Make (rt_)sigprocmask use Arch::sigset_t.
Make _llseek syscall use Arch::__kernel_loff_t
Switch _newselect to use Arch::fd_set.
Switch to Arch::sched_param.
Switch getgroups32 to Arch::gid_t.
Switch getresuid32 to Arch::uid_t
Use Arch::gid_t for getresgid32.
Use Arch::cpu_set_t
Improve sched_setaffinity test.
Make fstat use Arch::stat64.
Use Arch::itimerspec.
All syscalls are converted to Arch types, so update documention in syscalls.py to indicate that Arch types should always be used.
fix __syscall_slong_t errors in CI builds
Add support for signalfd syscalls.
Implement support for readv syscall.
Add test for writev.
Implement support for preadv/pwritev.
Notify the debugger of a single-step break when we finish emulating an RDTSC during single-step.
Increase supported VDSO maximum size to 64K.

On 3.16.3-200.fc20.x86_64 the VSDO size for 64-bit processes is 8K.
Rename monkeypatch_vdso to monkey_patch_vdso_after_preload_init.