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# Copyright 2022-2024 Free Software Foundation, Inc.
# 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 showing the "amdgpu precise-memory" setting.
load_lib rocm.exp
require allow_hipcc_tests
standard_testfile .cpp
if {[build_executable "failed to prepare" $testfile $srcfile {debug hip}]} {
return
}
proc do_test { } {
clean_restart $::binfile
with_rocm_gpu_lock {
if ![runto_main] {
return
}
gdb_test "show amdgpu precise-memory" \
"AMDGPU precise memory access reporting is off \\(currently disabled\\)." \
"show precise-memory setting in CLI before"
# Assume precise-memory is available, unless GDB reports otherwise.
gdb_test_multiple "set amdgpu precise-memory on" "" {
-re -wrap "warning: AMDGPU precise memory access reporting could not be enabled\\." {
set cli_effective_value "disabled"
pass $gdb_test_name
}
-re -wrap "^" {
set cli_effective_value "enabled"
pass $gdb_test_name
}
}
gdb_test "show amdgpu precise-memory" \
"AMDGPU precise memory access reporting is on \\(currently ${cli_effective_value}\\)\\." \
"show precise-memory setting in CLI after"
if { $cli_effective_value eq "disabled" } {
return
}
# Get to the begining of the GPU kernel without precise memory enabled.
with_test_prefix "goto gpu code" {
gdb_test_no_output "set amdgpu precise-memory off"
gdb_breakpoint "kernel" allow-pending
gdb_test "continue" "Thread ${::decimal}.* hit Breakpoint .*"
gdb_test_no_output "set amdgpu precise-memory on"
}
# If precise-memory is available, run until a SIGSEGV is reported. At
# that point, the PC should point to the s_nop instruction (the one
# following the one which caused the memory violation).
gdb_test "continue" "Thread ${::decimal}\[^\r\n\]* received signal SIGSEGV, Segmentation fault.*"
gdb_test "x/i \$pc" "=> ${::hex} <_Z6kernelv\\+${::decimal}>:\[ \t\]+s_nop\[ \t\]+0"
}
}
do_test
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