1# Copyright (C) 2009-2015 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 19load_lib gdb-python.exp 20 21standard_testfile 22 23if { [gdb_compile_pthreads ${srcdir}/${subdir}/${srcfile} ${binfile} executable {debug}] != "" } { 24 return -1 25} 26 27# Start with a fresh gdb. 28clean_restart ${testfile} 29 30# Skip all tests if Python scripting is not enabled. 31if { [skip_python_tests] } { continue } 32 33gdb_test_multiple "show endian" "getting target endian" { 34 -re ".*little endian.*$gdb_prompt $" { 35 set python_pack_char "<" 36 # pass silently 37 } 38 -re ".*big endian.*$gdb_prompt $" { 39 set python_pack_char ">" 40 # pass silently 41 } 42} 43 44# The following tests require execution. 45 46if ![runto_main] then { 47 fail "Can't run to main" 48 return 0 49} 50 51# Test basic gdb.Inferior attributes and methods. 52 53gdb_py_test_silent_cmd "python inferiors = gdb.inferiors ()" "get inferiors list" 1 54gdb_test "python print (inferiors)" "\\(<gdb.Inferior object at 0x\[\[:xdigit:\]\]+>,\\)" "verify inferiors list" 55gdb_py_test_silent_cmd "python i0 = inferiors\[0\]" "get first inferior" 0 56 57gdb_test "python print ('result = %s' % (i0 == inferiors\[0\]))" " = True" "test equality comparison (true)" 58gdb_test "python print ('result = %s' % i0.num)" " = \[0-9\]+" "test Inferior.num" 59gdb_test "python print ('result = %s' % i0.pid)" " = \[0-9\]+" "test Inferior.pid" 60gdb_test "python print ('result = %s' % i0.was_attached)" " = False" "test Inferior.was_attached" 61gdb_test "python print (i0.threads ())" "\\(<gdb.InferiorThread object at 0x\[\[:xdigit:\]\]+>,\\)" "test Inferior.threads" 62 63# Test the number of inferior threads. 64 65gdb_breakpoint check_threads 66gdb_continue_to_breakpoint "cont to check_threads" ".*pthread_barrier_wait.*" 67gdb_test "python print (len (i0.threads ()))" "\r\n9" "test Inferior.threads 2" 68 69# Proceed to the next test. 70 71gdb_breakpoint [gdb_get_line_number "Break here."] 72gdb_continue_to_breakpoint "cont to Break here." ".*Break here\..*" 73 74# Test memory read and write operations. 75 76gdb_py_test_silent_cmd "python addr = gdb.selected_frame ().read_var ('str')" \ 77 "read str address" 0 78gdb_py_test_silent_cmd "python str = gdb.inferiors()\[0\].read_memory (addr, 5); print(str)" \ 79 "read str contents" 1 80if { $gdb_py_is_py3k == 0 } { 81 gdb_py_test_silent_cmd "python a = 'a'" "" 0 82} else { 83 gdb_py_test_silent_cmd "python a = bytes('a', 'ascii')" "" 0 84} 85gdb_py_test_silent_cmd "python str\[1\] = a" "change str" 0 86gdb_py_test_silent_cmd "python gdb.inferiors()\[0\].write_memory (addr, str)" \ 87 "write str" 1 88gdb_test "print (str)" " = \"hallo, testsuite\"" \ 89 "ensure str was changed in the inferior" 90 91# Test memory search. 92 93set hex_number {0x[0-9a-fA-F][0-9a-fA-F]*} 94set dec_number {[0-9]+} 95set history_prefix {[$][0-9]* = } 96set newline {[\r\n]+} 97set pattern_not_found "${newline}.None" 98set one_pattern_found "${newline}.${dec_number}" 99 100# Test string pattern. 101 102gdb_test "set *(int32_t*) &int8_search_buf\[10\] = 0x61616161" "" "" 103gdb_test "py search_buf = gdb.selected_frame ().read_var ('int8_search_buf')" "" "" 104gdb_test_no_output "py start_addr = search_buf.address" 105gdb_test_no_output "py length = search_buf.type.sizeof" 106 107gdb_test "py print (gdb.inferiors()\[0\].search_memory (start_addr, length, 'aaa'))" \ 108 "${one_pattern_found}" "find string pattern" 109 110# Test not finding pattern because search range too small, with 111# potential find at the edge of the range. 112 113gdb_test "py print (gdb.inferiors()\[0\].search_memory (start_addr, 10+3, 'aaaa'))" \ 114 "${pattern_not_found}" "pattern not found at end of range" 115 116# Increase the search range by 1 and we should find the pattern. 117 118gdb_test "py print (gdb.inferiors()\[0\].search_memory (start_addr, 10+3+1, 'aaa'))" \ 119 "${one_pattern_found}" "pattern found at end of range" 120 121# Import struct to pack the following patterns. 122gdb_test_no_output "py from struct import *" 123 124# Test 16-bit pattern. 125 126gdb_test_no_output "set int16_search_buf\[10\] = 0x1234" 127gdb_test_no_output "py search_buf = gdb.selected_frame ().read_var ('int16_search_buf')" 128gdb_test_no_output "py start_addr = search_buf.address" 129gdb_test_no_output "py length = search_buf.type.sizeof" 130gdb_test_no_output "py pattern = pack('${python_pack_char}H',0x1234)" 131 132gdb_test "py print (gdb.inferiors()\[0\].search_memory (start_addr, length, pattern))" \ 133 "${one_pattern_found}" "find 16-bit pattern, with value pattern" 134 135# Test 32-bit pattern. 136 137gdb_test_no_output "set int32_search_buf\[10\] = 0x12345678" 138gdb_test_no_output "py search_buf = gdb.selected_frame ().read_var ('int32_search_buf')" 139gdb_test_no_output "py start_addr = search_buf.address" 140gdb_test_no_output "py length = search_buf.type.sizeof" 141gdb_test_no_output "py pattern = pack('${python_pack_char}I',0x12345678)" 142 143gdb_test "py print (gdb.inferiors()\[0\].search_memory (start_addr, length, pattern))" \ 144 "${one_pattern_found}" "find 32-bit pattern, with python pattern" 145 146# Test 64-bit pattern. 147 148gdb_test_no_output "set int64_search_buf\[10\] = 0xfedcba9876543210LL" 149gdb_test_no_output "py search_buf = gdb.selected_frame ().read_var ('int64_search_buf')" 150gdb_test_no_output "py start_addr = search_buf.address" 151gdb_test_no_output "py length = search_buf.type.sizeof" 152gdb_test_no_output "py pattern = pack('${python_pack_char}Q', 0xfedcba9876543210)" 153 154gdb_test "py print (gdb.inferiors()\[0\].search_memory (start_addr, length, pattern))" \ 155 "${one_pattern_found}" "find 64-bit pattern, with value pattern" 156 157# Test mixed-sized patterns. 158 159gdb_test_no_output "set *(int8_t*) &search_buf\[10\] = 0x62" 160gdb_test_no_output "set *(int16_t*) &search_buf\[11\] = 0x6363" 161gdb_test_no_output "set *(int32_t*) &search_buf\[13\] = 0x64646464" 162gdb_test_no_output "py search_buf = gdb.selected_frame ().read_var ('search_buf')" 163gdb_test_no_output "py start_addr = search_buf\[0\].address" 164gdb_test_no_output "py pattern1 = pack('B', 0x62)" 165gdb_test_no_output "py pattern2 = pack('${python_pack_char}H', 0x6363)" 166gdb_test_no_output "py pattern3 = pack('${python_pack_char}I', 0x64646464)" 167 168gdb_test "py print (gdb.inferiors()\[0\].search_memory (start_addr, 100, pattern1))" \ 169 "${one_pattern_found}" "find mixed-sized pattern" 170gdb_test "py print (gdb.inferiors()\[0\].search_memory (start_addr, 100, pattern2))" \ 171 "${one_pattern_found}" "find mixed-sized pattern" 172gdb_test "py print (gdb.inferiors()\[0\].search_memory (start_addr, 100, pattern3))" \ 173 "${one_pattern_found}" "find mixed-sized pattern" 174 175# Test search spanning a large range, in the particular case of native 176# targets, test the search spanning multiple chunks. 177# Remote targets may implement the search differently. 178 179set CHUNK_SIZE 16000 180 181gdb_test_no_output "set *(int32_t*) &search_buf\[0*${CHUNK_SIZE}+100\] = 0x12345678" 182gdb_test_no_output "set *(int32_t*) &search_buf\[1*${CHUNK_SIZE}+100\] = 0x12345678" 183gdb_test_no_output "py start_addr = gdb.selected_frame ().read_var ('search_buf')" 184gdb_test_no_output "py end_addr = start_addr + gdb.selected_frame ().read_var ('search_buf_size')" 185gdb_test_no_output "py pattern = pack('${python_pack_char}I', 0x12345678)" 186gdb_test_no_output "py first = gdb.inferiors()\[0\].search_memory (start_addr,end_addr - start_addr, pattern)" 187gdb_test "py print (first)" "${one_pattern_found}" "search spanning large range 1st result" 188gdb_test_no_output "py start_addr = first + 1" 189gdb_test_no_output "py second = gdb.inferiors()\[0\].search_memory (start_addr, end_addr - start_addr, pattern)" 190gdb_test "py print (second)" "${one_pattern_found}" "search spanning large range 2nd result" 191gdb_test_no_output "py start_addr = second + 1" 192gdb_test_no_output "py third = gdb.inferiors()\[0\].search_memory (start_addr, end_addr - start_addr, pattern)" 193gdb_test "py print (third)" "${pattern_not_found}" "search spanning large range 3rd result" 194 195# For native targets, test a pattern straddling a chunk boundary. 196 197if [isnative] { 198 gdb_test_no_output "set *(int32_t*) &search_buf\[${CHUNK_SIZE}-1\] = 0xfdb97531" 199 gdb_test_no_output "py pattern = pack('${python_pack_char}I', 0xfdb97531)" 200 gdb_test_no_output "py start_addr = gdb.selected_frame ().read_var ('search_buf')" 201 gdb_test "py print (gdb.inferiors()\[0\].search_memory (start_addr, end_addr - start_addr, pattern))" \ 202 "${one_pattern_found}" "find pattern straddling chunk boundary" 203} 204 205# Test Inferior is_valid. This must always be the last test in 206# this testcase as it kills the inferior. 207 208gdb_py_test_silent_cmd "python inf_list = gdb.inferiors()" "get initial list" 1 209gdb_test "python print (len(inf_list))" "1" "Get inferior list length" 210gdb_test "python print (inf_list\[0\].is_valid())" "True" \ 211 "Check inferior validity" 212gdb_test "add-inferior" "Added inferior 2.*" "add empty inferior 2" 213gdb_py_test_silent_cmd "python inf_list = gdb.inferiors()" "get new list" 1 214gdb_test "python print (len(inf_list))" "2" "Get inferior list length" 215gdb_test "python print (inf_list\[0\].is_valid())" "True" \ 216 "Check inferior validity" 217gdb_test "python print (inf_list\[1\].is_valid())" "True" \ 218 "Check inferior validity" 219gdb_test_no_output "remove-inferiors 2" "remove-inferiors 3" 220gdb_test "python print (inf_list\[0\].is_valid())" "False" \ 221 "Check inferior validity" 222gdb_test "python print (inf_list\[1\].is_valid())" "True" \ 223 "Check inferior validity" 224 225# Test gdb.selected_inferior() 226gdb_test "inferior 1" ".*" "Switch to first inferior" 227gdb_test "py print (gdb.selected_inferior().num)" "1" "First inferior selected" 228 229gdb_test "add-inferior" "Added inferior 3" "Create new inferior" 230gdb_test "inferior 3" ".*" "Switch to third inferior" 231gdb_test "py print (gdb.selected_inferior().num)" "3" "Third inferior selected" 232gdb_test "inferior 1" ".*" "Switch to first inferior" 233gdb_test_no_output "remove-inferiors 3" "Remove second inferior" 234