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