diff options
Diffstat (limited to 'include/llvm/MC/MCSymbol.h')
-rw-r--r-- | include/llvm/MC/MCSymbol.h | 31 |
1 files changed, 28 insertions, 3 deletions
diff --git a/include/llvm/MC/MCSymbol.h b/include/llvm/MC/MCSymbol.h index 5dd7d68585c7..d08f0e5f8edc 100644 --- a/include/llvm/MC/MCSymbol.h +++ b/include/llvm/MC/MCSymbol.h @@ -20,6 +20,7 @@ namespace llvm { class MCAsmInfo; + class MCExpr; class MCSection; class MCContext; class raw_ostream; @@ -45,6 +46,9 @@ namespace llvm { /// absolute symbols. const MCSection *Section; + /// Value - If non-null, the value for a variable symbol. + const MCExpr *Value; + /// IsTemporary - True if this is an assembler temporary label, which /// typically does not survive in the .o file's symbol table. Usually /// "Lfoo" or ".foo". @@ -52,9 +56,9 @@ namespace llvm { private: // MCContext creates and uniques these. friend class MCContext; - MCSymbol(const StringRef &_Name, bool _IsTemporary) - : Name(_Name), Section(0), IsTemporary(_IsTemporary) {} - + MCSymbol(const StringRef &_Name, bool _IsTemporary) + : Name(_Name), Section(0), Value(0), IsTemporary(_IsTemporary) {} + MCSymbol(const MCSymbol&); // DO NOT IMPLEMENT void operator=(const MCSymbol&); // DO NOT IMPLEMENT public: @@ -69,6 +73,10 @@ namespace llvm { return IsTemporary; } + /// @} + /// @name Associated Sections + /// @{ + /// isDefined - Check if this symbol is defined (i.e., it has an address). /// /// Defined symbols are either absolute or in some section. @@ -105,6 +113,23 @@ namespace llvm { void setAbsolute() { Section = AbsolutePseudoSection; } /// @} + /// @name Variable Symbols + /// @{ + + /// isVariable - Check if this is a variable symbol. + bool isVariable() const { + return Value != 0; + } + + /// getValue() - Get the value for variable symbols, or null if the symbol + /// is not a variable. + const MCExpr *getValue() const { return Value; } + + void setValue(const MCExpr *Value) { + this->Value = Value; + } + + /// @} /// print - Print the value to the stream \arg OS. void print(raw_ostream &OS, const MCAsmInfo *MAI) const; |