i386: add reference to the arguments

[linux-2.6-omap-h63xx.git] / include / asm-x86_64 / compat.h

diff --git a/include/asm-x86_64/compat.h b/include/asm-x86_64/compat.h
index f0155c38f639056f6c4f812fb8ad5ab345e090d0..53cb96b68a62bcb1f040e78381e9e9e562cbb0f8 100644 (file)
--- a/include/asm-x86_64/compat.h
+++ b/include/asm-x86_64/compat.h
@@ -33,8 +33,10 @@ typedef s32          compat_key_t;
 
 typedef s32            compat_int_t;
 typedef s32            compat_long_t;
+typedef s64 __attribute__((aligned(4))) compat_s64;
 typedef u32            compat_uint_t;
 typedef u32            compat_ulong_t;
+typedef u64 __attribute__((aligned(4))) compat_u64;
 
 struct compat_timespec {
        compat_time_t   tv_sec;
@@ -198,8 +200,13 @@ static inline compat_uptr_t ptr_to_compat(void __user *uptr)
 
 static __inline__ void __user *compat_alloc_user_space(long len)
 {
-       struct pt_regs *regs = (void *)current->thread.rsp0 - sizeof(struct pt_regs); 
+       struct pt_regs *regs = task_pt_regs(current);
        return (void __user *)regs->rsp - len; 
 }
 
+static inline int is_compat_task(void)
+{
+       return current_thread_info()->status & TS_COMPAT;
+}
+
 #endif /* _ASM_X86_64_COMPAT_H */