TheRock/debug-tools/rocgdb/source/gdb/testsuite/gdb.rocm/illegal-insn-sigill.exp

# Copyright 2023-2024 Free Software Foundation, Inc.
# Copyright (C) 2023-2024 Advanced Micro Devices, Inc. All rights reserved.

# This file is part of GDB.

# 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 that we receive a SIGILL when trying to execute an illegal instruction
# in shader code.

load_lib rocm.exp

require allow_hip_tests

standard_testfile .cpp

if {[build_executable "failed to prepare $testfile" $testfile $srcfile \
	{debug hip}]} {
    return
}

proc do_test { } {
    clean_restart $::binfile

    with_rocm_gpu_lock {
	if ![runto_main] {
	    return
	}

	gdb_breakpoint "illegal_insn" "allow-pending"
	gdb_continue_to_breakpoint "illegal_insn"

	# Check that the disassembler recognises the next instruction as
	# illegal.
	gdb_test "x/i \$pc" "=> $::hex.*<illegal instruction>"

	# Step over the illegal instruction.
	gdb_test "next" \
	    "Thread $::decimal.*received signal SIGILL, Illegal instruction\..*"

	# On AMDGPU architectures, the illegal instruction exception might be
	# imprecise, that is the PC might be pointing somewhere after the first
	# byte which constituted the illegal instruction.

	# When resuming execution, the illegal instruction is delivered to the
	# runtime which is expected to print an error message then abort the
	# program.
	setup_kfail "*-*-mingw*" "AIRUNTIME=35"
	gdb_test "continue" \
	    ".*HSA_STATUS_ERROR_ILLEGAL_INSTRUCTION.*received signal SIGABRT, Aborted..*"
    }
}

do_test