Re: [bug #66089] On macos mprotect can't be PROT_WRITE and PROT_EXEC at the same time

[Lorenzo Daneo]

Hello Bruno,

I'm using version 2.4 of libffcal compiled locally with HAVE_MPROTECT_AFTER_MMAP_CAN_EXEC set to 1.

I don't know why, but the installation with brew was going in error at line 87 in trampoline.c, so I suspected I had to pass something to brew as a parameter, but I couldn't find it was that variable until I tried to compile the library locally.

Anyway, I'm on MacOS Sonoma 14.5 with an Apple Silicon M2 chip.

Is the CI running on an Intel chip? I read somewhere that this behaviour (PROT_WRITE and PROT_EXEC not usable together) is only on Apple Silicon.

I'm trying to extract the stacktrace as you asked.

Best regards,

Lorenzo

Il giorno mer 14 ago 2024 alle ore 19:08 Bruno Haible <INVALID.NOREPLY@gnu.org> ha scritto:

Follow-up Comment #2, bug #66089 (group libffcall):

Also:

Which version of libffcall are you using?

What exactly is the scenario (test program) that causes the SIGABRT on macOS?

I'm asking because my continuous integration of libffcall shows no problems on
macOS versions 12, 13, 14: https://github.com/gnu-libffcall/ci-check/actions


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