[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>

6 files changed, 62 insertions, 180 deletions

diff --git a/arch/parisc/kernel/pacache.S b/arch/parisc/kernel/pacache.S
index 75d522e..90b2408 100644
--- a/arch/parisc/kernel/pacache.S
+++ b/arch/parisc/kernel/pacache.S
@@ -27,20 +27,11 @@
  */
 
 #ifdef CONFIG_64BIT
-#define ADDIB	addib,*
-#define CMPB	cmpb,*
-#define ANDCM	andcm,*
-
 	.level	2.0w
 #else
-#define ADDIB	addib,
-#define CMPB	cmpb,
-#define ANDCM	andcm
-
 	.level	2.0
 #endif
 
-
 #include <asm/psw.h>
 #include <asm/assembly.h>
 #include <asm/pgtable.h>
diff --git a/arch/parisc/kernel/syscall.S b/arch/parisc/kernel/syscall.S
index de1812d..10859f5 100644
--- a/arch/parisc/kernel/syscall.S
+++ b/arch/parisc/kernel/syscall.S
@@ -23,19 +23,7 @@
 	 */
 #define KILL_INSN	break	0,0
 
-#ifdef CONFIG_64BIT
-	.level          2.0w
-#else
-	.level		1.1
-#endif
-
-/* on 64bit pad to 64bit values */
-#ifdef CONFIG_64BIT
-#define ULONG_WORD(x)	.word 0, x
-#else
-#define ULONG_WORD(x)	.word x
-#endif
-
+	.level          LEVEL
 
 	.text
 
@@ -603,16 +591,10 @@ cas_action:
 	   the other for the store. Either return -EFAULT.
 	   Each of the entries must be relocated. */
 	.section __ex_table,"aw"
-	ULONG_WORD(2b - linux_gateway_page)
-	ULONG_WORD(3b - linux_gateway_page)
-	.previous
-
-	.section __ex_table,"aw"
-	ULONG_WORD(1b - linux_gateway_page)
-	ULONG_WORD(3b - linux_gateway_page)
+	ASM_ULONG_INSN (1b - linux_gateway_page), (3b - linux_gateway_page)
+	ASM_ULONG_INSN (2b - linux_gateway_page), (3b - linux_gateway_page)
 	.previous
 
-end_compare_and_swap:
 
 	/* Make sure nothing else is placed on this page */
 	.align ASM_PAGE_SIZE
@@ -622,7 +604,7 @@ ENTRY(end_linux_gateway_page)
 	/* Relocate symbols assuming linux_gateway_page is mapped
 	   to virtual address 0x0 */
 
-#define LWS_ENTRY(_name_) ULONG_WORD(lws_##_name_ - linux_gateway_page)
+#define LWS_ENTRY(_name_) ASM_ULONG_INSN (lws_##_name_ - linux_gateway_page)
 
 	.section .rodata,"a"
 
diff --git a/arch/parisc/kernel/unaligned.c b/arch/parisc/kernel/unaligned.c
index 58ca443..347bb92 100644
--- a/arch/parisc/kernel/unaligned.c
+++ b/arch/parisc/kernel/unaligned.c
@@ -35,7 +35,7 @@
 #define DPRINTF(fmt, args...)
 #endif
 
-#ifdef __LP64__
+#ifdef CONFIG_64BIT
 #define RFMT "%016lx"
 #else
 #define RFMT "%08lx"
@@ -150,15 +150,8 @@ static int emulate_ldh(struct pt_regs *regs, int toreg)
 "4:	ldi	-2, %1\n"
 	FIXUP_BRANCH(3b)
 "	.previous\n"
-"	.section __ex_table,\"aw\"\n"
-#ifdef __LP64__
-"	.dword	1b,4b\n"
-"	.dword  2b,4b\n"
-#else
-"	.word	1b,4b\n"
-"	.word	2b,4b\n"
-#endif
-"	.previous\n"
+	ASM_EXCEPTIONTABLE_ENTRY(1b, 4b)
+	ASM_EXCEPTIONTABLE_ENTRY(2b, 4b)
 	: "=r" (val), "=r" (ret)
 	: "0" (val), "r" (saddr), "r" (regs->isr)
 	: "r20", FIXUP_BRANCH_CLOBBER );
@@ -195,15 +188,8 @@ static int emulate_ldw(struct pt_regs *regs, int toreg, int flop)
 "4:	ldi	-2, %1\n"
 	FIXUP_BRANCH(3b)
 "	.previous\n"
-"	.section __ex_table,\"aw\"\n"
-#ifdef __LP64__
-"	.dword	1b,4b\n"
-"	.dword  2b,4b\n"
-#else
-"	.word	1b,4b\n"
-"	.word	2b,4b\n"
-#endif
-"	.previous\n"
+	ASM_EXCEPTIONTABLE_ENTRY(1b, 4b)
+	ASM_EXCEPTIONTABLE_ENTRY(2b, 4b)
 	: "=r" (val), "=r" (ret)
 	: "0" (val), "r" (saddr), "r" (regs->isr)
 	: "r19", "r20", FIXUP_BRANCH_CLOBBER );
@@ -227,7 +213,7 @@ static int emulate_ldd(struct pt_regs *regs, int toreg, int flop)
 		regs->isr, regs->ior, toreg);
 #ifdef CONFIG_PA20
 
-#ifndef __LP64__
+#ifndef CONFIG_64BIT
 	if (!flop)
 		return -1;
 #endif
@@ -246,15 +232,8 @@ static int emulate_ldd(struct pt_regs *regs, int toreg, int flop)
 "4:	ldi	-2, %1\n"
 	FIXUP_BRANCH(3b)
 "	.previous\n"
-"	.section __ex_table,\"aw\"\n"
-#ifdef __LP64__
-"	.dword	1b,4b\n"
-"	.dword  2b,4b\n"
-#else
-"	.word	1b,4b\n"
-"	.word	2b,4b\n"
-#endif
-"	.previous\n"
+	ASM_EXCEPTIONTABLE_ENTRY(1b,4b)
+	ASM_EXCEPTIONTABLE_ENTRY(2b,4b)
 	: "=r" (val), "=r" (ret)
 	: "0" (val), "r" (saddr), "r" (regs->isr)
 	: "r19", "r20", FIXUP_BRANCH_CLOBBER );
@@ -278,17 +257,9 @@ static int emulate_ldd(struct pt_regs *regs, int toreg, int flop)
 "5:	ldi	-2, %2\n"
 	FIXUP_BRANCH(4b)
 "	.previous\n"
-"	.section __ex_table,\"aw\"\n"
-#ifdef __LP64__
-"	.dword	1b,5b\n"
-"	.dword  2b,5b\n"
-"	.dword	3b,5b\n"
-#else
-"	.word	1b,5b\n"
-"	.word	2b,5b\n"
-"	.word	3b,5b\n"
-#endif
-"	.previous\n"
+	ASM_EXCEPTIONTABLE_ENTRY(1b,5b)
+	ASM_EXCEPTIONTABLE_ENTRY(2b,5b)
+	ASM_EXCEPTIONTABLE_ENTRY(3b,5b)
 	: "=r" (valh), "=r" (vall), "=r" (ret)
 	: "0" (valh), "1" (vall), "r" (saddr), "r" (regs->isr)
 	: "r19", "r20", FIXUP_BRANCH_CLOBBER );
@@ -328,15 +299,8 @@ static int emulate_sth(struct pt_regs *regs, int frreg)
 "4:	ldi	-2, %0\n"
 	FIXUP_BRANCH(3b)
 "	.previous\n"
-"	.section __ex_table,\"aw\"\n"
-#ifdef __LP64__
-"	.dword	1b,4b\n"
-"	.dword  2b,4b\n"
-#else
-"	.word	1b,4b\n"
-"	.word	2b,4b\n"
-#endif
-"	.previous\n"
+	ASM_EXCEPTIONTABLE_ENTRY(1b,4b)
+	ASM_EXCEPTIONTABLE_ENTRY(2b,4b)
 	: "=r" (ret)
 	: "r" (val), "r" (regs->ior), "r" (regs->isr)
 	: "r19", FIXUP_BRANCH_CLOBBER );
@@ -382,15 +346,8 @@ static int emulate_stw(struct pt_regs *regs, int frreg, int flop)
 "4:	ldi	-2, %0\n"
 	FIXUP_BRANCH(3b)
 "	.previous\n"
-"	.section __ex_table,\"aw\"\n"
-#ifdef __LP64__
-"	.dword	1b,4b\n"
-"	.dword  2b,4b\n"
-#else
-"	.word	1b,4b\n"
-"	.word	2b,4b\n"
-#endif
-"	.previous\n"
+	ASM_EXCEPTIONTABLE_ENTRY(1b,4b)
+	ASM_EXCEPTIONTABLE_ENTRY(2b,4b)
 	: "=r" (ret)
 	: "r" (val), "r" (regs->ior), "r" (regs->isr)
 	: "r19", "r20", "r21", "r22", "r1", FIXUP_BRANCH_CLOBBER );
@@ -413,7 +370,7 @@ static int emulate_std(struct pt_regs *regs, int frreg, int flop)
 		val,  regs->isr, regs->ior);
 
 #ifdef CONFIG_PA20
-#ifndef __LP64__
+#ifndef CONFIG_64BIT
 	if (!flop)
 		return -1;
 #endif
@@ -439,19 +396,10 @@ static int emulate_std(struct pt_regs *regs, int frreg, int flop)
 "6:	ldi	-2, %0\n"
 	FIXUP_BRANCH(5b)
 "	.previous\n"
-"	.section __ex_table,\"aw\"\n"
-#ifdef __LP64__
-"	.dword	1b,6b\n"
-"	.dword  2b,6b\n"
-"	.dword	3b,6b\n"
-"	.dword  4b,6b\n"
-#else
-"	.word	1b,6b\n"
-"	.word	2b,6b\n"
-"	.word	3b,6b\n"
-"	.word	4b,6b\n"
-#endif
-"	.previous\n"
+	ASM_EXCEPTIONTABLE_ENTRY(1b,6b)
+	ASM_EXCEPTIONTABLE_ENTRY(2b,6b)
+	ASM_EXCEPTIONTABLE_ENTRY(3b,6b)
+	ASM_EXCEPTIONTABLE_ENTRY(4b,6b)
 	: "=r" (ret)
 	: "r" (val), "r" (regs->ior), "r" (regs->isr)
 	: "r19", "r20", "r21", "r22", "r1", FIXUP_BRANCH_CLOBBER );
@@ -482,21 +430,11 @@ static int emulate_std(struct pt_regs *regs, int frreg, int flop)
 "7:	ldi	-2, %0\n"
 	FIXUP_BRANCH(6b)
 "	.previous\n"
-"	.section __ex_table,\"aw\"\n"
-#ifdef __LP64__
-"	.dword	1b,7b\n"
-"	.dword  2b,7b\n"
-"	.dword	3b,7b\n"
-"	.dword  4b,7b\n"
-"	.dword  5b,7b\n"
-#else
-"	.word	1b,7b\n"
-"	.word	2b,7b\n"
-"	.word	3b,7b\n"
-"	.word	4b,7b\n"
-"	.word  	5b,7b\n"
-#endif
-"	.previous\n"
+	ASM_EXCEPTIONTABLE_ENTRY(1b,7b)
+	ASM_EXCEPTIONTABLE_ENTRY(2b,7b)
+	ASM_EXCEPTIONTABLE_ENTRY(3b,7b)
+	ASM_EXCEPTIONTABLE_ENTRY(4b,7b)
+	ASM_EXCEPTIONTABLE_ENTRY(5b,7b)
 	: "=r" (ret)
 	: "r" (valh), "r" (vall), "r" (regs->ior), "r" (regs->isr)
 	: "r19", "r20", "r21", "r1", FIXUP_BRANCH_CLOBBER );
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 @@ $lsfu_exit:
 	bv          %r0(%r2)
 	nop
 	.exit
+ENDPROC(lstrncpy_from_user)
 
 	.section .fixup,"ax"
 3:      fixup_branch $lsfu_exit
@@ -94,13 +95,8 @@ $lsfu_exit:
 	.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 @@ $lsfu_exit:
 	 * 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 @@ $lclu_done:
 	bv          %r0(%r2)
 	copy        %r25,%r28
 	.exit
+ENDPROC(lclear_user)
 
 	.section .fixup,"ax"
 2:      fixup_branch $lclu_done
@@ -134,11 +130,7 @@ $lclu_done:
 	.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 @@ $lclu_done:
 	 *         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_done:
 $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 @@ $lslen_nzero:
 	.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 @@ DECLARE_PER_CPU(struct exception_data, exception_data);
 #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 @@ DECLARE_PER_CPU(struct exception_data, exception_data);
 
 #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 @@ extern inline void prefetch_dst(const void *addr)
 	__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