diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux/alpha/bits/ucontext.h')
-rw-r--r-- | sysdeps/unix/sysv/linux/alpha/bits/ucontext.h | 94 |
1 files changed, 94 insertions, 0 deletions
diff --git a/sysdeps/unix/sysv/linux/alpha/bits/ucontext.h b/sysdeps/unix/sysv/linux/alpha/bits/ucontext.h new file mode 100644 index 0000000000..12b23f01de --- /dev/null +++ b/sysdeps/unix/sysv/linux/alpha/bits/ucontext.h @@ -0,0 +1,94 @@ +/* Copyright (C) 1998-2020 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 + <https://www.gnu.org/licenses/>. */ + +#ifndef _BITS_UCONTEXT_H +#define _BITS_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 /* bits/ucontext.h */ |