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 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 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 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 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 static inline int sigfindinword(unsigned long word) 64 { 65 asm ("bfffo %1{#0,#0},%0" 66 : "=d" (word) 67 : "d" (word & -word) 68 : "cc"); 69 return word ^ 31; 70 } 71 72 #endif /* !CONFIG_CPU_HAS_NO_BITFIELDS */ 73 74 #ifndef __uClinux__ 75 extern void ptrace_signal_deliver(void); 76 #define ptrace_signal_deliver ptrace_signal_deliver 77 #endif /* __uClinux__ */ 78 79 #endif /* _M68K_SIGNAL_H */ 80