gdb/testsuite/gdb.base/info-shared.exp

   1 # Copyright 2012-2019 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 if { [skip_shlib_tests] } {
  17     return 0
  18 }
  19
  20 standard_testfile
  21
  22 set lib1name $testfile-solib1
  23 set srcfile_lib1 $srcdir/$subdir/$lib1name.c
  24 set binfile_lib1 [standard_output_file $lib1name.so]
  25 set define1 -DSHLIB1_NAME=\"$binfile_lib1\"
  26
  27 set lib2name $testfile-solib2
  28 set srcfile_lib2 $srcdir/$subdir/$lib2name.c
  29 set binfile_lib2 [standard_output_file $lib2name.so]
  30 set define2 -DSHLIB2_NAME=\"$binfile_lib2\"
  31
  32 if { [gdb_compile_shlib $srcfile_lib1 $binfile_lib1 \
  33           [list additional_flags=-fPIC]] != "" } {
  34     untested "failed to compile shared library 1"
  35     return -1
  36 }
  37
  38 if { [gdb_compile_shlib $srcfile_lib2 $binfile_lib2 \
  39           [list additional_flags=-fPIC]] != "" } {
  40     untested "failed to compile shared library 2"
  41     return -1
  42 }
  43
  44 set cflags "$define1 $define2"
  45 if { [prepare_for_testing "failed to prepare" $testfile $srcfile \
  46           [list additional_flags=$cflags shlib_load]] } {
  47     return -1
  48 }
  49
  50 # Run "info sharedlibrary" and check for the presence or absence of
  51 # our libraries.
  52 proc check_info_shared { test expect1 expect2 } {
  53     global lib1name
  54     global lib2name
  55     global gdb_prompt
  56
  57     set actual1 0
  58     set actual2 0
  59
  60     gdb_test_multiple "info sharedlibrary" $test {
  61         -re $lib1name {
  62             set actual1 1
  63             exp_continue
  64         }
  65         -re $lib2name {
  66             set actual2 1
  67             exp_continue
  68         }
  69         -re "\r\n$gdb_prompt $" {
  70             if { $actual1 == $expect1 && $actual2 == $expect2 } {
  71                 pass $test
  72             } else {
  73                 fail $test
  74             }
  75         }
  76     }
  77 }
  78
  79 # Start the inferior, and check neither of the libraries are loaded at
  80 # the start.
  81 if ![runto_main] {
  82     return 0
  83 }
  84 check_info_shared "info sharedlibrary #1" 0 0
  85
  86 # Set up breakpoints.
  87 gdb_breakpoint "stop"
  88 gdb_breakpoint "foo" allow-pending
  89 gdb_breakpoint "bar" allow-pending
  90
  91 # Run to the first stop and check that only the first library is loaded.
  92 gdb_continue_to_breakpoint "library load #1" "\\.?stop .*"
  93 check_info_shared "info sharedlibrary #2" 1 0
  94
  95 # Run to the second stop and check that both libraries are loaded.
  96 gdb_continue_to_breakpoint "library load #2" "\\.?stop .*"
  97 check_info_shared "info sharedlibrary #3" 1 1
  98
  99 # Check that the next stop is in foo.
 100 gdb_continue_to_breakpoint "library function #1" "\\.?foo .*"
 101
 102 # Check that the next stop is in bar.
 103 gdb_continue_to_breakpoint "library function #2" "\\.?bar .*"
 104
 105 # Restart the inferior and make sure there are no breakpoint reset
 106 # errors.  These can happen with the probes-based runtime linker
 107 # interface if the cache is not cleared correctly.
 108 set test "restart"
 109 gdb_run_cmd
 110 gdb_test_multiple "" $test {
 111     -re {Start it from the beginning\? \(y or n\) $} {
 112         send_gdb "y\n"
 113         exp_continue
 114     }
 115     -re {Error in re-setting breakpoint} {
 116         fail $test
 117     }
 118     -re "\r\n$gdb_prompt $" {
 119         pass $test
 120     }
 121 }
 122
 123 # Check that neither library is loaded.
 124 check_info_shared "info sharedlibrary #4" 0 0
 125
 126 # Run to the first stop and check that only the first library is loaded.
 127 gdb_continue_to_breakpoint "library load #3" "\\.?stop .*"
 128 check_info_shared "info sharedlibrary #5" 1 0
 129
 130 # Run to the second stop and check that both libraries are loaded.
 131 gdb_continue_to_breakpoint "library load #4" "\\.?stop .*"
 132 check_info_shared "info sharedlibrary #6" 1 1
 133
 134 # Check that the next stop is in foo.
 135 gdb_continue_to_breakpoint "library function #3" "\\.?foo .*"
 136
 137 # Check that the next stop is in bar.
 138 gdb_continue_to_breakpoint "library function #4" "\\.?bar .*"
 139
 140 # Run to the next stop and check that the first library has been unloaded.
 141 gdb_continue_to_breakpoint "library unload #1" "\\.?stop .*"
 142 check_info_shared "info sharedlibrary #7" 0 1
 143
 144 # Run to the last stop and check that both libraries are gone.
 145 gdb_continue_to_breakpoint "library unload #2" "\\.?stop .*"
 146 check_info_shared "info sharedlibrary #8" 0 0