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Gareth Rees 0b682800bc Handle errors from mmap and mprotect due to apple hardened runtime. 
On Apple Silicon, when Hardened Runtime is in force and the
application lacks the "Allow Unsigned Executable Memory Entitlement",
mmap and mprotect return EACCES when an attempt is made to create or
modify memory so that it is simultaneously writable and executable.

This commit handles these cases by retrying the operation without the
PROT_EXEC flag, and setting global variables so that future operations
omit the flag.
2023-01-06 18:31:54 +00:00
mps Handle errors from mmap and mprotect due to apple hardened runtime. 2023-01-06 18:31:54 +00:00