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<p class="MsoNormal"><span style="mso-fareast-language:EN-US">LLD, doesn’t have a built-in linker script in the same way as GNU ld.bfd does.
<o:p></o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-US">Input Sections are mapped to OutputSections via a simple function
<a href="https://github.com/llvm/llvm-project/blob/main/lld/ELF/Writer.cpp#L98">https://github.com/llvm/llvm-project/blob/main/lld/ELF/Writer.cpp#L98</a> then sections are sorted according to rank in
<a href="https://github.com/llvm/llvm-project/blob/main/lld/ELF/Writer.cpp#L98">https://github.com/llvm/llvm-project/blob/main/lld/ELF/Writer.cpp#L98</a> hopefully the comments in those files will help reverse engineer a script that looks similar.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-US">In practice the default linker behaviour will most significantly differ from ld.bfd by sorting ro-data before ro-code rather than after. This tends towards 3 PT_LOAD program headers ro, ro+exec,
rw.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-US">Hope that helps<o:p></o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-US">Peter<o:p></o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-US"><o:p> </o:p></span></p>
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<p class="MsoNormal"><b><span lang="EN-US">From:</span></b><span lang="EN-US"> llvm-dev <llvm-dev-bounces@lists.llvm.org>
<b>On Behalf Of </b>jingduanyang via llvm-dev<br>
<b>Sent:</b> 25 October 2021 12:54<br>
<b>To:</b> llvm-dev@lists.llvm.org<br>
<b>Cc:</b> Weiwei (weiwei, Compiler) <weiwei64@huawei.com>; Zhangwen(Esan) <zwzhangwen.zhang@huawei.com><br>
<b>Subject:</b> [llvm-dev] Default linker script used by lld<o:p></o:p></span></p>
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<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><span lang="EN-US">Hi,<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Does anyone know the default linker script used by lld? This might be a silly question but I googled everywhere and couldn’t find an answer…<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Thanks,<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Duanyang<o:p></o:p></span></p>
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