diff options
Diffstat (limited to 'arch/arc/kernel/ptrace.c')
| -rw-r--r-- | arch/arc/kernel/ptrace.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/arch/arc/kernel/ptrace.c b/arch/arc/kernel/ptrace.c index c6a81c58d0f3..6e467e3585b0 100644 --- a/arch/arc/kernel/ptrace.c +++ b/arch/arc/kernel/ptrace.c @@ -40,6 +40,13 @@ static int genregs_get(struct task_struct *target, offsetof(struct user_regs_struct, LOC), \ offsetof(struct user_regs_struct, LOC) + 4); +#define REG_O_ZERO(LOC) \ + if (!ret) \ + ret = user_regset_copyout_zero(&pos, &count, &kbuf, &ubuf, \ + offsetof(struct user_regs_struct, LOC), \ + offsetof(struct user_regs_struct, LOC) + 4); + + REG_O_ZERO(pad); REG_O_CHUNK(scratch, callee, ptregs); REG_O_CHUNK(callee, efa, cregs); REG_O_CHUNK(efa, stop_pc, &target->thread.fault_address); @@ -88,6 +95,7 @@ static int genregs_set(struct task_struct *target, offsetof(struct user_regs_struct, LOC), \ offsetof(struct user_regs_struct, LOC) + 4); + REG_IGNORE_ONE(pad); /* TBD: disallow updates to STATUS32, orig_r8 etc*/ REG_IN_CHUNK(scratch, callee, ptregs); /* pt_regs[bta..orig_r8] */ REG_IN_CHUNK(callee, efa, cregs); /* callee_regs[r25..r13] */ |