diff options
Diffstat (limited to 'arch/alpha/include/asm/uaccess.h')
| -rw-r--r-- | arch/alpha/include/asm/uaccess.h | 86 |
1 files changed, 43 insertions, 43 deletions
diff --git a/arch/alpha/include/asm/uaccess.h b/arch/alpha/include/asm/uaccess.h index 766fdfde2b7a..9b0d40093c9a 100644 --- a/arch/alpha/include/asm/uaccess.h +++ b/arch/alpha/include/asm/uaccess.h @@ -27,7 +27,7 @@ #define get_ds() (KERNEL_DS) #define set_fs(x) (current_thread_info()->addr_limit = (x)) -#define segment_eq(a,b) ((a).seg == (b).seg) +#define segment_eq(a, b) ((a).seg == (b).seg) /* * Is a address valid? This does a straightforward calculation rather @@ -39,13 +39,13 @@ * - AND "addr+size" doesn't have any high-bits set * - OR we are in kernel mode. */ -#define __access_ok(addr,size,segment) \ +#define __access_ok(addr, size, segment) \ (((segment).seg & (addr | size | (addr+size))) == 0) -#define access_ok(type,addr,size) \ +#define access_ok(type, addr, size) \ ({ \ __chk_user_ptr(addr); \ - __access_ok(((unsigned long)(addr)),(size),get_fs()); \ + __access_ok(((unsigned long)(addr)), (size), get_fs()); \ }) /* @@ -60,20 +60,20 @@ * (a) re-use the arguments for side effects (sizeof/typeof is ok) * (b) require any knowledge of processes at this stage */ -#define put_user(x,ptr) \ - __put_user_check((__typeof__(*(ptr)))(x),(ptr),sizeof(*(ptr)),get_fs()) -#define get_user(x,ptr) \ - __get_user_check((x),(ptr),sizeof(*(ptr)),get_fs()) +#define put_user(x, ptr) \ + __put_user_check((__typeof__(*(ptr)))(x), (ptr), sizeof(*(ptr)), get_fs()) +#define get_user(x, ptr) \ + __get_user_check((x), (ptr), sizeof(*(ptr)), get_fs()) /* * The "__xxx" versions do not do address space checking, useful when * doing multiple accesses to the same area (the programmer has to do the * checks by hand with "access_ok()") */ -#define __put_user(x,ptr) \ - __put_user_nocheck((__typeof__(*(ptr)))(x),(ptr),sizeof(*(ptr))) -#define __get_user(x,ptr) \ - __get_user_nocheck((x),(ptr),sizeof(*(ptr))) +#define __put_user(x, ptr) \ + __put_user_nocheck((__typeof__(*(ptr)))(x), (ptr), sizeof(*(ptr))) +#define __get_user(x, ptr) \ + __get_user_nocheck((x), (ptr), sizeof(*(ptr))) /* * The "lda %1, 2b-1b(%0)" bits are magic to get the assembler to @@ -84,7 +84,7 @@ extern void __get_user_unknown(void); -#define __get_user_nocheck(x,ptr,size) \ +#define __get_user_nocheck(x, ptr, size) \ ({ \ long __gu_err = 0; \ unsigned long __gu_val; \ @@ -96,16 +96,16 @@ extern void __get_user_unknown(void); case 8: __get_user_64(ptr); break; \ default: __get_user_unknown(); break; \ } \ - (x) = (__typeof__(*(ptr))) __gu_val; \ + (x) = (__force __typeof__(*(ptr))) __gu_val; \ __gu_err; \ }) -#define __get_user_check(x,ptr,size,segment) \ +#define __get_user_check(x, ptr, size, segment) \ ({ \ long __gu_err = -EFAULT; \ unsigned long __gu_val = 0; \ const __typeof__(*(ptr)) __user *__gu_addr = (ptr); \ - if (__access_ok((unsigned long)__gu_addr,size,segment)) { \ + if (__access_ok((unsigned long)__gu_addr, size, segment)) { \ __gu_err = 0; \ switch (size) { \ case 1: __get_user_8(__gu_addr); break; \ @@ -115,7 +115,7 @@ extern void __get_user_unknown(void); default: __get_user_unknown(); break; \ } \ } \ - (x) = (__typeof__(*(ptr))) __gu_val; \ + (x) = (__force __typeof__(*(ptr))) __gu_val; \ __gu_err; \ }) @@ -201,31 +201,31 @@ struct __large_struct { unsigned long buf[100]; }; extern void __put_user_unknown(void); -#define __put_user_nocheck(x,ptr,size) \ +#define __put_user_nocheck(x, ptr, size) \ ({ \ long __pu_err = 0; \ __chk_user_ptr(ptr); \ switch (size) { \ - case 1: __put_user_8(x,ptr); break; \ - case 2: __put_user_16(x,ptr); break; \ - case 4: __put_user_32(x,ptr); break; \ - case 8: __put_user_64(x,ptr); break; \ + case 1: __put_user_8(x, ptr); break; \ + case 2: __put_user_16(x, ptr); break; \ + case 4: __put_user_32(x, ptr); break; \ + case 8: __put_user_64(x, ptr); break; \ default: __put_user_unknown(); break; \ } \ __pu_err; \ }) -#define __put_user_check(x,ptr,size,segment) \ +#define __put_user_check(x, ptr, size, segment) \ ({ \ long __pu_err = -EFAULT; \ __typeof__(*(ptr)) __user *__pu_addr = (ptr); \ - if (__access_ok((unsigned long)__pu_addr,size,segment)) { \ + if (__access_ok((unsigned long)__pu_addr, size, segment)) { \ __pu_err = 0; \ switch (size) { \ - case 1: __put_user_8(x,__pu_addr); break; \ - case 2: __put_user_16(x,__pu_addr); break; \ - case 4: __put_user_32(x,__pu_addr); break; \ - case 8: __put_user_64(x,__pu_addr); break; \ + case 1: __put_user_8(x, __pu_addr); break; \ + case 2: __put_user_16(x, __pu_addr); break; \ + case 4: __put_user_32(x, __pu_addr); break; \ + case 8: __put_user_64(x, __pu_addr); break; \ default: __put_user_unknown(); break; \ } \ } \ @@ -237,7 +237,7 @@ extern void __put_user_unknown(void); * instead of writing: this is because they do not write to * any memory gcc knows about, so there are no aliasing issues */ -#define __put_user_64(x,addr) \ +#define __put_user_64(x, addr) \ __asm__ __volatile__("1: stq %r2,%1\n" \ "2:\n" \ ".section __ex_table,\"a\"\n" \ @@ -247,7 +247,7 @@ __asm__ __volatile__("1: stq %r2,%1\n" \ : "=r"(__pu_err) \ : "m" (__m(addr)), "rJ" (x), "0"(__pu_err)) -#define __put_user_32(x,addr) \ +#define __put_user_32(x, addr) \ __asm__ __volatile__("1: stl %r2,%1\n" \ "2:\n" \ ".section __ex_table,\"a\"\n" \ @@ -260,7 +260,7 @@ __asm__ __volatile__("1: stl %r2,%1\n" \ #ifdef __alpha_bwx__ /* Those lucky bastards with ev56 and later CPUs can do byte/word moves. */ -#define __put_user_16(x,addr) \ +#define __put_user_16(x, addr) \ __asm__ __volatile__("1: stw %r2,%1\n" \ "2:\n" \ ".section __ex_table,\"a\"\n" \ @@ -270,7 +270,7 @@ __asm__ __volatile__("1: stw %r2,%1\n" \ : "=r"(__pu_err) \ : "m"(__m(addr)), "rJ"(x), "0"(__pu_err)) -#define __put_user_8(x,addr) \ +#define __put_user_8(x, addr) \ __asm__ __volatile__("1: stb %r2,%1\n" \ "2:\n" \ ".section __ex_table,\"a\"\n" \ @@ -283,7 +283,7 @@ __asm__ __volatile__("1: stb %r2,%1\n" \ /* Unfortunately, we can't get an unaligned access trap for the sub-word write, so we have to do a general unaligned operation. */ -#define __put_user_16(x,addr) \ +#define __put_user_16(x, addr) \ { \ long __pu_tmp1, __pu_tmp2, __pu_tmp3, __pu_tmp4; \ __asm__ __volatile__( \ @@ -308,13 +308,13 @@ __asm__ __volatile__("1: stb %r2,%1\n" \ " .long 4b - .\n" \ " lda $31, 5b-4b(%0)\n" \ ".previous" \ - : "=r"(__pu_err), "=&r"(__pu_tmp1), \ - "=&r"(__pu_tmp2), "=&r"(__pu_tmp3), \ + : "=r"(__pu_err), "=&r"(__pu_tmp1), \ + "=&r"(__pu_tmp2), "=&r"(__pu_tmp3), \ "=&r"(__pu_tmp4) \ : "r"(addr), "r"((unsigned long)(x)), "0"(__pu_err)); \ } -#define __put_user_8(x,addr) \ +#define __put_user_8(x, addr) \ { \ long __pu_tmp1, __pu_tmp2; \ __asm__ __volatile__( \ @@ -330,7 +330,7 @@ __asm__ __volatile__("1: stb %r2,%1\n" \ " .long 2b - .\n" \ " lda $31, 3b-2b(%0)\n" \ ".previous" \ - : "=r"(__pu_err), \ + : "=r"(__pu_err), \ "=&r"(__pu_tmp1), "=&r"(__pu_tmp2) \ : "r"((unsigned long)(x)), "r"(addr), "0"(__pu_err)); \ } @@ -366,7 +366,7 @@ __copy_tofrom_user_nocheck(void *to, const void *from, long len) : "=r" (__cu_len), "=r" (__cu_from), "=r" (__cu_to) : __module_address(__copy_user) "0" (__cu_len), "1" (__cu_from), "2" (__cu_to) - : "$1","$2","$3","$4","$5","$28","memory"); + : "$1", "$2", "$3", "$4", "$5", "$28", "memory"); return __cu_len; } @@ -379,15 +379,15 @@ __copy_tofrom_user(void *to, const void *from, long len, const void __user *vali return len; } -#define __copy_to_user(to,from,n) \ +#define __copy_to_user(to, from, n) \ ({ \ __chk_user_ptr(to); \ - __copy_tofrom_user_nocheck((__force void *)(to),(from),(n)); \ + __copy_tofrom_user_nocheck((__force void *)(to), (from), (n)); \ }) -#define __copy_from_user(to,from,n) \ +#define __copy_from_user(to, from, n) \ ({ \ __chk_user_ptr(from); \ - __copy_tofrom_user_nocheck((to),(__force void *)(from),(n)); \ + __copy_tofrom_user_nocheck((to), (__force void *)(from), (n)); \ }) #define __copy_to_user_inatomic __copy_to_user @@ -418,7 +418,7 @@ __clear_user(void __user *to, long len) : "=r"(__cl_len), "=r"(__cl_to) : __module_address(__do_clear_user) "0"(__cl_len), "1"(__cl_to) - : "$1","$2","$3","$4","$5","$28","memory"); + : "$1", "$2", "$3", "$4", "$5", "$28", "memory"); return __cl_len; } |