| # Copyright 2014-2021 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\\+\\+" |