1 files changed, 234 insertions, 0 deletions

diff --git a/include/asm-sparc/signal.h b/include/asm-sparc/signal.h
new file mode 100644
index 000000000000..d8211cb6e6b4
--- /dev/null
+++ b/include/asm-sparc/signal.h
@@ -0,0 +1,234 @@
+/* $Id: signal.h,v 1.35 1999/09/06 08:22:04 jj Exp $ */
+#ifndef _ASMSPARC_SIGNAL_H
+#define _ASMSPARC_SIGNAL_H
+
+#include <asm/sigcontext.h>
+#include <linux/compiler.h>
+
+#ifdef __KERNEL__
+#ifndef __ASSEMBLY__
+#include <linux/personality.h>
+#include <linux/types.h>
+#endif
+#endif
+
+/* On the Sparc the signal handlers get passed a 'sub-signal' code
+ * for certain signal types, which we document here.
+ */
+#define SIGHUP           1
+#define SIGINT           2
+#define SIGQUIT          3
+#define SIGILL           4
+#define    SUBSIG_STACK       0
+#define    SUBSIG_ILLINST     2
+#define    SUBSIG_PRIVINST    3
+#define    SUBSIG_BADTRAP(t)  (0x80 + (t))
+
+#define SIGTRAP          5
+#define SIGABRT          6
+#define SIGIOT           6
+
+#define SIGEMT           7
+#define    SUBSIG_TAG    10
+
+#define SIGFPE           8
+#define    SUBSIG_FPDISABLED     0x400
+#define    SUBSIG_FPERROR        0x404
+#define    SUBSIG_FPINTOVFL      0x001
+#define    SUBSIG_FPSTSIG        0x002
+#define    SUBSIG_IDIVZERO       0x014
+#define    SUBSIG_FPINEXACT      0x0c4
+#define    SUBSIG_FPDIVZERO      0x0c8
+#define    SUBSIG_FPUNFLOW       0x0cc
+#define    SUBSIG_FPOPERROR      0x0d0
+#define    SUBSIG_FPOVFLOW       0x0d4
+
+#define SIGKILL          9
+#define SIGBUS          10
+#define    SUBSIG_BUSTIMEOUT    1
+#define    SUBSIG_ALIGNMENT     2
+#define    SUBSIG_MISCERROR     5
+
+#define SIGSEGV         11
+#define    SUBSIG_NOMAPPING     3
+#define    SUBSIG_PROTECTION    4
+#define    SUBSIG_SEGERROR      5
+
+#define SIGSYS          12
+
+#define SIGPIPE         13
+#define SIGALRM         14
+#define SIGTERM         15
+#define SIGURG          16
+
+/* SunOS values which deviate from the Linux/i386 ones */
+#define SIGSTOP         17
+#define SIGTSTP         18
+#define SIGCONT         19
+#define SIGCHLD         20
+#define SIGTTIN         21
+#define SIGTTOU         22
+#define SIGIO           23
+#define SIGPOLL         SIGIO   /* SysV name for SIGIO */
+#define SIGXCPU         24
+#define SIGXFSZ         25
+#define SIGVTALRM       26
+#define SIGPROF         27
+#define SIGWINCH        28
+#define SIGLOST         29
+#define SIGPWR          SIGLOST
+#define SIGUSR1         30
+#define SIGUSR2         31
+
+/* Most things should be clean enough to redefine this at will, if care
+ * is taken to make libc match.
+ */
+
+#define __OLD_NSIG      32
+#define __NEW_NSIG      64
+#define _NSIG_BPW       32
+#define _NSIG_WORDS     (__NEW_NSIG / _NSIG_BPW)
+
+#define SIGRTMIN        32
+#define SIGRTMAX        __NEW_NSIG
+
+#if defined(__KERNEL__) || defined(__WANT_POSIX1B_SIGNALS__)
+#define _NSIG           __NEW_NSIG
+#define __new_sigset_t  sigset_t
+#define __new_sigaction sigaction
+#define __old_sigset_t  old_sigset_t
+#define __old_sigaction old_sigaction
+#else
+#define _NSIG           __OLD_NSIG
+#define __old_sigset_t  sigset_t
+#define __old_sigaction sigaction
+#endif
+
+#ifndef __ASSEMBLY__
+
+typedef unsigned long __old_sigset_t;
+
+typedef struct {
+        unsigned long   sig[_NSIG_WORDS];
+} __new_sigset_t;
+
+
+#ifdef __KERNEL__
+/* A SunOS sigstack */
+struct sigstack {
+        char *the_stack;
+        int   cur_status;
+};
+#endif
+
+/* Sigvec flags */
+#define _SV_SSTACK    1u    /* This signal handler should use sig-stack */
+#define _SV_INTR      2u    /* Sig return should not restart system call */
+#define _SV_RESET     4u    /* Set handler to SIG_DFL upon taken signal */
+#define _SV_IGNCHILD  8u    /* Do not send SIGCHLD */
+
+/*
+ * sa_flags values: SA_STACK is not currently supported, but will allow the
+ * usage of signal stacks by using the (now obsolete) sa_restorer field in
+ * the sigaction structure as a stack pointer. This is now possible due to
+ * the changes in signal handling. LBT 010493.
+ * SA_INTERRUPT is a no-op, but left due to historical reasons. Use the
+ * SA_RESTART flag to get restarting signals (which were the default long ago)
+ * SA_SHIRQ flag is for shared interrupt support on PCI and EISA.
+ */
+#define SA_NOCLDSTOP    _SV_IGNCHILD
+#define SA_STACK        _SV_SSTACK
+#define SA_ONSTACK      _SV_SSTACK
+#define SA_RESTART      _SV_INTR
+#define SA_ONESHOT      _SV_RESET
+#define SA_INTERRUPT    0x10u
+#define SA_NOMASK       0x20u
+#define SA_SHIRQ        0x40u
+#define SA_NOCLDWAIT    0x100u
+#define SA_SIGINFO      0x200u
+
+#define SIG_BLOCK          0x01 /* for blocking signals */
+#define SIG_UNBLOCK        0x02 /* for unblocking signals */
+#define SIG_SETMASK        0x04 /* for setting the signal mask */
+
+/* 
+ * sigaltstack controls
+ */
+#define SS_ONSTACK      1
+#define SS_DISABLE      2
+
+#define MINSIGSTKSZ     4096
+#define SIGSTKSZ        16384
+
+#ifdef __KERNEL__
+/*
+ * These values of sa_flags are used only by the kernel as part of the
+ * irq handling routines.
+ *
+ * SA_INTERRUPT is also used by the irq handling routines.
+ *
+ * DJHR
+ * SA_STATIC_ALLOC is used for the SPARC system to indicate that this
+ * interrupt handler's irq structure should be statically allocated
+ * by the request_irq routine.
+ * The alternative is that arch/sparc/kernel/irq.c has carnal knowledge
+ * of interrupt usage and that sucks. Also without a flag like this
+ * it may be possible for the free_irq routine to attempt to free
+ * statically allocated data.. which is NOT GOOD.
+ *
+ */
+#define SA_PROBE SA_ONESHOT
+#define SA_SAMPLE_RANDOM SA_RESTART
+#define SA_STATIC_ALLOC         0x80
+#endif
+
+/* Type of a signal handler.  */
+#ifdef __KERNEL__
+typedef void (*__sighandler_t)(int, int, struct sigcontext *, char *);
+#else
+typedef void (*__sighandler_t)(int);
+#endif
+
+#define SIG_DFL ((__sighandler_t)0)     /* default signal handling */
+#define SIG_IGN ((__sighandler_t)1)     /* ignore signal */
+#define SIG_ERR ((__sighandler_t)-1)    /* error return from signal */
+
+#ifdef __KERNEL__
+struct __new_sigaction {
+        __sighandler_t  sa_handler;
+        unsigned long   sa_flags;
+        void            (*sa_restorer)(void);   /* Not used by Linux/SPARC */
+        __new_sigset_t  sa_mask;
+};
+
+struct k_sigaction {
+        struct __new_sigaction  sa;
+        void                    __user *ka_restorer;
+};
+
+struct __old_sigaction {
+        __sighandler_t  sa_handler;
+        __old_sigset_t  sa_mask;
+        unsigned long   sa_flags;
+        void            (*sa_restorer) (void);  /* not used by Linux/SPARC */
+};
+
+typedef struct sigaltstack {
+        void            __user *ss_sp;
+        int             ss_flags;
+        size_t          ss_size;
+} stack_t;
+
+struct sparc_deliver_cookie {
+        int restart_syscall;
+        unsigned long orig_i0;
+};
+
+struct pt_regs;
+extern void ptrace_signal_deliver(struct pt_regs *regs, void *cookie);
+
+#endif /* !(__KERNEL__) */
+
+#endif /* !(__ASSEMBLY__) */
+
+#endif /* !(_ASMSPARC_SIGNAL_H) */