1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
2 #ifndef _UAPI_ASM_POWERPC_SIGNAL_H
3 #define _UAPI_ASM_POWERPC_SIGNAL_H
4 
5 #include <linux/types.h>
6 
7 #define _NSIG		64
8 #ifdef __powerpc64__
9 #define _NSIG_BPW	64
10 #else
11 #define _NSIG_BPW	32
12 #endif
13 #define _NSIG_WORDS	(_NSIG / _NSIG_BPW)
14 
15 typedef unsigned long old_sigset_t;		/* at least 32 bits */
16 
17 typedef struct {
18 	unsigned long sig[_NSIG_WORDS];
19 } sigset_t;
20 
21 #define SIGHUP		 1
22 #define SIGINT		 2
23 #define SIGQUIT		 3
24 #define SIGILL		 4
25 #define SIGTRAP		 5
26 #define SIGABRT		 6
27 #define SIGIOT		 6
28 #define SIGBUS		 7
29 #define SIGFPE		 8
30 #define SIGKILL		 9
31 #define SIGUSR1		10
32 #define SIGSEGV		11
33 #define SIGUSR2		12
34 #define SIGPIPE		13
35 #define SIGALRM		14
36 #define SIGTERM		15
37 #define SIGSTKFLT	16
38 #define SIGCHLD		17
39 #define SIGCONT		18
40 #define SIGSTOP		19
41 #define SIGTSTP		20
42 #define SIGTTIN		21
43 #define SIGTTOU		22
44 #define SIGURG		23
45 #define SIGXCPU		24
46 #define SIGXFSZ		25
47 #define SIGVTALRM	26
48 #define SIGPROF		27
49 #define SIGWINCH	28
50 #define SIGIO		29
51 #define SIGPOLL		SIGIO
52 /*
53 #define SIGLOST		29
54 */
55 #define SIGPWR		30
56 #define SIGSYS		31
57 #define	SIGUNUSED	31
58 
59 /* These should not be considered constants from userland.  */
60 #define SIGRTMIN	32
61 #define SIGRTMAX	_NSIG
62 
63 #define SA_RESTORER	0x04000000U
64 
65 #define MINSIGSTKSZ	2048
66 #define SIGSTKSZ	8192
67 
68 #include <asm-generic/signal-defs.h>
69 
70 #ifndef __KERNEL__
71 struct old_sigaction {
72 	__sighandler_t sa_handler;
73 	old_sigset_t sa_mask;
74 	unsigned long sa_flags;
75 	__sigrestore_t sa_restorer;
76 };
77 
78 struct sigaction {
79 	__sighandler_t sa_handler;
80 	unsigned long sa_flags;
81 	__sigrestore_t sa_restorer;
82 	sigset_t sa_mask;		/* mask last for extensibility */
83 };
84 #endif
85 
86 typedef struct sigaltstack {
87 	void __user *ss_sp;
88 	int ss_flags;
89 	size_t ss_size;
90 } stack_t;
91 
92 
93 #ifndef __powerpc64__
94 /*
95  * These are parameters to dbg_sigreturn syscall.  They enable or
96  * disable certain debugging things that can be done from signal
97  * handlers.  The dbg_sigreturn syscall *must* be called from a
98  * SA_SIGINFO signal so the ucontext can be passed to it.  It takes an
99  * array of struct sig_dbg_op, which has the debug operations to
100  * perform before returning from the signal.
101  */
102 struct sig_dbg_op {
103 	int dbg_type;
104 	unsigned long dbg_value;
105 };
106 
107 /* Enable or disable single-stepping.  The value sets the state. */
108 #define SIG_DBG_SINGLE_STEPPING		1
109 
110 /* Enable or disable branch tracing.  The value sets the state. */
111 #define SIG_DBG_BRANCH_TRACING		2
112 #endif /* ! __powerpc64__ */
113 
114 #endif /* _UAPI_ASM_POWERPC_SIGNAL_H */
115