| """ |
| Test the lldb disassemble command on each call frame when stopped on C's ctor. |
| """ |
| |
| import os, time |
| import unittest2 |
| import lldb |
| from lldbtest import * |
| |
| class IterateFrameAndDisassembleTestCase(TestBase): |
| |
| mydir = "class_types" |
| |
| @unittest2.skipUnless(sys.platform.startswith("darwin"), "requires Darwin") |
| def test_with_dsym_and_run_command(self): |
| """Disassemble each call frame when stopped on C's constructor.""" |
| self.buildDsym() |
| self.disassemble_call_stack() |
| |
| def test_with_dwarf_and_run_command(self): |
| """Disassemble each call frame when stopped on C's constructor.""" |
| self.buildDwarf() |
| self.disassemble_call_stack() |
| |
| @unittest2.skipUnless(sys.platform.startswith("darwin"), "requires Darwin") |
| def test_with_dsym_and_python_api(self): |
| """Disassemble each call frame when stopped on C's constructor.""" |
| self.buildDsym() |
| self.disassemble_call_stack_api() |
| |
| def test_with_dwarf_and_python_api(self): |
| """Disassemble each call frame when stopped on C's constructor.""" |
| self.buildDwarf() |
| self.disassemble_call_stack_api() |
| |
| def setUp(self): |
| # Call super's setUp(). |
| TestBase.setUp(self) |
| # Find the line number to break for main.cpp. |
| self.line = line_number('main.cpp', '// Set break point at this line.') |
| |
| def breakOnCtor(self): |
| """Setup/run the program so it stops on C's constructor.""" |
| exe = os.path.join(os.getcwd(), "a.out") |
| self.runCmd("file " + exe, CURRENT_EXECUTABLE_SET) |
| |
| # Break on the ctor function of class C. |
| self.expect("breakpoint set -f main.cpp -l %d" % self.line, |
| BREAKPOINT_CREATED, |
| startstr = "Breakpoint created: 1: file ='main.cpp', line = %d" % |
| self.line) |
| |
| self.runCmd("run", RUN_SUCCEEDED) |
| |
| # The stop reason of the thread should be breakpoint. |
| self.expect("thread list", STOPPED_DUE_TO_BREAKPOINT, |
| substrs = ['state is Stopped', |
| 'stop reason = breakpoint']) |
| |
| # We should be stopped on the ctor function of class C. |
| self.expect("thread backtrace", BACKTRACE_DISPLAYED_CORRECTLY, |
| substrs = ['C::C']) |
| |
| def disassemble_call_stack(self): |
| """Disassemble each call frame when stopped on C's constructor.""" |
| self.breakOnCtor() |
| |
| raw_output = self.res.GetOutput() |
| frameRE = re.compile(r""" |
| ^\s\sframe # heading for the frame info, |
| .* # wildcard, and |
| 0x[0-9a-f]{16} # the frame pc, and |
| \sa.out`(.+) # module`function, and |
| \s\+\s # the rest ' + ....' |
| """, re.VERBOSE) |
| for line in raw_output.split(os.linesep): |
| match = frameRE.search(line) |
| if match: |
| function = match.group(1) |
| #print "line:", line |
| #print "function:", function |
| self.runCmd("disassemble -n '%s'" % function) |
| |
| def disassemble_call_stack_api(self): |
| """Disassemble each call frame when stopped on C's constructor.""" |
| self.breakOnCtor() |
| |
| # Now use the Python API to get at each function on the call stack and |
| # disassemble it. |
| target = self.dbg.GetSelectedTarget() |
| process = target.GetProcess() |
| thread = process.GetThreadAtIndex(0) |
| depth = thread.GetNumFrames() |
| for i in range(depth - 1): |
| frame = thread.GetFrameAtIndex(i) |
| function = frame.GetFunction() |
| self.runCmd("disassemble -n '%s'" % function.GetName()) |
| |
| |
| if __name__ == '__main__': |
| import atexit |
| lldb.SBDebugger.Initialize() |
| atexit.register(lambda: lldb.SBDebugger.Terminate()) |
| unittest2.main() |