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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 fromelfCreating regions on page boundaries
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| Home > Using Scatter-loading Description Files > Examples of specifying region and section addresses > Creating regions on page boundaries | |||
The ALIGN directive produces an ELF file that can be loaded directly to a target with each execution region starting at a page boundary.
Example 5.22 assumes a page size of 65536 and produces an ELF file with each region starting on a new page.
Example 5.22. Creating regions on page boundaries
LR1 +4 ALIGN 65536 ; load region at 65536
{
ER1 +0 ALIGN 65536 ; first region at first page boundary
{
*(+RO) ; all RO sections are placed consecutively here
}
ER2 +0 ALIGN 65536 ; second region at next available page boundary
{
*(+RW) ; all RW sections are placed consecutively here
}
ER3 +0 ALIGN 65536 ; third region at next available page boundary
{
*(+ZI) ; all ZI sections are placed consecutively here
}
... ; rest of scatter description...
}
| Copyright © 2007 ARM Limited. All rights reserved. | ARM DUI 0377A |
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