xref: /llvm-project/lldb/test/API/functionalities/module_cache/universal/TestModuleCacheUniversal.py (revision da816ca0cb3b1367fe90b3e6fb73439c93ed80df)
1"""Test the LLDB module cache funcionality for universal mach-o files."""
2
3import glob
4import lldb
5from lldbsuite.test.decorators import *
6from lldbsuite.test.lldbtest import *
7from lldbsuite.test import lldbutil
8import os
9import time
10
11
12class ModuleCacheTestcaseUniversal(TestBase):
13
14    mydir = TestBase.compute_mydir(__file__)
15
16    def setUp(self):
17        # Call super's setUp().
18        TestBase.setUp(self)
19        # Find the line number in a(int) to break at.
20        self.cache_dir = os.path.join(self.getBuildDir(), 'lldb-module-cache')
21        # Set the lldb module cache directory to a directory inside the build
22        # artifacts directory so no other tests are interfered with.
23        self.runCmd('settings set symbols.lldb-index-cache-path "%s"' % (self.cache_dir))
24        self.runCmd('settings set symbols.enable-lldb-index-cache true')
25        self.build()
26
27
28    def get_module_cache_files(self, basename):
29        module_file_glob = os.path.join(self.cache_dir, "llvmcache-*%s*" % (basename))
30        return glob.glob(module_file_glob)
31
32
33    # Doesn't depend on any specific debug information.
34    @no_debug_info_test
35    @skipUnlessDarwin
36    @skipIfDarwinEmbedded # this test file assumes we're targetting an x86 system
37    def test(self):
38        """
39            Test module cache functionality for a universal mach-o files.
40
41            This will test that if we enable the module cache, we can create
42            lldb module caches for each slice of a universal mach-o file and
43            they will each have a unique directory.
44        """
45        exe_basename = "testit"
46        exe = self.getBuildArtifact(exe_basename)
47
48        # Create a module with no depedencies.
49        self.runCmd('target create -d --arch x86_64 %s' % (exe))
50        self.runCmd('image dump symtab %s' % (exe_basename))
51        self.runCmd('target create -d --arch arm64 %s' % (exe))
52        self.runCmd('image dump symtab %s' % (exe_basename))
53
54        cache_files = self.get_module_cache_files(exe_basename)
55
56        self.assertEqual(len(cache_files), 2,
57                "make sure there are two files in the module cache directory (%s) for %s" % (self.cache_dir, exe_basename))
58