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1 | # Copyright (C) 2011-2022 Free Software Foundation, Inc. |
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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 { } { |
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27 | global GDB |
28 | global INTERNAL_GDBFLAGS GDBFLAGS |
29 | global gdb_prompt |
30 | global gdb_prompt_fail |
31 | global timeout |
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32 | global gdb_spawn_id |
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33 | |
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34 | verbose "Spawning $GDB $INTERNAL_GDBFLAGS $GDBFLAGS" |
35 | |
36 | if [info exists gdb_spawn_id] { |
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37 | return 0 |
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38 | } |
39 | |
40 | if ![is_remote host] { |
41 | if { [which $GDB] == 0 } then { |
42 | perror "$GDB does not exist." |
43 | exit 1 |
44 | } |
45 | } |
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46 | set res [remote_spawn host "$GDB $INTERNAL_GDBFLAGS $GDBFLAGS [host_info gdb_opts]"] |
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47 | if { $res < 0 || $res == "" } { |
48 | perror "Spawning $GDB failed." |
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49 | return 1 |
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50 | } |
51 | gdb_expect 360 { |
52 | -re ".*$gdb_prompt_fail.*$gdb_prompt_fail.*" { |
53 | fail "double prompted fail prompt" |
54 | } |
55 | -re ".*$gdb_prompt.*$gdb_prompt.*" { |
56 | fail "double prompted" |
57 | } |
58 | -re "\[\r\n\]$gdb_prompt_fail $" { |
59 | fail "GDB initializing first prompt" |
60 | } |
61 | -re "\[\r\n\]$gdb_prompt $" { |
62 | pass "GDB initializing first prompt" |
63 | } |
64 | -re "$gdb_prompt $" { |
65 | perror "GDB never initialized." |
66 | return -1 |
67 | } |
68 | -re "$gdb_prompt_fail $" { |
69 | perror "GDB never initialized." |
70 | return -1 |
71 | } |
72 | timeout { |
73 | perror "(timeout) GDB never initialized after 10 seconds." |
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74 | remote_close host |
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75 | return -1 |
76 | } |
77 | } |
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78 | set gdb_spawn_id $res |
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79 | return 0 |
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80 | } |
81 | |
82 | # |
83 | # Overridable function. You can override this function in your |
84 | # baseboard file. |
85 | # |
86 | proc prompt_gdb_start { } { |
87 | default_prompt_gdb_start |
88 | } |
89 | |