gdb/testsuite/gdb.dwarf2/dw2-ranges.exp

   1 # Copyright 2007-2022 Free Software Foundation, Inc.
   2
   3 # This program is free software; you can redistribute it and/or modify
   4 # it under the terms of the GNU General Public License as published by
   5 # the Free Software Foundation; either version 3 of the License, or
   6 # (at your option) any later version.
   7 #
   8 # This program is distributed in the hope that it will be useful,
   9 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  10 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  11 # GNU General Public License for more details.
  12 #
  13 # You should have received a copy of the GNU General Public License
  14 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
  15 load_lib dwarf.exp
  16
  17 # Test DW_TAG_compile_unit with no children and with neither DW_AT_low_pc nor
  18 # DW_AT_high_pc but with DW_AT_ranges instead.
  19
  20 # This test can only be run on targets which support DWARF-2 and use gas.
  21 if {![dwarf2_support]} {
  22     verbose "Skipping $gdb_test_file_name."
  23     return 0
  24 }
  25
  26 # The .c files use __attribute__.
  27 if [get_compiler_info] {
  28     return -1
  29 }
  30 if !$gcc_compiled {
  31     verbose "Skipping $gdb_test_file_name."
  32     return 0
  33 }
  34
  35 standard_testfile .c -2.c -3.c
  36 set asmfile [standard_output_file ${testfile}.s]
  37 set asmfile2 [standard_output_file ${testfile}2.s]
  38 set objfile [standard_output_file ${testfile}.o]
  39 set objfile2 [standard_output_file ${testfile}2.o]
  40 set objfile3 [standard_output_file ${testfile}3.o]
  41
  42 # Generate .s without debug info but provide debug info by the assembler.
  43 # This way we get DW_TAG_compile_unit DIE and only that DIE.
  44
  45 if {[gdb_compile "${srcdir}/${subdir}/${srcfile}" "${asmfile}" assembly {}] != ""
  46     || [gdb_compile "${asmfile}" "${objfile}" object {additional_flags=-gdwarf-2}] != "" } {
  47     return -1
  48 }
  49 if {[gdb_compile "${srcdir}/${subdir}/${srcfile2}" "${asmfile2}" assembly {}] != ""
  50     || [gdb_compile "${asmfile2}" "${objfile2}" object {additional_flags=-gdwarf-2}] != "" } {
  51     return -1
  52 }
  53
  54 # STABS compilation is intentional as it tests the STABS lookup where is no
  55 # partial_symtab->psymtabs_addrmap supported for that CU (Compilation Unit) in
  56 # a file containing psymtabs_addrmap-supporting DWARF CUs.
  57 if {[gdb_compile "${srcdir}/${subdir}/${srcfile3}" "${objfile3}" object {additional_flags=-gstabs}] != "" } {
  58     return -1
  59 }
  60
  61 if {[gdb_compile "${objfile} ${objfile2} ${objfile3}" "${binfile}" executable {}] != "" } {
  62     return -1
  63 }
  64
  65 clean_restart ${testfile}
  66
  67 # Test also objfile->psymtabs_addrmap relocations for -fPIE -pie builds below.
  68 # On some targets it may possibly fail but the program is being started only
  69 # for the PIE build so try it anyway.
  70
  71 runto_main
  72
  73 # Correct output:
  74 #       Line 39 of "../.././gdb/testsuite/gdb.dwarf2/dw2-ranges.S" starts at address 0x4 and ends at 0x8.
  75 # Wrong output:
  76 #       No line number information available for address 0x4
  77
  78 gdb_test "info line main" "Line \[0-9\]* of .* starts at address .* and ends at .*"
  79 gdb_test "info line func" "Line \[0-9\]* of .* starts at address .* and ends at .*"
  80 gdb_test "info line main2" "Line \[0-9\]* of .* starts at address .* and ends at .*"
  81 gdb_test "info line func2" "Line \[0-9\]* of .* starts at address .* and ends at .*"
  82
  83 gdb_test "info line main3" \
  84     "Line \[0-9\]* of .* starts at address .* and ends at .*"