gdb/testsuite/gdb.trace/tfile.exp

   1 #   Copyright 2010-2013 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 # Test of trace file support.
  17
  18 # Note that unlike most of the tracing tests, this can be run on
  19 # targets lacking tracepoint support; the program tfile.c has the
  20 # ability to generate synthetic trace files directly, and the tfile
  21 # target is available to all GDB configs.
  22
  23 load_lib "trace-support.exp"
  24
  25 if {![is_remote host] && ![is_remote target]} {
  26     set tfile_basic [standard_output_file tfile-basic.tf]
  27     set tfile_error [standard_output_file tfile-error.tf]
  28     set tfile_dir [file dirname $tfile_basic]/
  29     set purely_local 1
  30 } else {
  31     set tfile_basic tfile-basic.tf
  32     set tfile_error tfile-error.tf
  33     set tfile_dir ""
  34     set purely_local 0
  35 }
  36
  37 gdb_exit
  38 gdb_start
  39 standard_testfile
  40 if { [gdb_compile "$srcdir/$subdir/$srcfile" $binfile \
  41           executable \
  42           [list debug nowarnings \
  43                "additional_flags=-DTFILE_DIR=\"$tfile_dir\""]] \
  44          != "" } {
  45     untested ${testfile}.exp
  46     return -1
  47 }
  48 gdb_reinitialize_dir $srcdir/$subdir
  49
  50 # Make sure we are starting fresh.
  51 remote_file host delete $tfile_basic
  52 remote_file host delete $tfile_error
  53 remote_file target delete $tfile_basic
  54 remote_file target delete $tfile_error
  55
  56 remote_exec target "$binfile"
  57 if {!$purely_local} {
  58     # Copy tracefile from target to host through build.
  59     remote_download host [remote_upload target tfile-basic.tf] tfile-basic.tf
  60     remote_download host [remote_upload target tfile-error.tf] tfile-error.tf
  61 }
  62
  63 gdb_load $binfile
  64
  65 # Program has presumably exited, now target a trace file it created.
  66
  67 gdb_test "target tfile $tfile_basic" "Created tracepoint.*" \
  68     "target tfile [file tail $tfile_basic]"
  69
  70 gdb_test "info trace" ".*tracepoint.*in write_basic_trace_file.*" \
  71     "info tracepoints on trace file"
  72
  73 gdb_test "tfind 0" \
  74     "Found trace frame 0, tracepoint \[0-9\]+.
  75 \#0  write_basic_trace_file ().*" \
  76     "tfind 0 on trace file"
  77
  78 # Note that there is no tracepoint collecting these globals, we
  79 # just happen to know they are covered by the trace frame.
  80
  81 gdb_test "print testglob" " = 31415" "print testglob on trace file"
  82
  83 gdb_test "print testglob2" " = 271828" "print testglob2 on trace file"
  84
  85 # This global is not covered by the trace frame, but since it's const,
  86 # we should be able to read it from the executable.
  87
  88 gdb_test "print constglob" " = 10000" "print constglob on trace file"
  89
  90 # Similarly, disassembly should find the read-only pieces in the executable.
  91 gdb_test "disassemble main" \
  92     "Dump of assembler code for function main:.*   $hex <\\+0\\>:.*End of assembler dump\."
  93
  94 # This global is also not covered by the trace frame, and since it's
  95 # non-const, we should _not_ read it from the executable, as that
  96 # would show the variable's initial value, not the current at time the
  97 # trace frame was created.
  98
  99 gdb_test "print nonconstglob" \
 100     " = <unavailable>" "print nonconstglob on trace file"
 101
 102 gdb_test "tfind" "Target failed to find requested trace frame." \
 103     "tfind does not find a second frame in trace file"
 104
 105 gdb_test "tstatus" \
 106     "Using a trace file.*
 107 Trace stopped by a tstop command.*
 108 Collected 1 trace frame.*
 109 Trace buffer has 256 bytes of 4096 bytes free \\(93% full\\).*
 110 Looking at trace frame 0, tracepoint .*" \
 111     "tstatus on trace file"
 112
 113 gdb_test "tfind end" "No longer looking at any trace frame" "leave tfind mode"
 114
 115 gdb_test "backtrace" "No stack\." \
 116     "no stack if no traceframe selected"
 117
 118 gdb_test "info registers" "The program has no registers now\." \
 119     "no registers if no traceframe selected"
 120
 121 # Now start afresh, using only a trace file.
 122
 123 gdb_exit
 124 gdb_start
 125
 126 gdb_load $binfile
 127
 128 gdb_test "target tfile $tfile_error" "Created tracepoint.*" \
 129     "target tfile [file tail $tfile_error]"
 130
 131 gdb_test "tstatus" \
 132     "Using a trace file.*
 133 Trace stopped by an error \\(made-up error, tracepoint 1\\).*
 134 Collected 0 trace frame.*
 135 Trace buffer has 256 bytes of 4096 bytes free \\(93% full\\).*
 136 Not looking at any trace frame.*" \
 137     "tstatus on error trace file"
 138
 139 gdb_test "info threads" "No threads\..*"
 140 gdb_test "info inferiors" "\\* 1    <null>\[ \t\]+${binfile}.*"
 141
 142 # Make sure we can reopen without error.
 143 gdb_test \
 144     "interpreter-exec mi \"-target-select tfile $tfile_basic\"" \
 145     "\\^connected.*" \
 146     "interpreter-exec mi \"-target-select tfile tfile-basic.tf\""
 147
 148 gdb_test "interpreter-exec mi \"-trace-status\"" \
 149     "\\^done,supported=\"file\",trace-file=\".*$tfile_basic\",running=\"0\",stop-reason=\"request\",frames=\"${decimal}\",frames-created=\"${decimal}\",buffer-size=\"${decimal}\",buffer-free=\"${decimal}\",disconnected=\".*\",circular=\".*\",user-name=\"\",notes=\"\",start-time=\".*\",stop-time=\".*\"" \
 150     "-trace-status"
 151
 152 # Test completion works well.
 153
 154 gdb_test "target tfile [file rootname $tfile_basic]\t" \
 155     "Assuming tracepoint.*" \
 156     "complete-command 'target tfile'"