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

   1 #   Copyright 1998-2020 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
  21 gdb_exit
  22 gdb_start
  23 standard_testfile actions.c
  24 if ![gdb_trace_common_supports_arch] {
  25     unsupported "no trace-common.h support for arch"
  26     return -1
  27 }
  28 if { [gdb_compile "$srcdir/$subdir/$srcfile" $binfile \
  29           executable {debug nowarnings}] != "" } {
  30     untested "failed to compile"
  31     return -1
  32 }
  33 gdb_load $binfile
  34 gdb_test "tstop"       ".*" ""
  35 gdb_test "tfind none"  ".*" ""
  36 runto_main
  37 gdb_reinitialize_dir $srcdir/$subdir
  38
  39 if { ![gdb_target_supports_trace] } then {
  40     unsupported "current target does not support trace"
  41     return 1
  42
  43 }
  44
  45 # If testing on a remote host, download the source file.
  46 # remote_download host $srcdir/$subdir/$srcfile
  47
  48
  49 #
  50 # test passcount dynamically (live target)
  51 #
  52
  53 set baseline [gdb_find_recursion_test_baseline $srcfile]
  54
  55 if { $baseline == -1 } then {
  56     fail "could not find gdb_recursion_test function"
  57     return
  58 }
  59
  60 # define relative source line numbers:
  61 # all subsequent line numbers are relative to this first one (baseline)
  62
  63 set testline2  [expr $baseline +  4]
  64 set testline3  [expr $baseline +  5]
  65 set testline4  [expr $baseline +  6]
  66
  67 #
  68 # test passcount command semantics (live test)
  69 #
  70
  71 ## Set three tracepoints with three different passcounts.
  72 ## Verify that the experiment stops after the one with the
  73 ## lowest passcount is hit.
  74
  75 gdb_delete_tracepoints
  76 set tdp2 [gdb_gettpnum "$testline2"]
  77 set tdp3 [gdb_gettpnum "$testline3"]
  78 set tdp4 [gdb_gettpnum "$testline4"]
  79 if { $tdp2 <= 0 || $tdp3 <= 0 || $tdp4 <= 0 } then {
  80     fail "setting tracepoints"
  81     return
  82 }
  83
  84 gdb_test "passcount 4 $tdp2" "Setting tracepoint $tdp2's passcount to 4" \
  85         "4.5: set passcount for tracepoint $tdp2"
  86 gdb_test "passcount 2 $tdp3" "Setting tracepoint $tdp3's passcount to 2" \
  87         "4.5: set passcount for tracepoint $tdp3"
  88 gdb_test "passcount 3 $tdp4" "Setting tracepoint $tdp4's passcount to 3" \
  89         "4.5: set passcount for tracepoint $tdp4"
  90
  91 gdb_test "tstart" ".*" ""
  92
  93 gdb_breakpoint "end" qualified
  94 gdb_test "continue" \
  95     "Continuing.*Breakpoint $decimal, end.*" \
  96     "run trace experiment"
  97 gdb_test "tstop" ".*" ""
  98
  99 gdb_test "tfind none" ".*" ""
 100 if [gdb_test "printf \"x \%d x\\n\", \$trace_frame" "x -1 x" ""] {
 101     untested "skipping further tests due to print failure"
 102     return -1
 103 }
 104
 105 gdb_test "tfind tracepoint $tdp2" ".*" ""
 106 if [gdb_test "printf \"x \%d x\\n\", \$trace_frame" "x 0 x" ""] {
 107     untested "skipping further tests due to print failure"
 108     return -1
 109 }
 110
 111 gdb_test "tfind tracepoint $tdp3" ".*" ""
 112 if [gdb_test "printf \"x \%d x\\n\", \$trace_frame" "x 1 x" ""] {
 113     untested "skipping further tests due to print failure"
 114     return -1
 115 }
 116
 117 gdb_test "tfind tracepoint $tdp4" ".*" ""
 118 if [gdb_test "printf \"x \%d x\\n\", \$trace_frame" "x 2 x" ""] {
 119     untested "skipping further tests due to print failure"
 120     return -1
 121 }
 122
 123 gdb_test "tfind tracepoint $tdp2" ".*" ""
 124 if [gdb_test "printf \"x \%d x\\n\", \$trace_frame" "x 3 x" ""] {
 125     untested "skipping further tests due to print failure"
 126     return -1
 127 }
 128
 129 gdb_test "tfind tracepoint $tdp3" ".*" ""
 130 if [gdb_test "printf \"x \%d x\\n\", \$trace_frame" "x 4 x" ""] {
 131     untested "skipping further tests due to print failure"
 132     return -1
 133 }
 134
 135 ## We should now be at the last frame, because this frame's passcount
 136 ## should have caused collection to stop.  If we do a tfind now,
 137 ## it should fail.
 138
 139 gdb_test "tfind" "failed to find.*" "4.5: dynamic passcount test"
 140
 141 # Finished!
 142 gdb_test "tfind none" ".*" ""
 143