DWARF optimization and duplicate removal tool
The DWARF optimization and duplicate removal tool (DWZ) is a program that compresses DWARF debugging information.
History
The first version was announced [1] in 2012.
Functionality
DWZ compresses DWARF debugging information in ELF executables and shared libraries. It compresses by rewriting the debugging information into smaller but equivalent debugging information. The tool has two main modes of operation: singlefile mode and multifile mode.
Singlefile mode
In this mode the scope of compression is a single file. DWZ compresses by analyzing commonalities between debugging information from different compilation units.
Multifile mode
In this mode the scope of compression is between several files. Debugging information that is common between different files can be factored out into a new file, the multifile.
References
External links
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