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linux-sg2042
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parisc: switch to ->regset_get() 

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro 2020-06-16 14:40:05 -04:00
parent 1b5b456e39
commit bd0409a856
1 changed files with 16 additions and 68 deletions
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84
arch/parisc/kernel/ptrace.c
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@ -391,31 +391,11 @@ void do_syscall_trace_exit(struct pt_regs *regs)
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 pt_regs *regs = task_regs(target);
__u64 *k = kbuf;
__u64 __user *u = ubuf;
__u64 reg;
pos /= sizeof(reg);
count /= sizeof(reg);
if (kbuf)
for (; count > 0 && pos < ELF_NFPREG; --count)
*k++ = regs->fr[pos++];
else
for (; count > 0 && pos < ELF_NFPREG; --count)
if (__put_user(regs->fr[pos++], u++))
return -EFAULT;
kbuf = k;
ubuf = u;
pos *= sizeof(reg);
count *= sizeof(reg);
return user_regset_copyout_zero(&pos, &count, &kbuf, &ubuf,
ELF_NFPREG * sizeof(reg), -1);
return membuf_write(&to, regs->fr, ELF_NFPREG * sizeof(__u64));
}
static int fpr_set(struct task_struct *target,
@ -527,30 +507,14 @@ static void set_reg(struct pt_regs *regs, int num, unsigned long val)
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 = task_regs(target);
unsigned long *k = kbuf;
unsigned long __user *u = ubuf;
unsigned long reg;
unsigned int pos;
pos /= sizeof(reg);
count /= sizeof(reg);
if (kbuf)
for (; count > 0 && pos < ELF_NGREG; --count)
*k++ = get_reg(regs, pos++);
else
for (; count > 0 && pos < ELF_NGREG; --count)
if (__put_user(get_reg(regs, pos++), u++))
return -EFAULT;
kbuf = k;
ubuf = u;
pos *= sizeof(reg);
count *= sizeof(reg);
return user_regset_copyout_zero(&pos, &count, &kbuf, &ubuf,
ELF_NGREG * sizeof(reg), -1);
for (pos = 0; pos < ELF_NGREG; pos++)
membuf_store(&to, get_reg(regs, pos));
return 0;
}
static int gpr_set(struct task_struct *target,
@ -588,12 +552,12 @@ static const struct user_regset native_regsets[] = {
[REGSET_GENERAL] = {
.core_note_type = NT_PRSTATUS, .n = ELF_NGREG,
.size = sizeof(long), .align = sizeof(long),
.get = gpr_get, .set = gpr_set
.regset_get = gpr_get, .set = gpr_set
},
[REGSET_FP] = {
.core_note_type = NT_PRFPREG, .n = ELF_NFPREG,
.size = sizeof(__u64), .align = sizeof(__u64),
.get = fpr_get, .set = fpr_set
.regset_get = fpr_get, .set = fpr_set
}
};
@ -607,31 +571,15 @@ static const struct user_regset_view user_parisc_native_view = {
static int gpr32_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 = task_regs(target);
compat_ulong_t *k = kbuf;
compat_ulong_t __user *u = ubuf;
compat_ulong_t reg;
unsigned int pos;
pos /= sizeof(reg);
count /= sizeof(reg);
for (pos = 0; pos < ELF_NGREG; pos++)
membuf_store(&to, (compat_ulong_t)get_reg(regs, pos));
if (kbuf)
for (; count > 0 && pos < ELF_NGREG; --count)
*k++ = get_reg(regs, pos++);
else
for (; count > 0 && pos < ELF_NGREG; --count)
if (__put_user((compat_ulong_t) get_reg(regs, pos++), u++))
return -EFAULT;
kbuf = k;
ubuf = u;
pos *= sizeof(reg);
count *= sizeof(reg);
return user_regset_copyout_zero(&pos, &count, &kbuf, &ubuf,
ELF_NGREG * sizeof(reg), -1);
return 0;
}
static int gpr32_set(struct task_struct *target,
@ -672,12 +620,12 @@ static const struct user_regset compat_regsets[] = {
[REGSET_GENERAL] = {
.core_note_type = NT_PRSTATUS, .n = ELF_NGREG,
.size = sizeof(compat_long_t), .align = sizeof(compat_long_t),
.get = gpr32_get, .set = gpr32_set
.regset_get = gpr32_get, .set = gpr32_set
},
[REGSET_FP] = {
.core_note_type = NT_PRFPREG, .n = ELF_NFPREG,
.size = sizeof(__u64), .align = sizeof(__u64),
.get = fpr_get, .set = fpr_set
.regset_get = fpr_get, .set = fpr_set
}
};