diff options
| author | twisti <none@none> | 2013-07-29 16:32:38 -0700 |
|---|---|---|
| committer | twisti <none@none> | 2013-07-29 16:32:38 -0700 |
| commit | aa4cffc48baf65288c38f8d830acfff7132cc158 (patch) | |
| tree | 0035bb0d4b1fc63b340223890581ac9ead192c71 /src/share/vm/c1 | |
| parent | 169d42c73de0180bedda0be283226a03160776c0 (diff) | |
8016474: Crash in sun.reflect.UnsafeObjectFieldAccessorImpl.get
Summary: C1's GetUnsafeObject G1 pre-barrier uses the wrong type to read the klass pointer.
Reviewed-by: iveresov, kvn
Diffstat (limited to 'src/share/vm/c1')
| -rw-r--r-- | src/share/vm/c1/c1_LIRGenerator.cpp | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/src/share/vm/c1/c1_LIRGenerator.cpp b/src/share/vm/c1/c1_LIRGenerator.cpp index 3af2d23b7..dbe3476aa 100644 --- a/src/share/vm/c1/c1_LIRGenerator.cpp +++ b/src/share/vm/c1/c1_LIRGenerator.cpp @@ -2295,7 +2295,7 @@ void LIRGenerator::do_UnsafeGetObject(UnsafeGetObject* x) { if (gen_type_check) { // We have determined that offset == referent_offset && src != null. // if (src->_klass->_reference_type == REF_NONE) -> continue - __ move(new LIR_Address(src.result(), oopDesc::klass_offset_in_bytes(), UseCompressedKlassPointers ? T_OBJECT : T_ADDRESS), src_klass); + __ move(new LIR_Address(src.result(), oopDesc::klass_offset_in_bytes(), T_ADDRESS), src_klass); LIR_Address* reference_type_addr = new LIR_Address(src_klass, in_bytes(InstanceKlass::reference_type_offset()), T_BYTE); LIR_Opr reference_type = new_register(T_INT); __ move(reference_type_addr, reference_type); |