gdb/testsuite/gdb.trace/save-trace.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
  24 standard_testfile actions.c
  25 if ![gdb_trace_common_supports_arch] {
  26     unsupported "no trace-common.h support for arch"
  27     return -1
  28 }
  29 if { [gdb_compile "$srcdir/$subdir/$srcfile" $binfile \
  30           executable {debug nowarnings}] != "" } {
  31     untested "failed to compile"
  32     return -1
  33 }
  34 gdb_reinitialize_dir $srcdir/$subdir
  35
  36 # If testing on a remote host, download the source file.
  37 # remote_download host $srcdir/$subdir/$srcfile
  38
  39 gdb_file_cmd $binfile
  40
  41 # define relative source line numbers:
  42 # all subsequent line numbers are relative to this first one (baseline)
  43 set baseline  [gdb_find_recursion_test_baseline $srcfile]
  44 if { $baseline == -1 } then {
  45     fail "could not find gdb_recursion_test function"
  46     return
  47 }
  48
  49 set testline1 [expr $baseline + 4]
  50 set testline2 [expr $baseline + 5]
  51 set testline3 [expr $baseline + 6]
  52 set testline4 [expr $baseline + 7]
  53 set testline5 [expr $baseline + 8]
  54 set testline6 [expr $baseline + 9]
  55
  56 #
  57 # test save-trace command
  58 #
  59
  60 # setup a set of tracepoints to save
  61
  62 gdb_delete_tracepoints
  63
  64 foreach x { 1 2 3 4 5 6 } {
  65     set testline [expr \$testline$x]
  66     set trcpt [gdb_gettpnum $testline]
  67     set trcpt$x $trcpt
  68     gdb_test "passcount $x" \
  69              "Setting tracepoint $trcpt.* to $x" \
  70              "set passcount for tracepoint $trcpt"
  71
  72     gdb_test_no_output "condition $trcpt $x - 1 == $x / 2" \
  73              "set condition for tracepoint $trcpt"
  74
  75     gdb_trace_setactions "set actions for tracepoint $x" \
  76             "" \
  77             "collect q$x" "^$" \
  78             "while-stepping $x" "^$" \
  79             "collect q$x" "^$" \
  80             "end" "^$"
  81 }
  82
  83 gdb_test "ftrace fast_tracepoint_loc" \
  84          "Fast tracepoint $decimal at $hex: file .*$srcfile, line $decimal.*" \
  85          "set a fast tracepoint"
  86
  87 gdb_test_no_output "set default-collect gdb_char_test, gdb_long_test - 100" \
  88     "set default-collect"
  89
  90 # Save tracepoint definitions to a file, at path SAVE_PATH.
  91 proc gdb_save_tracepoints { save_path } {
  92     set save_path_regexp [string_to_regexp $save_path]
  93     remote_file host delete $save_path
  94     gdb_test "save tracepoints $save_path" \
  95              "Saved to file '$save_path_regexp'." \
  96              "save tracepoint definitions"
  97 }
  98
  99 # Load tracepoint definitions from a file, from path SAVE_PATH.
 100 proc gdb_load_tracepoints { save_path } {
 101     # Cleanup existing tracepoints/collections
 102     gdb_delete_tracepoints
 103     gdb_test_no_output "set default-collect" "clear default-collect"
 104
 105     gdb_test "info tracepoints" "No tracepoints." "delete tracepoints"
 106
 107     gdb_test "source $save_path" "Tracepoint \[0-9\]+ at .*" \
 108              "read back saved tracepoints"
 109 }
 110
 111 proc gdb_verify_tracepoints { testname } {
 112     global gdb_prompt
 113
 114     set ws "\[\t \]+"
 115     set nl "\[\r\n\]+"
 116     set ourstate 1
 117     set result "pass"
 118     gdb_test_multiple "info tracepoints" "$testname" {
 119         -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" {
 120 #           if { $expect_out(1,string) != $ourstate } {
 121 #               set result "fail"
 122 #           }
 123             incr ourstate
 124             exp_continue
 125         }
 126         -re "$gdb_prompt $" {
 127             if { $ourstate >= 7 } {
 128                 set result "pass"
 129             } else {
 130                 set result "fail"
 131             }
 132         }
 133         default {
 134             set result "fail"
 135         }
 136     }
 137     $result $testname
 138
 139     gdb_test "show default-collect" \
 140         "The list of expressions to collect by default is \"gdb_char_test, gdb_long_test - 100\"..*" \
 141         "verify default-collect"
 142 }
 143
 144 proc do_save_load_test { save_path } {
 145     # Save current tracepoint definitions to a file
 146     gdb_save_tracepoints $save_path
 147
 148     # Clear existing tracepoints and reload from file
 149     gdb_load_tracepoints $save_path
 150
 151     # Check if they match the expected tracepoints
 152     gdb_verify_tracepoints "verify recovered tracepoints"
 153 }
 154
 155 gdb_verify_tracepoints "verify trace setup"
 156
 157 with_test_prefix "relative" {
 158     set filepath [standard_output_file "savetrace-relative.tr"]
 159
 160     # This only works because the pwd is a prefix of the standard output
 161     # directory.  If this assumption becomes false, then this test needs to be
 162     # changed (the relative path from [pwd] to the standard output directory
 163     # will become a bit more complicated to compute).
 164     if {[string first [pwd] $filepath] != 0} {
 165         error "[pwd] is not a prefix of $filepath."
 166     }
 167
 168     set filepath [string map "[pwd] ." $filepath]
 169     do_save_load_test "$filepath"
 170 }
 171
 172 with_test_prefix "absolute" {
 173     do_save_load_test [standard_output_file "savetrace-absolute.tr"]
 174 }
 175
 176 #      invalid filename
 177 #      [deferred -- not sure what a good invalid filename would be]
 178
 179 #      save-trace (file already exists)
 180 #      [expect it to clobber the old one]
 181
 182 # help save tracepoints
 183
 184 gdb_test "help save tracepoints" \
 185         "Save current tracepoint definitions as a script.*" \
 186         "verify help save tracepoints"