gdb/testsuite/gdb.trace/tsv.exp

   1 #   Copyright 2009-2022 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
  19 gdb_exit
  20 gdb_start
  21 standard_testfile actions.c
  22 if ![gdb_trace_common_supports_arch] {
  23     unsupported "no trace-common.h support for arch"
  24     return -1
  25 }
  26 if { [gdb_compile "$srcdir/$subdir/$srcfile" $binfile \
  27           executable {debug nowarnings}] != "" } {
  28     untested "failed to compile"
  29     return -1
  30 }
  31 gdb_load $binfile
  32
  33 # PR gdb/21352: Command tsave does not support -r argument
  34 gdb_test "tsave -r" "Argument required \\\(file in which to save trace data\\\)\." \
  35     "tsave command properly supports -r argument"
  36
  37 gdb_test "tvariable \$tvar1" \
  38   "Trace state variable \\\$tvar1 created, with initial value 0." \
  39   "create a trace state variable"
  40
  41 gdb_test "tvariable \$tvar2 = 45" \
  42   "Trace state variable \\\$tvar2 created, with initial value 45." \
  43   "create a trace state variable with initial value"
  44
  45 gdb_test "tvariable \$tvar2 = -92" \
  46   "Trace state variable \\\$tvar2 now has initial value -92." \
  47   "change initial value of a trace state variable"
  48
  49 gdb_test "tvariable \$tvar3 = 2 + 3" \
  50   "Trace state variable \\\$tvar3 created, with initial value 5." \
  51   "create a trace state variable with expression"
  52
  53 gdb_test "tvariable \$tvar3 = 1234567000000" \
  54   "Trace state variable \\\$tvar3 now has initial value 1234567000000." \
  55   "init trace state variable to a 64-bit value"
  56
  57 gdb_test "tvariable $" \
  58   "Must supply a non-empty variable name" \
  59   "tvariable syntax error, not empty variable name"
  60
  61 gdb_test "tvariable main" \
  62   "Name of trace variable should start with '\\\$'" \
  63   "tvariable syntax error, bad name"
  64
  65 gdb_test "tvariable \$\$" \
  66   "Syntax must be \\\$NAME \\\[ = EXPR \\\]" \
  67   "tvariable syntax error, bad name 2"
  68
  69 gdb_test "tvariable \$123" \
  70   "\\\$123 is not a valid trace state variable name" \
  71   "tvariable syntax error, bad name 3"
  72
  73 gdb_test "tvariable \$tvar1 - 93" \
  74   "Syntax must be \\\$NAME \\\[ = EXPR \\\]" \
  75   "tvariable syntax error, not an assignment"
  76
  77 gdb_test "tvariable \$tvar0 = 1 = 1" \
  78   "Left operand of assignment is not an lvalue\." \
  79   "tvariable creation fails with invalid expression"
  80
  81 gdb_test "info tvariables" \
  82     "Name\[\t \]+Initial\[\t \]+Current.*
  83 \\\$tvar1\[\t \]+0\[\t \]+<undefined>.*
  84 \\\$tvar2\[\t \]+-92\[\t \]+<undefined>.*
  85 \\\$tvar3\[\t \]+1234567000000\[\t \]+.*<undefined>.*" \
  86   "List tvariables"
  87
  88 gdb_test "print \$tvar2" " = void" \
  89     "Print a trace state variable before run"
  90
  91 gdb_test_no_output "delete tvariable \$tvar2" \
  92   "delete trace state variable"
  93
  94 gdb_test "info tvariables" \
  95     "Name\[\t \]+Initial\[\t \]+Current.*
  96 \\\$tvar1\[\t \]+0\[\t \]+<undefined>.*
  97 \\\$tvar3\[\t \]+1234567000000\[\t \]+.*<undefined>.*" \
  98   "List tvariables after deletion"
  99
 100 gdb_test "delete tvariable" \
 101     "" \
 102     "Delete all trace state variables" \
 103     "Delete all trace state variables.*y or n.*$" \
 104     "y"
 105
 106 gdb_test "info tvariables" \
 107   "No trace state variables.*" \
 108   "list tvariables after deleting all"
 109
 110 # Now try running a trace.
 111
 112 runto_main
 113 gdb_reinitialize_dir $srcdir/$subdir
 114
 115 # The rest of the testing needs actual tracing to work.
 116 if { ![gdb_target_supports_trace] } then {
 117     unsupported "current target does not support trace"
 118     return 1
 119 }
 120
 121 gdb_delete_tracepoints
 122 set trcpt1 [gdb_gettpnum gdb_c_test]
 123
 124 if { $trcpt1 <= 0 } then {
 125     fail "setting tracepoints"
 126     return
 127 }
 128
 129 gdb_test "tvariable \$tvar5 = 15" \
 130   "Trace state variable \\\$tvar5 created, with initial value 15." \
 131   "create a trace state variable tvar5"
 132
 133 gdb_trace_setactions "collect tsv for first tracepoint" \
 134         "$trcpt1" \
 135         "collect \$tvar5 += 1" "^$"
 136
 137 gdb_test_no_output "tstart" ""
 138
 139 gdb_test "print \$tvar5" " = 15" \
 140     "Print a trace state variable at start of run"
 141
 142 # Be sure not to fall off the end of the program.
 143 gdb_breakpoint "end" qualified
 144 gdb_test "continue" \
 145     "Continuing.*Breakpoint $decimal, end.*" \
 146     "run trace experiment"
 147
 148 gdb_test "print \$tvar5" " = 16" \
 149     "Print a trace state variable during run"
 150
 151 gdb_test_no_output "tstop" ""
 152
 153 # Save trace frames to tfile.
 154 set tracefile [standard_output_file ${testfile}]
 155 gdb_test "tsave ${tracefile}.tf" \
 156     "Trace data saved to file '${tracefile}.tf'.*" \
 157     "save tfile trace file"
 158 # Save trace frames to ctf.
 159 gdb_test "tsave -ctf ${tracefile}.ctf" \
 160     "Trace data saved to directory '${tracefile}.ctf'.*" \
 161     "save ctf trace file"
 162
 163 proc check_tsv { data_source } {
 164     with_test_prefix "${data_source}" {
 165         gdb_test "tfind 0"
 166         gdb_test "print \$tvar5" " = 16" \
 167             "Print a trace state variable"
 168         gdb_test "tfind" \
 169             "Target failed to find requested trace frame.*"
 170     }
 171 }
 172
 173 # Check the tsv from the live inferior.
 174 check_tsv "live"
 175
 176 # Change target to tfile.
 177 set test "change to tfile target"
 178 gdb_test_multiple "target tfile ${tracefile}.tf" "$test" {
 179     -re "A program is being debugged already.  Kill it. .y or n. " {
 180         send_gdb "y\n"
 181         exp_continue
 182     }
 183     -re "$gdb_prompt $" {
 184         pass "$test"
 185     }
 186 }
 187
 188 # Check the tsv from tfile.
 189
 190 check_tsv "tfile"
 191 # Try to read ctf data if GDB supports.
 192 gdb_test_multiple "target ctf ${tracefile}.ctf" "" {
 193     -re "Undefined target command: \"ctf ${tracefile}.ctf\"\.  Try \"help target\"\.\r\n$gdb_prompt $" {
 194     }
 195     -re ".*\r\n$gdb_prompt $" {
 196         check_tsv "ctf"
 197     }
 198 }
 199
 200 # Restart.
 201 clean_restart ${binfile}
 202
 203 if ![runto_main] then {
 204     return
 205 }
 206
 207 # If there are predefined TSVs, test these predefined TSVs are correctly
 208 # uploaded.
 209 if [target_info exists gdb,predefined_tsv] {
 210     set tsv [target_info gdb,predefined_tsv]
 211
 212     # Test predefined TSVs are uploaded.
 213     gdb_test "info tvariables" ".*${tsv}.*" "predefined tsvs are uploaded"
 214 } else {
 215     # Otherwise (the predefined TSVs are not defined in the board file),
 216     # test there is no TSVs in GDB.
 217     gdb_test "info tvariables" "No trace state variables\." \
 218         "no predefined tsvs"
 219 }