1 # Copyright 1999, 2001, 2004, 2007-2012 Free Software Foundation, Inc.
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.
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.
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/>.
18 # test only on a remote target board
19 if {! [is_remote target]} {
24 set srcfile ${testfile}.c
25 set binfile ${objdir}/${subdir}/${testfile}
29 set result [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}]
30 if {$result != "" } then {
37 # Part ONE: Check the down load commands
40 gdb_test "show remote memory-write-packet-size" \
41 "The memory-write-packet-size is 0. Packets are limited to \[0-9\]+ bytes." \
42 "write-packet default"
44 gdb_test "set remote memory-write-packet-size" \
45 "Argument required .integer, `fixed' or `limited'.\." \
46 "set write-packet - NULL"
48 gdb_test_no_output "set remote memory-write-packet-size 20"
49 gdb_test "show remote memory-write-packet-size" \
50 "The memory-write-packet-size is 20. Packets are limited to 20 bytes." \
51 "set write-packet - small"
53 gdb_test_no_output "set remote memory-write-packet-size 1"
54 gdb_test "show remote memory-write-packet-size" \
55 "The memory-write-packet-size is 1. Packets are limited to 20 bytes." \
56 "set write-packet - very-small"
59 # Part TWO: Check the download behavour
62 proc gdb_load_timed {executable class writesize} {
63 global test gdb_prompt
64 set test "timed download `[file tail $executable]' - $class, $writesize"
66 if {$writesize != ""} then {
67 gdb_test_no_output "set remote memory-write-packet-size $writesize" \
68 "$test - set packet size"
70 send_gdb "set remote memory-write-packet-size $class\n"
72 -re ".*Change the packet size.*$" {
75 -re ".*$gdb_prompt $" {
76 pass "$test - set write size class"
79 fail "$test - set write size class"
84 -re ".*$gdb_prompt $" { }
86 fail "$test - set write size class"
92 # Do not try to load using fixed sizes; we may overflow the remote target.
93 if { $class == "fixed" } {
97 set load_begin_time [clock clicks]
98 set result [gdb_load $executable]
99 set load_end_time [clock clicks]
100 if { $result != 0 } then {
101 fail "$test - loading executable"
104 verbose "$test - time [expr ($load_end_time - $load_begin_time) / 1000] ms"
108 # Typically about 400-1 bytes can be downloaded
109 gdb_load_timed $binfile "limit" 398
110 gdb_load_timed $binfile "limit" 400
112 # Absolute max is 16384
113 gdb_load_timed $binfile "fixed" 0
114 gdb_load_timed $binfile "fixed" 16385
116 # fall back to the default
117 gdb_load_timed $binfile "limit" 0
119 # Get size of data uploaded
122 # Query GDB for the size of various types
125 # Get the size of random_data table (defaults to 48K).
126 set sizeof_random_data [get_sizeof "random_data" 48*1024]
129 # Part THREE: Check the upload behavour
131 if ![runto_main] then {
132 fail "Cannot run to main"
135 # Carefully check memory around each of the most common packet edge
138 gdb_test "x/8ub random_data" \
139 "<random_data>:\[ \t\]+60\[ \t\]+74\[ \t\]+216\[ \t\]+38\[ \t\]+149\[ \t\]+49\[ \t\]+207\[ \t\]+44"
141 gdb_test "x/8ub random_data + 400 - 4" \
142 "<random_data\\+396>:\[ \t\]+185\[ \t\]+255\[ \t\]+50\[ \t\]+140\[ \t\]+237\[ \t\]+172\[ \t\]+143\[ \t\]+93"
144 if {$sizeof_random_data > 16380 } then {
145 gdb_test "x/8ub random_data + 16384 - 4" \
146 "<random_data\\+16380>:\[ \t\]+178\[ \t\]+180\[ \t\]+135\[ \t\]+93\[ \t\]+70\[ \t\]+62\[ \t\]+205\[ \t\]+76"
149 # Read a chunk just larger than the packet size (reduce the packet
150 # size to make life easier)
151 gdb_test_no_output "set remote memory-read-packet-size 16"
153 gdb_test "show remote memory-read-packet-size" \
154 "The memory-read-packet-size is 16. Packets are limited to 20 bytes."
155 gdb_test "x/17ub random_data" \
156 "<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"