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

   1 # Copyright 2007-2013 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 DW_AT_ranges test."
  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 DW_AT_ranges test."
  32     return 0
  33 }
  34
  35 standard_testfile dw2-ranges.c dw2-ranges2.c dw2-ranges3.c
  36 set asmfile [standard_output_file ${testfile}.s]
  37 set asmfile2 [standard_output_file ${testfile}2.s]
  38 set asmfile3 [standard_output_file ${testfile}3.s]
  39 set objfile [standard_output_file ${testfile}.o]
  40 set objfile2 [standard_output_file ${testfile}2.o]
  41 set objfile3 [standard_output_file ${testfile}3.o]
  42
  43 # Generate .s without debug info but provide debug info by the assembler.
  44 # This way we get DW_TAG_compile_unit DIE and only that DIE.
  45
  46 if {[gdb_compile "${srcdir}/${subdir}/${srcfile}" "${asmfile}" assembly {}] != ""
  47     || [gdb_compile "${asmfile}" "${objfile}" object {additional_flags=-gdwarf-2}] != "" } {
  48     return -1
  49 }
  50 if {[gdb_compile "${srcdir}/${subdir}/${srcfile2}" "${asmfile2}" assembly {}] != ""
  51     || [gdb_compile "${asmfile2}" "${objfile2}" object {additional_flags=-gdwarf-2}] != "" } {
  52     return -1
  53 }
  54
  55 # STABS compilation is intentional as it tests the STABS lookup where is no
  56 # partial_symtab->psymtabs_addrmap supported for that CU (Compilation Unit) in
  57 # a file containing psymtabs_addrmap-supporting DWARF CUs.
  58 if {[gdb_compile "${srcdir}/${subdir}/${srcfile3}" "${asmfile3}" assembly {}] != ""
  59     || [gdb_compile "${asmfile3}" "${objfile3}" object {additional_flags=-gstabs}] != "" } {
  60     return -1
  61 }
  62
  63 if {[gdb_compile "${objfile} ${objfile2} ${objfile3}" "${binfile}" executable {}] != "" } {
  64     return -1
  65 }
  66
  67 clean_restart ${testfile}
  68
  69 # Test also objfile->psymtabs_addrmap relocations for -fPIE -pie builds below.
  70 # On some targets it may possibly fail but the program is being started only
  71 # for the PIE build so try it anyway.
  72
  73 runto_main
  74
  75 # Correct output:
  76 #       Line 39 of "../.././gdb/testsuite/gdb.dwarf2/dw2-ranges.S" starts at address 0x4 and ends at 0x8.
  77 # Wrong output:
  78 #       No line number information available for address 0x4
  79
  80 gdb_test "info line main" "Line \[0-9\]* of .* starts at address .* and ends at .*"
  81 gdb_test "info line func" "Line \[0-9\]* of .* starts at address .* and ends at .*"
  82 gdb_test "info line main2" "Line \[0-9\]* of .* starts at address .* and ends at .*"
  83 gdb_test "info line func2" "Line \[0-9\]* of .* starts at address .* and ends at .*"
  84
  85 set test "info line main3"
  86 gdb_test_multiple $test $test {
  87     -re "Line \[0-9\]* of .* starts at address .* and ends at .*\r\n$gdb_prompt $" {
  88         pass $test
  89     }
  90     -re "Line \[0-9\]* of .* is at address .* but contains no code\\.\r\n$gdb_prompt $" {
  91         kfail symtab/12497 $test
  92     }
  93 }