[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>

3 files changed, 35 insertions, 38 deletions

diff --git a/include/asm-parisc/assembly.h b/include/asm-parisc/assembly.h
index 5a1e0e8..7e26fcb 100644
--- a/include/asm-parisc/assembly.h
+++ b/include/asm-parisc/assembly.h
@@ -31,9 +31,13 @@
 #define STREGM	std,ma
 #define SHRREG	shrd
 #define SHLREG	shld
+#define ADDIB   addib,*
+#define CMPB    cmpb,*
+#define ANDCM   andcm,*
 #define RP_OFFSET	16
 #define FRAME_SIZE	128
 #define CALLEE_REG_FRAME_SIZE	144
+#define ASM_ULONG_INSN	.dword
 #else	/* CONFIG_64BIT */
 #define LDREG	ldw
 #define STREG	stw
@@ -42,9 +46,13 @@
 #define STREGM	stwm
 #define SHRREG	shr
 #define SHLREG	shlw
+#define ADDIB   addib,
+#define CMPB    cmpb,
+#define ANDCM   andcm
 #define RP_OFFSET	20
 #define FRAME_SIZE	64
 #define CALLEE_REG_FRAME_SIZE	128
+#define ASM_ULONG_INSN	.word
 #endif
 
 #define CALLEE_SAVE_FRAME_SIZE (CALLEE_REG_FRAME_SIZE + CALLEE_FLOAT_FRAME_SIZE)
diff --git a/include/asm-parisc/bug.h b/include/asm-parisc/bug.h
index cfe39a2..83ba510 100644
--- a/include/asm-parisc/bug.h
+++ b/include/asm-parisc/bug.h
@@ -14,10 +14,10 @@
 #define	PARISC_BUG_BREAK_ASM	"break 0x1f, 0x1fff"
 #define	PARISC_BUG_BREAK_INSN	0x03ffe01f  /* PARISC_BUG_BREAK_ASM */
 
-#ifdef CONFIG_64BIT
-#define ASM_ULONG_INSN		".dword"
+#if defined(CONFIG_64BIT)
+#define ASM_WORD_INSN		".dword\t"
 #else
-#define ASM_ULONG_INSN		".word"
+#define ASM_WORD_INSN		".word\t"
 #endif
 
 #ifdef CONFIG_DEBUG_BUGVERBOSE
@@ -26,7 +26,7 @@
 		asm volatile("\n"					\
 			     "1:\t" PARISC_BUG_BREAK_ASM "\n"		\
 			     "\t.pushsection __bug_table,\"a\"\n"	\
-			     "2:\t" ASM_ULONG_INSN " 1b, %c0\n"		\
+			     "2:\t" ASM_WORD_INSN "1b, %c0\n"		\
 			     "\t.short %c1, %c2\n"			\
 			     "\t.org 2b+%c3\n"				\
 			     "\t.popsection"				\
@@ -49,7 +49,7 @@
 		asm volatile("\n"					\
 			     "1:\t" PARISC_BUG_BREAK_ASM "\n"		\
 			     "\t.pushsection __bug_table,\"a\"\n"	\
-			     "2:\t" ASM_ULONG_INSN " 1b, %c0\n"		\
+			     "2:\t" ASM_WORD_INSN "1b, %c0\n"		\
 			     "\t.short %c1, %c2\n"			\
 			     "\t.org 2b+%c3\n"				\
 			     "\t.popsection"				\
@@ -63,7 +63,7 @@
 		asm volatile("\n"					\
 			     "1:\t" PARISC_BUG_BREAK_ASM "\n"		\
 			     "\t.pushsection __bug_table,\"a\"\n"	\
-			     "2:\t" ASM_ULONG_INSN " 1b\n"		\
+			     "2:\t" ASM_WORD_INSN "1b\n"		\
 			     "\t.short %c0\n"				\
 			     "\t.org 2b+%c1\n"				\
 			     "\t.popsection"				\
diff --git a/include/asm-parisc/uaccess.h b/include/asm-parisc/uaccess.h
index d5d831e..4878b95 100644
--- a/include/asm-parisc/uaccess.h
+++ b/include/asm-parisc/uaccess.h
@@ -67,6 +67,11 @@ struct exception_table_entry {
 	long fixup;          /* fixup routine */
 };
 
+#define ASM_EXCEPTIONTABLE_ENTRY( fault_addr, except_addr )\
+	".section __ex_table,\"aw\"\n"			   \
+	ASM_WORD_INSN #fault_addr ", " #except_addr "\n\t" \
+	".previous\n"
+
 /*
  * The page fault handler stores, in a per-cpu area, the following information
  * if a fixup routine is available.
@@ -106,21 +111,15 @@ struct exception_data {
 })
 
 #define __get_kernel_asm(ldx,ptr)                       \
-	__asm__("\n1:\t" ldx "\t0(%2),%0\n"             \
-		"\t.section __ex_table,\"aw\"\n"        \
-		"\t" ASM_WORD_INSN			\
-			"1b,fixup_get_user_skip_1\n"	\
-		"\t.previous"                          	\
+	__asm__("\n1:\t" ldx "\t0(%2),%0\n\t"		\
+		ASM_EXCEPTIONTABLE_ENTRY(1b, fixup_get_user_skip_1)\
 		: "=r"(__gu_val), "=r"(__gu_err)        \
 		: "r"(ptr), "1"(__gu_err)		\
 		: "r1");
 
 #define __get_user_asm(ldx,ptr)                         \
-	__asm__("\n1:\t" ldx "\t0(%%sr3,%2),%0\n"       \
-		"\t.section __ex_table,\"aw\"\n"	\
-		"\t" ASM_WORD_INSN			\
-			"1b,fixup_get_user_skip_1\n"	\
-		"\t.previous"				\
+	__asm__("\n1:\t" ldx "\t0(%%sr3,%2),%0\n\t"	\
+		ASM_EXCEPTIONTABLE_ENTRY(1b,fixup_get_user_skip_1)\
 		: "=r"(__gu_val), "=r"(__gu_err)        \
 		: "r"(ptr), "1"(__gu_err)		\
 		: "r1");
@@ -164,22 +163,16 @@ struct exception_data {
 
 #define __put_kernel_asm(stx,x,ptr)                         \
 	__asm__ __volatile__ (                              \
-		"\n1:\t" stx "\t%2,0(%1)\n"                 \
-		"\t.section __ex_table,\"aw\"\n"            \
-		"\t" ASM_WORD_INSN			    \
-			"1b,fixup_put_user_skip_1\n"	    \
-		"\t.previous"                               \
+		"\n1:\t" stx "\t%2,0(%1)\n\t"		    \
+		ASM_EXCEPTIONTABLE_ENTRY(1b,fixup_put_user_skip_1)\
 		: "=r"(__pu_err)                            \
 		: "r"(ptr), "r"(x), "0"(__pu_err)	    \
 	    	: "r1")
 
 #define __put_user_asm(stx,x,ptr)                           \
 	__asm__ __volatile__ (                              \
-		"\n1:\t" stx "\t%2,0(%%sr3,%1)\n"           \
-		"\t.section __ex_table,\"aw\"\n"            \
-		"\t" ASM_WORD_INSN			    \
-			"1b,fixup_put_user_skip_1\n"	    \
-		"\t.previous"                               \
+		"\n1:\t" stx "\t%2,0(%%sr3,%1)\n\t"	    \
+		ASM_EXCEPTIONTABLE_ENTRY(1b,fixup_put_user_skip_1)\
 		: "=r"(__pu_err)                            \
 		: "r"(ptr), "r"(x), "0"(__pu_err)	    \
 		: "r1")
@@ -192,12 +185,10 @@ struct exception_data {
 	u32 hi = (__val64) >> 32;			    \
 	u32 lo = (__val64) & 0xffffffff;		    \
 	__asm__ __volatile__ (				    \
-		"\n1:\tstw %2,0(%1)\n"			    \
-		"\n2:\tstw %3,4(%1)\n"			    \
-		"\t.section __ex_table,\"aw\"\n"	    \
-		 "\t.word\t1b,fixup_put_user_skip_2\n"	    \
-		 "\t.word\t2b,fixup_put_user_skip_1\n"	    \
-		 "\t.previous"				    \
+		"\n1:\tstw %2,0(%1)"			    \
+		"\n2:\tstw %3,4(%1)\n\t"		    \
+		ASM_EXCEPTIONTABLE_ENTRY(1b,fixup_put_user_skip_2)\
+		ASM_EXCEPTIONTABLE_ENTRY(2b,fixup_put_user_skip_1)\
 		: "=r"(__pu_err)                            \
 		: "r"(ptr), "r"(hi), "r"(lo), "0"(__pu_err) \
 		: "r1");				    \
@@ -208,12 +199,10 @@ struct exception_data {
 	u32 hi = (__val64) >> 32;			    \
 	u32 lo = (__val64) & 0xffffffff;		    \
 	__asm__ __volatile__ (				    \
-		"\n1:\tstw %2,0(%%sr3,%1)\n"		    \
-		"\n2:\tstw %3,4(%%sr3,%1)\n"		    \
-		"\t.section __ex_table,\"aw\"\n"	    \
-		 "\t.word\t1b,fixup_put_user_skip_2\n"	    \
-		 "\t.word\t2b,fixup_put_user_skip_1\n"	    \
-		 "\t.previous"				    \
+		"\n1:\tstw %2,0(%%sr3,%1)"		    \
+		"\n2:\tstw %3,4(%%sr3,%1)\n\t"		    \
+		ASM_EXCEPTIONTABLE_ENTRY(1b,fixup_put_user_skip_2)\
+		ASM_EXCEPTIONTABLE_ENTRY(2b,fixup_put_user_skip_1)\
 		: "=r"(__pu_err)                            \
 		: "r"(ptr), "r"(hi), "r"(lo), "0"(__pu_err) \
 		: "r1");				    \