Re: [patch] compile: Fix MinGW build [Re: [mingw rfc] Add mkdtemp to gdb/gnulib/]

Eli Zaretskii
2014-12-17T19:31:31Z

> 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.