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Commit | Line | Data |
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b2441318 | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
249b812d AS |
2 | #ifndef __BPF_HELPERS_H |
3 | #define __BPF_HELPERS_H | |
4 | ||
5 | /* helper macro to place programs, maps, license in | |
6 | * different sections in elf_bpf file. Section names | |
7 | * are interpreted by elf_bpf loader | |
8 | */ | |
9 | #define SEC(NAME) __attribute__((section(NAME), used)) | |
10 | ||
11 | /* helper functions called from eBPF programs written in C */ | |
12 | static void *(*bpf_map_lookup_elem)(void *map, void *key) = | |
13 | (void *) BPF_FUNC_map_lookup_elem; | |
14 | static int (*bpf_map_update_elem)(void *map, void *key, void *value, | |
15 | unsigned long long flags) = | |
16 | (void *) BPF_FUNC_map_update_elem; | |
17 | static int (*bpf_map_delete_elem)(void *map, void *key) = | |
18 | (void *) BPF_FUNC_map_delete_elem; | |
43b987d2 MV |
19 | static int (*bpf_map_push_elem)(void *map, void *value, |
20 | unsigned long long flags) = | |
21 | (void *) BPF_FUNC_map_push_elem; | |
22 | static int (*bpf_map_pop_elem)(void *map, void *value) = | |
23 | (void *) BPF_FUNC_map_pop_elem; | |
24 | static int (*bpf_map_peek_elem)(void *map, void *value) = | |
25 | (void *) BPF_FUNC_map_peek_elem; | |
b896c4f9 AS |
26 | static int (*bpf_probe_read)(void *dst, int size, void *unsafe_ptr) = |
27 | (void *) BPF_FUNC_probe_read; | |
28 | static unsigned long long (*bpf_ktime_get_ns)(void) = | |
29 | (void *) BPF_FUNC_ktime_get_ns; | |
30 | static int (*bpf_trace_printk)(const char *fmt, int fmt_size, ...) = | |
31 | (void *) BPF_FUNC_trace_printk; | |
5bacd780 AS |
32 | static void (*bpf_tail_call)(void *ctx, void *map, int index) = |
33 | (void *) BPF_FUNC_tail_call; | |
530b2c86 AS |
34 | static unsigned long long (*bpf_get_smp_processor_id)(void) = |
35 | (void *) BPF_FUNC_get_smp_processor_id; | |
ffeedafb AS |
36 | static unsigned long long (*bpf_get_current_pid_tgid)(void) = |
37 | (void *) BPF_FUNC_get_current_pid_tgid; | |
38 | static unsigned long long (*bpf_get_current_uid_gid)(void) = | |
39 | (void *) BPF_FUNC_get_current_uid_gid; | |
40 | static int (*bpf_get_current_comm)(void *buf, int buf_size) = | |
41 | (void *) BPF_FUNC_get_current_comm; | |
41e9a804 TQ |
42 | static unsigned long long (*bpf_perf_event_read)(void *map, |
43 | unsigned long long flags) = | |
47efb302 | 44 | (void *) BPF_FUNC_perf_event_read; |
27b29f63 AS |
45 | static int (*bpf_clone_redirect)(void *ctx, int ifindex, int flags) = |
46 | (void *) BPF_FUNC_clone_redirect; | |
47 | static int (*bpf_redirect)(int ifindex, int flags) = | |
48 | (void *) BPF_FUNC_redirect; | |
9d6e0052 JF |
49 | static int (*bpf_redirect_map)(void *map, int key, int flags) = |
50 | (void *) BPF_FUNC_redirect_map; | |
05b8ad25 AB |
51 | static int (*bpf_perf_event_output)(void *ctx, void *map, |
52 | unsigned long long flags, void *data, | |
53 | int size) = | |
39111695 | 54 | (void *) BPF_FUNC_perf_event_output; |
a6ffe7b9 AS |
55 | static int (*bpf_get_stackid)(void *ctx, void *map, int flags) = |
56 | (void *) BPF_FUNC_get_stackid; | |
96ae5227 SD |
57 | static int (*bpf_probe_write_user)(void *dst, void *src, int size) = |
58 | (void *) BPF_FUNC_probe_write_user; | |
9e6e60ec SD |
59 | static int (*bpf_current_task_under_cgroup)(void *map, int index) = |
60 | (void *) BPF_FUNC_current_task_under_cgroup; | |
6afb1e28 WT |
61 | static int (*bpf_skb_get_tunnel_key)(void *ctx, void *key, int size, int flags) = |
62 | (void *) BPF_FUNC_skb_get_tunnel_key; | |
63 | static int (*bpf_skb_set_tunnel_key)(void *ctx, void *key, int size, int flags) = | |
64 | (void *) BPF_FUNC_skb_set_tunnel_key; | |
65 | static int (*bpf_skb_get_tunnel_opt)(void *ctx, void *md, int size) = | |
66 | (void *) BPF_FUNC_skb_get_tunnel_opt; | |
67 | static int (*bpf_skb_set_tunnel_opt)(void *ctx, void *md, int size) = | |
68 | (void *) BPF_FUNC_skb_set_tunnel_opt; | |
1c47910e AS |
69 | static unsigned long long (*bpf_get_prandom_u32)(void) = |
70 | (void *) BPF_FUNC_get_prandom_u32; | |
12d8bb64 MKL |
71 | static int (*bpf_xdp_adjust_head)(void *ctx, int offset) = |
72 | (void *) BPF_FUNC_xdp_adjust_head; | |
22c88526 DB |
73 | static int (*bpf_xdp_adjust_meta)(void *ctx, int offset) = |
74 | (void *) BPF_FUNC_xdp_adjust_meta; | |
0289a2cc AI |
75 | static int (*bpf_get_socket_cookie)(void *ctx) = |
76 | (void *) BPF_FUNC_get_socket_cookie; | |
8c4b4c7e LB |
77 | static int (*bpf_setsockopt)(void *ctx, int level, int optname, void *optval, |
78 | int optlen) = | |
79 | (void *) BPF_FUNC_setsockopt; | |
cd86d1fd LB |
80 | static int (*bpf_getsockopt)(void *ctx, int level, int optname, void *optval, |
81 | int optlen) = | |
82 | (void *) BPF_FUNC_getsockopt; | |
d6d4f60c LB |
83 | static int (*bpf_sock_ops_cb_flags_set)(void *ctx, int flags) = |
84 | (void *) BPF_FUNC_sock_ops_cb_flags_set; | |
34f79502 | 85 | static int (*bpf_sk_redirect_map)(void *ctx, void *map, int key, int flags) = |
69e8cc13 | 86 | (void *) BPF_FUNC_sk_redirect_map; |
b8b394fa JF |
87 | static int (*bpf_sk_redirect_hash)(void *ctx, void *map, void *key, int flags) = |
88 | (void *) BPF_FUNC_sk_redirect_hash; | |
69e8cc13 | 89 | static int (*bpf_sock_map_update)(void *map, void *key, void *value, |
464bc0fd | 90 | unsigned long long flags) = |
69e8cc13 | 91 | (void *) BPF_FUNC_sock_map_update; |
b8b394fa JF |
92 | static int (*bpf_sock_hash_update)(void *map, void *key, void *value, |
93 | unsigned long long flags) = | |
94 | (void *) BPF_FUNC_sock_hash_update; | |
020a32d9 YS |
95 | static int (*bpf_perf_event_read_value)(void *map, unsigned long long flags, |
96 | void *buf, unsigned int buf_size) = | |
97 | (void *) BPF_FUNC_perf_event_read_value; | |
81b9cf80 YS |
98 | static int (*bpf_perf_prog_read_value)(void *ctx, void *buf, |
99 | unsigned int buf_size) = | |
100 | (void *) BPF_FUNC_perf_prog_read_value; | |
965de87e JB |
101 | static int (*bpf_override_return)(void *ctx, unsigned long rc) = |
102 | (void *) BPF_FUNC_override_return; | |
4c4c3c27 JF |
103 | static int (*bpf_msg_redirect_map)(void *ctx, void *map, int key, int flags) = |
104 | (void *) BPF_FUNC_msg_redirect_map; | |
b8b394fa JF |
105 | static int (*bpf_msg_redirect_hash)(void *ctx, |
106 | void *map, void *key, int flags) = | |
107 | (void *) BPF_FUNC_msg_redirect_hash; | |
1c16c312 JF |
108 | static int (*bpf_msg_apply_bytes)(void *ctx, int len) = |
109 | (void *) BPF_FUNC_msg_apply_bytes; | |
468b3fde JF |
110 | static int (*bpf_msg_cork_bytes)(void *ctx, int len) = |
111 | (void *) BPF_FUNC_msg_cork_bytes; | |
0dcbbf67 JF |
112 | static int (*bpf_msg_pull_data)(void *ctx, int start, int end, int flags) = |
113 | (void *) BPF_FUNC_msg_pull_data; | |
f908d26b JF |
114 | static int (*bpf_msg_push_data)(void *ctx, int start, int end, int flags) = |
115 | (void *) BPF_FUNC_msg_push_data; | |
622adafb AI |
116 | static int (*bpf_bind)(void *ctx, void *addr, int addr_len) = |
117 | (void *) BPF_FUNC_bind; | |
0367d0a2 NS |
118 | static int (*bpf_xdp_adjust_tail)(void *ctx, int offset) = |
119 | (void *) BPF_FUNC_xdp_adjust_tail; | |
29a36f9e EB |
120 | static int (*bpf_skb_get_xfrm_state)(void *ctx, int index, void *state, |
121 | int size, int flags) = | |
122 | (void *) BPF_FUNC_skb_get_xfrm_state; | |
91134d84 MKL |
123 | static int (*bpf_sk_select_reuseport)(void *ctx, void *map, void *key, __u32 flags) = |
124 | (void *) BPF_FUNC_sk_select_reuseport; | |
de2ff05f YS |
125 | static int (*bpf_get_stack)(void *ctx, void *buf, int size, int flags) = |
126 | (void *) BPF_FUNC_get_stack; | |
fe616055 DA |
127 | static int (*bpf_fib_lookup)(void *ctx, struct bpf_fib_lookup *params, |
128 | int plen, __u32 flags) = | |
129 | (void *) BPF_FUNC_fib_lookup; | |
c99a84ea MX |
130 | static int (*bpf_lwt_push_encap)(void *ctx, unsigned int type, void *hdr, |
131 | unsigned int len) = | |
132 | (void *) BPF_FUNC_lwt_push_encap; | |
133 | static int (*bpf_lwt_seg6_store_bytes)(void *ctx, unsigned int offset, | |
134 | void *from, unsigned int len) = | |
135 | (void *) BPF_FUNC_lwt_seg6_store_bytes; | |
136 | static int (*bpf_lwt_seg6_action)(void *ctx, unsigned int action, void *param, | |
137 | unsigned int param_len) = | |
138 | (void *) BPF_FUNC_lwt_seg6_action; | |
139 | static int (*bpf_lwt_seg6_adjust_srh)(void *ctx, unsigned int offset, | |
140 | unsigned int len) = | |
141 | (void *) BPF_FUNC_lwt_seg6_adjust_srh; | |
6bdd533c SY |
142 | static int (*bpf_rc_repeat)(void *ctx) = |
143 | (void *) BPF_FUNC_rc_repeat; | |
144 | static int (*bpf_rc_keydown)(void *ctx, unsigned int protocol, | |
145 | unsigned long long scancode, unsigned int toggle) = | |
146 | (void *) BPF_FUNC_rc_keydown; | |
c7ddbbaf YS |
147 | static unsigned long long (*bpf_get_current_cgroup_id)(void) = |
148 | (void *) BPF_FUNC_get_current_cgroup_id; | |
d4c9f573 RG |
149 | static void *(*bpf_get_local_storage)(void *map, unsigned long long flags) = |
150 | (void *) BPF_FUNC_get_local_storage; | |
02f6ac74 AI |
151 | static unsigned long long (*bpf_skb_cgroup_id)(void *ctx) = |
152 | (void *) BPF_FUNC_skb_cgroup_id; | |
153 | static unsigned long long (*bpf_skb_ancestor_cgroup_id)(void *ctx, int level) = | |
154 | (void *) BPF_FUNC_skb_ancestor_cgroup_id; | |
6acc9b43 JS |
155 | static struct bpf_sock *(*bpf_sk_lookup_tcp)(void *ctx, |
156 | struct bpf_sock_tuple *tuple, | |
f71c6143 | 157 | int size, unsigned long long netns_id, |
6acc9b43 JS |
158 | unsigned long long flags) = |
159 | (void *) BPF_FUNC_sk_lookup_tcp; | |
160 | static struct bpf_sock *(*bpf_sk_lookup_udp)(void *ctx, | |
161 | struct bpf_sock_tuple *tuple, | |
f71c6143 | 162 | int size, unsigned long long netns_id, |
6acc9b43 JS |
163 | unsigned long long flags) = |
164 | (void *) BPF_FUNC_sk_lookup_udp; | |
165 | static int (*bpf_sk_release)(struct bpf_sock *sk) = | |
166 | (void *) BPF_FUNC_sk_release; | |
4f775448 JDB |
167 | static int (*bpf_skb_vlan_push)(void *ctx, __be16 vlan_proto, __u16 vlan_tci) = |
168 | (void *) BPF_FUNC_skb_vlan_push; | |
169 | static int (*bpf_skb_vlan_pop)(void *ctx) = | |
170 | (void *) BPF_FUNC_skb_vlan_pop; | |
249b812d AS |
171 | |
172 | /* llvm builtin functions that eBPF C program may use to | |
173 | * emit BPF_LD_ABS and BPF_LD_IND instructions | |
174 | */ | |
175 | struct sk_buff; | |
176 | unsigned long long load_byte(void *skb, | |
177 | unsigned long long off) asm("llvm.bpf.load.byte"); | |
178 | unsigned long long load_half(void *skb, | |
179 | unsigned long long off) asm("llvm.bpf.load.half"); | |
180 | unsigned long long load_word(void *skb, | |
181 | unsigned long long off) asm("llvm.bpf.load.word"); | |
182 | ||
183 | /* a helper structure used by eBPF C program | |
184 | * to describe map attributes to elf_bpf loader | |
185 | */ | |
186 | struct bpf_map_def { | |
187 | unsigned int type; | |
188 | unsigned int key_size; | |
189 | unsigned int value_size; | |
190 | unsigned int max_entries; | |
89b97607 | 191 | unsigned int map_flags; |
fb30d4b7 | 192 | unsigned int inner_map_idx; |
ad17d0e6 | 193 | unsigned int numa_node; |
249b812d AS |
194 | }; |
195 | ||
38d5d3b3 MKL |
196 | #define BPF_ANNOTATE_KV_PAIR(name, type_key, type_val) \ |
197 | struct ____btf_map_##name { \ | |
198 | type_key key; \ | |
199 | type_val value; \ | |
200 | }; \ | |
201 | struct ____btf_map_##name \ | |
202 | __attribute__ ((section(".maps." #name), used)) \ | |
203 | ____btf_map_##name = { } | |
204 | ||
f74599f7 TG |
205 | static int (*bpf_skb_load_bytes)(void *ctx, int off, void *to, int len) = |
206 | (void *) BPF_FUNC_skb_load_bytes; | |
91134d84 MKL |
207 | static int (*bpf_skb_load_bytes_relative)(void *ctx, int off, void *to, int len, __u32 start_header) = |
208 | (void *) BPF_FUNC_skb_load_bytes_relative; | |
91bc4822 AS |
209 | static int (*bpf_skb_store_bytes)(void *ctx, int off, void *from, int len, int flags) = |
210 | (void *) BPF_FUNC_skb_store_bytes; | |
211 | static int (*bpf_l3_csum_replace)(void *ctx, int off, int from, int to, int flags) = | |
212 | (void *) BPF_FUNC_l3_csum_replace; | |
213 | static int (*bpf_l4_csum_replace)(void *ctx, int off, int from, int to, int flags) = | |
214 | (void *) BPF_FUNC_l4_csum_replace; | |
c6ffd1ff NS |
215 | static int (*bpf_csum_diff)(void *from, int from_size, void *to, int to_size, int seed) = |
216 | (void *) BPF_FUNC_csum_diff; | |
747ea55e DB |
217 | static int (*bpf_skb_under_cgroup)(void *ctx, void *map, int index) = |
218 | (void *) BPF_FUNC_skb_under_cgroup; | |
f74599f7 TG |
219 | static int (*bpf_skb_change_head)(void *, int len, int flags) = |
220 | (void *) BPF_FUNC_skb_change_head; | |
82a86168 JF |
221 | static int (*bpf_skb_pull_data)(void *, int len) = |
222 | (void *) BPF_FUNC_skb_pull_data; | |
91bc4822 | 223 | |
b655fc1c JF |
224 | /* Scan the ARCH passed in from ARCH env variable (see Makefile) */ |
225 | #if defined(__TARGET_ARCH_x86) | |
226 | #define bpf_target_x86 | |
227 | #define bpf_target_defined | |
228 | #elif defined(__TARGET_ARCH_s930x) | |
229 | #define bpf_target_s930x | |
230 | #define bpf_target_defined | |
231 | #elif defined(__TARGET_ARCH_arm64) | |
232 | #define bpf_target_arm64 | |
233 | #define bpf_target_defined | |
234 | #elif defined(__TARGET_ARCH_mips) | |
235 | #define bpf_target_mips | |
236 | #define bpf_target_defined | |
237 | #elif defined(__TARGET_ARCH_powerpc) | |
238 | #define bpf_target_powerpc | |
239 | #define bpf_target_defined | |
240 | #elif defined(__TARGET_ARCH_sparc) | |
241 | #define bpf_target_sparc | |
242 | #define bpf_target_defined | |
243 | #else | |
244 | #undef bpf_target_defined | |
245 | #endif | |
246 | ||
247 | /* Fall back to what the compiler says */ | |
248 | #ifndef bpf_target_defined | |
d912557b | 249 | #if defined(__x86_64__) |
b655fc1c JF |
250 | #define bpf_target_x86 |
251 | #elif defined(__s390x__) | |
252 | #define bpf_target_s930x | |
253 | #elif defined(__aarch64__) | |
254 | #define bpf_target_arm64 | |
255 | #elif defined(__mips__) | |
256 | #define bpf_target_mips | |
257 | #elif defined(__powerpc__) | |
258 | #define bpf_target_powerpc | |
259 | #elif defined(__sparc__) | |
260 | #define bpf_target_sparc | |
261 | #endif | |
262 | #endif | |
263 | ||
264 | #if defined(bpf_target_x86) | |
d912557b MH |
265 | |
266 | #define PT_REGS_PARM1(x) ((x)->di) | |
267 | #define PT_REGS_PARM2(x) ((x)->si) | |
268 | #define PT_REGS_PARM3(x) ((x)->dx) | |
269 | #define PT_REGS_PARM4(x) ((x)->cx) | |
270 | #define PT_REGS_PARM5(x) ((x)->r8) | |
271 | #define PT_REGS_RET(x) ((x)->sp) | |
272 | #define PT_REGS_FP(x) ((x)->bp) | |
273 | #define PT_REGS_RC(x) ((x)->ax) | |
274 | #define PT_REGS_SP(x) ((x)->sp) | |
138d6153 | 275 | #define PT_REGS_IP(x) ((x)->ip) |
d912557b | 276 | |
b655fc1c | 277 | #elif defined(bpf_target_s390x) |
d912557b MH |
278 | |
279 | #define PT_REGS_PARM1(x) ((x)->gprs[2]) | |
280 | #define PT_REGS_PARM2(x) ((x)->gprs[3]) | |
281 | #define PT_REGS_PARM3(x) ((x)->gprs[4]) | |
282 | #define PT_REGS_PARM4(x) ((x)->gprs[5]) | |
283 | #define PT_REGS_PARM5(x) ((x)->gprs[6]) | |
284 | #define PT_REGS_RET(x) ((x)->gprs[14]) | |
285 | #define PT_REGS_FP(x) ((x)->gprs[11]) /* Works only with CONFIG_FRAME_POINTER */ | |
286 | #define PT_REGS_RC(x) ((x)->gprs[2]) | |
287 | #define PT_REGS_SP(x) ((x)->gprs[15]) | |
2dbb4c05 | 288 | #define PT_REGS_IP(x) ((x)->psw.addr) |
d912557b | 289 | |
b655fc1c | 290 | #elif defined(bpf_target_arm64) |
85ff8a43 YS |
291 | |
292 | #define PT_REGS_PARM1(x) ((x)->regs[0]) | |
293 | #define PT_REGS_PARM2(x) ((x)->regs[1]) | |
294 | #define PT_REGS_PARM3(x) ((x)->regs[2]) | |
295 | #define PT_REGS_PARM4(x) ((x)->regs[3]) | |
296 | #define PT_REGS_PARM5(x) ((x)->regs[4]) | |
297 | #define PT_REGS_RET(x) ((x)->regs[30]) | |
298 | #define PT_REGS_FP(x) ((x)->regs[29]) /* Works only with CONFIG_FRAME_POINTER */ | |
299 | #define PT_REGS_RC(x) ((x)->regs[0]) | |
300 | #define PT_REGS_SP(x) ((x)->sp) | |
138d6153 NR |
301 | #define PT_REGS_IP(x) ((x)->pc) |
302 | ||
b655fc1c | 303 | #elif defined(bpf_target_mips) |
c1932cdb DD |
304 | |
305 | #define PT_REGS_PARM1(x) ((x)->regs[4]) | |
306 | #define PT_REGS_PARM2(x) ((x)->regs[5]) | |
307 | #define PT_REGS_PARM3(x) ((x)->regs[6]) | |
308 | #define PT_REGS_PARM4(x) ((x)->regs[7]) | |
309 | #define PT_REGS_PARM5(x) ((x)->regs[8]) | |
310 | #define PT_REGS_RET(x) ((x)->regs[31]) | |
311 | #define PT_REGS_FP(x) ((x)->regs[30]) /* Works only with CONFIG_FRAME_POINTER */ | |
312 | #define PT_REGS_RC(x) ((x)->regs[1]) | |
313 | #define PT_REGS_SP(x) ((x)->regs[29]) | |
314 | #define PT_REGS_IP(x) ((x)->cp0_epc) | |
315 | ||
b655fc1c | 316 | #elif defined(bpf_target_powerpc) |
138d6153 NR |
317 | |
318 | #define PT_REGS_PARM1(x) ((x)->gpr[3]) | |
319 | #define PT_REGS_PARM2(x) ((x)->gpr[4]) | |
320 | #define PT_REGS_PARM3(x) ((x)->gpr[5]) | |
321 | #define PT_REGS_PARM4(x) ((x)->gpr[6]) | |
322 | #define PT_REGS_PARM5(x) ((x)->gpr[7]) | |
323 | #define PT_REGS_RC(x) ((x)->gpr[3]) | |
324 | #define PT_REGS_SP(x) ((x)->sp) | |
325 | #define PT_REGS_IP(x) ((x)->nip) | |
85ff8a43 | 326 | |
b655fc1c | 327 | #elif defined(bpf_target_sparc) |
b0c47807 DM |
328 | |
329 | #define PT_REGS_PARM1(x) ((x)->u_regs[UREG_I0]) | |
330 | #define PT_REGS_PARM2(x) ((x)->u_regs[UREG_I1]) | |
331 | #define PT_REGS_PARM3(x) ((x)->u_regs[UREG_I2]) | |
332 | #define PT_REGS_PARM4(x) ((x)->u_regs[UREG_I3]) | |
333 | #define PT_REGS_PARM5(x) ((x)->u_regs[UREG_I4]) | |
334 | #define PT_REGS_RET(x) ((x)->u_regs[UREG_I7]) | |
335 | #define PT_REGS_RC(x) ((x)->u_regs[UREG_I0]) | |
336 | #define PT_REGS_SP(x) ((x)->u_regs[UREG_FP]) | |
b655fc1c JF |
337 | |
338 | /* Should this also be a bpf_target check for the sparc case? */ | |
b0c47807 DM |
339 | #if defined(__arch64__) |
340 | #define PT_REGS_IP(x) ((x)->tpc) | |
341 | #else | |
342 | #define PT_REGS_IP(x) ((x)->pc) | |
343 | #endif | |
344 | ||
d912557b | 345 | #endif |
138d6153 | 346 | |
b655fc1c | 347 | #ifdef bpf_target_powerpc |
138d6153 NR |
348 | #define BPF_KPROBE_READ_RET_IP(ip, ctx) ({ (ip) = (ctx)->link; }) |
349 | #define BPF_KRETPROBE_READ_RET_IP BPF_KPROBE_READ_RET_IP | |
b655fc1c | 350 | #elif bpf_target_sparc |
b0c47807 DM |
351 | #define BPF_KPROBE_READ_RET_IP(ip, ctx) ({ (ip) = PT_REGS_RET(ctx); }) |
352 | #define BPF_KRETPROBE_READ_RET_IP BPF_KPROBE_READ_RET_IP | |
138d6153 NR |
353 | #else |
354 | #define BPF_KPROBE_READ_RET_IP(ip, ctx) ({ \ | |
355 | bpf_probe_read(&(ip), sizeof(ip), (void *)PT_REGS_RET(ctx)); }) | |
356 | #define BPF_KRETPROBE_READ_RET_IP(ip, ctx) ({ \ | |
357 | bpf_probe_read(&(ip), sizeof(ip), \ | |
358 | (void *)(PT_REGS_FP(ctx) + sizeof(ip))); }) | |
359 | #endif | |
360 | ||
249b812d | 361 | #endif |