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# Copyright 2023-2024 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/>.
# This test checks that GDB can debug multiple inferior which uses all
# the ROCm runtime.
load_lib rocm.exp
standard_testfile .cpp
require allow_hipcc_tests
require hip_devices_support_debug_multi_process
if {[build_executable "failed to prepare" $testfile $srcfile {debug hip}]} {
return
}
proc do_test {} {
clean_restart $::binfile
gdb_test_no_output "set non-stop on"
gdb_test_no_output "set detach-on-fork off"
gdb_test_no_output "set follow-fork parent"
with_rocm_gpu_lock {
gdb_breakpoint [gdb_get_line_number "Break here"]
gdb_breakpoint kern allow-pending
gdb_breakpoint [gdb_get_line_number "Last break here"]
# Run until we reach the first breakpoint where we can figure
# out how many children will be spawned.
gdb_test "run" "hit Breakpoint.*"
set num_children [get_integer_valueof "num_devices" 0]
set bp_to_see $num_children
set stopped_gpu_threads [list]
gdb_test_multiple "continue -a &" "continue to gpu breakpoints" {
-re "Continuing\.\r\n$::gdb_prompt " {
pass $gdb_test_name
}
}
gdb_test_multiple "" "wait for gpu stops" {
-re "Thread ($::decimal\.$::decimal)\[^\r\n\]* hit Breakpoint\[^\r\n\]*, kern \(\)\[^\r\n\]*\r\n" {
lappend stopped_gpu_threads $expect_out(1,string)
incr bp_to_see -1
if {$bp_to_see != 0} {
exp_continue
} else {
pass $gdb_test_name
}
}
}
# Continue all the GPU kernels so all the children processes can reach exit.
foreach thread $stopped_gpu_threads {
set infnumber [lindex [split $thread .] 0]
gdb_test "thread $thread" "Switching to thread.*"
gdb_test_multiple "continue" "continue inferior $infnumber" {
-re "\\\[Inferior $infnumber \[^\n\r\]* exited normally\\]\r\n$::gdb_prompt " {
pass $gdb_test_name
}
}
}
gdb_test_multiple "" "reach breakpoint in main" {
-re "hit Breakpoint.*parent" {
pass $gdb_test_name
}
}
# Select main inferior
gdb_test "inferior 1" "Switching to inferior 1.*"
gdb_continue_to_end "" "continue -a" 1
}
}
do_test
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