forked from OSchip/llvm-project
224 lines
8.5 KiB
Python
224 lines
8.5 KiB
Python
# -*- Python -*-
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import os
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import platform
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import re
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import subprocess
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import locale
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import lit.formats
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import lit.util
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# Configuration file for the 'lit' test runner.
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# name: The name of this test suite.
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config.name = 'lldb'
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# testFormat: The test format to use to interpret tests.
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#
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# For now we require '&&' between commands, until they get globally killed and
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# the test runner updated.
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execute_external = (platform.system() != 'Windows'
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or lit_config.getBashPath() not in [None, ""])
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config.test_format = lit.formats.ShTest(execute_external)
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# suffixes: We only support unit tests
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config.suffixes = []
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# test_source_root: The root path where tests are located.
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config.test_source_root = os.path.dirname(__file__)
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# test_exec_root: The root path where tests should be run.
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lldb_obj_root = getattr(config, 'lldb_obj_root', None)
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if lldb_obj_root is not None:
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config.test_exec_root = os.path.join(lldb_obj_root, 'lit')
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# Set llvm_{src,obj}_root for use by others.
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config.llvm_src_root = getattr(config, 'llvm_src_root', None)
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config.llvm_obj_root = getattr(config, 'llvm_obj_root', None)
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# Tweak the PATH to include the tools dir and the scripts dir.
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if lldb_obj_root is not None:
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lldb_tools_dir = getattr(config, 'lldb_tools_dir', None)
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if not lldb_tools_dir:
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lit_config.fatal('No LLDB tools dir set!')
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llvm_tools_dir = getattr(config, 'llvm_tools_dir', None)
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if not llvm_tools_dir:
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lit_config.fatal('No LLVM tools dir set!')
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path = os.path.pathsep.join((lldb_tools_dir, llvm_tools_dir, config.environment['PATH']))
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path = os.path.pathsep.join((os.path.join(getattr(config, 'llvm_src_root', None),'test','Scripts'),path))
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config.environment['PATH'] = path
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lldb_libs_dir = getattr(config, 'lldb_libs_dir', None)
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if not lldb_libs_dir:
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lit_config.fatal('No LLDB libs dir set!')
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llvm_libs_dir = getattr(config, 'llvm_libs_dir', None)
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if not llvm_libs_dir:
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lit_config.fatal('No LLVM libs dir set!')
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path = os.path.pathsep.join((lldb_libs_dir, llvm_libs_dir,
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config.environment.get('LD_LIBRARY_PATH','')))
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config.environment['LD_LIBRARY_PATH'] = path
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# Propagate LLVM_SRC_ROOT into the environment.
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config.environment['LLVM_SRC_ROOT'] = getattr(config, 'llvm_src_root', '')
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# Propagate PYTHON_EXECUTABLE into the environment
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config.environment['PYTHON_EXECUTABLE'] = getattr(config, 'python_executable',
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'')
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###
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# Check that the object root is known.
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if config.test_exec_root is None:
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# Otherwise, we haven't loaded the site specific configuration (the user is
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# probably trying to run on a test file directly, and either the site
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# configuration hasn't been created by the build system, or we are in an
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# out-of-tree build situation).
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# Check for 'lldb_site_config' user parameter, and use that if available.
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site_cfg = lit_config.params.get('lldb_site_config', None)
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if site_cfg and os.path.exists(site_cfg):
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lit_config.load_config(config, site_cfg)
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raise SystemExit
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# Try to detect the situation where we are using an out-of-tree build by
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# looking for 'llvm-config'.
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#
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# FIXME: I debated (i.e., wrote and threw away) adding logic to
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# automagically generate the lit.site.cfg if we are in some kind of fresh
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# build situation. This means knowing how to invoke the build system though,
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# and I decided it was too much magic. We should solve this by just having
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# the .cfg files generated during the configuration step.
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llvm_config = lit.util.which('llvm-config', config.environment['PATH'])
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if not llvm_config:
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lit_config.fatal('No site specific configuration available!')
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# Get the source and object roots.
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llvm_src_root = subprocess.check_output(['llvm-config', '--src-root']).strip()
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llvm_obj_root = subprocess.check_output(['llvm-config', '--obj-root']).strip()
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lldb_src_root = os.path.join(llvm_src_root, "tools", "lldb")
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lldb_obj_root = os.path.join(llvm_obj_root, "tools", "lldb")
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# Validate that we got a tree which points to here, using the standard
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# tools/lldb layout.
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this_src_root = os.path.dirname(config.test_source_root)
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if os.path.realpath(lldb_src_root) != os.path.realpath(this_src_root):
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lit_config.fatal('No site specific configuration available!')
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# Check that the site specific configuration exists.
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site_cfg = os.path.join(lldb_obj_root, 'test', 'lit.site.cfg')
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if not os.path.exists(site_cfg):
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lit_config.fatal(
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'No site specific configuration available! You may need to '
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'run "make test" in your lldb build directory.')
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# Okay, that worked. Notify the user of the automagic, and reconfigure.
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lit_config.note('using out-of-tree build at %r' % lldb_obj_root)
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lit_config.load_config(config, site_cfg)
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raise SystemExit
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# Register substitutions
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config.substitutions.append(('%python', config.python_executable))
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debugserver = lit.util.which('debugserver', lldb_tools_dir)
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lldb = lit.util.which('lldb', lldb_tools_dir)
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if not os.path.exists(config.cc):
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config.cc = lit.util.which(config.cc, config.environment['PATH'])
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if not os.path.exists(config.cxx):
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config.cxx = lit.util.which(config.cxx, config.environment['PATH'])
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if platform.system() in ['Darwin']:
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try:
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out = subprocess.check_output(['xcrun', '--show-sdk-path']).strip()
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res = 0
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except OSError:
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res = -1
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if res == 0 and out:
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sdk_path = out
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lit_config.note('using SDKROOT: %r' % sdk_path)
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config.cc += " -isysroot %s" % sdk_path
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config.cxx += " -isysroot %s" % sdk_path
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config.substitutions.append(('%cc', config.cc))
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config.substitutions.append(('%cxx', config.cxx))
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config.substitutions.append(('%lldb', lldb))
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if debugserver is not None:
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config.substitutions.append(('%debugserver', debugserver))
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for pattern in [r"\bFileCheck\b",
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r"\| \bnot\b"]:
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tool_match = re.match(r"^(\\)?((\| )?)\W+b([0-9A-Za-z-_]+)\\b\W*$",
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pattern)
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tool_pipe = tool_match.group(2)
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tool_name = tool_match.group(4)
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tool_path = lit.util.which(tool_name, config.llvm_tools_dir)
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if not tool_path:
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# Warn, but still provide a substitution.
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lit_config.note(
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'Did not find ' + tool_name + ' in ' + config.llvm_tools_dir)
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config.substitutions.append((pattern, tool_pipe + tool_path))
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# Shell execution
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if platform.system() not in ['Windows'] or lit_config.getBashPath() != '':
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config.available_features.add('shell')
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# Running on Darwin OS
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if platform.system() in ['Darwin']:
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config.available_features.add('darwin')
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config.available_features.add('system-linker-mach-o')
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# Running on ELF based *nix
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if platform.system() in ['FreeBSD', 'Linux']:
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config.available_features.add('system-linker-elf')
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if platform.system() in ['FreeBSD']:
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config.available_features.add('freebsd')
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else:
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config.available_features.add('linux')
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if platform.system() in ['Windows']:
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config.available_features.add('windows')
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if re.match(r'^arm(hf.*-linux)|(.*-linux-gnuabihf)', config.target_triple):
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config.available_features.add("armhf-linux")
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if re.match(r'icc', config.cc):
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config.available_features.add("compiler-icc")
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elif re.match(r'clang', config.cc):
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config.available_features.add("compiler-clang")
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elif re.match(r'gcc', config.cc):
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config.available_features.add("compiler-gcc")
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elif re.match(r'cl', config.cc):
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config.available_features.add("compiler-msvc")
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# llvm-config knows whether it is compiled with asserts (and)
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# whether we are operating in release/debug mode.
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import subprocess
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try:
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llvm_config_cmd = \
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subprocess.Popen([os.path.join(llvm_tools_dir, 'llvm-config'),
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'--build-mode', '--assertion-mode', '--targets-built'],
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stdout = subprocess.PIPE)
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except OSError as why:
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print("Could not find llvm-config in " + llvm_tools_dir)
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exit(42)
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llvm_config_output = llvm_config_cmd.stdout.read().decode('utf_8')
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llvm_config_output_list = llvm_config_output.split("\n")
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if re.search(r'DEBUG', llvm_config_output_list[0]):
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config.available_features.add('debug')
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if re.search(r'ON', llvm_config_output_list[1]):
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config.available_features.add('asserts')
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if re.search(r'ARM', llvm_config_output_list[2]):
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config.available_features.add('arm')
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if re.search(r'Mips', llvm_config_output_list[2]):
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config.available_features.add('mips')
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if re.search(r'X86', llvm_config_output_list[2]):
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config.available_features.add('x86')
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llvm_config_cmd.wait()
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