1#ifndef _UAPI_ASM_POWERPC_SIGNAL_H
2#define _UAPI_ASM_POWERPC_SIGNAL_H
3
4#include <linux/types.h>
5
6#define _NSIG		64
7#ifdef __powerpc64__
8#define _NSIG_BPW	64
9#else
10#define _NSIG_BPW	32
11#endif
12#define _NSIG_WORDS	(_NSIG / _NSIG_BPW)
13
14typedef unsigned long old_sigset_t;		/* at least 32 bits */
15
16typedef struct {
17	unsigned long sig[_NSIG_WORDS];
18} sigset_t;
19
20#define SIGHUP		 1
21#define SIGINT		 2
22#define SIGQUIT		 3
23#define SIGILL		 4
24#define SIGTRAP		 5
25#define SIGABRT		 6
26#define SIGIOT		 6
27#define SIGBUS		 7
28#define SIGFPE		 8
29#define SIGKILL		 9
30#define SIGUSR1		10
31#define SIGSEGV		11
32#define SIGUSR2		12
33#define SIGPIPE		13
34#define SIGALRM		14
35#define SIGTERM		15
36#define SIGSTKFLT	16
37#define SIGCHLD		17
38#define SIGCONT		18
39#define SIGSTOP		19
40#define SIGTSTP		20
41#define SIGTTIN		21
42#define SIGTTOU		22
43#define SIGURG		23
44#define SIGXCPU		24
45#define SIGXFSZ		25
46#define SIGVTALRM	26
47#define SIGPROF		27
48#define SIGWINCH	28
49#define SIGIO		29
50#define SIGPOLL		SIGIO
51/*
52#define SIGLOST		29
53*/
54#define SIGPWR		30
55#define SIGSYS		31
56#define	SIGUNUSED	31
57
58/* These should not be considered constants from userland.  */
59#define SIGRTMIN	32
60#define SIGRTMAX	_NSIG
61
62/*
63 * SA_FLAGS values:
64 *
65 * SA_ONSTACK is not currently supported, but will allow sigaltstack(2).
66 * SA_RESTART flag to get restarting signals (which were the default long ago)
67 * SA_NOCLDSTOP flag to turn off SIGCHLD when children stop.
68 * SA_RESETHAND clears the handler when the signal is delivered.
69 * SA_NOCLDWAIT flag on SIGCHLD to inhibit zombies.
70 * SA_NODEFER prevents the current signal from being masked in the handler.
71 *
72 * SA_ONESHOT and SA_NOMASK are the historical Linux names for the Single
73 * Unix names RESETHAND and NODEFER respectively.
74 */
75#define SA_NOCLDSTOP	0x00000001U
76#define SA_NOCLDWAIT	0x00000002U
77#define SA_SIGINFO	0x00000004U
78#define SA_ONSTACK	0x08000000U
79#define SA_RESTART	0x10000000U
80#define SA_NODEFER	0x40000000U
81#define SA_RESETHAND	0x80000000U
82
83#define SA_NOMASK	SA_NODEFER
84#define SA_ONESHOT	SA_RESETHAND
85
86#define SA_RESTORER	0x04000000U
87
88#define MINSIGSTKSZ	2048
89#define SIGSTKSZ	8192
90
91#include <asm-generic/signal-defs.h>
92
93#ifndef __KERNEL__
94struct old_sigaction {
95	__sighandler_t sa_handler;
96	old_sigset_t sa_mask;
97	unsigned long sa_flags;
98	__sigrestore_t sa_restorer;
99};
100
101struct sigaction {
102	__sighandler_t sa_handler;
103	unsigned long sa_flags;
104	__sigrestore_t sa_restorer;
105	sigset_t sa_mask;		/* mask last for extensibility */
106};
107#endif
108
109typedef struct sigaltstack {
110	void __user *ss_sp;
111	int ss_flags;
112	size_t ss_size;
113} stack_t;
114
115
116#ifndef __powerpc64__
117/*
118 * These are parameters to dbg_sigreturn syscall.  They enable or
119 * disable certain debugging things that can be done from signal
120 * handlers.  The dbg_sigreturn syscall *must* be called from a
121 * SA_SIGINFO signal so the ucontext can be passed to it.  It takes an
122 * array of struct sig_dbg_op, which has the debug operations to
123 * perform before returning from the signal.
124 */
125struct sig_dbg_op {
126	int dbg_type;
127	unsigned long dbg_value;
128};
129
130/* Enable or disable single-stepping.  The value sets the state. */
131#define SIG_DBG_SINGLE_STEPPING		1
132
133/* Enable or disable branch tracing.  The value sets the state. */
134#define SIG_DBG_BRANCH_TRACING		2
135#endif /* ! __powerpc64__ */
136
137#endif /* _UAPI_ASM_POWERPC_SIGNAL_H */
138