Embedded Application Binary Interface


Embedded Application Binary Interface

An embedded-application binary interface (EABI) specifies standard conventions for file formats, data types, register usage, stack frame organization, and function parameter passing of an embedded software program.

Compilers that support the EABI create object code that is compatible thus allowing developers to link libraries generated with one compiler with object code generated with a different compiler. Developers writing their own assembly language code may also use the EABI to interface with assembly generated by a compliant compiler.

The main differences of an EABI with respect an ABI for general purpose operating systems are that privileged instructions are allowed in application code, dynamic linking is not required (sometimes it is completely disallowed), and a more compact stack frame organization to save memory. [cite book
title = PowerPC Embedded Application Binary Interface — 32-Bit Implementation
date = 1995-10-01
edition = Version 1.0
chapter = EABI Summary
pages = 28–30
publisher = Motorola
url = http://ftp.twaren.net/Unix/Sourceware/binutils/ppc-docs/ppc-eabi-1995-01.pdf
]

Widely used EABIs include PowerPC [ [http://www.ibm.com/chips/techlib/techlib.nsf/techdocs/852569B20050FF77852569970071B0D6/$file/eabi_app.pdf "PowerPC Embedded Processors Application Node"] ] and ARM. [cite web
title = Debian ARM accelerates via EABI port
date = 2007-01-19
publisher = Linuxdevices.com
url = http://linuxdevices.com/news/NS9048137234.html
accessdate = 2007-10-11
] [cite web
author = Andrés Calderón and Nelson Castillo
title = Why ARM's EABI matters
date = 2007-03-14
publisher = Linuxdevices.com
url = http://linuxdevices.com/articles/AT5920399313.html
accessdate = 2007-10-11
]

ee also

* Application Binary Interface

References

External links

* [http://wiki.debian.org/ArmEabiPort Debian ARM EABI port]
* [http://www.uclibc.org/cgi-bin/viewcvs.cgi/trunk/docs/psABI-m8-16.pdf?rev=10808 Motorola 8 and 16 bit Embedded ABI]


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