LXR linux/arch/powerpc/include/uapi/asm/signal.h

   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#define MINSIGSTKSZ     2048
  66#define SIGSTKSZ        8192
  67
  68#include <asm-generic/signal-defs.h>
  69
  70#ifndef __KERNEL__
  71struct 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
  78struct 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
  86typedef struct sigaltstack {
  87        void __user *ss_sp;
  88        int ss_flags;
  89        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 */
 102struct 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