Hi, On Fri, Apr 13, 2018 at 10:39:40AM -0700, Andi Kleen wrote: > > What do I miss? Or where is it that I'm misinterpreting the calculations > > that objdump did in its output? > > The calculations are right, but these are still two different address modes. > You cannot just turn one silently into the other. > > I think it would be ok to use the syntax in the assembler > > symbol(%rip) with no # ...
One thing I find useful is to show string constant if the address is in the rodata (and printable of course). Maybe something like below.. lea 0x1234(%rip),%rdi # "hello world\n" callq printf Just an idea. Thanks, Namhyung > > > About something mildly related: what do you think about this: > > http://ref.x86asm.net/, there is a xml file there[1] I'm thinking about > > using, if available on the developer's HOME or some other standard place, > > to provide help about the instructions :-) > > I don't know how well it's going to be maintained. x86 changes a lot > and I've seen a lot of disassembler libraries etc. go stale as the > owner cannot keep up. > > The only semi official maintained descriptions are the XED tables (but those > don't have descriptions) or the PDFs from Intel/AMD. > I suppose could have some hack that talks to a PDF reader and automatically > downloads/searches the PDF. > > If unofficial is ok I would rather port some functionality > from https://github.com/HJLebbink/asm-dude > which has a lot of cool stuff. > > -Andi
