1 /* SPDX-License-Identifier: GPL-2.0 */ 2 #ifndef _PERF_ANNOTATE_DATA_H 3 #define _PERF_ANNOTATE_DATA_H 4 5 #include <errno.h> 6 #include <linux/compiler.h> 7 #include <linux/rbtree.h> 8 #include <linux/types.h> 9 10 struct map_symbol; 11 12 /** 13 * struct annotated_data_type - Data type to profile 14 * @type_name: Name of the data type 15 * @type_size: Size of the data type 16 * 17 * This represents a data type accessed by samples in the profile data. 18 */ 19 struct annotated_data_type { 20 struct rb_node node; 21 char *type_name; 22 int type_size; 23 }; 24 25 #ifdef HAVE_DWARF_SUPPORT 26 27 /* Returns data type at the location (ip, reg, offset) */ 28 struct annotated_data_type *find_data_type(struct map_symbol *ms, u64 ip, 29 int reg, int offset); 30 31 /* Release all data type information in the tree */ 32 void annotated_data_type__tree_delete(struct rb_root *root); 33 34 #else /* HAVE_DWARF_SUPPORT */ 35 36 static inline struct annotated_data_type * 37 find_data_type(struct map_symbol *ms __maybe_unused, u64 ip __maybe_unused, 38 int reg __maybe_unused, int offset __maybe_unused) 39 { 40 return NULL; 41 } 42 43 static inline void annotated_data_type__tree_delete(struct rb_root *root __maybe_unused) 44 { 45 } 46 47 #endif /* HAVE_DWARF_SUPPORT */ 48 49 #endif /* _PERF_ANNOTATE_DATA_H */ 50