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RealView Linker and Utilities Guide
Preface Introduction The Linker Command Syntax Using the Basic Linker Functionality Accessing Image Symbols Using Scatter-loading Description Files About scatter-loading
Symbols defined for scatter-loading Specifying stack and heap using the scatter-loadin When to use scatter-loading Scatter-loading command-line option Images with a simple memory map Images with a complex memory map Formal syntax of the scatter-loading description f BNF notation and syntax Overview of the syntax of scatter-loading descript Load region description Execution region description Input section description Resolving multiple matches Resolving path names Expression evaluation in scatter-loading files Examples of specifying region and section addresse Selecting veneer input sections in scatter-loading Creating root execution regions Placing regions at fixed addresses Using overlays to place sections Assigning sections to a root region Reserving an empty region Placing ARM libraries Creating regions on page boundaries Using preprocessing directives Equivalent scatter-loading descriptions for simple Type 1, one load region and contiguous execution r Type 2, one load region and non contiguous executi Type 3, two load regions and non contiguous execut Using the ARM Librarian Using fromelfFormal syntax of the scatter-loading description file
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| Home > Using Scatter-loading Description Files > Formal syntax of the scatter-loading description file | |||
A scatter-loading description file is a text file that describes the memory map of the target embedded product to the linker. The file extension for the description file is not significant if you are using the linker from the command line. The description file enables you to specify the:
load address and maximum size of each load region
attributes of each load region
execution regions derived from each load region
execution address and maximum size of each execution region
input sections for each execution region.
The description file format reflects the hierarchy of load regions, execution regions, and input sections.
Note
How input sections are assigned to regions is completely independent of the order in which selection patterns are written in the scatter-loading description file. The best match between selection patterns and either file/section names or section attributes wins. See Resolving multiple matches.
| Copyright © 2007 ARM Limited. All rights reserved. | ARM DUI 0377A |
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