 RealView Linker and Utilities Guide | |
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RealView Linker and Utilities Guide
Preface Introduction The Linker Command Syntax Using the Basic Linker Functionality Specifying the image structure
Building blocks for objects and images Load view and execution view of an image Specifying an image memory map Image entry points Section placement Ordering input sections by attribute Using FIRST and LAST to place sections Aligning sections Ordering execution regions containing Thumb code Optimizations and modifications Common debug section elimination Common group or section elimination Unused section elimination Unused function elimination Linker feedback RW data compression PI to absolute veneers Veneer generation Reuse of veneers with overlay execution regions Branch inlining Using command-line options to create simple images 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 command-line options to handle C++ exception Getting information about images Using image-related information Accessing Image Symbols Using Scatter-loading Description Files Using the ARM Librarian Using fromelfCommon debug section elimination
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| Home > Using the Basic Linker Functionality > Optimizations and modifications > Common debug section elimination | |||
In DWARF 2, the compiler and assembler generate one set of debug sections for each source file that contributes to a compilation unit. armlink can detect multiple copies of a debug section for a particular source file and discard all but one copy in the final image. This can result in a considerable reduction in image debug size.
In DWARF 3, common debug sections are placed in common groups. armlink discards all but one copy of each group with the same signature.
| Copyright © 2007 ARM Limited. All rights reserved. | ARM DUI 0377A |
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