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Diffstat (limited to 'arch/mips/kernel/ptrace.c')
-rw-r--r--arch/mips/kernel/ptrace.c39
1 files changed, 17 insertions, 22 deletions
diff --git a/arch/mips/kernel/ptrace.c b/arch/mips/kernel/ptrace.c
index a17a702..7d97709 100644
--- a/arch/mips/kernel/ptrace.c
+++ b/arch/mips/kernel/ptrace.c
@@ -120,9 +120,10 @@ int ptrace_getfpregs(struct task_struct *child, __u32 __user *data)
return -EIO;
if (tsk_used_math(child)) {
- fpureg_t *fregs = get_fpu_regs(child);
+ union fpureg *fregs = get_fpu_regs(child);
for (i = 0; i < 32; i++)
- __put_user(fregs[i], i + (__u64 __user *) data);
+ __put_user(get_fpr64(&fregs[i], 0),
+ i + (__u64 __user *)data);
} else {
for (i = 0; i < 32; i++)
__put_user((__u64) -1, i + (__u64 __user *) data);
@@ -158,7 +159,8 @@ int ptrace_getfpregs(struct task_struct *child, __u32 __user *data)
int ptrace_setfpregs(struct task_struct *child, __u32 __user *data)
{
- fpureg_t *fregs;
+ union fpureg *fregs;
+ u64 fpr_val;
int i;
if (!access_ok(VERIFY_READ, data, 33 * 8))
@@ -166,8 +168,10 @@ int ptrace_setfpregs(struct task_struct *child, __u32 __user *data)
fregs = get_fpu_regs(child);
- for (i = 0; i < 32; i++)
- __get_user(fregs[i], i + (__u64 __user *) data);
+ for (i = 0; i < 32; i++) {
+ __get_user(fpr_val, i + (__u64 __user *)data);
+ set_fpr64(&fregs[i], 0, fpr_val);
+ }
__get_user(child->thread.fpu.fcr31, data + 64);
@@ -408,7 +412,7 @@ long arch_ptrace(struct task_struct *child, long request,
/* Read the word at location addr in the USER area. */
case PTRACE_PEEKUSR: {
struct pt_regs *regs;
- fpureg_t *fregs;
+ union fpureg *fregs;
unsigned long tmp = 0;
regs = task_pt_regs(child);
@@ -433,14 +437,12 @@ long arch_ptrace(struct task_struct *child, long request,
* order bits of the values stored in the even
* registers - unless we're using r2k_switch.S.
*/
- if (addr & 1)
- tmp = fregs[(addr & ~1) - 32] >> 32;
- else
- tmp = fregs[addr - 32];
+ tmp = get_fpr32(&fregs[(addr & ~1) - FPR_BASE],
+ addr & 1);
break;
}
#endif
- tmp = fregs[addr - FPR_BASE];
+ tmp = get_fpr32(&fregs[addr - FPR_BASE], 0);
break;
case PC:
tmp = regs->cp0_epc;
@@ -548,7 +550,7 @@ long arch_ptrace(struct task_struct *child, long request,
regs->regs[addr] = data;
break;
case FPR_BASE ... FPR_BASE + 31: {
- fpureg_t *fregs = get_fpu_regs(child);
+ union fpureg *fregs = get_fpu_regs(child);
if (!tsk_used_math(child)) {
/* FP not yet used */
@@ -563,19 +565,12 @@ long arch_ptrace(struct task_struct *child, long request,
* order bits of the values stored in the even
* registers - unless we're using r2k_switch.S.
*/
- if (addr & 1) {
- fregs[(addr & ~1) - FPR_BASE] &=
- 0xffffffff;
- fregs[(addr & ~1) - FPR_BASE] |=
- ((u64)data) << 32;
- } else {
- fregs[addr - FPR_BASE] &= ~0xffffffffLL;
- fregs[addr - FPR_BASE] |= data;
- }
+ set_fpr32(&fregs[(addr & ~1) - FPR_BASE],
+ addr & 1, data);
break;
}
#endif
- fregs[addr - FPR_BASE] = data;
+ set_fpr64(&fregs[addr - FPR_BASE], 0, data);
break;
}
case PC: