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Date: | Fri, 15 Jan 2010 11:40:16 +0100 |
From: | "Vincent R." <forumer AT smartmobili DOT com> |
To: | <cygwin AT cygwin DOT com> |
Subject: | Re: [cfe-dev] cygwin updates (was: dladdr and =?UTF-8?Q?Dl=5Finfo=29?= |
In-Reply-To: | <20100115101927.GG22230@calimero.vinschen.de> |
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On Fri, 15 Jan 2010 11:19:27 +0100, Corinna Vinschen <corinna-cygwin AT cygwin DOT com> wrote: > On Jan 15 11:07, Vincent R. wrote: >> >>> >> >>> On 14/01/2010 14:20, Reini Urban wrote: >> >>>> >> >>>> I have a working cygwin llvm and llvm-gcc, >> >>>> but had no time to produce a proper package yet. >> >>>> Attached are my cygport files and my local config. >> >>>> No patches were needed. >> >>>> >> >>>> But I haven't bothered to build clang yet, >> >>>> just the Clang llvmc plugin and llvm-gcc, >> >>>> which I thought is harder to build and gives us more gcc >> compatibility. >> >>> >> >>> Here's what I have so far for llvm/clang 2.6; the .cygport may be >> >>> missing something, it's been a few weeks since I've looked at it. >> >> >> >> On the cygwin mailinglist we came to some required clang patches. >> >> http://cygwin.com/ml/cygwin/2010-01/msg00587.html >> >> Sorry, untested, as I got unrelated linker errors. >> > >> > The change to tools/CIndex/CIndexer.cpp looks fine if it works. The >> > change to tools/driver/driver.cpp isn't really right; the code really >> > needs to be refactored. The changes to the non-C++ include paths in >> > lib/Frontend/InitHeaderSearch.cpp look a bit suspicious, but it's okay >> > anyway. The change to lib/Headers/stddef.h is completely wrong; what >> > is it supposed to fix? >> >> Still don't understand why cygwin doesn't implement dladdr, it would >> avoid >> some >> ugly ifdef... > > http://cygwin.com/acronyms/#SHTDI > http://cygwin.com/acronyms/#PTC It's not too difficult to add Dl_info definition (We will support only retrieving path name): typedef struct { const char *dli_fname[PATH_MAX]; /* Filename of defining object */ void *dli_fbase; /* NA */ const char *dli_sname; /* NA */ void *dli_saddr; /* NA */ } Dl_info; int dladdr(void *addr, Dl_info *info) { // see http://trac.enlightenment.org/e/browser/trunk/PROTO/evil/src/lib/dlfcn/dlfcn.c // for an implementation } Regards -- Problem reports: http://cygwin.com/problems.html FAQ: http://cygwin.com/faq/ Documentation: http://cygwin.com/docs.html Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple
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