#ifndef _ASM_X86_SIGNAL_H
#define _ASM_X86_SIGNAL_H

#ifndef __ASSEMBLY__
#include <linux/linkage.h>

/* Most things should be clean enough to redefine this at will, if care
is taken to make libc match. */

#define _NSIG 64

#ifdef __i386__
# define _NSIG_BPW 32
#else
# define _NSIG_BPW 64
#endif

#define _NSIG_WORDS (_NSIG / _NSIG_BPW)

typedef unsigned long old_sigset_t; /* at least 32 bits */

typedef struct {
unsigned long sig[_NSIG_WORDS];
} sigset_t;

#ifndef CONFIG_COMPAT
typedef sigset_t compat_sigset_t;
#endif

#endif /* __ASSEMBLY__ */
#include <uapi/asm/signal.h>
#ifndef __ASSEMBLY__
extern void do_notify_resume(struct pt_regs *, void *, __u32);

#define __ARCH_HAS_SA_RESTORER

#include <asm/sigcontext.h>

#ifdef __i386__

#define __HAVE_ARCH_SIG_BITOPS

#define sigaddset(set,sig) \
(__builtin_constant_p(sig) \
? __const_sigaddset((set), (sig)) \
: __gen_sigaddset((set), (sig)))

static inline void __gen_sigaddset(sigset_t *set, int _sig)
{
asm("btsl %1,%0" : "+m"(*set) : "Ir"(_sig - 1) : "cc");
}

static inline void __const_sigaddset(sigset_t *set, int _sig)
{
unsigned long sig = _sig - 1;
set->sig[sig / _NSIG_BPW] |= 1 << (sig % _NSIG_BPW);
}

#define sigdelset(set, sig) \
(__builtin_constant_p(sig) \
? __const_sigdelset((set), (sig)) \
: __gen_sigdelset((set), (sig)))


static inline void __gen_sigdelset(sigset_t *set, int _sig)
{
asm("btrl %1,%0" : "+m"(*set) : "Ir"(_sig - 1) : "cc");
}

static inline void __const_sigdelset(sigset_t *set, int _sig)
{
unsigned long sig = _sig - 1;
set->sig[sig / _NSIG_BPW] &= ~(1 << (sig % _NSIG_BPW));
}

static inline int __const_sigismember(sigset_t *set, int _sig)
{
unsigned long sig = _sig - 1;
return 1 & (set->sig[sig / _NSIG_BPW] >> (sig % _NSIG_BPW));
}

static inline int __gen_sigismember(sigset_t *set, int _sig)
{
int ret;
asm("btl %2,%1\n\tsbbl %0,%0"
: "=r"(ret) : "m"(*set), "Ir"(_sig-1) : "cc");
return ret;
}

#define sigismember(set, sig) \
(__builtin_constant_p(sig) \
? __const_sigismember((set), (sig)) \
: __gen_sigismember((set), (sig)))

static inline int sigfindinword(unsigned long word)
{
asm("bsfl %1,%0" : "=r"(word) : "rm"(word) : "cc");
return word;
}

struct pt_regs;

#else /* __i386__ */

#undef __HAVE_ARCH_SIG_BITOPS

#endif /* !__i386__ */

#endif /* __ASSEMBLY__ */
#endif /* _ASM_X86_SIGNAL_H */