arch/um/os-Linux/trap.c

   1 /*
   2  * Copyright (C) 2000 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
   3  * Licensed under the GPL
   4  */
   5
   6 #include <signal.h>
   7 #include "os.h"
   8 #include "sysdep/ptrace.h"
   9
  10 /* Initialized from linux_main() */
  11 void (*sig_info[NSIG])(int, struct uml_pt_regs *);
  12
  13 void os_fill_handlinfo(struct kern_handlers h)
  14 {
  15         sig_info[SIGTRAP] = h.relay_signal;
  16         sig_info[SIGFPE] = h.relay_signal;
  17         sig_info[SIGILL] = h.relay_signal;
  18         sig_info[SIGWINCH] = h.winch;
  19         sig_info[SIGBUS] = h.bus_handler;
  20         sig_info[SIGSEGV] = h.page_fault;
  21         sig_info[SIGIO] = h.sigio_handler;
  22         sig_info[SIGVTALRM] = h.timer_handler;
  23         sig_info[SIGALRM] = h.timer_handler;
  24 }
  25
  26 void do_longjmp(void *b, int val)
  27 {
  28         jmp_buf *buf = b;
  29
  30         UML_LONGJMP(buf, val);
  31 }