1 #ifndef _ASM_POWERPC_SIGNAL_H 2 #define _ASM_POWERPC_SIGNAL_H 3 4 #include <linux/types.h> 5 6 #define _NSIG 64 7 #ifdef __powerpc64__ 8 #define _NSIG_BPW 64 9 #else 10 #define _NSIG_BPW 32 11 #endif 12 #define _NSIG_WORDS (_NSIG / _NSIG_BPW) 13 14 typedef unsigned long old_sigset_t; /* at least 32 bits */ 15 16 typedef struct { 17 unsigned long sig[_NSIG_WORDS]; 18 } sigset_t; 19 20 #define SIGHUP 1 21 #define SIGINT 2 22 #define SIGQUIT 3 23 #define SIGILL 4 24 #define SIGTRAP 5 25 #define SIGABRT 6 26 #define SIGIOT 6 27 #define SIGBUS 7 28 #define SIGFPE 8 29 #define SIGKILL 9 30 #define SIGUSR1 10 31 #define SIGSEGV 11 32 #define SIGUSR2 12 33 #define SIGPIPE 13 34 #define SIGALRM 14 35 #define SIGTERM 15 36 #define SIGSTKFLT 16 37 #define SIGCHLD 17 38 #define SIGCONT 18 39 #define SIGSTOP 19 40 #define SIGTSTP 20 41 #define SIGTTIN 21 42 #define SIGTTOU 22 43 #define SIGURG 23 44 #define SIGXCPU 24 45 #define SIGXFSZ 25 46 #define SIGVTALRM 26 47 #define SIGPROF 27 48 #define SIGWINCH 28 49 #define SIGIO 29 50 #define SIGPOLL SIGIO 51 /* 52 #define SIGLOST 29 53 */ 54 #define SIGPWR 30 55 #define SIGSYS 31 56 #define SIGUNUSED 31 57 58 /* These should not be considered constants from userland. */ 59 #define SIGRTMIN 32 60 #define SIGRTMAX _NSIG 61 62 /* 63 * SA_FLAGS values: 64 * 65 * SA_ONSTACK is not currently supported, but will allow sigaltstack(2). 66 * SA_RESTART flag to get restarting signals (which were the default long ago) 67 * SA_NOCLDSTOP flag to turn off SIGCHLD when children stop. 68 * SA_RESETHAND clears the handler when the signal is delivered. 69 * SA_NOCLDWAIT flag on SIGCHLD to inhibit zombies. 70 * SA_NODEFER prevents the current signal from being masked in the handler. 71 * 72 * SA_ONESHOT and SA_NOMASK are the historical Linux names for the Single 73 * Unix names RESETHAND and NODEFER respectively. 74 */ 75 #define SA_NOCLDSTOP 0x00000001U 76 #define SA_NOCLDWAIT 0x00000002U 77 #define SA_SIGINFO 0x00000004U 78 #define SA_ONSTACK 0x08000000U 79 #define SA_RESTART 0x10000000U 80 #define SA_NODEFER 0x40000000U 81 #define SA_RESETHAND 0x80000000U 82 83 #define SA_NOMASK SA_NODEFER 84 #define SA_ONESHOT SA_RESETHAND 85 86 #define SA_RESTORER 0x04000000U 87 88 /* 89 * sigaltstack controls 90 */ 91 #define SS_ONSTACK 1 92 #define SS_DISABLE 2 93 94 #define MINSIGSTKSZ 2048 95 #define SIGSTKSZ 8192 96 97 #include <asm-generic/signal-defs.h> 98 99 struct old_sigaction { 100 __sighandler_t sa_handler; 101 old_sigset_t sa_mask; 102 unsigned long sa_flags; 103 __sigrestore_t sa_restorer; 104 }; 105 106 struct sigaction { 107 __sighandler_t sa_handler; 108 unsigned long sa_flags; 109 __sigrestore_t sa_restorer; 110 sigset_t sa_mask; /* mask last for extensibility */ 111 }; 112 113 struct k_sigaction { 114 struct sigaction sa; 115 }; 116 117 typedef struct sigaltstack { 118 void __user *ss_sp; 119 int ss_flags; 120 size_t ss_size; 121 } stack_t; 122 123 #ifdef __KERNEL__ 124 struct pt_regs; 125 #define ptrace_signal_deliver(regs, cookie) do { } while (0) 126 #endif /* __KERNEL__ */ 127 128 #ifndef __powerpc64__ 129 /* 130 * These are parameters to dbg_sigreturn syscall. They enable or 131 * disable certain debugging things that can be done from signal 132 * handlers. The dbg_sigreturn syscall *must* be called from a 133 * SA_SIGINFO signal so the ucontext can be passed to it. It takes an 134 * array of struct sig_dbg_op, which has the debug operations to 135 * perform before returning from the signal. 136 */ 137 struct sig_dbg_op { 138 int dbg_type; 139 unsigned long dbg_value; 140 }; 141 142 /* Enable or disable single-stepping. The value sets the state. */ 143 #define SIG_DBG_SINGLE_STEPPING 1 144 145 /* Enable or disable branch tracing. The value sets the state. */ 146 #define SIG_DBG_BRANCH_TRACING 2 147 #endif /* ! __powerpc64__ */ 148 149 #endif /* _ASM_POWERPC_SIGNAL_H */ 150