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/MCSectionELF.cpp b/lib/MC/MCSectionELF.cpp
index 0775cfa..bf1a984 100644
--- a/lib/MC/MCSectionELF.cpp
+++ b/lib/MC/MCSectionELF.cpp
@@ -10,6 +10,7 @@
#include "llvm/MC/MCSectionELF.h"
#include "llvm/MC/MCAsmInfo.h"
#include "llvm/MC/MCContext.h"
+#include "llvm/MC/MCExpr.h"
#include "llvm/MC/MCSymbol.h"
#include "llvm/Support/ELF.h"
#include "llvm/Support/raw_ostream.h"
@@ -32,10 +33,14 @@
}
void MCSectionELF::PrintSwitchToSection(const MCAsmInfo &MAI,
- raw_ostream &OS) const {
+ raw_ostream &OS,
+ const MCExpr *Subsection) const {
if (ShouldOmitSectionDirective(SectionName, MAI)) {
- OS << '\t' << getSectionName() << '\n';
+ OS << '\t' << getSectionName();
+ if (Subsection)
+ OS << '\t' << *Subsection;
+ OS << '\n';
return;
}
@@ -129,6 +134,9 @@
if (Flags & ELF::SHF_GROUP)
OS << "," << Group->getName() << ",comdat";
OS << '\n';
+
+ if (Subsection)
+ OS << "\t.subsection\t" << *Subsection << '\n';
}
bool MCSectionELF::UseCodeAlign() const {