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

   1 # Copyright 2011 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 $tracelevel then {
  18     strace $tracelevel
  19 }
  20
  21 if {[skip_shlib_tests]} {
  22     return 0
  23 }
  24
  25 set testfile "change-loc"
  26 set libfile1 "change-loc-1"
  27 set libfile2 "change-loc-2"
  28 set srcfile $testfile.c
  29 set executable $testfile
  30 set libsrc1 $srcdir/$subdir/$libfile1.c
  31 set libsrc2 $srcdir/$subdir/$libfile2.c
  32 set binfile $objdir/$subdir/$testfile
  33 set lib_sl1 $objdir/$subdir/$libfile1.sl
  34 set lib_sl2 $objdir/$subdir/$libfile2.sl
  35
  36 set lib_opts debug
  37
  38 if [get_compiler_info ${binfile}] {
  39     return -1
  40 }
  41
  42 # Some targets have leading underscores on assembly symbols.
  43 set additional_flags [list debug shlib=$lib_sl1 shlib_load [gdb_target_symbol_prefix_flags]]
  44
  45 if { [gdb_compile_shlib $libsrc1 $lib_sl1 $lib_opts] != ""
  46      || [gdb_compile_shlib $libsrc2 $lib_sl2 $lib_opts] != ""
  47      || [gdb_compile $srcdir/$subdir/$srcfile $binfile executable $additional_flags] != ""} {
  48     untested "Could not compile either $libsrc1 or $srcdir/$subdir/$srcfile."
  49     return -1
  50 }
  51
  52 clean_restart $executable
  53
  54 gdb_load_shlibs $lib_sl1
  55 gdb_load_shlibs $lib_sl2
  56
  57 if ![runto_main] {
  58     fail "Can't run to main to check for trace support"
  59     return -1
  60 }
  61
  62 if { ![gdb_target_supports_trace] } then {
  63     unsupported "Current target does not support trace"
  64     return -1;
  65 }
  66
  67 if [is_amd64_regs_target] {
  68     set pcreg "rip"
  69 } elseif [is_x86_like_target] {
  70     set pcreg "eip"
  71 } else {
  72     set pcreg "pc"
  73 }
  74
  75
  76 # Set tracepoint during tracing experiment.
  77
  78 proc tracepoint_change_loc_1 { trace_type } {
  79     global testfile
  80     global srcfile
  81     global pcreg
  82     global gdb_prompt
  83     global pf_prefix
  84
  85     set old_pf_prefix $pf_prefix
  86     set pf_prefix "$pf_prefix 1 $trace_type:"
  87
  88     clean_restart ${testfile}
  89     if ![runto_main] {
  90         fail "Can't run to main"
  91         set pf_prefix $old_pf_prefix
  92         return -1
  93     }
  94     gdb_test_no_output "delete break 1"
  95
  96     # Set a tracepoint we'll never meet.  Just to avoid the complain after
  97     # type `tstart' later.
  98     gdb_test "next" ".*"
  99     gdb_test "trace main" "Tracepoint \[0-9\] at.* file .*$srcfile, line.*" \
 100         "set tracepoint on main"
 101
 102     gdb_test "break marker" "Breakpoint.*at.* file .*$srcfile, line.*" \
 103         "breakpoint on marker"
 104
 105     gdb_test_no_output "tstart"
 106
 107     gdb_test "continue" ".*Breakpoint.*marker.*at.*$srcfile.*" \
 108         "continue to marker 1"
 109     # Set a tracepoint during tracing.
 110     gdb_test "${trace_type} set_tracepoint" ".*" "set tracepoint on set_tracepoint"
 111
 112     gdb_trace_setactions "set action for tracepoint" "" \
 113         "collect \$$pcreg" "^$"
 114
 115     # tracepoint has two locations after shlib change-loc-1 is loaded.
 116     gdb_test "info trace" \
 117         "Num     Type\[ \]+Disp Enb Address\[ \]+What.*
 118 \[0-9\]+\[\t \]+\(|fast \)tracepoint\[ \]+keep y.*\<MULTIPLE\>.*4\.1.* in func4.*4\.2.* in func4.*" \
 119         "tracepoint with two locations"
 120
 121     gdb_test_multiple "continue" "continue to marker 2" {
 122         -re ".*Breakpoint.*marker.*at.*$srcfile.*$gdb_prompt $" {
 123             pass "continue to marker 2"
 124         }
 125         -re ".*$gdb_prompt $" {
 126             kfail "gdb/13392" "continue to marker 2"
 127             set pf_prefix $old_pf_prefix
 128             return
 129         }
 130     }
 131     # tracepoint has three locations after shlib change-loc-2 is loaded.
 132     gdb_test "info trace" \
 133         "Num     Type\[ \]+Disp Enb Address\[ \]+What.*
 134 \[0-9\]+\[\t \]+\(|fast \)tracepoint\[ \]+keep y.*\<MULTIPLE\>.*4\.1.* in func4.*4\.2.* in func4.*4\.3.* in func4 .*" \
 135         "tracepoint with three locations"
 136
 137     gdb_test "continue" ".*Breakpoint.*marker.*at.*$srcfile.*" \
 138         "continue to marker 3"
 139
 140     # shlib is unloaded, there are still three locations, but one is pending.
 141     gdb_test "info trace" \
 142         "Num     Type\[ \]+Disp Enb Address\[ \]+What.*
 143 \[0-9\]+\[\t \]+\(|fast \)tracepoint\[ \]+keep y.*\<MULTIPLE\>.*4\.1.* in func4.*4\.2.* in func4.*4\.3.* \<PENDING\>\[\t \]+set_tracepoint.*" \
 144         "tracepoint with two locations (unload)"
 145
 146     gdb_test_no_output "tstop"
 147
 148     gdb_test "tfind" "Found trace frame 0, tracepoint 4.*" "tfind frame 0"
 149     gdb_test "tfind" "Target failed to find requested trace frame\\..*"
 150
 151     set pf_prefix $old_pf_prefix
 152 }
 153
 154 # Set pending tracepoint.
 155
 156 proc tracepoint_change_loc_2 { trace_type } {
 157     global srcdir
 158     global srcfile
 159     global subdir
 160     global pcreg
 161     global binfile
 162     global gdb_prompt
 163     global pf_prefix
 164
 165     set old_pf_prefix $pf_prefix
 166     set pf_prefix "$pf_prefix 2 $trace_type:"
 167
 168     gdb_exit
 169     gdb_start
 170     gdb_reinitialize_dir $srcdir/$subdir
 171
 172     gdb_test_multiple "${trace_type} set_tracepoint" "set pending tracepoint" {
 173         -re ".*Make \(|fast \)tracepoint pending.*y or \\\[n\\\]. $" {
 174             gdb_test "y" "\(Fast t|T\)racepoint.*set_tracepoint.*pending." "set pending tracepoint"
 175         }
 176     }
 177
 178     gdb_trace_setactions "set action for tracepoint" "" \
 179         "collect \$$pcreg" "^$"
 180
 181     # tracepoint has no location information now.
 182     gdb_test "info trace" \
 183         "Num     Type\[ \]+Disp Enb Address\[ \]+What.*
 184 \[0-9\]+\[\t \]+\(|fast \)tracepoint\[ \]+keep y.*PENDING.*set_tracepoint.*" \
 185         "single pending tracepoint info (without symbols)"
 186
 187     gdb_load ${binfile}
 188     # tracepoint has one location after executable is loaded.
 189     gdb_test "info trace" \
 190         "Num     Type\[ \]+Disp Enb Address\[ \]+What.*
 191 \[0-9\]+\[\t \]+\(|fast \)tracepoint\[ \]+keep y.*func4.*" \
 192         "tracepoint with one location"
 193
 194     set main_bp 0
 195     gdb_test_multiple "break main" "set breakpoint on main" {
 196         -re "Breakpoint (\[0-9\]*) at .*, line.*$gdb_prompt $" {
 197             set main_bp $expect_out(1,string)
 198         }
 199     }
 200     gdb_run_cmd
 201
 202     gdb_test "" \
 203         ".*Breakpoint.*main.*at.*$srcfile.*" \
 204         "run to main"
 205     gdb_test_no_output "delete break $main_bp"
 206
 207     # tracepoint has two locations after shlib change-loc-1 is loaded.
 208     gdb_test "info trace" \
 209         "Num     Type\[ \]+Disp Enb Address\[ \]+What.*
 210 \[0-9\]+\[\t \]+\(|fast \)tracepoint\[ \]+keep y.*\<MULTIPLE\>.*1\.1.* in func4.*1\.2.* in func4.*" \
 211         "tracepoint with two locations"
 212
 213     gdb_test "break marker" "Breakpoint.*at.* file .*$srcfile, line.*" \
 214         "breakpoint on marker"
 215
 216     # tracepoint with two locations will be downloaded and installed.
 217     gdb_test_no_output "tstart"
 218
 219     gdb_test_multiple "continue" "continue to marker 1" {
 220         -re ".*Breakpoint.*marker.*at.*$srcfile.*$gdb_prompt $" {
 221             pass "continue to marker 1"
 222         }
 223         -re ".*$gdb_prompt $" {
 224             kfail "gdb/13392" "continue to marker 1"
 225             set pf_prefix $old_pf_prefix
 226             return
 227         }
 228     }
 229
 230     gdb_test "continue" ".*Breakpoint.*marker.*at.*$srcfile.*" \
 231         "continue to marker 2"
 232
 233     # tracepoint has three locations after shlib change-loc-2 is loaded.
 234     gdb_test "info trace" \
 235         "Num     Type\[ \]+Disp Enb Address\[ \]+What.*
 236 \[0-9\]+\[\t \]+\(|fast \)tracepoint\[ \]+keep y.*\<MULTIPLE\>.*1\.1.* in func4.*1\.2.* in func4.*1\.3.* in func4 .*" \
 237         "tracepoint with three locations"
 238
 239     gdb_test "continue" ".*Breakpoint.*marker.*at.*$srcfile.*" \
 240         "continue to marker 3"
 241
 242     # shlib is unloaded, there are still three locations, but one is pending.
 243     gdb_test "info trace" \
 244         "Num     Type\[ \]+Disp Enb Address\[ \]+What.*
 245 \[0-9\]+\[\t \]+\(|fast \)tracepoint\[ \]+keep y.*\<MULTIPLE\>.*1\.1.* in func4.*1\.2.* in func4.*1\.3.* \<PENDING\>\[\t \]+set_tracepoint.*" \
 246         "tracepoint with two locations (unload)"
 247
 248     gdb_test_no_output "tstop"
 249
 250     gdb_test "tfind" "Found trace frame 0, tracepoint 1.*" "tfind frame 0"
 251     gdb_test "tfind" "Found trace frame 1, tracepoint 1.*" "tfind frame 1"
 252     gdb_test "tfind" "Found trace frame 2, tracepoint 1.*" "tfind frame 2"
 253     gdb_test "tfind" "Target failed to find requested trace frame\\..*"
 254
 255     set pf_prefix $old_pf_prefix
 256 }
 257
 258 tracepoint_change_loc_1 "trace"
 259 tracepoint_change_loc_2 "trace"
 260
 261 # Re-compile test case with IPA.
 262 set libipa $objdir/../gdbserver/libinproctrace.so
 263 gdb_load_shlibs $libipa
 264
 265 if { [gdb_compile "$srcdir/$subdir/$srcfile" $binfile executable \
 266           [list debug nowarnings shlib=$libipa shlib=$lib_sl1 shlib_load] ] != "" } {
 267     untested change-loc.exp
 268     return -1
 269 }
 270
 271 tracepoint_change_loc_1 "ftrace"
 272 tracepoint_change_loc_2 "ftrace"