James Molloy's Tutorial Known Bugs: Difference between revisions
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Undo revision 18151 by 0fb1d8 (talk) - You misunderstood the purpose of libgcc
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(Even I don't link my kernel against libgcc. Libgcc should only be used for user-mode applications. Or else, you are "gnu-ing" your kernel. James Molloy shouldn't be criticized for this.) |
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The tutorial recommends using these compilation options <tt>-nostdlib -nostdinc -fno-builtin -fno-stack-protector</tt>, but this is not the recommended practice. The tutorial neglects to pass the important <tt>-ffreestanding</tt> option. See [[Bare Bones]] on how to correctly compile C kernel files and how to correctly link the kernel.
== Problem: Not using libgcc ==
{{Main|libgcc}}
The tutorial disables libc and [[libgcc]] through the <tt>-nodefaultlibs</tt> option (implied by <tt>-nostdlib</tt>) but neglects to add back libgcc during the link.
== Problem: Not setting a stack ==
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