xref: /llvm-project/lldb/test/API/functionalities/module_cache/universal/TestModuleCacheUniversal.py (revision 7240436c94bd02762a723a2e3551528d16c8efdb) 
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    def setUp(self):
15        # Call super's setUp().
16        TestBase.setUp(self)
17        # Find the line number in a(int) to break at.
18        self.cache_dir = os.path.join(self.getBuildDir(), 'lldb-module-cache')
19        # Set the lldb module cache directory to a directory inside the build
20        # artifacts directory so no other tests are interfered with.
21        self.runCmd('settings set symbols.lldb-index-cache-path "%s"' % (self.cache_dir))
22        self.runCmd('settings set symbols.enable-lldb-index-cache true')
23
24    def get_module_cache_files(self, basename):
25        module_file_glob = os.path.join(self.cache_dir, "llvmcache-*%s*" % (basename))
26        return glob.glob(module_file_glob)
27
28
29    # Doesn't depend on any specific debug information.
30    @no_debug_info_test
31    def test(self):
32        """
33            Test module cache functionality for a universal mach-o files.
34
35            This will test that if we enable the module cache, we can create
36            lldb module caches for each slice of a universal mach-o file and
37            they will each have a unique directory.
38        """
39        exe_basename = "testit"
40        src_dir = self.getSourceDir()
41        yaml_path = os.path.join(src_dir, "universal.yaml")
42        yaml_base, ext = os.path.splitext(yaml_path)
43        exe = self.getBuildArtifact(exe_basename)
44        self.yaml2obj(yaml_path, exe)
45        self.assertTrue(os.path.exists(exe))
46        # Create a module with no dependencies.
47        self.runCmd('target create -d --arch x86_64 %s' % (exe))
48        self.runCmd('image dump symtab %s' % (exe_basename))
49        self.runCmd('target create -d --arch arm64 %s' % (exe))
50        self.runCmd('image dump symtab %s' % (exe_basename))
51
52        cache_files = self.get_module_cache_files(exe_basename)
53
54        self.assertEqual(len(cache_files), 2,
55                "make sure there are two files in the module cache directory (%s) for %s" % (self.cache_dir, exe_basename))
56