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Why are the base addresses for Cygwin executable so high?


Hi,

I've noticed that Cygwin related executables (including ones compiled myself) seem to have a base address of 0x100400000, whereas all other windows executables seem to use 0x400000.
Is there a particular reason why Cygwin executables need to start so high up? What's going on in the 4GB underneath them?
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