> Date: Sat, 10 Oct 2020 23:19:19 +0200 (CEST)
> From: Mark Kettenis <[email protected]>
>
> On powerpc with the secure-plt ABI we need a .got section, even if the
> _GLOBAL_OFFSET_TABLE_ symbol isn't referenced. This is needed because
> the first three entries of the GOT are used by the dynamic linker.
>
> With this fix I can build executables of all flavours (including
> -static/-nopie).
Turns out that adding these GOT entries when using "ld -r" is a bad
idea. Dif below fixes that.
ok?
Index: gnu/llvm/lld/ELF/SyntheticSections.cpp
===================================================================
RCS file: /cvs/src/gnu/llvm/lld/ELF/SyntheticSections.cpp,v
retrieving revision 1.2
diff -u -p -r1.2 SyntheticSections.cpp
--- gnu/llvm/lld/ELF/SyntheticSections.cpp 11 Oct 2020 13:10:13 -0000
1.2
+++ gnu/llvm/lld/ELF/SyntheticSections.cpp 31 Oct 2020 23:37:11 -0000
@@ -604,7 +604,7 @@ GotSection::GotSection()
// ElfSym::globalOffsetTable.
if (ElfSym::globalOffsetTable && !target->gotBaseSymInGotPlt)
numEntries += target->gotHeaderEntriesNum;
- else if (config->emachine == EM_PPC)
+ else if (config->emachine == EM_PPC && !config->relocatable)
numEntries += target->gotHeaderEntriesNum;
}
