gdb/testsuite/gdb.base/remote.exp

   1 # Copyright 1999, 2001, 2004, 2007, 2008, 2009, 2010, 2011
   2 # Free Software Foundation, Inc.
   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 3 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, see <http://www.gnu.org/licenses/>.
  16
  17 if $tracelevel then {
  18     strace $tracelevel
  19 }
  20
  21
  22
  23 # test only on a remote target board
  24 if {! [is_remote target]} {
  25     return
  26 }
  27
  28 set testfile "remote"
  29 set srcfile ${testfile}.c
  30 set binfile ${objdir}/${subdir}/${testfile}
  31
  32 gdb_start
  33
  34 set result [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}]
  35 if {$result != "" } then {
  36     untested remote.exp
  37     return -1
  38 }
  39
  40
  41 #
  42 # Part ONE: Check the down load commands
  43 #
  44
  45 gdb_test "show remote memory-write-packet-size" \
  46         "The memory-write-packet-size is 0. Packets are limited to \[0-9\]+ bytes." \
  47         "write-packet default"
  48
  49 gdb_test "set remote memory-write-packet-size" \
  50         "Argument required .integer, `fixed' or `limited'.\." \
  51         "set write-packet - NULL"
  52
  53 gdb_test_no_output "set remote memory-write-packet-size 20"
  54 gdb_test "show remote memory-write-packet-size" \
  55         "The memory-write-packet-size is 20. Packets are limited to 20 bytes." \
  56         "set write-packet - small"
  57
  58 gdb_test_no_output "set remote memory-write-packet-size 1"
  59 gdb_test "show remote memory-write-packet-size" \
  60         "The memory-write-packet-size is 1. Packets are limited to 20 bytes." \
  61         "set write-packet - very-small"
  62
  63 #
  64 # Part TWO: Check the download behavour
  65 #
  66
  67 proc gdb_load_timed {executable class writesize} {
  68     global test gdb_prompt
  69     set test "timed download `[file tail $executable]' - $class, $writesize"
  70
  71     if {$writesize != ""} then {
  72         gdb_test_no_output "set remote memory-write-packet-size $writesize" \
  73             "$test - set packet size"
  74
  75         send_gdb "set remote memory-write-packet-size $class\n"
  76         gdb_expect 5 {
  77             -re ".*Change the packet size.*$" {
  78                 send_gdb "y\n"
  79                 gdb_expect 5 {
  80                     -re ".*$gdb_prompt $" {
  81                         pass "$test - set write size class"
  82                     }
  83                     timeout {
  84                         fail "$test - set write size class"
  85                         return
  86                     }
  87                 }
  88             }
  89             -re ".*$gdb_prompt $" { }
  90             timeout {
  91                 fail "$test - set write size class"
  92                 return
  93             }
  94         }
  95     }
  96
  97     # Do not try to load using fixed sizes; we may overflow the remote target.
  98     if { $class == "fixed" } {
  99         return
 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 # Typically about 400-1 bytes can be downloaded
 114 gdb_load_timed $binfile "limit" 398
 115 gdb_load_timed $binfile "limit" 400
 116
 117 # Absolute max is 16384
 118 gdb_load_timed $binfile "fixed" 0
 119 gdb_load_timed $binfile "fixed" 16385
 120
 121 # fall back to the default
 122 gdb_load_timed $binfile "limit" 0
 123
 124 # Get size of data uploaded
 125
 126 #
 127 # Query GDB for the size of various types
 128 #
 129
 130 # Get the size of random_data table (defaults to 48K).
 131 set sizeof_random_data [get_sizeof "random_data" 48*1024]
 132
 133 #
 134 # Part THREE: Check the upload behavour
 135 #
 136 if ![runto_main] then {
 137     fail "Cannot run to main"
 138 }
 139
 140 # Carefully check memory around each of the most common packet edge
 141 # conditions
 142
 143 gdb_test "x/8ub random_data" \
 144         "<random_data>:\[ \t\]+60\[ \t\]+74\[ \t\]+216\[ \t\]+38\[ \t\]+149\[ \t\]+49\[ \t\]+207\[ \t\]+44"
 145
 146 gdb_test "x/8ub random_data + 400 - 4" \
 147         "<random_data\\+396>:\[ \t\]+185\[ \t\]+255\[ \t\]+50\[ \t\]+140\[ \t\]+237\[ \t\]+172\[ \t\]+143\[ \t\]+93"
 148
 149 if {$sizeof_random_data > 16380 } then {
 150     gdb_test "x/8ub random_data + 16384 - 4" \
 151         "<random_data\\+16380>:\[ \t\]+178\[ \t\]+180\[ \t\]+135\[ \t\]+93\[ \t\]+70\[ \t\]+62\[ \t\]+205\[ \t\]+76"
 152 }
 153
 154 # Read a chunk just larger than the packet size (reduce the packet
 155 # size to make life easier)
 156 gdb_test_no_output "set remote memory-read-packet-size 16"
 157
 158 gdb_test "show remote memory-read-packet-size" \
 159         "The memory-read-packet-size is 16. Packets are limited to 20 bytes."
 160 gdb_test "x/17ub random_data" \
 161         "<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"
 162
 163 gdb_exit