include/asm-sparc64/signal.h - kernel/msm - Gitiles

 /* $Id: signal.h,v 1.9 1999/09/06 08:22:11 jj Exp $ */
 #ifndef _ASMSPARC64_SIGNAL_H
 #define _ASMSPARC64_SIGNAL_H

 #include <asm/sigcontext.h>

 #ifdef __KERNEL__
 #ifndef __ASSEMBLY__
 #include <linux/config.h>
 #include <linux/personality.h>
 #include <linux/types.h>
 #include <linux/compat.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     	64
 #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 __new_sigaction32	sigaction32
 #define __old_sigset_t		old_sigset_t
 #define __old_sigaction		old_sigaction
 #define __old_sigaction32	old_sigaction32
 #else
 #define _NSIG			__OLD_NSIG
 #define NSIG			_NSIG
 #define __old_sigset_t		sigset_t
 #define __old_sigaction		sigaction
 #define __old_sigaction32	sigaction32
 #endif

 #ifndef __ASSEMBLY__

 typedef unsigned long __old_sigset_t;            /* at least 32 bits */

 typedef struct {
        unsigned long sig[_NSIG_WORDS];
 } __new_sigset_t;

 /* A SunOS sigstack */
 struct sigstack {
 	/* XXX 32-bit pointers pinhead XXX */
 	char *the_stack;
 	int   cur_status;
 };

 /* 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 __signalfn_t(int);
 typedef __signalfn_t __user *__sighandler_t;

 typedef void __restorefn_t(void);
 typedef __restorefn_t __user *__sigrestore_t;
 #else
 typedef void (*__sighandler_t)(int);
 typedef void (*__sigrestore_t)(void);
 #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 */

 struct __new_sigaction {
 	__sighandler_t		sa_handler;
 	unsigned long		sa_flags;
 	__sigrestore_t 		sa_restorer;  /* not used by Linux/SPARC yet */
 	__new_sigset_t		sa_mask;
 };

 #ifdef __KERNEL__

 #ifdef CONFIG_COMPAT
 struct __new_sigaction32 {
 	unsigned		sa_handler;
 	unsigned int    	sa_flags;
 	unsigned		sa_restorer;     /* not used by Linux/SPARC yet */
 	compat_sigset_t 	sa_mask;
 };
 #endif

 struct k_sigaction {
 	struct __new_sigaction 	sa;
 	void __user		*ka_restorer;
 };
 #endif

 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 yet */
 };

 #ifdef __KERNEL__

 #ifdef CONFIG_COMPAT
 struct __old_sigaction32 {
 	unsigned		sa_handler;
 	compat_old_sigset_t  	sa_mask;
 	unsigned int    	sa_flags;
 	unsigned		sa_restorer;     /* not used by Linux/SPARC yet */
 };
 #endif

 #endif

 typedef struct sigaltstack {
 	void			__user *ss_sp;
 	int			ss_flags;
 	size_t			ss_size;
 } stack_t;

 #ifdef __KERNEL__

 #ifdef CONFIG_COMPAT
 typedef struct sigaltstack32 {
 	u32			ss_sp;
 	int			ss_flags;
 	compat_size_t		ss_size;
 } stack_t32;
 #endif

 struct signal_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 /* !(_ASMSPARC64_SIGNAL_H) */
	/* $Id: signal.h,v 1.9 1999/09/06 08:22:11 jj Exp $ */
	#ifndef _ASMSPARC64_SIGNAL_H
	#define _ASMSPARC64_SIGNAL_H

	#include <asm/sigcontext.h>

	#ifdef __KERNEL__
	#ifndef __ASSEMBLY__
	#include <linux/config.h>
	#include <linux/personality.h>
	#include <linux/types.h>
	#include <linux/compat.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 64
	#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 __new_sigaction32 sigaction32
	#define __old_sigset_t old_sigset_t
	#define __old_sigaction old_sigaction
	#define __old_sigaction32 old_sigaction32
	#else
	#define _NSIG __OLD_NSIG
	#define NSIG _NSIG
	#define __old_sigset_t sigset_t
	#define __old_sigaction sigaction
	#define __old_sigaction32 sigaction32
	#endif

	#ifndef __ASSEMBLY__

	typedef unsigned long __old_sigset_t; /* at least 32 bits */

	typedef struct {
	unsigned long sig[_NSIG_WORDS];
	} __new_sigset_t;

	/* A SunOS sigstack */
	struct sigstack {
	/* XXX 32-bit pointers pinhead XXX */
	char *the_stack;
	int cur_status;
	};

	/* 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 __signalfn_t(int);
	typedef __signalfn_t __user *__sighandler_t;

	typedef void __restorefn_t(void);
	typedef __restorefn_t __user *__sigrestore_t;
	#else
	typedef void (*__sighandler_t)(int);
	typedef void (*__sigrestore_t)(void);
	#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 */

	struct __new_sigaction {
	__sighandler_t sa_handler;
	unsigned long sa_flags;
	__sigrestore_t sa_restorer; /* not used by Linux/SPARC yet */
	__new_sigset_t sa_mask;
	};

	#ifdef __KERNEL__

	#ifdef CONFIG_COMPAT
	struct __new_sigaction32 {
	unsigned sa_handler;
	unsigned int sa_flags;
	unsigned sa_restorer; /* not used by Linux/SPARC yet */
	compat_sigset_t sa_mask;
	};
	#endif

	struct k_sigaction {
	struct __new_sigaction sa;
	void __user *ka_restorer;
	};
	#endif

	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 yet */
	};

	#ifdef __KERNEL__

	#ifdef CONFIG_COMPAT
	struct __old_sigaction32 {
	unsigned sa_handler;
	compat_old_sigset_t sa_mask;
	unsigned int sa_flags;
	unsigned sa_restorer; /* not used by Linux/SPARC yet */
	};
	#endif

	#endif

	typedef struct sigaltstack {
	void __user *ss_sp;
	int ss_flags;
	size_t ss_size;
	} stack_t;

	#ifdef __KERNEL__

	#ifdef CONFIG_COMPAT
	typedef struct sigaltstack32 {
	u32 ss_sp;
	int ss_flags;
	compat_size_t ss_size;
	} stack_t32;
	#endif

	struct signal_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 /* !(_ASMSPARC64_SIGNAL_H) */