Re: [OpenBIOS] [Qemu-devel] building openbios-qemu.elf?

[Hollis Blanchard]

On Tue, 2009-02-24 at 22:27 +0200, Blue Swirl wrote:
> Would this patch fix the problem?

Doesn't look like it. After patching and make clean, I see the same
warning from strip, and basically the same output:

# tail obj-ppc/build.log
[...]
powerpc-440-linux-gnu-ld --warn-common -N -T ../arch/ppc/qemu/ldscript target/arch/ppc/qemu/start.o target/arch/ppc/timebase.o libqemu.a libbootstrap.a libdrivers.a libmodules.a liblibc.a libfs.a libgcc.a -o openbios-qemu.elf
powerpc-440-linux-gnu-nm openbios-qemu.elf | sort > ./openbios-qemu.syms
cp openbios-qemu.elf openbios-qemu.elf.nostrip
powerpc-440-linux-gnu-strip openbios-qemu.elf
BFD: stzD2J6q: warning: allocated section `.bss' not in segment
BFD: stzD2J6q: warning: allocated section `.sbss' not in segment

# readelf -l obj-ppc/openbios-qemu.elf*

File: obj-ppc/openbios-qemu.elf

Elf file type is EXEC (Executable file)
Entry point 0xfff08000
There are 3 program headers, starting at offset 52

Program Headers:
  Type           Offset   VirtAddr   PhysAddr   FileSiz MemSiz  Flg Align
  LOAD           0x000094 0xfff00000 0xfff00000 0x100000 0x100000 RWE 0x4
  LOAD           0x100094 0xfffffffc 0xfffffffc 0x00004 0x00004 R E 0x1
  GNU_STACK      0x000000 0x00000000 0x00000000 0x00000 0x00000 RWE 0x4

Section to Segment mapping:
  Segment Sections...
   00     .text.vectors .text .rodata .data .bss .sbss 
   01     .romentry 
   02

File: obj-ppc/openbios-qemu.elf.nostrip

Elf file type is EXEC (Executable file)
Entry point 0xfff08000
There are 3 program headers, starting at offset 52

Program Headers:
  Type           Offset   VirtAddr   PhysAddr   FileSiz MemSiz  Flg Align
  LOAD           0x000094 0xfff00000 0xfff00000 0x42044 0x4bcb4 RWE 0x4
  LOAD           0x0420d8 0xfffffffc 0xfffffffc 0x00004 0x00004 R E 0x1
  GNU_STACK      0x000000 0x00000000 0x00000000 0x00000 0x00000 RWE 0x4

Section to Segment mapping:
  Segment Sections...
   00     .text.vectors .text .rodata .data 
   01     .romentry 
   02

[Qemu-devel] building openbios-qemu.elf?

[Laurent Vivier]

Le 25 févr. 09 à 22:03, Hollis Blanchard a écrit :
> On Tue, 2009-02-24 at 22:27 +0200, Blue Swirl wrote:
> > Would this patch fix the problem?
>
> Doesn't look like it. After patching and make clean, I see the same
> warning from strip, and basically the same output:

I think you should try binutils 2.18...

Regards,
Laurent

[Qemu-devel] building openbios-qemu.elf?

[Jean-Christophe PLAGNIOL-VILLARD]

On 15:03 Wed 25 Feb     , Hollis Blanchard wrote:
> On Tue, 2009-02-24 at 22:27 +0200, Blue Swirl wrote:
> > Would this patch fix the problem?
>
> Doesn't look like it. After patching and make clean, I see the same
> warning from strip, and basically the same output:
>
> # tail obj-ppc/build.log
> [...]
> powerpc-440-linux-gnu-ld --warn-common -N -T ../arch/ppc/qemu/ldscript target/arch/ppc/qemu/start.o target/arch/ppc/timebase.o libqemu.a libbootstrap.a libdrivers.a libmodules.a liblibc.a libfs.a libgcc.a -o openbios-qemu.elf
> powerpc-440-linux-gnu-nm openbios-qemu.elf | sort > ./openbios-qemu.syms
> cp openbios-qemu.elf openbios-qemu.elf.nostrip
> powerpc-440-linux-gnu-strip openbios-qemu.elf
> BFD: stzD2J6q: warning: allocated section `.bss' not in segment
> BFD: stzD2J6q: warning: allocated section `.sbss' not in segment

I've already this on u-boot too
it's binutils bug sorry I do not remerber which one but if you update it it
will work. Personnaly I use now GNU ld (GNU Binutils) 2.18.90.20080910

Best Regards,
J.