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260 lines
7.4 KiB
Plaintext
260 lines
7.4 KiB
Plaintext
# This testcase is part of GDB, the GNU debugger.
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#
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# Copyright 2013-2020 Free Software Foundation, Inc.
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#
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# Contributed by Intel Corp. <christian.himpel@intel.com>
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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if { [skip_btrace_tests] } {
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unsupported "target does not support record-btrace"
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return -1
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}
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standard_testfile
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if [prepare_for_testing "failed to prepare" $testfile {} {debug}] {
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return -1
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}
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if ![runto_main] {
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untested "failed to run to main"
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return -1
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}
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# start btrace
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gdb_test_no_output "record btrace"
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# set bp after increment loop and continue
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set bp_location [gdb_get_line_number "bp.1" $testfile.c]
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gdb_breakpoint $bp_location
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gdb_continue_to_breakpoint "cont to $bp_location" ".*$testfile.c:$bp_location.*"
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proc rec_fun_all {} {
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gdb_test "record function-call-history 1" [multi_line \
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"1\tmain" \
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"2\tinc" \
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"3\tmain" \
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"4\tinc" \
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"5\tmain" \
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"6\tinc" \
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"7\tmain" \
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"8\tinc" \
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"9\tmain" \
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"10\tinc" \
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"11\tmain" \
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"12\tinc" \
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"13\tmain" \
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"14\tinc" \
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"15\tmain" \
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"16\tinc" \
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"17\tmain" \
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"18\tinc" \
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"19\tmain" \
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"20\tinc" \
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"21\tmain"]
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}
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# show function call history with unlimited size, we expect to see all 21 entries
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gdb_test_no_output "set record function-call-history-size 0"
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with_test_prefix "size unlimited" rec_fun_all
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# show function call history with size of 21, we expect to see all 21 entries
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gdb_test_no_output "set record function-call-history-size 21"
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with_test_prefix "size 21" rec_fun_all
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# show first 15 entries
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gdb_test_no_output "set record function-call-history-size 15"
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gdb_test "record function-call-history 1" [multi_line \
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"1\tmain" \
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"2\tinc" \
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"3\tmain" \
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"4\tinc" \
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"5\tmain" \
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"6\tinc" \
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"7\tmain" \
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"8\tinc" \
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"9\tmain" \
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"10\tinc" \
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"11\tmain" \
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"12\tinc" \
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"13\tmain" \
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"14\tinc" \
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"15\tmain"] "forward - 1"
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# show last 6 entries
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gdb_test "record function-call-history +" [multi_line \
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"16\tinc" \
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"17\tmain" \
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"18\tinc" \
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"19\tmain" \
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"20\tinc" \
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"21\tmain"] "forward - 2"
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# moving further should not work
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gdb_test "record function-call-history +" "At the end of the branch trace record\\." "forward - 3"
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# make sure we cannot move any further a second time
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gdb_test "record function-call-history +" "At the end of the branch trace record\\." "forward - 4"
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# moving back showing the latest 15 function calls
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gdb_test "record function-call-history -" [multi_line \
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"7\tmain" \
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"8\tinc" \
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"9\tmain" \
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"10\tinc" \
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"11\tmain" \
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"12\tinc" \
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"13\tmain" \
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"14\tinc" \
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"15\tmain" \
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"16\tinc" \
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"17\tmain" \
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"18\tinc" \
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"19\tmain" \
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"20\tinc" \
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"21\tmain"] "backward - 1"
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# moving further back shows the 6 first function calls
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gdb_test "record function-call-history -" [multi_line \
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"1\tmain" \
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"2\tinc" \
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"3\tmain" \
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"4\tinc" \
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"5\tmain" \
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"6\tinc"] "backward - 2"
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# moving further back shouldn't work
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gdb_test "record function-call-history -" "At the start of the branch trace record\\." "backward - 3"
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# make sure we cannot move any further back
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gdb_test "record function-call-history -" "At the start of the branch trace record\\." "backward - 4"
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# don't mess around with path names
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gdb_test_no_output "set filename-display basename"
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# moving forward again, but this time with file and line number, expected to see the first 15 entries
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gdb_test "record function-call-history /l +" [multi_line \
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"\[0-9\]*\tmain\tat $srcfile:40,41" \
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"\[0-9\]*\tinc\tat $srcfile:22,24" \
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"\[0-9\]*\tmain\tat $srcfile:40,41" \
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"\[0-9\]*\tinc\tat $srcfile:22,24" \
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"\[0-9\]*\tmain\tat $srcfile:40,41" \
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"\[0-9\]*\tinc\tat $srcfile:22,24" \
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"\[0-9\]*\tmain\tat $srcfile:40,41" \
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"\[0-9\]*\tinc\tat $srcfile:22,24" \
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"\[0-9\]*\tmain\tat $srcfile:40,41" \
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"\[0-9\]*\tinc\tat $srcfile:22,24" \
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"\[0-9\]*\tmain\tat $srcfile:40,41" \
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"\[0-9\]*\tinc\tat $srcfile:22,24" \
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"\[0-9\]*\tmain\tat $srcfile:40,41" \
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"\[0-9\]*\tinc\tat $srcfile:22,24" \
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"\[0-9\]*\tmain\tat $srcfile:40,41" \
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] "forward /l - 1"
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# moving forward and expect to see the latest 6 entries
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gdb_test "record function-call-history /l +" [multi_line \
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"\[0-9\]*\tinc\tat $srcfile:22,24" \
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"\[0-9\]*\tmain\tat $srcfile:40,41" \
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"\[0-9\]*\tinc\tat $srcfile:22,24" \
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"\[0-9\]*\tmain\tat $srcfile:40,41" \
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"\[0-9\]*\tinc\tat $srcfile:22,24" \
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"\[0-9\]*\tmain\tat $srcfile:40,43" \
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] "forward /l - 2"
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# moving further forward shouldn't work
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gdb_test "record function-call-history /l +" "At the end of the branch trace record\\." "forward /l - 3"
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gdb_test "record function-call-history /l" "At the end of the branch trace record\\." "forward /l - 4"
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set expected_range [multi_line \
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"4\tinc" \
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"5\tmain" \
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"6\tinc" \
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"7\tmain" \
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"8\tinc" \
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"9\tmain" \
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"10\tinc"]
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# show functions in instruction range
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gdb_test "record function-call-history 4,10" $expected_range
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gdb_test "record function-call-history 4,+7" $expected_range
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gdb_test "record function-call-history 10,-7" $expected_range
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gdb_test "record function-call-history 4,4" "4\tinc\r"
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# set bp after fib recursion and continue
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set bp_location [gdb_get_line_number "bp.2" $testfile.c]
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gdb_breakpoint $bp_location
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gdb_continue_to_breakpoint "cont to $bp_location" ".*$testfile.c:$bp_location.*"
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# at this point we expect to have main, fib, ..., fib, main, where fib occurs 9 times,
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# so we limit the output to only show the latest 11 function calls
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gdb_test_no_output "set record function-call-history-size 11"
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gdb_test "record function-call-history" [multi_line \
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"21\tmain" \
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"22\tfib" \
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"23\tfib" \
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"24\tfib" \
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"25\tfib" \
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"26\tfib" \
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"27\tfib" \
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"28\tfib" \
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"29\tfib" \
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"30\tfib" \
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"31\tmain"] "recursive"
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# show indented function call history for fib
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gdb_test "record function-call-history /c 21, +11" [multi_line \
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"21\tmain" \
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"22\t fib" \
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"23\t fib" \
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"24\t fib" \
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"25\t fib" \
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"26\t fib" \
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"27\t fib" \
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"28\t fib" \
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"29\t fib" \
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"30\t fib" \
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"31\tmain" \
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] "indented"
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# make sure we can handle incomplete trace with respect to indentation
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if ![runto_main] {
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untested "failed to run to main"
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return -1
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}
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# navigate to the fib in line 24 above
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gdb_breakpoint fib
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gdb_continue_to_breakpoint "cont to fib.1"
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gdb_continue_to_breakpoint "cont to fib.2"
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gdb_continue_to_breakpoint "cont to fib.3"
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gdb_continue_to_breakpoint "cont to fib.4"
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# start tracing
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gdb_test_no_output "record btrace"
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# continue until line 30 above
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delete_breakpoints
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set bp_location [gdb_get_line_number "bp.2" $testfile.c]
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gdb_breakpoint $bp_location
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gdb_continue_to_breakpoint "cont to bp.2" ".*$testfile.c:$bp_location\r\n.*"
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# let's look at the trace. we expect to see the tail of the above listing.
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gdb_test "record function-call-history /c" [multi_line \
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"1\t fib" \
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"2\t fib" \
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"3\t fib" \
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"4\t fib" \
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"5\t fib" \
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"6\tmain" \
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] "indented tail"
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