On Mon, 15 Feb 2021 23:15:46 GMT, Alex Menkov <amen...@openjdk.org> wrote:

>> Chris Plummer has updated the pull request incrementally with one additional 
>> commit since the last revision:
>> 
>>   Fix issue with findsym on windows build that doesn't have symbolic 
>> information.
>
> src/jdk.hotspot.agent/linux/native/libsaproc/LinuxDebuggerLocal.cpp line 350:
> 
>> 348:   // Note, objectName is ignored, and may in fact be NULL.
>> 349:   // lookup_symbol will always search all objects/libs
>> 350:   //AutoJavaString objectName_cstr(env, objectName);
> 
> I think it would be better to update AutoJavaString class to handle null 
> strings:
> `m_buf(str == NULL ? NULL : env->GetStringUTFChars(str, NULL)) `

The point is the argument is ignored, so it doesn't really matter if 
AutoJavaString can handle NULL. I  assume with your suggested fix that also 
want me to pass objectName_cstr to lookup_symbol() rather than an explicit 
NULL. I wanted the NULL to be explicit to help further convey that objectName 
is ignored.

-------------

PR: https://git.openjdk.java.net/jdk/pull/2567

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