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Diffstat (limited to 'lib/CodeGen/AsmPrinter/AddressPool.h')
-rw-r--r-- | lib/CodeGen/AsmPrinter/AddressPool.h | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/lib/CodeGen/AsmPrinter/AddressPool.h b/lib/CodeGen/AsmPrinter/AddressPool.h new file mode 100644 index 0000000000..2c391fa648 --- /dev/null +++ b/lib/CodeGen/AsmPrinter/AddressPool.h @@ -0,0 +1,39 @@ +//===-- llvm/CodeGen/AddressPool.h - Dwarf Debug Framework -----*- C++ -*--===// +// +// The LLVM Compiler Infrastructure +// +// This file is distributed under the University of Illinois Open Source +// License. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// + +#ifndef CODEGEN_ASMPRINTER_ADDRESSPOOL_H__ +#define CODEGEN_ASMPRINTER_ADDRESSPOOL_H__ + +#include "llvm/ADT/DenseMap.h" + +namespace llvm { +class MCSection; +class MCSymbol; +class AsmPrinter; +// Collection of addresses for this unit and assorted labels. +// A Symbol->unsigned mapping of addresses used by indirect +// references. +class AddressPool { + struct AddressPoolEntry { + unsigned Number; + bool TLS; + AddressPoolEntry(unsigned Number, bool TLS) : Number(Number), TLS(TLS) {} + }; + DenseMap<const MCSymbol *, AddressPoolEntry> Pool; +public: + /// \brief Returns the index into the address pool with the given + /// label/symbol. + unsigned getIndex(const MCSymbol *Sym, bool TLS = false); + + void emit(AsmPrinter &Asm, const MCSection *AddrSection); + + bool isEmpty() { return Pool.empty(); } +}; +} +#endif |