gdb/testsuite/gdb.base/remote.exp

   1 # Copyright 1999, 2001, 2004, 2007, 2008 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 # Please email any bugs, comments, and/or additions to this file to:
  17 # bug-gdb@prep.ai.mit.edu
  18
  19 if $tracelevel then {
  20     strace $tracelevel
  21 }
  22
  23 set prms_id 0
  24 set bug_id 0
  25
  26
  27 # test only on a remote target board
  28 if {! [is_remote target]} {
  29     return
  30 }
  31
  32 set testfile "remote"
  33 set srcfile ${testfile}.c
  34 set binfile ${objdir}/${subdir}/${testfile}
  35
  36 gdb_start
  37
  38 set result [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}]
  39 if {$result != "" } then {
  40     untested remote.exp
  41     return -1
  42 }
  43
  44
  45 #
  46 # Part ONE: Check the down load commands
  47 #
  48
  49 gdb_test "show remote memory-write-packet-size" \
  50         "The memory-write-packet-size is 0. Packets are limited to \[0-9\]+ bytes." \
  51         "write-packet default"
  52
  53 gdb_test "set remote memory-write-packet-size" \
  54         "Argument required .integer, `fixed' or `limited'.\." \
  55         "set write-packet - NULL"
  56
  57 gdb_test "set remote memory-write-packet-size 20" ""
  58 gdb_test "show remote memory-write-packet-size" \
  59         "The memory-write-packet-size is 20. Packets are limited to 20 bytes." \
  60         "set write-packet - small"
  61
  62 gdb_test "set remote memory-write-packet-size 1" ""
  63 gdb_test "show remote memory-write-packet-size" \
  64         "The memory-write-packet-size is 1. Packets are limited to 20 bytes." \
  65         "set write-packet - very-small"
  66
  67 #
  68 # Part TWO: Check the download behavour
  69 #
  70
  71 proc gdb_load_timed {executable class writesize} {
  72     global test gdb_prompt
  73     set test "timed download `[file tail $executable]' - $class, $writesize"
  74
  75     if {$writesize != ""} then {
  76         gdb_test "set remote memory-write-packet-size $writesize" \
  77                 "" "$test - set packet size"
  78
  79         send_gdb "set remote memory-write-packet-size $class\n"
  80         gdb_expect 5 {
  81             -re ".*Change the packet size.*$" {
  82                 send_gdb "y\n"
  83                 gdb_expect 5 {
  84                     -re ".*$gdb_prompt $" {
  85                         pass "$test - set write size class"
  86                     }
  87                     timeout {
  88                         fail "$test - set write size class"
  89                         return
  90                     }
  91                 }
  92             }
  93             -re ".*$gdb_prompt $" { }
  94             timeout {
  95                 fail "$test - set write size class"
  96                 return
  97             }
  98         }
  99     }
 100
 101     set load_begin_time [clock clicks]
 102     set result [gdb_load $executable]
 103     set load_end_time [clock clicks]
 104     if { $result != 0 } then {
 105         fail "$test - loading executable"
 106         return
 107     }
 108     verbose "$test - time [expr ($load_end_time - $load_begin_time) / 1000] ms"
 109     pass $test
 110 }
 111
 112 gdb_load_timed $binfile "" {}
 113
 114 # Typically about 400-1 bytes can be downloaded
 115 gdb_load_timed $binfile "limit" 398
 116 gdb_load_timed $binfile "limit" 400
 117
 118 # Absolute max is 16384
 119 gdb_load_timed $binfile "fixed" 0
 120 gdb_load_timed $binfile "fixed" 16385
 121
 122 # fall back to the default
 123 gdb_load_timed $binfile "limit" 0
 124
 125 # Get size of data uploaded
 126
 127 #
 128 # Query GDB for the size of various types
 129 #
 130
 131 proc get_sizeof { type default } {
 132     global gdb_prompt
 133     send_gdb "print/d sizeof (${type})\n"
 134     gdb_expect {
 135         -re "\\$\[0-9\]* = (\[0-9\]*).*$gdb_prompt $" {
 136             set size $expect_out(1,string)
 137             pass "get sizeof ${type} ($size)"
 138         }
 139         timeout {
 140             set size ${default}
 141             fail "get sizeof ${type} (timeout)"
 142         }
 143     }
 144     return ${size}
 145 }
 146
 147 # Get the size of random_data table (defaults to 48K).
 148 set sizeof_random_data [get_sizeof "random_data" 48*1024]
 149
 150 #
 151 # Part THREE: Check the upload behavour
 152 #
 153 if ![runto_main] then {
 154     fail "Cannot run to main"
 155 }
 156
 157 # Carefully check memory around each of the most common packet edge
 158 # conditions
 159
 160 gdb_test "x/8ub random_data" \
 161         "<random_data>:\[ \t\]+60\[ \t\]+74\[ \t\]+216\[ \t\]+38\[ \t\]+149\[ \t\]+49\[ \t\]+207\[ \t\]+44"
 162
 163 gdb_test "x/8ub random_data + 400 - 4" \
 164         "<random_data\\+396>:\[ \t\]+185\[ \t\]+255\[ \t\]+50\[ \t\]+140\[ \t\]+237\[ \t\]+172\[ \t\]+143\[ \t\]+93"
 165
 166 if {$sizeof_random_data > 16380 } then {
 167     gdb_test "x/8ub random_data + 16384 - 4" \
 168         "<random_data\\+16380>:\[ \t\]+178\[ \t\]+180\[ \t\]+135\[ \t\]+93\[ \t\]+70\[ \t\]+62\[ \t\]+205\[ \t\]+76"
 169 }
 170
 171 # Read a chunk just larger than the packet size (reduce the packet
 172 # size to make life easier)
 173 gdb_test "set remote memory-read-packet-size 16" \
 174         ""
 175 gdb_test "show remote memory-read-packet-size" \
 176         "The memory-read-packet-size is 16. Packets are limited to 20 bytes."
 177 gdb_test "x/17ub random_data" \
 178         "<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"
 179
 180 gdb_exit