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Re: kern/56487 (binary compat broken for COMPAT_NETBSD32)
The following reply was made to PR kern/56487; it has been noted by GNATS.
From: Jason Thorpe <thorpej%me.com@localhost>
To: Martin Husemann <martin%duskware.de@localhost>
Cc: "gnats-bugs%netbsd.org@localhost" <gnats-bugs%NetBSD.org@localhost>
Subject: Re: kern/56487 (binary compat broken for COMPAT_NETBSD32)
Date: Fri, 5 Nov 2021 07:04:41 -0700
> On Nov 5, 2021, at 7:02 AM, Jason Thorpe <thorpej%me.com@localhost> wrote:
> This is because syscalls.master for COMPAT_NETBSD32 is wrong for =
> ns(struct compat_16_netbsd32___sigreturn14_args),
> .sy_call =3D (sy_call_t *)sys_nomodule
> }, /* 295 =3D compat_16_netbsd32___sigreturn14 */
> (Those functions do exist on aarch64 and amd64.). This was all masked =
before because sigcontext wasn=E2=80=99t being used by libc.
Ah, no, I=E2=80=99m wrong, but only slightly=E2=80=A6 it=E2=80=99s =
intended that the =E2=80=9Ccompat_16=E2=80=9D module get loaded. But =
it=E2=80=99s likely that in the PK_32 case, we need to load a different =
one, and possibly hook it differently? What a mess.
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