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

   1 # Copyright 2011-2013 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 standard_testfile
  22 set libfile1 "change-loc-1"
  23 set libfile2 "change-loc-2"
  24 set executable $testfile
  25 set libsrc1 $srcdir/$subdir/$libfile1.c
  26 set libsrc2 $srcdir/$subdir/$libfile2.c
  27 set lib_sl1 [standard_output_file $libfile1.sl]
  28 set lib_sl2 [standard_output_file $libfile2.sl]
  29
  30 set lib_opts debug
  31
  32 if [get_compiler_info] {
  33     return -1
  34 }
  35
  36 # Some targets have leading underscores on assembly symbols.
  37 set additional_flags [list debug shlib=$lib_sl1 shlib_load [gdb_target_symbol_prefix_flags]]
  38
  39 if { [gdb_compile_shlib $libsrc1 $lib_sl1 $lib_opts] != ""
  40      || [gdb_compile_shlib $libsrc2 $lib_sl2 $lib_opts] != ""
  41      || [gdb_compile $srcdir/$subdir/$srcfile $binfile executable $additional_flags] != ""} {
  42     untested "Could not compile either $libsrc1 or $srcdir/$subdir/$srcfile."
  43     return -1
  44 }
  45
  46 clean_restart $executable
  47
  48 gdb_load_shlibs $lib_sl1
  49 gdb_load_shlibs $lib_sl2
  50
  51 if ![runto_main] {
  52     fail "Can't run to main to check for trace support"
  53     return -1
  54 }
  55
  56 if { ![gdb_target_supports_trace] } then {
  57     unsupported "Current target does not support trace"
  58     return -1;
  59 }
  60
  61 if [is_amd64_regs_target] {
  62     set pcreg "rip"
  63 } elseif [is_x86_like_target] {
  64     set pcreg "eip"
  65 } else {
  66     set pcreg "pc"
  67 }
  68
  69
  70 # Set tracepoint during tracing experiment.
  71
  72 proc tracepoint_change_loc_1 { trace_type } { with_test_prefix "1 $trace_type" {
  73     global testfile
  74     global srcfile
  75     global pcreg
  76     global gdb_prompt
  77
  78     clean_restart ${testfile}
  79     if ![runto_main] {
  80         fail "Can't run to main"
  81         return -1
  82     }
  83     gdb_test_no_output "delete break 1"
  84
  85     # Set a tracepoint we'll never meet.  Just to avoid the complain after
  86     # type `tstart' later.
  87     gdb_test "next" ".*"
  88     gdb_test "trace main" "Tracepoint \[0-9\] at.* file .*$srcfile, line.*" \
  89         "set tracepoint on main"
  90
  91     gdb_test "break marker" "Breakpoint.*at.* file .*$srcfile, line.*" \
  92         "breakpoint on marker"
  93
  94     gdb_test_no_output "tstart"
  95
  96     gdb_test "continue" ".*Breakpoint.*marker.*at.*$srcfile.*" \
  97         "continue to marker 1"
  98     # Set a tracepoint during tracing.
  99     set test "set tracepoint on set_tracepoint"
 100     gdb_test_multiple "${trace_type} set_tracepoint" $test {
 101         -re "Target returns error code .* too far .*$gdb_prompt $" {
 102             if [string equal $trace_type "ftrace"] {
 103                 # The target was unable to install the fast tracepoint
 104                 # (e.g., jump pad too far from tracepoint).
 105                 pass "$test (too far)"
 106             } else {
 107                 fail $test
 108             }
 109         }
 110         -re "\r\n$gdb_prompt $" {
 111             pass $test
 112         }
 113     }
 114
 115     gdb_trace_setactions "set action for tracepoint" "" \
 116         "collect \$$pcreg" "^$"
 117
 118     # tracepoint has two locations after shlib change-loc-1 is loaded.
 119     gdb_test "info trace" \
 120         "Num     Type\[ \]+Disp Enb Address\[ \]+What.*
 121 \[0-9\]+\[\t \]+\(|fast \)tracepoint\[ \]+keep y.*\<MULTIPLE\>.*4\.1.* in func4.*4\.2.* in func4.*" \
 122         "tracepoint with two locations"
 123
 124     set test "continue to marker 2"
 125     gdb_test_multiple "continue" $test {
 126         -re "Target returns error code .* too far .*$gdb_prompt $" {
 127             if [string equal $trace_type "ftrace"] {
 128                 # Expected if the target was unable to install the
 129                 # fast tracepoint (e.g., jump pad too far from
 130                 # tracepoint).
 131                 pass "$test (too far)"
 132                 # Skip the rest of the tests.
 133                 return
 134             } else {
 135                 fail "continue to marker 2"
 136                 fail $test
 137             }
 138
 139        }
 140        -re ".*Breakpoint.*marker.*at.*$srcfile.*$gdb_prompt $" {
 141            pass "continue to marker 2"
 142        }
 143     }
 144
 145     # tracepoint has three locations after shlib change-loc-2 is loaded.
 146     gdb_test "info trace" \
 147         "Num     Type\[ \]+Disp Enb Address\[ \]+What.*
 148 \[0-9\]+\[\t \]+\(|fast \)tracepoint\[ \]+keep y.*\<MULTIPLE\>.*4\.1.* in func4.*4\.2.* in func4.*4\.3.* in func4 .*" \
 149         "tracepoint with three locations"
 150
 151     gdb_test "continue" ".*Breakpoint.*marker.*at.*$srcfile.*" \
 152         "continue to marker 3"
 153
 154     # shlib is unloaded, there are still three locations, but one is pending.
 155     gdb_test "info trace" \
 156         "Num     Type\[ \]+Disp Enb Address\[ \]+What.*
 157 \[0-9\]+\[\t \]+\(|fast \)tracepoint\[ \]+keep y.*\<MULTIPLE\>.*
 158 4\.1.* in func4.*\tinstalled on target\r\n(4\.2.* in func4.*\tinstalled on target\r\n4\.3.* \<PENDING\>\[\t \]+set_tracepoint|4\.2.* \<PENDING\>\[\t \]+set_tracepoint.*4\.3.* in func4.*\tinstalled on target).*" \
 159         "tracepoint with two locations (unload)"
 160
 161     gdb_test_no_output "tstop"
 162
 163     gdb_test "tfind" "Found trace frame 0, tracepoint 4.*" "tfind frame 0"
 164     gdb_test "tfind" "Target failed to find requested trace frame\\..*"
 165 }}
 166
 167 # Set pending tracepoint.
 168
 169 proc tracepoint_change_loc_2 { trace_type } { with_test_prefix "2 $trace_type" {
 170     global srcdir
 171     global srcfile
 172     global subdir
 173     global pcreg
 174     global binfile
 175     global gdb_prompt
 176
 177     gdb_exit
 178     gdb_start
 179     gdb_reinitialize_dir $srcdir/$subdir
 180
 181     gdb_test_multiple "${trace_type} set_tracepoint" "set pending tracepoint" {
 182         -re ".*Make \(|fast \)tracepoint pending.*y or \\\[n\\\]. $" {
 183             gdb_test "y" "\(Fast t|T\)racepoint.*set_tracepoint.*pending." "set pending tracepoint"
 184         }
 185     }
 186
 187     gdb_trace_setactions "set action for tracepoint" "" \
 188         "collect \$$pcreg" "^$"
 189
 190     # tracepoint has no location information now.  Make sure nothing
 191     # else is displayed.
 192     gdb_test "info trace" \
 193         "Num     Type\[ \]+Disp Enb Address\[ \]+What.*
 194 \[0-9\]+\[\t \]+\(|fast \)tracepoint\[ \]+keep y.*PENDING.*set_tracepoint\r\n\[\t \]+collect \\$$pcreg\r" \
 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\>.*
 264 1\.1.* in func4.*\tinstalled on target\r\n(1\.2.* in func4.*\tinstalled on target\r\n1\.3.* \<PENDING\>\[\t \]+set_tracepoint|1\.2.* \<PENDING\>\[\t \]+set_tracepoint\r\n1\.3.* in func4.*\tinstalled on target).*" \
 265         "tracepoint with two locations (unload)"
 266
 267     gdb_test_no_output "tstop"
 268
 269     gdb_test "tfind" "Found trace frame 0, tracepoint 1.*" "tfind frame 0"
 270     gdb_test "tfind" "Found trace frame 1, tracepoint 1.*" "tfind frame 1"
 271     gdb_test "tfind" "Found trace frame 2, tracepoint 1.*" "tfind frame 2"
 272     gdb_test "tfind" "Target failed to find requested trace frame\\..*"
 273 }}
 274
 275 tracepoint_change_loc_1 "trace"
 276 tracepoint_change_loc_2 "trace"
 277
 278 # Re-compile test case with IPA.
 279 set libipa [get_in_proc_agent]
 280 gdb_load_shlibs $libipa
 281
 282 if { [gdb_compile "$srcdir/$subdir/$srcfile" $binfile executable \
 283           [list debug nowarnings shlib=$libipa shlib=$lib_sl1 shlib_load] ] != "" } {
 284     untested change-loc.exp
 285     return -1
 286 }
 287
 288 tracepoint_change_loc_1 "ftrace"
 289 tracepoint_change_loc_2 "ftrace"