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author Alex Light <allight@google.com> 2018-04-02 11:28:50 -0700
committer Alex Light <allight@google.com> 2018-04-03 15:51:41 +0000
commitf28586390b055a5681e50617d729a3fa09792d9c (patch)
treef213a9d41709dea55d2c0a9014423ac27d04e952 /runtime/runtime_callbacks.h
parent30a2d9c61da75359dee4ce90236d19fc6341b07a (diff)
Revert^6 "Ensure that OSR still is possible with jvmti"
The instrumentation uninstall could set methods to non-debuggable boot.oat code. This could cause events to be missed due to methods being inlined. We needed to change the path so that we would only have the JIT/interpreter replace methods. We do this by adding a new callback that can be used to determine if a method needs to be debuggable and being more careful about replacing code when this is true. This reverts commit 5f3005c8844d851d7d218b88b5f90d6c9083ce24. This unreverts commit b9ad26d1ed9146b89555d4333021f44eeb831f05. Reason for revert: Fixed issue causing CTS version of test 993 failure. Test: cts-tradefed run cts-dev CtsJvmtiRunTest993HostTestCases Test: ./test.py --host -j50 --all -t 993 Test: ./test.py --host Test: while ./test/run-test --host --jit 1935; do; done Test: while ./test/run-test --host --jit --jvmti-redefine-stress 1935; do; done Test: am start --attach-agent -n com.example.android.displayingbitmaps/.ui.ImageGridActivity Run blur filter. Bug: 76226464 Bug: 77306669 Change-Id: I5068201a03f7613787c66981405499b6499c24e1
Diffstat (limited to 'runtime/runtime_callbacks.h')
-rw-r--r--runtime/runtime_callbacks.h9
1 files changed, 9 insertions, 0 deletions
diff --git a/runtime/runtime_callbacks.h b/runtime/runtime_callbacks.h
index 24386ba14a..9f0410d102 100644
--- a/runtime/runtime_callbacks.h
+++ b/runtime/runtime_callbacks.h
@@ -130,6 +130,10 @@ class MethodInspectionCallback {
// Note that '!IsMethodSafeToJit(m) implies IsMethodBeingInspected(m)'. That is that if this
// method returns false IsMethodBeingInspected must return true.
virtual bool IsMethodSafeToJit(ArtMethod* method) REQUIRES_SHARED(Locks::mutator_lock_) = 0;
+
+ // Returns true if we expect the method to be debuggable but are not doing anything unusual with
+ // it currently.
+ virtual bool MethodNeedsDebugVersion(ArtMethod* method) REQUIRES_SHARED(Locks::mutator_lock_) = 0;
};
class RuntimeCallbacks {
@@ -198,6 +202,11 @@ class RuntimeCallbacks {
// entrypoint should not be changed to JITed code.
bool IsMethodSafeToJit(ArtMethod* method) REQUIRES_SHARED(Locks::mutator_lock_);
+ // Returns true if some MethodInspectionCallback indicates the method needs to use a debug
+ // version. This allows later code to set breakpoints or perform other actions that could be
+ // broken by some optimizations.
+ bool MethodNeedsDebugVersion(ArtMethod* method) REQUIRES_SHARED(Locks::mutator_lock_);
+
void AddMethodInspectionCallback(MethodInspectionCallback* cb)
REQUIRES_SHARED(Locks::mutator_lock_);
void RemoveMethodInspectionCallback(MethodInspectionCallback* cb)