gdb/testsuite/gdb.trace/range-stepping.exp

   1 # Copyright 2013-2017 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 load_lib "trace-support.exp"
  17 load_lib "range-stepping-support.exp"
  18
  19 standard_testfile
  20 set executable $testfile
  21
  22 if [prepare_for_testing "failed to prepare" $executable $srcfile \
  23         {debug nowarnings}] {
  24     return -1
  25 }
  26
  27 if ![runto_main] {
  28     fail "can't run to main to check for trace support"
  29     return -1
  30 }
  31
  32 if ![gdb_target_supports_trace] {
  33     unsupported "target does not support trace"
  34     return -1
  35 }
  36
  37 if ![gdb_range_stepping_enabled] {
  38     unsupported "range stepping not supported by the target"
  39     return -1
  40 }
  41
  42 # Check that range stepping works well with tracepoints.
  43
  44 proc range_stepping_with_tracepoint { type } {
  45     with_test_prefix "${type}" {
  46         gdb_breakpoint [gdb_get_line_number "location 1"]
  47         gdb_continue_to_breakpoint "location 1"
  48         delete_breakpoints
  49
  50         gdb_test "${type} *set_point" ".*"
  51         gdb_test_no_output "tstart"
  52
  53         # Step a line with a tracepoint in the middle.  The tracepoint
  54         # itself shouldn't have any effect on range stepping.  We
  55         # should see one vCont;r.
  56         exec_cmd_expect_vCont_count "step" 1
  57         gdb_test_no_output "tstop"
  58         gdb_test "tfind" "Found trace frame .*" "first tfind"
  59         gdb_test "tfind" \
  60             "Target failed to find requested trace frame.*" \
  61             "second tfind"
  62
  63         delete_breakpoints
  64     }
  65 }
  66
  67 range_stepping_with_tracepoint "trace"
  68
  69 set libipa [get_in_proc_agent]
  70 set remote_libipa [gdb_load_shlib $libipa]
  71
  72 if { [gdb_compile "$srcdir/$subdir/$srcfile" $binfile \
  73           executable [list debug nowarnings shlib=$libipa] ] != "" } {
  74     untested "failed to compile"
  75     return -1
  76 }
  77
  78 clean_restart ${executable}
  79
  80 if ![runto_main] {
  81     fail "can't run to main for ftrace tests"
  82     return 0
  83 }
  84
  85 gdb_reinitialize_dir $srcdir/$subdir
  86 if { [gdb_test "info sharedlibrary" ".*${remote_libipa}.*" "IPA loaded"] != 0 } {
  87     untested "could not find IPA lib loaded"
  88 } else {
  89     range_stepping_with_tracepoint "ftrace"
  90 }