From: Will Newton <will.newton@linaro.org>
To: libc-ports@sourceware.org
Cc: patches@linaro.org
Subject: [PATCH] ARM: Allow building __sigsetjmp as Thumb.
Date: Thu, 03 Oct 2013 10:38:00 -0000 [thread overview]
Message-ID: <524D4926.2050405@linaro.org> (raw)
Convert __sigsetjmp code to allow building as Thumb.
ports/ChangeLog.arm:
2013-09-25 Will Newton <will.newton@linaro.org>
* sysdeps/arm/setjmp.S (NO_THUMB): Remove define.
(__sigsetjmp): Use Thumb supported instructions.
---
ports/sysdeps/arm/setjmp.S | 5 ++---
1 file changed, 2 insertions(+), 3 deletions(-)
diff --git a/ports/sysdeps/arm/setjmp.S b/ports/sysdeps/arm/setjmp.S
index b38b919..fedd994 100644
--- a/ports/sysdeps/arm/setjmp.S
+++ b/ports/sysdeps/arm/setjmp.S
@@ -16,8 +16,6 @@
License along with the GNU C Library. If not, see
<http://www.gnu.org/licenses/>. */
-/* ??? Needs more rearrangement for the STM to handle thumb mode. */
-#define NO_THUMB
#include <sysdep.h>
#include <bits/setjmp.h>
#include <rtld-global-offsets.h>
@@ -35,7 +33,8 @@ ENTRY (__sigsetjmp)
sfi_breg ip, \
stmia \B!, JMP_BUF_REGLIST
#ifdef PTR_MANGLE
- PTR_MANGLE2 (a4, sp, a3)
+ mov a4, sp
+ PTR_MANGLE2 (a4, a4, a3)
str a4, [ip], #4
PTR_MANGLE2 (a4, lr, a3)
str a4, [ip], #4
--
1.8.1.4
next reply other threads:[~2013-10-03 10:38 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-10-03 10:38 Will Newton [this message]
2013-10-03 16:32 ` Joseph S. Myers
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