tree c6a0840e02abd927f2504ab91d38e64de49417d3
parent fa0175c0988dd542f008257232207a8b87ad6c63
author Nicolas Capens <capn@google.com> 1564435354 -0400
committer Nicolas Capens <nicolascapens@google.com> 1564503827 +0000

Specify the MAP_JIT flag when allocating executable memory on macOS

On macOS 10.14 and higher, executables that are code signed with the
"runtime" option cannot execute writable memory by default. They can opt
into this capability by specifying the "com.apple.security.cs.allow-jit"
code signing entitlement and allocating the region with the MAP_JIT flag.

Note this change only affects use of the Subzero backend of Reactor.

Bug: chromium:985816
Change-Id: I7ea213cc2b62b64c85c4c46a0d4f28e0bace5d21
Reviewed-on: https://swiftshader-review.googlesource.com/c/SwiftShader/+/34509
Tested-by: Nicolas Capens <nicolascapens@google.com>
Kokoro-Presubmit: kokoro <noreply+kokoro@google.com>
Reviewed-by: Alexis Hétu <sugoi@google.com>