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1# RUN: llvm-mc -triple bpfel -filetype=obj -o %t %s2# RUN: llvm-objdump --no-print-imm-hex -d -r %t | FileCheck --check-prefixes CHECK,CHECK-64 %s3# RUN: llvm-objdump --no-print-imm-hex --mattr=+alu32 -d -r %t | FileCheck --check-prefixes CHECK,CHECK-32 %s4 5// ======== BPF_LD Class ========6// Some extra whitespaces are deliberately added to test the parser.7 8 r0 = * (u8 *)skb[0] // BPF_LD | BPF_ABS | BPF_B9 r0 = *(u16 *)skb[2] // BPF_LD | BPF_ABS | BPF_H10 r0 = * (u32*)skb[4] // BPF_LD | BPF_ABS | BPF_W11// CHECK: 30 00 00 00 00 00 00 00 r0 = *(u8 *)skb[0]12// CHECK: 28 00 00 00 02 00 00 00 r0 = *(u16 *)skb[2]13// CHECK: 20 00 00 00 04 00 00 00 r0 = *(u32 *)skb[4]14 15 r0 = * (u8 *)skb[r0] // BPF_LD | BPF_IND | BPF_B16 r0 = * (u16 *)skb[r1] // BPF_LD | BPF_IND | BPF_H17 r0 = *(u32 *)skb[r2] // BPF_LD | BPF_IND | BPF_W18// CHECK: 50 00 00 00 00 00 00 00 r0 = *(u8 *)skb[r0]19// CHECK: 48 10 00 00 00 00 00 00 r0 = *(u16 *)skb[r1]20// CHECK: 40 20 00 00 00 00 00 00 r0 = *(u32 *)skb[r2]21 22 r9 = 0xffffffff ll // BPF_LD | BPF_DW | BPF_IMM23 r9 = 8589934591 ll // BPF_LD | BPF_DW | BPF_IMM24 r9 = 0x1ffffffff ll // BPF_LD | BPF_DW | BPF_IMM25 r9 = dummy_map ll // BPF_LD | BPF_DW | BPF_IMM26// CHECK: 18 09 00 00 ff ff ff ff 00 00 00 00 00 00 00 00 r9 = 4294967295 ll27// CHECK: 18 09 00 00 ff ff ff ff 00 00 00 00 01 00 00 00 r9 = 8589934591 ll28// CHECK: 18 09 00 00 ff ff ff ff 00 00 00 00 01 00 00 00 r9 = 8589934591 ll29// CHECK: 18 09 00 00 00 00 00 00 00 00 00 00 00 00 00 00 r9 = 0 ll30// CHECK: 0000000000000060: R_BPF_64_64 dummy_map31 32// ======== BPF_LDX Class ========33 r5 = *(u8 *)(r0 + 0) // BPF_LDX | BPF_B34 r6 = *(u16 *)(r1 + 8) // BPF_LDX | BPF_H35 r7 = *(u32 *)(r2 + 16) // BPF_LDX | BPF_W36 r8 = *(u64 *)(r3 - 30) // BPF_LDX | BPF_DW37// CHECK-64: 71 05 00 00 00 00 00 00 w5 = *(u8 *)(r0 + 0)38// CHECK-64: 69 16 08 00 00 00 00 00 w6 = *(u16 *)(r1 + 8)39// CHECK-64: 61 27 10 00 00 00 00 00 w7 = *(u32 *)(r2 + 16)40// CHECK-32: 71 05 00 00 00 00 00 00 w5 = *(u8 *)(r0 + 0)41// CHECK-32: 69 16 08 00 00 00 00 00 w6 = *(u16 *)(r1 + 8)42// CHECK-32: 61 27 10 00 00 00 00 00 w7 = *(u32 *)(r2 + 16)43// CHECK: 79 38 e2 ff 00 00 00 00 r8 = *(u64 *)(r3 - 30)44 45// ======== BPF_STX Class ========46 *(u8 *)(r0 + 0) = r7 // BPF_STX | BPF_B47 *(u16 *)(r1 + 8) = r8 // BPF_STX | BPF_H48 *(u32 *)(r2 + 16) = r9 // BPF_STX | BPF_W49 *(u64 *)(r3 - 30) = r10 // BPF_STX | BPF_DW50// CHECK-64: 73 70 00 00 00 00 00 00 *(u8 *)(r0 + 0) = w751// CHECK-64: 6b 81 08 00 00 00 00 00 *(u16 *)(r1 + 8) = w852// CHECK-64: 63 92 10 00 00 00 00 00 *(u32 *)(r2 + 16) = w953// CHECK-32: 73 70 00 00 00 00 00 00 *(u8 *)(r0 + 0) = w754// CHECK-32: 6b 81 08 00 00 00 00 00 *(u16 *)(r1 + 8) = w855// CHECK-32: 63 92 10 00 00 00 00 00 *(u32 *)(r2 + 16) = w956// CHECK: 7b a3 e2 ff 00 00 00 00 *(u64 *)(r3 - 30) = r1057 58 lock *(u32 *)(r2 + 16) += r9 // BPF_STX | BPF_W | BPF_XADD59 lock *(u64 *)(r3 - 30) += r10 // BPF_STX | BPF_DW | BPF_XADD60// CHECK-64: c3 92 10 00 00 00 00 00 lock *(u32 *)(r2 + 16) += w961// CHECK-32: c3 92 10 00 00 00 00 00 lock *(u32 *)(r2 + 16) += w962// CHECK: db a3 e2 ff 00 00 00 00 lock *(u64 *)(r3 - 30) += r1063 64 callx r265// CHECK: 8d 02 00 00 00 00 00 00 callx r266 67// ======== BPF_JMP Class ========68 may_goto Llabel0 // BPF_JCOND | BPF_K69 if r1 & r2 goto Llabel0 // BPF_JSET | BPF_X70 if r1 & 0xffff goto Llabel0 // BPF_JSET | BPF_K71// CHECK: e5 00 1e 00 00 00 00 00 may_goto +3072// CHECK: 4d 21 1d 00 00 00 00 00 if r1 & r2 goto +2973// CHECK: 45 01 1c 00 ff ff 00 00 if r1 & 65535 goto +2874 75 goto Llabel0 // BPF_JA76 call 1 // BPF_CALL77 exit // BPF_EXIT78// CHECK: 05 00 1b 00 00 00 00 00 goto +2779// CHECK: 85 00 00 00 01 00 00 00 call 180// CHECK: 95 00 00 00 00 00 00 00 exit81 82 if r0 == r1 goto Llabel0 // BPF_JEQ | BPF_X83 if r3 != r4 goto Llabel0 // BPF_JNE | BPF_X84// CHECK: 1d 10 18 00 00 00 00 00 if r0 == r1 goto +2485// CHECK: 5d 43 17 00 00 00 00 00 if r3 != r4 goto +2386 87 if r1 > r2 goto Llabel0 // BPF_JGT | BPF_X88 if r2 >= r3 goto Llabel0 // BPF_JGE | BPF_X89 if r4 s> r5 goto Llabel0 // BPF_JSGT | BPF_X90 if r5 s>= r6 goto Llabel0 // BPF_JSGE | BPF_X91// CHECK: 2d 21 16 00 00 00 00 00 if r1 > r2 goto +2292// CHECK: 3d 32 15 00 00 00 00 00 if r2 >= r3 goto +2193// CHECK: 6d 54 14 00 00 00 00 00 if r4 s> r5 goto +2094// CHECK: 7d 65 13 00 00 00 00 00 if r5 s>= r6 goto +1995 96 if r6 < r7 goto Llabel0 // BPF_JLT | BPF_X97 if r7 <= r8 goto Llabel0 // BPF_JLE | BPF_X98 if r8 s< r9 goto Llabel0 // BPF_JSLT | BPF_X99 if r9 s<= r10 goto Llabel0 // BPF_JSLE | BPF_X100// CHECK: ad 76 12 00 00 00 00 00 if r6 < r7 goto +18101// CHECK: bd 87 11 00 00 00 00 00 if r7 <= r8 goto +17102// CHECK: cd 98 10 00 00 00 00 00 if r8 s< r9 goto +16103// CHECK: dd a9 0f 00 00 00 00 00 if r9 s<= r10 goto +15104 105 if r0 == 0 goto Llabel0 // BPF_JEQ | BPF_K106 if r3 != -1 goto Llabel0 // BPF_JNE | BPF_K107// CHECK: 15 00 0e 00 00 00 00 00 if r0 == 0 goto +14108// CHECK: 55 03 0d 00 ff ff ff ff if r3 != -1 goto +13109 110 if r1 > 64 goto Llabel0 // BPF_JGT | BPF_K111 if r2 >= 0xffffffff goto Llabel0 // BPF_JGE | BPF_K112 if r4 s> 0xffffffff goto Llabel0 // BPF_JSGT | BPF_K113 if r5 s>= 0x7fffffff goto Llabel0 // BPF_JSGE | BPF_K114// CHECK: 25 01 0c 00 40 00 00 00 if r1 > 64 goto +12115// CHECK: 35 02 0b 00 ff ff ff ff if r2 >= -1 goto +11116// CHECK: 65 04 0a 00 ff ff ff ff if r4 s> -1 goto +10117// CHECK: 75 05 09 00 ff ff ff 7f if r5 s>= 2147483647 goto +9118 119 if r6 < 0xff goto Llabel0 // BPF_JLT | BPF_K120 if r7 <= 0xffff goto Llabel0 // BPF_JLE | BPF_K121 if r8 s< 0 goto Llabel0 // BPF_JSLT | BPF_K122 if r9 s<= -1 goto Llabel0 // BPF_JSLE | BPF_K123// CHECK: a5 06 08 00 ff 00 00 00 if r6 < 255 goto +8124// CHECK: b5 07 07 00 ff ff 00 00 if r7 <= 65535 goto +7125// CHECK: c5 08 06 00 00 00 00 00 if r8 s< 0 goto +6126// CHECK: d5 09 05 00 ff ff ff ff if r9 s<= -1 goto +5127 128// ======== BPF_ALU64 Class ========129 r0 += r1 // BPF_ADD | BPF_X130 r1 -= r2 // BPF_SUB | BPF_X131 r2 *= r3 // BPF_MUL | BPF_X132 r3 /= r4 // BPF_DIV | BPF_X133 r4 %= r5 // BPF_MOD | BPF_X134// CHECK: 0f 10 00 00 00 00 00 00 r0 += r1135// CHECK: 1f 21 00 00 00 00 00 00 r1 -= r2136// CHECK: 2f 32 00 00 00 00 00 00 r2 *= r3137// CHECK: 3f 43 00 00 00 00 00 00 r3 /= r4138// CHECK: 9f 54 00 00 00 00 00 00 r4 %= r5139 140Llabel0 :141 r2 = -r2 // BPF_NEG142 r4 |= r5 // BPF_OR | BPF_X143 r5 &= r6 // BPF_AND | BPF_X144 r6 <<= r7 // BPF_LSH | BPF_X145 r7 >>= r8 // BPF_RSH | BPF_X146 r8 ^= r9 // BPF_XOR | BPF_X147 r9 = r10 // BPF_MOV | BPF_X148 r10 s>>= r0 // BPF_ARSH | BPF_X149// CHECK: <Llabel0>:150// CHECK: 87 02 00 00 00 00 00 00 r2 = -r2151// CHECK: 4f 54 00 00 00 00 00 00 r4 |= r5152// CHECK: 5f 65 00 00 00 00 00 00 r5 &= r6153// CHECK: 6f 76 00 00 00 00 00 00 r6 <<= r7154// CHECK: 7f 87 00 00 00 00 00 00 r7 >>= r8155// CHECK: af 98 00 00 00 00 00 00 r8 ^= r9156// CHECK: bf a9 00 00 00 00 00 00 r9 = r10157// CHECK: cf 0a 00 00 00 00 00 00 r10 s>>= r0158 159 r1 = be16 r1 // BPF_END | BPF_TO_BE160 r2 = be32 r2 // BPF_END | BPF_TO_BE161 r3 = be64 r3 // BPF_END | BPF_TO_BE162// CHECK: dc 01 00 00 10 00 00 00 r1 = be16 r1163// CHECK: dc 02 00 00 20 00 00 00 r2 = be32 r2164// CHECK: dc 03 00 00 40 00 00 00 r3 = be64 r3165 166 r0 += 1 // BPF_ADD | BPF_K167 r1 -= 0x1 // BPF_SUB | BPF_K168 r2 *= -4 // BPF_MUL | BPF_K169 r3 /= 5 // BPF_DIV | BPF_K170 r4 %= 5 // BPF_MOD | BPF_K171// CHECK: 07 00 00 00 01 00 00 00 r0 += 1172// CHECK: 17 01 00 00 01 00 00 00 r1 -= 1173// CHECK: 27 02 00 00 fc ff ff ff r2 *= -4174// CHECK: 37 03 00 00 05 00 00 00 r3 /= 5175// CHECK: 97 04 00 00 05 00 00 00 r4 %= 5176 177 r4 |= 0xff // BPF_OR | BPF_K178 r5 &= 0xFF // BPF_AND | BPF_K179 r6 <<= 63 // BPF_LSH | BPF_K180 r7 >>= 32 // BPF_RSH | BPF_K181 r8 ^= 0 // BPF_XOR | BPF_K182 r9 = 1 // BPF_MOV | BPF_K183 r9 = 0xffffffff // BPF_MOV | BPF_K184 r10 s>>= 64 // BPF_ARSH | BPF_K185// CHECK: 47 04 00 00 ff 00 00 00 r4 |= 255186// CHECK: 57 05 00 00 ff 00 00 00 r5 &= 255187// CHECK: 67 06 00 00 3f 00 00 00 r6 <<= 63188// CHECK: 77 07 00 00 20 00 00 00 r7 >>= 32189// CHECK: a7 08 00 00 00 00 00 00 r8 ^= 0190// CHECK: b7 09 00 00 01 00 00 00 r9 = 1191// CHECK: b7 09 00 00 ff ff ff ff r9 = -1192// CHECK: c7 0a 00 00 40 00 00 00 r10 s>>= 64193