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-rw-r--r--arch/um/os-Linux/trap.c40
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
14void usr2_handler(int sig, union uml_pt_regs *regs)
15{
16 CHOOSE_MODE(syscall_handler_tt(sig, regs), (void) 0);
17}
18
19void (*sig_info[NSIG])(int, union uml_pt_regs *);
20
21void 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
35void do_longjmp(void *b, int val)
36{
37 sigjmp_buf *buf = b;
38
39 siglongjmp(*buf, val);
40}