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[PATCH] relocatable kernel: Kallsyms generate relocatable symbols

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Print the addresses of non-absolute symbols relative to _text
so that ld will generate relocations.  Allowing a relocatable
kernel to relocate them.  We can't actually use the symbol names
because kallsyms includes static symbols that are not exported
from their object files.

Add the _text symbol definitions to the architectures which don't
define it otherwise linker will fail.

Signed-off-by: Eric W. Biederman <[email protected]>
Signed-off-by: Vivek Goyal <[email protected]>
Signed-off-by: Andi Kleen <[email protected]>
This commit is contained in:
Eric W. Biederman 2006-12-07 02:14:04 +01:00 • committed by Andi Kleen
commit fd593d1277
8 changed files with 24 additions and 3 deletions
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1
arch/ppc/kernel/vmlinux.lds.S
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@ -31,6 +31,7 @@ SECTIONS
.plt : { *(.plt) }
.text :
{
_text = .;
*(.text)
SCHED_TEXT
LOCK_TEXT