gdb/testsuite/gdb.python/py-send-packet.exp

   1 # Copyright (C) 2021-2024 Free Software Foundation, Inc.
   2
   3 # This program is free software; you can redistribute it and/or modify
   4 # it under the terms of the GNU General Public License as published by
   5 # the Free Software Foundation; either version 3 of the License, or
   6 # (at your option) any later version.
   7 #
   8 # This program is distributed in the hope that it will be useful,
   9 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  10 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  11 # GNU General Public License for more details.
  12 #
  13 # You should have received a copy of the GNU General Public License
  14 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
  15
  16 # Test the gdb.RemoteTargetConnection.send_packet API.  This is done
  17 # by connecting to a remote target and fetching the thread list in two
  18 # ways, first, we manually send the packets required to read the
  19 # thread list using gdb.TargetConnection.send_packet, then we compare
  20 # the results to the thread list using the standard API calls.
  21
  22 load_lib gdb-python.exp
  23 load_lib gdbserver-support.exp
  24
  25 standard_testfile
  26
  27 require allow_gdbserver_tests allow_python_tests
  28
  29 if { [prepare_for_testing "failed to prepare" ${testfile} ${srcfile}] } {
  30     return -1
  31 }
  32
  33 # Make sure we're disconnected, in case we're testing with an
  34 # extended-remote board, therefore already connected.
  35 gdb_test "disconnect" ".*"
  36
  37 gdbserver_run ""
  38
  39 gdb_breakpoint "breakpt"
  40 gdb_continue_to_breakpoint "breakpt"
  41
  42 # Source the python script.
  43 set remote_python_file [gdb_remote_download host \
  44                             ${srcdir}/${subdir}/${testfile}.py]
  45 gdb_test "source $remote_python_file" "Sourcing complete\\." \
  46     "source ${testfile}.py script"
  47
  48 # The test is actually written in the Python script.  Run it now.
  49 gdb_test "python run_send_packet_test()" "Send packet test passed"
  50
  51 # Check the string representation of a remote target connection.
  52 gdb_test "python print(gdb.selected_inferior().connection)" \
  53     "<gdb.RemoteTargetConnection num=$decimal, what=\".*\">"
  54
  55 # Check to see if there's any auxv data for this target.
  56 gdb_test_multiple "info auxv" "" {
  57     -re -wrap "The program has no auxiliary information now\\. " {
  58         set skip_auxv_test true
  59     }
  60     -re -wrap "0\\s+AT_NULL\\s+End of vector\\s+0x0" {
  61         set skip_auxv_test false
  62     }
  63 }
  64
  65 if { ! $skip_auxv_test } {
  66     # Use 'maint packet' to fetch the auxv data.
  67     set reply_data ""
  68     gdb_test_multiple "maint packet qXfer:auxv:read::0,1000" "" {
  69         -re "sending: \"qXfer:auxv:read::0,1000\"\r\n" {
  70             exp_continue
  71         }
  72         -re -wrap "received: \"(.*)\"" {
  73             set reply_data $expect_out(1,string)
  74         }
  75     }
  76
  77     # Escape any backslash characters in the output, so we can safely
  78     # pass a string through to Python.
  79     set reply_data [string map {\\ \\\\} $reply_data]
  80     gdb_assert { ![string equal "$reply_data" ""] }
  81
  82     # Run the test, fetches the auxv data in Python and confirm it
  83     # matches the expected results.
  84     gdb_test "python run_auxv_send_packet_test(\"$reply_data\")" \
  85         "auxv send packet test passed" \
  86         "call python run_auxv_send_packet_test function"
  87 }
  88
  89 set sizeof_global_var [get_valueof "/d" "sizeof(global_var)" "UNKNOWN"]
  90 if { $sizeof_global_var == 4 } {
  91     gdb_test_no_output "set debug remote 1"
  92     gdb_test "python run_set_global_var_test()" \
  93         "set global_var test passed"
  94 }