/* Copyright (C) 1998-2023 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 . */ #ifndef _SYS_UCONTEXT_H #define _SYS_UCONTEXT_H 1 #include #include #include #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 */