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      1 # Copyright 2020-2025 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 require dwarf2_support
     22 
     23 # The .c files use __attribute__.
     24 require is_c_compiler_gcc
     25 
     26 standard_testfile imported-unit-bp-alt.c .S imported-unit-bp-main.c
     27 
     28 set build_options {nodebug optimize=-O1}
     29 
     30 set asm_file [standard_output_file $srcfile2]
     31 Dwarf::assemble $asm_file {
     32     global srcdir subdir srcfile srcfile
     33     global build_options
     34     global lang
     35     declare_labels lines_label callee_subprog_label cu_label
     36 
     37     get_func_info func "$build_options additional_flags=-DWITHMAIN"
     38 
     39     cu {} {
     40 	compile_unit {
     41 	    {language @$lang}
     42 	    {name "<artificial>"}
     43 	} {
     44 	    imported_unit {
     45 		{import %$cu_label}
     46 	    }
     47 	}
     48     }
     49 
     50     cu {} {
     51 	cu_label: compile_unit {
     52 	    {producer "gcc"}
     53 	    {language @$lang}
     54 	    {name ${srcfile}}
     55 	    {comp_dir "/tmp"}
     56 	    {low_pc 0 addr}
     57 	    {stmt_list ${lines_label} DW_FORM_sec_offset}
     58 	} {
     59 	    callee_subprog_label: subprogram {
     60 		{external 1 flag}
     61 		{name callee}
     62 		{inline 3 data1}
     63 	    }
     64 	    subprogram {
     65 		{external 1 flag}
     66 		{name func}
     67 		{low_pc $func_start addr}
     68 		{high_pc "$func_start + $func_len" addr}
     69 	    } {
     70 	    }
     71 	}
     72     }
     73 
     74     lines {version 2 default_is_stmt 1} lines_label {
     75 	include_dir "/tmp"
     76 	file_name "$srcfile" 1
     77 
     78 	program {
     79 	    DW_LNE_set_address line_label_1
     80 	    DW_LNS_advance_line 15
     81 	    DW_LNS_copy
     82 
     83 	    DW_LNE_set_address line_label_2
     84 	    DW_LNS_advance_line 1
     85 	    DW_LNS_copy
     86 
     87 	    DW_LNE_set_address line_label_3
     88 	    DW_LNS_advance_line 4
     89 	    DW_LNS_copy
     90 
     91 	    DW_LNE_set_address line_label_4
     92 	    DW_LNS_advance_line 1
     93 	    DW_LNS_copy
     94 
     95 	    DW_LNS_advance_pc 0
     96 	    DW_LNS_advance_line -4
     97 	    DW_LNS_negate_stmt
     98 	    DW_LNS_copy
     99 
    100 	    DW_LNE_set_address line_label_5
    101 	    DW_LNS_advance_line 1
    102 	    DW_LNS_copy
    103 
    104 	    DW_LNE_set_address line_label_6
    105 	    DW_LNS_advance_line 1
    106 	    DW_LNS_negate_stmt
    107 	    DW_LNS_copy
    108 
    109 	    DW_LNE_set_address "$func_start + $func_len"
    110 	    DW_LNE_end_sequence
    111 	}
    112     }
    113 }
    114 
    115 if { [prepare_for_testing "failed to prepare" ${testfile} \
    116 	  [list $srcfile $asm_file $srcfile3] $build_options] } {
    117     return -1
    118 }
    119 
    120 gdb_reinitialize_dir /tmp
    121 
    122 # Compilation on remote host downloads the source files to remote host, but
    123 # doesn't clean them up, allowing gdb to find $srcfile, in contrast to
    124 # non-remote host.
    125 remote_file host delete $srcfile
    126 
    127 # Using an absolute path is important to see the bug.
    128 gdb_test "break /tmp/${srcfile}:19" "Breakpoint .* file $srcfile, line .*"
    129