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Jan 31, 2010 · ELF is a file format for the use of a loader and dynamic linker. ELF is a container format for binary code and data, and as such specifies the ABI of a piece of code. I would not consider ELF to be an ABI in the strict sense, as PE executables are not an ABI. All ABIs are instruction set specific.
When the compiler generates code to call a function it needs to know how the function's name is represented, so the linker can find it and the right function can be called. Usually a C function such as void frob() is simply called frob in the assembly code, but some ABIs (or other languages) might use something
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Jul 20, 2024 · Consider the following Python code: import math result = math.sqrt(16.0) This code imports the math module and calls the sqrt() function to calculate the square root of 16.0. The math module is implemented as a C extension module, which is linked dynamically to the Python interpreter. The ABI specifies how the Python interpreter communicates ...
Nov 13, 2024 · ABI Tag# The ABI tag indicates which Python ABI is required by any included extension modules. For implementation-specific ABIs, the implementation is abbreviated in the same way as the Python Tag, e.g. cp33d would be the CPython 3.3 ABI with debugging. The CPython stable ABI is abi3 as in the shared library suffix.
Tags¶. Wheels encode the Python interpreter, ABI, and platform that they support in their filenames using platform compatibility tags.This module provides support for both parsing these tags as well as discovering what tags the running Python interpreter supports.
An ABI defines how data structures or computational routines are accessed in machine code, which is a low-level, hardware-dependent format. In contrast, an application programming interface (API) defines this access in source code , which is a relatively high-level, hardware-independent, often human-readable format.
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The ABI also applies to third-party libraries and packages. This means that if you write a library using Python 3.5, your code should still run on Python 4.0 without any issues (assuming it follows the ABI). And if someone else writes a library for Python 3.6, they can be confident that their code will work with future versions of Python as well.