| { |
| "jit: lsh, rsh, arsh by 1", |
| .insns = { |
| BPF_MOV64_IMM(BPF_REG_0, 1), |
| BPF_MOV64_IMM(BPF_REG_1, 0xff), |
| BPF_ALU64_IMM(BPF_LSH, BPF_REG_1, 1), |
| BPF_ALU32_IMM(BPF_LSH, BPF_REG_1, 1), |
| BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 0x3fc, 1), |
| BPF_EXIT_INSN(), |
| BPF_ALU64_IMM(BPF_RSH, BPF_REG_1, 1), |
| BPF_ALU32_IMM(BPF_RSH, BPF_REG_1, 1), |
| BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 0xff, 1), |
| BPF_EXIT_INSN(), |
| BPF_ALU64_IMM(BPF_ARSH, BPF_REG_1, 1), |
| BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 0x7f, 1), |
| BPF_EXIT_INSN(), |
| BPF_MOV64_IMM(BPF_REG_0, 2), |
| BPF_EXIT_INSN(), |
| }, |
| .result = ACCEPT, |
| .retval = 2, |
| }, |
| { |
| "jit: mov32 for ldimm64, 1", |
| .insns = { |
| BPF_MOV64_IMM(BPF_REG_0, 2), |
| BPF_LD_IMM64(BPF_REG_1, 0xfeffffffffffffffULL), |
| BPF_ALU64_IMM(BPF_RSH, BPF_REG_1, 32), |
| BPF_LD_IMM64(BPF_REG_2, 0xfeffffffULL), |
| BPF_JMP_REG(BPF_JEQ, BPF_REG_1, BPF_REG_2, 1), |
| BPF_MOV64_IMM(BPF_REG_0, 1), |
| BPF_EXIT_INSN(), |
| }, |
| .result = ACCEPT, |
| .retval = 2, |
| }, |
| { |
| "jit: mov32 for ldimm64, 2", |
| .insns = { |
| BPF_MOV64_IMM(BPF_REG_0, 1), |
| BPF_LD_IMM64(BPF_REG_1, 0x1ffffffffULL), |
| BPF_LD_IMM64(BPF_REG_2, 0xffffffffULL), |
| BPF_JMP_REG(BPF_JEQ, BPF_REG_1, BPF_REG_2, 1), |
| BPF_MOV64_IMM(BPF_REG_0, 2), |
| BPF_EXIT_INSN(), |
| }, |
| .result = ACCEPT, |
| .retval = 2, |
| }, |
| { |
| "jit: various mul tests", |
| .insns = { |
| BPF_LD_IMM64(BPF_REG_2, 0xeeff0d413122ULL), |
| BPF_LD_IMM64(BPF_REG_0, 0xfefefeULL), |
| BPF_LD_IMM64(BPF_REG_1, 0xefefefULL), |
| BPF_ALU64_REG(BPF_MUL, BPF_REG_0, BPF_REG_1), |
| BPF_JMP_REG(BPF_JEQ, BPF_REG_0, BPF_REG_2, 2), |
| BPF_MOV64_IMM(BPF_REG_0, 1), |
| BPF_EXIT_INSN(), |
| BPF_LD_IMM64(BPF_REG_3, 0xfefefeULL), |
| BPF_ALU64_REG(BPF_MUL, BPF_REG_3, BPF_REG_1), |
| BPF_JMP_REG(BPF_JEQ, BPF_REG_3, BPF_REG_2, 2), |
| BPF_MOV64_IMM(BPF_REG_0, 1), |
| BPF_EXIT_INSN(), |
| BPF_LD_IMM64(BPF_REG_3, 0xfefefeULL), |
| BPF_ALU64_IMM(BPF_MUL, BPF_REG_3, 0xefefef), |
| BPF_JMP_REG(BPF_JEQ, BPF_REG_3, BPF_REG_2, 2), |
| BPF_MOV64_IMM(BPF_REG_0, 1), |
| BPF_EXIT_INSN(), |
| BPF_MOV32_REG(BPF_REG_2, BPF_REG_2), |
| BPF_LD_IMM64(BPF_REG_0, 0xfefefeULL), |
| BPF_ALU32_REG(BPF_MUL, BPF_REG_0, BPF_REG_1), |
| BPF_JMP_REG(BPF_JEQ, BPF_REG_0, BPF_REG_2, 2), |
| BPF_MOV64_IMM(BPF_REG_0, 1), |
| BPF_EXIT_INSN(), |
| BPF_LD_IMM64(BPF_REG_3, 0xfefefeULL), |
| BPF_ALU32_REG(BPF_MUL, BPF_REG_3, BPF_REG_1), |
| BPF_JMP_REG(BPF_JEQ, BPF_REG_3, BPF_REG_2, 2), |
| BPF_MOV64_IMM(BPF_REG_0, 1), |
| BPF_EXIT_INSN(), |
| BPF_LD_IMM64(BPF_REG_3, 0xfefefeULL), |
| BPF_ALU32_IMM(BPF_MUL, BPF_REG_3, 0xefefef), |
| BPF_JMP_REG(BPF_JEQ, BPF_REG_3, BPF_REG_2, 2), |
| BPF_MOV64_IMM(BPF_REG_0, 1), |
| BPF_EXIT_INSN(), |
| BPF_LD_IMM64(BPF_REG_0, 0xfefefeULL), |
| BPF_LD_IMM64(BPF_REG_2, 0x2ad4d4aaULL), |
| BPF_ALU32_IMM(BPF_MUL, BPF_REG_0, 0x2b), |
| BPF_JMP_REG(BPF_JEQ, BPF_REG_0, BPF_REG_2, 2), |
| BPF_MOV64_IMM(BPF_REG_0, 1), |
| BPF_EXIT_INSN(), |
| BPF_LD_IMM64(BPF_REG_0, 0x952a7bbcULL), |
| BPF_LD_IMM64(BPF_REG_1, 0xfefefeULL), |
| BPF_LD_IMM64(BPF_REG_5, 0xeeff0d413122ULL), |
| BPF_ALU32_REG(BPF_MUL, BPF_REG_5, BPF_REG_1), |
| BPF_JMP_REG(BPF_JEQ, BPF_REG_5, BPF_REG_0, 2), |
| BPF_MOV64_IMM(BPF_REG_0, 1), |
| BPF_EXIT_INSN(), |
| BPF_MOV64_IMM(BPF_REG_0, 2), |
| BPF_EXIT_INSN(), |
| }, |
| .result = ACCEPT, |
| .retval = 2, |
| }, |
| { |
| "jit: jsgt, jslt", |
| .insns = { |
| BPF_LD_IMM64(BPF_REG_1, 0x80000000ULL), |
| BPF_LD_IMM64(BPF_REG_2, 0x0ULL), |
| BPF_JMP_REG(BPF_JSGT, BPF_REG_1, BPF_REG_2, 2), |
| BPF_MOV64_IMM(BPF_REG_0, 1), |
| BPF_EXIT_INSN(), |
| |
| BPF_JMP_REG(BPF_JSLT, BPF_REG_2, BPF_REG_1, 2), |
| BPF_MOV64_IMM(BPF_REG_0, 1), |
| BPF_EXIT_INSN(), |
| |
| BPF_MOV64_IMM(BPF_REG_0, 2), |
| BPF_EXIT_INSN(), |
| }, |
| .result = ACCEPT, |
| .retval = 2, |
| }, |
| { |
| "jit: torturous jumps, imm8 nop jmp and pure jump padding", |
| .insns = { }, |
| .fill_helper = bpf_fill_torturous_jumps, |
| .prog_type = BPF_PROG_TYPE_SCHED_CLS, |
| .result = ACCEPT, |
| .retval = 1, |
| }, |
| { |
| "jit: torturous jumps, imm32 nop jmp and jmp_cond padding", |
| .insns = { }, |
| .fill_helper = bpf_fill_torturous_jumps, |
| .prog_type = BPF_PROG_TYPE_SCHED_CLS, |
| .result = ACCEPT, |
| .retval = 2, |
| }, |
| { |
| "jit: torturous jumps in subprog", |
| .insns = { }, |
| .fill_helper = bpf_fill_torturous_jumps, |
| .prog_type = BPF_PROG_TYPE_SCHED_CLS, |
| .result = ACCEPT, |
| .retval = 3, |
| }, |
