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1 /*
2 * FreeBSD siginfo related definitions
3 *
4 * Copyright (c) 2013 Stacey D. Son
5 *
6 * SPDX-License-Identifier: GPL-2.0-or-later
7 */
8 #ifndef TARGET_OS_SIGINFO_H
9 #define TARGET_OS_SIGINFO_H
10
11 #define TARGET_NSIG 128
12 #define TARGET_NSIG_BPW (sizeof(uint32_t) * 8)
13 #define TARGET_NSIG_WORDS (TARGET_NSIG / TARGET_NSIG_BPW)
14
15 /* this struct defines a stack used during syscall handling */
16 typedef struct target_sigaltstack {
17 abi_long ss_sp;
18 abi_ulong ss_size;
19 abi_long ss_flags;
20 } target_stack_t;
21
22 typedef struct {
23 uint32_t __bits[TARGET_NSIG_WORDS];
24 } target_sigset_t;
25
26 struct target_sigaction {
27 abi_ulong _sa_handler;
28 int32_t sa_flags;
29 target_sigset_t sa_mask;
30 };
31
32 typedef union target_sigval {
33 int32_t sival_int;
34 abi_ulong sival_ptr;
35 int32_t sigval_int;
36 abi_ulong sigval_ptr;
37 } target_sigval_t;
38
39 typedef struct target_siginfo {
40 int32_t si_signo; /* signal number */
41 int32_t si_errno; /* errno association */
42 int32_t si_code; /* signal code */
43 int32_t si_pid; /* sending process */
44 int32_t si_uid; /* sender's ruid */
45 int32_t si_status; /* exit value */
46 abi_ulong si_addr; /* faulting instruction */
47 union target_sigval si_value; /* signal value */
48 union {
49 struct {
50 int32_t _trapno; /* machine specific trap code */
51 } _fault;
52
53 /* POSIX.1b timers */
54 struct {
55 int32_t _timerid;
56 int32_t _overrun;
57 } _timer;
58
59 struct {
60 int32_t _mqd;
61 } _mesgp;
62
63 /* SIGPOLL -- Not really generated in FreeBSD ??? */
64 struct {
65 int _band; /* POLL_IN, POLL_OUT, POLL_MSG */
66 } _poll;
67
68 struct {
69 int _mqd;
70 } _mesgq;
71
72 struct {
73 /*
74 * Syscall number for signals delivered as a result of system calls
75 * denied by Capsicum.
76 */
77 int _syscall;
78 } _capsicum;
79
80 /* Spare for future growth */
81 struct {
82 abi_long __spare1__;
83 int32_t __spare2_[7];
84 } __spare__;
85 } _reason;
86 } target_siginfo_t;
87
88 struct target_sigevent {
89 abi_int sigev_notify;
90 abi_int sigev_signo;
91 target_sigval_t sigev_value;
92 union {
93 abi_int _threadid;
94
95 /*
96 * The kernel (and thus QEMU) never looks at these;
97 * they're only used as part of the ABI between a
98 * userspace program and libc.
99 */
100 struct {
101 abi_ulong _function;
102 abi_ulong _attribute;
103 } _sigev_thread;
104 abi_ushort _kevent_flags;
105 abi_long _pad[8];
106 } _sigev_un;
107 };
108
109 #define target_si_signo si_signo
110 #define target_si_code si_code
111 #define target_si_errno si_errno
112 #define target_si_addr si_addr
113
114 /* SIGILL si_codes */
115 #define TARGET_ILL_ILLOPC (1) /* Illegal opcode. */
116 #define TARGET_ILL_ILLOPN (2) /* Illegal operand. */
117 #define TARGET_ILL_ILLADR (3) /* Illegal addressing mode. */
118 #define TARGET_ILL_ILLTRP (4) /* Illegal trap. */
119 #define TARGET_ILL_PRVOPC (5) /* Privileged opcode. */
120 #define TARGET_ILL_PRVREG (6) /* Privileged register. */
121 #define TARGET_ILL_COPROC (7) /* Coprocessor error. */
122 #define TARGET_ILL_BADSTK (8) /* Internal stack error. */
123
124 /* SIGSEGV si_codes */
125 #define TARGET_SEGV_MAPERR (1) /* address not mapped to object */
126 #define TARGET_SEGV_ACCERR (2) /* invalid permissions for mapped object */
127
128 /* SIGTRAP si_codes */
129 #define TARGET_TRAP_BRKPT (1) /* process beakpoint */
130 #define TARGET_TRAP_TRACE (2) /* process trace trap */
131
132 /* SIGBUS si_codes */
133 #define TARGET_BUS_ADRALN (1)
134 #define TARGET_BUS_ADRERR (2)
135 #define TARGET_BUS_OBJERR (3)
136
137 /* SIGFPE codes */
138 #define TARGET_FPE_INTOVF (1) /* Integer overflow. */
139 #define TARGET_FPE_INTDIV (2) /* Integer divide by zero. */
140 #define TARGET_FPE_FLTDIV (3) /* Floating point divide by zero. */
141 #define TARGET_FPE_FLTOVF (4) /* Floating point overflow. */
142 #define TARGET_FPE_FLTUND (5) /* Floating point underflow. */
143 #define TARGET_FPE_FLTRES (6) /* Floating point inexact result. */
144 #define TARGET_FPE_FLTINV (7) /* Invalid floating point operation. */
145 #define TARGET_FPE_FLTSUB (8) /* Subscript out of range. */
146
147 #endif /* TARGET_OS_SIGINFO_H */