EABI
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 with code generated by other such compilers, 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 to 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 is used to save memory.
Widely used EABIs include PowerPC, ARM EABI2 and MIPS MIPS EABI.
The choice of EABI can affect performance.
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