1 files changed, 70 insertions, 0 deletions
diff --git a/debuggerd/protocol.h b/debuggerd/protocol.h
new file mode 100644
index 000000000..144efc8f7
--- /dev/null
+++ b/debuggerd/protocol.h
@@ -0,0 +1,70 @@
+/*
+ * Copyright 2016, 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.
+ */
+
+#pragma once
+
+#include <stdint.h>
+
+// Sockets in the ANDROID_SOCKET_NAMESPACE_RESERVED namespace.
+// Both sockets are SOCK_SEQPACKET sockets, so no explicit length field is needed.
+constexpr char kTombstonedCrashSocketName[] = "tombstoned_crash";
+constexpr char kTombstonedJavaTraceSocketName[] = "tombstoned_java_trace";
+constexpr char kTombstonedInterceptSocketName[] = "tombstoned_intercept";
+
+enum class CrashPacketType : uint8_t {
+  // Initial request from crash_dump.
+  kDumpRequest = 0,
+
+  // Notification of a completed crash dump.
+  // Sent after a dump is completed and the process has been untraced, but
+  // before it has been resumed with SIGCONT.
+  kCompletedDump,
+
+  // Responses to kRequest.
+  // kPerformDump sends along an output fd via cmsg(3).
+  kPerformDump = 128,
+  kAbortDump,
+};
+
+struct DumpRequest {
+  int32_t pid;
+};
+
+// The full packet must always be written, regardless of whether the union is used.
+struct TombstonedCrashPacket {
+  CrashPacketType packet_type;
+  union {
+    DumpRequest dump_request;
+  } packet;
+};
+
+// Comes with a file descriptor via SCM_RIGHTS.
+// This packet should be sent before an actual dump happens.
+struct InterceptRequest {
+  int32_t pid;
+};
+
+enum class InterceptStatus : uint8_t {
+  kFailed,
+  kStarted,
+  kRegistered,
+};
+
+// Sent either immediately upon failure, or when the intercept has been used.
+struct InterceptResponse {
+  InterceptStatus status;
+  char error_message[127];  // always null-terminated
+};