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Linus Torvalds1da177e2005-04-16 15:20:36 -07001#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
Stephen Rothwella71c1ab2005-05-01 08:59:08 -070011#define __ARCH_SI_PREAMBLE_SIZE (4 * sizeof(int))
Linus Torvalds1da177e2005-04-16 15:20:36 -070012
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 */