tools/testing/selftests/bpf/verifier/jit.c

   1 {
   2         "jit: lsh, rsh, arsh by 1",
   3         .insns = {
   4         BPF_MOV64_IMM(BPF_REG_0, 1),
   5         BPF_MOV64_IMM(BPF_REG_1, 0xff),
   6         BPF_ALU64_IMM(BPF_LSH, BPF_REG_1, 1),
   7         BPF_ALU32_IMM(BPF_LSH, BPF_REG_1, 1),
   8         BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 0x3fc, 1),
   9         BPF_EXIT_INSN(),
  10         BPF_ALU64_IMM(BPF_RSH, BPF_REG_1, 1),
  11         BPF_ALU32_IMM(BPF_RSH, BPF_REG_1, 1),
  12         BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 0xff, 1),
  13         BPF_EXIT_INSN(),
  14         BPF_ALU64_IMM(BPF_ARSH, BPF_REG_1, 1),
  15         BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 0x7f, 1),
  16         BPF_EXIT_INSN(),
  17         BPF_MOV64_IMM(BPF_REG_0, 2),
  18         BPF_EXIT_INSN(),
  19         },
  20         .result = ACCEPT,
  21         .retval = 2,
  22 },
  23 {
  24         "jit: mov32 for ldimm64, 1",
  25         .insns = {
  26         BPF_MOV64_IMM(BPF_REG_0, 2),
  27         BPF_LD_IMM64(BPF_REG_1, 0xfeffffffffffffffULL),
  28         BPF_ALU64_IMM(BPF_RSH, BPF_REG_1, 32),
  29         BPF_LD_IMM64(BPF_REG_2, 0xfeffffffULL),
  30         BPF_JMP_REG(BPF_JEQ, BPF_REG_1, BPF_REG_2, 1),
  31         BPF_MOV64_IMM(BPF_REG_0, 1),
  32         BPF_EXIT_INSN(),
  33         },
  34         .result = ACCEPT,
  35         .retval = 2,
  36 },
  37 {
  38         "jit: mov32 for ldimm64, 2",
  39         .insns = {
  40         BPF_MOV64_IMM(BPF_REG_0, 1),
  41         BPF_LD_IMM64(BPF_REG_1, 0x1ffffffffULL),
  42         BPF_LD_IMM64(BPF_REG_2, 0xffffffffULL),
  43         BPF_JMP_REG(BPF_JEQ, BPF_REG_1, BPF_REG_2, 1),
  44         BPF_MOV64_IMM(BPF_REG_0, 2),
  45         BPF_EXIT_INSN(),
  46         },
  47         .result = ACCEPT,
  48         .retval = 2,
  49 },
  50 {
  51         "jit: various mul tests",
  52         .insns = {
  53         BPF_LD_IMM64(BPF_REG_2, 0xeeff0d413122ULL),
  54         BPF_LD_IMM64(BPF_REG_0, 0xfefefeULL),
  55         BPF_LD_IMM64(BPF_REG_1, 0xefefefULL),
  56         BPF_ALU64_REG(BPF_MUL, BPF_REG_0, BPF_REG_1),
  57         BPF_JMP_REG(BPF_JEQ, BPF_REG_0, BPF_REG_2, 2),
  58         BPF_MOV64_IMM(BPF_REG_0, 1),
  59         BPF_EXIT_INSN(),
  60         BPF_LD_IMM64(BPF_REG_3, 0xfefefeULL),
  61         BPF_ALU64_REG(BPF_MUL, BPF_REG_3, BPF_REG_1),
  62         BPF_JMP_REG(BPF_JEQ, BPF_REG_3, BPF_REG_2, 2),
  63         BPF_MOV64_IMM(BPF_REG_0, 1),
  64         BPF_EXIT_INSN(),
  65         BPF_MOV32_REG(BPF_REG_2, BPF_REG_2),
  66         BPF_LD_IMM64(BPF_REG_0, 0xfefefeULL),
  67         BPF_ALU32_REG(BPF_MUL, BPF_REG_0, BPF_REG_1),
  68         BPF_JMP_REG(BPF_JEQ, BPF_REG_0, BPF_REG_2, 2),
  69         BPF_MOV64_IMM(BPF_REG_0, 1),
  70         BPF_EXIT_INSN(),
  71         BPF_LD_IMM64(BPF_REG_3, 0xfefefeULL),
  72         BPF_ALU32_REG(BPF_MUL, BPF_REG_3, BPF_REG_1),
  73         BPF_JMP_REG(BPF_JEQ, BPF_REG_3, BPF_REG_2, 2),
  74         BPF_MOV64_IMM(BPF_REG_0, 1),
  75         BPF_EXIT_INSN(),
  76         BPF_LD_IMM64(BPF_REG_0, 0x952a7bbcULL),
  77         BPF_LD_IMM64(BPF_REG_1, 0xfefefeULL),
  78         BPF_LD_IMM64(BPF_REG_2, 0xeeff0d413122ULL),
  79         BPF_ALU32_REG(BPF_MUL, BPF_REG_2, BPF_REG_1),
  80         BPF_JMP_REG(BPF_JEQ, BPF_REG_2, BPF_REG_0, 2),
  81         BPF_MOV64_IMM(BPF_REG_0, 1),
  82         BPF_EXIT_INSN(),
  83         BPF_MOV64_IMM(BPF_REG_0, 2),
  84         BPF_EXIT_INSN(),
  85         },
  86         .result = ACCEPT,
  87         .retval = 2,
  88 },
  89 {
  90         "jit: jsgt, jslt",
  91         .insns = {
  92         BPF_LD_IMM64(BPF_REG_1, 0x80000000ULL),
  93         BPF_LD_IMM64(BPF_REG_2, 0x0ULL),
  94         BPF_JMP_REG(BPF_JSGT, BPF_REG_1, BPF_REG_2, 2),
  95         BPF_MOV64_IMM(BPF_REG_0, 1),
  96         BPF_EXIT_INSN(),
  97
  98         BPF_JMP_REG(BPF_JSLT, BPF_REG_2, BPF_REG_1, 2),
  99         BPF_MOV64_IMM(BPF_REG_0, 1),
 100         BPF_EXIT_INSN(),
 101
 102         BPF_MOV64_IMM(BPF_REG_0, 2),
 103         BPF_EXIT_INSN(),
 104         },
 105         .result = ACCEPT,
 106         .retval = 2,
 107 },