Re: Build failure: Error: attempt to move .org backwards

[Andreas Born <futur.andy@googlemail.com>]

Yes, that's exactly what I tried, but apparently it doesn't work. The 
lowest working value is 0x800 here.
So gcc 4.5 seems to be worse than 4.4 and 4.6 better than both.

Andreas

Am 18.01.2012 23:53, schrieb Seth Goldberg:
> Hi,
>
>   Yes, I'm seeing that also.  I guess version 4.5.2 of the compiler 
> just isn't as efficient as the most-recent GCC.  I edited 
> include/grub/offsets.h:
>
> And changed:
> #define GRUB_KERNEL_I386_PC_NO_REED_SOLOMON_PART 0x7e0
>
> To:
> #define GRUB_KERNEL_I386_PC_NO_REED_SOLOMON_PART 0x7f0
>
>  And that was enough.  phcoder posted to this list not-too-long-ago 
> with that suggestion for another person as well.  He said you can 
> increase it as long as you don't do it too much and as long as the 
> value is divisible by 8.
>
>  --S
>
> Quoting Andreas Born, who wrote the following on Wed, 18 Jan 2012:
>
>> Hello,
>>
>> having trouble building the latest bzr 3757. This happens with gcc 
>> 4.5.2 on Salix/Slackware 13.37 x86_64 system, but doesn't happen with 
>> gcc 4.6.2 on Arch Linux x86_64.
>> I also checked recent other reports of such problems, but wasn't able 
>> to find a solution.
>>
>> Here's some output:
>> gcc -Os -Wall -W -Wshadow -Wpointer-arith -Wmissing-prototypes 
>> -Wundef -Wstrict-prototypes -g -falign-jumps=1 -falign-loops=1 
>> -falign-functions=1 -mno-mmx -mno-sse -mno-sse2 -mno-3dnow 
>> -fno-dwarf2-cfi-asm -fno-asynchronous-unwind-tables -m32 
>> -fno-stack-protector -mno-stack-arg-probe -Werror   -mrtd 
>> -mregparm=3       -fno-builtin   -m32 -Wl,--build-id=none   -nostdlib 
>> -Wl,-N,-S -Wl,-N -Wl,-Ttext,0x6000   -o lnxboot.image 
>> boot/i386/pc/lnxboot_image-lnxboot.o
>> gcc -DHAVE_CONFIG_H -I. -I..  -Wall -W -I../include -I../include 
>> -DGRUB_MACHINE_PCBIOS=1 -DGRUB_MACHINE=I386_PC 
>> -DGRUB_TARGET_CPU_I386=1 -m32 -nostdinc -isystem 
>> /usr/lib64/gcc/x86_64-slackware-linux/4.5.2/include 
>> -DGRUB_FILE=\"boot/i386/pc/startup_raw.S\" -I. -I. -I.. -I.. 
>> -I../include -I../include     -g -m32 -DASM_FILE=1     -MT 
>> boot/i386/pc/lzma_decompress_image-startup_raw.o -MD -MP -MF 
>> boot/i386/pc/.deps-core/lzma_decompress_image-startup_raw.Tpo -c -o 
>> boot/i386/pc/lzma_decompress_image-startup_raw.o `test -f 
>> 'boot/i386/pc/startup_raw.S' || echo './'`boot/i386/pc/startup_raw.S
>> reed_solomon.c: Assembler messages:
>> reed_solomon.c:651: Warning: ignoring changed section attributes for 
>> .text
>> boot/i386/pc/startup_raw.S:119: Error: attempt to move .org backwards
>> make[3]: *** [boot/i386/pc/lzma_decompress_image-startup_raw.o] Fehler 1
>> make[3]: Leaving directory 
>> `/home/shador/projects/checkouts/grub/branches/build/grub-core'
>> make[2]: *** [all] Fehler 2
>> make[2]: Leaving directory 
>> `/home/shador/projects/checkouts/grub/branches/build/grub-core'
>> make[1]: *** [all-recursive] Fehler 1
>> make[1]: Leaving directory 
>> `/home/shador/projects/checkouts/grub/branches/build'
>> make: *** [all] Fehler 2
>>
>> Regards,
>> Andreas Born
>>
>> _______________________________________________
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>> Grub-devel@gnu.org
>> https://lists.gnu.org/mailman/listinfo/grub-devel
>>
>
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