gdb/testsuite/gdb.base/break-probes.exp

   1 # Copyright 2012-2021 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 libname $testfile-solib
  23 set srcfile_lib $srcdir/$subdir/$libname.c
  24 set binfile_lib [standard_output_file $libname.so]
  25
  26 if { [istarget "*bsd*"] } {
  27   set normal_bp "r_debug_state"
  28 } else {
  29   set normal_bp "_dl_debug_state"
  30 }
  31 set probes_bp "dl_main"
  32
  33 if { [gdb_compile_shlib $srcfile_lib $binfile_lib {}] != "" } {
  34     untested "failed to compile shared library"
  35     return -1
  36 }
  37
  38 if { [prepare_for_testing "failed to prepare" $testfile $srcfile \
  39           [list debug shlib_load additional_flags=-DSHLIB_NAME=\"$binfile_lib\"]] } {
  40     return -1
  41 }
  42
  43 # Enable stop-on-solib-events
  44 gdb_test_no_output "set stop-on-solib-events 1"
  45
  46 # Start the inferior and run to the first stop
  47 gdb_run_cmd
  48 gdb_test "" ".*Stopped due to shared library event.*"
  49
  50 # XFAIL if we are not using probes
  51 set test "ensure using probes"
  52 set using_probes 0
  53 gdb_test_multiple "bt" $test {
  54     -re "#0 +\[^\r\n\]*\\m(__GI_)?$normal_bp\\M.*$gdb_prompt $" {
  55         untested "probes not present on this system"
  56     }
  57     -re "#0 +\[^\r\n\]*\\m(__GI_)?$probes_bp\\M.*$gdb_prompt $" {
  58         pass $test
  59         set using_probes 1
  60     }
  61 }
  62
  63 if { ! $using_probes } {
  64     return -1
  65 }
  66
  67 set sysroot ""
  68 set test "show sysroot"
  69 gdb_test_multiple $test $test {
  70     -re "The current system root is \"(.*)\"\..*${gdb_prompt} $" {
  71         set sysroot $expect_out(1,string)
  72     }
  73 }
  74
  75 # GDB strips "target:" from the start of filenames
  76 # when operating on the local filesystem
  77 regsub "^target:" "$sysroot" "(target:)?" sysroot
  78
  79 # Run til it loads our library
  80 set test "run til our library loads"
  81 set not_loaded_library 1
  82 while { $not_loaded_library } {
  83     set not_loaded_library 0
  84     gdb_test_multiple "c" $test {
  85         -re "Inferior loaded $sysroot$binfile_lib\\M.*$gdb_prompt $" {
  86             pass $test
  87         }
  88         -re "Stopped due to shared library event\\M.*$gdb_prompt $" {
  89             set not_loaded_library 1
  90         }
  91     }
  92 }
  93
  94 # Call something to ensure that relocation occurred
  95 gdb_test "call (int) foo(23)" "\\\$.* = 31.*\\\M.*"