#include "llvm/MC/MCDirectives.h"
#include "llvm/MC/MCDwarf.h"
#include "llvm/MC/MCLinkerOptimizationHint.h"
-#include "llvm/MC/MCWin64EH.h"
+#include "llvm/MC/MCWinEH.h"
#include "llvm/Support/DataTypes.h"
#include <string>
///
/// If target foo wants to use this, it should implement 3 classes:
/// * FooTargetStreamer : public MCTargetStreamer
-/// * FooTargetAsmSreamer : public FooTargetStreamer
+/// * FooTargetAsmStreamer : public FooTargetStreamer
/// * FooTargetELFStreamer : public FooTargetStreamer
///
/// FooTargetStreamer should have a pure virtual method for each directive. For
/// example, for a ".bar symbol_name" directive, it should have
/// virtual emitBar(const MCSymbol &Symbol) = 0;
///
-/// The FooTargetAsmSreamer and FooTargetELFStreamer classes implement the
+/// The FooTargetAsmStreamer and FooTargetELFStreamer classes implement the
/// method. The assembly streamer just prints ".bar symbol_name". The object
/// streamer does whatever is needed to implement .bar in the object file.
///
/// MCTargetStreamer &TS = OutStreamer.getTargetStreamer();
/// FooTargetStreamer &ATS = static_cast<FooTargetStreamer &>(TS);
///
-/// The base classes FooTargetAsmSreamer and FooTargetELFStreamer should *never*
-/// be treated differently. Callers should always talk to a FooTargetStreamer.
+/// The base classes FooTargetAsmStreamer and FooTargetELFStreamer should
+/// *never* be treated differently. Callers should always talk to a
+/// FooTargetStreamer.
class MCTargetStreamer {
protected:
MCStreamer &Streamer;
AArch64TargetStreamer(MCStreamer &S);
~AArch64TargetStreamer();
-
void finish() override;
/// Callback used to implement the ldr= pseudo.
/// Add a new entry to the constant pool for the current section and return an
/// MCExpr that can be used to refer to the constant pool location.
- const MCExpr *addConstantPoolEntry(const MCExpr *);
+ const MCExpr *addConstantPoolEntry(const MCExpr *, unsigned Size);
/// Callback used to implemnt the .ltorg directive.
/// Emit contents of constant pool for the current section.
void emitCurrentConstantPool();
+ /// Callback used to implement the .inst directive.
+ virtual void emitInst(uint32_t Inst);
+
private:
std::unique_ptr<AssemblerConstantPools> ConstantPools;
};
MCStreamer(const MCStreamer &) LLVM_DELETED_FUNCTION;
MCStreamer &operator=(const MCStreamer &) LLVM_DELETED_FUNCTION;
- std::vector<MCDwarfFrameInfo> FrameInfos;
- MCDwarfFrameInfo *getCurrentFrameInfo();
+ std::vector<MCDwarfFrameInfo> DwarfFrameInfos;
+ MCDwarfFrameInfo *getCurrentDwarfFrameInfo();
+ void EnsureValidDwarfFrame();
+
MCSymbol *EmitCFICommon();
- void EnsureValidFrame();
- std::vector<MCWin64EHUnwindInfo *> W64UnwindInfos;
- MCWin64EHUnwindInfo *CurrentW64UnwindInfo;
- void setCurrentW64UnwindInfo(MCWin64EHUnwindInfo *Frame);
- void EnsureValidW64UnwindInfo();
+ std::vector<WinEH::FrameInfo *> WinFrameInfos;
+ WinEH::FrameInfo *CurrentWinFrameInfo;
+ void EnsureValidWinFrameInfo();
// SymbolOrdering - Tracks an index to represent the order
// a symbol was emitted in. Zero means we did not emit that symbol.
protected:
MCStreamer(MCContext &Ctx);
- const MCExpr *BuildSymbolDiff(MCContext &Context, const MCSymbol *A,
- const MCSymbol *B);
-
- const MCExpr *ForceExpAbs(const MCExpr *Expr);
-
virtual void EmitCFIStartProcImpl(MCDwarfFrameInfo &Frame);
virtual void EmitCFIEndProcImpl(MCDwarfFrameInfo &CurFrame);
- MCWin64EHUnwindInfo *getCurrentW64UnwindInfo() {
- return CurrentW64UnwindInfo;
+ WinEH::FrameInfo *getCurrentWinFrameInfo() {
+ return CurrentWinFrameInfo;
}
- void EmitW64Tables();
+
+ virtual void EmitWindowsUnwindTables();
virtual void EmitRawTextImpl(StringRef String);
return TargetStreamer.get();
}
- unsigned getNumFrameInfos() { return FrameInfos.size(); }
-
- const MCDwarfFrameInfo &getFrameInfo(unsigned i) { return FrameInfos[i]; }
-
- ArrayRef<MCDwarfFrameInfo> getFrameInfos() const { return FrameInfos; }
-
- unsigned getNumW64UnwindInfos() { return W64UnwindInfos.size(); }
+ unsigned getNumFrameInfos() { return DwarfFrameInfos.size(); }
+ ArrayRef<MCDwarfFrameInfo> getDwarfFrameInfos() const {
+ return DwarfFrameInfos;
+ }
- MCWin64EHUnwindInfo &getW64UnwindInfo(unsigned i) {
- return *W64UnwindInfos[i];
+ unsigned getNumWinFrameInfos() { return WinFrameInfos.size(); }
+ ArrayRef<WinEH::FrameInfo *> getWinFrameInfos() const {
+ return WinFrameInfos;
}
void generateCompactUnwindEncodings(MCAsmBackend *MAB);
/// @p Section. This is required to update CurSection.
///
/// This corresponds to assembler directives like .section, .text, etc.
- void SwitchSection(const MCSection *Section,
- const MCExpr *Subsection = nullptr) {
+ virtual void SwitchSection(const MCSection *Section,
+ const MCExpr *Subsection = nullptr) {
assert(Section && "Cannot switch to a null section!");
MCSectionSubPair curSection = SectionStack.back().first;
SectionStack.back().second = curSection;
}
/// Create the default sections and set the initial one.
- virtual void InitSections();
+ virtual void InitSections(bool NoExecStack);
/// AssignSection - Sets the symbol's section.
///
/// to pass in a MCExpr for constant integers.
virtual void EmitIntValue(uint64_t Value, unsigned Size);
- /// EmitAbsValue - Emit the Value, but try to avoid relocations. On MachO
- /// this is done by producing
- /// foo = value
- /// .long foo
- void EmitAbsValue(const MCExpr *Value, unsigned Size);
-
virtual void EmitULEB128Value(const MCExpr *Value);
virtual void EmitSLEB128Value(const MCExpr *Value);
/// EmitSymbolValue - Special case of EmitValue that avoids the client
/// having to pass in a MCExpr for MCSymbols.
- void EmitSymbolValue(const MCSymbol *Sym, unsigned Size);
+ void EmitSymbolValue(const MCSymbol *Sym, unsigned Size,
+ bool IsSectionRelative = false);
/// EmitGPRel64Value - Emit the expression @p Value into the output as a
/// gprel64 (64-bit GP relative) value.
StringRef FileName);
virtual MCSymbol *getDwarfLineTableSymbol(unsigned CUID);
-
- void EmitDwarfSetLineAddr(int64_t LineDelta, const MCSymbol *Label,
- int PointerSize);
-
- virtual void EmitCompactUnwindEncoding(uint32_t CompactUnwindEncoding);
virtual void EmitCFISections(bool EH, bool Debug);
void EmitCFIStartProc(bool IsSimple);
void EmitCFIEndProc();
/// createELFStreamer - Create a machine code streamer which will generate
/// ELF format object files.
MCStreamer *createELFStreamer(MCContext &Ctx, MCAsmBackend &TAB,
- raw_ostream &OS, MCCodeEmitter *CE, bool RelaxAll,
- bool NoExecStack);
+ raw_ostream &OS, MCCodeEmitter *CE,
+ bool RelaxAll);
} // end namespace llvm
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