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Date: Fri, 19 Oct 2007 14:20:50 -0700 (PDT)
From: "Gregory Shimansky (JIRA)" <jira@apache.org>
To: commits@harmony.apache.org
Subject: [jira] Commented: (HARMONY-4981) [drlvm][jvmti] single step crash
 in the virtual method
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    [ https://issues.apache.org/jira/browse/HARMONY-4981?page=3Dcom.atlassi=
an.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12536346 ]=20

Gregory Shimansky commented on HARMONY-4981:
--------------------------------------------

Yes I've reproduced the crash. It appears like invokevirtual is actually co=
mpiled in several different forms in assembly. Previously it was handled as=
 a call to register which was meant to be for invokeinterface. Now that I'v=
e made a real switch for bytecode types, not for instruction types, asserti=
ons started to fail. I'll try to fix this by further restructuring single s=
tep in JVMTI both for x86 and x8_64.

> [drlvm][jvmti] single step crash in the virtual method
> ------------------------------------------------------
>
>                 Key: HARMONY-4981
>                 URL: https://issues.apache.org/jira/browse/HARMONY-4981
>             Project: Harmony
>          Issue Type: Bug
>          Components: DRLVM
>         Environment: win x86
>            Reporter: Alexei Fedotov
>
> After the recent changes the following stress test starts to fail:
> stress/org/apache/harmony/test/stress/jpda/jdwp/scenario/EVENT014/EventTe=
st014
> harmonyvm.dll!_assert(const char * expr=3D0x007ff358, const char * filena=
me=3D0x007ff300, unsigned int lineno=3D526)  Line 295=09C
> harmonyvm.dll!jvmti_start_single_step_in_virtual_method(DebugUtilsTI * ti=
=3D0x01314328, const VMBreakPoint * bp=3D0x0013f1d8, const unsigned int dat=
a=3D1, const unsigned char bytecode=3D'=C2=B6')  Line 526 + 0x1a=09C++
> harmonyvm.dll!jvmti_process_jit_single_step_event(TIEnv * unused_env=3D0x=
00000000, const VMBreakPoint * bp=3D0x0013f1d8, const unsigned int data=3D1=
)  Line 616 + 0x15=09C++
> harmonyvm.dll!VMBreakPoints::process_native_breakpoint()  Line 667 + 0x25=
=09C++
> harmonyvm.dll!process_native_breakpoint_event()  Line 1324=09C++
> harmonyvm.dll!asm_process_native_breakpoint_event()  Line 1336=09C++

--=20
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