| # Copyright 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/>. |
| |
| # Check whether stepping out of a function works, in case: |
| # - the first insn after the call has an is-stmt=no entry |
| # - the next insn has an is-stmt=yes entry, for the same line number |
| # |
| # This sort of thing can occur in optimized code, f.i. here a slightly more |
| # elaborate case with another is-stmt=no entry (the one with line number 12) |
| # inbetween: |
| # INDEX LINE ADDRESS IS-STMT |
| # 12 13 0x00000000004003ed |
| # 13 12 0x00000000004003f2 |
| # 14 13 0x00000000004003f4 Y |
| |
| load_lib dwarf.exp |
| |
| # 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 { |
| declare_labels Llines |
| global srcdir subdir srcfile |
| |
| lassign [function_range main [list ${srcdir}/${subdir}/$srcfile]] \ |
| main_start main_len |
| set main_end "$main_start + $main_len" |
| |
| lassign [function_range main [list ${srcdir}/${subdir}/$srcfile]] \ |
| bar_start bar_len |
| set bar_end "$bar_start + $bar_len" |
| |
| cu {} { |
| compile_unit { |
| {language @DW_LANG_C} |
| {name $srcfile} |
| {stmt_list $Llines DW_FORM_sec_offset} |
| } { |
| subprogram { |
| {external 1 flag} |
| {MACRO_AT_func {main}} |
| } |
| subprogram { |
| {external 1 flag} |
| {MACRO_AT_func {bar}} |
| } |
| } |
| } |
| |
| lines {version 2} Llines { |
| include_dir "${srcdir}/${subdir}" |
| file_name "$srcfile" 1 |
| |
| program { |
| {DW_LNE_set_address bar_label} |
| {line 26} |
| {DW_LNS_copy} |
| |
| {DW_LNE_set_address $bar_end} |
| {DW_LNE_end_sequence} |
| |
| {DW_LNE_set_address main_label} |
| {line 32} |
| {DW_LNS_copy} |
| |
| {DW_LNE_set_address main_label_2} |
| {line 36} |
| {DW_LNS_negate_stmt} |
| {DW_LNS_copy} |
| {DW_LNS_negate_stmt} |
| |
| {DW_LNE_set_address main_label_3} |
| {line 36} |
| {DW_LNS_copy} |
| |
| {DW_LNE_set_address $main_end} |
| {DW_LNE_end_sequence} |
| } |
| } |
| } |
| |
| if { [prepare_for_testing "failed to prepare" ${testfile} \ |
| [list $srcfile $asm_file] {nodebug}] } { |
| return -1 |
| } |
| |
| if ![runto_main] { |
| return -1 |
| } |
| |
| # Step into bar. |
| gdb_breakpoint "bar" |
| gdb_continue_to_breakpoint "bar" |
| |
| # Step out of bar. |
| gdb_test "step" [multi_line \ |
| "main \\(\\) at \[^\r\n\]*$srcfile:36" \ |
| "36\t\[^\r\n\]*"] |
| |