29ed46015d
It alises IRQF_SHARED which causes all kinds of problems. Signed-off-by: David S. Miller <davem@davemloft.net>
215 lines
5.2 KiB
C
215 lines
5.2 KiB
C
/* $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_RESTART flag to get restarting signals (which were the default long ago)
|
|
*/
|
|
#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_NOMASK 0x20u
|
|
#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__
|
|
/*
|
|
* 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_STATIC_ALLOC 0x8000
|
|
#endif
|
|
|
|
#include <asm-generic/signal.h>
|
|
|
|
#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) */
|