gdb/testsuite/gdb.base/remote.exp

   1 # Copyright 1999-2013 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 set testfile "remote"
  24 set srcfile ${testfile}.c
  25 set binfile ${objdir}/${subdir}/${testfile}
  26
  27 gdb_start
  28
  29 set result [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}]
  30 if {$result != "" } then {
  31     untested remote.exp
  32     return -1
  33 }
  34
  35
  36 #
  37 # Part ONE: Check the down load commands
  38 #
  39
  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"
  43
  44 gdb_test "set remote memory-write-packet-size" \
  45         "Argument required .integer, `fixed' or `limited'.\." \
  46         "set write-packet - NULL"
  47
  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"
  52
  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"
  57
  58 #
  59 # Part TWO: Check the download behavour
  60 #
  61
  62 proc gdb_load_timed {executable class writesize} {
  63     global test gdb_prompt
  64     set test "timed download `[file tail $executable]' - $class, $writesize"
  65
  66     if {$writesize != ""} then {
  67         gdb_test_no_output "set remote memory-write-packet-size $writesize" \
  68             "$test - set packet size"
  69
  70         send_gdb "set remote memory-write-packet-size $class\n"
  71         gdb_expect 5 {
  72             -re ".*Change the packet size.*$" {
  73                 send_gdb "y\n"
  74                 gdb_expect 5 {
  75                     -re ".*$gdb_prompt $" {
  76                         pass "$test - set write size class"
  77                     }
  78                     timeout {
  79                         fail "$test - set write size class"
  80                         return
  81                     }
  82                 }
  83             }
  84             -re ".*$gdb_prompt $" { }
  85             timeout {
  86                 fail "$test - set write size class"
  87                 return
  88             }
  89         }
  90     }
  91
  92     # Do not try to load using fixed sizes; we may overflow the remote target.
  93     if { $class == "fixed" } {
  94         return
  95     }
  96
  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"
 102         return
 103     }
 104     verbose "$test - time [expr ($load_end_time - $load_begin_time) / 1000] ms"
 105     pass $test
 106 }
 107
 108 # Typically about 400-1 bytes can be downloaded
 109 gdb_load_timed $binfile "limit" 398
 110 gdb_load_timed $binfile "limit" 400
 111
 112 # Absolute max is 16384
 113 gdb_load_timed $binfile "fixed" 0
 114 gdb_load_timed $binfile "fixed" 16385
 115
 116 # fall back to the default
 117 gdb_load_timed $binfile "limit" 0
 118
 119 # Get size of data uploaded
 120
 121 #
 122 # Query GDB for the size of various types
 123 #
 124
 125 # Get the size of random_data table (defaults to 48K).
 126 set sizeof_random_data [get_sizeof "random_data" 48*1024]
 127
 128 #
 129 # Part THREE: Check the upload behavour
 130 #
 131 if ![runto_main] then {
 132     fail "Cannot run to main"
 133 }
 134
 135 # Carefully check memory around each of the most common packet edge
 136 # conditions
 137
 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"
 140
 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"
 143
 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"
 147 }
 148
 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"
 152
 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"
 157
 158 gdb_exit