diff --git a/debuggerd/Android.bp b/debuggerd/Android.bp
index 2390d79..fd62392 100644
--- a/debuggerd/Android.bp
+++ b/debuggerd/Android.bp
@@ -176,8 +176,6 @@
         "libdebuggerd/open_files_list.cpp",
         "libdebuggerd/scudo.cpp",
         "libdebuggerd/tombstone.cpp",
-        "libdebuggerd/tombstone_proto.cpp",
-        "libdebuggerd/tombstone_proto_to_text.cpp",
         "libdebuggerd/utility.cpp",
     ],
 
@@ -208,8 +206,6 @@
     whole_static_libs: [
         "gwp_asan_crash_handler",
         "libscudo",
-        "libtombstone_proto",
-        "libprotobuf-cpp-lite",
     ],
 
     target: {
@@ -232,20 +228,6 @@
     },
 }
 
-cc_binary {
-    name: "pbtombstone",
-    defaults: ["debuggerd_defaults"],
-    srcs: ["pbtombstone.cpp"],
-    static_libs: [
-        "libbase",
-        "libdebuggerd",
-        "liblog",
-        "libprotobuf-cpp-lite",
-        "libtombstone_proto",
-        "libunwindstack",
-    ],
-}
-
 cc_test {
     name: "debuggerd_test",
     defaults: ["debuggerd_defaults"],
@@ -350,9 +332,6 @@
         "libtombstoned_client_static",
         "libdebuggerd",
         "libcutils",
-
-        "libtombstone_proto",
-        "libprotobuf-cpp-lite",
     ],
 
     shared_libs: [
diff --git a/debuggerd/crash_dump.cpp b/debuggerd/crash_dump.cpp
index 51afcc2..007a20f 100644
--- a/debuggerd/crash_dump.cpp
+++ b/debuggerd/crash_dump.cpp
@@ -195,7 +195,6 @@
 static bool g_tombstoned_connected = false;
 static unique_fd g_tombstoned_socket;
 static unique_fd g_output_fd;
-static unique_fd g_proto_fd;
 
 static void DefuseSignalHandlers() {
   // Don't try to dump ourselves.
@@ -216,7 +215,7 @@
     // If we abort before we get an output fd, contact tombstoned to let any
     // potential listeners know that we failed.
     if (!g_tombstoned_connected) {
-      if (!tombstoned_connect(g_target_thread, &g_tombstoned_socket, &g_output_fd, &g_proto_fd,
+      if (!tombstoned_connect(g_target_thread, &g_tombstoned_socket, &g_output_fd,
                               kDebuggerdAnyIntercept)) {
         // We failed to connect, not much we can do.
         LOG(ERROR) << "failed to connected to tombstoned to report failure";
@@ -249,20 +248,10 @@
   }
 
   int dump_type_int;
-  if (!android::base::ParseInt(argv[3], &dump_type_int, 0)) {
+  if (!android::base::ParseInt(argv[3], &dump_type_int, 0, 1)) {
     LOG(FATAL) << "invalid requested dump type: " << argv[3];
   }
-
   *dump_type = static_cast<DebuggerdDumpType>(dump_type_int);
-  switch (*dump_type) {
-    case kDebuggerdNativeBacktrace:
-    case kDebuggerdTombstone:
-    case kDebuggerdTombstoneProto:
-      break;
-
-    default:
-      LOG(FATAL) << "invalid requested dump type: " << dump_type_int;
-  }
 }
 
 static void ReadCrashInfo(unique_fd& fd, siginfo_t* siginfo,
@@ -491,11 +480,6 @@
       info.process_name = process_name;
       info.thread_name = get_thread_name(thread);
 
-      unique_fd attr_fd(openat(target_proc_fd, "attr/current", O_RDONLY | O_CLOEXEC));
-      if (!android::base::ReadFdToString(attr_fd, &info.selinux_label)) {
-        PLOG(WARNING) << "failed to read selinux label";
-      }
-
       if (!ptrace_interrupt(thread, &info.signo)) {
         PLOG(WARNING) << "failed to ptrace interrupt thread " << thread;
         ptrace(PTRACE_DETACH, thread, 0, 0);
@@ -574,8 +558,8 @@
   {
     ATRACE_NAME("tombstoned_connect");
     LOG(INFO) << "obtaining output fd from tombstoned, type: " << dump_type;
-    g_tombstoned_connected = tombstoned_connect(g_target_thread, &g_tombstoned_socket, &g_output_fd,
-                                                &g_proto_fd, dump_type);
+    g_tombstoned_connected =
+        tombstoned_connect(g_target_thread, &g_tombstoned_socket, &g_output_fd, dump_type);
   }
 
   if (g_tombstoned_connected) {
@@ -628,8 +612,8 @@
 
     {
       ATRACE_NAME("engrave_tombstone");
-      engrave_tombstone(std::move(g_output_fd), std::move(g_proto_fd), &unwinder, thread_info,
-                        g_target_thread, process_info, &open_files, &amfd_data);
+      engrave_tombstone(std::move(g_output_fd), &unwinder, thread_info, g_target_thread, process_info,
+                        &open_files, &amfd_data);
     }
   }
 
diff --git a/debuggerd/handler/debuggerd_fallback.cpp b/debuggerd/handler/debuggerd_fallback.cpp
index feafa73..e103c82 100644
--- a/debuggerd/handler/debuggerd_fallback.cpp
+++ b/debuggerd/handler/debuggerd_fallback.cpp
@@ -92,15 +92,15 @@
   __linker_disable_fallback_allocator();
 }
 
-static void debuggerd_fallback_tombstone(int output_fd, int proto_fd, ucontext_t* ucontext,
-                                         siginfo_t* siginfo, void* abort_message) {
+static void debuggerd_fallback_tombstone(int output_fd, ucontext_t* ucontext, siginfo_t* siginfo,
+                                         void* abort_message) {
   if (!__linker_enable_fallback_allocator()) {
     async_safe_format_log(ANDROID_LOG_ERROR, "libc", "fallback allocator already in use");
     return;
   }
 
-  engrave_tombstone_ucontext(output_fd, proto_fd, reinterpret_cast<uintptr_t>(abort_message),
-                             siginfo, ucontext);
+  engrave_tombstone_ucontext(output_fd, reinterpret_cast<uintptr_t>(abort_message), siginfo,
+                             ucontext);
   __linker_disable_fallback_allocator();
 }
 
@@ -232,8 +232,7 @@
 
   // Fetch output fd from tombstoned.
   unique_fd tombstone_socket, output_fd;
-  if (!tombstoned_connect(getpid(), &tombstone_socket, &output_fd, nullptr,
-                          kDebuggerdNativeBacktrace)) {
+  if (!tombstoned_connect(getpid(), &tombstone_socket, &output_fd, kDebuggerdNativeBacktrace)) {
     async_safe_format_log(ANDROID_LOG_ERROR, "libc",
                           "missing crash_dump_fallback() in selinux policy?");
     goto exit;
@@ -326,10 +325,10 @@
     _exit(1);
   }
 
-  unique_fd tombstone_socket, output_fd, proto_fd;
-  bool tombstoned_connected = tombstoned_connect(getpid(), &tombstone_socket, &output_fd, &proto_fd,
-                                                 kDebuggerdTombstoneProto);
-  debuggerd_fallback_tombstone(output_fd.get(), proto_fd.get(), ucontext, info, abort_message);
+  unique_fd tombstone_socket, output_fd;
+  bool tombstoned_connected =
+      tombstoned_connect(getpid(), &tombstone_socket, &output_fd, kDebuggerdTombstone);
+  debuggerd_fallback_tombstone(output_fd.get(), ucontext, info, abort_message);
   if (tombstoned_connected) {
     tombstoned_notify_completion(tombstone_socket.get());
   }
diff --git a/debuggerd/handler/debuggerd_handler.cpp b/debuggerd/handler/debuggerd_handler.cpp
index ca809e4..1297c4d 100644
--- a/debuggerd/handler/debuggerd_handler.cpp
+++ b/debuggerd/handler/debuggerd_handler.cpp
@@ -312,7 +312,7 @@
     return kDebuggerdNativeBacktrace;
   }
 
-  return kDebuggerdTombstoneProto;
+  return kDebuggerdTombstone;
 }
 
 static int debuggerd_dispatch_pseudothread(void* arg) {
diff --git a/debuggerd/libdebuggerd/include/libdebuggerd/tombstone.h b/debuggerd/libdebuggerd/include/libdebuggerd/tombstone.h
index bf2cbb3..3ff7d62 100644
--- a/debuggerd/libdebuggerd/include/libdebuggerd/tombstone.h
+++ b/debuggerd/libdebuggerd/include/libdebuggerd/tombstone.h
@@ -21,7 +21,6 @@
 #include <stddef.h>
 #include <sys/types.h>
 
-#include <functional>
 #include <map>
 #include <string>
 
@@ -31,8 +30,6 @@
 #include "types.h"
 
 // Forward declarations
-class Tombstone;
-
 namespace unwindstack {
 class Unwinder;
 }
@@ -47,21 +44,13 @@
 int open_tombstone(std::string* path);
 
 /* Creates a tombstone file and writes the crash dump to it. */
-void engrave_tombstone(android::base::unique_fd output_fd, android::base::unique_fd proto_fd,
-                       unwindstack::Unwinder* unwinder,
+void engrave_tombstone(android::base::unique_fd output_fd, unwindstack::Unwinder* unwinder,
                        const std::map<pid_t, ThreadInfo>& thread_info, pid_t target_thread,
                        const ProcessInfo& process_info, OpenFilesList* open_files,
                        std::string* amfd_data);
 
-void engrave_tombstone_ucontext(int tombstone_fd, int proto_fd, uint64_t abort_msg_address,
-                                siginfo_t* siginfo, ucontext_t* ucontext);
+void engrave_tombstone_ucontext(int tombstone_fd, uint64_t abort_msg_address, siginfo_t* siginfo,
+                                ucontext_t* ucontext);
 
-void engrave_tombstone_proto(Tombstone* tombstone, unwindstack::Unwinder* unwinder,
-                             const std::map<pid_t, ThreadInfo>& threads, pid_t target_thread,
-                             const ProcessInfo& process_info, const OpenFilesList* open_files);
-
-bool tombstone_proto_to_text(
-    const Tombstone& tombstone,
-    std::function<void(const std::string& line, bool should_log)> callback);
 
 #endif  // _DEBUGGERD_TOMBSTONE_H
diff --git a/debuggerd/libdebuggerd/include/libdebuggerd/types.h b/debuggerd/libdebuggerd/include/libdebuggerd/types.h
index d5b0735..86522ee 100644
--- a/debuggerd/libdebuggerd/include/libdebuggerd/types.h
+++ b/debuggerd/libdebuggerd/include/libdebuggerd/types.h
@@ -31,9 +31,7 @@
   std::string thread_name;
 
   pid_t pid;
-
   std::string process_name;
-  std::string selinux_label;
 
   int signo = 0;
   siginfo_t* siginfo = nullptr;
diff --git a/debuggerd/libdebuggerd/include/libdebuggerd/utility.h b/debuggerd/libdebuggerd/include/libdebuggerd/utility.h
index d71b76f..29fb9a4 100644
--- a/debuggerd/libdebuggerd/include/libdebuggerd/utility.h
+++ b/debuggerd/libdebuggerd/include/libdebuggerd/utility.h
@@ -81,8 +81,6 @@
 
 void log_backtrace(log_t* log, unwindstack::Unwinder* unwinder, const char* prefix);
 
-ssize_t dump_memory(void* out, size_t len, size_t* start_offset, uint64_t* addr,
-                    unwindstack::Memory* memory);
 void dump_memory(log_t* log, unwindstack::Memory* backtrace, uint64_t addr, const std::string&);
 
 void drop_capabilities();
diff --git a/debuggerd/libdebuggerd/tombstone.cpp b/debuggerd/libdebuggerd/tombstone.cpp
index 822b74a..4bd7192 100644
--- a/debuggerd/libdebuggerd/tombstone.cpp
+++ b/debuggerd/libdebuggerd/tombstone.cpp
@@ -63,8 +63,6 @@
 #include "gwp_asan/common.h"
 #include "gwp_asan/crash_handler.h"
 
-#include "tombstone.pb.h"
-
 using android::base::GetBoolProperty;
 using android::base::GetProperty;
 using android::base::StringPrintf;
@@ -192,7 +190,8 @@
 static std::string get_addr_string(uint64_t addr) {
   std::string addr_str;
 #if defined(__LP64__)
-  addr_str = StringPrintf("%08x'%08x", static_cast<uint32_t>(addr >> 32),
+  addr_str = StringPrintf("%08x'%08x",
+                          static_cast<uint32_t>(addr >> 32),
                           static_cast<uint32_t>(addr & 0xffffffff));
 #else
   addr_str = StringPrintf("%08x", static_cast<uint32_t>(addr));
@@ -395,7 +394,8 @@
   if (primary_thread && gwp_asan_crash_data->CrashIsMine()) {
     gwp_asan_crash_data->DumpCause(log);
   } else if (thread_info.siginfo && !(primary_thread && scudo_crash_data->CrashIsMine())) {
-    dump_probable_cause(log, thread_info.siginfo, unwinder->GetMaps(), thread_info.registers.get());
+    dump_probable_cause(log, thread_info.siginfo, unwinder->GetMaps(),
+                        thread_info.registers.get());
   }
 
   if (primary_thread) {
@@ -492,7 +492,8 @@
     // the tombstone file.
 
     if (first) {
-      _LOG(log, logtype::LOGS, "--------- %slog %s\n", tail ? "tail end of " : "", filename);
+      _LOG(log, logtype::LOGS, "--------- %slog %s\n",
+        tail ? "tail end of " : "", filename);
       first = false;
     }
 
@@ -553,8 +554,8 @@
   dump_log_file(log, pid, "main", tail);
 }
 
-void engrave_tombstone_ucontext(int tombstone_fd, int proto_fd, uint64_t abort_msg_address,
-                                siginfo_t* siginfo, ucontext_t* ucontext) {
+void engrave_tombstone_ucontext(int tombstone_fd, uint64_t abort_msg_address, siginfo_t* siginfo,
+                                ucontext_t* ucontext) {
   pid_t uid = getuid();
   pid_t pid = getpid();
   pid_t tid = gettid();
@@ -571,18 +572,14 @@
   std::unique_ptr<unwindstack::Regs> regs(
       unwindstack::Regs::CreateFromUcontext(unwindstack::Regs::CurrentArch(), ucontext));
 
-  std::string selinux_label;
-  android::base::ReadFileToString("/proc/self/attr/current", &selinux_label);
-
   std::map<pid_t, ThreadInfo> threads;
   threads[tid] = ThreadInfo{
       .registers = std::move(regs),
       .uid = uid,
       .tid = tid,
-      .thread_name = std::move(thread_name),
+      .thread_name = thread_name.c_str(),
       .pid = pid,
-      .process_name = std::move(process_name),
-      .selinux_label = std::move(selinux_label),
+      .process_name = process_name.c_str(),
       .siginfo = siginfo,
   };
 
@@ -592,23 +589,17 @@
   }
 
   ProcessInfo process_info;
-  unique_fd attr_fd(open("/proc/self/attr/current", O_RDONLY | O_CLOEXEC));
   process_info.abort_msg_address = abort_msg_address;
-  engrave_tombstone(unique_fd(dup(tombstone_fd)), unique_fd(dup(proto_fd)), &unwinder, threads, tid,
-                    process_info, nullptr, nullptr);
+  engrave_tombstone(unique_fd(dup(tombstone_fd)), &unwinder, threads, tid, process_info, nullptr,
+                    nullptr);
 }
 
-void engrave_tombstone(unique_fd output_fd, unique_fd proto_fd, unwindstack::Unwinder* unwinder,
+void engrave_tombstone(unique_fd output_fd, unwindstack::Unwinder* unwinder,
                        const std::map<pid_t, ThreadInfo>& threads, pid_t target_thread,
                        const ProcessInfo& process_info, OpenFilesList* open_files,
                        std::string* amfd_data) {
   // Don't copy log messages to tombstone unless this is a development device.
-  Tombstone tombstone;
-  engrave_tombstone_proto(&tombstone, unwinder, threads, target_thread, process_info, open_files);
-
-  if (!tombstone.SerializeToFileDescriptor(proto_fd.get())) {
-    PLOG(ERROR) << "Failed to write proto tombstone";
-  }
+  bool want_logs = GetBoolProperty("ro.debuggable", false);
 
   log_t log;
   log.current_tid = target_thread;
@@ -616,45 +607,35 @@
   log.tfd = output_fd.get();
   log.amfd_data = amfd_data;
 
-  bool translate_proto = GetBoolProperty("debug.debuggerd.translate_proto_to_text", false);
-  if (translate_proto) {
-    tombstone_proto_to_text(tombstone, [&log](const std::string& line, bool should_log) {
-      _LOG(&log, should_log ? logtype::HEADER : logtype::LOGS, "%s\n", line.c_str());
-    });
-  } else {
-    bool want_logs = GetBoolProperty("ro.debuggable", false);
+  _LOG(&log, logtype::HEADER, "*** *** *** *** *** *** *** *** *** *** *** *** *** *** *** ***\n");
+  dump_header_info(&log);
+  _LOG(&log, logtype::HEADER, "Timestamp: %s\n", get_timestamp().c_str());
 
-    _LOG(&log, logtype::HEADER,
-         "*** *** *** *** *** *** *** *** *** *** *** *** *** *** *** ***\n");
-    dump_header_info(&log);
-    _LOG(&log, logtype::HEADER, "Timestamp: %s\n", get_timestamp().c_str());
+  auto it = threads.find(target_thread);
+  if (it == threads.end()) {
+    LOG(FATAL) << "failed to find target thread";
+  }
 
-    auto it = threads.find(target_thread);
-    if (it == threads.end()) {
-      LOG(FATAL) << "failed to find target thread";
+  dump_thread(&log, unwinder, it->second, process_info, true);
+
+  if (want_logs) {
+    dump_logs(&log, it->second.pid, 50);
+  }
+
+  for (auto& [tid, thread_info] : threads) {
+    if (tid == target_thread) {
+      continue;
     }
 
-    dump_thread(&log, unwinder, it->second, process_info, true);
+    dump_thread(&log, unwinder, thread_info, process_info, false);
+  }
 
-    if (want_logs) {
-      dump_logs(&log, it->second.pid, 50);
-    }
+  if (open_files) {
+    _LOG(&log, logtype::OPEN_FILES, "\nopen files:\n");
+    dump_open_files_list(&log, *open_files, "    ");
+  }
 
-    for (auto& [tid, thread_info] : threads) {
-      if (tid == target_thread) {
-        continue;
-      }
-
-      dump_thread(&log, unwinder, thread_info, process_info, false);
-    }
-
-    if (open_files) {
-      _LOG(&log, logtype::OPEN_FILES, "\nopen files:\n");
-      dump_open_files_list(&log, *open_files, "    ");
-    }
-
-    if (want_logs) {
-      dump_logs(&log, it->second.pid, 0);
-    }
+  if (want_logs) {
+    dump_logs(&log, it->second.pid, 0);
   }
 }
diff --git a/debuggerd/libdebuggerd/tombstone_proto.cpp b/debuggerd/libdebuggerd/tombstone_proto.cpp
deleted file mode 100644
index 17e401e..0000000
--- a/debuggerd/libdebuggerd/tombstone_proto.cpp
+++ /dev/null
@@ -1,478 +0,0 @@
-/*
- * 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.
- */
-
-#define LOG_TAG "DEBUG"
-
-#include "libdebuggerd/tombstone.h"
-
-#include <errno.h>
-#include <fcntl.h>
-#include <inttypes.h>
-#include <signal.h>
-#include <stddef.h>
-#include <stdlib.h>
-#include <string.h>
-#include <sys/mman.h>
-#include <time.h>
-
-#include <memory>
-#include <string>
-
-#include <android-base/logging.h>
-#include <android-base/properties.h>
-#include <android-base/stringprintf.h>
-#include <android-base/strings.h>
-#include <android-base/unique_fd.h>
-
-#include <android/log.h>
-#include <log/log.h>
-#include <log/log_read.h>
-#include <log/logprint.h>
-#include <private/android_filesystem_config.h>
-
-#include <unwindstack/Maps.h>
-#include <unwindstack/Memory.h>
-#include <unwindstack/Regs.h>
-#include <unwindstack/Unwinder.h>
-
-#include "libdebuggerd/open_files_list.h"
-#include "libdebuggerd/utility.h"
-#include "util.h"
-
-#include "tombstone.pb.h"
-
-using android::base::StringPrintf;
-
-// Use the demangler from libc++.
-extern "C" char* __cxa_demangle(const char*, char*, size_t*, int* status);
-
-static Architecture get_arch() {
-#if defined(__arm__)
-  return Architecture::ARM32;
-#elif defined(__aarch64__)
-  return Architecture::ARM64;
-#elif defined(__i386__)
-  return Architecture::X86;
-#elif defined(__x86_64__)
-  return Architecture::X86_64;
-#else
-#error Unknown architecture!
-#endif
-}
-
-static std::optional<std::string> get_stack_overflow_cause(uint64_t fault_addr, uint64_t sp,
-                                                           unwindstack::Maps* maps) {
-  static constexpr uint64_t kMaxDifferenceBytes = 256;
-  uint64_t difference;
-  if (sp >= fault_addr) {
-    difference = sp - fault_addr;
-  } else {
-    difference = fault_addr - sp;
-  }
-  if (difference <= kMaxDifferenceBytes) {
-    // The faulting address is close to the current sp, check if the sp
-    // indicates a stack overflow.
-    // On arm, the sp does not get updated when the instruction faults.
-    // In this case, the sp will still be in a valid map, which is the
-    // last case below.
-    // On aarch64, the sp does get updated when the instruction faults.
-    // In this case, the sp will be in either an invalid map if triggered
-    // on the main thread, or in a guard map if in another thread, which
-    // will be the first case or second case from below.
-    unwindstack::MapInfo* map_info = maps->Find(sp);
-    if (map_info == nullptr) {
-      return "stack pointer is in a non-existent map; likely due to stack overflow.";
-    } else if ((map_info->flags & (PROT_READ | PROT_WRITE)) != (PROT_READ | PROT_WRITE)) {
-      return "stack pointer is not in a rw map; likely due to stack overflow.";
-    } else if ((sp - map_info->start) <= kMaxDifferenceBytes) {
-      return "stack pointer is close to top of stack; likely stack overflow.";
-    }
-  }
-  return {};
-}
-
-static void dump_probable_cause(Tombstone* tombstone, const siginfo_t* si, unwindstack::Maps* maps,
-                                unwindstack::Regs* regs) {
-  std::optional<std::string> cause;
-  if (si->si_signo == SIGSEGV && si->si_code == SEGV_MAPERR) {
-    if (si->si_addr < reinterpret_cast<void*>(4096)) {
-      cause = "null pointer dereference";
-    } else if (si->si_addr == reinterpret_cast<void*>(0xffff0ffc)) {
-      cause = "call to kuser_helper_version";
-    } else if (si->si_addr == reinterpret_cast<void*>(0xffff0fe0)) {
-      cause = "call to kuser_get_tls";
-    } else if (si->si_addr == reinterpret_cast<void*>(0xffff0fc0)) {
-      cause = "call to kuser_cmpxchg";
-    } else if (si->si_addr == reinterpret_cast<void*>(0xffff0fa0)) {
-      cause = "call to kuser_memory_barrier";
-    } else if (si->si_addr == reinterpret_cast<void*>(0xffff0f60)) {
-      cause = "call to kuser_cmpxchg64";
-    } else {
-      cause = get_stack_overflow_cause(reinterpret_cast<uint64_t>(si->si_addr), regs->sp(), maps);
-    }
-  } else if (si->si_signo == SIGSEGV && si->si_code == SEGV_ACCERR) {
-    uint64_t fault_addr = reinterpret_cast<uint64_t>(si->si_addr);
-    unwindstack::MapInfo* map_info = maps->Find(fault_addr);
-    if (map_info != nullptr && map_info->flags == PROT_EXEC) {
-      cause = "execute-only (no-read) memory access error; likely due to data in .text.";
-    } else {
-      cause = get_stack_overflow_cause(fault_addr, regs->sp(), maps);
-    }
-  } else if (si->si_signo == SIGSYS && si->si_code == SYS_SECCOMP) {
-    cause = StringPrintf("seccomp prevented call to disallowed %s system call %d", ABI_STRING,
-                         si->si_syscall);
-  }
-
-  if (cause) {
-    tombstone->mutable_cause()->set_human_readable(*cause);
-  }
-}
-
-static void dump_abort_message(Tombstone* tombstone, unwindstack::Unwinder* unwinder,
-                               const ProcessInfo& process_info) {
-  std::shared_ptr<unwindstack::Memory> process_memory = unwinder->GetProcessMemory();
-  uintptr_t address = process_info.abort_msg_address;
-  if (address == 0) {
-    return;
-  }
-
-  size_t length;
-  if (!process_memory->ReadFully(address, &length, sizeof(length))) {
-    PLOG(ERROR) << "Failed to read abort message header";
-    return;
-  }
-
-  // The length field includes the length of the length field itself.
-  if (length < sizeof(size_t)) {
-    LOG(ERROR) << "Abort message header malformed: claimed length = " << length;
-    return;
-  }
-
-  length -= sizeof(size_t);
-
-  // The abort message should be null terminated already, but reserve a spot for NUL just in case.
-  std::string msg;
-  msg.resize(length);
-
-  if (!process_memory->ReadFully(address + sizeof(length), &msg[0], length)) {
-    PLOG(ERROR) << "Failed to read abort message header";
-    return;
-  }
-
-  tombstone->set_abort_message(msg);
-}
-
-static void dump_open_fds(Tombstone* tombstone, const OpenFilesList* open_files) {
-  if (open_files) {
-    for (auto& [fd, entry] : *open_files) {
-      FD f;
-
-      f.set_fd(fd);
-
-      const std::optional<std::string>& path = entry.path;
-      if (path) {
-        f.set_path(*path);
-      }
-
-      const std::optional<uint64_t>& fdsan_owner = entry.fdsan_owner;
-      if (fdsan_owner) {
-        const char* type = android_fdsan_get_tag_type(*fdsan_owner);
-        uint64_t value = android_fdsan_get_tag_value(*fdsan_owner);
-        f.set_owner(type);
-        f.set_tag(value);
-      }
-
-      *tombstone->add_open_fds() = f;
-    }
-  }
-}
-
-static void dump_thread(Tombstone* tombstone, unwindstack::Unwinder* unwinder,
-                        const ThreadInfo& thread_info, bool memory_dump = false) {
-  Thread thread;
-
-  thread.set_id(thread_info.tid);
-  thread.set_name(thread_info.thread_name);
-
-  unwindstack::Maps* maps = unwinder->GetMaps();
-  unwindstack::Memory* memory = unwinder->GetProcessMemory().get();
-
-  thread_info.registers->IterateRegisters(
-      [&thread, memory_dump, maps, memory](const char* name, uint64_t value) {
-        Register r;
-        r.set_name(name);
-        r.set_u64(value);
-        *thread.add_registers() = r;
-
-        if (memory_dump) {
-          MemoryDump dump;
-
-          char buf[256];
-          size_t start_offset = 0;
-          ssize_t bytes = dump_memory(buf, sizeof(buf), &start_offset, &value, memory);
-          if (bytes == -1) {
-            return;
-          }
-
-          dump.set_register_name(name);
-
-          unwindstack::MapInfo* map_info = maps->Find(value);
-          if (map_info) {
-            dump.set_mapping_name(map_info->name);
-          }
-
-          dump.set_begin_address(value);
-
-          CHECK(start_offset + bytes <= sizeof(buf));
-          dump.set_memory(buf, start_offset + bytes);
-
-          *thread.add_memory_dump() = std::move(dump);
-        }
-      });
-
-  std::unique_ptr<unwindstack::Regs> regs_copy(thread_info.registers->Clone());
-  unwinder->SetRegs(regs_copy.get());
-  unwinder->Unwind();
-  if (unwinder->NumFrames() == 0) {
-    LOG(ERROR) << "Failed to unwind";
-    if (unwinder->LastErrorCode() != unwindstack::ERROR_NONE) {
-      LOG(ERROR) << "  Error code: " << unwinder->LastErrorCodeString();
-      LOG(ERROR) << "  Error address: " << StringPrintf("0x%" PRIx64, unwinder->LastErrorAddress());
-    }
-  } else {
-    unwinder->SetDisplayBuildID(true);
-    for (const auto& frame : unwinder->frames()) {
-      BacktraceFrame* f = thread.add_current_backtrace();
-      f->set_rel_pc(frame.rel_pc);
-      f->set_pc(frame.pc);
-      f->set_sp(frame.sp);
-
-      if (!frame.function_name.empty()) {
-        // TODO: Should this happen here, or on the display side?
-        char* demangled_name =
-            __cxa_demangle(frame.function_name.c_str(), nullptr, nullptr, nullptr);
-        if (demangled_name) {
-          f->set_function_name(demangled_name);
-          free(demangled_name);
-        } else {
-          f->set_function_name(frame.function_name);
-        }
-      }
-
-      f->set_function_offset(frame.function_offset);
-
-      if (frame.map_start == frame.map_end) {
-        // No valid map associated with this frame.
-        f->set_file_name("<unknown>");
-      } else if (!frame.map_name.empty()) {
-        f->set_file_name(frame.map_name);
-      } else {
-        f->set_file_name(StringPrintf("<anonymous:%" PRIx64 ">", frame.map_start));
-      }
-
-      f->set_file_map_offset(frame.map_elf_start_offset);
-
-      unwindstack::MapInfo* map_info = maps->Find(frame.map_start);
-      if (map_info) {
-        f->set_build_id(map_info->GetPrintableBuildID());
-      }
-    }
-  }
-
-  auto& threads = *tombstone->mutable_threads();
-  threads[thread_info.tid] = thread;
-}
-
-static void dump_main_thread(Tombstone* tombstone, unwindstack::Unwinder* unwinder,
-                             const ThreadInfo& thread_info) {
-  dump_thread(tombstone, unwinder, thread_info, true);
-}
-
-static void dump_mappings(Tombstone* tombstone, unwindstack::Unwinder* unwinder) {
-  unwindstack::Maps* maps = unwinder->GetMaps();
-  std::shared_ptr<unwindstack::Memory> process_memory = unwinder->GetProcessMemory();
-
-  for (const auto& map_info : *maps) {
-    auto* map = tombstone->add_memory_mappings();
-    map->set_begin_address(map_info->start);
-    map->set_end_address(map_info->end);
-    map->set_offset(map_info->offset);
-
-    if (map_info->flags & PROT_READ) {
-      map->set_read(true);
-    }
-    if (map_info->flags & PROT_WRITE) {
-      map->set_write(true);
-    }
-    if (map_info->flags & PROT_EXEC) {
-      map->set_execute(true);
-    }
-
-    map->set_mapping_name(map_info->name);
-
-    std::string build_id = map_info->GetPrintableBuildID();
-    if (!build_id.empty()) {
-      map->set_build_id(build_id);
-    }
-
-    map->set_load_bias(map_info->GetLoadBias(process_memory));
-  }
-}
-
-static void dump_log_file(Tombstone* tombstone, const char* logger, pid_t pid) {
-  logger_list* logger_list =
-      android_logger_list_open(android_name_to_log_id(logger), ANDROID_LOG_NONBLOCK, 0, pid);
-
-  LogBuffer buffer;
-
-  while (true) {
-    log_msg log_entry;
-    ssize_t actual = android_logger_list_read(logger_list, &log_entry);
-
-    if (actual < 0) {
-      if (actual == -EINTR) {
-        // interrupted by signal, retry
-        continue;
-      }
-      if (actual == -EAGAIN) {
-        // non-blocking EOF; we're done
-        break;
-      } else {
-        ALOGE("Error while reading log: %s\n", strerror(-actual));
-        break;
-      }
-    } else if (actual == 0) {
-      ALOGE("Got zero bytes while reading log: %s\n", strerror(errno));
-      break;
-    }
-
-    char timestamp_secs[32];
-    time_t sec = static_cast<time_t>(log_entry.entry.sec);
-    tm tm;
-    localtime_r(&sec, &tm);
-    strftime(timestamp_secs, sizeof(timestamp_secs), "%m-%d %H:%M:%S", &tm);
-    std::string timestamp =
-        StringPrintf("%s.%03d", timestamp_secs, log_entry.entry.nsec / 1'000'000);
-
-    // Msg format is: <priority:1><tag:N>\0<message:N>\0
-    char* msg = log_entry.msg();
-    if (msg == nullptr) {
-      continue;
-    }
-
-    unsigned char prio = msg[0];
-    char* tag = msg + 1;
-    msg = tag + strlen(tag) + 1;
-
-    // consume any trailing newlines
-    char* nl = msg + strlen(msg) - 1;
-    while (nl >= msg && *nl == '\n') {
-      *nl-- = '\0';
-    }
-
-    // Look for line breaks ('\n') and display each text line
-    // on a separate line, prefixed with the header, like logcat does.
-    do {
-      nl = strchr(msg, '\n');
-      if (nl != nullptr) {
-        *nl = '\0';
-        ++nl;
-      }
-
-      LogMessage* log_msg = buffer.add_logs();
-      log_msg->set_timestamp(timestamp);
-      log_msg->set_pid(log_entry.entry.pid);
-      log_msg->set_tid(log_entry.entry.tid);
-      log_msg->set_priority(prio);
-      log_msg->set_tag(tag);
-      log_msg->set_message(msg);
-    } while ((msg = nl));
-  }
-  android_logger_list_free(logger_list);
-
-  if (!buffer.logs().empty()) {
-    buffer.set_name(logger);
-    *tombstone->add_log_buffers() = std::move(buffer);
-  }
-}
-
-static void dump_logcat(Tombstone* tombstone, pid_t pid) {
-  dump_log_file(tombstone, "system", pid);
-  dump_log_file(tombstone, "main", pid);
-}
-
-void engrave_tombstone_proto(Tombstone* tombstone, unwindstack::Unwinder* unwinder,
-                             const std::map<pid_t, ThreadInfo>& threads, pid_t target_thread,
-                             const ProcessInfo& process_info, const OpenFilesList* open_files) {
-  Tombstone result;
-
-  result.set_arch(get_arch());
-  result.set_build_fingerprint(android::base::GetProperty("ro.build.fingerprint", "unknown"));
-  result.set_revision(android::base::GetProperty("ro.revision", "unknown"));
-  result.set_timestamp(get_timestamp());
-
-  const ThreadInfo& main_thread = threads.at(target_thread);
-  result.set_pid(main_thread.pid);
-  result.set_tid(main_thread.tid);
-  result.set_uid(main_thread.uid);
-  result.set_selinux_label(main_thread.selinux_label);
-
-  result.set_process_name(main_thread.process_name);
-  CHECK(main_thread.siginfo != nullptr);
-
-  Signal sig;
-  sig.set_number(main_thread.signo);
-  sig.set_name(get_signame(main_thread.siginfo));
-  sig.set_code(main_thread.siginfo->si_code);
-  sig.set_code_name(get_sigcode(main_thread.siginfo));
-
-  if (signal_has_sender(main_thread.siginfo, main_thread.pid)) {
-    sig.set_has_sender(true);
-    sig.set_sender_uid(main_thread.siginfo->si_uid);
-    sig.set_sender_pid(main_thread.siginfo->si_pid);
-  }
-
-  if (process_info.has_fault_address) {
-    sig.set_has_fault_address(true);
-    sig.set_fault_address(process_info.fault_address);
-  }
-
-  *result.mutable_signal_info() = sig;
-
-  dump_abort_message(&result, unwinder, process_info);
-
-  dump_main_thread(&result, unwinder, main_thread);
-
-  for (const auto& [tid, thread_info] : threads) {
-    if (tid != target_thread) {
-      dump_thread(&result, unwinder, thread_info);
-    }
-  }
-
-  dump_probable_cause(&result, main_thread.siginfo, unwinder->GetMaps(),
-                      main_thread.registers.get());
-
-  dump_mappings(&result, unwinder);
-
-  // Only dump logs on debuggable devices.
-  if (android::base::GetBoolProperty("ro.debuggable", false)) {
-    dump_logcat(&result, main_thread.pid);
-  }
-
-  dump_open_fds(&result, open_files);
-
-  *tombstone = std::move(result);
-}
diff --git a/debuggerd/libdebuggerd/tombstone_proto_to_text.cpp b/debuggerd/libdebuggerd/tombstone_proto_to_text.cpp
deleted file mode 100644
index 5ba0ad6..0000000
--- a/debuggerd/libdebuggerd/tombstone_proto_to_text.cpp
+++ /dev/null
@@ -1,361 +0,0 @@
-/*
- * 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.
- */
-
-#include <libdebuggerd/tombstone.h>
-
-#include <inttypes.h>
-
-#include <functional>
-#include <set>
-#include <string>
-#include <unordered_set>
-#include <utility>
-#include <vector>
-
-#include <android-base/logging.h>
-#include <android-base/stringprintf.h>
-#include <android-base/unique_fd.h>
-
-#include "tombstone.pb.h"
-
-using android::base::StringAppendF;
-using android::base::StringPrintf;
-
-#define CB(log, ...) callback(StringPrintf(__VA_ARGS__), log)
-#define CBL(...) CB(true, __VA_ARGS__)
-#define CBS(...) CB(false, __VA_ARGS__)
-using CallbackType = std::function<void(const std::string& line, bool should_log)>;
-
-static const char* abi_string(const Tombstone& tombstone) {
-  switch (tombstone.arch()) {
-    case Architecture::ARM32:
-      return "arm";
-    case Architecture::ARM64:
-      return "arm64";
-    case Architecture::X86:
-      return "x86";
-    case Architecture::X86_64:
-      return "x86_64";
-    default:
-      return "<unknown>";
-  }
-}
-
-static int pointer_width(const Tombstone& tombstone) {
-  switch (tombstone.arch()) {
-    case Architecture::ARM32:
-      return 4;
-    case Architecture::ARM64:
-      return 8;
-    case Architecture::X86:
-      return 4;
-    case Architecture::X86_64:
-      return 8;
-    default:
-      return 8;
-  }
-}
-
-static void print_thread_header(CallbackType callback, const Tombstone& tombstone,
-                                const Thread& thread, bool should_log) {
-  CB(should_log, "pid: %d, tid: %d, name: %s  >>> %s <<<", tombstone.pid(), thread.id(),
-     thread.name().c_str(), tombstone.process_name().c_str());
-  CB(should_log, "uid: %d", tombstone.uid());
-}
-
-static void print_register_row(CallbackType callback, int word_size,
-                               std::vector<std::pair<std::string, uint64_t>> row, bool should_log) {
-  std::string output = "  ";
-  for (const auto& [name, value] : row) {
-    output += android::base::StringPrintf("  %-3s %0*" PRIx64, name.c_str(), 2 * word_size,
-                                          static_cast<uint64_t>(value));
-  }
-  callback(output, should_log);
-}
-
-static void print_thread_registers(CallbackType callback, const Tombstone& tombstone,
-                                   const Thread& thread, bool should_log) {
-  static constexpr size_t column_count = 4;
-  std::vector<std::pair<std::string, uint64_t>> current_row;
-  std::vector<std::pair<std::string, uint64_t>> special_row;
-  std::unordered_set<std::string> special_registers;
-
-  int word_size = pointer_width(tombstone);
-
-  switch (tombstone.arch()) {
-    case Architecture::ARM32:
-      special_registers = {"ip", "lr", "sp", "pc", "pst"};
-      break;
-
-    case Architecture::ARM64:
-      special_registers = {"ip", "lr", "sp", "pc", "pst"};
-      break;
-
-    case Architecture::X86:
-      special_registers = {"ebp", "esp", "eip"};
-      break;
-
-    case Architecture::X86_64:
-      special_registers = {"rbp", "rsp", "rip"};
-      break;
-
-    default:
-      LOG(FATAL) << "unknown architecture";
-  }
-
-  for (const auto& reg : thread.registers()) {
-    auto row = &current_row;
-    if (special_registers.count(reg.name()) == 1) {
-      row = &special_row;
-    }
-
-    row->emplace_back(reg.name(), reg.u64());
-    if (current_row.size() == column_count) {
-      print_register_row(callback, word_size, current_row, should_log);
-      current_row.clear();
-    }
-  }
-
-  if (!current_row.empty()) {
-    print_register_row(callback, word_size, current_row, should_log);
-  }
-
-  print_register_row(callback, word_size, special_row, should_log);
-}
-
-static void print_thread_backtrace(CallbackType callback, const Tombstone& tombstone,
-                                   const Thread& thread, bool should_log) {
-  CBS("");
-  CB(should_log, "backtrace:");
-  int index = 0;
-  for (const auto& frame : thread.current_backtrace()) {
-    std::string function;
-
-    if (!frame.function_name().empty()) {
-      function =
-          StringPrintf(" (%s+%" PRId64 ")", frame.function_name().c_str(), frame.function_offset());
-    }
-
-    std::string build_id;
-    if (!frame.build_id().empty()) {
-      build_id = StringPrintf(" (BuildId: %s)", frame.build_id().c_str());
-    }
-
-    CB(should_log, "      #%02d pc %0*" PRIx64 "  %s%s%s", index++, pointer_width(tombstone) * 2,
-       frame.rel_pc(), frame.file_name().c_str(), function.c_str(), build_id.c_str());
-  }
-}
-
-static void print_thread_memory_dump(CallbackType callback, const Tombstone& tombstone,
-                                     const Thread& thread) {
-  static constexpr size_t bytes_per_line = 16;
-  int word_size = pointer_width(tombstone);
-  for (const auto& mem : thread.memory_dump()) {
-    CBS("");
-    CBS("memory near %s (%s):", mem.register_name().c_str(), mem.mapping_name().c_str());
-    uint64_t addr = mem.begin_address();
-    for (size_t offset = 0; offset < mem.memory().size(); offset += bytes_per_line) {
-      std::string line = StringPrintf("    %0*" PRIx64, word_size * 2, addr + offset);
-
-      size_t bytes = std::min(bytes_per_line, mem.memory().size() - offset);
-      for (size_t i = 0; i < bytes; i += word_size) {
-        uint64_t word = 0;
-
-        // Assumes little-endian, but what doesn't?
-        memcpy(&word, mem.memory().data() + offset + i, word_size);
-
-        StringAppendF(&line, " %0*" PRIx64, word_size * 2, word);
-      }
-
-      char ascii[bytes_per_line + 1];
-
-      memset(ascii, '.', sizeof(ascii));
-      ascii[bytes_per_line] = '\0';
-
-      for (size_t i = 0; i < bytes; ++i) {
-        uint8_t byte = mem.memory()[offset + i];
-        if (byte >= 0x20 && byte < 0x7f) {
-          ascii[i] = byte;
-        }
-      }
-
-      CBS("%s  %s", line.c_str(), ascii);
-    }
-  }
-}
-
-static void print_thread(CallbackType callback, const Tombstone& tombstone, const Thread& thread) {
-  print_thread_header(callback, tombstone, thread, false);
-  print_thread_registers(callback, tombstone, thread, false);
-  print_thread_backtrace(callback, tombstone, thread, false);
-  print_thread_memory_dump(callback, tombstone, thread);
-}
-
-static void print_main_thread(CallbackType callback, const Tombstone& tombstone,
-                              const Thread& thread) {
-  print_thread_header(callback, tombstone, thread, true);
-
-  const Signal& signal_info = tombstone.signal_info();
-  std::string sender_desc;
-
-  if (signal_info.has_sender()) {
-    sender_desc =
-        StringPrintf(" from pid %d, uid %d", signal_info.sender_pid(), signal_info.sender_uid());
-  }
-
-  if (!tombstone.has_signal_info()) {
-    LOG(ERROR) << "signal info missing in tombstone";
-    CBL("signal information missing");
-  } else {
-    std::string fault_addr_desc;
-    if (signal_info.has_fault_address()) {
-      fault_addr_desc = StringPrintf("0x%" PRIx64, signal_info.fault_address());
-    } else {
-      fault_addr_desc = "--------";
-    }
-
-    CBL("signal %d (%s), code %d (%s%s), fault addr %s", signal_info.number(),
-        signal_info.name().c_str(), signal_info.code(), signal_info.code_name().c_str(),
-        sender_desc.c_str(), fault_addr_desc.c_str());
-  }
-
-  if (tombstone.has_cause()) {
-    const Cause& cause = tombstone.cause();
-    CBL("Cause: %s", cause.human_readable().c_str());
-  }
-
-  if (!tombstone.abort_message().empty()) {
-    CBL("Abort message: '%s'", tombstone.abort_message().c_str());
-  }
-
-  print_thread_registers(callback, tombstone, thread, true);
-  print_thread_backtrace(callback, tombstone, thread, true);
-  print_thread_memory_dump(callback, tombstone, thread);
-
-  CBS("");
-  CBS("memory map (%d %s):", tombstone.memory_mappings().size(),
-      tombstone.memory_mappings().size() == 1 ? "entry" : "entries");
-  int word_size = pointer_width(tombstone);
-  const auto format_pointer = [word_size](uint64_t ptr) -> std::string {
-    if (word_size == 8) {
-      uint64_t top = ptr >> 32;
-      uint64_t bottom = ptr & 0xFFFFFFFF;
-      return StringPrintf("%08" PRIx64 "'%08" PRIx64, top, bottom);
-    }
-
-    return StringPrintf("%0*" PRIx64, word_size * 2, ptr);
-  };
-
-  for (const auto& map : tombstone.memory_mappings()) {
-    std::string line = "    ";
-    StringAppendF(&line, "%s-%s", format_pointer(map.begin_address()).c_str(),
-                  format_pointer(map.end_address() - 1).c_str());
-    StringAppendF(&line, " %s%s%s", map.read() ? "r" : "-", map.write() ? "w" : "-",
-                  map.execute() ? "x" : "-");
-    StringAppendF(&line, "  %8" PRIx64 "  %8" PRIx64, map.offset(),
-                  map.end_address() - map.begin_address());
-
-    if (!map.mapping_name().empty()) {
-      StringAppendF(&line, "  %s", map.mapping_name().c_str());
-
-      if (!map.build_id().empty()) {
-        StringAppendF(&line, " (BuildId: %s)", map.build_id().c_str());
-      }
-
-      if (map.load_bias() != 0) {
-        StringAppendF(&line, " (load bias 0x%" PRIx64 ")", map.load_bias());
-      }
-    }
-
-    CBS("%s", line.c_str());
-  }
-}
-
-void print_logs(CallbackType callback, const Tombstone& tombstone, int tail) {
-  for (const auto& buffer : tombstone.log_buffers()) {
-    if (tail) {
-      CBS("--------- tail end of log %s", buffer.name().c_str());
-    } else {
-      CBS("--------- log %s", buffer.name().c_str());
-    }
-
-    int begin = 0;
-    if (tail != 0) {
-      begin = std::max(0, buffer.logs().size() - tail);
-    }
-
-    for (int i = begin; i < buffer.logs().size(); ++i) {
-      const LogMessage& msg = buffer.logs(i);
-
-      static const char* kPrioChars = "!.VDIWEFS";
-      char priority = (msg.priority() < strlen(kPrioChars) ? kPrioChars[msg.priority()] : '?');
-      CBS("%s %5u %5u %c %-8s: %s", msg.timestamp().c_str(), msg.pid(), msg.tid(), priority,
-          msg.tag().c_str(), msg.message().c_str());
-    }
-  }
-}
-
-bool tombstone_proto_to_text(const Tombstone& tombstone, CallbackType callback) {
-  CBL("*** *** *** *** *** *** *** *** *** *** *** *** *** *** *** ***");
-  CBL("Build fingerprint: '%s'", tombstone.build_fingerprint().c_str());
-  CBL("Revision: '%s'", tombstone.revision().c_str());
-  CBL("ABI: '%s'", abi_string(tombstone));
-  CBL("Timestamp: %s", tombstone.timestamp().c_str());
-
-  // Process header
-  const auto& threads = tombstone.threads();
-  auto main_thread_it = threads.find(tombstone.tid());
-  if (main_thread_it == threads.end()) {
-    LOG(ERROR) << "failed to find entry for main thread in tombstone";
-    return false;
-  }
-
-  const auto& main_thread = main_thread_it->second;
-
-  print_main_thread(callback, tombstone, main_thread);
-
-  print_logs(callback, tombstone, 50);
-
-  // protobuf's map is unordered, so sort the keys first.
-  std::set<int> thread_ids;
-  for (const auto& [tid, _] : threads) {
-    if (tid != tombstone.tid()) {
-      thread_ids.insert(tid);
-    }
-  }
-
-  for (const auto& tid : thread_ids) {
-    CBS("--- --- --- --- --- --- --- --- --- --- --- --- --- --- --- ---");
-    print_thread(callback, tombstone, threads.find(tid)->second);
-  }
-
-  if (tombstone.open_fds().size() > 0) {
-    CBS("");
-    CBS("open files:");
-    for (const auto& fd : tombstone.open_fds()) {
-      std::optional<std::string> owner;
-      if (!fd.owner().empty()) {
-        owner = StringPrintf("owned by %s 0x%" PRIx64, fd.owner().c_str(), fd.tag());
-      }
-
-      CBS("    fd %d: %s (%s)", fd.fd(), fd.path().c_str(), owner ? owner->c_str() : "unowned");
-    }
-  }
-
-  print_logs(callback, tombstone, 0);
-
-  return true;
-}
diff --git a/debuggerd/libdebuggerd/utility.cpp b/debuggerd/libdebuggerd/utility.cpp
index f406ad4..7826efc 100644
--- a/debuggerd/libdebuggerd/utility.cpp
+++ b/debuggerd/libdebuggerd/utility.cpp
@@ -126,56 +126,56 @@
 #define MEMORY_BYTES_TO_DUMP 256
 #define MEMORY_BYTES_PER_LINE 16
 
-ssize_t dump_memory(void* out, size_t len, size_t* start_offset, uint64_t* addr,
-                    unwindstack::Memory* memory) {
+void dump_memory(log_t* log, unwindstack::Memory* memory, uint64_t addr, const std::string& label) {
   // Align the address to the number of bytes per line to avoid confusing memory tag output if
   // memory is tagged and we start from a misaligned address. Start 32 bytes before the address.
-  *addr &= ~(MEMORY_BYTES_PER_LINE - 1);
-  if (*addr >= 4128) {
-    *addr -= 32;
+  addr &= ~(MEMORY_BYTES_PER_LINE - 1);
+  if (addr >= 4128) {
+    addr -= 32;
   }
 
   // We don't want the address tag to appear in the addresses in the memory dump.
-  *addr = untag_address(*addr);
+  addr = untag_address(addr);
 
   // Don't bother if the address would overflow, taking tag bits into account. Note that
   // untag_address truncates to 32 bits on 32-bit platforms as a side effect of returning a
   // uintptr_t, so this also checks for 32-bit overflow.
-  if (untag_address(*addr + MEMORY_BYTES_TO_DUMP - 1) < *addr) {
-    return -1;
+  if (untag_address(addr + MEMORY_BYTES_TO_DUMP - 1) < addr) {
+    return;
   }
 
-  memset(out, 0, len);
-
-  size_t bytes = memory->Read(*addr, reinterpret_cast<uint8_t*>(out), len);
+  // Dump 256 bytes
+  uintptr_t data[MEMORY_BYTES_TO_DUMP/sizeof(uintptr_t)];
+  memset(data, 0, MEMORY_BYTES_TO_DUMP);
+  size_t bytes = memory->Read(addr, reinterpret_cast<uint8_t*>(data), sizeof(data));
   if (bytes % sizeof(uintptr_t) != 0) {
     // This should never happen, but just in case.
     ALOGE("Bytes read %zu, is not a multiple of %zu", bytes, sizeof(uintptr_t));
     bytes &= ~(sizeof(uintptr_t) - 1);
   }
 
-  *start_offset = 0;
+  uint64_t start = 0;
   bool skip_2nd_read = false;
   if (bytes == 0) {
     // In this case, we might want to try another read at the beginning of
     // the next page only if it's within the amount of memory we would have
     // read.
     size_t page_size = sysconf(_SC_PAGE_SIZE);
-    *start_offset = ((*addr + (page_size - 1)) & ~(page_size - 1)) - *addr;
-    if (*start_offset == 0 || *start_offset >= len) {
+    start = ((addr + (page_size - 1)) & ~(page_size - 1)) - addr;
+    if (start == 0 || start >= MEMORY_BYTES_TO_DUMP) {
       skip_2nd_read = true;
     }
   }
 
-  if (bytes < len && !skip_2nd_read) {
+  if (bytes < MEMORY_BYTES_TO_DUMP && !skip_2nd_read) {
     // Try to do one more read. This could happen if a read crosses a map,
     // but the maps do not have any break between them. Or it could happen
     // if reading from an unreadable map, but the read would cross back
     // into a readable map. Only requires one extra read because a map has
     // to contain at least one page, and the total number of bytes to dump
     // is smaller than a page.
-    size_t bytes2 = memory->Read(*addr + *start_offset + bytes, static_cast<uint8_t*>(out) + bytes,
-                                 len - bytes - *start_offset);
+    size_t bytes2 = memory->Read(addr + start + bytes, reinterpret_cast<uint8_t*>(data) + bytes,
+                                 sizeof(data) - bytes - start);
     bytes += bytes2;
     if (bytes2 > 0 && bytes % sizeof(uintptr_t) != 0) {
       // This should never happen, but we'll try and continue any way.
@@ -185,21 +185,9 @@
   }
 
   // If we were unable to read anything, it probably means that the register doesn't contain a
-  // valid pointer.
+  // valid pointer. In that case, skip the output for this register entirely rather than emitting 16
+  // lines of dashes.
   if (bytes == 0) {
-    return -1;
-  }
-
-  return bytes;
-}
-
-void dump_memory(log_t* log, unwindstack::Memory* memory, uint64_t addr, const std::string& label) {
-  // Dump 256 bytes
-  uintptr_t data[MEMORY_BYTES_TO_DUMP / sizeof(uintptr_t)];
-  size_t start_offset = 0;
-
-  ssize_t bytes = dump_memory(data, sizeof(data), &start_offset, &addr, memory);
-  if (bytes == -1) {
     return;
   }
 
@@ -213,7 +201,7 @@
   // words are of course presented differently.
   uintptr_t* data_ptr = data;
   size_t current = 0;
-  size_t total_bytes = start_offset + bytes;
+  size_t total_bytes = start + bytes;
   for (size_t line = 0; line < MEMORY_BYTES_TO_DUMP / MEMORY_BYTES_PER_LINE; line++) {
     uint64_t tagged_addr = addr;
     long tag = memory->ReadTag(addr);
@@ -226,7 +214,7 @@
     addr += MEMORY_BYTES_PER_LINE;
     std::string ascii;
     for (size_t i = 0; i < MEMORY_BYTES_PER_LINE / sizeof(uintptr_t); i++) {
-      if (current >= start_offset && current + sizeof(uintptr_t) <= total_bytes) {
+      if (current >= start && current + sizeof(uintptr_t) <= total_bytes) {
         android::base::StringAppendF(&logline, " %" PRIPTR, static_cast<uint64_t>(*data_ptr));
 
         // Fill out the ascii string from the data.
diff --git a/debuggerd/pbtombstone.cpp b/debuggerd/pbtombstone.cpp
deleted file mode 100644
index 7527e31..0000000
--- a/debuggerd/pbtombstone.cpp
+++ /dev/null
@@ -1,62 +0,0 @@
-/*
- * 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.
- */
-
-#include <err.h>
-#include <fcntl.h>
-#include <stdio.h>
-#include <unistd.h>
-
-#include <android-base/unique_fd.h>
-#include <libdebuggerd/tombstone.h>
-
-#include "tombstone.pb.h"
-
-using android::base::unique_fd;
-
-[[noreturn]] void usage(bool error) {
-  fprintf(stderr, "usage: pbtombstone TOMBSTONE.PB\n");
-  fprintf(stderr, "Convert a protobuf tombstone to text.\n");
-  exit(error);
-}
-
-int main(int argc, const char* argv[]) {
-  if (argc != 2) {
-    usage(true);
-  }
-
-  if (strcmp("-h", argv[1]) == 0 || strcmp("--help", argv[1]) == 0) {
-    usage(false);
-  }
-
-  unique_fd fd(open(argv[1], O_RDONLY | O_CLOEXEC));
-  if (fd == -1) {
-    err(1, "failed to open tombstone '%s'", argv[1]);
-  }
-
-  Tombstone tombstone;
-  if (!tombstone.ParseFromFileDescriptor(fd.get())) {
-    err(1, "failed to parse tombstone");
-  }
-
-  bool result = tombstone_proto_to_text(
-      tombstone, [](const std::string& line, bool) { printf("%s\n", line.c_str()); });
-
-  if (!result) {
-    errx(1, "tombstone was malformed");
-  }
-
-  return 0;
-}
diff --git a/debuggerd/proto/Android.bp b/debuggerd/proto/Android.bp
deleted file mode 100644
index 5307d50..0000000
--- a/debuggerd/proto/Android.bp
+++ /dev/null
@@ -1,28 +0,0 @@
-cc_library {
-    name: "libtombstone_proto",
-    cflags: [
-        "-Wall",
-        "-Wextra",
-        "-Wthread-safety",
-        "-Werror",
-    ],
-
-    compile_multilib: "both",
-
-    proto: {
-        export_proto_headers: true,
-        type: "lite",
-    },
-
-    srcs: [
-        "tombstone.proto",
-    ],
-
-    stl: "libc++_static",
-    apex_available: [
-        "com.android.runtime",
-    ],
-
-    recovery_available: true,
-    vendor_ramdisk_available: true,
-}
diff --git a/debuggerd/proto/tombstone.proto b/debuggerd/proto/tombstone.proto
deleted file mode 100644
index aff50bd..0000000
--- a/debuggerd/proto/tombstone.proto
+++ /dev/null
@@ -1,118 +0,0 @@
-syntax = "proto3";
-
-message Tombstone {
-  Architecture arch = 1;
-  string build_fingerprint = 2;
-  string revision = 3;
-  string timestamp = 4;
-
-  uint32 pid = 5;
-  uint32 tid = 6;
-  uint32 uid = 7;
-  string selinux_label = 8;
-
-  string process_name = 9;
-
-  Signal signal_info = 10;
-  string abort_message = 14;
-  Cause cause = 15;
-
-  map<uint32, Thread> threads = 16;
-  repeated MemoryMapping memory_mappings = 17;
-  repeated LogBuffer log_buffers = 18;
-  repeated FD open_fds = 19;
-}
-
-enum Architecture {
-  ARM32 = 0;
-  ARM64 = 1;
-  X86 = 2;
-  X86_64 = 3;
-}
-
-message Signal {
-  int32 number = 1;
-  string name = 2;
-
-  int32 code = 3;
-  string code_name = 4;
-
-  bool has_sender = 5;
-  int32 sender_uid = 6;
-  int32 sender_pid = 7;
-
-  bool has_fault_address = 8;
-  uint64 fault_address = 9;
-}
-
-message Cause {
-  string human_readable = 1;
-}
-
-message Register {
-  string name = 1;
-  uint64 u64 = 2;
-}
-
-message Thread {
-  int32 id = 1;
-  string name = 2;
-  repeated Register registers = 3;
-  repeated BacktraceFrame current_backtrace = 4;
-  repeated MemoryDump memory_dump = 5;
-}
-
-message BacktraceFrame {
-  uint64 rel_pc = 1;
-  uint64 pc = 2;
-  uint64 sp = 3;
-
-  string function_name = 4;
-  uint64 function_offset = 5;
-
-  string file_name = 6;
-  uint64 file_map_offset = 7;
-  string build_id = 8;
-}
-
-message MemoryDump {
-  string register_name = 1;
-  string mapping_name = 2;
-  uint64 begin_address = 3;
-  bytes memory = 4;
-}
-
-message MemoryMapping {
-  uint64 begin_address = 1;
-  uint64 end_address = 2;
-  uint64 offset = 3;
-
-  bool read = 4;
-  bool write = 5;
-  bool execute = 6;
-
-  string mapping_name = 7;
-  string build_id = 8;
-  uint64 load_bias = 9;
-}
-
-message FD {
-  int32 fd = 1;
-  string path = 2;
-  string owner = 3;
-  uint64 tag = 4;
-}
-
-message LogBuffer {
-  string name = 1;
-  repeated LogMessage logs = 2;
-}
-
-message LogMessage {
-  string timestamp = 1;
-  uint32 pid = 2;
-  uint32 tid = 3;
-  uint32 priority = 4;
-  string tag = 5;
-  string message = 6;
-}
diff --git a/debuggerd/seccomp_policy/crash_dump.arm.policy b/debuggerd/seccomp_policy/crash_dump.arm.policy
index 4eac0e9..254330d 100644
--- a/debuggerd/seccomp_policy/crash_dump.arm.policy
+++ b/debuggerd/seccomp_policy/crash_dump.arm.policy
@@ -19,7 +19,6 @@
 getdents64: 1
 faccessat: 1
 recvmsg: 1
-recvfrom: 1
 process_vm_readv: 1
 tgkill: 1
 rt_sigprocmask: 1
diff --git a/debuggerd/seccomp_policy/crash_dump.arm64.policy b/debuggerd/seccomp_policy/crash_dump.arm64.policy
index 1585cc6..9b3ef09 100644
--- a/debuggerd/seccomp_policy/crash_dump.arm64.policy
+++ b/debuggerd/seccomp_policy/crash_dump.arm64.policy
@@ -18,7 +18,6 @@
 getdents64: 1
 faccessat: 1
 recvmsg: 1
-recvfrom: 1
 process_vm_readv: 1
 tgkill: 1
 rt_sigprocmask: 1
diff --git a/debuggerd/seccomp_policy/crash_dump.policy.def b/debuggerd/seccomp_policy/crash_dump.policy.def
index cd5aad4..2ef31b0 100644
--- a/debuggerd/seccomp_policy/crash_dump.policy.def
+++ b/debuggerd/seccomp_policy/crash_dump.policy.def
@@ -24,7 +24,6 @@
 getdents64: 1
 faccessat: 1
 recvmsg: 1
-recvfrom: 1
 
 process_vm_readv: 1
 
diff --git a/debuggerd/seccomp_policy/crash_dump.x86.policy b/debuggerd/seccomp_policy/crash_dump.x86.policy
index 4eac0e9..254330d 100644
--- a/debuggerd/seccomp_policy/crash_dump.x86.policy
+++ b/debuggerd/seccomp_policy/crash_dump.x86.policy
@@ -19,7 +19,6 @@
 getdents64: 1
 faccessat: 1
 recvmsg: 1
-recvfrom: 1
 process_vm_readv: 1
 tgkill: 1
 rt_sigprocmask: 1
diff --git a/debuggerd/seccomp_policy/crash_dump.x86_64.policy b/debuggerd/seccomp_policy/crash_dump.x86_64.policy
index 1585cc6..9b3ef09 100644
--- a/debuggerd/seccomp_policy/crash_dump.x86_64.policy
+++ b/debuggerd/seccomp_policy/crash_dump.x86_64.policy
@@ -18,7 +18,6 @@
 getdents64: 1
 faccessat: 1
 recvmsg: 1
-recvfrom: 1
 process_vm_readv: 1
 tgkill: 1
 rt_sigprocmask: 1