Brillo开发: brillo-m9-dev分支gdb debug问题

在brillo-m9-dev分支下使用gdb debug的时候,可能会出来如下问题:

hzak@B85PRO:/local/brillo-m9-dev$ tools/bdk/debugging/ -p 993
Traceback (most recent call last):
  File "tools/bdk/debugging/", line 270, in <module>
  File "tools/bdk/debugging/", line 230, in main
    binary_file, pid, run_cmd = handle_switches(args, sysroot)
  File "tools/bdk/debugging/", line 144, in handle_switches
  File "/local/brillo-m9-dev/tools/bdk/debugging/gdbrunner/", line 246, in find_binary
    return find_file(device, "/proc/{}/exe".format(pid), sysroot, user)
  File "/local/brillo-m9-dev/tools/bdk/debugging/gdbrunner/", line 238, in find_file
    for path, found_locally in generate_files():
  File "/local/brillo-m9-dev/tools/bdk/debugging/gdbrunner/", line 234, in generate_files
RuntimeError: Failed to copy '/proc/993/exe' to temporary folder on device


$ pushd system/core/debuggerd
$ rm -r *
$ git checkout aosp/brillo-m8-dev .
$ sed -i -e 's/^\(include.*NATIVE_TEST.*\)/#\1/g'
$ mm && m snod
$ popd

之后,就可以用gdb debug了:

$ tools/bdk/debugging/ -p 993
WARNING:root:couldn't find /local/brillo-m9-rpi/development/scripts/gdb/dalvik.gdb - ART debugging options will not be available
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Failed to read a valid object file image from memory.
libwebserv::Server::ConnectToServerViaDBus(scoped_refptr<dbus::Bus> const&, std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&, base::Callback<void (bool)> const&, base::Callback<void ()> const&, base::Callback<void ()> const&) (bus=..., 
    service_name=..., cb=..., on_server_online=..., on_server_offline=...) at system/webservd/libwebserv/


使用gdb之前,要先设置system property: debug.debuggerd.wait_for_gdb为true:

$ adb shell setprop debug.debuggerd.wait_for_gdb true


《Brillo开发: brillo-m9-dev分支gdb debug问题》有66个想法

  1. (select(0)from(select(sleep(15)))v)/*’+(select(0)from(select(sleep(15)))v)+'”+(select(0)from(select(sleep(15)))v)+”*/

  2. (select(0)from(select(sleep(15)))v)/*'+(select(0)from(select(sleep(15)))v)+'"+(select(0)from(select(sleep(15)))v)+"*/说道:



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