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authorRussell King <rmk@dyn-67.arm.linux.org.uk>2006-01-09 19:18:33 +0000
committerRussell King <rmk+kernel@arm.linux.org.uk>2006-01-09 19:18:33 +0000
commit0a3a98f6dd4e8f4d928a09302c0d1c56f2192ac3 (patch)
tree92f55e374a84d06ce8213a4540454760fdecf137 /arch/um/os-Linux/trap.c
parent8ef12c9f01afba47c2d33bb939085111ca0d0f7d (diff)
parent5367f2d67c7d0bf1faae90e6e7b4e2ac3c9b5e0f (diff)
Merge Linus' tree.
Diffstat (limited to 'arch/um/os-Linux/trap.c')
-rw-r--r--arch/um/os-Linux/trap.c40
1 files changed, 40 insertions, 0 deletions
diff --git a/arch/um/os-Linux/trap.c b/arch/um/os-Linux/trap.c
new file mode 100644
index 00000000000..321e1c8e227
--- /dev/null
+++ b/arch/um/os-Linux/trap.c
@@ -0,0 +1,40 @@
+/*
+ * 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"
+
+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)
+{
+ sigjmp_buf *buf = b;
+
+ siglongjmp(*buf, val);
+}