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1 | #ifndef _ASMx8664_SIGNAL_H |
2 | #define _ASMx8664_SIGNAL_H | |
3 | ||
4 | #ifndef __ASSEMBLY__ | |
5 | #include <linux/types.h> | |
6 | #include <linux/linkage.h> | |
7 | #include <linux/time.h> | |
8 | ||
9 | /* Avoid too many header ordering problems. */ | |
10 | struct siginfo; | |
11 | ||
12 | #ifdef __KERNEL__ | |
13 | /* Most things should be clean enough to redefine this at will, if care | |
14 | is taken to make libc match. */ | |
15 | ||
16 | #define _NSIG 64 | |
17 | #define _NSIG_BPW 64 | |
18 | #define _NSIG_WORDS (_NSIG / _NSIG_BPW) | |
19 | ||
20 | typedef unsigned long old_sigset_t; /* at least 32 bits */ | |
21 | ||
22 | typedef struct { | |
23 | unsigned long sig[_NSIG_WORDS]; | |
24 | } sigset_t; | |
25 | ||
26 | ||
27 | struct pt_regs; | |
28 | asmlinkage int do_signal(struct pt_regs *regs, sigset_t *oldset); | |
29 | ||
30 | ||
31 | #else | |
32 | /* Here we must cater to libcs that poke about in kernel headers. */ | |
33 | ||
34 | #define NSIG 32 | |
35 | typedef unsigned long sigset_t; | |
36 | ||
37 | #endif /* __KERNEL__ */ | |
38 | #endif | |
39 | ||
40 | #define SIGHUP 1 | |
41 | #define SIGINT 2 | |
42 | #define SIGQUIT 3 | |
43 | #define SIGILL 4 | |
44 | #define SIGTRAP 5 | |
45 | #define SIGABRT 6 | |
46 | #define SIGIOT 6 | |
47 | #define SIGBUS 7 | |
48 | #define SIGFPE 8 | |
49 | #define SIGKILL 9 | |
50 | #define SIGUSR1 10 | |
51 | #define SIGSEGV 11 | |
52 | #define SIGUSR2 12 | |
53 | #define SIGPIPE 13 | |
54 | #define SIGALRM 14 | |
55 | #define SIGTERM 15 | |
56 | #define SIGSTKFLT 16 | |
57 | #define SIGCHLD 17 | |
58 | #define SIGCONT 18 | |
59 | #define SIGSTOP 19 | |
60 | #define SIGTSTP 20 | |
61 | #define SIGTTIN 21 | |
62 | #define SIGTTOU 22 | |
63 | #define SIGURG 23 | |
64 | #define SIGXCPU 24 | |
65 | #define SIGXFSZ 25 | |
66 | #define SIGVTALRM 26 | |
67 | #define SIGPROF 27 | |
68 | #define SIGWINCH 28 | |
69 | #define SIGIO 29 | |
70 | #define SIGPOLL SIGIO | |
71 | /* | |
72 | #define SIGLOST 29 | |
73 | */ | |
74 | #define SIGPWR 30 | |
75 | #define SIGSYS 31 | |
76 | #define SIGUNUSED 31 | |
77 | ||
78 | /* These should not be considered constants from userland. */ | |
79 | #define SIGRTMIN 32 | |
80 | #define SIGRTMAX _NSIG | |
81 | ||
82 | /* | |
83 | * SA_FLAGS values: | |
84 | * | |
85 | * SA_ONSTACK indicates that a registered stack_t will be used. | |
86 | * SA_INTERRUPT is a no-op, but left due to historical reasons. Use the | |
87 | * SA_RESTART flag to get restarting signals (which were the default long ago) | |
88 | * SA_NOCLDSTOP flag to turn off SIGCHLD when children stop. | |
89 | * SA_RESETHAND clears the handler when the signal is delivered. | |
90 | * SA_NOCLDWAIT flag on SIGCHLD to inhibit zombies. | |
91 | * SA_NODEFER prevents the current signal from being masked in the handler. | |
92 | * | |
93 | * SA_ONESHOT and SA_NOMASK are the historical Linux names for the Single | |
94 | * Unix names RESETHAND and NODEFER respectively. | |
95 | */ | |
96 | #define SA_NOCLDSTOP 0x00000001 | |
97 | #define SA_NOCLDWAIT 0x00000002 | |
98 | #define SA_SIGINFO 0x00000004 | |
99 | #define SA_ONSTACK 0x08000000 | |
100 | #define SA_RESTART 0x10000000 | |
101 | #define SA_NODEFER 0x40000000 | |
102 | #define SA_RESETHAND 0x80000000 | |
103 | ||
104 | #define SA_NOMASK SA_NODEFER | |
105 | #define SA_ONESHOT SA_RESETHAND | |
106 | #define SA_INTERRUPT 0x20000000 /* dummy -- ignored */ | |
107 | ||
108 | #define SA_RESTORER 0x04000000 | |
109 | ||
110 | /* | |
111 | * sigaltstack controls | |
112 | */ | |
113 | #define SS_ONSTACK 1 | |
114 | #define SS_DISABLE 2 | |
115 | ||
116 | #define MINSIGSTKSZ 2048 | |
117 | #define SIGSTKSZ 8192 | |
118 | ||
b1ecb4c3 | 119 | #include <asm-generic/signal.h> |
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120 | |
121 | #ifndef __ASSEMBLY__ | |
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122 | |
123 | struct sigaction { | |
124 | __sighandler_t sa_handler; | |
125 | unsigned long sa_flags; | |
126 | __sigrestore_t sa_restorer; | |
127 | sigset_t sa_mask; /* mask last for extensibility */ | |
128 | }; | |
129 | ||
130 | struct k_sigaction { | |
131 | struct sigaction sa; | |
132 | }; | |
133 | ||
134 | typedef struct sigaltstack { | |
135 | void __user *ss_sp; | |
136 | int ss_flags; | |
137 | size_t ss_size; | |
138 | } stack_t; | |
139 | ||
140 | #ifdef __KERNEL__ | |
141 | #include <asm/sigcontext.h> | |
142 | ||
143 | #undef __HAVE_ARCH_SIG_BITOPS | |
144 | #if 0 | |
145 | ||
146 | extern __inline__ void sigaddset(sigset_t *set, int _sig) | |
147 | { | |
148 | __asm__("btsq %1,%0" : "=m"(*set) : "Ir"(_sig - 1) : "cc"); | |
149 | } | |
150 | ||
151 | extern __inline__ void sigdelset(sigset_t *set, int _sig) | |
152 | { | |
153 | __asm__("btrq %1,%0" : "=m"(*set) : "Ir"(_sig - 1) : "cc"); | |
154 | } | |
155 | ||
156 | extern __inline__ int __const_sigismember(sigset_t *set, int _sig) | |
157 | { | |
158 | unsigned long sig = _sig - 1; | |
159 | return 1 & (set->sig[sig / _NSIG_BPW] >> (sig & ~(_NSIG_BPW-1))); | |
160 | } | |
161 | ||
162 | extern __inline__ int __gen_sigismember(sigset_t *set, int _sig) | |
163 | { | |
164 | int ret; | |
165 | __asm__("btq %2,%1\n\tsbbq %0,%0" | |
166 | : "=r"(ret) : "m"(*set), "Ir"(_sig-1) : "cc"); | |
167 | return ret; | |
168 | } | |
169 | ||
170 | #define sigismember(set,sig) \ | |
171 | (__builtin_constant_p(sig) ? \ | |
172 | __const_sigismember((set),(sig)) : \ | |
173 | __gen_sigismember((set),(sig))) | |
174 | ||
175 | extern __inline__ int sigfindinword(unsigned long word) | |
176 | { | |
177 | __asm__("bsfq %1,%0" : "=r"(word) : "rm"(word) : "cc"); | |
178 | return word; | |
179 | } | |
180 | #endif | |
181 | #endif | |
182 | ||
183 | #define ptrace_signal_deliver(regs, cookie) do { } while (0) | |
184 | ||
185 | #endif /* __KERNEL__ */ | |
186 | ||
187 | #endif |