This tool generates the Linux x86 and x64 syscall tables in Markdown format.
See the generated tables here:
To use it, you need to have a local copy of the Linux source tree. Then run:
./gen.sh <path-to-linux-source-tree> 32 # x86 syscall table
./gen.sh <path-to-linux-source-tree> 64 # x64 syscall table