diff options
Diffstat (limited to 'sandbox/linux/seccomp-bpf/codegen_unittest.cc')
| -rw-r--r-- | sandbox/linux/seccomp-bpf/codegen_unittest.cc | 32 |
1 files changed, 15 insertions, 17 deletions
diff --git a/sandbox/linux/seccomp-bpf/codegen_unittest.cc b/sandbox/linux/seccomp-bpf/codegen_unittest.cc index 3a5ca4b..5c1db24 100644 --- a/sandbox/linux/seccomp-bpf/codegen_unittest.cc +++ b/sandbox/linux/seccomp-bpf/codegen_unittest.cc @@ -84,28 +84,29 @@ Instruction* SampleProgramComplex(CodeGen* codegen, int* flags) { // JUMP if eq 42 the $0 else $1 (insn6) // 0: LD 23 (insn5) // 1: JUMP if eq 42 then $2 else $4 (insn4) - // 2: JUMP to $3 (insn1) - // 3: LD 42 (insn0) - // RET 42 (insn2) + // 2: JUMP to $3 (insn2) + // 3: LD 42 (insn1) + // RET 42 (insn0) // 4: LD 42 (insn3) // RET 42 (insn3+) *flags = HAS_MERGEABLE_TAILS; - Instruction* insn0 = codegen->MakeInstruction(BPF_LD + BPF_W + BPF_ABS, 42); + Instruction* insn0 = codegen->MakeInstruction(BPF_RET + BPF_K, 42); SANDBOX_ASSERT(insn0); - SANDBOX_ASSERT(insn0->code == BPF_LD + BPF_W + BPF_ABS); - SANDBOX_ASSERT(insn0->k == 42); + SANDBOX_ASSERT(insn0->code == BPF_RET + BPF_K); SANDBOX_ASSERT(insn0->next == NULL); - Instruction* insn1 = codegen->MakeInstruction(BPF_JMP + BPF_JA, 0, insn0); + Instruction* insn1 = + codegen->MakeInstruction(BPF_LD + BPF_W + BPF_ABS, 42, insn0); SANDBOX_ASSERT(insn1); - SANDBOX_ASSERT(insn1->code == BPF_JMP + BPF_JA); - SANDBOX_ASSERT(insn1->jt_ptr == insn0); + SANDBOX_ASSERT(insn1->code == BPF_LD + BPF_W + BPF_ABS); + SANDBOX_ASSERT(insn1->k == 42); + SANDBOX_ASSERT(insn1->next == insn0); - Instruction* insn2 = codegen->MakeInstruction(BPF_RET + BPF_K, 42); + Instruction* insn2 = codegen->MakeInstruction(BPF_JMP + BPF_JA, 0, insn1); SANDBOX_ASSERT(insn2); - SANDBOX_ASSERT(insn2->code == BPF_RET + BPF_K); - SANDBOX_ASSERT(insn2->next == NULL); + SANDBOX_ASSERT(insn2->code == BPF_JMP + BPF_JA); + SANDBOX_ASSERT(insn2->jt_ptr == insn1); // We explicitly duplicate instructions so that MergeTails() can coalesce // them later. @@ -115,16 +116,13 @@ Instruction* SampleProgramComplex(CodeGen* codegen, int* flags) { codegen->MakeInstruction(BPF_RET + BPF_K, 42)); Instruction* insn4 = - codegen->MakeInstruction(BPF_JMP + BPF_JEQ + BPF_K, 42, insn1, insn3); + codegen->MakeInstruction(BPF_JMP + BPF_JEQ + BPF_K, 42, insn2, insn3); SANDBOX_ASSERT(insn4); SANDBOX_ASSERT(insn4->code == BPF_JMP + BPF_JEQ + BPF_K); SANDBOX_ASSERT(insn4->k == 42); - SANDBOX_ASSERT(insn4->jt_ptr == insn1); + SANDBOX_ASSERT(insn4->jt_ptr == insn2); SANDBOX_ASSERT(insn4->jf_ptr == insn3); - codegen->JoinInstructions(insn0, insn2); - SANDBOX_ASSERT(insn0->next == insn2); - Instruction* insn5 = codegen->MakeInstruction(BPF_LD + BPF_W + BPF_ABS, 23, insn4); SANDBOX_ASSERT(insn5); |