● Covered by 1 source · 1 reportMedium impact1 neutral
Linux System Call Website and API Updated with Expanded Architecture Support
Key points
- Website and API now support 27 Linux architectures.
- Provides historical data on syscall appearance and removal.
- Data is sourced directly from Linux kernel source.
- API allows querying syscall details by architecture and name.
Expanded Architecture Coverage
The Linux System Call website and API have been updated to significantly expand their coverage. Previously supporting 11 architectures, the platform now includes detailed system call tables for 27 different Linux architectures. This expansion provides a broader resource for developers and researchers working with diverse hardware platforms.
Historical System Call Data
Each architecture's system call table includes a full history of when individual system calls appeared and when they were dropped. This historical data is available as plain JSON files for each architecture, such as /x64/syscalls.json. Users can also select specific kernel versions to view the state of system calls at different points in time, with removed entries clearly marked.
API Access and Data Sourcing
An API is available at api.syscall.sh/v2/syscalls/<arch>/<syscall_name>, allowing programmatic access to system call information. The data presented on the site is derived directly from the Linux kernel source code. A generator processes the syscall tables and SYSCALL_DEFINE macros of every mainline kernel release scanned, ensuring accuracy regarding the numbers the kernel dispatches on and each architecture's calling convention.
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Primary sources
GitHub axboe/liburingReporting from
A website and API providing Linux system call tables has been updated to include data for 27 architectures, up from 11. The update offers detailed historical information on system call additions and removals for each architecture, directly sourced from the Linux kernel.