Merge branch 'v4l_for_linus' of git://linuxtv.org/mchehab/for_linus

[pandora-kernel.git] / arch / um / sys-i386 / ptrace.c

diff --git a/arch/um/sys-i386/ptrace.c b/arch/um/sys-i386/ptrace.c
index d23b2d3..3375c27 100644 (file)
--- a/arch/um/sys-i386/ptrace.c
+++ b/arch/um/sys-i386/ptrace.c
@@ -145,7 +145,7 @@ int peek_user(struct task_struct *child, long addr, long data)
        return put_user(tmp, (unsigned long __user *) data);
 }
 
-int get_fpregs(struct user_i387_struct __user *buf, struct task_struct *child)
+static int get_fpregs(struct user_i387_struct __user *buf, struct task_struct *child)
 {
        int err, n, cpu = ((struct thread_info *) child->stack)->cpu;
        struct user_i387_struct fpregs;
@@ -161,7 +161,7 @@ int get_fpregs(struct user_i387_struct __user *buf, struct task_struct *child)
        return n;
 }
 
-int set_fpregs(struct user_i387_struct __user *buf, struct task_struct *child)
+static int set_fpregs(struct user_i387_struct __user *buf, struct task_struct *child)
 {
        int n, cpu = ((struct thread_info *) child->stack)->cpu;
        struct user_i387_struct fpregs;
@@ -174,7 +174,7 @@ int set_fpregs(struct user_i387_struct __user *buf, struct task_struct *child)
                                    (unsigned long *) &fpregs);
 }
 
-int get_fpxregs(struct user_fxsr_struct __user *buf, struct task_struct *child)
+static int get_fpxregs(struct user_fxsr_struct __user *buf, struct task_struct *child)
 {
        int err, n, cpu = ((struct thread_info *) child->stack)->cpu;
        struct user_fxsr_struct fpregs;
@@ -190,7 +190,7 @@ int get_fpxregs(struct user_fxsr_struct __user *buf, struct task_struct *child)
        return n;
 }
 
-int set_fpxregs(struct user_fxsr_struct __user *buf, struct task_struct *child)
+static int set_fpxregs(struct user_fxsr_struct __user *buf, struct task_struct *child)
 {
        int n, cpu = ((struct thread_info *) child->stack)->cpu;
        struct user_fxsr_struct fpregs;
@@ -206,5 +206,23 @@ int set_fpxregs(struct user_fxsr_struct __user *buf, struct task_struct *child)
 long subarch_ptrace(struct task_struct *child, long request,
                    unsigned long addr, unsigned long data)
 {
-       return -EIO;
+       int ret = -EIO;
+       void __user *datap = (void __user *) data;
+       switch (request) {
+       case PTRACE_GETFPREGS: /* Get the child FPU state. */
+               ret = get_fpregs(datap, child);
+               break;
+       case PTRACE_SETFPREGS: /* Set the child FPU state. */
+               ret = set_fpregs(datap, child);
+               break;
+       case PTRACE_GETFPXREGS: /* Get the child FPU state. */
+               ret = get_fpxregs(datap, child);
+               break;
+       case PTRACE_SETFPXREGS: /* Set the child FPU state. */
+               ret = set_fpxregs(datap, child);
+               break;
+       default:
+               ret = -EIO;
+       }
+       return ret;
 }