gdb/testsuite/gdb.trace/trace-condition.exp

   1 # Copyright 2011-2017 Free Software Foundation, Inc.
   2 # This program is free software; you can redistribute it and/or modify
   3 # it under the terms of the GNU General Public License as published by
   4 # the Free Software Foundation; either version 3 of the License, or
   5 # (at your option) any later version.
   6 #
   7 # This program is distributed in the hope that it will be useful,
   8 # but WITHOUT ANY WARRANTY; without even the implied warranty of
   9 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  10 # GNU General Public License for more details.
  11 #
  12 # You should have received a copy of the GNU General Public License
  13 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
  14
  15 load_lib "trace-support.exp"
  16
  17 standard_testfile
  18 set executable $testfile
  19 set expfile $testfile.exp
  20
  21 # Some targets have leading underscores on assembly symbols.
  22 set additional_flags [gdb_target_symbol_prefix_flags]
  23
  24 if [prepare_for_testing "failed to prepare" $executable $srcfile \
  25         [list debug $additional_flags]] {
  26     return -1
  27 }
  28
  29 if ![runto_main] {
  30     fail "can't run to main to check for trace support"
  31     return -1
  32 }
  33
  34 if ![gdb_target_supports_trace] {
  35     unsupported "target does not support trace"
  36     return -1
  37 }
  38
  39 set libipa [get_in_proc_agent]
  40 set remote_libipa [gdb_load_shlib $libipa]
  41
  42 # Can't use prepare_for_testing, because that splits compiling into
  43 # building objects and then linking, and we'd fail with "linker input
  44 # file unused because linking not done" when building the object.
  45
  46 if { [gdb_compile "$srcdir/$subdir/$srcfile" $binfile \
  47           executable [list debug $additional_flags shlib=$libipa] ] != "" } {
  48     untested "failed to compile"
  49     return -1
  50 }
  51
  52 clean_restart ${executable}
  53
  54 if ![runto_main] {
  55     fail "can't run to main for ftrace tests"
  56     return 0
  57 }
  58
  59 if { [gdb_test "info sharedlibrary" ".*${remote_libipa}.*" "IPA loaded"] != 0 } {
  60     untested "could not find IPA lib loaded"
  61     return 1
  62 }
  63
  64 proc test_tracepoints { trace_command condition num_frames { kfail_proc 0 } } {
  65     global executable gdb_prompt
  66
  67     clean_restart ${executable}
  68
  69     if ![runto_main] {
  70         fail "can't run to main for ftrace tests"
  71         return 0
  72     }
  73
  74     gdb_test "break begin" ".*" ""
  75
  76     gdb_test "break end" ".*" ""
  77
  78     with_test_prefix "${trace_command}: ${condition}" {
  79
  80         gdb_test "${trace_command} set_point if ${condition}" \
  81             "\(Fast t|T\)racepoint .*" \
  82             "set tracepoint"
  83
  84         gdb_test "continue" ".*Breakpoint \[0-9\]+, begin .*" \
  85             "advance to trace begin"
  86
  87         gdb_test_no_output "tstart" "start trace experiment"
  88
  89         gdb_test_multiple "continue" "advance through tracing" {
  90             -re ".*Breakpoint \[0-9\]+, end .*$gdb_prompt $" {
  91                 pass "advance through tracing"
  92             }
  93             -re "Program received signal SIGSEGV, Segmentation fault\\..*$gdb_prompt $" {
  94                 if { $kfail_proc != 0 } {
  95                     $kfail_proc $trace_command
  96                 }
  97                 fail "advance through tracing"
  98             }
  99         }
 100
 101         if { $kfail_proc != 0 } {
 102             $kfail_proc $trace_command
 103         }
 104         gdb_test "tstatus" \
 105             ".*Trace .*Collected $num_frames .*" \
 106             "check $num_frames frames were collected."
 107
 108         gdb_test "tstop" "" ""
 109     }
 110 }
 111
 112 # These callbacks identify known failures for certain architectures.  They
 113 # are called either if GDBserver crashes or has not traced the correct
 114 # number of frames.
 115
 116 proc 18955_x86_64_failure { trace_command } {
 117     if { $trace_command == "ftrace" } {
 118         setup_kfail "gdb/18955" "x86_64-*-linux*"
 119     }
 120 }
 121
 122 proc 18955_i386_failure { trace_command } {
 123     if { $trace_command == "ftrace" } {
 124         setup_kfail "gdb/18955" "i\[34567\]86-*-*"
 125     }
 126 }
 127
 128 foreach trace_command { "trace" "ftrace" } {
 129     # This condition is always true as the PC should be set to the tracepoint
 130     # address when hit.
 131     test_tracepoints $trace_command "\$$pcreg == *set_point" 10
 132
 133     # Can we read local variables?
 134     test_tracepoints $trace_command "arg8 == 1 || arg8 == 2" 2 18955_x86_64_failure
 135     test_tracepoints $trace_command "arg16 == 257 || arg16 == 258" 2 18955_x86_64_failure
 136     test_tracepoints $trace_command "arg32 == 65537 || arg32 == 65538" 2 18955_x86_64_failure
 137     test_tracepoints $trace_command "arg64 == 4294967297 || arg64 == 4294967298" 2 18955_x86_64_failure
 138     # Can we read global variables?
 139     test_tracepoints $trace_command "arg16 == 257 && globvar == 1" 1 18955_x86_64_failure
 140
 141     # Test various operations to cover as many opcodes as possible.
 142     test_tracepoints $trace_command "21 == 21" 10
 143     test_tracepoints $trace_command "11 == 21" 0
 144
 145     test_tracepoints $trace_command "21 != 42" 10
 146     test_tracepoints $trace_command "42 != 42" 0
 147
 148     test_tracepoints $trace_command "21 + 21 == 42" 10
 149     test_tracepoints $trace_command "21 + 21 == 11" 0
 150
 151     test_tracepoints $trace_command "42 - 21 == 21" 10
 152     test_tracepoints $trace_command "42 - 21 == 11" 0
 153
 154     test_tracepoints $trace_command "21 * 2 == 42" 10
 155     test_tracepoints $trace_command "21 * 2 == 11" 0
 156
 157     test_tracepoints $trace_command "21 << 1 == 42" 10
 158     test_tracepoints $trace_command "21 << 1 == 11" 0
 159
 160     test_tracepoints $trace_command "42 >> 1 == 21" 10
 161     test_tracepoints $trace_command "42 >> 1 == 11" 0
 162
 163     test_tracepoints $trace_command "-(21 << 1) == -42" 10
 164     test_tracepoints $trace_command "-(21 << 1) == -11" 0
 165
 166     test_tracepoints $trace_command "-42 >> 1 == -21" 10
 167     test_tracepoints $trace_command "-42 >> 1 == -11" 0
 168
 169     test_tracepoints $trace_command "(0xabababab & 0x0000ffff) == 0xabab" 10
 170     test_tracepoints $trace_command "(0xabababab & 0x0000ffff) == 0xffff" 0
 171
 172     test_tracepoints $trace_command "(0xabababab | 0x0000ffff) == 0xababffff" 10
 173     test_tracepoints $trace_command "(0xabababab | 0x0000ffff) == 0xeeeedddd" 0
 174
 175     test_tracepoints $trace_command "(0xaaaaaaaa ^ 0x55555555) == 0xffffffff" 10
 176     test_tracepoints $trace_command "(0xaaaaaaaa ^ 0x55555555) == 0xaaaaaaaa" 0
 177
 178     test_tracepoints $trace_command "~0xaaaaaaaa == 0x55555555" 10
 179     test_tracepoints $trace_command "~0xaaaaaaaa == 0x11111111" 0
 180
 181     test_tracepoints $trace_command "21 < 42" 10
 182     test_tracepoints $trace_command "61 < 42" 0
 183
 184     test_tracepoints $trace_command "21U < 42U" 10
 185     test_tracepoints $trace_command "61U < 42U" 0
 186
 187     test_tracepoints $trace_command "42 <= 42" 10
 188     test_tracepoints $trace_command "42 <= 11" 0
 189
 190     test_tracepoints $trace_command "42 >= 42" 10
 191     test_tracepoints $trace_command "11 >= 42" 0
 192
 193     test_tracepoints $trace_command "42 > 21" 10
 194     test_tracepoints $trace_command "11 > 21" 0
 195
 196     test_tracepoints $trace_command "(21 < 42 ? 0 : 1) == 0" 10 18955_i386_failure
 197     test_tracepoints $trace_command "(66 < 42 ? 0 : 1) == 0" 0 18955_i386_failure
 198
 199     test_tracepoints $trace_command "(42 <= 42 ? 0 : 1) == 0" 10
 200     test_tracepoints $trace_command "(66 <= 42 ? 0 : 1) == 0" 0
 201
 202     test_tracepoints $trace_command "(42 >= 42 ? 0 : 1) == 0" 10
 203     test_tracepoints $trace_command "(11 >= 42 ? 0 : 1) == 0" 0
 204
 205     test_tracepoints $trace_command "(42 > 21 ? 0 : 1) == 0" 10 18955_i386_failure
 206     test_tracepoints $trace_command "(11 > 21 ? 0 : 1) == 0" 0 18955_i386_failure
 207
 208     test_tracepoints $trace_command "\$trace_timestamp >= 0" 10
 209
 210     # Test operations with 64 bit operands.
 211     test_tracepoints $trace_command "0xabababab00000000 == 0xcdcdcdcd00000000" 0
 212     test_tracepoints $trace_command "0xabababab00000000 == 0xabababab00000000" 10
 213
 214     test_tracepoints $trace_command "!0xabababab00000000 == 0" 10
 215     test_tracepoints $trace_command "!0x0 == 0" 0
 216
 217     test_tracepoints $trace_command "0xababababcdcdcdcd + 0x1111111143434343 == 0xbcbcbcbd11111110" 10
 218     test_tracepoints $trace_command "0xababababcdcdcdff + 0x1111111143434343 == 0xbcbcbcbd11111110" 0
 219
 220     test_tracepoints $trace_command "0xababababcdcdcdcd - 0x11111111dc111111 == 0x9a9a9a99f1bcbcbc" 10
 221     test_tracepoints $trace_command "0xababababcdcdcdff - 0x11111111dc111111 == 0x9a9a9a99f1bcbcbc" 0
 222
 223     test_tracepoints $trace_command "0xababababcdcdcdcd * 0xababababcdcdcdcd == 0x55320eeb91c3f629" 10
 224     test_tracepoints $trace_command "0xababababcdcdcdff * 0xababababcdcdcdcd == 0x55320eeb91c3f629" 0
 225
 226     test_tracepoints $trace_command "0x00abababcdcdcdcd << 1 == 0x15757579b9b9b9a" 10
 227     test_tracepoints $trace_command "0x00abababcdcdcdff << 1 == 0x15757579b9b9b9a" 0
 228
 229     test_tracepoints $trace_command "0x00abababcdcdcdcd << 46 == 0x7373400000000000" 10
 230     test_tracepoints $trace_command "0x00abababcdcdcdff << 46 == 0x7373400000000000" 0
 231
 232     # signed rsh
 233     test_tracepoints $trace_command "0x00abababcdcdcdcd >> 1 == 0x55d5d5e6e6e6e6" 10
 234     test_tracepoints $trace_command "0x00bcababcdcdcdcd >> 1 == 0x55d5d5e6e6e6e6" 0
 235
 236     test_tracepoints $trace_command "0x00abababcdcdcdcd >> 46 == 0x2ae" 10
 237     test_tracepoints $trace_command "0x00bcababcdcdcdcd >> 46 == 0x2ae" 0
 238
 239     # unsigned rsh
 240     test_tracepoints $trace_command "0xababababcdcdcdcdUL >> 1 == 0x55d5d5d5e6e6e6e6UL" 10
 241     test_tracepoints $trace_command "0xcdabababcdcdcdcdUL >> 1 == 0x55d5d5d5e6e6e6e6UL" 0
 242
 243     test_tracepoints $trace_command "0xababababcdcdcdcdUL >> 46 == 0x2aeaeUL" 10
 244     test_tracepoints $trace_command "0xcdabababcdcdcdcdUL >> 46 == 0x2aeaeUL" 0
 245
 246     test_tracepoints $trace_command "-(0x00abababcdcdcdcd << 1) == -0x15757579b9b9b9a" 10
 247     test_tracepoints $trace_command "-(0x00abababcdcdcdff << 1) == -0x15757579b9b9b9a" 0
 248
 249     test_tracepoints $trace_command "-(0x00abababcdcdcdcd >> 1) == -0x55d5d5e6e6e6e6" 10
 250     test_tracepoints $trace_command "-(0x00cdababcdcdcdcd >> 1) == -0x55d5d5e6e6e6e6" 0
 251
 252     test_tracepoints $trace_command "(0xababababcdcdcdcd & 0x00000fffffffffff) == 0x00000babcdcdcdcd" 10
 253     test_tracepoints $trace_command "(0xababababcdcdcdcd & 0x00000fffffffff00) == 0x00000babcdcdcdcd" 0
 254
 255     test_tracepoints $trace_command "(0xababababcdcdcdcd | 0x00000fffffffffff) == 0xababafffffffffff" 10
 256     test_tracepoints $trace_command "(0xababababcdcdcdcd | 0x00000fffffffff00) == 0xababafffffffffff" 0
 257
 258     test_tracepoints $trace_command "(0xaaaaaaaaaaaaaaaa ^ 0x5555555555555555) == 0xffffffffffffffff" 10
 259     test_tracepoints $trace_command "(0xaaaaaaaaaaaaaaaa ^ 0x5555555555555111) == 0xffffffffffffffff" 0
 260
 261     test_tracepoints $trace_command "~0xaaaaaaaaaaaaaaaa == 0x5555555555555555" 10
 262     test_tracepoints $trace_command "~0xaaaaaaaaaaaaaaaa == 0x5555555555555111" 0
 263
 264     # less unsigned
 265     test_tracepoints $trace_command "0x99999999bbbbbbbb < 0xaaaaaaaaaaaaaaaa" 10
 266     test_tracepoints $trace_command "0xbb999999bbbbbbbb < 0xaaaaaaaaaaaaaaaa" 0
 267
 268     test_tracepoints $trace_command "0x99999999bbbbbbbb < 0x99999999cccccccc" 10
 269     test_tracepoints $trace_command "0x99999999eebbbbbb < 0x99999999cccccccc" 0
 270
 271     test_tracepoints $trace_command "0x99999999bbbbbbbb <= 0x99999999bbbbbbbb" 10
 272     test_tracepoints $trace_command "0xbb999999eebbbbbb <= 0x99999999bbbbbbbb" 0
 273
 274     # less signed
 275     test_tracepoints $trace_command "0x09999999bbbbbbbb < 0x0aaaaaaaaaaaaaaa" 10
 276     test_tracepoints $trace_command "0x0bb99999ccbbbbbb < 0x0aaaaaaaaaaaaaaa" 0
 277
 278     test_tracepoints $trace_command "0x09999999bbbbbbbb < 0x09999999cccccccc" 10
 279     test_tracepoints $trace_command "0x09999999ddbbbbbb < 0x09999999cccccccc" 0
 280
 281     test_tracepoints $trace_command "0x09999999bbbbbbbb <= 0x09999999bbbbbbbb" 10
 282     test_tracepoints $trace_command "0x0aa99999bbbbbbbb <= 0x09999999bbbbbbbb" 0
 283
 284     test_tracepoints $trace_command "0x0aaaaaaaaaaaaaaa > 0x09999999bbbbbbbb" 10
 285     test_tracepoints $trace_command "0x088aaaaabbaaaaaa > 0x09999999bbbbbbbb" 0
 286
 287     test_tracepoints $trace_command "(0xabababab00000000 == 0xcdcdcdcd00000000 ? 1 : 0) == 0" 10
 288     test_tracepoints $trace_command "(0xcdcdcdcd00000000 == 0xcdcdcdcd00000000 ? 1 : 0) == 0" 0
 289
 290     test_tracepoints $trace_command "(0xabababab00000000 != 0xcdcdcdcd00000000 ? 1 : 0) == 1" 10
 291     test_tracepoints $trace_command "(0xcdcdcdcd00000000 != 0xcdcdcdcd00000000 ? 1 : 0) == 1" 0
 292
 293     test_tracepoints $trace_command "(0x09999999bbbbbbbb < 0x09999999cccccccc ? 1 : 0) == 1" 10 18955_i386_failure
 294     test_tracepoints $trace_command "(0x09999999eeebbbbb < 0x09999999cccccccc ? 1 : 0) == 1" 0 18955_i386_failure
 295
 296     test_tracepoints $trace_command "(0x09999999bbbbbbbb <= 0x09999999bbbbbbbb ? 1 : 0) == 1" 10
 297     test_tracepoints $trace_command "(0x09999999eeebbbbb <= 0x09999999bbbbbbbb ? 1 : 0) == 1" 0
 298
 299     test_tracepoints $trace_command "(0x09999999bbbbbbbb >= 0x09999999bbbbbbbb ? 1 : 0) == 1" 10
 300     test_tracepoints $trace_command "(0x00099999bbbbbbbb >= 0x09999999bbbbbbbb ? 1 : 0) == 1" 0
 301
 302     test_tracepoints $trace_command "(0x0aaaaaaaaaaaaaaa > 0x09999999bbbbbbbb ? 1 : 0) == 1" 10
 303     test_tracepoints $trace_command "(0x00088888ccaaaaaa > 0x09999999bbbbbbbb ? 1 : 0) == 1" 0
 304 }