--- /dev/null
+
+#define CONTEXT_ARM64 0x00400000L
+#define CONTEXT_CONTROL (CONTEXT_ARM64 | 0x1L)
+#define CONTEXT_INTEGER (CONTEXT_ARM64 | 0x2L)
+#define CONTEXT_FLOATING_POINT (CONTEXT_ARM64 | 0x4L)
+#define CONTEXT_DEBUG_REGISTERS (CONTEXT_ARM64 | 0x8L)
+#define CONTEXT_X18 (CONTEXT_ARM64 | 0x10L)
+#define CONTEXT_FULL (CONTEXT_CONTROL | CONTEXT_INTEGER | CONTEXT_FLOATING_POINT)