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Diffstat (limited to 'arch/nios2/kernel/traps.c')
-rw-r--r--arch/nios2/kernel/traps.c34
1 files changed, 27 insertions, 7 deletions
diff --git a/arch/nios2/kernel/traps.c b/arch/nios2/kernel/traps.c
index b7b97641a9a6..81f7da7b1d55 100644
--- a/arch/nios2/kernel/traps.c
+++ b/arch/nios2/kernel/traps.c
@@ -23,6 +23,17 @@
static DEFINE_SPINLOCK(die_lock);
+static void _send_sig(int signo, int code, unsigned long addr)
+{
+ siginfo_t info;
+
+ info.si_signo = signo;
+ info.si_errno = 0;
+ info.si_code = code;
+ info.si_addr = (void __user *) addr;
+ force_sig_info(signo, &info, current);
+}
+
void die(const char *str, struct pt_regs *regs, long err)
{
console_verbose();
@@ -39,16 +50,10 @@ void die(const char *str, struct pt_regs *regs, long err)
void _exception(int signo, struct pt_regs *regs, int code, unsigned long addr)
{
- siginfo_t info;
-
if (!user_mode(regs))
die("Exception in kernel mode", regs, signo);
- info.si_signo = signo;
- info.si_errno = 0;
- info.si_code = code;
- info.si_addr = (void __user *) addr;
- force_sig_info(signo, &info, current);
+ _send_sig(signo, code, addr);
}
/*
@@ -183,3 +188,18 @@ asmlinkage void unhandled_exception(struct pt_regs *regs, int cause)
pr_emerg("opcode: 0x%08lx\n", *(unsigned long *)(regs->ea));
}
+
+asmlinkage void handle_trap_1_c(struct pt_regs *fp)
+{
+ _send_sig(SIGUSR1, 0, fp->ea);
+}
+
+asmlinkage void handle_trap_2_c(struct pt_regs *fp)
+{
+ _send_sig(SIGUSR2, 0, fp->ea);
+}
+
+asmlinkage void handle_trap_3_c(struct pt_regs *fp)
+{
+ _send_sig(SIGILL, ILL_ILLTRP, fp->ea);
+}