diff --git a/libc/kernel/uapi/asm-arm64/asm/hwcap.h b/libc/kernel/uapi/asm-arm64/asm/hwcap.h
index ccea53d..5e2b495 100644
--- a/libc/kernel/uapi/asm-arm64/asm/hwcap.h
+++ b/libc/kernel/uapi/asm-arm64/asm/hwcap.h
@@ -28,4 +28,6 @@
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define HWCAP_SHA2 (1 << 6)
 #define HWCAP_CRC32 (1 << 7)
+#define HWCAP_ATOMICS (1 << 8)
 #endif
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
diff --git a/libc/kernel/uapi/asm-arm64/asm/kvm.h b/libc/kernel/uapi/asm-arm64/asm/kvm.h
index 855e084..39b961a 100644
--- a/libc/kernel/uapi/asm-arm64/asm/kvm.h
+++ b/libc/kernel/uapi/asm-arm64/asm/kvm.h
@@ -29,7 +29,7 @@
 #define KVM_NR_SPSR 5
 #ifndef __ASSEMBLY__
 #include <linux/psci.h>
-#include <asm/types.h>
+#include <linux/types.h>
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #include <asm/ptrace.h>
 #define __KVM_HAVE_GUEST_DEBUG
@@ -52,86 +52,106 @@
 #define KVM_ARM_TARGET_XGENE_POTENZA 3
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define KVM_ARM_TARGET_CORTEX_A53 4
-#define KVM_ARM_NUM_TARGETS 5
+#define KVM_ARM_TARGET_GENERIC_V8 5
+#define KVM_ARM_NUM_TARGETS 6
 #define KVM_ARM_DEVICE_TYPE_SHIFT 0
-#define KVM_ARM_DEVICE_TYPE_MASK (0xffff << KVM_ARM_DEVICE_TYPE_SHIFT)
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define KVM_ARM_DEVICE_TYPE_MASK (0xffff << KVM_ARM_DEVICE_TYPE_SHIFT)
 #define KVM_ARM_DEVICE_ID_SHIFT 16
 #define KVM_ARM_DEVICE_ID_MASK (0xffff << KVM_ARM_DEVICE_ID_SHIFT)
 #define KVM_ARM_DEVICE_VGIC_V2 0
-#define KVM_VGIC_V2_ADDR_TYPE_DIST 0
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define KVM_VGIC_V2_ADDR_TYPE_DIST 0
 #define KVM_VGIC_V2_ADDR_TYPE_CPU 1
 #define KVM_VGIC_V2_DIST_SIZE 0x1000
 #define KVM_VGIC_V2_CPU_SIZE 0x2000
-#define KVM_ARM_VCPU_POWER_OFF 0
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define KVM_VGIC_V3_ADDR_TYPE_DIST 2
+#define KVM_VGIC_V3_ADDR_TYPE_REDIST 3
+#define KVM_VGIC_V3_DIST_SIZE SZ_64K
+#define KVM_VGIC_V3_REDIST_SIZE (2 * SZ_64K)
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define KVM_ARM_VCPU_POWER_OFF 0
 #define KVM_ARM_VCPU_EL1_32BIT 1
 #define KVM_ARM_VCPU_PSCI_0_2 2
 struct kvm_vcpu_init {
-  __u32 target;
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+  __u32 target;
   __u32 features[7];
 };
 struct kvm_sregs {
-};
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+};
 struct kvm_fpu {
 };
-struct kvm_guest_debug_arch {
-};
+#define KVM_ARM_MAX_DBG_REGS 16
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
-struct kvm_debug_exit_arch {
+struct kvm_guest_debug_arch {
+  __u64 dbg_bcr[KVM_ARM_MAX_DBG_REGS];
+  __u64 dbg_bvr[KVM_ARM_MAX_DBG_REGS];
+  __u64 dbg_wcr[KVM_ARM_MAX_DBG_REGS];
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+  __u64 dbg_wvr[KVM_ARM_MAX_DBG_REGS];
 };
+struct kvm_debug_exit_arch {
+  __u32 hsr;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+  __u64 far;
+};
+#define KVM_GUESTDBG_USE_SW_BP (1 << 16)
+#define KVM_GUESTDBG_USE_HW (1 << 17)
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 struct kvm_sync_regs {
 };
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 struct kvm_arch_memory_slot {
 };
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define KVM_REG_ARM_COPROC_MASK 0x000000000FFF0000
 #define KVM_REG_ARM_COPROC_SHIFT 16
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define KVM_REG_ARM_CORE (0x0010 << KVM_REG_ARM_COPROC_SHIFT)
 #define KVM_REG_ARM_CORE_REG(name) (offsetof(struct kvm_regs, name) / sizeof(__u32))
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define KVM_REG_ARM_DEMUX (0x0011 << KVM_REG_ARM_COPROC_SHIFT)
 #define KVM_REG_ARM_DEMUX_ID_MASK 0x000000000000FF00
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define KVM_REG_ARM_DEMUX_ID_SHIFT 8
 #define KVM_REG_ARM_DEMUX_ID_CCSIDR (0x00 << KVM_REG_ARM_DEMUX_ID_SHIFT)
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define KVM_REG_ARM_DEMUX_VAL_MASK 0x00000000000000FF
 #define KVM_REG_ARM_DEMUX_VAL_SHIFT 0
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define KVM_REG_ARM64_SYSREG (0x0013 << KVM_REG_ARM_COPROC_SHIFT)
 #define KVM_REG_ARM64_SYSREG_OP0_MASK 0x000000000000c000
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define KVM_REG_ARM64_SYSREG_OP0_SHIFT 14
 #define KVM_REG_ARM64_SYSREG_OP1_MASK 0x0000000000003800
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define KVM_REG_ARM64_SYSREG_OP1_SHIFT 11
 #define KVM_REG_ARM64_SYSREG_CRN_MASK 0x0000000000000780
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define KVM_REG_ARM64_SYSREG_CRN_SHIFT 7
 #define KVM_REG_ARM64_SYSREG_CRM_MASK 0x0000000000000078
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define KVM_REG_ARM64_SYSREG_CRM_SHIFT 3
 #define KVM_REG_ARM64_SYSREG_OP2_MASK 0x0000000000000007
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define KVM_REG_ARM64_SYSREG_OP2_SHIFT 0
 #define ARM64_SYS_REG_SHIFT_MASK(x,n) (((x) << KVM_REG_ARM64_SYSREG_ ##n ##_SHIFT) & KVM_REG_ARM64_SYSREG_ ##n ##_MASK)
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define __ARM64_SYS_REG(op0,op1,crn,crm,op2) (KVM_REG_ARM64 | KVM_REG_ARM64_SYSREG | ARM64_SYS_REG_SHIFT_MASK(op0, OP0) | ARM64_SYS_REG_SHIFT_MASK(op1, OP1) | ARM64_SYS_REG_SHIFT_MASK(crn, CRN) | ARM64_SYS_REG_SHIFT_MASK(crm, CRM) | ARM64_SYS_REG_SHIFT_MASK(op2, OP2))
 #define ARM64_SYS_REG(...) (__ARM64_SYS_REG(__VA_ARGS__) | KVM_REG_SIZE_U64)
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define KVM_REG_ARM_TIMER_CTL ARM64_SYS_REG(3, 3, 14, 3, 1)
 #define KVM_REG_ARM_TIMER_CNT ARM64_SYS_REG(3, 3, 14, 3, 2)
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define KVM_REG_ARM_TIMER_CVAL ARM64_SYS_REG(3, 3, 14, 0, 2)
 #define KVM_DEV_ARM_VGIC_GRP_ADDR 0
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define KVM_DEV_ARM_VGIC_GRP_DIST_REGS 1
 #define KVM_DEV_ARM_VGIC_GRP_CPU_REGS 2
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define KVM_DEV_ARM_VGIC_CPUID_SHIFT 32
 #define KVM_DEV_ARM_VGIC_CPUID_MASK (0xffULL << KVM_DEV_ARM_VGIC_CPUID_SHIFT)
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define KVM_DEV_ARM_VGIC_OFFSET_SHIFT 0
 #define KVM_DEV_ARM_VGIC_OFFSET_MASK (0xffffffffULL << KVM_DEV_ARM_VGIC_OFFSET_SHIFT)
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define KVM_DEV_ARM_VGIC_GRP_NR_IRQS 3
+#define KVM_DEV_ARM_VGIC_GRP_CTRL 4
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define KVM_DEV_ARM_VGIC_CTRL_INIT 0
 #define KVM_ARM_IRQ_TYPE_SHIFT 24
 #define KVM_ARM_IRQ_TYPE_MASK 0xff
 #define KVM_ARM_IRQ_VCPU_SHIFT 16
@@ -147,18 +167,19 @@
 #define KVM_ARM_IRQ_CPU_FIQ 1
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define KVM_ARM_IRQ_GIC_MAX 127
+#define KVM_NR_IRQCHIPS 1
 #define KVM_PSCI_FN_BASE 0x95c1ba5e
 #define KVM_PSCI_FN(n) (KVM_PSCI_FN_BASE + (n))
-#define KVM_PSCI_FN_CPU_SUSPEND KVM_PSCI_FN(0)
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define KVM_PSCI_FN_CPU_SUSPEND KVM_PSCI_FN(0)
 #define KVM_PSCI_FN_CPU_OFF KVM_PSCI_FN(1)
 #define KVM_PSCI_FN_CPU_ON KVM_PSCI_FN(2)
 #define KVM_PSCI_FN_MIGRATE KVM_PSCI_FN(3)
-#define KVM_PSCI_RET_SUCCESS PSCI_RET_SUCCESS
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define KVM_PSCI_RET_SUCCESS PSCI_RET_SUCCESS
 #define KVM_PSCI_RET_NI PSCI_RET_NOT_SUPPORTED
 #define KVM_PSCI_RET_INVAL PSCI_RET_INVALID_PARAMS
 #define KVM_PSCI_RET_DENIED PSCI_RET_DENIED
-#endif
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #endif
+#endif
diff --git a/libc/kernel/uapi/asm-arm64/asm/ptrace.h b/libc/kernel/uapi/asm-arm64/asm/ptrace.h
index ec531f9..37148f5 100644
--- a/libc/kernel/uapi/asm-arm64/asm/ptrace.h
+++ b/libc/kernel/uapi/asm-arm64/asm/ptrace.h
@@ -37,43 +37,44 @@
 #define PSR_A_BIT 0x00000100
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define PSR_D_BIT 0x00000200
+#define PSR_PAN_BIT 0x00400000
 #define PSR_Q_BIT 0x08000000
 #define PSR_V_BIT 0x10000000
-#define PSR_C_BIT 0x20000000
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define PSR_C_BIT 0x20000000
 #define PSR_Z_BIT 0x40000000
 #define PSR_N_BIT 0x80000000
 #define PSR_f 0xff000000
-#define PSR_s 0x00ff0000
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define PSR_s 0x00ff0000
 #define PSR_x 0x0000ff00
 #define PSR_c 0x000000ff
 #ifndef __ASSEMBLY__
-struct user_pt_regs {
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+struct user_pt_regs {
   __u64 regs[31];
   __u64 sp;
   __u64 pc;
-  __u64 pstate;
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+  __u64 pstate;
 };
 struct user_fpsimd_state {
   __uint128_t vregs[32];
-  __u32 fpsr;
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+  __u32 fpsr;
   __u32 fpcr;
 };
 struct user_hwdebug_state {
-  __u32 dbg_info;
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+  __u32 dbg_info;
   __u32 pad;
   struct {
     __u64 addr;
-    __u32 ctrl;
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+    __u32 ctrl;
     __u32 pad;
   } dbg_regs[16];
 };
-#endif
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #endif
+#endif
diff --git a/libc/kernel/uapi/asm-arm64/asm/signal.h b/libc/kernel/uapi/asm-arm64/asm/signal.h
index 39f8c48..0ff3e96 100644
--- a/libc/kernel/uapi/asm-arm64/asm/signal.h
+++ b/libc/kernel/uapi/asm-arm64/asm/signal.h
@@ -19,6 +19,8 @@
 #ifndef __ASM_SIGNAL_H
 #define __ASM_SIGNAL_H
 #define SA_RESTORER 0x04000000
-#include <asm-generic/signal.h>
+#define MINSIGSTKSZ 5120
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define SIGSTKSZ 16384
+#include <asm-generic/signal.h>
 #endif
diff --git a/libc/kernel/uapi/asm-arm64/asm/ucontext.h b/libc/kernel/uapi/asm-arm64/asm/ucontext.h
new file mode 100644
index 0000000..edb9155
--- /dev/null
+++ b/libc/kernel/uapi/asm-arm64/asm/ucontext.h
@@ -0,0 +1,33 @@
+/****************************************************************************
+ ****************************************************************************
+ ***
+ ***   This header was automatically generated from a Linux kernel header
+ ***   of the same name, to make information necessary for userspace to
+ ***   call into the kernel available to libc.  It contains only constants,
+ ***   structures, and macros generated from the original header, and thus,
+ ***   contains no copyrightable information.
+ ***
+ ***   To edit the content of this header, modify the corresponding
+ ***   source file (e.g. under external/kernel-headers/original/) then
+ ***   run bionic/libc/kernel/tools/update_all.py
+ ***
+ ***   Any manual change here will be lost the next time this script will
+ ***   be run. You've been warned!
+ ***
+ ****************************************************************************
+ ****************************************************************************/
+#ifndef _UAPI__ASM_UCONTEXT_H
+#define _UAPI__ASM_UCONTEXT_H
+#include <linux/types.h>
+struct ucontext {
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+  unsigned long uc_flags;
+  struct ucontext * uc_link;
+  stack_t uc_stack;
+  sigset_t uc_sigmask;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+  __u8 __linux_unused[1024 / 8 - sizeof(sigset_t)];
+  struct sigcontext uc_mcontext;
+};
+#endif
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */