| /* 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/>. */ |
| |
| /* Definitions of offsets within the ucontext_t structure. Note |
| that for convenience we use __SIZEOF_POINTER__ for "long" and |
| "ssize_t" fields (and their unsigned counterparts) as well. */ |
| |
| #define UC_FLAGS_OFFSET 0 |
| #define UC_LINK_OFFSET (UC_FLAGS_OFFSET + __SIZEOF_POINTER__) |
| #define UC_STACK_SP_OFFSET (UC_LINK_OFFSET + __SIZEOF_POINTER__) |
| #define UC_STACK_FLAGS_OFFSET (UC_STACK_SP_OFFSET + __SIZEOF_POINTER__) |
| #define UC_STACK_SIZE_OFFSET (UC_STACK_FLAGS_OFFSET + __SIZEOF_POINTER__) |
| #define UC_STACK_MCONTEXT_OFFSET \ |
| ((UC_STACK_SIZE_OFFSET + __SIZEOF_POINTER__ + REGSIZE - 1) & -REGSIZE) |
| #define UC_REG(i) (UC_STACK_MCONTEXT_OFFSET + ((i) * REGSIZE)) |
| #define UC_NREGS 64 |
| #define UC_SIGMASK_OFFSET UC_REG(UC_NREGS) |
| #define UC_SIZE (UC_SIGMASK_OFFSET + (_NSIG / 8)) |
| |
| /* From <asm/siginfo.h> */ |
| #define SI_MAX_SIZE 128 |
| |
| /* From <asm/signal.h> */ |
| #define _NSIG 64 |
| #define SIG_BLOCK 0 /* for blocking signals */ |
| #define SIG_UNBLOCK 1 /* for unblocking signals */ |
| #define SIG_SETMASK 2 /* for setting the signal mask */ |
