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-rw-r--r--lib/test_bpf.c254
1 files changed, 254 insertions, 0 deletions
diff --git a/lib/test_bpf.c b/lib/test_bpf.c
index 21ea1ab253a1..a838a6179ca4 100644
--- a/lib/test_bpf.c
+++ b/lib/test_bpf.c
@@ -6907,6 +6907,260 @@ static struct bpf_test tests[] = {
{ },
{ { 0, (u32) (cpu_to_le64(0xfedcba9876543210ULL) >> 32) } },
},
+ /* BPF_LDX_MEM B/H/W/DW */
+ {
+ "BPF_LDX_MEM | BPF_B",
+ .u.insns_int = {
+ BPF_LD_IMM64(R1, 0x0102030405060708ULL),
+ BPF_LD_IMM64(R2, 0x0000000000000008ULL),
+ BPF_STX_MEM(BPF_DW, R10, R1, -8),
+#ifdef __BIG_ENDIAN
+ BPF_LDX_MEM(BPF_B, R0, R10, -1),
+#else
+ BPF_LDX_MEM(BPF_B, R0, R10, -8),
+#endif
+ BPF_JMP_REG(BPF_JNE, R0, R2, 1),
+ BPF_ALU64_IMM(BPF_MOV, R0, 0),
+ BPF_EXIT_INSN(),
+ },
+ INTERNAL,
+ { },
+ { { 0, 0 } },
+ .stack_depth = 8,
+ },
+ {
+ "BPF_LDX_MEM | BPF_B, MSB set",
+ .u.insns_int = {
+ BPF_LD_IMM64(R1, 0x8182838485868788ULL),
+ BPF_LD_IMM64(R2, 0x0000000000000088ULL),
+ BPF_STX_MEM(BPF_DW, R10, R1, -8),
+#ifdef __BIG_ENDIAN
+ BPF_LDX_MEM(BPF_B, R0, R10, -1),
+#else
+ BPF_LDX_MEM(BPF_B, R0, R10, -8),
+#endif
+ BPF_JMP_REG(BPF_JNE, R0, R2, 1),
+ BPF_ALU64_IMM(BPF_MOV, R0, 0),
+ BPF_EXIT_INSN(),
+ },
+ INTERNAL,
+ { },
+ { { 0, 0 } },
+ .stack_depth = 8,
+ },
+ {
+ "BPF_LDX_MEM | BPF_H",
+ .u.insns_int = {
+ BPF_LD_IMM64(R1, 0x0102030405060708ULL),
+ BPF_LD_IMM64(R2, 0x0000000000000708ULL),
+ BPF_STX_MEM(BPF_DW, R10, R1, -8),
+#ifdef __BIG_ENDIAN
+ BPF_LDX_MEM(BPF_H, R0, R10, -2),
+#else
+ BPF_LDX_MEM(BPF_H, R0, R10, -8),
+#endif
+ BPF_JMP_REG(BPF_JNE, R0, R2, 1),
+ BPF_ALU64_IMM(BPF_MOV, R0, 0),
+ BPF_EXIT_INSN(),
+ },
+ INTERNAL,
+ { },
+ { { 0, 0 } },
+ .stack_depth = 8,
+ },
+ {
+ "BPF_LDX_MEM | BPF_H, MSB set",
+ .u.insns_int = {
+ BPF_LD_IMM64(R1, 0x8182838485868788ULL),
+ BPF_LD_IMM64(R2, 0x0000000000008788ULL),
+ BPF_STX_MEM(BPF_DW, R10, R1, -8),
+#ifdef __BIG_ENDIAN
+ BPF_LDX_MEM(BPF_H, R0, R10, -2),
+#else
+ BPF_LDX_MEM(BPF_H, R0, R10, -8),
+#endif
+ BPF_JMP_REG(BPF_JNE, R0, R2, 1),
+ BPF_ALU64_IMM(BPF_MOV, R0, 0),
+ BPF_EXIT_INSN(),
+ },
+ INTERNAL,
+ { },
+ { { 0, 0 } },
+ .stack_depth = 8,
+ },
+ {
+ "BPF_LDX_MEM | BPF_W",
+ .u.insns_int = {
+ BPF_LD_IMM64(R1, 0x0102030405060708ULL),
+ BPF_LD_IMM64(R2, 0x0000000005060708ULL),
+ BPF_STX_MEM(BPF_DW, R10, R1, -8),
+#ifdef __BIG_ENDIAN
+ BPF_LDX_MEM(BPF_W, R0, R10, -4),
+#else
+ BPF_LDX_MEM(BPF_W, R0, R10, -8),
+#endif
+ BPF_JMP_REG(BPF_JNE, R0, R2, 1),
+ BPF_ALU64_IMM(BPF_MOV, R0, 0),
+ BPF_EXIT_INSN(),
+ },
+ INTERNAL,
+ { },
+ { { 0, 0 } },
+ .stack_depth = 8,
+ },
+ {
+ "BPF_LDX_MEM | BPF_W, MSB set",
+ .u.insns_int = {
+ BPF_LD_IMM64(R1, 0x8182838485868788ULL),
+ BPF_LD_IMM64(R2, 0x0000000085868788ULL),
+ BPF_STX_MEM(BPF_DW, R10, R1, -8),
+#ifdef __BIG_ENDIAN
+ BPF_LDX_MEM(BPF_W, R0, R10, -4),
+#else
+ BPF_LDX_MEM(BPF_W, R0, R10, -8),
+#endif
+ BPF_JMP_REG(BPF_JNE, R0, R2, 1),
+ BPF_ALU64_IMM(BPF_MOV, R0, 0),
+ BPF_EXIT_INSN(),
+ },
+ INTERNAL,
+ { },
+ { { 0, 0 } },
+ .stack_depth = 8,
+ },
+ /* BPF_STX_MEM B/H/W/DW */
+ {
+ "BPF_STX_MEM | BPF_B",
+ .u.insns_int = {
+ BPF_LD_IMM64(R1, 0x8090a0b0c0d0e0f0ULL),
+ BPF_LD_IMM64(R2, 0x0102030405060708ULL),
+ BPF_LD_IMM64(R3, 0x8090a0b0c0d0e008ULL),
+ BPF_STX_MEM(BPF_DW, R10, R1, -8),
+#ifdef __BIG_ENDIAN
+ BPF_STX_MEM(BPF_B, R10, R2, -1),
+#else
+ BPF_STX_MEM(BPF_B, R10, R2, -8),
+#endif
+ BPF_LDX_MEM(BPF_DW, R0, R10, -8),
+ BPF_JMP_REG(BPF_JNE, R0, R3, 1),
+ BPF_ALU64_IMM(BPF_MOV, R0, 0),
+ BPF_EXIT_INSN(),
+ },
+ INTERNAL,
+ { },
+ { { 0, 0 } },
+ .stack_depth = 8,
+ },
+ {
+ "BPF_STX_MEM | BPF_B, MSB set",
+ .u.insns_int = {
+ BPF_LD_IMM64(R1, 0x8090a0b0c0d0e0f0ULL),
+ BPF_LD_IMM64(R2, 0x8182838485868788ULL),
+ BPF_LD_IMM64(R3, 0x8090a0b0c0d0e088ULL),
+ BPF_STX_MEM(BPF_DW, R10, R1, -8),
+#ifdef __BIG_ENDIAN
+ BPF_STX_MEM(BPF_B, R10, R2, -1),
+#else
+ BPF_STX_MEM(BPF_B, R10, R2, -8),
+#endif
+ BPF_LDX_MEM(BPF_DW, R0, R10, -8),
+ BPF_JMP_REG(BPF_JNE, R0, R3, 1),
+ BPF_ALU64_IMM(BPF_MOV, R0, 0),
+ BPF_EXIT_INSN(),
+ },
+ INTERNAL,
+ { },
+ { { 0, 0 } },
+ .stack_depth = 8,
+ },
+ {
+ "BPF_STX_MEM | BPF_H",
+ .u.insns_int = {
+ BPF_LD_IMM64(R1, 0x8090a0b0c0d0e0f0ULL),
+ BPF_LD_IMM64(R2, 0x0102030405060708ULL),
+ BPF_LD_IMM64(R3, 0x8090a0b0c0d00708ULL),
+ BPF_STX_MEM(BPF_DW, R10, R1, -8),
+#ifdef __BIG_ENDIAN
+ BPF_STX_MEM(BPF_H, R10, R2, -2),
+#else
+ BPF_STX_MEM(BPF_H, R10, R2, -8),
+#endif
+ BPF_LDX_MEM(BPF_DW, R0, R10, -8),
+ BPF_JMP_REG(BPF_JNE, R0, R3, 1),
+ BPF_ALU64_IMM(BPF_MOV, R0, 0),
+ BPF_EXIT_INSN(),
+ },
+ INTERNAL,
+ { },
+ { { 0, 0 } },
+ .stack_depth = 8,
+ },
+ {
+ "BPF_STX_MEM | BPF_H, MSB set",
+ .u.insns_int = {
+ BPF_LD_IMM64(R1, 0x8090a0b0c0d0e0f0ULL),
+ BPF_LD_IMM64(R2, 0x8182838485868788ULL),
+ BPF_LD_IMM64(R3, 0x8090a0b0c0d08788ULL),
+ BPF_STX_MEM(BPF_DW, R10, R1, -8),
+#ifdef __BIG_ENDIAN
+ BPF_STX_MEM(BPF_H, R10, R2, -2),
+#else
+ BPF_STX_MEM(BPF_H, R10, R2, -8),
+#endif
+ BPF_LDX_MEM(BPF_DW, R0, R10, -8),
+ BPF_JMP_REG(BPF_JNE, R0, R3, 1),
+ BPF_ALU64_IMM(BPF_MOV, R0, 0),
+ BPF_EXIT_INSN(),
+ },
+ INTERNAL,
+ { },
+ { { 0, 0 } },
+ .stack_depth = 8,
+ },
+ {
+ "BPF_STX_MEM | BPF_W",
+ .u.insns_int = {
+ BPF_LD_IMM64(R1, 0x8090a0b0c0d0e0f0ULL),
+ BPF_LD_IMM64(R2, 0x0102030405060708ULL),
+ BPF_LD_IMM64(R3, 0x8090a0b005060708ULL),
+ BPF_STX_MEM(BPF_DW, R10, R1, -8),
+#ifdef __BIG_ENDIAN
+ BPF_STX_MEM(BPF_W, R10, R2, -4),
+#else
+ BPF_STX_MEM(BPF_W, R10, R2, -8),
+#endif
+ BPF_LDX_MEM(BPF_DW, R0, R10, -8),
+ BPF_JMP_REG(BPF_JNE, R0, R3, 1),
+ BPF_ALU64_IMM(BPF_MOV, R0, 0),
+ BPF_EXIT_INSN(),
+ },
+ INTERNAL,
+ { },
+ { { 0, 0 } },
+ .stack_depth = 8,
+ },
+ {
+ "BPF_STX_MEM | BPF_W, MSB set",
+ .u.insns_int = {
+ BPF_LD_IMM64(R1, 0x8090a0b0c0d0e0f0ULL),
+ BPF_LD_IMM64(R2, 0x8182838485868788ULL),
+ BPF_LD_IMM64(R3, 0x8090a0b085868788ULL),
+ BPF_STX_MEM(BPF_DW, R10, R1, -8),
+#ifdef __BIG_ENDIAN
+ BPF_STX_MEM(BPF_W, R10, R2, -4),
+#else
+ BPF_STX_MEM(BPF_W, R10, R2, -8),
+#endif
+ BPF_LDX_MEM(BPF_DW, R0, R10, -8),
+ BPF_JMP_REG(BPF_JNE, R0, R3, 1),
+ BPF_ALU64_IMM(BPF_MOV, R0, 0),
+ BPF_EXIT_INSN(),
+ },
+ INTERNAL,
+ { },
+ { { 0, 0 } },
+ .stack_depth = 8,
+ },
/* BPF_ST(X) | BPF_MEM | BPF_B/H/W/DW */
{
"ST_MEM_B: Store/Load byte: max negative",
generated by cgit (git 2.34.1) at 2024-05-23 05:09:57 +0000