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| author | Rafael Espindola <rafael.espindola@gmail.com> | 2011-06-05 01:20:06 +0000 |
|---|---|---|
| committer | Rafael Espindola <rafael.espindola@gmail.com> | 2011-06-05 01:20:06 +0000 |
| commit | 378e0ecf24cd980a4551299f0bd90725b479b401 (patch) | |
| tree | 30c7266be71fb92e1aa09d37948a1f2c1a01a885 /lib/MC/ELFObjectWriter.cpp | |
| parent | 8f1282d9cb44a64104581fc33d79af64b2200222 (diff) | |
| download | external_llvm-378e0ecf24cd980a4551299f0bd90725b479b401.zip external_llvm-378e0ecf24cd980a4551299f0bd90725b479b401.tar.gz external_llvm-378e0ecf24cd980a4551299f0bd90725b479b401.tar.bz2 | |
Produce an undefined reference to _GLOBAL_OFFSET_TABLE_ if we have a
VK_GOTOFF reloc. This matches as' behavior, but it is not clear why the linker
might need this, so I added a FIXME.
I could test this by duplicating test/MC/ELF/got.s, but it doesn't look
worthwhile.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132655 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/MC/ELFObjectWriter.cpp')
| -rw-r--r-- | lib/MC/ELFObjectWriter.cpp | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/lib/MC/ELFObjectWriter.cpp b/lib/MC/ELFObjectWriter.cpp index 86344d1..2369d58 100644 --- a/lib/MC/ELFObjectWriter.cpp +++ b/lib/MC/ELFObjectWriter.cpp @@ -62,6 +62,7 @@ bool ELFObjectWriter::RelocNeedsGOT(MCSymbolRefExpr::VariantKind Variant) { case MCSymbolRefExpr::VK_GOT: case MCSymbolRefExpr::VK_PLT: case MCSymbolRefExpr::VK_GOTPCREL: + case MCSymbolRefExpr::VK_GOTOFF: case MCSymbolRefExpr::VK_TPOFF: case MCSymbolRefExpr::VK_TLSGD: case MCSymbolRefExpr::VK_GOTTPOFF: @@ -556,6 +557,7 @@ void ELFObjectWriter::ComputeSymbolTable(MCAssembler &Asm, RevGroupMapTy RevGroupMap, unsigned NumRegularSections) { // FIXME: Is this the correct place to do this? + // FIXME: Why is an undefined reference to _GLOBAL_OFFSET_TABLE_ needed? if (NeedsGOT) { llvm::StringRef Name = "_GLOBAL_OFFSET_TABLE_"; MCSymbol *Sym = Asm.getContext().GetOrCreateSymbol(Name); |