# Copyright (C) 2010-2014 Free Software Foundation, Inc. # This program is free software; you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by # the Free Software Foundation; either version 3 of the License, or # (at your option) any later version. # # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. # # You should have received a copy of the GNU General Public License # along with this program. If not, see <http://www.gnu.org/licenses/>. # This file is part of the GDB testsuite. It tests the mechanism # exposing values to Python. load_lib gdb-python.exp standard_testfile if {[prepare_for_testing $testfile.exp $testfile $srcfile debug]} { return -1 } # Skip all tests if Python scripting is not enabled. if { [skip_python_tests] } { continue } # Test looking up a global symbol before we runto_main as this is the # point where we don't have a current frame, and we don't want to # require one. gdb_py_test_silent_cmd "python main_func = gdb.lookup_global_symbol(\"main\")" "Lookup main" 1 gdb_test "python print (main_func.is_function)" "True" "Test main_func.is_function" gdb_test "python print (gdb.lookup_global_symbol(\"junk\"))" "None" "Test lookup_global_symbol(\"junk\")" gdb_test "python print (gdb.lookup_global_symbol('main').value())" "$hex .main." \ "print value of main" set qq_line [gdb_get_line_number "line of qq"] gdb_test "python print (gdb.lookup_global_symbol('qq').line)" "$qq_line" \ "print line number of qq" gdb_test "python print (gdb.lookup_global_symbol('qq').value())" "72" \ "print value of qq" gdb_test "python print (gdb.lookup_global_symbol('qq').needs_frame)" \ "False" \ "print whether qq needs a frame" if ![runto_main] then { fail "Can't run to main" return 0 } global hex decimal gdb_breakpoint [gdb_get_line_number "Block break here."] gdb_continue_to_breakpoint "Block break here." gdb_py_test_silent_cmd "python frame = gdb.selected_frame()" "Get Frame" 0 gdb_py_test_silent_cmd "python block = frame.block()" "Get block" 0 # Test is_argument attribute. gdb_py_test_silent_cmd "python arg = gdb.lookup_symbol(\"arg\")" "Get variable arg" 0 gdb_test "python print (arg\[0\].is_variable)" "False" "Test arg.is_variable" gdb_test "python print (arg\[0\].is_constant)" "False" "Test arg.is_constant" gdb_test "python print (arg\[0\].is_argument)" "True" "Test arg.is_argument" gdb_test "python print (arg\[0\].is_function)" "False" "Test arg.is_function" # Test is_function attribute. gdb_py_test_silent_cmd "python func = block.function" "Get block function" 0 gdb_test "python print (func.is_variable)" "False" "Test func.is_variable" gdb_test "python print (func.is_constant)" "False" "Test func.is_constant" gdb_test "python print (func.is_argument)" "False" "Test func.is_argument" gdb_test "python print (func.is_function)" "True" "Test func.is_function" # Test attributes of func. gdb_test "python print (func.name)" "func" "Test func.name" gdb_test "python print (func.print_name)" "func" "Test func.print_name" gdb_test "python print (func.linkage_name)" "func" "Test func.linkage_name" gdb_test "python print (func.addr_class == gdb.SYMBOL_LOC_BLOCK)" "True" "Test func.addr_class" gdb_breakpoint [gdb_get_line_number "Break at end."] gdb_continue_to_breakpoint "Break at end for variable a" ".*Break at end.*" gdb_py_test_silent_cmd "python frame = gdb.selected_frame()" "Get Frame" 0 # Test is_variable attribute. gdb_py_test_silent_cmd "python a = gdb.lookup_symbol(\'a\')" "Get variable a" 0 gdb_test "python print (a\[0\].is_variable)" "True" "Test a.is_variable" gdb_test "python print (a\[0\].is_constant)" "False" "Test a.is_constant" gdb_test "python print (a\[0\].is_argument)" "False" "Test a.is_argument" gdb_test "python print (a\[0\].is_function)" "False" "Test a.is_function" # Test attributes of a. gdb_test "python print (a\[0\].addr_class == gdb.SYMBOL_LOC_COMPUTED)" "True" "Test a.addr_class" gdb_test "python print (a\[0\].value())" \ "symbol requires a frame to compute its value.*"\ "try to print value of a without a frame" gdb_test "python print (a\[0\].value(frame))" "0" \ "print value of a" gdb_test "python print (a\[0\].needs_frame)" "True" \ "print whether a needs a frame" # Test is_constant attribute gdb_py_test_silent_cmd "python t = gdb.lookup_symbol(\"one\")" "Get constant t" 0 gdb_test "python print (t\[0\].is_variable)" "False" "Test t.is_variable" gdb_test "python print (t\[0\].is_constant)" "True" "Test t.is_constant" gdb_test "python print (t\[0\].is_argument)" "False" "Test t.is_argument" gdb_test "python print (t\[0\].is_function)" "False" "Test t.is_function" # Test attributes of t. gdb_test "python print (t\[0\].addr_class == gdb.SYMBOL_LOC_CONST)" "True" "Test t.addr_class" # Test type attribute. gdb_test "python print (t\[0\].type)" "enum tag" "Get type" # Test symtab attribute. if { [is_remote host] } { set py_symbol_c [string_to_regexp $srcfile] } else { set py_symbol_c [string_to_regexp ${srcdir}/${subdir}/${srcfile}] } gdb_test "python print (t\[0\].symtab)" "${py_symbol_c}" "Get symtab" # C++ tests # Recompile binary. if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}-cxx" executable "debug c++"] != "" } { untested "Couldn't compile ${srcfile} in c++ mode" return -1 } # Start with a fresh gdb. gdb_exit gdb_start gdb_reinitialize_dir $srcdir/$subdir gdb_load ${binfile}-cxx if ![runto_main] then { fail "Can't run to main" return 0 } gdb_breakpoint [gdb_get_line_number "Break in class."] gdb_continue_to_breakpoint "Break in class." gdb_py_test_silent_cmd "python cplusframe = gdb.selected_frame()" "Get Frame at class" 0 gdb_py_test_silent_cmd "python cplusfunc = cplusframe.block().function" "Get function at class" 0 gdb_test "python print (cplusfunc.is_variable)" \ "False" "Test cplusfunc.is_variable" gdb_test "python print (cplusfunc.is_constant)" \ "False" "Test cplusfunc.is_constant" gdb_test "python print (cplusfunc.is_argument)" \ "False" "Test cplusfunc.is_argument" gdb_test "python print (cplusfunc.is_function)" \ "True" "Test cplusfunc.is_function" gdb_test "python print (cplusfunc.name)" "SimpleClass::valueofi().*" "Test method.name" gdb_test "python print (cplusfunc.print_name)" "SimpleClass::valueofi().*" "Test method.print_name" gdb_test "python print (cplusfunc.linkage_name)" "SimpleClass::valueofi().*" "Test method.linkage_name" gdb_test "python print (cplusfunc.addr_class == gdb.SYMBOL_LOC_BLOCK)" "True" "Test method.addr_class" # Test is_valid when the objfile is unloaded. This must be the last # test as it unloads the object file in GDB. # Start with a fresh gdb. clean_restart ${testfile} if ![runto_main] then { fail "Cannot run to main." return 0 } gdb_breakpoint [gdb_get_line_number "Break at end."] gdb_continue_to_breakpoint "Break at end for symbol validity" ".*Break at end.*" gdb_py_test_silent_cmd "python a = gdb.lookup_symbol(\'a\')" "Get variable a" 0 gdb_test "python print (a\[0\].is_valid())" "True" "Test symbol validity" delete_breakpoints gdb_unload gdb_test "python print (a\[0\].is_valid())" "False" "Test symbol non-validity" gdb_test_no_output "python a = None" "Test symbol destructor"