using namespace llvm;
// Sentinel value for the absolute pseudo section.
-const MCSection *MCSymbol::AbsolutePseudoSection =
- reinterpret_cast<const MCSection *>(1);
+MCSection *MCSymbol::AbsolutePseudoSection = reinterpret_cast<MCSection *>(1);
static bool isAcceptableChar(char C) {
if ((C < 'a' || C > 'z') &&
return true;
}
-/// NameNeedsQuoting - Return true if the identifier \arg Str needs quotes to be
+/// NameNeedsQuoting - Return true if the identifier \p Str needs quotes to be
/// syntactically correct.
static bool NameNeedsQuoting(StringRef Str) {
assert(!Str.empty() && "Cannot create an empty MCSymbol");
-
+
// If any of the characters in the string is an unacceptable character, force
// quotes.
for (unsigned i = 0, e = Str.size(); i != e; ++i)
return false;
}
-const MCSymbol &MCSymbol::AliasedSymbol() const {
- const MCSymbol *S = this;
- while (S->isVariable()) {
- const MCExpr *Value = S->getVariableValue();
- if (Value->getKind() != MCExpr::SymbolRef)
- return *S;
- const MCSymbolRefExpr *Ref = static_cast<const MCSymbolRefExpr*>(Value);
- S = &Ref->getSymbol();
- }
- return *S;
-}
-
void MCSymbol::setVariableValue(const MCExpr *Value) {
assert(!IsUsed && "Cannot set a variable that has already been used.");
assert(Value && "Invalid variable value!");
- assert((isUndefined() || (isAbsolute() && isa<MCConstantExpr>(Value))) &&
- "Invalid redefinition!");
this->Value = Value;
-
- // Variables should always be marked as in the same "section" as the value.
- const MCSection *Section = Value->FindAssociatedSection();
- if (Section)
- setSection(*Section);
- else
- setUndefined();
+ Section = nullptr;
+ HasFragment = false;
}
void MCSymbol::print(raw_ostream &OS) const {
// The name for this MCSymbol is required to be a valid target name. However,
// some targets support quoting names with funny characters. If the name
// contains a funny character, then print it quoted.
- if (!NameNeedsQuoting(getName())) {
- OS << getName();
+ StringRef Name = getName();
+ if (Name.empty()) {
+ OS << "\"\"";
+ return;
+ }
+ if (!NameNeedsQuoting(Name)) {
+ OS << Name;
return;
}
-
- OS << '"' << getName() << '"';
-}
-void MCSymbol::dump() const {
- print(dbgs());
+ OS << '"';
+ for (unsigned I = 0, E = Name.size(); I != E; ++I) {
+ char C = Name[I];
+ if (C == '\n')
+ OS << "\\n";
+ else if (C == '"')
+ OS << "\\\"";
+ else
+ OS << C;
+ }
+ OS << '"';
}
+
+#if !defined(NDEBUG) || defined(LLVM_ENABLE_DUMP)
+void MCSymbol::dump() const { dbgs() << *this; }
+#endif