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 Section *S_; // Connection to actual Section.
33 unsigned Size; // Total size of the objects contained.
35 std::vector<const GlobalVariable*> Items;
37 PIC16Section(const Section *s) {
40 SectionPrinted = false;
42 bool isPrinted() const { return SectionPrinted; }
43 void setPrintedStatus(bool status) { SectionPrinted = status; }
46 class PIC16TargetObjectFile : public TargetLoweringObjectFile {
47 const PIC16TargetMachine &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(const PIC16TargetMachine &TM);
57 ~PIC16TargetObjectFile();
59 /// getSpecialCasedSectionGlobals - Allow the target to completely override
60 /// section assignment of a global.
61 virtual const Section *
62 getSpecialCasedSectionGlobals(const GlobalValue *GV, Mangler *Mang,
63 SectionKind Kind) const;
64 virtual const Section *SelectSectionForGlobal(const GlobalValue *GV,
67 const TargetMachine&) const;
69 std::string getSectionNameForSym(const std::string &Sym) const;
71 const Section *getBSSSectionForGlobal(const GlobalVariable *GV) const;
72 const Section *getIDATASectionForGlobal(const GlobalVariable *GV) const;
73 const Section *getSectionForAuto(const GlobalVariable *GV) const;
74 const Section *CreateBSSSectionForGlobal(const GlobalVariable *GV,
75 std::string Addr = "") const;
76 const Section *CreateIDATASectionForGlobal(const GlobalVariable *GV,
77 std::string Addr = "") const;
78 const Section *getROSectionForGlobal(const GlobalVariable *GV) const;
79 const Section *CreateROSectionForGlobal(const GlobalVariable *GV,
80 std::string Addr = "") const;
81 const Section *CreateSectionForGlobal(const GlobalVariable *GV,
83 const std::string &Addr = "") const;
85 void SetSectionForGVs(Module &M);
86 const std::vector<PIC16Section*> &getBSSSections() const {
89 const std::vector<PIC16Section*> &getIDATASections() const {
92 const std::vector<PIC16Section*> &getAutosSections() const {
95 const std::vector<PIC16Section*> &getROSections() const {
100 } // end namespace llvm