diff options
Diffstat (limited to 'ELF/Relocations.h')
| -rw-r--r-- | ELF/Relocations.h | 17 |
1 files changed, 15 insertions, 2 deletions
diff --git a/ELF/Relocations.h b/ELF/Relocations.h index dcbf545cde53..445308b27cec 100644 --- a/ELF/Relocations.h +++ b/ELF/Relocations.h @@ -126,6 +126,11 @@ public: // Return true if Thunks have been added to OutputSections bool createThunks(ArrayRef<OutputSectionCommand *> OutputSections); + // The number of completed passes of createThunks this permits us + // to do one time initialization on Pass 0 and put a limit on the + // number of times it can be called to prevent infinite loops. + uint32_t Pass = 0; + private: void mergeThunks(); ThunkSection *getOSThunkSec(OutputSection *OS, @@ -137,14 +142,22 @@ private: InputSection *)> Fn); std::pair<Thunk *, bool> getThunk(SymbolBody &Body, uint32_t Type); - + ThunkSection *addThunkSection(OutputSection *OS, + std::vector<InputSection *> *, uint64_t Off); // Track Symbols that already have a Thunk llvm::DenseMap<SymbolBody *, Thunk *> ThunkedSymbols; + // Find a Thunk from the Thunks symbol definition, we can use this to find + // the Thunk from a relocation to the Thunks symbol definition. + llvm::DenseMap<SymbolBody *, Thunk *> Thunks; + // Track InputSections that have a ThunkSection placed in front llvm::DenseMap<InputSection *, ThunkSection *> ThunkedSections; - // Track the ThunksSections that need to be inserted into an OutputSection + // All the ThunkSections that we have created, organised by OutputSection + // will contain a mix of ThunkSections that have been created this pass, and + // ThunkSections that have been merged into the OutputSection on previous + // passes std::map<std::vector<InputSection *> *, std::vector<ThunkSection *>> ThunkSections; |