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-rw-r--r--arch/alpha/include/asm/futex.h16
-rw-r--r--arch/alpha/include/asm/uaccess.h80
2 files changed, 26 insertions, 70 deletions
diff --git a/arch/alpha/include/asm/futex.h b/arch/alpha/include/asm/futex.h
index f939794363ac..fb01dfb760c2 100644
--- a/arch/alpha/include/asm/futex.h
+++ b/arch/alpha/include/asm/futex.h
@@ -19,12 +19,8 @@
"3: .subsection 2\n" \
"4: br 1b\n" \
" .previous\n" \
- " .section __ex_table,\"a\"\n" \
- " .long 1b-.\n" \
- " lda $31,3b-1b(%1)\n" \
- " .long 2b-.\n" \
- " lda $31,3b-2b(%1)\n" \
- " .previous\n" \
+ EXC(1b,3b,%1,$31) \
+ EXC(2b,3b,%1,$31) \
: "=&r" (oldval), "=&r"(ret) \
: "r" (uaddr), "r"(oparg) \
: "memory")
@@ -101,12 +97,8 @@ futex_atomic_cmpxchg_inatomic(u32 *uval, u32 __user *uaddr,
"3: .subsection 2\n"
"4: br 1b\n"
" .previous\n"
- " .section __ex_table,\"a\"\n"
- " .long 1b-.\n"
- " lda $31,3b-1b(%0)\n"
- " .long 2b-.\n"
- " lda $31,3b-2b(%0)\n"
- " .previous\n"
+ EXC(1b,3b,%0,$31)
+ EXC(2b,3b,%0,$31)
: "+r"(ret), "=&r"(prev), "=&r"(cmp)
: "r"(uaddr), "r"((long)(int)oldval), "r"(newval)
: "memory");
diff --git a/arch/alpha/include/asm/uaccess.h b/arch/alpha/include/asm/uaccess.h
index 54c1d19ef06d..9557c12823a9 100644
--- a/arch/alpha/include/asm/uaccess.h
+++ b/arch/alpha/include/asm/uaccess.h
@@ -74,6 +74,11 @@
* more extensive comments with fixup_inline_exception below for
* more information.
*/
+#define EXC(label,cont,res,err) \
+ ".section __ex_table,\"a\"\n" \
+ " .long "#label"-.\n" \
+ " lda "#res","#cont"-"#label"("#err")\n" \
+ ".previous\n"
extern void __get_user_unknown(void);
@@ -118,20 +123,14 @@ struct __large_struct { unsigned long buf[100]; };
#define __get_user_64(addr) \
__asm__("1: ldq %0,%2\n" \
"2:\n" \
- ".section __ex_table,\"a\"\n" \
- " .long 1b - .\n" \
- " lda %0, 2b-1b(%1)\n" \
- ".previous" \
+ EXC(1b,2b,%0,%1) \
: "=r"(__gu_val), "=r"(__gu_err) \
: "m"(__m(addr)), "1"(__gu_err))
#define __get_user_32(addr) \
__asm__("1: ldl %0,%2\n" \
"2:\n" \
- ".section __ex_table,\"a\"\n" \
- " .long 1b - .\n" \
- " lda %0, 2b-1b(%1)\n" \
- ".previous" \
+ EXC(1b,2b,%0,%1) \
: "=r"(__gu_val), "=r"(__gu_err) \
: "m"(__m(addr)), "1"(__gu_err))
@@ -141,20 +140,14 @@ struct __large_struct { unsigned long buf[100]; };
#define __get_user_16(addr) \
__asm__("1: ldwu %0,%2\n" \
"2:\n" \
- ".section __ex_table,\"a\"\n" \
- " .long 1b - .\n" \
- " lda %0, 2b-1b(%1)\n" \
- ".previous" \
+ EXC(1b,2b,%0,%1) \
: "=r"(__gu_val), "=r"(__gu_err) \
: "m"(__m(addr)), "1"(__gu_err))
#define __get_user_8(addr) \
__asm__("1: ldbu %0,%2\n" \
"2:\n" \
- ".section __ex_table,\"a\"\n" \
- " .long 1b - .\n" \
- " lda %0, 2b-1b(%1)\n" \
- ".previous" \
+ EXC(1b,2b,%0,%1) \
: "=r"(__gu_val), "=r"(__gu_err) \
: "m"(__m(addr)), "1"(__gu_err))
#else
@@ -170,12 +163,8 @@ struct __large_struct { unsigned long buf[100]; };
" extwh %1,%3,%1\n" \
" or %0,%1,%0\n" \
"3:\n" \
- ".section __ex_table,\"a\"\n" \
- " .long 1b - .\n" \
- " lda %0, 3b-1b(%2)\n" \
- " .long 2b - .\n" \
- " lda %0, 3b-2b(%2)\n" \
- ".previous" \
+ EXC(1b,3b,%0,%2) \
+ EXC(2b,3b,%0,%2) \
: "=&r"(__gu_val), "=&r"(__gu_tmp), "=r"(__gu_err) \
: "r"(addr), "2"(__gu_err)); \
}
@@ -184,10 +173,7 @@ struct __large_struct { unsigned long buf[100]; };
__asm__("1: ldq_u %0,0(%2)\n" \
" extbl %0,%2,%0\n" \
"2:\n" \
- ".section __ex_table,\"a\"\n" \
- " .long 1b - .\n" \
- " lda %0, 2b-1b(%1)\n" \
- ".previous" \
+ EXC(1b,2b,%0,%1) \
: "=&r"(__gu_val), "=r"(__gu_err) \
: "r"(addr), "1"(__gu_err))
#endif
@@ -233,20 +219,14 @@ extern void __put_user_unknown(void);
#define __put_user_64(x, addr) \
__asm__ __volatile__("1: stq %r2,%1\n" \
"2:\n" \
- ".section __ex_table,\"a\"\n" \
- " .long 1b - .\n" \
- " lda $31,2b-1b(%0)\n" \
- ".previous" \
+ EXC(1b,2b,$31,%0) \
: "=r"(__pu_err) \
: "m" (__m(addr)), "rJ" (x), "0"(__pu_err))
#define __put_user_32(x, addr) \
__asm__ __volatile__("1: stl %r2,%1\n" \
"2:\n" \
- ".section __ex_table,\"a\"\n" \
- " .long 1b - .\n" \
- " lda $31,2b-1b(%0)\n" \
- ".previous" \
+ EXC(1b,2b,$31,%0) \
: "=r"(__pu_err) \
: "m"(__m(addr)), "rJ"(x), "0"(__pu_err))
@@ -256,20 +236,14 @@ __asm__ __volatile__("1: stl %r2,%1\n" \
#define __put_user_16(x, addr) \
__asm__ __volatile__("1: stw %r2,%1\n" \
"2:\n" \
- ".section __ex_table,\"a\"\n" \
- " .long 1b - .\n" \
- " lda $31,2b-1b(%0)\n" \
- ".previous" \
+ EXC(1b,2b,$31,%0) \
: "=r"(__pu_err) \
: "m"(__m(addr)), "rJ"(x), "0"(__pu_err))
#define __put_user_8(x, addr) \
__asm__ __volatile__("1: stb %r2,%1\n" \
"2:\n" \
- ".section __ex_table,\"a\"\n" \
- " .long 1b - .\n" \
- " lda $31,2b-1b(%0)\n" \
- ".previous" \
+ EXC(1b,2b,$31,%0) \
: "=r"(__pu_err) \
: "m"(__m(addr)), "rJ"(x), "0"(__pu_err))
#else
@@ -291,16 +265,10 @@ __asm__ __volatile__("1: stb %r2,%1\n" \
"3: stq_u %2,1(%5)\n" \
"4: stq_u %1,0(%5)\n" \
"5:\n" \
- ".section __ex_table,\"a\"\n" \
- " .long 1b - .\n" \
- " lda $31, 5b-1b(%0)\n" \
- " .long 2b - .\n" \
- " lda $31, 5b-2b(%0)\n" \
- " .long 3b - .\n" \
- " lda $31, 5b-3b(%0)\n" \
- " .long 4b - .\n" \
- " lda $31, 5b-4b(%0)\n" \
- ".previous" \
+ EXC(1b,5b,$31,%0) \
+ EXC(2b,5b,$31,%0) \
+ EXC(3b,5b,$31,%0) \
+ EXC(4b,5b,$31,%0) \
: "=r"(__pu_err), "=&r"(__pu_tmp1), \
"=&r"(__pu_tmp2), "=&r"(__pu_tmp3), \
"=&r"(__pu_tmp4) \
@@ -317,12 +285,8 @@ __asm__ __volatile__("1: stb %r2,%1\n" \
" or %1,%2,%1\n" \
"2: stq_u %1,0(%4)\n" \
"3:\n" \
- ".section __ex_table,\"a\"\n" \
- " .long 1b - .\n" \
- " lda $31, 3b-1b(%0)\n" \
- " .long 2b - .\n" \
- " lda $31, 3b-2b(%0)\n" \
- ".previous" \
+ EXC(1b,3b,$31,%0) \
+ EXC(2b,3b,$31,%0) \
: "=r"(__pu_err), \
"=&r"(__pu_tmp1), "=&r"(__pu_tmp2) \
: "r"((unsigned long)(x)), "r"(addr), "0"(__pu_err)); \
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-02 08:35:32 +0100