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 struct old_sigaction { 20 __sighandler_t sa_handler; 21 old_sigset_t sa_mask; 22 unsigned long sa_flags; 23 __sigrestore_t sa_restorer; 24 }; 25 26 #define __ARCH_HAS_SA_RESTORER 27 28 #include <asm/sigcontext.h> 29 30 #ifndef CONFIG_CPU_HAS_NO_BITFIELDS 31 #define __HAVE_ARCH_SIG_BITOPS 32 33 static inline void sigaddset(sigset_t *set, int _sig) 34 { 35 asm ("bfset %0{%1,#1}" 36 : "+o" (*set) 37 : "id" ((_sig - 1) ^ 31) 38 : "cc"); 39 } 40 41 static inline void sigdelset(sigset_t *set, int _sig) 42 { 43 asm ("bfclr %0{%1,#1}" 44 : "+o" (*set) 45 : "id" ((_sig - 1) ^ 31) 46 : "cc"); 47 } 48 49 static inline int __const_sigismember(sigset_t *set, int _sig) 50 { 51 unsigned long sig = _sig - 1; 52 return 1 & (set->sig[sig / _NSIG_BPW] >> (sig % _NSIG_BPW)); 53 } 54 55 static inline int __gen_sigismember(sigset_t *set, int _sig) 56 { 57 int ret; 58 asm ("bfextu %1{%2,#1},%0" 59 : "=d" (ret) 60 : "o" (*set), "id" ((_sig-1) ^ 31) 61 : "cc"); 62 return ret; 63 } 64 65 #define sigismember(set,sig) \ 66 (__builtin_constant_p(sig) ? \ 67 __const_sigismember(set,sig) : \ 68 __gen_sigismember(set,sig)) 69 70 static inline int sigfindinword(unsigned long word) 71 { 72 asm ("bfffo %1{#0,#0},%0" 73 : "=d" (word) 74 : "d" (word & -word) 75 : "cc"); 76 return word ^ 31; 77 } 78 79 #endif /* !CONFIG_CPU_HAS_NO_BITFIELDS */ 80 81 #ifndef __uClinux__ 82 extern void ptrace_signal_deliver(void); 83 #define ptrace_signal_deliver ptrace_signal_deliver 84 #endif /* __uClinux__ */ 85 86 #endif /* _M68K_SIGNAL_H */ 87