[PATCH] powerpc: Implement PR_[GS]ET_UNALIGN prctls for powerpc

[deliverable/linux.git] / include / asm-powerpc / processor.h

diff --git a/include/asm-powerpc/processor.h b/include/asm-powerpc/processor.h
index fa6163268153be8ecbfbb96480e988a403ec9c85..d2c2c95f913b46af94874b9965841e8e7f3cb041 100644 (file)
--- a/include/asm-powerpc/processor.h
+++ b/include/asm-powerpc/processor.h
@@ -149,6 +149,7 @@ struct thread_struct {
                unsigned int val;       /* Floating point status */
        } fpscr;
        int             fpexc_mode;     /* floating-point exception mode */
+       unsigned int    align_ctl;      /* alignment handling control */
 #ifdef CONFIG_PPC64
        unsigned long   start_tb;       /* Start purr when proc switched in */
        unsigned long   accum_tb;       /* Total accumilated purr for process */
@@ -217,6 +218,12 @@ extern int set_fpexc_mode(struct task_struct *tsk, unsigned int val);
 extern int get_endian(struct task_struct *tsk, unsigned long adr);
 extern int set_endian(struct task_struct *tsk, unsigned int val);
 
+#define GET_UNALIGN_CTL(tsk, adr)      get_unalign_ctl((tsk), (adr))
+#define SET_UNALIGN_CTL(tsk, val)      set_unalign_ctl((tsk), (val))
+
+extern int get_unalign_ctl(struct task_struct *tsk, unsigned long adr);
+extern int set_unalign_ctl(struct task_struct *tsk, unsigned int val);
+
 static inline unsigned int __unpack_fe01(unsigned long msr_bits)
 {
        return ((msr_bits & MSR_FE0) >> 10) | ((msr_bits & MSR_FE1) >> 8);