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
13 typedef unsigned long old_sigset_t; /* at least 32 bits */
14
15 typedef 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
sigaddset(sigset_t * set,int _sig)26 static 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
sigdelset(sigset_t * set,int _sig)34 static 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
__const_sigismember(sigset_t * set,int _sig)42 static 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
__gen_sigismember(sigset_t * set,int _sig)48 static 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__
66 extern void ptrace_signal_deliver(void);
67 #define ptrace_signal_deliver ptrace_signal_deliver
68 #endif /* __uClinux__ */
69
70 #endif /* _M68K_SIGNAL_H */
71