arch: use ASM_NL instead of ';' for assembler new line character in the macro

For some assemblers, they use another character as newline in a macro
(e.g. arc uses '`'), so for generic assembly code, need use ASM_NL (a
macro) instead of ';' for it.

Signed-off-by: Chen Gang <gang.chen.5i5j@gmail.com>
Acked-by: Vineet Gupta <vgupta@synopsys.com>
Signed-off-by: Michal Marek <mmarek@suse.cz>

arch/arc/include/asm/linkage.h

@@ -11,6 +11,8 @@
 
 #ifdef __ASSEMBLY__
 
+#define ASM_NL		 `	/* use '`' to mark new line in macro */
+
 /* Can't use the ENTRY macro in linux/linkage.h
  * gas considers ';' as comment vs. newline
  */

include/linux/linkage.h

@@ -6,6 +6,11 @@
 #include <linux/export.h>
 #include <asm/linkage.h>
 
+/* Some toolchains use other characters (e.g. '`') to mark new line in macro */
+#ifndef ASM_NL
+#define ASM_NL		 ;
+#endif
+
 #ifdef __cplusplus
 #define CPP_ASMLINKAGE extern "C"
 #else
@@ -75,15 +80,15 @@
 
 #ifndef ENTRY
 #define ENTRY(name) \
-  .globl name; \
+	.globl name ASM_NL \
-  ALIGN; \
+	ALIGN ASM_NL \
 	name:
 #endif
 #endif /* LINKER_SCRIPT */
 
 #ifndef WEAK
 #define WEAK(name)	   \
-	.weak name;	   \
+	.weak name ASM_NL   \
 	name:
 #endif
 
@@ -98,7 +103,7 @@
  */
 #ifndef ENDPROC
 #define ENDPROC(name) \
-  .type name, @function; \
+	.type name, @function ASM_NL \
 	END(name)
 #endif