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Editorial Team
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Asked: 2026-05-30T22:56:51+00:00

In the linker mapping file (.mp1) there is a column titled Type with R

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In the linker mapping file (.mp1) there is a column titled “Type” with R,W,X, and I as possible attributes, for example

RW--
R-XI
R---
R--I

Neither the manual, nor any other user guide mentions what these attributes mean. Checking my own code it is obvious that R means read, W means write, and X means code (executable), so for example, a variable is RW-?, a constant R--?, and a function R-X? Here I noted with ? the presence or absence of I, for which I could not find any meaning.

Does anyone know what I in the RWXI means?

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1 Answer

  1. Editorial Team

    Section 7.2.2 of this manual:

    I/- Initial value Yes/No
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