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csky: switch to ->regset_get() 

NB: WTF is fpregs_get() playing at???

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro 2020-06-16 15:28:29 -04:00
parent a6ea5b4588
commit dcad7854fc
1 changed files with 10 additions and 14 deletions
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24
arch/csky/kernel/ptrace.c
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@ -76,17 +76,14 @@ enum csky_regset {
static int gpr_get(struct task_struct *target,
const struct user_regset *regset,
unsigned int pos, unsigned int count,
void *kbuf, void __user *ubuf)
struct membuf to)
{
struct pt_regs *regs;
regs = task_pt_regs(target);
struct pt_regs *regs = task_pt_regs(target);
/* Abiv1 regs->tls is fake and we need sync here. */
regs->tls = task_thread_info(target)->tp_value;
return user_regset_copyout(&pos, &count, &kbuf, &ubuf, regs, 0, -1);
return membuf_write(&to, regs, sizeof(regs));
}
static int gpr_set(struct task_struct *target,
@ -114,8 +111,7 @@ static int gpr_set(struct task_struct *target,
static 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)
{
struct user_fp *regs = (struct user_fp *)&target->thread.user_fp;
@ -131,9 +127,9 @@ static int fpr_get(struct task_struct *target,
for (i = 0; i < 32; i++)
tmp.vr[64 + i] = regs->vr[32 + i];
return user_regset_copyout(&pos, &count, &kbuf, &ubuf, &tmp, 0, -1);
return membuf_write(&to, &tmp, sizeof(tmp));
#else
return user_regset_copyout(&pos, &count, &kbuf, &ubuf, regs, 0, -1);
return membuf_write(&to, regs, sizeof(*regs));
#endif
}
@ -173,16 +169,16 @@ static const struct user_regset csky_regsets[] = {
.n = sizeof(struct pt_regs) / sizeof(u32),
.size = sizeof(u32),
.align = sizeof(u32),
.get = &gpr_get,
.set = &gpr_set,
.regset_get = gpr_get,
.set = gpr_set,
},
[REGSET_FPR] = {
.core_note_type = NT_PRFPREG,
.n = sizeof(struct user_fp) / sizeof(u32),
.size = sizeof(u32),
.align = sizeof(u32),
.get = &fpr_get,
.set = &fpr_set,
.regset_get = fpr_get,
.set = fpr_set,
},
};