Regarding Program Headers in ELF file

[kk2mkk]

plz check this link below which narrates the detail Understanding ELF using readelf and objdump

www(dot)linuxforums(dot)org/articles/understanding-elf-using-readelf-and-objdump_125.html

In the above link i noticed there are two "LOAD" segments in the Program Headers, can any one plz tell me why there are two LOAD entries? and can i tweak the linker script to club both of then into one LOAD?

[drl]

Hi.

I don't know much about the details, but segment 02 is marked "Read" and "Execute", and 03 is marked "Read" and "Write". That seems like a good reason to have separate segments.

If you combined them (somehow, I don't know the mechanics), it seems you'd have to mark the combined segment RWE, which suggests a certain amount of risk. I'm quite conservative about safety, so I wouldn't do that.

Why would you want to combine them? ... cheers, drl

( The article is at Understanding ELF using readelf and objdump Linux article )

[kk2mkk]

thanks for the reply, basically its a design constraint where i should generate only one LOAD segment and i am ok to set the attributes to RWE.

[kk2mkk]

i have already went through GNU LD manuals but i dint get any clue for my problem, even i googled a lot to find any sample linker commands which speaks how to address my present scenario.