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Diffstat (limited to 'arch/um/os-Linux/trap.c')
-rw-r--r--arch/um/os-Linux/trap.c25
1 files changed, 24 insertions, 1 deletions
diff --git a/arch/um/os-Linux/trap.c b/arch/um/os-Linux/trap.c
index 6e7841c23d2..321e1c8e227 100644
--- a/arch/um/os-Linux/trap.c
+++ b/arch/um/os-Linux/trap.c
@@ -3,11 +3,34 @@
* Licensed under the GPL
*/
-#include <setjmp.h>
+#include <stdlib.h>
#include <signal.h>
+#include <setjmp.h>
#include "kern_util.h"
#include "user_util.h"
#include "os.h"
+#include "mode.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)
{