gdb/testsuite/gdb.trace/read-memory.exp

   1 #   Copyright 2013-2021 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 load_lib "trace-support.exp"
  17
  18 standard_testfile
  19
  20 if {[prepare_for_testing "failed to prepare" $testfile $srcfile {debug nopie}]} {
  21     return -1
  22 }
  23
  24 if ![runto_main] {
  25     fail "can't run to main to check for trace support"
  26     return -1
  27 }
  28
  29 if ![gdb_target_supports_trace] {
  30     unsupported "target does not support trace"
  31     return -1
  32 }
  33
  34 # Set tracepoints, start tracing and collect data.
  35
  36 proc set_tracepoint_and_collect { } {
  37     global testfile srcfile
  38
  39     # Start with a fresh gdb.
  40     clean_restart ${testfile}
  41     if ![runto_main] {
  42         fail "can't run to main"
  43         return -1
  44     }
  45     gdb_breakpoint "end" qualified
  46     gdb_test "trace start" "Tracepoint \[0-9\] at .*"
  47     gdb_trace_setactions "set action for tracepoint"  "" \
  48         "collect testglob" "^$" \
  49         "collect constglob" "^$"
  50
  51     gdb_test_no_output "tstart"
  52     gdb_test "continue" ".*Breakpoint.* end .*at.*$srcfile.*" \
  53         "continue to end"
  54     gdb_test_no_output "tstop"
  55 }
  56
  57 with_test_prefix "live" {
  58     set_tracepoint_and_collect
  59
  60     gdb_test "print testglob" " = 2"
  61     gdb_test "print testglob_not_collected" " = 12"
  62     gdb_test "print constglob" " = 10000"
  63     gdb_test "print constglob_not_collected" " = 100"
  64 }
  65
  66 with_test_prefix "live target tfind" {
  67     gdb_test "tfind 0" "Found trace frame 0, tracepoint \[0-9\]+.*" \
  68         "tfind 0"
  69     gdb_test "print testglob" " = 1"
  70     gdb_test "print testglob_not_collected" " = <unavailable>"
  71     gdb_test "print constglob" " = 10000"
  72     gdb_test "print constglob_not_collected" " = 100"
  73     gdb_test "tfind" "Target failed to find requested trace frame." \
  74         "tfind does not find a second frame"
  75 }
  76
  77 # Save trace frames to trace file.
  78 set tracefile [standard_output_file ${testfile}]
  79 gdb_test "tsave ${tracefile}.tfile" \
  80     "Trace data saved to file '${tracefile}.tfile'.*" \
  81     "save tfile trace"
  82
  83 # Test read memory when changing target from remote to ${target}.
  84
  85 proc test_from_remote { target } {
  86     global gdb_prompt testfile
  87     global tracefile
  88
  89     with_test_prefix "remote to ${target}" {
  90         set_tracepoint_and_collect
  91
  92         # Change target to ${target}.
  93         set test "change target"
  94         gdb_test_multiple "target ${target} ${tracefile}.${target}" "$test" {
  95             -re "A program is being debugged already.  Kill it. .y or n. " {
  96                 send_gdb "y\n"
  97                 exp_continue
  98             }
  99             -re "$gdb_prompt $" {
 100                 pass "$test"
 101             }
 102         }
 103
 104         with_test_prefix "w/o setting traceframe" {
 105             gdb_test "print testglob" " = <unavailable>"
 106             gdb_test "print testglob_not_collected" " = <unavailable>"
 107             gdb_test "print constglob" " = 10000"
 108             gdb_test "print constglob_not_collected" " = 100"
 109         }
 110         with_test_prefix "w/ setting traceframe" {
 111             gdb_test "tfind 0" "Found trace frame 0, tracepoint \[0-9\]+.*" \
 112                 "tfind 0"
 113             gdb_test "print testglob" " = 1"
 114             gdb_test "print testglob_not_collected" " = <unavailable>"
 115             gdb_test "print constglob" " = 10000"
 116             gdb_test "print constglob_not_collected" " = 100"
 117             gdb_test "tfind" "Target failed to find requested trace frame." \
 118                 "tfind does not find a second frame"
 119         }
 120     }
 121 }
 122
 123 test_from_remote "tfile"
 124
 125 # Test read memory when changing target from exec to ${target}
 126
 127 proc teset_from_exec { target } {
 128     global srcdir subdir binfile testfile
 129     global tracefile
 130
 131     # Restart GDB and read the trace data in ${target} target.
 132     gdb_exit
 133     gdb_start
 134     gdb_reinitialize_dir $srcdir/$subdir
 135     gdb_file_cmd $binfile
 136
 137     gdb_test "target ${target} ${tracefile}.${target}" ".*" \
 138         "change to ${target} target"
 139
 140     with_test_prefix "exec to ${target} w/o setting traceframe" {
 141         gdb_test "print testglob" " = <unavailable>"
 142         gdb_test "print testglob_not_collected" " = <unavailable>"
 143         gdb_test "print constglob" " = 10000"
 144         gdb_test "print constglob_not_collected" " = 100"
 145     }
 146
 147     with_test_prefix "exec to ${target} w/ setting traceframe" {
 148         gdb_test "tfind 0" "Found trace frame 0, tracepoint \[0-9\]+.*" \
 149             "tfind 0"
 150         gdb_test "print testglob" " = 1"
 151         gdb_test "print testglob_not_collected" " = <unavailable>"
 152         gdb_test "print constglob" " = 10000"
 153         gdb_test "print constglob_not_collected" " = 100"
 154         gdb_test "tfind" "Target failed to find requested trace frame." \
 155             "tfind does not find a second frame"
 156     }
 157 }
 158
 159 teset_from_exec "tfile"