#include <map>
#include <vector>
#include <string>
+#include <utility>
namespace llvm {
class MCAsmBackend;
}
};
-class MCDwarfFileTable {
+struct MCDwarfLineTableHeader {
MCSymbol *Label;
SmallVector<std::string, 3> MCDwarfDirs;
SmallVector<MCDwarfFile, 3> MCDwarfFiles;
+ unsigned getFile(StringRef Directory, StringRef FileName, unsigned FileNumber);
+ std::pair<MCSymbol *, MCSymbol *> Emit(MCStreamer *MCOS) const;
+};
+
+class MCDwarfFileTable {
+ MCDwarfLineTableHeader Header;
MCLineSection MCLineSections;
public:
- //
// This emits the Dwarf file and the line tables for all Compile Units.
- //
static const MCSymbol *Emit(MCStreamer *MCOS);
- //
+
// This emits the Dwarf file and the line tables for a given Compile Unit.
- //
const MCSymbol *EmitCU(MCStreamer *MCOS) const;
unsigned getFile(StringRef Directory, StringRef FileName, unsigned FileNumber);
+ MCSymbol *getLabel() const {
+ return Header.Label;
+ }
+
+ void setLabel(MCSymbol *Label) {
+ Header.Label = Label;
+ }
+
const SmallVectorImpl<std::string> &getMCDwarfDirs() const {
- return MCDwarfDirs;
+ return Header.MCDwarfDirs;
}
SmallVectorImpl<std::string> &getMCDwarfDirs() {
- return MCDwarfDirs;
+ return Header.MCDwarfDirs;
}
const SmallVectorImpl<MCDwarfFile> &getMCDwarfFiles() const {
- return MCDwarfFiles;
+ return Header.MCDwarfFiles;
}
SmallVectorImpl<MCDwarfFile> &getMCDwarfFiles() {
- return MCDwarfFiles;
+ return Header.MCDwarfFiles;
}
const MCLineSection &getMCLineSections() const {
MCLineSection &getMCLineSections() {
return MCLineSections;
}
-
- MCSymbol *getLabel() const {
- return Label;
- }
-
- void setLabel(MCSymbol *Label) {
- this->Label = Label;
- }
};
class MCDwarfLineAddr {
return LineStartSym;
}
-const MCSymbol *MCDwarfFileTable::EmitCU(MCStreamer *MCOS) const {
+std::pair<MCSymbol *, MCSymbol *> MCDwarfLineTableHeader::Emit(MCStreamer *MCOS) const {
MCContext &context = MCOS->getContext();
-
-
// Create a symbol at the beginning of the line table.
MCSymbol *LineStartSym = Label;
if (!LineStartSym)
// end of the prologue (that was used in a previous expression).
MCOS->EmitLabel(ProEndSym);
+ return std::make_pair(LineStartSym, LineEndSym);
+}
+
+const MCSymbol *MCDwarfFileTable::EmitCU(MCStreamer *MCOS) const {
+ MCSymbol *LineStartSym;
+ MCSymbol *LineEndSym;
+ std::tie(LineStartSym, LineEndSym) = Header.Emit(MCOS);
+
// Put out the line tables.
for (const auto &LineSec : MCLineSections.getMCLineEntries())
EmitDwarfLineTable(MCOS, LineSec.first, LineSec.second);
}
unsigned MCDwarfFileTable::getFile(StringRef Directory, StringRef FileName, unsigned FileNumber) {
+ return Header.getFile(Directory, FileName, FileNumber);
+}
+
+unsigned MCDwarfLineTableHeader::getFile(StringRef Directory, StringRef FileName, unsigned FileNumber) {
// Make space for this FileNumber in the MCDwarfFiles vector if needed.
MCDwarfFiles.resize(FileNumber + 1);