1 # Copyright 2009-2019 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 if ![supports_process_record] {
23 if {[skip_shlib_tests]} {
27 standard_testfile solib-reverse.c
28 set precsave [standard_output_file solib.precsave]
30 set lib1src ${lib1file}.c
31 set library1 [standard_output_file ${lib1file}.sl]
33 set lib2src ${lib2file}.c
34 set library2 [standard_output_file ${lib2file}.sl]
36 if [get_compiler_info] {
40 # Compile the first without debug info so that
41 # stepping and reverse stepping doesn't end up inside them.
42 if { [gdb_compile_shlib ${srcdir}/${subdir}/${lib1src} ${library1} ""] != "" } {
43 untested "failed to compile shared library 1"
47 if { [gdb_compile_shlib ${srcdir}/${subdir}/${lib2src} ${library2} "debug"] != "" } {
48 untested "failed to compile shared library 2"
52 set exec_opts [list debug shlib=${library1} shlib=${library2}]
54 # Attempt to prevent -Wl,-z,relro which may happen by default with some
55 # toolchain configurations. Due to PR corefiles/11804 GDB will then produce
58 if { [gdb_compile ${srcdir}/${subdir}/${srcfile} ${binfile} executable \
59 [concat $exec_opts additional_flags=-Wl,-z,norelro]] != ""
60 && [gdb_compile ${srcdir}/${subdir}/${srcfile} ${binfile} executable $exec_opts] != "" } {
61 untested "failed to compile"
65 # Start with a fresh gdb.
70 # Note: The test previously did "set debug-file-directory" to (try to)
71 # ensure the debug info for the dynamic loader and libc weren't found.
72 # This doesn't work if the debug info is in the .debug subdirectory.
73 # Avoiding debug info for system libraries is not germaine to this test
74 # and is no longer attempted. Instead, the test does not make assumptions
75 # about whether the debug info is present or not.
77 gdb_reinitialize_dir $srcdir/$subdir
79 gdb_load_shlib $library1
80 gdb_load_shlib $library2
84 if [supports_process_record] {
85 # Activate process record/replay
86 gdb_test_no_output "record" "turn on process record"
89 set end_of_main [gdb_get_line_number "end of main" ]
90 gdb_test "break $end_of_main" \
91 "Breakpoint $decimal at .*$srcfile, line $end_of_main\." \
92 "breakpoint at end of main"
94 gdb_test "continue" "Breakpoint .* end of main .*" "run to end of main"
96 gdb_test "record save $precsave" \
97 "Saved core file $precsave with execution log\." \
98 "save process recfile"
100 gdb_test "kill" "" "kill process, prepare to debug log file" \
101 "Kill the program being debugged\\? \\(y or n\\) " "y"
103 gdb_test "record restore $precsave" \
104 "Restored records from core file .*" \
108 # Test reverse-step over undebuggable solib functions.
111 # Run forward past some solib function calls.
113 set end_part_one [gdb_get_line_number " end part one" "$srcfile"]
114 set end_part_two [gdb_get_line_number " end part two" "$srcfile"]
115 gdb_test "until $end_part_one" " end part one.*" "run until end part one"
117 gdb_test "reverse-step" " shr1 three .*" "reverse-step third shr1"
118 gdb_test "reverse-step" " shr1 two .*" "reverse-step second shr1"
119 gdb_test "reverse-step" " shr1 one .*" "reverse-step first shr1"
121 gdb_test "reverse-step" " generic statement.*" "reverse-step generic"
125 # Test reverse-next over undebuggable solib functions.
128 # Run forward again...
130 gdb_test "until $end_part_one" " end part one.*" "forward to end part one"
132 gdb_test "reverse-next" " shr1 three .*" "reverse-next third shr1"
133 gdb_test "reverse-next" " shr1 two .*" "reverse-next second shr1"
134 gdb_test "reverse-next" " shr1 one .*" "reverse-next first shr1"
136 gdb_test "reverse-next" " generic statement.*" "reverse-next generic"
140 # Test reverse-step into debuggable solib function
143 gdb_test "reverse-step" "${lib2src}.*" "reverse-step into solib function one"
144 gdb_test "reverse-step" "return 2.x.*" "reverse-step within solib function one"
145 gdb_test "reverse-step" " middle part two.*" "reverse-step back to main one"
147 gdb_test "reverse-step" "${lib2src}.*" "reverse-step into solib function two"
148 gdb_test "reverse-step" "return 2.x.*" "reverse-step within solib function two"
149 gdb_test "reverse-step" " begin part two.*" "reverse-step back to main two"
152 # Test reverse-next over debuggable solib function
155 gdb_test "until $end_part_two" " end part two.*" "run until end part two"
157 gdb_test "reverse-next" " middle part two.*" "reverse-next over solib function one"
158 gdb_test "reverse-next" " begin part two.*" "reverse-next over solib function two"