This is a syscall table used for compiling Minijail policy files to
BPF. The compiler is available in the minijail-tools package. The
file is generated by compiling and running a small program named
dump_constants.
When cross-compiling, we have to get the syscall table for the host
platform. To do this, dump_constants is run under QEMU user emulation
for the appropriate platform. Google takes the same approach in their
minijail packages for ChromiumOS[1].
[1]: 729bd4269a/chromeos-base/minijail/minijail-9999.ebuild (49)
This is only the easy cases -- some fetchgit uses that point to
Gitiles instances are in generated code, where the generating code
would have to know in advance if it was fetching from Gitiles or not.
I don't think this is worth it.
