gdb/testsuite/gdb.trace/mi-trace-unavailable.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 trace-unavailable.c
  19
  20 if { [prepare_for_testing ${testfile}.exp ${testfile} ${srcfile} {debug}] } {
  21     return -1
  22 }
  23
  24 if ![runto_main] {
  25     fail "Can't run to main to check for trace support"
  26     return -1
  27 }
  28
  29 if ![gdb_target_supports_trace] {
  30     unsupported "Current target does not support trace"
  31     return -1
  32 }
  33
  34 gdb_exit
  35
  36 load_lib mi-support.exp
  37 set MIFLAGS "-i=mi"
  38
  39 if [mi_gdb_start] {
  40     return
  41 }
  42 mi_run_to_main
  43
  44 mi_gdb_test "-break-insert marker" \
  45     "\\^done,bkpt=\{number=\"${decimal}\",type=\"breakpoint\".*\"\}" \
  46     "insert tracepoint on marker"
  47 mi_gdb_test "-break-insert -a bar" \
  48     "\\^done,bkpt=\{number=\"${decimal}\",type=\"tracepoint\".*\"\}" \
  49     "insert tracepoint on bar"
  50
  51 # Define an action.
  52 mi_gdb_test "-break-commands 3 \"collect array\" \"collect j\" \"end\" " \
  53     {\^done} "set action"
  54
  55 mi_gdb_test "-break-insert -a foo" \
  56     "\\^done,bkpt=\{number=\"${decimal}\",type=\"tracepoint\".*\"\}" \
  57     "insert tracepoint on foo"
  58
  59 # Collect 'main' to make sure no registers are collected except PC.
  60 mi_gdb_test "-break-commands 4 \"collect main\" \"end\" " \
  61     {\^done} "set action on tracepoint 4"
  62
  63 mi_gdb_test "-trace-start" {.*\^done} "trace start"
  64 mi_send_resuming_command "exec-continue" "continuing to marker"
  65 mi_expect_stop \
  66     "breakpoint-hit" "marker" ".*" ".*" ".*" {"" "disp=\"keep\""} \
  67     "stop at marker"
  68 mi_gdb_test "-trace-stop" {.*} "trace stop"
  69
  70 # Save trace frames to tfile.
  71 set tracefile [standard_output_file ${testfile}]
  72 mi_gdb_test "-trace-save ${tracefile}.tf" ".*\\^done" \
  73     "save tfile trace file"
  74 # Save trace frames to ctf.
  75 mi_gdb_test "-trace-save -ctf ${tracefile}.ctf" ".*\\^done" \
  76     "save ctf trace file"
  77
  78 proc test_trace_unavailable { data_source } {
  79     global decimal
  80
  81     with_test_prefix "$data_source" {
  82
  83         # Test MI commands '-stack-list-locals', '-stack-list-arguments',
  84         #  and '-stack-list-variables'.
  85         mi_gdb_test "-trace-find frame-number 0" \
  86             ".*\\^done,found=\"1\",tracepoint=\"${decimal}\",traceframe=\"0\",frame=\{.*" \
  87             "-trace-find frame-number 0"
  88
  89         # The "print entry-values" option shouldn't affect the output of
  90         # '-stack-list-locals'.
  91         foreach entry_values { no only preferred if-needed both compact default } {
  92             mi_gdb_test "-gdb-set print entry-values $entry_values" {\^done} ""
  93
  94             with_test_prefix "$entry_values" {
  95                 # Test MI command '-stack-list-locals'.
  96                 mi_gdb_test "-stack-list-locals --simple-values" \
  97                     ".*\\^done,locals=\\\[\{name=\"array\",type=\"unsigned char \\\[2\\\]\"\},\{name=\"i\",type=\"int\",value=\"<unavailable>\"\}\\\]" \
  98                     "-stack-list-locals --simple-values"
  99             }
 100         }
 101
 102         mi_gdb_test "-gdb-set print entry-values no" {\^done} \
 103             "-gdb-set print entry-values no"
 104
 105         # Test MI command '-stack-list-locals'.
 106         mi_gdb_test "-stack-list-locals --simple-values" \
 107             ".*\\^done,locals=\\\[\{name=\"array\",type=\"unsigned char \\\[2\\\]\"\},\{name=\"i\",type=\"int\",value=\"<unavailable>\"\}\\\]" \
 108             "-stack-list-locals --simple-values"
 109         mi_gdb_test "-stack-list-locals --skip-unavailable --simple-values" \
 110             ".*\\^done,locals=\\\[\{name=\"array\",type=\"unsigned char \\\[2\\\]\"\}\\\]" \
 111             "-stack-list-locals --skip-unavailable --simple-values"
 112
 113         # Test MI command '-stack-list-arguments'.
 114         mi_gdb_test "-stack-list-arguments --simple-values" \
 115             ".*\\^done,stack-args=\\\[frame=\{level=\"0\",args=\\\[\{name=\"j\",type=\"int\",value=\"4\"\},\{name=\"s\",type=\"char \\\*\",value=\"<unavailable>\"\}\\\]\},.*\}.*" \
 116             "-stack-list-arguments --simple-values"
 117         mi_gdb_test "-stack-list-arguments --skip-unavailable --simple-values" \
 118             ".*\\^done,stack-args=\\\[frame=\{level=\"0\",args=\\\[\{name=\"j\",type=\"int\",value=\"4\"\}\\\]\},.*\}.*" \
 119             "-stack-list-arguments --skip-unavailable --simple-values"
 120
 121         # Test MI command '-stack-list-variables'.
 122         mi_gdb_test "-stack-list-variables --simple-values" \
 123             ".*\\^done,variables=\\\[\{name=\"j\",arg=\"1\",type=\"int\",value=\"4\"\},\{name=\"s\",arg=\"1\",type=\"char \\\*\",value=\"<unavailable>\"\},\{name=\"array\",type=\"unsigned char \\\[2\\\]\"\},\{name=\"i\",type=\"int\",value=\"<unavailable>\"\}\\\]" \
 124             "-stack-list-variables --simple-values"
 125         mi_gdb_test "-stack-list-variables --skip-unavailable --simple-values" \
 126             ".*\\^done,variables=\\\[\{name=\"j\",arg=\"1\",type=\"int\",value=\"4\"\},\{name=\"array\",type=\"unsigned char \\\[2\\\]\"\}\\\]" \
 127             "-stack-list-variables --skip-unavailable --simple-values"
 128
 129         mi_gdb_test "-trace-find frame-number 1" \
 130             ".*\\^done,found=\"1\",tracepoint=\"${decimal}\",traceframe=\"1\",frame=\{.*" \
 131             "-trace-find frame-number 1"
 132
 133         set pcnum 0
 134         if [is_amd64_regs_target] {
 135             set pcnum 16
 136         } elseif [is_x86_like_target] {
 137             set pcnum 8
 138         } else {
 139             # Other ports support tracepoint should define the number
 140             # of its own pc register.
 141         }
 142
 143         if { $pcnum != 0 } {
 144             global hex
 145             # Test that register 0 and PC are displayed, and register
 146             # 0 is unavailable.
 147             mi_gdb_test "-data-list-register-values x 0 ${pcnum}" \
 148                 ".*\\^done,register-values=\\\[\{number=\"0\",value=\"<unavailable>\"\},\{number=\"${pcnum}\",value=\"${hex}\"\}\\\]" \
 149                 "-data-list-register-values x"
 150
 151             # Test that only available register PC is displayed.
 152             mi_gdb_test "-data-list-register-values --skip-unavailable x 0 ${pcnum}" \
 153                 ".*\\^done,register-values=\\\[\{number=\"${pcnum}\",value=\"${hex}\"\}\\\]" \
 154                 "-data-list-register-values --skip-unavailable x"
 155         }
 156
 157         # Don't issue command '-trace-find none' to return from
 158         # tfind mode (examining trace frames) on purpose, in order
 159         # to test that GDB is able to clear its tracing-related local state
 160         # in the next -target-select.
 161         # mi_gdb_test "-trace-find none" ".*\\^done,found=\"0\".*" "-trace-find none"
 162     }
 163 }
 164
 165 test_trace_unavailable "live"
 166
 167 # Change target to ctf if GDB supports it.
 168 set msg "-target-select ctf"
 169 send_gdb "-target-select ctf ${tracefile}.ctf\n"
 170 gdb_expect {
 171     -re ".*\\^connected.*${mi_gdb_prompt}$" {
 172         # GDB supports ctf, do the test.
 173         test_trace_unavailable "ctf"
 174     }
 175     -re ".*\\^error,msg=\"Undefined target command.*${mi_gdb_prompt}$" {
 176         # GDB doesn't support ctf, skip the test.
 177         unsupported "gdb does not support ctf target"
 178     }
 179     -re ".*$mi_gdb_prompt$" {
 180         fail "$msg"
 181     }
 182     timeout {
 183         fail "$msg (timeout)"
 184     }
 185 }
 186
 187 # Change target to tfile.
 188 mi_gdb_test "-target-select tfile ${tracefile}.tf" ".*\\^connected.*" \
 189     "-target-select tfile"
 190 test_trace_unavailable "tfile"
 191
 192 mi_gdb_exit