gdb/testsuite/gdb.trace/save-trace.exp

   1 #   Copyright 1998-2016 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
  24 standard_testfile actions.c
  25 if { [gdb_compile "$srcdir/$subdir/$srcfile" $binfile \
  26           executable {debug nowarnings}] != "" } {
  27     untested save-trace.exp
  28     return -1
  29 }
  30 gdb_reinitialize_dir $srcdir/$subdir
  31
  32 # If testing on a remote host, download the source file.
  33 # remote_download host $srcdir/$subdir/$srcfile
  34
  35 gdb_file_cmd $binfile
  36
  37 # define relative source line numbers:
  38 # all subsequent line numbers are relative to this first one (baseline)
  39 set baseline  [gdb_find_recursion_test_baseline $srcfile]
  40 if { $baseline == -1 } then {
  41     fail "could not find gdb_recursion_test function"
  42     return
  43 }
  44
  45 set testline1 [expr $baseline + 4]
  46 set testline2 [expr $baseline + 5]
  47 set testline3 [expr $baseline + 6]
  48 set testline4 [expr $baseline + 7]
  49 set testline5 [expr $baseline + 8]
  50 set testline6 [expr $baseline + 9]
  51
  52 #
  53 # test save-trace command
  54 #
  55
  56 # setup a set of tracepoints to save
  57
  58 gdb_delete_tracepoints
  59
  60 foreach x { 1 2 3 4 5 6 } {
  61     set testline [expr \$testline$x]
  62     set trcpt [gdb_gettpnum $testline]
  63     set trcpt$x $trcpt
  64     gdb_test "passcount $x" \
  65              "Setting tracepoint $trcpt.* to $x" \
  66              "set passcount for tracepoint $trcpt"
  67
  68     gdb_test_no_output "condition $trcpt $x - 1 == $x / 2" \
  69              "set condition for tracepoint $trcpt"
  70
  71     gdb_trace_setactions "set actions for tracepoint $x" \
  72             "" \
  73             "collect q$x" "^$" \
  74             "while-stepping $x" "^$" \
  75             "collect q$x" "^$" \
  76             "end" "^$"
  77 }
  78
  79 gdb_test "ftrace fast_tracepoint_loc" \
  80          "Fast tracepoint $decimal at $hex: file .*$srcfile, line $decimal.*" \
  81          "set a fast tracepoint"
  82
  83 gdb_test_no_output "set default-collect gdb_char_test, gdb_long_test - 100" \
  84     "set default-collect"
  85
  86 # Save tracepoint definitions to a file, at path SAVE_PATH.
  87 proc gdb_save_tracepoints { save_path } {
  88     set save_path_regexp [string_to_regexp $save_path]
  89     remote_file host delete $save_path
  90     gdb_test "save tracepoints $save_path" \
  91              "Saved to file '$save_path_regexp'." \
  92              "save tracepoint definitions"
  93 }
  94
  95 # Load tracepoint definitions from a file, from path SAVE_PATH.
  96 proc gdb_load_tracepoints { save_path } {
  97     # Cleanup existing tracepoints/collections
  98     gdb_delete_tracepoints
  99     gdb_test_no_output "set default-collect" "clear default-collect"
 100
 101     gdb_test "info tracepoints" "No tracepoints." "delete tracepoints"
 102
 103     gdb_test "source $save_path" "Tracepoint \[0-9\]+ at .*" \
 104              "read back saved tracepoints"
 105 }
 106
 107 proc gdb_verify_tracepoints { testname } {
 108     global gdb_prompt
 109
 110     set ws "\[\t \]+"
 111     set nl "\[\r\n\]+"
 112     set ourstate 1
 113     set result "pass"
 114     gdb_test_multiple "info tracepoints" "$testname" {
 115         -re "\[0-9\]+\[\t \]+tracepoint\[\t \]+keep y\[\t \]+0x\[0-9a-fA-F\]+ in gdb_recursion_test\[^\r\n\]+\r\n\[ \t]+trace only if \[0-9\] - 1 == \[0-9\] / 2" {
 116 #           if { $expect_out(1,string) != $ourstate } {
 117 #               set result "fail"
 118 #           }
 119             incr ourstate
 120             exp_continue
 121         }
 122         -re "$gdb_prompt $" {
 123             if { $ourstate >= 7 } {
 124                 set result "pass"
 125             } else {
 126                 set result "fail"
 127             }
 128         }
 129         default {
 130             set result "fail"
 131         }
 132     }
 133     $result $testname
 134
 135     gdb_test "show default-collect" \
 136         "The list of expressions to collect by default is \"gdb_char_test, gdb_long_test - 100\"..*" \
 137         "verify default-collect"
 138 }
 139
 140 proc do_save_load_test { save_path } {
 141     # Save current tracepoint definitions to a file
 142     gdb_save_tracepoints $save_path
 143
 144     # Clear existing tracepoints and reload from file
 145     gdb_load_tracepoints $save_path
 146
 147     # Check if they match the expected tracepoints
 148     gdb_verify_tracepoints "verify recovered tracepoints"
 149 }
 150
 151 gdb_verify_tracepoints "verify trace setup"
 152
 153 with_test_prefix "relative" {
 154     set filepath [standard_output_file "savetrace-relative.tr"]
 155
 156     # This only works because the pwd is a prefix of the standard output
 157     # directory.  If this assumption becomes false, then this test needs to be
 158     # changed (the relative path from [pwd] to the standard output directory
 159     # will become a bit more complicated to compute).
 160     if {[string first [pwd] $filepath] != 0} {
 161         error "[pwd] is not a prefix of $filepath."
 162     }
 163
 164     set filepath [string map "[pwd] ." $filepath]
 165     do_save_load_test "$filepath"
 166 }
 167
 168 with_test_prefix "absolute" {
 169     do_save_load_test [standard_output_file "savetrace-absolute.tr"]
 170 }
 171
 172 #      invalid filename
 173 #      [deferred -- not sure what a good invalid filename would be]
 174
 175 #      save-trace (file already exists)
 176 #      [expect it to clobber the old one]
 177
 178 # help save tracepoints
 179
 180 gdb_test "help save tracepoints" \
 181         "Save current tracepoint definitions as a script.*" \
 182         "verify help save tracepoints"