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.*$srcfile.*" \
  99         "continue to marker 1"
 100     # Set a tracepoint during tracing.
 101     set test "set tracepoint on set_tracepoint"
 102     gdb_test_multiple "${trace_type} set_tracepoint" $test {
 103         -re "Target returns error code .* too far .*$gdb_prompt $" {
 104             if [string equal $trace_type "ftrace"] {
 105                 # The target was unable to install the fast tracepoint
 106                 # (e.g., jump pad too far from tracepoint).
 107                 pass "$test (too far)"
 108             } else {
 109                 fail $test
 110             }
 111         }
 112         -re "\r\n$gdb_prompt $" {
 113             pass $test
 114         }
 115     }
 116
 117     gdb_trace_setactions "set action for tracepoint" "" \
 118         "collect \$$pcreg" "^$"
 119
 120     # tracepoint has two locations after shlib change-loc-1 is loaded.
 121     gdb_test "info trace" \
 122         "Num     Type\[ \]+Disp Enb Address\[ \]+What.*
 123 \[0-9\]+\[\t \]+\(|fast \)tracepoint\[ \]+keep y.*\<MULTIPLE\>.*4\.1.* in func4.*4\.2.* in func4.*" \
 124         "tracepoint with two locations"
 125
 126     set test "continue to marker 2"
 127     gdb_test_multiple "continue" $test {
 128         -re "Target returns error code .* too far .*$gdb_prompt $" {
 129             if [string equal $trace_type "ftrace"] {
 130                 # Expected if the target was unable to install the
 131                 # fast tracepoint (e.g., jump pad too far from
 132                 # tracepoint).
 133                 pass "$test (too far)"
 134                 # Skip the rest of the tests.
 135                 return
 136             } else {
 137                 fail "continue to marker 2"
 138                 fail $test
 139             }
 140
 141        }
 142        -re ".*Breakpoint.*marker.*at.*$srcfile.*$gdb_prompt $" {
 143            pass "continue to marker 2"
 144        }
 145     }
 146
 147     # tracepoint has three locations after shlib change-loc-2 is loaded.
 148     gdb_test "info trace" \
 149         "Num     Type\[ \]+Disp Enb Address\[ \]+What.*
 150 \[0-9\]+\[\t \]+\(|fast \)tracepoint\[ \]+keep y.*\<MULTIPLE\>.*4\.1.* in func4.*4\.2.* in func4.*4\.3.* in func4 .*" \
 151         "tracepoint with three locations"
 152
 153     gdb_test "continue" ".*Breakpoint.*marker.*at.*$srcfile.*" \
 154         "continue to marker 3"
 155
 156     # shlib is unloaded, there are still three locations, but one is pending.
 157     gdb_test "info trace" \
 158         "Num     Type\[ \]+Disp Enb Address\[ \]+What.*
 159 \[0-9\]+\[\t \]+\(|fast \)tracepoint\[ \]+keep y.*\<MULTIPLE\>.*4\.1.* in func4.*4\.2.* in func4.*4\.3.* \<PENDING\>\[\t \]+set_tracepoint.*" \
 160         "tracepoint with two locations (unload)"
 161
 162     gdb_test_no_output "tstop"
 163
 164     gdb_test "tfind" "Found trace frame 0, tracepoint 4.*" "tfind frame 0"
 165     gdb_test "tfind" "Target failed to find requested trace frame\\..*"
 166 }}
 167
 168 # Set pending tracepoint.
 169
 170 proc tracepoint_change_loc_2 { trace_type } { with_test_prefix "2 $trace_type" {
 171     global srcdir
 172     global srcfile
 173     global subdir
 174     global pcreg
 175     global binfile
 176     global gdb_prompt
 177
 178     gdb_exit
 179     gdb_start
 180     gdb_reinitialize_dir $srcdir/$subdir
 181
 182     gdb_test_multiple "${trace_type} set_tracepoint" "set pending tracepoint" {
 183         -re ".*Make \(|fast \)tracepoint pending.*y or \\\[n\\\]. $" {
 184             gdb_test "y" "\(Fast t|T\)racepoint.*set_tracepoint.*pending." "set pending tracepoint"
 185         }
 186     }
 187
 188     gdb_trace_setactions "set action for tracepoint" "" \
 189         "collect \$$pcreg" "^$"
 190
 191     # tracepoint has no location information now.
 192     gdb_test "info trace" \
 193         "Num     Type\[ \]+Disp Enb Address\[ \]+What.*
 194 \[0-9\]+\[\t \]+\(|fast \)tracepoint\[ \]+keep y.*PENDING.*set_tracepoint.*" \
 195         "single pending tracepoint info (without symbols)"
 196
 197     gdb_load ${binfile}
 198     # tracepoint has one location after executable is loaded.
 199     gdb_test "info trace" \
 200         "Num     Type\[ \]+Disp Enb Address\[ \]+What.*
 201 \[0-9\]+\[\t \]+\(|fast \)tracepoint\[ \]+keep y.*func4.*" \
 202         "tracepoint with one location"
 203
 204     set main_bp 0
 205     gdb_test_multiple "break main" "set breakpoint on main" {
 206         -re "Breakpoint (\[0-9\]*) at .*, line.*$gdb_prompt $" {
 207             set main_bp $expect_out(1,string)
 208         }
 209     }
 210     gdb_run_cmd
 211
 212     gdb_test "" \
 213         ".*Breakpoint.*main.*at.*$srcfile.*" \
 214         "run to main"
 215     gdb_test_no_output "delete break $main_bp"
 216
 217     # tracepoint has two locations after shlib change-loc-1 is loaded.
 218     gdb_test "info trace" \
 219         "Num     Type\[ \]+Disp Enb Address\[ \]+What.*
 220 \[0-9\]+\[\t \]+\(|fast \)tracepoint\[ \]+keep y.*\<MULTIPLE\>.*1\.1.* in func4.*1\.2.* in func4.*" \
 221         "tracepoint with two locations"
 222
 223     gdb_test "break marker" "Breakpoint.*at.* file .*$srcfile, line.*" \
 224         "breakpoint on marker"
 225
 226     # tracepoint with two locations will be downloaded and installed.
 227     set test "tstart"
 228     gdb_test_multiple "tstart" $test {
 229         -re "^tstart\r\n$gdb_prompt $" {
 230             pass "tstart"
 231         }
 232         -re "Target returns error code .* too far .*$gdb_prompt $" {
 233             if [string equal $trace_type "ftrace"] {
 234                 # The target was unable to install the fast tracepoint
 235                 # (e.g., jump pad too far from tracepoint).
 236                 pass "$test (too far)"
 237                 # Skip the rest of the tests.
 238                 return
 239             } else {
 240                 fail $test
 241             }
 242         }
 243     }
 244
 245     gdb_test "continue" ".*Breakpoint.*marker.*at.*$srcfile.*" \
 246         "continue to marker 1"
 247
 248     gdb_test "continue" ".*Breakpoint.*marker.*at.*$srcfile.*" \
 249         "continue to marker 2"
 250
 251     # tracepoint has three locations after shlib change-loc-2 is loaded.
 252     gdb_test "info trace" \
 253         "Num     Type\[ \]+Disp Enb Address\[ \]+What.*
 254 \[0-9\]+\[\t \]+\(|fast \)tracepoint\[ \]+keep y.*\<MULTIPLE\>.*1\.1.* in func4.*1\.2.* in func4.*1\.3.* in func4 .*" \
 255         "tracepoint with three locations"
 256
 257     gdb_test "continue" ".*Breakpoint.*marker.*at.*$srcfile.*" \
 258         "continue to marker 3"
 259
 260     # shlib is unloaded, there are still three locations, but one is pending.
 261     gdb_test "info trace" \
 262         "Num     Type\[ \]+Disp Enb Address\[ \]+What.*
 263 \[0-9\]+\[\t \]+\(|fast \)tracepoint\[ \]+keep y.*\<MULTIPLE\>.*1\.1.* in func4.*1\.2.* in func4.*1\.3.* \<PENDING\>\[\t \]+set_tracepoint.*" \
 264         "tracepoint with two locations (unload)"
 265
 266     gdb_test_no_output "tstop"
 267
 268     gdb_test "tfind" "Found trace frame 0, tracepoint 1.*" "tfind frame 0"
 269     gdb_test "tfind" "Found trace frame 1, tracepoint 1.*" "tfind frame 1"
 270     gdb_test "tfind" "Found trace frame 2, tracepoint 1.*" "tfind frame 2"
 271     gdb_test "tfind" "Target failed to find requested trace frame\\..*"
 272 }}
 273
 274 tracepoint_change_loc_1 "trace"
 275 tracepoint_change_loc_2 "trace"
 276
 277 # Re-compile test case with IPA.
 278 set libipa $objdir/../gdbserver/libinproctrace.so
 279 gdb_load_shlibs $libipa
 280
 281 if { [gdb_compile "$srcdir/$subdir/$srcfile" $binfile executable \
 282           [list debug nowarnings shlib=$libipa shlib=$lib_sl1 shlib_load] ] != "" } {
 283     untested change-loc.exp
 284     return -1
 285 }
 286
 287 tracepoint_change_loc_1 "ftrace"
 288 tracepoint_change_loc_2 "ftrace"