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

   1 # Copyright 2020-2024 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 require dwarf2_support
  19
  20 # The .c files use __attribute__.
  21 require is_c_compiler_gcc
  22
  23 standard_testfile .c -dw.S
  24
  25 set asm_file [standard_output_file $srcfile2]
  26 Dwarf::assemble $asm_file {
  27     declare_labels Llines
  28     global srcdir subdir srcfile
  29
  30     cu {} {
  31         compile_unit {
  32             {language @DW_LANG_C}
  33             {name dw2-line-number-zero.c}
  34             {stmt_list $Llines DW_FORM_sec_offset}
  35         } {
  36             subprogram {
  37                 {external 1 flag}
  38                 {MACRO_AT_func {main}}
  39             }
  40             subprogram {
  41                 {external 1 flag}
  42                 {MACRO_AT_func {bar1}}
  43             }
  44             subprogram {
  45                 {external 1 flag}
  46                 {MACRO_AT_func {bar2}}
  47             }
  48         }
  49     }
  50
  51     lines {version 2} Llines {
  52         include_dir "${srcdir}/${subdir}"
  53         file_name "$srcfile" 1
  54
  55         program {
  56             DW_LNE_set_address bar1_label
  57             line 27
  58             DW_LNS_copy
  59
  60             DW_LNE_set_address bar1_label_2
  61             line 29
  62             DW_LNS_copy
  63
  64             DW_LNE_set_address bar1_label_3
  65             line 0
  66             DW_LNS_copy
  67
  68             DW_LNE_set_address bar1_label_4
  69             line 33
  70             DW_LNS_copy
  71
  72             DW_LNE_set_address bar1_label_5
  73             DW_LNE_end_sequence
  74
  75
  76             DW_LNE_set_address bar2_label
  77             line 41
  78             DW_LNS_copy
  79
  80             DW_LNE_set_address bar2_label_2
  81             line 43
  82             DW_LNS_copy
  83
  84             DW_LNE_set_address bar2_label_3
  85             line 0
  86             DW_LNS_negate_stmt
  87             DW_LNS_copy
  88             DW_LNS_negate_stmt
  89
  90             DW_LNE_set_address bar2_label_4
  91             line 47
  92             DW_LNS_copy
  93
  94             DW_LNE_set_address bar2_label_5
  95             DW_LNE_end_sequence
  96         }
  97     }
  98 }
  99
 100 if { [prepare_for_testing "failed to prepare" ${testfile} \
 101           [list $srcfile $asm_file] {nodebug}] } {
 102     return -1
 103 }
 104
 105 if ![runto_main] {
 106     return -1
 107 }
 108
 109 gdb_breakpoint "$srcfile:27"
 110 gdb_continue_to_breakpoint "bar1" "\[^\r\n\]*:27\r\n.*"
 111
 112 gdb_test "n" "foo \\(2\\);" "bar1, 1st next"
 113 gdb_test "n" "foo \\(4\\);" "bar1, 2nd next"
 114
 115 gdb_breakpoint "$srcfile:41"
 116 gdb_continue_to_breakpoint "bar2" "\[^\r\n\]*:41\r\n.*"
 117
 118 gdb_test "n" "foo \\(2\\);" "bar2, 1st next"
 119 gdb_test "n" "foo \\(4\\);" "bar2, 2nd next"
 120
 121 if ![runto_main] {
 122     return -1
 123 }
 124
 125 gdb_breakpoint "bar1_label_3"
 126 setup_kfail "gdb/nnnnn" *-*-*
 127 gdb_continue_to_breakpoint "bar1_label_3" "bar1 \\(\\)"
 128
 129 gdb_breakpoint "bar2_label_3"
 130 setup_kfail "gdb/nnnnn" *-*-*
 131 gdb_continue_to_breakpoint "bar2_label_3" "bar2 \\(\\)"