Some more fixes.

Lots of changes.

Note that this is mostly a prototype at this stage; still, any feedback is welcome.

Do you have some specific Stream binary in mind?

Will definitely split it into non-Linux specific part, and the Linux-specific one, but I think it's easier to review as a whole.

Implement Konstantin's suggestions.

Rework the sysent to reduce code duplication.

Restore build fixes.

Get rid of SVC_LINUX, prefill this field first instead.

No idea; I'll try to test.

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Nice! Regarding GET_SYSCALL_INFO - this reminded me that I also had a patch for this, https://reviews.freebsd.org/D28212; I guess we should try merging our changes.

Yeah; I think it's acceptable, given it's a separate library and not libc.

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Add const, move 'static' first, and add __thread for stuff touched
by des_init().

Rebase, improve the consistency of procctl(2) API, and add Linux bits.

Fix after rebase.

Rebase.

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Much weirder than that. Strace, on the AppImage I'm using for testing, shows this:

[pid  1792] mount("scribus-1.5.6.1-linux-x86_64.AppImage", "/tmp/.mount_scribuH15vRB", "fuse.scribus-1.5.6.1-linux-x86_6"..., MS_RDONLY|MS_NOSUID|MS_NODEV, "fd=5,rootmode=40000,user_id=0,gr"...) = 0

FWIW, splice: https://reviews.freebsd.org/D30597

It already suggest that's the case, though: "XXX: The following bits (from CPUID to FLAGM) were originally incorrect, but later changed to match the Linux definitions."

This looks really interesting, thanks for working on it!

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Looks fine, please go ahead.

Another attempt to fix build.

Update the struct layout and defines.

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Ah, sorry. I've removed AT_HWCAP2; the AT_PAGESZ was there before, just out of order.

Drop LINUX_AT_HWCAP2.

Hm, can you point me at the exact line?