powerpc: Add macros to access floating point registers in thread_struct.

[linux-2.6-omap-h63xx.git] / arch / powerpc / kernel / ptrace.c

diff --git a/arch/powerpc/kernel/ptrace.c b/arch/powerpc/kernel/ptrace.c
index 2a9fe97e452129c9cd843e8e404d327df8605f66..59ff08704e94337e6de56770bada607cba9da577 100644 (file)
--- a/arch/powerpc/kernel/ptrace.c
+++ b/arch/powerpc/kernel/ptrace.c
@@ -218,7 +218,7 @@ static int fpr_get(struct task_struct *target, const struct user_regset *regset,
        flush_fp_to_thread(target);
 
        BUILD_BUG_ON(offsetof(struct thread_struct, fpscr) !=
-                    offsetof(struct thread_struct, fpr[32]));
+                    offsetof(struct thread_struct, TS_FPR(32)));
 
        return user_regset_copyout(&pos, &count, &kbuf, &ubuf,
                                   &target->thread.fpr, 0, -1);
@@ -231,7 +231,7 @@ static int fpr_set(struct task_struct *target, const struct user_regset *regset,
        flush_fp_to_thread(target);
 
        BUILD_BUG_ON(offsetof(struct thread_struct, fpscr) !=
-                    offsetof(struct thread_struct, fpr[32]));
+                    offsetof(struct thread_struct, TS_FPR(32)));
 
        return user_regset_copyin(&pos, &count, &kbuf, &ubuf,
                                  &target->thread.fpr, 0, -1);
@@ -728,7 +728,8 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data)
                        tmp = ptrace_get_reg(child, (int) index);
                } else {
                        flush_fp_to_thread(child);
-                       tmp = ((unsigned long *)child->thread.fpr)[index - PT_FPR0];
+                       tmp = ((unsigned long *)child->thread.fpr)
+                               [TS_FPRWIDTH * (index - PT_FPR0)];
                }
                ret = put_user(tmp,(unsigned long __user *) data);
                break;
@@ -755,7 +756,8 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data)
                        ret = ptrace_put_reg(child, index, data);
                } else {
                        flush_fp_to_thread(child);
-                       ((unsigned long *)child->thread.fpr)[index - PT_FPR0] = data;
+                       ((unsigned long *)child->thread.fpr)
+                               [TS_FPRWIDTH * (index - PT_FPR0)] = data;
                        ret = 0;
                }
                break;