Fix Thumb-2 setjmp
Joseph S. Myers
joseph at codesourcery.com
Tue Jun 30 21:23:13 UTC 2009
I've applied as obvious this patch to fix Thumb-2 setjmp, which was
failing to assemble.
Many Thumb-2 instructions cannot use sp or pc as operands, and the
assembler now diagnoses these. setjmp had one such instruction, movs;
this patch changes it to mov.
diff --git a/libc/sysdeps/linux/arm/setjmp.S b/libc/sysdeps/linux/arm/setjmp.S
index 2df7d55..76d1790 100644
--- a/libc/sysdeps/linux/arm/setjmp.S
+++ b/libc/sysdeps/linux/arm/setjmp.S
@@ -47,7 +47,7 @@ __sigsetjmp:
mov ip, r0
#if defined(__thumb2__)
stmia ip!, {v1-v6, sl, fp}
- movs r2, sp
+ mov r2, sp
stmia ip!, {r2, lr}
#else
/* Save registers */
--
Joseph S. Myers
joseph at codesourcery.com
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