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"
19 class PIC16TargetMachine;
21 enum { DataBankSize = 80 };
23 /// PIC16 Splits the global data into mulitple udata and idata sections.
24 /// Each udata and idata section needs to contain a list of globals that
25 /// they contain, in order to avoid scanning over all the global values
26 /// again and printing only those that match the current section.
27 /// Keeping values inside the sections make printing a section much easier.
29 /// FIXME: Reimplement by inheriting from MCSection.
32 const MCSection *S_; // Connection to actual Section.
33 unsigned Size; // Total size of the objects contained.
35 std::vector<const GlobalVariable*> Items;
37 PIC16Section(const MCSection *s) {
40 SectionPrinted = false;
42 bool isPrinted() const { return SectionPrinted; }
43 void setPrintedStatus(bool status) { SectionPrinted = status; }
46 class PIC16TargetObjectFile : public TargetLoweringObjectFile {
47 const TargetMachine *TM;
49 mutable std::vector<PIC16Section*> BSSSections;
50 mutable std::vector<PIC16Section*> IDATASections;
51 mutable std::vector<PIC16Section*> AutosSections;
52 mutable std::vector<PIC16Section*> ROSections;
53 mutable PIC16Section *ExternalVarDecls;
54 mutable PIC16Section *ExternalVarDefs;
56 ~PIC16TargetObjectFile();
58 void Initialize(MCContext &Ctx, const TargetMachine &TM);
61 /// getSpecialCasedSectionGlobals - Allow the target to completely override
62 /// section assignment of a global.
63 virtual const MCSection *
64 getSpecialCasedSectionGlobals(const GlobalValue *GV, Mangler *Mang,
65 SectionInfo Info) const;
66 virtual const MCSection *SelectSectionForGlobal(const GlobalValue *GV,
69 const TargetMachine&) const;
71 std::string getSectionNameForSym(const std::string &Sym) const;
73 const MCSection *getBSSSectionForGlobal(const GlobalVariable *GV) const;
74 const MCSection *getIDATASectionForGlobal(const GlobalVariable *GV) const;
75 const MCSection *getSectionForAuto(const GlobalVariable *GV) const;
76 const MCSection *CreateBSSSectionForGlobal(const GlobalVariable *GV,
77 std::string Addr = "") const;
78 const MCSection *CreateIDATASectionForGlobal(const GlobalVariable *GV,
79 std::string Addr = "") const;
80 const MCSection *getROSectionForGlobal(const GlobalVariable *GV) const;
81 const MCSection *CreateROSectionForGlobal(const GlobalVariable *GV,
82 std::string Addr = "") const;
83 const MCSection *CreateSectionForGlobal(const GlobalVariable *GV,
85 const std::string &Addr = "") const;
87 void SetSectionForGVs(Module &M);
88 const std::vector<PIC16Section*> &getBSSSections() const {
91 const std::vector<PIC16Section*> &getIDATASections() const {
94 const std::vector<PIC16Section*> &getAutosSections() const {
97 const std::vector<PIC16Section*> &getROSections() const {
102 } // end namespace llvm