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Linker User Guide

Preface Overview of the Linker Linking Models Supported by armlink Image Structure and Generation Linker Optimization Features Getting Image Details Accessing and Managing Symbols with armlink Scatter-loading Features Scatter File Syntax BNF notation used in scatter-loading description s Syntax of a scatter file Load region descriptions Components of a load region description Syntax of a load region description Load region attributes Inheritance rules for load region address attribut Inheritance rules for the RELOC address attribute Considerations when using a relative address +offs Execution region descriptions Components of an execution region description Syntax of an execution region description Execution region attributes Inheritance rules for execution region address att Considerations when using a relative address +offs Input section descriptions Components of an input section description Syntax of an input section description Examples of module and input section specification Expression evaluation in scatter files Expression usage in scatter files Expression rules in scatter files Execution address built-in functions for use in sc ScatterAssert function and load address related fu Symbol related function in a scatter file AlignExpr(expr, align) function GetPageSize() function SizeOfHeaders() function Example of aligning a base address in execution sp Scatter files containing relative base address loa Linker Command-line Options Linker Steering File Command Reference Via File Syntax

GetPageSize() function

8.6.7 GetPageSize() function

Returns the page size when an image is demand paged, and is useful when used with the AlignExpr function.

When you link with the --paged command-line option, returns the value of the internal page size that armlink uses in its alignment calculations. Otherwise, it returns zero.
By default the internal page size is set to 8000, but you can change it with the --pagesize command-line option.

Example

This example aligns the base address of ER to a Page Boundary:
ER AlignExpr(+0, GetPageSize())
{
    …
}
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