Linux kernel interfaces: Difference between revisions

Revision as of 02:15, 5 November 2020

Revision as of 19:19, 20 December 2020

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{{Main article|x32 ABI|Linux Standard Base}}

The term Linux ABI refers to a kernel–user space ABI. The [[Application binary interface]] refers to the compiled binaries, in [[machine code]]. Any such ABI is therefore bound to the [[instruction set]]. Defining a useful ABI and keeping it stable is less the responsibility of the Linux kernel developers or of the developers of the GNU C Library, and more the task for [[Linux distribution]]s and [[Independentindependent software vendor]]s (ISVs) who wish to sell and provide support for their proprietary software as binaries only for such a single Linux ABI, as opposed to supporting multiple Linux ABIs.

An ABI has to be defined for every instruction set, such as [[x86]], [[x86-64]], [[MIPS architecture|MIPS]], [[ARMv7-A]] (32-Bit), [[ARMv8-A]] (64-Bit), etc. with the [[endianness]], if both are supported.