Lines Matching +full:class +full:- +full:d
1 // SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2 /* Copyright (c) 2011-2014 PLUMgrid, http://plumgrid.com
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];
27 if (cbs && cbs->cb_call) {
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)
38 snprintf(buff, len, "kernel-function");
47 if (cbs && cbs->cb_imm)
48 return cbs->cb_imm(cbs->private_data, insn, full_imm);
75 [BPF_SUB >> 4] = "-=",
142 verbose(private_data, "(%02x) r%d = %s%d r%d\n",
143 insn->code, insn->dst_reg,
144 BPF_SRC(insn->code) == BPF_TO_BE ? "be" : "le",
145 insn->imm, insn->dst_reg);
152 verbose(private_data, "(%02x) r%d = bswap%d r%d\n",
153 insn->code, insn->dst_reg,
154 insn->imm, insn->dst_reg);
159 return (BPF_OP(insn->code) == BPF_DIV || BPF_OP(insn->code) == BPF_MOD) &&
160 insn->off == 1;
165 return BPF_OP(insn->code) == BPF_MOV &&
166 (insn->off == 8 || insn->off == 16 || insn->off == 32);
171 return insn->code == (BPF_ALU64 | BPF_MOV | BPF_X) &&
172 insn->off == BPF_ADDR_SPACE_CAST;
175 /* Special (internal-only) form of mov, used to resolve per-CPU addrs:
177 * BPF_ADDR_PERCPU is used as a special insn->off value.
179 #define BPF_ADDR_PERCPU (-1)
183 return insn->code == (BPF_ALU64 | BPF_MOV | BPF_X) && insn->off == BPF_ADDR_PERCPU;
190 const bpf_insn_print_t verbose = cbs->cb_print;
191 u8 class = BPF_CLASS(insn->code);
193 if (class == BPF_ALU || class == BPF_ALU64) {
194 if (BPF_OP(insn->code) == BPF_END) {
195 if (class == BPF_ALU64)
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) {
200 verbose(cbs->private_data, "(%02x) %c%d = -%c%d\n",
201 insn->code, class == BPF_ALU ? 'w' : 'r',
202 insn->dst_reg, class == BPF_ALU ? 'w' : 'r',
203 insn->dst_reg);
205 verbose(cbs->private_data, "(%02x) r%d = addr_space_cast(r%d, %u, %u)\n",
206 insn->code, insn->dst_reg,
207 insn->src_reg, ((u32)insn->imm) >> 16, (u16)insn->imm);
209 verbose(cbs->private_data, "(%02x) r%d = &(void __percpu *)(r%d)\n",
210 insn->code, insn->dst_reg, insn->src_reg);
211 } else if (BPF_SRC(insn->code) == BPF_X) {
212 verbose(cbs->private_data, "(%02x) %c%d %s %s%c%d\n",
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] : "",
218 class == BPF_ALU ? 'w' : 'r',
219 insn->src_reg);
221 verbose(cbs->private_data, "(%02x) %c%d %s %d\n",
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);
228 } else if (class == BPF_STX) {
229 if (BPF_MODE(insn->code) == BPF_MEM)
230 verbose(cbs->private_data, "(%02x) *(%s *)(r%d %+d) = r%d\n",
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)) {
238 verbose(cbs->private_data, "(%02x) lock *(%s *)(r%d %+d) %s r%d\n",
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))) {
249 verbose(cbs->private_data, "(%02x) r%d = atomic%s_fetch_%s((%s *)(r%d %+d), r%d)\n",
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) {
257 verbose(cbs->private_data, "(%02x) r0 = atomic%s_cmpxchg((%s *)(r%d %+d), r0, r%d)\n",
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) {
265 verbose(cbs->private_data, "(%02x) r%d = atomic%s_xchg((%s *)(r%d %+d), r%d)\n",
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) {
272 verbose(cbs->private_data, "(%02x) r%d = load_acquire((%s *)(r%d %+d))\n",
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) {
278 verbose(cbs->private_data, "(%02x) store_release((%s *)(r%d %+d), r%d)\n",
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);
285 } else if (class == BPF_ST) {
286 if (BPF_MODE(insn->code) == BPF_MEM) {
287 verbose(cbs->private_data, "(%02x) *(%s *)(r%d %+d) = %d\n",
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);
297 } else if (class == BPF_LDX) {
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);
302 verbose(cbs->private_data, "(%02x) r%d = *(%s *)(r%d %+d)\n",
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);
308 } else if (class == BPF_LD) {
309 if (BPF_MODE(insn->code) == BPF_ABS) {
310 verbose(cbs->private_data, "(%02x) r0 = *(%s *)skb[%d]\n",
311 insn->code,
312 bpf_ldst_string[BPF_SIZE(insn->code) >> 3],
313 insn->imm);
314 } else if (BPF_MODE(insn->code) == BPF_IND) {
315 verbose(cbs->private_data, "(%02x) r0 = *(%s *)skb[r%d + %d]\n",
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) {
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;
332 verbose(cbs->private_data, "(%02x) r%d = %s\n",
333 insn->code, insn->dst_reg,
337 verbose(cbs->private_data, "BUG_ld_%02x\n", insn->code);
340 } else if (class == BPF_JMP32 || class == BPF_JMP) {
341 u8 opcode = BPF_OP(insn->code);
346 if (insn->src_reg == BPF_PSEUDO_CALL) {
347 verbose(cbs->private_data, "(%02x) call pc%s\n",
348 insn->code,
353 verbose(cbs->private_data, "(%02x) call %s#%d\n", insn->code,
356 insn->imm);
358 } else if (insn->code == (BPF_JMP | BPF_JA)) {
359 verbose(cbs->private_data, "(%02x) goto pc%+d\n",
360 insn->code, insn->off);
361 } else if (insn->code == (BPF_JMP | BPF_JCOND) &&
362 insn->src_reg == BPF_MAY_GOTO) {
363 verbose(cbs->private_data, "(%02x) may_goto pc%+d\n",
364 insn->code, insn->off);
365 } else if (insn->code == (BPF_JMP32 | BPF_JA)) {
366 verbose(cbs->private_data, "(%02x) gotol pc%+d\n",
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) {
371 verbose(cbs->private_data,
372 "(%02x) if %c%d %s %c%d goto pc%+d\n",
373 insn->code, class == BPF_JMP32 ? 'w' : 'r',
374 insn->dst_reg,
375 bpf_jmp_string[BPF_OP(insn->code) >> 4],
376 class == BPF_JMP32 ? 'w' : 'r',
377 insn->src_reg, insn->off);
379 verbose(cbs->private_data,
380 "(%02x) if %c%d %s 0x%x goto pc%+d\n",
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);
387 verbose(cbs->private_data, "(%02x) %s\n",
388 insn->code, bpf_class_string[class]);