mirror of
https://sourceware.org/git/binutils-gdb.git
synced 2024-12-27 04:52:05 +08:00
d19ca0b35c
PR python/27000 points out that gdb.block_for_pc will accept a Python integer, but not a gdb.Value. This patch corrects this oversight. I looked at all uses of GDB_PY_LLU_ARG and fixed these up to use get_addr_from_python instead. I also looked at uses of GDB_PY_LL_ARG, but those seemed relatively unlikely to be useful with a gdb.Value, so I didn't change them. My thinking here is that a Value will typically come from inferior memory, and something like a line number is not too likely to be found this way. Bug: https://sourceware.org/bugzilla/show_bug.cgi?id=27000
567 lines
19 KiB
Plaintext
567 lines
19 KiB
Plaintext
# Copyright (C) 2008-2022 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 values to Python.
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load_lib gdb-python.exp
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standard_testfile python.c python-1.c
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if {[build_executable $testfile.exp $testfile \
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[list $srcfile $srcfile2] debug] == -1} {
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return -1
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}
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# Start with a fresh gdb.
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gdb_exit
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gdb_start
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gdb_reinitialize_dir $srcdir/$subdir
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set remote_source2_py [gdb_remote_download host \
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${srcdir}/${subdir}/source2.py]
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# Do this instead of the skip_python_check.
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# We want to do some tests when Python is not present.
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gdb_test_multiple "python print (23)" "verify python support" {
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-re "not supported.*$gdb_prompt $" {
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unsupported "python support is disabled"
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# If Python is not supported, verify that sourcing a python script
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# causes an error.
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gdb_test "source $remote_source2_py" \
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"Error in sourced command file:.*" \
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"source source2.py when python disabled"
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# Verify multi-line python commands cause an error.
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gdb_test_multiline "multi-line python command" \
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"python" "" \
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"print (23)" "" \
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"end" "not supported.*"
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return -1
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}
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-re "$gdb_prompt $" {}
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}
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gdb_test_multiline "multi-line python command" \
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"python" "" \
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"print (23)" "" \
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"end" "23"
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# Spawn interactive Python help from a multi-line command, thus, after
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# a secondary prompt.
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with_test_prefix "python interactive help" {
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set test "python; help(); end"
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gdb_test_multiple "python\nhelp()\nend" $test {
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-re ".*help utility.*help> $" {
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pass $test
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# The "quit" must be seen on the output. A buggy GDB
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# would not display it.
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gdb_test "quit" "^quit.*leaving help.*" "quit help"
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}
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}
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}
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gdb_test_multiline "show python command" \
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"define zzq" "Type commands for definition of .* just \"end\"\\.*" \
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"python" "" \
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"print (23)" "" \
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"end" "" \
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"end" "" \
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"show user zzq" "User command \"zzq\":.* python.*print \\(23\\).* end"
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gdb_test_multiline "indented multi-line python command" \
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"python" "" \
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"def foo ():" "" \
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" print ('hello, world!')" "" \
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"foo ()" "" \
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"end" "hello, world!"
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gdb_test "source $remote_source2_py" "yes" "source source2.py"
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gdb_test "source -s source2.py" "yes"
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set remote_source2_symlink_notpy \
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[gdb_remote_download host ${srcdir}/${subdir}/source2.py \
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[standard_output_file "source2-symlink.notpy"]]
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set remote_source2_symlink_py [standard_output_file "source2-symlink.py"]
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remote_file host delete $remote_source2_symlink_py
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set status [remote_exec host "ln -sf $remote_source2_symlink_notpy $remote_source2_symlink_py"]
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set test "source -s source2-symlink.py"
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if {[lindex $status 0] == 0} {
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gdb_test "source -s $remote_source2_symlink_py" "yes" $test
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} else {
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unsupported "$test (host does not support symbolic links)"
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}
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gdb_test "python print (gdb.current_objfile())" "None"
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gdb_test "python print (gdb.objfiles())" "\\\[\\\]"
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# Test http://bugs.python.org/issue4434 workaround in configure.ac
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gdb_test "python import itertools; print ('IMPOR'+'TED')" "IMPORTED" "pythonX.Y/lib-dynload/*.so"
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gdb_test_no_output \
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"python x = gdb.execute('printf \"%d\", 23', to_string = True)"
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gdb_test "python print (x)" "23"
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gdb_test "python gdb.execute('echo 2\\necho 3\\\\n\\n')" "23" \
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"multi-line execute"
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gdb_test " " "23" "gdb.execute does not affect repeat history"
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# Test post_event.
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gdb_test_multiline "post event insertion" \
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"python" "" \
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"someVal = 0" "" \
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"class Foo(object):" "" \
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" def __call__(self):" "" \
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" global someVal" "" \
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" someVal += 1" "" \
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"gdb.post_event(Foo())" "" \
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"end" ""
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gdb_test "python print (someVal)" "1" "test post event execution"
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gdb_test "python gdb.post_event(str(1))" "RuntimeError: Posted event is not callable.*" \
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"test non callable class"
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send_gdb "python gdb.post_event(lambda: invalid())\n"
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gdb_expect {
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-re "name 'invalid' is not defined" {
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pass "test post_event error on receipt"
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}
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default {
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fail "test post_event error on receipt"
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}
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}
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# Test (no) pagination of the executed command.
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gdb_test "show height" {Number of lines gdb thinks are in a page is unlimited\.}
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set lines 10
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gdb_test_no_output "set height $lines"
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set test "verify pagination beforehand"
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gdb_test_multiple "python print (\"\\n\" * $lines)" $test {
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-re "--Type <RET>" {
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exp_continue
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}
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-re " for more, q to quit" {
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exp_continue
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}
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-re ", c to continue without paging--$" {
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pass $test
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}
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}
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gdb_test "q" "Quit.*Error while executing Python.*" "verify pagination beforehand: q"
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gdb_test "python if gdb.execute('python print (\"\\\\n\" * $lines)', to_string=True) == \"\\n\" * [expr $lines + 1]: print (\"yes\")" "yes" "gdb.execute does not page"
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set test "verify pagination afterwards"
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gdb_test_multiple "python print (\"\\n\" * $lines)" $test {
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-re "--Type <RET>" {
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exp_continue
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}
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-re " for more, q to quit" {
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exp_continue
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}
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-re ", c to continue without paging--$" {
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pass $test
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}
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}
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gdb_test "q" "Quit.*Error while executing Python.*" "verify pagination afterwards: q"
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gdb_test_no_output "set height 0"
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gdb_test_no_output "python a = gdb.execute('help', to_string=True)" "collect help from uiout"
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gdb_test "python print (a)" ".*aliases -- User-defined aliases of other commands.*" "verify help to uiout"
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# Test PR 12212, using InfThread.selected_thread() when no inferior is
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# loaded.
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gdb_py_test_silent_cmd "python nothread = gdb.selected_thread()" "Attempt to aquire thread with no inferior" 1
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gdb_test "python print (nothread is None)" "True" "ensure that no threads are returned"
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gdb_test_multiline "register atexit function" \
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"python" "" \
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"import atexit" "" \
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"def printit(arg):" "" \
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" print (arg)" "" \
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"atexit.register(printit, 'good bye world')" "" \
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"end" ""
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send_gdb "quit\n"
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gdb_expect {
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-re "good bye world" {
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pass "atexit handling"
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}
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default {
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fail "atexit handling"
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}
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}
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# Start with a fresh gdb.
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clean_restart ${testfile}
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# The following tests require execution.
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if ![runto_main] then {
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return 0
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}
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set lineno [gdb_get_line_number "Break to end."]
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runto $lineno
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# Test gdb.decode_line.
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gdb_test "python gdb.decode_line(\"main.c:43\")" \
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"gdb.error: No source file named main.c.*" "test decode_line no source named main"
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with_test_prefix "test decode_line current location" {
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gdb_py_test_silent_cmd "python symtab = gdb.decode_line()" "decode current line" 1
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gdb_test "python print (len(symtab))" "2" "length of result"
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gdb_test "python print (symtab\[0\])" "None" "no unparsed text"
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gdb_test "python print (len(symtab\[1\]))" "1" "length of result locations"
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}
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# Test that decode_line with an empty string argument does not crash.
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gdb_py_test_silent_cmd "python symtab2 = gdb.decode_line('')" \
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"test decode_line with empty string" 1
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if { [is_remote host] } {
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set python_c [string_to_regexp "python.c"]
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} else {
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set python_c [string_to_regexp "gdb.python/python.c"]
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}
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with_test_prefix "test decode_line" {
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gdb_test "python print (symtab\[1\]\[0\].symtab)" ".*${python_c}" "current location filename"
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gdb_test "python print (symtab\[1\]\[0\].line)" "$lineno" "current location line number"
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gdb_py_test_silent_cmd "python symtab = gdb.decode_line(\"python.c:26 if foo\")" "python.c:26 decode" 1
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gdb_test "python print (len(symtab))" "2" "python.c:26 length 2"
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gdb_test "python print (symtab\[0\])" "if foo" "expression parse"
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gdb_test "python print (len(symtab\[1\]))" "1" "python.c:26 length 1"
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gdb_test "python print (symtab\[1\]\[0\].symtab)" ".*${python_c}" "python.c:26 filename"
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gdb_test "python print (symtab\[1\]\[0\].line)" "26" "python.c:26 line number"
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gdb_test "python gdb.decode_line(\"randomfunc\")" \
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"gdb.error: Function \"randomfunc\" not defined.*" "randomfunc"
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gdb_py_test_silent_cmd "python symtab = gdb.decode_line(\"func1\")" "func1()" 1
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gdb_test "python print (len(symtab))" "2" "func1 length 2"
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gdb_test "python print (len(symtab\[1\]))" "1" "func1 length 1"
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}
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if { [is_remote host] } {
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set python_1_c [string_to_regexp "python-1.c"]
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} else {
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set python_1_c [string_to_regexp "gdb.python/python-1.c"]
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}
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gdb_test "python print (symtab\[1\]\[0\].symtab)" ".*${python_1_c}" "test decode_line func1 filename"
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# Set a default value for func1_lineno in case we fail to fetch the line number
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# below.
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set func1_lineno "noline"
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# Fetch the line GDB thinks func1 starts at. This may change depending
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# on the architecture and on how GDB handles the prologue of the function.
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gdb_test_multiple "info line func1" "info line func1" {
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-re "Line ($decimal) of .* starts at address $hex <func1> and ends at $hex <func1\\+$decimal>\.\[\r\n\]+$gdb_prompt $" {
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# Fetch the line number.
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set func1_lineno $expect_out(1,string)
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}
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}
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gdb_test "python print (symtab\[1\]\[0\].line)" "$func1_lineno" "test decode_line func1 line number"
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gdb_py_test_silent_cmd {python symtab = gdb.decode_line ("func1,func2")} \
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"test decode_line func1,func2" 1
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gdb_test {python print (symtab[0])} ",func2" "stop at comma in linespec"
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with_test_prefix "test decode_line" {
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gdb_py_test_silent_cmd "python symtab = gdb.decode_line(\"*0\")" "*0" 1
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gdb_test "python print (len(symtab))" "2" "*0 result length"
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gdb_test "python print (symtab\[0\])" "None" "*0 unparsed"
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gdb_test "python print (len(symtab\[1\]))" "1" "*0 locations length"
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gdb_test "python print (symtab\[1\]\[0\].symtab)" "None" "*0 filename"
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gdb_test "python print (symtab\[1\]\[0\].pc)" "0" "*0 pc"
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}
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# gdb.write
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gdb_test "python print (sys.stderr)" ".*gdb._GdbOutputErrorFile (instance|object) at.*" "test stderr location"
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gdb_test "python print (sys.stdout)" ".*gdb._GdbOutputFile (instance|object) at.*" "test stdout location"
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gdb_test "python gdb.write(\"Foo\\n\")" "Foo" "test default write"
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gdb_test "python gdb.write(\"Error stream\\n\", stream=gdb.STDERR)" "Error stream" "test stderr write"
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gdb_test "python gdb.write(\"Normal stream\\n\", stream=gdb.STDOUT)" "Normal stream" "test stdout write"
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if ![gdb_debug_enabled] {
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gdb_test "python gdb.write(\"Log stream\\n\", stream=gdb.STDLOG)" "Log stream" "test stdlog write"
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}
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# Turn on full stack printing for subsequent tests.
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gdb_py_test_silent_cmd "set python print-stack full" \
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"Set print-stack full for prompt tests" 1
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# Test prompt substituion
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gdb_test_multiline "prompt substitution" \
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"python" "" \
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"someCounter = 0" "" \
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"def prompt(current):" "" \
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" global someCounter" "" \
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" if (current == \"testfake \"):" "" \
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" return None" "" \
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" someCounter = someCounter + 1" "" \
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" return \"py prompt \" + str (someCounter) + \" \"" "" \
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"end" ""
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gdb_test_multiline "prompt substitution readline" \
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"python" "" \
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"pCounter = 0" "" \
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"def program_prompt(current):" "" \
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" global pCounter" "" \
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" if (current == \">\"):" "" \
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" pCounter = pCounter + 1" "" \
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" return \"python line \" + str (pCounter) + \": \"" "" \
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" return None" "" \
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"end" ""
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set newprompt "py prompt 1"
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set newprompt2 "py prompt 2"
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set testfake "testfake"
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gdb_test_multiple "python gdb.prompt_hook = prompt" "set the hook = prompt" {
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-re "\[\r\n\]$newprompt $" {
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pass $gdb_test_name
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}
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}
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gdb_test_multiple "set prompt testfake " "set testfake prompt in GDB" {
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-re "\[\r\n\]$testfake $" {
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pass $gdb_test_name
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}
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}
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gdb_test_multiple "show prompt" "show testfake prompt" {
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-re "Gdb's prompt is \"$testfake \"..* $" {
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pass $gdb_test_name
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}
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}
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gdb_test_multiple "set prompt blah " "set blah in GDB" {
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-re "\[\r\n\]$newprompt2 $" {
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pass $gdb_test_name
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}
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}
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gdb_test_multiple "python gdb.prompt_hook = None" "delete hook" {
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-re "\[\r\n\]$newprompt2 $" {
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pass $gdb_test_name
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}
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}
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gdb_test_multiple "set prompt $gdb_prompt " "set default prompt" {
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-re "\[\r\n\]$gdb_prompt $" {
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pass $gdb_test_name
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}
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}
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set working_dir ""
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gdb_test_multiple "pwd" "pwd" {
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-re "Working directory (.*)\\.\[\r\n\]+$gdb_prompt $" {
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set working_dir $expect_out(1,string)
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}
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}
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gdb_test_multiple "python gdb.prompt_hook = program_prompt" "set the programming hook" {
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-re "\[\r\n\]$gdb_prompt $" {
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pass $gdb_test_name
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}
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}
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gdb_test_multiple "python" "test we ignore substitution for seconday prompts" {
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-re "\r\n>$" {
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pass $gdb_test_name
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}
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}
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gdb_test_multiple "end" "end programming" {
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-re "\[\r\n\]$gdb_prompt $" {
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pass $gdb_test_name
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}
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}
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gdb_test_multiline "prompt substitution readline import" \
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"python" "" \
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"import gdb.command.prompt" "" \
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"end" ""
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gdb_test_multiple "set extended-prompt one two three " \
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"set basic extended prompt" {
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-re "\[\r\n\]one two three $" {
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pass $gdb_test_name
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}
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}
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gdb_test_multiple "set extended-prompt \\w " \
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"set extended prompt working directory" {
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-re "\[\r\n\][string_to_regexp $working_dir] $" {
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pass $gdb_test_name
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}
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}
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gdb_test_multiple "set extended-prompt some param \\p{python print-stack} " \
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"set extended prompt parameter" {
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-re "\[\r\n\]some param full $" {
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pass $gdb_test_name
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}
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}
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# Start with a fresh gdb.
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clean_restart ${testfile}
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# The following tests require execution.
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if ![runto_main] then {
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return 0
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}
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# print-stack settings
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gdb_test "show python print-stack" \
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"The mode of Python stack printing on error is \"message\".*" \
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"Test print-stack show setting. Default is message."
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gdb_py_test_silent_cmd "set python print-stack full" \
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"Test print-stack set setting to full" 1
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gdb_test "show python print-stack" \
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"The mode of Python stack printing on error is \"full\".*" \
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"Test print-stack show setting to full"
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gdb_py_test_silent_cmd "set python print-stack none" \
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"Test print-stack set setting to none" 1
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|
gdb_test "show python print-stack" \
|
|
"The mode of Python stack printing on error is \"none\".*" \
|
|
"test print-stack show setting to none"
|
|
|
|
gdb_py_test_silent_cmd "set python print-stack message" \
|
|
"Test print-stack set setting to message" 1
|
|
|
|
gdb_test_multiline "prompt substitution readline error_prompt" \
|
|
"python" "" \
|
|
"pCounter = 0" "" \
|
|
"def error_prompt(current):" "" \
|
|
" raise RuntimeError(\"Python exception called\")" "" \
|
|
"end" ""
|
|
|
|
gdb_test_multiple "python gdb.prompt_hook = error_prompt" "set the hook error_prompt" {
|
|
-re "Python Exception (exceptions.RuntimeError|<(type 'exceptions.|class ')RuntimeError'>): Python exception called\r\n$gdb_prompt $" {
|
|
pass $gdb_test_name
|
|
}
|
|
}
|
|
|
|
gdb_py_test_silent_cmd "python gdb.prompt_hook = None" \
|
|
"set the hook to default 1" 1
|
|
|
|
gdb_py_test_silent_cmd "set python print-stack full" \
|
|
"set print-stack full for prompt error test" 1
|
|
|
|
gdb_test_multiple "python gdb.prompt_hook = error_prompt" "set the hook error_prompt traceback" {
|
|
-re "Traceback.*File.*line.*RuntimeError.*Python exception called.*$gdb_prompt $" {
|
|
pass $gdb_test_name
|
|
}
|
|
}
|
|
|
|
gdb_py_test_silent_cmd "python gdb.prompt_hook = None" \
|
|
"set the hook to default 2" 1
|
|
|
|
# Start with a fresh gdb.
|
|
clean_restart ${testfile}
|
|
|
|
# The following tests require execution.
|
|
|
|
if ![runto_main] then {
|
|
return 0
|
|
}
|
|
|
|
runto [gdb_get_line_number "Break at func2 call site."]
|
|
|
|
gdb_py_test_silent_cmd "python line = gdb.selected_frame().find_sal().line" "Get line number of func2 call site" 1
|
|
|
|
gdb_py_test_silent_cmd "python pc_call = gdb.selected_frame().pc()" \
|
|
"Get pc of func2 call site" 1
|
|
|
|
gdb_test "python print (gdb.find_pc_line(gdb.selected_frame().pc()).line == line)" "True" "test find_pc_line at func2 call site"
|
|
|
|
gdb_py_test_silent_cmd "step" "Step into func2" 1
|
|
gdb_py_test_silent_cmd "up" "Step out of func2" 1
|
|
|
|
# The point of the following test is to see if gdb has advanced past the
|
|
# location where the branch to a function was made.
|
|
set test_name "test find_pc_line with resume address"
|
|
|
|
gdb_py_test_silent_cmd "python pc_rtn = gdb.selected_frame().pc()" \
|
|
"Get pc at func2 return site" 1
|
|
|
|
gdb_test "python print (pc_rtn > pc_call)" "True" \
|
|
"test resume address greater then call address"
|
|
|
|
gdb_test "python print (gdb.find_pc_line(pc_rtn).line >= line)" "True" \
|
|
"test find_pc_line with resume address"
|
|
gdb_test "python print (gdb.find_pc_line(pc_rtn).line == gdb.find_pc_line(gdb.Value(pc_rtn)).line)" \
|
|
"True" \
|
|
"test find_pc_line using Value"
|
|
|
|
gdb_test_no_output "set variable \$cvar1 = 23" "set convenience variable"
|
|
gdb_test "python print(gdb.convenience_variable('cvar1'))" "23"
|
|
gdb_test "python print(gdb.convenience_variable('cvar2'))" "None"
|
|
gdb_test_no_output "python gdb.set_convenience_variable('cvar1', 89)" \
|
|
"change convenience variable from python"
|
|
gdb_test "python print(gdb.convenience_variable('cvar1'))" "89" \
|
|
"print new value of convenience variable from python"
|
|
gdb_test "print \$cvar1" " = 89" \
|
|
"print new value of convenience variable from CLI"
|
|
gdb_test_no_output "python gdb.set_convenience_variable('cvar3', -5)" \
|
|
"make convenience variable from python"
|
|
gdb_test "python print(gdb.convenience_variable('cvar3'))" "-5" \
|
|
"print value of new convenience variable from python"
|
|
gdb_test_no_output "python gdb.set_convenience_variable('cvar3', None)" \
|
|
"reset convenience variable from python"
|
|
gdb_test "python print(gdb.convenience_variable('cvar3'))" "None" \
|
|
"print reset convenience variable from python"
|
|
gdb_test "print \$cvar3" "= void" \
|
|
"print reset convenience variable from CLI"
|
|
|
|
# Test PR 23669, the following would invoke the "commands" command instead of
|
|
# "show commands".
|
|
gdb_test "python gdb.execute(\"show commands\")" "$decimal print \\\$cvar3.*"
|
|
|
|
# Check if starti command is supported.
|
|
if { [use_gdb_stub] == 0 } {
|
|
# Test that the from_tty argument to gdb.execute is effective. If
|
|
# False, the user is not prompted for decisions such as restarting the
|
|
# program, and "yes" is assumed. If True, the user is prompted.
|
|
# Case 1, from_tty=False.
|
|
gdb_test "python gdb.execute('starti', from_tty=False)" \
|
|
"Program stopped.*" \
|
|
"starti via gdb.execute, not from tty"
|
|
|
|
# Case 2, from_tty=True.
|
|
set test "starti via gdb.execute, from tty"
|
|
set question \
|
|
[multi_line \
|
|
{The program being debugged has been started already\.} \
|
|
{Start it from the beginning\? \(y or n\) $}]
|
|
gdb_test_multiple "python gdb.execute('starti', from_tty=True)" $test {
|
|
-re $question {
|
|
gdb_test "y" "Starting program:.*" $gdb_test_name
|
|
}
|
|
}
|
|
}
|