135 lines
5.2 KiB
Python
135 lines
5.2 KiB
Python
"""
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Test the lldb disassemble command on foundation framework.
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"""
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from __future__ import print_function
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import unittest2
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import os, time
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import lldb
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from lldbsuite.test.lldbtest import *
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import lldbsuite.test.lldbutil as lldbutil
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@skipUnlessDarwin
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class FoundationDisassembleTestCase(TestBase):
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mydir = TestBase.compute_mydir(__file__)
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# rdar://problem/8504895
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# Crash while doing 'disassemble -n "-[NSNumber descriptionWithLocale:]"
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@unittest2.skipIf(TestBase.skipLongRunningTest(), "Skip this long running test")
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def test_foundation_disasm(self):
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"""Do 'disassemble -n func' on each and every 'Code' symbol entry from the Foundation.framework."""
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self.build()
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# Enable synchronous mode
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self.dbg.SetAsync(False)
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# Create a target by the debugger.
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target = self.dbg.CreateTarget("a.out")
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self.assertTrue(target, VALID_TARGET)
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# Now launch the process, and do not stop at entry point.
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process = target.LaunchSimple (None, None, self.get_process_working_directory())
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self.assertTrue(process, PROCESS_IS_VALID)
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foundation_framework = None
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for module in target.modules:
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print(module)
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if module.file.basename == "Foundation":
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foundation_framework = module.file.fullpath
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break
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self.assertTrue(foundation_framework != None, "Foundation.framework path located")
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self.runCmd("image dump symtab '%s'" % foundation_framework)
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raw_output = self.res.GetOutput()
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# Now, grab every 'Code' symbol and feed it into the command:
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# 'disassemble -n func'.
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#
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# The symbol name is on the last column and trails the flag column which
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# looks like '0xhhhhhhhh', i.e., 8 hexadecimal digits.
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codeRE = re.compile(r"""
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\ Code\ {9} # ' Code' followed by 9 SPCs,
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.* # the wildcard chars,
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0x[0-9a-f]{8} # the flag column, and
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\ (.+)$ # finally the function symbol.
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""", re.VERBOSE)
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for line in raw_output.split(os.linesep):
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match = codeRE.search(line)
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if match:
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func = match.group(1)
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#print("line:", line)
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#print("func:", func)
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self.runCmd('disassemble -n "%s"' % func)
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def test_simple_disasm(self):
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"""Test the lldb 'disassemble' command"""
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self.build()
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# Create a target by the debugger.
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target = self.dbg.CreateTarget("a.out")
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self.assertTrue(target, VALID_TARGET)
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print(target)
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for module in target.modules:
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print(module)
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# Stop at +[NSString stringWithFormat:].
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symbol_name = "+[NSString stringWithFormat:]"
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break_results = lldbutil.run_break_set_command (self, "_regexp-break %s"%(symbol_name))
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lldbutil.check_breakpoint_result (self, break_results, symbol_name=symbol_name, num_locations=1)
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# Stop at -[MyString initWithNSString:].
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lldbutil.run_break_set_by_symbol (self, '-[MyString initWithNSString:]', num_expected_locations=1, sym_exact=True)
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# Stop at the "description" selector.
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lldbutil.run_break_set_by_selector (self, 'description', num_expected_locations=1, module_name='a.out')
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# Stop at -[NSAutoreleasePool release].
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break_results = lldbutil.run_break_set_command (self, "_regexp-break -[NSAutoreleasePool release]")
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lldbutil.check_breakpoint_result (self, break_results, symbol_name='-[NSAutoreleasePool release]', num_locations=1)
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self.runCmd("run", RUN_SUCCEEDED)
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# First stop is +[NSString stringWithFormat:].
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self.expect("thread backtrace", "Stop at +[NSString stringWithFormat:]",
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substrs = ["Foundation`+[NSString stringWithFormat:]"])
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# Do the disassemble for the currently stopped function.
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self.runCmd("disassemble -f")
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self.runCmd("process continue")
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# Skip another breakpoint for +[NSString stringWithFormat:].
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self.runCmd("process continue")
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# Followed by a.out`-[MyString initWithNSString:].
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self.expect("thread backtrace", "Stop at a.out`-[MyString initWithNSString:]",
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substrs = ["a.out`-[MyString initWithNSString:]"])
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# Do the disassemble for the currently stopped function.
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self.runCmd("disassemble -f")
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self.runCmd("process continue")
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# Followed by -[MyString description].
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self.expect("thread backtrace", "Stop at -[MyString description]",
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substrs = ["a.out`-[MyString description]"])
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# Do the disassemble for the currently stopped function.
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self.runCmd("disassemble -f")
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self.runCmd("process continue")
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# Skip another breakpoint for -[MyString description].
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self.runCmd("process continue")
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# Followed by -[NSAutoreleasePool release].
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self.expect("thread backtrace", "Stop at -[NSAutoreleasePool release]",
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substrs = ["Foundation`-[NSAutoreleasePool release]"])
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# Do the disassemble for the currently stopped function.
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self.runCmd("disassemble -f")
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