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 struct sigaction { 27 __sighandler_t sa_handler; 28 unsigned long sa_flags; 29 __sigrestore_t sa_restorer; 30 sigset_t sa_mask; /* mask last for extensibility */ 31 }; 32 33 struct k_sigaction { 34 struct sigaction sa; 35 }; 36 #include <asm/sigcontext.h> 37 38 #ifndef CONFIG_CPU_HAS_NO_BITFIELDS 39 #define __HAVE_ARCH_SIG_BITOPS 40 41 static inline void sigaddset(sigset_t *set, int _sig) 42 { 43 asm ("bfset %0{%1,#1}" 44 : "+o" (*set) 45 : "id" ((_sig - 1) ^ 31) 46 : "cc"); 47 } 48 49 static inline void sigdelset(sigset_t *set, int _sig) 50 { 51 asm ("bfclr %0{%1,#1}" 52 : "+o" (*set) 53 : "id" ((_sig - 1) ^ 31) 54 : "cc"); 55 } 56 57 static inline int __const_sigismember(sigset_t *set, int _sig) 58 { 59 unsigned long sig = _sig - 1; 60 return 1 & (set->sig[sig / _NSIG_BPW] >> (sig % _NSIG_BPW)); 61 } 62 63 static inline int __gen_sigismember(sigset_t *set, int _sig) 64 { 65 int ret; 66 asm ("bfextu %1{%2,#1},%0" 67 : "=d" (ret) 68 : "o" (*set), "id" ((_sig-1) ^ 31) 69 : "cc"); 70 return ret; 71 } 72 73 #define sigismember(set,sig) \ 74 (__builtin_constant_p(sig) ? \ 75 __const_sigismember(set,sig) : \ 76 __gen_sigismember(set,sig)) 77 78 static inline int sigfindinword(unsigned long word) 79 { 80 asm ("bfffo %1{#0,#0},%0" 81 : "=d" (word) 82 : "d" (word & -word) 83 : "cc"); 84 return word ^ 31; 85 } 86 87 #endif /* !CONFIG_CPU_HAS_NO_BITFIELDS */ 88 89 #ifndef __uClinux__ 90 extern void ptrace_signal_deliver(void); 91 #define ptrace_signal_deliver ptrace_signal_deliver 92 #endif /* __uClinux__ */ 93 94 #endif /* _M68K_SIGNAL_H */ 95