[deliverable/binutils-gdb.git] / gdb / testsuite / gdb.ada / array_of_variable_length.exp

# Copyright 2015-2019 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"

standard_ada_testfile foo

if {[gdb_compile_ada "${srcfile}" "${binfile}" executable [list debug]] != "" } {
  return -1
}

clean_restart ${testfile}

set bp_location [gdb_get_line_number "BREAK" ${testdir}/foo.adb]
runto "foo.adb:$bp_location"

# Pck.A is an array that embeds elements with variable size so compilers will
# emit DWARF attributes such as DW_AT_byte_stride to tell GDB how to fetch
# individual elements.  Array stride is also a way to describe packed arrays:
# make sure we do not consider Pck.A as a packed array.
gdb_test "ptype pck.a" "array \\(1 \\.\\. 2\\) of pck\\.r_type"

# Make sure this also works with a type from a fully evaluated value.  During
# evaluation, dynamic types can be "resolved" so GDB internals could "forget"
# that elements have variable size.  Fortunately, type resolution of array
# elements happens only when processing individual elements (i.e. the resolved
# array type is still associated to the dynamic element type), so the following
# is supposed to work.
gdb_test "print pck.a" \
         "= \\(\\(l => 0, s => \"\"\\), \\(l => 2, s => \"ab\"\\)\\)"
gdb_test "ptype $"\
         "array \\(1 \\.\\. 2\\) of pck\\.r_type"
Commit	Line	Data
42a4f53d	1	# Copyright 2015-2019 Free Software Foundation, Inc.
bfca584f PMR	2	#
	3	# This program is free software; you can redistribute it and/or modify
	4	# it under the terms of the GNU General Public License as published by
	5	# the Free Software Foundation; either version 3 of the License, or
	6	# (at your option) any later version.
	7	#
	8	# This program is distributed in the hope that it will be useful,
	9	# but WITHOUT ANY WARRANTY; without even the implied warranty of
	10	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	11	# GNU General Public License for more details.
	12	#
	13	# You should have received a copy of the GNU General Public License
	14	# along with this program. If not, see <http://www.gnu.org/licenses/>.
	15
	16	load_lib "ada.exp"
	17
	18	standard_ada_testfile foo
	19
	20	if {[gdb_compile_ada "${srcfile}" "${binfile}" executable [list debug]] != "" } {
	21	return -1
	22	}
	23
	24	clean_restart ${testfile}
	25
	26	set bp_location [gdb_get_line_number "BREAK" ${testdir}/foo.adb]
	27	runto "foo.adb:$bp_location"
	28
	29	# Pck.A is an array that embeds elements with variable size so compilers will
	30	# emit DWARF attributes such as DW_AT_byte_stride to tell GDB how to fetch
	31	# individual elements. Array stride is also a way to describe packed arrays:
	32	# make sure we do not consider Pck.A as a packed array.
	33	gdb_test "ptype pck.a" "array \\(1 \\.\\. 2\\) of pck\\.r_type"
	34
	35	# Make sure this also works with a type from a fully evaluated value. During
	36	# evaluation, dynamic types can be "resolved" so GDB internals could "forget"
	37	# that elements have variable size. Fortunately, type resolution of array
	38	# elements happens only when processing individual elements (i.e. the resolved
	39	# array type is still associated to the dynamic element type), so the following
	40	# is supposed to work.
	41	gdb_test "print pck.a" \
	42	"= \\(\\(l => 0, s => \"\"\\), \\(l => 2, s => \"ab\"\\)\\)"
	43	gdb_test "ptype $"\
	44	"array \\(1 \\.\\. 2\\) of pck\\.r_type"