summaryrefslogtreecommitdiffstats
path: root/arch/um/sys-i386/ptrace.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/um/sys-i386/ptrace.c')
-rw-r--r--arch/um/sys-i386/ptrace.c30
1 files changed, 14 insertions, 16 deletions
diff --git a/arch/um/sys-i386/ptrace.c b/arch/um/sys-i386/ptrace.c
index 6b4499906a6c..c9b176534d65 100644
--- a/arch/um/sys-i386/ptrace.c
+++ b/arch/um/sys-i386/ptrace.c
@@ -148,14 +148,13 @@ int peek_user(struct task_struct *child, long addr, long data)
int get_fpregs(struct user_i387_struct __user *buf, struct task_struct *child)
{
int err, n, cpu = ((struct thread_info *) child->stack)->cpu;
- long fpregs[HOST_FP_SIZE];
+ struct user_i387_struct fpregs;
- BUG_ON(sizeof(*buf) != sizeof(fpregs));
- err = save_fp_registers(userspace_pid[cpu], fpregs);
+ err = save_fp_registers(userspace_pid[cpu], (unsigned long *) &fpregs);
if (err)
return err;
- n = copy_to_user(buf, fpregs, sizeof(fpregs));
+ n = copy_to_user(buf, &fpregs, sizeof(fpregs));
if(n > 0)
return -EFAULT;
@@ -165,27 +164,26 @@ int get_fpregs(struct user_i387_struct __user *buf, struct task_struct *child)
int set_fpregs(struct user_i387_struct __user *buf, struct task_struct *child)
{
int n, cpu = ((struct thread_info *) child->stack)->cpu;
- long fpregs[HOST_FP_SIZE];
+ struct user_i387_struct fpregs;
- BUG_ON(sizeof(*buf) != sizeof(fpregs));
- n = copy_from_user(fpregs, buf, sizeof(fpregs));
+ n = copy_from_user(&fpregs, buf, sizeof(fpregs));
if (n > 0)
return -EFAULT;
- return restore_fp_registers(userspace_pid[cpu], fpregs);
+ return restore_fp_registers(userspace_pid[cpu],
+ (unsigned long *) &fpregs);
}
int get_fpxregs(struct user_fxsr_struct __user *buf, struct task_struct *child)
{
int err, n, cpu = ((struct thread_info *) child->stack)->cpu;
- long fpregs[HOST_XFP_SIZE];
+ struct user_fxsr_struct fpregs;
- BUG_ON(sizeof(*buf) != sizeof(fpregs));
- err = save_fpx_registers(userspace_pid[cpu], fpregs);
+ err = save_fpx_registers(userspace_pid[cpu], (unsigned long *) &fpregs);
if (err)
return err;
- n = copy_to_user(buf, fpregs, sizeof(fpregs));
+ n = copy_to_user(buf, &fpregs, sizeof(fpregs));
if(n > 0)
return -EFAULT;
@@ -195,14 +193,14 @@ int get_fpxregs(struct user_fxsr_struct __user *buf, struct task_struct *child)
int set_fpxregs(struct user_fxsr_struct __user *buf, struct task_struct *child)
{
int n, cpu = ((struct thread_info *) child->stack)->cpu;
- long fpregs[HOST_XFP_SIZE];
+ struct user_fxsr_struct fpregs;
- BUG_ON(sizeof(*buf) != sizeof(fpregs));
- n = copy_from_user(fpregs, buf, sizeof(fpregs));
+ n = copy_from_user(&fpregs, buf, sizeof(fpregs));
if (n > 0)
return -EFAULT;
- return restore_fpx_registers(userspace_pid[cpu], fpregs);
+ return restore_fpx_registers(userspace_pid[cpu],
+ (unsigned long *) &fpregs);
}
long subarch_ptrace(struct task_struct *child, long request, long addr,
OpenPOWER on IntegriCloud