| # Copyright 2020-2021 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/>. |
| load_lib dwarf.exp |
| |
| # The function foo is encapsulated by two functions from CU |
| # $srcfile (main and bar), but the debug info does not describe foo, so |
| # foo should not be seen as part of CU $srcfile. |
| # Run to foo, and check that the current language is the default auto/C. |
| # If foo is considered part of CU $srcfile, the language will be auto/C++ |
| # instead. |
| |
| # This test can only be run on targets which support DWARF-2 and use gas. |
| if {![dwarf2_support]} { |
| verbose "Skipping $gdb_test_file_name." |
| return 0 |
| } |
| |
| # The .c files use __attribute__. |
| if [get_compiler_info] { |
| return -1 |
| } |
| if !$gcc_compiled { |
| verbose "Skipping $gdb_test_file_name." |
| return 0 |
| } |
| |
| standard_testfile .c -dw.S |
| |
| set asm_file [standard_output_file $srcfile2] |
| Dwarf::assemble $asm_file { |
| global srcdir subdir srcfile srcfile2 |
| declare_labels ranges_label |
| |
| # Find start address and length for our functions. |
| set foo_func \ |
| [function_range foo [list ${srcdir}/${subdir}/$srcfile]] |
| set quux_func \ |
| [function_range quux [list ${srcdir}/${subdir}/$srcfile]] |
| set bar_func \ |
| [function_range bar [list ${srcdir}/${subdir}/$srcfile]] |
| |
| cu {} { |
| compile_unit { |
| {language @DW_LANG_C_plus_plus} |
| {name $srcfile} |
| {ranges ${ranges_label} DW_FORM_sec_offset} |
| } { |
| subprogram { |
| {external 1 flag} |
| {name quux} |
| } |
| } |
| } |
| |
| ranges {is_64 [is_64_target]} { |
| ranges_label: sequence { |
| base [lindex $quux_func 0] |
| range 0 [lindex $quux_func 1] |
| base [lindex $bar_func 0] |
| range 0 [lindex $bar_func 1] |
| } |
| } |
| } |
| |
| if { [prepare_for_testing "failed to prepare" ${testfile} \ |
| [list $srcfile $asm_file] {nodebug}] } { |
| return -1 |
| } |
| |
| if ![runto foo] { |
| return -1 |
| } |
| |
| gdb_test "show language" \ |
| "The current source language is \"auto; currently c\"\." |