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Oracle Solaris 11.1 Linkers and Libraries Guide     Oracle Solaris 11.1 Information Library
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Part I Using the Link-Editor and Runtime Linker

1.  Introduction to the Oracle Solaris Link Editors

2.  Link-Editor

3.  Runtime Linker

4.  Shared Objects

Part II Quick Reference

5.  Link-Editor Quick Reference

Part III Advanced Topics

6.  Direct Bindings

7.  Building Objects to Optimize System Performance

Analyzing Files With elfdump

Underlying System

Lazy Loading of Dynamic Dependencies

Position-Independent Code

-K pic and -K PIC Options

Removing Unused Material

Removing Unused Sections

Removing Unused Files

Removing Unused Dependencies

Maximizing Shareability

Move Read-Only Data to Text

Collapse Multiply-Defined Data

Use Automatic Variables

Allocate Buffers Dynamically

Minimizing Paging Activity


Symbol Lookup

When Relocations are Performed

Combined Relocation Sections

Copy Relocations

Using the -B symbolic Option

Profiling Shared Objects

8.  Mapfiles

9.  Interfaces and Versioning

10.  Establishing Dependencies with Dynamic String Tokens

11.  Extensibility Mechanisms

Part IV ELF Application Binary Interface

12.  Object File Format

13.  Program Loading and Dynamic Linking

14.  Thread-Local Storage

Part V Appendices

A.  Linker and Libraries Updates and New Features

B.  System V Release 4 (Version 1) Mapfiles


Lazy Loading of Dynamic Dependencies

You can defer the loading of a shared object dependency until the dependencies first reference, by establishing the object as lazy loadable. See Lazy Loading of Dynamic Dependencies.

For small applications, a typical thread of execution can reference all the applications dependencies. The application loads all of its dependencies whether the dependencies are defined lazy loadable or not. However, under lazy loading, dependency processing can be deferred from process startup and spread throughout the process's execution.

For applications with many dependencies, lazy loading often results in some dependencies not being loaded at all. Dependencies that are not referenced for a particular thread of execution, are not loaded.