96 lines
3.0 KiB
Plaintext
96 lines
3.0 KiB
Plaintext
# Copyright 2019-2020 Free Software Foundation, Inc.
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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# Regression test to ensure that the order of DW_AT_name and
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# DW_AT_linkage_name does not affect Ada.
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load_lib dwarf.exp
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# This test can only be run on targets which support DWARF-2 and use gas.
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if {![dwarf2_support]} {
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return 0
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}
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standard_testfile ada-linkage-name.c ada-linkage-name-debug.S
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# Set up the DWARF for the test.
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set asm_file [standard_output_file $srcfile2]
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Dwarf::assemble $asm_file {
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global srcdir subdir srcfile
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lassign [function_range first ${srcdir}/${subdir}/${srcfile}] \
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first_start first_length
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lassign [function_range second ${srcdir}/${subdir}/${srcfile}] \
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second_start second_length
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cu {} {
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DW_TAG_compile_unit {
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{DW_AT_language @DW_LANG_Ada95}
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{DW_AT_name ada-linkage-name.c}
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{DW_AT_comp_dir /tmp}
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} {
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declare_labels b_l
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b_l: DW_TAG_base_type {
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{DW_AT_byte_size 1 DW_FORM_sdata}
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{DW_AT_encoding @DW_ATE_signed}
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{DW_AT_name bool}
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}
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# Here the name comes first and the linkage name second.
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DW_TAG_subprogram {
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{name system__namefirst}
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{linkage_name __gnat_namefirst}
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{low_pc $first_start addr}
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{high_pc "$first_start + $first_length" addr}
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{type :$b_l}
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}
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# Here the linkage name comes first and the name second.
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DW_TAG_subprogram {
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{linkage_name __gnat_namesecond}
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{name system__namesecond}
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{low_pc $second_start addr}
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{high_pc "$second_start + $second_length" addr}
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{type :$b_l}
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}
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}
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}
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}
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if { [prepare_for_testing "failed to prepare" ${testfile} \
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[list $srcfile $asm_file] {nodebug}] } {
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return -1
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}
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with_test_prefix "first first" {
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gdb_test_no_output "set language ada"
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gdb_breakpoint "<__gnat_namefirst>" message
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gdb_breakpoint "<__gnat_namesecond>" message
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}
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# Run the test again, but this time check the symbols in the other
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# order. This ensures we are really testing all the paths --
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# otherwise if the first symbol is found, it will cause symtab
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# expansion, which might cause the other symbol to be found.
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clean_restart ${testfile}
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with_test_prefix "second first" {
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gdb_test_no_output "set language ada"
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gdb_breakpoint "<__gnat_namesecond>" message
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gdb_breakpoint "<__gnat_namefirst>" message
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}
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