arch/sparc/include/asm/signal_64.h

   1 #ifndef _ASMSPARC64_SIGNAL_H
   2 #define _ASMSPARC64_SIGNAL_H
   3
   4 #include <asm/sigcontext.h>
   5
   6 #ifdef __KERNEL__
   7 #ifndef __ASSEMBLY__
   8 #include <linux/personality.h>
   9 #include <linux/types.h>
  10 #endif
  11 #endif
  12
  13 /* On the Sparc the signal handlers get passed a 'sub-signal' code
  14  * for certain signal types, which we document here.
  15  */
  16 #define SIGHUP           1
  17 #define SIGINT           2
  18 #define SIGQUIT          3
  19 #define SIGILL           4
  20 #define    SUBSIG_STACK       0
  21 #define    SUBSIG_ILLINST     2
  22 #define    SUBSIG_PRIVINST    3
  23 #define    SUBSIG_BADTRAP(t)  (0x80 + (t))
  24
  25 #define SIGTRAP          5
  26 #define SIGABRT          6
  27 #define SIGIOT           6
  28
  29 #define SIGEMT           7
  30 #define    SUBSIG_TAG    10
  31
  32 #define SIGFPE           8
  33 #define    SUBSIG_FPDISABLED     0x400
  34 #define    SUBSIG_FPERROR        0x404
  35 #define    SUBSIG_FPINTOVFL      0x001
  36 #define    SUBSIG_FPSTSIG        0x002
  37 #define    SUBSIG_IDIVZERO       0x014
  38 #define    SUBSIG_FPINEXACT      0x0c4
  39 #define    SUBSIG_FPDIVZERO      0x0c8
  40 #define    SUBSIG_FPUNFLOW       0x0cc
  41 #define    SUBSIG_FPOPERROR      0x0d0
  42 #define    SUBSIG_FPOVFLOW       0x0d4
  43
  44 #define SIGKILL          9
  45 #define SIGBUS          10
  46 #define    SUBSIG_BUSTIMEOUT    1
  47 #define    SUBSIG_ALIGNMENT     2
  48 #define    SUBSIG_MISCERROR     5
  49
  50 #define SIGSEGV         11
  51 #define    SUBSIG_NOMAPPING     3
  52 #define    SUBSIG_PROTECTION    4
  53 #define    SUBSIG_SEGERROR      5
  54
  55 #define SIGSYS          12
  56
  57 #define SIGPIPE         13
  58 #define SIGALRM         14
  59 #define SIGTERM         15
  60 #define SIGURG          16
  61
  62 /* SunOS values which deviate from the Linux/i386 ones */
  63 #define SIGSTOP         17
  64 #define SIGTSTP         18
  65 #define SIGCONT         19
  66 #define SIGCHLD         20
  67 #define SIGTTIN         21
  68 #define SIGTTOU         22
  69 #define SIGIO           23
  70 #define SIGPOLL         SIGIO   /* SysV name for SIGIO */
  71 #define SIGXCPU         24
  72 #define SIGXFSZ         25
  73 #define SIGVTALRM       26
  74 #define SIGPROF         27
  75 #define SIGWINCH        28
  76 #define SIGLOST         29
  77 #define SIGPWR          SIGLOST
  78 #define SIGUSR1         30
  79 #define SIGUSR2         31
  80
  81 /* Most things should be clean enough to redefine this at will, if care
  82    is taken to make libc match.  */
  83
  84 #define __OLD_NSIG      32
  85 #define __NEW_NSIG      64
  86 #define _NSIG_BPW       64
  87 #define _NSIG_WORDS     (__NEW_NSIG / _NSIG_BPW)
  88
  89 #define SIGRTMIN       32
  90 #define SIGRTMAX       __NEW_NSIG
  91
  92 #if defined(__KERNEL__) || defined(__WANT_POSIX1B_SIGNALS__)
  93 #define _NSIG                   __NEW_NSIG
  94 #define __new_sigset_t          sigset_t
  95 #define __new_sigaction         sigaction
  96 #define __new_sigaction32       sigaction32
  97 #define __old_sigset_t          old_sigset_t
  98 #define __old_sigaction         old_sigaction
  99 #define __old_sigaction32       old_sigaction32
 100 #else
 101 #define _NSIG                   __OLD_NSIG
 102 #define NSIG                    _NSIG
 103 #define __old_sigset_t          sigset_t
 104 #define __old_sigaction         sigaction
 105 #define __old_sigaction32       sigaction32
 106 #endif
 107
 108 #ifndef __ASSEMBLY__
 109
 110 typedef unsigned long __old_sigset_t;            /* at least 32 bits */
 111
 112 typedef struct {
 113        unsigned long sig[_NSIG_WORDS];
 114 } __new_sigset_t;
 115
 116 /* A SunOS sigstack */
 117 struct sigstack {
 118         /* XXX 32-bit pointers pinhead XXX */
 119         char *the_stack;
 120         int   cur_status;
 121 };
 122
 123 /* Sigvec flags */
 124 #define _SV_SSTACK    1u    /* This signal handler should use sig-stack */
 125 #define _SV_INTR      2u    /* Sig return should not restart system call */
 126 #define _SV_RESET     4u    /* Set handler to SIG_DFL upon taken signal */
 127 #define _SV_IGNCHILD  8u    /* Do not send SIGCHLD */
 128
 129 /*
 130  * sa_flags values: SA_STACK is not currently supported, but will allow the
 131  * usage of signal stacks by using the (now obsolete) sa_restorer field in
 132  * the sigaction structure as a stack pointer. This is now possible due to
 133  * the changes in signal handling. LBT 010493.
 134  * SA_RESTART flag to get restarting signals (which were the default long ago)
 135  */
 136 #define SA_NOCLDSTOP    _SV_IGNCHILD
 137 #define SA_STACK        _SV_SSTACK
 138 #define SA_ONSTACK      _SV_SSTACK
 139 #define SA_RESTART      _SV_INTR
 140 #define SA_ONESHOT      _SV_RESET
 141 #define SA_NOMASK       0x20u
 142 #define SA_NOCLDWAIT    0x100u
 143 #define SA_SIGINFO      0x200u
 144
 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 /*
 151  * sigaltstack controls
 152  */
 153 #define SS_ONSTACK      1
 154 #define SS_DISABLE      2
 155
 156 #define MINSIGSTKSZ     4096
 157 #define SIGSTKSZ        16384
 158
 159 #include <asm-generic/signal.h>
 160
 161 struct __new_sigaction {
 162         __sighandler_t          sa_handler;
 163         unsigned long           sa_flags;
 164         __sigrestore_t          sa_restorer;  /* not used by Linux/SPARC yet */
 165         __new_sigset_t          sa_mask;
 166 };
 167
 168 struct __old_sigaction {
 169         __sighandler_t          sa_handler;
 170         __old_sigset_t          sa_mask;
 171         unsigned long           sa_flags;
 172         void                    (*sa_restorer)(void);     /* not used by Linux/SPARC yet */
 173 };
 174
 175 typedef struct sigaltstack {
 176         void                    __user *ss_sp;
 177         int                     ss_flags;
 178         size_t                  ss_size;
 179 } stack_t;
 180
 181 #ifdef __KERNEL__
 182
 183 struct k_sigaction {
 184         struct __new_sigaction  sa;
 185         void __user             *ka_restorer;
 186 };
 187
 188 #define ptrace_signal_deliver(regs, cookie) do { } while (0)
 189
 190 #endif /* !(__KERNEL__) */
 191
 192 #endif /* !(__ASSEMBLY__) */
 193
 194 #endif /* !(_ASMSPARC64_SIGNAL_H) */