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

   1 # Copyright (C) 2010, 2011 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 load_lib gdb-python.exp
  24
  25 set testfile "py-symbol"
  26 set srcfile ${testfile}.c
  27 set binfile ${objdir}/${subdir}/${testfile}
  28 if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } {
  29     untested "Couldn't compile ${srcfile}"
  30     return -1
  31 }
  32
  33 # Start with a fresh gdb.
  34 gdb_exit
  35 gdb_start
  36 gdb_reinitialize_dir $srcdir/$subdir
  37 gdb_load ${binfile}
  38
  39 # Skip all tests if Python scripting is not enabled.
  40 if { [skip_python_tests] } { continue }
  41
  42 # Test looking up a global symbol before we runto_main as this is the
  43 # point where we don't have a current frame, and we don't want to
  44 # require one.
  45 gdb_py_test_silent_cmd "python main_func = gdb.lookup_global_symbol(\"main\")" "Lookup main" 1
  46 gdb_test "python print main_func.is_function" "True" "Test main_func.is_function"
  47 gdb_test "python print gdb.lookup_global_symbol(\"junk\")" "None" "Test lookup_global_symbol(\"junk\")"
  48
  49 if ![runto_main] then {
  50     fail "Can't run to main"
  51     return 0
  52 }
  53
  54 global hex decimal
  55
  56 gdb_breakpoint [gdb_get_line_number "Block break here."]
  57 gdb_continue_to_breakpoint "Block break here."
  58 gdb_py_test_silent_cmd "python frame = gdb.selected_frame()" "Get Frame" 0
  59 gdb_py_test_silent_cmd "python block = frame.block()" "Get block" 0
  60
  61 # Test is_argument attribute.
  62 gdb_py_test_silent_cmd "python arg = gdb.lookup_symbol(\"arg\")" "Get variable a" 0
  63 gdb_test "python print arg\[0\].is_variable" "False" "Test arg.is_variable"
  64 gdb_test "python print arg\[0\].is_constant" "False" "Test arg.is_constant"
  65 gdb_test "python print arg\[0\].is_argument" "True" "Test arg.is_argument"
  66 gdb_test "python print arg\[0\].is_function" "False" "Test arg.is_function"
  67
  68 # Test is_function attribute.
  69 gdb_py_test_silent_cmd "python func = frame.block().function" "Get block" 0
  70 gdb_test "python print func.is_variable" "False" "Test func.is_variable"
  71 gdb_test "python print func.is_constant" "False" "Test func.is_constant"
  72 gdb_test "python print func.is_argument" "False" "Test func.is_argument"
  73 gdb_test "python print func.is_function" "True" "Test func.is_function"
  74 gdb_test "python print func.name" "func" "Test func.name"
  75 gdb_test "python print func.print_name" "func" "Test func.print_name"
  76 gdb_test "python print func.linkage_name" "func" "Test func.linkage_name"
  77 gdb_test "python print func.addr_class == gdb.SYMBOL_LOC_BLOCK" "True" "Test func.addr_class"
  78
  79 gdb_breakpoint [gdb_get_line_number "Break at end."]
  80 gdb_continue_to_breakpoint "Break at end."
  81 gdb_py_test_silent_cmd "python frame = gdb.selected_frame()" "Get Frame" 0
  82
  83 # Test is_variable attribute.
  84 gdb_py_test_silent_cmd "python a = gdb.lookup_symbol(\'a\')" "Get variable a" 0
  85 gdb_test "python print a\[0\].is_variable" "True" "Test a.is_variable"
  86 gdb_test "python print a\[0\].is_constant" "False" "Test a.is_constant"
  87 gdb_test "python print a\[0\].is_argument" "False" "Test a.is_argument"
  88 gdb_test "python print a\[0\].is_function" "False" "Test a.is_function"
  89 gdb_test "python print a\[0\].addr_class == gdb.SYMBOL_LOC_COMPUTED" "True" "Test a.addr_class"
  90
  91 # Test is_constant attribute
  92 gdb_py_test_silent_cmd "python t = gdb.lookup_symbol(\"one\")" "Get variable a" 0
  93 gdb_test "python print t\[0\].is_variable" "False" "Test t.is_variable"
  94 gdb_test "python print t\[0\].is_constant" "True" "Test t.is_constant"
  95 gdb_test "python print t\[0\].is_argument" "False" "Test t.is_argument"
  96 gdb_test "python print t\[0\].is_function" "False" "Test t.is_function"
  97 gdb_test "python print t\[0\].addr_class == gdb.SYMBOL_LOC_CONST" "True" "Test t.addr_class"
  98
  99 # Test type attribute.
 100 gdb_test "python print t\[0\].type" "enum tag" "Get type"
 101
 102 # Test symtab attribute.
 103 gdb_test "python print t\[0\].symtab" "gdb.python/py-symbol.c.*" "Get symtab"
 104
 105 # C++ tests
 106 # Recompile binary.
 107  if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}-cxx" executable "debug c++"] != "" } {
 108      untested "Couldn't compile ${srcfile} in c++ mode"
 109      return -1
 110  }
 111
 112 # Start with a fresh gdb.
 113 gdb_exit
 114 gdb_start
 115 gdb_reinitialize_dir $srcdir/$subdir
 116 gdb_load ${binfile}-cxx
 117
 118 if ![runto_main] then {
 119     fail "Can't run to main"
 120     return 0
 121 }
 122
 123 gdb_breakpoint [gdb_get_line_number "Break in class."]
 124 gdb_continue_to_breakpoint "Break in class."
 125
 126 gdb_py_test_silent_cmd "python cplusframe = gdb.selected_frame()" "Get Frame" 0
 127 gdb_py_test_silent_cmd "python cplusfunc = cplusframe.block().function" "Get block" 0
 128 gdb_test "python print cplusfunc.is_variable" "False" "Test func.is_variable"
 129 gdb_test "python print cplusfunc.is_constant" "False" "Test func.is_constant"
 130 gdb_test "python print cplusfunc.is_argument" "False" "Test func.is_argument"
 131 gdb_test "python print cplusfunc.is_function" "True" "Test func.is_function"
 132 gdb_test "python print cplusfunc.name" "SimpleClass::valueofi().*" "Test func.name"
 133 gdb_test "python print cplusfunc.print_name" "SimpleClass::valueofi().*" "Test func.print_name"
 134 gdb_test "python print cplusfunc.linkage_name" "SimpleClass::valueofi().*" "Test func.linkage_name"
 135 gdb_test "python print cplusfunc.addr_class == gdb.SYMBOL_LOC_BLOCK" "True" "Test func.addr_class"
 136
 137 # Test is_valid when the objfile is unloaded.  This must be the last
 138 # test as it unloads the object file in GDB.
 139 # Start with a fresh gdb.
 140 clean_restart ${testfile}
 141 if ![runto_main] then {
 142     fail "Cannot run to main."
 143     return 0
 144 }
 145 gdb_breakpoint [gdb_get_line_number "Break at end."]
 146 gdb_continue_to_breakpoint "Break at end."
 147 gdb_py_test_silent_cmd "python a = gdb.lookup_symbol(\'a\')" "Get variable a" 0
 148 gdb_test "python print a\[0\].is_valid()" "True" "Test symbol validity"
 149 delete_breakpoints
 150 gdb_unload
 151 gdb_test "python print a\[0\].is_valid()" "False" "Test symbol validity"