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-rw-r--r--libc/sysdeps/linux/ia64/bits/sigcontext.h79
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diff --git a/libc/sysdeps/linux/ia64/bits/sigcontext.h b/libc/sysdeps/linux/ia64/bits/sigcontext.h
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+++ b/libc/sysdeps/linux/ia64/bits/sigcontext.h
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+/* Copyright (C) 1996, 1997, 1998, 2000, 2001, 2003, 2004
+ Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Jes Sorensen <jes@linuxcare.com>, July 2000
+
+ 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, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+#if !defined _SIGNAL_H && !defined _SYS_UCONTEXT_H
+# error "Never use <bits/sigcontext.h> directly; include <signal.h> instead."
+#endif
+
+#ifndef _BITS_SIGCONTEXT_H
+#define _BITS_SIGCONTEXT_H 1
+
+#include <bits/sigstack.h>
+
+struct ia64_fpreg
+ {
+ union
+ {
+ unsigned long bits[2];
+ } u;
+ } __attribute__ ((aligned (16)));
+
+struct sigcontext
+{
+ unsigned long int sc_flags; /* see manifest constants below */
+ unsigned long int sc_nat; /* bit i == 1 iff scratch reg gr[i] is a NaT */
+ stack_t sc_stack; /* previously active stack */
+
+ unsigned long int sc_ip; /* instruction pointer */
+ unsigned long int sc_cfm; /* current frame marker */
+ unsigned long int sc_um; /* user mask bits */
+ unsigned long int sc_ar_rsc; /* register stack configuration register */
+ unsigned long int sc_ar_bsp; /* backing store pointer */
+ unsigned long int sc_ar_rnat; /* RSE NaT collection register */
+ unsigned long int sc_ar_ccv; /* compare & exchange compare value register */
+ unsigned long int sc_ar_unat; /* ar.unat of interrupted context */
+ unsigned long int sc_ar_fpsr; /* floating-point status register */
+ unsigned long int sc_ar_pfs; /* previous function state */
+ unsigned long int sc_ar_lc; /* loop count register */
+ unsigned long int sc_pr; /* predicate registers */
+ unsigned long int sc_br[8]; /* branch registers */
+ unsigned long int sc_gr[32]; /* general registers (static partition) */
+ struct ia64_fpreg sc_fr[128]; /* floating-point registers */
+ unsigned long int sc_rbs_base;/* NULL or new base of sighandler's rbs */
+ unsigned long int sc_loadrs; /* see description above */
+ unsigned long int sc_ar25; /* cmp8xchg16 uses this */
+ unsigned long int sc_ar26; /* rsvd for scratch use */
+ unsigned long int sc_rsvd[12];/* reserved for future use */
+
+ /* sc_mask is actually an sigset_t but we don't want to
+ * include the kernel headers here. */
+ unsigned long int sc_mask; /* signal mask to restore after handler returns */
+};
+
+/* sc_flag bit definitions. */
+#define IA64_SC_FLAG_ONSTACK_BIT 0 /* is handler running on signal stack? */
+#define IA64_SC_FLAG_IN_SYSCALL_BIT 1 /* did signal interrupt a syscall? */
+#define IA64_SC_FLAG_FPH_VALID_BIT 2 /* is state in f[32]-f[127] valid? */
+
+#define IA64_SC_FLAG_ONSTACK (1 << IA64_SC_FLAG_ONSTACK_BIT)
+#define IA64_SC_FLAG_IN_SYSCALL (1 << IA64_SC_FLAG_IN_SYSCALL_BIT)
+#define IA64_SC_FLAG_FPH_VALID (1 << IA64_SC_FLAG_FPH_VALID_BIT)
+
+#endif /* _BITS_SIGCONTEXT_H */