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Diffstat (limited to 'lit/lit.cfg')
| -rw-r--r-- | lit/lit.cfg | 152 |
1 files changed, 152 insertions, 0 deletions
diff --git a/lit/lit.cfg b/lit/lit.cfg new file mode 100644 index 0000000000000..3f1a90c7f4fa9 --- /dev/null +++ b/lit/lit.cfg @@ -0,0 +1,152 @@ +# -*- Python -*- + +import os +import platform +import re +import subprocess +import locale + +import lit.formats +import lit.util + +# Configuration file for the 'lit' test runner. + +# name: The name of this test suite. +config.name = 'lldb' + +# testFormat: The test format to use to interpret tests. +# +# For now we require '&&' between commands, until they get globally killed and +# the test runner updated. +execute_external = (platform.system() != 'Windows' + or lit_config.getBashPath() not in [None, ""]) +config.test_format = lit.formats.ShTest(execute_external) + +# suffixes: We only support unit tests +config.suffixes = [] + +# test_source_root: The root path where tests are located. +config.test_source_root = os.path.dirname(__file__) + +# test_exec_root: The root path where tests should be run. +lldb_obj_root = getattr(config, 'lldb_obj_root', None) +if lldb_obj_root is not None: + config.test_exec_root = os.path.join(lldb_obj_root, 'lit') + +# Set llvm_{src,obj}_root for use by others. +config.llvm_src_root = getattr(config, 'llvm_src_root', None) +config.llvm_obj_root = getattr(config, 'llvm_obj_root', None) + +# Tweak the PATH to include the tools dir and the scripts dir. +if lldb_obj_root is not None: + llvm_tools_dir = getattr(config, 'llvm_tools_dir', None) + if not llvm_tools_dir: + lit_config.fatal('No LLVM tools dir set!') + path = os.path.pathsep.join((llvm_tools_dir, config.environment['PATH'])) + path = os.path.pathsep.join((os.path.join(getattr(config, 'llvm_src_root', None),'test','Scripts'),path)) + + config.environment['PATH'] = path + + llvm_libs_dir = getattr(config, 'llvm_libs_dir', None) + if not llvm_libs_dir: + lit_config.fatal('No LLVM libs dir set!') + path = os.path.pathsep.join((llvm_libs_dir, + config.environment.get('LD_LIBRARY_PATH',''))) + config.environment['LD_LIBRARY_PATH'] = path + + # Propagate LLVM_SRC_ROOT into the environment. + config.environment['LLVM_SRC_ROOT'] = getattr(config, 'llvm_src_root', '') + + # Propagate PYTHON_EXECUTABLE into the environment + config.environment['PYTHON_EXECUTABLE'] = getattr(config, 'python_executable', + '') +### + +# Check that the object root is known. +if config.test_exec_root is None: + # Otherwise, we haven't loaded the site specific configuration (the user is + # probably trying to run on a test file directly, and either the site + # configuration hasn't been created by the build system, or we are in an + # out-of-tree build situation). + + # Check for 'lldb_site_config' user parameter, and use that if available. + site_cfg = lit_config.params.get('lldb_site_config', None) + if site_cfg and os.path.exists(site_cfg): + lit_config.load_config(config, site_cfg) + raise SystemExit + + # Try to detect the situation where we are using an out-of-tree build by + # looking for 'llvm-config'. + # + # FIXME: I debated (i.e., wrote and threw away) adding logic to + # automagically generate the lit.site.cfg if we are in some kind of fresh + # build situation. This means knowing how to invoke the build system though, + # and I decided it was too much magic. We should solve this by just having + # the .cfg files generated during the configuration step. + + llvm_config = lit.util.which('llvm-config', config.environment['PATH']) + if not llvm_config: + lit_config.fatal('No site specific configuration available!') + + # Get the source and object roots. + llvm_src_root = lit.util.capture(['llvm-config', '--src-root']).strip() + llvm_obj_root = lit.util.capture(['llvm-config', '--obj-root']).strip() + lldb_src_root = os.path.join(llvm_src_root, "tools", "lldb") + lldb_obj_root = os.path.join(llvm_obj_root, "tools", "lldb") + + # Validate that we got a tree which points to here, using the standard + # tools/lldb layout. + this_src_root = os.path.dirname(config.test_source_root) + if os.path.realpath(lldb_src_root) != os.path.realpath(this_src_root): + lit_config.fatal('No site specific configuration available!') + + # Check that the site specific configuration exists. + site_cfg = os.path.join(lldb_obj_root, 'test', 'lit.site.cfg') + if not os.path.exists(site_cfg): + lit_config.fatal( + 'No site specific configuration available! You may need to ' + 'run "make test" in your lldb build directory.') + + # Okay, that worked. Notify the user of the automagic, and reconfigure. + lit_config.note('using out-of-tree build at %r' % lldb_obj_root) + lit_config.load_config(config, site_cfg) + raise SystemExit + +# Shell execution +if platform.system() not in ['Windows'] or lit_config.getBashPath() != '': + config.available_features.add('shell') + +# Running on Darwin OS +if platform.system() in ['Darwin']: + config.available_features.add('system-linker-mach-o') + +# Running on ELF based *nix +if platform.system() in ['FreeBSD', 'Linux']: + config.available_features.add('system-linker-elf') + +# llvm-config knows whether it is compiled with asserts (and) +# whether we are operating in release/debug mode. +import subprocess +try: + llvm_config_cmd = \ + subprocess.Popen([os.path.join(llvm_tools_dir, 'llvm-config'), + '--build-mode', '--assertion-mode', '--targets-built'], + stdout = subprocess.PIPE) +except OSError as why: + print("Could not find llvm-config in " + llvm_tools_dir) + exit(42) + +llvm_config_output = llvm_config_cmd.stdout.read().decode('utf_8') +llvm_config_output_list = llvm_config_output.split("\n") + +if re.search(r'DEBUG', llvm_config_output_list[0]): + config.available_features.add('debug') +if re.search(r'ON', llvm_config_output_list[1]): + config.available_features.add('asserts') +if re.search(r'ARM', llvm_config_output_list[2]): + config.available_features.add('arm') +if re.search(r'Mips', llvm_config_output_list[2]): + config.available_features.add('mips') +if re.search(r'X86', llvm_config_output_list[2]): + config.available_features.add('x86') +llvm_config_cmd.wait() |