gdb/testsuite/gdb.trace/tsv.exp

   1 #   Copyright 2009-2018 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
  19 gdb_exit
  20 gdb_start
  21 standard_testfile actions.c
  22 if { [gdb_compile "$srcdir/$subdir/$srcfile" $binfile \
  23           executable {debug nowarnings}] != "" } {
  24     untested "failed to compile"
  25     return -1
  26 }
  27 gdb_load $binfile
  28
  29 # PR gdb/21352: Command tsave does not support -r argument
  30 gdb_test "tsave -r" "Argument required \\\(file in which to save trace data\\\)\." \
  31     "tsave command properly supports -r argument"
  32
  33 gdb_test "tvariable \$tvar1" \
  34   "Trace state variable \\\$tvar1 created, with initial value 0." \
  35   "create a trace state variable"
  36
  37 gdb_test "tvariable \$tvar2 = 45" \
  38   "Trace state variable \\\$tvar2 created, with initial value 45." \
  39   "create a trace state variable with initial value"
  40
  41 gdb_test "tvariable \$tvar2 = -92" \
  42   "Trace state variable \\\$tvar2 now has initial value -92." \
  43   "change initial value of a trace state variable"
  44
  45 gdb_test "tvariable \$tvar3 = 2 + 3" \
  46   "Trace state variable \\\$tvar3 created, with initial value 5." \
  47   "create a trace state variable with expression"
  48
  49 gdb_test "tvariable \$tvar3 = 1234567000000" \
  50   "Trace state variable \\\$tvar3 now has initial value 1234567000000." \
  51   "init trace state variable to a 64-bit value"
  52
  53 gdb_test "tvariable $" \
  54   "Must supply a non-empty variable name" \
  55   "tvariable syntax error, not empty variable name"
  56
  57 gdb_test "tvariable main" \
  58   "Name of trace variable should start with '\\\$'" \
  59   "tvariable syntax error, bad name"
  60
  61 gdb_test "tvariable \$\$" \
  62   "Syntax must be \\\$NAME \\\[ = EXPR \\\]" \
  63   "tvariable syntax error, bad name 2"
  64
  65 gdb_test "tvariable \$123" \
  66   "\\\$123 is not a valid trace state variable name" \
  67   "tvariable syntax error, bad name 3"
  68
  69 gdb_test "tvariable \$tvar1 - 93" \
  70   "Syntax must be \\\$NAME \\\[ = EXPR \\\]" \
  71   "tvariable syntax error, not an assignment"
  72
  73 gdb_test "tvariable \$tvar0 = 1 = 1" \
  74   "Left operand of assignment is not an lvalue\." \
  75   "tvariable creation fails with invalid expression"
  76
  77 gdb_test "info tvariables" \
  78     "Name\[\t \]+Initial\[\t \]+Current.*
  79 \\\$tvar1\[\t \]+0\[\t \]+<undefined>.*
  80 \\\$tvar2\[\t \]+-92\[\t \]+<undefined>.*
  81 \\\$tvar3\[\t \]+1234567000000\[\t \]+.*<undefined>.*" \
  82   "List tvariables"
  83
  84 gdb_test "print \$tvar2" " = void" \
  85     "Print a trace state variable before run"
  86
  87 gdb_test_no_output "delete tvariable \$tvar2" \
  88   "delete trace state variable"
  89
  90 gdb_test "info tvariables" \
  91     "Name\[\t \]+Initial\[\t \]+Current.*
  92 \\\$tvar1\[\t \]+0\[\t \]+<undefined>.*
  93 \\\$tvar3\[\t \]+1234567000000\[\t \]+.*<undefined>.*" \
  94   "List tvariables after deletion"
  95
  96 gdb_test "delete tvariable" \
  97     "" \
  98     "Delete all trace state variables" \
  99     "Delete all trace state variables.*y or n.*$" \
 100     "y"
 101
 102 gdb_test "info tvariables" \
 103   "No trace state variables.*" \
 104   "list tvariables after deleting all"
 105
 106 # Now try running a trace.
 107
 108 runto_main
 109 gdb_reinitialize_dir $srcdir/$subdir
 110
 111 # The rest of the testing needs actual tracing to work.
 112 if { ![gdb_target_supports_trace] } then {
 113     unsupported "current target does not support trace"
 114     return 1
 115 }
 116
 117 gdb_delete_tracepoints
 118 set trcpt1 [gdb_gettpnum gdb_c_test]
 119
 120 if { $trcpt1 <= 0 } then {
 121     fail "setting tracepoints"
 122     return
 123 }
 124
 125 gdb_test "tvariable \$tvar5 = 15" \
 126   "Trace state variable \\\$tvar5 created, with initial value 15." \
 127   "create a trace state variable tvar5"
 128
 129 gdb_trace_setactions "collect tsv for first tracepoint" \
 130         "$trcpt1" \
 131         "collect \$tvar5 += 1" "^$"
 132
 133 gdb_test_no_output "tstart" ""
 134
 135 gdb_test "print \$tvar5" " = 15" \
 136     "Print a trace state variable at start of run"
 137
 138 # Be sure not to fall off the end of the program.
 139 gdb_test "break end" ".*" ""
 140 gdb_test "continue" \
 141     "Continuing.*Breakpoint $decimal, end.*" \
 142     "run trace experiment"
 143
 144 gdb_test "print \$tvar5" " = 16" \
 145     "Print a trace state variable during run"
 146
 147 gdb_test_no_output "tstop" ""
 148
 149 # Save trace frames to tfile.
 150 set tracefile [standard_output_file ${testfile}]
 151 gdb_test "tsave ${tracefile}.tf" \
 152     "Trace data saved to file '${tracefile}.tf'.*" \
 153     "save tfile trace file"
 154 # Save trace frames to ctf.
 155 gdb_test "tsave -ctf ${tracefile}.ctf" \
 156     "Trace data saved to directory '${tracefile}.ctf'.*" \
 157     "save ctf trace file"
 158
 159 proc check_tsv { data_source } {
 160     with_test_prefix "${data_source}" {
 161         gdb_test "tfind 0"
 162         gdb_test "print \$tvar5" " = 16" \
 163             "Print a trace state variable"
 164         gdb_test "tfind" \
 165             "Target failed to find requested trace frame.*"
 166     }
 167 }
 168
 169 # Check the tsv from the live inferior.
 170 check_tsv "live"
 171
 172 # Change target to tfile.
 173 set test "change to tfile target"
 174 gdb_test_multiple "target tfile ${tracefile}.tf" "$test" {
 175     -re "A program is being debugged already.  Kill it. .y or n. " {
 176         send_gdb "y\n"
 177         exp_continue
 178     }
 179     -re "$gdb_prompt $" {
 180         pass "$test"
 181     }
 182 }
 183
 184 # Check the tsv from tfile.
 185
 186 check_tsv "tfile"
 187 # Try to read ctf data if GDB supports.
 188 gdb_test_multiple "target ctf ${tracefile}.ctf" "" {
 189     -re "Undefined target command: \"ctf ${tracefile}.ctf\"\.  Try \"help target\"\.\r\n$gdb_prompt $" {
 190     }
 191     -re ".*\r\n$gdb_prompt $" {
 192         check_tsv "ctf"
 193     }
 194 }
 195
 196 # Restart.
 197 clean_restart ${binfile}
 198
 199 if ![runto_main] then {
 200     fail "can't run to main"
 201     return
 202 }
 203
 204 # If there are predefined TSVs, test these predefined TSVs are correctly
 205 # uploaded.
 206 if [target_info exists gdb,predefined_tsv] {
 207     set tsv [target_info gdb,predefined_tsv]
 208
 209     # Test predefined TSVs are uploaded.
 210     gdb_test "info tvariables" ".*${tsv}.*" "predefined tsvs are uploaded"
 211 } else {
 212     # Otherwise (the predefined TSVs are not defined in the board file),
 213     # test there is no TSVs in GDB.
 214     gdb_test "info tvariables" "No trace state variables\." \
 215         "no predefined tsvs"
 216 }