// should be printed before the section name
bool MCSectionCOFF::ShouldOmitSectionDirective(StringRef Name,
const MCAsmInfo &MAI) const {
-
+ if (COMDATSymbol)
+ return false;
+
// FIXME: Does .section .bss/.data/.text work everywhere??
if (Name == ".text" || Name == ".data" || Name == ".bss")
return true;
return false;
}
+void MCSectionCOFF::setSelection(int Selection) const {
+ assert(Selection != 0 && "invalid COMDAT selection type");
+ this->Selection = Selection;
+ Characteristics |= COFF::IMAGE_SCN_LNK_COMDAT;
+}
+
void MCSectionCOFF::PrintSwitchToSection(const MCAsmInfo &MAI,
- raw_ostream &OS) const {
-
+ raw_ostream &OS,
+ const MCExpr *Subsection) const {
+
// standard sections don't require the '.section'
if (ShouldOmitSectionDirective(SectionName, MAI)) {
OS << '\t' << getSectionName() << '\n';
OS << "\t.section\t" << getSectionName() << ",\"";
if (getKind().isText())
OS << 'x';
+ else if (getKind().isBSS())
+ OS << 'b';
if (getKind().isWriteable())
OS << 'w';
else
OS << 'r';
- if (getCharacteristics() & MCSectionCOFF::IMAGE_SCN_MEM_DISCARDABLE)
+ if (getCharacteristics() & COFF::IMAGE_SCN_MEM_DISCARDABLE)
OS << 'n';
- OS << "\"\n";
-
- if (getCharacteristics() & MCSectionCOFF::IMAGE_SCN_LNK_COMDAT) {
+ if (getCharacteristics() & COFF::IMAGE_SCN_CNT_INITIALIZED_DATA)
+ OS << 'd';
+ OS << '"';
+
+ if (getCharacteristics() & COFF::IMAGE_SCN_LNK_COMDAT) {
+ OS << ",";
switch (Selection) {
- case IMAGE_COMDAT_SELECT_NODUPLICATES:
- OS << "\t.linkonce one_only\n";
+ case COFF::IMAGE_COMDAT_SELECT_NODUPLICATES:
+ OS << "one_only,";
+ break;
+ case COFF::IMAGE_COMDAT_SELECT_ANY:
+ OS << "discard,";
break;
- case IMAGE_COMDAT_SELECT_ANY:
- OS << "\t.linkonce discard\n";
+ case COFF::IMAGE_COMDAT_SELECT_SAME_SIZE:
+ OS << "same_size,";
break;
- case IMAGE_COMDAT_SELECT_SAME_SIZE:
- OS << "\t.linkonce same_size\n";
+ case COFF::IMAGE_COMDAT_SELECT_EXACT_MATCH:
+ OS << "same_contents,";
break;
- case IMAGE_COMDAT_SELECT_EXACT_MATCH:
- OS << "\t.linkonce same_contents\n";
+ case COFF::IMAGE_COMDAT_SELECT_ASSOCIATIVE:
+ OS << "associative,";
+ break;
+ case COFF::IMAGE_COMDAT_SELECT_LARGEST:
+ OS << "largest,";
+ break;
+ case COFF::IMAGE_COMDAT_SELECT_NEWEST:
+ OS << "newest,";
break;
- //NOTE: as of binutils 2.20, there is no way to specifiy select largest
- // with the .linkonce directive. For now, we treat it as an invalid
- // comdat selection value.
- case IMAGE_COMDAT_SELECT_LARGEST:
- // OS << "\t.linkonce largest\n";
- // break;
default:
assert (0 && "unsupported COFF selection type");
break;
}
+ assert(COMDATSymbol);
+ OS << *COMDATSymbol;
}
+ OS << '\n';
+}
+
+bool MCSectionCOFF::UseCodeAlign() const {
+ return getKind().isText();
+}
+
+bool MCSectionCOFF::isVirtualSection() const {
+ return getCharacteristics() & COFF::IMAGE_SCN_CNT_UNINITIALIZED_DATA;
}