import files from glibc for an ia64/static port

1 files changed, 79 insertions, 0 deletions

diff --git a/libc/sysdeps/linux/ia64/bits/sigcontext.h b/libc/sysdeps/linux/ia64/bits/sigcontext.h
new file mode 100644
index 000000000..72c60ec24
--- /dev/null
+++ b/libc/sysdeps/linux/ia64/bits/sigcontext.h
@@ -0,0 +1,79 @@
+/* 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 */