diff options
Diffstat (limited to 'arch/powerpc/kernel/ptrace/ptrace-novsx.c')
| -rw-r--r-- | arch/powerpc/kernel/ptrace/ptrace-novsx.c | 13 |
1 files changed, 10 insertions, 3 deletions
diff --git a/arch/powerpc/kernel/ptrace/ptrace-novsx.c b/arch/powerpc/kernel/ptrace/ptrace-novsx.c index b2dc4e92d11a..7433f3db979a 100644 --- a/arch/powerpc/kernel/ptrace/ptrace-novsx.c +++ b/arch/powerpc/kernel/ptrace/ptrace-novsx.c @@ -19,15 +19,18 @@ * }; */ int fpr_get(struct task_struct *target, const struct user_regset *regset, - unsigned int pos, unsigned int count, void *kbuf, void __user *ubuf) + struct membuf to) { +#ifdef CONFIG_PPC_FPU_REGS BUILD_BUG_ON(offsetof(struct thread_fp_state, fpscr) != offsetof(struct thread_fp_state, fpr[32])); flush_fp_to_thread(target); - return user_regset_copyout(&pos, &count, &kbuf, &ubuf, - &target->thread.fp_state, 0, -1); + return membuf_write(&to, &target->thread.fp_state, 33 * sizeof(u64)); +#else + return membuf_write(&to, &empty_zero_page, 33 * sizeof(u64)); +#endif } /* @@ -47,6 +50,7 @@ int fpr_set(struct task_struct *target, const struct user_regset *regset, unsigned int pos, unsigned int count, const void *kbuf, const void __user *ubuf) { +#ifdef CONFIG_PPC_FPU_REGS BUILD_BUG_ON(offsetof(struct thread_fp_state, fpscr) != offsetof(struct thread_fp_state, fpr[32])); @@ -54,4 +58,7 @@ int fpr_set(struct task_struct *target, const struct user_regset *regset, return user_regset_copyin(&pos, &count, &kbuf, &ubuf, &target->thread.fp_state, 0, -1); +#else + return 0; +#endif } |