diff options
Diffstat (limited to 'arch/sh/kernel/process.c')
-rw-r--r-- | arch/sh/kernel/process.c | 10 |
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); } |