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Patch for ARM backend...
- To: gcc patches mailing list <gcc-patches at gcc dot gnu dot org>
- Subject: Patch for ARM backend...
- From: Scott Bambrough <scottb at netwinder dot org>
- Date: Thu, 13 Jan 2000 11:25:50 -0500
- Organization: Rebel.com
Hi guys,
Phil Blundell recently submitted a patch for a similar CLEAR_CACHE macro I added
to GLIBC. It should be applied here as well. I believe it is appropriate for
all branches.
2000-01-13 Scott Bambrough <scottb@netwinder.org>
* gcc/config/arm/linux-gas.h (CLEAR_CACHE): System calls clobber R0.
--
Scott Bambrough - Software Engineer
REBEL.COM http://www.rebel.com
NetWinder http://www.netwinder.org
Index: linux-gas.h
===================================================================
RCS file: /cvs/gcc/egcs/gcc/config/arm/linux-gas.h,v
retrieving revision 1.4.6.2
diff -u -p -r1.4.6.2 linux-gas.h
--- linux-gas.h 1999/10/27 13:42:38 1.4.6.2
+++ linux-gas.h 2000/01/13 15:38:26
@@ -79,5 +79,8 @@ Boston, MA 02111-1307, USA. */
register unsigned long _beg __asm ("a1") = (unsigned long) (BEG); \
register unsigned long _end __asm ("a2") = (unsigned long) (END); \
register unsigned long _flg __asm ("a3") = 0; \
- __asm __volatile ("swi 0x9f0002"); \
+ __asm __volatile ("swi 0x9f0002 @ sys_cacheflush" \
+ : /* no outputs */ \
+ : /* no inputs */ \
+ : "a1"); \
}