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Diffstat (limited to 'contrib/llvm/lib/Target/PIC16/PIC16Section.h')
-rw-r--r-- | contrib/llvm/lib/Target/PIC16/PIC16Section.h | 99 |
1 files changed, 99 insertions, 0 deletions
diff --git a/contrib/llvm/lib/Target/PIC16/PIC16Section.h b/contrib/llvm/lib/Target/PIC16/PIC16Section.h new file mode 100644 index 0000000..5b33b51 --- /dev/null +++ b/contrib/llvm/lib/Target/PIC16/PIC16Section.h @@ -0,0 +1,99 @@ +//===- PIC16Section.h - PIC16-specific section representation -*- C++ -*-===// +// +// The LLVM Compiler Infrastructure +// +// This file is distributed under the University of Illinois Open Source +// License. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// +// +// This file declares the PIC16Section class. +// +//===----------------------------------------------------------------------===// + +#ifndef LLVM_PIC16SECTION_H +#define LLVM_PIC16SECTION_H + +#include "llvm/MC/MCSection.h" +#include "llvm/GlobalVariable.h" +#include <vector> + +namespace llvm { + /// PIC16Section - Represents a physical section in PIC16 COFF. + /// Contains data objects. + /// + class PIC16Section : public MCSection { + /// PIC16 Sections does not really use the SectionKind class to + /// to distinguish between various types of sections. PIC16 maintain + /// its own Section Type info. See the PIC16SectionType enum in PIC16.h + /// for various section types. + PIC16SectionType T; + + /// Name of the section to uniquely identify it. + StringRef Name; + + /// User can specify an address at which a section should be placed. + /// Negative value here means user hasn't specified any. + StringRef Address; + + /// Overlay information - Sections with same color can be overlaid on + /// one another. + int Color; + + /// Total size of all data objects contained here. + unsigned Size; + + PIC16Section(StringRef name, SectionKind K, StringRef addr, int color) + : MCSection(SV_PIC16, K), Name(name), Address(addr), + Color(color), Size(0) { + } + + public: + /// Return the name of the section. + StringRef getName() const { return Name; } + + /// Return the Address of the section. + StringRef getAddress() const { return Address; } + + /// Return the Color of the section. + int getColor() const { return Color; } + void setColor(int color) { Color = color; } + + /// Return the size of the section. + unsigned getSize() const { return Size; } + void setSize(unsigned size) { Size = size; } + + /// Conatined data objects. + // FIXME: This vector is leaked because sections are allocated with a + // BumpPtrAllocator. + std::vector<const GlobalVariable *>Items; + + /// Check section type. + bool isUDATA_Type() const { return T == UDATA; } + bool isIDATA_Type() const { return T == IDATA; } + bool isROMDATA_Type() const { return T == ROMDATA; } + bool isUDATA_OVR_Type() const { return T == UDATA_OVR; } + bool isUDATA_SHR_Type() const { return T == UDATA_SHR; } + bool isCODE_Type() const { return T == CODE; } + + PIC16SectionType getType() const { return T; } + + /// This would be the only way to create a section. + static PIC16Section *Create(StringRef Name, PIC16SectionType Ty, + StringRef Address, int Color, + MCContext &Ctx); + + /// Override this as PIC16 has its own way of printing switching + /// to a section. + virtual void PrintSwitchToSection(const MCAsmInfo &MAI, + raw_ostream &OS) const; + + static bool classof(const MCSection *S) { + return S->getVariant() == SV_PIC16; + } + static bool classof(const PIC16Section *) { return true; } + }; + +} // end namespace llvm + +#endif |