[PARISC] add ASM_EXCEPTIONTABLE_ENTRY() macro
- this macro unifies the code to add exception table entries
- additionally use ENTRY()/ENDPROC() at more places
Signed-off-by: Helge Deller <deller@gmx.de>
Signed-off-by: Kyle McMartin <kyle@parisc-linux.org>
diff --git a/arch/parisc/lib/fixup.S b/arch/parisc/lib/fixup.S
index ecce3d3..d172d42 100644
--- a/arch/parisc/lib/fixup.S
+++ b/arch/parisc/lib/fixup.S
@@ -22,6 +22,7 @@
#include <asm/asm-offsets.h>
#include <asm/assembly.h>
#include <asm/errno.h>
+#include <linux/linkage.h>
#ifdef CONFIG_SMP
.macro get_fault_ip t1 t2
@@ -30,7 +31,7 @@
/* t2 = smp_processor_id() */
mfctl 30,\t2
ldw TI_CPU(\t2),\t2
-#ifdef __LP64__
+#ifdef CONFIG_64BIT
extrd,u \t2,63,32,\t2
#endif
/* t2 = &__per_cpu_offset[smp_processor_id()]; */
@@ -58,33 +59,34 @@
.section .fixup, "ax"
/* get_user() fixups, store -EFAULT in r8, and 0 in r9 */
- .export fixup_get_user_skip_1
-fixup_get_user_skip_1:
+ENTRY(fixup_get_user_skip_1)
get_fault_ip %r1,%r8
ldo 4(%r1), %r1
ldi -EFAULT, %r8
bv %r0(%r1)
copy %r0, %r9
+ENDPROC(fixup_get_user_skip_1)
- .export fixup_get_user_skip_2
-fixup_get_user_skip_2:
+ENTRY(fixup_get_user_skip_2)
get_fault_ip %r1,%r8
ldo 8(%r1), %r1
ldi -EFAULT, %r8
bv %r0(%r1)
copy %r0, %r9
+ENDPROC(fixup_get_user_skip_2)
/* put_user() fixups, store -EFAULT in r8 */
- .export fixup_put_user_skip_1
-fixup_put_user_skip_1:
+ENTRY(fixup_put_user_skip_1)
get_fault_ip %r1,%r8
ldo 4(%r1), %r1
bv %r0(%r1)
ldi -EFAULT, %r8
+ENDPROC(fixup_put_user_skip_1)
- .export fixup_put_user_skip_2
-fixup_put_user_skip_2:
+ENTRY(fixup_put_user_skip_2)
get_fault_ip %r1,%r8
ldo 8(%r1), %r1
bv %r0(%r1)
ldi -EFAULT, %r8
+ENDPROC(fixup_put_user_skip_2)
+
diff --git a/arch/parisc/lib/lusercopy.S b/arch/parisc/lib/lusercopy.S
index a050985..1bd23cc 100644
--- a/arch/parisc/lib/lusercopy.S
+++ b/arch/parisc/lib/lusercopy.S
@@ -37,6 +37,7 @@
#include <asm/assembly.h>
#include <asm/errno.h>
+#include <linux/linkage.h>
/*
* get_sr gets the appropriate space value into
@@ -67,8 +68,7 @@
* otherwise strlen (i.e. excludes zero byte)
*/
- .export lstrncpy_from_user,code
-lstrncpy_from_user:
+ENTRY(lstrncpy_from_user)
.proc
.callinfo NO_CALLS
.entry
@@ -87,6 +87,7 @@
bv %r0(%r2)
nop
.exit
+ENDPROC(lstrncpy_from_user)
.section .fixup,"ax"
3: fixup_branch $lsfu_exit
@@ -94,13 +95,8 @@
.previous
.section __ex_table,"aw"
-#ifdef __LP64__
- .dword 1b,3b
- .dword 2b,3b
-#else
- .word 1b,3b
- .word 2b,3b
-#endif
+ ASM_ULONG_INSN 1b,3b
+ ASM_ULONG_INSN 2b,3b
.previous
.procend
@@ -112,8 +108,7 @@
* otherwise, returns number of bytes not transferred.
*/
- .export lclear_user,code
-lclear_user:
+ENTRY(lclear_user)
.proc
.callinfo NO_CALLS
.entry
@@ -127,6 +122,7 @@
bv %r0(%r2)
copy %r25,%r28
.exit
+ENDPROC(lclear_user)
.section .fixup,"ax"
2: fixup_branch $lclu_done
@@ -134,11 +130,7 @@
.previous
.section __ex_table,"aw"
-#ifdef __LP64__
- .dword 1b,2b
-#else
- .word 1b,2b
-#endif
+ ASM_ULONG_INSN 1b,2b
.previous
.procend
@@ -151,8 +143,7 @@
* else strlen + 1 (i.e. includes zero byte).
*/
- .export lstrnlen_user,code
-lstrnlen_user:
+ENTRY(lstrnlen_user)
.proc
.callinfo NO_CALLS
.entry
@@ -172,6 +163,7 @@
$lslen_nzero:
b $lslen_done
ldo 1(%r26),%r26 /* special case for N == 0 */
+ENDPROC(lstrnlen_user)
.section .fixup,"ax"
3: fixup_branch $lslen_done
@@ -179,13 +171,8 @@
.previous
.section __ex_table,"aw"
-#ifdef __LP64__
- .dword 1b,3b
- .dword 2b,3b
-#else
- .word 1b,3b
- .word 2b,3b
-#endif
+ ASM_ULONG_INSN 1b,3b
+ ASM_ULONG_INSN 2b,3b
.previous
.procend
diff --git a/arch/parisc/lib/memcpy.c b/arch/parisc/lib/memcpy.c
index 5575e41..2c43ebe 100644
--- a/arch/parisc/lib/memcpy.c
+++ b/arch/parisc/lib/memcpy.c
@@ -96,30 +96,18 @@
#define DPRINTF(fmt, args...)
#endif
-#ifndef __LP64__
-#define EXC_WORD ".word"
-#else
-#define EXC_WORD ".dword"
-#endif
-
#define def_load_ai_insn(_insn,_sz,_tt,_s,_a,_t,_e) \
__asm__ __volatile__ ( \
- "1:\t" #_insn ",ma " #_sz "(" _s ",%1), %0\n" \
- "\t.section __ex_table,\"aw\"\n" \
- "\t" EXC_WORD "\t1b\n" \
- "\t" EXC_WORD "\t" #_e "\n" \
- "\t.previous\n" \
+ "1:\t" #_insn ",ma " #_sz "(" _s ",%1), %0\n\t" \
+ ASM_EXCEPTIONTABLE_ENTRY(1b,_e) \
: _tt(_t), "+r"(_a) \
: \
: "r8")
#define def_store_ai_insn(_insn,_sz,_tt,_s,_a,_t,_e) \
__asm__ __volatile__ ( \
- "1:\t" #_insn ",ma %1, " #_sz "(" _s ",%0)\n" \
- "\t.section __ex_table,\"aw\"\n" \
- "\t" EXC_WORD "\t1b\n" \
- "\t" EXC_WORD "\t" #_e "\n" \
- "\t.previous\n" \
+ "1:\t" #_insn ",ma %1, " #_sz "(" _s ",%0)\n\t" \
+ ASM_EXCEPTIONTABLE_ENTRY(1b,_e) \
: "+r"(_a) \
: _tt(_t) \
: "r8")
@@ -133,22 +121,16 @@
#define def_load_insn(_insn,_tt,_s,_o,_a,_t,_e) \
__asm__ __volatile__ ( \
- "1:\t" #_insn " " #_o "(" _s ",%1), %0\n" \
- "\t.section __ex_table,\"aw\"\n" \
- "\t" EXC_WORD "\t1b\n" \
- "\t" EXC_WORD "\t" #_e "\n" \
- "\t.previous\n" \
+ "1:\t" #_insn " " #_o "(" _s ",%1), %0\n\t" \
+ ASM_EXCEPTIONTABLE_ENTRY(1b,_e) \
: _tt(_t) \
: "r"(_a) \
: "r8")
#define def_store_insn(_insn,_tt,_s,_t,_o,_a,_e) \
__asm__ __volatile__ ( \
- "1:\t" #_insn " %0, " #_o "(" _s ",%1)\n" \
- "\t.section __ex_table,\"aw\"\n" \
- "\t" EXC_WORD "\t1b\n" \
- "\t" EXC_WORD "\t" #_e "\n" \
- "\t.previous\n" \
+ "1:\t" #_insn " %0, " #_o "(" _s ",%1)\n\t" \
+ ASM_EXCEPTIONTABLE_ENTRY(1b,_e) \
: \
: _tt(_t), "r"(_a) \
: "r8")
@@ -167,8 +149,8 @@
__asm__("ldd 0(" d_space ",%0), %%r0" : : "r" (addr));
}
#else
-#define prefetch_src(addr)
-#define prefetch_dst(addr)
+#define prefetch_src(addr) do { } while(0)
+#define prefetch_dst(addr) do { } while(0)
#endif
/* Copy from a not-aligned src to an aligned dst, using shifts. Handles 4 words