On Wed, 16 Nov 2016 17:37:00 +0000 [email protected] wrote: > This is a very simple definition of the syscall ABI we can build on. The idea > is to have a generic description of syscalls, their arguments and return > values we can use to audit the kernel's implementation vs the specs. > > Signed-off-by: Sasha Levin <[email protected]> > --- > include/uapi/linux/abi_spec.h | 58 > +++++++++++++++++++++++++++++++++++++++++++ > 1 file changed, 58 insertions(+) > create mode 100644 include/uapi/linux/abi_spec.h > > diff --git a/include/uapi/linux/abi_spec.h b/include/uapi/linux/abi_spec.h > new file mode 100644 > index 0000000..ad1a992 > --- /dev/null > +++ b/include/uapi/linux/abi_spec.h > @@ -0,0 +1,58 @@ > +#ifndef ABI_SPEC_H_ > +#define ABI_SPEC_H_ > + > +#include <linux/fcntl.h> > +#include <linux/stat.h> > +#define MAX_CONSTRAINTS 10 > +#define MAX_ARGS 10 > +
I'm curious to where you picked the number 10 from? Actually, I was doing some work with the syscall_get_arguments() and the max syscall arguments is currently set to 6. Anything greater causes a bug. -- Steve
