On Jul 9, 2009, at 11:39 AM, Dale Farnsworth wrote:
On Wed, Jul 08, 2009 at 05:41:39PM -0500, Kumar Gala wrote:
We are seeing an issue w/ld and kernel linking of 32-bit kernels.
The ld from fedora 11 (2.19.51.0.2-17.fc11 20090204) ends not
providing
the proper address for _end.
Building stock v2.6.30 w/the mpc85xx_defconfig we get:
00001000 A _end
Using 2.18.50.20080215 we get:
c0680000 A _end
If we modify the linker script:
_end2 = .;
_end3 = ALIGN(4096);
_end4 = ALIGN(PAGE_SIZE);
. = ALIGN(PAGE_SIZE);
_end = . ;
PROVIDE32 (end = .);
and the result is:
00001000 A _end
c067f678 A _end2
c0680000 A _end3
c0680000 A _end4
I used an old version of linker (2.18.50.20080215) and re-linked:
c067f678 A _end2
c0680000 A _end
c0680000 A _end3
c0680000 A _end4
Any ideas?
We have found the following workaround to be useful.
Thanks to Andrew Jenner at Code Sourcery.
-Dale
Dale Farnsworth
MontaVista Software
diff --git a/arch/powerpc/kernel/vmlinux.lds.S b/arch/powerpc/kernel/
vmlinux.lds.S
index acf237f..34b0181 100644
--- a/arch/powerpc/kernel/vmlinux.lds.S
+++ b/arch/powerpc/kernel/vmlinux.lds.S
@@ -282,4 +282,7 @@ SECTIONS
. = ALIGN(PAGE_SIZE);
_end = . ;
PROVIDE32 (end = .);
+
+#undef PPC
+ .PPC.EMB.apuinfo 0 : { *(.PPC.EMB.apuinfo) }
}
Is there any plans to fix binutils or is this viewed as not a binutils
regression?
- k
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