diff options
Diffstat (limited to 'arch/sparc64/solaris/conv.h')
| -rw-r--r-- | arch/sparc64/solaris/conv.h | 17 |
1 files changed, 9 insertions, 8 deletions
diff --git a/arch/sparc64/solaris/conv.h b/arch/sparc64/solaris/conv.h index fa716f595..1cb3c9018 100644 --- a/arch/sparc64/solaris/conv.h +++ b/arch/sparc64/solaris/conv.h @@ -1,4 +1,4 @@ -/* $Id: conv.h,v 1.3 1998/03/26 08:46:13 jj Exp $ +/* $Id: conv.h,v 1.4 1998/08/15 20:42:51 davem Exp $ * conv.h: Utility macros for Solaris emulation * * Copyright (C) 1997 Jakub Jelinek (jj@sunsite.mff.cuni.cz) @@ -11,13 +11,14 @@ #include <asm/unistd.h> -/* As gcc will warn about casting u32 to some ptr, we have to cast it to - * unsigned long first, and that's what is A() for. - * You just do (void *)A(x), instead of having to - * type (void *)((unsigned long)x) or instead of just (void *)x, which will - * produce warnings. - */ -#define A(x) ((unsigned long)x) +/* Use this to get at 32-bit user passed pointers. */ +#define A(__x) \ +({ unsigned long __ret; \ + __asm__ ("srl %0, 0, %0" \ + : "=r" (__ret) \ + : "0" (__x)); \ + __ret; \ +}) extern unsigned sys_call_table[]; extern unsigned sys_call_table32[]; |