Open Menu / tools / testing / selftests / bpf / verifier / jit.c
Loading...
  1
  2
  3
  4
  5
  6
  7
  8
  9
 10
 11
 12
 13
 14
 15
 16
 17
 18
 19
 20
 21
 22
 23
 24
 25
 26
 27
 28
 29
 30
 31
 32
 33
 34
 35
 36
 37
 38
 39
 40
 41
 42
 43
 44
 45
 46
 47
 48
 49
 50
 51
 52
 53
 54
 55
 56
 57
 58
 59
 60
 61
 62
 63
 64
 65
 66
 67
 68
 69
 70
 71
 72
 73
 74
 75
 76
 77
 78
 79
 80
 81
 82
 83
 84
 85
 86
 87
 88
 89
 90
 91
 92
 93
 94
 95
 96
 97
 98
 99
100
101
102
103
104
105
106
107
{
	"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_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_0, 0x952a7bbcULL),
	BPF_LD_IMM64(BPF_REG_1, 0xfefefeULL),
	BPF_LD_IMM64(BPF_REG_2, 0xeeff0d413122ULL),
	BPF_ALU32_REG(BPF_MUL, BPF_REG_2, BPF_REG_1),
	BPF_JMP_REG(BPF_JEQ, BPF_REG_2, 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,
},