include/asm-sparc64/signal.h

   1 /* $Id: signal.h,v 1.9 1999/09/06 08:22:11 jj Exp $ */
   2 #ifndef _ASMSPARC64_SIGNAL_H
   3 #define _ASMSPARC64_SIGNAL_H
   4
   5 #include <asm/sigcontext.h>
   6
   7 #ifdef __KERNEL__
   8 #ifndef __ASSEMBLY__
   9 #include <linux/personality.h>
  10 #include <linux/types.h>
  11 #include <linux/compat.h>
  12 #endif
  13 #endif
  14
  15 /* On the Sparc the signal handlers get passed a 'sub-signal' code
  16  * for certain signal types, which we document here.
  17  */
  18 #define SIGHUP           1
  19 #define SIGINT           2
  20 #define SIGQUIT          3
  21 #define SIGILL           4
  22 #define    SUBSIG_STACK       0
  23 #define    SUBSIG_ILLINST     2
  24 #define    SUBSIG_PRIVINST    3
  25 #define    SUBSIG_BADTRAP(t)  (0x80 + (t))
  26
  27 #define SIGTRAP          5
  28 #define SIGABRT          6
  29 #define SIGIOT           6
  30
  31 #define SIGEMT           7
  32 #define    SUBSIG_TAG    10
  33
  34 #define SIGFPE           8
  35 #define    SUBSIG_FPDISABLED     0x400
  36 #define    SUBSIG_FPERROR        0x404
  37 #define    SUBSIG_FPINTOVFL      0x001
  38 #define    SUBSIG_FPSTSIG        0x002
  39 #define    SUBSIG_IDIVZERO       0x014
  40 #define    SUBSIG_FPINEXACT      0x0c4
  41 #define    SUBSIG_FPDIVZERO      0x0c8
  42 #define    SUBSIG_FPUNFLOW       0x0cc
  43 #define    SUBSIG_FPOPERROR      0x0d0
  44 #define    SUBSIG_FPOVFLOW       0x0d4
  45
  46 #define SIGKILL          9
  47 #define SIGBUS          10
  48 #define    SUBSIG_BUSTIMEOUT    1
  49 #define    SUBSIG_ALIGNMENT     2
  50 #define    SUBSIG_MISCERROR     5
  51
  52 #define SIGSEGV         11
  53 #define    SUBSIG_NOMAPPING     3
  54 #define    SUBSIG_PROTECTION    4
  55 #define    SUBSIG_SEGERROR      5
  56
  57 #define SIGSYS          12
  58
  59 #define SIGPIPE         13
  60 #define SIGALRM         14
  61 #define SIGTERM         15
  62 #define SIGURG          16
  63
  64 /* SunOS values which deviate from the Linux/i386 ones */
  65 #define SIGSTOP         17
  66 #define SIGTSTP         18
  67 #define SIGCONT         19
  68 #define SIGCHLD         20
  69 #define SIGTTIN         21
  70 #define SIGTTOU         22
  71 #define SIGIO           23
  72 #define SIGPOLL         SIGIO   /* SysV name for SIGIO */
  73 #define SIGXCPU         24
  74 #define SIGXFSZ         25
  75 #define SIGVTALRM       26
  76 #define SIGPROF         27
  77 #define SIGWINCH        28
  78 #define SIGLOST         29
  79 #define SIGPWR          SIGLOST
  80 #define SIGUSR1         30
  81 #define SIGUSR2         31
  82
  83 /* Most things should be clean enough to redefine this at will, if care
  84    is taken to make libc match.  */
  85
  86 #define __OLD_NSIG      32
  87 #define __NEW_NSIG      64
  88 #define _NSIG_BPW       64
  89 #define _NSIG_WORDS     (__NEW_NSIG / _NSIG_BPW)
  90
  91 #define SIGRTMIN       32
  92 #define SIGRTMAX       __NEW_NSIG
  93
  94 #if defined(__KERNEL__) || defined(__WANT_POSIX1B_SIGNALS__)
  95 #define _NSIG                   __NEW_NSIG
  96 #define __new_sigset_t          sigset_t
  97 #define __new_sigaction         sigaction
  98 #define __new_sigaction32       sigaction32
  99 #define __old_sigset_t          old_sigset_t
 100 #define __old_sigaction         old_sigaction
 101 #define __old_sigaction32       old_sigaction32
 102 #else
 103 #define _NSIG                   __OLD_NSIG
 104 #define NSIG                    _NSIG
 105 #define __old_sigset_t          sigset_t
 106 #define __old_sigaction         sigaction
 107 #define __old_sigaction32       sigaction32
 108 #endif
 109
 110 #ifndef __ASSEMBLY__
 111
 112 typedef unsigned long __old_sigset_t;            /* at least 32 bits */
 113
 114 typedef struct {
 115        unsigned long sig[_NSIG_WORDS];
 116 } __new_sigset_t;
 117
 118 /* A SunOS sigstack */
 119 struct sigstack {
 120         /* XXX 32-bit pointers pinhead XXX */
 121         char *the_stack;
 122         int   cur_status;
 123 };
 124
 125 /* Sigvec flags */
 126 #define _SV_SSTACK    1u    /* This signal handler should use sig-stack */
 127 #define _SV_INTR      2u    /* Sig return should not restart system call */
 128 #define _SV_RESET     4u    /* Set handler to SIG_DFL upon taken signal */
 129 #define _SV_IGNCHILD  8u    /* Do not send SIGCHLD */
 130
 131 /*
 132  * sa_flags values: SA_STACK is not currently supported, but will allow the
 133  * usage of signal stacks by using the (now obsolete) sa_restorer field in
 134  * the sigaction structure as a stack pointer. This is now possible due to
 135  * the changes in signal handling. LBT 010493.
 136  * SA_RESTART flag to get restarting signals (which were the default long ago)
 137  */
 138 #define SA_NOCLDSTOP    _SV_IGNCHILD
 139 #define SA_STACK        _SV_SSTACK
 140 #define SA_ONSTACK      _SV_SSTACK
 141 #define SA_RESTART      _SV_INTR
 142 #define SA_ONESHOT      _SV_RESET
 143 #define SA_NOMASK       0x20u
 144 #define SA_NOCLDWAIT    0x100u
 145 #define SA_SIGINFO      0x200u
 146
 147
 148 #define SIG_BLOCK          0x01 /* for blocking signals */
 149 #define SIG_UNBLOCK        0x02 /* for unblocking signals */
 150 #define SIG_SETMASK        0x04 /* for setting the signal mask */
 151
 152 /*
 153  * sigaltstack controls
 154  */
 155 #define SS_ONSTACK      1
 156 #define SS_DISABLE      2
 157
 158 #define MINSIGSTKSZ     4096
 159 #define SIGSTKSZ        16384
 160
 161 #include <asm-generic/signal.h>
 162
 163 struct __new_sigaction {
 164         __sighandler_t          sa_handler;
 165         unsigned long           sa_flags;
 166         __sigrestore_t          sa_restorer;  /* not used by Linux/SPARC yet */
 167         __new_sigset_t          sa_mask;
 168 };
 169
 170 struct __old_sigaction {
 171         __sighandler_t          sa_handler;
 172         __old_sigset_t          sa_mask;
 173         unsigned long           sa_flags;
 174         void                    (*sa_restorer)(void);     /* not used by Linux/SPARC yet */
 175 };
 176
 177 typedef struct sigaltstack {
 178         void                    __user *ss_sp;
 179         int                     ss_flags;
 180         size_t                  ss_size;
 181 } stack_t;
 182
 183 #ifdef __KERNEL__
 184
 185 struct k_sigaction {
 186         struct __new_sigaction  sa;
 187         void __user             *ka_restorer;
 188 };
 189
 190 struct signal_deliver_cookie {
 191         int restart_syscall;
 192         unsigned long orig_i0;
 193 };
 194
 195 struct pt_regs;
 196 extern void ptrace_signal_deliver(struct pt_regs *regs, void *cookie);
 197
 198 #endif /* !(__KERNEL__) */
 199
 200 #endif /* !(__ASSEMBLY__) */
 201
 202 #endif /* !(_ASMSPARC64_SIGNAL_H) */