X-Git-Url: http://git.efficios.com/?a=blobdiff_plain;f=gdb%2Ftestsuite%2Fgdb.python%2Fpy-inferior.exp;h=997da196bc62b5385b5ac464e4b3e6e8370cbb2a;hb=121b3efd49f98e4049281b3ba7a258e650e40b38;hp=2e9c5e0f5e1ab3a3cd731c3c66a38bbac2dca7b8;hpb=7b6bb8daaceb9ecf3f42dea57ae82733d6a3b2f6;p=deliverable%2Fbinutils-gdb.git diff --git a/gdb/testsuite/gdb.python/py-inferior.exp b/gdb/testsuite/gdb.python/py-inferior.exp index 2e9c5e0f5e..997da196bc 100644 --- a/gdb/testsuite/gdb.python/py-inferior.exp +++ b/gdb/testsuite/gdb.python/py-inferior.exp @@ -1,4 +1,4 @@ -# Copyright (C) 2009, 2010, 2011 Free Software Foundation, Inc. +# Copyright (C) 2009-2020 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 @@ -16,15 +16,11 @@ # This file is part of the GDB testsuite. It tests the mechanism # exposing inferiors to Python. -if $tracelevel then { - strace $tracelevel -} - load_lib gdb-python.exp -set testfile "py-inferior" -set srcfile ${testfile}.c -if { [prepare_for_testing ${testfile}.exp ${testfile} ${srcfile}] } { +standard_testfile + +if { [gdb_compile_pthreads ${srcdir}/${subdir}/${srcfile} ${binfile} executable {debug}] != "" } { return -1 } @@ -34,48 +30,60 @@ clean_restart ${testfile} # Skip all tests if Python scripting is not enabled. if { [skip_python_tests] } { continue } -gdb_test_multiple "show endian" "getting target endian" { - -re ".*little endian.*$gdb_prompt $" { - set python_pack_char "<" - # pass silently - } - -re ".*big endian.*$gdb_prompt $" { - set python_pack_char ">" - # pass silently - } +switch [get_endianness] { + little { set python_pack_char "<" } + big { set python_pack_char ">" } } # The following tests require execution. if ![runto_main] then { - fail "Can't run to main" + fail "can't run to main" return 0 } -runto [gdb_get_line_number "Break here."] - # Test basic gdb.Inferior attributes and methods. gdb_py_test_silent_cmd "python inferiors = gdb.inferiors ()" "get inferiors list" 1 -gdb_test "python print inferiors" "\\(,\\)" "verify inferiors list" +gdb_test "python print (inferiors)" \ + "\\(,\\)" "verify inferiors list" gdb_py_test_silent_cmd "python i0 = inferiors\[0\]" "get first inferior" 0 -gdb_test "python print 'result =', i0 == inferiors\[0\]" " = True" "test equality comparison (true)" -gdb_test "python print 'result =', i0.num" " = \[0-9\]+" "test Inferior.num" -gdb_test "python print 'result =', i0.pid" " = \[0-9\]+" "test Inferior.pid" -gdb_test "python print 'result =', i0.was_attached" " = False" "test Inferior.was_attached" -gdb_test "python print i0.threads ()" "\\(,\\)" "test Inferior.threads" +gdb_test "python print ('result = %s' % (i0 == inferiors\[0\]))" " = True" "test equality comparison (true)" +gdb_test "python print ('result = %s' % i0.num)" " = \[0-9\]+" "test Inferior.num" +gdb_test "python print ('result = %s' % i0.pid)" " = \[0-9\]+" "test Inferior.pid" +gdb_test "python print ('result = %s' % i0.was_attached)" " = False" "test Inferior.was_attached" +gdb_test "python print (i0.threads ())" "\\(,\\)" "test Inferior.threads" + +gdb_test "python print (i0.progspace)" "" +gdb_test "python print (i0.progspace == gdb.progspaces()\[0\])" "True" + +# Test the number of inferior threads. + +gdb_breakpoint check_threads +gdb_continue_to_breakpoint "cont to check_threads" ".*pthread_barrier_wait.*" +gdb_test "python print (len (i0.threads ()))" "\r\n9" "test Inferior.threads 2" + +# Proceed to the next test. + +gdb_breakpoint [gdb_get_line_number "Break here."] +gdb_continue_to_breakpoint "cont to Break here." ".*Break here\..*" # Test memory read and write operations. gdb_py_test_silent_cmd "python addr = gdb.selected_frame ().read_var ('str')" \ "read str address" 0 -gdb_py_test_silent_cmd "python str = gdb.inferiors()\[0\].read_memory (addr, 5)" \ +gdb_py_test_silent_cmd "python str = gdb.inferiors()\[0\].read_memory (addr, 5); print(str)" \ "read str contents" 1 -gdb_py_test_silent_cmd "python str\[1\] = 'a'" "change str" 0 +if { $gdb_py_is_py3k == 0 } { + gdb_py_test_silent_cmd "python a = 'a'" "" 0 +} else { + gdb_py_test_silent_cmd "python a = bytes('a', 'ascii')" "" 0 +} +gdb_py_test_silent_cmd "python str\[1\] = a" "change str" 0 gdb_py_test_silent_cmd "python gdb.inferiors()\[0\].write_memory (addr, str)" \ "write str" 1 -gdb_test "print str" " = 0x\[\[:xdigit:\]\]+ \"hallo, testsuite\"" \ +gdb_test "print (str)" " = \"hallo, testsuite\"" \ "ensure str was changed in the inferior" # Test memory search. @@ -89,105 +97,213 @@ set one_pattern_found "${newline}.${dec_number}" # Test string pattern. -gdb_test "set *(int32_t*) &int8_search_buf\[10\] = 0x61616161" "" "" -gdb_test "py search_buf = gdb.selected_frame ().read_var ('int8_search_buf')" "" "" -gdb_test "py start_addr = search_buf.address" "" "" -gdb_test "py length = search_buf.type.sizeof" "" "" - -gdb_test "py print gdb.inferiors()\[0\].search_memory (start_addr, length, 'aaa')" \ - "${one_pattern_found}" "find string pattern" +with_test_prefix "string" { + gdb_test "set *(int32_t*) &int8_search_buf\[10\] = 0x61616161" + gdb_test "py search_buf = gdb.selected_frame ().read_var ('int8_search_buf')" + gdb_test_no_output "py start_addr = search_buf.address" + gdb_test_no_output "py length = search_buf.type.sizeof" -# Test not finding pattern because search range too small, with -# potential find at the edge of the range. + gdb_test "py print (gdb.inferiors()\[0\].search_memory (start_addr, length, 'aaa'))" \ + "${one_pattern_found}" "find string pattern" -gdb_test "py print gdb.inferiors()\[0\].search_memory (start_addr, 10+3, 'aaaa')" \ - "${pattern_not_found}" "pattern not found at end of range" + # Test not finding pattern because search range too small, with + # potential find at the edge of the range. + gdb_test "py print (gdb.inferiors()\[0\].search_memory (start_addr, 10+3, 'aaaa'))" \ + "${pattern_not_found}" "pattern not found at end of range" -# Increase the search range by 1 and we should find the pattern. - -gdb_test "py print gdb.inferiors()\[0\].search_memory (start_addr, 10+3+1, 'aaa')" \ - "${one_pattern_found}" "pattern found at end of range" + # Increase the search range by 1 and we should find the pattern. + gdb_test "py print (gdb.inferiors()\[0\].search_memory (start_addr, 10+3+1, 'aaa'))" \ + "${one_pattern_found}" "pattern found at end of range" +} # Import struct to pack the following patterns. -gdb_test "py from struct import *" "" "" +gdb_test_no_output "py from struct import *" # Test 16-bit pattern. -gdb_test "set int16_search_buf\[10\] = 0x1234" "" "" -gdb_test "py search_buf = gdb.selected_frame ().read_var ('int16_search_buf')" "" "" -gdb_test "py start_addr = search_buf.address" "" "" -gdb_test "py length = search_buf.type.sizeof" "" "" -gdb_test "py pattern = pack('${python_pack_char}H',0x1234)" "" \ - -gdb_test "py print gdb.inferiors()\[0\].search_memory (start_addr, length, pattern)" \ - "${one_pattern_found}" "find 16-bit pattern, with value pattern" +with_test_prefix "16-bit" { + gdb_test_no_output "set int16_search_buf\[10\] = 0x1234" + gdb_test_no_output "py search_buf = gdb.selected_frame ().read_var ('int16_search_buf')" + gdb_test_no_output "py start_addr = search_buf.address" + gdb_test_no_output "py length = search_buf.type.sizeof" + gdb_test_no_output "py pattern = pack('${python_pack_char}H',0x1234)" + gdb_test "py print (gdb.inferiors()\[0\].search_memory (start_addr, length, pattern))" \ + "${one_pattern_found}" "find 16-bit pattern, with value pattern" +} # Test 32-bit pattern. -gdb_test "set int32_search_buf\[10\] = 0x12345678" "" "" -gdb_test "py search_buf = gdb.selected_frame ().read_var ('int32_search_buf')" "" "" -gdb_test "py start_addr = search_buf.address" "" "" -gdb_test "py length = search_buf.type.sizeof" "" "" -gdb_test "py pattern = pack('${python_pack_char}I',0x12345678)" "" \ - -gdb_test "py print gdb.inferiors()\[0\].search_memory (start_addr, length, pattern)" \ - "${one_pattern_found}" "find 32-bit pattern, with python pattern" +with_test_prefix "32-bit" { + gdb_test_no_output "set int32_search_buf\[10\] = 0x12345678" + gdb_test_no_output "py search_buf = gdb.selected_frame ().read_var ('int32_search_buf')" + gdb_test_no_output "py start_addr = search_buf.address" + gdb_test_no_output "py length = search_buf.type.sizeof" + gdb_test_no_output "py pattern = pack('${python_pack_char}I',0x12345678)" + gdb_test "py print (gdb.inferiors()\[0\].search_memory (start_addr, length, pattern))" \ + "${one_pattern_found}" "find 32-bit pattern, with python pattern" +} # Test 64-bit pattern. -gdb_test "set int64_search_buf\[10\] = 0xfedcba9876543210LL" "" "" -gdb_test "py search_buf = gdb.selected_frame ().read_var ('int64_search_buf')" "" "" -gdb_test "py start_addr = search_buf.address" "" "" -gdb_test "py length = search_buf.type.sizeof" "" "" -gdb_test "py pattern = pack('${python_pack_char}Q', 0xfedcba9876543210)" "" "" - -gdb_test "py print gdb.inferiors()\[0\].search_memory (start_addr, length, pattern)" \ - "${one_pattern_found}" "find 64-bit pattern, with value pattern" +with_test_prefix "64-bit" { + gdb_test_no_output "set int64_search_buf\[10\] = 0xfedcba9876543210LL" + gdb_test_no_output "py search_buf = gdb.selected_frame ().read_var ('int64_search_buf')" + gdb_test_no_output "py start_addr = search_buf.address" + gdb_test_no_output "py length = search_buf.type.sizeof" + gdb_test_no_output "py pattern = pack('${python_pack_char}Q', 0xfedcba9876543210)" + gdb_test "py print (gdb.inferiors()\[0\].search_memory (start_addr, length, pattern))" \ + "${one_pattern_found}" "find 64-bit pattern, with value pattern" +} # Test mixed-sized patterns. -gdb_test "set *(int8_t*) &search_buf\[10\] = 0x62" "" "" -gdb_test "set *(int16_t*) &search_buf\[11\] = 0x6363" "" "" -gdb_test "set *(int32_t*) &search_buf\[13\] = 0x64646464" "" "" -gdb_test "py search_buf = gdb.selected_frame ().read_var ('search_buf')" "" "" -gdb_test "py start_addr = search_buf\[0\].address" "" "" -gdb_test "py pattern1 = pack('B', 0x62)" "" "" -gdb_test "py pattern2 = pack('${python_pack_char}H', 0x6363)" "" "" -gdb_test "py pattern3 = pack('${python_pack_char}I', 0x64646464)" "" "" - -gdb_test "py print gdb.inferiors()\[0\].search_memory (start_addr, 100, pattern1)" \ - "${one_pattern_found}" "find mixed-sized pattern" -gdb_test "py print gdb.inferiors()\[0\].search_memory (start_addr, 100, pattern2)" \ - "${one_pattern_found}" "find mixed-sized pattern" -gdb_test "py print gdb.inferiors()\[0\].search_memory (start_addr, 100, pattern3)" \ - "${one_pattern_found}" "find mixed-sized pattern" +with_test_prefix "mixed-sized" { + gdb_test_no_output "set *(int8_t*) &search_buf\[10\] = 0x62" + gdb_test_no_output "set *(int16_t*) &search_buf\[11\] = 0x6363" + gdb_test_no_output "set *(int32_t*) &search_buf\[13\] = 0x64646464" + gdb_test_no_output "py search_buf = gdb.selected_frame ().read_var ('search_buf')" + gdb_test_no_output "py start_addr = search_buf\[0\].address" + gdb_test_no_output "py pattern1 = pack('B', 0x62)" + gdb_test_no_output "py pattern2 = pack('${python_pack_char}H', 0x6363)" + gdb_test_no_output "py pattern3 = pack('${python_pack_char}I', 0x64646464)" + + gdb_test "py print (gdb.inferiors()\[0\].search_memory (start_addr, 100, pattern1))" \ + "${one_pattern_found}" "find mixed-sized pattern 1" + gdb_test "py print (gdb.inferiors()\[0\].search_memory (start_addr, 100, pattern2))" \ + "${one_pattern_found}" "find mixed-sized pattern 2" + gdb_test "py print (gdb.inferiors()\[0\].search_memory (start_addr, 100, pattern3))" \ + "${one_pattern_found}" "find mixed-sized pattern 3" +} # Test search spanning a large range, in the particular case of native # targets, test the search spanning multiple chunks. # Remote targets may implement the search differently. -set CHUNK_SIZE 16000 ; - -gdb_test "set *(int32_t*) &search_buf\[0*${CHUNK_SIZE}+100\] = 0x12345678" "" "" -gdb_test "set *(int32_t*) &search_buf\[1*${CHUNK_SIZE}+100\] = 0x12345678" "" "" -gdb_test "py start_addr = gdb.selected_frame ().read_var ('search_buf')" "" "" -gdb_test "py length = gdb.selected_frame ().read_var ('search_buf_size')" "" "" -gdb_test "py pattern = pack('${python_pack_char}I', 0x12345678)" "" "" -gdb_test "py first = gdb.inferiors()\[0\].search_memory (start_addr,length, pattern)" "" "" -gdb_test "py print first" "${one_pattern_found}" "search spanning large range 1st result" -gdb_test "py start_addr = first + 1" -gdb_test "py second = gdb.inferiors()\[0\].search_memory (start_addr, length, pattern)" "" "" -gdb_test "py print second" "${one_pattern_found}" "search spanning large range 2nd result" -gdb_test "py start_addr = second + 1" -gdb_test "py third = gdb.inferiors()\[0\].search_memory (start_addr, length, pattern)" "" "" -gdb_test "py print third" "${pattern_not_found}" "search spanning large range 3rd result" +set CHUNK_SIZE 16000 +with_test_prefix "large range" { + gdb_test_no_output "set *(int32_t*) &search_buf\[0*${CHUNK_SIZE}+100\] = 0x12345678" + gdb_test_no_output "set *(int32_t*) &search_buf\[1*${CHUNK_SIZE}+100\] = 0x12345678" + gdb_test_no_output "py start_addr = gdb.selected_frame ().read_var ('search_buf')" + gdb_test_no_output "py end_addr = start_addr + gdb.selected_frame ().read_var ('search_buf_size')" + gdb_test_no_output "py pattern = pack('${python_pack_char}I', 0x12345678)" + + gdb_test_no_output "py first = gdb.inferiors()\[0\].search_memory (start_addr,end_addr - start_addr, pattern)" + gdb_test "py print (first)" "${one_pattern_found}" "search spanning large range 1st result" + gdb_test_no_output "py start_addr = first + 1" + gdb_test_no_output "py second = gdb.inferiors()\[0\].search_memory (start_addr, end_addr - start_addr, pattern)" + gdb_test "py print (second)" "${one_pattern_found}" "search spanning large range 2nd result" + gdb_test_no_output "py start_addr = second + 1" + gdb_test_no_output "py third = gdb.inferiors()\[0\].search_memory (start_addr, end_addr - start_addr, pattern)" + gdb_test "py print (third)" "${pattern_not_found}" "search spanning large range 3rd result" +} # For native targets, test a pattern straddling a chunk boundary. if [isnative] { - gdb_test "set *(int32_t*) &search_buf\[${CHUNK_SIZE}-1\] = 0xfdb97531" "" "" - gdb_test "py pattern = pack('${python_pack_char}I', 0xfdb97531)" "" "" - gdb_test "py start_addr = gdb.selected_frame ().read_var ('search_buf')" "" "" - gdb_test "py print gdb.inferiors()\[0\].search_memory (start_addr, length, pattern)" \ - "${one_pattern_found}" "find pattern straddling chunk boundary" + with_test_prefix "straddling" { + gdb_test_no_output "set *(int32_t*) &search_buf\[${CHUNK_SIZE}-1\] = 0xfdb97531" + gdb_test_no_output "py pattern = pack('${python_pack_char}I', 0xfdb97531)" + gdb_test_no_output "py start_addr = gdb.selected_frame ().read_var ('search_buf')" + gdb_test "py print (gdb.inferiors()\[0\].search_memory (start_addr, end_addr - start_addr, pattern))" \ + "${one_pattern_found}" "find pattern straddling chunk boundary" + } +} + +# Test Inferior is_valid. This must always be the last test in +# this testcase as it kills the inferior. + +with_test_prefix "is_valid" { + gdb_py_test_silent_cmd "python inf_list = gdb.inferiors()" "get initial list" 1 + gdb_test "python print (len(inf_list))" "1" "get inferior list length 1" + gdb_test "python print (inf_list\[0\].is_valid())" "True" \ + "check inferior validity 1" + + gdb_py_test_multiple "install new inferior event handler" \ + "python" "" \ + "my_inferior_count = 1" "" \ + "def new_inf_handler(evt):" "" \ + " global my_inferior_count" "" \ + " if evt.inferior is not None:" "" \ + " my_inferior_count = my_inferior_count + 1" "" \ + "gdb.events.new_inferior.connect(new_inf_handler)" "" \ + "end" "" + gdb_py_test_multiple "install inferior deleted event handler" \ + "python" "" \ + "def del_inf_handler(evt):" "" \ + " global my_inferior_count" "" \ + " if evt.inferior is not None:" "" \ + " my_inferior_count = my_inferior_count - 1" "" \ + "gdb.events.inferior_deleted.connect(del_inf_handler)" "" \ + "end" "" + + gdb_test "add-inferior" "Added inferior 2.*" "add empty inferior 2" + gdb_py_test_silent_cmd "python inf_list = gdb.inferiors()" "get new list" 1 + gdb_test "python print (len(inf_list))" "2" "get inferior list length 2" + gdb_test "python print (inf_list\[0\].is_valid())" "True" \ + "check inferior validity 2" + + gdb_test "python print (my_inferior_count)" "2" \ + "test new-inferior event handler" + + gdb_test "python print (inf_list\[1\].is_valid())" "True" \ + "check inferior validity 3" + + gdb_test_no_output "remove-inferiors 2" "remove-inferiors 3" + gdb_test "python print (inf_list\[0\].is_valid())" "True" \ + "check inferior validity 4" + + gdb_test "python print (inf_list\[1\].is_valid())" "False" \ + "check inferior validity 5" + + gdb_test "python print (my_inferior_count)" "1" \ + "test inferior-deleted event handler" + + # Test that other properties and methods handle the removed inferior + # correctly. + gdb_test "python print (inf_list\[1\].num)" \ + "RuntimeError: Inferior no longer exists.*" + gdb_test "python print (inf_list\[1\].pid)" \ + "RuntimeError: Inferior no longer exists.*" + gdb_test "python print (inf_list\[1\].was_attached)" \ + "RuntimeError: Inferior no longer exists.*" + gdb_test "python print (inf_list\[1\].progspace)" \ + "RuntimeError: Inferior no longer exists.*" + gdb_test "python print (inf_list\[1\].threads ())" \ + "RuntimeError: Inferior no longer exists.*" + gdb_test "python print (inf_list\[1\].thread_from_thread_handle (1))" \ + "RuntimeError: Inferior no longer exists.*" +} + +# Test gdb.selected_inferior() +with_test_prefix "selected_inferior" { + gdb_test "inferior 1" ".*" "switch to first inferior" + gdb_test "py print (gdb.selected_inferior().num)" "1" "first inferior selected" + + gdb_test "add-inferior" "Added inferior 3 on connection .*" "create new inferior" + gdb_test "inferior 3" ".*" "switch to third inferior" + gdb_test "py print (gdb.selected_inferior().num)" "3" "third inferior selected" + gdb_test "inferior 1" ".*" "switch back to first inferior" + gdb_test_no_output "remove-inferiors 3" "remove second inferior" +} + +# Test repr()/str() +with_test_prefix "__repr__" { + gdb_test "add-inferior" "Added inferior 4 on connection .*" "add inferior 4" + gdb_py_test_silent_cmd "python infs = gdb.inferiors()" "get inferior list" 1 + gdb_test "python print (infs\[0\])" "" + gdb_test "python print (infs)" \ + "\\\(, \\\)" \ + "print all inferiors 1" + gdb_test_no_output "remove-inferiors 4" + gdb_test "python print (infs)" \ + "\\\(, \\\)" \ + "print all inferiors 2" +} + +# Test architecture. +with_test_prefix "architecture" { + gdb_test "inferior 1" ".*" "switch to first inferior" + gdb_test "python print(gdb.selected_frame().architecture() is gdb.selected_inferior().architecture())" \ + "True" \ + "inferior architecture matches frame architecture" }