Split MCELFStreamer into a header file.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169603 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/MC/MCELFStreamer.cpp b/lib/MC/MCELFStreamer.cpp
index 2e28900..a3178ff 100644
--- a/lib/MC/MCELFStreamer.cpp
+++ b/lib/MC/MCELFStreamer.cpp
@@ -11,7 +11,8 @@
//
//===----------------------------------------------------------------------===//
-#include "llvm/MC/MCStreamer.h"
+#include "llvm/MC/MCELFStreamer.h"
+
#include "MCELF.h"
#include "llvm/ADT/SmallPtrSet.h"
#include "llvm/ADT/StringExtras.h"
@@ -35,117 +36,37 @@
using namespace llvm;
-namespace {
-class MCELFStreamer : public MCObjectStreamer {
-public:
- MCELFStreamer(MCContext &Context, MCAsmBackend &TAB,
- raw_ostream &OS, MCCodeEmitter *Emitter)
- : MCObjectStreamer(Context, TAB, OS, Emitter) {}
- MCELFStreamer(MCContext &Context, MCAsmBackend &TAB,
- raw_ostream &OS, MCCodeEmitter *Emitter,
- MCAssembler *Assembler)
- : MCObjectStreamer(Context, TAB, OS, Emitter, Assembler) {}
+inline void MCELFStreamer::SetSection(StringRef Section, unsigned Type,
+ unsigned Flags, SectionKind Kind) {
+ SwitchSection(getContext().getELFSection(Section, Type, Flags, Kind));
+}
+inline void MCELFStreamer::SetSectionData() {
+ SetSection(".data",
+ ELF::SHT_PROGBITS,
+ ELF::SHF_WRITE | ELF::SHF_ALLOC,
+ SectionKind::getDataRel());
+ EmitCodeAlignment(4, 0);
+}
- ~MCELFStreamer() {}
+inline void MCELFStreamer::SetSectionText() {
+ SetSection(".text",
+ ELF::SHT_PROGBITS,
+ ELF::SHF_EXECINSTR | ELF::SHF_ALLOC,
+ SectionKind::getText());
+ EmitCodeAlignment(4, 0);
+}
- /// @name MCStreamer Interface
- /// @{
+inline void MCELFStreamer::SetSectionBss() {
+ SetSection(".bss",
+ ELF::SHT_NOBITS,
+ ELF::SHF_WRITE | ELF::SHF_ALLOC,
+ SectionKind::getBSS());
+ EmitCodeAlignment(4, 0);
+}
- 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) {
- llvm_unreachable("ELF doesn't support this directive");
- }
- virtual void EmitCommonSymbol(MCSymbol *Symbol, uint64_t Size,
- unsigned ByteAlignment);
- virtual void BeginCOFFSymbolDef(const MCSymbol *Symbol) {
- llvm_unreachable("ELF doesn't support this directive");
- }
-
- virtual void EmitCOFFSymbolStorageClass(int StorageClass) {
- llvm_unreachable("ELF doesn't support this directive");
- }
-
- virtual void EmitCOFFSymbolType(int Type) {
- llvm_unreachable("ELF doesn't support this directive");
- }
-
- virtual void EndCOFFSymbolDef() {
- llvm_unreachable("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,
- unsigned ByteAlignment);
-
- virtual void EmitZerofill(const MCSection *Section, MCSymbol *Symbol = 0,
- uint64_t Size = 0, unsigned ByteAlignment = 0) {
- llvm_unreachable("ELF doesn't support this directive");
- }
- virtual void EmitTBSSSymbol(const MCSection *Section, MCSymbol *Symbol,
- uint64_t Size, unsigned ByteAlignment = 0) {
- llvm_unreachable("ELF doesn't support this directive");
- }
- virtual void EmitValueImpl(const MCExpr *Value, unsigned Size,
- unsigned AddrSpace);
-
- virtual void EmitFileDirective(StringRef Filename);
-
- virtual void EmitTCEntry(const MCSymbol &S);
-
- virtual void FinishImpl();
-
-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);
- }
-};
+MCELFStreamer::~MCELFStreamer() {
}
void MCELFStreamer::InitSections() {
@@ -341,6 +262,11 @@
SD.setSize(MCConstantExpr::Create(Size, getContext()));
}
+void MCELFStreamer::EmitELFSize(MCSymbol *Symbol, const MCExpr *Value) {
+ MCSymbolData &SD = getAssembler().getOrCreateSymbolData(*Symbol);
+ SD.setSize(Value);
+}
+
void MCELFStreamer::EmitLocalCommonSymbol(MCSymbol *Symbol, uint64_t Size,
unsigned ByteAlignment) {
// FIXME: Should this be caught and done earlier?
@@ -487,3 +413,33 @@
S->getAssembler().setNoExecStack(true);
return S;
}
+
+void MCELFStreamer::EmitSymbolDesc(MCSymbol *Symbol, unsigned DescValue) {
+ llvm_unreachable("ELF doesn't support this directive");
+}
+
+void MCELFStreamer::BeginCOFFSymbolDef(const MCSymbol *Symbol) {
+ llvm_unreachable("ELF doesn't support this directive");
+}
+
+void MCELFStreamer::EmitCOFFSymbolStorageClass(int StorageClass) {
+ llvm_unreachable("ELF doesn't support this directive");
+}
+
+void MCELFStreamer::EmitCOFFSymbolType(int Type) {
+ llvm_unreachable("ELF doesn't support this directive");
+}
+
+void MCELFStreamer::EndCOFFSymbolDef() {
+ llvm_unreachable("ELF doesn't support this directive");
+}
+
+void MCELFStreamer::EmitZerofill(const MCSection *Section, MCSymbol *Symbol,
+ uint64_t Size, unsigned ByteAlignment) {
+ llvm_unreachable("ELF doesn't support this directive");
+}
+
+void MCELFStreamer::EmitTBSSSymbol(const MCSection *Section, MCSymbol *Symbol,
+ uint64_t Size, unsigned ByteAlignment) {
+ llvm_unreachable("ELF doesn't support this directive");
+}