blob: 4794c34618c86b81f0c4f887565b2238cea2a328 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
|
# Copyright 1999-2019 Free Software Foundation, Inc.
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
# Test only on boards that actually use the remote protocol.
if {[target_info gdb_protocol] != "remote"
&& [target_info gdb_protocol] != "extended-remote"} {
return
}
standard_testfile .c
set result [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}]
if {$result != "" } then {
untested "failed to compile"
return -1
}
gdb_start
# Make sure we're disconnected, in case we're testing with an
# extended-remote board, therefore already connected.
gdb_test "disconnect" ".*"
#
# Part ONE: Check the down load commands
#
gdb_test "show remote memory-write-packet-size" \
"The memory-write-packet-size is 0 \\(default\\). The actual limit will be further reduced dependent on the target\." \
"write-packet default"
gdb_test "set remote memory-write-packet-size" \
"Argument required .integer, `fixed' or `limited'.\." \
"set write-packet - NULL"
gdb_test_no_output "set remote memory-write-packet-size 20"
gdb_test "show remote memory-write-packet-size" \
"The memory-write-packet-size is 20. The actual limit will be further reduced dependent on the target\." \
"set write-packet - small"
gdb_test_no_output "set remote memory-write-packet-size 1"
gdb_test "show remote memory-write-packet-size" \
"The memory-write-packet-size is 1. The actual limit will be further reduced dependent on the target\." \
"set write-packet - very-small"
gdb_test_no_output "set remote memory-write-packet-size 0"
gdb_test "show remote memory-write-packet-size" \
"The memory-write-packet-size is 0 \\(default\\). The actual limit will be further reduced dependent on the target\." \
"write-packet default again"
set test "set remote memory-write-packet-size fixed"
gdb_test_multiple $test $test {
-re "Change the packet size. .y or n. " {
gdb_test_multiple "y" $test {
-re "$gdb_prompt $" {
pass $test
}
}
}
}
gdb_test "show remote memory-write-packet-size" \
"The memory-write-packet-size is 0 \\(default\\). Packets are fixed at 16384 bytes\." \
"write-packet default fixed"
gdb_test_no_output "set remote memory-write-packet-size limit"
gdb_test "show remote memory-write-packet-size" \
"The memory-write-packet-size is 0 \\(default\\). The actual limit will be further reduced dependent on the target\." \
"write-packet default limit again"
#
# Part TWO: Check the download behavior.
#
proc gdb_load_timed {executable class writesize} {
global test gdb_prompt
set test "timed download `[file tail $executable]' - $class, $writesize"
if {$writesize != ""} then {
gdb_test_no_output "set remote memory-write-packet-size $writesize" \
"$test - set packet size"
send_gdb "set remote memory-write-packet-size $class\n"
gdb_expect 5 {
-re ".*Change the packet size.*$" {
send_gdb "y\n"
gdb_expect 5 {
-re ".*$gdb_prompt $" {
pass "$test - set write size class"
}
timeout {
fail "$test - set write size class"
return
}
}
}
-re ".*$gdb_prompt $" { }
timeout {
fail "$test - set write size class"
return
}
}
}
# Do not try to load using fixed sizes; we may overflow the remote target.
if { $class == "fixed" } {
return
}
set load_begin_time [clock clicks]
set result [gdb_load $executable]
set load_end_time [clock clicks]
if { $result != 0 } then {
fail "$test - loading executable"
return
}
verbose "$test - time [expr ($load_end_time - $load_begin_time) / 1000] ms"
pass $test
}
clean_restart $binfile
# These download tests won't actually download anything on !is_remote
# target boards, but we run them anyway because it's simpler, and
# harmless.
# Typically about 400-1 bytes can be downloaded
gdb_load_timed $binfile "limit" 398
gdb_load_timed $binfile "limit" 400
# Absolute max is 16384
gdb_load_timed $binfile "fixed" 0
gdb_load_timed $binfile "fixed" 16385
# fall back to the default
gdb_load_timed $binfile "limit" 0
# Get size of data uploaded
#
# Query GDB for the size of various types
#
# Get the size of random_data table (defaults to 48K).
set sizeof_random_data [get_sizeof "random_data" 48*1024]
#
# Part THREE: Check the upload behavour
#
if ![runto_main] then {
fail "cannot run to main"
return
}
# Carefully check memory around each of the most common packet edge
# conditions
gdb_test "x/8ub random_data" \
"<random_data>:\[ \t\]+60\[ \t\]+74\[ \t\]+216\[ \t\]+38\[ \t\]+149\[ \t\]+49\[ \t\]+207\[ \t\]+44"
gdb_test "x/8ub random_data + 400 - 4" \
"<random_data\\+396>:\[ \t\]+185\[ \t\]+255\[ \t\]+50\[ \t\]+140\[ \t\]+237\[ \t\]+172\[ \t\]+143\[ \t\]+93"
if {$sizeof_random_data > 16380 } then {
gdb_test "x/8ub random_data + 16384 - 4" \
"<random_data\\+16380>:\[ \t\]+178\[ \t\]+180\[ \t\]+135\[ \t\]+93\[ \t\]+70\[ \t\]+62\[ \t\]+205\[ \t\]+76"
}
# Read a chunk just larger than the packet size (reduce the packet
# size to make life easier)
gdb_test_no_output "set remote memory-read-packet-size 16"
gdb_test "show remote memory-read-packet-size" \
"The memory-read-packet-size is 16. Packets are limited to 20 bytes."
gdb_test "x/17ub random_data" \
"<random_data>:\[ \t\]+60\[ \t\]+74\[ \t\]+216\[ \t\]+38\[ \t\]+149\[ \t\]+49\[ \t\]+207\[ \t\]+44.*<random_data\\+8>:\[ \t\]+124\[ \t\]+38\[ \t\]+93\[ \t\]+125\[ \t\]+232\[ \t\]+67\[ \t\]+228\[ \t\]+56.*<random_data\\+16>:\[ \t\]+161"
# Regression test for gdb/15289. Make sure -1 is accepted and handled
# as "unlimited".
gdb_test_no_output "set remote hardware-watchpoint-limit -1"
gdb_test_no_output "set remote hardware-breakpoint-limit -1"
# This is just being thorough. Assume (at least) a 32-bit host int,
# and make sure 32-bit INT_MAX is accepted by a zinteger command.
gdb_test_no_output "set remote hardware-watchpoint-limit 2147483647"
gdb_test_no_output "set remote hardware-breakpoint-limit 2147483647"
gdb_exit
|
