src/hotspot/cpu/aarch64/stubGenerator_aarch64.cpp

rev 55308 : z_aarch64 8224675

@@ -44,10 +44,13 @@
 #include "runtime/thread.inline.hpp"
 #include "utilities/align.hpp"
 #ifdef COMPILER2
 #include "opto/runtime.hpp"
 #endif
+#if INCLUDE_ZGC
+#include "gc/z/zThreadLocalData.hpp"
+#endif
 
 #ifdef BUILTIN_SIM
 #include "../../../../../../simulator/simulator.hpp"
 #endif
 

@@ -578,10 +581,20 @@
 
     // object is in r0
     // make sure object is 'reasonable'
     __ cbz(r0, exit); // if obj is NULL it is OK
 
+#if INCLUDE_ZGC
+    if (UseZGC) {
+      // Check if mask is good.
+      // verifies that ZAddressBadMask & r0 == 0
+      __ ldr(c_rarg3, Address(rthread, ZThreadLocalData::address_bad_mask_offset()));
+      __ andr(c_rarg2, r0, c_rarg3);
+      __ cbnz(c_rarg2, error);
+    }
+#endif
+
     // Check if the oop is in the right area of memory
     __ mov(c_rarg3, (intptr_t) Universe::verify_oop_mask());
     __ andr(c_rarg2, r0, c_rarg3);
     __ mov(c_rarg3, (intptr_t) Universe::verify_oop_bits());