commit a2d29a3a772f17014197e829aa8cb41026f88f05
author David Srbecky <dsrbecky@google.com> Fri Aug 03 11:06:38 2018 +0100
committer David Srbecky <dsrbecky@google.com> Fri Aug 03 16:00:00 2018 +0100
tree 5fea3c3e18db733655c55fdd91175f9870b4ad35
parent 8e7ddc234ecbde21b0e6755cf66bcad858a817d2

Add stack map fast path for GC.

Test: test-art-host-gtest-stack_map_test
Change-Id: Ia04a07b560fcce2fb955d66d1924ee224dec420d

runtime/thread.cc

diff --git a/runtime/thread.cc b/runtime/thread.cc
index 69ac01e..0703a07 100644
--- a/runtime/thread.cc
+++ b/runtime/thread.cc
@@ -3604,7 +3604,9 @@
       StackReference<mirror::Object>* vreg_base = reinterpret_cast<StackReference<mirror::Object>*>(
           reinterpret_cast<uintptr_t>(cur_quick_frame));
       uintptr_t native_pc_offset = method_header->NativeQuickPcOffset(GetCurrentQuickFramePc());
-      CodeInfo code_info(method_header);
+      CodeInfo code_info(method_header, kPrecise
+          ? CodeInfo::DecodeFlags::Default  // We will need dex register maps.
+          : CodeInfo::DecodeFlags::GcMasksOnly);
       StackMap map = code_info.GetStackMapForNativePcOffset(native_pc_offset);
       DCHECK(map.IsValid());
 
@@ -3621,7 +3623,7 @@
             vreg_info.VisitStack(&new_ref, i, this);
             if (ref != new_ref) {
               ref_addr->Assign(new_ref);
-           }
+            }
           }
         }
       }