| 1 | # Copyright (C) 2009-2018 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 inferiors to Python. |
| 18 | |
| 19 | load_lib gdb-python.exp |
| 20 | |
| 21 | standard_testfile |
| 22 | |
| 23 | if { [gdb_compile_pthreads ${srcdir}/${subdir}/${srcfile} ${binfile} executable {debug}] != "" } { |
| 24 | return -1 |
| 25 | } |
| 26 | |
| 27 | # Start with a fresh gdb. |
| 28 | clean_restart ${testfile} |
| 29 | |
| 30 | # Skip all tests if Python scripting is not enabled. |
| 31 | if { [skip_python_tests] } { continue } |
| 32 | |
| 33 | switch [get_endianness] { |
| 34 | little { set python_pack_char "<" } |
| 35 | big { set python_pack_char ">" } |
| 36 | } |
| 37 | |
| 38 | # The following tests require execution. |
| 39 | |
| 40 | if ![runto_main] then { |
| 41 | fail "can't run to main" |
| 42 | return 0 |
| 43 | } |
| 44 | |
| 45 | # Test basic gdb.Inferior attributes and methods. |
| 46 | |
| 47 | gdb_py_test_silent_cmd "python inferiors = gdb.inferiors ()" "get inferiors list" 1 |
| 48 | gdb_test "python print (inferiors)" "\\(<gdb.Inferior object at 0x\[\[:xdigit:\]\]+>,\\)" "verify inferiors list" |
| 49 | gdb_py_test_silent_cmd "python i0 = inferiors\[0\]" "get first inferior" 0 |
| 50 | |
| 51 | gdb_test "python print ('result = %s' % (i0 == inferiors\[0\]))" " = True" "test equality comparison (true)" |
| 52 | gdb_test "python print ('result = %s' % i0.num)" " = \[0-9\]+" "test Inferior.num" |
| 53 | gdb_test "python print ('result = %s' % i0.pid)" " = \[0-9\]+" "test Inferior.pid" |
| 54 | gdb_test "python print ('result = %s' % i0.was_attached)" " = False" "test Inferior.was_attached" |
| 55 | gdb_test "python print (i0.threads ())" "\\(<gdb.InferiorThread object at 0x\[\[:xdigit:\]\]+>,\\)" "test Inferior.threads" |
| 56 | |
| 57 | # Test the number of inferior threads. |
| 58 | |
| 59 | gdb_breakpoint check_threads |
| 60 | gdb_continue_to_breakpoint "cont to check_threads" ".*pthread_barrier_wait.*" |
| 61 | gdb_test "python print (len (i0.threads ()))" "\r\n9" "test Inferior.threads 2" |
| 62 | |
| 63 | # Proceed to the next test. |
| 64 | |
| 65 | gdb_breakpoint [gdb_get_line_number "Break here."] |
| 66 | gdb_continue_to_breakpoint "cont to Break here." ".*Break here\..*" |
| 67 | |
| 68 | # Test memory read and write operations. |
| 69 | |
| 70 | gdb_py_test_silent_cmd "python addr = gdb.selected_frame ().read_var ('str')" \ |
| 71 | "read str address" 0 |
| 72 | gdb_py_test_silent_cmd "python str = gdb.inferiors()\[0\].read_memory (addr, 5); print(str)" \ |
| 73 | "read str contents" 1 |
| 74 | if { $gdb_py_is_py3k == 0 } { |
| 75 | gdb_py_test_silent_cmd "python a = 'a'" "" 0 |
| 76 | } else { |
| 77 | gdb_py_test_silent_cmd "python a = bytes('a', 'ascii')" "" 0 |
| 78 | } |
| 79 | gdb_py_test_silent_cmd "python str\[1\] = a" "change str" 0 |
| 80 | gdb_py_test_silent_cmd "python gdb.inferiors()\[0\].write_memory (addr, str)" \ |
| 81 | "write str" 1 |
| 82 | gdb_test "print (str)" " = \"hallo, testsuite\"" \ |
| 83 | "ensure str was changed in the inferior" |
| 84 | |
| 85 | # Test memory search. |
| 86 | |
| 87 | set hex_number {0x[0-9a-fA-F][0-9a-fA-F]*} |
| 88 | set dec_number {[0-9]+} |
| 89 | set history_prefix {[$][0-9]* = } |
| 90 | set newline {[\r\n]+} |
| 91 | set pattern_not_found "${newline}.None" |
| 92 | set one_pattern_found "${newline}.${dec_number}" |
| 93 | |
| 94 | # Test string pattern. |
| 95 | |
| 96 | with_test_prefix "string" { |
| 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" |
| 101 | |
| 102 | gdb_test "py print (gdb.inferiors()\[0\].search_memory (start_addr, length, 'aaa'))" \ |
| 103 | "${one_pattern_found}" "find string pattern" |
| 104 | |
| 105 | # Test not finding pattern because search range too small, with |
| 106 | # potential find at the edge of the range. |
| 107 | gdb_test "py print (gdb.inferiors()\[0\].search_memory (start_addr, 10+3, 'aaaa'))" \ |
| 108 | "${pattern_not_found}" "pattern not found at end of range" |
| 109 | |
| 110 | # Increase the search range by 1 and we should find the pattern. |
| 111 | gdb_test "py print (gdb.inferiors()\[0\].search_memory (start_addr, 10+3+1, 'aaa'))" \ |
| 112 | "${one_pattern_found}" "pattern found at end of range" |
| 113 | } |
| 114 | |
| 115 | # Import struct to pack the following patterns. |
| 116 | gdb_test_no_output "py from struct import *" |
| 117 | |
| 118 | # Test 16-bit pattern. |
| 119 | |
| 120 | with_test_prefix "16-bit" { |
| 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)" |
| 126 | gdb_test "py print (gdb.inferiors()\[0\].search_memory (start_addr, length, pattern))" \ |
| 127 | "${one_pattern_found}" "find 16-bit pattern, with value pattern" |
| 128 | } |
| 129 | |
| 130 | # Test 32-bit pattern. |
| 131 | |
| 132 | with_test_prefix "32-bit" { |
| 133 | gdb_test_no_output "set int32_search_buf\[10\] = 0x12345678" |
| 134 | gdb_test_no_output "py search_buf = gdb.selected_frame ().read_var ('int32_search_buf')" |
| 135 | gdb_test_no_output "py start_addr = search_buf.address" |
| 136 | gdb_test_no_output "py length = search_buf.type.sizeof" |
| 137 | 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" |
| 140 | } |
| 141 | |
| 142 | # Test 64-bit pattern. |
| 143 | |
| 144 | with_test_prefix "64-bit" { |
| 145 | gdb_test_no_output "set int64_search_buf\[10\] = 0xfedcba9876543210LL" |
| 146 | gdb_test_no_output "py search_buf = gdb.selected_frame ().read_var ('int64_search_buf')" |
| 147 | gdb_test_no_output "py start_addr = search_buf.address" |
| 148 | gdb_test_no_output "py length = search_buf.type.sizeof" |
| 149 | gdb_test_no_output "py pattern = pack('${python_pack_char}Q', 0xfedcba9876543210)" |
| 150 | gdb_test "py print (gdb.inferiors()\[0\].search_memory (start_addr, length, pattern))" \ |
| 151 | "${one_pattern_found}" "find 64-bit pattern, with value pattern" |
| 152 | } |
| 153 | |
| 154 | # Test mixed-sized patterns. |
| 155 | |
| 156 | with_test_prefix "mixed-sized" { |
| 157 | gdb_test_no_output "set *(int8_t*) &search_buf\[10\] = 0x62" |
| 158 | gdb_test_no_output "set *(int16_t*) &search_buf\[11\] = 0x6363" |
| 159 | gdb_test_no_output "set *(int32_t*) &search_buf\[13\] = 0x64646464" |
| 160 | gdb_test_no_output "py search_buf = gdb.selected_frame ().read_var ('search_buf')" |
| 161 | gdb_test_no_output "py start_addr = search_buf\[0\].address" |
| 162 | gdb_test_no_output "py pattern1 = pack('B', 0x62)" |
| 163 | gdb_test_no_output "py pattern2 = pack('${python_pack_char}H', 0x6363)" |
| 164 | gdb_test_no_output "py pattern3 = pack('${python_pack_char}I', 0x64646464)" |
| 165 | |
| 166 | gdb_test "py print (gdb.inferiors()\[0\].search_memory (start_addr, 100, pattern1))" \ |
| 167 | "${one_pattern_found}" "find mixed-sized pattern 1" |
| 168 | gdb_test "py print (gdb.inferiors()\[0\].search_memory (start_addr, 100, pattern2))" \ |
| 169 | "${one_pattern_found}" "find mixed-sized pattern 2" |
| 170 | gdb_test "py print (gdb.inferiors()\[0\].search_memory (start_addr, 100, pattern3))" \ |
| 171 | "${one_pattern_found}" "find mixed-sized pattern 3" |
| 172 | } |
| 173 | |
| 174 | # Test search spanning a large range, in the particular case of native |
| 175 | # targets, test the search spanning multiple chunks. |
| 176 | # Remote targets may implement the search differently. |
| 177 | |
| 178 | set CHUNK_SIZE 16000 |
| 179 | with_test_prefix "large range" { |
| 180 | gdb_test_no_output "set *(int32_t*) &search_buf\[0*${CHUNK_SIZE}+100\] = 0x12345678" |
| 181 | gdb_test_no_output "set *(int32_t*) &search_buf\[1*${CHUNK_SIZE}+100\] = 0x12345678" |
| 182 | gdb_test_no_output "py start_addr = gdb.selected_frame ().read_var ('search_buf')" |
| 183 | gdb_test_no_output "py end_addr = start_addr + gdb.selected_frame ().read_var ('search_buf_size')" |
| 184 | gdb_test_no_output "py pattern = pack('${python_pack_char}I', 0x12345678)" |
| 185 | |
| 186 | gdb_test_no_output "py first = gdb.inferiors()\[0\].search_memory (start_addr,end_addr - start_addr, pattern)" |
| 187 | gdb_test "py print (first)" "${one_pattern_found}" "search spanning large range 1st result" |
| 188 | gdb_test_no_output "py start_addr = first + 1" |
| 189 | gdb_test_no_output "py second = gdb.inferiors()\[0\].search_memory (start_addr, end_addr - start_addr, pattern)" |
| 190 | gdb_test "py print (second)" "${one_pattern_found}" "search spanning large range 2nd result" |
| 191 | gdb_test_no_output "py start_addr = second + 1" |
| 192 | gdb_test_no_output "py third = gdb.inferiors()\[0\].search_memory (start_addr, end_addr - start_addr, pattern)" |
| 193 | gdb_test "py print (third)" "${pattern_not_found}" "search spanning large range 3rd result" |
| 194 | } |
| 195 | |
| 196 | # For native targets, test a pattern straddling a chunk boundary. |
| 197 | |
| 198 | if [isnative] { |
| 199 | with_test_prefix "straddling" { |
| 200 | gdb_test_no_output "set *(int32_t*) &search_buf\[${CHUNK_SIZE}-1\] = 0xfdb97531" |
| 201 | gdb_test_no_output "py pattern = pack('${python_pack_char}I', 0xfdb97531)" |
| 202 | gdb_test_no_output "py start_addr = gdb.selected_frame ().read_var ('search_buf')" |
| 203 | gdb_test "py print (gdb.inferiors()\[0\].search_memory (start_addr, end_addr - start_addr, pattern))" \ |
| 204 | "${one_pattern_found}" "find pattern straddling chunk boundary" |
| 205 | } |
| 206 | } |
| 207 | |
| 208 | # Test Inferior is_valid. This must always be the last test in |
| 209 | # this testcase as it kills the inferior. |
| 210 | |
| 211 | with_test_prefix "is_valid" { |
| 212 | gdb_py_test_silent_cmd "python inf_list = gdb.inferiors()" "get initial list" 1 |
| 213 | gdb_test "python print (len(inf_list))" "1" "get inferior list length 1" |
| 214 | gdb_test "python print (inf_list\[0\].is_valid())" "True" \ |
| 215 | "check inferior validity 1" |
| 216 | |
| 217 | gdb_py_test_multiple "install new inferior event handler" \ |
| 218 | "python" "" \ |
| 219 | "my_inferior_count = 1" "" \ |
| 220 | "def new_inf_handler(evt):" "" \ |
| 221 | " global my_inferior_count" "" \ |
| 222 | " if evt.inferior is not None:" "" \ |
| 223 | " my_inferior_count = my_inferior_count + 1" "" \ |
| 224 | "gdb.events.new_inferior.connect(new_inf_handler)" "" \ |
| 225 | "end" "" |
| 226 | gdb_py_test_multiple "install inferior deleted event handler" \ |
| 227 | "python" "" \ |
| 228 | "def del_inf_handler(evt):" "" \ |
| 229 | " global my_inferior_count" "" \ |
| 230 | " if evt.inferior is not None:" "" \ |
| 231 | " my_inferior_count = my_inferior_count - 1" "" \ |
| 232 | "gdb.events.inferior_deleted.connect(del_inf_handler)" "" \ |
| 233 | "end" "" |
| 234 | |
| 235 | gdb_test "add-inferior" "Added inferior 2.*" "add empty inferior 2" |
| 236 | gdb_py_test_silent_cmd "python inf_list = gdb.inferiors()" "get new list" 1 |
| 237 | gdb_test "python print (len(inf_list))" "2" "get inferior list length 2" |
| 238 | gdb_test "python print (inf_list\[0\].is_valid())" "True" \ |
| 239 | "check inferior validity 2" |
| 240 | |
| 241 | gdb_test "python print (my_inferior_count)" "2" \ |
| 242 | "test new-inferior event handler" |
| 243 | |
| 244 | gdb_test "python print (inf_list\[1\].is_valid())" "True" \ |
| 245 | "check inferior validity 3" |
| 246 | |
| 247 | gdb_test_no_output "remove-inferiors 2" "remove-inferiors 3" |
| 248 | gdb_test "python print (inf_list\[0\].is_valid())" "True" \ |
| 249 | "check inferior validity 4" |
| 250 | |
| 251 | gdb_test "python print (inf_list\[1\].is_valid())" "False" \ |
| 252 | "check inferior validity 5" |
| 253 | |
| 254 | gdb_test "python print (my_inferior_count)" "1" \ |
| 255 | "test inferior-deleted event handler" |
| 256 | } |
| 257 | |
| 258 | # Test gdb.selected_inferior() |
| 259 | with_test_prefix "selected_inferior" { |
| 260 | gdb_test "inferior 1" ".*" "switch to first inferior" |
| 261 | gdb_test "py print (gdb.selected_inferior().num)" "1" "first inferior selected" |
| 262 | |
| 263 | gdb_test "add-inferior" "Added inferior 3" "create new inferior" |
| 264 | gdb_test "inferior 3" ".*" "switch to third inferior" |
| 265 | gdb_test "py print (gdb.selected_inferior().num)" "3" "third inferior selected" |
| 266 | gdb_test "inferior 1" ".*" "switch back to first inferior" |
| 267 | gdb_test_no_output "remove-inferiors 3" "remove second inferior" |
| 268 | } |