1 //===- NVPTXSection.h - NVPTX-specific section representation -*- C++ -*-===// 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is distributed under the University of Illinois Open Source 6 // License. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 // 10 // This file declares the NVPTXSection class. 11 // 12 //===----------------------------------------------------------------------===// 13 14 #ifndef LLVM_NVPTXSECTION_H 15 #define LLVM_NVPTXSECTION_H 16 17 #include "llvm/IR/GlobalVariable.h" 18 #include "llvm/MC/MCSection.h" 19 #include <vector> 20 21 namespace llvm { 22 /// NVPTXSection - Represents a section in PTX 23 /// PTX does not have sections. We create this class in order to use 24 /// the ASMPrint interface. 25 /// 26 class NVPTXSection : public MCSection { 27 virtual void anchor(); 28 public: 29 NVPTXSection(SectionVariant V, SectionKind K) : MCSection(V, K) {} 30 virtual ~NVPTXSection() {} 31 32 /// Override this as NVPTX has its own way of printing switching 33 /// to a section. 34 void PrintSwitchToSection(const MCAsmInfo &MAI, 35 raw_ostream &OS, 36 const MCExpr *Subsection) const override {} 37 38 /// Base address of PTX sections is zero. 39 bool isBaseAddressKnownZero() const override { return true; } 40 bool UseCodeAlign() const override { return false; } 41 bool isVirtualSection() const override { return false; } 42 std::string getLabelBeginName() const override { return ""; } 43 std::string getLabelEndName() const override { return ""; } 44 }; 45 46 } // end namespace llvm 47 48 #endif 49
