diff options
Diffstat (limited to 'include/asm-x86')
-rw-r--r-- | include/asm-x86/Kbuild | 2 | ||||
-rw-r--r-- | include/asm-x86/signal.h | 273 | ||||
-rw-r--r-- | include/asm-x86/signal_32.h | 232 | ||||
-rw-r--r-- | include/asm-x86/signal_64.h | 181 |
4 files changed, 263 insertions, 425 deletions
diff --git a/include/asm-x86/Kbuild b/include/asm-x86/Kbuild index 4e4de4bfba41..294781c0e604 100644 --- a/include/asm-x86/Kbuild +++ b/include/asm-x86/Kbuild | |||
@@ -23,8 +23,6 @@ unifdef-y += posix_types_64.h | |||
23 | unifdef-y += ptrace.h | 23 | unifdef-y += ptrace.h |
24 | unifdef-y += setup_32.h | 24 | unifdef-y += setup_32.h |
25 | unifdef-y += setup_64.h | 25 | unifdef-y += setup_64.h |
26 | unifdef-y += signal_32.h | ||
27 | unifdef-y += signal_64.h | ||
28 | unifdef-y += unistd_32.h | 26 | unifdef-y += unistd_32.h |
29 | unifdef-y += unistd_64.h | 27 | unifdef-y += unistd_64.h |
30 | unifdef-y += user_32.h | 28 | unifdef-y += user_32.h |
diff --git a/include/asm-x86/signal.h b/include/asm-x86/signal.h index bf5a63f457da..987a422a2c78 100644 --- a/include/asm-x86/signal.h +++ b/include/asm-x86/signal.h | |||
@@ -1,13 +1,266 @@ | |||
1 | #ifndef _ASM_X86_SIGNAL_H | ||
2 | #define _ASM_X86_SIGNAL_H | ||
3 | |||
4 | #ifndef __ASSEMBLY__ | ||
5 | #include <linux/types.h> | ||
6 | #include <linux/time.h> | ||
7 | #include <linux/compiler.h> | ||
8 | |||
9 | /* Avoid too many header ordering problems. */ | ||
10 | struct siginfo; | ||
11 | |||
1 | #ifdef __KERNEL__ | 12 | #ifdef __KERNEL__ |
2 | # ifdef CONFIG_X86_32 | 13 | #include <linux/linkage.h> |
3 | # include "signal_32.h" | 14 | |
4 | # else | 15 | /* Most things should be clean enough to redefine this at will, if care |
5 | # include "signal_64.h" | 16 | is taken to make libc match. */ |
6 | # endif | 17 | |
18 | #define _NSIG 64 | ||
19 | |||
20 | #ifdef __i386__ | ||
21 | # define _NSIG_BPW 32 | ||
7 | #else | 22 | #else |
8 | # ifdef __i386__ | 23 | # define _NSIG_BPW 64 |
9 | # include "signal_32.h" | 24 | #endif |
10 | # else | 25 | |
11 | # include "signal_64.h" | 26 | #define _NSIG_WORDS (_NSIG / _NSIG_BPW) |
12 | # endif | 27 | |
28 | typedef unsigned long old_sigset_t; /* at least 32 bits */ | ||
29 | |||
30 | typedef struct { | ||
31 | unsigned long sig[_NSIG_WORDS]; | ||
32 | } sigset_t; | ||
33 | |||
34 | #else | ||
35 | /* Here we must cater to libcs that poke about in kernel headers. */ | ||
36 | |||
37 | #define NSIG 32 | ||
38 | typedef unsigned long sigset_t; | ||
39 | |||
40 | #endif /* __KERNEL__ */ | ||
41 | #endif /* __ASSEMBLY__ */ | ||
42 | |||
43 | #define SIGHUP 1 | ||
44 | #define SIGINT 2 | ||
45 | #define SIGQUIT 3 | ||
46 | #define SIGILL 4 | ||
47 | #define SIGTRAP 5 | ||
48 | #define SIGABRT 6 | ||
49 | #define SIGIOT 6 | ||
50 | #define SIGBUS 7 | ||
51 | #define SIGFPE 8 | ||
52 | #define SIGKILL 9 | ||
53 | #define SIGUSR1 10 | ||
54 | #define SIGSEGV 11 | ||
55 | #define SIGUSR2 12 | ||
56 | #define SIGPIPE 13 | ||
57 | #define SIGALRM 14 | ||
58 | #define SIGTERM 15 | ||
59 | #define SIGSTKFLT 16 | ||
60 | #define SIGCHLD 17 | ||
61 | #define SIGCONT 18 | ||
62 | #define SIGSTOP 19 | ||
63 | #define SIGTSTP 20 | ||
64 | #define SIGTTIN 21 | ||
65 | #define SIGTTOU 22 | ||
66 | #define SIGURG 23 | ||
67 | #define SIGXCPU 24 | ||
68 | #define SIGXFSZ 25 | ||
69 | #define SIGVTALRM 26 | ||
70 | #define SIGPROF 27 | ||
71 | #define SIGWINCH 28 | ||
72 | #define SIGIO 29 | ||
73 | #define SIGPOLL SIGIO | ||
74 | /* | ||
75 | #define SIGLOST 29 | ||
76 | */ | ||
77 | #define SIGPWR 30 | ||
78 | #define SIGSYS 31 | ||
79 | #define SIGUNUSED 31 | ||
80 | |||
81 | /* These should not be considered constants from userland. */ | ||
82 | #define SIGRTMIN 32 | ||
83 | #define SIGRTMAX _NSIG | ||
84 | |||
85 | /* | ||
86 | * SA_FLAGS values: | ||
87 | * | ||
88 | * SA_ONSTACK indicates that a registered stack_t will be used. | ||
89 | * SA_RESTART flag to get restarting signals (which were the default long ago) | ||
90 | * SA_NOCLDSTOP flag to turn off SIGCHLD when children stop. | ||
91 | * SA_RESETHAND clears the handler when the signal is delivered. | ||
92 | * SA_NOCLDWAIT flag on SIGCHLD to inhibit zombies. | ||
93 | * SA_NODEFER prevents the current signal from being masked in the handler. | ||
94 | * | ||
95 | * SA_ONESHOT and SA_NOMASK are the historical Linux names for the Single | ||
96 | * Unix names RESETHAND and NODEFER respectively. | ||
97 | */ | ||
98 | #define SA_NOCLDSTOP 0x00000001u | ||
99 | #define SA_NOCLDWAIT 0x00000002u | ||
100 | #define SA_SIGINFO 0x00000004u | ||
101 | #define SA_ONSTACK 0x08000000u | ||
102 | #define SA_RESTART 0x10000000u | ||
103 | #define SA_NODEFER 0x40000000u | ||
104 | #define SA_RESETHAND 0x80000000u | ||
105 | |||
106 | #define SA_NOMASK SA_NODEFER | ||
107 | #define SA_ONESHOT SA_RESETHAND | ||
108 | |||
109 | #define SA_RESTORER 0x04000000 | ||
110 | |||
111 | /* | ||
112 | * sigaltstack controls | ||
113 | */ | ||
114 | #define SS_ONSTACK 1 | ||
115 | #define SS_DISABLE 2 | ||
116 | |||
117 | #define MINSIGSTKSZ 2048 | ||
118 | #define SIGSTKSZ 8192 | ||
119 | |||
120 | #include <asm-generic/signal.h> | ||
121 | |||
122 | #ifndef __ASSEMBLY__ | ||
123 | |||
124 | #ifdef __i386__ | ||
125 | # ifdef __KERNEL__ | ||
126 | struct old_sigaction { | ||
127 | __sighandler_t sa_handler; | ||
128 | old_sigset_t sa_mask; | ||
129 | unsigned long sa_flags; | ||
130 | __sigrestore_t sa_restorer; | ||
131 | }; | ||
132 | |||
133 | struct sigaction { | ||
134 | __sighandler_t sa_handler; | ||
135 | unsigned long sa_flags; | ||
136 | __sigrestore_t sa_restorer; | ||
137 | sigset_t sa_mask; /* mask last for extensibility */ | ||
138 | }; | ||
139 | |||
140 | struct k_sigaction { | ||
141 | struct sigaction sa; | ||
142 | }; | ||
143 | # else /* __KERNEL__ */ | ||
144 | /* Here we must cater to libcs that poke about in kernel headers. */ | ||
145 | |||
146 | struct sigaction { | ||
147 | union { | ||
148 | __sighandler_t _sa_handler; | ||
149 | void (*_sa_sigaction)(int, struct siginfo *, void *); | ||
150 | } _u; | ||
151 | sigset_t sa_mask; | ||
152 | unsigned long sa_flags; | ||
153 | void (*sa_restorer)(void); | ||
154 | }; | ||
155 | |||
156 | #define sa_handler _u._sa_handler | ||
157 | #define sa_sigaction _u._sa_sigaction | ||
158 | |||
159 | # endif /* ! __KERNEL__ */ | ||
160 | #else /* __i386__ */ | ||
161 | |||
162 | struct sigaction { | ||
163 | __sighandler_t sa_handler; | ||
164 | unsigned long sa_flags; | ||
165 | __sigrestore_t sa_restorer; | ||
166 | sigset_t sa_mask; /* mask last for extensibility */ | ||
167 | }; | ||
168 | |||
169 | struct k_sigaction { | ||
170 | struct sigaction sa; | ||
171 | }; | ||
172 | |||
173 | #endif /* !__i386__ */ | ||
174 | |||
175 | typedef struct sigaltstack { | ||
176 | void __user *ss_sp; | ||
177 | int ss_flags; | ||
178 | size_t ss_size; | ||
179 | } stack_t; | ||
180 | |||
181 | #ifdef __KERNEL__ | ||
182 | #include <asm/sigcontext.h> | ||
183 | |||
184 | #ifdef __386__ | ||
185 | |||
186 | #define __HAVE_ARCH_SIG_BITOPS | ||
187 | |||
188 | #define sigaddset(set,sig) \ | ||
189 | (__builtin_constantp(sig) ? \ | ||
190 | __const_sigaddset((set),(sig)) : \ | ||
191 | __gen_sigaddset((set),(sig))) | ||
192 | |||
193 | static __inline__ void __gen_sigaddset(sigset_t *set, int _sig) | ||
194 | { | ||
195 | __asm__("btsl %1,%0" : "+m"(*set) : "Ir"(_sig - 1) : "cc"); | ||
196 | } | ||
197 | |||
198 | static __inline__ void __const_sigaddset(sigset_t *set, int _sig) | ||
199 | { | ||
200 | unsigned long sig = _sig - 1; | ||
201 | set->sig[sig / _NSIG_BPW] |= 1 << (sig % _NSIG_BPW); | ||
202 | } | ||
203 | |||
204 | #define sigdelset(set,sig) \ | ||
205 | (__builtin_constant_p(sig) ? \ | ||
206 | __const_sigdelset((set),(sig)) : \ | ||
207 | __gen_sigdelset((set),(sig))) | ||
208 | |||
209 | |||
210 | static __inline__ void __gen_sigdelset(sigset_t *set, int _sig) | ||
211 | { | ||
212 | __asm__("btrl %1,%0" : "+m"(*set) : "Ir"(_sig - 1) : "cc"); | ||
213 | } | ||
214 | |||
215 | static __inline__ void __const_sigdelset(sigset_t *set, int _sig) | ||
216 | { | ||
217 | unsigned long sig = _sig - 1; | ||
218 | set->sig[sig / _NSIG_BPW] &= ~(1 << (sig % _NSIG_BPW)); | ||
219 | } | ||
220 | |||
221 | static __inline__ int __const_sigismember(sigset_t *set, int _sig) | ||
222 | { | ||
223 | unsigned long sig = _sig - 1; | ||
224 | return 1 & (set->sig[sig / _NSIG_BPW] >> (sig % _NSIG_BPW)); | ||
225 | } | ||
226 | |||
227 | static __inline__ int __gen_sigismember(sigset_t *set, int _sig) | ||
228 | { | ||
229 | int ret; | ||
230 | __asm__("btl %2,%1\n\tsbbl %0,%0" | ||
231 | : "=r"(ret) : "m"(*set), "Ir"(_sig-1) : "cc"); | ||
232 | return ret; | ||
233 | } | ||
234 | |||
235 | #define sigismember(set,sig) \ | ||
236 | (__builtin_constant_p(sig) ? \ | ||
237 | __const_sigismember((set),(sig)) : \ | ||
238 | __gen_sigismember((set),(sig))) | ||
239 | |||
240 | static __inline__ int sigfindinword(unsigned long word) | ||
241 | { | ||
242 | __asm__("bsfl %1,%0" : "=r"(word) : "rm"(word) : "cc"); | ||
243 | return word; | ||
244 | } | ||
245 | |||
246 | struct pt_regs; | ||
247 | |||
248 | #define ptrace_signal_deliver(regs, cookie) \ | ||
249 | do { \ | ||
250 | if (current->ptrace & PT_DTRACE) { \ | ||
251 | current->ptrace &= ~PT_DTRACE; \ | ||
252 | (regs)->eflags &= ~TF_MASK; \ | ||
253 | } \ | ||
254 | } while (0) | ||
255 | |||
256 | #else /* __i386__ */ | ||
257 | |||
258 | #undef __HAVE_ARCH_SIG_BITOPS | ||
259 | |||
260 | #define ptrace_signal_deliver(regs, cookie) do { } while (0) | ||
261 | |||
262 | #endif /* !__i386__ */ | ||
263 | #endif /* __KERNEL__ */ | ||
264 | #endif /* __ASSEMBLY__ */ | ||
265 | |||
13 | #endif | 266 | #endif |
diff --git a/include/asm-x86/signal_32.h b/include/asm-x86/signal_32.h deleted file mode 100644 index c3e8adec5918..000000000000 --- a/include/asm-x86/signal_32.h +++ /dev/null | |||
@@ -1,232 +0,0 @@ | |||
1 | #ifndef _ASMi386_SIGNAL_H | ||
2 | #define _ASMi386_SIGNAL_H | ||
3 | |||
4 | #include <linux/types.h> | ||
5 | #include <linux/time.h> | ||
6 | #include <linux/compiler.h> | ||
7 | |||
8 | /* Avoid too many header ordering problems. */ | ||
9 | struct siginfo; | ||
10 | |||
11 | #ifdef __KERNEL__ | ||
12 | |||
13 | #include <linux/linkage.h> | ||
14 | |||
15 | /* Most things should be clean enough to redefine this at will, if care | ||
16 | is taken to make libc match. */ | ||
17 | |||
18 | #define _NSIG 64 | ||
19 | #define _NSIG_BPW 32 | ||
20 | #define _NSIG_WORDS (_NSIG / _NSIG_BPW) | ||
21 | |||
22 | typedef unsigned long old_sigset_t; /* at least 32 bits */ | ||
23 | |||
24 | typedef struct { | ||
25 | unsigned long sig[_NSIG_WORDS]; | ||
26 | } sigset_t; | ||
27 | |||
28 | #else | ||
29 | /* Here we must cater to libcs that poke about in kernel headers. */ | ||
30 | |||
31 | #define NSIG 32 | ||
32 | typedef unsigned long sigset_t; | ||
33 | |||
34 | #endif /* __KERNEL__ */ | ||
35 | |||
36 | #define SIGHUP 1 | ||
37 | #define SIGINT 2 | ||
38 | #define SIGQUIT 3 | ||
39 | #define SIGILL 4 | ||
40 | #define SIGTRAP 5 | ||
41 | #define SIGABRT 6 | ||
42 | #define SIGIOT 6 | ||
43 | #define SIGBUS 7 | ||
44 | #define SIGFPE 8 | ||
45 | #define SIGKILL 9 | ||
46 | #define SIGUSR1 10 | ||
47 | #define SIGSEGV 11 | ||
48 | #define SIGUSR2 12 | ||
49 | #define SIGPIPE 13 | ||
50 | #define SIGALRM 14 | ||
51 | #define SIGTERM 15 | ||
52 | #define SIGSTKFLT 16 | ||
53 | #define SIGCHLD 17 | ||
54 | #define SIGCONT 18 | ||
55 | #define SIGSTOP 19 | ||
56 | #define SIGTSTP 20 | ||
57 | #define SIGTTIN 21 | ||
58 | #define SIGTTOU 22 | ||
59 | #define SIGURG 23 | ||
60 | #define SIGXCPU 24 | ||
61 | #define SIGXFSZ 25 | ||
62 | #define SIGVTALRM 26 | ||
63 | #define SIGPROF 27 | ||
64 | #define SIGWINCH 28 | ||
65 | #define SIGIO 29 | ||
66 | #define SIGPOLL SIGIO | ||
67 | /* | ||
68 | #define SIGLOST 29 | ||
69 | */ | ||
70 | #define SIGPWR 30 | ||
71 | #define SIGSYS 31 | ||
72 | #define SIGUNUSED 31 | ||
73 | |||
74 | /* These should not be considered constants from userland. */ | ||
75 | #define SIGRTMIN 32 | ||
76 | #define SIGRTMAX _NSIG | ||
77 | |||
78 | /* | ||
79 | * SA_FLAGS values: | ||
80 | * | ||
81 | * SA_ONSTACK indicates that a registered stack_t will be used. | ||
82 | * SA_RESTART flag to get restarting signals (which were the default long ago) | ||
83 | * SA_NOCLDSTOP flag to turn off SIGCHLD when children stop. | ||
84 | * SA_RESETHAND clears the handler when the signal is delivered. | ||
85 | * SA_NOCLDWAIT flag on SIGCHLD to inhibit zombies. | ||
86 | * SA_NODEFER prevents the current signal from being masked in the handler. | ||
87 | * | ||
88 | * SA_ONESHOT and SA_NOMASK are the historical Linux names for the Single | ||
89 | * Unix names RESETHAND and NODEFER respectively. | ||
90 | */ | ||
91 | #define SA_NOCLDSTOP 0x00000001u | ||
92 | #define SA_NOCLDWAIT 0x00000002u | ||
93 | #define SA_SIGINFO 0x00000004u | ||
94 | #define SA_ONSTACK 0x08000000u | ||
95 | #define SA_RESTART 0x10000000u | ||
96 | #define SA_NODEFER 0x40000000u | ||
97 | #define SA_RESETHAND 0x80000000u | ||
98 | |||
99 | #define SA_NOMASK SA_NODEFER | ||
100 | #define SA_ONESHOT SA_RESETHAND | ||
101 | |||
102 | #define SA_RESTORER 0x04000000 | ||
103 | |||
104 | /* | ||
105 | * sigaltstack controls | ||
106 | */ | ||
107 | #define SS_ONSTACK 1 | ||
108 | #define SS_DISABLE 2 | ||
109 | |||
110 | #define MINSIGSTKSZ 2048 | ||
111 | #define SIGSTKSZ 8192 | ||
112 | |||
113 | #include <asm-generic/signal.h> | ||
114 | |||
115 | #ifdef __KERNEL__ | ||
116 | struct old_sigaction { | ||
117 | __sighandler_t sa_handler; | ||
118 | old_sigset_t sa_mask; | ||
119 | unsigned long sa_flags; | ||
120 | __sigrestore_t sa_restorer; | ||
121 | }; | ||
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 | #else | ||
134 | /* Here we must cater to libcs that poke about in kernel headers. */ | ||
135 | |||
136 | struct sigaction { | ||
137 | union { | ||
138 | __sighandler_t _sa_handler; | ||
139 | void (*_sa_sigaction)(int, struct siginfo *, void *); | ||
140 | } _u; | ||
141 | sigset_t sa_mask; | ||
142 | unsigned long sa_flags; | ||
143 | void (*sa_restorer)(void); | ||
144 | }; | ||
145 | |||
146 | #define sa_handler _u._sa_handler | ||
147 | #define sa_sigaction _u._sa_sigaction | ||
148 | |||
149 | #endif /* __KERNEL__ */ | ||
150 | |||
151 | typedef struct sigaltstack { | ||
152 | void __user *ss_sp; | ||
153 | int ss_flags; | ||
154 | size_t ss_size; | ||
155 | } stack_t; | ||
156 | |||
157 | #ifdef __KERNEL__ | ||
158 | #include <asm/sigcontext.h> | ||
159 | |||
160 | #define __HAVE_ARCH_SIG_BITOPS | ||
161 | |||
162 | #define sigaddset(set,sig) \ | ||
163 | (__builtin_constant_p(sig) ? \ | ||
164 | __const_sigaddset((set),(sig)) : \ | ||
165 | __gen_sigaddset((set),(sig))) | ||
166 | |||
167 | static __inline__ void __gen_sigaddset(sigset_t *set, int _sig) | ||
168 | { | ||
169 | __asm__("btsl %1,%0" : "+m"(*set) : "Ir"(_sig - 1) : "cc"); | ||
170 | } | ||
171 | |||
172 | static __inline__ void __const_sigaddset(sigset_t *set, int _sig) | ||
173 | { | ||
174 | unsigned long sig = _sig - 1; | ||
175 | set->sig[sig / _NSIG_BPW] |= 1 << (sig % _NSIG_BPW); | ||
176 | } | ||
177 | |||
178 | #define sigdelset(set,sig) \ | ||
179 | (__builtin_constant_p(sig) ? \ | ||
180 | __const_sigdelset((set),(sig)) : \ | ||
181 | __gen_sigdelset((set),(sig))) | ||
182 | |||
183 | |||
184 | static __inline__ void __gen_sigdelset(sigset_t *set, int _sig) | ||
185 | { | ||
186 | __asm__("btrl %1,%0" : "+m"(*set) : "Ir"(_sig - 1) : "cc"); | ||
187 | } | ||
188 | |||
189 | static __inline__ void __const_sigdelset(sigset_t *set, int _sig) | ||
190 | { | ||
191 | unsigned long sig = _sig - 1; | ||
192 | set->sig[sig / _NSIG_BPW] &= ~(1 << (sig % _NSIG_BPW)); | ||
193 | } | ||
194 | |||
195 | static __inline__ int __const_sigismember(sigset_t *set, int _sig) | ||
196 | { | ||
197 | unsigned long sig = _sig - 1; | ||
198 | return 1 & (set->sig[sig / _NSIG_BPW] >> (sig % _NSIG_BPW)); | ||
199 | } | ||
200 | |||
201 | static __inline__ int __gen_sigismember(sigset_t *set, int _sig) | ||
202 | { | ||
203 | int ret; | ||
204 | __asm__("btl %2,%1\n\tsbbl %0,%0" | ||
205 | : "=r"(ret) : "m"(*set), "Ir"(_sig-1) : "cc"); | ||
206 | return ret; | ||
207 | } | ||
208 | |||
209 | #define sigismember(set,sig) \ | ||
210 | (__builtin_constant_p(sig) ? \ | ||
211 | __const_sigismember((set),(sig)) : \ | ||
212 | __gen_sigismember((set),(sig))) | ||
213 | |||
214 | static __inline__ int sigfindinword(unsigned long word) | ||
215 | { | ||
216 | __asm__("bsfl %1,%0" : "=r"(word) : "rm"(word) : "cc"); | ||
217 | return word; | ||
218 | } | ||
219 | |||
220 | struct pt_regs; | ||
221 | |||
222 | #define ptrace_signal_deliver(regs, cookie) \ | ||
223 | do { \ | ||
224 | if (current->ptrace & PT_DTRACE) { \ | ||
225 | current->ptrace &= ~PT_DTRACE; \ | ||
226 | (regs)->eflags &= ~TF_MASK; \ | ||
227 | } \ | ||
228 | } while (0) | ||
229 | |||
230 | #endif /* __KERNEL__ */ | ||
231 | |||
232 | #endif | ||
diff --git a/include/asm-x86/signal_64.h b/include/asm-x86/signal_64.h deleted file mode 100644 index 4581f978b299..000000000000 --- a/include/asm-x86/signal_64.h +++ /dev/null | |||
@@ -1,181 +0,0 @@ | |||
1 | #ifndef _ASMx8664_SIGNAL_H | ||
2 | #define _ASMx8664_SIGNAL_H | ||
3 | |||
4 | #ifndef __ASSEMBLY__ | ||
5 | #include <linux/types.h> | ||
6 | #include <linux/time.h> | ||
7 | |||
8 | /* Avoid too many header ordering problems. */ | ||
9 | struct siginfo; | ||
10 | |||
11 | #ifdef __KERNEL__ | ||
12 | #include <linux/linkage.h> | ||
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 | #else | ||
28 | /* Here we must cater to libcs that poke about in kernel headers. */ | ||
29 | |||
30 | #define NSIG 32 | ||
31 | typedef unsigned long sigset_t; | ||
32 | |||
33 | #endif /* __KERNEL__ */ | ||
34 | #endif | ||
35 | |||
36 | #define SIGHUP 1 | ||
37 | #define SIGINT 2 | ||
38 | #define SIGQUIT 3 | ||
39 | #define SIGILL 4 | ||
40 | #define SIGTRAP 5 | ||
41 | #define SIGABRT 6 | ||
42 | #define SIGIOT 6 | ||
43 | #define SIGBUS 7 | ||
44 | #define SIGFPE 8 | ||
45 | #define SIGKILL 9 | ||
46 | #define SIGUSR1 10 | ||
47 | #define SIGSEGV 11 | ||
48 | #define SIGUSR2 12 | ||
49 | #define SIGPIPE 13 | ||
50 | #define SIGALRM 14 | ||
51 | #define SIGTERM 15 | ||
52 | #define SIGSTKFLT 16 | ||
53 | #define SIGCHLD 17 | ||
54 | #define SIGCONT 18 | ||
55 | #define SIGSTOP 19 | ||
56 | #define SIGTSTP 20 | ||
57 | #define SIGTTIN 21 | ||
58 | #define SIGTTOU 22 | ||
59 | #define SIGURG 23 | ||
60 | #define SIGXCPU 24 | ||
61 | #define SIGXFSZ 25 | ||
62 | #define SIGVTALRM 26 | ||
63 | #define SIGPROF 27 | ||
64 | #define SIGWINCH 28 | ||
65 | #define SIGIO 29 | ||
66 | #define SIGPOLL SIGIO | ||
67 | /* | ||
68 | #define SIGLOST 29 | ||
69 | */ | ||
70 | #define SIGPWR 30 | ||
71 | #define SIGSYS 31 | ||
72 | #define SIGUNUSED 31 | ||
73 | |||
74 | /* These should not be considered constants from userland. */ | ||
75 | #define SIGRTMIN 32 | ||
76 | #define SIGRTMAX _NSIG | ||
77 | |||
78 | /* | ||
79 | * SA_FLAGS values: | ||
80 | * | ||
81 | * SA_ONSTACK indicates that a registered stack_t will be used. | ||
82 | * SA_RESTART flag to get restarting signals (which were the default long ago) | ||
83 | * SA_NOCLDSTOP flag to turn off SIGCHLD when children stop. | ||
84 | * SA_RESETHAND clears the handler when the signal is delivered. | ||
85 | * SA_NOCLDWAIT flag on SIGCHLD to inhibit zombies. | ||
86 | * SA_NODEFER prevents the current signal from being masked in the handler. | ||
87 | * | ||
88 | * SA_ONESHOT and SA_NOMASK are the historical Linux names for the Single | ||
89 | * Unix names RESETHAND and NODEFER respectively. | ||
90 | */ | ||
91 | #define SA_NOCLDSTOP 0x00000001 | ||
92 | #define SA_NOCLDWAIT 0x00000002 | ||
93 | #define SA_SIGINFO 0x00000004 | ||
94 | #define SA_ONSTACK 0x08000000 | ||
95 | #define SA_RESTART 0x10000000 | ||
96 | #define SA_NODEFER 0x40000000 | ||
97 | #define SA_RESETHAND 0x80000000 | ||
98 | |||
99 | #define SA_NOMASK SA_NODEFER | ||
100 | #define SA_ONESHOT SA_RESETHAND | ||
101 | |||
102 | #define SA_RESTORER 0x04000000 | ||
103 | |||
104 | /* | ||
105 | * sigaltstack controls | ||
106 | */ | ||
107 | #define SS_ONSTACK 1 | ||
108 | #define SS_DISABLE 2 | ||
109 | |||
110 | #define MINSIGSTKSZ 2048 | ||
111 | #define SIGSTKSZ 8192 | ||
112 | |||
113 | #include <asm-generic/signal.h> | ||
114 | |||
115 | #ifndef __ASSEMBLY__ | ||
116 | |||
117 | struct sigaction { | ||
118 | __sighandler_t sa_handler; | ||
119 | unsigned long sa_flags; | ||
120 | __sigrestore_t sa_restorer; | ||
121 | sigset_t sa_mask; /* mask last for extensibility */ | ||
122 | }; | ||
123 | |||
124 | struct k_sigaction { | ||
125 | struct sigaction sa; | ||
126 | }; | ||
127 | |||
128 | typedef struct sigaltstack { | ||
129 | void __user *ss_sp; | ||
130 | int ss_flags; | ||
131 | size_t ss_size; | ||
132 | } stack_t; | ||
133 | |||
134 | #ifdef __KERNEL__ | ||
135 | #include <asm/sigcontext.h> | ||
136 | |||
137 | #undef __HAVE_ARCH_SIG_BITOPS | ||
138 | #if 0 | ||
139 | |||
140 | static inline void sigaddset(sigset_t *set, int _sig) | ||
141 | { | ||
142 | __asm__("btsq %1,%0" : "=m"(*set) : "Ir"(_sig - 1) : "cc"); | ||
143 | } | ||
144 | |||
145 | static inline void sigdelset(sigset_t *set, int _sig) | ||
146 | { | ||
147 | __asm__("btrq %1,%0" : "=m"(*set) : "Ir"(_sig - 1) : "cc"); | ||
148 | } | ||
149 | |||
150 | static inline int __const_sigismember(sigset_t *set, int _sig) | ||
151 | { | ||
152 | unsigned long sig = _sig - 1; | ||
153 | return 1 & (set->sig[sig / _NSIG_BPW] >> (sig & ~(_NSIG_BPW-1))); | ||
154 | } | ||
155 | |||
156 | static inline int __gen_sigismember(sigset_t *set, int _sig) | ||
157 | { | ||
158 | int ret; | ||
159 | __asm__("btq %2,%1\n\tsbbq %0,%0" | ||
160 | : "=r"(ret) : "m"(*set), "Ir"(_sig-1) : "cc"); | ||
161 | return ret; | ||
162 | } | ||
163 | |||
164 | #define sigismember(set,sig) \ | ||
165 | (__builtin_constant_p(sig) ? \ | ||
166 | __const_sigismember((set),(sig)) : \ | ||
167 | __gen_sigismember((set),(sig))) | ||
168 | |||
169 | static inline int sigfindinword(unsigned long word) | ||
170 | { | ||
171 | __asm__("bsfq %1,%0" : "=r"(word) : "rm"(word) : "cc"); | ||
172 | return word; | ||
173 | } | ||
174 | #endif | ||
175 | #endif | ||
176 | |||
177 | #define ptrace_signal_deliver(regs, cookie) do { } while (0) | ||
178 | |||
179 | #endif /* __KERNEL__ */ | ||
180 | |||
181 | #endif | ||