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//=====-- PIC16TargetAsmInfo.h - PIC16 asm properties ---------*- C++ -*--====//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file contains the declaration of the PIC16TargetAsmInfo class.
//
//===----------------------------------------------------------------------===//
#ifndef PIC16TARGETASMINFO_H
#define PIC16TARGETASMINFO_H
#include "PIC16.h"
#include "llvm/Target/TargetAsmInfo.h"
#include <vector>
#include "llvm/Module.h"
#define DataBankSize 80
namespace llvm {
// Forward declaration.
class PIC16TargetMachine;
class GlobalVariable;
// 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.
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() { return SectionPrinted ; }
void setPrintedStatus(bool status) { SectionPrinted = status ;}
};
struct PIC16TargetAsmInfo : public TargetAsmInfo {
std::string getSectionNameForSym(const std::string &Sym) const;
PIC16TargetAsmInfo(const PIC16TargetMachine &TM);
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;
virtual ~PIC16TargetAsmInfo();
private:
const char *RomData8bitsDirective;
const char *RomData16bitsDirective;
const char *RomData32bitsDirective;
const char *getRomDirective(unsigned size) const;
virtual const char *getASDirective(unsigned size, unsigned AS) 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;
virtual const Section *SelectSectionForGlobal(const GlobalValue *GV) const;
const Section * CreateSectionForGlobal(const GlobalValue *GV,
std::string Addr = "") const;
public:
void SetSectionForGVs(Module &M);
std::vector<PIC16Section *> getBSSSections() const {
return BSSSections;
}
std::vector<PIC16Section *> getIDATASections() const {
return IDATASections;
}
std::vector<PIC16Section *> getAutosSections() const {
return AutosSections;
}
std::vector<PIC16Section *> getROSections() const {
return ROSections;
}
virtual const Section* SectionForGlobal(const GlobalValue *GV) const;
};
} // namespace llvm
#endif
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