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@@ -1,8 +1,210 @@
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-#ifndef ___ASM_SPARC_SIGNAL_H
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-#define ___ASM_SPARC_SIGNAL_H
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-#if defined(__sparc__) && defined(__arch64__)
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-#include <asm/signal_64.h>
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+#ifndef __SPARC_SIGNAL_H
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+#define __SPARC_SIGNAL_H
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+
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+#include <asm/sigcontext.h>
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+#include <linux/compiler.h>
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+
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+#ifdef __KERNEL__
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+#ifndef __ASSEMBLY__
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+#include <linux/personality.h>
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+#include <linux/types.h>
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+#endif
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+#endif
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+
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+/* On the Sparc the signal handlers get passed a 'sub-signal' code
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+ * for certain signal types, which we document here.
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+ */
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+#define SIGHUP 1
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+#define SIGINT 2
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+#define SIGQUIT 3
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+#define SIGILL 4
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+#define SUBSIG_STACK 0
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+#define SUBSIG_ILLINST 2
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+#define SUBSIG_PRIVINST 3
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+#define SUBSIG_BADTRAP(t) (0x80 + (t))
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+
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+#define SIGTRAP 5
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+#define SIGABRT 6
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+#define SIGIOT 6
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+
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+#define SIGEMT 7
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+#define SUBSIG_TAG 10
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+
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+#define SIGFPE 8
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+#define SUBSIG_FPDISABLED 0x400
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+#define SUBSIG_FPERROR 0x404
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+#define SUBSIG_FPINTOVFL 0x001
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+#define SUBSIG_FPSTSIG 0x002
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+#define SUBSIG_IDIVZERO 0x014
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+#define SUBSIG_FPINEXACT 0x0c4
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+#define SUBSIG_FPDIVZERO 0x0c8
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+#define SUBSIG_FPUNFLOW 0x0cc
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+#define SUBSIG_FPOPERROR 0x0d0
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+#define SUBSIG_FPOVFLOW 0x0d4
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+
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+#define SIGKILL 9
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+#define SIGBUS 10
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+#define SUBSIG_BUSTIMEOUT 1
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+#define SUBSIG_ALIGNMENT 2
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+#define SUBSIG_MISCERROR 5
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+
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+#define SIGSEGV 11
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+#define SUBSIG_NOMAPPING 3
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+#define SUBSIG_PROTECTION 4
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+#define SUBSIG_SEGERROR 5
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+
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+#define SIGSYS 12
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+
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+#define SIGPIPE 13
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+#define SIGALRM 14
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+#define SIGTERM 15
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+#define SIGURG 16
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+
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+/* SunOS values which deviate from the Linux/i386 ones */
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+#define SIGSTOP 17
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+#define SIGTSTP 18
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+#define SIGCONT 19
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+#define SIGCHLD 20
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+#define SIGTTIN 21
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+#define SIGTTOU 22
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+#define SIGIO 23
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+#define SIGPOLL SIGIO /* SysV name for SIGIO */
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+#define SIGXCPU 24
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+#define SIGXFSZ 25
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+#define SIGVTALRM 26
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+#define SIGPROF 27
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+#define SIGWINCH 28
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+#define SIGLOST 29
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+#define SIGPWR SIGLOST
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+#define SIGUSR1 30
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+#define SIGUSR2 31
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+
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+/* Most things should be clean enough to redefine this at will, if care
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+ is taken to make libc match. */
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+
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+#define __OLD_NSIG 32
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+#define __NEW_NSIG 64
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+#define _NSIG_BPW 64
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+#define _NSIG_WORDS (__NEW_NSIG / _NSIG_BPW)
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+
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+#define SIGRTMIN 32
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+#define SIGRTMAX __NEW_NSIG
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+
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+#if defined(__KERNEL__) || defined(__WANT_POSIX1B_SIGNALS__)
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+#define _NSIG __NEW_NSIG
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+#define __new_sigset_t sigset_t
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+#define __new_sigaction sigaction
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+#define __new_sigaction32 sigaction32
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+#define __old_sigset_t old_sigset_t
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+#define __old_sigaction old_sigaction
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+#define __old_sigaction32 old_sigaction32
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#else
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-#include <asm/signal_32.h>
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+#define _NSIG __OLD_NSIG
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+#define NSIG _NSIG
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+#define __old_sigset_t sigset_t
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+#define __old_sigaction sigaction
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+#define __old_sigaction32 sigaction32
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#endif
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+
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+#ifndef __ASSEMBLY__
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+
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+typedef unsigned long __old_sigset_t; /* at least 32 bits */
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+
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+typedef struct {
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+ unsigned long sig[_NSIG_WORDS];
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+} __new_sigset_t;
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+
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+/* A SunOS sigstack */
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+struct sigstack {
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+ /* XXX 32-bit pointers pinhead XXX */
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+ char *the_stack;
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+ int cur_status;
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+};
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+
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+/* Sigvec flags */
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+#define _SV_SSTACK 1u /* This signal handler should use sig-stack */
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+#define _SV_INTR 2u /* Sig return should not restart system call */
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+#define _SV_RESET 4u /* Set handler to SIG_DFL upon taken signal */
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+#define _SV_IGNCHILD 8u /* Do not send SIGCHLD */
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+
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+/*
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+ * sa_flags values: SA_STACK is not currently supported, but will allow the
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+ * usage of signal stacks by using the (now obsolete) sa_restorer field in
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+ * the sigaction structure as a stack pointer. This is now possible due to
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+ * the changes in signal handling. LBT 010493.
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+ * SA_RESTART flag to get restarting signals (which were the default long ago)
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+ */
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+#define SA_NOCLDSTOP _SV_IGNCHILD
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+#define SA_STACK _SV_SSTACK
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+#define SA_ONSTACK _SV_SSTACK
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+#define SA_RESTART _SV_INTR
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+#define SA_ONESHOT _SV_RESET
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+#define SA_NOMASK 0x20u
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+#define SA_NOCLDWAIT 0x100u
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+#define SA_SIGINFO 0x200u
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+
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+
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+#define SIG_BLOCK 0x01 /* for blocking signals */
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+#define SIG_UNBLOCK 0x02 /* for unblocking signals */
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+#define SIG_SETMASK 0x04 /* for setting the signal mask */
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+
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+/*
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+ * sigaltstack controls
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+ */
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+#define SS_ONSTACK 1
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+#define SS_DISABLE 2
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+
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+#define MINSIGSTKSZ 4096
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+#define SIGSTKSZ 16384
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+
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+#ifdef __KERNEL__
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+/*
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+ * DJHR
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+ * SA_STATIC_ALLOC is used for the sparc32 system to indicate that this
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+ * interrupt handler's irq structure should be statically allocated
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+ * by the request_irq routine.
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+ * The alternative is that arch/sparc/kernel/irq.c has carnal knowledge
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+ * of interrupt usage and that sucks. Also without a flag like this
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+ * it may be possible for the free_irq routine to attempt to free
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+ * statically allocated data.. which is NOT GOOD.
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+ *
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+ */
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+#define SA_STATIC_ALLOC 0x8000
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#endif
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+
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+#include <asm-generic/signal.h>
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+
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+struct __new_sigaction {
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+ __sighandler_t sa_handler;
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+ unsigned long sa_flags;
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+ __sigrestore_t sa_restorer; /* not used by Linux/SPARC yet */
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+ __new_sigset_t sa_mask;
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+};
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+
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+struct __old_sigaction {
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+ __sighandler_t sa_handler;
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+ __old_sigset_t sa_mask;
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+ unsigned long sa_flags;
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+ void (*sa_restorer)(void); /* not used by Linux/SPARC yet */
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+};
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+
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+typedef struct sigaltstack {
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+ void __user *ss_sp;
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+ int ss_flags;
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+ size_t ss_size;
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+} stack_t;
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+
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+#ifdef __KERNEL__
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+
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+struct k_sigaction {
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+ struct __new_sigaction sa;
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+ void __user *ka_restorer;
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+};
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+
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+#define ptrace_signal_deliver(regs, cookie) do { } while (0)
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+
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+#endif /* !(__KERNEL__) */
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+
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+#endif /* !(__ASSEMBLY__) */
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+
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+#endif /* !(__SPARC_SIGNAL_H) */
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Sam Ravnborg