1*ec63e07aSXin Li // Copyright 2019 Google LLC 2*ec63e07aSXin Li // 3*ec63e07aSXin Li // Licensed under the Apache License, Version 2.0 (the "License"); 4*ec63e07aSXin Li // you may not use this file except in compliance with the License. 5*ec63e07aSXin Li // You may obtain a copy of the License at 6*ec63e07aSXin Li // 7*ec63e07aSXin Li // https://www.apache.org/licenses/LICENSE-2.0 8*ec63e07aSXin Li // 9*ec63e07aSXin Li // Unless required by applicable law or agreed to in writing, software 10*ec63e07aSXin Li // distributed under the License is distributed on an "AS IS" BASIS, 11*ec63e07aSXin Li // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12*ec63e07aSXin Li // See the License for the specific language governing permissions and 13*ec63e07aSXin Li // limitations under the License. 14*ec63e07aSXin Li 15*ec63e07aSXin Li #ifndef SANDBOXED_API_SANDBOX2_BPFDISASSEMBLER_H_ 16*ec63e07aSXin Li #define SANDBOXED_API_SANDBOX2_BPFDISASSEMBLER_H_ 17*ec63e07aSXin Li 18*ec63e07aSXin Li #include <string> 19*ec63e07aSXin Li 20*ec63e07aSXin Li #include "absl/types/span.h" 21*ec63e07aSXin Li 22*ec63e07aSXin Li struct sock_filter; 23*ec63e07aSXin Li 24*ec63e07aSXin Li namespace sandbox2 { 25*ec63e07aSXin Li namespace bpf { 26*ec63e07aSXin Li 27*ec63e07aSXin Li // Decodes a BPF instruction into textual representation. 28*ec63e07aSXin Li std::string DecodeInstruction(const sock_filter& inst, int pc); 29*ec63e07aSXin Li 30*ec63e07aSXin Li // Disassembles a BPF program. 31*ec63e07aSXin Li // Returns a human-readable textual represenation. 32*ec63e07aSXin Li std::string Disasm(absl::Span<const sock_filter> prog); 33*ec63e07aSXin Li 34*ec63e07aSXin Li } // namespace bpf 35*ec63e07aSXin Li } // namespace sandbox2 36*ec63e07aSXin Li 37*ec63e07aSXin Li #endif // SANDBOXED_API_SANDBOX2_BPFDISASSEMBLER_H_ 38