1 # Copyright (C) 2010-2013 Free Software Foundation, Inc.
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.
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.
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/>.
16 # This file is part of the GDB testsuite. It tests the mechanism
17 # exposing values to Python.
19 load_lib gdb-python.exp
23 if {[prepare_for_testing $testfile.exp $testfile $srcfile debug]} {
27 # Skip all tests if Python scripting is not enabled.
28 if { [skip_python_tests] } { continue }
30 # Test looking up a global symbol before we runto_main as this is the
31 # point where we don't have a current frame, and we don't want to
33 gdb_py_test_silent_cmd "python main_func = gdb.lookup_global_symbol(\"main\")" "Lookup main" 1
34 gdb_test "python print (main_func.is_function)" "True" "Test main_func.is_function"
35 gdb_test "python print (gdb.lookup_global_symbol(\"junk\"))" "None" "Test lookup_global_symbol(\"junk\")"
37 gdb_test "python print (gdb.lookup_global_symbol('main').value())" "$hex .main." \
40 set qq_line [gdb_get_line_number "line of qq"]
41 gdb_test "python print (gdb.lookup_global_symbol('qq').line)" "$qq_line" \
42 "print line number of qq"
44 gdb_test "python print (gdb.lookup_global_symbol('qq').value())" "72" \
47 gdb_test "python print (gdb.lookup_global_symbol('qq').needs_frame)" \
49 "print whether qq needs a frame"
52 if ![runto_main] then {
53 fail "Can't run to main"
59 gdb_breakpoint [gdb_get_line_number "Block break here."]
60 gdb_continue_to_breakpoint "Block break here."
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
64 # Test is_argument attribute.
65 gdb_py_test_silent_cmd "python arg = gdb.lookup_symbol(\"arg\")" "Get variable a" 0
66 gdb_test "python print (arg\[0\].is_variable)" "False" "Test arg.is_variable"
67 gdb_test "python print (arg\[0\].is_constant)" "False" "Test arg.is_constant"
68 gdb_test "python print (arg\[0\].is_argument)" "True" "Test arg.is_argument"
69 gdb_test "python print (arg\[0\].is_function)" "False" "Test arg.is_function"
71 # Test is_function attribute.
72 gdb_py_test_silent_cmd "python func = frame.block().function" "Get block" 0
73 gdb_test "python print (func.is_variable)" "False" "Test func.is_variable"
74 gdb_test "python print (func.is_constant)" "False" "Test func.is_constant"
75 gdb_test "python print (func.is_argument)" "False" "Test func.is_argument"
76 gdb_test "python print (func.is_function)" "True" "Test func.is_function"
77 gdb_test "python print (func.name)" "func" "Test func.name"
78 gdb_test "python print (func.print_name)" "func" "Test func.print_name"
79 gdb_test "python print (func.linkage_name)" "func" "Test func.linkage_name"
80 gdb_test "python print (func.addr_class == gdb.SYMBOL_LOC_BLOCK)" "True" "Test func.addr_class"
82 gdb_breakpoint [gdb_get_line_number "Break at end."]
83 gdb_continue_to_breakpoint "Break at end."
84 gdb_py_test_silent_cmd "python frame = gdb.selected_frame()" "Get Frame" 0
86 # Test is_variable attribute.
87 gdb_py_test_silent_cmd "python a = gdb.lookup_symbol(\'a\')" "Get variable a" 0
88 gdb_test "python print (a\[0\].is_variable)" "True" "Test a.is_variable"
89 gdb_test "python print (a\[0\].is_constant)" "False" "Test a.is_constant"
90 gdb_test "python print (a\[0\].is_argument)" "False" "Test a.is_argument"
91 gdb_test "python print (a\[0\].is_function)" "False" "Test a.is_function"
92 gdb_test "python print (a\[0\].addr_class == gdb.SYMBOL_LOC_COMPUTED)" "True" "Test a.addr_class"
94 gdb_test "python print (a\[0\].value())" \
95 "symbol requires a frame to compute its value.*"\
96 "try to print value of a without a frame"
97 gdb_test "python print (a\[0\].value(frame))" "0" \
99 gdb_test "python print (a\[0\].needs_frame)" "True" \
100 "print whether a needs a frame"
102 # Test is_constant attribute
103 gdb_py_test_silent_cmd "python t = gdb.lookup_symbol(\"one\")" "Get variable a" 0
104 gdb_test "python print (t\[0\].is_variable)" "False" "Test t.is_variable"
105 gdb_test "python print (t\[0\].is_constant)" "True" "Test t.is_constant"
106 gdb_test "python print (t\[0\].is_argument)" "False" "Test t.is_argument"
107 gdb_test "python print (t\[0\].is_function)" "False" "Test t.is_function"
108 gdb_test "python print (t\[0\].addr_class == gdb.SYMBOL_LOC_CONST)" "True" "Test t.addr_class"
110 # Test type attribute.
111 gdb_test "python print (t\[0\].type)" "enum tag" "Get type"
113 # Test symtab attribute.
114 gdb_test "python print (t\[0\].symtab)" "gdb.python/py-symbol.c.*" "Get symtab"
118 if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}-cxx" executable "debug c++"] != "" } {
119 untested "Couldn't compile ${srcfile} in c++ mode"
123 # Start with a fresh gdb.
126 gdb_reinitialize_dir $srcdir/$subdir
127 gdb_load ${binfile}-cxx
129 if ![runto_main] then {
130 fail "Can't run to main"
134 gdb_breakpoint [gdb_get_line_number "Break in class."]
135 gdb_continue_to_breakpoint "Break in class."
137 gdb_py_test_silent_cmd "python cplusframe = gdb.selected_frame()" "Get Frame" 0
138 gdb_py_test_silent_cmd "python cplusfunc = cplusframe.block().function" "Get block" 0
139 gdb_test "python print (cplusfunc.is_variable)" "False" "Test func.is_variable"
140 gdb_test "python print (cplusfunc.is_constant)" "False" "Test func.is_constant"
141 gdb_test "python print (cplusfunc.is_argument)" "False" "Test func.is_argument"
142 gdb_test "python print (cplusfunc.is_function)" "True" "Test func.is_function"
143 gdb_test "python print (cplusfunc.name)" "SimpleClass::valueofi().*" "Test func.name"
144 gdb_test "python print (cplusfunc.print_name)" "SimpleClass::valueofi().*" "Test func.print_name"
145 gdb_test "python print (cplusfunc.linkage_name)" "SimpleClass::valueofi().*" "Test func.linkage_name"
146 gdb_test "python print (cplusfunc.addr_class == gdb.SYMBOL_LOC_BLOCK)" "True" "Test func.addr_class"
148 # Test is_valid when the objfile is unloaded. This must be the last
149 # test as it unloads the object file in GDB.
150 # Start with a fresh gdb.
151 clean_restart ${testfile}
152 if ![runto_main] then {
153 fail "Cannot run to main."
156 gdb_breakpoint [gdb_get_line_number "Break at end."]
157 gdb_continue_to_breakpoint "Break at end."
158 gdb_py_test_silent_cmd "python a = gdb.lookup_symbol(\'a\')" "Get variable a" 0
159 gdb_test "python print (a\[0\].is_valid())" "True" "Test symbol validity"
162 gdb_test "python print (a\[0\].is_valid())" "False" "Test symbol validity"
163 gdb_test_no_output "python a = None" "Test symbol destructor"