forked from Imagelibrary/binutils-gdb
d01e823438
This updates the copyright headers to include 2025. I did this by running gdb/copyright.py and then manually modifying a few files as noted by the script. Approved-By: Eli Zaretskii <eliz@gnu.org>
135 lines
4.6 KiB
Plaintext
135 lines
4.6 KiB
Plaintext
# Copyright (C) 2022-2025 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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