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Diffstat (limited to 'include/llvm/MC/MCSymbol.h')
-rw-r--r--include/llvm/MC/MCSymbol.h31
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;