#   Copyright 1997-2017 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/>.

# This test exercises PR20569.  GDB would crash when attempting to follow
# an exec call when it could not resolve the path to the symbol file.
# This was the case when an invalid sysroot is provided.

standard_testfile foll-exec.c

global binfile
set binfile [standard_output_file "foll-exec"]
set testfile2 "execd-prog"
set srcfile2 ${testfile2}.c
set binfile2 [standard_output_file ${testfile2}]

set compile_options debug

# build the first test case
if  { [gdb_compile "${srcdir}/${subdir}/${srcfile2}" "${binfile2}" executable $compile_options] != "" } {
    untested "failed to compile secondary testcase"
    return -1
}

if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable $compile_options] != "" } {
    untested "failed to compile main testcase"
    return -1
}

proc do_exec_sysroot_test {} {
    global binfile srcfile srcfile2 testfile testfile2
    global gdb_prompt

    gdb_test_no_output "set sysroot /a/path/that/does/not/exist"

    # Start the program running, and stop at main.
    #
    if ![runto_main] then {
	fail "couldn't run ${testfile}"
	return
    }

    # Verify that the system supports "catch exec".
    gdb_test "catch exec" "Catchpoint \[0-9\]* \\(exec\\)" "insert exec catchpoint"
    set test "continue to exec catchpoint"
    gdb_test_multiple "continue" $test {
	-re ".*Your system does not support this type\r\nof catchpoint.*$gdb_prompt $" {
	    unsupported $test
	    return
	}
	-re ".*Could not load symbols for executable.*$gdb_prompt $" {
	    pass $test
	}
    }
}

# Start with a fresh gdb
clean_restart $binfile
do_exec_sysroot_test