gdb/testsuite/gdb.python/lotsa-lines.exp

   1 # Copyright 2023-2024 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 that a very long file is ok.
  17
  18 load_lib gdb-python.exp
  19 require allow_python_tests
  20
  21 standard_testfile .c
  22
  23 # Create a source file with many lines.
  24 set c_file [standard_output_file $srcfile]
  25
  26 set chan [open $c_file w]
  27 puts $chan "int callee (int x) { return x; }"
  28 for {set i 2} {$i < 65538} {incr i} {
  29     puts $chan "int call$i () { return callee ($i); }"
  30 }
  31 puts $chan "int main() { return call65537(); }"
  32 close $chan
  33
  34 if {[prepare_for_testing "failed to prepare" ${testfile} \
  35          [list $c_file] {debug}]} {
  36     return
  37 }
  38
  39 if {![runto callee]} {
  40     return
  41 }
  42
  43 gdb_test "print x" " = 65537"
  44
  45 # This doesn't actually demonstrate the bug, because it takes a code
  46 # path not checking symbol::line.
  47 gdb_test "frame 1" "call65537.*lotsa-lines.c:65537.*"
  48
  49 # This is the simplest way to see the problem.
  50 gdb_test "python print(gdb.selected_frame().function().line)" "65537" \
  51     "print function line number"