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/MCStreamer.cpp b/lib/MC/MCStreamer.cpp
index d02e553..4839c34 100644
--- a/lib/MC/MCStreamer.cpp
+++ b/lib/MC/MCStreamer.cpp
@@ -24,8 +24,7 @@
MCStreamer::MCStreamer(StreamerKind Kind, MCContext &Ctx)
: Kind(Kind), Context(Ctx), EmitEHFrame(true), EmitDebugFrame(false),
CurrentW64UnwindInfo(0), LastSymbol(0), AutoInitSections(false) {
- const MCSection *section = 0;
- SectionStack.push_back(std::make_pair(section, section));
+ SectionStack.push_back(std::pair<MCSectionSubPair, MCSectionSubPair>());
}
MCStreamer::~MCStreamer() {
@@ -40,9 +39,8 @@
EmitDebugFrame = false;
CurrentW64UnwindInfo = 0;
LastSymbol = 0;
- const MCSection *section = 0;
SectionStack.clear();
- SectionStack.push_back(std::make_pair(section, section));
+ SectionStack.push_back(std::pair<MCSectionSubPair, MCSectionSubPair>());
}
const MCExpr *MCStreamer::BuildSymbolDiff(MCContext &Context,
@@ -188,15 +186,15 @@
void MCStreamer::EmitLabel(MCSymbol *Symbol) {
assert(!Symbol->isVariable() && "Cannot emit a variable symbol!");
- assert(getCurrentSection() && "Cannot emit before setting section!");
- Symbol->setSection(*getCurrentSection());
+ assert(getCurrentSection().first && "Cannot emit before setting section!");
+ Symbol->setSection(*getCurrentSection().first);
LastSymbol = Symbol;
}
void MCStreamer::EmitDebugLabel(MCSymbol *Symbol) {
assert(!Symbol->isVariable() && "Cannot emit a variable symbol!");
- assert(getCurrentSection() && "Cannot emit before setting section!");
- Symbol->setSection(*getCurrentSection());
+ assert(getCurrentSection().first && "Cannot emit before setting section!");
+ Symbol->setSection(*getCurrentSection().first);
LastSymbol = Symbol;
}