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event-tracing-gap.exp revision 1.1 
      1 # This testcase is part of GDB, the GNU debugger.
      2 #
      3 # Copyright 2024 Free Software Foundation, Inc.
      4 #
      5 # This program is free software; you can redistribute it and/or modify
      6 # it under the terms of the GNU General Public License as published by
      7 # the Free Software Foundation; either version 3 of the License, or
      8 # (at your option) any later version.
      9 #
     10 # This program is distributed in the hope that it will be useful,
     11 # but WITHOUT ANY WARRANTY; without even the implied warranty of
     12 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
     13 # GNU General Public License for more details.
     14 #
     15 # You should have received a copy of the GNU General Public License
     16 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
     17 
     18 # Test event tracing with gaps.
     19 
     20 require allow_btrace_pt_event_trace_tests
     21 
     22 standard_testfile
     23 
     24 if {[prepare_for_testing "failed to prepare" $testfile $srcfile]} {
     25     return -1
     26 }
     27 
     28 if {![runto_main]} {
     29     return -1
     30 }
     31 
     32 gdb_test_no_output "set record btrace pt event-tracing on"
     33 gdb_test_no_output "record btrace pt"
     34 
     35 set bp_1 [gdb_get_line_number "bp1"]
     36 set bp_2 [gdb_get_line_number "bp2"]
     37 gdb_breakpoint $bp_1
     38 gdb_breakpoint $bp_2
     39 
     40 gdb_test "next"
     41 
     42 # Inferior calls and return commands will create gaps in the recording.
     43 gdb_test "call square (3)" [multi_line \
     44     "" \
     45     "Breakpoint $decimal, square \\(num=3\\) at \[^\r\n\]+:$bp_1" \
     46     "$decimal.*bp1.*" \
     47     "The program being debugged stopped while in a function called from GDB\\." \
     48     "Evaluation of the expression containing the function" \
     49     "\\(square\\) will be abandoned\\." \
     50     "When the function is done executing, GDB will silently stop\\."]
     51 
     52 gdb_test "return 9" "0.*main.*" \
     53     "return" \
     54     "Make.*return now\\? \\(y or n\\) " "y"
     55 
     56 gdb_continue_to_breakpoint "break at bp_1" ".*$srcfile:$bp_1.*"
     57 gdb_continue_to_breakpoint "break at bp_2" ".*$srcfile:$bp_2.*"
     58 
     59 # We should have 2 gaps and events for each breakpoint we hit.
     60 # Note that due to the asynchronous nature of certain events, we use
     61 # gdb_test_sequence and check only for events that we can control.
     62 gdb_test_sequence "record function-call-history" "function-call-history" {
     63     "\[0-9\]+\tmain"
     64     "\\\[iret(: ip = $hex)?\\\]"
     65     "\[0-9\]+\t\\\[non-contiguous\\\]"
     66     "\[0-9\]+\tsquare"
     67     "\\\[interrupt: vector = 0x3 \\\(#bp\\\)(, ip = 0x\[0-9a-fA-F\]+)?\\\]"
     68     "\\\[iret(: ip = $hex)?\\\]"
     69     "\[0-9\]+\t\\\[non-contiguous\\\]"
     70     "\[0-9\]+\tmain"
     71     "\[0-9\]+\tsquare"
     72     "\\\[interrupt: vector = 0x3 \\\(#bp\\\)(, ip = 0x\[0-9a-fA-F\]+)?\\\]"
     73     "\\\[iret(: ip = $hex)?\\\]"
     74     "\[0-9\]+\tmain"
     75 }
     76