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--strip=option[,option,…]

Helps to protect your code in images and objects that are delivered to third parties. You can also use it to help reduce the size of the output image.

Syntax

--strip=option[,option,…]

Where option is one of:

all

For object modules, this option removes all debug, comments, notes and symbols from the ELF file. For executables, this option works the same as --no_linkview.

debug

Removes all debug sections from the ELF file.

comment

Removes the .comment section from the ELF file.

filesymbols

The STT_FILE symbols are removed from the ELF file.

localsymbols

The effect of this option is different for images and object files.

For images, this option removes all local symbols, including mapping symbols, from the output symbol table.

For object files, this option:

  • Keeps mapping symbols and build attributes in the symbol table.

  • Removes those local symbols that can be removed without loss of functionality.

    Symbols that cannot be removed, such as the targets for relocations, are kept. For these symbols, the names are removed. These are marked as [Anonymous Symbol] in the fromelf --text output.

notes

Removes the .notes section from the ELF file.

pathnames

Removes the path information from all symbols with type STT_FILE. For example, an STT_FILE symbol with the name C:\work\myobject.o is renamed to myobject.o.

Note

This option does not strip path names that are in the debug information.
symbols

The effect of this option is different for images and object files.

For images, this option removes the complete symbol table, and all static symbols. If any of these static symbols are used as a static relocation target, then these relocations are also removed. In all cases, STT_FILE symbols are removed.

For object files, this option:

  • Keeps mapping symbols and build attributes in the symbol table.

  • Removes those local symbols that can be removed without loss of functionality.

    Symbols that cannot be removed, such as the targets for relocations, are kept. For these symbols, the names are removed. These are marked as [Anonymous Symbol] in the fromelf --text output.

Note

Stripping the symbols, path names, or file symbols might make the file harder to debug.

Restrictions

You must use --elf and --output with this option.

Example

To produce an output.axf file without debug from the ELF file infile.axf originally produced with debug, enter:

fromelf --strip=debug,symbols --elf --output=outfile.axf infile.axf

Related reference

Related information

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