-# 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
# 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} ${binfile} executable {debug}] != "" } {
return -1
}
# Skip all tests if Python scripting is not enabled.
if { [skip_python_tests] } { continue }
-gdb_test_multiple "show endian" "getting target endian" {
- -re ".*little endian.*$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" "\\(<gdb.Inferior object at 0x\[\[:xdigit:\]\]+>,\\)" "verify inferiors list"
+gdb_test "python print (inferiors)" \
+ "\\(<gdb.Inferior num=1, pid=$decimal>,\\)" "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 ()" "\\(<gdb.InferiorThread object at 0x\[\[:xdigit:\]\]+>,\\)" "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 ())" "\\(<gdb.InferiorThread object at 0x\[\[:xdigit:\]\]+>,\\)" "test Inferior.threads"
+
+gdb_test "python print (i0.progspace)" "<gdb.Progspace object at $hex>"
+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.
# 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.Inferior num=1, pid=$decimal>"
+ gdb_test "python print (infs)" \
+ "\\\(<gdb.Inferior num=1, pid=$decimal>, <gdb.Inferior num=4, pid=$decimal>\\\)" \
+ "print all inferiors 1"
+ gdb_test_no_output "remove-inferiors 4"
+ gdb_test "python print (infs)" \
+ "\\\(<gdb.Inferior num=1, pid=$decimal>, <gdb.Inferior \\\(invalid\\\)>\\\)" \
+ "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"
}