gdb/testsuite/gdb.trace/passc-dyn.exp

   1 #   Copyright 1998, 2005, 2007-2012 Free Software Foundation, Inc.
   2 #
   3 # This program is free software; you can redistribute it and/or modify
   4 # it under the terms of the GNU General Public License as published by
   5 # the Free Software Foundation; either version 3 of the License, or
   6 # (at your option) any later version.
   7 #
   8 # This program is distributed in the hope that it will be useful,
   9 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  10 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  11 # GNU General Public License for more details.
  12 #
  13 # You should have received a copy of the GNU General Public License
  14 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
  15
  16 # This file was written by Michael Snyder (msnyder@cygnus.com)
  17
  18 load_lib "trace-support.exp";
  19
  20 if $tracelevel then {
  21     strace $tracelevel
  22 }
  23
  24
  25 gdb_exit
  26 gdb_start
  27 set testfile "actions"
  28 set srcfile ${testfile}.c
  29 set binfile $objdir/$subdir/passc-dyn
  30 if { [gdb_compile "$srcdir/$subdir/$srcfile" $binfile \
  31           executable {debug nowarnings}] != "" } {
  32     untested passc-dyn.exp
  33     return -1
  34 }
  35 gdb_load $binfile
  36 gdb_test "tstop"       ".*" ""
  37 gdb_test "tfind none"  ".*" ""
  38 runto_main
  39 gdb_reinitialize_dir $srcdir/$subdir
  40
  41 # We generously give ourselves one "pass" if we successfully
  42 # detect that this test cannot be run on this target!
  43 if { ![gdb_target_supports_trace] } then {
  44     pass "Current target does not support trace"
  45     return 1;
  46
  47 }
  48
  49 # If testing on a remote host, download the source file.
  50 # remote_download host $srcdir/$subdir/$srcfile
  51
  52
  53 #
  54 # test passcount dynamically (live target)
  55 #
  56
  57 set baseline [gdb_find_recursion_test_baseline $srcfile];
  58
  59 if { $baseline == -1 } then {
  60     fail "Could not find gdb_recursion_test function"
  61     return;
  62 }
  63
  64 # define relative source line numbers:
  65 # all subsequent line numbers are relative to this first one (baseline)
  66
  67 set testline2  [expr $baseline +  4]
  68 set testline3  [expr $baseline +  5]
  69 set testline4  [expr $baseline +  6]
  70
  71 #
  72 # test passcount command semantics (live test)
  73 #
  74
  75 ## Set three tracepoints with three different passcounts.
  76 ## Verify that the experiment stops after the one with the
  77 ## lowest passcount is hit.
  78
  79 gdb_delete_tracepoints
  80 set tdp2 [gdb_gettpnum "$testline2"]
  81 set tdp3 [gdb_gettpnum "$testline3"]
  82 set tdp4 [gdb_gettpnum "$testline4"]
  83 if { $tdp2 <= 0 || $tdp3 <= 0 || $tdp4 <= 0 } then {
  84     fail "setting tracepoints"
  85     return;
  86 }
  87
  88 gdb_test "passcount 4 $tdp2" "Setting tracepoint $tdp2's passcount to 4" \
  89         "4.5: set passcount for tracepoint $tdp2"
  90 gdb_test "passcount 2 $tdp3" "Setting tracepoint $tdp3's passcount to 2" \
  91         "4.5: set passcount for tracepoint $tdp3"
  92 gdb_test "passcount 3 $tdp4" "Setting tracepoint $tdp4's passcount to 3" \
  93         "4.5: set passcount for tracepoint $tdp4"
  94
  95 gdb_test "tstart" ".*" ""
  96
  97 gdb_test "break end" ".*" ""
  98 gdb_test "continue" \
  99     "Continuing.*Breakpoint $decimal, end.*" \
 100     "run trace experiment"
 101 gdb_test "tstop" ".*" ""
 102
 103 gdb_test "tfind none" ".*" ""
 104 if [gdb_test "printf \"x \%d x\\n\", \$trace_frame" "x -1 x" ""] {
 105     untested passc-dyn.exp
 106     return -1
 107 }
 108
 109 gdb_test "tfind tracepoint $tdp2" ".*" ""
 110 if [gdb_test "printf \"x \%d x\\n\", \$trace_frame" "x 0 x" ""] {
 111     untested passc-dyn.exp
 112     return -1
 113 }
 114
 115 gdb_test "tfind tracepoint $tdp3" ".*" ""
 116 if [gdb_test "printf \"x \%d x\\n\", \$trace_frame" "x 1 x" ""] {
 117     untested passc-dyn.exp
 118     return -1
 119 }
 120
 121 gdb_test "tfind tracepoint $tdp4" ".*" ""
 122 if [gdb_test "printf \"x \%d x\\n\", \$trace_frame" "x 2 x" ""] {
 123     untested passc-dyn.exp
 124     return -1
 125 }
 126
 127 gdb_test "tfind tracepoint $tdp2" ".*" ""
 128 if [gdb_test "printf \"x \%d x\\n\", \$trace_frame" "x 3 x" ""] {
 129     untested passc-dyn.exp
 130     return -1
 131 }
 132
 133 gdb_test "tfind tracepoint $tdp3" ".*" ""
 134 if [gdb_test "printf \"x \%d x\\n\", \$trace_frame" "x 4 x" ""] {
 135     untested passc-dyn.exp
 136     return -1
 137 }
 138
 139 ## We should now be at the last frame, because this frame's passcount
 140 ## should have caused collection to stop.  If we do a tfind now,
 141 ## it should fail.
 142
 143 gdb_test "tfind" "failed to find.*" "4.5: dynamic passcount test"
 144
 145 # Finished!
 146 gdb_test "tfind none" ".*" ""
 147