79 lines
1.6 KiB
C
79 lines
1.6 KiB
C
#ifndef _M68K_SIGNAL_H
|
|
#define _M68K_SIGNAL_H
|
|
|
|
#include <uapi/asm/signal.h>
|
|
|
|
/* Most things should be clean enough to redefine this at will, if care
|
|
is taken to make libc match. */
|
|
|
|
#define _NSIG 64
|
|
#define _NSIG_BPW 32
|
|
#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;
|
|
|
|
#define __ARCH_HAS_SA_RESTORER
|
|
|
|
#include <asm/sigcontext.h>
|
|
|
|
#ifndef CONFIG_CPU_HAS_NO_BITFIELDS
|
|
#define __HAVE_ARCH_SIG_BITOPS
|
|
|
|
static inline void sigaddset(sigset_t *set, int _sig)
|
|
{
|
|
asm ("bfset %0{%1,#1}"
|
|
: "+o" (*set)
|
|
: "id" ((_sig - 1) ^ 31)
|
|
: "cc");
|
|
}
|
|
|
|
static inline void sigdelset(sigset_t *set, int _sig)
|
|
{
|
|
asm ("bfclr %0{%1,#1}"
|
|
: "+o" (*set)
|
|
: "id" ((_sig - 1) ^ 31)
|
|
: "cc");
|
|
}
|
|
|
|
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 ("bfextu %1{%2,#1},%0"
|
|
: "=d" (ret)
|
|
: "o" (*set), "id" ((_sig-1) ^ 31)
|
|
: "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 ("bfffo %1{#0,#0},%0"
|
|
: "=d" (word)
|
|
: "d" (word & -word)
|
|
: "cc");
|
|
return word ^ 31;
|
|
}
|
|
|
|
#endif /* !CONFIG_CPU_HAS_NO_BITFIELDS */
|
|
|
|
#ifndef __uClinux__
|
|
extern void ptrace_signal_deliver(void);
|
|
#define ptrace_signal_deliver ptrace_signal_deliver
|
|
#endif /* __uClinux__ */
|
|
|
|
#endif /* _M68K_SIGNAL_H */
|