gdb/testsuite/gdb.base/remote.exp

   1 # Copyright 1999, 2001, 2004, 2007, 2008, 2009, 2010
   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 set prms_id 0
  22 set bug_id 0
  23
  24
  25 # test only on a remote target board
  26 if {! [is_remote target]} {
  27     return
  28 }
  29
  30 set testfile "remote"
  31 set srcfile ${testfile}.c
  32 set binfile ${objdir}/${subdir}/${testfile}
  33
  34 gdb_start
  35
  36 set result [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}]
  37 if {$result != "" } then {
  38     untested remote.exp
  39     return -1
  40 }
  41
  42
  43 #
  44 # Part ONE: Check the down load commands
  45 #
  46
  47 gdb_test "show remote memory-write-packet-size" \
  48         "The memory-write-packet-size is 0. Packets are limited to \[0-9\]+ bytes." \
  49         "write-packet default"
  50
  51 gdb_test "set remote memory-write-packet-size" \
  52         "Argument required .integer, `fixed' or `limited'.\." \
  53         "set write-packet - NULL"
  54
  55 gdb_test "set remote memory-write-packet-size 20" ""
  56 gdb_test "show remote memory-write-packet-size" \
  57         "The memory-write-packet-size is 20. Packets are limited to 20 bytes." \
  58         "set write-packet - small"
  59
  60 gdb_test "set remote memory-write-packet-size 1" ""
  61 gdb_test "show remote memory-write-packet-size" \
  62         "The memory-write-packet-size is 1. Packets are limited to 20 bytes." \
  63         "set write-packet - very-small"
  64
  65 #
  66 # Part TWO: Check the download behavour
  67 #
  68
  69 proc gdb_load_timed {executable class writesize} {
  70     global test gdb_prompt
  71     set test "timed download `[file tail $executable]' - $class, $writesize"
  72
  73     if {$writesize != ""} then {
  74         gdb_test "set remote memory-write-packet-size $writesize" \
  75                 "" "$test - set packet size"
  76
  77         send_gdb "set remote memory-write-packet-size $class\n"
  78         gdb_expect 5 {
  79             -re ".*Change the packet size.*$" {
  80                 send_gdb "y\n"
  81                 gdb_expect 5 {
  82                     -re ".*$gdb_prompt $" {
  83                         pass "$test - set write size class"
  84                     }
  85                     timeout {
  86                         fail "$test - set write size class"
  87                         return
  88                     }
  89                 }
  90             }
  91             -re ".*$gdb_prompt $" { }
  92             timeout {
  93                 fail "$test - set write size class"
  94                 return
  95             }
  96         }
  97     }
  98
  99     # Do not try to load using fixed sizes; we may overflow the remote target.
 100     if { $class == "fixed" } {
 101         return
 102     }
 103
 104     set load_begin_time [clock clicks]
 105     set result [gdb_load $executable]
 106     set load_end_time [clock clicks]
 107     if { $result != 0 } then {
 108         fail "$test - loading executable"
 109         return
 110     }
 111     verbose "$test - time [expr ($load_end_time - $load_begin_time) / 1000] ms"
 112     pass $test
 113 }
 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 # Get the size of random_data table (defaults to 48K).
 133 set sizeof_random_data [get_sizeof "random_data" 48*1024]
 134
 135 #
 136 # Part THREE: Check the upload behavour
 137 #
 138 if ![runto_main] then {
 139     fail "Cannot run to main"
 140 }
 141
 142 # Carefully check memory around each of the most common packet edge
 143 # conditions
 144
 145 gdb_test "x/8ub random_data" \
 146         "<random_data>:\[ \t\]+60\[ \t\]+74\[ \t\]+216\[ \t\]+38\[ \t\]+149\[ \t\]+49\[ \t\]+207\[ \t\]+44"
 147
 148 gdb_test "x/8ub random_data + 400 - 4" \
 149         "<random_data\\+396>:\[ \t\]+185\[ \t\]+255\[ \t\]+50\[ \t\]+140\[ \t\]+237\[ \t\]+172\[ \t\]+143\[ \t\]+93"
 150
 151 if {$sizeof_random_data > 16380 } then {
 152     gdb_test "x/8ub random_data + 16384 - 4" \
 153         "<random_data\\+16380>:\[ \t\]+178\[ \t\]+180\[ \t\]+135\[ \t\]+93\[ \t\]+70\[ \t\]+62\[ \t\]+205\[ \t\]+76"
 154 }
 155
 156 # Read a chunk just larger than the packet size (reduce the packet
 157 # size to make life easier)
 158 gdb_test "set remote memory-read-packet-size 16" \
 159         ""
 160 gdb_test "show remote memory-read-packet-size" \
 161         "The memory-read-packet-size is 16. Packets are limited to 20 bytes."
 162 gdb_test "x/17ub random_data" \
 163         "<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"
 164
 165 gdb_exit