Linux/include/linux/btf

Version: ~ [ linux-6.11.5 ] ~ [ linux-6.10.14 ] ~ [ linux-6.9.12 ] ~ [ linux-6.8.12 ] ~ [ linux-6.7.12 ] ~ [ linux-6.6.58 ] ~ [ linux-6.5.13 ] ~ [ linux-6.4.16 ] ~ [ linux-6.3.13 ] ~ [ linux-6.2.16 ] ~ [ linux-6.1.114 ] ~ [ linux-6.0.19 ] ~ [ linux-5.19.17 ] ~ [ linux-5.18.19 ] ~ [ linux-5.17.15 ] ~ [ linux-5.16.20 ] ~ [ linux-5.15.169 ] ~ [ linux-5.14.21 ] ~ [ linux-5.13.19 ] ~ [ linux-5.12.19 ] ~ [ linux-5.11.22 ] ~ [ linux-5.10.228 ] ~ [ linux-5.9.16 ] ~ [ linux-5.8.18 ] ~ [ linux-5.7.19 ] ~ [ linux-5.6.19 ] ~ [ linux-5.5.19 ] ~ [ linux-5.4.284 ] ~ [ linux-5.3.18 ] ~ [ linux-5.2.21 ] ~ [ linux-5.1.21 ] ~ [ linux-5.0.21 ] ~ [ linux-4.20.17 ] ~ [ linux-4.19.322 ] ~ [ linux-4.18.20 ] ~ [ linux-4.17.19 ] ~ [ linux-4.16.18 ] ~ [ linux-4.15.18 ] ~ [ linux-4.14.336 ] ~ [ linux-4.13.16 ] ~ [ linux-4.12.14 ] ~ [ linux-4.11.12 ] ~ [ linux-4.10.17 ] ~ [ linux-4.9.337 ] ~ [ linux-4.4.302 ] ~ [ linux-3.10.108 ] ~ [ linux-2.6.32.71 ] ~ [ linux-2.6.0 ] ~ [ linux-2.4.37.11 ] ~ [ unix-v6-master ] ~ [ ccs-tools-1.8.9 ] ~ [ policy-sample ] ~
Architecture: ~ [ i386 ] ~ [ alpha ] ~ [ m68k ] ~ [ mips ] ~ [ ppc ] ~ [ sparc ] ~ [ sparc64 ] ~

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1 /* SPDX-License-Identifier: GPL-2.0 */ 1 /* SPDX-License-Identifier: GPL-2.0 */ 2 2 3 #ifndef _LINUX_BTF_IDS_H 3 #ifndef _LINUX_BTF_IDS_H 4 #define _LINUX_BTF_IDS_H 4 #define _LINUX_BTF_IDS_H 5 5 6 #include <linux/types.h> /* for u32 */ << 7 << 8 struct btf_id_set { << 9 u32 cnt; << 10 u32 ids[]; << 11 }; << 12 << 13 /* This flag implies BTF_SET8 holds kfunc(s) * << 14 #define BTF_SET8_KFUNCS (1 << 0) << 15 << 16 struct btf_id_set8 { << 17 u32 cnt; << 18 u32 flags; << 19 struct { << 20 u32 id; << 21 u32 flags; << 22 } pairs[]; << 23 }; << 24 << 25 #ifdef CONFIG_DEBUG_INFO_BTF 6 #ifdef CONFIG_DEBUG_INFO_BTF 26 7 27 #include <linux/compiler.h> /* for __PASTE */ 8 #include <linux/compiler.h> /* for __PASTE */ 28 #include <linux/compiler_attributes.h> /* for << 29 #include <linux/stringify.h> << 30 9 31 /* 10 /* 32 * Following macros help to define lists of BT 11 * Following macros help to define lists of BTF IDs placed 33 * in .BTF_ids section. They are initially fil 12 * in .BTF_ids section. They are initially filled with zeros 34 * (during compilation) and resolved later dur 13 * (during compilation) and resolved later during the 35 * linking phase by resolve_btfids tool. 14 * linking phase by resolve_btfids tool. 36 * 15 * 37 * Any change in list layout must be reflected 16 * Any change in list layout must be reflected in resolve_btfids 38 * tool logic. 17 * tool logic. 39 */ 18 */ 40 19 41 #define BTF_IDS_SECTION ".BTF_ids" 20 #define BTF_IDS_SECTION ".BTF_ids" 42 21 43 #define ____BTF_ID(symbol, word) !! 22 #define ____BTF_ID(symbol) \ 44 asm( 23 asm( \ 45 ".pushsection " BTF_IDS_SECTION ",\"a\"; 24 ".pushsection " BTF_IDS_SECTION ",\"a\"; \n" \ 46 ".local " #symbol " ; 25 ".local " #symbol " ; \n" \ 47 ".type " #symbol ", STT_OBJECT; 26 ".type " #symbol ", STT_OBJECT; \n" \ 48 ".size " #symbol ", 4; 27 ".size " #symbol ", 4; \n" \ 49 #symbol ": 28 #symbol ": \n" \ 50 ".zero 4 29 ".zero 4 \n" \ 51 word << 52 ".popsection; 30 ".popsection; \n"); 53 31 54 #define __BTF_ID(symbol, word) \ !! 32 #define __BTF_ID(symbol) \ 55 ____BTF_ID(symbol, word) !! 33 ____BTF_ID(symbol) 56 34 57 #define __ID(prefix) \ 35 #define __ID(prefix) \ 58 __PASTE(__PASTE(prefix, __COUNTER__), !! 36 __PASTE(prefix, __COUNTER__) 59 37 60 /* 38 /* 61 * The BTF_ID defines unique symbol for each I 39 * The BTF_ID defines unique symbol for each ID pointing 62 * to 4 zero bytes. 40 * to 4 zero bytes. 63 */ 41 */ 64 #define BTF_ID(prefix, name) \ 42 #define BTF_ID(prefix, name) \ 65 __BTF_ID(__ID(__BTF_ID__##prefix##__## !! 43 __BTF_ID(__ID(__BTF_ID__##prefix##__##name##__)) 66 << 67 #define ____BTF_ID_FLAGS(prefix, name, flags) << 68 __BTF_ID(__ID(__BTF_ID__##prefix##__## << 69 #define __BTF_ID_FLAGS(prefix, name, flags, .. << 70 ____BTF_ID_FLAGS(prefix, name, flags) << 71 #define BTF_ID_FLAGS(prefix, name, ...) \ << 72 __BTF_ID_FLAGS(prefix, name, ##__VA_AR << 73 44 74 /* 45 /* 75 * The BTF_ID_LIST macro defines pure (unsorte 46 * The BTF_ID_LIST macro defines pure (unsorted) list 76 * of BTF IDs, with following layout: 47 * of BTF IDs, with following layout: 77 * 48 * 78 * BTF_ID_LIST(list1) 49 * BTF_ID_LIST(list1) 79 * BTF_ID(type1, name1) 50 * BTF_ID(type1, name1) 80 * BTF_ID(type2, name2) 51 * BTF_ID(type2, name2) 81 * 52 * 82 * list1: 53 * list1: 83 * __BTF_ID__type1__name1__1: 54 * __BTF_ID__type1__name1__1: 84 * .zero 4 55 * .zero 4 85 * __BTF_ID__type2__name2__2: 56 * __BTF_ID__type2__name2__2: 86 * .zero 4 57 * .zero 4 87 * 58 * 88 */ 59 */ 89 #define __BTF_ID_LIST(name, scope) 60 #define __BTF_ID_LIST(name, scope) \ 90 asm( 61 asm( \ 91 ".pushsection " BTF_IDS_SECTION ",\"a\"; 62 ".pushsection " BTF_IDS_SECTION ",\"a\"; \n" \ 92 "." #scope " " #name "; 63 "." #scope " " #name "; \n" \ 93 #name ":; 64 #name ":; \n" \ 94 ".popsection; !! 65 ".popsection; \n"); \ 95 66 96 #define BTF_ID_LIST(name) 67 #define BTF_ID_LIST(name) \ 97 __BTF_ID_LIST(name, local) 68 __BTF_ID_LIST(name, local) \ 98 extern u32 name[]; 69 extern u32 name[]; 99 70 100 #define BTF_ID_LIST_GLOBAL(name, n) !! 71 #define BTF_ID_LIST_GLOBAL(name) \ 101 __BTF_ID_LIST(name, globl) 72 __BTF_ID_LIST(name, globl) 102 73 103 /* The BTF_ID_LIST_SINGLE macro defines a BTF_ << 104 * a single entry. << 105 */ << 106 #define BTF_ID_LIST_SINGLE(name, prefix, typen << 107 BTF_ID_LIST(name) \ << 108 BTF_ID(prefix, typename) << 109 #define BTF_ID_LIST_GLOBAL_SINGLE(name, prefix << 110 BTF_ID_LIST_GLOBAL(name, 1) << 111 BTF_ID(prefix, typename) << 112 << 113 /* 74 /* 114 * The BTF_ID_UNUSED macro defines 4 zero byte 75 * The BTF_ID_UNUSED macro defines 4 zero bytes. 115 * It's used when we want to define 'unused' e 76 * It's used when we want to define 'unused' entry 116 * in BTF_ID_LIST, like: 77 * in BTF_ID_LIST, like: 117 * 78 * 118 * BTF_ID_LIST(bpf_skb_output_btf_ids) 79 * BTF_ID_LIST(bpf_skb_output_btf_ids) 119 * BTF_ID(struct, sk_buff) 80 * BTF_ID(struct, sk_buff) 120 * BTF_ID_UNUSED 81 * BTF_ID_UNUSED 121 * BTF_ID(struct, task_struct) 82 * BTF_ID(struct, task_struct) 122 */ 83 */ 123 84 124 #define BTF_ID_UNUSED 85 #define BTF_ID_UNUSED \ 125 asm( 86 asm( \ 126 ".pushsection " BTF_IDS_SECTION ",\"a\"; 87 ".pushsection " BTF_IDS_SECTION ",\"a\"; \n" \ 127 ".zero 4 88 ".zero 4 \n" \ 128 ".popsection; 89 ".popsection; \n"); 129 90 130 /* << 131 * The BTF_SET_START/END macros pair defines s << 132 * BTF IDs plus its members count, with follow << 133 * << 134 * BTF_SET_START(list) << 135 * BTF_ID(type1, name1) << 136 * BTF_ID(type2, name2) << 137 * BTF_SET_END(list) << 138 * << 139 * __BTF_ID__set__list: << 140 * .zero 4 << 141 * list: << 142 * __BTF_ID__type1__name1__3: << 143 * .zero 4 << 144 * __BTF_ID__type2__name2__4: << 145 * .zero 4 << 146 * << 147 */ << 148 #define __BTF_SET_START(name, scope) << 149 asm( << 150 ".pushsection " BTF_IDS_SECTION ",\"a\"; << 151 "." #scope " __BTF_ID__set__" #name "; << 152 "__BTF_ID__set__" #name ":; << 153 ".zero 4 << 154 ".popsection; << 155 << 156 #define BTF_SET_START(name) << 157 __BTF_ID_LIST(name, local) << 158 __BTF_SET_START(name, local) << 159 << 160 #define BTF_SET_START_GLOBAL(name) << 161 __BTF_ID_LIST(name, globl) << 162 __BTF_SET_START(name, globl) << 163 << 164 #define BTF_SET_END(name) << 165 asm( << 166 ".pushsection " BTF_IDS_SECTION ",\"a\"; << 167 ".size __BTF_ID__set__" #name ", .-" #name " << 168 ".popsection; << 169 extern struct btf_id_set name; << 170 << 171 /* << 172 * The BTF_SET8_START/END macros pair defines << 173 * BTF IDs and their flags plus its members co << 174 * following layout: << 175 * << 176 * BTF_SET8_START(list) << 177 * BTF_ID_FLAGS(type1, name1, flags) << 178 * BTF_ID_FLAGS(type2, name2, flags) << 179 * BTF_SET8_END(list) << 180 * << 181 * __BTF_ID__set8__list: << 182 * .zero 8 << 183 * list: << 184 * __BTF_ID__type1__name1__3: << 185 * .zero 4 << 186 * .word (1 << 0) | (1 << 2) << 187 * __BTF_ID__type2__name2__5: << 188 * .zero 4 << 189 * .word (1 << 3) | (1 << 1) | (1 << 2) << 190 * << 191 */ << 192 #define __BTF_SET8_START(name, scope, flags) << 193 __BTF_ID_LIST(name, local) << 194 asm( << 195 ".pushsection " BTF_IDS_SECTION ",\"a\"; << 196 "." #scope " __BTF_ID__set8__" #name "; << 197 "__BTF_ID__set8__" #name ":; << 198 ".zero 4 << 199 ".long " __stringify(flags) << 200 ".popsection; << 201 << 202 #define BTF_SET8_START(name) << 203 __BTF_SET8_START(name, local, 0) << 204 << 205 #define BTF_SET8_END(name) << 206 asm( << 207 ".pushsection " BTF_IDS_SECTION ",\"a\"; << 208 ".size __BTF_ID__set8__" #name ", .-" #name " << 209 ".popsection; << 210 extern struct btf_id_set8 name; << 211 << 212 #define BTF_KFUNCS_START(name) << 213 __BTF_SET8_START(name, local, BTF_SET8_KFUNCS) << 214 << 215 #define BTF_KFUNCS_END(name) << 216 BTF_SET8_END(name) << 217 << 218 #else 91 #else 219 92 220 #define BTF_ID_LIST(name) static u32 __maybe_u !! 93 #define BTF_ID_LIST(name) static u32 name[5]; 221 #define BTF_ID(prefix, name) 94 #define BTF_ID(prefix, name) 222 #define BTF_ID_FLAGS(prefix, name, ...) << 223 #define BTF_ID_UNUSED 95 #define BTF_ID_UNUSED 224 #define BTF_ID_LIST_GLOBAL(name, n) u32 __mayb !! 96 #define BTF_ID_LIST_GLOBAL(name) u32 name[1]; 225 #define BTF_ID_LIST_SINGLE(name, prefix, typen << 226 #define BTF_ID_LIST_GLOBAL_SINGLE(name, prefix << 227 #define BTF_SET_START(name) static struct btf_ << 228 #define BTF_SET_START_GLOBAL(name) static stru << 229 #define BTF_SET_END(name) << 230 #define BTF_SET8_START(name) static struct btf << 231 #define BTF_SET8_END(name) << 232 #define BTF_KFUNCS_START(name) static struct b << 233 #define BTF_KFUNCS_END(name) << 234 97 235 #endif /* CONFIG_DEBUG_INFO_BTF */ 98 #endif /* CONFIG_DEBUG_INFO_BTF */ 236 99 237 #ifdef CONFIG_NET 100 #ifdef CONFIG_NET 238 /* Define a list of socket types which can be 101 /* Define a list of socket types which can be the argument for 239 * skc_to_*_sock() helpers. All these sockets 102 * skc_to_*_sock() helpers. All these sockets should have 240 * sock_common as the first argument in its me 103 * sock_common as the first argument in its memory layout. 241 */ 104 */ 242 #define BTF_SOCK_TYPE_xxx \ 105 #define BTF_SOCK_TYPE_xxx \ 243 BTF_SOCK_TYPE(BTF_SOCK_TYPE_INET, inet 106 BTF_SOCK_TYPE(BTF_SOCK_TYPE_INET, inet_sock) \ 244 BTF_SOCK_TYPE(BTF_SOCK_TYPE_INET_CONN, 107 BTF_SOCK_TYPE(BTF_SOCK_TYPE_INET_CONN, inet_connection_sock) \ 245 BTF_SOCK_TYPE(BTF_SOCK_TYPE_INET_REQ, 108 BTF_SOCK_TYPE(BTF_SOCK_TYPE_INET_REQ, inet_request_sock) \ 246 BTF_SOCK_TYPE(BTF_SOCK_TYPE_INET_TW, i 109 BTF_SOCK_TYPE(BTF_SOCK_TYPE_INET_TW, inet_timewait_sock) \ 247 BTF_SOCK_TYPE(BTF_SOCK_TYPE_REQ, reque 110 BTF_SOCK_TYPE(BTF_SOCK_TYPE_REQ, request_sock) \ 248 BTF_SOCK_TYPE(BTF_SOCK_TYPE_SOCK, sock 111 BTF_SOCK_TYPE(BTF_SOCK_TYPE_SOCK, sock) \ 249 BTF_SOCK_TYPE(BTF_SOCK_TYPE_SOCK_COMMO 112 BTF_SOCK_TYPE(BTF_SOCK_TYPE_SOCK_COMMON, sock_common) \ 250 BTF_SOCK_TYPE(BTF_SOCK_TYPE_TCP, tcp_s 113 BTF_SOCK_TYPE(BTF_SOCK_TYPE_TCP, tcp_sock) \ 251 BTF_SOCK_TYPE(BTF_SOCK_TYPE_TCP_REQ, t 114 BTF_SOCK_TYPE(BTF_SOCK_TYPE_TCP_REQ, tcp_request_sock) \ 252 BTF_SOCK_TYPE(BTF_SOCK_TYPE_TCP_TW, tc 115 BTF_SOCK_TYPE(BTF_SOCK_TYPE_TCP_TW, tcp_timewait_sock) \ 253 BTF_SOCK_TYPE(BTF_SOCK_TYPE_TCP6, tcp6 116 BTF_SOCK_TYPE(BTF_SOCK_TYPE_TCP6, tcp6_sock) \ 254 BTF_SOCK_TYPE(BTF_SOCK_TYPE_UDP, udp_s 117 BTF_SOCK_TYPE(BTF_SOCK_TYPE_UDP, udp_sock) \ 255 BTF_SOCK_TYPE(BTF_SOCK_TYPE_UDP6, udp6 !! 118 BTF_SOCK_TYPE(BTF_SOCK_TYPE_UDP6, udp6_sock) 256 BTF_SOCK_TYPE(BTF_SOCK_TYPE_UNIX, unix << 257 BTF_SOCK_TYPE(BTF_SOCK_TYPE_MPTCP, mpt << 258 BTF_SOCK_TYPE(BTF_SOCK_TYPE_SOCKET, so << 259 119 260 enum { 120 enum { 261 #define BTF_SOCK_TYPE(name, str) name, 121 #define BTF_SOCK_TYPE(name, str) name, 262 BTF_SOCK_TYPE_xxx 122 BTF_SOCK_TYPE_xxx 263 #undef BTF_SOCK_TYPE 123 #undef BTF_SOCK_TYPE 264 MAX_BTF_SOCK_TYPE, 124 MAX_BTF_SOCK_TYPE, 265 }; 125 }; 266 126 267 extern u32 btf_sock_ids[]; 127 extern u32 btf_sock_ids[]; 268 #endif 128 #endif 269 << 270 #define BTF_TRACING_TYPE_xxx \ << 271 BTF_TRACING_TYPE(BTF_TRACING_TYPE_TASK << 272 BTF_TRACING_TYPE(BTF_TRACING_TYPE_FILE << 273 BTF_TRACING_TYPE(BTF_TRACING_TYPE_VMA, << 274 << 275 enum { << 276 #define BTF_TRACING_TYPE(name, type) name, << 277 BTF_TRACING_TYPE_xxx << 278 #undef BTF_TRACING_TYPE << 279 MAX_BTF_TRACING_TYPE, << 280 }; << 281 << 282 extern u32 btf_tracing_ids[]; << 283 extern u32 bpf_cgroup_btf_id[]; << 284 extern u32 bpf_local_storage_map_btf_id[]; << 285 extern u32 btf_bpf_map_id[]; << 286 129 287 #endif 130 #endif 288 131

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TOMOYO Linux Cross Reference
Linux/include/linux/btf_ids.h

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Differences between /include/linux/btf_ids.h (Version linux-6.11.5) and /include/linux/btf_ids.h (Version linux-5.9.16)

TOMOYO Linux Cross Reference Linux/include/linux/btf_ids.h

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Differences between /include/linux/btf_ids.h (Version linux-6.11.5) and /include/linux/btf_ids.h (Version linux-5.9.16)

TOMOYO Linux Cross Reference
Linux/include/linux/btf_ids.h