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

   1 #   Copyright 1998-2023 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 runto_main
  35 gdb_reinitialize_dir $srcdir/$subdir
  36
  37 if {![gdb_target_supports_trace]} {
  38     unsupported "current target does not support trace"
  39     return 1
  40
  41 }
  42
  43 # If testing on a remote host, download the source file.
  44 # remote_download host $srcdir/$subdir/$srcfile
  45
  46
  47 #
  48 # test passcount dynamically (live target)
  49 #
  50
  51 set baseline [gdb_find_recursion_test_baseline $srcfile]
  52
  53 if {$baseline == -1} {
  54     fail "could not find gdb_recursion_test function"
  55     return
  56 }
  57
  58 # define relative source line numbers:
  59 # all subsequent line numbers are relative to this first one (baseline)
  60
  61 set testline2  [expr $baseline +  4]
  62 set testline3  [expr $baseline +  5]
  63 set testline4  [expr $baseline +  6]
  64
  65 #
  66 # test passcount command semantics (live test)
  67 #
  68
  69 ## Set three tracepoints with three different passcounts.
  70 ## Verify that the experiment stops after the one with the
  71 ## lowest passcount is hit.
  72
  73 gdb_delete_tracepoints
  74 set tdp2 [gdb_gettpnum "$testline2"]
  75 set tdp3 [gdb_gettpnum "$testline3"]
  76 set tdp4 [gdb_gettpnum "$testline4"]
  77 if {$tdp2 <= 0 || $tdp3 <= 0 || $tdp4 <= 0} {
  78     fail "setting tracepoints"
  79     return
  80 }
  81
  82 gdb_test "passcount 4 $tdp2" "Setting tracepoint $tdp2's passcount to 4" \
  83         "4.5: set passcount for tracepoint $tdp2"
  84 gdb_test "passcount 2 $tdp3" "Setting tracepoint $tdp3's passcount to 2" \
  85         "4.5: set passcount for tracepoint $tdp3"
  86 gdb_test "passcount 3 $tdp4" "Setting tracepoint $tdp4's passcount to 3" \
  87         "4.5: set passcount for tracepoint $tdp4"
  88
  89 gdb_test "tstart" ".*" ""
  90
  91 gdb_breakpoint "end" qualified
  92 gdb_test "continue" \
  93     "Continuing.*Breakpoint $decimal, end.*" \
  94     "run trace experiment"
  95 gdb_test "tstop" ".*" ""
  96
  97 with_test_prefix "trace_frame -1" {
  98     gdb_test "tfind none" ".*"
  99     gdb_test "printf \"x \%d x\\n\", \$trace_frame" "x -1 x" \
 100         "print \$trace_frame"
 101 }
 102
 103 with_test_prefix "trace_frame 0" {
 104     gdb_test "tfind tracepoint $tdp2" ".*"
 105     gdb_test "printf \"x \%d x\\n\", \$trace_frame" "x 0 x" \
 106         "print \$trace_frame"
 107 }
 108
 109 with_test_prefix "trace_frame 1" {
 110     gdb_test "tfind tracepoint $tdp3" ".*"
 111     gdb_test "printf \"x \%d x\\n\", \$trace_frame" "x 1 x" \
 112         "print \$trace_frame"
 113 }
 114
 115 with_test_prefix "trace_frame 2" {
 116     gdb_test "tfind tracepoint $tdp4" ".*"
 117     gdb_test "printf \"x \%d x\\n\", \$trace_frame" "x 2 x" \
 118         "print \$trace_frame"
 119 }
 120
 121 with_test_prefix "trace_frame 3" {
 122     gdb_test "tfind tracepoint $tdp2" ".*"
 123     gdb_test "printf \"x \%d x\\n\", \$trace_frame" "x 3 x" \
 124         "print \$trace_frame"
 125 }
 126
 127 with_test_prefix "trace_frame 4" {
 128     gdb_test "tfind tracepoint $tdp3" ".*"
 129     gdb_test "printf \"x \%d x\\n\", \$trace_frame" "x 4 x" \
 130         "print \$trace_frame"
 131 }
 132
 133 ## We should now be at the last frame, because this frame's passcount
 134 ## should have caused collection to stop.  If we do a tfind now,
 135 ## it should fail.
 136
 137 gdb_test "tfind" "failed to find.*" "4.5: dynamic passcount test"
 138
 139 # Finished!
 140 gdb_test "tfind none" ".*"
 141