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 #ifdef __powerpc64__ 66 #define MINSIGSTKSZ 8192 67 #define SIGSTKSZ 32768 68 #else 69 #define MINSIGSTKSZ 2048 70 #define SIGSTKSZ 8192 71 #endif 72 73 #include <asm-generic/signal-defs.h> 74 75 #ifndef __KERNEL__ 76 struct old_sigaction { 77 __sighandler_t sa_handler; 78 old_sigset_t sa_mask; 79 unsigned long sa_flags; 80 __sigrestore_t sa_restorer; 81 }; 82 83 struct sigaction { 84 __sighandler_t sa_handler; 85 unsigned long sa_flags; 86 __sigrestore_t sa_restorer; 87 sigset_t sa_mask; /* mask last for extensibility */ 88 }; 89 #endif 90 91 typedef struct sigaltstack { 92 void __user *ss_sp; 93 int ss_flags; 94 __kernel_size_t ss_size; 95 } stack_t; 96 97 98 #ifndef __powerpc64__ 99 /* 100 * These are parameters to dbg_sigreturn syscall. They enable or 101 * disable certain debugging things that can be done from signal 102 * handlers. The dbg_sigreturn syscall *must* be called from a 103 * SA_SIGINFO signal so the ucontext can be passed to it. It takes an 104 * array of struct sig_dbg_op, which has the debug operations to 105 * perform before returning from the signal. 106 */ 107 struct sig_dbg_op { 108 int dbg_type; 109 unsigned long dbg_value; 110 }; 111 112 /* Enable or disable single-stepping. The value sets the state. */ 113 #define SIG_DBG_SINGLE_STEPPING 1 114 115 /* Enable or disable branch tracing. The value sets the state. */ 116 #define SIG_DBG_BRANCH_TRACING 2 117 #endif /* ! __powerpc64__ */ 118 119 #endif /* _UAPI_ASM_POWERPC_SIGNAL_H */ 120