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Date: Wed, 18 Apr 2001 15:37:57 -0400
Message-Id: <200104181937.PAA06551@greed.delorie.com>
From: DJ Delorie <dj AT redhat DOT com>
To: cygwin-apps AT cygwin DOT com
In-reply-to: <20010418151436.G3648@redhat.com> (message from Christopher
	Faylor on Wed, 18 Apr 2001 15:14:36 -0400)
Subject: Re: gcj && libjava for cygwin
References: <8D00C32549556B4E977F81DBC24E985DC839 AT crtsmail1 DOT technol_exch DOT corp DOT riotinto DOT org> <NEBBKJDPKLNNENPPIHCPGEGKLAAA DOT green AT redhat DOT com> <20010418151436 DOT G3648 AT redhat DOT com>


> On Wed, Apr 18, 2001 at 09:37:47AM -0700, Anthony Green wrote:
> >
> >> What I don't understand where _Jv_Sjlj_Throw and JNI_OnLoad are defined.
> >
> >JNI_OnLoad is a weak symbol -- see natFirstThread.cc.  Shared libraries of
> >JNI code define it. Do weak symbols not work on cygwin?
> 
> I don't think they do.
> 
> DJ, do you know for sure if weak symbols are even supported in PE?

Yes, PE has weak symbols (grep for C_NT_WEAK in bfd).  However, I
doubt they'd work with DLLs.  The import table doesn't have the
concept of "import this if it exists, else just leave it zero."