gdb/testsuite/gdb.dwarf2/dw2-undefined-ret-addr.exp

   1 # Copyright 2013-2021 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 load_lib dwarf.exp
  16
  17 standard_testfile .S
  18
  19 # This test can only be run on targets which support DWARF-2 and use gas.
  20 if ![dwarf2_support] {
  21     return 0
  22 }
  23
  24 # This test can only be run on x86-64 targets.
  25 if {![istarget x86_64-*] || ![is_lp64_target]} {
  26     return 0
  27 }
  28
  29 if {[prepare_for_testing "failed to prepare" "$testfile" $srcfile {nodebug nopie}]} {
  30     return -1
  31 }
  32
  33 if ![runto "stop_frame"] {
  34     return -1
  35 }
  36
  37 # stop_frame should be the outermost frame.
  38
  39 # Check that backtrace shows only frame #0.
  40 gdb_test "bt" "#0\[ \]\+stop_frame \[^\r\n\]\+"
  41
  42 # And that "up" doesn't work.
  43 gdb_test "up" \
  44     "Initial frame selected; you cannot go up\\." \
  45     "up refuses to go up"
  46
  47 # "info frame" unwinds the PC for "saved ... = ".  Make sure that
  48 # doesn't cause an error, and shows "<not saved>".
  49 gdb_test "info frame" [multi_line \
  50     "Stack level 0, frame at $hex\:" \
  51     " rip = $hex in stop_frame \\(dw2-undefined-ret-addr\\.c:22\\); saved rip = <not saved>" \
  52     " Outermost frame: outermost" \
  53     " source language c\\." \
  54     " Arglist at $hex, args\: " \
  55     " Locals at $hex, Previous frame's sp is $hex" \
  56     " Saved registers\:" \
  57     "  rbp at $hex.*" \
  58 ]