Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
tjh.dev
kernel
os
linux
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#include "longjmp.h"
14
15void usr2_handler(int sig, union uml_pt_regs *regs)
16{
17 CHOOSE_MODE(syscall_handler_tt(sig, regs), (void) 0);
18}
19
20void (*sig_info[NSIG])(int, union uml_pt_regs *);
21
22void os_fill_handlinfo(struct kern_handlers h)
23{
24 sig_info[SIGTRAP] = h.relay_signal;
25 sig_info[SIGFPE] = h.relay_signal;
26 sig_info[SIGILL] = h.relay_signal;
27 sig_info[SIGWINCH] = h.winch;
28 sig_info[SIGBUS] = h.bus_handler;
29 sig_info[SIGSEGV] = h.page_fault;
30 sig_info[SIGIO] = h.sigio_handler;
31 sig_info[SIGVTALRM] = h.timer_handler;
32 sig_info[SIGALRM] = h.timer_handler;
33 sig_info[SIGUSR2] = usr2_handler;
34}
35
36void do_longjmp(void *b, int val)
37{
38 jmp_buf *buf = b;
39
40 UML_LONGJMP(buf, val);
41}