TestUniversal.py revision 185e2c103c2af449262046495b3f8d1640794543
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 # rdar://problem/8972204 AddressByteSize of 32-bit process should be 4, got 8 instead. 19 @unittest2.skipUnless(sys.platform.startswith("darwin") and os.uname()[4]=='i386', 20 "requires Darwin & i386") 21 def test_process_launch_for_universal(self): 22 """Test process launch of a universal binary.""" 23 from lldbutil import print_registers 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 frame = process.GetThreadAtIndex(0).GetFrameAtIndex(0) 53 registers = print_registers(frame, string_buffer=True) 54 self.expect(registers, exe=False, 55 substrs = ['Name: rax']) 56 57 self.runCmd("continue") 58 59 # Now specify i386 as the architecture for "testit". 60 self.expect("file " + exe + " -a i386", CURRENT_EXECUTABLE_SET, 61 startstr = "Current executable set to ", 62 substrs = ["testit' (i386)."]) 63 64 # Break inside the main. 65 self.expect("breakpoint set -f main.c -l %d" % self.line, 66 BREAKPOINT_CREATED, 67 startstr = "Breakpoint created: 1: file ='main.c', line = %d, locations = 1" % 68 self.line) 69 70 # We should be able to launch the i386 executable as well. 71 self.runCmd("run", RUN_SUCCEEDED) 72 73 # Check whether we have a 32-bit process launched. 74 target = self.dbg.GetSelectedTarget() 75 process = target.GetProcess() 76 self.assertTrue(target.IsValid() and process.IsValid(), 77 "32-bit process launched") 78 79 pointerSize = self.invoke(process, 'GetAddressByteSize') 80 self.assertTrue(pointerSize == 4, 81 "AddressByteSize of 32-bit process should be 4, got %d instead." % pointerSize) 82 83 frame = process.GetThreadAtIndex(0).GetFrameAtIndex(0) 84 registers = print_registers(frame, string_buffer=True) 85 self.expect(registers, exe=False, 86 substrs = ['Name: eax']) 87 88 self.runCmd("continue") 89 90 91if __name__ == '__main__': 92 import atexit 93 lldb.SBDebugger.Initialize() 94 atexit.register(lambda: lldb.SBDebugger.Terminate()) 95 unittest2.main() 96