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# Copyright 1999-2013 Free Software Foundation, Inc.
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
# test only on a remote target board
if {! [is_remote target]} {
return
}
set testfile "remote"
set srcfile ${testfile}.c
set binfile ${objdir}/${subdir}/${testfile}
gdb_start
set result [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}]
if {$result != "" } then {
untested remote.exp
return -1
}
#
# Part ONE: Check the down load commands
#
gdb_test "show remote memory-write-packet-size" \
"The memory-write-packet-size is 0. Packets are limited to \[0-9\]+ bytes." \
"write-packet default"
gdb_test "set remote memory-write-packet-size" \
"Argument required .integer, `fixed' or `limited'.\." \
"set write-packet - NULL"
gdb_test_no_output "set remote memory-write-packet-size 20"
gdb_test "show remote memory-write-packet-size" \
"The memory-write-packet-size is 20. Packets are limited to 20 bytes." \
"set write-packet - small"
gdb_test_no_output "set remote memory-write-packet-size 1"
gdb_test "show remote memory-write-packet-size" \
"The memory-write-packet-size is 1. Packets are limited to 20 bytes." \
"set write-packet - very-small"
#
# Part TWO: Check the download behavour
#
proc gdb_load_timed {executable class writesize} {
global test gdb_prompt
set test "timed download `[file tail $executable]' - $class, $writesize"
if {$writesize != ""} then {
gdb_test_no_output "set remote memory-write-packet-size $writesize" \
"$test - set packet size"
send_gdb "set remote memory-write-packet-size $class\n"
gdb_expect 5 {
-re ".*Change the packet size.*$" {
send_gdb "y\n"
gdb_expect 5 {
-re ".*$gdb_prompt $" {
pass "$test - set write size class"
}
timeout {
fail "$test - set write size class"
return
}
}
}
-re ".*$gdb_prompt $" { }
timeout {
fail "$test - set write size class"
return
}
}
}
# Do not try to load using fixed sizes; we may overflow the remote target.
if { $class == "fixed" } {
return
}
set load_begin_time [clock clicks]
set result [gdb_load $executable]
set load_end_time [clock clicks]
if { $result != 0 } then {
fail "$test - loading executable"
return
}
verbose "$test - time [expr ($load_end_time - $load_begin_time) / 1000] ms"
pass $test
}
# Typically about 400-1 bytes can be downloaded
gdb_load_timed $binfile "limit" 398
gdb_load_timed $binfile "limit" 400
# Absolute max is 16384
gdb_load_timed $binfile "fixed" 0
gdb_load_timed $binfile "fixed" 16385
# fall back to the default
gdb_load_timed $binfile "limit" 0
# Get size of data uploaded
#
# Query GDB for the size of various types
#
# Get the size of random_data table (defaults to 48K).
set sizeof_random_data [get_sizeof "random_data" 48*1024]
#
# Part THREE: Check the upload behavour
#
if ![runto_main] then {
fail "Cannot run to main"
}
# Carefully check memory around each of the most common packet edge
# conditions
gdb_test "x/8ub random_data" \
"<random_data>:\[ \t\]+60\[ \t\]+74\[ \t\]+216\[ \t\]+38\[ \t\]+149\[ \t\]+49\[ \t\]+207\[ \t\]+44"
gdb_test "x/8ub random_data + 400 - 4" \
"<random_data\\+396>:\[ \t\]+185\[ \t\]+255\[ \t\]+50\[ \t\]+140\[ \t\]+237\[ \t\]+172\[ \t\]+143\[ \t\]+93"
if {$sizeof_random_data > 16380 } then {
gdb_test "x/8ub random_data + 16384 - 4" \
"<random_data\\+16380>:\[ \t\]+178\[ \t\]+180\[ \t\]+135\[ \t\]+93\[ \t\]+70\[ \t\]+62\[ \t\]+205\[ \t\]+76"
}
# Read a chunk just larger than the packet size (reduce the packet
# size to make life easier)
gdb_test_no_output "set remote memory-read-packet-size 16"
gdb_test "show remote memory-read-packet-size" \
"The memory-read-packet-size is 16. Packets are limited to 20 bytes."
gdb_test "x/17ub random_data" \
"<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"
gdb_exit
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