+#undef __string_from_user
+#define __string_from_user(_item, _src) \
+ __string(_item, _src)
+
+/*
+ * Macros mapping tp_assign() to "=", tp_memcpy() to memcpy() and tp_strcpy() to
+ * strcpy().
+ */
+#undef tp_assign
+#define tp_assign(dest, src) \
+__assign_##dest: \
+ { \
+ __typeof__(__typemap.dest) __tmp = (src); \
+ lib_ring_buffer_align_ctx(&__ctx, lttng_alignof(__tmp)); \
+ __chan->ops->event_write(&__ctx, &__tmp, sizeof(__tmp));\
+ } \
+ goto __end_field_##dest;
+
+/* fixed length array memcpy */
+#undef tp_memcpy_gen
+#define tp_memcpy_gen(write_ops, dest, src, len) \
+__assign_##dest: \
+ if (0) \
+ (void) __typemap.dest; \
+ lib_ring_buffer_align_ctx(&__ctx, lttng_alignof(__typemap.dest)); \
+ __chan->ops->write_ops(&__ctx, src, len); \
+ goto __end_field_##dest;
+
+#undef tp_memcpy
+#define tp_memcpy(dest, src, len) \
+ tp_memcpy_gen(event_write, dest, src, len)
+
+#undef tp_memcpy_from_user
+#define tp_memcpy_from_user(dest, src, len) \
+ tp_memcpy_gen(event_write_from_user, dest, src, len)
+
+/* variable length sequence memcpy */
+#undef tp_memcpy_dyn_gen
+#define tp_memcpy_dyn_gen(write_ops, dest, src) \
+__assign_##dest##_1: \
+ { \
+ u32 __tmpl = __dynamic_len[__dynamic_len_idx]; \
+ lib_ring_buffer_align_ctx(&__ctx, lttng_alignof(u32)); \
+ __chan->ops->event_write(&__ctx, &__tmpl, sizeof(u32)); \
+ } \
+ goto __end_field_##dest##_1; \
+__assign_##dest##_2: \
+ lib_ring_buffer_align_ctx(&__ctx, lttng_alignof(__typemap.dest)); \
+ __chan->ops->write_ops(&__ctx, src, \
+ sizeof(__typemap.dest) * __get_dynamic_array_len(dest));\
+ goto __end_field_##dest##_2;
+
+#undef tp_memcpy_dyn_gen_2
+#define tp_memcpy_dyn_gen_2(write_ops, dest, src1, src2) \
+__assign_##dest##_1: \
+ { \
+ u32 __tmpl = __dynamic_len[__dynamic_len_idx] \
+ + __dynamic_len[__dynamic_len_idx + 1]; \
+ lib_ring_buffer_align_ctx(&__ctx, lttng_alignof(u32)); \
+ __chan->ops->event_write(&__ctx, &__tmpl, sizeof(u32)); \
+ } \
+ goto __end_field_##dest##_1; \
+__assign_##dest##_2: \
+ lib_ring_buffer_align_ctx(&__ctx, lttng_alignof(__typemap.dest)); \
+ __chan->ops->write_ops(&__ctx, src1, \
+ sizeof(__typemap.dest) * __get_dynamic_array_len(dest));\
+ goto __end_field_##dest##_2; \
+__assign_##dest##_3: \
+ __chan->ops->write_ops(&__ctx, src2, \
+ sizeof(__typemap.dest) * __get_dynamic_array_len(dest));\
+ goto __end_field_##dest##_3;
+
+#undef tp_memcpy_dyn
+#define tp_memcpy_dyn(dest, src) \
+ tp_memcpy_dyn_gen(event_write, dest, src)
+
+#undef tp_memcpy_dyn_2
+#define tp_memcpy_dyn_2(dest, src1, src2) \
+ tp_memcpy_dyn_gen_2(event_write, dest, src1, src2)
+
+#undef tp_memcpy_dyn_from_user
+#define tp_memcpy_dyn_from_user(dest, src) \
+ tp_memcpy_dyn_gen(event_write_from_user, dest, src)
+
+/*
+ * The string length including the final \0.
+ */
+#undef tp_copy_string_from_user
+#define tp_copy_string_from_user(dest, src) \
+__assign_##dest: \
+ if (0) \
+ (void) __typemap.dest; \
+ lib_ring_buffer_align_ctx(&__ctx, lttng_alignof(__typemap.dest)); \
+ __chan->ops->event_strcpy_from_user(&__ctx, src, \
+ __get_dynamic_array_len(dest)); \
+ goto __end_field_##dest;
+
+#undef tp_strcpy
+#define tp_strcpy(dest, src) \
+__assign_##dest: \
+ if (0) \
+ (void) __typemap.dest; \
+ lib_ring_buffer_align_ctx(&__ctx, lttng_alignof(__typemap.dest)); \
+ __chan->ops->event_strcpy(&__ctx, src, __get_dynamic_array_len(dest)); \
+ goto __end_field_##dest;
+
+/* Named field types must be defined in lttng-types.h */