//===----------------------------------------------------------------------===//
-#ifndef LLVM_MC_CONSTANTPOOL_H
-#define LLVM_MC_CONSTANTPOOL_H
+#ifndef LLVM_MC_CONSTANTPOOLS_H
+#define LLVM_MC_CONSTANTPOOLS_H
+#include "llvm/ADT/MapVector.h"
#include "llvm/ADT/SmallVector.h"
+
namespace llvm {
class MCContext;
class MCExpr;
class MCSection;
class MCStreamer;
class MCSymbol;
+
+struct ConstantPoolEntry {
+ ConstantPoolEntry(MCSymbol *L, const MCExpr *Val, unsigned Sz)
+ : Label(L), Value(Val), Size(Sz) {}
+ MCSymbol *Label;
+ const MCExpr *Value;
+ unsigned Size;
+};
+
// A class to keep track of assembler-generated constant pools that are use to
// implement the ldr-pseudo.
class ConstantPool {
- typedef SmallVector<std::pair<MCSymbol *, const MCExpr *>, 4> EntryVecTy;
+ typedef SmallVector<ConstantPoolEntry, 4> EntryVecTy;
EntryVecTy Entries;
public:
// Add a new entry to the constant pool in the next slot.
// \param Value is the new entry to put in the constant pool.
+ // \param Size is the size in bytes of the entry
//
// \returns a MCExpr that references the newly inserted value
- const MCExpr *addEntry(const MCExpr *Value, MCContext &Context);
+ const MCExpr *addEntry(const MCExpr *Value, MCContext &Context,
+ unsigned Size);
// Emit the contents of the constant pool using the provided streamer.
void emitEntries(MCStreamer &Streamer);
// sections in a stable order to ensure that we have print the
// constant pools in a deterministic order when printing an assembly
// file.
- typedef MapVector<const MCSection *, ConstantPool> ConstantPoolMapTy;
+ typedef MapVector<MCSection *, ConstantPool> ConstantPoolMapTy;
ConstantPoolMapTy ConstantPools;
public:
- AssemblerConstantPools() {}
- ~AssemblerConstantPools() {}
-
void emitAll(MCStreamer &Streamer);
void emitForCurrentSection(MCStreamer &Streamer);
- const MCExpr *addEntry(MCStreamer &Streamer, const MCExpr *Expr);
+ const MCExpr *addEntry(MCStreamer &Streamer, const MCExpr *Expr,
+ unsigned Size);
private:
- ConstantPool *getConstantPool(const MCSection *Section);
- ConstantPool &getOrCreateConstantPool(const MCSection *Section);
+ ConstantPool *getConstantPool(MCSection *Section);
+ ConstantPool &getOrCreateConstantPool(MCSection *Section);
};
} // end namespace llvm