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

   1 # Copyright 2013-2024 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 $srcfile \
  23         {debug nowarnings}] {
  24     return -1
  25 }
  26
  27 if ![runto_main] {
  28     return -1
  29 }
  30
  31 if ![gdb_target_supports_trace] {
  32     unsupported "target does not support trace"
  33     return -1
  34 }
  35
  36 if ![gdb_range_stepping_enabled] {
  37     unsupported "range stepping not supported by the target"
  38     return -1
  39 }
  40
  41 # Check that range stepping works well with tracepoints.
  42
  43 proc range_stepping_with_tracepoint { type } {
  44     with_test_prefix "${type}" {
  45         gdb_breakpoint [gdb_get_line_number "location 1"]
  46         gdb_continue_to_breakpoint "location 1"
  47         delete_breakpoints
  48
  49         gdb_test "${type} *set_point" ".*"
  50         gdb_test_no_output "tstart"
  51
  52         # Step a line with a tracepoint in the middle.  The tracepoint
  53         # itself shouldn't have any effect on range stepping.  We
  54         # should see one vCont;r.
  55         exec_cmd_expect_vCont_count "step" 1
  56         gdb_test_no_output "tstop"
  57         gdb_test "tfind" "Found trace frame .*" "first tfind"
  58         gdb_test "tfind" \
  59             "Target failed to find requested trace frame.*" \
  60             "second tfind"
  61
  62         delete_breakpoints
  63     }
  64 }
  65
  66 range_stepping_with_tracepoint "trace"
  67
  68 require allow_shlib_tests
  69
  70 set libipa [get_in_proc_agent]
  71 set remote_libipa [gdb_load_shlib $libipa]
  72
  73 if { [gdb_compile "$srcdir/$subdir/$srcfile" $binfile \
  74           executable [list debug nowarnings shlib=$libipa] ] != "" } {
  75     untested "failed to compile"
  76     return -1
  77 }
  78
  79 clean_restart ${executable}
  80
  81 if ![runto_main] {
  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 }