gdb/testsuite/gdb.trace/tfile.exp

   1 #   Copyright 2010, 2011 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 [target_info exists gdb,nofileio] {
  26     verbose "Skipping tfile.exp because of no fileio capabilities."
  27     continue
  28 }
  29
  30 if $tracelevel then {
  31     strace $tracelevel
  32 }
  33
  34
  35 gdb_exit
  36 gdb_start
  37 set testfile "tfile"
  38 set srcfile ${testfile}.c
  39 set binfile $objdir/$subdir/$testfile
  40 if { [gdb_compile "$srcdir/$subdir/$srcfile" $binfile \
  41           executable {debug nowarnings}] != "" } {
  42     untested file.exp
  43     return -1
  44 }
  45 gdb_reinitialize_dir $srcdir/$subdir
  46
  47 # Make sure we are starting fresh.
  48 remote_file host delete basic.tf
  49 remote_file host delete error.tf
  50
  51 gdb_load $binfile
  52
  53 runto_main
  54
  55 gdb_test "break done_making_trace_files" ".*" ""
  56
  57 gdb_test "continue" ".*" ""
  58
  59 # tsave command would be tested here...
  60
  61 gdb_test "continue" ".*" ""
  62
  63 # Program has presumably exited, now target a trace file it created.
  64
  65 gdb_test "target tfile basic.tf" "Created tracepoint.*" "target tfile"
  66
  67 gdb_test "info trace" ".*tracepoint.*in write_basic_trace_file.*" \
  68     "info tracepoints on trace file"
  69
  70 gdb_test "tfind 0" \
  71     "Found trace frame 0, tracepoint \[0-9\]+.
  72 \#0  write_basic_trace_file ().*" \
  73     "tfind 0 on trace file"
  74
  75 # Note that there is no tracepoint collecting these globals, we
  76 # just happen to know they are covered by the trace frame.
  77
  78 gdb_test "print testglob" " = 31415" "print testglob on trace file"
  79
  80 gdb_test "print testglob2" " = 271828" "print testglob2 on trace file"
  81
  82 gdb_test "print constglob" " = 10000" "print constglob on trace file"
  83
  84 gdb_test "tfind" "Target failed to find requested trace frame." \
  85     "tfind does not find a second frame in trace file"
  86
  87 gdb_test "tstatus" \
  88     "Using a trace file.*
  89 Trace stopped by a tstop command.*
  90 Collected 1 trace frame.*
  91 Trace buffer has 256 bytes of 4096 bytes free \\(93% full\\).*
  92 Looking at trace frame 0, tracepoint .*" \
  93     "tstatus on trace file"
  94
  95 gdb_test "tfind end" "No longer looking at any trace frame" "leave tfind mode"
  96
  97 gdb_test "backtrace" "No stack\." \
  98     "no stack if no traceframe selected"
  99
 100 gdb_test "info registers" "The program has no registers now\." \
 101     "no registers if no traceframe selected"
 102
 103 # Now start afresh, using only a trace file.
 104
 105 gdb_exit
 106 gdb_start
 107
 108 gdb_load $binfile
 109
 110 gdb_test "target tfile error.tf" "Created tracepoint.*" "target tfile"
 111
 112 gdb_test "tstatus" \
 113     "Using a trace file.*
 114 Trace stopped by an error \\(made-up error, tracepoint 1\\).*
 115 Collected 0 trace frame.*
 116 Trace buffer has 256 bytes of 4096 bytes free \\(93% full\\).*
 117 Not looking at any trace frame.*" \
 118     "tstatus on error trace file"