<html><body><div style="color:#000; background-color:#fff; font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font-size:12pt"><div><span></span><span style="" class="yiv2823908015"> <br style=""></span></div><div style="font-family: HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif; font-size: 12pt;"><div class="y_msg_container"><div id="yiv2823908015"><div><div style="color:#000;background-color:#fff;font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font-size:12pt;"><div class="yiv2823908015" style="color:rgb(0, 0, 0);font-size:16px;font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;background-color:transparent;font-style:normal;"><span style="" class="yiv2823908015"> Hello all,</span></div><div class="yiv2823908015" style="color:rgb(0, 0, 0);font-size:16px;font-family:HelveticaNeue,
Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;background-color:transparent;font-style:normal;"><br style="" class="yiv2823908015"><span style="" class="yiv2823908015"></span></div><div class="yiv2823908015" style="color:rgb(0, 0, 0);font-size:16px;font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;background-color:transparent;
font-style:normal;"><span style="" class="yiv2823908015"> I need to get all dependencies of a .so file. I tried using needed_library_begin/needed_library_end but they seem not to give the dependencies but something else (if anything)</span> I cannot quite figure out what. I tried testing with Linux's ls. I ran "ldd ls" (ldd is Linux-only)<span style="" class="yiv2823908015"> and got about six dependencies - as an example for one of them I can remember libc. Then I tried this code:</span></div><div class="yiv2823908015" style="color:rgb(0, 0, 0);font-size:16px;font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;background-color:transparent;font-style:normal;"><span style="" class="yiv2823908015"> <br style="" class="yiv2823908015"></span></div><div class="yiv2823908015" style="color:rgb(0, 0, 0);font-size:16px;font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande,
sans-serif;background-color:transparent;font-style:normal;"><span style="" class="yiv2823908015"></span><span style="" class="yiv2823908015"> for (auto dep = ObjectFile->needed_library_begin(); dep != ObjectFile->needed_library_end(); ++dep)<br style="" class="yiv2823908015"> {<br style="" class="yiv2823908015"> llvm::StringRef Path;<br style="" class="yiv2823908015"> if (!dep->getPath(Path))</span></div><div class="yiv2823908015" style="color:rgb(0, 0, 0);font-size:16px;font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;background-color:transparent;font-style:normal;"><span style="" class="yiv2823908015"> </span><span style="" class="yiv2823908015">
</span><span style="" class="yiv2823908015"> </span><span style="" class="yiv2823908015"> ...</span><span style="" class="yiv2823908015"><br style="" class="yiv2823908015"></span></div><div class="yiv2823908015" style="color:rgb(0, 0, 0);font-size:16px;font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;background-color:transparent;font-style:normal;"><span style="" class="yiv2823908015"> }</span></div><div class="yiv2823908015" style="color:rgb(0, 0, 0);font-size:16px;font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;background-color:transparent;font-style:normal;"><br style="" class="yiv2823908015"><span style="" class="yiv2823908015"></span></div><div class="yiv2823908015" style="color:rgb(0, 0, 0);font-size:16px;font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande,
sans-serif;background-color:transparent;font-style:normal;"><span style="" class="yiv2823908015"> where ObjectFile represents the opened *.so - this pointer is guaranteed to be correct because I read all exported symbols from it in the same function. Further, I opened both ls and *.so with a text editor. They
are, of course, binaries, but their dependencies can actually be seen as text fragments inside. So Clang should be able to read them in some manner, I just don't know what. This is why I'll appreciate your help.</span></div><div class="yiv2823908015" style="color:rgb(0, 0, 0);font-size:16px;font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;background-color:transparent;font-style:normal;"><span style="" class="yiv2823908015"> As a final, hopefully helpful, reference, I'm applying the code I use to successfully get the dependencies of a Windows DLL:</span></div><div class="yiv2823908015" style="color:rgb(0, 0, 0);font-size:16px;font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;background-color:transparent;font-style:normal;"><span style="" class="yiv2823908015"><br></span></div><div class="yiv2823908015" style="color:rgb(0, 0,
0);font-size:16px;font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;background-color:transparent;font-style:normal;"><span style="" class="yiv2823908015"> if (auto COFFObjectFile = llvm::dyn_cast<llvm::object::COFFObjectFile>(ObjectFile))<br style="" class="yiv2823908015"> {<br style="" class="yiv2823908015"> for (auto dep = COFFObjectFile->import_directory_begin(); dep != COFFObjectFile->import_directory_end(); ++dep)<br style="" class="yiv2823908015"> {<br style="" class="yiv2823908015"> llvm::StringRef Name;<br style=""
class="yiv2823908015"> if (!dep->getName(Name) && (Name.endswith(".dll") || Name.endswith(".DLL")))<br style="" class="yiv2823908015"> ...<br style="" class="yiv2823908015"> }<br style="" class="yiv2823908015"> }<br style="" class="yiv2823908015"></span></div><div class="yiv2823908015" style="color:rgb(0, 0, 0);font-size:16px;font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;background-color:transparent;font-style:normal;"><span style="" class="yiv2823908015"> </span><span style="" class="yiv2823908015"> </span><span style=""
class="yiv2823908015"><br></span></div><div class="yiv2823908015" style="color:rgb(0, 0, 0);font-size:16px;font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;background-color:transparent;font-style:normal;"><span class="yiv2823908015tab"> </span>Regards,</div><div class="yiv2823908015" style="color:rgb(0, 0, 0);
font-size:16px;font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;background-color:transparent;font-style:normal;"><span class="yiv2823908015tab"> </span>Dimitar Dobrev<br><span style="" class="yiv2823908015"></span></div><div class="yiv2823908015" style="color:rgb(0, 0, 0);font-size:16px;font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;background-color:transparent;font-style:normal;"><span style="" class="yiv2823908015"></span><span style="" class="yiv2823908015"> <br style="" class="yiv2823908015"></span></div></div></div></div><br><br></div> </div><div class="qtdSeparateBR"><br><br></div><div style="display: block;" class="yahoo_quoted"><div style="font-family: HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif; font-size: 12pt;"> </div> </div> </div></body></html>