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159 lines
5.2 KiB
Plaintext
159 lines
5.2 KiB
Plaintext
# Copyright 2009-2016 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 precord debugging
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# with shared libraries and a logfile.
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# This test suitable only for process record-replay
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if ![supports_process_record] {
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return
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}
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if {[skip_shlib_tests]} {
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return
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}
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standard_testfile solib-reverse.c
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set precsave [standard_output_file solib.precsave]
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set lib1file "shr1"
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set lib1src ${lib1file}.c
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set library1 [standard_output_file ${lib1file}.sl]
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set lib2file "shr2"
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set lib2src ${lib2file}.c
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set library2 [standard_output_file ${lib2file}.sl]
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if [get_compiler_info] {
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return -1
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}
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# Compile the first without debug info so that
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# stepping and reverse stepping doesn't end up inside them.
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if { [gdb_compile_shlib ${srcdir}/${subdir}/${lib1src} ${library1} ""] != "" } {
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untested "Could not compile shared library1."
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return -1
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}
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if { [gdb_compile_shlib ${srcdir}/${subdir}/${lib2src} ${library2} "debug"] != "" } {
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untested "Could not compile shared library2."
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return -1
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}
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set exec_opts [list debug shlib=${library1} shlib=${library2}]
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# Attempt to prevent -Wl,-z,relro which may happen by default with some
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# toolchain configurations. Due to PR corefiles/11804 GDB will then produce
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# invalid core file.
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if { [gdb_compile ${srcdir}/${subdir}/${srcfile} ${binfile} executable \
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[concat $exec_opts additional_flags=-Wl,-z,norelro]] != ""
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&& [gdb_compile ${srcdir}/${subdir}/${srcfile} ${binfile} executable $exec_opts] != "" } {
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untested "Could not compile $binfile."
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return -1
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}
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# Start with a fresh gdb.
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gdb_exit
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gdb_start
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# Note: The test previously did "set debug-file-directory" to (try to)
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# ensure the debug info for the dynamic loader and libc weren't found.
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# This doesn't work if the debug info is in the .debug subdirectory.
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# Avoiding debug info for system libraries is not germaine to this test
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# and is no longer attempted. Instead, the test does not make assumptions
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# about whether the debug info is present or not.
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gdb_reinitialize_dir $srcdir/$subdir
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gdb_load ${binfile}
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gdb_load_shlibs $library1
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gdb_load_shlibs $library2
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runto main
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if [supports_process_record] {
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# Activate process record/replay
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gdb_test_no_output "record" "Turn on process record"
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}
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set end_of_main [gdb_get_line_number "end of main" ]
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gdb_test "break $end_of_main" \
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"Breakpoint $decimal at .*$srcfile, line $end_of_main\." \
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"BP at end of main"
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gdb_test "continue" "Breakpoint .* end of main .*" "run to end of main"
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gdb_test "record save $precsave" \
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"Saved core file $precsave with execution log\." \
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"save process recfile"
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gdb_test "kill" "" "Kill process, prepare to debug log file" \
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"Kill the program being debugged\\? \\(y or n\\) " "y"
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gdb_test "record restore $precsave" \
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"Restored records from core file .*" \
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"reload core file"
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#
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# Test reverse-step over undebuggable solib functions.
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#
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# Run forward past some solib function calls.
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set end_part_one [gdb_get_line_number " end part one" "$srcfile"]
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set end_part_two [gdb_get_line_number " end part two" "$srcfile"]
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gdb_test "until $end_part_one" " end part one.*" "run until end part one"
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gdb_test "reverse-step" " shr1 three .*" "reverse-step third shr1"
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gdb_test "reverse-step" " shr1 two .*" "reverse-step second shr1"
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gdb_test "reverse-step" " shr1 one .*" "reverse-step first shr1"
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gdb_test "reverse-step" " generic statement.*" "reverse-step generic"
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#
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# Test reverse-next over undebuggable solib functions.
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#
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# Run forward again...
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gdb_test "until $end_part_one" " end part one.*" "forward to end part one"
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gdb_test "reverse-next" " shr1 three .*" "reverse-next third shr1"
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gdb_test "reverse-next" " shr1 two .*" "reverse-next second shr1"
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gdb_test "reverse-next" " shr1 one .*" "reverse-next first shr1"
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gdb_test "reverse-next" " generic statement.*" "reverse-next generic"
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#
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# Test reverse-step into debuggable solib function
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#
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gdb_test "reverse-step" "${lib2src}.*" "reverse-step into solib function one"
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gdb_test "reverse-step" "return 2.x.*" "reverse-step within solib function one"
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gdb_test "reverse-step" " middle part two.*" "reverse-step back to main one"
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gdb_test "reverse-step" "${lib2src}.*" "reverse-step into solib function two"
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gdb_test "reverse-step" "return 2.x.*" "reverse-step within solib function two"
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gdb_test "reverse-step" " begin part two.*" "reverse-step back to main two"
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#
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# Test reverse-next over debuggable solib function
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#
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gdb_test "until $end_part_two" " end part two.*" "run until end part two"
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gdb_test "reverse-next" " middle part two.*" "reverse-next over solib function one"
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gdb_test "reverse-next" " begin part two.*" "reverse-next over solib function two"
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