1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ 2 #ifndef _UAPI_ASM_POWERPC_SIGNAL_H 3 #define _UAPI_ASM_POWERPC_SIGNAL_H 4 5 #include <linux/types.h> 6 7 #define _NSIG 64 8 #ifdef __powerpc64__ 9 #define _NSIG_BPW 64 10 #else 11 #define _NSIG_BPW 32 12 #endif 13 #define _NSIG_WORDS (_NSIG / _NSIG_BPW) 14 15 typedef unsigned long old_sigset_t; /* at least 32 bits */ 16 17 typedef struct { 18 unsigned long sig[_NSIG_WORDS]; 19 } sigset_t; 20 21 #define SIGHUP 1 22 #define SIGINT 2 23 #define SIGQUIT 3 24 #define SIGILL 4 25 #define SIGTRAP 5 26 #define SIGABRT 6 27 #define SIGIOT 6 28 #define SIGBUS 7 29 #define SIGFPE 8 30 #define SIGKILL 9 31 #define SIGUSR1 10 32 #define SIGSEGV 11 33 #define SIGUSR2 12 34 #define SIGPIPE 13 35 #define SIGALRM 14 36 #define SIGTERM 15 37 #define SIGSTKFLT 16 38 #define SIGCHLD 17 39 #define SIGCONT 18 40 #define SIGSTOP 19 41 #define SIGTSTP 20 42 #define SIGTTIN 21 43 #define SIGTTOU 22 44 #define SIGURG 23 45 #define SIGXCPU 24 46 #define SIGXFSZ 25 47 #define SIGVTALRM 26 48 #define SIGPROF 27 49 #define SIGWINCH 28 50 #define SIGIO 29 51 #define SIGPOLL SIGIO 52 /* 53 #define SIGLOST 29 54 */ 55 #define SIGPWR 30 56 #define SIGSYS 31 57 #define SIGUNUSED 31 58 59 /* These should not be considered constants from userland. */ 60 #define SIGRTMIN 32 61 #define SIGRTMAX _NSIG 62 63 #define SA_RESTORER 0x04000000U 64 65 #define MINSIGSTKSZ 2048 66 #define SIGSTKSZ 8192 67 68 #include <asm-generic/signal-defs.h> 69 70 #ifndef __KERNEL__ 71 struct old_sigaction { 72 __sighandler_t sa_handler; 73 old_sigset_t sa_mask; 74 unsigned long sa_flags; 75 __sigrestore_t sa_restorer; 76 }; 77 78 struct sigaction { 79 __sighandler_t sa_handler; 80 unsigned long sa_flags; 81 __sigrestore_t sa_restorer; 82 sigset_t sa_mask; /* mask last for extensibility */ 83 }; 84 #endif 85 86 typedef struct sigaltstack { 87 void __user *ss_sp; 88 int ss_flags; 89 __kernel_size_t ss_size; 90 } stack_t; 91 92 93 #ifndef __powerpc64__ 94 /* 95 * These are parameters to dbg_sigreturn syscall. They enable or 96 * disable certain debugging things that can be done from signal 97 * handlers. The dbg_sigreturn syscall *must* be called from a 98 * SA_SIGINFO signal so the ucontext can be passed to it. It takes an 99 * array of struct sig_dbg_op, which has the debug operations to 100 * perform before returning from the signal. 101 */ 102 struct sig_dbg_op { 103 int dbg_type; 104 unsigned long dbg_value; 105 }; 106 107 /* Enable or disable single-stepping. The value sets the state. */ 108 #define SIG_DBG_SINGLE_STEPPING 1 109 110 /* Enable or disable branch tracing. The value sets the state. */ 111 #define SIG_DBG_BRANCH_TRACING 2 112 #endif /* ! __powerpc64__ */ 113 114 #endif /* _UAPI_ASM_POWERPC_SIGNAL_H */ 115