gdb/testsuite/gdb.dwarf2/dw2-line-number-zero.exp

   1 # Copyright 2020-2023 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 # This test can only be run on targets which support DWARF-2 and use gas.
  18 if {![dwarf2_support]} {
  19     verbose "Skipping $gdb_test_file_name."
  20     return 0
  21 }
  22
  23 # The .c files use __attribute__.
  24 if ![is_c_compiler_gcc] {
  25     verbose "Skipping $gdb_test_file_name."
  26     return 0
  27 }
  28
  29 standard_testfile .c -dw.S
  30
  31 set asm_file [standard_output_file $srcfile2]
  32 Dwarf::assemble $asm_file {
  33     declare_labels Llines
  34     global srcdir subdir srcfile
  35
  36     cu {} {
  37         compile_unit {
  38             {language @DW_LANG_C}
  39             {name dw2-line-number-zero.c}
  40             {stmt_list $Llines DW_FORM_sec_offset}
  41         } {
  42             subprogram {
  43                 {external 1 flag}
  44                 {MACRO_AT_func {main}}
  45             }
  46             subprogram {
  47                 {external 1 flag}
  48                 {MACRO_AT_func {bar1}}
  49             }
  50             subprogram {
  51                 {external 1 flag}
  52                 {MACRO_AT_func {bar2}}
  53             }
  54         }
  55     }
  56
  57     lines {version 2} Llines {
  58         include_dir "${srcdir}/${subdir}"
  59         file_name "$srcfile" 1
  60
  61         program {
  62             DW_LNE_set_address bar1_label
  63             line 27
  64             DW_LNS_copy
  65
  66             DW_LNE_set_address bar1_label_2
  67             line 29
  68             DW_LNS_copy
  69
  70             DW_LNE_set_address bar1_label_3
  71             line 0
  72             DW_LNS_copy
  73
  74             DW_LNE_set_address bar1_label_4
  75             line 33
  76             DW_LNS_copy
  77
  78             DW_LNE_set_address bar1_label_5
  79             DW_LNE_end_sequence
  80
  81
  82             DW_LNE_set_address bar2_label
  83             line 41
  84             DW_LNS_copy
  85
  86             DW_LNE_set_address bar2_label_2
  87             line 43
  88             DW_LNS_copy
  89
  90             DW_LNE_set_address bar2_label_3
  91             line 0
  92             DW_LNS_negate_stmt
  93             DW_LNS_copy
  94             DW_LNS_negate_stmt
  95
  96             DW_LNE_set_address bar2_label_4
  97             line 47
  98             DW_LNS_copy
  99
 100             DW_LNE_set_address bar2_label_5
 101             DW_LNE_end_sequence
 102         }
 103     }
 104 }
 105
 106 if { [prepare_for_testing "failed to prepare" ${testfile} \
 107           [list $srcfile $asm_file] {nodebug}] } {
 108     return -1
 109 }
 110
 111 if ![runto_main] {
 112     return -1
 113 }
 114
 115 gdb_breakpoint "$srcfile:27"
 116 gdb_continue_to_breakpoint "bar1" "\[^\r\n\]*:27\r\n.*"
 117
 118 gdb_test "n" "foo \\(2\\);" "bar1, 1st next"
 119 gdb_test "n" "foo \\(4\\);" "bar1, 2nd next"
 120
 121 gdb_breakpoint "$srcfile:41"
 122 gdb_continue_to_breakpoint "bar2" "\[^\r\n\]*:41\r\n.*"
 123
 124 gdb_test "n" "foo \\(2\\);" "bar2, 1st next"
 125 gdb_test "n" "foo \\(4\\);" "bar2, 2nd next"
 126
 127 if ![runto_main] {
 128     return -1
 129 }
 130
 131 gdb_breakpoint "bar1_label_3"
 132 setup_kfail "gdb/nnnnn" *-*-*
 133 gdb_continue_to_breakpoint "bar1_label_3" "bar1 \\(\\)"
 134
 135 gdb_breakpoint "bar2_label_3"
 136 setup_kfail "gdb/nnnnn" *-*-*
 137 gdb_continue_to_breakpoint "bar2_label_3" "bar2 \\(\\)"