diff options
Diffstat (limited to 'arch/um/os-Linux/trap.c')
-rw-r--r-- | arch/um/os-Linux/trap.c | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/arch/um/os-Linux/trap.c b/arch/um/os-Linux/trap.c new file mode 100644 index 000000000000..321e1c8e227d --- /dev/null +++ b/arch/um/os-Linux/trap.c | |||
@@ -0,0 +1,40 @@ | |||
1 | /* | ||
2 | * Copyright (C) 2000, 2001, 2002 Jeff Dike (jdike@karaya.com) | ||
3 | * Licensed under the GPL | ||
4 | */ | ||
5 | |||
6 | #include <stdlib.h> | ||
7 | #include <signal.h> | ||
8 | #include <setjmp.h> | ||
9 | #include "kern_util.h" | ||
10 | #include "user_util.h" | ||
11 | #include "os.h" | ||
12 | #include "mode.h" | ||
13 | |||
14 | void usr2_handler(int sig, union uml_pt_regs *regs) | ||
15 | { | ||
16 | CHOOSE_MODE(syscall_handler_tt(sig, regs), (void) 0); | ||
17 | } | ||
18 | |||
19 | void (*sig_info[NSIG])(int, union uml_pt_regs *); | ||
20 | |||
21 | void os_fill_handlinfo(struct kern_handlers h) | ||
22 | { | ||
23 | sig_info[SIGTRAP] = h.relay_signal; | ||
24 | sig_info[SIGFPE] = h.relay_signal; | ||
25 | sig_info[SIGILL] = h.relay_signal; | ||
26 | sig_info[SIGWINCH] = h.winch; | ||
27 | sig_info[SIGBUS] = h.bus_handler; | ||
28 | sig_info[SIGSEGV] = h.page_fault; | ||
29 | sig_info[SIGIO] = h.sigio_handler; | ||
30 | sig_info[SIGVTALRM] = h.timer_handler; | ||
31 | sig_info[SIGALRM] = h.timer_handler; | ||
32 | sig_info[SIGUSR2] = usr2_handler; | ||
33 | } | ||
34 | |||
35 | void do_longjmp(void *b, int val) | ||
36 | { | ||
37 | sigjmp_buf *buf = b; | ||
38 | |||
39 | siglongjmp(*buf, val); | ||
40 | } | ||