[Glibc-bsd-commits] r4427 - trunk/glibc-ports/kfreebsd/x86_64

[Petr Salinger]

Author: ps-guest
Date: 2013-05-10 15:27:34 +0000 (Fri, 10 May 2013)
New Revision: 4427

Modified:
   trunk/glibc-ports/kfreebsd/x86_64/makecontext.S
Log:
when uc_link is NULL, clear return value



Modified: trunk/glibc-ports/kfreebsd/x86_64/makecontext.S
===================================================================
--- trunk/glibc-ports/kfreebsd/x86_64/makecontext.S	2013-05-10 04:43:44 UTC (rev 4426)
+++ trunk/glibc-ports/kfreebsd/x86_64/makecontext.S	2013-05-10 15:27:34 UTC (rev 4427)
@@ -127,16 +127,16 @@
 		- exit will call _exit in near future
 	*/
 
+	movq %rbx, %rdi		/* argument for either syscall */
 	testq %rbx, %rbx	/* If it is zero exit.  */
 	jz 2f
 
-	movq %rbx, %rdi
 	call	JUMPTARGET(__setcontext)
 	/* If this returns (which can happen if the syscall fails) we'll
 	   exit the program with the return error value (-1).  */
 
-2:	movq %rax, %rdi
-	call	HIDDEN_JUMPTARGET(exit)
+	movq %rax, %rdi
+2:	call	HIDDEN_JUMPTARGET(exit)
 	/* The 'exit' call should never return.  In case it does cause
 	   the process to terminate.  */
 	hlt