gdb/testsuite/gdb.python/py-block.exp

   1 # Copyright (C) 2010 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 # This file is part of the GDB testsuite.  It tests the mechanism
  17 # exposing values to Python.
  18
  19 if $tracelevel then {
  20     strace $tracelevel
  21 }
  22
  23 set testfile "py-block"
  24 set srcfile ${testfile}.c
  25 set binfile ${objdir}/${subdir}/${testfile}
  26 if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } {
  27     untested "Couldn't compile ${srcfile}"
  28     return -1
  29 }
  30
  31 # Run a command in GDB, and report a failure if a Python exception is thrown.
  32 # If report_pass is true, report a pass if no exception is thrown.
  33 proc gdb_py_test_silent_cmd {cmd name report_pass} {
  34     global gdb_prompt
  35
  36   gdb_test_multiple $cmd $name {
  37       -re "Traceback.*$gdb_prompt $"  { fail $name }
  38       -re "$gdb_prompt $"             { if $report_pass { pass $name } }
  39   }
  40 }
  41
  42 # Start with a fresh gdb.
  43 gdb_exit
  44 gdb_start
  45 gdb_reinitialize_dir $srcdir/$subdir
  46 gdb_load ${binfile}
  47
  48 # Skip all tests if Python scripting is not enabled.
  49 if { [skip_python_tests] } { continue }
  50
  51 if ![runto_main] then {
  52     fail "Can't run to main"
  53     return 0
  54 }
  55
  56 global hex decimal
  57 gdb_breakpoint [gdb_get_line_number "Block break here."]
  58 gdb_continue_to_breakpoint "Block break here."
  59
  60 # Test initial innermost block.
  61 gdb_py_test_silent_cmd "python frame = gdb.selected_frame()" "Get Frame" 0
  62 gdb_py_test_silent_cmd "python block = frame.block()" "Get block" 0
  63 gdb_test "python print block" "<gdb.Block object at $hex>" "Check block not None"
  64 gdb_test "python print block.function" "None" "First anonymous block"
  65 gdb_test "python print block.start" "${decimal}" "Check start not None"
  66 gdb_test "python print block.end" "${decimal}" "Check end not None"
  67
  68 # Move up superblock(s) until we reach function block_func.
  69 gdb_test_no_output "python block = block.superblock" "Get superblock"
  70 gdb_test "python print block.function" "None" "Second anonymous block"
  71 gdb_test_no_output "python block = block.superblock" "Get superblock 2"
  72 gdb_test "python print block.function" "block_func"
  73
  74 # Switch frames, then test for main block.
  75 gdb_test "up" ""
  76 gdb_py_test_silent_cmd "python frame = gdb.selected_frame()" "Get Frame" 0
  77 gdb_py_test_silent_cmd "python block = frame.block()" "Get block" 0
  78 gdb_test "python print block" "<gdb.Block object at $hex>" "Check block not None"
  79 gdb_test "python print block.function" "main" "main block"