From: Eli Zaretskii <eliz@gnu.org>
To: Jon Turney <jon.turney@dronecode.org.uk>
Cc: gdb-patches@sourceware.org
Subject: Re: [PATCH] gdb: recognize 64 bits Windows executables as Cygwin osabi
Date: Tue, 10 Mar 2020 17:16:12 +0200 [thread overview]
Message-ID: <83pndk9r5v.fsf@gnu.org> (raw)
In-Reply-To: <85cd5fc2-8fa7-3612-b974-b3a3261bbb29@dronecode.org.uk> (message from Jon Turney on Sun, 8 Mar 2020 14:05:10 +0000)
> From: Jon Turney <jon.turney@dronecode.org.uk>
> Date: Sun, 8 Mar 2020 14:05:10 +0000
>
> >> So what we can do is add an "MS-Windows" osabi and make "Cygwin" and
> >> "MS-Windows" functionally equivalent. Any "pei-i386" or "pei-x86-64"
> >> executable would be detected as "MS-Windows".
>
> I believe this suggestion for x86_64 is wrong, in the other direction:
> x86_64 Cygwin is LP64, but Windows is LLP64 (Se also table in [1])
If the LP64 thing is part of what defines the OS ABI, then yes, Cygwin
should have a separate value.
> (currently 'print sizeof(long)' incorrectly returns 4 on a gdb built for
> Cygwin)
So I guess calling it "Cygwin" doesn't help? ;-)
next prev parent reply other threads:[~2020-03-10 15:16 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20200307041742.31158-1-simon.marchi@efficios.com>
[not found] ` <83zhcsa8my.fsf@gnu.org>
2020-03-07 16:51 ` Simon Marchi
2020-03-07 17:45 ` Eli Zaretskii
2020-03-07 18:16 ` Simon Marchi
2020-03-08 14:05 ` Jon Turney
2020-03-10 15:16 ` Eli Zaretskii [this message]
2020-03-10 15:45 ` Simon Marchi
2020-03-14 15:35 ` Jon Turney
2020-03-09 15:39 ` Jon Turney
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