ELF format program headers

[Vaughan Hillman <hillman_97@yahoo.com>]

My current setup is using binutils-2.9.1 and gcc-2.8.1
cross compiling for powerpc-eabi from a sunos4.1.4
machine.

When using ld to link my files I am noticing that
my first segment (defined in the program header)
has a file offset of 0. This can be seen by running

objdump --private-headers image.x

image.x:     file format elf32-powerpc

Program Header:
    LOAD off    0x00000000 vaddr 0x00000000 paddr 0x00000000 align 2**16
         filesz 0x0000a258 memsz 0x0000a258 flags rwx
    LOAD off    0x00010000 vaddr 0x00400000 paddr 0x0000a258 align 2**16
         filesz 0x00000d34 memsz 0x00000d34 flags rw-
    LOAD off    0x00010d38 vaddr 0x00400d38 paddr 0x00400d38 align 2**16
         filesz 0x00000000 memsz 0x00000884 flags rw-
    LOAD off    0x00020100 vaddr 0xfff00100 paddr 0xfff00100 align 2**16
         filesz 0x00001300 memsz 0x00001300 flags r-x

Dynamic Section:


This is confusing a bdm debugging device that I am
using.  It is expecting the first section to start
after the program and elf headers. In looking into the ELF backend BDF
code I noticed flags that seem to allow you to put the program header
and elf header into the first segment.  In reading the ELF ABI it
doesn't say
that you can do that.  At least that I can find. :)
Is this really doing what I think its doing and if
so why is it done?

So far I been able to defeat this by running the linker
by passing it the -N or -n flags.

Thanks,
	Vaughan

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