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GNU C Library master sources branch roland/arm-avoid-pc updated. glibc-2.17-380-g139513c
- From: roland at sourceware dot org
- To: glibc-cvs at sourceware dot org
- Date: 11 Mar 2013 21:26:44 -0000
- Subject: GNU C Library master sources branch roland/arm-avoid-pc updated. glibc-2.17-380-g139513c
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http://sources.redhat.com/git/gitweb.cgi?p=glibc.git;a=commitdiff;h=139513cca31f8769a36b8e8d5dadb54b4898391e
commit 139513cca31f8769a36b8e8d5dadb54b4898391e
Author: Roland McGrath <roland@hack.frob.com>
Date: Mon Mar 11 14:21:11 2013 -0700
ARM: Handle ARM_ALWAYS_BX in {add,sub}_n.S code.
diff --git a/ports/ChangeLog.arm b/ports/ChangeLog.arm
index b7a199a..b3a62b2 100644
--- a/ports/ChangeLog.arm
+++ b/ports/ChangeLog.arm
@@ -1,5 +1,7 @@
2013-03-11 Roland McGrath <roland@hack.frob.com>
+ * sysdeps/arm/add_n.S [ARM_ALWAYS_BX]: Don't pop into pc.
+
* sysdeps/arm/arm-features.h (ARM_BX_ALIGN_LOG2): New macro.
* sysdeps/arm/memcpy.S: Respect ARM_BX_ALIGN_LOG2.
* sysdeps/arm/memmove.S: Likewise.
diff --git a/ports/sysdeps/arm/add_n.S b/ports/sysdeps/arm/add_n.S
index 119a994..284f5a1 100644
--- a/ports/sysdeps/arm/add_n.S
+++ b/ports/sysdeps/arm/add_n.S
@@ -80,5 +80,10 @@ ENTRY (FUNC)
9:
RETC /* copy carry out */
+#ifndef ARM_ALWAYS_BX
pop { r4, r5, r6, r7, r8, r10, pc }
+#else
+ pop { r4, r5, r6, r7, r8, r10, lr }
+ bx lr
+#endif
END (FUNC)
-----------------------------------------------------------------------
Summary of changes:
ports/ChangeLog.arm | 2 ++
ports/sysdeps/arm/add_n.S | 5 +++++
2 files changed, 7 insertions(+), 0 deletions(-)
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