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--datacompressor

This option enables you to specify one of the supplied algorithms for RW data compression. If you do not specify a data compression algorithm, the linker chooses the most appropriate one for you automatically. In general, it is not necessary to override this choice.

Note

Not supported for AArch64 state.

Syntax

--datacompressor=opt

Where opt is one of the following:

on

Enables RW data compression to minimize ROM size.

off

Disables RW data compression.

list

Lists the data compressors available to the linker.

id

id is a data compression algorithm:

Table 1. Data compressor algorithms
idCompression algorithm
0run-length encoding
1run-length encoding, with LZ77 on small-repeats
2complex LZ77 compression

Specifying a compressor adds a decompressor to the code area. If the final image does not have compressed data, the decompressor is not added.

Default

The default is --datacompressor=on.

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