1 files changed, 107 insertions, 0 deletions
diff --git a/tools/testing/selftests/bpf/verifier/jit.c b/tools/testing/selftests/bpf/verifier/jit.c
new file mode 100644
index 000000000..c33adf344
--- /dev/null
+++ b/tools/testing/selftests/bpf/verifier/jit.c
@@ -0,0 +1,107 @@
+{
+	"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,
+},