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