| /* Copyright (C) 2011-2018 Free Software Foundation, Inc. |
| This file is part of the GNU C Library. |
| Contributed by Chris Metcalf <cmetcalf@tilera.com>, 2011. |
| |
| 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 |
| |
| #ifdef __USE_MISC |
| /* Get register type and register names. */ |
| # include <arch/abi.h> |
| |
| |
| /* Type for general register. */ |
| typedef uint_reg_t greg_t; |
| |
| /* Number of general registers. Must agree with <asm/ptrace.h>. */ |
| # define NGREG 64 |
| |
| /* Container for all general registers. */ |
| typedef greg_t gregset_t[NGREG]; |
| #endif |
| |
| #ifdef __USE_GNU |
| /* Names for interesting registers in the `gregset_t' array. */ |
| enum |
| { |
| /* ... r0 through r51 are just 0 through 51 ... */ |
| REG_FP = TREG_FP, |
| # define REG_FP REG_FP |
| REG_TP = TREG_TP, |
| # define REG_TP REG_TP |
| REG_SP = TREG_SP, |
| # define REG_SP REG_SP |
| REG_LR = TREG_LR, |
| # define REG_LR REG_LR |
| }; |
| #endif |
| |
| #define __need_int_reg_t |
| #include <arch/abi.h> |
| |
| /* A machine context is exactly a sigcontext. */ |
| typedef struct |
| { |
| __extension__ union |
| { |
| __uint_reg_t __ctx(gregs)[56]; |
| __extension__ struct |
| { |
| __uint_reg_t __ctx(__gregs)[53]; |
| __uint_reg_t __ctx(tp); |
| __uint_reg_t __ctx(sp); |
| __uint_reg_t __ctx(lr); |
| }; |
| }; |
| __uint_reg_t __ctx(pc); |
| __uint_reg_t __ctx(ics); |
| __uint_reg_t __ctx(faultnum); |
| __uint_reg_t __glibc_reserved1[5]; |
| } 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 */ |