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How does OS X run 64-bit Binaries while running on a 32-bit Kernel?

Fresh7 days ago
Mar 15, 20264400 views
Confidence Score0%
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Problem

I have recently figured out that Mac OS X actually CAN run 64-bit (x64) applications even if x86 kernel is loaded. That was shocking for me for a first time. But then I've realized that it is really weird if system is up and running under x64 compatible CPU can't run x64 applications, no matter wha…

Error Output

/usr/lib64

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1 Fix

Canonical Fix
Unverified Fix
New Fix – Awaiting Verification

Fix for: How does OS X run 64-bit Binaries while running on a 32-bit Kernel?

Low Risk

The real question would be why some other operating systems can't run 64-bit binaries on a 32-bit kernel. There is no fundamental reason why it wouldn't be possible. The underlying processor architecture supports both a 64-bit instruction set (amd64…

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Environment