ART: Add precise root visiting
Add VisitRootFlags::kVisitRootFlagPrecise to signal a
request for precise RootInfo objects.
Move VisitRootFlags to gc_root.h. Refactor VisitRoot
functions to pass flags. Add code in Thread visiting
to decode vregs in compiled code.
Bug: 31385354
Test: m test-art-host
Change-Id: I8e7280f0ab682871f729f2a1c6b18670cf2dbf82
diff --git a/runtime/stack.h b/runtime/stack.h
index d02e4b7..b1e99e5 100644
--- a/runtime/stack.h
+++ b/runtime/stack.h
@@ -595,6 +595,12 @@
// Return 'true' if we should continue to visit more frames, 'false' to stop.
virtual bool VisitFrame() REQUIRES_SHARED(Locks::mutator_lock_) = 0;
+ enum class CountTransitions {
+ kYes,
+ kNo,
+ };
+
+ template <CountTransitions kCount = CountTransitions::kYes>
void WalkStack(bool include_transitions = false)
REQUIRES_SHARED(Locks::mutator_lock_);