Lines Matching refs:insn
17 const struct bpf_insn *insn,
22 if (!insn->src_reg &&
23 insn->imm >= 0 && insn->imm < __BPF_FUNC_MAX_ID &&
24 func_id_str[insn->imm])
25 return func_id_str[insn->imm];
30 res = cbs->cb_call(cbs->private_data, insn);
35 if (insn->src_reg == BPF_PSEUDO_CALL)
36 snprintf(buff, len, "%+d", insn->imm);
37 else if (insn->src_reg == BPF_PSEUDO_KFUNC_CALL)
44 const struct bpf_insn *insn,
48 return cbs->cb_imm(cbs->private_data, insn, full_imm);
140 const struct bpf_insn *insn)
143 insn->code, insn->dst_reg,
144 BPF_SRC(insn->code) == BPF_TO_BE ? "be" : "le",
145 insn->imm, insn->dst_reg);
150 const struct bpf_insn *insn)
153 insn->code, insn->dst_reg,
154 insn->imm, insn->dst_reg);
157 static bool is_sdiv_smod(const struct bpf_insn *insn)
159 return (BPF_OP(insn->code) == BPF_DIV || BPF_OP(insn->code) == BPF_MOD) &&
160 insn->off == 1;
163 static bool is_movsx(const struct bpf_insn *insn)
165 return BPF_OP(insn->code) == BPF_MOV &&
166 (insn->off == 8 || insn->off == 16 || insn->off == 32);
169 static bool is_addr_space_cast(const struct bpf_insn *insn)
171 return insn->code == (BPF_ALU64 | BPF_MOV | BPF_X) &&
172 insn->off == BPF_ADDR_SPACE_CAST;
177 * BPF_ADDR_PERCPU is used as a special insn->off value.
181 static inline bool is_mov_percpu_addr(const struct bpf_insn *insn)
183 return insn->code == (BPF_ALU64 | BPF_MOV | BPF_X) && insn->off == BPF_ADDR_PERCPU;
187 const struct bpf_insn *insn,
191 u8 class = BPF_CLASS(insn->code);
194 if (BPF_OP(insn->code) == BPF_END) {
196 print_bpf_bswap_insn(verbose, cbs->private_data, insn);
198 print_bpf_end_insn(verbose, cbs->private_data, insn);
199 } else if (BPF_OP(insn->code) == BPF_NEG) {
201 insn->code, class == BPF_ALU ? 'w' : 'r',
202 insn->dst_reg, class == BPF_ALU ? 'w' : 'r',
203 insn->dst_reg);
204 } else if (is_addr_space_cast(insn)) {
206 insn->code, insn->dst_reg,
207 insn->src_reg, ((u32)insn->imm) >> 16, (u16)insn->imm);
208 } else if (is_mov_percpu_addr(insn)) {
210 insn->code, insn->dst_reg, insn->src_reg);
211 } else if (BPF_SRC(insn->code) == BPF_X) {
213 insn->code, class == BPF_ALU ? 'w' : 'r',
214 insn->dst_reg,
215 is_sdiv_smod(insn) ? bpf_alu_sign_string[BPF_OP(insn->code) >> 4]
216 : bpf_alu_string[BPF_OP(insn->code) >> 4],
217 is_movsx(insn) ? bpf_movsx_string[(insn->off >> 3) - 1] : "",
219 insn->src_reg);
222 insn->code, class == BPF_ALU ? 'w' : 'r',
223 insn->dst_reg,
224 is_sdiv_smod(insn) ? bpf_alu_sign_string[BPF_OP(insn->code) >> 4]
225 : bpf_alu_string[BPF_OP(insn->code) >> 4],
226 insn->imm);
229 if (BPF_MODE(insn->code) == BPF_MEM)
231 insn->code,
232 bpf_ldst_string[BPF_SIZE(insn->code) >> 3],
233 insn->dst_reg,
234 insn->off, insn->src_reg);
235 else if (BPF_MODE(insn->code) == BPF_ATOMIC &&
236 (insn->imm == BPF_ADD || insn->imm == BPF_AND ||
237 insn->imm == BPF_OR || insn->imm == BPF_XOR)) {
239 insn->code,
240 bpf_ldst_string[BPF_SIZE(insn->code) >> 3],
241 insn->dst_reg, insn->off,
242 bpf_alu_string[BPF_OP(insn->imm) >> 4],
243 insn->src_reg);
244 } else if (BPF_MODE(insn->code) == BPF_ATOMIC &&
245 (insn->imm == (BPF_ADD | BPF_FETCH) ||
246 insn->imm == (BPF_AND | BPF_FETCH) ||
247 insn->imm == (BPF_OR | BPF_FETCH) ||
248 insn->imm == (BPF_XOR | BPF_FETCH))) {
250 insn->code, insn->src_reg,
251 BPF_SIZE(insn->code) == BPF_DW ? "64" : "",
252 bpf_atomic_alu_string[BPF_OP(insn->imm) >> 4],
253 bpf_ldst_string[BPF_SIZE(insn->code) >> 3],
254 insn->dst_reg, insn->off, insn->src_reg);
255 } else if (BPF_MODE(insn->code) == BPF_ATOMIC &&
256 insn->imm == BPF_CMPXCHG) {
258 insn->code,
259 BPF_SIZE(insn->code) == BPF_DW ? "64" : "",
260 bpf_ldst_string[BPF_SIZE(insn->code) >> 3],
261 insn->dst_reg, insn->off,
262 insn->src_reg);
263 } else if (BPF_MODE(insn->code) == BPF_ATOMIC &&
264 insn->imm == BPF_XCHG) {
266 insn->code, insn->src_reg,
267 BPF_SIZE(insn->code) == BPF_DW ? "64" : "",
268 bpf_ldst_string[BPF_SIZE(insn->code) >> 3],
269 insn->dst_reg, insn->off, insn->src_reg);
270 } else if (BPF_MODE(insn->code) == BPF_ATOMIC &&
271 insn->imm == BPF_LOAD_ACQ) {
273 insn->code, insn->dst_reg,
274 bpf_ldst_string[BPF_SIZE(insn->code) >> 3],
275 insn->src_reg, insn->off);
276 } else if (BPF_MODE(insn->code) == BPF_ATOMIC &&
277 insn->imm == BPF_STORE_REL) {
279 insn->code,
280 bpf_ldst_string[BPF_SIZE(insn->code) >> 3],
281 insn->dst_reg, insn->off, insn->src_reg);
283 verbose(cbs->private_data, "BUG_%02x\n", insn->code);
286 if (BPF_MODE(insn->code) == BPF_MEM) {
288 insn->code,
289 bpf_ldst_string[BPF_SIZE(insn->code) >> 3],
290 insn->dst_reg,
291 insn->off, insn->imm);
292 } else if (BPF_MODE(insn->code) == 0xc0 /* BPF_NOSPEC, no UAPI */) {
293 verbose(cbs->private_data, "(%02x) nospec\n", insn->code);
295 verbose(cbs->private_data, "BUG_st_%02x\n", insn->code);
298 if (BPF_MODE(insn->code) != BPF_MEM && BPF_MODE(insn->code) != BPF_MEMSX) {
299 verbose(cbs->private_data, "BUG_ldx_%02x\n", insn->code);
303 insn->code, insn->dst_reg,
304 BPF_MODE(insn->code) == BPF_MEM ?
305 bpf_ldst_string[BPF_SIZE(insn->code) >> 3] :
306 bpf_ldsx_string[BPF_SIZE(insn->code) >> 3],
307 insn->src_reg, insn->off);
309 if (BPF_MODE(insn->code) == BPF_ABS) {
311 insn->code,
312 bpf_ldst_string[BPF_SIZE(insn->code) >> 3],
313 insn->imm);
314 } else if (BPF_MODE(insn->code) == BPF_IND) {
316 insn->code,
317 bpf_ldst_string[BPF_SIZE(insn->code) >> 3],
318 insn->src_reg, insn->imm);
319 } else if (BPF_MODE(insn->code) == BPF_IMM &&
320 BPF_SIZE(insn->code) == BPF_DW) {
322 * part of the ldimm64 insn is accessible.
324 u64 imm = ((u64)(insn + 1)->imm << 32) | (u32)insn->imm;
325 bool is_ptr = insn->src_reg == BPF_PSEUDO_MAP_FD ||
326 insn->src_reg == BPF_PSEUDO_MAP_VALUE;
333 insn->code, insn->dst_reg,
334 __func_imm_name(cbs, insn, imm,
337 verbose(cbs->private_data, "BUG_ld_%02x\n", insn->code);
341 u8 opcode = BPF_OP(insn->code);
346 if (insn->src_reg == BPF_PSEUDO_CALL) {
348 insn->code,
349 __func_get_name(cbs, insn,
353 verbose(cbs->private_data, "(%02x) call %s#%d\n", insn->code,
354 __func_get_name(cbs, insn,
356 insn->imm);
358 } else if (insn->code == (BPF_JMP | BPF_JA)) {
360 insn->code, insn->off);
361 } else if (insn->code == (BPF_JMP | BPF_JCOND) &&
362 insn->src_reg == BPF_MAY_GOTO) {
364 insn->code, insn->off);
365 } else if (insn->code == (BPF_JMP32 | BPF_JA)) {
367 insn->code, insn->imm);
368 } else if (insn->code == (BPF_JMP | BPF_EXIT)) {
369 verbose(cbs->private_data, "(%02x) exit\n", insn->code);
370 } else if (BPF_SRC(insn->code) == BPF_X) {
373 insn->code, class == BPF_JMP32 ? 'w' : 'r',
374 insn->dst_reg,
375 bpf_jmp_string[BPF_OP(insn->code) >> 4],
377 insn->src_reg, insn->off);
381 insn->code, class == BPF_JMP32 ? 'w' : 'r',
382 insn->dst_reg,
383 bpf_jmp_string[BPF_OP(insn->code) >> 4],
384 (u32)insn->imm, insn->off);
388 insn->code, bpf_class_string[class]);