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Diffstat (limited to 'lib/Target/PIC16/PIC16TargetObjectFile.h')
-rw-r--r-- | lib/Target/PIC16/PIC16TargetObjectFile.h | 100 |
1 files changed, 100 insertions, 0 deletions
diff --git a/lib/Target/PIC16/PIC16TargetObjectFile.h b/lib/Target/PIC16/PIC16TargetObjectFile.h new file mode 100644 index 0000000..77aea78 --- /dev/null +++ b/lib/Target/PIC16/PIC16TargetObjectFile.h @@ -0,0 +1,100 @@ +//===-- PIC16TargetObjectFile.h - PIC16 Object Info -------------*- C++ -*-===// +// +// The LLVM Compiler Infrastructure +// +// This file is distributed under the University of Illinois Open Source +// License. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// + +#ifndef LLVM_TARGET_PIC16_TARGETOBJECTFILE_H +#define LLVM_TARGET_PIC16_TARGETOBJECTFILE_H + +#include "llvm/Target/TargetLoweringObjectFile.h" +#include <vector> + +namespace llvm { + class GlobalVariable; + class Module; + class PIC16TargetMachine; + + enum { DataBankSize = 80 }; + + /// PIC16 Splits the global data into mulitple udata and idata sections. + /// Each udata and idata section needs to contain a list of globals that + /// they contain, in order to avoid scanning over all the global values + /// again and printing only those that match the current section. + /// Keeping values inside the sections make printing a section much easier. + /// + /// FIXME: Reimplement by inheriting from MCSection. + /// + struct PIC16Section { + const Section *S_; // Connection to actual Section. + unsigned Size; // Total size of the objects contained. + bool SectionPrinted; + std::vector<const GlobalVariable*> Items; + + PIC16Section(const Section *s) { + S_ = s; + Size = 0; + SectionPrinted = false; + } + bool isPrinted() const { return SectionPrinted; } + void setPrintedStatus(bool status) { SectionPrinted = status; } + }; + + class PIC16TargetObjectFile : public TargetLoweringObjectFile { + const PIC16TargetMachine &TM; + public: + mutable std::vector<PIC16Section*> BSSSections; + mutable std::vector<PIC16Section*> IDATASections; + mutable std::vector<PIC16Section*> AutosSections; + mutable std::vector<PIC16Section*> ROSections; + mutable PIC16Section *ExternalVarDecls; + mutable PIC16Section *ExternalVarDefs; + + PIC16TargetObjectFile(const PIC16TargetMachine &TM); + ~PIC16TargetObjectFile(); + + /// getSpecialCasedSectionGlobals - Allow the target to completely override + /// section assignment of a global. + virtual const Section * + getSpecialCasedSectionGlobals(const GlobalValue *GV, + SectionKind Kind) const; + virtual const Section *SelectSectionForGlobal(const GlobalValue *GV, + SectionKind Kind, + const TargetMachine&) const; + private: + std::string getSectionNameForSym(const std::string &Sym) const; + + const Section *getBSSSectionForGlobal(const GlobalVariable *GV) const; + const Section *getIDATASectionForGlobal(const GlobalVariable *GV) const; + const Section *getSectionForAuto(const GlobalVariable *GV) const; + const Section *CreateBSSSectionForGlobal(const GlobalVariable *GV, + std::string Addr = "") const; + const Section *CreateIDATASectionForGlobal(const GlobalVariable *GV, + std::string Addr = "") const; + const Section *getROSectionForGlobal(const GlobalVariable *GV) const; + const Section *CreateROSectionForGlobal(const GlobalVariable *GV, + std::string Addr = "") const; + const Section *CreateSectionForGlobal(const GlobalVariable *GV, + const std::string &Addr = "") const; + public: + void SetSectionForGVs(Module &M); + const std::vector<PIC16Section*> &getBSSSections() const { + return BSSSections; + } + const std::vector<PIC16Section*> &getIDATASections() const { + return IDATASections; + } + const std::vector<PIC16Section*> &getAutosSections() const { + return AutosSections; + } + const std::vector<PIC16Section*> &getROSections() const { + return ROSections; + } + + }; +} // end namespace llvm + +#endif |