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-rw-r--r--arch/sh/kernel/process.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/arch/sh/kernel/process.c b/arch/sh/kernel/process.c
index f3e2631be14..7347f6afa03 100644
--- a/arch/sh/kernel/process.c
+++ b/arch/sh/kernel/process.c
@@ -498,6 +498,16 @@ asmlinkage void break_point_trap_software(unsigned long r4, unsigned long r5,
{
struct pt_regs *regs = RELOC_HIDE(&__regs, 0);
+ /* Rewind */
regs->pc -= 2;
+
+#ifdef CONFIG_BUG
+ if (__kernel_text_address(instruction_pointer(regs))) {
+ u16 insn = *(u16 *)instruction_pointer(regs);
+ if (insn == TRAPA_BUG_OPCODE)
+ handle_BUG(regs);
+ }
+#endif
+
force_sig(SIGTRAP, current);
}