Add support for subsections to the ELF assembler. Fixes PR8717.
Differential Revision: http://llvm-reviews.chandlerc.com/D598
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@179725 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/MC/MCELFStreamer.cpp b/lib/MC/MCELFStreamer.cpp
index 7faa6f4..116f86f 100644
--- a/lib/MC/MCELFStreamer.cpp
+++ b/lib/MC/MCELFStreamer.cpp
@@ -109,14 +109,15 @@
llvm_unreachable("invalid assembler flag!");
}
-void MCELFStreamer::ChangeSection(const MCSection *Section) {
+void MCELFStreamer::ChangeSection(const MCSection *Section,
+ const MCExpr *Subsection) {
MCSectionData *CurSection = getCurrentSectionData();
if (CurSection && CurSection->isBundleLocked())
report_fatal_error("Unterminated .bundle_lock when changing a section");
const MCSymbol *Grp = static_cast<const MCSectionELF *>(Section)->getGroup();
if (Grp)
getAssembler().getOrCreateSymbolData(*Grp);
- this->MCObjectStreamer::ChangeSection(Section);
+ this->MCObjectStreamer::ChangeSection(Section, Subsection);
}
void MCELFStreamer::EmitWeakReference(MCSymbol *Alias, const MCSymbol *Symbol) {
@@ -318,7 +319,7 @@
// entry in the module's symbol table (the first being the null symbol).
void MCELFStreamer::EmitFileDirective(StringRef Filename) {
MCSymbol *Symbol = getAssembler().getContext().GetOrCreateSymbol(Filename);
- Symbol->setSection(*getCurrentSection());
+ Symbol->setSection(*getCurrentSection().first);
Symbol->setAbsolute();
MCSymbolData &SD = getAssembler().getOrCreateSymbolData(*Symbol);
@@ -434,11 +435,13 @@
// Optimize memory usage by emitting the instruction to a
// MCCompactEncodedInstFragment when not in a bundle-locked group and
// there are no fixups registered.
- MCCompactEncodedInstFragment *CEIF = new MCCompactEncodedInstFragment(SD);
+ MCCompactEncodedInstFragment *CEIF = new MCCompactEncodedInstFragment();
+ insert(CEIF);
CEIF->getContents().append(Code.begin(), Code.end());
return;
} else {
- DF = new MCDataFragment(SD);
+ DF = new MCDataFragment();
+ insert(DF);
if (SD->getBundleLockState() == MCSectionData::BundleLockedAlignToEnd) {
// If this is a new fragment created for a bundle-locked group, and the
// group was marked as "align_to_end", set a flag in the fragment.