diff --git a/src/audit.h b/src/audit.h
index efe056a..eea60d8 100644
--- a/src/audit.h
+++ b/src/audit.h
@@ -59,12 +59,18 @@
 # define La_regs La_ppc32_regs
 # define La_retval La_ppc32_retval
 # define int_retval lrv_r3
-#elif defined __powerpc__ && __WORDSIZE == 64
+#elif defined __powerpc__ && __WORDSIZE == 64 && _CALL_ELF != 2
 # define pltenter la_ppc64_gnu_pltenter
 # define pltexit la_ppc64_gnu_pltexit
 # define La_regs La_ppc64_regs
 # define La_retval La_ppc64_retval
 # define int_retval lrv_r3
+#elif defined __powerpc__ && __WORDSIZE == 64 && _CALL_ELF == 2
+# define pltenter la_ppc64v2_gnu_pltenter
+# define pltexit la_ppc64v2_gnu_pltexit
+# define La_regs La_ppc64v2_regs
+# define La_retval La_ppc64v2_retval
+# define int_retval lrv_r3
 #elif defined __sh__
 # define pltenter la_sh_gnu_pltenter
 # define pltexit la_sh_gnu_pltexit
diff --git a/src/stack.c b/src/stack.c
index 3aa55d1..0d5c2ed 100644
--- a/src/stack.c
+++ b/src/stack.c
@@ -6,6 +6,13 @@
 
 #include "config.h"
 
+#if defined __powerpc__
+/* check the current stack pointer and check its boundaries */
+int lt_stack_framesize(struct lt_config_audit *cfg, La_regs *regs)
+{
+	return lt_sh(cfg, framesize);
+}
+#else
 static __thread void *stack_start = NULL;
 static __thread void *stack_end   = NULL;
 
@@ -124,3 +131,4 @@ int lt_stack_framesize(struct lt_config_audit *cfg, La_regs *regs)
 
 	return framesize;
 }
+#endif