blob: 4cdb3b89c231039e159a96b4512762d71d1c9acb (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
|
# Copyright (C) 2010-2016 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"
|
