1 files changed, 110 insertions, 0 deletions
diff --git a/lld/test/lit.cfg b/lld/test/lit.cfg
new file mode 100644
index 00000000000..8870d71179f
--- /dev/null
+++ b/lld/test/lit.cfg
@@ -0,0 +1,110 @@
+# -*- Python -*-
+
+import os
+import platform
+import re
+import subprocess
+
+
+# Configuration file for the 'lit' test runner.
+
+# name: The name of this test suite.
+config.name = 'lld'
+
+# 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.getBashPath() not in [None, ""])
+config.test_format = lit.formats.ShTest(execute_external)
+
+# suffixes: A list of file extensions to treat as test files.
+config.suffixes = ['.objtxt']
+
+# 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.
+lld_obj_root = getattr(config, 'lld_obj_root', None)
+if lld_obj_root is not None:
+    config.test_exec_root = os.path.join(lld_obj_root, 'test')
+
+# 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 lld_obj_root is not None:
+    llvm_tools_dir = getattr(config, 'llvm_tools_dir', None)
+    if not llvm_tools_dir:
+        lit.fatal('No LLVM tools dir set!')
+    path = os.path.pathsep.join((llvm_tools_dir, config.environment['PATH']))
+    config.environment['PATH'] = path
+
+    llvm_libs_dir = getattr(config, 'llvm_libs_dir', None)
+    if not llvm_libs_dir:
+        lit.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
+
+###
+
+# 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 'lld_site_config' user parameter, and use that if available.
+    site_cfg = lit.params.get('lld_site_config', None)
+    if site_cfg and os.path.exists(site_cfg):
+        lit.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.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()
+    lld_src_root = os.path.join(llvm_src_root, "tools", "lld")
+    lld_obj_root = os.path.join(llvm_obj_root, "tools", "lld")
+
+    # Validate that we got a tree which points to here, using the standard
+    # tools/lld layout.
+    this_src_root = os.path.dirname(config.test_source_root)
+    if os.path.realpath(lld_src_root) != os.path.realpath(this_src_root):
+        lit.fatal('No site specific configuration available!')
+
+    # Check that the site specific configuration exists.
+    site_cfg = os.path.join(lld_obj_root, 'test', 'lit.site.cfg')
+    if not os.path.exists(site_cfg):
+        lit.fatal('No site specific configuration available! You may need to '
+                  'run "make test" in your lld build directory.')
+
+    # Okay, that worked. Notify the user of the automagic, and reconfigure.
+    lit.note('using out-of-tree build at %r' % lld_obj_root)
+    lit.load_config(config, site_cfg)
+    raise SystemExit
+
+# When running under valgrind, we mangle '-vg' onto the end of the triple so we
+# can check it with XFAIL and XTARGET.
+if lit.useValgrind:
+    config.target_triple += '-vg'
+
+# Shell execution
+if platform.system() not in ['Windows'] or lit.getBashPath() != '':
+    config.available_features.add('shell')