| # Copyright 2026 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 |
| |
| # This test can only be run on targets which support DWARF-2 and use gas. |
| require dwarf2_support |
| |
| # The .c files use __attribute__. |
| require is_c_compiler_gcc |
| |
| standard_testfile .c -dw.S |
| |
| set asm_file [standard_output_file $srcfile2] |
| set f [open $asm_file "w"] |
| Dwarf::assemble { file_id $f } { |
| declare_labels Llines |
| global srcdir subdir srcfile |
| |
| get_func_info main |
| |
| cu {} { |
| compile_unit { |
| DW_AT_language @DW_LANG_C |
| DW_AT_name dw2-line-unknown-extended-opcode.exp |
| DW_AT_stmt_list $Llines DW_FORM_sec_offset |
| } { |
| subprogram { |
| DW_AT_external 1 flag |
| MACRO_AT_func {main} |
| } |
| } |
| } |
| |
| lines {version 2 default_is_stmt 1} Llines { |
| include_dir "${srcdir}/${subdir}" |
| file_name "$srcfile" 1 |
| |
| program { |
| global f |
| |
| DW_LNE_set_address $main_start |
| line 26 |
| DW_LNS_copy |
| |
| # Emit non-standard (but not in the vendor-specific range) extended |
| # opcode 0 with 15 dummy operand bytes which GDB should ignore. |
| puts $f " .byte 0" |
| puts $f " .uleb128 16" |
| puts $f " .byte 0" |
| puts $f " .fill 15, 1, 42" |
| |
| DW_LNE_set_address main_label |
| line 28 |
| DW_LNS_copy |
| |
| DW_LNE_set_address main_label_2 |
| line 31 |
| DW_LNS_copy |
| |
| DW_LNE_set_address $main_end |
| DW_LNE_end_sequence |
| } |
| } |
| } |
| close $f |
| |
| if { [prepare_for_testing "failed to prepare" ${testfile} \ |
| [list $srcfile $asm_file] {nodebug}] } { |
| return |
| } |
| |
| if {![runto_main]} { |
| return |
| } |
| |
| gdb_breakpoint "$srcfile:31" |
| gdb_continue_to_breakpoint "return from main" "\[^\r\n\]*:31\r\n.*" |
