src/hotspot/cpu/aarch64/stubGenerator_aarch64.cpp

rev 55308 : z_aarch64 8224675

*** 44,53 ****
--- 44,56 ----
  #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
  
*** 578,587 ****
--- 581,600 ----
  
      // 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());