gdb/testsuite/gdb.reverse/solib-precsave.exp

   1 # Copyright 2009-2013 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 precord debugging
  17 # with shared libraries and a logfile.
  18
  19 # This test suitable only for process record-replay
  20 if ![supports_process_record] {
  21     return
  22 }
  23 if {[skip_shlib_tests]} {
  24     return
  25 }
  26
  27 standard_testfile solib-reverse.c
  28 set precsave [standard_output_file solib.precsave]
  29 set libfile  "shr2"
  30 set libsrc   ${libfile}.c
  31 set library  [standard_output_file ${libfile}.sl]
  32
  33 if [get_compiler_info] {
  34     return -1
  35 }
  36
  37 if { [gdb_compile_shlib ${srcdir}/${subdir}/${libsrc} ${library} "debug"] != "" } {
  38     untested "Could not compile shared library."
  39     return -1
  40 }
  41
  42 set exec_opts [list debug shlib=${library}]
  43
  44 # Attempt to prevent -Wl,-z,relro which may happen by default with some
  45 # toolchain configurations.  Due to PR corefiles/11804 GDB will then produce
  46 # invalid core file.
  47
  48 if { [gdb_compile ${srcdir}/${subdir}/${srcfile} ${binfile} executable \
  49                      [concat $exec_opts additional_flags=-Wl,-z,norelro]] != ""
  50      && [gdb_compile ${srcdir}/${subdir}/${srcfile} ${binfile} executable $exec_opts] != "" } {
  51     untested "Could not compile $binfile."
  52     return -1
  53 }
  54
  55 # Start with a fresh gdb.
  56
  57 gdb_exit
  58 gdb_start
  59
  60 # Clear it to never find any separate system debug infos.
  61 gdb_test_no_output "set debug-file-directory"
  62
  63 gdb_reinitialize_dir $srcdir/$subdir
  64 gdb_load ${binfile}
  65 gdb_load_shlibs $library
  66
  67 runto main
  68
  69 if [supports_process_record] {
  70     # Activate process record/replay
  71     gdb_test_no_output "record" "Turn on process record"
  72 }
  73
  74 set end_of_main [gdb_get_line_number "end of main" ]
  75 gdb_test "break $end_of_main" \
  76     "Breakpoint $decimal at .*/$srcfile, line $end_of_main\." \
  77     "BP at end of main"
  78
  79 gdb_test "continue" "Breakpoint .* end of main .*" "run to end of main"
  80
  81 gdb_test "record save $precsave" \
  82     "Saved core file $precsave with execution log\."  \
  83     "save process recfile"
  84
  85 gdb_test "kill" "" "Kill process, prepare to debug log file" \
  86     "Kill the program being debugged\\? \\(y or n\\) " "y"
  87
  88 gdb_test "record restore $precsave" \
  89     "Program terminated with signal .*" \
  90     "reload core file"
  91
  92 #
  93 # Test reverse-step over undebuggable solib functions.
  94 #
  95
  96 # Run forward past some solib function calls.
  97
  98 set end_part_one [gdb_get_line_number " end part one" "$srcfile"]
  99 set end_part_two [gdb_get_line_number " end part two" "$srcfile"]
 100 gdb_test "until $end_part_one" " end part one.*" "run until end part one"
 101
 102 gdb_test "reverse-step" " sleep three .*" "reverse-step third sleep"
 103 gdb_test "reverse-step" " sleep two .*"   "reverse-step second sleep"
 104 gdb_test "reverse-step" " sleep one .*"   \
 105                     "reverse-step first sleep, dynsym resolve"
 106
 107 gdb_test "reverse-step" " printf three .*" "reverse-step third printf"
 108 gdb_test "reverse-step" " printf two .*"   "reverse-step second printf"
 109 gdb_test "reverse-step" " printf one .*"   \
 110                     "reverse-step first printf, dynsym resolve"
 111 gdb_test "reverse-step" " generic statement.*" "reverse-step generic"
 112
 113
 114 #
 115 # Test reverse-next over undebuggable solib functions.
 116 #
 117
 118 # Run forward again...
 119
 120 gdb_test "until $end_part_one" " end part one.*" "forward to end part one"
 121
 122 gdb_test "reverse-next" " sleep three .*" "reverse-next third sleep"
 123 gdb_test "reverse-next" " sleep two .*"   "reverse-next second sleep"
 124 gdb_test "reverse-next" " sleep one .*"   \
 125                     "reverse-next first sleep, dynsym resolve"
 126
 127 gdb_test "reverse-next" " printf three .*" "reverse-next third printf"
 128 gdb_test "reverse-next" " printf two .*"   "reverse-next second printf"
 129 gdb_test "reverse-next" " printf one .*"   \
 130                     "reverse-next first printf, dynsym resolve"
 131 gdb_test "reverse-next" " generic statement.*" "reverse-next generic"
 132
 133
 134 #
 135 # Test reverse-step into debuggable solib function
 136 #
 137
 138 gdb_test "reverse-step" "${libsrc}.*" "reverse-step into solib function one"
 139 gdb_test "reverse-step" "return 2.x.*" "reverse-step within solib function one"
 140 gdb_test "reverse-step" " middle part two.*" "reverse-step back to main one"
 141
 142 gdb_test "reverse-step" "${libsrc}.*" "reverse-step into solib function two"
 143 gdb_test "reverse-step" "return 2.x.*" "reverse-step within solib function two"
 144 gdb_test "reverse-step" " begin part two.*" "reverse-step back to main two"
 145
 146 #
 147 # Test reverse-next over debuggable solib function
 148 #
 149
 150 gdb_test "until $end_part_two" " end part two.*" "run until end part two"
 151
 152 gdb_test "reverse-next" " middle part two.*" "reverse-next over solib function one"
 153 gdb_test "reverse-next" " begin part two.*" "reverse-next over solib function two"