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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 fromelfImages with a complex memory map
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| Home > Using Scatter-loading Description Files > About scatter-loading > Images with a complex memory map | |||
The scatter-loading description in Figure 5.3 loads the segments from the program1.o and program2.o files into memory corresponding to the map shown in Figure 5.4.
Unlike the simple memory map shown in Figure 5.2, this application cannot be specified to the linker using only the basic command-line options.
Caution
The scatter-loading description in Figure 5.3 specifies the location for code and data for program1.o and program2.o only. If you link an additional module, for example, program3.o, and use this description file, the location of the code and data for program3.o is not specified.
Unless you want to be very rigorous in the placement of code and data, it is advisable to use the * or .ANY specifier to place leftover code and data. See Placing regions at fixed addresses for more information.
| Copyright © 2007 ARM Limited. All rights reserved. | ARM DUI 0377A |
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