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1 # Copyright 1999, 2001, 2004, 2007 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 2 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, write to the Free Software
15 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
16
17 # Please email any bugs, comments, and/or additions to this file to:
18 # bug-gdb@prep.ai.mit.edu
19
20 if $tracelevel then {
21 strace $tracelevel
22 }
23
24 set prms_id 0
25 set bug_id 0
26
27
28 # test only on a remote target board
29 if {! [is_remote target]} {
30 return
31 }
32
33 set testfile "remote"
34 set srcfile ${testfile}.c
35 set binfile ${objdir}/${subdir}/${testfile}
36
37 gdb_start
38
39 set result [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}]
40 if {$result != "" } then {
41 untested remote.exp
42 return -1
43 }
44
45
46 #
47 # Part ONE: Check the down load commands
48 #
49
50 gdb_test "show remote memory-write-packet-size" \
51 "The memory-write-packet-size is 0. Packets are limited to \[0-9\]+ bytes." \
52 "write-packet default"
53
54 gdb_test "set remote memory-write-packet-size" \
55 "Argument required .integer, `fixed' or `limited'.\." \
56 "set write-packet - NULL"
57
58 gdb_test "set remote memory-write-packet-size 20" ""
59 gdb_test "show remote memory-write-packet-size" \
60 "The memory-write-packet-size is 20. Packets are limited to 20 bytes." \
61 "set write-packet - small"
62
63 gdb_test "set remote memory-write-packet-size 1" ""
64 gdb_test "show remote memory-write-packet-size" \
65 "The memory-write-packet-size is 1. Packets are limited to 20 bytes." \
66 "set write-packet - very-small"
67
68 #
69 # Part TWO: Check the download behavour
70 #
71
72 proc gdb_load_timed {executable class writesize} {
73 global test gdb_prompt
74 set test "timed download `[file tail $executable]' - $class, $writesize"
75
76 if {$writesize != ""} then {
77 gdb_test "set remote memory-write-packet-size $writesize" \
78 "" "$test - set packet size"
79
80 send_gdb "set remote memory-write-packet-size $class\n"
81 gdb_expect 5 {
82 -re ".*Change the packet size.*$" {
83 send_gdb "y\n"
84 gdb_expect 5 {
85 -re ".*$gdb_prompt $" {
86 pass "$test - set write size class"
87 }
88 timeout {
89 fail "$test - set write size class"
90 return
91 }
92 }
93 }
94 -re ".*$gdb_prompt $" { }
95 timeout {
96 fail "$test - set write size class"
97 return
98 }
99 }
100 }
101
102 set load_begin_time [clock clicks]
103 set result [gdb_load $executable]
104 set load_end_time [clock clicks]
105 if { $result != 0 } then {
106 fail "$test - loading executable"
107 return
108 }
109 verbose "$test - time [expr ($load_end_time - $load_begin_time) / 1000] ms"
110 pass $test
111 }
112
113 gdb_load_timed $binfile "" {}
114
115 # Typically about 400-1 bytes can be downloaded
116 gdb_load_timed $binfile "limit" 398
117 gdb_load_timed $binfile "limit" 400
118
119 # Absolute max is 16384
120 gdb_load_timed $binfile "fixed" 0
121 gdb_load_timed $binfile "fixed" 16385
122
123 # fall back to the default
124 gdb_load_timed $binfile "limit" 0
125
126 # Get size of data uploaded
127
128 #
129 # Query GDB for the size of various types
130 #
131
132 proc get_sizeof { type default } {
133 global gdb_prompt
134 send_gdb "print/d sizeof (${type})\n"
135 gdb_expect {
136 -re "\\$\[0-9\]* = (\[0-9\]*).*$gdb_prompt $" {
137 set size $expect_out(1,string)
138 pass "get sizeof ${type} ($size)"
139 }
140 timeout {
141 set size ${default}
142 fail "get sizeof ${type} (timeout)"
143 }
144 }
145 return ${size}
146 }
147
148 # Get the size of random_data table (defaults to 48K).
149 set sizeof_random_data [get_sizeof "random_data" 48*1024]
150
151 #
152 # Part THREE: Check the upload behavour
153 #
154 if ![runto_main] then {
155 fail "Cannot run to main"
156 }
157
158 # Carefully check memory around each of the most common packet edge
159 # conditions
160
161 gdb_test "x/8ub random_data" \
162 "<random_data>:\[ \t\]+60\[ \t\]+74\[ \t\]+216\[ \t\]+38\[ \t\]+149\[ \t\]+49\[ \t\]+207\[ \t\]+44"
163
164 gdb_test "x/8ub random_data + 400 - 4" \
165 "<random_data\\+396>:\[ \t\]+185\[ \t\]+255\[ \t\]+50\[ \t\]+140\[ \t\]+237\[ \t\]+172\[ \t\]+143\[ \t\]+93"
166
167 if {$sizeof_random_data > 16380 } then {
168 gdb_test "x/8ub random_data + 16384 - 4" \
169 "<random_data\\+16380>:\[ \t\]+178\[ \t\]+180\[ \t\]+135\[ \t\]+93\[ \t\]+70\[ \t\]+62\[ \t\]+205\[ \t\]+76"
170 }
171
172 # Read a chunk just larger than the packet size (reduce the packet
173 # size to make life easier)
174 gdb_test "set remote memory-read-packet-size 16" \
175 ""
176 gdb_test "show remote memory-read-packet-size" \
177 "The memory-read-packet-size is 16. Packets are limited to 20 bytes."
178 gdb_test "x/17ub random_data" \
179 "<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"
180
181 gdb_exit