xref: /src/external/gpl3/gdb.old/dist/gdb/testsuite/gdb.btrace/event-tracing.exp

# This testcase is part of GDB, the GNU debugger.
#
# Copyright 2024 Free Software Foundation, Inc.
#
# 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/>.

# Test basic Intel PT event tracing

require allow_btrace_pt_event_trace_tests

standard_testfile null-deref.c

if {[prepare_for_testing "failed to prepare" $testfile $srcfile]} {
    return -1
}

if {![runto_main]} {
    return -1
}

gdb_test_no_output "set record btrace pt event-tracing on"
gdb_test_no_output "record btrace pt"

gdb_test "continue" "Program received signal SIGSEGV, Segmentation fault.*"

# Test printing of at least one INTERRUPT and one IRET event.
# This uses test_sequence to avoid random events failing the tests.
gdb_test_sequence "record function-call-history" "function-call-history" {
    "\[0-9\]+\tmain"
    "\t  \\\[iret(: ip = $hex)?\\\]"
    "\t  \\\[interrupt: vector = 0xe \\\(#pf\\\)(, cr2 = 0x0)?(, ip = 0x\[0-9a-fA-F\]+)?\\\]"
}

# Test the instruction-history.  Assembly can differ between compilers. To
# avoid creating a .S file for this test we just check the event at the end.
gdb_test "record instruction-history" \
  "$decimal\t     \\\[interrupt: vector = 0xe \\\(#pf\\\)(, cr2 = 0x0)?(, ip = $hex)?\\\]"

# Test reverse stepping and replay stepping
gdb_test "reverse-stepi" "\\\[interrupt: vector = 0xe \\\(#pf\\\)(, cr2 = 0x0)?(, ip = $hex)?\\\].*"
gdb_test "stepi" "\\\[interrupt: vector = 0xe \\\(#pf\\\)(, cr2 = 0x0)?(, ip = $hex)?\\\].*"