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 21namespace 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/// 26class NVPTXSection : public MCSection { 27 virtual void anchor(); 28public: 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