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31cf28c784
The command has no effect for the loading of GDB pretty printers and is removed by this patch to avoid confusion. Documentation for "set print pretty" "Cause GDB to print structures in an indented format with one member per line"
135 lines
4.6 KiB
Plaintext
135 lines
4.6 KiB
Plaintext
# Copyright (C) 2022-2023 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 a pretty printer that
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# calls an inferior function by hand, triggering a Use-after-Free bug
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# (PR gdb/28856).
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load_lib gdb-python.exp
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require allow_python_tests
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standard_testfile
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if { [prepare_for_testing "failed to prepare" $testfile $srcfile debug] } {
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untested "failed to compile"
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return -1
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}
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# This proc restarts GDB, makes the inferior reach the desired spot - marked
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# by a comment in the .c file - and turns on the pretty printer for testing.
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# Starting with a new GDB is important because the test may crash GDB. The
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# return values are here to avoid us trying to test the pretty printer if
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# there was a problem getting to main.
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proc start_test { breakpoint_comment } {
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global srcdir subdir testfile binfile
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# Start with a fresh gdb.
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# This is important because the test can crash GDB.
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clean_restart ${binfile}
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if {![runto_main]} {
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untested "couldn't run to breakpoint"
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return -1
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}
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# Let GDB get to the return line.
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gdb_breakpoint [gdb_get_line_number ${breakpoint_comment} ${testfile}.c ]
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gdb_continue_to_breakpoint ${breakpoint_comment} ".*"
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set remote_python_file [gdb_remote_download host ${srcdir}/${subdir}/${testfile}.py]
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gdb_test_no_output "source ${remote_python_file}" "load python file"
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return 0
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}
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# Start by testing the "run" command, it can't leverage start_test
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with_test_prefix "run to frame" {
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if {![runto_main]} {
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untested "couldn't run to main"
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}
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set remote_python_file [gdb_remote_download host ${srcdir}/${subdir}/${testfile}.py]
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gdb_test_no_output "source ${remote_python_file}" "load python file"
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gdb_breakpoint [gdb_get_line_number "TAG: final frame" ${testfile}.c]
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gdb_continue_to_breakpoint "TAG: final frame" ".*"
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}
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# Testing the backtrace command.
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with_test_prefix "frame print" {
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if { [start_test "TAG: final frame"] == 0 } {
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gdb_test "backtrace -frame-arguments all" [multi_line \
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"#0 .*g \\(mt=mytype is .*\\, depth=0\\).*"\
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"#1 .*g \\(mt=mytype is .*\\, depth=1\\).*"\
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"#2 .*g \\(mt=mytype is .*\\, depth=2\\).*"\
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"#3 .*g \\(mt=mytype is .*\\, depth=3\\).*"\
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"#4 .*g \\(mt=mytype is .*\\, depth=4\\).*"\
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"#5 .*g \\(mt=mytype is .*\\, depth=5\\).*"\
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"#6 .*g \\(mt=mytype is .*\\, depth=6\\).*"\
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"#7 .*g \\(mt=mytype is .*\\, depth=7\\).*"\
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"#8 .*g \\(mt=mytype is .*\\, depth=8\\).*"\
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"#9 .*g \\(mt=mytype is .*\\, depth=9\\).*"\
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"#10 .*g \\(mt=mytype is .*\\, depth=10\\).*"\
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"#11 .*main \\(\\).*"] \
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"backtrace test"
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}
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}
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# Test the "info frame" command
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with_test_prefix "info frame" {
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if { [start_test "TAG: first frame"] == 0 } {
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gdb_test "info frame" "mytype is $hex \"hello world\".*"
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}
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}
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# Testing the down command.
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with_test_prefix "frame movement down" {
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if { [start_test "TAG: first frame"] == 0 } {
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gdb_test "up" [multi_line "#1 .*in main \\(\\) at .*" ".*outside the frame.*"]
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gdb_test "down" [multi_line "#0\\s+g \\(mt=mytype is .*\\, depth=10\\).*" ".*first frame.*"]
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}
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}
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# Testing the up command.
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with_test_prefix "frame movement up" {
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if { [start_test "TAG: final frame"] == 0 } {
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gdb_test "up" [multi_line "#1 .*in g \\(mt=mytype is .*\\, depth=1\\).*" ".*first frame.*"]
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}
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}
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# Testing the finish command.
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with_test_prefix "frame exit through finish" {
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if { [start_test "TAG: final frame"] == 0 } {
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gdb_test "finish" [multi_line ".*.*g \\(mt=mytype is .*\\, depth=0\\).*" ".*g \\(mt=mytype is .*\\, depth=1\\).*" ".*"]
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}
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}
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# Testing the step command.
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with_test_prefix "frame enter through step" {
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if { [start_test "TAG: outside the frame"] == 0 } {
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gdb_test "step" [multi_line "g \\(mt=mytype is .*\\, depth=10\\).*" "41.*if \\(depth \\<= 0\\)"]
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}
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}
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# Testing the continue command.
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with_test_prefix "frame enter through continue" {
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if { [start_test "TAG: outside the frame"] == 0 } {
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gdb_breakpoint [gdb_get_line_number "TAG: first frame" ${testfile}.c ]
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gdb_continue_to_breakpoint "TAG: first frame" ".*TAG: first frame.*"
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}
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}
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