# Copyright 2007-2024 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. require dwarf2_support # The .c files use __attribute__. require is_c_compiler_gcc 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}" "${objfile3}" object {additional_flags=-gstabs quiet}] != "" } { return -1 } if {[gdb_compile "${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 .*"