gdb/testsuite/gdb.trace/while-dyn.exp

#   Copyright 1998-2022 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/>.

# This file was written by Michael Snyder (msnyder@cygnus.com)

load_lib "trace-support.exp"


gdb_exit
gdb_start

standard_testfile actions.c
set executable $testfile
if ![gdb_trace_common_supports_arch] {
    unsupported "no trace-common.h support for arch"
    return -1
}
if { [gdb_compile "$srcdir/$subdir/$srcfile" $binfile \
	  executable {debug nowarnings}] != "" } {
    untested "failed to compile"
    return -1
}
gdb_load $binfile
runto_main
gdb_reinitialize_dir $srcdir/$subdir

if { ![gdb_target_supports_trace] } then {
    unsupported "current target does not support trace"
    return 1
}

#
# test while-stepping dynamically (live target)
#

proc test_while_stepping { while_stepping } {
    global fpreg
    global decimal
    global gdb_prompt
    global executable

    with_test_prefix "$while_stepping" {
	clean_restart $executable

	runto_main

	## verify number of trace frames collected matches stepcount

	gdb_delete_tracepoints
	gdb_test "trace gdb_c_test" \
	    "Tracepoint $decimal at .*" \
	    "Set tracepoint at gdb_c_test"

	gdb_trace_setactions "define $while_stepping <stepcount>" \
	    "" \
	    "collect \$$fpreg" "^$" \
	    "$while_stepping 5" "^$" \
	    "collect p" "^$" \
	    "end" "^$" \
	    "end" ""

	gdb_test "tstart" ".*"

	gdb_breakpoint "end" qualified
	gdb_test "continue" \
	    "Continuing.*Breakpoint $decimal, end.*" \
	    "run trace experiment"

	gdb_test "tstop" ".*"

	gdb_tfind_test "frame 5 should be the last one collected" "5" "5"

	gdb_test "tfind 6" "failed to find.*" \
	    "trace stopped after 5 stepping frames"

	gdb_test "tfind none" ".*"
    }
}

# Test all while-stepping aliases.

test_while_stepping "while-stepping"
test_while_stepping "stepping"
test_while_stepping "ws"