[ https://issues.apache.org/jira/browse/HARMONY-5033?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Ilya Berezhniuk updated HARMONY-5033:
-------------------------------------
Attachment: H-5033.patch
With HARMONY-5035 fixed, the simple test and JDWP tests do not crash.
I've tried simple test, and got the following result when Java code sets 'null' object value:
1) for uncompressed mode object pointer is NULL;
2) for compressed mode FieldModification callback reports non-null jobject pointing to managed_null
(i.e. start address of Java heap). RE reports null jobject in this case.
Suggested patch fixes this problem.
> [drlvm][jvmti] FieldModificationEvent should support compressed references on x86_64
> ------------------------------------------------------------------------------------
>
> Key: HARMONY-5033
> URL: https://issues.apache.org/jira/browse/HARMONY-5033
> Project: Harmony
> Issue Type: Bug
> Components: DRLVM
> Environment: Linux/Windows x86_64
> Reporter: Gregory Shimansky
> Attachments: buildrun.bat, buildrun.sh, H-5033.patch, test.cpp, Test.java
>
>
> In the jvmti_field_modification_callback argument p_new_value contains an uncompressed
reference from JIT stack. It has to be compressed in compressed mode to create an argument
for JVMTI callback. The following 2 tests crash currently:
> org.apache.harmony.jpda.tests.jdwp.Events.FieldModification002Test
> org.apache.harmony.jpda.tests.jdwp.Events.FieldModificationTest
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