1#ifndef _M68K_SIGNAL_H
2#define _M68K_SIGNAL_H
3
4#include <uapi/asm/signal.h>
5
6/* Most things should be clean enough to redefine this at will, if care
7   is taken to make libc match.  */
8
9#define _NSIG		64
10#define _NSIG_BPW	32
11#define _NSIG_WORDS	(_NSIG / _NSIG_BPW)
12
13typedef unsigned long old_sigset_t;		/* at least 32 bits */
14
15typedef struct {
16	unsigned long sig[_NSIG_WORDS];
17} sigset_t;
18
19#define __ARCH_HAS_SA_RESTORER
20
21#include <asm/sigcontext.h>
22
23#ifndef CONFIG_CPU_HAS_NO_BITFIELDS
24#define __HAVE_ARCH_SIG_BITOPS
25
26static inline void sigaddset(sigset_t *set, int _sig)
27{
28	asm ("bfset %0{%1,#1}"
29		: "+o" (*set)
30		: "id" ((_sig - 1) ^ 31)
31		: "cc");
32}
33
34static inline void sigdelset(sigset_t *set, int _sig)
35{
36	asm ("bfclr %0{%1,#1}"
37		: "+o" (*set)
38		: "id" ((_sig - 1) ^ 31)
39		: "cc");
40}
41
42static inline int __const_sigismember(sigset_t *set, int _sig)
43{
44	unsigned long sig = _sig - 1;
45	return 1 & (set->sig[sig / _NSIG_BPW] >> (sig % _NSIG_BPW));
46}
47
48static inline int __gen_sigismember(sigset_t *set, int _sig)
49{
50	int ret;
51	asm ("bfextu %1{%2,#1},%0"
52		: "=d" (ret)
53		: "o" (*set), "id" ((_sig-1) ^ 31)
54		: "cc");
55	return ret;
56}
57
58#define sigismember(set,sig)			\
59	(__builtin_constant_p(sig) ?		\
60	 __const_sigismember(set,sig) :		\
61	 __gen_sigismember(set,sig))
62
63#endif /* !CONFIG_CPU_HAS_NO_BITFIELDS */
64
65#ifndef __uClinux__
66extern void ptrace_signal_deliver(void);
67#define ptrace_signal_deliver ptrace_signal_deliver
68#endif /* __uClinux__ */
69
70#endif /* _M68K_SIGNAL_H */
71