| 12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849505152535455565758596061626364656667686970717273747576777879 |
- /* 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 */
|
