#ifndef LLVM_MC_MCDWARF_H
#define LLVM_MC_MCDWARF_H
-#include "llvm/ADT/StringRef.h"
+#include "llvm/ADT/ArrayRef.h"
#include "llvm/ADT/MapVector.h"
+#include "llvm/ADT/StringMap.h"
+#include "llvm/ADT/StringRef.h"
#include "llvm/Support/Compiler.h"
#include "llvm/Support/Dwarf.h"
#include "llvm/Support/raw_ostream.h"
#include <map>
+#include <string>
+#include <utility>
#include <vector>
namespace llvm {
class MCAsmBackend;
class MCContext;
+class MCObjectStreamer;
class MCSection;
class MCStreamer;
class MCSymbol;
struct MCDwarfFile {
// Name - the base name of the file without its directory path.
// The StringRef references memory allocated in the MCContext.
- StringRef Name;
+ std::string Name;
// DirIndex - the index into the list of directory names for this file name.
unsigned DirIndex;
// This is called when an instruction is assembled into the specified
// section and if there is information from the last .loc directive that
// has yet to have a line entry made for it is made.
- static void Make(MCStreamer *MCOS, const MCSection *Section);
+ static void Make(MCObjectStreamer *MCOS, const MCSection *Section);
};
/// MCLineSection - Instances of this class represent the line information
}
};
-class MCDwarfFileTable {
+struct MCDwarfLineTableHeader {
MCSymbol *Label;
- SmallVector<StringRef, 3> MCDwarfDirs;
- SmallVector<MCDwarfFile *, 3> MCDwarfFiles;
+ SmallVector<std::string, 3> MCDwarfDirs;
+ SmallVector<MCDwarfFile, 3> MCDwarfFiles;
+ StringMap<unsigned> SourceIdMap;
+ StringRef CompilationDir;
+
+ MCDwarfLineTableHeader() : Label(nullptr) {}
+ unsigned getFile(StringRef &Directory, StringRef &FileName,
+ unsigned FileNumber = 0);
+ std::pair<MCSymbol *, MCSymbol *> Emit(MCStreamer *MCOS) const;
+ std::pair<MCSymbol *, MCSymbol *>
+ Emit(MCStreamer *MCOS, ArrayRef<char> SpecialOpcodeLengths) const;
+};
+
+class MCDwarfDwoLineTable {
+ MCDwarfLineTableHeader Header;
+public:
+ void setCompilationDir(StringRef CompilationDir) {
+ Header.CompilationDir = CompilationDir;
+ }
+ unsigned getFile(StringRef Directory, StringRef FileName) {
+ return Header.getFile(Directory, FileName);
+ }
+ void Emit(MCStreamer &MCOS) const;
+};
+
+class MCDwarfLineTable {
+ MCDwarfLineTableHeader Header;
MCLineSection MCLineSections;
public:
- //
// This emits the Dwarf file and the line tables for all Compile Units.
- //
- static const MCSymbol *Emit(MCStreamer *MCOS);
- //
+ static void Emit(MCObjectStreamer *MCOS);
+
// This emits the Dwarf file and the line tables for a given Compile Unit.
- //
- const MCSymbol *EmitCU(MCStreamer *MCOS) const;
+ void EmitCU(MCObjectStreamer *MCOS) const;
- const SmallVectorImpl<StringRef> &getMCDwarfDirs() const {
- return MCDwarfDirs;
+ unsigned getFile(StringRef &Directory, StringRef &FileName,
+ unsigned FileNumber = 0);
+
+ MCSymbol *getLabel() const {
+ return Header.Label;
}
- SmallVectorImpl<StringRef> &getMCDwarfDirs() {
- return MCDwarfDirs;
+ void setLabel(MCSymbol *Label) {
+ Header.Label = Label;
}
- const SmallVectorImpl<MCDwarfFile *> &getMCDwarfFiles() const {
- return MCDwarfFiles;
+ void setCompilationDir(StringRef CompilationDir) {
+ Header.CompilationDir = CompilationDir;
}
- SmallVectorImpl<MCDwarfFile *> &getMCDwarfFiles() {
- return MCDwarfFiles;
+ const SmallVectorImpl<std::string> &getMCDwarfDirs() const {
+ return Header.MCDwarfDirs;
}
- const MCLineSection &getMCLineSections() const {
- return MCLineSections;
+ SmallVectorImpl<std::string> &getMCDwarfDirs() {
+ return Header.MCDwarfDirs;
}
- MCLineSection &getMCLineSections() {
- return MCLineSections;
+
+ const SmallVectorImpl<MCDwarfFile> &getMCDwarfFiles() const {
+ return Header.MCDwarfFiles;
}
- MCSymbol *getLabel() const {
- return Label;
+ SmallVectorImpl<MCDwarfFile> &getMCDwarfFiles() {
+ return Header.MCDwarfFiles;
}
- void setLabel(MCSymbol *Label) {
- this->Label = Label;
+ const MCLineSection &getMCLineSections() const {
+ return MCLineSections;
+ }
+ MCLineSection &getMCLineSections() {
+ return MCLineSections;
}
};
// When generating dwarf for assembly source files this emits the Dwarf
// sections.
//
- static void Emit(MCStreamer *MCOS, const MCSymbol *LineSectionSymbol);
+ static void Emit(MCStreamer *MCOS);
};
// When generating dwarf for assembly source files this is the info that is
return Offset;
}
- const StringRef getValues() const {
+ StringRef getValues() const {
assert(Operation == OpEscape);
return StringRef(&Values[0], Values.size());
}
struct MCDwarfFrameInfo {
MCDwarfFrameInfo()
- : Begin(0), End(0), Personality(0), Lsda(0), Function(0), Instructions(),
- PersonalityEncoding(), LsdaEncoding(0), CompactUnwindEncoding(0),
- IsSignalFrame(false), IsSimple(false) {}
+ : Begin(nullptr), End(nullptr), Personality(nullptr), Lsda(nullptr),
+ Instructions(), CurrentCfaRegister(0), PersonalityEncoding(),
+ LsdaEncoding(0), CompactUnwindEncoding(0), IsSignalFrame(false),
+ IsSimple(false) {}
MCSymbol *Begin;
MCSymbol *End;
const MCSymbol *Personality;
const MCSymbol *Lsda;
- const MCSymbol *Function;
std::vector<MCCFIInstruction> Instructions;
+ unsigned CurrentCfaRegister;
unsigned PersonalityEncoding;
unsigned LsdaEncoding;
uint32_t CompactUnwindEncoding;
//
// This emits the frame info section.
//
- static void Emit(MCStreamer &streamer, MCAsmBackend *MAB,
- bool usingCFI, bool isEH);
- static void EmitAdvanceLoc(MCStreamer &Streamer, uint64_t AddrDelta);
+ static void Emit(MCObjectStreamer &streamer, MCAsmBackend *MAB, bool isEH);
+ static void EmitAdvanceLoc(MCObjectStreamer &Streamer, uint64_t AddrDelta);
static void EncodeAdvanceLoc(MCContext &Context, uint64_t AddrDelta,
raw_ostream &OS);
};