El 25/2/16 a les 16:16, Boris Ostrovsky ha escrit:
> PV guests need to have their .bss zeroed out since it is not guaranteed
> to be cleared by Xen's domain builder

I guess I'm missing something, but elf_load_image (in libelf-loader.c)
seems to be able to clear segments (it will zero the memory between
p_paddr + p_filesz and p_paddr + p_memsz) while loading the ELF into
memory, so if the program headers are correctly setup the .bss should be
zeroed out AFAICT.

Roger.



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