src/hotspot/os_cpu/linux_arm/os_linux_arm.cpp

rev 52430 : 8213199: GC abstraction for Assembler::needs_explicit_null_check()

*** 382,392 ****
          CodeBlob* cb = CodeCache::find_blob_unsafe(pc);
          CompiledMethod* nm = (cb != NULL) ? cb->as_compiled_method_or_null() : NULL;
          if (nm != NULL && nm->has_unsafe_access()) {
            unsafe_access = true;
          }
!       } else if (sig == SIGSEGV && !MacroAssembler::needs_explicit_null_check((intptr_t)info->si_addr)) {
            // Determination of interpreter/vtable stub/compiled code null exception
            CodeBlob* cb = CodeCache::find_blob_unsafe(pc);
            if (cb != NULL) {
              stub = SharedRuntime::continuation_for_implicit_exception(thread, pc, SharedRuntime::IMPLICIT_NULL);
            }
--- 382,393 ----
          CodeBlob* cb = CodeCache::find_blob_unsafe(pc);
          CompiledMethod* nm = (cb != NULL) ? cb->as_compiled_method_or_null() : NULL;
          if (nm != NULL && nm->has_unsafe_access()) {
            unsafe_access = true;
          }
!       } else if (sig == SIGSEGV &&
!                  MacroAssembler::uses_implicit_null_check(info->si_addr)) {
            // Determination of interpreter/vtable stub/compiled code null exception
            CodeBlob* cb = CodeCache::find_blob_unsafe(pc);
            if (cb != NULL) {
              stub = SharedRuntime::continuation_for_implicit_exception(thread, pc, SharedRuntime::IMPLICIT_NULL);
            }
*** 690,695 ****
  
  int os::extra_bang_size_in_bytes() {
    // ARM does not require an additional stack bang.
    return 0;
  }
- 
--- 691,695 ----