#define LLVM_MC_MCDWARF_H
#include "llvm/ADT/StringRef.h"
-#include "llvm/MC/MachineLocation.h"
-#include "llvm/Support/raw_ostream.h"
-#include "llvm/Support/Dwarf.h"
#include "llvm/Support/Compiler.h"
+#include "llvm/Support/Dwarf.h"
+#include "llvm/Support/raw_ostream.h"
+#include <map>
#include <vector>
namespace llvm {
class MCLineSection {
private:
- MCLineSection(const MCLineSection&); // DO NOT IMPLEMENT
- void operator=(const MCLineSection&); // DO NOT IMPLEMENT
+ MCLineSection(const MCLineSection&) LLVM_DELETED_FUNCTION;
+ void operator=(const MCLineSection&) LLVM_DELETED_FUNCTION;
public:
// Constructor to create an MCLineSection with an empty MCLineEntries
MCLineSection() {}
// addLineEntry - adds an entry to this MCLineSection's line entries
- void addLineEntry(const MCLineEntry &LineEntry) {
- MCLineEntries.push_back(LineEntry);
+ void addLineEntry(const MCLineEntry &LineEntry, unsigned CUID) {
+ MCLineDivisions[CUID].push_back(LineEntry);
}
typedef std::vector<MCLineEntry> MCLineEntryCollection;
typedef MCLineEntryCollection::iterator iterator;
typedef MCLineEntryCollection::const_iterator const_iterator;
+ typedef std::map<unsigned, MCLineEntryCollection> MCLineDivisionMap;
private:
- MCLineEntryCollection MCLineEntries;
+ // A collection of MCLineEntry for each Compile Unit ID.
+ MCLineDivisionMap MCLineDivisions;
public:
- const MCLineEntryCollection *getMCLineEntries() const {
- return &MCLineEntries;
+ // Returns whether MCLineSection contains entries for a given Compile
+ // Unit ID.
+ bool containEntriesForID(unsigned CUID) const {
+ return MCLineDivisions.count(CUID);
+ }
+ // Returns the collection of MCLineEntry for a given Compile Unit ID.
+ const MCLineEntryCollection &getMCLineEntries(unsigned CUID) const {
+ MCLineDivisionMap::const_iterator CIter = MCLineDivisions.find(CUID);
+ assert(CIter != MCLineDivisions.end());
+ return CIter->second;
}
};
class MCDwarfFileTable {
public:
//
- // This emits the Dwarf file and the line tables.
+ // 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.
+ //
+ static const MCSymbol *EmitCU(MCStreamer *MCOS, unsigned ID);
};
class MCDwarfLineAddr {
class MCCFIInstruction {
public:
- enum OpType { SameValue, RememberState, RestoreState, Move, RelMove, Escape,
- Restore};
+ enum OpType { OpSameValue, OpRememberState, OpRestoreState, OpOffset,
+ OpDefCfaRegister, OpDefCfaOffset, OpDefCfa, OpRelOffset,
+ OpAdjustCfaOffset, OpEscape, OpRestore, OpUndefined,
+ OpRegister };
private:
OpType Operation;
MCSymbol *Label;
- // Move to & from location.
- MachineLocation Destination;
- MachineLocation Source;
+ unsigned Register;
+ union {
+ int Offset;
+ unsigned Register2;
+ };
std::vector<char> Values;
+
+ MCCFIInstruction(OpType Op, MCSymbol *L, unsigned R, int O, StringRef V) :
+ Operation(Op), Label(L), Register(R), Offset(O),
+ Values(V.begin(), V.end()) {
+ assert(Op != OpRegister);
+ }
+
+ MCCFIInstruction(OpType Op, MCSymbol *L, unsigned R1, unsigned R2) :
+ Operation(Op), Label(L), Register(R1), Register2(R2) {
+ assert(Op == OpRegister);
+ }
+
public:
- MCCFIInstruction(OpType Op, MCSymbol *L)
- : Operation(Op), Label(L) {
- assert(Op == RememberState || Op == RestoreState);
+ static MCCFIInstruction
+ createOffset(MCSymbol *L, unsigned Register, int Offset) {
+ return MCCFIInstruction(OpOffset, L, Register, Offset, "");
+ }
+
+ static MCCFIInstruction
+ createDefCfaRegister(MCSymbol *L, unsigned Register) {
+ return MCCFIInstruction(OpDefCfaRegister, L, Register, 0, "");
+ }
+
+ static MCCFIInstruction createDefCfaOffset(MCSymbol *L, int Offset) {
+ return MCCFIInstruction(OpDefCfaOffset, L, 0, -Offset, "");
+ }
+
+ static MCCFIInstruction
+ createDefCfa(MCSymbol *L, unsigned Register, int Offset) {
+ return MCCFIInstruction(OpDefCfa, L, Register, -Offset, "");
+ }
+
+ static MCCFIInstruction createUndefined(MCSymbol *L, unsigned Register) {
+ return MCCFIInstruction(OpUndefined, L, Register, 0, "");
}
- MCCFIInstruction(OpType Op, MCSymbol *L, unsigned Register)
- : Operation(Op), Label(L), Destination(Register) {
- assert(Op == SameValue || Op == Restore);
+
+ static MCCFIInstruction createRestore(MCSymbol *L, unsigned Register) {
+ return MCCFIInstruction(OpRestore, L, Register, 0, "");
+ }
+
+ static MCCFIInstruction createSameValue(MCSymbol *L, unsigned Register) {
+ return MCCFIInstruction(OpSameValue, L, Register, 0, "");
+ }
+
+ static MCCFIInstruction createRestoreState(MCSymbol *L) {
+ return MCCFIInstruction(OpRestoreState, L, 0, 0, "");
}
- MCCFIInstruction(MCSymbol *L, const MachineLocation &D,
- const MachineLocation &S)
- : Operation(Move), Label(L), Destination(D), Source(S) {
+
+ static MCCFIInstruction createRememberState(MCSymbol *L) {
+ return MCCFIInstruction(OpRememberState, L, 0, 0, "");
+ }
+
+ static MCCFIInstruction
+ createRelOffset(MCSymbol *L, unsigned Register, int Offset) {
+ return MCCFIInstruction(OpRelOffset, L, Register, Offset, "");
+ }
+
+ static MCCFIInstruction
+ createAdjustCfaOffset(MCSymbol *L, int Adjustment) {
+ return MCCFIInstruction(OpAdjustCfaOffset, L, 0, Adjustment, "");
}
- MCCFIInstruction(OpType Op, MCSymbol *L, const MachineLocation &D,
- const MachineLocation &S)
- : Operation(Op), Label(L), Destination(D), Source(S) {
- assert(Op == RelMove);
+
+ static MCCFIInstruction createEscape(MCSymbol *L, StringRef Vals) {
+ return MCCFIInstruction(OpEscape, L, 0, 0, Vals);
}
- MCCFIInstruction(OpType Op, MCSymbol *L, StringRef Vals)
- : Operation(Op), Label(L), Values(Vals.begin(), Vals.end()) {
- assert(Op == Escape);
+
+ static MCCFIInstruction
+ createRegister(MCSymbol *L, unsigned Register1, unsigned Register2) {
+ return MCCFIInstruction(OpRegister, L, Register1, Register2);
}
+
OpType getOperation() const { return Operation; }
MCSymbol *getLabel() const { return Label; }
- const MachineLocation &getDestination() const { return Destination; }
- const MachineLocation &getSource() const { return Source; }
+
+ unsigned getRegister() const {
+ assert(Operation == OpDefCfa || Operation == OpOffset ||
+ Operation == OpRestore || Operation == OpUndefined ||
+ Operation == OpSameValue || Operation == OpDefCfaRegister ||
+ Operation == OpRelOffset || Operation == OpRegister);
+ return Register;
+ }
+
+ unsigned getRegister2() const {
+ assert(Operation == OpRegister);
+ return Register2;
+ }
+
+ int getOffset() const {
+ assert(Operation == OpDefCfa || Operation == OpOffset ||
+ Operation == OpRelOffset || Operation == OpDefCfaOffset ||
+ Operation == OpAdjustCfaOffset);
+ return Offset;
+ }
+
const StringRef getValues() const {
+ assert(Operation == OpEscape);
return StringRef(&Values[0], Values.size());
}
};
projects / oota-llvm.git / blobdiff