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dw2-line-number-zero.exp revision 1.1.1.1.2.1 
      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 \\(\\)"
    138