powerpc: Fix clone CLONE_VM compare

This patch fixes the clone CLONE_VM change from 0cb313f (BZ#19957)
where the commit changed the register that contains the save flags
argument to compare with (from r28 to r29).  This patch changes
back to correct register.

Tested on powerpc32 (thanks to Tulio Magno Quites Machado Filho).

	* sysdeps/unix/sysv/linux/powerpc/powerpc32/clone.S (__clone): Fix
	flags CLONE_VM compare.

diff --git a/ChangeLog b/ChangeLog
index d7044ea..26284bd 100644 (file)
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2016-05-02  Adhemerval Zanella  <adhemerval.zanella@linaro.org>
+
+       * sysdeps/unix/sysv/linux/powerpc/powerpc32/clone.S (__clone): Fix
+       flags CLONE_VM compare.
+
 2016-05-02  Florian Weimer  <fweimer@redhat.com>
 
        [BZ #20031]

diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc32/clone.S b/sysdeps/unix/sysv/linux/powerpc/powerpc32/clone.S
index 9d496f0..bebadbf 100644 (file)
--- a/sysdeps/unix/sysv/linux/powerpc/powerpc32/clone.S
+++ b/sysdeps/unix/sysv/linux/powerpc/powerpc32/clone.S
@@ -77,7 +77,7 @@ ENTRY (__clone)
        bne-    cr1,L(parent)           /* The '-' is to minimise the race.  */
 
        /* If CLONE_VM is set do not update the pid/tid field.  */
-       andi.   r0,r29,CLONE_VM
+       andi.   r0,r28,CLONE_VM
        bne+    cr0,L(oldpid)
 
        DO_CALL(SYS_ify(getpid))