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No functionality change. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77432 91177308-0d34-0410-b5e6-96231b3b80d8
103 lines
4.0 KiB
C++
103 lines
4.0 KiB
C++
//===-- PIC16TargetObjectFile.h - PIC16 Object Info -------------*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_TARGET_PIC16_TARGETOBJECTFILE_H
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#define LLVM_TARGET_PIC16_TARGETOBJECTFILE_H
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#include "llvm/Target/TargetLoweringObjectFile.h"
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#include <vector>
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namespace llvm {
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class GlobalVariable;
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class Module;
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class PIC16TargetMachine;
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enum { DataBankSize = 80 };
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/// PIC16 Splits the global data into mulitple udata and idata sections.
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/// Each udata and idata section needs to contain a list of globals that
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/// they contain, in order to avoid scanning over all the global values
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/// again and printing only those that match the current section.
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/// Keeping values inside the sections make printing a section much easier.
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///
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/// FIXME: Reimplement by inheriting from MCSection.
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///
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struct PIC16Section {
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const Section *S_; // Connection to actual Section.
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unsigned Size; // Total size of the objects contained.
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bool SectionPrinted;
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std::vector<const GlobalVariable*> Items;
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PIC16Section(const Section *s) {
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S_ = s;
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Size = 0;
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SectionPrinted = false;
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}
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bool isPrinted() const { return SectionPrinted; }
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void setPrintedStatus(bool status) { SectionPrinted = status; }
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};
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class PIC16TargetObjectFile : public TargetLoweringObjectFile {
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const PIC16TargetMachine &TM;
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public:
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mutable std::vector<PIC16Section*> BSSSections;
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mutable std::vector<PIC16Section*> IDATASections;
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mutable std::vector<PIC16Section*> AutosSections;
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mutable std::vector<PIC16Section*> ROSections;
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mutable PIC16Section *ExternalVarDecls;
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mutable PIC16Section *ExternalVarDefs;
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PIC16TargetObjectFile(const PIC16TargetMachine &TM);
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~PIC16TargetObjectFile();
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/// getSpecialCasedSectionGlobals - Allow the target to completely override
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/// section assignment of a global.
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virtual const Section *
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getSpecialCasedSectionGlobals(const GlobalValue *GV, Mangler *Mang,
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SectionKind Kind) const;
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virtual const Section *SelectSectionForGlobal(const GlobalValue *GV,
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SectionKind Kind,
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Mangler *Mang,
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const TargetMachine&) const;
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private:
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std::string getSectionNameForSym(const std::string &Sym) const;
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const Section *getBSSSectionForGlobal(const GlobalVariable *GV) const;
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const Section *getIDATASectionForGlobal(const GlobalVariable *GV) const;
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const Section *getSectionForAuto(const GlobalVariable *GV) const;
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const Section *CreateBSSSectionForGlobal(const GlobalVariable *GV,
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std::string Addr = "") const;
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const Section *CreateIDATASectionForGlobal(const GlobalVariable *GV,
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std::string Addr = "") const;
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const Section *getROSectionForGlobal(const GlobalVariable *GV) const;
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const Section *CreateROSectionForGlobal(const GlobalVariable *GV,
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std::string Addr = "") const;
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const Section *CreateSectionForGlobal(const GlobalVariable *GV,
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Mangler *Mang,
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const std::string &Addr = "") const;
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public:
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void SetSectionForGVs(Module &M);
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const std::vector<PIC16Section*> &getBSSSections() const {
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return BSSSections;
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}
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const std::vector<PIC16Section*> &getIDATASections() const {
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return IDATASections;
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}
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const std::vector<PIC16Section*> &getAutosSections() const {
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return AutosSections;
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}
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const std::vector<PIC16Section*> &getROSections() const {
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return ROSections;
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}
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};
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} // end namespace llvm
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#endif
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