1# Copyright 2009-2015 Free Software Foundation, Inc. 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 reverse debugging 17# with shared libraries. 18 19if ![supports_reverse] { 20 return 21} 22if {[skip_shlib_tests]} { 23 return 24} 25 26standard_testfile 27set lib1file "shr1" 28set lib1src ${lib1file}.c 29set library1 [standard_output_file ${lib1file}.sl] 30set lib2file "shr2" 31set lib2src ${lib2file}.c 32set library2 [standard_output_file ${lib2file}.sl] 33 34if [get_compiler_info] { 35 return -1 36} 37 38# Compile the first without debug info so that 39# stepping and reverse stepping doesn't end up inside them. 40if { [gdb_compile_shlib ${srcdir}/${subdir}/${lib1src} ${library1} ""] != "" } { 41 untested "Could not compile shared library1." 42 return -1 43} 44 45if { [gdb_compile_shlib ${srcdir}/${subdir}/${lib2src} ${library2} "debug"] != "" } { 46 untested "Could not compile shared library2." 47 return -1 48} 49 50set exec_opts [list debug shlib=${library1} shlib=${library2}] 51 52if { [gdb_compile ${srcdir}/${subdir}/${srcfile} ${binfile} executable $exec_opts] != "" } { 53 untested "Could not compile $binfile." 54 return -1 55} 56 57# Start with a fresh gdb. 58 59gdb_exit 60gdb_start 61 62# Note: The test previously did "set debug-file-directory" to (try to) 63# ensure the debug info for the dynamic loader and libc weren't found. 64# This doesn't work if the debug info is in the .debug subdirectory. 65# Avoiding debug info for system libraries is not germaine to this test 66# and is no longer attempted. Instead, the test does not make assumptions 67# about whether the debug info is present or not. 68 69gdb_reinitialize_dir $srcdir/$subdir 70gdb_load ${binfile} 71gdb_load_shlibs $library1 72gdb_load_shlibs $library2 73 74runto main 75 76if [supports_process_record] { 77 # Activate process record/replay 78 gdb_test_no_output "record" "Turn on process record" 79} 80 81# 82# Test reverse-step over undebuggable solib functions. 83# 84 85# Run forward past some solib function calls. 86 87set end_part_one [gdb_get_line_number " end part one" "$srcfile"] 88set end_part_two [gdb_get_line_number " end part two" "$srcfile"] 89gdb_test "until $end_part_one" " end part one.*" "run until end part one" 90 91gdb_test "reverse-step" " shr1 three .*" "reverse-step third shr1" 92gdb_test "reverse-step" " shr1 two .*" "reverse-step second shr1" 93gdb_test "reverse-step" " shr1 one .*" "reverse-step first shr1" 94 95gdb_test "reverse-step" " generic statement.*" "reverse-step generic" 96 97 98# 99# Test reverse-next over undebuggable solib functions. 100# 101 102# Run forward again... 103 104gdb_test "until $end_part_one" " end part one.*" "forward to end part one" 105 106gdb_test "reverse-next" " shr1 three .*" "reverse-next third shr1" 107gdb_test "reverse-next" " shr1 two .*" "reverse-next second shr1" 108gdb_test "reverse-next" " shr1 one .*" "reverse-next first shr1" 109 110gdb_test "reverse-next" " generic statement.*" "reverse-next generic" 111 112 113# 114# Test reverse-step into debuggable solib function 115# 116 117gdb_test "reverse-step" "${lib2src}.*" "reverse-step into solib function one" 118gdb_test "reverse-step" "return 2.x.*" "reverse-step within solib function one" 119gdb_test "reverse-step" " middle part two.*" "reverse-step back to main one" 120 121gdb_test "reverse-step" "${lib2src}.*" "reverse-step into solib function two" 122gdb_test "reverse-step" "return 2.x.*" "reverse-step within solib function two" 123gdb_test "reverse-step" " begin part two.*" "reverse-step back to main two" 124 125# 126# Test reverse-next over debuggable solib function 127# 128 129gdb_test "until $end_part_two" " end part two.*" "run until end part two" 130 131gdb_test "reverse-next" " middle part two.*" "reverse-next over solib function one" 132gdb_test "reverse-next" " begin part two.*" "reverse-next over solib function two" 133