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-rw-r--r--llvm/tools/llvm-objdump/SourcePrinter.h102
1 files changed, 76 insertions, 26 deletions
diff --git a/llvm/tools/llvm-objdump/SourcePrinter.h b/llvm/tools/llvm-objdump/SourcePrinter.h
index fc67fc6..5c131a0 100644
--- a/llvm/tools/llvm-objdump/SourcePrinter.h
+++ b/llvm/tools/llvm-objdump/SourcePrinter.h
@@ -22,40 +22,83 @@
namespace llvm {
namespace objdump {
+/// Base class for representing the location of a source-level variable or
+/// an inlined function.
+class LiveElement {
+protected:
+ const char *Name;
+ DWARFUnit *Unit;
+ const DWARFDie FuncDie;
+
+public:
+ LiveElement(const char *Name, DWARFUnit *Unit, const DWARFDie FuncDie)
+ : Name(Name), Unit(Unit), FuncDie(FuncDie) {}
+
+ virtual ~LiveElement() {};
+ const char *getName() const { return Name; }
+
+ virtual bool liveAtAddress(object::SectionedAddress Addr) const = 0;
+ virtual void print(raw_ostream &OS, const MCRegisterInfo &MRI) const = 0;
+ virtual void dump(raw_ostream &OS) const = 0;
+ virtual void printElementLine(raw_ostream &OS,
+ object::SectionedAddress Address,
+ bool IsEnd) const {}
+};
+
+class InlinedFunction : public LiveElement {
+private:
+ DWARFDie InlinedFuncDie;
+ DWARFAddressRange Range;
+
+public:
+ InlinedFunction(const char *FunctionName, DWARFUnit *Unit,
+ const DWARFDie FuncDie, const DWARFDie InlinedFuncDie,
+ DWARFAddressRange &Range)
+ : LiveElement(FunctionName, Unit, FuncDie),
+ InlinedFuncDie(InlinedFuncDie), Range(Range) {}
+
+ bool liveAtAddress(object::SectionedAddress Addr) const override;
+ void print(raw_ostream &OS, const MCRegisterInfo &MRI) const override;
+ void dump(raw_ostream &OS) const override;
+ void printElementLine(raw_ostream &OS, object::SectionedAddress Address,
+ bool IsEnd) const override;
+};
+
/// Stores a single expression representing the location of a source-level
/// variable, along with the PC range for which that expression is valid.
-struct LiveVariable {
+class LiveVariable : public LiveElement {
+private:
DWARFLocationExpression LocExpr;
- const char *VarName;
- DWARFUnit *Unit;
- const DWARFDie FuncDie;
+public:
LiveVariable(const DWARFLocationExpression &LocExpr, const char *VarName,
DWARFUnit *Unit, const DWARFDie FuncDie)
- : LocExpr(LocExpr), VarName(VarName), Unit(Unit), FuncDie(FuncDie) {}
+ : LiveElement(VarName, Unit, FuncDie), LocExpr(LocExpr) {}
- bool liveAtAddress(object::SectionedAddress Addr);
-
- void print(raw_ostream &OS, const MCRegisterInfo &MRI) const;
+ bool liveAtAddress(object::SectionedAddress Addr) const override;
+ void print(raw_ostream &OS, const MCRegisterInfo &MRI) const override;
+ void dump(raw_ostream &OS) const override;
};
-/// Helper class for printing source variable locations alongside disassembly.
-class LiveVariablePrinter {
- // Information we want to track about one column in which we are printing a
- // variable live range.
+/// Helper class for printing source locations for variables and inlined
+/// subroutines alongside disassembly.
+class LiveElementPrinter {
+ // Information we want to track about one column in which we are printing an
+ // element live range.
struct Column {
- unsigned VarIdx = NullVarIdx;
+ unsigned ElementIdx = NullElementIdx;
bool LiveIn = false;
bool LiveOut = false;
bool MustDrawLabel = false;
- bool isActive() const { return VarIdx != NullVarIdx; }
+ bool isActive() const { return ElementIdx != NullElementIdx; }
- static constexpr unsigned NullVarIdx = std::numeric_limits<unsigned>::max();
+ static constexpr unsigned NullElementIdx =
+ std::numeric_limits<unsigned>::max();
};
- // All live variables we know about in the object/image file.
- std::vector<LiveVariable> LiveVariables;
+ // All live elements we know about in the object/image file.
+ std::vector<std::unique_ptr<LiveElement>> LiveElements;
// The columns we are currently drawing.
IndexedMap<Column> ActiveCols;
@@ -63,11 +106,12 @@ class LiveVariablePrinter {
const MCRegisterInfo &MRI;
const MCSubtargetInfo &STI;
+ void addInlinedFunction(DWARFDie FuncDie, DWARFDie InlinedFuncDie);
void addVariable(DWARFDie FuncDie, DWARFDie VarDie);
void addFunction(DWARFDie D);
- // Get the column number (in characters) at which the first live variable
+ // Get the column number (in characters) at which the first live element
// line should be printed.
unsigned getIndentLevel() const;
@@ -75,13 +119,13 @@ class LiveVariablePrinter {
// printed line, and return the index of that column.
// TODO: formatted_raw_ostream uses "column" to mean a number of characters
// since the last \n, and we use it to mean the number of slots in which we
- // put live variable lines. Pick a less overloaded word.
+ // put live element lines. Pick a less overloaded word.
unsigned moveToFirstVarColumn(formatted_raw_ostream &OS);
unsigned findFreeColumn();
public:
- LiveVariablePrinter(const MCRegisterInfo &MRI, const MCSubtargetInfo &STI)
+ LiveElementPrinter(const MCRegisterInfo &MRI, const MCSubtargetInfo &STI)
: ActiveCols(Column()), MRI(MRI), STI(STI) {}
void dump() const;
@@ -114,7 +158,7 @@ public:
/// otherwise this is being printed before it.
void printAfterOtherLine(formatted_raw_ostream &OS, bool AfterInst);
- /// Print any live variable range info needed to the right of a
+ /// Print any live element range info needed to the right of a
/// non-instruction line of disassembly. This is where we print the variable
/// names and expressions, with thin line-drawing characters connecting them
/// to the live range which starts at the next instruction. If MustPrint is
@@ -123,8 +167,13 @@ public:
/// earlier on this line.
void printBetweenInsts(formatted_raw_ostream &OS, bool MustPrint);
- /// Print the live variable ranges to the right of a disassembled instruction.
+ /// Print the live element ranges to the right of a disassembled instruction.
void printAfterInst(formatted_raw_ostream &OS);
+
+ /// Print a line to idenfity the start of a live element.
+ void printStartLine(formatted_raw_ostream &OS, object::SectionedAddress Addr);
+ /// Print a line to idenfity the end of a live element.
+ void printEndLine(formatted_raw_ostream &OS, object::SectionedAddress Addr);
};
class SourcePrinter {
@@ -144,12 +193,13 @@ protected:
private:
bool cacheSource(const DILineInfo &LineInfoFile);
- void printLines(formatted_raw_ostream &OS, const DILineInfo &LineInfo,
- StringRef Delimiter, LiveVariablePrinter &LVP);
+ void printLines(formatted_raw_ostream &OS, object::SectionedAddress Address,
+ const DILineInfo &LineInfo, StringRef Delimiter,
+ LiveElementPrinter &LEP);
void printSources(formatted_raw_ostream &OS, const DILineInfo &LineInfo,
StringRef ObjectFilename, StringRef Delimiter,
- LiveVariablePrinter &LVP);
+ LiveElementPrinter &LEP);
// Returns line source code corresponding to `LineInfo`.
// Returns empty string if source code cannot be found.
@@ -162,7 +212,7 @@ public:
virtual void printSourceLine(formatted_raw_ostream &OS,
object::SectionedAddress Address,
StringRef ObjectFilename,
- LiveVariablePrinter &LVP,
+ LiveElementPrinter &LEP,
StringRef Delimiter = "; ");
};
generated by cgit v1.1 at 2025-07-26 08:32:04 +0000