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 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. > > So I need to perform 2 things: > > - Load ELF section headers into target's memory. I did by appending > additional space to mbs.mb_buf and copying header data. Is it the best > way to do? > > - Next I need to load other ELF sections such as symbols (e.g. > .shstrtab) that store section names. What is the best way to do in > multiboo.c code? Would it make sense to load all ELF sections? > > Thanks in advance. > -- Eduardo
