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- # Copyright 2014-2022 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 that GDB determines the frame's language based on the comp
- # unit's language, even if the file has an unknown file extension,
- # such as ".txt".
- 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 .c .S
- # Assemble the DWARF using CU_LANG as compilation unit's language.
- # Run to a function in that compilation unit and check that GDB
- # figures out that the language is GDB_LANG.
- proc do_test {cu_lang gdb_lang} {
- global testfile srcfile srcfile2
- # Make some DWARF for the test.
- set asm_file [standard_output_file $srcfile2]
- Dwarf::assemble $asm_file {
- upvar cu_lang cu_lang
- # Creating a CU with 4-byte addresses lets this test link on
- # both 32- and 64-bit machines.
- cu { addr_size 4 } {
- compile_unit {
- {name file1.txt}
- {language @$cu_lang}
- {MACRO_AT_range {func}}
- } {
- subprogram {
- {external 1 flag}
- {MACRO_AT_func {func}}
- } {
- }
- }
- }
- }
- if { [prepare_for_testing "failed to prepare" ${testfile} \
- [list $srcfile $asm_file] {nodebug}] } {
- return -1
- }
- if ![runto func] {
- return -1
- }
- gdb_test "show language" "\"auto; currently $gdb_lang\".*"
- }
- proc do_test_with_prefix {cu_lang gdb_lang} {
- with_test_prefix $gdb_lang {
- do_test $cu_lang $gdb_lang
- }
- }
- # Some paths in the debugger fall back to C. Check C++ as well to
- # make sure the test doesn't happen to work because of such a
- # fallback.
- do_test_with_prefix DW_LANG_C "c"
- do_test_with_prefix DW_LANG_C_plus_plus "c\\+\\+"
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