| Developer(s) | Red Hat |
|---|---|
| Operating system | Cross-platform |
| Type | C standard library on embedded systems |
| Website | http://www.sourceware.org/newlib/ |
Newlib is a C standard library implementation intended for use on embedded systems. It is a conglomeration of several library parts, all under free software licenses that make them easily usable on embedded products. It was created by Cygnus Support as part of building the first GNU cross-development toolchains. It is now maintained by Red Hat developers Jeff Johnston and Tom Fitzsimmons, and used in most commercial and non-commercial GCC ports for non-Linux embedded systems.
The section System Calls of the newlib documentation describes how it can be used with many operating systems. Its primary use is on embedded systems that lack any kind of operating system; in that case it calls a board support package that can do things like write a byte of output on a serial port, or read a sector from a disk or other memory device.
Newlib is included in commercial GCC distributions by CodeSourcery, Code Red, and others, and receives support from major embedded-processor architecture vendors such as ARM. As of 2007[update], devkitARM, a popular toolchain for programming homebrew software for Nintendo DS, Game Boy Advance systems and the standard PlayStation Portable homebrew
Newlib is also used as the standard C library in Cygwin, as well as being one (of several) standard C libraries for AmigaOS version 4.
External links
- http://www.sourceware.org/newlib/
- http://www.embedded.com/story/OEG20011220S0058
- http://www.codesourcery.com/sgpp/features.html
- http://www.gnuarm.org/
- http://www.cm3tools.com/CodeRedWiki/CLibrary
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