llvm-project/lldb/test/foundation/TestFoundationDisassembly.py

134 lines
5.3 KiB
Python

"""
Test the lldb disassemble command on foundation framework.
"""
import os, time
import unittest2
import lldb
from lldbtest import *
@unittest2.skipUnless(sys.platform.startswith("darwin"), "requires Darwin")
class FoundationDisassembleTestCase(TestBase):
mydir = "foundation"
# rdar://problem/8504895
# Crash while doing 'disassemble -n "-[NSNumber descriptionWithLocale:]"
@unittest2.skipIf(TestBase.skipLongRunningTest(), "Skip this long running test")
def test_foundation_disasm(self):
"""Do 'disassemble -n func' on each and every 'Code' symbol entry from the Foundation.framework."""
self.buildDefault()
exe = os.path.join(os.getcwd(), "a.out")
self.runCmd("file " + exe, CURRENT_EXECUTABLE_SET)
self.runCmd("run", RUN_SUCCEEDED)
self.runCmd("image list")
raw_output = self.res.GetOutput()
# Grok the full path to the foundation framework.
for line in raw_output.split(os.linesep):
match = re.search(" (/.*/Foundation.framework/.*)$", line)
if match:
foundation_framework = match.group(1)
break
self.assertTrue(match, "Foundation.framework path located")
self.runCmd("image dump symtab %s" % foundation_framework)
raw_output = self.res.GetOutput()
# Now, grab every 'Code' symbol and feed it into the command:
# 'disassemble -n func'.
#
# The symbol name is on the last column and trails the flag column which
# looks like '0xhhhhhhhh', i.e., 8 hexadecimal digits.
codeRE = re.compile(r"""
\ Code\ {9} # ' Code' followed by 9 SPCs,
.* # the wildcard chars,
0x[0-9a-f]{8} # the flag column, and
\ (.+)$ # finally the function symbol.
""", re.VERBOSE)
for line in raw_output.split(os.linesep):
match = codeRE.search(line)
if match:
func = match.group(1)
#print "line:", line
#print "func:", func
self.runCmd('disassemble -n "%s"' % func)
def test_simple_disasm_with_dsym(self):
"""Test the lldb 'disassemble' command"""
self.buildDsym()
self.do_simple_disasm()
def test_simple_disasm_with_dwarf(self):
"""Test the lldb 'disassemble' command"""
self.buildDwarf()
self.do_simple_disasm()
def do_simple_disasm(self):
"""Do a bunch of simple disassemble commands."""
exe = os.path.join(os.getcwd(), "a.out")
self.runCmd("file " + exe, CURRENT_EXECUTABLE_SET)
# Stop at +[NSString stringWithFormat:].
self.expect("_regexp-break +[NSString stringWithFormat:]", BREAKPOINT_CREATED,
substrs = ["Breakpoint created: 1: name = '+[NSString stringWithFormat:]', locations = 1"])
# Stop at -[MyString initWithNSString:].
self.expect("breakpoint set -n '-[MyString initWithNSString:]'", BREAKPOINT_CREATED,
startstr = "Breakpoint created: 2: name = '-[MyString initWithNSString:]', locations = 1")
# Stop at the "description" selector.
self.expect("breakpoint set -S description", BREAKPOINT_CREATED,
startstr = "Breakpoint created: 3: name = 'description', locations = 1")
# Stop at -[NSAutoreleasePool release].
self.expect("_regexp-break -[NSAutoreleasePool release]", BREAKPOINT_CREATED,
substrs = ["Breakpoint created: 4: name = '-[NSAutoreleasePool release]', locations = 1"])
self.runCmd("run", RUN_SUCCEEDED)
# First stop is +[NSString stringWithFormat:].
self.expect("thread backtrace", "Stop at +[NSString stringWithFormat:]",
substrs = ["Foundation`+[NSString stringWithFormat:]"])
# Do the disassemble for the currently stopped function.
self.runCmd("disassemble -f")
self.runCmd("process continue")
# Skip another breakpoint for +[NSString stringWithFormat:].
self.runCmd("process continue")
# Followed by a.out`-[MyString initWithNSString:].
self.expect("thread backtrace", "Stop at a.out`-[MyString initWithNSString:]",
substrs = ["a.out`-[MyString initWithNSString:]"])
# Do the disassemble for the currently stopped function.
self.runCmd("disassemble -f")
self.runCmd("process continue")
# Followed by -[MyString description].
self.expect("thread backtrace", "Stop at -[MyString description]",
substrs = ["a.out`-[MyString description]"])
# Do the disassemble for the currently stopped function.
self.runCmd("disassemble -f")
self.runCmd("process continue")
# Skip another breakpoint for -[MyString description].
self.runCmd("process continue")
# Followed by -[NSAutoreleasePool release].
self.expect("thread backtrace", "Stop at -[NSAutoreleasePool release]",
substrs = ["Foundation`-[NSAutoreleasePool release]"])
# Do the disassemble for the currently stopped function.
self.runCmd("disassemble -f")
if __name__ == '__main__':
import atexit
lldb.SBDebugger.Initialize()
atexit.register(lambda: lldb.SBDebugger.Terminate())
unittest2.main()