1 # Copyright (C) 2009-2012 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 inferiors to Python.
19 load_lib gdb-python.exp
23 if { [gdb_compile_pthreads ${srcdir}/${subdir}/${srcfile} ${binfile} executable {debug}] != "" } {
27 # Start with a fresh gdb.
28 clean_restart ${testfile}
30 # Skip all tests if Python scripting is not enabled.
31 if { [skip_python_tests] } { continue }
33 gdb_test_multiple "show endian" "getting target endian" {
34 -re ".*little endian.*$gdb_prompt $" {
35 set python_pack_char "<"
38 -re ".*big endian.*$gdb_prompt $" {
39 set python_pack_char ">"
44 # The following tests require execution.
46 if ![runto_main] then {
47 fail "Can't run to main"
51 # Test basic gdb.Inferior attributes and methods.
53 gdb_py_test_silent_cmd "python inferiors = gdb.inferiors ()" "get inferiors list" 1
54 gdb_test "python print inferiors" "\\(<gdb.Inferior object at 0x\[\[:xdigit:\]\]+>,\\)" "verify inferiors list"
55 gdb_py_test_silent_cmd "python i0 = inferiors\[0\]" "get first inferior" 0
57 gdb_test "python print 'result =', i0 == inferiors\[0\]" " = True" "test equality comparison (true)"
58 gdb_test "python print 'result =', i0.num" " = \[0-9\]+" "test Inferior.num"
59 gdb_test "python print 'result =', i0.pid" " = \[0-9\]+" "test Inferior.pid"
60 gdb_test "python print 'result =', i0.was_attached" " = False" "test Inferior.was_attached"
61 gdb_test "python print i0.threads ()" "\\(<gdb.InferiorThread object at 0x\[\[:xdigit:\]\]+>,\\)" "test Inferior.threads"
63 # Test the number of inferior threads.
65 gdb_breakpoint check_threads
66 gdb_continue_to_breakpoint "cont to check_threads" ".*pthread_barrier_wait.*"
67 gdb_test "python print len (i0.threads ())" "\r\n9" "test Inferior.threads 2"
69 # Proceed to the next test.
71 gdb_breakpoint [gdb_get_line_number "Break here."]
72 gdb_continue_to_breakpoint "cont to Break here." ".*Break here\..*"
74 # Test memory read and write operations.
76 gdb_py_test_silent_cmd "python addr = gdb.selected_frame ().read_var ('str')" \
78 gdb_py_test_silent_cmd "python str = gdb.inferiors()\[0\].read_memory (addr, 5)" \
80 gdb_py_test_silent_cmd "python str\[1\] = 'a'" "change str" 0
81 gdb_py_test_silent_cmd "python gdb.inferiors()\[0\].write_memory (addr, str)" \
83 gdb_test "print str" " = \"hallo, testsuite\"" \
84 "ensure str was changed in the inferior"
88 set hex_number {0x[0-9a-fA-F][0-9a-fA-F]*}
89 set dec_number {[0-9]+}
90 set history_prefix {[$][0-9]* = }
92 set pattern_not_found "${newline}.None"
93 set one_pattern_found "${newline}.${dec_number}"
95 # Test string pattern.
97 gdb_test "set *(int32_t*) &int8_search_buf\[10\] = 0x61616161" "" ""
98 gdb_test "py search_buf = gdb.selected_frame ().read_var ('int8_search_buf')" "" ""
99 gdb_test_no_output "py start_addr = search_buf.address"
100 gdb_test_no_output "py length = search_buf.type.sizeof"
102 gdb_test "py print gdb.inferiors()\[0\].search_memory (start_addr, length, 'aaa')" \
103 "${one_pattern_found}" "find string pattern"
105 # Test not finding pattern because search range too small, with
106 # potential find at the edge of the range.
108 gdb_test "py print gdb.inferiors()\[0\].search_memory (start_addr, 10+3, 'aaaa')" \
109 "${pattern_not_found}" "pattern not found at end of range"
111 # Increase the search range by 1 and we should find the pattern.
113 gdb_test "py print gdb.inferiors()\[0\].search_memory (start_addr, 10+3+1, 'aaa')" \
114 "${one_pattern_found}" "pattern found at end of range"
116 # Import struct to pack the following patterns.
117 gdb_test_no_output "py from struct import *"
119 # Test 16-bit pattern.
121 gdb_test_no_output "set int16_search_buf\[10\] = 0x1234"
122 gdb_test_no_output "py search_buf = gdb.selected_frame ().read_var ('int16_search_buf')"
123 gdb_test_no_output "py start_addr = search_buf.address"
124 gdb_test_no_output "py length = search_buf.type.sizeof"
125 gdb_test_no_output "py pattern = pack('${python_pack_char}H',0x1234)"
127 gdb_test "py print gdb.inferiors()\[0\].search_memory (start_addr, length, pattern)" \
128 "${one_pattern_found}" "find 16-bit pattern, with value pattern"
130 # Test 32-bit pattern.
132 gdb_test_no_output "set int32_search_buf\[10\] = 0x12345678"
133 gdb_test_no_output "py search_buf = gdb.selected_frame ().read_var ('int32_search_buf')"
134 gdb_test_no_output "py start_addr = search_buf.address"
135 gdb_test_no_output "py length = search_buf.type.sizeof"
136 gdb_test_no_output "py pattern = pack('${python_pack_char}I',0x12345678)"
138 gdb_test "py print gdb.inferiors()\[0\].search_memory (start_addr, length, pattern)" \
139 "${one_pattern_found}" "find 32-bit pattern, with python pattern"
141 # Test 64-bit pattern.
143 gdb_test_no_output "set int64_search_buf\[10\] = 0xfedcba9876543210LL"
144 gdb_test_no_output "py search_buf = gdb.selected_frame ().read_var ('int64_search_buf')"
145 gdb_test_no_output "py start_addr = search_buf.address"
146 gdb_test_no_output "py length = search_buf.type.sizeof"
147 gdb_test_no_output "py pattern = pack('${python_pack_char}Q', 0xfedcba9876543210)"
149 gdb_test "py print gdb.inferiors()\[0\].search_memory (start_addr, length, pattern)" \
150 "${one_pattern_found}" "find 64-bit pattern, with value pattern"
152 # Test mixed-sized patterns.
154 gdb_test_no_output "set *(int8_t*) &search_buf\[10\] = 0x62"
155 gdb_test_no_output "set *(int16_t*) &search_buf\[11\] = 0x6363"
156 gdb_test_no_output "set *(int32_t*) &search_buf\[13\] = 0x64646464"
157 gdb_test_no_output "py search_buf = gdb.selected_frame ().read_var ('search_buf')"
158 gdb_test_no_output "py start_addr = search_buf\[0\].address"
159 gdb_test_no_output "py pattern1 = pack('B', 0x62)"
160 gdb_test_no_output "py pattern2 = pack('${python_pack_char}H', 0x6363)"
161 gdb_test_no_output "py pattern3 = pack('${python_pack_char}I', 0x64646464)"
163 gdb_test "py print gdb.inferiors()\[0\].search_memory (start_addr, 100, pattern1)" \
164 "${one_pattern_found}" "find mixed-sized pattern"
165 gdb_test "py print gdb.inferiors()\[0\].search_memory (start_addr, 100, pattern2)" \
166 "${one_pattern_found}" "find mixed-sized pattern"
167 gdb_test "py print gdb.inferiors()\[0\].search_memory (start_addr, 100, pattern3)" \
168 "${one_pattern_found}" "find mixed-sized pattern"
170 # Test search spanning a large range, in the particular case of native
171 # targets, test the search spanning multiple chunks.
172 # Remote targets may implement the search differently.
174 set CHUNK_SIZE 16000 ;
176 gdb_test_no_output "set *(int32_t*) &search_buf\[0*${CHUNK_SIZE}+100\] = 0x12345678"
177 gdb_test_no_output "set *(int32_t*) &search_buf\[1*${CHUNK_SIZE}+100\] = 0x12345678"
178 gdb_test_no_output "py start_addr = gdb.selected_frame ().read_var ('search_buf')"
179 gdb_test_no_output "py end_addr = start_addr + gdb.selected_frame ().read_var ('search_buf_size')"
180 gdb_test_no_output "py pattern = pack('${python_pack_char}I', 0x12345678)"
181 gdb_test_no_output "py first = gdb.inferiors()\[0\].search_memory (start_addr,end_addr - start_addr, pattern)"
182 gdb_test "py print first" "${one_pattern_found}" "search spanning large range 1st result"
183 gdb_test_no_output "py start_addr = first + 1"
184 gdb_test_no_output "py second = gdb.inferiors()\[0\].search_memory (start_addr, end_addr - start_addr, pattern)"
185 gdb_test "py print second" "${one_pattern_found}" "search spanning large range 2nd result"
186 gdb_test_no_output "py start_addr = second + 1"
187 gdb_test_no_output "py third = gdb.inferiors()\[0\].search_memory (start_addr, end_addr - start_addr, pattern)"
188 gdb_test "py print third" "${pattern_not_found}" "search spanning large range 3rd result"
190 # For native targets, test a pattern straddling a chunk boundary.
193 gdb_test_no_output "set *(int32_t*) &search_buf\[${CHUNK_SIZE}-1\] = 0xfdb97531"
194 gdb_test_no_output "py pattern = pack('${python_pack_char}I', 0xfdb97531)"
195 gdb_test_no_output "py start_addr = gdb.selected_frame ().read_var ('search_buf')"
196 gdb_test "py print gdb.inferiors()\[0\].search_memory (start_addr, end_addr - start_addr, pattern)" \
197 "${one_pattern_found}" "find pattern straddling chunk boundary"
200 # Test Inferior is_valid. This must always be the last test in
201 # this testcase as it kills the inferior.
203 gdb_py_test_silent_cmd "python inf_list = gdb.inferiors()" "get initial list" 1
204 gdb_test "python print len(inf_list)" "1" "Get inferior list length"
205 gdb_test "python print inf_list\[0\].is_valid()" "True" \
206 "Check inferior validity"
207 gdb_test "add-inferior" "Added inferior 2.*" "add empty inferior 2"
208 gdb_py_test_silent_cmd "python inf_list = gdb.inferiors()" "get new list" 1
209 gdb_test "python print len(inf_list)" "2" "Get inferior list length"
210 gdb_test "python print inf_list\[0\].is_valid()" "True" \
211 "Check inferior validity"
212 gdb_test "python print inf_list\[1\].is_valid()" "True" \
213 "Check inferior validity"
214 gdb_test_no_output "remove-inferiors 2" "remove-inferiors 3"
215 gdb_test "python print inf_list\[0\].is_valid()" "False" \
216 "Check inferior validity"
217 gdb_test "python print inf_list\[1\].is_valid()" "True" \
218 "Check inferior validity"
220 # Test gdb.selected_inferior()
221 gdb_test "inferior 1" ".*" "Switch to first inferior"
222 gdb_test "py print gdb.selected_inferior().num" "1" "First inferior selected"
224 gdb_test "add-inferior" "Added inferior 3" "Create new inferior"
225 gdb_test "inferior 3" ".*" "Switch to third inferior"
226 gdb_test "py print gdb.selected_inferior().num" "3" "Third inferior selected"
227 gdb_test "inferior 1" ".*" "Switch to first inferior"
228 gdb_test_no_output "remove-inferiors 3" "Remove second inferior"