gdb/testsuite/gdb.threads/tls-so_extern.exp

   1 # Copyright 2003-2019 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 # tls-so_extern.exp -- Expect script to test thread local storage in gdb, with
  17 # a variable defined in a shared library.
  18
  19 standard_testfile tls-so_extern_main.c
  20 set libfile tls-so_extern
  21 set srcfile_lib ${libfile}.c
  22 set binfile_lib [standard_output_file ${libfile}.so]
  23
  24
  25 # get the value of gcc_compiled
  26 if [get_compiler_info] {
  27     return -1
  28 }
  29
  30
  31 if { [gdb_compile_shlib_pthreads ${srcdir}/${subdir}/${srcfile_lib} ${binfile_lib} {debug}] != ""
  32      || [gdb_compile_pthreads ${srcdir}/${subdir}/${srcfile} ${binfile} executable [list debug shlib=${binfile_lib}]] != ""} {
  33     return -1
  34 }
  35
  36
  37 clean_restart ${binfile}
  38 gdb_load_shlib ${binfile_lib}
  39
  40 if ![runto_main] then {
  41     fail "can't run to main"
  42     return 0
  43 }
  44
  45 gdb_test "print so_extern" "0x0" "print thread local storage variable"
  46
  47 gdb_test "ptype so_extern" "void \\*" "ptype of thread local storage variable"
  48
  49 gdb_test "info address so_extern" \
  50         "Symbol \\\"so_extern\\\" is a thread-local variable at offset 0x0 in the thread-local storage for .*tls-so_extern.*" \
  51         "print storage info for thread local storage variable"
  52
  53 set line_number [gdb_get_line_number "break here to check result"]
  54
  55 gdb_test "break $line_number" \
  56         "Breakpoint.*at.*file.*tls-so_extern_main.c.*line ${line_number}." \
  57         "break in thread function"
  58 gdb_test "continue" \
  59         "tls_ptr .* at .*:.*break here to check result.*" \
  60         "continue to break in tls_ptr called by main"
  61 gdb_test "print so_extern == &so_extern" \
  62          " = 1" \
  63         "check so_extern address in main"
  64 gdb_test "continue" \
  65         "tls_ptr .* at .*:.*break here to check result.*" \
  66         "continue to break in a thread"
  67 gdb_test "print so_extern == &so_extern" \
  68          " = 1" \
  69         "check so_extern address"
  70 gdb_test "continue" \
  71         "tls_ptr .* at .*:.*break here to check result.*" \
  72         "continue to break in the other thread"
  73 gdb_test "print so_extern == &so_extern" \
  74          " = 1" \
  75         "check so_extern address in other thread"
  76 gdb_test "continue" \
  77         "tls_ptr .* at .*:.*break here to check result.*" \
  78         "continue to break in tls_ptr called at end of main"
  79 gdb_test "print so_extern == &so_extern" \
  80          " = 1" \
  81         "check so_extern address at end of main"