[linux-2.6-block.git] / include / uapi / asm-generic / siginfo.h

/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
#ifndef _UAPI_ASM_GENERIC_SIGINFO_H
#define _UAPI_ASM_GENERIC_SIGINFO_H

#include <linux/compiler.h>
#include <linux/types.h>

typedef union sigval {
	int sival_int;
	void __user *sival_ptr;
} sigval_t;

#define SI_MAX_SIZE	128

/*
 * The default "si_band" type is "long", as specified by POSIX.
 * However, some architectures want to override this to "int"
 * for historical compatibility reasons, so we allow that.
 */
#ifndef __ARCH_SI_BAND_T
#define __ARCH_SI_BAND_T long
#endif

#ifndef __ARCH_SI_CLOCK_T
#define __ARCH_SI_CLOCK_T __kernel_clock_t
#endif

#ifndef __ARCH_SI_ATTRIBUTES
#define __ARCH_SI_ATTRIBUTES
#endif

/*
 * Be careful when extending this union.  On 32bit siginfo_t is 32bit
 * aligned.  Which means that a 64bit field or any other field that
 * would increase the alignment of siginfo_t will break the ABI.
 */
union __sifields {
	/* kill() */
	struct {
		__kernel_pid_t _pid;	/* sender's pid */
		__kernel_uid32_t _uid;	/* sender's uid */
	} _kill;

	/* POSIX.1b timers */
	struct {
		__kernel_timer_t _tid;	/* timer id */
		int _overrun;		/* overrun count */
		sigval_t _sigval;	/* same as below */
		int _sys_private;       /* not to be passed to user */
	} _timer;

	/* POSIX.1b signals */
	struct {
		__kernel_pid_t _pid;	/* sender's pid */
		__kernel_uid32_t _uid;	/* sender's uid */
		sigval_t _sigval;
	} _rt;

	/* SIGCHLD */
	struct {
		__kernel_pid_t _pid;	/* which child */
		__kernel_uid32_t _uid;	/* sender's uid */
		int _status;		/* exit code */
		__ARCH_SI_CLOCK_T _utime;
		__ARCH_SI_CLOCK_T _stime;
	} _sigchld;

	/* SIGILL, SIGFPE, SIGSEGV, SIGBUS, SIGTRAP, SIGEMT */
	struct {
		void __user *_addr; /* faulting insn/memory ref. */
#ifdef __ia64__
		int _imm;		/* immediate value for "break" */
		unsigned int _flags;	/* see ia64 si_flags */
		unsigned long _isr;	/* isr */
#endif

#define __ADDR_BND_PKEY_PAD  (__alignof__(void *) < sizeof(short) ? \
			      sizeof(short) : __alignof__(void *))
		union {
			/* used on alpha and sparc */
			int _trapno;	/* TRAP # which caused the signal */
			/*
			 * used when si_code=BUS_MCEERR_AR or
			 * used when si_code=BUS_MCEERR_AO
			 */
			short _addr_lsb; /* LSB of the reported address */
			/* used when si_code=SEGV_BNDERR */
			struct {
				char _dummy_bnd[__ADDR_BND_PKEY_PAD];
				void __user *_lower;
				void __user *_upper;
			} _addr_bnd;
			/* used when si_code=SEGV_PKUERR */
			struct {
				char _dummy_pkey[__ADDR_BND_PKEY_PAD];
				__u32 _pkey;
			} _addr_pkey;
			/* used when si_code=TRAP_PERF */
			struct {
				unsigned long _data;
				__u32 _type;
				__u32 _flags;
			} _perf;
		};
	} _sigfault;

	/* SIGPOLL */
	struct {
		__ARCH_SI_BAND_T _band;	/* POLL_IN, POLL_OUT, POLL_MSG */
		int _fd;
	} _sigpoll;

	/* SIGSYS */
	struct {
		void __user *_call_addr; /* calling user insn */
		int _syscall;	/* triggering system call number */
		unsigned int _arch;	/* AUDIT_ARCH_* of syscall */
	} _sigsys;
};

#ifndef __ARCH_HAS_SWAPPED_SIGINFO
#define __SIGINFO 			\
struct {				\
	int si_signo;			\
	int si_errno;			\
	int si_code;			\
	union __sifields _sifields;	\
}
#else
#define __SIGINFO 			\
struct {				\
	int si_signo;			\
	int si_code;			\
	int si_errno;			\
	union __sifields _sifields;	\
}
#endif /* __ARCH_HAS_SWAPPED_SIGINFO */

typedef struct siginfo {
	union {
		__SIGINFO;
		int _si_pad[SI_MAX_SIZE/sizeof(int)];
	};
} __ARCH_SI_ATTRIBUTES siginfo_t;

/*
 * How these fields are to be accessed.
 */
#define si_pid		_sifields._kill._pid
#define si_uid		_sifields._kill._uid
#define si_tid		_sifields._timer._tid
#define si_overrun	_sifields._timer._overrun
#define si_sys_private  _sifields._timer._sys_private
#define si_status	_sifields._sigchld._status
#define si_utime	_sifields._sigchld._utime
#define si_stime	_sifields._sigchld._stime
#define si_value	_sifields._rt._sigval
#define si_int		_sifields._rt._sigval.sival_int
#define si_ptr		_sifields._rt._sigval.sival_ptr
#define si_addr		_sifields._sigfault._addr
#define si_trapno	_sifields._sigfault._trapno
#define si_addr_lsb	_sifields._sigfault._addr_lsb
#define si_lower	_sifields._sigfault._addr_bnd._lower
#define si_upper	_sifields._sigfault._addr_bnd._upper
#define si_pkey		_sifields._sigfault._addr_pkey._pkey
#define si_perf_data	_sifields._sigfault._perf._data
#define si_perf_type	_sifields._sigfault._perf._type
#define si_perf_flags	_sifields._sigfault._perf._flags
#define si_band		_sifields._sigpoll._band
#define si_fd		_sifields._sigpoll._fd
#define si_call_addr	_sifields._sigsys._call_addr
#define si_syscall	_sifields._sigsys._syscall
#define si_arch		_sifields._sigsys._arch

/*
 * si_code values
 * Digital reserves positive values for kernel-generated signals.
 */
#define SI_USER		0		/* sent by kill, sigsend, raise */
#define SI_KERNEL	0x80		/* sent by the kernel from somewhere */
#define SI_QUEUE	-1		/* sent by sigqueue */
#define SI_TIMER	-2		/* sent by timer expiration */
#define SI_MESGQ	-3		/* sent by real time mesq state change */
#define SI_ASYNCIO	-4		/* sent by AIO completion */
#define SI_SIGIO	-5		/* sent by queued SIGIO */
#define SI_TKILL	-6		/* sent by tkill system call */
#define SI_DETHREAD	-7		/* sent by execve() killing subsidiary threads */
#define SI_ASYNCNL	-60		/* sent by glibc async name lookup completion */

#define SI_FROMUSER(siptr)	((siptr)->si_code <= 0)
#define SI_FROMKERNEL(siptr)	((siptr)->si_code > 0)

/*
 * SIGILL si_codes
 */
#define ILL_ILLOPC	1	/* illegal opcode */
#define ILL_ILLOPN	2	/* illegal operand */
#define ILL_ILLADR	3	/* illegal addressing mode */
#define ILL_ILLTRP	4	/* illegal trap */
#define ILL_PRVOPC	5	/* privileged opcode */
#define ILL_PRVREG	6	/* privileged register */
#define ILL_COPROC	7	/* coprocessor error */
#define ILL_BADSTK	8	/* internal stack error */
#define ILL_BADIADDR	9	/* unimplemented instruction address */
#define __ILL_BREAK	10	/* illegal break */
#define __ILL_BNDMOD	11	/* bundle-update (modification) in progress */
#define NSIGILL		11

/*
 * SIGFPE si_codes
 */
#define FPE_INTDIV	1	/* integer divide by zero */
#define FPE_INTOVF	2	/* integer overflow */
#define FPE_FLTDIV	3	/* floating point divide by zero */
#define FPE_FLTOVF	4	/* floating point overflow */
#define FPE_FLTUND	5	/* floating point underflow */
#define FPE_FLTRES	6	/* floating point inexact result */
#define FPE_FLTINV	7	/* floating point invalid operation */
#define FPE_FLTSUB	8	/* subscript out of range */
#define __FPE_DECOVF	9	/* decimal overflow */
#define __FPE_DECDIV	10	/* decimal division by zero */
#define __FPE_DECERR	11	/* packed decimal error */
#define __FPE_INVASC	12	/* invalid ASCII digit */
#define __FPE_INVDEC	13	/* invalid decimal digit */
#define FPE_FLTUNK	14	/* undiagnosed floating-point exception */
#define FPE_CONDTRAP	15	/* trap on condition */
#define NSIGFPE		15

/*
 * SIGSEGV si_codes
 */
#define SEGV_MAPERR	1	/* address not mapped to object */
#define SEGV_ACCERR	2	/* invalid permissions for mapped object */
#define SEGV_BNDERR	3	/* failed address bound checks */
#ifdef __ia64__
# define __SEGV_PSTKOVF	4	/* paragraph stack overflow */
#else
# define SEGV_PKUERR	4	/* failed protection key checks */
#endif
#define SEGV_ACCADI	5	/* ADI not enabled for mapped object */
#define SEGV_ADIDERR	6	/* Disrupting MCD error */
#define SEGV_ADIPERR	7	/* Precise MCD exception */
#define SEGV_MTEAERR	8	/* Asynchronous ARM MTE error */
#define SEGV_MTESERR	9	/* Synchronous ARM MTE exception */
#define SEGV_CPERR	10	/* Control protection fault */
#define NSIGSEGV	10

/*
 * SIGBUS si_codes
 */
#define BUS_ADRALN	1	/* invalid address alignment */
#define BUS_ADRERR	2	/* non-existent physical address */
#define BUS_OBJERR	3	/* object specific hardware error */
/* hardware memory error consumed on a machine check: action required */
#define BUS_MCEERR_AR	4
/* hardware memory error detected in process but not consumed: action optional*/
#define BUS_MCEERR_AO	5
#define NSIGBUS		5

/*
 * SIGTRAP si_codes
 */
#define TRAP_BRKPT	1	/* process breakpoint */
#define TRAP_TRACE	2	/* process trace trap */
#define TRAP_BRANCH     3	/* process taken branch trap */
#define TRAP_HWBKPT     4	/* hardware breakpoint/watchpoint */
#define TRAP_UNK	5	/* undiagnosed trap */
#define TRAP_PERF	6	/* perf event with sigtrap=1 */
#define NSIGTRAP	6

/*
 * There is an additional set of SIGTRAP si_codes used by ptrace
 * that are of the form: ((PTRACE_EVENT_XXX << 8) | SIGTRAP)
 */

/*
 * Flags for si_perf_flags if SIGTRAP si_code is TRAP_PERF.
 */
#define TRAP_PERF_FLAG_ASYNC (1u << 0)

/*
 * SIGCHLD si_codes
 */
#define CLD_EXITED	1	/* child has exited */
#define CLD_KILLED	2	/* child was killed */
#define CLD_DUMPED	3	/* child terminated abnormally */
#define CLD_TRAPPED	4	/* traced child has trapped */
#define CLD_STOPPED	5	/* child has stopped */
#define CLD_CONTINUED	6	/* stopped child has continued */
#define NSIGCHLD	6

/*
 * SIGPOLL (or any other signal without signal specific si_codes) si_codes
 */
#define POLL_IN		1	/* data input available */
#define POLL_OUT	2	/* output buffers available */
#define POLL_MSG	3	/* input message available */
#define POLL_ERR	4	/* i/o error */
#define POLL_PRI	5	/* high priority input available */
#define POLL_HUP	6	/* device disconnected */
#define NSIGPOLL	6

/*
 * SIGSYS si_codes
 */
#define SYS_SECCOMP	1	/* seccomp triggered */
#define SYS_USER_DISPATCH 2	/* syscall user dispatch triggered */
#define NSIGSYS		2

/*
 * SIGEMT si_codes
 */
#define EMT_TAGOVF	1	/* tag overflow */
#define NSIGEMT		1

/*
 * sigevent definitions
 * 
 * It seems likely that SIGEV_THREAD will have to be handled from 
 * userspace, libpthread transmuting it to SIGEV_SIGNAL, which the
 * thread manager then catches and does the appropriate nonsense.
 * However, everything is written out here so as to not get lost.
 */
#define SIGEV_SIGNAL	0	/* notify via signal */
#define SIGEV_NONE	1	/* other notification: meaningless */
#define SIGEV_THREAD	2	/* deliver via thread creation */
#define SIGEV_THREAD_ID 4	/* deliver to thread */

/*
 * This works because the alignment is ok on all current architectures
 * but we leave open this being overridden in the future
 */
#ifndef __ARCH_SIGEV_PREAMBLE_SIZE
#define __ARCH_SIGEV_PREAMBLE_SIZE	(sizeof(int) * 2 + sizeof(sigval_t))
#endif

#define SIGEV_MAX_SIZE	64
#define SIGEV_PAD_SIZE	((SIGEV_MAX_SIZE - __ARCH_SIGEV_PREAMBLE_SIZE) \
		/ sizeof(int))

typedef struct sigevent {
	sigval_t sigev_value;
	int sigev_signo;
	int sigev_notify;
	union {
		int _pad[SIGEV_PAD_SIZE];
		 int _tid;

		struct {
			void (*_function)(sigval_t);
			void *_attribute;	/* really pthread_attr_t */
		} _sigev_thread;
	} _sigev_un;
} sigevent_t;

#define sigev_notify_function	_sigev_un._sigev_thread._function
#define sigev_notify_attributes	_sigev_un._sigev_thread._attribute
#define sigev_notify_thread_id	 _sigev_un._tid


#endif /* _UAPI_ASM_GENERIC_SIGINFO_H */
Commit	Line	Data
6f52b16c	1	/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
8a1ab315 DH	2	#ifndef _UAPI_ASM_GENERIC_SIGINFO_H
	3	#define _UAPI_ASM_GENERIC_SIGINFO_H
	4
	5	#include <linux/compiler.h>
	6	#include <linux/types.h>
	7
	8	typedef union sigval {
	9	int sival_int;
	10	void __user *sival_ptr;
	11	} sigval_t;
	12
8a1ab315	13	#define SI_MAX_SIZE 128
8a1ab315	14
8a1ab315 DH	15	/*
	16	* The default "si_band" type is "long", as specified by POSIX.
	17	* However, some architectures want to override this to "int"
	18	* for historical compatibility reasons, so we allow that.
	19	*/
	20	#ifndef __ARCH_SI_BAND_T
	21	#define __ARCH_SI_BAND_T long
	22	#endif
	23
	24	#ifndef __ARCH_SI_CLOCK_T
	25	#define __ARCH_SI_CLOCK_T __kernel_clock_t
	26	#endif
	27
	28	#ifndef __ARCH_SI_ATTRIBUTES
	29	#define __ARCH_SI_ATTRIBUTES
	30	#endif
	31
50ae8130 EB	32	/*
	33	* Be careful when extending this union. On 32bit siginfo_t is 32bit
	34	* aligned. Which means that a 64bit field or any other field that
	35	* would increase the alignment of siginfo_t will break the ABI.
	36	*/
f2838018 EB	37	union __sifields {
	38	/* kill() */
	39	struct {
	40	__kernel_pid_t _pid; /* sender's pid */
	41	__kernel_uid32_t _uid; /* sender's uid */
	42	} _kill;
	43
	44	/* POSIX.1b timers */
	45	struct {
	46	__kernel_timer_t _tid; /* timer id */
	47	int _overrun; /* overrun count */
	48	sigval_t _sigval; /* same as below */
	49	int _sys_private; /* not to be passed to user */
	50	} _timer;
	51
	52	/* POSIX.1b signals */
	53	struct {
	54	__kernel_pid_t _pid; /* sender's pid */
	55	__kernel_uid32_t _uid; /* sender's uid */
	56	sigval_t _sigval;
	57	} _rt;
	58
	59	/* SIGCHLD */
	60	struct {
	61	__kernel_pid_t _pid; /* which child */
	62	__kernel_uid32_t _uid; /* sender's uid */
	63	int _status; /* exit code */
	64	__ARCH_SI_CLOCK_T _utime;
	65	__ARCH_SI_CLOCK_T _stime;
	66	} _sigchld;
	67
	68	/* SIGILL, SIGFPE, SIGSEGV, SIGBUS, SIGTRAP, SIGEMT */
	69	struct {
	70	void __user _addr; / faulting insn/memory ref. */
2eb50e2e	71	#ifdef __ia64__
f2838018 EB	72	int _imm; /* immediate value for "break" */
	73	unsigned int _flags; /* see ia64 si_flags */
	74	unsigned long _isr; /* isr */
8a1ab315	75	#endif
8420f719 EB	76
	77	#define __ADDR_BND_PKEY_PAD (__alignof__(void *) < sizeof(short) ? \
	78	sizeof(short) : __alignof__(void *))
f2838018	79	union {
add0b32e EB	80	/* used on alpha and sparc */
add0b32e EB	81	int _trapno; /* TRAP # which caused the signal */
f2838018 EB	82	/*
	83	* used when si_code=BUS_MCEERR_AR or
	84	* used when si_code=BUS_MCEERR_AO
	85	*/
	86	short _addr_lsb; /* LSB of the reported address */
	87	/* used when si_code=SEGV_BNDERR */
	88	struct {
	89	char _dummy_bnd[__ADDR_BND_PKEY_PAD];
	90	void __user *_lower;
	91	void __user *_upper;
	92	} _addr_bnd;
	93	/* used when si_code=SEGV_PKUERR */
	94	struct {
	95	char _dummy_pkey[__ADDR_BND_PKEY_PAD];
	96	__u32 _pkey;
	97	} _addr_pkey;
fb6cc127	98	/* used when si_code=TRAP_PERF */
0683b531 EB	99	struct {
	100	unsigned long _data;
	101	__u32 _type;
78ed93d7	102	__u32 _flags;
0683b531	103	} _perf;
f2838018 EB	104	};
	105	} _sigfault;
	106
	107	/* SIGPOLL */
	108	struct {
	109	__ARCH_SI_BAND_T _band; /* POLL_IN, POLL_OUT, POLL_MSG */
	110	int _fd;
	111	} _sigpoll;
	112
	113	/* SIGSYS */
	114	struct {
	115	void __user _call_addr; / calling user insn */
	116	int _syscall; /* triggering system call number */
	117	unsigned int _arch; /* AUDIT_ARCH_* of syscall */
	118	} _sigsys;
	119	};
	120
	121	#ifndef __ARCH_HAS_SWAPPED_SIGINFO
	122	#define __SIGINFO \
	123	struct { \
	124	int si_signo; \
	125	int si_errno; \
	126	int si_code; \
	127	union __sifields _sifields; \
	128	}
	129	#else
	130	#define __SIGINFO \
	131	struct { \
	132	int si_signo; \
	133	int si_code; \
	134	int si_errno; \
	135	union __sifields _sifields; \
	136	}
	137	#endif /* __ARCH_HAS_SWAPPED_SIGINFO */
	138
	139	typedef struct siginfo {
	140	union {
	141	__SIGINFO;
	142	int _si_pad[SI_MAX_SIZE/sizeof(int)];
	143	};
8a1ab315 DH	144	} __ARCH_SI_ATTRIBUTES siginfo_t;
8a1ab315 DH	145
8a1ab315 DH	146	/*
	147	* How these fields are to be accessed.
	148	*/
	149	#define si_pid _sifields._kill._pid
	150	#define si_uid _sifields._kill._uid
	151	#define si_tid _sifields._timer._tid
	152	#define si_overrun _sifields._timer._overrun
	153	#define si_sys_private _sifields._timer._sys_private
	154	#define si_status _sifields._sigchld._status
	155	#define si_utime _sifields._sigchld._utime
	156	#define si_stime _sifields._sigchld._stime
	157	#define si_value _sifields._rt._sigval
	158	#define si_int _sifields._rt._sigval.sival_int
	159	#define si_ptr _sifields._rt._sigval.sival_ptr
	160	#define si_addr _sifields._sigfault._addr
8a1ab315	161	#define si_trapno _sifields._sigfault._trapno
8a1ab315	162	#define si_addr_lsb _sifields._sigfault._addr_lsb
ee1b58d3 QR	163	#define si_lower _sifields._sigfault._addr_bnd._lower
ee1b58d3 QR	164	#define si_upper _sifields._sigfault._addr_bnd._upper
b68a68d3	165	#define si_pkey _sifields._sigfault._addr_pkey._pkey
0683b531 EB	166	#define si_perf_data _sifields._sigfault._perf._data
0683b531 EB	167	#define si_perf_type _sifields._sigfault._perf._type
78ed93d7	168	#define si_perf_flags _sifields._sigfault._perf._flags
8a1ab315 DH	169	#define si_band _sifields._sigpoll._band
8a1ab315 DH	170	#define si_fd _sifields._sigpoll._fd
8a1ab315 DH	171	#define si_call_addr _sifields._sigsys._call_addr
	172	#define si_syscall _sifields._sigsys._syscall
	173	#define si_arch _sifields._sigsys._arch
8a1ab315	174
8a1ab315 DH	175	/*
	176	* si_code values
	177	* Digital reserves positive values for kernel-generated signals.
	178	*/
	179	#define SI_USER 0 /* sent by kill, sigsend, raise */
	180	#define SI_KERNEL 0x80 /* sent by the kernel from somewhere */
	181	#define SI_QUEUE -1 /* sent by sigqueue */
cc731525 EB	182	#define SI_TIMER -2 /* sent by timer expiration */
cc731525 EB	183	#define SI_MESGQ -3 /* sent by real time mesq state change */
8a1ab315	184	#define SI_ASYNCIO -4 /* sent by AIO completion */
cc731525	185	#define SI_SIGIO -5 /* sent by queued SIGIO */
8a1ab315 DH	186	#define SI_TKILL -6 /* sent by tkill system call */
8a1ab315 DH	187	#define SI_DETHREAD -7 /* sent by execve() killing subsidiary threads */
75c0abb8	188	#define SI_ASYNCNL -60 /* sent by glibc async name lookup completion */
8a1ab315 DH	189
	190	#define SI_FROMUSER(siptr) ((siptr)->si_code <= 0)
	191	#define SI_FROMKERNEL(siptr) ((siptr)->si_code > 0)
	192
	193	/*
	194	* SIGILL si_codes
	195	*/
cc731525 EB	196	#define ILL_ILLOPC 1 /* illegal opcode */
	197	#define ILL_ILLOPN 2 /* illegal operand */
	198	#define ILL_ILLADR 3 /* illegal addressing mode */
	199	#define ILL_ILLTRP 4 /* illegal trap */
	200	#define ILL_PRVOPC 5 /* privileged opcode */
	201	#define ILL_PRVREG 6 /* privileged register */
	202	#define ILL_COPROC 7 /* coprocessor error */
	203	#define ILL_BADSTK 8 /* internal stack error */
a402ab8c AB	204	#define ILL_BADIADDR 9 /* unimplemented instruction address */
	205	#define __ILL_BREAK 10 /* illegal break */
	206	#define __ILL_BNDMOD 11 /* bundle-update (modification) in progress */
ac54058d	207	#define NSIGILL 11
8a1ab315 DH	208
	209	/*
	210	* SIGFPE si_codes
	211	*/
cc731525 EB	212	#define FPE_INTDIV 1 /* integer divide by zero */
	213	#define FPE_INTOVF 2 /* integer overflow */
	214	#define FPE_FLTDIV 3 /* floating point divide by zero */
	215	#define FPE_FLTOVF 4 /* floating point overflow */
	216	#define FPE_FLTUND 5 /* floating point underflow */
	217	#define FPE_FLTRES 6 /* floating point inexact result */
	218	#define FPE_FLTINV 7 /* floating point invalid operation */
	219	#define FPE_FLTSUB 8 /* subscript out of range */
a402ab8c AB	220	#define __FPE_DECOVF 9 /* decimal overflow */
	221	#define __FPE_DECDIV 10 /* decimal division by zero */
	222	#define __FPE_DECERR 11 /* packed decimal error */
	223	#define __FPE_INVASC 12 /* invalid ASCII digit */
	224	#define __FPE_INVDEC 13 /* invalid decimal digit */
266da65e	225	#define FPE_FLTUNK 14 /* undiagnosed floating-point exception */
75abf642 HD	226	#define FPE_CONDTRAP 15 /* trap on condition */
75abf642 HD	227	#define NSIGFPE 15
8a1ab315 DH	228
	229	/*
	230	* SIGSEGV si_codes
	231	*/
cc731525 EB	232	#define SEGV_MAPERR 1 /* address not mapped to object */
cc731525 EB	233	#define SEGV_ACCERR 2 /* invalid permissions for mapped object */
3f664931	234	#define SEGV_BNDERR 3 /* failed address bound checks */
ac54058d EB	235	#ifdef __ia64__
	236	# define __SEGV_PSTKOVF 4 /* paragraph stack overflow */
	237	#else
	238	# define SEGV_PKUERR 4 /* failed protection key checks */
	239	#endif
d84bb709 KA	240	#define SEGV_ACCADI 5 /* ADI not enabled for mapped object */
	241	#define SEGV_ADIDERR 6 /* Disrupting MCD error */
	242	#define SEGV_ADIPERR 7 /* Precise MCD exception */
74f10824 VF	243	#define SEGV_MTEAERR 8 /* Asynchronous ARM MTE error */
74f10824 VF	244	#define SEGV_MTESERR 9 /* Synchronous ARM MTE exception */
a5f6c2ac RE	245	#define SEGV_CPERR 10 /* Control protection fault */
a5f6c2ac RE	246	#define NSIGSEGV 10
8a1ab315 DH	247
	248	/*
	249	* SIGBUS si_codes
	250	*/
cc731525 EB	251	#define BUS_ADRALN 1 /* invalid address alignment */
	252	#define BUS_ADRERR 2 /* non-existent physical address */
	253	#define BUS_OBJERR 3 /* object specific hardware error */
8a1ab315	254	/* hardware memory error consumed on a machine check: action required */
3f664931	255	#define BUS_MCEERR_AR 4
8a1ab315	256	/* hardware memory error detected in process but not consumed: action optional*/
cc731525	257	#define BUS_MCEERR_AO 5
8a1ab315 DH	258	#define NSIGBUS 5
	259
	260	/*
	261	* SIGTRAP si_codes
	262	*/
cc731525 EB	263	#define TRAP_BRKPT 1 /* process breakpoint */
	264	#define TRAP_TRACE 2 /* process trace trap */
	265	#define TRAP_BRANCH 3 /* process taken branch trap */
	266	#define TRAP_HWBKPT 4 /* hardware breakpoint/watchpoint */
db78e6a0	267	#define TRAP_UNK 5 /* undiagnosed trap */
fb6cc127 ME	268	#define TRAP_PERF 6 /* perf event with sigtrap=1 */
fb6cc127 ME	269	#define NSIGTRAP 6
8a1ab315	270
f9886bc5	271	/*
63300edd RD	272	* There is an additional set of SIGTRAP si_codes used by ptrace
63300edd RD	273	* that are of the form: ((PTRACE_EVENT_XXX << 8) \| SIGTRAP)
f9886bc5 EB	274	*/
f9886bc5 EB	275
78ed93d7 ME	276	/*
	277	* Flags for si_perf_flags if SIGTRAP si_code is TRAP_PERF.
	278	*/
	279	#define TRAP_PERF_FLAG_ASYNC (1u << 0)
	280
8a1ab315 DH	281	/*
	282	* SIGCHLD si_codes
	283	*/
cc731525 EB	284	#define CLD_EXITED 1 /* child has exited */
	285	#define CLD_KILLED 2 /* child was killed */
	286	#define CLD_DUMPED 3 /* child terminated abnormally */
	287	#define CLD_TRAPPED 4 /* traced child has trapped */
	288	#define CLD_STOPPED 5 /* child has stopped */
	289	#define CLD_CONTINUED 6 /* stopped child has continued */
8a1ab315 DH	290	#define NSIGCHLD 6
	291
	292	/*
d08477aa	293	* SIGPOLL (or any other signal without signal specific si_codes) si_codes
8a1ab315	294	*/
cc731525 EB	295	#define POLL_IN 1 /* data input available */
	296	#define POLL_OUT 2 /* output buffers available */
	297	#define POLL_MSG 3 /* input message available */
	298	#define POLL_ERR 4 /* i/o error */
	299	#define POLL_PRI 5 /* high priority input available */
	300	#define POLL_HUP 6 /* device disconnected */
8a1ab315 DH	301	#define NSIGPOLL 6
	302
	303	/*
	304	* SIGSYS si_codes
	305	*/
cc731525	306	#define SYS_SECCOMP 1 /* seccomp triggered */
1d7637d8 GKB	307	#define SYS_USER_DISPATCH 2 /* syscall user dispatch triggered */
1d7637d8 GKB	308	#define NSIGSYS 2
8a1ab315	309
018303a9 EB	310	/*
	311	* SIGEMT si_codes
	312	*/
	313	#define EMT_TAGOVF 1 /* tag overflow */
	314	#define NSIGEMT 1
	315
8a1ab315 DH	316	/*
	317	* sigevent definitions
	318	*
	319	* It seems likely that SIGEV_THREAD will have to be handled from
	320	* userspace, libpthread transmuting it to SIGEV_SIGNAL, which the
	321	* thread manager then catches and does the appropriate nonsense.
	322	* However, everything is written out here so as to not get lost.
	323	*/
	324	#define SIGEV_SIGNAL 0 /* notify via signal */
	325	#define SIGEV_NONE 1 /* other notification: meaningless */
	326	#define SIGEV_THREAD 2 /* deliver via thread creation */
	327	#define SIGEV_THREAD_ID 4 /* deliver to thread */
	328
	329	/*
	330	* This works because the alignment is ok on all current architectures
	331	* but we leave open this being overridden in the future
	332	*/
	333	#ifndef __ARCH_SIGEV_PREAMBLE_SIZE
	334	#define __ARCH_SIGEV_PREAMBLE_SIZE (sizeof(int) * 2 + sizeof(sigval_t))
	335	#endif
	336
	337	#define SIGEV_MAX_SIZE 64
	338	#define SIGEV_PAD_SIZE ((SIGEV_MAX_SIZE - __ARCH_SIGEV_PREAMBLE_SIZE) \
	339	/ sizeof(int))
	340
	341	typedef struct sigevent {
	342	sigval_t sigev_value;
	343	int sigev_signo;
	344	int sigev_notify;
	345	union {
	346	int _pad[SIGEV_PAD_SIZE];
	347	int _tid;
	348
	349	struct {
	350	void (*_function)(sigval_t);
	351	void _attribute; / really pthread_attr_t */
	352	} _sigev_thread;
	353	} _sigev_un;
	354	} sigevent_t;
	355
	356	#define sigev_notify_function _sigev_un._sigev_thread._function
	357	#define sigev_notify_attributes _sigev_un._sigev_thread._attribute
	358	#define sigev_notify_thread_id _sigev_un._tid
	359
	360
	361	#endif /* _UAPI_ASM_GENERIC_SIGINFO_H */