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
11#define __ARCH_SI_PREAMBLE_SIZE	(4 * sizeof(int))
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
19typedef 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
127static inline void
128copy_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 */
140