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Rodrigo Campos
90f5da651a
Linux repo has under `tools/include/nolibc` very simple include files that we can use to generate very small binaries that don't depend on libc. To make things even better, since Linux 6.6 it supports all the architectures we support in runc, which is just beautiful. The runc-dmz binary on x86_64 before this patch (on my debian host) was taking 636K, with this patch it takes only 8K. Signed-off-by: Rodrigo Campos <rodrigoca@microsoft.com>
Runc-dmz
runc-dmz is a small and very simple binary used to execute the container's entrypoint.
Making it small
To make it small we use the Linux kernel's nolibc include files, so we don't use the libc.
A full cp of it is here in nolibc/, but removing the Makefile that is GPL. DO NOT FORGET to
remove the GPL code if updating the nolibc/ directory.
The current version in that folder is from Linux 6.6-rc3 tag (556fb7131e03b0283672fb40f6dc2d151752aaa7).
It also support all the architectures we support in runc.