_t |
| { |
| unsigned long int __ctx(uc_flags); |
| struct ucontext_t *uc_link; |
| unsigned long __uc_osf_sigmask; |
| stack_t uc_stack; |
| mcontext_t uc_mcontext; |
| sigset_t uc_sigmask; |
| } ucontext_t; |
| |
| #undef __ctx |
| |
| #endif /* sys/ucontext.h */ |