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Date: Wed, 17 Dec 2014 19:31:00 -0000
From: Eli Zaretskii <eliz@gnu.org>
Subject: Re: [patch] compile: Fix MinGW build  [Re: [mingw rfc] Add mkdtemp to gdb/gnulib/]
In-reply-to: <20141217191755.GE21574@host2.jankratochvil.net>
To: Jan Kratochvil <jan.kratochvil@redhat.com>
Cc: brobecker@adacore.com, yao@codesourcery.com, gdb-patches@sourceware.org, ktietz@redhat.com
Reply-to: Eli Zaretskii <eliz@gnu.org>
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References: <87a92pvc0w.fsf@codesourcery.com> <20141215124358.GU5457@adacore.com> <20141215171225.GA19674@host2.jankratochvil.net> <20141215181449.GA5457@adacore.com> <20141215182057.GA22226@host2.jankratochvil.net> <20141215183554.GB5457@adacore.com> <20141215184014.GA22610@host2.jankratochvil.net> <83y4q8wxk7.fsf@gnu.org> <20141215222801.GA28138@host2.jankratochvil.net> <83vblcw9hw.fsf@gnu.org> <20141217191755.GE21574@host2.jankratochvil.net>
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> Date: Wed, 17 Dec 2014 20:17:55 +0100
> From: Jan Kratochvil <jan.kratochvil@redhat.com>
> Cc: brobecker@adacore.com, yao@codesourcery.com, gdb-patches@sourceware.org,
>         ktietz@redhat.com
> 
> > > linux-tdep.c:
> > >   set_gdbarch_infcall_mmap (gdbarch, linux_infcall_mmap);
> > 
> > Why is mmap needed here?
> 
> The project obviously needs something like:
> 	(gdb) call dlopen("just compile piece of code.so");
> 
> But as dlopen() is intrusive to the inferior Tom decided it is better to do
> much less intrusive
> 	(gdb) print mmap(...)
> 
> instead and reimplement what inferior dlopen() does
> in gdb/compile/compile-object-load.c - which is being done.

Why is dlopen "intrusive"?  ISTM that using the Windows equivalent of
dlopen is exactly the right thing here.