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3666a04883
This commits the result of running gdb/copyright.py as per our Start
of New Year procedure...
gdb/ChangeLog
Update copyright year range in copyright header of all GDB files.
310 lines
13 KiB
Plaintext
310 lines
13 KiB
Plaintext
# Copyright (C) 2009-2021 Free Software Foundation, Inc.
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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# This file is part of the GDB testsuite. It tests the mechanism
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# exposing inferiors to Python.
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load_lib gdb-python.exp
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standard_testfile
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if { [gdb_compile_pthreads ${srcdir}/${subdir}/${srcfile} ${binfile} executable {debug}] != "" } {
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return -1
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}
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# Start with a fresh gdb.
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clean_restart ${testfile}
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# Skip all tests if Python scripting is not enabled.
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if { [skip_python_tests] } { continue }
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switch [get_endianness] {
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little { set python_pack_char "<" }
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big { set python_pack_char ">" }
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}
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# The following tests require execution.
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if ![runto_main] then {
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fail "can't run to main"
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return 0
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}
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# Test basic gdb.Inferior attributes and methods.
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gdb_py_test_silent_cmd "python inferiors = gdb.inferiors ()" "get inferiors list" 1
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gdb_test "python print (inferiors)" \
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"\\(<gdb.Inferior num=1, pid=$decimal>,\\)" "verify inferiors list"
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gdb_py_test_silent_cmd "python i0 = inferiors\[0\]" "get first inferior" 0
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gdb_test "python print ('result = %s' % (i0 == inferiors\[0\]))" " = True" "test equality comparison (true)"
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gdb_test "python print ('result = %s' % i0.num)" " = \[0-9\]+" "test Inferior.num"
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gdb_test "python print ('result = %s' % i0.pid)" " = \[0-9\]+" "test Inferior.pid"
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gdb_test "python print ('result = %s' % i0.was_attached)" " = False" "test Inferior.was_attached"
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gdb_test "python print (i0.threads ())" "\\(<gdb.InferiorThread object at 0x\[\[:xdigit:\]\]+>,\\)" "test Inferior.threads"
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gdb_test "python print (i0.progspace)" "<gdb.Progspace object at $hex>"
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gdb_test "python print (i0.progspace == gdb.progspaces()\[0\])" "True"
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# Test the number of inferior threads.
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gdb_breakpoint check_threads
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gdb_continue_to_breakpoint "cont to check_threads" ".*pthread_barrier_wait.*"
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gdb_test "python print (len (i0.threads ()))" "\r\n9" "test Inferior.threads 2"
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# Proceed to the next test.
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gdb_breakpoint [gdb_get_line_number "Break here."]
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gdb_continue_to_breakpoint "cont to Break here." ".*Break here\..*"
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# Test memory read and write operations.
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gdb_py_test_silent_cmd "python addr = gdb.selected_frame ().read_var ('str')" \
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"read str address" 0
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gdb_py_test_silent_cmd "python str = gdb.inferiors()\[0\].read_memory (addr, 5); print(str)" \
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"read str contents" 1
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if { $gdb_py_is_py3k == 0 } {
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gdb_py_test_silent_cmd "python a = 'a'" "" 0
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} else {
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gdb_py_test_silent_cmd "python a = bytes('a', 'ascii')" "" 0
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}
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gdb_py_test_silent_cmd "python str\[1\] = a" "change str" 0
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gdb_py_test_silent_cmd "python gdb.inferiors()\[0\].write_memory (addr, str)" \
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"write str" 1
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gdb_test "print (str)" " = \"hallo, testsuite\"" \
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"ensure str was changed in the inferior"
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# Test memory search.
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set hex_number {0x[0-9a-fA-F][0-9a-fA-F]*}
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set dec_number {[0-9]+}
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set history_prefix {[$][0-9]* = }
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set newline {[\r\n]+}
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set pattern_not_found "${newline}.None"
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set one_pattern_found "${newline}.${dec_number}"
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# Test string pattern.
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with_test_prefix "string" {
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gdb_test "set *(int32_t*) &int8_search_buf\[10\] = 0x61616161"
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gdb_test "py search_buf = gdb.selected_frame ().read_var ('int8_search_buf')"
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gdb_test_no_output "py start_addr = search_buf.address"
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gdb_test_no_output "py length = search_buf.type.sizeof"
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gdb_test "py print (gdb.inferiors()\[0\].search_memory (start_addr, length, 'aaa'))" \
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"${one_pattern_found}" "find string pattern"
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# Test not finding pattern because search range too small, with
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# potential find at the edge of the range.
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gdb_test "py print (gdb.inferiors()\[0\].search_memory (start_addr, 10+3, 'aaaa'))" \
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"${pattern_not_found}" "pattern not found at end of range"
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# Increase the search range by 1 and we should find the pattern.
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gdb_test "py print (gdb.inferiors()\[0\].search_memory (start_addr, 10+3+1, 'aaa'))" \
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"${one_pattern_found}" "pattern found at end of range"
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}
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# Import struct to pack the following patterns.
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gdb_test_no_output "py from struct import *"
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# Test 16-bit pattern.
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with_test_prefix "16-bit" {
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gdb_test_no_output "set int16_search_buf\[10\] = 0x1234"
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gdb_test_no_output "py search_buf = gdb.selected_frame ().read_var ('int16_search_buf')"
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gdb_test_no_output "py start_addr = search_buf.address"
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gdb_test_no_output "py length = search_buf.type.sizeof"
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gdb_test_no_output "py pattern = pack('${python_pack_char}H',0x1234)"
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gdb_test "py print (gdb.inferiors()\[0\].search_memory (start_addr, length, pattern))" \
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"${one_pattern_found}" "find 16-bit pattern, with value pattern"
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}
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# Test 32-bit pattern.
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with_test_prefix "32-bit" {
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gdb_test_no_output "set int32_search_buf\[10\] = 0x12345678"
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gdb_test_no_output "py search_buf = gdb.selected_frame ().read_var ('int32_search_buf')"
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gdb_test_no_output "py start_addr = search_buf.address"
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gdb_test_no_output "py length = search_buf.type.sizeof"
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gdb_test_no_output "py pattern = pack('${python_pack_char}I',0x12345678)"
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gdb_test "py print (gdb.inferiors()\[0\].search_memory (start_addr, length, pattern))" \
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"${one_pattern_found}" "find 32-bit pattern, with python pattern"
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}
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# Test 64-bit pattern.
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with_test_prefix "64-bit" {
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gdb_test_no_output "set int64_search_buf\[10\] = 0xfedcba9876543210LL"
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gdb_test_no_output "py search_buf = gdb.selected_frame ().read_var ('int64_search_buf')"
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gdb_test_no_output "py start_addr = search_buf.address"
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gdb_test_no_output "py length = search_buf.type.sizeof"
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gdb_test_no_output "py pattern = pack('${python_pack_char}Q', 0xfedcba9876543210)"
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gdb_test "py print (gdb.inferiors()\[0\].search_memory (start_addr, length, pattern))" \
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"${one_pattern_found}" "find 64-bit pattern, with value pattern"
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}
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# Test mixed-sized patterns.
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with_test_prefix "mixed-sized" {
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gdb_test_no_output "set *(int8_t*) &search_buf\[10\] = 0x62"
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gdb_test_no_output "set *(int16_t*) &search_buf\[11\] = 0x6363"
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gdb_test_no_output "set *(int32_t*) &search_buf\[13\] = 0x64646464"
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gdb_test_no_output "py search_buf = gdb.selected_frame ().read_var ('search_buf')"
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gdb_test_no_output "py start_addr = search_buf\[0\].address"
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gdb_test_no_output "py pattern1 = pack('B', 0x62)"
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gdb_test_no_output "py pattern2 = pack('${python_pack_char}H', 0x6363)"
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gdb_test_no_output "py pattern3 = pack('${python_pack_char}I', 0x64646464)"
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gdb_test "py print (gdb.inferiors()\[0\].search_memory (start_addr, 100, pattern1))" \
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"${one_pattern_found}" "find mixed-sized pattern 1"
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gdb_test "py print (gdb.inferiors()\[0\].search_memory (start_addr, 100, pattern2))" \
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"${one_pattern_found}" "find mixed-sized pattern 2"
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gdb_test "py print (gdb.inferiors()\[0\].search_memory (start_addr, 100, pattern3))" \
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"${one_pattern_found}" "find mixed-sized pattern 3"
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}
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# Test search spanning a large range, in the particular case of native
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# targets, test the search spanning multiple chunks.
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# Remote targets may implement the search differently.
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set CHUNK_SIZE 16000
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with_test_prefix "large range" {
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gdb_test_no_output "set *(int32_t*) &search_buf\[0*${CHUNK_SIZE}+100\] = 0x12345678"
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gdb_test_no_output "set *(int32_t*) &search_buf\[1*${CHUNK_SIZE}+100\] = 0x12345678"
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gdb_test_no_output "py start_addr = gdb.selected_frame ().read_var ('search_buf')"
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gdb_test_no_output "py end_addr = start_addr + gdb.selected_frame ().read_var ('search_buf_size')"
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gdb_test_no_output "py pattern = pack('${python_pack_char}I', 0x12345678)"
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gdb_test_no_output "py first = gdb.inferiors()\[0\].search_memory (start_addr,end_addr - start_addr, pattern)"
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gdb_test "py print (first)" "${one_pattern_found}" "search spanning large range 1st result"
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gdb_test_no_output "py start_addr = first + 1"
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gdb_test_no_output "py second = gdb.inferiors()\[0\].search_memory (start_addr, end_addr - start_addr, pattern)"
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gdb_test "py print (second)" "${one_pattern_found}" "search spanning large range 2nd result"
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gdb_test_no_output "py start_addr = second + 1"
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gdb_test_no_output "py third = gdb.inferiors()\[0\].search_memory (start_addr, end_addr - start_addr, pattern)"
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gdb_test "py print (third)" "${pattern_not_found}" "search spanning large range 3rd result"
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}
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# For native targets, test a pattern straddling a chunk boundary.
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if [isnative] {
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with_test_prefix "straddling" {
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gdb_test_no_output "set *(int32_t*) &search_buf\[${CHUNK_SIZE}-1\] = 0xfdb97531"
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gdb_test_no_output "py pattern = pack('${python_pack_char}I', 0xfdb97531)"
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gdb_test_no_output "py start_addr = gdb.selected_frame ().read_var ('search_buf')"
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gdb_test "py print (gdb.inferiors()\[0\].search_memory (start_addr, end_addr - start_addr, pattern))" \
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"${one_pattern_found}" "find pattern straddling chunk boundary"
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}
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}
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# Test Inferior is_valid. This must always be the last test in
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# this testcase as it kills the inferior.
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with_test_prefix "is_valid" {
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gdb_py_test_silent_cmd "python inf_list = gdb.inferiors()" "get initial list" 1
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gdb_test "python print (len(inf_list))" "1" "get inferior list length 1"
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gdb_test "python print (inf_list\[0\].is_valid())" "True" \
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"check inferior validity 1"
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gdb_test_multiline "install new inferior event handler" \
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"python" "" \
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"my_inferior_count = 1" "" \
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"def new_inf_handler(evt):" "" \
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" global my_inferior_count" "" \
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" if evt.inferior is not None:" "" \
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" my_inferior_count = my_inferior_count + 1" "" \
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"gdb.events.new_inferior.connect(new_inf_handler)" "" \
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"end" ""
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gdb_test_multiline "install inferior deleted event handler" \
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"python" "" \
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"def del_inf_handler(evt):" "" \
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" global my_inferior_count" "" \
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" if evt.inferior is not None:" "" \
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" my_inferior_count = my_inferior_count - 1" "" \
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"gdb.events.inferior_deleted.connect(del_inf_handler)" "" \
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"end" ""
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gdb_test "add-inferior" "Added inferior 2.*" "add empty inferior 2"
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gdb_py_test_silent_cmd "python inf_list = gdb.inferiors()" "get new list" 1
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gdb_test "python print (len(inf_list))" "2" "get inferior list length 2"
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gdb_test "python print (inf_list\[0\].is_valid())" "True" \
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"check inferior validity 2"
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gdb_test "python print (my_inferior_count)" "2" \
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"test new-inferior event handler"
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gdb_test "python print (inf_list\[1\].is_valid())" "True" \
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"check inferior validity 3"
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gdb_test_no_output "remove-inferiors 2" "remove-inferiors 3"
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gdb_test "python print (inf_list\[0\].is_valid())" "True" \
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"check inferior validity 4"
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gdb_test "python print (inf_list\[1\].is_valid())" "False" \
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"check inferior validity 5"
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gdb_test "python print (my_inferior_count)" "1" \
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"test inferior-deleted event handler"
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# Test that other properties and methods handle the removed inferior
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# correctly.
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gdb_test "python print (inf_list\[1\].num)" \
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"RuntimeError: Inferior no longer exists.*"
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gdb_test "python print (inf_list\[1\].pid)" \
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"RuntimeError: Inferior no longer exists.*"
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gdb_test "python print (inf_list\[1\].was_attached)" \
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"RuntimeError: Inferior no longer exists.*"
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gdb_test "python print (inf_list\[1\].progspace)" \
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"RuntimeError: Inferior no longer exists.*"
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gdb_test "python print (inf_list\[1\].threads ())" \
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"RuntimeError: Inferior no longer exists.*"
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gdb_test "python print (inf_list\[1\].thread_from_thread_handle (1))" \
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"RuntimeError: Inferior no longer exists.*"
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}
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# Test gdb.selected_inferior()
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with_test_prefix "selected_inferior" {
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gdb_test "inferior 1" ".*" "switch to first inferior"
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gdb_test "py print (gdb.selected_inferior().num)" "1" "first inferior selected"
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gdb_test "add-inferior" "Added inferior 3 on connection .*" "create new inferior"
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gdb_test "inferior 3" ".*" "switch to third inferior"
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gdb_test "py print (gdb.selected_inferior().num)" "3" "third inferior selected"
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gdb_test "inferior 1" ".*" "switch back to first inferior"
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gdb_test_no_output "remove-inferiors 3" "remove second inferior"
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}
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# Test repr()/str()
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with_test_prefix "__repr__" {
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gdb_test "add-inferior" "Added inferior 4 on connection .*" "add inferior 4"
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gdb_py_test_silent_cmd "python infs = gdb.inferiors()" "get inferior list" 1
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gdb_test "python print (infs\[0\])" "<gdb.Inferior num=1, pid=$decimal>"
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gdb_test "python print (infs)" \
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"\\\(<gdb.Inferior num=1, pid=$decimal>, <gdb.Inferior num=4, pid=$decimal>\\\)" \
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"print all inferiors 1"
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gdb_test_no_output "remove-inferiors 4"
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gdb_test "python print (infs)" \
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"\\\(<gdb.Inferior num=1, pid=$decimal>, <gdb.Inferior \\\(invalid\\\)>\\\)" \
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"print all inferiors 2"
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}
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# Test architecture.
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with_test_prefix "architecture" {
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gdb_test "inferior 1" ".*" "switch to first inferior"
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gdb_test "python print(gdb.selected_frame().architecture() is gdb.selected_inferior().architecture())" \
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"True" \
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"inferior architecture matches frame architecture"
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}
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