[classlib] missing underscores in native dll exports?

[Andrey Chernyshev <a....@gmail.com>]

I've noticed that the vast majority of the exported function names in
the classlib native libraries do not have underscores. For example,
for luni.dll the export table looks like:
dumpbin /EXPORTS hyluni.dll
...
  233   E6 0000C230 Java_org_apache_harmony_math_util_BigInteger_subImpl

On the other hand, MS compiler adds underscores to function names if
they are declared as __stdcall (which is same as JNICALL) by default.
If compile a native library as written in the JNI tutorial, the
resulted dll would also contain the underscores, e.g. the exported
name would be like:
      1    0 00001000 _Java_Test_test@8

Are the underscores switched off intentionally in the classlib's build?
I've also noticed that the underscores are generated for DRLVM's
kernel classes (those natives are in vmcore.dll):
       543  222 00068660 _Java_java_lang_Class_getStackClasses@16

Any ideas which naming scheme is the correct one for Windows?

-- 
Andrey Chernyshev
Intel Middleware Products Division

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