Hybris (software)

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Hybris
Original author(s) Carsten Munk
Developer(s) Mer, Jolla, Open webOS community, Canonical Ltd.
Initial release 5 August 2012; 12 years ago (2012-08-05)[1]
Development status Active
Written in C, C++
Operating system Linux
Type Compatibility layer
License Apache License 2[2]
Website github.com/libhybris
The GNU C Library (glibc) and libbionic act as a wrapper around the Linux system calls. Libhybris replaces Libbionic and works on top of the glibc, i.e. it hooks into glibc instead of hooking into the Linux kernel system calls acting as a compatibility layers.
The Android operating system replaces the GNU C Library with libbionic. Both libraries are wrappers around the system calls of the Linux kernel, but while the GNU C Library has aimed to become and stay POSIX-compliant, libbionc does not. Programs written for libbionic can only run on GNU C Library with the help of another wrapper called libhybris.
While a programmer targets and uses an API, a compiled program can only use the resulting ABI. . After compilation, the binaries offer an ABI.

Hybris or libhybris is a compatibility layer for computers running Linux distributions based on the GNU C library, intended for using software written for Bionic-based Linux systems, which mainly includes Android libraries and device drivers.[3]

History

Hybris was initially written by Carsten Munk, a Mer developer, who released it on GitHub on 5 August 2012[1] and publicly announced the project later that month.[3][4] Munk has since been hired by Jolla as their Chief Research Engineer.[5]

Hybris has also been picked up by the Open webOS community for WebOS Ports,[6][7] by Canonical for Ubuntu Touch[5][8] and by the AsteroidOS[9] project.

In April 2013, Munk announced that Hybris has been extended to allow Wayland compositors to use graphic device drivers written for Android.[5][10][11] Weston supports libhybris since version 1.3, which was released on 11 October 2013.[12]

Features

Hybris loads "Android libraries, and overrides some symbols from bionic with glibc"[3] calls, making it possible to use Bionic-based software, such as binary-only Android drivers, on glibc-based Linux distributions.

Hybris can also translate Android’s EGL calls into Wayland EGL calls, allowing Android graphic drivers to be used on Wayland-based systems. This feature was initially developed by Collabora's Pekka Paalanen for his Android port of Wayland.[5][13][14][15]

See also

References

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External links

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  13. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  14. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  15. ↑ Lua error in package.lua at line 80: module 'strict' not found.
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