1#ifndef _M68K_SIGINFO_H
2#define _M68K_SIGINFO_H
3
4#include <linux/types.h>
5
6/* This is copied from asm-alpha/siginfo.h.  */
7
8typedef union sigval {
9	int sival_int;
10	void *sival_ptr;
11} sigval_t;
12
13#define SI_MAX_SIZE	128
14#define SI_PAD_SIZE	((SI_MAX_SIZE/sizeof(int)) - 3)
15
16typedef struct siginfo {
17	int si_signo;
18	int si_errno;
19	int si_code;
20
21	union {
22		int _pad[SI_PAD_SIZE];
23
24		/* kill() */
25		struct {
26			__kernel_pid_t _pid;	/* sender's pid */
27			__kernel_uid_t _uid;	/* backwards compatibility */
28			__kernel_uid32_t _uid32; /* sender's uid */
29		} _kill;
30
31		/* POSIX.1b timers */
32		struct {
33			unsigned int _timer1;
34			unsigned int _timer2;
35		} _timer;
36
37		/* POSIX.1b signals */
38		struct {
39			__kernel_pid_t _pid;	/* sender's pid */
40			__kernel_uid_t _uid;	/* backwards compatibility */
41			sigval_t _sigval;
42			__kernel_uid32_t _uid32; /* sender's uid */
43		} _rt;
44
45		/* SIGCHLD */
46		struct {
47			__kernel_pid_t _pid;	/* which child */
48			__kernel_uid_t _uid;	/* backwards compatibility */
49			int _status;		/* exit code */
50			clock_t _utime;
51			clock_t _stime;
52			__kernel_uid32_t _uid32; /* sender's uid */
53		} _sigchld;
54
55		/* SIGILL, SIGFPE, SIGSEGV, SIGBUS */
56		struct {
57			void *_addr; /* faulting insn/memory ref. */
58		} _sigfault;
59
60		/* SIGPOLL */
61		struct {
62			int _band;	/* POLL_IN, POLL_OUT, POLL_MSG */
63			int _fd;
64		} _sigpoll;
65	} _sifields;
66} siginfo_t;
67
68#define UID16_SIGINFO_COMPAT_NEEDED
69
70/*
71 * How these fields are to be accessed.
72 */
73#define si_pid		_sifields._kill._pid
74#ifdef __KERNEL__
75#define si_uid		_sifields._kill._uid32
76#define si_uid16	_sifields._kill._uid
77#else
78#define si_uid		_sifields._kill._uid
79#endif /* __KERNEL__ */
80#define si_status	_sifields._sigchld._status
81#define si_utime	_sifields._sigchld._utime
82#define si_stime	_sifields._sigchld._stime
83#define si_value	_sifields._rt._sigval
84#define si_int		_sifields._rt._sigval.sival_int
85#define si_ptr		_sifields._rt._sigval.sival_ptr
86#define si_addr		_sifields._sigfault._addr
87#define si_band		_sifields._sigpoll._band
88#define si_fd		_sifields._sigpoll._fd
89
90#ifdef __KERNEL__
91#define __SI_MASK	0xffff0000
92#define __SI_KILL	(0 << 16)
93#define __SI_TIMER	(1 << 16)
94#define __SI_POLL	(2 << 16)
95#define __SI_FAULT	(3 << 16)
96#define __SI_CHLD	(4 << 16)
97#define __SI_RT		(5 << 16)
98#define __SI_CODE(T,N)	((T) << 16 | ((N) & 0xffff))
99#else
100#define __SI_KILL	0
101#define __SI_TIMER	0
102#define __SI_POLL	0
103#define __SI_FAULT	0
104#define __SI_CHLD	0
105#define __SI_RT		0
106#define __SI_CODE(T,N)	(N)
107#endif
108
109/*
110 * si_code values
111 * Digital reserves positive values for kernel-generated signals.
112 */
113#define SI_USER		0		/* sent by kill, sigsend, raise */
114#define SI_KERNEL	0x80		/* sent by the kernel from somewhere */
115#define SI_QUEUE	-1		/* sent by sigqueue */
116#define SI_TIMER __SI_CODE(__SI_TIMER,-2) /* sent by timer expiration */
117#define SI_MESGQ	-3		/* sent by real time mesq state change */
118#define SI_ASYNCIO	-4		/* sent by AIO completion */
119#define SI_SIGIO	-5		/* sent by queued SIGIO */
120#define SI_TKILL	-6		/* sent by tkill system call */
121
122#define SI_FROMUSER(siptr)	((siptr)->si_code <= 0)
123#define SI_FROMKERNEL(siptr)	((siptr)->si_code > 0)
124
125/*
126 * SIGILL si_codes
127 */
128#define ILL_ILLOPC	(__SI_FAULT|1)	/* illegal opcode */
129#define ILL_ILLOPN	(__SI_FAULT|2)	/* illegal operand */
130#define ILL_ILLADR	(__SI_FAULT|3)	/* illegal addressing mode */
131#define ILL_ILLTRP	(__SI_FAULT|4)	/* illegal trap */
132#define ILL_PRVOPC	(__SI_FAULT|5)	/* privileged opcode */
133#define ILL_PRVREG	(__SI_FAULT|6)	/* privileged register */
134#define ILL_COPROC	(__SI_FAULT|7)	/* coprocessor error */
135#define ILL_BADSTK	(__SI_FAULT|8)	/* internal stack error */
136#define NSIGILL		8
137
138/*
139 * SIGFPE si_codes
140 */
141#define FPE_INTDIV	(__SI_FAULT|1)	/* integer divide by zero */
142#define FPE_INTOVF	(__SI_FAULT|2)	/* integer overflow */
143#define FPE_FLTDIV	(__SI_FAULT|3)	/* floating point divide by zero */
144#define FPE_FLTOVF	(__SI_FAULT|4)	/* floating point overflow */
145#define FPE_FLTUND	(__SI_FAULT|5)	/* floating point underflow */
146#define FPE_FLTRES	(__SI_FAULT|6)	/* floating point inexact result */
147#define FPE_FLTINV	(__SI_FAULT|7)	/* floating point invalid operation */
148#define FPE_FLTSUB	(__SI_FAULT|8)	/* subscript out of range */
149#define NSIGFPE		8
150
151/*
152 * SIGSEGV si_codes
153 */
154#define SEGV_MAPERR	(__SI_FAULT|1)	/* address not mapped to object */
155#define SEGV_ACCERR	(__SI_FAULT|2)	/* invalid permissions for mapped object */
156#define NSIGSEGV	2
157
158/*
159 * SIGBUS si_codes
160 */
161#define BUS_ADRALN	(__SI_FAULT|1)	/* invalid address alignment */
162#define BUS_ADRERR	(__SI_FAULT|2)	/* non-existant physical address */
163#define BUS_OBJERR	(__SI_FAULT|3)	/* object specific hardware error */
164#define NSIGBUS		3
165
166/*
167 * SIGTRAP si_codes
168 */
169#define TRAP_BRKPT	(__SI_FAULT|1)	/* process breakpoint */
170#define TRAP_TRACE	(__SI_FAULT|2)	/* process trace trap */
171#define NSIGTRAP	2
172
173/*
174 * SIGCHLD si_codes
175 */
176#define CLD_EXITED	(__SI_CHLD|1)	/* child has exited */
177#define CLD_KILLED	(__SI_CHLD|2)	/* child was killed */
178#define CLD_DUMPED	(__SI_CHLD|3)	/* child terminated abnormally */
179#define CLD_TRAPPED	(__SI_CHLD|4)	/* traced child has trapped */
180#define CLD_STOPPED	(__SI_CHLD|5)	/* child has stopped */
181#define CLD_CONTINUED	(__SI_CHLD|6)	/* stopped child has continued */
182#define NSIGCHLD	6
183
184/*
185 * SIGPOLL si_codes
186 */
187#define POLL_IN		(__SI_POLL|1)	/* data input available */
188#define POLL_OUT	(__SI_POLL|2)	/* output buffers available */
189#define POLL_MSG	(__SI_POLL|3)	/* input message available */
190#define POLL_ERR	(__SI_POLL|4)	/* i/o error */
191#define POLL_PRI	(__SI_POLL|5)	/* high priority input available */
192#define POLL_HUP	(__SI_POLL|6)	/* device disconnected */
193#define NSIGPOLL	6
194
195/*
196 * sigevent definitions
197 *
198 * It seems likely that SIGEV_THREAD will have to be handled from
199 * userspace, libpthread transmuting it to SIGEV_SIGNAL, which the
200 * thread manager then catches and does the appropriate nonsense.
201 * However, everything is written out here so as to not get lost.
202 */
203#define SIGEV_SIGNAL	0	/* notify via signal */
204#define SIGEV_NONE	1	/* other notification: meaningless */
205#define SIGEV_THREAD	2	/* deliver via thread creation */
206
207#define SIGEV_MAX_SIZE	64
208#define SIGEV_PAD_SIZE	((SIGEV_MAX_SIZE/sizeof(int)) - 3)
209
210typedef struct sigevent {
211	sigval_t sigev_value;
212	int sigev_signo;
213	int sigev_notify;
214	union {
215		int _pad[SIGEV_PAD_SIZE];
216
217		struct {
218			void (*_function)(sigval_t);
219			void *_attribute;	/* really pthread_attr_t */
220		} _sigev_thread;
221	} _sigev_un;
222} sigevent_t;
223
224#define sigev_notify_function	_sigev_un._sigev_thread._function
225#define sigev_notify_attributes	_sigev_un._sigev_thread._attribute
226
227#ifdef __KERNEL__
228#include <linux/string.h>
229
230extern inline void copy_siginfo(siginfo_t *to, siginfo_t *from)
231{
232	if (from->si_code < 0)
233		memcpy(to, from, sizeof(siginfo_t));
234	else
235		/* _sigchld is currently the largest know union member */
236		memcpy(to, from, 3*sizeof(int) + sizeof(from->_sifields._sigchld));
237}
238
239extern int copy_siginfo_to_user(siginfo_t *to, siginfo_t *from);
240
241#endif /* __KERNEL__ */
242
243#endif
244