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# Copyright 2003-2018 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 is a test for the gdb invocation option --args.
global GDBFLAGS
# Skip test if target does not support argument passing.
if [target_info exists noargs] {
return
}
standard_testfile
if {[build_executable $testfile.exp $testfile \
$srcfile {debug nowarnings}] == -1} {
untested "failed to compile"
return -1
}
proc args_test { name arglist } {
global srcdir
global subdir
global testfile
global hex
global decimal
clean_restart $testfile
runto_main
gdb_breakpoint [gdb_get_line_number "set breakpoint here"]
gdb_continue_to_breakpoint "breakpoint for $name"
set expected_len [expr 1 + [llength $arglist]]
gdb_test "print argc" "\\\$$decimal = $expected_len" "argc for $name"
set i 1
foreach arg $arglist {
gdb_test "print argv\[$i\]" "\\\$$decimal = $hex \"$arg\"" \
"argv\[$i\] for $name"
set i [expr $i + 1]
}
}
#
# Test that the --args are processed correctly.
#
set old_gdbflags $GDBFLAGS
set GDBFLAGS "$old_gdbflags --args $binfile 1 3"
args_test basic {{1} {3}}
#
# Test that the --args are processed correctly even if one of them is empty.
# The syntax needed is a little peculiar; DejaGNU treats the arguments as a
# list and expands them itself, since no shell redirection is involved.
#
set GDBFLAGS "$old_gdbflags --args $binfile 1 {} 3"
args_test "one empty" {{1} {} {3}}
#
# try with 2 empty args
#
set GDBFLAGS "$old_gdbflags --args $binfile 1 {} {} 3"
args_test "two empty" {{1} {} {} 3}
# Try with arguments containing literal single quotes.
set GDBFLAGS "$old_gdbflags --args $binfile 1 '' 3"
args_test "one empty (with single quotes)" {{1} {''} {3}}
set GDBFLAGS "$old_gdbflags --args $binfile 1 '' '' 3"
args_test "two empty (with single quotes)" {{1} {''} {''} {3}}
# try with arguments containing literal newlines.
set GDBFLAGS "-nx --args $binfile 1 {\n} 3"
args_test "one newline" {{1} {\\n} {3}}
set GDBFLAGS "-nx --args $binfile 1 {\n} {\n} 3"
args_test "two newlines" {{1} {\\n} {\\n} {3}}
set GDBFLAGS $old_gdbflags
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