binutils-gdb/gdb/testsuite/gdb.base/watch_thread_num.exp

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# This testcase is part of GDB, the GNU debugger.
# Copyright 2007, 2008 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/>. */
# watch-thread_num.exp Test thread <thread_num> parameter for
# watch commands.
#
if $tracelevel then {
strace $tracelevel
}
set testfile watch_thread_num
set srcfile ${testfile}.c
set binfile ${objdir}/${subdir}/${testfile}
# What compiler are we using?
#
if [get_compiler_info ${binfile}] {
return -1
}
if {[gdb_compile_pthreads "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } {
return -1
}
gdb_exit
gdb_start
gdb_reinitialize_dir $srcdir/$subdir
gdb_load ${binfile}
if { ![runto main] } then {
fail "run to main"
return
}
gdb_test "watch shared_var thread 0" "Unknown thread 0\." "Watchpoint on invalid thread"
gdb_test "watch shared_var thread" "A syntax error in expression, near `thread'\." "Invalid watch syntax"
gdb_test "Next 5" ""
gdb_test "break thread_function" "Breakpoint \[0-9\].*" \
"Set breakpoint at thread_function"
gdb_test "continue" ".*Breakpoint 2.*" "Stopped in thread_function"
send_gdb "thread\n"
gdb_expect {
-re ".*Current thread is (\[0-9\]*).*$gdb_prompt $" { pass "Thread command" }
-re ".*$gdb_prompt $" { fail "Thread command" }
timeout { fail "(timeout) Thread command" }
}
set thread_num "$expect_out(1,string)"
gdb_test "disable 2" "" "Disable breakpoint 2"
gdb_test "watch shared_var thread $thread_num" "Hardware watchpoint 3: shared_var" "Watchpoint on shared variable"
gdb_test "info breakpoint 3" "stop only in thread $thread_num"
for {set i 1} {$i <= 10} {incr i 1} {
set watchpoint "Watchpoint triggered iteration $i"
set check "Check thread that triggered iteration $i"
if {[target_info exists gdb,no_hardware_watchpoints]} {
unsupported $watchpoint
unsupported $check
} else {
gdb_test "continue" "Hardware watchpoint 3: shared_var.*" $watchpoint
gdb_test "thread" ".*Current thread is $thread_num .*" $check
}
}