Re: [Qemu-devel] How to make ELF headers/symbol sections available for multiboot?

[Alexander Graf]

Hi Anatol,

> Am 30.07.2017 um 23:42 schrieb Eduardo Habkost <address@hidden>:
> 
> 
> CCing Alex, the original author of load_multiboot(), and Kevin,
> who touched multiboot code recently.
> 
> 
>> On Fri, Jul 28, 2017 at 02:28:34PM -0700, Anatol Pomozov wrote:
>> Hi
>> 
>> I am looking at x86 multiboot code and trying to add "ELF section
>> header" info feature. This will let target to

Do you have a pointer to what that feature does exactly?

>> learn more about booted
>> binary and its sections.
> 
> Are there existing OSes that use that information?
> 
> 
>> 
>> I have a draft here
>> https://github.com/anatol/qemu/commit/ad943a6eb78feee048b6bb2a1e5f49f5b686e24c
>> 
>> My understanding is that qemu multiboot loads only TEXT/BSS/DATA
>> sections. Other stuff like symbols sections and ELF headers are not
>> available for target.

Thes are not available inside the target, but they are available from the host 
(for example in -d in_asm).


Alex