DynamoRIO / DynamoRIO/dynamorio
static DR re-attach extension support
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Description
Split from #2157
Pasting from PR #3049:
This brings up two thoughts:
1) For large data structures zeroing at exit is costly when there's no chance or re-attach: which is all of the time for regular non-static DR. Inside DR we only zero for doing_detach. We may want to export that for extensions.
2) We should add a re-attach test for drwrap.
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