gdb/testsuite/gdb.trace/change-loc.exp

   1 # Copyright 2011-2012 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 if {[skip_shlib_tests]} {
  18     return 0
  19 }
  20
  21 set testfile "change-loc"
  22 set libfile1 "change-loc-1"
  23 set libfile2 "change-loc-2"
  24 set srcfile $testfile.c
  25 set executable $testfile
  26 set libsrc1 $srcdir/$subdir/$libfile1.c
  27 set libsrc2 $srcdir/$subdir/$libfile2.c
  28 set binfile $objdir/$subdir/$testfile
  29 set lib_sl1 $objdir/$subdir/$libfile1.sl
  30 set lib_sl2 $objdir/$subdir/$libfile2.sl
  31
  32 set lib_opts debug
  33
  34 if [get_compiler_info ${binfile}] {
  35     return -1
  36 }
  37
  38 # Some targets have leading underscores on assembly symbols.
  39 set additional_flags [list debug shlib=$lib_sl1 shlib_load [gdb_target_symbol_prefix_flags]]
  40
  41 if { [gdb_compile_shlib $libsrc1 $lib_sl1 $lib_opts] != ""
  42      || [gdb_compile_shlib $libsrc2 $lib_sl2 $lib_opts] != ""
  43      || [gdb_compile $srcdir/$subdir/$srcfile $binfile executable $additional_flags] != ""} {
  44     untested "Could not compile either $libsrc1 or $srcdir/$subdir/$srcfile."
  45     return -1
  46 }
  47
  48 clean_restart $executable
  49
  50 gdb_load_shlibs $lib_sl1
  51 gdb_load_shlibs $lib_sl2
  52
  53 if ![runto_main] {
  54     fail "Can't run to main to check for trace support"
  55     return -1
  56 }
  57
  58 if { ![gdb_target_supports_trace] } then {
  59     unsupported "Current target does not support trace"
  60     return -1;
  61 }
  62
  63 if [is_amd64_regs_target] {
  64     set pcreg "rip"
  65 } elseif [is_x86_like_target] {
  66     set pcreg "eip"
  67 } else {
  68     set pcreg "pc"
  69 }
  70
  71
  72 # Set tracepoint during tracing experiment.
  73
  74 proc tracepoint_change_loc_1 { trace_type } { with_test_prefix "1 $trace_type" {
  75     global testfile
  76     global srcfile
  77     global pcreg
  78     global gdb_prompt
  79
  80     clean_restart ${testfile}
  81     if ![runto_main] {
  82         fail "Can't run to main"
  83         return -1
  84     }
  85     gdb_test_no_output "delete break 1"
  86
  87     # Set a tracepoint we'll never meet.  Just to avoid the complain after
  88     # type `tstart' later.
  89     gdb_test "next" ".*"
  90     gdb_test "trace main" "Tracepoint \[0-9\] at.* file .*$srcfile, line.*" \
  91         "set tracepoint on main"
  92
  93     gdb_test "break marker" "Breakpoint.*at.* file .*$srcfile, line.*" \
  94         "breakpoint on marker"
  95
  96     gdb_test_no_output "tstart"
  97
  98     gdb_test "continue" ".*Breakpoint.*marker.*at.*$srcfile.*" \
  99         "continue to marker 1"
 100     # Set a tracepoint during tracing.
 101     gdb_test "${trace_type} set_tracepoint" ".*" "set tracepoint on set_tracepoint"
 102
 103     gdb_trace_setactions "set action for tracepoint" "" \
 104         "collect \$$pcreg" "^$"
 105
 106     # tracepoint has two locations after shlib change-loc-1 is loaded.
 107     gdb_test "info trace" \
 108         "Num     Type\[ \]+Disp Enb Address\[ \]+What.*
 109 \[0-9\]+\[\t \]+\(|fast \)tracepoint\[ \]+keep y.*\<MULTIPLE\>.*4\.1.* in func4.*4\.2.* in func4.*" \
 110         "tracepoint with two locations"
 111
 112     gdb_test_multiple "continue" "continue to marker 2" {
 113         -re ".*Breakpoint.*marker.*at.*$srcfile.*$gdb_prompt $" {
 114             pass "continue to marker 2"
 115         }
 116         -re ".*$gdb_prompt $" {
 117             kfail "gdb/13392" "continue to marker 2"
 118             return
 119         }
 120     }
 121     # tracepoint has three locations after shlib change-loc-2 is loaded.
 122     gdb_test "info trace" \
 123         "Num     Type\[ \]+Disp Enb Address\[ \]+What.*
 124 \[0-9\]+\[\t \]+\(|fast \)tracepoint\[ \]+keep y.*\<MULTIPLE\>.*4\.1.* in func4.*4\.2.* in func4.*4\.3.* in func4 .*" \
 125         "tracepoint with three locations"
 126
 127     gdb_test "continue" ".*Breakpoint.*marker.*at.*$srcfile.*" \
 128         "continue to marker 3"
 129
 130     # shlib is unloaded, there are still three locations, but one is pending.
 131     gdb_test "info trace" \
 132         "Num     Type\[ \]+Disp Enb Address\[ \]+What.*
 133 \[0-9\]+\[\t \]+\(|fast \)tracepoint\[ \]+keep y.*\<MULTIPLE\>.*4\.1.* in func4.*4\.2.* in func4.*4\.3.* \<PENDING\>\[\t \]+set_tracepoint.*" \
 134         "tracepoint with two locations (unload)"
 135
 136     gdb_test_no_output "tstop"
 137
 138     gdb_test "tfind" "Found trace frame 0, tracepoint 4.*" "tfind frame 0"
 139     gdb_test "tfind" "Target failed to find requested trace frame\\..*"
 140 }}
 141
 142 # Set pending tracepoint.
 143
 144 proc tracepoint_change_loc_2 { trace_type } { with_test_prefix "2 $trace_type" {
 145     global srcdir
 146     global srcfile
 147     global subdir
 148     global pcreg
 149     global binfile
 150     global gdb_prompt
 151
 152     gdb_exit
 153     gdb_start
 154     gdb_reinitialize_dir $srcdir/$subdir
 155
 156     gdb_test_multiple "${trace_type} set_tracepoint" "set pending tracepoint" {
 157         -re ".*Make \(|fast \)tracepoint pending.*y or \\\[n\\\]. $" {
 158             gdb_test "y" "\(Fast t|T\)racepoint.*set_tracepoint.*pending." "set pending tracepoint"
 159         }
 160     }
 161
 162     gdb_trace_setactions "set action for tracepoint" "" \
 163         "collect \$$pcreg" "^$"
 164
 165     # tracepoint has no location information now.
 166     gdb_test "info trace" \
 167         "Num     Type\[ \]+Disp Enb Address\[ \]+What.*
 168 \[0-9\]+\[\t \]+\(|fast \)tracepoint\[ \]+keep y.*PENDING.*set_tracepoint.*" \
 169         "single pending tracepoint info (without symbols)"
 170
 171     gdb_load ${binfile}
 172     # tracepoint has one location after executable is loaded.
 173     gdb_test "info trace" \
 174         "Num     Type\[ \]+Disp Enb Address\[ \]+What.*
 175 \[0-9\]+\[\t \]+\(|fast \)tracepoint\[ \]+keep y.*func4.*" \
 176         "tracepoint with one location"
 177
 178     set main_bp 0
 179     gdb_test_multiple "break main" "set breakpoint on main" {
 180         -re "Breakpoint (\[0-9\]*) at .*, line.*$gdb_prompt $" {
 181             set main_bp $expect_out(1,string)
 182         }
 183     }
 184     gdb_run_cmd
 185
 186     gdb_test "" \
 187         ".*Breakpoint.*main.*at.*$srcfile.*" \
 188         "run to main"
 189     gdb_test_no_output "delete break $main_bp"
 190
 191     # tracepoint has two locations after shlib change-loc-1 is loaded.
 192     gdb_test "info trace" \
 193         "Num     Type\[ \]+Disp Enb Address\[ \]+What.*
 194 \[0-9\]+\[\t \]+\(|fast \)tracepoint\[ \]+keep y.*\<MULTIPLE\>.*1\.1.* in func4.*1\.2.* in func4.*" \
 195         "tracepoint with two locations"
 196
 197     gdb_test "break marker" "Breakpoint.*at.* file .*$srcfile, line.*" \
 198         "breakpoint on marker"
 199
 200     # tracepoint with two locations will be downloaded and installed.
 201     gdb_test_no_output "tstart"
 202
 203     gdb_test_multiple "continue" "continue to marker 1" {
 204         -re ".*Breakpoint.*marker.*at.*$srcfile.*$gdb_prompt $" {
 205             pass "continue to marker 1"
 206         }
 207         -re ".*$gdb_prompt $" {
 208             kfail "gdb/13392" "continue to marker 1"
 209             return
 210         }
 211     }
 212
 213     gdb_test "continue" ".*Breakpoint.*marker.*at.*$srcfile.*" \
 214         "continue to marker 2"
 215
 216     # tracepoint has three locations after shlib change-loc-2 is loaded.
 217     gdb_test "info trace" \
 218         "Num     Type\[ \]+Disp Enb Address\[ \]+What.*
 219 \[0-9\]+\[\t \]+\(|fast \)tracepoint\[ \]+keep y.*\<MULTIPLE\>.*1\.1.* in func4.*1\.2.* in func4.*1\.3.* in func4 .*" \
 220         "tracepoint with three locations"
 221
 222     gdb_test "continue" ".*Breakpoint.*marker.*at.*$srcfile.*" \
 223         "continue to marker 3"
 224
 225     # shlib is unloaded, there are still three locations, but one is pending.
 226     gdb_test "info trace" \
 227         "Num     Type\[ \]+Disp Enb Address\[ \]+What.*
 228 \[0-9\]+\[\t \]+\(|fast \)tracepoint\[ \]+keep y.*\<MULTIPLE\>.*1\.1.* in func4.*1\.2.* in func4.*1\.3.* \<PENDING\>\[\t \]+set_tracepoint.*" \
 229         "tracepoint with two locations (unload)"
 230
 231     gdb_test_no_output "tstop"
 232
 233     gdb_test "tfind" "Found trace frame 0, tracepoint 1.*" "tfind frame 0"
 234     gdb_test "tfind" "Found trace frame 1, tracepoint 1.*" "tfind frame 1"
 235     gdb_test "tfind" "Found trace frame 2, tracepoint 1.*" "tfind frame 2"
 236     gdb_test "tfind" "Target failed to find requested trace frame\\..*"
 237 }}
 238
 239 tracepoint_change_loc_1 "trace"
 240 tracepoint_change_loc_2 "trace"
 241
 242 # Re-compile test case with IPA.
 243 set libipa $objdir/../gdbserver/libinproctrace.so
 244 gdb_load_shlibs $libipa
 245
 246 if { [gdb_compile "$srcdir/$subdir/$srcfile" $binfile executable \
 247           [list debug nowarnings shlib=$libipa shlib=$lib_sl1 shlib_load] ] != "" } {
 248     untested change-loc.exp
 249     return -1
 250 }
 251
 252 tracepoint_change_loc_1 "ftrace"
 253 tracepoint_change_loc_2 "ftrace"