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[debuginfo-tests] Use built lldb for testing if available (#131681)

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The cross-project-tests's debuginfo-tests don't rely on lldb being built
to run. While this is a good, a bug in the system lldb can cause a test
to fail with no way of fixing it. This patch makes it so the tests use
the built lldb instead if it's available.
This commit is contained in:
Augusto Noronha 2025-03-19 12:42:47 -07:00 committed by GitHub
parent 02744c5010
commit 7cabcdb2d2
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GPG Key ID: B5690EEEBB952194
3 changed files with 22 additions and 2 deletions
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5
cross-project-tests/debuginfo-tests/llgdb-tests/llgdb.py
View File

@ -8,6 +8,11 @@ commands to run the tests in the debuginfo-tests repository with lldb.
# Auto-detect lldb python module.
import subprocess, platform, os, sys
# Set the path to look first for the built lldb (in case it exists).
lldb_python_path = os.environ["LLDB_PYTHON_PATH"]
if len(lldb_python_path) > 0:
sys.path.insert(0, lldb_python_path)
try:
# Just try for LLDB in case PYTHONPATH is already correctly setup.
import lldb

6
cross-project-tests/debuginfo-tests/llgdb-tests/test_debuginfo.pl
View File

@ -56,7 +56,11 @@ my $my_debugger = $ENV{'DEBUGGER'};
if (!$my_debugger) {
if ($use_lldb) {
my $path = dirname(Cwd::abs_path($0));
$my_debugger = "/usr/bin/xcrun python3 $path/llgdb.py";
my $python_exec_path = $ENV{'PYTHON_EXEC_PATH'};
if (!$python_exec_path) {
$python_exec_path = 'python3';
}
$my_debugger = "LLDB_PYTHON_PATH=$ENV{'LLDB_PYTHON_PATH'} /usr/bin/xcrun $python_exec_path $path/llgdb.py";
} else {
$my_debugger = "gdb";
}

13
cross-project-tests/lit.cfg.py
View File

@ -34,10 +34,21 @@ config.test_exec_root = config.cross_project_tests_obj_root
llvm_config.use_default_substitutions()
lldb_python_path = os.path.join(
config.llvm_libs_dir,
f"python{sys.version_info.major}.{sys.version_info.minor}",
"site-packages",
)
python_exec_path = sys.executable
tools = [
ToolSubst(
"%test_debuginfo",
command=os.path.join(
command="PYTHON_EXEC_PATH="
+ python_exec_path
+ " LLDB_PYTHON_PATH="
+ lldb_python_path
+ " "
+ os.path.join(
config.cross_project_tests_src_root,
"debuginfo-tests",
"llgdb-tests",