http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47602
--- Comment #12 from H.J. Lu <hjl.tools at gmail dot com> 2011-02-04 15:01:56 UTC --- (In reply to comment #10) > > what way are we helping them by forcing them to know about it? How does that > help them write inline assembler which, e.g., uses the cpuid instruction, or Use <cpuid.h> provided by gcc. > makes a kernel system call which passes a parameter in %ebx? You can use syscall () or take a look at the C library source to see how system call is inlined.
