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

   1 #   Copyright 2013-2022 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 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     return -1
  26 }
  27
  28 if ![gdb_target_supports_trace] {
  29     unsupported "target does not support trace"
  30     return -1
  31 }
  32
  33 # Set tracepoints, start tracing and collect data.
  34
  35 proc set_tracepoint_and_collect { } {
  36     global testfile srcfile
  37
  38     # Start with a fresh gdb.
  39     clean_restart ${testfile}
  40     if ![runto_main] {
  41         return -1
  42     }
  43     gdb_breakpoint "end" qualified
  44     gdb_test "trace start" "Tracepoint \[0-9\] at .*"
  45     gdb_trace_setactions "set action for tracepoint"  "" \
  46         "collect testglob" "^$" \
  47         "collect constglob" "^$"
  48
  49     gdb_test_no_output "tstart"
  50     gdb_test "continue" ".*Breakpoint.* end .*at.*$srcfile.*" \
  51         "continue to end"
  52     gdb_test_no_output "tstop"
  53 }
  54
  55 with_test_prefix "live" {
  56     set_tracepoint_and_collect
  57
  58     gdb_test "print testglob" " = 2"
  59     gdb_test "print testglob_not_collected" " = 12"
  60     gdb_test "print constglob" " = 10000"
  61     gdb_test "print constglob_not_collected" " = 100"
  62 }
  63
  64 with_test_prefix "live target tfind" {
  65     gdb_test "tfind 0" "Found trace frame 0, tracepoint \[0-9\]+.*" \
  66         "tfind 0"
  67     gdb_test "print testglob" " = 1"
  68     gdb_test "print testglob_not_collected" " = <unavailable>"
  69     gdb_test "print constglob" " = 10000"
  70     gdb_test "print constglob_not_collected" " = 100"
  71     gdb_test "tfind" "Target failed to find requested trace frame." \
  72         "tfind does not find a second frame"
  73 }
  74
  75 # Save trace frames to trace file.
  76 set tracefile [standard_output_file ${testfile}]
  77 gdb_test "tsave ${tracefile}.tfile" \
  78     "Trace data saved to file '${tracefile}.tfile'.*" \
  79     "save tfile trace"
  80
  81 # Test read memory when changing target from remote to ${target}.
  82
  83 proc test_from_remote { target } {
  84     global gdb_prompt testfile
  85     global tracefile
  86
  87     with_test_prefix "remote to ${target}" {
  88         set_tracepoint_and_collect
  89
  90         # Change target to ${target}.
  91         set test "change target"
  92         gdb_test_multiple "target ${target} ${tracefile}.${target}" "$test" {
  93             -re "A program is being debugged already.  Kill it. .y or n. " {
  94                 send_gdb "y\n"
  95                 exp_continue
  96             }
  97             -re "$gdb_prompt $" {
  98                 pass "$test"
  99             }
 100         }
 101
 102         with_test_prefix "w/o setting traceframe" {
 103             gdb_test "print testglob" " = <unavailable>"
 104             gdb_test "print testglob_not_collected" " = <unavailable>"
 105             gdb_test "print constglob" " = 10000"
 106             gdb_test "print constglob_not_collected" " = 100"
 107         }
 108         with_test_prefix "w/ setting traceframe" {
 109             gdb_test "tfind 0" "Found trace frame 0, tracepoint \[0-9\]+.*" \
 110                 "tfind 0"
 111             gdb_test "print testglob" " = 1"
 112             gdb_test "print testglob_not_collected" " = <unavailable>"
 113             gdb_test "print constglob" " = 10000"
 114             gdb_test "print constglob_not_collected" " = 100"
 115             gdb_test "tfind" "Target failed to find requested trace frame." \
 116                 "tfind does not find a second frame"
 117         }
 118     }
 119 }
 120
 121 test_from_remote "tfile"
 122
 123 # Test read memory when changing target from exec to ${target}
 124
 125 proc teset_from_exec { target } {
 126     global srcdir subdir binfile testfile
 127     global tracefile
 128
 129     # Restart GDB and read the trace data in ${target} target.
 130     gdb_exit
 131     gdb_start
 132     gdb_reinitialize_dir $srcdir/$subdir
 133     gdb_file_cmd $binfile
 134
 135     gdb_test "target ${target} ${tracefile}.${target}" ".*" \
 136         "change to ${target} target"
 137
 138     with_test_prefix "exec to ${target} w/o setting traceframe" {
 139         gdb_test "print testglob" " = <unavailable>"
 140         gdb_test "print testglob_not_collected" " = <unavailable>"
 141         gdb_test "print constglob" " = 10000"
 142         gdb_test "print constglob_not_collected" " = 100"
 143     }
 144
 145     with_test_prefix "exec to ${target} w/ setting traceframe" {
 146         gdb_test "tfind 0" "Found trace frame 0, tracepoint \[0-9\]+.*" \
 147             "tfind 0"
 148         gdb_test "print testglob" " = 1"
 149         gdb_test "print testglob_not_collected" " = <unavailable>"
 150         gdb_test "print constglob" " = 10000"
 151         gdb_test "print constglob_not_collected" " = 100"
 152         gdb_test "tfind" "Target failed to find requested trace frame." \
 153             "tfind does not find a second frame"
 154     }
 155 }
 156
 157 teset_from_exec "tfile"