gdb/testsuite/gdb.dwarf2/dw2-single-line-discriminators.exp

   1 # Copyright 2012-2022 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 gdb's coalescing of multiple line number entries for the same line
  17 # but with different discriminators.  PR 17276.
  18
  19 load_lib dwarf.exp
  20
  21 # This test can only be run on targets which support DWARF-2 and use gas.
  22 if ![dwarf2_support] {
  23     return 0
  24 }
  25
  26 # This test can only be run on x86-64 targets.
  27 if {![istarget x86_64-*] || ![is_lp64_target]} {
  28     return 0
  29 }
  30
  31 standard_testfile .S
  32 set csrcfile ${testfile}.c
  33
  34 if { [prepare_for_testing "failed to prepare" "${testfile}" $srcfile {nodebug nopie}] } {
  35     return -1
  36 }
  37
  38 if ![runto_main] then {
  39     continue
  40 }
  41
  42 set srcline [gdb_get_line_number "stepi line" $csrcfile]
  43 gdb_breakpoint $srcline
  44 gdb_continue_to_breakpoint "stepi line"
  45
  46 # A stepi will land us in the middle of the line, and thus
  47 # gdb should print the pc value.
  48 gdb_test "stepi" "$hex\[ \t\]+$srcline\[ \t\]+\[^\r\n\]+"