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authorJoseph Myers <joseph@codesourcery.com>2012-07-01 13:08:59 +0000
committerJoseph Myers <joseph@codesourcery.com>2012-07-01 13:08:59 +0000
commite84eabb3871c9b39e59323bf3f6b98c2ca9d1cd0 (patch)
treedff3f1b79454b518d15a7b9bbedeb57ff156bbe8 /ports/sysdeps/unix/sysv/linux/tile/ucontext_i.h
parent75f0d3040a2c2de8842bfa7a09e11da1a73e17d0 (diff)
parente64ac02c24b43659048622714afdc92fedf561fa (diff)
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Merge glibc-ports into ports/ directory. glibc-2.16.90 glibc-2.16-ports-merge
Diffstat (limited to 'ports/sysdeps/unix/sysv/linux/tile/ucontext_i.h')
-rw-r--r--ports/sysdeps/unix/sysv/linux/tile/ucontext_i.h42
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 */