| 1 | # Copyright 1999-2016 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 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 | |
| 17 | |
| 18 | # test only on a remote target board |
| 19 | if {! [is_remote target]} { |
| 20 | return |
| 21 | } |
| 22 | |
| 23 | standard_testfile .c |
| 24 | |
| 25 | gdb_start |
| 26 | |
| 27 | set result [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] |
| 28 | if {$result != "" } then { |
| 29 | untested remote.exp |
| 30 | return -1 |
| 31 | } |
| 32 | |
| 33 | |
| 34 | # |
| 35 | # Part ONE: Check the down load commands |
| 36 | # |
| 37 | |
| 38 | gdb_test "show remote memory-write-packet-size" \ |
| 39 | "The memory-write-packet-size is 0. Packets are limited to \[0-9\]+ bytes." \ |
| 40 | "write-packet default" |
| 41 | |
| 42 | gdb_test "set remote memory-write-packet-size" \ |
| 43 | "Argument required .integer, `fixed' or `limited'.\." \ |
| 44 | "set write-packet - NULL" |
| 45 | |
| 46 | gdb_test_no_output "set remote memory-write-packet-size 20" |
| 47 | gdb_test "show remote memory-write-packet-size" \ |
| 48 | "The memory-write-packet-size is 20. Packets are limited to 20 bytes." \ |
| 49 | "set write-packet - small" |
| 50 | |
| 51 | gdb_test_no_output "set remote memory-write-packet-size 1" |
| 52 | gdb_test "show remote memory-write-packet-size" \ |
| 53 | "The memory-write-packet-size is 1. Packets are limited to 20 bytes." \ |
| 54 | "set write-packet - very-small" |
| 55 | |
| 56 | # |
| 57 | # Part TWO: Check the download behavour |
| 58 | # |
| 59 | |
| 60 | proc gdb_load_timed {executable class writesize} { |
| 61 | global test gdb_prompt |
| 62 | set test "timed download `[file tail $executable]' - $class, $writesize" |
| 63 | |
| 64 | if {$writesize != ""} then { |
| 65 | gdb_test_no_output "set remote memory-write-packet-size $writesize" \ |
| 66 | "$test - set packet size" |
| 67 | |
| 68 | send_gdb "set remote memory-write-packet-size $class\n" |
| 69 | gdb_expect 5 { |
| 70 | -re ".*Change the packet size.*$" { |
| 71 | send_gdb "y\n" |
| 72 | gdb_expect 5 { |
| 73 | -re ".*$gdb_prompt $" { |
| 74 | pass "$test - set write size class" |
| 75 | } |
| 76 | timeout { |
| 77 | fail "$test - set write size class" |
| 78 | return |
| 79 | } |
| 80 | } |
| 81 | } |
| 82 | -re ".*$gdb_prompt $" { } |
| 83 | timeout { |
| 84 | fail "$test - set write size class" |
| 85 | return |
| 86 | } |
| 87 | } |
| 88 | } |
| 89 | |
| 90 | # Do not try to load using fixed sizes; we may overflow the remote target. |
| 91 | if { $class == "fixed" } { |
| 92 | return |
| 93 | } |
| 94 | |
| 95 | set load_begin_time [clock clicks] |
| 96 | set result [gdb_load $executable] |
| 97 | set load_end_time [clock clicks] |
| 98 | if { $result != 0 } then { |
| 99 | fail "$test - loading executable" |
| 100 | return |
| 101 | } |
| 102 | verbose "$test - time [expr ($load_end_time - $load_begin_time) / 1000] ms" |
| 103 | pass $test |
| 104 | } |
| 105 | |
| 106 | # Typically about 400-1 bytes can be downloaded |
| 107 | gdb_load_timed $binfile "limit" 398 |
| 108 | gdb_load_timed $binfile "limit" 400 |
| 109 | |
| 110 | # Absolute max is 16384 |
| 111 | gdb_load_timed $binfile "fixed" 0 |
| 112 | gdb_load_timed $binfile "fixed" 16385 |
| 113 | |
| 114 | # fall back to the default |
| 115 | gdb_load_timed $binfile "limit" 0 |
| 116 | |
| 117 | # Get size of data uploaded |
| 118 | |
| 119 | # |
| 120 | # Query GDB for the size of various types |
| 121 | # |
| 122 | |
| 123 | # Get the size of random_data table (defaults to 48K). |
| 124 | set sizeof_random_data [get_sizeof "random_data" 48*1024] |
| 125 | |
| 126 | # |
| 127 | # Part THREE: Check the upload behavour |
| 128 | # |
| 129 | if ![runto_main] then { |
| 130 | fail "cannot run to main" |
| 131 | } |
| 132 | |
| 133 | # Carefully check memory around each of the most common packet edge |
| 134 | # conditions |
| 135 | |
| 136 | gdb_test "x/8ub random_data" \ |
| 137 | "<random_data>:\[ \t\]+60\[ \t\]+74\[ \t\]+216\[ \t\]+38\[ \t\]+149\[ \t\]+49\[ \t\]+207\[ \t\]+44" |
| 138 | |
| 139 | gdb_test "x/8ub random_data + 400 - 4" \ |
| 140 | "<random_data\\+396>:\[ \t\]+185\[ \t\]+255\[ \t\]+50\[ \t\]+140\[ \t\]+237\[ \t\]+172\[ \t\]+143\[ \t\]+93" |
| 141 | |
| 142 | if {$sizeof_random_data > 16380 } then { |
| 143 | gdb_test "x/8ub random_data + 16384 - 4" \ |
| 144 | "<random_data\\+16380>:\[ \t\]+178\[ \t\]+180\[ \t\]+135\[ \t\]+93\[ \t\]+70\[ \t\]+62\[ \t\]+205\[ \t\]+76" |
| 145 | } |
| 146 | |
| 147 | # Read a chunk just larger than the packet size (reduce the packet |
| 148 | # size to make life easier) |
| 149 | gdb_test_no_output "set remote memory-read-packet-size 16" |
| 150 | |
| 151 | gdb_test "show remote memory-read-packet-size" \ |
| 152 | "The memory-read-packet-size is 16. Packets are limited to 20 bytes." |
| 153 | gdb_test "x/17ub random_data" \ |
| 154 | "<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" |
| 155 | |
| 156 | # Regression test for gdb/15289. Make sure -1 is accepted and handled |
| 157 | # as "unlimited". |
| 158 | gdb_test_no_output "set remote hardware-watchpoint-limit -1" |
| 159 | gdb_test_no_output "set remote hardware-breakpoint-limit -1" |
| 160 | |
| 161 | # This is just being thorough. Assume (at least) a 32-bit host int, |
| 162 | # and make sure 32-bit INT_MAX is accepted by a zinteger command. |
| 163 | gdb_test_no_output "set remote hardware-watchpoint-limit 2147483647" |
| 164 | gdb_test_no_output "set remote hardware-breakpoint-limit 2147483647" |
| 165 | |
| 166 | gdb_exit |