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

   1 # Copyright 2011-2024 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 require allow_shlib_tests
  18
  19 standard_testfile
  20 set executable $testfile
  21 set expfile $testfile.exp
  22
  23 # Some targets have leading underscores on assembly symbols.
  24 set additional_flags [gdb_target_symbol_prefix_flags]
  25
  26 require gdb_trace_common_supports_arch
  27
  28 if [prepare_for_testing "failed to prepare" $executable $srcfile \
  29         [list debug $additional_flags]] {
  30     return -1
  31 }
  32
  33 if ![runto_main] {
  34     return -1
  35 }
  36
  37 if ![gdb_target_supports_trace] {
  38     unsupported "target does not support trace"
  39     return -1
  40 }
  41
  42 require allow_in_proc_agent
  43 set libipa [get_in_proc_agent]
  44 set remote_libipa [gdb_load_shlib $libipa]
  45
  46 # Can't use prepare_for_testing, because that splits compiling into
  47 # building objects and then linking, and we'd fail with "linker input
  48 # file unused because linking not done" when building the object.
  49
  50 if { [gdb_compile "$srcdir/$subdir/$srcfile" $binfile \
  51           executable [list debug $additional_flags shlib=$libipa] ] != "" } {
  52     untested "failed to compile"
  53     return -1
  54 }
  55
  56 clean_restart ${executable}
  57
  58 if ![runto_main] {
  59     return 0
  60 }
  61
  62 if { [gdb_test "info sharedlibrary" ".*${remote_libipa}.*" "IPA loaded"] != 0 } {
  63     untested "could not find IPA lib loaded"
  64     return 1
  65 }
  66
  67 proc test_tracepoints { trace_command condition num_frames { kfail_proc 0 } } {
  68     global executable gdb_prompt
  69
  70     clean_restart ${executable}
  71
  72     if ![runto_main] {
  73         return 0
  74     }
  75
  76     gdb_breakpoint "begin" qualified
  77
  78     gdb_breakpoint "end" qualified
  79
  80     with_test_prefix "${trace_command}: ${condition}" {
  81
  82         gdb_test "${trace_command} set_point if ${condition}" \
  83             "\(Fast t|T\)racepoint .*" \
  84             "set tracepoint"
  85
  86         gdb_test "continue" ".*Breakpoint \[0-9\]+, begin .*" \
  87             "advance to trace begin"
  88
  89         gdb_test_no_output "tstart" "start trace experiment"
  90
  91         gdb_test_multiple "continue" "advance through tracing" {
  92             -re ".*Breakpoint \[0-9\]+, end .*$gdb_prompt $" {
  93                 pass "advance through tracing"
  94             }
  95             -re "Program received signal SIGSEGV, Segmentation fault\\..*$gdb_prompt $" {
  96                 if { $kfail_proc != 0 } {
  97                     $kfail_proc $trace_command
  98                 }
  99                 fail "advance through tracing"
 100             }
 101         }
 102
 103         if { $kfail_proc != 0 } {
 104             $kfail_proc $trace_command
 105         }
 106         gdb_test "tstatus" \
 107             ".*Trace .*Collected $num_frames .*" \
 108             "check $num_frames frames were collected."
 109
 110         gdb_test "tstop" "" ""
 111     }
 112 }
 113
 114 # These callbacks identify known failures for certain architectures.  They
 115 # are called either if GDBserver crashes or has not traced the correct
 116 # number of frames.
 117
 118 proc 18955_x86_64_failure { trace_command } {
 119     if { $trace_command == "ftrace" } {
 120         setup_kfail "gdb/18955" "x86_64-*-linux*"
 121     }
 122 }
 123
 124 proc 18955_i386_failure { trace_command } {
 125     if { $trace_command == "ftrace" } {
 126         setup_kfail "gdb/18955" "i\[34567\]86-*-*"
 127     }
 128 }
 129
 130 foreach trace_command { "trace" "ftrace" } {
 131     # This condition is always true as the PC should be set to the tracepoint
 132     # address when hit.
 133     test_tracepoints $trace_command "\$$pcreg == *set_point" 10
 134
 135     # Can we read local variables?
 136     test_tracepoints $trace_command "arg8 == 1 || arg8 == 2" 2 18955_x86_64_failure
 137     test_tracepoints $trace_command "arg16 == 257 || arg16 == 258" 2 18955_x86_64_failure
 138     test_tracepoints $trace_command "arg32 == 65537 || arg32 == 65538" 2 18955_x86_64_failure
 139     test_tracepoints $trace_command "arg64 == 4294967297 || arg64 == 4294967298" 2 18955_x86_64_failure
 140     # Can we read global variables?
 141     test_tracepoints $trace_command "arg16 == 257 && globvar == 1" 1 18955_x86_64_failure
 142
 143     # Test various operations to cover as many opcodes as possible.
 144     test_tracepoints $trace_command "21 == 21" 10
 145     test_tracepoints $trace_command "11 == 21" 0
 146
 147     test_tracepoints $trace_command "21 != 42" 10
 148     test_tracepoints $trace_command "42 != 42" 0
 149
 150     test_tracepoints $trace_command "21 + 21 == 42" 10
 151     test_tracepoints $trace_command "21 + 21 == 11" 0
 152
 153     test_tracepoints $trace_command "42 - 21 == 21" 10
 154     test_tracepoints $trace_command "42 - 21 == 11" 0
 155
 156     test_tracepoints $trace_command "21 * 2 == 42" 10
 157     test_tracepoints $trace_command "21 * 2 == 11" 0
 158
 159     test_tracepoints $trace_command "21 << 1 == 42" 10
 160     test_tracepoints $trace_command "21 << 1 == 11" 0
 161
 162     test_tracepoints $trace_command "42 >> 1 == 21" 10
 163     test_tracepoints $trace_command "42 >> 1 == 11" 0
 164
 165     test_tracepoints $trace_command "-(21 << 1) == -42" 10
 166     test_tracepoints $trace_command "-(21 << 1) == -11" 0
 167
 168     test_tracepoints $trace_command "-42 >> 1 == -21" 10
 169     test_tracepoints $trace_command "-42 >> 1 == -11" 0
 170
 171     test_tracepoints $trace_command "(0xabababab & 0x0000ffff) == 0xabab" 10
 172     test_tracepoints $trace_command "(0xabababab & 0x0000ffff) == 0xffff" 0
 173
 174     test_tracepoints $trace_command "(0xabababab | 0x0000ffff) == 0xababffff" 10
 175     test_tracepoints $trace_command "(0xabababab | 0x0000ffff) == 0xeeeedddd" 0
 176
 177     test_tracepoints $trace_command "(0xaaaaaaaa ^ 0x55555555) == 0xffffffff" 10
 178     test_tracepoints $trace_command "(0xaaaaaaaa ^ 0x55555555) == 0xaaaaaaaa" 0
 179
 180     test_tracepoints $trace_command "~0xaaaaaaaa == 0x55555555" 10
 181     test_tracepoints $trace_command "~0xaaaaaaaa == 0x11111111" 0
 182
 183     test_tracepoints $trace_command "21 < 42" 10
 184     test_tracepoints $trace_command "61 < 42" 0
 185
 186     test_tracepoints $trace_command "21U < 42U" 10
 187     test_tracepoints $trace_command "61U < 42U" 0
 188
 189     test_tracepoints $trace_command "42 <= 42" 10
 190     test_tracepoints $trace_command "42 <= 11" 0
 191
 192     test_tracepoints $trace_command "42 >= 42" 10
 193     test_tracepoints $trace_command "11 >= 42" 0
 194
 195     test_tracepoints $trace_command "42 > 21" 10
 196     test_tracepoints $trace_command "11 > 21" 0
 197
 198     test_tracepoints $trace_command "(21 < 42 ? 0 : 1) == 0" 10 18955_i386_failure
 199     test_tracepoints $trace_command "(66 < 42 ? 0 : 1) == 0" 0 18955_i386_failure
 200
 201     test_tracepoints $trace_command "(42 <= 42 ? 0 : 1) == 0" 10
 202     test_tracepoints $trace_command "(66 <= 42 ? 0 : 1) == 0" 0
 203
 204     test_tracepoints $trace_command "(42 >= 42 ? 0 : 1) == 0" 10
 205     test_tracepoints $trace_command "(11 >= 42 ? 0 : 1) == 0" 0
 206
 207     test_tracepoints $trace_command "(42 > 21 ? 0 : 1) == 0" 10 18955_i386_failure
 208     test_tracepoints $trace_command "(11 > 21 ? 0 : 1) == 0" 0 18955_i386_failure
 209
 210     test_tracepoints $trace_command "\$trace_timestamp >= 0" 10
 211
 212     # Test operations with 64 bit operands.
 213     test_tracepoints $trace_command "0xabababab00000000 == 0xcdcdcdcd00000000" 0
 214     test_tracepoints $trace_command "0xabababab00000000 == 0xabababab00000000" 10
 215
 216     test_tracepoints $trace_command "!0xabababab00000000 == 0" 10
 217     test_tracepoints $trace_command "!0x0 == 0" 0
 218
 219     test_tracepoints $trace_command "0xababababcdcdcdcd + 0x1111111143434343 == 0xbcbcbcbd11111110" 10
 220     test_tracepoints $trace_command "0xababababcdcdcdff + 0x1111111143434343 == 0xbcbcbcbd11111110" 0
 221
 222     test_tracepoints $trace_command "0xababababcdcdcdcd - 0x11111111dc111111 == 0x9a9a9a99f1bcbcbc" 10
 223     test_tracepoints $trace_command "0xababababcdcdcdff - 0x11111111dc111111 == 0x9a9a9a99f1bcbcbc" 0
 224
 225     test_tracepoints $trace_command "0xababababcdcdcdcd * 0xababababcdcdcdcd == 0x55320eeb91c3f629" 10
 226     test_tracepoints $trace_command "0xababababcdcdcdff * 0xababababcdcdcdcd == 0x55320eeb91c3f629" 0
 227
 228     test_tracepoints $trace_command "0x00abababcdcdcdcd << 1 == 0x15757579b9b9b9a" 10
 229     test_tracepoints $trace_command "0x00abababcdcdcdff << 1 == 0x15757579b9b9b9a" 0
 230
 231     test_tracepoints $trace_command "0x00abababcdcdcdcd << 46 == 0x7373400000000000" 10
 232     test_tracepoints $trace_command "0x00abababcdcdcdff << 46 == 0x7373400000000000" 0
 233
 234     # signed rsh
 235     test_tracepoints $trace_command "0x00abababcdcdcdcd >> 1 == 0x55d5d5e6e6e6e6" 10
 236     test_tracepoints $trace_command "0x00bcababcdcdcdcd >> 1 == 0x55d5d5e6e6e6e6" 0
 237
 238     test_tracepoints $trace_command "0x00abababcdcdcdcd >> 46 == 0x2ae" 10
 239     test_tracepoints $trace_command "0x00bcababcdcdcdcd >> 46 == 0x2ae" 0
 240
 241     # unsigned rsh
 242     test_tracepoints $trace_command "0xababababcdcdcdcdUL >> 1 == 0x55d5d5d5e6e6e6e6UL" 10
 243     test_tracepoints $trace_command "0xcdabababcdcdcdcdUL >> 1 == 0x55d5d5d5e6e6e6e6UL" 0
 244
 245     test_tracepoints $trace_command "0xababababcdcdcdcdUL >> 46 == 0x2aeaeUL" 10
 246     test_tracepoints $trace_command "0xcdabababcdcdcdcdUL >> 46 == 0x2aeaeUL" 0
 247
 248     test_tracepoints $trace_command "-(0x00abababcdcdcdcd << 1) == -0x15757579b9b9b9a" 10
 249     test_tracepoints $trace_command "-(0x00abababcdcdcdff << 1) == -0x15757579b9b9b9a" 0
 250
 251     test_tracepoints $trace_command "-(0x00abababcdcdcdcd >> 1) == -0x55d5d5e6e6e6e6" 10
 252     test_tracepoints $trace_command "-(0x00cdababcdcdcdcd >> 1) == -0x55d5d5e6e6e6e6" 0
 253
 254     test_tracepoints $trace_command "(0xababababcdcdcdcd & 0x00000fffffffffff) == 0x00000babcdcdcdcd" 10
 255     test_tracepoints $trace_command "(0xababababcdcdcdcd & 0x00000fffffffff00) == 0x00000babcdcdcdcd" 0
 256
 257     test_tracepoints $trace_command "(0xababababcdcdcdcd | 0x00000fffffffffff) == 0xababafffffffffff" 10
 258     test_tracepoints $trace_command "(0xababababcdcdcdcd | 0x00000fffffffff00) == 0xababafffffffffff" 0
 259
 260     test_tracepoints $trace_command "(0xaaaaaaaaaaaaaaaa ^ 0x5555555555555555) == 0xffffffffffffffff" 10
 261     test_tracepoints $trace_command "(0xaaaaaaaaaaaaaaaa ^ 0x5555555555555111) == 0xffffffffffffffff" 0
 262
 263     test_tracepoints $trace_command "~0xaaaaaaaaaaaaaaaa == 0x5555555555555555" 10
 264     test_tracepoints $trace_command "~0xaaaaaaaaaaaaaaaa == 0x5555555555555111" 0
 265
 266     # less unsigned
 267     test_tracepoints $trace_command "0x99999999bbbbbbbb < 0xaaaaaaaaaaaaaaaa" 10
 268     test_tracepoints $trace_command "0xbb999999bbbbbbbb < 0xaaaaaaaaaaaaaaaa" 0
 269
 270     test_tracepoints $trace_command "0x99999999bbbbbbbb < 0x99999999cccccccc" 10
 271     test_tracepoints $trace_command "0x99999999eebbbbbb < 0x99999999cccccccc" 0
 272
 273     test_tracepoints $trace_command "0x99999999bbbbbbbb <= 0x99999999bbbbbbbb" 10
 274     test_tracepoints $trace_command "0xbb999999eebbbbbb <= 0x99999999bbbbbbbb" 0
 275
 276     # less signed
 277     test_tracepoints $trace_command "0x09999999bbbbbbbb < 0x0aaaaaaaaaaaaaaa" 10
 278     test_tracepoints $trace_command "0x0bb99999ccbbbbbb < 0x0aaaaaaaaaaaaaaa" 0
 279
 280     test_tracepoints $trace_command "0x09999999bbbbbbbb < 0x09999999cccccccc" 10
 281     test_tracepoints $trace_command "0x09999999ddbbbbbb < 0x09999999cccccccc" 0
 282
 283     test_tracepoints $trace_command "0x09999999bbbbbbbb <= 0x09999999bbbbbbbb" 10
 284     test_tracepoints $trace_command "0x0aa99999bbbbbbbb <= 0x09999999bbbbbbbb" 0
 285
 286     test_tracepoints $trace_command "0x0aaaaaaaaaaaaaaa > 0x09999999bbbbbbbb" 10
 287     test_tracepoints $trace_command "0x088aaaaabbaaaaaa > 0x09999999bbbbbbbb" 0
 288
 289     test_tracepoints $trace_command "(0xabababab00000000 == 0xcdcdcdcd00000000 ? 1 : 0) == 0" 10
 290     test_tracepoints $trace_command "(0xcdcdcdcd00000000 == 0xcdcdcdcd00000000 ? 1 : 0) == 0" 0
 291
 292     test_tracepoints $trace_command "(0xabababab00000000 != 0xcdcdcdcd00000000 ? 1 : 0) == 1" 10
 293     test_tracepoints $trace_command "(0xcdcdcdcd00000000 != 0xcdcdcdcd00000000 ? 1 : 0) == 1" 0
 294
 295     test_tracepoints $trace_command "(0x09999999bbbbbbbb < 0x09999999cccccccc ? 1 : 0) == 1" 10 18955_i386_failure
 296     test_tracepoints $trace_command "(0x09999999eeebbbbb < 0x09999999cccccccc ? 1 : 0) == 1" 0 18955_i386_failure
 297
 298     test_tracepoints $trace_command "(0x09999999bbbbbbbb <= 0x09999999bbbbbbbb ? 1 : 0) == 1" 10
 299     test_tracepoints $trace_command "(0x09999999eeebbbbb <= 0x09999999bbbbbbbb ? 1 : 0) == 1" 0
 300
 301     test_tracepoints $trace_command "(0x09999999bbbbbbbb >= 0x09999999bbbbbbbb ? 1 : 0) == 1" 10
 302     test_tracepoints $trace_command "(0x00099999bbbbbbbb >= 0x09999999bbbbbbbb ? 1 : 0) == 1" 0
 303
 304     test_tracepoints $trace_command "(0x0aaaaaaaaaaaaaaa > 0x09999999bbbbbbbb ? 1 : 0) == 1" 10
 305     test_tracepoints $trace_command "(0x00088888ccaaaaaa > 0x09999999bbbbbbbb ? 1 : 0) == 1" 0
 306 }