This is xnu-8019. See this file in:
OPTIONS/fb				optional fb

OPTIONS/debug			optional debug

osfmk/vm/vm_apple_protect.c	 standard

#osfmk/x86_64/hi_res_clock_map.c 	optional hi_res_clock

osfmk/x86_64/pmap.c		standard
osfmk/i386/pmap_x86_common.c	standard
osfmk/i386/pmap_common.c	standard
osfmk/x86_64/pmap_pcid.c	standard

osfmk/i386/pal_routines.c	optional pal_i386
osfmk/x86_64/pal_routines_asm.s	optional pal_i386

osfmk/i386/bsd_i386.c		optional mach_bsd
osfmk/i386/bsd_i386_native.c	optional mach_bsd
osfmk/i386/machdep_call.c	optional mach_bsd

# Order is important here for __HIB section
osfmk/x86_64/boot_pt.c		standard
osfmk/i386/mp_desc.c		standard
osfmk/i386/gdt.c		standard
osfmk/x86_64/start.s		standard

osfmk/x86_64/bcopy.s		standard
osfmk/x86_64/bzero.s		standard
osfmk/x86_64/WKdmDecompress_new.s	standard
osfmk/x86_64/WKdmCompress_new.s		standard
osfmk/x86_64/WKdmData_new.s		standard
osfmk/x86_64/lz4_decode_x86_64.s	standard
osfmk/i386/cpu.c		standard
osfmk/i386/cpuid.c		standard
osfmk/i386/cpu_threads.c	standard
osfmk/i386/cpu_topology.c	standard
osfmk/i386/i386_timer.c		standard
osfmk/i386/fpu.c		standard
osfmk/i386/fp_simd.s		standard
osfmk/i386/i386_lock.s		standard
osfmk/i386/i386_init.c		standard
osfmk/i386/i386_vm_init.c	standard
osfmk/i386/io_map.c		standard
osfmk/i386/ktss.c		standard
osfmk/i386/ldt.c		standard
osfmk/x86_64/loose_ends.c	standard
osfmk/x86_64/copyio.c		standard
osfmk/i386/locks_i386.c		standard
osfmk/i386/locks_i386_opt.c	standard
osfmk/x86_64/locore.s	standard
osfmk/x86_64/lowmem_vectors.c	standard
osfmk/x86_64/cswitch.s	standard
osfmk/i386/machine_routines.c		standard
osfmk/x86_64/machine_routines_asm.s	standard
osfmk/i386/machine_check.c	optional config_mca
osfmk/i386/machine_task.c		standard
osfmk/x86_64/mcount.s		optional profile
#osfmk/x86_64/ntoh.s		standard
osfmk/i386/pcb.c		standard
osfmk/i386/pcb_native.c		standard
osfmk/i386/phys.c		standard
osfmk/i386/rtclock.c		standard
osfmk/i386/rtclock_native.c	standard
osfmk/i386/trap.c		standard
osfmk/i386/trap_native.c	standard
osfmk/i386/user_ldt.c		standard
osfmk/i386/Diagnostics.c	standard
osfmk/i386/pmCPU.c		standard
osfmk/i386/tsc.c		standard

osfmk/i386/commpage/commpage.c	standard
osfmk/i386/commpage/commpage_asm.s	standard
osfmk/i386/commpage/fifo_queues.s	standard

osfmk/i386/AT386/model_dep.c	standard

osfmk/i386/lapic.c		standard
osfmk/i386/lapic_native.c	standard
osfmk/i386/mp.c			standard
osfmk/i386/mp_native.c		standard

osfmk/i386/acpi.c		standard

osfmk/i386/mtrr.c		optional    config_mtrr

osfmk/kdp/ml/x86_64/kdp_machdep.c	optional	mach_kdp
osfmk/kdp/ml/x86_64/kdp_vm.c		optional	mach_kdp
osfmk/kdp/ml/i386/kdp_x86_common.c	optional	mach_kdp

osfmk/i386/hibernate_i386.c		optional hibernation
osfmk/i386/hibernate_restore.c		optional hibernation

osfmk/i386/ucode.c				standard

osfmk/i386/vmx/vmx_cpu.c			optional config_vmx
osfmk/i386/vmx/vmx_shims.c			optional config_vmx
osfmk/i386/x86_hypercall.c			standard

osfmk/kern/hv_support_kext.c			optional hypervisor
osfmk/kern/hv_io_notifier.c			optional hypervisor

# DUMMIES TO FORCE GENERATION OF .h FILES
#osfmk/OPTIONS/ln		optional ln
#osfmk/OPTIONS/eisa		optional eisa
#osfmk/OPTIONS/himem		optional himem
#osfmk/OPTIONS/ec		optional ec
#osfmk/OPTIONS/hi_res_clock	optional hi_res_clock

# Kernel performance monitoring
osfmk/x86_64/kpc_x86.c              optional kpc

osfmk/x86_64/monotonic_x86_64.c optional monotonic

osfmk/x86_64/idt64.s		standard

osfmk/i386/panic_hooks.c	standard
osfmk/i386/panic_notify.c	standard
osfmk/x86_64/machine_remote_time.c 		optional config_mach_bridge_send_time
osfmk/x86_64/counter.c		standard