RE: old OCTEON bootloaders and .MIPS.abiflags

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Aaro Koskinen <aaro.koskinen@xxxxxx> writes:
> Current binutils adds .MIPS.abiflags section to the kernel vmlinux.
> 
> This seems break the boot on some old (buggy) OCTEON bootloaders:
> 
> 	ELF file is 64 bit
> 	Attempting to allocate memory for ELF segment: addr: 0xffffffff816e67f0 (adjusted to:
> 0x00000000016e67f0), size 0x18
> 	Allocated memory for ELF segment: addr: 0xffffffff816e67f0, size 0x18
> 	Attempting to allocate memory for ELF segment: addr: 0xffffffff81100000 (adjusted to:
> 0x0000000001100000), size 0x1b86360
> 	Error allocating memory for elf image!
> 	## ERROR loading File!
> 
> The workaround is to remove the .MIPS.abiflags with "strip" - I guess that
> is safe for the kernel... Not sure if there is nothing much else to be
> done, and already a similar hack needs to be done for the .notes section.
> 
> I just wanted to post this in case some else faces the same issue.

It seems reasonably sensible to /DISCARD/ the .MIPS.abiflags section in the kernel link
scripts as I don't think the kernel needs that information for any purpose. I assume
.reginfo is discarded as well at some point.

Matthew





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