diff options
Diffstat (limited to 'llvm/lib/MC/MCXCOFFStreamer.cpp')
| -rw-r--r-- | llvm/lib/MC/MCXCOFFStreamer.cpp | 26 |
1 files changed, 16 insertions, 10 deletions
diff --git a/llvm/lib/MC/MCXCOFFStreamer.cpp b/llvm/lib/MC/MCXCOFFStreamer.cpp index 63381b4..26f45ce 100644 --- a/llvm/lib/MC/MCXCOFFStreamer.cpp +++ b/llvm/lib/MC/MCXCOFFStreamer.cpp @@ -36,6 +36,20 @@ XCOFFObjectWriter &MCXCOFFStreamer::getWriter() { return static_cast<XCOFFObjectWriter &>(getAssembler().getWriter()); } +void MCXCOFFStreamer::changeSection(MCSection *Section, uint32_t Subsection) { + MCObjectStreamer::changeSection(Section, Subsection); + auto *Sec = static_cast<const MCSectionXCOFF *>(Section); + // We might miss calculating the symbols difference as absolute value before + // adding fixups when symbol_A without the fragment set is the csect itself + // and symbol_B is in it. + // TODO: Currently we only set the fragment for XMC_PR csects and DWARF + // sections because we don't have other cases that hit this problem yet. + // if (IsDwarfSec || CsectProp->MappingClass == XCOFF::XMC_PR) + // QualName->setFragment(F); + if (Sec->isDwarfSect() || Sec->getMappingClass() == XCOFF::XMC_PR) + Sec->getQualNameSymbol()->setFragment(CurFrag); +} + bool MCXCOFFStreamer::emitSymbolAttribute(MCSymbol *Sym, MCSymbolAttr Attribute) { auto *Symbol = cast<MCSymbolXCOFF>(Sym); @@ -89,16 +103,8 @@ void MCXCOFFStreamer::emitXCOFFSymbolLinkageWithVisibility( void MCXCOFFStreamer::emitXCOFFRefDirective(const MCSymbol *Symbol) { // Add a Fixup here to later record a relocation of type R_REF to prevent the // ref symbol from being garbage collected (by the binder). - MCFragment *DF = getCurrentFragment(); - const MCSymbolRefExpr *SRE = MCSymbolRefExpr::create(Symbol, getContext()); - std::optional<MCFixupKind> MaybeKind = - getAssembler().getBackend().getFixupKind("R_REF"); - if (!MaybeKind) - report_fatal_error("failed to get fixup kind for R_REF relocation"); - - MCFixupKind Kind = *MaybeKind; - MCFixup Fixup = MCFixup::create(DF->getContents().size(), SRE, Kind); - DF->addFixup(Fixup); + addFixup(MCSymbolRefExpr::create(Symbol, getContext()), + XCOFF::RelocationType::R_REF); } void MCXCOFFStreamer::emitXCOFFRenameDirective(const MCSymbol *Name, |