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 } {
  75     global testfile
  76     global srcfile
  77     global pcreg
  78     global gdb_prompt
  79     global pf_prefix
  80
  81     set old_pf_prefix $pf_prefix
  82     set pf_prefix "$pf_prefix 1 $trace_type:"
  83
  84     clean_restart ${testfile}
  85     if ![runto_main] {
  86         fail "Can't run to main"
  87         set pf_prefix $old_pf_prefix
  88         return -1
  89     }
  90     gdb_test_no_output "delete break 1"
  91
  92     # Set a tracepoint we'll never meet.  Just to avoid the complain after
  93     # type `tstart' later.
  94     gdb_test "next" ".*"
  95     gdb_test "trace main" "Tracepoint \[0-9\] at.* file .*$srcfile, line.*" \
  96         "set tracepoint on main"
  97
  98     gdb_test "break marker" "Breakpoint.*at.* file .*$srcfile, line.*" \
  99         "breakpoint on marker"
 100
 101     gdb_test_no_output "tstart"
 102
 103     gdb_test "continue" ".*Breakpoint.*marker.*at.*$srcfile.*" \
 104         "continue to marker 1"
 105     # Set a tracepoint during tracing.
 106     gdb_test "${trace_type} set_tracepoint" ".*" "set tracepoint on set_tracepoint"
 107
 108     gdb_trace_setactions "set action for tracepoint" "" \
 109         "collect \$$pcreg" "^$"
 110
 111     # tracepoint has two locations after shlib change-loc-1 is loaded.
 112     gdb_test "info trace" \
 113         "Num     Type\[ \]+Disp Enb Address\[ \]+What.*
 114 \[0-9\]+\[\t \]+\(|fast \)tracepoint\[ \]+keep y.*\<MULTIPLE\>.*4\.1.* in func4.*4\.2.* in func4.*" \
 115         "tracepoint with two locations"
 116
 117     gdb_test_multiple "continue" "continue to marker 2" {
 118         -re ".*Breakpoint.*marker.*at.*$srcfile.*$gdb_prompt $" {
 119             pass "continue to marker 2"
 120         }
 121         -re ".*$gdb_prompt $" {
 122             kfail "gdb/13392" "continue to marker 2"
 123             set pf_prefix $old_pf_prefix
 124             return
 125         }
 126     }
 127     # tracepoint has three locations after shlib change-loc-2 is loaded.
 128     gdb_test "info trace" \
 129         "Num     Type\[ \]+Disp Enb Address\[ \]+What.*
 130 \[0-9\]+\[\t \]+\(|fast \)tracepoint\[ \]+keep y.*\<MULTIPLE\>.*4\.1.* in func4.*4\.2.* in func4.*4\.3.* in func4 .*" \
 131         "tracepoint with three locations"
 132
 133     gdb_test "continue" ".*Breakpoint.*marker.*at.*$srcfile.*" \
 134         "continue to marker 3"
 135
 136     # shlib is unloaded, there are still three locations, but one is pending.
 137     gdb_test "info trace" \
 138         "Num     Type\[ \]+Disp Enb Address\[ \]+What.*
 139 \[0-9\]+\[\t \]+\(|fast \)tracepoint\[ \]+keep y.*\<MULTIPLE\>.*4\.1.* in func4.*4\.2.* in func4.*4\.3.* \<PENDING\>\[\t \]+set_tracepoint.*" \
 140         "tracepoint with two locations (unload)"
 141
 142     gdb_test_no_output "tstop"
 143
 144     gdb_test "tfind" "Found trace frame 0, tracepoint 4.*" "tfind frame 0"
 145     gdb_test "tfind" "Target failed to find requested trace frame\\..*"
 146
 147     set pf_prefix $old_pf_prefix
 148 }
 149
 150 # Set pending tracepoint.
 151
 152 proc tracepoint_change_loc_2 { trace_type } {
 153     global srcdir
 154     global srcfile
 155     global subdir
 156     global pcreg
 157     global binfile
 158     global gdb_prompt
 159     global pf_prefix
 160
 161     set old_pf_prefix $pf_prefix
 162     set pf_prefix "$pf_prefix 2 $trace_type:"
 163
 164     gdb_exit
 165     gdb_start
 166     gdb_reinitialize_dir $srcdir/$subdir
 167
 168     gdb_test_multiple "${trace_type} set_tracepoint" "set pending tracepoint" {
 169         -re ".*Make \(|fast \)tracepoint pending.*y or \\\[n\\\]. $" {
 170             gdb_test "y" "\(Fast t|T\)racepoint.*set_tracepoint.*pending." "set pending tracepoint"
 171         }
 172     }
 173
 174     gdb_trace_setactions "set action for tracepoint" "" \
 175         "collect \$$pcreg" "^$"
 176
 177     # tracepoint has no location information now.
 178     gdb_test "info trace" \
 179         "Num     Type\[ \]+Disp Enb Address\[ \]+What.*
 180 \[0-9\]+\[\t \]+\(|fast \)tracepoint\[ \]+keep y.*PENDING.*set_tracepoint.*" \
 181         "single pending tracepoint info (without symbols)"
 182
 183     gdb_load ${binfile}
 184     # tracepoint has one location after executable is loaded.
 185     gdb_test "info trace" \
 186         "Num     Type\[ \]+Disp Enb Address\[ \]+What.*
 187 \[0-9\]+\[\t \]+\(|fast \)tracepoint\[ \]+keep y.*func4.*" \
 188         "tracepoint with one location"
 189
 190     set main_bp 0
 191     gdb_test_multiple "break main" "set breakpoint on main" {
 192         -re "Breakpoint (\[0-9\]*) at .*, line.*$gdb_prompt $" {
 193             set main_bp $expect_out(1,string)
 194         }
 195     }
 196     gdb_run_cmd
 197
 198     gdb_test "" \
 199         ".*Breakpoint.*main.*at.*$srcfile.*" \
 200         "run to main"
 201     gdb_test_no_output "delete break $main_bp"
 202
 203     # tracepoint has two locations after shlib change-loc-1 is loaded.
 204     gdb_test "info trace" \
 205         "Num     Type\[ \]+Disp Enb Address\[ \]+What.*
 206 \[0-9\]+\[\t \]+\(|fast \)tracepoint\[ \]+keep y.*\<MULTIPLE\>.*1\.1.* in func4.*1\.2.* in func4.*" \
 207         "tracepoint with two locations"
 208
 209     gdb_test "break marker" "Breakpoint.*at.* file .*$srcfile, line.*" \
 210         "breakpoint on marker"
 211
 212     # tracepoint with two locations will be downloaded and installed.
 213     gdb_test_no_output "tstart"
 214
 215     gdb_test_multiple "continue" "continue to marker 1" {
 216         -re ".*Breakpoint.*marker.*at.*$srcfile.*$gdb_prompt $" {
 217             pass "continue to marker 1"
 218         }
 219         -re ".*$gdb_prompt $" {
 220             kfail "gdb/13392" "continue to marker 1"
 221             set pf_prefix $old_pf_prefix
 222             return
 223         }
 224     }
 225
 226     gdb_test "continue" ".*Breakpoint.*marker.*at.*$srcfile.*" \
 227         "continue to marker 2"
 228
 229     # tracepoint has three locations after shlib change-loc-2 is loaded.
 230     gdb_test "info trace" \
 231         "Num     Type\[ \]+Disp Enb Address\[ \]+What.*
 232 \[0-9\]+\[\t \]+\(|fast \)tracepoint\[ \]+keep y.*\<MULTIPLE\>.*1\.1.* in func4.*1\.2.* in func4.*1\.3.* in func4 .*" \
 233         "tracepoint with three locations"
 234
 235     gdb_test "continue" ".*Breakpoint.*marker.*at.*$srcfile.*" \
 236         "continue to marker 3"
 237
 238     # shlib is unloaded, there are still three locations, but one is pending.
 239     gdb_test "info trace" \
 240         "Num     Type\[ \]+Disp Enb Address\[ \]+What.*
 241 \[0-9\]+\[\t \]+\(|fast \)tracepoint\[ \]+keep y.*\<MULTIPLE\>.*1\.1.* in func4.*1\.2.* in func4.*1\.3.* \<PENDING\>\[\t \]+set_tracepoint.*" \
 242         "tracepoint with two locations (unload)"
 243
 244     gdb_test_no_output "tstop"
 245
 246     gdb_test "tfind" "Found trace frame 0, tracepoint 1.*" "tfind frame 0"
 247     gdb_test "tfind" "Found trace frame 1, tracepoint 1.*" "tfind frame 1"
 248     gdb_test "tfind" "Found trace frame 2, tracepoint 1.*" "tfind frame 2"
 249     gdb_test "tfind" "Target failed to find requested trace frame\\..*"
 250
 251     set pf_prefix $old_pf_prefix
 252 }
 253
 254 tracepoint_change_loc_1 "trace"
 255 tracepoint_change_loc_2 "trace"
 256
 257 # Re-compile test case with IPA.
 258 set libipa $objdir/../gdbserver/libinproctrace.so
 259 gdb_load_shlibs $libipa
 260
 261 if { [gdb_compile "$srcdir/$subdir/$srcfile" $binfile executable \
 262           [list debug nowarnings shlib=$libipa shlib=$lib_sl1 shlib_load] ] != "" } {
 263     untested change-loc.exp
 264     return -1
 265 }
 266
 267 tracepoint_change_loc_1 "ftrace"
 268 tracepoint_change_loc_2 "ftrace"