#define __field_ext(_type, _item, _filter_type) \
__field(_type, _item)
+#undef __field_hex
+#define __field_hex(_type, _item) \
+ __field_full(_type, _item, __BYTE_ORDER, 16)
+
#undef __field_network
#define __field_network(_type, _item) \
__field_full(_type, _item, __BIG_ENDIAN, 10)
}, \
},
+#undef __string_from_user
+#define __string_from_user(_item, _src) \
+ __string(_item, _src)
+
#undef TP_STRUCT__entry
#define TP_STRUCT__entry(args...) args /* Only one used in this phase */
#include TRACE_INCLUDE(TRACE_INCLUDE_FILE)
-#undef __type_integer
-
/*
* Stage 3 of the trace events.
*
#define __string(_item, _src) \
__event_len += __dynamic_len[__dynamic_len_idx++] = strlen(_src) + 1;
+/*
+ * strlen_user includes \0. If returns 0, it faulted, so we set size to
+ * 1 (\0 only).
+ */
+#undef __string_from_user
+#define __string_from_user(_item, _src) \
+ __event_len += __dynamic_len[__dynamic_len_idx++] = \
+ max_t(size_t, strlen_user(_src), 1);
+
#undef TP_PROTO
#define TP_PROTO(args...) args
#undef __string
#define __string(_item, _src)
+#undef __string_from_user
+#define __string_from_user(_item, _src)
+
#undef TP_PROTO
#define TP_PROTO(args...) args
_type _item;
#undef __string
-#define __string(_item, _src) char _item;
+#define __string(_item, _src) char _item;
+
+#undef __string_from_user
+#define __string_from_user(_item, _src) \
+ __string(_item, _src)
#undef TP_STRUCT__entry
#define TP_STRUCT__entry(args...) args
goto __assign_##_item; \
__end_field_##_item:
+#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().
sizeof(__typemap.dest) * __get_dynamic_array_len(dest));\
goto __end_field_##dest##_2;
+#undef tp_memcpy_from_user
+#define tp_memcpy_from_user(dest, src, len) \
+ __assign_##dest: \
+ if (0) \
+ (void) __typemap.dest; \
+ lib_ring_buffer_align_ctx(&__ctx, ltt_alignof(__typemap.dest)); \
+ __chan->ops->event_write_from_user(&__ctx, src, len); \
+ goto __end_field_##dest;
+
+/*
+ * The string length including the final \0.
+ */
+#undef tp_copy_string_from_user
+#define tp_copy_string_from_user(dest, src) \
+ __assign_##dest: \
+ { \
+ size_t __ustrlen; \
+ \
+ if (0) \
+ (void) __typemap.dest; \
+ lib_ring_buffer_align_ctx(&__ctx, ltt_alignof(__typemap.dest));\
+ __ustrlen = __get_dynamic_array_len(dest); \
+ if (likely(__ustrlen > 1)) { \
+ __chan->ops->event_write_from_user(&__ctx, src, \
+ __ustrlen - 1); \
+ } \
+ __chan->ops->event_memset(&__ctx, 0, 1); \
+ } \
+ goto __end_field_##dest;
#undef tp_strcpy
#define tp_strcpy(dest, src) \
tp_memcpy(dest, src, __get_dynamic_array_len(dest))
#undef module_exit_eval
#undef TP_ID1
#undef TP_ID
+
+#undef TP_PROTO
+#undef TP_ARGS
+#undef TRACE_EVENT_FLAGS