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java: Use allocateDirect instead of wrap in copy_code #535

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merged 1 commit into from
Sep 27, 2020

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atoulme
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@atoulme atoulme commented Sep 27, 2020

Peeling off a change from #532 to single it out. This fixes a bug in how Java interfaces with JNI. JNI requires a direct buffer allocation instead of a heap bytebuffer.

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Can you rebase? This should fix the CI.

This is important, because wrap would use the underlying returned buffer,
while the EVMC interface specifically states it must be copied.
@axic axic changed the title Instead of using the heap, use a direct buffer allocation java: Use allocateDirect instead of wrap in copy_code Sep 27, 2020
@axic axic merged commit a2a3e32 into ethereum:master Sep 27, 2020
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3 participants