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Date: | Mon, 26 Sep 2005 21:38:45 +1200 |
From: | Danny Smith <dannysmith AT clear DOT net DOT nz> |
Subject: | Re; Visibility of compiler symbols between executables and DLLs |
To: | nick DOT glencross AT gmail DOT com |
Cc: | Cygwin <cygwin AT cygwin DOT com> |
Reply-to: | Danny Smith <dannysmith AT users DOT sourceforge DOT net> |
Message-id: | <000f01c5c27e$181319e0$e66d65da@DANNY> |
MIME-version: | 1.0 |
Nick Glencross wrote: > On many platforms compilation symbols in an executable are not made > visible to its Shared Library/DLLs by default, but this can often be > overridden with a compiler flag to change the policy. My question in a > nutshell then is whether cygwin has the ability to have a DLL access a > global variable within the executable that loads it? As an obvious > follow on, if yes, then how do you go about doing it? > http://sources.redhat.com/cgi-bin/cvsweb.cgi/src/winsup/mingw/samples/dlltest/?c vsroot=src has an old example (ca 1998). You can find more recent examples, using 'gcc -shared' rather than dlltool, in cygwin archives. Danny -- Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple Problem reports: http://cygwin.com/problems.html Documentation: http://cygwin.com/docs.html FAQ: http://cygwin.com/faq/
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