# Trying to compile and run \`core\` with a custom compiler

**URL:** <https://genode.discourse.group/t/trying-to-compile-and-run-core-with-a-custom-compiler/136>\
**Category:** Developer's Corner\
**Created:** [January 8, 2025, 7:33am UTC](https://genode.discourse.group/t/trying-to-compile-and-run-core-with-a-custom-compiler/136 "2025-01-08T07:33:36Z")\
**Posts on this page:** 1\
**Showing post:** 4

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**Author:** ![chelmuth](https://dub1.discourse-cdn.com/flex006/user_avatar/genode.discourse.group/chelmuth/32/1_2.png) [@chelmuth](https://genode.discourse.group/u/chelmuth)\
**Post date:** [January 8, 2025, 1:40pm UTC](https://genode.discourse.group/t/trying-to-compile-and-run-core-with-a-custom-compiler/136/4 "2025-01-08T13:40:15Z")

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> [@ssumpf](#):
>
> The `.bss` section is part of the ELF (ld.lib.so) and should be accessible once the ELF is loaded.

While I generally agree that the ELF loader has to prepare a zero’d BSS, I disagree that ld.lib.so is of any relevance as core-linux crasshes. Please correct me if I’m mistaken.

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