__asm__ __volatile__ ("wr %%g0, %0, %%asi" : : "r" ((val).seg)); \
} while(0)
-#define __user_ok(addr,size) 1
-#define __kernel_ok (segment_eq(get_fs(), KERNEL_DS))
-#define __access_ok(addr,size) 1
-#define access_ok(type,addr,size) 1
+static inline int __access_ok(const void __user * addr, unsigned long size)
+{
+ return 1;
+}
-static inline int verify_area(int type, const void __user * addr, unsigned long size)
+static inline int access_ok(int type, const void __user * addr, unsigned long size)
{
- return 0;
+ return 1;
}
/*
* with the main instruction path. This means when everything is well,
* we don't even have to jump over them. Further, they do not intrude
* on our cache or tlb entries.
- *
- * There is a special way how to put a range of potentially faulting
- * insns (like twenty ldd/std's with now intervening other instructions)
- * You specify address of first in insn and 0 in fixup and in the next
- * exception_table_entry you specify last potentially faulting insn + 1
- * and in fixup the routine which should handle the fault.
- * That fixup code will get
- * (faulting_insn_address - first_insn_in_the_range_address)/4
- * in %g2 (ie. index of the faulting instruction in the range).
*/
-struct exception_table_entry
-{
- unsigned insn, fixup;
+struct exception_table_entry {
+ unsigned int insn, fixup;
};
-/* Special exable search, which handles ranges. Returns fixup */
-unsigned long search_extables_range(unsigned long addr, unsigned long *g2);
-
extern void __ret_efault(void);
+extern void __retl_efault(void);
/* Uh, these should become the main single-value transfer routines..
* They automatically use the right size if we just have the right
default: __pu_ret = __put_user_bad(); break; \
} __pu_ret; })
-#define __put_user_nocheck_ret(data,addr,size,retval) ({ \
-register int __foo __asm__ ("l1"); \
-switch (size) { \
-case 1: __put_user_asm_ret(data,b,addr,retval,__foo); break; \
-case 2: __put_user_asm_ret(data,h,addr,retval,__foo); break; \
-case 4: __put_user_asm_ret(data,w,addr,retval,__foo); break; \
-case 8: __put_user_asm_ret(data,x,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" \
"b 2b\n\t" \
" mov %3, %0\n\n\t" \
".previous\n\t" \
- ".section __ex_table,#alloc\n\t" \
+ ".section __ex_table,\"a\"\n\t" \
".align 4\n\t" \
".word 1b, 3b\n\t" \
".previous\n\n\t" \
: "=r" (ret) : "r" (x), "r" (__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 "a %1, [%2] %%asi\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), "r" (__m(addr))); \
-else \
-__asm__ __volatile__( \
- "/* Put user asm ret, inline. */\n" \
-"1:\t" "st"#size "a %1, [%2] %%asi\n\n\t" \
- ".section .fixup,#alloc,#execinstr\n\t" \
- ".align 4\n" \
-"3:\n\t" \
- "ret\n\t" \
- " restore %%g0, %3, %%o0\n\n\t" \
- ".previous\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), "r" (__m(addr)), \
- "i" (ret))
-
extern int __put_user_bad(void);
#define __get_user_nocheck(data,addr,size,type) ({ \
"b 2b\n\t" \
" mov %3, %0\n\n\t" \
".previous\n\t" \
- ".section __ex_table,#alloc\n\t" \
+ ".section __ex_table,\"a\"\n\t" \
".align 4\n\t" \
".word 1b, 3b\n\n\t" \
".previous\n\t" \
__asm__ __volatile__( \
"/* Get user asm ret, inline. */\n" \
"1:\t" "ld"#size "a [%1] %%asi, %0\n\n\t" \
- ".section __ex_table,#alloc\n\t" \
+ ".section __ex_table,\"a\"\n\t" \
".align 4\n\t" \
".word 1b,__ret_efault\n\n\t" \
".previous\n\t" \
"ret\n\t" \
" restore %%g0, %2, %%o0\n\n\t" \
".previous\n\t" \
- ".section __ex_table,#alloc\n\t" \
+ ".section __ex_table,\"a\"\n\t" \
".align 4\n\t" \
".word 1b, 3b\n\n\t" \
".previous\n\t" \
extern int __get_user_bad(void);
-extern unsigned long ___copy_from_user(void *to, const void __user *from,
- unsigned long size);
+extern unsigned long __must_check ___copy_from_user(void *to,
+ const void __user *from,
+ unsigned long size);
extern unsigned long copy_from_user_fixup(void *to, const void __user *from,
unsigned long size);
-static inline unsigned long copy_from_user(void *to, const void __user *from,
- unsigned long size)
+static inline unsigned long __must_check
+copy_from_user(void *to, const void __user *from, unsigned long size)
{
unsigned long ret = ___copy_from_user(to, from, size);
- if (ret)
+ if (unlikely(ret))
ret = copy_from_user_fixup(to, from, size);
return ret;
}
#define __copy_from_user copy_from_user
-extern unsigned long ___copy_to_user(void __user *to, const void *from,
- unsigned long size);
+extern unsigned long __must_check ___copy_to_user(void __user *to,
+ const void *from,
+ unsigned long size);
extern unsigned long copy_to_user_fixup(void __user *to, const void *from,
unsigned long size);
-static inline unsigned long copy_to_user(void __user *to, const void *from,
- unsigned long size)
+static inline unsigned long __must_check
+copy_to_user(void __user *to, const void *from, unsigned long size)
{
unsigned long ret = ___copy_to_user(to, from, size);
- if (ret)
+ if (unlikely(ret))
ret = copy_to_user_fixup(to, from, size);
return ret;
}
#define __copy_to_user copy_to_user
-extern unsigned long ___copy_in_user(void __user *to, const void __user *from,
- unsigned long size);
+extern unsigned long __must_check ___copy_in_user(void __user *to,
+ const void __user *from,
+ unsigned long size);
extern unsigned long copy_in_user_fixup(void __user *to, void __user *from,
unsigned long size);
-static inline unsigned long copy_in_user(void __user *to, void __user *from,
- unsigned long size)
+static inline unsigned long __must_check
+copy_in_user(void __user *to, void __user *from, unsigned long size)
{
unsigned long ret = ___copy_in_user(to, from, size);
- if (ret)
+ if (unlikely(ret))
ret = copy_in_user_fixup(to, from, size);
return ret;
}
#define __copy_in_user copy_in_user
-extern unsigned long __bzero_noasi(void __user *, unsigned long);
-
-static inline unsigned long __clear_user(void __user *addr, unsigned long size)
-{
-
- return __bzero_noasi(addr, size);
-}
+extern unsigned long __must_check __clear_user(void __user *, unsigned long);
#define clear_user __clear_user
-extern long __strncpy_from_user(char *dest, const char __user *src, long count);
+extern long __must_check __strncpy_from_user(char *dest, const char __user *src, long count);
#define strncpy_from_user __strncpy_from_user