6 files changed, 258 insertions, 0 deletions
diff --git a/debuggerd/libdebuggerd/include/backtrace.h b/debuggerd/libdebuggerd/include/backtrace.h
new file mode 100644
index 000000000..acd5eaac6
--- /dev/null
+++ b/debuggerd/libdebuggerd/include/backtrace.h
@@ -0,0 +1,38 @@
+/*
+ * Copyright (C) 2012 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.
+ */
+
+#ifndef _DEBUGGERD_BACKTRACE_H
+#define _DEBUGGERD_BACKTRACE_H
+
+#include <sys/types.h>
+
+#include <set>
+#include <string>
+
+#include "utility.h"
+
+class Backtrace;
+class BacktraceMap;
+
+// Dumps a backtrace using a format similar to what Dalvik uses so that the result
+// can be intermixed in a bug report.
+void dump_backtrace(int fd, BacktraceMap* map, pid_t pid, pid_t tid,
+                    const std::set<pid_t>& siblings, std::string* amfd_data);
+
+/* Dumps the backtrace in the backtrace data structure to the log. */
+void dump_backtrace_to_log(Backtrace* backtrace, log_t* log, const char* prefix);
+
+#endif // _DEBUGGERD_BACKTRACE_H
diff --git a/debuggerd/libdebuggerd/include/elf_utils.h b/debuggerd/libdebuggerd/include/elf_utils.h
new file mode 100644
index 000000000..11d0a4348
--- /dev/null
+++ b/debuggerd/libdebuggerd/include/elf_utils.h
@@ -0,0 +1,27 @@
+/*
+ * Copyright (C) 2015 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.
+ */
+
+#ifndef _DEBUGGERD_ELF_UTILS_H
+#define _DEBUGGERD_ELF_UTILS_H
+
+#include <stdint.h>
+#include <string>
+
+class Backtrace;
+
+bool elf_get_build_id(Backtrace*, uintptr_t, std::string*);
+
+#endif // _DEBUGGERD_ELF_UTILS_H
diff --git a/debuggerd/libdebuggerd/include/machine.h b/debuggerd/libdebuggerd/include/machine.h
new file mode 100644
index 000000000..e65b147f6
--- /dev/null
+++ b/debuggerd/libdebuggerd/include/machine.h
@@ -0,0 +1,29 @@
+/*
+ * Copyright (C) 2011 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.
+ */
+
+#ifndef _DEBUGGERD_MACHINE_H
+#define _DEBUGGERD_MACHINE_H
+
+#include <sys/types.h>
+
+#include <backtrace/Backtrace.h>
+
+#include "utility.h"
+
+void dump_memory_and_code(log_t* log, Backtrace* backtrace);
+void dump_registers(log_t* log, pid_t tid);
+
+#endif // _DEBUGGERD_MACHINE_H
diff --git a/debuggerd/libdebuggerd/include/open_files_list.h b/debuggerd/libdebuggerd/include/open_files_list.h
new file mode 100644
index 000000000..b37228d03
--- /dev/null
+++ b/debuggerd/libdebuggerd/include/open_files_list.h
@@ -0,0 +1,36 @@
+/*
+ * Copyright (C) 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.
+ */
+
+#ifndef _DEBUGGERD_OPEN_FILES_LIST_H
+#define _DEBUGGERD_OPEN_FILES_LIST_H
+
+#include <sys/types.h>
+
+#include <string>
+#include <utility>
+#include <vector>
+
+#include "utility.h"
+
+typedef std::vector<std::pair<int, std::string>> OpenFilesList;
+
+/* Populates the given list with open files for the given process. */
+void populate_open_files_list(pid_t pid, OpenFilesList* list);
+
+/* Dumps the open files list to the log. */
+void dump_open_files_list_to_log(const OpenFilesList& files, log_t* log, const char* prefix);
+
+#endif // _DEBUGGERD_OPEN_FILES_LIST_H
diff --git a/debuggerd/libdebuggerd/include/tombstone.h b/debuggerd/libdebuggerd/include/tombstone.h
new file mode 100644
index 000000000..4ff24af26
--- /dev/null
+++ b/debuggerd/libdebuggerd/include/tombstone.h
@@ -0,0 +1,42 @@
+/*
+ * Copyright (C) 2012 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.
+ */
+
+#ifndef _DEBUGGERD_TOMBSTONE_H
+#define _DEBUGGERD_TOMBSTONE_H
+
+#include <stdbool.h>
+#include <stddef.h>
+#include <sys/types.h>
+#include <set>
+#include <string>
+
+#include "open_files_list.h"
+
+class BacktraceMap;
+
+/* Create and open a tombstone file for writing.
+ * Returns a writable file descriptor, or -1 with errno set appropriately.
+ * If out_path is non-null, *out_path is set to the path of the tombstone file.
+ */
+int open_tombstone(std::string* path);
+
+/* Creates a tombstone file and writes the crash dump to it. */
+void engrave_tombstone(int tombstone_fd, BacktraceMap* map,
+                       const OpenFilesList& open_files, pid_t pid, pid_t tid,
+                       const std::set<pid_t>& siblings, uintptr_t abort_msg_address,
+                       std::string* amfd_data);
+
+#endif // _DEBUGGERD_TOMBSTONE_H
diff --git a/debuggerd/libdebuggerd/include/utility.h b/debuggerd/libdebuggerd/include/utility.h
new file mode 100644
index 000000000..bbc45468b
--- /dev/null
+++ b/debuggerd/libdebuggerd/include/utility.h
@@ -0,0 +1,86 @@
+/* system/debuggerd/utility.h
+**
+** Copyright 2008, 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.
+*/
+
+#ifndef _DEBUGGERD_UTILITY_H
+#define _DEBUGGERD_UTILITY_H
+
+#include <signal.h>
+#include <stdbool.h>
+#include <sys/types.h>
+
+#include <string>
+
+#include <backtrace/Backtrace.h>
+
+// Figure out the abi based on defined macros.
+#if defined(__arm__)
+#define ABI_STRING "arm"
+#elif defined(__aarch64__)
+#define ABI_STRING "arm64"
+#elif defined(__mips__) && !defined(__LP64__)
+#define ABI_STRING "mips"
+#elif defined(__mips__) && defined(__LP64__)
+#define ABI_STRING "mips64"
+#elif defined(__i386__)
+#define ABI_STRING "x86"
+#elif defined(__x86_64__)
+#define ABI_STRING "x86_64"
+#else
+#error "Unsupported ABI"
+#endif
+
+
+struct log_t{
+    // Tombstone file descriptor.
+    int tfd;
+    // Data to be sent to the Activity Manager.
+    std::string* amfd_data;
+    // The tid of the thread that crashed.
+    pid_t crashed_tid;
+    // The tid of the thread we are currently working with.
+    pid_t current_tid;
+    // logd daemon crash, can block asking for logcat data, allow suppression.
+    bool should_retrieve_logcat;
+
+    log_t()
+        : tfd(-1), amfd_data(nullptr), crashed_tid(-1), current_tid(-1),
+          should_retrieve_logcat(true) {}
+};
+
+// List of types of logs to simplify the logging decision in _LOG
+enum logtype {
+  HEADER,
+  THREAD,
+  REGISTERS,
+  FP_REGISTERS,
+  BACKTRACE,
+  MAPS,
+  MEMORY,
+  STACK,
+  LOGS,
+  OPEN_FILES
+};
+
+// Log information onto the tombstone.
+void _LOG(log_t* log, logtype ltype, const char *fmt, ...)
+        __attribute__ ((format(printf, 3, 4)));
+
+bool wait_for_signal(pid_t tid, siginfo_t* siginfo);
+
+void dump_memory(log_t* log, Backtrace* backtrace, uintptr_t addr, const char* fmt, ...);
+
+#endif // _DEBUGGERD_UTILITY_H