gdb/testsuite/gdb.trace/limits.exp

   1 # Copyright (C) 1998 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 2 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, write to the Free Software
  15 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  16
  17 # Please email any bugs, comments, and/or additions to this file to:
  18 # bug-gdb@prep.ai.mit.edu
  19
  20 if [istarget "m68k-*-elf"] then {
  21     pass "Test not supported on this target"
  22     return;
  23 }
  24
  25 load_lib "trace-support.exp"
  26
  27 if $tracelevel then {
  28         strace $tracelevel
  29 }
  30
  31 set prms_id 0
  32 set bug_id 0
  33
  34 set testfile "limits"
  35 set srcfile ${testfile}.c
  36 set binfile $objdir/$subdir/$testfile
  37
  38 if { [gdb_compile "$srcdir/$subdir/$srcfile" $binfile \
  39         executable {debug additional_flags=-w}] != "" } {
  40     gdb_suppress_entire_file "Testcase compile failed, so all tests in this file will automatically fail."
  41 }
  42
  43 # Tests:
  44 # 1) Meet and exceed artificial limit on number of tracepoints
  45 # 2) Meet and exceed artificial limit on number of memranges
  46 # 3) Meet and exceed artificial limit on bytes  of bytecode data
  47 # [NOTE: number four is moved out into its own separate test module.]
  48 # 4) Meet and exceed artificial limit on bytes  of trace buffer storage
  49 #    (circular and non-circular modes).  However note that a more
  50 #    thorough test of the circular mode can be made separately.
  51
  52 set cr "\[\r\n\]+"
  53
  54 proc gdb_tracepoint_limit_test { } {
  55     global gdb_prompt
  56     global cr
  57
  58     # Make sure we're in a sane starting state.
  59     gdb_test "tstop" "" ""
  60     gdb_test "tfind none" "" ""
  61     gdb_delete_tracepoints
  62
  63     # Set three tracepoints
  64     gdb_test "trace foo" \
  65             "Tracepoint \[0-9\]+ at .*" \
  66             "tracepoint limit test: set first tracepoint"
  67
  68     gdb_test "trace bar" \
  69             "Tracepoint \[0-9\]+ at .*" \
  70             "tracepoint limit test: set second tracepoint"
  71
  72     gdb_test "trace baz" \
  73             "Tracepoint \[0-9\]+ at .*" \
  74             "tracepoint limit test: set third tracepoint"
  75
  76     # Set secret artificial tracepoint limit to four
  77     gdb_test "maint packet QTLimit:tp:4" \
  78             "received: .OK." \
  79             "tracepoint limit test: set limit to four"
  80
  81     # Now sending three tracepoints should succeed.
  82     send_gdb "tstart\n"
  83     gdb_expect {
  84         -re "$cr$gdb_prompt" {
  85             pass "tracepoint limit test: send fewer than limit"
  86         }
  87         default {
  88             fail "tracepoint limit test: send fewer than limit"
  89         }
  90     }
  91
  92     # Set secret artificial tracepoint limit to three
  93     gdb_test "maint packet QTLimit:tp:3" \
  94             "received: .OK." \
  95             "tracepoint limit test: set limit to three"
  96
  97     # Now sending three tracepoints should still succeed.
  98     send_gdb "tstart\n"
  99     gdb_expect {
 100         -re "$cr$gdb_prompt" {
 101             pass "tracepoint limit test: send equal to limit"
 102         }
 103         default {
 104             fail "tracepoint limit test: send equal to limit"
 105         }
 106     }
 107
 108     # Set secret artificial tracepoint limit to two
 109     gdb_test "maint packet QTLimit:tp:2" \
 110             "received: .OK." \
 111             "tracepoint limit test: set limit to two"
 112
 113     # Now sending three tracepoints should fail.
 114     gdb_test "tstart" \
 115             ".*\[Ee\]rror.*" \
 116             "tracepoint limit test: send more than limit"
 117
 118     # Clean up:
 119     gdb_test "tstop" "" ""
 120     gdb_test "maint packet QTLimit:tp:FFFFFFFF" "" ""
 121 }
 122
 123 proc gdb_memrange_limit_test { } {
 124     global gdb_prompt
 125     global cr
 126
 127     # Make sure we're in a sane starting state.
 128     gdb_test "tstop" "" ""
 129     gdb_test "tfind none" "" ""
 130     gdb_delete_tracepoints
 131
 132     # Set three tracepoints, and make 'em collect memranges
 133     gdb_test "trace foo" \
 134             "Tracepoint \[0-9\]+ at .*" \
 135             "memrange limit test: set first tracepoint"
 136
 137     gdb_trace_setactions "memrange limit test: set first actions" \
 138             "" \
 139             "collect \$arg" "^$"
 140
 141     gdb_test "trace bar" \
 142             "Tracepoint \[0-9\]+ at .*" \
 143             "memrange limit test: set second tracepoint"
 144
 145     gdb_trace_setactions "memrange limit test: set second actions" \
 146             "" \
 147             "collect \$arg" "^$"
 148
 149     gdb_test "trace baz" \
 150             "Tracepoint \[0-9\]+ at .*" \
 151             "memrange limit test: set third tracepoint"
 152
 153     gdb_trace_setactions "memrange limit test: set third actions" \
 154             "" \
 155             "collect \$arg" "^$"
 156
 157     # Set secret artificial memrange limit to four
 158     gdb_test "maint packet QTLimit:memrange:4" \
 159             "received: .OK." \
 160             "memrange limit test: set limit to four"
 161
 162     # Now sending three memranges should still succeed.
 163     send_gdb "tstart\n"
 164     gdb_expect {
 165         -re "$cr$gdb_prompt" {
 166             pass "memrange limit test: send fewer than limit"
 167         }
 168         default {
 169             fail "memrange limit test: send fewer than limit"
 170         }
 171     }
 172
 173     # Set secret artificial memrange limit to three
 174     gdb_test "maint packet QTLimit:memrange:3" \
 175             "received: .OK." \
 176             "memrange limit test: set limit to three"
 177
 178     # Now sending three memranges should still succeed.
 179     send_gdb "tstart\n"
 180     gdb_expect {
 181         -re "$cr$gdb_prompt" {
 182             pass "memrange limit test: send equal to limit"
 183         }
 184         default {
 185             fail "memrange limit test: send equal to limit"
 186         }
 187     }
 188
 189     # Set secret artificial memrange limit to two
 190     gdb_test "maint packet QTLimit:memrange:2" \
 191             "received: .OK." \
 192             "memrange limit test: set limit to two"
 193
 194     # Now sending three memranges should fail.
 195     gdb_test "tstart" \
 196             ".*\[Ee\]rror.*" \
 197             "memrange limit test: send more than limit"
 198
 199     # Clean up:
 200     gdb_test "tstop" "" ""
 201     gdb_test "maint packet QTLimit:memrange:FFFFFFFF" "" ""
 202 }
 203
 204
 205 proc gdb_bytecode_limit_test { } {
 206     global gdb_prompt
 207     global cr
 208
 209     # Make sure we're in a sane starting state.
 210     gdb_test "tstop" "" ""
 211     gdb_test "tfind none" "" ""
 212     gdb_delete_tracepoints
 213
 214     # Set three tracepoints
 215     gdb_test "trace foo" \
 216             "Tracepoint \[0-9\]+ at .*" \
 217             "bytecode limit test: set first tracepoint"
 218
 219     gdb_trace_setactions "bytecode limit test: set first actions" \
 220             "" \
 221             "collect x + n" "^$"
 222
 223     gdb_test "trace bar" \
 224             "Tracepoint \[0-9\]+ at .*" \
 225             "bytecode limit test: set second tracepoint"
 226
 227     gdb_trace_setactions "bytecode limit test: set second actions" \
 228             "" \
 229             "collect y + n" "^$"
 230
 231     gdb_test "trace baz" \
 232             "Tracepoint \[0-9\]+ at .*" \
 233             "bytecode limit test: set third tracepoint"
 234
 235     gdb_trace_setactions "bytecode limit test: set third actions" \
 236             "" \
 237             "collect z + n" "^$"
 238
 239     # Set secret artificial bytecode limit to a large number
 240     gdb_test "maint packet QTLimit:bytecode:400" \
 241             "received: .OK." \
 242             "bytecode limit test: set limit to large"
 243
 244     # Now sending three bytecodes should still succeed.
 245     send_gdb "tstart\n"
 246     gdb_expect {
 247         -re "$cr$gdb_prompt" {
 248             pass "bytecode limit test: send fewer than limit"
 249         }
 250         default {
 251             fail "bytecode limit test: send fewer than limit"
 252         }
 253     }
 254
 255     # Set secret artificial bytecode limit to a small number
 256     gdb_test "maint packet QTLimit:bytecode:40" \
 257             "received: .OK." \
 258             "bytecode limit test: set limit to small"
 259
 260     # Now sending three bytecodes should fail.
 261     gdb_test "tstart" \
 262             ".*\[Ee\]rror.*" \
 263             "bytecode limit test: send more than limit"
 264
 265
 266     # Clean up:
 267     gdb_test "tstop" "" ""
 268     gdb_test "maint packet QTLimit:bytecode:FFFFFFFF" "" ""
 269 }
 270
 271 proc gdb_trace_limits_tests { } {
 272     global gdb_prompt
 273
 274     # We generously give ourselves one "pass" if we successfully
 275     # detect that this test cannot be run on this target!
 276
 277     if { ![gdb_target_supports_trace] } then {
 278         pass "Current target does not supporst trace"
 279         return 1;
 280     }
 281
 282     if [gdb_test "maint packet QTLimit:tp:ffffffff" \
 283             "received: .OK." ""] then {
 284         pass "This test cannot be run on this target"
 285         return 1;
 286     }
 287
 288     if [gdb_test "maint packet QTLimit:memrange:ffffffff" \
 289             "received: .OK." ""] then {
 290         pass "This test cannot be run on this target"
 291         return 1;
 292     }
 293
 294     if [gdb_test "maint packet QTLimit:bytecode:ffffffff" \
 295             "received: .OK." ""] then {
 296         pass "This test cannot be run on this target"
 297         return;
 298     }
 299
 300     gdb_tracepoint_limit_test
 301     gdb_memrange_limit_test
 302     gdb_bytecode_limit_test
 303 }
 304
 305 # Start with a fresh gdb.
 306
 307 gdb_exit
 308 gdb_start
 309 gdb_reinitialize_dir $srcdir/$subdir
 310 gdb_load $binfile
 311
 312 if [target_info exists gdb_stub] {
 313     gdb_step_for_stub;
 314 }
 315 # Body of test encased in a proc so we can return prematurely.
 316 gdb_trace_limits_tests