| /* Copyright (C) 2011-2014 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 <signal.h> |
| |
| /* We need the signal context definitions even if they are not used |
| included in <signal.h>. */ |
| #include <bits/sigcontext.h> |
| |
| /* 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]; |
| |
| #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 |
| |
| /* A machine context is exactly a sigcontext. */ |
| typedef struct sigcontext mcontext_t; |
| |
| /* Userlevel context. */ |
| typedef struct ucontext |
| { |
| unsigned long int uc_flags; |
| struct ucontext *uc_link; |
| stack_t uc_stack; |
| mcontext_t uc_mcontext; |
| __sigset_t uc_sigmask; |
| } ucontext_t; |
| |
| #endif /* sys/ucontext.h */ |
