TestUniversal.py revision 61eb4f1a4361cc4774016acf66b40cd1d188ba83 
1"""Test aspects of lldb commands on universal binaries."""
2
3import os, time
4import unittest2
5import lldb
6from lldbtest import *
7
8class UniversalTestCase(TestBase):
9
10    mydir = os.path.join("macosx", "universal")
11
12    def setUp(self):
13        # Call super's setUp().
14        TestBase.setUp(self)
15        # Find the line number to break inside main().
16        self.line = line_number('main.c', '// Set break point at this line.')
17
18    @unittest2.expectedFailure
19    # rdar://problem/8689814 test failure: test/macosx/universal (the i386 slice does not break?)
20    @unittest2.skipUnless(sys.platform.startswith("darwin") and os.uname()[4]=='i386',
21                          "requires Darwin & i386")
22    def test_process_launch_for_universal(self):
23        """Test process launch of a universal binary."""
24
25        # Invoke the default build rule.
26        self.buildDefault()
27
28        # Note that "testit" is a universal binary.
29        exe = os.path.join(os.getcwd(), "testit")
30
31        # By default, x86_64 is assumed if no architecture is specified.
32        self.expect("file " + exe, CURRENT_EXECUTABLE_SET,
33            startstr = "Current executable set to ",
34            substrs = ["testit' (x86_64)."])
35
36        # Break inside the main.
37        self.expect("breakpoint set -f main.c -l %d" % self.line,
38                    BREAKPOINT_CREATED,
39            startstr = "Breakpoint created: 1: file ='main.c', line = %d, locations = 1" %
40                        self.line)
41
42        # We should be able to launch the x86_64 executable.
43        self.runCmd("run", RUN_SUCCEEDED)
44
45        # Check whether we have a 64-bit process launched.
46        target = self.dbg.GetSelectedTarget()
47        process = target.GetProcess()
48        self.assertTrue(target.IsValid() and process.IsValid() and
49                        self.invoke(process, 'GetAddressByteSize') == 8,
50                        "64-bit process launched")
51
52        self.runCmd("continue")
53
54        # Now specify i386 as the architecture for "testit".
55        self.expect("file " + exe + " -a i386", CURRENT_EXECUTABLE_SET,
56            startstr = "Current executable set to ",
57            substrs = ["testit' (i386)."])
58
59        # Break inside the main.
60        self.expect("breakpoint set -f main.c -l %d" % self.line,
61                    BREAKPOINT_CREATED,
62            startstr = "Breakpoint created: 1: file ='main.c', line = %d, locations = 1" %
63                        self.line)
64
65        # We should be able to launch the i386 executable as well.
66        self.runCmd("run", RUN_SUCCEEDED)
67
68        # Check whether we have a 32-bit process launched.
69        target = self.dbg.GetSelectedTarget()
70        process = target.GetProcess()
71        self.assertTrue(target.IsValid() and process.IsValid() and
72                        self.invoke(process, 'GetAddressByteSize') == 4,
73                        "32-bit process launched")
74
75        self.runCmd("continue")
76
77
78if __name__ == '__main__':
79    import atexit
80    lldb.SBDebugger.Initialize()
81    atexit.register(lambda: lldb.SBDebugger.Terminate())
82    unittest2.main()
83