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# Copyright 2020-2023 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/>.
# Test DW_AT_ranges attributes referencing the .debug_rnglists section using the
# DW_FORM_sec_offset form.
load_lib dwarf.exp
require dwarf2_support
foreach_with_prefix is_64 {false true} {
if { $is_64 } {
standard_testfile main.c -dw64.S
set testfile ${testfile}-dw64
} else {
standard_testfile main.c -dw32.S
set testfile ${testfile}-dw32
}
set asm_file [standard_output_file $srcfile2]
Dwarf::assemble $asm_file {
global is_64
declare_labels cu1_range_list cu2_range_list cu3_range_list
declare_labels foo_range_list bar_range_list baz_range_list
# This CU uses the DW_FORM_sec_offset form to refer to the .debug_rnglists
# section.
cu {
version 5
is_64 $is_64
} {
DW_TAG_compile_unit {
{DW_AT_ranges $cu1_range_list DW_FORM_sec_offset}
} {
DW_TAG_subprogram {
{DW_AT_name "foo"}
{DW_AT_ranges $foo_range_list DW_FORM_sec_offset}
}
}
}
# This CU uses the DW_FORM_sec_offset form to refer to the
# .debug_rnglists section, but also has the DW_AT_rnglists_base
# attribute present. The DW_AT_rnglists_base attribute is not used to
# interpret the DW_AT_ranges value, but it should also do no harm.
cu {
version 5
is_64 $is_64
} {
DW_TAG_compile_unit {
{DW_AT_ranges $cu2_range_list DW_FORM_sec_offset}
{DW_AT_rnglists_base cu2_table DW_FORM_sec_offset}
} {
DW_TAG_subprogram {
{DW_AT_name "bar"}
{DW_AT_ranges $bar_range_list DW_FORM_sec_offset}
}
}
}
# This CU uses the DW_FORM_sec_offset form to refer to the .debug_rnglists
# section. The corresponding contribution in the .debug_rnglists has no
# offset array.
cu {
version 5
is_64 $is_64
} {
DW_TAG_compile_unit {
{DW_AT_ranges $cu3_range_list DW_FORM_sec_offset}
} {
DW_TAG_subprogram {
{DW_AT_name "baz"}
{DW_AT_ranges $baz_range_list DW_FORM_sec_offset}
}
}
}
rnglists {is-64 $is_64} {
# The lists in this table are accessed by direct offset
# (DW_FORM_sec_offset).
table {} {
# For the first CU.
cu1_range_list: list_ {
start_end 0x4000 0x5000
}
# For function foo.
foo_range_list: list_ {
start_end 0x4000 0x4010
}
}
table {post-header-label cu2_table} {
# For the second CU.
cu2_range_list: list_ {
start_end 0x5000 0x6000
}
# For the bar function.
bar_range_list: list_ {
start_end 0x5000 0x5010
}
}
table {with-offset-array false} {
# For the third CU.
cu3_range_list: list_ {
start_end 0x6000 0x7000
}
# For the baz function.
baz_range_list: list_ {
start_end 0x6000 0x6010
}
}
}
}
if { [prepare_for_testing "failed to prepare" ${testfile} \
[list $srcfile $asm_file] {nodebug}] } {
return -1
}
# Sanity checks to make sure GDB slurped the symbols correctly.
gdb_test "p/x &foo" " = 0x4000"
gdb_test "p/x &bar" " = 0x5000"
gdb_test "p/x &baz" " = 0x6000"
}
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