binutils-gdb/gdb/testsuite/lib/range-stepping-support.exp

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# Copyright 2013-2015 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/>.
# Execute command CMD and check that GDB sends the expected number of
# vCont;r packet. Returns 0 if the test passes, otherwise returns 1.
proc exec_cmd_expect_vCont_count { cmd exp_vCont_r } {
global gdb_prompt
gdb_test_no_output "set debug remote 1" ""
set test "${cmd}: vCont;r=${exp_vCont_r}"
set r_counter 0
set s_counter 0
set ret 1
# We either get a stop reply in all-stop mode, or an OK in
# non-stop mode.
set vcont_reply "(T\[\[:xdigit:\]\]\[\[:xdigit:\]\]|OK)"
gdb_test_multiple $cmd $test {
-re "vCont;s\[^\r\n\]*Packet received: $vcont_reply" {
incr s_counter
exp_continue
}
-re "vCont;r\[^\r\n\]*Packet received: $vcont_reply" {
incr r_counter
exp_continue
}
-re "\r\n" {
# Prevent overflowing the expect buffer.
exp_continue
}
-re "$gdb_prompt $" {
if { $r_counter == ${exp_vCont_r} } {
pass $test
set ret 0
} else {
fail $test
}
}
}
gdb_test_no_output "set debug remote 0" ""
return $ret
}
# Check whether range stepping is supported by the target.
proc gdb_range_stepping_enabled { } {
global gdb_prompt
set command "set range-stepping on"
set message "probe range-stepping support"
gdb_test_multiple $command $message {
-re "Range stepping is not supported.*\r\n$gdb_prompt $" {
pass $message
return 0
}
-re "^$command\r\n$gdb_prompt $" {
pass $message
return 1
}
}
return 0
}