# RUN: llvm-mc -triple bpfel -filetype=obj -o %t %s # RUN: llvm-objdump -d -r %t | FileCheck --check-prefixes CHECK,CHECK-64 %s # RUN: llvm-objdump -mattr=+alu32 -d -r %t | FileCheck --check-prefixes CHECK,CHECK-32 %s // ======== BPF_LD Class ======== // Some extra whitespaces are deliberately added to test the parser. r0 = * (u8 *)skb[0] // BPF_LD | BPF_ABS | BPF_B r0 = *(u16 *)skb[2] // BPF_LD | BPF_ABS | BPF_H r0 = * (u32*)skb[4] // BPF_LD | BPF_ABS | BPF_W // CHECK: 30 00 00 00 00 00 00 00 r0 = *(u8 *)skb[0] // CHECK: 28 00 00 00 02 00 00 00 r0 = *(u16 *)skb[2] // CHECK: 20 00 00 00 04 00 00 00 r0 = *(u32 *)skb[4] r0 = * (u8 *)skb[r0] // BPF_LD | BPF_IND | BPF_B r0 = * (u16 *)skb[r1] // BPF_LD | BPF_IND | BPF_H r0 = *(u32 *)skb[r2] // BPF_LD | BPF_IND | BPF_W // CHECK: 50 00 00 00 00 00 00 00 r0 = *(u8 *)skb[r0] // CHECK: 48 10 00 00 00 00 00 00 r0 = *(u16 *)skb[r1] // CHECK: 40 20 00 00 00 00 00 00 r0 = *(u32 *)skb[r2] r9 = 0xffffffff ll // BPF_LD | BPF_DW | BPF_IMM r9 = 8589934591 ll // BPF_LD | BPF_DW | BPF_IMM r9 = 0x1ffffffff ll // BPF_LD | BPF_DW | BPF_IMM r9 = dummy_map ll // BPF_LD | BPF_DW | BPF_IMM // CHECK: 18 09 00 00 ff ff ff ff 00 00 00 00 00 00 00 00 r9 = 4294967295 ll // CHECK: 18 09 00 00 ff ff ff ff 00 00 00 00 01 00 00 00 r9 = 8589934591 ll // CHECK: 18 09 00 00 ff ff ff ff 00 00 00 00 01 00 00 00 r9 = 8589934591 ll // CHECK: 18 09 00 00 00 00 00 00 00 00 00 00 00 00 00 00 r9 = 0 ll // CHECK: 0000000000000060: R_BPF_64_64 dummy_map // ======== BPF_LDX Class ======== r5 = *(u8 *)(r0 + 0) // BPF_LDX | BPF_B r6 = *(u16 *)(r1 + 8) // BPF_LDX | BPF_H r7 = *(u32 *)(r2 + 16) // BPF_LDX | BPF_W r8 = *(u64 *)(r3 - 30) // BPF_LDX | BPF_DW // CHECK-64: 71 05 00 00 00 00 00 00 r5 = *(u8 *)(r0 + 0) // CHECK-64: 69 16 08 00 00 00 00 00 r6 = *(u16 *)(r1 + 8) // CHECK-64: 61 27 10 00 00 00 00 00 r7 = *(u32 *)(r2 + 16) // CHECK-32: 71 05 00 00 00 00 00 00 w5 = *(u8 *)(r0 + 0) // CHECK-32: 69 16 08 00 00 00 00 00 w6 = *(u16 *)(r1 + 8) // CHECK-32: 61 27 10 00 00 00 00 00 w7 = *(u32 *)(r2 + 16) // CHECK: 79 38 e2 ff 00 00 00 00 r8 = *(u64 *)(r3 - 30) // ======== BPF_STX Class ======== *(u8 *)(r0 + 0) = r7 // BPF_STX | BPF_B *(u16 *)(r1 + 8) = r8 // BPF_STX | BPF_H *(u32 *)(r2 + 16) = r9 // BPF_STX | BPF_W *(u64 *)(r3 - 30) = r10 // BPF_STX | BPF_DW // CHECK-64: 73 70 00 00 00 00 00 00 *(u8 *)(r0 + 0) = r7 // CHECK-64: 6b 81 08 00 00 00 00 00 *(u16 *)(r1 + 8) = r8 // CHECK-64: 63 92 10 00 00 00 00 00 *(u32 *)(r2 + 16) = r9 // CHECK-32: 73 70 00 00 00 00 00 00 *(u8 *)(r0 + 0) = w7 // CHECK-32: 6b 81 08 00 00 00 00 00 *(u16 *)(r1 + 8) = w8 // CHECK-32: 63 92 10 00 00 00 00 00 *(u32 *)(r2 + 16) = w9 // CHECK: 7b a3 e2 ff 00 00 00 00 *(u64 *)(r3 - 30) = r10 lock *(u32 *)(r2 + 16) += r9 // BPF_STX | BPF_W | BPF_XADD lock *(u64 *)(r3 - 30) += r10 // BPF_STX | BPF_DW | BPF_XADD // CHECK-64: c3 92 10 00 00 00 00 00 lock *(u32 *)(r2 + 16) += r9 // CHECK-32: c3 92 10 00 00 00 00 00 lock *(u32 *)(r2 + 16) += w9 // CHECK: db a3 e2 ff 00 00 00 00 lock *(u64 *)(r3 - 30) += r10 // ======== BPF_JMP Class ======== goto Llabel0 // BPF_JA call 1 // BPF_CALL exit // BPF_EXIT // CHECK: 05 00 1a 00 00 00 00 00 goto +26 // CHECK: 85 00 00 00 01 00 00 00 call 1 // CHECK: 95 00 00 00 00 00 00 00 exit if r0 == r1 goto Llabel0 // BPF_JEQ | BPF_X if r3 != r4 goto Llabel0 // BPF_JNE | BPF_X // CHECK: 1d 10 17 00 00 00 00 00 if r0 == r1 goto +23 // CHECK: 5d 43 16 00 00 00 00 00 if r3 != r4 goto +22 if r1 > r2 goto Llabel0 // BPF_JGT | BPF_X if r2 >= r3 goto Llabel0 // BPF_JGE | BPF_X if r4 s> r5 goto Llabel0 // BPF_JSGT | BPF_X if r5 s>= r6 goto Llabel0 // BPF_JSGE | BPF_X // CHECK: 2d 21 15 00 00 00 00 00 if r1 > r2 goto +21 // CHECK: 3d 32 14 00 00 00 00 00 if r2 >= r3 goto +20 // CHECK: 6d 54 13 00 00 00 00 00 if r4 s> r5 goto +19 // CHECK: 7d 65 12 00 00 00 00 00 if r5 s>= r6 goto +18 if r6 < r7 goto Llabel0 // BPF_JLT | BPF_X if r7 <= r8 goto Llabel0 // BPF_JLE | BPF_X if r8 s< r9 goto Llabel0 // BPF_JSLT | BPF_X if r9 s<= r10 goto Llabel0 // BPF_JSLE | BPF_X // CHECK: ad 76 11 00 00 00 00 00 if r6 < r7 goto +17 // CHECK: bd 87 10 00 00 00 00 00 if r7 <= r8 goto +16 // CHECK: cd 98 0f 00 00 00 00 00 if r8 s< r9 goto +15 // CHECK: dd a9 0e 00 00 00 00 00 if r9 s<= r10 goto +14 if r0 == 0 goto Llabel0 // BPF_JEQ | BPF_K if r3 != -1 goto Llabel0 // BPF_JNE | BPF_K // CHECK: 15 00 0d 00 00 00 00 00 if r0 == 0 goto +13 // CHECK: 55 03 0c 00 ff ff ff ff if r3 != -1 goto +12 if r1 > 64 goto Llabel0 // BPF_JGT | BPF_K if r2 >= 0xffffffff goto Llabel0 // BPF_JGE | BPF_K if r4 s> 0xffffffff goto Llabel0 // BPF_JSGT | BPF_K if r5 s>= 0x7fffffff goto Llabel0 // BPF_JSGE | BPF_K // CHECK: 25 01 0b 00 40 00 00 00 if r1 > 64 goto +11 // CHECK: 35 02 0a 00 ff ff ff ff if r2 >= -1 goto +10 // CHECK: 65 04 09 00 ff ff ff ff if r4 s> -1 goto +9 // CHECK: 75 05 08 00 ff ff ff 7f if r5 s>= 2147483647 goto +8 if r6 < 0xff goto Llabel0 // BPF_JLT | BPF_K if r7 <= 0xffff goto Llabel0 // BPF_JLE | BPF_K if r8 s< 0 goto Llabel0 // BPF_JSLT | BPF_K if r9 s<= -1 goto Llabel0 // BPF_JSLE | BPF_K // CHECK: a5 06 07 00 ff 00 00 00 if r6 < 255 goto +7 // CHECK: b5 07 06 00 ff ff 00 00 if r7 <= 65535 goto +6 // CHECK: c5 08 05 00 00 00 00 00 if r8 s< 0 goto +5 // CHECK: d5 09 04 00 ff ff ff ff if r9 s<= -1 goto +4 // ======== BPF_ALU64 Class ======== r0 += r1 // BPF_ADD | BPF_X r1 -= r2 // BPF_SUB | BPF_X r2 *= r3 // BPF_MUL | BPF_X r3 /= r4 // BPF_DIV | BPF_X // CHECK: 0f 10 00 00 00 00 00 00 r0 += r1 // CHECK: 1f 21 00 00 00 00 00 00 r1 -= r2 // CHECK: 2f 32 00 00 00 00 00 00 r2 *= r3 // CHECK: 3f 43 00 00 00 00 00 00 r3 /= r4 Llabel0 : r2 = -r2 // BPF_NEG r4 |= r5 // BPF_OR | BPF_X r5 &= r6 // BPF_AND | BPF_X r6 <<= r7 // BPF_LSH | BPF_X r7 >>= r8 // BPF_RSH | BPF_X r8 ^= r9 // BPF_XOR | BPF_X r9 = r10 // BPF_MOV | BPF_X r10 s>>= r0 // BPF_ARSH | BPF_X // CHECK:Llabel0: // CHECK: 87 02 00 00 00 00 00 00 r2 = -r2 // CHECK: 4f 54 00 00 00 00 00 00 r4 |= r5 // CHECK: 5f 65 00 00 00 00 00 00 r5 &= r6 // CHECK: 6f 76 00 00 00 00 00 00 r6 <<= r7 // CHECK: 7f 87 00 00 00 00 00 00 r7 >>= r8 // CHECK: af 98 00 00 00 00 00 00 r8 ^= r9 // CHECK: bf a9 00 00 00 00 00 00 r9 = r10 // CHECK: cf 0a 00 00 00 00 00 00 r10 s>>= r0 r1 = be16 r1 // BPF_END | BPF_TO_BE r2 = be32 r2 // BPF_END | BPF_TO_BE r3 = be64 r3 // BPF_END | BPF_TO_BE // CHECK: dc 01 00 00 10 00 00 00 r1 = be16 r1 // CHECK: dc 02 00 00 20 00 00 00 r2 = be32 r2 // CHECK: dc 03 00 00 40 00 00 00 r3 = be64 r3 r0 += 1 // BPF_ADD | BPF_K r1 -= 0x1 // BPF_SUB | BPF_K r2 *= -4 // BPF_MUL | BPF_K r3 /= 5 // BPF_DIV | BPF_K // CHECK: 07 00 00 00 01 00 00 00 r0 += 1 // CHECK: 17 01 00 00 01 00 00 00 r1 -= 1 // CHECK: 27 02 00 00 fc ff ff ff r2 *= -4 // CHECK: 37 03 00 00 05 00 00 00 r3 /= 5 r4 |= 0xff // BPF_OR | BPF_K r5 &= 0xFF // BPF_AND | BPF_K r6 <<= 63 // BPF_LSH | BPF_K r7 >>= 32 // BPF_RSH | BPF_K r8 ^= 0 // BPF_XOR | BPF_K r9 = 1 // BPF_MOV | BPF_K r9 = 0xffffffff // BPF_MOV | BPF_K r10 s>>= 64 // BPF_ARSH | BPF_K // CHECK: 47 04 00 00 ff 00 00 00 r4 |= 255 // CHECK: 57 05 00 00 ff 00 00 00 r5 &= 255 // CHECK: 67 06 00 00 3f 00 00 00 r6 <<= 63 // CHECK: 77 07 00 00 20 00 00 00 r7 >>= 32 // CHECK: a7 08 00 00 00 00 00 00 r8 ^= 0 // CHECK: b7 09 00 00 01 00 00 00 r9 = 1 // CHECK: b7 09 00 00 ff ff ff ff r9 = -1 // CHECK: c7 0a 00 00 40 00 00 00 r10 s>>= 64