[Valgrind-developers] valgrind: r12591: Let valgrind check the tls argument if the appropriate flag is set

[<sv...@va...>]

cborntra	2012-05-28 12:51:50 +0100 (Mon, 28 May 2012)

  New Revision: 12591

  Log:
    Let valgrind check the tls argument if the appropriate flag is set

  Modified files:
    trunk/coregrind/m_syswrap/syswrap-s390x-linux.c


  Modified: trunk/coregrind/m_syswrap/syswrap-s390x-linux.c (+7 -0)
===================================================================
--- trunk/coregrind/m_syswrap/syswrap-s390x-linux.c	2012-05-28 09:56:24 +01:00 (rev 12590)
+++ trunk/coregrind/m_syswrap/syswrap-s390x-linux.c	2012-05-28 12:51:50 +01:00 (rev 12591)
@@ -965,6 +965,13 @@
       }
    }
 
+   /* The kernel simply copies reg6 (ARG5) into AR0 and AR1, no checks */
+   if (ARG2 & VKI_CLONE_SETTLS) {
+      if (VG_(tdict).track_pre_reg_read) {
+         PRA5("clone", Addr, tlsinfo);
+      }
+   }
+
    cloneflags = ARG2;
 
    if (!ML_(client_signal_OK)(ARG2 & VKI_CSIGNAL)) {