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# Copyright 2021-2022 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/>.
#
# This file is part of the gdb testsuite.
# Test if GDB stops at various trap instructions inserted into
# the code.
if { [istarget powerpc-*] } {
standard_testfile powerpc-trap.s
# Number of expected SIGTRAPs to get. This needs to be kept in sync
# with the source file powerpc-trap.s.
set expected_traps 3
} elseif {[istarget powerpc64*] } {
standard_testfile powerpc64-trap.s
# Number of expected SIGTRAPs to get. This needs to be kept in sync
# with the source file powerpc64-trap.s.
set expected_traps 5
} else {
verbose "Skipping ${gdb_test_file_name}."
return
}
if {[prepare_for_testing "failed to prepare" ${testfile} ${srcfile}]} {
return -1
}
if {![runto_main]} {
untested "could not run to main"
return -1
}
set keep_going 1
set count 0
while {$keep_going} {
set keep_going 0
# Continue to next program breakpoint instruction.
gdb_test_multiple "continue" "trap instruction $count causes SIGTRAP" {
-re "Program received signal SIGTRAP, Trace/breakpoint trap.*$gdb_prompt $" {
pass $gdb_test_name
# Advance PC to next instruction
gdb_test "set \$pc = \$pc + 4" "" "advance past trap instruction $count"
incr count
if {$count < $expected_traps} {
set keep_going 1
}
}
}
}
# Verify we stopped at the expected number of SIGTRAP's.
gdb_assert {$count == $expected_traps} "all trap instructions triggered"
# One last continue to reach the end of the test, to make sure we don't get
# another SIGTRAP.
gdb_test "continue" "exited normally.*" "continue to end"
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