1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
2 #ifndef _UAPI__SPARC_SIGNAL_H
3 #define _UAPI__SPARC_SIGNAL_H
4
5 #include <asm/sigcontext.h>
6 #include <linux/compiler.h>
7
8
9 /* On the Sparc the signal handlers get passed a 'sub-signal' code
10 * for certain signal types, which we document here.
11 */
12 #define SIGHUP 1
13 #define SIGINT 2
14 #define SIGQUIT 3
15 #define SIGILL 4
16 #define SUBSIG_STACK 0
17 #define SUBSIG_ILLINST 2
18 #define SUBSIG_PRIVINST 3
19 #define SUBSIG_BADTRAP(t) (0x80 + (t))
20
21 #define SIGTRAP 5
22 #define SIGABRT 6
23 #define SIGIOT 6
24
25 #define SIGEMT 7
26 #define SUBSIG_TAG 10
27
28 #define SIGFPE 8
29 #define SUBSIG_FPDISABLED 0x400
30 #define SUBSIG_FPERROR 0x404
31 #define SUBSIG_FPINTOVFL 0x001
32 #define SUBSIG_FPSTSIG 0x002
33 #define SUBSIG_IDIVZERO 0x014
34 #define SUBSIG_FPINEXACT 0x0c4
35 #define SUBSIG_FPDIVZERO 0x0c8
36 #define SUBSIG_FPUNFLOW 0x0cc
37 #define SUBSIG_FPOPERROR 0x0d0
38 #define SUBSIG_FPOVFLOW 0x0d4
39
40 #define SIGKILL 9
41 #define SIGBUS 10
42 #define SUBSIG_BUSTIMEOUT 1
43 #define SUBSIG_ALIGNMENT 2
44 #define SUBSIG_MISCERROR 5
45
46 #define SIGSEGV 11
47 #define SUBSIG_NOMAPPING 3
48 #define SUBSIG_PROTECTION 4
49 #define SUBSIG_SEGERROR 5
50
51 #define SIGSYS 12
52
53 #define SIGPIPE 13
54 #define SIGALRM 14
55 #define SIGTERM 15
56 #define SIGURG 16
57
58 /* SunOS values which deviate from the Linux/i386 ones */
59 #define SIGSTOP 17
60 #define SIGTSTP 18
61 #define SIGCONT 19
62 #define SIGCHLD 20
63 #define SIGTTIN 21
64 #define SIGTTOU 22
65 #define SIGIO 23
66 #define SIGPOLL SIGIO /* SysV name for SIGIO */
67 #define SIGXCPU 24
68 #define SIGXFSZ 25
69 #define SIGVTALRM 26
70 #define SIGPROF 27
71 #define SIGWINCH 28
72 #define SIGLOST 29
73 #define SIGPWR SIGLOST
74 #define SIGUSR1 30
75 #define SIGUSR2 31
76
77 /* Most things should be clean enough to redefine this at will, if care
78 is taken to make libc match. */
79
80 #define __OLD_NSIG 32
81 #define __NEW_NSIG 64
82 #ifdef __arch64__
83 #define _NSIG_BPW 64
84 #else
85 #define _NSIG_BPW 32
86 #endif
87 #define _NSIG_WORDS (__NEW_NSIG / _NSIG_BPW)
88
89 #define SIGRTMIN 32
90 #define SIGRTMAX __NEW_NSIG
91
92 #if defined(__KERNEL__) || defined(__WANT_POSIX1B_SIGNALS__)
93 #define _NSIG __NEW_NSIG
94 #define __new_sigset_t sigset_t
95 #define __new_sigaction sigaction
96 #define __new_sigaction32 sigaction32
97 #define __old_sigset_t old_sigset_t
98 #define __old_sigaction old_sigaction
99 #define __old_sigaction32 old_sigaction32
100 #else
101 #define _NSIG __OLD_NSIG
102 #define NSIG _NSIG
103 #define __old_sigset_t sigset_t
104 #define __old_sigaction sigaction
105 #define __old_sigaction32 sigaction32
106 #endif
107
108 #ifndef __ASSEMBLY__
109
110 typedef unsigned long __old_sigset_t; /* at least 32 bits */
111
112 typedef struct {
113 unsigned long sig[_NSIG_WORDS];
114 } __new_sigset_t;
115
116 /* A SunOS sigstack */
117 struct sigstack {
118 /* XXX 32-bit pointers pinhead XXX */
119 char *the_stack;
120 int cur_status;
121 };
122
123 /* Sigvec flags */
124 #define _SV_SSTACK 1u /* This signal handler should use sig-stack */
125 #define _SV_INTR 2u /* Sig return should not restart system call */
126 #define _SV_RESET 4u /* Set handler to SIG_DFL upon taken signal */
127 #define _SV_IGNCHILD 8u /* Do not send SIGCHLD */
128
129 /*
130 * sa_flags values: SA_STACK is not currently supported, but will allow the
131 * usage of signal stacks by using the (now obsolete) sa_restorer field in
132 * the sigaction structure as a stack pointer. This is now possible due to
133 * the changes in signal handling. LBT 010493.
134 * SA_RESTART flag to get restarting signals (which were the default long ago)
135 */
136 #define SA_NOCLDSTOP _SV_IGNCHILD
137 #define SA_STACK _SV_SSTACK
138 #define SA_ONSTACK _SV_SSTACK
139 #define SA_RESTART _SV_INTR
140 #define SA_RESETHAND _SV_RESET
141 #define SA_NODEFER 0x20u
142 #define SA_NOCLDWAIT 0x100u
143 #define SA_SIGINFO 0x200u
144
145 #define SIG_BLOCK 0x01 /* for blocking signals */
146 #define SIG_UNBLOCK 0x02 /* for unblocking signals */
147 #define SIG_SETMASK 0x04 /* for setting the signal mask */
148
149 #define MINSIGSTKSZ 4096
150 #define SIGSTKSZ 16384
151
152
153 #include <asm-generic/signal-defs.h>
154 #include <asm/posix_types.h>
155
156 #ifndef __KERNEL__
157 struct __new_sigaction {
158 __sighandler_t sa_handler;
159 unsigned long sa_flags;
160 __sigrestore_t sa_restorer; /* not used by Linux/SPARC yet */
161 __new_sigset_t sa_mask;
162 };
163
164 struct __old_sigaction {
165 __sighandler_t sa_handler;
166 __old_sigset_t sa_mask;
167 unsigned long sa_flags;
168 void (*sa_restorer)(void); /* not used by Linux/SPARC yet */
169 };
170 #endif
171
172 typedef struct sigaltstack {
173 void __user *ss_sp;
174 int ss_flags;
175 __kernel_size_t ss_size;
176 } stack_t;
177
178
179 #endif /* !(__ASSEMBLY__) */
180
181 #endif /* _UAPI__SPARC_SIGNAL_H */
182
Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.