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Solaris 64-bit Developer's Guide
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Document Information


1.  64-bit Computing

2.  When to Use 64-bit

3.  Comparing 32-bit Interfaces and 64-bit Interfaces

4.  Converting Applications

5.  The Development Environment

6.  Advanced Topics

SPARC V9 ABI Features

Stack Bias

Address Space Layout of the SPARC V9 ABI

Placement of Text and Data of the SPARC V9 ABI

Code Models of the SPARC V9 ABI

AMD64 ABI Features

Address Space Layout for amd64 Applications

Alignment Issues

Interprocess Communication

ELF and System Generation Tools

/proc Interface

Extensions to sysinfo(2)

libkvm and /dev/ksyms

libkstat Kernel Statistics

Changes to stdio

Performance Issues

64-bit Application Advantages

64-bit Application Disadvantages

System Call Issues

What Does EOVERFLOW Mean?

Beware ioctl()

A.  Changes in Derived Types

B.  Frequently Asked Questions (FAQs)


Extensions to sysinfo(2)

New sysinfo(2) subcodes in the Solaris S10 operating environment enable applications to ascertain more information about the available instruction set architectures.


For example, the name of the 64-bit ABI available on the system (if any), is available using the SI_ARCHITECTURE_64 subcode. See sysinfo(2) for details.