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 "kern_util.h"
9#include "os.h"
10#include "mode.h"
11#include "longjmp.h"
12
13void usr2_handler(int sig, union uml_pt_regs *regs)
14{
15	CHOOSE_MODE(syscall_handler_tt(sig, regs), (void) 0);
16}
17
18/* Initialized from linux_main() */
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	jmp_buf *buf = b;
38
39	UML_LONGJMP(buf, val);
40}
41