| 1 | # Copyright 2016 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 | # Make sure that if an inferior exits or is detached/killed, its |
| 17 | # watchpoints don't end up with stale locations, preventing resumption |
| 18 | # of other inferiors. |
| 19 | |
| 20 | standard_testfile |
| 21 | |
| 22 | if {[build_executable "failed to build" $testfile $srcfile {debug}]} { |
| 23 | return -1 |
| 24 | } |
| 25 | |
| 26 | # The test proper. DISPOSE indicates how to dispose of the fork |
| 27 | # child. Can be either "kill", "detach", or "exit" (to continue it to |
| 28 | # normal exit). |
| 29 | proc do_test {dispose} { |
| 30 | global binfile |
| 31 | |
| 32 | clean_restart $binfile |
| 33 | |
| 34 | gdb_test_no_output "set follow-fork child" |
| 35 | gdb_test_no_output "set detach-on-fork off" |
| 36 | |
| 37 | if ![runto "child_function"] { |
| 38 | fail "can't run to child_function" |
| 39 | return |
| 40 | } |
| 41 | |
| 42 | gdb_test "watch globalvar" "atchpoint \[0-9\]+: globalvar" \ |
| 43 | "set watchpoint on inferior 2" |
| 44 | |
| 45 | # Dispose of the inferior. This should get rid of this inferior's |
| 46 | # watchpoint locations. |
| 47 | if {$dispose == "kill"} { |
| 48 | gdb_test "kill" "" "kill inferior 2" \ |
| 49 | "Kill the program being debugged.*y or n. $" "y" |
| 50 | } elseif {$dispose == "detach"} { |
| 51 | gdb_test "detach" ".*" "detach inferior 2" |
| 52 | } elseif {$dispose == "exit"} { |
| 53 | gdb_test "continue" ".*exited normally.*" "run to exit inferior 2" |
| 54 | } else { |
| 55 | perror "unhandled dispose: $dispose" |
| 56 | } |
| 57 | |
| 58 | gdb_test "inferior 1" "witching to inferior 1 .*" \ |
| 59 | "switch back to inferior 1" |
| 60 | |
| 61 | if {$dispose == "kill"} { |
| 62 | gdb_test "print expect_signaled = 1" " = 1" |
| 63 | } |
| 64 | |
| 65 | gdb_breakpoint "marker" |
| 66 | |
| 67 | # Now continue inferior 1. Before GDB was fixed, watchpoints for |
| 68 | # inferior 2 managed to be left behind. When GDB realized that |
| 69 | # they hadn't been inserted, the continue command was aborted: |
| 70 | # |
| 71 | # (gdb) continue |
| 72 | # Continuing. |
| 73 | # Warning: |
| 74 | # Could not insert hardware watchpoint 2. |
| 75 | # Could not insert hardware breakpoints: |
| 76 | # You may have requested too many hardware breakpoints/watchpoints. |
| 77 | # |
| 78 | # Command aborted. |
| 79 | # (gdb) |
| 80 | # |
| 81 | gdb_test "continue" "Breakpoint \[0-9\]+, marker .*" \ |
| 82 | "continue in inferior 1" |
| 83 | } |
| 84 | |
| 85 | foreach_with_prefix dispose {"kill" "detach" "exit"} { |
| 86 | do_test $dispose |
| 87 | } |