eld Manual
Table Of Contents
- eld Manual
- Legal Notices
- Contents
- What’s New in This Manual
- Manual Information
- New and Changed Information
- About This Manual
- Notation Conventions
- 1 Introduction to eld
- 2 eld Input and Output
- 3 Binding of References
- Overview
- Presetting Loadfiles
- To Preset or Not to Preset, and Creation of the LIC
- Handling Unresolved References
- Using User Libraries
- Creating Import Libraries
- Ignoring Optional Libraries
- Merging Symbols Found in Input Linkfiles
- Accepting Multiply-Defined Symbols
- Using the -cross_dll_cleanup option
- Specifying Which Symbols to Export, and Creating the Export Digest
- Public Libraries and DLLs
- The Public Library Registry
- 4 Other eld Processing
- Adjusting Loadfiles: The -alf Option
- Additional rules about -alf
- The -set and -change Options
- eld Functionality for 64-Bit
- Checking the C++ Language Dialect
- Renaming Symbols
- Creating Linker-Defined Symbols
- Updating Or Stripping DWARF Symbol Table Information
- Modifying the Data Sections that Contain Stack Unwinding Information
- Creating the MCB
- Processing of Floating Point Versions and Data Models
- Specification of the Main Entry Point
- Specifying Runtime Search Path Information for DLLs
- Merging Source RTDUs
- 5 Summary of Linker Options
- 6 Output Listings and Error Handling
- A TNS/E Native Object Files
- Glossary
- Index

Output Listings and Error Handling
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Error Messages
Cause. You are creating a program that has a user library, and you have given eld
the filename for a copy of the user library, by specifying the -local_libname, -
libname, or -set libname option. A user library is a DLL. However, eld opened
the user library and found that it wasn’t a DLL but instead was a linkfile, i.e., an object
file produced by the compiler or by running eld with the -r option.
Effect. Fatal error (eld immediately stops without creating an output file).
Recovery. If you want to create a program that uses a user library, you must create
the user library as a DLL by running eld and specifying an option such as -dll, -
shared, or -ul. Then you can give the name of that user library to eld when you
create the program.
Cause. The -exported_symbol option (or its synonym, the -export option) tells eld
that the named symbol should be exported from the program or DLL being created.
The -hidden_symbol option (or its synonym, the -export_not option) tells eld the
opposite. You first specifed that this symbol should be exported, and then later on the
command line you said it shouldn’t be exported.
Effect. Fatal error (eld immediately stops without creating an output file).
Recovery. Decide whether you want this symbol to be exported and specify the
proper option.
Cause. The -exported_symbol option (or its synonym, the -export option) tells eld
that the named symbol should be exported from the program or DLL being created.
The -hidden_symbol option (or its synonym, the -export_not option) tells eld the
opposite. You first specifed that this symbol should not be exported, and then later on
the command line you said it should be exported.
Effect. Fatal error (eld immediately stops without creating an output file).
Recovery. Decide whether you want this symbol to be exported and specify the
proper option.
1563 File <filename>, specified as the user library, is a
linkfile.
1564 Both the -exported_symbol and -hidden_symbol options
were specified for the same symbol <symbol name>.
1565 Both the -exported_symbol and -hidden_symbol options
were specified for the same symbol <symbol name>.
1566 The -export_all and -ul options are not allowed with the
-r option.










