gdb/testsuite/gdb.btrace/rn-dl-bind.exp

   1 # This testcase is part of GDB, the GNU debugger.
   2 #
   3 # Copyright 2013-2022 Free Software Foundation, Inc.
   4 #
   5 # Contributed by Intel Corp. <markus.t.metzger@intel.com>
   6 #
   7 # This program is free software; you can redistribute it and/or modify
   8 # it under the terms of the GNU General Public License as published by
   9 # the Free Software Foundation; either version 3 of the License, or
  10 # (at your option) any later version.
  11 #
  12 # This program is distributed in the hope that it will be useful,
  13 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 # GNU General Public License for more details.
  16 #
  17 # You should have received a copy of the GNU General Public License
  18 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
  19 #
  20 #
  21 # Test that we can reverse-next over the dynamic linker's symbol
  22 # lookup code.
  23
  24 if { [skip_btrace_tests] } {
  25     unsupported "target does not support record-btrace"
  26     return -1
  27 }
  28
  29 standard_testfile
  30 if [prepare_for_testing "failed to prepare" $testfile $srcfile \
  31         {c++ debug ldflags=-Wl,-z,lazy}] {
  32     return -1
  33 }
  34
  35 if ![runto_main] {
  36     untested "failed to run to main"
  37     return -1
  38 }
  39
  40 # trace the code for the call to test
  41 gdb_test_no_output "record btrace"
  42 gdb_test "next" ".*main\.2.*"
  43
  44 # just dump the function-call-history to help debugging
  45 gdb_test_no_output "set record function-call-history-size 0"
  46 gdb_test "record function-call-history /cli 1" ".*"
  47
  48 # check that we can reverse-next and next
  49 with_test_prefix "main" {
  50     gdb_test "reverse-next" ".*main\.1.*"
  51     gdb_test "next" ".*main\.2.*"
  52 }
  53
  54 # now go into test and try to (reverse-)next over the library call
  55 #
  56 # reverse-stepping through the epilogue is not very reliable; depending on
  57 # debug information we may stop at the closing brace or at the return.
  58 #
  59 # instead, run to test
  60 gdb_breakpoint test {temporary}
  61 gdb_test "reverse-continue" ".*test\.1.*"
  62
  63 with_test_prefix "test" {
  64     gdb_test "next" ".*test\.2.*"
  65     gdb_test "reverse-next" ".*test\.1.*"
  66 }