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# Copyright 2019-2020 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/>.
# Regression test to ensure that the order of DW_AT_name and
# DW_AT_linkage_name does not affect Ada.
load_lib dwarf.exp
# This test can only be run on targets which support DWARF-2 and use gas.
if {![dwarf2_support]} {
return 0
}
standard_testfile ada-linkage-name.c ada-linkage-name-debug.S
# Set up the DWARF for the test.
set asm_file [standard_output_file $srcfile2]
Dwarf::assemble $asm_file {
global srcdir subdir srcfile
lassign [function_range first ${srcdir}/${subdir}/${srcfile}] \
first_start first_length
lassign [function_range second ${srcdir}/${subdir}/${srcfile}] \
second_start second_length
cu {} {
DW_TAG_compile_unit {
{DW_AT_language @DW_LANG_Ada95}
{DW_AT_name ada-linkage-name.c}
{DW_AT_comp_dir /tmp}
} {
declare_labels b_l
b_l: DW_TAG_base_type {
{DW_AT_byte_size 1 DW_FORM_sdata}
{DW_AT_encoding @DW_ATE_signed}
{DW_AT_name bool}
}
# Here the name comes first and the linkage name second.
DW_TAG_subprogram {
{name system__namefirst}
{linkage_name __gnat_namefirst}
{low_pc $first_start addr}
{high_pc "$first_start + $first_length" addr}
{type :$b_l}
}
# Here the linkage name comes first and the name second.
DW_TAG_subprogram {
{linkage_name __gnat_namesecond}
{name system__namesecond}
{low_pc $second_start addr}
{high_pc "$second_start + $second_length" addr}
{type :$b_l}
}
}
}
}
if { [prepare_for_testing "failed to prepare" ${testfile} \
[list $srcfile $asm_file] {nodebug}] } {
return -1
}
with_test_prefix "first first" {
gdb_test_no_output "set language ada"
gdb_breakpoint "<__gnat_namefirst>" message
gdb_breakpoint "<__gnat_namesecond>" message
}
# Run the test again, but this time check the symbols in the other
# order. This ensures we are really testing all the paths --
# otherwise if the first symbol is found, it will cause symtab
# expansion, which might cause the other symbol to be found.
clean_restart ${testfile}
with_test_prefix "second first" {
gdb_test_no_output "set language ada"
gdb_breakpoint "<__gnat_namesecond>" message
gdb_breakpoint "<__gnat_namefirst>" message
}
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