Comment by whatevaa
17 days 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.
17 days 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