X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;ds=sidebyside;f=include%2Fasm-sparc%2Fuaccess.h;fp=include%2Fasm-sparc%2Fuaccess.h;h=f8f1ec1f06e6ce840dc9cc5a7edc76ad03c63ebf;hb=64ba3f394c830ec48a1c31b53dcae312c56f1604;hp=3cf132e1aa2548c19c62cc885d063129b7ed05d2;hpb=be1e6109ac94a859551f8e1774eb9a8469fe055c;p=linux-2.6.git

diff --git a/include/asm-sparc/uaccess.h b/include/asm-sparc/uaccess.h
index 3cf132e1a..f8f1ec1f0 100644
--- a/include/asm-sparc/uaccess.h
+++ b/include/asm-sparc/uaccess.h
@@ -120,6 +120,17 @@ case 8: __put_user_asm(x,d,addr,__pu_ret); break; \
 default: __pu_ret = __put_user_bad(); break; \
 } } else { __pu_ret = -EFAULT; } __pu_ret; })
 
+#define __put_user_check_ret(x,addr,size,retval) ({ \
+register int __foo __asm__ ("l1"); \
+if (__access_ok(addr,size)) { \
+switch (size) { \
+case 1: __put_user_asm_ret(x,b,addr,retval,__foo); break; \
+case 2: __put_user_asm_ret(x,h,addr,retval,__foo); break; \
+case 4: __put_user_asm_ret(x,,addr,retval,__foo); break; \
+case 8: __put_user_asm_ret(x,d,addr,retval,__foo); break; \
+default: if (__put_user_bad()) return retval; break; \
+} } else return retval; })
+
 #define __put_user_nocheck(x,addr,size) ({ \
 register int __pu_ret; \
 switch (size) { \
@@ -130,6 +141,16 @@ case 8: __put_user_asm(x,d,addr,__pu_ret); break; \
 default: __pu_ret = __put_user_bad(); break; \
 } __pu_ret; })
 
+#define __put_user_nocheck_ret(x,addr,size,retval) ({ \
+register int __foo __asm__ ("l1"); \
+switch (size) { \
+case 1: __put_user_asm_ret(x,b,addr,retval,__foo); break; \
+case 2: __put_user_asm_ret(x,h,addr,retval,__foo); break; \
+case 4: __put_user_asm_ret(x,,addr,retval,__foo); break; \
+case 8: __put_user_asm_ret(x,d,addr,retval,__foo); break; \
+default: if (__put_user_bad()) return retval; break; \
+} })
+
 #define __put_user_asm(x,size,addr,ret)					\
 __asm__ __volatile__(							\
 	"/* Put user asm, inline. */\n"					\
@@ -149,6 +170,32 @@ __asm__ __volatile__(							\
        : "=&r" (ret) : "r" (x), "m" (*__m(addr)),			\
 	 "i" (-EFAULT))
 
+#define __put_user_asm_ret(x,size,addr,ret,foo)				\
+if (__builtin_constant_p(ret) && ret == -EFAULT)			\
+__asm__ __volatile__(							\
+	"/* Put user asm ret, inline. */\n"				\
+"1:\t"	"st"#size " %1, %2\n\n\t"					\
+	".section __ex_table,#alloc\n\t"				\
+	".align	4\n\t"							\
+	".word	1b, __ret_efault\n\n\t"					\
+	".previous\n\n\t"						\
+       : "=r" (foo) : "r" (x), "m" (*__m(addr)));			\
+else									\
+__asm__ __volatile(							\
+	"/* Put user asm ret, inline. */\n"				\
+"1:\t"	"st"#size " %1, %2\n\n\t"					\
+	".section .fixup,#alloc,#execinstr\n\t"				\
+	".align	4\n"							\
+"3:\n\t"								\
+	"ret\n\t"							\
+	" restore %%g0, %3, %%o0\n\t"					\
+	".previous\n\n\t"						\
+	".section __ex_table,#alloc\n\t"				\
+	".align	4\n\t"							\
+	".word	1b, 3b\n\n\t"						\
+	".previous\n\n\t"						\
+       : "=r" (foo) : "r" (x), "m" (*__m(addr)), "i" (ret))
+
 extern int __put_user_bad(void);
 
 #define __get_user_check(x,addr,size,type) ({ \