1# RUN: llvm-mc -triple bpfel -filetype=obj -o %t %s 2# RUN: llvm-objdump -d -r %t | FileCheck --check-prefixes CHECK,CHECK-64 %s 3# RUN: llvm-objdump -mattr=+alu32 -d -r %t | FileCheck --check-prefixes CHECK,CHECK-32 %s 4 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_B 9 r0 = *(u16 *)skb[2] // BPF_LD | BPF_ABS | BPF_H 10 r0 = * (u32*)skb[4] // BPF_LD | BPF_ABS | BPF_W 11// 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_B 16 r0 = * (u16 *)skb[r1] // BPF_LD | BPF_IND | BPF_H 17 r0 = *(u32 *)skb[r2] // BPF_LD | BPF_IND | BPF_W 18// 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_IMM 23 r9 = 8589934591 ll // BPF_LD | BPF_DW | BPF_IMM 24 r9 = 0x1ffffffff ll // BPF_LD | BPF_DW | BPF_IMM 25 r9 = dummy_map ll // BPF_LD | BPF_DW | BPF_IMM 26// CHECK: 18 09 00 00 ff ff ff ff 00 00 00 00 00 00 00 00 r9 = 4294967295 ll 27// CHECK: 18 09 00 00 ff ff ff ff 00 00 00 00 01 00 00 00 r9 = 8589934591 ll 28// CHECK: 18 09 00 00 ff ff ff ff 00 00 00 00 01 00 00 00 r9 = 8589934591 ll 29// CHECK: 18 09 00 00 00 00 00 00 00 00 00 00 00 00 00 00 r9 = 0 ll 30// CHECK: 0000000000000060: R_BPF_64_64 dummy_map 31 32// ======== BPF_LDX Class ======== 33 r5 = *(u8 *)(r0 + 0) // BPF_LDX | BPF_B 34 r6 = *(u16 *)(r1 + 8) // BPF_LDX | BPF_H 35 r7 = *(u32 *)(r2 + 16) // BPF_LDX | BPF_W 36 r8 = *(u64 *)(r3 - 30) // BPF_LDX | BPF_DW 37// CHECK-64: 71 05 00 00 00 00 00 00 r5 = *(u8 *)(r0 + 0) 38// CHECK-64: 69 16 08 00 00 00 00 00 r6 = *(u16 *)(r1 + 8) 39// CHECK-64: 61 27 10 00 00 00 00 00 r7 = *(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_B 47 *(u16 *)(r1 + 8) = r8 // BPF_STX | BPF_H 48 *(u32 *)(r2 + 16) = r9 // BPF_STX | BPF_W 49 *(u64 *)(r3 - 30) = r10 // BPF_STX | BPF_DW 50// CHECK-64: 73 70 00 00 00 00 00 00 *(u8 *)(r0 + 0) = r7 51// CHECK-64: 6b 81 08 00 00 00 00 00 *(u16 *)(r1 + 8) = r8 52// CHECK-64: 63 92 10 00 00 00 00 00 *(u32 *)(r2 + 16) = r9 53// CHECK-32: 73 70 00 00 00 00 00 00 *(u8 *)(r0 + 0) = w7 54// CHECK-32: 6b 81 08 00 00 00 00 00 *(u16 *)(r1 + 8) = w8 55// CHECK-32: 63 92 10 00 00 00 00 00 *(u32 *)(r2 + 16) = w9 56// CHECK: 7b a3 e2 ff 00 00 00 00 *(u64 *)(r3 - 30) = r10 57 58 lock *(u32 *)(r2 + 16) += r9 // BPF_STX | BPF_W | BPF_XADD 59 lock *(u64 *)(r3 - 30) += r10 // BPF_STX | BPF_DW | BPF_XADD 60// CHECK: c3 92 10 00 00 00 00 00 lock *(u32 *)(r2 + 16) += r9 61// CHECK: db a3 e2 ff 00 00 00 00 lock *(u64 *)(r3 - 30) += r10 62 63// ======== BPF_JMP Class ======== 64 goto Llabel0 // BPF_JA 65 call 1 // BPF_CALL 66 exit // BPF_EXIT 67// CHECK: 05 00 1a 00 00 00 00 00 goto +26 68// CHECK: 85 00 00 00 01 00 00 00 call 1 69// CHECK: 95 00 00 00 00 00 00 00 exit 70 71 if r0 == r1 goto Llabel0 // BPF_JEQ | BPF_X 72 if r3 != r4 goto Llabel0 // BPF_JNE | BPF_X 73// CHECK: 1d 10 17 00 00 00 00 00 if r0 == r1 goto +23 74// CHECK: 5d 43 16 00 00 00 00 00 if r3 != r4 goto +22 75 76 if r1 > r2 goto Llabel0 // BPF_JGT | BPF_X 77 if r2 >= r3 goto Llabel0 // BPF_JGE | BPF_X 78 if r4 s> r5 goto Llabel0 // BPF_JSGT | BPF_X 79 if r5 s>= r6 goto Llabel0 // BPF_JSGE | BPF_X 80// CHECK: 2d 21 15 00 00 00 00 00 if r1 > r2 goto +21 81// CHECK: 3d 32 14 00 00 00 00 00 if r2 >= r3 goto +20 82// CHECK: 6d 54 13 00 00 00 00 00 if r4 s> r5 goto +19 83// CHECK: 7d 65 12 00 00 00 00 00 if r5 s>= r6 goto +18 84 85 if r6 < r7 goto Llabel0 // BPF_JLT | BPF_X 86 if r7 <= r8 goto Llabel0 // BPF_JLE | BPF_X 87 if r8 s< r9 goto Llabel0 // BPF_JSLT | BPF_X 88 if r9 s<= r10 goto Llabel0 // BPF_JSLE | BPF_X 89// CHECK: ad 76 11 00 00 00 00 00 if r6 < r7 goto +17 90// CHECK: bd 87 10 00 00 00 00 00 if r7 <= r8 goto +16 91// CHECK: cd 98 0f 00 00 00 00 00 if r8 s< r9 goto +15 92// CHECK: dd a9 0e 00 00 00 00 00 if r9 s<= r10 goto +14 93 94 if r0 == 0 goto Llabel0 // BPF_JEQ | BPF_K 95 if r3 != -1 goto Llabel0 // BPF_JNE | BPF_K 96// CHECK: 15 00 0d 00 00 00 00 00 if r0 == 0 goto +13 97// CHECK: 55 03 0c 00 ff ff ff ff if r3 != -1 goto +12 98 99 if r1 > 64 goto Llabel0 // BPF_JGT | BPF_K 100 if r2 >= 0xffffffff goto Llabel0 // BPF_JGE | BPF_K 101 if r4 s> 0xffffffff goto Llabel0 // BPF_JSGT | BPF_K 102 if r5 s>= 0x7fffffff goto Llabel0 // BPF_JSGE | BPF_K 103// CHECK: 25 01 0b 00 40 00 00 00 if r1 > 64 goto +11 104// CHECK: 35 02 0a 00 ff ff ff ff if r2 >= -1 goto +10 105// CHECK: 65 04 09 00 ff ff ff ff if r4 s> -1 goto +9 106// CHECK: 75 05 08 00 ff ff ff 7f if r5 s>= 2147483647 goto +8 107 108 if r6 < 0xff goto Llabel0 // BPF_JLT | BPF_K 109 if r7 <= 0xffff goto Llabel0 // BPF_JLE | BPF_K 110 if r8 s< 0 goto Llabel0 // BPF_JSLT | BPF_K 111 if r9 s<= -1 goto Llabel0 // BPF_JSLE | BPF_K 112// CHECK: a5 06 07 00 ff 00 00 00 if r6 < 255 goto +7 113// CHECK: b5 07 06 00 ff ff 00 00 if r7 <= 65535 goto +6 114// CHECK: c5 08 05 00 00 00 00 00 if r8 s< 0 goto +5 115// CHECK: d5 09 04 00 ff ff ff ff if r9 s<= -1 goto +4 116 117// ======== BPF_ALU64 Class ======== 118 r0 += r1 // BPF_ADD | BPF_X 119 r1 -= r2 // BPF_SUB | BPF_X 120 r2 *= r3 // BPF_MUL | BPF_X 121 r3 /= r4 // BPF_DIV | BPF_X 122// CHECK: 0f 10 00 00 00 00 00 00 r0 += r1 123// CHECK: 1f 21 00 00 00 00 00 00 r1 -= r2 124// CHECK: 2f 32 00 00 00 00 00 00 r2 *= r3 125// CHECK: 3f 43 00 00 00 00 00 00 r3 /= r4 126 127Llabel0 : 128 r2 = -r2 // BPF_NEG 129 r4 |= r5 // BPF_OR | BPF_X 130 r5 &= r6 // BPF_AND | BPF_X 131 r6 <<= r7 // BPF_LSH | BPF_X 132 r7 >>= r8 // BPF_RSH | BPF_X 133 r8 ^= r9 // BPF_XOR | BPF_X 134 r9 = r10 // BPF_MOV | BPF_X 135 r10 s>>= r0 // BPF_ARSH | BPF_X 136// CHECK:Llabel0: 137// CHECK: 87 02 00 00 00 00 00 00 r2 = -r2 138// CHECK: 4f 54 00 00 00 00 00 00 r4 |= r5 139// CHECK: 5f 65 00 00 00 00 00 00 r5 &= r6 140// CHECK: 6f 76 00 00 00 00 00 00 r6 <<= r7 141// CHECK: 7f 87 00 00 00 00 00 00 r7 >>= r8 142// CHECK: af 98 00 00 00 00 00 00 r8 ^= r9 143// CHECK: bf a9 00 00 00 00 00 00 r9 = r10 144// CHECK: cf 0a 00 00 00 00 00 00 r10 s>>= r0 145 146 r1 = be16 r1 // BPF_END | BPF_TO_BE 147 r2 = be32 r2 // BPF_END | BPF_TO_BE 148 r3 = be64 r3 // BPF_END | BPF_TO_BE 149// CHECK: dc 01 00 00 10 00 00 00 r1 = be16 r1 150// CHECK: dc 02 00 00 20 00 00 00 r2 = be32 r2 151// CHECK: dc 03 00 00 40 00 00 00 r3 = be64 r3 152 153 r0 += 1 // BPF_ADD | BPF_K 154 r1 -= 0x1 // BPF_SUB | BPF_K 155 r2 *= -4 // BPF_MUL | BPF_K 156 r3 /= 5 // BPF_DIV | BPF_K 157// CHECK: 07 00 00 00 01 00 00 00 r0 += 1 158// CHECK: 17 01 00 00 01 00 00 00 r1 -= 1 159// CHECK: 27 02 00 00 fc ff ff ff r2 *= -4 160// CHECK: 37 03 00 00 05 00 00 00 r3 /= 5 161 162 r4 |= 0xff // BPF_OR | BPF_K 163 r5 &= 0xFF // BPF_AND | BPF_K 164 r6 <<= 63 // BPF_LSH | BPF_K 165 r7 >>= 32 // BPF_RSH | BPF_K 166 r8 ^= 0 // BPF_XOR | BPF_K 167 r9 = 1 // BPF_MOV | BPF_K 168 r9 = 0xffffffff // BPF_MOV | BPF_K 169 r10 s>>= 64 // BPF_ARSH | BPF_K 170// CHECK: 47 04 00 00 ff 00 00 00 r4 |= 255 171// CHECK: 57 05 00 00 ff 00 00 00 r5 &= 255 172// CHECK: 67 06 00 00 3f 00 00 00 r6 <<= 63 173// CHECK: 77 07 00 00 20 00 00 00 r7 >>= 32 174// CHECK: a7 08 00 00 00 00 00 00 r8 ^= 0 175// CHECK: b7 09 00 00 01 00 00 00 r9 = 1 176// CHECK: b7 09 00 00 ff ff ff ff r9 = -1 177// CHECK: c7 0a 00 00 40 00 00 00 r10 s>>= 64 178