| 1 | # Copyright (C) 2011-2019 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 | # Specialized subroutines for launching gdb and testing the very first prompt. |
| 17 | |
| 18 | |
| 19 | # |
| 20 | # start gdb -- start gdb running, prompt procedure |
| 21 | # this procedure differs from the default in that you must pass 'set height 0', |
| 22 | # and 'set width 0', yourself in GDBFLAGS, and it has a gdb_prompt_fail variable, |
| 23 | # |
| 24 | # uses pass if it sees $gdb_prompt, and fail if it sees $gdb_prompt_fail. |
| 25 | # |
| 26 | proc default_prompt_gdb_start { } { |
| 27 | global verbose |
| 28 | global GDB |
| 29 | global INTERNAL_GDBFLAGS GDBFLAGS |
| 30 | global gdb_prompt |
| 31 | global gdb_prompt_fail |
| 32 | global timeout |
| 33 | global gdb_spawn_id |
| 34 | |
| 35 | gdb_stop_suppressing_tests |
| 36 | |
| 37 | verbose "Spawning $GDB $INTERNAL_GDBFLAGS $GDBFLAGS" |
| 38 | |
| 39 | if [info exists gdb_spawn_id] { |
| 40 | return 0 |
| 41 | } |
| 42 | |
| 43 | if ![is_remote host] { |
| 44 | if { [which $GDB] == 0 } then { |
| 45 | perror "$GDB does not exist." |
| 46 | exit 1 |
| 47 | } |
| 48 | } |
| 49 | set res [remote_spawn host "$GDB $INTERNAL_GDBFLAGS $GDBFLAGS [host_info gdb_opts]"] |
| 50 | if { $res < 0 || $res == "" } { |
| 51 | perror "Spawning $GDB failed." |
| 52 | return 1 |
| 53 | } |
| 54 | gdb_expect 360 { |
| 55 | -re ".*$gdb_prompt_fail.*$gdb_prompt_fail.*" { |
| 56 | fail "double prompted fail prompt" |
| 57 | } |
| 58 | -re ".*$gdb_prompt.*$gdb_prompt.*" { |
| 59 | fail "double prompted" |
| 60 | } |
| 61 | -re "\[\r\n\]$gdb_prompt_fail $" { |
| 62 | fail "GDB initializing first prompt" |
| 63 | } |
| 64 | -re "\[\r\n\]$gdb_prompt $" { |
| 65 | pass "GDB initializing first prompt" |
| 66 | } |
| 67 | -re "$gdb_prompt $" { |
| 68 | perror "GDB never initialized." |
| 69 | return -1 |
| 70 | } |
| 71 | -re "$gdb_prompt_fail $" { |
| 72 | perror "GDB never initialized." |
| 73 | return -1 |
| 74 | } |
| 75 | timeout { |
| 76 | perror "(timeout) GDB never initialized after 10 seconds." |
| 77 | remote_close host |
| 78 | return -1 |
| 79 | } |
| 80 | } |
| 81 | set gdb_spawn_id $res |
| 82 | return 0 |
| 83 | } |
| 84 | |
| 85 | # |
| 86 | # Overridable function. You can override this function in your |
| 87 | # baseboard file. |
| 88 | # |
| 89 | proc prompt_gdb_start { } { |
| 90 | default_prompt_gdb_start |
| 91 | } |
| 92 | |