diff --git a/stackwalk/src/aarch64-swk.C b/stackwalk/src/aarch64-swk.C
index 64a38bfff8..5963f365e1 100644
--- a/stackwalk/src/aarch64-swk.C
+++ b/stackwalk/src/aarch64-swk.C
@@ -45,9 +45,9 @@ using namespace Dyninst;
 using namespace Dyninst::Stackwalker;
 
 #if defined(os_linux) || defined(os_bg)
-#define GET_FRAME_BASE(spr)     __asm__("mov x0, x29;" : "=r"(spr))
-#define GET_RET_ADDR(spr)       __asm__("mov x0, x30;" : "=r"(spr))
-#define GET_STACK_POINTER(spr)  __asm__("mov x0, sp;"  : "=r"(spr))
+#define GET_FRAME_POINTER(spr)     __asm__("mov %0, x29;" : "=r"(spr))
+#define GET_RET_ADDR(spr)       __asm__("mov %0, x30;" : "=r"(spr))
+#define GET_STACK_POINTER(spr)  __asm__("mov %0, sp;"  : "=r"(spr))
 #else
 #error Unknown platform
 #endif
@@ -69,6 +69,8 @@ bool ProcSelf::getRegValue(Dyninst::MachRegister reg, THR_ID, Dyninst::MachRegis
   GET_STACK_POINTER(sp);
 
   framePointer = (ra_fp_pair_t *) sp;
+  if(!framePointer) return false;
+  if(!framePointer->FP) return false;
   thisFramePair = *framePointer;
   stackWalkFramePair = *( (ra_fp_pair_t*) (thisFramePair.FP));
 
diff --git a/symtabAPI/src/relocationEntry-elf-aarch64.C b/symtabAPI/src/relocationEntry-elf-aarch64.C
index 231c7f5df7..91e4501eaa 100644
--- a/symtabAPI/src/relocationEntry-elf-aarch64.C
+++ b/symtabAPI/src/relocationEntry-elf-aarch64.C
@@ -160,13 +160,13 @@ const char *relocationEntry::relType2Str(unsigned long r, unsigned /*addressWidt
         CASE_RETURN_STR(R_AARCH64_GLOB_DAT);
         CASE_RETURN_STR(R_AARCH64_JUMP_SLOT);
         CASE_RETURN_STR(R_AARCH64_RELATIVE);
-        CASE_RETURN_STR(R_AARCH64_TLS_DTPMOD );
-        CASE_RETURN_STR(R_AARCH64_TLS_DTPREL);
-        CASE_RETURN_STR(R_AARCH64_TLS_TPREL);
+	//        CASE_RETURN_STR(R_AARCH64_TLS_DTPMOD );
+        // CASE_RETURN_STR(R_AARCH64_TLS_DTPREL);
+        // CASE_RETURN_STR(R_AARCH64_TLS_TPREL);
         CASE_RETURN_STR(R_AARCH64_TLSDESC   );
         CASE_RETURN_STR(R_AARCH64_IRELATIVE);
 		default:
-			return "?";
+			return "Unknown relocation type";
 	}
     return "?";
 }