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/*
 * Copyright (C) 2020 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

syntax = "proto3";

package simpleperf.proto;

message ETMBranchList {

  message Binary {
    string path = 1;
    string build_id = 2;

    message Address {
      // vaddr in binary, instr addr before the first branch
      uint64 addr = 1;

      message Branch {
        // Each bit represents a branch: 0 for not branch, 1 for branch.
        // Bit 0 comes first, bit 7 comes last.
        bytes branch = 1;
        uint32 branch_size = 2;
        uint64 count = 3;
      }

      repeated Branch branches = 2;
    }

    repeated Address addrs = 3;

    enum BinaryType {
      ELF_FILE = 0;
      KERNEL = 1;
      KERNEL_MODULE = 2;
    }
    BinaryType type = 4;

    message KernelBinaryInfo {
      // kernel_start_addr is used to convert kernel ip address to vaddr in vmlinux.
      // If it is zero, the Address in KERNEL binary has been converted to vaddr. Otherwise,
      // the Address in KERNEL binary is still ip address, and need to be converted later.
      uint64 kernel_start_addr = 1;
    }

    KernelBinaryInfo kernel_info = 5;

  }

  // Used to identify format in generated proto files.
  // Should always be "simpleperf:EtmBranchList".
  string magic = 1;
  repeated Binary binaries = 2;
}