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CVS log for src/sys/arch/i386/include/multiboot.h

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Default branch: MAIN
Current tag: netbsd-4

Revision 1.4 / (download) - annotate - [select for diffs], Wed Oct 25 13:56:16 2006 UTC (16 years, 11 months ago) by jmmv
Branch: MAIN
CVS Tags: yamt-splraiseipl-base5, yamt-splraiseipl-base4, yamt-splraiseipl-base3, wrstuden-fixsa-newbase, wrstuden-fixsa-base-1, wrstuden-fixsa-base, wrstuden-fixsa, post-newlock2-merge, newlock2-nbase, newlock2-base, netbsd-4-base, netbsd-4-0-RELEASE, netbsd-4-0-RC5, netbsd-4-0-RC4, netbsd-4-0-RC3, netbsd-4-0-RC2, netbsd-4-0-RC1, netbsd-4-0-1-RELEASE, netbsd-4-0, netbsd-4, matt-nb4-arm-base, matt-nb4-arm
Branch point for: yamt-idlelwp
Changes since 1.3: +2 -12 lines
Diff to previous 1.3 (colored)

Remove the usage of Multiboot's "a.out kludge" to tell the boot loader to
reserve some more space for the BSS section than the binary says.  This
trick was used to leave room after the kernel's image to copy the symbol
table following the format required by ksyms_init.  (It was also used to
workaround a bug in the physical address fields of the binary, but this has
been long fixed.)  Yes, the MULTIBOOT_SYMTAB_SPACE option goes away; yay!

Instead, copy the required data after the kernel in a way that avoids having
to reserve space and use the new ksyms_init_explicit function to avoid the
need to construct a minimal ELF image.

Fixes ksyms when using an "unpatched" GRUB (one that does not contain the
fix to honour the "a.out kludge" for ELF images, even when present) -- i.e.
ddb and lkms.  As a side effect, the new code is much clearer to read and

Closes PR port-i386/32865.

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