gdb/testsuite/gdb.arch/aarch64-atomic-inst.exp

   1 # Copyright 2008-2021 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 # This file is part of the gdb testsuite.
  17
  18 # Test single stepping through atomic sequences beginning with
  19 # a ldxr instruction and ending with a stxr instruction.
  20
  21 if {![is_aarch64_target]} {
  22     verbose "Skipping ${gdb_test_file_name}."
  23     return
  24 }
  25
  26 standard_testfile
  27 if { [prepare_for_testing "failed to prepare" ${testfile} ${srcfile}] } {
  28     return -1
  29 }
  30
  31 if ![runto_main] {
  32     untested "could not run to main"
  33     return -1
  34 }
  35
  36 gdb_breakpoint "[gdb_get_line_number "ldxr"]" \
  37   "Breakpoint $decimal at $hex" \
  38   "Set the breakpoint at the start of the sequence"
  39
  40 gdb_test "continue" "Continuing.*Breakpoint $decimal.*" \
  41   "Continue until breakpoint"
  42
  43 gdb_test "next" ".*__asm __volatile.*" \
  44   "Step through the ldxr/stxr sequence"
  45
  46 gdb_test "next" ".*return dword.*" \
  47   "Stepped through sequence through conditional branch"