arch/sparc/include/uapi/asm/signal.h

   1 #ifndef _UAPI__SPARC_SIGNAL_H
   2 #define _UAPI__SPARC_SIGNAL_H
   3
   4 #include <asm/sigcontext.h>
   5 #include <linux/compiler.h>
   6
   7
   8 /* On the Sparc the signal handlers get passed a 'sub-signal' code
   9  * for certain signal types, which we document here.
  10  */
  11 #define SIGHUP           1
  12 #define SIGINT           2
  13 #define SIGQUIT          3
  14 #define SIGILL           4
  15 #define    SUBSIG_STACK       0
  16 #define    SUBSIG_ILLINST     2
  17 #define    SUBSIG_PRIVINST    3
  18 #define    SUBSIG_BADTRAP(t)  (0x80 + (t))
  19
  20 #define SIGTRAP          5
  21 #define SIGABRT          6
  22 #define SIGIOT           6
  23
  24 #define SIGEMT           7
  25 #define    SUBSIG_TAG    10
  26
  27 #define SIGFPE           8
  28 #define    SUBSIG_FPDISABLED     0x400
  29 #define    SUBSIG_FPERROR        0x404
  30 #define    SUBSIG_FPINTOVFL      0x001
  31 #define    SUBSIG_FPSTSIG        0x002
  32 #define    SUBSIG_IDIVZERO       0x014
  33 #define    SUBSIG_FPINEXACT      0x0c4
  34 #define    SUBSIG_FPDIVZERO      0x0c8
  35 #define    SUBSIG_FPUNFLOW       0x0cc
  36 #define    SUBSIG_FPOPERROR      0x0d0
  37 #define    SUBSIG_FPOVFLOW       0x0d4
  38
  39 #define SIGKILL          9
  40 #define SIGBUS          10
  41 #define    SUBSIG_BUSTIMEOUT    1
  42 #define    SUBSIG_ALIGNMENT     2
  43 #define    SUBSIG_MISCERROR     5
  44
  45 #define SIGSEGV         11
  46 #define    SUBSIG_NOMAPPING     3
  47 #define    SUBSIG_PROTECTION    4
  48 #define    SUBSIG_SEGERROR      5
  49
  50 #define SIGSYS          12
  51
  52 #define SIGPIPE         13
  53 #define SIGALRM         14
  54 #define SIGTERM         15
  55 #define SIGURG          16
  56
  57 /* SunOS values which deviate from the Linux/i386 ones */
  58 #define SIGSTOP         17
  59 #define SIGTSTP         18
  60 #define SIGCONT         19
  61 #define SIGCHLD         20
  62 #define SIGTTIN         21
  63 #define SIGTTOU         22
  64 #define SIGIO           23
  65 #define SIGPOLL         SIGIO   /* SysV name for SIGIO */
  66 #define SIGXCPU         24
  67 #define SIGXFSZ         25
  68 #define SIGVTALRM       26
  69 #define SIGPROF         27
  70 #define SIGWINCH        28
  71 #define SIGLOST         29
  72 #define SIGPWR          SIGLOST
  73 #define SIGUSR1         30
  74 #define SIGUSR2         31
  75
  76 /* Most things should be clean enough to redefine this at will, if care
  77    is taken to make libc match.  */
  78
  79 #define __OLD_NSIG      32
  80 #define __NEW_NSIG      64
  81 #ifdef __arch64__
  82 #define _NSIG_BPW       64
  83 #else
  84 #define _NSIG_BPW       32
  85 #endif
  86 #define _NSIG_WORDS     (__NEW_NSIG / _NSIG_BPW)
  87
  88 #define SIGRTMIN       32
  89 #define SIGRTMAX       __NEW_NSIG
  90
  91 #if defined(__KERNEL__) || defined(__WANT_POSIX1B_SIGNALS__)
  92 #define _NSIG                   __NEW_NSIG
  93 #define __new_sigset_t          sigset_t
  94 #define __new_sigaction         sigaction
  95 #define __new_sigaction32       sigaction32
  96 #define __old_sigset_t          old_sigset_t
  97 #define __old_sigaction         old_sigaction
  98 #define __old_sigaction32       old_sigaction32
  99 #else
 100 #define _NSIG                   __OLD_NSIG
 101 #define NSIG                    _NSIG
 102 #define __old_sigset_t          sigset_t
 103 #define __old_sigaction         sigaction
 104 #define __old_sigaction32       sigaction32
 105 #endif
 106
 107 #ifndef __ASSEMBLY__
 108
 109 typedef unsigned long __old_sigset_t;            /* at least 32 bits */
 110
 111 typedef struct {
 112        unsigned long sig[_NSIG_WORDS];
 113 } __new_sigset_t;
 114
 115 /* A SunOS sigstack */
 116 struct sigstack {
 117         /* XXX 32-bit pointers pinhead XXX */
 118         char *the_stack;
 119         int   cur_status;
 120 };
 121
 122 /* Sigvec flags */
 123 #define _SV_SSTACK    1u    /* This signal handler should use sig-stack */
 124 #define _SV_INTR      2u    /* Sig return should not restart system call */
 125 #define _SV_RESET     4u    /* Set handler to SIG_DFL upon taken signal */
 126 #define _SV_IGNCHILD  8u    /* Do not send SIGCHLD */
 127
 128 /*
 129  * sa_flags values: SA_STACK is not currently supported, but will allow the
 130  * usage of signal stacks by using the (now obsolete) sa_restorer field in
 131  * the sigaction structure as a stack pointer. This is now possible due to
 132  * the changes in signal handling. LBT 010493.
 133  * SA_RESTART flag to get restarting signals (which were the default long ago)
 134  */
 135 #define SA_NOCLDSTOP    _SV_IGNCHILD
 136 #define SA_STACK        _SV_SSTACK
 137 #define SA_ONSTACK      _SV_SSTACK
 138 #define SA_RESTART      _SV_INTR
 139 #define SA_ONESHOT      _SV_RESET
 140 #define SA_NODEFER      0x20u
 141 #define SA_NOCLDWAIT    0x100u
 142 #define SA_SIGINFO      0x200u
 143
 144 #define SA_NOMASK       SA_NODEFER
 145
 146 #define SIG_BLOCK          0x01 /* for blocking signals */
 147 #define SIG_UNBLOCK        0x02 /* for unblocking signals */
 148 #define SIG_SETMASK        0x04 /* for setting the signal mask */
 149
 150 #define MINSIGSTKSZ     4096
 151 #define SIGSTKSZ        16384
 152
 153
 154 #include <asm-generic/signal-defs.h>
 155
 156 #ifndef __KERNEL__
 157 struct __new_sigaction {
 158         __sighandler_t          sa_handler;
 159         unsigned long           sa_flags;
 160         __sigrestore_t          sa_restorer;  /* not used by Linux/SPARC yet */
 161         __new_sigset_t          sa_mask;
 162 };
 163
 164 struct __old_sigaction {
 165         __sighandler_t          sa_handler;
 166         __old_sigset_t          sa_mask;
 167         unsigned long           sa_flags;
 168         void                    (*sa_restorer)(void);  /* not used by Linux/SPARC yet */
 169 };
 170 #endif
 171
 172 typedef struct sigaltstack {
 173         void                    __user *ss_sp;
 174         int                     ss_flags;
 175         size_t                  ss_size;
 176 } stack_t;
 177
 178
 179 #endif /* !(__ASSEMBLY__) */
 180
 181 #endif /* _UAPI__SPARC_SIGNAL_H */