gdb/testsuite/gdb.btrace/dlopen.exp

   1 # This testcase is part of GDB, the GNU debugger.
   2 #
   3 # Copyright 2015-2017 Free Software Foundation, Inc.
   4 #
   5 # This program is free software; you can redistribute it and/or modify
   6 # it under the terms of the GNU General Public License as published by
   7 # the Free Software Foundation; either version 3 of the License, or
   8 # (at your option) any later version.
   9 #
  10 # This program is distributed in the hope that it will be useful,
  11 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 # GNU General Public License for more details.
  14 #
  15 # You should have received a copy of the GNU General Public License
  16 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
  17
  18 if { [skip_btrace_tests] } { return -1 }
  19 if { [skip_shlib_tests]  } { return -1 }
  20
  21 standard_testfile
  22
  23 set basename_lib dlopen-dso
  24 set srcfile_lib $srcdir/$subdir/$basename_lib.c
  25 set binfile_lib [standard_output_file $basename_lib.so]
  26
  27 if { [gdb_compile_shlib $srcfile_lib $binfile_lib \
  28           [list additional_flags=-fPIC]] != "" } {
  29     untested "failed to compile shared library"
  30     return -1
  31 }
  32
  33 if { [prepare_for_testing "failed to prepare" $testfile $srcfile \
  34           [list additional_flags=-DDSO_NAME=\"$binfile_lib\" libs=-ldl]] } {
  35     return -1
  36 }
  37
  38 if ![runto_main] {
  39     return 0
  40 }
  41
  42 # Trace the test function
  43 #
  44 gdb_test_no_output "record btrace"
  45 gdb_test "next"
  46
  47 # The memory containing the library call we traced is already gone.
  48 # Trace decode used to run into a SEGV after corrupting the cleanup chain.
  49 #
  50 # The test passes if we don't crash GDB.
  51 #
  52 gdb_test "info record"