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# Copyright 2009-2013 Free Software Foundation, Inc.
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
# This file is part of the GDB testsuite. It tests precord debugging
# with shared libraries and a logfile.
# This test suitable only for process record-replay
if ![supports_process_record] {
return
}
if {[skip_shlib_tests]} {
return
}
standard_testfile solib-reverse.c
set precsave [standard_output_file solib.precsave]
set libfile "shr2"
set libsrc ${libfile}.c
set library [standard_output_file ${libfile}.sl]
if [get_compiler_info] {
return -1
}
if { [gdb_compile_shlib ${srcdir}/${subdir}/${libsrc} ${library} "debug"] != "" } {
untested "Could not compile shared library."
return -1
}
set exec_opts [list debug shlib=${library}]
# Attempt to prevent -Wl,-z,relro which may happen by default with some
# toolchain configurations. Due to PR corefiles/11804 GDB will then produce
# invalid core file.
if { [gdb_compile ${srcdir}/${subdir}/${srcfile} ${binfile} executable \
[concat $exec_opts additional_flags=-Wl,-z,norelro]] != ""
&& [gdb_compile ${srcdir}/${subdir}/${srcfile} ${binfile} executable $exec_opts] != "" } {
untested "Could not compile $binfile."
return -1
}
# Start with a fresh gdb.
gdb_exit
gdb_start
# Clear it to never find any separate system debug infos.
gdb_test_no_output "set debug-file-directory"
gdb_reinitialize_dir $srcdir/$subdir
gdb_load ${binfile}
gdb_load_shlibs $library
runto main
if [supports_process_record] {
# Activate process record/replay
gdb_test_no_output "record" "Turn on process record"
}
set end_of_main [gdb_get_line_number "end of main" ]
gdb_test "break $end_of_main" \
"Breakpoint $decimal at .*/$srcfile, line $end_of_main\." \
"BP at end of main"
gdb_test "continue" "Breakpoint .* end of main .*" "run to end of main"
gdb_test "record save $precsave" \
"Saved core file $precsave with execution log\." \
"save process recfile"
gdb_test "kill" "" "Kill process, prepare to debug log file" \
"Kill the program being debugged\\? \\(y or n\\) " "y"
gdb_test "record restore $precsave" \
"Program terminated with signal .*" \
"reload core file"
#
# Test reverse-step over undebuggable solib functions.
#
# Run forward past some solib function calls.
set end_part_one [gdb_get_line_number " end part one" "$srcfile"]
set end_part_two [gdb_get_line_number " end part two" "$srcfile"]
gdb_test "until $end_part_one" " end part one.*" "run until end part one"
gdb_test "reverse-step" " sleep three .*" "reverse-step third sleep"
gdb_test "reverse-step" " sleep two .*" "reverse-step second sleep"
gdb_test "reverse-step" " sleep one .*" \
"reverse-step first sleep, dynsym resolve"
gdb_test "reverse-step" " printf three .*" "reverse-step third printf"
gdb_test "reverse-step" " printf two .*" "reverse-step second printf"
gdb_test "reverse-step" " printf one .*" \
"reverse-step first printf, dynsym resolve"
gdb_test "reverse-step" " generic statement.*" "reverse-step generic"
#
# Test reverse-next over undebuggable solib functions.
#
# Run forward again...
gdb_test "until $end_part_one" " end part one.*" "forward to end part one"
gdb_test "reverse-next" " sleep three .*" "reverse-next third sleep"
gdb_test "reverse-next" " sleep two .*" "reverse-next second sleep"
gdb_test "reverse-next" " sleep one .*" \
"reverse-next first sleep, dynsym resolve"
gdb_test "reverse-next" " printf three .*" "reverse-next third printf"
gdb_test "reverse-next" " printf two .*" "reverse-next second printf"
gdb_test "reverse-next" " printf one .*" \
"reverse-next first printf, dynsym resolve"
gdb_test "reverse-next" " generic statement.*" "reverse-next generic"
#
# Test reverse-step into debuggable solib function
#
gdb_test "reverse-step" "${libsrc}.*" "reverse-step into solib function one"
gdb_test "reverse-step" "return 2.x.*" "reverse-step within solib function one"
gdb_test "reverse-step" " middle part two.*" "reverse-step back to main one"
gdb_test "reverse-step" "${libsrc}.*" "reverse-step into solib function two"
gdb_test "reverse-step" "return 2.x.*" "reverse-step within solib function two"
gdb_test "reverse-step" " begin part two.*" "reverse-step back to main two"
#
# Test reverse-next over debuggable solib function
#
gdb_test "until $end_part_two" " end part two.*" "run until end part two"
gdb_test "reverse-next" " middle part two.*" "reverse-next over solib function one"
gdb_test "reverse-next" " begin part two.*" "reverse-next over solib function two"
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