| 770 | } |
| 771 | |
| 772 | SymbolMapper::MappingResult SymbolMapper::ExecSymbolMappingAction(SymbolMappings::Target const & target, uint8_t const * match) |
| 773 | { |
| 774 | if (target.Ref.Type == SymbolMappings::ReferenceType::kNone) return MappingResult::Success; |
| 775 | |
| 776 | auto pptr = ResolveRef(target.Ref, match); |
| 777 | |
| 778 | if (!pptr) { |
| 779 | ERR("Could not map match to symbol address while resolving '%s'", target.Name.c_str()); |
| 780 | return MappingResult::Fail; |
| 781 | } |
| 782 | |
| 783 | auto ptr = *pptr; |
| 784 | auto targetPtr = target.TargetRef.Get(); |
| 785 | if (targetPtr != nullptr) { |
| 786 | *targetPtr = const_cast<uint8_t *>(ptr); |
| 787 | } |
| 788 | |
| 789 | if (!target.NextSymbol.empty()) { |
| 790 | if (!MapSymbol(mappings_.Mappings[target.NextSymbol], ptr, target.NextSymbolSeekSize)) { |
| 791 | return MappingResult::Fail; |
| 792 | } |
| 793 | } |
| 794 | |
| 795 | if (!target.EngineCallback.empty()) { |
| 796 | auto cb = engineCallbacks_.find(target.EngineCallback); |
| 797 | if (cb == engineCallbacks_.end()) { |
| 798 | ERR("Target references nonexistent engine callback: '%s'", target.EngineCallback.c_str()); |
| 799 | return MappingResult::Fail; |
| 800 | } else { |
| 801 | return cb->second(ptr); |
| 802 | } |
| 803 | } |
| 804 | |
| 805 | return MappingResult::Success; |
| 806 | } |
| 807 | |
| 808 | bool SymbolMapper::UpdatePatchReference(SymbolMappings::Patch& patch, uint8_t const* match) |
| 809 | { |