+
+#include "AddressPool.h"
+#include "llvm/CodeGen/AsmPrinter.h"
+#include "llvm/MC/MCStreamer.h"
+#include "llvm/Target/TargetLoweringObjectFile.h"
+
+using namespace llvm;
+
+class MCExpr;
+
+unsigned AddressPool::getIndex(const MCSymbol *Sym, bool TLS) {
+ auto IterBool =
+ Pool.insert(std::make_pair(Sym, AddressPoolEntry(Pool.size(), TLS)));
+ return IterBool.first->second.Number;
+}
+
+// Emit addresses into the section given.
+void AddressPool::emit(AsmPrinter &Asm, const MCSection *AddrSection) {
+ if (Pool.empty())
+ return;
+
+ // Start the dwarf addr section.
+ Asm.OutStreamer.SwitchSection(AddrSection);
+
+ // Order the address pool entries by ID
+ SmallVector<const MCExpr *, 64> Entries(Pool.size());
+
+ for (const auto &I : Pool)
+ Entries[I.second.Number] =
+ I.second.TLS
+ ? Asm.getObjFileLowering().getDebugThreadLocalSymbol(I.first)
+ : MCSymbolRefExpr::Create(I.first, Asm.OutContext);
+
+ for (const MCExpr *Entry : Entries)
+ Asm.OutStreamer.EmitValue(Entry, Asm.getDataLayout().getPointerSize());
+}