gdb/testsuite/gdb.base/branch-to-self.exp

   1 # This testcase is part of GDB, the GNU debugger.
   2 #
   3 # Copyright 2016-2019 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 [target_info exists gdb,nosignals] {
  19     verbose "Skipping branch-to-self.exp because of nosignals."
  20     continue
  21 }
  22
  23 standard_testfile
  24
  25 if { [build_executable ${testfile}.exp ${testfile} $srcfile {debug}] == -1 } {
  26     return -1
  27 }
  28
  29 with_test_prefix "single-step" {
  30     global testfile
  31
  32     clean_restart ${testfile}
  33     if ![runto_main] {
  34         return -1
  35     }
  36     set line_num [gdb_get_line_number "loop-line" ${testfile}.c]
  37
  38     gdb_test "break ${testfile}.c:${line_num}" "Breakpoint .*" \
  39         "set breakpoint"
  40     gdb_continue_to_breakpoint "hit breakpoint"
  41     gdb_test "si" ".*${testfile}.c:${line_num}.*"
  42 }
  43
  44 with_test_prefix "break-cond" {
  45     global testfile
  46
  47     foreach_with_prefix side {"host" "target"} {
  48
  49         clean_restart ${testfile}
  50
  51         if ![runto_main] {
  52             return -1
  53         }
  54
  55         set test "set breakpoint condition-evaluation $side"
  56         gdb_test_multiple $test $test {
  57             -re "warning: Target does not support breakpoint condition evaluation.\r\nUsing host evaluation mode instead.\r\n$gdb_prompt $" {
  58                 # Target doesn't support breakpoint condition
  59                 # evaluation on its side.  Skip the test.
  60                 continue
  61             }
  62             -re "^$test\r\n$gdb_prompt $" {
  63             }
  64         }
  65
  66         set line_num [gdb_get_line_number "loop-line" ${testfile}.c]
  67         gdb_test "break ${testfile}.c:${line_num} if counter > 3" \
  68             "Breakpoint .*" "set breakpoint with condition"
  69
  70         gdb_continue_to_breakpoint "continue to break"
  71
  72         gdb_test "p counter" ".* = 5"
  73     }
  74 }