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Re: [Qemu-devel] building openbios-qemu.elf?
From: |
Blue Swirl |
Subject: |
Re: [Qemu-devel] building openbios-qemu.elf? |
Date: |
Tue, 24 Feb 2009 22:23:55 +0200 |
On 2/23/09, Hollis Blanchard <address@hidden> wrote:
> Hi, I just tried to build openbios-qemu.elf, but it is a little too big
> (1MB + 4 bytes):
>
> 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 .sdata .bss .sbss
> 01 .romentry
> 02
>
> In contrast, the openbios-ppc binary in qemu looks like this:
>
> Elf file type is EXEC (Executable file)
> Entry point 0xfff08000
> There are 2 program headers, starting at offset 52
>
> Program Headers:
> Type Offset VirtAddr PhysAddr FileSiz MemSiz Flg Align
> LOAD 0x000074 0xfff00000 0xfff00000 0x41044 0x4bc44 RWE 0x4
> LOAD 0x0410b8 0xfffffffc 0xfffffffc 0x00004 0x00004 R E 0x1
>
> Section to Segment mapping:
> Segment Sections...
> 00 .text.vectors .text .rodata .data .sdata .bss .sbss.1 .sbss.2
> .sbss.3 .sbss.4 .sbss.5 .sbss.6 .sbss.7 .sbss.8
> 01 .romentry
>
> I'm building with gcc 4.2.3. Any ideas?
The ldscript does not handle sdata and sbss.*?