gdb/testsuite/gdb.trace/mi-trace-unavailable.exp

   1 # Copyright 2013-2023 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 "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 "current target does not support trace"
  30     return -1
  31 }
  32
  33 gdb_exit
  34
  35 load_lib mi-support.exp
  36 set MIFLAGS "-i=mi"
  37
  38 mi_clean_restart $binfile
  39 mi_runto_main
  40
  41 mi_gdb_test "-break-insert marker" \
  42     "\\^done,bkpt=\{number=\"${decimal}\",type=\"breakpoint\".*\"\}" \
  43     "insert tracepoint on marker"
  44 mi_gdb_test "-break-insert -a bar" \
  45     "\\^done,bkpt=\{number=\"${decimal}\",type=\"tracepoint\".*\"\}" \
  46     "insert tracepoint on bar"
  47
  48 # Define an action.
  49 mi_gdb_test "-break-commands 3 \"collect array\" \"collect j\" \"end\" " \
  50     {\^done} "set action"
  51
  52 mi_gdb_test "-break-insert -a foo" \
  53     "\\^done,bkpt=\{number=\"${decimal}\",type=\"tracepoint\".*\"\}" \
  54     "insert tracepoint on foo"
  55
  56 # Collect 'main' to make sure no registers are collected except PC.
  57 mi_gdb_test "-break-commands 4 \"collect main\" \"end\" " \
  58     {\^done} "set action on tracepoint 4"
  59
  60 mi_gdb_test "-trace-start" {.*\^done} "trace start"
  61 mi_send_resuming_command "exec-continue" "continuing to marker"
  62 mi_expect_stop \
  63     "breakpoint-hit" "marker" ".*" ".*" ".*" {"" "disp=\"keep\""} \
  64     "stop at marker"
  65 mi_gdb_test "-trace-stop" {.*} "trace stop"
  66
  67 # Save trace frames to tfile.
  68 set tracefile [standard_output_file ${testfile}]
  69 mi_gdb_test "-trace-save ${tracefile}.tf" ".*\\^done" \
  70     "save tfile trace file"
  71 # Save trace frames to ctf.
  72 mi_gdb_test "-trace-save -ctf ${tracefile}.ctf" ".*\\^done" \
  73     "save ctf trace file"
  74
  75 proc test_trace_unavailable { data_source } {
  76     global decimal
  77
  78     with_test_prefix "$data_source" {
  79
  80         # Test MI commands '-stack-list-locals', '-stack-list-arguments',
  81         #  and '-stack-list-variables'.
  82         mi_gdb_test "-trace-find frame-number 0" \
  83             ".*\\^done,found=\"1\",tracepoint=\"${decimal}\",traceframe=\"0\",frame=\{.*" \
  84             "-trace-find frame-number 0"
  85
  86         # The "print entry-values" option shouldn't affect the output of
  87         # '-stack-list-locals'.
  88         foreach entry_values { no only preferred if-needed both compact default } {
  89             mi_gdb_test "-gdb-set print entry-values $entry_values" {\^done} ""
  90
  91             with_test_prefix "$entry_values" {
  92                 # Test MI command '-stack-list-locals'.
  93                 mi_gdb_test "-stack-list-locals --simple-values" \
  94                     ".*\\^done,locals=\\\[\{name=\"array\",type=\"unsigned char \\\[2\\\]\"\},\{name=\"i\",type=\"int\",value=\"<unavailable>\"\}\\\]" \
  95                     "-stack-list-locals --simple-values"
  96             }
  97         }
  98
  99         mi_gdb_test "-gdb-set print entry-values no" {\^done} \
 100             "-gdb-set print entry-values no"
 101
 102         # Test MI command '-stack-list-locals'.
 103         mi_gdb_test "-stack-list-locals --simple-values" \
 104             ".*\\^done,locals=\\\[\{name=\"array\",type=\"unsigned char \\\[2\\\]\"\},\{name=\"i\",type=\"int\",value=\"<unavailable>\"\}\\\]" \
 105             "-stack-list-locals --simple-values"
 106         mi_gdb_test "-stack-list-locals --skip-unavailable --simple-values" \
 107             ".*\\^done,locals=\\\[\{name=\"array\",type=\"unsigned char \\\[2\\\]\"\}\\\]" \
 108             "-stack-list-locals --skip-unavailable --simple-values"
 109
 110         # Test MI command '-stack-list-arguments'.
 111         mi_gdb_test "-stack-list-arguments --simple-values" \
 112             ".*\\^done,stack-args=\\\[frame=\{level=\"0\",args=\\\[\{name=\"j\",type=\"int\",value=\"4\"\},\{name=\"s\",type=\"char \\\*\",value=\"<unavailable>\"\}\\\]\},.*\}.*" \
 113             "-stack-list-arguments --simple-values"
 114         mi_gdb_test "-stack-list-arguments --skip-unavailable --simple-values" \
 115             ".*\\^done,stack-args=\\\[frame=\{level=\"0\",args=\\\[\{name=\"j\",type=\"int\",value=\"4\"\}\\\]\},.*\}.*" \
 116             "-stack-list-arguments --skip-unavailable --simple-values"
 117
 118         # Test MI command '-stack-list-variables'.
 119         mi_gdb_test "-stack-list-variables --simple-values" \
 120             ".*\\^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>\"\}\\\]" \
 121             "-stack-list-variables --simple-values"
 122         mi_gdb_test "-stack-list-variables --skip-unavailable --simple-values" \
 123             ".*\\^done,variables=\\\[\{name=\"j\",arg=\"1\",type=\"int\",value=\"4\"\},\{name=\"array\",type=\"unsigned char \\\[2\\\]\"\}\\\]" \
 124             "-stack-list-variables --skip-unavailable --simple-values"
 125
 126         mi_gdb_test "-trace-find frame-number 1" \
 127             ".*\\^done,found=\"1\",tracepoint=\"${decimal}\",traceframe=\"1\",frame=\{.*" \
 128             "-trace-find frame-number 1"
 129
 130         set pcnum -1
 131         set gpr0num -1
 132         if [is_amd64_regs_target] {
 133             set pcnum 16
 134             set gpr0num 0
 135         } elseif [is_x86_like_target] {
 136             set pcnum 8
 137             set gpr0num 0
 138         } elseif [is_aarch64_target] {
 139             set pcnum 32
 140             set gpr0num 0
 141         } elseif [istarget "powerpc*-*-*"] {
 142             set pcnum 64
 143             set gpr0num 0
 144         } elseif { [istarget "s390*-*-*"] } {
 145             # Strictly speaking, this is PSWA, not PC.
 146             set pcnum 1
 147             set gpr0num 2
 148         } else {
 149             # Other ports support tracepoint should define the number
 150             # of its own pc register.
 151         }
 152
 153         if { $pcnum != -1 } {
 154             global hex
 155             # Test that register 0 and PC are displayed, and register
 156             # 0 is unavailable.
 157             mi_gdb_test "-data-list-register-values x ${gpr0num} ${pcnum}" \
 158                 ".*\\^done,register-values=\\\[\{number=\"${gpr0num}\",value=\"<unavailable>\"\},\{number=\"${pcnum}\",value=\"${hex}\"\}\\\]" \
 159                 "-data-list-register-values x"
 160
 161             # Test that only available register PC is displayed.
 162             mi_gdb_test "-data-list-register-values --skip-unavailable x ${gpr0num} ${pcnum}" \
 163                 ".*\\^done,register-values=\\\[\{number=\"${pcnum}\",value=\"${hex}\"\}\\\]" \
 164                 "-data-list-register-values --skip-unavailable x"
 165         }
 166
 167         # Don't issue command '-trace-find none' to return from
 168         # tfind mode (examining trace frames) on purpose, in order
 169         # to test that GDB is able to clear its tracing-related local state
 170         # in the next -target-select.
 171         # mi_gdb_test "-trace-find none" ".*\\^done,found=\"0\".*" "-trace-find none"
 172     }
 173 }
 174
 175 test_trace_unavailable "live"
 176
 177 # Change target to ctf if GDB supports it.
 178 set msg "-target-select ctf"
 179 send_gdb "-target-select ctf ${tracefile}.ctf\n"
 180 gdb_expect {
 181     -re ".*\\^connected.*${mi_gdb_prompt}$" {
 182         # GDB supports ctf, do the test.
 183         test_trace_unavailable "ctf"
 184     }
 185     -re ".*\\^error,msg=\"Undefined target command.*${mi_gdb_prompt}$" {
 186         # GDB doesn't support ctf, skip the test.
 187         unsupported "gdb does not support ctf target"
 188     }
 189     -re ".*$mi_gdb_prompt$" {
 190         fail "$msg"
 191     }
 192     timeout {
 193         fail "$msg (timeout)"
 194     }
 195 }
 196
 197 # Change target to tfile.
 198 mi_gdb_test "-target-select tfile ${tracefile}.tf" ".*\\^connected.*" \
 199     "-target-select tfile"
 200 test_trace_unavailable "tfile"
 201
 202 mi_gdb_exit