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https://github.com/c64scene-ar/llvm-6502.git
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7b06b7357a
suffix (e.g. .xdata$myfunc). The suffix part isn't implemented yet, but I'll get to it in the next patch. Fix up all callers of the affected functions. Make them pass said suffix to the function. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132205 91177308-0d34-0410-b5e6-96231b3b80d8
237 lines
8.3 KiB
C++
237 lines
8.3 KiB
C++
//==-- llvm/CodeGen/TargetLoweringObjectFileImpl.h - Object Info -*- 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 implements classes used to handle lowerings specific to common
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// object file formats.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_CODEGEN_TARGETLOWERINGOBJECTFILEIMPL_H
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#define LLVM_CODEGEN_TARGETLOWERINGOBJECTFILEIMPL_H
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#include "llvm/ADT/StringRef.h"
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#include "llvm/MC/SectionKind.h"
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#include "llvm/Target/TargetLoweringObjectFile.h"
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namespace llvm {
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class MachineModuleInfo;
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class Mangler;
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class MCAsmInfo;
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class MCExpr;
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class MCSection;
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class MCSectionMachO;
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class MCSymbol;
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class MCContext;
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class GlobalValue;
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class TargetMachine;
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class TargetLoweringObjectFileELF : public TargetLoweringObjectFile {
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protected:
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/// TLSDataSection - Section directive for Thread Local data.
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///
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const MCSection *TLSDataSection; // Defaults to ".tdata".
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/// TLSBSSSection - Section directive for Thread Local uninitialized data.
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/// Null if this target doesn't support a BSS section.
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///
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const MCSection *TLSBSSSection; // Defaults to ".tbss".
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const MCSection *DataRelSection;
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const MCSection *DataRelLocalSection;
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const MCSection *DataRelROSection;
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const MCSection *DataRelROLocalSection;
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const MCSection *MergeableConst4Section;
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const MCSection *MergeableConst8Section;
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const MCSection *MergeableConst16Section;
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public:
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TargetLoweringObjectFileELF() {}
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~TargetLoweringObjectFileELF() {}
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virtual void Initialize(MCContext &Ctx, const TargetMachine &TM);
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virtual const MCSection *getEHFrameSection() const;
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virtual const MCSection *getWin64EHFuncTableSection(StringRef) const {
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return NULL;
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}
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virtual const MCSection *getWin64EHTableSection(StringRef) const{return NULL;}
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virtual void emitPersonalityValue(MCStreamer &Streamer,
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const TargetMachine &TM,
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const MCSymbol *Sym) const;
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const MCSection *getDataRelSection() const { return DataRelSection; }
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/// getSectionForConstant - Given a constant with the SectionKind, return a
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/// section that it should be placed in.
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virtual const MCSection *getSectionForConstant(SectionKind Kind) const;
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virtual const MCSection *
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getExplicitSectionGlobal(const GlobalValue *GV, SectionKind Kind,
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Mangler *Mang, const TargetMachine &TM) const;
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virtual const MCSection *
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SelectSectionForGlobal(const GlobalValue *GV, SectionKind Kind,
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Mangler *Mang, const TargetMachine &TM) const;
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/// getExprForDwarfGlobalReference - Return an MCExpr to use for a reference
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/// to the specified global variable from exception handling information.
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///
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virtual const MCExpr *
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getExprForDwarfGlobalReference(const GlobalValue *GV, Mangler *Mang,
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MachineModuleInfo *MMI, unsigned Encoding,
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MCStreamer &Streamer) const;
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// getCFIPersonalitySymbol - The symbol that gets passed to .cfi_personality.
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virtual MCSymbol *
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getCFIPersonalitySymbol(const GlobalValue *GV, Mangler *Mang,
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MachineModuleInfo *MMI) const;
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};
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class TargetLoweringObjectFileMachO : public TargetLoweringObjectFile {
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/// TLSDataSection - Section for thread local data.
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///
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const MCSection *TLSDataSection; // Defaults to ".tdata".
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/// TLSBSSSection - Section for thread local uninitialized data.
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///
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const MCSection *TLSBSSSection; // Defaults to ".tbss".
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/// TLSTLVSection - Section for thread local structure information.
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/// Contains the source code name of the variable, visibility and a pointer
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/// to the initial value (.tdata or .tbss).
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const MCSection *TLSTLVSection; // Defaults to ".tlv".
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/// TLSThreadInitSection - Section for thread local data initialization
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/// functions.
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const MCSection *TLSThreadInitSection; // Defaults to ".thread_init_func".
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const MCSection *CStringSection;
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const MCSection *UStringSection;
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const MCSection *TextCoalSection;
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const MCSection *ConstTextCoalSection;
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const MCSection *ConstDataSection;
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const MCSection *DataCoalSection;
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const MCSection *DataCommonSection;
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const MCSection *DataBSSSection;
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const MCSection *FourByteConstantSection;
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const MCSection *EightByteConstantSection;
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const MCSection *SixteenByteConstantSection;
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const MCSection *LazySymbolPointerSection;
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const MCSection *NonLazySymbolPointerSection;
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public:
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TargetLoweringObjectFileMachO() {}
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~TargetLoweringObjectFileMachO() {}
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virtual void Initialize(MCContext &Ctx, const TargetMachine &TM);
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virtual const MCSection *getEHFrameSection() const;
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virtual const MCSection *getWin64EHFuncTableSection(StringRef) const {
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return NULL;
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}
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virtual const MCSection *getWin64EHTableSection(StringRef) const{return NULL;}
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virtual const MCSection *
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SelectSectionForGlobal(const GlobalValue *GV, SectionKind Kind,
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Mangler *Mang, const TargetMachine &TM) const;
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virtual const MCSection *
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getExplicitSectionGlobal(const GlobalValue *GV, SectionKind Kind,
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Mangler *Mang, const TargetMachine &TM) const;
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virtual const MCSection *getSectionForConstant(SectionKind Kind) const;
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/// shouldEmitUsedDirectiveFor - This hook allows targets to selectively
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/// decide not to emit the UsedDirective for some symbols in llvm.used.
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/// FIXME: REMOVE this (rdar://7071300)
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virtual bool shouldEmitUsedDirectiveFor(const GlobalValue *GV,
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Mangler *) const;
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/// getTextCoalSection - Return the "__TEXT,__textcoal_nt" section we put weak
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/// text symbols into.
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const MCSection *getTextCoalSection() const {
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return TextCoalSection;
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}
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/// getConstTextCoalSection - Return the "__TEXT,__const_coal" section
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/// we put weak read-only symbols into.
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const MCSection *getConstTextCoalSection() const {
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return ConstTextCoalSection;
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}
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/// getLazySymbolPointerSection - Return the section corresponding to
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/// the .lazy_symbol_pointer directive.
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const MCSection *getLazySymbolPointerSection() const {
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return LazySymbolPointerSection;
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}
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/// getNonLazySymbolPointerSection - Return the section corresponding to
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/// the .non_lazy_symbol_pointer directive.
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const MCSection *getNonLazySymbolPointerSection() const {
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return NonLazySymbolPointerSection;
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}
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/// getExprForDwarfGlobalReference - The mach-o version of this method
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/// defaults to returning a stub reference.
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virtual const MCExpr *
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getExprForDwarfGlobalReference(const GlobalValue *GV, Mangler *Mang,
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MachineModuleInfo *MMI, unsigned Encoding,
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MCStreamer &Streamer) const;
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// getCFIPersonalitySymbol - The symbol that gets passed to .cfi_personality.
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virtual MCSymbol *
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getCFIPersonalitySymbol(const GlobalValue *GV, Mangler *Mang,
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MachineModuleInfo *MMI) const;
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virtual unsigned getPersonalityEncoding() const;
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virtual unsigned getLSDAEncoding() const;
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virtual unsigned getFDEEncoding(bool CFI) const;
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virtual unsigned getTTypeEncoding() const;
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};
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class TargetLoweringObjectFileCOFF : public TargetLoweringObjectFile {
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const MCSection *DrectveSection;
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const MCSection *PDataSection;
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const MCSection *XDataSection;
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public:
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TargetLoweringObjectFileCOFF() {}
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~TargetLoweringObjectFileCOFF() {}
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virtual void Initialize(MCContext &Ctx, const TargetMachine &TM);
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virtual const MCSection *getEHFrameSection() const;
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virtual const MCSection *getWin64EHFuncTableSection(StringRef) const {
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return PDataSection;
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}
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virtual const MCSection *getWin64EHTableSection(StringRef) const {
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return XDataSection;
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}
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virtual const MCSection *getDrectveSection() const { return DrectveSection; }
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virtual const MCSection *
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getExplicitSectionGlobal(const GlobalValue *GV, SectionKind Kind,
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Mangler *Mang, const TargetMachine &TM) const;
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virtual const MCSection *
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SelectSectionForGlobal(const GlobalValue *GV, SectionKind Kind,
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Mangler *Mang, const TargetMachine &TM) const;
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};
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} // end namespace llvm
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#endif
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