formatted_raw_ostream &OS;
const MCAsmInfo &MAI;
OwningPtr<MCInstPrinter> InstPrinter;
- MCCodeEmitter *Emitter;
-
+ OwningPtr<MCCodeEmitter> Emitter;
+
SmallString<128> CommentToEmit;
raw_svector_ostream CommentStream;
/// isVerboseAsm - Return true if this streamer supports verbose assembly at
/// all.
virtual bool isVerboseAsm() const { return IsVerboseAsm; }
-
+
/// hasRawTextSupport - We support EmitRawText.
virtual bool hasRawTextSupport() const { return true; }
virtual void SwitchSection(const MCSection *Section);
+ virtual void InitSections() {
+ // FIXME, this is MachO specific, but the testsuite
+ // expects this.
+ SwitchSection(getContext().getMachOSection("__TEXT", "__text",
+ MCSectionMachO::S_ATTR_PURE_INSTRUCTIONS,
+ 0, SectionKind::getText()));
+ }
+
virtual void EmitLabel(MCSymbol *Symbol);
virtual void EmitAssemblerFlag(MCAssemblerFlag Flag);
/// @param Symbol - The common symbol to emit.
/// @param Size - The size of the common symbol.
virtual void EmitLocalCommonSymbol(MCSymbol *Symbol, uint64_t Size);
-
+
virtual void EmitZerofill(const MCSection *Section, MCSymbol *Symbol = 0,
unsigned Size = 0, unsigned ByteAlignment = 0);
+ virtual void EmitTBSSSymbol (const MCSection *Section, MCSymbol *Symbol,
+ uint64_t Size, unsigned ByteAlignment = 0);
+
virtual void EmitBytes(StringRef Data, unsigned AddrSpace);
virtual void EmitValue(const MCExpr *Value, unsigned Size,unsigned AddrSpace);
virtual void EmitIntValue(uint64_t Value, unsigned Size, unsigned AddrSpace);
virtual void EmitGPRel32Value(const MCExpr *Value);
-
+
virtual void EmitFill(uint64_t NumBytes, uint8_t FillValue,
unsigned AddrSpace);
virtual void EmitDwarfFileDirective(unsigned FileNo, StringRef Filename);
virtual void EmitInstruction(const MCInst &Inst);
-
- /// EmitRawText - If this file is backed by a assembly streamer, this dumps
+
+ /// EmitRawText - If this file is backed by an assembly streamer, this dumps
/// the specified string in the output .s file. This capability is
/// indicated by the hasRawTextSupport() predicate.
virtual void EmitRawText(StringRef String);
-
+
virtual void Finish();
-
+
/// @}
};
/// verbose assembly output is enabled.
void MCAsmStreamer::AddComment(const Twine &T) {
if (!IsVerboseAsm) return;
-
+
// Make sure that CommentStream is flushed.
CommentStream.flush();
-
+
T.toVector(CommentToEmit);
// Each comment goes on its own line.
CommentToEmit.push_back('\n');
-
+
// Tell the comment stream that the vector changed underneath it.
CommentStream.resync();
}
OS << '\n';
return;
}
-
+
CommentStream.flush();
StringRef Comments = CommentToEmit.str();
-
+
assert(Comments.back() == '\n' &&
"Comment array not newline terminated");
do {
OS.PadToColumn(MAI.getCommentColumn());
size_t Position = Comments.find('\n');
OS << MAI.getCommentString() << ' ' << Comments.substr(0, Position) << '\n';
-
+
Comments = Comments.substr(Position+1);
} while (!Comments.empty());
-
+
CommentToEmit.clear();
// Tell the comment stream that the vector changed underneath it.
CommentStream.resync();
void MCAsmStreamer::SwitchSection(const MCSection *Section) {
assert(Section && "Cannot switch to a null section!");
if (Section != CurSection) {
+ PrevSection = CurSection;
CurSection = Section;
Section->PrintSwitchToSection(MAI, OS);
}
assert(!Symbol->isVariable() && "Cannot emit a variable symbol!");
assert(CurSection && "Cannot emit before setting section!");
- OS << *Symbol << ":";
+ OS << *Symbol << MAI.getLabelSuffix();
EmitEOL();
Symbol->setSection(*CurSection);
}
void MCAsmStreamer::EmitAssemblerFlag(MCAssemblerFlag Flag) {
switch (Flag) {
default: assert(0 && "Invalid flag!");
+ case MCAF_SyntaxUnified: OS << "\t.syntax unified"; break;
case MCAF_SubsectionsViaSymbols: OS << ".subsections_via_symbols"; break;
}
EmitEOL();
case MCSA_Global: // .globl/.global
OS << MAI.getGlobalDirective();
break;
- case MCSA_Hidden: OS << ".hidden "; break;
- case MCSA_IndirectSymbol: OS << ".indirect_symbol "; break;
- case MCSA_Internal: OS << ".internal "; break;
- case MCSA_LazyReference: OS << ".lazy_reference "; break;
- case MCSA_Local: OS << ".local "; break;
- case MCSA_NoDeadStrip: OS << ".no_dead_strip "; break;
- case MCSA_PrivateExtern: OS << ".private_extern "; break;
- case MCSA_Protected: OS << ".protected "; break;
- case MCSA_Reference: OS << ".reference "; break;
- case MCSA_Weak: OS << ".weak "; break;
- case MCSA_WeakDefinition: OS << ".weak_definition "; break;
+ case MCSA_Hidden: OS << "\t.hidden\t"; break;
+ case MCSA_IndirectSymbol: OS << "\t.indirect_symbol\t"; break;
+ case MCSA_Internal: OS << "\t.internal\t"; break;
+ case MCSA_LazyReference: OS << "\t.lazy_reference\t"; break;
+ case MCSA_Local: OS << "\t.local\t"; break;
+ case MCSA_NoDeadStrip: OS << "\t.no_dead_strip\t"; break;
+ case MCSA_PrivateExtern: OS << "\t.private_extern\t"; break;
+ case MCSA_Protected: OS << "\t.protected\t"; break;
+ case MCSA_Reference: OS << "\t.reference\t"; break;
+ case MCSA_Weak: OS << "\t.weak\t"; break;
+ case MCSA_WeakDefinition: OS << "\t.weak_definition\t"; break;
// .weak_reference
case MCSA_WeakReference: OS << MAI.getWeakRefDirective(); break;
+ case MCSA_WeakDefAutoPrivate: OS << "\t.weak_def_can_be_hidden\t"; break;
}
OS << *Symbol;
unsigned Size, unsigned ByteAlignment) {
// Note: a .zerofill directive does not switch sections.
OS << ".zerofill ";
-
+
// This is a mach-o specific directive.
const MCSectionMachO *MOSection = ((const MCSectionMachO*)Section);
OS << MOSection->getSegmentName() << "," << MOSection->getSectionName();
-
+
if (Symbol != NULL) {
OS << ',' << *Symbol << ',' << Size;
if (ByteAlignment != 0)
EmitEOL();
}
+// .tbss sym, size, align
+// This depends that the symbol has already been mangled from the original,
+// e.g. _a.
+void MCAsmStreamer::EmitTBSSSymbol(const MCSection *Section, MCSymbol *Symbol,
+ uint64_t Size, unsigned ByteAlignment) {
+ assert(Symbol != NULL && "Symbol shouldn't be NULL!");
+ // Instead of using the Section we'll just use the shortcut.
+ // This is a mach-o specific directive and section.
+ OS << ".tbss " << *Symbol << ", " << Size;
+
+ // Output align if we have it. We default to 1 so don't bother printing
+ // that.
+ if (ByteAlignment > 1) OS << ", " << Log2_32(ByteAlignment);
+
+ EmitEOL();
+}
+
static inline char toOctal(int X) { return (X&7)+'0'; }
static void PrintQuotedString(StringRef Data, raw_ostream &OS) {
OS << '"';
-
+
for (unsigned i = 0, e = Data.size(); i != e; ++i) {
unsigned char C = Data[i];
if (C == '"' || C == '\\') {
OS << '\\' << (char)C;
continue;
}
-
+
if (isprint((unsigned char)C)) {
OS << (char)C;
continue;
}
-
+
switch (C) {
case '\b': OS << "\\b"; break;
case '\f': OS << "\\f"; break;
break;
}
}
-
+
OS << '"';
}
void MCAsmStreamer::EmitBytes(StringRef Data, unsigned AddrSpace) {
assert(CurSection && "Cannot emit contents before setting section!");
if (Data.empty()) return;
-
+
if (Data.size() == 1) {
OS << MAI.getData8bitsDirective(AddrSpace);
OS << (unsigned)(unsigned char)Data[0];
}
return;
}
-
+
assert(Directive && "Invalid size for machine code value!");
OS << Directive << truncateToSize(Value, Size);
EmitEOL();
case 4: Directive = MAI.getData32bitsDirective(AddrSpace); break;
case 8: Directive = MAI.getData64bitsDirective(AddrSpace); break;
}
-
+
assert(Directive && "Invalid size for machine code value!");
OS << Directive << *Value;
EmitEOL();
void MCAsmStreamer::EmitFill(uint64_t NumBytes, uint8_t FillValue,
unsigned AddrSpace) {
if (NumBytes == 0) return;
-
+
if (AddrSpace == 0)
if (const char *ZeroDirective = MAI.getZeroDirective()) {
OS << ZeroDirective << NumBytes;
case 4: OS << ".p2alignl "; break;
case 8: llvm_unreachable("Unsupported alignment size!");
}
-
+
if (MAI.getAlignmentIsInBytes())
OS << ByteAlignment;
else
OS << ", 0x";
OS.write_hex(truncateToSize(Value, ValueSize));
- if (MaxBytesToEmit)
+ if (MaxBytesToEmit)
OS << ", " << MaxBytesToEmit;
}
EmitEOL();
return;
}
-
+
// Non-power of two alignment. This is not widely supported by assemblers.
// FIXME: Parameterize this based on MAI.
switch (ValueSize) {
OS << ' ' << ByteAlignment;
OS << ", " << truncateToSize(Value, ValueSize);
- if (MaxBytesToEmit)
+ if (MaxBytesToEmit)
OS << ", " << MaxBytesToEmit;
EmitEOL();
}
AddEncodingComment(Inst);
// Show the MCInst if enabled.
- if (ShowInst)
+ if (ShowInst) {
Inst.dump_pretty(GetCommentOS(), &MAI, InstPrinter.get(), "\n ");
-
+ GetCommentOS() << "\n";
+ }
+
// If we have an AsmPrinter, use that to print, otherwise print the MCInst.
if (InstPrinter)
InstPrinter->printInst(&Inst, OS);
EmitEOL();
}
-/// EmitRawText - If this file is backed by a assembly streamer, this dumps
+/// EmitRawText - If this file is backed by an assembly streamer, this dumps
/// the specified string in the output .s file. This capability is
/// indicated by the hasRawTextSupport() predicate.
void MCAsmStreamer::EmitRawText(StringRef String) {
}
void MCAsmStreamer::Finish() {
- OS.flush();
}
MCStreamer *llvm::createAsmStreamer(MCContext &Context,
projects / oota-llvm.git / blobdiff