Re: [avr-gcc-list] avr-objcopy not copying custom section...

[Boyapati, Anitha]

>>
>> Yes. That is where the confusion stemmed from.
>
>Hi Anitha,
>
>Last time, I didn't look exhaustively for flags in the ELF format. With
>the aid of "readelf -e test.elf", we can see that there are more section
>flags in the section header:

...

>Key to Flags:
>  W (write), A (alloc), X (execute), M (merge), S (strings)
>  I (info), L (link order), G (group), x (unknown)
>  O (extra OS processing required) o (OS specific), p (processor specific)
>
>I overlooked that before. In the sh_flags member of the Shdr struct, the
>ELF format does have separate explicit alloc and execute flags.

I did not :-)

Initially I referred to the age old System V ABI spec for reference which still 
had R, W and X flags. However the ELF dump showed more (as you have mentioned 
below). 

>
>> 'objdump' program works on BFD structures. The set of BFD section
>> flags for a super set to ELF section flags. So, the dump of section
>> headers shows BFD flags but not ELF flags.
>


What made me mention the BFD flags is w.r.t 'CONTENTS' and 'LOAD'. These do not 
appear in ELF spec as section attributes. So I think objdump is just dumping 
ELF+ extra BFD attributes.

 
Anitha