gdb/testsuite/gdb.base/remote.exp

   1 # Copyright 1999, 2001, 2004 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