diff options
Diffstat (limited to 'lib/test_bpf.c')
| -rw-r--r-- | lib/test_bpf.c | 84 |
1 files changed, 84 insertions, 0 deletions
diff --git a/lib/test_bpf.c b/lib/test_bpf.c index 377e866764cb..450984433140 100644 --- a/lib/test_bpf.c +++ b/lib/test_bpf.c @@ -2361,6 +2361,48 @@ static struct bpf_test tests[] = { { { 0, 0x1 } }, }, { + "ALU_MOV_K: small negative", + .u.insns_int = { + BPF_ALU32_IMM(BPF_MOV, R0, -123), + BPF_EXIT_INSN(), + }, + INTERNAL, + { }, + { { 0, -123 } } + }, + { + "ALU_MOV_K: small negative zero extension", + .u.insns_int = { + BPF_ALU32_IMM(BPF_MOV, R0, -123), + BPF_ALU64_IMM(BPF_RSH, R0, 32), + BPF_EXIT_INSN(), + }, + INTERNAL, + { }, + { { 0, 0 } } + }, + { + "ALU_MOV_K: large negative", + .u.insns_int = { + BPF_ALU32_IMM(BPF_MOV, R0, -123456789), + BPF_EXIT_INSN(), + }, + INTERNAL, + { }, + { { 0, -123456789 } } + }, + { + "ALU_MOV_K: large negative zero extension", + .u.insns_int = { + BPF_ALU32_IMM(BPF_MOV, R0, -123456789), + BPF_ALU64_IMM(BPF_RSH, R0, 32), + BPF_EXIT_INSN(), + }, + INTERNAL, + { }, + { { 0, 0 } } + }, + { "ALU64_MOV_K: dst = 2", .u.insns_int = { BPF_ALU64_IMM(BPF_MOV, R0, 2), @@ -2412,6 +2454,48 @@ static struct bpf_test tests[] = { { }, { { 0, 0x1 } }, }, + { + "ALU64_MOV_K: small negative", + .u.insns_int = { + BPF_ALU64_IMM(BPF_MOV, R0, -123), + BPF_EXIT_INSN(), + }, + INTERNAL, + { }, + { { 0, -123 } } + }, + { + "ALU64_MOV_K: small negative sign extension", + .u.insns_int = { + BPF_ALU64_IMM(BPF_MOV, R0, -123), + BPF_ALU64_IMM(BPF_RSH, R0, 32), + BPF_EXIT_INSN(), + }, + INTERNAL, + { }, + { { 0, 0xffffffff } } + }, + { + "ALU64_MOV_K: large negative", + .u.insns_int = { + BPF_ALU64_IMM(BPF_MOV, R0, -123456789), + BPF_EXIT_INSN(), + }, + INTERNAL, + { }, + { { 0, -123456789 } } + }, + { + "ALU64_MOV_K: large negative sign extension", + .u.insns_int = { + BPF_ALU64_IMM(BPF_MOV, R0, -123456789), + BPF_ALU64_IMM(BPF_RSH, R0, 32), + BPF_EXIT_INSN(), + }, + INTERNAL, + { }, + { { 0, 0xffffffff } } + }, /* BPF_ALU | BPF_ADD | BPF_X */ { "ALU_ADD_X: 1 + 2 = 3", |