gdb/testsuite/gdb.go/global-local-var-shadow.exp

   1 # This testcase is part of GDB, the GNU debugger.
   2
   3 # Copyright 2012-2020 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 # Basic tests.
  19
  20 load_lib "go.exp"
  21
  22 if { [skip_go_tests] } { continue }
  23 if { [support_go_compile] == 0 } { continue }
  24
  25 standard_testfile .go
  26
  27 if { [prepare_for_testing "failed to prepare" ${testfile} ${srcfile} {debug go}] } {
  28     return -1
  29 }
  30
  31 set bp_location1 [gdb_get_line_number "set breakpoint 1 here"]
  32
  33 if { [go_runto_main] < 0 } {
  34     untested "could not run to main"
  35     return -1
  36 }
  37
  38 gdb_test_multiple "print st" "print global var st" {
  39     -re -wrap " = $hex \"We shall\"" {
  40        pass $gdb_test_name
  41     }
  42     -re -wrap " = $hex .*" {
  43        # GCC PR 93844 (Same problem with google go compiler go1.11.13).
  44        # Due to the PR, gdb prints an uninitialized value, which can manifest
  45        # as '$3 = 0x0 ""', but also as printing a wild pointer.
  46        xfail $gdb_test_name
  47     }
  48 }
  49
  50 if { [gdb_breakpoint ${srcfile}:${bp_location1}] } {
  51     pass "setting breakpoint 1"
  52 }
  53
  54 gdb_test "cont" "Breakpoint .*:${bp_location1}.*" "going to first breakpoint"
  55
  56 gdb_test "print st" \
  57     ".* = $hex \"Hello, world!\"" \
  58     "string after assignment check"