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 14typedef unsigned long old_sigset_t; /* at least 32 bits */ 15 16typedef 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 99struct 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 106struct 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 113struct k_sigaction { 114 struct sigaction sa; 115}; 116 117typedef struct sigaltstack { 118 void __user *ss_sp; 119 int ss_flags; 120 size_t ss_size; 121} stack_t; 122 123#ifdef __KERNEL__ 124struct 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 */ 137struct 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