gdb/testsuite/gdb.btrace/record_goto.exp

   1 # This testcase is part of GDB, the GNU debugger.
   2 #
   3 # Copyright 2013 Free Software Foundation, Inc.
   4 #
   5 # Contributed by Intel Corp. <markus.t.metzger@intel.com>
   6 #
   7 # This program is free software; you can redistribute it and/or modify
   8 # it under the terms of the GNU General Public License as published by
   9 # the Free Software Foundation; either version 3 of the License, or
  10 # (at your option) any later version.
  11 #
  12 # This program is distributed in the hope that it will be useful,
  13 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 # GNU General Public License for more details.
  16 #
  17 # You should have received a copy of the GNU General Public License
  18 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
  19
  20 # check for btrace support
  21 if { [skip_btrace_tests] } { return -1 }
  22
  23 # start inferior
  24 standard_testfile x86-record_goto.S
  25
  26 set opts {}
  27 if [info exists COMPILE] {
  28     # make check RUNTESTFLAGS="gdb.btrace/record_goto.exp COMPILE=1"
  29     standard_testfile record_goto.c
  30     lappend opts debug
  31 } elseif { ![istarget x86_64-*-* ] || ![is_lp64_target] } {
  32     verbose "Skipping ${testfile}."
  33     return
  34 }
  35
  36 if [prepare_for_testing record_goto.exp $testfile $srcfile $opts] {
  37     return -1
  38 }
  39 if ![runto_main] {
  40     return -1
  41 }
  42
  43 # we want a small context sizes to simplify the test
  44 gdb_test_no_output "set record instruction-history-size 3"
  45 gdb_test_no_output "set record function-call-history-size 3"
  46
  47 # trace the call to the test function
  48 gdb_test_no_output "record btrace"
  49 gdb_test "next"
  50
  51 # start by listing all functions
  52 gdb_test "record function-call-history /ci 1, +20" [join [list \
  53   "1\tfun4\tinst 1,3" \
  54   "2\t  fun1\tinst 4,7" \
  55   "3\tfun4\tinst 8,8" \
  56   "4\t  fun2\tinst 9,11" \
  57   "5\t    fun1\tinst 12,15" \
  58   "6\t  fun2\tinst 16,17" \
  59   "7\tfun4\tinst 18,18" \
  60   "8\t  fun3\tinst 19,21" \
  61   "9\t    fun1\tinst 22,25" \
  62   "10\t  fun3\tinst 26,26" \
  63   "11\t    fun2\tinst 27,29" \
  64   "12\t      fun1\tinst 30,33" \
  65   "13\t    fun2\tinst 34,35" \
  66   "14\t  fun3\tinst 36,37" \
  67   "15\tfun4\tinst 38,39" \
  68   ] "\r\n"]
  69
  70 # let's see if we can go back in history
  71 gdb_test "record goto 18" ".*fun4 \\(\\) at record_goto.c:43.*"
  72
  73 # the function call history should start at the new location
  74 gdb_test "record function-call-history /ci" [join [list \
  75   "7\tfun4\tinst 18,18" \
  76   "8\t  fun3\tinst 19,21" \
  77   "9\t    fun1\tinst 22,25" \
  78   ] "\r\n"] "function-call-history from 18 forwards"
  79
  80 # the instruction history should start at the new location
  81 gdb_test "record instruction-history" [join [list \
  82   "18.*" \
  83   "19.*" \
  84   "20.*" \
  85   ] "\r\n"] "instruction-history from 18 forwards"
  86
  87 # let's go to another place in the history
  88 gdb_test "record goto 26" ".*fun3 \\(\\) at record_goto.c:35.*"
  89
  90 # the function call history should start at the new location
  91 gdb_test "record function-call-history /ci -" [join [list \
  92   "8\t  fun3\tinst 19,21" \
  93   "9\t    fun1\tinst 22,25" \
  94   "10\t  fun3\tinst 26,26\r" \
  95   ] "\r\n"] "function-call-history from 26 backwards"
  96
  97 # the instruction history should start at the new location
  98 gdb_test "record instruction-history -" [join [list \
  99   "24.*" \
 100   "25.*" \
 101   "26.*\r" \
 102   ] "\r\n"] "instruction-history from 26 backwards"
 103
 104 # test that we can go to the begin of the trace
 105 gdb_test "record goto begin" ".*fun4 \\(\\) at record_goto.c:40.*"
 106
 107 # check that we're filling up the context correctly
 108 gdb_test "record function-call-history /ci -" [join [list \
 109   "1\tfun4\tinst 1,3" \
 110   "2\t  fun1\tinst 4,7" \
 111   "3\tfun4\tinst 8,8" \
 112   ] "\r\n"] "function-call-history from begin backwards"
 113
 114 # check that we're filling up the context correctly
 115 gdb_test "record instruction-history -" [join [list \
 116   "1.*" \
 117   "2.*" \
 118   "3.*" \
 119   ] "\r\n"] "instruction-history from begin backwards"
 120
 121 # we should get the exact same history from the first instruction
 122 gdb_test "record goto 2" ".*fun4 \\(\\) at record_goto.c:40.*"
 123
 124 # check that we're filling up the context correctly
 125 gdb_test "record function-call-history /ci -" [join [list \
 126   "1\tfun4\tinst 1,3" \
 127   "2\t  fun1\tinst 4,7" \
 128   "3\tfun4\tinst 8,8" \
 129   ] "\r\n"] "function-call-history from 2 backwards"
 130
 131 # check that we're filling up the context correctly
 132 gdb_test "record instruction-history -" [join [list \
 133   "1.*" \
 134   "2.*" \
 135   "3.*" \
 136   ] "\r\n"] "instruction-history from 2 backwards"
 137
 138 # check that we can go to the end of the trace
 139 gdb_test "record goto end" ".*main \\(\\) at record_goto.c:50.*"
 140
 141 # check that we're filling up the context correctly
 142 gdb_test "record function-call-history /ci" [join [list \
 143   "13\t    fun2\tinst 34,35" \
 144   "14\t  fun3\tinst 36,37" \
 145   "15\tfun4\tinst 38,39" \
 146   ] "\r\n"] "function-call-history from end forwards"
 147
 148 # check that we're filling up the context correctly
 149 gdb_test "record instruction-history" [join [list \
 150   "37.*" \
 151   "38.*" \
 152   "39.*" \
 153   ] "\r\n"] "instruction-history from end forwards"
 154
 155 # we should get the exact same history from the second to last instruction
 156 gdb_test "record goto 38" ".*fun4 \\(\\) at record_goto.c:44.*"
 157
 158 # check that we're filling up the context correctly
 159 gdb_test "record function-call-history /ci" [join [list \
 160   "13\t    fun2\tinst 34,35" \
 161   "14\t  fun3\tinst 36,37" \
 162   "15\tfun4\tinst 38,39" \
 163   ] "\r\n"] "function-call-history from 38 forwards"
 164
 165 # check that we're filling up the context correctly
 166 gdb_test "record instruction-history" [join [list \
 167   "37.*" \
 168   "38.*" \
 169   "39.*" \
 170   ] "\r\n"] "instruction-history from 38 forwards"