gdb/testsuite/gdb.dwarf2/imported-unit-bp.exp.tcl

   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
  16 # Test that "break /absolute/file:line" works ok with imported CUs.
  17
  18 load_lib dwarf.exp
  19
  20 # This test can only be run on targets which support DWARF-2 and use gas.
  21 if {![dwarf2_support]} {
  22     return 0
  23 }
  24
  25 # The .c files use __attribute__.
  26 if ![is_c_compiler_gcc] {
  27     return 0
  28 }
  29
  30 standard_testfile imported-unit-bp-alt.c .S imported-unit-bp-main.c
  31
  32 set build_options {nodebug optimize=-O1}
  33
  34 set asm_file [standard_output_file $srcfile2]
  35 Dwarf::assemble $asm_file {
  36     global srcdir subdir srcfile srcfile
  37     global build_options
  38     global lang
  39     declare_labels lines_label callee_subprog_label cu_label
  40
  41     get_func_info func "$build_options additional_flags=-DWITHMAIN"
  42
  43     cu {} {
  44         compile_unit {
  45             {language @$lang}
  46             {name "<artificial>"}
  47         } {
  48             imported_unit {
  49                 {import %$cu_label}
  50             }
  51         }
  52     }
  53
  54     cu {} {
  55         cu_label: compile_unit {
  56             {producer "gcc"}
  57             {language @$lang}
  58             {name ${srcfile}}
  59             {comp_dir "/tmp"}
  60             {low_pc 0 addr}
  61             {stmt_list ${lines_label} DW_FORM_sec_offset}
  62         } {
  63             callee_subprog_label: subprogram {
  64                 {external 1 flag}
  65                 {name callee}
  66                 {inline 3 data1}
  67             }
  68             subprogram {
  69                 {external 1 flag}
  70                 {name func}
  71                 {low_pc $func_start addr}
  72                 {high_pc "$func_start + $func_len" addr}
  73             } {
  74             }
  75         }
  76     }
  77
  78     lines {version 2 default_is_stmt 1} lines_label {
  79         include_dir "/tmp"
  80         file_name "$srcfile" 1
  81
  82         program {
  83             DW_LNE_set_address line_label_1
  84             DW_LNS_advance_line 15
  85             DW_LNS_copy
  86
  87             DW_LNE_set_address line_label_2
  88             DW_LNS_advance_line 1
  89             DW_LNS_copy
  90
  91             DW_LNE_set_address line_label_3
  92             DW_LNS_advance_line 4
  93             DW_LNS_copy
  94
  95             DW_LNE_set_address line_label_4
  96             DW_LNS_advance_line 1
  97             DW_LNS_copy
  98
  99             DW_LNS_advance_pc 0
 100             DW_LNS_advance_line -4
 101             DW_LNS_negate_stmt
 102             DW_LNS_copy
 103
 104             DW_LNE_set_address line_label_5
 105             DW_LNS_advance_line 1
 106             DW_LNS_copy
 107
 108             DW_LNE_set_address line_label_6
 109             DW_LNS_advance_line 1
 110             DW_LNS_negate_stmt
 111             DW_LNS_copy
 112
 113             DW_LNE_set_address "$func_start + $func_len"
 114             DW_LNE_end_sequence
 115         }
 116     }
 117 }
 118
 119 if { [prepare_for_testing "failed to prepare" ${testfile} \
 120           [list $srcfile $asm_file $srcfile3] $build_options] } {
 121     return -1
 122 }
 123
 124 gdb_reinitialize_dir /tmp
 125
 126 # Compilation on remote host downloads the source files to remote host, but
 127 # doesn't clean them up, allowing gdb to find $srcfile, in contrast to
 128 # non-remote host.
 129 remote_file host delete $srcfile
 130
 131 # Using an absolute path is important to see the bug.
 132 gdb_test "break /tmp/${srcfile}:19" "Breakpoint .* file $srcfile, line .*"