diff options
Diffstat (limited to 'include/llvm/MC/MCStreamer.h')
| -rw-r--r-- | include/llvm/MC/MCStreamer.h | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/include/llvm/MC/MCStreamer.h b/include/llvm/MC/MCStreamer.h index cd297a4..8cb5c49 100644 --- a/include/llvm/MC/MCStreamer.h +++ b/include/llvm/MC/MCStreamer.h @@ -86,6 +86,10 @@ private: MCSymbol *LastSymbol; + // SymbolOrdering - Tracks an index to represent the order + // a symbol was emitted in. Zero means we did not emit that symbol. + DenseMap<const MCSymbol *, unsigned> SymbolOrdering; + /// SectionStack - This is stack of current and previous section /// values saved by PushSection. SmallVector<std::pair<MCSectionSubPair, MCSectionSubPair>, 4> SectionStack; @@ -185,6 +189,12 @@ public: return MCSectionSubPair(); } + /// GetSymbolOrder - Returns an index to represent the order + /// a symbol was emitted in. (zero if we did not emit that symbol) + unsigned GetSymbolOrder(const MCSymbol *Sym) const { + return SymbolOrdering.lookup(Sym); + } + /// ChangeSection - Update streamer for a new active section. /// /// This is called by PopSection and SwitchSection, if the current @@ -264,6 +274,12 @@ public: /// InitToTextSection - Create a text section and switch the streamer to it. virtual void InitToTextSection() = 0; + /// AssignSection - Sets the symbol's section. + /// + /// Each emitted symbol will be tracked in the ordering table, + /// so we can sort on them later. + void AssignSection(MCSymbol *Symbol, const MCSection *Section); + /// EmitLabel - Emit a label for @p Symbol into the current section. /// /// This corresponds to an assembler statement such as: @@ -620,6 +636,9 @@ public: /// these methods there. virtual void EmitTCEntry(const MCSymbol &S); + /// Flush - Causes any cached state to be written out. + virtual void Flush() {} + /// FinishImpl - Streamer specific finalization. virtual void FinishImpl() = 0; /// Finish - Finish emission of machine code. |