1 # Copyright 2009-2024 Free Software Foundation, Inc.
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.
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.
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/>.
16 # This file is part of the GDB testsuite. It tests precord debugging
17 # with shared libraries and a logfile.
19 # This test suitable only for process record-replay
20 require supports_process_record allow_shlib_tests
22 standard_testfile solib-reverse.c
23 set precsave [standard_output_file solib.precsave]
25 set lib1src ${lib1file}.c
26 set library1 [standard_output_file ${lib1file}.sl]
28 set lib2src ${lib2file}.c
29 set library2 [standard_output_file ${lib2file}.sl]
31 # Compile the first without debug info so that
32 # stepping and reverse stepping doesn't end up inside them.
33 if { [gdb_compile_shlib ${srcdir}/${subdir}/${lib1src} ${library1} ""] != "" } {
34 untested "failed to compile shared library 1"
38 if { [gdb_compile_shlib ${srcdir}/${subdir}/${lib2src} ${library2} "debug"] != "" } {
39 untested "failed to compile shared library 2"
43 set exec_opts [list debug shlib=${library1} shlib=${library2}]
45 # Attempt to prevent -Wl,-z,relro which may happen by default with some
46 # toolchain configurations. Due to PR corefiles/11804 GDB will then produce
49 if { [gdb_compile ${srcdir}/${subdir}/${srcfile} ${binfile} executable \
50 [concat $exec_opts ldflags=-Wl,-z,norelro]] != ""
51 && [gdb_compile ${srcdir}/${subdir}/${srcfile} ${binfile} executable $exec_opts] != "" } {
52 untested "failed to compile"
56 # Note: The test previously did "set debug-file-directory" to (try to)
57 # ensure the debug info for the dynamic loader and libc weren't found.
58 # This doesn't work if the debug info is in the .debug subdirectory.
59 # Avoiding debug info for system libraries is not germaine to this test
60 # and is no longer attempted. Instead, the test does not make assumptions
61 # about whether the debug info is present or not.
63 clean_restart $binfile
64 gdb_load_shlib $library1
65 gdb_load_shlib $library2
69 # Activate process record/replay
70 gdb_test_no_output "record" "turn on process record"
72 set end_of_main [gdb_get_line_number "end of main" ]
73 gdb_test "break $end_of_main" \
74 "Breakpoint $decimal at .*$srcfile, line $end_of_main\." \
75 "breakpoint at end of main"
77 gdb_test_multiple "continue" "run to end of main" {
78 -wrap -re "Breakpoint .* end of main .*" {
81 -wrap -re "Process record does not support instruction 0xfae64 at.*" {
82 kfail "gdb/25038" $gdb_test_name
87 gdb_test "record save $precsave" \
88 "Saved core file $precsave with execution log\." \
89 "save process recfile"
91 gdb_test "kill" "" "kill process, prepare to debug log file" \
92 "Kill the program being debugged\\? \\(y or n\\) " "y"
94 gdb_test "record restore $precsave" \
95 "Restored records from core file .*" \
99 # Test reverse-step over undebuggable solib functions.
102 # Run forward past some solib function calls.
104 set end_part_one [gdb_get_line_number " end part one" "$srcfile"]
105 set end_part_two [gdb_get_line_number " end part two" "$srcfile"]
106 gdb_test "until $end_part_one" " end part one.*" "run until end part one"
108 gdb_test "reverse-step" " shr1 three .*" "reverse-step third shr1"
109 gdb_test "reverse-step" " shr1 two .*" "reverse-step second shr1"
110 gdb_test "reverse-step" " shr1 one .*" "reverse-step first shr1"
112 gdb_test "reverse-step" " generic statement.*" "reverse-step generic"
116 # Test reverse-next over undebuggable solib functions.
119 # Run forward again...
121 gdb_test "until $end_part_one" " end part one.*" "forward to end part one"
123 gdb_test "reverse-next" " shr1 three .*" "reverse-next third shr1"
124 gdb_test "reverse-next" " shr1 two .*" "reverse-next second shr1"
125 gdb_test "reverse-next" " shr1 one .*" "reverse-next first shr1"
127 gdb_test "reverse-next" " generic statement.*" "reverse-next generic"
131 # Test reverse-step into debuggable solib function
134 gdb_test_multiple "reverse-step" "reverse-step into solib function one" {
135 -re -wrap "middle part two.*" {
136 send_gdb "reverse-step\n"
139 -re -wrap "${lib2src}.*" {
143 # Depending on wether the closing } has a line associated, we might have
144 # different acceptable results here
145 gdb_test_multiple "reverse-step" "reverse-step within solib function one" {
146 -re -wrap "return y;.*" {
149 -re -wrap "int y =.*" {
153 repeat_cmd_until "reverse-step" "" "main .. at" "reverse-step back to main one"
155 gdb_test_multiple "reverse-step" "reverse-step into solib function two" {
156 -re -wrap "begin part two.*" {
157 send_gdb "reverse-step\n"
160 -re -wrap "${lib2src}.*" {
164 gdb_test_multiple "reverse-step" "reverse-step within solib function two" {
165 -re -wrap "return y;.*" {
168 -re -wrap "int y =.*" {
172 repeat_cmd_until "reverse-step" "" "main .. at" "reverse-step back to main two"
175 # Test reverse-next over debuggable solib function
178 gdb_test "until $end_part_two" " end part two.*" "run until end part two"
180 gdb_test "reverse-next" " middle part two.*" "reverse-next over solib function one"
181 gdb_test_multiple "reverse-next" "reverse-next over solib function two" {
182 -re -wrap "middle part two.*" {
183 send_gdb "reverse-next\n"
186 -re -wrap " begin part two.*" {