#include "llvm/MC/MCSymbol.h"
#include "llvm/MC/MCExpr.h"
-#include "llvm/MC/MCValue.h"
#include "llvm/Support/Debug.h"
#include "llvm/Support/raw_ostream.h"
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 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;
-}
-
-const MCSymbol *MCSymbol::getBaseSymbol(const MCAsmLayout &Layout) const {
- if (!isVariable())
- return this;
-
- const MCExpr *Expr = getVariableValue();
- MCValue Value;
- if (!Expr->EvaluateAsRelocatable(Value, &Layout))
- return nullptr;
-
- if (Value.getSymB())
- return nullptr;
- if (const MCSymbolRefExpr *A = Value.getSymA())
- return &A->getSymbol();
- return nullptr;
-}
-
void MCSymbol::setVariableValue(const MCExpr *Value) {
assert(!IsUsed && "Cannot set a variable that has already been used.");
assert(Value && "Invalid variable value!");
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 {
// some targets support quoting names with funny characters. If the name
// contains a funny character, then print it quoted.
StringRef Name = getName();
+ if (Name.empty()) {
+ OS << "\"\"";
+ return;
+ }
if (!NameNeedsQuoting(Name)) {
OS << Name;
return;
}
#if !defined(NDEBUG) || defined(LLVM_ENABLE_DUMP)
-void MCSymbol::dump() const {
- print(dbgs());
-}
+void MCSymbol::dump() const { dbgs() << *this; }
#endif