TestUniversal.py revision 7b54cf43d0686af5e4456a46a4d8189fffff8a55 
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 = "macosx/universal"
11
12    def setUp(self):
13        super(UniversalTestCase, self).setUp()
14        # Find the line number to break inside main().
15        self.line = line_number('main.c', '// Set break point at this line.')
16
17    @unittest2.skipUnless(sys.platform.startswith("darwin") and os.uname()[4]=='i386',
18                          "requires Darwin & i386")
19    def test_process_launch_for_universal(self):
20        """Test process launch of a universal binary."""
21
22        # Invoke the default build rule.
23        self.buildDefault()
24
25        # Note that "testit" is a universal binary.
26        exe = os.path.join(os.getcwd(), "testit")
27
28        # By default, x86_64 is assumed if no architecture is specified.
29        self.expect("file " + exe, CURRENT_EXECUTABLE_SET,
30            startstr = "Current executable set to ",
31            substrs = ["testit' (x86_64)."])
32
33        # Break inside the main.
34        self.expect("breakpoint set -f main.c -l %d" % self.line,
35                    BREAKPOINT_CREATED,
36            startstr = "Breakpoint created: 1: file ='main.c', line = %d, locations = 1" %
37                        self.line)
38
39        # We should be able to launch the x86_64 executable.
40        self.runCmd("run", RUN_SUCCEEDED)
41
42        # Check whether we have a 64-bit process launched.
43        target = self.dbg.GetSelectedTarget()
44        process = target.GetProcess()
45        self.assertTrue(target.IsValid() and process.IsValid() and
46                        self.invoke(process, 'GetAddressByteSize') == 8,
47                        "64-bit process launched")
48
49        self.runCmd("continue")
50
51        # Now specify i386 as the architecture for "testit".
52        self.expect("file " + exe + " -a i386", CURRENT_EXECUTABLE_SET,
53            startstr = "Current executable set to ",
54            substrs = ["testit' (i386)."])
55
56        # Break inside the main.
57        self.expect("breakpoint set -f main.c -l %d" % self.line,
58                    BREAKPOINT_CREATED,
59            startstr = "Breakpoint created: 1: file ='main.c', line = %d, locations = 1" %
60                        self.line)
61
62        # We should be able to launch the i386 executable as well.
63        self.runCmd("run", RUN_SUCCEEDED)
64
65        # Check whether we have a 32-bit process launched.
66        target = self.dbg.GetSelectedTarget()
67        process = target.GetProcess()
68        self.assertTrue(target.IsValid() and process.IsValid() and
69                        self.invoke(process, 'GetAddressByteSize') == 4,
70                        "32-bit process launched")
71
72        self.runCmd("continue")
73
74
75if __name__ == '__main__':
76    import atexit
77    lldb.SBDebugger.Initialize()
78    atexit.register(lambda: lldb.SBDebugger.Terminate())
79    unittest2.main()
80