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

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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>
This commit is contained in:
Chen Gang 2014-01-12 09:59:13 +08:00 committed by Michal Marek
parent e36aaea289
commit 9df62f0544
2 changed files with 14 additions and 7 deletions
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2
arch/arc/include/asm/linkage.h
View File

@ -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
*/

13
include/linux/linkage.h
View File

@ -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; \
ALIGN; \
.globl name ASM_NL \
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