| # Copyright 2007-2021 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 |
| |
| # Test DW_TAG_compile_unit with no children and with neither DW_AT_low_pc nor |
| # DW_AT_high_pc but with DW_AT_ranges 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 -2.c -3.c |
| set asmfile [standard_output_file ${testfile}.s] |
| set asmfile2 [standard_output_file ${testfile}2.s] |
| set objfile [standard_output_file ${testfile}.o] |
| set objfile2 [standard_output_file ${testfile}2.o] |
| set objfile3 [standard_output_file ${testfile}3.o] |
| |
| # Generate .s without debug info but provide debug info by the assembler. |
| # This way we get DW_TAG_compile_unit DIE and only that DIE. |
| |
| if {[gdb_compile "${srcdir}/${subdir}/${srcfile}" "${asmfile}" assembly {}] != "" |
| || [gdb_compile "${asmfile}" "${objfile}" object {additional_flags=-gdwarf-2}] != "" } { |
| return -1 |
| } |
| if {[gdb_compile "${srcdir}/${subdir}/${srcfile2}" "${asmfile2}" assembly {}] != "" |
| || [gdb_compile "${asmfile2}" "${objfile2}" object {additional_flags=-gdwarf-2}] != "" } { |
| return -1 |
| } |
| |
| # STABS compilation is intentional as it tests the STABS lookup where is no |
| # partial_symtab->psymtabs_addrmap supported for that CU (Compilation Unit) in |
| # a file containing psymtabs_addrmap-supporting DWARF CUs. |
| if {[gdb_compile "${srcdir}/${subdir}/${srcfile3}" "${objfile3}" object {additional_flags=-gstabs}] != "" } { |
| return -1 |
| } |
| |
| if {[gdb_compile "${objfile} ${objfile2} ${objfile3}" "${binfile}" executable {}] != "" } { |
| return -1 |
| } |
| |
| clean_restart ${testfile} |
| |
| # Test also objfile->psymtabs_addrmap relocations for -fPIE -pie builds below. |
| # On some targets it may possibly fail but the program is being started only |
| # for the PIE build so try it anyway. |
| |
| runto_main |
| |
| # Correct output: |
| # Line 39 of "../.././gdb/testsuite/gdb.dwarf2/dw2-ranges.S" starts at address 0x4 and ends at 0x8. |
| # Wrong output: |
| # No line number information available for address 0x4 |
| |
| gdb_test "info line main" "Line \[0-9\]* of .* starts at address .* and ends at .*" |
| gdb_test "info line func" "Line \[0-9\]* of .* starts at address .* and ends at .*" |
| gdb_test "info line main2" "Line \[0-9\]* of .* starts at address .* and ends at .*" |
| gdb_test "info line func2" "Line \[0-9\]* of .* starts at address .* and ends at .*" |
| |
| gdb_test "info line main3" \ |
| "Line \[0-9\]* of .* starts at address .* and ends at .*" |