forked from OSchip/llvm-project
134 lines
5.3 KiB
Python
134 lines
5.3 KiB
Python
"""
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Test the lldb disassemble command on foundation framework.
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"""
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import os, time
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import unittest2
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import lldb
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from lldbtest import *
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@unittest2.skipUnless(sys.platform.startswith("darwin"), "requires Darwin")
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class FoundationDisassembleTestCase(TestBase):
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mydir = "foundation"
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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.buildDefault()
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exe = os.path.join(os.getcwd(), "a.out")
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self.runCmd("file " + exe, CURRENT_EXECUTABLE_SET)
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self.runCmd("run", RUN_SUCCEEDED)
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self.runCmd("image list")
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raw_output = self.res.GetOutput()
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# Grok the full path to the foundation framework.
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for line in raw_output.split(os.linesep):
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match = re.search(" (/.*/Foundation.framework/.*)$", line)
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if match:
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foundation_framework = match.group(1)
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break
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self.assertTrue(match, "Foundation.framework path located")
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self.runCmd("image dump symtab %s" % foundation_framework)
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raw_output = self.res.GetOutput()
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# Now, grab every 'Code' symbol and feed it into the command:
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# 'disassemble -n func'.
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#
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# The symbol name is on the last column and trails the flag column which
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# looks like '0xhhhhhhhh', i.e., 8 hexadecimal digits.
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codeRE = re.compile(r"""
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\ Code\ {9} # ' Code' followed by 9 SPCs,
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.* # the wildcard chars,
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0x[0-9a-f]{8} # the flag column, and
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\ (.+)$ # 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_with_dsym(self):
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"""Test the lldb 'disassemble' command"""
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self.buildDsym()
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self.do_simple_disasm()
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def test_simple_disasm_with_dwarf(self):
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"""Test the lldb 'disassemble' command"""
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self.buildDwarf()
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self.do_simple_disasm()
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def do_simple_disasm(self):
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"""Do a bunch of simple disassemble commands."""
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exe = os.path.join(os.getcwd(), "a.out")
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self.runCmd("file " + exe, CURRENT_EXECUTABLE_SET)
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# Stop at +[NSString stringWithFormat:].
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self.expect("_regexp-break +[NSString stringWithFormat:]", BREAKPOINT_CREATED,
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substrs = ["Breakpoint created: 1: name = '+[NSString stringWithFormat:]', locations = 1"])
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# Stop at -[MyString initWithNSString:].
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self.expect("breakpoint set -n '-[MyString initWithNSString:]'", BREAKPOINT_CREATED,
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startstr = "Breakpoint created: 2: name = '-[MyString initWithNSString:]', locations = 1")
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# Stop at the "description" selector.
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self.expect("breakpoint set -S description", BREAKPOINT_CREATED,
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startstr = "Breakpoint created: 3: name = 'description', locations = 1")
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# Stop at -[NSAutoreleasePool release].
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self.expect("_regexp-break -[NSAutoreleasePool release]", BREAKPOINT_CREATED,
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substrs = ["Breakpoint created: 4: name = '-[NSAutoreleasePool release]', 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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if __name__ == '__main__':
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import atexit
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lldb.SBDebugger.Initialize()
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atexit.register(lambda: lldb.SBDebugger.Terminate())
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unittest2.main()
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