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

   1 # Copyright 2007, 2008, 2009, 2010, 2011 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 unused] {
  28     return -1;
  29 }
  30 if !$gcc_compiled {
  31     verbose "Skipping DW_AT_ranges test."
  32     return 0
  33 }
  34
  35 set testfile "dw2-ranges"
  36 set srcfile ${testfile}.c
  37 set srcfile2 ${testfile}2.c
  38 set srcfile3 ${testfile}3.c
  39 set asmfile ${objdir}/${subdir}/${testfile}.s
  40 set asmfile2 ${objdir}/${subdir}/${testfile}2.s
  41 set asmfile3 ${objdir}/${subdir}/${testfile}3.s
  42 set objfile ${objdir}/${subdir}/${testfile}.o
  43 set objfile2 ${objdir}/${subdir}/${testfile}2.o
  44 set objfile3 ${objdir}/${subdir}/${testfile}3.o
  45 set binfile ${objdir}/${subdir}/${testfile}
  46
  47 # Generate .s without debug info but provide debug info by the assembler.
  48 # This way we get DW_TAG_compile_unit DIE and only that DIE.
  49
  50 if {[gdb_compile "${srcdir}/${subdir}/${srcfile}" "${asmfile}" assembly {}] != ""
  51     || [gdb_compile "${asmfile}" "${objfile}" object {additional_flags=-gdwarf-2}] != "" } {
  52     return -1
  53 }
  54 if {[gdb_compile "${srcdir}/${subdir}/${srcfile2}" "${asmfile2}" assembly {}] != ""
  55     || [gdb_compile "${asmfile2}" "${objfile2}" object {additional_flags=-gdwarf-2}] != "" } {
  56     return -1
  57 }
  58
  59 # STABS compilation is intentional as it tests the STABS lookup where is no
  60 # partial_symtab->psymtabs_addrmap supported for that CU (Compilation Unit) in
  61 # a file containing psymtabs_addrmap-supporting DWARF CUs.
  62 if {[gdb_compile "${srcdir}/${subdir}/${srcfile3}" "${asmfile3}" assembly {}] != ""
  63     || [gdb_compile "${asmfile3}" "${objfile3}" object {additional_flags=-gstabs}] != "" } {
  64     return -1
  65 }
  66
  67 if {[gdb_compile "${objfile} ${objfile2} ${objfile3}" "${binfile}" executable {}] != "" } {
  68     return -1
  69 }
  70
  71 clean_restart ${testfile}
  72
  73 # Test also objfile->psymtabs_addrmap relocations for -fPIE -pie builds below.
  74 # On some targets it may possibly fail but the program is being started only
  75 # for the PIE build so try it anyway.
  76
  77 runto_main
  78
  79 # Correct output:
  80 #       Line 39 of "../.././gdb/testsuite/gdb.dwarf2/dw2-ranges.S" starts at address 0x4 and ends at 0x8.
  81 # Wrong output:
  82 #       No line number information available for address 0x4
  83
  84 gdb_test "info line main" "Line \[0-9\]* of .* starts at address .* and ends at .*"
  85 gdb_test "info line func" "Line \[0-9\]* of .* starts at address .* and ends at .*"
  86 gdb_test "info line main2" "Line \[0-9\]* of .* starts at address .* and ends at .*"
  87 gdb_test "info line func2" "Line \[0-9\]* of .* starts at address .* and ends at .*"
  88
  89 set test "info line main3"
  90 gdb_test_multiple $test $test {
  91     -re "Line \[0-9\]* of .* starts at address .* and ends at .*\r\n$gdb_prompt $" {
  92         pass $test
  93     }
  94     -re "Line \[0-9\]* of .* is at address .* but contains no code\\.\r\n$gdb_prompt $" {
  95         kfail symtab/12497 $test
  96     }
  97 }