diff options
Diffstat (limited to 'arch/sh/kernel/process.c')
| -rw-r--r-- | arch/sh/kernel/process.c | 15 |
1 files changed, 13 insertions, 2 deletions
diff --git a/arch/sh/kernel/process.c b/arch/sh/kernel/process.c index f3e2631be144..486c06e18033 100644 --- a/arch/sh/kernel/process.c +++ b/arch/sh/kernel/process.c @@ -470,9 +470,10 @@ unsigned long get_wchan(struct task_struct *p) */ pc = thread_saved_pc(p); if (in_sched_functions(pc)) { - schedule_frame = ((unsigned long *)(long)p->thread.sp)[1]; - return (unsigned long)((unsigned long *)schedule_frame)[1]; + schedule_frame = (unsigned long)p->thread.sp; + return ((unsigned long *)schedule_frame)[21]; } + return pc; } @@ -498,6 +499,16 @@ 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); } |
