On 04/12/15 03:21, Carl Patenaude Poulin wrote: > Hi folks, > > On page 12 of "The Definitive Guide to the Xen Hypervisor", it is > mentioned that "Xen, like Linux, uses the MS-DOS calling convention, > rather than the UNIX convention used by FreeBSD." > > I keep digging online and I can't find any information about an > "MS-DOS calling convention".
Second google link, www.agner.org/optimize/calling_conventions.pdf except that you want to be looking for Windows 16bit as its alternative name. > We've already reverse engineered which registers are used in what > order from the Mini-OS source code, but I'm wondering if there's a > specification of this calling convention floating anywhere. The in-tree public header files are the authoritative source of information, so http://xenbits.xen.org/gitweb/?p=xen.git;a=blob;f=xen/include/public/arch-x86/xen-x86_32.h;hb=HEAD and http://xenbits.xen.org/gitweb/?p=xen.git;a=blob;f=xen/include/public/arch-x86/xen-x86_64.h;hb=HEAD respectively. ~Andrew
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