gdb/testsuite/gdb.base/remote.exp

   1 # Copyright 1999-2015 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 standard_testfile .c
  24
  25 gdb_start
  26
  27 set result [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}]
  28 if {$result != "" } then {
  29     untested remote.exp
  30     return -1
  31 }
  32
  33
  34 #
  35 # Part ONE: Check the down load commands
  36 #
  37
  38 gdb_test "show remote memory-write-packet-size" \
  39         "The memory-write-packet-size is 0. Packets are limited to \[0-9\]+ bytes." \
  40         "write-packet default"
  41
  42 gdb_test "set remote memory-write-packet-size" \
  43         "Argument required .integer, `fixed' or `limited'.\." \
  44         "set write-packet - NULL"
  45
  46 gdb_test_no_output "set remote memory-write-packet-size 20"
  47 gdb_test "show remote memory-write-packet-size" \
  48         "The memory-write-packet-size is 20. Packets are limited to 20 bytes." \
  49         "set write-packet - small"
  50
  51 gdb_test_no_output "set remote memory-write-packet-size 1"
  52 gdb_test "show remote memory-write-packet-size" \
  53         "The memory-write-packet-size is 1. Packets are limited to 20 bytes." \
  54         "set write-packet - very-small"
  55
  56 #
  57 # Part TWO: Check the download behavour
  58 #
  59
  60 proc gdb_load_timed {executable class writesize} {
  61     global test gdb_prompt
  62     set test "timed download `[file tail $executable]' - $class, $writesize"
  63
  64     if {$writesize != ""} then {
  65         gdb_test_no_output "set remote memory-write-packet-size $writesize" \
  66             "$test - set packet size"
  67
  68         send_gdb "set remote memory-write-packet-size $class\n"
  69         gdb_expect 5 {
  70             -re ".*Change the packet size.*$" {
  71                 send_gdb "y\n"
  72                 gdb_expect 5 {
  73                     -re ".*$gdb_prompt $" {
  74                         pass "$test - set write size class"
  75                     }
  76                     timeout {
  77                         fail "$test - set write size class"
  78                         return
  79                     }
  80                 }
  81             }
  82             -re ".*$gdb_prompt $" { }
  83             timeout {
  84                 fail "$test - set write size class"
  85                 return
  86             }
  87         }
  88     }
  89
  90     # Do not try to load using fixed sizes; we may overflow the remote target.
  91     if { $class == "fixed" } {
  92         return
  93     }
  94
  95     set load_begin_time [clock clicks]
  96     set result [gdb_load $executable]
  97     set load_end_time [clock clicks]
  98     if { $result != 0 } then {
  99         fail "$test - loading executable"
 100         return
 101     }
 102     verbose "$test - time [expr ($load_end_time - $load_begin_time) / 1000] ms"
 103     pass $test
 104 }
 105
 106 # Typically about 400-1 bytes can be downloaded
 107 gdb_load_timed $binfile "limit" 398
 108 gdb_load_timed $binfile "limit" 400
 109
 110 # Absolute max is 16384
 111 gdb_load_timed $binfile "fixed" 0
 112 gdb_load_timed $binfile "fixed" 16385
 113
 114 # fall back to the default
 115 gdb_load_timed $binfile "limit" 0
 116
 117 # Get size of data uploaded
 118
 119 #
 120 # Query GDB for the size of various types
 121 #
 122
 123 # Get the size of random_data table (defaults to 48K).
 124 set sizeof_random_data [get_sizeof "random_data" 48*1024]
 125
 126 #
 127 # Part THREE: Check the upload behavour
 128 #
 129 if ![runto_main] then {
 130     fail "Cannot run to main"
 131 }
 132
 133 # Carefully check memory around each of the most common packet edge
 134 # conditions
 135
 136 gdb_test "x/8ub random_data" \
 137         "<random_data>:\[ \t\]+60\[ \t\]+74\[ \t\]+216\[ \t\]+38\[ \t\]+149\[ \t\]+49\[ \t\]+207\[ \t\]+44"
 138
 139 gdb_test "x/8ub random_data + 400 - 4" \
 140         "<random_data\\+396>:\[ \t\]+185\[ \t\]+255\[ \t\]+50\[ \t\]+140\[ \t\]+237\[ \t\]+172\[ \t\]+143\[ \t\]+93"
 141
 142 if {$sizeof_random_data > 16380 } then {
 143     gdb_test "x/8ub random_data + 16384 - 4" \
 144         "<random_data\\+16380>:\[ \t\]+178\[ \t\]+180\[ \t\]+135\[ \t\]+93\[ \t\]+70\[ \t\]+62\[ \t\]+205\[ \t\]+76"
 145 }
 146
 147 # Read a chunk just larger than the packet size (reduce the packet
 148 # size to make life easier)
 149 gdb_test_no_output "set remote memory-read-packet-size 16"
 150
 151 gdb_test "show remote memory-read-packet-size" \
 152         "The memory-read-packet-size is 16. Packets are limited to 20 bytes."
 153 gdb_test "x/17ub random_data" \
 154         "<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"
 155
 156 # Regression test for gdb/15289.  Make sure -1 is accepted and handled
 157 # as "unlimited".
 158 gdb_test_no_output "set remote hardware-watchpoint-limit -1"
 159 gdb_test_no_output "set remote hardware-breakpoint-limit -1"
 160
 161 # This is just being thorough.  Assume (at least) a 32-bit host int,
 162 # and make sure 32-bit INT_MAX is accepted by a zinteger command.
 163 gdb_test_no_output "set remote hardware-watchpoint-limit 2147483647"
 164 gdb_test_no_output "set remote hardware-breakpoint-limit 2147483647"
 165
 166 gdb_exit