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From: Justin Hibbits <jhibbits@FreeBSD.org>
Date: Tue, 6 Oct 2015 01:24:46 +0000 (UTC)
To: src-committers@freebsd.org, svn-src-all@freebsd.org,
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Subject: svn commit: r288909 - head/sys/powerpc/powerpc
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Author: jhibbits
Date: Tue Oct  6 01:24:46 2015
New Revision: 288909
URL: https://svnweb.freebsd.org/changeset/base/288909

Log:
  Save the link register in savectx().
  
  Pointed out by:	jhb

Modified:
  head/sys/powerpc/powerpc/swtch32.S
  head/sys/powerpc/powerpc/swtch64.S

Modified: head/sys/powerpc/powerpc/swtch32.S
==============================================================================
--- head/sys/powerpc/powerpc/swtch32.S	Tue Oct  6 01:05:07 2015	(r288908)
+++ head/sys/powerpc/powerpc/swtch32.S	Tue Oct  6 01:24:46 2015	(r288909)
@@ -187,6 +187,8 @@ ENTRY(savectx)
 	stmw	%r12,PCB_CONTEXT(%r3)	/* Save the non-volatile GP regs */
 	mfcr	%r4			/* Save the condition register */
 	stw	%r4,PCB_CR(%r3)
+	mflr	%r4			/* Save the link register */
+	stw	%r4,PCB_LR(%r3)
 	blr
 
 /*

Modified: head/sys/powerpc/powerpc/swtch64.S
==============================================================================
--- head/sys/powerpc/powerpc/swtch64.S	Tue Oct  6 01:05:07 2015	(r288908)
+++ head/sys/powerpc/powerpc/swtch64.S	Tue Oct  6 01:24:46 2015	(r288909)
@@ -255,6 +255,8 @@ ENTRY(savectx)
 	mfcr	%r4			/* Save the condition register */
 	std	%r4,PCB_CR(%r3)
 	std	%r2,PCB_TOC(%r3)	/* Save the TOC pointer */
+	mflr	%r4			/* Save the link register */
+	std	%r4,PCB_LR(%r3)
 	blr
 
 /*