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author | Jan Sjödin <jan_sjodin@yahoo.com> | 2011-03-03 14:52:12 +0000 |
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committer | Jan Sjödin <jan_sjodin@yahoo.com> | 2011-03-03 14:52:12 +0000 |
commit | 24b17c673076af1bb77dd24096c8d17c734c94bc (patch) | |
tree | 88b88b04881cd0214b412aba23d98110cb5b202a /lib/MC/MCELFStreamer.cpp | |
parent | ea2578c63ffe09d030ed5520b6b82f7cc0026340 (diff) | |
download | external_llvm-24b17c673076af1bb77dd24096c8d17c734c94bc.tar.gz external_llvm-24b17c673076af1bb77dd24096c8d17c734c94bc.tar.bz2 external_llvm-24b17c673076af1bb77dd24096c8d17c734c94bc.zip |
Split MCEELFStreamer and ELFObjectWriter into .h and .cpp files, so that other components can use them.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126942 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/MC/MCELFStreamer.cpp')
-rw-r--r-- | lib/MC/MCELFStreamer.cpp | 119 |
1 files changed, 2 insertions, 117 deletions
diff --git a/lib/MC/MCELFStreamer.cpp b/lib/MC/MCELFStreamer.cpp index 21d0be99ca..464c136029 100644 --- a/lib/MC/MCELFStreamer.cpp +++ b/lib/MC/MCELFStreamer.cpp @@ -11,19 +11,14 @@ // //===----------------------------------------------------------------------===// -#include "llvm/MC/MCStreamer.h" - +#include "MCELFStreamer.h" #include "MCELF.h" -#include "llvm/ADT/SmallPtrSet.h" -#include "llvm/MC/MCAssembler.h" -#include "llvm/MC/MCContext.h" +#include "llvm/MC/MCStreamer.h" #include "llvm/MC/MCCodeEmitter.h" #include "llvm/MC/MCELFSymbolFlags.h" #include "llvm/MC/MCExpr.h" #include "llvm/MC/MCInst.h" -#include "llvm/MC/MCObjectStreamer.h" #include "llvm/MC/MCSection.h" -#include "llvm/MC/MCSectionELF.h" #include "llvm/MC/MCSymbol.h" #include "llvm/MC/MCValue.h" #include "llvm/Support/Debug.h" @@ -35,116 +30,6 @@ using namespace llvm; -namespace { - -class MCELFStreamer : public MCObjectStreamer { -public: - MCELFStreamer(MCContext &Context, TargetAsmBackend &TAB, - raw_ostream &OS, MCCodeEmitter *Emitter) - : MCObjectStreamer(Context, TAB, OS, Emitter) {} - - ~MCELFStreamer() {} - - /// @name MCStreamer Interface - /// @{ - - virtual void InitSections(); - virtual void ChangeSection(const MCSection *Section); - virtual void EmitLabel(MCSymbol *Symbol); - virtual void EmitAssemblerFlag(MCAssemblerFlag Flag); - virtual void EmitThumbFunc(MCSymbol *Func); - virtual void EmitAssignment(MCSymbol *Symbol, const MCExpr *Value); - virtual void EmitWeakReference(MCSymbol *Alias, const MCSymbol *Symbol); - virtual void EmitSymbolAttribute(MCSymbol *Symbol, MCSymbolAttr Attribute); - virtual void EmitSymbolDesc(MCSymbol *Symbol, unsigned DescValue) { - assert(0 && "ELF doesn't support this directive"); - } - virtual void EmitCommonSymbol(MCSymbol *Symbol, uint64_t Size, - unsigned ByteAlignment); - virtual void BeginCOFFSymbolDef(const MCSymbol *Symbol) { - assert(0 && "ELF doesn't support this directive"); - } - - virtual void EmitCOFFSymbolStorageClass(int StorageClass) { - assert(0 && "ELF doesn't support this directive"); - } - - virtual void EmitCOFFSymbolType(int Type) { - assert(0 && "ELF doesn't support this directive"); - } - - virtual void EndCOFFSymbolDef() { - assert(0 && "ELF doesn't support this directive"); - } - - virtual void EmitELFSize(MCSymbol *Symbol, const MCExpr *Value) { - MCSymbolData &SD = getAssembler().getOrCreateSymbolData(*Symbol); - SD.setSize(Value); - } - - virtual void EmitLocalCommonSymbol(MCSymbol *Symbol, uint64_t Size); - - virtual void EmitZerofill(const MCSection *Section, MCSymbol *Symbol = 0, - unsigned Size = 0, unsigned ByteAlignment = 0) { - assert(0 && "ELF doesn't support this directive"); - } - virtual void EmitTBSSSymbol(const MCSection *Section, MCSymbol *Symbol, - uint64_t Size, unsigned ByteAlignment = 0) { - assert(0 && "ELF doesn't support this directive"); - } - virtual void EmitBytes(StringRef Data, unsigned AddrSpace); - virtual void EmitValueToAlignment(unsigned ByteAlignment, int64_t Value = 0, - unsigned ValueSize = 1, - unsigned MaxBytesToEmit = 0); - virtual void EmitCodeAlignment(unsigned ByteAlignment, - unsigned MaxBytesToEmit = 0); - - virtual void EmitFileDirective(StringRef Filename); - - virtual void Finish(); - -private: - virtual void EmitInstToFragment(const MCInst &Inst); - virtual void EmitInstToData(const MCInst &Inst); - - void fixSymbolsInTLSFixups(const MCExpr *expr); - - struct LocalCommon { - MCSymbolData *SD; - uint64_t Size; - unsigned ByteAlignment; - }; - std::vector<LocalCommon> LocalCommons; - - SmallPtrSet<MCSymbol *, 16> BindingExplicitlySet; - /// @} - void SetSection(StringRef Section, unsigned Type, unsigned Flags, - SectionKind Kind) { - SwitchSection(getContext().getELFSection(Section, Type, Flags, Kind)); - } - - void SetSectionData() { - SetSection(".data", ELF::SHT_PROGBITS, - ELF::SHF_WRITE |ELF::SHF_ALLOC, - SectionKind::getDataRel()); - EmitCodeAlignment(4, 0); - } - void SetSectionText() { - SetSection(".text", ELF::SHT_PROGBITS, - ELF::SHF_EXECINSTR | - ELF::SHF_ALLOC, SectionKind::getText()); - EmitCodeAlignment(4, 0); - } - void SetSectionBss() { - SetSection(".bss", ELF::SHT_NOBITS, - ELF::SHF_WRITE | - ELF::SHF_ALLOC, SectionKind::getBSS()); - EmitCodeAlignment(4, 0); - } -}; - -} // end anonymous namespace. - void MCELFStreamer::InitSections() { // This emulates the same behavior of GNU as. This makes it easier // to compare the output as the major sections are in the same order. |