diff options
Diffstat (limited to 'ports/sysdeps/unix/sysv/linux/tile/ucontext_i.h')
| -rw-r--r-- | ports/sysdeps/unix/sysv/linux/tile/ucontext_i.h | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/ports/sysdeps/unix/sysv/linux/tile/ucontext_i.h b/ports/sysdeps/unix/sysv/linux/tile/ucontext_i.h new file mode 100644 index 0000000000..f8ae9c9f16 --- /dev/null +++ b/ports/sysdeps/unix/sysv/linux/tile/ucontext_i.h @@ -0,0 +1,42 @@ +/* Copyright (C) 2011 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 */ |