signal.h (2595B)
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 15typedef unsigned long old_sigset_t; /* at least 32 bits */ 16 17typedef 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__ 76struct 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 83struct 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 91typedef 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 */ 107struct 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 */