Add a port to IBM z/Architecture (s390x) running Linux -- Valgrind
side components. (Florian Krohm <britzel@acm.org> and Christian
Borntraeger <borntraeger@de.ibm.com>).  Fixes #243404.



git-svn-id: svn://svn.valgrind.org/valgrind/trunk@11604 a5019735-40e9-0310-863c-91ae7b9d1cf9
diff --git a/drd/drd_load_store.c b/drd/drd_load_store.c
index 74ef230..9820da0 100644
--- a/drd/drd_load_store.c
+++ b/drd/drd_load_store.c
@@ -48,6 +48,8 @@
 #define STACK_POINTER_OFFSET OFFSET_ppc64_GPR1
 #elif defined(VGA_arm)
 #define STACK_POINTER_OFFSET OFFSET_arm_R13
+#elif defined(VGA_s390x)
+#define STACK_POINTER_OFFSET OFFSET_s390x_r15
 #else
 #error Unknown architecture.
 #endif