binutils-gdb/gdb/testsuite/gdb.ada/exec_changed.exp

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# Copyright 2005-2017 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/>.
load_lib "ada.exp"
if { [skip_ada_tests] } { return -1 }
# This testcase verifies the behavior of the `start' command, which
# does not work when we use the gdb stub...
if [target_info exists use_gdb_stub] {
untested "skipping tests due to use_gdb_stub"
return
}
standard_ada_testfile first
# Build the first test program (note that cygwin needs the $EXEEXT).
if {[gdb_compile_ada "${srcfile}" "${binfile}$EXEEXT" executable {debug}] != ""} {
return -1
}
# Build the second test program
set srcfile2 ${srcdir}/${subdir}/${testdir}/second.adb
set binfile2 [standard_output_file second$EXEEXT]
if {[gdb_compile_ada "${srcfile2}" "${binfile2}" executable {debug}] != ""} {
return -1
}
# Start with a fresh gdb.
set common_binfile [standard_output_file common$EXEEXT]
gdb_start
gdb_reinitialize_dir $srcdir/$subdir
# Load the first executable.
gdb_test "shell mv ${binfile} ${common_binfile}" ".*" ""
gdb_load ${common_binfile}
# Start the program, we should land in the program main procedure
if { [gdb_start_cmd] < 0 } {
untested start
return -1
}
gdb_test "" \
"first \\(\\) at .*first.adb.*" \
"start first"
# Restore first executable to its original name, and move
# second executable into its place. Ensure that the new
# executable is at least a second newer than the old.
gdb_test "shell mv ${common_binfile} ${binfile}" ".*" ""
gdb_test "shell mv ${binfile2} ${common_binfile}" ".*" ""
gdb_test "shell sleep 1" ".*" ""
gdb_test "shell touch ${common_binfile}" ".*" ""
# Start the program a second time, GDB should land in procedure Second
# this time.
if { [gdb_start_cmd] < 0 } {
fail "start second"
} else {
gdb_test "" \
"second \\(\\) at .*second.adb.*" \
"start second"
}
# Try again, this time with just changing the file time of first.
clean_restart "${binfile}$EXEEXT"
# Ensure we don't accidently use the main symbol cache.
gdb_test_no_output "mt set symbol-cache-size 0"
# Put something in the symbol lookup cache that will get looked up when
# starting after having re-read symbols. PR 17855.
gdb_breakpoint break_me
gdb_test "shell touch ${binfile}$EXEEXT" ".*" ""
gdb_test "shell sleep 1" ".*" ""
if { [gdb_start_cmd] < 0 } {
# PR 17855: At this point gdb may have crashed or gotten an internal
# error, but we still need to detect this. Just issue any simple command
# to verify gdb is still running. This will establish in gdb.log whether
# gdb is still running.
gdb_test_no_output "set \$check_gdb_running = 0" "check gdb running"
fail "start just first"
} else {
gdb_test "" \
"first \\(\\) at .*first.adb.*" \
"start just first"
}