blob: 8301cb52dd99236840231e60ccd38b9a6fd35d10 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
|
// SPDX-License-Identifier: GPL-2.0-or-later
#include <linux/regset.h>
#include <asm/switch_to.h>
#include "ptrace-decl.h"
int ptrace_get_fpr(struct task_struct *child, int index, unsigned long *data)
{
unsigned int fpidx = index - PT_FPR0;
if (index > PT_FPSCR)
return -EIO;
flush_fp_to_thread(child);
if (fpidx < (PT_FPSCR - PT_FPR0))
memcpy(data, &child->thread.TS_FPR(fpidx), sizeof(long));
else
*data = child->thread.fp_state.fpscr;
return 0;
}
int ptrace_put_fpr(struct task_struct *child, int index, unsigned long data)
{
unsigned int fpidx = index - PT_FPR0;
if (index > PT_FPSCR)
return -EIO;
flush_fp_to_thread(child);
if (fpidx < (PT_FPSCR - PT_FPR0))
memcpy(&child->thread.TS_FPR(fpidx), &data, sizeof(long));
else
child->thread.fp_state.fpscr = data;
return 0;
}
|
