[mirror_ubuntu-bionic-kernel.git] / include / asm-ia64 / siginfo.h

#ifndef _ASM_IA64_SIGINFO_H
#define _ASM_IA64_SIGINFO_H

/*
 * Based on <asm-i386/siginfo.h>.
 *
 * Modified 1998-2002
 *	David Mosberger-Tang <davidm@hpl.hp.com>, Hewlett-Packard Co
 */

#define __ARCH_SI_PREAMBLE_SIZE	(4 * sizeof(int))

#define HAVE_ARCH_SIGINFO_T
#define HAVE_ARCH_COPY_SIGINFO
#define HAVE_ARCH_COPY_SIGINFO_TO_USER

#include <asm-generic/siginfo.h>

typedef struct siginfo {
	int si_signo;
	int si_errno;
	int si_code;
	int __pad0;

	union {
		int _pad[SI_PAD_SIZE];

		/* kill() */
		struct {
			pid_t _pid;		/* sender's pid */
			uid_t _uid;		/* sender's uid */
		} _kill;

		/* POSIX.1b timers */
		struct {
			timer_t _tid;		/* timer id */
			int _overrun;		/* overrun count */
			char _pad[sizeof(__ARCH_SI_UID_T) - sizeof(int)];
			sigval_t _sigval;	/* must overlay ._rt._sigval! */
			int _sys_private;	/* not to be passed to user */
		} _timer;

		/* POSIX.1b signals */
		struct {
			pid_t _pid;		/* sender's pid */
			uid_t _uid;		/* sender's uid */
			sigval_t _sigval;
		} _rt;

		/* SIGCHLD */
		struct {
			pid_t _pid;		/* which child */
			uid_t _uid;		/* sender's uid */
			int _status;		/* exit code */
			clock_t _utime;
			clock_t _stime;
		} _sigchld;

		/* SIGILL, SIGFPE, SIGSEGV, SIGBUS */
		struct {
			void __user *_addr;	/* faulting insn/memory ref. */
			int _imm;		/* immediate value for "break" */
			unsigned int _flags;	/* see below */
			unsigned long _isr;	/* isr */
		} _sigfault;

		/* SIGPOLL */
		struct {
			long _band;	/* POLL_IN, POLL_OUT, POLL_MSG (XPG requires a "long") */
			int _fd;
		} _sigpoll;
	} _sifields;
} siginfo_t;

#define si_imm		_sifields._sigfault._imm	/* as per UNIX SysV ABI spec */
#define si_flags	_sifields._sigfault._flags
/*
 * si_isr is valid for SIGILL, SIGFPE, SIGSEGV, SIGBUS, and SIGTRAP provided that
 * si_code is non-zero and __ISR_VALID is set in si_flags.
 */
#define si_isr		_sifields._sigfault._isr

/*
 * Flag values for si_flags:
 */
#define __ISR_VALID_BIT	0
#define __ISR_VALID	(1 << __ISR_VALID_BIT)

/*
 * SIGILL si_codes
 */
#define ILL_BADIADDR	(__SI_FAULT|9)	/* unimplemented instruction address */
#define __ILL_BREAK	(__SI_FAULT|10)	/* illegal break */
#define __ILL_BNDMOD	(__SI_FAULT|11)	/* bundle-update (modification) in progress */
#undef NSIGILL
#define NSIGILL		11

/*
 * SIGFPE si_codes
 */
#define __FPE_DECOVF	(__SI_FAULT|9)	/* decimal overflow */
#define __FPE_DECDIV	(__SI_FAULT|10)	/* decimal division by zero */
#define __FPE_DECERR	(__SI_FAULT|11)	/* packed decimal error */
#define __FPE_INVASC	(__SI_FAULT|12)	/* invalid ASCII digit */
#define __FPE_INVDEC	(__SI_FAULT|13)	/* invalid decimal digit */
#undef NSIGFPE
#define NSIGFPE		13

/*
 * SIGSEGV si_codes
 */
#define __SEGV_PSTKOVF	(__SI_FAULT|3)	/* paragraph stack overflow */
#undef NSIGSEGV
#define NSIGSEGV	3

/*
 * SIGTRAP si_codes
 */
#define TRAP_BRANCH	(__SI_FAULT|3)	/* process taken branch trap */
#define TRAP_HWBKPT	(__SI_FAULT|4)	/* hardware breakpoint or watchpoint */
#undef NSIGTRAP
#define NSIGTRAP	4

#ifdef __KERNEL__
#include <linux/string.h>

static inline void
copy_siginfo (siginfo_t *to, siginfo_t *from)
{
	if (from->si_code < 0)
		memcpy(to, from, sizeof(siginfo_t));
	else
		/* _sigchld is currently the largest know union member */
		memcpy(to, from, 4*sizeof(int) + sizeof(from->_sifields._sigchld));
}

#endif /* __KERNEL__ */

#endif /* _ASM_IA64_SIGINFO_H */
Commit	Line	Data
1da177e4 LT	1	#ifndef _ASM_IA64_SIGINFO_H
	2	#define _ASM_IA64_SIGINFO_H
	3
	4	/*
	5	* Based on <asm-i386/siginfo.h>.
	6	*
	7	* Modified 1998-2002
	8	* David Mosberger-Tang <davidm@hpl.hp.com>, Hewlett-Packard Co
	9	*/
	10
a71c1ab5	11	#define __ARCH_SI_PREAMBLE_SIZE (4 * sizeof(int))
1da177e4 LT	12
	13	#define HAVE_ARCH_SIGINFO_T
	14	#define HAVE_ARCH_COPY_SIGINFO
	15	#define HAVE_ARCH_COPY_SIGINFO_TO_USER
	16
	17	#include <asm-generic/siginfo.h>
	18
	19	typedef struct siginfo {
	20	int si_signo;
	21	int si_errno;
	22	int si_code;
	23	int __pad0;
	24
	25	union {
	26	int _pad[SI_PAD_SIZE];
	27
	28	/* kill() */
	29	struct {
	30	pid_t _pid; /* sender's pid */
	31	uid_t _uid; /* sender's uid */
	32	} _kill;
	33
	34	/* POSIX.1b timers */
	35	struct {
	36	timer_t _tid; /* timer id */
	37	int _overrun; /* overrun count */
	38	char _pad[sizeof(__ARCH_SI_UID_T) - sizeof(int)];
	39	sigval_t _sigval; /* must overlay ._rt._sigval! */
	40	int _sys_private; /* not to be passed to user */
	41	} _timer;
	42
	43	/* POSIX.1b signals */
	44	struct {
	45	pid_t _pid; /* sender's pid */
	46	uid_t _uid; /* sender's uid */
	47	sigval_t _sigval;
	48	} _rt;
	49
	50	/* SIGCHLD */
	51	struct {
	52	pid_t _pid; /* which child */
	53	uid_t _uid; /* sender's uid */
	54	int _status; /* exit code */
	55	clock_t _utime;
	56	clock_t _stime;
	57	} _sigchld;
	58
	59	/* SIGILL, SIGFPE, SIGSEGV, SIGBUS */
	60	struct {
	61	void __user _addr; / faulting insn/memory ref. */
	62	int _imm; /* immediate value for "break" */
	63	unsigned int _flags; /* see below */
	64	unsigned long _isr; /* isr */
	65	} _sigfault;
	66
	67	/* SIGPOLL */
	68	struct {
	69	long _band; /* POLL_IN, POLL_OUT, POLL_MSG (XPG requires a "long") */
	70	int _fd;
	71	} _sigpoll;
	72	} _sifields;
	73	} siginfo_t;
	74
	75	#define si_imm _sifields._sigfault._imm /* as per UNIX SysV ABI spec */
76	#define si_flags _sifields._sigfault._flags
77	/*
78	* si_isr is valid for SIGILL, SIGFPE, SIGSEGV, SIGBUS, and SIGTRAP provided that
79	* si_code is non-zero and __ISR_VALID is set in si_flags.
80	*/
81	#define si_isr _sifields._sigfault._isr
82
83	/*
84	* Flag values for si_flags:
85	*/
86	#define __ISR_VALID_BIT 0
87	#define __ISR_VALID (1 << __ISR_VALID_BIT)
88
89	/*
90	* SIGILL si_codes
91	*/
92	#define ILL_BADIADDR (__SI_FAULT\|9) /* unimplemented instruction address */
93	#define __ILL_BREAK (__SI_FAULT\|10) /* illegal break */
94	#define __ILL_BNDMOD (__SI_FAULT\|11) /* bundle-update (modification) in progress */
95	#undef NSIGILL
96	#define NSIGILL 11
97
98	/*
99	* SIGFPE si_codes
100	*/
101	#define __FPE_DECOVF (__SI_FAULT\|9) /* decimal overflow */
102	#define __FPE_DECDIV (__SI_FAULT\|10) /* decimal division by zero */
103	#define __FPE_DECERR (__SI_FAULT\|11) /* packed decimal error */
104	#define __FPE_INVASC (__SI_FAULT\|12) /* invalid ASCII digit */
105	#define __FPE_INVDEC (__SI_FAULT\|13) /* invalid decimal digit */
106	#undef NSIGFPE
107	#define NSIGFPE 13
108
109	/*
110	* SIGSEGV si_codes
111	*/
112	#define __SEGV_PSTKOVF (__SI_FAULT\|3) /* paragraph stack overflow */
113	#undef NSIGSEGV
114	#define NSIGSEGV 3
115
116	/*
117	* SIGTRAP si_codes
118	*/
119	#define TRAP_BRANCH (__SI_FAULT\|3) /* process taken branch trap */
120	#define TRAP_HWBKPT (__SI_FAULT\|4) /* hardware breakpoint or watchpoint */
121	#undef NSIGTRAP
122	#define NSIGTRAP 4
123
124	#ifdef __KERNEL__
125	#include <linux/string.h>
126
127	static inline void
128	copy_siginfo (siginfo_t to, siginfo_t from)
129	{
130	if (from->si_code < 0)
131	memcpy(to, from, sizeof(siginfo_t));
132	else
133	/* _sigchld is currently the largest know union member */
134	memcpy(to, from, 4*sizeof(int) + sizeof(from->_sifields._sigchld));
135	}
136
137	#endif /* __KERNEL__ */
138
139	#endif /* _ASM_IA64_SIGINFO_H */