1# Copyright 2011-2019 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 15load_lib "trace-support.exp" 16 17if {[skip_shlib_tests]} { 18 return 0 19} 20 21standard_testfile 22set executable $testfile 23set expfile $testfile.exp 24 25# Some targets have leading underscores on assembly symbols. 26set additional_flags [gdb_target_symbol_prefix_flags] 27 28if ![gdb_trace_common_supports_arch] { 29 unsupported "no trace-common.h support for arch" 30 return -1 31} 32 33if [prepare_for_testing "failed to prepare" $executable $srcfile \ 34 [list debug $additional_flags]] { 35 return -1 36} 37 38if ![runto_main] { 39 fail "can't run to main to check for trace support" 40 return -1 41} 42 43if ![gdb_target_supports_trace] { 44 unsupported "target does not support trace" 45 return -1 46} 47 48set libipa [get_in_proc_agent] 49set remote_libipa [gdb_load_shlib $libipa] 50 51# Can't use prepare_for_testing, because that splits compiling into 52# building objects and then linking, and we'd fail with "linker input 53# file unused because linking not done" when building the object. 54 55if { [gdb_compile "$srcdir/$subdir/$srcfile" $binfile \ 56 executable [list debug $additional_flags shlib=$libipa] ] != "" } { 57 untested "failed to compile" 58 return -1 59} 60 61clean_restart ${executable} 62 63if ![runto_main] { 64 fail "can't run to main for ftrace tests" 65 return 0 66} 67 68if { [gdb_test "info sharedlibrary" ".*${remote_libipa}.*" "IPA loaded"] != 0 } { 69 untested "could not find IPA lib loaded" 70 return 1 71} 72 73proc test_tracepoints { trace_command condition num_frames { kfail_proc 0 } } { 74 global executable gdb_prompt 75 76 clean_restart ${executable} 77 78 if ![runto_main] { 79 fail "can't run to main for ftrace tests" 80 return 0 81 } 82 83 gdb_breakpoint "begin" qualified 84 85 gdb_breakpoint "end" qualified 86 87 with_test_prefix "${trace_command}: ${condition}" { 88 89 gdb_test "${trace_command} set_point if ${condition}" \ 90 "\(Fast t|T\)racepoint .*" \ 91 "set tracepoint" 92 93 gdb_test "continue" ".*Breakpoint \[0-9\]+, begin .*" \ 94 "advance to trace begin" 95 96 gdb_test_no_output "tstart" "start trace experiment" 97 98 gdb_test_multiple "continue" "advance through tracing" { 99 -re ".*Breakpoint \[0-9\]+, end .*$gdb_prompt $" { 100 pass "advance through tracing" 101 } 102 -re "Program received signal SIGSEGV, Segmentation fault\\..*$gdb_prompt $" { 103 if { $kfail_proc != 0 } { 104 $kfail_proc $trace_command 105 } 106 fail "advance through tracing" 107 } 108 } 109 110 if { $kfail_proc != 0 } { 111 $kfail_proc $trace_command 112 } 113 gdb_test "tstatus" \ 114 ".*Trace .*Collected $num_frames .*" \ 115 "check $num_frames frames were collected." 116 117 gdb_test "tstop" "" "" 118 } 119} 120 121# These callbacks identify known failures for certain architectures. They 122# are called either if GDBserver crashes or has not traced the correct 123# number of frames. 124 125proc 18955_x86_64_failure { trace_command } { 126 if { $trace_command == "ftrace" } { 127 setup_kfail "gdb/18955" "x86_64-*-linux*" 128 } 129} 130 131proc 18955_i386_failure { trace_command } { 132 if { $trace_command == "ftrace" } { 133 setup_kfail "gdb/18955" "i\[34567\]86-*-*" 134 } 135} 136 137foreach trace_command { "trace" "ftrace" } { 138 # This condition is always true as the PC should be set to the tracepoint 139 # address when hit. 140 test_tracepoints $trace_command "\$$pcreg == *set_point" 10 141 142 # Can we read local variables? 143 test_tracepoints $trace_command "arg8 == 1 || arg8 == 2" 2 18955_x86_64_failure 144 test_tracepoints $trace_command "arg16 == 257 || arg16 == 258" 2 18955_x86_64_failure 145 test_tracepoints $trace_command "arg32 == 65537 || arg32 == 65538" 2 18955_x86_64_failure 146 test_tracepoints $trace_command "arg64 == 4294967297 || arg64 == 4294967298" 2 18955_x86_64_failure 147 # Can we read global variables? 148 test_tracepoints $trace_command "arg16 == 257 && globvar == 1" 1 18955_x86_64_failure 149 150 # Test various operations to cover as many opcodes as possible. 151 test_tracepoints $trace_command "21 == 21" 10 152 test_tracepoints $trace_command "11 == 21" 0 153 154 test_tracepoints $trace_command "21 != 42" 10 155 test_tracepoints $trace_command "42 != 42" 0 156 157 test_tracepoints $trace_command "21 + 21 == 42" 10 158 test_tracepoints $trace_command "21 + 21 == 11" 0 159 160 test_tracepoints $trace_command "42 - 21 == 21" 10 161 test_tracepoints $trace_command "42 - 21 == 11" 0 162 163 test_tracepoints $trace_command "21 * 2 == 42" 10 164 test_tracepoints $trace_command "21 * 2 == 11" 0 165 166 test_tracepoints $trace_command "21 << 1 == 42" 10 167 test_tracepoints $trace_command "21 << 1 == 11" 0 168 169 test_tracepoints $trace_command "42 >> 1 == 21" 10 170 test_tracepoints $trace_command "42 >> 1 == 11" 0 171 172 test_tracepoints $trace_command "-(21 << 1) == -42" 10 173 test_tracepoints $trace_command "-(21 << 1) == -11" 0 174 175 test_tracepoints $trace_command "-42 >> 1 == -21" 10 176 test_tracepoints $trace_command "-42 >> 1 == -11" 0 177 178 test_tracepoints $trace_command "(0xabababab & 0x0000ffff) == 0xabab" 10 179 test_tracepoints $trace_command "(0xabababab & 0x0000ffff) == 0xffff" 0 180 181 test_tracepoints $trace_command "(0xabababab | 0x0000ffff) == 0xababffff" 10 182 test_tracepoints $trace_command "(0xabababab | 0x0000ffff) == 0xeeeedddd" 0 183 184 test_tracepoints $trace_command "(0xaaaaaaaa ^ 0x55555555) == 0xffffffff" 10 185 test_tracepoints $trace_command "(0xaaaaaaaa ^ 0x55555555) == 0xaaaaaaaa" 0 186 187 test_tracepoints $trace_command "~0xaaaaaaaa == 0x55555555" 10 188 test_tracepoints $trace_command "~0xaaaaaaaa == 0x11111111" 0 189 190 test_tracepoints $trace_command "21 < 42" 10 191 test_tracepoints $trace_command "61 < 42" 0 192 193 test_tracepoints $trace_command "21U < 42U" 10 194 test_tracepoints $trace_command "61U < 42U" 0 195 196 test_tracepoints $trace_command "42 <= 42" 10 197 test_tracepoints $trace_command "42 <= 11" 0 198 199 test_tracepoints $trace_command "42 >= 42" 10 200 test_tracepoints $trace_command "11 >= 42" 0 201 202 test_tracepoints $trace_command "42 > 21" 10 203 test_tracepoints $trace_command "11 > 21" 0 204 205 test_tracepoints $trace_command "(21 < 42 ? 0 : 1) == 0" 10 18955_i386_failure 206 test_tracepoints $trace_command "(66 < 42 ? 0 : 1) == 0" 0 18955_i386_failure 207 208 test_tracepoints $trace_command "(42 <= 42 ? 0 : 1) == 0" 10 209 test_tracepoints $trace_command "(66 <= 42 ? 0 : 1) == 0" 0 210 211 test_tracepoints $trace_command "(42 >= 42 ? 0 : 1) == 0" 10 212 test_tracepoints $trace_command "(11 >= 42 ? 0 : 1) == 0" 0 213 214 test_tracepoints $trace_command "(42 > 21 ? 0 : 1) == 0" 10 18955_i386_failure 215 test_tracepoints $trace_command "(11 > 21 ? 0 : 1) == 0" 0 18955_i386_failure 216 217 test_tracepoints $trace_command "\$trace_timestamp >= 0" 10 218 219 # Test operations with 64 bit operands. 220 test_tracepoints $trace_command "0xabababab00000000 == 0xcdcdcdcd00000000" 0 221 test_tracepoints $trace_command "0xabababab00000000 == 0xabababab00000000" 10 222 223 test_tracepoints $trace_command "!0xabababab00000000 == 0" 10 224 test_tracepoints $trace_command "!0x0 == 0" 0 225 226 test_tracepoints $trace_command "0xababababcdcdcdcd + 0x1111111143434343 == 0xbcbcbcbd11111110" 10 227 test_tracepoints $trace_command "0xababababcdcdcdff + 0x1111111143434343 == 0xbcbcbcbd11111110" 0 228 229 test_tracepoints $trace_command "0xababababcdcdcdcd - 0x11111111dc111111 == 0x9a9a9a99f1bcbcbc" 10 230 test_tracepoints $trace_command "0xababababcdcdcdff - 0x11111111dc111111 == 0x9a9a9a99f1bcbcbc" 0 231 232 test_tracepoints $trace_command "0xababababcdcdcdcd * 0xababababcdcdcdcd == 0x55320eeb91c3f629" 10 233 test_tracepoints $trace_command "0xababababcdcdcdff * 0xababababcdcdcdcd == 0x55320eeb91c3f629" 0 234 235 test_tracepoints $trace_command "0x00abababcdcdcdcd << 1 == 0x15757579b9b9b9a" 10 236 test_tracepoints $trace_command "0x00abababcdcdcdff << 1 == 0x15757579b9b9b9a" 0 237 238 test_tracepoints $trace_command "0x00abababcdcdcdcd << 46 == 0x7373400000000000" 10 239 test_tracepoints $trace_command "0x00abababcdcdcdff << 46 == 0x7373400000000000" 0 240 241 # signed rsh 242 test_tracepoints $trace_command "0x00abababcdcdcdcd >> 1 == 0x55d5d5e6e6e6e6" 10 243 test_tracepoints $trace_command "0x00bcababcdcdcdcd >> 1 == 0x55d5d5e6e6e6e6" 0 244 245 test_tracepoints $trace_command "0x00abababcdcdcdcd >> 46 == 0x2ae" 10 246 test_tracepoints $trace_command "0x00bcababcdcdcdcd >> 46 == 0x2ae" 0 247 248 # unsigned rsh 249 test_tracepoints $trace_command "0xababababcdcdcdcdUL >> 1 == 0x55d5d5d5e6e6e6e6UL" 10 250 test_tracepoints $trace_command "0xcdabababcdcdcdcdUL >> 1 == 0x55d5d5d5e6e6e6e6UL" 0 251 252 test_tracepoints $trace_command "0xababababcdcdcdcdUL >> 46 == 0x2aeaeUL" 10 253 test_tracepoints $trace_command "0xcdabababcdcdcdcdUL >> 46 == 0x2aeaeUL" 0 254 255 test_tracepoints $trace_command "-(0x00abababcdcdcdcd << 1) == -0x15757579b9b9b9a" 10 256 test_tracepoints $trace_command "-(0x00abababcdcdcdff << 1) == -0x15757579b9b9b9a" 0 257 258 test_tracepoints $trace_command "-(0x00abababcdcdcdcd >> 1) == -0x55d5d5e6e6e6e6" 10 259 test_tracepoints $trace_command "-(0x00cdababcdcdcdcd >> 1) == -0x55d5d5e6e6e6e6" 0 260 261 test_tracepoints $trace_command "(0xababababcdcdcdcd & 0x00000fffffffffff) == 0x00000babcdcdcdcd" 10 262 test_tracepoints $trace_command "(0xababababcdcdcdcd & 0x00000fffffffff00) == 0x00000babcdcdcdcd" 0 263 264 test_tracepoints $trace_command "(0xababababcdcdcdcd | 0x00000fffffffffff) == 0xababafffffffffff" 10 265 test_tracepoints $trace_command "(0xababababcdcdcdcd | 0x00000fffffffff00) == 0xababafffffffffff" 0 266 267 test_tracepoints $trace_command "(0xaaaaaaaaaaaaaaaa ^ 0x5555555555555555) == 0xffffffffffffffff" 10 268 test_tracepoints $trace_command "(0xaaaaaaaaaaaaaaaa ^ 0x5555555555555111) == 0xffffffffffffffff" 0 269 270 test_tracepoints $trace_command "~0xaaaaaaaaaaaaaaaa == 0x5555555555555555" 10 271 test_tracepoints $trace_command "~0xaaaaaaaaaaaaaaaa == 0x5555555555555111" 0 272 273 # less unsigned 274 test_tracepoints $trace_command "0x99999999bbbbbbbb < 0xaaaaaaaaaaaaaaaa" 10 275 test_tracepoints $trace_command "0xbb999999bbbbbbbb < 0xaaaaaaaaaaaaaaaa" 0 276 277 test_tracepoints $trace_command "0x99999999bbbbbbbb < 0x99999999cccccccc" 10 278 test_tracepoints $trace_command "0x99999999eebbbbbb < 0x99999999cccccccc" 0 279 280 test_tracepoints $trace_command "0x99999999bbbbbbbb <= 0x99999999bbbbbbbb" 10 281 test_tracepoints $trace_command "0xbb999999eebbbbbb <= 0x99999999bbbbbbbb" 0 282 283 # less signed 284 test_tracepoints $trace_command "0x09999999bbbbbbbb < 0x0aaaaaaaaaaaaaaa" 10 285 test_tracepoints $trace_command "0x0bb99999ccbbbbbb < 0x0aaaaaaaaaaaaaaa" 0 286 287 test_tracepoints $trace_command "0x09999999bbbbbbbb < 0x09999999cccccccc" 10 288 test_tracepoints $trace_command "0x09999999ddbbbbbb < 0x09999999cccccccc" 0 289 290 test_tracepoints $trace_command "0x09999999bbbbbbbb <= 0x09999999bbbbbbbb" 10 291 test_tracepoints $trace_command "0x0aa99999bbbbbbbb <= 0x09999999bbbbbbbb" 0 292 293 test_tracepoints $trace_command "0x0aaaaaaaaaaaaaaa > 0x09999999bbbbbbbb" 10 294 test_tracepoints $trace_command "0x088aaaaabbaaaaaa > 0x09999999bbbbbbbb" 0 295 296 test_tracepoints $trace_command "(0xabababab00000000 == 0xcdcdcdcd00000000 ? 1 : 0) == 0" 10 297 test_tracepoints $trace_command "(0xcdcdcdcd00000000 == 0xcdcdcdcd00000000 ? 1 : 0) == 0" 0 298 299 test_tracepoints $trace_command "(0xabababab00000000 != 0xcdcdcdcd00000000 ? 1 : 0) == 1" 10 300 test_tracepoints $trace_command "(0xcdcdcdcd00000000 != 0xcdcdcdcd00000000 ? 1 : 0) == 1" 0 301 302 test_tracepoints $trace_command "(0x09999999bbbbbbbb < 0x09999999cccccccc ? 1 : 0) == 1" 10 18955_i386_failure 303 test_tracepoints $trace_command "(0x09999999eeebbbbb < 0x09999999cccccccc ? 1 : 0) == 1" 0 18955_i386_failure 304 305 test_tracepoints $trace_command "(0x09999999bbbbbbbb <= 0x09999999bbbbbbbb ? 1 : 0) == 1" 10 306 test_tracepoints $trace_command "(0x09999999eeebbbbb <= 0x09999999bbbbbbbb ? 1 : 0) == 1" 0 307 308 test_tracepoints $trace_command "(0x09999999bbbbbbbb >= 0x09999999bbbbbbbb ? 1 : 0) == 1" 10 309 test_tracepoints $trace_command "(0x00099999bbbbbbbb >= 0x09999999bbbbbbbb ? 1 : 0) == 1" 0 310 311 test_tracepoints $trace_command "(0x0aaaaaaaaaaaaaaa > 0x09999999bbbbbbbb ? 1 : 0) == 1" 10 312 test_tracepoints $trace_command "(0x00088888ccaaaaaa > 0x09999999bbbbbbbb ? 1 : 0) == 1" 0 313} 314