Subzero. Uses fixups to calculate addend to relocations.

src/IceELFSection.h

Index: src/IceELFSection.h
diff --git a/src/IceELFSection.h b/src/IceELFSection.h
index 24d814b6a52540c2eb6211cea3e2d71c92d9b94f..67e8483cd5be52f630531357e5b1fccd6695c64a 100644
--- a/src/IceELFSection.h
+++ b/src/IceELFSection.h
@@ -367,13 +367,6 @@ void ELFRelocationSection::writeData(const GlobalContext &Ctx, ELFStreamer &Str,
       Rela.r_offset = Fixup.position();
       Rela.setSymbolAndType(Symbol->getNumber(), Fixup.kind());
       Rela.r_addend = Fixup.offset();
-      if (Fixup.kind() == llvm::ELF::R_X86_64_PC32) {
-        // In ELF64, PC-relative relocations' addends need to account for the
-        // immediate size. For now, this is always 4 (because x86-64 sandboxed
-        // is the only ELF64 target currently implemented.)
-        constexpr int32_t RelocImmediateSize = 4;
-        Rela.r_addend -= RelocImmediateSize;
-      }
       Str.writeAddrOrOffset<IsELF64>(Rela.r_offset);
       Str.writeELFXword<IsELF64>(Rela.r_info);
       Str.writeELFXword<IsELF64>(Rela.r_addend);