| /* |
| * Copyright (C) 2000, 2001, 2002 Jeff Dike (jdike@karaya.com) |
| * Licensed under the GPL |
| */ |
| |
| #include <stdlib.h> |
| #include <signal.h> |
| #include <setjmp.h> |
| #include "kern_util.h" |
| #include "user_util.h" |
| #include "os.h" |
| #include "mode.h" |
| #include "longjmp.h" |
| |
| void usr2_handler(int sig, union uml_pt_regs *regs) |
| { |
| CHOOSE_MODE(syscall_handler_tt(sig, regs), (void) 0); |
| } |
| |
| void (*sig_info[NSIG])(int, union uml_pt_regs *); |
| |
| void os_fill_handlinfo(struct kern_handlers h) |
| { |
| sig_info[SIGTRAP] = h.relay_signal; |
| sig_info[SIGFPE] = h.relay_signal; |
| sig_info[SIGILL] = h.relay_signal; |
| sig_info[SIGWINCH] = h.winch; |
| sig_info[SIGBUS] = h.bus_handler; |
| sig_info[SIGSEGV] = h.page_fault; |
| sig_info[SIGIO] = h.sigio_handler; |
| sig_info[SIGVTALRM] = h.timer_handler; |
| sig_info[SIGALRM] = h.timer_handler; |
| sig_info[SIGUSR2] = usr2_handler; |
| } |
| |
| void do_longjmp(void *b, int val) |
| { |
| jmp_buf *buf = b; |
| |
| UML_LONGJMP(buf, val); |
| } |