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

   1 #   Copyright 2013-2014 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 $testfile.exp $testfile $srcfile debug]} {
  21     untested $testfile.exp
  22     return -1
  23 }
  24
  25 if ![runto_main] {
  26     fail "Can't run to main to check for trace support"
  27     return -1
  28 }
  29
  30 if ![gdb_target_supports_trace] {
  31     unsupported "target does not support trace"
  32     return -1
  33 }
  34
  35 # Set tracepoints, start tracing and collect data.
  36
  37 proc set_tracepoint_and_collect { } {
  38     global testfile srcfile
  39
  40     # Start with a fresh gdb.
  41     clean_restart ${testfile}
  42     if ![runto_main] {
  43         fail "Can't run to main"
  44         return -1
  45     }
  46     gdb_test "break end" "Breakpoint \[0-9\] at .*"
  47     gdb_test "trace start" "Tracepoint \[0-9\] at .*"
  48     gdb_trace_setactions "set action for tracepoint"  "" \
  49         "collect testglob" "^$" \
  50         "collect constglob" "^$"
  51
  52     gdb_test_no_output "tstart"
  53     gdb_test "continue" ".*Breakpoint.* end .*at.*$srcfile.*" \
  54         "continue to end"
  55     gdb_test_no_output "tstop"
  56 }
  57
  58 with_test_prefix "live" {
  59     set_tracepoint_and_collect
  60
  61     gdb_test "print testglob" " = 2"
  62     gdb_test "print testglob_not_collected" " = 12"
  63     gdb_test "print constglob" " = 10000"
  64     gdb_test "print constglob_not_collected" " = 100"
  65 }
  66
  67 with_test_prefix "live target tfind" {
  68     gdb_test "tfind 0" "Found trace frame 0, tracepoint \[0-9\]+.*" \
  69         "tfind 0"
  70     gdb_test "print testglob" " = 1"
  71     gdb_test "print testglob_not_collected" " = <unavailable>"
  72     gdb_test "print constglob" " = 10000"
  73     gdb_test "print constglob_not_collected" " = 100"
  74     gdb_test "tfind" "Target failed to find requested trace frame." \
  75         "tfind does not find a second frame"
  76 }
  77
  78 # Save trace frames to trace file.
  79 set tracefile [standard_output_file ${testfile}]
  80 gdb_test "tsave ${tracefile}.tfile" \
  81     "Trace data saved to file '${tracefile}.tfile'.*" \
  82     "save tfile trace"
  83
  84 # Test read memory when changing target from remote to ${target}.
  85
  86 proc test_from_remote { target } {
  87     global gdb_prompt testfile
  88     global tracefile
  89
  90     with_test_prefix "remote to ${target}" {
  91         set_tracepoint_and_collect
  92
  93         # Change target to ${target}.
  94         set test "change target"
  95         gdb_test_multiple "target ${target} ${tracefile}.${target}" "$test" {
  96             -re "A program is being debugged already.  Kill it. .y or n. " {
  97                 send_gdb "y\n"
  98                 exp_continue
  99             }
 100             -re "$gdb_prompt $" {
 101                 pass "$test"
 102             }
 103         }
 104
 105         with_test_prefix "w/o setting traceframe" {
 106             gdb_test "print testglob" " = <unavailable>"
 107             gdb_test "print testglob_not_collected" " = <unavailable>"
 108             gdb_test "print constglob" " = 10000"
 109             gdb_test "print constglob_not_collected" " = 100"
 110         }
 111         with_test_prefix "w/ setting traceframe" {
 112             gdb_test "tfind 0" "Found trace frame 0, tracepoint \[0-9\]+.*" \
 113                 "tfind 0"
 114             gdb_test "print testglob" " = 1"
 115             gdb_test "print testglob_not_collected" " = <unavailable>"
 116             gdb_test "print constglob" " = 10000"
 117             gdb_test "print constglob_not_collected" " = 100"
 118             gdb_test "tfind" "Target failed to find requested trace frame." \
 119                 "tfind does not find a second frame"
 120         }
 121     }
 122 }
 123
 124 test_from_remote "tfile"
 125
 126 # Test read memory when changing target from exec to ${target}
 127
 128 proc teset_from_exec { target } {
 129     global srcdir subdir binfile testfile
 130     global tracefile
 131
 132     # Restart GDB and read the trace data in ${target} target.
 133     gdb_exit
 134     gdb_start
 135     gdb_reinitialize_dir $srcdir/$subdir
 136     gdb_file_cmd $binfile
 137
 138     gdb_test "target ${target} ${tracefile}.${target}" ".*" \
 139         "change to ${target} target"
 140
 141     with_test_prefix "exec to ${target} w/o setting traceframe" {
 142         gdb_test "print testglob" " = <unavailable>"
 143         gdb_test "print testglob_not_collected" " = <unavailable>"
 144         gdb_test "print constglob" " = 10000"
 145         gdb_test "print constglob_not_collected" " = 100"
 146     }
 147
 148     with_test_prefix "exec to ${target} w/ setting traceframe" {
 149         gdb_test "tfind 0" "Found trace frame 0, tracepoint \[0-9\]+.*" \
 150             "tfind 0"
 151         gdb_test "print testglob" " = 1"
 152         gdb_test "print testglob_not_collected" " = <unavailable>"
 153         gdb_test "print constglob" " = 10000"
 154         gdb_test "print constglob_not_collected" " = 100"
 155         gdb_test "tfind" "Target failed to find requested trace frame." \
 156             "tfind does not find a second frame"
 157     }
 158 }
 159
 160 teset_from_exec "tfile"