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#ifndef _ASM_IA64_SIGCONTEXT_H
#define _ASM_IA64_SIGCONTEXT_H
/*
* Copyright (C) 1998, 1999 Hewlett-Packard Co
* Copyright (C) 1998, 1999 David Mosberger-Tang <davidm@hpl.hp.com>
*/
#include <asm/fpu.h>
#define IA64_SC_FLAG_ONSTACK_BIT 1 /* 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)
# ifndef __ASSEMBLY__
struct sigcontext {
unsigned long sc_flags; /* see manifest constants above */
unsigned long sc_nat; /* bit i == 1 iff scratch reg gr[i] is a NaT */
stack_t sc_stack; /* previously active stack */
unsigned long sc_ip; /* instruction pointer */
unsigned long sc_cfm; /* current frame marker */
unsigned long sc_um; /* user mask bits */
unsigned long sc_ar_rsc; /* register stack configuration register */
unsigned long sc_ar_bsp; /* backing store pointer */
unsigned long sc_ar_rnat; /* RSE NaT collection register */
unsigned long sc_ar_ccv; /* compare and exchange compare value register */
unsigned long sc_ar_unat; /* ar.unat of interrupted context */
unsigned long sc_ar_fpsr; /* floating-point status register */
unsigned long sc_ar_pfs; /* previous function state */
unsigned long sc_ar_lc; /* loop count register */
unsigned long sc_pr; /* predicate registers */
unsigned long sc_br[8]; /* branch registers */
unsigned long sc_gr[32]; /* general registers (static partition) */
struct ia64_fpreg sc_fr[128]; /* floating-point registers */
/*
* The mask must come last so we can increase _NSIG_WORDS
* without breaking binary compatibility.
*/
sigset_t sc_mask; /* signal mask to restore after handler returns */
};
# endif /* __ASSEMBLY__ */
#endif /* _ASM_IA64_SIGCONTEXT_H */
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