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6aba47ca 1# Copyright 1988, 1990, 1991, 1992, 1995, 1997, 2007
b6ba6518 2# Free Software Foundation, Inc.
c906108c
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3
4# This program is free software; you can redistribute it and/or modify
5# it under the terms of the GNU General Public License as published by
6# the Free Software Foundation; either version 2 of the License, or
7# (at your option) any later version.
8#
9# This program is distributed in the hope that it will be useful,
10# but WITHOUT ANY WARRANTY; without even the implied warranty of
11# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12# GNU General Public License for more details.
13#
14# You should have received a copy of the GNU General Public License
15# along with this program; if not, write to the Free Software
16# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
17
c906108c
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18# This file was written by Rob Savoye. (rob@cygnus.com)
19
20#
21# load support libraries
22#
23load_lib remote.exp
24load_lib gdb.exp
25
26set shell_prompt "->"
27set gdb_prompt "\\(vxgdb\\)"
28
29#
30# gdb_version -- extract and print the version number of gcc
31#
32proc gdb_version {} {
33 default_gdb_version
34}
35
36#
37# gdb_load -- load a file into the debugger.
38# We have to stop and start gdb each time we do this, because when
39# vxgdb loads two files in a row, the symbols in the first file loaded
40# take precedence. Returns -1 on error, else 0.
41#
42proc gdb_load { arg } {
43 set result 0
44
45 if { [remote_ld target $arg] != 0 } {
46 perror "Couldn't load $arg"
47 return -1
48 }
49
50 return [gdb_file_cmd $arg]
51}
52
53#
54# gdb_start -- start gdb running
55#
56proc gdb_start { } {
57 global gdb_prompt
58 global verbose
59 global connectmode
60 global reboot
61
62 # get a connection to the board
63 for { set x 0; } { $x < 3 } { incr x } {
64 set shell_id [remote_open target]
65 if { $shell_id > 0 } {
66 verbose "Spawn id for remote shell is $shell_id"
67
68 set timeout 10
69 verbose "Timeout is now $timeout seconds" 2
70
71 set state [spawn_vxgdb];
72 if { $state == "pass" } {
73 return 0;
74 }
75 if { $state == "fail" } {
76 return -1;
77 }
78 }
79 remote_reboot target;
80 }
81}
82
83proc spawn_vxgdb { } {
84 global gdb_prompt
85
86 default_gdb_start
87
88 # set the default arguments to "main", so that "run" with no
89 # arguments will work correctly.
90 send_gdb "set args main\n"
91 gdb_expect -re ".*$gdb_prompt $" {}
92
93 verbose "Setting up target, Please wait..."
94 # set targets hostname
95 send_gdb "target vxworks [target_info hostname]\n"
96 set timeout 60
97 verbose "Timeout is now $timeout seconds" 2
98 gdb_expect {
99 -re "Done\..*$gdb_prompt $" {
100 verbose "Set target to [target_info hostname]" 1
101 set timeout 10;
102 return "pass";
103 }
104 -re "net_connect: RPC: (Program not registered|.*Timed out).*$" {
105 warning "Couldn't set GDB to target [target_info netport]."
106 }
107 timeout {
108 warning "Couldn't set target for vxworks."
109 }
110 }
111 return "retry";
112}
113
114proc gdb_exit { } {
115 remote_close target;
116 catch default_gdb_exit
117}
118
119#expect_after {
120# "<return>" { send "\n"; perror "Window too small." }
121# -re "\(y or n\) " { send "n\n"; perror "Got interactive prompt." }
122# buffer_full { perror "internal buffer is full." }
123# eof { perror "eof -- pty is hosed." }
124# timeout { perror "timeout." }
125# "virtual memory exhausted" { perror "virtual memory exhausted." }
126# "Undefined command" { perror "send string probably wrong." }
127#}
128