Comment by whatevaa
4 months ago
Are you sure that system call actually enters the kernel mode? It might be one of the special ones where kernel serves it from user space, forgot their name.
4 months ago
Are you sure that system call actually enters the kernel mode? It might be one of the special ones where kernel serves it from user space, forgot their name.
Those are only served from userspace if you call the libc wrappers. The syscall() function bypasses the wrappers.
VDSO