gdb/testsuite/gdb.btrace/exception.exp

# This testcase is part of GDB, the GNU debugger.
#
# Copyright 2013-2021 Free Software Foundation, Inc.
#
# Contributed by Intel Corp. <markus.t.metzger@intel.com>
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program.  If not, see <http://www.gnu.org/licenses/>.

if { [skip_btrace_tests] } {
    unsupported "target does not support record-btrace"
    return -1
}

# We expect a specific function call history.  This gets messed up with
# PIE on 32-bit.
standard_testfile exception.cc
if [prepare_for_testing "failed to prepare" $testfile $srcfile \
	{nopie c++ debug}] {
    return -1
}

if ![runto_main] {
    return -1
}

# we want to see the full trace for this test
gdb_test_no_output "set record function-call-history-size 0"

# set bp
set bp_1 [gdb_get_line_number "bp.1" $srcfile]
set bp_2 [gdb_get_line_number "bp.2" $srcfile]
gdb_breakpoint $bp_1
gdb_breakpoint $bp_2

# trace the code between the two breakpoints
gdb_continue_to_breakpoint "cont to bp.1" ".*$srcfile:$bp_1\r\n.*"
# increase the BTS buffer size - the trace can be quite big
gdb_test_no_output "set record btrace bts buffer-size 128000"
gdb_test_no_output "record btrace"
gdb_continue_to_breakpoint "cont to bp.2" ".*$srcfile:$bp_2\r\n.*"

# show the flat branch trace
send_gdb "record function-call-history 1\n"
gdb_expect_list "flat" "\r\n$gdb_prompt $" [list \
  [multi_line \
    "1\tmain\\(\\)" \
    "2\ttest\\(\\)" \
    "3\tfoo\\(\\)" \
    "4\tbar\\(\\)" \
    "5\tbad\\(\\)\r" \
  ] "" \
  [multi_line \
    "\[0-9\]*\ttest\\(\\)" \
    "\[0-9\]*\tmain\\(\\)" \
  ] "" \
  ]

# show the branch trace with calls indented
send_gdb "record function-call-history /c 1\n"
gdb_expect_list "indented" "\r\n$gdb_prompt $" [list \
  [multi_line \
    "1\tmain\\(\\)" \
    "2\t  test\\(\\)" \
    "3\t    foo\\(\\)" \
    "4\t      bar\\(\\)" \
    "5\t        bad\\(\\)\r" \
  ] "" \
  [multi_line \
    "\[0-9\]*\t  test\\(\\)" \
    "\[0-9\]*\tmain\\(\\)" \
  ] "" \
  ]