]>
Commit | Line | Data |
---|---|---|
1d506c26 | 1 | # Copyright (C) 2022-2024 Free Software Foundation, Inc. |
c29a6445 BL |
2 | |
3 | # This program is free software; you can redistribute it and/or modify | |
4 | # it under the terms of the GNU General Public License as published by | |
5 | # the Free Software Foundation; either version 3 of the License, or | |
6 | # (at your option) any later version. | |
7 | # | |
8 | # This program is distributed in the hope that it will be useful, | |
9 | # but WITHOUT ANY WARRANTY; without even the implied warranty of | |
10 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
11 | # GNU General Public License for more details. | |
12 | # | |
13 | # You should have received a copy of the GNU General Public License | |
14 | # along with this program. If not, see <http://www.gnu.org/licenses/>. | |
15 | ||
16 | # This file is part of the GDB testsuite. It tests a pretty printer that | |
17 | # calls an inferior function by hand, triggering a Use-after-Free bug | |
18 | # (PR gdb/28856). | |
19 | ||
20 | load_lib gdb-python.exp | |
21 | ||
d82e5429 | 22 | require allow_python_tests |
c29a6445 | 23 | |
79749205 | 24 | standard_testfile |
c29a6445 BL |
25 | |
26 | if { [prepare_for_testing "failed to prepare" $testfile $srcfile debug] } { | |
27 | untested "failed to compile" | |
28 | return -1 | |
29 | } | |
30 | ||
31 | # This proc restarts GDB, makes the inferior reach the desired spot - marked | |
32 | # by a comment in the .c file - and turns on the pretty printer for testing. | |
33 | # Starting with a new GDB is important because the test may crash GDB. The | |
34 | # return values are here to avoid us trying to test the pretty printer if | |
35 | # there was a problem getting to main. | |
36 | proc start_test { breakpoint_comment } { | |
37 | global srcdir subdir testfile binfile | |
38 | ||
39 | # Start with a fresh gdb. | |
40 | # This is important because the test can crash GDB. | |
41 | ||
42 | clean_restart ${binfile} | |
43 | ||
b0e16ca5 | 44 | if {![runto_main]} { |
c29a6445 BL |
45 | untested "couldn't run to breakpoint" |
46 | return -1 | |
47 | } | |
48 | ||
49 | # Let GDB get to the return line. | |
50 | gdb_breakpoint [gdb_get_line_number ${breakpoint_comment} ${testfile}.c ] | |
51 | gdb_continue_to_breakpoint ${breakpoint_comment} ".*" | |
52 | ||
c29a6445 BL |
53 | set remote_python_file [gdb_remote_download host ${srcdir}/${subdir}/${testfile}.py] |
54 | gdb_test_no_output "source ${remote_python_file}" "load python file" | |
55 | ||
56 | return 0 | |
57 | } | |
58 | ||
59 | # Start by testing the "run" command, it can't leverage start_test | |
60 | with_test_prefix "run to frame" { | |
b0e16ca5 | 61 | if {![runto_main]} { |
c29a6445 BL |
62 | untested "couldn't run to main" |
63 | } | |
64 | ||
c29a6445 BL |
65 | set remote_python_file [gdb_remote_download host ${srcdir}/${subdir}/${testfile}.py] |
66 | gdb_test_no_output "source ${remote_python_file}" "load python file" | |
67 | ||
68 | gdb_breakpoint [gdb_get_line_number "TAG: final frame" ${testfile}.c] | |
69 | gdb_continue_to_breakpoint "TAG: final frame" ".*" | |
70 | } | |
71 | ||
72 | # Testing the backtrace command. | |
73 | with_test_prefix "frame print" { | |
74 | if { [start_test "TAG: final frame"] == 0 } { | |
75 | gdb_test "backtrace -frame-arguments all" [multi_line \ | |
76 | "#0 .*g \\(mt=mytype is .*\\, depth=0\\).*"\ | |
77 | "#1 .*g \\(mt=mytype is .*\\, depth=1\\).*"\ | |
78 | "#2 .*g \\(mt=mytype is .*\\, depth=2\\).*"\ | |
79 | "#3 .*g \\(mt=mytype is .*\\, depth=3\\).*"\ | |
80 | "#4 .*g \\(mt=mytype is .*\\, depth=4\\).*"\ | |
81 | "#5 .*g \\(mt=mytype is .*\\, depth=5\\).*"\ | |
82 | "#6 .*g \\(mt=mytype is .*\\, depth=6\\).*"\ | |
83 | "#7 .*g \\(mt=mytype is .*\\, depth=7\\).*"\ | |
84 | "#8 .*g \\(mt=mytype is .*\\, depth=8\\).*"\ | |
85 | "#9 .*g \\(mt=mytype is .*\\, depth=9\\).*"\ | |
86 | "#10 .*g \\(mt=mytype is .*\\, depth=10\\).*"\ | |
87 | "#11 .*main \\(\\).*"] \ | |
88 | "backtrace test" | |
89 | } | |
90 | } | |
3dc9dde2 SM |
91 | |
92 | # Test the "info frame" command | |
93 | with_test_prefix "info frame" { | |
94 | if { [start_test "TAG: first frame"] == 0 } { | |
95 | gdb_test "info frame" "mytype is $hex \"hello world\".*" | |
96 | } | |
97 | } | |
98 | ||
c29a6445 BL |
99 | # Testing the down command. |
100 | with_test_prefix "frame movement down" { | |
101 | if { [start_test "TAG: first frame"] == 0 } { | |
102 | gdb_test "up" [multi_line "#1 .*in main \\(\\) at .*" ".*outside the frame.*"] | |
103 | gdb_test "down" [multi_line "#0\\s+g \\(mt=mytype is .*\\, depth=10\\).*" ".*first frame.*"] | |
104 | } | |
105 | } | |
106 | ||
107 | # Testing the up command. | |
108 | with_test_prefix "frame movement up" { | |
109 | if { [start_test "TAG: final frame"] == 0 } { | |
110 | gdb_test "up" [multi_line "#1 .*in g \\(mt=mytype is .*\\, depth=1\\).*" ".*first frame.*"] | |
111 | } | |
112 | } | |
113 | ||
114 | # Testing the finish command. | |
115 | with_test_prefix "frame exit through finish" { | |
116 | if { [start_test "TAG: final frame"] == 0 } { | |
117 | gdb_test "finish" [multi_line ".*.*g \\(mt=mytype is .*\\, depth=0\\).*" ".*g \\(mt=mytype is .*\\, depth=1\\).*" ".*"] | |
118 | } | |
119 | } | |
120 | ||
121 | # Testing the step command. | |
122 | with_test_prefix "frame enter through step" { | |
123 | if { [start_test "TAG: outside the frame"] == 0 } { | |
124 | gdb_test "step" [multi_line "g \\(mt=mytype is .*\\, depth=10\\).*" "41.*if \\(depth \\<= 0\\)"] | |
125 | } | |
126 | } | |
127 | ||
128 | # Testing the continue command. | |
129 | with_test_prefix "frame enter through continue" { | |
130 | if { [start_test "TAG: outside the frame"] == 0 } { | |
131 | gdb_breakpoint [gdb_get_line_number "TAG: first frame" ${testfile}.c ] | |
132 | gdb_continue_to_breakpoint "TAG: first frame" ".*TAG: first frame.*" | |
133 | } | |
134 | } |