# Copyright 2025 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 setting a breakpoint by address on a GPU code object compiled without
# debug information while focussing on a CPU thread.

load_lib rocm.exp

standard_testfile .cpp

require allow_hip_tests

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

clean_restart $::testfile

# We may have multiple GPUs, resulting in many possible locations.  This is
# needed to ensure we get a single address to break on, so make device 0 the
# only visible one.
gdb_test_no_output "set environment ROCR_VISIBLE_DEVICES=0"

# Make the HIP runtime load all the GPU code objects during initialization.
gdb_test_no_output "set environment HIP_ENABLE_DEFERRED_LOADING=0"

with_rocm_gpu_lock {
    if { ![runto_main] } {
	return
    }

    # Create the breakpoint by name to have GDB resolve the symbol address.
    set bp_addr 0
    gdb_test_multiple "b kern" "" {
	-re -wrap "Breakpoint $::decimal at ($::hex)" {
	    set bp_addr $expect_out(1,string)
	    pass $gdb_test_name
	}
    }

    # Ensure current focus is on a host thread.
    gdb_assert {[get_integer_valueof "\$_thread" 0] == 1} \
	"selected host thread"

    # Remove this breakpoint...
    gdb_test_no_output "delete \$bpnum"

    # ...and re-create it by address.
    gdb_breakpoint "*$bp_addr"

    gdb_continue_to_breakpoint "breakpoint by address"
    gdb_assert {[get_valueof "/x" "\$pc" 0] == $bp_addr} \
	"stopped at breakpoint"

    gdb_continue_to_end "" continue 1
}