1 //===-- PIC16TargetObjectFile.h - PIC16 Object Info -------------*- C++ -*-===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 #ifndef LLVM_TARGET_PIC16_TARGETOBJECTFILE_H
11 #define LLVM_TARGET_PIC16_TARGETOBJECTFILE_H
13 #include "llvm/Target/TargetLoweringObjectFile.h"
14 #include "llvm/ADT/StringMap.h"
21 class PIC16TargetMachine;
24 enum { DataBankSize = 80 };
26 /// PIC16 Splits the global data into mulitple udata and idata sections.
27 /// Each udata and idata section needs to contain a list of globals that
28 /// they contain, in order to avoid scanning over all the global values
29 /// again and printing only those that match the current section.
30 /// Keeping values inside the sections make printing a section much easier.
32 /// FIXME: MOVE ALL THIS STUFF TO MCSectionPIC16.
35 const MCSectionPIC16 *S_; // Connection to actual Section.
36 unsigned Size; // Total size of the objects contained.
38 std::vector<const GlobalVariable*> Items;
40 PIC16Section(const MCSectionPIC16 *s) {
43 SectionPrinted = false;
45 bool isPrinted() const { return SectionPrinted; }
46 void setPrintedStatus(bool status) { SectionPrinted = status; }
49 class PIC16TargetObjectFile : public TargetLoweringObjectFile {
50 /// SectionsByName - Bindings of names to allocated sections.
51 mutable StringMap<MCSectionPIC16*> SectionsByName;
53 const TargetMachine *TM;
55 const MCSectionPIC16 *getPIC16Section(const char *Name,
58 mutable std::vector<PIC16Section*> BSSSections;
59 mutable std::vector<PIC16Section*> IDATASections;
60 mutable std::vector<PIC16Section*> AutosSections;
61 mutable std::vector<PIC16Section*> ROSections;
62 mutable PIC16Section *ExternalVarDecls;
63 mutable PIC16Section *ExternalVarDefs;
65 PIC16TargetObjectFile();
66 ~PIC16TargetObjectFile();
68 void Initialize(MCContext &Ctx, const TargetMachine &TM);
71 virtual const MCSection *
72 getExplicitSectionGlobal(const GlobalValue *GV, SectionKind Kind,
73 Mangler *Mang, const TargetMachine &TM) const;
75 virtual const MCSection *SelectSectionForGlobal(const GlobalValue *GV,
78 const TargetMachine&) const;
80 const MCSection *getSectionForFunction(const std::string &FnName,
81 bool isInterrupt=false) const;
82 const MCSection *getSectionForFunctionFrame(const std::string &FnName)const;
84 // If the current function is cloned then create the new autos section
86 void createClonedSectionForAutos(const std::string &SecName);
88 std::string getSectionNameForSym(const std::string &Sym) const;
90 const MCSection *getBSSSectionForGlobal(const GlobalVariable *GV) const;
91 const MCSection *getIDATASectionForGlobal(const GlobalVariable *GV) const;
92 const MCSection *getSectionForAuto(const GlobalVariable *GV) const;
93 const MCSection *CreateBSSSectionForGlobal(const GlobalVariable *GV,
94 std::string Addr = "") const;
95 const MCSection *CreateIDATASectionForGlobal(const GlobalVariable *GV,
96 std::string Addr = "") const;
97 const MCSection *getROSectionForGlobal(const GlobalVariable *GV) const;
98 const MCSection *CreateROSectionForGlobal(const GlobalVariable *GV,
99 std::string Addr = "") const;
100 const MCSection *CreateSectionForGlobal(const GlobalVariable *GV,
102 const std::string &Addr = "") const;
104 void SetSectionForGVs(Module &M);
105 const std::vector<PIC16Section*> &getBSSSections() const {
108 const std::vector<PIC16Section*> &getIDATASections() const {
109 return IDATASections;
111 const std::vector<PIC16Section*> &getAutosSections() const {
112 return AutosSections;
114 const std::vector<PIC16Section*> &getROSections() const {
119 } // end namespace llvm