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From "Gregory Shimansky (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HARMONY-4981) [drlvm][jvmti] single step crash in the virtual method
Date Fri, 19 Oct 2007 21:20:50 GMT

    [ https://issues.apache.org/jira/browse/HARMONY-4981?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12536346

Gregory Shimansky commented on HARMONY-4981:

Yes I've reproduced the crash. It appears like invokevirtual is actually compiled 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've made a real switch for bytecode types, not for instruction
types, assertions started to fail. I'll try to fix this by further restructuring single step
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/EventTest014
> harmonyvm.dll!_assert(const char * expr=0x007ff358, const char * filename=0x007ff300,
unsigned int lineno=526)  Line 295	C
> harmonyvm.dll!jvmti_start_single_step_in_virtual_method(DebugUtilsTI * ti=0x01314328,
const VMBreakPoint * bp=0x0013f1d8, const unsigned int data=1, const unsigned char bytecode='ΒΆ')
 Line 526 + 0x1a	C++
> harmonyvm.dll!jvmti_process_jit_single_step_event(TIEnv * unused_env=0x00000000, const
VMBreakPoint * bp=0x0013f1d8, const unsigned int data=1)  Line 616 + 0x15	C++
> harmonyvm.dll!VMBreakPoints::process_native_breakpoint()  Line 667 + 0x25	C++
> harmonyvm.dll!process_native_breakpoint_event()  Line 1324	C++
> harmonyvm.dll!asm_process_native_breakpoint_event()  Line 1336	C++

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